WO2018032822A1 - 一种基于音频信号控制的指示灯系统 - Google Patents

一种基于音频信号控制的指示灯系统 Download PDF

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Publication number
WO2018032822A1
WO2018032822A1 PCT/CN2017/084436 CN2017084436W WO2018032822A1 WO 2018032822 A1 WO2018032822 A1 WO 2018032822A1 CN 2017084436 W CN2017084436 W CN 2017084436W WO 2018032822 A1 WO2018032822 A1 WO 2018032822A1
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WIPO (PCT)
Prior art keywords
resistor
audio signal
level indicating
indicating circuit
emitting diode
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PCT/CN2017/084436
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English (en)
French (fr)
Inventor
陈涛
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深圳喜乐航科技有限公司
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Publication of WO2018032822A1 publication Critical patent/WO2018032822A1/zh

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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10Controlling the light source
    • H05B47/105Controlling the light source in response to determined parameters
    • H05B47/115Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings
    • H05B47/12Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings by detecting audible sound
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40Control techniques providing energy savings, e.g. smart controller or presence detection

Definitions

  • the present invention relates to an indicator light system, and more particularly to an indicator light system based on audio signal control.
  • the mainstream indicator system is controlled by a single chip microcomputer or CLPD. Because of its high power consumption, large volume, and the need to occupy an additional control interface, its transmission cannot be used in a space with small space and few interfaces.
  • CLPD microcomputer
  • LEDs light-emitting diodes
  • the traditional LED indicators are mostly controlled by TTL signals. Based on the standard communication protocol, if you want to control through the USB port, you need to convert the USB signal to the TTL signal. Then, you need additional hardware circuits, software drivers and communication software. .
  • the technical problem to be solved by the present invention is to provide an indicator system based on audio signal control that occupies less interface, consumes less power, and does not require software to drive.
  • the present invention provides an indicator system based on an audio signal control, including: a level indicating circuit, an indicator light module, an audio signal input control module, and an output module, the audio signal input control module and the a signal input end of the level indicating circuit is connected, the indicator light module is connected to a driving output end of the level indicating circuit, and the output module is connected to an output end of the level indicating circuit
  • a further improvement of the present invention is that the level indicating circuit includes an LED level indicating integrated circuit.
  • the audio signal input control module includes an audio signal input terminal Vi n , a capacitor C2 and an adjustable resistor W1, and the audio signal input terminal Vin is connected to the adjustable through the capacitor C2.
  • One end of the resistor W1, the other end of the adjustable resistor W1 is grounded, and the adjustable end of the adjustable resistor W1 is connected to the signal input end of the level indicating circuit.
  • the output module includes a resistor R6 and a capacitor C1, and one end of the resistor R6 and one end of the capacitor C1 are connected to an output end of the level indicating circuit, and the resistor R6 The other end is grounded to the other end of the capacitor C1.
  • a further improvement of the present invention is that the driving output end of the level indicating circuit includes a first driving output port, the indicator light module includes a light emitting diode D1 and a resistor R1, and one end of the resistor R1 is connected to the power end. The other end of the resistor R1 is connected to the anode of the light emitting diode D1, and the cathode of the light emitting diode D1 is connected to the first driving output port.
  • a further improvement of the present invention is that the driving output end of the level indicating circuit includes a second driving output port, the indicator light module further includes a light emitting diode D2 and a resistor R2, and one end of the resistor R2 is connected to the power source. The other end of the resistor R2 is connected to the anode of the light emitting diode D2, and the cathode of the light emitting diode D2 is connected to the second driving output port.
  • a further improvement of the present invention is that the driving output end of the level indicating circuit includes a third driving output port, the indicator light module further includes a light emitting diode D3 and a resistor R3, and one end of the resistor R3 is connected to the power source. The other end of the resistor R3 is connected to the anode of the light emitting diode D3, and the cathode of the light emitting diode D3 is connected to the third driving output port.
  • a further improvement of the present invention is that the driving output end of the level indicating circuit includes a fourth driving output port, the indicator light module further includes a light emitting diode D4 and a resistor R4, and one end of the resistor R4 is connected to the power source. The other end of the resistor R4 is connected to the anode of the light emitting diode D4, and the cathode of the light emitting diode D4 is connected to the fourth driving output port.
  • a further improvement of the present invention is that the driving output end of the level indicating circuit includes a fifth driving output port, the indicator light module further includes a light emitting diode D5 and a resistor R5, and one end of the resistor R5 is connected to the power source. The other end of the resistor R5 is connected to the anode of the light emitting diode D5, and the cathode of the light emitting diode D5 is connected to the fifth driving output port.
  • a further improvement of the present invention is that the level indicating circuit includes a reference voltage source, an alternating current detecting amplifier and a potentiometer, and the reference voltage source and the potentiometer are respectively connected to the alternating current detecting amplifier, and the alternating current detecting An amplifier is coupled to the drive output of the level indicating circuit.
  • the invention has the following advantages: the signal input end of the level indicating circuit can input the audio signal through the audio signal input control module, and the audio signal source can be howling and white noise.
