CN203774217U - Multi-polar residual-current circuit breaker with electric leakage indication and reset functions - Google Patents
Multi-polar residual-current circuit breaker with electric leakage indication and reset functions Download PDFInfo
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- CN203774217U CN203774217U CN201320071487.3U CN201320071487U CN203774217U CN 203774217 U CN203774217 U CN 203774217U CN 201320071487 U CN201320071487 U CN 201320071487U CN 203774217 U CN203774217 U CN 203774217U
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Abstract
The utility model discloses a multi-polar residual-current circuit breaker with electric leakage indication and reset functions. The residual-current circuit breaker comprises an electric leakage unit and multiple breaker units. The electric leakage unit and the breaker units pull an electric leakage lock through an electric leakage release so as to push a breaker lock catch to force an L1-pole breaker to break. The L1-pole breaker and the rest breakers of other poles act in linkage through a handle and a linkage bar to force the rest breakers of other poles to act to achieve an electric leakage protection function. The multi-polar residual-current circuit breaker of the utility model is advantaged in that the connection is convenient, and the L1-pole breaker and the N-pole electric leakage unit can be used to derive a 1P+N breaker and electric leakage integrated residual-current circuit breaker; the multi-polar electric leakage breaker has the electric leakage indication and reset functions and has an electricity larceny prevention device; the multi-polar residual-current circuit breaker is small in size, low in cost, simplified in technology, high in break capability, and reliable in performance; and the multi-polar residual-current circuit breaker is suitable for batch production and can completely replace a domestic DZ47LE-63 or an imported large-size breaker electric-leakage split mounting type residual-current circuit breaker.
Description
Technical field
The utility model relates to a kind of residual current circuit breaker, particularly a kind of multipole residual current circuit breaker with electric leakage indication reset function.
background technology:
Split mounting type earth leakage circuit-breaker is applicable to get an electric shock or electrical network leakage current when the person, when overrate, and residual current acting rapid disengagement failure power supply at short notice, the safety of the protection person and power consumption equipment.Also have and provide overload, short circuit and under voltage protection function to equipment.Existing assembled residual current circuit breaker, circuit breaker is connected with electric leakage part afterwards that volume has taken greatly lighting case space, both are unreliable with screw wiring poor stability, easily cause local temperature rise too high dangerous, weak heat-dissipating, the shortcoming that breaking capacity is low, cost is high, and existing assembled residual current circuit breaker function singleness, do not leak electricity indication reset and electric leakage lock function, and exposed easy electric shock of terminal screw.
Utility model content
Technical problem to be solved in the utility model is that a kind of many P+N residual current circuit breaker with electric leakage indication reset function will be provided, this residual current circuit breaker has electric leakage instruction, can remove electric leakage lock by electric leakage reset button, after removing electric leakage dangerous matter sources, could normally work, easy to connect, assembling, reprocess simply, the little cost of volume is low, work simplification, breaking capacity are high, dependable performance.
In order to solve above technical problem, the utility model provides a kind of multipole residual current circuit breaker with electric leakage indication reset function, comprise electric leakage unit and multiple breaker unit, electric leakage unit and breaker unit pull electric leakage lock by leakage tripping device, promote circuit breaker snap close and force a utmost point circuit breaker to disconnect action; Between one utmost point circuit breaker and all the other each utmost point circuit breakers, force all the other each utmost point circuit breaker actions to form creepage protection function by handle and gangbar interlock.
Described electric leakage unit comprises terminal block, N utmost point moving contact, contact tension spring, the N utmost point lever of N utmost point housing, test button, electric leakage indication reset button, leakage tripping device, electric leakage lock, magnet ring, electronic circuit board, N utmost point end of incoming cables fixed contact, the terminal block of N utmost point leading-out terminal; N utmost point lever one end is inserted axle lock and be can rotate around the axis, N utmost point lever medial launder packs N utmost point moving contact into, N utmost point moving contact one end hangs contact tension spring, N utmost point moving contact middle part welding N dead-soft wire, the terminal block that N dead-soft wire goes out terminals through magnet ring and the N utmost point welds together, N utmost point lever middle part is inserted with set bar and is connected with a utmost point circuit breaker lever, and electric leakage unit dynamic/static contact closure drives N utmost point lever to make moving contact and fixed contact closure by circuit breaker lever, set bar interlock.
