CN117254375A - Environment-friendly gas-insulated high-voltage board - Google Patents

Environment-friendly gas-insulated high-voltage board Download PDF

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Publication number
CN117254375A
CN117254375A CN202311476673.XA CN202311476673A CN117254375A CN 117254375 A CN117254375 A CN 117254375A CN 202311476673 A CN202311476673 A CN 202311476673A CN 117254375 A CN117254375 A CN 117254375A
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CN
China
Prior art keywords
buffer
voltage cabinet
plate
expansion plate
cabinet body
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Granted
Application number
CN202311476673.XA
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Chinese (zh)
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CN117254375B (en
Inventor
杨云波
贾占钧
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Chongqing Dashun Electrical Equipment Co ltd
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Chongqing Dashun Electrical Equipment Co ltd
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Priority to CN202311476673.XA priority Critical patent/CN117254375B/en
Publication of CN117254375A publication Critical patent/CN117254375A/en
Application granted granted Critical
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/56Cooling; Ventilation
    • H02B1/565Cooling; Ventilation for cabinets
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035Gas-insulated switchgear
    • H02B13/045Details of casing, e.g. gas tightness
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035Gas-insulated switchgear
    • H02B13/065Means for detecting or reacting to mechanical or electrical defects
    • H02B13/0655Means for detecting or reacting to mechanical or electrical defects through monitoring changes of gas properties

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The invention relates to the technical field of high-voltage cabinets, in particular to an environment-friendly gas-insulated high-voltage cabinet, which comprises a high-voltage cabinet body and further comprises: the buffer heat dissipation box is arranged on the high-voltage cabinet body in a penetrating manner; the sealing expansion plate is inserted on the buffer radiating box and is in sliding connection with the buffer radiating box, and a plurality of heat conducting fins are uniformly distributed on the sealing expansion plate; the heat dissipation buffer mechanism is connected with the buffer heat dissipation box and the sealing expansion plate, and comprises a support assembly, a pressure relief detection assembly and a pressure relief groove; the environment-friendly gas-insulated high-voltage cabinet can protect the high-voltage cabinet body and elements in the high-voltage cabinet body, avoid influencing the service life of the elements and the use safety of the high-voltage cabinet body due to overlarge total heat generated in the high-voltage cabinet body, and avoid that SF6 gas in the high-voltage cabinet body possibly reacts with certain materials at high temperature to generate harmful gas.

Description

Environment-friendly gas-insulated high-voltage board
Technical Field
The invention relates to the technical field of high-voltage cabinets, in particular to an environment-friendly gas-insulated high-voltage cabinet.
Background
The environment-friendly gas-insulated high-voltage cabinet is novel high-voltage switch equipment, has good environment-friendly performance and high reliability, and is widely applied to equipment such as medium-voltage and high-voltage distribution equipment, power capacitors and the like in a power system. The compressed gas is used as an insulating medium, the distance between all charged parts in the cabinet and the cabinet shell is small, a busbar and an insulator are not arranged, traditional elements such as a cable, a busbar and an insulator are omitted, miniaturization and compactness of high-voltage equipment are realized, the structure in the cabinet is more compact, safe and attractive, and in the use process, the elements of the environment-friendly gas-insulated high-voltage cabinet are packaged in a metal shell filled with SF6 gas under certain pressure.
The prior environment-friendly gas-insulated high-voltage cabinet has the advantages that in the use process, elements in the cabinet body can generate heat, the generated heat not only can influence the service life of the elements, but also can increase the internal air pressure of the high-voltage cabinet, meanwhile, SF6 gas in the environment-friendly gas-insulated high-voltage cabinet can react with certain materials at high temperature to generate harmful gas, so that the use of the high-voltage cabinet is influenced, certain threat is generated to related personnel, and therefore, aiming at the current situation, the development of the environment-friendly gas-insulated high-voltage cabinet is urgently needed to overcome the defects in the current practical application.
