CN106851908A - Light adjusting system - Google Patents
Light adjusting system Download PDFInfo
- Publication number
- CN106851908A CN106851908A CN201710070568.4A CN201710070568A CN106851908A CN 106851908 A CN106851908 A CN 106851908A CN 201710070568 A CN201710070568 A CN 201710070568A CN 106851908 A CN106851908 A CN 106851908A
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- China
- Prior art keywords
- frequency band
- led light
- special frequency
- brightness adjustment
- adjustment control
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
-
- 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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Abstract
The present invention relates to a kind of Dimmable LED light fixture, light modulating device and light adjusting system, wherein Dimmable LED light fixture includes signal demodulating equipment and light source control device, signal demodulating equipment receives the special frequency band brightness adjustment control coding conciliate and transfer to carry from single-line type load electric line, and light source control device is according to the brightness of the special frequency band brightness adjustment control code adjustment Dimmable LED light fixture for being demodulated, colour temperature and color parameter.The single-line type supply access of load electric line can be still kept by being attached supply access in the state of Dimmable LED light fixture is turned off.The light modulating device of this Dimmable LED light fixture includes the first modulating apparatus, input unit and controller, dimming commands are input into by input unit, first modulating apparatus are carried on load electric line to be sent to Dimmable LED light fixture after special frequency band brightness adjustment control coding is modulated, and controller generates the special frequency band brightness adjustment control coding according to the dimming commands being input into.
Description
Technical field
The present invention relates to intelligent lighting controls field, particularly a kind of Dimmable LED light fixture will in traditional electrician's wiring
Ask down, numerical control instruction is transmitted by load electric line, using the control of the brightness of controller control LED lamp, colour temperature and color
System.
Background technology
With the development of semiconductor illumination technique, LED lamp is increasingly popularized, and particularly average family has begun to
Large area uses LED illumination, LED illumination energy-conservation, individual character, controllable advantage also to obtain sufficient embodiment, and user is to LED illumination
Degree of recognition be also substantially improved.Common LED light fixture cannot realize light modulation color-temperature regulating or even coloured silk of mixing colours, and current routine on the market
Way is to carry out controlled in wireless by remote control or mobile phone, but using not convenient enough.
The content of the invention
The present invention for technical problem present in prior art propose a kind of Dimmable LED light fixture, light modulating device and
Its system, light modulating device can be by the single-line type power line transmission numerical control instruction of load-side (including LED lamp), using control
The control of device control LED lamp processed brightness, colour temperature and color.Standard machinery switch-segment formula light modulation color-temperature regulating and nothing are supported simultaneously
Line remote control, under traditional electrician's wiring requirement, solving common LED light fixture cannot realize LED lamp brightness, colour temperature and color
The problem of control.
In the first embodiment of the invention, a kind of Dimmable LED light fixture includes：Signal demodulating equipment, is configured as receiving
The special frequency band brightness adjustment control that reconciliation transfers to be carried from single-line type load electric line is encoded, wherein the special frequency band brightness adjustment control
Coding is contained at least one in the brightness regulation grade of the Dimmable LED light fixture, colour temperature regulation grade and color adjustment grade
Person；The light source control device of signal demodulating equipment described in electrical couplings, is configured as dimming control according to the special frequency band for being demodulated
At least one of the brightness of Dimmable LED light fixture, colour temperature and color parameter described in code adjustment processed；It is described negative with being electrically coupled to
The attachment supply access of power line is carried, is configured as still keeping the load in the state of the Dimmable LED light fixture is turned off
The single-line type supply access of power line.
In second embodiment of the invention, the light modulating device of this Dimmable LED light fixture passes through single-line type load electric line
The described Dimmable LED light fixture of regulation, including：First modulating apparatus, are configured as the special frequency band brightness adjustment control
Coding is carried on the load electric line to be sent to Dimmable LED light fixture after being modulated；Input unit, dims for being input into
Instruction；Controller with first modulating apparatus and input unit are electrically coupled to, is configured as according to the tune being input into
The light instruction generation special frequency band brightness adjustment control coding.
