CN220475173U - Track traffic converter cabinet - Google Patents
Track traffic converter cabinet Download PDFInfo
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- CN220475173U CN220475173U CN202321878240.2U CN202321878240U CN220475173U CN 220475173 U CN220475173 U CN 220475173U CN 202321878240 U CN202321878240 U CN 202321878240U CN 220475173 U CN220475173 U CN 220475173U
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 59
- 229910052802 copper Inorganic materials 0.000 claims abstract description 59
- 239000010949 copper Substances 0.000 claims abstract description 59
- 238000009434 installation Methods 0.000 claims description 53
- 230000017525 heat dissipation Effects 0.000 claims description 26
- 238000007789 sealing Methods 0.000 claims description 19
- 239000003990 capacitor Substances 0.000 claims description 10
- 208000009115 Anorectal Malformations Diseases 0.000 claims description 8
- 238000002955 isolation Methods 0.000 claims description 8
- 230000003750 conditioning effect Effects 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000011900 installation process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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Abstract
The utility model discloses a rail transit converter cabinet. The rail transit converter cabinet comprises an alternating current switch cabinet; a power cabinet; a direct current switch cabinet; the power cabinet is detachably connected with the alternating current switch cabinet and the direct current switch cabinet, and the power cabinet is electrically connected with the alternating current switch cabinet and the direct current switch cabinet through copper bars and cables. The rail transit converter cabinet provided by the utility model can be split into three cabinets of the alternating current switch cabinet, the power cabinet and the direct current switch cabinet to form three modularized structures, and compared with the existing rail transit converter cabinet with larger volume, the rail transit converter cabinet is detached integrally by pre-detaching and field splicing the three modularized structures, the installation process is simplified, and the field assembly efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of converter cabinets, in particular to a rail transit converter cabinet.
Background
The existing rail transit converter cabinet is large in size and limited by the limit of the inlet and outlet spaces of the installation position, the rail transit converter cabinet needs to be disassembled and then transported to the installation position and then reassembled, so that the whole assembly process is complicated, and the installation efficiency of the rail transit converter cabinet is reduced.
Therefore, how to improve the installation efficiency of the rail transit converter cabinet is a technical problem that needs to be solved currently by those skilled in the art.
Disclosure of Invention
Therefore, the utility model aims to provide a rail transit converter cabinet so as to improve the installation efficiency of the rail transit converter cabinet.
In order to achieve the above object, the present utility model provides the following technical solutions:
a rail transit converter cabinet comprising:
an alternating current switch cabinet;
a power cabinet;
a direct current switch cabinet;
the power cabinet is detachably connected with the alternating current switch cabinet and the direct current switch cabinet, and the power cabinet is electrically connected with the alternating current switch cabinet and the direct current switch cabinet through copper bars and cables.
Optionally, in the rail transit converter cabinet, the ac switch cabinet includes an ac cabinet body and a circuit breaker disposed in the ac cabinet body;
the inside of exchanging the cabinet body is including setting up from front to back and being front side installation space and rear side installation space, the circuit breaker sets up front side installation space, just the circuit breaker is located the middle part in front side installation space.
Optionally, in the rail transit converter cabinet, the ac switch cabinet further includes a parallel cabinet platform conditioning board, an ARM development board, a heater, a secondary power distribution switch and an external interface terminal, which are disposed in the front side installation space;
the parallel cabinet platform conditioning board, the ARM development board and the heater are located on the upper portion of the circuit breaker, and the secondary distribution switch and the external interface terminal are located on the lower portion of the circuit breaker.
Optionally, in the rail transit converter cabinet, the ac switch cabinet further includes an ac heat dissipation fan, a capacitor and an ac contactor disposed in the rear side installation space;
the alternating-current cooling fan is located at the upper portion of the rear side installation space, and the capacitor and the alternating-current contactor are located at the middle portion of the rear side installation space.
Optionally, in the rail transit converter cabinet, the ac cooling fan is an intelligent temperature control type centrifugal fan, an ac air inlet is formed in the front portion of the ac cabinet body, an ac air outlet is formed in the rear portion of the ac cabinet body, and the intelligent temperature control type centrifugal fan adopts an air draft mode.
Optionally, in the rail transit converter cabinet, the ac switch cabinet further includes a resistor and a lightning protection component, and the resistor and the lightning protection component are disposed on two opposite inner walls of the ac cabinet body.
