CN109742728A - A kind of full pole disconnection type earth leakage protective device control method of power loss - Google Patents
A kind of full pole disconnection type earth leakage protective device control method of power loss Download PDFInfo
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- CN109742728A CN109742728A CN201910077161.3A CN201910077161A CN109742728A CN 109742728 A CN109742728 A CN 109742728A CN 201910077161 A CN201910077161 A CN 201910077161A CN 109742728 A CN109742728 A CN 109742728A
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Abstract
The present invention relates to Household electricity leakage protection device technical fields; especially a kind of full pole disconnection type earth leakage protective device control method of power loss comprising electronic switch module, full pole on-off relay, isolated power supply, isolation control input, isolation control output, the first earth leakage protective chip, the second earth leakage protective chip, power module and MCU.Beneficial effects of the present invention: compared with existing earth leakage protective device; the control method replaces traditional earth leakage protective device releasing structure using special relay and control mode; it solves not discharging or passively release circuit damage automatically because of earth leakage protective device releasing structure traditional after power loss, causes ground wire electrification to there are the security risk of contact electric shock and the relay construction has many advantages, such as that longer mechanical life, at low cost, small in size, circuit be simple and active safeguard protection.
Description
Technical field
The present invention relates to Household electricity leakage protection device technical field, especially a kind of full pole disconnection type earth leakage protective device control of power loss
Method processed.
Background technique
Existing earth leakage protective device is disconnected mode and is disconnected using the active passive type of mechanical self-latching, after power interruptions, tripping
Mechanism cannot achieve active disconnection, and for the structure when ground wire electrification, there are the security risks that contact gets an electric shock by operator.
Therefore, it is necessary to propose a kind of full pole disconnection type earth leakage protective device control method of power loss in response to the above problems.This hair
The control method of bright proposition has fundamentally prevented above-mentioned security risk, which is replaced traditional using relay construction
Earth leakage protective device releasing structure.Relay is passive actuation (energization), and (in power loss, relay coil is touched without electricity for active disconnection
Point actively disconnects), while relay has mechanical life long, high reliability.
Summary of the invention
Object of the present invention is to overcome deficiency in the prior art, a kind of full pole disconnection type earth leakage protective device of power loss is provided
Control method.
In order to solve the above-mentioned technical problem, the present invention is achieved through the following technical solutions:
A kind of full pole disconnection type earth leakage protective device control method of power loss, including electronic switch module, full pole on-off relay,
Isolated power supply, isolation control input, isolation control output, the first earth leakage protective chip, the second earth leakage protective chip, power module
And MCU.The port function of the MCU resets output, the input of zero sequence detection of electrical leakage, the input of ground wire detection of electrical leakage, electric leakage by electric leakage
Protection output, zero-crossing pulse input, reset be powered input, high temperature detection input, high-low pressure detection input, zero passage detection input,
Isolation control output, isolation control input, display module input/output, wireless module input/output, operation module input/defeated
It is formed out with the seven core bundles of outputs.Wherein the full pole disconnection type earth leakage protective device control method of power loss is using special relay and control
Mode processed replaces traditional earth leakage protective device releasing structure, solves because earth leakage protective device releasing structure traditional after power loss can not be certainly
Dynamic release passively releases circuit damage, causes ground wire electrification to which there are the security risks of contact electric shock.Tripping mechanism is adopted
With full pole on-off relay, full pole on-off relay is three pole normal-open type relays, and full pole on-off relay uses electronic switch
Module controls its opportunity being switched on or switched off, and electronic switch module exports pulsed drive using MCU, using MCU process control and
Various safe and intelligent protection controls are realized in periphery detection.
