CN216624915U

CN216624915U - Overhead cable inlet wire high-voltage board

Info

Publication number: CN216624915U
Application number: CN202123197960.6U
Authority: CN
Inventors: 张琪; 高庆; 彭秋明; 李盛进
Original assignee: Jiangxi Taihao Intelligent Power Technology Co ltd
Current assignee: Jiangxi Taihao Intelligent Power Technology Co ltd
Priority date: 2021-12-18
Filing date: 2021-12-18
Publication date: 2022-05-27
Anticipated expiration: 2031-12-18

Abstract

The application discloses an overhead cable inlet high-voltage cabinet, which is characterized in that pressure relief plates are arranged on the front side and the rear side of a pressure relief box, the upper side surface of the pressure relief box is provided with the wire inlet hole, the cable is led into the cabinet body from the wire inlet hole at the upper side, the pressure relief plate can be opened from the front side and the rear side when opened, interference between the pressure relief plate and the cable is avoided, the pressure relief effect is ensured, moreover, one side of each pressure relief plate is connected with the pressure relief box through a plastic fixing piece, the other side is connected with the pressure relief box through a metal fixing piece, because the firmness of the plastic fixing piece is weaker than that of the metal fixing piece, when the cabinet body fails, the high pressure in the cabinet body can open the plastic fixing piece above the pressure relief plate and relieve the pressure from the front and the rear parts of the pressure relief box obliquely, thereby meeting the pressure relief requirement of the cabinet body, meanwhile, the metal fixing piece is firmer and is not easy to drop, and the lower side of the pressure relief plate is also connected to the pressure relief box, so that safety accidents caused when the pressure relief plate flies and smashes workers are avoided.

Description

Overhead cable inlet wire high-voltage board

Technical Field

The utility model belongs to the technical field of high-voltage cabinets, and particularly relates to an overhead cable incoming high-voltage cabinet.

Background

Overhead cable inlet wire high-voltage board sets up the pressure release apron usually on the cabinet top, then sets up on the pressure release apron and offers the cable inlet hole, introduces the cable conductor to the cabinet in-connection through this cable hole and carries out the wiring, and the problem that this kind of structure exists is: when the inside trouble that breaks down of high-voltage board, the pressure release apron upwards opens the in-process and can produce the interference with the cable conductor, and the unable normal opening of pressure release apron can't reach the purpose of pressure release to the in-process that the pressure release board upwards opened can stimulate the cable, leads to cable joint to drop from the tie point, influences the normal work of inside electrical components and takes place incident such as short circuit easily.

SUMMERY OF THE UTILITY MODEL

Objects of the utility model

In order to overcome the defects, the utility model aims to provide an overhead cable wire-inlet high-voltage cabinet, which aims to solve the technical problems that the conventional high-voltage cabinet pressure-relief cover plate is arranged on the top of the cabinet, can interfere with a cable introduced from the top in the opening process to influence the normal pressure-relief process, and can pull the cable in the opening process of the pressure-relief plate to cause the cable joint to fall off from a connecting point, influence the normal work of internal electrical elements and easily cause safety accidents such as short circuit and the like.

(II) technical scheme

In order to achieve the purpose, the technical scheme provided by the application is as follows:

an overhead cable inlet high-voltage board, comprising: the cable protection cabinet comprises a cabinet body, wherein the top of the cabinet body is provided with a communicated pressure relief box, the upper side surface of the pressure relief box is respectively provided with a wire inlet hole for introducing an external cable into the cabinet body, the front side surface and the rear side surface are respectively provided with a pressure relief hole, a pressure relief plate is respectively arranged at the position corresponding to the pressure relief hole, one side edge of each pressure relief plate is connected with the pressure relief box through a plastic fixing piece, and the other side edge of each pressure relief plate is connected with the pressure relief box through a metal fixing piece;

