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CN-224216223-U - Circuit breaker leak hunting vacuum box and leak hunting equipment thereof

CN224216223UCN 224216223 UCN224216223 UCN 224216223UCN-224216223-U

Abstract

The application discloses a circuit breaker leak detection vacuum box and leak detection equipment thereof, and belongs to the field of leak detection vacuum boxes, wherein the circuit breaker leak detection vacuum box comprises a shell, a vacuum box body is arranged in the shell, the top of the vacuum box body is rotationally connected with a sealing cover, the outer side of the sealing cover is rotationally connected with a bolt, the outer edge of the bolt is fixedly provided with an electromagnet, the outer wall of the vacuum box body is fixedly provided with a positioning frame, and the outer wall of the vacuum box body is rotationally connected with an electric telescopic rod; the connecting shaft is driven to move downwards through the driving electric telescopic rod until the bottom of the sealing cover is tightly attached to the sealing strip, and the elastic reset force of the tension spring can pull the sealing cover to move downwards when the sealing cover moves downwards, the sealing cover is stably buckled at the top of the vacuum box body, the two sides of the sealing cover are positioned by the matching electromagnet, the tightness of the inside of the vacuum box body when the sealing cover is closed is guaranteed, and the accuracy of data during leakage detection is further guaranteed.

Inventors

  • LI RONGBIN
  • HUANG HAOCHENG
  • LIN MAOXING

Assignees

  • 福建中网电气有限公司

Dates

Publication Date
20260508
Application Date
20250523

Claims (6)

  1. 1. The utility model provides a circuit breaker leak hunting vacuum box, includes shell (1), its characterized in that, internally mounted of shell (1) has vacuum box (2), the top of vacuum box (2) rotates and is connected with sealed lid (5), the outside of sealed lid (5) rotates and is connected with bolt (7), the outside of bolt (7) is followed fixed mounting and is had electro-magnet (8), the outer wall fixed mounting of vacuum box (2) has locating rack (9), the outer wall of vacuum box (2) rotates and is connected with electric telescopic handle (10), the output shaft of electric telescopic handle (10) rotates and is connected with connecting axle (11), the outer wall fixed mounting of vacuum box (2) has fixed plate (12), the inner wall of fixed plate (12) has hooked one end of extension spring (13), the other end of extension spring (13) has hooked reinforcing plate (16), the back side fixed mounting of reinforcing plate (16) has connecting plate (14), the outer wall fixed mounting of sealed lid (5) has pull rod (15).
  2. 2. The circuit breaker leak detection vacuum box according to claim 1, wherein a sealing strip (6) is installed at the top of the vacuum box body (2), the bottom of the sealing cover (5) is tightly attached to the sealing strip (6), and the sealing strip (6) is made of rubber.
  3. 3. The circuit breaker leakage detection vacuum box according to claim 1, wherein the bottom end of the plug pin (7) is inserted into the inner wall of the positioning frame (9), the bottom of the electromagnet (8) is attached to the positioning frame (9), and the positioning frame (9) is made of magnetic materials.
  4. 4. The vacuum box for detecting leakage of the circuit breaker according to claim 1, wherein the connecting shaft (11) is fixedly connected with the outer wall of the sealing cover (5).
  5. 5. The vacuum box for detecting leakage of the circuit breaker according to claim 1, wherein the inner walls of the reinforcing plate (16) and the connecting plate (14) are provided with notches (17), and the pull rod (15) is inserted into the inner wall of the notches (17).
  6. 6. The circuit breaker leak detection vacuum box leak detection device according to any one of claims 1-5, wherein two protection doors (4) are rotatably connected to the inner wall of the housing (1), a leak detection device body (3) is installed in the housing (1), and the leak detection device body (3) is communicated with the interior of the vacuum box (2).