Wherein, isolated power supply is available to the safety power supply of external equipment.Power module is available to this control loop institute
The power supply needed.Operation module is to provide button operation information to MCU.Display module is to provide operation information and shows and state or function
It can display.Isolation control input and isolation control output are available to the two-way communication and control of MCU and external equipment.Wireless mould
Block is to realize radio operation, remote operation and the modern communication function of control.The full pole disconnection type earth leakage protective device control of power loss
Method realizes power loss (power interruptions) and disconnects automatically, the function for turn on automatically of sending a telegram here.Relay mechanical life reaches 1,000,000 times
On-off, the on-off number that significantly larger than existing earth leakage protective device product standard requires, safety and reliability are high.
Preferably, electronic switch module be serially connected in full pole on-off relay and systematically between.Electronic switch module is by MCU
E foot pulse width control.Electronic switch module can be silicon-controlled, triode or IGBT pipe.
Preferably, wherein the open gap between the contact Ei-Eo is 3mm, the open gap between the contact Li-Lo, Ni-No
Greater than 3.2mm；In contact closure, Ei-Eo is first closed compared with Li-Lo, Ni-No, and when contact disconnects, Ei-Eo is compared with Li-Lo, Ni-No
After disconnect.The control mode meets the mandatory requirement (that is: ground wire closes first and then disconnect) of national standard (GB 4706.1).
Preferably, the coil both ends of full pole on-off relay and CD capacitor is connected to as storage capacitor, be used for electronic switch
The power supply of full pole on-off relay coil when module pulse is closed.
Preferably, wherein isolated power supply is used for external equipment.
Preferably, wherein isolation control input receives external control signal input, OP1 light-coupled isolation is utilized；Isolation control
Output control signal is exported to be used to external equipment, utilizes OP2 light-coupled isolation.
Preferably, the wherein operation module input/output of operation module connection MCU, operation module are equipped with operation button, behaviour
It can be mechanical switch or electronic touch switch as key.
Preferably, wherein the display module input/output of display module connection MCU, display module can be LCD screen, LED
Screen or LED light.
Preferably, the wherein wireless module input/output of wireless module connection MCU, for wirelessly communicating and controlling.
Preferably, wherein power module is attempted by between power input Li and Ni, for out-put supply VCC, VDD for system
It uses.
Preferably, wherein earth leakage protective uses the first earth leakage protective chip, the second earth leakage protective chip, tests key, is multiple
Position key, zero passage detection input, high-low pressure detection input and high temperature detection input are that core cell forms.
Beneficial effects of the present invention: compared with existing earth leakage protective device, the control method be using special relay and
Control mode replaces traditional earth leakage protective device releasing structure, solves because earth leakage protective device releasing structure traditional after power loss can not
Automatically circuit damage is discharged or passively released, causes ground wire electrification to which there are the security risks and the relay of contact electric shock
Structure has many advantages, such as that longer mechanical life, at low cost, small in size, circuit be simple and active safeguard protection.
It is described further below with reference to technical effect of the attached drawing to design of the invention, specific structure and generation, with
It is fully understood from the purpose of the present invention, feature and effect.
Detailed description of the invention
Fig. 1 is the principle of the present invention block diagram；
Fig. 2 is the structure chart of the seven core bundles of outputs of the invention.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
Such as Fig. 1 and as shown in connection with fig. 2, a kind of full pole disconnection type earth leakage protective device control method of power loss, including electronic switch
Module, full pole on-off relay RL, isolated power supply IC5, isolation control input K, isolation control output J, the first earth leakage protective core
Piece IC1, the second earth leakage protective chip IC 2, power module IC4 and MCU.The port function of the MCU by electric leakage reset output A,
Zero sequence detection of electrical leakage inputs B, ground wire detection of electrical leakage input C, earth leakage protective output D, zero-crossing pulse input E, resets the input that is powered
F, high temperature detection input G, high-low pressure detection input H, zero passage detection input I, isolation control output J, control input K are isolated, is aobvious
Show module input/output L, wireless module input/output M, operation module input/output N and seven core bundles of outputs composition.Wherein
The full pole disconnection type earth leakage protective device control method of power loss is to replace traditional earth leakage protective using special relay and control mode
Device releasing structure solves not discharging or passively release circuit damage automatically because of earth leakage protective device releasing structure traditional after power loss
It is bad, cause ground wire electrification to which there are the security risks of contact electric shock.Tripping mechanism uses full pole on-off relay RL, Quan Ji
On-off relay RL is three pole normal-open type relays, and full pole on-off relay RL controls it using electronic switch module and connects on-off
The opportunity opened, electronic switch module export pulsed drive using MCU, realize various peaces using MCU process control and periphery detection
Full intelligent protection control.
