CN211266140U - Subway high-voltage electrical appliance box - Google Patents
Subway high-voltage electrical appliance box Download PDFInfo
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- CN211266140U CN211266140U CN202020030104.8U CN202020030104U CN211266140U CN 211266140 U CN211266140 U CN 211266140U CN 202020030104 U CN202020030104 U CN 202020030104U CN 211266140 U CN211266140 U CN 211266140U
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Abstract
The utility model provides a subway high-voltage electrical box, including the box, the box includes door plant and side board, still includes draw gear, workshop power mode conversion equipment, auxiliary device and battery draw gear, draw gear sets up in the right side region of box, workshop power mode conversion equipment sets up in the middle zone of box, auxiliary device sets up in the left side region of box, battery draw gear sets up on the side board of box; subway high-voltage electrical apparatus case compact structure, rationally distributed, the integrated level is high, can realize pulling, supplementary, change over switch and the battery pulls the main circuit protection in the aspect of in finite space, accords with pulling equipment's high integrated development demand, reduces the box type, reduction in production cost, convenient centralized maintenance, maintenance.
Description
Technical Field
The utility model relates to a rail transit pulls technical field, and more specifically says, relates to a subway high-voltage apparatus case.
Background
Subways are taken as important transportation means in urban rail transit, and are more and more emphasized by various cities, and the requirements on subway vehicle traction equipment are increased. The high-voltage electrical box is used as an important component of a metro vehicle traction system and undertakes the work of protection, detection, charge and discharge of a support capacitor, system grounding, power mode conversion and the like of a main loop of the system. In the prior art, the system functions are realized through a plurality of box devices, the system integration level is not high, the size is large, more layout space under a vehicle is occupied, the weight is increased, more external cables and control lines are required to be lapped, the production and maintenance cost is increased, and the compatibility, stability and reliability of the system are also reduced.
In view of this, it is necessary to provide a new subway high-voltage electrical box, which has a compact structure, a high integration level, a reasonable layout, convenient docking, and convenient maintenance and repair.
SUMMERY OF THE UTILITY MODEL
In view of the above technical problem, the utility model provides a new subway high-voltage electrical apparatus case, this subway high-voltage electrical apparatus case compact structure, integrated level are higher, and rationally distributed butt joint is convenient, is convenient for maintain and overhaul.
In order to achieve the above object, the utility model discloses a technical scheme be:
the utility model provides a subway high-voltage electrical apparatus case, includes the box, the box includes door plant and side board, still includes draw gear, workshop power mode conversion equipment, auxiliary device and battery draw gear, draw gear sets up the right side region of box, workshop power mode conversion equipment sets up the middle zone of box, auxiliary device sets up the left side region of box, battery draw gear sets up on the side board of box.
Preferably, the high-voltage power supply device further comprises a high-voltage inlet and outlet wire end, a top plate and a partition plate, wherein the high-voltage inlet and outlet wire end is arranged on the top plate of the box body.
Preferably, the traction device comprises a main contactor unit, a main breaker unit and a pre-charging unit, wherein the main contactor unit and the main breaker unit are arranged at the bottom of the right area of the box body, and the pre-charging unit is arranged on the side panel on the right side of the box body; the main contactor unit and the main breaker unit are connected through a copper bar, and the main contactor unit and the main breaker unit are respectively connected with the high-voltage inlet/outlet wire end through the copper bar.
Preferably, a protective cover is arranged outside the main circuit breaker unit, a guide rail is arranged on the protective cover, and the main circuit breaker unit is connected with the box body in a sliding mode through the guide rail of the protective cover.
Preferably, the workshop power mode conversion device comprises a conversion switch unit, a bus contactor unit and a main fuse unit; the change-over switch unit is arranged in the middle of the side panel on the front side of the box body, and a handle of the change-over switch unit is exposed out of the side panel on the front side; the bus contactor unit is arranged on one side of the change-over switch unit and is positioned at the bottom of the box body; the main fuse unit is arranged on the rear side of the change-over switch unit and is positioned on a partition plate of the box body; the bus contactor unit reaches main fuse unit one end respectively through the copper bar with high pressure business turn over line end connection, the bus contactor unit reaches the main fuse unit other end respectively through the copper bar with the change over switch unit is connected.
Preferably, the side panel of the front side of the box body is provided with a groove, and the handle of the change-over switch unit is arranged in the groove.
