CN207883638U - Earth leakage circuit breaker - Google Patents

Earth leakage circuit breaker Download PDF

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Publication number
CN207883638U
CN207883638U CN201721721074.XU CN201721721074U CN207883638U CN 207883638 U CN207883638 U CN 207883638U CN 201721721074 U CN201721721074 U CN 201721721074U CN 207883638 U CN207883638 U CN 207883638U
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CN
China
Prior art keywords
tripping
trip
leakage
operating mechanism
test
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CN201721721074.XU
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Chinese (zh)
Inventor
张慎虎
潘东强
葛伟骏
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Zhejiang Chint Electrics Co Ltd
Shanghai Dianke Electrical Technology Co Ltd
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Zhejiang Chint Electrics Co Ltd
Shanghai Dianke Electrical Technology Co Ltd
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Application filed by Zhejiang Chint Electrics Co Ltd, Shanghai Dianke Electrical Technology Co Ltd filed Critical Zhejiang Chint Electrics Co Ltd
Priority to CN201721721074.XU priority Critical patent/CN207883638U/en
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Publication of CN207883638U publication Critical patent/CN207883638U/en
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Abstract

A kind of earth leakage circuit breaker,Include the contact mechanism of shell and setting in the housing,Operating mechanism,Electrical leakage tripping device,Electromagnetic release mechanism,Mechanism for testing and handle,Operating mechanism can swing with the moving contact of dynamic contact mechanism and be contacting and separating with static contact,Electrical leakage tripping device and electromagnetic release mechanism respectively being capable of the unlocks of trigger action mechanism in line electrical leakage and short circuit,Mechanism for testing includes the testing button being arranged on the right side of operating mechanism and test spring,It includes the fixed section being connect with shell to test spring,Electromagnetic release mechanism and fixed section are oppositely arranged on a left side for operating mechanism,Right both sides,It is equipped with test section on the right side of fixed section,Test section is connect with the test lead across mutual inductor,It is equipped with swingable triggering section in the left side of fixed section,Operating mechanism of the triggering section across left side reaches the top of the yoke of electromagnetic release mechanism,Testing button can push triggering section to be contacted to lower swing with yoke and generate test signal,Electricity need not be taken from circuit board module.

Description

Earth leakage circuit breaker
Technical field
The utility model is related 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.But what the test loop of the mechanism for testing of existing earth leakage circuit breaker usually required to be arranged from wiring board leads Electric part takes electricity, not only complicated, number of parts is more, cabling is complicated, assembly is difficult, and conducting wire be also easy it is disconnected, reliability compared with Difference.
Invention content
The purpose of the utility model is to overcome the defects of the prior art, provide a kind of leakage simple in structure, reliability is high Electric protection breaker.
To achieve the above object, the utility model uses following technical solution：
A kind of earth leakage circuit breaker, including shell and setting contact mechanism 600 in the housing, operating mechanism 400, Electrical leakage tripping device 210, electromagnetic release mechanism 220, mechanism for testing 300 and handle 1, operating mechanism 400 can be with moving contact machines The swing of moving contact 610 of structure 600 is contacting and separating with static contact 620, and electrical leakage tripping device 210 and electromagnetic release mechanism 220 divide Not line electrical leakage and short circuit when can trigger action mechanism 400 unlock, mechanism for testing 300 include be arranged in operating mechanism 400 The testing button 310 and test spring 320 on right side, test spring 320 includes the fixed section 321 being connect with shell, electromagnetic trip Mechanism 220 and fixed section 321 are oppositely arranged on the arranged on left and right sides of operating mechanism 400, and test is equipped on the right side of fixed section 321 Section 322, test section 322 are connect with the test lead 324 across mutual inductor 211, are equipped in the left side of fixed section 321 swingable Triggering section 323, triggering section 323 pass through left side operating mechanism 400 reach electromagnetic release mechanism 220 yoke 221 top, Testing button 310 can push triggering section 323 to be contacted to lower swing with yoke 221 and generate test signal.
Optionally, the back side of the tripping 440 of operating mechanism 400 is equipped with the corresponding electric leakage trip shaft below triggering section 323 442, in earth leakage circuit breaker separating brake, the tripping 440 of operating mechanism 400 drives electric leakage trip shaft 442 to move up, and stops The triggering section 323 of test spring 320 moves down the test loop that misleads.
Optionally, the electrical leakage tripping device 210 and electromagnetic release mechanism 220 are oppositely arranged on the two of operating mechanism 400 Side, is equipped with overlond trip mechanism 230 between operating mechanism 400 and electrical leakage tripping device 210, and electrical leakage tripping device 210 includes Mutual inductor 211, leakage tripping device 212 and circuit board module 213, fixed section 321 are arranged in the right side of operating mechanism 400 and leakage Between the left side of electric buckle releaser 212.
Optionally, the fixed section 321 is torsional spring, and shell is equipped with the fixing axle 325 for fixing fixed section 321, Gu Determine section 321 to be sleeved in fixing axle 325, the test section 322 is L-shaped comprising setting is in leakage tripping device 212 positive the One test department 3221, and the second test department 3222 in 212 top side of leakage tripping device, the first test department 3221 and second are set Test department 3222 connects, and the other end of the first test department 3221 connect with test lead 324, the second test department 3222 it is another End is connect with the fixed section 321 in left side.
Optionally, the leakage tripping device 212 and overlond trip mechanism 230 pass through 2124 He of dropout pull rod of leaking electricity respectively Double gold pull rods 236 are connect with the tripping 440 of operating mechanism 400, and electric leakage dropout pull rod 2124 is correspondingly arranged at 440 back side of tripping The lower section for trip shaft 442 of leaking electricity and the right side overlap joint of electric leakage trip shaft 442 coordinate, and are equipped in the front of tripping 440 and are drawn with double gold The hinged overlond trip hole 441 of bar 236, overlond trip hole 441 are coaxially disposed with electric leakage trip shaft 442.
Optionally, the yoke 221 is U-shaped comprising the first yoke plate 2211 being oppositely arranged and the second yoke plate 2212, and it is connected to the third yoke plate 2213 of 2212 bottom end of the first yoke plate 2211 and the second yoke plate, in the first yoke The inside of plate 2211 and the second yoke plate 2212 is equipped with the electromagnetic trip skeleton 222 at tubular, the outside of electromagnetic trip skeleton 222 Equipped with the electromagnetic trip coil 223 being connected with yoke 221, the inside of electromagnetic trip skeleton 222 is equipped with moveable electromagnetic trip Dynamic iron core 224.
Optionally, the middle part of first yoke plate 2211 is equipped with the first avoid holes of evacuation electromagnetic trip dynamic iron core 224 2214, the triggering slot 2217 coordinated with triggering section 323 is equipped in the top side of the first yoke plate 2211, in the second yoke plate 2212 Middle part is equipped with the second avoid holes 2216 coordinated with electromagnetic trip skeleton 222.
Optionally, the testing button 310 includes the connecting rod 311 being arranged on 400 right side of operating mechanism, connecting rod 311 L-shaped, the short side of connecting rod 311 is corresponded to is equipped with button head 312 in the top of operating mechanism 400, and the long side of connecting rod 311 corresponds to Spring head 313 is equipped in the lower section of operating mechanism 400 with test spring 320 to coordinate, spring head 313 is to far from operating mechanism 400 Right side protrusion, between the top side of spring head 313 and connecting rod 311 formed with shell cooperation button step 314, in spring First 313 bottom side is equipped with the button slot 315 of forming V-shape coordinated with triggering section 323, is equipped with and shell at the back side of spring head 313 The limiting slot 316 of cooperation, shell are equipped with the limiting plate 317 coordinated with limiting slot 316 in the left side of button head 312.
Optionally, the operating mechanism 400 includes the rotary shaft 410 being fixedly connected with the casing, and is pivoted on rotation The right side of main lever 420 in shaft 410,420 top of main lever is equipped with resetting spring 450, and bottom end is dynamic with contact mechanism 600 Contact 610 connects, pivotally mounted on main lever 420 to have main spring 470, lock 430 and tripping 440, lock 430 to pass through left side Connecting rod 11 is hinged with handle 1, and tripping 440 is arranged in the lower section of lock 430, and top and 430 overlap joint of lock of tripping 440 coordinate, Bottom end is equipped with electric leakage trip shaft 442 and overlond trip hole 441, and limited part 460 is equipped at the back side of tripping 440.
