CN203720780U - Non-contact gesture control system - Google Patents
Non-contact gesture control system Download PDFInfo
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- CN203720780U CN203720780U CN201320724027.6U CN201320724027U CN203720780U CN 203720780 U CN203720780 U CN 203720780U CN 201320724027 U CN201320724027 U CN 201320724027U CN 203720780 U CN203720780 U CN 203720780U
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Abstract
The utility model relates to a non-contact gesture control system for civil or industrial electric equipment operation. The system comprises a gesture identification circuit, an infrared remote control coding circuit and a relay driving circuit. According to the system, gestures in 3D space are detected on the basis of a wireless distance measurement sensor, the wireless distance measurement sensor is used for echo reflection induction detection of the gestures in a fixed range and gesture switching operation of the on/off function of a simple circuit. The system can be independent or is embedded into the civil or industrial electric equipment according to a control object, modules can be randomly added, reduced or combined, conventional control equipment such as a keyboard, a remote controller and a switch are replaced or compatible, the non-contact gesture control is achieved, and the user experience is greatly improved.
Description
Technical field
The present invention relates to noncontact gesture control field, relate in particular to the noncontact gesture control system towards civilian or industrial electrical equipment equipment operating.
Background technology
Conventionally electric equipment operation civilian or industrial site is to realize by touch key-press, mechanical switch, wireless remote control, acoustic control, the mode such as light-operated.Operational motion include but not limited to " opening/closing " bifurcation switch, state or pattern switch, regularly, stepping adjusting, electrodeless adjusting, servocontrol etc." opening/closing " bifurcation switch, as the power switch of electric equipment; Change-over switch is as remote controller buttons, general household electrical appliance condition selecting button; Stepping is reconciled switch, as the stepping of microwave oven output power regulates; Stepless adjusting switch, as ceiling fan is realized electrodeless variable-speed by TRIAC circuit; Servo switch, as the speed of commercial unit, position Acceleration Control etc.These operations can be divided into again two kinds by executive mode: a kind of hand or direct contact-making switch device of limbs of needing completes corresponding operating, as domestic lighting power switch, comprise conventional mechanical switch, touch sensible switch etc., major part needs visual guidance support, operating personnel must stand in operational and controlled key button one arm distance; Another kind of, not needing to produce limbs contact just can realize compared with remote-controlled operation and controlling, do not need limbs to contact any equipment, as acoustic control, simple acoustic control if sound reach some strength just can turning circuit, but have the poor problem of identification, complicated acoustic control is high cost, machine can be resolved voice but is difficult to analyze people's definite intention in addition; Also having a kind of is Digiplex, but telepilot needs fixing local preservation conventionally, easily loses.
It is development in recent years a kind of control mode faster that noncontact gesture (identification) is controlled, be mainly used at present the Touchless manipulation of human-computer interaction interface, mainly contain at present four kinds of modes, according to MEMS(MEMS sensor) gesture identification, the gesture identification of Doppler effect, gesture identification based on infrared heavy curtain, and the gesture identification based on machine vision.These four kinds of gesture control technologys, can substitute at present mouse and complete the controlling of computer screen, and can realize complicated action recognition.Wherein the gesture identification based on machine vision, can realize 3D gesture identification, thereby realizes more complicated controlling, as game is controlled.These four kinds of modes are widely used in man-machine interaction at present, common and computing machine bundlees, gesture identification based on Doppler effect and machine vision needs high-performance CPU to calculate support, and while independently using as switch, relative cost is too high, is not suitable for the supporting of general low-cost electric equipment with universal.The gesture identification control action of infrared curtain type must be close to the plane of infrared light emission receiving array or infrared heavy curtain composition, except realizing multiple spot, accurately control, compares and there is no advantage with normal operations.Gesture identification based on MEMS sensor must be worn MEMS sensor and microprocessor, has limited the convenience of using.
The above-mentioned traditional operation mode of mentioning has all been confined the operating distance of people and machine, and holistic cost is too high for the advanced mode of operation based on pure gesture identification.Market, in the urgent need under a kind of low-cost condition, can meet the equipment that the high precision noncontact gesture of general civilian or industrial electrical equipment equipment is controlled, and realizes the remote control that does not need telepilot.
