Modularized integrated gas-insulated alternating-current switchgear

By controlling the gas inlet and outlet through a rotary vane vacuum pump and gas delivery pipes, and combining heat dissipation with heat sink fins and fan blades, the problems of gas control and heat dissipation in modular integrated gas-insulated AC switchgear are solved, achieving stable operation and efficient insulation.

CN223552906UActive Publication Date: 2025-11-14GANSU CHANGDIAN SWITCH CO LTD
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Patent Information

Application Number
CN202423100142.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-11-14
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

Modular integrated gas-insulated AC switchgear cannot effectively control the entry and exit of internal gases, affecting gas pressure monitoring and heat dissipation, leading to unstable operation.

Method used

The gas inlet and outlet are controlled by a rotary vane vacuum pump and gas delivery pipes, and heat dissipation is achieved by heat dissipation fins and DC motor-driven fan blades. The equipment is fixed by fastening bolts to achieve gas insulation and heat dissipation.

Benefits of technology

It improves gas insulation and heat dissipation efficiency, ensuring the stability and safety of equipment operation, and is convenient and quick to use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a modular integrated gas insulated alternating current switch device, which relates to the technical field of modular integrated gas insulated alternating current switches and comprises a device body, a gas supply device is arranged on one side of the top of the device body, one side of the gas supply device is connected with one end of a communicated gas delivery pipe, and the other end of the gas delivery pipe is connected with a gas outlet. And the other end of the gas conveying pipe is fixedly connected with the top of the equipment body, the gas conveying pipe communicates with the equipment body, and a rotary vane vacuum pump is arranged at the top of the equipment body. According to the modularized integrated gas-insulated alternating-current switch equipment, components can be conveniently sealed in the metal shell through the equipment body, the insulation effect can be conveniently improved through high-pressure gas, and the gas supply equipment can discharge and suck gas through a gas conveying pipe according to the gas pressure change of the equipment body; heat generated in the equipment body is guided out and dissipated through the heat dissipation fins, the direct current motor drives the fan blades to rotate to increase the air flow speed, and then the overall heat dissipation effect is improved.
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Description

Technical Field

[0001] This utility model relates to the technical field of modular integrated gas-insulated AC switches, specifically a modular integrated gas-insulated AC switchgear. Background Technology

[0002] Gas-insulated metal-enclosed switchgear is a metal-enclosed switchgear and control equipment in which at least part of it uses a gas at a pressure higher than atmospheric pressure as the insulating medium. GIS is the abbreviation for Gas Insulated Fully Enclosed Switchgear. GIS consists of circuit breakers, disconnecting switches, grounding switches, transformers, surge arresters, busbars, connectors, and outgoing terminals. All of these devices or components are enclosed in a metal-grounded casing, which is filled with SF6 insulating gas at a certain pressure. Therefore, it is also called SF6 fully enclosed switchgear. Fully enclosed switchgear is inconvenient to use and requires protection. Therefore, there is an urgent need for a modular integrated gas-insulated AC switchgear.

[0003] Currently, modular integrated gas-insulated AC switchgear suffers from problems such as difficulty in controlling the entry and exit of internal gas, difficulty in monitoring internal gas pressure, and difficulty in timely cooling of generated heat, which affects the stability of internal operation. Utility Model Content

[0004] The purpose of this utility model is to provide a modular integrated gas-insulated AC switchgear to solve the problems mentioned in the background art, such as the inconvenience of controlling the entry and exit of internal gas, the inconvenience of monitoring internal gas pressure, and the inconvenience of timely cooling of generated heat, which affect the stability of internal operation.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a modular integrated gas-insulated AC switchgear, comprising a device body, a gas supply device disposed on one side of the top of the device body, one end of a gas supply pipe connected to one side of the gas supply device, the other end of the gas supply pipe being fixedly connected to the top of the device body, and the gas supply pipe being interconnected with the device body, and a rotary vane vacuum pump disposed on the top of the device body, the rotary vane vacuum pump being fixedly connected to the gas supply device through a connecting pipe, and the rotary vane vacuum pump being interconnected with the gas supply device.

[0006] Preferably, heat dissipation fins are evenly arranged on one side of the outer wall of the device body, and a mounting side plate is provided on one side of the outer wall of the heat dissipation fins. A square opening with front and rear through is provided in the middle of the mounting side plate.

[0007] Preferably, a fixed side plate is provided on one outer wall of the mounting side plate, and a heat dissipation shell communicating with the square opening is provided on the outer wall of the fixed side plate. A ventilation slot is provided on one side of the heat dissipation shell in parallel arrangement.