Disclosure of Invention
The invention aims to provide an environment-friendly gas-insulated high-voltage cabinet so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides an environmental protection gas-insulated high-voltage board, includes the high-voltage board body, still includes:
the buffer heat dissipation box is arranged on the high-voltage cabinet body in a penetrating way and is connected with the high-voltage cabinet body in a sealing way through a sealing plate;
the sealing expansion plate is inserted on the buffer radiating box and is in sliding connection with the buffer radiating box, and a plurality of heat conducting fins are uniformly distributed on the sealing expansion plate;
the heat dissipation buffer mechanism is connected with the buffer heat dissipation box and the sealing expansion plate, wherein the heat dissipation buffer mechanism comprises a support assembly, a pressure relief detection assembly and a pressure relief groove;
the support assembly is respectively connected with the sealed expansion plate and the buffer radiating box, the pressure relief detection assembly is respectively connected with the buffer radiating box and the support assembly, the number of the pressure relief grooves is multiple, and the pressure relief grooves are formed in the inner wall of the buffer radiating box and are detachably connected with the sealed expansion plate.
As a further scheme of the invention: further comprises: the mounting base is fixedly arranged on the high-voltage cabinet body;
and the heat exchange fan is positioned on the buffer radiating box and is communicated with the buffer radiating box.
As a further scheme of the invention: further comprises: the L-shaped guide plates are two in number and are fixedly connected with two sides of the sealing expansion plate respectively;
and one end of the limiting upright post is fixedly connected with the inner wall of the high-voltage cabinet body, and the other end of the limiting upright post is inserted on the L-shaped guide plate and is in sliding connection with the L-shaped guide plate.
As a further scheme of the invention: further comprises: the number of the supporting frames is multiple, the supporting frames are uniformly distributed in the high-voltage cabinet body and are opposite to the sealing expansion plate, and the supporting frames are provided with metal shells for packaging different elements.
As a further scheme of the invention: the support assembly includes:
the length control box is fixedly arranged in the middle of the sealing expansion plate;
the pressure detection support plate is fixedly connected with the inner wall of the buffer radiating box and is also opposite to the length control box;
and the number of the adjusting springs is multiple, and two ends of the adjusting springs are fixedly connected with the pressure detection support plate and the length control box respectively.
As a further scheme of the invention: the pressure release detection assembly includes:
the guide support plate is fixedly connected with the inner wall of the buffer radiating box through a support rod;
the detection inclined plane is positioned on the guide support plate;
the number of the detectors is multiple, and the detectors are uniformly distributed on the guide support plate;
and the movable pushing unit is connected with the sealing expansion plate and is in rolling connection with the detection inclined plane.
As a further scheme of the invention: the movement pushing unit includes:
the moving plate is fixedly arranged on the sealing expansion plate, and a rotating column is rotatably arranged on the moving plate;
one end of the swinging plate is fixedly connected with the rotary column, the other end of the swinging plate is rotatably provided with a pushing roller, and the pushing roller is in rolling connection with the detection inclined plane;
and the supporting rod is fixedly arranged on the swinging plate, and a tension spring is fixedly arranged between the supporting rod and the sealing expansion plate.
