CN206877084U - Intelligent single live wire switching load detects circuit - Google Patents
Intelligent single live wire switching load detects circuit Download PDFInfo
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- CN206877084U CN206877084U CN201720467658.2U CN201720467658U CN206877084U CN 206877084 U CN206877084 U CN 206877084U CN 201720467658 U CN201720467658 U CN 201720467658U CN 206877084 U CN206877084 U CN 206877084U
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Abstract
The utility model discloses a kind of intelligent single live wire switching load to detect circuit, including bleeder circuit, voltage comparator circuit, main control chip JN5168, power-supply circuit and relay, the power-supply circuit connects relay, the power-supply circuit connects bleeder circuit, when for load detecting to load, button is pressed simultaneously, relay just works;The bleeder circuit is connected with voltage comparator circuit；The voltage comparator circuit is connected with main control chip JN5168, and for the signal after output loading detection load, the utility model circuit is simple, easy to connect, it is not necessary to manual operation, realizes intelligent load detecting.
Description
Technical field
It the utility model is related to load detecting circuit, and in particular to single live wire intelligent switch load detecting circuit.
Background technology
With the fast development of smart home, single live wire intelligent switch has been referred to as the upgrading of tradition machinery switch on wall
Product, realize the intelligent control of light fixture and electric switch.Also, domestic and international average family is mostly single live wire wiring, is being risen
Level often requires that intelligent switch can directly substitute old mechanical switch on wall when realizing intellectualized reconstruction, without cloth again during replacing
Line.Therefore, intelligent single live wire switch is used widely.
For intelligent single live wire switch, it is necessary to power taking, but power-supply circuit institute could be carried out under the premise of loaded
The power limited that can be provided;Comparatively, load more, it is bigger that power taking can be provided power, when multi-circuit switch gear road is empty
During load, the maloperation road button and make the actuating of relay, Overall Power Consumption can be caused too high, cause circuit can not normal work show
As for this phenomenon, increasing load detecting circuit, by software processing, only being pushed button in the case where detecting load
Relay is just acted, otherwise keys deactivation, and relay is failure to actuate, and reduces the normal work of consumption power assurance circuit.
The content of the invention
The purpose of this utility model is to provide a kind of intelligent single live wire switch multichannel loading detection circuit solve intelligence
The problem of maloperation road button causes circuit can not just produce work when single live wire switchs unloaded.
To solve above-mentioned technical problem, the utility model uses following technical scheme, and a kind of intelligent single live wire is intelligently opened
Load detecting circuit, including bleeder circuit, voltage comparator circuit, main control chip JN5168, power-supply circuit and relay are closed, it is described
Power-supply circuit connects relay, and the power-supply circuit connects bleeder circuit, when for load detecting to load, button is pressed simultaneously,
Relay just works;The bleeder circuit is connected with voltage comparator circuit；The voltage comparator circuit and main control chip JN5168
Connection, for the signal after output loading detection load.
Further technical scheme is, the main control chip of the power-supply circuit is XD-KC024 chips, the XD-
13 pin, 7 pin, 1 pin of KC024 chips are L1 ends, L2 ends, L3 ends, and L1 ends, L2 ends, the L3 ends of the XD-KC024 chips connect
Bleeder circuit, 17 pin, 11 pin, 5 pin of the XD-KC024 chips are K1- ends, K2- ends, K3- ends, the K1- ends of the chip,
K2- ends, K3- ends connection relay.
Further technical scheme is that the bleeder circuit includes bleeder circuit 1, bleeder circuit 2, bleeder circuit 3, institute
Stating branch pressure voltage circuit 1 includes diode D1, branch road 3, branch road 4；The diode D1 negative poles connection branch road 3 and branch road 4, it is described
Branch road 3 includes resistance R7, electric capacity C1, the positive pole of the resistance R7 series capacitances C1, electric capacity C1 negative pole ground connection；The branch road 4
Including resistance R1, resistance R4, resistance R10, the resistance R1 series resistance R4, resistance R4 series resistance R10, resistance R10's is another
One end is grounded；The branch road 3 is in parallel with branch road 4；The diode D1 positive poles of the bleeder circuit are the inductance L1 ends of bleeder circuit；
The branch point of the resistance R4 series resistances R10 is the ADC1 ends of bleeder circuit.