In third embodiment of the invention, this light adjusting system includes single-line type load electric line power circuit, in this time
Control top on road is provided with adjusting means, and control end is provided with several Dimmable LED light fixtures, wherein the adjusting means bag
Include：First modulating apparatus, are configured as being carried on the load electricity after special frequency band brightness adjustment control coding is modulated
The line of force is simultaneously sent to the Dimmable LED light fixture；Input unit, for being input into dimming commands；Adjusted with the signal is electrically coupled to
The controller of device processed and input unit, is configured as generating the special frequency band brightness adjustment control according to the dimming commands being input into
Coding.The Dimmable LED light fixture includes：Signal demodulating equipment, is configured as reception reconciliation and transfers from the load electric line
The special frequency band brightness adjustment control coding of carrying, wherein special frequency band brightness adjustment control coding contains the light-adjustable LED lamp
The brightness regulation grade of tool, colour temperature regulation at least one of grade and color adjustment grade；Signal demodulation dress described in electrical couplings
The light source control device put, is configured as the light-adjustable LED lamp according to the special frequency band brightness adjustment control code adjustment for being demodulated
At least one of the brightness of tool, colour temperature and color parameter；With the attachment supply access for being electrically coupled to the load electric line, quilt
It is configured in the state of the Dimmable LED light fixture is turned off still keep the single-line type supply access of the load electric line.
In presently embodied advantage, light modulating device and LED lamp can set household indoor power lead is not changed
It is mounted in the case of putting, meanwhile, the light that LED lamp of the present invention sends can be in the outside in the range of exposures of the light
Digital identifier device is received the decode, to obtain control instruction therein.
Brief description of the drawings
Fig. 1 is a kind of system schematic of Dimmable LED light fixture of the embodiment of the present invention；
Fig. 2 is the system schematic of the adjusting means of Dimmable LED light fixture in a kind of control figure 1 of the embodiment of the present invention；
Fig. 3 for the embodiment of the present invention input unit user can touch panel contour structures schematic diagram.
Specific embodiment
According to Fig. 1, in scheme disclosed in some embodiments of the invention, a kind of light adjusting system is capable of achieving, including based on negative
Light modulating device 2 and LED lamp 1 that power line realizes Digital Signals are carried, this several embodiment is with respectively to LED lamp
1 and the way of example of light modulating device 2 highlight advantage of the invention.It should be appreciated that can phase between these embodiments
Mutually combine or quote to embody technique effect of the invention, for the control of common household room lighting, the solution of the present invention
It is particularly advantageous and convenient to carry out.
Light modulating device 2 and LED lamp 1 are mounted in the case of being set household indoor power lead is not changed, from electricity
The L lines of power lead to N lines constitute single-ended loop.Power line can not change paving mode or node, while can be used as signal transmission
Medium carrys out transmission information.Power line is popularity rate building firm power facility very high, can be to the photograph powered using power line
Bright equipment is communicated.Power line is usually to be layed in indoor and outdoor electric wire, is implementing the process of light adjusting system of the present invention
In, can directly use original electric wire.In addition, room inside/outside lighting apparatus obtains electric power to be received from load electric line 100
Supply, sets electricity-getting switch on metope, and technical staff can be improved using indoor original light switch.Shown in Fig. 1
In example, light modulating device 2 can be set up in light switch, so that this light switch possesses dimming function.