Optionally, including yoke 221 and the electricity above yoke 221 at tubular is arranged in the electromagnetic release mechanism 220 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 is de- The left side of fastening wire circle 223 is connect with the poles L input terminal 710, and the right side of yoke 221 is connect with static contact 620, electromagnetic trip skeleton 222 inside is equipped with moveable electromagnetic trip dynamic iron core 224；The overlond trip mechanism 230 includes bimetal leaf 231, double The bottom end of sheet metal 231 is fixedly connected with double golden connection sheets 232, and the top of bimetal leaf 231 is taken with double golden pull rods 236 Cooperation is connect, and is connect with the moving contact 610 of contact mechanism 600 by flexible connection 234.
Optionally, the operating mechanism 400 is arranged in the top of the moving contact 610 of contact mechanism 600, operating mechanism 400 The left side on top is equipped with connected handle 1, and the right side on top is equipped with energy storage plate 451, and the resetting spring 450 of operating mechanism 400 supports In the left side wall of energy storage plate 451, the right side wall of energy storage plate 451 and the side wall of shell are surrounded to be slidably matched with testing button 310 The left side of cavity, 400 bottom end of operating mechanism is equipped with electromagnetic release mechanism 220, and striking channel is equipped in the lower section of moving contact 610 510, the setting of static contact 620 of contact mechanism 600 is connect in striking channel 510 with electromagnetic release mechanism 220, in striking channel 510 left side is equipped with connected arc-chutes 520, and the poles L being connected with electromagnetic release mechanism 220 are equipped in the left side of arc-chutes 520 The right side of input terminal 710, striking channel 510 is equipped with overlond trip mechanism 230, the leakage tripping device of electrical leakage tripping device 210 212 are arranged on the top on 230 right side of overlond trip mechanism, and the mutual inductor 211 of electrical leakage tripping device 210 is arranged in overlond trip The bottom end on 230 right side of mechanism, the right end of the circuit board module 213 of electrical leakage tripping device 210 are correspondingly arranged at leakage tripping device 212 Lower section, the middle part of circuit board module 213 is correspondingly arranged at the back side of overlond trip mechanism 230, the left end of circuit board module 213 It is correspondingly arranged at the back side in striking channel 510, the right side of arc-chutes 520, the outlet of the poles L is equipped on the right side of leakage tripping device 212 Terminal 720 and the poles N outlet terminal 730, in the poles L, the lower section of outlet terminal 720 and the poles N outlet terminal 730 is equipped with FE conducting wires 740, It is equipped with the poles N connector 750 in the lower section of FE conducting wires 740, the poles N outlet terminal passes through N polar conductors 731 across mutual inductor 211 and the poles N Connector 750 connects, and the poles L outlet terminal 720 is arranged at the back side of the poles N outlet terminal 730, by across the poles L of mutual inductor 211 Conducting wire 235 is connect with overlond trip mechanism 230, yoke 221 third yoke plate 2213 close to the one of striking channel 510 Side is equipped with the 4th yoke plate 2215,620 forming V-shape of static contact of contact mechanism 600, and one side is arranged in striking channel 510, The other side is integrally formed with the 4th yoke plate 2215 and connects.
The earth leakage circuit breaker of the utility model, the conduction that test spring 320 need not be arranged from circuit board module Part takes electricity, directly takes electricity from yoke 221, is not only simple in structure, cabling is succinct, easy to assembly, conducting wire is firmer reliable.This Outside, in earth leakage circuit breaker separating brake, the tripping 440 of operating mechanism 400 drives electric leakage trip shaft 442 to move up, can The triggering section 323 of blocking test spring 320 moves down, and prevents maloperation continuity test circuit.In addition, electric leakage trip shaft 442 It can not only coordinate with mechanism for testing 300 and play the role of limit, it can also be with the electric leakage dropout pull rod of leakage tripping device 212 2124 cooperations, while the overlond trip hole 441 by being coaxially disposed at 440 back side of tripping can prevent the strong of double golden pull rods 236 Electricity interference electric leakage dropout pull rod 2124, it is interior in a limited space to play reliable insulating effect, it kills three birds with one stone, it is ingenious in design.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model earth leakage circuit breaker；
Fig. 2 is the schematic diagram of component placement in the utility model earth leakage circuit breaker shell；
Fig. 3 is the sectional view of the utility model earth leakage circuit breaker；
Fig. 4 is the structural schematic diagram of the utility model operating mechanism, mechanism for testing, electromagnetic release mechanism and mutual inductor；
Fig. 5 is the partial enlarged view of Fig. 2；
Fig. 6 is the utility model operating mechanism, mechanism for testing, electromagnetic release mechanism, leakage tripping device and overlond trip machine The structural schematic diagram of structure；
Fig. 7 is the schematic diagram of the utility model leakage tripping device and tripping cooperation；
Fig. 8 is the sectional view figure of the utility model leakage tripping device；
Fig. 9 is the cooperation schematic diagram of the utility model mechanism for testing and electromagnetic release mechanism；
Figure 10 is the structural schematic diagram of the utility model testing button；
Figure 11 is the structural schematic diagram of the utility model membrane front face；
Figure 12 is the structural schematic diagram at the utility model partition board back side.
Specific implementation mode
Below in conjunction with the embodiment that attached drawing 1 to 12 provides, the earth leakage circuit breaker of the utility model is further illustrated Specific implementation mode.The earth leakage circuit breaker of the utility model is not limited to the following description, described in embodiment Left side, right 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 the earth leakage circuit breaker of the utility model comprising pedestal 110 and cover The shell that shell 120 forms, and the poles L protection module in the housing and the poles N protection module are set, it can be as needed by the poles L Protection module is arranged in the left or right side of the poles N protection module, and using the integral structure that do not increase, case width only has 18mm, rated current maximum 40A, breaking capacity reach 6kA, and Electromagnetic Compatibility meets that standard requires and whens 50V voltages leaks electricity energy It is reliable to thread off, and attachment can be spliced.
The poles L 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 is including arc-chutes 520 and is connected to arc-chutes 520 and contact mechanism 600 Between striking channel 510, arc extinguishing grid pieces 521 are equipped in arc-chutes 520, static contact 620 is arranged in striking channel 510, moves Contact 620 swings in striking channel 510 and is contacted with static contact 620, and striking channel 510 generates when acting contact mechanism 600 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 improve contact breaking capacity, improve reliability and the safety of breaker.
The poles L protection module further includes capableing of the tripping mechanism of the unlock of trigger action mechanism 400 when circuit breaks down, and is taken off Buckle mechanism generally includes electrical leakage tripping device 210, electromagnetic release mechanism 220 and overlond trip mechanism 230, electrical leakage tripping device 210, 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 detached with static contact 620, and to realize tripping, mechanism for testing is equipped on the right side of operating mechanism 400 300, mechanism for testing 300 can analog line leak electricity, test electrical leakage tripping device 210 reliably electric leakage can be made to protect in time Circuit breaker trip is protected, to prevent the failure of electrical leakage tripping device 210 but line attachment, cannot achieve the guarantor to property and personal safety Shield.
The electrical leakage tripping device 210 and electromagnetic release mechanism 220 of the utility model are oppositely arranged on operating mechanism 400 Arranged on left and right sides, electromagnetic release mechanism 220 are arranged between the lower section of handle 1 and the top of arc-extinguishing mechanism 500, overlond trip machine Structure 230 is arranged between electrical leakage tripping device 210 and operating mechanism 400, is set in the left end of shell, the left side of arc-extinguishing mechanism 500 There is the poles the L input terminal 710 being connected with electromagnetic release mechanism 220, the poles L input terminal 710 with firewire for connecting, electromagnetic trip Mechanism 220 is electrically connected with the poles L input terminal 710, and the outlet of the poles L is equipped on the right end of shell, the right side of electrical leakage tripping device 210 Terminal 720, the poles L outlet terminal 720 are connect with firewire, and L polar conductors 235 are connect with the poles L outlet terminal 720, and L polar conductors 235 are worn It is connect with overlond trip mechanism 230 after crossing the mutual inductor 211 of electrical leakage tripping device 210.
