CN103068091A - Intelligent power regulation and control system - Google Patents

Abstract

The invention discloses an intelligent power supply regulation and control system which is connected between a light-emitting diode power supply and a light-emitting diode lamp string to drive the light-emitting diode lamp string to emit light. The intelligent power supply regulation and control system comprises: a sensing light modulation and setting unit and a digital power supply regulation and control unit. Wherein, the sensing light modulation and setting unit can sense an infrared signal and generate various brightness selection signals. The digital power supply regulating and controlling unit is connected with the sensing dimming and setting unit and adjusts the power output of the sensing dimming and setting unit according to the infrared signal and the brightness selection signal of the sensing dimming and setting unit, so that the brightness of the LED lamp string is changed. The intelligent power supply regulation and control system can effectively achieve the effect of sectional type light regulation without depending on expensive sensing instruments, and simultaneously saves the energy consumption.

Description

Intelligent power regulation system

technical field

The invention relates to an intelligent power control system, in particular to a light-emitting diode power control system which is directly controlled by an external DC power source and produces various illuminances.

Background technique

With the improvement of the quality of life, the design of the home environment is constantly innovating. In order to match the overall aesthetic feeling of the space, the lighting design has attracted much attention. With the advantages of energy saving, low failure rate, stable light, high luminous efficiency, and high compatibility with various lamps, it has become a mainstream commodity in the market.

In general light-emitting diode lamps, it mainly includes a small light-emitting diode (Lightemitting diode, LED) lamp tube and a power supply, so that the power provided by the power supply inside is converted into direct current to drive the above-mentioned LED lights. Tube. This kind of design makes the light-emitting diode lamps only have two types of lighting and non-lighting according to the presence or absence of the power supply, unlike traditional tungsten filament bulbs that can have different levels of luminous levels as the power supply changes. Therefore, the existing light-emitting diode lamps cannot fully meet the needs of users to adjust the lighting at any time in different areas or at different times to create an overall atmosphere for people who generally value life quality and energy-saving issues. In addition, LED lamps that only have two types of lighting and non-lighting are likely to cause problems such as energy consumption or limited application, which is not only impractical for most stores and houses that focus on sentimentality, but also Convenience does not meet the needs of modern people for energy saving and carbon reduction.

Therefore, how to provide a light-emitting diode power control system that can solve the above-mentioned problems and can adjust the luminance at any time is one of the problems that those skilled in this technical field need to solve urgently.

Contents of the invention

The main purpose of the present invention is to provide an intelligent power control system, which is connected between an LED power supply and an LED lamp string, so as to drive the LED lamp string to emit light by using an external DC power supply, and at the same time pass Perceive the infrared signal in the environment to adjust its power output, thereby changing the brightness of the LED light string.

Another object of the present invention is to provide an intelligent digital power control system, which has the advantage of adjusting light according to the infrared signal in the environment and the brightness of the environment, so as to save energy.

Yet another object of the present invention is to provide an intelligent digital power control system, which achieves group control functions through at least one sensor and/or at least one digital power control unit.

To achieve the above purpose, the present invention relates to an intelligent digital power control system, which is connected between an LED power supply and an LED string to drive the LED string to emit light. The intelligent power control system includes: a sensory dimming and its setting unit and a digital power control unit. Wherein, the sensory dimming and its setting unit can sense an infrared signal and generate multiple brightness selection signals. The digital power control unit is connected with the sensing dimming and its setting unit, and adjusts its power output according to the infrared signal and the brightness selection signal of the sensing dimming and its setting unit, thereby changing the luminance of the LED light string.

According to an embodiment of the present invention, the perceptual dimming and its setting unit include: a dimmer and at least one infrared sensor. A signal processing unit, a signal detection unit, a digital control signal output unit and a dimming setting unit are arranged inside the dimmer, wherein the signal detection unit, the digital control signal output unit and the dimming setting unit are respectively connected The signal processing unit and the dimming setting unit are used to generate the aforementioned brightness selection signals, and each brightness selection signal corresponds to a delay time. The infrared sensor is connected to the signal detection unit, so that the signal processing unit adjusts the output voltage level of the digital control signal output unit according to the sensing result of the external sensor and the delay time corresponding to each brightness selection signal, so as to thereby Change the brightness of the light emitting diode light string.

