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Biological exposure device for near space science experiment

A scientific experiment, near space technology, applied in enzymology/microbiology devices, biochemical cleaning devices, specific-purpose bioreactors/fermenters, etc., can solve problems such as lack of temperature control function and inability to maintain biological characteristics

Pending Publication Date: 2022-04-05
NAT SPACE SCI CENT CAS +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to overcome the shortcomings of existing biological exposure devices that do not have a temperature control function and cannot maintain biological characteristics, thereby providing a biological exposure device for scientific experiments in adjacent spaces, which can be used in harsh adjacent space environments Next, irradiate the active biological samples in the experiment and maintain their biological characteristics. The temperature control unit provides an internal environment with precise temperature control, and fixes the active biological samples on the track through the liquid transport unit, so that after recovery for follow-up analysis

Method used

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  • Biological exposure device for near space science experiment
  • Biological exposure device for near space science experiment
  • Biological exposure device for near space science experiment

Examples

Experimental program
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Effect test

Embodiment 1

[0049] like figure 1 As shown, a biological exposure device for near space scientific experiments includes a cover 1, a middle section 2 and a bottom section 3 of the box, a cover transmission mechanism 11, a cover locking mechanism, a sample mounting plate 8, a sample container 6, a temperature control unit, fluid transport unit, exposure time detection unit and electronic measurement control and communication unit; wherein, the cover transmission mechanism 11 includes: a stepping motor and a reducer;

[0050] The cover transmission mechanism 11 is fixed on the middle section 2 of the box body, and adopts the gear transmission mode, driven by the electric control unit, to open and close the cover 1, and the opening degree is limited by the mechanical limit;

[0051] The rotating shaft is connected with the angle sensor 12 for detecting the opening angle; the cover 1 is closed with the chassis when ascending and descending, shielding the irradiation interference during the asc...

Embodiment 2

[0056] In this embodiment, a biological exposure device for near space scientific experiments has the function of precise temperature control, and the specific implementation process is as follows:

[0057] like image 3 As shown in the figure, an independent temperature control unit is designed at the bottom of each perfusion incubator 6 in the biological exposure device for near space scientific experiments provided by the present invention. The sensor and the cooling fan 20 are formed, and are installed in the lower part of the perfusion culture box 6. The temperature control unit closely contacts the temperature control unit with the culture box 6 through the structure, and the temperature sensor is embedded in the soaking plate; the control circuit drives the resistive heating film 18 With the cooling fan 20, the temperature signal is displayed and involved in the control, forming a closed-loop control temperature control, providing accurate temperature control for the bi...

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Abstract

The invention relates to the technical field of space biological devices, in particular to a biological exposure device for near space science experiments, which comprises a cover (1), a cover transmission mechanism (11), a cover locking mechanism, an electric control unit (9), a box body middle section (2) and a box body bottom section (3), the biological exposure device further comprises a sample mounting plate (8), a sample container, a plurality of temperature control units and an electronic measurement and control and communication unit; the sample container comprises a plurality of perfusion type culture boxes (6) for loading active solid biological samples and a plurality of chip type culture boxes (5) for loading dormant biological samples; the plurality of temperature control units are tightly connected with the bottoms of the perfusion type culture boxes (6) respectively and are used for detecting the internal temperatures of the corresponding perfusion type culture boxes (6); and the plurality of temperature control units are also used for respectively adjusting the internal temperature of the corresponding perfusion culture boxes (6) based on the control of the electronic measurement and control and communication unit.

Description

technical field [0001] The invention relates to the technical field of space biological devices, in particular to a biological exposure device used for near-space scientific experiments. Background technique [0002] Near space refers to the airspace 20-100 kilometers from the ground, which is at the edge of the earth's biosphere. The factors are affected by the earth's atmospheric circulation and space radiation. Its main environment is similar to that of Mars. With the development of space life science, the research of near space biology has become a new research hotspot, which has important scientific significance and application value. [0003] Internationally, exposure experimental technology has been developed for many years, and relevant biological experimental equipment is used in the International Space Station, the returnable satellite (Photon), and biological experiments in near space. Under low temperature conditions, the fixative may face problems such as freez...

Claims

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Application Information

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IPC IPC(8): C12M3/04C12M1/38C12M1/34C12M1/02
Inventor 刘冰王超王艳秋李维宁蒋远大林巍张文斯
Owner NAT SPACE SCI CENT CAS
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