CN101183624B - Circuit breaker - Google Patents
Circuit breaker Download PDFInfo
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- CN101183624B CN101183624B CN2007101816479A CN200710181647A CN101183624B CN 101183624 B CN101183624 B CN 101183624B CN 2007101816479 A CN2007101816479 A CN 2007101816479A CN 200710181647 A CN200710181647 A CN 200710181647A CN 101183624 B CN101183624 B CN 101183624B
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Abstract
The invention relates to a circuit decoupler which can improve the arrangement of an electromagnetic tripping device and a printed substrate and can form a thinner and smaller decoupler shell. Three load-side terminals (4) and power-side terminals (3) are respectively arrayed upwards and downwards on the front side and the back side of the decoupler shell (2). A zero-phase converter (20), a printed substrate (21) and an electromagnetic tripping device (22) are arranged inside the decoupler shell (2). A circuit for driving the electromagnetic tripping device (22) to act is formed on the printed substrate (21). The printed substrate (21) is arranged in parallel to the side of the decoupler shell (2), and the electromagnetic tripping device (22) is arranged to be closely connected with the lower side of the printed substrate (21). The terminal pin (31) of the electromagnetic tripping device (22) is directly connected with the terminal hole of the printed substrate (21), and the electromagnetic tripping device (22) and the printed substrate (21) are assembled integrally and then are electrically connected with a circuit.
Description
Technical field
The present invention relates to possess the circuit breaker of electric leakage break function.
Background technology
Be well known that in the past to possess and made the action of electromagnetism trip gear when having taken place and the circuit breaker of the function of open circuit in circuit electric leakage.For example; In patent documentation 1, put down in writing the zero phase current transformer, electromagnetism trip gear and the printed base plate that detect usefulness in the configuration electric leakage of decoupler enclosure interior, on printed base plate, be provided with based on the output of zero phase current transformer and make the circuit of electromagnetism trip gear action and the circuit breaker of the tester of the action of test electromagnetism trip gear.
Also have, the technology of miniaturized circuit decoupler also is known.For example, in patent documentation 2, put down in writing technology at decoupler lower part of frame centralized configuration zero phase current transformer, electromagnetism trip gear and printed base plate.In patent documentation 3, put down in writing technology at be arranged above and below three power supply side terminals and two load side terminals of decoupler housing.In patent documentation 4, put down in writing and be divided into three left and right, middle housing sheets to the decoupler housing, with the technology of metal each housing sheets of coupling component combination such as screw.
Patent documentation 1: the spy opens the 2002-216612 communique
Patent documentation 2: the spy opens the 2002-324475 communique
Patent documentation 3: the spy opens the 2002-216610 communique
Patent documentation 4: the spy opens the 2000-306487 communique
Summary of the invention
The problem that invention will solve
There is following problem points in the available circuit decoupler.
(A) the bottom surface configured in parallel of printed base plate and decoupler housing, thereby the amplitude of the left and right directions of housing becomes big, the whole thickening of circuit breaker.
(B) the electromagnetism trip gear is arranged on the position of leaving printed base plate, thereby in order to be connected the electromagnetism trip gear with circuit on the substrate, need guarantee the distribution space of lead in the inside of housing.
(C) the distribution spatial constraints of the configuration of printed base plate and lead the machine of decoupler enclosure interior arrange.
(D) in the decoupler housing of Splittable, be to make up the housing sheet each other, thereby need big insulating space be set between coupling component and internal machine with metal coupling component, can hinder the miniaturization of decoupler housing.
Main purpose of the present invention provides the configuration that improves electromagnetism trip gear and printed base plate, can more approach, littler the circuit breaker that constitutes the decoupler housing.
