CN216624913U - Shore bridge high-voltage switch cabinet with pressure relief function - Google Patents
Shore bridge high-voltage switch cabinet with pressure relief function Download PDFInfo
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- CN216624913U CN216624913U CN202123075184.2U CN202123075184U CN216624913U CN 216624913 U CN216624913 U CN 216624913U CN 202123075184 U CN202123075184 U CN 202123075184U CN 216624913 U CN216624913 U CN 216624913U
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Abstract
The utility model discloses a shore bridge high-voltage switch cabinet with a pressure relief function, which comprises a high-voltage cabinet body and a pressure relief channel communicated with the interior of the high-voltage cabinet body; the pressure relief channel penetrates through the machine room wall and extends out of the power distribution machine room, and the pressure relief channel comprises a fixed sleeve communicated with the high-voltage cabinet body, a first pipeline communicated with the fixed sleeve and a second pipeline communicated with the first pipeline; the fixed sleeve is fixed at the top of the high-voltage cabinet body; the end part of the second pipeline penetrates through the machine room wall to be fixed at the tail end of the first pipeline, the second channel is arranged in a horn mouth shape, and a protection device is arranged at the tail end of the second pipeline. According to the utility model, the pressure relief channel extending to the outdoor is arranged on the high-voltage cabinet body, so that the internal pressure of the high-voltage cabinet body is released by the discharged gas, effective pressure relief is realized, the safety of operators is ensured, and the high-voltage cabinet is prevented from being damaged.
Description
Technical Field
The utility model belongs to the field of high-voltage switch cabinets, and relates to a shore bridge high-voltage switch cabinet with a pressure relief function.
Background
The shore bridge high-voltage switch cabinet is mainly used for opening and closing in the power generation, transmission, distribution and electric energy conversion processes of a power system, and controlling and protecting electric equipment. Arcing faults of switch cabinets are now one of the most common and most harmful accidents in power systems. In the operation process of the high-voltage switch cabinet, a primary circuit short circuit fault is caused by various reasons (such as short circuit, insulation aging, manual misoperation and the like), high-temperature high-pressure gas is generated instantly under the short circuit current of tens of thousands of amperes, if the high-temperature high-pressure gas cannot be effectively released in a short time in a narrow cabinet body, the switch cabinet can be cracked, adjacent switch cabinets are damaged, and the personal safety can be injured.
In the prior art, a pressure relief mode of a shore bridge high-voltage switch cabinet is self-suction, but in the actual use process of the high-voltage switch cabinet, a pressure relief cover is often closed due to the fact that the pressure relief cover cannot be fully opened or opened and then rebounds instantly, so that ventilation and heat dissipation of a main bus bar are not facilitated, condensation is easily generated, the indoor arcing fault pressure relief effect of the main bus bar is poor, and the expected pressure relief effect is affected; on the other hand also can cause the influence to the surrounding environment during the pressure release, open the back when inhaling formula pressure release lid, from the high-pressure gas of pressure release mouth release, red-hot particulate matter is directly discharged around the cabinet body and does not have effective guide, causes the influence to equipment personnel around the computer lab very easily, for example pollutes the peripheral medium voltage transformer of computer lab high-voltage board, main motor equipment, computer lab ceiling etc to cause the secondary accident.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a shore bridge high-voltage switch cabinet with a pressure relief function.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a shore bridge high-voltage switch cabinet with a pressure relief function, which comprises a high-voltage cabinet body and a pressure relief channel communicated with the interior of the high-voltage cabinet body; the pressure relief channel penetrates through the wall of the machine room and extends out of the power distribution machine room, and the pressure relief channel comprises a fixed sleeve communicated with the high-voltage cabinet body, a first pipeline communicated with the fixed sleeve and a second pipeline communicated with the first pipeline; the fixed sleeve is fixed at the top of the high-voltage cabinet body; the tip of second pipeline passes the computer lab wall to be fixed first pipeline is terminal, the second passageway is horn mouth form setting, the end of second pipeline is equipped with protector.
Preferably, the guard is a mesh sealing plate.
Preferably, the guard is a clamshell grid window.
Preferably, the end of the second pipeline is provided with a baffle plate which inclines downwards.
The bank bridge high-voltage switch cabinet with the pressure relief function has the beneficial effects that:
1. according to the shore bridge high-voltage switch cabinet with the pressure relief function, the pressure relief channel extending out of the power distribution machine room is arranged at the top of the high-voltage cabinet body, so that the internal pressure of the high-voltage cabinet body is released by the discharged gas, the safety of operators is guaranteed, and the high-voltage cabinet is prevented from being damaged;
2. according to the shore bridge high-voltage switch cabinet with the pressure relief function, the grid sealing plate or the flip type grid window and other protection devices are adopted at the tail end of the pressure relief channel, so that the whole channel is kept in a sealing state under the safety condition, the IP grade is ensured, and foreign objects are prevented from entering the interior of the high-voltage switch cabinet through the pressure relief channel.
Drawings
Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural diagram of a shore bridge high-voltage switch cabinet with a pressure relief function according to the utility model;
fig. 2 is a top view of the shore bridge high-voltage switch cabinet with pressure relief function according to the utility model;
fig. 3 is a rear view of a shore bridge high-voltage switch cabinet with a pressure relief function according to the utility model;
FIG. 4 is a schematic view taken along line A-A of FIG. 3;
FIG. 5 is a schematic view of the exterior space of a power distribution room;
fig. 6 is a view from direction D of fig. 5.
Detailed Description
In order to better understand the technical scheme of the utility model, the technical scheme of the utility model is further explained by combining the embodiment.
