CN208707989U - The color temperature adjustment apparatus and system of lamp group - Google Patents
The color temperature adjustment apparatus and system of lamp group Download PDFInfo
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- CN208707989U CN208707989U CN201820936374.8U CN201820936374U CN208707989U CN 208707989 U CN208707989 U CN 208707989U CN 201820936374 U CN201820936374 U CN 201820936374U CN 208707989 U CN208707989 U CN 208707989U
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- temperature adjustment
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Abstract
The utility model discloses a kind of color temperature adjustment apparatus and system of 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 color temperature adjustment information generates the first control information of the control cool colour lamp and controls the second control information of the warm colour lamp based on the received；Cool colour lamp drive module receives the first control information and exports cool colour lamp driving signal according to the first control information；Warm colour lamp drive module receives the second control information and exports warm colour lamp driving signal according to the second control information.The utility model 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 utility model belongs to automatic control technology field, and in particular to the color temperature adjustment technology of lamp group.
Background technique
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 client choose or use process in there are the selection of photochromic colour temperature puzzlements.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 lamp is not
Can solve problems, cause more reasonably convert in the selection of the photochromic colour temperature of LED outdoor lamp product, 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: to 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 it is practicable to have the disadvantage that (1) is not disclosed with regard to street lamp color temperature adjustment itself
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 adjusts out light color temperature and out light face
The LED drive circuit of color, wherein adjusting out the means of light color temperature are as follows: connected in a manner of switching a colour temperature selection circuit
Then cold light source LED or warm light source led 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.
Utility model content
The first of the utility model is designed to provide a kind of color temperature adjustment device of lamp group, can be according to the color received
Temperature adjusts information and the colour temperature of lamp group is adjusted.First purpose of the utility model is realized by the 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 color temperature adjustment information generates the control cool colour lamp based on the received
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 a specific technical scheme, the main control module receives the color temperature adjustment information and based on the received colour temperature tune
It saves information and generates the changes in temperature light for controlling the cool colour lamp and the warm colour lamp with ratio；Control is generated with ratio according to the changes in temperature light
It makes the first control information of the cool colour lamp and controls the second control information of the warm colour lamp.
As a specific technical scheme, 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 with ratio.
As a specific technical scheme, the color temperature adjustment device further includes temperature sensing module, the temperature sensing module
It detects the temperature of the lamp group position and the temperature sensor signal that will test is sent to as the color temperature adjustment information
Main control module.
As a specific technical scheme, the main control module has communication interface, which receives command signal simultaneously
Main control module is supplied to using described instruction signal as the color temperature adjustment information.
As a specific technical scheme, the main control module includes the power supply electricity of cpu chip and cpu chip periphery
Road and crystal oscillating circuit.
As a specific technical scheme, the temperature sensing module includes digital temperature sensor.
As a specific technical scheme, 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 a specific technical scheme, the temperature sensing module includes NTC thermistor temperature sensor.
As a specific technical scheme, the NTC thermistor temperature sensor is the NTC heat with selection control terminal
Quick resistance temperature sensing circuit, the output of the NTC thermistor temperature sensing circuit connect the thermally sensitive temperature acquisition of the CPU
Acquire pin.
As a specific technical scheme, the cool colour lamp is cool colour LED light, and the warm colour lamp is warm colour LED lamp；It is described
First control information is the first pwm signal, and the second control information is the second pwm signal；The cool colour lamp drive module is
Cool colour LED light constant-current driven module, the warm colour lamp drive module are warm colour LED light constant-current driven module.
As a specific technical scheme, 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 a specific technical scheme, the cool colour LED light constant-current driven module and warm colour LED light constant-current driven module be also
Amplifying circuit is respectively included, which is set to the output end of the constant-current driven chip.
As a specific technical scheme, the cool colour LED light constant-current driven module and warm colour LED light constant-current driven module be also
Freewheeling diode is respectively included, the output end of the amplifying circuit is connected to.
As a specific technical scheme, the cool colour LED light constant-current driven module and warm colour LED light constant-current driven module be also
Energy storage filter circuit is respectively included, the output end of the freewheeling diode is set to.
As a specific technical scheme, a cool colour lamp and a warm colour lamp group synthesize a lamp bead.
