CN213459558U

CN213459558U - Intelligent vacuum circuit breaker suitable for humid environment

Info

Publication number: CN213459558U
Application number: CN202023079258.5U
Authority: CN
Inventors: 陈勇; 黄浦; 央姐; 高敏浩
Original assignee: Heneng Electric Co ltd
Current assignee: Heneng Electric Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-06-15
Anticipated expiration: 2030-12-21

Abstract

The utility model belongs to the technical field of vacuum circuit breaker, especially, be an intelligent vacuum circuit breaker suitable for under humid environment, relatively poor, the problem that leads to not being convenient for to adapt to humid environment and use to current intelligent vacuum circuit breaker sealing performance, the following scheme is put forward now, and it includes the vacuum circuit breaker casing, the lid frame has been cup jointed in the activity of the vacuum circuit breaker casing outside, and slidable mounting has the clamp plate in the lid frame, and clamp plate bottom fixed mounting has the closing plate, closing plate and vacuum circuit breaker casing top movable seal butt, clamp plate top fixed mounting has two threaded sleeve, mounting hole and two mounting grooves have been seted up on the inner wall of lid frame top. The utility model discloses a closing plate seals the vacuum circuit breaker casing with the inseparable butt at vacuum circuit breaker casing top, prevents that moisture from getting into in it to it uses under humid environment, and is convenient for open thereby being convenient for debug the work to the casing.

Description

Intelligent vacuum circuit breaker suitable for humid environment

Technical Field

The utility model relates to a vacuum circuit breaker technical field especially relates to an intelligent vacuum circuit breaker suitable for under humid environment.

Background

The vacuum circuit breaker is named because the arc extinguishing medium and the insulating medium of the contact gap after arc extinguishing are both high vacuum; the arc extinguishing device has the advantages of small volume, light weight, suitability for frequent operation and no need of maintenance for arc extinguishing, and is relatively popularized in power distribution networks. The vacuum circuit breaker is an indoor power distribution device in a 3-10 kV and 50Hz three-phase alternating-current system, can be used for protecting and controlling electrical equipment in industrial and mining enterprises, power plants and transformer substations, is particularly suitable for use places requiring no oil, less maintenance and frequent operation, and can be arranged in a middle cabinet, a double-layer cabinet and a fixed cabinet to be used for controlling and protecting high-voltage electrical equipment. Through search, chinese patent with publication number CN110444439A discloses an intelligent vacuum circuit breaker. The intelligent vacuum circuit breaker is internally provided with a temperature control device with an accommodating space and a vacuum arc-extinguishing chamber assembly accommodated in the accommodating space; the vacuum arc extinguish chamber component comprises a moving contact and a fixed contact which are coaxial, and a corrugated pipe which is arranged at the end part of the moving contact far away from the fixed contact, wherein the moving contact is a superconducting contact, and the corrugated pipe supports the moving contact to move relative to the fixed contact so as to realize the closing and the opening of the vacuum arc extinguish chamber, namely the closing and the opening of the vacuum circuit breaker. The intelligent vacuum circuit breaker moving contact provided by the invention is additionally provided with the superconducting material, the opening and closing of the vacuum arc-extinguishing chamber are controlled by using the temperature control superconducting material by utilizing the characteristics of the superconducting material, the design structure is simple, the operation is convenient and fast, and the control mode of the vacuum arc-extinguishing chamber is thoroughly changed.

However, the existing intelligent vacuum circuit breaker still has disadvantages, for example, the existing intelligent vacuum circuit breaker has poor sealing performance, which causes inconvenience for adapting to a humid environment for use, and therefore, an intelligent vacuum circuit breaker suitable for the humid environment is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that current intelligent vacuum circuit breaker sealing performance is relatively poor, lead to being not convenient for adapt to moist environment and use, and the intelligent vacuum circuit breaker who proposes is applicable to under the humid environment.

