CN102610970B - Intelligent safe socket and control method thereof - Google Patents
Intelligent safe socket and control method thereof Download PDFInfo
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- CN102610970B CN102610970B CN201210108841.5A CN201210108841A CN102610970B CN 102610970 B CN102610970 B CN 102610970B CN 201210108841 A CN201210108841 A CN 201210108841A CN 102610970 B CN102610970 B CN 102610970B
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Abstract
The embodiment of the invention discloses an intelligent safe socket, comprising a main control socket, a controlled socket, a control power supply, a current sampling unit, a voltage sampling unit, a power measurement processing unit, a central control unit, a relay power supply and a switch control unit; the current sampling unit is connected with a zero line and the main control socket respectively; the voltage sampling unit is connected with a live wire; the current sampling unit and the voltage sampling unit are respectively connected with the power measurement processing unit; the central control unit is connected with the power measurement processing unit; the switch control unit is connected with the central control unit; and the controlled socket is connected with the switch control unit. The intelligent safe socket and the control method thereof, disclosed by the invention, can effectively save electric energy, prolongs the service life of an electric device and improves the usage safety of the electric device.
Description
Technical field
The present invention relates to a kind of safety device for socket, particularly relate to a kind of Intelligent safety socket and control method thereof.
Background technology
The power consumption equipment of current extensive use and family and office space generally all will be connected on power supply through socket device, does not really cut off the electricity supply, be just in holding state, still can consume many electric energy after a lot of electrical equipment shutdown.
For one family, but insert the holding state of plug at closing switch under, the standby energy consumption power of conventional household electrical appliances is respectively: 3.47 watts, air-conditioning, washing machine 2.46 watts, 4.09 watts, refrigerator, microwave oven 2.78 watts, smoke exhaust ventilator 6.06 watts, electric cooker 19.82 watts, colour TV 8.07 watts, video tape recorder 28 watts, DVD player 13.37 watts, 10.97 watts, VCD machine, sound equipment power amplifier 12.35 watts, charger for mobile phone 1.34 watts, display 7.69 watts, 35.07 watts, PC main frame, facsimile machine 5.71 watts, printer 9.08 watts.These power consumptions are added up, is equivalent to idle time, these household electrical appliances one day will power consumption 4 degree.As can be seen here, reducing the stand-by power consumption of electrical equipment, has been an economize on electricity factor of can not ignore.
In addition, the standby for a long time of power consumption equipment also can produce following safety problem:
1. be struck by lightning: once lightning ingress low voltage electric network, treated that machine electric appliance is just badly damaged because of Lightning Over-voltage;
2. unexpected over-voltage breakdown burns electrical equipment: when supply voltage because of fault, because of connection error, raise suddenly (occurring overvoltage) because of reasons such as operating mistakes time, " standby " electrical equipment will be directly breakdown, even burns initiation fire;
3. produce weak electromagnetic field and cause radiation injury: such as television set is in " standby " state, when particularly only shutting down with remote controller, some circuit is still working on, and can produce fainter electromagnetic field, and the time has been grown, and also can produce radiation accumulation;
4. appliances power source does not cut off, then electrical equipment inside is charged for a long time, makes electronic apparatus be in fatigue for a long time, reduction of service life, even reduces the class of insulation.
For solving above-mentioned power consumption and safety problem, existing people have devised a kind of smart jack, as a kind of smart jack that No. 201010583103.7 patents of invention are announced, when main control socket institute circuit closer current flow is lower than when being stored in memory cell running current, can automatically cut off the power supply that be connected on controlled soket, but the having the following disadvantages of this socket:
1. sensitivity is not high, only detects the current value of main control socket electrical appliance, when voltage ripple of power network is larger, has influence on the calculating of performance number, cause erroneous judgement.
2. do not distinguish active power and reactive power during detection power.
3. main control socket electrical appliance poor universality.
Summary of the invention
For the problems referred to above of prior art, the invention provides good, the highly sensitive Intelligent safety socket of a kind of fail safe and control method thereof, for detecting main control socket electrical appliance electric current and voltage simultaneously, detect main control socket electrical appliance effective power, when electrical appliance current power on main control socket is lower than its normal operating power certain value, automatic cut-out controlled soket power supply, reaches the effect of saves energy and Electrical Safety.
