CN216562972U

CN216562972U - Circuit breaker with leakage detection protection

Info

Publication number: CN216562972U
Application number: CN202123372173.0U
Authority: CN
Inventors: 危建辉; 罗丽
Original assignee: Shanghai Xile Automation Equipment Co ltd
Current assignee: Shanghai Xile Automation Equipment Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-05-17
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a circuit breaker with leakage detection protection, which comprises a shell, a circuit breaker main body and a fuse, wherein a second spring is installed on one side of the bottom end of the shell, a movable pin is arranged at the top end of the second spring, a bottom plate is arranged between the movable pin and the shell, two groups of first springs are arranged on one side of the interior of the shell, which is close to the bottom plate, the circuit breaker main body is arranged on one side of the first springs, which is far away from the bottom plate, a wire inlet hole is formed in the lower end of the interior of the shell, and the fuse is arranged on one side of the wire inlet hole, which is close to the second spring. According to the utility model, through the mutual cooperation of the breaker main body, the sleeve, the movable pin and the bottom plate, when the breaker main body is installed, only the upright post of the breaker main body is directly inserted into the sleeve, and meanwhile, due to the design of the expansion ring in the sleeve of the breaker main body, the installation of the breaker main body and the sleeve is more stable.

Description

Circuit breaker with leakage detection protection

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to a circuit breaker with electric leakage detection protection.

Background

The circuit breaker generally refers to a switching device capable of closing, carrying and breaking current under normal or abnormal loop conditions, is widely used, is applied to industrial, commercial, high-rise and civil houses and other places, and is used for the infrequent on-off and switching of lines, and the traditional circuit breaker can basically meet the use requirements of people, but still has certain problems, and the specific problems are as follows:

1. most of the traditional circuit breakers are not provided with an electric leakage protection mechanism, when the circuit breaker is subjected to electric leakage in the using process, a circuit is short-circuited, the formed electric spark even ignites circuits near the circuit breaker, and the potential safety hazard is large;

2. traditional circuit breaker has a lot of not enoughly in the aspect of using the installation and warning, and the change when the trouble takes place is comparatively troublesome, and does not have the suggestion of sound and light, brings the difficulty for maintenance personal's maintenance work.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a circuit breaker with leakage detection protection, which aims to solve the problems that the existing circuit breaker in the background art has no leakage protection function, is difficult to maintain and replace and has no audible and visual prompt.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a circuit breaker with earth leakage detection protection, includes shell, circuit breaker main part and fuse, the second spring is installed to one side of shell bottom, and the top of second spring is provided with the activity round pin, be provided with the bottom plate between activity round pin and the shell, the inside one side of being close to the bottom plate of shell is provided with two sets of first springs, one side that the bottom plate was kept away from to first spring is provided with the circuit breaker main part, the entrance hole has been seted up to the inside lower extreme of shell, one side that the entrance hole is close to the second spring is provided with the fuse.

Preferably, bee calling organ is installed on the top of shell, and the through-hole has been seted up in the outside of bee calling organ, the pilot lamp is installed to the one side of wire hole is kept away from on the shell top, the output of fuse pass through the wire respectively with the input of bee calling organ and the input electric connection of pilot lamp.

Preferably, the inside upper and lower part that is close to first spring one side of shell all installs the sleeve, the stand that matches each other with the sleeve is all installed to one side that the circuit breaker main part is close to current sensor.

Preferably, a wire outlet hole is formed in one side, close to the bottom plate, of the top end of the shell, and a first wiring terminal is arranged inside the wire outlet hole.

Preferably, the outer side of the fuse at the bottom end of the shell is provided with a cover plate through a bolt.

Preferably, the inside in entrance hole is provided with second binding post, the input and the second binding post of fuse are connected, and the output and the circuit breaker main part of fuse are connected.

Preferably, the upper part of the bottom plate is installed with the wall surface through a positioning bolt.

