CN108738200A - Color temperature adjustment device, the system and method for lamp group - Google Patents
Color temperature adjustment device, the system and method for lamp group Download PDFInfo
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- CN108738200A CN108738200A CN201810589677.1A CN201810589677A CN108738200A CN 108738200 A CN108738200 A CN 108738200A CN 201810589677 A CN201810589677 A CN 201810589677A CN 108738200 A CN108738200 A CN 108738200A
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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
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- H05B45/20—Controlling the colour of the light
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Abstract
The present invention discloses a kind of color temperature adjustment device, the system and method for lamp group, and the lamp group includes several cool colour lamps and several warm colour lamps；The color temperature adjustment device includes：Main control module receives color temperature adjustment information and generates the first control information for controlling the cool colour lamp and the second control information for controlling the warm colour lamp according to the color temperature adjustment information of reception；Cool colour lamp drive module receives the first control information and exports cool colour lamp drive signal according to the first control information；Warm colour lamp drive module receives the second control information and exports warm colour lamp drive signal according to the second control information.The present invention can adjust cool colour lamp and warm colour lamp in lamp group according to the color temperature adjustments information self-adapting such as environment temperature, and the step-less adjustment for realizing colour temperature is matched by changes in temperature light.
Description
" technical field "
The invention belongs to automatic control technology fields, and in particular to the color temperature adjustment technology of lamp group.
" background technology "
Traditional general outdoor lamps and lanterns and LED (light emitting diode) outdoor lamp are monochromatic temperature, and colour temperature cannot should show
Use demand and adjust, therefore chosen in client or there are the selection of photochromic colour temperature puzzlements during use.With society
Progressive and human demand continuous detailed-oriented, the demand of color temperature adjustment is also constantly increasing, and is mainly reflected in：On the one hand, because
Summer in winter such environmental effects need ambient light environment to provide in more cold environment on the psychological response of most people
Warm colour light；And in more extremely hot environment, need ambient light environment to provide cool colour on the psychological response of most people.Another party
Face, it is different in the photosensitive environmental requirement of different times and different geographical people.However, traditional LED outdoor lighting lamps are not
Can solve problems, cause more reasonably to convert in the selection of the photochromic colour temperature of LED outdoor lamp products, if you need into
Product must just be renewed when the photochromic color temperature change of row, to cause the overlapping investment or waste of social resources.Based on this,
Industry is constantly exploring relevant color temperature adjustment technology.
The application for a patent for invention of Chinese Publication No. CN108040391A discloses a kind of street lamp adjusted in road lamp system
The method of colour temperature, includes the following steps：Obtain multiple corresponding energy in street lamp position positioned at intersection in monitoring area
Degree of opinion information；The color temperature value of the multiple street lamp positioned at intersection is correspondingly arranged according to the visibility information；According to position
In the color temperature value of the street lamp of the two neighboring intersection in same a road section, its on the section is set according to arithmetic progression
The color temperature value of remaining street lamp；The color temperature value of street lamp in control monitoring area is adjusted to the color temperature value being correspondingly arranged.The patented technology
The adjusting of street lamp colour temperature is aimed at, but is had the following disadvantages：(1) street lamp color temperature adjustment itself is not disclosed practicable
Technological means；(2) color temperature value of remaining street lamp is arranged according to arithmetic progression, not reasonable.
Chinese notification number is that the utility model patent of CN207369357U discloses and a kind of adjusting out light color temperature and light extraction face
The LED drive circuit of color, wherein the means for adjusting out light color temperature are：It is connected in a manner of switching a colour temperature selection circuit
Then cold light source LED or warm light source leds drive cold light source LED luminance or warm light source led bright by a constant-current driven chip
Degree.This mode can only realize that colour temperature switches, i.e., in some period, only certain class LED (cold light source or warm light source) is lit,
It can not achieve and merges allotment between cold light source and warm light source, also just cannot achieve the step-less adjustment of colour temperature.
" invention content "
The first object of the present invention is to provide a kind of color temperature adjustment device of lamp group, can be according to the colour temperature tune received
The colour temperature of lamp group is adjusted in section information.The first object of the present invention is realized by following technical scheme：
A kind of color temperature adjustment device of lamp group, the lamp group include several cool colour lamps and several warm colour lamps；It is characterized in that,
The color temperature adjustment device includes：
Main control module receives color temperature adjustment information and generates the control cool colour lamp according to the color temperature adjustment information of reception
First control information and the second control information for controlling the warm colour lamp；
Cool colour lamp drive module receives the first control information and according to the first control information output cool colour lamp driving letter
Number；
Warm colour lamp drive module receives the second control information and according to the second control information output warm colour lamp driving letter
Number.
