CN104168703A - Driving method and device for wirelessly controlling LED illuminating system - Google Patents
Driving method and device for wirelessly controlling LED illuminating system Download PDFInfo
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- CN104168703A CN104168703A CN201410428757.0A CN201410428757A CN104168703A CN 104168703 A CN104168703 A CN 104168703A CN 201410428757 A CN201410428757 A CN 201410428757A CN 104168703 A CN104168703 A CN 104168703A
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Abstract
The invention relates to the field of LED illumination, and discloses a driving method and device for wirelessly controlling an LED illuminating system. The driving method for wirelessly controlling the LED illuminating system is characterized by comprising the steps that a wireless receiving unit receives radio signals, and sends control information to a control unit; the control unit receives the control information and feedback information sent by a power factor control unit, a first control signal is sent to the power factor control unit, and a second control signal is sent to a zero-voltage-switching control unit; the power factor control unit receives the first control signal, the zero-voltage-switching control unit receives the second control signal, and isolation voltage conversion and currents/voltages are changed to detect output currents of the control unit or detect whether the output currents of the control unit exist or not. The work state of the power factor control unit and the work state of the zero-voltage-switching control unit are changed, finally isolation voltage conversion and the currents/voltages are changed to detect the output currents of the control unit or detect whether the output currents of the control unit exist or not, and therefore the LED illuminating system can be remotely and wirelessly controlled.
Description
Technical field
The present invention relates to LED field of illumination systems, particularly, relate to a kind of driving method and device of wirelessly controlled LED illuminator.
Background technology
In modern lighting system, LED(light-emitting diode, Light Emitting Diode) as a kind of clean light source of environmental protection, in recent years, obtained the development of advancing by leaps and bounds.Due to LED, to have the life-span long, energy saving, and the plurality of advantages such as application is simple, with low cost obtains the application of magnanimity in Portable illumination, home lighting, industrial lighting and automobile lighting system.LED light source is as a kind of low-voltage, large driven current density device, its characteristics of luminescence and electric current are most important, electric current causes excessively by force the weak of LED light, electric current can affect the luminous intensity of LED a little less than crossing, therefore in order to fully demonstrate the illumination advantage of LED, demand motive device, for LED lamp provides constant current, has both guaranteed the fail safe of LED lamp, can reach desirable luminous intensity again simultaneously.
In LED lamp illuminating system, conventional drive unit is generally divided into two classes, and a class is common isolating switch power or Unisolated switch power supply, the immutable LED drive unit of its output voltage or electric current; Another kind of is the variable LED drive unit of output voltage or electric current.At present on the market, output voltage or electric current variable L ED drive unit have following two kinds of structures and type of drive.In the first drive unit, exist a special voltage (0-10V) to adjust interface and be connected with the outside control box of adjusting, user regulates or controls (being generally power line carrier mode) by the described outside control box of adjusting to the output voltage of LED drive unit or electric current.In the second drive unit, in regular tap power supply peripheral circuit, there is a micro-control unit (MCU, Micro Control Unit), when production control device, by the mode of program curing, solidify output voltage or the curent change time of LED drive unit.
Current these two kinds of type of drive on the market have following two shortcomings, and the one, its control mode has certain limitation, cannot realize remote wireless control.For example the first type of drive is still based on there being thread path, must the master switch of power transmission and distribution point be controlled and could be realized.The 2nd, drive unit cost is high, complex structure.For example the second type of drive still needs an external independent control box, and described control box is expensive, only on the same expensive street lamp of price, uses at present, is unfavorable for the application popularization of LED illuminator.Therefore need to provide a kind of technical scheme to solve current LED illuminator and control the problem inconvenient, deployment cost is high, thereby meet the growing actual demand of user.
Summary of the invention
For current LED illuminator control inconvenient, deployment cost is high, can not meet the technical problem of user's actual need, the invention provides a kind of Driving technique scheme of wirelessly controlled LED illuminator, can realize remote wireless control LED illuminator, no longer need external independent control box, reduce extra cost.