Be used to solve the scheme of problem
In order to solve above-mentioned problem; The present invention is respectively on the front and the back side of decoupler housing; At a plurality of load side terminals and the power supply side terminal of being arranged above and below; In the set inside of decoupler housing electric leakage detect zero phase current transformer, printed base plate and the electromagnetism trip gear of usefulness, on printed base plate, formed the circuit breaker that makes the circuit of electromagnetism trip gear action based on the output of zero phase current transformer, it is characterized in that having adopted following formation.
(1) a kind of circuit breaker is characterized in that, with the side almost parallel of decoupler housing disposed printed base plate, be provided with the electromagnetism trip gear by mode with the printed base plate adjacency.
(2) circuit breaker of above-mentioned (1) record is characterized in that, the input terminal of electromagnetism trip gear is combined with the lead-out terminal of printed base plate, is assembled into one to electromagnetism trip gear and printed base plate, and it is electrically connected with circuit.
(3) circuit breaker of above-mentioned (1) or (2) record is characterized in that, has disposed printed base plate on the top of decoupler housing, is provided with the electromagnetism trip gear at the downside of printed base plate.
(4) circuit breaker of above-mentioned (3) record is characterized in that the electromagnetism trip gear possesses the plunger that can move to the fore-and-aft direction of decoupler housing.
(5) circuit breaker of above-mentioned (4) record is characterized in that, at the downside of electromagnetism trip gear, arranges by the mode of extending to the fore-and-aft direction of decoupler housing and to be provided with to the bimetal leaf of overcurrent induction with to the movable electromagnetic plate of short circuit current induction.
(6) circuit breaker of above-mentioned (3), (4) or (5) record; It is characterized in that; On the part of circuit, be provided with the test circuit of the action of test electromagnetism trip gear; The Test Switchboard of connection/cut-out test circuit has been installed on printed base plate, has been disposed the testing button of operational testing switch on the decoupler housing.
(7) circuit breaker of any record in above-mentioned (1)～(6) is characterized in that, combination pair of right and left housing sheet has constituted above-mentioned decoupler housing by thin box-shaped, with the parallel sided of two side's housing sheets disposed printed base plate.
(8) circuit breaker of above-mentioned (7) record is characterized in that, the housing sheet be by about connect the decoupler housing plastic coupling component combine.
(9) circuit breaker of above-mentioned (8) record is characterized in that, the housing sheet is to be combined by coupling component nearby that connects power supply side terminal and the coupling component nearby that connects the load side terminal.
(10) circuit breaker of above-mentioned (8) or (9) record is characterized in that coupling component possesses two abutting parts with left and right sides housing sheet butt, and side's abutting part is that elastically deformable ground forms.
The invention effect
Decoupler in a circuit according to the invention, with the side almost parallel of decoupler housing disposed printed base plate, the direction of printed base plate is equated, thereby the amplitude of the left and right directions of the decoupler housing that can narrow with the orientation of power supply side terminal and load side terminal.Also have, be provided with the electromagnetism trip gear by mode, thereby can dwindle or omit distribution space between the two, can effectively utilize the inner space of decoupler housing with the printed base plate adjacency.Therefore, have and to approach and little the effect that constitutes the entire circuit decoupler.
Description of drawings
Fig. 1 is the overall perspective of the circuit breaker of an expression execution mode of the present invention.
Fig. 2 is the perspective view with the outward appearance of the STA representation decoupler housing that has decomposed coupling component.
Fig. 3 is the assembled configuration figure of the related decoupler housing of coupling component.
Fig. 4 is the perspective view of the internal mechanism of indication circuit decoupler.
Fig. 5 is the left surface figure that is illustrated in internal mechanism under "on" position and the off-state.
Fig. 6 is the right hand view of the action of expression testing button and Test Switchboard.
Fig. 7 is the perspective view of the assembled configuration of expression printed base plate and electromagnetism trip gear.
Fig. 8 is the circuit diagram of the circuit on the expression printed base plate.