in the application, the pressure relief plates are arranged on the front side and the rear side of the pressure relief box, and then the wire inlet holes are correspondingly formed in the upper side surface of the pressure relief box, the cable is led into the cabinet body from the wire inlet hole on the upper side surface, the pressure relief plate can be opened from the front side and the rear side when opened, interference between the pressure relief plate and the cable is avoided, the pressure relief effect is ensured, moreover, one side of each pressure relief plate is connected with the pressure relief box through a plastic fixing piece, the other side is connected with the pressure relief box through a metal fixing piece, because the firmness of the plastic fixing piece is weaker than that of the metal fixing piece, when the cabinet body fails, the high pressure in the cabinet body can open the plastic fixing piece above the pressure relief plate and relieve the pressure from the front and the rear parts of the pressure relief box obliquely, thereby meeting the pressure relief requirement of the cabinet body, meanwhile, the metal fixing piece is firmer and is not easy to drop, and the lower side of the pressure relief plate is also connected to the pressure relief box, so that safety accidents caused when the pressure relief plate flies and smashes workers are avoided. In some embodiments, the pressure release roof wall is including dismantling the polylith removable cover of connection, and the pressure release roof wall is connected by polylith removable cover, during the lead wire, can unpack the removable cover apart, conveniently introduces the internal with the cable conductor from the pressure release case, and the lead wire is more quick.

In some embodiments, the cable fixing frame is arranged at the top of the movable cover plates, the cable fixing frame can be used for concentrating and fixing a cable, the cable is prevented from being pulled by external force to cause loosening of the joint, the movable cover plates can be further compressed, and the connection stability of the movable cover plates is improved.

In some embodiments, the cable mount comprises: vertically span polylith removable cover and two first supports of being connected with polylith removable cover for vertically compress tightly the polylith apron, and transversely set up the second support that is used for two first supports of horizontal fixed on two first supports, be provided with the cable clamp that is used for fixed cable conductor on the second support, after the removable cover installation finishes, through first, the second support transversely and vertically compress tightly, increase removable cover's structural strength, avoid removable cover to receive cabinet body inside high pressure and the protruding deformation that makes progress.

In some embodiments, the pressure relief plate is uniformly provided with a plurality of heat dissipation holes, so that the pressure relief protection level requirement can be met, and the heat dissipation of the cabinet body can be increased.

Drawings

FIG. 1 is a schematic structural diagram of an overhead cable inlet high-voltage cabinet without a pressure relief box of a default cabinet door of the utility model;

FIG. 2 is a schematic structural diagram of an overhead cable inlet high-voltage cabinet with a default cabinet door provided with a pressure relief box;

FIG. 3 is a schematic view of a first perspective of the pressure relief tank of the present invention;

FIG. 4 is a schematic view of a second perspective of the pressure relief tank of the present invention;

FIG. 5 is a schematic view of the pressure relief tank of the present invention without the pressure relief plate installed;

fig. 6 is a schematic structural view of the cable holder of the present invention.

Reference numerals:

1. a cabinet body; 2. a pressure relief tank; 201. a removable cover plate; 2011. a wire inlet hole; 2012. folding edges; 2021. a pressure relief vent; 3. a pressure relief plate; 4. a cable fixing frame; 401. a first bracket; 402. a second support.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Referring to fig. 1 to 4, an overhead cable incoming high voltage cabinet provided by the present invention includes: the cabinet body 1, the top of the cabinet body 1 is provided with

pressure release case

2, 1 side opening and the mutual intercommunication of pressure release case 2 on the cabinet body, it is specific, entrance hole 2011 has been seted up respectively to 2 side faces on the pressure release case, the inside of the cabinet body 1 is introduced to the entrance hole 2011 of outside cable conductor process side face, the front and back both sides face of pressure release case 2 is provided with pressure release hole 2021 respectively, the position that corresponds pressure release hole 2021 has set up one pressure release board 3 respectively, it is more specific, a side of every pressure release board 3 passes through the plastics mounting and is connected with pressure release case 2, the opposite side passes through the metal mounting and is connected with pressure release case 2.

Specifically, when the internal trouble that breaks down of cabinet, the internal high-pressure gas of cabinet enters into pressure release case 2, and the atmospheric pressure in the pressure release case 2 increases in the twinkling of an eye, and atmospheric pressure is flushed away pressure release board 3 top plastics mountings, from the oblique top pressure release of

pressure release hole

2021, and 3 oblique upsides of pressure release board are connected on pressure release case 2, and the later stage can be taken off pressure release board 3 and change.

