Electric probe for shock wave measurement and making method thereof

A manufacturing method and technology of electric probes, which are applied in the direction of measuring electricity, measuring electric variables, and parts of electrical measuring instruments, etc., can solve the problems of limited use, low use rate, high processing technology requirements, etc., and achieve good shock wave responsiveness , reduced manufacturing cost, and wide response range

Inactive Publication Date: 2018-09-04
WUHAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The electrical probes of various structures described above have more or less deficiencies, and their use is limited: polished rod probes and coaxial probes have simple structures and low manufacturing costs, but the sample installation process is complicated; Needle and piezoel

Method used

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  • Electric probe for shock wave measurement and making method thereof
  • Electric probe for shock wave measurement and making method thereof
  • Electric probe for shock wave measurement and making method thereof

Examples

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preparation example Construction

[0051] The electrical probe used for shock wave measurement provided by the present invention, its preparation method comprises the following steps:

[0052] (1) Polish the incisions of the metal capillary 1 and the enamelled metal wire 2 smooth with fine sandpaper, and clean them;

[0053] (2) One end of the metal lead wire 3 is stripped of the insulating layer and dipped in tin, and one end of the enamelled wire 2 is scraped and dipped in tin to form a tinned layer 8, which is convenient for welding during use;

[0054] (3) Prepare polyurethane paint, diluent, and curing agent according to 1:X:0.5 (X=0.3-0.8) at room temperature. Put it into an electric drying oven, and form an insulating coating 4 after curing;

[0055] (4) Put one end of the enamelled metal wire 2 coated with the insulating coating 4 into the metal capillary 1, the top of the enamelled metal wire 2 is 0.1-0.2 mm away from the top of the metal capillary, and a pin or sewing needle with a sharpened tip can ...

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Abstract

The invention discloses an electric probe for shock wave measurement and a making method thereof. The electric probe is mainly composed of a metal capillary tube, an enameled wire, a metal lead and aheat shrinkable tube, wherein one end of the enameled wire is coated with an insulating coating and is arranged in the metal capillary tube in a passing mode, the top part is coated with a conductiveadhesive for being cured and fixed and the tail part is bonded and fixed by using a resin adhesive; the other end of the enameled wire is subjected to painting scraping and tin immersion; the metal lead is wound on the tail part of the metal capillary tube and is sleeved with heat shrinkable tube for being fixed; the metal lead and the enameled wire are used as two electrodes of the electric probeand after passing the inspection, a high-sensitivity shock wave measurement-used electric probe is achieved. The electric probe has good shock wave response, the response time can reach a nanosecondorder, the response range is wide from a dozen GPa to hundreds of GPa, the size is small, the mounting steps are simple, the use is convenient, the making cost is low, and the research cost can be significantly reduced.

Description

technical field [0001] The invention belongs to the field of shock wave measurement devices, and in particular relates to an electric probe for shock wave measurement and a manufacturing method thereof, more precisely, relates to a high-speed pulse electric switch element for monitoring shock wave fronts or moving objects The component whose surface reaches a predetermined position and its manufacturing method. Background technique [0002] In shock wave physics and partial detonation physics experiments, the dynamic impact angle of flyers, shock wave velocity and wave front inclination are often measured with electric probes. The dynamic collision angle of the flyer refers to the angle between the plane of the flyer and the target plane, which reflects the approximation of the uniaxial collision; Flyer dynamic collision angle influence. In the impact experiment, the electric probe is connected to the electric pulse network circuit as a high-speed pulse electric switch. B...

Claims

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Application Information

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IPC IPC(8): G01R1/067G01H5/00G01C1/00G01C9/00
CPCG01C1/00G01C9/00G01H5/00G01R1/06744G01R1/06761
Inventor 黄海军杨刚刘勋
Owner WUHAN UNIV OF TECH
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