Symbol description
1 circuit breaker
2 decoupler housings
2a left shell sheet
2b right shell body sheet
3 power supply side terminals
4 load side terminals
5 operating grips
Coupling component before 6
The 6a abutting part
The abutting part of 6b elastically deformable
Coupling component before 7
The 7a abutting part
The abutting part of 7b elastically deformable
15 separators
17 switching contacts
20 zero phase current transformers
21 printed base plates
22 electromagnetism trip gears
23 movable electromagnetic plates
24 bimetal leafs
33 plungers
41 circuit
43 test circuits
45 Test Switchboards
48 testing buttons
Embodiment
Below, an execution mode that is embodied as the present invention the circuit breaker that single-phase three-wire formula circuit uses is described based on accompanying drawing.The integral body of Fig. 1 indication circuit decoupler.Fig. 2 is with the outward appearance of the STA representation decoupler housing that decomposed coupling component.Fig. 3 representes the assembled configuration of the decoupler housing that coupling component is related.Fig. 4 (a) takes off the internal mechanism that left side housing sheet comes the indication circuit decoupler, and Fig. 4 (b) takes off right side housing sheet to represent internal mechanism.Fig. 5 (a) is the internal mechanism that is illustrated under the "on" position of circuit, and Fig. 5 (b) is the internal mechanism that is illustrated under the off-state.
Fig. 6 (a) representes to have cut off through testing button and Test Switchboard the state of the test circuit on the printed base plate, and the state of test circuit has been connected in Fig. 6 (b) expression.Fig. 7 (a) to be having decomposed the STA representation of printed base plate and electromagnetism trip gear, the STA representation of Fig. 7 (b) to have made up.Fig. 8 is illustrated in the formation of the circuit that forms on the printed base plate.In addition, in following explanation, the face of the front of circuit breaker, the face of the back side, top face, the face of left surface, the face of right flank as the inboard as the front side as upside as the left side as the right side of Fig. 1.
As shown in Figure 1, the circuit breaker 1 of this execution mode possesses the decoupler housing 2 of four jiaos of thin box-shapeds of preceding face tilt.The plastic pair of right and left housing sheet 2a of decoupler housing 2 combination, 2b and constitute.On the back side and front of decoupler housing 2, be arranged in straight line to three power supply side terminals 3 (3 a, 3b, 3c) and load side terminal 4 (4a, 4b, 4c) at above-below direction respectively.On on decoupler housing 2, direction has disposed the moving operating grip 5 that circuit between power supply side terminal 3 and the load side terminal 4 is carried out opening and closing operations of armrest rotationally forwards, backwards.
Like Fig. 2, shown in Figure 3, the left and right sides housing sheet 2a of decoupler housing 2,2b are by 6,7 combinations of the two kinds of coupling components in front and back.Before coupling component 6 load side terminal 4 nearby from about connect decoupler housing 2, back coupling component 7 power supply side terminal 3 nearby from about perforation decoupler housing 2.Particularly; Three preceding coupling components 6 connect the connecting pore 8 (with reference to Fig. 3 a, b) of housing sheet 2a, 2b at the upside of three load side terminal 4a, 4b, 4c, and coupling component 7 connects the connecting pore 9 (with reference to Fig. 3 a, c) of housing sheet 2a, 2b at the downside of two power supply side terminal 3b, 3c after two.
Front and back coupling component 6,7 is pressed lamellar shaping with synthetic resin materials such as nylon separately.Before coupling component 6 possess with the cardinal extremity abutting part 6a of the recess 8a butt of connecting pore 8 and with the front end abutting part 6b of the stage portion 8b butt of connecting pore 8, the formation of front end abutting part 6b elastically deformable ground.Back coupling component 7 possess with the cardinal extremity abutting part 7a of the recess 9a butt of connecting pore 9 and with the front end abutting part 7b of the stage portion 9b butt of connecting pore 9, front end abutting part 7b elastically deformable ground forms.In addition, rearward end two places of housing sheet 2a, 2b lean on pin 10 to connect.