Optionally, in the rail transit converter cabinet, the power cabinet includes a power cabinet body, and a power module, a first reactor and a diode which are arranged in the power cabinet body;
the power cabinet body comprises a first sealing cavity and a second sealing cavity which are sequentially arranged from top to bottom, the power module is located in the first sealing cavity, the first reactor and the diode are located in the second sealing cavity, and the diode is arranged on the front side of the reactor.
Optionally, in the rail transit converter cabinet, the power cabinet further comprises a module fan and a reactance fan;
the power module comprises a first sealed cavity, a second sealed cavity, a power module, a module fan, a reactance fan and a reactance fan, wherein the module fan is arranged in the first sealed cavity and is located below the power module, and the reactance fan is arranged in the second sealed cavity and is located above the first reactor and the diode.
Optionally, in the rail transit converter cabinet, the module fan and the reactance fan are centrifugal fans, power air inlets are formed in the front side of the first sealing cavity and the bottom of the second sealing cavity, and power air outlets are formed in the rear side of the first sealing cavity and the rear side of the second sealing cavity.
Optionally, in the rail transit converter cabinet, the circuit breaker is connected with the first reactor through a copper bar, and the copper bar comprises an outgoing copper bar arranged on the circuit breaker and a connecting copper bar for connecting the outgoing copper bar with the first reactor;
the circuit breaker comprises a first circuit breaker and a second circuit breaker, the first reactor comprises a first power reactor and a second power reactor, the first circuit breaker, the second circuit breaker, the first power reactor and the second power reactor are sequentially arranged along the direction of the alternating current switch cabinet towards the power cabinet, the first circuit breaker is connected with the first power reactor, the second circuit breaker is connected with the second power reactor, and the leading-out copper bars of the first circuit breaker and the second circuit breaker are arranged in a staggered manner.
Optionally, in the rail transit converter cabinet, sealing plates are arranged on the rear side of the power cabinet and on one side of the power cabinet close to the alternating current switch cabinet, and on one side of the power cabinet close to the direct current switch cabinet;
and/or the connecting copper bar comprises a plurality of copper bar connecting split bodies, and the copper bar connecting split bodies are sequentially connected.
Optionally, in the rail transit converter cabinet, the direct current switch cabinet includes a direct current cabinet body, and a direct current heat dissipation fan, a second reactor, a protection relay, a direct current contactor and a direct current isolation switch which are arranged in the direct current cabinet body;
the direct current cabinet body comprises a first installation area, a second installation area and a third installation area which are sequentially arranged from top to bottom, the direct current radiating fan is arranged in the first installation area, the direct current contactor and the direct current isolating switch are arranged in the second installation area, and the second reactor and the protective relay are arranged at the rear side of the third installation area.
Optionally, in the rail transit converter cabinet, electromagnetic switches are arranged on cabinet doors of the alternating current switch cabinet, the power cabinet and the direct current switch cabinet.
Optionally, in the rail transit converter cabinet, the connection terminals of the ac switch cabinet, the power cabinet and the dc switch cabinet are all arranged on the outer side of the cabinet body.
When the rail transit converter cabinet provided by the utility model is used, when the space of the access hole of the installation site is smaller, the detachable connection between the power cabinet and the alternating current switch cabinet and the direct current switch cabinet is detached in advance, the electrical connection between the power cabinet and the alternating current switch cabinet and the direct current switch cabinet is detached, then the alternating current switch cabinet, the power cabinet and the direct current switch cabinet are respectively carried to the installation site, finally the power cabinet and the alternating current switch cabinet and the direct current switch cabinet are electrically connected through copper bars and cables, and the power cabinet, the alternating current switch cabinet and the direct current switch cabinet are detachably connected together to form the rail transit converter cabinet with an integral structure.