Further technical scheme is that the bleeder circuit 2 includes diode D2, branch road 1, branch road 2；The diode
D2 negative poles connect branch road 1 and branch road 2, and the branch road 1 includes resistance R8, electric capacity C2, the positive pole of the resistance R8 series capacitances C2,
Electric capacity C2 negative pole ground connection；The branch road 2 includes resistance R2, resistance R5, resistance R11, the resistance R2 series resistance R5, resistance
R5 series resistance R11, resistance R11 other end ground connection；The branch road 1 is in parallel with branch road 2；The diode D2 of the bleeder circuit
Positive pole is the L2 ends of bleeder circuit；The branch point of the resistance R5 series resistances R11 is the ADC2 ends of bleeder circuit.
Further technical scheme is that the bleeder circuit 3 includes diode D3, branch road 5, branch road 6；The diode
D3 negative poles connect branch road 5 and branch road 6, and the branch road 5 includes resistance R9, electric capacity C3, the positive pole of the resistance R9 series capacitances C3,
Electric capacity C3 negative pole ground connection；The branch road 6 includes resistance R3, resistance R6, resistance R12, the resistance R3 series resistance R6, resistance
R6 series resistance R12, resistance R12 other end ground connection；The branch road 5 is in parallel with branch road 6；The diode D3 of the bleeder circuit
Positive pole is the L3 ends of bleeder circuit；The branch point of the resistance R6 series resistances R12 is the ADC3 ends of bleeder circuit.
Further technical scheme is the L1 ends of the XD-KC024 chips, L2 ends, the L1 of L3 ends connection bleeder circuit
End, L2 ends, L3 ends, the ADC1 ends of the bleeder circuit, ADC2 ends, ADC3 ends connection voltage comparator circuit, the voltage ratio compared with
OUT1, OUT2, OUT3 connection main control chip JN5168 of circuit.
Further technical scheme is that the voltage comparator circuit includes main control chip TLV3494AID-A chips, electricity
R17 is hindered, resistance R18,3 pin of the main control chip TLV3494AID-A chips are the ADC1 ends of voltage comparator circuit, described
The pin ADC2 of TLV349AID-A chips 5, the pin of TLV349AID-A chips 10 is ADC3, the main control chip TLV349AID-A
4 pin connect power Vcc and resistance R17, the resistance R17 series resistance R18, resistance R18 other end ground connection；It is described
The 2 pin connection resistance R18 of TLV349AID-A chips one end, resistance R18 other end ground connection；The TLV349AID-A chips
The 2nd pin, 6 pin, the branch points connected with R18 of 9 pin connection R17,1 pin of the TLV349AID-A chips, 8 pin, 10 pin are
OUT1 ends, OUT2 ends, OUT3 ends.
Further technical scheme is, the main control chip of the power-supply circuit is XD-KC024 chips, the XD-
L1 ends, L2 ends, L1 ends, L2 ends, the L3 ends of L3 ends connection bleeder circuit of KC024 chips, the connection of the XD-KC024 chips
Relay, the actuating of relay is pushed button in the case of detecting load.
The utility model can also complete radio communication function, and the main control chip JN5168 passes through bleeder circuit, voltage
The signal of load detecting is inputed to main control chip JN5168 by comparison circuit, and main control chip performs the order of load detecting, main
Chip scanning button is controlled, completes the order of button output.
Compared with prior art, the beneficial effects of the utility model are at least one of following effect：
1) the L1 ends of the XD-KC024 chips, L2 ends, L1 ends, L2 ends, the L3 ends of L3 ends connection bleeder circuit, described point
The ADC1 ends of volt circuit, ADC2 ends, ADC3 ends connection voltage comparator circuit, OUT1, OUT2, OUT3 of the voltage comparator circuit
Main control chip JN5168 is connected, because main control chip JN5168 belongs to wireless Zigbee chips, therefore controlled in wireless can be realized,
Without manual operation, order directly can be transferred to Zigbee main control chips, complete corresponding operation；
2) the intelligent switch list live wire switching load detection circuit, the main control chip of the power-supply circuit is XD-KC024
Chip, the L1 ends of the XD-KC024 chips, L2 ends, L3 ends connection bleeder circuit, the XD-KC024 chips connect relay,
Relay is pushed button in the case of detecting load just to act, and due to increasing load detecting circuit, is only detecting load
In the case of push button relay and just act, otherwise keys deactivation, relay are failure to actuate, and reduce consumption power assurance circuit
Normal work.