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

an intelligent vacuum circuit breaker suitable for a humid environment comprises a vacuum circuit breaker shell, wherein a cover frame is movably sleeved on the outer side of the vacuum circuit breaker shell, a pressing plate is arranged in the cover frame in a sliding manner, a sealing plate is fixedly arranged at the bottom of the pressing plate and is in movable sealing abutting joint with the top of the vacuum circuit breaker shell, two threaded sleeves are fixedly arranged at the top of the pressing plate, a mounting hole and two mounting grooves are formed in the inner wall of the top of the cover frame, lead screws are rotatably arranged in the two mounting grooves, the two threaded sleeves are respectively sleeved on the outer sides of the corresponding lead screws in a threaded manner, first gears are fixedly arranged on the two lead screws, a rotating shaft is rotatably arranged in the mounting hole, a second gear is fixedly arranged at the bottom end of the rotating shaft, the two first gears are respectively meshed with the second gear, transverse, the draw-in groove with the cardboard adaptation is all seted up to vacuum circuit breaker casing both sides, and two cardboards clamp with the draw-in groove activity that corresponds respectively, and the spout has all been seted up to one side that two cardboards are close to each other, and equal slidable mounting has the slide in two spouts, and the equal fixed mounting in one side that two slides kept away from each other has the one end of pull rod, and the equal fixed mounting of the other end of two pull rods has the pull ring, the equal fixed mounting in bottom of pull rod has the one end of kelly, seted up the constant head tank on the horizontal tank bottom inner wall, kelly clamps with.

Preferably, the top of the sliding plate is fixedly connected with one end of each positioning spring, and the other ends of the two positioning springs are respectively fixedly connected with the inner wall of the top of the corresponding sliding groove to reset the sliding plate.

Preferably, the same limiting rod is fixedly connected to the inner wall of the top of the sliding groove and the inner wall of the bottom of the sliding groove, and the two sliding plates are respectively sleeved on the outer sides of the corresponding limiting rods in a sliding mode to guide and limit the sliding plates.

Preferably, the rotating shaft top end is fixedly provided with a rotating disc, and handles are fixedly arranged on two sides of the top of the rotating disc.

Preferably, the one end of the equal fixedly connected with reset spring in one side that two cardboard kept away from each other, two reset spring's the other end respectively with the transverse groove one side inner wall fixed connection who corresponds, reset the cardboard.

Preferably, the equal fixedly connected with guide post one end in clamp plate top both sides, equal fixed mounting has the deflector on the inner wall of lid frame both sides, and two deflectors slide respectively to cup joint in the outside of the guide post that corresponds, carry out the vertical motion direction to the clamp plate.

In the utility model, an intelligent vacuum circuit breaker suitable for humid environment, rotate through hand-held hand control carousel and pivot, the pivot drives the second gear rotation, the second gear drives two first gears and rotates at a slow speed, two first gears drive corresponding lead screw rotation respectively, two lead screws drive the clamp plate downstream through the screw-thread fit with corresponding screw sleeve respectively and drive under the guide effect of two deflectors jointly, the clamp plate drives the closing plate downstream, thereby seal the vacuum circuit breaker casing through the inseparable butt at closing plate and vacuum circuit breaker casing top, prevent moisture from getting into the vacuum circuit breaker casing, so that the vacuum circuit breaker casing uses under humid environment;

in the utility model, an intelligent vacuum circuit breaker suitable for humid environment, through pulling two pull rings upward movement drive two pull rods upward movement, two pull rods drive two kellies upward movement, make two kellies break away from with the joint of corresponding constant head tank, the slide upward movement of drive is driven and the positioning spring is compressed in the time of the pull rod upward movement, then pull two pull rings to the side motion of keeping away from each other drive two slides to the side motion of keeping away from each other, two slides drive two cardboard to the side motion of keeping away from each other through the cooperation of the cardboard that corresponds respectively, make two cardboards break away from with the connection of corresponding draw-in groove, thereby break away from the fixing to the lid frame, so that demolish the lid frame, thereby be convenient for debug the circuit breaker;

the utility model has the advantages of reasonable design, closely the butt through closing plate and vacuum circuit breaker casing top seals the vacuum circuit breaker casing, prevents that moisture from getting into in it to it uses under humid environment, thereby and is convenient for open the casing and be convenient for debug the work, and the reliability is high.

Drawings

Fig. 1 is a schematic structural diagram of an intelligent vacuum circuit breaker suitable for use in a humid environment according to the present invention;

fig. 2 is a schematic structural diagram of a portion a of an intelligent vacuum circuit breaker suitable for use in a humid environment according to the present invention;

fig. 3 is a schematic structural diagram of a part B of an intelligent vacuum circuit breaker suitable for use in a humid environment according to the present invention;

fig. 4 is a schematic structural diagram of a part C of the intelligent vacuum circuit breaker applicable to a humid environment according to the present invention.

