Field of view switch position adsorption device and infrared thermal imager

A field of view switching and adsorption device technology, applied in the field of infrared thermal imaging, can solve the problems of structural fatigue, large impact force, large imaging jitter in the field of view, etc., achieve reliable and stable adsorption, reduce jitter, and enhance controllability Effect

Active Publication Date: 2018-04-27
LUOYANG INST OF ELECTRO OPTICAL EQUIP OF AVIC
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  • Claims
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Problems solved by technology

[0005] The purpose of the present invention is to provide a field of view switching in-position adsorption device to solve the technical problems in the prior art that the large impact force of the field of view switching easily leads to structural fatigue and the large amount of imaging jitter in the field of view

Method used

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  • Field of view switch position adsorption device and infrared thermal imager
  • Field of view switch position adsorption device and infrared thermal imager
  • Field of view switch position adsorption device and infrared thermal imager

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Embodiment Construction

[0028] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0029] Specific embodiments of the field of view switch to position adsorption device of the present invention, such as image 3 The field of view switching position adsorption device of the present invention shown in -10, the device includes a field of view frame 1, a mounting bracket 2, a limiting structure and an adsorption structure are arranged between the field of view frame 1 and the mounting bracket 2, and the limiting structure It is a gas spring structure, and the adsorption structure is an electromagnet adsorption block structure; the gas spring structure includes an air compression rod 11 and a compression rod sleeve 12, and the electromagnet adsorption block structure includes an electromagnet mounting seat 9 and an adsorption block mounting seat 8. An electromagnet 92 is fixed on the iron mount 9, and the bottom is provided with ...

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Abstract

The invention relates to an adsorption device for switching the field of view in place and an infrared thermal imager. The adsorption device for switching the field of view in place includes a field of view frame and a mounting bracket. A limiting mechanism is arranged between the field of view frame and the mounting bracket. The limiting mechanism It is a gas spring structure. The gas spring structure includes an air compression rod and a compression rod sleeve. One of the air compression rod and the compression rod sleeve is fixed on the field of view frame, and the other is fixed on the mounting bracket. When the air compression rod slides in After compressing the rod sleeve, the field of view is in place. The invention improves the collision limit structure in the prior art into an air spring structure. When the field of view cuts in, the air compression rod slides into the compression rod sleeve, and the air in the compression rod sleeve decelerates and buffers the compression rod; at the same time, the compression rod The rod and the sleeve cooperate to limit the horizontal and vertical directions of the field of view switching axis, which reduces the imaging shake of the infrared thermal imager.

Description

technical field [0001] The invention relates to an adsorption device for switching a field of view in place and an infrared thermal imager, belonging to the technical field of infrared thermal imaging. Background technique [0002] Infrared thermal imaging technology usually requires the infrared optical system to be able to simultaneously provide high-magnification small-field images, low-magnification medium-field images, and low-magnification large-field images to complete the pod control system’s search for targets, Aiming and tracking functions. [0003] At present, when the large, medium and small fields of view of the infrared thermal imager are switched, the field of view is in place, and the adsorption and release functions adopt the device of magnet adsorption after metal hard contact, as shown in the figure attached figure 1 , 2 The field of view switch in place adsorption device shown in the prior art includes a field of view frame 1 and a mounting bracket 2, t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01J5/02
Inventor 李伟伟吴健伟潘晓东安世甫任晓瑶
Owner LUOYANG INST OF ELECTRO OPTICAL EQUIP OF AVIC
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