CN107993897A

CN107993897A - Earth leakage circuit breaker

Info

Publication number: CN107993897A
Application number: CN201711317851.9A
Authority: CN
Inventors: 张慎虎; 葛伟骏; 潘东强
Original assignee: Zhejiang Chint Electrics Co Ltd; Shanghai Dianke Electrical Technology Co Ltd
Current assignee: Zhejiang Chint Electrics Co Ltd; Shanghai Dianke Electrical Technology Co Ltd
Priority date: 2017-12-12
Filing date: 2017-12-12
Publication date: 2018-05-04
Anticipated expiration: 2037-12-12
Also published as: CN107993897B

Abstract

A kind of earth leakage circuit breaker,Including housing,Contact mechanism is equipped with the housing,The operating mechanism being connected with contact mechanism,The electrical leakage tripping device being connected with operating mechanism,And arc-chutes and the striking passage that is connected between arc-chutes and contact mechanism,Operating mechanism can swing with the moving contact of dynamic contact mechanism and be contacted with static contact,Electrical leakage tripping device is connected with operating mechanism,Electrical leakage tripping device being capable of the unlock of trigger action mechanism in line electrical leakage,Electrical leakage tripping device includes circuit board module and the mutual inductor and leakage tripping device that are connected with circuit board module,Circuit board module is arranged on the side of striking passage along thickness of shell direction,By the side that the circuit board module of electrical leakage tripping device is arranged on to striking passage along thickness of shell direction,On the premise of not influencing to reduce product performance,Effectively reduce earth leakage circuit breaker volume.

Description

Earth leakage circuit breaker

Technical field

The present invention relates to Low Voltage Electrical Apparatus, more particularly to a kind of earth leakage circuit breaker.

Background technology

Earth leakage circuit breaker is widely used in the fields such as industry, business, residential houses, when circuit occur electric leakage, overload, When short-circuit, earth leakage circuit breaker can be set in rapid disengagement failure power supply, the protection person and electricity consumption within the defined extremely short time Standby safety.It is special but existing earth leakage circuit breaker, not only reliability and security are poor, but also loosely organized, bulky It is not that building trade specification earth leakage circuit breaker forces substitution MCB to ensure electricity consumption after English market primarily determines that 2019 Safety, to continue to keep the status of existing English market, on the premise of product performance is not reduced, there is an urgent need for develop length Shorter 18mm earth leakage circuit breakers, to meet the development trend of market miniaturization.

The content of the invention

The defects of it is an object of the invention to overcome the prior art, there is provided a kind of electric leakage simple in structure, that reliability is high is protected Protect breaker.

To achieve the above object, present invention employs following technical solution：

A kind of earth leakage circuit breaker, including housing, are connected equipped with contact mechanism 600, with contact mechanism 600 in the housing Operating mechanism 400, the electrical leakage tripping device 210 that is connected with operating mechanism 400, and arc-chutes 520 and be connected to arc-chutes Striking passage 510 between 520 and contact mechanism 600, the moving contact 610 that operating mechanism 400 can be with dynamic contact mechanism 600 are put Dynamic to be contacted with static contact 620, electrical leakage tripping device 210 is connected with operating mechanism 400, and electrical leakage tripping device 210 is in line electrical leakage When can trigger action mechanism 400 unlock, electrical leakage tripping device 210 include circuit board module 213 and with circuit board module 213 Connected mutual inductor 211 and leakage tripping device 212, circuit board module 213 are arranged on striking passage 510 along thickness of shell direction Side.

Optionally, further include with operating mechanism 400 coordinate overlond trip mechanism 230, and with overlond trip mechanism 230 The L poles outlet terminal 720 of connection, overlond trip mechanism 230 is arranged on the right side of striking passage 510, in striking passage 510 and mistake Carry tripping mechanism 230 along the side in thickness of shell direction, the lower section of leakage tripping device 212, L poles outlet terminal 720 left-side Into the space for accommodating circuit board module 213.

Optionally, the arc-chutes 520 are arranged on the same side of striking passage 510 and circuit board module 213, arc-chutes Arc extinguishing grid pieces 521 are equipped with 520, the madial wall of the both sides and thickness of shell direction both sides of arc-chutes 520 offsets.

Optionally, the side of the arc extinguishing grid pieces 521 is equipped with the arc extinguishing notch 528 being oppositely arranged with striking passage 510, goes out Arc notch 528 is located at arc extinguishing grid pieces 521 close to the side of striking passage 510, and the opening of arc extinguishing notch 528 is from close to arc extinguishing grid pieces The middle part extension of a 521 lateral arc extinguishing grid pieces 521.

Optionally, 528 forming V-shape of arc extinguishing notch, the arc extinguishing grid pieces 521 include being correspondingly arranged with striking passage 510 Case arc extinguishing arm 526, and base arc extinguishing arm 527 corresponding with base interlayer 140a, the size of base arc extinguishing arm 527 be more than Case arc extinguishing arm 526, and case arc extinguishing arm 526 and base arc extinguishing arm 527 be on the inside of housing respectively with offseting, in base arc extinguishing Arm 526 is equipped with the base contained side 528a parallel to electric arc moving direction in striking passage 510, is set on case arc extinguishing arm 527 There is the case contained side 528b for favouring electric arc moving direction in striking passage 510.

Optionally, housing is equipped with trapping muscle 522 in side of the arc-chutes 520 away from striking passage 510, in trapping muscle 522 Both sides form outlet upper channel 523 and outlet lower channel 524 respectively, outlet upper channel 523 is connected with the left end of housing, in shell The left end of body is equipped with L poles input terminal 710, and outlet lower channel 524 is connected with the bottom side of housing, and stop is equipped with the bottom side of housing Part 130.

Optionally, partition plate 140 is further included, the middle part of partition plate 140 is equipped with partition muscle 140d, separates muscle 140 by partition plate 140 Left side is divided into the first partition portion 141, the right side of partition plate 140 is divided into the second partition portion 142, the first partition portion 141 is set Between striking passage 510 and circuit board module 213, the second partition portion 142 is equipped with overlond trip mechanism 230.

Optionally, the back side in the first partition portion 141 is equipped with the longitudinal direction partition muscle 1411a coordinated with arc-chutes 520, shell The longitudinal side plate 1411 coordinated with longitudinal direction partition muscle 1411a is equipped between body assist side component 213 and arc-chutes 520, is indulged Longitudinal direction partition muscle 1411a and longitudinal side plate 1411 are equipped with reinforcing rib 1411b towards the side of arc-chutes 520；Second partition portion 142 Positive right side is equipped with second longitudinal direction partition muscle 1468, and second longitudinal direction partition muscle 1468 and the right end of circuit board module 213 coordinate, In the space of 231 wiring of bimetal leaf formed below of second longitudinal direction partition muscle 1468, in the upper of second longitudinal direction partition muscle 1468 The square avoiding space swung into bimetal leaf 231.

Optionally, housing includes base 110 and case 120, and the back side of 141 left end of the first partition portion is equipped with and arc-chutes The 520 longitudinal direction partition muscle 1411a coordinated, are equipped with and longitudinal partition between 110 assist side component 213 of base and arc-chutes 520 The longitudinal side plate 1411 that muscle 1411a coordinates, is longitudinally separating muscle 1411a and longitudinal side plate 1411 towards the side of arc-chutes 520 Equipped with reinforcing rib 1411b；The contact mechanism that the front on 141 top of the first partition portion is formed with moving contact 610 and static contact 620 600 coordinate, the left side on 141 top of the first partition portion be equipped with static contact 620 coordinate fixing lug boss 143, right side be equipped with The positive stop lug boss 144 that the moving contact 610 of contact mechanism 600 coordinates, middle part is set between fixing lug boss 143 and positive stop lug boss 144 There are the guide ledges 145 of the camber coordinated with moving contact 610；The back side on 141 top of the first partition portion is equipped with to be coordinated with housing Horizontal partition muscle 1412a, and the company for the vertex being connected between laterally partition muscle 1412a and longitudinal direction partition muscle 1411a Partition muscle 1413a is met, connection partition muscle 1413a cambers are used for the electromagnetic trip for avoiding the top of the first partition portion that is arranged on 141 Mechanism 220, the horizontal side plate 1412 that base 110 is equipped with the back side of contact mechanism 600 with laterally partition muscle 1412a coordinates, with And the connecting lateral plate 1413 coordinated with being connected partition muscle 1413a；The back side of first partition portion, 141 bottom is not provided with partition muscle, directly Connect and coordinate with the side wall of the lower section of base 110；The front of first partition portion, 141 bottom is equipped with second and laterally separates muscle 1461, the Two right sides for laterally separating muscle 1461 are equipped with the striking boss 1462 coordinated with double golden connection sheets 232 of overlond trip mechanism 230, The right side of striking boss 1462 is connected with partition muscle 140d, is equipped with and fixes in the junction of striking boss 1462 and partition muscle 140d The fixed groove 1463 of double gold connection sheets 232；The bottom in the second partition portion 142 is equipped with the second connection and separates muscle 1464, and second connects Connect the left end camber of partition muscle 1464 and the second horizontal partition muscle 1461 positive with 141 bottom of the first partition portion is connected, the The right end of two connection partition muscle 1464 is equipped with adjustment fixed block 1465；The top side at 142 back side of the second partition portion is equipped with the 3rd laterally Separate muscle 1466, the 3rd horizontal partition muscle 1412a for laterally separating the 141 top back side of left end and the first partition portion of muscle 1466 connects Connect, the 3rd limited block 1467 laterally separated in the right end and housing of muscle 1466 coordinates；Second partition portion, 142 positive right side is set There is second longitudinal direction to separate muscle 1468, the right end of second longitudinal direction partition muscle 1468 and circuit board module 213 coordinates, second longitudinal direction every The space of 231 wiring of bimetal leaf formed below of disconnected muscle 1468, bimetallic is formed in the top of second longitudinal direction partition muscle 1468 The avoiding space that piece 231 is swung.

