CN206092591U - Oil tank temperature control system - Google Patents
Oil tank temperature control system Download PDFInfo
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- CN206092591U CN206092591U CN201621147163.3U CN201621147163U CN206092591U CN 206092591 U CN206092591 U CN 206092591U CN 201621147163 U CN201621147163 U CN 201621147163U CN 206092591 U CN206092591 U CN 206092591U
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- fluid port
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- 239000003921 oil Substances 0.000 claims abstract description 80
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 49
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 239000002828 fuel tank Substances 0.000 claims description 70
- 239000012530 fluid Substances 0.000 claims description 57
- 239000007788 liquid Substances 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 230000002159 abnormal effect Effects 0.000 description 14
- 238000001816 cooling Methods 0.000 description 4
- 238000003763 carbonization Methods 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
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- Fluid-Pressure Circuits (AREA)
Abstract
The utility model relates to a hydraulic pressure field discloses an oil tank temperature control system, and this oil tank temperature control system is including having oil tank (10) of oil -out (P) and oil return opening (T), oil -out (P) through the temperature control oil circuit that has first hydraulic pump (22) and first switching control valve (21) connect in oil return opening (T), be provided with on oil tank (10) and be used for control first switching control valve (21) and temperature controller (11) of first hydraulic pump (22), first switching control valve (21) can switch between first state and second state, so that flow through the hydraulic oil warp of first hydraulic pump (22) first overflow valve (23) overflow heating or warp cooler (24) heat dissipation to the best operating temperature that temperature remained throughout at hydraulic oil in the oil tank 10 has been realized making.
Description
Technical field
This utility model is related to Hydraulic Field, in particular it relates to a kind of fuel tank control for controlling Hydraulic Station tank temperature
Warm system.
Background technology
Hydraulic Station is widely used in all trades and professions as important power source, and its working media for adopting is mainly liquid
Force feed, the operating temperature of hydraulic oil is optimal with 25～55 DEG C.Therefore, Hydraulic Station would generally arrange electricity in hydraulic oil tank and add
Hot pin is heated to hydraulic oil.But, as hydraulic oil does not flow in fuel tank, it is difficult to equably heated, and it is easy
Analysis of hydraulic oil overheat around electrically heated rod is caused, and then makes hydraulic oil oxidation, carbonization, the carbonization dregs of fat are formed in electrically heated rod
Layer.These carbonized oil slag blankets easily come off, and hydraulic oil and hydraulic system are polluted, or even cause hydraulic fault.
On the other hand, when summer high temperature, hydraulic oil long-time is in high temperature, only drives by hydraulic system and is radiated,
Hydraulic oil cannot be made to be reliably fitted in optimum working temperature.And, when hydraulic system quits work, the radiating of hydraulic oil is also therewith
Stop, the demand of stable radiating cannot be met at all.
Utility model content
The purpose of this utility model is to provide a kind of fuel tank temperature-controlling system, and the fuel tank temperature-controlling system can make the liquid in fuel tank
The temperature of force feed is uniform, and remains at the optimum working temperature of hydraulic oil.
To achieve these goals, this utility model provides a kind of fuel tank temperature-controlling system, and the fuel tank temperature-controlling system includes
Fuel tank with oil-out and oil return opening, the oil-out is by the temperature control with the first hydraulic pump and the first switching control valve
Liquefaction road is connected to the oil return opening, is provided with for controlling first switching control valve and first liquid on the fuel tank
The temperature controller of press pump, first switching control valve include the first hydraulic fluid port, the second hydraulic fluid port and the 3rd hydraulic fluid port, the oil-out
It is connected with first hydraulic fluid port by first hydraulic pump, second hydraulic fluid port is connected to the oil return by the first overflow valve
Mouthful, the 3rd hydraulic fluid port is connected to the oil return opening by cooler, wherein, first switching control valve can be in the first shape
Switch between state and the second state, in the first state of first switching control valve, first hydraulic fluid port is oily with described second
Mouthful connection so that flow through the first overflow valve overflow heating described in the hydraulic oil Jing of first hydraulic pump, and first hydraulic fluid port with
3rd hydraulic fluid port ends；In the second state of first switching control valve, first hydraulic fluid port is ended with second hydraulic fluid port, and
First hydraulic fluid port is connected with the 3rd hydraulic fluid port so that flowing through cooler radiating described in the hydraulic oil Jing of first hydraulic pump.
