CN102247681A - Sprinkling fire extinguishing pump system - Google Patents
Sprinkling fire extinguishing pump system Download PDFInfo
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- CN102247681A CN102247681A CN2011100219250A CN201110021925A CN102247681A CN 102247681 A CN102247681 A CN 102247681A CN 2011100219250 A CN2011100219250 A CN 2011100219250A CN 201110021925 A CN201110021925 A CN 201110021925A CN 102247681 A CN102247681 A CN 102247681A
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Abstract
The invention provides a sprinkling fire extinguishing pump system, which comprises a sprinkling fire extinguishing pump (3), a pressure tank (10), a pressure detection unit (8) (28) for detecting the pressure in a water supply pipe (7), and a control device (16) for controlling the operation of the sprinkling fire extinguishing pump. A water supply pressurizing operation region is provided for pressurizing the pressure in the water supply pipe (7) to be higher than a set value when the pressure in the water supply pipe (7) is lowered and a sprinkling operation region is provided for the operation of the sprinkling fire extinguishing pump. The pressure detection unit can detect a pressurizing operation starting pressure (PS2) and a sprinkling operation starting pressure (PS1). The sprinkling fire extinguishing pump is controlled to operate in the water supply pressurizing operation region or the sprinkling operation region by the control device based on the signals of the pressure detection unit.
Description
Technical field
The present invention relates to the fire extinguishing water pumping system of auxiliary force (forcing) pump of dual-purpose and fire extinguishing water pump.
Background technology
The fire extinguishing water pumping system, when fire takes place during the water sprinkler of opening installation in the flow pipe way, must reduce by detect hydraulic pressure by pressure sensing cell, perhaps according to enabled instruction (starting relay) from the outside, and then by artificial running operation etc., make the running and supplying water rapidly of fire extinguishing water pump.
The example of existing fire extinguishing water pumping system is described according to Fig. 5 and Fig. 6.
Fig. 5 is the system diagram of fire extinguishing water pumping system.Among the figure, 1 is water sources such as fire extinguishing tank, and 2 is bottom valve, and 3 is the fire extinguishing water pump that is driven by motor 4, and 7 is flow pipe, and 9a, 9b, 9c are the water sprinkler that is arranged in this flow pipe way.Open this water sprinkler 9a, 9b, 9c during fire, sprinkling water for fire extinguishing such as fire generation place are put out a fire.In addition, these water sprinklers 9a, 9b, 9c possess the switch of output signal S1, S2, S3 when opening, and fire-alarm 17 gives the alarm after receiving above-mentioned signal S1, S2, S3.
16 control panels (control device) for control that above-mentioned fire extinguishing water pump 3 is turned round receive the start command signal S4 from above-mentioned fire-alarm 17.10 are the inner forbay that has air entrapment, is connected with near the above-mentioned flow pipe 7 of the ejection side of above-mentioned fire extinguishing water pump 3,8 for being installed near the above-mentioned flow pipe 7 the ejection side of above-mentioned fire extinguishing water pump 3 and detecting the pressure sensing cell of this place's pressure, from pressure sensing cell 8 signal S5 is sent to above-mentioned control panel 16 when the pressure in the flow pipe 7 is lower than setting when following, the signal S6 that will send the enabled instruction of above-mentioned fire extinguishing water pump 3 from control panel 16 sends to above-mentioned motor 4.In addition, be provided with check-valves 5 and gate valve 6 in the upstream of above-mentioned flow pipe 7 side (fire extinguishing water delivery side of pump side).
13 for possessing the pick trough that water filling unit 14 such as gate valve also inject running water thus, by suction pipe arrangement 11 and 12 pairs of above-mentioned fire extinguishing water pump 3 moisturizings of check-valves, remove the air in the suction line 2a, make the suction side of fire extinguishing water pump 3 always be in full water state, make fire extinguishing water pump 3 can prepare at any time to start.In addition, above-mentioned pick trough 13 possesses water level detecting unit 15, carries out the supervision control of the water level of pick trough thus.
22 for possessing the aqua storage tank that ball valve water filling unit such as (ball tap) 23 also injects running water thus, carries out the supervision control of water level by water level detecting unit 31.20 auxiliary force (forcing) pumps (being also referred to as stabilized pressure pump) for being driven by motor 21 suck the water of above-mentioned aqua storage tank 22 by suction line 24 and gate valve 25, be sent to above-mentioned flow pipe 7 by check-valves 26, gate valve 27 and flow pipe 29, to these flow pipe 7 pressurizations.28 is the pressure sensing cell that is installed in above-mentioned flow pipe 29 and detects the pressure in this flow pipe 29, this pressure sensing cell 28 is set at the pressure higher than above-mentioned pressure sensing cell 8, signal from this pressure sensing cell 28 is sent to control panel 30, by order wire signal S7 is sent to motor 21 from this control panel 30, the startup of carrying out above-mentioned auxiliary force (forcing) pump 20 stops control.
There is the situation that causes hydraulic pressure to reduce because of leaking in above-mentioned flow pipe 7, and above-mentioned pressure sensing cell 8 actions do not have breaking out of fire although exist under this situation, still make the situation of fire extinguishing water pump 3 runnings.
In order to prevent this situation, with the pressure set points of pressure sensing cell 28 set the pressure set points height of specific pressure detecting unit 8, constitute when the hydraulic pressure of flow pipe 7 reduces, at first make above-mentioned auxiliary force (forcing) pump 20 actions.Even small thus leaks, also the pressure in the above-mentioned flow pipe 7 can be remained more than the setting value of above-mentioned pressure sensing cell 8, thereby can prevent the misoperation of above-mentioned fire extinguishing water pump 3.
Fig. 6 represents the example of the service performance figure of fire extinguishing water pump and auxiliary force (forcing) pump, and transverse axis is represented water yield Q, and the longitudinal axis is represented total (pumping) head H.
Curve A is the Q-H performance curve of fire extinguishing water pump 3, and this fire extinguishing water pump 3 satisfies design load O when selecting source power supply (frequency f 0) to turn round down
1(water yield Q0, total (pumping) head HTS's).Curve B is the Q-H performance curve of auxiliary force (forcing) pump 20 equally, satisfies design load O when selecting source power supply (frequency f 0) to turn round down
2(water yield Qmin, total (pumping) head JTS's).
SPON is the starting pressure of above-mentioned fire extinguishing water pump 3, is set at the ON pressure of pressure sensing cell 8.In addition, SPOFF is the recovery pressure of fire extinguishing water pump 3.Equally, JPON is the starting pressure of auxiliary force (forcing) pump 20, and JPOFF is the pressure that stops of auxiliary force (forcing) pump 20, is the pressure that above-mentioned pressure sensing cell 28 is set.
