CN216487903U

CN216487903U - Breaker state detection device

Info

Publication number: CN216487903U
Application number: CN202122227129.4U
Authority: CN
Inventors: 戴誉; 戴荣
Original assignee: Shenzhen Rongsheng Power Co ltd
Current assignee: Shenzhen Rongsheng Power Co ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-05-10
Anticipated expiration: 2031-09-15

Abstract

The utility model discloses a state detection device for a circuit breaker, which comprises a supporting rod, wherein through holes are formed in two sides of the top of the supporting rod, the U-shaped handle rod of the U-shaped handle rod is inserted into the inner wall of each through hole, extrusion seats are fixedly connected to two ends of the bottom of each handle rod, T-shaped grooves are formed in two ends of the bottom of the supporting rod, T-shaped blocks are slidably connected to the inner walls of the T-shaped grooves, spring strips are fixedly connected between one ends of the T-shaped blocks and one ends of the T-shaped grooves, clamping plates are fixedly connected to the bottoms of the two T-shaped blocks, and pushing seats are fixedly connected to the tops of one sides of the clamping plates. The utility model can clamp the two clamping plates at the periphery of the circuit breaker, so that the circuit breaker has better fixing effect when people need to hold the detection equipment, the conductive rod is pushed by the insulating push rod to extend out of the insulating sleeve, and whether the indicator lamp is lightened or not is observed, the state of the circuit breaker can be conveniently detected and processed, and the operation is convenient.

Description

Breaker state detection device

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to a circuit breaker state detection device.

Background

The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time. The circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to the application range, the high-voltage and low-voltage boundary lines are relatively vague, and the circuit breakers above 3kV are generally called high-voltage electric appliances. The circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, and automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur, and the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-under-heat relay and the like.

At present, the circuit breaker is when using, in order to make the circuit breaker have effectual detection effect, need regularly to carry out the circular telegram to the circuit breaker and detect the processing, whether test circuit breaker can be long-term operation always, but most circuit breakers of effectual satisfaction can not be held to current circuit breaker check out test set, because need people to hold check out test set on the circuit breaker, do not have better fixed effect, consequently, need to design a circuit breaker state detection device and solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a breaker state detection device.

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

the utility model provides a circuit breaker state detection device, includes the bracing piece, the through-hole has all been opened to the top both sides of bracing piece, and the inner wall of through-hole is pegged graft and is had the handle pole of the same handle pole U type that is the U type, and the equal fixedly connected with extrusion seat in bottom both ends of handle pole, T type groove has all been opened at the bottom both ends of bracing piece, and the equal sliding connection in inner wall in T type groove has T type piece, fixedly connected with spring strip, two between the one end in one end of T type piece and the one end in T type groove the equal fixedly connected with grip block in bottom of T type piece, and the equal fixedly connected with in one side top of grip block impels the seat, and the cross section that impels the seat all is the trapezium structure with the cross section that extrudes the seat, impels one side of seat and one side of extrusion seat and contacts.

Preferably, the spacing groove has all been opened at one side outer wall both ends of bracing piece, and the equal sliding connection of inner wall of spacing groove has the movable sleeve, the equal fixedly connected with insulating cover of one end of movable sleeve, and the wiring hole that runs through the movable sleeve is opened at the lateral wall top of insulating cover, and fixedly connected with runs through the guide rod of movable sleeve between the both ends inner wall of spacing groove, the inside of insulating cover is pegged graft and is had the conducting rod, and the bracing piece is close to the equal fixedly connected with relay in one side outer wall both ends of intermediate position, is provided with the spring wire that passes the wiring hole between one side of relay and one side of conducting rod, one side intermediate position fixedly connected with pilot lamp of bracing piece, and be connected with the wire between the both sides of pilot lamp and the relay.

Preferably, the top of the insulating sleeve is provided with a jack, an insulating push rod is inserted into the inner wall of the jack, a piston sleeve is arranged between the outer wall of the insulating push rod and the inner wall of the jack, and the bottom of the insulating push rod is fixedly connected with the top of the conducting rod.

Preferably, the middle positions of the inclined planes of the pushing seat are all provided with movable grooves, and the inclined planes of the extruding seat are all fixedly connected with sliding seats inserted in the movable grooves.

Preferably, the inner walls of the clamping plates are all bonded with protection strips distributed at equal intervals, and the protection strips are made of rubber.

Preferably, the middle position of the bottom surface of the support rod is provided with a wave-shaped groove surface.

Preferably, the jack, the insulating push rod and the piston sleeve are replaced by a threaded hole and an insulating threaded rod, the threaded hole is formed in the top of the insulating sleeve, the outer wall of the insulating threaded rod is in threaded connection with the inner wall of the threaded hole, and the bottom end of the insulating threaded rod is connected with the top of the conducting rod through a bearing.