Each breaker unit in described multiple breaker unit comprises terminal block and the dead-soft wire of a utmost point circuit breaker, utmost point leading-out terminal, and each dead-soft wire is connected with the terminal block of each utmost point leading-out terminal respectively through the magnet ring of electric leakage unit again.
The residual current circuit breaker of electric leakage unit and L1 utmost point circuit breaker composition 1P+N utmost point circuit breaker electric leakage one; The residual current circuit breaker of electric leakage unit and the L1 utmost point, L2 utmost point circuit breaker composition 2P+N circuit breaker electric leakage one; The residual current circuit breaker of electric leakage unit and the L1 utmost point, L2, L3 utmost point circuit breaker composition 3P+N circuit breaker electric leakage one.
Described N utmost point electric leakage unit and breaker unit shell are equipped with anti-tactile, anti-electricity-theft device.
The middle part of described electric leakage lock is waist font through hole, waist font through hole right side is square hole clipping, and square hole clipping junction is ladder type platform, and the gangbar portion for promoting L1 utmost point circuit breaker snap close is protruded in ladder type platform outside, waist font through hole below is column type through hole, puts into axle and sways.
The top of described electric leakage indication reset button is ripple glaze button portion, and button subordinate end has spring groove, spring groove to be extended with the fillet boss holding section coordinating with the lock side shape hole clipping of leaking electricity downwards, and the other end is the limiting section of electric leakage indication reset button.
Described electric leakage lock and electric leakage reset button composition electric leakage instruction and electric leakage reset comprehensive function.When arbitrary utmost point leaks electricity, electric leakage signal is passed to electronic circuit board, through electronic circuit board processing, has the signal of telecommunication to pass to leakage tripping device, leakage tripping device just moves, pull electric leakage lock, electric leakage lock rotates, and the gangbar portion of electric leakage lock drives circuit breaker snap close to separate with tripping, circuit breaker dynamic/static contact is disconnected, the reset button of simultaneously leaking electricity moves upward under action of reset spring, exposes housing, and electric leakage reset button is exposed housing instruction electric leakage.The holding section of electric leakage reset button is withstood electric leakage locking and is stayed and make circuit breaker snap close and tripping separation point position, this state is can not close handle in off-state, only press electric leakage reset button, make to leak electricity after reset button holding section closes square hole and engage with electric leakage pintle hook lock, i.e. electric leakage is locked release and just can be closed a switch.
The top of the terminal block of described N utmost point end of incoming cables fixed contact is the debugging contact site of inspection, is connected to conductive bus-bar wire connecting portion with it, and middle part is the U-shaped peristome of terminal screw; Being connected one end with top is contact weld part to downward-extension middle part, and contact weld part lower end connects and horizontal-extending part is wiring tight lock part, extends to the debugging contact site of inspection with wiring tight lock part.
The top of the terminal block of described N utmost point leading-out terminal is flexible conductor weld part, extend to conductive bus-bar wire connecting portion downwards, middle part is the U-shaped peristome of terminal screw, and being connected to downward-extension with top is spacing debugging contact site, and debugging contact site lower end connects and horizontal-extending part is wiring tight lock part.
The top of the terminal block of the described L1 utmost point, the L2 utmost point and L3 utmost point end of incoming cables fixed contact is the debugging contact site of inspection, is connected to conductive bus-bar wire connecting portion with it, and middle part becomes U-shaped opening; Being connected one end is contact weld part with top to downward-extension middle part, and contact weld part lower end connects and horizontal-extending part is wiring tight lock part.
The bottom of the terminal block of described L1 leading-out terminal is wiring tight lock part, and it upwards extends to spacing debugging contact site, and debugging contact site place end is plate-shaped conductive bus bar wire connecting portion, the U-shaped peristome of middle part terminal screw, and it extends to tabular connection end is U-shaped crimping.In the time having underproof screw, simplify dismounting and improve efficiency of assembling.
The top of the terminal block of described L2 utmost point leading-out terminal is plate-shaped conductive bus bar wire connecting portion, the U-shaped peristome of middle part terminal screw, it is spacing debugging contact site that one end left-hand downward-extension part being connected with top embeds L2 utmost point case for circuit breaker, debugging contact site lower end connects and horizontal-extending part is wiring tight lock part, and extending tabular end with wiring tight lock part is U-shaped crimping.In the time having underproof screw, simplify dismounting and improve efficiency of assembling.