The technical solution used in the present invention, one side provides a kind of driving method of wirelessly controlled LED illuminator, it is characterized in that, comprising: radio receiving unit receives radio signals, and to control unit, sends control information; Control unit receives the feedback information of described control information and the transmission of power factor controlling unit, to power factor controlling unit, sends the first control signal, to zero voltage switch control unit, sends the second control signal; Power factor controlling unit receives described the first control signal, zero voltage switch control unit receives described the second control signal, change size or the no existence of isolation voltage conversion and current/voltage detection control unit output current, thereby complete the remote wireless control to LED illuminator.
The technical solution used in the present invention, a kind of drive unit of wirelessly controlled LED illuminator is provided on the other hand, it is characterized in that, comprising: power input, drive output, DC power source unit, power factor controlling unit, by-pass unit, zero voltage switch control unit, radio receiving unit, control unit and isolation voltage change and current/voltage detection control unit; Described radio receiving unit is used for receiving radio signals, and to described control unit, sends control information; The feedback information that described control unit sends for receiving described control information and described power factor controlling unit, sends the first control signal to described power factor controlling unit, to described zero voltage switch control unit, sends the second control signal; Described power factor controlling unit is used for receiving described the first control signal, described zero voltage switch control unit is used for receiving described the second control signal, change size or the no existence of described isolation voltage conversion and current/voltage detection control unit output current, thereby complete the remote wireless control to LED illuminator.
Described power input is connected to described DC power source unit input, the output of described radio receiving unit is connected to the first input end of described control unit, the first output of control unit is connected to the input of described power factor controlling unit, the second output of control unit is connected to the second input of described zero voltage switch control unit, the first output of power factor controlling unit is connected to the input of described by-pass unit, the second output of power factor controlling unit is connected to the second input of control unit, the output of by-pass unit is connected to the first input end of zero voltage switch control unit, zero voltage switch control output end is connected to the input of described isolation voltage conversion and current/voltage detection control unit, the output of isolation voltage conversion and current/voltage detection control unit is connected to drive output.
To sum up, the invention provides a kind of driving method and device of wirelessly controlled LED illuminator, the operating state of controlling described power factor controlling unit and described zero voltage switch control unit by the described control unit of described radio receiving unit and cooperation with it, finally completes the output current of LED illuminator drive unit is carried out to remote wireless control or adjustment.On the one hand, technical scheme of the present invention has solved the problem of remote wireless control LED illuminator, is user-friendly to and promotes user and experience.On the other hand, technical scheme of the present invention does not need separately to connect expensive independent control device, provides cost savings, and is more beneficial to the universal of LED illuminator.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the drive unit fundamental diagram of wirelessly controlled LED illuminator of the present invention.
Fig. 2 is the circuit theory diagrams of the drive unit way of example of the first wirelessly controlled LED illuminator of the present invention.
Fig. 3 is the circuit theory diagrams of the drive unit way of example of the second wirelessly controlled LED illuminator of the present invention.
Embodiment
Hereinafter with reference to accompanying drawing, by way of example, describe driving method and the device of wirelessly controlled LED illuminator provided by the invention in detail.At this, it should be noted that, for the explanation of these way of example, be used for helping to understand the present invention, but do not form limitation of the invention.
Various technology described herein can for but be not limited to driving method and the device of wirelessly controlled LED illuminator, can also be for other similar field, the for example driving method of controlled in wireless display system and device, the driving method of controlled in wireless microwave oven system and device, and the driving method in other controlled in wireless field and device.
Term "and/or" herein, it is only a kind of incidence relation of describing affiliated partner, can there are three kinds of relations in expression, for example, and A and/or B, can represent: individualism A,, there are tri-kinds of situations of A and B, in addition in individualism B simultaneously, character "/", generally represents that forward-backward correlation is to liking a kind of "or" relation herein.