The poles N protection module is without breakpoint comprising the poles the N leading-out terminal in shell right end, 720 side of the poles L outlet terminal is arranged The son poles 730, N outlet terminal 730 with zero curve for connecting, and N polar conductors 731 are connect with the poles N outlet terminal 730, N polar conductors 731 It is connect with the poles the N connector 750 of lower section across the mutual inductor 211 of electrical leakage tripping device 210；In the poles L, the lower section of outlet terminal 720 is also Equipped with FE conducting wires 740, one end of FE conducting wires 740 is connect with circuit board module 213, the other end and external connection, even if zero curve is disconnected 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 circuit board group Part 213, mutual inductor 211 and leakage tripping device 212 are arranged to be connected on the right side of arc-extinguishing mechanism 500 and respectively with circuit board module 213 Connect, mutual inductor 211 sensed leakage current by when, circuit board module 213 receives the dynamic leakage of electric leakage inductive signal rear-guard Electric buckle releaser 212 unlocks operating mechanism 400, and circuit board module 213 is arranged along thickness of shell direction the one of striking channel 510 Side, shell are equipped with the pedestal interlayer 140a for accommodating circuit board module 213, pedestal 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 utility model, by being equipped at the back side of arc-extinguishing mechanism 500 for accommodating wiring board Circuit board module 213 is arranged along thickness of shell direction in the side in striking channel 510 the pedestal interlayer 140a of component 213, It does not influence under the premise of reducing product performance, effectively reduces earth leakage circuit breaker volume, meet earth leakage protective electricity The development trend of road device market miniaturization, and it is simple in structure, easy to assembly, at low cost.
Further, overlond trip mechanism 230 is arranged on the right side in striking channel 510, in striking channel 510 and overload Tripping mechanism 230 is surrounded along the left side of the side in thickness of shell direction, the lower section of leakage tripping device 212, the poles L outlet terminal 720 Accommodate the space of circuit board module 213.The case interlayer 140c for accommodating overlond trip mechanism 230 is equipped in the shell, Case interlayer 140c is arranged in the right side of pedestal interlayer 140a and arc-extinguishing mechanism 500, the pedestal 110 of case interlayer 140c and shell Interval setting forms spacer interlayers 140b corresponding with 213 middle part of circuit board module, and the width of spacer interlayers 140b is less than pedestal Interlayer 140a, the part that the middle part of circuit board module 213 corresponds to spacer interlayers 140b can be used for connecting up or that volume is arranged is non- Often 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 pedestal 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 poles N outlet terminal 730 left side.Certainly, if reduction circuit board module 213 volume need not stretch out right end then circuit board module 213 can also be fully accommodated in pedestal interlayer 140a, Belong to the scope of protection of the utility model.
The earth leakage circuit breaker of the utility model, by being arranged on the right side of pedestal interlayer 140a and arc-extinguishing mechanism 500 Case interlayer 140c for accommodating overlond trip mechanism 230, and the pedestal 110 of case interlayer 140c and shell interval setting shape At spacer interlayers 140b corresponding with 213 middle part of circuit board module, the both ends that circuit board module 213 is equipped with component is made to correspond to The more compact structure for the leakage protection circuit device for making the utility model in the both sides of spacer interlayers 140b is set, volume obtain into The reduction of one step.
A kind of embodiment with reference to shown in Fig. 3-4 is equipped with partition board between striking channel 510 and circuit board module 213 140, with reference to Fig. 3, it is equipped with partition board 140 in shell, Figure 11 shows that the Facad structure of partition board 140, Figure 12 show partition board 140 Backside structure, with reference to Fig. 4 and Figure 11, the partition board 140 is equipped with partition muscle 140d at writing board shape, at the middle part of partition board 140, every The left side of partition board 140 is divided into the first partition portion 141 for surrounding striking channel 510 by disconnected muscle 140, by the right side of partition board 140 Side is divided into the second partition portion 142 for surrounding case interlayer 140c, the setting of the first partition portion 141 striking channel 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 back side 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 partition muscle 1411a coordinated with arc-chutes 520,110 assist side component of pedestal The longitudinal side plate 1411 with longitudinal partition muscle 1411a cooperations is equipped between 213 and arc-chutes 520, in longitudinally partition muscle 1411a It is equipped with reinforcing rib 1411b towards the side of arc-chutes 520 with longitudinal side plate 1411, can be improved while being positioned with shell With the insulation effect of arc-chutes 520；The contact that the front on 141 top of the first partition portion is formed with moving contact 610 and static contact 620 Mechanism 600 coordinates, and is equipped with the fixing lug boss 143 coordinated with static contact 620 in the left side on 141 top of the first partition portion, right side is set Have a positive stop lug boss 144 coordinated with the moving contact of contact mechanism 600 610, middle part fixing lug boss 143 and positive stop lug boss 144 it Between be equipped with the guide ledges 145 of camber coordinated with moving contact 610；The back side on 141 top of the first partition portion is equipped with and shell The lateral partition muscle 1412a of cooperation, and it is connected to the vertex laterally separated between muscle 1412a and longitudinal partition muscle 1411a Connection separate muscle 1413a, connection partition muscle 1413a cambers are for avoiding the electromagnetism being arranged above the first partition portion 141 Tripping mechanism 220, pedestal 110 are equipped with the lateral side plate with laterally partition muscle 1412a cooperations at the back side of contact mechanism 600 1412, and with the connecting lateral plate 1413 that connect partition muscle 1413a cooperation；The back side of first partition portion, 141 bottom end be not provided with every Disconnected muscle, the directly side wall with 110 lower section of pedestal coordinate；The front of first partition portion, 141 bottom end is equipped with second and laterally separates muscle 1461, the right side that muscle 1461 is laterally separated second is drawn equipped with what double golden connection sheets 232 with overlond trip mechanism 230 coordinated The right side of arc boss 1462, striking boss 1462 is connected with partition muscle 140d, in the company of striking boss 1462 and partition muscle 140d The fixed groove 1463 that place is equipped with fixed double golden connection sheets 232 is connect, the side of double gold connection sheets 232 is inserted into fixed groove 1463 Middle fixation；The bottom end in the second partition portion 142 be equipped with second connection separate muscle 1464, second connection partition muscle 1464 left end at Arc is simultaneously connect, the right side of the second connection partition muscle 1464 with the positive second lateral partition muscle 1461 of 141 bottom end of the first partition portion End is equipped with adjustment fixed block 1465, and the adjusting screw for favouring the setting of bimetal leaf 231 is equipped in adjusting fixed block 1465 233, adjusting screw 233 coordinates with bimetal leaf 231；The top side at 142 back side of the second partition portion is equipped with third laterally partition muscle 1466, laterally the left end of partition muscle 1466 is connect third with the lateral partition muscle 1412a at the 141 top back side of the first partition portion, the Three laterally separate limited block 1467 (Fig. 4) cooperation in the right end and shell of muscle 1466；Second partition portion, 142 positive right side is set There is second longitudinal direction to separate muscle 1468, second longitudinal direction is separated muscle 1468 and coordinated with the component on the right end of circuit board module 213, prevents Only the forceful electric power on bimetal leaf 231 influences circuit board module 213, and it is opposite with partition muscle 140d that second longitudinal direction separates muscle 1468 It is arranged and upper/lower terminal is not connect with other mechanisms, the lower section formation bimetal leaf 231 that muscle 1468 is separated in second longitudinal direction connects The space of line, the top that muscle 1468 is separated in second longitudinal direction form the avoiding space that bimetal leaf 231 is swung.Above-mentioned first every Front, the left side of partition muscle 140d and the inside of case 120 in disconnected portion 141 surround striking channel 510；Second partition portion 142 The inside in front, the right side of partition muscle 140d and case 120 surrounds the case interlayer 140c for accommodating overlond trip mechanism 230, the The back side in one partition portion 141 surrounds pedestal interlayer 140a with pedestal 110, between the back side in the second partition portion 142 and pedestal 110 surround Every interlayer 140b.Partition board 140 can be integrally formed with pedestal 110 or case 120, can also be to spell again after split settings It connects and is assemblied together, naturally it is also possible to be not provided with partition board 140.
With reference to Fig. 3,4, as a kind of embodiment of arc-extinguishing mechanism 500, the striking channel 510 is arranged in pedestal interlayer The front of 140a is oppositely arranged with pedestal interlayer 140a, and the setting of arc-chutes 520 is remote in striking channel 510 and circuit board module 213 The madial wall of the same side from electrical leakage tripping device 210, the both sides and thickness of shell direction both sides of arc-chutes 520 offsets, arc extinguishing Arc extinguishing grid pieces 521 are equipped in 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 and striking channel 510 and be approximately equal to pedestal interlayer 140a and the sum of the thickness in striking channel 510.It is gone out by increasing The space of arc chamber 520 makes the width of arc extinguishing coral piece 521 be increased as much as possible, arc extinguishing ability is ensure that, especially in 6KA When still be able to ensure reliable breaking capacity, it is of course also possible to not increase the space of arc-chutes 520, by 213 edge of circuit board module Thickness direction is arranged at the back side of arc-chutes 520 and striking channel 510, belongs to the scope of protection of the utility model.