So as to, the supply access of single-line type load electric line 100 is formd on the loop, the light modulating device 2 with
Do not have any digital modulation signals on supply access beyond the control access that LED lamp 1 is formed.In a preferred example
In, numerical control instruction is carried by signal specific modulation system on the control access that light modulating device 2 is formed with LED lamp 1
In on the Alternating Current Power Supply waveform of the load electric line 100 (for example, sine wave), in the modulation system, light modulating device 2 can be used
Zero crossing detection device produces a zero cross signal, as the pumping signal for starting transmission digital dimming instruction.In an implementation
In example, time period modulation of the light modulating device 2 after the zero passage in just half circumferential crest direction of AC sine wave starts is described
Numerical control instruction, and numerical control instruction is sent close to a time period of zero crossing in the just half circumferential trough direction.When
Between the setting of section be modifiable.
Embodiment 1：Improvement to LED lamp
Reference picture 1, Dimmable LED light fixture 1 includes：Signal demodulating equipment 12, is configured as reception reconciliation and transfers described in
The special frequency band brightness adjustment control coding that single-line type load electric line 100 is carried, wherein special frequency band brightness adjustment control coding bag
Brightness regulation grade, colour temperature regulation at least one of the grade and color adjustment grade of the Dimmable LED light fixture 1 are contained；Electricity
Property the coupling signal demodulating equipment 12 light source control device 13, be configured as according to the special frequency band brightness adjustment control for being demodulated
At least one of the brightness of Dimmable LED light fixture 1, colour temperature and color parameter described in code adjustment；It is described negative with being electrically coupled to
The attachment supply access 11 of power line 100 is carried, is configured as still keeping institute in the state of the Dimmable LED light fixture 1 is turned off
State the single-line type supply access of load electric line 100.
In a kind of modification, described Dimmable LED light fixture 1 also includes：It is connected to the second letter of light source control device 13
Number modulating device 15, is configured as going out digital modulation information and by the numeral according to the special frequency band brightness adjustment control coded modulation
Modulation intelligence is carried on the light that LED light source 14 sends in the LED lamp 1, wherein special frequency band brightness adjustment control coding is also
Contain the control instruction for expressing the digital modulation information；With emitter 16, launch the numeral being carried on the light
Modulation intelligence.
Specifically, the light that LED light source 14 sends can be in the external digital identification in the range of exposures of the light
Equipment 3 is received the decode, to obtain control instruction therein.In the embodiment shown in fig. 1, external digital identification equipment 3 has
There are optical pickup apparatus, for receiving from the light of the irradiation of LED light source 14 in above-mentioned LED lamp 1 and extract digital modulation intelligence and carry out
Demodulate to receive the digital information for wherein being transmitted.Shown optical pickup apparatus can be personal computer (PC) or portable terminal
(PDA), mobile phone etc., can also be the digital devices such as the audio/video equipment, the television set that are provided with sensor devices.In one kind
In modification, described emitter 16 can be substituted or combined with LED light source 14.
In order that LED light source 14 can normal luminous, it is necessary to drive LED particle in LED light source 14 by direct current power,
Dimmable LED light fixture 1 is further provided with potential device, and the alternating electromotive force of the self-supported supply of power line 100 is transformed into direct current in the future
Electricity output, in order to simplify the improvement of light fixture, can use the power module of existing LED lamp.In addition, in order to realize to LED light source
14 signal output, the potential device is configured as being adjusted the DC voltage for supplying the particle of LED light source 14.And then,
The supply of the electric power required for also being acted in bandpass filter 112.In addition in one embodiment, due in power line
Carried on 100 through the digital modulation information waveform of ovennodulation, the waveform that can cause digital modulation information by rectification circuit is not
Appear on the DC waveform.