As specific technical solution, the main control module receives the color temperature adjustment information and the colour temperature tune according to reception
It saves information and generates the changes in temperature light for controlling the cool colour lamp and the warm colour lamp with ratio；According to the changes in temperature light control is generated with ratio
It makes the first control information of the cool colour lamp and controls the second control information of the warm colour lamp.
As specific technical solution, the main control module determines matched color temperature value, then root according to color temperature adjustment information
The changes in temperature light adapted to color temperature value is calculated according to the color temperature value and matches ratio.
As specific technical solution, the color temperature adjustment device further includes temperature sensing module, the temperature sensing module
It detects the temperature of the lamp group position and is sent to master control using the temperature sensor signal as the color temperature adjustment information
Module.
As specific technical solution, there is the main control module communication interface, the communication interface to receive command signal simultaneously
It is supplied to main control module using described instruction signal as the color temperature adjustment information.
As specific technical solution, the main control module includes cpu chip and the power supply electricity of cpu chip periphery
Road and crystal oscillating circuit.
As specific technical solution, the temperature sensing module includes digital temperature sensor.
As specific technical solution, the digital temperature sensor is the digital temperature sensing chip with I2C interface,
The I2C interface of the digital temperature sensing chip is connect with the digital temperature acquisition pin of the CPU.
As specific technical solution, the temperature sensing module includes NTC thermistor temperature sensor.
As specific technical solution, the NTC thermistor temperature sensor is the NTC temperature-sensitives with selection control terminal
The output of resistance temperature sensing circuit, the NTC thermistor temperature sensing circuit connects the thermally sensitive temperature acquisition acquisition of the CPU
Pin.
As specific technical solution, the cool colour lamp is cool colour LED light, and the warm colour lamp is warm colour LED light；Described
One control information is the first pwm signal, and the second control information is the second pwm signal；The cool colour lamp drive module is cold
Colored lights constant-current driven module, the warm colour lamp drive module are warm colour lamp constant-current driven module.
As specific technical solution, the cool colour LED light constant-current driven module and warm colour LED light constant-current driven module point
It Bao Kuo not a constant-current driven chip.
As specific technical solution, the cool colour LED light constant-current driven module and warm colour LED light constant-current driven module are also
Amplifying circuit is respectively included, which is set to the output end of the constant-current driven chip.
As specific technical solution, the cool colour LED light constant-current driven module and warm colour LED light constant-current driven module are also
Fly-wheel diode is respectively included, the output end of the amplifying circuit is connected to.
As specific technical solution, the cool colour LED light constant-current driven module and warm colour LED light constant-current driven module are also
Energy storage filter circuit is respectively included, the output end of the fly-wheel diode is set to.
As specific technical solution, a cool colour lamp and a warm colour lamp group synthesize a lamp bead.
The second object of the present invention is to provide a kind of color temperature adjusting system of lamp group, can be according to the colour temperature tune received
The colour temperature of several lamp groups is adjusted in section information.The second object of the present invention is realized by following technical scheme：
A kind of color temperature adjusting system, which is characterized in that including host computer, several lamp groups and several color temperature adjustment devices, institute
It includes several cool colour lamps and several warm colour lamps to state lamp group, and the host computer is connected with several color temperature adjustment device communications, institute
It states color temperature adjustment device and uses above-mentioned color temperature adjustment device.
Third of the present invention is designed to provide a kind of color temperature adjusting method of lamp group, can be according to the color temperature adjustment received
The colour temperature of lamp group is adjusted in information.The present invention third purpose is realized by following technical scheme：
A kind of color temperature adjusting method of lamp group, the lamp group include several cool colour lamps and several warm colour lamps；It is characterized in that,
The color temperature adjusting method includes：
(1) color temperature adjustment information is received；
(2) the first control information for controlling the cool colour lamp is generated according to the color temperature adjustment information of reception and is controlled described warm
Second control information of colored lights；
(3) cool colour lamp drive signal is exported according to the first control information；According to the second control information output warm colour lamp driving
Signal.
