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A Simple DC Optical Delay Control Circuit

A simple and simple technology for time delay control, applied in electrical components, electronic switches, pulse technology, etc., can solve the problems of complex circuit structure and many components, and achieve the effect of simple and easy-to-implement control circuit structure

Active Publication Date: 2015-09-09
江苏德厚机电有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, there are many design schemes for circuits that use light control. There are few delay control circuits for light control. Some can be controlled but the circuit structure is complex and there are many components.

Method used

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  • A Simple DC Optical Delay Control Circuit

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Experimental program
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Effect test

Embodiment Construction

[0009] The present invention will be further described below in conjunction with the accompanying drawings.

[0010] Such as figure 1 Shown is a simple circuit of DC light control delay control. Including light control branch, delay branch, relay control load branch. The light control branch is composed of a diode D1, an adjusting resistor R1, and a photosensitive element RG; D1 rectifies and adjusts the resistance of R1 to adjust the voltage across R3. The delay branch is composed of a diode D2, a charging resistor R2, a charging capacitor C1, and a discharging resistor R3; an integral circuit is formed by a charging resistor R2 and a capacitor C1; the resistance value of the charging resistor R2 and the capacitance of the capacitor C1 can be adjusted, thereby Adjust the charging time; the charging time is the delay time. The instantaneous discharge branch is composed of a diode D2 and a discharge resistor R3; the discharge time can be adjusted by adjusting the resistance ...

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PUM

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Abstract

The invention discloses a simple direct-current light-operated delay control circuit which comprises a light-operated branch, a delay branch and a relay control load branch. The light-operated branch comprises a diode D1, an adjusting resistor R1 and a photosensitive component RG. The delay branch comprises a diode D2, a charging resistor R2, a charging capacitor C1 and a discharge resistor R3. The relay control load branch comprises a transistor Q, a relay K, a diode D3, a thermistor R4 and loads. The adjusting resistor R1 is used for separating voltage, delay time of the circuit is adjusted by distributing resistance of the charging resistor R2 and the discharge resistor R3 and capacitance of the charging capacitor C1, light features of the photosensitive component RG are utilized to allow a relay coils to be attracted or separated, and the loads are controlled through on and off of contacts of a relay. The simple direct-current light-operated delay control circuit is simple in structure and easy to implement.

Description

technical field [0001] The invention relates to a simple circuit for direct current light control delay control. Background technique [0002] At present, there are many design schemes for circuits using light control, and there are few delay control circuits for light control, and some can be controlled but have complex circuit structures and many components. [0003] Therefore, a new technical solution is needed to solve the above problems. Contents of the invention [0004] In order to overcome the deficiencies in the prior art, the present invention provides a simple circuit for direct current light-controlled delay control. The circuit has a simple structure and is easy to implement. The delay time is controlled by adjusting the resistance value and the capacitance value. [0005] In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: [0006] A simple circuit for direct current light control d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H03K17/78H03K17/28
Inventor 李新立王甲凯
Owner 江苏德厚机电有限公司