CN206452124U - The dynamic module of disconnecting of phase before single live wire - Google Patents
The dynamic module of disconnecting of phase before single live wire Download PDFInfo
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- CN206452124U CN206452124U CN201720127889.9U CN201720127889U CN206452124U CN 206452124 U CN206452124 U CN 206452124U CN 201720127889 U CN201720127889 U CN 201720127889U CN 206452124 U CN206452124 U CN 206452124U
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- 230000001360 synchronised effect Effects 0.000 claims abstract description 121
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
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Abstract
The dynamic module of disconnecting of phase, mainly includes before a kind of single live wire：It is double and two synchronous tandems disconnect circuit, to connect electronic type switching switch, a synchronous tandem therein circuit of disconnecting is disconnected to exchange positive, and another synchronous tandem circuit of disconnecting is disconnected to exchange negative, each synchronous tandem circuit of disconnecting chases after the dynamic adjustment unit of zero control unit, a synchronized loading and an AC synchronous chases after zero and disconnected unit with power supply unit in the outer power supply unit of a synchronous rectification, a synchronous rectification, an AC synchronous voltage control unit, FET drivings；Whereby, disconnected, disconnected in alternating current a cycle in the case of single live wire 2 times using two-way dynamic full-bridge type, and width of disconnecting adjust automatically can compensate electric power with the increase and decrease for bearing load, using the basis power supply as connection external circuit.The utility model greatest feature is need not to install battery, meets economic real benefit, also avoids battery pollution and draws the puzzlement of N phase line distribution again.
Description
Technical field
The utility model is related to one kind and disconnected module, is espespecially disconnected using two-way dynamic full-bridge type, in the case of single live wire,
Disconnected in alternating current a cycle 2 times, and disconnect width can with bear load increase and decrease and adjust automatically compensate electric power, using as
The dynamic module of disconnecting of phase before single live wire of the basis power supply of connection external circuit.
Background technology
General electronic products mostly use direct current various as also can often be seen in working power, and daily life
Induction monitoring device is connected to switching switch, is then connected to display/alarming device or other electronic devices/systems.These electronics are produced
Product and the induction monitoring device using battery, need periodic replacement battery, otherwise can not easily be worked because losing electric power, be that its is main
Shortcoming.
Therefore there is multiple design and Patent Case to be disclosed using mains 50Hz or 60Hz mode of disconnecting before,
Immediate current can be obtained from alternating current in that conducting of certain section of time Kuai Su Brake of a specific period, it is rectified and be used as connection outer
The basis power supply of portion's circuit, but these existing structures mostly lack Synchronization Design function, are still deposited with working method in circuit of disconnecting
Have many shortcomings, by the utility model person propose a series of patent M382247 improved structure of tandem synchronous electricity intercepting device,
M471021 has the anti-flicker lamp illuminating system of inductive control switch, M470212 and its constant-current source used for function of disconnecting
Load, to be subject to effectively to overcome improvement, splendid application effect is obtained on disconnecting, makes series connection on power firestreak finally,
Can synchronize the cycle disconnects there is provided synchronous DC voltage stabilizings output, the basis power supply to be used as connection external circuit.
Substantially increase because global electric consumption on lighting accounts for total power consumption proportion at present, future will also persistently rise, therefore push away
Dynamic intelligent lighting and Internet of Things energy-saving management system, have been the primary developing direction of national governments, and in intelligent illuminating system
Intelligent switch is a considerable ring.
Especially, recent Internet of Things (Internet of Things) fore device is widely used, and need pass through radio communication
Technology series winding network, is applied in the connection of wired home information, including：Household safety-protection, gate control system, room conditioning and energy control
System or illumination lighting control system etc..These various applications are required for wireless communication module, and the supply requirement of its power supply is non-original special
Profit is met by using the half-wave mode of disconnecting, and the sensor combinations function of various kinds, for example：Temperature, humidity, air pressure, electric current
Table, voltmeter, Detection of Air Quality etc., if these sensor also all uses battery, certain time must just change battery,
Battery pollution problem is equally existed, not environmentally while also not meeting economic benefit.
Accordingly, the present inventor is to keep on improving further to be improved, and actively researches and develops mutually dynamic before a kind of single live wire cut
Electric module, with patent before overcoming in the problem of can not also meeting wireless communication module power supply now in design of disconnecting.