As specific technical solution, the step (2) is specially：Receive the color temperature adjustment information and according to reception
Color temperature adjustment information generates the changes in temperature light for controlling the cool colour lamp and the warm colour lamp with ratio；Then matched according to the changes in temperature light
The second control information that ratio generates the first control information for controlling the cool colour lamp and controls the warm colour lamp.
As specific technical solution, acquisition methods of the changes in temperature light described in step (2) with ratio are：According to color temperature adjustment
Information determines matched color temperature value, and the changes in temperature light adapted to color temperature value is calculated further according to the color temperature value and matches ratio.
As specific technical solution, the color temperature adjustment information includes the temperature by detecting the lamp group position
Obtained temperature sensor signal.
As specific technical solution, the color temperature adjustment information includes the command information directly received.
As specific technical solution, the cool colour lamp is cool colour LED light, and the warm colour lamp is warm colour LED light；Described
One control information is the first pwm signal, and the second control information is the second pwm signal；The cool colour lamp drive signal is cold
Color LED light constant current drive signal, the warm colour lamp drive signal are warm colour LED light constant current drive signal.
As specific technical solution, the adjusting method further includes to the cool colour LED light constant current drive signal or warming up
The step of color LED light constant current drive signal is amplified.
The beneficial effects of the present invention are：The present invention can be adjusted according to the color temperature adjustments information self-adapting such as environment temperature
Cool colour lamp and warm colour lamp in lamp group match the adjusting for realizing colour temperature by changes in temperature light.Wherein, main control module receives color temperature adjustment
Two groups of control information of output are judged when information by analysis, control the output drive signal of two-way drive module, one group of drive respectively
Dynamic signal controls warm colour lamp, and another group of drive signal controls cool colour lamp, when cool colour lamp current value is big compared with warm colour temperature group current value,
It is warm colour colour temperature, when warm colour lamp current value and cool colour when warm colour lamp current value is big compared with cool colour temperature group current value for cool colour colour temperature
Lamp current value one to when, be stage casing colour temperature.Particularly, in the case that the color temperature adjustment information sampled is enough, substantially may be used
To realize smooth type step-less adjustment.
" description of the drawings "
Fig. 1 is the composition block diagram for the color temperature adjustment device that the embodiment of the present invention one provides.
Fig. 2 is the schematic diagram of power input connector in the color temperature adjustment device that the embodiment of the present invention one provides.
Fig. 3 is the schematic diagram of serial communication interface in the color temperature adjustment device that the embodiment of the present invention one provides.
Fig. 4 is the circuit diagram of main control module in the color temperature adjustment device that the embodiment of the present invention one provides.
Fig. 5 is the circuit diagram of digital temperature sensor in the color temperature adjustment device that the embodiment of the present invention one provides.
Fig. 6 is that the circuit of NTC thermistor temperature sensor in the color temperature adjustment device that the embodiment of the present invention one provides is former
Reason figure.
Fig. 7 is that the circuit of cool colour LED light constant-current driven module in the color temperature adjustment device that the embodiment of the present invention one provides is former
Reason figure.
Fig. 8 is that the circuit of warm colour LED light constant-current driven module in the color temperature adjustment device that the embodiment of the present invention one provides is former
Reason figure.
Fig. 9 is the schematic diagram of color temperature adjusting system provided by Embodiment 2 of the present invention.
" specific implementation mode "
The specific implementation mode of the present invention is described further below in conjunction with the accompanying drawings：
Embodiment one
The present embodiment is described for the color temperature adjustment of LED light group, accordingly provides a kind of LED light group color temperature adjustment dress
It sets, for carrying out color temperature adjustment to the LED light group being made of several cool colour LED light and several warm colour LED light.As shown in Figure 1, institute
Stating regulating device includes：Main control module, cool colour LED light constant-current driven module, warm colour LED light constant-current driven module and temperature sensing
Module.Main control module has color temperature adjustment information input terminal, the first pwm signal (the first control information) output end and second
Pwm signal (the second control information) output end, color temperature adjustment information input terminal is for accessing color temperature adjustment information；Cool colour
The control terminal of LED light constant-current driven module connects the first pwm signal output end, and driving signal output end connects the cool colour
LED light；The control terminal of the warm colour LED light constant-current driven module connects the second pwm signal output end, drive signal output
End connects the warm colour LED light.