Wherein, isolated power supply IC5 is available to the safety power supply of external equipment.Power module IC4 is available to this control
Power supply needed for circuit.Operation module is to provide button operation information to MCU.Display module is to provide operation information and shows and shape
State or function are shown.Isolation control input K and isolation control output J is available to the two-way communication and control of MCU and external equipment
System.Wireless module is to realize radio operation, remote operation and the modern communication function of control.The full pole disconnection type electric leakage of power loss is protected
Shield device control method realizes power loss (power interruptions) and disconnects automatically, the function for turn on automatically of sending a telegram here.Relay mechanical life reaches
The on-off number required to 1,000,000 on-off, significantly larger than existing earth leakage protective device product standard, safety and reliability pole
It is high.
Further, electronic switch module be serially connected in full pole on-off relay RL and systematically between.Electronic switch module
By the E foot pulse width control of MCU.Electronic switch module can be silicon-controlled, triode or IGBT pipe.
Further, wherein the open gap between the contact Ei-Eo is 3mm, between the disconnection between the contact Li-Lo, Ni-No
Gap is greater than 3.2mm；In contact closure, Ei-Eo is first closed compared with Li-Lo, Ni-No, and when contact disconnects, Ei-Eo is compared with Li-Lo, Ni-
It is disconnected after No.The control mode meets the mandatory requirement (that is: ground wire closes first and then disconnect) of national standard (GB 4706.1).
Further, the coil both ends of full pole on-off relay RL and CD capacitor is connected to as storage capacitor, be used for electronics
The power supply of full pole on-off relay RL coil when switch module pulse is closed.
Further, wherein isolated power supply IC5 is used for external equipment.
Further, wherein isolation control input K receives external control signal input, OP1 light-coupled isolation is utilized；Isolation control
System output J control signal is exported to be used to external equipment, utilizes OP2 light-coupled isolation.
Further, wherein the operation module input/output N of operation module connection MCU, operation module are equipped with operation and press
Key, operation button can be mechanical switch or electronic touch switch.
Further, wherein display module connection MCU display module input/output L, display module can be LCD screen,
LED screen or LED light.
Further, wherein wireless module connection MCU wireless module input/output M, for wirelessly communicating and controlling.
Further, wherein power module IC4 is attempted by between power input Li and Ni, is used for out-put supply VCC, VDD
It is used for system.
Further, wherein earth leakage protective uses the first earth leakage protective chip IC 1, the second earth leakage protective chip IC 2, test
Key K1, reset key S1, zero passage detection input I, high-low pressure detection input H and high temperature detection input G are core cell composition.
For the present invention compared with existing earth leakage protective device, which replaced using special relay and control mode
Traditional earth leakage protective device releasing structure, solve because earth leakage protective device releasing structure traditional after power loss can not discharge automatically or by
Dynamic release circuit damage, cause ground wire electrification to there are the security risk of contact electric shock and the relay construction have it is longer
Mechanical life, the advantages that at low cost, small in size, circuit is simple and active safeguard protection.The control method uses Quan Jitong
It is attracted when disconnected relay RL, full pole on-off relay RL are attracted using 110V DC, when work is controlled using duty ratio, and utilization is small
Duty ratio width maintains full pole on-off relay RL the suction-combining force to reduce full pole on-off relay RL coil power dissipation while utilize
Open gap between the contact Ei-Eo is 3mm, and the open gap between the contact Li-Lo, Ni-No is greater than 3.2mm；It is closed in contact
Ei-Eo is first closed compared with Li-Lo, Ni-No when conjunction, is disconnected after when contact disconnects, Ei-Eo is compared with Li-Lo, Ni-No, the control mode
Meet the mandatory requirement (that is: ground wire closes first and then disconnect) of national standard (GB 4706.1).
