Testing device and testing method for temperature sensor consistency

A temperature sensor and testing device technology, which is applied in the field of temperature sensors, can solve the problems of expensive constant temperature liquid tanks, and achieve the effects of high cost performance, uniform liquid temperature, and high testing accuracy

Inactive Publication Date: 2017-06-09
SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The constant temperature liquid tank with high technical indicators is more ex

Method used

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  • Testing device and testing method for temperature sensor consistency

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[0020] figure 1 It is a system framework diagram implemented by the temperature sensor consistency test device of the present invention. by figure 1 It can be seen that the temperature sensor consistency test device of the present invention includes a host computer 1, a motion controller 2, a data acquisition card 3, a motor driver 4, a motor 5, a motor bracket 6, a motion actuator 7, and a liquid tank 8 filled with liquid 9. , The temperature sensor 10 to be measured and the fixture 11; the host computer 1 communicates with the data acquisition card 3, the control port of the data acquisition card 3 is connected to the temperature sensor 10, and the motion control The motor 2 is connected to the motor driver 4, and the output end of the motor driver 4 is connected to the motor 5; the motor 5 is fixed on the motor support 6 and makes the motor 5 Located above the liquid tank 8, the motor 5 is connected to one end of the motion actuator 7 through a coupling. The page 3 paddle ...

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Abstract

The invention provides a testing device and a testing method for temperature sensor consistency. The testing device comprises a host computer, a motion controller, a data acquisition card, a motor driver, a motor rack, a motion execution mechanism, a liquid groove, liquid, a to-be-tested temperature sensor and a clamp. According to the invention, the motion executing mechanism enables that liquid in the liquid groove flows, that the liquid temperature inside the liquid groove is uniform, and that a high performance temperature sensor consistency testing could be realized. The testing device and the testing method are very cost-effective and can achieve high testing precision.

Description

technical field [0001] The invention relates to a temperature sensor, in particular to a test device and a test method for the consistency of the temperature sensor. Background technique [0002] Temperature sensors are widely used in both scientific research and industrial production. In the process of purchasing the sensor, it has gone through many links such as transportation, so it is not known whether the performance of the temperature sensor is still intact before starting to use the temperature sensor. The most common method is to use a constant temperature liquid tank to provide a constant temperature field under different temperature conditions, put several temperature sensors into the constant temperature liquid tank, and compare the differences in the temperature values ​​read by these temperature sensors to determine the temperature. Sensor Consistency. A constant temperature liquid tank with high technical specifications is more expensive and not a must-have f...

Claims

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Application Information

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IPC IPC(8): G01K15/00
CPCG01K15/005G01K15/007
Inventor 郭福东唐锋王向朝
Owner SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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