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WO2018090418A1 - 呼吸灯控制电路 - Google Patents

呼吸灯控制电路 Download PDF

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Publication number
WO2018090418A1
WO2018090418A1 PCT/CN2016/110137 CN2016110137W WO2018090418A1 WO 2018090418 A1 WO2018090418 A1 WO 2018090418A1 CN 2016110137 W CN2016110137 W CN 2016110137W WO 2018090418 A1 WO2018090418 A1 WO 2018090418A1
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WO
WIPO (PCT)
Prior art keywords
resistor
transistor
light emitting
emitting diode
light
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Application number
PCT/CN2016/110137
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English (en)
French (fr)
Inventor
李祥明
钟伟文
Original Assignee
广州炒米信息科技有限公司
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Publication of WO2018090418A1 publication Critical patent/WO2018090418A1/zh

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity of the light
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/32—Pulse-control circuits
    • H05B45/325—Pulse-width modulation [PWM]

Definitions

  • the invention relates to the field of illumination control technology, in particular to a breathing lamp control circuit.
  • Breathing light refers to the gradual change of light from light to dark under control. The light is normally lit or extinguished like a breath. Breathing lights are generally used for indications or prompts. They are widely used in various electronic devices, such as mobile phones, which can effectively improve the indication efficiency of electronic devices and make electronic devices more convenient to use.
  • the conventional breathing lamp uses an integrated driving circuit to drive the LED (Light Emitting Diode) lamp.
  • a driving circuit has a high cost, a single function, and a poor flexibility.
  • a breathing light control circuit includes: a power supply modulation circuit, an indicator light driving circuit, a processing module, and a plurality of light emitting diodes, wherein each of the light emitting diodes is respectively connected to the power source modulation circuit and the indicator light driving circuit, and the processing module Connected to the power modulation circuit and the indicator driving circuit respectively;
  • the indicator driving circuit includes a plurality of driving sub-circuits corresponding to each of the LEDs, and the processing module is provided with a plurality of output ends corresponding to the driving sub-circuits, and each of the driving sub-circuits respectively Connected to a corresponding output end and a corresponding light emitting diode;
  • the driving sub-circuit includes a front resistor, a triode and a rear resistor, and a corresponding negative pole of the LED is connected to a collector of the triode through the front resistor, and a base of the triode passes through the rear resistor and a corresponding The output is connected, and the emitter of the transistor is grounded.
  • the plurality of light emitting diodes include a light emitting diode LED1, a light emitting diode LED2, and a light emitting diode LED3, and the power supply modulating circuit and the light emitting diode respectively LED1, the light emitting diode LED2 and the light emitting diode LED3 are connected, and the light emitting diode LED1, the light emitting diode LED2 and the light emitting diode LED3 are respectively connected to the indicator driving circuit;
  • the indicator driving circuit includes a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a transistor Q3, a transistor Q4, and a transistor Q5.
  • the anode of the LED1 is connected to a power modulation circuit, and the LED a cathode of the diode LED1 is connected to a collector of the transistor Q3 via a resistor R5, a base of the transistor Q3 is connected to a first output end of the processing module via a resistor R8, and an emitter of the transistor Q3 is grounded,
  • the anode of the LED 2 is connected to the power supply modulation circuit, the cathode of the LED1 is connected to the collector of the transistor Q4 via a resistor R6, and the base of the transistor Q4 passes through the resistor R9 and the second output of the processing module.
  • the terminal is connected, the emitter of the transistor Q4 is grounded, the anode of the LED 2 is connected to a power modulation circuit, and the cathode of the LED 1 is connected to the collector of the transistor Q5 via a resistor R7, the transistor Q5
  • the base is connected to the third output of the processing module via a resistor R10, the emitter of which is grounded.
  • the power modulation circuit includes: a resistor R1, a resistor R2, a resistor R3, a resistor R4, a transistor Q1, and a transistor Q2.
  • One end of the resistor R1 is connected to a power source, and the other end of the resistor R1 is Connected to the emitter of the transistor Q1, the collector of the transistor Q1 is connected to each of the light emitting diodes, and the base of the transistor Q1 is connected to the collector of the transistor Q2 through the resistor R3.
  • the base of the transistor Q2 is connected to the fourth output end of the processing module through the resistor R4, the emitter of the transistor Q2 is grounded, one end of the resistor R2 is connected to the power source, and the other end of the resistor R2 is The collector connection of the transistor Q2 is described.
  • the power modulation circuit further includes a capacitor C1, and the collector of the transistor Q1 is also grounded through the capacitor C1.
  • the processing module includes a processing chip.
  • the processing chip comprises an S905 chip.
  • the GPIOX_0 pin, the GPIOX_1 pin, and the GPIOX_2 pin of the S905 chip are respectively connected to the indicator driving circuit.
  • the GPIOX_7 pin of the S905 chip is modulated with the power supply. Road connection.
  • the GPIOX_7 pin of the S905 chip is coupled to the power modulation circuit via a resistor R262.
  • the VDDIO_X pin of the S905 chip is used to connect to a power source.
  • the breathing lamp control circuit the processing module outputs a signal to the indicator driving circuit through a plurality of output ends, emits light through the corresponding LED of the indicator driving circuit, and outputs a signal to the power modulation circuit to control the power supply to the LED, thereby implementing illumination
  • the diode's breathing effect is characterized by greater flexibility and low cost.