According to an embodiment of the present invention, the dimmer and the infrared sensor can be selectively integrated on a single system dimming module integrated chip (System on chip, SOC).

In the following, a detailed description will be given through specific embodiments in conjunction with the attached drawings, and it will be easier to understand the purpose, technical content, characteristics and effects of the present invention.

Description of drawings

Fig. 1 is a device schematic diagram of an intelligent power regulation system according to an embodiment of the present invention;

FIG. 2 is a device schematic diagram of an intelligent power regulation system with multi-sensory input according to an embodiment of the present invention;

3 is an internal schematic diagram of an intelligent power regulation system according to an embodiment of the present invention;

4A is a schematic diagram of a signal amplifying unit and a dimmer integrated in the same dimming module or the same chip according to an embodiment of the present invention;

4B is a schematic diagram of a signal amplifying unit and an infrared sensor integrated in the same dimming module or the same chip according to an embodiment of the present invention;

5 is an internal schematic diagram of an intelligent power regulation system with a power supply unit according to another embodiment of the present invention;

6 is an internal schematic diagram of an intelligent power regulation system with a photoresistor sensor according to another embodiment of the present invention;

7 is an internal schematic diagram of an intelligent power regulation system integrated into a single system chip according to an embodiment of the present invention;

FIG. 8 is an internal schematic diagram of a digital power regulation unit according to an embodiment of the present invention;

FIG. 9 is a device schematic diagram of a group-controlled intelligent power regulation system according to an embodiment of the present invention;

FIG. 10 is a device schematic diagram of an intelligent power regulation system with external electronic devices according to an embodiment of the present invention.

Explanation of reference signs: 1-intelligent power control system; 2-light-emitting diode power supply; 3-light-emitting diode string; 10-perceptual dimming and its setting unit; 10'-dimming module integrated chip; 20- Digital power control unit; 30-external electronic device; 102-infrared sensor; 104-light dimmer; 106-signal processing unit; 108-signal detection unit; 110-digital control signal output unit; 112-dimming device 114-Brightness selection switch; 116-Delay time adjustment switch; 118-Signal amplification unit; 120-Power supply unit; 122-Photoresistor sensor; 201-Low voltage power supply circuit; 202-Power output control signal processing unit 203-power output conversion and filter circuit; 204-power output control unit; 205-input protection circuit unit; 206-detection signal conversion circuit; 207-overcurrent detection circuit; 208-overvoltage detection circuit.

Detailed ways

The present invention provides an intelligent power control system, which uses the DC power provided by the LED power supply to drive and control the luminance of the LED lamp strings.

This kind of intelligent power control system can adjust the light according to the infrared signal in the environment and the brightness of the environment, so as to further achieve the effect of saving energy.

Please refer to FIG. 1, which is a device diagram of an intelligent power control system according to an embodiment of the present invention. This intelligent power control system 1 is connected to an LED power supply (adaptor) 2 and an LED string (LED string) ) 3 to drive the light emitting diode string 3 to emit light.

According to an embodiment of the present invention, the intelligent power regulation system 1 includes a perceptual dimming and setting unit 10 and a digital power regulating unit 20, wherein the perceptual dimming and setting unit 10 is internally equipped with an infrared sensor 102 and a dimmer 104 for sensing infrared signals and generating more than one brightness selection signal. The digital power control unit 20 is connected to the sensory dimming and its setting unit 10, thereby adjusting its power output according to the infrared signal and the brightness selection signal of the above-mentioned sensory dimming and its setting unit 10, so as to change the light emission of the LED light string 3 brightness.

