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Temperature measuring device

A technology of temperature measurement and constant temperature device, which is applied in the direction of measuring device, thermometer, heat measurement, etc., can solve the problems of high cost and poor stability of accurate temperature measurement, and achieve accurate temperature measurement, enhanced flexibility, and improved system stability Effect

Active Publication Date: 2018-10-16
BEIJING INST OF STRUCTURE & ENVIRONMENT ENG +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] Aiming at the problems of high cost and poor stability of accurate temperature measurement in low pressure environment, no effective solution has been proposed so far

Method used

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Embodiment 1

[0029] figure 1 It shows the structure diagram of the temperature measuring device according to the specific mode of the patent application of the present invention. Such as figure 1As shown, this embodiment provides a temperature measuring device, including a thermocouple 4 , a first test lead 51 , an adapter socket 6 , a second test lead 52 and a signal acquisition device 9 . Wherein one end of the first test lead 51 is connected with the thermocouple 4; one end of the second test lead 52 is connected with the signal acquisition device 9; a conductor is arranged in the adapter socket 6, and one end of the conductor is connected with the other end of the first test lead, The other end of the conductor is connected to the other end of the second test wire 52 to transmit the electrical signal generated by the thermocouple 4 to the signal acquisition device 9 . In addition, the temperature measuring device also includes a first thermostatic device and a second thermostatic dev...

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Abstract

The present application discloses a temperature measuring device including a thermocouple (4), a first test lead (51), a second test lead (52), an adapter socket (6), a signal acquisition device (9),and thermostat devices disposed on both sides of the adapter socket (6). The temperature measuring device can accurately acquires a temperature signal in a low pressure environment. On the basis of not changing the hardware configuration of the existing collection equipment, a set of socket thermostat devices are designed for the adapter socket (6) to control and maintain the temperature inside and outside the copper pin of the adapter socket (6) of a low pressure bulkhead in a uniform and stable temperature environment, the high-precision transmission of the temperature test signal in a low-pressure chamber (1) is completed, the flexibility of the test system is enhanced, the test capability of the existing equipment is expanded, and the economic cost is saved.

Description

technical field [0001] The present application relates to the field of temperature control, in particular, to a temperature measuring device. Background technique [0002] In the thermal test at atmospheric pressure, the acquisition of the temperature signal is directly connected to the acquisition device through the sensor test wire, and then the acquisition device performs the cold junction compensation calculation to obtain an accurate temperature indication. In the low-pressure test, due to the need to maintain the airtightness of the low-pressure (1000Pa) environment, and because the sealing adhesive is volatile in the low-pressure environment, the test cable used to obtain the temperature signal in the test is out of the cabin. It is not possible to directly use the solution of opening wiring in the bulkhead and sealing it with sealing adhesive to realize signal transmission. [0003] Structural thermal testing in low pressure environments requires acquisition of sign...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01K7/02
CPCG01K7/02
Inventor 何钦华田玉坤刘佳吴江罗俊清黄敏乔通
Owner BEIJING INST OF STRUCTURE & ENVIRONMENT ENG