CN106505378A - Intelligent wireless earth leakage protective socket - Google Patents

Intelligent wireless earth leakage protective socket Download PDF

Info

Publication number
CN106505378A
CN106505378A CN201611226066.8A CN201611226066A CN106505378A CN 106505378 A CN106505378 A CN 106505378A CN 201611226066 A CN201611226066 A CN 201611226066A CN 106505378 A CN106505378 A CN 106505378A
Authority
CN
China
Prior art keywords
leakage
electric
controller
power
earth leakage
Prior art date
Application number
CN201611226066.8A
Other languages
Chinese (zh)
Other versions
CN106505378B (en
Inventor
钱加灿
Original Assignee
余姚市嘉荣电子电器有限公司
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 余姚市嘉荣电子电器有限公司 filed Critical 余姚市嘉荣电子电器有限公司
Priority to CN201611226066.8A priority Critical patent/CN106505378B/en
Publication of CN106505378A publication Critical patent/CN106505378A/en
Application granted granted Critical
Publication of CN106505378B publication Critical patent/CN106505378B/en

Links

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66Structural association with built-in electrical component
    • H01R13/665Structural association with built-in electrical component with built-in electronic circuit
    • H01R13/6666Structural association with built-in electrical component with built-in electronic circuit with built-in overvoltage protection
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66Structural association with built-in electrical component
    • H01R13/665Structural association with built-in electrical component with built-in electronic circuit
    • H01R13/6683Structural association with built-in electrical component with built-in electronic circuit with built-in sensor
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66Structural association with built-in electrical component
    • H01R13/665Structural association with built-in electrical component with built-in electronic circuit
    • H01R13/6691Structural association with built-in electrical component with built-in electronic circuit with built-in signalling means
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66Structural association with built-in electrical component
    • H01R13/70Structural association with built-in electrical component with built-in switch
    • H01R13/713Structural association with built-in electrical component with built-in switch the switch being a safety switch

Abstract

The invention discloses a kind of intelligent wireless earth leakage protective socket, is related to security protection technology field, the intelligent wireless earth leakage protective socket includes:Wireless transport module and leakage protection circuit;The wireless transport module, for receiving the water state that goes out that the wireless water flow sensing unit on electric heater sends, and by described go out water state send to the leakage protection circuit;The leakage protection circuit, for according to described go out water state realize water outlet power-off.The present invention goes out water state by what the wireless water flow sensing unit on wireless transport module reception electric heater sent; again again leakage protection circuit according to described go out water state realize water outlet power-off; so that earth leakage protective socket is separated with electric heater; mate use with socket using wireless water flow sensing unit; this to support the use under the premise of any variation of electric heater is not related to, and product mix upgrading is flexible and high-end safety.

Description

Intelligent wireless earth leakage protective socket

Technical field

The present invention relates to security protection technology field, more particularly to a kind of intelligent wireless earth leakage protective socket.

Background technology

Electric heater refers to the water heater heated using electricity as the energy.It is and gas heater, solar water heater One of three big water heaters mutually arranged side by side, development of the electric heater through more than ten years, the technology of water heater constantly improve, also increasingly Favored by consumer.

In order to improve the security performance of electric heater, in electric heater, earth leakage protective device is typically provided with, existing electric leakage Protector plug great majority are connected on the whole machine of electric heater, and therefore product is not easy to flexibly upgrading and arranges in pairs or groups.

Content of the invention

(1) technical problem to be solved

The technical problem to be solved in the present invention is:Electric heater how is made to be easy to flexibly upgrading and arrange in pairs or groups.

(2) technical scheme

The invention provides a kind of intelligent wireless earth leakage protective socket, the intelligent wireless earth leakage protective socket includes:Nothing Line transport module and leakage protection circuit;

The wireless transport module, what the wireless water flow sensing unit for receiving on electric heater sent go out water state, and By described go out water state send to the leakage protection circuit;

The leakage protection circuit, for according to described go out water state realize water outlet power-off.

Preferably, the leakage protection circuit includes:Controller, automatic power-off control module, execution power-off/upper electric drive Module and contact measure loop;The controller, automatic power-off control module and execution power-off/upper Electric drive module connects successively Connect, the execution power-off/upper Electric drive module is connected with power contact, and the contact measure loop is connected with the controller;

The controller, for being sent out to the execution power-off/upper Electric drive module by the automatic power-off control module Send cut-offing instruction;

The execution power-off/upper Electric drive module, touches for when the cut-offing instruction is received, disconnecting the power supply Point;

The contact measure loop, between the live wire and zero line of power supply, for detecting the break-make of the power contact Situation, and the break-make situation of detection is fed back to the controller.