The top of the terminal block of described L3 utmost point leading-out terminal is plate-shaped conductive bus bar wire connecting portion, the U-shaped peristome of middle part terminal screw, be connected with top and downwards to embed L3 utmost point case for circuit breaker be spacing debugging contact site in extension, debugging contact site lower end connects and horizontal-extending part is wiring tight lock part, and extending tabular end with wiring tight lock part is U-shaped crimping.In the time having underproof screw, simplify dismounting and improve efficiency of assembling.
Figure is carved with on the two sides, left and right at described case for circuit breaker handle place, is also provided with the assembled hole of circular arc type, heat radiation circular recess, suppending hole, indicating window at shell; Described circuit breaker handle carrier state instruction, handle instruction place respectively has two straight troughs, and instruction place is plane body, is carved with respectively 0-OFF instruction unit, 1-ON instruction unit in centre.
The U-shaped crimping of the terminal block end of the terminal block of described L1 leading-out terminal, the terminal block of L2 utmost point leading-out terminal, L3 utmost point leading-out terminal is to clamp with L1, L2, L3 flexible conductor through magnet ring, wait for the rear problematic product repairing of electric leakage debugging or do over again, the qualified rear available solder stick of electric leakage debugging welds and strengthens the reliability connecting.
The utlity model has positive effect:
1. electric leakage of the present utility model unit and breaker unit are easy to connect, available L1 utmost point circuit breaker and N utmost point electric leakage cell formation are produced the residual current circuit breaker of 1 utmost point circuit breaker electric leakage one, electric leakage unit and the L1 utmost point, L2 utmost point circuit breaker can form the leak electricity residual current circuit breaker of one of 2 utmost point circuit breakers, electric leakage unit and the L1 utmost point, the L2 utmost point, L3 utmost point circuit breaker form the residual current circuit breaker of 3 utmost point circuit breaker electric leakage one, work simplification, it is more convenient to assemble, reprocess;
2. the utlity model has electric leakage instruction and electric leakage indication reset function;
3. the utlity model has anti-electricity-theft, electrocution-proof protection function;
4. the utility model appearance looks elegant, the less compact Applied economy of volume;
5. the utility model turnover band bus-bar, the more various convenience of the mode of connection;
6. the utlity model has that temperature rise is low, segmentation ability is high, also can be produced into the residual current circuit breaker of 1 utmost point circuit breaker electric leakage one, completely alternative domestic DZ47LE-63 and the bulky circuit breaker of the import assembled residual current circuit breaker of leaking electricity.
Brief description of the drawings
Fig. 1 is three-dimensional appearance stereogram of the present utility model;
Fig. 2 is the three-dimensional structural representation that splits of the present utility model;
Fig. 3 is electric leakage of the present utility model unit floor map;
Fig. 4 is breaker unit schematic perspective view of the present utility model;
Fig. 5 is the button schematic perspective view that draws again of the present utility model;
Fig. 6 is electric leakage lock schematic perspective view of the present utility model;
Fig. 7 is the N utmost point of the present utility model, the L1 utmost point, the L2 utmost point, L3 utmost point end of incoming cables fixed contact terminal block schematic perspective view;
Fig. 8 is the terminal block schematic perspective view of N utmost point leading-out terminal of the present utility model;
Fig. 9 is the terminal block schematic perspective view of L1 utmost point leading-out terminal of the present utility model;
Figure 10 is the terminal block schematic perspective view of L2 utmost point leading-out terminal of the present utility model;
Figure 11 is the terminal block schematic perspective view of L3 utmost point leading-out terminal of the present utility model;
Figure 12 is the handle schematic perspective view of breaker unit of the present utility model.
number in the figure explanation
1-N utmost point electric leakage unit; 2-L1 utmost point circuit breaker;
3-L2 utmost point circuit breaker;
4-L3 utmost point circuit breaker;
401-sunflower figure; The round groove of 402-;
403-indicating window; The assembled hole of 404-circular arc type.
