CN105186447A - Automatic recovery electric leakage controller circuit - Google Patents
Automatic recovery electric leakage controller circuit Download PDFInfo
- Publication number
- CN105186447A CN105186447A CN201510514941.1A CN201510514941A CN105186447A CN 105186447 A CN105186447 A CN 105186447A CN 201510514941 A CN201510514941 A CN 201510514941A CN 105186447 A CN105186447 A CN 105186447A
- Authority
- CN
- China
- Prior art keywords
- circuit
- resistance
- diode
- electric leakage
- pulse current
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Abstract
The invention relates to an automatic recovery electric leakage controller circuit. The automatic recovery electric leakage controller circuit comprises a power circuit, an electric leakage and pulse current detection circuit, and an execution circuit, wherein the electric leakage and pulse current detection circuit comprises a current detection circuit and an electric leakage and pulse current protection circuit; and the execution circuit comprises a drive circuit, an execution element and an electric leakage determination circuit. The automatic recovery electric leakage controller circuit utilizes a magnetic latching relay to automatically connect and disconnect the circuit for a carrier so as to effectively solve the problem that a breaker is used as a carrier and a motor is used to realize automatic closing and opening to realize connection and disconnection with the circuit so that the product is large in volume and high in cost, and has the advantages of being simple in the whole circuit design, being high in anti-electromagnetic compatibility, and being low in cost and very suitable for batch production at the same time.
Description
Technical field
The present invention relates to a kind of leakaging controller circuit, more particularly, relate to a kind of self-resetting type leakaging controller circuit.
Background technology
Self-healing earth leakage protector is for connecting in normal working conditions and loaded current, and under prescribed conditions, when leakage current reaches the protection value of setting, contact is disconnected; When leakage current recovers normal, contact is connected automatically simultaneously, continue the protection switch electrical equipment of connection and loaded current.Effectively can prevent the fire or electric shock accidents that cause owing to leaking electricity, bring economic loss even to jeopardize personal safety to user.Self-healing earth leakage protector conventional at present, it performs the carrier switching on and off circuit is all circuit breaker, comprises miniature circuit breaker and breaker of plastic casing, adopts motor to perform automatic closing separating brake and connects and loaded current.Its shortcoming 1, complex structural designs, cost is high; 2, volume is very much not adapted at using in ammeter box.
Therefore, prior art urgently has greatly improved.
Summary of the invention
The technical problem to be solved in the present invention is, for the above-mentioned defect of prior art, provides a kind of self-resetting type leakaging controller circuit, comprising: power circuit, electric leakage and pulse current detection circuit and executive circuit; Wherein electric leakage and pulse current detection circuit comprise current detection circuit and electric leakage and pulse current protective circuit; Executive circuit comprises drive circuit, executive component and electric leakage decision circuitry;
Power circuit comprises rectifier diode D1, diode D2, diode D3, diode D4, filter capacitor C1, filter capacitor C2, dropping resistor R1, dropping resistor R2 and voltage stabilizing didoe D5, voltage stabilizing didoe D6, produces power supply VCC, VEE and VDD;
Current detection circuit comprises diode D1, diode D2, diode D3, diode D4, electric capacity C1, electric capacity C2, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8 and operational amplifier U1B;
Electric leakage and pulse current protective circuit comprise leakage current and judge protective circuit, pulse current judges protective circuit and leakage current or pulse current protective seletion circuit, leakage current judges that protective circuit comprises resistance R12, resistance R13, resistance R14, operational amplifier U1C; Pulse current judges that protective circuit comprises resistance R9, R10, R11, operational amplifier U1A and electric capacity C8; Leakage current or pulse current protective seletion circuit comprise diode D5, D6;
Drive circuit comprises transistor Q1, diode D8, D9, resistance R3, R4, R7, electric capacity C3, C4 and relay K 1;
Electric leakage decision circuitry comprises transistor Q2, resistance R5, R6 and diode D7;
Executive component comprises K2 magnetic latching relay.
Implement self-resetting type leakaging controller circuit of the present invention, there is following beneficial effect: adopt magnetic latching relay to be that carrier automatically performs and switches on and off circuit, effective solution is that carrier adopts motor to realize automatic closing separating brake to realize switching on and off circuit with circuit breaker, cause small product size large, the defect that cost is high, simple, the anti-electromagnetic compatibility characteristic of whole circuit design is high, is very applicable to batch production at the bottom of cost simultaneously.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the module diagram of the first embodiment of self-resetting type leakaging controller circuit of the present invention;
Fig. 2 is the power circuit principle figure of self-resetting type leakaging controller circuit of the present invention.
Fig. 3 is the current detection circuit schematic diagram of self-resetting type leakaging controller circuit of the present invention.
Fig. 4 is electric leakage and the pulse current protective circuit schematic diagram of self-resetting type leakaging controller circuit of the present invention.
Fig. 5 is the executive circuit schematic diagram of self-resetting type leakaging controller circuit of the present invention.