The utility model has the beneficial effects that:

1. through setting up the handle bar on the bracing piece, when carrying out the state detection of circuit breaker, can singlehandedly live the bottom of handle bar and bracing piece, and hold the hand tightly, shorten the distance between bracing piece and the handle bar, reduce the position of extrusion seat in the bracing piece bottom, push forward the position of seat and grip block through extrusion seat extrusion, make the spring strip of T type inslot receive the compression, can lay two grip blocks in the periphery of circuit breaker, slowly loosen the elasticity degree of handle bar and bracing piece, the reset action through the spring strip drives two grip blocks and resets gradually, thereby can be with two grip block centre grippings in the periphery of circuit breaker, make and have better fixed effect when needing people to hold the check out test set.

2. Through the insulating cover and the conducting rod that set up, after fixed the completion, promote the conducting rod through insulating push rod and extend in the insulating cover, adjust the position of two movable sleeves for during the circuit breaker's that connects to the conducting rod plug-in connection jack, can light the pilot lamp when having electricity in the circuit breaker, when the circuit breaker does not have the electricity, the pilot lamp does not light, thereby can be convenient for detect the processing to the state of circuit breaker, convenient operation.

Drawings

Fig. 1 is a schematic view of an overall structure of a circuit breaker state detection apparatus according to embodiment 1;

fig. 2 is a schematic front sectional view of a circuit breaker state detection apparatus according to embodiment 1;

fig. 3 is a schematic structural view of an insulating sleeve and a conductive rod of the circuit breaker state detection device according to embodiment 1;

fig. 4 is a schematic structural view of an insulating threaded rod of the circuit breaker state detection device according to embodiment 2.

In the figure: 1. a support bar; 2. a limiting groove; 3. a clamping plate; 4. a propulsion seat; 5. a relay; 6. an indicator light; 7. a spring wire; 8. a movable sleeve; 9. a handle bar; 10. a T-shaped groove; 11. a movable groove; 12. a wavy groove surface; 13. a pressing base; 14. a spring bar; 15. a protective strip; 16. an insulating sleeve; 17. a conductive rod; 18. an insulating push rod; 19. a guide rod; 20. insulating threaded rod.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the figures, which are based on the orientations and positional relationships shown in the figures, and are used for convenience in describing the patent and for simplicity in description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-3, a breaker state detection device, including bracing piece 1, the through-hole has all been opened to the top both sides of bracing piece 1, and the inner wall of through-hole is pegged graft and is had the same handle bar 9 that is the handle bar U type of U type, extrusion seat 13 has all been welded at the bottom both ends of handle bar 9, T type groove 10 has all been opened at the bottom both ends of bracing piece 1, and the equal sliding connection in inner wall in T type groove 10 has T type piece, the welding has spring bar 14 between the one end of T type piece and the one end in T type groove 10, grip block 3 has all been welded to the bottom of two T type pieces, and the equal welding in one side top of grip block 3 has impeld seat 4, the cross section that impels seat 4 and the cross section of extrusion seat 13 all are the trapezium structure, the one side that impels seat 4 contacts with one side of extrusion seat 13.

Wherein, one side outer wall both ends of bracing piece 1 all opened spacing groove 2, and the equal sliding connection of inner wall of spacing groove 2 has a movable sleeve 8, there is insulating cover 16 one end of movable sleeve 8 all through bolted connection, open at the lateral wall top of insulating cover 16 has the wiring hole that runs through movable sleeve 8, the welding has guide rod 19 that runs through movable sleeve 8 between the both ends inner wall of spacing groove 2, insulating cover 16's inside is pegged graft and is had conducting rod 17, and bracing piece 1 is close to one side outer wall both ends of intermediate position and all has relay 5 through bolted connection, be provided with the spring wire 7 that passes the wiring hole between one side of relay 5 and one side of conducting rod 17, there is pilot lamp 6 one side intermediate position of bracing piece 1 through bolted connection, and be connected with the wire between the both sides of pilot lamp 6 and relay 5.

Wherein, the top of the insulating sleeve 16 is provided with a jack, the inner wall of the jack is inserted with an insulating push rod 18, a piston sleeve is arranged between the outer wall of the insulating push rod 18 and the inner wall of the jack, and the bottom of the insulating push rod 18 is connected with the top of the conducting rod 17 through a bolt.

Wherein, the middle position of the inclined plane of the propulsion seat 4 is provided with a movable groove 11, and the inclined plane of the extrusion seat 13 is welded with a sliding seat inserted in the movable groove 11.

Wherein, the inner wall of grip block 3 all bonds and has protection strip 15 that the equidistance distributes, and protection strip 15 is the rubber material.

Wherein, the middle position of the bottom surface of the support rod 1 is provided with a wave-shaped groove surface 12.