The concrete technical scheme of the embodiment of the present invention is as follows:
A kind of Intelligent safety socket, comprising: main control socket, controlled soket, control power supply, current sampling unit, voltage sampling unit, power measurement processing unit, central control unit and relay power and switch control unit; It is characterized in that: described current sampling unit is connected with zero line and main control socket respectively; Described voltage sampling unit is connected with live wire; Current sampling unit and voltage sampling unit are connected with power measurement processing unit respectively; Described central control unit is connected with power measurement processing unit; Described switch control unit is connected with central control unit; Described controlled soket is connected with switch control unit; Described current sampling unit, for realizing the sampling to main control socket electric current, is made up of a resistance alloys and a low pass filter; Described resistance alloys one end is connected with zero line, the other end is connected with the low pass filter of main control socket and current sampling unit, the low pass filter of described current sampling unit comprises resistance and the electric capacity of one group of series connection, and is connected with power measurement processing unit with the output line in the middle of electric capacity by being connected to resistance; Described voltage sampling unit is made up of a sample resistance and a low pass filter, described sample resistance is made up of the resistance of three series connection, its one end is connected with live wire, the other end is connected with main control socket, for realizing the sampling to main control socket voltage, sample resistance M signal output line is connected with the low pass filter of voltage sampling unit, and the low pass filter of described voltage sampling unit is connected with power measurement processing unit, and by a capacity earth.
Further, described power measurement processing unit adopts professional power measurement chip, the voltage signal of current sampling unit and voltage sampling unit gained obtains the rectangular pulse signal that a class frequency is directly proportional to power, for realizing the metering of high-precision active power through power measurement processing unit.
Further, described relay power is independently arranged on Intelligent safety socket, is connected with switch control unit, and for reducing the stand-by power consumption of Intelligent safety socket.
Further, described switch control unit comprises a bidirectional triode thyristor, the G pole of described bidirectional triode thyristor is connected with central control unit, T1 is ground connection extremely directly, T2 pole is held with rectifier bridge AC and is connected, after electric capacity is in series with a resistor and controllable silicon T1 and T2 hold and be in parallel, described cathode rectifier end is connected with an inductance, described inductance is connected with a relay coil end, the other end of described relay coil is connected with the negative pole end of rectifier bridge, one Capacitance parallel connection is in described relay coil two ends, be connected with phase line with one end of often driving auxiliary contact that relay coil coordinates, the other end is connected with controlled soket.
As preferably, described central control unit is also connected with and arranges button, status indicator lamp and power checking circuit.
As preferably, the described button that arranges, for switching the state of Intelligent safety socket, is divided into the pattern of setting and mode of operation; Described pattern is set under can arrange controlled soket start and close performance number.
The embodiment of the invention also discloses a kind of control method of Intelligent safety socket, comprise following process:
1, access mains supply and at main control socket access host, access peripheral electrical appliance at controlled soket;
2, on main control socket, main frame enters holding state;
3, long by arranging button, enter the pattern of setting, status indicator lamp glimmers, current sampling unit and voltage sampling unit current detection to host work electric current and operating voltage signal be sent to power measurement processing unit, after power measurement processing unit computing conversion, obtain one group represent the rectangular pulse signal of performance number and be sent to central control unit, central control unit reads this pulse signal and is undertaken calculating starting power and cutting out power two performance numbers by power calculation mode according to claim 9, automatically the pattern of setting is exited after being kept at memory cell, proceed to mode of operation,
4, current sampling unit and voltage sampling unit detect host work electric current and operating voltage in real time, after power measurement processing unit calculation process, obtain one group of rectangular pulse signal representing performance number send central control unit to, central control unit is in real time by the starting power in this performance number and memory cell with cut out power and compare analysis, if the starting power value in main engine power value >=memory cell, then central control unit just sends turn-on command, control controlled soket conducting energising by switch control unit, status indicator lamp is lighted; If the closedown performance number in main engine power value≤memory cell, then central control unit just sends cut out and refers to, controlled soket continues to close power-off, and status indicator lamp continues to extinguish; If the main engine power value starting power value be less than in memory cell is greater than again the closedown performance number in memory cell, then central control unit sends the instruction keeping current state constant;