Specifically, the operating mechanism 400 is arranged in the top of moving contact 610, the left side on 400 top of operating mechanism is equipped with The right side of connected handle 1, top is equipped with mechanism for testing 300, and the left side of 400 bottom end 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 when combined floodgate Existing short circuit current, electromagnetic release mechanism 220 pushes 440 trigger action mechanism of tripping to unbutton by mandril, under moving contact 610 Side is equipped with striking channel 510, and the setting of static contact 620 is connect in striking channel 510 with electromagnetic release mechanism 220, logical in striking The left side in road 510 is equipped with connected arc-chutes 520, is equipped with the poles L input terminal 710 in the left side of arc-chutes 520, the striking is logical The right side in road 510 is equipped with overlond trip mechanism 230, and the top on 230 right side of overlond trip mechanism is arranged in leakage tripping device 212, The bottom end on 230 right side of overlond trip mechanism is arranged in mutual inductor 211, 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 be correspondingly arranged at the back side in striking channel 510, arc-chutes 520 right side, wiring board 213 and the poles L take electric lead The poles 214 and N take electric lead 215 to connect, and the poles L take the other end of electric lead 214 and the bimetal leaf 231 of overlond trip mechanism 230 Connection takes electricity, the poles N to take the other end of electric lead 215 to be connect with the poles N connector 750 and take electricity, and the poles L take electric lead 214 and the poles N to take electricity Conducting wire 215 can be effectively reduced the difficulty of assembly without mutual inductor 211 is needed guiding through, and L is equipped on the right side of leakage tripping device 212 Pole outlet terminal 720 and the poles N outlet terminal 730, the poles L outlet terminal are arranged at the back side of the poles N outlet terminal 730, in the outlet of the poles L The lower section of terminal 720 and the poles N outlet terminal 730 is equipped with FE conducting wires 740 and the poles N 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 opening of the arc extinguishing notch 528 that channel 510 is oppositely arranged, arc extinguishing notch 528 extends to the middle part of 521 other side of arc extinguishing grid pieces, By the way that the arc extinguishing notch 528 opposite with striking channel 510 is arranged in the side of arc extinguishing coral piece 521, arc-extinguishing mechanism 520 can be improved With the compatible degree between striking channel 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 channel 510, with And pedestal arc extinguishing arm 527 corresponding with pedestal interlayer 140a, the size of pedestal arc extinguishing arm 527 are more than case arc extinguishing arm 526, and Case arc extinguishing arm 526 and pedestal arc extinguishing arm 527 respectively with offset on the inside of shell.It is corresponding with striking channel 510 by being arranged Case arc extinguishing arm 526, and pedestal arc extinguishing arm 527 corresponding with pedestal interlayer 140a, can further increase arc extinguishing grid pieces 521 Compatible degree between striking channel 510 and pedestal interlayer 140a, makes arc extinguishing grid pieces 521 in the width direction can be as much as possible Full of case inside, the arc extinguishing ability of arc extinguishing coral piece 521 is improved to ultimate attainment, reliability and safety by using limited space Property also higher.
Further, 528 forming V-shape of arc extinguishing notch is equipped on pedestal arc extinguishing arm 526 and is parallel to striking channel 510 The pedestal contained side 528a of middle electric arc moving direction is equipped on case arc extinguishing arm 527 and favours electric arc movement in striking channel 510 The case contained side 528b in direction, and the arc extinguishing being connected between case contained side 528b and pedestal 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 forms case arc extinguishing interval 526a with the setting of the interval of striking channel 510, The case arc extinguishing limiting plate 526b for the cooperation that offsets with case arc extinguishing arm 526 is equipped in case arc extinguishing interval 526a；The pedestal Arc extinguishing arm 527 is equipped with the evacuation inclined-plane 527b being oppositely arranged with case arc extinguishing interval 526a, and evacuation inclined-plane 527b is for avoiding The side of arc striking component 527c in arc-chutes 520, evacuation inclined-plane 527b are connect with striking channel 510, the other side and pedestal arc extinguishing Arm 527 is connected, and further increases reliability and the safety of arc-extinguishing mechanism 500.
Further, the one end of the arc extinguishing grid pieces 521 far from striking channel 510 is fixed by arc extinguishing fixed plate 525, Shell is equipped with trapping muscle 522 in side of the arc-chutes 520 far from striking channel 510, is respectively formed in the both sides of trapping muscle 522 Outlet upper channel 523 and outlet lower channel 524, outlet upper channel 523 are connected to the left end end face of shell, are set in the left end of shell There is the poles L input terminal 710, outlet lower channel 524 is connected to the bottom side of shell, and retainer 130, stop are equipped in the bottom side of shell Part 130 is used to shell 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, Shell is discharged each by outlet upper channel 523 and outlet lower channel 524, there is smooth in exhaust, the excellent feature of anti-dust performance.
As a kind of embodiment in striking channel 510, the first clamping plate in the striking channel 510 and pedestal interlayer 140a It is equipped with flash barrier 511 between 141, the striking effect of arc-extinguishing mechanism 500 can not only be improved by the setting of flash barrier 511, increases Strong arc extinguishing ability, but also can prevent the electric arc in striking channel 510 from damaging the circuit board module in pedestal interlayer 140a 213, increase reliability and service life.
Further, the both sides in the striking channel 510 are equipped with flash barrier 511, i.e. striking channel 510 and pedestal interlayer Flash barrier 511 is equipped between 140a and striking channel 510 and the case 120 of shell, flash barrier 511 is aerogenesis material Material is made, gas exhausted material not only can 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 pedestal interlayer 140a can be avoided, into One step improves 213 reliability of circuit board module and safety.
A kind of embodiment of operating mechanism 400 as show Fig. 4-6, operating mechanism 400 include being fixedly connected with the casing Rotary shaft 410, and the main lever 420 that is pivoted in rotary shaft 410, the right side on 420 top of main lever, which is equipped with, resets bullet Spring 450, bottom end are connect with the moving contact 610 of contact mechanism 600, pivotally mounted on main lever 420 to have main spring 470, lock 430 It is connect with main lever 420 with one end of tripping 440, main spring 470, the contact of the other end and moving contact 610 is supported to connect, lock 430 is hinged with handle 1 by the connecting rod 11 (Fig. 2) in left side, and tripping 440 is arranged in the lower section of lock 430,440 middle part pivot of tripping Turn to be mounted on main lever 420, top and 430 overlap joint of lock of tripping 440 coordinate, and bottom end coordinates with tripping mechanism, in tripping The left side of 440 positive bottom end is equipped with the dropout adjutage being correspondingly arranged with electromagnetic release mechanism 220, bottom end right side front and the back of the body Face is respectively equipped with overlond trip hole 441 and electric leakage trip shaft 442, and limited part 460 (Fig. 6), limitation are equipped at the back side of tripping 440 The top of part 460 is equipped with flexible deformation portion, and the side wall cooperation with shell is played the role of buffering operating mechanism 400, in shell In be equipped with the abutting plate 451 that coordinate with resetting spring 450, resetting spring 450 is preferably compression spring, the left end of resetting spring 450 and Main lever 420 connects, and right end connect with plate 451 is abutted, and the left side of abutting plate 451 and resetting spring 450 offset cooperation, and right side is set There is 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, simultaneously The side oscillation to the left of moving contact 610 of 420 bottom end of main lever is set to be contacted with the static contact 620 of contact mechanism 600 circuit is connected, After moving contact 610 and static contact 620 completely attach to, lock 430 and 440 mutual hasp of tripping simultaneously lock operating mechanism 400 In energy storage state, tripping mechanism can drive the bottom end of tripping 440 to move right when circuit occurs abnormal, make tripping 440 and lock Button 430, which is unbuttoned, makes operating mechanism 400 unlock, and resetting spring 450, which is released, can and push main lever 420 to make moving contact 610 and static contact 620 separation disconnect 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 back side in the overlond trip hole 441 connect, 440 other side of tripping is equipped with and the leakage tripping device 212 of electrical leakage tripping device 210 The dropout pull rod 2124 that leaks electricity overlaps the electric leakage trip shaft 442 of cooperation, and overlond trip hole 441 and electric leakage trip shaft 442 are coaxially right Obverse and reverse sides in tripping 440 should be set.
The electric leakage trip shaft 442 of the earth leakage circuit breaker of the utility model, 440 back side of tripping can not only be de- with electric leakage It detains device 212 to coordinate, plays the role of unlocking operating mechanism 400, and electric leakage trip shaft 442 and the overload of double golden pull rods 236 are de- Button hole 441 is coaxially arranged concentrically, and the forceful electric power interference electric leakage dropout pull rod 2124 of double golden pull rods 236 can be prevented, in limited sky It is interior to play reliable insulating effect, in addition, electric leakage trip shaft 442 can also coordinate the work that play limit with mechanism for testing 300 With preventing in gate-dividing state faulty operation to press mechanism for testing 300 and connect test loop.
