CN101820163B - Current leakage detection protection module - Google Patents

Current leakage detection protection module Download PDF

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Publication number
CN101820163B
CN101820163B CN 201010154640 CN201010154640A CN101820163B CN 101820163 B CN101820163 B CN 101820163B CN 201010154640 CN201010154640 CN 201010154640 CN 201010154640 A CN201010154640 A CN 201010154640A CN 101820163 B CN101820163 B CN 101820163B
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CN
China
Prior art keywords
housing
current leakage
action
breaker body
protection module
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Expired - Fee Related
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CN 201010154640
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Chinese (zh)
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CN101820163A (en
Inventor
万家盛
汪志强
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Hubei Zhiguang Technology Co ltd
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Hubei Shengjia Wiring Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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Priority to CN 201010154640 priority Critical patent/CN101820163B/en
Publication of CN101820163A publication Critical patent/CN101820163A/en
Priority to PCT/CN2010/002071 priority patent/WO2011116511A1/en
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Publication of CN101820163B publication Critical patent/CN101820163B/en
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Abstract

The invention relates to a current leakage detection protection module which is connected with a circuit breaker body and comprises a first housing, a wire inlet jack of a power line is arranged on the first housing, the jack corresponds to a wire inlet hole on the circuit breaker body, and a current leakage detection coil, a current leakage processing unit and a current leakage action mechanism are arranged in the first housing, wherein the power line penetrates the current leakage detection coil; the current leakage processing unit is used for obtaining a detection signal detected by the current leakage detection coil and outputting a circuit breaking action signal when determining that the current leakage exists; and the current leakage action mechanism is used for receiving the circuit breaking action signal and producing the action for actuating the circuit breaker body to produce the circuit breaking action.