The second of the utility model is designed to provide a kind of color temperature adjusting system of lamp group, can be according to the color received
Temperature adjusts information and the colour temperature of several lamp groups is adjusted.Second purpose of the utility model is realized by the 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
Stating lamp group includes several cool colour lamps and several warm colour lamps, the host computer and several color temperature adjustment device communication connections, institute
Color temperature adjustment device is stated using above-mentioned color temperature adjustment device.
The utility model has the beneficial effects that: the utility model can be adaptive according to the color temperature adjustments information such as environment temperature
It adjusts cool colour lamp and warm colour lamp in lamp group with answering, the adjusting for realizing colour temperature is matched by changes in temperature light.Wherein, main control module receives
Two groups of control information of judgement output, the output driving for controlling two-way drive module respectively are believed by analysis when color temperature adjustment information
Number, one group of driving signal controls warm colour lamp, and another group of driving signal controls cool colour lamp, when cool colour lamp current value is compared with warm colour Wen Zu electricity
It is cool colour colour temperature when flow valuve is big, is warm colour colour temperature when warm colour lamp current value is big compared with cool colour temperature group current value, when warm colour lamp electricity
Flow valuve and cool colour lamp current value one to when, be middle section colour temperature.Particularly, the situation enough when the color temperature adjustment information sampled
Under, smooth type step-less adjustment may be implemented substantially.
Detailed description of the invention
Fig. 1 is the composition block diagram for the color temperature adjustment device that the utility model embodiment one provides.
The schematic diagram of power input connector in the color temperature adjustment device that Fig. 2 provides for the utility model embodiment one.
The schematic diagram of serial communication interface in the color temperature adjustment device that Fig. 3 provides for the utility model embodiment one.
The circuit diagram of main control module in the color temperature adjustment device that Fig. 4 provides for the utility model embodiment one.
The circuit theory of digital temperature sensor in the color temperature adjustment device that Fig. 5 provides for the utility model embodiment one
Figure.
The electricity of NTC thermistor temperature sensor in the color temperature adjustment device that Fig. 6 provides for the utility model embodiment one
Road schematic diagram.
The electricity of cool colour LED light constant-current driven module in the color temperature adjustment device that Fig. 7 provides for the utility model embodiment one
Road schematic diagram.
The electricity of warm colour LED light constant-current driven module in the color temperature adjustment device that Fig. 8 provides for the utility model embodiment one
Road schematic diagram.
Fig. 9 is the schematic diagram for the color temperature adjusting system that the utility model embodiment two provides.
Specific embodiment
Specific embodiment of the present utility model is described further with reference to the accompanying drawing:
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, driving 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, pulse width modulation) signal and the second of the control warm colour LED light of lamp
Pwm signal；Cool colour LED light constant-current driven module is for receiving the first PWM signal and being exported according to the first pwm signal cold
Color LED light driving signal；Warm colour LED light constant-current driven module is for receiving second pwm signal and according to the second pwm signal
Export warm colour LED light driving signal；Temperature sensing module is used to detect the temperature of LED light group position and believes temperature sensing
Number main control module is sent to as a kind of color temperature adjustment information.