Preferably, the contact measure loop is made up of photoelectrical coupler U1 and voltage drop element;

The input of the photoelectrical coupler U1 is located at the live wire and zero line of the power supply with the voltage drop element after connecting Between, the outfan of the photoelectrical coupler U1 is located between the controller and ground.

Preferably, the leakage protection circuit also includes:The automatically upper electric control module being connected with the controller;

The controller, is additionally operable to by the automatically upper electric control module to the execution power-off/upper Electric drive module Electricity instruction in transmission;

The execution power-off/upper Electric drive module, for when electricity instruction on described is received, closing the power supply and touching Point.

Preferably, the leakage protection circuit includes:Earth leakage protective control module, zero sequence detection of electrical leakage transformer and zero sequence Electric leakage self-inspection loop;The zero sequence detection of electrical leakage transformer, earth leakage protective control module and controller are sequentially connected, the zero sequence Electric leakage self-inspection loop is connected with the controller;

The controller, is additionally operable to send turn-on command to zero sequence electric leakage self-inspection loop;

The zero sequence electric leakage self-inspection loop, for when the turn-on command is received, being turned on;

The zero sequence detection of electrical leakage transformer, for when zero sequence electric leakage self-inspection loop turns on, protecting to the electric leakage Shield control module sends trigger;

The earth leakage protective control module, for when the trigger is received, sending electric leakage to the controller Protection signal.

Preferably, the zero sequence electric leakage self-inspection loop includes:Zero sequence electric leakage self-inspection inductance L1, commutation diode D2, resistance R3 and audion Q5, the zero sequence electric leakage self-inspection inductance L1 are passed around on the zero sequence detection of electrical leakage transformer, the zero sequence leakage Electric self-inspection inductance L1, commutation diode D2 and resistance R3 be connected in series and the live wire located at power supply and audion Q5 colelctor electrode it Between, the base stage of the audion Q5 is connected with the controller, the grounded emitter of the audion Q5.

Preferably, the leakage protection circuit also includes:Ground wire electric leakage self-inspection loop and ground line current detection transformer, institute State ground line current detection transformer and earth leakage protective control module connection, the ground wire electric leakage self-inspection loop and the control Device connects;

The ground wire electric leakage self-inspection loop, for when the turn-on command is received, being turned on;

The ground line current detects transformer, for when ground wire electric leakage self-inspection loop turns on, protecting to the electric leakage Shield control module sends trigger.

Preferably, the ground wire electric leakage self-inspection loop includes:Ground wire electric leakage self-inspection inductance L2, commutation diode D2, resistance R2 and audion Q4, the ground wire electric leakage self-inspection inductance L2 are passed around on ground line current detection transformer, the ground wire leakage Electric self-inspection inductance L2, commutation diode D2 and resistance R2 be connected in series and the live wire located at power supply and the audion Q4 current collection Between pole, the base stage of the audion Q4 is connected with the controller, the grounded emitter of the audion Q4.

Preferably, the leakage protection circuit also includes:The ground wire electrified detection module being connected with the controller;

The ground wire electrified detection module, for detecting the voltage difference between the zero line and ground wire of the power supply, described When voltage difference is less than predetermined voltage threshold, the earth leakage protective control module is closed by the controller.

Preferably, the leakage protection circuit also includes:Trigger control module and audion Q3, the trigger control module Be connected with the earth leakage protective control module, the colelctor electrode of the audion Q3 and the trigger control module and execute power-off/ Upper Electric drive module connects respectively, the grounded emitter of the audion Q3, the base stage of the audion Q3 and the controller Connection.

(3) beneficial effect

The present invention receives the water state that of the wireless water flow sensing unit transmission on electric heater by wireless transport module, then Again leakage protection circuit according to described go out water state realize water outlet power-off so that earth leakage protective socket is separated with electric heater, profit Mate use with socket with wireless water flow sensing unit, this supports the use real by being not related under the premise of any variation of electric heater Reveal water power down function, product mix upgrading is flexible and high-end safety.

Description of the drawings

Fig. 1 is the circuit theory diagrams of the intelligent wireless earth leakage protective socket of one embodiment of the present invention;

Fig. 2 is the structural representation of the intelligent wireless earth leakage protective socket of one embodiment of the present invention.

Specific embodiment

With reference to the accompanying drawings and examples, the specific embodiment of the present invention is described in further detail.Hereinafter implement Example is for illustrating the present invention, but is not limited to the scope of the present invention.

