CN220934681U - Plateau type direct current switch cabinet - Google Patents
Plateau type direct current switch cabinet Download PDFInfo
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- CN220934681U CN220934681U CN202322420967.2U CN202322420967U CN220934681U CN 220934681 U CN220934681 U CN 220934681U CN 202322420967 U CN202322420967 U CN 202322420967U CN 220934681 U CN220934681 U CN 220934681U
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- switch cabinet
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- 238000005192 partition Methods 0.000 claims abstract description 9
- 238000012360 testing method Methods 0.000 claims abstract description 8
- 238000009413 insulation Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 6
- 230000002411 adverse Effects 0.000 abstract description 4
- 238000004880 explosion Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model relates to a plateau type direct current switch cabinet, which comprises a cabinet body, a plateau type direct current breaker, a partition plate and a circuit testing device, wherein the cabinet body is provided with an accommodating space, a front half cabinet and a rear half cabinet are formed in the accommodating space at intervals, the front half cabinet is provided with a breaker chamber, and the rear half cabinet is provided with a bus chamber; the plateau type direct current breaker is arranged in the breaker chamber and is used for carrying out overload protection and leakage protection on the circuit; the partition board is arranged in the bus chamber to divide the bus chamber into three mounting chambers from top to bottom; the circuit testing device comprises a resistor, a fuse and a contactor, wherein the resistor, the fuse and the contactor are electrically connected through a bus, and the resistor, the fuse and the contactor are respectively arranged in three mounting chambers, so that the resistor, the fuse and the contactor are arranged at intervals. The utility model can effectively improve the adverse conditions of the application of the plain DC switch cabinet in the plateau area and provide powerful guarantee for the safe and reliable operation of the rail transit power supply system in the high-altitude area.
Description
Technical Field
The utility model relates to the technical field of switch cabinets, in particular to a plateau type direct current switch cabinet.
Background
With the continuous development of rail traffic, more and more cities are built or planned with rail traffic projects, and many western high-altitude areas are added into the rail traffic construction in a dispute manner, and generally, areas with the altitude of more than 1000m are collectively called as high-altitude areas. The high-altitude area has a harsher natural climate condition, the air pressure and the air density are lower, the air temperature is lower, the temperature change is larger, and the absolute air humidity is small; the solar radiation illuminance is higher, the precipitation amount is less, the annual wind is more, the soil temperature is lower, and the freezing period is long. The high altitude area has a great influence on electrical products.
The patent CN207603071U is a direct current load switch cabinet for a rail transit direct current power supply system, a low-voltage chamber, a high-voltage chamber and a cable chamber are sequentially arranged in the switch cabinet from top to bottom, a mounting plate for mounting high-voltage components is arranged in the high-voltage chamber, a load switch is arranged above the mounting plate, the load switch comprises an arc extinguishing device, an emergency brake and a motor, the arc extinguishing device is electrically connected with the motor, an operation terminal for controlling the motor to be opened and closed is arranged at the far end, a wiring copper bar for being electrically connected with the high-voltage components is arranged below the arc extinguishing device, the load switch is electrically connected with the high-voltage components through the wiring copper bar, and the emergency brake is electrically connected with the arc extinguishing device.
The switch cabinet in the prior art is only applicable to plain zones, and the high-altitude areas have larger influence on electrical products and cannot be applicable to high-altitude areas.
Disclosure of utility model
In view of the foregoing, it is necessary to provide a plateau type dc switch cabinet to solve the technical problems that the switch cabinet in the prior art can only be applied to plain areas, but the high-altitude areas have a larger influence on electrical products and cannot be applied to high-altitude areas.
The utility model provides a plateau type direct current switch cabinet, which comprises:
the cabinet body is provided with an accommodating space, a front half cabinet and a rear half cabinet are formed in the accommodating space at intervals, the front half cabinet is provided with a breaker chamber, and the rear half cabinet is provided with a bus chamber;
The high-profile direct current circuit breaker is arranged in the circuit breaker chamber and is electrically connected with other electrical components in the cabinet body, and the high-profile direct current circuit breaker is used for carrying out overload protection and leakage protection on a circuit;
the partition plate is arranged in the bus chamber so as to divide the bus chamber into three mounting chambers from top to bottom;
The circuit testing device comprises a resistor, a fuse and a contactor, wherein the resistor, the fuse and the contactor are electrically connected through a bus, and the resistor, the fuse and the contactor are respectively arranged in three mounting chambers, so that the resistor, the fuse and the contactor are arranged at intervals.
Alternatively, the plateau-type dc circuit breaker provides a direct instantaneous over-current trip and an indirect quick trip.
Optionally, the holding mode of the plateau type direct current breaker is magnetic holding mode or electric holding mode.