  • the processing module outputs signals through the first output end, the second output end, and the third output end, and controls the LEDs of the LED, the LED 2 and the LED 3 to emit light, and outputs signals to the power modulation circuit to control the pair.
  • the power supply of the light-emitting diode LED1, the light-emitting diode LED2 and the light-emitting diode LED3 enables the light-emitting diode LED1, the light-emitting diode LED2 and the light-emitting diode LED3 to realize the colorful indication and the colorful breathing function, and has the characteristics of higher flexibility of use and low cost.
  • FIG. 1 is a circuit schematic diagram of a breathing light control circuit of an embodiment
  • FIG. 2 is a schematic diagram of the connection of a processing module of an embodiment.
  • a breathing light control circuit includes a power supply modulation circuit, an indicator light driving circuit, a processing module, and a plurality of light emitting diodes, each of the light emitting diodes being respectively connected to the power source modulation circuit and the indicator light driving circuit,
  • the processing module is respectively connected to the power modulation circuit and the indicator driving circuit;
  • the indicator driving circuit includes a one-to-one correspondence with each of the LEDs a plurality of driving sub-circuits,
  • the processing module is provided with a plurality of output ends corresponding to the driving sub-circuits, and each of the driving sub-circuits respectively has a corresponding output end and a corresponding one of the light-emitting diodes
  • Each of the light-emitting diodes corresponds to one of the driving sub-circuits, and each of the driving sub-circuits corresponds to one of the output ends; for example, a power supply modulating circuit is connected to each of the light-emitting diodes, and each of the light-
  • the driving sub-circuit includes a front resistor, a triode and a rear resistor, and a corresponding negative pole of the LED is connected to a collector of the triode through the front resistor, and a base of the triode passes through the rear resistor and a corresponding The output is connected, and the emitter of the transistor is grounded.
  • the wavelengths of the light emitted by the light emitting diodes are differently set.
  • the colors of the light emitted by the light emitting diodes are different, and the processing module outputs signals to the indicator driving circuit through a plurality of output terminals, and is driven by the indicator lights.
  • the LED corresponding to the circuit emits light, and outputs a signal to the power supply modulation circuit to control the power supply to the LED, thereby realizing the breathing effect of the LED, and the color of the light emitted by each LED is different, thereby realizing the colorful indication.
  • colorful breathing function featuring greater flexibility and low cost.
  • a plurality of light emitting diodes include more than two light emitting diodes; for example, the plurality of light emitting diodes include a light emitting diode LED1 (also referred to as a first light emitting diode, the same below), a light emitting diode LED2, and a light emitting diode LED3, the power modulation
  • the circuit is respectively connected to the light emitting diode LED1, the light emitting diode LED2 and the light emitting diode LED3, and the light emitting diode LED1, the light emitting diode LED2 and the light emitting diode LED3 are respectively connected to the indicator driving circuit;
  • the indicator driving circuit correspondingly includes a driving sub-circuit 1 (also referred to as a first driving sub-circuit, the same below), a driving sub-circuit 2 and a driving sub-circuit 3; the processing module correspondingly sets an output end 1 (also referred to as The first output end, the same as the output end 2 and the output end 3
  • the indicator driving circuit includes a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a transistor Q3, a transistor Q4, and a transistor Q5; wherein the driver circuit 1
  • the resistor R5, the transistor Q3 and the resistor R8 are included.
  • the driving sub-circuit 2 includes a resistor R6, a transistor Q4 and a resistor R9.
  • the driving sub-circuit 3 includes a resistor R7, a transistor Q5 and a resistor R10. The anode of the LED1 is connected to a power supply modulation circuit.
  • the cathode of the LED1 is connected to the collector of the transistor Q3 via a resistor R5, and the base of the transistor Q3 is connected to the first output of the processing module via a resistor R8.
  • the second output terminal is connected, the emitter of the transistor Q4 is grounded, the anode of the LED diode 2 is connected to the power supply modulation circuit, and the cathode of the LED LED1 is connected to the collector of the transistor Q5 through the resistor R7.
  • the base of the transistor Q5 is connected to the third output of the processing module via a resistor R10, and the emitter of the transistor Q5 is grounded.
  • a breathing light control circuit includes: a power modulation circuit, an indicator driving circuit, a light emitting diode LED1, a light emitting diode LED2, a light emitting diode LED3, and a processing module, and the power modulation circuit Connected to the light emitting diode LED1, the light emitting diode LED2, and the light emitting diode LED3, respectively, the light emitting diode LED1, the light emitting diode LED2 and the light emitting diode LED3 are respectively connected to the indicator driving circuit, An indicator driving circuit is connected to the processing module, and the power modulation circuit is connected to the processing module;
  • the indicator driving circuit includes a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a transistor Q3, a transistor Q4, and a transistor Q5.
  • the anode of the LED1 is connected to a power modulation circuit, and the LED a cathode of the diode LED1 is connected to a collector of the transistor Q3 via a resistor R5, a base of the transistor Q3 is connected to a first output end of the processing module via a resistor R8, and an emitter of the transistor Q3 is grounded,
  • the anode of the LED 2 is connected to the power supply modulation circuit, the cathode of the LED1 is connected to the collector of the transistor Q4 via a resistor R6, and the base of the transistor Q4 passes through the resistor R9 and the second output of the processing module.
  • the terminal is connected, the emitter of the transistor Q4 is grounded, the anode of the LED 2 is connected to a power modulation circuit, and the cathode of the LED 1 is connected to the collector of the transistor Q5 via a resistor R7, the transistor Q5
  • the base is connected to the third output of the processing module via a resistor R10, the emitter of which is grounded.