In combination with the problems of the existing high-voltage switch cabinet, the bank bridge high-voltage switch cabinet with the pressure relief function adopts the pressure relief mode of the pressure relief channel, and when internal fault electric arcs occur, high-temperature and high-pressure gas is discharged to the outside of the power distribution machine room through the pressure relief channel, so that the integrity of the interior of the bank bridge high-voltage switch cabinet is better guaranteed, and the harm to workers is better avoided.
Referring to fig. 1, 2 and 3, the shore bridge high voltage switch cabinet with pressure relief function provided by the utility model comprises a high voltage cabinet body and a pressure relief channel communicated with the interior of the high voltage cabinet body 1; the pressure relief channel penetrates through the machine room wall 31 and extends out of the power distribution machine room 3, and the pressure relief channel comprises a fixed sleeve 21 communicated with the high-voltage cabinet body 1, a first pipeline 22 communicated with the fixed sleeve 21 and a second pipeline 23 communicated with the first pipeline 22; the fixed sleeve 21 is fixed at the top of the high-voltage cabinet body 1; the end of the second duct 23 is fixed to the end of the first duct 22 through the machine room wall 31, the second duct is flared, and the end of the second duct 23 is provided with a guard 25. In a specific embodiment, considering that the probability of touching by workers on the front cabinet door of the shore bridge high-voltage switch cabinet and the side surface of the high-voltage cabinet body 1 is relatively high, high temperature escaping in a mode and high-pressure gas damage the workers, a hole for installing a pressure relief channel is formed in the cabinet wall 31, wherein the size of the hole is formed according to the size of the pressure relief pipeline 2, for example, a hole with the width of 800 × 500 is formed, so that the pressure relief channel can conveniently penetrate through the cabinet wall 31 and extend to the outside of the power distribution machine room 3, specifically, the second pipeline 23 of the pressure relief channel penetrates through the hole in the cabinet wall 31, one end of the second pipeline is communicated with the first pipeline 22, the other end of the second pipeline is communicated with the outside of the power distribution machine room 3, after installation is completed, a gap between the second pipeline 23 and the cabinet wall 31 needs to be sealed, and foreign objects are prevented from entering the power distribution machine room 3 through the gap.
Referring to fig. 3 and 4, in a specific embodiment, the protection device 25 at the end of the second pipeline 23 is a grid sealing plate or a flip-type grid window, which facilitates the whole pressure relief channel to maintain a sealed state under a safe condition, thereby ensuring the IP level and preventing foreign objects from entering the interior of the shore bridge high-voltage switch cabinet through the pressure relief pipeline 2; when the flip-type grid window is adopted as the protection device 25, the tail end of the pressure relief pipeline 2 is convenient to open for maintenance and the like.
As shown in fig. 5 and 6, in a specific embodiment, since the high-voltage switch cabinet of the quayside crane uses the pressure relief channel to release high-temperature and high-pressure gas, when the high-voltage switch cabinet is used, an outlet of the pressure relief channel outside the power distribution machine room 3 needs to have certain safety region requirements, so that certain improvement needs to be performed on the external space of the power distribution machine room 3, for example, a rail 41 (see fig. 6) is arranged at the end of the upper beam 4 on the land side of the quayside crane to seal the external space, and meanwhile, it is ensured that no component is installed in the space below the pressure relief channel, and personnel are also prohibited from entering the external space; in addition, a downward inclined baffle 24 (see fig. 1 and 2) may be provided at the end of the second pipe 23 to ensure that the hot gas is diffused in the space below the pressure relief passage without causing injury or damage to personnel and equipment.
In summary, the shore bridge high-voltage switch cabinet with the pressure relief function provided by the utility model has the advantages that the pressure relief channel extending to the outside of the power distribution room is arranged at the top of the high-voltage cabinet body, so that the internal pressure of the high-voltage cabinet body is released by the discharged gas, the safety of operators is ensured, and the high-voltage cabinet is prevented from being damaged; this bank bridge high tension switchgear with pressure release function adopts protector such as net closing plate or flip formula net window at the pressure release passageway end, guarantees that whole passageway keeps encapsulated situation under the safe condition to guarantee the IP grade, prevent that foreign object from passing through pressure release passageway and getting into inside the high-tension cabinet.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above described embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (4)
1. A shore bridge high-voltage switch cabinet with a pressure relief function is characterized by comprising a high-voltage cabinet body and a pressure relief channel communicated with the interior of the high-voltage cabinet body; the pressure relief channel penetrates through the wall of the machine room and extends out of the power distribution machine room, and the pressure relief channel comprises a fixed sleeve communicated with the high-voltage cabinet body, a first pipeline communicated with the fixed sleeve and a second pipeline communicated with the first pipeline; the fixed sleeve is fixed at the top of the high-voltage cabinet body; the tip of second pipeline passes the computer lab wall to be fixed first pipeline is terminal, the second passageway is horn mouth form setting, the end of second pipeline is equipped with protector.
2. The shore bridge high voltage switchgear with pressure relief function according to claim 1, wherein said protection device is a grid sealing plate.
3. The shore bridge high voltage switchgear with pressure relief function according to claim 1, wherein said protection device is a flip-type grid window.
4. The shore bridge high voltage switchgear with pressure relief function according to claim 1, wherein a downward sloping baffle is provided at the end of said second pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123075184.2U CN216624913U (en) | 2021-12-09 | 2021-12-09 | Shore bridge high-voltage switch cabinet with pressure relief function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123075184.2U CN216624913U (en) | 2021-12-09 | 2021-12-09 | Shore bridge high-voltage switch cabinet with pressure relief function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216624913U true CN216624913U (en) | 2022-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123075184.2U Active CN216624913U (en) | 2021-12-09 | 2021-12-09 | Shore bridge high-voltage switch cabinet with pressure relief function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216624913U (en) |
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2021
- 2021-12-09 CN CN202123075184.2U patent/CN216624913U/en active Active
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