Fig. 1 is the circuit theory diagrams of the intelligent wireless earth leakage protective socket of one embodiment of the present invention;Fig. 2 is the present invention A kind of structural representation of the intelligent wireless earth leakage protective socket of embodiment;With reference to Fig. 1~2, the intelligent wireless electric leakage is protected Retaining socket includes:Wireless transport module and leakage protection circuit;

The wireless transport module, what the wireless water flow sensing unit for receiving on electric heater sent go out water state, and By described go out water state send to the leakage protection circuit;

The leakage protection circuit, for according to described go out water state realize water outlet power-off.

It will be appreciated that the wireless water flow sensing unit output wireless signal is to intelligent wireless earth leakage protective socket, signal Transmission means can be RF, bluetooth or WIFI, and wireless signal can be unidirectional or two-way, and wireless water flow sensing unit is powered with battery And have low voltage test.、

The present embodiment goes out water state by what the wireless water flow sensing unit on wireless transport module reception electric heater sent, Again again leakage protection circuit according to described go out water state realize water outlet power-off so that earth leakage protective socket is separated with electric heater, Mate use with socket using wireless water flow sensing unit, this is supported the use under the premise of any variation of electric heater is not related to Realize water outlet power down function, product mix upgrading is flexible and high-end safety.

By avoiding causing that a power-off is unsuccessful to be caused because executing electronic component potential failure or actuator abrasion Potential safety hazard, in present embodiment, the leakage protection circuit includes:Controller IC 1, automatic power-off control module, execution Power-off/upper Electric drive module and contact measure loop;The controller IC 1, automatic power-off control module and execution power-off/upper electricity Drive module is sequentially connected, and the execution power-off/upper Electric drive module is connected with power contact, the contact measure loop and institute State controller IC 1 to connect;

The controller IC 1, for executing power-off/upper Electric drive module by the automatic power-off control module to described Send cut-offing instruction;

The execution power-off/upper Electric drive module, touches for when the cut-offing instruction is received, disconnecting the power supply Point;

The contact measure loop, between the live wire and zero line of power supply, for detecting the break-make of the power contact Situation, and the break-make situation of detection is fed back to the controller.

Conveniently, the contact measure loop is made up of photoelectrical coupler U1 and voltage drop element;

The input of the photoelectrical coupler U1 is located at the live wire and zero line of the power supply with the voltage drop element after connecting Between, the outfan of the photoelectrical coupler U1 is located between the controller and ground.

For ease of realizing the detection of break-make situation, in implementing, the contact measure loop is by photoelectrical coupler U1 Constitute with voltage drop element, the input of the photoelectrical coupler U1 is located at the live wire of the power supply with the voltage drop element after connecting Between zero line, the outfan of the photoelectrical coupler U1 is located between the controller IC 1 and ground.

The voltage drop element is electric capacity C, resistance R or RC series circuit, and in the present embodiment, the blood pressure lowering original paper is gone here and there using RC Connection circuit (" R " and " C " composition i.e. in respective figure).

For ease of realizing that upper electricity, the leakage protection circuit also include:Going up automatically for being connected with the controller IC 1 is automatically controlled Molding block;

The controller IC 1, is additionally operable to by the automatically upper electric control module to the execution power-off/upper electric drive mould Block sends upper electricity instruction;

The execution power-off/upper Electric drive module, for when electricity instruction on described is received, closing the power supply and touching Point.

There is the potential potential safety hazard of extraordinary failure, in the present embodiment, the earth leakage protective for avoiding leakage protection circuit Circuit includes:Earth leakage protective control module IC2, zero sequence detection of electrical leakage transformer and zero sequence electric leakage self-inspection loop;The zero sequence leakage Electro-detection transformer (" zero sequence detection of electrical leakage " i.e. in corresponding diagram), earth leakage protective control module IC2 and controller IC 1 connect successively Connect, the zero sequence electric leakage self-inspection loop is connected with the controller IC 1;

The controller IC 1, is additionally operable to send turn-on command to zero sequence electric leakage self-inspection loop;

The zero sequence electric leakage self-inspection loop, for when the turn-on command is received, being turned on;

The zero sequence detection of electrical leakage transformer, for when zero sequence electric leakage self-inspection loop turns on, protecting to the electric leakage Shield control module sends trigger;

Earth leakage protective control module IC2, for when the trigger is received, sending leakage to the controller Electric protection signal.

For ease of realizing the zero sequence detection of electrical leakage transformer, in the present embodiment, the zero sequence electric leakage self-inspection loop includes: Zero sequence electric leakage self-inspection inductance L1, commutation diode D2 (being multiplexed the element with zero sequence electric leakage self-inspection loop), resistance R3 and three Pole pipe Q5, the zero sequence electric leakage self-inspection inductance L1 are passed around on the zero sequence detection of electrical leakage transformer, the zero sequence electric leakage self-inspection Inductance L1, commutation diode D2 and resistance R3 be connected in series and the colelctor electrode of the live wire located at power supply and audion Q5 between, institute The base stage for stating audion Q5 is connected with the controller, the grounded emitter of the audion Q5.