On the one hand, the invention provides a kind of driving method of wirelessly controlled LED illuminator, it is characterized in that, comprising: radio receiving unit receives radio signals, to control unit, send control information; Control unit receives the feedback information of described control information and the transmission of power factor controlling unit, to power factor controlling unit, sends the first control signal, to zero voltage switch control unit, sends the second control signal; Power factor controlling unit receives described the first control signal, zero voltage switch control unit receives described the second control signal, change size or the no existence of isolation voltage conversion and current/voltage detection control unit output current, thereby complete the remote wireless control to LED illuminator.
On the other hand as shown in Figure 1, the invention provides a kind of drive unit of wirelessly controlled LED illuminator, comprise: power input, drive output, DC power source unit, power factor controlling unit, by-pass unit, zero voltage switch control unit, radio receiving unit, control unit and isolation voltage change and current/voltage detection control unit; Described radio receiving unit is used for receiving radio signals, and to described control unit, sends control information; The feedback information that described control unit sends for receiving described control information and described power factor controlling unit, sends the first control signal to described power factor controlling unit, to described zero voltage switch control unit, sends the second control signal.Described power factor controlling unit is used for receiving described the first control signal, described zero voltage switch control unit is used for receiving described the second control signal, change size or the no existence of isolation voltage conversion and current/voltage detection control unit output current, thereby complete the remote wireless control to LED illuminator.
Described power input is connected to described DC power source unit input, the output of described radio receiving unit is connected to the first input end of described control unit, the first output of control unit is connected to the input of described power factor controlling unit, the second output of control unit is connected to the second input of described zero voltage switch control unit, the first output of power factor controlling unit is connected to the input of described by-pass unit, the second output of power factor controlling unit is connected to the second input of control unit, the output of by-pass unit is connected to the first input end of zero voltage switch control unit, zero voltage switch control output end is connected to the input of described isolation voltage conversion and current/voltage detection control unit, the output of isolation voltage conversion and current/voltage detection control unit is connected to drive output.
Below in conjunction with specific embodiment, driving method and the device of comprehensive wirelessly controlled LED illuminator provided by the invention are described in detail.
Embodiment mono-, and Fig. 2 shows the physical circuit schematic diagram of the drive unit execution mode of the first wirelessly controlled LED illuminator of the present invention.
Shown in Fig. 2, the drive unit of described the first wirelessly controlled LED illuminator, comprise: power input, drive output, DC power source unit, power factor controlling unit, by-pass unit, zero voltage switch control unit, RF433 radio receiving unit, micro-control unit, and isolation voltage changes and current/voltage detection control unit.
Described power input is connected to described DC power source unit input.DC power source unit is used to described power factor controlling unit, described by-pass unit, described zero voltage switch control unit, described radio receiving unit, described control unit and the conversion of described isolation voltage and current/voltage detection control unit provide operating voltage. and described DC power source unit comprises rectification and filter unit and DC-DC unit, described power input is connected to the input of rectification and filter unit, and the output of rectification and filter unit is connected to the output of DC-DC.Rectification and filter unit are for being transformed into the needed direct-current working volts of back-end circuit work by the alternating voltage (being generally 220V alternating voltage) of power input input, the AC signal producing when the high-frequency signal producing in the interference waveform in the external electrical network of filtration elimination simultaneously and back-end circuit or concussion, prevents the cross pollution between external electrical network and back-end circuit.Described back-end circuit comprises described DC-DC power supply unit, described power factor controlling unit, described zero voltage switch control unit, described RF433 radio receiving unit, described micro-control unit and described isolation voltage change and current/voltage detection control unit.Described DC-DC power supply is for converting the high direct voltage (36V or 48V) of rectification and filter unit output to digital circuit or the needed low pressure of control circuit (being generally 5V or 12V).Described digital circuit or control circuit comprise described power factor controlling unit, described zero voltage switch control unit, and described RF433 radio receiving unit, described micro-control unit and described isolation voltage change and current/voltage detection control unit.Described rectification and filter unit and described DC-DC power supply unit are prior art, the function that those of ordinary skill in the art is corresponding according to it, do not need the work of initiative property just can obtain corresponding hardware configuration, for example bridge rectifier of the prior art or DC-DC power supply circuit.