Shown in Fig. 4 (a) and (b), in power supply side terminal 3, the terminal 3a of upside is as the neutral pole terminal, and the terminal 3b of central authorities and the terminal 3c of downside are as the voltage pole terminal.Each terminal 3a～3c possesses the power supply side terminal joint 11 of C font in the rearward end inboard of decoupler housing 2, be as long as insert the plug-in type formation that the stub in the distribution board just can connect simply.In load side terminal 4, the terminal 4b of central authorities is as the neutral pole terminal, and terminal 4a, 4c are as the voltage pole terminal up and down.Each terminal 4a～4c possesses load side clamped nipple 12 in the leading section inboard of decoupler housing 2, is as long as insert the fast eliminant formation that the load distribution just can connect simply.In addition, the obsolete terminal in the load side terminal 4 (for example, the terminal 4a that Fig. 1 representes, the terminal 4b that Fig. 4 representes) is in order to prevent the intrusion of mis-wired or dust, by terminal cover 13 obstructions of slidingtype.
As shown in Figure 5, in the inside of decoupler housing 2, can be provided with separator 15 movably to above-below direction sideling, it is energized to the top by disc spring 16.The tubular that separator 15 is pressed lengthwise forms, the built-in switching contact 17 at three places of length direction.Opening and closing contact 17 is made up of last bonding fixed contact 18 of the protruding end 12a of load side clamped nipple 12 and the moving contact 19 that is electrically connected with power supply side terminal joint 11.And, but moving contact 19 one are installed on separator 15 movably, and separator 15 (a) goes up and down with the open position (with reference to Fig. 5 b) of opening switching contact 17 with reference to Fig. 5 in the position of closing of closing switching contact 17.
At the rear side of separator 15, in the bottom of decoupler housing 2, be provided with the zero phase current transformer 20 of the electric leakage of detecting circuit, on the top of decoupler housing 2, with the parallel sided of left and right sides housing sheet 2a, 2b disposed printed base plate 21.At the downside of printed base plate 21, horizontally set the electromagnetism trip gear 22 of action when electric leakage takes place, on printed base plate 21, formed the circuit 41 (with reference to Fig. 8) that is used to make 22 actions of electromagnetism trip gear.At the downside of electromagnetism trip gear 22, at each two up and down, the mode of extending to the fore-and-aft direction of decoupler housing 2 is arranged and is provided with to the movable electromagnetic plate 23 of the short circuit current induction of circuit with to the bimetal leaf 24 of overcurrent induction by respectively.
Like Fig. 5, shown in Figure 6, be provided with the lock 26 of switching mechanism portion 25 in the upper end of separator 15, the parts 27 of triping that can under the state of energizing, go up and down lock 26 downside being provided with downwards by disc spring 28.The parts 27 of triping are forming up and down longways, engage with the movable end of electromagnetism trip gear 22, movable electromagnetic plate 23 and bimetal leaf 24 respectively in its underpart.And when electromagnetism trip gear 22, movable electromagnetic plate 23 or bimetal leaf 24 moved, the parts 27 of triping rose, and junction surface, the upper end 27a of these parts 27 unclamps lock 26, and switching mechanism portion 25 makes separator 15 rise to open position from closing the position.
As shown in Figure 7, electromagnetism trip gear 22 possesses the bobbin 30 with printed base plate 21 adjacency, is provided with two terminal pins 31 of input electric power in the rear and front end of bobbin 30.Formed two terminal holes 32 of output power in the lower edge of printed base plate 21, combined with it through welding under the state of terminal pins 31 in being inserted into terminal hole 32.Terminal pins 31 is connected with coil on bobbin 30 (diagram is omitted), and terminal hole 32 is arranged in the part of the wiring graph of circuit 41.Be assembled into one to electromagnetism trip gear 22 and printed base plate 21 thus, and be electrically connected with circuit 41 on the printed base plate 21.
