CN201266584Y

CN201266584Y - Creepage breaker

Info

Publication number: CN201266584Y
Application number: CNU2008201641737U
Authority: CN
Inventors: 程陆
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-09-09
Filing date: 2008-09-09
Publication date: 2009-07-01
Anticipated expiration: 2018-09-09

Abstract

The utility model relates to a circuit breaker, in particular to a leakage circuit breaker. The technical proposal of the utility model is as follows: the leakage circuit breaker comprises a framework, a circuit breaker part arranged in the framework and a leakage detecting part, the framework is provided with a control handle which controls the circuit breaker part and the leakage detecting part; the leakage detecting part comprises an electromagnet device which comprises an electromagnet, a coil arranged in the electromagnet and a moving iron core; the moving iron core is connected with a locking piece in a linkage way, the control handle of the leakage detecting part is an annular body, the middle of which is articulated with the framework, the periphery surface of the handle is provided with a press block, the locking part is provided with a connecting end, a locking end and an articulating end which are connected with the moving iron core, the locking piece is connected with the framework in an articulating way, a lock catch is arranged between the control handle and the locking piece, one end of the lock catch contacts with the locking end of the locking piece, and the other end is connected with the control handle by a connecting piece. By adopting the technical proposal, the utility model provides a leakage circuit breaker of simple structure and convenient operation.

Description

Residual current circuit breaker

Technical field

The utility model relates to a kind of circuit breaker, particularly a kind of residual current circuit breaker.

Background technology

Residual current circuit breaker mainly partly is made of framework and breaker portion and the detection of electrical leakage be located in the framework, the signal transmission power source of existing detection of electrical leakage part is an electromagnet apparatus, the transmission by iron core of the lock piece driving coupling of the iron core on the electromagnet apparatus and detection of electrical leakage part, snap close cooperates opening circuit when constituting circuit breaker and leaking electricity with joystick.

Existing joystick mostly adopt be inserted in vertically that on the framework and lower end and lock piece conflict by press button; press the direct and lock piece conflict in lower end of press button; for a long time practical back can be affected by conflict between press button and the lock piece or the flexibility ratio of separating; and cause can not be anxious the time to protecting after the circuit breaker electric leakage; and because lock piece need possess locking and the drive breaker portion opens circuit; so the structure more complicated of lock piece is not easy to produce.

Summary of the invention

At the deficiency that prior art exists, the utility model provides a kind of simple in structure, easy to operate residual current circuit breaker.

For achieving the above object, the utility model provides following technical scheme: a kind of residual current circuit breaker, include framework and be located at framework interior breaker portion and detection of electrical leakage part, framework is provided with the joystick of control breaker portion and detection of electrical leakage part, described detection of electrical leakage partly includes electromagnet apparatus, this electromagnet apparatus comprises electromagnet, be located at coil and movable core in the electromagnet, described movable core and lock piece are connected, the joystick of described detection of electrical leakage part is middle part and the hinged ring bodies of framework, its outer peripheral face is provided with briquetting, described lock piece is provided with the link with iron core, locking end and hinged end, lock piece is articulated and connected by hinged end and framework, be provided with snap close between described joystick and the lock piece, the locking end of this snap close one end and lock piece is conflicted, the other end is connected with joystick by connector.

Joystick of detection of electrical leakage part is middle part and the hinged ring bodies of framework in this, its outer peripheral face is provided with briquetting, described lock piece is provided with link, locking end and the hinged end with iron core, lock piece is articulated and connected by hinged end and framework, be provided with snap close between described joystick and the lock piece, this snap close one end is conflicted with the locking end of lock piece, the other end is connected with joystick by connector.Rear catch is set like this carries out locking with lock piece and cooperate, substituted joystick directly with being connected of lock piece, protected joystick, and lock piece is simple in structure, the working procedure that a plurality of parts just can be finished rolls into one, and is easy to process.

The utility model further is set to: described lock piece is for being inverted "L" shaped substantially, the link of lock piece and movable core is located at the upper end of lock piece, this link place is provided with two projections that are oppositely arranged, the centre of two projections is provided with the cavity of placing for movable core, described hinged end is located at the lower end of lock piece, this hinged end place is provided with the open-work that interts for jointed shaft, described locking end is the extension projection of being located between the lock piece top and bottom, this extension projection is the plane towards an end of joystick, the side on plane is provided with short slot, described snap close is rectangular substantially, its middle part is provided with cavity volume, be provided with spring in the cavity volume, snap close is provided with the snap close piece towards a lock end of not-go-end of lock piece, the lock plane of not-go-end of this snap close piece and lock piece conflict to constitute locking, the short slot that the snap close piece slides onto planar side constitutes the releasing of locking between snap close and the lock piece, connector between snap close and the joystick is the U-shaped connecting rod, the U-shaped connecting rod has two movable ends, one of them movable end is inserted on the joystick, another movable end is inserted in the cavity volume of snap close, and be to compress with spring and cooperate, described snap close is provided with formation U-shaped connecting rod and moves to the spacing guide vane end stop in corresponding position, and this guide vane end stop axially is located at the middle part of cavity volume along snap close.

