CN216133170U

CN216133170U - Service life detection device for circuit breaker

Info

Publication number: CN216133170U
Application number: CN202121998508.7U
Authority: CN
Inventors: 杜国建
Original assignee: Anhui Dingye Electric Co ltd
Current assignee: Anhui Dingye Electric Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-03-25
Anticipated expiration: 2031-08-23

Abstract

The utility model relates to the technical field of service life detection devices for circuit breakers, in particular to a service life detection device for a circuit breaker. According to the utility model, the transparent plate and the slide rail are drawn out through the pull handle, the circuit breaker to be detected is installed on the fixing clamp, the circuit breaker is electrically connected with the mechanical service life detection table body of the circuit breaker and is used for monitoring the power-on condition in real time, the slide rail is pushed to the inside of the accommodating cavity, a switch on the circuit breaker is positioned between the second pushing block and the first pushing block, the circuit breaker is very convenient to install and take out, the circuit breaker is pushed out rightwards by controlling the pneumatic telescopic rods and is matched with the return mechanism to complete the switching process of the circuit breaker, the using equipment is simple, the cost of the two pneumatic telescopic rods is relatively low, the heat of internal mechanical motion is reduced by wind energy generated by the ventilating fan, and the problem that the accuracy of an experimental result is influenced by the rise of temperature is avoided.

Description

Service life detection device for circuit breaker

Technical Field

The utility model relates to the technical field of service life detection devices for circuit breakers, in particular to a service life detection device for a circuit breaker.

Background

The circuit breaker is a switching device capable of closing, bearing and breaking a current under a normal circuit condition and closing, bearing and breaking a current under an abnormal circuit condition within a specified time, and is an extremely important core device in the whole power system, the safe operation of the switching device is important, the mechanical life of the circuit breaker can be detected when the circuit breaker leaves a factory as important data of the performance of the circuit breaker, and therefore, a circuit breaker life detection device is required.

The existing circuit breaker service life detection device is inconvenient to install and troublesome to take out when in use; the existing circuit breaker service life detection device needs two pneumatic telescopic rods to control the swing of a circuit breaker switch as a driving force when in use, and the cost is high.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a device for detecting a lifetime of a circuit breaker, so as to solve the problems of the related art. In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a life-span detection device for circuit breaker, includes circuit breaker mechanical life and examines test table body, it holds the chamber to have seted up on the circuit breaker mechanical life examines test table body, the inside horizontal fixed mounting who holds the chamber has the diaphragm, the top surface fixed mounting of diaphragm has pneumatic telescopic handle, pneumatic telescopic handle's flexible end fixed mounting has the connecting block, fixed mounting has the third spring between connecting block and pneumatic telescopic handle's the shell body, pneumatic telescopic handle's flexible end is located the inside of third spring, one side fixed surface of connecting block installs and promotes post and second and promotes the piece.

The inside of circuit breaker mechanical life examines test table body is located the bottom of diaphragm and installs pull mechanism, the power of returning mechanism is installed at the top of diaphragm.

Preferably, the pull mechanism includes fly leaf and slide rail, the both sides wall surface that holds the chamber all installs the fly leaf, two slidable mounting has the slide rail on the fly leaf, the top fixed mounting of slide rail has mounting fixture, the centre gripping has the circuit breaker on the mounting fixture.

Preferably, the power of returning mechanism includes set casing, movable rod, first spring, the spacing lantern ring and card post, the top surface fixed mounting of diaphragm has the set casing, the activity runs through on the set casing and installs the movable rod, the fixed cover that lies in the inside of set casing on the movable rod has fixed the spacing lantern ring, fixed mounting has first spring between one side inner wall surface of the spacing lantern ring and set casing, the movable rod is located the inside of first spring, the movable rod is close to pneumatic telescopic handle's one end fixed surface and has first promotion piece.

Preferably, the transverse plate is provided with a through hole, and the circuit breaker is located inside the through hole.

Preferably, the roof of set casing is close to the embedded fixed block that installs in position of the spacing lantern ring, the activity runs through on the fixed block and installs the card post, the top fixed mounting of card post has the limiting plate, fixed mounting has the second spring between limiting plate and the fixed block, the card post is located the inside of second spring, the top fixed mounting of set casing has the support column, a side surface top fixed mounting of support column has the backup pad, the bottom fixed mounting of backup pad has electric putter, fixed mounting has the stay cord between the flexible end in electric putter bottom and the limiting plate.

