CN216389216U

CN216389216U - Circuit breaker that security performance is high

Info

Publication number: CN216389216U
Application number: CN202123055712.8U
Authority: CN
Inventors: 杨金达; 张艳秀
Original assignee: Fujian Yida Tonger Electric Technology Co ltd
Current assignee: Fujian Yida Tonger Electric Technology Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-04-26
Anticipated expiration: 2031-12-07

Abstract

The utility model discloses a circuit breaker with high safety performance, which belongs to the field of circuit breakers and comprises a box body, wherein the box body is of a cuboid structure with an opening on one side wall, a box door is arranged at the opening of the box body, a circuit breaker main body is arranged on the inner wall on one side of the box body, wiring holes are formed in the bottom wall of the top wall of the box body, air exhaust holes are symmetrically formed in the top wall of the box body, a first dust screen is arranged in each air exhaust hole, dehumidifying boxes are symmetrically fixed on the side wall of the box door, air suction holes are formed in the two side walls of each dehumidifying box, drying agents are arranged in the dehumidifying boxes, an air inlet hole is formed in one side of the bottom wall of the box door, a second dust screen is arranged in each air inlet hole, a fan is arranged on one side of each air inlet hole, and a flow guide cover is arranged on one side of each fan; the utility model has novel design and smart structure, can protect the circuit breaker, avoids dust and moisture from influencing the main body of the circuit breaker, can radiate the circuit breaker, prolongs the service life of the circuit breaker, improves the safety performance, and is worthy of popularization.

Description

Circuit breaker that security performance is high

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to a circuit breaker with high safety performance.

Background

The circuit breaker is a switching device capable of closing, bearing and opening current under normal circuit conditions and closing, and bearing and opening current under abnormal circuit conditions within a specified time, and is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the using range, the dividing of the high-voltage and low-voltage boundary lines is fuzzy, the circuit breaker is generally called as a high-voltage electrical appliance with the voltage of more than 3kV, the circuit breaker can be used for distributing electric energy, an asynchronous motor is started infrequently, a power supply line, the motor and the like are protected, and when the circuit breaker is subjected to serious overload or faults such as short circuit, undervoltage and the like, the circuit can be automatically cut off.

But current circuit breaker outside lacks protector usually, if installation circuit breaker device service environment is in when comparatively abominable condition, the circuit breaker body junction easily prepares dust impurity even water and is attached the erosion, is unfavorable for the permanent safety and stability of circuit breaker body to use, and the connector lug also can expose outside, causes certain potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model provides a breaker with high safety performance, which aims to solve the problems in the background technology.

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

the utility model provides a circuit breaker that security performance is high, the power distribution box comprises a box body, the box is provided with open cuboid structure for a lateral wall, the uncovered department of box is provided with the chamber door, install the circuit breaker main part on the inner wall of one side of box, the wiring hole has all been seted up on the roof diapire of box, the hole of airing exhaust has been seted up to the symmetry on the roof of box, and it is provided with dust screen one to air exhaust downthehole, the symmetry is fixed with the dehumidification case on the lateral wall of chamber door, the suction hole has all been seted up on the both sides wall of dehumidification case, be provided with the drier in the dehumidification case, the fresh air inlet has been seted up to one side of chamber door diapire, be provided with dust screen two in the fresh air inlet, the fan is installed to one side of fresh air inlet, the kuppe is installed to one side of fan, the one end of kuppe is connected with the gas blow pipe, the gas blow hole has been seted up along length direction on the gas blow pipe, and the gas blow pipe passes through the clamp to be fixed on the chamber door.

In a preferred embodiment, the box door is hinged to the opening of the box body through a hinge, and a handle is mounted on the box door.

In a preferred embodiment, a rubber sealing ring is arranged inside the wire connecting hole.

As a preferred embodiment, the distance between the two dehumidification tanks is greater than the width of the circuit breaker main body.

In a preferred embodiment, the desiccant is a silica gel desiccant.

In a preferred embodiment, the air guide sleeve is a conical structure with a large left part and a small right part.

The utility model has the beneficial effects that:

1. according to the breaker with high safety performance, the breaker main body is arranged in the box body through the structures such as the box body, the box door, the wiring hole, the dehumidification box, the air suction hole and the drying agent, the breaker main body is protected, the connector lug is prevented from being exposed outside, the breaker main body is prevented from being influenced by dust and moisture, and the safety performance is improved;

2. this circuit breaker that security performance is high can dispel the heat to the circuit breaker main part through setting up hole of airing exhaust, dust screen one, fresh air inlet, dust screen two, fan, kuppe and gas blow pipe isotructure, prolongs the life of circuit breaker main part, further improves the security of using.

Drawings

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

FIG. 2 is a front view of the case of the present invention;

figure 3 is a side view of the door of the present invention.