Description

Current leakage detection protection module
Technical field
What the present invention relates to is a kind of earth leakage protective device, particularly be a kind of modularization and standardization, the current leakage detection protection module that can combine with existing breaker body.
Background technology
Circuit breaker is a kind of very important power equipment; its range of application is very wide; along with people more and more pay attention to Electrical Safety; the research of the peripheral function take circuit breaker as core is more and more; wherein; earth leakage protective is exactly a very important direction; existing earth leakage protective device is commonly called as leakage switch; for when circuit or the impaired generation shorted to earth of electrical apparatus insulation; prevent that the person from getting an electric shock and the protective device of electrical fire; generally be installed on the receptacle loop of each household distribution box and the electric power incoming line of full building consumer unit on, the latter is exclusively used in electrical fire prevention.Now it being transferred to has become a kind of product on circuit breaker, but so still has following defective.
At first, whether selecting the circuit breaker with creepage protection function for the user, is its a kind of autonomous behavior, if due to certain situation, it does not want to select this function, can only again change circuit breaker.
Secondly, existing earth leakage circuit breaker in case electric leakage coil (detection of electrical leakage part) lost efficacy, needs the integral replacing circuit breaker, thereby causes waste.
At last, in case the electric leakage accident occurs, existing earth leakage circuit breaker can only cut off the power supply, can't self-locking, if but do not get rid of leak current fault, and the circuit breaker that closes immediately can make circuit breaker continue to produce the action of opening circuit, so may cause damage to power consumption equipment.
In view of defects, creator of the present invention has obtained the present invention finally through long research and practice.
Summary of the invention
The object of the present invention is to provide a kind of current leakage detection protection module, the defective that exists in order to overcome prior art.
For achieving the above object, the technical solution used in the present invention is, a kind of current leakage detection protection module is provided, it is connected with described breaker body, it comprises: one first housing, be provided with power line inlet wire jack on described the first housing, described jack is corresponding with the entrance hole on described breaker body; Be provided with in described the first housing:
One detection of electrical leakage coil, described power line passes from described detection of electrical leakage coil;
One electric leakage processing unit, it obtains the detection signal of described detection of electrical leakage coil detecting, and when determining that electric leakage occurs output one actuating signal that opens circuit;
One electric leakage actuating mechanism after receiving the described actuating signal that opens circuit, produces action and impels described breaker body to produce the action of opening circuit.
Wherein, described electric leakage actuating mechanism comprises:
One electromagnet,
One swing component, what it was subjected to described electromagnet pushes away, pulls work, thereby swings around a fixed axis;
One STATEMENT OF FEDERALLY SPONSORED, the one end is connected with described swing component, and the other end is connected with an actuating mechanism in described breaker body, moves by driving described actuating mechanism, thereby makes described breaker body produce the action of opening circuit.
Wherein, described electric leakage processing unit comprises:
One decision circuit, it receives described detection signal, and exports a triggering signal when electric leakage occurs;
One circuits for triggering, it receives described triggering signal, and produces the actuating signal that opens circuit, thereby makes described electromagnet produce action.
Better, also comprise: a return springs in order to when described electromagnet cuts off the power supply, resets its armature.
Better, also comprise: a self-locking mechanism in order to when described breaker body opens circuit action because electric leakage produces, makes described breaker body form self-locking.
Wherein, described self-locking mechanism comprises:
One self-locking mechanism body, on its upper end and described housing to appear the hole corresponding, its inside has an accommodation space, described self-locking mechanism body extends outward out one and ejects end, in order to after described electric leakage actuating mechanism action, lean on described swing component;
One elastic component, it is placed in described accommodation space, and an end contact is on described self-locking mechanism body, and in the other end and described housing, a supporting bracket leans.
Better, described swing component has a groove, and described to eject end corresponding with described groove.
Wherein, described breaker body also comprises:
One second housing,
One handle, its part expose to outside described the second housing;
Described actuating mechanism, it is placed in described the second housing, and has one group of linkage block, and wherein one first linkage block is connected with described handle, and wherein one second linkage block is connected with an acting arm; By the action of described actuating mechanism, the contact that realizes described acting arm and a fixed contact with separate.
Wherein, described the second housing is provided with a hole, one the 3rd linkage block in described actuating mechanism is connected with described STATEMENT OF FEDERALLY SPONSORED by a shifting shaft, when described STATEMENT OF FEDERALLY SPONSORED drives described shifting shaft action, thereby triggers described actuating mechanism action.
Wherein, connect by grafting between described the first housing and the second housing, realize the combination of plug and play.
Beneficial effect of the present invention is compared with the prior art, at first, creepage protection function has been realized modularization and standardization, can select voluntarily as required for this function user;
Secondly, when current leakage detection protection module lost efficacy, can by changing the recovery of module practical function, save cost.
At last, have auto-lock function, improved the fail safe of electricity consumption.
Description of drawings
Figure 1A is the schematic perspective view of current leakage detection protection module embodiment one of the present invention after breaker body is combined;
Figure 1B is that current leakage detection protection module embodiment one of the present invention is combined front schematic perspective view with breaker body;
Fig. 1 C is the STRUCTURE DECOMPOSITION schematic perspective view of current leakage detection protection module embodiment one of the present invention;
Fig. 2 A is the schematic perspective view of current leakage detection protection module embodiment two of the present invention after breaker body is combined;