Compared with the prior art, the invention has the beneficial effects that:
in the process of putting the high-voltage cabinet into use, SF sealing expansion plate gas is filled in the high-voltage cabinet, at the moment, the sealing expansion plate is in a compressed state and is in a sealing connection state with the buffer radiating box, in addition, heat generated during the operation of elements in the high-voltage cabinet can be transmitted to the outside of the high-voltage cabinet through the buffer radiating box through the plurality of arranged heat conducting fins, along with the continuous operation of the elements in the high-voltage cabinet, or when the elements in the high-voltage cabinet fail, the total heat generated in the high-voltage cabinet can be increased, at the moment, under the action of air pressure, the thrust action on the sealing expansion plate can be correspondingly increased, when the thrust force reaches a preset value, the thrust action of the air pressure on the sealing expansion plate can overcome the thrust action of the supporting component to enable the sealing expansion plate to slide in the buffer radiating box for a certain distance, and when the sealing expansion plate moves to the position of the pressure relief groove, the high-pressure gas in the high-pressure cabinet body is conveyed into the buffer radiating box through the pressure relief groove, the gas entering the buffer radiating box is stored or discharged into the external air, the high-pressure gas is not particularly limited, the pressure relief detecting assembly is driven to work in the moving process of the sealing expansion plate, so that the gas quantity flowing out of the pressure relief groove and the time of the gas flowing out of the high-pressure cabinet body can be detected, data analysis and calculation are carried out through an external computer, after the heat in the high-pressure cabinet body is recovered to be normal, the external air charging equipment is controlled to automatically supplement quantitative gas into the high-pressure cabinet body according to the analysis and the setting of the computer, so that the air pressure in the high-pressure cabinet body is recovered to an initial state, wherein the computer and the external air charging equipment are all in the prior art, the operation is simple, the high-voltage cabinet and the components in the high-voltage cabinet can be protected, the influence on the service life of the components and the use safety of the high-voltage cabinet due to overlarge total heat generated in the high-voltage cabinet can be avoided, meanwhile, SF6 gas in the high-voltage cabinet can be prevented from possibly reacting with certain materials at high temperature to generate harmful gas, the use safety of the high-voltage cabinet is ensured, and convenience is provided for workers.
Drawings
Fig. 1 is a schematic cross-sectional view of an environment-friendly gas-insulated high-voltage board according to an embodiment of the invention.
Fig. 2 is a schematic perspective view of a buffer radiator box according to an embodiment of the invention.
Fig. 3 is a schematic perspective view of a sealing expansion plate according to an embodiment of the present invention.
Fig. 4 is a schematic perspective view of an L-shaped guide plate according to an embodiment of the present invention.
Fig. 5 is a schematic perspective view of a pressure detecting support plate according to an embodiment of the present invention.
Fig. 6 is a schematic perspective view of a pressure relief groove portion according to an embodiment of the present invention.
Fig. 7 is a schematic perspective view of a guide support plate according to an embodiment of the present invention.
Fig. 8 is a schematic perspective view of a detector portion according to an embodiment of the present invention.
In the figure: the high-voltage power supply cabinet comprises a 1-high-voltage cabinet body, a 2-mounting base, a 3-supporting frame, a 4-L-shaped guide plate, a 5-limiting upright post, a 6-sealing expansion plate, 7-heat conducting fins, an 8-buffer heat-dissipating box, a 9-heat exchange fan, a 10-sealing plate, an 11-pressure relief groove, a 12-supporting rod, a 13-pressure detection supporting plate, a 14-adjusting spring, a 15-length control box, a 16-guiding supporting plate, a 17-moving plate, a 18-rotating post, a 19-swinging plate, a 20-pushing roller, a 21-pulling spring, a 22-detection inclined plane, a 23-supporting rod and a 24-detector.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
Referring to fig. 1 to 8, an environment-friendly gas-insulated high-voltage cabinet provided by an embodiment of the invention includes a high-voltage cabinet body 1, and further includes:
the buffer heat dissipation box 8 is arranged on the high-voltage cabinet body 1 in a penetrating way, and is connected with the high-voltage cabinet body 1 in a sealing way through a sealing plate 10;
the sealing expansion plate 6 is inserted on the buffer heat dissipation box 8 and is in sliding connection with the buffer heat dissipation box 8, and a plurality of heat conduction fins 7 are uniformly distributed on the sealing expansion plate 6;
the heat dissipation buffer mechanism is connected with the buffer heat dissipation box 8 and the sealing expansion plate 6, wherein the heat dissipation buffer mechanism comprises a support component, a pressure relief detection component and a pressure relief groove 11;
the support component is connected with the sealed expansion plate 6 and the buffer radiating box 8 respectively, the pressure relief detection component is connected with the buffer radiating box 8 and the support component respectively, the number of the pressure relief grooves 11 is a plurality of, and a plurality of the pressure relief grooves 11 are formed in the inner wall of the buffer radiating box 8 and are connected with the sealed expansion plate 6 in a separable manner.
