Intelligent power grid high-voltage vacuum circuit breaker

Abstract

The utility model relates to the technical field of power equipment, and discloses an intelligent power grid high-voltage vacuum circuit breaker, which comprises an intelligent high-voltage vacuum circuit breaker, arc extinguish chambers are uniformly arranged on the top surface of the intelligent high-voltage vacuum circuit breaker, and two sides of the intelligent high-voltage vacuum circuit breaker are oppositely and fixedly connected with mounting blocks. The intelligent high-voltage vacuum circuit breaker comprises an arc extinguish chamber and an intelligent high-voltage vacuum circuit breaker, mounting blocks are arranged in the arc extinguish chamber, bolts are symmetrically connected to the top surfaces of the mounting blocks in a threaded mode, protective assemblies are arranged on the top surfaces of the mounting blocks, connecting assemblies are arranged between the arc extinguish chamber and the top surface of the intelligent high-voltage vacuum circuit breaker, each protective assembly comprises a protective cap, and connecting rings are fixedly connected to the peripheral surfaces of the protective caps. According to the protective device, through the arrangement of the protective assembly, the oxidation speed of the bolt is reduced, so that follow-up disassembly of the bolt is facilitated, the protective cap is matched with the L-shaped clamping groove through the oblique angle bolt, tool-free operation of the whole process of rapid disassembly is achieved, and the disassembly and assembly time of the protective device is shortened.

Description

TECHNICAL FIELD

[0001] The utility model relates to power equipment technical field especially relates to a kind of intelligent power grid high-voltage vacuum circuit breaker. BACKGROUND

[0002] In solar energy, wind energy and other new energy power generation systems, high-voltage vacuum circuit breakers can adapt to their intermittent and volatility characteristics, ensuring the safe, stable access and delivery of new energy. In the upgrading and transformation of urban power grids, high-voltage vacuum circuit breakers, with their small size and superior performance, have become the ideal choice to replace traditional oil circuit breakers. At the same time, intelligent power grids require power equipment to have intelligent and automated functions. High-voltage vacuum circuit breakers can be integrated with sensors and communication modules to achieve remote monitoring, fault diagnosis and automatic control, support seamless integration with the dispatching and protection systems of intelligent power grids, and improve the flexibility and response speed of power grids.

[0003] However, existing intelligent power grid high-voltage vacuum circuit breakers are fixed and installed on mounting racks with the help of bolt and nut cooperation. Therefore, intelligent power grid high-voltage vacuum circuit breakers are exposed to the open air for a long time, which makes it easy for rainwater to enter the gap between the bolt and the mounting hole. Rainwater can cause the bolt to oxidize, and over time, the connection between the bolt and the mounting hole becomes extremely tight. This situation greatly inconveniences subsequent maintenance and disassembly of the high-voltage vacuum circuit breaker by workers. SUMMARY

[0004] To overcome the shortcomings of the prior art, the utility model provides an intelligent power grid high-voltage vacuum circuit breaker, which has the advantages of corrosion resistance and easy maintenance and disassembly. It solves the problem of the installation bolt of the existing intelligent power grid high-voltage vacuum circuit breaker being exposed to the open air for a long time, which greatly inconveniences subsequent maintenance and disassembly of the high-voltage vacuum circuit breaker by workers.

[0005] The utility model provides following technical scheme: A kind of intelligent power grid high-voltage vacuum circuit breaker, including intelligent high-voltage vacuum circuit breaker, the top surface of the intelligent high-voltage vacuum circuit breaker is evenly provided with arc extinguishing chamber, the both sides of the intelligent high-voltage vacuum circuit breaker are fixedly connected with mounting block, the top surface of the mounting block is all symmetrically screw-connected with bolt, the top surface of the mounting block is provided with protection assembly, the top surface between the arc extinguishing chamber and intelligent high-voltage vacuum circuit breaker is all provided with connecting assembly, the protection assembly includes protective cap, the outer peripheral surface of the protective cap is all fixedly connected with connecting ring, the surface of the connecting ring is symmetrically penetrated with guide slot, the inside of the connecting ring is all symmetrically provided with mounting groove, the inside of the connecting ring is all symmetrically provided with lever, the waist of the lever is all fixedly connected with limit plate, the bottom end surface of the limit plate is all fixedly connected with bolt, the top surface of the mounting block is all provided with L-shaped clamping groove, the top surface of the mounting block is symmetrically fixedly connected with blocking ring, the bottom surface of the connecting ring is all provided with connecting groove, the end surface of limit plate close to protective cap is all fixedly connected with spring.