Fig. 2 B is the STRUCTURE DECOMPOSITION schematic perspective view of current leakage detection protection module embodiment two of the present invention;
Fig. 3 A is that current leakage detection protection module embodiment two of the present invention is combined rear schematic diagram when not closed with breaker body;
Fig. 3 B is that current leakage detection protection module embodiment two of the present invention is combined rear schematic diagram when closed with breaker body;
Fig. 3 C is the schematic diagram of current leakage detection protection module embodiment two of the present invention when being combined rear generation electric leakage with breaker body;
Fig. 3 D is that current leakage detection protection module embodiment two of the present invention is combined schematic diagram after rear release with breaker body;
Fig. 4 A-Fig. 4 D is the action schematic diagram of the current leakage detection protection module embodiment two of the present invention outside STATEMENT OF FEDERALLY SPONSORED corresponding with above-mentioned Fig. 3 A-Fig. 3 D;
Fig. 5 A is the circuit diagram one after the combination of current leakage detection protection module of the present invention and breaker body;
Fig. 5 B is the circuit diagram two after the combination of current leakage detection protection module of the present invention and breaker body.
Embodiment
Below in conjunction with accompanying drawing, be described in more detail with other technical characterictic and advantage the present invention is above-mentioned.
See also shown in Figure 1A, it is the schematic perspective view of current leakage detection protection module embodiment one of the present invention after breaker body is combined; Described current leakage detection protection module 2 combines with described breaker body 1, and what embody on the whole is the function of a circuit breaker.This combination can be to be fixed together, but preferably adopts the mode of plug and play, more can embody modular versatility.
See also shown in Figure 1B and Fig. 1 C, it is respectively current leakage detection protection module embodiment one of the present invention and is combined front schematic perspective view and STRUCTURE DECOMPOSITION schematic perspective view with breaker body; Described current leakage detection protection module 2, it is connected with described breaker body 1, and it comprises: one first housing 20, be provided with power line inlet wire jack on described the first housing 20, described jack is corresponding with the entrance hole on described breaker body 1; Be provided with in described the first housing 2: a detection of electrical leakage coil 22, described power line passes from described detection of electrical leakage coil 22;
One electric leakage processing unit, it obtains detection signals from described detection of electrical leakage coil 22, and when determining that electric leakage occurs output one actuating signal that opens circuit, described electric leakage processing unit is arranged on a circuit board 25;
One electric leakage actuating mechanism in order to receive described opening circuit during actuating signal, produces action and impels described breaker body 1 to produce the action of opening circuit.
Wherein, described electric leakage actuating mechanism comprises:
One electromagnet 34 also comprises: a return springs in order to when described electromagnet cuts off the power supply, resets its armature.Here return springs can be spring.
One swing component 31, it pushes away, pulls work because of described electromagnet 34, can swing around a fixed axis, and the upper end of described swing component 31 is provided with an impeller-hub, and it stretches out outside described the first housing 20 when mounted;
One STATEMENT OF FEDERALLY SPONSORED 32, the one end is provided with a connecting hole, and the impeller-hub on itself and described swing component 31 plugs, and spacing by locking cap 331; Described STATEMENT OF FEDERALLY SPONSORED 32 other ends also are provided with a connecting hole, and it is connected by a swinging axle 33 with the interior actuating mechanism of described breaker body 1, and is spacing by a locking cap 332 equally.Thereby realize driving described actuating mechanism action by the motion of described STATEMENT OF FEDERALLY SPONSORED 32, thereby make described breaker body 1 produce the action of opening circuit.
Also comprise: a self-locking mechanism in order to when described breaker body 1 opens circuit action because electric leakage produces, makes described breaker body 1 form self-locking.If user or management of power use personnel by manual unlocking, can not close a floodgate, therefore can think that to a certain extent this self-locking mechanism has played certain indicative function; Illustrate that namely the reason that circuit breaker opens circuit is electric leakage.
Described self-locking mechanism comprises:
One self-locking mechanism body 23, it is corresponding that on its upper end and described the first housing 20 appears hole 201, its inside has an accommodation space, described self-locking mechanism body 23 extends outward out one and ejects end, described swing component 31 has a groove, described eject the end corresponding with described groove, in when, leak current fault not occuring, the described end that ejects stretches in described groove, when the generation leak current fault causes described electric leakage actuating mechanism action, described swing component 31 rotates, and the described end that ejects stretches out from described groove;
One elastic component 24, it is placed in described accommodation space, and an end contact is on described self-locking mechanism body 23, and a supporting bracket of the other end and described the first housing 20 leans.Described the first housing 20, inside comprises a subshell 21, described supporting bracket just is arranged on described subshell.Also be provided with a loading plate on described subshell 21, in order to place described circuit board 25 elements such as grade; When described eject the end stretch out from described groove after, it just leans on described swing component 31; Thereby make described self-locking mechanism body 23 under the effect of the restoring force of elastic component, stretch out in the hole 201 of appearing above described the first housing 20, and elastic component herein can be spring.
Need to prove for the combination between current leakage detection protection module 2 and breaker body 1, it can be to be fixedly connected with, and can be also the grafting of plug and play, for the connected mode of plug and play, as plug socket 40, realize two-partly relatively being fixedly connected with; It is a huge progress for existing power product; increased like this versatility of product; and with creepage protection function as a kind of additional function; can select according to user's actual needs; and the situation the detection of electrical leakage module lost efficacy only just can realize Lou protecting function by changing this module.
