CN201797628U - Intelligent lighting control system - Google Patents
Intelligent lighting control system Download PDFInfo
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- CN201797628U CN201797628U CN2010205317369U CN201020531736U CN201797628U CN 201797628 U CN201797628 U CN 201797628U CN 2010205317369 U CN2010205317369 U CN 2010205317369U CN 201020531736 U CN201020531736 U CN 201020531736U CN 201797628 U CN201797628 U CN 201797628U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The utility model provides an intelligent lighting control system. The intelligent lighting control system comprises a trigger switch unit, a normal selection circuit unit, a light detecting unit, a control processing unit and a power source unit. The trigger switch unit generates a trigger signal by means of environment detection or manual operation; the value of normal duty ratio is determined by the electric level state of the normal selection circuit unit; the light detecting unit detects the brightness of the ambient light under the control of the control processing unit; and according to the input states of the trigger switch unit and the normal selection circuit unit and the state of ambient light brightness detection of the light detecting unit, in combination with the preset light brightness threshold value, the normal duty ratio, the trigger state duty ratio and the trigger state time-length, the control processing unit adjusts the duty ratio of the PWM signal output of the control processing unit, thereby achieving the intelligent control of on/off and brightness of the lighting element and reducing the power-on loss of the control processing unit. The utility model has the advantages of high integrity, low energy consumption, stable performance and flexible setting.
Description
Technical field
The utility model relates to the lighting control technique field, is specifically related to a kind of intelligent lighting system.
Background technology
Since having entered incandescent lamp since the epoch, lighting technology is develop rapidly with the progress of association area, and particularly light-emitting diode (Light-Emitting Diode is called for short LED) illumination and control technology thereof become the frontier development of lighting technical field especially.The LED illumination, omnibearing technical advantage such as, low energy consumption little, easy of integration with its volume, long-life and coloured light are adjustable, it is the research focus of lighting technical field always, especially in the today of advocating low-carbon energy-saving energetically, the LED lighting technology of low energy consumption has more embodied its wide application development space at industrial lighting and domestic lighting.At present, for the research of the lighting control technique of LED with use and obtained suitable achievement.For example, pulse width modulation (Pulse WidthModulation, be called for short PWM) application of technology in LED illumination control, produce pwm signal and input to the LED power driving circuit by the PWM controller, under the pwm signal control of different duty, the different driving power of drive circuit output is given the LED lamp, reaches the purpose of adjusting LED lamp luminous intensity.
Lighting control technique based on PWM also is widely used in people's daily life.The led circuit of a lot of family expenses is exactly to adopt the PWM controller that connects power supply as control circuit (as shown in Figure 1), produce pwm signal by the PWM controller and be used to control led drive circuit, realize the on/off control of pwm signal by the opening/closing power supply, thereby control the ON/OFF of LED lamp; According to the different demands of user to LED lamp unlatching brightness, can set in advance the duty ratio of PWM controller output pwm signal, design the LED illumination control circuits of different control brightness.At the initial stage, the PWM controller adopts the logic gate array circuit of syndeton complexity to realize, because its annexation and signal logic relation are complicated, general technical staff is difficult to grasp; And the structure of logic gate array circuit is once determining that the duty ratio of the pwm signal of its output is also promptly determined, at requirements of different users, just needs design PWM controller hardware circuit, very trouble separately.Progress along with software engineering, the technology that realizes the PWM controller with programmable logic device or microprocessor is ripe gradually, by programmable logic device or microprocessor programming output pwm signal, the adjustment program can change the duty ratio of output pwm signal, need not to do hardware adjustment, solved logic gate array circuit structure complexity, adjusted difficult defective; But, owing to adopt the frequent startup of the mode of opening/closing power supply/close the PWM controller, cause on programmable logic device or the microprocessor electrical loss serious, influenced the useful life of programmable logic device or microprocessor; Simultaneously, adopt the control mode of opening/closing power supply also to have the single defective of controlled function, can't realize automatic, intelligentized illumination controlled function, be difficult to satisfy the forward position and quote demand.
The utility model content
At the prior art above shortcomings, the purpose of this utility model is to provide a kind of novel intelligent lighting system, can keep realizing output control by trigger switch under the long logical state of power supply, not only reduced the last electrical loss of control device, can also control the ON/OFF and the brightness of illumination component automatically according to ambient condition.