[0006] Preferably: the connecting assembly includes the threaded sleeve rotatably connected to the bottom surface of the arc extinguishing chamber, the inside of the threaded sleeve is provided with a clamping groove, the inside of the threaded sleeve is provided with a sealing gasket, and the top surface of the intelligent high-voltage vacuum circuit breaker is fixedly connected with a threaded connector.

[0007] Preferably: the sealing gaskets are clamped in the inside of the clamping grooves, and the threaded sleeves are threadedly connected with the threaded connectors.

[0008] Preferably: the protective caps are all arranged above the bolts, and the guide slots and the mounting grooves are in communication with each other.

[0009] Preferably: the levers are all slidingly connected in the inside of the guide slots, the limit plates are slidingly connected in the inside of the mounting grooves, and the mounting grooves can limit the limit plates.

[0010] Preferably: the bolts are slidingly connected in the inside of the L-shaped clamping grooves, the bottom surfaces of the bolts are all arranged at an angle, and the connecting rings are slidingly connected to the surfaces of the blocking rings through the connecting grooves.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. By the arrangement of the protection assembly, the sliding cooperation of the blocking ring and the connecting groove forms a physical barrier, combined with the cover structure of the protective cap, a double waterproof line is formed, ensuring the long-term stability of the bolt in heavy rain or high humidity environment, reducing the oxidation speed of the bolt, thereby facilitating the subsequent disassembly of the bolt, and the cooperation of the protective cap and the L-shaped clamping groove through the angled bolt realizes the full-process tool-free operation of vertical pressing automatic locking and lever pulling quick disassembly, shortening the disassembly time of the protection device.

[0013] 2, through the setting of the connecting assembly, the axial compression sealing is realized through the abutment of the threaded connecting piece, the sealing gasket is clamped in the clamping groove, the installation deviation is avoided, the air tightness of the arc extinguishing chamber and the joint surface of the circuit breaker is ensured, the arc gas leakage or external moisture intrusion is effectively prevented, the insulation performance of the equipment is improved, the replacement of the arc extinguishing chamber only needs to rotate the threaded sleeve to complete the disassembly and assembly, without disassembling the main body of the circuit breaker or special tools, so that the fault repair time is shortened, the live replacement operation is supported, the continuous power supply reliability of the smart grid is enhanced, and the power loss is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the front view of the structure of the utility model;

[0015] Figure 2 It is the schematic view of the protection assembly in the structure of the utility model;

[0016] Figure 3 It is the schematic view of the connecting assembly in the structure of the utility model.

[0017] In the drawing: 1, intelligent high-voltage vacuum circuit breaker; 2, arc extinguishing chamber; 3, mounting block; 4, bolt; 5, protection assembly; 51, protection cap; 52, connecting ring; 53, guide groove; 54, mounting groove; 55, lever; 56, limiting plate; 57, bolt; 58, L-shaped clamping groove; 59, blocking ring; 511, connecting groove; 512, spring; 6, connecting assembly; 61, threaded sleeve; 62, clamping groove; 63, sealing gasket; 64, threaded connecting piece. DETAILED DESCRIPTION

[0018] The technical scheme 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.