Being provided with in this further given prominence to the simple in structure of lock piece, and the installation of lock piece makes the compact conformation in the circuit breaker, and flexible and convenient operation, can not cause malfunctioning because of using for a long time; The U-shaped connecting rod be set between snap close and the joystick be and can drive the joystick rotation smoothly when snap close is pressed down, be provided with on the snap close to move to the spacing guide vane end stop in corresponding position for the U-shaped connecting rod then be to be disengaged and to glide along with lock piece behind the locking always and cause being difficult for resetting in order to place snap close.

The utility model further is set to: also be provided with a connecting axle on the described lock piece, this connecting axle penetrates framework and is connected with breaker portion.

This setting is that linked circuit breaker partly opens circuit when making detection of electrical leakage partly find to leak electricity, thereby preventing that circuit from overloading is short-circuited.

The utility model further is set to: described framework is provided with sense switch, the working end of this sense switch is right against movable contact spring and the static contact upper end that is arranged in the framework, the unlatching of sense switch constitutes the conducting of movable contact spring and static contact, and the joystick of described detection of electrical leakage part and the joystick of breaker portion interconnect.

It is for staff after this residual current circuit breaker installation can conveniently test its creepage protection function that sense switch is set in this, and the joystick of the joystick of detection of electrical leakage part and breaker portion to interconnect equally also be that linked circuit breaker partly opens circuit when making detection of electrical leakage partly find to leak electricity.

Below in conjunction with accompanying drawing the utility model is further described:

Description of drawings

Fig. 1 is the stereogram of the utility model embodiment;

Fig. 2 is the stereogram of detection of electrical leakage part among the utility model embodiment;

Fig. 3 is the assembled state schematic diagram of joystick, snap close and lock piece among the utility model embodiment;

Fig. 4 is the stereogram of lock piece among the utility model embodiment;

Fig. 5 is the stereogram of snap close among the utility model embodiment;

Fig. 6 is the stereogram of U-shaped connecting rod among the utility model embodiment.

Embodiment

As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, a kind of residual current circuit breaker shown in Figure 6, include framework 1 and be located at breaker portion 2 and detection of electrical leakage part 3 in the framework 1, framework 1 is provided with the joystick of control breaker portion 2 and detection of electrical leakage part 3, described detection of electrical leakage part 3 includes electromagnet apparatus 31, this electromagnet apparatus 31 comprises electromagnet 311, be located at coil and movable core 312 in the electromagnet 311, described movable core 312 is connected with lock piece 4, the joystick 32 of described detection of electrical leakage part 3 is the hinged ring bodies of middle part and framework 1, its outer peripheral face is provided with briquetting 321, the operating state that back joystick 32 is set like this is rotary, but not push type; Described lock piece 4 is provided with link 41, locking end 42 and the hinged end 43 with movable core 312, lock piece 4 is articulated and connected by hinged end 43 and framework 1, be provided with jointed shaft 5 between the hinged end 43 of lock piece 4 and the framework 1, be provided with snap close 6 between described joystick 32 and the lock piece 4, these snap close 6 one ends are conflicted with the locking end 42 of lock piece 4, the other end is connected with joystick 32 by connector 7; By a snap close 6 will be added between joystick 32 and the lock piece 4, played the effect of protection joystick 32.

