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Adaptive lamplight brightness regulator

A regulator and self-adaptive technology, applied in the direction of light source, electric light source, electric lamp circuit layout, etc., can solve the problem of energy waste, and achieve the effect of energy saving, simple circuit structure and easy realization

Inactive Publication Date: 2015-12-09
CHENGDU HONGSHAN TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As soon as you enter the classroom or office in the morning, you habitually turn on the lights, but as the light becomes stronger, the lights are still on, resulting in a waste of energy

Method used

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  • Adaptive lamplight brightness regulator

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Such as figure 1 The shown adaptive light brightness regulator includes a lamp L and a bridge rectifier circuit connected to the lamp L, and the output terminals of the bridge rectifier circuit are respectively connected to the A terminal and the K terminal of the thyristor VS , the A terminal of the thyristor VS is connected to the drain of the transistor T through the first resistor R1, and the drain and the gate of the transistor T are connected in series with the second resistor R2 and the photoresistor R3 , the K end of the thyristor VS is connected to the source of the transistor T through the fourth resistor R4, the G end of the thyristor VS is connected to the source of the transistor T, and the gate of the transistor T The pole is connected to the common terminal of the fourth resistor R4 and the thyristor VS through the capacitor C.

[0017] Such as figure 1 As shown, the bridge rectifier circuit is composed of diodes D1-D4, and the lamp is connected to the ...

Embodiment 2

[0019] Such as figure 1 In the shown adaptive light brightness adjuster, this embodiment is optimized on the basis of the above embodiments, that is, the resistance of the fourth resistor R4 is less than 1,000 ohms. The function of the fourth resistor is mainly to send the trigger pulse to the G terminal of the transistor to trigger the conduction of the thyristor. Its resistance value is not easy to be too large.

[0020] Choose photoresistor R3 as GL5616. The photoresistor is a very important factor of the automatic light regulator, and its performance is directly related to the sensitivity of the automatic light regulator to light. GL5616, with its high sensitivity and high spectral response, can effectively improve the sensitivity of the entire automatic light regulator.

[0021] The capacitance of the capacitor C is 0.02 μF.

[0022] The silicon controlled rectifier VS adopts 3CT1A. The thyristor VS is also a very important factor of the automatic light regulator, its...

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Abstract

An adaptive lamplight brightness regulator disclosed by the present invention comprises a lamp and a bridge rectifier circuit connected with the lamp, the output end of the bridge rectifier circuit is connected with the A-end and the K-end of a silicon controlled rectifier separately, and the A-end of the silicon controlled rectifier is connected with the drain of a transistor via a first resistor. A second resistor and a photoresistor which are connected in series are connected between the source and the grid of the transistor, the K-end of the silicon controlled rectifier is connected with the source of the transistor via a fourth resistor, the G-end of the silicon controlled rectifier is connected with the source of the transistor, and the grid of the transistor is connected with the common end of the fourth resistor and the silicon controlled rectifier via a capacitor. The adaptive lamplight brightness regulator is simple in circuit structure, can regulate the brightness of the lamp according to the light ray intensity, and saves the energy.

Description

technical field [0001] The invention relates to the field of light control devices, in particular to an adaptive light brightness adjuster. Background technique [0002] Lamp is one of necessities in people's daily life. In classrooms and offices, incandescent lamps, energy-saving lamps, etc. are mostly used, and switches are used to control the lamps. As soon as you enter the classroom or office in the morning, you habitually turn on the lights, but as the light gets stronger, the lights are still on, resulting in a waste of energy. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide an adaptive light brightness adjuster, which has a simple circuit structure and can adjust the brightness of the light according to the intensity of the light to save energy. [0004] The technical solution adopted by the present invention to solve the above problems is: [0005] An adaptive light brightness adjuster, comprising a lam...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B37/02
Inventor 张远香
Owner CHENGDU HONGSHAN TECH