Therefore, the rail transit converter cabinet provided by the utility model can be split into three cabinets, namely the alternating current switch cabinet, the power cabinet and the direct current switch cabinet, so that three modularized structures are formed, and compared with the existing rail transit converter cabinet with larger volume, the rail transit converter cabinet is detached integrally by pre-detaching and field splicing the three modularized structures, the installation process is simplified, and the field assembly efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a front structure of a rail transit converter cabinet according to an embodiment of the present utility model;
fig. 2 is a schematic side structural diagram of a rail transit converter cabinet according to an embodiment of the present utility model;
fig. 3 is a schematic diagram of a back structure of a rail transit converter cabinet according to an embodiment of the present utility model;
fig. 4 is a schematic diagram of a front side structure of an ac switchgear according to an embodiment of the present utility model;
fig. 5 is a schematic diagram of a rear structure of an ac switchgear according to an embodiment of the present utility model;
fig. 6 is a schematic diagram of an air duct structure inside an ac switchgear according to an embodiment of the present utility model;
fig. 7 is a schematic diagram of an internal structure of a power cabinet according to an embodiment of the present utility model;
fig. 8 is a schematic structural diagram of a circuit breaker and a first reactor connected by a copper bar according to an embodiment of the present utility model;
fig. 9 is a schematic diagram of an air duct structure inside a power cabinet according to an embodiment of the present utility model;
fig. 10 is a schematic diagram of an internal structure of a dc switch cabinet according to an embodiment of the present utility model;
fig. 11 is a schematic diagram of an air duct structure of a dc switch cabinet according to an embodiment of the present utility model.
Wherein 100 is an ac switch cabinet, 101 is an ac cabinet body, 1011 is an ac air inlet, 1012 is an ac air outlet, 102 is a circuit breaker, 1021 is a first circuit breaker, 1022 is a second circuit breaker, 103 is a parallel cabinet platform conditioning board, 104 is an ARM development board, 105 is a heater, 106 is a secondary power distribution switch and an external interface terminal, 107 is an ac heat dissipation fan, 108 is a capacitor, 109 is an ac contactor, 110 is a resistor, 111 is a lightning protection component, 112 is a first lead-out copper bar, 113 is a second lead-out copper bar, 114 is a first connection copper bar, 115 is a second connection copper bar, 200 is a power cabinet, 201 is a power cabinet body, 202 is a power module, 203 is a first reactor, 2031 is a first power reactor, 2032 is a second power reactor, 204 is a diode, 205 is a module fan, 206 is a fan, 300 is a dc switch cabinet, 301 is a dc heat dissipation fan, 302 is a second reactor, 304 is a protection relay, 305 is a dc isolation switch, 306 is a dc isolation switch.
Detailed Description
In view of the above, the core of the present utility model is to provide a rail transit converter cabinet to improve the installation efficiency of the rail transit converter cabinet.
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 11, an embodiment of the present utility model discloses a rail transit converter cabinet, which includes an ac switch cabinet 100, a power cabinet 200, and a dc switch cabinet 300.
The ac switch cabinet 100 and the dc switch cabinet 300 are disposed on opposite sides of the power cabinet 200, the power cabinet 200 is detachably connected with the ac switch cabinet 100 and the dc switch cabinet 300, and the power cabinet 200 is electrically connected with the ac switch cabinet 100 and the dc switch cabinet 300 through copper bars and cables.
When the rail transit converter cabinet provided by the utility model is used, when the space of the access hole of the installation site is smaller, the detachable connection between the power cabinet 200 and the alternating current switch cabinet 100 and the direct current switch cabinet 300 is detached in advance, the electrical connection between the power cabinet 200 and the alternating current switch cabinet 100 and the direct current switch cabinet 300 is detached, the alternating current switch cabinet 100, the power cabinet 200 and the direct current switch cabinet 300 are respectively carried to the installation site, finally, the power cabinet 200 and the alternating current switch cabinet 100 and the direct current switch cabinet 300 are electrically connected through copper bars and cables, and the power cabinet 200 and the alternating current switch cabinet 100 and the direct current switch cabinet 300 are detachably connected together to form the rail transit converter cabinet with an integral structure.
Therefore, the rail transit converter cabinet provided by the utility model can be split into three cabinets of the alternating current switch cabinet 100, the power cabinet 200 and the direct current switch cabinet 300 to form three modularized structures, and compared with the existing rail transit converter cabinet with larger volume, the rail transit converter cabinet is detached integrally by pre-detaching and field splicing the three modularized structures, the installation process is simplified, and the field assembly efficiency is improved.
It should be noted that, the power cabinet 200, the ac switch cabinet 100, and the dc switch cabinet 300 may be connected together by a bolt connection or a clamping connection, and any connection manner capable of realizing a detachable connection is within the scope of the present utility model; optionally, the power cabinet 200, the ac switch cabinet 100 and the dc switch cabinet 300 are connected together by an L-shaped connector, so as to facilitate pre-disassembly and field splicing.