[0019] Please refer to Figure 1 - Figure 3The utility model provides an embodiment: a kind of smart grid high-voltage vacuum circuit breaker, including intelligent high-voltage vacuum circuit breaker 1, the top surface of intelligent high-voltage vacuum circuit breaker 1 is evenly provided with arc-extinguishing chamber 2, the both sides of intelligent high-voltage vacuum circuit breaker 1 are oppositely fixedly connected with mounting block 3, the top surface of mounting block 3 is all symmetrically screw-threaded connection with bolt 4, the top surface of mounting block 3 is all provided with protection assembly 5, arc-extinguishing chamber 2 and the top surface of intelligent high-voltage vacuum circuit breaker 1 between are all provided with connecting assembly 6, protection assembly 5 includes protective cap 51, the outer peripheral surface of protective cap 51 is all fixedly connected with connecting ring 52, the surface of connecting ring 52 is symmetrically penetrated with guide slot 53, the inside of connecting ring 52 is all symmetrically provided with installation slot 54, the inside of connecting ring 52 is all symmetrically provided with lever 55, the waist of lever 55 is all fixedly connected with limit plate 56, the bottom end surface of limit plate 56 is all fixedly connected with bolt 57, the top surface of mounting block 3 is all provided with L-shaped clamping groove 58, the top surface of mounting block 3 is symmetrically fixedly connected with blocking ring 59, the bottom surface of connecting ring 52 is all provided with connecting groove 511, the end surface of limit plate 56 close to protective cap 51 is all fixedly connected with spring 512, protective cap 51 is all set in the upper of bolt 4, guide slot 53 and installation slot 54 are mutually communicated, lever 55 is all slidingly connected in the inside of guide slot 53, limit plate 56 is slidingly connected in the inside of installation slot 54, and installation slot 54 can limit limit plate 56, bolt 57 is slidingly connected in the inside of L-shaped clamping groove 58, the bottom surface of bolt 57 is all set as bevel, connecting ring 52 is all slidingly connected on the surface of blocking ring 59 through connecting groove 511, and blocking ring 59 is set between two guide slots 53, when blocking ring 59 enters the inside of connecting groove 511, waterproof effect is realized in cooperation with protective cap 51, limit plate 56 is circular structure, and its diameter is greater than the width of lever 55, therefore, installation slot 54 can limit limit plate 56,

[0020] Please refer to Figure 1 Figure 3 Connecting assembly 6 includes threaded sleeve 61 rotatably connected to the bottom surface of arc-extinguishing chamber 2, clamping groove 62 is formed in the inside of threaded sleeve 61, sealing gasket 63 is arranged in the inside of threaded sleeve 61, threaded connecting piece 64 is fixedly connected to the top surface of intelligent high-voltage vacuum circuit breaker 1, sealing gasket 63 is clamped in the inside of clamping groove 62, threaded sleeve 61 is threadedly connected with threaded connecting piece 64, when replacing arc-extinguishing chamber 2, only need to rotate threaded sleeve 61, and threaded sleeve 61 can be unscrewed from the surface of threaded connecting piece 64, during installation, threaded sleeve 61 is threadedly connected to the surface of threaded connecting piece 64, so that the top of threaded connecting piece 64 abuts against the bottom surface of sealing gasket 63.

[0021] ​Working principle: after the installation of intelligent high-voltage vacuum circuit breaker 1 is completed, the protective cap 51 is sleeved on the bolt 4 above the top of the mounting block 3, the connecting groove 511 at the bottom of the connecting ring 52 is aligned with the blocking ring 59 on the top surface of the mounting block 3, the latch 57 is aligned with the corresponding L-shaped slot 58, the protective cap 51 is pressed vertically, the blocking ring 59 enters the inside of the connecting groove 511, the inclined angle at the bottom of the latch 57 is set to make it shrink inward automatically when it enters the L-shaped slot 58, and the spring 512 is compressed through the limiting plate 56, when the latch 57 completely enters the horizontal section of the L-shaped slot 58, the spring 512 pushes the limiting plate 56 to reset, the latch 57 is inserted into the inside of the L-shaped slot 58 under the action of the spring 512, forming bidirectional limiting, at this time the protective cap 51 is fixed through the engagement of the latch 57 and the L-shaped slot 58, the connecting ring 52 is prevented from moving horizontally through the cooperation of the connecting groove 511 and the blocking ring 59, at the same time, the blocking ring 59 is arranged between the two guide grooves 53, when the blocking ring 59 enters the inside of the connecting groove 511, it realizes waterproof effect in cooperation with the protective cap 51, when the protective cap 51 is disassembled, the head of the lever 55 is pushed in the direction of the protective cap 51, so as to drive the limiting plate 56 to move and compress the spring 512, the bottom of the lever 55 drives the latch 57 to separate from the inside of the L-shaped slot 58, after the limiting of the latch 57 is released, the protective cap 51 is pulled vertically upward, the connecting ring 52 slides out along the surface of the blocking ring 59, and the disassembly is completed, when the arc extinguishing chamber 2 is replaced, only the threaded sleeve 61 is rotated, and the threaded sleeve 61 is unscrewed from the surface of the threaded connecting piece 64, when installed, the threaded sleeve 61 is screwed on the surface of the threaded connecting piece 64, and the top of the threaded connecting piece 64 abuts against the bottom surface of the sealing gasket 63.