Specifically, the plastic fixing member may be a plastic bolt, and the metal fixing members may be metal bolts, which are respectively fastened side by side on the upper side face of the pressure release plate 3.

Referring to fig. 5, preferably, the top wall of the pressure relief box 2 is composed of a plurality of movable cover plates 201, specifically two movable cover plates 201, a plurality of semicircular hole sites are respectively formed on opposite sides of the two movable cover plates 201, the two opposite semicircular hole sites can be spliced with each other to form a wire inlet 2011, specifically, the two movable cover plates 201 can be connected into a whole by vertically bending upwards between the adjacent semicircular hole sites to form a folded edge 2012, and a bolt penetrates through the folded edges 2012 of the two movable cover plates 201.

Specifically, during wire leading, the two movable cover plates 201 can be detached first, so that the electrical elements to be wired in the cabinet body 1 are exposed, then the cable is directly led into the cabinet body 1 for wiring, after wiring is finished, the semicircular hole positions on the movable cover plates 201 are horizontally aligned with the cable, and finally the two movable cover plates 201 are locked into a whole through screws. Adopt this kind of mode to lead wire, the personnel of working a telephone switchboard need not to visit the body and get into cabinet body 1 and carry out the wiring, and it is more convenient to lead wire.

Preferably, a cable fixing frame 4 for fixing the cable is provided at the top of the pressure relief box 2 corresponding to the wire inlet 2011.

Referring to fig. 6, in particular, the cable holder 4 includes: two first supports 401 and a second support 402, two first supports 401 vertically span polylith removable cover 201 respectively, lock to polylith removable cover 201 through the screw on, second support 402 transversely sets up on two first supports 401, and the screw is passed through respectively to lock to two first supports 401 at both ends, and is concrete, is provided with the cable clamp on the second support 402, fixes the cable conductor to cable mount 4 on, avoids the cable conductor to be dragged, and the cable end of a thread is not hard up.

Preferably, adopt the fish scale orifice plate on the pressure release plate 3, seted up a plurality of louvres on the fish scale orifice plate, it is specific, the mesh diameter is less than 1mm, can satisfy the protection level requirement, can increase the cabinet body heat dissipation again.

Preferably, the cable cover plate adopts a non-magnetic conducting material to prevent the generation of eddy current.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The utility model provides an overhead cable inlet wire high-voltage board which characterized in that includes: the cabinet body (1), the top of the cabinet body (1) is provided with pressure release case (2) that communicate each other, wherein, the side has been seted up on pressure release case (2) and has been introduced the entrance hole (2011) of the internal portion of cabinet (1) with outside cable conductor, and pressure release hole (2021) has been seted up respectively to the front and back both sides face to the position that corresponds pressure release hole (2021) has set up one pressure release board (3) respectively, every one side of pressure release board (3) is passed through the plastics mounting and is connected with pressure release case (2), and the opposite side passes through the metal mounting and is connected with pressure release case (2).

2. The overhead cable inlet high-voltage cabinet according to claim 1, characterized in that the top wall of the pressure relief box (2) comprises: a plurality of removable cover plates (201) which are detachably connected.

3. The overhead cable inlet high-voltage cabinet according to claim 2, wherein a cable fixing frame (4) for fixing cables and capable of pressing the movable cover plates (201) is arranged on the tops of the movable cover plates (201).

4. The overhead cable inlet high-voltage cabinet according to claim 3, characterized in that the cable holder (4) comprises: the cable fixing device comprises two first supports (401) symmetrically and longitudinally crossing a plurality of movable cover plates (201) and a second support (402) transversely arranged on the two first supports (401), wherein a cable clamp used for fixing a cable is arranged on the second support (402).

5. The overhead cable inlet high-voltage cabinet according to any one of claims 1 to 4, wherein a plurality of heat dissipation holes are uniformly formed in the pressure relief plate (3).