WO2019075945A1 - 一种led集鱼灯电源输出切换电路 - Google Patents

一种led集鱼灯电源输出切换电路 Download PDF

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Publication number
WO2019075945A1
WO2019075945A1 PCT/CN2018/072275 CN2018072275W WO2019075945A1 WO 2019075945 A1 WO2019075945 A1 WO 2019075945A1 CN 2018072275 W CN2018072275 W CN 2018072275W WO 2019075945 A1 WO2019075945 A1 WO 2019075945A1
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Prior art keywords
control
led
control switch
switch
pin
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PCT/CN2018/072275
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English (en)
French (fr)
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范传玺
赵磊磊
王学荣
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佛山市长晶电子科技有限公司
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Publication of WO2019075945A1 publication Critical patent/WO2019075945A1/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
    • H05B45/34—Voltage stabilisation; Maintaining constant voltage
    • 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
    • H05B45/395—Linear regulators

Definitions

  • the invention belongs to the field of power output control, and in particular relates to an LED fish lamp power output switching circuit.
  • the fish-collecting lamp is a kind of lighting equipment for attracting fish in fishing boats. It is widely used in fishing operations. Different color temperature lights have different attracting effects on different types of fish.
  • Metal halide lamps are a kind of thermal light source.
  • the light source has low utilization rate of light energy and single color, which cannot achieve different types of fish. Effectively attracted, and because the traditional metal halide lamp has too high luminous power, its relative service life is short and it is also very expensive.
  • the LED fish-collecting lamp is an electroluminescence light source that directly converts electric energy into visible light and radiant energy, has good spectral performance, is safe and reliable, and has a long service life.
  • the existing LED light source of the fish set although one lamp is loaded with two different color temperature lamp beads, and two independent power supply modules are separately powered, and two mechanical switches are needed to respectively control the lamp beads of different color temperatures, thereby To achieve the switching of different lights, this LED sets the control mode of the fish lamp.
  • One lamp uses two power supplies and two mechanical switches, which increases the weight of the fishing boat, which causes waste of resources and makes the wiring more complicated.
  • an embodiment of the present invention provides an LED fish light power output switching circuit to solve the problem that one lamp uses two power modules in the prior art to increase the weight of the fishing boat and cause waste of resources.
  • Embodiments of the present invention provide an LED fish light power output switching circuit, the circuit comprising an LED fish light power supply, a control unit, a first driving unit, a second driving unit, a first control switch, and a second control switch, a first LED and a second LED, the first control switch and the first LED form a first series circuit, and the second control switch and the second LED form a second series circuit; the first series circuit And the second series circuit is connected in parallel to the output end of the LED fish light power supply; the control unit outputs a first control signal and a second control signal according to the input signal; the first control signal output pin of the control unit Connected to a control end of the first driving unit, an output end of the first driving unit is connected to a control pin of the first control switch; a second control signal output pin of the control unit is connected to the first The control terminals of the two driving units are connected, the output end of the second driving unit is connected to the control pin of the second control switch, and the first driving unit and the second driving unit output different control letters
  • the technical solution provided by the embodiment of the present invention has the beneficial effects that when the input end of the control unit inputs a high level, the first control signal output pin of the control unit outputs a high level, and the second control signal output pin outputs a low output.
  • the first control switch is off, the first LED does not work, the second driving unit outputs a high level, the second control switch is turned on, and the second LED is turned on, thereby realizing one power module to drive two different color temperature lamps.
  • FIG. 1 is a block diagram showing a module structure of an LED fishing light power output switching circuit according to an embodiment of the present invention
  • FIG. 2 is a circuit diagram of an LED fishing light power output switching circuit according to an embodiment of the present invention.
  • FIG. 3 is a circuit structural diagram of an LED fish lamp power output switching circuit according to an embodiment of the present invention.
  • FIG. 1 is a block diagram showing the structure of an LED fishing light source power output switching circuit according to an embodiment of the present invention. For convenience of description, only parts related to the embodiment of the present invention are shown, which are described in detail below.