[0008] Preferably, a fan mounting plate is provided on the outside of the ventilation slot. The fan mounting plate is connected and fixed to the heat dissipation shell by bolts. A front-to-back air collecting shroud is provided on one side of the fan mounting plate, and a protective mesh is provided on one side of the air collecting shroud.

[0009] Preferably, a DC motor is provided on the inner wall of the protective cover, and the output end of the DC motor is connected and fixed to the fan blades through a coupling, and the fan blades are located inside the protective cover.

[0010] Preferably, mounting plates are symmetrically arranged on both outer walls of the device body, and the mounting plates are provided with mounting screw holes arranged in a linear pattern.

[0011] Preferably, the mounting screw hole is connected and fixed to the mounting side plate by a matching fastening bolt, and the fastening bolt is used to connect and fix the equipment body to the ground by a matching fastening nut.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. This modular integrated gas-insulated AC switchgear allows for easy enclosure of components within a metal casing. High-pressure gas enhances insulation performance. The gas supply system can release and draw in gas via a gas pipe based on pressure changes within the switchgear. A rotary vane vacuum pump facilitates the intake and exhaust of gas in conjunction with the gas supply system, further improving the gas insulation performance of the switchgear. Fastening bolts pass through mounting holes on the mounting plate, allowing for easy installation and fixation of the switchgear with fastening nuts.

[0014] 2. This modular integrated gas-insulated AC switchgear dissipates heat generated inside the equipment body through heat dissipation fins. It is connected to the heat dissipation shell through square openings, which facilitates the rotation of fan blades by a DC motor to accelerate airflow and thus improve the overall heat dissipation effect. The protective cover enhances the safety of fan blade operation and is convenient and quick to use. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0016] Figure 2 This is a partial three-dimensional structural schematic diagram of the present invention;

[0017] Figure 3 This is a three-dimensional structural diagram of the heat dissipation shell of this utility model;

[0018] Figure 4 This is a three-dimensional structural diagram of the heat dissipation fins of this utility model.

[0019] In the diagram: 1. Equipment body; 2. Air supply equipment; 3. Air delivery pipe; 4. Rotary vane vacuum pump; 5. Mounting plate; 6. Mounting screw holes; 7. Fastening bolts; 8. Fastening nuts; 9. Heat dissipation fins; 10. Mounting side plate; 11. Square opening; 12. Fixed side plate; 13. Heat dissipation shell; 14. Ventilation slot; 15. Fan mounting plate; 16. Air collector cover; 17. Protective cover mesh; 18. DC motor; 19. Fan blades. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figure 1-4 This utility model provides a technical solution: a modular integrated gas-insulated AC switchgear, including a device body 1. A gas supply device 2 is disposed on one side of the top of the device body 1. One end of a gas supply pipe 3 is connected to one side of the gas supply device 2. The other end of the gas supply pipe 3 is fixedly connected to the top of the device body 1, and the gas supply pipe 3 and the device body 1 are interconnected. A rotary vane vacuum pump 4 is disposed on the top of the device body 1. The rotary vane vacuum pump 4 is fixedly connected to the gas supply device 2 via a connecting pipe, and the rotary vane vacuum pump 4 and the gas supply device 2 are interconnected. Mounting plates 5 are symmetrically disposed on the outer walls of both sides of the device body 1. The mounting plates 5 have linearly distributed mounting screw holes 6. The device body 1 is connected and fixed to the mounting side plate 10 by setting a matching fastening bolt 7. The fastening bolt 7 is connected and fixed to the ground by setting a matching fastening nut 8. The device body 1 facilitates the enclosure of components inside the metal shell. High-pressure gas facilitates the improvement of insulation effect. The gas supply device 2 can discharge and draw in gas through the gas supply pipe 3 according to the gas pressure change of the device body 1. The rotary vane vacuum pump 4 facilitates the gas pumping operation in conjunction with the gas supply device 2, which helps to improve the gas insulation effect of the device body 1. The fastening bolt 7 passes through the mounting screw hole 6 on the mounting plate 5 to facilitate the installation and fixation of the device body 1 with the fastening nut 8. It is convenient and quick to use.

