CN210806343U - Static adjusting power cabinet - Google Patents

Abstract

The utility model relates to a static power cabinet, which comprises a cabinet body and a debugging control system, wherein the debugging control system comprises a plurality of primary components connected on a high-voltage loop and a plurality of secondary components connected on a low-voltage loop, the internal space of the cabinet body is divided into an upper chamber and a lower chamber by a transverse clapboard, the upper chamber is divided into a front upper compartment and a rear upper compartment by a first longitudinal clapboard, the lower chamber is divided into a front lower compartment and a rear lower compartment by a second longitudinal clapboard, wherein the plurality of secondary components are disposed in the front upper compartment, the plurality of primary components are disposed in the rear upper compartment, the front lower compartment, and the rear lower compartment, wherein the plurality of primary components include a circuit breaker individually disposed in the rear upper compartment, and the cabinet body is provided with a heat dissipation structure at a portion corresponding to the rear upper compartment. Through above-mentioned technical scheme, the static power cabinet that this disclosure provided has higher security.

Description

Static adjusting power cabinet

Technical Field

The disclosure relates to the technical field of power cabinets, in particular to a static power cabinet.

Background

The rail transit vehicle needs to be statically debugged after being overhauled and before being put into use. In the related art, in order to avoid damage to a power grid caused by short circuit of a vehicle, a static debugging power cabinet is generally used for static debugging of a rail transit vehicle. When the vehicle is statically debugged, the static debugging power cabinet obtains a DC1500V/750V power supply and an AC220V power supply from the outside, and the auxiliary power supply device of the rail transit vehicle is debugged through a debugging control system of the static debugging power cabinet.

In the prior art, a circuit breaker in a static regulation power supply cabinet is positioned in a primary component chamber, a discrete hot hole is far away, and when the circuit breaker has a large-current tripping fault, a large amount of heat can be released to peripheral arc spraying to influence an isolating switch or a contactor which is positioned in the primary component chamber, so that the accident range is enlarged.

SUMMERY OF THE UTILITY MODEL

An object of the present disclosure is to provide a static power source cabinet having high safety.

In order to achieve the above object, the present disclosure provides a static power cabinet, which includes a cabinet body and a debugging control system, the debugging control system comprises a plurality of primary components connected to the high-voltage loop and a plurality of secondary components connected to the low-voltage loop, the internal space of the cabinet body is divided into an upper chamber and a lower chamber by a transverse clapboard, the upper chamber is divided into a front upper compartment and a rear upper compartment by a first longitudinal clapboard, the lower chamber is divided into a front lower compartment and a rear lower compartment by a second longitudinal clapboard, wherein the plurality of secondary components are disposed in the front upper compartment, the plurality of primary components are disposed in the rear upper compartment, the front lower compartment, and the rear lower compartment, wherein the plurality of primary components include a circuit breaker individually disposed in the rear upper compartment, and the cabinet body is provided with a heat dissipation structure at a portion corresponding to the rear upper compartment.

Optionally, the heat dissipation structure is disposed on a top plate of the cabinet body and is configured as a plurality of heat dissipation holes.

Optionally, an upper chamber door and a lower chamber door are arranged on the front side of the cabinet body, the upper chamber door is used for opening and closing the upper front compartment, and the lower chamber door is used for opening and closing the lower front compartment.

Optionally, the cabinet body structure is the cuboid structure, including roof, bottom plate, left side board, right side board and posterior lateral plate, in roof, bottom plate, left side board, right side board and the posterior lateral plate adjacent both edges bend and rivet, the left edge of last room door pass through the hinge articulate in the left side board, or, the right edge of last room door pass through the hinge articulate in the right side board, the left edge of lower room door pass through the hinge articulate in the left side board, or, the right edge of lower room door pass through the hinge articulate in the right side board.

Optionally, a plurality of components and parts are including being used for the inlet wire copper bar, earth-leakage protector, isolator, fuse, contactor and the current detection device be connected with external power source and be used for with output cable connection's anodal copper bar and negative pole copper bar, a plurality of quadratic elements include relay and programmable logic controller, the earth-leakage protector isolator the circuit breaker the fuse with current detection device all with programmable logic controller communication connection, the inlet wire copper bar the earth-leakage protector isolator with the negative pole copper bar sets up in the compartment under in the front, the fuse the contactor current detection device with the anodal copper bar sets up in the compartment under the back.

Optionally, the earth leakage protector the isolator the circuit breaker connects gradually on the main road of high-voltage circuit, high-voltage circuit includes a plurality of branch circuits that the circuit breaker rear is parallelly connected, and every branch circuit all is provided with and connects gradually the fuse contactor the current detection device with anodal copper bar, every anodal copper bar is suitable for connecting output cable all the way.

Optionally, each fuse is provided with a signal auxiliary switch, and the signal auxiliary switch is in communication connection with the programmable logic controller.