Promptly, the system of flow pipe 7 or flow pipe 29 produces under the situation of leaking, because above-mentioned pressure sensing cell 28 is set at the pressure higher than above-mentioned pressure sensing cell 8, constitute pressure in the flow pipe 7,29 when being lower than JPON, at first before above-mentioned fire extinguishing water pump 3 starts, start auxiliary force (forcing) pump 20, when the pressure in the flow pipe 7,29 surpasses JPOFF, stop.
Wherein, patent documentation 1 has been put down in writing the example of using auxiliary force (forcing) pump as prior art.
In addition, in patent documentation 2, put down in writing following invention: the fire extinguishing water pump is stopped after starting certain hour with timer, and then observe through the pressure state behind the certain hour, differentiation is simple leaking or the discharging water of water sprinkler, only make the continuous running of above-mentioned fire extinguishing water pump under the situation about discharging water of water sprinkler being judged as, thereby do not need auxiliary force (forcing) pump.
Patent documentation 1: TOHKEMY 2009-261671 communique
Patent documentation 2: TOHKEMY 2000-254245 communique
Summary of the invention
In the fire extinguishing water pumping system, there be the situation of leaking under the situation of not breaking out of fire turning round and give the alarm of this fire extinguishing water pump because of flow pipe, may on maintenance and security, cause problem.In order to prevent this situation, the example that auxiliary force (forcing) pump is set that has example shown in Figure 5 and patent documentation 1 record, but in these prior aries, need auxiliary force (forcing) pump, and it need be set send water system and additional electronic devices, have the high problem of equipment manufacturing cost.
In addition, in the example shown in the patent documentation 2, though do not need auxiliary force (forcing) pump, but in order to differentiate simple leaking still is that discharging water of water sprinkler uses timer to differentiate, exist its differentiation to need the time, the problem that begins to postpone for the lasting startup running of fire extinguishing water pump under the situation about discharging water of water sprinkler.When shortening the setting-up time of timer, having false judgment is to leak merely or the increase of the possibility that discharges water of water sprinkler, although be that simple leaking still makes the continuous running of fire extinguishing water pump, breaking out of fire does not give the alarm yet, and can cause the problem on maintenance and the security.
The objective of the invention is to do not need to obtain auxiliary force (forcing) pump and send water system and additional electronic devices, and when water sprinkler discharges water, can start the fire extinguishing water pumping system of fire extinguishing water pump rapidly.
Other purposes of the present invention are to obtain the fire extinguishing water pump when assisting the alternative running of force (forcing) pump, by its demonstration or notice, can not take the security measure and the fire extinguishing water pumping system that solves.
Be characterized as the fire extinguishing water pumping system in order to reach of the present invention first of above-mentioned purpose, it comprises: will pressurize and by flow pipe water sprinkler be sent the fire extinguishing water pump of water from the water at water source, inside have air entrapment, with above-mentioned flow pipe way in the forbay that is connected, detect the pressure sensing cell of the pressure in the above-mentioned flow pipe and the control device that above-mentioned fire extinguishing water pump is turned round and controls based on detection signal from above-mentioned pressure sensing cell.This fire extinguishing water pump possesses the pump performance that can guarantee following two operation range: flow pipe supercharging operation range can be lower than setting value at the pressure in the above-mentioned flow pipe and the time carry out above-mentioned flow pipe internal pressure is pressurised into running more than the setting value; The watering operation range can turn round as the fire extinguishing water pump to the water of this water sprinkler supply requirement when above-mentioned water sprinkler is opened.Above-mentioned pressure sensing cell can detect and be used to make above-mentioned fire extinguishing water pump at the supercharging running starting pressure of flow pipe supercharging operation range startup and the watering running starting pressure that above-mentioned fire extinguishing water pump is turned round in the watering operation range.Above-mentioned control device, detect at above-mentioned pressure sensing cell under the situation of above-mentioned supercharging running starting pressure, above-mentioned fire extinguishing water pump is turned round in flow pipe supercharging operation range, detect at above-mentioned pressure sensing cell under the situation of above-mentioned watering running starting pressure, make above-mentioned fire extinguishing water pump in the running of watering operation range.
Wherein, preferred above-mentioned pressure sensing cell can detect with downforce: supercharging running starting pressure is used to make above-mentioned fire extinguishing water pump to start in flow pipe supercharging operation range; Stop pressure, be used for pressure in above-mentioned flow pipe and be pressurized to and stop supercharging under the above situation of setting value and turn round; Watering running starting pressure is used to make above-mentioned fire extinguishing water pump in the running of watering operation range; Recover pressure, the pressure in the above-mentioned flow pipe in expression watering operation range running beginning back rises to more than the setting.Preferred above-mentioned control device, detect above-mentioned supercharging running starting pressure at above-mentioned pressure sensing cell, make above-mentioned fire extinguishing water pump after the running of flow pipe supercharging operation range, detect when above-mentioned pressure sensing cell under the situation of above-mentioned watering running starting pressure, be controlled to be the running that makes above-mentioned fire extinguishing water pump transfer to the watering operation range, afterwards, even the pressure in the flow pipe rises, above-mentioned pressure sensing cell detects above-mentioned recovery pressure or the above-mentioned pressure that stops, and controls the running that above-mentioned fire extinguishing water pump is also kept the watering operation range.
Of the present invention second is characterized as the fire extinguishing water pumping system, and it comprises: to by flow pipe water sprinkler is sent the fire extinguishing water pump of water from the water pressurization at water source; Inside has air entrapment, with the forbay that is connected in the way of above-mentioned flow pipe; Detect the pressure sensing cell of the pressure in the above-mentioned flow pipe; With the control device that above-mentioned fire extinguishing water pump is turned round and controls based on detection signal from above-mentioned pressure sensing cell.Above-mentioned fire extinguishing water pump possesses the pump performance that can guarantee following two zones: flow pipe supercharging operation range can be lower than setting value at the pressure in the above-mentioned flow pipe and the time carry out above-mentioned flow pipe internal pressure is pressurised into running more than the setting value; The watering operation range can turn round as the fire extinguishing water pump to the water of this water sprinkler supply requirement when above-mentioned water sprinkler is opened.Above-mentioned pressure sensing cell can detect with downforce: supercharging running starting pressure is used to make above-mentioned fire extinguishing water pump to start in flow pipe supercharging operation range; Stop pressure, be used for pressure in above-mentioned flow pipe and be pressurized to and stop supercharging under the above situation of setting value and turn round; Watering running starting pressure is used to make above-mentioned fire extinguishing water pump in the running of watering operation range.Above-mentioned control device, detect at above-mentioned pressure sensing cell under the situation of above-mentioned supercharging running starting pressure, described fire extinguishing water pump is turned round in flow pipe supercharging operation range, detect under the above-mentioned situation that stops pressure at above-mentioned pressure sensing cell, stop the running of above-mentioned flow pipe supercharging operation range.