For ease of to the ground line current self-inspection, in the present embodiment, the leakage protection circuit also includes:Ground wire electric leakage is certainly Inspection loop and ground line current detection transformer, the ground line current detection transformer and earth leakage protective control module connection, The ground wire electric leakage self-inspection loop is connected with the controller;

The ground wire electric leakage self-inspection loop, for when the turn-on command is received, being turned on;

The ground line current detects transformer, for when ground wire electric leakage self-inspection loop turns on, protecting to the electric leakage Shield control module sends trigger.

For ease of realizing the ground wire electric leakage self-inspection loop, in the present embodiment, the ground wire electric leakage self-inspection loop includes:Ground Line electric leakage self-inspection inductance L2, commutation diode D2, resistance R2 and audion Q4, the ground wire electric leakage self-inspection inductance L2 are passed around in institute State on ground line current detection transformer, ground wire electric leakage self-inspection inductance L2, commutation diode D2 and resistance R2 be connected in series and Between the live wire and the colelctor electrode of the audion Q4 of power supply, the base stage of the audion Q4 is connected with the controller, The grounded emitter of the audion Q4.

For ease of realizing ground wire exception electrization protection, in the present embodiment, the leakage protection circuit also includes:With the control The ground wire electrified detection module of device connection processed;

The ground wire electrified detection module, for detecting the voltage difference between the zero line and ground wire of the power supply, described When voltage difference is less than predetermined voltage threshold, the earth leakage protective control module is closed by the controller.

For ease of realizing self-inspection, in the present embodiment, the leakage protection circuit also includes:Trigger control module and audion Q3, the trigger control module are connected with the earth leakage protective control module, the colelctor electrode of the audion Q3 and the triggering Control module and execution power-off/upper Electric drive module connect respectively, the grounded emitter of the audion Q3, the audion Q3 Base stage be connected with the controller.

For ease of realizing high temperature protection and high-low pressure protection, in the present embodiment, the leakage protection circuit also includes:With institute State the high temperature protection module and/or high-low pressure protection module of controller connection;

The high temperature protection module, for obtaining high temperature information, and the high temperature information is sent to the controller;

The high-low pressure protection module, for obtaining the information of voltage of supply voltage, and by the information of voltage send to The controller.

The present embodiment carries out the operation principle of automatic outletting power-off:Faucet is opened, when water flows, wireless current sensing Device detects water-flow signal, and the signal externally sends power-off signal through wireless launcher after inter-process, the signal menometrorrhagia Electric protection plug wireless transport module IC1_C, IC1_C1 foot, receives through IC1 and exports cut-offing instruction after demodulation through the output of IC1_K feet Program pulse high level 1 time, the signal are sent to execution power-off/upper Electric drive module through automatic power-off control module and execute power-off and jump Lock action, realizes that contact closure condition is switched to off-state, serves the effect of safeguard protection.

The present embodiment carries out the operation principle of upper electricity automatically:Close faucet, during anhydrous flowing, wireless water flow sensing unit Water-flow signal cannot be detected, the signal externally sends power on signal automatically through Program time delay after inter-process, the signal warp Leakage protecting plug wireless transport module IC1_C, IC1_C1 foot, receives the upper electricity instruction of output after demodulation through IC1_L feet through IC1_ Electricity instruction in output, is sent to execution power-off/upper Electric drive module through automatic upper electric control module and realizes upper Electricity Functional.

The present embodiment carries out the operation principle that contact outage detection controls:In "on" position, break because a variety of causes is executed During electric tripping, power-off/upper Electric drive module output power-off trip operation is executed, power contact is disconnected by synchronous full pole, now U1 Detection input circuit no-voltage input, causes U1 output cut-offs, and IC1_M feet maintain high level, the permanent High level through IC1 inside It is judged to after verification that power-off is tripped successfully;If when executing cut-offing instruction and load contact and persistently closing, U1 input terminal voltages No is passed through U1, resistance R, electric capacity C and Lo constitute loop, and U1 is turned on, and U1 turn-on frequencies are supply voltage frequency, and the frequency effect is in outfan IC1_M feet are caused synchronously to produce energy supply periodic change, through IC1, the change is judged to that power-off tripping operation is unsuccessful, according to program setting Export cut-offing instruction and execution power-off/upper Electric drive module is sent to through automatic power-off control module from IC1_k feet again realize breaking Electronic work, enters if now power-off success and treats power-up state, according to program performing power-down procedure or warning if unsuccessful again , there is power-off abnormal phenomena to warn leakage protection circuit in program.