Summary of the invention
In order to overcome the deficiency in above-mentioned technology, the invention provides a kind of noncontact gesture control system, can realize without the Touchless manipulation of all kinds of electric equipments under visual guidance and controlling, greatly improve user's experience.Described technical scheme is as follows:
A noncontact gesture control system based on wireless distance finding sensor, comprises primary module and secondary module, it is characterized in that: primary module comprises gesture identification circuit, and secondary module comprises, infrared remote coding radiating circuit and relay drive circuit; Wherein primary module is comprised of microcontroller, wireless distance finding sensor and crystal oscillating circuit, and crystal oscillating circuit is comprised of electric capacity and crystal oscillator, wherein a termination microcontroller crystal oscillator pin PB7 other end ground connection of electric capacity (C1); One termination microcontroller crystal oscillator pin PB6 other end ground connection of electric capacity (C2), a termination microcontroller PB7 pin of crystal oscillator (Y1), another termination microcontroller PB6 pin, crystal oscillating circuit determines microcontroller frequency of operation; No. 1 pin of wireless distance finding sensor connects power Vcc, No. 2 pin meets microcontroller universal input output pin PD4, No. 3 pin meets microcontroller universal input output pin PD7, No. 4 pin ground connection, wireless distance finding sensor detects for gesture echo reflection induction in fixed range, microcontroller PB3～PB1 is for supporting the universal input output pin of PWM pulse-width signal, can auxiliary connection module, infrared remote coding radiating circuit, microcontroller PC0～PC5 is universal input output pin, can auxiliary connection module relay drive circuit.
A kind of noncontact gesture based on wireless distance finding sensor is controlled wireless distance finding sensor in primary module gesture identification circuit and can be connected more than 1 and 1 according to actual conditions, wireless distance finding sensor can be arranged in point, line array, L-type linear array, plane lattice, the induction of gesture echo reflection detects, and can be applicable to the gesture switching manipulation that ball bearing made using is connected break function.Secondary module can need increase and decrease combination arbitrarily according to working control object.Microcontroller based on but be not limited to AVR atmega328p-au, can be also CPU, DSP or the FPGA of other types.Wireless distance finding sensor based on but be not limited to ultrasonic distance-measuring sensor HC-SR04, can be other wireless distance finding sensors based on electromagnetic wave, light wave, sound wave, infrared light and visible ray.Can connect other secondary modules by GPIO mouth; Also can realize controlling by bus mode and other intermodules and communicate by letter; Or realize radio communication and control by connecting wireless communication module and other secondary intermodules, wireless mode includes but not limited to WIFI, bluetooth, infrared, sound wave, 2.4G and ZIGBEE etc.
The secondary module infrared remote coding of a kind of noncontact gesture control system based on wireless distance finding sensor radiating circuit module comprises the infrarede emitting diode being driven by triode.It is characterized in that: drive triode based on but do not limit 8050, its base stage is connected the GPIO pin of gesture identification circuit module and is received pwm control signal by resistance.Collector, by contact resistance R2 and infrarede emitting diode, is connected with power Vcc, grounded emitter, and the effect of this circuit is by pwm signal, to control generation and the transmitting of infrared remote coding, realizes the infrared remote-control operation to home appliance.By simulating the Infrared remote controller launching code realization of civilian or commercial unit, the remote control of relevant device is controlled.As the adjusting of air-conditioner temperature controlled by launching corresponding infrared coding realization, the volume adjusting of televisor, also include but not limited to the household electrical appliances facilities such as warmer, refrigerator, water heater, lampblack absorber, humidifier, fan, micro-wave oven, washing machine, kitchen and toilet facility, toy, small household appliances, and realize supporting the control of the commercial unit of infrared remote control.
The secondary module relay drive circuit of a kind of noncontact gesture control system based on wireless distance finding sensor module comprises the relay that triode drives.It is characterized in that: drive triode based on but do not limit 8050, base stage connects any GPIO pin of gesture identification circuit module, collector connection relay.Relay drive circuit module can be guaranteed according to the identification to gesture motion, the control system of switching on or off electricity of realization to civilian or commercial unit, while using two-way switch relay, coordinate single-pole double throw switch, can realize ganged switch operation, take into account tradition and gesture and control two kinds of switching manipulations.
A kind of noncontact gesture control system primary module gesture identification circuit based on wireless distance finding sensor, be characterised in that: wireless distance finding sensor detects for gesture echo reflection induction in fixed range, can be applicable to the gesture switching manipulation that ball bearing made using is connected break function.
