CN211016954U

CN211016954U - Multi-pole leakage circuit breaker

Info

Publication number: CN211016954U
Application number: CN202020037259.4U
Authority: CN
Inventors: 周维峰; 林凯; 胡广召
Original assignee: WENZHOU AOELEC ELECTRICAL CO Ltd
Current assignee: WENZHOU AOELEC ELECTRICAL CO Ltd
Priority date: 2020-01-08
Filing date: 2020-01-08
Publication date: 2020-07-14
Anticipated expiration: 2030-01-08

Abstract

The utility model relates to a multipolar electric leakage circuit breaker, including three group's circuit breaker units that set up side by side in proper order, the circuit breaker unit includes the casing, tripping device, live wire inlet terminal and live wire leading-out terminal, the casing one side of three group's circuit breaker units switches on in proper order and forms the breach, the breach surface is provided with three group's mounting brackets side by side, each mounting bracket both sides all are equipped with the notch, also be equipped with the notch on two relative inside walls of breach, two adjacent notch cooperation form the mounting groove, the built-in zero line binding post that is equipped with in a set of mounting groove in the outside, all the other three group's mounting grooves supply live wire inlet terminal to install, be equipped with the baffle that separates into two holding chambeies with it in the breach. The multi-pole leakage circuit breaker of the utility model has reasonable space layout, and is convenient for installing the leakage release, the two leakage circuit boards and the magnetic ring; and the two circuit boards are insulated, so that short circuit and electric leakage are avoided.

Description

Multi-pole leakage circuit breaker

Technical Field

The utility model relates to a multipolar electric leakage circuit breaker.

Background

The earth leakage circuit breaker is used for indirect contact protection of people, can also be used for preventing fire hazard caused by ground fault current generated due to equipment insulation damage, can be used for distributing electric energy and protecting overload and short circuit of circuits and power supply equipment, and can also be used for infrequent switching of the circuits and infrequent starting of the motor. The existing residual current circuit breaker is unreasonable in internal structure setting, too large in size, easy to influence each other due to the fact that two circuit boards are installed closely, and capable of generating short circuit, electric leakage and other hazards.

Disclosure of Invention

The utility model aims at: in order to overcome the defects of the prior art, the utility model provides a safe and reliable, rational in infrastructure, simple to operate's multipolar earth leakage circuit breaker.

The technical scheme of the utility model: a multipole leakage circuit breaker comprises three groups of circuit breaker units which are arranged side by side in sequence, wherein each circuit breaker unit comprises a shell, a tripping mechanism, a live wire inlet terminal and a live wire outlet terminal, the tripping mechanism is arranged in the shell, the three groups of circuit breaker units are sequentially communicated to form a gap on one side of the shell, three groups of mounting frames are arranged on the outer surface of the gap side by side, notches are arranged on two sides of each mounting frame, notches are also arranged on two opposite side walls of the gap, two adjacent notches are matched to form mounting grooves, four groups of mounting grooves are arranged in the outermost group of mounting grooves, a zero line connecting terminal is arranged in each mounting groove, the rest three groups of mounting grooves are used for installing the live wire inlet terminal or the live wire outlet terminal, a partition plate is arranged in the shell of one circuit breaker unit, the gap is divided into a first accommodating cavity and a second, the first containing cavity is arranged close to a zero line wiring terminal, the first containing cavity is internally provided with an electric leakage release and a first electric leakage circuit board connected with the electric leakage release, the electric leakage release is connected with a release mechanism and can drive the release mechanism to work, and the second containing cavity is internally provided with a second electric leakage circuit board and a magnetic ring.

By adopting the technical scheme, the electric leakage circuit breaker provided by the utility model has the advantages that the installation structure of the internal parts is simple, the space layout is reasonable, and the electric leakage release, the first electric leakage circuit board, the second electric leakage circuit board and the magnetic ring are arranged in one group, and one side of the shell of the three groups of circuit breaker units is sequentially conducted to form a gap, so that the installation of the electric leakage release, the first electric leakage circuit board, the second electric leakage circuit board and the magnetic ring is convenient; and pass through the baffle at the breach and separate into two installation spaces, first electric leakage circuit board, second electric leakage circuit board are installed respectively in two installation spaces, realize the insulation to two circuit boards, avoid producing harm such as short circuit, electric leakage. The purpose of optimizing the assembly structure of the circuit breaker, reducing the assembly cost and reducing the size of the circuit breaker is achieved, meanwhile, the circuit breaker is convenient to rapidly detect the electric leakage condition, and the purpose of electric leakage protection is achieved.

The utility model discloses a further setting again: the upper surface and the rear surface opening of breach, the mounting bracket includes the support body of vertical setting and the lid of level setting, the rear end of lid is connected with the upper end of support body, and the lid shelters from the breach upper surface, and the support body shelters from the breach rear surface, the notch locate the left and right sides of support body.

Adopt above-mentioned further setting again, the simple structure of mounting bracket, its structural arrangement can maximize the installation space of part.

The utility model discloses a further setting again: the utility model discloses a support structure, including lid, support body, first clamp plate, second clamp plate, first clamp plate and second clamp plate, lid left side is equipped with first touch panel, and the support body left side is equipped with the second touch panel, and the lid right side is equipped with first clamp plate, and the support body right side is equipped with the second clamp plate, be equipped with first clamp plate and second clamp plate on the left side inner wall of breach, be equipped with first touch panel and second touch panel on the right side wall of breach, first clamp plate contradict on the upper surface of adjacent first touch panel, the second clamp plate contradicts on the rear surface of adjacent second touch panel, realizes the.

Adopt above-mentioned further setting again, through the cooperation of touch panel and clamp plate, realize the installation between two adjacent mounting brackets and the installation between two mounting brackets on outermost and the casing, the assembly structure of mounting bracket is simple.

The utility model discloses a still further set up: the front end of the cover body is provided with a derived plate, and when the mounting frame and the shell are positioned and mounted, the derived plate is abutted against the lower surface of the shell.

By adopting the above further arrangement, the installation frame can be positioned on a plurality of surfaces, and the connection structure is firmer.

Drawings

FIG. 1 is a block diagram of an embodiment of the present invention;

fig. 2 is a structural diagram of a second leakage circuit board according to an embodiment of the present invention, in which the direction indicated by the arrow a is forward and the direction indicated by the arrow b is upward; the direction indicated by arrow c is left;

fig. 3 is a structural diagram of one side of the first leakage circuit board in the embodiment of the present invention;

fig. 4 is a structural diagram of one side of the leakage release in the embodiment of the present invention;

FIG. 5 is a view of the structure of one side of the notch according to the embodiment of the present invention;

FIG. 6 is a block diagram of an embodiment of the present invention;

fig. 7 is a structural diagram of one side of a derived plate of a mounting frame according to an embodiment of the present invention.

Breaker unit 1, casing 11, tripping device 12, live wire incoming line terminal 13, live wire outgoing line terminal 14, breach 2, mounting bracket 3, notch 41, mounting groove 4, zero line binding post 5, baffle 6, first holding chamber 21, second holding chamber 22, electric leakage release 7, first electric leakage circuit board 8, second electric leakage circuit board 9, magnetic ring 10, support body 31, lid 32, first touch panel 321 that supports, second touch panel 311, first clamp plate 322, second clamp plate 312, derived plate 323.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all 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.

It should be noted that all the directional indications (such as up, down, front, and back … …) in the description of the present invention are only used to explain the relative position relationship between the components, the movement, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

As shown in fig. 1-7, the multi-pole leakage circuit breaker of the present invention comprises three sets of breaker units 1 arranged side by side in sequence, wherein each breaker unit 1 comprises a housing 11, a tripping mechanism 12, a live wire incoming wire terminal 13 and a live wire outgoing wire terminal 14, the tripping mechanism 12 is arranged between the live wire incoming wire terminal 13 and the live wire outgoing wire terminal 14, one side of the housing 11 of each breaker unit 1 is sequentially connected to form a notch 2, three sets of mounting frames 3 are arranged side by side on the outer surface of the notch 2, notches 41 are arranged on both sides of each mounting frame 3, notches 41 are also arranged on the two opposite side walls of the notch 2, two adjacent notches 41 are matched to form mounting grooves 4, the mounting grooves 4 have four sets, wherein a set of mounting grooves 4 at the outermost side are internally provided with zero wire terminals 5, and the other three sets of mounting grooves 4 are provided for the installation of the live wire incoming, wherein casing 11 of a circuit breaker unit 1 extends to breach 2 in has baffle 6, breach 2 separates into first holding chamber 21 and second holding chamber 22 through baffle 6, baffle 6 is insulating to be set up, first holding chamber 21 be close to zero line binding post 5 and set up, first holding intracavity 21 is built-in to be equipped with electric leakage release 7 and the first electric leakage circuit board 8 of being connected with electric leakage release 7, electric leakage release 7 is connected with tripping device 12 and can drives tripping device 12 work, second holding intracavity be equipped with electric leakage circuit board 9 and magnetic ring 10. It can be understood that three circuit breaker units 1 and zero line binding post 5, electric leakage release 7, first electric leakage circuit board 8, second electric leakage circuit board 9 and magnetic ring 10 constitute a complete circuit breaker, the during operation, first electric leakage circuit board 8 when detecting that faults such as electric leakage appear in the zero line, first electric leakage circuit board 8 control electric leakage release 7 for making the reaction, electric leakage release 7 drive tripping device 12 reaches and prevents that the circuit breaker from taking place overflowing or the electric leakage arouses phenomenons such as fire. The utility model provides a leakage circuit breaker, its inner part's mounting structure is simple, spatial layout is reasonable, leakage release 7, first leakage circuit board 8, second leakage circuit board 9 and magnetic ring 10 are equipped with one set can, through the shell 11 one side of three circuit breaker units 1 of group switch on in proper order and form breach 2, thereby be convenient for realize leakage release 8, first leakage circuit board 8, second leakage circuit board 9 and magnetic ring 10 install; and two installation spaces are separated into at breach 2 through baffle 6, first electric leakage circuit board 8, second electric leakage circuit board 9 are installed respectively in two installation spaces, realize the insulation to two circuit boards, avoid producing harm such as short circuit, electric leakage. The purpose of optimizing the assembly structure of the circuit breaker, reducing the assembly cost and reducing the size of the circuit breaker is achieved, meanwhile, the circuit breaker is convenient to rapidly detect the electric leakage condition, and the purpose of electric leakage protection is achieved.

In the embodiment of the present invention, the upper surface and the rear surface of the notch 2 are open, the mounting frame 3 includes a vertically arranged frame body 31 and a horizontally arranged cover body 32, the rear end of the cover body 32 is connected with the upper end of the frame body 31, the cover body 32 covers the upper surface of the notch 2, the frame body 31 covers the rear surface of the notch 2, and the notches 41 are disposed on the left and right sides of the frame body 31; a first touch plate 321 is arranged on the left side of the cover body 32, a second touch plate 311 is arranged on the left side of the frame body 31, a first pressing plate 322 is arranged on the right side of the cover body 32, a second pressing plate 312 is arranged on the right side of the frame body 31, a first pressing plate 322 and a second pressing plate 312 are arranged on the inner wall of the left side of the notch 2, a first touch plate 321 and a second touch plate 311 are arranged on the right side wall of the notch 2, the first pressing plate 322 abuts against the upper surface of the adjacent first touch plate 321, and the second pressing plate 312 abuts against the rear surface of the adjacent second touch plate 311, so that the mounting frame 3 and the shell 1 are positioned and mounted; the front end of the cover 32 is provided with a derivative plate 323, and when the mounting frame 3 is positioned and mounted with the casing 1, the derivative plate 323 abuts against the lower surface of the casing 1. The mounting frame 3 has a simple structure, and the vertically arranged frame body 31 and the horizontally arranged cover body 32 can maximize the mounting space of parts; and through the cooperation of touch panel and clamp plate, realize the installation between the 3 sides of adjacent two mounting brackets and the installation between two mounting brackets 3 and the casing 1 side on outermost, derived board 323 contradicts on casing 1 lower surface, realizes the location of mounting bracket 3 on a plurality of faces, and connection structure is more firm.

Claims

1. A multipole residual current circuit breaker is characterized by comprising three groups of breaker units which are arranged side by side in sequence, wherein each breaker unit comprises a shell, a tripping mechanism, a live wire inlet terminal and a live wire outlet terminal which are arranged in the shell, the tripping mechanism is arranged between the live wire inlet terminal and the live wire outlet terminal, one side of the shell of each breaker unit is sequentially communicated to form a notch, three groups of mounting frames are arranged on the outer surface of the notch side by side, notches are arranged on two sides of each mounting frame, notches are also arranged on two opposite side walls of the notch, two adjacent notches are matched to form mounting grooves, the mounting grooves are totally four groups, wherein a zero wire connecting terminal is arranged in one group of mounting grooves on the outermost side, the other three groups of mounting grooves are used for installing the live wire inlet terminal or the live wire outlet terminal, a partition plate extends into the notch inwards, and the notch is separated into a first, the first containing cavity is arranged close to a zero line wiring terminal, the first containing cavity is internally provided with an electric leakage release and a first electric leakage circuit board connected with the electric leakage release, the electric leakage release is connected with a release mechanism and can drive the release mechanism to work, and the second containing cavity is internally provided with a second electric leakage circuit board and a magnetic ring.

2. The multi-pole residual current circuit breaker according to claim 1, wherein the upper surface and the rear surface of the notch are open, the mounting frame comprises a vertically arranged frame body and a horizontally arranged cover body, the rear end of the cover body is connected with the upper end of the frame body, the cover body covers the upper surface of the notch, the frame body covers the rear surface of the notch, and the notches are formed in the left side and the right side of the frame body.

3. The multi-pole residual current circuit breaker according to claim 2, wherein a first abutting plate is arranged on the left side of the cover body, a second abutting plate is arranged on the left side of the frame body, a first pressing plate is arranged on the right side of the cover body, a second pressing plate is arranged on the right side of the frame body, a first pressing plate and a second pressing plate are arranged on the inner wall of the left side of the notch, a first abutting plate and a second abutting plate are arranged on the right side wall of the notch, the first pressing plate abuts against the upper surface of the adjacent first abutting plate, and the second pressing plate abuts against the rear surface of the adjacent second abutting plate, so that the installation of the installation frame and the shell is realized.

4. A multipole residual current circuit breaker according to claim 3, characterized in that said cover is provided at its front end with a derivative plate which, when the mounting frame is positioned with respect to the casing, abuts against the lower surface of the casing.