Optionally, overlond trip mechanism 230 is further included, overlond trip mechanism 230 includes bimetal leaf 231, bimetal leaf 231 top is connected by flexible connection 234 with moving contact 610, is equipped with the tripping 440 of operating mechanism 400 and bimetal leaf Double golden pull rods 236 that 231 top overlap joint coordinates；The bottom of bimetal leaf 231 is fixedly connected with double golden connection sheets 232, double gold Connection sheet 232 includes connected the first connection sheet 2321 and the second connection sheet 2322, and the first connection sheet 2321 is arranged on striking and leads to It is oppositely arranged in road 510 with static contact 620, the second connection sheet 2322 is arranged on one end and bimetal leaf in case interlayer 140c 231 bottoms are fixedly connected, and the other end is fixedly connected with the second connection sheet 2322.

Optionally, the both sides of the striking passage 510 are equipped with the flash barrier 511 for gas exhausted material.

Optionally, the wiring board 213 takes electric lead 214 and N poles to take electric lead 215 to be connected with L poles, and L poles take electric lead 214 other end is connected with the bimetal leaf 231 of overlond trip mechanism 230, and N poles take the other end and N poles connector of electric lead 215 750 connections.

Optionally, the operating mechanism 400 includes the rotation axis 410 being fixedly connected with the casing, and is pivoted on pivot Main lever 420 in shaft 410, the right side on 420 top of main lever are equipped with resetting spring 450, and bottom is connected with moving contact 610, It is pivotally mounted on main lever 420 to have main spring 470, lock 430 and tripping 440, the connecting rod 11 and handle 1 that lock 430 passes through left side Hinged, tripping 440 is arranged on the lower section of lock 430, and top and the overlap joint of lock 430 of tripping 440 coordinate, in the back of the body of tripping 440 Face is equipped with limited part 460.

Optionally, the leakage tripping device 212 includes the electric leakage dropout skeleton 2121 of tubular, in electric leakage dropout skeleton 2121 Outside be equipped with the electric leakage tripping coil 2122 that is connected with circuit board module 213, the tripping coil 2122 that leaks electricity is along thickness of shell side To full of case inside, the dynamic iron core 2123 of electric leakage dropout and electric leakage dropout fixed core are equipped with the inner side of electric leakage dropout skeleton 2121 2125, electric leakage, which is threaded off, moves inner side and electric leakage tripping coil 2122 that iron core 2123 is movably disposed at electric leakage dropout skeleton 2121 Coordinate, electric leakage dropout fixed core 2125 is oppositely arranged on electric leakage dropout dynamic side and leakage of the iron core 2123 away from operating mechanism 400 Electric 2121 tight fit of dropout skeleton, threads off in electric leakage and threads off between dynamic iron core 2123 and electric leakage dropout fixed core 2125 equipped with electric leakage Spring 2126, electric leakage dropout pull rod 2124 is hinged with the left end of the dynamic iron core 2123 of electric leakage dropout, electric leakage dropout pull rod 2124 Left end, which is overlapped in the tripping 440 of operating mechanism 400, to be coordinated, and electric leakage tripping coil 2122 is connected with circuit board module 213.

Optionally, electromagnetic release mechanism 220 is further included, electromagnetic release mechanism 220 and electrical leakage tripping device 210 are oppositely arranged In the arranged on left and right sides of operating mechanism 400, electromagnetic release mechanism 220 is arranged on the lower section of handle 1 and the top of arc-extinguishing mechanism 500 Between, the L poles input terminal 710 being connected with electromagnetic release mechanism 220 is equipped with the left side of arc-extinguishing mechanism 500, is threaded off in electric leakage The right side of mechanism 210 is equipped with L poles outlet terminal 720, and L poles outlet terminal 720 is connected with overlond trip mechanism 230；In the outlet of L poles The lower section of terminal 720 is equipped with FE conducting wires 740, and one end of FE conducting wires 740 is connected with circuit board module 213.

Optionally, the electromagnetic release mechanism 220 includes yoke 221 and is arranged on the top of yoke 221 into the electricity of tubular Magnetic dropout skeleton 222, the outside of electromagnetic trip skeleton 222 are equipped with the electromagnetic trip coil 223 being connected with yoke 221, and electromagnetism takes off The left side of fastening wire circle 223 is connected with L poles input terminal 710, and the right side of yoke 221 is connected with static contact 620, electromagnetic trip skeleton Iron core 224 is moved equipped with moveable electromagnetic trip in 222 inner side.

Optionally, the operating mechanism 400 is arranged on the top of moving contact 610, and the left side on 400 top of operating mechanism is equipped with Connected handle 1, the right side on top are equipped with mechanism for testing 300, and the left side of 400 bottom of operating mechanism is equipped with electromagnetic release mechanism 220, striking passage 510 is equipped with the lower section of moving contact 610, static contact 620 is arranged in striking passage 510 and electromagnetic trip machine Structure 220 connects, and connected arc-chutes 520 are equipped with the left side of striking passage 510, is equipped with the left side of arc-chutes 520 and electromagnetism The connected L poles input terminal 710 of tripping mechanism 220, the right side of striking passage 510 are equipped with overlond trip mechanism 230, and electric leakage is threaded off Device 212 is arranged on the top on the right side of overlond trip mechanism 230, and mutual inductor 211 is arranged on the bottom on the right side of overlond trip mechanism 230 End, the right end of circuit board module 213 are correspondingly arranged at the lower section of leakage tripping device 212, and the middle part of circuit board module 213, which corresponds to, to be set Put and be correspondingly arranged at the back side of striking passage 510, arc extinguishing in the back side of overlond trip mechanism 230, the left end of circuit board module 213 The right side of room 520, is equipped with L poles outlet terminal 720 and N poles outlet terminal 730, in the outlet of L poles on the right side of leakage tripping device 212 The lower section of terminal 720 and N poles outlet terminal 730 is equipped with FE conducting wires 740, and N poles connector 750, N is equipped with the lower section of FE conducting wires 740 Pole outlet terminal is connected by the N polar conductors 731 through mutual inductor 211 with N poles connector 750, and L poles outlet terminal 720 is arranged on N The back side of pole outlet terminal 730, is connected by the L polar conductors 235 through mutual inductor 211 with overlond trip mechanism 230.

The earth leakage circuit breaker of the present invention, by the circuit board module 213 of electrical leakage tripping device 210 along thickness of shell direction The side of striking passage 510 is arranged on, on the premise of not influencing to reduce product performance, effectively reduces earth leakage protective Breaker volume, meets the development trend of earth leakage circuit breaker market miniaturization, and simple in structure, easy to assembly, cost It is low.In addition, by setting the cover for being used for accommodating overlond trip mechanism 230 on the right side of base interlayer 140a and arc-extinguishing mechanism 500 Shell interlayer 140c, and case interlayer 140c is corresponding with the middle part of circuit board module 213 with the interval setting of base 110 formation of housing Spacer interlayers 140b, makes both ends of the circuit board module 213 equipped with component be correspondingly arranged at the both sides of spacer interlayers 140b, makes The more compact structure of the leakage protection circuit device of the present invention, volume are further reduced.Particularly, 510 He of striking passage Circuit board module 213 is disposed side by side on the same side of arc-chutes 520, both sides and the thickness of shell direction both sides of arc-chutes 520 Madial wall offsets, and 521 through-thickness of arc extinguishing grid pieces is full of the case inside of 18mm thickness, by the sky for increasing arc-chutes 520 Between the width of arc extinguishing coral piece 521 is increased as much as possible, the arc extinguishing ability of arc-extinguishing mechanism 500 is ensure that, particularly in 6KA When still be able to ensure reliable breaking capacity.In addition, electric leakage trip shaft 442 can not only coordinate with mechanism for testing 300 plays limit The effect of position, can also coordinate with the electric leakage dropout pull rod 2124 of leakage tripping device 212, while by same at 440 back side of tripping The overlond trip hole 441 that axis is set, can prevent the forceful electric power interference electric leakage dropout pull rod 2124 of double golden pull rods 236, limited Reliable insulating effect is played in space, is killed three birds with one stone, it is ingenious in design.

Brief description of the drawings

Fig. 1 is the structure diagram of earth leakage circuit breaker of the present invention；

Fig. 2 is the schematic diagram of component placement in earth leakage circuit breaker housing of the present invention；

Fig. 3 is the sectional view of earth leakage circuit breaker of the present invention；

Fig. 4 is the structure diagram of operating mechanism of the present invention, mechanism for testing, electromagnetic release mechanism and mutual inductor；

Fig. 5 is the partial enlarged view of Fig. 2；

Fig. 6 is operating mechanism, mechanism for testing, electromagnetic release mechanism, leakage tripping device and overlond trip mechanism of the present invention Structure diagram；

Fig. 7 is the schematic diagram that leakage tripping device of the present invention coordinates with tripping；

Fig. 8 is the sectional view of leakage tripping device of the present invention；

Fig. 9 is the cooperation schematic diagram of mechanism for testing and electromagnetic release mechanism of the present invention；

Figure 10 is the structure diagram of testing button of the present invention；

Figure 11 is the structure diagram of membrane front face of the present invention；

Figure 12 is the structure diagram at the partition plate back side of the present invention.

Embodiment

The embodiment provided below in conjunction with attached drawing 1 to 12, further illustrates the specific of earth leakage circuit breaker of the invention Embodiment.The earth leakage circuit breaker of the present invention is not limited to the following description, left side, the right side described in embodiment Side, left end, right end are relative position relation, are not refered in particular in left or right.

As shown in Figs. 1-2, the preferred embodiment of earth leakage circuit breaker of the invention, it includes base 110 and case 120 The housing of composition, and L poles protection module and N poles protection module in the housing are set, mould can be protected into L poles as needed Block is arranged on the left or right side of N poles protection module, and using the integral structure do not increased, case width only has 18mm, specified Electric current maximum 40A, breaking capacity reach 6kA, and Electromagnetic Compatibility meets that electric leakage can reliably thread off when standard requirement and 50V voltages, And annex can be spliced.

