Gas-insulated switchgear circuit breaker gas chamber

Abstract

The utility model relates to an inflatable cabinet circuit breaker air chamber, and relates to the technical field of inflatable cabinet equipment, the inflatable cabinet circuit breaker air chamber comprises an inflatable cabinet body and an inflatable compartment, the inflatable compartment is arranged at the top of the inflatable cabinet body, the top surface of the inflatable cabinet body is provided with a clamping groove, the bottom of the inflatable compartment is fixedly provided with a clamping block, and the clamping block is arranged in the clamping groove. The size of the clamping block is matched with the size of the clamping groove, and the clamping block can be clamped in the clamping groove. According to the inflatable cabinet, the inflatable compartment is clamped in the clamping groove in the top of the inflatable cabinet body through the clamping block, the inflatable compartment is convenient to mount and dismount, and the defect that an inflatable compartment in a traditional inflatable cabinet cannot be dismounted, so that replacement or maintenance is inconvenient is overcome.

Description

Technical Field

[0001] The present application relates to the technical field of gas cabinet equipment, and in particular to a gas chamber for a gas cabinet circuit breaker. Background Art

[0002] AC high-voltage gas-insulated metal-enclosed switchgear, also known as a gas-filled cabinet, is a new generation of switchgear. The main switch can be equipped with either a permanent magnet or spring-loaded vacuum circuit breaker. The cabinet combines air insulation with a sulfur hexafluoride gas compartment, making it compact and expandable, making it suitable for distribution automation. The cabinet features a compact structure, flexible operation, and reliable interlocking, offering satisfactory technical solutions for a variety of applications (especially those in harsh environments) and diverse user requirements. The use of sensing technology and the latest protective relays, coupled with advanced technical performance and a lightweight and flexible assembly solution, fully meets diverse user needs. The cabinet structure: The gas-filled compartment is constructed from 3-5mm thick stainless steel plates, processed by CNC machine tools and then welded by a welding robot, resulting in minimal welding deformation and excellent airtightness. The remaining compartments are constructed from high-quality cold-rolled steel plates, CNC-bent and welded, featuring high precision and excellent strength. Each functional unit is an independent module, making assembly extremely convenient. Each sealed compartment in the cabinet has an independent pressure relief duct to maximize personal safety and equipment operation.

[0003] The inflatable compartments in existing inflatable cabinet circuit breakers are generally formed by directly welding thick stainless steel plates to the inflatable cabinet body. Therefore, the position and size of the inflatable compartments in the inflatable cabinet are immutable. When a problem occurs with the inflatable compartment, it cannot be removed. Therefore, it is inconvenient to independently inspect and repair a single inflatable compartment, which is inconvenient to use. Utility Model Content

[0004] In order to improve the defect that the inflatable compartment in the inflatable cabinet cannot be disassembled and is inconvenient for independent maintenance, the present application provides an inflatable cabinet circuit breaker gas chamber.

[0005] The present application provides a gas chamber for a gas-filled cabinet circuit breaker, which adopts the following technical solution:

[0006] A gas chamber for a pneumatic cabinet circuit breaker comprises a pneumatic cabinet body and a pneumatic compartment, wherein the pneumatic compartment is arranged on the top of the pneumatic cabinet body, a slot is provided on the top surface of the pneumatic cabinet body, and a clamping block is fixedly provided on the bottom of the pneumatic compartment, the size of the clamping block is adapted to the size of the clamping slot, and the clamping block can be clamped in the clamping slot.

[0007] By adopting the above technical solution, during installation, align the card block with the card slot, place the inflatable compartment directly on the top of the inflatable cabinet, and move the inflatable compartment downward to allow the card block to enter the card slot. This installation method is simple and convenient to operate, and easy to disassemble, which improves the defect that the inflatable compartment in the traditional inflatable cabinet cannot be disassembled and is not convenient for independent maintenance.

