10kv primary and secondary deep fusion vacuum circuit breaker

Abstract

The utility model relates to a 10kv primary and secondary deep fusion vacuum circuit breaker. The technical problem to be solved by the utility model is to provide a 10kv primary and secondary deep fusion vacuum circuit breaker. According to the technical scheme, the circuit breaker comprises a circuit breaker shell, a pole module, a mutual inductor and a standby box body detachably fixed to the side portion of the circuit breaker shell through a box body connecting device, the box body connecting device comprises a box body clamping base, the circuit breaker shell comprises a shell side plate, the box body connecting device is arranged in the shell side plate, and the box body clamping base is arranged on the box body clamping base. A clamping seat wire gathering hole is formed in the middle of the box body clamping seat, and a clamping seat clamping part and a clamping seat mounting part are arranged at the upper end and the lower end of the clamping seat wire gathering hole of the box body clamping seat. Compared with the prior art, the utility model has the advantages that the improved standby box body realizes detachable design through the box body connecting device, realizes flexible mounting and dismounting of the standby box body, is convenient to increase and decrease modules quickly according to actual requirements, enhances the universality and suitability of equipment, and is suitable for diversified application scenes.

Description

Technical Field

[0001] This utility model relates to a 10kV primary and secondary deep integration vacuum circuit breaker. Background Technology

[0002] The 10kV deep-integrated vacuum circuit breaker is a key piece of equipment used in medium-voltage power grids, integrating the functions of primary equipment (such as vacuum interrupters and pole modules) and secondary equipment (such as protection devices and instrument transformers). Traditional deep-integrated vacuum circuit breakers have the following drawbacks in practical use: 1. Limited equipment expansion capabilities. Some with expansion structures use welded connections between the spare enclosure and the circuit breaker housing, limiting flexible installation and disassembly as needed, thus restricting their use and making it difficult to adapt to diverse application scenarios; 2. The interface between the spare enclosure and the housing typically lacks an effective sealing structure, resulting in poor versatility and sealing. Improvements and optimizations are needed to address these issues. Utility Model Content

[0003] To solve the above problems, the technical problem to be solved by this utility model is to provide a 10kV primary and secondary deep integration vacuum circuit breaker.

[0004] The technical solution adopted by this utility model of a 10kV primary and secondary deep integration vacuum circuit breaker is characterized by comprising a circuit breaker housing, pole modules spaced apart on the circuit breaker housing, a current transformer, and a spare enclosure detachably fixed to the side of the circuit breaker housing via an enclosure connection device. The enclosure connection device includes an enclosure bracket, the circuit breaker housing includes a housing side plate, the enclosure connection device is disposed inside the housing side plate, the enclosure bracket has a bracket cable-gathering hole in the middle for the circuit breaker internal lines to converge, the enclosure bracket has a bracket engaging part and a bracket mounting part at the upper and lower ends of the bracket cable-gathering hole, the bracket mounting part has a bracket mounting hole, the bracket engaging part has an elastic block, and the housing side plate has a housing through hole communicating with the bracket cable-gathering hole, a housing first clearance opening, and a housing fixing hole that mates with the bracket mounting hole.

[0005] The spare box has an inner cavity. The bottom surface of the inner cavity has a box docking hole, a box through-hole, and a box limiting protrusion that are connected to the cable gathering hole of the card seat. The box limiting protrusion has a box latch. The card seat latching part passes through the first clearance opening of the shell and the box through-hole in sequence. The elastic block is latched together with the box latch.

[0006] The box connecting device further comprises a water-blocking seal plate, the box clamping seat is provided with a clamping stroke slot transversely arranged and used for moving the water-blocking seal plate left and right, the clamping stroke slot is provided with the clamping seat converging hole, the left and right ends of the clamping stroke slot are provided with stroke stop portions, the seal plate main body is provided with a seal plate through hole communicated with the clamping seat converging hole, and the shell side plate and the box inner cavity bottom surface are both provided with a hand operation opening facilitating left and right movement of the seal plate main body.

[0007] The water-blocking seal plate further comprises seal plate positioning protrusions arranged at both ends of the seal plate main body, the stroke stop portions are provided with stroke stop portion positioning openings opposite to the seal plate positioning protrusions, and the seal plate positioning protrusions are provided with seal plate clamping convex points on the upper and lower sides.

