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High-stability miniaturized infrared thermal imager field of view switching mechanism

An infrared thermal imager and field of view switching technology, which is applied in TV, color TV, image communication, etc., can solve the problems of slow field of view switching speed, difficult precision adjustment, and large space occupation, achieving high repeatability of the viewing axis, The effect of high adjustment precision and guaranteed stability

Inactive Publication Date: 2018-06-29
LUOYANG INST OF ELECTRO OPTICAL EQUIP OF AVIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional mechanism of switching the field of view by cutting in and out of the mirror group has problems such as large space occupation, slow switching speed of the field of view, difficult precision adjustment, and poor stability of the field of view switching.

Method used

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  • High-stability miniaturized infrared thermal imager field of view switching mechanism

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Embodiment Construction

[0037] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0038] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation indicated by rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than ...

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Abstract

The invention provides a high-stability miniaturized infrared thermal imager field of view switching mechanism. The high-stability miniaturized infrared thermal imager field of view switching mechanism comprises an infrared base, a field of view mirror frame, a field lens group, a cut-out separation blade, a light rod bracket, a driven slot, a motor guide rod, a motor, a light rod, a light rod fastening pin, a bearing fastening pin, a light rod bearing, a vertical gasket, a limiting screw, an adsorption screw, a slot bearing, a horizontal gasket, an adsorption magnet, a limiting block, a motorpin and a flat key. According to the field of view switching mechanism provided by the invention, the motor drives the field of view mirror frame to rotate along the light rod for field of view switching. A plurality of groups of switching mechanisms are arranged in one x-ray machine system to realize switching among a plurality of fields of view. Through the vertical gasket, the horizontal gasket, the limiting screw and the limiting block, rapid high-precision adjustment of the switching mechanism is realized. High stability of the switching mechanism is ensured through the light rod fastening pin, the bearing fastening pin, the adsorption screw and the adsorption magnet. The problems of large occupied space, low positioning precision, low stability, difficulty in adjusting precision, incapability of separately adjusting the precisions of a plurality of fields of view and the like in a conventional field of view switching mechanism are solved.

Description

technical field [0001] The invention relates to a field-of-view switching mechanism of an infrared thermal imager, specifically a field-of-view switching mechanism of a miniaturized infrared thermal imager with high stability, and is especially suitable for all kinds of infrared thermal images whose field of view is switched by switching mirror groups. Instrument or TV, low light and other optical systems. Background technique [0002] Optoelectronic devices such as infrared thermal imaging cameras are more and more widely used in life and work, and optoelectronic devices that realize switching between multiple fields of view by cutting in and out of mirror groups account for a large proportion. The traditional mechanism of switching the field of view by cutting in and out of the lens group has problems such as large space occupation, slow switching speed of the field of view, difficult precision adjustment, and poor stability of the field of view switching. Contents of th...

Claims

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Application Information

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IPC IPC(8): H04N5/232
CPCH04N23/69
Inventor 段文东许泽帅万敏潘晓东
Owner LUOYANG INST OF ELECTRO OPTICAL EQUIP OF AVIC
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