Brief description of the drawings
Fig. 1 is that the utility model intelligent single live wire switching load detects circuit.
Fig. 2 is the power-supply circuit that the utility model intelligent single live wire switching load detects circuit.
Fig. 3 is the bleeder circuit that the utility model intelligent single live wire switching load detects circuit.
Fig. 4 is the comparison circuit that the utility model intelligent single live wire switching load detects circuit.
Fig. 5 is the main control chip JN5168 that the utility model intelligent single live wire switching load detects circuit.
Fig. 6 is the relay that the utility model intelligent single live wire switching load detects circuit.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
Case study on implementation 1
Fig. 1 to Fig. 6 shows that the utility model intelligent single live wire switching load detects circuit, intelligent single live wire intelligent switch
Load detecting circuit includes bleeder circuit, voltage comparator circuit, main control chip JN5168, power-supply circuit and relay, described to take
Circuit connects relay, and the power-supply circuit connects bleeder circuit, when for load detecting to load, button is pressed simultaneously, after
Electrical equipment just works;The bleeder circuit is connected with voltage comparator circuit；The voltage comparator circuit connects with main control chip JN5168
Connect, for the signal after output loading detection load.
The main control chip of power-supply circuit is XD-KC024 chips, and 13 pin, 7 pin, 1 pin of the XD-KC024 chips are L1
End, L2 ends, L3 ends, the L1 ends of the XD-KC024 chips, L2 ends, L3 ends connection bleeder circuit, the XD-KC024 chips
17 pin, 11 pin, 5 pin are K1- ends, K2- ends, K3- ends, and K1- ends, K2- ends, the K3- ends of the chip connect relay.
Bleeder circuit include bleeder circuit 1, bleeder circuit 2, bleeder circuit 3, the bleeder circuit 1 include diode D1,
Branch road 3, branch road 4；Diode D1 negative poles connection branch road 3 and branch road 4, the branch road 3 includes resistance R7, electric capacity C1, described
Resistance R7 series capacitances C1 positive pole, electric capacity C1 negative pole ground connection；The branch road 4 includes resistance R1, resistance R4, resistance R10, institute
State resistance R1 series resistance R4, resistance R4 series resistance R10, resistance R10 other end ground connection；The branch road 3 and branch road 4 are simultaneously
Connection；The diode D1 positive poles of the bleeder circuit are the L1 ends of bleeder circuit；The branch point of the resistance R4 series resistances R10 is
The ADC1 ends of bleeder circuit.
Bleeder circuit 2 includes diode D2, resistance R2 branch roads, resistance R8 branch roads；The diode D2 negative poles connect branch road 1
With branch road 2, the branch road 1 includes resistance R8, electric capacity C2, the positive pole of the resistance R8 series capacitances C2, and electric capacity C2 negative pole connects
Ground；The branch road 2 includes resistance R2, resistance R5, resistance R11, the resistance R2 series resistance R5, resistance R5 series resistance R11,
Resistance R11 other end ground connection；The branch road 1 is in parallel with branch road 2；The diode D2 positive poles of the bleeder circuit are bleeder circuits
L2 ends；The branch point of the resistance R5 series resistances R11 is the ADC2 ends of bleeder circuit.
The bleeder circuit 3 includes diode D3, branch road 5, branch road 6；The diode D3 negative poles connection branch road 5 and branch road
6, the branch road 5 includes resistance R9, electric capacity C3, the positive pole of the resistance R9 series capacitances C3, electric capacity C3 negative pole ground connection；It is described
Branch road 6 includes resistance R3, resistance R6, resistance R12, the resistance R3 series resistance R6, resistance R6 series resistance R12, resistance R12
The other end ground connection；The branch road 5 is in parallel with branch road 6；The diode D3 positive poles of the bleeder circuit are the L3 ends of bleeder circuit；
The branch point of the resistance R6 series resistances R12 is the ADC3 ends of bleeder circuit.
L1 ends, L2 ends, L1 ends, L2 ends, the L3 ends of L3 ends connection bleeder circuit of the XD-KC024 chips, the partial pressure
The ADC1 ends of circuit, ADC2 ends, ADC3 ends connection voltage comparator circuit, OUT1, OUT2, OUT3 of the voltage comparator circuit connect
Meet main control chip JN5168.
