CN108738200A - Color temperature adjustment device, the system and method for lamp group - Google Patents

Abstract

The invention discloses a color temperature adjustment device, system and method of a lamp group. The lamp group includes several cool-color lamps and several warm-color lamps; the color temperature adjustment device includes: a main control module, which receives color temperature adjustment information and adjusts the color temperature according to the received Information generating first control information for controlling the cool-color lamp and second control information for controlling the warm-color lamp; a cool-color lamp driving module, receiving the first control information and outputting a cool-color lamp driving signal according to the first control information; warm-color lamp The driving module receives the second control information and outputs a warm-color lamp driving signal according to the second control information. The invention can adaptively adjust the cool-color lamps and warm-color lamps in the lamp group according to the color temperature adjustment information such as the ambient temperature, and realize the stepless adjustment of the color temperature through the ratio of cold and warm lights.

Description

Color temperature adjustment device, system and method of lamp group

〖Technical field〗

The invention belongs to the technical field of automatic control, and in particular relates to the color temperature adjustment technology of a lamp group.

〖Background technique〗

Traditional ordinary outdoor lamps and LED (light-emitting diode) outdoor lamps have a single color temperature, and their color temperature cannot be adjusted to meet the needs of on-site use. Therefore, there is a problem in the selection of light color and color temperature in the process of customer purchase or use. With the progress of society and the continuous refinement of human needs, the demand for color temperature adjustment is also increasing, which is mainly reflected in: On the one hand, due to the influence of environmental factors in winter and summer, most people's psychological perception in a relatively cold environment The ambient light environment needs to provide warm light; while in a relatively hot environment, most people need the ambient light environment to provide cool colors in terms of psychological perception. On the other hand, the photosensitive environment requirements of people in different periods and regions are different. However, traditional LED outdoor lighting fixtures cannot solve such problems, resulting in the inability to make more reasonable changes in the selection of light color and color temperature of LED outdoor lighting products. Cause duplication or waste of social resources. Based on this, the industry is constantly exploring related color temperature adjustment technologies.

The invention patent application with the Chinese publication number CN108040391A discloses a method for adjusting the color temperature of street lamps in a street lamp system, which includes the following steps: obtaining the visibility information corresponding to the locations of multiple street lamps located at intersections in the monitored area; Correspondingly setting the color temperature values of the plurality of street lamps located at the intersection; according to the color temperature values of the street lamps at two adjacent intersections located on the same road section, setting the color temperature values of the remaining street lamps on the road section according to an arithmetic sequence; Control and adjust the color temperature of the street lamps in the monitored area to the corresponding set color temperature. This patented technology aims to realize the adjustment of the color temperature of street lamps, but it has the following deficiencies: (1) There is no practical and feasible technical means for the adjustment of the color temperature of street lamps; Reasonable.

The utility model patent with the Chinese notification number CN207369357U discloses an LED drive circuit for adjusting the color temperature and color of the light output, wherein the means for adjusting the color temperature of the light output is: through a color temperature selection circuit to switch on the cold light source LED or the warm light source LED , and then drive the brightness of cold light source LED or warm light source LED through a constant current driver chip. This method can only achieve color temperature switching, that is, in a certain period of time, only a certain type of LED (cold light source or warm light source) is lit, and it cannot realize the integration and deployment of cold light source and warm light source, and it cannot achieve color temperature. stepless adjustment.

〖Invention content〗

The first object of the present invention is to provide a color temperature adjustment device for a lamp group, which can adjust the color temperature of the lamp group according to the received color temperature adjustment information. First purpose of the present invention is achieved by the following technical solutions:

A color temperature adjustment device for a lamp group, the lamp group includes several cool-color lamps and several warm-color lamps; it is characterized in that the color temperature adjustment device includes:

The main control module receives color temperature adjustment information and generates first control information for controlling the cool-color lamp and second control information for controlling the warm-color lamp according to the received color temperature adjustment information;

A cold-color lamp driving module, receiving the first control information and outputting a cold-color lamp driving signal according to the first control information;

The warm-color lamp driving module receives the second control information and outputs a warm-color lamp driving signal according to the second control information.