Optionally, the upper chamber door is provided with a plurality of groups including a separating brake button, a closing button and a separating and closing indicator light, the isolating switch the circuit breaker and a plurality of the contactor respectively correspond a set of the separating brake button the closing button with the separating and closing indicator light, in each group the separating brake button with the closing button all with programmable logic controller communication connection, in order to control to correspond the isolating switch the circuit breaker with the contactor separating brake or closing, in each group the separating and closing indicator light is connected in this group the separating brake button with the closing button, in order to correspondingly indicate the isolating switch the circuit breaker with the separating and closing state of the contactor.

Optionally, the upper chamber door is provided with a plurality of ammeters, each current detection device is arranged on each branch corresponding to the contactor, each current detection device is connected in series with the corresponding contactor and is used for detecting the current of the corresponding branch, and the ammeters are connected with the current detection devices in a one-to-one correspondence manner and are used for displaying the corresponding current values of the branches.

Optionally, a warning light is arranged at the top of the cabinet body, and the warning light is in communication connection with the programmable logic controller and used for indicating whether current flows in any one of the branches, and if so, the warning light is turned on.

Optionally, a voltage detection device is arranged in the front lower compartment, a voltmeter is arranged on the upper chamber door, the voltage detection device is used for detecting the voltage of the incoming line end of the external power supply, and the voltmeter is connected with the voltage detection device so as to display the voltage value of the incoming line end.

Optionally, earth-leakage protector is differential current hall sensor, isolator is bipolar direct current isolator, the inlet wire copper bar includes anodal inlet wire row and negative pole inlet wire row on the trunk, anodal inlet wire row bipolar direct current isolator with the circuit breaker connects gradually, the negative pole copper bar bipolar direct current isolator with the negative pole inlet wire row connects gradually.

Optionally, the lower chamber door is provided with an observation window, and the observation window faces the isolating switch.

Optionally, the cabinet body is provided with a human-computer interaction interface, and the human-computer interaction interface is in communication connection with the programmable logic controller.

Optionally, the human-computer interaction interface is configured as a touch screen.

Optionally, the lower chamber door is provided with an electromagnetic lock, and the electromagnetic lock is electrically locked with the isolating switch and an external power inlet power supply.

Optionally, the static power cabinet includes a switching power supply disposed in the front upper compartment, the switching power supply is electrically connected to the programmable logic controller, and a key switch is mounted on the upper compartment door and electrically locked to the switching power supply.

Optionally, the static power cabinet includes an insulating plate disposed in the lower front compartment and isolating the lower door from the primary components in the lower front compartment.

Optionally, the upper chamber door is provided with an emergency stop button and an audible and visual alarm, the emergency stop button is in communication connection with the programmable logic controller to control the opening of the circuit breaker, and the emergency stop button is electrically connected with the audible and visual alarm.

Optionally, the front lower compartment and the rear lower compartment are each provided with a heater.

Through the technical scheme, the internal space of the cabinet body of the static regulation power cabinet provided by the disclosure is divided into a plurality of compartments through the transverse partition plate, the first longitudinal partition plate and the second longitudinal partition plate, and the primary component and the secondary component are separated by the plurality of compartments, so that the electromagnetic interference is reduced; in addition, the circuit breaker in the primary component is separately arranged in the rear upper compartment, and the cabinet body is provided with a heat dissipation structure corresponding to the part of the rear upper compartment, so that heat generated by the circuit breaker can be timely discharged through the heat dissipation structure, the influence on other components when the circuit breaker breaks down is reduced, and the safety of the static regulation power cabinet is improved.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

fig. 1 is a schematic perspective view of a static power cabinet provided in an embodiment of the disclosure, in which a left side plate is not shown;

fig. 2 is a right side view of a static power cabinet provided by an embodiment of the disclosure, wherein the left side panel is not shown;

fig. 3 is a front view of a quiet power cabinet provided by an embodiment of the present disclosure;

fig. 4 is a rear view of a quiet power cabinet provided by an embodiment of the present disclosure, wherein the rear side panel is not shown.

Description of the reference numerals

1-isolating switch, 2-circuit breaker, 3-fuse, 4-contactor, 5-relay, 6-programmable logic controller, 7-diaphragm, 8-first longitudinal baffle, 9-second longitudinal baffle, 10-heat dissipation hole, 11-signal auxiliary switch, 12-leakage protector, 13-upper door, 14-lower door, 15-switching power supply, 16-key switch, 17-electromagnetic lock, 18-insulating board, 19-voltmeter, 20-voltage detection device, 21-ammeter, 22-current detection device, 23-warning lamp, 24-opening button, 25-closing button, 26-opening and closing indicator lamp, 27-observation window, 28-emergency stop button, 29-audible and visual alarm, 30-human-computer interaction interface, 31-heater, 321-positive pole incoming line row, 322-negative pole incoming line row, 33-insulator, 34-positive pole copper bar, 35-negative pole copper bar,

100-cabinet, A-front upper compartment, B-rear upper compartment, C-front lower compartment, D-rear lower compartment.