405-suppending hole;
5-electric leakage indication reset button;
501-ripple glaze button portion; 502-spring groove;
503-fillet boss portion; 504-limiting section;
6-set bar; 7-circuit breaker trace A;
8-handle pin A; 9-circuit breaker trace B;
10-handle pin B; 11-L1 dead-soft wire;
12-L1 utmost point leading-out terminal terminal block;
1201-wiring tight lock part; The spacing debugging contact site of 1202-;
The U-shaped peristome of 1203-terminal screw; 1204-plate-shaped conductive bus bar wire connecting portion;
1205-U-shaped crimping
13-L2 dead-soft wire;
14-L2 utmost point leading-out terminal terminal block;
1401-plate-shaped conductive bus bar wire connecting portion; 1402-terminal screw peristome;
The spacing debugging contact site of 1403-; 1404-wiring tight lock part;
1405-U type crimping;
15-L3 dead-soft wire;
16-L3 utmost point leading-out terminal terminal block;
1601-plate-shaped conductive bus bar wire connecting portion; 1602-terminal screw peristome;
1603-limiting section; 1604-wiring tight lock part;
1605-U type crimping;
The terminal block of 17-N utmost point end of incoming cables fixed contact;
1701-debugs contact site; 1702-conductive bus-bar wire connecting portion;
1703-terminal screw peristome; 1704-contact weld part;
1705-wiring tight lock part;
18-N utmost point moving contact; 19-N dead-soft wire;
20-N utmost point moving contact spring; 21-N utmost point lever;
22-testing button spring; 23-testing button;
24-leakage tripping device; 25-iron core pull bar;
The 26-lock that leaks electricity;
2601-waist font through hole; 2602-gangbar portion;
2603-engages square hole; 2604-column type through hole;
The terminal block of 27-N utmost point leading-out terminal;
2701-flexible conductor weld part; 2702-conductive bus-bar wire connecting portion;
2703-terminal screw peristome; The spacing debugging contact site of 2704-;
2705-wiring tight lock part;
28-magnet ring; 29-electronic circuit board;
30-handle;
3001-handle portion; 3002-1-ON instruction unit;
3003-0-OFF instruction unit; 3004-straight trough;
31-over cap.
Embodiment
Refer to shown in accompanying drawing, the utility model with 3 very embodiment be further described.
As depicted in figs. 1 and 2, the utility model provides a kind of 3 utmost point residual current circuit breaker with electric leakage indication reset function, this residual current circuit breaker comprises electric leakage unit and breaker unit, electric leakage unit and breaker unit pull electric leakage lock 26 by leakage tripping device 24, promote circuit breaker snap close and force L1 utmost point circuit breaker to disconnect action; Between L1 utmost point circuit breaker and all the other each utmost point circuit breakers, force all the other each utmost point circuit breaker actions to form creepage protection function by handle and gangbar interlock.
As shown in Figure 3, described electric leakage unit comprises the terminal block 27 of terminal block 17, N utmost point moving contact 18, N utmost point lever 21, N utmost point moving contact extension spring 20 and the N utmost point leading-out terminal of N utmost point housing, test button 23, electric leakage indication reset button 5, leakage tripping device 24, electric leakage lock 26, magnet ring 28, electronic circuit board 29, N utmost point end of incoming cables fixed contact.N utmost point lever 21 one end are inserted pivot pin and be can rotate around the axis, N utmost point lever 21 medial launders pack N utmost point moving contact 18 into, N utmost point moving contact 18 one end hang draws contact tension spring 20, N utmost point moving contact 18 middle part welding N dead-soft wires 19, the terminal block weld part 27-1 that N dead-soft wire 19 goes out terminals through magnet ring 28 and the N utmost point welds together.N utmost point lever 18 middle parts are inserted with set bar 6 and are connected with L1 utmost point circuit breaker 2 levers, and electric leakage unit dynamic/static contact closure drives N utmost point lever 21 to make moving contact 18 and fixed contact 17 closures by circuit breaker lever, set bar 6 interlocks.
As shown in Figures 2 and 3, described breaker unit comprises the terminal block 12 and L1 dead-soft wire 11 of L1 utmost point circuit breaker 2, L1 utmost point leading-out terminal, terminal block 14 and the L2 dead-soft wire 13 of L2 utmost point circuit breaker 3, L2 utmost point leading-out terminal, the terminal block 16 of L3 utmost point circuit breaker 4, L3 utmost point leading-out terminal and L3 flexible conductor 15, the L1 utmost point, the L2 utmost point, L3 dead-soft wire are connected with the terminal block of L1, L2, L3 utmost point leading-out terminal respectively through the magnet ring 28 of electric leakage unit.
Electric leakage unit and breaker unit drive iron core pull bar 25 to pull electric leakage lock 26 by leakage tripping device 24 actions, promote circuit breaker snap close and force L1 utmost point circuit breaker 2 to disconnect action; Circuit breaker and circuit breaker force L2, the action of L3 utmost point circuit breaker to form creepage protection function by handle and gangbar interlock.
