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A fully shielded radiation shock wave probe

A shock wave and full shielding technology, applied in the direction of measuring ultrasonic/sonic/infrasonic waves, instruments, measuring devices, etc., can solve problems such as electromagnetic interference, prevent damage and pollution, and improve the effect of signal-to-noise ratio

Active Publication Date: 2021-04-09
XIJING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a fully shielded radiation shock wave probe, which solves the problem of electromagnetic interference, can effectively reduce the interference signal transmitted into the probe cavity, realizes fully shielded measurement of shock wave signals, and reduces the impact of strong electromagnetic interference on measurement. Impact

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  • A fully shielded radiation shock wave probe
  • A fully shielded radiation shock wave probe
  • A fully shielded radiation shock wave probe

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Embodiment Construction

[0032] The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0033] A fully shielded radiated shock wave probe, such as figure 1 As shown, it is a schematic structural diagram of the fully shielded radiation shock wave probe of the present invention, the probe includes: a probe housing, a probe signal measurement component arranged at the front end of the probe housing and closely attached to it in turn, a buffer block 5 and a pressure plate 6, which are arranged on the pressure plate The circuit board on 6, the load resistor 7 connected in parallel with the circuit board on the pressure plat...

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Abstract

The invention discloses a fully shielded radiation shock wave probe. The probe comprises: a probe housing, a probe signal measuring component arranged at the front end of the probe housing and closely attached to it in turn, a buffer block and a pressure plate, a circuit board arranged on the pressure plate, and The circuit board on the pressure plate is connected in parallel with the load resistance of the probe signal measuring part, and the cable connector fixed in the rear end of the probe housing is opposite to the pressure plate and connected in parallel with the load resistance. Wherein, the probe signal measuring part includes: an irradiated target, a polyester film and a rear pad which are closely attached to each other in sequence, and a piezoelectric sensor arranged between the polyester film and the rear pad; the load resistance is connected in parallel with the piezoelectric sensor. The probe of the invention can effectively reduce the interference signal transmitted into the cavity of the probe, realize the full shielding measurement of the shock wave signal, and reduce the influence of strong electromagnetic interference on the measurement.

Description

technical field [0001] The invention relates to a shock wave probe, in particular to a fully shielded radiation shock wave probe. Background technique [0002] Studying the propagation characteristics of radiation shock waves caused by intense pulsed radiation is of great significance to related engineering fields such as aeronautics and aerospace. The radiation shock wave measurement experiment has the characteristics of strong environmental electromagnetic interference signal and weak shock wave piezoelectric signal. To improve the measurement accuracy, the signal-to-noise ratio of the measurement signal must be improved. In the commonly used experimental measurement methods, the piezoelectric sensor has a small piezoelectric area, which cannot effectively shield the electromagnetic interference in the experiment, so the signal-to-noise ratio of the measurement signal is not high. Contents of the invention [0003] The purpose of the present invention is to provide a fu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01H17/00
CPCG01H17/00
Inventor 林鹏康家硕罗积军
Owner XIJING UNIV
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