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, the use of directional words such as "up and down" in general means "up and down" in the direction of gravity when the respective components are in the use state, unless otherwise specified; "front and rear" are defined based on a static power cabinet, and it is considered that the direction in which the upper and lower doors face when in use is "front" and the opposite direction is "rear", and in the drawings provided in the present disclosure, the "front and rear" directions correspond to the left and right directions in the drawing plane of fig. 2; the left positions of the upper door and the lower door of the static regulation power supply cabinet are left and the opposite directions are right by taking the positions faced by the upper door and the lower door of the static regulation power supply cabinet as reference. Further, "inside and outside" are "inside and outside" with respect to the contour of the corresponding component itself. Furthermore, the terms "first, second, etc. are used herein to distinguish one element from another, and are not necessarily sequential or significant. Furthermore, in the following description, when referring to the figures, the same reference numbers in different figures denote the same or similar elements, unless otherwise explained. The foregoing definitions are provided to illustrate and describe the present disclosure only and should not be construed to limit the present disclosure.

According to the specific embodiment of the present disclosure, referring to fig. 1 to 4, there is provided a static power cabinet, which includes a cabinet body 100 and a debugging control system, the debugging control system includes a plurality of primary devices connected to a high voltage loop and a plurality of secondary devices connected to a low voltage loop, an inner space of the cabinet body 100 is divided into an upper chamber and a lower chamber by a horizontal partition plate 7, the upper chamber is divided into a front upper compartment a and a rear upper compartment B by a first longitudinal partition plate 8, the lower chamber is divided into a front lower compartment C and a rear lower compartment D by a second longitudinal partition plate 9, wherein, a plurality of secondary components are arranged in the front upper compartment A, a plurality of primary components are arranged in the rear upper compartment B, the front lower compartment C and the rear lower compartment D, wherein the plurality of primary components include the circuit breaker 2, the circuit breaker 2 is separately provided in the rear upper compartment B, and the cabinet 100 is provided with a heat dissipation structure at a portion corresponding to the rear upper compartment B.

Through the technical scheme, the internal space of the cabinet body 100 of the static regulation power supply cabinet provided by the disclosure is divided into a plurality of compartments through the transverse partition plate 7, the first longitudinal partition plate 8 and the second longitudinal partition plate 9, and primary components and secondary components are separated by the plurality of compartments, so that the electromagnetic interference is reduced; in addition, the circuit breaker 2 among the primary components is separately disposed in the rear upper compartment B, and the cabinet body 100 is provided with a heat dissipation structure at a portion corresponding to the rear upper compartment B, so that heat generated by the circuit breaker 2 can be timely discharged through the heat dissipation structure, and the influence on other components when the circuit breaker 2 fails is reduced, thereby improving the safety of the static regulation power supply cabinet.

Wherein, be provided with the intercommunicating pore between compartment B, preceding lower compartment C and the compartment D under the back in the back, the heat that other components and parts in the internal space of cabinet 100 produced also can discharge through heat radiation structure in time from this, in addition, because after the internal space air temperature of cabinet 100 rose, the heat can upwards radiate, consequently, the heat that circuit breaker 2 produced can not be by the intercommunicating pore give off under the front in the compartment C and the compartment D under the back.

In the specific embodiments provided in this disclosure, the heat dissipation structure may be configured in any suitable manner. In one embodiment, referring to fig. 1, the heat dissipation structure may be disposed on a top plate of the cabinet 100 and configured as a plurality of heat dissipation holes 10, through which the heat generated by the circuit breaker 2 is timely exhausted from the inside of the cabinet 100 to the outside of the cabinet 100, so as to accelerate the heat dissipation rate, so as to maintain the temperature of the rear upper compartment B within a lower temperature range, and improve the safety of the static electricity storage cabinet. In another embodiment, the heat dissipation structure may be configured as a plurality of heat dissipation fins, and the heat generated by the circuit breaker 2 is conducted to the plurality of heat dissipation fins, and then the plurality of heat dissipation fins dissipate the heat into the air, so as to dissipate the heat of the circuit breaker 2 and the rear upper compartment B in time, thereby improving the safety of the static adjustment power cabinet.

In the specific embodiment that this disclosure provided, the front side of cabinet 100 is provided with upper chamber door 13 and lower chamber door 14, and upper chamber door 13 is used for the preceding compartment a of switching, and lower chamber door 14 is used for the preceding compartment C of switching, from this can only need open upper chamber door 13 and just can overhaul the secondary device under the condition that lower chamber door 14 closed, need not to cut off the power supply to the primary device moreover to in the maintenance to the secondary device.

