CN101820163A - Current leakage detection protection module - Google Patents
Current leakage detection protection module Download PDFInfo
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- CN101820163A CN101820163A CN 201010154640 CN201010154640A CN101820163A CN 101820163 A CN101820163 A CN 101820163A CN 201010154640 CN201010154640 CN 201010154640 CN 201010154640 A CN201010154640 A CN 201010154640A CN 101820163 A CN101820163 A CN 101820163A
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- 238000001514 detection method Methods 0.000 title claims abstract description 67
- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 230000009471 action Effects 0.000 claims abstract description 41
- 230000004308 accommodation Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 14
- 230000001681 protective effect Effects 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 230000002950 deficient Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
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- 230000001771 impaired effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
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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
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 the existing circuit 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 peripheral function that with the circuit breaker is core is more and more; wherein; earth leakage protective is exactly a crucial direction; existing earth leakage protective device is commonly called as leakage switch; be to be used for that when the impaired generation shorted to earth of circuit or the electrical apparatus insulation anti-person gets an electric shock and the protection electrical equipment 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 the circuit breaker, but so still has following defective.
At first, whether selecting the circuit breaker with creepage protection function for use for the user, is its a kind of autonomous behavior, if because certain situation, it does not want to select for use this function, then can only change circuit breaker again.
Secondly, existing earth leakage circuit breaker in case electric leakage coil (detection of electrical leakage part) lost efficacy, then needs the integral replacing circuit breaker, thereby causes waste.
At last, in case the electric leakage accident takes place, 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 then can make circuit breaker continue to produce the action of opening circuit, so may cause damage to power consumption equipment.
In view of above-mentioned defective, creator of the present invention is through research and practice have obtained the present invention finally for a long time.
Summary of the invention
The object of the present invention is to provide a kind of current leakage detection protection module, in order to overcome the defective that prior art exists.
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, described first housing is provided with power line inlet wire jack, and described jack is corresponding with the entrance hole on the described breaker body; Be provided with in described 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 takes place 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, spurs work, thereby around fixed axis swing;
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 the 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 takes place;
One circuits for triggering, it receives described triggering signal, and produces the actuating signal that opens circuit, thereby makes described electromagnet produce action.
Preferable, also comprise: a return springs in order to when described electromagnet cuts off the power supply, resets its armature.
Preferable, also comprise: a self-locking mechanism in order to when described breaker body opens circuit action because of 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 the described housing to appear the hole corresponding, its inside has an accommodation space, described self-locking mechanism body extends one to the outside and ejects end, in order to after described electric leakage actuating mechanism action, lean on described swing component;
One elastic component, it places in the described accommodation space, and an end contact is on described self-locking mechanism body, and a supporting bracket leans in the other end and the described housing.
Preferable, described swing component has a groove, and the described end that ejects is corresponding with described groove.
Wherein, described breaker body also comprises:
One second housing,
One handle, its part expose to outside described second housing;
Described actuating mechanism, it places in described second housing, and has one group of interlock piece, and wherein one first interlock piece is connected with described handle, and wherein one second interlock piece is connected with an acting arm; By the action of described actuating mechanism, the contact that realizes a described acting arm and a fixed contact with separate.
Wherein, described second housing is provided with a hole, in the described actuating mechanism one the 3rd interlock piece is connected with described STATEMENT OF FEDERALLY SPONSORED by a shifting shaft, when described STATEMENT OF FEDERALLY SPONSORED drives described shifting shaft action, moves thereby trigger described actuating mechanism.
Wherein, connect by grafting between described first housing and second housing, realize the combination of plug and play.
Beneficial effect of the present invention compared with the prior art is, at first, creepage protection function has been realized modularization and standardization, can select voluntarily as required at this function user;
Secondly, when current leakage detection protection module lost efficacy, can save cost by changing the recovery that module realizes function.
At last, have auto-lock function, improved the fail safe of electricity consumption.
