Axial force measurement device and test method of magnetic pump under instant high temperature difference environment
A measuring device and magnetic pump technology, applied in the field of sensing, can solve the problems of low measurement accuracy, complex structure, poor versatility and sealing, and achieve the effect of strong versatility and optimizing the structure of the magnetic pump axial force test sensor
Active Publication Date: 2014-06-04
XIANGYANG WU ER WU PUMP IND
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Problems solved by technology
[0011] The purpose of the present invention is to solve the problems that the axial force measuring device used in the magnetic pump cannot adapt to the working condition of the instantaneous high temperature difference environment (between 30-70°C), has low measurement accuracy, complex structure, poor versatility and poor sealing performance
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[0027] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:
[0028] A magnetic pump axial force measurement device under instantaneous high temperature difference environment, which includes a stress sensor 1, a wiring device 2, a signal line 3, a digital strain gauge 4, a thermocouple signal instrument 5, a temperature thermocouple 6, and data acquisition and data analysis Module 7; peripheral equipment magnetic pump 8 includes pump body 8-1, impeller 8-2, sliding bearing box 8-3, sliding bearing 8-4, inner magnetic rotor 8-5, driven shaft 8-6, spacer sleeve 8 -7. Outer magnetic rotor 8-8, intermediate support 8-9 and rolling bearing assembly 8-10. Wherein, the stress sensor 1 is mainly composed of a seat ring 1-1, a strain gauge 1-2, a protective layer 1-3, a lining ring 1-4, a sealing structure 1-5 and a strain ring 1-6. Seat ring 1-1, strain ring 1-6 and lining ring 1-4 are made of quenched martensitic stainless s...
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The invention discloses an axial force measurement device and a test method of a magnetic pump under instant high temperature difference environment, which relate to an axial force detecting device structure of the magnetic pump and belong to the technical field of sensing. The axial force measurement device of the magnetic pump under the instant high temperature difference environment comprises a stress sensor, a wiring device, a signal wire, a digital strain indicator, a thermocouple signal instrument, a temperature thermocouple and a data acquisition and data analysis module. The axial force measurement device of the magnetic pump under the instant high temperature difference environment is simple in structure, practical, capable of conveniently measuring practical axial force of the magnetic pump and adopting working conditions under the instant high temperature difference environment, high in measurement accuracy and good in generality and sealing performance. The invention further discloses a measurement method applying the axial force measurement device of the magnetic pump under the instant high temperature difference environment and used for measuring the axial force of the magnetic pump.
Description
technical field [0001] The invention relates to an axial stress measuring device, in particular to the structure and principle of the axial force measuring device under the instantaneous high temperature difference environment of a magnetic pump, and belongs to the field of sensing technology. Background technique [0002] The axial force measuring device is a new technology to measure the axial force of the magnetic pump based on the basic theory of sensing technology, using stress sensors and temperature sensors. In the process of structural design and optimization of the magnetic pump, accurate measurement of the axial force of the magnetic pump is a prerequisite for perfecting the structural design of the magnetic pump. Among them, the accurate measurement of the axial force of the magnetic pump can directly obtain the magnitude of the unbalanced axial force, so as to obtain a more accurate real-time back-port loop return flow q through verification calculations, and the...
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IPC IPC(8): F04B51/00
Inventor 刘光启李落成吴志宏万仁伟宋寅徐衡任丽
Owner XIANGYANG WU ER WU PUMP IND