Preferably, first switching control valve is two position, three-way electromagnetic change valve.
Preferably, first hydraulic pump is low pressure and mass flow pump.
Preferably, what the fuel tank temperature-controlling system included being connected to the oil return opening and the temperature control oil circuit returns hydraulic fluid port
Between the oil return circuit with filter element.
Preferably, the filter element includes filter and first check valve in parallel with the filter, on the filter
It is provided with plugged filter detector.
Preferably, the fuel tank temperature-controlling system includes the oil-in for being connected to the oil-out and the temperature control oil circuit
Between the oil-feed oil circuit with stop valve.
Preferably, the fuel tank temperature-controlling system also includes the auxiliary temperature being connected between the oil-out and the oil return opening
Degree oil circuit control, wherein, the auxiliary temperature oil circuit control includes：Second hydraulic pump, second hydraulic pump be connected to it is described go out
Hydraulic fluid port；Second switching control valve and fan motor, second switching control valve and fan motor are connected in second liquid in parallel
Between press pump and the oil return opening, second switching control valve can be switched between the first state and a second state and be used for
The fan motor of cooler radiating is connected in parallel between the oil-out and the oil return opening of second hydraulic pump,
The first state of second switching control valve, the oil-out of second hydraulic pump is by the second switching control valve hydraulic pressure
It is conducted to the oil return opening；In the second state of second switching control valve, second switching control valve prevents described the
The oil-out hydraulic pressure of two hydraulic pumps is conducted to the oil return opening, so that the oil-out of second hydraulic pump passes through the fan horse
The oil return opening is conducted to up to hydraulic pressure.
Preferably, second hydraulic pump is high-pressure low-flow pump.
Preferably, second switching control valve is two-position two-way electromagnetic directional valve.
Preferably, the second overflow is connected between the oil-in of the oil-out and the fan motor of second hydraulic pump
Valve；And/or, the second check valve is also associated between the oil-in and oil-out of the fan motor, second check valve is reverse
It is in parallel with the fan motor.By above-mentioned technical proposal, on the one hand hydraulic oil can be carried out uniformly using the first overflow valve
Ground heating, being not in that local temperature is too high causes hydraulic pressure deterioration of oil, on the other hand hydraulic oil can also be entered using cooler
Row cooling, even when main hydraulic system does not work, it is also possible to radiated, so that the temperature in fuel tank is maintained at most
Good operating temperature.
Other features and advantages of the utility model will be described in detail in subsequent specific embodiment part.
Description of the drawings
Accompanying drawing is further understood to of the present utility model for providing, and constitutes a part for description, and following
Specific embodiment be used for together explaining this utility model, but do not constitute to restriction of the present utility model.In the accompanying drawings：
Fig. 1 is a kind of specific embodiment of fuel tank temperature-controlling system described in the utility model.
Description of reference numerals
10 fuel tank, 11 temperature controller
21 first switching control valves
21a the first hydraulic fluid port the second hydraulic fluid ports of 21b
The 3rd hydraulic fluid ports of 21c
22 first hydraulic pump, 23 first overflow valve
24 coolers
31 second switching control valves
21a the first hydraulic fluid port the second hydraulic fluid ports of 21b
The 3rd hydraulic fluid ports of 21c
32 second hydraulic pump, 33 fan motor
34 second check valve, 35 choke valve
36 second overflow valves
P oil-out T oil return openings
P1 oil-in T1 return hydraulic fluid port
41 filter, 42 plugged filter detector
43 first check valves
50 stop valves
Specific embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.It should be appreciated that herein
Described specific embodiment is merely to illustrate and explains this utility model, is not limited to this utility model.
In this utility model, in the case where contrary explanation is not made, the noun of locality for using such as " upper and lower, left and right " is generally
Refer to the upper and lower, left and right shown in refer to the attached drawing；" inside and outside " is referred to relative to the inside and outside of each part profile of itself.