The present embodiment carries out the operation principle that electro-detection is controlled on contact:In "on" position, because a variety of causes is executed When electric, the upper electricity instruction of IC1_L feet output is sent to execution power-off/upper Electric drive module through automatic upper electric control module and realizes upper electricity Function;On this, electricity executes whether synchronous detecting power contact is effectively closed in place, and when upper electric unsuccessful, (U1 is defeated without lock-out pulse Go out to act on IC1_M feet), IC1_L according to program export again upper electricity instruction, if continue 2 times or program agreement number of times fail when Protection alarm mode is then entered, to show upper electric unsuccessful warning.

The present embodiment carries out the operation principle of zero sequence electric leakage self-inspection:First be powered, each upper electrical contact closure before or During using midway (system designated time), IC1_I feet export high level, and Q3 is turned on, the electric leakage that system positive closing is exported because of IC2 Protection control signal.Now, 1 time (program is arranged, such as IC1_J feet output self-inspection pulse:30mS), Q5 conductings, supply voltage Li Loop, zero sequence detection of electrical leakage transformer output voltage to earth leakage protective control module IC2, IC2 are constituted through D2, L1, R3, Q5 and Ni To trigger control module, (state is turned on output cut-offing instruction because of Q3, causes execution power-off/upper Electric drive module not receive disconnected Electricity is instructed and does not carry out power-off protection);At the same time, IC2 exports earth leakage protective signal to IC1_H feet, and IC1 receives earth leakage protective It is judged as after signal that leakage protection loop element is normal, function is normal.Now, IC1_F feet output program agreement pulse signal 1 time Through Q1, Q1 is turned on, IC2 power supply power failures, and IC2 realizes resetting.IC1_I feet export low level, and zero sequence electric leakage self-inspection is completed;When In process of self-test, when IC1_H feet do not receive high level, IC1_K foot output programs pulse high level 1 time, the signal is through automatically Power-off control module is sent to execution power-off/upper Electric drive module and executes power-off trip operation, realizes power contact from closed form State is switched to off-state, serves the effect of safeguard protection, while LED flicker police instructions.

The present embodiment carries out the operation principle of ground wire electric leakage self-inspection:After the completion of zero sequence electric leakage self-inspection, on every time, electricity is touched Before point closure or when using midway (system designated time), IC1_I feet export high level, and Q3 is turned on, and system positive closing is because of IC2 The earth leakage protective control signal of output.Now, 1 time (program is arranged, such as ground wire electric leakage _ E feet output self-inspection pulse:30mS), Q4 Conducting, supply voltage Li constitute loop through D2, L2, R2, Q4 and Ni, and ground line current detects transformer output voltage to earth leakage protective Control module IC2, IC2 exports cut-offing instruction, and to trigger control module, (state is turned on because of Q3, causes execution power-off/upper electricity to drive Dynamic model block does not receive cut-offing instruction and does not carry out power-off protection);At the same time, IC2 exports earth leakage protective signal to IC1_H Foot, IC1 are judged as after receiving earth leakage protective signal that leakage protection loop element is normal, and function is normal.Now, IC1_F feet output Through Q1, Q1 is turned on program agreement pulse signal 1 time, IC2 power supply power failures, and IC2 realizes resetting.IC1_I feet export low level, Ground wire electric leakage self-inspection is completed;When, in process of self-test, when IC1_H feet do not receive high level, the pulse of IC1_K foot output programs is high electric Flat 1 time, the signal is sent to execution power-off/upper Electric drive module through automatic power-off control module and executes power-off trip operation, realizes Contact closure condition is switched to off-state, serves the effect of safeguard protection, while LED flicker police instructions.

The present embodiment carries out the earth leakage protective operation principle of zero sequence:In working order, load outputs Lo, No over the ground or Eo produce electric leakage by zero sequence detection of electrical leakage Coil Detector to and when reaching preset range, earth leakage protective control module IC2 output height Level is then sent through execution power-off/upper Electric drive module to trigger control module and realizes power down function, LED light flicker report Alert;Leakage protection circuit starts electric leakage self-locking program (must manually go up electricity), and during earth leakage protective, (IC1_H feet detect lasting height Level), IC1 turns on Q1 according to agreement procedure from IC1_F feet output specified pulse width signal, realizes carrying out again IC2 protection chips Position control is again introduced into earth leakage protective detection state with this.