Described N utmost point electric leakage unit and breaker unit shell are equipped with anti-tactile, anti-electricity-theft device, as over cap 31.
As shown in Figure 6, the middle part of described electric leakage lock 26 is waist font through hole 2601, waist font through hole 2601 right sides are square hole clipping 2603, square hole clipping 2603 junctions are ladder type platform, the gangbar portion 2602 for promoting L1 utmost point circuit breaker snap close is protruded in ladder type platform outside, waist font through hole 2601 belows are column type through hole 2604, put into axle and sway.
As shown in Figure 5, the top of described electric leakage indication reset button 5 is ripple glaze button portion 501, there is spring groove 502 button portion 501 lower ends, and spring groove 502 is extended with the fillet boss portion 503 coordinating with the lock side shape hole clipping of leaking electricity downwards, and the other end is the limiting section 504 of electric leakage indication reset button.
Electric leakage lock 26 and the 5 composition electric leakage instructions of electric leakage reset button and electric leakage reset comprehensive function.When arbitrary utmost point leaks electricity, electric leakage signal is passed to electronic circuit board 29, after electronic circuit board 29 amplifies processing, pass to leakage tripping device 24, leakage tripping device 24 just moves, and pulling electric leakage lock 26, electric leakage lock 26 rotates, the 26-2 of gangbar portion of electric leakage lock drives circuit breaker snap close to separate with tripping, and circuit breaker dynamic/static contact is disconnected, and the reset button of simultaneously leaking electricity 5 moves upward under action of reset spring, expose housing, electric leakage reset button is exposed housing and is just indicated and have electric leakage.The holding section 5-3 of electric leakage reset button withstands electric leakage lock 26 and rests on and make circuit breaker snap close and tripping separation point position, this state is can not close handle in off-state, only press electric leakage reset button 5, after the reset button holding section 5-3 that makes to leak electricity closes square hole 26-3 and engage with electric leakage pintle hook lock, i.e. electric leakage is locked 26 releases and just can be closed a switch.
As shown in Figure 7, the top of the terminal block 17 of described N utmost point end of incoming cables fixed contact is the debugging contact site 1701 of inspection, is connected to conductive bus-bar wire connecting portion 1702 with it, and middle part is the U-shaped peristome 1703 of terminal screw; Being connected one end with top is contact weld part 1704 to downward-extension middle part, and contact weld part 1704 lower ends connect and horizontal-extending part is wiring tight lock part 1705, extends to the debugging contact site of inspection with wiring tight lock part.
As shown in Figure 8, the top of the terminal block of terminal block 27, the L1 utmost point, the L2 utmost point and the L3 utmost point end of incoming cables fixed contact of described N utmost point leading-out terminal is flexible conductor weld part 2701, extend to conductive bus-bar wire connecting portion 2702 downwards, middle part is the U-shaped peristome 2703 of terminal screw, being connected to downward-extension with top is spacing debugging contact site 2704, and debugging contact site lower end connects and horizontal-extending part is wiring tight lock part 2705.
As shown in Figure 9, the bottom of the terminal block 12 of described L1 leading-out terminal is wiring tight lock part 1201, it upwards extends to spacing debugging contact site 1202, debugging contact site 1202 place's ends are plate-shaped conductive bus bar wire connecting portion 1204, the U-shaped peristome 1203 of middle part terminal screw, it extends to tabular connection end is U-shaped crimping 1205.In the time having underproof screw, simplify dismounting and improve efficiency of assembling.
As shown in figure 10, the top of the terminal block 14 of described L2 utmost point leading-out terminal is plate-shaped conductive bus bar wire connecting portion 1401, the U-shaped peristome 1402 of middle part terminal screw, it is spacing debugging contact site 1403 that one end left-hand downward-extension part being connected with top embeds L2 utmost point case for circuit breaker, debugging contact site 1403 lower ends connect and horizontal-extending part is wiring tight lock part 1404, and extending tabular end with wiring tight lock part 1404 is U-shaped crimping 1405.In the time having underproof screw, simplify dismounting and improve efficiency of assembling.
