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Initiating explosive device acting pressure-temperature tester

A technology for applying pressure and pyrotechnics, which is applied in the field of pressure-temperature testers for pyrotechnics, and can solve the problems of many test instruments and connecting lines, and measuring the output performance of pyrotechnics.

Inactive Publication Date: 2011-09-14
ORDNANCE TECH RES INST OF THE GENERAL ARMAMENT DEPT PLA
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  • Abstract
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Problems solved by technology

Existing testing instruments are all equipped for testing a certain parameter, and the test results obtained are only a certain parameter value, and it is impossible to comprehensively test these two parameters to fully measure the output performance of pyrotechnic products
For electrical explosive products, it is also necessary to test the safety current and ignition current. The existing test method is to use a separate tester to provide a constant current, so that there are many test instruments and connecting lines, and it is not convenient and quick to test the current. Detection of pyrotechnics

Method used

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  • Initiating explosive device acting pressure-temperature tester
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  • Initiating explosive device acting pressure-temperature tester

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Embodiment Construction

[0014] Depend on Figure 1-Figure 4 It can be seen from the illustrated embodiment that this embodiment includes a temperature sensor, a pressure sensor, an amplifying circuit, a first and a second sample-and-hold amplifier, a multi-channel analog switch, an A / D converter, a single-chip microcomputer system, an explosive detection circuit and Constant current source circuit; the output terminal of the temperature sensor is connected to an input terminal of the multi-channel analog switch through the amplifying circuit and the first sampling and holding amplifier in turn; the output terminal of the pressure sensor is connected to the input terminal of the second sampling and holding amplifier , the output terminals of the second sample-and-hold amplifier are respectively connected to the corresponding input terminals of the multi-channel analog switch and the explosive detection circuit; the output terminals of the multi-channel analog switch are connected to the input terminals...

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Abstract

The invention relates to an initiating explosive device acting pressure-temperature tester. The tester comprises a temperature sensor, a pressure sensor, an amplifying circuit, first and second sampling and holding amplifiers, a multi-channel analog switch, an analog / digital (A / D) converter, a singlechip system, an initiating explosive device explosion detection circuit and a constant current source circuit. The tester can simultaneously test two parameters, namely output pressure and temperature, and can provide two channels of accurate steady current so as to test the safe current and the firing current of an electric initiating explosive device.

Description

technical field [0001] The invention relates to a pyrotechnic product action pressure-temperature tester, which belongs to the measurement and control instrument for the performance test of the pyrotechnic product, and in particular can meet the measurement and control requirements of the comprehensive test of the output pressure and temperature of the pyrotechnic product. Background technique [0002] The pyrotechnic product is the first part of the ammunition transmission and explosion sequence, and its performance is directly related to the reliability of the ammunition. The parameters that characterize the output performance of pyrotechnics are mainly output pressure, temperature and action time. Existing testing instruments are all equipped for testing a certain parameter, and the test results obtained are only a certain parameter value, and it is impossible to comprehensively test these two parameters to fully measure the output performance of pyrotechnics. For electr...

Claims

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Application Information

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IPC IPC(8): G01D21/02G01J5/60G01L23/10
Inventor 柳维旗陈兴国刘礼斌王冰
Owner ORDNANCE TECH RES INST OF THE GENERAL ARMAMENT DEPT PLA
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