Main control module controls the cool colour LED for receiving color temperature adjustment information and calculating to generate according to color temperature adjustment information
The first PWM (Pulse Width Modulation, the pulse width modulation) signals of lamp and the second of the control warm colour LED light
Pwm signal；Cool colour LED light constant-current driven module is for receiving first pwm signal and exporting cool colour according to the first pwm signal
LED light drive signal；Warm colour LED light constant-current driven module is for receiving second pwm signal and defeated according to the second pwm signal
Go out warm colour LED light drive signal；Temperature sensing module is used to detect the temperature of LED light group position and by temperature sensor signal
It is sent to main control module as a kind of color temperature adjustment information.
Color temperature adjustment information includes mainly temperature sensor signal or direct command signal, and main control module is according to temperature sensing
Signal or command signal determine matched color temperature value, and the changes in temperature light proportioning adapted to color temperature value is calculated further according to color temperature value
Value generates with ratio according to changes in temperature light and controls the first pwm signal of the cool colour LED light and control the of the warm colour LED light
Two pwm signals.Generally, temperature height then control the warm colour LED light the second pwm signal duty ratio it is relatively high, control institute
The duty ratio for stating the first pwm signal of cool colour LED light is relatively low；Temperature is low, controls the 2nd PWM letters of the warm colour LED light
The duty ratio of relatively low, the control cool colour LED light the first pwm signal of number duty ratio is relatively high.When the color sampled
Temperature is adjusted in the case that information is enough or real-time monitoring, and smooth type step-less adjustment may be implemented substantially.
The physical circuit implementation of regulating device provided in this embodiment is as described below：
As shown in Fig. 2, regulating device includes power input connector, there is main control module power supply VCC-3V accesses terminal, perseverance
Flow drive module power supply V-in access terminals and corresponding ground terminal.It is connect as shown in figure 3, regulating device includes serial communication
Mouthful, there is TTL-RX terminals, TTL-TX terminals and ground terminal, for being connected with the serial communication pin of main control module, realize
It is communicated with equipment such as host computers, such as receives the color temperature adjustment information of command signal class.
As shown in figure 4, main control module includes cpu chip and the power circuit and crystal oscillating circuit of cpu chip periphery.Wherein,
It is that a cpu chip is divided into two parts in Fig. 4 (CPU is made of U1A in figure and U1B), it is intended to can more clearly show
Each functional pin.Specifically, cpu chip uses STC8A4K32S2A12 cake cores, it is also an option that CC1310F64RSM,
The chip of STC15W1K24S cake cores or other similar functions.Crystal oscillating circuit includes the CPU work crystal oscillators and one of a 24MHZ
The RTC crystal oscillators of a 32.768KHz.The main control module power supply VCC-3V of power input connector access is after the processing of energy storage filter circuit
As CPU working power CPU-VDD, working power is provided for main control module.Cpu chip has multiple I/O pins, wherein the 9th draws
Output pin of the foot (CoolColor-Drive) as the first pwm signal, the 10th pin (WarmColor-Drive) is as the
The output pin of two pwm signals, the 15th (TTL-RX), the 16th (TTL-TX) pin are as serial communication pin, the 22nd (TEMP-
NTC-AD0), the 23rd (TEMP-ZR-AD1), pin acquire pin as thermally sensitive temperature, and the 26th (NTC-SEL) pin is as temperature-sensitive
Temperature acquisition controlling switch, the 24th (I2C-SCL), the 25th (I2C-SDA) pin are as digital temperature acquisition pin.Cpu chip
Also radio communication pin (RF_P and RF_N) and program download pin (TCKC and TMSC).
In the present embodiment, temperature sensing module includes digital temperature sensor and NTC thermistor temperature sensor.Such as figure
Shown in 5, digital temperature sensor is the digital temperature sensing chip with I2C interface, such as the core of TMP112AIDRLT models
Piece, the I2C interface of digital temperature sensing chip and the digital temperature acquisition pin of CPU connect.