For achieving the above object, the technical scheme that the utility model adopted is as follows: a kind of intelligent lighting system comprises trigger switch unit, normality selection circuit unit, photosensitive unit, controlled processing unit and power subsystem; Described trigger switch unit, normality select circuit unit to be connected with the different I/O port of controlled processing unit respectively with photosensitive unit; Controlled processing unit is provided with the PWM output port;
Described trigger switch unit is used for producing triggering signal according to sensing or manual operation to environment, and its triggering signal is as the input of controlled processing unit;
Described normality selects circuit unit to be used to be provided with different level states, and its level state is as the input of controlled processing unit;
Described photosensitive unit carries out sensing to environmental light brightness under the control of controlled processing unit;
The PWM output port of described controlled processing unit is used to connect illumination driving circuit and illumination component, and output pwm signal; Controlled processing unit is selected the input state of circuit unit and the photosensitive unit sense conditions to environmental light brightness according to trigger switch unit and normality, in conjunction with the brightness threshold value that pre-sets, normality duty ratio, triggering attitude duty ratio and triggering attitude duration, the duty ratio of the pwm signal of corresponding adjustment output, thereby the ON/OFF and the brightness of control illumination component;
Described power subsystem is each unit power supply in the system.
As further optimization, described controlled processing unit also is provided with level control output end mouth, and this level control output end mouth is according to the state output high level or the low level of each input signal.
Particularly, described trigger switch unit is made of one or more and the switch connecting circuit in human body infrared sensing switch, audio-switch, radio remote control switch and the push-button switch, and each switch is connected with the different I/O port of controlled processing unit by its corresponding switch connecting circuit respectively.
Described photosensitive unit adopts after three resistance branch parallel connections the RC oscillating circuit that constitutes with capacitances in series again; Described three resistance branch are connected on three different I/O port of controlled processing unit respectively as sensitization branch road, thresholding branch road and detection branch; Wherein, the sensitization branch road is provided with photo resistance as photo-sensitive cell; Resistance on the thresholding branch road and sensitization branch road corresponding resistance when the brightness threshold value equates; Detection branch is used for the electric capacity charged state and detects.
Described controlled processing unit preferably adopts the PIC series monolithic to realize.
Than prior art, the utlity model has following advantage:
1, intelligent lighting system of the present utility model adopts controlled processing unit to finish simultaneously that input signal focuses on and output state signal control, has that integrated level height, energy consumption are low, the advantage of stable performance;
2, intelligent lighting system of the present utility model can be provided with multiple trigger switch simultaneously as input, as human body infrared sensing switch, audio-switch, radio remote control switch, push-button switch etc., comprehensively the sensitive context state produces triggering signal, the ON/OFF of more intelligentized control illumination component and brightness; And avoided controlling output signal, reduced the last electrical loss of controlled processing unit by the mode of frequent ON/OFF power supply;
3, intelligent lighting system of the present utility model can be provided with PWM output and level control output simultaneously, realizes the control to the variety classes illumination component, has wide range of applications;
4, intelligent lighting system of the present utility model can be provided with the normality duty ratio of pwm signal arbitrarily and trigger attitude duty ratio (duty ratio is provided with scope and is 0%～100%) by reprogramming; Behind program Solidification, also can select the level state of circuit unit that different normality duty ratios is set by changing normality, can satisfy different clients' needs more flexibly to the brightness of illumination setting.
Description of drawings
Fig. 1 is the structured flowchart of LED control circuit in the prior art;
Fig. 2 is the structured flowchart of the utility model intelligent lighting system;
Fig. 3 is the circuit theory diagrams of the utility model intelligent lighting system one execution mode.
Embodiment
Below in conjunction with drawings and Examples the technical solution of the utility model is described further.