  • the LED fish lamp power output switching circuit comprises an LED fish lamp power supply, a control unit, a first driving unit, a second driving unit, a first control switch, a second control switch, a first LED and a second LED, and a first control switch Forming a first series circuit with the first LED, the second control circuit and the second LED forming a second series circuit; the first series circuit and the second series circuit are connected in parallel to the output end of the LED fish light power supply; the control unit outputs according to the input signal a first control signal and a second control signal; the first control signal output pin of the control unit is connected to the control end of the first driving unit, and the output end of the first driving unit is connected to the control pin of the first control switch; The second control signal output pin is connected to the control end of the second driving unit, the output end of the second driving unit is connected to the control pin of the second control switch, and the first driving unit and the second driving unit output different control signal.
  • FIG. 2 is a schematic circuit diagram of a LED fishing light power output switching circuit according to an embodiment of the present invention.
  • the first driving unit includes a third control switch and a first optical coupling, and a control pin and a control unit of the third control switch.
  • the first control signal output pin is connected, the first switch pin of the third control switch is connected to the positive terminal of the input end of the first optocoupler, and the first switch pin of the third control switch is connected to the high level VCC1 by the pull-up resistor Connected, the second switch pin of the third control switch is connected to the negative pole of the input end of the first optocoupler and grounded, and the first output end of the first optocoupler is connected to the control pin of the first control switch, the first optocoupler The first output terminal is connected to the high level VCC2 through a pull-up resistor, and the second output end of the first photocoupler is grounded.
  • the second driving unit includes a fourth control switch and a second optical coupling, the control pin of the fourth control switch is connected to the second control signal output pin of the control unit, and the first switch pin and the second light of the fourth control switch
  • the positive terminal of the coupled input terminal is connected, the first switch pin of the fourth control switch is connected to the high level VCC1 through the pull-up resistor, and the second output pin of the fourth control switch is connected to the negative terminal of the input end of the second optical coupler and grounded
  • the first output end of the second optocoupler is connected to the control pin of the second control switch, the first output end of the second optocoupler is connected to the high level VCC2 through the pull-up resistor, and the second output end of the second optocoupler Ground.
  • the first switch pin of the first control switch is connected to the negative LED 1 -1 of the first LED
  • the first switch pin of the second control switch is connected to the negative LED 2 - of the second LED
  • the positive LED of the first LED and the second LED + Connected to the power supply.
  • FIG. 3 is a block diagram showing an exemplary structure of an LED fishing light source power output switching circuit according to an embodiment of the present invention. For convenience of description, only parts related to the embodiment of the present invention are shown, which are described in detail below.
  • the LED fish lamp power output switching circuit further comprises a signal input circuit for generating an input signal, wherein the signal input circuit comprises an AC power source, a rectifier circuit and a voltage stabilization circuit, and the AC power source is rectified by the rectifier circuit and stabilized by the voltage stabilization circuit After the pressure is generated, a control signal is generated and input to the control unit.
  • the rectifier circuit includes a rectifier diode D1, and the AC power source is rectified by the rectifier diode D1 to rectify the output voltage.
  • the signal input circuit further includes a first filter capacitor C1 for filtering the voltage output by the rectifier circuit.
  • the voltage stabilizing circuit comprises a first voltage dividing resistor R1, a second voltage dividing resistor R2 and a Zener diode Z1.
  • the first voltage dividing resistor R1 and the second voltage dividing resistor R2 are used for dividing the output voltage of the rectifier circuit and outputting The steady voltage is output to the Zener diode Z1.
  • the signal input circuit further includes a switch K1 disposed between the output terminal of the Zener diode Z1 and the control signal input pin 3 of the control unit MCU.
  • Pin 1 of the control unit MCU is grounded through a second filter capacitor and connected to a high level VCC1, and the pin 8 of the control unit MCU is grounded.
  • the first control switch, the second control switch, the third control switch, and the fourth control switch are transistors, the optional first control switch is MOS tube Q3, the second control switch is MOS tube Q4, and the third control switch is MOS tube Q1, the fourth control switch is MOS tube Q2.