Working principle:
Electric control on relay: energized state, after the completion of MCU self-test or earth leakage protective state presses reset key S1, MCU's
After zero passage detection input I detects zero passage lock-out pulse, the E foot output 10mS pulse of MCU triggers electronic switch module through C2, D3
Conducting, VDD 100V voltage through D2, full pole on-off relay RL, CD to systematically, inhale by full pole on-off relay RL moment at this time
It closes.Then, the E foot of MCU will export zero passage lock-out pulse 2mS width after electronic switch module is connected complete in every 20mS period
The pole on-off both ends relay RL, which form < 30V DC maintenance voltage, makes full pole on-off relay RL maintain actuation energized state, bears
Carrying Lo, No, Eo has low pressure output.
Relay power-off control: energized state, by test key K1, the high electricity of A6 output of the first earth leakage protective chip IC 1
Flat, Q1 is connected through R3A, D3A in voltage, and D3 cut-off, electronic switch module is closed, and full pole on-off relay RL is discharged without electricity.With
This simultaneously, the output high level synchronous effect of the D foot of MCU realizes that the full pole on-off relay RL of double drive disconnects protection in Q1.MCU
The overturning of B foot be high level, the E foot of MCU stops output, and full pole on-off relay RL is in release conditions always.
Zero sequence earth leakage protective: energized state, when ZCT1 detects electric leakage signal, electric leakage is input to the first earth leakage protective core
A3, A4 foot of piece IC1, the A5 start by set date capacitor of the first earth leakage protective chip IC 1, when CA timing capacitor end, voltage reaches setting
When value, the A6 of the first earth leakage protective chip IC 1 exports high level, and Q1 is connected through R3A, D3A in voltage, D3 cut-off, electronic switch
Module is closed, and full pole on-off relay RL is discharged without electricity.At the same time, the D foot output high level synchronous effect of MCU is realized in Q1
The full pole on-off relay RL of double drive disconnects protection.The B foot overturning of MCU is high level, and the E foot of MCU stops output, Quan Jitong
Disconnected relay RL is in release conditions always.
Zero sequence electric leakage resets: zero sequence earth leakage protective state, by reset key S1, the F foot input low level of MCU, the A of MCU
Foot exports 10mS high level, is connected through R1A, QA, and timing capacitor CA sparks, the A6 output of the first earth leakage protective chip IC 1
The B foot of low level, MCU passively exports low level.After the zero passage detection input I of MCU detects zero passage lock-out pulse, the E foot of MCU
10mS pulse is exported through C2, D3 triggering electronic switch module conducting, VDD 100V voltage is through D2, full pole on-off relay at this time
To systematically, full pole on-off relay RL moment is attracted by RL, CD.Then, the E foot of MCU is same by output zero passage in every 20mS period
Pace pulse 2mS width, which forms < 30V DC maintenance voltage at the full pole on-off both ends relay RL after electronic switch module is connected, to be made
Full pole on-off relay RL maintains actuation energized state, and load Lo, No, Eo have voltage output.
Ground wire earth leakage protective: energized state, when ZCT2 detects electric leakage signal, electric leakage is input to the second earth leakage protective core
B3, B4 foot of piece IC2, the B5 start by set date capacitor of the second earth leakage protective chip IC 2, when CB timing capacitor end, voltage reaches setting
When value, the B6 of the second earth leakage protective chip IC 2 exports high level, and Q1 is connected through R3B, D3B in voltage, D3 cut-off, electronic switch
Module is closed, and full pole on-off relay RL is discharged without electricity.At the same time, the D foot output high level synchronous effect of MCU is realized in Q1
The full pole on-off relay RL of double drive disconnects protection.The C foot overturning of MCU is high level, and the E foot of MCU stops output, Quan Jitong
Disconnected relay RL is in release conditions always.
