High-sealing-performance arc-extinguishing insulation gas-filled cabinet

Abstract

The utility model relates to the technical field of gas-insulated switchgears, and discloses a high-sealing arc extinguishing insulation gas-insulated switchgear, which comprises a cabinet body, a slideway is arranged at the bottom of the inner wall of the cabinet body, the inner wall of the slideway is connected with a protective cover in a sliding manner, the inner wall of the protective cover is fixedly connected with a motor, the driving end of the motor is fixedly connected with a follower plate, and the follower plate is fixedly connected with an arc extinguishing chamber. Two sliding rails are arranged at the bottom of the inner wall of the cabinet body, two driven plates are slidably connected to the inner walls of the sliding rails, sliding grooves are formed in the sides, close to each other, of the two driven plates, the outer walls of the driven plates are rotatably connected to the interiors of the sliding grooves, and a locking and sealing assembly is arranged outside the cabinet body. According to the utility model, the cabinet body is placed at a specified position, and the handrail is pulled to enable the sliding column to rotate to drive the force of the fixing rod on the fixing block to be released to open the cabinet door, so that the equipment shell, the protective cover and other parts are firmly fixed, the overall protection level of the equipment is improved, and internal sensitive parts are protected from external physical damage, chemical corrosion and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of gas-filled cabinet, especially to a high sealing arc extinguishing insulation gas-filled cabinet. BACKGROUND

[0002] The insulation gas-filled cabinet, full name gas insulated metal enclosed switchgear, uses gas such as sulfur hexafluoride (SF6) as insulation medium, which seals high-voltage electrical components such as circuit breakers and disconnectors in a metal shell filled with insulation gas, has the characteristics of compact structure and small footprint, is suitable for places with limited space, has good sealing, is not affected by external environment such as humidity and dust, and has high reliability.

[0003] When a short circuit, overload or other fault occurs in the circuit, the arc energy generated is large and the duration is long, and the structure and arc extinguishing dielectric performance of some gas-filled cabinet arc extinguishing chambers are limited, which cannot quickly and efficiently extinguish the arc, which will cause contact ablation, damage to the insulation material in the cabinet, and even cause explosions and other major accidents, affecting the safe and stable operation of the power grid.

[0004] In the prior art, the traditional gas-filled cabinet is prone to increased resistance and increased heating during long-term operation due to factors such as cabinet vibration, temperature change, and unstable line clamping, which accelerates the oxidation of the connection point and forms a vicious cycle, which may eventually cause overheating or even burn out the line, causing a power outage. To solve the above problems, a high sealing arc extinguishing insulation gas-filled cabinet is proposed. Utility model content

[0005] In order to make up for the above shortcomings, the utility model provides a high sealing arc extinguishing insulation gas-filled cabinet, which aims to improve the problem of unstable line clamping in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A high sealing arc extinguishing insulation gas-filled cabinet, comprising a cabinet body, a slide is formed in the inner wall bottom of the cabinet body, a protective cover is slidably connected to the inner wall of the slide, a motor is fixedly connected to the inner wall of the protective cover, a follow-up plate is fixedly connected to the drive end of the motor, two slide rails are formed in the inner wall bottom of the cabinet body, two driven plates are slidably connected to the inner wall of the slide rails, a slide groove is formed in the side of each driven plate, the outer wall of the follow-up plate is rotatably connected to the inside of the slide groove, and a locking and sealing assembly is arranged outside the cabinet body.

[0008] Further description of the above technical scheme:

[0009] The locking and sealing assembly comprises a support plate, the outer part of the support plate is fixedly connected to the outside of the cabinet body, the other end of the support plate is rotationally connected with a handrail, the end of the handrail away from the support plate is rotationally connected with a slide column, and the two ends of the slide column are fixedly connected with fixing rods;

[0010] As a further description of the above technical solution:

[0011] The cabinet body is fixedly connected with a plurality of hinges, the other end of the hinge is fixedly connected with a cabinet door, the side of the cabinet door close to the cabinet body is fixedly connected with a rubber ring, the outside of the cabinet door is fixedly connected with a plurality of fixing blocks, and the fixing rod is slidingly connected to the outside of the fixing block;

[0012] As a further description of the above technical solution:

[0013] The top of the driven plate is fixedly connected with a clamp, and the bottom of the driven plate is slidingly connected to the top of the protective cover.