  • the output pin 7 of the control unit MCU is connected to the gate of the MOS transistor Q1, the drain of the MOS transistor Q1 is connected to the anode of the input end of the first optocoupler element U1, and is connected to the high level VCC1 through the pull-up resistor R3, the MOS transistor Q1 The source is connected to the negative terminal of the input end of the first optocoupler element U1 and grounded.
  • the anode of the output end of the first optocoupler element U1 is connected to the gate of the MOS transistor Q3 and connected to the high level VCC2 through the pull-up resistor R5.
  • the MOS transistor Q3 The drain is connected to the negative LED 1 -1 of the first LED, and the source of the MOS transistor Q3 is grounded via a resistor R7.
  • the output pin 6 of the control unit MCU is connected to the gate of the MOS transistor Q2, and the drain of the MOS transistor Q2 is connected to the anode of the input terminal of the second optocoupler element U2 and connected to the high level VCC1 through the pull-up resistor R4, the MOS transistor Q2
  • the source is connected to the negative terminal of the input end of the second photocoupler element U2 and grounded.
  • the anode of the output end of the second optocoupler element U2 is connected to the gate of the MOS transistor Q4 and connected to the high level VCC2 through the pull-up resistor R6, and the source pole of the MOS transistor Q4 is connected to the cathode LED2- of the second LED, the MOS transistor Q4 The source is grounded through resistor R7.
  • the positive LED+ of the first LED and the second LED is connected to the power source.
  • LED light source is a switching power supply.
  • the working state of the two LED light collecting lamps is switched by controlling the input signal, and the working principle is as follows:
  • the AC power is rectified by the rectifier diode D1, and is divided by the first voltage dividing resistor R1 and the second voltage dividing resistor R2, and is stabilized by the first filter capacitor C1 and the Zener diode Z1 to generate a stable voltage.
  • the signal is input to the 3 pin of the MCU of the control unit, and the 3 pin of the MCU of the control unit is at a high level, then the output pin 7 is at a high level, the output pin 6 is at a low level, and the gate of the MOS transistor Q1 is at a high level.
  • the MOS transistor Q1 is turned on, the drain of the MOS transistor Q1 is at a low level, and the positive terminal of the input end of the first optocoupler element U1 is at a low level, the first optocoupler element U1 is not turned on, and the gate of the MOS transistor Q3 passes.
  • the pull-up resistor R5 is pulled up to a high level, the MOS transistor Q3 is turned on, the drain of the MOS transistor Q3 is at a low level, and the first LED is turned on, because the output of the first driving unit and the second driving unit are different.
  • MOS transistor Q4 When pin 6 goes high, MOS transistor Q2 is turned on, the positive terminal of the second photocoupler element U2 is at a low level, the second photocoupler element U2 is not turned on, and the gate of the MOS transistor Q4 is pulled through a pull-up resistor.
  • the MOS transistor Q4 When R6 is pulled high, the MOS transistor Q4 is turned on, the drain of the MOS transistor Q4 is at a low level, and the second LED is turned on. Since the gate of the MOS transistor Q3 is at a level, the MOS transistor Q3 is not guided. Pass, the first LED does not work.
  • the power output switching circuit only two driving power sources are needed for the two different color temperature lamp beads, and the switching of the two outputs can be realized by detecting the switch of the AC power input voltage, and one controller and several transistors are used instead of one.
  • the power module saves the cost of the fish lamp power supply, reduces the weight of the fishing boat, reduces the external wiring, and makes the control simpler and more convenient.
  • each functional unit and module in the foregoing system may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit, and the integrated unit may be implemented by hardware.
  • Formal implementation can also be implemented in the form of software functional units.
  • the specific names of the respective functional units and modules are only for the purpose of facilitating mutual differentiation, and are not intended to limit the scope of protection of the present application.