In another modification, signal demodulating equipment 12 has low pass filter, is configured as extracting on power line 100
The digital modulation information for being carried.In one embodiment, signal demodulating equipment 12 has the connection low pass filter again
Signal selector, is configured as decomposing and selects the light sent with the LED light source to send described control instruction.Described
Selection is will to be demodulated as the expressed numerical control instruction of special frequency band brightness adjustment control coding, and selects and separate the number
Word control instruction come produce need to outside digital identifier device 3 send digital information, or also can by other method come
Selected, so as to generate the control instruction.Or, or low pass filter is controlled using light source control device 13
Frequency, demodulation frequency mode, by be carried on another frequency band for express the control instruction of the digital modulation information be demodulated and
Re-modulate and send.The signal selector corresponds to the corresponding frequencies sent with light modulating device 2 of low pass filter setting
And set.Signal selector may be provided at the prime of low pass filter, it is also possible to be arranged on following stage.And then understand, if not
Set secondary signal modulating device 15 to send the control instruction for expressing the digital modulation information, then only as reception
In the LED lamp that special frequency band brightness adjustment control coding is used, fixed special frequency band waveform can be set and described letter is not provided with
Number selector, low pass filter only passes through the fixed frequency band waveform.
Specifically, the secondary signal modulating device 15 be configured as making by low pass filter extract it is digital control
Command signal is carried on the direct current power waveform being converted into by said apparatus, thus, it is possible to according to the numeral control for being carried
Command information processed makes to be supplied to the DC voltage generation at the two ends of LED light source 14 to change and (for example makes the light source generation special frequency band
The flicker of set frequency), meanwhile, special frequency band brightness adjustment control coding can be used in controlling the light modulation of LED light source (for example, light
Flux or light on and off).In a kind of modification, light source control device 13 can also be compiled according to the brightness adjustment control from low pass filter
Code carries out switch control to the direct current from potential device.
Embodiment 2：It is exclusively used in adjusting the light modulating device of LED lamp
Reference picture 2 and 3, the embodiment of light modulating device 2 is adjusted described in embodiment 1 by single-line type load electric line 100
Dimmable LED light fixture 1, including：First modulating apparatus 21, be configured as by the special frequency band brightness adjustment control encode into
It is carried on the load electric line 100 to be sent to Dimmable LED light fixture 1 after row modulation；Input unit 22, uses for (such as)
Family is manually entered dimming commands；With the controller 23 for being electrically coupled to first modulating apparatus 21 and input unit 22, quilt
The dimming commands for being configured to be input into according to user generate the special frequency band brightness adjustment control coding.In a kind of modification, light modulation
The input unit 22 of device 2 include user can touch interface 200, with the described light modulation of the touch-control input in response to user
Instruction.
Specifically, the user can touch interface 200 include be easy to user's finger turn operate turn regulation machine
Structure 201.Can be Single button formula, or many knobs for the turn governor motion 201 that user uses.Of the invention real
In applying example, can be adjusted by single knob the brightness regulation grade of the Dimmable LED light fixture 1, colour temperature regulation grade and
One or more in color adjustment grade, in embodiments of the present invention, regulative mode is stagewise regulation.For the ease of user
Itself regulating effect is known, can be provided with the knob of turn governor motion 201 on touch interface in the user
The annular instruction device 202 (for example, the flicker of indicator lamp or turn on/off prompting) of circle.Inventor is to turn governor motion 201 and refers to
The specific configuration and functional character of showing device 202 separately submit patent application to, will not be described here.
