CN106211470B - A kind of LED dimming control systems and its implementation based on 3D gesture controls - Google Patents

A kind of LED dimming control systems and its implementation based on 3D gesture controls Download PDF

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Publication number
CN106211470B
CN106211470B CN201610716237.9A CN201610716237A CN106211470B CN 106211470 B CN106211470 B CN 106211470B CN 201610716237 A CN201610716237 A CN 201610716237A CN 106211470 B CN106211470 B CN 106211470B
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China
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signal
gesture
microprocessor
pulse
3d gesture
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CN201610716237.9A
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Chinese (zh)
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CN106211470A (en
Inventor
翁步升
陈欣平
叶飞
王彪
吴彬强
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横店集团得邦照明股份有限公司
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    • H05B45/10
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/017Gesture based interaction, e.g. based on a set of recognized hand gestures
    • H05B45/20

Abstract

The invention discloses a kind of LED dimming control systems based on 3D gesture controls, including microprocessor, microprocessor is exported by pulse-width signal, PIO controls are connected with analog switch, analog switch connects four current amplifiers, current amplifier is connected with infrared emission tube, reception pipe receiving infrared-ray transmitting tube signal, infrared emission tube and reception pipe composition 3D gesture inductions region, reception pipe is connected with current/voltage converter circuit, current/voltage converter circuit successively with voltage amplifier, bandpass filter, integrating circuit, wave filter, microprocessor connects, bandpass filter is connected with microprocessor.The invention also discloses a kind of implementation method of the LED dimming control systems based on 3D gesture controls.The present invention has the characteristics that not influenceed by ambient light, simple in construction, efficiency high, widely used, control mode simply and significant effect.

Description

A kind of LED dimming control systems and its implementation based on 3D gesture controls

Technical field

The present invention relates to LED technology, specifically a kind of LED dimming control systems based on 3D gesture controls and its Implementation method.

Background technology

As LED is in the extensive use of lighting field, because it has outstanding dimming behavior, also layer goes out various control modes It is not poor, individual demand of the people to signal light control is met, while reach the purpose illuminated on demand.Current indoor lamp on the market The control mode of tool mainly has:Controllable silicon light modulation, cell phone application or remote control dim, using modes such as standard agreement light modulations.With Upper control method respectively has an advantage, but there is also many drawbacks, and the problem of being primarily present is as follows:

1st, the mode of controllable silicon light modulation is to reach the side of adjusting brightness of LED lamps by the way of the power frequency supply angle of flow is changed Formula, the original sine waveform of alternating current is destroyed, reduce the power factor of power supply, electromagnetic interference is serious.Also, light modulation effect Rate is not high, easily produces noise and scintillation, constrains the dimming behavior and service life of LED.

2nd, using the control mode by cell phone application or remote control, although light modulation control intuitively very can be carried out to LED System.But there is also pairing, connection the problems such as, its it is ageing it is difficult to ensure that.Meanwhile the elderly is to this control mode acceptance level It is not high.

3rd, the building system for being suitable for whole building using the dimming mode of standard agreement is illuminated, and also in addition to power line Increase signal control line, extensive use can not be carried out in average family.

The content of the invention

It is an object of the invention to overcome above the shortcomings of the prior art, there is provided one kind is not by ambient light shadow Loud, simple in construction, efficiency high, widely used, control mode is simple and the light modulations of the LED based on 3D gesture controls of significant effect are controlled System processed.

Another object of the present invention is to provide a kind of implementation method of the LED dimming control systems based on 3D gesture controls.

In order to achieve the above object, the present invention uses following technical scheme:A kind of LED light modulation controls based on 3D gesture controls System processed, including export for pulse-width signal, PIO controls, pulse width detection, the microprocessor of AD inputs and light modulation output, Microprocessor is exported by pulse-width signal, PIO controls are connected with analog switch, and analog switch connects four Current amplifiers Device, current amplifier are connected with infrared emission tube, reception pipe receiving infrared-ray transmitting tube signal, and infrared emission tube is with receiving Pipe composition 3D gesture inductions region, reception pipe are connected with current/voltage converter circuit, current/voltage converter circuit successively with electricity Amplifier, bandpass filter, integrating circuit, wave filter, microprocessor connection are pressed, bandpass filter is connected with microprocessor.