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  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

本方案涉及电源输出控制领域，提供了一种LED集鱼灯电源输出切换电路。所述电源输出切换电路包括：LED集鱼灯电源、控制单元、第一驱动单元、第二驱动单元、第一控制开关、第二控制开关、第一LED和第二LED，其中，第一控制开关与第一LED构成第一串联电路，第二控制开关与第二LED构成第二串联电路；所述第一串联电路和第二串联电路并联于LED集鱼灯电源的输出端，所述控制单元根据控制信号输出第一控制信号和第二控制信号，分别使第一驱动单元和第二驱动单元输出相异的控制信号。本方案通过输出的相异的信号驱动第一控制开关和第二控制开关的导通与断开，实现一个电源模块控制不同色温灯珠的切换，使控制简单便捷，减轻了渔船的重量，节省了成本。

Description

一种LED集鱼灯电源输出切换电路 技术领域
本发明属于电源输出控制领域，尤其涉及一种LED集鱼灯电源输出切换电路。
 背景技术
集鱼灯是一种渔船上吸引鱼群的照明设备，广泛应用于捕鱼作业中，不同的色温的灯光对不同种类的鱼群产生的吸引效果也不同。
传统的光诱渔船中绝大多数采用的是金卤灯作为诱鱼光源，金卤灯是一种热光源，该类光源光能利用率低，光色单一，不能实现对不同种类鱼群的有效吸引，而且由于传统的金卤灯发光功率过高，其相对使用寿命较短，同时也很费电。
后来为了节能发展的LED集鱼灯，是一种场致发光光源，直接将电能转化为可见光和辐射能，光谱性能好，安全可靠，使用寿命长。现有的LED集鱼灯光源，虽然一个灯具装载两种不同的色温的灯珠，同时也需要两个独立的电源模块分别供电，而且需要使用两个机械开关分别控制不同色温的灯珠，从而实现不同灯光的切换，这种LED集鱼灯的控制方式，一个灯具使用两个电源，两个机械开关，增加了渔船的重量，造成了资源的浪费，使接线也更为复杂。
 技术问题
鉴于此，本发明实施例提供一种LED集鱼灯电源输出切换电路，以解决现有技术中一个灯具使用两个电源模块，增加渔船重量，造成资源浪费的问题。
 技术解决方案
本发明实施例提供了一种LED集鱼灯电源输出切换电路，所述电路包括LED集鱼灯电源、控制单元、第一驱动单元、第二驱动单元、第一控制开关、第二控制开关、第一LED和第二LED，所述第一控制开关与所述第一LED构成第一串联电路，所述第二控制开关与所述第二LED构成第二串联电路；所述第一串联电路和所述第二串联电路并联于所述LED集鱼灯电源的输出端；所述控制单元根据输入信号输出第一控制信号和第二控制信号；所述控制单元的第一控制信号输出引脚与所述第一驱动单元的控制端相连，所述第一驱动单元的输出端与所述第一控制开关的控制引脚相连；所述控制单元的第二控制信号输出引脚与所述第二驱动单元的控制端相连，所述第二驱动单元的输出端与所述第二控制开关的控制引脚相连，且所述第一驱动单元和第二驱动单元输出相异的控制信号。
 有益效果
本发明实施例提供的技术方案带来的有益效果是：当控制单元的输入端输入高电平时，控制单元的第一控制信号输出引脚输出高电平，第二控制信号输出引脚输出低电平，第一驱动单元输出高电平，第一控制开关导通，第一LED导通工作，第二控制开关断开，第二LED不工作；当控制单元的输入信号由高电平变为低电平，再由低电平变为高电平，控制单元的第一控制信号输出引脚输出低电平，第二控制信号输出引脚输出高电平，第一驱动单元输出低电平，第一控制开关断开，第一LED不工作，第二驱动单元输出高电平，第二控制开关导通，第二LED导通工作，从而实现了一个电源模块驱动两种不同色温灯珠的切换，控制更加简单便捷，减轻了渔船的重量，减少了外部接线，节省了成本。