In a kind of modification, the controller 23 of described light modulating device 2 can be configured as：
The first turn ratio 203 of turn governor motion 201 generates the first special frequency band brightness adjustment control according to turn
Coding.Wherein described turn governor motion 201 can be produced using position A as the initial point of turn when turn clockwise is to position B
Raw first turn ratio 203, the first turn ratio 203 produces the first level signal by the rotary electric machine of mechanical couplings therewith
To controller 23, the controller 23 will be produced according to first level signal to be needed to enter (such as) brightness of LED light source 14
The digital coding of row current potential regulation；
According to the second turn ratio 204 under the conditions of default time slot is met, compiled based on the first special frequency band brightness adjustment control
Code generation the second special frequency band brightness adjustment control coding；With
Under the conditions of the default time slot is unsatisfactory for, special frequency band brightness adjustment control coding is not generated.Specifically, when described
Gap is set by controller 23, or sets (for example, 1s) with the timer of the electrical couplings of controller 23, if with
When using the turn governor motion 201, after user's turn is to position B, user can continue to Fig. 3 institutes in 1s time slots at family
The position C turns shown, so as to produce the second turn ratio 204, based on above-described embodiment, controller 23 is according to the first turn ratio
Example 203 generates the first level signal to generate the first special frequency band brightness adjustment control coding, if now setting 1s time slots, turn
Governor motion 201 is superimposed second electrical level signal in the state of being resetted line level is not entered on the basis of the first level signal, from
And, controller 23 can be produced on the basis of the indicated brightness regulation of (such as) first special frequency band brightness adjustment control coding and checked colors
The regulation of warm grade, and then, LED light source 14 will simultaneously or successively receive the regulating command of gentle brightness of checking colors, bright to realize
The change of degree and colour temperature.If it should be appreciated that the continuous turn operation of user exceeds 1s time slots (for example, after 5s), turn
Governor motion 201 will enter line level reset, so as to when turn is continued to position C, produce the second grade continued to brightness
Regulation.In another example, if time slot is more than 5s, turn governor motion 201 can not make any level and respond, but multiple
Position or dormancy, from without producing any special frequency band brightness adjustment control coding.
In addition, the controller is also configured to：According to user can the touch-control of touch interface 201 (for example, above-mentioned rotation
Dynamic operation) input generation the 3rd special frequency band brightness adjustment control coding.For example, user can be suitable from position A by turn governor motion 201
To position D, in this case, controller 23 is according to the level signal that the larger angle turn ratio 205 is produced for hour hands turn
For producing comprising the 3rd specific frequency that digital information is sent to the external digital identification equipment 3 in the range of exposures of LED light source 14
Band brightness adjustment control coding.It is preferred that controller 23 can determine whether triggering according to the corresponding level height of the ratio of institute's turn
This control coding, the control is encoded for so that above-mentioned secondary signal modulating device 15 is demodulated into control LED light source 14 and produces
Another CF waveform (for example, making LED light source particle produce flicker).In a kind of modification, according to above-described embodiment, by
In respective digital regulated command information (for example, above-mentioned first, second or third special frequency band brightness adjustment control is encoded) be to pass through
It is multiplexed after frequency division or is overlapped each other, so can be adjusted from multiple numerals by the low pass filter for only passing through CF
An information is selectively separated among section command information out.Additionally, on the modulation waveform by the information after separation
Can again be modulated to be sent to external digital identification equipment 3 in the mode such as applying bias or implementation shaping or amplification.
Embodiment 3：Single-line type LED light adjusting systems
With further reference to Fig. 1 and 2, this light adjusting system embodiment may include single-line type load electric line power circuit 100,
Control top on the loop is provided with adjusting means 2, and control end is provided with several Dimmable LED light fixtures 1.Of the invention each
In individual embodiment, the special frequency band brightness adjustment control coding for carrying and sending on load electric line 100 is only in control top and control
Transmitted between end processed, that is to say, that only exist power supply on the power line path beyond control top with control end,
And do not exist any carrying data signal.Therefore, the setting of this single-line type load electric line 100 is it is particularly advantageous that can not
By the interference or influence of any other data signal.
Wherein described adjusting means includes：First modulating apparatus 21, are configured as above-mentioned (such as) first, second
The load electric line 100 is carried on after being modulated with the 3rd special frequency band brightness adjustment control coding and be sent to the tunable optical
LED lamp 1；Input unit 22, for being input into dimming commands；Be electrically coupled to the modulating apparatus 21 and input unit 22
Controller 23, be configured as generating above-mentioned special frequency band brightness adjustment control coding according to the dimming commands that are input into.LED lamp 1
Including：Signal demodulating equipment 12, is configured as receiving the special frequency band light modulation conciliate and transfer to carry from the load electric line 100
Control coding, wherein the special frequency band brightness adjustment control coding contain the Dimmable LED light fixture 1 brightness regulation grade,
Colour temperature adjusts at least one of grade and color adjustment grade；The light source control device of signal demodulating equipment 12 described in electrical couplings
13, it is configured as brightness, the colour temperature of the Dimmable LED light fixture 1 according to the special frequency band brightness adjustment control code adjustment for being demodulated
At least one of with color parameter；Attachment supply access 11 with the load electric line 100 is electrically coupled to, is configured as
Turn off the single-line type supply access that the load electric line 100 is still kept in the state of the Dimmable LED light fixture 1.