As shown in figure 11, the top of the terminal block 16 of described L3 utmost point leading-out terminal is plate-shaped conductive bus bar wire connecting portion 1601, the U-shaped peristome 1602 of middle part terminal screw, be connected with top and downwards to embed L3 utmost point case for circuit breaker be spacing debugging contact site 1603 in extension, debugging contact site 1603 lower ends connect and horizontal-extending part is wiring tight lock part 1604, and extending tabular end with wiring tight lock part 1604 is U-shaped crimping 1605.In the time having underproof screw, simplify dismounting and improve efficiency of assembling.
As shown in Figure 4, sunflower shape figure 401 is carved with on the two sides, left and right at described case for circuit breaker handle 30 places, is also provided with the assembled hole 404 of circular arc type, heat radiation circular recess 402, suppending hole 405, indicating window at shell.As shown in figure 12, described circuit breaker handle carrier state instruction, handle instruction place respectively has two straight troughs 3004, and instruction place is plane body, is carved with respectively 0-OFF instruction unit 3003,1-ON instruction unit 3002 in centre.Suppending hole 405 facilitates the temporary fixed installation of residual current circuit breaker switch, directly passes suppending hole make circuit breaker hang over the position of needs or pass suppending hole with rope and post on the position that hangs over needs by thin bar.Indicating window 403 shows contact state, and indicating window 403 upper and lower both sides have parallel slot, the operating state of outstanding product level, Eye-catching switch and elegant in appearance.
U-shaped crimping on the terminal block 16 of the terminal block 12 of described L1 leading-out terminal, the terminal block 14 of L2 utmost point leading-out terminal, L3 utmost point leading-out terminal is to facilitate flexible conductor to pass magnet ring clamping wait for the rear problematic product repairing of electric leakage debugging or do over again, and the qualified rear available solder stick of debugging that leaks electricity welds and strengthens the reliability connecting.
The utility model collection earth leakage protective illustrates below:
One, earth leakage protective:
When arbitrary utmost point leaks electricity, flexible conductor through magnet ring 28 has electric leakage signal to pass to electronic circuit board 29 under magnet ring induction effect, after amplifying processing, electronic circuit board 29 passes to leakage tripping device 24, leakage tripping device 24 just moves, pull electric leakage lock 26, electric leakage lock 26 rotates, the 26-2 of gangbar portion of electric leakage lock drives circuit breaker snap close to separate with tripping, circuit breaker dynamic/static contact is disconnected, the lever of circuit breaker, the N utmost point lever 21 of set bar interlock electric leakage unit moves, electric leakage N utmost point lever 21 drives N utmost point moving contact 18, under N utmost point moving contact contact tension spring 20 effect, separate disconnection with fixed contact is quick.The reset button of simultaneously leaking electricity 5 moves upward under action of reset spring, exposes housing, and electric leakage reset button is exposed housing dial gauge open-wire line road and occurred abnormal electric leakage.The holding section of electric leakage reset button is withstood electric leakage locking and is stayed and make circuit breaker snap close and tripping separation point position, this state is can not close handle in off-state, only press electric leakage reset button 5, after the reset button that makes to leak electricity engaging and electric leakage pintle hook lock close square hole and engage, leak electricity after locking 26 releases and just can close a switch.
Two, analog leakance test:
When residual current circuit breaker in closure state in energising, be equivalent to simulation electric leakage when pressing test reset button 22(), test reset button 22 moves downward, compressing test spring 21, test spring 21 and test circuit conducting, simulation leakage current flows through test circuit (draw at circuit end), under magnet ring 28 effects, there is residual action current to flow to leakage tripping device 24, leakage tripping device pulls electric leakage lock 26, electric leakage lock 26 rotates, and the 26-2 of gangbar portion of electric leakage lock drives circuit breaker snap close to separate with tripping, and circuit breaker dynamic/static contact is disconnected.The circuit breaker electric leakage unit dynamic/static contact that can link again under interlock effect separates and disconnects.
Above-mentioned is an embodiment of the present utility model, and design concept of the present utility model is not limited to this, allly utilizes this design to carry out substantial change to the utility model, all belongs to the behavior of invading the utility model protection range.
Claims (15)
1. one kind has the multipole residual current circuit breaker of electric leakage indication reset function, it is characterized in that: this residual current circuit breaker comprises electric leakage unit and multiple breaker unit, electric leakage unit and breaker unit pull electric leakage lock by leakage tripping device, promote circuit breaker snap close and force a utmost point circuit breaker to disconnect action; Between one utmost point circuit breaker and all the other each utmost point circuit breakers, force all the other each utmost point circuit breaker actions to form creepage protection function by handle and gangbar interlock.