?a kind of noncontact gesture control system based on wireless distance finding sensor, be characterised in that: can be used as independently control module and be embedded in all kinds of civilian or industrial electrical equipment equipment, in primary module, microcontroller can be by the key-press matrix of GPIO and the external support digital output of interrupt pin, rotary switch, slide switches etc. are controlled accordingly to secondary module, in function, control and be equal to noncontact gesture, replace and compatible traditional switch parts mode of operation, thereby realize the compatibility of gesture control mode and legacy equipment mode of operation, user can select familiar mode, and be progressively transitioned into noncontact gesture and control.Noncontact gesture control system also can be independently as the on/off controller of electrical equipment.
Compared with prior art, realized at lower cost any type operational motion of the civilian or industrial electrical equipment equipment of controlling based on gesture.Strengthen user and experience, control mode is directly perceived, facilitates user to carry out accurately and freely equipment state operation and controls.This scheme can be applied to the civilian or industrial field that need to carry out convenient non-contact control.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and take lampblack absorber, box fan, desk lamp and the present invention is done to further detailed describing as example.
Fig. 1 noncontact gesture control system structured flowchart.
Fig. 2 gesture identification circuit diagram.
Fig. 3 PWM AC power regulating circuit figure.
Fig. 4 PWM LED dimming driving circuit figure.
Fig. 5 infrared remote coding radiating circuit figure.
Fig. 6 relay drive circuit figure.
Fig. 7 household smoke exhaust ventilator gesture is controlled speed governing schematic diagram.
Fig. 8 family expenses electric rotary fan gesture is controlled schematic diagram.
Fig. 9 household reading lamp gesture regulating and controlling schematic diagram
Embodiment
Below in conjunction with accompanying drawing 1, concrete physical implementation scheme of the present invention is elaborated.
Fig. 1 is noncontact gesture control system general frame, comprises primary module: gesture identification circuit, secondary module: PWM AC power regulating circuit, PWM LED dimming driving circuit, infrared remote coding radiating circuit and relay drive circuit.It is characterized in that: gesture identification circuit connects respectively PWM AC power regulating circuit, PWM LED dimming driving circuit, infrared remote coding radiating circuit by GPIO mouth (supporting PWM output), by GPIO mouth, connects relay drive circuit.Wireless distance finding sensor and each secondary module can need increase and decrease combination arbitrarily according to working control object, as controlled fan, only need a road PWM AC power regulating circuit; Double fan lampblack absorber, just needs two-way wireless distance finding sensor and two-way PWM AC power regulating circuit; The LED desk lamp of adjustable color temperature needs two-way PWM LED dimming driving circuit; Realizing more complicated gesture identification needs wireless distance finding sensors more than three Huo Si roads, road to form array; Household electrical appliances for support Infrared remote controller such as air-conditionings; as long as a road infrared remote coding radiating circuit directly sends corresponding infrared coding; wherein PWM AC power regulating circuit, PWM LED dimming driving circuit need to be carried out corresponding algorithm for pattern recognition and then be judged that gesture is intended to by microcontroller, and therefore above-mentioned two class circuit are not the claimed scopes of the utility model.And infrared remote coding radiating circuit and relay drive circuit only need wireless distance finding sensor in the induction of fixed range build-in test gesture echo reflection, can realize switching manipulation, without microcontroller, carry out corresponding algorithm for pattern recognition.Under domestic environment, there is multichannel illumination, need the relay drive circuit of configuration corresponding number, realize light switch and control function.Noncontact gesture control system can be used as independently control module and is embedded in all kinds of civilian or industrial electrical equipment equipment, the key-press matrix that in primary module, microcontroller can be by the external support digital output of GPIO mouth, rotary switch, slide switch etc. are controlled accordingly to secondary module, in function, control and be equal to noncontact gesture, replace and compatible traditional switch parts mode of operation, thereby realize the compatibility of gesture control mode and legacy equipment mode of operation, user can select familiar mode, and is progressively transitioned into the control of noncontact gesture.Noncontact gesture control system also can be independently as the on/off controller of electrical equipment.