Color temperature adjustment information mainly includes 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 adapted to color temperature value is calculated further according to color temperature value and matches
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 lamp 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 letter 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 to access terminal, perseverance
Flow drive module power supply V-in access terminal and corresponding ground terminal.As shown in figure 3, regulating device includes that serial communication connects
Mouthful, there is TTL-RX terminal, TTL-TX terminal and ground terminal, connected for the serial communication pin with 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 the power circuit and crystal oscillating circuit of cpu chip and 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 core, it is also an option that CC1310F64RSM,
The chip of STC15W1K24S cake core or other similar functions.Crystal oscillating circuit includes the CPU work crystal oscillator and one of a 24MHZ
The RTC crystal oscillator 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
Output pin of the pin (CoolColor-Drive) as the first pwm signal, the 10th pin (WarmColor-Drive) conduct
The output pin of second pwm signal, the 15th (TTL-RX), the 16th (TTL-TX) pin are as serial communication pin, and the 22nd
(TEMP-NTC-AD0), the 23rd (TEMP-ZR-AD1), pin acquire pin as thermally sensitive temperature, and the 26th (NTC-SEL) pin is made
For thermally sensitive temperature acquisition control pin, 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 downloading 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 model
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 temperature-sensitive electricity with selection control terminal (NTC-SEL)
Temperature sensing circuit is hindered, which includes resistance R2, metal-oxide-semiconductor Q2, resistance R3, resistance R4, capacitor
C18, NTC thermistor RT1 (the present embodiment uses MF52A2103F3380), fuse FU2, capacitor C20, resistance R5, pressure stabilizing
Diode D3 and capacitor C19.Resistance R2 is connected between the pole G and the pole D of MOS pipe Q2, and the pole G of metal-oxide-semiconductor Q2 connects cpu chip
The pole S of thermally sensitive temperature acquisition control pin NTC-SEL, metal-oxide-semiconductor Q2 be grounded through resistance R3 and capacitor C18；NTC thermistor
The one end RT1 ground connection, the other end connect one end of fuse FU2；The one end resistance R4 connects CPU working power CPU-VDD, the other end
Connect the other end of fuse FU2 and the node of resistance R3 and capacitor C18；Capacitor C20 is connected to CPU working power CPU-VDD
Between ground, the one end resistance R5 connects CPU working power CPU-VDD, and the other end connects the cathode of zener diode D3, pressure stabilizing two
The plus earth of pole pipe D3；Capacitor C19 is connected to the both ends zener diode D3；The node of resistance R3 and capacitor C18, resistance R5 and
The node of zener diode D3 is separately connected the thermally sensitive temperature of the CPU as the output of NTC thermistor temperature sensing circuit
Acquire pin.
In the present embodiment, temperature sensing module be it is controllable, can choose its work or do not work, generally instruction control
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 type 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, exports electric current in constant-current driven chip
When inadequate, amplified by one or more levels, to reach bigger power output.
Use multistage amplification factor be the product β of every level-one amplification factor always=β 1* β 2* β 3 ... β n, formula are as follows: 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
Electric current, IE: for emitter current.Citing: to drive lamp plate electric current be 2.2A when, control U2 driving current 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 current.
In the present embodiment, cool colour LED light constant-current driven module respectively further comprises freewheeling 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 freewheeling diode.
Referring to figs. 7 and 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:
As shown in connection with 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 multiple groups, and each lamp group includes several cool colour lamps and several warm colour lamps, and host computer is logical
Communication network and several color temperature adjustment device communication connections are crossed, the color temperature adjustment device is using described in above-described embodiment one kind
Color temperature adjustment device.
Lamp group color temperature adjustment apparatus and system provided by the utility model, can make lamp brightness and colour temperature follow locality
Environment, climate temperature or system default parameter value change and change, the soft exquisiteness of light, photochromic variation is smooth natural.When
When environment 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, cool
Refreshing feeling can be widely applied to various illumination occasions.
Above embodiments are only sufficiently open rather than limitation the utility model, all creation purports based on the utility model,
The replacement for needing not move through the equivalence techniques feature that creative work can wait until should be considered as the range of the application exposure.
Claims (18)
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 color temperature adjustment information generates the first of the control cool colour lamp based on the received
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 driving signal according to the first control information；
Warm colour lamp drive module receives the second control information and exports warm colour lamp driving 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 and based on the received color temperature adjustment information generate the changes in temperature light for controlling the cool colour lamp and the warm colour lamp 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 with 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 the temperature sensor signal that will test is as institute
It states color temperature adjustment 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 interface, which receives command signal and be supplied to master control mould for 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-sensitive
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. color temperature adjustment device described according to claim 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 LED light constant-current driven module,
The warm colour lamp drive module is warm colour LED light constant-current driven 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 freewheeling 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 freewheeling diode.
17. color temperature adjustment device described according to claim 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, the host computer and several color temperature adjustment device communication connections, described
Color temperature adjustment device is using color temperature adjustment device described in claim 1 to 17 any one.
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| CN108738200A (en) * | 2018-06-08 | 2018-11-02 | 珠海金晟照明科技有限公司 | Color temperature adjustment device, the system and method for lamp group |
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| CN108738200A (en) * | 2018-06-08 | 2018-11-02 | 珠海金晟照明科技有限公司 | Color temperature adjustment device, the system and method for lamp group |
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