The output of described RF433 radio receiving unit is connected to the first input end of described micro-control unit, the first output of micro-control unit is connected to the input of described power factor controlling unit, the second output of micro-control unit is connected to the second input of described zero voltage switch control unit, the first output of power factor controlling unit is connected to the input of described by-pass unit, the second output of power factor controlling unit is connected to the second input of micro-control unit, the output of by-pass unit is connected to the first input end of zero voltage switch control unit, zero voltage switch control output end is connected to the input of described isolation voltage conversion and current/voltage detection control unit, the output of isolation voltage conversion and current/voltage detection control unit is connected to drive output.
Described RF433 radio receiving unit comprises wireless ASK/OOK receiving chip SYN450R, for receiving the radiofrequency signal that is operated in 433MHz, to described micro-control unit, sends control information.
Described micro-control unit comprises 8 microcontroller chips able to programme and at least one PWM(Pulse Width Modulation, pulse width modulation) transmitter, for receiving the control information of described RF433 radio receiving unit transmission and the feedback information that described power factor controlling unit sends, and send the first control signal to described power factor controlling unit, to described zero voltage switch control unit, send the second control signal.The feedback information that the control information that described 8 microcontroller chips able to programme send for the treatment of described RF433 radio receiving unit and described power factor controlling unit send.Described PWM transmitter is for sending the second control signal to described zero voltage switch control unit, the number of PWM transmitter determines the drivable LED lighting module of drive unit, for example the number of PWM transmitter is 6, can 6 groups of LED lighting modules of remote wireless control.
The first control signal that described power factor controlling unit sends for receiving described micro-control unit, the second control signal that described zero voltage switch control unit sends for receiving micro-control unit, described isolation voltage conversion and voltage/current detection unit, for cooperating with power factor controlling unit and zero voltage switch control unit, change size or the no existence of isolation voltage conversion and current/voltage detection control unit output current.Meanwhile, described power factor controlling unit sends feedback information to micro-control unit, and feedback information comprises the current contents such as power factor value in power factor controlling unit, so that micro-control unit is controlled more accurately.Described power factor controlling unit, zero voltage switch control unit and isolation voltage conversion and voltage/current detection unit are prior art, the function that those of ordinary skill in the art is corresponding according to it, do not need creationary work just can obtain corresponding hardware configuration, for example adopt on the market power correction chip L6563TR as finished product power factor controller and the Zero-voltage switch full-bridge PWM controller ISL78223 of main control chip, isolation voltage conversion of the prior art and voltage/current detection circuit.
Described by-pass unit comprises at least one earth capacitor C 11.Described by-pass unit is for the output voltage/electric current of steady described power factor controlling unit, and filter and eliminate the spurious signal that described power factor controlling unit produces, as a stable equivalent voltage source, make the switching characteristic of described zero voltage switch control unit more stable simultaneously.Capacitor C 11 in described by-pass unit is owing to possessing bypass characteristic, the AC signal that is mixed with high-frequency current and low-frequency current can be eliminated by bypass, therefore in the present invention for stablizing the output voltage of described power factor controlling unit, and the bypass mode by ground connection filters and eliminates the spurious signal that described power factor controlling unit produces.From frequency domain angle, described spurious signal is generally the ac signal with uncertain frequency, can eliminate by shunt capacitance.
The workflow of the drive unit of described wirelessly controlled LED illuminator or driving method are following detailed description.