Fig. 2 is gesture identification circuit module, mainly wireless distance finding module and microcontroller, consists of.It is characterized in that: microcontroller is connected with wireless distance finding sensor by GPIO mouth, realization is accepted the control of wireless distance finding sensor and detection signal, wherein wireless distance finding sensor can connect more than 1 and 1 according to actual conditions, wireless distance finding sensor can be arranged in point, line array, L-type linear array, plane lattice.Microcontroller based on but be not limited to AVR atmega328p-au, can be also CPU, DSP or the FPGA of other types.Wireless distance finding sensor based on but be not limited to ultrasonic distance-measuring sensor HC-SR04, can be other wireless distance finding sensors based on electromagnetic wave, light wave, sound wave, infrared light and visible ray.Can connect other secondary modules by GPIO mouth; Also can realize controlling by bus mode and other intermodules and communicate by letter; Or by serial ports, connect wireless communication module and other intermodules and realize radio communication and control, wireless mode based on but be not limited to WIFI, bluetooth, infrared, sound wave, 2.4G and ZIGBEE.Wireless distance finding sensor detects for gesture echo reflection induction in fixed range, can be applicable to the gesture switching manipulation that infrared remote coding radiating circuit or relay drive circuit are connected break function.
Fig. 3 is PWM AC power regulating circuit module, and the corresponding gesture more complicated of this circuit, need to carry out corresponding algorithm for pattern recognition, could judge the intention of gesture, because of rather than the claimed scope of the utility model.Main element comprises optocoupler and bidirectional triode thyristor.It is characterized in that: the pwm control signal of primary module output is by optocoupler, optocoupler based on but be not limited to MOC3061-M, control the conduction angle of bidirectional triode thyristor and realize the copped wave Current limited Control to AC load circuit, bidirectional triode thyristor based on but be not limited to FKPF12N60.No. 2 pins of optocoupler MOC3061-M are accepted the pwm control signal from gesture identification circuit module, No. 4 output pins connect the control pin of bidirectional triode thyristor, the series connection of FKPF12N60 two ends 39 Ω resistance in parallel and 0.01 μ F electric capacity, FKPF12N60 two ends string is in civilian alternating circuit, HOT connects live wire end, and NEUTRAL connects zero line side.In series circuit, LOAD represents load, load can be the electrically driven (operated) electric equipment of one-way communication, include but not limited to single-phase asynchronous motor (as lampblack absorber fan motor), electrical heating (as space heater infrared heating pipe) or refrigeration plant, do not contain the electric light source of rectification and driving circuit etc.This circuit is realized the copped wave of PWM to civilian alternating current, by pulse-width regulated, realizes the adjusting to alternating-current installation/AC installation output power.If gesture control module is by gesture motion corresponding to identification, to determine being intended that of user, accelerate rotation speed of the fan or slow down, the direct corresponding output power of motor of speed of rotation speed of the fan number, by pwm control signal, realize and just can realize and minute fan a speed governing the output power of the copped wave compacting motor of single-phase alternating current.For another the speed of controlling electrical heating speed, or the brightness regulation of the light source such as incandescent lamp Halogen lamp LED, but this circuit cannot be realized the brightness regulation to LED illumination.
Fig. 4 is PWM LED dimming driving circuit module, and the corresponding gesture more complicated of this circuit, need to carry out corresponding algorithm for pattern recognition, could judge the intention of gesture, because of rather than the claimed scope of the utility model.
Comprise constant-current source drive chip and peripheral auxiliary electron components and parts.It is characterized in that: constant-current source drive chip based on but be not limited to MT7201, pin ADJ accepts the pwm control signal from gesture identification circuit module.The LED lamp pearl that drives series connection by constant-current source drive chip, recently regulates the size of drive current, thereby realizes light modulation by pwm signal pulsewidth.Single channel PWM LED dimming driving circuit module can drive the LED lamp pearl of the identical colour temperature (or different-colour) of series connection, realizes the fixing brightness regulation of colour temperature LED lamp pearl; Two-way PWM LED dimming driving circuit modular circuit, the LED lamp pearl of driving two-way different-colour, can realize colour temperature adjusting and also can realize brightness regulation; Three tunnels and above PWM LED dimming driving circuit modular circuit, the LED lamp pearl of the driving three above different-colours in road, can realize and become color adjustment and brightness regulation.Gesture control module will be identified corresponding gesture motion, and converts it to corresponding pwm control signal, realizes the switch of the various regulatory functions of LED light and controls.
