CN213184139U

CN213184139U - Frame type circuit breaker capable of automatically adjusting temperature

Info

Publication number: CN213184139U
Application number: CN202022514404.6U
Authority: CN
Inventors: 陈刚; 柏慧忠; 张前辉
Original assignee: Natu Intelligent Technology Changzhou Co Ltd
Current assignee: Natu Intelligent Technology Changzhou Co Ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-05-11
Anticipated expiration: 2030-11-04

Abstract

The utility model discloses an automatic frame-type circuit breaker of temperature regulation, including the circuit breaker body, the bottom of circuit breaker body is provided with the fixed plate, the top fixedly connected with radiator and the heater of fixed plate, and the circuit breaker body is located between radiator and the heater, be provided with temperature automatic regulating apparatus on the lateral wall of circuit breaker body, temperature automatic regulating apparatus is including fixing the control box on the circuit breaker body lateral wall, establish the operation chamber in the control box, sliding connection has the sliding plate on the inner wall in operation chamber, the inside space that is located between circuit breaker body and the sliding plate of operation chamber is provided with the inflation liquid. The utility model relates to a frame-type circuit breaker technical field can form the automatic regulating apparatus of circuit breaker, and the operating temperature on the effectual control circuit breaker has improved frame-type circuit breaker's life.

Description

Frame type circuit breaker capable of automatically adjusting temperature

Technical Field

The utility model relates to a frame-type circuit breaker technical field specifically is a frame-type circuit breaker of automatically regulated temperature.

Background

The universal circuit breaker is also called frame type circuit breaker, and is a mechanical switch electric appliance which can connect, bear and break the current under the normal circuit condition, and can also connect, bear and break the current for a certain time under the specified abnormal circuit condition. Conventional circuit breakers are used to distribute electrical energy and to protect lines and power equipment from overloads, undervoltages, short circuits, etc.

The upper limit of the ambient air temperature of the using environment of the frame type circuit breaker is not more than +40 ℃, the lower limit of the ambient air temperature is not less than-5 ℃, and the average value of 24h is not more than +35 ℃, so that the temperature of the working environment of the frame type circuit breaker is very important to be ensured.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic frame-type circuit breaker of temperature regulation to solve the frame-type circuit breaker on the existing market that the above-mentioned background art provided and lack the device of automatic temperature regulation, the circuit breaker temperature is difficult to owner under abominable operational environment is controlled, easily causes the problem of frame-type circuit breaker's damage.

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

a frame type circuit breaker capable of automatically adjusting temperature comprises a circuit breaker body, wherein a fixed plate is arranged at the bottom of the circuit breaker body, a radiator and a heater are fixedly connected to the top of the fixed plate, the circuit breaker body is positioned between the radiator and the heater, an automatic temperature adjusting device is arranged on the side wall of the circuit breaker body, the automatic temperature adjusting device comprises an operation box fixed on the side wall of the circuit breaker body, an operation cavity is arranged in the operation box, a sliding plate is connected to the inner wall of the operation cavity in a sliding manner, expansion liquid is arranged in the space between the circuit breaker body and the sliding plate in the operation cavity, a push rod is fixedly connected to the side wall of the sliding plate far away from the expansion liquid, a guide limiting device is arranged on the side wall of the push rod, a first spring is sleeved on the side, one end of the first spring is fixed with the inner wall of the operation cavity, the other end of the first spring is fixed with the side wall of the sliding plate, the other end of the push rod penetrates through the operation box and is fixedly connected with the extrusion plate, the side wall of the circuit breaker body is fixedly connected with the mounting plate, the mounting plate is positioned at the bottom of the breaker body and is connected with a first sliding rod and a second sliding rod through two starting devices in a sliding way, the extrusion plate is positioned between the first sliding rod and the second sliding rod, the opposite side walls of the first sliding rod and the second sliding rod are provided with a first inclined plane and a second inclined plane, the side wall of the extrusion plate, which is close to the first inclined plane and the second inclined plane, is provided with extrusion inclined planes, the two starting devices are respectively and electrically connected with a first electric wire and a second electric wire, and the first electric wire and the second electric wire are respectively and electrically connected with the radiator and the heater.