Ground wire electric leakage resets: ground wire earth leakage protective state, by reset key S1, the F foot input low level of MCU, the A of MCU
Foot exports 10mS high level, is connected through R1B, QB, and timing capacitor CB sparks, the A6 output of the second earth leakage protective chip IC 2
Low level, the C foot of MCU passively exports low level, after the zero passage detection input I of MCU detects zero passage lock-out pulse, the E foot of MCU
10mS pulse is exported through C2, D3 triggering electronic switch module conducting, VDD 100V voltage is through D2, full pole on-off relay at this time
To systematically, full pole on-off relay RL moment is attracted by RL, CD.Then, the E foot of MCU is same by output zero passage in every 20mS period
Pace pulse 2mS width, which forms < 30V DC maintenance voltage at the full pole on-off both ends relay RL after electronic switch module is connected, to be made
Full pole on-off relay RL maintains actuation energized state, and load Lo, No, Eo have voltage output.
High-low pressure protection: energized state, when the H foot of MCU detects that supply voltage is greater than (such as: 280V), the D foot of MCU
High level is exported, Q1 conducting, D3 cut-off, full pole on-off relay RL, which is disconnected, to be protected.The E foot of MCU stops output at the same time, entirely
Pole on-off relay RL is in release conditions always；When the H foot of MCU detects that supply voltage is less than (such as: 260V), MCU's
After zero passage detection input I detects zero passage lock-out pulse, the E foot output 10mS pulse of MCU triggers electronic switch module through C2, D3
Conducting, VDD 100V voltage through D2, full pole on-off relay RL, CD to systematically, inhale by full pole on-off relay RL moment at this time
It closes.Then, the E foot of MCU will export zero passage lock-out pulse 2mS width after electronic switch module is connected complete in every 20mS period
The pole on-off both ends relay RL, which form < 30V DC maintenance voltage, makes full pole on-off relay RL maintain actuation energized state, bears
Carrying Lo, No, Eo has voltage output, such cycle detection.
High temperature protection: when energized state, when the G foot of MCU detects that earth leakage protective device space temperature is greater than (such as: 80 DEG C),
The D foot of MCU exports high level, and Q1 conducting, D3 cut-off, full pole on-off relay RL, which is disconnected, to be protected.The E foot of MCU stops at the same time
It only exports, full pole on-off relay RL is in release conditions always.The G foot of MCU detects that earth leakage protective device space temperature is less than
When (such as: 70 DEG C), after the zero passage detection of MCU input I detects zero passage lock-out pulse, the E foot output 10mS pulse of MCU through C2,
D3 triggers electronic switch module conducting, at this time VDD 100V voltage through D2, full pole on-off relay RL, CD to systematically, Quan Ji
On-off relay RL moment is attracted.Then, the E foot of MCU is by output zero passage lock-out pulse 2mS width in every 20mS period through electronics
Forming < 30V DC maintenance voltage at the full pole on-off both ends relay RL after switch module conducting ties up full pole on-off relay RL
It holds and is being attracted energized state, load Lo, No, Eo have voltage output, such cycle detection.
Isolation input control: it is attracted control: when INP input high level (or agreement pulse protocol) of external CN1, OP1 light
Coupling conducting, when the K foot of MCU detects high level, after the zero passage detection input I of MCU detects zero passage lock-out pulse, the E foot of MCU
10mS pulse is exported through C2, D3 triggering electronic switch module conducting, VDD 100V voltage is through D2, full pole on-off relay at this time
To systematically, full pole on-off relay RL moment is attracted by RL, CD.Then, the E foot of MCU is same by output zero passage in every 20mS period
Pace pulse 2mS width, which forms < 30V DC maintenance voltage at the full pole on-off both ends relay RL after electronic switch module is connected, to be made
Full pole on-off relay RL maintains actuation energized state, and load Lo, No, Eo have voltage output.