In a kind of modification, described Dimmable LED light fixture 1 also includes：It is connected to the second letter of light source control device 13
Number modulating device 15, is configured as going out digital modulation information and by the numeral according to the special frequency band brightness adjustment control coded modulation
Modulation intelligence is carried on the light that LED light source 14 sends in the LED lamp 1, wherein special frequency band brightness adjustment control coding is also
Contain the control instruction for expressing the digital modulation information；With emitter 16, launch the numeral being carried on the light
Modulation intelligence.
According to Fig. 3, user can touch interface 200 can be mechanical switch, or other forms capacitive touch screen
Curtain.In the above-described embodiments, can be by mechanical switch described in continuous hand switch or turn (for example, turn governor motion 201)
To realize to the light modulation of the segmented of the adjustable LED lamp 1, color-temperature regulating or adjust Color control.
In the above-described embodiments, the special frequency band of special frequency band brightness adjustment control coding is arranged in 50~60Hz,
So as to the special frequency band brightness adjustment control is encoded to octet or 14 bit bytes, the light modulation of first, second, and third special frequency band
Control coding can individually send, or send simultaneously, demultiplexing or extraction be carried out by the low pass filter, for example, to LED
The regulation of the brightness, colour temperature or color levels of light source 14 can be modulated and sent based on 55Hz, and numeral is launched to LED light source 14
The regulation of control instruction can be modulated and sent based on 57Hz.
In one embodiment, the method for adjusting above-mentioned LED lamp 1 includes：
The special frequency band brightness adjustment control coding for transferring to carry from the single-line type load electric line is conciliate in step 1, reception, its
Described in special frequency band brightness adjustment control coding contain the Dimmable LED light fixture brightness regulation grade, colour temperature regulation grade
At least one of with color adjustment grade；
Step 2, according to the special frequency band brightness adjustment control code adjustment for being demodulated Dimmable LED light fixture brightness, color
At least one of gentle color parameter.
Used as a kind of modification, the method for the regulation LED lamp 1 is further included：
Step 3, gone out according to the special frequency band brightness adjustment control coded modulation digital modulation information and by the digital modulation letter
Breath be carried on the light that the Dimmable LED light fixture sends, wherein the special frequency band brightness adjustment control coding further comprises for
Express the control instruction of the digital modulation information；
Step 4, transmitting are carried on the digital modulation information on the light.
Further, also include in above-mentioned steps 1：
Step 1-1, the first turn ratio of turn governor motion according to turn generate the light modulation control of the first special frequency band
System coding；
Step 1-2, under the conditions of default time slot is met according to the second turn ratio, dimmed based on first special frequency band and controlled
System coding generation the second special frequency band brightness adjustment control coding；Be unsatisfactory under the conditions of the default time slot, specific frequency is not generated
Band brightness adjustment control coding.
Further, also include in above-mentioned steps 1：
Step 1-3, basis can the touch-control of touch interface 201 (for example, above-mentioned turn is operated) input generations the 3rd to user
Special frequency band brightness adjustment control is encoded.The brightness adjustment control is encoded for so that above-mentioned secondary signal modulating device 15 is demodulated into control
LED light source 14 produces another CF waveform (for example, making LED light source particle produce flicker).