Referring to Fig. 2.Intelligent lighting system of the present utility model comprises trigger switch unit, normality selection circuit unit, photosensitive unit, controlled processing unit and power subsystem.Controlled processing unit can adopt single-chip microcomputer or embedded processing chip to realize, take all factors into consideration factors such as control efficiency and hardware cost, the preferred PIC series monolithic that adopts, PIC series monolithic low price, economic and practical, select suitable chip model for use according to the actual port needs, realize input and output logic control and PWM control by programming, and be provided with the PWM output port, can also be provided with level control output end mouth as further optimization; The PWM output port can be used for connecting led drive circuit, controls the ON/OFF and the lightness of LED lamp by the pwm signal of exporting adjustable duty ratio; Level control output end mouth output level control signal can be used for directly controlling the ON/OFF of lighting circuit, perhaps uses as the signal cascade control port.Trigger switch unit, normality select circuit unit to be connected with the different I/O port of controlled processing unit respectively with photosensitive unit, and controlled processing unit selects the input state of circuit unit and photosensitive unit that the sense conditions of environmental light brightness is carried out data logical process and signal output control according to trigger switch unit and normality.When system design, set in advance following parameter: 1. brightness threshold value L0; 2. the normality duty ratio V2 of varying level state correspondence
i(i=1,2 ..., n; N is the level state quantity that can be provided with in the normality selection circuit unit, selects the particular circuit configurations decision that circuit unit adopted by normality); 3. trigger attitude duty ratio V1; 4. trigger attitude duration T1.In the application of control system, by being set, normality select the level state of circuit unit to select the value of normality duty ratio V2, this normality selects circuit unit can adopt one or more high/low level circuit, level state to input is cured setting, also can adopt the level switching switch circuit, change the level setting so that the user adjusts the diverter switch state at any time according to its control needs, select different normality duty ratios flexibly; Photosensitive unit is arranged in the lighting environment, can adopt special-purpose sensitization checkout equipment or homemade photosensitive circuit to realize, according to the control of controlled processing unit environmental light brightness is carried out sensing; The trigger switch unit also is arranged in the lighting environment, can adopt the corresponding switch connecting circuit of one or more and each switch in the different trigger switches such as human body infrared sensing switch, audio-switch, radio remote control switch and push-button switch to constitute, produce triggering signal according to induction or manual operation to environment, allow controlled processing unit when environmental light brightness is more weak, trigger the control pwm signal to trigger the output of attitude duty ratio by programming by triggering signal, begin to trigger attitude duration T1 timing simultaneously, the T1 timing time is normality duty ratio V2 output to promptly recovering pwm signal; ,, trigger attitude duration T1 timing meeting and restart when triggering attitude duty ratio output pwm signal at controlled processing unit, guarantee the flicker free Sustainable Control of triggering state if the trigger switch unit sends triggering signal once more.
A specific implementation further introducing the utility model intelligent lighting system below by an embodiment with and control method.
Embodiment:
Present embodiment is to be used for the control of throwing light on of family's LED lamp, led drive circuit and LED lamp are former being installed in the home circuit, what adopt before this is that the mode of direct ON/OFF power supply is controlled the LED lamp, must realize the open and close lamp by manual manual operation switch's button, now adopt intelligent lighting system of the present utility model that the LED lighting circuit is improved.
The circuit theory diagrams of present embodiment intelligent lighting system as shown in Figure 3.Based on to the taking all factors into consideration of port number and cost control, controlled processing unit has been selected the PIC16C54 model single-chip microcomputer of PIC series for use in the present embodiment.The trigger switch unit that is connected with single-chip microcomputer comprises: a radio remote control switch, be arranged on the LED lamp socket, and when receiving the wireless remote control signal of supporting with it remote controller, produce triggering signal; A human body infrared sensing switch is arranged near the ceiling the LED lamp socket, produces triggering signal when human body infrared sensing; An audio-switch is provided with on the wall in room, LED lamp place, produces triggering signal when the room volume surpasses its default decibel value; Two push-button switches, first push-button switch are arranged on doorway, room, LED lamp place, and second push-button switch is arranged on the doorway, bedroom, and two all long logical low levels of push-button switch produce triggering signal when button is pressed the connection high level; Five switches in the trigger switch unit are connected respectively to I/O port RB0, RB1, RB2, RB3 and the RB4 of single-chip microcomputer, and the triggering signal of five switches is respectively as the input of single-chip microcomputer.Normality selects circuit unit to select for use two earth resistance R1 and R2 to constitute I/O port RA0 and the RA1 that two groups of low-level circuits are connected respectively to single-chip microcomputer, its level state inputs to single-chip microcomputer respectively, insert or do not insert by being chosen in two groups of low-level circuits that resistance is provided with port RA0 and RA1 is input as low level or high-impedance state, thereby two groups of low-level circuits can be respectively applied for corresponding 4 the different normality duty ratio value of setting V2 by constituting 4 kinds of different level state inputs
