Standby circuits for lighting equipment and working circuits for lighting equipment
A technology for lighting equipment and standby circuits, applied in lighting devices, electric lamp circuit layout, electric light sources, etc., can solve the problem of high energy consumption of standby circuits
Active Publication Date: 2016-10-05
SUZHOU CHI TEK INFORMATION TECH CO LTD
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- Description
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- Application Information
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Problems solved by technology
[0009] To sum up, the existing standby circuit has high energy consumption, and other types of circuits are also used to realize the standby function
Method used
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Embodiment Construction
[0070] The present invention will be described in further detail below through specific implementation examples and in conjunction with the accompanying drawings. Embodiment 1 of the present invention provides the first standby circuit of lighting equipment, such as Figure 4 As shown, it includes: an electronic chip with a fixed OFF time, a switching transistor, an inductor L101, a resistor R106, a capacitor C104, and a diode D102; the VDD pin of the electronic chip is electrically connected to the switching transistor, and when the voltage at the input terminal of the electronic chip exceeds the preset When the starting voltage is turned on, the switching transistor is controlled by the OUT pin; the output terminal of the full bridge rectifier circuit, the switching transistor, the resistor R106, the inductor L101 and the input terminal of the wireless transceiver module are connected in series; the negative pole of the diode D102, the inductor L101, the capacitor C104 and th...
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The invention relates to the field of electrical automation, in particular to a standby circuit of lighting equipment. The standby circuit of the lighting equipment, when the voltage detected by the electronic chip exceeds the start-up voltage, controls the switching transistor to close, and then makes other electrical components work, and the electronic chip starts and gives a signal through the out pin to control the switching of the switching transistor , so that the switching transistor is turned on. When the switching transistor is turned on, the rectified voltage is sent to the capacitor C104, and energy is stored in L101. When the switching transistor is turned off, due to the freewheeling effect of L101, D102 is forward-conducting , the current forms a loop in D102, L101, and C104, and the energy stored in L101 is sent to C104, which realizes energy transmission in the form of switching power supply. Therefore, the transmission efficiency is much higher than that of linear step-down, three-stage tube constant flow, etc., thereby solving the problems of high power consumption and low efficiency in the prior art.
Description
technical field [0001] The invention relates to the field of electrical automation, in particular to a standby circuit of lighting equipment and a working circuit of lighting equipment. Background technique [0002] With the development of electric energy, the development of electrical automation technology is also becoming more and more rapid. Among them, the role of lighting equipment in production and life is becoming more and more significant. [0003] Lighting equipment brings great convenience to people's production and life. In normal production and life, lighting equipment is indispensable. With the innovation of technology, LED technology, as the third-generation lighting technology, has been accepted by people and is rapidly entering the field of industrial, commercial and home lighting, relying on the advantages of high efficiency, power saving, environmental protection, and long life. As a part of smart home, LED smart lighting products can adjust the brightness...
Claims
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IPC IPC(8): H05B37/02
Inventor 陈湛胡晓星
Owner SUZHOU CHI TEK INFORMATION TECH CO LTD