Preferably, the auxiliary device includes an auxiliary bus contactor unit and an auxiliary fuse unit; the auxiliary bus contactor unit is arranged at the bottom of the left area of the box body; the auxiliary fuse unit is installed on a partition plate and a left side panel of the box body, respectively, and the auxiliary fuse unit is electrically insulated from the box body by an insulator.
Preferably, the battery traction device includes a battery traction contactor unit provided on the side panel on the left side of the case.
Preferably, the auxiliary device further comprises a first diode and a resistor, the battery traction device further comprises a second diode, and the first diode, the resistor and the second diode are mounted on the inner side of the side panel on the left side of the box body;
the subway high-voltage electrical box further comprises radiating fins, and the radiating fins are arranged on the outer side of the side panel on the left side of the box body.
Preferably, the box body further comprises a control device and a control line inlet and outlet wire end, wherein the control device and the control line inlet and outlet wire end are installed on the side panel of the box body.
Compared with the prior art, the utility model discloses an advantage lies in with positive effect:
1. subway high-voltage electrical apparatus case compact structure, rationally distributed, the integrated level is high, can realize pulling, supplementary, change over switch and the battery pulls the main circuit protection in the aspect of in finite space, accords with pulling equipment's high integrated development demand, reduces the box type, reduction in production cost, convenient centralized maintenance, maintenance.
2. Subway high-voltage electrical apparatus case box adopts aluminum alloy frame welding, panel riveting form, and intensity is high, light in weight, and equipment simple process improves production efficiency, reduces the disqualification rate, practices thrift the cost, also satisfies the lightweight requirement of pulling equipment simultaneously.
3. Subway high-voltage electrical apparatus case each functional unit installation mutual independence has realized that the modularization is categorised, and equipment, dismantlement are convenient, improve production efficiency and overhaul, maintenance efficiency, reduction production and maintenance cost.
4. Subway high-voltage electrical apparatus case has higher compatibility, and each functional partitioning is clear and definite, clear, reasonable, reduces the maloperation rate, and high tension cable separately walks the line with control scheme simultaneously, reduces high tension circuit to control circuit's electromagnetic interference, and the stability and the reliability of system are strengthened.
Drawings
FIG. 1 is the structure schematic diagram of the utility model discloses subway high-voltage electrical apparatus case
FIG. 2 is the inside section schematic diagram of subway high-voltage electrical apparatus case
FIG. 3 is a schematic sectional view taken along line A-A of FIG. 1
FIG. 4 is a schematic sectional view taken along line B-B of FIG. 1
In the above figures: 11. a main contactor unit; 12. a main breaker unit; 13. a precharge unit; 131. a pre-charge resistor; 132. a charging contactor; 21. a changeover switch unit; 22. a bus contactor unit; 23. a main fuse unit; 31. an auxiliary bus contactor unit; 32. an auxiliary fuse unit; 33. a first diode; 34. a resistance; 41. a battery traction contactor unit; 42. a second diode; 51. a control device; 52. a control line inlet and outlet terminal; 6. a high-voltage inlet/outlet terminal; 7. a box body; 8. a door panel; 9. and a heat sink.
Detailed Description
The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
In the present invention, it should be noted that the terms "first", "second" and "third" are used for descriptive purposes only and are used for convenience of description and for simplicity of description, and therefore should not be construed as limiting the invention and indicating or implying relative importance.
As shown in fig. 1 to 4, the subway high-voltage electrical box comprises a box body 7, wherein the box body 7 comprises a door plate 8 and a side panel, and further comprises a traction device, a workshop power mode conversion device, an auxiliary device and a storage battery traction device, the traction device is arranged in the right area of the box body 7, the workshop power mode conversion device is arranged in the middle area of the box body 7, the auxiliary device is arranged in the left area of the box body 7, and the storage battery traction device is arranged on the side panel of the box body 7.
Subway high-voltage electrical apparatus case compact structure, rationally distributed, the integrated level is high, can realize pulling, supplementary, change over switch and the battery pulls the aspect of the main circuit protection in limited space, accords with pulling equipment's high integrated development demand, reduces box 7 types, reduction in production cost, convenient centralized maintenance, maintenance.
Preferably, the door plant 8 with box 7 is through articulated or bolt fixed connection, box 7 reaches the door plant 8 material is the aluminum alloy, door plant 8 follows the length direction of box 7 is provided with a plurality ofly, for the maintenance requirement that adapts to different devices, door plant 8 size, shape are different, are convenient for to the equipment and the maintenance of subway high-voltage electrical apparatus case, box 7 is frame welding, panel riveting form, improves packaging efficiency and yield, reduction in production cost, realizes the lightweight design.