[0008] Optionally, there are four card blocks, which are respectively arranged at the four corners of the bottom surface of the inflatable cabinet; correspondingly, four card slots are also provided on the top surface of the inflatable cabinet. When the inflatable compartment is placed on the top surface of the inflatable cabinet, each card block can be snapped into one of the card slots.

[0009] By adopting the above technical solution, the inflatable compartment can be installed by clamping four clamping blocks into four clamping slots, thereby enhancing the overall stability of the device.

[0010] Optionally, a first sliding groove is provided on the side wall on one side of the blocking block, the length direction of the first sliding groove is horizontal, a first limit block is provided in the first sliding groove for sliding along its length direction, a first spring is provided between the first limit block and the bottom of the first sliding groove, and a first limit groove is provided on the side wall on one side of the blocking block, and when the blocking block is located in the blocking groove, the first limit block can be clamped in the first limit groove under the tension of the first spring.

[0011] By adopting the above technical solution, during installation, the first limit block is first pressed into the first slide groove to compress the first spring, and then the clamping block is aligned with the clamping groove and installed into the clamping groove so that the first limit block is aligned with the first limit groove. The first limit block can be clamped in the first limit groove under the tension of the first spring; by clamping the first limit block in the first limit groove, the overall stability of the device can be improved.

[0012] Optionally, the longitudinal section of the first limit block is a right triangle, and the side where one right-angled side of the first limit block is located abuts against the top surface of the first slide groove, and the side where the other right-angled side is located is fixedly connected to the first spring; when the first spring is in a balanced state, the side of the first limit block away from the first spring is located outside the first slide groove, and the side of the first limit block close to the first spring is located inside the first slide groove.

[0013] By adopting the above technical solution, during installation, the card block is aligned with the card slot. When the card block is installed downward, the side where the oblique edge of the first limit block is located can abut against the side wall of the card slot. Under the action of the side wall of the card slot, the first limit block is compressed into the first slide groove until the first limit block is aligned with the first limit groove. The first limit block can be clamped in the first limit groove under the tension of the first spring; there is no need to manually press the first limit block into the first slide groove before installation, and then align the card block with the card slot, thereby improving the convenience of operation.

[0014] Optionally, a positioning hole is provided on the outer wall of the inflatable cabinet, the length direction of the positioning hole is parallel to the length direction of the first slide groove, the positioning hole is connected to the first limiting groove, and a positioning rod is slidably provided in the positioning hole along its length direction.

[0015] By adopting the above technical solution, when the card block is installed in the card slot and the first limit block is connected to the first limit slot, the first limit block can be driven into the first limit slot by pressing the positioning rod, and the card block can be taken out of the card slot to complete the disassembly of the inflatable compartment.

[0016] Optionally, a second limiting groove is provided on a side wall on one side of the positioning hole, and a second limiting block fixedly connected to the positioning rod is slidably provided in the second limiting groove.

[0017] By adopting the above technical solution, the positioning rod can be restricted in the positioning hole, thereby preventing the positioning rod from falling out of the positioning hole during operation.

[0018] Optionally, a limiting fan-shaped groove is provided on the bottom surface of the second limiting groove on one side close to the first limiting groove, and the longitudinal section of the limiting fan-shaped groove is fan-shaped; when the second limiting block is aligned with the limiting fan-shaped groove, the second limiting block can be rotated and clamped in the limiting fan-shaped groove.

[0019] By adopting the above technical solution, when the second limit block is engaged in the limit fan-shaped groove, the end face of the positioning rod close to one end of the slot is located at the boundary between the slot and the limit groove, so that the first limit block can be limited in the first sliding groove, so that when disassembling, there is no need to manually press the positioning rod continuously to overcome the tension of the first spring, which further improves the convenience of operation.

[0020] Optionally, an adjusting rod is fixedly connected to a side of the positioning rod away from the first limiting groove, and a length direction of the adjusting rod is parallel to a length direction of the second limiting block.

[0021] By adopting the above technical solution, the positioning rod can be rotated by rotating the adjusting rod, and the direction of the second limit block can be determined by observing the direction of the adjusting rod, which further improves the convenience of operation.