As shown in fig. 6, NTC thermistor temperature sensor is the NTC thermistor with selection control terminal (NTC-SEL)
Temperature sensing circuit, the NTC thermistor temperature sensing circuit include resistance R2, metal-oxide-semiconductor Q2, resistance R3, resistance R4, capacitance
C18, NTC thermistor RT1 (the present embodiment uses MF52A2103F3380), fuse FU2, capacitance C20, resistance R5, voltage stabilizing
Diode D3 and capacitance C19.Resistance R2 is connected between the poles G of metal-oxide-semiconductor Q2 and the poles D, the poles the G connection cpu chip of metal-oxide-semiconductor Q2
The poles S of thermally sensitive temperature acquisition control pin NTC-SEL, metal-oxide-semiconductor Q2 are through resistance R3 and capacitance C18 ground connection；NTC thermistor RT1
One end is grounded, and the other end connects one end of fuse FU2；The one end resistance R4 connects CPU working power CPU-VDD, and the other end connects
Connect the other end of fuse FU2 and the node of resistance R3 and capacitance C18；Capacitance C20 be connected to CPU working powers CPU-VDD and
Between ground, the one end resistance R5 connects CPU working power CPU-VDD, and the other end connects the cathode of zener diode D3, two pole of voltage stabilizing
The plus earth of pipe D3；Capacitance C19 is connected to the both ends zener diode D3；The node of resistance R3 and capacitance C18, resistance R5 and steady
The thermally sensitive temperature that the node of pressure diode D3 is separately connected the CPU as the output of NTC thermistor temperature sensing circuit is adopted
Collect pin.
In the present embodiment, temperature sensing module is controllable, can select its work or not work, and is generally controlled in instruction
Mode under can interrupt the work of temperature sensing module.At this point, main control module, cool colour LED light constant-current driven module and warm colour LED
Lamp constant-current driven module is uniformly controlled according to background system (host computer, industrial control host).
As shown in fig. 7, cool colour LED light constant-current driven module includes a constant-current driven chip, constant-current driven chip choosing
Select SM32105E types or similar chip, the output pin of the first pwm signal of the control terminal connection CPU of chip, power end connection
The V-in of power input connector accesses terminal.In order to meet different loading demands, the cool colour LED light constant current driving of the present embodiment
Module further includes amplifying circuit, and amplifying circuit is set to the output end of constant-current driven chip, in constant-current driven chip output current
When inadequate, by one or more levels amplification, to reach the power output of bigger.
Use multistage amplification factor be product β per level-one amplification factor always=β n, formula are β 1* β 2* β 3 ...：IC=β IB
IE=(1+ β) IB, need different electric currents that can be calculated according to this formula.Annotation：IB：For base current, IC：Current collection grade electricity
Stream, IE：For emitter current.Citing：To drive lamp plate electric current be 2.2A when, control U2 driving currents output if
0.2A, by formula：IE=(1+ β) IB, β=10 select suitable transistor model, adjust the resistance on collector, make it
Stablize output 2.2A constant currents.
In the present embodiment, cool colour LED light constant-current driven module respectively further comprises fly-wheel diode and energy storage filter circuit, continues
Stream diode is connected to the output end of the amplifying circuit, and energy storage filter circuit is set to the output end of the fly-wheel diode.
In conjunction with shown in Fig. 7 and Fig. 8, the construction phase of warm colour LED light constant-current driven module and cool colour LED light constant-current driven module
Together, unlike, the output pin of the second pwm signal of the control terminal connection CPU of warm colour LED light constant-current driven module.
It should be noted that the LED light in the present embodiment can also change other common cool colour lamps and warm colour lamp and phase into
The drive module of adaptation.It, can also be by addition, when a cool colour lamp and the warm colour lamp group synthesize a lamp bead
Control is adjusted according to foregoing manner.
Embodiment two：
In conjunction with shown in Fig. 9, the present embodiment provides a kind of color temperature adjusting systems, including host computer, lamp group and color temperature adjustment dress
It sets, lamp group and color temperature adjustment device may each be multigroup, and each lamp group includes several cool colour lamps and several warm colour lamps, and host computer is logical
It crosses the communication of communication network and several color temperature adjustment devices to connect, the color temperature adjustment device is a kind of described using above-described embodiment
Color temperature adjustment device.
