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Automatic control system for thermal testing infrared radiation heater of spatial camera and method

An automatic control system and space camera technology, applied in the control system, motor generator control, instruments, etc., can solve the problems of high cost of the control system, long thermal test time, damage to the mechanical structure of the motor, etc., to achieve automatic control, improve Reliability, easy design and manufacture

Inactive Publication Date: 2012-01-18
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

Due to the long duration of the thermal test, it is clear that this phenomenon may cause damage to the motor or other related mechanical structures
At the same time, the current method requires special instruments such as signal generators, which makes the cost of the entire control system relatively high

Method used

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  • Automatic control system for thermal testing infrared radiation heater of spatial camera and method
  • Automatic control system for thermal testing infrared radiation heater of spatial camera and method
  • Automatic control system for thermal testing infrared radiation heater of spatial camera and method

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Embodiment Construction

[0037] The present invention is described in detail below in conjunction with examples, so that the purpose, characteristics and advantages of the present invention can be understood more deeply.

[0038] Such as figure 1 As shown, the present invention is an infrared radiation heater closed-loop control system composed of a controller 1, a motor drive circuit 2, a position sensing and processing circuit 3, an execution circuit 4, a power supply 5, a stepping motor 6 and a signal conditioning circuit 7 , connected to the space camera and the infrared radiation heater, to automatically control the opening and closing of the heater.

[0039] The power supply 5 supplies power for the entire control system. In this example, the power supply 5 adopts the switching power supply MD50-D1 of Hon Hai Technology Development Co., Ltd., and the two output voltages are 12V and 5V respectively. Signals 14, 15, 16 and 20 are 5V power supply signals supplied by the power supply 5 to the signa...

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PUM

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Abstract

The invention relates to an automatic control system for a thermal testing infrared radiation heater of a spatial camera and a method, belonging to the field of industrial automation. A closed-loop control system of the infrared radiation heater is formed by a controller (1), a motor drive circuit (2), a location sensing and processing circuit (3), an implementation circuit (4), a power supply (5), a stepper motor (6) and a signal conditioning circuit (7), and is connected with the spatial camera and the infrared radiation heater for automatic control of opening and closing of the heater. Thecost of the original method is reduced, the workload of the testing personnel is decreased, the defects caused by motor locking are avoided, and the reliability of the control system is improved.

Description

technical field [0001] The invention belongs to the field of industrial automation, and relates to an automatic control system and method of an infrared radiation heater (mainly including an infrared heating cage, an infrared lamp, etc., which heat a test piece through infrared or far-infrared radiation), especially for space An automatic control system and method for opening / closing an infrared radiation heater for a camera thermal test. Background technique [0002] Space cameras are placed on space vehicles such as satellites or spacecraft to complete the imaging task of ground scenes, and are important payloads of space vehicles. When the space camera is in orbit, it will be in a high vacuum, cold darkness and heat radiation environment for a long time. In order to enable the space camera to work normally in these harsh environments, it must be fully tested under high vacuum, cold and dark, and external heat flow environmental conditions in accordance with various test ...

Claims

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Application Information

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IPC IPC(8): H05B1/02H02P8/22G01C25/00
Inventor 曹小涛徐抒岩胡君罗志涛
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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