A cantilever type multi-parameter independent detection device and detection method
A detection device and detection method technology, applied in tire measurement, transportation and packaging, vehicle parts and other directions, can solve problems such as high cost, poor stability, and easy mutual interference of signals, and achieve the effect of improving detection accuracy and improving detection accuracy.
Active Publication Date: 2020-12-25
JILIN UNIV
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The general method is to simply package and integrate different detection devices, but this is costly, complex devices, poor stability, and various signals are easy to interfere with each other
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[0075] ①Taking the gear as an example with the detection object, the internal stress F1 of the gear can be detected, because the stress and deformation satisfy Hooke's law, F1=Yx, where Y is the elastic coefficient of the system, and x is the deformation amount mentioned above;
[0076] ②Take the gear as an example with the detection object, the tire pressure P can be detected, and PV=C can be obtained from the ideal gas state equation 1 , V=C 2 x 3 ,Right now Among them, V is the volume of the inner cavity of the tire, and C1 and C2 are constants related to the gas state. The deformation x is detected by the method above, and the detection of the pressure P is realized.
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The invention relates to a cantilever type multi-parameter independent detecting device and method, and belongs to an arm type sensor and a detecting method. A fixed plane of a vehicle frame is selected as a fixed surface. A base and the fixed surface are fixed together by a first bolt and a second bolt. A cantilever beam and the base are fixedly connected. A beam end magnet is located at one endof the cantilever beam and is opposite to objects to be tested, a following-up magnet and the objects to be tested are fixed together by a bonding layer, and the following-up magnet is opposite to thebeam end magnet. The cantilever type multi-parameter independent detecting device is of a novel structure and easy to install, external power supply is not needed, energy conservation and environmental protection are achieved, and parameters of the three objects to be tested can be independently and accurately detected through one device.
Description
technical field [0001] The present invention relates to a cantilever type sensor and a detection method, in particular to a cantilever type multi-parameter independent detection device and detection method for an object to be measured, especially a piezoelectric cantilever beam based on the mutual interaction of beam end magnets and follower magnets. The action makes the piezoelectric cantilever respond, and then realizes the sensor and detection method for independent detection of the rotation speed, velocity and deformation (and the derivative of deformation, such as the pressure of the tire or the internal stress of the gear) of the object to be measured. Background technique [0002] The new generation of information technology is one of the seven strategic emerging industries determined by the State Council. The new generation of information technology is divided into six aspects, namely the next generation communication network, the Internet of Things, the integration o...
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IPC IPC(8): B60C23/04B60C23/00
CPCB60C23/00B60C23/0425
Inventor 王东方万胜来王昕马文瑞李文航刘书溢林源杨旭刘欣殷志富
Owner JILIN UNIV