1, V2
2, V2
3And V2
4, as shown in table 1:
Table 1
It is that the photo resistance R10 of 100K Ω～500K Ω is as photo-sensitive cell, with resistance R 12 and resistance combination R9+R9 that photosensitive unit has been selected Standard resistance range for use
*After the parallel connection, connecting with capacitor C 4 constitutes RC oscillating circuit, R12, R10 and R9+R9 again
*The place branch road is connected to single-chip processor i/o port RB5, RB6 and RB7 respectively as detection branch, sensitization branch road and thresholding branch road; With R9+R9
*Value be set to the resistance of photo resistance R10 correspondence when brightness threshold value L0, change the discharging and recharging of I/O State Control capacitor C 4 of port RB5, RB6 and RB7 by single-chip microcomputer, and the RC charging interval T of R10 place branch road relatively
SenAnd R9+R9
*The RC charging interval T of place branch road
Ref, work as T
Sen〉=T
RefThe time show that the resistance of R10 is more than or equal to R9+R9
*, then judge environmental light brightness smaller or equal to brightness threshold value (resistance of photo resistance strengthens with ambient light intensity and reduces), instead then also anti-, thus reach the purpose that sensitization detects.Utilize single-chip processor i/o port and sensitization resistance R C oscillating circuit to carry out the brightness sensing, not only circuit structure is simple, also further reduced the hardware cost of photosensitive circuit, its concrete control procedure that realizes the sensitization detection is as follows: at first, one-chip machine port RB5, RB6 and RB7 all are set to output state and output low level, are capacitor C 4 discharges; Then, port RB5, RB6 are set are the input attitude, RB7 is output state and output high level, and electric current is via R9+R9
*The thresholding branch road at place is capacitor C 4 chargings, is high level until detecting port RB5 by the low level upset, record RC charging interval T
RefAllow the equal output low level of port RB5, RB6 and RB7 be capacitor C 4 discharge once more, port RB5, RB7 are set then are the input attitude, RB6 is output state and output high level, electric current is capacitor C 4 chargings via the sensitization branch road at R10 place, is high level until detecting port RB5 by the low level upset, record RC charging interval T
SenCompare T
SenAnd T
RefValue can judge the resistance state of photo resistance R10; Loop cycle is carried out above-mentioned steps, realizes that promptly the real-time sensitization of environmental light brightness detects.System power supply is VCC, adopts the 5V power supply.Single-chip microcomputer is provided with PWM output port RA2, is connected to led drive circuit, by the power output of the real-time control Driver Circuit of output pwm signal, thus the ON/OFF and the brightness of control LED lamp.In single-chip microcomputer, pre-set and trigger attitude duty ratio V1=90%, trigger attitude duration T1=60s; The brightness threshold value is directly by R9+R9
*Determine, set R9+R9
*=247K Ω, the brightness of correspondence when promptly being equivalent to set brightness threshold value L0 and being photo resistance R10 resistance and being 247K Ω; The normality duty ratio of 4 level state correspondences is set to V2 respectively
1=0%, V2
2=20%, V2
3=30%, V2
4=50%, owing to select to have inserted simultaneously resistance R 1 in the side circuit and R2 constitutes two groups of low levels inputs, to select according to the corresponding relation shown in the table 1, the final normality duty ratio of setting is V2=V2
1=0%.After finishing above-mentioned preset value, start this intelligent lighting system, single-chip microcomputer promptly starts the illumination control procedure, and its concrete illumination controlled step is as follows:
1) single-chip microcomputer carries out initialization by pre-seting, and determines to be provided with and triggers attitude duty ratio V1=90%, triggering attitude duration T1=60s, simultaneously by solidifying the R9+R9 that is provided with
*Resistance has determined brightness threshold value L0; And read the level state that normality is selected circuit unit, determine the value V2=V2 of normality duty ratio
1=0%;
2) value that the PWM register is set is V2=0%, by PWM output port output pwm signal, and the duty ratio of pressing the value control pwm signal of PWM register;
3) carry out a response time-delay Ts=10ms (purpose that the response time-delay is set is to guarantee that single-chip microcomputer finishes the intermediate controlled step of each program threads by the clock cycle, is equivalent to and waits for time-delay); Then, judge the value of current PWM register, if V2, execution in step 4); If V1, then execution in step 5);
4) detect the resistance state of judging photo resistance R10, if the resistance of R10 is less than R9+R9
*(being equivalent to current environmental light brightness greater than brightness threshold value L0), then keeping the value of PWM register is V2, returns step 3); If the resistance of R10 is more than or equal to R9+R9
*(being equivalent to current environmental light brightness smaller or equal to brightness threshold value L0), then execution in step 5);
5) detect the input state of each trigger switch, if triggering signal input arbitrarily, execution in step 6 are arranged); Otherwise, execution in step 7);
6) value that the PWM register is set is V1=90%; Pick up counting by T1=60s simultaneously,, then its timing is resetted, restart the 60s timing if the 60s timing begins; The value of pressing the PWM register is adjusted the duty ratio of pwm signal, returns step 3) then;
7) state of judgement 60s timing if the time of 60s timing does not arrive, then keeps triggering attitude duty ratio state of a control, returns step 3); Time is up as if the 60s timing, and the value that the PWM register then is set is V2=0%, and the value of pressing the PWM register is adjusted the duty ratio of pwm signal, returns step 3) then.