[0022] In summary, this application includes at least one of the following beneficial technical effects:

[0023] 1. Through the setting of the card block and the opening of the card slot on the top of the inflatable cabinet, the installation of the inflatable compartment is simple and convenient, and it is easy to disassemble, which improves the defect that the inflatable compartment in the traditional inflatable cabinet cannot be disassembled and is not convenient for independent maintenance;

[0024] 2. By providing the first limiting block and the first spring, and providing the first limiting groove on the side wall of the slot, and providing the first sliding groove on the side wall of the locking block, when the locking block is engaged in the slot, the first limiting block can be engaged in the first limiting groove under the tension of the first spring, thereby improving the overall stability of the device;

[0025] 3. By setting the positioning rod and opening the positioning hole on the outer wall of the inflatable cabinet, when the card block is installed in the card slot and the first limit block is clamped in the first limit slot, the first limit block can be driven into the first limit slot by pressing the positioning rod, and the card block can be taken out of the card slot to complete the disassembly of the inflatable compartment. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application;

[0027] Figure 2 2 is a schematic longitudinal cross-sectional view of an embodiment of the present application;

[0028] Figure 3 yes Figure 2 A partial enlarged schematic diagram of part A;

[0029] Figure 4 is a cross-sectional schematic diagram of an embodiment of the present application;

[0030] Figure 5 yes Figure 4 A partially enlarged schematic diagram of Part B in the middle.

[0031] Explanation of the accompanying drawings: 1. Inflatable cabinet; 2. Inflatable compartment; 21. Slot; 22. First limiting slot; 23. Positioning hole; 24. Second limiting slot; 25. Limiting fan-shaped slot; 3. Block; 31. First slide slot; 4. First limiting block; 5. First spring; 6. Positioning rod; 7. Second limiting block; 8. Adjusting rod. DETAILED DESCRIPTION

[0032] The following is combined with Figure 1-5 This application is described in further detail.

[0033] The embodiment of the present application discloses a gas chamber for a circuit breaker of an inflatable cabinet. Figure 1 and Figure 2A gas chamber of a gas-filled cabinet circuit breaker includes a gas-filled cabinet body 1 and a gas-filled compartment 2, wherein the gas-filled compartment 2 is arranged on the top of the gas-filled cabinet body 1.

[0034] Reference Figure 2 and Figure 3 A card slot 21 is provided on the top surface of the inflatable cabinet 1, and a card block 3 is fixedly provided at the bottom of the inflatable compartment 2. The size of the card block 3 is adapted to the size of the card slot 21, and the card block 3 can be snapped into the card slot 21.

[0035] During installation, align the card block 3 with the card slot 21 , place the inflatable compartment 2 directly on the top of the inflatable cabinet 1 , and move the inflatable compartment 2 downward to allow the card block 3 to enter the card slot 21 .

[0036] Reference Figure 4 and Figure 5 There are four card blocks 3, which are respectively arranged at the four corners of the bottom surface of the inflatable cabinet 1; correspondingly, four card slots 21 are also opened on the top surface of the inflatable cabinet 1. When the inflatable compartment 2 is placed on the top surface of the inflatable cabinet 1, each card block 3 can be snapped into a card slot 21.

[0037] Reference Figure 3 and Figure 5 A first sliding groove 31 is provided on the side wall of one side of the card block 3, and the length direction of the first sliding groove 31 is horizontal. A first limit block 4 is slidingly arranged in the first sliding groove 31 along its length direction, and a first spring 5 is provided between the first limit block 4 and the bottom of the first sliding groove 31. A first limit groove 22 is provided on the side wall on one side of the card slot 21. When the card block 3 is located in the card slot 21, the first limit block 4 can be clamped in the first limit groove 22 under the tension of the first spring 5.

[0038] During installation, first press the first limit block 4 into the first slide groove 31 to put the first spring 5 in a compressed state, then align the clamping block 3 with the clamping groove 21, install the clamping block 3 into the clamping groove 21, and align the first limit block 4 with the first limit groove 22. The first limit block 4 can be clamped in the first limit groove 22 under the tension of the first spring 5.