Further, the ac switchgear 100 includes an ac switchgear body 101 and a circuit breaker 102 disposed in the ac switchgear body 101; wherein, the inside of exchanging cabinet body 101 is including setting up from front to back and being front side installation space and rear side installation space, and circuit breaker 102 sets up in front side installation space, and circuit breaker 102 is located the middle part in front side installation space, the front operation circuit breaker 102 of being convenient for and downside outer inlet wire.
In addition, the ac switch cabinet 100 further includes a cabinet-combining platform conditioning board 103, an ARM development board 104 (ARM is an abbreviation of Advanced RISC Machines, which refers to a function of evaluating a core chip), a heater 105, a secondary distribution switch, and an external interface terminal 106, which are disposed in a front side installation space; the parallel cabinet platform conditioning board 103, the ARM development board 104 and the heater 105 are located on the upper portion of the circuit breaker 102, and the secondary distribution switch and the external interface terminal 106 are located on the lower portion of the circuit breaker 102, so that wiring inside the alternating current switch cabinet 100 is centralized, and the internal space of the alternating current switch cabinet 100 is conveniently utilized.
The ac switchgear 100 further includes an ac heat dissipation fan 107, a capacitor 108, and an ac contactor 109 provided in the rear side installation space; the ac heat dissipation fan 107 is located at an upper portion of the rear side installation space, so that the ac heat dissipation fan 107 exhausts air to the rear side of the ac switch cabinet 100, and the capacitor 108 and the ac contactor 109 are located at a middle portion of the rear side installation space, so that the capacitor 108 and the ac contactor 109 are connected with the circuit breaker 102 in the middle portion of the front side installation space.
The ac heat dissipation fan 107 provided by the present utility model may be an axial flow fan or a centrifugal fan, and any fan type capable of meeting the use requirement is within the scope of the present utility model; optionally, in the embodiment of the utility model, the alternating-current heat dissipation fan 107 adopts an intelligent temperature control type centrifugal fan arranged on a back plate of the unit so as to be automatically started when the temperature reaches the highest temperature threshold, so that the energy is saved more than that of a common fan, the service life is longer, and the reliability is higher; the front part of the alternating current cabinet body 101 is provided with an alternating current air inlet 1011, the rear part of the alternating current cabinet body 101 is provided with an alternating current air outlet 1012, and the intelligent temperature control type centrifugal fan adopts an air draft mode, so that a worker is free from being influenced by hot air when the front operation of the unit is performed.
The ac switchgear 100 further includes a resistor 110 and a lightning protection component 111 to prevent lightning strike from damaging the rail transit converter cabinet, where the resistor 110 and the lightning protection component 111 are disposed on two opposite inner walls of the ac switchgear body 101, so as to facilitate internal wiring of the ac switchgear 100, reduce influence on an internal air duct of the ac switchgear 100, and improve air flow smoothness of the internal air duct.
As shown in fig. 7 to 9, the power cabinet 200 includes a power cabinet body 201 and a power module 202, a first reactor 203 and a diode 204 disposed in the power cabinet body 201; the power cabinet body 201 comprises a first sealed cavity and a second sealed cavity which are sequentially arranged from top to bottom, the power module 202 is positioned in the first sealed cavity so as to facilitate the disassembly and maintenance of the front side of the power module 202, the first reactor 203 and the diode 204 are positioned in the second sealed cavity so as to facilitate the wiring connection of the first reactor 203 and the power module 202, and meanwhile, the isolation between the first reactor 203 and the power module 202 is conveniently realized through the first sealed cavity and the second sealed cavity, the independent heat dissipation of the first reactor 203 and the power module 202 is realized, the heat dissipation air channels of the first sealed cavity and the second sealed cavity are closed, the length of the air channels is shortened, the hot air is conveniently and directly discharged, and the heat dissipation efficiency is improved; in addition, the diode 204 is disposed at the front side of the reactance to facilitate forward maintenance of the diode 204 and connection of the diode 204 with the copper bar of the first reactor 203.