In DC power source unit, arrangement and filter unit and DC-DC power supply unit are described power factor controlling unit, described by-pass unit, described zero voltage switch control unit, described RF433 radio receiving unit, described control unit and the conversion of described isolation voltage and current/voltage detection control unit provide operating voltage.
RF433 radio receiving unit receives radio signals, and to micro-control unit, sends control information.
The antenna reception of described RF433 wireless receiving module is operated in the radiofrequency signal of 433MHz, and described radiofrequency signal is radio signal, the command content that it sends and comprise other accessory drive output currents such as opening or close from far-end.Through radio receiving unit internal wireless ASK/OOK receiving chip, SYN450R processes after described radiofrequency signal, generation comprises described unlatching or the control information of the command content of other accessory drive output currents such as closes, and to the first input end of described micro-control unit, sends described control information with the digital information form of low and high level.
Micro-control unit receives the feedback information of described control information and the transmission of power factor controlling unit, to power factor controlling unit, sends the first control signal, to zero voltage switch control unit, sends the second control signal.
Described micro-control unit receives the control information of described RF433 wireless receiving module transmission and the feedback information that described power factor controlling unit sends, 8 microcontroller chips able to programme in micro-control unit are according to the content of control program identification control information and feedback information, further according to the content of the content of control information and feedback information, produce the first control signal that described power factor controlling unit is controlled, according to the content of the content of control information and feedback information, produce the second control signal that described zero voltage switch control circuit is controlled.Through described 8 microcontroller chips able to programme, process after described control information and feedback information, digital signal form with low and high level, input to described power factor controlling unit sends described the first control signal, the digital signal form with low and high level by the PWM transmitter in described micro-control unit simultaneously, sends described the second control signal to the second input of described zero voltage switch control unit.
Power factor controlling unit receives described the first control signal, and zero voltage switch control unit receives described the second control signal, changes size or the no existence of isolation voltage conversion and current/voltage detection control unit output current.
Described power factor controlling unit receives described the first control signal, and according to the Control the content of the first control signal, the operating state of power factor controlling unit is changed, described zero voltage switch control unit receives described the second control signal, and according to the Control the content of the second control signal, the operating state of zero voltage switch control unit is changed, operating state by power factor controlling unit and zero voltage switch control unit changes, final size or the state of no existence that changes the output current of described isolation voltage conversion and voltage/current detection unit.Meanwhile, described power factor controlling unit sends feedback information to micro-control unit, and feedback information comprises the current contents such as power factor value in power factor controlling unit, so that micro-control unit is controlled more accurately.Thereby realize the unlatching of LED illuminator, close and the Wireless remote control of the Control the content such as adjustment by drive unit of the present invention.
Embodiment bis-, and Fig. 3 shows the circuit theory diagrams of the drive unit way of example of the second wirelessly controlled LED illuminator of the present invention.
Shown in Fig. 3, the drive unit of described the second wirelessly controlled LED illuminator, comprise: power input, drive output, DC power source unit, power factor controlling unit, by-pass unit, zero voltage switch control unit, RF315 radio receiving unit, micro-control unit, and isolation voltage changes and current/voltage detection control unit.
As shown in Figure 3, be compared to the drive unit of the first wirelessly controlled LED illuminator of the present invention, difference is that described receiving element is the RF315 radio receiving unit that comprises wireless ASK/OOK receiving chip SYN450R, for receiving the radiofrequency signal that is operated in 315MHz, to described micro-control unit, send control information.
The workflow or the driving method that are compared to the drive unit of the first wirelessly controlled LED illuminator of the present invention, difference is: RF315 radio receiving unit receives radio signals, and to micro-control unit, sends control information.
The antenna reception of described RF315 wireless receiving module is operated in the radiofrequency signal of 315MHz, and described radiofrequency signal is radio signal, the command content that it sends and comprise other accessory drive output currents such as opening or close from far-end.Through radio receiving unit internal wireless ASK/OOK receiving chip, SYN450R processes after described radiofrequency signal, generation comprises described unlatching or the control information of the command content of other accessory drive output currents such as closes, and to the first input end of described micro-control unit, sends described control information with the digital information form of low and high level.