The of the present invention the 3rd is characterized as the fire extinguishing water pumping system, and it comprises: to from the pressurization of the water at water source and water sprinkler is sent the fire extinguishing water pump of water by flow pipe; Inside has air entrapment, with the forbay that is connected in the way of above-mentioned flow pipe; Detect the pressure sensing cell of the pressure in the above-mentioned flow pipe; Based on from the detection signal of above-mentioned pressure sensing cell to the turn round control device of control of above-mentioned fire extinguishing water pump.Above-mentioned fire extinguishing water pump possesses the pump performance that can guarantee following two zones: flow pipe supercharging operation range can be lower than setting value at the pressure in the above-mentioned flow pipe and the time carry out above-mentioned flow pipe internal pressure is pressurised into running more than the setting value; The watering operation range can turn round as the fire extinguishing water pump to the water of this water sprinkler supply requirement when above-mentioned water sprinkler is opened.Above-mentioned pressure sensing cell can detect with downforce: supercharging running starting pressure is used to make above-mentioned fire extinguishing water pump to start in flow pipe supercharging operation range; Watering running starting pressure is used to make above-mentioned fire extinguishing water pump in the running of watering operation range.Above-mentioned control device detects at above-mentioned pressure sensing cell under the situation of above-mentioned watering running starting pressure, makes above-mentioned fire extinguishing water pump in the running of watering operation range.
Wherein, above-mentioned control device can constitute has microprocessor and storage part, be useful on the program of the running processing of carrying out above-mentioned flow pipe supercharging operation range in this storage portion stores, be used to carry out the program that the running of above-mentioned watering operation range is handled, above-mentioned supercharging running starting pressure and above-mentioned watering running starting pressure, above-mentioned pressure sensing cell detects under the situation of above-mentioned supercharging running starting pressure, output makes the running command signal of above-mentioned fire extinguishing water pump in the running of flow pipe supercharging operation range, above-mentioned pressure sensing cell detects under the situation of above-mentioned watering running starting pressure, and output makes the running command signal of above-mentioned fire extinguishing water pump in the running of watering operation range.
And then, preferably stop pressure and above-mentioned recovery pressure also is stored in above-mentioned storage part with above-mentioned, preferably constitute when above-mentioned pressure sensing cell and detect under the above-mentioned situation that stops pressure the command signal that output stops the running of above-mentioned flow pipe supercharging operation range.
In addition, can make above-mentioned fire extinguishing water pump after the running command signal of flow pipe supercharging operation range running in output, above-mentioned pressure sensing cell detects under the situation of above-mentioned watering running starting pressure, output makes above-mentioned fire extinguishing water pump transfer to the running command signal of the running of watering operation range, afterwards, even being controlled to be the flow pipe internal pressure rises, above-mentioned pressure sensing cell detects above-mentioned recovery pressure or the above-mentioned pressure that stops, and above-mentioned fire extinguishing water pump is still kept the running of watering operation range.
Above-mentioned pressure sensing cell can be made of following pressure sensing cell: the 1st pressure sensing cell is used to detect and is used to make the watering running starting pressure of above-mentioned fire extinguishing water pump in the running of watering operation range; The 2nd pressure sensing cell is used to detect the supercharging running starting pressure that is used to make above-mentioned fire extinguishing water pump to start in flow pipe supercharging operation range.
The pressure that the running that can also make above-mentioned the 1st pressure sensing cell detect expression watering operation range begins in the above-mentioned flow pipe in back rises to the above recovery pressure of setting.In addition, can also make above-mentioned the 2nd pressure sensing cell detect the pressure that stops that the pressure supercharging in the above-mentioned flow pipe stops for being used under the situation more than the setting value that supercharging is turned round.
In addition, above-mentioned pressure sensing cell is constituted by a pressure sensor detect two or more following pressure at least: watering running starting pressure is used to make above-mentioned fire extinguishing water pump in the running of watering operation range; Recover pressure, the pressure that the running of expression watering operation range begins in the above-mentioned flow pipe in back rises to more than the setting; Supercharging running starting pressure is used to make above-mentioned fire extinguishing water pump to start in flow pipe supercharging operation range; Stop pressure, be used for pressure in above-mentioned flow pipe and be pressurized to and stop supercharging under the above situation of setting value and turn round.
Can also constitute at above-mentioned control device setup unit further is set, above-mentioned storage part be stored program that the running that is used for carrying out above-mentioned flow pipe supercharging operation range handles at least, is used to carry out program that the running of above-mentioned watering operation range handles, above-mentioned supercharging running starting pressure, above-mentionedly stops a kind of of pressure, above-mentioned watering running starting pressure and above-mentioned recovery pressure by this setup unit.
In addition, wherein, preferred especially above-mentioned control device possesses by the notice (demonstration, the lamp of monitor lighted, buzzing etc.) accordingly therewith of output in the running of above-mentioned flow pipe supercharging operation range, the corresponding therewith alarm of output shows (demonstration of monitor etc.) and alarm (buzzing and lamp light etc.), the unit of notifying above-mentioned fire extinguishing water pump in which zone to turn round in the running of above-mentioned watering operation range.
And then, possess at above-mentioned control device that to be used for according to the unit that makes above-mentioned fire extinguishing water pump in the running of watering operation range from the running of outside instruction (contact of closing according to outside running instruction etc.) also be effective.
According to the present invention, do not need auxiliary force (forcing) pump and send water system and additional electronic devices, can realize the significantly reduction of cost of equipment, piping system, control system are simplified.In addition, can obtain when water sprinkler discharges water, can promptly start the fire extinguishing water pumping system of fire extinguishing water pump.
And then, possess by output in the running of flow pipe supercharging operation range and notify accordingly therewith, corresponding therewith alarm demonstration of output and alarm in the running of watering operation range, notice fire extinguishing water pump is in the unit of which zone running, when the fire extinguishing water pump is assisted the alternative running of force (forcing) pump, have and easily to discern this point, need not to take measure on the security with regard to soluble effect.
Description of drawings
Fig. 1 is the piping diagram of the embodiment 1 of expression fire extinguishing water pumping system of the present invention.
Fig. 2 is the service performance figure of fire extinguishing water pump shown in Figure 1.
Fig. 3 is the control circuit figure of the example controlled in the expression fire extinguishing water pumping system shown in Figure 1.
Fig. 4 is the control circuit figure of other examples of controlling in the expression fire extinguishing water pumping system shown in Figure 1.
Fig. 5 is the piping diagram of the existing fire extinguishing water pumping system of expression.
Fig. 6 is the fire extinguishing water pump shown in Figure 5 and the service performance figure of auxiliary force (forcing) pump.