As a specific technical solution, the main control module receives the color temperature adjustment information and generates and controls the cold and warm light ratio value of the cool color light and the warm color light according to the received color temperature adjustment information; generates the control light ratio value according to the cold and warm light ratio The first control information for the cool-color lamp and the second control information for controlling the warm-color lamp.

As a specific technical solution, the main control module determines a matching color temperature value according to the color temperature adjustment information, and then calculates a cool-warm light ratio value adapted to the color temperature value according to the color temperature value.

As a specific technical solution, the color temperature adjustment device further includes a temperature sensing module, which detects the temperature at the location of the lamp group and sends the temperature sensing signal to the main controller as the color temperature adjustment information module.

As a specific technical solution, the main control module has a communication interface, and the communication interface receives an instruction signal and provides the instruction signal to the main control module as the color temperature adjustment information.

As a specific technical solution, the main control module includes a CPU chip, and a power supply circuit and a crystal oscillator circuit around the CPU chip.

As a specific technical solution, the temperature sensing module includes a digital temperature sensor.

As a specific technical solution, the digital temperature sensor is a digital temperature sensing chip with an I2C interface, and the I2C interface of the digital temperature sensing chip is connected to the digital temperature acquisition pin of the CPU.

As a specific technical solution, the temperature sensing module includes an NTC thermistor temperature sensor.

As a specific technical solution, the NTC thermistor temperature sensor is an NTC thermistor temperature sensing circuit with a selection control terminal, and the output of the NTC thermistor temperature sensing circuit is connected to the thermosensitive temperature acquisition lead of the CPU. foot.

As a specific technical solution, the cool-color lamp is a cool-color LED lamp, and the warm-color lamp is a warm-color LED lamp; the first control information is a first PWM signal, and the second control information is a second PWM signal; the The cold-color lamp driving module is a constant-current driving module for cool-color lamps, and the warm-color lamp driving module is a constant-current driving module for warm-color lamps.

As a specific technical solution, the constant-current drive module for the cool-color LED lamp and the constant-current drive module for the warm-color LED lamp respectively include a constant-current drive chip.

As a specific technical solution, the cool-color LED lamp constant-current drive module and the warm-color LED lamp constant-current drive module further include amplifier circuits respectively, and the amplifier circuits are arranged at the output end of the constant-current drive chip.

As a specific technical solution, the cool-color LED lamp constant-current drive module and the warm-color LED lamp constant-current drive module further include freewheeling diodes, which are connected to the output end of the amplifying circuit.

As a specific technical solution, the constant-current drive module for cool-color LED lamps and the constant-current drive module for warm-color LED lamps further include energy storage filter circuits, which are arranged at the output ends of the freewheeling diodes.

As a specific technical solution, one of the cool-color lamps and one of the warm-color lamps are combined into one lamp bead.

The second object of the present invention is to provide a color temperature adjustment system of lamp groups, which can adjust the color temperature of several lamp groups according to the received color temperature adjustment information. The second purpose of the present invention is achieved by the following technical solutions:

A color temperature adjustment system, characterized in that it includes a host computer, several lamp groups and several color temperature adjustment devices, the lamp group includes several cool-color lamps and several warm-color lamps, and the host computer communicates with several of the color temperature adjustment devices, The color temperature adjusting device adopts the above-mentioned color temperature adjusting device.

The third object of the present invention is to provide a method for adjusting the color temperature of a lamp group, which can adjust the color temperature of the lamp group according to the received color temperature adjustment information. This third object of the present invention is achieved by the following technical solutions:

A method for adjusting the color temperature of a lamp group, wherein the lamp group includes several cold-color lamps and several warm-color lamps; it is characterized in that the color temperature adjustment method includes:

(1) Receive color temperature adjustment information;

(2) generating first control information for controlling the cool-color lamp and second control information for controlling the warm-color lamp according to the received color temperature adjustment information;

(3) outputting the driving signal of the cold color lamp according to the first control information; outputting the driving signal of the warm color lamp according to the second control information.

As a specific technical solution, the step (2) specifically includes: receiving the color temperature adjustment information and generating and controlling the cold and warm light ratio values of the cool color lamp and the warm color lamp according to the received color temperature adjustment information; and then according to the cool and warm The light distribution ratio value generates first control information for controlling the cold color lamp and second control information for controlling the warm color lamp.

