CN103699005A - Infrared gesture switch controller - Google Patents

Infrared gesture switch controller Download PDF

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Publication number
CN103699005A
CN103699005A CN201310729862.3A CN201310729862A CN103699005A CN 103699005 A CN103699005 A CN 103699005A CN 201310729862 A CN201310729862 A CN 201310729862A CN 103699005 A CN103699005 A CN 103699005A
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China
Prior art keywords
infrared
unit
chip microcomputer
triode
infrared gesture
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Pending
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CN201310729862.3A
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Chinese (zh)
Inventor
李喜通
于济锋
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HENAN DONGJUN INTELLIGENT TECHNOLOGY Co Ltd
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HENAN DONGJUN INTELLIGENT TECHNOLOGY Co Ltd
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Priority to CN201310729862.3A priority Critical patent/CN103699005A/en
Publication of CN103699005A publication Critical patent/CN103699005A/en
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Abstract

The invention relates to a switch control circuit, in particular to an infrared gesture switch controller. The infrared gesture switch controller comprises a PWM (Pulse-Width Modulation) generator, a work code generator, a modulation unit, a demodulation unit, a data analysis unit and an execution unit, wherein the PWM generator, the work code generator and the data analysis unit are implemented by using a single-chip microcomputer; a PWM square wave signal generated by an internal clock of the single-chip microcomputer is taken as a carrier source of the modulation unit; a work code encoding signal generated by the internal clock of the single-chip microcomputer accesses to the modulation unit through a triode phase inverter; an infrared emitting diode is connected to an output loop of the modulation unit; an infrared receiving demodulation circuit is adopted in the demodulation unit; the infrared emitting diode and an infrared detection diode of the demodulation unit construct an infrared gesture sensing unit; the output end of the demodulation unit is connected with the single-chip microcomputer; the single-chip microcomputer is provided with a control output end which is connected with the execution unit. The infrared gesture switch controller disclosed by the invention has the advantages of scientific and reasonable design and simple circuit structure; moreover, the lightening and extinguishing of a lamp are controlled by means of gestures, so that great convenience is brought to life.