Furthermore, the high-voltage power supply device also comprises a high-voltage inlet and outlet terminal 6, a top plate and a partition plate, wherein the high-voltage inlet and outlet terminal 6 is arranged on the top plate of the box body 7; preferably, the top plate and the partition plate may also be made of an aluminum alloy, and the material of the top plate and the partition plate is not particularly limited in this embodiment.
Specifically, the traction device comprises a main contactor unit 11, a main breaker unit 12 and a pre-charging unit 13, wherein the main contactor unit 11 and the main breaker unit 12 are arranged at the bottom of the right area of the box body 7, and the pre-charging unit 13 is arranged on the side panel on the right side of the box body 7; the main contactor unit 11 and the main breaker unit 12 are connected through a copper bar and the two are respectively connected with the high-voltage inlet/outlet terminal 6 through a copper bar, wherein the pre-charging unit 13 is composed of a pre-charging resistor 131 and a pre-charging contactor 132.
Preferably, a protective cover is arranged outside the main circuit breaker unit 12, a guide rail is arranged on the protective cover, the main circuit breaker unit 12 is connected with the box body 7 in a sliding mode through the guide rail of the protective cover, and the main circuit breaker unit 12 can be pushed and pulled out of the box body 7 under the condition that a plurality of fixed connections on the periphery of the main circuit breaker unit 12 are not detached, so that checking of the high-speed circuit breaker is achieved, maintenance time of workers is shortened, and overhauling efficiency is improved.
Specifically, the workshop power mode switching device comprises a change-over switch unit 21, a bus contactor unit 22 and a main fuse unit 23; the change-over switch unit 21 is arranged in the middle of the side panel at the front side of the box body 7, and the handle of the change-over switch unit 21 is exposed out of the side panel at the front side; the bus contactor unit 22 is arranged on one side of the change-over switch unit 21 and is positioned at the bottom of the box body 7; the main fuse unit 23 is arranged at the rear side of the change-over switch unit 21 and on a partition plate of the box body 7; one end of the bus contactor unit 22 and one end of the main fuse unit 23 are respectively connected with the high-voltage inlet and outlet wire end 6 through copper bars, and the other end of the bus contactor unit and the other end of the main fuse unit 23 are respectively connected with the change-over switch unit 21 through copper bars, so that the connection path of the copper bars is reduced; the change-over switch unit 21 has the function of power mode change-over and is arranged in the middle of the box body 7, so that the maintenance of personnel is facilitated; preferably, the change-over switch unit 21 is a 4-level change-over switch, has a compact design and a small space occupation, and can realize three switch modes of a workshop power supply, a grounding switch and a current collector for subway traction.
Preferably, the side panel at the front side of the box body 7 is provided with a groove, and the handle of the change-over switch unit 21 is arranged in the groove; the handle of the change-over switch unit 21 is exposed out of the box body 7 and is recessed in the box body 7, so that the door plate 8 of the box body 7 does not need to be opened, direct operation of personnel is facilitated, and the overhauling efficiency is improved; the collision condition caused by the fact that the handle protrudes out of the box body 7 can be avoided.
Specifically, the auxiliary device includes an auxiliary bus contactor unit 31 and an auxiliary fuse unit 32; the auxiliary bus bar contactor unit 31 is arranged at the bottom of the left side area of the box body 7; the auxiliary fuse unit 32 is mounted on a partition plate of the case 7 and the side panel on the left side thereof, respectively, and the auxiliary fuse unit 32 is electrically insulated from the case 7 by an insulator.
Specifically, the battery traction device includes a battery traction contactor unit 41, and the battery traction contactor unit 41 is provided on the side panel on the left side of the case 7.
Specifically, the auxiliary device further comprises a first diode 33 and a resistor 34, the battery traction device further comprises a second diode 42, and the first diode 33, the resistor 34 and the second diode 42 are mounted inside the side panel on the left side of the box 7; the subway high-voltage electrical appliance box further comprises a radiating fin 9, wherein the radiating fin 9 is installed on the outer side of the side panel on the left side of the box body 7, so that the first diode 33, the second diode 42 and the resistor 34 can be rapidly radiated; the first diode 33, the second diode 42 and the resistor 34 share one heat sink 9, so that the utilization rate of the heat sink 9 is improved, and the installation space and the production cost are greatly saved.