As a specific technical solution, the method for obtaining the ratio of cool and warm light in step (2) is: determine the matching color temperature value according to the color temperature adjustment information, and then calculate the ratio of cool and warm light adapted to the color temperature value according to the color temperature value.

As a specific technical solution, the color temperature adjustment information includes a temperature sensing signal obtained by detecting the temperature at the location where the lamp group is located.

As a specific technical solution, the color temperature adjustment information includes directly received instruction information.

As a specific technical solution, the cool-color lamp is a cool-color LED lamp, and the warm-color lamp is a warm-color LED lamp; the first control information is a first PWM signal, and the second control information is a second PWM signal; the The cool-color lamp driving signal is a constant-current driving signal of a cool-color LED lamp, and the warm-color lamp driving signal is a constant-current driving signal of a warm-color LED lamp.

As a specific technical solution, the adjusting method further includes the step of amplifying the constant-current driving signal of the cool-color LED lamp or the constant-current driving signal of the warm-color LED lamp.

The beneficial effect of the present invention is that: the present invention can adaptively adjust the cool-color lamps and warm-color lamps in the lamp group according to the color temperature adjustment information such as the ambient temperature, and realize the adjustment of the color temperature through the ratio of cold and warm lights. Among them, when the main control module receives the color temperature adjustment information, it outputs two sets of control information after analyzing and judging, respectively controlling the output drive signals of the two drive modules, one set of drive signals controls the warm-color lights, and the other set of drive signals controls the cool-color lights. When the lamp current value is larger than the current value of the warm color temperature group, it is a cool color temperature. When the warm color lamp current value is larger than the cool color temperature group current value, it is a warm color temperature. When the warm color lamp current value is equal to the cool color lamp current value, it is a middle color temperature. . In particular, when the sampled color temperature adjustment information is sufficient, smooth stepless adjustment can basically be realized.

〖Description〗

FIG. 1 is a block diagram of a color temperature adjustment device provided by Embodiment 1 of the present invention.

FIG. 2 is a schematic diagram of a power input connector in the color temperature adjustment device provided by Embodiment 1 of the present invention.

FIG. 3 is a schematic diagram of a serial communication interface in the color temperature adjustment device provided by Embodiment 1 of the present invention.

FIG. 4 is a schematic circuit diagram of a main control module in the color temperature adjustment device provided by Embodiment 1 of the present invention.

FIG. 5 is a schematic circuit diagram of a digital temperature sensor in the color temperature adjustment device provided by Embodiment 1 of the present invention.

FIG. 6 is a schematic circuit diagram of an NTC thermistor temperature sensor in the color temperature adjustment device provided in Embodiment 1 of the present invention.

FIG. 7 is a schematic circuit diagram of a constant current driving module of a cool-color LED lamp in the color temperature adjustment device provided by Embodiment 1 of the present invention.

FIG. 8 is a schematic circuit diagram of a constant current driving module of a warm-color LED lamp in the color temperature adjustment device provided by Embodiment 1 of the present invention.

FIG. 9 is a schematic diagram of a color temperature adjustment system provided by Embodiment 2 of the present invention.

〖Detailed ways〗

The specific embodiment of the present invention will be further described below in conjunction with accompanying drawing:

Embodiment one

This embodiment describes the color temperature adjustment of LED lamp groups, and accordingly provides an LED lamp group color temperature adjustment device for adjusting the color temperature of an LED lamp group composed of several cool-color LED lamps and several warm-color LED lamps. As shown in FIG. 1 , the regulating device includes: a main control module, a constant-current driving module for cool-color LED lamps, a constant-current driving module for warm-color LED lamps, and a temperature sensing module. The main control module has a color temperature adjustment information input end, a first PWM signal (the first control information) output end and a second PWM signal (the second control information) output end, and the color temperature adjustment information input end is used to access the color temperature Adjustment information; the control terminal of the constant current drive module of the cool-color LED lamp is connected to the first PWM signal output terminal, and the drive signal output terminal is connected to the cool-color LED lamp; the control terminal of the constant-current drive module of the warm-color LED lamp is connected to the first PWM signal output terminal. Two PWM signal output terminals, the driving signal output terminal is connected to the warm-color LED lamp.