Embodiment three
Embodiment three provides a kind of LED light group color temperature adjusting method, for by several cool colour LED light and several warm colours
The LED light group of LED light composition carries out color temperature adjustment.The adjusting method includes：
(1) color temperature adjustment information is received；
(2) and according to the color temperature adjustment information of reception the first pwm signal for controlling the cool colour LED light and control institute are generated
State the second pwm signal of warm colour LED light；
(3) cool colour LED light drive signal is exported according to the first pwm signal；Warm colour LED light is exported according to the second pwm signal
Drive signal.
Color temperature adjustment information described in step (1) includes temperature sensor signal；The step (2) is specially：Acquisition institute
It states the temperature of LED light group position and matched color temperature value is determined according to temperature sensor signal, further according to the color temperature value meter
It calculates the changes in temperature light for obtaining adapting to color temperature value and matches ratio, the control cool colour LED is generated with ratio according to the changes in temperature light
First pwm signal of lamp and the second pwm signal for controlling the warm colour LED light.
Color temperature adjustment information described in step (1) further includes command signal, and the step (2) is specially：Determining and institute
The matched color temperature value of command signal is stated, the changes in temperature light adapted to the color temperature value, which is calculated, further according to the color temperature value matches
Value generates the first pwm signal of the control cool colour LED light with ratio according to the changes in temperature light and controls the warm colour LED light
The second pwm signal.
Above-mentioned adjusting method further includes to cool colour LED light drive signal described in step (3) or warm colour LED light drive signal
The step of being amplified.
Lamp group color temperature adjustment device and method provided by the invention can make lamp brightness and colour temperature follow local ring
Border, climate temperature or system default parameter value change and change, the soft exquisiteness of light, photochromic variation smoothes out nature.Work as environment
When temperature is higher, soft dim light makes one warm such as Mu Chunfeng；Cool colour light is a burst of to people's fresh breeze when temperature is higher, nice and cool
Feel, can be widely applied to various illumination occasions.
Above example be only it is fully open is not intended to limit the present invention, all creation purports based on the present invention need not move through
The replacement for the equivalence techniques feature that creative work can wait until should be considered as the range of the application exposure.
Claims (26)
1. a kind of color temperature adjustment device of lamp group, the lamp group includes several cool colour lamps and several warm colour lamps；It is characterized in that, institute
Stating color temperature adjustment device includes：
Main control module receives color temperature adjustment information and generates the first of the control cool colour lamp according to the color temperature adjustment information of reception
It controls information and controls the second control information of the warm colour lamp；
Cool colour lamp drive module receives the first control information and exports cool colour lamp drive signal according to the first control information；
Warm colour lamp drive module receives the second control information and exports warm colour lamp drive signal according to the second control information.
2. color temperature adjustment device according to claim 1, which is characterized in that the main control module receives the color temperature adjustment
Information simultaneously generates the changes in temperature light for controlling the cool colour lamp and the warm colour lamp according to the color temperature adjustment information of reception with ratio；According to
The second control letter that the changes in temperature light generates the first control information for controlling the cool colour lamp with ratio and controls the warm colour lamp
Breath.
3. color temperature adjustment device according to claim 2, which is characterized in that the main control module is according to color temperature adjustment information
It determines matched color temperature value, the changes in temperature light adapted to color temperature value is calculated further according to the color temperature value and matches ratio.
4. color temperature adjustment device according to claim 3, which is characterized in that the color temperature adjustment device further includes that temperature passes
Feel module, which detects the temperature of the lamp group position and using the temperature sensor signal as the color
Temperature adjusts information and is sent to main control module.
5. color temperature adjustment device according to claim 1 or 2 or 3 or 4, which is characterized in that the main control module has logical
Believe that interface, the communication interface receive command signal and is supplied to master control mould using described instruction signal as the color temperature adjustment information
Block.
6. color temperature adjustment device according to claim 4, which is characterized in that the main control module include cpu chip,
And the power circuit and crystal oscillating circuit of cpu chip periphery.
7. color temperature adjustment device according to claim 6, which is characterized in that the temperature sensing module includes digital temperature
Sensor.
8. color temperature adjustment device according to claim 7, which is characterized in that the digital temperature sensor is with I2C
The digital temperature sensing chip of interface, the digital temperature acquisition pin of the I2C interface of the digital temperature sensing chip and the CPU
Connection.
9. color temperature adjustment device according to claim 6, which is characterized in that the temperature sensing module includes NTC temperature-sensitives
Resistance temperature sensor.