  • the audio signal of different sound pressure levels is further driven by the level indicating circuit to drive the indicator light in the indicator module; the invention occupies less interface, occupies less resources, consumes less power, and supports input of a wide voltage.
  • the audio signal enables input control without the need for drivers and other accompanying software.
  • FIG. 1 is a schematic structural view of an embodiment of the present invention
  • FIG. 2 is a schematic diagram showing the internal principle of a level indicating circuit according to an embodiment of the present invention.
  • the present embodiment provides an indicator system based on audio signal control, including: a level indicating circuit 1, an indicator module 2, an audio signal input control module 3, and an output module 4, the audio
  • the signal input control module 3 is connected to the signal input end of the level indicating circuit 1
  • the indicator light module 2 is connected to the driving output end of the level indicating circuit 1
  • the output module 4 and the electric The output terminals of the flat indicating circuit 1 are connected.
  • the level indicating circuit 1 of the present example includes an LED level indicating integrated circuit, and the LED level indicating integrated circuit preferably uses an KA2284 series chip, that is, an integrated circuit chip indicated by a 5-point LED level.
  • the audio signal input control module 3 of this example includes an audio signal input terminal Vin, a capacitor C 2 and an adjustable resistor W1, and the audio signal input terminal Vin is connected to the One end of the adjustable resistor W1, the other end of the adjustable resistor W1 is grounded, and the adjustable end of the adjustable resistor W1 is connected to the
  • the signal input terminal of the level indicating circuit 1 and the signal input terminal of the level indicating circuit 1 are preferably 8 pins of the KA2284 series chip.
  • the output module 4 includes a resistor R6 and a capacitor C1. One end of the resistor R6 and one end of the capacitor C1 are connected to the output end of the level indicating circuit 1.
  • the other end of the resistor R6 and the capacitor C1 are One end is grounded, and the output of the level indicating circuit 1 is preferably a 7-pin of the KA2284 series chip, and the 9-pin of the KA2284 series chip is a power pin.
  • the driving output end of the level indicating circuit 1 of the present example includes a first driving output port, and the first driving output port is preferably a 1-pin of the KA2284 series chip, for outputting -
  • the driving module 2 includes a light emitting diode D1 and a resistor R1, one end of the resistor R1 is connected to the power terminal, and the other end of the resistor R1 is connected to the anode of the light emitting diode D1, the light emitting diode D1 A cathode is coupled to the first drive output port.
  • the driving output end of the level indicating circuit 1 of the present example includes a second driving output port, and the second driving output port is preferably a 2-pin of the KA2284 series chip for outputting - 5dB drive signal;
  • the indicator module 2 further includes a light-emitting diode D2 and a resistor R2, one end of the resistor R2 is connected to the power terminal, and the other end of the resistor R2 is connected to the anode of the light-emitting diode D2, the light-emitting diode The cathode of D2 is coupled to the second drive output port.
  • the driving output end of the level indicating circuit 1 of the present example includes a third driving output port, and the third driving output port is preferably a 3-pin of the KA2284 series chip for outputting OdB.
  • the indicator module 2 further includes a light-emitting diode D3 and a resistor R3, one end of the resistor R3 is connected to the power terminal, and the other end of the resistor R3 is connected to the anode of the light-emitting diode D3, the light-emitting diode D3 A cathode is coupled to the third drive output port.
  • the driving output end of the level indicating circuit 1 of the present example includes a fourth driving output port, and the fourth driving output port is preferably a 4-pin of the KA2284 series chip, and is used for outputting 3 dB.
  • the indicator module 2 further includes a light emitting diode D4 and a resistor R4, one end of the resistor R4 is connected to the power terminal, and the other end of the resistor R4 is connected to the anode of the light emitting diode D4, the light emitting diode D4 A cathode is coupled to the fourth drive output port.
  • the driving output end of the level indicating circuit 1 of the present example includes a fifth driving output port, and the fifth driving output port is preferably a 6-pin of the KA2284 series chip, and is used for outputting 6 dB.
  • the driving module signal further includes a light emitting diode D5 and a resistor R5, and one end of the resistor R5 is connected to At the power terminal, the other end of the resistor R5 is connected to the anode of the light emitting diode D5, and the cathode of the light emitting diode D5 is connected to the fifth driving output port.
  • Indicators that achieve drive requirements of -10dB, -5dB, 0dB, 3dB, and 6dB, respectively.
  • the level indicating circuit 1 of this example includes a reference voltage source 5, an alternating current detecting amplifier 6 and a potentiometer 7, and the reference voltage source 5 and the potentiometer 7 are respectively connected to the alternating current detecting amplifier.
  • the 6-phase is connected, and the AC detection amplifier 6 is connected to the drive output terminal of the level indicating circuit 1.
  • This example supports a wide voltage supply of 3.5V-12V; the level indicating circuit 1 is equipped with a potentiometer 7; can be appropriately adjusted according to the height of the power supply voltage; and the included AC detection amplifier 6 is suitable for AC/DC level Instructions such as VU meters or signal indicators.
  • the signal input end of the level indicating circuit 1 of the present example realizes the input of the audio signal through the audio signal input control module 3, and the audio signal source thereof may be an audio signal of different sound pressure levels such as howling and white noise, and further
  • the indicator light of the indicator module 2 is driven by the level indicating circuit 1.
  • the example occupies less interface, occupies less resources, consumes less power, and supports input of a wide voltage, and realizes input control through an audio signal without driving. And other supporting software.