As Fig. 2,5 show that a kind of embodiment of overlond trip mechanism 230, overlond trip mechanism 230 include bimetal leaf 231, the top of bimetal leaf 231 is connect by flexible connection 234 with moving contact 610, is set in the tripping 440 of operating mechanism 400 There are double golden pull rods 236 (Fig. 5) with the overlap joint cooperation of the top of bimetal leaf 231；The bottom end 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 connecting terminal 700 of leading-out terminal, far from double The side of golden connection sheet 232 is additionally provided with adjusting screw 233, and double gold connection sheets 232 include connected the first connection sheet 2321 and the Two connection sheets 2322, the setting of the first connection sheet 2321 are oppositely arranged in striking channel 510 with static contact 620, the second connection sheet 2322 are arranged in case interlayer 140c one end is fixedly connected with 231 bottom end 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 in tripping 440 Camber is overlapped on side of 231 top of bimetal leaf far from tripping 440；
When overloading in the line, bimetal leaf 231 passes through the tripping of 236 pull operation mechanism 400 of double gold pull rods 440 can change the initial position of bimetal leaf 231 with 430 unlock of lock, adjusting screw 233 by promotion bimetal leaf 231 Change dropout stroke.L polar conductors 235 pass through the mutual inductor 211 of electrical leakage tripping device 210, the moving contact 610 of contact mechanism 600 Pass sequentially through 700 line attachment of connecting terminal of flexible connection 234, bimetal leaf 231, L polar conductors 235 and leading-out terminal, mutual inductor 211 can sense the electric leakage in L polar conductors 235, are unlocked by 210 trigger action mechanism 400 of electrical leakage tripping device and realize leakage Electric protection.
Further, the bimetal leaf 231 is placed in case interlayer 140c, double golden connection sheets 232 forming V-shape (figure 6) comprising the first connection sheet 2321 and the second connection sheet 2322 being connected, the first connection sheet 2321 are arranged in case interlayer It is fixedly connected with bimetal leaf 231 in 140c, 2322 camber of the second connection sheet is simultaneously arranged in striking channel 510 and stationary contact First 620 electric arcs for being oppositely arranged for generating contact mechanism 600 guide arc-chutes 520, the flash barrier of 510 both sides of striking channel into 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, the other side Allow slot, under the premise of not influencing breaker performance, ensure the compactedness of breaker structure, and it is double can into connection sheet 232 Enough play the role of striking, and the fixed function to bimetal leaf 231 can be played, kills 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 inside of electric leakage dropout skeleton 2121 is equipped with the electric leakage dropout dynamic iron core 2123 being oppositely arranged and electric leakage dropout static iron core 2125, Electric leakage dropout dynamic iron core 2123 is movably disposed at the inside of electric leakage dropout skeleton 2121 and electric leakage takes off Fastening wire circle 2122 coordinates, and electric leakage dropout static iron core 2125 is oppositely arranged on electric leakage dropout dynamic iron core 2123 far from operating mechanism 400 Side and 2121 tight fit of electric leakage dropout skeleton, between electric leakage dropout dynamic iron core 2123 and electric leakage dropout static iron core 2125 Equipped with electric leakage trip spring 2126, it is equipped with and is used for close to the side of electric leakage dropout static iron core 2125 in electric leakage dropout dynamic iron core 2123 The spring shaft 2126a of fixed electric leakage trip spring 2126, in electric leakage dropout static iron core 2125 close to electric leakage dropout dynamic iron core 2123 Side be equipped with the spring groove 2126b for fixed electric leakage trip spring 2126, the edge of spring groove 2126b is equipped with chamfering, The left end of electric leakage dropout dynamic iron core 2123 is hinged with electric leakage dropout pull rod 2124, and the left end of electric leakage dropout pull rod 2124 is overlapped on Coordinate in tripping 440, electric leakage tripping coil 2122 is connect with circuit board module 213, and circuit board module 213 is when leaking electricity Can output current to electric leakage tripping coil 2122, pass through change leak electricity tripping coil 2122 field drives electric leakage thread off move iron Core 2123 pulls electric leakage dropout pull rod 2124, drives the bottom end 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 being set along 2123 moving direction of electric leakage dropout dynamic iron core The electric leakage interconnecting piece 2124a at 2123 back side of electric leakage dropout dynamic iron core is set, and is separately positioned on the both ends electric leakage interconnecting piece 2124a Electric leakage power part 2124b and electric leakage support portion 2124c, electric leakage power part 2124b and electric leakage support portion 2124c be mutually parallel and It is each perpendicular to the moving direction of electric leakage dropout dynamic iron core 2123, is extended from the back side of electric leakage dropout dynamic iron core 2123 to front, leakage Electric power portion 2124b and electric leakage dropout dynamic iron core 2123 are hinged, and orthogonal leakage is equipped in the end of electric leakage support portion 2124c Electric trigger unit 2124d, leakage trigger portion 2124d are also perpendicularly to the moving direction tripping of electric leakage dropout dynamic iron core 2123 simultaneously 440 direction extends, and the electric leakage trip shaft 442 coordinated with leakage trigger portion 2124d, leakage trigger portion are equipped in tripping 440 2124d extends to the side overlap joint cooperation of electric leakage trip shaft 442, is equipped in electric leakage dropout dynamic iron core 2123 and electric leakage power Electric leakage hinge hole 2124e hinged portion 2124b drives electric leakage dropout pull rod 2124 de- with electric leakage by the hinge hole 2124d that leaks electricity Pull the movement of iron core 212.
Further, the electric leakage dropout skeleton 2121 is being equipped with stop sleeve 2127 close to the side of operating mechanism 400, Electric leakage dropout dynamic iron core 2123 is slidably matched close to one end of operating mechanism 400 and stop sleeve 2127, stop sleeve 2127 Outer diameter is less than electric leakage dropout skeleton 2121, can reduce electric leakage by stop sleeve 2127 and 2123 cooperation of electric leakage dropout dynamic iron core 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 one end is arranged in parallel in electric leakage dropout dynamic iron core 2123 is connect with stop sleeve 2127, and the other end hangs down Straight to be arranged in electric leakage dropout dynamic iron core 2123 close to the side of operating mechanism 400, backstop electric leakage dropout dynamic iron core 2123 plays limit The effect of position, and in assembly, electric leakage dropout dynamic iron core 2123 is against gag lever post under the action of leaking electricity trip spring 2126 On 2128, leakage tripping device 212 can be assembled in shell as a whole, reduce the difficulty of assembly.
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 entire product, the electric leakage tripping coil 2122 are enameled wire loop, are uniformly wound on the electric leakage dropout skeleton 2121 outside, and the thickness direction of shell is full of the inner space of shell.
A kind of embodiment of electromagnetic release mechanism 220 as show Fig. 4-5, electromagnetic release mechanism 220 include yoke 221 with And the electromagnetic trip skeleton 222 at tubular is set above yoke 221, the outside of electromagnetic trip skeleton 222 is equipped with and yoke 221 connected electromagnetic trip coils 223, the left side of electromagnetic trip coil 223 are connect with the poles L input terminal 710, yoke 221 Right side is connect with static contact 620, and the inside of electromagnetic trip skeleton 222 is equipped with moveable electromagnetic trip dynamic iron core 224, electromagnetism Dropout dynamic iron core 224 is equipped with the mandril near the tripping 440 for extending to operating mechanism 400, and electromagnetic trip coil 223 is short in appearance Can be driven when road electromagnetic trip dynamic iron core 224 drive mandril to the right operating mechanism 400 tripping 440 move trigger action machine Structure 400 unlocks, naturally it is also possible to be not provided with mandril, directly push 440 trigger action machine of tripping by electromagnetic trip dynamic iron core 224 Structure is unbuttoned.