The present embodiment carries out the extremely electrified operation principle of ground wire:In "on" position, power input Ni and Ei it Between terminal voltage less than systemic presupposition value (such as:36V) ground wire electrified detection module output high level is to IC1_D feet, now IC1_G Foot output high level turns on Q2, and positive closing IC2 ground line currents are detected function by Q2 conductings, it is to avoid low pressure shape between Ni and Ei The ground line current abnormal protection that ground line current is caused beyond preset value during state;When the terminal voltage between Ni and Ei more than system pre- If value is (such as:>36V), now ground wire electrified detection module output low level is made to IC1_D feet, now IC1_G feet output low level Q2 ends, and Q2 cut-offs cause IC2 ground line current detections function to be opened, if now ground line current detection coil detects electric current and expires During foot protection, IC2 earth leakage protectives control module output high level executes power-off/upper Electric drive module again to trigger control module Realize that power down function, LED flicker are reported to the police.At the same time, IC2 electric leakage signals are synchronously sent to IC1_H feet and realize that communication, electric leakage are protected Protection circuit starts electric leakage self-locking program (must manually go up electricity), (IC1_H feet detect permanent High level), IC1 during earth leakage protective Turn on Q1 according to agreement procedure from IC1_F feet output specified pulse width signal, realize carrying out resetting control with this to IC2 protection chips It is again introduced into earth leakage protective detection state.

The present embodiment carries out the operation principle of high temperature protection:In "on" position, when temperature reaches systemic presupposition value, high Warm protection module output high level acts on IC1_A feet, and IC1_k feet output cut-offing instruction is simultaneously sent to through automatic power-off control module Execute power-off/upper Electric drive module and realize de-energizing actions, realize output power down function;The IC1_ when temperature is less than systemic presupposition value A feet are ground level, and the level is after IC1 analyses effectively according to electronic work in program performing and from the upper electricity instruction of IC1_L feet output, warp Automatically upper electric control module is sent to execution power-off/upper Electric drive module and realizes upper Electricity Functional.High temperature protection function is likewise supplied with certainly Dynamic upper electricity/automatically power off secondary and control defencive function above;

The present embodiment carries out the operation principle of high-low pressure protection:In "on" position, when supply voltage is less than or high and volume When determining voltage bound, height voltage protection circuit output voltage acts on IC1_B foot linear changes, and the voltage is judged through IC1 analyses Afterwards according to program performing, when limiting below or above rated voltage, IC1_k feet export cut-offing instruction and through automatically powering off control mould Block is sent to execution power-off/upper Electric drive module and realizes de-energizing actions, realizes output power down function;When IC1_B foot voltages are returned to When in the range of bound, the upper electricity instruction of IC1_L feet output is sent to execution power-off/upper electric drive mould through automatic upper electric control module Block realizes upper Electricity Functional.

Embodiment of above is merely to illustrate the present invention, and not limitation of the present invention, about the common of technical field Technical staff, without departing from the spirit and scope of the present invention, can also make a variety of changes and modification, therefore own The technical scheme of equivalent falls within scope of the invention, and the scope of patent protection of the present invention should be defined by the claims.

Claims (10)