The cabinet 100 may be configured as a rectangular parallelepiped structure, and includes a top plate, a bottom plate, a left side plate, a right side plate, and a rear side plate, where two adjacent edges of the top plate, the bottom plate, the left side plate, the right side plate, and the rear side plate are bent and riveted by rivets. Wherein, the cabinet body 100 adopts the sheet metal structure, and two adjacent edges bend in roof, bottom plate, left side board, right side board and the posterior lateral plate, can improve the structural strength of whole cabinet body 100. Wherein, upper door 13 and lower door 14 can be connected with cabinet 100 in any suitable manner, for example, the left edge of upper door 13 can be hinged to the left side plate through a hinge, or the right edge of upper door 13 can be hinged to the right side plate through a hinge, and the left edge of lower door 14 can be hinged to the left side plate through a hinge, or the right edge of lower door 14 can be hinged to the right side plate through a hinge, to this, this disclosure does not make specific limitations.

In the specific embodiment provided by the present disclosure, the plurality of primary components include an incoming copper bar for connecting with an external power supply, a leakage protector 12, a disconnecting switch 1, a fuse 3, a contactor 4, a current detection device 22, and a positive copper bar 34 and a negative copper bar 35 for connecting with an output cable, the plurality of secondary components include a relay 5 and a programmable logic controller 6, the leakage protector 12, the disconnecting switch 1, a circuit breaker 2, the fuse 3, and the current detection device 22 are all in communication connection with the programmable logic controller 6, wherein, referring to fig. 2, the incoming copper bar, the leakage protector 12, the disconnecting switch 1, and the negative copper bar 35 are disposed in a front lower compartment C, the fuse 3, the contactor 4, the current detection device 22, and the positive copper bar 34 are disposed in a rear lower compartment D, thereby separating the primary components except the circuit breaker 2, the influence on other components can be reduced when a single primary component breaks down, so that the accident range is further reduced, and the safety of the static power cabinet is further improved.

The leakage protector 12 is in communication connection with the programmable logic controller 6, the leakage protector 12 is used for detecting a current difference between an anode and a cathode of an external power supply, when a detection value is larger than a setting value, namely the current difference exists between the anode and the cathode of the external power supply, the programmable logic controller 6 sends a breaker 2 opening command according to a leakage signal of the leakage protector 12, and the breaker 2 opening command is used for the relay 5 to execute opening operation of the breaker 2 so as to break a whole high-voltage loop, so that leakage protection is realized. In addition, the fuse 3 is in communication connection with the programmable logic controller 6, when abnormal phenomena such as overcurrent, overvoltage or overheating occur in the circuit, the fuse 3 is immediately fused, meanwhile, the programmable logic controller 6 sends a breaker 2 opening command according to a fusing signal of the fuse 3, and the breaker 2 opening command is used for the relay 5 to execute opening operation of the breaker 2 so as to break the whole high-voltage loop, so that the function of protecting the circuit is achieved.

Wherein, earth leakage protector 12, isolator 1, circuit breaker 2 connect gradually on the trunk of high-voltage circuit, and high-voltage circuit includes a plurality of branch roads parallelly connected in circuit breaker 2 rear, and every branch road all is provided with fuse 3, contactor 4, current detection device 22 and the anodal copper bar 34 that connects gradually, and every anodal copper bar 34 is suitable for connecting output cable all the way to satisfy the demand that a plurality of trains overhauld the debugging simultaneously. Wherein, see and show in fig. 4, the quiet power cabinet of transferring is provided with four contactors 4 in compartment D under back, correspond four ways output cable, the one end of every way output cable is connected with the contactor 4 electricity that corresponds, the other end all is equipped with special plug, through special plug and the special socket phase-match in train input hole, for a plurality of trains provide the quiet power of transferring, can satisfy the demand that four trains overhaul the debugging simultaneously, and under the condition that does not increase cabinet body 100 size, can practice thrift installation space, reduce product cost, improve the work efficiency of quiet power cabinet of transferring. In addition, each branch is connected with a fuse 3 in series, when any branch has abnormal phenomena such as overcurrent, overvoltage or overheating, the fuse 3 on the corresponding branch is fused immediately, meanwhile, the programmable logic controller 6 sends a breaker 2 opening command according to a fusing signal of the fuse 3, and the breaker 2 opening command is used for the relay 5 to execute opening operation of the breaker 2 so as to break the whole high-voltage loop, thereby playing a role of protecting the circuit.

Each fuse 3 can be provided with a signal auxiliary switch 11, the signal auxiliary switch 11 is in communication connection with the programmable logic controller 6, when any branch circuit has abnormal phenomena such as overcurrent, overvoltage or overheating, the fuse 3 on the corresponding branch circuit is immediately fused and triggers the signal auxiliary switch 11 to change in state, the programmable logic controller 6 sends a breaker 2 opening command according to a state change signal sent by the signal auxiliary switch 11, and the breaker 2 opening command is used for the relay 5 to execute opening operation of the breaker 2 so as to break the whole high-voltage loop, thereby playing a role in protecting the circuit.