[0022] The outer wall of one side of the device body 1 is uniformly provided with heat dissipation fins 9. A mounting side plate 10 is provided on one side of the outer wall of the heat dissipation fins 9. A square opening 11 running through the front and back is provided in the middle of the mounting side plate 10. A fixing side plate 12 is provided on one side of the outer wall of the mounting side plate 10. A heat dissipation shell 13 communicating with the square opening 11 is provided on the outer wall of the fixing side plate 12. A ventilation slot 14 distributed in parallel is provided on one side of the heat dissipation shell 13. A fan fixing plate 15 is provided on the outside of the ventilation slot 14. The fan fixing plate 15 is connected and fixed to the heat dissipation shell 13 by bolts. A through-hole is provided on one side of the fan fixing plate 15. The air collecting hood 16 has a protective mesh 17 on one side. A DC motor 18 is installed on the inner wall of the middle of the protective mesh 17. The output end of the DC motor 18 is connected and fixed to the fan blades 19 through a coupling. The fan blades 19 are located inside the protective mesh 17. The heat dissipation fins 9 dissipate the heat generated inside the equipment body 1. The fan blades 19 are connected to the heat dissipation shell 13 through the square opening 11, which facilitates the DC motor 18 to drive the fan blades 19 to rotate and accelerate the airflow, thereby improving the overall heat dissipation effect. The protective mesh 17 also helps to improve the safety of the fan blades 19 during operation.

[0023] Working principle: First, the device body 1 encloses the components inside the metal casing. High-pressure gas improves the insulation effect. The gas supply device 2 can release and draw in gas through the gas pipe 3 according to the gas pressure changes of the device body 1. The rotary vane vacuum pump 4 can cooperate with the gas supply device 2 to perform gas extraction and evacuation operations, which helps to improve the gas insulation effect of the device body 1. The fastening bolts 7 pass through the mounting screw holes 6 on the mounting plate 5 to facilitate the installation and fixation of the device body 1 with the fastening nuts 8. The heat dissipation fins 9 dissipate the heat generated inside the device body 1. The square opening 11 connects to the heat dissipation shell 13, which allows the DC motor 18 to drive the fan blades 19 to rotate, thereby increasing the airflow and improving the overall heat dissipation effect. The protective cover 17 improves the safety of the fan blades 19 during operation. It is convenient and quick to use. This completes the operation process of a modular integrated gas-insulated AC switchgear.

[0024] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A modular integrated gas-insulated AC switchgear, characterized in that, The device includes a main body (1), a gas supply device (2) is provided on one side of the top of the main body (1), one end of a gas supply pipe (3) is connected to one side of the gas supply device (2), the other end of the gas supply pipe (3) is connected and fixed to the top of the main body (1), and the gas supply pipe (3) is connected to the main body (1). A vane vacuum pump (4) is provided on the top of the main body (1), and the vane vacuum pump (4) is connected and fixed to the gas supply device (2) through a connecting pipe, and the vane vacuum pump (4) is connected to the gas supply device (2).

2. The modular integrated gas-insulated AC switchgear according to claim 1, characterized in that: The outer wall of one side of the device body (1) is uniformly provided with heat dissipation fins (9), and the outer wall of one side of the heat dissipation fins (9) is provided with a mounting side plate (10), and the middle of the mounting side plate (10) is provided with a square opening (11) that runs through the front and back.

3. A modular integrated gas-insulated AC switchgear according to claim 2, characterized in that: A fixed side plate (12) is provided on one outer wall of the mounting side plate (10). A heat dissipation shell (13) connected to the square opening (11) is provided on the outer wall of the fixed side plate (12). A ventilation groove (14) is provided on one side of the heat dissipation shell (13) in parallel distribution.

4. A modular integrated gas-insulated AC switchgear according to claim 3, characterized in that: A fan mounting plate (15) is provided on the outside of the ventilation slot (14). The fan mounting plate (15) is connected and fixed to the heat dissipation shell (13) by bolts. A front-to-back air collecting hood (16) is provided on one side of the fan mounting plate (15). A protective cover net (17) is provided on one side of the air collecting hood (16).

5. A modular integrated gas-insulated AC switchgear according to claim 4, characterized in that: A DC motor (18) is provided on the middle inner wall of the protective cover (17). The output end of the DC motor (18) is connected and fixed to the fan blade (19) by a coupling. The fan blade (19) is located inside the protective cover (17).

6. A modular integrated gas-insulated AC switchgear according to claim 1, characterized in that: The two outer walls of the device body (1) are symmetrically provided with mounting plates (5), and the mounting plates (5) are provided with mounting screw holes (6) arranged in a linear pattern.

7. A modular integrated gas-insulated AC switchgear according to claim 6, characterized in that: The mounting screw hole (6) is connected and fixed to the mounting side plate (10) by a matching fastening bolt (7), and the fastening bolt (7) is connected and fixed to the ground by a matching fastening nut (8).