The microprocessor includes pulse-width signal output module, PIO control modules, pulse width detection module, AD inputs Module and light modulation output module;Pulse-width signal output module, PIO control modules are connected with analog switch respectively, wave filter It is connected with AD input modules, bandpass filter is connected with pulse width detection module, and light modulation output module is connected with light source.

The reception pipe is located at the centre position in 3D gesture inductions region, and four angles in 3D gesture inductions region are respectively equipped with Infrared emission tube.

The timer for being used for producing distinct pulse widths pulse signal is provided with the microprocessor.

The light source is LED light source.

The implementation method of the above-mentioned LED dimming control systems based on 3D gesture controls, comprises the following steps:

(1) the timer generation frequency, inside microprocessor utilization is equal, the different pulse-width signal output of pulsewidth, The input of pulse-width signal output signal and analog switch connects, and microprocessor controls analog switch by PIO modules The way of conducting;

(2), current amplifier of the output of analog switch respectively at four tunnels connects, and drives infrared transmitting tube;

(3) when, the infrared signal of transmitting runs into gesture and blocked, the infrared signal being reflected back is received by reception pipe, and will The infrared signal received is converted into current signal, and voltage amplifier is delivered to after current/voltage converter circuit;

(4), voltage amplifier and bandpass filter connect, and other infrared jamming sources in bandpass filter filtering environmental, obtain The pulse-width signal as emission source is obtained, the pulse width detection unit that the signal come gives microprocessor all the way is demodulated, is used for Transmitting tube corresponding to differentiation;Signal is connected with integrating circuit all the way in addition, and pulse signal is changed into sawtooth waveforms;

(5), by obtaining direct current signal after filter filtering, detected by the AD input modules of microprocessor internal, Obtain the infrared signal value returned, its numerical value with from being inversely proportional with a distance from photoelectric tube, after microprocessor calculates the value that gesture moves, It is converted into dim signal;

(6) after, microprocessor calculates light modulation value, dim signal is exported according to the gesture of definition, so as to control light source Switch, brightness, the change of color.

The reception pipe is located at the centre position in 3D gesture inductions region, and four angles in 3D gesture inductions region are respectively equipped with Infrared emission tube;By the numerical values recited and transmitting tube handoff procedure of AD detections get in gesture induction area up and down, left and right, The position of spinning movement and motion, distance, according to AD sampled values, and the stagnant in induction region of detection gesture can be passed through Stay the time to realize single hit and dblclick, long-press, short-press action, reach 3D gestures detections.

When gesture moves up, reception pipe first it is detected that the AD numerical value change processes of the transmitting tube of lower section two, with Gesture continues to move up, then detects the AD numerical value changes of two transmitting tubes in top.

When gesture moves right, reception pipe first it is detected that the AD numerical value change processes of two, left side transmitting tube, with Gesture continues to move right, then detects the AD numerical value changes of two transmitting tubes in the right.

The present invention is had the following advantages and effect relative to prior art:

1st, the present invention is included for pulse-width signal output, PIO controls, pulse width detection, AD inputs and light modulation output Microprocessor, microprocessor is exported by pulse-width signal, PIO controls are connected with analog switch, and analog switch connects four Current amplifier, current amplifier are connected with infrared emission tube, reception pipe receiving infrared-ray transmitting tube signal, infrared emitting Pipe is connected with reception pipe composition 3D gesture inductions region, reception pipe with current/voltage converter circuit, current/voltage converter circuit It is connected successively with voltage amplifier, bandpass filter, integrating circuit, wave filter, microprocessor, bandpass filter and microprocessor Connection, have do not influenceed by ambient light, be simple in construction, efficiency high, widely used, control mode are simple and the spy such as significant effect Point.

2nd, the present invention generates the distinct pulse widths signal control infrared emission tube of specific frequency by timer, so as to ensure Do not influenceed during 3D gesture identifications by environment temperature, illumination extraneous factor, effectively prevent controller from malfunctioning.

3rd, the setting of pulse width detection module of the present invention, corresponding transmitter unit signal can be precisely identified, so as to realize 3D The direction of motion of gesture.

4th, bandpass filter is set in the present invention, delivers to analog-to-digital conversion interface again after integrating circuit, realizes that gesture is moved Dynamic distance detection.

5th, infrared emission tube, reception pipe are applied to the photodiode of different wave length in the present invention, are easy to parts selection.

6th, the output of the different type interfaces such as PWM, linearity light adjusting, digital dimming interface is supported in light modulation output in the present invention.