Preferably, starting drive includes the sliding tray, sliding connection has the start plug on the sliding tray, two the start plug is fixed mutually with the one end of first slide bar and second slide bar respectively, the bottom fixedly connected with of sliding tray starts the jack, the square board of fixedly connected with on the lateral wall of first slide bar and second slide bar, the cover is equipped with the second spring on the lateral wall of first slide bar and second slide bar, the one end of second spring is fixed mutually with the lateral wall of square board, the other end of second spring is fixed mutually with the top lateral wall of mounting panel, two the start jack respectively with first electric wire and second electric wire electric connection.

Preferably, direction stop device is including fixing the sliding strip that two mutual symmetries set up on the catch bar lateral wall, the spout has been seted up on the lateral wall of control box, and the spout sets up with two mutual matchs of sliding strip.

Preferably, smooth films are embedded on the side walls of the extrusion inclined plane, the first inclined plane and the second inclined plane.

Preferably, the operation chambers are fixed with limiting blocks on both side walls of the sliding plate.

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

1. through the arrangement of the expansion liquid, the push rod, the radiator and the heater, when the working temperature of the circuit breaker is higher, the expansion liquid is heated and expanded, the push rod is pushed to start the circuit on the first electric wire, so that the radiator cools the circuit breaker, when the working temperature of the circuit breaker is lower, the expansion liquid contracts, the extrusion rod leans against the first sliding rod under the action of the first spring to start the circuit on the second electric wire, so that the heater heats the circuit breaker, an automatic adjusting device of the circuit breaker is formed, the working temperature of the circuit breaker is effectively controlled, and the service life of the frame type circuit breaker is prolonged;

2. through the setting of parts such as first inclined plane, second inclined plane, extrusion inclined plane, smooth film, when extrusion inclined plane and first inclined plane or second inclined plane extrude, under the effect of smooth film, reduce the frictional force of extrusion in-process, improved temperature automatic regulating apparatus's sensitivity.

Drawings

Fig. 1 is a schematic view of an overall appearance structure of a frame-type circuit breaker capable of automatically adjusting temperature according to the present invention;

fig. 2 is a schematic side view of a frame-type circuit breaker with an automatic temperature adjustment function according to the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 1;

fig. 4 is a schematic diagram of the automatic temperature adjustment structure of the frame-type circuit breaker of the present invention.