The main control module is used to receive color temperature adjustment information and calculate and generate a first PWM (Pulse Width Modulation, pulse width modulation) signal for controlling the cool color LED lamp and a second PWM signal for controlling the warm color LED lamp according to the color temperature adjustment information; The LED lamp constant current drive module is used to receive the first PWM signal and output the cool color LED lamp drive signal according to the first PWM signal; the warm color LED lamp constant current drive module is used to receive the second PWM signal and output the cool color LED lamp drive signal according to the second PWM signal Output warm-color LED light driving signals; the temperature sensing module is used to detect the temperature at the location of the LED light group and send the temperature sensing signal to the main control module as a kind of color temperature adjustment information.

The color temperature adjustment information mainly includes temperature sensing signals or direct command signals. The main control module determines the matching color temperature value according to the temperature sensing signal or command signal, and then calculates the cold and warm light ratio value adapted to the color temperature value according to the color temperature value. The light distribution ratio generates a first PWM signal for controlling the cool-color LED lamp and a second PWM signal for controlling the warm-color LED lamp. Generally, when the temperature is high, the duty cycle of the second PWM signal controlling the warm color LED lamp is relatively high, and the duty cycle of the first PWM signal controlling the cool color LED lamp is relatively low; when the temperature is low, the duty cycle of the first PWM signal controlling the warm color LED lamp is relatively high; The duty ratio of the second PWM signal of the LED lamp is relatively low, and the duty ratio of the first PWM signal for controlling the cool-color LED lamp is relatively high. When the sampled color temperature adjustment information is sufficient or monitored in real time, smooth stepless adjustment can basically be realized.

The specific circuit implementation scheme of the regulating device provided in this embodiment is described as follows:

As shown in Figure 2, the adjustment device includes a power input connector, which has a main control module power VCC-3V input terminal, a constant current drive module power V-in input terminal and a corresponding grounding terminal. As shown in Figure 3, the adjustment device includes a serial communication interface, which has a TTL-RX terminal, a TTL-TX terminal and a grounding terminal, which are used to connect with the serial communication pin of the main control module to realize communication with the upper computer and other equipment. For example, receive color temperature adjustment information such as command signals.

As shown in FIG. 4 , the main control module includes a CPU chip, and a power supply circuit and a crystal oscillator circuit around the CPU chip. Among them, in Figure 4, a CPU chip is divided into two parts (the CPU is composed of U1A and U1B in the figure), in order to be able to display each function pin more clearly. Specifically, the CPU chip adopts a STC8A4K32S2A12 chip, and can also choose a CC1310F64RSM, STC15W1K24S chip or other chips with similar functions. The crystal oscillator circuit includes a 24MHZ CPU working crystal oscillator and a 32.768KHz RTC crystal oscillator. The main control module power VCC-3V connected to the power input connector is processed by the energy storage filter circuit as the CPU working power CPU-VDD to provide working power for the main control module. The CPU chip has multiple IO pins, among which the 9th pin (CoolColor-Drive) is used as the output pin of the first PWM signal, the 10th pin (WarmColor-Drive) is used as the output pin of the second PWM signal, and the 15th pin is used as the output pin of the second PWM signal. (TTL-RX), the 16th (TTL-TX) pin as the serial communication pin, the 22nd (TEMP-NTC-AD0), the 23rd (TEMP-ZR-AD1), the pin as the thermal temperature acquisition lead pin, the 26th (NTC-SEL) pin is used as a thermal temperature acquisition control pin, and the 24th (I2C-SCL) and 25th (I2C-SDA) pins are used as digital temperature acquisition pins. The CPU chip also has radio frequency communication pins (RF_P and RF_N) and program download pins (TCKC and TMSC).

In this embodiment, the temperature sensing module includes a digital temperature sensor and an NTC thermistor temperature sensor. As shown in Figure 5, the digital temperature sensor is a digital temperature sensor chip with an I2C interface, such as a TMP112AIDRLT chip, and the I2C interface of the digital temperature sensor chip is connected to the digital temperature acquisition pin of the CPU.