10. color temperature adjustment device according to claim 9, which is characterized in that the NTC thermistor temperature sensor is
The output of NTC thermistor temperature sensing circuit with selection control terminal, the NTC thermistor temperature sensing circuit connects institute
State the thermally sensitive temperature acquisition acquisition pin of CPU.
11. according to the color temperature adjustment device described in claims 1 or 2 or 3 or 4 or 6, which is characterized in that the cool colour lamp is cold
Color LED light, the warm colour lamp are warm colour LED light.
12. color temperature adjustment device according to claim 11, which is characterized in that the first control information is the first PWM
Signal, the second control information is the second pwm signal；The cool colour lamp drive module is cool colour lamp constant-current driven module, institute
It is warm colour lamp constant-current driven module to state warm colour lamp drive module.
13. color temperature adjustment device according to claim 12, which is characterized in that the cool colour LED light constant-current driven module
And warm colour LED light constant-current driven module respectively includes a constant-current driven chip.
14. color temperature adjustment device according to claim 13, which is characterized in that the cool colour LED light constant-current driven module
And warm colour LED light constant-current driven module respectively further comprises amplifying circuit, which is set to the constant-current driven chip
Output end.
15. color temperature adjustment device according to claim 14, which is characterized in that the cool colour LED light constant-current driven module
And warm colour LED light constant-current driven module respectively further comprises fly-wheel diode, is connected to the output end of the amplifying circuit.
16. color temperature adjustment device according to claim 15, which is characterized in that the cool colour LED light constant-current driven module
And warm colour LED light constant-current driven module respectively further comprises energy storage filter circuit, is set to the output end of the fly-wheel diode.
17. according to the color temperature adjustment device described in claims 1 or 2 or 3 or 4 or 6, which is characterized in that a cool colour lamp
A lamp bead is synthesized with a warm colour lamp group.
18. a kind of color temperature adjusting system, which is characterized in that described including host computer, several lamp groups and several color temperature adjustment devices
Lamp group includes several cool colour lamps and several warm colour lamps, and the host computer is connected with several color temperature adjustment device communications, described
Color temperature adjustment device is using the color temperature adjustment device described in claim 1 to 17 any one.
19. a kind of color temperature adjusting method of lamp group, the lamp group includes several cool colour lamps and several warm colour lamps；It is characterized in that,
The color temperature adjusting method includes：
(1) color temperature adjustment information is received；
(2) the first control information for controlling the cool colour lamp is generated according to the color temperature adjustment information of reception and controls the warm colour lamp
Second control information；
(3) cool colour lamp drive signal is exported according to the first control information；Warm colour lamp drive signal is exported according to the second control information.
20. color temperature adjusting method according to claim 19, which is characterized in that the step (2) is specially：Described in reception
Color temperature adjustment information is simultaneously matched according to the changes in temperature light of the color temperature adjustment information of the reception generation control cool colour lamp and the warm colour lamp
Ratio；Then it is generated with ratio according to the changes in temperature light and controls the first control information of the cool colour lamp and control the warm colour lamp
Second control information.
21. color temperature adjusting method according to claim 20, which is characterized in that changes in temperature light described in step (2) matches ratio
Acquisition methods be：Matched color temperature value is determined according to color temperature adjustment information, is calculated further according to the color temperature value and colour temperature
The changes in temperature light that value adapts to matches ratio.
22. according to the color temperature adjusting method described in claim 19 to 21 any one, which is characterized in that the color temperature adjustment letter
Breath includes the temperature sensor signal obtained by detecting the temperature of the lamp group position.
23. according to the color temperature adjusting method described in claim 19 to 21 any one, which is characterized in that the color temperature adjustment letter
Breath includes the command information directly received.
24. according to the color temperature adjusting method described in claim 19 to 21 any one, which is characterized in that the cool colour lamp is cold
Color LED light, the warm colour lamp are warm colour LED light.
25. color temperature adjusting method according to claim 24, which is characterized in that the first control information is the first PWM
Signal, the second control information is the second pwm signal；The cool colour lamp drive signal is cool colour LED light constant current drive signal,
The warm colour lamp drive signal is warm colour LED light constant current drive signal.
26. color temperature adjusting method according to claim 25, which is characterized in that the adjusting method further includes to described cold
The step of color LED light constant current drive signal or warm colour LED light constant current drive signal are amplified.
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