Symbol description
1 ... the water source
3 ... the fire extinguishing water pump
4,21 ... drive motor
5,12,26 ... check-valves
7 ... flow pipe
8,28, PS ... pressure sensing cell (pressure sensor) (8: the 1 pressure sensing cells (PS1), 28: the 2 pressure sensing cells (PS2))
9a, 9b, 9c ... water sprinkler
10 ... forbay
11 ... the suction pipe arrangement
13 ... pick trough
14 ... the water filling unit
15 ... the water level detecting unit
16,30 ... control panel
17 ... fire-alarm
20 ... auxiliary force (forcing) pump
35 ... setup unit
36 ... display part
49 ... electrothermal relay (49a ... the test section contact of electrothermal relay)
52 ... coil (electromagnetic contactor) (52a ... the main circuit contact of electromagnetic contactor)
CTL ... control device, CU ... the control substrate
ELB ... RCCB (ELBAL ... the contact of RCCB)
F ... fuse
G, GS ... the contact of closing according to external command
OP ... digital actuator
SS ... running/the shutdown switch of control device
TR ... transformer
Z ... voltage-stabilized power supply.
The specific embodiment
Below, according to Fig. 1~Fig. 4 specific embodiment of the present invention is described.
[embodiment 1]
Fig. 1 is the piping diagram of the embodiment 1 of expression fire extinguishing water pumping system of the present invention, represents identical or suitable part with the part of the additional same-sign of above-mentioned Fig. 5.
In the present embodiment, auxiliary force (forcing) pump 20 shown in Figure 5, drive motor 21, aqua storage tank 22, water filling unit (ball valve) 23, suction line 24, gate valve 25,27, check-valves 26, flow pipe 29, water level detecting unit 31, control panel 30 etc. are not set.In addition, pressure sensing cell 28 shown in Figure 5 is installed in flow pipe 7 as the 2nd pressure sensing cell (PS2), at this flow pipe 7 the 1st pressure sensing cell (PS1) 8 is set also, and above-mentioned the 1st, the 2nd pressure sensing cell 8,28 is mutually near configuration.Other structures and shown in Figure 5 roughly the same, in the present embodiment, the control structure of the structure of fire extinguishing water pump 3, control panel 16 is with shown in Figure 5 different.Below, be described in detail at these.
Fig. 2 is the figure of service performance of the fire extinguishing water pump 3 of explanation present embodiment shown in Figure 1, and transverse axis is represented water yield Q, and the longitudinal axis is represented total (pumping) head H.In addition, the Q-H performance curve of curve A when making fire extinguishing water pump 3 running with source power supply frequency f 0 (fixed speed), the water yield of selecting to satisfy design load O1 is Q0, total (pumping) head is the performance of HTS.In addition, the fire extinguishing water pump 3 of present embodiment uses the fire extinguishing water pump 3 that satisfies simultaneously as the performance of auxiliary force (forcing) pump 20 shown in Figure 5.That is, the fire extinguishing water pump 3 of present embodiment is selected to satisfy the performance of above-mentioned design load O1, and has the pump of the Q-H performance curve with the lift variation that descends of the pressure span that can guarantee fire extinguishing water pump described later and auxiliary force (forcing) pump to the right.Like this, can obtain and the equal pressure of auxiliary force (forcing) pump in low flow volume region, and can obtain pump with the performance of equal pressure of fire extinguishing water pump and flow at rated point, by the shape of suitable selection impeller, generally speaking be to obtain easily.
In above-mentioned Fig. 2, SPON is the starting pressure of above-mentioned fire extinguishing water pump 3 in watering operation range (i.e. the zone of turning round as the fire extinguishing water pump) B startup, is set at the ON pressure of above-mentioned the 1st pressure sensing cell 8.In addition, SPOFF recovers pressure (pressure that the running of expression watering operation range begins in the above-mentioned flow pipe in back rises to the above pressure of setting) for it.
In addition, in Fig. 2, JPON is above-mentioned fire extinguishing water pump 3, and C begins the supercharging running initiation pressure of the supercharging running of flow pipe, is the corresponding pressure of starting pressure with auxiliary force (forcing) pump 20 shown in Figure 5 in the supercharging operation range zone of auxiliary force (forcing) pump running (promptly as).JPOFF is the pressure (the supercharging running stops pressure) that the supercharging running of above-mentioned fire extinguishing water pump 3 is stopped, with auxiliary force (forcing) pump 20 shown in Figure 5 to stop pressure corresponding.Above-mentioned pressure set points is set at above-mentioned the 2nd pressure sensing cell 28.
The performance of the fire extinguishing water pump 3 of above-mentioned supercharging operation range C is selected to satisfy design load O2's (water yield Q0, total (pumping) head JTS).
Like this, the fire extinguishing water pump 3 of present embodiment constitutes, and divides into the running of supercharging operation range C (corresponding to the 2nd pressure sensing cell 28 and setting pressure scope thereof) and the running control of turning round of watering operation range B (corresponding to the 1st pressure sensing cell 8 and setting pressure scope thereof).
Fig. 3 is the control circuit figure of the example controlled in the expression fire extinguishing water pumping system shown in Figure 1.Among the figure, R, S, T are power supply, and ELB is a RCCB, the electric leakage and the short-circuit protection of the main circuit after carrying out.R, S are the control power supply, and 52a is the main circuit contact of electromagnetic contactor, and is closed circuit during coil 52 excitations of electromagnetic contactor, opens a way during demagnetization.49 is electrothermal relay, and its test section contact 49a closes when flowing through overcurrent (overload).BS is the running operation special switch, BSS stops special switch for running, KP is the relay that can mechanically store (in the present embodiment, the example of having represented guard relay, its contact KPa closes when constituting the SET coil magnetization, and its contact KPa opens during the RESET coil magnetization), coil 52 excitations of above-mentioned electromagnetic contactor when its contact KPa closes, its contact 52a closes, 3 entrys into service of fire extinguishing water pump.
PS2 is the contact of the 2nd pressure sensing cell 28, and AUXP is a relay, the excitation when contact of above-mentioned pressure sensing cell PS2 is closed, demagnetization when opening.That is, it is that JPON closes when following that the 2nd pressure sensing cell 28 is set at water pushing pressure at flow pipe 7, for JPOFF opens when above, corresponding with flow pipe supercharging operation range.Coil 52 excitations when the contact AUXPa of relay AUXP closes, the main circuit contact 52a of electromagnetic contactor closes, 3 entrys into service of fire extinguishing water pump.Pressure becomes the above PS2 of JPOFF when opening, and fire extinguishing water pump 3 stops.Like this, the pressure in flow pipe 7 be JPON between the JPOFF, fire extinguishing water pump 3 turns round at flow pipe supercharging operation range C (with reference to Fig. 2).