  • the light emitting diode LED1, the light emitting diode LED2, and the light emitting diode LED3 are respectively disposed differently, for example, the light emitting diode LED1, the light emitting diode LED2, and the light emitting diode LED3 are respectively different from each other.
  • the light-emitting color of the light-emitting diode LED1, the light-emitting diode LED2, and the light-emitting diode LED3 are different.
  • the light-emitting diode LED1 is a green light LED
  • the light-emitting diode LED2 is a red light LED
  • the light-emitting diode LED3 is a blue light LED.
  • the breathing lamp control circuit can enable the LED lamp to emit light of different colors, indicating better effect and more flexibility.
  • the first output end, the second output end, and the third output end of the processing module are used to output a switch signal, and the switch signal is used to control the switches of the LED, the LED 2 and the LED 3, respectively, that is, the switch signals respectively It is used to control the lighting and extinction of the light emitting diode LED1, the light emitting diode LED2 and the light emitting diode LED3.
  • the first output end, the second output end, and the third output end of the processing module output an active high level, that is, a high output outputted at the first output end, the second output end, and the third output end of the processing module.
  • the light emitting diode LED1, the light emitting diode LED2 and the light emitting diode LED3 are turned on, that is, the light emitting diode LED1, the light emitting diode LED2 and the light emitting diode LED3 are illuminated.
  • the transistor Q3 when the first output terminal outputs a high level, the transistor Q3 is turned on, so that the circuit of the LED 1 is turned on, the LED 1 is turned on, and then turned on; when the second output outputs a high level, the transistor Q4 is turned on.
  • the light-emitting diode LED2 is turned on, and the light-emitting diode LED2 is turned on; when the third output terminal outputs a high level, the transistor Q5 is turned on, so that the circuit of the light-emitting diode LED3 is turned on, and the light-emitting diode LED3 is turned on.
  • the processing module outputs the signals through the first output end, the second output end, and the third output end, and controls the light emitting diode LED1, the light emitting diode LED2, and the light emitting diode LED3 to emit light, and outputs a signal to the power supply modulating circuit to control the pair.
  • the power supply of the light-emitting diode LED1, the light-emitting diode LED2 and the light-emitting diode LED3 enables the light-emitting diode LED1, the light-emitting diode LED2 and the light-emitting diode LED3 to realize the colorful indication and the colorful breathing function, and has the characteristics of higher flexibility of use and low cost.
  • the power modulation circuit includes: a resistor R1, a resistor R2, a resistor R3, a resistor R4, a transistor Q1, and a transistor Q2.
  • One end of the resistor R1 is connected to a power source, and the resistor R1
  • the other end of the transistor Q1 is connected to the emitter of the transistor Q1, and the collector of the transistor Q1 is respectively connected to the light emitting diode LED1, the light emitting diode LED2 and the light emitting diode LED3, and the base of the transistor Q1 passes through
  • the resistor R3 is connected to the collector of the transistor Q2, the base of the transistor Q2 is connected to the fourth output end of the processing module through the resistor R4, the emitter of the transistor Q2 is grounded, and the resistor R2 One end is connected to a power source, and the other end of the resistor R2 is connected to the collector of the transistor Q2.
  • the power modulation circuit further includes a capacitor C1, and the collector of the transistor Q1 is also grounded through the capacitor C1, such that the current input to the power source passes through the capacitor.
  • the filtering of C1 makes the current supplied to the light emitting diode LED1, the light emitting diode LED2 and the light emitting diode LED3 more stable.
  • the power source is a power supply
  • the power modulation circuit is configured to modulate the current delivered by the power supply and output to the indicator driving circuit to control the illumination of the LED.
  • the fourth output of the processing module is configured to output a pulse modulation signal to the power modulation circuit, and the pulse modulation signal is used to control the brightness of the light emitting diode LED1, the light emitting diode LED2, and the light emitting diode LED3.
  • the pulse modulation signal combines the switching signals of the first output end, the second output end and the third output end, so that the light emitting diode LED1, the light emitting diode LED2 and the light emitting diode LED3 can generate a breathing effect, for example, the brightness of the LED light after lighting It gradually brightens from darkness and gradually darkens from bright.
  • the pulse modulation signal is also used to control the breathing length of the light emitting diode LED1, the light emitting diode LED2, and the light emitting diode LED3, that is, to control the length of time that the LED light is gradually illuminated from dark, and gradually darkened by light.
  • the processing module includes a processing chip.
  • the processing chip includes an S905 chip.
  • the processing chip is an S905 chip of Amlogic Corporation.
  • the GPIOX_0 pin, the GPIOX_1 pin, and the GPIOX_2 pin of the S905 chip are respectively connected to the indicator driving circuit. That is, in this embodiment, the GPIOX_0 pin, the GPIOX_1 pin, and the GPIOX_2 pin of the S905 chip are respectively connected to the indicator driving circuit as the first output terminal, the second output terminal, and the third output terminal of the processing module, for example, the The GPIOX_7 pin of the S905 chip is connected to the power modulation circuit.
  • the GPIOX_7 pin of the S905 chip is connected to the power modulation circuit through a resistor R262, that is, in the embodiment, the GPIOX_7 of the S905 chip.
  • the pin is connected to the power modulation circuit as a fourth output of the processing module.
  • the VDDIO_X pin of the S905 chip is connected to a power source.