Wherein, it should be noted that the present invention is not limited to the perceptual dimming and its setting unit 10 including a single infrared sensor 102 . In other words, as shown in FIG. 2 , the perceptual dimming and its setting unit 10 disclosed in the present invention may also include a plurality of infrared sensors 102 as input control of the multi-sensory system. However, the following is to explain the technical thought of the present invention, and the embodiment in Fig. 1 is used as a preferred example, but those who are familiar with this technical field can apply the technology disclosed in the present invention to the multiple systems shown in Fig. 2 by themselves. Perceptual input should also belong to the scope of the invention of the present invention.

Please refer to FIG. 3 , which is an internal schematic diagram of an intelligent power regulation system according to an embodiment of the present invention. As shown in FIG. 3 , the dimmer 104 includes a signal processing unit 106 , a signal detection unit 108 , a digital control signal output unit 110 and a dimming setting unit 112 . The signal detection unit 108 , the digital control signal output unit 110 and the dimming setting unit 112 are respectively connected to the signal processing unit 106 . The dimming setting unit 112 includes a brightness selection switch 114 and a delay time adjustment switch 116 .

According to an embodiment of the present invention, the brightness selection switch 114 can generate more than one brightness selection signal through user settings. The delay time adjustment switch 116 is used to generate a delay time corresponding to each brightness selection signal.

The infrared sensor 102 is connected to the signal detection unit 108, so that when the dimming setting unit 112 generates one or more than one brightness selection signals through the setting of the user, and each brightness selection signal corresponds to When the delay time is also set by the delay time adjustment switch 116, the signal processing unit 106 can judge the dimming energy to be sent according to the sensing result of the infrared sensor 102 and the setting of the dimming setting unit 112 , to the digital power regulation unit 20 through the output of the digital control signal output unit 110 . The present invention controls the output electric energy of the digital power regulation unit 20 by changing the output digital signal of the digital control signal output unit 110 to adjust the luminance of the LED light string 3 .

For example, the user can preset the brightness selection signal to be 100%, 75%, and 50% (that is, the brightness of the LED light string 3 is 100%, 75%, and 50%). And when the brightness selection signal is 100%, its corresponding delay time is 1 minute; when the brightness selection signal is 75%, its corresponding delay time is 1.5 minutes; when the brightness selection signal is 50%, its corresponding delay time The time is 0.5 minutes. Therefore, when the infrared sensor 102 detects that there is a person passing by within its sensing range, the infrared sensor 102 can notify the digital power control unit 20 to output the maximum power, that is, 100% power to the LED light string 3 illumination.

Afterwards, if the infrared sensor 102 detects that the person leaves, the LED light string 3 will continue to illuminate with a delay time of 1 minute, and will automatically reduce to 75% after 1 minute. Then, illuminate with 75% lighting intensity for another 1.5 minutes, and then automatically adjust to 50% after 1.5 minutes. Finally, illuminate with 50% lighting brightness for 0.5 minutes, and automatically turn off after 0.5 minutes to achieve the effect of segmented dimming.

Furthermore, in order to amplify the infrared signal of the infrared sensor 102 to obtain better sensing accuracy, the perceptual dimming and setting unit 10 disclosed in the present invention may further include a signal detection unit 108 connected Signal amplifying unit 118. Wherein, this signal amplifying unit 118 can optionally be integrated with the dimmer 104 on the same dimming module or on the same chip as shown in FIG. 4A, or as shown in FIG. 4B, integrated with the infrared sensor 102 Both the same dimming module or the same chip can be used to implement the present invention.

Please refer to FIG. 5 , which is an internal diagram of an intelligent power regulation system according to another embodiment of the present invention. As shown in FIG. 5 , the dimmer 104 may further include a power supply unit 120 connected to the LED power supply 2 . According to this design, the power source of the dimmer 104 does not need to be supplied by the digital power control unit 20 , but can be directly supplied by the LED power supply 2 .