Reference numbers in the figures: 1. a box body; 2. a box door; 3. a circuit breaker main body; 4. a wiring hole; 5. an air exhaust hole; 6. a first dust screen; 7. a dehumidification box; 8. a suction hole; 9. a desiccant; 10. an air inlet hole; 11. a second dust screen; 12. a fan; 13. a pod; 14. an air blowing pipe; 15. a gas blowing hole; 16. and (5) clamping a hoop.

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.

Referring to fig. 1-3, a circuit breaker that security performance is high, includes box 1, and box 1 is provided with open cuboid structure for a lateral wall, and the uncovered department of box 1 is provided with chamber door 2, and chamber door 2 hinges the uncovered department at box 1 through the hinge, and installs the handle on chamber door 2, installs circuit breaker main part 3 on the inner wall of one side of box 1, has all seted up wiring hole 4 on the roof diapire of box 1, and the inside of wiring hole 4 is provided with rubber seal.

The symmetry has been seted up on the roof of box 1 and has been aired exhaust hole 5, and it is provided with dust screen 6 in the hole 5 to exhaust, and the symmetry is fixed with dehumidification case 7 on the lateral wall of chamber door 2, and the distance between two dehumidification cases 7 is greater than the width of circuit breaker main part 3, has all seted up suction hole 8 on the both sides wall of dehumidification case 7, is provided with drier 9 in the dehumidification case 7, and drier 9 is the silica gel drier.

An air inlet hole 10 is formed in one side of the bottom wall of the box door 2, a second dust screen 11 is arranged in the air inlet hole 10, a fan 12 is installed on one side of the air inlet hole 10, a flow guide cover 13 is installed on one side of the fan 12, the flow guide cover 13 is of a conical structure with the left big end and the right small end, one end of the flow guide cover 13 is connected with an air blowing pipe 14, an air blowing hole 15 is formed in the air blowing pipe 14 in the length direction, and the air blowing pipe 14 is fixed to the box door 2 through a clamp 16.

The working principle is as follows: the breaker main body 3 is arranged in the box body 1, so that a connector lug can be prevented from being exposed outside, wiring is carried out through the wiring hole 4, a rubber sealing ring is arranged in the wiring hole 4, the sealing performance of the wiring hole 4 can be improved, dust and water vapor can enter the box body 1, the box door 2 is closed when the breaker is used, the two dehumidifying boxes 7 are positioned at two sides of the breaker main body 3, the water vapor in the box body 1 can be absorbed, and the influence of the water on the breaker main body 3 is avoided; when chamber door 2 was closed, opened fan 12 and inhaled the external air in the box 1, in dust screen two 11 can avoid the dust to get into box 1, the air evenly blows to circuit breaker main part 3 through the hole 15 that blows on the gas blow pipe 14, dispels the heat to circuit breaker main part 3, and the heat is arranged to the outside through hole 5 of airing exhaust, has prolonged the life of circuit breaker main part 3, improves the security performance, is worth promoting.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

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. The circuit breaker with high safety performance comprises a box body (1) and is characterized in that the box body (1) is of a cuboid structure with an opening in one side wall, a box door (2) is arranged in the opening of the box body (1), a circuit breaker main body (3) is installed on the inner wall of one side of the box body (1), wiring holes (4) are formed in the bottom wall of the top wall of the box body (1), air exhaust holes (5) are symmetrically formed in the top wall of the box body (1), a first dust screen (6) is arranged in the air exhaust holes (5), dehumidifying boxes (7) are symmetrically fixed on the side wall of the box door (2), air suction holes (8) are formed in the two side walls of the dehumidifying boxes (7), drying agents (9) are arranged in the dehumidifying boxes (7), air inlet holes (10) are formed in one side of the bottom wall of the box door (2), a second dust screen (11) is arranged in the air inlet holes (10), and a fan (12) is installed on one side of the air inlet holes (10), a flow guide cover (13) is installed on one side of a fan (12), one end of the flow guide cover (13) is connected with an air blowing pipe (14), an air blowing hole (15) is formed in the air blowing pipe (14) in the length direction, and the air blowing pipe (14) is fixed to a box door (2) through a clamp (16).

2. The circuit breaker with high safety performance according to claim 1, characterized in that the box door (2) is hinged at the opening of the box body (1) through a hinge, and a handle is installed on the box door (2).

3. A high safety circuit breaker according to claim 1, wherein the wiring hole (4) is internally provided with a rubber sealing ring.

4. A high safety circuit breaker according to claim 1, wherein the distance between two dehumidifying boxes (7) is greater than the width of the breaker body (3).

5. A high-safety circuit breaker according to claim 1, wherein said desiccant (9) is silica gel desiccant.

6. A high-safety circuit breaker according to claim 1, wherein the air guide sleeve (13) is a conical structure with a large left and a small right.