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Lawn lamp control circuit with three ports for control

A technology for controlling circuits and lawn lamps, which is applied in the layout of electric lamp circuits, electric light sources, lighting devices, etc., can solve the problems of complicated circuits and increase production costs, and achieve the effect of simplifying layout and wiring, reducing power supply ports, and reducing costs.

Active Publication Date: 2015-06-03
SUZHOU ZHIPU XINLIAN ELECTRONICS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the above solution is adopted, in order to enable the control circuit itself to work normally, it is necessary to use an additional BAT port to supply power to the control circuit itself, that is, the electric energy generated after converting solar energy or wind energy cannot always be used to supply power to the control circuit itself; in addition , using the lawn lamp control circuit with the above four ports will lead to more complicated circuits and increase its production cost

Method used

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  • Lawn lamp control circuit with three ports for control
  • Lawn lamp control circuit with three ports for control
  • Lawn lamp control circuit with three ports for control

Examples

Experimental program
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Embodiment approach

[0022] The inventive concept of the lawn lamp control circuit controlled by the three terminals of the present invention is as follows: figure 1 As shown, the traditional lawn lamp control circuit generally has four ports: SBAT, BAT, LX and GND, wherein, the SBAT port (that is, the power interface referred to in the present invention) is connected to the positive electrode of the solar panel 100; The BAT port is connected to the positive electrode of the rechargeable battery 141 ; the LX port (that is, the external output terminal in the present invention) is connected to the positive electrode of the LED lamp 143 ; the GND port is connected to the rechargeable battery 141 and the LED lamp 143 . negative electrode. However, using the traditional solar lawn light control circuit requires four ports to ensure the normal operation of the control circuit, and its production cost is relatively high. In order to overcome the above-mentioned defects of the traditional lawn lamp cont...

no. 1 example

[0023] [First Embodiment] figure 2 It is a schematic diagram of the overall structure of the lawn lamp control circuit controlled by the three terminals of the present invention; image 3 for figure 2 The schematic diagram of the lawn lamp control circuit controlled by three terminals is shown; in order to objectively and concretely explain the principle of the lawn lamp control circuit controlled by the three terminals of the present invention, figure 2 and image 3 In addition to the lawn lamp control circuit controlled by three terminals, it also includes: a solar panel 200 , a rechargeable battery 251 , an inductor 252 and an LED lamp 253 . To be clear, figure 2 and image 3 The circuit shown in is merely an example and is not intended to limit the scope of the claims. For example, the solar panel 200 connected to the lawn lamp control circuit controlled by the three terminals of the present invention can be replaced by other power supply devices such as wind powe...

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Abstract

The invention discloses a lawn lamp control circuit with three ports for control. The control circuit comprises a charging circuit, a light-operated circuit, a boosted circuit and an output feedback power supply circuit. The output feedback power supply circuit is used for achieving the purpose that stable currents are supplied for elements of the control circuit through electric energy generated after solar energy or wind energy is converted all the time under any state, and other external power sources are not needed for supplying power. In addition, after the output feedback power supply circuit is used for supplying power for the control circuit, one power supply port is eliminated, and therefore locating and wiring of the control circuit are simplified, and system cost is lowered.

Description

technical field [0001] The invention relates to a lawn lamp control circuit, in particular to a lawn lamp control circuit controlled by three terminals. Background technique [0002] The lawn lamp is a green and environmentally friendly lighting fixture that integrates energy saving, environmental protection and decorative lighting. It can power itself by converting solar energy, wind energy, etc. into electrical energy. The following is an introduction to solar lawn lights as an example. Solar lawn lights are usually composed of solar panels, LED lights, rechargeable batteries, control circuits and lamps. When working, the solar energy can be converted into electric energy and stored in the rechargeable battery during the day, and the rechargeable battery will automatically light the LED light through the control circuit at night. Due to the use of LED light sources, compared with traditional light sources, the lifespan of LEDs can reach 100,000 hours. Solar lawn lights h...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05B37/02
Inventor 杨全陈畅陈瑶
Owner SUZHOU ZHIPU XINLIAN ELECTRONICS TECH
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