  • the power source is a DC power source for supplying an operating current to the S905 chip.
  • the power source connected to the VDDIO_X pin of the S905 chip is different from the power source connected to the power modulation circuit.
  • the VDDIO_X pin of the S905 chip is connected to the first power source, and the power modulation circuit is connected to the second power source.
  • the GPIOX_0 pin of the S905 chip is connected to the base of the transistor Q3 through the resistor R8, the GPIOX_1 pin of the S905 chip is connected to the base of the transistor Q4 through the resistor R9, and the GPIOX_2 pin of the S905 chip passes the resistor R10.
  • the GPIOX_7 pin of the S905 chip is connected to the base of transistor Q2 via resistor R4.
  • the input and output parameters of the control algorithm consist of 6 input variable parameters and 4 output control variables.
  • the LED 1 is a green LED
  • the LED 2 is a red LED
  • the LED 3 is a blue LED.
  • the processing module calculates 4 output control variables according to the parameters of the 6 input variables, 4
  • the output control variable is used to output to the indicator drive circuit to control the operation of each LED lamp.
  • the six input parameters are BRTH, T, S, RI, GI and BI; the four output variables are PWM, RO, GO and BO.
  • BRTH Breathing mode, an integer ranging from 0-10, 0 indicates no breathing, and 1-10 indicates 10 different breathing patterns.
  • T The period of breathing, ranging from 0.1 second to 10 seconds, stepped for 0.1 second.
  • the speed of the brightness of the breathing lamp is gradual, ranging from 0-100; 0 is the slowest and 100 is the fastest.
  • RI Red LED light input, 0 means not participating in breathing, 1 means participating in breathing.
  • GI Green LED light input, 0 means not participating in breathing, 1 means participating in breathing.
  • BI Blue LED light input, 0 means not participating in breathing, 1 means participating in breathing.
  • PWM Pulse width modulated signal, output to the power supply modulation circuit, used to adjust the brightness of the LED light, which is a continuously changing signal, calculated from the input parameters T and S.
  • RO Output to the indicator drive circuit for controlling the switch of the red LED.
  • the six input variable parameters and the four output control variables are calculated as:
  • the first input variable RO is obtained, and the first output variable RI is output according to the first input variable RO.
  • the second input variable GO is obtained, and the second output variable GI is output according to the second input variable RO.