See also shown in Fig. 2 A and Fig. 2 B, it is respectively schematic perspective view and the STRUCTURE DECOMPOSITION schematic perspective view of current leakage detection protection module embodiment two of the present invention after breaker body is combined; Be with the difference of above-described embodiment one, embodiment two has increased a detection of electrical leakage button 251, is arranged on described circuit board 25.Thereby offer on described the first housing 20 accordingly and appear accordingly hole 202.For adopting detection of electrical leakage button 251 to belong to present earth leakage protective device safeguard protection means commonly used, therefore just it is not being given unnecessary details here.
See also shown in Fig. 3 A and Fig. 3 B, its be respectively current leakage detection protection module embodiment two of the present invention be combined with breaker body rear when not closed schematic diagram and the schematic diagram when closed; Above-mentioned accompanying drawing has embodied the combine schematic diagram of rear inner primary structure of current leakage detection protection module 2 and breaker body 1; Need to prove that wherein described breaker body 1 in the present invention is defined as realizing the circuit breaker (switch) of basic connecting and disconnecting of the circuit function, described breaker body also comprises:
One second housing,
One handle 11, its part expose to outside described the second housing;
Described actuating mechanism, it is the primary structure of realizing breaker body 1 basic function, and it is placed in described the second housing, and has one group of linkage block 12, wherein one first linkage block is connected with described handle, and wherein one second linkage block is connected with an acting arm; By the action of described actuating mechanism, the contact that realizes described acting arm and a fixed contact with separate.
Wherein, described the second housing is provided with a hole, the 3rd linkage block 13 in described actuating mechanism is connected with described STATEMENT OF FEDERALLY SPONSORED 32 by described shifting shaft 35, drive described shifting shaft 35 actions by described STATEMENT OF FEDERALLY SPONSORED, and by boot disk 36, trigger described actuating mechanism action.
Be provided with an electromagnet 14 in described actuating mechanism lower end, it leans mutually with the 3rd linkage block 13 in described one group of linkage block 12, described the 3rd linkage block 13 is coupling in described the second housing, namely can sway, thereby make other linkage blocks of coupling with it produce action, and then make described breaker body 1 produce the action of opening circuit.
The operating state of corresponding outside STATEMENT OF FEDERALLY SPONSORED, see also shown in Fig. 4 A and Fig. 4 B at this moment.
see also shown in Fig. 3 C and Fig. 3 D, its be respectively current leakage detection protection module embodiment two of the present invention when being combined rear generation electric leakage with breaker body schematic diagram and the schematic diagram after release, when detection of electrical leakage coil 22 detects electric leakage signal, send triggering signal by described electric leakage processing unit, described electromagnet 34 energisings make described armature movement, described swing component 31 is retracted, thereby drive STATEMENT OF FEDERALLY SPONSORED 32 and pull described the 3rd linkage block 13 actions, and then described breaker body 1 produces the action of opening circuit, the end that ejects of self-locking mechanism body 23 stretches out from the groove of described swing component 31 at this moment, under the effect of return unit 24, move upward and stretch out from 201 upper ends, hole of appearing of described the first housing 20, cause the described end that ejects to withstand on described swing component 31, because described breaker body 1 produces the action of opening circuit, described electromagnet 34 outages, although this moment return springs, wish is released described armature, but can't allow described swing component 31 reset owing to ejecting end, so this moment, STATEMENT OF FEDERALLY SPONSORED 32 can not reset, corresponding breaker body 1 can't close a floodgate.The operating state of the outside STATEMENT OF FEDERALLY SPONSORED that this moment is corresponding sees also Fig. 4 C.
Only have and described self-locking mechanism body 23 is appeared hole 201 by described the first housing 20 upper ends be pressed in housing, this moment, the described end that ejects slipped in described groove again, this moment is under the promotion of return springs, described swing component 31 resets, and then STATEMENT OF FEDERALLY SPONSORED 32 resets, and could realize breaker body 1 to close a floodgate by described handle 11 this moment.The operating state of the outside STATEMENT OF FEDERALLY SPONSORED 32 that this moment is corresponding sees also Fig. 4 D.
see also shown in Fig. 5 A, it has the earth leakage circuit breaker circuit diagram one of detection of electrical leakage module for the present invention, it is connected with a decision circuit for the two ends of described detection of electrical leakage coil 22 (L2), described decision circuit comprises: a rectifier diode D2, one filter capacitor C3, in a single day when having electric leakage to produce, described C (D) point and E (F) put two ends will produce voltage, the judgement effect that namely produces, simultaneously also just with Trigger Function, and then make described electromagnet L1 produce the action of opening circuit, be provided with detection of electrical leakage button S1 (251) on it.
See also shown in Fig. 5 B, it has the earth leakage circuit breaker circuit diagram two of detection of electrical leakage module for the present invention.Itself and above-described embodiment one compare, and it is more accurate to earth leakage protective control.The two ends of detection of electrical leakage coil 22 described here are connected with a decision circuit, in order to receive described detection signal, described decision circuit comprises: a rectifier diode D2, and a filter capacitor C3 is connected with the base stage of a triode Q2 by dropping resistor R8; When producing leakage current, low-voltage signal of triode Q2 generation this moment is triggering signal;
One circuits for triggering, it receives described triggering signal, and produces the actuating signal that opens circuit, thereby makes described electromagnet L1 (34) action.Described circuits for triggering comprise: its base stage of triode Q1 is connected with the collector electrode of described triode Q2, and its collector electrode is connected with a controllable silicon SCR, and its emitter is connected with a stabilized voltage power supply chip IC, in order to a high potential signal to be provided; The end of described electromagnet L1 is connected with phase line, and the other end is by described controllable silicon SCR ground connection; When described triode Q1 receives described low pressure triggering signal, thereby described triode Q1 conducting makes described controllable silicon SCR conducting, thereby makes described electromagnet L1 action.
The above is only preferred embodiment of the present invention, is only illustrative for the purpose of the present invention, and nonrestrictive.Those skilled in the art is understood, and can carry out many changes to it in the spirit and scope that claim of the present invention limits, revise, and even equivalence, but all will fall within the scope of protection of the present invention.