Utility model content
Main purpose of the present utility model is to provide before a kind of single live wire mutually dynamic module of disconnecting, and mainly includes：It is double simultaneously
Two synchronous tandems disconnect circuit, to connect electronic type switching switch, therein one synchronous tandem is disconnected circuit use
Disconnected with exchanging positive, and another synchronous tandem is disconnected, circuit is disconnected to exchange negative.
Each synchronous tandem disconnect circuit with power supply unit in the outer power supply unit of a synchronous rectification, a synchronous rectification,
One AC synchronous voltage control unit, FET drivings chase after the dynamic adjustment unit of zero control unit, a synchronized loading and an exchange is same
Step chases after zero and disconnected unit；And
The relay or TRIAC silicon control crystal that electronic type switching switch is controlled by MCU microprocessors are constituted.
Wherein, one side of the outer power supply unit of the synchronous rectification connects with power firestreak, and another side is exported provided with a DC voltage stabilizings
End；One side of power supply unit connects with power firestreak in the synchronous rectification, and another side has the first branch, to be connected to the synchronization
The dynamic adjustment unit of load and the AC synchronous voltage control unit, and in synchronous rectification power supply unit the second branch with even
It is connected to FET drivings and chases after zero control unit, the AC synchronous and chase after zero and disconnects unit and the dynamic adjustment unit of aforementioned synchronization load
Another side；One side that FET drivings chase after zero control unit connects with the second branch of power supply unit in aforementioned synchronization rectification, and even
Control the AC synchronous and chase after zero and disconnect unit, its another side connects with foregoing AC synchronous voltage control unit, is even controlled by it；And
The AC synchronous chases after zero unit of disconnecting and chases after the even control of zero control unit by foregoing FET drivings, and it has one to disconnect synchronized sampling end, with
Connection controls the dynamic adjustment unit of the synchronized loading and the AC synchronous voltage control unit, also, the AC synchronous chases after zero section
One side of electric unit is connected on live wire, and another side is then disconnected with another synchronous tandem, the AC synchronous of circuit chases after zero and disconnected
Unit is connected in parallel.
Wherein, the live wire is divided into an input and an output end from breaking, and a synchronous tandem is disconnected the friendship of circuit
Stream is synchronous, which to chase after zero unit of disconnecting, is connected on the input of live wire, and the disconnect AC synchronous of circuit of another synchronous tandem chases after zero
Unit of disconnecting is connected in the output end of live wire；Wherein, a synchronous tandem disconnect circuit synchronous rectification outside power list
Power supply unit is connected on the input of live wire in member and synchronous rectification, and another synchronous tandem is disconnected the synchronous rectification of circuit
Power supply unit is connected in the output end of live wire in outer power supply unit and synchronous rectification, and list of being powered outside two synchronous rectifications
The other end of member is connected in parallel to constitute foregoing DC output end of pressure-stabilizing.
Wherein, the alternating current is 50Hz or 60Hz 90V ~ 260V, and DC output end of pressure-stabilizing effectively provides at least DC 3.3V/
350mA。
Wherein, electronic type switching switch is additionally provided with a sensor, and the work of electronic type switching switch is controlled with sensing signal
It is dynamic.
Wherein, the electronic type switching switch be additionally provided with a wireless communication module, its be Blue tooth wireless blue tooth modules,
Zigbee wireless modules, Z-wave wireless modules, RF2.4G wireless modules, 433MHz wireless modules and Wi-Fi wireless network moulds
The one kind therein such as block.
Whereby, disconnected design method using two-way dynamic bridge-type, synchronizing speed is fast, interception electricity foot, ultrahigh in efficiency heat disappears
Consumption is low.In the case of single live wire, disconnected in alternating current a cycle 2 times, and width of disconnecting can be with the increase and decrease for bearing load
Adjust automatically compensates electric power, using the basis power supply as connection external circuit.The utility model greatest feature is can to provide power supply
At least DC 3.3V/ 350mA, are used with the communication module and sensor that meet Wi-Fi or other equal power consumptions, are not required to simultaneously
Battery is installed, meets economic real benefit, battery pollution is also avoided and draws the puzzlement of N phase line distribution again.