In the specific embodiment provided by the present disclosure, referring to fig. 1 and 3, the upper chamber door 13 is provided with a plurality of groups including a separating button 24, a closing button 25 and a separating and closing indicator lamp 26, each of the disconnecting switch 1, the circuit breaker 2 and the plurality of contactors 4 corresponds to one group of the separating button 24, the closing button 25 and the separating and closing indicator lamp 26, each of the separating button 24 and the closing button 25 in each group is in communication connection with the programmable logic controller 6 to control the separating or closing of the corresponding disconnecting switch 1, the circuit breaker 2 and the contactor 4, and each of the separating and closing indicator lamps 26 in each group is connected with the separating button 24 and the closing button 25 in the group to correspondingly indicate the separating and closing states of the disconnecting switch 1, the circuit breaker 2 and the contactor 4.

The switching-off and switching-on indicator lamps 26 in each group respectively comprise switching-off indicator lamps and switching-on indicator lamps, the switching-off indicator lamps and the switching-on indicator lamps are distributed in a cross shape, the switching-off indicator lamps are transversely arranged, and the switching-on indicator lamps are longitudinally arranged. When the closing button 25 in each group is pressed, the programmable logic controller 6 sends a closing command according to the closing signal, the closing command is used for controlling the corresponding disconnecting switch 1, the circuit breaker 2 and the contactor 4 to be closed by the closing button 25 in each group, and at the moment, the closing indicator lamp in each group is turned on to correspondingly indicate the closing state of the disconnecting switch 1, the circuit breaker 2 and the contactor 4; when the opening button 24 in each group is pressed, the programmable logic controller 6 sends an opening command according to the opening signal, the opening command is used for the opening button 24 in each group to control the corresponding disconnecting switch 1, the circuit breaker 2 and the contactor 4 to open, and at the moment, the opening indicator light in each group is lightened to correspondingly indicate the opening state of the disconnecting switch 1, the circuit breaker 2 and the contactor 4.

Since the isolating switch 1 cannot be operated with load, the breaker 2 can be switched on only when the isolating switch 1 is in a switching-on state; the disconnector 1 can only be opened if the circuit breaker 2 is in the open state.

In the specific embodiment provided by the present disclosure, the upper chamber door 13 is provided with a plurality of ammeters 21, a current detection device 22 is respectively disposed on a branch corresponding to each contactor 4, each current detection device 22 is connected in series with the corresponding contactor 4 for detecting the current of the corresponding branch, and the ammeters 21 and the current detection devices 22 are connected in a one-to-one correspondence manner for displaying the current values of the corresponding branches. Referring to fig. 3 and 4, the static power cabinet is provided with four contactors 4 in the rear lower compartment D, correspondingly, the upper compartment door 13 is provided with four ammeters 21, a current detection device 22 is respectively arranged on a branch corresponding to each contactor 4, and the current value of the corresponding branch is displayed by the ammeters 21.

Wherein the current detection means 22 may be constructed in any suitable manner. Alternatively, the current detecting device 22 may be a hall current sensor for collecting a current signal on the corresponding branch, and the current value of the corresponding branch is displayed by an ammeter 21 provided on the upper chamber door 13. In addition, the current detection device 22 may be configured as any device capable of detecting a current, to which the present disclosure is not particularly limited. Further, as an alternative, the upper door 13 may be provided with a plurality of multifunctional meters, each of which can be used to display the electric quantity parameters of current, voltage, power, etc. of the corresponding branch.

In the specific embodiment provided by the present disclosure, referring to fig. 1 to 4, a warning light 23 is disposed at the top of the cabinet 100, and the warning light 23 is in communication connection with the programmable logic controller 6, and is used to indicate whether current flows through any one of the branches, and if so, the warning light 23 is turned on, thereby playing a role of warning. When any branch in the branches has current output, the current detection device 22 on the corresponding branch detects a current signal, and displays the current value of the corresponding branch on the corresponding ammeter 21, and meanwhile, the programmable logic controller 6 sends a working command of the warning lamp 23 according to the current signal detected by the current detection device 22, and the working command of the warning lamp 23 is used for the relay 5 to execute the operation of lighting the warning lamp 23.

In the embodiment provided by the present disclosure, a voltage detection device 20 is disposed in the front lower compartment C, the upper compartment door 13 is provided with a voltmeter 19, the voltage detection device 20 is used for detecting the voltage of the incoming line terminal of the external power supply, and the voltmeter 19 is connected with the voltage detection device 20 for displaying the voltage value of the incoming line terminal.