The drive unit way of example of the second wirelessly controlled LED illuminator of the present invention, can pass through the working frequency range Long-distance Control power factor controlling unit of 315MHz and the operating state of zero voltage switch control unit, change size or the no existence of isolation voltage conversion and current/voltage detection control unit output current, thereby complete the remote wireless control to LED illuminator.
The way of example of the drive unit of two kinds of wirelessly controlled LED illuminators that reference enforcement one and embodiment bis-describe in detail, the drive unit of wirelessly controlled LED illuminator of the present invention can also expand other embodiment, the drive unit of the wirelessly controlled LED illuminator in these embodiment, comprise: power input, drive output, DC power source unit, power factor controlling unit, by-pass unit, zero voltage switch control unit, radio receiving unit, control unit, and isolation voltage changes and current/voltage detection control unit.
Be compared to and implement one and the way of example of the drive unit of two kinds of wirelessly controlled LED illuminators describing in detail of embodiment bis-, difference is: the described wireless receiving chief of the Xiongnu in Acient China comprises RF(Radio Frequency, radio frequency) radio-frequency communication module, WiFi(Wireless Fidelity, Wireless Fidelity) communication module, Bluetooth (bluetooth) communication module, IRDA(Infrared Data Association, , infrared data tissue) communication module, ZigBee(ZigBee protocol) communication module and other can be used at least one in the communication module of wireless receiving.Described RF radio-frequency communication module comprises at least one in RF433 radio receiving unit, RF315 radio receiving unit and other RF radio-frequency communication module.Described RF radio-frequency communication module comprises wireless ASK/OOK receiving chip SYN450R.Described control unit comprises at least one in micro-control unit and Combinational Logic Control unit.Described micro-control unit comprises at least one in 8 microcontroller chips able to programme, 16 microcontroller chips able to programme, 32 microcontroller chips able to programme and other microcontroller chip able to programme.Described by-pass unit comprises that the bypass circuit C11, bypass diode of at least one earth and other can be used for the unit of bypass.
The workflow of above-mentioned these embodiment or driving method, can describe workflow or driving methods in detail with reference to enforcement one and embodiment bis-, do not need can obtain by performing creative labour.
Adopt driving method and the apparatus structure of the wirelessly controlled LED illuminator of the above preferred embodiment of the present invention of describing by reference to the accompanying drawings, but the present invention does not limit to and described execution mode.
For a person skilled in the art, according to instruction of the present invention, the driving method and the device that relate to multi-form wirelessly controlled LED illuminator do not need performing creative labour.In the situation that not departing from of the present invention and principle and spirit to these embodiment change, modification, replacement, integration and modification still fall within the scope of protection of the present invention.
Claims (10)
1. the drive unit of a wirelessly controlled LED illuminator, it is characterized in that, comprise: power input, drive output, DC power source unit, power factor controlling unit, by-pass unit, zero voltage switch control unit, radio receiving unit, control unit and isolation voltage change and current/voltage detection control unit;
Described radio receiving unit is used for receiving radio signals, and to described control unit, sends control information;
The feedback information that described control unit sends for receiving described control information and described power factor controlling unit, sends the first control signal to power factor controlling unit, to described zero voltage switch control unit, sends the second control signal;
Described power factor controlling unit is used for receiving described the first control signal, described zero voltage switch control unit is used for receiving described the second control signal, changes size or the no existence of described isolation voltage conversion and current/voltage detection control unit output current.