In addition, FIG. 6 is also an internal schematic diagram of an intelligent power regulation system according to another embodiment of the present invention. As shown in FIG. 6 , in addition to the infrared sensor 102 , the perceptual dimming and setting unit 10 disclosed in the present invention may further include a photoresistor sensor 122 for sensing a sensing signal. Generally speaking, photoresistors are very sensitive to ambient light. In this embodiment, the characteristics of photoresistors are used to sense the ambient brightness to adjust the illuminance of LED light string 3 in a timely manner, so as to achieve energy saving, carbon reduction, and low power consumption. .

According to the previous example, when the photoresistor sensor 122 senses that the ambient brightness is lower than a set value (for example: after dark), the photoresistor sensor 122 can first notify the digital power regulation unit 20 to use the maximum power. 100% of the power is output to the LED light string 3 for lighting. After that, according to the sensing result of the infrared sensor 102 (for example: whether there is a person passing by) to perform further step-by-step dimming.

Please refer to FIG. 7 , which is an internal diagram of an intelligent power regulation system according to another embodiment of the present invention. As shown in Figure 7, all the above-mentioned components (signal processing unit 106, signal detection unit 108, digital control signal output unit 110, dimming setting unit 112, signal amplification unit 118, infrared sensor 102, photoresistor sensor 122) can be selectively set on a single system dimming module integrated chip 10' (System on chip, SOC) to achieve the purpose of system integration.

Please refer to FIG. 8 , which is an internal diagram of a digital power regulation unit according to an embodiment of the present invention. As shown in Figure 8, the digital power regulation unit 20 includes a low-voltage power supply circuit 201, a power output control signal processing unit 202, a power output conversion and filter circuit 203, a power output control unit 204, and an input protection circuit unit 205 , a detection signal conversion circuit 206 , an over-current detection circuit 207 and an over-voltage detection circuit 208 .

Among them, the input protection circuit unit 205 is connected between the LED power supply 2 and the low-voltage power supply circuit 201, the power output control signal processing unit 202 is connected to the perceptual dimming and setting unit 10, and the power output conversion and filter circuit 203 The LED light string 3 is connected, and the power output control unit 204 is connected between the low-voltage power supply circuit 201 , the power output control signal processing unit 202 and the power output conversion and filtering circuit 203 .

The detection signal conversion circuit 206 is connected to the power output control signal processing unit 202, the overcurrent detection circuit 207 and the overvoltage detection circuit 208 are connected in parallel, and are respectively connected to the detection signal conversion circuit 206, the power output conversion and filter circuit 203 and the Between the LED light strings 3.

Thus, the digital power control unit 20 can adjust its power output according to the infrared signal sensed by the perceptual dimming and setting unit 10 and various brightness selection signals preset by the user, so as to change the light emission of the LED light string 3 brightness.

Furthermore, the intelligent power regulation system disclosed in the present invention can achieve the effect of group control. As shown in Figure 9, the perceptual dimming and its setting unit 10 can be connected to a plurality of digital power regulation units 20, and each digital power regulation unit 20 controls the luminous brightness of the LED light string 3, thereby achieving group purpose of control.

Fig. 10 is a device schematic diagram of an intelligent power regulation system according to another embodiment of the present invention. As shown in Fig. 10, the intelligent power regulation system may further include a sensory dimming and its setting unit 10 and a digital power regulation unit 20 between external electronic devices 30 . This electronic device 30 can be a personal computer (personal computer), a personal digital assistant (personal digital assistant), or a mobile phone (mobile phone), and the external electronic device 30 can receive the signal of the perceptual dimming and its setting unit 10 for processing, To notify the digital power regulation unit 20 to control the brightness of the light emitting diode string 3 .

To sum up, the intelligent power control system disclosed by the present invention is an intelligent device capable of dimming and controlling the output of the existing LED power supply. Through the above components, the present invention can effectively achieve segmented dimming without relying on expensive sensing instruments.

