CN218782988U

CN218782988U - Novel circuit breaker

Info

Publication number: CN218782988U
Application number: CN202222550882.1U
Authority: CN
Inventors: 孙国玺; 姜蕊
Original assignee: Huaxiang Technology Heilongjiang Co ltd
Current assignee: Huaxiang Technology Heilongjiang Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-03-31
Anticipated expiration: 2032-09-27

Abstract

The utility model relates to the technical field of electrical equipment, a novel circuit breaker is disclosed, including casing, apron and switch lever, the front end fixedly connected with display panel of casing upper surface, a plurality of first ventholes have been seted up on the upper portion of casing front end outer wall, the upper end of switch lever is rotated and is connected with the head rod, the rear end of head rod is rotated and is connected with the second connecting rod, the upper end of second connecting rod is rotated and is connected with the third connecting rod, the front end of third connecting rod is rotated and is connected with the fourth connecting rod. The utility model discloses in, can observe inside through the warning light whether have the electric current to flow in, can carry out temperature detection to inside conducting strip and bimetallic strip through first temperature sensor and second temperature sensor simultaneously, on the temperature transmission display panel that will detect, can observe the temperature condition of inner member in real time through display panel to can make counter-measure on next step according to the height of temperature.

Description

Novel circuit breaker

Technical Field

The utility model relates to an electrical equipment technical field especially relates to a novel circuit breaker.

Background

A circuit breaker is a switching device capable of closing, carrying, and breaking a current under a normal circuit condition and closing, carrying, and breaking a current under an abnormal circuit condition within a predetermined time, and is used to distribute electric power without frequently starting an asynchronous motor, protect a power line, a motor, etc., and automatically break a circuit when a fault such as a serious overload or short circuit or undervoltage occurs, and has a function equivalent to a combination of a fuse-type switch and an over-under-heat relay, etc., and no change of parts is generally required after breaking a fault current, and thus has been widely used

However, the traditional circuit breaker is inconvenient for observing the temperature of internal elements, so as to adjust the internal elements on the next step, and is inconvenient for radiating the internal elements, and simultaneously, along with the miniaturization of the appearance of the circuit breaker, the heat generated by the internal elements is greatly increased in unit size, so that the temperature rise of the internal elements is a non-negligible problem which affects the working reliability of the circuit breaker, and therefore, the technical improvement is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the novel circuit breaker that proposes can observe inside through the warning light and whether have the electric current to flow in, can carry out temperature detection to inside conducting strip and bimetallic strip through first temperature sensor and second temperature sensor simultaneously, on the temperature transmission display panel that will detect, can observe the temperature condition of inner member through display panel in real time to can make countermeasure on next step according to the height of temperature.

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

a novel circuit breaker comprises a shell, a cover plate and a switch rod, wherein a display panel is fixedly connected to the front end of the upper surface of the shell, a plurality of first air outlet holes are formed in the upper portion of the outer wall of the front end of the shell, a first connecting rod is rotatably connected to the upper end of the switch rod, a second connecting rod is rotatably connected to the rear end of the first connecting rod, a third connecting rod is rotatably connected to the upper end of the second connecting rod, a fourth connecting rod is rotatably connected to the front end of the third connecting rod, a fifth connecting rod is rotatably connected to the lower portion of the front end inside the shell, and a contact assembly is fixedly connected to the rear end of the upper portion of the second connecting rod;

the bottom surface and the top surface in the shell are both connected with a fixed cover, a conducting strip is arranged in the fixed cover and penetrates through the fixed cover to the inside of the shell, the middle part of one side in the shell is fixedly connected with two limiting blocks, the front ends of the limiting blocks at the front ends are fixedly connected with a threaded coil, an iron core column is arranged in the threaded coil, and the upper end of the conducting strip at the lower end is fixedly connected with a bimetallic strip;

the rear end of the inner bottom surface of the shell is fixedly connected with a heat dissipation fan, the upper part of the outer wall of the front end of the shell is fixedly connected with a prompt lamp, the center of the inner part of the cover plate is fixedly connected with a heat absorption sheet, the outer wall of the heat absorption sheet is fixedly connected with a heat conduction sheet, the front end of the inner bottom surface of the shell is fixedly connected with a first temperature sensor, and the rear end of the inner top surface of the shell is fixedly connected with a second temperature sensor;

through above-mentioned technical scheme, can make the inside circulation of air of circuit breaker through heat dissipation fan and first venthole, when circuit breaker work was of a long time, can inhale the steam that circuit breaker internal element produced through the heat-absorbing fin, the inside of circuit breaker is derived with steam to the rethread conducting strip to make the inside component of circuit breaker be in a good operational environment.

Furthermore, the first temperature sensor and the second temperature sensor are both electrically connected with the display panel;

through above-mentioned technical scheme, can observe the temperature that detects through electrical connection.

Furthermore, the prompting lamp is electrically connected with the conducting strip at the upper end;

through above-mentioned technical scheme, can observe inside whether have the electric current to pass through electric connection.

Furthermore, an arc extinguish chamber is arranged at the rear end of the interior of the shell;

through above-mentioned technical scheme, can put off the arc and restrain the electric current rapidly through the explosion chamber, avoid accident and unexpected emergence.

Furthermore, the contact assembly and the bimetallic strip are electrically connected with the threaded coil;

through above-mentioned technical scheme, can make the electric current circulate through electric connection.

Furthermore, bolts are connected to the inner parts of the fixed covers in a threaded manner;

through above-mentioned technical scheme, can fix the conducting strip through the bolt.

Furthermore, a plurality of second air outlet holes are formed in the upper part of the outer wall of the rear end of the shell;

through above-mentioned technical scheme, can make the air circulate through the second venthole.

Furthermore, a plurality of third air outlet holes are formed in the rear end of the lower surface of the shell;

through above-mentioned technical scheme, can assist the heat dissipation through the third venthole.

The utility model discloses following beneficial effect has:

1. the utility model provides a novel circuit breaker, the current circuit breaker of contrast, this novel circuit breaker is provided with display panel, the warning light, first temperature sensor, second temperature sensor, when needs use the circuit breaker, can observe whether inside has the electric current to flow in through the warning light, can carry out temperature detection to inside conducting strip and bimetallic strip through first temperature sensor and second temperature sensor simultaneously, on the temperature transmission display panel that will detect, can observe the temperature condition of internal component in real time through display panel, thereby can make counter-measure on next step according to the height of temperature.

2. The utility model provides a novel circuit breaker, the current circuit breaker of contrast, this novel circuit breaker is provided with the heat dissipation fan, first venthole, the second venthole, the third venthole, the heat sink, the conducting strip, when the circuit breaker is in work, can make the inside circulation of air of circuit breaker through heat dissipation fan and first venthole, when circuit breaker work is of a specified duration, can inhale the steam that circuit breaker internal element produced through the heat sink, the inside of circuit breaker is derived with steam to the rethread conducting strip, thereby make the inside component of circuit breaker be in a good operational environment.

3. The utility model provides a novel circuit breaker, the current circuit breaker of contrast, this novel circuit breaker simple structure, convenient to detach is with trading inside component, also is convenient for dispel the heat to the inside component of during operation simultaneously, can make inside air circulate, also is convenient for the temperature of real-time observation internal element, and takes corresponding measure.

Drawings

Fig. 1 is an axonometric view of a new circuit breaker according to the present invention;

fig. 2 is a side sectional view of a novel circuit breaker according to the present invention;

fig. 3 is a side view of a novel circuit breaker according to the present invention;

fig. 4 is an explosion diagram of the novel circuit breaker water tank.

Illustration of the drawings:

1. a housing; 2. a cover plate; 3. a display panel; 4. a first air outlet hole; 5. a second air outlet; 6. a third air outlet; 7. a switch lever; 8. a first connecting rod; 9. a second connecting rod; 10. a third connecting rod; 11. a fourth connecting rod; 12. a contact assembly; 13. a fixed cover; 14. a bolt; 15. a metal sheet; 16. an arc extinguishing chamber; 17. a threaded coil; 18. a core limb; 19. a bimetal; 20. a heat dissipation fan; 21. a warning light; 22. a heat absorbing sheet; 23. a heat conductive sheet; 24. a fifth connecting rod; 25. a first temperature sensor; 26. a second temperature sensor; 27. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a novel circuit breaker comprises a shell 1, a cover plate 2 and a switch rod 7, wherein a display panel 3 is fixedly connected to the front end of the upper surface of the shell 1, a plurality of first air outlet holes 4 are formed in the upper portion of the outer wall of the front end of the shell 1, a first connecting rod 8 is rotatably connected to the upper end of the switch rod 7, a second connecting rod 9 is rotatably connected to the rear end of the first connecting rod 8, a third connecting rod 10 is rotatably connected to the upper end of the second connecting rod 9, a fourth connecting rod 11 is rotatably connected to the front end of the third connecting rod 10, a fifth connecting rod 24 is rotatably connected to the lower portion of the front end in the shell 1, and a contact assembly 12 is fixedly connected to the rear end of the upper portion of the second connecting rod 9;

the bottom surface and the top surface inside the shell 1 are both connected with a fixed cover 13, a conducting strip 15 is arranged inside the fixed cover 13, the conducting strip 15 penetrates through the fixed cover 13 to the inside of the shell 1, the middle part of one side inside the shell 1 is fixedly connected with two limiting blocks 27, the front end of the front end limiting block 27 is fixedly connected with a threaded coil 17, an iron core column 18 is arranged inside the threaded coil 17, and the upper end of the lower end conducting strip 15 is fixedly connected with a bimetallic strip 19;

the rear end of the inner bottom surface of the shell 1 is fixedly connected with a heat radiation fan 20, the upper part of the outer wall of the front end of the shell 1 is fixedly connected with a prompt lamp 21, the center of the inner part of the cover plate 2 is fixedly connected with a heat absorption sheet 22, the outer wall of the heat absorption sheet 22 is fixedly connected with a heat conduction sheet 23, the front end of the inner bottom surface of the shell 1 is fixedly connected with a first temperature sensor 25, and the rear end of the inner top surface of the shell 1 is fixedly connected with a second temperature sensor 26;

the air inside the circuit breaker can circulate through the heat dissipation fan 20 and the first air outlet 4, when the circuit breaker works for a long time, hot air generated by internal elements of the circuit breaker can be sucked in through the heat absorption sheet 22, and then the hot air is led out of the interior of the circuit breaker through the heat conduction sheet 23, so that the internal elements of the circuit breaker are in a good working environment;

first temperature sensor 25 and second temperature sensor 26 all with display panel 3 electric connection, can observe the temperature that detects through electric connection, the conducting strip 15 electric connection of warning light 21 and upper end can observe inside whether there is the electric current to pass through electric connection, the inside rear end of casing 1 is provided with explosion chamber 16, can extinguish arc and inhibit current rapidly through explosion chamber 16, avoids accident and unexpected emergence, contact subassembly 12 and bimetallic strip 19 all with thread coil 17 electric connection, can make the electric current circulation through electric connection, the equal threaded connection in inside of fixed cover 13 has bolt 14, can 14 with fixed conducting strip 15 through the bolt, a plurality of second ventholes 5 have been seted up on the upper portion of casing 1 rear end outer wall, can make the air circulate through second venthole 5, a plurality of third ventholes 6 have been seted up to the rear end of casing 1 lower surface, can assist the heat dissipation through third venthole 6.

The working principle is as follows: when the circuit breaker needs to be used, whether current flows into the circuit breaker inside can be observed through the prompting lamp 21, meanwhile, the temperature of the conducting strip 15 and the bimetallic strip 19 inside can be detected through the first temperature sensor 25 and the second temperature sensor 26, the detected temperature is transmitted to the display panel 3, the temperature condition of internal elements can be observed in real time through the display panel 3, further, the next step of measures can be taken according to the temperature, when the circuit breaker works, the air inside the circuit breaker can flow through the heat dissipation fan 20 and the first air outlet hole 4, when the circuit breaker works for a long time, hot air generated by the internal elements of the circuit breaker can be sucked in through the heat absorption sheet 22, and then the hot air is led out of the inside of the circuit breaker through the heat conduction sheet 23, so that the internal elements of the circuit breaker are in a good working environment.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a novel circuit breaker, includes casing (1), apron (2) and switch lever (7), its characterized in that: the front end of the upper surface of the shell (1) is fixedly connected with a display panel (3), the upper part of the outer wall of the front end of the shell (1) is provided with a plurality of first air outlet holes (4), the upper end of the switch rod (7) is rotatably connected with a first connecting rod (8), the rear end of the first connecting rod (8) is rotatably connected with a second connecting rod (9), the upper end of the second connecting rod (9) is rotatably connected with a third connecting rod (10), the front end of the third connecting rod (10) is rotatably connected with a fourth connecting rod (11), the lower part of the front end in the shell (1) is rotatably connected with a fifth connecting rod (24), and the rear end of the upper part of the second connecting rod (9) is fixedly connected with a contact assembly (12);

the bottom surface and the top surface in the shell (1) are both connected with a fixed cover (13), a conducting strip (15) is arranged in each fixed cover (13), each conducting strip (15) penetrates through the fixed cover (13) to the inside of the shell (1), the middle of one side in the shell (1) is fixedly connected with two limiting blocks (27), the front ends of the limiting blocks (27) are fixedly connected with a threaded coil (17), an iron core column (18) is arranged in the threaded coil (17), and the upper end of the conducting strip (15) at the lower end is fixedly connected with a bimetallic strip (19);

the improved solar heat collector is characterized in that a heat dissipation fan (20) is fixedly connected to the rear end of the inner bottom surface of the shell (1), a prompt lamp (21) is fixedly connected to the upper portion of the outer wall of the front end of the shell (1), a heat absorption sheet (22) is fixedly connected to the center of the inner portion of the cover plate (2), a heat conduction sheet (23) is fixedly connected to the outer wall of the heat absorption sheet (22), a first temperature sensor (25) is fixedly connected to the front end of the inner bottom surface of the shell (1), and a second temperature sensor (26) is fixedly connected to the rear end of the inner top surface of the shell (1).

2. The novel circuit breaker of claim 1, wherein: the first temperature sensor (25) and the second temperature sensor (26) are both electrically connected with the display panel (3).

3. The novel circuit breaker of claim 1, wherein: the prompting lamp (21) is electrically connected with the conducting strip (15) at the upper end.

4. The novel circuit breaker of claim 1, wherein: an arc extinguishing chamber (16) is arranged at the rear end inside the shell (1).

5. The novel circuit breaker of claim 1, wherein: the contact assembly (12) and the bimetallic strip (19) are electrically connected with the threaded coil (17).

6. The novel circuit breaker of claim 1, wherein: and bolts (14) are connected in the fixed cover (13) in a threaded manner.

7. The novel circuit breaker of claim 1, wherein: and a plurality of second air outlet holes (5) are formed in the upper part of the outer wall of the rear end of the shell (1).

8. The novel circuit breaker of claim 1, wherein: and the rear end of the lower surface of the shell (1) is provided with a plurality of third air outlet holes (6).