As shown in figure 1, this utility model provides a kind of fuel tank temperature-controlling system, the fuel tank temperature-controlling system is included with fuel-displaced
The fuel tank 10 of mouth P and oil return inlet T, the oil-out P is by the temperature with the first hydraulic pump 22 and the first switching control valve 21
Oil circuit control is connected to the oil return inlet T, is provided with for controlling the first switching control valve 21 and the first hydraulic pump on fuel tank 10
22 temperature controller 11；First switching control valve 21 includes the first hydraulic fluid port 21a, the second hydraulic fluid port 21b and the 3rd hydraulic fluid port 21c, goes out
Hydraulic fluid port P is connected with the first hydraulic fluid port 21a by the first hydraulic pump 22, and the second hydraulic fluid port 21b is connected to oil return by the first overflow valve 23
Mouth T, the 3rd hydraulic fluid port 21c are connected to oil return inlet T by cooler 24.
As the first switching control valve 21 can switch between the first state and a second state.That is, when the first switching control
In first state, the first hydraulic fluid port 21a is connected so that flowing through the hydraulic oil of the first hydraulic pump 22 valve processed 21 with the second hydraulic fluid port 21b
First overflow valve, 23 overflow heating described in Jing, and the first hydraulic fluid port 21a and the 3rd hydraulic fluid port 21c cut-offs, so that tank temperature is obtained
To raise.When the first switching control valve 21 is in the second state, the first hydraulic fluid port 21a and the second hydraulic fluid port 21b cut-offs, and the first hydraulic fluid port
21a is connected with the 3rd hydraulic fluid port 21c so that the hydraulic oil Jing coolers 24 for flowing through the first hydraulic pump 22 radiate, so that fuel tank
Temperature be minimized.
Fuel tank temperature-controlling system described in the utility model, on the one hand can carry out adding to hydraulic oil using the first overflow valve 23
Heat, it is thus possible to be uniformly heated up hydraulic oil, being not in that local temperature is too high causes hydraulic pressure deterioration of oil.Specifically, overflow
During stream, the relatively low hydraulic oil of temperature enters overflow valve, and Jing after overflow, hydraulic energy transfer is heat energy, after hydraulic oil is heated
Flow back to fuel tank 10.In the process, state of the hydraulic oil in constantly flowing, therefore be not in fluid superheating phenomenon, so as to
It is prevented from oxidation, the carbonization of hydraulic oil.On the other hand due to having the cooler 24 being connected on fuel tank 10, can be to flowing through
The hydraulic oil of the cooler 24 is lowered the temperature, even when main hydraulic system does not work, it is also possible to can be with this utility model
Fuel tank temperature-controlling system, the temperature of the hydraulic oil that reliably can control to flow through fuel tank 10 makes the temperature in fuel tank 10 protect all the time
Hold in optimum working zone, meet the supply requirement to main hydraulic system at any time.
Additionally, it is preferred that the two ends of cooler 24 are parallel with the 3rd check valve 25, and when 24 both sides pressure reduction of cooler is excessive, liquid
Force feed is back in fuel tank 10 by the 3rd check valve 25.
Specifically, temperature controller 11 is used for the temperature for detecting fuel tank 10, is provided with abnormal low in the temperature controller 11
Temperature, low temperature operational temperature, operational temperature, high temperature operational temperature and abnormal high temperature temperature.The temperature can be according to hydraulic oil
Species specifically arrange, for example by abnormal low temperature temperature setting be 5 DEG C, low temperature operational temperature is set to 10 DEG C, operational temperature sets
It is set to 40 DEG C, to be set to 60 DEG C and abnormal high temperature temperature setting be 70 DEG C to high temperature operational temperature.
Using fuel tank temperature-controlling system described in the utility model, the first switching control valve 21 can be made according to the temperature of fuel tank
Switch between the first state and a second state, no matter fuel tank 10 is in low temperature operational temperature or high temperature operational temperature, equal energy
Enough by temperature control oil circuit by temperature adjustment to operational temperature, so as to reliably ensure the operation of hydraulic system.
Further, since abnormal low temperature temperature and abnormal high temperature temperature are preset with temperature controller 11, when tank temperature it is low
In abnormal low temperature temperature or higher than abnormal high temperature temperature, the temperature controller 11 can lock hydraulic system, so as to reliably keep away
Exempt from hydraulic system startup, be passed in main hydraulic system so as to be effectively prevented the too low or too high hydraulic oil of temperature, and it is right
Infringement or even accident occurs that whole equipment is caused.