Further, the power cabinet 200 further includes a module fan 205 and a reactance fan 206; wherein, the module fan 205 is disposed in the first sealed cavity and the module fan 205 is disposed below the power module 202, so as to facilitate the layout of the refrigerating air duct in the first sealed cavity, and the reactance fan 206 is disposed in the second sealed cavity and the reactance fan 206 is disposed above the first reactor 203 and the diode 204, so as to facilitate the heat dissipation of the first reactor 203 and the heat dissipation of the diode 204.
The direction of the air duct in the first sealed cavity and the second sealed cavity, the specific positions of the air inlet 1011 and the air outlet 1012, and the like are not limited, and any arrangement mode capable of meeting the heat dissipation requirement is within the scope of the utility model.
Optionally, as shown in fig. 9, in an embodiment of the present utility model, centrifugal fans are used for the module fan 205 and the reactance fan 206, and power air inlets are respectively disposed at the front side of the first sealed cavity and the bottom of the second sealed cavity, and power air outlets are respectively disposed at the rear side of the first sealed cavity and the rear side of the second sealed cavity, so that air channels of front air inlet and rear air outlet are adopted in the first sealed cavity, and a heat dissipation mode of bottom air inlet and rear air outlet is adopted in the second sealed cavity, so that the air channels are smooth, and the heat dissipation effect is better.
The ac heat dissipation fan 107, the module fan 205, the reactance fan 206, and the dc heat dissipation fan 302 described below are all air draft fans, so that an air passage is formed in an air draft manner, and compared with an air draft manner, the direction of air flow is easier to control, and the air flow is easier to discharge.
In the first sealed cavity, most of cold air of the module fan 205 only dissipates heat for the IGBT module (IGBT is Insulated Gate Bipolar Transistor abbreviated as insulated gate bipolar transistor) in the power module 202, so that a large wind speed is ensured to flow through the module radiator, only a small part of wind flows through the capacitor pool of the power module 202, the capacitor is ensured not to be over-heated, and the hot air is discharged from the rear of the power cabinet 200 through the integrated air duct; the PCB (PCB is an abbreviation of Printed Circuit Board, refer to printed circuit board) of the power module 202 is located at a cold air position, so that the service life of electronic components is reliably guaranteed, and the PCB is vertically installed, so that the occurrence of sand accumulation and condensation is reduced.
As shown in fig. 8, the circuit breaker 102 and the first reactor 203 are connected by copper bars, so as to facilitate the installation operation of the connection process; the copper bars include lead-out copper bars provided on the circuit breaker 102 and connection copper bars connecting the lead-out copper bars and the first reactor 203, so that connection of the circuit breaker 102 and the first reactor 203 is achieved through the lead-out copper bars and the connection copper bars.
Because the rail transit converter cabinet provided by the utility model has the circuit breaker 102 and the first reactor 203 respectively placed in the alternating current switch cabinet 100 and the power cabinet 200, the alternating current switch cabinet 100 and the power cabinet 200 need to be disassembled, so that copper bars between the two circuit breakers 102 and the two first reactors 203 which are connected in parallel need to be disassembled and have the same length, and the influence on a current path due to the inconsistent length of the copper bars is prevented, and the electric starting is prevented.
Specifically, the circuit breaker 102 includes a first circuit breaker 1021 and a second circuit breaker 1022, the first reactor 203 includes a first power reactor 2031 and a second power reactor 2032, the first circuit breaker 1021, the second circuit breaker 1022, the first power reactor 2031 and the second power reactor 2032 are sequentially arranged along the direction of the ac switchgear 100 toward the power switchgear 200, taking fig. 8 as an example, the first circuit breaker 1021, the second circuit breaker 1022, the first power reactor 2031 and the second power reactor 2032 are sequentially arranged from left to right, three first lead copper bars 112 are arranged on the first circuit breaker 1021, and three first lead copper bars 112 are arranged in a staggered manner up and down, three second lead copper bars 113 are arranged on the second circuit breaker 1022, and three second lead copper bars 113 are arranged in a staggered manner up and down, the three first connection copper bars 114 are respectively connected with the three first lead-out copper bars 112 and the corresponding wiring terminals of the first power reactor 2031, the three second connection copper bars 115 are respectively connected with the three second lead-out copper bars 113 and the corresponding wiring terminals of the second power reactor 2032, that is, the first circuit breaker 1021 and the first power reactor 2031 are connected through the first lead-out copper bars 112 and the first connection copper bars 114, the second circuit breaker 1022 and the second power reactor 2032 are connected through the second lead-out copper bars 113 and the second connection copper bars 115, the three second lead-out copper bars 113 are arranged in a staggered manner based on the up-down staggered arrangement of the three first lead-out copper bars 112, and the circuit length of the first circuit breaker 1021 and the circuit length of the first power reactor 2031 and the circuit length of the second circuit breaker 1022 and the circuit length of the second power reactor 2032 are consistent.