Optionally, the plateau type direct current switch cabinet further comprises a first insulating cover, wherein the first insulating cover is arranged on the periphery of the fixed contact of the plateau type direct current breaker in a covering mode, and the first insulating cover is used for insulating and sealing the fixed contact.
Optionally, the plateau type direct current switch cabinet further comprises an insulating sleeve, and the insulating sleeve is sleeved on the periphery of the bus.
Optionally, the plateau type direct current switch cabinet further comprises a bus bar and an insulation box, wherein the bus bar is arranged in the bus bar chamber, the bus bar is electrically connected with the bus bar, and the insulation box is covered on the bus bar and is used for insulating and sealing the bus bar.
Optionally, the plateau type direct current switch cabinet further comprises an arc extinguishing chamber, and the arc extinguishing chamber is arranged on the upper side of the plateau type direct current breaker.
Optionally, the plateau type direct current breaker is provided with two handcart moving contacts, the two handcart moving contacts are arranged at intervals from top to bottom, and the distance between the two handcart moving contacts is 50mm.
Optionally, the separator is an insulating plate.
Optionally, the resistor, the fuse and the contactor are sequentially arranged from top to bottom.
Compared with the prior art, the plateau type direct current switch cabinet provided by the utility model has the advantages that the accommodating space is formed in the cabinet body, the front half cabinet and the rear half cabinet are formed at intervals, the front half cabinet is provided with the circuit breaker chamber, the rear half cabinet is provided with the bus chamber, the plateau type direct current circuit breaker is arranged in the circuit breaker chamber, the partition board is arranged in the bus chamber, so that the bus chamber is divided into three mounting chambers from top to bottom, the resistor, the fuse and the contactor are respectively arranged in the three mounting chambers, the resistor, the fuse and the contactor are arranged at intervals, the circuit breaker in the plateau type direct current switch cabinet is arranged as the plateau type direct current circuit breaker, the resistor, the fuse and the contactor are arranged at intervals, the adverse condition of the application of the plateau type direct current switch cabinet in a plateau area can be effectively improved, the safe and reliable operation of a rail transit power supply system in the plateau area is provided, the plateau type direct current switch cabinet can be applied to the plateau area through the local reconstruction of the plateau type direct current switch cabinet and the replacement of part of electrician products, the plateau type direct current switch cabinet is prevented from being additionally designed and the plateau type direct current switch cabinet is reduced, the altitude efficiency is improved, and the production cost is improved.
The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and its details set forth in the accompanying drawings. Specific embodiments of the present utility model are given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a schematic diagram of an embodiment of a plateau type DC switch cabinet according to the present utility model;
FIG. 2 is an enlarged schematic view of a portion A of FIG. 1;
FIG. 3 is a perspective view of the plateau type DC switch cabinet of FIG. 1 from another perspective;
FIG. 4 is a left side cross-sectional view of the plateau type DC switch cabinet of FIG. 1;
FIG. 5 is a front view of the plateau type DC switch cabinet of FIG. 1;
FIG. 6 is a partial schematic view of the plateau type DC switch cabinet of FIG. 5;
FIG. 7 is a left side view of the plateau-type DC breaker portion of FIG. 1;
fig. 8 is a left side view of the plateau type dc circuit breaker and arc chute of fig. 1.
Reference numerals illustrate:
1-cabinet body, 11-first half cabinet, 111-circuit breaker room, 12-second half cabinet, 121-busbar room, 2-plateau type direct current breaker, 21-handcart moving contact, 22-stationary contact, 3-baffle, 4-circuit testing arrangement, 41-resistance, 42-fuse, 43-contactor, 5-first insulating boot, 6-busbar, 7-insulating box, 8-explosion cover.
Detailed Description
The following detailed description of preferred embodiments of the utility model is made in connection with the accompanying drawings, which form a part hereof, and together with the description of the embodiments of the utility model, are used to explain the principles of the utility model and are not intended to limit the scope of the utility model.
Referring to fig. 1 to 3, the plateau type dc switch cabinet includes a cabinet body 1, a plateau type dc breaker 2, a partition board 3 and a line testing device 4, the cabinet body 1 is provided with an accommodating space, a front half cabinet 11 and a rear half cabinet 12 are formed in an interval manner in the accommodating space, the front half cabinet 11 is provided with a breaker chamber 111, and the rear half cabinet 12 is provided with a bus bar chamber 121; the plateau type direct current breaker 2 is arranged in the breaker chamber 111, the plateau type direct current breaker 2 is electrically connected with other electrical components in the cabinet body 1, and the plateau type direct current breaker 2 is used for carrying out overload protection and leakage protection on a circuit; the partition plate 3 is arranged in the bus bar chamber 121 to divide the bus bar chamber 121 into three mounting chambers from top to bottom; the circuit testing device 4 comprises a resistor 41, a fuse 42 and a contactor 43, wherein the resistor 41, the fuse 42 and the contactor 43 are electrically connected through a bus, and the resistor 41, the fuse 42 and the contactor 43 are respectively arranged in three mounting chambers, so that the resistor 41, the fuse 42 and the contactor 43 are arranged at intervals.