Further, the oil return pipe being communicated in oil return inlet T in this utility model is preferably mounted at main hydraulic system suction
Near oil pipe, so that the suitable hydraulic oil of temperature is entered in hydraulic system, the flowline being communicated on oil-out P is arranged as far as possible
Apart from oil return pipe farthest, to ensure the abundant circulation of hydraulic oil in fuel tank temperature-controlling system.
Used as a kind of specific embodiment of the present utility model, the first switching control valve 21 is two position three way directional control valve, its
Can reversal valve can for manually, electrically, surge or electro-hydraulic dynamic, preferably two-position two-way electromagnetic directional valve such that it is able to easily
Ground is coordinated with temperature controller 11, and temperature control oil circuit is switched over.Further, in order that the first overflow valve 23 can be more efficient
Play the heat effect to hydraulic oil, preferably the first hydraulic pump 22 is low pressure and mass flow pump, so that passing through the first overflow
The flow of pressurized that valve 23 carries out overflow is larger so that the hydraulic energy of more hydraulic oil is changed into heat energy, further improves overflow and adds
The efficiency of heat.
Additionally, it is preferred that fuel tank temperature-controlling system includes being connected to the returning between hydraulic fluid port T1 of oil return inlet T and temperature control oil circuit
Oil return circuit with filter element such that it is able to hydraulic oil memory in fuel tank temperature-controlling system is filtered, to ensure into main liquid
The cleannes of the hydraulic oil in compressed-oil system.
Used as a kind of preferred implementation, filter element includes filter 41 and first check valve in parallel with filter 41
43, plugged filter detector 42 is provided with the filter 41 such that it is able to when filter 41 is blocked, send alarm with logical
Know that maintenance or relevant staff carry out repair and maintenance to filter, for example, change filter element etc..In addition, when filter 41 is blocked sternly
Arrive pressure again to open after pressure more than check valve 43, hydraulic oil is back in fuel tank 10 by the first check valve 43.
On the basis of above-mentioned technical proposal, fuel tank temperature-controlling system includes being connected to oil-out P and temperature control oil circuit
The oil-feed oil circuit with stop valve 50 between oil inlet P 1 such that it is able in predetermined state, for instance in abnormal low temperature temperature
Or during abnormal high temperature temperature, prevent hydraulic oil too high or too low for temperature from damaging fuel tank temperature-controlling system.
In addition, in order to be lowered the temperature, in the fan that is disposed about of cooler 24, and can be directly driven by motor 60.For
Control realized more efficiently, preferably the fuel tank temperature-controlling system also includes being connected to auxiliary between oil-out P and oil return inlet T
Temperature control oil circuit is helped, wherein, the auxiliary temperature oil circuit control includes：It is connected to second hydraulic pump 32, second of oil-out P
Switching control valve 31 and fan motor 33.Specifically, the second switching control valve 31 and fan motor 33 are connected in the second liquid in parallel
Between press pump 32 and oil return inlet T such that it is able to switch the second switching control valve 31 between the first state and a second state and use
It is connected in parallel between the oil-out and oil return inlet T of the second hydraulic pump 32 in the fan motor 33 radiated to cooler 24,
The first state of two switching control valves 31, the oil-out of the second hydraulic pump 32 is by 31 hydraulic pressure of the second switching control valve conducting (oil
Mouth 31a is connected with hydraulic fluid port 31b) to oil return inlet T；In the second state of the second switching control valve 31, the second switching control valve 31 hinders
Only the oil-out hydraulic pressure of the second hydraulic pump 32 is conducted to oil return inlet T, so that the oil-out of the second hydraulic pump 32 passes through fan motor
33 hydraulic pressure are conducted to oil return inlet T, and then fan is rotated so as to radiate to cooler 24 by driving the fan motor 33.
It is preferred that the second hydraulic pump 32 is high-pressure low-flow pump such that it is able to keep higher row pressure, effectively drive fan
Motor 33.The high-pressure low-flow pump can be various for plunger displacement pump etc..