In addition, sealing plates are arranged on the rear side of the power cabinet 200 and on the side, close to the alternating current switch cabinet 100, of the power cabinet 200 and on the side, close to the direct current switch cabinet 300, of the power cabinet 200, so that the three cabinet bodies can be conveniently detached and spliced; and/or, the connecting copper bars comprise a plurality of copper bar connecting split bodies, and the copper bar connecting split bodies are sequentially connected, namely, the connecting copper bars adopt a sectional connection mode, so that the connecting copper bars are convenient to mount and dismount, and meanwhile, the length of the connecting copper bars is convenient to control.
As shown in fig. 10 and 11, the dc switch cabinet 300 includes a dc cabinet body 301 and a dc heat dissipation fan 302, a second reactor 303, a protection relay 304, a dc contactor 305, and a dc isolation switch 306 provided in the dc cabinet body 301; the dc cabinet body 301 includes a first installation area, a second installation area and a third installation area that are sequentially set from top to bottom, the dc heat dissipation fan 302 is disposed in the first installation area, the dc contactor 305 and the dc isolation switch 306 are disposed in the second installation area, the second reactor 303 and the protection relay 304 are disposed at the rear side of the third installation area, that is, the dc heat dissipation fan 302 is disposed at the upper portion of the dc cabinet body 301, small devices such as the dc contactor 305 and the dc isolation switch 306 are centrally disposed in the middle portion of the dc cabinet body 301, the second reactor 303 and the protection relay 304 are disposed at the rear lower portion of the dc switch cabinet 300, so that heat dissipation is performed on electronic devices in the dc switch cabinet 300 through the dc heat dissipation fan 302, routing of electronic devices in the dc switch cabinet 300 from the outer lower portion is facilitated, and meanwhile, short-distance connection between the dc switch cabinet 300 and a dc bus can be ensured.
In addition, electromagnetic switches are arranged on the cabinet doors of the alternating current switch cabinet 100, the power cabinet 200 and the direct current switch cabinet 300, so that when the rail transit converter cabinet operates, the cabinet doors of the alternating current switch cabinet 100, the power cabinet 200 and the direct current switch cabinet 300 are in a locking state, safety accidents are avoided, and the safety of the rail transit converter cabinet is improved.
Moreover, the connecting terminals of the ac switch cabinet 100, the power cabinet 200 and the dc switch cabinet 300 are all arranged at the outer side of the cabinet body, so that the lap joint between the connecting terminals and the cables and the replacement of the connecting terminals are facilitated, and the convenience of later maintenance is improved.
The terms first and second and the like in the description and in the claims and in the above-described figures are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to the listed steps or elements but may include steps or elements not expressly listed.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (14)
1. A rail transit converter cabinet, comprising:
an alternating current switch cabinet;
a power cabinet;
a direct current switch cabinet;
the power cabinet is detachably connected with the alternating current switch cabinet and the direct current switch cabinet, and the power cabinet is electrically connected with the alternating current switch cabinet and the direct current switch cabinet through copper bars and cables.
2. The rail transit inverter cabinet of claim 1, wherein the ac switch cabinet comprises an ac cabinet body and a circuit breaker disposed within the ac cabinet body;
the inside of exchanging the cabinet body is including setting up from front to back and being front side installation space and rear side installation space, the circuit breaker sets up front side installation space, just the circuit breaker is located the middle part in front side installation space.
3. The rail transit inverter cabinet of claim 2, wherein the ac switch cabinet further comprises a cabinet-side platfonn conditioning board, an ARM development board, a heater, a secondary power distribution switch, and an external interface terminal disposed in the front side installation space;
the parallel cabinet platform conditioning board, the ARM development board and the heater are located on the upper portion of the circuit breaker, and the secondary distribution switch and the external interface terminal are located on the lower portion of the circuit breaker.