[0014] As a further description of the above technical solution:

[0015] The outside of the cabinet body is in contact with the cabinet door, and the inside of the cabinet body is fixedly installed with an isolation switch.

[0016] As a further description of the above technical solution:

[0017] The bottom of the driven plate is slidingly connected to the inner wall of the cabinet body, and the bottom of the driven plate is provided with a hole.

[0018] As a further description of the above technical solution:

[0019] The side of the rubber ring away from the cabinet door is in contact with the cabinet body, and the rubber ring is made of rubber.

[0020] As a further description of the above technical solution:

[0021] The inner wall of the cabinet body is fixedly connected with a gas distribution plate, and the top of the gas distribution plate is fixedly connected to the bottom of the isolation switch.

[0022] The utility model has the advantages of the following beneficial effects:

[0023] 1、The utility model discloses a placing cabinet body is placed in the specified position, and the slide column is rotated and drives the fixed rod to release the force to the fixed block by pulling the handrail, and the cabinet door is opened, the equipment shell, the protection cover and other components are firmly fixed, the whole protection level of equipment is promoted, and the internal sensitive components are protected from physical damage, chemical corrosion and the like of the outside world.

[0024] 2. The utility model discloses a movable protective cover is opened to the position that needs to be clamped, and the motor drives the follow-up plate to pull the driven plate to slide in the slide rail, makes the fixture close to the wiring harness and fixes, reduces the installation time and manpower cost. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 A three-dimensional schematic view of a high-sealing arc-extinguishing insulation gas-filled cabinet is provided in the utility model;

[0026] Figure 2 For Figure 1 An enlarged view of part A in the utility model;

[0027] Figure 3 A structural schematic view of the cabinet body of the high-sealing arc-extinguishing insulation gas-filled cabinet is provided in the utility model;

[0028] Figure 4 For Figure 3 An enlarged view of part B in the utility model.

[0029] LEGEND:

[0030] 1, cabinet body; 2, slide; 3, protective cover; 4, motor; 5, follow-up plate; 6, driven plate; 7, sliding groove; 8, clamp; 9, slide rail; 10, hinge; 11, cabinet door; 12, rubber ring; 13, fixed block; 14, support plate; 15, handrail; 16, slide column; 17, fixed rod; 18, disconnecting switch; 19, air diffuser plate. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0032] With reference to Figure 1 and Figure 2 An embodiment provided by the utility model: a high-sealing arc-extinguishing insulation gas-filled cabinet, comprising a cabinet body 1, the cabinet body 1 is the main structure of the whole gas-filled cabinet, provides installation space and protection for internal components, a slide 2 is formed in the inner wall bottom of the cabinet body 1, the inner wall of the slide 2 is slidably connected with a protective cover 3, the protective cover 3 can move on the slide 2, the inner wall of the protective cover 3 is fixedly connected with a motor 4, the motor 4 is a power source, generates power by running to drive relevant components to move, the driving end of the motor 4 is fixedly connected with a follow-up plate 5, when the motor 4 starts, can drive the follow-up plate 5 to carry out corresponding actions, realizes the traction or push of other components;

[0033] The inner wall bottom of the cabinet body 1 is provided with two slide rails 9, the inner wall of the slide rail 9 is slidably connected with two driven plates 6, the driven plate 6 can slide on the slide rail 9, cooperates with the action of the follow-up plate 5 to realize a specific function, the side close to the two driven plates 6 is provided with a sliding groove 7, the sliding groove 7 cooperates with the follow-up plate 5, so that the follow-up plate 5 can rotate in the sliding groove 7 and drive the driven plate 6 to move, the outer wall of the follow-up plate 5 is rotatably connected in the sliding groove 7, the connecting mode makes the follow-up plate 5 effectively pull the driven plate 6 to slide on the slide rail 9 when rotating, the outside of the cabinet body 1 is provided with a locking and sealing assembly, the assembly can enhance the sealing property of the cabinet body 1, prevent external gas from entering or internal gas from leaking, ensure the insulation and arc extinguishing environment stability in the cabinet;