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

1. according to the utility model, through the mutual cooperation of the breaker main body, the fuse and the current sensor, when the breaker main body leaks electricity in the using process, the current sensor detects a current signal, and then the fuse is controlled through short circuit to realize the breaking of the breaker main body, so that the circuit of the breaker main body is broken, and the protection of the using state of the breaker main body is realized;

2. according to the utility model, through the mutual matching use of the breaker main body, the sleeve, the movable pin and the bottom plate, when the breaker main body is installed, only the upright post of the breaker main body is required to be directly inserted into the sleeve, meanwhile, due to the design of the expansion ring in the sleeve of the breaker main body, the installation of the breaker main body and the sleeve can be more stable, and meanwhile, the matching of the movable pin and the bottom plate can enable the whole maintenance and disassembly of the device to be more convenient;

3. according to the utility model, the buzzer and the indicator lamp are arranged, when the breaker main body is in leakage circuit break, the buzzer and the indicator lamp are connected and controlled to be turned on by the current sensor, so that a worker can be reminded of the device failure, timely maintenance and replacement can be carried out, and the circuit breaker is more efficient and convenient.

Drawings

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

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

in the figure: 1. a housing; 2. a wire outlet hole; 3. a first connection terminal; 4. a through hole; 5. a buzzer; 6. an indicator light; 7. a circuit breaker main body; 8. a second connection terminal; 9. a wire inlet hole; 10. a cover plate; 11. a fuse; 12. a first spring; 13. a sleeve; 14. a second spring; 15. a movable pin; 16. a current sensor; 17. a base plate; 18. and (4) positioning the bolt.

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 implementations are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, an embodiment of the present invention is shown: the utility model provides a circuit breaker with earth leakage detection protection, includes shell 1, circuit breaker main part 7 and fuse 11, second spring 14 is installed to one side of 1 bottom of shell, and the top of second spring 14 is provided with movable round pin 15, be provided with bottom plate 17 between movable round pin 15 and the shell 1, one side that 1 inside of shell is close to bottom plate 17 is provided with two sets of first spring 12, one side that bottom plate 17 was kept away from to first spring 12 is provided with circuit breaker main part 7, entrance hole 9 has been seted up to the inside lower extreme of shell, one side that entrance hole 9 is close to second spring 14 is provided with fuse 11.

As a preferable embodiment of the present embodiment: buzzer 5 is installed on the top of shell 1, and buzzer 5's the outside has seted up through-hole 4, indicator 6 is installed to one side of wire hole 2 is kept away from on 1 top of shell, fuse 11's output pass through the wire respectively with buzzer 5's input and indicator 6's input electric connection, through being provided with buzzer 5 and indicator 6, can warn the site work personnel, increase the security that the device used.

As a preferable embodiment of the present embodiment: the inside upper and lower portion that is close to first spring 12 one side of shell 1 all installs sleeve 13, the stand that matches each other with sleeve 13 is all installed to one side that circuit breaker main part 7 is close to current sensor 16, and is more firm when can making circuit breaker main part 7 reinstall through the inside expansion ring of sleeve 13 and the outside expansion ring of stand, and it is convenient to install, and the practicality of device is strengthened.

As a preferable embodiment of the present embodiment: the wire hole 2 has been seted up to one side that the 1 top of shell is close to bottom plate 17, and the inside of wire hole 2 is provided with first binding post 3, can make the wiring of device more convenient, and the practicality is better.

As a preferable embodiment of the present embodiment: the outside of 1 bottom fuse 11 of shell is provided with apron 10 through the bolt, through being provided with apron 10, can realize the change and the maintenance to fuse 11, increases the life of device, and the economic nature is better.

As a preferable embodiment of the present embodiment: the inside in entrance hole 9 is provided with second binding post 8, the input and the second binding post 8 of fuse 11 are connected, and the output and the circuit breaker main part 7 of fuse 11 are connected.

As a preferable embodiment of the present embodiment: the upper part of the bottom plate 17 is arranged on the wall surface through the positioning bolt 18, so that the installation is convenient, and the application range is wide.