Embodiment
Referring to Fig. 1, is the module diagram of the first embodiment of self-resetting type leakaging controller circuit of the present invention.Referring to Fig. 2, is the power circuit principle figure of self-resetting type leakaging controller circuit of the present invention.Referring to Fig. 3, is the current detection circuit schematic diagram of self-resetting type leakaging controller circuit of the present invention.Referring to Fig. 4, is electric leakage and the pulse current protective circuit schematic diagram of self-resetting type leakaging controller circuit of the present invention.Referring to Fig. 5, is the executive circuit schematic diagram of self-resetting type leakaging controller circuit of the present invention.As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, a kind of self-resetting type leakaging controller circuit, at least comprises: power circuit, electric leakage and pulse current detection circuit and executive circuit; Wherein electric leakage and pulse current detection circuit comprise current detection circuit and electric leakage and pulse current protective circuit; Executive circuit comprises drive circuit, executive component and electric leakage decision circuitry;
Power circuit comprises rectifier diode D1, diode D2, diode D3, diode D4, filter capacitor C1, filter capacitor C2, dropping resistor R1, dropping resistor R2 and voltage stabilizing didoe D5, voltage stabilizing didoe D6, produces power supply VCC, VEE and VDD;
Current detection circuit comprises diode D1, diode D2, diode D3, diode D4, electric capacity C1, electric capacity C2, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8 and operational amplifier U1B;
Electric leakage and pulse current protective circuit comprise leakage current and judge protective circuit, pulse current judges protective circuit and leakage current or pulse current protective seletion circuit, leakage current judges that protective circuit comprises resistance R12, resistance R13, resistance R14, operational amplifier U1C; Pulse current judges that protective circuit comprises resistance R9, R10, R11, operational amplifier U1A and electric capacity C8; Leakage current or pulse current protective seletion circuit comprise diode D5, D6;
Drive circuit comprises transistor Q1, diode D8, D9, resistance R3, R4, R7, electric capacity C3, C4 and relay K 1;
Electric leakage decision circuitry comprises transistor Q2, resistance R5, R6 and diode D7;
Executive component comprises K2 magnetic latching relay.
The present invention is by the design of above first embodiment, can accomplish to adopt magnetic latching relay to be that carrier automatically performs and switches on and off circuit, effective solution is that carrier adopts motor to realize automatic closing separating brake to realize switching on and off circuit with circuit breaker, cause small product size large, the defect that cost is high, simple, the anti-electromagnetic compatibility characteristic of whole circuit design is high, is very applicable to batch production at the bottom of cost simultaneously.
The present invention is described according to specific embodiment, but it will be understood by those skilled in the art that when not departing from the scope of the invention, can carry out various change and equivalent replacement.In addition, for adapting to the specific occasion of the technology of the present invention, can many amendments be carried out to the present invention and not depart from its protection range.Therefore, the present invention is not limited to specific embodiment disclosed herein, and comprises all embodiments dropping into claims.
Claims (1)
1. a self-resetting type leakaging controller circuit, is characterized in that, comprising: power circuit, electric leakage and pulse current detection circuit and executive circuit; Wherein electric leakage and pulse current detection circuit comprise current detection circuit and electric leakage and pulse current protective circuit; Executive circuit comprises drive circuit, executive component and electric leakage decision circuitry;
Power circuit comprises rectifier diode D1, diode D2, diode D3, diode D4, filter capacitor C1, filter capacitor C2, dropping resistor R1, dropping resistor R2 and voltage stabilizing didoe D5, voltage stabilizing didoe D6, produces power supply VCC, VEE and VDD;
Current detection circuit comprises diode D1, diode D2, diode D3, diode D4, electric capacity C1, electric capacity C2, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8 and operational amplifier U1B;
Electric leakage and pulse current protective circuit comprise leakage current and judge protective circuit, pulse current judges protective circuit and leakage current or pulse current protective seletion circuit, leakage current judges that protective circuit comprises resistance R12, resistance R13, resistance R14, operational amplifier U1C; Pulse current judges that protective circuit comprises resistance R9, R10, R11, operational amplifier U1A and electric capacity C8; Leakage current or pulse current protective seletion circuit comprise diode D5, D6;
Drive circuit comprises transistor Q1, diode D8, D9, resistance R3, R4, R7, electric capacity C3, C4 and relay K 1;
Electric leakage decision circuitry comprises transistor Q2, resistance R5, R6 and diode D7;