As the first switching control valve 21, second switching control valve 31 is preferably two-position two-way electromagnetic directional valve, from
And easily can coordinate with temperature controller 11, temperature control oil circuit is switched over.
On the basis of above-mentioned technical proposal, connect between the oil-in of the oil-out and fan motor 33 of the second hydraulic pump 32
It is connected to the second overflow valve 36；And/or, the second check valve 34 is also associated between the oil-in and oil-out of fan motor 33.Should
Second overflow valve 36 is acted on for safeguard protection, when auxiliary temperature oil circuit control normal work, valve closing.Only load super
Overflow is opened during the limit (system pressure exceedes set pressure) for crossing regulation, overload protection is carried out, system pressure is not further added by.
Second check valve 34 is reversely in parallel with fan motor 33, by the second check valve 34 times when fan motor has reverse hydraulic oil
Stream, so as to protect to 33 type of fan motor.
With reference to Fig. 1, successively explanation when tank temperature in abnormal low temperature temperature, low temperature operational temperature, operational temperature,
When high temperature operational temperature and abnormal high temperature temperature, the mistake of temperature adjusting is carried out using fuel tank temperature-controlling system described in the utility model
Journey.
When temperature controller 11 detects fuel tank 10 in abnormal low temperature temperature, alarm device can be controlled and reported
It is alert, notify that associative operation personnel are processed, for example, exclude low temperature reason.In addition, the temperature controller 11 can also be simultaneously right
Main hydraulic system and/or this fuel tank temperature-controlling system are locked, and prevent hydraulic system from starting, to prevent temperature too low or mistake
High hydraulic oil is passed in main hydraulic system, and the infringement that causes to whole equipment or even accident occurs.
When temperature controller 11 detect fuel tank 10 in low temperature operational temperature when, can control alarm device carry out it is pre-
It is alert, notify that associative operation personnel are paid close attention to, take measures in time, prevent fuel tank 10 from entering into abnormal low temperature temperature and cannot open
It is dynamic.Now, temperature controller 11 can：Controlled motor 60 starts and drives the first hydraulic pump 22 and the second hydraulic pump 32 to operate；
The second switching control valve 31 is made to be at first state (energization), so that the hydraulic oil that the second hydraulic pump 32 is discharged is not passed through wind
Fan motor 33, through 41 oil sump tank 10 of filter；Meanwhile, the first switching control valve 21 is made in first state (energization), so that the
The hydraulic oil that one hydraulic pump 22 is discharged flows through the first overflow valve 23, can fuel tank 10 through filter 41.Now, at fuel tank temperature-controlling system
The first overflow valve 23 is flowed through in heating mode, i.e. hydraulic oil, the hydraulic energy of hydraulic oil is changed into heat energy, so as to define to hydraulic pressure
The heating of oil.
When temperature controller 11 detects fuel tank 10 in operational temperature, can 60 power-off of controlled motor, and make first
Hydraulic pump 22 and the second hydraulic pump 32 shut down, and make 31 power-off of the first switching control valve 21 and the second switching control valve.
When temperature controller 11 detects fuel tank 10 in high temperature operational temperature, temperature controller 11 can：Control electricity
Machine 60 starts and drives the first hydraulic pump 22 and the second hydraulic pump 32 to operate；The second switching control valve 31 is made to be at the second shape
State (power-off), so that the hydraulic oil that the second hydraulic pump 32 is discharged flows through fan motor 33 to drive fan to rotate, and through filter
41 oil sump tanks 10；Meanwhile, the first switching control valve 21 is made in the second state (power-off), so that the liquid that the first hydraulic pump 22 is discharged
Force feed flows through cooler 24, can fuel tank 10 through filter 41.Now, fuel tank temperature-controlling system is in radiating mode, i.e. hydraulic oil stream
During Jing coolers 24, air cooling is carried out by the fan that fan motor 33 drives.The above-mentioned measures of hydraulic oil Jing carry out drop heat, when fuel tank 10
Temperature when dropping back to operational temperature, temperature controller 11 can 60 power-off of controlled motor, and make the first hydraulic pump 22 and second
Hydraulic pump 32 shuts down, and makes 31 power-off of the first switching control valve 21 and the second switching control valve.I.e. cooling system stops fortune
OK.