The present embodiment adds main control chip JN5168, it is possible to achieve load detecting is automatically performed, and load signal passes through
Connect bleeder circuit, bleeder circuit connection voltage comparator circuit, voltage comparator circuit connection main control chip, by the letter of load detecting
Breath passes to main control chip.
Embodiment 2
Fig. 1 to Fig. 6 shows that the utility model intelligent single live wire switching load detects circuit, intelligent single live wire intelligent switch
Load detecting circuit includes bleeder circuit, voltage comparator circuit, main control chip JN5168, power-supply circuit and relay, described to take
Circuit connects relay, and the power-supply circuit connects bleeder circuit, when for load detecting to load, button is pressed simultaneously, after
Electrical equipment just works;The bleeder circuit is connected with voltage comparator circuit；The voltage comparator circuit connects with main control chip JN5168
Connect, for the signal after output loading detection load.
The main control chip of power-supply circuit is XD-KC024 chips, and 13 pin, 7 pin, 1 pin of the XD-KC024 chips are L1
End, L2 ends, L3 ends, the L1 ends of the XD-KC024 chips, L2 ends, L3 ends connection bleeder circuit, the XD-KC024 chips
17 pin, 11 pin, 5 pin are K1- ends, K2- ends, K3- ends, and K1- ends, K2- ends, the K3- ends of the chip connect relay.
Bleeder circuit include bleeder circuit 1, bleeder circuit 2, bleeder circuit 3, the bleeder circuit 1 include diode D1,
Branch road 3, branch road 4；Diode D1 negative poles connection branch road 3 and branch road 4, the branch road 3 includes resistance R7, electric capacity C1, described
Resistance R7 series capacitances C1 positive pole, electric capacity C1 negative pole ground connection；The branch road 4 includes resistance R1, resistance R4, resistance R10, institute
State resistance R1 series resistance R4, resistance R4 series resistance R10, resistance R10 other end ground connection；The branch road 3 and branch road 4 are simultaneously
Connection；The diode D1 positive poles of the bleeder circuit are the L1 ends of bleeder circuit；The branch point of the resistance R4 series resistances R10 is
The ADC1 ends of bleeder circuit.
Bleeder circuit 2 includes diode D2, resistance R2 branch roads, resistance R8 branch roads；The diode D2 negative poles connect branch road 1
With branch road 2, the branch road 1 includes resistance R8, electric capacity C2, the positive pole of the resistance R8 series capacitances C2, and electric capacity C2 negative pole connects
Ground；The branch road 2 includes resistance R2, resistance R5, resistance R11, the resistance R2 series resistance R5, resistance R5 series resistance R11,
Resistance R11 other end ground connection；The branch road 1 is in parallel with branch road 2；The diode D2 positive poles of the bleeder circuit are bleeder circuits
L2 ends；The branch point of the resistance R5 series resistances R11 is the ADC2 ends of bleeder circuit.
The bleeder circuit 3 includes diode D3, branch road 5, branch road 6；The diode D3 negative poles connection branch road 5 and branch road
6, the branch road 5 includes resistance R9, electric capacity C3, the positive pole of the resistance R9 series capacitances C3, electric capacity C3 negative pole ground connection；It is described
Branch road 6 includes resistance R3, resistance R6, resistance R12, the resistance R3 series resistance R6, resistance R6 series resistance R12, resistance R12
The other end ground connection；The branch road 5 is in parallel with branch road 6；The diode D3 positive poles of the bleeder circuit are the L3 ends of bleeder circuit；
The branch point of the resistance R6 series resistances R12 is the ADC3 ends of bleeder circuit.
L1 ends, L2 ends, L1 ends, L2 ends, the L3 ends of L3 ends connection bleeder circuit of XD-KC024 chips, the bleeder circuit
ADC1 ends, ADC2 ends, ADC3 ends connection voltage comparator circuit, the voltage comparator circuit OUT1, OUT2, OUT3 connection master
Control chip JN5168.