What deserves to be explained is that in the Single-chip Controlling program, the timing that triggers corresponding duration T1=60s belongs to different control threads with the timing of operating lag, the timing course of the two does not disturb mutually.By above-mentioned control, the every 10ms of this intelligent lighting system promptly detects the resistance state of PWM buffer status of judgement and photo resistance R10, when (value that is current PWM register is under the situation of normality duty ratio 0%) environmental light brightness under turn-off weakens the resistance during less than 247K Ω that causes R10, in a single day single-chip microcomputer detects any triggering signal input of five trigger switches, PWM register=90% just is set immediately, output duty cycle is 90% pwm signal, light the LED lamp, and start timing in 1 minute, PWM register=0% is set again closes the LED lamp until timing in 1 minute is intact; If the situation of repeated trigger is arranged, then timing meeting in 1 minute restarts during the LED lamp is lighted, thereby guarantees people in the room when continuously active or relight button switch, and the LED lamp can keep the uninterrupted illumination that continues.
In addition, on single-chip microcomputer, also be provided with a level control output end mouth RA3, the level state of its output is determined according to the duty ratio controlled condition of pwm signal, port RA3 is output as low level when PWM output port RA2 exports with the normality duty ratio, and port RA3 is output as high level when PWM output port RA2 exports to trigger the attitude duty ratio.This level control output end mouth RA3 is temporarily given over to standby, can use as control switch afterwards, also but the PWM controller of a routine of cascade or the processor controls that is cascaded to another the utility model intelligence control system be as control input signals, thereby control the illumination of another group LED lamp.
By as seen above-mentioned, after adopting intelligent lighting system improvement of the present utility model, the LED of this family lamp has been realized intelligentized braking control, when brightness in the room is not enough, have only the people movable or sound in the room, perhaps start radio remote control switch, push-button switch, the LED lamp just can light automatically with 90% power, continue to people withdraw from a room the back self-timing close; When brightness was sufficient in the daytime room, the LED lamp just kept closed condition, carries out Energy Saving Control.
In the foregoing description, if room, LED lamp place need keep the illumination of low light level normality, can be directly according to establishing normality and select resistance R 1 in the circuit unit shown in the table 1 or/and the access state of R2 to changing with relation, constitute different level states and input to single-chip microcomputer, can allow the LED lamp keep 20% (V2 in normality
2), 30% (V2
3) or 50% (V2
4) brightness of power, after the triggering again the power with 90% light.Simultaneously, 4 normality duty ratio V2 that can be provided with
1, V2
2, V2
3, V2
4Value and the value that triggers attitude duty ratio V1 also can be provided with arbitrarily according to different clients' needs, brightness threshold value L0 also can carry out different settings according to the applied environment of reality with triggering attitude duration T1, convenient, flexible, make intelligent lighting system of the present utility model can be applied to various illumination and control environment.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (5)
1. an intelligent lighting system is characterized in that: comprise trigger switch unit, normality selection circuit unit, photosensitive unit, controlled processing unit and power subsystem; Described trigger switch unit, normality select circuit unit to be connected with the different I/O port of controlled processing unit respectively with photosensitive unit; Controlled processing unit is provided with the PWM output port;
Described trigger switch unit is used for producing triggering signal according to sensing or manual operation to environment, and its triggering signal is as the input of controlled processing unit;
Described normality selects circuit unit to be used to be provided with different level states, and its level state is as the input of controlled processing unit;
Described photosensitive unit carries out sensing to environmental light brightness under the control of controlled processing unit;
The PWM output port of described controlled processing unit is used to connect illumination driving circuit and illumination component, and output pwm signal; Controlled processing unit is selected the input state of circuit unit and the photosensitive unit sense conditions to environmental light brightness according to trigger switch unit and normality, in conjunction with the brightness threshold value that pre-sets, normality duty ratio, triggering attitude duty ratio and triggering attitude duration, the duty ratio of the pwm signal of corresponding adjustment output, thereby the ON/OFF and the brightness of control illumination component;
Described power subsystem is each unit power supply in the system.
