CN204858523U - From double entry electric leakage controller circuit - Google Patents

From double entry electric leakage controller circuit Download PDF

Info

Publication number
CN204858523U
CN204858523U CN201520631616.9U CN201520631616U CN204858523U CN 204858523 U CN204858523 U CN 204858523U CN 201520631616 U CN201520631616 U CN 201520631616U CN 204858523 U CN204858523 U CN 204858523U
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.)
Expired - Fee Related
Application number
CN201520631616.9U
Other languages
Chinese (zh)
Inventor
余存泰
方晓东
肖义峰
章火明
彭昆明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Great Wall Electrical Appliance Group Zhejiang Technology Co ltd
Original Assignee
Zhejiang Kaifa Electrical 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.)
Filing date
Publication date
Application filed by Zhejiang Kaifa Electrical Co Ltd filed Critical Zhejiang Kaifa Electrical Co Ltd
Priority to CN201520631616.9U priority Critical patent/CN204858523U/en
Application granted granted Critical
Publication of CN204858523U publication Critical patent/CN204858523U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

The utility model relates to a from double entry electric leakage controller circuit, include: power supply circuit, electric leakage and pulse current detection circuitry and implementation of circuit, wherein electric leakage and pulse current detection circuitry include electric current detection circuitry and electric leakage and pulse current protection circuit, implementation of circuit includes drive circuit, execute component and electric leakage judgement circuit. The utility model provides a from double entry electric leakage controller circuit adopts magnetic latching relay to use the circuit breaker to adopt the motor to realize the automatic separating brake that closes a floodgate as the carrier and realize putting through and the open -circuit line, result in the product bulky for switch -on of carrier automate and open -circuit line, effective solution, defect with high costs, and simple, the anti electromagnetic compatibility characteristic of whole circuit design is high, simultaneously batch production with low costs especially adapted.

Description

Self-resetting type leakaging controller circuit
Technical field
The utility model relates to a kind of leakaging controller circuit, more particularly, relates 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.
Utility model content
The technical problems to be solved in the utility model 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 utility model, 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 utility model is described in further detail, in accompanying drawing:
Fig. 1 is the module diagram of the first embodiment of the utility model self-resetting type leakaging controller circuit;
Fig. 2 is the power circuit principle figure of the utility model self-resetting type leakaging controller circuit.
Fig. 3 is the current detection circuit schematic diagram of the utility model self-resetting type leakaging controller circuit.
Fig. 4 is electric leakage and the pulse current protective circuit schematic diagram of the utility model self-resetting type leakaging controller circuit.
Fig. 5 is the executive circuit schematic diagram of the utility model self-resetting type leakaging controller circuit.
Embodiment
Referring to Fig. 1, is the module diagram of the first embodiment of the utility model self-resetting type leakaging controller circuit.Referring to Fig. 2, is the power circuit principle figure of the utility model self-resetting type leakaging controller circuit.Referring to Fig. 3, is the current detection circuit schematic diagram of the utility model self-resetting type leakaging controller circuit.Referring to Fig. 4, is electric leakage and the pulse current protective circuit schematic diagram of the utility model self-resetting type leakaging controller circuit.Referring to Fig. 5, is the executive circuit schematic diagram of the utility model self-resetting type leakaging controller circuit.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 utility model 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 utility model is described according to specific embodiment, but it will be understood by those skilled in the art that when not departing from the utility model scope, can carry out various change and equivalent replacement.In addition, for adapting to the specific occasion of the utility model technology, can many amendments be carried out to the utility model and not depart from its protection range.Therefore, the utility model 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.
CN201520631616.9U 2015-08-20 2015-08-20 From double entry electric leakage controller circuit Expired - Fee Related CN204858523U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520631616.9U CN204858523U (en) 2015-08-20 2015-08-20 From double entry electric leakage controller circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520631616.9U CN204858523U (en) 2015-08-20 2015-08-20 From double entry electric leakage controller circuit

Publications (1)

Publication Number Publication Date
CN204858523U true CN204858523U (en) 2015-12-09

Family

ID=54749042

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520631616.9U Expired - Fee Related CN204858523U (en) 2015-08-20 2015-08-20 From double entry electric leakage controller circuit

Country Status (1)

Country Link
CN (1) CN204858523U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105186447A (en) * 2015-08-20 2015-12-23 浙江凯发电气股份有限公司 Automatic recovery electric leakage controller circuit
CN105954639A (en) * 2016-04-27 2016-09-21 青岛海尔科技有限公司 Electric leakage detection circuit and device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105186447A (en) * 2015-08-20 2015-12-23 浙江凯发电气股份有限公司 Automatic recovery electric leakage controller circuit
CN105954639A (en) * 2016-04-27 2016-09-21 青岛海尔科技有限公司 Electric leakage detection circuit and device
CN105954639B (en) * 2016-04-27 2019-03-22 青岛海尔科技有限公司 A kind of detection of electrical leakage decision circuitry and equipment

Similar Documents

Publication Publication Date Title
CN102629751B (en) Over-current protection circuit
CN204407623U (en) A kind of safety power socket
CN103066559A (en) Power outage protector
CN204858523U (en) From double entry electric leakage controller circuit
CN105186447A (en) Automatic recovery electric leakage controller circuit
CN104795790A (en) Leakage protector device capable of automatically identifying and switching voltage and current
CN204886135U (en) From compound earth -leakage protector implementation of circuit
CN101782275B (en) Noise-type electric shock preventing and dry burning protecting device of electric water heater
CN204721326U (en) A kind of hardware time-delay reset circuit and electronic product
CN103633613B (en) Too little current automatic power-off protection circuit and charger
CN204103442U (en) Self-recovering type overvoltage-undervoltage protector circuit
CN203243019U (en) Power-off protector
CN204349419U (en) Power-off trip protection plug
CN205212411U (en) Electric leakage and pulse current detection circuitry
CN204633663U (en) A kind of three phase alternating current motor positive and reverse rotation control circuit
CN204333902U (en) A kind of detection of electrical leakage and protective circuit
CN205176670U (en) High purity water liquid level automatic control circuit of area protection
CN201985829U (en) Switch control circuit
CN206331972U (en) New type of current source formula contactor Anti-electricity dazzling device
CN106159874B (en) Power-off protecting circuit
CN203984378U (en) The calling protection device of household electrical appliance
CN205104892U (en) But automatic identification switching voltage current mode earth -leakage protector device
CN103986126B (en) Battery low-voltage control protective unit
CN104979144A (en) Relay switch
CN204732858U (en) A kind of electric cleaning car segmentation undervoltage protection system

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 2-1 No. 325000 Zhejiang city of Wenzhou province Yueqing North white elephant white town road (South)

Patentee after: ZHEJIANG KEVA ELECTRIC CO.,LTD.

Address before: 2-1 No. 325000 Zhejiang city of Wenzhou province Yueqing North white elephant white town road (South)

Patentee before: ZHEJIANG KEYVIA ELECTRIC Co.,Ltd.

CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: 325000 No. 2-1 Baixiang Avenue, Beibeixiang Town, Yueqing City, Zhejiang Province (South Building)

Patentee after: Great Wall Electrical Appliance Group Zhejiang Technology Co.,Ltd.

Address before: 325000 white elephant road 2-1, North white elephant Town, Yueqing, Wenzhou, Zhejiang (South Tower)

Patentee before: ZHEJIANG KEVA ELECTRIC CO.,LTD.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151209