Description

A kind of infrared gesture on-off controller
Technical field
The present invention relates to a kind of ON-OFF control circuit, especially relate to a kind of infrared gesture on-off controller.
Background technology
Adopt at present the control of civil power light switch, the most frequently used is seesaw switch on wall.But for getting up in the night to urinate evening, need to feel about in the dark with individual's sensation or grope to find out switch button operation, using inconvenient.In order meeting, to find easily at night the position of the switch, to have afterwards producer on switch, to be provided with light emitting diode, also have a kind of technology to adopt exactly audio-switch.Adopt the shortcoming of audio-switch to be, if at night, drowsy in, in order to play illumination night, spank or shout bats in, panesthesia is not that matter, is not at state and does not say, key still affects other people sleeps, oneself I'm afraid also sleepiness completely without.And audio-switch is subject to noise jamming serious.Moreover the serviceable life of mechanical switch is limited, cheap is second-rate, and the slightly better cost of quality is higher.
Summary of the invention
The present invention is directed to prior art deficiency, propose a kind of infrared gesture on-off controller, simple in structure, easy to use.
The technical solution adopted in the present invention is:
A kind of infrared gesture on-off controller, comprise PWM generator, operation code generator, modulating unit, demodulating unit, data analysis unit, performance element, described PWM generator, operation code generator, data analysis unit utilization adopt any one CMOS flash memory chip microcontroller of the PIC16F series of nanowatt technology, and the internal clocking of described single-chip microcomputer produces PWM square-wave signal, and by its RC5 pin, connected an input end of modulating unit, as the carrier source of modulating unit; The internal clocking of described single-chip microcomputer produces the operation code being comprised of preamble code, address code, numeric data code, parity check code and encodes, and is exported by RB7/TX pin, is connected on another input end of modulating unit by triode phase inverter; In the output loop of described modulating unit, be connected with an infrared-emitting diode, demodulating unit adopts infrared receiving demodulation circuit, the infrared detection diode of described infrared-emitting diode and demodulating unit forms infrared gesture induction unit, the output terminal of demodulating unit is connected with the RB5/RX pin of described single-chip microcomputer, and the output terminal of described single-chip microcomputer is connected with the input end of performance element.
Described infrared gesture on-off controller, described modulating unit is mainly comprised of the positive AND circuit of dual input and triode, the output signal of described positive AND circuit is through the control base stage of repeating resistance connecting triode, the infrared-emitting diode that is connected infrared gesture induction unit between the collector of described triode and power supply, described demodulating unit can adopt the integrated circuit (IC) chip of integrated circuit IRM-3638T-X or similar functions, also can build with discrete component.
Described infrared gesture on-off controller, performance element adopts triode to drive relay to form, and described triode is controlled base stage and is connected Single-chip Controlling output terminal, and triode output control loop connects relay coil, from described relay, draws switching node.
Described infrared gesture on-off controller, described performance element adopts controllable silicon to form, and described SCR control input end connects Single-chip Controlling output terminal, from described controllable silicon, draws switching node.
Described performance element can adopt IGBT element to form, and the control input end of described IGBT element connects Single-chip Controlling output terminal, from described IGBT, draws switching node.
Described performance element also can adopt power field effect metal-oxide-semiconductor to form, and described power field effect metal-oxide-semiconductor control input end connects Single-chip Controlling output terminal, from described power field effect metal-oxide-semiconductor, draws switching node.
Invention beneficial effect:
1, the infrared gesture on-off controller of the present invention, adopts gesture control lighting of electric light and extinguish, and to life, brings great convenience.On switch panel, have LED indication to be used for display switch position, can find easily switch evening, as long as wave hand before switch panel, electric light is lighted, then waves hand and extinguish, easy to use.
2, the infrared gesture on-off controller of the present invention, design science is reasonable, and circuit structure is simple, long service life.The lifting of its performance easy to use and security performance, is to civil power light switch revolution, meanwhile, also can be widely used in the control field of motor, relay, contactor, realizes contact-free switch and controls, and will bring far-reaching influence to Electromechanical Control.
3, the infrared gesture on-off controller of the present invention, uses components and parts few, and cost of manufacture is low, and PWM generator, operation code generator, data analysis unit all utilize single-chip microcomputer PIC16F690 to realize; The negative carrier of operation code has been carried in the output of modulating unit, has improved significantly the antijamming capability of circuit, can avoid the interference of other infrared lights outside inoperative code.
Accompanying drawing explanation
Fig. 1 is infrared gesture light switch controller circuitry schematic block diagram of the present invention.
Fig. 2 is modulating unit schematic diagram.
Fig. 3 is demodulating unit schematic diagram.
Fig. 4 is Comprehensive Control unit schematic diagram.
Embodiment
Below by embodiment, technical scheme of the present invention is described in further detail.
Embodiment 1