PS1 is the contact of the 1st pressure sensing cell, and SPX is a relay, the excitation when contact of above-mentioned pressure sensing cell PS1 is closed, demagnetization when opening.That is, it is that SPON closes when following that the 1st pressure sensing cell 8 is set at water pushing pressure at flow pipe 7, for SPOFF opens when above, corresponding with the watering operation range.When the contact SPXc of relay SPX closes, the SET coil magnetization of guard relay KP, its contact KPa closes, and coil 52 excitations are closed the main circuit contact 52a of electromagnetic contactor, fire extinguishing water pump 3 begin the to sprinkle water running B of operation range.In this watering zone running B, even become the pressure more than the SPOFF and under the situation about opening at PS1, the contact KPa of guard relay also keeps closed condition, therefore continues the running of fire extinguishing water pump 3, prevents that fire extinguishing water pump 3 from stopping the structure of fire-fighting operation thereby become.Wherein, want to make under the situation that fire extinguishing water pump 3 forces to stop, constituting and can stop special switch BSS by pressing, make the RESET coil magnetization of guard relay KP, its contact KPa opens and stops.
In addition, in the present embodiment, in above-mentioned supercharging operation range, turn round, turn round in the operation range of still sprinkling water, show with display lamp L1, L2 in order just to understand.Promptly, light by the display lamp L2 that expression is just being turned round with relay AUXP in the supercharging operation range, can represent that the fire extinguishing water pump assisting force (forcing) pump to substitute running, notify the manager not have breaking out of fire, therefore can avoid taking the measure on the security.In addition, in the present embodiment, owing to adopted the structure that clearly to distinguish with the running of watering operation range, therefore can avoid under the situation about in the supercharging operation range, turning round because fire extinguishing water pump action and automatically circulate a notice of Fire Department, fire-alarm is rung.
In addition, by the expression display lamp L1 that turns round in the operation range that sprinkling water being lighted, can represent that water sprinkler 9a~9c is in action with relay SPX.
And then in the present embodiment, because be provided with the pressure sensing cell corresponding with the supercharging operation range and with watering operation range corresponding pressure sensing cell, clearly distinguish supercharging operation range and watering operation range, although can prevent reliably is simple leaking, still make the continuous running of fire extinguishing water pump, do not have breaking out of fire but to give the alarm, cause the problem on maintenance and the security.And, in the present embodiment, because be provided with the pressure sensing cell corresponding with the supercharging operation range and with watering operation range corresponding pressure sensing cell, the effect of fire-fighting operation is promptly carried out in the running that also has the operation range that can promptly begin when fire takes place to sprinkle water.
Wherein, press above-mentioned when stopping special switch BSS, fire extinguishing water pump 3 is stopped, and then, can close contact G according to the outside command signal that turns round, when perhaps pressing running operation special switch BS, make the SET coil magnetization of guard relay KP, its contact KPa is closed, and makes fire extinguishing water pump 3 force running.
In addition, overcurrent by when overload etc. makes electrothermal relay 49 actions close its test section contact 49a, when perhaps making RCCB ELB action close its contact ELBAL, output to alarm display lamp L3, alarm buzzer K or outside terminal (omit diagram herein, use the contact of relay AL etc.).
Fig. 4 is the control circuit figure of other examples of controlling in the expression fire extinguishing water pumping system shown in Figure 1, among the figure, is identical or suitable part with the part of the additional same-sign of Fig. 3, omits explanation.Control loop uses the control substrate with CPU, storage part etc. to constitute in this example.
Among Fig. 4, SS is running/shutdown switch of control device CTL, and TR is a transformer, and CU is the control substrate.Control substrate CU constitutes as follows.
Z is a voltage-stabilized power supply, and the supply from above-mentioned transformer TR reception power supply generates dc source, supplies with above-mentioned control substrate CU.CPU is a microprocessor, and OP is the digital actuator with soft-touch control and display part.M is memory (storage part), have program stored therein and (be used to carry out the program that the running of flow pipe supercharging operation range is handled, the program of handling with the running of the operation range that is used to sprinkle water etc.) and various data, also store pressure parameter JPON, JPOFF, SPON, SPOFF, and then also store detection data of pressure sensing cell (for example pressure sensor) PS etc.Above-mentioned pressure sensing cell PS is installed in flow pipe 7, detects the pressure in the flow pipe, and the 1st and the 2nd pressure sensing cell 8,28 shown in Figure 1 is integrated into a pressure sensing cell.The detected pressure signal of pressure sensing cell PS is read into CPU by terminal board TB4 and input circuit I/O3, is stored in storage part M as the pressure data in the flow pipe 7.
52 is the coil of electromagnetic contactor, same with Fig. 3, when the entry condition of fire extinguishing water pump 3 is set up, and from the terminal O3 output of CPU by output loop I/O1 and terminal board TB1, coil 52 excitations, the contact 52a of electromagnetic contactor closes, and fire extinguishing water pump 3 starts.
SS1 is the pressurization running selector switch that is used for carrying out from external forced ground the supercharging running of flow pipe, SS2 is used for sprinkling water from external forced ground the watering running selector switch of running of operation range, be read into CPU by terminal board TB2 and input circuit I/O2 when pressing above-mentioned switch, be stored in storage part M, fire extinguishing water pump 3 is started.
GS is from outside input enabled instruction (contact of closing under) the situation for example, from the enabled instruction of fire-alarm etc., the running of the operation range of still sprinkling water under the situation that this contact GS closes.
In addition, identical in this control example with the example of Fig. 3, the contact PS1 of the 1st pressure sensing cell 8, the contact PS2 of the 2nd pressure sensing cell 28, the contact (not shown among Fig. 4) of electrothermal relay test section contact 49a, RCCB ELB etc. also are set.
R1 is the supercharging running display lamp of lighting under the situation that fire extinguishing water pump 3 is started, the watering running display lamp of R2 for lighting under the situation that fire extinguishing water pump 3 is started, the alarm buzzer that K1 rings when turning round for the flow pipe supercharging (perhaps external alarm message lead-out terminal), the alarm buzzer (perhaps external alarm message lead-out terminal) that K2 rings when turning round for watering is exported by output loop I/O1 and terminal board TB1 from CPU.
In said structure, this fire extinguishing water pumping system, the test running during usually by initial installation the etc., it is above and keep this pressure that the pressure of flow pipe 7 is pressurised into flow pipe (the supercharging running the stops pressure) JPOFF that keep-ups pressure.From this state, flow pipe 7 produces and leaks, and flow pipe pressure is reduced to flow pipe supercharging running initiation pressure JPON when following, and pressure sensing cell (the 2nd pressure sensing cell 28 or pressure sensor PS) detects this point, CPU is to coil 52 excitations, output signal.Thus, fire extinguishing water pump 3 carries out the running of supercharging operation range with curve A shown in Figure 2 running with the adequate time that 7 pressurizations to flow pipe need, to pressurization in the flow pipe 7, when pressure is that JPOFF stops when above.Afterwards, prepare the supercharging running of flow pipe next time.