L poles protection module includes the contact mechanism 600 that the moving contact 610 being oppositely arranged and static contact 620 form, and is touched dynamic First 610 top is equipped with connected operating mechanism 400, and the left side of operating mechanism 400 is equipped with connected handle 1, in static contact 620 Lower section be equipped with arc-extinguishing mechanism 500, handle 1 by operating mechanism 400 drive moving contact 610 swing contacted with static contact 620 and Separation, to realize switch closing and switch opening；Arc-extinguishing mechanism 500 includes arc-chutes 520 and is connected to arc-chutes 520 and contact mechanism 600 Between striking passage 510, be equipped with arc extinguishing grid pieces 521 in arc-chutes 520, static contact 620 is arranged in striking passage 510, is moved Contact 620 swings in striking passage 510 and is contacted with static contact 620, and striking passage 510 produces when contact mechanism 600 is acted Electric arc guide arc-chutes 520 into, extinguish electric arc by arc extinguishing grid pieces 521 in arc-chutes 520, prevent in arc erosion breaker Mechanism, by improving contact breaking capacity, improve the reliability and security of breaker.

L poles protection module is additionally included in the tripping mechanism for being capable of the unlock of trigger action mechanism 400 when circuit breaks down, and takes off Buckle mechanism generally includes electrical leakage tripping device 210, electromagnetic release mechanism 220 and overlond trip mechanism 230, electrical leakage tripping device 210th, electromagnetic release mechanism 220 and overlond trip mechanism 230 unlock operation machine when electric leakage, short circuit and overload occurs in circuit respectively Structure 400 drives moving contact 610 to be separated with static contact 620, and to realize tripping, mechanism for testing is equipped with the right side of operating mechanism 400 300, mechanism for testing 300 can analog line leak electricity, test electrical leakage tripping device 210 reliably can protect electric leakage in time Circuit breaker trip is protected, fails but line attachment to prevent electrical leakage tripping device 210, can not realize the guarantor to property and personal safety Shield.

The electrical leakage tripping device 210 and electromagnetic release mechanism 220 of the present invention is oppositely arranged on the left and right of operating mechanism 400 Both sides, electromagnetic release mechanism 220 are arranged between the lower section of handle 1 and the top of arc-extinguishing mechanism 500, overlond trip mechanism 230 It is arranged between electrical leakage tripping device 210 and operating mechanism 400, the left side of left end, arc-extinguishing mechanism 500 in housing is equipped with and electricity The connected L poles input terminal 710 of magnetic tripping mechanism 220, L poles input terminal 710 are used to be connected with firewire, electromagnetic release mechanism 220 are electrically connected with L poles input terminal 710, and the right side of right end, electrical leakage tripping device 210 in housing is equipped with L poles outlet terminal 720, L pole outlet terminals 720 are connected with firewire, and L polar conductors 235 are connected with L poles outlet terminal 720, and L polar conductors 235 pass through leakage It is connected after the mutual inductor 211 of electric tripping mechanism 210 with overlond trip mechanism 230.

Without breakpoint, it includes being arranged on housing right end, the N poles leading-out terminal of 720 side of L poles outlet terminal N poles protection module Son 730, N poles outlet terminal 730 is used to be connected with zero curve, and N polar conductors 731 are connected with N poles outlet terminal 730, N polar conductors 731 The N poles connector 750 of mutual inductor 211 and lower section through electrical leakage tripping device 210 is connected；In L poles, the lower section of outlet terminal 720 is also Equipped with FE conducting wires 740, one end of FE conducting wires 740 is connected with circuit board module 213, the other end and external connection, even if zero curve breaks When opening can also earth leakage protective be carried out to firewire.

As Figure 2-3, the electrical leakage tripping device 210 includes mutual inductor 211, leakage tripping device 212 and wiring board group Part 213, mutual inductor 211 and leakage tripping device 212 are arranged on the right side of arc-extinguishing mechanism 500 and connect respectively with circuit board module 213 Connect, mutual inductor 211 sensed leakage current by when, circuit board module 213 receive electric leakage inductive signal rear-guard move Lou Electric buckle releaser 212 unlocks operating mechanism 400, and circuit board module 213 is arranged on the one of striking passage 510 along thickness of shell direction Side, housing are equipped with the base interlayer 140a for being used for accommodating circuit board module 213, base interlayer at the back side of arc-extinguishing mechanism 500 140a is oppositely arranged with arc-extinguishing mechanism 500.

The earth leakage circuit breaker of the present invention, is used to accommodate circuit board module by being equipped with the back side of arc-extinguishing mechanism 500 Circuit board module 213, is arranged on the side of striking passage 510, in not shadow by 213 base interlayer 140a along thickness of shell direction Ring on the premise of reducing product performance, effectively reduce earth leakage circuit breaker volume, meet leakage protection circuit device Market miniaturization development trend, and it is simple in structure, easy to assembly, cost is low.

Further, overlond trip mechanism 230 is arranged on the right side of striking passage 510, de- in striking passage 510 and overload Buckle mechanism 230 surrounds appearance along the left side of the side in thickness of shell direction, the lower section of leakage tripping device 212, L poles outlet terminal 720 Receive the space of circuit board module 213.The case interlayer 140c for being used for accommodating overlond trip mechanism 230, cover are equipped with the housing Shell interlayer 140c is arranged on the right side of base interlayer 140a and arc-extinguishing mechanism 500, between the base 110 of case interlayer 140c and housing Spacer interlayers 140b corresponding with the middle part of circuit board module 213 is formed every setting, the width of spacer interlayers 140b is less than base pinch Layer 140a, the part that the middle part of circuit board module 213 corresponds to spacer interlayers 140b can be for connecting up or set volume very Small component, the left end that circuit board module 213 is equipped with the component (such as resistance class) of small size are placed on base interlayer In 140a, component right end of the circuit board module 213 equipped with large volume is placed on the right side of overload spacer interlayers 140b, electric leakage takes off Detain the lower section of device 212, the top of mutual inductor 211, the left side of N poles outlet terminal 730.Certainly, if reduction circuit board module 213 Volume, then circuit board module 213 can also be fully accommodated in base interlayer 140a, it is not necessary to stretched out right end, also belonged to In protection scope of the present invention.

The earth leakage circuit breaker of the present invention, is used for by being set on the right side of base interlayer 140a and arc-extinguishing mechanism 500 Accommodate the case interlayer 140c of overlond trip mechanism 230, and the base 110 of case interlayer 140c and housing be arranged at intervals formed with The corresponding spacer interlayers 140b in the middle part of circuit board module 213, is correspondingly arranged the both ends that circuit board module 213 is equipped with component In the both sides of spacer interlayers 140b, make the more compact structure of the leakage protection circuit device of the present invention, volume is further contracted Subtract.

A kind of embodiment with reference to shown in Fig. 3-4, is equipped with partition plate between striking passage 510 and circuit board module 213 140, with reference to Fig. 3, partition plate 140 is equipped with housing, Figure 11 shows the Facad structure of partition plate 140, and Figure 12 shows partition plate 140 Backside structure, with reference to Fig. 4 and Figure 11, the partition plate 140 is equipped with partition muscle 140d at the middle part of partition plate 140 into writing board shape, every The left side of partition plate 140 is divided into the first partition portion 141 for surrounding striking passage 510 by disconnected muscle 140, by the right side of partition plate 140 Side is divided into the second partition portion 142 for surrounding case interlayer 140c, the first partition portion 141 be arranged on striking passage 510 with Between circuit board module 213, the front in the second partition portion 142 surrounds case interlayer 140, and it is de- to be equipped with overload in case interlayer 140 Buckle mechanism 230,142 back side of the second partition portion form partition boss 140e to the convex folding of dorsal part and the back side in the first partition portion 141；The The back side of one partition portion, 141 left end is equipped with the longitudinal direction partition muscle 1411a coordinated with arc-chutes 520,110 assist side component of base The longitudinal side plate 1411 coordinated with longitudinal direction partition muscle 1411a is equipped between 213 and arc-chutes 520, in longitudinally partition muscle 1411a and Longitudinal side plate 1411 is equipped with reinforcing rib 1411b towards the side of arc-chutes 520, can be improved while being positioned with housing with going out The insulation effect of arc chamber 520；The contact mechanism that the front on 141 top of the first partition portion is formed with moving contact 610 and static contact 620 600 coordinate, the left side on 141 top of the first partition portion be equipped with static contact 620 coordinate fixing lug boss 143, right side be equipped with The positive stop lug boss 144 that the moving contact 610 of contact mechanism 600 coordinates, middle part is set between fixing lug boss 143 and positive stop lug boss 144 There are the guide ledges 145 of the camber coordinated with moving contact 610；The back side on 141 top of the first partition portion is equipped with to be coordinated with housing Horizontal partition muscle 1412a, and the company for the vertex being connected between laterally partition muscle 1412a and longitudinal direction partition muscle 1411a Partition muscle 1413a is met, connection partition muscle 1413a cambers are used for the electromagnetic trip for avoiding the top of the first partition portion that is arranged on 141 Mechanism 220, the horizontal side plate 1412 that base 110 is equipped with the back side of contact mechanism 600 with laterally partition muscle 1412a coordinates, with And the connecting lateral plate 1413 coordinated with being connected partition muscle 1413a；The back side of first partition portion, 141 bottom is not provided with partition muscle, directly Connect and coordinate with the side wall of the lower section of base 110；The front of first partition portion, 141 bottom is equipped with second and laterally separates muscle 1461, the Two right sides for laterally separating muscle 1461 are equipped with the striking boss 1462 coordinated with double golden connection sheets 232 of overlond trip mechanism 230, The right side of striking boss 1462 is connected with partition muscle 140d, is equipped with and fixes in the junction of striking boss 1462 and partition muscle 140d The fixed groove 1463 of double gold connection sheets 232, the side of double gold connection sheets 232, which is inserted into fixed groove 1463, to be fixed；Second The bottom in partition portion 142 is equipped with the second connection and separates muscle 1464, the left end camber of the second connection partition muscle 1464 and with first Laterally partition muscle 1461 connects for 141 bottom of partition portion positive second, and the right end of the second connection partition muscle 1464 is solid equipped with adjustment Determine block 1465, the adjusting screw 233 for favouring the setting of bimetal leaf 231, adjusting screw 233 are equipped with fixed block 1465 is adjusted Coordinate with bimetal leaf 231；The top side at 142 back side of the second partition portion is equipped with the 3rd and laterally separates muscle 1466, the 3rd laterally partition The left end of muscle 1466 is connected with the horizontal partition muscle 1412a at the 141 top back side of the first partition portion, and the 3rd laterally separates muscle 1466 Right end coordinates with the limited block 1467 (Fig. 4) in housing；Second partition portion, 142 positive right side is equipped with second longitudinal direction partition muscle 1468, second longitudinal direction partition muscle 1468 coordinates with the component on the right end of circuit board module 213, prevents on bimetal leaf 231 Forceful electric power influence circuit board module 213, second longitudinal direction partition muscle 1468 is oppositely arranged with partition muscle 140d and upper/lower terminal It is not connected with other mechanisms, it is vertical second in the space of 231 wiring of bimetal leaf formed below of second longitudinal direction partition muscle 1468 The avoiding space of the swing of bimetal leaf 231 is formed to the top of partition muscle 1468.The front in the first above-mentioned partition portion 141, every The left side of disconnected muscle 140d and the inner side of case 120 surround striking passage 510；The front in the second partition portion 142, separate muscle 140d's Right side and the inner side of case 120 surround the case interlayer 140c for accommodating overlond trip mechanism 230, the back side in the first partition portion 141 Base interlayer 140a is surrounded with base 110, the back side and the base 110 in the second partition portion 142 surround spacer interlayers 140b.Partition plate 140 can be integrally formed with base 110 or case 120 or splice after being separately set and are assemblied together again, when Partition plate 140 can not also be so set.