Fig. 5 is infrared remote coding radiating circuit module, comprises the infrarede emitting diode being driven by triode.It is characterized in that: drive triode based on but do not limit 8050, its base stage connects the pwm control signal GPIO pin of gesture identification circuit module.Wherein triode becomes the driving gauge tap of infrarede emitting diode, pwm signal is converted into the infrared coding pulse of fixed frequency by triode, microcontroller, by interrupting and opening pwm signal, is simulated the Infrared remote controller launching code of civilian or commercial unit and is realized the noncontact gesture control to relevant device.As realized the remote control to household electrical appliances by launching corresponding infrared coding mode, complete the control as opened and closing, and realize supporting the noncontact gesture of the commercial unit of infrared remote control to control.
?fig. 6 is relay drive circuit module, it is characterized in that: drive triode based on but do not limit 8050, base stage connects the GPIO pin of gesture identification circuit module, and collector connection relay J(supports various types of relays), by triode, drive relay to realize corresponding switching manipulation.Relay drive circuit module can be guaranteed according to the identification to gesture motion, the power supply control system of switching on or off electricity of realization to civilian or industrial electrical equipment equipment, while using two-way switch relay, coordinate single-pole double throw switch, microcontroller can be according to the negate of GPIO internal lock storage state, provide correct switching signal, realize both ganged switch operations of linkage complete electric control, also when retaining user's traditional switch custom, merging noncontact gesture controls, take into account tradition and gesture and control two kinds of switching manipulations, take into account the original custom of user.
Fig. 7 is the side smoke exhaust of embedded noncontact gesture control system, and wherein 101 is side-type lampblack absorber main body; The 102 gestures detection modules for wireless distance finding sensor composition; 103 is gesture identification region; When 104 user's palms move in 103 regions, wireless distance finding sensor detects gesture echo reflection, and fan electromotor can start and cut out.Complicated any situation is to set a plurality of wireless distance finding sensors, the corresponding road relay drive circuit module of each wireless distance finding sensor, by each road relay drive circuit module, replace traditional fan electromotor speed governing keyswitch, when gesture echo triggers different wireless distance finding sensors, just can realize gesture speed governing.
?fig. 8 is the electric rotary fan of integrated noncontact gesture control system, wherein the 201 gestures detection modules that form for the wireless distance finding sensor of installing on electric rotary fan; 202 is traditional control panel, when 204 user's palms move in 203 gesture identification regions, wireless distance finding sensor detects gesture echo reflection signal, by a road relay driving module, just can realize and go up more at a distance the opening and closing that gesture is controlled fan.Especially when wireless distance finding sensor connects infrared remote coding radiating circuit module, by infrared remote coding radiating circuit module output air-conditioning (the infrared remote control household electrical appliances that comprise other classifications) infrared remote control switch signal, just can realize gesture and control air-conditioning opening and closing.
?fig. 9 is the LED desk lamp of integrated noncontact gesture control system, wherein 301 is Desk lamp feet, 302 is desk lamp tradition control panel, 304 user's hand 303 gesture identification districts cause echo reflection, and trigger relay driver module, realizes powering on and power down function of LED desk lamp, and then complete closing and opening of desk lamp, can help eyesight to have obstacle or handicapped crowd, realize easily light source opening and closing, this function also can be for the opening and closing of other light sources.
Claims (7)
1. the noncontact gesture control system based on wireless distance finding sensor, comprises primary module and secondary module, it is characterized in that: described primary module comprises gesture identification circuit, and described secondary module comprises, infrared remote coding circuit and relay drive circuit; Wherein gesture identification circuit is comprised of microcontroller, wireless distance finding sensor and crystal oscillating circuit, and crystal oscillating circuit is comprised of electric capacity and crystal oscillator, the crystal oscillator pin PB7 of a termination microcontroller of electric capacity (C1) wherein, other end ground connection; The crystal oscillator pin PB6 of one termination microcontroller of electric capacity (C2), other end ground connection, a termination microcontroller PB7 pin of crystal oscillator (Y1), another termination microcontroller PB6 pin, crystal oscillating circuit determines microcontroller frequency of operation; No. 1 pin of wireless distance finding sensor connects power Vcc, No. 2 pin meets microcontroller universal input output pin PD4, No. 3 pin meets microcontroller universal input output pin PD7, No. 4 pin ground connection, and wireless distance finding sensor detects for gesture echo reflection induction in fixed range;
PB3～PB1 pin of microcontroller is for supporting the universal input output pin of PWM pulse-width signal, in can auxiliary connection module, infrared remote coding circuit, PC0～PC5 pin of microcontroller is universal input output pin, the relay drive circuit in can auxiliary connection module.