  • a third input variable BO is obtained, and a third output variable BI is output according to the third input variable RO.
  • the fourth output variable PWM is output according to the respiratory variable BRTH, otherwise, according to the respiratory variable BRTH, the respiratory cycle T and the respiratory frequency S.
  • the fourth output variable outputs a fourth output variable PWM.
  • the fourth output variable PWM output according to the breathing variable BRTH is 0, for example.
  • the calculation process is:
  • PWM t*BRTH*(S+1)/100T, where t is the time of continuous change, taking values from 0-T to T-0, with a step size of 0.1 second.
  • each module included is only divided according to functional logic, but is not limited to the above division, as long as the corresponding function can be implemented; in addition, the specific name of each functional unit It is also for convenience of distinguishing from each other and is not intended to limit the scope of protection of the present invention.

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Abstract

一种呼吸灯控制电路，包括：电源调制电路、指示灯驱动电路、处理模块与若干发光二极管，各发光二极管分别与电源调制电路及指示灯驱动电路连接，处理模块分别与电源调制电路及指示灯驱动电路连接；处理模块通过若干输出端向指示灯驱动电路输出信号，通过指示灯驱动电路对应的发光二极管发光，并通过向电源调制电路输出信号，控制对发光二极管的供电，进而实现发光二极管的产生呼吸效果，具有使用灵活性更高，且成本低的特点。

Description

呼吸灯控制电路 技术领域
本发明涉及发光控制技术领域，特别是呼吸灯控制电路。
背景技术
呼吸灯指的是灯光在控制之下完成由亮到暗的逐渐变化，灯像呼吸一般具有明显节奏的点亮或熄灭。呼吸灯一般用于指示或提示，被广泛应用在各种电子设备，如手机上，能够有效提高电子设备的指示效率，使得电子设备使用更为便捷。
传统的呼吸灯采用集成的驱动电路对LED(发光二极管)灯进行驱动，这样的驱动电路成本较高，功能较为单一，灵活性较差。
发明内容
基于此，有必要针对传统呼吸灯的驱动电路成本较高，功能较为单一，灵活性较差的缺陷，提供一种呼吸灯控制电路。
一种呼吸灯控制电路，包括：电源调制电路、指示灯驱动电路、处理模块与若干发光二极管，各所述发光二极管分别与所述电源调制电路及所述指示灯驱动电路连接，所述处理模块分别与所述电源调制电路及所述指示灯驱动电路连接；
所述指示灯驱动电路包括与各所述发光二极管一一对应的若干驱动子电路，所述处理模块设置与各所述驱动子电路一一对应的若干输出端，每一所述驱动子电路分别与一对应的所述输出端及一对应的所述发光二极管连接；
所述驱动子电路包括前电阻、三极管及后电阻，对应的所述发光二极管的负极通过所述前电阻与所述三极管的集电极连接，所述三极管的基极通过所述后电阻与对应的所述输出端连接，所述三极管的发射极接地。
在其中一个实施例中，所述若干发光二极管包括发光二极管LED1、发光二极管LED2和发光二极管LED3，所述电源调制电路分别与所述发光二极管 LED1、所述发光二极管LED2以及所述发光二极管LED3连接，所述发光二极管LED1、所述发光二极管LED2和所述发光二极管LED3分别与所述指示灯驱动电路连接；
所述指示灯驱动电路包括电阻R5、电阻R6、电阻R7、电阻R8、电阻R9、电阻R10、三极管Q3、三极管Q4和三极管Q5；所述发光二极管LED1的正极与电源调制电路连接，所述发光二极管LED1的负极通过电阻R5与所述三极管Q3的集电极连接，所述三极管Q3的基极通过电阻R8与所述处理模块的第一输出端连接，所述三极管Q3的发射极接地，所述发光二极管LED2的正极与电源调制电路连接，所述发光二极管LED1的负极通过电阻R6与所述三极管Q4的集电极连接，所述三极管Q4的基极通过电阻R9与所述处理模块的第二输出端连接，所述三极管Q4的发射极接地，所述发光二极管LED2的正极与电源调制电路连接，所述发光二极管LED1的负极通过电阻R7与所述三极管Q5的集电极连接，所述三极管Q5的基极通过电阻R10与所述处理模块的第三输出端连接，所述三极管Q5的发射极接地。
在其中一个实施例中，所述电源调制电路包括：电阻R1、电阻R2、电阻R3、电阻R4、三极管Q1和三极管Q2，所述电阻R1一端用于与电源连接，所述电阻R1的另一端与所述三极管Q1的发射极连接，所述三极管Q1的集电极分别与各所述发光二极管连接，所述三极管Q1的基极通过所述电阻R3与所述三极管Q2的集电极连接，所述三极管Q2的基极通过所述电阻R4与所述处理模块的第四输出端连接，所述三极管Q2的发射极接地，所述电阻R2的一端与电源连接，所述电阻R2的另一端与所述三极管Q2的集电极连接。