With reference to Fig. 3,4, as a kind of embodiment of arc-extinguishing mechanism 500, the striking passage 510 is arranged on base interlayer The front of 140a is oppositely arranged with base interlayer 140a, and arc-chutes 520 are arranged on striking passage 510 and circuit board module 213 is remote From the same side of electrical leakage tripping device 210, the madial wall of the both sides and thickness of shell direction both sides of arc-chutes 520 offsets, arc extinguishing Arc extinguishing grid pieces 521 are equipped with room 520,521 through-thickness of arc extinguishing grid pieces is full of the case inside of 18mm thickness, arc-chutes 520 Thickness be more than striking passage 510 and be approximately equal to the sum of thickness of base interlayer 140a and striking passage 510.By increasing arc extinguishing The space of room 520 makes the width of arc extinguishing coral piece 521 be increased as much as possible, ensure that arc extinguishing ability, particularly in 6KA still It can ensure reliable breaking capacity, it is of course also possible to do not increase the space of arc-chutes 520, by circuit board module 213 along thickness Direction is arranged on the back side of arc-chutes 520 and striking passage 510, belongs to protection scope of the present invention.

Specifically, the operating mechanism 400 is arranged on the top of moving contact 610, the left side on 400 top of operating mechanism is equipped with Connected handle 1, the right side on top are equipped with mechanism for testing 300, and the left side of 400 bottom of operating mechanism is equipped with electromagnetic release mechanism 220, the position near the tripping 440 of operating mechanism 400 of electromagnetic release mechanism 220 is equipped with mandril, if circuit goes out during combined floodgate Existing short circuit current flow, electromagnetic release mechanism 220 promotes 440 trigger action mechanism of tripping to unbutton by mandril, under moving contact 610 Side is equipped with striking passage 510, and static contact 620 is arranged in striking passage 510 and is connected with electromagnetic release mechanism 220, led in striking The left side in road 510 is equipped with connected arc-chutes 520, is equipped with L poles input terminal 710 in the left side of arc-chutes 520, the striking is led to The right side in road 510 is equipped with overlond trip mechanism 230, and leakage tripping device 212 is arranged on the top on the right side of overlond trip mechanism 230, Mutual inductor 211 is arranged on the bottom on the right side of overlond trip mechanism 230, and the right end of circuit board module 213 is correspondingly arranged at electric leakage and takes off The lower section of device 212 is detained, the middle part of circuit board module 213 is correspondingly arranged at the back side of overlond trip mechanism 230, circuit board module 213 left end is correspondingly arranged at the back side of striking passage 510, the right side of arc-chutes 520, and wiring board 213 takes electric lead with L poles 214 and N poles take electric lead 215 to connect, and L poles take the other end of electric lead 214 and the bimetal leaf 231 of overlond trip mechanism 230 Connection takes electricity, and N poles take the other end of electric lead 215 to be connected with N poles connector 750 and take electricity, and L poles take electric lead 214 and N poles to take conductance Line 215 can be effectively reduced the difficulty of assembling without mutual inductor 211 is needed guiding through, and L poles are equipped with the right side of leakage tripping device 212 Outlet terminal 720 and N poles outlet terminal 730, L poles outlet terminal are arranged on the back side of N poles outlet terminal 730, in L poles leading-out terminal The lower section of son 720 and N poles outlet terminal 730 is equipped with FE conducting wires 740 and N poles connector 750.

With reference to Fig. 3, as a kind of embodiment of arc extinguishing grid pieces 521, the side of the arc extinguishing grid pieces 521 is equipped with and striking The arc extinguishing notch 528 that passage 510 is oppositely arranged, the opening of arc extinguishing notch 528 extend to the middle part of 521 opposite side of arc extinguishing grid pieces, By setting the arc extinguishing notch 528 opposite with striking passage 510 in the side of arc extinguishing coral piece 521, it is possible to increase arc-extinguishing mechanism 520 With the compatible degree between striking passage 510, arc quenching effect is improved.

Further, the arc extinguishing grid pieces 521 include the case arc extinguishing arm 526 being correspondingly arranged with striking passage 510, and Base arc extinguishing arm 527 corresponding with base interlayer 140a, the size of base arc extinguishing arm 527 is more than case arc extinguishing arm 526, and covers Shell arc extinguishing arm 526 and base arc extinguishing arm 527 on the inside of housing respectively with offseting.By setting and 510 corresponding cover of striking passage Shell arc extinguishing arm 526, and base arc extinguishing arm 527 corresponding with base interlayer 140a, can further improve arc extinguishing grid pieces 521 with Compatible degree between striking passage 510 and base interlayer 140a, makes arc extinguishing grid pieces 521 to be full of as much as possible in the width direction Case inside, improves the arc extinguishing ability of arc extinguishing coral piece 521 to ultimate attainment, reliability and security by using limited space Higher.

Further, 528 forming V-shape of arc extinguishing notch, is equipped with parallel to striking passage 510 on base arc extinguishing arm 526 The base contained side 528a of middle electric arc moving direction, is equipped with case arc extinguishing arm 527 and favours electric arc movement in striking passage 510 The case contained side 528b in direction, and the arc extinguishing being connected between case contained side 528b and base contained side 528a connect side 528c, bottom Angle between seat contained side 528a and case contained side 528b is α.

Further, the case arc extinguishing arm 526 is arranged at intervals with striking passage 510 and forms case arc extinguishing interval 526a, The case arc extinguishing limiting plate 526b for the cooperation that offsets with case arc extinguishing arm 526 is equipped with case arc extinguishing interval 526a；The base Arc extinguishing arm 527 is equipped with the avoidance inclined-plane 527b being oppositely arranged with case arc extinguishing interval 526a, avoids inclined-plane 527b and is used to avoid Arc striking component 527c in arc-chutes 520, the side for avoiding inclined-plane 527b are connected with striking passage 510, opposite side and base arc extinguishing Arm 527 is connected, and further improves the reliability and security of arc-extinguishing mechanism 500.

Further, the described one end of arc extinguishing grid pieces 521 away from striking passage 510 is fixed by arc extinguishing fixed plate 525, shell Body is equipped with trapping muscle 522 in side of the arc-chutes 520 away from striking passage 510, and outlet is formed respectively in the both sides of trapping muscle 522 Upper channel 523 and outlet lower channel 524, outlet upper channel 523 are connected with the left end end face of housing, and L is equipped with the left end of housing Pole input terminal 710, outlet lower channel 524 are connected with the bottom side of housing, and retainer 130, retainer are equipped with the bottom side of housing 130 are used to housing being fixed on guide rail, and the exhaust gas in arc-chutes 520 is divided into upper and lower two strands of gas by trapping muscle 520, respectively Housing is discharged from by outlet upper channel 523 and outlet lower channel 524, there is smooth in exhaust, the characteristics of anti-dust performance is excellent.

As a kind of embodiment of striking passage 510, the first clamping plate of the striking passage 510 and base interlayer 140a Flash barrier 511 is equipped between 141, the striking effect of arc-extinguishing mechanism 500 can not only be improved by the setting of flash barrier 511, is increased Strong arc extinguishing ability, but also can prevent the electric arc in striking passage 510 from damaging the circuit board module in base interlayer 140a 213, increase reliability and service life.

Further, the both sides of the striking passage 510 are equipped with flash barrier 511, i.e. striking passage 510 and base interlayer Between 140a, and flash barrier 511 is equipped between striking passage 510 and the case 120 of housing, flash barrier 511 is aerogenesis material Material is made, and gas exhausted material can not only rely on arc erosion aerogenesis, make arc suppression chamber pressure improve and formed air-blowing make electric arc accelerate fortune It is dynamic, breaking capacity can either be effectively put forward, and the circuit board module 213 in electric arc influence base interlayer 140a can be avoided, into One step improves 213 reliability of circuit board module and security.

