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Low-pass filtering treatment-based light-control lamp signal anti-interference type processing system

A low-pass filter processing and processing system technology, which is applied in the field of light-controlled light signal anti-interference processing system, can solve problems such as inaccurate brightness signal processing, and achieve the effects of ensuring accuracy, maintaining stable static points, and accurate output signals

Inactive Publication Date: 2018-02-23
CHENGDU SAIPUQI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the defect that the signal processing system of the light-controlled LED control system in the prior art is susceptible to external electromagnetic wave interference and inaccurately process the brightness signal, and to provide a light-controlled light based on low-pass filter processing. Signal anti-interference processing system

Method used

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  • Low-pass filtering treatment-based light-control lamp signal anti-interference type processing system
  • Low-pass filtering treatment-based light-control lamp signal anti-interference type processing system
  • Low-pass filtering treatment-based light-control lamp signal anti-interference type processing system

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Embodiment

[0023] Such as figure 1 As shown, the present invention is mainly composed of the processing chip U, the triode VT1, the signal bias correction circuit between the FDBK pin of the processing chip U and the collector of the triode VT1 connected in series, and the N pole is connected with the FDBK pin of the processing chip U , Diode D2 that connects the P pole to the COM pin of the processing chip U after passing through the resistor R6, connects the P pole to the VNEG pin of the processing chip U through the resistor R7, and connects the N pole to the base of the transistor VT1 D3, the low-pass filter circuit connected to the GNEG pin of the processing chip U, the differential amplifier circuit connected in series between the low-pass filter circuit and the VINP pin of the processing chip U, and the emitter of the transistor VT1 and the processing chip respectively It is composed of a signal transmission conditioning circuit connected to U, and an anti-electromagnetic interfer...

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Abstract

The invention discloses a low-pass filtering treatment-based light-control lamp signal anti-interference type processing system. The processing system is characterized by mainly comprising a processing chip U, a diode D3, a low-pass filtering circuit, a differential amplification circuit, a signal bias correction circuit, a signal transmitting and conditioning circuit, an anti-electromagnetic waveinterference circuit and the like, wherein the signal transmitting and conditioning circuit is connected with the emitting electrode of a triode VT1 and the processing chip U separately. By adoptionof the processing system, the harmonics generated by the input signal caused by external interference electric waves can be eliminated or restrained; in addition, the bandwidth of an output signal canbe adjusted, so that the output signal can be consistent to an input collection signal so as to ensure signal processing accuracy of the processing system; and in addition, control accuracy of a light-control LED control system on opening and closing of an LED lamp is effectively ensured.

Description

technical field [0001] The present invention relates to a signal processing system, specifically, an anti-interference processing system for light control lamp signals based on low-pass filter processing. Background technique [0002] At present, due to the characteristics of low energy consumption, long service life, safety and environmental protection, LED lamps have become one of the mainstream products for people's living lighting. In life, people often use voice control or light control control system to realize the opening and closing of LED lights. The light-controlled LED control system is favored by people because it can control the opening and closing of LED lights according to the brightness of the LED light environment, and can effectively meet people's requirements for LED lights in terms of energy saving. However, the signal processing system of the existing light-controlled LED control system is susceptible to external electromagnetic wave interference and in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B33/08G08C23/04H04B15/00H05B44/00
CPCH04B15/00G08C23/04H05B45/00
Inventor 余泓德
Owner CHENGDU SAIPUQI TECH CO LTD
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