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  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Measurement Of Current Or Voltage (AREA)

Abstract

一种基于音频信号控制的指示灯系统,包括:电平指示电路(1)、指示灯模块(2)、音频信号输入控制模块(3)和输出模块(4),音频信号输入控制模块(3)与电平指示电路(1)的信号输入端相连接,指示灯模块(2)与电平指示电路(1)的驱动输出端相连接,输出模块(4)与电平指示电路(1)的输出端相连接。电平指示电路(1)的信号输入端通过音频信号输入控制模块(3)实现音频信号的输入,其音频信号源可以为啸叫、白噪声等不同声压级的音频信号,进而通过电平指示电路(1)驱动指示灯模块(2)中指示灯的闪亮;占用接口少,占用资源少,功耗低,且支撑宽电压的输入,通过音频信号实现输入控制,无需驱动以及其他配套的软件。

Description

一种基于音频信号控制的指示灯系统
技术领域
[0001] 本发明涉及一种指示灯系统, 尤其涉及一种基于音频信号控制的指示灯系统。
背景技术
[0002] 目前主流的指示灯系统中均通过单片机或 CLPD控制, 由于其高功耗、 体积较 大、 且需要占用额外的控制接口, 使得其发无法在空间小和接口少的场合下使 用。 而常见电子设备上都有几个指示灯, 用于监控设备的状态和运行, 这些指 示灯一般都采用发光二极管 (LED) ; 如果能充分了解这些指示灯的意义, 往往 能在网络故障诊断的过程中, 简单快捷的判断出故障原因, 达到意想不到的效 果。 但传统的 LED指示灯多通过 TTL信号控制, 其基于标准的通讯协议, 如想通 过 USB口控制则需要通过 USB信号至 TTL信号的转换, 那么, 就需要额外的硬件 电路、 软件驱动以及通讯软件。
技术问题
[0003] 在此处键入技术问题描述段落。
问题的解决方案
技术解决方案
[0004] 本发明所要解决的技术问题是需要提供一种占用接口少、 功耗低且无需软件驱 动的基于音频信号控制的指示灯系统。
[0005] 对此, 本发明提供一种基于音频信号控制的指示灯系统, 包括: 电平指示电路 、 指示灯模块、 音频信号输入控制模块和输出模块, 所述音频信号输入控制模 块与所述电平指示电路的信号输入端相连接, 所述指示灯模块与所述电平指示 电路的驱动输出端相连接, 所述输出模块与所述电平指示电路的输出端相连接
[0006] 本发明的进一步改进在于, 所述电平指示电路包括 LED电平指示集成电路。
[0007] 本发明的进一步改进在于, 所述音频信号输入控制模块包括音频信号输入端 Vi n、 电容 C2和可调电阻 Wl, 所述音频信号输入端 Vin通过电容 C2连接至所述可调 电阻 Wl的一端, 所述可调电阻 Wl的另一端接地, 所述可调电阻 W1的可调端连 接至所述电平指示电路的信号输入端。
[0008] 本发明的进一步改进在于, 所述输出模块包括电阻 R6和电容 Cl, 所述电阻 R6 的一端和电容 C1的一端均与所述电平指示电路的输出端相连接, 所述电阻 R6的 另一端和电容 C 1的另一端接地。
[0009] 本发明的进一步改进在于, 所述电平指示电路的驱动输出端包括第一驱动输出 端口, 所述指示灯模块包括发光二极管 D1和电阻 Rl, 所述电阻 R1的一端连接至 电源端, 所述电阻 R1的另一端连接至发光二极管 D1的阳极, 所述发光二极管 D1 的阴极连接至所述第一驱动输出端口。