在其中一个实施例中，所述电源调制电路还包括电容C1，所述三极管Q1的集电极还通过所述电容C1接地。
在其中一个实施例中，所述处理模块包括处理芯片。
在其中一个实施例中，所述处理芯片包括S905芯片。
在其中一个实施例中，所述S905芯片的GPIOX_0针脚、GPIOX_1针脚和GPIOX_2针脚分别与所述指示灯驱动电路连接。
在其中一个实施例中，所述S905芯片的GPIOX_7针脚与所述电源调制电 路连接。
在其中一个实施例中，所述S905芯片的GPIOX_7针脚通过电阻R262与所述电源调制电路连接。
在其中一个实施例中，所述S905芯片的VDDIO_X针脚用于与电源连接。
上述呼吸灯控制电路，处理模块通过若干输出端向指示灯驱动电路输出信号，通过指示灯驱动电路对应的发光二极管发光，并通过向电源调制电路输出信号，控制对发光二极管的供电，进而实现发光二极管的产生呼吸效果，具有使用灵活性更高，且成本低的特点。
其他技术方案中，处理模块通过第一输出端、第二输出端和第三输出端输出信号，控制发光二极管LED1、发光二极管LED2和发光二极管LED3发光，并通过向电源调制电路输出信号，控制对发光二极管LED1、发光二极管LED2和发光二极管LED3的供电，从而使得发光二极管LED1、发光二极管LED2和发光二极管LED3能够实现多彩指示和多彩呼吸功能，具有使用灵活性更高，且成本低的特点。
附图说明
图1为一实施例的呼吸灯控制电路的电路原理图；
图2为一实施例的处理模块的连接示意图。
具体实施方式
为了便于理解本发明，下面将参照相关附图对本发明进行更全面的描述。附图中给出了本发明的较佳实施例。但是，本发明可以以许多不同的形式来实现，并不限于本文所描述的实施例。相反地，提供这些实施例的目的是使对本发明的公开内容的理解更加透彻全面。
例如，一种呼吸灯控制电路，其包括电源调制电路、指示灯驱动电路、处理模块与若干发光二极管，各所述发光二极管分别与所述电源调制电路及所述指示灯驱动电路连接，所述处理模块分别与所述电源调制电路及所述指示灯驱动电路连接；所述指示灯驱动电路包括与各所述发光二极管一一对应 的若干驱动子电路，所述处理模块设置与各所述驱动子电路一一对应的若干输出端，每一所述驱动子电路分别与一对应的所述输出端及一对应的所述发光二极管连接；即，每一发光二极管对应一所述驱动子电路，每一所述驱动子电路对应一所述输出端；例如，电源调制电路连接各所述发光二极管，各所述发光二极管分别通过所述驱动子电路对应连接所述处理模块的一所述输出端。所述驱动子电路包括前电阻、三极管及后电阻，对应的所述发光二极管的负极通过所述前电阻与所述三极管的集电极连接，所述三极管的基极通过所述后电阻与对应的所述输出端连接，所述三极管的发射极接地。
上述呼吸灯控制电路中，各发光二极管发射的光的波长相异设置，例如，各发光二极管发射的光的颜色相异，处理模块通过若干输出端向指示灯驱动电路输出信号，通过指示灯驱动电路对应的发光二极管发光，并通过向电源调制电路输出信号，控制对发光二极管的供电，进而实现发光二极管的产生呼吸效果，且由于各发光二极管发射的光的颜色相异，实现了实现多彩指示和多彩呼吸功能，具有使用灵活性更高，且成本低的特点。
例如，若干发光二极管包括两个以上的发光二极管；例如，所述若干发光二极管包括发光二极管LED1(亦可称为第一发光二极管，下同)、发光二极管LED2和发光二极管LED3，所述电源调制电路分别与所述发光二极管LED1、所述发光二极管LED2以及所述发光二极管LED3连接，所述发光二极管LED1、所述发光二极管LED2和所述发光二极管LED3分别与所述指示灯驱动电路连接；所述指示灯驱动电路对应包括驱动子电路1(亦可称为第一驱动子电路，下同)、驱动子电路2与驱动子电路3；所述处理模块对应设置输出端1(亦可称为第一输出端，下同)、输出端2与输出端3；发光二极管LED1通过驱动子电路1对应连接所述处理模块的输出端1，发光二极管LED2通过驱动子电路2对应连接所述处理模块的输出端2，发光二极管LED3通过驱动子电路3对应连接所述处理模块的输出端3。可以理解，发光二极管为其他数量时，相关实施例以此类推。
例如，所述指示灯驱动电路包括电阻R5、电阻R6、电阻R7、电阻R8、电阻R9、电阻R10、三极管Q3、三极管Q4和三极管Q5；其中，驱动子电路1 包括电阻R5、三极管Q3与电阻R8，驱动子电路2包括电阻R6、三极管Q4和电阻R9，驱动子电路3包括电阻R7、三极管Q5和电阻R10；所述发光二极管LED1的正极与电源调制电路连接，所述发光二极管LED1的负极通过电阻R5与所述三极管Q3的集电极连接，所述三极管Q3的基极通过电阻R8与所述处理模块的第一输出端连接，所述三极管Q3的发射极接地，所述发光二极管LED2的正极与电源调制电路连接，所述发光二极管LED1的负极通过电阻R6与所述三极管Q4的集电极连接，所述三极管Q4的基极通过电阻R9与所述处理模块的第二输出端连接，所述三极管Q4的发射极接地，所述发光二极管LED2的正极与电源调制电路连接，所述发光二极管LED1的负极通过电阻R7与所述三极管Q5的集电极连接，所述三极管Q5的基极通过电阻R10与所述处理模块的第三输出端连接，所述三极管Q5的发射极接地。
在一个实施例中，如图1所示，一种呼吸灯控制电路，包括：电源调制电路、指示灯驱动电路、发光二极管LED1、发光二极管LED2、发光二极管LED3和处理模块，所述电源调制电路分别与所述发光二极管LED1、所述发光二极管LED2以及所述发光二极管LED3连接，所述发光二极管LED1、所述发光二极管LED2和所述发光二极管LED3分别与所述指示灯驱动电路连接，所述指示灯驱动电路与所述处理模块连接，所述电源调制电路与所述处理模块连接；
