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High-precision thermocouple

A thermocouple, high-precision technology, applied in thermometers, measuring heat, using electrical devices, etc., can solve problems such as structural limitations and measurement accuracy, and achieve the effects of easy replacement, improved anti-deformation ability, and avoid contact dead angle

Active Publication Date: 2016-02-03
安徽蓝德自动化科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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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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  • High-precision thermocouple

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Embodiment Construction

[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 4 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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Abstract

The invention discloses a high-precision thermocouple, which comprises a wiring box, a thermoelectrode, a conversion adapter and a protection sleeve, wherein one end of the protection sleeve is detachably connected with the wiring box via the conversion adapter, and the other end of the protection sleeve is sealed; the protection sleeve comprises a first cavity and a second cavity communicated at two ends, the first cavity and the second cavity are parallel mutually, and a gap is preserved between the first cavity and the second cavity to form a preservation channel; the thermoelectrode comprises a conductor A and a conductor B whose two ends are connected into a loop, the conductor A and the conductor B are located inside the first cavity and the second cavity respectively, one end of the conductor A and one end of the conductor B are connected, and the other ends of the conductor A and the conductor B pass through the conversion adapter respectively to be connected with the wiring box; and gaps between the conductor A and the conductor B and the first cavity and the second cavity are internally filled with insulated heat-conducting material. A contact dead angle between the conductor A and the conductor B can be avoided, temperature reflected by the conductor A and the conductor B is more accurate, and the purpose of improving the measurement precision is achieved.

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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Application Information

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Patent Type & Authority Applications(China)
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