In one embodiment, external digital identification equipment 3 can be held by user, and user can be set by its numeral identification
The 3rd is obtained for 3 sensor devices having (for example, camera of the LED backlight of optical screen or mobile phone/digital camera)
Special frequency band brightness adjustment control is encoded.Based on previous embodiment, the 57Hz frequencies that LED light source 14 can be modulated according to controller 23 are dodged
Bright, the digital demodulation device of digital identifier device 3 will be received and extracted with the frequency band, so as to obtain numeral therein refer to
Order.
In a kind of application of outdoor lighting, LED light source 14 can transmit the desired information for obtaining of user, be carried in user
With in the case of the portable digital identification equipment 3 for (for example) imaging first-class optical pickup apparatus, can be recognized by the numeral
Equipment 3 receives the light from adjustable LED lamp 1 and can just obtain the information sent from its LED light source 14.Sending and using
In the case of the demand information of family, because an illumination region for LED light source 14 has limitation, so can also be by by several adjustable
The illumination framework of the composition of formula LED lamp 1 changes the information that will be sent one by one.Even if user is in moving process, due to from
Being moved in one range of exposures of LED light source 14 needs the cost time under next LED light source 14, a large amount of so long as not transmission
Information can just carry out Continued communication without being on the way interrupted.For example, technical staff can contemplate the position to LED light source 14
Cartographic information of confidence breath or surrounding etc. is transmitted.
Additionally, according to above-described embodiment, there is the signal transfer characteristic of high speed due to LED light source 14, so the change of light quantity
Change or light on and off, flicker will not be perceived by the human eye and feel LED light source still in continuous luminous.Even if so as to carry out light carrying
Data transfer, LED light source 14 also simultaneously as lighting apparatus.
Above-described specific embodiment has been described in detail to technical scheme and beneficial effect, Ying Li
Solution is to the foregoing is only presently most preferred embodiment of the invention, is not intended to limit the invention, all in principle model of the invention
Interior done any modification, supplement and equivalent etc. are enclosed, be should be included within the scope of the present invention.
Claims (7)
1. light adjusting system, including single-line type load electric line power circuit, the control top on the loop is provided with adjusting means,
Control end is provided with several Dimmable LED light fixtures, and its Curve guide impeller is,
The adjusting means includes：First modulating apparatus, are configured as being modulated special frequency band brightness adjustment control coding
After be carried on the load electric line and be sent to the Dimmable LED light fixture；Input unit, for being input into dimming commands；With
The controller of the modulating apparatus and input unit is electrically coupled to, is configured as generating institute according to the dimming commands being input into
State special frequency band brightness adjustment control coding；
Dimmable LED light fixture includes：Signal demodulating equipment, is configured as reception reconciliation and transfers from the single-line type load electric line
The special frequency band brightness adjustment control coding of carrying, wherein special frequency band brightness adjustment control coding contains the light-adjustable LED lamp
The brightness regulation grade of tool, colour temperature regulation at least one of grade and color adjustment grade；Signal demodulation dress described in electrical couplings
The light source control device put, is configured as the light-adjustable LED lamp according to the special frequency band brightness adjustment control code adjustment for being demodulated
At least one of the brightness of tool, colour temperature and color parameter；With the attachment supply access for being electrically coupled to the load electric line, quilt
Be configured in the state of the Dimmable LED light fixture is turned off still to keep the single-line type load electric line single-line type power it is logical
Road, wherein the method for adjusting above-mentioned Dimmable LED light fixture includes：
The special frequency band brightness adjustment control coding for transferring to carry from the single-line type load electric line, wherein institute are conciliate in step 1, reception
State special frequency band brightness adjustment control coding and contain the brightness regulation grade of the Dimmable LED light fixture, colour temperature regulation grade and color
At least one of caidiao opera section grade；And
Step 2, according to the special frequency band brightness adjustment control code adjustment for being demodulated the brightness of Dimmable LED light fixture, colour temperature and
At least one of color parameter.