The working principle is as follows: when the state of the circuit breaker is detected, the bottom of the handle rod 9 and the bottom of the support rod 1 can be held by one hand, the hand is held tightly, the distance between the support rod 1 and the handle rod 9 is shortened, the position of the extrusion seat 13 at the bottom of the support rod 1 is reduced, the positions of the pushing seat 4 and the clamping plates 3 are extruded by the extrusion seat 13, the spring strips 14 in the T-shaped groove 10 are compressed, the two clamping plates 3 can be placed on the periphery of the circuit breaker, the tightness degree of the handle rod 9 and the support rod 1 is slowly loosened, the two clamping plates 3 are driven to be gradually reset by the resetting action of the spring strips 14, the two clamping plates 3 can be clamped on the periphery of the circuit breaker, so that a good fixing effect is achieved when people need to hold the detection equipment by hands, after the fixing is completed, the conducting rods 17 are pushed by the insulation push rods 18 to extend out of the insulation sleeves 16, the positions of the two movable sleeves 8 are adjusted, and the conducting rods 17 are inserted into the electricity connection jacks of the circuit breaker, can light pilot lamp 6 when having electricity in the circuit breaker, when the circuit breaker does not have the electricity, pilot lamp 6 does not light to can be convenient for detect the processing, convenient operation to the state of circuit breaker.

Example 2

Referring to fig. 4, in this embodiment, compared with embodiment 1, the jack, the insulating push rod 18 and the piston sleeve are replaced by a threaded hole and an insulating threaded rod 20, the threaded hole is formed in the top of the insulating sleeve 16, the outer wall of the insulating threaded rod 20 is in threaded connection with the inner wall of the threaded hole, and the bottom end of the insulating threaded rod 20 is connected with the top of the conductive rod 17 through a bearing.

The working principle is as follows: when the position of the conducting rod 17 is adjusted by a user during use, the position of the insulating threaded rod 20 in the threaded hole can be rotated to lift the conducting rod 17, and the state detection processing of the circuit breaker can be carried out.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A breaker state detection device comprises a support rod (1) and is characterized in that through holes are formed in both sides of the top of the support rod (1), and the inner wall of the through hole is inserted with a U-shaped handle bar (9), both ends of the bottom of the handle bar (9) are fixedly connected with extrusion seats (13), both ends of the bottom of the support bar (1) are provided with T-shaped grooves (10), the inner walls of the T-shaped grooves (10) are connected with T-shaped blocks in a sliding manner, a spring strip (14) is fixedly connected between one end of each T-shaped block and one end of each T-shaped groove (10), the bottoms of the two T-shaped blocks are fixedly connected with clamping plates (3), and the top of one side of the clamping plate (3) is fixedly connected with a propelling seat (4), the cross section of the propelling seat (4) and the cross section of the extruding seat (13) are both in a trapezoidal structure, and one side of the propelling seat (4) is in contact with one side of the extruding seat (13).

2. The device for detecting the state of the circuit breaker according to claim 1, wherein both ends of the outer wall of one side of the support rod (1) are provided with limiting grooves (2), the inner walls of the limiting grooves (2) are slidably connected with movable sleeves (8), one ends of the movable sleeves (8) are fixedly connected with insulating sleeves (16), the tops of the side walls of the insulating sleeves (16) are provided with wiring holes penetrating through the movable sleeves (8), guide rods (19) penetrating through the movable sleeves (8) are fixedly connected between the inner walls of both ends of the limiting grooves (2), conductive rods (17) are inserted into the insulating sleeves (16), both ends of the outer wall of one side of the support rod (1) close to the middle position are fixedly connected with relays (5), spring wires (7) penetrating through the wiring holes are arranged between one side of the relays (5) and one side of the conductive rods (17), an indicator lamp (6) is fixedly connected at the middle position of one side of the support rod (1), and a lead is connected between the two sides of the indicator light (6) and the relay (5).

3. The device for detecting the state of the circuit breaker according to claim 2, wherein the top of the insulating sleeve (16) is provided with a jack, the inner wall of the jack is inserted with an insulating push rod (18), a piston sleeve is arranged between the outer wall of the insulating push rod (18) and the inner wall of the jack, and the bottom of the insulating push rod (18) is fixedly connected with the top of the conducting rod (17).

4. The device for detecting the state of the circuit breaker according to claim 3, wherein the middle positions of the inclined planes of the pushing seat (4) are all provided with movable grooves (11), and the inclined planes of the pressing seat (13) are all fixedly connected with sliding seats inserted in the movable grooves (11).

5. The device for detecting the state of the circuit breaker according to claim 4, wherein the inner walls of the clamping plates (3) are bonded with protection strips (15) which are distributed at equal intervals, and the protection strips (15) are made of rubber.

6. The apparatus for detecting the status of a circuit breaker according to any one of claims 1-5, wherein the bottom surface of the support rod (1) is provided with a wavy grooved surface (12) at a central position.

7. The circuit breaker state detection device according to claim 3, wherein the jack, the insulating push rod (18) and the piston sleeve are replaced by a threaded hole and an insulating threaded rod (20), the threaded hole is formed in the top of the insulating sleeve (16), the outer wall of the insulating threaded rod (20) is in threaded connection with the inner wall of the threaded hole, and the bottom end of the insulating threaded rod (20) is connected with the top of the conductive rod (17) through a bearing.