[0039] Reference Figure 3 and Figure 5 The longitudinal section of the first limit block 4 is a right triangle, one side of the first limit block 4 where one right-angled side is located abuts against the top surface of the first slide groove 31, and the other side where the other right-angled side is located is fixedly connected to the first spring 5; when the first spring 5 is in a balanced state, the side of the first limit block 4 away from the first spring 5 is located outside the first slide groove 31, and the side of the first limit block 4 close to the first spring 5 is located inside the first slide groove 31.

[0040] During installation, align the card block 3 with the card slot 21. When installing the card block 3 downward, the side where the oblique edge of the first limit block 4 is located can abut against the side wall of the card slot 21. Under the action of the side wall of the card slot 21, the first limit block 4 is compressed into the first slide groove 31 until the first limit block 4 is aligned with the first limit groove 22. The first limit block 4 can be clamped in the first limit groove 22 under the tension of the first spring 5 to complete the installation.

[0041] Reference Figure 3 and Figure 5 A positioning hole 23 is defined on the outer wall of the inflatable cabinet 1. The length of the positioning hole 23 is parallel to the length of the first chute 31 and is connected to the first limiting slot 22. A positioning rod 6 is slidably disposed within the positioning hole 23 along its length. When the clamping block 3 is installed in the clamping slot 21 and the first limiting block 4 is engaged in the first limiting slot 22, the clamping block 3 can be removed from the clamping slot 21 by pressing the positioning rod 6 to drive the first limiting block 4 into the first limiting slot 22, thereby completing the disassembly of the inflatable compartment 2.

[0042] Reference Figure 3 and Figure 5 A second limiting groove 24 is defined on the sidewall of one side of the positioning hole 23. A second limiting block 7, fixedly connected to the positioning rod 6, is slidably disposed within the second limiting groove 24. A limiting fan-shaped groove 25 is defined on the bottom surface of the second limiting groove 24 on the side closest to the first limiting groove 22. The limiting fan-shaped groove 25 has a fan-shaped longitudinal cross-section. When the second limiting block 7 is aligned with the limiting fan-shaped groove 25, the second limiting block 7 can rotate and engage within the limiting fan-shaped groove 25. An adjustment rod 8 is fixedly connected to the side of the positioning rod 6 away from the first limiting groove 22. The length of the adjustment rod 8 is parallel to that of the second limiting block 7.

[0043] During disassembly, the adjusting rod 8 is pressed toward the direction close to the block 3, driving the positioning rod 6 to move toward the direction close to the block 3, thereby driving the first limit block 4 to move toward the bottom of the first limit groove 22, driving the first spring 5 to be in a compressed state until the second limit block 7 is aligned with the limit fan-shaped groove 25. At this time, the first limit block 4 completely enters the first slide groove 31; rotating the adjusting rod 8 drives the positioning rod 6 to rotate, driving the second limit block 7 to rotate into the limit fan-shaped groove 25, so that the first limit block 4 can continue to be in the first slide groove 31, and the inflatable compartment 2 can be lifted upward to disassemble the inflatable compartment 2.

[0044] The implementation principle of the gas chamber of the inflatable cabinet circuit breaker in the embodiment of the present application is as follows:

[0045] During installation, align the card block 3 with the card slot 21. When installing the card block 3 downward, the side where the oblique edge of the first limit block 4 is located can abut against the side wall of the card slot 21. Under the action of the side wall of the card slot 21, the first limit block 4 is compressed into the first slide groove 31 until the first limit block 4 is aligned with the first limit groove 22. The first limit block 4 can be clamped in the first limit groove 22 under the tension of the first spring 5 to complete the installation.