According to the plateau type direct current switch cabinet provided by the utility model, the cabinet body 1 is provided with the accommodating space, the front half cabinet 11 and the rear half cabinet 12 are formed in an interval manner, the front half cabinet 11 is provided with the circuit breaker chamber 111, the rear half cabinet 12 is provided with the bus chamber 121, the plateau type direct current circuit breaker 2 is arranged in the circuit breaker chamber 111, the partition plate 3 is arranged in the bus chamber 121 so as to divide the bus chamber 121 into three mounting chambers from top to bottom, the resistor 41, the fuse 42 and the contactor 43 are respectively arranged in the three mounting chambers, so that the resistor 41, the fuse 42 and the contactor 43 are arranged at intervals, the circuit breaker in the plateau type direct current switch cabinet is arranged as the plateau type direct current circuit breaker 2, and the resistor 41, the fuse 42 and the contactor 43 are arranged at intervals, so that adverse conditions of application of the plateau type direct current switch cabinet in a plateau area can be effectively improved, effective guarantee is provided for safe and reliable operation of a rail transit power supply system in a high altitude area, and the extra high design and development efficiency is avoided by partially reforming the plateau type direct current switch cabinet and replacing part of electrical products.
It should be noted that, the circuit testing device 4 is in the prior art, and the connection of the electrical components therein is in the prior art. In this embodiment, only the positions of the resistor 41, the fuse 42 and the contactor 43 are adjusted accordingly, and the specific electrical connection relationship is unchanged.
Further, the plateau type direct current switch cabinet is an indoor switch cabinet, has a metal closed structure with standard protection level, and is composed of a series of standardized units, and the standardized units are combined into different basic cells according to design requirements: the breaker chamber 111, the low-voltage chamber, the bus bar chamber 121, and the external terminal chamber are provided with an operation device, a control element, a measurement element, a protection element, a bus bar, a power supply, an auxiliary connection, and the like in these standardized units, and are also provided with various transfer switches and interface devices necessary for data transmission and necessary for realizing remote monitoring, which are all prior art and are not described herein.
Further, in the present embodiment, the plateau-type dc breaker 2 provides a direct instantaneous overcurrent trip and an indirect quick trip.
Further, in the present embodiment, the holding mode of the plateau-type dc breaker 2 is a magnetic holding mode or an electric holding mode.
Further, referring to fig. 1 to 4, in this embodiment, the plateau type dc switch cabinet further includes a first insulating cover 5, where the first insulating cover 5 is covered on the outer periphery of the fixed contact 22 of the plateau type dc circuit breaker 2, and the first insulating cover 5 is used to perform insulating sealing on the fixed contact 22. Specifically, still be equipped with the mounting panel of vertical extension in the cabinet body 1, plateau type direct current breaker 2 is equipped with stationary contact 22, stationary contact 22's rear end is located on the mounting panel, stationary contact 22's front end still is equipped with the busbar, first insulating boot 5 install in on the mounting panel, and first insulating boot 5 is equipped with along the cover chamber that the front and back is to link up, stationary contact 22 locates cover intracavity, just first insulating boot 5's front end with busbar butt. By the arrangement, the static contact 22 can be positioned in the insulating and closed space, and the insulativity is improved.
Further, the plateau type direct current switch cabinet further comprises an insulating sleeve, and the insulating sleeve is sleeved on the periphery of the bus. The insulation sleeve is sleeved on the periphery of the bus, so that the insulativity of the bus is improved.
Specifically, the insulating sleeve is a 10 kV-level rubber insulating heat-shrinkable sleeve.
Further, referring to fig. 2 to 3, the plateau type dc switch cabinet further includes a busbar 6 and an insulation box 7, the busbar 6 is disposed in the busbar chamber 121, the busbar 6 is electrically connected to the busbar, and the insulation box 7 is covered on the busbar 6 and is used for insulating and sealing the busbar 6.
Further, referring to fig. 7 to 8, the plateau type dc switch cabinet further includes an arc extinguishing chamber 8, and the arc extinguishing chamber 8 is disposed on the upper side of the plateau type dc circuit breaker 2. The size of current explosion chamber is length 606mm width 395mm, in this embodiment, the size of explosion chamber 8 is 632mm width 476.4mm for length, and plateau type direct current quick breaker explosion chamber 8 is bigger than the explosion chamber size of conventional direct current quick breaker, can adapt to high altitude area.