Referring to Fig. 1~Fig. 4, the infrared gesture on-off controller of the present invention, comprises PWM generator, operation code generator, modulating unit, demodulating unit, data analysis unit, performance element, described PWM generator, operation code generator, data analysis unit utilization adopt any one CMOS flash memory chip microcontroller of the PIC16F series of nanowatt technology, the internal clocking of described single-chip microcomputer produces PWM square-wave signal, and by its RC5 pin, is connected the input end of modulating unit, as the carrier source of modulating unit; The internal clocking of described single-chip microcomputer produces the operation code being comprised of preamble code, address code, numeric data code, parity check code and encodes, and is exported by RB7/TX pin, is connected on another input end of modulating unit by triode phase inverter Q2; In the output loop of described modulating unit, connect infrared-emitting diode, demodulating unit adopts infrared receiving demodulation circuit, the infrared detection diode of described infrared-emitting diode and demodulating unit forms infrared gesture induction unit, the output terminal of demodulating unit is connected with the RB5/RX pin of described single-chip microcomputer, and the output terminal of described single-chip microcomputer is connected with the input end of performance element.
Embodiment 2
Referring to Fig. 1~Fig. 4, the infrared gesture on-off controller of the present embodiment, the difference of itself and embodiment 1 is: described modulating unit is mainly comprised of the positive AND circuit of dual input and triode Q1, the output signal of described positive AND circuit is through the control base stage of repeating resistance connecting triode Q1, the infrared-emitting diode that is connected infrared gesture induction unit between the collector of described triode Q1 and power supply, described demodulating unit adopts the infrared receiving terminal circuit of integrated circuit die I RM-3638T-X or other similar functions, wherein infrared detection diode and infrared-emitting diode form infrared gesture induction unit.
Embodiment 3
Referring to Fig. 1~Fig. 4.Fig. 1 is the infrared gesture on-off controller of the present invention compositional block diagram, wherein the output terminal of PWM generator 11 is connected with the input end of modulating unit 13, the output terminal of operation code generator 12 is also connected with the input end of modulating unit 13, the output terminal of modulating unit 13 is connected with the input end of infrared gesture induction unit 14, the output terminal of infrared gesture induction unit 14 is connected with the input end of demodulating unit 15, the output terminal of demodulating unit 15 is connected with the input end of data analysis unit 16, and the output terminal of data analysis unit 16 is connected with the input end of performance element 17.
Fig. 2, Fig. 3 are modulating unit, infrared gesture induction unit, demodulating unit circuit theory diagrams; PWM generator, operation code generator, data analysis unit all utilize the single-chip microcomputer PIC16F690 shown in Fig. 4 to realize.The square wave that PWM generator 11 is 38KH for generation of frequency, is produced by PIC16F690 internal clocking, and by RC5 pin, is connected on an input end of modulating unit, as the carrier source of modulating unit; Operation code generator is to produce the coding being comprised of preamble code, address code, numeric data code, parity check code etc., also be to be produced by PIC16F690 internal clocking, and exported by RB7/TX pin, by triode phase inverter Q2, be connected on another input end of modulating unit.
What modulating unit was exported is the negative carrier that has carried the 38KH of operation code, its objective is in order to improve the antijamming capability of circuit, avoids the interference of other infrared lights outside inoperative code.Modulating unit just has the integrated circuit (IC) chip of similar functions and triode Q1 etc. with door SN74AHC1G08 or other by dual input and forms.Access Q2 phase inverter is to guarantee that in dual input, just with in door what superpose is forward operation code, inverted waveform is suppressed.Q1, Q2 can be 9014,9013 or miniwatt fet.
Infrared-emitting diode D2 and U3(infrared receiving terminal) preposition part (infrared detection diode) form infrared gesture induction unit.Its principle of work is, D2 is always in sending the state of 38KH negative carrier, and when not waving, U3 is in static holding state, and when waving, the infrared detection diode of U3 receives the 38KH negative carrier of D2, then sends into demodulating unit.This has just completed the detection of the instruction of once waving.U3 adopts integrated circuit die I RM-3638T-X, also can adopt other to have the integrated circuit (IC) chip of similar functions.
In Fig. 3, by U3, C10, R9, R10 etc., form demodulating unit.U3 adopts integrated circuit die I RM-3638T-X(infrared receiving terminal), this integrated circuit is integrated infrared detection diode, amplifier, limiter, bandpass filter, integrating circuit, comparer etc.When infrared detection diode detection is after the infrared signal of D2 transmitting, immediately signal is delivered to amplifier and limiter, limiter is controlled at certain level pulse height, no matter guaranteed that the distance distance of infrared transmitter and receiver can receive reliably.The negative carrier that bandpass filter guarantees to make 380KHZ smoothly by and other negative carrier of filtering, then subcarrier enters demodulator circuit, integrating circuit and comparer, finally restores the signal waveform of infrared-emitting diode D2 transmitting.
Single-chip microcomputer PIC16F690 internal reservoir the waveform of operation code, after receiving the demodulation waveforms that demodulating unit sends, by two waveforms are compared, two waveforms output a control signal to performance element while meeting, non-output signal while not meeting, performance element is not worked.
The infrared gesture on-off controller of the present invention, performance element can adopt triode to drive relay to realize.Described triode is controlled base stage and is connected Single-chip Controlling output terminal, and triode output control loop connects relay coil, from described relay, draws switching node.When receiving the high level of PIC69F160 output, performance element action (triode conducting drives relay contact closure), lights electric light, otherwise extinguishes.
The infrared gesture on-off controller of the present invention, performance element also can adopt controllable silicon to form, and described SCR control input end connects Single-chip Controlling output terminal, from described controllable silicon, draws switching node.
Described performance element also can adopt power field effect metal-oxide-semiconductor to form, and described power field effect metal-oxide-semiconductor control input end connects Single-chip Controlling output terminal, from described power field effect metal-oxide-semiconductor, draws switching node.