In the figure: 1. a vacuum circuit breaker housing; 2. a cover frame; 3. pressing a plate; 4. a sealing plate; 5. a threaded sleeve; 6. a screw rod; 7. a first gear; 8. a rotating shaft; 9. a second gear; 10. a handle; 11. a transverse slot; 12. clamping a plate; 13. a card slot; 14. a chute; 15. a slide plate; 16. a pull rod; 17. a pull ring; 18. a clamping rod; 19. positioning a groove; 20. a positioning spring; 21. a limiting rod; 22. a return spring; 23. a guide plate; 24. and a guide post.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, an intelligent vacuum circuit breaker suitable for use in a humid environment comprises a vacuum circuit breaker shell 1, a cover frame 2 is movably sleeved on the outer side of the vacuum circuit breaker shell 1, a pressing plate 3 is slidably mounted in the cover frame 2, a sealing plate 4 is fixedly mounted at the bottom of the pressing plate 3, the sealing plate 4 is in movable sealing abutting contact with the top of the vacuum circuit breaker shell 1, two threaded sleeves 5 are fixedly mounted at the top of the pressing plate 3, a mounting hole and two mounting grooves are formed in the inner wall of the top of the cover frame 2, a lead screw 6 is rotatably mounted in the two mounting grooves, the two threaded sleeves 5 are respectively in threaded sleeve connection with the outer sides of the corresponding lead screws 6, first gears 7 are fixedly mounted on the two lead screws 6, a rotating shaft 8 is rotatably mounted in the mounting hole, a second gear 9 is fixedly mounted at the bottom end of the rotating shaft 8, the two, sliding mounting has cardboard 12 in the transverse groove 11, draw-in groove 13 with cardboard 12 adaptation is all seted up to 1 both sides of vacuum circuit breaker casing, two cardboard 12 clamp with the draw-in groove 13 activity that corresponds respectively, and two cardboard 12 one side that is close to each other has all seted up spout 14, equal sliding mounting has slide 15 in two spout 14, the equal fixed mounting in one side that two slide 15 kept away from each other has pull rod 16's one end, the equal fixed mounting of the other end of two pull rods 16 has pull ring 17, the equal fixed mounting in bottom of pull rod 16 has the one end of kelly 18, constant head tank 19 has been seted up on the inner wall of transverse groove 11 bottom, kelly 18 clamps with constant head tank 19 activity.

The utility model discloses in, slide 15 top fixedly connected with positioning spring 20's one end, two positioning spring 20's the other end respectively with the top inner wall fixed connection of the spout 14 that corresponds, reset slide 15.

The utility model discloses in, the same gag lever post 21 of fixedly connected with on 14 top inner walls of spout and the bottom inner wall, two slides 15 slide respectively and cup joint in the outside of the gag lever post 21 that corresponds, lead to slide 15 spacing.

The utility model discloses in, 8 top fixed mounting on the pivot have the carousel, and the equal fixed mounting in carousel top both sides has handle 10.

The utility model discloses in, two cardboard 12 one ends of the equal fixedly connected with reset spring 22 in one side of keeping away from each other, two reset spring 22's the other end respectively with 11 one side inner wall fixed connection of transverse groove that correspond, reset cardboard 12.

The utility model discloses in, 3 equal fixedly connected with guide post 24 one ends in top both sides of clamp plate, equal fixed mounting has deflector 23 on the inner wall of 2 both sides of lid frame, and two deflectors 23 slide respectively and cup joint in the outside of the guide post 24 that corresponds, carry out the vertical motion direction to clamp plate 3.

