High-sensitivity infrared detection system based on loss inhibition

An infrared detection and loss suppression technology, applied in the electronic field, can solve the problems of inaccurate detection results and high sensitivity, and achieve the effects of fast detection speed, high receiving sensitivity and stable driving

Inactive Publication Date: 2015-10-07
CHENGDU JIESHENG 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 defects of high sensitivity and inaccurate detection results of the current infrared detection system, and provide a high-sensitivity infrared detection system based on loss suppression

Method used

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  • High-sensitivity infrared detection system based on loss inhibition
  • High-sensitivity infrared detection system based on loss inhibition
  • High-sensitivity infrared detection system based on loss inhibition

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Experimental program
Comparison scheme
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Embodiment

[0022] like figure 1 Shown, the present invention is by sensor U, the linear drive circuit that is connected with sensor U, the power supply circuit that is all connected with linear drive circuit and two-stage low-pass filter amplifying circuit, the comparison that is connected with two-stage low-pass filter amplifying circuit circuit, a conversion circuit connected to the comparison circuit and the power supply circuit, and a loss suppression circuit arranged between the two-stage low-pass filter amplifier circuit and the comparison circuit.

[0023] The loss suppression circuit as described in image 3 As shown, by the suppression chip U2, transistor Q7, transistor Q8, transistor Q9, resistor R18, resistor R19, resistor R20, resistor R21, resistor R22, resistor R23, resistor R24, resistor R25, resistor R26, resistor R27 resistor R28, resistor R29, resistor R30, diode D5, diode D6, diode D7, diode D8, diode D9, diode D10, polar capacitor C12, polar capacitor C13, polar capa...

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Abstract

The invention discloses a high-sensitivity infrared detection system based on linear driving. The high-sensitivity infrared detection system based on linear driving is characterized by being composed of a sensor U, a linear driving circuit connected with the sensor U, a power circuit connected with the linear driving circuit, a two-stage low-pass filter and amplification circuit connected with the linear driving circuit, a comparison circuit connected with the two-stage low-pass filter and amplification circuit, and a conversion circuit connected with the comparison circuit and the power circuit, and the linear driving circuit is composed of a driving chip U1, a triode Q3, a triode Q4, a triode Q5, a triode Q6 and the like. According to the high-sensitivity infrared detection system based on linear driving, due to the fact that the linear driving circuit is arranged, the detection system can be driven stably.

Description

technical field [0001] The invention relates to the field of electronics, in particular to a high-sensitivity infrared detection system based on loss suppression. Background technique [0002] Due to the unique advantages of infrared detection technology, it has been widely researched and applied in military, national defense and civilian fields. The application will be more extensive and the status will be more important. [0003] Infrared detectors are energy converters that convert invisible infrared radiation energy into other energy forms that are easy to measure. At present, infrared detection has been widely used in people's lives. For example, infrared thermometers commonly used by people use infrared detection technology. People bring great benefits. However, the sensitivity of the currently used infrared detection system is not high and the detection results are inaccurate, which easily causes people to misjudge. Contents of the invention [0004] The purpose ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01J5/14
Inventor 雷明方
Owner CHENGDU JIESHENG TECH CO LTD
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