Claims

1. A smart grid high voltage vacuum circuit breaker comprising a smart high voltage vacuum circuit breaker (1), characterized in that: The top surface of the intelligent high-voltage vacuum circuit breaker (1) is uniformly provided with an arc-extinguishing chamber (2), both sides of the intelligent high-voltage vacuum circuit breaker (1) are fixedly connected with mounting blocks (3), the top surface of the mounting block (3) is symmetrically and threadedly connected with bolts (4), and the top surface of the mounting block (3) is provided with a protection assembly (5), and the arc-extinguishing chamber (2) and the top surface of the intelligent high-voltage vacuum circuit breaker (1) are provided with a connecting assembly (6). The protection assembly (5) comprises a protection cap (51), the outer peripheral surface of the protection cap (51) is fixedly connected with a connecting ring (52), the surface of the connecting ring (52) is symmetrically penetrated with a guide groove (53), the inside of the connecting ring (52) is symmetrically provided with a mounting groove (54), the inside of the connecting ring (52) is symmetrically provided with a lever (55), the waist of the lever (55) is fixedly connected with a limiting plate (56), the bottom end surface of the limiting plate (56) is fixedly connected with a bolt (57), the top surface of the mounting block (3) is provided with an L-shaped clamping groove (58), the top surface of the mounting block (3) is symmetrically fixedly connected with a blocking ring (59), the bottom surface of the connecting ring (52) is provided with a connecting groove (511), and the end surface of the limiting plate (56) close to the protection cap (51) is fixedly connected with a spring (512).

2. The smart grid high voltage vacuum circuit breaker as claimed in claim 1, wherein: The connecting assembly (6) comprises a threaded sleeve (61) rotatably connected to the bottom surface of the arc-extinguishing chamber (2), the inside of the threaded sleeve (61) is provided with a clamping groove (62), the inside of the threaded sleeve (61) is provided with a sealing gasket (63), and the top surface of the intelligent high-voltage vacuum circuit breaker (1) is fixedly connected with a threaded connecting piece (64).

3. The smart grid high voltage vacuum circuit breaker as claimed in claim 2, wherein: The sealing gasket (63) is clamped in the inside of the clamping groove (62), and the threaded sleeve (61) is threadedly connected with the threaded connecting piece (64).

4. The smart grid high voltage vacuum circuit breaker as claimed in claim 1, wherein: The protection cap (51) is arranged above the bolt (4), and the guide groove (53) and the mounting groove (54) are in communication with each other.

5. The smart grid high voltage vacuum circuit breaker as claimed in claim 1, wherein: The lever (55) is slidably connected in the inside of the guide groove (53), and the limiting plate (56) is slidably connected in the inside of the mounting groove (54), and the mounting groove (54) can limit the limiting plate (56).

6. The smart grid high voltage vacuum circuit breaker of claim 1, wherein: The bolt (57) is slidably connected in the inside of the L-shaped clamping groove (58), the bottom surface of the bolt (57) is arranged at an inclined angle, and the connecting ring (52) is slidably connected to the surface of the blocking ring (59) through the connecting groove (511).

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