As Fig. 2,4 show that a kind of embodiment of mechanism for testing 300, mechanism for testing 300 include being arranged in operating mechanism 400 The testing button 310 and test spring 320, shell 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 shell are surrounded and surveyed The cavity that examination button 310 is slidably matched, energy storage plate 451 can be played again while fixed reset spring 450 to testing button 310 Limit 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 connect with shell, 321 phase of electromagnetic release mechanism 220 and fixed section To the arranged on left and right sides in operating mechanism 400 is arranged, fixed section 321 is arranged in the right side of operating mechanism 400 and leakage tripping device Between 212 left side, shell is equipped with the fixing axle 325 for fixing fixed section 321, and being equipped in the left side of fixed section 321 can The triggering section 323 of swing, operating mechanism 400 of the triggering section 323 across 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 for passing through mutual inductor 211 are equipped on the right side of fixed section 321 Connection, pressing testing button 310 can push triggering section 323 to contact the generation survey of continuity test circuit to lower swing and yoke 221 Trial signal is equipped with the corresponding electric leakage trip shaft 442 below triggering section 323, leakage at the back side of the tripping 440 of operating mechanism 400 Electric dropout pull rod 2124 is correspondingly arranged at the right side of the lower section and electric leakage trip shaft 442 of the electric leakage trip shaft 442 at 440 back side of tripping Side overlap joint cooperation.
The earth leakage circuit breaker of the utility model, test spring 320 directly take electricity from yoke 221, not only structure letter It is single, easy to assembly, reliable in action, and also in earth leakage circuit breaker separating brake, the tripping 440 of operating mechanism 400 drives electric leakage Trip shaft 442 moves up, and can stop that the triggering section 323 of test spring 320 moves down, prevent maloperation continuity test Circuit, reliability and safety higher, in earth leakage protective device separating brake, it is downward that electric leakage trip shaft 442 will not interfere with triggering section 323 It is mobile.
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 comprising setting is in 212 positive first test department 3221 of leakage tripping device, and is arranged in 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 connect with test lead 324, the fixed section of the other end and left side of the second test department 3222 The structure of 321 connections, test spring 320 can be dexterously combined with circuit breaker internal structure, simple in structure, circuit is short, can By property height.
As shown in fig. 6, the yoke 221 is U-shaped comprising the first yoke plate 2211 being oppositely arranged and the second yoke plate 2212, and it is connected to the third yoke plate 2213 of 2212 bottom end 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 in the inside of the first yoke plate 2211 and the second yoke plate 2212, and evacuation is equipped at the middle part of the first yoke plate 2211 First avoid holes 2214 of electromagnetic trip dynamic iron core 224 are equipped with and the triggering cooperation of section 323 in the top side of the first yoke plate 2211 Slot 2217 is triggered, triggers 2217 forming V-shape of slot, 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 third yoke plate 2213 is equipped with the 4th yoke plate 2215 in the side close to striking channel 510, 620 forming V-shape of static contact of contact mechanism 600, one side are arranged in striking channel 510, the other side and the 4th yoke plate 2215 It is integrally formed connection.
As Fig. 9 shows that a kind of embodiment of testing button 310, testing button 310 include that setting is carried on the back in operating mechanism 400 The connecting rod 311 in face, connecting rod 311 is L-shaped, and the short side of connecting rod 311 is corresponded to is equipped with button head in the top of operating mechanism 400 312, button head 312 and handle 1 are oppositely arranged on the both ends of shell for 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 far from operating mechanism 400 Protrusion forms the button step 314 with shell cooperation between the top side of spring head 313 and connecting rod 311, passes through button platform Rank 314, which is against, can limit the extreme position that testing button 310 moves up on shell, prevent testing button 310 de- from shell Expose shell height appropriate from button head 312 simultaneously, the bottom side of spring head 313 be equipped with forming V-shape with test spring 320 The button slot 315 that section 323 coordinates is triggered, triggering section 323 is against in button slot 315 and prevents from detaching with testing button 310, in bullet The back side of spring head 313 is equipped with the limiting slot 316 coordinated with shell, and shell is equipped in the left side of button head 312 matches with limiting slot 316 The limiting plate 317 of conjunction 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 the poles L protection module and the poles N protection module, it can be as needed, it will The poles L protection module is placed on the left or right side of the poles N protection module, and product uses integral structure, can spell attachment.
As shown in Fig. 2, the poles L include operating mechanism 400, electromagnetic release mechanism 220, striking channel 510, overlond trip Mechanism 230, arc-chutes 520 and connecting terminal.The poles N protection module is without breakpoint, the poles N for passing through mutual inductor 211 by one Conducting wire 731 is connect with the poles the N connector 750 stretched out outside shell, and the other end of N polar conductors 731 is connected with the poles N outlet terminal 730. The right side of the operating mechanism 400 and electromagnetic release mechanism 220 is equipped with leakage tripping device 212, and the leakage tripping device 212 is logical The tripping 440 that an electric leakage dropout pull rod 2124 comes in pull operation mechanism 400 is crossed, earth leakage circuit breaker is made to thread off.It is described to go out Arc chamber 520 is full of the space of case inside, to improve the reliability of disjunction 6kA.The back in the striking channel 510, overload are de- The space that the left side on the right side of buckle mechanism 230, the downside of leakage tripping device 212 and the poles N outlet terminal 730 is surrounded is equipped with circuit 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 Conducting wire 324 is each passed through mutual inductor 211.And the poles L of circuit board module 213 take electric lead 214 and the poles N to take electric lead 215 logical The front end for crossing mutual inductor 211 takes electricity, nothing to need guiding through mutual inductor 211.The earth leakage circuit breaker further includes 310 He of testing button Spring 320 is tested, testing button 310 is arranged on the right side of handle 1, and test spring 320 controls test by testing button 310 Circuit is cut-off, when depressing the testing button 310, the triggering section 323 of the test spring 320 and the electromagnetic trip machine The yoke 221 of structure 220 contacts, and the other end 912 is then contacted with the test lead 324 across 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 Electric dropout dynamic iron core 2123, electric leakage dropout static iron core 2125, electric leakage trip 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 entire product.Institute The outside that electric leakage tripping coil 2122 is uniformly wound on the electric leakage dropout skeleton 2121 is stated, the width direction along shell is almost filled Shell is expired.The electric leakage dropout static iron core 2125 and 2121 tight fit of electric leakage dropout skeleton, setting is in electric leakage dropout skeleton 2121 inside, the side far from the operating mechanism 400.The electric leakage dropout dynamic iron core 2123 is arranged de- in electric leakage actively 2121 inside of skeleton is detained, close to a side of the operating mechanism 400.2123 right side of the electric leakage dropout dynamic iron core is equipped with spring One end of axis 2126a, the electric leakage trip spring 2126 are sleeved on the spring shaft 2126a of the electric leakage dropout dynamic iron core 2123, And the other end is then attached on electric leakage dropout static iron core 2125.It is additionally provided with a shaft line direction in the electric leakage dropout dynamic iron core 2123 Vertical 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 de- The electric leakage hinge hole 2124e for pulling iron core 2123 is moved, the electric leakage of the other end with the movement of electric leakage dropout dynamic iron core 2123 Trigger unit 2124d is then near the electric leakage trip shaft 442 of the tripping 440 in the operating mechanism 400.The electric leakage dropout bone The left side of frame 2121 is additionally provided with the gag lever post 2128 of L-shaped protrusion, when electric leakage dropout dynamic iron core 2123, trip spring 2126 of leaking electricity, After electric leakage dropout static iron core 2125 is sequentially loaded into 2121 inside of electric leakage dropout skeleton, due to the effect of spring force, the electric leakage is de- It pulls iron core 2123 to be against on gag lever post 2128, will not be fallen from 2121 inside of electric leakage dropout skeleton, but do not influence the electric leakage The whole loading of the leakage tripping device 212 can be simplified assembly by the rotation of dropout dynamic iron core 2123 in assembly in this way Step.
As shown in Figures 9 and 10, the button slot 315 of V-arrangement arranged at the bottom of institute's testing button 310, when assembly the test spring The triggering section 323 of 320 one end is against in button slot 315, passes 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 across the mutual inductor 211 324 link together.310 bottom of the 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 limits.When 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 310 top of such testing button is just exposed at Hull outside has certain height.When pressing testing button 310, the triggering section 323 of described test spring 320 one end with The movement of testing button 310 and move down together, with the yoke 221 contact, with achieve the purpose that test loop connect.