So, the overflow heating that can be utilized in fuel tank temperature-controlling system described in the utility model can make the liquid of whole fuel tank
Force feed is effectively and uniformly heated during circulation, and by the cooling system of independent arrangement, radiating is being led
Can also carry out when hydraulic system does not work, it is achieved thereby that making temperature in fuel tank 10 remain at the best effort of hydraulic oil
Temperature.
Preferred implementation of the present utility model is described in detail above in association with accompanying drawing, but, this utility model is not limited
Detail in above-mentioned embodiment, in range of the technology design of the present utility model, can be to skill of the present utility model
Art scheme carries out various simple variants, and these simple variants belong to protection domain of the present utility model.
It is further to note that each particular technique feature described in above-mentioned specific embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, this utility model is to each
Plant possible compound mode no longer separately to illustrate.
Additionally, combination in any between a variety of embodiments of the present utility model, can also be carried out, as long as which is not disobeyed
Thought of the present utility model is carried on the back, which should equally be considered as content disclosed in the utility model.
Claims (10)
1. fuel tank temperature-controlling system, the fuel tank temperature-controlling system include the fuel tank (10) with oil-out (P) and oil return opening (T), its
It is characterised by,
The oil-out (P) is by the connection of the temperature control oil circuit with the first hydraulic pump (22) and the first switching control valve (21)
It is provided with the oil return opening (T), the fuel tank (10) for controlling first switching control valve (21) and described first
The temperature controller (11) of hydraulic pump (22),
First switching control valve (21) includes the first hydraulic fluid port (21a), the second hydraulic fluid port (21b) and the 3rd hydraulic fluid port (21c), described
Oil-out (P) is connected with first hydraulic fluid port (21a) by first hydraulic pump (22), and second hydraulic fluid port (21b) passes through
First overflow valve (23) is connected to the oil return opening (T), and the 3rd hydraulic fluid port (21c) is connected to described returning by cooler (24)
Hydraulic fluid port (T), wherein,
First switching control valve (21) can switch between the first state and a second state, in first switching control
The first state of valve (21), first hydraulic fluid port (21a) are connected with second hydraulic fluid port (21b) so that flowing through first liquid
First overflow valve (23) overflow heating described in the hydraulic oil Jing of press pump (22), and first hydraulic fluid port (21a) and the 3rd hydraulic fluid port (21c)
Cut-off；In the second state of first switching control valve (21), first hydraulic fluid port (21a) and second hydraulic fluid port (21b)
Cut-off, and first hydraulic fluid port connected with the 3rd hydraulic fluid port so that flowing through cold described in the hydraulic oil Jing of first hydraulic pump (22)
But device (24) radiating.
2. fuel tank temperature-controlling system according to claim 1, it is characterised in that first switching control valve (21) is two
Three-way solenoid valve.
3. fuel tank temperature-controlling system according to claim 1, it is characterised in that first hydraulic pump (22) is the big stream of low pressure
Amount pump.
4. fuel tank temperature-controlling system according to claim 1, it is characterised in that the fuel tank temperature-controlling system includes being connected to institute
State the oil return circuit with filter element returned between hydraulic fluid port (T1) of oil return opening (T) and the temperature control oil circuit.
5. fuel tank temperature-controlling system according to claim 4, it is characterised in that the filter element include filter (41) and with
The filter (41) the first check valve (43) in parallel, is provided with plugged filter detector (42) on the filter (41).
6. fuel tank temperature-controlling system according to claim 1, it is characterised in that the fuel tank temperature-controlling system includes being connected to institute
State the oil-feed oil circuit with stop valve (50) between oil-out (P) and the oil-in (P1) of the temperature control oil circuit.
