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Residual vibration elimination ultrasonic probe

An ultrasonic and shell-installed technology, which is applied in the field of distance measurement, can solve problems such as the inability to adjust the angle of the ultrasonic probe, the inconvenient distance measurement of tilted objects, and the inability to measure distance, etc., so as to achieve flexible ultrasonic probes, improve the range of distance measurement, and improve The effect of using performance

Pending Publication Date: 2021-12-24
苏州顺憬志联新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The present invention uses soft silicone pads and soft silicone sleeves to weaken the influence of ultrasonic transverse waves and improve the accuracy of distance measurement results; and use temperature sensors to perform temperature compensation on the propagation speed of ultrasonic waves to further improve the accuracy of distance measurement results. During the distance measurement, there will be aftershock. During the aftershock time, the amplitude of the aftershock signal is much larger than the echo signal. Ultrasound probe has a blind spot
[0005] 2. The traditional ultrasonic probe is not flexible, the angle of the ultrasonic probe cannot be adjusted, and it is inconvenient to measure the distance of inclined objects

Method used

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  • Residual vibration elimination ultrasonic probe
  • Residual vibration elimination ultrasonic probe
  • Residual vibration elimination ultrasonic probe

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Embodiment 1 includes an installation shell 1, an installation piece 3 and an installation base 4. A rotating ball 101 is installed on the bottom of the installation shell 1, and a shielding grid 102 is installed on the inside of the top of the installation shell 1. The installation shell 1 provides a mounting for the ultrasonic probe. Position, so that the internal structure can be installed, the rotating bead 101 is used to rotate the ultrasonic probe, and provide the role of adjusting the angle for the ultrasonic probe, the shielding grid 102 plays a protective role, used to protect the internal ultrasonic structure, prevent The internal structure is polluted by dust, which affects the operation of the ultrasonic probe. The bottom of the installation shell 1 is movably installed with the fixed shaft 2 through the rotating ball 101. The top of the fixed shaft 2 is provided with a rotating groove 201, and the inner side of the rotating groove 201 is connected with the T...

Embodiment 2

[0028] The second embodiment includes a mounting base 4, a circuit control board 401 is installed on the top of the mounting base 4, an analog switch 403 is installed on the top of the mounting base 4, and the analog switch 403 is located on one side of the circuit control board 401, and the circuit control board The outside of 401 is symmetrically distributed with connectors 402, and the installation base 4 provides installation positions for the top circuit control structure and support frame 5, so that they can be installed. The circuit control board 401 is used to control the circuit connection of the internal piezoelectric ceramic sheet. The piezoelectric ceramic sheet can be connected to different circuits, so as to play a corresponding role. The analog switch 403 is used to control the switch of the circuit, and the connector 402 plays the role of connection. Through the connector 402, other structures can be connected. Connect with the circuit control board 401;

[002...

Embodiment 3

[0030] Embodiment 3 includes a support frame 5 and a second fixing member 6, a support frame 5 is installed on the top of the installation base 4, and the support frame 5 is located on both sides of the circuit control board 401, and the bottom of the support frame 5 is symmetrically distributed with first The fixing part 501, the bottom of the first fixing part 501 is equipped with a first piezoelectric ceramic sheet 502, and the first piezoelectric ceramic sheet 502 is connected with the circuit control board 401 through a wire, and the support frame 5 is used to install the piezoelectric ceramic sheet, The piezoelectric ceramic sheet 502 can be installed, and the first fixing member 501 is used to install the first piezoelectric ceramic sheet 502, so that the first piezoelectric ceramic sheet 502 can be installed, and the first piezoelectric ceramic sheet 502 can produce The after-vibration signals similar to the second piezoelectric ceramic sheet 601 cancel each other out, ...

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Abstract

The invention discloses a residual vibration elimination ultrasonic probe which comprises a mounting shell, a mounting part and a mounting base, wherein a rotating ball is mounted at the bottom part of the mounting shell, a fixing shaft is movably mounted at the bottom part of the mounting shell through the rotating ball, the mounting part is mounted at the bottom part of the fixing shaft, the mounting base is mounted on the inner wall of the bottom part of the mounting shell, a circuit control board is mounted at the top part of the mounting base, supporting frames are mounted at the top part of the mounting base, the supporting frames are located on the two sides of the circuit control board, and second fixing parts are symmetrically distributed and mounted at the top parts of the supporting frames. By additionally arranging a piezoelectric ceramic piece and a control circuit on an existing ultrasonic probe, the residual vibration elimination ultrasonic probe internally comprises two piezoelectric ceramic pieces, the wiring mode of the first piezoelectric ceramic piece is switched through the circuit control board and the analog switch, and therefore, the residual vibration signals of the first piezoelectric ceramic piece and the second piezoelectric ceramic piece are opposite in phase and counteract each other, so that the residual vibration is eliminated.

Description

technical field [0001] The invention relates to the technical field of distance measurement, in particular to an aftervibration elimination ultrasonic probe. Background technique [0002] The ultrasonic probe is open, and its function is to measure the distance. The ultrasonic probe is a device that realizes the conversion between electrical signals and ultrasonic signals. When an AC signal of a specific frequency is input to the ultrasonic probe, the ultrasonic probe will emit the same frequency. When using ultrasonic distance measurement, the ultrasonic probe emits ultrasonic signals, and when encountering obstacles, the ultrasonic signals will be reflected back. [0003] The defective that existing ultrasonic probe exists is: [0004] 1. The comparative document CN207181685U discloses an ultrasonic distance measuring device, "the present invention discloses an ultrasonic distance measuring device, comprising: a distance measuring circuit board; an ultrasonic transmitting...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S15/08
CPCG01S15/08
Inventor 刘海豹
Owner 苏州顺憬志联新材料科技有限公司