In the bobbin 30 of electromagnetism trip gear 22, by being provided with plunger 33 to the mode that move the front and back of decoupler housing 2, L shaped crank 34 can supported up and down by axle 36 through support 35 rotationally.Front end in plunger 33 has formed the zigzag part 33a that engages with L shaped crank 34, has formed the junction surface 34a that engages with the parts 27 of triping at the front end of L shaped crank 34.And, when electric leakage takes place the coil of electromagnetism trip gear 22 by excitation the time, plunger 33 is submerged and L shaped crank 34 is rotated to the top to the inboard of bobbin 30, L shaped crank 34 rises the parts 27 of triping.
As shown in Figure 8, be provided with the test circuit 43 that output based on zero phase current transformer (ZCT) 20 comes the action of electric leakage detecting circuit 42 that the IC of the electric leakage of detecting circuit changed and tester electromagnetism trip gear 22 in the circuit 41 on printed base plate 21.Test circuit 43 possesses the contact portion 44 that lets electric leakage detecting circuit 42 that doubtful leakage current takes place, and this contact portion 44 is connected/cut off by Test Switchboard 45.Test Switchboard 45, as shown in Figure 6, be bent into steel wire horizontal U font and form, the leading section of its cardinal extremity and printed base plate 21 is bonding, is electrically connected with a side contact of contact portion 44.
The middle zigzag part of Test Switchboard 45 is supported in the fulcrum 39 of load side clamped nipple 12 being removed the relieving rod 38 of operation.Free end at Test Switchboard 45 has formed switch portion 46, and switch portion 46 is arranged to can contact, separate from the top for prominent rod 47 (the opposing party contacts of contact portion 44), contact of establishing on the printed base plate 21.The testing button 48 that is used for operational testing switch 45 is configured on decoupler housing 2 top near the front side of operating grip 5.Also have,, on the right flank of switching mechanism portion 25, formed projection 49 from the mode of descending side engagement by the first half with Test Switchboard 45 in the upper end of separator 15.
Secondly, the action of the circuit breaker 1 that constitutes in a manner described is described.(with reference to Fig. 5 a), separator 15 dropped to and closes the position, opens and closes contact 17 and closes, and operating grip 5 is poured on the top horizontal level that is connected with decoupler housing 2 when circuit was in "on" position.And, the chain bar 14 that the lock 26 of switching mechanism portion 25 pins between operating grip 5 and the separator 15, separator 15 remains under the state that has compressed disc spring 16 and closes the position.
Under this "on" position, there is electric leakage to take place in the circuit, the output of zero phase current transformer 20 will be risen, and electric leakage detecting circuit 42 is judged electric leakage, and electromagnetism trip gear 22 carries out the migration action.Then, plunger 33 rotating cranks 34 of electromagnetism trip gear 22, crank 34 rise the parts 27 of triping, and the parts 27 of triping unclamp lock 26, and switching mechanism portion 25 makes chain bar 14 freedom.Thus, separator 15 leans on the energizing power of disc spring 16 and rises to open position, opens and closes contact 17 to open, and operating grip 5 erects (with reference to Fig. 5 b) above decoupler housing 2.
On the other hand, when in circuit, having overcurrent or short circuit current to flow, movable electromagnetic plate 23 or bimetal leaf 24 actions; The same with the occasion of electromagnetism trip gear 22, the parts 27 of triping rise, and separator 15 rises to open position; Open and close contact 17 and open, operating grip 5 erects.When under this off-state, making circuit return "on" position, push over operating grip 5 to horizontal level, separator 15 is dropped to close the position, close and open and close contact 17 from set-up positions.
