CN106505378A - Intelligent wireless earth leakage protective socket - Google Patents
Intelligent wireless earth leakage protective socket Download PDFInfo
- 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
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- Prior art keywords
- leakage
- controller
- power
- earth leakage
- control module
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6666—Structural association with built-in electrical component with built-in electronic circuit with built-in overvoltage protection
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6683—Structural association with built-in electrical component with built-in electronic circuit with built-in sensor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6691—Structural association with built-in electrical component with built-in electronic circuit with built-in signalling means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
- H01R13/713—Structural association with built-in electrical component with built-in switch the switch being a safety switch
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Emergency Protection Circuit Devices (AREA)
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
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.
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 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611226066.8A CN106505378B (en) | 2016-12-27 | 2016-12-27 | Intelligent wireless earth leakage protective socket |
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| Publication Number | Publication Date |
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| CN106505378A true CN106505378A (en) | 2017-03-15 |
| CN106505378B CN106505378B (en) | 2018-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611226066.8A Active CN106505378B (en) | 2016-12-27 | 2016-12-27 | Intelligent wireless earth leakage protective socket |
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| CN (1) | CN106505378B (en) |
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| CN106998017A (en) * | 2017-05-25 | 2017-08-01 | 浙江明佳环保科技有限公司 | A kind of electric heater power-off bathing protection socket |
| CN107270548A (en) * | 2017-08-08 | 2017-10-20 | 广东万家乐燃气具有限公司 | Overtemperature prote control system and electric heater |
| 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 |
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| CN110190479A (en) * | 2019-04-30 | 2019-08-30 | 东莞市伊家智能科技有限公司 | A kind of intelligent socket and intelligence control system with creepage protection function |
| CN111293525A (en) * | 2020-03-01 | 2020-06-16 | 金华市然越汽车科技有限公司 | Wiring board |
| CN115909674A (en) * | 2023-02-13 | 2023-04-04 | 成都秦川物联网科技股份有限公司 | Alarm and gas meter linkage method based on intelligent gas and Internet of things system |
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| CN111293525A (en) * | 2020-03-01 | 2020-06-16 | 金华市然越汽车科技有限公司 | Wiring board |
| CN115909674A (en) * | 2023-02-13 | 2023-04-04 | 成都秦川物联网科技股份有限公司 | Alarm and gas meter linkage method based on intelligent gas and Internet of things system |
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