2. the multipole residual current circuit breaker with electric leakage indication reset function according to claim 1, is characterized in that: described electric leakage unit comprises terminal block, N utmost point moving contact, contact tension spring, the N utmost point lever of N utmost point housing, test button, electric leakage indication reset button, leakage tripping device, electric leakage lock, magnet ring, electronic circuit board, N utmost point end of incoming cables fixed contact, the terminal block of N utmost point leading-out terminal; N utmost point lever one end is inserted axle lock and be can rotate around the axis, N utmost point lever medial launder packs N utmost point moving contact into, N utmost point moving contact one end hangs contact tension spring, N utmost point moving contact middle part welding N dead-soft wire, the terminal block that N dead-soft wire goes out terminals through magnet ring and the N utmost point welds together, N utmost point lever middle part is inserted with set bar and is connected with a utmost point circuit breaker lever, and electric leakage unit dynamic/static contact closure drives N utmost point lever to make moving contact and fixed contact closure by circuit breaker lever, set bar interlock.
3. the multipole residual current circuit breaker with electric leakage indication reset function according to claim 1, it is characterized in that: each breaker unit in described multiple breaker units comprises terminal block and the dead-soft wire of a utmost point circuit breaker, utmost point leading-out terminal, each dead-soft wire is connected with the terminal block of each utmost point leading-out terminal respectively through the magnet ring of electric leakage unit again.
4. the multipole residual current circuit breaker with electric leakage indication reset function according to claim 1, is characterized in that: the residual current circuit breaker of described electric leakage unit and L1 utmost point circuit breaker composition 1P+N circuit breaker electric leakage one; The residual current circuit breaker of described electric leakage unit and the L1 utmost point, L2 utmost point circuit breaker composition 2P+N circuit breaker electric leakage one; The residual current circuit breaker of described electric leakage unit and the L1 utmost point, the L2 utmost point, L3 utmost point circuit breaker composition 3P+N circuit breaker electric leakage one.
5. the multipole residual current circuit breaker with electric leakage indication reset function according to claim 2, is characterized in that: described N utmost point electric leakage unit and breaker unit shell are equipped with anti-tactile, anti-electricity-theft device.
6. according to the multipole residual current circuit breaker with electric leakage indication reset function described in claim 2 or 4, it is characterized in that: the middle part of described electric leakage lock is waist font through hole, waist font through hole right side is square hole clipping, square hole clipping junction is ladder type platform, the gangbar portion for promoting L1 utmost point circuit breaker snap close is protruded in ladder type platform outside, waist font through hole below is column type through hole, puts into axle and sways.
7. the multipole residual current circuit breaker with electric leakage indication reset function according to claim 2, it is characterized in that: the top of described electric leakage indication reset button is ripple glaze button portion, button subordinate end has spring groove, spring groove is extended with the fillet boss holding section coordinating with the lock side shape hole clipping of leaking electricity downwards, and the other end is the limiting section of electric leakage indication reset button.
8. the multipole residual current circuit breaker with electric leakage indication reset function according to claim 2, it is characterized in that: the top of the terminal block of described N utmost point end of incoming cables fixed contact is the debugging contact site of inspection, be connected to conductive bus-bar wire connecting portion with it, middle part is the U-shaped peristome of terminal screw; Being connected one end with top is contact weld part to downward-extension middle part, and contact weld part lower end connects and horizontal-extending part is wiring tight lock part, extends to the debugging contact site of inspection with wiring tight lock part.
9. the multipole residual current circuit breaker with electric leakage indication reset function according to claim 2, it is characterized in that, the top of the terminal block of described N utmost point leading-out terminal is flexible conductor weld part, extend to conductive bus-bar wire connecting portion downwards, middle part is the U-shaped peristome of terminal screw, being connected to downward-extension with top is spacing debugging contact site, and debugging contact site lower end connects and horizontal-extending part is wiring tight lock part.
10. the multipole residual current circuit breaker with electric leakage indication reset function according to claim 4, it is characterized in that: the top of the terminal block of the described L1 utmost point, the L2 utmost point and L3 utmost point end of incoming cables fixed contact is the debugging contact site of inspection, be connected to conductive bus-bar wire connecting portion with it, middle part becomes U-shaped opening; Being connected one end is contact weld part with top to downward-extension middle part, and contact weld part lower end connects and horizontal-extending part is wiring tight lock part.
