CN214797312U

CN214797312U - Indicating device for opening and closing small circuit breaker

Info

Publication number: CN214797312U
Application number: CN202120143644.1U
Authority: CN
Inventors: 覃满馨; 曾学礼; 王赛鸥; 南存建; 鲁凡; 林兴模; 陈光胡
Original assignee: Yueqing Lianyu Electric Co ltd
Current assignee: Yueqing Lianyu Electric Co ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-11-19
Anticipated expiration: 2031-01-20

Abstract

The utility model discloses a small circuit breaker opening and closing indicating device, which comprises a base, an arc extinguish chamber is arranged at the bottom of the center in the base, a wire clamp is arranged at the upper left corner of an arc isolating plate, an adjusting screw is arranged at the upper right corner of the wire clamp, a contact is arranged at the right side of the arc extinguish chamber, a magnetic conductive sheet is arranged at the left side of an electromagnetic device, a moving contact is arranged at the right side of the electromagnetic device, a lock catch is arranged above the electromagnetic device, a first main shaft is arranged at the lower left corner of the lock catch, a second main shaft is arranged at the right side of the upper part of the first main shaft, a first spring is arranged on the second main shaft, a handle is arranged on the second main shaft, a second spring is arranged in the handle, a third main shaft is arranged at the lower right side of the second main shaft, a jump buckle is arranged on the third main shaft, an indicating connecting rod is arranged at the right side of the third main shaft, a third spring is arranged between the indicating connecting rod and the jump buckle, a cover is arranged at the top end of the jump buckle, an indicating lamp is arranged on the cover, so that the circuit breaker can clearly know the working state of the circuit breaker when in work.

Description

Indicating device for opening and closing small circuit breaker

Technical Field

The utility model relates to a circuit breaker divides, closes indicating device technical field, in particular to miniature circuit breaker divides, closes indicating device.

Background

The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time. The circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to the application range, the high-voltage and low-voltage boundary lines are relatively vague, and the circuit breakers above 3kV are generally called high-voltage electric appliances.

The circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, and automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur, and the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-under-heat relay and the like. Furthermore, no parts need to be changed after breaking the fault current. At present, it has been widely used.

Distribution of electricity is an extremely important link in the generation, transmission and use of electricity. The distribution system comprises a transformer and various high-low voltage electrical equipment, and the low-voltage circuit breaker is an electrical appliance with a large using amount.

The indicating device for the circuit breaker opening and closing in the prior art is poor in indicating effect, so that the working state of the circuit breaker equipment cannot be known clearly when the circuit breaker equipment is used.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a miniature circuit breaker divides, closes indicating device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a miniature circuit breaker opening and closing indicating device comprises a base, wherein an arc extinguish chamber is arranged at the bottom of the center in the base, an arc isolating plate is arranged on the left side of the arc extinguish chamber, a wire clamp is arranged at the upper left corner of the arc isolating plate, an adjusting screw is arranged at the upper right corner of the wire clamp, a contact is arranged on the right side of the arc extinguish chamber, an electromagnetic device is arranged at the top end of the arc extinguish chamber, a magnetic conductive sheet is arranged on the left side of the electromagnetic device, a moving contact is arranged on the right side of the electromagnetic device, a lock catch is arranged above the electromagnetic device, a first main shaft is arranged at the lower left corner of the lock catch, a second main shaft is arranged at the position, which is slightly higher than the right side, of the upper side of the first main shaft, a first spring is arranged on the second main shaft, a handle is arranged on the second main shaft, a second spring is arranged in the handle, a third main shaft is arranged at the position, which is slightly lower right side, and a jump buckle is arranged on the third main shaft, an indicating connecting rod is arranged on the right side of the third main shaft, a third spring is arranged between the indicating connecting rod and the jump buckle, a cover is arranged at the top end of the jump buckle, and an indicating lamp is arranged on the cover.

Furthermore, the indicator light is provided with two colors, namely red and green, wherein the green is in a brake-off state; and red is in a closing state.

Further, the base is integrally formed and made of plastic.

Furthermore, the moving contact is movably connected with the electromagnetic device.

Furthermore, the first main shaft, the second main shaft and the third main shaft are fixedly connected with the base.

Further, the handle is rotatably connected with the second main shaft.

Furthermore, the jump buckle is rotatably connected with the third main shaft.

Compared with the prior art, the beneficial effects of the utility model are that: when the utility model is used, the handle opening and closing operation is flexible, the lock catch is stirred from the observation hole when in the connection position, so that the breaker is disconnected, then the handle is slowly released to the disconnection position, and the jump buckle is reliably re-buckled; the opening position color displays the opening and closing state: when the brake is in the opening state, the window displays green; when the breaker is in a closing state, the window displays red, so that the breaker can clearly know the working state when working.

Drawings

Fig. 1 is an internal view of a minute circuit breaker opening/closing indicating device of the present invention;

fig. 2 is a top view of the indication device for opening and closing the miniature circuit breaker.

The reference numerals are explained below:

in the figure: 1. an arc barrier; 2. an arc extinguishing chamber; 3. a base; 4. a wire clamp; 5. a magnetic conductive sheet; 6. an adjusting screw; 7. an electromagnetic device; 8. a first main shaft; 9. locking; 10. a first spring; 11. a second spring; 12. a second main shaft; 13. a handle; 14. an indication link; 15. jumping and buckling; 16. a third spring; 17. a contact; 18. a cover; 19. a moving contact; 20. a third main shaft; 21. and an indicator light.

