Non-contact vibration sensor device
A sensing device, non-contact technology, applied in measuring devices, using electrical devices, measuring ultrasonic/sonic/infrasonic waves, etc., can solve the problems of increasing the overall equipment cost, complex structure of optical lens modules, and high cost
Inactive Publication Date: 2012-04-11
许耿祯
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Problems solved by technology
[0004] However, the laser Doppler vibrometer must be applied to the Doppler effect of light itself and the use of He-Ne laser to achieve remarkable results. The optical lens module structure is relatively complex and expensive. If it is to be used in general industries, He-Ne -Ne laser inspection machine will increase the overall equipment cost for the industry
In addition, due to the limitation that the light must travel in a straight line, it is not suitable for equipment workshops with narrow and limited space, resulting in limited application functions and occasions; therefore, the new generation of non-contact vibration sensing devices must have a space-saving, low-cost , easy installation, anti-electronic noise interference, high sensitivity and low power, etc.
[0005] Furthermore, the traditional vibration sensing device does not have a flexible installing function for the shape and occasion of the object to be measured, and must be limited by prior installation or erection on the object to be measured, such as an acceleration sensor or a laser Doppler Vibration meters greatly limit the application of traditional vibration sensing devices; therefore, the new generation of non-contact vibration sensing devices must also have flexible installing functions such as portable and instant sticking and measuring
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[0031] see figure 1 , showing that an embodiment of the non-contact vibration sensing device of the present invention is applied to a perspective view of the object to be measured; the non-contact vibration sensing device 1 of the present invention is used to detect the vibration state of the object 10 to be side, which can be applied to Such as seismic analyzer, automobile vibration analysis and spectrum analysis, etc.
[0032] The non-contact sensing device 1 has a magnetic strip 2, a detector 3 and a processor 4; the magnetic strip 2 is attached to the surface of the object 10 to be measured relative to the parallel vibration direction, and the detector 3 is arranged on the On a support 11, and corresponding to the magnetic strip 2 vibration center (equilibrium position) setting, the vibration center position is the central section 203 of the magnetic strip 2 (such as Figure 5 shown); when the object 10 on the side vibrates up and down, the magnetic strip 2 on the object ...
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The invention provides a non-contact vibration sensor device. Through setting lengths of an N pole block and an S pole block of a magnetic stripe to be unequally-spaced, a detector is used to detect magnetic field directions of the unequally-spaced N pole block and the S pole block. And a processor calculates a change of an output voltage and converts into a corresponding vibration wavetype so asto acquire a vibration state of an object to be detected. The invention discloses a new generation non-contact vibration sensor device which can sense after being sticked and is not restricted by factory equipment space or a shape of the object to be detected.
Description
technical field [0001] The present invention relates to a vibration sensing device, in particular to a non-contact vibration sensing device that can detect the vibration state of an object to be measured, and is not limited by the space of the plant equipment or the shape of the object to be measured, and can be attached and measured immediately . Background technique [0002] Vibration is an important field of mechanical engineering, and it is a common phenomenon in mechanical operation. With the vigorous development of precision machinery, fault detection, diagnostic monitoring, and micro-electromechanical systems in recent years, real-time, accurate and Vibration signal measurement technology that does not occupy space has gradually attracted attention. Traditional vibration measurement devices can be mainly divided into two categories: contact type and non-contact type. The contact type sensor must directly contact the object to be measured to obtain its vibration state...
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IPC IPC(8): G01H11/02
Inventor 许耿祯叶室宏
Owner 许耿祯