A kind of embodiment of operating mechanism 400 as shown Fig. 4-6, operating mechanism 400 include what is be fixedly connected with the casing Rotation axis 410, and the main lever 420 being pivoted on pivotal axis 410, the right side on 420 top of main lever, which is equipped with, resets bullet Spring 450, bottom are connected with the moving contact 610 of contact mechanism 600, pivotally mounted on main lever 420 to have main spring 470,430 and of lock Tripping 440, one end of main spring 470 are connected with main lever 420, and the contact of the other end and moving contact 610 is supported to connect, lock 430 Hinged by the connecting rod 11 (Fig. 2) and handle 1 in left side, tripping 440 is arranged on the lower section of lock 430, and the middle part of tripping 440 pivots peace On main lever 420, top and the overlap joint of lock 430 of tripping 440 coordinate, and bottom coordinates with tripping mechanism, in tripping 440 The left side of positive bottom is equipped with the dropout adjutage being correspondingly arranged with electromagnetic release mechanism 220, and front and back divides on the right side of bottom Not She You overlond trip hole 441 and electric leakage trip shaft 442, be equipped with limited part 460 (Fig. 6), limited part at the back side of tripping 440 460 top is equipped with elastic deformation portion, coordinates with the side wall of housing and plays the role of buffering operating mechanism 400, in the housing Equipped with the abutting plate 451 coordinated with resetting spring 450, resetting spring 450 is preferably compression spring, the left end of resetting spring 450 and master Lever 420 connects, and right end is connected with abutting plate 451, and left side and the resetting spring 450 for abutting plate 451 offset cooperation, and right side is equipped with Mechanism for testing 300；It is 450 energy storage of resetting spring that driving handle 1, which can drive the top side oscillation to the right of main lever 420, to the right, The side oscillation to the left of moving contact 610 of 420 bottom of main lever is set to be contacted with the static contact 620 of contact mechanism 600 with conductive line at the same time Road, after moving contact 610 and static contact 620 completely attach to, lock 430 and 440 mutual hasp of tripping simultaneously lock operating mechanism 400 Be scheduled on energy storage state, tripping mechanism can drive the bottom of tripping 440 to move right when circuit occurs abnormal, make tripping 440 with Lock 430, which is unbuttoned, unlocks operating mechanism 400, and resetting spring 450, which is released, and can promote main lever 420 to make moving contact 610 and stationary contact First 620 separation disconnects circuit.

The tripping 440 is plastic part, and the front of tripping 440 is equipped with cuts with scissors with double golden pull rods 236 of overlond trip mechanism 230 The overlond trip hole 441 connect, the back side of 440 opposite side of tripping are equipped with the leakage with the leakage tripping device 212 of electrical leakage tripping device 210 The electric leakage trip shaft 442 that the electric overlap joint of dropout pull rod 2124 coordinates, overlond trip hole 441 and electric leakage trip shaft 442 coaxially correspond to It is arranged on the obverse and reverse sides of tripping 440.

The earth leakage circuit breaker of the present invention, the electric leakage trip shaft 442 at 440 back side of tripping can not only be with leakage tripping device 212 coordinate, and play the role of unlocking operating mechanism 400, and leak electricity trip shaft 442 and the overlond trip hole of double golden pull rods 236 441 are coaxially arranged concentrically, and can prevent the forceful electric power interference electric leakage dropout pull rod 2124 of double golden pull rods 236, interior in a limited space Reliable insulating effect is played, in addition, electric leakage trip shaft 442 can also coordinate with mechanism for testing 300 plays spacing effect, is prevented Only in gate-dividing state, faulty operation presses mechanism for testing 300 and connects test loop.

As Fig. 2,5 show a kind of embodiment of overlond trip mechanism 230, overlond trip mechanism 230 includes bimetal leaf 231, the top of bimetal leaf 231 is connected by flexible connection 234 with moving contact 610, is set in the tripping 440 of operating mechanism 400 There are the double golden pull rods 236 (Fig. 5) coordinated with the top of bimetal leaf 231 overlap joint；The bottom of bimetal leaf 231 and double golden connection sheets 232 are fixedly connected, and double gold connection sheets 232 are electrically connected by L polar conductors 235 with the wire connection terminal 700 of leading-out terminal, away from double gold The side of connection sheet 232 is additionally provided with adjusting screw 233, and double gold connection sheets 232 include the first connected connection sheet 2321 and second Connection sheet 2322, the first connection sheet 2321 are arranged in striking passage 510 and are oppositely arranged with static contact 620, the second connection sheet 2322 are arranged on one end in case interlayer 140c is fixedly connected with 231 bottom of bimetal leaf, the other end and the second connection sheet 2322 It is fixedly connected.The overlond trip hole 441 hinged with double golden pull rods 236, the other end of double gold pull rods 236 are equipped with tripping 440 Camber is overlapped on side of 231 top of bimetal leaf away from tripping 440；When overloading in the line, bimetal leaf 231 is logical The tripping 440 and the unlock of lock 430 of double golden 236 pull operation mechanisms 400 of pull rod are crossed, adjusting screw 233 can be double by promoting The initial position that sheet metal 231 changes bimetal leaf 231 changes dropout stroke.L polar conductors 235 pass through electrical leakage tripping device 210 Mutual inductor 211, the moving contact 610 of contact mechanism 600 passes sequentially through flexible connection 234, bimetal leaf 231,235 and of L polar conductors 700 line attachment of wire connection terminal of leading-out terminal, mutual inductor 211 can sense the electric leakage in L polar conductors 235, de- by leaking electricity Earth leakage protective is realized in the unlock of 210 trigger action mechanism 400 of buckle mechanism.

Further, the bimetal leaf 231 is placed in case interlayer 140c, double golden connection sheets 232 forming V-shape (figure 6), it includes the first connection sheet 2321 being connected and the second connection sheet 2322, and the first connection sheet 2321 is arranged on case interlayer It is fixedly connected in 140c with bimetal leaf 231,2322 camber of the second connection sheet is simultaneously arranged in striking passage 510 and static contact 620 are oppositely arranged and guide arc-chutes 520, the flash barrier of 510 both sides of striking passage into for the electric arc for producing contact mechanism 600 511 are equipped with and are equipped with and the static contact 620 of contact mechanism 600 is matched keeps away with 2322 matched arc side of the second connection sheet, opposite side Allow groove, on the premise of breaker performance is not influenced, ensure the compactedness of breaker structure, and it is double can into connection sheet 232 Enough play the role of striking, and the fixation to bimetal leaf 231 can be played, kill two birds with one stone, it is ingenious in design.

As Figure 7-8, leakage tripping device 212 includes the electric leakage dropout skeleton 2121 of tubular, in electric leakage dropout skeleton 2121 outside is equipped with electric leakage tripping coil 2122, and electric leakage tripping coil 2122 is full of case inside along thickness of shell direction, The inner side of electric leakage dropout skeleton 2121 is equipped with the dynamic iron core 2123 of electric leakage dropout and electric leakage dropout fixed core 2125 being oppositely arranged, leakage The dynamic iron core 2123 of electricity dropout is movably disposed at inner side and the electric leakage dropout of electric leakage dropout skeleton 2121 Coil 2122 coordinates, and electric leakage dropout fixed core 2125 is oppositely arranged on electric leakage and threads off dynamic iron core 2123 away from operating mechanism 400 Side and 2121 tight fit of electric leakage dropout skeleton, thread off in electric leakage and are equipped between dynamic iron core 2123 and electric leakage dropout fixed core 2125 Leak electricity dropout spring 2126, and threading off to move iron core 2123 and be equipped with close to the side of electric leakage dropout fixed core 2125 in electric leakage is used to fix The spring shaft 2126a of electric leakage dropout spring 2126, threads off close to electric leakage in electric leakage dropout fixed core 2125 and moves the one of iron core 2123 Side is equipped with the spring groove 2126b for being used for fixed electric leakage dropout spring 2126, and the edge of spring groove 2126b is equipped with chamfering, is leaking electricity The left end of the dynamic iron core 2123 of dropout is hinged with electric leakage dropout pull rod 2124, and the left end of electric leakage dropout pull rod 2124 is overlapped on tripping Coordinate on 440, electric leakage tripping coil 2122 is connected with circuit board module 213, and circuit board module 213 can be defeated when leaking electricity Go out electric current and give electric leakage tripping coil 2122, by varying the dynamic iron core 2123 of field drives electric leakage dropout of electric leakage tripping coil 2122 Electric leakage dropout pull rod 2124 is pulled, drives the bottom of tripping 440 to swing to the right and is unbuttoned with lock 430.

Further, the electric leakage dropout pull rod 2124 (Fig. 6) includes setting along dynamic 2123 moving direction of iron core of electric leakage dropout The electric leakage connecting portion 2124a at dynamic 2123 back side of iron core of threading off in electric leakage is put, and is separately positioned on electric leakage connecting portion 2124a both ends Electric leakage power part 2124b and electric leakage supporting part 2124c, electric leakage power part 2124b and electric leakage supporting part 2124c be parallel to each other and The moving direction of the dynamic iron core 2123 of electric leakage dropout is each perpendicular to, is extended from the back side of the dynamic iron core 2123 of electric leakage dropout to positive, leakage Electric power portion 2124b and the dynamic iron core 2123 of electric leakage dropout are hinged, and orthogonal leakage is equipped with the end of electric leakage supporting part 2124c Electric trigger unit 2124d, leakage trigger portion 2124d are also perpendicularly to the moving direction tripping 440 of the dynamic iron core 2123 of electric leakage dropout at the same time Direction extension, in tripping 440 be equipped with leakage trigger portion 2124d coordinate electric leakage trip shaft 442, leakage trigger portion The side overlap joint that 2124d extends to trip shaft 442 of leaking electricity coordinates, and threads off in electric leakage and moves the power part that is equipped with and leaks electricity on iron core 2123 Electric leakage hinge hole 2124e hinged 2124b, drives electric leakage dropout pull rod 2124 to thread off with electric leakage by the hinge hole 2124d that leaks electricity Dynamic iron core 212 moves.

Further, the electric leakage dropout skeleton 2121 is equipped with stop sleeve 2127 in the side close to operating mechanism 400, The dynamic iron core 2123 of electric leakage dropout is slidably matched close to one end of operating mechanism 400 and stop sleeve 2127, stop sleeve 2127 Outside diameter is less than electric leakage dropout skeleton 2121, and electric leakage can be reduced by being coordinated by stop sleeve 2127 with the dynamic iron core 2123 of electric leakage dropout The volume of buckle releaser 212, but the performance of leakage tripping device 212 will not be reduced.

Further, the stop sleeve 2127 is equipped with the gag lever post 2128 extended to operating mechanism 400, gag lever post 2128 is L-shaped, and the side that its one end is arranged in parallel in the dynamic iron core 2123 of electric leakage dropout is connected with stop sleeve 2127, and the other end hangs down Directly it is arranged on the dynamic iron core 2123 of electric leakage dropout and plays limit close to the side of operating mechanism 400, the dynamic iron core 2123 of backstop electric leakage dropout The effect of position, and in assembling, the dynamic iron core 2123 of electric leakage dropout is against gag lever post under the action of the dropout spring 2126 that leaks electricity On 2128, leakage tripping device 212 can be assembled in housing as a whole, reduce the difficulty of assembling.