Claims (7)

1. current leakage detection protection module, it is connected with a breaker body, it is characterized in that, and it comprises: one first housing, be provided with power line inlet wire jack on described the first housing, described jack is corresponding with the entrance hole on described breaker body; Be provided with in described the first housing:
One detection of electrical leakage coil, described power line passes from described detection of electrical leakage coil;
One electric leakage processing unit, it obtains the detection signal of described detection of electrical leakage coil detecting, and when determining that electric leakage occurs output one actuating signal that opens circuit;
One electric leakage actuating mechanism after receiving the described actuating signal that opens circuit, produces action and impels described breaker body to produce the action of opening circuit;
Described electric leakage actuating mechanism comprises:
One electromagnet,
One swing component, what it was subjected to described electromagnet pushes away, pulls work, thereby swings around a fixed axis, and the upper end of described swing component is provided with an impeller-hub;
One STATEMENT OF FEDERALLY SPONSORED, the one end is connected with described swing component, and the other end is connected with an actuating mechanism in described breaker body, moves by driving described actuating mechanism, thereby makes described breaker body produce the action of opening circuit;
Described current leakage detection protection module also comprises: a self-locking mechanism in order to when described breaker body opens circuit action because electric leakage produces, makes described breaker body form self-locking; Described self-locking mechanism comprises:
One self-locking mechanism body, on its upper end and described the first housing to appear the hole corresponding, its inside has an accommodation space, described self-locking mechanism body extends outward out one and ejects end, in order to after described electric leakage actuating mechanism action, lean on described swing component;
One elastic component, it is placed in described accommodation space, and an end contact is on described self-locking mechanism body, and in the other end and described the first housing, a supporting bracket leans.
2. current leakage detection protection module according to claim 1, is characterized in that, described electric leakage processing unit comprises:
One decision circuit, it receives described detection signal, and exports a triggering signal when electric leakage occurs;
One circuits for triggering, it receives described triggering signal, and produces the actuating signal that opens circuit, thereby makes described electromagnet produce action.
3. current leakage detection protection module according to claim 1, is characterized in that, also comprises: a return springs in order to when described electromagnet cuts off the power supply, resets its armature.
4. current leakage detection protection module according to claim 1, is characterized in that, described swing component has a groove, described eject the end corresponding with described groove.
5. current leakage detection protection module according to claim 1, is characterized in that, described breaker body also comprises:
One second housing,
One handle, its part expose to outside described the second housing;
Described actuating mechanism, it is placed in described the second housing, and has one group of linkage block, and wherein one first linkage block is connected with described handle, and wherein one second linkage block is connected with an acting arm; By the action of described actuating mechanism, the contact that realizes described acting arm and a fixed contact with separate.
6. current leakage detection protection module according to claim 5; it is characterized in that; described the second housing is provided with a hole; one the 3rd linkage block in described actuating mechanism is connected with described STATEMENT OF FEDERALLY SPONSORED by a shifting shaft; when described STATEMENT OF FEDERALLY SPONSORED drives described shifting shaft action, thereby trigger described actuating mechanism action.
7. current leakage detection protection module according to claim 6, is characterized in that, connects by grafting between described the first housing and the second housing, realizes the combination of plug and play.
CN 201010154640 2010-03-26 2010-03-26 Current leakage detection protection module Expired - Fee Related CN101820163B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN 201010154640 CN101820163B (en) 2010-03-26 2010-03-26 Current leakage detection protection module
PCT/CN2010/002071 WO2011116511A1 (en) 2010-03-26 2010-12-17 Current leakage detection module, current leakage detection protection module and current leakage protection circuit breaker with current leakage detection module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201010154640 CN101820163B (en) 2010-03-26 2010-03-26 Current leakage detection protection module