[0008] The backup box back surface is provided with a box butt joint hole surrounding edge which can be inserted into the shell through hole at the box butt joint hole.

[0009] The seal plate main body is provided with a seal plate hand holding plate corresponding to the hand operation opening.

[0010] The 10kv primary and secondary depth fusion vacuum circuit breaker has the advantages that the improved backup box is detachably designed through the box connecting device, flexible installation and disassembly of the backup box are realized, modules can be quickly added or removed according to actual needs, the versatility and adaptability of the equipment are enhanced, and the equipment is suitable for diversified application scenarios; the water-blocking seal plate is additionally arranged, the position of the water-blocking seal plate is adjusted as required, the clamping seat converging hole is closed and opened, dust and moisture are effectively prevented from entering the circuit breaker shell, and the sealing and protection performance is enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0011] The utility model will be further explained in detail in connection with the drawings and specific embodiment.

[0012] Figure 1 It is the side view of the 10kv primary and secondary depth fusion vacuum circuit breaker of the utility model;

[0013] Figure 2 It is the side view of the circuit breaker shell of the utility model;

[0014] Figure 3 It is the structure schematic view of the box connecting device of the utility model;

[0015] Figure 4 It is the structure schematic view of the box clamping seat of the utility model;

[0016] Figure 5 It is the front structure schematic view of the backup box of the utility model;

[0017] Figure 6 It is the structure schematic view of the water-blocking seal plate of the utility model;

[0018] Figure 7 Is the back structure schematic diagram of the spare box of the utility model. DETAILED DESCRIPTION

[0019] As Figures 1-7 shown, the utility model relates to 10kv primary and secondary depth fusion vacuum circuit breaker, including circuit breaker casing 1, pole module 2 that interval is established on circuit breaker casing 1, mutual inductor 3, spare box 5 that can be detachably fixed in the side part of circuit breaker casing 1 through box connecting device 4, box connecting device 4 includes box card seat 6, circuit breaker casing 1 includes casing side plate 9, box connecting device 4 is located inside casing side plate 9, the middle part of box card seat 6 is equipped with the card seat convergence line hole 10 for the convergence of circuit breaker internal circuit, box card seat 6 is equipped with card seat joint part 11, card seat mounting portion 12 on the upper and lower end of card seat convergence line hole 10, card seat mounting hole 13 is equipped on card seat mounting portion 12, and elastic clamping block 14 is equipped on card seat joint part 11, casing through-hole 15, casing first let -go mouth 16 and casing fixed hole 17 that butt joint with card seat mounting hole 13 are equipped on casing side plate 9 and pass through casing and set mouth 22 and casing limiting protrusion 23 that butt joint with card seat convergence line hole 10 are equipped on the bottom surface of box inner cavity 20, and box bayonet 24 is equipped on casing limiting protrusion 23, card seat joint part 11 passes through casing first let -go mouth 16 and casing and set mouth 22 in proper order, and elastic clamping block 14 and box bayonet 24 are clamped together, and spare box 5 realizes detachable design through box connecting device 4, realizes the flexible installation and disassembly of spare box 5, and it is convenient to increase and reduce the module according to actual needs, enhances the versatility and adaptability of equipment, and is applicable to diversified application scenarios.

[0020] Box connecting device 4 still includes water baffle sealing plate 7, and the water baffle sealing plate 7 includes sealing plate main body 26, and the box card seat 6 is equipped with the card seat travel groove 28 that is horizontally arranged and is used for the left and right movement of the water baffle sealing plate 7, and the card seat convergence line hole 10 is equipped in the card seat travel groove 28, and the travel stop portion 29 is equipped at the left and right ends of the card seat travel groove 28, and the sealing plate main body 26 is equipped with the sealing plate pass -through hole 31 that communicates with the card seat convergence line hole 10, and the casing side plate 9 and the bottom surface of the box inner cavity 20 are all equipped with hand operating mouth 32 that is convenient for operating the left and right movement of the sealing plate main body 26, by adding water baffle sealing plate 7, the position of water baffle sealing plate is adjusted according to needs, the closure and opening of card seat convergence line hole 10 are realized, dust and moisture are effectively avoided to enter the inside of circuit breaker casing 1, and sealing protection performance is enhanced.