Further, leakage tripping device 212 is shorter than general leakage tripping device in the length of axis direction, this can contract The length of short whole product, the electric leakage tripping coil 2122 is enameled wire loop, is uniformly wound on the electric leakage dropout skeleton 2121 outside, and the thickness direction of housing is full of the inner space of housing.

A kind of embodiment of electromagnetic release mechanism 220 as shown Fig. 4-5, electromagnetic release mechanism 220 include yoke 221 with And it is arranged on the top of yoke 221 and is equipped with and yoke 221 into the electromagnetic trip skeleton 222 of tubular, the outside of electromagnetic trip skeleton 222 Connected electromagnetic trip coil 223, the left side of electromagnetic trip coil 223 are connected with L poles input terminal 710, the right side of yoke 221 It is connected with static contact 620, iron core 224 is moved in the inner side of electromagnetic trip skeleton 222 equipped with moveable electromagnetic trip, and electromagnetic trip moves Iron core 224 is equipped with the mandril extended near the tripping 440 of operating mechanism 400, the energy when there is short circuit of electromagnetic trip coil 223 Enough driving electromagnetic trips move iron core 224 and drive the tripping 440 of mandril operating mechanism 400 to the right to move trigger action mechanism 400 Unlock, naturally it is also possible to be not provided with mandril, the solution that iron core 224 promotes 440 trigger action mechanism of tripping is directly moved by electromagnetic trip Button.

As Fig. 2,4 show a kind of embodiment of mechanism for testing 300, mechanism for testing 300 includes being arranged on operating mechanism 400 The testing button 310 and test spring 320, housing at the back side are equipped with energy storage plate 451, operating mechanism on the right side of operating mechanism 400 400 resetting spring 450 is against the left side wall of energy storage plate 451, and the right side wall of energy storage plate 451 and the side wall of housing are surrounded and tested The cavity that button 310 is slidably matched, energy storage plate 451 can play and testing button 310 limited again while fixed reset spring 450 Position and the effect being oriented to, the more compact structure of earth leakage circuit breaker.

The test spring 320 includes the fixed section 321 being connected with housing, 321 phase of electromagnetic release mechanism 220 and fixed section Arranged on left and right sides to being arranged on operating mechanism 400, fixed section 321 are arranged on right side and the leakage tripping device of operating mechanism 400 Between 212 left side, housing is equipped with the fixing axle 325 for being used for fixing fixed section 321, and being equipped with the left side of fixed section 321 can The triggering section 323 of swing, the operating mechanism 400 in triggering section 323 through left side reach the yoke 221 of electromagnetic release mechanism 220 Top coordinates, and test section 322, test section 322 and the test lead 324 through mutual inductor 211 are equipped with the right side of fixed section 321 Connection, pressing testing button 310 can promote triggering section 323 to contact the generation survey of continuity test circuit with yoke 221 to lower swing Trial signal, the corresponding electric leakage trip shaft 442 below triggering section 323, leakage are equipped with the back side of the tripping 440 of operating mechanism 400 Electric dropout pull rod 2124 is correspondingly arranged at the lower section and the right side of electric leakage trip shaft 442 of the electric leakage trip shaft 442 at 440 back side of tripping Overlap joint coordinates.

The earth leakage circuit breaker of the present invention, test spring 320 directly take electricity from yoke 221, are not only simple in structure, fill With convenient, reliable in action, and in earth leakage circuit breaker separating brake, the tripping 440 of operating mechanism 400 drives electric leakage trip shaft 442 move up, and can stop that the triggering section 323 of test spring 320 moves down, prevent maloperation continuity test circuit, can By property and security higher, in earth leakage protective device separating brake, electric leakage trip shaft 442 will not interfere with triggering section 323 and move down.

As shown in Fig. 2,4,9, the fixed section 321 is torsional spring structure and is sleeved in fixing axle 325, the test section 322 is L-shaped, it includes being arranged on positive first test department 3221 of leakage tripping device 212, and is arranged on leakage tripping device Second test department 3222 of 212 top sides, the first test department 3221 are connected with the second test department 3222, are preferably vertically connected, the The other end of one test department 3221 is connected with test lead 324, the other end of the second test department 3222 and the fixed section 321 in left side Connection, the structure of test spring 320 can be dexterously combined with circuit breaker internal structure, simple in structure, circuit is short, reliability It is high.

As shown in fig. 6, the yoke 221 is U-shaped, it includes the first yoke plate 2211 being oppositely arranged and the second yoke plate 2212, and it is connected to the 3rd yoke plate 2213 of 2212 bottom of the first yoke plate 2211 and the second yoke plate, the first yoke plate 2211 are positioned close to the side of operating mechanism 400 and triggering section 323, the electromagnetic trip skeleton 222 and electromagnetic trip coil 223 are arranged on the inner side of the first yoke plate 2211 and the second yoke plate 2212, are equipped with and avoid at the middle part of the first yoke plate 2211 Electromagnetic trip moves the first avoid holes 2214 of iron core 224, is equipped with what is coordinated with triggering section 323 in the top side of the first yoke plate 2211 Groove 2215 is triggered, triggers 2215 forming V-shape of groove, cramped construction and easy to process is equipped with and electricity at the middle part of the second yoke plate 2212 The second avoid holes 2216 that magnetic dropout skeleton 222 coordinates.

Further, the 3rd yoke plate 2213 is being equipped with the 4th yoke plate 2215 close to the side of striking passage 510, 620 forming V-shape of static contact of contact mechanism 600, its side are arranged in striking passage 510, opposite side and the 4th yoke plate 2215 It is integrally formed connection.

As Fig. 9 shows a kind of embodiment of testing button 310, testing button 310, which includes being arranged on operating mechanism 400, to be carried on the back The connecting rod 311 in face, connecting rod 311 is L-shaped, and the short side correspondence of connecting rod 311 is equipped with button head in the top of operating mechanism 400 312, the both ends that button head 312 and handle 1 are oppositely arranged on housing supply manual operation, and the long side correspondence of connecting rod 311 is operating The lower section of mechanism 400 is equipped with spring head 313 and coordinates with test spring 320, and spring head 313 is to the right side of remote operating mechanism 400 Protrusion, forms the button step 314 coordinated with housing between the top side of spring head 313 and connecting rod 311, passes through button step 314 are against on housing and can limit the extreme position that testing button 310 moves up, and prevent testing button 310 from departing from from housing Button head 312 exposes the appropriate height of housing at the same time, and the tactile with test spring 320 of forming V-shape is equipped with the bottom side of spring head 313 The button slot 315 that section 323 coordinates is sent out, triggering section 323 is against in button slot 315 and prevents from separating with testing button 310, in spring head 313 back side is equipped with the limiting slot 316 coordinated with housing, and housing is equipped with what is coordinated with limiting slot 316 in the left side of button head 313 Limiting plate 317, prevents 313 double swerve of spring head.

As a kind of specific whole implementation mode, the earth leakage circuit breaker is not increase, with FE conducting wires 740 18mm wide compact earth leakage circuit breakers, including be made of L poles protection module and N poles protection module, can be as needed, will L poles protection module is placed on the left or right side of N poles protection module, and product uses integral structure, can spell annex.

As shown in Fig. 2, the L poles include operating mechanism 400, electromagnetic release mechanism 220, striking passage 510, overlond trip Mechanism 230, arc-chutes 520 and wire connection terminal.N poles protection module passes through the N poles for passing through mutual inductor 211 without breakpoint Conducting wire 731 is connected with stretching out the N poles connector 750 outside housing, and the other end of N polar conductors 731 is connected with N poles outlet terminal 730.Institute The right side for stating operating mechanism 400 and electromagnetic release mechanism 220 is equipped with leakage tripping device 212, and the leakage tripping device 212 passes through one Electric leakage dropout pull rod 2124 carrys out the tripping 440 in pull operation mechanism 400, earth leakage circuit breaker is threaded off.The arc-chutes 520 are full of the space of case inside, to improve the reliability of disjunction 6kA.The back of the striking passage 510, overlond trip machine The space that the left side on the right side of structure 230, the downside of leakage tripping device 212 and N poles outlet terminal 730 is surrounded is equipped with wiring board group Part 213.The earth leakage circuit breaker further includes a mutual inductor 211, L polar conductors 235, N polar conductors 731 and test lead 324 are each passed through mutual inductor 211.And the L poles of circuit board module 213 take electric lead 214 and N poles to take electric lead 215 by mutual The front end of sensor 211 takes electricity, and nothing needs guiding through mutual inductor 211.The earth leakage circuit breaker further includes testing button 310 and test Spring 320, testing button 310 are arranged on the right side of handle 1, and test spring 320 controls test loop by testing button 310 Cut-off, when depressing the testing button 310, triggering section 323 and the electromagnetic release mechanism of the test spring 320 220 yoke 221 contacts, and the other end 912 is then contacted with through the test lead 324 of the mutual inductor 211.