Wherein the voltage sensor may be constructed in any suitable manner. Alternatively, the voltage detecting means 20 may be configured as a voltage sensor for collecting the voltage of the inlet terminal of the external power supply and displaying the voltage value of the inlet terminal by a voltmeter 19 provided on the upper chamber door 13. In addition, the voltage detection device 20 may be configured as any device capable of detecting a voltage, to which the present disclosure is not particularly limited. Further, as an alternative, the upper door 13 may be provided with a multifunctional meter that can be used to display the electric quantity parameters of current, voltage, power, etc. of the external power supply inlet terminal.

In the specific embodiments provided by the present disclosure, the earth leakage protector 12 may be constructed in any suitable manner. Alternatively, the earth-leakage protector 12 may be configured as a differential current hall sensor, the isolating switch 1 is a bipolar dc isolating switch 1, the incoming copper bar includes a positive incoming line bar 321 and a negative incoming line bar 322, on the trunk, the positive incoming line bar 321, the differential current hall sensor, the bipolar dc isolating switch 1 and the circuit breaker 2 are connected in sequence, and the negative copper bar 35, the bipolar dc isolating switch 1, the differential current hall sensor and the negative incoming line bar 322 are connected in sequence.

The positive wire inlet row 321 and the negative wire inlet row 322 are fixed on the left side plate or the right side plate of the cabinet body 100 through the insulator 34, and therefore the static regulation power cabinet can be fed with wires from the left side plate or the right side plate. Furthermore, the static power cabinet may be wired out from the bottom plate or the left or right side plate of the cabinet body 100, to which the present disclosure is not particularly limited.

The differential current Hall sensor is of an open type, the positive incoming line bar 321 and the negative incoming line bar 322 penetrate through the differential current Hall sensor, so that the current difference between the positive electrode and the negative electrode of an external power supply can be correctly detected through the differential current Hall sensor, when a detection value is larger than a setting value, namely the current difference exists between the positive electrode and the negative electrode of the external power supply, the programmable logic controller 6 sends a breaker 2 opening command according to a leakage signal of the differential current Hall sensor, and the breaker 2 opening command is used for the relay 5 to execute opening operation of the breaker 2 so as to break a whole high-voltage loop, so that leakage protection is realized.

On the trunk of the high-voltage circuit, the positive pole of the external power supply is connected with one end of the positive pole incoming line row 321 through a cable, the other end of the positive pole incoming line row 321 is connected with the positive pole end of the bipolar direct-current isolating switch 1 through a cable, the other positive pole end of the bipolar direct-current isolating switch 1, which is positioned on the same side with the positive pole end, is connected with the circuit breaker 2 through a cable, the negative pole copper bar 35 is connected with the negative pole end of the bipolar direct-current isolating switch 1 through a cable, and the other negative pole end of the bipolar direct-current isolating switch 1, which is positioned on the same side with the negative pole end, is connected with the negative pole incoming line row 322 through a cable, so that. When current flows through the positive inlet 321 and the negative inlet 322, and current flows through the differential current hall sensor, the differential current hall sensor can detect the current difference between the positive and negative poles of the external power source. In addition, the positive and negative poles of the external power supply are correspondingly connected with the positive and negative poles of the bipolar direct current isolating switch 1, and the positive and negative poles of the bipolar direct current isolating switch 1 are simultaneously opened and closed, so that the static adjustment maintenance of the train is more convenient.

In the specific embodiment provided by the present disclosure, referring to fig. 1 and 3, the lower chamber door 14 is provided with a viewing window 27, and the viewing window 27 faces the disconnecting switch 1, so as to observe the state of the disconnecting switch 1 and provide a visual breakpoint.

In the specific embodiment provided by the present disclosure, the cabinet body 100 is provided with a human-computer interaction interface 30, the human-computer interaction interface 30 is in communication connection with the programmable logic controller 6, and signals acquired by the programmable logic controller 6, such as parameters of incoming line voltage, branch current, etc., can be checked through the human-computer interaction interface 30, and fault information can also be consulted, and setting values, etc., can be set. The human-machine interface 30 may be configured in any suitable manner, among other things. Alternatively, the human-machine interface 30 may be configured as a touch screen, to which the present disclosure is not particularly limited.

In the specific embodiment provided by the present disclosure, referring to fig. 1 and 3, the lower chamber door 14 is provided with an electromagnetic lock 17, the electromagnetic lock 17 is electrically locked with the isolating switch 1 and the external power incoming line power supply, when the external power incoming line power supply has no voltage and the isolating switch 1 is in the open state, at this time, the electromagnetic lock 17 does not work, and the lower chamber door 14 can be opened; when there is voltage and isolator 1 in the combined floodgate state in external power supply inlet wire power, electromagnetic lock 17 work this moment, lower chamber door 14 can not be opened, under this condition, electromagnetic lock 17 just can open under satisfying two conditions to ensure lower chamber door 14 can not be opened easily, in order to guarantee personnel's safety.