As shown in figure 4, the operating mechanism 400, including mechanism rotary shaft 410, main lever 420, main spring 470, lock 430, tripping 440, double golden pull rods 236, limited part 460 and resetting spring 450.There are one overloads to take off in the front of the tripping 440 One end of button hole 441, double golden pull rods 236 is 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 the electric leakage trip shaft 442 of a protrusion, the overlond trip hole 441 in the back side of the tripping 440 It is arranged concentrically with electric leakage trip shaft 442.The protrusion 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 There are three the effects of 440 protrusion electric leakage trip shafts 442：(1) when circuit has electric leakage, leaking electricity in by the leakage tripping device 212 takes off The effect for detaining pull rod 2124, allows operating mechanism 400 to unbutton to cut off the effect of circuit protection life safety；(2) since double gold are drawn Bar 236 leans 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, prevent the electric leakage brought strong voltage in the electrical leakage tripping device 210 from threading off Pull rod 2124, in order to avoid electrical leakage tripping device 210 is impacted；(3) when product gate-dividing state, because of the protrusion electric leakage trip shaft The effect of 442 limits prevents from, because of human operational error, pressing testing button 310 and connecing with yoke 221 so that testing spring 320 It touches and connects circuit, under "on" position, the protrusion 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 It carries on the right side of tripping mechanism 230, the space that 212 downside of leakage tripping device and 730 left side of the poles N outlet terminal are surrounded, and small electricity Resistance class component is placed on 510 back of striking channel, and the circuit board module 213 includes three a diameter of D7 connected at Y types Front end it is pressure-sensitive, smaller space can be occupied in this way.
As shown in figure 3,510 both sides of striking channel 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 220 right side of electromagnetic tripping apparatus connects Between contact pin 2322, shape is roughly the same therewith.The tail portion of the arc-chutes 520 sets that there are one on trapping muscle 522 and outlet Channel 523 and outlet lower channel 524.The trapping muscle 522 is located at the centre position of 520 tail portion of arc-chutes, and effect is by air-flow It separates, is 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 tail portions upper end are discharged from 710 upper end of the poles L input terminal；Another is located at 520 tail portion lower end of the arc-chutes, under product It is discharged in the gap of portion's retainer 130.The utility model has the advantage of shell only 18mm wide, do not increase, using integral type knot Structure, rated current maximum 40A, breaking capacity reach 6kA, and electric leakage energy can when Electromagnetic Compatibility meets standard requirement and 50V voltages By threading off.
The leakage tripping device 212 is arranged on the right side of operating mechanism 400, is pulled by leaking electricity dropout pull rod 2124 The electric leakage trip shaft 442 of tripping 440 on operating mechanism 400, makes operating mechanism 400 unbutton, and leakage tripping device 212 includes that electric leakage is de- Detain skeleton 2121, electric leakage tripping coil 2122, electric leakage dropout dynamic iron core 2123, electric leakage dropout static iron core 2125, electric leakage dropout bullet Spring 2126 and electric leakage dropout pull rod 2124.The electric leakage tripping coil 2122 is uniformly wound on the electric leakage dropout skeleton 2121 Outside.The electric leakage dropout static iron core 2125 is arranged with 2121 tight fit of dropout skeleton of leaking electricity in electric leakage dropout skeleton 2121 Inside, the side far from the operating mechanism 400.The active setting of the electric leakage dropout dynamic iron core 2123 is in electric leakage dropout skeleton 2121 insides, close to a side of the operating mechanism 400.2123 right side of the electric leakage dropout dynamic iron core is equipped with spring shaft 2126a, One end of the electric leakage trip spring 2126 is sleeved on the spring shaft 2126a of the electric leakage dropout dynamic iron core 2123, and the other end It is attached on electric leakage dropout static iron core 2125.It is additionally provided with the vertical leakage in a shaft line direction in the electric leakage dropout dynamic iron core 2123 One end of electric hinge hole 2124e, the electric leakage dropout pull rod 2124 pass through the electric leakage of the electric leakage dropout dynamic iron core 2123 hinged Hole 2124e is moved, the other end then tripping 440 in the operating mechanism 400 with the movement of electric leakage dropout dynamic iron core 2123 Electric leakage trip shaft 442 near.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 After core 2123, electric leakage trip spring 2126, electric leakage dropout static iron core 2125 are sequentially loaded into 2121 inside of electric leakage dropout skeleton, by The effect for trip spring 2126 of leaking electricity, the electric leakage dropout dynamic iron core 2123 are against on the L shapes gag lever post 2128, Bu Huicong 2121 inside of electric leakage dropout skeleton is fallen, but does not influence the rotation of the electric leakage dropout dynamic iron core 2123.
Dropout dynamic iron core 2123 of leaking electricity when normal work is acted on by electric leakage 2126 pressure of trip spring, 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 generates certain leakage current, electric leakage dropout dynamic iron core 2123 in disengaging deivce of earth leakage 1 by The effect of electromagnetic force drives electric leakage dropout pull rod 2124 to be moved together to the direction of electric leakage dropout static iron core 2125, pulls tripping 440 protrusion 211, makes operating mechanism 400 unbutton, and cuts off circuit, protects life property safety.The utility model has the advantage of Structural module, assembly is simple, and detachable, when can meet 50V voltages electric leakage can action message, be to allow behaviour by way of drawing Make mechanism 400 to unbutton.
The mechanism for testing 300 includes testing button 310, test spring 320 and the test lead across 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 test spring 320 One end is against in the button slot 315 of " V-arrangement " of the testing button 310, is with the yoke of electromagnetic release mechanism 220 221 at this time It disconnects, and the other end is then contacted with the test lead 324 across the mutual inductor 211.When pressing the testing button 310 When, 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 contacts, and the other end then remains unchanged, contacts, test back with the test lead 324 across the mutual inductor 211 Road is connected.When unclamping testing button 310, the effect of 320 reset force of tested person spring, testing button 310 is bounced, is surveyed simultaneously The one end 21 and yoke 221 for trying spring 320 disconnect.When product is under gate-dividing state, if human error presses the test 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 be to prevent Only turning circuit due to human error.
The button slot 315 of V-arrangement arranged at the bottom of the testing button 310, when assembly one end of the test spring 320 be against In the button slot 315 of the V-arrangement of the testing button 310, the bottom of the operating mechanism 400 is passed through, is reached close to the electromagnetism Near 221 upper end of yoke of tripping mechanism 220, and the other end is then connected to the test lead 324 across the mutual inductor 211 Together.310 bottom of the 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 limits.When 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 moves down together with the movement of testing button 310, with The yoke 221 contacts, to achieve the purpose that test loop is connected.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard To belong to the scope of protection of the utility model.

Claims (11)

1. a kind of earth leakage circuit breaker includes contact mechanism (600), the operating mechanism of shell and setting in the housing (400), electrical leakage tripping device (210), electromagnetic release mechanism (220), mechanism for testing (300) and handle (1), operating mechanism (400) moving contact (610) swing that can be with dynamic contact mechanism (600) is contacting and separating with static contact (620), and leak electricity dropout machine Structure (210) and electromagnetic release mechanism (220) respectively in line electrical leakage and short circuit can trigger action mechanism (400) unlock, It is characterized in that：Mechanism for testing (300) includes the testing button (310) being arranged on the right side of operating mechanism (400) and test spring (320), test spring (320) includes the fixed section (321) being connect with shell, electromagnetic release mechanism (220) and fixed section (321) It is oppositely arranged on the arranged on left and right sides of operating mechanism (400), test section (322), test section are equipped on the right side of fixed section (321) (322) it is connect with the test lead (324) across mutual inductor (211), swingable triggering is equipped in the left side of fixed section (321) Section (323), operating mechanism (400) of the triggering section (323) across left side reach the yoke (221) of electromagnetic release mechanism (220) Top, testing button (310) can push triggering section (323) to be contacted to lower swing with yoke (221) and generate test signal.
2. earth leakage circuit breaker according to claim 1, it is characterised in that：The tripping (440) of operating mechanism (400) The back side is equipped with the corresponding electric leakage trip shaft (442) below triggering section (323), in earth leakage circuit breaker separating brake, operates machine The tripping (440) of structure (400) drives electric leakage trip shaft (442) to move up, the triggering section (323) of blocking test spring (320) Move down the test loop that misleads.
3. earth leakage circuit breaker according to claim 1, it is characterised in that：The electrical leakage tripping device (210) and electricity Magnetic tripping mechanism (220) is oppositely arranged on the both sides of operating mechanism (400), in operating mechanism (400) and electrical leakage tripping device (210) overlond trip mechanism (230) is equipped between, electrical leakage tripping device (210) includes mutual inductor (211), leakage tripping device (212) it is arranged on the right side of operating mechanism (400) and leakage tripping device (212) with circuit board module (213), fixed section (321) Left side between.
4. earth leakage circuit breaker according to claim 3, it is characterised in that：The fixed section (321) is torsional spring, shell It is equipped with the fixing axle (325) for fixing fixed section (321), fixed section (321) is sleeved in fixing axle (325), the survey It is L-shaped to try section (322) comprising setting is being leaked in positive first test department (3221) of leakage tripping device (212), and setting The second test department (3222) of electric buckle releaser (212) top side, the first test department (3221) are connect with the second test department (3222), the The other end of one test department (3221) is connect with test lead (324), the other end of the second test department (3222) and consolidating for left side Determine section (321) connection.
