Monolithic integration composite range vector hydrophone

A vector hydrophone, a single-chip integrated technology, is used in instruments, measuring devices, measuring ultrasonic/sonic/infrasonic waves, etc. It can solve the problems of narrow effective frequency band and cannot measure signals of various frequencies, etc. Band range, broaden the effective working frequency band, overcome the effect of inconsistency

Inactive Publication Date: 2012-04-25
ZHONGBEI UNIV
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Problems solved by technology

[0004] In order to solve the shortcomings of the existing vector hydrophone due to the mutual restriction of sensitivity and effective working frequency band, the effective frequency band ra

Method used

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  • Monolithic integration composite range vector hydrophone
  • Monolithic integration composite range vector hydrophone
  • Monolithic integration composite range vector hydrophone

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Embodiment Construction

[0040] The present invention will be further described below in conjunction with accompanying drawing:

[0041] Such as Figures 1 to 3 Shown, a kind of monolithic integrated composite range vector hydrophone, comprises square-shaped bracket 1, elastic beam 2 and the mass blocks 3 in the middle of four small frame bodies that are respectively supported and suspended in square-shaped bracket 1 by elastic beam 2, each The four sides of each mass block 3 are respectively fixed to the square-shaped support 1 by an elastic beam 2, and the end and root of each elastic beam 2 are respectively integrated with a piezoresistor 4 with equal resistance, and two elastic beams located in the X direction The four varistors 4 on the beam 2 form a Wheatstone bridge, and the four varistors 4 on the two elastic beams 2 in the Y direction form a Wheatstone bridge; the four Wheatstone bridges in the X direction The four Wheatstone bridges in the Y direction are arranged in parallel; the middle parts

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Abstract

The invention discloses a monolithic integration composite range vector hydrophone. The current vector hydrophone can not measure various kinds of frequency signals in one test process because of mutual restriction of sensitivity and an effective work frequency band. By using the vector hydrophone of the invention, the above problem can be solved. The vector hydrophone comprises: a field-shaped support, elastic beams and mass blocks which are suspended on middle parts of four little box bodies of the field-shaped support respectively. Four sides of the each mass block are fixed with the field-shaped support through one elastic beam respectively. A terminal and a root of the each elastic beam are integrated with piezoresistors with a same resistance respectively. The middle parts of the four mass blocks are vertically provided with cilia cylinders with a same diameter respectively. The four cilia cylinders have different lengths. In the invention, through the four cilia cylinders with different lengths, sound signals in different measuring range scopes can be detected. The vector hydrophone can be used for determining a variable frequency value. And the effective work frequency band can be widened.

Description

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Claims

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Application Information

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Owner ZHONGBEI UNIV
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