 附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本发明实施例提供的LED集鱼灯电源输出切换电路的模块结构图；
图2是本发明实施例提供的LED集鱼灯电源输出切换电路的电路示意图；
图3是本发明实施例提供的LED集鱼灯电源输出切换电路的电路结构图。
 本发明的实施方式
为使本发明的目的、技术方案和优点更加清楚，下面将结合附图对本发明的实施方式作进一步地详细描述。
现在将详细地参考具体实施例，这些实施例的示例在附图中被示出。在下面的详细描述中示出了许多具体细节，以便于提供对各种所描述的实施例的充分理解。但是，对本领域的普通技术人员来讲显而易见的是，各种所描述的实施例可以没有在这些具体细节的情况下被实践。在其他情况下，没有详细地描述众所周知的方法、过程、部件、电路、和网络，从而不会不必要地使实施例的方面晦涩难懂。
图1示出了本发明实施例提供的LED集鱼灯电源输出切换电路的模块结构图，为了便于说明，仅示出了与本发明实施例相关的部分，详述如下。
LED集鱼灯电源输出切换电路包括LED集鱼灯电源、控制单元、第一驱动单元、第二驱动单元、第一控制开关、第二控制开关、第一LED和第二LED，第一控制开关与第一LED构成第一串联电路，第二控制开关与第二LED构成第二串联电路；第一串联电路和第二串联电路并联于LED集鱼灯电源的输出端；控制单元根据输入信号输出第一控制信号和第二控制信号；控制单元的第一控制信号输出引脚与第一驱动单元的控制端相连，第一驱动单元的输出端与第一控制开关的控制引脚相连；控制单元的第二控制信号输出引脚与第二驱动单元的控制端相连，第二驱动单元的输出端与第二控制开关的控制引脚相连，且第一驱动单元和第二驱动单元输出相异的控制信号。
如图2所示为本发明实施例所述LED集鱼灯电源输出切换电路的电路示意图，第一驱动单元包括第三控制开关和第一光耦，第三控制开关的控制引脚与控制单元的第一控制信号输出引脚相连，第三控制开关的第一开关引脚与第一光耦的输入端的正极相连，第三控制开关的第一开关引脚通过上拉电阻与高电平VCC1相连，第三控制开关的第二开关引脚与第一光耦的输入端的负极相连并接地，第一光耦的第一输出端与第一控制开关的控制引脚相连，第一光耦的第一输出端通过上拉电阻与高电平VCC2相连，第一光耦的第二输出端接地。
第二驱动单元包括第四控制开关和第二光耦，第四控制开关的控制引脚与控制单元的第二控制信号输出引脚相连，第四控制开关的第一开关引脚与第二光耦的输入端的正极相连，第四控制开关的第一开关引脚通过上拉电阻与高电平VCC1相连，第四控制开关的第二输出引脚与第二光耦的输入端的负极相连并接地，第二光耦的第一输出端与第二控制开关的控制引脚相连，第二光耦的第一输出端通过上拉电阻与高电平VCC2相连，第二光耦的第二输出端接地。
第一控制开关的第一开关引脚与第一LED的负极LED1-相连，第二控制开关的第一开关引脚与第二LED的负极LED2-相连，第一LED和第二LED的正极LED+与电源相连。
图3示出了本发明实施例提供的LED集鱼灯电源输出切换电路的示例结构图，为了便于说明，仅示出了与本发明实施例相关的部分，详述如下。