1. a kind of intelligent wireless earth leakage protective socket, it is characterised in that the intelligent wireless earth leakage protective socket includes:Wireless biography Defeated module and leakage protection circuit;
The wireless transport module, for receiving the water state that goes out that the wireless water flow sensing unit on electric heater sends, and by institute State out water state to send to the leakage protection circuit;
The leakage protection circuit, for according to described go out water state realize water outlet power-off.
2. intelligent wireless earth leakage protective socket as claimed in claim 1, it is characterised in that the leakage protection circuit includes: Controller, automatic power-off control module, execution power-off/upper Electric drive module and contact measure loop;The controller, from dynamic circuit breaker Electric control module and execute power-off/upper Electric drive module and be sequentially connected, the execution power-off/upper Electric drive module and power contact Connection, the contact measure loop are connected with the controller;
The controller, disconnected for being sent to the execution power-off/upper Electric drive module by the automatic power-off control module Electricity instruction;
The execution power-off/upper Electric drive module, for when the cut-offing instruction is received, disconnecting the power contact;
The contact measure loop, between the live wire and zero line of power supply, for detecting the break-make situation of the power contact, And the break-make situation of detection is fed back to the controller.
3. intelligent wireless earth leakage protective socket as claimed in claim 2, it is characterised in that the contact measure loop is by photoelectricity Bonder U1 and voltage drop element composition;
The input of the photoelectrical coupler U1 is located at after being connected with the voltage drop element between the live wire and zero line of the power supply, The outfan of the photoelectrical coupler U1 is located between the controller and ground.
4. intelligent wireless earth leakage protective socket as claimed in claim 2, it is characterised in that the leakage protection circuit is also wrapped Include:The automatically upper electric control module being connected with the controller;
The controller, is additionally operable to send to the execution power-off/upper Electric drive module by the automatically upper electric control module Upper electricity instruction;
The execution power-off/upper Electric drive module, for when electricity instruction on described is received, closing the power contact.
5. intelligent wireless earth leakage protective socket as claimed in claim 4, it is characterised in that the leakage protection circuit includes: Earth leakage protective control module, zero sequence detection of electrical leakage transformer and zero sequence electric leakage self-inspection loop;The zero sequence detection of electrical leakage transformer, Earth leakage protective control module and controller are sequentially connected, and the zero sequence electric leakage self-inspection loop is connected with the controller;
The controller, is additionally operable to send turn-on command to zero sequence electric leakage self-inspection loop;
The zero sequence electric leakage self-inspection loop, for when the turn-on command is received, being turned on;
The zero sequence detection of electrical leakage transformer, for when zero sequence electric leakage self-inspection loop turns on, to the earth leakage protective control Molding block sends trigger;
The earth leakage protective control module, for when the trigger is received, sending earth leakage protective to the controller Signal.
6. intelligent wireless earth leakage protective socket as claimed in claim 5, it is characterised in that the zero sequence electric leakage self-inspection loop bag Include:Zero sequence electric leakage self-inspection inductance L1, commutation diode D2, resistance R3 and audion Q5, the zero sequence electric leakage self-inspection inductance L1 wear It is wound on the zero sequence detection of electrical leakage transformer, the zero sequence electric leakage self-inspection inductance L1, commutation diode D2 and resistance R3 series connection Between connection and the colelctor electrode of the live wire located at power supply and audion Q5, the base stage of the audion Q5 is connected with the controller Connect, the grounded emitter of the audion Q5.
7. intelligent wireless earth leakage protective socket as claimed in claim 5, it is characterised in that the leakage protection circuit is also wrapped Include:Ground wire electric leakage self-inspection loop and ground line current detection transformer, the ground line current detection transformer and the earth leakage protective Control module connects, and the ground wire electric leakage self-inspection loop is connected with the controller;
The ground wire electric leakage self-inspection loop, for when the turn-on command is received, being turned on;
The ground line current detects transformer, for when ground wire electric leakage self-inspection loop turns on, to the earth leakage protective control Molding block sends trigger.
8. intelligent wireless earth leakage protective socket as claimed in claim 7, it is characterised in that the ground wire electric leakage self-inspection loop bag Include:Ground wire electric leakage self-inspection inductance L2, commutation diode D2, resistance R2 and audion Q4, the ground wire electric leakage self-inspection inductance L2 wear It is wound on the ground line current detection transformer, the ground wire electric leakage self-inspection inductance L2, commutation diode D2 and resistance R2 series connection Between connection and the colelctor electrode of the live wire located at power supply and the audion Q4, the base stage of the audion Q4 and the controller Connection, the grounded emitter of the audion Q4.
9. intelligent wireless earth leakage protective socket as claimed in claim 8, it is characterised in that the leakage protection circuit is also wrapped Include:The ground wire electrified detection module being connected with the controller;
The ground wire electrified detection module, for detecting the voltage difference between the zero line and ground wire of the power supply, in the voltage When difference is less than predetermined voltage threshold, the earth leakage protective control module is closed by the controller.
10. intelligent wireless earth leakage protective socket as claimed in claim 9, it is characterised in that the leakage protection circuit is also wrapped Include:Trigger control module and audion Q3, the trigger control module are connected with the earth leakage protective control module, three pole The colelctor electrode of pipe Q3 is connected respectively with the trigger control module and execution power-off/upper Electric drive module, the audion Q3's Grounded emitter, the base stage of the audion Q3 are connected with the controller.
CN201611226066.8A 2016-12-27 2016-12-27 Intelligent wireless earth leakage protective socket CN106505378B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611226066.8A CN106505378B (en) 2016-12-27 2016-12-27 Intelligent wireless earth leakage protective socket

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611226066.8A CN106505378B (en) 2016-12-27 2016-12-27 Intelligent wireless earth leakage protective socket

Publications (2)

Publication Number Publication Date
CN106505378A true CN106505378A (en) 2017-03-15
CN106505378B CN106505378B (en) 2018-11-02

Family

ID=58334433

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611226066.8A CN106505378B (en) 2016-12-27 2016-12-27 Intelligent wireless earth leakage protective socket

Country Status (1)