In the utility model embodiment, described lock piece 4 is for being inverted "L" shaped substantially, the link 41 of lock piece 4 and movable core 312 is located at the upper end of lock piece 4, these link 41 places are provided with two projections that are oppositely arranged 411, the centre of two projections 411 is provided with the cavity of placing for movable core 312 412, the working end of movable core 312 is located in the cavity 412, along with the swing of the flexible formation lock piece 4 of movable core 312 cooperates; The hinged end 43 of lock piece 4 is located at the lower end of lock piece 4, these hinged end 43 places are provided with the open-work 431 that interts for jointed shaft 5, described locking end 42 is for being located at the extension projection 421 between lock piece 4 top and bottom, this extension projection 421 is plane 422 towards an end of joystick 32, the side on plane 422 is provided with short slot 423, described snap close 6 cardinal principles are rectangular, its middle part is provided with cavity volume 61, be provided with spring 63 in the cavity volume 61, snap close 6 is provided with snap close piece 62 towards a lock end of not-go-end 42 of lock piece 4, conflict and constitute lockings in the lock plane 422 of not-go-end 42 of this snap close piece 62 and lock piece 4, the short slot 423 that snap close piece 62 slides onto plane 422 sides constitutes the releasing of locking between snap closes 6 and the lock piece 4, connector 7 between snap close 6 and the joystick 32 is the U-shaped connecting rod, the U-shaped connecting rod has two movable ends, one of them movable end is inserted on the joystick 32, another movable end is inserted in the cavity volume 61 of snap close 6, and be to compress with spring 63 and cooperate, described snap close 6 is provided with formation U-shaped connecting rod and moves to the spacing guide vane end stop in corresponding position 64, and this guide vane end stop 64 axially is located at the middle part of cavity volume 61 along snap close 6; When electric leakage takes place in inside, electromagnet apparatus 31 receives behind the signal that the movable core 312 on it just can inwardly shrink, movable core 312 can drive lock piece 4 swings when shrinking, the lower end of the snap close 6 that this moment and the locking end 42 of lock piece 4 are conflicted just can lose the power of compressing and to lower slider, here need to prove, the downforce of snap close 6 compresses spring 63 power in it from joystick 32, when the U-shaped connecting rod presses to guide vane end stop 64 places at snap close 6 cavity volumes 61 middle parts with joystick 32, snap close 6 just stops to press down, this moment, the snap close piece 64 of snap close 6 lower ends placed in the short slot 423 of lock piece 4 locking ends 42 planes 422 sides, also be provided with a connecting axle 44 on the described lock piece 4, this connecting axle 44 penetrates framework 1 and is connected with breaker portion 2, being provided with like this is that linked circuit breaker part 2 opens circuit when making detection of electrical leakage part 3 find electric leakage, thereby preventing that circuit from overloading is short-circuited.

In the utility model embodiment, described framework 1 is provided with sense switch 11, the working end of this sense switch 11 is right against movable contact spring 12 and static contact 13 upper ends that are arranged in the framework 1, the unlatching of sense switch 11 constitutes the conducting of movable contact spring 12 and static contact 13, it is can conveniently test its creepage protection function for staff after this residual current circuit breaker installation that sense switch 11 is set, sense switch herein also plays the effect that lock piece and snap close reset, the joystick 32 of described detection of electrical leakage part 3 interconnects with the joystick 21 of breaker portion 2; And the joystick 31 of the joystick 32 of detection of electrical leakage part 3 and breaker portion 2 to interconnect equally also be that linked circuit breaker part 2 opens circuit when making detection of electrical leakage part 3 find electric leakage.

Claims

1, a kind of residual current circuit breaker, include framework and be located at framework interior breaker portion and detection of electrical leakage part, framework is provided with the joystick of control breaker portion and detection of electrical leakage part, described detection of electrical leakage partly includes electromagnet apparatus, this electromagnet apparatus comprises electromagnet, be located at coil and movable core in the electromagnet, described movable core and lock piece are connected, it is characterized in that: the joystick of described detection of electrical leakage part is middle part and the hinged ring bodies of framework, its outer peripheral face is provided with briquetting, described lock piece is provided with the link with movable core, locking end and hinged end, lock piece is articulated and connected by hinged end and framework, be provided with snap close between described joystick and the lock piece, the locking end of this snap close one end and lock piece is conflicted, the other end is connected with joystick by connector.

2, residual current circuit breaker according to claim 1, it is characterized in that: described lock piece is for being inverted "L" shaped substantially, the link of lock piece and movable core is located at the upper end of lock piece, this link place is provided with two projections that are oppositely arranged, the centre of two projections is provided with the cavity of placing for movable core, described hinged end is located at the lower end of lock piece, this hinged end place is provided with the open-work that interts for jointed shaft, described locking end is the extension projection of being located between the lock piece top and bottom, this extension projection is the plane towards an end of joystick, the side on plane is provided with short slot, described snap close is rectangular substantially, its middle part is provided with cavity volume, be provided with spring in the cavity volume, snap close is provided with the snap close piece towards a lock end of not-go-end of lock piece, the lock plane of not-go-end of this snap close piece and lock piece conflict to constitute locking, the short slot that the snap close piece slides onto planar side constitutes the releasing of locking between snap close and the lock piece, connector between snap close and the joystick is the U-shaped connecting rod, the U-shaped connecting rod has two movable ends, one of them movable end is inserted on the joystick, another movable end is inserted in the cavity volume of snap close, and be to compress with spring and cooperate, described snap close is provided with formation U-shaped connecting rod and moves to the spacing guide vane end stop in corresponding position, and this guide vane end stop axially is located at the middle part of cavity volume along snap close.

3, residual current circuit breaker according to claim 2 is characterized in that: also be provided with a connecting axle on the described lock piece, this connecting axle penetrates framework and is connected with breaker portion.

4, residual current circuit breaker according to claim 1, it is characterized in that: described framework is provided with sense switch, the working end of this sense switch is right against movable contact spring and the static contact upper end that is arranged in the framework, the unlatching of sense switch constitutes the conducting of movable contact spring and static contact, and the joystick of described detection of electrical leakage part and the joystick of breaker portion interconnect.