本发明实施例提供的LED集鱼灯电源输出切换电路还包括产生输入信号的信号输入电路，信号输入电路包括交流电源、整流电路和稳压电路，交流电源经整流电路整流且经稳压电路稳压后，生成控制信号输入至控制单元。整流电路包括整流二极管D1，交流电源经过整流二极管D1整流输出整流后的电压。信号输入电路还包括第一滤波电容C1，用于对整流电路输出的电压进行滤波。
稳压电路包括第一分压电阻R1、第二分压电阻R2和稳压二极管Z1，第一分压电阻R1和第二分压电阻R2用于对整流电路的输出电压进行分压后，输出至稳压二极管Z1输出稳定电压。
信号输入电路还包括开关K1，开关K1设置于稳压二极管Z1的输出端与控制单元MCU的控制信号输入引脚3之间。
控制单元MCU的引脚1通过第二滤波电容接地，并与高电平VCC1相连，控制单元MCU的引脚8接地。
第一控制开关、第二控制开关、第三控制开关、第四控制开关为晶体管，可选的第一控制开关为MOS管Q3，第二控制开关为MOS管Q4，第三控制开关为MOS管Q1，第四控制开关为MOS管Q2。
控制单元MCU的输出引脚7与MOS管Q1的栅极相连，MOS管Q1的漏极与第一光耦元件U1输入端的正极相连并通过上拉电阻R3与高电平VCC1相连，MOS管Q1的源极与第一光耦元件U1输入端的负极相连并接地，第一光耦元件U1输出端的正极与MOS管Q3的栅极相连并通过上拉电阻R5与高电平VCC2相连，MOS管Q3的漏极与第一LED的负极LED1-相连，MOS管Q3的源极通过电阻R7接地。
控制单元MCU的输出引脚6与MOS管Q2的栅极相连，MOS管Q2的漏极与第二光耦元件U2输入端的正极相连并通过上拉电阻R4与高电平VCC1相连，MOS管Q2的源极与第二光耦元件U2输入端的负极相连并接地。第二光耦元件U2输出端的正极与MOS管Q4的栅极相连并通过上拉电阻R6与高电平VCC2相连，MOS管Q4的源极极与第二LED的负极LED2-相连，MOS管Q4的源极通过电阻R7接地。
第一LED和第二LED的正极LED+与电源相连。
进一步可选的LED集鱼灯电源为开关电源。
按照上述的LED集鱼灯电源输出切换电路，通过控制输入信号切换两路LED集鱼灯的工作状态，其工作原理如下：
闭合开关K1，交流电源经过整流二极管D1整流，且经过第一分压电阻R1、第二分压电阻R2分压，经过第一滤波电容C1滤波和稳压二极管Z1稳压后，生成稳定的电压信号输入至控制单元MCU的3引脚，控制单元MCU的3引脚为高电平，则输出引脚7为高电平，输出引脚6为低电平，MOS管Q1栅极为高电平，则MOS管Q1导通，MOS管Q1的漏极为低电平，第一光耦元件U1的输入端正极为低电平，则第一光耦元件U1不导通，MOS管Q3的栅极通过上拉电阻R5上拉为高电平，则MOS管Q3导通，MOS管Q3的漏极为低电平，第一LED导通工作，由于第一驱动单元与第二驱动单元输出相异的控制信号，那么MOS管Q4的栅极为低电平，MOS管Q4不导通，则第二LED不工作；当关闭K1再打开，使控制单元MCU的输入引脚3由高电平变为低电平，再变为高电平，实现电压一次切换后，控制单元MCU的输出引脚7变为低电平，输出引脚6变为高电平，则MOS管Q2导通，第二光耦元件U2的输入端正极为低电平，第二光耦元件U2不导通，MOS管Q4的栅极通过上拉电阻R6上拉为高电平，则MOS管Q4导通，MOS管Q4的漏极为低电平，第二LED导通工作，由于此时的MOS管Q3的栅极为电平，MOS管Q3不导通，第一LED不工作。
通过上述电源输出切换电路，对于两种不同色温的灯珠，只需要一个驱动电源，通过检测交流电源输入电压的开关就可以实现两路输出的切换，用一个控制器和几个晶体管代替了一个电源模块，节省了集鱼灯电源的成本，减轻了渔船的重量，减少了外部的接线，使控制更加简单便捷.