Claims (5)

1. one kind infrared gesture on-off controller, comprise PWM generator, operation code generator, modulating unit, demodulating unit, data analysis unit, performance element, it is characterized in that: described PWM generator, operation code generator, data analysis unit utilization adopt any one CMOS flash memory chip microcontroller of the PIC16F series of nanowatt technology, the internal clocking of described single-chip microcomputer produces PWM square-wave signal, and by its RC5 pin, connected an input end of modulating unit, as the carrier source of modulating unit; The internal clocking of described single-chip microcomputer produces the operation code being comprised of preamble code, address code, numeric data code, parity check code and encodes, and is exported by RB7/TX pin, is connected on another input end of modulating unit by triode phase inverter; In the output loop of described modulating unit, be connected with an infrared-emitting diode, described demodulating unit adopts infrared receiving demodulation circuit, the infrared detection diode of described infrared-emitting diode and demodulating unit forms infrared gesture induction unit, the output terminal of demodulating unit is connected with the RB5/RX pin of described single-chip microcomputer, and described single-chip microcomputer is provided with control output end and connects performance element.
2. infrared gesture on-off controller according to claim 1, it is characterized in that: described modulating unit is mainly comprised of the positive AND circuit of dual input and triode, the output signal of described positive AND circuit is through the control base stage of repeating resistance connecting triode, is connected the infrared-emitting diode of infrared gesture induction unit between the collector of described triode and power supply.
3. infrared gesture on-off controller according to claim 1 and 2, it is characterized in that: performance element adopts triode to drive relay to form, described triode is controlled base stage and is connected Single-chip Controlling output terminal, triode output control loop connects relay coil, from described relay, draws switching node.
4. infrared gesture on-off controller according to claim 1 and 2, it is characterized in that: described performance element adopts controllable silicon or IGBT element to form, the control input end of described controllable silicon or IGBT element connects Single-chip Controlling output terminal, from described controllable silicon or IGBT element, draws switching node.
5. infrared gesture on-off controller according to claim 1 and 2, it is characterized in that: described performance element adopts power field effect metal-oxide-semiconductor to form, described power field effect metal-oxide-semiconductor control input end connects Single-chip Controlling output terminal, from described power field effect metal-oxide-semiconductor, draws switching node.
CN201310729862.3A 2013-12-26 2013-12-26 Infrared gesture switch controller Pending CN103699005A (en)

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CN104348495A (en) * 2014-10-27 2015-02-11 黑龙江大学 Infrared voice and text code transmission device
CN104834244A (en) * 2014-11-05 2015-08-12 电子科技大学 Gesture switch and gesture control method
CN105717380A (en) * 2014-12-04 2016-06-29 天津市品通电力科技有限公司 Emitter for micro-hole detection
CN108415286A (en) * 2018-04-09 2018-08-17 广东美智智能科技有限公司 A kind of Table capable of heating gesture identification control circuit
CN110148292A (en) * 2019-06-28 2019-08-20 湖南纳雷科技有限公司 A kind of wireless remote control decoding method and coding and decoding device
CN114355470A (en) * 2021-12-21 2022-04-15 厦门阳光恩耐照明有限公司 Anti-interference active infrared induction circuit
CN114675578A (en) * 2022-03-23 2022-06-28 深圳市深台科科技有限公司 Intelligent monitoring system of industrial smelting furnace

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Cited By (9)

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Publication number Priority date Publication date Assignee Title
CN104348495A (en) * 2014-10-27 2015-02-11 黑龙江大学 Infrared voice and text code transmission device
CN104348495B (en) * 2014-10-27 2017-09-15 黑龙江大学 Infrared voice and literal code emitter
CN104834244A (en) * 2014-11-05 2015-08-12 电子科技大学 Gesture switch and gesture control method
CN105717380A (en) * 2014-12-04 2016-06-29 天津市品通电力科技有限公司 Emitter for micro-hole detection
CN105717380B (en) * 2014-12-04 2019-01-18 天津市品通电力科技有限公司 A kind of emitter for micropore detection
CN108415286A (en) * 2018-04-09 2018-08-17 广东美智智能科技有限公司 A kind of Table capable of heating gesture identification control circuit
CN110148292A (en) * 2019-06-28 2019-08-20 湖南纳雷科技有限公司 A kind of wireless remote control decoding method and coding and decoding device
CN114355470A (en) * 2021-12-21 2022-04-15 厦门阳光恩耐照明有限公司 Anti-interference active infrared induction circuit
CN114675578A (en) * 2022-03-23 2022-06-28 深圳市深台科科技有限公司 Intelligent monitoring system of industrial smelting furnace

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Application publication date: 20140402