In the process of putting the high-voltage cabinet body 1 into use, SF sealing expansion plate 6 gas is filled in the high-voltage cabinet body 1, at this time, the sealing expansion plate 6 is in a pressed state and is in a sealing connection state with the buffer radiating box 8, in addition, heat generated during the operation of elements in the high-voltage cabinet body 1 can be conducted to the outside of the high-voltage cabinet body 1 through the buffer radiating box 8 by the plurality of arranged heat conducting fins 7, along with the continuous operation of the elements in the high-voltage cabinet body 1 or when the elements in the high-voltage cabinet body 1 fail, the total heat generated in the high-voltage cabinet body 1 can be increased, at this time, under the action of air pressure, the thrust action on the sealing expansion plate 6 can be correspondingly increased, when the thrust force reaches a preset value, the thrust action of the air pressure on the sealing expansion plate 6 can overcome the thrust action of the supporting component to enable the sealing expansion plate 6 to slide in the buffer radiating box 8 for a certain distance, when the sealing expansion plate 6 moves to the position of the pressure relief groove 11, the high-pressure gas in the high-pressure cabinet 1 is conveyed into the buffer heat dissipation box 8 through the pressure relief groove 11, the gas entering the buffer heat dissipation box 8 is stored or discharged into the external air, not specifically limited herein, and the pressure relief detection assembly is driven to work in the moving process of the sealing expansion plate 6, so that the gas amount flowing out of the pressure relief groove 11 in the high-pressure cabinet 1 and the time of the flowing out gas can be detected, data analysis and calculation (not shown) can be performed through an external computer, after the heat in the high-pressure cabinet 1 is recovered to be normal, the external air charging equipment is controlled to automatically supplement quantitative gas into the high-pressure cabinet 1 according to the analysis and the setting of the computer, so that the air pressure in the high-pressure cabinet 1 is recovered to an initial state, wherein, the computer and the external air charging equipment are all of the prior art, redundant description is not made here, the operation is simple, the high-voltage cabinet body 1 and elements in the high-voltage cabinet body 1 can be protected, the influence on the service life of the elements and the use safety of the high-voltage cabinet body 1 due to overlarge total heat generated in the high-voltage cabinet body 1 can be avoided, meanwhile, the SF6 gas in the high-voltage cabinet body 1 can be prevented from possibly reacting with certain materials at high temperature, harmful gas is generated, the use safety of the high-voltage cabinet body 1 is ensured, and convenience is provided for staff.
In one embodiment of the present invention, referring to fig. 1 to 8, further comprising: the installation base 2 is fixedly arranged on the high-voltage cabinet body 1;
and the heat exchange fan 9 is positioned on the buffer radiating box 8 and is communicated with the buffer radiating box 8.
Further comprises: the number of the L-shaped guide plates 4 is two, and the two L-shaped guide plates 4 are fixedly connected with the two sides of the sealing expansion plate 6 respectively;
and one end of the limiting upright post 5 is fixedly connected with the inner wall of the high-voltage cabinet body 1, and the other end of the limiting upright post 5 is inserted on the L-shaped guide plate 4 and is in sliding connection with the L-shaped guide plate 4.
Further comprises: the number of the supporting frames 3 is multiple, the supporting frames 3 are uniformly distributed in the high-voltage cabinet body 1 and are opposite to the sealing expansion plate 6, and the supporting frames 3 are provided with metal shells for packaging different elements.
Through the installation base 2 that sets up, can be with high-pressure cabinet body 1 and external structure fixed connection, so that install high-pressure cabinet body 1 in the assigned position, simultaneously, start through the heat transfer fan 9 that sets up, can in time discharge the heat and the high-pressure gas of the interior transmission of buffering heat dissipation case 8 to the outside of equipment, when playing good radiating effect, guarantee the safe in utilization of equipment, in addition, through the L type deflector 4 that sets up and the cooperation work of spacing stand 5, on the one hand can guarantee the steadiness of sealed expansion plate 6 under normal operating condition, on the other hand, when sealed expansion plate 6 reciprocating motion, can play direction and spacing effect, guarantee the steady discharge of high-pressure gas, and discharge appropriate amount of gas, can be used to install different components through the support frame 3 of setting, and because the component is in the middle part of high-pressure cabinet body 1, can be convenient for the abundant heat dissipation of component use in-process.