Disconnect control: when INP input low level (or agreement pulse protocol) of external CN1, the cut-off of OP1 optocoupler, the K of MCU
When foot detects low level, the D foot of MCU exports high level, and Q1 conducting, D3 cut-off, full pole on-off relay RL, which is disconnected, to be protected.With
This simultaneously, the E foot of MCU stops output, and full pole on-off relay RL is in release conditions always.
Isolation output control: energized state, the status information that the J foot output earth leakage protective device of MCU is attracted or disconnects is through OP2
Light-coupled isolation, which is output on the OUT terminal mouth of external terminal CN1, realizes external exchange with internal information or double-direction control.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be within the scope of protection determined by the claims.
Claims (11)
1. a kind of full pole disconnection type earth leakage protective device control method of power loss, it is characterised in that: including electronic switch module, Quan Jitong
Disconnected relay (RL), isolated power supply (IC5), isolation control input (K), isolation control output (J), the first earth leakage protective chip
(IC1), the port function of the second earth leakage protective chip (IC2), power module (IC4) and MCU, the MCU are resetted defeated by electric leakage
(A), zero sequence detection of electrical leakage input (B), ground wire detection of electrical leakage input (C), earth leakage protective output (D), zero-crossing pulse input out
(E), the input (F) that is powered, high temperature detection input (G), high-low pressure detection input (H), zero passage detection input (I), isolation control are resetted
System output (J), isolation control input (K), display module input/output (L), wireless module input/output (M), operation module
Input/output (N) He Qixin bundle of outputs composition, wherein the full pole disconnection type earth leakage protective device control method of power loss is using special
Relay and control mode replace traditional earth leakage protective device releasing structure, solve to thread off because of earth leakage protective device traditional after power loss
Structure can not discharge automatically or passively release circuit damage, cause ground wire electrification to which there are the security risks of contact electric shock；
Tripping mechanism uses full pole on-off relay (RL), and full pole on-off relay (RL) is three pole normal-open type relays, full pole on-off
Relay (RL) controls its opportunity being switched on or switched off using electronic switch module, and electronic switch module exports pulse using MCU
Driving realizes various safe and intelligent protection controls using MCU process control and periphery detection；
Wherein, isolated power supply (IC5) is available to the safety power supply of external equipment；Power module (IC4) is available to this control
Power supply needed for circuit；Operation module is to provide button operation information to MCU；Display module is to provide operation information and shows and shape
State or function are shown；Isolation control input (K) and isolation control output (J) are available to the two-way communication of MCU and external equipment
And control；Wireless module is to realize radio operation, remote operation and the modern communication function of control, the full pole disconnection type leakage of power loss
Non-electricity protector control method realizes power loss and disconnects automatically, the function for turn on automatically of sending a telegram here.
2. a kind of full pole disconnection type earth leakage protective device control method of power loss as described in claim 1, it is characterised in that: electronic cutting
Close module be serially connected in full pole on-off relay (RL) and systematically between；E foot pulse width control of the electronic switch module by MCU
System；Electronic switch module can be silicon-controlled, triode or IGBT pipe.
3. a kind of full pole disconnection type earth leakage protective device control method of power loss as described in claim 1, it is characterised in that: wherein
Open gap between the contact Ei-Eo is 3mm, and the open gap between the contact Li-Lo, Ni-No is greater than 3.2mm；It is closed in contact
Ei-Eo is first closed compared with Li-Lo, Ni-No when conjunction, is disconnected after when contact disconnects, Ei-Eo is compared with Li-Lo, Ni-No.