所述指示灯驱动电路包括电阻R5、电阻R6、电阻R7、电阻R8、电阻R9、电阻R10、三极管Q3、三极管Q4和三极管Q5；所述发光二极管LED1的正极与电源调制电路连接，所述发光二极管LED1的负极通过电阻R5与所述三极管Q3的集电极连接，所述三极管Q3的基极通过电阻R8与所述处理模块的第一输出端连接，所述三极管Q3的发射极接地，所述发光二极管LED2的正极与电源调制电路连接，所述发光二极管LED1的负极通过电阻R6与所述三极管Q4的集电极连接，所述三极管Q4的基极通过电阻R9与所述处理模块的第二输出端连接，所述三极管Q4的发射极接地，所述发光二极管LED2的正极与电源调制电路连接，所述发光二极管LED1的负极通过电阻R7与所述三极管Q5的集电极连接，所述三极管Q5的基极通过电阻R10与所述处理模块的第三输出端连接，所述三极管Q5的发射极接地。
例如，所述发光二极管LED1、所述发光二极管LED2和所述发光二极管LED3分别相异设置，例如，所述发光二极管LED1、所述发光二极管LED2和所述发光二极管LED3之间分别两两相异设置，例如，该发光二极管LED1、发光二极管LED2和发光二极管LED3的发光颜色相异设置，例如，该发光二极管LED1为绿光LED，发光二极管LED2为红光LED，发光二极管LED3为蓝光LED。这样，能够使得呼吸灯控制电路能够使得LED灯发出不同颜色的光，指示效果更佳，更为灵活。
例如，该处理模块的第一输出端、第二输出端和第三输出端用于输出开关信号，开关信号分别用于控制发光二极管LED1、发光二极管LED2和发光二极管LED3的开关，即开关信号分别用于控制发光二极管LED1、发光二极管LED2和发光二极管LED3的点亮和熄灭。例如，该处理模块的第一输出端、第二输出端和第三输出端输出高电平有效，即在该处理模块的第一输出端、第二输出端和第三输出端输出的高电平时，发光二极管LED1、发光二极管LED2和发光二极管LED3开启，即发光二极管LED1、发光二极管LED2和发光二极管LED3被点亮。
具体地，当第一输出端输出高电平，三极管Q3导通，使得发光二极管LED1所在电路导通，发光二极管LED1被导通，进而开启；当第二输出端输出高电平，三极管Q4导通，使得发光二极管LED2所在电路导通，发光二极管LED2被导通；当第三输出端输出高电平，三极管Q5导通，使得发光二极管LED3所在电路导通，发光二极管LED3被导通。
本实施例中，处理模块通过第一输出端、第二输出端和第三输出端输出信号，控制发光二极管LED1、发光二极管LED2和发光二极管LED3发光，并通过向电源调制电路输出信号，控制对发光二极管LED1、发光二极管LED2和发光二极管LED3的供电，从而使得发光二极管LED1、发光二极管LED2和发光二极管LED3能够实现多彩指示和多彩呼吸功能，具有使用灵活性更高，且成本低的特点。
在一个实施例中，所述电源调制电路包括：电阻R1、电阻R2、电阻R3、电阻R4、三极管Q1和三极管Q2，所述电阻R1一端与电源连接，所述电阻R1 的另一端与所述三极管Q1的发射极连接，所述三极管Q1的集电极分别与所述发光二极管LED1、所述发光二极管LED2以及所述发光二极管LED3连接，所述三极管Q1的基极通过所述电阻R3与所述三极管Q2的集电极连接，所述三极管Q2的基极通过所述电阻R4与所述处理模块的第四输出端连接，所述三极管Q2的发射极接地，所述电阻R2的一端与电源连接，所述电阻R2的另一端与所述三极管Q2的集电极连接。
为了使得供给LED的电源更为稳定，在一个实施例中，所述电源调制电路还包括电容C1，所述三极管Q1的集电极还通过所述电容C1接地，这样，该电源输入的电流经过电容C1的滤波，使得供给发光二极管LED1、发光二极管LED2和发光二极管LED3的电流更为稳定。
在本实施例中，电源为供电电源，电源调制电路用于对供电电源输送的电流进行调制，输出至指示灯驱动电路以控制LED灯的发光。
该处理模块的第四输出端用于向电源调制电路输出脉冲调制信号，该脉冲调制信号用于控制发光二极管LED1、发光二极管LED2和发光二极管LED3的发光亮度。这样，该脉冲调制信号结合第一输出端、第二输出端和第三输出端的开关信号，能够使得发光二极管LED1、发光二极管LED2和发光二极管LED3产生呼吸效果，例如，LED灯点亮后，亮度由暗逐渐变亮，并由亮逐渐变暗。例如，该脉冲调制信号还用于控制发光二极管LED1、发光二极管LED2和发光二极管LED3的呼吸长度，即控制LED灯由暗逐渐点亮，以及由亮逐渐变暗的时间长度。
在一个实施例中，所述处理模块包括处理芯片，例如，所述处理芯片包括S905芯片，例如，该处理芯片为Amlogic公司的S905芯片。例如，如图3所示，所述S905芯片的GPIOX_0针脚、GPIOX_1针脚和GPIOX_2针脚分别与所述指示灯驱动电路连接。即在本实施例中，S905芯片的GPIOX_0针脚、GPIOX_1针脚和GPIOX_2针脚分别作为处理模块的第一输出端、第二输出端和第三输出端与所述指示灯驱动电路连接，例如，所述S905芯片的GPIOX_7针脚与所述电源调制电路连接，例如，所述S905芯片的GPIOX_7针脚通过电阻R262与所述电源调制电路连接，即在本实施例中，所述S905芯片的GPIOX_7 针脚作为处理模块的第四输出端与电源调制电路连接。例如，所述S905芯片的VDDIO_X针脚与电源连接，例如，该电源为直流电源，用于为S905芯片提供工作电流，例如，S905芯片的VDDIO_X针脚连接的电源与电源调制电路连接的电源相异，例如，S905芯片的VDDIO_X针脚与第一电源连接，电源调制电路与第二电源连接。
例如，请结合图2和图3，S905芯片的GPIOX_0针脚通过电阻R8与三极管Q3的基极连接，S905芯片的GPIOX_1针脚通过电阻R9与三极管Q4的基极连接，S905芯片的GPIOX_2针脚通过电阻R10与三极管Q5的基极连接，S905芯片的GPIOX_7针脚通过电阻R4与三极管Q2的基极连接。
以下是一个具体实施例：
控制算法的输入输出参数由6个输入变量参数和4个输出控制变量组成。本实施例中，发光二极管LED1为绿光LED灯，发光二极管LED2为红光LED灯，发光二极管LED3为蓝光LED灯，处理模块根据6个输入变量参数，计算获得4个输出控制变量，4个输出控制变量用于输出至指示灯驱动电路，控制各LED灯的工作。其中6个输入参数分别是BRTH、T、S、RI、GI和BI；4个输出变量分别是PWM、RO、GO和BO。
各个参数描述：
BRTH：呼吸的模式，取值范围0-10的整数，0标识不呼吸，1-10表示10种不同的呼吸模式。