The 11. multipole residual current circuit breaker with electric leakage indication reset function according to claim 4, it is characterized in that: the bottom of the terminal block of described L1 leading-out terminal is wiring tight lock part, it upwards extends to spacing debugging contact site, debugging contact site place end is plate-shaped conductive bus bar wire connecting portion, the U-shaped peristome of middle part terminal screw, it extends to tabular connection end is U-shaped crimping.
The 12. multipole residual current circuit breaker with electric leakage indication reset function according to claim 4, it is characterized in that: the top of the terminal block of described L2 utmost point leading-out terminal is plate-shaped conductive bus bar wire connecting portion, the U-shaped peristome of middle part terminal screw, it is spacing debugging contact site that one end left-hand downward-extension part being connected with top embeds L2 utmost point case for circuit breaker, debugging contact site lower end connects and horizontal-extending part is wiring tight lock part, and extending tabular end with wiring tight lock part is U-shaped crimping.
The 13. multipole residual current circuit breaker with electric leakage indication reset function according to claim 4, it is characterized in that: the top of the terminal block of described L3 utmost point leading-out terminal is plate-shaped conductive bus bar wire connecting portion, the U-shaped peristome of middle part terminal screw, be connected with top and downwards to embed L3 utmost point case for circuit breaker be spacing debugging contact site in extension, debugging contact site lower end connects and horizontal-extending part is wiring tight lock part, and extending tabular end with wiring tight lock part is U-shaped crimping.
The 14. multipole residual current circuit breaker with electric leakage indication reset function according to claim 3, it is characterized in that, figure is carved with on the two sides, left and right at described case for circuit breaker handle place, is also provided with the assembled hole of circular arc, heat radiation circular recess, suppending hole, indicating window at shell; Described circuit breaker handle carrier state instruction, handle instruction place respectively has two straight troughs, and instruction place is plane body, is carved with respectively 0-OFF instruction unit, 1-ON instruction unit in centre.
15. according to the multipole residual current circuit breaker with electric leakage indication reset function described in claim 11 or 12 or 13, it is characterized in that: the U-shaped crimping of the terminal block end of the terminal block of described L1 leading-out terminal, the terminal block of L2 utmost point leading-out terminal, L3 utmost point leading-out terminal is to clamp with L1, L2, L3 flexible conductor through magnet ring.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320071487.3U CN203774217U (en) | 2013-02-07 | 2013-02-07 | Multi-polar residual-current circuit breaker with electric leakage indication and reset functions |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320071487.3U CN203774217U (en) | 2013-02-07 | 2013-02-07 | Multi-polar residual-current circuit breaker with electric leakage indication and reset functions |
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| CN203774217U true CN203774217U (en) | 2014-08-13 |
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| CN201320071487.3U Expired - Fee Related CN203774217U (en) | 2013-02-07 | 2013-02-07 | Multi-polar residual-current circuit breaker with electric leakage indication and reset functions |
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| CN (1) | CN203774217U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105845519A (en) * | 2016-06-06 | 2016-08-10 | 温州罗格朗电器有限公司 | Tripping structure with self-locking function |
| CN108447747A (en) * | 2018-05-16 | 2018-08-24 | 首瑞（天津）电气设备有限公司 | A kind of small size breaker |
| CN108807091A (en) * | 2017-04-26 | 2018-11-13 | 海格科技股份有限公司 | Band residual current acting takes control switch automatically |
| CN109585232A (en) * | 2018-11-16 | 2019-04-05 | 公牛集团股份有限公司 | A kind of residual current action breaker |
-
2013
- 2013-02-07 CN CN201320071487.3U patent/CN203774217U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105845519A (en) * | 2016-06-06 | 2016-08-10 | 温州罗格朗电器有限公司 | Tripping structure with self-locking function |
| CN108807091A (en) * | 2017-04-26 | 2018-11-13 | 海格科技股份有限公司 | Band residual current acting takes control switch automatically |
| CN108807091B (en) * | 2017-04-26 | 2024-05-03 | 海格科技股份有限公司 | Automatic charge control switch with residual current action |
| CN108447747A (en) * | 2018-05-16 | 2018-08-24 | 首瑞（天津）电气设备有限公司 | A kind of small size breaker |
| CN109585232A (en) * | 2018-11-16 | 2019-04-05 | 公牛集团股份有限公司 | A kind of residual current action breaker |
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