7th, 3D gestures of the present invention can identify up and down, left and right, direction of rotation, touch, the action such as single hit and dblclick and distance perspective are answered It measurement, can be achieved that the parameters such as LED switch, brightness, color, colour temperature are adjusted.

Brief description of the drawings

Fig. 1 is a kind of connection block diagram of the LED dimming control systems based on 3D gesture controls;

Fig. 2 is the structural representation at 3D gesture inductions region in the present invention;

Fig. 3 is flow chart when being initialized in the present invention;

Fig. 4 is flow chart when analog switch works in the present invention;

Fig. 5 is colour temperature adjustment work flow chart in the present invention;

Fig. 6 is Scene switch operating flow chart of the present invention.

Label and title are as follows in figure:

Embodiment

For ease of it will be appreciated by those skilled in the art that below in conjunction with the accompanying drawings and embodiment the present invention is made it is further specifically It is bright.

Embodiment 1:

As shown in figs. 1 to 6, a kind of LED dimming control systems based on 3D gesture controls, including for pulse-width signal The microprocessor that output, PIO controls, pulse width detection, AD inputs and light modulation export, microprocessor are defeated by pulse-width signal Go out, PIO controls are connected with analog switch, analog switch four current amplifiers of connection, current amplifier and infrared emission tube Connection, reception pipe receiving infrared-ray transmitting tube signal, infrared emission tube and reception pipe composition 3D gesture inductions region, reception pipe It is connected with current/voltage converter circuit, current/voltage converter circuit is electric with voltage amplifier, bandpass filter, integration successively Road, wave filter, microprocessor connection, bandpass filter are connected with microprocessor.Voltages described above current amplifier, band logical Wave filter, integrating circuit, filter kernel device are operational amplifier, are made up of the capacitance resistance ware of external different parameters corresponding The circuit of function;The AD27 precision operational amplifiers produced using AD companies.

Microprocessor in the present embodiment includes pulse-width signal output module, PIO control modules, pulse width detection mould Block, AD input modules and light modulation output module;Pulse-width signal output module, PIO control modules connect with analog switch respectively Connect, wave filter is connected with AD input modules, and bandpass filter is connected with pulse width detection module, and light modulation output module connects with light source Connect;The timer for being used for producing distinct pulse widths pulse signal is provided with microprocessor.

Reception pipe in the present embodiment is located at the centre position in 3D gesture inductions region, four angles in 3D gesture inductions region It is respectively equipped with infrared emission tube;Light source is LED light source.

The implementation method of the above-mentioned LED dimming control systems based on 3D gesture controls, comprises the following steps:

(1) the timer generation frequency, inside microprocessor utilization is equal, the different pulse-width signal output of pulsewidth, The input of pulse-width signal output signal and analog switch connects, and microprocessor controls analog switch by PIO modules The way of conducting;

(2), current amplifier of the output of analog switch respectively at four tunnels connects, and drives infrared transmitting tube;

(3) when, the infrared signal of transmitting runs into gesture and blocked, the infrared signal being reflected back is received by reception pipe, and will The infrared signal received is converted into current signal, and voltage amplifier is delivered to after current/voltage converter circuit;

(4), voltage amplifier and bandpass filter connect, and other infrared jamming sources in bandpass filter filtering environmental, obtain The pulse-width signal as emission source is obtained, the pulse width detection unit that the signal come gives microprocessor all the way is demodulated, is used for Transmitting tube corresponding to differentiation;Signal is connected with integrating circuit all the way in addition, and pulse signal is changed into sawtooth waveforms;

(5), by obtaining direct current signal after filter filtering, detected by the AD input modules of microprocessor internal, Obtain the infrared signal value returned, its numerical value with from being inversely proportional with a distance from photoelectric tube, after microprocessor calculates the value that gesture moves, It is converted into dim signal;

(6) after, microprocessor calculates light modulation value, dim signal is exported according to the gesture of definition, so as to control light source Switch, brightness, the change of color.

Reception pipe is located at the centre position in 3D gesture inductions region, four angles point in 3D gesture inductions region in the present embodiment She You not infrared emission tube;Got by the numerical values recited and transmitting tube handoff procedure of AD detections in gesture induction area Under, left and right, position, the distance of spinning movement and motion, according to AD sampled values, and can be by detection gesture in induction zone Holdup time in domain realizes single hit and dblclick, long-press, short-press action, reaches 3D gestures detections.