As shown in Fig. 6,8, the leakage tripping device 212 includes electric leakage dropout skeleton 2121, electric leakage tripping coil 2122, leakage Electricity, which is threaded off, moves iron core 2123, electric leakage dropout fixed core 2125, electric leakage dropout spring 2126 and electric leakage dropout pull rod 2124, the leakage Electric buckle releaser 212 is shorter than general leakage tripping device in the length of axis direction, this can shorten the length of whole product.Institute The outside that electric leakage tripping coil 2122 is uniformly wound on the electric leakage dropout skeleton 2121 is stated, is almost filled along the width of housing Housing is expired.The electric leakage dropout fixed core 2125 and 2121 tight fit of electric leakage dropout skeleton, are arranged on electric leakage dropout skeleton 2121 inner side, the side away from the operating mechanism 400.The electric leakage, which threads off to move iron core 2123 and be arranged on to leak electricity actively, to be taken off The inner side of skeleton 2121 is detained, close to a side of the operating mechanism 400.The electric leakage threads off to move is equipped with spring shaft on the right side of iron core 2123 2126a, one end of the electric leakage dropout spring 2126 are sleeved on the electric leakage and thread off on the spring shaft 2126a for moving iron core 2123, and The other end is then attached on electric leakage dropout fixed core 2125.A shaft line direction is additionally provided with the dynamic iron core 2123 of electric leakage dropout to hang down Straight electric leakage hinge hole 2124e, the electric leakage power part 2124b of described 2124 one end of electric leakage dropout pull rod passes through the electric leakage to thread off The electric leakage hinge hole 2124e of dynamic iron core 2123, is moved, the electric leakage of the other end is touched with the movement of the dynamic iron core 2123 of electric leakage dropout Hair portion 2124d is then near the electric leakage trip shaft 442 of the tripping 440 in the operating mechanism 400.The electric leakage dropout skeleton 2121 left sides are additionally provided with the gag lever post 2128 of L-shaped protrusion, thread off when electric leakage and move iron core 2123, electric leakage dropout spring 2126, leakage After electric dropout fixed core 2125 is sequentially loaded into 2121 inner side of electric leakage dropout skeleton, due to the effect of spring force, the electric leakage is threaded off Dynamic iron core 2123 is against on gag lever post 2128, will not be dropped from 2121 inner side of electric leakage dropout skeleton, but it is de- not influence the electric leakage The rotation of iron core 2123 is pulled, can be by the overall step for loading, simplifying assembling of the leakage tripping device 212 so in assembling Suddenly.

As shown in Fig. 9,10, the button slot 315 of V-arrangement arranged at the bottom of institute's testing button 310, test spring during assembling The triggering section 323 of 320 one end is against in button slot 315, through the bottom of the operating mechanism 400, is reached close to the electromagnetism 221 upper end of yoke of tripping mechanism 220, and the test section 322 of the other end then with the test lead through the mutual inductor 211 324 link together.310 bottom of testing button is additionally provided with a limiting slot 316 and a button step on the face of shell 314, the effect of limiting slot 316 is to limit the movement of 310 left and right directions of testing button, and the effect of button step 314 is The extreme position that can be moved upwards to testing button 310 is any limitation as.During normal work, the testing button 310 is by the survey The effect of spring 320 is tried, button step 314 supports on the shell, and the button head 312 at such top of testing button 310 is just exposed at Hull outside has certain height.When pressing testing button 310, the triggering section 323 of 320 one end of the test spring is with survey Try the movement of button 310 and down move together, contacted with the yoke 221, to achieve the purpose that test loop is connected.

As shown in figure 4, the operating mechanism 400, including mechanism rotation axis 410, main lever 420, main spring 470, lock 430th, tripping 440, double golden pull rod 236, limited part 460 and resetting springs 450.The front of the tripping 440 has an overload to take off Button hole 441, one end of double golden pull rods 236 are inserted in the overlond trip hole 441 of the tripping 440, and the other end lean against it is double The right side of sheet metal 231.There are a raised electric leakage trip shaft 442, the overlond trip hole 441 in the back side of the tripping 440 It is arranged concentrically with electric leakage trip shaft 442.The raised electric leakage trip shaft 442 of the tripping 440 is just in the electrical leakage tripping device The right side of electric leakage dropout pull rod 2124 in 210, and trigger the lower section of section 323 in the test spring 320 wherein one.The tripping The effect of 440 raised electric leakage trip shafts 442 has three：(1) when circuit has electric leakage, leaking electricity in by the leakage tripping device 212 takes off The effect of pull rod 2124 is detained, allows operating mechanism 400 to unbutton to cut off the effect of circuit protection life safety；(2) since double gold are drawn Bar 236 is leaned against on bimetal leaf 231, is the overlond trip hole 441 of the plastic part tripping 440 and protrusion with strong voltage Electric leakage trip shaft 442 can play insulating effect, and the electric leakage for preventing from bringing strong voltage in the electrical leakage tripping device 210 is threaded off Pull rod 2124, in order to avoid electrical leakage tripping device 210 is impacted；(3) during product gate-dividing state, because of the raised electric leakage trip shaft 442 spacing effects, prevent because of human operational error, press testing button 310 and are connect so that testing spring 320 with yoke 221 Touch and connect circuit, under "on" position, the raised electric leakage trip shaft 442 does not influence to test the movement of spring 320.

As shown in Fig. 2, the circuit board module 213, big component is placed on the mistake in the circuit board module 213 Carry on the right side of tripping mechanism 230, the space that the downside of leakage tripping device 212 and the left side of N poles outlet terminal 730 are surrounded, and small electricity Resistance class component is placed on 510 back of striking passage, and the circuit board module 213 includes three a diameter of D7 into the connection of Y types Front end it is pressure-sensitive, can so take the space of smaller.

As shown in figure 3,510 both sides of striking passage are equipped with fixed flash barrier 511 on the shell, and flash barrier 511 be gas exhausted material, and second be placed in the static contact 620 and overlond trip mechanism 230 on the right side of electromagnetic tripping apparatus 220 connects Between contact pin 2322, shape is roughly the same therewith.The afterbody of the arc-chutes 520 is equipped with a trapping muscle 522 and outlet Passage 523 and outlet lower channel 524.The trapping muscle 522 is located at the centre position of 520 afterbody of arc-chutes, and effect is by air-flow Separate, be divided into two strands of gas up and down.Described two outlet upper channels 523 and outlet lower channel 524, one is located at the arc-chutes 520 afterbody upper ends, are discharged from 710 upper end of L poles input terminal；Another is located at the 520 afterbody lower end of arc-chutes, under product Discharged in the gap of portion's retainer 130.The advantage of the invention is that housing only 18mm wide, does not increase, using integral structure, volume Constant current maximum 40A, breaking capacity reach 6kA, and Electromagnetic Compatibility meets that electric leakage can reliably take off when standard requirement and 50V voltages Button.

The leakage tripping device 212 is arranged on the right side of operating mechanism 400, and behaviour is pulled by leaking electricity dropout pull rod 2124 Make the electric leakage trip shaft 442 of tripping 440 in mechanism 400, unbutton operating mechanism 400, leakage tripping device 212 includes electric leakage and threads off Skeleton 2121, electric leakage tripping coil 2122, electric leakage, which are threaded off, moves iron core 2123, electric leakage dropout fixed core 2125, electric leakage dropout spring 2126 and electric leakage dropout pull rod 2124.The electric leakage tripping coil 2122 is uniformly wound on the outer of the electric leakage dropout skeleton 2121 Side.The electric leakage dropout fixed core 2125 is arranged on the interior of electric leakage dropout skeleton 2121 with 2121 tight fit of dropout skeleton of leaking electricity Side, the side away from the operating mechanism 400.The electric leakage thread off dynamic iron core 2123 it is active be arranged on electric leakage dropout skeleton 2121 inner sides, close to a side of the operating mechanism 400.The electric leakage threads off to move is equipped with spring shaft 2126a on the right side of iron core 2123, One end of the electric leakage dropout spring 2126 is sleeved on the electric leakage and threads off on the spring shaft 2126a for moving iron core 2123, and the other end It is attached on electric leakage dropout fixed core 2125.The electric leakage threads off to move is additionally provided with the vertical electric leakage in a shaft line direction on iron core 2123 Hinge hole 2124e, one end of the electric leakage dropout pull rod 2124 is threaded off through the electric leakage moves the electric leakage hinge hole of iron core 2123 2124e, is moved, the other end then tripping 440 in the operating mechanism 400 with the movement of the dynamic iron core 2123 of electric leakage dropout Near trip shaft 442 of leaking electricity.The electric leakage dropout skeleton 2121 is additionally provided with a L-shaped gag lever post 2128, threads off when electric leakage and moves iron core 2123rd, after electric leakage dropout spring 2126, electric leakage dropout fixed core 2125 are sequentially loaded into 2121 inner side of electric leakage dropout skeleton, by leaking electricity The effect of dropout spring 2126, the dynamic iron core 2123 of electric leakage dropout are against on the L-shaped gag lever post 2128, will not be de- from electric leakage 2121 inner side of button skeleton is dropped, but does not influence the rotation of the dynamic iron core 2123 of electric leakage dropout.

The dynamic iron core 2123 of electric leakage dropout is acted on by electric leakage 2126 pressure of dropout spring during normal work, is against electric leakage and is threaded off On the L-shaped gag lever post 2128 of skeleton 2121, the electric leakage trip shaft 442 of one end of the dropout pull rod 2124 that leaks electricity at this time in tripping 440 Near, distance about 1mm.When circuit produces certain leakage current, the electric leakage in disengaging deivce of earth leakage 1 thread off dynamic iron core 2123 by The effect of electromagnetic force, drives electric leakage dropout pull rod 2124 to be moved together to the direction of electric leakage dropout fixed core 2125, pulls tripping 440 protrusion 211, unbuttons operating mechanism 400, cuts off circuit, protects life property safety.The advantage of the invention is that structure Modularization, assembling is simple, and detachably, can meet electric leakage energy action message during 50V voltages, be the operation machine that allowed by way of drawing Structure 400 is unbuttoned.

The mechanism for testing 300 includes testing button 310, test spring 320 and the test lead through mutual inductor 211 324, the testing button 310 is arranged on the right side of handle 1.The test spring 320 is controlled by the testing button 310 Test loop is cut-off.When product is under "on" position, tests under 320 free state of spring, the one of the test spring 320 In the button slot 315 for holding " V-arrangement " that is against the testing button 310, the yoke 221 with electromagnetic release mechanism 220 is disconnected at this time Open, and the other end is then contacted with through the test lead 324 of the mutual inductor 211.When pressing the testing button 310, It is described test spring 320 one end can be moved with the movement of testing button 310, finally with the electromagnetic release mechanism 220 Yoke 221 contact, the other end then remains unchanged, and is contacted with through the test lead 324 of the mutual inductor 211, test loop Connect.When unclamping testing button 310, the effect of 320 reset force of tested person spring, testing button 310 is upspring, is tested at the same time One end 21 of spring 320 is disconnected with yoke 221.When product is under gate-dividing state, if human error press it is described test by Button 310, the electric leakage trip shaft 442 in the tripping 440 of operating mechanism 400 can limit test spring 320 and move downward, can prevent The turning circuit because of human error.