5, after controlled soket energising conducting, current sampling unit and voltage sampling unit continue to detect host work electric current and operating voltage in real time, after power measurement processing unit calculation process, obtain one group of rectangular pulse signal representing performance number send central control unit to, central control unit continue in real time by the starting power in this performance number and memory cell with close power and compare analysis, if the closedown performance number in main engine power value≤memory cell, then central control unit just sends out code, control controlled soket by switch control unit and close power-off, status indicator lamp cuts out, if the starting power value in main engine power value >=memory cell, then central control unit just sends enabled instruction, and controlled soket continues conducting energising, and status indicator lamp continues to light, if the main engine power value starting power value be less than in memory cell is greater than again the closedown performance number in memory cell, then central control unit sends the instruction keeping current state constant,
If the connection of controlled soket and phase line is cut off in 6 steps 4, then returns and perform step 4;
If 7 change the main frame be connected on main control socket, then return and perform step 2.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages:
Smart jack of the present invention is provided with main control socket and controlled soket, normally work when electrical appliance that main control socket connects or shut down, time standby, connection and the power-off of controlled soket can be controlled, saves energy, extend the shelf life of electrical appliance, improve the fail safe used, the utility model built-in power checking circuit, ensure that the precision of measurement, but also be provided with memory cell, button is set, by this two module and power measurement converting unit, central control unit and switch control unit match, as long as detect that main control socket real-time power closes power lower than the main control socket equaling to be stored in memory cell, central control unit just cuts off the connection of controlled soket and phase line by switch control unit, highly sensitive, in addition the utility model is also provided with lightning protection indicator light, power supply indicator and status indicator lamp to show the operating state of socket at any time, in addition, be also provided with lightning-protection module and not by the generic interface of master control switch control rule, to arrive protection power consumption equipment, strengthen the integrity degree of the safety in utilization of socket itself, practicality and design.
Accompanying drawing explanation
Fig. 1 is that embodiment of the present invention circuit connects block diagram;
Fig. 2 is embodiment of the present invention circuit theory diagrams;
Wherein: 1-main control socket, 2-common socket, 3-controlled soket, 4-current sampling unit, 5-voltage sampling unit, 51-sample resistance, 52-low pass filter, 6-power measurement processing unit, 7-central control unit, 71-arrange button, 72-status indicator lamp, 73-power checking circuit, 8-switch control unit, 9-relay power, 10-control power supply.
Embodiment
Embodiments provide a kind of Intelligent safety socket, describe implementation procedure of the present invention in detail below with reference to specific embodiment.
With reference to a kind of Intelligent safety socket of Fig. 1, Fig. 2 embodiment of the present invention, comprise main control socket 1, controlled soket 3, control power supply 10, voltage sampling unit 5, current sampling unit 4, power measurement processing unit 6, central control unit 7, and relay power 9 and switch control unit 8.Described central control unit 7 is also connected with and arranges button 71, status indicator lamp 72 and power checking circuit 73.Described voltage sampling unit 5 is connected with AC-L-IN and AC-N-IN respectively, to detect the voltage of main control socket 1.Described current sampling unit 4 is connected with AC-N-IN and AC-N-OUT respectively, to detect the electric current of main control socket 1.Voltage sampling unit 5 output (is connected with power measurement processing unit 6 respectively with current sampling unit 4 output, power measurement processing unit 6 is connected with central control unit 7, central control unit 7 is connected with switch control unit 8, and switch control unit 8 is connected with controlled soket 3.
In the present embodiment, described voltage sampling unit 5 is made up of sample resistance 51 and low pass filter 52, described sample resistance 51 one end is connected with AC-L-IN, one end is connected with AC-N-IN, M signal output line is connected with low pass filter 52, and described low pass filter 52 is connected with power measurement processing unit 6.Described current sampling unit 4 is made up of a high accuracy, ultralow resistance, high-power resistance alloys R14 and a low pass filter 41, resistance alloys R14 one end is connected with AC-N-IN, one end is connected with AC-N-OUT and low pass filter 41, and described low pass filter 41 is connected with power measurement processing unit 6.Described power measurement processing unit 6 is connected with CPU 7, and described CPU 7 is connected with switch control unit 8.