In one embodiment of the present invention, referring to fig. 1 to 8, the support assembly includes:
the length control box 15 is fixedly arranged in the middle of the sealing expansion plate 6;
the pressure detection support plate 13 is fixedly connected with the inner wall of the buffer radiating box 8, and the pressure detection support plate 13 is also opposite to the length control box 15;
and the number of the adjusting springs 14 is multiple, and two ends of the adjusting springs 14 are respectively fixedly connected with the pressure detection support plate 13 and the length control box 15.
The pressure release detection assembly includes:
the guide support plate 16 is fixedly connected with the inner wall of the buffer radiating box 8 through the support rods 12;
a detection bevel 22, the detection bevel 22 being located on the guide support plate 16;
the number of the detectors 24 is a plurality, and the detectors 24 are uniformly distributed on the guide support plate 16;
and a moving pushing unit connected to the seal expansion plate 6 and rolling-connected to the detection inclined surface 22.
The movement pushing unit includes:
the moving plate 17 is fixedly arranged on the sealing expansion plate 6, and a rotating column 18 is rotatably arranged on the moving plate 17;
the swinging plate 19, one end of the swinging plate 19 is fixedly connected with the rotary column 18, the other end of the swinging plate 19 is rotatably provided with a pushing roller 20, and the pushing roller 20 is in rolling connection with the detection inclined plane 22;
and a supporting rod 23, wherein the supporting rod 23 is fixedly arranged on the swinging plate 19, and a tension spring 21 is fixedly arranged between the supporting rod 23 and the sealing expansion plate 6.
When the high-voltage cabinet body 1 is in a normal working state, a certain amount of gas can be filled into the high-voltage cabinet body 1 through the elastic force action of the adjusting spring 14 and the detection action of the pressure detection support plate 13, when the air pressure in the high-voltage cabinet body 1 is increased, the thrust action of the air pressure on the sealing expansion plate 6 overcomes the elastic force action of the adjusting spring 14 to enable the adjusting spring 14 to move towards the pressure detection support plate 13, the magnitude of the thrust of the guide support plate 16 is synchronously detected by the pressure detection support plate 13, in addition, through the length control box 15, the length control box 15 can adopt a square hollow structure, and the expansion plate is arranged in the square hollow structure, the expansion plate can be controlled by an electric push rod, and the expansion plate is fixedly connected with the adjusting spring 14, the structure and the installation mode are all of the prior art, and the positions of the expansion plate are not excessively repeated, and under the condition that the elastic force of the adjusting spring 14 is unchanged, the relative positions between the sealing expansion plate 6 and the buffer box 8 are changed, different use environments of the high-voltage cabinet body 1, for example, when the high-voltage cabinet body 1 is used, the relative pressure can be relieved, the corresponding heat dissipation situation between the sealing expansion plate and the buffer box 6 and the high-voltage cabinet body is required to be increased, and the heat dissipation situation can be reduced, and the relative pressure can be relieved, and the heat dissipation situation is increased, and the corresponding heat dissipation situation is increased;
in the moving process of the sealing expansion plate 6, the moving plate 17 is driven to move synchronously, the rotating column 18 and the swinging plate 19 are driven to move, since the guide support plate 16 is fixed on the inner wall of the buffer radiating box 8 through the support rod 12, the pushing roller 20 rolls on the detection inclined plane 22, and under the guiding action of the structure of the detection inclined plane 22, the pushing roller 20 rotates along with the swinging plate 19 and the rotating column 18, at this moment, the tension spring 21 is in a stretched state, and as the rotation angle of the rotating column 18 increases, the squeezing action of the pushing roller 20 on the detection inclined plane 22 is also larger, at this moment, the detector 24 can detect the squeezing acting force and acting time, and convey data to a computer for analysis and calculation, in addition, when the air pressure in the high-voltage cabinet 1 is reduced, the sealing expansion plate 6 moves reversely in the buffer radiating box 8, the pushing roller 20 can be restored to the original position under the tension of the tension spring 21.