In the specific embodiment provided by the present disclosure, the static power cabinet includes a switch power supply 15 disposed in the upper front compartment a, the switch power supply 15 is electrically connected to the programmable logic controller 6, the upper compartment door 13 is mounted with a key switch 16, the key switch 16 is electrically locked with the switch power supply 15, when the key switch 16 is in the closed position, the low-voltage loop of the whole static power cabinet can be switched on, and at this time, the switch power supply 15 supplies power to the programmable logic controller 6, and the programmable logic controller 6 operates.

In the specific embodiment provided by the present disclosure, the static power cabinet includes an insulating plate 18, the insulating plate 18 is disposed in the front lower compartment C, and isolates the lower compartment door 14 from the primary components in the front lower compartment C. Under the electrified circumstances of primary components, lower chamber door 14 can't be opened, and when lower chamber door 14 was opened by force, insulation board 18 can be with human and electrified primary components and parts physical isolation, ensures personnel's safety, realizes duplicate protection.

In the specific embodiment provided by the present disclosure, the upper door 13 is provided with an emergency stop button 28 and an audible and visual alarm 29, the emergency stop button 28 is in communication connection with the programmable logic controller 6 to control the opening of the circuit breaker 2, the emergency stop button 28 is electrically connected with the audible and visual alarm 29, when an emergency accident occurs, the emergency stop button 28 is pressed, the programmable logic controller 6 sends a circuit breaker 2 opening command according to the opening signal, the circuit breaker 2 opening command is used for the emergency stop button 28 to control the opening of the circuit breaker 2, and the audible and visual alarm 29 sends an audible and visual alarm signal. Wherein the audible and visual alarm signal can be deactivated only by manually resetting the emergency stop button 28. In addition, a plurality of emergency stop buttons 28 can be arranged at preset positions far away from the cabinet body 100, and when an emergency accident occurs, the circuit breaker 2 can be controlled to be switched off by pressing any one of the emergency stop buttons 28. Further, the preset position may be a conspicuous and easily accessible position in the service depot, to which the present disclosure is not particularly limited.

In the embodiments provided by the present disclosure, the front and rear lower compartments C and D are each provided with a heater 31 to prevent condensation.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims (20)

1. A static power cabinet comprises a cabinet body (100) and a debugging control system, wherein the debugging control system comprises a plurality of primary components connected to a high-voltage loop and a plurality of secondary components connected to a low-voltage loop,

the interior space of the cabinet body (100) is divided into an upper chamber and a lower chamber by a transverse clapboard (7), the upper chamber is divided into a front upper compartment (A) and a rear upper compartment (B) by a first longitudinal clapboard (8), the lower chamber is divided into a front lower compartment (C) and a rear lower compartment (D) by a second longitudinal clapboard (9), wherein a plurality of secondary components are arranged in the front upper compartment (A), a plurality of primary components are arranged in the rear upper compartment (B), the front lower compartment (C) and the rear lower compartment (D),

wherein the plurality of primary components include a circuit breaker (2), the circuit breaker (2) is separately provided in the rear upper compartment (B), and the cabinet body (100) is provided with a heat dissipation structure at a portion corresponding to the rear upper compartment (B).

2. The quiet power cabinet according to claim 1, characterized in that said heat dissipating structure is provided on a top plate of said cabinet body (100) and is configured as a plurality of heat dissipating holes (10).

3. The static power cabinet according to claim 1, wherein an upper door (13) and a lower door (14) are provided at the front side of the cabinet body (100), the upper door (13) is used for opening and closing the upper front compartment (A), and the lower door (14) is used for opening and closing the lower front compartment (C).

4. The static power cabinet according to claim 3, wherein the cabinet body (100) is configured to be a cuboid structure and comprises a top plate, a bottom plate, a left side plate, a right side plate and a rear side plate, the edges of two adjacent top plate, bottom plate, left side plate, right side plate and rear side plate are bent and riveted, the left edge of the upper door (13) is hinged to the left side plate through a hinge, or the right edge of the upper door (13) is hinged to the right side plate through a hinge, the left edge of the lower door (14) is hinged to the left side plate through a hinge, or the right edge of the lower door (14) is hinged to the right side plate through a hinge.

5. The static power cabinet according to claim 3, wherein the plurality of primary components comprise an incoming copper bar, a leakage protector (12), an isolating switch (1), a fuse (3), a contactor (4), a current detection device (22) for connecting with an external power supply, and a positive copper bar (34) and a negative copper bar (35) for connecting with an output cable, the plurality of secondary components comprise a relay (5) and a programmable logic controller (6), the leakage protector (12), the isolating switch (1), the circuit breaker (2), the fuse (3) and the current detection device (22) are all in communication connection with the programmable logic controller (6),

the inlet wire copper bar earth-leakage protector (12) isolator (1) with negative pole copper bar (35) set up in preceding compartment (C) down, fuse (3) contactor (4) current detection device (22) with positive pole copper bar (34) set up in compartment (D) down after.