Brief description of the drawings
Fig. 1：Equivalent circuit block diagram of the present utility model；
Fig. 2A：The positive and negative two-way figure of disconnecting of bridge-type of the present utility model；
Fig. 2 B：The two-way oscillogram disconnected of bridge-type alternating current of the present utility model；
Fig. 3：Block diagram of the present utility model；
Fig. 4：Circuit diagram of the present utility model；
Fig. 5：Application illustration of the present utility model；
Fig. 6 A：Single live wire of the present utility model dynamically increases the oscillogram of power taking；
Fig. 6 B：Single live wire of the present utility model dynamically reduces the oscillogram of power taking；
Fig. 7 A：LED of the present utility model, which carries single live wire, dynamically increases the oscillogram of power taking；
Fig. 7 B：LED of the present utility model carries the oscillogram that single live wire dynamically reduces power taking.
Description of reference numerals
1 synchronous tandem is disconnected circuit
The outer power supply unit of 11 synchronous rectifications
Power supply unit in 12 synchronous rectifications
13 AC synchronous voltage control units
14 FET drivings chase after zero control unit
15 synchronized loadings dynamic adjustment unit
16 AC synchronous chase after zero and disconnected unit
2 electronic types switching switch
21 MCU microprocessors
22 TRIAC silicon control crystal
3 wireless communication modules
4 sensors.
Embodiment
For convenience of to the purpose of this utility model, circuit composition, application function feature and its effect, do and be further situated between
Continue and illustrate, now coordinate accompanying drawing for embodiment, describe in detail as follows：
Refer to shown in Fig. 1 ~ Fig. 4, the utility model provides phase before a kind of single live wire dynamic module of disconnecting, and mainly includes：
It is double and two synchronous tandems disconnect circuit 1, to connect electronic type switching switch 2, therein one synchronous tandem is disconnected
Circuit 1 is disconnected to exchange positive, and another synchronous tandem is disconnected, circuit 1 is disconnected to exchange negative.
The synchronous tandem disconnects circuit 1 with power supply unit in the outer power supply unit 11 of a synchronous rectification, a synchronous rectification
12nd, an AC synchronous voltage control unit 13, FET drivings chase after the dynamic adjustment unit 15 of zero control unit 14, a synchronized loading
And one AC synchronous chase after zero and disconnect unit 16.
One side of the outer power supply unit 11 of the synchronous rectification connects with power firestreak, and another side is provided with a DC output end of pressure-stabilizing；
One side of power supply unit 12 connects with power firestreak in the synchronous rectification, and another side has the first branch, to connect
To the dynamic adjustment unit 15 of the synchronized loading and the AC synchronous voltage control unit 13, and power supply unit 12 in synchronous rectification
The second branch chase after zero control unit 14, the AC synchronous and chase after zero to be connected to FET drivings and disconnect unit 16 and aforementioned synchronization
The another side of the dynamic adjustment unit 15 of load；
One side that FET drivings chase after zero control unit 14 connects with the branch of power supply unit in aforementioned synchronization rectification 12 second,
And even control the AC synchronous and chase after zero and disconnect unit 16, its another side connects with foregoing AC synchronous voltage control unit 13, by it
Even control；And
The AC synchronous chases after zero unit 16 of disconnecting and chases after the even control of zero control unit 14 by foregoing FET drivings, and it, which has, one disconnects
Synchronized sampling end, the dynamic adjustment unit 15 of the synchronized loading and the AC synchronous voltage control unit 13 are controlled to connect, also,
The AC synchronous chases after zero one side for disconnecting unit 16 and is connected on live wire, the circuit and another side is then disconnected with another synchronous tandem
1 AC synchronous chases after zero unit 16 of disconnecting and is connected in parallel.
As shown in figure 3, more specifically, the utility model is directly to be connected on power firestreak, to synchronize the cycle
Disconnect there is provided static low power consumption, load high-effect synchronous DC voltage stabilizings output, be used as the basis power supply of connection external circuit.
