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CN-224216563-U - Satellite-borne microscopic observation equipment

CN224216563UCN 224216563 UCN224216563 UCN 224216563UCN-224216563-U

Abstract

The utility model provides satellite-borne microscopic observation equipment, which comprises a shell and a microscopic observation unit arranged in the shell, wherein the microscopic observation unit comprises a microscope, the microscope is vertically arranged and comprises a sight glass, a lens cone and an objective lens, a sample object stage is arranged under the objective lens, and a microfluidic biochip is arranged on the sample object stage. According to the utility model, after the biological sample is fixed on the observation table of the microscope, the biological sample can be refrigerated before reaching the space station, and the biological sample can be heated after reaching the space station, so that microgravity observation of the biological sample is realized.

Inventors

  • SHI BO
  • WANG JUN

Assignees

  • 北京迦迦林太空技术中心

Dates

Publication Date
20260508
Application Date
20250522

Claims (9)

  1. 1. The utility model provides a satellite-borne microscopic observation equipment, includes casing (1) and sets up microscopic observation unit (2) inside casing (1), microscopic observation unit (2) include microscope (3), the microscope sets up perpendicularly, and the lens cone (32) of package expansion upper portion (31), middle part and objective (33) of lower part, objective (33) lower part is provided with sample objective table (34), fixed microfluidic biochip (35) of having placed on sample objective table (34), characterized by: the lens of the objective lens (33) is made of toughened glass and is used for bearing large overload vibration and impact during rocket launching; the microscopic observation unit (2) further comprises a refrigerating device (4) arranged on one side of the objective lens (33) towards the microfluidic biochip (35), and the refrigerating device (4) is used for preventing biological samples in the microfluidic biochip (35) from deteriorating before being emitted; The microscopic observation unit (2) further comprises an electric heating plate (5) arranged between the microfluidic biochip (35) and the sample stage (34), and the electric heating plate (5) is used for heating the biological sample in the microfluidic biochip (35) after reaching the space station, so that the biological sample is at a normal growth environment temperature.
  2. 2. The satellite-borne microscopic observation device according to claim 1, wherein the refrigerating device (4) is a semiconductor refrigerating sheet, and the refrigerating range is 0 ℃ to minus 20 ℃.
  3. 3. The satellite-borne microscopic observation device according to claim 1, wherein the electric heating plate (5) adopts a redundant backup design and comprises a main heating plate (51) and a backup heating plate (52), the working temperature of the main heating plate (51) and the backup heating plate (52) ranges from minus 40 ℃ to minus 300 ℃, and the actual keeping temperature ranges from 30 ℃ to 40 ℃.
  4. 4. The satellite-borne microscopic observation device according to claim 1, wherein the microscopic observation unit (2) further comprises a focusing adjustment device (6) arranged on the side of the lens barrel (32), and the focusing adjustment device (6) is used for manually adjusting the focal length of the microscope (3) on the ground so as to realize the adjustment of the distance between the objective lens (33) and an observation target.
  5. 5. The satellite-borne microscopic observation device according to claim 1, wherein the microscopic observation unit (2) further comprises a camera (7) arranged on the top of the sight glass (31), and the camera (7) is used for shooting observation results and storing the observation results in a form of one or a combination of two of an image form and a video form.
  6. 6. The satellite-borne microscopic observation device according to claim 1, wherein the microscopic observation unit (2) further comprises an illuminating lamp (8) arranged at the bottom of the sample stage (34), and the illuminating lamp (8) is used for providing a light source during microscopic observation.
  7. 7. The satellite-borne microscopic observation device according to claim 1, wherein the microscopic observation units (2) are in a redundant backup design, and the number of the redundant backup designs is 6.
  8. 8. The satellite-borne microscopic observation device according to claim 1, wherein the refrigerating device (4) is fixed on the side of the shell (1), and a refrigerating sheet of the refrigerating device faces the microfluidic biochip (35).
  9. 9. The satellite-borne microscopic observation device according to claim 5, wherein the electric heating plate (5) and the camera (7) are electrically connected with the inside of the satellite and can realize data transmission with the computer.

Description

Satellite-borne microscopic observation equipment Technical Field The utility model relates to the technical field of satellite and space station experimental equipment, in particular to satellite-borne microscopic observation equipment. Background One of the main functions of satellites, space stations, is as a research laboratory in a microgravity environment. Scientists have studied organisms using this particular environment. Scientists will be aware of the mechanism of the impact of the microgravity environment on living or living organisms (animals and plants) growing in space for a long period of time and find out a method for protecting living or living organisms in space from the negative effects of the microgravity environment in space. In order to observe the change of a biological sample in a space microgravity environment, the following two problems exist at present, namely 1, an observation device, usually a microscopic observation device, is needed, and the biological sample can be accurately installed on the microscopic observation device, so that the accurate observation can be ensured. 2. It is necessary to ensure that the biological sample can survive normally without deterioration before reaching the space, and can be at normal ambient temperature after reaching the space station for propagation and growth. Aiming at the problem 1, the microscopic observation equipment, namely a microscope, can bear large overload vibration and impact during rocket launching, and meanwhile, in order to accurately mount a biological sample on the microscopic observation equipment, the biological sample is ensured to be accurately observed, and the biological sample needs to be fixed on an observation table of the microscope in advance and the focal length is adjusted in advance. Aiming at the problem 2, the temperature of the biological sample needs to be controlled by a refrigerating device to prevent the biological sample from deteriorating at normal temperature before the biological sample arrives at the space station, namely the time from loading the satellite to launching the rocket can be up to 15 days, and after the biological sample arrives at the space station, the temperature of the back and shade surface in the space is tens of degrees below zero, and at the moment, the temperature of the biological sample needs to be controlled to be kept at 37 ℃ by a heating device, so that the biological sample is at a normal growth environment temperature. Combining problems 1 and 2, it can be seen how to cool the biological sample before reaching the space station and heat the biological sample after reaching the space station after fixing the biological sample to the observation stage of the microscope, which is an important technical problem of how to realize microgravity observation of the biological sample. Disclosure of Invention In order to solve the technical problems, after a biological sample is fixed on an observation table of a microscope, the biological sample can be cooled before reaching a space station, and heated after reaching the space station, so as to realize microgravity observation of the biological sample, the utility model provides satellite-borne microscopic observation equipment, which comprises a shell and a microscopic observation unit arranged in the shell, wherein the microscopic observation unit comprises a microscope, the microscope is vertically arranged, a sight glass arranged at the upper part, a lens barrel arranged at the middle part and an objective lens arranged at the lower part, a sample objective table is arranged at the lower part of the objective lens, and a microfluidic biochip is fixedly arranged on the sample objective table, and the satellite-borne microscopic observation equipment is characterized in that: the lens of the objective lens is made of toughened glass and is used for bearing large overload vibration and impact during rocket launching. The micro-observation unit further comprises a refrigerating device arranged on one side of the side part of the objective lens, which faces the microfluidic biochip, and the refrigerating device is used for preventing biological samples in the microfluidic biochip from deteriorating before being emitted so as to ensure that the biological samples cannot fail. The microscopic observation unit also comprises an electric heating plate arranged between the microfluidic biochip and the sample stage, and the electric heating plate is used for heating the biological sample in the microfluidic biochip after reaching the space station, so that the biological sample is at normal growth environment temperature. The refrigerating device is a semiconductor refrigerating sheet, and the refrigerating range is 0 ℃ to minus 20 ℃. The electric heating plate adopts a redundant backup design and comprises a main heating plate and a backup heating plate, wherein the working temperature range of the main heating plate and the backup hea