[0046] During disassembly, the adjusting rod 8 is pressed toward the direction close to the block 3, driving the positioning rod 6 to move toward the direction close to the block 3, thereby driving the first limit block 4 to move toward the bottom of the first limit groove 22, driving the first spring 5 to be in a compressed state until the second limit block 7 is aligned with the limit fan-shaped groove 25. At this time, the first limit block 4 completely enters the first slide groove 31; rotating the adjusting rod 8 drives the positioning rod 6 to rotate, driving the second limit block 7 to rotate into the limit fan-shaped groove 25, so that the first limit block 4 can continue to be in the first slide groove 31, and the inflatable compartment 2 can be lifted upward to disassemble the inflatable compartment 2.

[0047] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A gas chamber for a circuit breaker in an inflatable cabinet, characterized in that: The invention comprises an inflatable cabinet (1) and an inflatable compartment (2), wherein the inflatable compartment (2) is arranged on the top of the inflatable cabinet (1), a card slot (21) is provided on the top surface of the inflatable cabinet (1), and a card block (3) is fixedly provided on the bottom of the inflatable compartment (2), the size of the card block (3) and the size of the card slot (21) are mutually adapted, and the card block (3) can be carded into the card slot (21).

2. The gas chamber of a gas-filled cabinet circuit breaker according to claim 1, characterized in that: There are four card blocks (3), which are respectively arranged at the four corners of the bottom surface of the inflatable cabinet (1); correspondingly, four card slots (21) are also provided on the top surface of the inflatable cabinet (1); when the inflatable compartment (2) is placed on the top surface of the inflatable cabinet (1), each card block (3) can be snapped into one of the card slots (21).

3. The gas chamber of a gas-filled cabinet circuit breaker according to claim 2, characterized in that: A first sliding groove (31) is provided on the side wall of one side of the clamping block (3), the length direction of the first sliding groove (31) is horizontal, a first limiting block (4) is provided in the first sliding groove (31) for sliding along its length direction, a first spring (5) is provided between the first limiting block (4) and the bottom of the first sliding groove (31), a first limiting groove (22) is provided on the side wall of one side of the clamping groove (21), and when the clamping block (3) is located in the clamping groove (21), the first limiting block (4) can be clamped in the first limiting groove (22) under the tension of the first spring (5).

4. The gas chamber of a gas-filled cabinet circuit breaker according to claim 3, characterized in that: The longitudinal section of the first limit block (4) is a right triangle, one side of the first limit block (4) where one right-angled side is located abuts against the top surface of the first slide groove (31), and the other side of the first right-angled side is fixedly connected to the first spring (5); when the first spring (5) is in a balanced state, the side of the first limit block (4) away from the first spring (5) is located outside the first slide groove (31), and the side of the first limit block (4) close to the first spring (5) is located inside the first slide groove (31).

5. The gas chamber of a gas-filled cabinet circuit breaker according to claim 4, characterized in that: A positioning hole (23) is provided on the outer wall of the inflatable cabinet (1), the length direction of the positioning hole (23) is parallel to the length direction of the first slide groove (31), the positioning hole (23) is connected to the first limiting groove (22), and a positioning rod (6) is slidably provided in the positioning hole (23) along its length direction.

6. The gas chamber of a gas-filled cabinet circuit breaker according to claim 5, characterized in that: A second limiting groove (24) is provided on a side wall of one side of the positioning hole (23), and a second limiting block (7) fixedly connected to the positioning rod (6) is slidably provided in the second limiting groove (24).

7. The gas chamber of a gas-filled cabinet circuit breaker according to claim 6, characterized in that: A limiting fan-shaped groove (25) is provided on the bottom surface of the second limiting groove (24) on one side close to the first limiting groove (22), and the longitudinal section of the limiting fan-shaped groove (25) is fan-shaped; when the second limiting block (7) is aligned with the limiting fan-shaped groove (25), the second limiting block (7) can be rotated and engaged in the limiting fan-shaped groove (25).

8. The gas chamber of a gas-filled cabinet circuit breaker according to claim 7, characterized in that: An adjusting rod (8) is fixedly connected to the side of the positioning rod (6) away from the first limiting groove (22), and the length direction of the adjusting rod (8) is parallel to the length direction of the second limiting block (7).

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