It should be noted that, in the present invention, unless explicitly specified and defined otherwise, terms such as "sliding", "rotating", "fixing", "provided" and the like should be interpreted broadly, and may be, for example, welded, bolted, or integrated; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (7)

1. The utility model provides an environmental protection gas-insulated high-voltage board, includes the high-voltage board body, its characterized in that still includes:
the buffer heat dissipation box is arranged on the high-voltage cabinet body in a penetrating way and is connected with the high-voltage cabinet body in a sealing way through a sealing plate;
the sealing expansion plate is inserted on the buffer radiating box and is in sliding connection with the buffer radiating box, and a plurality of heat conducting fins are uniformly distributed on the sealing expansion plate;
the heat dissipation buffer mechanism is connected with the buffer heat dissipation box and the sealing expansion plate, wherein the heat dissipation buffer mechanism comprises a support assembly, a pressure relief detection assembly and a pressure relief groove;
the support assembly is respectively connected with the sealed expansion plate and the buffer radiating box, the pressure relief detection assembly is respectively connected with the buffer radiating box and the support assembly, the number of the pressure relief grooves is multiple, and the pressure relief grooves are formed in the inner wall of the buffer radiating box and are detachably connected with the sealed expansion plate.
2. The environmentally friendly gas insulated high voltage cabinet of claim 1 further comprising: the mounting base is fixedly arranged on the high-voltage cabinet body;
and the heat exchange fan is positioned on the buffer radiating box and is communicated with the buffer radiating box.
3. The environmentally friendly gas insulated high voltage cabinet of claim 2 further comprising: the L-shaped guide plates are two in number and are fixedly connected with two sides of the sealing expansion plate respectively;
and one end of the limiting upright post is fixedly connected with the inner wall of the high-voltage cabinet body, and the other end of the limiting upright post is inserted on the L-shaped guide plate and is in sliding connection with the L-shaped guide plate.
4. The environmentally friendly gas insulated high voltage cabinet of claim 3 further comprising: the number of the supporting frames is multiple, the supporting frames are uniformly distributed in the high-voltage cabinet body and are opposite to the sealing expansion plate, and the supporting frames are provided with metal shells for packaging different elements.
5. The environmentally friendly gas insulated high voltage cabinet of any one of claims 1-4 wherein said support assembly comprises:
the length control box is fixedly arranged in the middle of the sealing expansion plate;
the pressure detection support plate is fixedly connected with the inner wall of the buffer radiating box and is also opposite to the length control box;
and the number of the adjusting springs is multiple, and two ends of the adjusting springs are fixedly connected with the pressure detection support plate and the length control box respectively.
6. The environmentally friendly gas insulated high voltage cabinet of claim 5 wherein said pressure relief detection assembly comprises:
the guide support plate is fixedly connected with the inner wall of the buffer radiating box through a support rod;
the detection inclined plane is positioned on the guide support plate;
the number of the detectors is multiple, and the detectors are uniformly distributed on the guide support plate;
and the movable pushing unit is connected with the sealing expansion plate and is in rolling connection with the detection inclined plane.
7. The environmentally friendly gas insulated high voltage board according to claim 6, wherein the moving pushing unit comprises:
the moving plate is fixedly arranged on the sealing expansion plate, and a rotating column is rotatably arranged on the moving plate;
one end of the swinging plate is fixedly connected with the rotary column, the other end of the swinging plate is rotatably provided with a pushing roller, and the pushing roller is in rolling connection with the detection inclined plane;
and the supporting rod is fixedly arranged on the swinging plate, and a tension spring is fixedly arranged between the supporting rod and the sealing expansion plate.
CN202311476673.XA 2023-11-08 2023-11-08 Environment-friendly gas-insulated high-voltage board Active CN117254375B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN117254375B CN117254375B (en) 2024-04-26

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