[0010] 本发明的进一步改进在于, 所述电平指示电路的驱动输出端包括第二驱动输出 端口, 所述指示灯模块还包括发光二极管 D2和电阻 R2, 所述电阻 R2的一端连接 至电源端, 所述电阻 R2的另一端连接至发光二极管 D2的阳极, 所述发光二极管 D2的阴极连接至所述第二驱动输出端口。
[0011] 本发明的进一步改进在于, 所述电平指示电路的驱动输出端包括第三驱动输出 端口, 所述指示灯模块还包括发光二极管 D3和电阻 R3, 所述电阻 R3的一端连接 至电源端, 所述电阻 R3的另一端连接至发光二极管 D3的阳极, 所述发光二极管 D3的阴极连接至所述第三驱动输出端口。
[0012] 本发明的进一步改进在于, 所述电平指示电路的驱动输出端包括第四驱动输出 端口, 所述指示灯模块还包括发光二极管 D4和电阻 R4, 所述电阻 R4的一端连接 至电源端, 所述电阻 R4的另一端连接至发光二极管 D4的阳极, 所述发光二极管 D4的阴极连接至所述第四驱动输出端口。
[0013] 本发明的进一步改进在于, 所述电平指示电路的驱动输出端包括第五驱动输出 端口, 所述指示灯模块还包括发光二极管 D5和电阻 R5, 所述电阻 R5的一端连接 至电源端, 所述电阻 R5的另一端连接至发光二极管 D5的阳极, 所述发光二极管 D5的阴极连接至所述第五驱动输出端口。
[0014] 本发明的进一步改进在于, 所述电平指示电路包括基准电压源、 交流检波放大 器和电位器, 所述基准电压源和电位器分别与所述交流检波放大器相连接, 所 述交流检波放大器与所述电平指示电路的驱动输出端相连接。 发明的有益效果
有益效果
[0015] 与现有技术相比, 本发明的有益效果在于: 所述电平指示电路的信号输入端通 过音频信号输入控制模块实现音频信号的输入, 其音频信号源可以为啸叫、 白 噪声等不同声压级的音频信号, 进而通过电平指示电路驱动所述指示灯模块中 指示灯的闪亮; 本发明占用接口少, 占用资源少, 功耗低, 且支撑宽电压的输 入, 通过音频信号实现输入控制, 无需驱动以及其他配套的软件。
对附图的简要说明
附图说明
[0016] 图 1是本发明一种实施例的结构示意图;
[0017] 图 2是本发明一种实施例的电平指示电路的内部原理示意图。
实施该发明的最佳实施例
本发明的最佳实施方式
[0018] 在此处键入本发明的最佳实施方式描述段落。
本发明的实施方式
[0019] 下面结合附图, 对本发明的较优的实施例作进一步的详细说明。
[0020] 如图 1所示, 本例提供一种基于音频信号控制的指示灯系统, 包括: 电平指示 电路 1、 指示灯模块 2、 音频信号输入控制模块 3和输出模块 4, 所述音频信号输 入控制模块 3与所述电平指示电路 1的信号输入端相连接, 所述指示灯模块 2与所 述电平指示电路 1的驱动输出端相连接, 所述输出模块 4与所述电平指示电路 1的 输出端相连接。
[0021] 本例所述电平指示电路 1包括 LED电平指示集成电路, 所述 LED电平指示集成 电路优选采用 KA2284系列芯片, 即于 5点 LED电平指示的集成电路芯片。
[0022] 如图 1所示, 本例所述音频信号输入控制模块 3包括音频信号输入端 Vin、 电容 C 2和可调电阻 W1, 所述音频信号输入端 Vin通过电容 C2连接至所述可调电阻 W1 的一端, 所述可调电阻 W1的另一端接地, 所述可调电阻 W1的可调端连接至所述 电平指示电路 1的信号输入端, 所述电平指示电路 1的信号输入端优选为 KA2284 系列芯片的 8管脚。 所述输出模块 4包括电阻 R6和电容 Cl, 所述电阻 R6的一端和 电容 C1的一端均与所述电平指示电路 1的输出端相连接, 所述电阻 R6的另一端和 电容 C1的另一端接地, , 所述电平指示电路 1的输出端优选为 KA2284系列芯片 的 7管脚, 而 KA2284系列芯片的 9管脚为电源管脚。