Description

Circuit breaker leak hunting vacuum box and leak hunting equipment thereof Technical Field The application relates to the technical field of leakage detection vacuum boxes, in particular to a circuit breaker leakage detection vacuum box and leakage detection equipment thereof. Background The main current leakage detection methods on the market of the pole-mounted circuit breaker are a general helium mass spectrum leakage detection method and an SF6 suction gun leakage detection method, and are widely applied to the detection of the circuit breaker nowadays. The existing vacuum box is insufficient in tightness when leakage detection is carried out on the circuit breaker, and a large amount of gas is accumulated in the vacuum box during detection, and the gas can impact a sealing cover of the vacuum box after being fully loaded, so that gas leakage is caused, and the accuracy of data during leakage detection is affected. Disclosure of utility model Aiming at the defects of the prior art, the utility model provides a circuit breaker leakage detection vacuum box and leakage detection equipment thereof, overcomes the defects of the prior art and aims at solving the problems in the background art. In order to achieve the purpose, the circuit breaker leak detection vacuum box and the leak detection equipment thereof adopt the following technical scheme that the circuit breaker leak detection vacuum box comprises a shell, a vacuum box body is installed in the shell, a sealing cover is rotationally connected to the top of the vacuum box body, a bolt is rotationally connected to the outer side of the sealing cover, an electromagnet is fixedly installed on the outer edge of the bolt, a positioning frame is fixedly installed on the outer wall of the vacuum box body, an electric telescopic rod is rotationally connected to the outer wall of the vacuum box body, a connecting shaft is rotationally connected to an output shaft of the electric telescopic rod, a fixing plate is fixedly installed on the outer wall of the vacuum box body, one end of a tension spring is hooked to the inner wall of the fixing plate, a reinforcing plate is hooked to the other end of the tension spring, a connecting plate is fixedly installed on the back side of the reinforcing plate, and a pull rod is fixedly installed on the outer wall of the sealing cover. As a preferred implementation mode, the sealing strip is installed at the top of vacuum box, the bottom of sealed lid closely laminates mutually with the sealing strip, the sealing strip is the rubber material. Through adopting above-mentioned technical scheme for can ensure sealed lid and rotate the leakproofness of installing in the top of vacuum box, guarantee can not take place to leak easily when detecting the circuit breaker in the vacuum box, and then can ensure that the inside of vacuum box is in the vacuum state. As a preferred implementation mode, the bottom of the bolt is inserted into the inner wall of the positioning frame, the bottom of the electromagnet is attached to the positioning frame, and the positioning frame is made of magnetic materials. Through adopting above-mentioned technical scheme for can be when sealed lid is closed with the magnetism inhale the principle with the electro-magnet stabilize with the locating rack between adsorb and be connected, and then can stablely peg graft the inner wall to the locating rack with the bolt, be used for with sealed lid stable installation at the top of vacuum box, also can not be opened easily when the guarantee inside has atmospheric pressure to promote sealed lid. As a preferred embodiment, the connecting shaft is fixedly connected to the outer wall of the sealing cover. Through adopting above-mentioned technical scheme for the operation of drive electric telescopic handle can promote the connecting axle and drive sealed lid and upwards overturn, and then can expose the feed opening at vacuum box top automatically, and then be convenient for take and place the inside circuit breaker of vacuum box. As a preferred embodiment, the inner walls of the reinforcing plate and the connecting plate are provided with notches, and the pull rod is inserted into the inner wall of the notch. Through adopting above-mentioned technical scheme for sealed lid can pull the pull rod when rotating and drive gusset plate and connecting plate upward movement, and then can pull the extension spring and be in the open state, and can pull sealed lid downwardly moving with the help of the elasticity restoring force of extension spring when sealed lid needs to be closed, with sealed stable lock at the top of vacuum box, the cooperation bolt is fixed a position the both sides of sealed lid, the inside leakproofness of vacuum box when the assurance sealed lid is closed. As a preferred implementation mode, the inner wall of the shell is rotationally connected with two protective doors, the leak detection equipment body is arranged in the shell, and the leak d