Executive component comprises K2 magnetic latching relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510514941.1A CN105186447A (en) | 2015-08-20 | 2015-08-20 | Automatic recovery electric leakage controller circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510514941.1A CN105186447A (en) | 2015-08-20 | 2015-08-20 | Automatic recovery electric leakage controller circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105186447A true CN105186447A (en) | 2015-12-23 |
Family
ID=54908369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510514941.1A Pending CN105186447A (en) | 2015-08-20 | 2015-08-20 | Automatic recovery electric leakage controller circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105186447A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107170646A (en) * | 2017-07-07 | 2017-09-15 | 浙江安迅电气有限公司 | A kind of magnetic latching relay and its control circuit with leakage protection function |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07312164A (en) * | 1994-05-17 | 1995-11-28 | Kawamura Denki Sangyo Kk | Earth leakage breaker |
| CN2311092Y (en) * | 1997-06-27 | 1999-03-17 | 王黎明 | Pulse earth leakage protector |
| CN103500983A (en) * | 2013-09-30 | 2014-01-08 | 长城电器集团有限公司 | Circuit of miniature electric leakage circuit breaker |
| CN204167871U (en) * | 2014-10-28 | 2015-02-18 | 淄博上力电气有限公司 | A kind of Aftercurrent protection circuit breaker |
| CN204205559U (en) * | 2014-11-24 | 2015-03-11 | 德力西电气有限公司 | A kind of leakage protection circuit |
| CN204858523U (en) * | 2015-08-20 | 2015-12-09 | 浙江凯发电气股份有限公司 | From double entry electric leakage controller circuit |
-
2015
- 2015-08-20 CN CN201510514941.1A patent/CN105186447A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07312164A (en) * | 1994-05-17 | 1995-11-28 | Kawamura Denki Sangyo Kk | Earth leakage breaker |
| CN2311092Y (en) * | 1997-06-27 | 1999-03-17 | 王黎明 | Pulse earth leakage protector |
| CN103500983A (en) * | 2013-09-30 | 2014-01-08 | 长城电器集团有限公司 | Circuit of miniature electric leakage circuit breaker |
| CN204167871U (en) * | 2014-10-28 | 2015-02-18 | 淄博上力电气有限公司 | A kind of Aftercurrent protection circuit breaker |
| CN204205559U (en) * | 2014-11-24 | 2015-03-11 | 德力西电气有限公司 | A kind of leakage protection circuit |
| CN204858523U (en) * | 2015-08-20 | 2015-12-09 | 浙江凯发电气股份有限公司 | From double entry electric leakage controller circuit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107170646A (en) * | 2017-07-07 | 2017-09-15 | 浙江安迅电气有限公司 | A kind of magnetic latching relay and its control circuit with leakage protection function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204407623U (en) | A kind of safety power socket | |
| CN102593790B (en) | Lighting fixture overheating protection circuit and lighting fixture thereof | |
| CN111786359B (en) | Electric power cabinet circuit overheating and overcurrent protection equipment | |
| CN205545180U (en) | Short -circuit protection circuit and power supply device | |
| CN103779829A (en) | Load protection circuit | |
| CN204858523U (en) | From double entry electric leakage controller circuit | |
| CN108051683B (en) | Load connection or disconnection detection circuit, power supply control circuit and control method | |
| CN105186447A (en) | Automatic recovery electric leakage controller circuit | |
| CN204290266U (en) | A kind of current foldback circuit | |
| CN201717602U (en) | Noise-proof type anti-electric touch and anti-overheating protector of electric water heater | |
| CN104795790A (en) | Leakage protector device capable of automatically identifying and switching voltage and current | |
| CN204103442U (en) | Self-recovering type overvoltage-undervoltage protector circuit | |
| CN204626593U (en) | A kind of water outlet anti-scalding protection device of the electronic toilet | |
| CN204886135U (en) | From compound earth -leakage protector implementation of circuit | |
| CN204145288U (en) | A kind of Switching Power Supply start-up circuit | |
| CN104702091A (en) | Soft start circuit of switching power supply | |
| CN204633663U (en) | A kind of three phase alternating current motor positive and reverse rotation control circuit | |
| CN209200648U (en) | A kind of two-wire system fire-fighting Bus isolation protection circuit | |
| CN203813418U (en) | An over-current overvoltage protection circuit used for a thyristor switch power supply | |
| CN205212411U (en) | Electric leakage and pulse current detection circuitry | |
| CN202940393U (en) | Electric leakage protection plug | |
| CN204333902U (en) | A kind of detection of electrical leakage and protective circuit | |
| CN203984378U (en) | The calling protection device of household electrical appliance | |
| CN203607333U (en) | A drive circuit of a bistable relay and a residual current protection device thereof | |
| CN104485641A (en) | Power failure self locking control circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 2-1 No. 325000 Zhejiang city of Wenzhou province Yueqing North white elephant white town road (South) Applicant after: Zhejiang Kai FA Electric Co., Ltd. Address before: 2-1 No. 325000 Zhejiang city of Wenzhou province Yueqing North white elephant white town road (South) Applicant before: ZHEJIANG KAIFA ELECTRICAL CO., LTD. |
|
| CB02 | Change of applicant information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yu Cuntai Inventor after: Li Qili Inventor after: Zhang Huoming Inventor after: Yang Xiaoteng Inventor after: Fang Xiaodong Inventor before: Yu Cuntai Inventor before: Fang Xiaodong Inventor before: Xiao Yifeng Inventor before: Zhang Huoming Inventor before: Peng Kunming |
|
| CB03 | Change of inventor or designer information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151223 |
|
| RJ01 | Rejection of invention patent application after publication |