Parallel electromagnetic six-dimensional vibrating speed sensors

A vibration velocity, magnetoelectric technology, applied in the field of parallel magnetoelectric six-dimensional vibration velocity sensor, can solve the problems of poor extraction accuracy, difficult sensor, complex data analysis, etc., to achieve high output power, wide adaptability and stable performance Effect

Inactive Publication Date: 2005-07-27
YANSHAN UNIV
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Problems solved by technology

Neither of these two methods can directly obtain the six-dimensional velocity information of vibration, and there is a problem of poor accuracy of indirect extraction
Other methods such as using one-dimensional or two-dimensional sensors for multi-point and multi-directional measurements have complex data analysis problems, especially in field test analysis, it is difficult to obtain high-precision six-dimensional vibration information
It can be seen that the simultaneous measurement of the six-dimensional velocity of vibration is of great significance, but due to the coupling of linear displacement and angular displacement, it is difficult to develop a sensor that directly extracts the six-dimensional velocity parameters of vibration, and there is no related research so far to report

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  • Parallel electromagnetic six-dimensional vibrating speed sensors
  • Parallel electromagnetic six-dimensional vibrating speed sensors

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Embodiment Construction

[0012] attached figure 1 is an embodiment of the present invention (see figure 1 ), the mount 1 is used to securely connect the sensor to the vibrating object, and the shell 2 is used to protect the internal components and shield the external magnetic field. The fixed frame 3 is a cage-shaped steel frame formed by connecting the upper and lower rings through three vertical plates. The ball joints 8 of the fixed frame are fixedly connected to the upper and lower rings respectively, and the lower ring is connected to the mounting seat 1 by screws. connected. The vibrating ball 4 consists of a steel shell with a lead metal core. The spherical hinge 5 and the fixed frame spherical hinge 8 are precision spherical hinges, and may also be flexible hinges. The structure of magnetic steel rod 6 and electromagnetic inductor 7 is shown in figure 2 . The magnetic steel rod 6 is rigidly connected into one by the connecting rod 9, the guide steel sleeve 10 and the permanent magnet 11;...

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Abstract

A vibration speed transducer of 6-D type is featured as connecting vibration ball with six magnetic rods by ball-joint, forming one dimensional magnetic type of linear vibration speed transducing branch by magnetic steel rod and electromagnetic inductor through spring, connecting another end of the inductor to fixture frame fixed on erection seat. It can synchronously measure decoupling of displacement for object linear and angle vibration as well as 6-D parameter of space vibration for rigid body.

Description

technical field [0001] The invention belongs to the technical field of mechanical vibration measurement, and relates to a parallel magnetoelectric six-dimensional vibration velocity sensor Background technique [0002] Vibration sensors can be divided into vibration displacement sensors, vibration velocity sensors and vibration acceleration sensors according to the measured physical quantity. Among them, the technology of one-dimensional linear vibration and angular vibration sensors is relatively mature, mainly including eddy current displacement sensors, magnetoelectric speed sensors and Piezoelectric acceleration sensor. Since the 1990s, with the rapid development of microelectronics technology, modern mechanical vibration and shock measurement sensors are developing in the direction of smaller, lighter, cheaper, higher reliability and stronger durability. At the same time, the processing level of traditional one- and two-dimensional vibration sensors is also continuousl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M7/02
Inventor 赵铁石赵永生黄真
Owner YANSHAN UNIV
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