Further, the subway high-voltage electric box comprises a control device 51 and a control line inlet and outlet wire end 52, wherein the control device 51 and the control line inlet and outlet wire end 52 are installed on the side panel of the box body 7, signal data of high-voltage electric box devices can be conveniently acquired, and the control line inlet and outlet wire end 52 is an external control signal interface of the subway high-voltage electric box and is installed near the control device 51, so that signal interference is reduced.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. The invention is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (10)
1. The utility model provides a subway high-voltage electrical apparatus case, includes the box, the box includes door plant and side board, its characterized in that: the power supply system is characterized by further comprising a traction device, a workshop power supply mode conversion device, an auxiliary device and a storage battery traction device, wherein the traction device is arranged in the right side area of the box body, the workshop power supply mode conversion device is arranged in the middle area of the box body, the auxiliary device is arranged in the left side area of the box body, and the storage battery traction device is arranged on a side panel of the box body.
2. The subway high-voltage electrical box of claim 1, characterized in that: the high-voltage inlet and outlet wire end is arranged on the top plate of the box body.
3. The subway high-voltage electrical box of claim 2, characterized in that: the traction device comprises a main contactor unit, a main breaker unit and a pre-charging unit, wherein the main contactor unit and the main breaker unit are arranged at the bottom of the right area of the box body, and the pre-charging unit is arranged on the side panel on the right side of the box body; the main contactor unit and the main breaker unit are connected through a copper bar, and the main contactor unit and the main breaker unit are respectively connected with the high-voltage inlet/outlet wire end through the copper bar.
4. A subway high-voltage electrical box as claimed in claim 3, wherein: the main circuit breaker unit is provided with the safety cover outward, be provided with the guide rail on the safety cover, the main circuit breaker unit passes through the guide rail of safety cover with box sliding connection.
5. The subway high-voltage electrical box of claim 2, characterized in that: the workshop power mode conversion device comprises a conversion switch unit, a bus contactor unit and a main fuse unit; the change-over switch unit is arranged in the middle of the side panel on the front side of the box body, and a handle of the change-over switch unit is exposed out of the side panel on the front side; the bus contactor unit is arranged on one side of the change-over switch unit and is positioned at the bottom of the box body; the main fuse unit is arranged on the rear side of the change-over switch unit and is positioned on a partition plate of the box body; the bus contactor unit reaches main fuse unit one end respectively through the copper bar with high pressure business turn over line end connection, the bus contactor unit reaches the main fuse unit other end respectively through the copper bar with the change over switch unit is connected.
6. The subway high-voltage electrical box of claim 5, characterized in that: the side panel of the front side of the box body is provided with a groove, and a handle of the change-over switch unit is arranged in the groove.
7. The subway high-voltage electrical box of claim 2, characterized in that: the auxiliary device comprises an auxiliary bus contactor unit and an auxiliary fuse unit; the auxiliary bus contactor unit is arranged at the bottom of the left area of the box body; the auxiliary fuse unit is respectively installed on a partition plate and a left side panel of the box body, and the auxiliary fuse unit is electrically insulated from the box body through an insulator.
8. The subway high-voltage electrical box of claim 7, characterized in that: the battery traction device comprises a battery traction contactor unit which is arranged on the side panel on the left side of the box body.
9. The subway high-voltage electrical box of claim 8, characterized in that: the auxiliary device further comprises a first diode and a resistor, the storage battery traction device further comprises a second diode, and the first diode, the resistor and the second diode are mounted on the inner side of the side panel on the left side of the box body;
the subway high-voltage electrical box further comprises radiating fins, and the radiating fins are arranged on the outer side of the side panel on the left side of the box body.
10. A subway high-voltage electrical box as claimed in any one of claims 1 to 9, wherein: the box body is characterized by further comprising a control device and a control line inlet and outlet end, wherein the control device and the control line inlet and outlet end are installed on the side panel of the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020030104.8U CN211266140U (en) | 2020-01-07 | 2020-01-07 | Subway high-voltage electrical appliance box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020030104.8U CN211266140U (en) | 2020-01-07 | 2020-01-07 | Subway high-voltage electrical appliance box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211266140U true CN211266140U (en) | 2020-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020030104.8U Active CN211266140U (en) | 2020-01-07 | 2020-01-07 | Subway high-voltage electrical appliance box |
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| Country | Link |
|---|---|
| CN (1) | CN211266140U (en) |
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2020
- 2020-01-07 CN CN202020030104.8U patent/CN211266140U/en active Active
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