When gesture moves up, reception pipe first it is detected that the AD numerical value change processes of the transmitting tube of lower section two, with Gesture continues to move up, then detects the AD numerical value changes of two transmitting tubes in top;When moving down, then conversely.

When gesture moves right, reception pipe first it is detected that the AD numerical value change processes of two, left side transmitting tube, with Gesture continues to move right, then detects the AD numerical value changes of two transmitting tubes in the right;When being moved to the left, then conversely.

When gesture rotates, reception pipe detects the order of transmitting tube, as reception pipe detects a transmitting tube 1-2-3-4 (left sides successively Upper is 1, upper right 2, lower-left 3, bottom right 4) AD value changes for clockwise, otherwise is counterclockwise.To prevent from rotating Angle not enough causes to judge gesture by accident as left and right or moved up and down.Before it is determined that entering detection rotation gesture mode, definition is double-clicked Gesture enter rotation detection pattern, disabled orientation detection, avoid gesture motion from judging by accident.By detecting AD values, so as to sense rotation Direction and the angle of gesture are changed hands, makes and presets output.

It is specifically that the system is located at Desk lamp feet, dimming interface is exported using two-way high speed PWM, drives LED DC/ DC conversion driving circuits.

Dimming function is as follows corresponding to gesture motion:

1st, the quick mobile switch for being defined as desk lamp of gesture any direction in induction zone;

2nd, gesture is moved left and right to change desk lamp colour temperature;

3rd, adjustable desk lamp brightness is moved up and down;

4th, gesture rotation selection switches different scene modes.

As shown in figure 3, PIO modules carry out port definition, then transmitter unit parameter is set, then most enabled pulsewidth inspection Survey, then AD acquisition parameters are set, then light modulation output parameter, last initiation gesture detection and light modulation output are set.

As shown in figure 4, analog switch workflow, detects (the detection of effective hand signal in gesture induction region To 1 transmitting tube pulse signal with upper channel), and induction zone is left in setting time, it is defined as switch lamp gesture motion.

As shown in figure 5, colour temperature adjustment work flow, when defining gesture and being moved to the left, the color of lamp is gradient to cold from warm light Light, on the contrary it is gradient to warm light state from cold light.When gesture side-to-side movement in induction zone, its distance moved exceedes setting During threshold values, dimming unit starts output and changes colour temperature instruction, and when gesture leaves induction region, light modulation keeps current color temperature value.

Brightness regulation workflow, define when gesture is moved upwards as increase brightness, move down to reduce brightness.It is examined Survey consistent with colour temperature principle with light modulation flow.

As shown in fig. 6, scene switch operating flow, when defining when gesture rotates more than the angle of setting, is changed presetting Good light modulation operative scenario.To prevent from the anglec of rotation from not enough causing being mistaken for gesture to be left and right or moving up and down.It is determined that entering Before entering detection rotation gesture mode, the gesture entry angle detection pattern of double-click is defined, while disabled orientation detects, so as to avoid Gesture motion is judged by accident.

Embodiment 2

The present embodiment difference from Example 1 is that the PWM outputs in the present embodiment are changed to wireless control directives, its Communication protocol is identical, you can wirelessly to its brightness adjustment control.

Above-mentioned embodiment is the preferred embodiments of the present invention, can not be limited the invention, and others are appointed The change or other equivalent substitute modes what is made without departing from technical scheme, are included in the protection of the present invention Within the scope of.

Claims (9)