Preferably, a transparent plate is fixedly installed on the surface of one side of the sliding rail, and a pull handle is fixedly installed on the transparent plate.

Preferably, two cabinet doors are hinged to the bottom of the mechanical life detection table body of the circuit breaker.

Preferably, a ventilator is embedded in a position, close to the accommodating cavity, of one side wall of the mechanical life detection table body of the circuit breaker, and a ventilation net is embedded in a side wall, far away from the ventilator, of the mechanical life detection table body of the circuit breaker.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the transparent plate and the slide rail are drawn out through the pull handle, the circuit breaker to be detected is installed on the fixing clamp, the circuit breaker is electrically connected with the mechanical service life detection table body of the circuit breaker, the circuit breaker is used for monitoring the power-on condition in real time, the slide rail is pushed to the inside of the accommodating cavity, the switch on the circuit breaker is positioned between the second pushing block and the first pushing block, and the circuit breaker is very convenient to install and take out.

In the utility model, the pneumatic telescopic rods are controlled to be pushed out rightwards, the connecting block drives the second pushing block to push a switch on the circuit breaker rightwards, the pushing column pushes the first pushing block rightwards, when the movable rod on the first pushing block is moved rightwards again, the limiting lantern ring drives the first spring to be compressed, the limiting lantern ring moves to the right side of the clamping column to be clamped by the clamping column, the clamping column is pulled downwards by the second spring, the pneumatic telescopic rods return to the initial position under the action force of the third spring after being pushed, the electric push rod is controlled to contract, the clamping column is pulled upwards by the pull rope, the movable rod is popped out leftwards under the action of the first spring, the switch on the circuit breaker is pushed to move leftwards, the switching flow of the circuit breaker is completed once, the using equipment is simpler, the cost is lower compared with the two pneumatic telescopic rods, the opening of the ventilating fan is controlled, and the heat of internal mechanical motion is reduced by wind energy generated by the ventilating fan, the accuracy of the experimental result is prevented from being influenced by the temperature rise.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic front view of the accommodating chamber of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2A;

fig. 4 is a schematic view of the enlarged structure of the portion B in fig. 2 according to the present invention.

In the figure: 1. a mechanical service life detection table body of the circuit breaker; 2. a force return mechanism; 201. a stationary case; 202. A movable rod; 203. a first spring; 204. a limiting lantern ring; 205. clamping the column; 206. a fixed block; 207. A second spring; 208. pulling a rope; 209. an electric push rod; 210. a support plate; 211. a support pillar; 3. A drawing mechanism; 301. a movable plate; 302. a slide rail; 4. a breathable net; 5. a transparent plate; 6. a cabinet door; 7. Pulling a handle; 8. a circuit breaker; 9. an accommodating chamber; 10. a third spring; 11. a ventilator; 12. a pneumatic telescopic rod; 13. a transverse plate; 14. a first pushing block; 15. pushing the column; 16. connecting blocks; 17. a second pushing block; 18. and (5) fixing the clamp.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a life-span detection device for circuit breaker, including circuit breaker mechanical life detection platform body 1, it holds chamber 9 to have seted up on circuit breaker mechanical life detection platform body 1, the inside horizontal fixed mounting who holds chamber 9 has diaphragm 13, the top surface fixed mounting of diaphragm 13 has pneumatic telescopic rod 12, the flexible fixed mounting of pneumatic telescopic rod 12 has connecting block 16, fixed mounting has third spring 10 between connecting block 16 and pneumatic telescopic rod 12's the shell body, the flexible end of pneumatic telescopic rod 12 is located the inside of third spring 10, one side fixed surface of connecting block 16 installs and promotes post 15 and second and promote piece 17.

The inside of circuit breaker mechanical life examines test table body 1 is located the bottom of diaphragm 13 and installs pull mechanism 3, and return force mechanism 2 is installed at the top of diaphragm 13.

In this embodiment, as shown in fig. 1 and fig. 2, the drawing mechanism 3 includes movable plates 301 and slide rails 302, the movable plates 301 are mounted on the surfaces of the two side walls of the accommodating cavity 9, the slide rails 302 are mounted on the two movable plates 301 in a sliding manner, a fixing clamp 18 is fixedly mounted on the top of the slide rails 302, and the circuit breaker 8 is clamped on the fixing clamp 18.