Description of drawings
Figure 1A is current leakage detection protection module embodiment one of the present invention and schematic perspective view after breaker body combines;
Figure 1B combines preceding schematic perspective view for current leakage detection protection module embodiment one of the present invention 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 current leakage detection protection module embodiment two of the present invention and schematic perspective view after breaker body combines;
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 the schematic diagram when afterwards not closed for current leakage detection protection module embodiment two of the present invention combines with breaker body;
Schematic diagram when Fig. 3 B combines the back closure for current leakage detection protection module embodiment two of the present invention with breaker body;
Schematic diagram when Fig. 3 C for current leakage detection protection module embodiment two of the present invention combines the back with breaker body electric leakage takes place;
Fig. 3 D is the schematic diagram current leakage detection protection module embodiment two of the present invention combines the back release with breaker body after;
Fig. 4 A-Fig. 4 D is the action schematic diagram of current leakage detection protection module embodiment two of the present invention with the corresponding outside STATEMENT OF FEDERALLY SPONSORED of above-mentioned Fig. 3 A-Fig. 3 D;
Fig. 5 A is the circuit diagram one after the combining of current leakage detection protection module of the present invention and breaker body;
Fig. 5 B is the circuit diagram two after the combining 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 current leakage detection protection module embodiment one of the present invention and schematic perspective view after breaker body combines; 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 the preferable mode of asking the employing 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 combines preceding 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, described first housing 20 is provided with power line inlet wire jack, and described jack is corresponding with the entrance hole on the described breaker body 1; Be provided with in described 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 takes place output one actuating signal that opens circuit, described electric leakage processing unit is arranged on the 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 a spring.
One swing component 31, it pushes away, spurs work because of described electromagnet 34, can be around fixed axis swing, the upper end of described swing component 31 is provided with an impeller-hub, and it stretches out outside described 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 the 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 described breaker body 1 an interior actuating mechanism, and is spacing by a locking cap 332 equally.Thereby realize driving described actuating mechanism action, thereby make described breaker body 1 produce the action of opening circuit by the motion of described STATEMENT OF FEDERALLY SPONSORED 32.
Also comprise: a self-locking mechanism in order to when described breaker body 1 opens circuit action because of electric leakage produces, makes described breaker body 1 form self-locking.If user or management of power use personnel by manual unlocking, then can not close a floodgate, therefore can think that to a certain extent this self-locking mechanism has played certain indicative function; Illustrate that promptly the reason that circuit breaker opens circuit is because electric leakage.
Described self-locking mechanism comprises:
One self-locking mechanism body 23, it is corresponding that on its upper end and described first housing 20 appears hole 201, its inside has an accommodation space, described self-locking mechanism body 23 extends one to the outside and ejects end, described swing component 31 has a groove, the described end that ejects is corresponding with described groove, in when, leak current fault not taking place, the described end that ejects stretches in the described groove, when the generation leak current fault causes that described electric leakage actuating mechanism is moved, described swing component 31 rotates, and the described end that ejects stretches out from described groove;
One elastic component 24, it places in the 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 first housing 20 leans.Described first housing 20, inside comprises a subshell 21, described supporting bracket just is arranged on the described subshell.Also be provided with a loading plate on the described subshell 21, in order to place described circuit board 25 elements such as grade; Eject after end stretches out from described groove when described, 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 first housing 20, and elastic component herein can be a spring.
Need to prove for the combination between current leakage detection protection module 2 and the breaker body 1, it can be fixedly connected, also can be the grafting of plug and play, for the connected mode of plug and play, as plug socket 40, realize that two-part relative fixed connects; It for the existing power product great advance; increased the versatility of product like this; and with creepage protection function as a kind of additional function; can select according to user's actual needs; and the situation in that 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 schematic perspective view and STRUCTURE DECOMPOSITION schematic perspective view after it is respectively current leakage detection protection module embodiment two of the present invention and breaker body combines; Be that with the difference of the foregoing description one embodiment two has increased a detection of electrical leakage button 251, be arranged on the described circuit board 25.Thereby on described first housing 20, offer accordingly and appear hole 202 accordingly.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, it is respectively current leakage detection protection module embodiment two of the present invention and combines the schematic diagram of back when not closed and the schematic diagram when closed with breaker body; Above-mentioned accompanying drawing has embodied the combine schematic diagram of the inner primary structure in back of current leakage detection protection module 2 and breaker body 1; Need to prove that wherein described in the present invention breaker body 1 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 second housing;
Described actuating mechanism, it is a primary structure of realizing breaker body 1 basic function, and it places in described second housing, and has one group of interlock piece 12, wherein one first interlock piece is connected with described handle, and wherein one second interlock piece is connected with an acting arm; By the action of described actuating mechanism, the contact that realizes a described acting arm and a fixed contact with separate.
Wherein, described second housing is provided with a hole, in the described actuating mechanism the 3rd interlock piece 13 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, trigger described actuating mechanism action by boot disk 36.
Be provided with an electromagnet 14 in described actuating mechanism lower end, it leans mutually with described one group of interlock the 3rd in piece 12 interlock piece 13, described the 3rd interlock piece 13 is coupling in described second housing, promptly can sway, thereby make other interlock pieces 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 sees 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 combining the back with breaker body electric leakage taking place schematic diagram and the schematic diagram after the 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 13 actions of described the 3rd interlock piece of STATEMENT OF FEDERALLY SPONSORED 32 pullings, 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 first housing 20, cause the described end that ejects to withstand on the described swing component 31, because described breaker body 1 produces the action of opening circuit, then described electromagnet 34 outages, though this moment return springs, desire is released described armature, but can't allow described swing component 31 reset owing to eject 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.