T：呼吸的周期，取值范围0.1秒-10秒，步进0.1秒。
S：呼吸灯亮度渐变的快慢，取值范围0-100；0最慢，100最快。
RI：红色LED灯输入，0表示不参与呼吸，1表示参与呼吸。
GI：绿色LED灯输入，0表示不参与呼吸，1表示参与呼吸。
BI：蓝色LED灯输入，0表示不参与呼吸，1表示参与呼吸。
PWM：脉宽调制信号，输出至电源调制电路，用于调节LED灯的亮度，这是一个连续变化的信号，由输入参数T和S计算得出。
RO：输出至指示灯驱动电路，用于控制红色LED灯的开关。
GO：输出至指示灯驱动电路，用于控制绿色LED灯的开关。
BO：输出至指示灯驱动电路，用于控制蓝色LED灯的开关。
在本实施例中，6个输入变量参数和4个输出控制变量计算方法为：
获取第一输入变量RO，根据第一输入变量RO输出第一输出变量RI。
获取第二输入变量GO，根据第二输入变量RO输出第二输出变量GI。
获取第三输入变量BO，根据第三输入变量RO输出第三输出变量BI。
获取呼吸变量BRTH、呼吸周期T以及呼吸频率S，检测呼吸变量BRTH是否为零，如是，则根据呼吸变量BRTH输出第四输出变量PWM，否则，根据呼吸变量BRTH、呼吸周期T以及呼吸频率S计算第四输出变量，并输出第四输出变量PWM。例如，根据呼吸变量BRTH输出的第四输出变量PWM为0，例如。
在本实施例中，该计算过程为：
RO＝RI；
GO＝GI；
BO＝BI；
IF BRTH＝0，PWM＝1。
IF BRTH＝1-10，PWM＝t*BRTH*(S+1)/100T，其中t是连续变化的时刻，取值从0-T再从T-0，步长0.1秒。
应该说明的是，上述系统实施例中，所包括的各个模块只是按照功能逻辑进行划分的，但并不局限于上述的划分，只要能够实现相应的功能即可；另外，各功能单元的具体名称也只是为了便于相互区分，并不用于限制本发明的保护范围。
另外，本领域普通技术人员可以理解实现上述各实施例方法中的全部或部分步骤是可以通过程序来指令相关的硬件来完成，相应的程序可以存储于可读取存储介质中。
以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对发明专利范围的限制。应当指出的是，对于本 领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。因此，本发明专利的保护范围应以所附权利要求为准。

Claims (10)

  1. 一种呼吸灯控制电路，其特征在于，包括电源调制电路、指示灯驱动电路、处理模块与若干发光二极管，各所述发光二极管分别与所述电源调制电路及所述指示灯驱动电路连接，所述处理模块分别与所述电源调制电路及所述指示灯驱动电路连接；
    所述指示灯驱动电路包括与各所述发光二极管一一对应的若干驱动子电路，所述处理模块设置与各所述驱动子电路一一对应的若干输出端，每一所述驱动子电路分别与一对应的所述输出端及一对应的所述发光二极管连接；
    所述驱动子电路包括前电阻、三极管及后电阻，对应的所述发光二极管的负极通过所述前电阻与所述三极管的集电极连接，所述三极管的基极通过所述后电阻与对应的所述输出端连接，所述三极管的发射极接地。
  2. 根据权利要求1所述的呼吸灯控制电路，其特征在于，所述若干发光二极管包括发光二极管LED1、发光二极管LED2和发光二极管LED3，所述电源调制电路分别与所述发光二极管LED1、所述发光二极管LED2以及所述发光二极管LED3连接，所述发光二极管LED1、所述发光二极管LED2和所述发光二极管LED3分别与所述指示灯驱动电路连接；
    所述指示灯驱动电路包括电阻R5、电阻R6、电阻R7、电阻R8、电阻R9、电阻R10、三极管Q3、三极管Q4和三极管Q5；所述发光二极管LED1的正极与电源调制电路连接，所述发光二极管LED1的负极通过电阻R5与所述三极管Q3的集电极连接，所述三极管Q3的基极通过电阻R8与所述处理模块的第一输出端连接，所述三极管Q3的发射极接地，所述发光二极管LED2的正极与电源调制电路连接，所述发光二极管LED1的负极通过电阻R6与所述三极管Q4的集电极连接，所述三极管Q4的基极通过电阻R9与所述处理模块的第二输出端连接，所述三极管Q4的发射极接地，所述发光二极管LED2的正极与电源调制电路连接，所述发光二极管LED1的负极通过电阻R7与所述三极管Q5的集电极连接，所述三极管Q5的基极通过电阻R10与所述处理模块的第三输出端连接，所述三极管Q5的发射极接地。
  3. 根据权利要求1所述的呼吸灯控制电路，其特征在于，所述电源调制 电路包括：电阻R1、电阻R2、电阻R3、电阻R4、三极管Q1和三极管Q2，所述电阻R1一端用于与电源连接，所述电阻R1的另一端与所述三极管Q1的发射极连接，所述三极管Q1的集电极分别与各所述发光二极管连接，所述三极管Q1的基极通过所述电阻R3与所述三极管Q2的集电极连接，所述三极管Q2的基极通过所述电阻R4与所述处理模块的第四输出端连接，所述三极管Q2的发射极接地，所述电阻R2的一端与电源连接，所述电阻R2的另一端与所述三极管Q2的集电极连接。
  4. 根据权利要求3所述的呼吸灯控制电路，其特征在于，所述电源调制电路还包括电容C1，所述三极管Q1的集电极还通过所述电容C1接地。
  5. 根据权利要求1所述的呼吸灯控制电路，其特征在于，所述处理模块包括处理芯片。
  6. 根据权利要求5所述的呼吸灯控制电路，其特征在于，所述处理芯片包括S905芯片。
  7. 根据权利要求6所述的呼吸灯控制电路，其特征在于，所述S905芯片的GPIOX_0针脚、GPIOX_1针脚和GPIOX_2针脚分别与所述指示灯驱动电路连接。
  8. 根据权利要求6所述的呼吸灯控制电路，其特征在于，所述S905芯片的GPIOX_7针脚与所述电源调制电路连接。
  9. 根据权利要求6所述的呼吸灯控制电路，其特征在于，所述S905芯片的GPIOX_7针脚通过电阻R262与所述电源调制电路连接。
  10. 根据权利要求6所述的呼吸灯控制电路，其特征在于，所述S905芯片的VDDIO_X针脚用于与电源连接。
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