Embodiment 1, as shown in fig. 1 and 3, when the device is used, the movable pin 15 can be pressed downwards, and then the housing 1 is buckled on the outer side of the bottom plate 17, so that the device can be quickly installed and replaced, and meanwhile, the breaker main body 7 can be quickly installed and removed through the arrangement of the breaker main body 7 and the sleeve 13, so that the actual using effect of the device is stronger;

embodiment 2, as shown in fig. 1, when the device is used, through the use of the first spring 12, when the breaker main body 7 is remounted, the detection surface of the current sensor 16 can be more attached to the surface of the breaker main body 7, the detection effect of the current sensor 16 is increased, and the actual use effect of the device is better

The working principle is as follows: when the device is used, firstly, the bottom plate 17 is arranged at a position to be used through the positioning bolt 18, the shell 1 is taken up and the movable pin 15 is pressed downwards, at the moment, the second spring 14 contracts, the upper part of the shell 1 is clamped into the outer side of the bottom plate 17, the movable pin 15 is released, at the moment, the second spring 14 recovers under the self elastic action and jacks up the movable pin 15, so that the bottom plate 17 is clamped between the movable pin 15 and the shell 1, the upright post alignment sleeve 13 at one side of the breaker main body 7 is inserted into the shell 1, at the moment, the breaker main body 7 can be firmly arranged in the shell 1 due to the expansion ring between the inner part of the sleeve 13 and the outer part of the upright post, at the same time, the outer side of the breaker main body 7 is tightly attached to the detection side of the current sensor 16, the detection effectiveness is ensured, the external wiring is connected through the first wiring terminal 3 and is connected with the breaker main body 7, the external wiring is connected through the second wiring terminal 8 and is connected with the input end of the fuse 11, completing the wiring of the device;

when the device leaks electricity by using the breaker main body 7, the current sensor 16 detects an electric leakage signal and controls the short circuit of the connecting fuse 11 to stop the circuit of the device, and simultaneously controls the buzzer 5 to send a fault alarm and flicker the indicator lamp 6 to remind maintenance personnel to observe a fault place so as to achieve quick maintenance, after the maintenance is finished, the fuse 11 can be replaced by opening the cover plate 10, and the device has strong practicability, which is the whole working principle of the utility model.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 circuit breaker with earth leakage detection protection, includes shell (1), circuit breaker main part (7) and fuse (11), its characterized in that: second spring (14) are installed to one side of shell (1) bottom, and the top of second spring (14) is provided with movable round pin (15), be provided with between movable round pin (15) and shell (1) bottom plate (17), the inside one side that is close to bottom plate (17) of shell (1) is provided with two sets of first spring (12), one side that bottom plate (17) were kept away from in first spring (12) is provided with circuit breaker main part (7), entrance hole (9) have been seted up to the inside lower extreme of shell (1), one side that entrance hole (9) are close to second spring (14) is provided with fuse (11).

2. A circuit breaker with earth leakage detection protection as claimed in claim 1, wherein: buzzer (5) are installed on the top of shell (1), and through-hole (4) have been seted up in the outside of buzzer (5), pilot lamp (6) are installed to one side that wire hole (2) were kept away from on shell (1) top, the output of fuse (11) pass through the wire respectively with the input of buzzer (5) and the input electric connection of pilot lamp (6).

3. A circuit breaker with earth leakage detection protection as claimed in claim 1, wherein: the utility model discloses a circuit breaker, including shell (1), the inside upper and lower part that is close to first spring (12) one side of shell (1) all installs sleeve (13), the stand that matches each other with sleeve (13) is all installed to one side that circuit breaker main part (7) are close to current sensor (16).

4. A circuit breaker with earth leakage detection protection as claimed in claim 1, wherein: a wire outlet hole (2) is formed in one side, close to the bottom plate (17), of the top end of the shell (1), and a first wiring terminal (3) is arranged inside the wire outlet hole (2).

5. A circuit breaker with earth leakage detection protection as claimed in claim 1, wherein: the outer side of the fuse (11) at the bottom end of the shell (1) is provided with a cover plate (10) through a bolt.

6. A circuit breaker with earth leakage detection protection as claimed in claim 1, wherein: the inside in entrance hole (9) is provided with second binding post (8), the input and the second binding post (8) of fuse (11) are connected, and the output and the circuit breaker main part (7) of fuse (11) are connected.

7. A circuit breaker with earth leakage detection protection as claimed in claim 1, wherein: the upper part of the bottom plate (17) is installed with the wall surface through a positioning bolt (18).