In the figure: 1. a circuit breaker body; 2. a fixing plate; 3. a heat sink; 4. a heater; 5. an operation box; 6. an operating chamber; 7. a sliding plate; 8. an expansion liquid; 9. a push rod; 10. a first spring; 11. a pressing plate; 12. mounting a plate; 13. a first slide bar; 14. a second slide bar; 15. a first inclined plane; 16. a second inclined plane; 17. extruding the inclined plane; 18. a sliding groove; 19. starting the plug; 20. starting the jack; 21. a fixing plate; 22. a second spring; 23. a first electric wire; 24. a second electric wire; 25. a slide bar.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a frame type circuit breaker capable of automatically adjusting temperature, comprising a circuit breaker body 1, a fixed plate 2 is arranged at the bottom of the circuit breaker body 1, a radiator 3 and a heater 4 are fixedly connected to the top of the fixed plate 2, the circuit breaker body 1 is positioned between the radiator 3 and the heater 4, an automatic temperature adjusting device is arranged on the side wall of the circuit breaker body 1, the automatic temperature adjusting device comprises an operation box 5 fixed on the side wall of the circuit breaker body 1, an operation cavity 6 is arranged in the operation box 5, a sliding plate 7 is slidably connected to the inner wall of the operation cavity 6, limiting blocks are fixed on the side walls of the operation cavity 6 positioned at the two sides of the sliding plate 7, the limiting function is mainly performed, the movement range of the sliding plate 7 is shortened, the automatic temperature adjusting device is enabled to react more rapidly, an expansion liquid 8 is arranged in the, the side wall of the sliding plate 7 far away from the expansion liquid 8 is fixedly connected with a push rod 9, the side wall of the push rod 9 is provided with a guiding and limiting device, the guiding and limiting device comprises two sliding strips 25 which are symmetrically arranged with each other and fixed on the side wall of the push rod 9, the side wall of the operating box 5 is provided with a sliding groove, the sliding groove and the two sliding strips 25 are arranged in a matching way, mainly in order to start the guiding and limiting function in the moving process of the push rod 9 and improve the accuracy of the device, the side wall of the push rod 9 positioned in the operating cavity 6 is sleeved with a first spring 10, one end of the first spring 10 is fixed with the inner wall of the operating cavity 6, the other end of the first spring 10 is fixed with the side wall of the sliding plate 7, the other end of the push rod 9 penetrates through the operating box 5 and is fixedly connected with a squeezing plate 11, the side wall of the circuit breaker body 1, the mounting plate 12 is connected with a first sliding rod 13 and a second sliding rod 14 through two starting devices in a sliding manner, the extrusion plate 11 is positioned between the first sliding rod 13 and the second sliding rod 14, the opposite side walls of the first sliding rod 13 and the second sliding rod 14 are provided with a first inclined surface 15 and a second inclined surface 16, the side wall of the extrusion plate 11 close to the first inclined surface 15 and the second inclined surface 16 is provided with an extrusion inclined surface 17, the side walls of the extrusion inclined surface 17, the first inclined surface 15 and the second inclined surface 16 are embedded with smooth films, mainly in order to reduce the friction force in the extrusion process and improve the sensitivity of the automatic temperature adjusting device, the two starting devices are respectively and electrically connected with a first electric wire 23 and a second electric wire 24, the first electric wire 23 and the second electric wire 24 are respectively and electrically connected with the radiator 3 and the heater 4, each starting device comprises a sliding groove 18, and a starting plug 19 is connected on the sliding groove 18 in a sliding manner, two start plugs 19 are respectively fixed with one end of a first sliding rod 13 and one end of a second sliding rod 14, the bottom of a sliding groove 18 is fixedly connected with a start jack 20, the side walls of the first sliding rod 13 and the second sliding rod 14 are fixedly connected with a square plate 21, the side walls of the first sliding rod 13 and the second sliding rod 14 are sleeved with a second spring 22, one end of the second spring 22 is fixed with the side wall of the square plate 21, the other end of the second spring 22 is fixed with the top side wall of the mounting plate 12, the two start jacks 20 are respectively electrically connected with a first electric wire 23 and a second electric wire 24, the two start plugs 19 are mainly driven by the movement of the first sliding rod 13 and the second sliding rod 14 to be connected with the start jacks 20 or be opened, manual operation is not needed, and the operation efficiency of the automatic temperature adjusting device is improved through automation.