In this embodiment, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the return mechanism 2 includes a fixed shell 201, a movable rod 202, a first spring 203, a limiting lantern ring 204 and a clamping column 205, the top surface of the transverse plate 13 is fixedly provided with the fixed shell 201, the movable rod 202 is movably installed on the fixed shell 201 in a penetrating manner, the limiting lantern ring 204 is fixedly sleeved inside the movable rod 202 and located on the fixed shell 201, the first spring 203 is fixedly installed between the limiting lantern ring 204 and the inner wall surface of one side of the fixed shell 201, the movable rod 202 is located inside the first spring 203, and a first pushing block 14 is fixedly installed on the surface of one end of the movable rod 202 close to the pneumatic telescopic rod 12.

In this embodiment, as shown in fig. 2 and 3, the transverse plate 13 is provided with a through hole, and the breaker 8 is located inside the through hole.

In this embodiment, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the top plate of set casing 201 is embedded in the position close to limiting collar 204 and is installed with fixed block 206, card post 205 is installed to the last activity of fixed block 206 through going through, the top fixed mounting of card post 205 has the limiting plate, fixed mounting has second spring 207 between limiting plate and the fixed block 206, card post 205 is located the inside of second spring 207, the top fixed mounting of set casing 201 has support column 211, a side surface top fixed mounting of support column 211 has support plate 210, the bottom fixed mounting of support plate 210 has electric putter 209, fixed mounting has stay cord 208 between the flexible end in electric putter 209 bottom and the limiting plate, realize spacing and the loosening to limiting collar 204 through fixed block 206, card post 205, second spring 207, stay cord 208, support plate 210, the cooperation each other between support column 211 and the electric putter 209.

In this embodiment, as shown in fig. 1 and fig. 2, a transparent plate 5 is fixedly installed on one side surface of the sliding rail 302, a pull handle 7 is fixedly installed on the transparent plate 5, and the transparent plate 5 is conveniently opened by arranging the pull handle 7.

In this embodiment, as shown in fig. 1, two cabinet doors 6 are installed in the articulated bottom of the mechanical life test platform body 1 of the circuit breaker, and articles, such as maintenance tools and the like, are conveniently stored at the bottom through the two cabinet doors 6.

In this embodiment, as shown in fig. 1 and fig. 2, a ventilation fan 11 is embedded in a position, close to the accommodating cavity 9, of one side wall of the circuit breaker mechanical life detection table body 1, and a ventilation net 4 is embedded in a side wall, far away from the ventilation fan 11, of the circuit breaker mechanical life detection table body 1, so that internal air circulation is improved.

The use method and the advantages of the utility model are as follows: when the service life detection device for the circuit breaker is used, the working process is as follows:

as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the electrical components of the present invention are externally connected with a power supply and a control switch, when in use, the transparent plate 5 and the sliding rail 302 are drawn out by the pull handle 7, the circuit breaker 8 to be detected is mounted on the fixing clamp 18, the circuit breaker 8 is electrically connected with the mechanical life detection table body 1 of the circuit breaker, for real-time monitoring of the power-on condition, the sliding rail 302 is pushed into the accommodating cavity 9, the switch on the circuit breaker 8 is located between the second pushing block 17 and the first pushing block 14, the circuit breaker 8 is very convenient to mount and take out, the pneumatic telescopic rod 12 is controlled to push out rightwards, the connecting block 16 drives the second pushing block 17 to push the switch on the circuit breaker 8 rightwards, the pushing column 15 pushes the first pushing block 14 rightwards, when the movable rod 202 on the first pushing block 14 is moved rightwards again, the limit collar 204 drives the first spring 203 to be compressed, meanwhile, the limiting lantern ring 204 moves to the right side of the clamping column 205 and is clamped by the clamping column 205, the clamping column 205 is pulled downwards by the second spring 207, the pneumatic telescopic rod 12 returns to the initial position under the acting force of the third spring 10 after being pushed, the electric push rod 209 is controlled to contract, the pulling rope 208 pulls the clamping column 205 upwards, under the action of the first spring 203, the movable rod 202 pops leftwards, the switch on the circuit breaker 8 is pushed to move leftwards, the switching process of the circuit breaker 8 is completed once, the using equipment is simple, the cost is lower compared with that of the two pneumatic telescopic rods 12, the ventilating fan 11 is controlled to be started, the wind energy generated by the ventilating fan 11 reduces the heat of internal mechanical motion, and the accuracy of an experimental result is prevented from being influenced by the temperature rise.