As shown in Figure 6, the NTC thermistor temperature sensor is an NTC thermistor temperature sensing circuit with a selection control terminal (NTC-SEL), and the NTC thermistor temperature sensing circuit includes a resistor R2, a MOS transistor Q2, a resistor R3, resistor R4, capacitor C18, NTC thermistor RT1 (MF52A2103F3380 is used in this embodiment), fuse FU2, capacitor C20, resistor R5, Zener diode D3 and capacitor C19. Resistor R2 is connected between G pole and D pole of MOS tube Q2, G pole of MOS tube Q2 is connected to thermal temperature acquisition control pin NTC-SEL of CPU chip, S pole of MOS tube Q2 is grounded through resistor R3 and capacitor C18 ; One end of NTC thermistor RT1 is grounded, and the other end is connected to one end of fuse FU2; one end of resistor R4 is connected to the CPU working power supply CPU-VDD, and the other end is connected to the other end of fuse FU2 and the node of resistor R3 and capacitor C18; capacitor C20 is connected to Between the CPU power supply CPU-VDD and the ground, one end of the resistor R5 is connected to the CPU power supply CPU-VDD, the other end is connected to the negative pole of the Zener diode D3, and the positive pole of the Zener diode D3 is grounded; the capacitor C19 is connected to the Zener diode D3 in parallel Both ends; the node of the resistor R3 and the capacitor C18, the node of the resistor R5 and the Zener diode D3 are respectively connected to the thermal temperature acquisition pin of the CPU as the output of the NTC thermistor temperature sensing circuit.

In this embodiment, the temperature sensing module is controllable, and it can be selected to work or not. Generally, the work of the temperature sensing module will be interrupted under command control. At this time, the main control module, the constant-current drive module of the cool-color LED lamp and the constant-current drive module of the warm-color LED lamp are uniformly controlled by the background system (upper computer, industrial control host).

As shown in Figure 7, the constant-current drive module for cool-color LED lamps includes a constant-current drive chip, the constant-current drive chip is SM32105E or a similar chip, the control terminal of the chip is connected to the output pin of the first PWM signal of the CPU, and the power supply terminal Connect to the V-in terminal of the power input connector. In order to meet different load requirements, the cool-color LED lamp constant current drive module of this embodiment also includes an amplifier circuit, the amplifier circuit is arranged at the output terminal of the constant current drive chip, and when the output current of the constant current drive chip is not enough, it passes through one or more Stage amplification, so as to achieve greater power output.

Multi-level magnification is used as the product of each level of magnification β total = β1*β2*β3...βn, the formula is: I _C = βI _B I _E = (1+β) _IB , different currents can be selected according to calculated by this formula. Note: I _B : is the base current, I _C : the collector current, I _E : is the emitter current. Example: If the current to drive the lamp board is 2.2A, if the control U2 drive current output is 0.2A, according to the formula: I _E = (1+β)I _B , β = 10, select the appropriate transistor model, adjust The resistor on the collector makes it output 2.2A constant current stably.

In this embodiment, the cool-color LED lamp constant current drive module further includes a freewheeling diode and an energy storage filter circuit, the freewheeling diode is connected in parallel to the output end of the amplifying circuit, and the energy storage filter circuit is arranged at the end of the freewheeling diode output.

As shown in Figure 7 and Figure 8, the constant-current drive module for warm-color LED lights has the same structure as the constant-current drive module for cool-color LED lights. The difference is that the control terminal of the constant-current drive module for warm-color LED lights is connected to the second PWM signal of the CPU. output pin.

It should be noted that the LED lamps in this embodiment can also be replaced with other common cool-color lamps and warm-color lamps and corresponding drive modules. In addition, when one of the cool-color lamps and one of the warm-color lamps are combined into one lamp bead, adjustment and control can also be performed in the aforementioned manner.

Embodiment two:

As shown in Figure 9, this embodiment provides a color temperature adjustment system, including a host computer, a lamp group and a color temperature adjustment device, the lamp group and the color temperature adjustment device can be multiple groups, and each lamp group includes several cool color lamps and several warm color lamps For the lamp, the host computer communicates with several color temperature adjustment devices through a communication network, and the color temperature adjustment device adopts the color temperature adjustment device described in one of the above-mentioned embodiments.