The above-described embodiments are only for illustrating the technical ideas and characteristics of the present invention, and its purpose is to enable those who are familiar with this art to understand the content of the present invention and implement it accordingly. When it is impossible to limit the patent scope of the present invention, That is to say, all equivalent changes or modifications made according to the spirit disclosed in the present invention should still be covered by the patent scope of the present invention.

Claims (13)

1. An intelligent power control system, characterized in that it is connected between an LED power supply and an LED light string to drive the LED light string to emit light. The intelligent power control system includes: A sensory dimming and its setting unit, which senses an infrared signal and can generate multiple brightness selection signals; and A digital power control unit, connected to the sensory dimming and setting unit, and adjusts its power output according to the infrared signal and the multiple brightness selection signals of the sensory dimming and setting unit, so as to change the light-emitting diode lamp The luminance of the string. 2. The intelligent power regulation system according to claim 1, wherein the sensory dimming and its setting unit comprise: A dimmer, which is equipped with a signal processing unit, a signal detection unit, a digital control signal output unit and a dimming setting unit, wherein the signal detection unit, the digital control signal output unit and the dimming The setting units are respectively connected to the signal processing unit, the dimming setting unit generates the plurality of brightness selection signals, and each of the brightness selection signals corresponds to a delay time; and at least one infrared sensor, connected to the signal detection unit, so that the signal processing unit adjusts the digital control signal output unit according to the sensing result of the infrared sensor and the delay time corresponding to each brightness selection signal The output voltage level is used to change the luminance of the light emitting diode string. 3. The intelligent power control system according to claim 2, wherein the dimmer further comprises a power supply unit connected to the LED power supply. 4. The intelligent power control system according to claim 2, wherein the sensory dimming and setting unit further comprises a signal amplifying unit connected to the signal detecting unit to amplify the infrared sensor sensing results. 5. The intelligent power regulation system according to claim 4, wherein the signal amplifying unit is selectively integrated with one of the dimmer or the infrared sensor on a single chip. 6 . The intelligent power regulation system according to claim 2 , wherein the perceptual dimming and setting unit further comprises a photoresistor sensor for sensing a sensing signal. 7 . 7. The intelligent power regulation system according to claim 2, wherein the dimming setting unit comprises: a brightness selection switch, generating the plurality of brightness selection signals; and A delay time adjustment switch generates the delay time corresponding to each brightness selection signal. 8. The intelligent power control system according to claim 2, wherein the dimmer and the infrared sensor are selectively disposed on a single SoC. 9. The intelligent power control system according to claim 1, wherein the digital power control unit comprises a low-voltage power supply circuit connected to the LED power supply, a sensory dimming unit and its setting unit The power output control signal processing unit, a power output conversion and filter circuit connected to the LED light string, and a power output control unit, wherein the power output control unit is connected to the low-voltage power supply circuit, the power output control signal processing Between the unit and the power output conversion and filter circuit. 10. The intelligent power control system according to claim 9, wherein the digital power control unit further comprises an input protection circuit unit, the input protection circuit unit is connected to the LED power supply and the low-voltage power supply between supply circuits. 11. The intelligent power control system according to claim 9, wherein the digital power control unit further comprises a detection signal conversion circuit, an over-current detection circuit and an over-voltage detection circuit, and the detection The signal conversion circuit is connected to the power output control signal processing unit, the overcurrent detection circuit and the overvoltage detection circuit are connected in parallel, and are connected to the detection signal conversion circuit, the power output conversion and filter circuit and the LED lamp between strings. 12. The intelligent power regulation system according to claim 1, wherein the perceptual dimming and setting unit is connected to a plurality of digital power regulation units, so as to control the light emitting diode through each digital power regulation unit Luminous brightness of the light string. 13. The intelligent power regulation system according to claim 1, further comprising an external electronic device connected between the sensory dimming and its setting unit and the digital power regulation unit, so as to pass the external The electronic device controls the luminous brightness of the light emitting diode string.

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