In addition, because of fire the water sprinkler 9a~9c in the way that is installed in flow pipe 7 is opened, the pressure of flow pipe 7 is reduced to SPON when following, pressure sensing cell (the 1st pressure sensing cell the 8, the 2nd pressure sensing cell 28, perhaps pressure sensor PS) detects this point, CPU is to coil 52 excitations, output signal.Under this situation, fire extinguishing water pump 3 is also with curve A running shown in Figure 2 (running of watering zone).Wherein, under this situation, detect, make the supercharging running of flow pipe invalid, turn round at once in the watering operation range by the 2nd pressure sensing cell 28 (PS2).
Then, action in the present embodiment is described.
Fire extinguishing water pump 3 will be ejected to flow pipe 7 from the water at water source 1,9a~9c send water to water sprinkler.Forbay 10 inside have air entrapment, keep the pressure in the flow pipe 7.The the 1st and the 2nd pressure sensing cell 8,28 is installed in the flow pipe 7 of ejection side, detects the pressure at this place.In addition, above-mentioned the 1st pressure sensing cell (PS1) 8 corresponding watering operation range are used, the 2nd pressure sensing cell (PS2) 28 corresponding flow pipe supercharging operation range are used.Wherein, as mentioned above, also can be also used as the 1st and the 2nd pressure sensing cell 8,28 with a pressure sensor PS.
Control device CTL shown in Figure 4, when above-mentioned the 2nd pressure sensing cell 28 detects starting pressure (supercharging running initiation pressure) JPON, above-mentioned fire extinguishing water pump 3 is sent the command signal of running the supercharging operation range of beginning flow pipe 7 from above-mentioned control device, output stops the command signal of above-mentioned supercharging running when detecting the supercharging running and stop pressure JPOFF.
In addition, when above-mentioned control device CTL detects starting pressure SPON at above-mentioned the 1st pressure sensing cell 8, from control device to above-mentioned fire extinguishing water pump 3 outputs begin the to sprinkle water command signal of running of operation range.
In addition, initial the 2nd pressure sensing cell 28 detects starting pressure JPON, after the running command signal of control device to fire extinguishing water pump 3 output supercharging operation range, also detect under the situation of starting pressure SPON from the 1st pressure sensing cell 8, transfer to the command signal of watering operation range from above-mentioned control device output from the supercharging operation range.
Afterwards, even the pressure in the flow pipe 7 rise, the 1st pressure sensing cell 8 detects and recovers pressure SPOFF, perhaps so that the 2nd pressure sensing cell 28 detect under the situation that stops pressure JPOFF, do not stop fire extinguishing water pump 3 yet, keep the running in the watering operation range.
In addition, in control device CTL shown in Figure 4, have microprocessor CPU and storage part M, at this storage part M, store program that the running that is used to carry out flow pipe supercharging operation range handles and starting pressure JPON that should the zone and stop the parameter of pressure JPOFF and program that the running of the operation range that is used to sprinkle water is handled and starting pressure SPON that should the zone and recover the parameter etc. of pressure SPOFF.Can also use such control device, be also used as the above-mentioned the 1st and the 2nd pressure sensing cell 8,28 by a pressure sensor PS.Above-mentioned suitably the selection as required used.The action of the situation of using pressure sensor PS dual-purpose then, is described.
Constitute under this situation, when above-mentioned control device reads the signal of the starting pressure JPON that detects flow pipe supercharging running from above-mentioned pressure sensing cell (pressure sensor) PS, running command signal to above-mentioned fire extinguishing water pump 3 output flow pipe supercharging operation range detects output running stop signal when stopping pressure JPOFF.
The operation range of above-mentioned fire extinguishing water pump 3 is divided into flow pipe supercharging operation range and watering operation range, according to the running command signal startup of above-mentioned flow pipe supercharging operation range, in supercharging operation range running shown in Figure 2.In addition, stop the running of flow pipe supercharging operation range according to above-mentioned running stop signal.
In addition, when above-mentioned control device CTL reads the signal of the starting pressure JPON that detects the watering operation range from above-mentioned pressure sensing cell PS, to the running command signal of above-mentioned fire extinguishing water pump 3 output watering operation range, 3 beginnings of fire extinguishing water pump are in the running of watering operation range.Wherein, under the situation of supercharging operation range running, output is transferred to the command signal of watering operation range to fire extinguishing water pump 3.
After this watering operation range entry into service, even the pressure in the flow pipe 7 rises, above-mentioned pressure sensing cell detects and recovers pressure SPOFF, perhaps detect flow pipe (supercharging running the stop pressure) JPOFF that keep-ups pressure, do not stop fire extinguishing water pump 3 yet, keep the running in the watering operation range.
As shown in Figure 4, at above-mentioned control device CTL, digital actuator OP is set, setup unit 35 and the display part (monitor) 36 that is made of soft-touch control etc. is set at this digital actuator OP, at above-mentioned storage part M, store flow pipe supercharging operation range that above-mentioned setup unit 35 sets and handle the starting pressure in (running program) and this zone and stop starting pressure parameter etc. in parameter, watering operation range processing (running program) and this zone of pressure.
In addition, in the running in flow pipe supercharging operation range and the watering operation range, above-mentioned display part 36 its corresponding running demonstrations of output and alarm are shown, and then distinguish the alarm output (display lamp and buzzer etc.) of above-mentioned operation range.Which according to above-mentioned demonstration and alarm output, can notify in the mode of zone running can distinguish fire extinguishing water pump 3.
Wherein, the explanation of above-mentioned action is the example explanation with control device shown in Figure 4, also can carry out identical action in the example of control device shown in Figure 3.In the example of Fig. 3 because do not possess digital actuator OP shown in Figure 4, can't show in the running demonstration and the alarm of the enterprising line display operating condition of monitor, but can carry out alarm output by display lamp and buzzer etc., notice fire extinguishing water pump 3 is in which zone running.
In addition, wherein, entry condition as the fire extinguishing water pump 3 in the watering operation range, setting is except the signal from the 1st pressure sensing cell 8 and pressure sensing cell PS, also (for example instruct according to running from the outside, during the contact (G shown in Figure 3 and GS shown in Figure 4) that the enabled instruction from fire-alarm etc.) starts, can be when fire takes place etc. make 3 actions of fire extinguishing water pump rapidly, reliably.In the example of control device shown in Figure 3,, can be used in the relay SPX excitation of fire extinguishing water pump 3 in the entry into service of watering operation range by the contact G that closes according to outside running instruction being set in parallel with the 1st pressure sensing cell PS1.In the example of control device shown in Figure 4, also can be by the contact GS that closes according to outside running instruction is set, by terminal board TB2, input circuit I/O2 outside running instruction is read microprocessor CPU, pass through output loop I/O1, terminal board TB1 from here to relay 52 excitations, make 3 beginnings of fire extinguishing water pump in the running of watering operation range.
According to above-mentioned present embodiment, because the fire extinguishing water pump can be also used as auxiliary force (forcing) pump, do not need auxiliary force (forcing) pump, it send water system and additional electronic devices thereof etc.Thereby, can realize the reduction of cost of equipment, acquisition makes the fire extinguishing water pumping system of the cheapness of piping system, control system simplification.