Also have, when the motion test of electromagnetism trip gear 22, press testing button 48, the switch portion 46 of Test Switchboard 45 will descend and contact (with reference to Fig. 6 b) with contact rod 47, and test circuit 43 is connected, and in electric leakage detecting circuit 42, produces doubtful leakage current.Remove pushing of testing button 48, switch portion 46 is left contact rod 47 with regard to the elastic restoring force of leaning on Test Switchboard 45, and (with reference to Fig. 6 a), test circuit 43 cuts off.In addition, under the on-state of test circuit 43, when separator 15 rose to open position, rod 47 drew back switch portion 46 to projection 49 from the contact, cuts off test circuit 43 by the strong hand.
Thereby,, can obtain following effect according to the circuit breaker 1 of this execution mode.
(a) dispose printed base plate 21 with the parallel sided of decoupler housing 2 ground, the direction of printed base plate 21 is equated with the orientation of power supply side terminal 3 and load side terminal 4, thereby can press the thin box-shaped formation decoupler housing 2 of the degree of thickness 10mm.
(b) directly be connected the terminal pins 31 of electromagnetism trip gear 22 with the terminal hole 32 of printed base plate 21, thereby saved the distribution between printed base plate 21 and the electromagnetism trip gear 22, can effectively utilize the inner space of decoupler housing 2.
(c) at the downside of printed base plate 21; Separately by the mode alignment arrangements of extending at the fore-and-aft direction of decoupler housing 2 electromagnetism trip gear 22, movable electromagnetic plate 23 and bimetal leaf 24; Thereby can control the height of decoupler housing 2 lowlyer, make circuit breaker 1 integral miniaturization.
(d) test circuit 43 and Test Switchboard 45 have been installed on the printed base plate 21 on decoupler housing 2 tops; Disposed the testing button 48 of operational testing switch 45 on decoupler housing 2; Thereby can improve the degree of freedom that housing 2 inner machines are arranged mechanism for testing parts centralized configuration on the top of decoupler housing 2.
(e) be combined into left and right sides housing sheet 2a, the 2b of decoupler housing 2 by plastic coupling component 6,7, thereby can dwindle the insulating space between coupling component 6,7 and the internal machine, promote the miniaturization of decoupler housing 2.
(f) coupling component 6,7 before and after having set near power supply side terminal 3 and the load side terminal 4, thereby can improve the insulation property of portion of terminal especially and assemble intensity.
(g) form side's abutting part 6b, the 7b of coupling component 6,7 elastically deformable, thereby can easily assemble decoupler housing 2.
The invention is not restricted to above-mentioned execution mode,, can in the scope of the aim that does not break away from invention, suitably change the formation of each several part and implement as following illustrative.
(1) is made as the vertical plane parallel to the front of decoupler housing 2, separator 15 can be set in the mode that vertical direction moves by inside at decoupler housing 2 with the back side.
(2) opposite with above-mentioned execution mode, open and close contact 17 and the mode of open circuit constitutes by opening through the decline of separator 15.
(3) be applicable to the circuit breaker that single-phase 2 line formula circuit, three-phase circuit are used to the present invention.
(4) be applicable to the circuit breaker that does not possess the short circuit current break function to the present invention, or do not possess the circuit breaker of overcurrent break function.
Claims (8)
1. circuit breaker; Respectively on the front and the back side of decoupler housing; At a plurality of load side terminals and the power supply side terminal of being arranged above and below, in the set inside of decoupler housing electric leakage detect zero phase current transformer, printed base plate and the electromagnetism trip gear of usefulness, on printed base plate, formed the circuit that makes the action of electromagnetism trip gear based on the output of zero phase current transformer; It is characterized in that
With the side almost parallel of decoupler housing disposed above-mentioned printed base plate, be provided with the electromagnetism trip gear by the mode adjacent at the downside of printed base plate with printed base plate,
Above-mentioned electromagnetism trip gear is provided with the terminal pins of input electric power; Be formed with the terminal hole of output power in the lower edge of above-mentioned printed base plate; Above-mentioned terminal pins is inserted in the above-mentioned terminal hole; Thereby be assembled into one to electromagnetism trip gear and above-mentioned printed base plate, and this electromagnetism trip gear is electrically connected with foregoing circuit on the above-mentioned printed base plate.
