CN220456326U

CN220456326U - Thermomagnetic circuit breaker

Info

Publication number: CN220456326U
Application number: CN202322119712.2U
Authority: CN
Inventors: 赵坤; 刘艳辉; 王炎昭; 赵智勇; 魏武文
Original assignee: Chusul Electric Co ltd
Current assignee: Chusul Electric Co ltd
Priority date: 2023-08-08
Filing date: 2023-08-08
Publication date: 2024-02-06
Anticipated expiration: 2033-08-08

Abstract

The utility model discloses a thermomagnetic circuit breaker, which comprises a base, a middle cover arranged at the top of the base and an upper cover arranged at the top of the middle cover, wherein the middle cover is provided with a containing groove, an auxiliary report module is arranged in the containing groove, a circuit board is arranged on the middle cover, the auxiliary report module is connected with the circuit board, an indicator lamp is fixedly connected to the top of the circuit board, a terminal port is connected to the circuit board, a movable support is fixedly connected to the inside of the base, a movable contact is arranged on the movable support, an operating mechanism for enabling the movable contact to act is arranged in the base, and a traction rod for enabling the operating mechanism to act is arranged in the base.

Description

Thermomagnetic circuit breaker

Technical Field

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

Background

The thermomagnetic circuit breaker is a common protection device for a power system, and generally comprises an operating mechanism, a thermomagnetic tripping mechanism, an arc extinguishing system, a contact system, a traction rod and other parts, when overload or short circuit occurs in a circuit, the thermomagnetic circuit breaker can timely detect current abnormality and rapidly cut off the circuit, so that the protection effect is achieved.

The existing thermomagnetic circuit breaker has no remote communication function, in actual use, workers need to carry out field inspection to know the state of the thermomagnetic circuit breaker, and once the quantity of the thermomagnetic circuit breaker is more, the inspection time is longer, and the inspection efficiency is low.

Disclosure of Invention

The present utility model is directed to a thermo-magnetic circuit breaker, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a thermomagnetic circuit breaker, includes the base, sets up in the well lid at the base top and set up the upper cover at well lid top, well cover and be equipped with the storage tank, the internally mounted of storage tank has the assistance to report the module, well cover and be equipped with the circuit board, it is connected with the circuit board to assist the module that reports, the top fixedly connected with pilot lamp of circuit board, be connected with the terminal mouth on the circuit board, the inside fixedly connected with movable support of base, install the moving contact on the movable support, the inside of base is equipped with the operating device who is used for making the moving contact action, the inside of base is equipped with the traction lever that is used for making the operating device action, the inside of base still is equipped with the thermomagnetic tripping device who is used for making the traction lever motion.

As a preferable mode of the present utility model, the operating mechanism is provided with a handle.

As a preferable scheme of the utility model, the top of the upper cover is provided with a mark and a through hole, and the upper cover is provided with an opening.

As a preferable scheme of the utility model, clamping grooves are formed in two sides of the middle cover, and buckles matched with the clamping grooves are arranged in two sides of the upper cover.

As a preferable scheme of the utility model, a fixed contact matched with the moving contact is arranged in the base, and an arc extinguishing chamber is arranged on the fixed contact.

As a preferable scheme of the utility model, an arc-flash cover is arranged on the outer side of the base, and an arc-barrier plate is arranged on the arc-flash cover.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the circuit breaker has a remote communication function through the auxiliary report module, the terminal port and the circuit board, the state information of the circuit breaker is sent to the remote control system, a worker does not need to carry out on-site inspection, the state of the circuit breaker can be known through the remote control system, and the inspection efficiency is greatly improved.

Drawings

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

FIG. 2 is an exploded view of the present utility model;

FIG. 3 is an enlarged view of the utility model at A in FIG. 2;

fig. 4 is an enlarged view of the present utility model at B in fig. 2.

In the figure: 1. a base; 2. an upper cover; 3. a middle cover; 4. identification; 5. a flashover cover; 6. arc-shield plate; 7. a through hole; 8. a handle; 9. a terminal opening; 10. a stationary contact; 11. an arc extinguishing chamber; 12. an opening; 13. an indicator light; 14. a circuit board; 15. a buckle; 16. an auxiliary report module; 17. a receiving groove; 18. a clamping groove; 19. a moving contact; 20. a movable support; 21. an operating mechanism; 22. a thermo-magnetic trip mechanism; 23. a traction rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the thermomagnetic circuit breaker comprises a base 1, a middle cover 3 arranged at the top of the base 1, and an upper cover 2 arranged at the top of the middle cover 3, wherein a containing groove 17 is arranged on the middle cover 3, an auxiliary report module 16 is arranged in the containing groove 17, the auxiliary report module 16 can acquire the state of the circuit breaker and has a remote communication function, the state information of the circuit breaker can be transmitted to a remote control system, a worker can directly know the state of the circuit breaker from the remote control system, so that the field inspection is not needed, the inspection efficiency is greatly improved, a circuit board 14 is arranged on the middle cover 3, the auxiliary report module 16 is connected with the circuit board 14, the top of the circuit board 14 is fixedly connected with indicator lamps 13, the number of the indicator lamps 13 is three, the circuit breaker is characterized in that the circuit breaker is respectively represented by a closing state, a breaking state and a tripping state of the circuit breaker, a worker can easily know the state of the circuit breaker, a terminal port 9 is connected to the circuit board 14, the terminal port 9 is used for being connected with a communication circuit, a movable support 20 is fixedly connected to the inside of the base 1, a movable contact 19 is installed on the movable support 20, an operating mechanism 21 for enabling the movable contact 19 to act is arranged in the base 1, a traction rod 23 for enabling the operating mechanism 21 to act is arranged in the base 1, a thermomagnetic tripping mechanism 22 for enabling the traction rod 23 to move is further arranged in the base 1, the thermomagnetic tripping mechanism 22 can enable the operating mechanism 21 to act through the traction rod 23, tripping of the circuit breaker is achieved, and the operating mechanism 21, the traction rod 23 and the thermomagnetic tripping mechanism 22 are all of the prior art and are not specifically described.