So the power firestreak is substantially from breaking, it is divided into an input and an output end, wherein, a synchronous tandem is disconnected electricity
The AC synchronous on road 1, which chases after zero unit 16 of disconnecting, to be connected on the input of live wire, the friendship of circuit 1 and another synchronous tandem is disconnected
Stream is synchronous, which to chase after zero unit 16 of disconnecting, is connected in the output end of live wire；Identical, wherein, a synchronous tandem is disconnected circuit
Power supply unit 12 is connected on the input of live wire in the outer power supply unit 11 of 1 synchronous rectification and synchronous rectification, and another synchronization
Tandem disconnect circuit 1 the outer power supply unit 11 of synchronous rectification and synchronous rectification in power supply unit 12 be then the output for being connected to live wire
On end, and the other end of the outer power supply unit 11 of two synchronous rectifications is connected in parallel to constitute foregoing DC output end of pressure-stabilizing.
The relay or TRIAC silicon controls crystal 22 that electronic type switching switch 2 is controlled by MCU microprocessors 21 are constituted.
It please join shown in Fig. 5, when the utility model is implemented, a channel radio can be further provided with electronic type switching switch 2
Believe module 3, it is Blue tooth wireless blue tooth modules, Zigbee wireless modules, Z-wave wireless modules, RF2.4G is wireless mould
The one kind therein such as block, 433MHz wireless modules and Wi-Fi wireless network modules.
In addition, during the utility model implementation, being also applicable on various sensors 4 and using, the sensor 4 can be PIR
Proximity switch sensor, smog monitor, carbon monoxide monitors, gas monitor device OR gate window intrusion sensor etc..Wherein,
According to sensor 4 transmit come sensing signal can control electronic type switching switch 2 action.
Whereby, in the case of single live wire, (16.6ms) can in alternating current 50Hz or 60Hz 90V ~ 260V a cycles
To disconnect 2 times, at least DC 3.3V/ 350mA are effectively provided as, to meet Wi-Fi or other equal power consumptions radio communication mold
Block 3 and sensor 4 are used, and without the need for battery is installed, meet economic real benefit, are also avoided battery pollution and are drawn N phase lines again
The puzzlement of distribution.
It please join shown in Fig. 3, Fig. 4, the dynamic compensation adjustment principle of single live wire synchronized loading of the present utility model is furtherly
It is bright as follows：
Under normal conditions during single live wire power getting, switched by live wire input by Q8 → R25 → R15 → Q4 → electronic type switching
2, complete single live wire and disconnect loop.When DC output end of pressure-stabilizing is powered, positive phase interception electric power (0 is provided by D7 → R5
Degree), minus phase interception electric power (180 degree) then is provided by D17 → R45, completed " bridge-type two-way is disconnected ".D4 is carried
For (0 degree) control loop of disconnecting power supply, D14 provides (180 degree) control loop of disconnecting power supply, and Q3 and Q7 effects are
Chase after zero synchronous, when single live wire ac signal zero passage crossover point, Q3 and Q7, which will start individually, chases after zero, control Q5 and Q9 drivings
Q4 and Q8 complete that (50Hz or 60Hz) is two-way to disconnect the cycle,
It please join shown in Fig. 3 and Fig. 6 A, when DC output end of pressure-stabilizing bears load increase, (0 degree) disconnects by R21
→ D6 → R7 → R8 → Q2 → R10 → R9 → Q5 → R6 → Q4 increases width of disconnecting, and increases compensation electric power in real time by D7 → R5.
(180 degree) disconnects simultaneously is cut by R31 → D16 → R17 → R18 → Q6 → R20 → R19 → Q9 → R16 → Q8 increases
Electric width, increases compensation electric power by D17 → R45 in real time；
It please join shown in Fig. 3 and Fig. 6 B, when DC output end of pressure-stabilizing, which bears load, to be reduced, Q4 and Q8 also can in real time be reduced and disconnected
Width, stable output of disconnecting reduces power consumption and improves efficiency.
It is identical, such as Fig. 7 A, Fig. 7 B, when being that the utility model is carried plus LED, its single live wire can equally provide dynamic increase
Power taking and reduction power taking, reach the utility function for automatically adjusting power supply.
Practical advantage of the present utility model includes：
The design method 1. the two-way dynamic bridge-type of use is disconnected, synchronizing speed is fast, interception electricity foot, ultrahigh in efficiency, heat loss
It is low.
