CN212230370U

CN212230370U - A/D small circuit breaker

Info

Publication number: CN212230370U
Application number: CN202021232594.6U
Authority: CN
Inventors: 马华良
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2020-12-25
Anticipated expiration: 2030-06-30

Abstract

The utility model discloses a small-size circuit breaker of modulization, it includes: the shell is provided with a main brake switch; the wire inlet end and the wire outlet end are arranged above the shell and are provided with a zero line interface and a live line interface; set up the shell installation department at the casing rear, shell installation department includes: the upper part of the installation table board is provided with a guide groove, the middle part of the installation table board is provided with a limit inserting tongue, and installation caulking grooves are arranged above and below the installation table board; and the quick clamping seat is clamped with the shell. The utility model discloses a set up inlet wire end and leading-out terminal in the top of casing, the little female row of cooperation miniature circuit breaker busbar wiring can the direct mount use, reduces the risk that the electrical accident takes place, sets up direction recess, installation caulking groove and spacing plug tongue simultaneously on the casing to and with the swift cassette of casing complex, great improvement the efficiency of circuit breaker installation.

Description

A/D small circuit breaker

Technical Field

The utility model belongs to the technical field of the circuit breaker, specifically speaking relates to a modulus miniature circuit breaker.

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 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. The existing modular miniature circuit breaker is in a PZ30 box, a jumper wire needs to be automatically connected between a main circuit breaker and a breaker from bottom to top, an electric worker needs to use a cable as the jumper wire, and in the process, the occurrence of electric fault accidents caused by irregular processes is easy to occur. Moreover, most of the existing circuit breakers are time-consuming to install, and inconvenience is brought to the construction process, so that the circuit breaker which can be installed in an upward-going and upward-going mode and can be installed quickly is needed to be provided.

SUMMERY OF THE UTILITY MODEL

In view of this, the technical problem that this application will solve provides a miniaturized circuit breaker of modulization, through set up inlet wire end and outlet terminal in the top of casing, cooperates the small female row of miniature circuit breaker busbar wiring, can the direct mount use, reduces the risk that the electrical accident takes place, sets up direction recess, installation caulking groove and spacing plug tongue simultaneously on the casing to and with the swift cassette of casing complex, great improvement the efficiency of circuit breaker installation.

In order to solve the above technical problem, the present application discloses a miniaturized circuit breaker of modulization, it includes: the shell is provided with a main brake switch; the wire inlet end and the wire outlet end are arranged above the shell and are provided with a zero line interface and a live line interface; set up the shell installation department at the casing rear, shell installation department includes: the upper part of the installation table board is provided with a guide groove, the middle part of the installation table board is provided with a limit inserting tongue, and installation caulking grooves are arranged above and below the installation table board; with the swift cassette of casing block, swift cassette is equipped with: the installation groove comprises a guide convex edge, a cassette installation part and a limit embedded groove, wherein the position of the guide convex edge corresponds to the guide groove, the position of the cassette installation part corresponds to the installation table top, the position of the limit embedded groove corresponds to the limit insertion tongue, the cassette installation part is provided with a bent installation card, the guide convex edge is embedded in the guide groove, the installation card is clamped in the installation embedded groove, and the limit insertion tongue is inserted in the limit embedded groove.

According to the utility model discloses an embodiment, wherein be equipped with reset button on the above-mentioned casing.

According to the utility model discloses an embodiment wherein is equipped with the failure detection button on the above-mentioned casing.

According to the utility model discloses an embodiment, wherein the quantity of above-mentioned cassette installation department sets up to 2 groups, symmetry of each other.

According to an embodiment of the present invention, the material of the quick clamping seat is stainless steel.

According to the utility model relates to an embodiment, wherein above-mentioned swift cassette is fixed on the wall body.

Compared with the prior art, the utility model discloses can obtain including following technological effect:

the line inlet end and the line outlet end are arranged above the shell and are matched with a small busbar of a busbar wiring of the miniature circuit breaker, the miniature circuit breaker can be directly installed and used, the risk of electrical accidents is reduced, meanwhile, the shell is provided with the guide groove, the installation caulking groove and the limiting insertion tongue, and the shell is matched with the quick clamping seat, so that the efficiency of circuit breaker installation is greatly improved.

Of course, it is not necessary for any product to achieve all of the above-described technical effects simultaneously.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is a schematic diagram of an modular miniature circuit breaker according to an embodiment of the present invention;

fig. 2 is a side sectional view of a modular miniature circuit breaker according to an embodiment of the present invention.

Reference numerals

The structure comprises a shell 10, a main brake switch 11, an incoming line end 20, an outgoing line end 21, a zero line interface 30, a live line interface 31, a shell mounting part 40, a guide groove 41, a mounting table surface 42, a limiting insertion tongue 43, a mounting caulking groove 44, a quick clamping seat 50, a guide convex rib 51, a clamping seat mounting part 52, a limiting caulking groove 53, a mounting clamping piece 54, a reset button 60 and a failure detection button 70.

Detailed Description

The following detailed description will be made with reference to the accompanying drawings and examples, so that how to implement the technical means of the present invention to solve the technical problems and achieve the technical effects can be fully understood and implemented.

Referring to fig. 1 and fig. 2, fig. 1 is a schematic diagram of an modular miniature circuit breaker according to an embodiment of the present invention, and fig. 2 is a side sectional view of the modular miniature circuit breaker according to an embodiment of the present invention.