所属领域的技术人员可以清楚地了解到，为了描述的方便和简洁，仅以上述各功能单元、模块的划分进行举例说明，实际应用中，可以根据需要而将上述功能分配由不同的功能单元、模块完成，即将所述装置的内部结构划分成不同的功能单元或模块，以完成以上描述的全部或者部分功能。实施例中的各功能单元、模块可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中，上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。另外，各功能单元、模块的具体名称也只是为了便于相互区分，并不用于限制本申请的保护范围。上述***中单元、模块的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
以上所述实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明实施例各实施例技术方案的精神和范围。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。

Claims (10)

  1. 一种LED集鱼灯电源输出切换电路，其特征在于，包括：
    LED集鱼灯电源、控制单元、第一驱动单元、第二驱动单元、第一控制开关、第二控制开关、第一LED和第二LED，其中：
    所述第一控制开关与所述第一LED构成第一串联电路，所述第二控制开关与所述第二LED构成第二串联电路；
    所述第一串联电路和所述第二串联电路并联于所述LED集鱼灯电源的输出端；
    所述控制单元根据输入信号输出第一控制信号和第二控制信号；
    所述控制单元的第一控制信号输出引脚与所述第一驱动单元的控制端相连，所述第一驱动单元的输出端与所述第一控制开关的控制引脚相连；
    所述控制单元的第二控制信号输出引脚与所述第二驱动单元的控制端相连，所述第二驱动单元的输出端与所述第二控制开关的控制引脚相连，且所述第一驱动单元和第二驱动单元输出相异的控制信号。
  2. 如权利要求1所述的LED集鱼灯电源输出切换电路，其特征在于，所述第一驱动单元包括第三控制开关和第一光耦，所述第三控制开关的控制引脚与所述控制单元的第一控制信号输出引脚相连，所述第三控制开关的第一开关引脚与所述第一光耦的输入端的正极相连，所述第三控制开关的第一开关引脚通过上拉电阻与高电平相连，所述第三控制开关的第二开关引脚与所述第一光耦的输入端的负极相连并接地，所述第一光耦的第一输出端与第一控制开关的控制引脚相连，所述第一光耦的第一输出端通过上拉电阻与高电平相连，所述第一光耦的第二输出端接地。
  3. 如权利要求1所述的LED集鱼灯电源输出切换电路，其特征在于，所述第二驱动单元包括第四控制开关和第二光耦，所述第四控制开关的控制引脚与所述控制单元的第二控制信号输出引脚相连，所述第四控制开关的第一开关引脚与所述第二光耦的输入端的正极相连，所述第四控制开关的第一开关引脚通过上拉电阻与高电平相连，所述第四控制开关的第二输出引脚与所述第二光耦的输入端的负极相连并接地，所述第二光耦的第一输出端与第二控制开关的控制引脚相连，所述第二光耦的第一输出端通过上拉电阻与高电平相连，所述第二光耦的第二输出端接地。
  4. 如权利要求1所述的LED集鱼灯电源输出切换电路，其特征在于，所述输入信号由信号输入电路产生，所述信号输入电路包括交流电源、整流电路和稳压电路，所述交流电源经整流电路整流且经所述稳压电路稳压后，生成控制信号输入至所述控制单元。
  5. 根据权利要求4所述的LED集鱼灯电源输出切换电路，其特征在于，所述整流电路包括整流二极管，所述交流电源经过整流二极管整流输出整流后的电压。
  6. 根据权利要求4所述的LED集鱼灯电源输出切换电路，其特征在于，所述信号输入电路还包括滤波电容，所述滤波电容用于对整流电路输出的电压进行滤波。
  7. 根据权利要求4所述的LED集鱼灯电源输出切换电路，其特征在于，所述稳压电路包括第一分压电阻、第二分压电阻和稳压二极管，所述第一分压电阻和第二分压电阻用于对整流电路的输出电压进行分压后，输出至稳压二极管输出稳定电压。
  8. 根据权利要求4所述的LED集鱼灯电源输出切换电路，其特征在于，所述信号输入电路还包括开关，所述开关设置于所述稳压二极管的输出端与所述控制单元的控制信号输入端之间。
  9. 如权利要求1、2或3所述的一种LED集鱼灯电源输出切换电路，其特征在于，所述第一控制开关、第二控制开关、第三控制开关、第四控制开关为晶体管。
  10. 如权利要求1所述的一种LED集鱼灯电源输出切换电路，其特征在于，所述LED集鱼灯电源为开关电源。
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