The AC alternating current fire wires end 2. use diode is directly connected, 50Hz or 60Hz exchange feedback letters are sampled for transistor
Number synchronization chases after zero, and MosFET effect crystal of control power, intercept the operation power needed for lamp control switch in real time.Including supply：MCU
The sensors such as processor, radio communication module, relay, humiture and barometer.
3. using virtual zero potential design concept, live wire power getting of directly connecting, provider switch inner treater and radio are logical
Believe equipment power consumption, can feedback synchronization in real time, Instantaneous Situation supplements electric power, and stability of a circuit is at a relatively high.
4. fictitious zero potential circuit, is that, in alternating current fire wire power taking, circuit can lock zero-crossing of alternating current startup automatically
Disconnect, the DC potential at this moment intercepted just has with reference to being grounded, and is disconnected stably as long as chasing after zero, the same in the direct current output of live wire power getting
Very stable, along with synchronized loading dynamic regulating circuit, intercepted electricity of disconnecting can be according to MCU processors, radio communication
The total electricity that module, relay are consumed, walks compensation adjustment with portion in real time.
Make the structure of composition that equally there is exchange to disconnect the output of offer galvanic current source, it is not necessary to install additional transformer and
Battery, reduces maintenance cost, can reach the requirement of energy-conservation and reduction environmental pollution, can directly replace the power supply changeover device of costliness to supply
Electrical component, reduction produces the probability of EMI electromagnetic interferences, overlap joint inductive load still can steady operation etc., disconnected with preceding case patent
The various advantages of device are identical.
Wherein, the most special emphasis of the utility model is that operating efficiency can be lifted to zero two-way circuit of disconnecting is chased after using preceding
More than 50%, series connection lower-power lampses, which carry to disconnect, only needs 4 watts, commercially available illuminating lamp requirement can be complied fully with, different from special before
Sharp unidirectional series connection integration, which is disconnected, to be also needed to more than 10 watts of lamp load and can just work.
In addition, the utility model possesses dynamic electric voltage feedback voltage stabilizing function and dynamic electric flows back to control function, Wi- is especially suitable for
Fi communication module powering modes, because Wi-Fi module is in communications status, power consumption is more than more than 300mA, small in a sleep mode
In series lamp under 5mA situation, can be caused to carry flashing light phenomenon, and the utility model dynamic electric flows back to control function, just solves this
One problem.
Accordingly, when the utility model is used for changing conventional mechanical switch, when being changed to Wi-Fi thing networking switch, avoid the need for
One N phase line of polygamy obtains current supply circuit again, as long as and utilize original traditional-family's distribution simply convenient, you can directly upgrading
The demand of wired home automatically integrating Internet of Things, energy-conservation concept is brought directly among family or school and public building.
In summary, the utility model is novel in design practical, can reach the enhancement in effect really, and with being available for industry
Usability, complies fully with patent key element, the special application for proposing utility model patent in accordance with the law.
But preferred embodiment of the present utility model is the foregoing is only, it is of the present utility model special when that can not be limited with this
Sharp protection domain；Therefore, it is all according to the utility model claims and utility model specification content made it is simple equivalent
Change and modification, should all still fall within the range of the utility model patent covers.
Claims (7)
1. the dynamic module of disconnecting of phase before a kind of single live wire, it is characterised in that mainly include：It is double and two synchronous tandems disconnect
Circuit, to connect electronic type switching switch, a synchronous tandem therein circuit of disconnecting is disconnected to exchange positive, and another
Synchronous tandem circuit of disconnecting is disconnected to exchange negative, and each synchronous tandem disconnects circuit with being powered outside a synchronous rectification
Power supply unit, an AC synchronous voltage control unit, FET drivings chase after zero control unit, one synchronously in unit, a synchronous rectification
The dynamic adjustment unit of load and an AC synchronous chase after zero and disconnected unit；
Whereby, disconnected, in the case of single live wire, disconnected in alternating current a cycle 2 times using two-way dynamic full-bridge type, and cut
Electric width adjust automatically can compensate electric power with the increase and decrease for bearing load, using the basis power supply as connection external circuit.