Further, described switch control unit 8 comprises a bidirectional triode thyristor TR, the G pole of described bidirectional triode thyristor TR is connected with central control unit 7, T1 is ground connection extremely directly, T2 pole is held with the AC of rectifier bridge BG1 and is connected, after electric capacity C15 connects with resistance R13 and T1 and T2 of controllable silicon TR hold and be in parallel, the positive terminal of described rectifier bridge BG1 is connected with inductance L 1, tell inductance L 1 and be connected with the coil-end of relay R EG, the other end of the coil of described relay R EG is connected with the negative pole end of described rectifier bridge BG1; Electric capacity C14 is parallel to the coil two ends of described relay R EG, and be connected with AC-L-IN with one end of often driving auxiliary contact of the fitting coils of relay line REG, the other end is connected with AC-L-OUT; AC-L-OUT is connected with controlled soket 3.
For reducing the stand-by power consumption of this socket self, innovative design of the present invention dual power supply pattern, power measurement processing unit 6 and central control unit 7 use conventional RC resistance-capacitance depressurization to control power supply 10 and power, switch control unit uses the relay power 9 of original creation, and this relay power 9 achieves " zero watt of stand-by power consumption ".
In addition, in order to better indicate the operating state of this socket and improve the safety in utilization of socket, lightning protection indicator light, power supply indicator and status indicator lamp three indicating members in the present embodiment, are also provided with.
For strengthening fail safe and the practicality of socket further, the common socket 2 that the present embodiment is also provided with lightning-protection module and not controlled by main control socket 1, described lightning-protection module is connected with AC-L-IN, AC-N-IN and ground wire E respectively, and described common socket 2 is directly connected with AC-L-IN and AC-N-IN respectively.
In addition, the present embodiment have employed brand-new power calculation mode, and concrete account form is as follows:
1) minimum power is set: main control socket 1 can detect the minimum value of main frame standby power, when main frame standby power be less than minimum performance number is set time, arrange power to process by minimum without exception, the minimum power that arranges is 5W in the present embodiment.
2) maximum power is set: main control socket 1 can detect the maximum of main frame standby power, when main frame standby power be greater than maximum performance number is set time, arrange power to process by maximum without exception, maximum detection power is 50W in the present embodiment.
3) power is set: main control socket 1 detect main frame standby time actual power value.
4) fluctuating power is set: for preventing when detecting main frame standby power, cause the situation that this power measurement values is less than normal because of the fluctuation of civil power, placed a power fluctuation surplus especially, this power fluctuation surplus is 10W.
5) typing power: stored in the performance number of memory cell.
6) electric equipment of standby power < 5W: typing power=minimum arranges power+arrange fluctuating power, i.e. 5W+10W.
7) electric equipment of standby power > 5W (containing 5W): typing power=arrange power+fluctuating power is set.
8) electric equipment of standby power > 50W (containing 50W): typing power=maximum arranges power+arrange fluctuating power: i.e. 50W+10W.
9) operating wave kinetic power: for preventing when detecting loaded work piece power, the fluctuation because of civil power causes this power occur fluctuation and cause erroneous judgement, and placed a power fluctuation surplus especially, this power fluctuation surplus is 5W.
10) starting power: the power that controlled soket 3 is connected, typing power+operating wave kinetic power.
11) power is closed: the power that controlled soket 3 disconnects, typing power-operating wave kinetic power.
12) in the operational mode, if performance number >=starting power that main control socket 1 detects, controlled soket 3 connects conduction.
13) in the operational mode, if performance number≤closedown power that main control socket 1 detects, controlled soket 3 closes power-off.
14) in the operational mode, if performance number≤starting power that main control socket 1 detects again >=close power, then keep current state constant.
The control method of smart jack of the present invention is:
1) access mains supply and at main control socket 1 access host, access peripheral electrical appliance at controlled soket 3.
2) on main control socket 1, main frame enters holding state.
3) long by arranging button S1, enter the pattern of setting, status indicator lamp 72 glimmers, current sampling unit 4 and voltage sampling unit 4 current detection to host work electric current and operating voltage signal be sent to power measurement processing unit 6, after power measurement processing unit 6 calculation process, obtain one group of rectangular pulse signal and be sent to central control unit 7, central control unit 7 reads this pulse signal and is undertaken calculating starting power and cutting out power two performance numbers by power calculation mode, automatically the pattern of setting is exited after being kept at memory cell, proceed to mode of operation.