In addition, according to present embodiment, because possess the pressure sensing cell that detects supercharging running starting pressure and watering running initiation pressure, detect at this pressure sensing cell under the situation of watering running starting pressure above-mentioned fire extinguishing water pump output is used for running command signal in the running of watering operation range, make the fire extinguishing water pump startup, have and the fire extinguishing water pump can be also used as auxiliary force (forcing) pump, and promptly start the effect of fire extinguishing water pump when discharging water by water sprinkler when fire takes place etc.
And then, by the corresponding therewith notice of output in the running of flow pipe supercharging operation range (demonstration, the lamp of monitor lighted, buzzing etc.), the corresponding therewith alarm of output shows (demonstration of monitor etc.) and alarm (buzzing and lamp light etc.) in the running of watering operation range, can notify the fire extinguishing water pump in which zone running, when the fire extinguishing water pump is assisted the alternative running of force (forcing) pump, have and easily to discern, need not to take measure on the security with regard to soluble effect.
Claims (14)
1. fire extinguishing water pumping system, comprise from the pressurization of the water at water source and water sprinkler is sent the fire extinguishing water pump of water by flow pipe, inside have air entrapment, with the way of described flow pipe in the forbay that is connected, detect the pressure sensing cell of the pressure in the described flow pipe, with based on from the detection signal of described pressure sensing cell to the turn round control device of control of described fire extinguishing water pump, it is characterized in that:
Described fire extinguishing water pump possesses the pump performance that can guarantee following operation range: flow pipe supercharging operation range can be lower than setting value at the pressure in the described flow pipe and the time carry out described flow pipe internal pressure is forced into running more than the setting value; With the watering operation range, can when opening, described water sprinkler supply with the water of requirement to this water sprinkler, as the running of fire extinguishing water pump,
Described pressure sensing cell can detect with downforce: supercharging running starting pressure is used to make described fire extinguishing water pump to start in flow pipe supercharging operation range; With watering running starting pressure, be used to make described fire extinguishing water pump in the running of watering operation range,
Described control device, detect at described pressure sensing cell under the situation of described supercharging running starting pressure, described fire extinguishing water pump is turned round in flow pipe supercharging operation range, detect at described pressure sensing cell under the situation of described watering running starting pressure, make described fire extinguishing water pump in the running of watering operation range.
2. fire extinguishing water pumping system, comprise from the pressurization of the water at water source and water sprinkler is sent the fire extinguishing water pump of water by flow pipe, inside have air entrapment, with the way of described flow pipe in the forbay that is connected, detect the pressure sensing cell of the pressure in the described flow pipe, with based on from the detection signal of described pressure sensing cell to the turn round control device of control of described fire extinguishing water pump, it is characterized in that:
Described fire extinguishing water pump possesses the pump performance that can guarantee following operation range: flow pipe supercharging operation range can be lower than setting value at the pressure in the described flow pipe and the time carry out described flow pipe internal pressure is forced into running more than the setting value; With the watering operation range, can when opening, described water sprinkler supply with the water of requirement to this water sprinkler, as the running of fire extinguishing water pump,
Described pressure sensing cell can detect with downforce: supercharging running starting pressure is used to make described fire extinguishing water pump to start in flow pipe supercharging operation range; Stop pressure, be used for pressure in described flow pipe and be pressurized to and stop supercharging under the above situation of setting value and turn round; With watering running starting pressure, be used to make described fire extinguishing water pump in the running of watering operation range,
Described control device, detect at described pressure sensing cell under the situation of described supercharging running starting pressure, described fire extinguishing water pump is turned round in flow pipe supercharging operation range, detect under the described situation that stops pressure at described pressure sensing cell, stop the running of described flow pipe supercharging operation range.
3. fire extinguishing water pumping system, comprise from the pressurization of the water at water source and water sprinkler is sent the fire extinguishing water pump of water by flow pipe, inside have air entrapment, with the way of described flow pipe in the forbay that is connected, detect the pressure sensing cell of the pressure in the described flow pipe, with based on from the detection signal of described pressure sensing cell to the turn round control device of control of described fire extinguishing water pump, it is characterized in that:
Described fire extinguishing water pump possesses the pump performance that can guarantee following operation range: flow pipe supercharging operation range can be lower than setting value at the pressure in the described flow pipe and the time carry out described flow pipe internal pressure is forced into running more than the setting value; With the watering operation range, can when opening, described water sprinkler supply with the water of requirement to this water sprinkler, as the running of fire extinguishing water pump,
Described pressure sensing cell can detect with downforce: supercharging running starting pressure is used to make described fire extinguishing water pump to start in flow pipe supercharging operation range; With watering running starting pressure, be used to make described fire extinguishing water pump in the running of watering operation range,
Described control device detects at described pressure sensing cell under the situation of described watering running starting pressure, makes described fire extinguishing water pump in the running of watering operation range.
4. fire extinguishing water pumping system as claimed in claim 1 is characterized in that:
Described pressure sensing cell can detect with downforce: supercharging running starting pressure is used to make described fire extinguishing water pump to start in flow pipe supercharging operation range; Stop pressure, be used for pressure in described flow pipe and be pressurized to and stop supercharging under the above situation of setting value and turn round; Watering running starting pressure is used to make described fire extinguishing water pump in the running of watering operation range; With recovery pressure, the pressure that the running of expression watering operation range begins in the described flow pipe in back rises to more than the setting,
Described control device, detect described supercharging running starting pressure at described pressure sensing cell, make described fire extinguishing water pump after the running of flow pipe supercharging operation range, described pressure sensing cell detects under the situation of described watering running starting pressure, control, so that described fire extinguishing water pump is transferred to the running of watering operation range, afterwards, even the flow pipe internal pressure rises, described pressure sensing cell detects described recovery pressure or the described pressure that stops, and described fire extinguishing water pump is also kept the running of watering operation range.
5. as any described fire extinguishing water pumping system of claim 1~4, it is characterized in that:
Described control device has microprocessor and storage part, be useful on the program of the running processing of carrying out described flow pipe supercharging operation range in this storage portion stores, be used to carry out the program that the running of described watering operation range is handled, described supercharging running starting pressure and described watering running starting pressure, detect at described pressure sensing cell under the situation of described supercharging running starting pressure, output is used to make the running command signal of described fire extinguishing water pump in the running of flow pipe supercharging operation range, detect at described pressure sensing cell under the situation of described watering running starting pressure, output is used to make the running command signal of described fire extinguishing water pump in the running of watering operation range.
6. fire extinguishing water pumping system as claimed in claim 2 is characterized in that:
Described control device has microprocessor and storage part, be useful on the program of the running processing of carrying out described flow pipe supercharging operation range in this storage portion stores, be used to carry out the program that the running of described watering operation range is handled, described supercharging running starting pressure, described pressure and the described watering running starting pressure of stopping, detect at described pressure sensing cell under the situation of described supercharging running starting pressure, output is used to make the running command signal of described fire extinguishing water pump in the running of flow pipe supercharging operation range, detect under the described situation that stops pressure at described pressure sensing cell, output is used to stop the command signal of the running of described flow pipe supercharging operation range.