2. the dynamic module of disconnecting of phase before list live wire as claimed in claim 1, it is characterised in that the outer power supply unit of the synchronous rectification
One side connect with power firestreak, another side be provided with a DC output end of pressure-stabilizing；One side of power supply unit and electricity in the synchronous rectification
Source live wire connects, and another side has the first branch, to be connected to the dynamic adjustment unit of the synchronized loading and the AC synchronous voltage
The second branch of power supply unit chases after zero control unit, the exchange to be connected to FET drivings in control unit, and synchronous rectification
Synchronously chase after zero another side for disconnecting unit and the dynamic adjustment unit of aforementioned synchronization load；FET drivings chase after the one of zero control unit
Side connects with the second branch of power supply unit in aforementioned synchronization rectification, and even controls the AC synchronous and chase after zero and disconnect unit, and its is another
Side connects with foregoing AC synchronous voltage control unit, is even controlled by it；And the AC synchronous chases after zero and disconnects unit by foregoing FET
Driving chases after the even control of zero control unit, and it has one to disconnect synchronized sampling end, and the dynamic adjustment unit of the synchronized loading is controlled to connect
And the AC synchronous voltage control unit, also, the AC synchronous chases after zero one side for disconnecting unit and is connected on live wire, and it is another
Then disconnected with another synchronous tandem AC synchronous of circuit of side chases after zero unit of disconnecting and is connected in parallel.
3. mutually dynamic is disconnected module before list live wire as claimed in claim 2, it is characterised in that the live wire is divided into one from breaking
Input and an output end, a synchronous tandem is disconnected, and to chase after zero unit of disconnecting be the input for being connected to live wire for the AC synchronous of circuit
On end, and another synchronous tandem is disconnected, the AC synchronous of circuit, which chases after zero unit of disconnecting, is connected in the output end of live wire；Its
In, a synchronous tandem disconnect circuit the outer power supply unit of synchronous rectification and synchronous rectification in power supply unit be connected to live wire
On input, and another synchronous tandem disconnect circuit the outer power supply unit of synchronous rectification and synchronous rectification in power supply unit be then
Be connected in the output end of live wire, and the outer power supply unit of two synchronous rectifications the other end be connected in parallel it is steady to constitute foregoing DC
Press output end.
4. mutually dynamic is disconnected module before list live wire as claimed in claim 3, it is characterised in that electronic type switching switch by
A relay or a TRIAC silicon controls crystal for MCU microprocessors control is constituted.
5. mutually dynamic is disconnected module before list live wire as claimed in claim 3, it is characterised in that the alternating current be 50Hz or
60Hz 90V ~ 260V, DC output end of pressure-stabilizing effectively provide at least DC 3.3V/ 350mA.
6. the dynamic module of disconnecting of phase before single live wire as described in claim 4 or 5, it is characterised in that electronic type switching switch
A sensor is additionally provided with, the start of electronic type switching switch is controlled with sensing signal.
7. the dynamic module of disconnecting of phase before single live wire as described in claim 4 or 5, it is characterised in that electronic type switching switch
A wireless communication module is additionally provided with, it is Blue tooth wireless blue tooth modules, Zigbee wireless modules, Z-wave is wireless mould
The one kind therein such as block, RF2.4G wireless modules, 433MHz wireless modules and Wi-Fi wireless network modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720127889.9U CN206452124U (en) | 2017-02-13 | 2017-02-13 | The dynamic module of disconnecting of phase before single live wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720127889.9U CN206452124U (en) | 2017-02-13 | 2017-02-13 | The dynamic module of disconnecting of phase before single live wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206452124U true CN206452124U (en) | 2017-08-29 |
Family
ID=59664844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720127889.9U Expired - Fee Related CN206452124U (en) | 2017-02-13 | 2017-02-13 | The dynamic module of disconnecting of phase before single live wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206452124U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111856341A (en) * | 2019-04-29 | 2020-10-30 | 帕西·西姆公司 | Electrical wiring device with wiring detection and correction |
-
2017
- 2017-02-13 CN CN201720127889.9U patent/CN206452124U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111856341A (en) * | 2019-04-29 | 2020-10-30 | 帕西·西姆公司 | Electrical wiring device with wiring detection and correction |
| CN111856341B (en) * | 2019-04-29 | 2024-02-27 | 帕西·西姆公司 | Electrical wiring device with wiring detection and correction |
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