2. intelligent lighting system according to claim 1 is characterized in that: described controlled processing unit also is provided with level control output end mouth, and this level control output end mouth is according to the state output high level or the low level of each input signal.
3. intelligent lighting system according to claim 1 and 2, it is characterized in that: described trigger switch unit is made of one or more and the switch connecting circuit in human body infrared sensing switch, audio-switch, radio remote control switch and the push-button switch, and each switch is connected with the different I/O port of controlled processing unit by its corresponding switch connecting circuit respectively.
4. intelligent lighting system according to claim 1 and 2 is characterized in that: described photosensitive unit adopts after three resistance branch parallel connections the RC oscillating circuit that constitutes with capacitances in series again; Described three resistance branch are connected on three different I/O port of controlled processing unit respectively as sensitization branch road, thresholding branch road and detection branch; Wherein, the sensitization branch road is provided with photo resistance as photo-sensitive cell; Resistance on the thresholding branch road and sensitization branch road corresponding resistance when the brightness threshold value equates; Detection branch is used for the electric capacity charged state and detects.
5. intelligent lighting system according to claim 1 and 2 is characterized in that: described controlled processing unit adopts the PIC series monolithic to realize.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101938875A (en) * | 2010-09-16 | 2011-01-05 | 重庆特光照明电器有限公司 | Intelligent illumination control system and control method thereof |
| CN102264182A (en) * | 2011-08-26 | 2011-11-30 | 王润辉 | Automatic time delay energy saving lamp |
| CN103716944A (en) * | 2012-09-29 | 2014-04-09 | 东莞巨扬电器有限公司 | Lighting control device, lighting control system and lighting control method |
| CN104025717A (en) * | 2011-11-03 | 2014-09-03 | 施耐德电气东南亚(总部)有限公司 | Dimmer arrangement |
| CN104320888A (en) * | 2014-11-07 | 2015-01-28 | 广西大学 | Timed sound control lamp |
| CN104501256A (en) * | 2014-12-12 | 2015-04-08 | 浙江帅康电气股份有限公司 | Manual-automatic integrated flapping type near extractor hood |
| CN104809278A (en) * | 2015-04-15 | 2015-07-29 | 上海信耀电子有限公司 | Method and system for generating multiple paths of PWM (pulse width modulation) waves |
| CN105182294A (en) * | 2015-09-15 | 2015-12-23 | 浙江嘉乐智能技术有限公司 | Wireless-control-based radar equipment adjusting device and method |
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2010
- 2010-09-16 CN CN2010205317369U patent/CN201797628U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101938875A (en) * | 2010-09-16 | 2011-01-05 | 重庆特光照明电器有限公司 | Intelligent illumination control system and control method thereof |
| CN101938875B (en) * | 2010-09-16 | 2013-05-15 | 重庆特光照明电器有限公司 | Intelligent illumination control system and control method thereof |
| CN102264182A (en) * | 2011-08-26 | 2011-11-30 | 王润辉 | Automatic time delay energy saving lamp |
| CN104025717A (en) * | 2011-11-03 | 2014-09-03 | 施耐德电气东南亚(总部)有限公司 | Dimmer arrangement |
| CN104025717B (en) * | 2011-11-03 | 2016-06-22 | 施耐德电气东南亚(总部)有限公司 | Phase-controlled dimming system and method |
| CN103716944A (en) * | 2012-09-29 | 2014-04-09 | 东莞巨扬电器有限公司 | Lighting control device, lighting control system and lighting control method |
| CN104320888A (en) * | 2014-11-07 | 2015-01-28 | 广西大学 | Timed sound control lamp |
| CN104501256A (en) * | 2014-12-12 | 2015-04-08 | 浙江帅康电气股份有限公司 | Manual-automatic integrated flapping type near extractor hood |
| CN104809278A (en) * | 2015-04-15 | 2015-07-29 | 上海信耀电子有限公司 | Method and system for generating multiple paths of PWM (pulse width modulation) waves |
| CN104809278B (en) * | 2015-04-15 | 2019-01-11 | 上海信耀电子有限公司 | Multi-channel PWM wave generation method and system |
| CN105182294A (en) * | 2015-09-15 | 2015-12-23 | 浙江嘉乐智能技术有限公司 | Wireless-control-based radar equipment adjusting device and method |
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Granted publication date: 20110413 Termination date: 20130916 |