Further, referring to fig. 7 to 8, in the present embodiment, the plateau type dc breaker 2 has two handcart moving contacts 21, the two handcart moving contacts 21 are disposed at intervals from top to bottom, and the distance between the two handcart moving contacts 21 is 50mm.
Further, in order to improve the insulation property, in the present embodiment, the separator 3 is an insulating plate.
Further, referring to fig. 4 to 6, the arrangement positions of the resistor 41, the fuse 42 and the contactor 43 are not limited, and in this embodiment, the resistor 41, the fuse 42 and the contactor 43 are sequentially arranged from top to bottom. So set up, the convenient wiring is connected.
According to the utility model, the circuit breaker is replaced by the plateau type direct current circuit breaker 2, the bus chamber 121 is divided into three mounting chambers from top to bottom, the resistor 41, the fuse 42 and the contactor 43 are correspondingly arranged in the three mounting chambers one by one, so that the resistor 41, the fuse 42 and the contactor 43 are arranged at intervals from top to bottom, and meanwhile, insulation devices are additionally arranged on the bus, the handcart moving contact 21, the fixed contact 22 and the bus bar 6, and through optimization of the main component selection and the structural design of the cabinet body 1, and the insulation fit of elements in the cabinet is integrally improved, meanwhile, the electric gap is increased, the application adverse condition of the plateau type direct current switch cabinet in a plateau area is effectively improved, and a powerful guarantee is provided for safe and reliable operation of a rail transit power supply system in a high-altitude area.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model.
Claims (10)
1. A plateau type dc switch cabinet, characterized in that it comprises:
the cabinet body is provided with an accommodating space, a front half cabinet and a rear half cabinet are formed in the accommodating space at intervals, the front half cabinet is provided with a breaker chamber, and the rear half cabinet is provided with a bus chamber;
The high-profile direct current circuit breaker is arranged in the circuit breaker chamber and is electrically connected with other electrical components in the cabinet body, and the high-profile direct current circuit breaker is used for carrying out overload protection and leakage protection on a circuit;
the partition plate is arranged in the bus chamber so as to divide the bus chamber into three mounting chambers from top to bottom;
The circuit testing device comprises a resistor, a fuse and a contactor, wherein the resistor, the fuse and the contactor are electrically connected through a bus, and the resistor, the fuse and the contactor are respectively arranged in three mounting chambers, so that the resistor, the fuse and the contactor are arranged at intervals.
2. The plateau type dc switch cabinet of claim 1, wherein the plateau type dc circuit breaker provides a direct instantaneous overcurrent trip and an indirect quick trip.
3. The plateau type dc switch cabinet according to claim 2, wherein the plateau type dc circuit breaker is held in a magnetic holding type or an electric holding type.
4. The plateau type direct current switch cabinet of claim 1, further comprising a first insulating cover, wherein the first insulating cover is arranged on the periphery of a fixed contact of the plateau type direct current breaker, and the first insulating cover is used for insulating and sealing the fixed contact.
5. The plateau type dc switch cabinet of claim 4, further comprising an insulating sleeve, the insulating sleeve being sleeved on the outer periphery of the bus bar.
6. The plateau type direct current switch cabinet of claim 5, further comprising a bus bar and an insulation box, wherein the bus bar is arranged in the bus bar chamber, the bus bar is electrically connected with the bus bar, and the insulation box is covered in the bus bar and is used for insulating and sealing the bus bar.
7. The plateau type dc switch cabinet of claim 1, further comprising an arc chute provided on an upper side of the plateau type dc circuit breaker.
8. The plateau type direct current switch cabinet according to claim 1, wherein the plateau type direct current breaker has two handcart moving contacts, two said handcart moving contacts are arranged at intervals from top to bottom, and the interval between two said handcart moving contacts is 50mm.
9. The plateau type dc switch cabinet of claim 1, wherein the partition plate is an insulating plate.
10. The plateau type dc switch cabinet of claim 1, wherein the resistor, the fuse, and the contactor are sequentially arranged from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322420967.2U CN220934681U (en) | 2023-09-06 | 2023-09-06 | Plateau type direct current switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322420967.2U CN220934681U (en) | 2023-09-06 | 2023-09-06 | Plateau type direct current switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220934681U true CN220934681U (en) | 2024-05-10 |
Family
ID=90962674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322420967.2U Active CN220934681U (en) | 2023-09-06 | 2023-09-06 | Plateau type direct current switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220934681U (en) |
-
2023
- 2023-09-06 CN CN202322420967.2U patent/CN220934681U/en active Active
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