6. The static regulation power cabinet according to claim 5, characterized in that the earth leakage protector (12), the isolating switch (1) and the circuit breaker (2) are sequentially connected on a main line of the high-voltage circuit, the high-voltage circuit comprises a plurality of branches connected in parallel behind the circuit breaker (2), each branch is provided with the fuse (3), the contactor (4), the current detection device (22) and the positive copper bar (34) which are sequentially connected, and each positive copper bar (34) is suitable for being connected with an output cable.

7. A static power cabinet according to claim 6, characterized in that each of the fuses (3) is provided with a signal auxiliary switch (11), the signal auxiliary switch (11) being in communication connection with the programmable logic controller (6).

8. The static power supply cabinet according to claim 6, wherein the upper door (13) is provided with a plurality of groups including an opening button (24), a closing button (25) and an opening and closing indicator light (26), the isolating switch (1), the circuit breaker (2) and the plurality of contactors (4) respectively correspond to one group of the opening button (24), the closing button (25) and the opening and closing indicator light (26), the opening button (24) and the closing button (25) in each group are respectively connected with the programmable logic controller (6) in a communication mode to control the corresponding isolating switch (1), the circuit breaker (2) and the contactor (4) to be opened or closed, the opening and closing indicator light (26) in each group is connected with the opening button (24) and the closing button (25) in the group, correspondingly indicating the opening and closing states of the isolating switch (1), the circuit breaker (2) and the contactor (4).

9. The static adjusting power cabinet according to claim 6, wherein the upper door (13) is provided with a plurality of current meters (21), a current detection device (22) is arranged on each branch corresponding to each contactor (4), each current detection device (22) is connected in series with the corresponding contactor (4) for detecting the current of the corresponding branch, and the current meters (21) are connected with the current detection devices in a one-to-one correspondence manner for displaying the current values of the corresponding branches.

10. The static power cabinet according to claim 6, wherein a warning lamp (23) is arranged at the top of the cabinet body (100), the warning lamp (23) is in communication connection with the programmable logic controller (6) and is used for indicating whether current flows in any one of the branches, and if so, the warning lamp (23) is turned on.

11. The quiet electric power cabinet according to claim 5, characterized in that a voltage detection device (20) is provided in said lower front compartment (C), said upper door (13) is provided with a voltage meter (19), said voltage detection device (20) is used for detecting the voltage of the incoming line terminal of the external electric power, said voltage meter (19) is connected with said voltage detection device (20) for displaying the voltage value of said incoming line terminal.

12. The static regulation power cabinet according to claim 6, wherein the earth leakage protector (12) is a differential current Hall sensor, the isolating switch (1) is a bipolar direct current isolating switch, the incoming line copper bar comprises an anode incoming line bar (321) and a cathode incoming line bar (322), on the trunk line, the anode incoming line bar (321), the bipolar direct current isolating switch and the circuit breaker (2) are sequentially connected, and the cathode copper bar (35), the bipolar direct current isolating switch and the cathode incoming line bar (322) are sequentially connected.

13. A static power cabinet according to claim 5, wherein the lower door (14) is provided with a viewing window (27), the viewing window (27) facing the disconnector (1).

14. The static power supply cabinet according to claim 5, characterized in that the cabinet body (100) is provided with a human-computer interaction interface (30), and the human-computer interaction interface (30) is in communication connection with the programmable logic controller (6).

15. The stationary power cabinet according to claim 14, wherein the human-machine interface (30) is configured as a touch screen.

16. The static power cabinet according to claim 5, characterized in that the lower door (14) is provided with an electromagnetic lock (17), and the electromagnetic lock (17) is electrically locked with the isolating switch (1) and an external power incoming line power supply.

17. The quiet power cabinet according to claim 5, comprising a switching power supply (15) provided in the front upper compartment (A), the switching power supply (15) being electrically connected with the programmable logic controller (6), the upper door (13) being mounted with a key switch (16), the key switch (16) being electrically latched with the switching power supply (15).

18. The quiet power cabinet according to claim 4, characterized in that it comprises an insulating plate (18), said insulating plate (18) being arranged in said lower front compartment (C) and isolating said lower door (14) from the primary components in said lower front compartment (C).

19. The static power cabinet according to claim 5, characterized in that the upper door (13) is provided with an emergency stop button (28) and an audible and visual alarm (29), the emergency stop button (28) is connected with the programmable logic controller (6) in communication to control the opening of the circuit breaker (2), and the emergency stop button (28) is electrically connected with the audible and visual alarm (29).

20. A static electric power cabinet according to any of claims 1-19, wherein both the front lower compartment (C) and the rear lower compartment (D) are provided with a heater (31).

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