In the utility model, when in use, the rotating disc and the rotating shaft 8 are controlled to rotate by holding the handle 10, the rotating shaft 8 drives the second gear 9 to rotate, the second gear 9 drives the two first gears 7 to rotate at a slow speed, the two first gears 7 respectively drive the corresponding lead screws 6 to rotate, the two lead screws 6 respectively drive the pressing plate 3 to move downwards through matching with the corresponding screw thread of the threaded sleeve 5 and under the guiding action of the two guide plates 23, the pressing plate 3 drives the sealing plate 4 to move downwards, thereby sealing the vacuum circuit breaker shell 1 through the tight butt of the sealing plate 4 and the top of the vacuum circuit breaker shell 1, preventing moisture from entering the vacuum circuit breaker shell 1, so that the vacuum circuit breaker shell 1 can be used in a humid environment, and can drive the two pull rods 16 to move upwards through pulling the two pull rings 17, the two pull rods 16 drive the two clamping rods 18 to move upwards, make two kellies 18 break away from the joint with corresponding constant head tank 19, drive slide 15 upward movement and compress positioning spring 20 when pull rod 16 upward movement, then two pull rings 17 drive two slides 15 to the one side motion of keeping away from each other, two slides 15 drive two cardboard 12 to the one side motion of keeping away from each other through the cooperation of the cardboard 12 that corresponds respectively, make two cardboard 12 break away from with the draw-in groove 13 that corresponds be connected, thereby break away from the fixed to lid frame 2, so that demolish lid frame 2, thereby be convenient for debug the operation to the circuit breaker.

Claims

1. An intelligent vacuum circuit breaker suitable for a humid environment comprises a vacuum circuit breaker shell (1) and is characterized in that a cover frame (2) is movably sleeved on the outer side of the vacuum circuit breaker shell (1), a pressing plate (3) is slidably mounted in the cover frame (2), a sealing plate (4) is fixedly mounted at the bottom of the pressing plate (3), the sealing plate (4) is abutted to the top of the vacuum circuit breaker shell (1) in a movable sealing manner, two threaded sleeves (5) are fixedly mounted at the top of the pressing plate (3), a mounting hole and two mounting grooves are formed in the inner wall of the top of the cover frame (2), a lead screw (6) is rotatably mounted in the two mounting grooves, the two threaded sleeves (5) are respectively sleeved on the outer sides of the corresponding lead screws (6) in a threaded manner, a first gear (7) is fixedly mounted on the two lead screws (6), and, a second gear (9) is fixedly installed at the bottom end of the rotating shaft (8), the two first gears (7) are both meshed with the second gear (9), transverse grooves (11) are respectively formed in the inner walls of the two sides of the cover frame (2), clamping plates (12) are slidably installed in the transverse grooves (11), clamping grooves (13) matched with the clamping plates (12) are respectively formed in the two sides of the vacuum circuit breaker shell (1), the two clamping plates (12) are movably clamped with the corresponding clamping grooves (13), sliding grooves (14) are respectively formed in the sides, close to each other, of the two clamping plates (12), sliding plates (15) are slidably installed in the two sliding grooves (14), one ends of pull rods (16) are fixedly installed on the sides, far away from each other, of the two sliding plates (15), pull rings (17) are fixedly installed on the other ends of the two pull rods (16), one ends of the clamping rods (18) are fixedly installed at the bottoms of the pull, a positioning groove (19) is formed in the inner wall of the bottom of the transverse groove (11), and the clamping rod (18) is movably clamped with the positioning groove (19).

2. The intelligent vacuum circuit breaker suitable for wet environment according to claim 1, wherein one end of the positioning spring (20) is fixedly connected to the top of the sliding plate (15), and the other end of the two positioning springs (20) is fixedly connected to the top inner wall of the corresponding sliding chute (14).

3. The intelligent vacuum circuit breaker applicable to the humid environment according to claim 1, wherein the same limiting rod (21) is fixedly connected to the top inner wall and the bottom inner wall of the chute (14), and the two sliding plates (15) are respectively slidably sleeved on the outer sides of the corresponding limiting rods (21).

4. The intelligent vacuum circuit breaker suitable for wet environment as claimed in claim 1, wherein the top end of the rotating shaft (8) is fixedly installed with a rotating disc, and both sides of the top of the rotating disc are fixedly installed with handles (10).

5. The intelligent vacuum circuit breaker suitable for wet environment according to claim 1, wherein one end of the return spring (22) is fixedly connected to one side of each of the two clamping plates (12) far away from each other, and the other end of each of the two return springs (22) is fixedly connected to the inner wall of one side of the corresponding transverse groove (11).

6. The intelligent vacuum circuit breaker applicable to the humid environment according to claim 1, wherein one end of a guide post (24) is fixedly connected to each of two sides of the top of the pressing plate (3), guide plates (23) are fixedly mounted on inner walls of two sides of the cover frame (2), and the two guide plates (23) are respectively slidably sleeved on the outer sides of the corresponding guide posts (24).