Country Link
CN (1) CN106505378B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106849005A (en) * 2017-03-30 2017-06-13 乐清市诚富电器科技有限公司 A kind of intelligent leakage protector controls circuit and control method
CN107328110A (en) * 2017-07-27 2017-11-07 浙江新涛电子科技股份有限公司 Pulsed water outlet power-off control circuit
CN108933427A (en) * 2017-05-27 2018-12-04 芜湖美的厨卫电器制造有限公司 Electric heater and its protective device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101860006A (en) * 2010-05-07 2010-10-13 艾欧史密斯(中国)热水器有限公司 Electric leakage protection device suitable for electric water heater
CN201789162U (en) * 2009-09-30 2011-04-06 广州番禺旭东阪田电子有限公司 Multifunctional residual current protective plug
CN203289079U (en) * 2013-05-30 2013-11-13 宁波市镇海高途日用品有限公司 Socket overheating remote-control shutdown device
CN104868444A (en) * 2015-05-15 2015-08-26 余姚市嘉荣电子电器有限公司 Intelligent wireless network type leakage protector
CN104993328A (en) * 2015-07-21 2015-10-21 晋江市永铭电子科技有限公司 Socket having wireless induction power cutoff function
CN206283051U (en) * 2016-12-27 2017-06-27 余姚市嘉荣电子电器有限公司 Intelligent wireless earth leakage protective socket

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201789162U (en) * 2009-09-30 2011-04-06 广州番禺旭东阪田电子有限公司 Multifunctional residual current protective plug
CN101860006A (en) * 2010-05-07 2010-10-13 艾欧史密斯(中国)热水器有限公司 Electric leakage protection device suitable for electric water heater
CN203289079U (en) * 2013-05-30 2013-11-13 宁波市镇海高途日用品有限公司 Socket overheating remote-control shutdown device
CN104868444A (en) * 2015-05-15 2015-08-26 余姚市嘉荣电子电器有限公司 Intelligent wireless network type leakage protector
CN104993328A (en) * 2015-07-21 2015-10-21 晋江市永铭电子科技有限公司 Socket having wireless induction power cutoff function
CN206283051U (en) * 2016-12-27 2017-06-27 余姚市嘉荣电子电器有限公司 Intelligent wireless earth leakage protective socket

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106849005A (en) * 2017-03-30 2017-06-13 乐清市诚富电器科技有限公司 A kind of intelligent leakage protector controls circuit and control method
CN106849005B (en) * 2017-03-30 2018-11-06 乐清市诚富电器科技有限公司 A kind of intelligent leakage protector control circuit and control method
CN108933427A (en) * 2017-05-27 2018-12-04 芜湖美的厨卫电器制造有限公司 Electric heater and its protective device
CN107328110A (en) * 2017-07-27 2017-11-07 浙江新涛电子科技股份有限公司 Pulsed water outlet power-off control circuit
CN107328110B (en) * 2017-07-27 2020-06-02 浙江新涛电子科技有限公司 Pulse type water outlet power-off control circuit

Also Published As

Publication number Publication date
CN106505378B (en) 2018-11-02

Similar Documents

Publication Publication Date Title
CN103545786B (en) A kind of protective device of leakage current
CN101860006B (en) Electric leakage protection device suitable for electric water heater
CN205681098U (en) Three pole earth leakage protective devices
CN103401103B (en) Automatic cut-off conversion socket for electric apparatus standby
CN204205588U (en) Electric wiring device
CN104868443B (en) Automatic electric intelligent leakage protector
CN102457042B (en) Novel electricity leakage detection protection circuit
CN104201647B (en) Electric appliance casing leakage protection circuit and method
CN204407623U (en) A kind of safety power socket
CN102780205B (en) Electric leakage detecting protection circuit
CN103208776A (en) Breaker circuit with fault self-detection function
CN203056953U (en) Driver and bus capacitor discharge circuit thereof
CN103293985B (en) Zero consumption standby circuit
CN101459302A (en) All-purpose leakage protection plug for ground wire live trip
CN207382047U (en) Detection of power loss and main power supply switching system in intelligent domestic system
CN103986117A (en) Apparatus, systems, and methods for operation of a trip unit in a circuit protection device
CN104698291B (en) Three-phase four-wire system lacks zero curve Function detection circuit and detection method
CN104135083A (en) Intelligent household distribution box
CN103872658A (en) Multifunctional self-recovery over-voltage and under-voltage protector
CN203521792U (en) Nfc safety socket
CN103490377A (en) Protection circuit for electric leakage detection
CN107294059B (en) Use electric detection means
CN107895931A (en) A kind of no-voltage opens the switch implementation method closed with zero current
CN201556927U (en) Electric leakage detection protecting circuit and electric leakage detection protector
CN204178188U (en) A kind of standby zero power consumption circuit and washing machine

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant