Autonomous temperature control system for deep space energy particle detection instrument during on-orbit operation

A temperature control system and particle detection technology, applied in the field of deep space physical detection, can solve the problems of detection performance change and failure, and achieve the effect of simple structure and stable control

Inactive Publication Date: 2020-05-08
LANZHOU INST OF PHYSICS CHINESE ACADEMY OF SPACE TECH
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Problems solved by technology

At extremely low temperatures, many temperature-sensitive instruments will have varying degrees of change in detection performance or even fail

Method used

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  • Autonomous temperature control system for deep space energy particle detection instrument during on-orbit operation
  • Autonomous temperature control system for deep space energy particle detection instrument during on-orbit operation
  • Autonomous temperature control system for deep space energy particle detection instrument during on-orbit operation

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Embodiment Construction

[0015] The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0016] The present invention provides an autonomous temperature control system when the deep space energy particle detection instrument is in orbit, such as figure 1 As shown, it includes a temperature sensor, a temperature monitoring acquisition module, a control module, and a temperature control module.

[0017] The traditional spacecraft temperature control system usually adopts passive type, which is simple and easy to implement but has a narrow temperature control range. The temperature control system carried on some spacecraft is active, but the control circuit is complicated and the reliability is low, so it is not suitable for the complex and harsh thermal environment in the process of deep space exploration. The invention adopts the local distribution of temperature acquisition, monitoring and temperature control modules, which not only solves th...

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Abstract

The invention discloses an autonomous temperature control system for a deep space energy particle detection instrument during in-orbit operation. The autonomous temperature control system comprises atemperature sensor, a temperature monitoring and collecting module, a control module and a temperature control module. The temperature sensor is arranged on a temperature sensitive device of a detection instrument; the temperature monitoring and collecting module acquires a temperature signal and converts the temperature signal into an electric signal; the control module judges whether the temperature control module needs to be controlled to heat the detection instrument or not according to the electric signal; the current situation that a traditional active temperature control system is complex in circuit and low in reliability can be improved, and the temperature control range meets working requirements.

Description

technical field [0001] The invention belongs to the technical field of deep space physical detection, and in particular relates to an autonomous temperature control system for a deep space energy particle detection instrument operating in orbit. Background technique [0002] The spacecraft operates in a deep space environment outside the earth's atmosphere. During the Earth-Mars transfer orbit and Mars orbit, the detection instruments on board will face away from the sun and experience an extremely low temperature environment of -40°C. At extremely low temperatures, many temperature-sensitive instruments will have varying degrees of change in detection performance or even fail. The Mars energy particle analyzer probe system consists of two silicon detectors, one CsI(Tl) detector and anti-coincidence detector, the silicon detector itself and the signal readout device PD for CsI(Tl) and anti-coincidence detector Both SiPM and SiPM are temperature sensitive devices. In order ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D23/24
CPCG05D23/24
Inventor 张海燕胡向宇李存惠赵振栋毛俊程赵椿芳王鹢于海军
Owner LANZHOU INST OF PHYSICS CHINESE ACADEMY OF SPACE TECH
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