A High Precision Thermocouple
A thermocouple, high-precision technology, used in thermometers, measuring heat, using electrical devices, etc., can solve the problems of measurement accuracy, structural limitations, etc., to improve the resistance to deformation, facilitate replacement, and avoid contact dead ends.
Active Publication Date: 2018-11-27
安徽蓝德自动化科技有限公司
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Problems solved by technology
[0003] However, the existing thermocouple is limited by the structure of the protective sleeve, and its measurement accuracy is affected, which needs to be improved urgently
Method used
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[0015] Below, the technical solution of the present invention will be described in detail through specific examples.
[0016] Such as figure 1 as shown, figure 1 It is a structural schematic diagram of a high-precision thermocouple proposed by the present invention.
[0017] refer to figure 1 , a high-precision thermocouple proposed by the embodiment of the present invention, including: junction box 1, thermode 2, adapter 3 and protective cover 4, wherein:
[0018] One end of the protective sleeve 4 tube is detachably connected to the junction box 1 through the adapter 3 for easy replacement; the other end of the protective sleeve 4 tube is sealed; the protective sleeve 4 tube includes a first chamber 41 and a second chamber connected at both ends 42, the first chamber 41 and the second chamber 42 are parallel to each other, and both the first chamber 41 and the second chamber 42 are flat chambers, and a space is reserved between the first chamber 41 and the second chamber ...
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The invention discloses a high-precision thermocouple, comprising: a junction box, a thermal electrode, an adapter and a protective sleeve; one end of the protective sleeve is detachably connected to the junction box through the adapter, and the other end of the protective sleeve is sealed; the protective sleeve The tube includes a first chamber and a second chamber connected at both ends, the first chamber and the second chamber are parallel to each other, and a gap is reserved between the first chamber and the second chamber to form a reserved channel; The electrode includes a conductor A and a conductor B whose two ends are connected into a loop. The conductor A and the conductor B are located in the first chamber and the second chamber respectively, and one end of the conductor A and the conductor B is connected, and the other ends of the conductor A and the conductor B are respectively Pass through the adapter and connect to the junction box; the gap between conductor A and conductor B and the first chamber and the second chamber is filled with insulating and heat-conducting material. The invention avoids the contact dead angle between the conductor A and the conductor B, makes the temperature reacted by the conductor A and the conductor B more accurate, thereby achieving the purpose of improving the measurement accuracy.
Description
technical field [0001] The invention relates to the technical field of thermocouples, in particular to a high-precision thermocouple. Background technique [0002] Thermocouple (thermocouple) is a commonly used temperature measuring element in temperature measuring instruments. It directly measures the temperature, and converts the temperature signal into a thermal electromotive force signal, and converts it into the temperature of the measured medium through an electrical instrument (secondary instrument). [0003] However, the existing thermocouple is limited by the structure of the protective sleeve, and its measurement accuracy is affected, which needs to be improved urgently. Contents of the invention [0004] Based on the technical problems in the above background technology, the present invention proposes a high-precision thermocouple to improve its measurement accuracy. [0005] The present invention proposes a high-precision thermocouple, including: a junction bo...
Claims
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IPC IPC(8): G01K7/02
Inventor 李正祥陈兴国卢其军仇学玉
Owner 安徽蓝德自动化科技有限公司