The present invention relates to circuits, electronic components and control modules all of which are well within the skill of those in the art and, needless to say, the present invention is not directed to software and process improvements.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a life-span detection device for circuit breaker, includes circuit breaker mechanical life examines test table body (1), its characterized in that: the mechanical life detection table for the circuit breaker is characterized in that an accommodating cavity (9) is formed in the mechanical life detection table body (1) of the circuit breaker, a transverse plate (13) is horizontally and fixedly installed inside the accommodating cavity (9), a pneumatic telescopic rod (12) is fixedly installed on the top surface of the transverse plate (13), a connecting block (16) is fixedly installed at the telescopic end of the pneumatic telescopic rod (12), a third spring (10) is fixedly installed between the connecting block (16) and the outer shell of the pneumatic telescopic rod (12), the telescopic end of the pneumatic telescopic rod (12) is located inside the third spring (10), and a pushing column (15) and a second pushing block (17) are fixedly installed on the surface of one side of the connecting block (16);

the inside of circuit breaker mechanical life examines test table body (1) is located the bottom of diaphragm (13) and installs pull mechanism (3), return mechanism (2) that have movable rod (202) are installed at the top of diaphragm (13).

2. The life detection device for a circuit breaker according to claim 1, wherein: pull mechanism (3) are including fly leaf (301) and slide rail (302), both sides wall surface that holds chamber (9) all installs fly leaf (301), two slidable mounting has slide rail (302) on fly leaf (301), the top fixed mounting of slide rail (302) has mounting fixture (18), the centre gripping has circuit breaker (8) on mounting fixture (18).

3. The life detection device for a circuit breaker according to claim 1, wherein: return to power mechanism (2) including set casing (201), movable rod (202), first spring (203), spacing lantern ring (204) and card post (205), the top surface fixed mounting of diaphragm (13) has set casing (201), movable rod (202) are installed in the activity run-through on set casing (201), the inside fixed cup joint that lies in set casing (201) on movable rod (202) has spacing lantern ring (204), fixed mounting has first spring (203) between one side inner wall surface of spacing lantern ring (204) and set casing (201), movable rod (202) are located the inside of first spring (203), one end fixed surface that movable rod (202) are close to air telescopic pole (12) installs first promotion piece (14).

4. The life detection device for a circuit breaker according to claim 2, wherein: the transverse plate (13) is provided with a through hole, and the circuit breaker (8) is located inside the through hole.

5. The life detection device for a circuit breaker according to claim 2, wherein: the roof of set casing (201) is close to embedded fixed block (206) of installing in the position of spacing lantern ring (204), the activity runs through on fixed block (206) and installs card post (205), the top fixed mounting of card post (205) has the limiting plate, fixed mounting has second spring (207) between limiting plate and fixed block (206), card post (205) are located the inside of second spring (207), the top fixed mounting of set casing (201) has support column (211), a side surface top fixed mounting of support column (211) has backup pad (210), the bottom fixed mounting of backup pad (210) has electric putter (209), fixed mounting has stay cord (208) between electric putter (209) bottom flexible end and the limiting plate.

6. The life detection device for a circuit breaker according to claim 2, wherein: and a transparent plate (5) is fixedly arranged on the surface of one side of the sliding rail (302), and a pull handle (7) is fixedly arranged on the transparent plate (5).

7. The life detection device for a circuit breaker according to claim 1, wherein: two cabinet doors (6) are hinged to the bottom of the mechanical life detection platform body (1) of the circuit breaker.

8. The life detection device for a circuit breaker according to claim 1, wherein: a ventilation fan (11) is embedded in a position, close to the accommodating cavity (9), of one side wall of the mechanical life detection table body (1) of the circuit breaker, and a ventilation net (4) is embedded in one side wall, far away from the ventilation fan (11), of the mechanical life detection table body (1) of the circuit breaker.