4. The rail transit converter cabinet of claim 2, further comprising an ac heat dissipation fan, a capacitor, and an ac contactor disposed in the rear mounting space;
the alternating-current cooling fan is located at the upper portion of the rear side installation space, and the capacitor and the alternating-current contactor are located at the middle portion of the rear side installation space.
5. The rail transit converter cabinet of claim 4, wherein the alternating current cooling fan is an intelligent temperature control type centrifugal fan, the alternating current air inlet is formed in the front portion of the alternating current cabinet body, the alternating current air outlet is formed in the rear portion of the alternating current cabinet body, and the intelligent temperature control type centrifugal fan adopts an air draft mode.
6. The rail transit converter cabinet of claim 2, further comprising a resistor and lightning protection assembly disposed on opposite interior walls of the ac cabinet body.
7. The rail transit converter cabinet of claim 2, wherein the power cabinet comprises a power cabinet body and a power module, a first reactor and a diode disposed in the power cabinet body;
the power cabinet body comprises a first sealing cavity and a second sealing cavity which are sequentially arranged from top to bottom, the power module is located in the first sealing cavity, the first reactor and the diode are located in the second sealing cavity, and the diode is arranged on the front side of the reactor.
8. The rail transit converter cabinet of claim 7, further comprising a modular fan and a reactance fan;
the power module comprises a first sealed cavity, a second sealed cavity, a power module, a module fan, a reactance fan and a reactance fan, wherein the module fan is arranged in the first sealed cavity and is located below the power module, and the reactance fan is arranged in the second sealed cavity and is located above the first reactor and the diode.
9. The rail transit converter cabinet of claim 8, wherein the module fan and the reactance fan are centrifugal fans, power air inlets are formed in the front side of the first sealing cavity and the bottom of the second sealing cavity, and power air outlets are formed in the rear side of the first sealing cavity and the rear side of the second sealing cavity.
10. The rail transit converter cabinet of claim 7, wherein the circuit breaker and the first reactor are connected by a copper bar, the copper bar comprising an outgoing copper bar disposed on the circuit breaker and a connection copper bar connecting the outgoing copper bar and the first reactor;
the circuit breaker comprises a first circuit breaker and a second circuit breaker, the first reactor comprises a first power reactor and a second power reactor, the first circuit breaker, the second circuit breaker, the first power reactor and the second power reactor are sequentially arranged along the direction of the alternating current switch cabinet towards the power cabinet, the first circuit breaker is connected with the first power reactor, the second circuit breaker is connected with the second power reactor, and the leading-out copper bars of the first circuit breaker and the second circuit breaker are arranged in a staggered manner.
11. The rail transit converter cabinet of claim 10, wherein a rear side of the power cabinet and a side of the power cabinet adjacent to the ac switch cabinet and a side of the power cabinet adjacent to the dc switch cabinet are each provided with a sealing plate;
and/or the connecting copper bar comprises a plurality of copper bar connecting split bodies, and the copper bar connecting split bodies are sequentially connected.
12. The rail transit converter cabinet of claim 1, wherein the dc switch cabinet comprises a dc cabinet body and a dc heat dissipation fan, a second reactor, a protective relay, a dc contactor, and a dc isolation switch disposed in the dc cabinet body;
the direct current cabinet body comprises a first installation area, a second installation area and a third installation area which are sequentially arranged from top to bottom, the direct current radiating fan is arranged in the first installation area, the direct current contactor and the direct current isolating switch are arranged in the second installation area, and the second reactor and the protective relay are arranged at the rear side of the third installation area.
13. Rail transit converter cabinet according to any of claims 1-12, characterized in that electromagnetic switches are arranged on the doors of the ac, power and dc-switch cabinets.
14. The rail transit converter cabinet of any of claims 1-12, wherein the terminals of the ac, power and dc switch cabinets are all disposed outside the cabinet body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321878240.2U CN220475173U (en) | 2023-07-17 | 2023-07-17 | Track traffic converter cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321878240.2U CN220475173U (en) | 2023-07-17 | 2023-07-17 | Track traffic converter cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220475173U true CN220475173U (en) | 2024-02-09 |
Family
ID=89797445
Family Applications (1)
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| CN202321878240.2U Active CN220475173U (en) | 2023-07-17 | 2023-07-17 | Track traffic converter cabinet |
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| CN (1) | CN220475173U (en) |
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2023
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