Have only and described self-locking mechanism body 23 is appeared hole 201 by described first housing 20 upper ends be pressed in the housing, this moment, the described end that ejects slipped in the 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) some two ends will produce voltage; i.e. judgement effect of Chan Shenging; simultaneously also just with triggering function; and then making described electromagnet L1 produce the action of opening circuit, it is provided with detection of electrical leakage button S1 (251).
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 the foregoing description 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 then described triode Q1 conducting makes described controllable silicon SCR conducting, thereby makes described electromagnet L1 action.
The above only is preferred embodiment of the present invention, only is 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 limited, revise, even equivalence, but all will fall within the scope of protection of the present invention.
Claims (10)
1. current leakage detection protection module, it is connected with described breaker body, it is characterized in that it comprises: one first housing, described first housing is provided with power line inlet wire jack, and described jack is corresponding with the entrance hole on the described breaker body; Be provided with in described 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 takes place 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.
2. current leakage detection protection module according to claim 1 is characterized in that, described electric leakage actuating mechanism comprises:
One electromagnet,
One swing component, what it was subjected to described electromagnet pushes away, spurs work, thereby around fixed axis swing;
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 the described breaker body, moves by driving described actuating mechanism, thereby makes described breaker body produce the action of opening circuit.
3. 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 takes place;
One circuits for triggering, it receives described triggering signal, and produces the actuating signal that opens circuit, thereby makes described electromagnet produce action.
4. current leakage detection protection module according to claim 2 is characterized in that, also comprises: a return springs in order to when described electromagnet cuts off the power supply, resets its armature.
5. current leakage detection protection module according to claim 1 and 2 is characterized in that, also comprises: a self-locking mechanism in order to when described breaker body opens circuit action because of electric leakage produces, makes described breaker body form self-locking.
6. current leakage detection protection module according to claim 5 is characterized in that, described self-locking mechanism comprises:
One self-locking mechanism body, on its upper end and the described housing to appear the hole corresponding, its inside has an accommodation space, described self-locking mechanism body extends one to the outside and ejects end, in order to after described electric leakage actuating mechanism action, lean on described swing component;
One elastic component, it places in the described accommodation space, and an end contact is on described self-locking mechanism body, and a supporting bracket leans in the other end and the described housing.
7. current leakage detection protection module according to claim 6 is characterized in that described swing component has a groove, and the described end that ejects is corresponding with described groove.
8. current leakage detection protection module according to claim 6 is characterized in that, described breaker body also comprises:
One second housing,
One handle, its part expose to outside described second housing;
Described actuating mechanism, it places in described second housing, and has one group of interlock piece, and wherein one first interlock piece is connected with described handle, and wherein one second interlock piece is connected with an acting arm; By the action of described actuating mechanism, the contact that realizes a described acting arm and a fixed contact with separate.
9. current leakage detection protection module according to claim 8; it is characterized in that; described second housing is provided with a hole; in the described actuating mechanism one the 3rd interlock piece is connected with described STATEMENT OF FEDERALLY SPONSORED by a shifting shaft; when described STATEMENT OF FEDERALLY SPONSORED drives the action of described shifting shaft, thereby trigger described actuating mechanism action.
10. current leakage detection protection module according to claim 9 is characterized in that, connects by grafting between described first housing and second housing, realizes the combination of plug and play.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101820163A true CN101820163A (en) | 2010-09-01 |
| CN101820163B CN101820163B (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010154640 Expired - Fee Related CN101820163B (en) | 2010-03-26 | 2010-03-26 | Current leakage detection protection module |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102142339A (en) * | 2011-03-02 | 2011-08-03 | 许胜� | Miniature circuit breaker with current leakage protector |
| 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 |
Citations (4)
| 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 |
-
2010
- 2010-03-26 CN CN 201010154640 patent/CN101820163B/en not_active Expired - Fee Related
Patent Citations (4)
| 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 |
Cited By (3)
| 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 |
| CN102142339A (en) * | 2011-03-02 | 2011-08-03 | 许胜� | Miniature circuit breaker with current leakage protector |
| CN102142339B (en) * | 2011-03-02 | 2013-06-05 | 许胜� | Miniature circuit breaker with current leakage protector |
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|---|---|
| CN101820163B (en) | 2013-06-19 |
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