2. light adjusting system according to claim 1, its Curve guide impeller is, the method for the regulation Dimmable LED light fixture
Further include：
Step 3, digital modulation information is gone out according to the special frequency band brightness adjustment control coded modulation and the digital modulation information is held
It is loaded on the light that the Dimmable LED light fixture sends, wherein special frequency band brightness adjustment control coding further comprises for expressing
The control instruction of the digital modulation information；And
Step 4, transmitting are carried on the digital modulation information on the light.
3. light adjusting system according to claim 1, its Curve guide impeller is also to include in above-mentioned steps 1：
Step 1-1, the first turn ratio of turn governor motion according to turn generate the first special frequency band brightness adjustment control and compile
Code；And
Step 1-2, under the conditions of default time slot is met according to the second turn ratio, compiled based on the first special frequency band brightness adjustment control
Code generation the second special frequency band brightness adjustment control coding；With being unsatisfactory under the conditions of the default time slot, do not generate special frequency band tune
Photocontrol is encoded.
4. light adjusting system according to claim 3, its Curve guide impeller is also to include in above-mentioned steps 1：
Step 1-3, basis can touch interface touch-control input generation the 3rd special frequency band brightness adjustment control codings to user.The light modulation
Control coding produces another CF waveform for causing that above-mentioned secondary signal modulating device is demodulated into control LED light source.
5. light adjusting system according to claim 1, its Curve guide impeller is that the Dimmable LED light fixture also includes：
Secondary signal modulating device, is configured as going out digital modulation information simultaneously according to the special frequency band brightness adjustment control coded modulation
The digital modulation information is carried on the light that the Dimmable LED light fixture sends, wherein the special frequency band brightness adjustment control is compiled
Code further comprises the control instruction for expressing the digital modulation information；With
Emitter, transmitting is carried on the digital modulation information on the light.
6. light adjusting system according to claim 5, its Curve guide impeller is that the Dimmable LED light fixture sends just
Sent by LED light source, the external digital identification equipment that the light can be in the range of exposures of the light receive and
Decoding.
7. light adjusting system according to claim 6, its Curve guide impeller is that the LED light source is adjusted according to the controller
The frequency scintillation of system, the digital demodulation device of the digital identifier device will be received and extracted with the frequency band, so as to obtain
Digital command therein.
Priority Applications (1)
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| CN114363421A (en) * | 2021-12-03 | 2022-04-15 | 深圳市明微电子股份有限公司 | Communication method, communication system and storage medium for LED dimming |
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| CN106439528B (en) * | 2016-09-29 | 2023-11-24 | 普天智能照明研究院有限公司 | LED lamp with adjustable illumination parameters and adjusting method |
| US11903107B2 (en) * | 2019-04-25 | 2024-02-13 | Signify Holding B.V. | Controller for a lighting system |
| CN112074042A (en) * | 2020-09-29 | 2020-12-11 | 青岛易来智能科技股份有限公司 | Switch, lamp and lighting system |
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| GB2383180B (en) * | 2001-12-11 | 2005-05-04 | Westinghouse Brake & Signal | Signal lamps and apparatus |
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| US20150145441A1 (en) * | 2011-12-16 | 2015-05-28 | Terralux, Inc. | Systems and methods of applying bleed circuits in led lamps |
| CN102769978A (en) * | 2012-07-20 | 2012-11-07 | 天津工大瑞工光电技术有限公司 | Stage lighting control system based on electric carrier communication |
| CN102917498A (en) * | 2012-10-18 | 2013-02-06 | 杭州意博高科电器有限公司 | Bluetooth mobile phone control-based LED (Light Emitting Diode) color-changeable bulb |
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| CN114363421A (en) * | 2021-12-03 | 2022-04-15 | 深圳市明微电子股份有限公司 | Communication method, communication system and storage medium for LED dimming |
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| CN106851908B (en) | 2018-12-25 |
| CN105376893A (en) | 2016-03-02 |
| CN105376893B (en) | 2018-03-02 |
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