[0034] The top of the driven plate 6 is fixedly connected with a clamp 8, when the driven plate 6 slides on the slide rail 9 and approaches, the distance between the clamps 8 will be correspondingly reduced, so as to clamp and fix the objects such as wire harnesses which need to be fixed, and ensure the position stability during the operation of the inflation cabinet, the bottom of the follow-up plate 5 is slidably connected with the top of the protective cover 3, the connecting mode not only ensures the stability of the follow-up plate 5 during the movement, but also does not hinder the rotation and the action of pulling the driven plate 6 under the drive of the motor 4.

[0035] Referring to Figure 3 and Figure 4 , the locking and sealing assembly comprises a support plate 14, the support plate 14 plays a supporting and connecting role, the outside of the support plate 14 is fixedly connected with the outside of the cabinet body 1, the other end of the support plate 14 is rotatably connected with a handrail 15, the handrail 15 is convenient for the operator to grasp and apply force, the operation of other components of the locking and sealing assembly is realized by rotating the handrail 15, the other end of the handrail 15 away from the support plate 14 is rotatably connected with a slide column 16, when the handrail 15 rotates, the slide column 16 will be driven to rotate, the two ends of the slide column 16 are fixedly connected with a fixed rod 17;

[0036] A plurality of hinges 10 are fixedly connected with the outside of the cabinet body 1, the other end of the hinge 10 is fixedly connected with a cabinet door 11, the cabinet door 11 is used to close the cabinet body 1, protect the internal equipment, and facilitate the operator to operate the inside of the cabinet body 1, the side close to the cabinet body 1 of the cabinet door 11 is fixedly connected with a rubber ring 12, the rubber ring 12 has good elasticity and sealing property, when the cabinet door 11 is closed, the rubber ring 12 tightly fits the cabinet body 1, effectively prevents gas from leaking, and enhances the sealing property of the cabinet body 1;

[0037] When the cabinet door 11 is opened, the elasticity of the rubber ring 12 can provide a rebound power, so that the cabinet door 11 is more smooth to open, a plurality of fixed blocks 13 are fixedly connected with the outside of the cabinet door 11, the fixed blocks 13 cooperate with the fixed rod 17, when the fixed rod 17 is inserted into the fixed block 13, the cabinet door 11 can be locked in the closed state; when the fixed rod 17 is separated from the fixed block 13, the cabinet door 11 can be opened, the fixed rod 17 is slidably connected with the outside of the fixed block 13;

[0038] The outside of the cabinet body 1 is in contact with the cabinet door 11, which is tightly fitted to the cabinet body 1 when closed, forming a closed space to effectively protect the internal equipment. The inside of the cabinet body 1 is fixedly installed with a disconnecting switch 18, which is used to isolate the circuit as needed during the operation of the gas-filled cabinet, ensuring safety during operation and maintenance.

[0039] Referring to Figure 1 and Figure 3 The bottom of the driven plate 6 is slidingly connected to the inner wall of the cabinet body 1, ensuring stability and smoothness when the driven plate 6 slides on the slide rail 9. Holes are provided in the bottom of the driven plate 6, which can be used to reduce the weight of the driven plate 6 or facilitate fixation or connection with other structures inside the cabinet body 1 during installation

[0040] The side of the rubber ring 12 away from the cabinet door 11 is in contact with the cabinet body 1. When the cabinet door 11 is closed, the rubber ring 12 fills the gap between the cabinet door 11 and the cabinet body 1 as a sealing medium, preventing gas exchange. The rubber ring 12 is made of rubber, which has good elasticity, flexibility and sealing properties, can adapt to the slight deformation between the cabinet door 11 and the cabinet body 1, and ensure the sealing effect, while providing a certain rebound assist force when the cabinet door 11 is opened;

[0041] The inner wall of the cabinet body 1 is fixedly connected with a gas dispersion plate 19, which can disperse and guide the gas generated during the operation of the disconnecting switch 18, avoiding local gas accumulation that may adversely affect the equipment. The top of the gas dispersion plate 19 is fixedly connected to the bottom of the disconnecting switch 18, ensuring that the gas dispersion plate 19 can accurately process the gas generated by the disconnecting switch 18.