4) current sampling unit 4 and voltage sampling unit 5 detect host work electric current and operating voltage in real time, after power measurement processing unit 6 calculation process, obtain one group of rectangular pulse signal representing performance number send central control unit 7 to, central control unit 7 in real time by the starting power in this performance number and memory cell with close power and compare analysis, if the starting power value in main engine power value >=memory cell, then central control unit 7 just sends turn-on command, control controlled soket 3 conducting energising by switch control unit 8, status indicator lamp 72 is lighted; If the closedown performance number in main engine power value≤memory cell, then central control unit 7 just sends out code, and controlled soket 3 closes power-off, and status indicator lamp 72 extinguishes; If the main engine power value starting power value be less than in memory cell is greater than again the closedown performance number in memory cell, then central control unit 7 sends the instruction keeping current state constant, and controlled soket 3 closes power-off, and status indicator lamp 72 extinguishes.
5) after controlled soket 3 conducting energising, current sampling unit 4 and voltage sampling unit 5 continue to detect host work electric current and operating voltage in real time, after power measurement processing unit 6 calculation process, obtain one group of rectangular pulse signal representing performance number send central control unit 7 to, central control unit 7 in real time by the starting power in this performance number and memory cell with close power and compare analysis, if the closedown performance number in main engine power value≤memory cell, then central control unit 7 just sends out code, control controlled soket 3 by switch control unit 7 and close power-off, status indicator lamp 72 cuts out, if the starting power value in main engine power value >=memory cell, then central control unit 7 just sends enabled instruction, and controlled soket 3 conducting is energized, and status indicator lamp 72 is lighted, if the main engine power value starting power value be less than in memory cell is greater than again the closedown performance number in memory cell, then central control unit 7 sends the instruction keeping current state constant, and controlled soket 3 continues conducting energising, and status indicator lamp 72 continues to light.
6) if controlled soket 3 is cut off with the connection of AC-L-OUT in step 4, then return and perform step 4.
7) if change the main frame be connected on main control socket 1, then return and perform step 2.
More than that better enforcement of the present invention is illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art can also make all equivalents or replacement under the prerequisite without prejudice to spirit of the present invention, and these equivalent distortion or replacement are all included in the application's patent requirements limited range.
Claims (7)
1. an Intelligent safety socket, comprising: main control socket, controlled soket, control power supply, current sampling unit, voltage sampling unit, power measurement processing unit, central control unit and relay power and switch control unit; It is characterized in that: described current sampling unit is connected with zero line and main control socket respectively; Described voltage sampling unit is connected with live wire; Current sampling unit and voltage sampling unit are connected with power measurement processing unit respectively; Described central control unit is connected with power measurement processing unit; Described switch control unit is connected with central control unit; Described controlled soket is connected with switch control unit; Described current sampling unit, for realizing the sampling to main control socket electric current, is made up of a resistance alloys and a low pass filter; Described resistance alloys one end is connected with zero line, the other end is connected with the low pass filter of main control socket and current sampling unit, the low pass filter of described current sampling unit comprises resistance and the electric capacity of one group of series connection, and is connected with power measurement processing unit with the output line in the middle of electric capacity by being connected to resistance; Described voltage sampling unit is made up of a sample resistance and a low pass filter, described sample resistance is made up of the resistance of three series connection, its one end is connected with live wire, the other end is connected with main control socket, for realizing the sampling to main control socket voltage, sample resistance M signal output line is connected with the low pass filter of voltage sampling unit, and the low pass filter of described voltage sampling unit is connected with power measurement processing unit, and by a capacity earth.
2. Intelligent safety socket according to claim 1, it is characterized in that: the voltage signal of current sampling unit and voltage sampling unit gained obtains the rectangular pulse signal that a class frequency is directly proportional to power, for realizing the metering of high-precision active power through power measurement processing unit.
3. Intelligent safety socket according to claim 1, is characterized in that: described relay power is independently arranged on Intelligent safety socket, is connected with switch control unit, and for reducing the stand-by power consumption of Intelligent safety socket.
4. Intelligent safety socket according to claim 1, it is characterized in that: described switch control unit comprises a bidirectional triode thyristor, the G pole of described bidirectional triode thyristor is connected with central control unit, T1 is ground connection extremely directly, T2 pole is held with rectifier bridge AC and is connected, after electric capacity is in series with a resistor and controllable silicon T1 and T2 hold and be in parallel, described cathode rectifier end is connected with an inductance, described inductance is connected with a relay coil end, the other end of described relay coil is connected with the negative pole end of rectifier bridge, one Capacitance parallel connection is in described relay coil two ends, be connected with phase line with one end of often driving auxiliary contact that relay coil coordinates, the other end is connected with controlled soket.