[0023] 如图 1所示, 本例所述电平指示电路 1的驱动输出端包括第一驱动输出端口, 所 述第一驱动输出端口优选为 KA2284系列芯片的 1管脚, 用于输出 -10dB的驱动信 号; 所述指示灯模块 2包括发光二极管 D1和电阻 Rl, 所述电阻 R1的一端连接至 电源端, 所述电阻 R1的另一端连接至发光二极管 D1的阳极, 所述发光二极管 D1 的阴极连接至所述第一驱动输出端口。
[0024] 如图 1所示, 本例所述电平指示电路 1的驱动输出端包括第二驱动输出端口, 所 述第二驱动输出端口优选为 KA2284系列芯片的 2管脚, 用于输出 -5dB的驱动信号 ; 所述指示灯模块 2还包括发光二极管 D2和电阻 R2, 所述电阻 R2的一端连接至 电源端, 所述电阻 R2的另一端连接至发光二极管 D2的阳极, 所述发光二极管 D2 的阴极连接至所述第二驱动输出端口。
[0025] 如图 1所示, 本例所述电平指示电路 1的驱动输出端包括第三驱动输出端口, 所 述第三驱动输出端口优选为 KA2284系列芯片的 3管脚, 用于输出 OdB的驱动信号 ; 所述指示灯模块 2还包括发光二极管 D3和电阻 R3, 所述电阻 R3的一端连接至 电源端, 所述电阻 R3的另一端连接至发光二极管 D3的阳极, 所述发光二极管 D3 的阴极连接至所述第三驱动输出端口。
[0026] 如图 1所示, 本例所述电平指示电路 1的驱动输出端包括第四驱动输出端口, 所 述第四驱动输出端口优选为 KA2284系列芯片的 4管脚, 用于输出 3dB的驱动信号 ; 所述指示灯模块 2还包括发光二极管 D4和电阻 R4, 所述电阻 R4的一端连接至 电源端, 所述电阻 R4的另一端连接至发光二极管 D4的阳极, 所述发光二极管 D4 的阴极连接至所述第四驱动输出端口。
[0027] 如图 1所示, 本例所述电平指示电路 1的驱动输出端包括第五驱动输出端口, 所 述第五驱动输出端口优选为 KA2284系列芯片的 6管脚, 用于输出 6dB的驱动信号 ; 所述指示灯模块 2还包括发光二极管 D5和电阻 R5, 所述电阻 R5的一端连接至 电源端, 所述电阻 R5的另一端连接至发光二极管 D5的阳极, 所述发光二极管 D5 的阴极连接至所述第五驱动输出端口。
[0028] 因此, 本例能够实现 5点 LED
指示器, 分别实现 -10dB、 -5dB、 0dB、 3dB和 6dB的驱动要求。
[0029] 如图 2所示, 本例所述电平指示电路 1包括基准电压源 5、 交流检波放大器 6和电 位器 7, 所述基准电压源 5和电位器 7分别与所述交流检波放大器 6相连接, 所述 交流检波放大器 6与所述电平指示电路 1的驱动输出端相连接。 本例支持宽电压 供电 3.5V-12V; 所述电平指示电路 1中配置电位器 7; 可根据电源电压的高低进 行适当调整; 且内含的交流检波放大器 6, 适用于 AC/DC电平指示, 如 VU仪表 或信号指示器。
[0030] 本例所述电平指示电路 1的信号输入端通过音频信号输入控制模块 3实现音频信 号的输入, 其音频信号源可以为啸叫、 白噪声等不同声压级的音频信号, 进而 通过电平指示电路 1驱动所述指示灯模块 2中指示灯的闪亮; 本例占用接口少, 占用资源少, 功耗低, 且支撑宽电压的输入, 通过音频信号实现输入控制, 无 需驱动以及其他配套的软件。
[0031] 以上所述之具体实施方式为本发明的较佳实施方式, 并非以此限定本发明的具 体实施范围, 本发明的范围包括并不限于本具体实施方式, 凡依照本发明之形 状、 结构所作的等效变化均在本发明的保护范围内。 。
工业实用性
[0032] 在此处键入工业实用性描述段落。
序列表自由内容
[0033] 在此处键入序列表自由内容描述段落。