Embodiment three

Embodiment 3 provides a method for adjusting the color temperature of an LED lamp group, which is used for adjusting the color temperature of an LED lamp group composed of several cool-color LED lamps and several warm-color LED lamps. The adjustment methods include:

(1) Receive color temperature adjustment information;

(2) generating a first PWM signal for controlling the cool-color LED lamp and a second PWM signal for controlling the warm-color LED lamp according to the received color temperature adjustment information;

(3) Outputting a cool-color LED lamp driving signal according to the first PWM signal; outputting a warm-color LED lamp driving signal according to the second PWM signal.

The color temperature adjustment information described in step (1) includes a temperature sensing signal; the step (2) specifically includes: collecting the temperature at the location of the LED lamp group and determining the matching color temperature value according to the temperature sensing signal, and then according to The color temperature value is calculated to obtain a cool-warm light ratio value adapted to the color temperature value, and the first PWM signal for controlling the cool-color LED lamp and the second PWM signal for controlling the warm-color LED lamp are generated according to the cool-warm light ratio value.

The color temperature adjustment information described in step (1) also includes an instruction signal, and the step (2) specifically includes: determining a color temperature value that matches the instruction signal, and then calculating a color temperature value that is compatible with the color temperature value based on the color temperature value. According to the ratio value of cold and warm light, a first PWM signal for controlling the cool-color LED lamp and a second PWM signal for controlling the warm-color LED lamp are generated according to the ratio value of cold and warm light.

The adjustment method above also includes the step of amplifying the driving signal of the cool-color LED lamp or the driving signal of the warm-color LED lamp in step (3).

The device and method for adjusting the color temperature of the lamp group provided by the present invention can make the brightness and color temperature of the lamps change with changes in the local environment, climate temperature or system setting parameter values, the light is soft and delicate, and the light color changes smoothly and naturally. When the ambient temperature is high, the soft warm light makes people feel warm like a spring breeze; when the temperature is high, the cool light gives people a cool feeling, which can be widely used in various lighting occasions.

The above embodiments are only sufficient disclosures and do not limit the present invention. Any replacement of equivalent technical features that can be obtained without creative work based on the creative spirit of the present invention should be regarded as the disclosure scope of this application.

Claims (26)