5. Intelligent safety socket according to claim 1, is characterized in that: described central control unit is also connected with and arranges button, status indicator lamp and power checking circuit.
6. Intelligent safety socket according to claim 5, is characterized in that: the described button that arranges, for switching the state of Intelligent safety socket, is divided into the pattern of setting and mode of operation; Described pattern is set under can arrange controlled soket start and close performance number.
7. a control method for Intelligent safety socket according to claim 1, is characterized in that comprising the steps:
1) access mains supply and at main control socket access host, access peripheral electrical appliance at controlled soket;
2) on main control socket, main frame enters holding state;
3) long by arranging button, enter the pattern of setting, status indicator lamp glimmers, current sampling unit and voltage sampling unit current detection to host work electric current and operating voltage signal be sent to power measurement processing unit, after power measurement processing unit computing conversion, obtain one group represent the rectangular pulse signal of performance number and be sent to central control unit, central control unit reads this pulse signal and calculates starting power and cut out power two performance numbers, automatically exit the pattern of setting after being kept at memory cell, proceed to mode of operation;
4) current sampling unit and voltage sampling unit detect host work electric current and operating voltage in real time, after power measurement processing unit calculation process, obtain one group of rectangular pulse signal representing performance number send central control unit to, central control unit is in real time by the starting power in this performance number and memory cell with cut out power and compare analysis, if the starting power value in main engine power value >=memory cell, then central control unit just sends turn-on command, control controlled soket conducting energising by switch control unit, status indicator lamp is lighted; If the closedown performance number in main engine power value≤memory cell, then central control unit just sends out code, and controlled soket continues to close power-off, and status indicator lamp continues to extinguish; If the main engine power value starting power value be less than in memory cell is greater than again the closedown performance number in memory cell, then central control unit sends the instruction keeping current state constant;
5) after controlled soket energising conducting, current sampling unit and voltage sampling unit continue to detect host work electric current and operating voltage in real time, after power measurement processing unit calculation process, obtain one group of rectangular pulse signal representing performance number send central control unit to, central control unit continue in real time by the starting power in this performance number and memory cell with close power and compare analysis, if the closedown performance number in main engine power value≤memory cell, then central control unit just sends out code, control controlled soket by switch control unit and close power-off, status indicator lamp cuts out, if the starting power value in main engine power value >=memory cell, then central control unit just sends enabled instruction, and controlled soket continues conducting energising, and status indicator lamp continues to light, if the main engine power value starting power value be less than in memory cell is greater than again the closedown performance number in memory cell, then central control unit sends the instruction keeping current state constant,
6) if the connection of controlled soket and phase line is cut off in step 4, then return and perform step 4;
7) if change the main frame be connected on main control socket, then return and perform step 2.
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| CN103036119A (en) * | 2012-12-28 | 2013-04-10 | 英特曼电工（常州）有限公司 | Multifunctional intelligent energy-saving socket |
| CN103353727B (en) * | 2013-05-31 | 2016-07-06 | 国家电网公司 | In-site comprehensive smart jack based on resistance alloys and RF identification |
| CN103353717B (en) * | 2013-05-31 | 2016-08-10 | 国家电网公司 | Networking comprehensive intelligent socket and its implementation |
| CN103560364A (en) * | 2013-10-15 | 2014-02-05 | 深圳市智远能科技有限公司 | Intelligent type switch socket with two-time form and intelligent type switch extension socket |
| CN105006706A (en) * | 2015-07-28 | 2015-10-28 | 张新安 | Intelligent energy-saving power supply socket strip |
| CN105375639A (en) * | 2015-12-09 | 2016-03-02 | 殷子凯 | Safety power supply of energy-saving electrical device |
| CN106199170A (en) * | 2016-07-06 | 2016-12-07 | 那鸿书 | A kind of active power testing circuit and Intelligent socket |
| CN106486858B (en) * | 2016-11-15 | 2019-03-19 | 徐州爱特普电子有限公司 | Major and minor output chain control functional socket |
| CN106410499A (en) * | 2016-12-09 | 2017-02-15 | 徐超 | Extension socket |
| CN110191559B (en) * | 2019-06-04 | 2022-10-11 | 青岛亿联客信息技术有限公司 | Intelligent lamp and control method and system thereof |
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