Total-absorption ideal field-of-view diaphragm device suitable for symmetrical optical path solar telescope

A solar telescope, total absorption technology, applied in the direction of installation, optics, optical components, etc., can solve the problem of uneven heat in the optical path, achieve good thermal uniformity of the optical path, good temperature uniformity and temperature stability, and reduce heat Effect

Active Publication Date: 2017-04-26
NANJING INST OF ASTRONOMICAL OPTICS & TECH NAT ASTRONOMICAL OBSE
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at technical problems such as vignetting or stray light entering the effective field of view of traditional large-aperture solar telescopes with symmetrical optical paths, and uneven heat in the optical path, the present invention provides a diaphragm device suitable

Method used

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  • Total-absorption ideal field-of-view diaphragm device suitable for symmetrical optical path solar telescope
  • Total-absorption ideal field-of-view diaphragm device suitable for symmetrical optical path solar telescope
  • Total-absorption ideal field-of-view diaphragm device suitable for symmetrical optical path solar telescope

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Embodiment Construction

[0031] The present invention will be described in further detail below in conjunction with the accompanying drawings and preferred embodiments.

[0032] The structure of this embodiment is as figure 1 As shown, it includes an inner heat-absorbing refrigeration device and an outer heat-absorbing refrigeration device, wherein the inner heat-absorbing refrigeration device specifically includes a reflective diaphragm liquid inlet channel 1, a reflective diaphragm liquid outlet channel 2, a diaphragm bracket 5, a flow guide The cover 6 and the reflection light bar 7;

[0033] The specific structure of the inner heat-absorbing refrigeration device is as follows: Figure 4 , Figure 5 As shown, the aperture a51 is provided in the aperture bracket 5, and one end of the reflective aperture liquid inlet channel 1 is inserted into the through hole a51 in the aperture bracket 5; The cavity between it and the diaphragm bracket 5 forms a liquid inlet chamber 61, and the nozzle 6 is distr...

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PUM

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Abstract

The invention discloses a total-absorption ideal field-of-view diaphragm device suitable for a symmetrical optical path solar telescope. The total-absorption ideal field-of-view diaphragm device aims to realize segmented total absorption of field-of-view optical energy within a limited space, and overcomes the adverse factors on image quality such as stray light and vignetting. The total-absorption ideal field-of-view diaphragm device specifically comprises an inner layer heat-absorbing and refrigerating device and an outer layer heat-absorbing and refrigerating device, wherein the inner layer heat-absorbing and refrigerating device specifically comprises a reflection diaphragm liquid inlet channel 1, a reflection diaphragm liquid outlet channel 2, a diaphragm bracket 5, a flow guide cover 6 and a reflection diaphragm 7; and the outer layer heat-absorbing and refrigerating device specifically comprises a light-eliminating cylinder liquid inlet channel 3, a light-eliminating cylinder liquid outlet channel 4 and a light-eliminating cylinder. By adopting the technical scheme provided by the invention, the total-absorption ideal field-of-view diaphragm device can achieve the advantages that the subsequent focal plane has no vignetting, no stray light entes the effective field of view, the thermal uniformity of the optical path is good and the like.

Description

technical field [0001] The invention relates to the field of solar telescope thermal field of view diaphragm structure design, in particular to an ideal thermal field of view diaphragm device suitable for segmental full absorption without stray light and vignetting for large-aperture symmetrical optical path solar telescopes. Background technique [0002] As a normal main sequence star in the universe, the evolution and development of the sun is not much different from other similar stars. However, from the perspective of the relationship between the earth and the sun, the periodic changes in solar activity and sudden solar activity will have a greater impact on the earth and other planets in the solar system, and then have a decisive impact on the evolution of the earth's surface ecosystem Impact. In order to carry out early warning and forecast of solar activity so as to avoid the influence of "disastrous space weather" on human activities to the greatest extent, it is ne...

Claims

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Application Information

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IPC IPC(8): G02B7/00
CPCG02B7/00G02B7/008
Inventor 顾伯忠朱冉姜翔
Owner NANJING INST OF ASTRONOMICAL OPTICS & TECH NAT ASTRONOMICAL OBSE
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