As shown, a modular miniature circuit breaker, comprising: a shell 10, wherein a main brake switch 11 is arranged on the shell 10; the incoming line end 20 and the outgoing line end 21 are arranged above the shell 10, and both the incoming line end 20 and the outgoing line end 21 are provided with a zero line interface 30 and a live line interface 31; a housing mount 40 provided at the rear of the housing 10, the housing mount 40 including: the upper guide groove 41, the middle mounting table surface 42 and the lower limit inserting tongue 43, and the mounting caulking grooves 44 are arranged above and below the mounting table surface 42; with swift cassette 50 of casing 10 block, swift cassette 50 is equipped with: the mounting structure comprises a guide rib 51 corresponding to the guide groove 41 in position, a clamping seat mounting part 52 corresponding to the mounting table board 42 in position, and a limiting embedded groove 53 corresponding to the limiting insertion tongue 43 in position, wherein a bent mounting clamping piece 54 is arranged on the clamping seat mounting part 52, the guide rib 51 is embedded in the guide groove 41, the mounting clamping piece 54 is embedded in the mounting embedded groove 44, and the limiting insertion tongue 43 is inserted in the limiting embedded groove 53.

In one embodiment of the present invention, the housing 10 is provided with a main brake switch 11, a reset button 60, and a failure detection button 70. The main gate switch 11 controls the on and off of the breaker. When the circuit breaker fails and trips, the reset button 60 pops up, the circuit breaker cannot be switched on, and the circuit breaker can be closed only by pressing the reset button 60 after the fault is removed. Pressing the failure detection button 70 can check whether the breaker can complete leakage protection and whether the electronic components fail, and also has the function of removing the oxide of the main contact regularly, and the oxide on the contact can be eliminated by the relative sliding of the main contact of the breaker in the switching process, so that the conductive capacity is improved. An incoming line end 20 and an outgoing line end 21 are arranged above the shell 10, and both the incoming line end 20 and the outgoing line end 21 are provided with a zero line interface 30 and a live line interface 31. Set up inlet wire end 20 and outlet wire end 21 in the top of circuit breaker, the little female row of cooperation miniature circuit breaker busbar wiring can the direct mount use, avoids electrical personnel to do the technology of jumper wire with the cable, reduces the production of the electrical fault accident that causes because of the nonstandard technology at this kind of in-process, effectively reduces the risk that electrical accident takes place.

Further, a housing mounting portion 40 is provided behind the housing 10, and the housing mounting portion 40 includes: the upper guide groove 41, the middle mounting table surface 42 and the lower limit inserting tongue 43, and the mounting caulking grooves 44 are arranged above and below the mounting table surface 42.

The rear of the housing 10 is provided with a quick clamping seat 50 clamped with the housing, and the quick clamping seat 50 is fixed on a wall. Preferably, the quick clamping seat 50 is made of stainless steel and has certain toughness. The quick clamping seat 50 is provided with: a guiding convex rib 51 corresponding to the guiding groove 41, a cassette mounting part 52 corresponding to the mounting table 42, and a limiting caulking groove 53 corresponding to the limiting plug tongue 43. Wherein the number of the cassette mounting parts 52 is 2 groups, which are symmetrical to each other, and the cassette mounting parts 52 are provided with bent mounting clamping pieces 54. When the quick clamping seat 50 is buckled with the shell 10, the guiding convex ribs 51 are embedded in the guiding grooves 41, the installation clamping pieces 54 are clamped in the installation embedding grooves 44, and the limiting inserting tongues 43 are inserted in the limiting embedding grooves 53.

When the breaker needs to be installed on the quick card seat 50, the limiting insertion tongue 43 is firstly inserted into the limiting embedded groove 53, the installation clamping piece 54 is clamped with the installation embedded groove 44, and the bent installation clamping piece 54 has elasticity and can be stopped and abutted in the installation embedded groove 44, so that the breaker is stably installed. Meanwhile, the guiding convex ribs 51 are embedded in the guiding grooves 41 to play a guiding role, and the installation is convenient. The circuit breaker of this structure installs swiftly conveniently, can improve the installation effectiveness of circuit breaker widely.

The foregoing description shows and describes several preferred embodiments of the present application, but as aforementioned, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the application as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the application, which is to be protected by the claims appended hereto.

Claims

1. A modular miniature circuit breaker, comprising:

the shell is provided with a main brake switch;

the wire inlet end and the wire outlet end are arranged above the shell and are provided with a zero line interface and a live line interface;

set up the casing installation department at casing rear, casing installation department includes: the mounting structure comprises a guide groove at the upper part, a mounting table board at the middle part and a limiting inserting tongue at the lower part, wherein mounting caulking grooves are arranged above and below the mounting table board;

with the swift cassette of casing block, swift cassette is equipped with: the position with direction bead that the direction recess corresponds, the position with the cassette installation department that the installation table face corresponds, and the position with spacing caulking groove that spacing inserted tongue corresponds, the cassette installation department is equipped with the installation card of buckling, the direction bead inlays to be established in the direction recess, the installation card is established in the installation caulking groove, spacing inserted tongue is inserted and is established in the spacing caulking groove.

2. The modular miniature circuit breaker of claim 1 wherein said housing has a reset button disposed thereon.

3. The modular miniature circuit breaker of claim 1 wherein said housing has a failure detection button.

4. The modular miniature circuit breaker of claim 1, wherein said cartridge mounting portions are provided in 2 groups in number, being symmetrical to each other.

5. The modular miniature circuit breaker of claim 1, wherein said shortcut card holder is made of stainless steel.

6. The modular miniature circuit breaker of claim 1, wherein said shortcut card holder is fixed to a wall.