In the utility model, in the using process of the frame-type circuit breaker, when the temperature on the surface of the circuit breaker exceeds the required range, some expansion liquid 8 inside the operation box 5 is heated to expand, under the gas-liquid action inside the operation cavity 6, the push rod 9 on the push plate 7 is pushed to move, in the moving process, the extrusion inclined plane 17 of the extrusion plate 11 on the push rod 9 is abutted against the side wall of the second inclined plane 16 on the second slide rod 14, under the force transmission action, the second slide rod 14 moves downwards on the slide groove 18, the starting plug 19 on the second slide rod 14 is driven to be communicated with the starting jack 20, a passage is formed between the first electric wire 23 and the radiator 3, and at the moment, the radiator 3 starts to cool the circuit breaker body 1; when the surface temperature of the circuit breaker is lower than the required range, some expansion liquid 8 in the operation box 5 contracts, the sliding plate 7 moves towards the circuit breaker body 1 under the action of the elastic force of the first spring 10, the extrusion inclined surface 17 of the extrusion plate 11 on the push rod 9 is driven to abut against the side wall of the first inclined surface 15 on the first sliding rod 13, the first sliding rod 13 moves downwards on the sliding groove 18 under the transmission action of force, the starting plug 19 on the first sliding rod 13 is driven to be communicated with the starting jack 20, a passage is formed between the second electric wire 24 and the heater 4, the heater 4 starts to start to heat the circuit breaker body 1 at the moment, the operation is simple, the implementation is convenient, the automatic adjusting device of the circuit breaker is formed, the working temperature on the circuit breaker is effectively controlled, and the service life of the frame-type circuit breaker is prolonged.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A frame type circuit breaker capable of automatically adjusting temperature comprises a circuit breaker body (1) and is characterized in that a fixed plate (2) is arranged at the bottom of the circuit breaker body (1), a radiator (3) and a heater (4) are fixedly connected to the top of the fixed plate (2), the circuit breaker body (1) is located between the radiator (3) and the heater (4), an automatic temperature adjusting device is arranged on the side wall of the circuit breaker body (1), the automatic temperature adjusting device comprises an operating box (5) fixed on the side wall of the circuit breaker body (1), an operating cavity (6) is arranged in the operating box (5), a sliding plate (7) is connected to the inner wall of the operating cavity (6) in a sliding mode, and expansion liquid (8) is arranged in the space between the circuit breaker body (1) and the sliding plate (7) in the operating cavity (6), a push rod (9) is fixedly connected to the side wall, far away from the expansion liquid (8), of the sliding plate (7), a guide limiting device is arranged on the side wall of the push rod (9), a first spring (10) is sleeved on the side wall, located inside the operation cavity (6), of the push rod (9), one end of the first spring (10) is fixed to the inner wall of the operation cavity (6), the other end of the first spring (10) is fixed to the side wall of the sliding plate (7), the other end of the push rod (9) penetrates through the operation box (5) and is fixedly connected with a squeezing plate (11), a mounting plate (12) is fixedly connected to the side wall of the breaker body (1), the mounting plate (12) is located at the bottom of the breaker body (1), and a first sliding rod (13) and a second sliding rod (14) are slidably connected to the mounting plate (12) through two starting devices, and the stripper plate (11) is positioned between the first sliding rod (13) and the second sliding rod (14), a first inclined plane (15) and a second inclined plane (16) are arranged on the opposite side walls of the first sliding rod (13) and the second sliding rod (14), an extrusion inclined plane (17) is arranged on the side wall of the stripper plate (11) close to the first inclined plane (15) and the second inclined plane (16), two starting devices are respectively and electrically connected with a first electric wire (23) and a second electric wire (24), and the first electric wire (23) and the second electric wire (24) are respectively and electrically connected with the radiator (3) and the heater (4).

2. A frame breaker for automatically adjusting temperature according to claim 1, wherein the actuating device comprises a sliding slot (18), the sliding slot (18) is slidably connected with an actuating plug (19), two actuating plugs (19) are respectively fixed with one end of a first sliding rod (13) and one end of a second sliding rod (14), the bottom of the sliding slot (18) is fixedly connected with an actuating jack (20), the side walls of the first sliding rod (13) and the second sliding rod (14) are fixedly connected with a square plate (21), the side walls of the first sliding rod (13) and the second sliding rod (14) are sleeved with a second spring (22), one end of the second spring (22) is fixed with the side wall of the square plate (21), the other end of the second spring (22) is fixed with the top side wall of the mounting plate (12), the two starting jacks (20) are respectively electrically connected with a first electric wire (23) and a second electric wire (24).

3. A frame type circuit breaker for automatically adjusting temperature according to claim 1, wherein the guiding and limiting device comprises two sliding bars (25) fixed on the side wall of the pushing rod (9) and symmetrically arranged with each other, the side wall of the operation box (5) is provided with a sliding groove, and the sliding groove and the two sliding bars (25) are arranged in a matching manner.

4. A frame type circuit breaker for automatically adjusting temperature according to claim 1, wherein a smooth film is embedded on the side walls of the pressing slope (17), the first slope (15) and the second slope (16).

5. A frame type circuit breaker for automatically adjusting temperature according to claim 1, wherein the operation chamber (6) is fixed with a stopper block on both side walls of the sliding plate (7).