7. the fuel tank temperature-controlling system according to any one in claim 1-6, it is characterised in that the fuel tank temperature-controlling system
Also include the auxiliary temperature oil circuit control being connected between the oil-out (P) and the oil return opening (T), wherein,
The auxiliary temperature oil circuit control includes：
Second hydraulic pump (32), second hydraulic pump (32) are connected to the oil-out (P)；
Second switching control valve (31) and fan motor (33), second switching control valve (31) and fan motor (33) are in parallel even
It is connected between second hydraulic pump (32) and the oil return opening (T),
Second switching control valve (31) can be switched between the first state and a second state and for the cooler
(24) fan motor (33) for radiating be connected in parallel on second hydraulic pump (32) oil-out and the oil return opening (T) it
Between, in the first state of second switching control valve (31), the oil-out of second hydraulic pump (32) passes through described second
Switching control valve (31) hydraulic pressure is conducted to the oil return opening (T)；It is in the second state of second switching control valve (31), described
Second switching control valve (31) prevents the oil-out hydraulic pressure of second hydraulic pump (32) from being conducted to the oil return opening (T), so that
The oil-out of second hydraulic pump (32) is conducted to the oil return opening (T) by the fan motor (33) hydraulic pressure.
8. fuel tank temperature-controlling system according to claim 7, it is characterised in that second hydraulic pump (32) is high pressure rill
Amount pump.
9. fuel tank temperature-controlling system according to claim 7, it is characterised in that second switching control valve (31) is two
Two electric change valves.
10. fuel tank temperature-controlling system according to claim 7, it is characterised in that the oil-out of second hydraulic pump (32)
The second overflow valve (36) is connected with and the oil-in of the fan motor (33) between；And/or, fan motor (33) are entered
The second check valve (34) is also associated between hydraulic fluid port and oil-out, second check valve (34) reversely with the fan motor (33)
It is in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621147163.3U CN206092591U (en) | 2016-10-21 | 2016-10-21 | Oil tank temperature control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621147163.3U CN206092591U (en) | 2016-10-21 | 2016-10-21 | Oil tank temperature control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206092591U true CN206092591U (en) | 2017-04-12 |
Family
ID=58484626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621147163.3U Active CN206092591U (en) | 2016-10-21 | 2016-10-21 | Oil tank temperature control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206092591U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355435A (en) * | 2017-08-28 | 2017-11-17 | 福建龙马环卫装备股份有限公司 | A kind of refuse compaction equipment double-power hydraulic pumping plant system |
| CN107420383A (en) * | 2017-06-01 | 2017-12-01 | 武汉船用机械有限责任公司 | A kind of system and method for controlling hydraulic fluid temperature |
| CN108591147A (en) * | 2018-04-09 | 2018-09-28 | 广西柳工机械股份有限公司 | Quarry tipper constant pressure determines variable delivery hydraulic system |
| CN110067789A (en) * | 2019-04-19 | 2019-07-30 | 中国石油天然气集团有限公司 | A kind of coiled tubing unit hydraulic system automatic temperature control |
| CN112943723A (en) * | 2021-03-25 | 2021-06-11 | 浙江志高机械股份有限公司 | Hydraulic intelligent self-heating system and self-heating method |
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2016
- 2016-10-21 CN CN201621147163.3U patent/CN206092591U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420383A (en) * | 2017-06-01 | 2017-12-01 | 武汉船用机械有限责任公司 | A kind of system and method for controlling hydraulic fluid temperature |
| CN107355435A (en) * | 2017-08-28 | 2017-11-17 | 福建龙马环卫装备股份有限公司 | A kind of refuse compaction equipment double-power hydraulic pumping plant system |
| CN108591147A (en) * | 2018-04-09 | 2018-09-28 | 广西柳工机械股份有限公司 | Quarry tipper constant pressure determines variable delivery hydraulic system |
| CN110067789A (en) * | 2019-04-19 | 2019-07-30 | 中国石油天然气集团有限公司 | A kind of coiled tubing unit hydraulic system automatic temperature control |
| CN112943723A (en) * | 2021-03-25 | 2021-06-11 | 浙江志高机械股份有限公司 | Hydraulic intelligent self-heating system and self-heating method |
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Address after: 100011 Shenhua building, 22 West Binhe Road, Dongcheng District, Beijing Patentee after: China Shenhua Energy Co.,Ltd. Patentee after: Guoneng Huanghua Port Co.,Ltd. Address before: 100011 Shenhua building, 22 West Binhe Road, Dongcheng District, Beijing Patentee before: China Shenhua Energy Co.,Ltd. Patentee before: SHENHUA HUANGHUA PORT Co.,Ltd. |