Voltage comparator circuit includes main control chip TLV3494AID-A chips, resistance R17, resistance R18, the main control chip
3 pin of TLV3494AID-A chips are the ADC1 ends of voltage comparator circuit, the TLV349AID-A chips 5 pin ADC2, described
The pin of TLV349AID-A chips 10 is ADC3, and 4 pin of the main control chip TLV349AID-A meet power Vcc and R17, the R17
Connect R18, R18 other end ground connection；The 2 pin connection resistance R18 of TLV349AID-A chips one end, resistance R18's is another
One end is grounded；2nd pin of the TLV349AID-A chips, 6 pin, the branch point that 9 pin connection resistance R17 connects with resistance R18,
1 pin of the TLV349AID-A chips, 8 pin, 10 pin are OUT1 ends, OUT2 ends, OUT3 ends.
The main control chip of power-supply circuit is XD-KC024 chips, the L1 ends of the XD-KC024 chips, L2 ends, the connection of L3 ends
L1 ends, L2 ends, the L3 ends of bleeder circuit, the connection relay of the XD-KC024 chips, pressed in the case of detecting load
The button actuating of relay.
The present embodiment, realize the intelligent control of single live wire intelligent switch, Zigbee wireless communication modules, it is possible to achieve
Remote control command completes the break-make Electricity Functional of branch road, and along with the power on/off of local keys of key controlling brancher, equipment all can be to
Main frame, which is sent, works as status data, and the data reflect the current break-make electricity condition of each branch road；Long-press networking button 3s can simultaneously
Complete equipment to network, long-press 8s can complete equipment logout after networking, and intelligentized control method can be achieved, and reduce mechanical switch short life
Shortcoming.
The work of whole system, system ask for data to load detecting circuit first, drive relay to hold if having signal
Row closure, disconnection action, if just carrying out the state of dormancy without data.
Internal system can perform interruption, start to scan button, if key press time was carried out in the actuating of relay less than 3 seconds
Telegraph relay is closure or disconnection；Enter network system if key press time is 3 seconds；If key press time is 8 seconds as long-press
Then log off, enter resting state if not being more.
Although reference be made herein to the utility model is described multiple explanatory embodiments of the present utility model, still,
It should be understood that those skilled in the art can be designed that a lot of other modifications and embodiment, these modifications and embodiment
It will fall within spirit disclosed in the present application and spirit.More specifically, in disclosure, drawings and claims
In the range of, a variety of variations and modifications can be carried out to the building block and/or layout of theme combination layout.Except to building block
And/or outside the modification and improvement of layout progress, to those skilled in the art, other purposes also will be apparent.
Claims (8)
1. a kind of intelligent single live wire switching load detects circuit, it is characterised in that：Intelligent single live wire switching load detects circuit bag
Bleeder circuit, voltage comparator circuit, main control chip JN5168, power-supply circuit and relay are included, the power-supply circuit connects relay
Device, the power-supply circuit connect bleeder circuit, and when for load detecting to load, button is pressed simultaneously, relay just works;Institute
Bleeder circuit is stated to be connected with voltage comparator circuit；The voltage comparator circuit is connected with main control chip JN5168, negative for exporting
Carry the signal after detection load.
2. intelligent single live wire switching load according to claim 1 detects circuit, it is characterised in that：The power-supply circuit
Main control chip is XD-KC024 chips, and 13 pin, 7 pin, 1 pin of the XD-KC024 chips are L1 ends, L2 ends, L3 ends, the XD-
The L1 ends of KC024 chips, L2 ends, L3 ends connection bleeder circuit, 17 pin, 11 pin, 5 pin of the XD-KC024 chips be K1- ends,
K2- ends, K3- ends, the K1- ends of the chip, K2- ends, K3- ends connection relay.
3. intelligent single live wire switching load according to claim 2 detects circuit, it is characterised in that：The bleeder circuit bag
Bleeder circuit 1, bleeder circuit 2, bleeder circuit 3 are included, the bleeder circuit 1 includes diode D1, branch road 3, branch road 4；Described two
Pole pipe D1 negative poles, which connect 3 branch roads and branch road 4, the branch road 3, includes resistance R7, electric capacity C1, the resistance R7 series capacitances C1's
Positive pole, electric capacity C1 negative pole ground connection；The branch road 4 includes R1, R4, R10, the resistance R1 series resistance R4, resistance R4 series connection
Resistance R10, resistance R10 other end ground connection；The branch road 3 is in parallel with resistance branch 4；The diode D1 of the bleeder circuit is just
Pole is the inductance L1 ends of bleeder circuit；The branch point of the resistance R4 series resistances R10 is the ADC1 ends of bleeder circuit.