[0021] The water blocking sealing plate 7 further comprises sealing plate positioning protrusions 27 arranged at both ends of the sealing plate body 26, the travel blocking portion 29 is internally provided with travel blocking portion positioning openings 30 corresponding to the sealing plate positioning protrusions 27, and the sealing plate positioning protrusions 27 are provided with sealing plate clamping protrusions 35 on the upper and lower sides, so that the water blocking sealing plate can be accurately positioned after being moved into position, and the fixing performance of the water blocking sealing plate is enhanced.

[0022] The back of the spare box 5 is provided with a box butt joint hole surrounding edge 36 at the box butt joint hole 21, which can be inserted into the shell through hole 15, so that the butt joint precision between the spare box 5 and the shell side plate 9 is enhanced, and the sealing effect at the connection between the box and the shell is improved.

[0023] The sealing plate body 26 is provided with a sealing plate hand holding plate 37 corresponding to the hand operating opening 32, so that the user can conveniently operate the water blocking sealing plate left and right, the operation is convenient, and the usability of the device is improved.

[0024] The above only describes the preferred embodiments of the present application, and is not used to limit the present application, and any modification, equivalent replacement and improvement within the spirit and principle of the present application are included in the protection scope of the present application.

Claims

1. A 10kv primary and secondary deeply fused vacuum circuit breaker, characterized in that: The utility model relates to a circuit breaker shell (1), pole module (2) is arranged at interval in the circuit breaker shell (1), mutual inductor (3), spare box (5) is detachably fixed in the side of circuit breaker shell (1) through box connecting device (4), the box connecting device (4) includes box card seat (6), the circuit breaker shell (1) includes shell side plate (9), the box connecting device (4) is arranged inside the shell side plate (9), the middle part of box card seat (6) is equipped with the card seat convergence line hole (10) for the circuit breaker internal circuit convergence, the upper and lower end of card seat convergence line hole (10) is equipped with the card seat joint part (11) of card seat mounting part (12), the card seat mounting hole (13) of being equipped with is located on the card seat mounting part (12), the elastic clamping block (14) of being equipped with is located on the card seat joint part (11), the shell through -hole (15) of being equipped with with card seat convergence line hole (10) is communicated, shell first let -go mouth (16) and the shell fixed hole (17) of being equipped with with the card seat mounting hole (13) butt joint are arranged on the shell side plate (9), The spare box (5) is equipped with box inner chamber (20) in, the bottom surface of box inner chamber (20) is equipped with the box butt joint hole (21) of butt joint with card seat convergence line hole (10), box through -set mouth (22) and box limiting protruding (23), the box bayonet (24) of being equipped with is located on the box limiting protruding (23), the card seat joint part (11) passes through the shell first let -go mouth (16) and box through -set mouth (22) in proper order, the elastic clamping block (14) and the box bayonet (24) are clamped together.

2. The 10 kV primary and secondary deeply fused vacuum circuit breaker according to claim 1, characterized in that: The box connecting device (4) still includes water retaining sealing plate (7), the water retaining sealing plate (7) includes sealing plate main part (26), the card seat convergence line hole (10) is equipped with in the card seat joint part (11) of being equipped with with the card seat convergence line hole (10) is communicated, the card seat convergence line hole (10) is communicated, the shell through -hole (15) and the shell fixed hole (17) of being equipped with with the card seat mounting hole (13) butt joint are arranged on the shell side plate (9), 3. The 10 kV primary and secondary deeply fused vacuum circuit breaker according to claim 2, characterized in that: The water retaining sealing plate (7) still includes sealing plate positioning protruding (27) being equipped in the both ends of sealing plate main part (26), the travel stop portion positioning hole (30) of being equipped with with sealing plate positioning protruding (27) is opposite in the travel stop portion (29), the sealing plate clamping convex point (35) of being equipped with is located on the upper side of sealing plate positioning protruding (27).

4. The 10 kV primary and secondary deeply fused vacuum circuit breaker according to claim 1, characterized in that: The back of spare box (5) is equipped with box butt joint hole surrounding edge (36) in box butt joint hole (21), and the box butt joint hole surrounding edge (36) can be inserted into shell through -hole (15).

5. The 10 kV primary and secondary deeply fused vacuum circuit breaker according to claim 2, characterized in that: The sealing plate hand -held plate (37) of being equipped with is located on the sealing plate main part (26) with the hand -operated mouth (32) corresponding.

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