2. a kind of noncontact gesture control system based on wireless distance finding sensor according to claim 1, it is characterized in that: in described secondary module, comprise, infrared remote coding circuit and relay drive circuit, can select according to the needs of working control object.
3. a kind of noncontact gesture control system based on wireless distance finding sensor according to claim 1, it is characterized in that: described wireless distance finding sensor can be selected more than 1 or 1 according to actual conditions, wireless distance finding sensor can be arranged in point, line array, L-type linear array, plane lattice, detects to realize the induction to gesture echo reflection.
4. a kind of noncontact gesture control system based on wireless distance finding sensor according to claim 1, is characterized in that: described infrared remote coding circuit comprises triode 8050, infrarede emitting diode, resistance; Transistor base connects the pwm control signal of microcontroller pin PB1 output in gesture identification circuit by resistance R 1, collector is by contact resistance R2 and infrarede emitting diode, be connected with power Vcc, grounded emitter, the effect of this circuit is by pwm signal, to control generation and the transmitting of infrared remote coding, realizes the infrared remote-control operation to home appliance.
5. a kind of noncontact gesture control system based on wireless distance finding sensor according to claim 1, it is characterized in that: described relay drive circuit comprises triode 8050, relay (J), resistance and diode, wherein transistor base connects the arbitrary pin of microcontroller pin PC0～PC5 in gesture identification circuit, collector connection relay, drives relay to realize corresponding switching manipulation by triode.
6. according to a kind of noncontact gesture control system based on wireless distance finding sensor described in the arbitrary claim of claim 1～5, it is characterized in that: the atmega328p-au of the model WeiAVR company of described microcontroller.
7. a kind of noncontact gesture control system based on wireless distance finding sensor according to claim 1, is characterized in that: described microcontroller can be realized the compatibility in noncontact gesture and traditional switch mode of operation function by universal input output pin and the external key-press matrix of interrupt pin, rotary switch, slide switch.
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| CN201320724027.6U CN203720780U (en) | 2013-11-18 | 2013-11-18 | Non-contact gesture control system |
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| CN201320724027.6U CN203720780U (en) | 2013-11-18 | 2013-11-18 | Non-contact gesture control system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104467762A (en) * | 2014-12-05 | 2015-03-25 | 青岛鼎信通讯股份有限公司 | Method for modulating transmission intensity of infrared transmission pipe through PWM |
| CN105006143A (en) * | 2015-07-20 | 2015-10-28 | 广东格兰仕微波炉电器制造有限公司 | Light control panel for household appliances |
| CN105188235A (en) * | 2015-10-30 | 2015-12-23 | 大连鼎创科技开发有限公司 | Non-contact wall lamplight switch device and gesture control method thereof |
| CN107270545A (en) * | 2017-06-14 | 2017-10-20 | 广东万家乐燃气具有限公司 | A kind of electric heater security system of the pole of gesture induction three power-off |
| CN107977078A (en) * | 2017-11-27 | 2018-05-01 | 惠州市物联微电子有限公司 | A kind of wireless gesture induction control system based on 2.4G |
-
2013
- 2013-11-18 CN CN201320724027.6U patent/CN203720780U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104467762A (en) * | 2014-12-05 | 2015-03-25 | 青岛鼎信通讯股份有限公司 | Method for modulating transmission intensity of infrared transmission pipe through PWM |
| CN105006143A (en) * | 2015-07-20 | 2015-10-28 | 广东格兰仕微波炉电器制造有限公司 | Light control panel for household appliances |
| CN105188235A (en) * | 2015-10-30 | 2015-12-23 | 大连鼎创科技开发有限公司 | Non-contact wall lamplight switch device and gesture control method thereof |
| CN105188235B (en) * | 2015-10-30 | 2018-01-26 | 大连鼎创科技开发有限公司 | Contactless wall light switch device and its gestural control method |
| CN107270545A (en) * | 2017-06-14 | 2017-10-20 | 广东万家乐燃气具有限公司 | A kind of electric heater security system of the pole of gesture induction three power-off |
| CN107977078A (en) * | 2017-11-27 | 2018-05-01 | 惠州市物联微电子有限公司 | A kind of wireless gesture induction control system based on 2.4G |
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