2. circuit breaker according to claim 1 is characterized in that, above-mentioned electromagnetism trip gear possesses the plunger that can move to the fore-and-aft direction of decoupler housing.
3. circuit breaker according to claim 2; It is characterized in that; At the downside of above-mentioned electromagnetism trip gear, arrange by the mode of extending and to be provided with to the bimetal leaf of overcurrent induction with to the movable electromagnetic plate of short circuit current induction to the fore-and-aft direction of decoupler housing.
4. circuit breaker according to claim 1; It is characterized in that; On the part of foregoing circuit, be provided with the test circuit of the action of test electromagnetism trip gear; The Test Switchboard of connection/cut-out test circuit has been installed on printed base plate, has been disposed the testing button of operational testing switch on the decoupler housing.
5. circuit breaker according to claim 1 is characterized in that, combination pair of right and left housing sheet has constituted above-mentioned decoupler housing by thin box-shaped, with the parallel sided of two side's housing sheets disposed printed base plate.
6. circuit breaker according to claim 5 is characterized in that, above-mentioned housing sheet be by about connect the decoupler housing plastic coupling component combine.
7. circuit breaker according to claim 6 is characterized in that, above-mentioned housing sheet is to be combined by coupling component nearby that connects power supply side terminal and the coupling component nearby that connects the load side terminal.
8. according to claim 6 or 7 described circuit breakers, it is characterized in that above-mentioned coupling component possesses two abutting parts with left and right sides housing sheet butt, side's abutting part is that elastically deformable ground forms.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006305662 | 2006-11-10 | ||
| JP2006305662A JP4921931B2 (en) | 2006-11-10 | 2006-11-10 | Circuit breaker |
| JP2006-305662 | 2006-11-10 | ||
| JP2006-314575 | 2006-11-21 | ||
| JP2006314575 | 2006-11-21 | ||
| JP2006314575A JP4921934B2 (en) | 2006-11-21 | 2006-11-21 | Circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101183624A CN101183624A (en) | 2008-05-21 |
| CN101183624B true CN101183624B (en) | 2012-03-21 |
Family
ID=39448830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101816479A Active CN101183624B (en) | 2006-11-10 | 2007-10-22 | Circuit breaker |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4921931B2 (en) |
| CN (1) | CN101183624B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102194619B (en) * | 2010-03-16 | 2014-08-13 | 施耐德电器工业公司 | Test device for circuit breaker and circuit breaker with test device |
| JP2017154088A (en) * | 2016-03-02 | 2017-09-07 | 大見工業株式会社 | Controller of electrostatic dust collector |
| CN112164629B (en) * | 2020-09-25 | 2023-05-12 | 湖南瑞智电气科技有限公司 | Grounding circuit breaker |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2988133B2 (en) * | 1992-07-30 | 1999-12-06 | 松下電工株式会社 | Circuit breaker |
| JPH08180792A (en) * | 1994-12-22 | 1996-07-12 | Mitsubishi Electric Corp | Earth leakage breaker |
| JP3405264B2 (en) * | 1999-04-12 | 2003-05-12 | 松下電工株式会社 | Circuit breaker |
| JP2002075164A (en) * | 2000-09-05 | 2002-03-15 | Nitto Electric Works Ltd | Ground leakage breaker |
| JP3763275B2 (en) * | 2001-11-27 | 2006-04-05 | 松下電工株式会社 | Earth leakage breaker |
-
2006
- 2006-11-10 JP JP2006305662A patent/JP4921931B2/en active Active
-
2007
- 2007-10-22 CN CN2007101816479A patent/CN101183624B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101183624A (en) | 2008-05-21 |
| JP2008123808A (en) | 2008-05-29 |
| JP4921931B2 (en) | 2012-04-25 |
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