7. fire extinguishing water pumping system as claimed in claim 4 is characterized in that:
Described control device has microprocessor and storage part, be useful on the program of the running processing of carrying out described flow pipe supercharging operation range in this storage portion stores, be used to carry out the program that the running of described watering operation range is handled, described supercharging running starting pressure, the described pressure that stops, described watering running starting pressure and described recovery pressure, detect at described pressure sensing cell under the situation of described supercharging running starting pressure, output is used to make the running command signal of described fire extinguishing water pump in the running of flow pipe supercharging operation range, afterwards, detect at described pressure sensing cell under the situation of described watering running starting pressure, output is used to make described fire extinguishing water pump to be transferred to the running command signal of the running of watering operation range, and then after this, even the flow pipe internal pressure rises, described pressure sensing cell detects described recovery pressure or the described pressure that stops, and described fire extinguishing water pump also is controlled as the running of keeping the watering operation range.
8. as any described fire extinguishing water pumping system of claim 1~5, it is characterized in that:
Described pressure sensing cell comprises: the 1st pressure sensing cell is used to detect and is used to make the watering running starting pressure of described fire extinguishing water pump in the running of watering operation range; With the 2nd pressure sensing cell, be used to detect the supercharging running starting pressure that is used to make described fire extinguishing water pump to start in flow pipe supercharging operation range.
9. as claim 2 or 6 described fire extinguishing water pumping systems, it is characterized in that:
Described pressure sensing cell comprises: the 1st pressure sensing cell is used to detect and is used to make the watering running starting pressure of described fire extinguishing water pump in the running of watering operation range; With the 2nd pressure sensing cell, be used to detect and be used to make described fire extinguishing water pump at supercharging running starting pressure that flow pipe supercharging operation range starts and be used for pressure in described flow pipe and be pressurized to and stop the pressure that stops that supercharging turns round under the above situation of setting value.
10. as claim 4 or 7 described fire extinguishing water pumping systems, it is characterized in that:
Described pressure sensing cell comprises: the 1st pressure sensing cell is used to detect and is used to make described fire extinguishing water pump to begin pressure in the described flow pipe in back in the running of the watering running starting pressure of watering operation range running and expression watering operation range to rise to recovery pressure more than the setting; With the 2nd pressure sensing cell, be used to detect and be used to make described fire extinguishing water pump at supercharging running starting pressure that flow pipe supercharging operation range starts and be used for pressure in described flow pipe and be pressurized to and stop the pressure that stops that supercharging turns round under the above situation of setting value.
11. any described fire extinguishing water pumping system as claim 1~7 is characterized in that:
Described pressure sensing cell detects with the two or more pressure in the downforce at least by a pressure sensor: watering running starting pressure is used to make described fire extinguishing water pump in the running of watering operation range; Recover pressure, the pressure that the running of expression watering operation range begins in the described flow pipe in back rises to more than the setting; Supercharging running starting pressure is used to make described fire extinguishing water pump to start in flow pipe supercharging operation range; With stop pressure, be used for pressure in described flow pipe and be pressurized to and stop supercharging under the above situation of setting value and turn round.
12. any described fire extinguishing water pumping system as claim 5~7 is characterized in that:
Described control device also has setup unit, by this setup unit described storage portion stores is used for carrying out program that the running of described flow pipe supercharging operation range handles, is used to carry out program that the running of described watering operation range handles, described supercharging running starting pressure, describedly stops at least a of pressure, described watering running starting pressure and described recovery pressure.
13. any described fire extinguishing water pumping system as claim 1~12 is characterized in that:
Described control device possesses by the running corresponding notice of output in the running of described flow pipe supercharging operation range with described flow pipe supercharging operation range, the unit of described fire extinguishing water pump in which zone running notified in output alarm demonstration and the alarm corresponding with the running of described watering operation range in the running of described watering operation range thus.
14. any described fire extinguishing water pumping system as claim 1~13 is characterized in that:
Described control device possesses and is used for according to make the unit of described fire extinguishing water pump in the running of watering operation range from the running of outside instruction.
Applications Claiming Priority (2)
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JP2010114381A JP2011239930A (en) | 2010-05-18 | 2010-05-18 | Sprinkler fire-extinguishing pump system |
JP2010-114381 | 2010-05-18 |
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CN2011100219250A Pending CN102247681A (en) | 2010-05-18 | 2011-01-14 | Sprinkling fire extinguishing pump system |
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CN102772862B (en) * | 2012-08-23 | 2014-07-30 | 河南海力特机电制造有限公司 | High-pressure thin water mist fire extinguishing apparatus for kitchens |
KR101792336B1 (en) | 2015-08-06 | 2017-11-01 | 김대기 | A Dust Collector Having Fire Prevention Function |
CN115581880B (en) * | 2022-11-10 | 2023-04-21 | 重庆消防安全技术研究服务有限责任公司 | Portable mobile low-rise fire rescue device |
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CN1135185A (en) * | 1993-11-12 | 1996-11-06 | 戈兰·桑德霍姆 | Method for pressurizing fire-fighting hydraulic accumulator |
JPH1057518A (en) * | 1996-08-27 | 1998-03-03 | Nohmi Bosai Ltd | Fire extinguishing-sprinkler |
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JP2002291932A (en) * | 2001-03-30 | 2002-10-08 | Nohmi Bosai Ltd | Sprinkler fire extinguishing facilities |
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CN1754589A (en) * | 1994-04-14 | 2006-04-05 | 迈瑞沃夫有限公司 | Method for mixing and supplying liquid-gas for fire fighting installation |
JP2010179016A (en) * | 2009-02-09 | 2010-08-19 | Nohmi Bosai Ltd | Pre-activated fire fighting system |
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- 2010-05-18 JP JP2010114381A patent/JP2011239930A/en not_active Withdrawn
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CN1135185A (en) * | 1993-11-12 | 1996-11-06 | 戈兰·桑德霍姆 | Method for pressurizing fire-fighting hydraulic accumulator |
CN1754589A (en) * | 1994-04-14 | 2006-04-05 | 迈瑞沃夫有限公司 | Method for mixing and supplying liquid-gas for fire fighting installation |
JPH1057518A (en) * | 1996-08-27 | 1998-03-03 | Nohmi Bosai Ltd | Fire extinguishing-sprinkler |
JP2000254245A (en) * | 1999-03-11 | 2000-09-19 | Matsuoka Kayoko | Automatic aqueous fire extinguishing facility |
JP2002291932A (en) * | 2001-03-30 | 2002-10-08 | Nohmi Bosai Ltd | Sprinkler fire extinguishing facilities |
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