[0042] Working principle: Place the cabinet body 1 in the designated position, pull the handrail 15 to make the slide column 16 rotate and drive the fixed rod 17 to release the force on the fixed block 13 to open the cabinet door 11. The device shell, protective cover and other components are firmly fixed to improve the overall protection level of the device, protect the internal sensitive components from physical damage, chemical corrosion, etc. The rubber ring 12 is made of rubber, which has good elasticity, flexibility and sealing properties, can adapt to the slight deformation between the cabinet door 11 and the cabinet body 1, and ensure the sealing effect, while providing a certain rebound assist force when the cabinet door 11 is opened;

[0043] Move the protective cover 3 to the position where clamping is needed, start the motor 4 to drive the follower plate 5 to pull the driven plate 6 to slide in the slide rail 9, so that the clamp 8 approaches to fix the wire harness. During the maintenance process, the clear and orderly wire segments are clamped, which facilitates the workers to quickly identify and touch the wire segments that need to be repaired, improves the efficiency of fault diagnosis and repair, and reduces the maintenance difficulty.

[0044] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A high-sealing arc-extinguishing insulated gas-filled switchgear comprising a cabinet (1), characterized in that: The inner wall bottom of the cabinet body (1) is provided with a slide (2), the inner wall of the slide (2) is slidably connected with a protective cover (3), the inner wall of the protective cover (3) is fixedly connected with a motor (4), the driving end of the motor (4) is fixedly connected with a follower plate (5), the inner wall bottom of the cabinet body (1) is provided with two slide rails (9), the inner wall of the slide rail (9) is slidably connected with two driven plates (6), the proximal side of the two driven plates (6) is provided with a sliding groove (7), the outer wall of the follower plate (5) is rotatably connected in the sliding groove (7), and the outer wall of the cabinet body (1) is provided with a locking and sealing assembly.

2. A high sealed arc-extinguishing insulated cubicle according to claim 1, characterized in that: The locking and sealing assembly comprises a support plate (14), the outer wall of the support plate (14) is fixedly connected with the outer wall of the cabinet body (1), the other end of the support plate (14) is rotatably connected with a handrail (15), the end of the handrail (15) away from the support plate (14) is rotatably connected with a slide column (16), and the two ends of the slide column (16) are fixedly connected with a fixed rod (17).

3. A high sealed arc-extinguishing insulated cubicle according to claim 2, characterized in that: The outer wall of the cabinet body (1) is fixedly connected with a plurality of hinges (10), the other end of the hinge (10) is fixedly connected with a cabinet door (11), the side of the cabinet door (11) close to the cabinet body (1) is fixedly connected with a rubber ring (12), the outer wall of the cabinet door (11) is fixedly connected with a plurality of fixed blocks (13), and the fixed rod (17) is slidably connected with the outer wall of the fixed block (13).

4. A high sealed arc-extinguishing insulated cubicle according to claim 1, characterized in that: The top of the driven plate (6) is fixedly connected with a clamp (8), and the bottom of the follower plate (5) is slidably connected with the top of the protective cover (3).

5. A high sealed arc-extinguishing insulated cubicle according to claim 3, characterized in that: The outer wall of the cabinet body (1) is in contact with the cabinet door (11), and the inner wall of the cabinet body (1) is fixedly connected with an isolation switch (18).

6. A high sealed arc-extinguishing insulated cubicle according to claim 1, characterized in that: The bottom of the driven plate (6) is slidably connected with the inner wall of the cabinet body (1), and the bottom of the driven plate (6) is provided with a hole.

7. A high sealed arc-extinguishing insulated cubicle according to claim 3, characterized in that: The side of the rubber ring (12) away from the cabinet door (11) is in contact with the cabinet body (1), and the rubber ring (12) is made of rubber.

8. A high sealed arc-extinguishing insulated cubicle according to claim 5, characterized in that: The inner wall of the cabinet body (1) is fixedly connected with a gas distribution plate (19), and the top of the gas distribution plate (19) is fixedly connected with the bottom of the isolation switch (18).

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