4. a kind of full pole disconnection type earth leakage protective device control method of power loss as described in claim 1, it is characterised in that: Quan Jitong
The coil both ends of disconnected relay (RL) are simultaneously connected to CD capacitor as storage capacitor, full when for electronic switch module pulse closing
The power supply of pole on-off relay (RL) coil.
5. a kind of full pole disconnection type earth leakage protective device control method of power loss as described in claim 1, it is characterised in that: its interval
It is used from power supply (IC5) for external equipment.
6. a kind of full pole disconnection type earth leakage protective device control method of power loss as described in claim 1, it is characterised in that: its interval
External control signal input is received from control input (K), utilizes OP1 light-coupled isolation；Isolation control output (J) control signal output
It is used to external equipment, utilizes OP2 light-coupled isolation.
7. a kind of full pole disconnection type earth leakage protective device control method of power loss as described in claim 1, it is characterised in that: wherein grasp
Make the operation module input/output (N) of module connection MCU, operation module is equipped with operation button, and operation button can be machinery and open
It closes or electronic touch switchs.
8. a kind of full pole disconnection type earth leakage protective device control method of power loss as described in claim 1, it is characterised in that: wherein show
Show the display module input/output (L) of module connection MCU, display module can be LCD screen, LED screen or LED light.
9. a kind of full pole disconnection type earth leakage protective device control method of power loss as described in claim 1, it is characterised in that: wherein without
Wire module connects the wireless module input/output (M) of MCU, for wirelessly communicating and controlling.
10. a kind of full pole disconnection type earth leakage protective device control method of power loss as described in claim 1, it is characterised in that: wherein
Power module (IC4) is attempted by between power input Li and Ni, is used for out-put supply VCC, VDD for system.
11. a kind of full pole disconnection type earth leakage protective device control method of power loss as described in claim 1, it is characterised in that: wherein leak
Electric protection is using the first earth leakage protective chip (IC1), the second earth leakage protective chip (IC2), test key (K1), reset key
(S1), zero passage detection input (I), high-low pressure detection input (II) and high temperature detection input (G) are core cell composition.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104979798A (en) * | 2015-05-04 | 2015-10-14 | 余姚市嘉荣电子电器有限公司 | Automatic identification omnibearing protection leakage protector device |
| US9281905B2 (en) * | 2012-06-28 | 2016-03-08 | Rockwell Automation Technologies, Inc. | Electrical insulation configuration for an electrical device |
| CN106711938A (en) * | 2016-12-27 | 2017-05-24 | 余姚市嘉荣电子电器有限公司 | Leakage protector |
| CN106773994A (en) * | 2017-01-09 | 2017-05-31 | 浙江新涛电子科技股份有限公司 | The circuit and control method of a kind of SECO PE ground wires |
| CN106981859A (en) * | 2017-03-30 | 2017-07-25 | 乐清市诚富电器科技有限公司 | A kind of ground line current locking-type earth leakage protective device control method |
-
2019
- 2019-01-11 CN CN201910077161.3A patent/CN109742728A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9281905B2 (en) * | 2012-06-28 | 2016-03-08 | Rockwell Automation Technologies, Inc. | Electrical insulation configuration for an electrical device |
| CN104979798A (en) * | 2015-05-04 | 2015-10-14 | 余姚市嘉荣电子电器有限公司 | Automatic identification omnibearing protection leakage protector device |
| CN106711938A (en) * | 2016-12-27 | 2017-05-24 | 余姚市嘉荣电子电器有限公司 | Leakage protector |
| CN106773994A (en) * | 2017-01-09 | 2017-05-31 | 浙江新涛电子科技股份有限公司 | The circuit and control method of a kind of SECO PE ground wires |
| CN106981859A (en) * | 2017-03-30 | 2017-07-25 | 乐清市诚富电器科技有限公司 | A kind of ground line current locking-type earth leakage protective device control method |
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Application publication date: 20190510 |