Detailed Description

The technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-2, the present invention provides a technical solution:

a miniature circuit breaker opening and closing indicating device comprises a base 3, an arc extinguish chamber 2 is arranged at the bottom of the center of the interior of the base 3, an arc isolating plate 1 is arranged on the left side of the arc extinguish chamber 2, a wire clamp 4 is arranged on the upper left corner of the arc isolating plate 1, an adjusting screw 6 is arranged on the upper right corner of the wire clamp 4, a contact 17 is arranged on the right side of the arc extinguish chamber 2, an electromagnetic device 7 is arranged at the top end of the arc extinguish chamber 2, a magnetic conductive sheet 5 is arranged on the left side of the electromagnetic device 7, a movable contact 19 is arranged on the right side of the electromagnetic device 7, a lock catch 9 is arranged above the electromagnetic device 7, a first main shaft 8 is arranged at the lower left corner of the lock catch 9, a second main shaft 12 is arranged at the right side of the upper portion of the first main shaft 8, a first spring 10 is arranged on the second main shaft 12, a handle 13 is arranged on the second main shaft 12, a second spring 11 is arranged inside the handle 13, a third main shaft 20 is arranged at the lower part of the right side of the second main shaft 12, a jump buckle 15 is arranged on the third main shaft 20, an indicating connecting rod 14 is arranged on the right side of the third main shaft 20, a third spring 16 is arranged between the indicating connecting rod 14 and the jump buckle 15, a cover 18 is arranged at the top end of the jump buckle 15, and an indicating lamp 21 is arranged on the cover 18.

In order to further improve the use function of the opening and closing indicating device of the miniature circuit breaker, the indicating lamp 21 is provided with two colors, namely red and green, wherein the green is in an opening state; and red is in a closing state.

In order to further improve the use function of the indication device for opening and closing the miniature circuit breaker, the base 3 is integrally formed and is made of plastic.

In order to further improve the use function of the opening and closing indicating device of the miniature circuit breaker, the movable contact 19 is movably connected with the electromagnetic device 7.

In order to further improve the use function of the indication device for opening and closing the miniature circuit breaker, the first main shaft 8, the second main shaft 12 and the third main shaft 20 are fixedly connected with the base 3.

In order to further improve the use function of the opening and closing indicating device of the miniature circuit breaker, the handle 13 is rotatably connected with the second main shaft 12.

In order to further improve the use function of the indication device for opening and closing the miniature circuit breaker, the jump buckle 15 is rotatably connected with the third main shaft 20.

The operation principle is as follows: when the utility model is used, the handle opening and closing operation is flexible, the lock catch is stirred from the observation hole when in the connection position, so that the breaker is disconnected, then the handle is slowly released to the disconnection position, and the jump buckle is reliably re-buckled; the opening position color displays the opening and closing state: when the brake is in the opening state, the window displays green; when the breaker is in a closing state, the window displays red, so that the breaker can clearly know the working state when working.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a miniature circuit breaker divides, closes indicating device, includes base (3), its characterized in that: an arc extinguish chamber (2) is arranged at the bottom of the center of the interior of the base (3), an arc isolating plate (1) is arranged on the left side of the arc extinguish chamber (2), a wire clamp (4) is arranged at the upper left corner of the arc isolating plate (1), an adjusting screw (6) is arranged at the upper right corner of the wire clamp (4), a contact (17) is arranged on the right side of the arc extinguish chamber (2), an electromagnetic device (7) is arranged at the top end of the arc extinguish chamber (2), a magnetic conductive sheet (5) is arranged on the left side of the electromagnetic device (7), a moving contact (19) is arranged on the right side of the electromagnetic device (7), a lock catch (9) is arranged above the electromagnetic device (7), a first main shaft (8) is arranged at the lower left corner of the lock catch (9), a second main shaft (12) is arranged on the right side of the upper portion of the first main shaft (8), and a first spring (10) is arranged on the second main shaft (12), be equipped with handle (13) on second main shaft (12), handle (13) inside is equipped with second spring (11), the right side of second main shaft (12) is equipped with third main shaft (20) to the lower side, be equipped with jump knot (15) on third main shaft (20), the right side of third main shaft (20) is equipped with indication connecting rod (14), be equipped with third spring (16) between indication connecting rod (14) and jump knot (15), the top of jumping knot (15) is equipped with lid (18), be equipped with pilot lamp (21) on lid (18).

2. The indication device of claim 1, wherein: the indicator light (21) is provided with two colors, namely red and green, wherein the green is in a brake-off state; and red is in a closing state.

3. The indication device of claim 1, wherein: the base (3) is integrally formed and is made of plastic.

4. The indication device of claim 1, wherein: the moving contact (19) is movably connected with the electromagnetic device (7).

5. The indication device of claim 1, wherein: the first main shaft (8), the second main shaft (12) and the third main shaft (20) are fixedly connected with the base (3).

6. The indication device of claim 1, wherein: the handle (13) is rotatably connected with the second main shaft (12).

7. The indication device of claim 1, wherein: the jump buckle (15) is rotatably connected with the third main shaft (20).