2. the drive unit of wirelessly controlled LED illuminator as claimed in claim 1, is characterized in that, comprising:
Described power input is connected to described DC power source unit input;
The output of described radio receiving unit is connected to the first input end of described control unit, the first output of control unit is connected to the input of described power factor controlling unit, the second output of control unit is connected to the second input of described zero voltage switch control unit, the first output of power factor controlling unit is connected to the input of described by-pass unit, the second output of power factor controlling unit is connected to the second input of control unit, the output of by-pass unit is connected to the first input end of zero voltage switch control unit, zero voltage switch control output end is connected to the input of described isolation voltage conversion and current/voltage detection control unit, the output of isolation voltage conversion and current/voltage detection control unit is connected to drive output.
3. the drive unit of wirelessly controlled LED illuminator as claimed in claim 1, is characterized in that, comprising:
Described radio receiving unit comprises at least one in RF radio-frequency communication module, WiFi communication module, Bluetooth communication module, IRDA communication module, ZigBee communication module.
4. the drive unit of wirelessly controlled LED illuminator as claimed in claim 3, is characterized in that, comprising:
Described RF radio-frequency communication module comprises at least one in RF433 radio receiving unit and RF315 radio receiving unit.
5. the drive unit of wirelessly controlled LED illuminator as claimed in claim 3, is characterized in that, comprising:
Described RF radio-frequency communication module comprises wireless ASK/OOK receiving chip SYN450R.
6. the drive unit of wirelessly controlled LED illuminator as claimed in claim 1, is characterized in that, comprising:
Described control unit comprises micro-control unit.
7. the drive unit of wirelessly controlled LED illuminator as claimed in claim 6, is characterized in that, comprising:
Described micro-control unit comprises at least one in 8 microcontroller chips able to programme, 16 microcontroller chips able to programme and 32 microcontroller chips able to programme.
8. the drive unit of wirelessly controlled LED illuminator as claimed in claim 6, is characterized in that, comprising:
Described micro-control unit comprises at least one PWM transmitter.
9. the drive unit of wirelessly controlled LED illuminator as claimed in claim 1, is characterized in that, comprising:
Described by-pass unit comprises at least one earth capacitor C 11.
10. a driving method for wirelessly controlled LED illuminator, is characterized in that, comprising:
Radio receiving unit receives radio signals, and to control unit, sends control information;
Control unit receives the feedback information of described control information and the transmission of power factor controlling unit, to power factor controlling unit, sends the first control signal, to zero voltage switch control unit, sends the second control signal;
Power factor controlling unit receives described the first control signal, and zero voltage switch control unit receives described the second control signal, changes size or the no existence of isolation voltage conversion and current/voltage detection control unit output current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410428757.0A CN104168703A (en) | 2014-08-28 | 2014-08-28 | Driving method and device for wirelessly controlling LED illuminating system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410428757.0A CN104168703A (en) | 2014-08-28 | 2014-08-28 | Driving method and device for wirelessly controlling LED illuminating system |
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| CN104168703A true CN104168703A (en) | 2014-11-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113163242A (en) * | 2020-01-22 | 2021-07-23 | 海信视像科技股份有限公司 | Display device control method and display device |
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| US20090167197A1 (en) * | 2007-12-20 | 2009-07-02 | Vimicro Corporation | Driver and method for driving LEDS on multiple branch circuits |
| CN203708602U (en) * | 2014-02-13 | 2014-07-09 | 四川长虹照明技术有限公司 | LED drive device controlled intelligently |
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| US20090167197A1 (en) * | 2007-12-20 | 2009-07-02 | Vimicro Corporation | Driver and method for driving LEDS on multiple branch circuits |
| CN203708602U (en) * | 2014-02-13 | 2014-07-09 | 四川长虹照明技术有限公司 | LED drive device controlled intelligently |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113163242A (en) * | 2020-01-22 | 2021-07-23 | 海信视像科技股份有限公司 | Display device control method and display device |
| CN113163242B (en) * | 2020-01-22 | 2022-06-21 | 海信视像科技股份有限公司 | Display device control method and display device |
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Application publication date: 20141126 |