1. A color temperature adjustment device for a lamp group, the lamp group includes several cool-color lamps and some warm-color lamps; it is characterized in that the color temperature adjustment device includes: The main control module receives color temperature adjustment information and generates first control information for controlling the cool-color lamp and second control information for controlling the warm-color lamp according to the received color temperature adjustment information; A cold-color lamp driving module, receiving the first control information and outputting a cold-color lamp driving signal according to the first control information; The warm-color lamp driving module receives the second control information and outputs a warm-color lamp driving signal according to the second control information. 2. The color temperature adjustment device according to claim 1, wherein the main control module receives the color temperature adjustment information and generates and controls the cold and warm light distribution of the cool color lamp and the warm color lamp according to the received color temperature adjustment information. Ratio: generating first control information for controlling the cold-color lamp and second control information for controlling the warm-color lamp according to the ratio of cold and warm light. 3 . The color temperature adjustment device according to claim 2 , wherein the main control module determines the matching color temperature value according to the color temperature adjustment information, and then calculates the cool and warm light ratio value adapted to the color temperature value according to the color temperature value. 4 . 4. The color temperature adjustment device according to claim 3, characterized in that the color temperature adjustment device further comprises a temperature sensing module, the temperature sensing module detects the temperature at the position where the lamp group is located and sends the temperature sensor The signal is sent to the main control module as the color temperature adjustment information. 5. The color temperature adjustment device according to claim 1, 2, 3 or 4, wherein the main control module has a communication interface, and the communication interface receives an instruction signal and uses the instruction signal as the color temperature adjustment information Provided to the main control module. 6 . The color temperature adjustment device according to claim 4 , wherein the main control module includes a CPU chip, and a power circuit and a crystal oscillator circuit around the CPU chip. 7. The color temperature adjusting device according to claim 6, wherein the temperature sensing module comprises a digital temperature sensor. 8. The color temperature adjustment device according to claim 7, wherein the digital temperature sensor is a digital temperature sensing chip with an I2C interface, and the I2C interface of the digital temperature sensing chip is connected to the digital temperature acquisition of the CPU. pin connection. 9. The color temperature adjusting device according to claim 6, wherein the temperature sensing module comprises an NTC thermistor temperature sensor. 10. The color temperature adjusting device according to claim 9, wherein the NTC thermistor temperature sensor is an NTC thermistor temperature sensing circuit with a selection control terminal, and the output of the NTC thermistor temperature sensing circuit is Connect the thermal temperature acquisition acquisition pin of the CPU. 11. The color temperature adjusting device according to claim 1, 2, 3, 4, or 6, wherein the cool-color lamp is a cool-color LED lamp, and the warm-color lamp is a warm-color LED lamp. 12. The color temperature adjustment device according to claim 11, wherein the first control information is a first PWM signal, the second control information is a second PWM signal; the cool-color lamp driving module is a cool-color lamp A constant-current drive module, the warm-color lamp drive module is a constant-current drive module for warm-color lamps. 13 . The color temperature adjusting device according to claim 12 , wherein the constant current driving module of the cool color LED lamp and the constant current driving module of the warm color LED lamp respectively comprise a constant current driving chip. 14 . 14. The color temperature adjustment device according to claim 13, characterized in that, the constant current driving module of the cool-color LED lamp and the constant-current driving module of the warm-color LED lamp further include an amplifier circuit, and the amplifier circuit is arranged in the constant current driver output of the chip. 15. The color temperature adjustment device according to claim 14, characterized in that, the constant-current drive module for the cool-color LED lamp and the constant-current drive module for the warm-color LED lamp respectively include freewheeling diodes, which are connected to the output of the amplifying circuit end. 16. The color temperature adjustment device according to claim 15, characterized in that, the constant-current driving module of the cool-color LED lamp and the constant-current driving module of the warm-color LED lamp also respectively include energy storage filter circuits, which are arranged at the ends of the freewheeling diodes. output. 17. The color temperature adjusting device according to claim 1 or 2 or 3 or 4 or 6, characterized in that one cold-color lamp and one warm-color lamp are combined into one lamp bead. 18. A color temperature adjustment system, characterized in that it includes a host computer, several lamp groups and several color temperature adjustment devices, the lamp group includes several cool-color lamps and several warm-color lamps, and the host computer communicates with several of the color temperature adjustment devices The color temperature adjustment device adopts the color temperature adjustment device described in any one of claims 1 to 17. 19. A method for adjusting the color temperature of a lamp group, the lamp group comprising several cool-color lamps and several warm-color lamps; it is characterized in that the color temperature adjustment method comprises: (1) Receive color temperature adjustment information; (2) generating first control information for controlling the cool-color lamp and second control information for controlling the warm-color lamp according to the received color temperature adjustment information; (3) outputting the driving signal of the cold color lamp according to the first control information; outputting the driving signal of the warm color lamp according to the second control information. 20. The color temperature adjustment method according to claim 19, characterized in that, the step (2) is specifically: receiving the color temperature adjustment information and generating and controlling the cold color lamp and the warm color lamp according to the received color temperature adjustment information The ratio value of the cold and warm light; and then generate the first control information for controlling the cold-color lamp and the second control information for controlling the warm-color lamp according to the ratio value of the cold and warm light. 21. The color temperature adjustment method according to claim 20, characterized in that the method for obtaining the ratio of cool and warm light in step (2) is: determine the matching color temperature value according to the color temperature adjustment information, and then calculate the color temperature value according to the color temperature value Get the cold and warm light ratio value adapted to the color temperature value. 22. The color temperature adjustment method according to any one of claims 19 to 21, wherein the color temperature adjustment information includes a temperature sensing signal obtained by detecting the temperature at the location where the lamp group is located. 23. The color temperature adjustment method according to any one of claims 19 to 21, wherein the color temperature adjustment information includes directly received instruction information. 24. The method for adjusting color temperature according to any one of claims 19-21, characterized in that, the cool-color lamp is a cool-color LED lamp, and the warm-color lamp is a warm-color LED lamp. 25. The color temperature adjustment method according to claim 24, characterized in that, the first control information is a first PWM signal, the second control information is a second PWM signal; the cool-color lamp driving signal is a cool-color LED A lamp constant current driving signal, the warm color lamp driving signal is a warm color LED lamp constant current driving signal. 26. The color temperature adjustment method according to claim 25, further comprising the step of amplifying the constant-current driving signal of the cool-color LED lamp or the constant-current driving signal of the warm-color LED lamp.