4. intelligent single live wire switching load according to claim 3 detects circuit, it is characterised in that：The bleeder circuit 2
Including diode D2, branch road 1, branch road 2；The diode D2 negative poles connection branch road 1 and branch road 2, the branch road 1 include resistance
R8, electric capacity C2, the positive pole of the resistance R8 series capacitances C2, electric capacity C2 negative pole ground connection；The branch road 2 includes resistance R2, electricity
Hinder R5, resistance R11, the resistance R2 series resistance R5, resistance R5 series resistance R11, resistance R11 other end ground connection；It is described
Branch road 1 is in parallel with branch road 2；The diode D2 positive poles of the bleeder circuit are the inductance L2 ends of bleeder circuit；The resistance R5 strings
Connection resistance R11 branch point is the ADC2 ends of bleeder circuit.
5. intelligent single live wire switching load according to claim 4 detects circuit, it is characterised in that：The bleeder circuit 3
Including diode D3, branch road 5, branch road 6；The diode D3 negative poles connection branch road 5 and branch road 6, the branch road 5 include resistance
R9, electric capacity C3, the positive pole of the resistance R9 series capacitances C3, electric capacity C3 negative pole ground connection；The branch road 6 includes resistance R3, electricity
Hinder R6, resistance R12, the resistance R3 series resistance R6, resistance R6 series resistance R12, resistance R12 other end ground connection；It is described
Branch road 5 is in parallel with branch road 6；The diode D3 positive poles of the bleeder circuit are the inductance L3 ends of bleeder circuit；The resistance R6 strings
Connection resistance R12 branch point is the ADC3 ends of bleeder circuit.
6. intelligent single live wire switching load detection circuit according to claim 2, it is characterised in that：The XD-KC024 chips
L1 ends, L2 ends, L3 ends connection bleeder circuit L1 ends, L2 ends, L3 ends, the ADC1 ends of the bleeder circuit, ADC2 ends, ADC3
End connection voltage comparator circuit, OUT1, OUT2, OUT3 connection main control chip JN5168 of the voltage comparator circuit.
7. intelligent single live wire switching load according to claim 1 detects circuit, it is characterised in that：The voltage ratio is more electric
Road includes main control chip TLV3494AID-A chips, resistance R17, resistance R18, the main control chip TLV3494AID-A chips
3 pin are the ADC1 ends of voltage comparator circuit, the pin ADC2 of TLV349AID-A chips 5, the pin of TLV349AID-A chips 10
It is ADC3,4 pin of the main control chip TLV349AID-A connect power Vcc and R17, the R17 series connection R18, the R18 other end
Ground connection；The 2 pin connection R18 of TLV349AID-A chips one end, R18 other end ground connection；The TLV349AID-A cores
2nd pin of piece, 6 pin, the branch point that 9 pin connection resistance R17 connects with resistance R18,1 pin of the TLV349AID-A chips, 8
Pin, 10 pin are OUT1 ends, OUT2 ends, OUT3 ends.
8. intelligent single live wire switching load detection circuit according to claim 2, it is characterised in that：The master of the power-supply circuit
It is XD-KC024 chips to control chip, the L1 ends of the XD-KC024 chips, L2 ends, the L1 ends of L3 ends connection bleeder circuit, L2 ends,
L3 ends, the connection relay of the XD-KC024 chips, the actuating of relay is pushed button in the case of detecting load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720467658.2U CN206877084U (en) | 2017-04-28 | 2017-04-28 | Intelligent single live wire switching load detects circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720467658.2U CN206877084U (en) | 2017-04-28 | 2017-04-28 | Intelligent single live wire switching load detects circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206877084U true CN206877084U (en) | 2018-01-12 |
Family
ID=61344431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720467658.2U Active CN206877084U (en) | 2017-04-28 | 2017-04-28 | Intelligent single live wire switching load detects circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206877084U (en) |
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2017
- 2017-04-28 CN CN201720467658.2U patent/CN206877084U/en active Active
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Address after: 200000 C building, No. two, 888 West Road, Nanhui new town, Pudong New Area, Shanghai, China Patentee after: Super wisdom (Shanghai) Internet of things Technology Co., Ltd Address before: Room 315, No. 2 Building, No. 589 Quwu Road, Minhang District, Shanghai 200000 Patentee before: SHANGHAI UIOT TECHNOLOGY Co.,Ltd. |