1. a kind of implementation method of the LED dimming control systems based on 3D gesture controls, it is characterised in that comprise the following steps:
(1) the timer generation frequency, inside microprocessor utilization is equal, the different pulse-width signal output of pulsewidth, pulsewidth The input of modulated signal output signal and analog switch connects, and microprocessor controls the conducting of analog switch by PIO modules Way;
(2), current amplifier of the output of analog switch respectively at four tunnels connects, and drives infrared transmitting tube;
(3) when, the infrared signal of transmitting runs into gesture and blocked, the infrared signal being reflected back is received by reception pipe, and will receive To infrared signal be converted into current signal, voltage amplifier is delivered to after current/voltage converter circuit;
(4), voltage amplifier and bandpass filter connect, other infrared jamming sources in bandpass filter filtering environmental, obtain with The same pulse-width signal of emission source, the pulse width detection unit that the signal come gives microprocessor all the way is demodulated, for distinguishing Corresponding transmitting tube;Signal is connected with integrating circuit all the way in addition, and pulse signal is changed into sawtooth waveforms;
(5), by obtaining direct current signal after filter filtering, detected, obtained by the AD input modules of microprocessor internal The infrared signal value of return, its numerical value is with from being inversely proportional with a distance from photoelectric tube, after microprocessor calculates the value of gesture movement, changing Into dim signal;
(6) after, microprocessor calculates light modulation value, according to the gesture of definition export dim signal, so as to control the switch of light source, Brightness, the change of color.
2. the implementation method of the LED dimming control systems according to claim 1 based on 3D gesture controls, its feature exist In:The reception pipe is located at the centre position in 3D gesture inductions region, and four angles in 3D gesture inductions region are respectively equipped with infrared Line transmitting tube;Upper and lower, left and right, rotation in gesture induction area are got by the numerical values recited and transmitting tube handoff procedure of AD detections Action and motion position, distance, according to AD sampled values, and can be by the delay in induction region of detection gesture when Between realize single hit and dblclick, long-press, short-press action, reach 3D gestures detections.
3. the implementation method of the LED dimming control systems according to claim 2 based on 3D gesture controls, its feature exist In:When gesture moves up, reception pipe first it is detected that the AD numerical value change processes of the transmitting tube of lower section two, with gesture after It is continuous to move up, then detect the AD numerical value changes of two transmitting tubes in top.
4. the implementation method of the LED dimming control systems according to claim 2 based on 3D gesture controls, its feature exist In:When gesture moves right, reception pipe first it is detected that the AD numerical value change processes of two, left side transmitting tube, with gesture after It is continuous to move right, then detect the AD numerical value changes of two transmitting tubes in the right.
5. a kind of implementation method of LED dimming control systems based on 3D gesture controls according to claim 1, its feature It is:Including being exported for pulse-width signal, PIO control modules, pulse width detection module, AD are inputted and micro- place of light modulation output Device is managed, microprocessor is exported by pulse-width signal, PIO controls are connected with analog switch, and analog switch connects four electric currents Amplifier, current amplifier are connected with infrared emission tube, reception pipe receiving infrared-ray transmitting tube signal, infrared emission tube with Reception pipe composition 3D gesture inductions region, reception pipe are connected with current/voltage converter circuit, and current/voltage converter circuit is successively It is connected with voltage amplifier, bandpass filter, integrating circuit, wave filter, microprocessor, bandpass filter connects with microprocessor Connect.
6. the implementation method of the LED dimming control systems according to claim 5 based on 3D gesture controls, its feature exist In:The microprocessor include pulse-width signal output module, PIO control modules, pulse width detection module, AD input modules and Dim output module;Pulse-width signal output module, PIO control modules are connected with analog switch respectively, and wave filter is defeated with AD Enter module connection, bandpass filter is connected with pulse width detection module, and light modulation output module is connected with light source.
7. the implementation method of the LED dimming control systems according to claim 6 based on 3D gesture controls, its feature exist In:The reception pipe is located at the centre position in 3D gesture inductions region, and four angles in 3D gesture inductions region are respectively equipped with infrared Line transmitting tube.
8. the implementation method of the LED dimming control systems according to claim 7 based on 3D gesture controls, its feature exist In:The timer for being used for producing distinct pulse widths pulse signal is provided with the microprocessor.
9. the implementation method of the LED dimming control systems according to claim 8 based on 3D gesture controls, its feature exist In:The light source is LED light source.
CN201610716237.9A 2016-08-24 2016-08-24 A kind of LED dimming control systems and its implementation based on 3D gesture controls CN106211470B (en)

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KR20100041006A (en) * 2008-10-13 2010-04-22 엘지전자 주식회사 A user interface controlling method using three dimension multi-touch
CN101794171A (en) * 2010-01-29 2010-08-04 广州酷智电子科技有限公司 Wireless induction interactive system based on infrared light motion capture
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CN102892228A (en) * 2012-09-21 2013-01-23 黄俊礼 Infrared gesture dimming system and logic and analog control method thereof
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CN103576861A (en) * 2013-11-18 2014-02-12 谢元澄 Non-touch gesture control system
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CN105430840A (en) * 2015-11-27 2016-03-23 苏州市职业大学 LED lighting controller based on gesture and automatic control and control method
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