The handle 8 is installed on the operating mechanism 21, and the handle 8 can facilitate a worker to manually control the operating mechanism 21, so that the moving contact 19 moves to open and close the circuit breaker.

Wherein, the top of upper cover 2 is equipped with sign 4 and through-hole 7, and sign 4 can make things convenient for the staff to know the meaning that pilot lamp 13 represents, and through-hole 7 can prevent that upper cover 2 from sheltering from pilot lamp 13, makes things convenient for the staff to look over pilot lamp 13, is equipped with opening 12 on the upper cover 2, and opening 12 can prevent that upper cover 2 from blockking to terminal mouth 9.

Wherein, the both sides of well lid 3 are equipped with draw-in groove 18, and the both sides of upper cover 2 are equipped with draw-in groove 18 matched with buckle 15, and buckle 15 and draw-in groove 18 cooperation are used for playing the fixed action to upper cover 2.

Wherein, the inside of base 1 installs the fixed contact 10 that cooperatees with moving contact 19, installs explosion chamber 11 on the fixed contact 10, and explosion chamber 11 is used for extinguishing the electric arc.

The arc-extinguishing device comprises a base 1, wherein an arc-extinguishing cover 5 is arranged on the outer side of the base 1, the arc-extinguishing cover 5 plays a role in thoroughly extinguishing residual electric arcs flying out of an arc-extinguishing chamber 11, an arc-extinguishing plate 6 is arranged on the arc-extinguishing cover 5, the arc-extinguishing plate 6 is used for isolating electric arcs and preventing the electric arcs from damaging surrounding environment and personnel, and the arc-extinguishing plate 6 can effectively control the energy and the direction of the electric arcs so as not to cause damage to equipment and personnel.

Specifically, the terminal port 9 is connected with a communication line, when the state of the circuit breaker is changed such as tripping, the auxiliary report module 16 acquires the state information of the circuit breaker, the indicator lamp 13 corresponding to the state is lightened according to the state of the circuit breaker, the state information of the circuit breaker is sent to a remote control system through the terminal port 9, a worker can know the state of the circuit breaker through the remote control system, the field inspection is not needed, and the inspection efficiency is greatly improved.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defining "first," "second," "third," "fourth" may explicitly or implicitly include at least one such feature.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a thermomagnetic circuit breaker, includes base (1), sets up well lid (3) at base (1) top to and upper cover (2) of setting at well lid (3) top, its characterized in that: be equipped with holding groove (17) on well lid (3), the internally mounted of holding groove (17) has and assists report module (16), be equipped with circuit board (14) on well lid (3), it is connected with circuit board (14) to assist report module (16), the top fixedly connected with pilot lamp (13) of circuit board (14), be connected with terminal mouth (9) on circuit board (14), the inside fixedly connected with movable support (20) of base (1), install movable contact (19) on movable support (20), the inside of base (1) is equipped with operating device (21) that are used for making movable contact (19) action, the inside of base (1) is equipped with and is used for making drawbar (23) of operating device (21) action, the inside of base (1) still is equipped with thermomagnetic tripping device (22) that are used for making drawbar (23) motion.

2. A thermo-magnetic circuit breaker according to claim 1, characterized in that: the operating mechanism (21) is provided with a handle (8).

3. A thermo-magnetic circuit breaker according to claim 1, characterized in that: the top of upper cover (2) is equipped with sign (4) and through-hole (7), be equipped with opening (12) on upper cover (2).

4. A thermo-magnetic circuit breaker according to claim 1, characterized in that: clamping grooves (18) are formed in two sides of the middle cover (3), and buckles (15) matched with the clamping grooves (18) are arranged on two sides of the upper cover (2).

5. A thermo-magnetic circuit breaker according to claim 1, characterized in that: the base (1) is internally provided with a fixed contact (10) matched with the moving contact (19), and the fixed contact (10) is provided with an arc extinguishing chamber (11).

6. A thermo-magnetic circuit breaker according to claim 1, characterized in that: an arc-flash cover (5) is arranged on the outer side of the base (1), and an arc-barrier plate (6) is arranged on the arc-flash cover (5).