The button slot 315 of V-arrangement arranged at the bottom of the testing button 310, and one end of the test spring 320 is against during assembling In the button slot 315 of the V-arrangement of the testing button 310, through the bottom of the operating mechanism 400, reach close to the electromagnetism Near 221 upper end of yoke of tripping mechanism 220, and the other end through the test lead 324 of the mutual inductor 211 then with being connected to Together.310 bottom of testing button is additionally provided with limiting slot 316 and button step 314, limiting slot 316 on the face of shell Effect be to limit the movement of 310 left and right directions of testing button, and the effect of button step 314 is to testing button 310 The extreme position that can be moved upwards is any limitation as.During normal work, work of the testing button 310 by the test spring 320 With button step 314 supports on the shell, and the button head 312 of such testing button 310, which is just exposed at outside product, certain height Degree.When pressing testing button 310, the test spring 320 down moves together with the movement of testing button 310, with The yoke 221 contacts, to achieve the purpose that test loop is connected.

Above content is that a further detailed description of the present invention in conjunction with specific preferred embodiments, it is impossible to is assert The specific implementation of the present invention is confined to these explanations.For general technical staff of the technical field of the invention, On the premise of not departing from present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the present invention's Protection domain.

Claims

1. a kind of earth leakage circuit breaker, including housing, in the housing equipped with contact mechanism (600), with contact mechanism (600) even The operating mechanism (400) connect, the electrical leakage tripping device (210) being connected with operating mechanism (400), and arc-chutes (520) and company The striking passage (510) being connected between arc-chutes (520) and contact mechanism (600), operating mechanism (400) can be with moving contact machines The moving contact (610) of structure (600) swings and is contacted with static contact (620), and electrical leakage tripping device (210) connects with operating mechanism (400) Connect, electrical leakage tripping device (210) in line electrical leakage can trigger action mechanism (400) unlock, it is characterised in that：Electric leakage is threaded off Mechanism (210) includes circuit board module (213) and the mutual inductor (211) being connected with circuit board module (213) and electric leakage is threaded off Device (212), circuit board module (213) are arranged on the side of striking passage (510) along thickness of shell direction.

2. earth leakage circuit breaker according to claim 1, it is characterised in that：Further include and coordinate with operating mechanism (400) Overlond trip mechanism (230), and the L poles outlet terminal (720) being connected with overlond trip mechanism (230), overlond trip machine Structure (230) is arranged on the right side of striking passage (510), in striking passage (510) and overlond trip mechanism (230) along thickness of shell The side in direction, the lower section of leakage tripping device (212), surround receiving circuit board module on the left of L poles outlet terminal (720) (213) space.

3. earth leakage circuit breaker according to claim 1, it is characterised in that：The arc-chutes (520) are arranged on striking The same side of passage (510) and circuit board module (213), arc-chutes (520) are interior to be equipped with arc extinguishing grid pieces (521), arc-chutes (520) The madial walls of both sides and thickness of shell direction both sides offset.

4. earth leakage circuit breaker according to claim 3, it is characterised in that：The side of the arc extinguishing grid pieces (521) is set There is an arc extinguishing notch (528) being oppositely arranged with striking passage (510), arc extinguishing notch (528) is located at arc extinguishing grid pieces (521) close to drawing The side of arc passage (510), the opening of arc extinguishing notch (528) is from the lateral arc extinguishing grid pieces (521) close to arc extinguishing grid pieces (521) Middle part extension.

5. earth leakage circuit breaker according to claim 4, it is characterised in that：Arc extinguishing notch (528) forming V-shape, institute Stating arc extinguishing grid pieces (521) includes the case arc extinguishing arm (526) that is correspondingly arranged with striking passage (510), and with base interlayer (140a) corresponding base arc extinguishing arm (527), the size of base arc extinguishing arm (527) are more than case arc extinguishing arm (526), and case Arc extinguishing arm (526) and base arc extinguishing arm (527) are equipped with parallel respectively with offseting on the inside of housing on base arc extinguishing arm (526) The base contained side (528a) of electric arc moving direction in striking passage (510), is equipped with to favour and draws on case arc extinguishing arm (527) The case contained side (528b) of electric arc moving direction in arc passage (510).

6. earth leakage circuit breaker according to claim 3, it is characterised in that：Housing is in arc-chutes (520) away from striking The side of passage (510) is equipped with trapping muscle (522), forms outlet upper channel (523) respectively in the both sides of trapping muscle (522) and goes out Gas lower channel (524), outlet upper channel (523) are connected with the left end of housing, and L poles input terminal is equipped with the left end of housing (710), outlet lower channel (524) is connected with the bottom side of housing, and retainer (130) is equipped with the bottom side of housing.

7. according to any earth leakage circuit breakers of claim 1-6, it is characterised in that：Further include partition plate (140), partition plate (140) middle part is equipped with partition muscle (140d), and partition muscle (140) will be divided into the first partition portion on the left of partition plate (140) (141), the second partition portion (142) will be divided on the right side of partition plate (140), the first partition portion (141) is arranged on striking passage (510) between circuit board module (213), the second partition portion (142) is equipped with overlond trip mechanism (230).

8. earth leakage circuit breaker according to claim 7, it is characterised in that：The back side of the first partition portion (141) Equipped with the longitudinal direction partition muscle (1411a) coordinated with arc-chutes (520), housing assist side component (213) and arc-chutes (520) it Between be equipped with the longitudinal side plate (1411) coordinated with longitudinal direction partition muscle (1411a), indulge in longitudinally partition muscle (1411a) and longitudinal side plate (1411) it is equipped with reinforcing rib (1411b) towards the side of arc-chutes (520)；Second partition portion (142) positive right side is equipped with the Two longitudinal direction partition muscle (1468), second longitudinal direction partition muscle (1468) and the right end of circuit board module (213) coordinate, in second longitudinal direction Separate the space of bimetal leaf formed below (231) wiring of muscle (1468), in the upper square of second longitudinal direction partition muscle (1468) The avoiding space swung into bimetal leaf (231).

9. earth leakage circuit breaker according to claim 7, it is characterised in that：Housing includes base (110) and case (120), the back side of first partition portion (141) left end is equipped with the longitudinal direction partition muscle (1411a) coordinated with arc-chutes (520), base (110) longitudinal side plate coordinated with longitudinal direction partition muscle (1411a) is equipped between assist side component (213) and arc-chutes (520) (1411), in longitudinally partition muscle (1411a) and longitudinal side plate (1411) reinforcing rib is equipped with towards the side of arc-chutes (520) (1411b)；The contact mechanism that the front on first partition portion (141) top is formed with moving contact (610) and static contact (620) (600) coordinate, the fixing lug boss (143) coordinated with static contact (620) is equipped with the left side on first partition portion (141) top, it is right Side is equipped with the positive stop lug boss (144) coordinated with the moving contact (610) of contact mechanism (600), and middle part is in fixing lug boss (143) and limit The guide ledges (145) of the camber coordinated with moving contact (610) are equipped between position boss (144)；Push up in the first partition portion (141) The back side at end is equipped with the horizontal partition muscle (1412a) coordinated with housing, and be connected to laterally partition muscle (1412a) and longitudinal direction every The connection partition muscle (1413a) of vertex between disconnected muscle (1411a), connection partition muscle (1413a) camber are set for avoidance The electromagnetic release mechanism (220) above the first partition portion (141) is put, base (110) is equipped with the back side of contact mechanism (600) With the horizontal side plate (1412) that laterally partition muscle (1412a) coordinates, and the connecting lateral plate coordinated with being connected partition muscle (1413a) (1413)；The back side of first partition portion (141) bottom is not provided with partition muscle, directly coordinates with the side wall below base (110)；The The front of one partition portion (141) bottom is equipped with second and laterally separates muscle (1461), and the right side of muscle (1461) is laterally separated second The striking boss (1462) coordinated equipped with double golden connection sheets (232) with overlond trip mechanism (230), striking boss (1462) Right side is connected with partition muscle (140d), and being equipped with fixed double gold with the junction of partition muscle (140d) in striking boss (1462) is connected The fixed groove (1463) of piece (232)；The bottom in the second partition portion (142) is equipped with the second connection and separates muscle (1464), and second connects Connect the left end camber of partition muscle (1464) and positive with first partition portion (141) bottom second laterally separates muscle (1461) even Connect, the right end of the second connection partition muscle (1464) is equipped with adjustment fixed block (1465)；The top side at second partition portion (142) back side is set There is a 3rd horizontal partition muscle (1466), the 3rd laterally left end of partition muscle (1466) and first partition portion (141) top back side Laterally partition muscle (1412a) connection, the 3rd limited block (1467) laterally separated in the right end and housing of muscle (1466) coordinate；The Two partition portion (142) positive right sides are equipped with second longitudinal direction partition muscle (1468), second longitudinal direction partition muscle (1468) and wiring board The right end of component (213) coordinates, and the space of bimetal leaf formed below (231) wiring of muscle (1468) is separated in second longitudinal direction, The avoiding space that bimetal leaf (231) is swung is formed in the top of second longitudinal direction partition muscle (1468).

10. according to any earth leakage circuit breakers of claim 1-6, it is characterised in that：Further include overlond trip mechanism (230), overlond trip mechanism (230) includes bimetal leaf (231), the top of bimetal leaf (231) by flexible connection (234) with Moving contact (610) connects, and is equipped with the tripping (440) of operating mechanism (400) and overlaps cooperation with the top of bimetal leaf (231) Double golden pull rods (236)；The bottom of bimetal leaf (231) is fixedly connected with double golden connection sheets (232), double gold connection sheets (232) Including connected the first connection sheet (2321) and the second connection sheet (2322), the first connection sheet (2321) is arranged on striking passage (510) it is oppositely arranged in static contact (620), the second connection sheet (2322) is arranged on one end and double gold in case interlayer (140c) Belong to piece (231) bottom to be fixedly connected, the other end is fixedly connected with the second connection sheet (2322).