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Thermoelectric refrigeration imaging system having isolation and heat-radiation structures and application thereof

An imaging system, thermoelectric refrigeration technology, applied in the direction of electric radiation detectors, etc., can solve the problems of low reliability, large cooling capacity, complex structure, etc., and achieve the effect of simple and compact product structure and reliable heat dissipation performance

Active Publication Date: 2017-03-15
KUNMING INST OF PHYSICS
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, cooling infrared focal plane thermal imaging mainly adopts Dewar bottle / quick start throttling refrigerator and Dewar bottle / Stirling cycle refrigerator. The advantages are large cooling capacity and low cooling temperature, and the disadvantages are large vibration and reliability. Low reliability, relatively complex structure, high cost and short service life

Method used

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  • Thermoelectric refrigeration imaging system having isolation and heat-radiation structures and application thereof
  • Thermoelectric refrigeration imaging system having isolation and heat-radiation structures and application thereof
  • Thermoelectric refrigeration imaging system having isolation and heat-radiation structures and application thereof

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Embodiment 1

[0027] Such as Figure 1 ~ Figure 4 As shown, the thermoelectric cooling imaging system with an isolation and heat dissipation structure includes: a bracket 1, a radiator group 2, a power board 3, a cover 4, a lens holder 6, a lens 7, a flexible board 8, a rectangular electrical connector 9, Connecting seat 10, support plate 11, preprocessing circuit board 12, main processing circuit board 13, stud 14, screw rod 15, rear cover 16, waveguide ventilation window 17, input and output socket 18, fan 19, heat dissipation connection block 20 , Radiator 21, first bushing 22, second bushing 23, connecting plate 24, detector 25, Phillips countersunk head screw 26, cylindrical pin 28.

[0028] The thermoelectric cooling imaging system is mainly composed of the front cavity group I and the rear cavity group II; the thermoelectric cooling imaging photoelectric system is designed to be isolated, the optical lens 7 and the thermoelectric cooling detector 25 are set in the front cavity group ...

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Abstract

The invention discloses a thermoelectric refrigeration imaging system having isolation and heat-radiation structures and application thereof. The thermoelectric refrigeration imaging system comprises a front cavity group and a rear cavity group, wherein the front cavity group and the rear cavity group are sealed independently. The front cavity group is characterized in that a connecting seat (10) is fixedly connected to a lens seat (6); a probe (25) and a lens (7) are arranged on the lens seat (6); and the probe (25) is arranged at the rear side of the lens (7). The rear cavity group is characterized in that a power panel (3) is connected to the upper end surface of a support (1); a main processing circuit board (13) is arranged at the lower end surface of the support (1); a pretreatment circuit board (12) is arranged at the lower end of a main processing circuit (13); a protection cover (4) is arranged at the upper end of the thermoelectric refrigeration imaging system; an air-out groove is formed in one side of the protection cover (4) and an air-in groove is formed in a rear cover (16); and waveguide ventilating windows (17) are arranged in the air-in groove of the rear cover (16) and the air-out groove of the protection cover (4). The thermoelectric refrigeration imaging system have advantages of simple structure, reliable heat-radiation performance, and convenient target searching and is capable of realizing forced air-cooling heat radiation with the power larger than or equal to 35W.

Description

technical field [0001] The invention relates to the technical field of thermoelectric cooling infrared focal plane thermal imaging cameras, in particular to a thermoelectric cooling imaging system with an isolation and heat dissipation structure and its application. Background technique [0002] Infrared thermal imaging is a new type of photoelectric detection equipment. In military and civilian applications, it is used to perform tasks such as infrared observation, search, tracking, fire control, guidance, aiming, reconnaissance, non-destructive testing, industrial multispectral imaging analysis, resource remote sensing and medical treatment. The detector component is the core of the infrared system, and it is the key component for detecting, identifying and analyzing the infrared information of objects. In the field of high-end military equipment, many infrared thermal imaging uses cooling detectors. The principle is to form a suitable low temperature and constant temperat...

Claims

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Application Information

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IPC IPC(8): G01J5/12
CPCG01J5/12
Inventor 阮俊龙杨帆李婕阮俊峰赵银军阮长明王敏
Owner KUNMING INST OF PHYSICS
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