Claims

权利要求书
[权利要求 1] 一种基于音频信号控制的指示灯系统, 其特征在于, 包括: 电平指示 电路、 指示灯模块、 音频信号输入控制模块和输出模块, 所述音频信 号输入控制模块与所述电平指示电路的信号输入端相连接, 所述指示 灯模块与所述电平指示电路的驱动输出端相连接, 所述输出模块与所 述电平指示电路的输出端相连接。
[权利要求 2] 根据权利要求 1所述的基于音频信号控制的指示灯系统, 其特征在于
, 所述电平指示电路包括 LED电平指示集成电路。
[权利要求 3] 根据权利要求 1或 2所述的基于音频信号控制的指示灯系统, 其特征在 于, 所述音频信号输入控制模块包括音频信号输入端 Vin、 电容 C2和 可调电阻 W1, 所述音频信号输入端 Vin通过电容 C2连接至所述可调 电阻 W1的一端, 所述可调电阻 W1的另一端接地, 所述可调电阻 W1 的可调端连接至所述电平指示电路的信号输入端。
[权利要求 4] 根据权利要求 1或 2所述的基于音频信号控制的指示灯系统, 其特征在 于, 所述输出模块包括电阻 R6和电容 Cl, 所述电阻 R6的一端和电容 C1的一端均与所述电平指示电路的输出端相连接, 所述电阻 R6的另 一端和电容 C1的另一端接地。
[权利要求 5] 根据权利要求 1或 2所述的基于音频信号控制的指示灯系统, 其特征在 于, 所述电平指示电路的驱动输出端包括第一驱动输出端口, 所述指 示灯模块包括发光二极管 D1和电阻 Rl, 所述电阻 R1的一端连接至电 源端, 所述电阻 R1的另一端连接至发光二极管 D1的阳极, 所述发光 二极管 D 1的阴极连接至所述第一驱动输出端口。
[权利要求 6] 根据权利要求 5所述的基于音频信号控制的指示灯系统, 其特征在于
, 所述电平指示电路的驱动输出端包括第二驱动输出端口, 所述指示 灯模块还包括发光二极管 D2和电阻 R2, 所述电阻 R2的一端连接至电 源端, 所述电阻 R2的另一端连接至发光二极管 D2的阳极, 所述发光 二极管 D2的阴极连接至所述第二驱动输出端口。
[权利要求 7] 根据权利要求 5所述的基于音频信号控制的指示灯系统, 其特征在于 , 所述电平指示电路的驱动输出端包括第三驱动输出端口, 所述指示 灯模块还包括发光二极管 D3和电阻 R3, 所述电阻 R3的一端连接至电 源端, 所述电阻 R3的另一端连接至发光二极管 D3的阳极, 所述发光 二极管 D3的阴极连接至所述第三驱动输出端口。
[权利要求 8] 根据权利要求 5所述的基于音频信号控制的指示灯系统, 其特征在于
, 所述电平指示电路的驱动输出端包括第四驱动输出端口, 所述指示 灯模块还包括发光二极管 D4和电阻 R4, 所述电阻 R4的一端连接至电 源端, 所述电阻 R4的另一端连接至发光二极管 D4的阳极, 所述发光 二极管 D4的阴极连接至所述第四驱动输出端口。
[权利要求 9] 根据权利要求 5所述的基于音频信号控制的指示灯系统, 其特征在于
, 所述电平指示电路的驱动输出端包括第五驱动输出端口, 所述指示 灯模块还包括发光二极管 D5和电阻 R5, 所述电阻 R5的一端连接至电 源端, 所述电阻 R5的另一端连接至发光二极管 D5的阳极, 所述发光 二极管 D5的阴极连接至所述第五驱动输出端口。
[权利要求 10] 根据权利要求 1或 2所述的基于音频信号控制的指示灯系统, 其特征在 于, 所述电平指示电路包括基准电压源、 交流检波放大器和电位器, 所述基准电压源和电位器分别与所述交流检波放大器相连接, 所述交 流检波放大器与所述电平指示电路的驱动输出端相连接。
PCT/CN2017/084436 2016-08-19 2017-05-16 一种基于音频信号控制的指示灯系统 WO2018032822A1 (zh)

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