5. earth leakage circuit breaker according to claim 3, it is characterised in that：The leakage tripping device (212) and overload Tripping mechanism (230) passes through the tripping of leak electricity dropout pull rod (2124) and double golden pull rod (236) and operating mechanism (400) respectively (440) connect, electric leakage dropout pull rod (2124) be correspondingly arranged at tripping (440) back side electric leakage trip shaft (442) lower section with The right side overlap joint cooperation of trip shaft of leaking electricity (442), the overload hinged with double golden pull rods (236) is equipped in the front of tripping (440) Dropout hole (441), overlond trip hole (441) are coaxially disposed with electric leakage trip shaft (442).
6. earth leakage circuit breaker according to claim 1, it is characterised in that：The yoke (221) is U-shaped comprising The first yoke plate (2211) and the second yoke plate (2212) being oppositely arranged, and it is connected to the first yoke plate (2211) and second The third yoke plate (2213) of yoke plate (2212) bottom end, in the inside of the first yoke plate (2211) and the second yoke plate (2212) Equipped with the electromagnetic trip skeleton (222) at tubular, the outside of electromagnetic trip skeleton (222) is equipped with the electricity being connected with yoke (221) The inside of magnetic tripping coil (223), electromagnetic trip skeleton (222) is equipped with moveable electromagnetic trip dynamic iron core (224).
7. earth leakage circuit breaker according to claim 6, it is characterised in that：The middle part of first yoke plate (2211) Equipped with evacuation electromagnetic trip dynamic iron core (224) the first avoid holes (2214), the top side of the first yoke plate (2211) be equipped with The triggering slot (2217) that section (323) coordinates is triggered, is equipped with and electromagnetic trip skeleton (222) at the middle part of the second yoke plate (2212) The second avoid holes (2216) of cooperation.
8. according to any earth leakage circuit breakers of claim 1-7, it is characterised in that：Testing button (310) packet The connecting rod (311) being arranged on the right side of operating mechanism (400) is included, connecting rod (311) is L-shaped, and the short side of connecting rod (311) corresponds to It is equipped with button head (312) in the top of operating mechanism (400), the long side of connecting rod (311) corresponds under operating mechanism (400) Side is equipped with spring head (313) and coordinates with test spring (320), and spring head (313) is convex to the right side far from operating mechanism (400) It rises, the button step (314) with shell cooperation is formed between the top side of spring head (313) and connecting rod (311), in spring head (313) bottom side is equipped with the button slot (315) of forming V-shape coordinated with triggering section (323), is equipped at the back side of spring head (313) With the limiting slot (316) of shell cooperation, shell is equipped with the limiting plate coordinated with limiting slot (316) in the left side of button head (312) (317)。
9. according to any earth leakage circuit breakers of claim 1-7, it is characterised in that：Operating mechanism (400) packet The rotary shaft (410) being fixedly connected with the casing is included, and the main lever (420) being pivoted in rotary shaft (410), main thick stick The right side on bar (420) top is equipped with resetting spring (450), and bottom end is connect with the moving contact (610) of contact mechanism (600), main thick stick It is pivotally mounted on bar (420) to have main spring (470), lock (430) and tripping (440), latch the connecting rod (11) of (430) by left side Hinged with handle (1), tripping (440) setting is matched in the lower section of lock (430), top and lock (430) overlap joint of tripping (440) It closes, bottom end is equipped with electric leakage trip shaft (442) and overlond trip hole (441), and limited part (460) is equipped at the back side of tripping (440).
10. according to any earth leakage circuit breakers of claim 1-7, it is characterised in that：The electromagnetic release mechanism (220) include yoke (221) and setting above the yoke (221) at the electromagnetic trip skeleton (222) of tubular, electromagnetic trip bone The outside of frame (222) is equipped with the electromagnetic trip coil (223) that is connected with yoke (221), the left side of electromagnetic trip coil (223) and The poles L input terminal (710) connects, and the right side of yoke (221) is connect with static contact (620), the inside of electromagnetic trip skeleton (222) Equipped with moveable electromagnetic trip dynamic iron core (224)；It was equipped between operating mechanism (400) and electrical leakage tripping device (210) Carry tripping mechanism (230), the overlond trip mechanism (230) includes bimetal leaf (231), the bottom end of bimetal leaf (231) with Double gold connection sheets (232) are fixedly connected, and the top of bimetal leaf (231) is overlapped with double golden pull rods (236) to be coordinated, and by soft Knot (234) is connect with the moving contact (610) of contact mechanism (600).
11. according to any earth leakage circuit breakers of claim 1-7, it is characterised in that：The operating mechanism (400) sets It sets in the top of the moving contact (610) of contact mechanism (600), the left side on operating mechanism (400) top is equipped with connected handle (1), the right side on top is equipped with energy storage plate (451), and the resetting spring (450) of operating mechanism (400) is against a left side for energy storage plate (451) Side wall, the right side wall of energy storage plate (451) and the side wall of shell surround the cavity being slidably matched with testing button (310), operate machine The left side of structure (400) bottom end is equipped with electromagnetic release mechanism (220), and striking channel (510) are equipped in the lower section of moving contact (610), Static contact (620) setting of contact mechanism (600) is connect in striking channel (510) with electromagnetic release mechanism (220), in striking The left side in channel (510) is equipped with connected arc-chutes (520), is equipped with and electromagnetic release mechanism in the left side of arc-chutes (520) (220) right side of the connected poles L input terminal (710), striking channel (510) is equipped with overlond trip mechanism (230), and electric leakage is threaded off The top that the leakage tripping device (212) of mechanism (210) is arranged on the right side of overlond trip mechanism (230), electrical leakage tripping device (210) Mutual inductor (211) bottom end on the right side of overlond trip mechanism (230), the circuit board module of electrical leakage tripping device (210) are set (213) right end is correspondingly arranged at the lower section of leakage tripping device (212), and circuit board module was correspondingly arranged in the middle part of (213) The back side of tripping mechanism (230) is carried, the left end of circuit board module (213) is correspondingly arranged at the back side of striking channel (510), arc extinguishing The right side of room (520) is equipped with the poles L outlet terminal (720) and the poles N outlet terminal (730) on the right side of leakage tripping device (212), It is equipped with FE conducting wires (740), the lower section in FE conducting wires (740) in the lower section of the poles L outlet terminal (720) and the poles N outlet terminal (730) Equipped with the poles N connector (750), the poles N outlet terminal is by passing through the N polar conductors (731) of mutual inductor (211) to connect with the poles N connector (750) It connects, the poles L outlet terminal (720) is arranged at the back side of the poles N outlet terminal (730), by the L polar conductors for passing through mutual inductor (211) (235) connect with overlond trip mechanism (230), yoke (221) third yoke plate (2213) close to striking channel (510) Side be equipped with the 4th yoke plate (2215), static contact (620) forming V-shape of contact mechanism (600), one side setting is logical in striking In road (510), the other side is integrally formed with the 4th yoke plate (2215) and connects.
CN201721721074.XU 2017-12-12 2017-12-12 Earth leakage circuit breaker Active CN207883638U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721721074.XU CN207883638U (en) 2017-12-12 2017-12-12 Earth leakage circuit breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721721074.XU CN207883638U (en) 2017-12-12 2017-12-12 Earth leakage circuit breaker

Publications (1)

Publication Number Publication Date
CN207883638U true CN207883638U (en) 2018-09-18

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021104065A1 (en) * 2019-11-26 2021-06-03 浙江正泰电器股份有限公司 Circuit breaker
CN114388313A (en) * 2021-12-24 2022-04-22 上海京硅智能技术有限公司 Direct-acting circuit breaker
CN116072478A (en) * 2022-12-15 2023-05-05 加西亚电子电器股份有限公司 Two-pole four-modulus electromagnetic leakage circuit breaker

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021104065A1 (en) * 2019-11-26 2021-06-03 浙江正泰电器股份有限公司 Circuit breaker
CN114388313A (en) * 2021-12-24 2022-04-22 上海京硅智能技术有限公司 Direct-acting circuit breaker
CN114388313B (en) * 2021-12-24 2024-03-12 上海京硅智能技术有限公司 Direct-acting breaker
CN116072478A (en) * 2022-12-15 2023-05-05 加西亚电子电器股份有限公司 Two-pole four-modulus electromagnetic leakage circuit breaker
CN116072478B (en) * 2022-12-15 2023-08-25 加西亚电子电器股份有限公司 Two-pole four-modulus electromagnetic leakage circuit breaker

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