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CN101820163A CN101820163A (en) 2010-09-01
CN101820163B true CN101820163B (en) 2013-06-19

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011116511A1 (en) * 2010-03-26 2011-09-29 湖北盛佳电器设备有限公司 Current leakage detection module, current leakage detection protection module and current leakage protection circuit breaker with current leakage detection module
CN102142339B (en) * 2011-03-02 2013-06-05 许胜� Miniature circuit breaker with current leakage protector

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5231309A (en) * 1990-06-15 1993-07-27 Konica Corporation Current leakage breaking circuit for a copying apparatus
CN2513222Y (en) * 2001-12-25 2002-09-25 陈酌升 Combined leakage protection controller
CN101009426A (en) * 2006-01-25 2007-08-01 三菱电机株式会社 Circuit breaking apparatus
CN201656430U (en) * 2010-03-26 2010-11-24 湖北盛佳电器设备有限公司 Leakage detection protective module

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5231309A (en) * 1990-06-15 1993-07-27 Konica Corporation Current leakage breaking circuit for a copying apparatus
CN2513222Y (en) * 2001-12-25 2002-09-25 陈酌升 Combined leakage protection controller
CN101009426A (en) * 2006-01-25 2007-08-01 三菱电机株式会社 Circuit breaking apparatus
CN201656430U (en) * 2010-03-26 2010-11-24 湖北盛佳电器设备有限公司 Leakage detection protective module

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Effective date of registration: 20190415

Address after: 430040 No. 8 (10) Ruihe Sixth Road, Ruihe Office, Dongxihu District, Wuhan City, Hubei Province

Patentee after: HUBEI ZHIGUANG TECHNOLOGY Co.,Ltd.

Address before: 430023 Shengjia Company on the second floor of Hankou Pioneering Center, No. 6 Jiangxing Road, Wuhan City, Hubei Province

Co-patentee before: Wan Jiasheng

Patentee before: HUBEI SHENGJIA WIRING Co.,Ltd.

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Granted publication date: 20130619