High-speed high-frequency shock wave overpressure data acquisition device and acquisition method
A high-speed, high-frequency, data acquisition technology, applied in the direction of measuring devices, measuring ultrasonic/sonic/infrasonic waves, signal transmission systems, etc., can solve problems such as difficult deployment, insufficient security, and weak anti-interference ability
Inactive Publication Date: 2020-07-31
HEILONGJIANG UNIV
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[0004] The invention provides a high-speed and high-frequency shock wave overpressure data acquisition device and acquisition method to solve the problems of existing test devices such as difficult layout, weak anti-interference ability, and insufficient safety.
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[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. 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.
[0022] figure 1 , figure 2 As an embodiment of the present invention, a high-speed and high-frequency shock wave overpressure data acquisition device is disclosed, including an acquisition system and an acquisition module, wherein the acquisition module mainly includes a signal acquisition module 101, an optical trigger module 102, and a long-distance transmission module 103 , a data storage module 104 and a control module 105.
[0023] Optionally, the opti...
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The invention discloses a high-speed high-frequency shock wave overpressure data acquisition device. The device comprises an acquisition system and an acquisition module, wherein the acquisition module comprises a signal acquisition module, a light trigger module, a long-distance transmission module, a data storage module and a control module. The signal acquisition module is connected with the control module through an FSMC interface. The data storage module is connected with the control module through an SDIO interface. The long-distance transmission module comprises an instruction transmission part and a data transmission part. The control module is composed of two STM32 blocks, and the two STM32 blocks communicate through USART. The light triggering module is used for receiving a lightsignal generated by explosion, to trigger a system. The signal acquisition module is used for acquiring a shock wave signal generated by explosion. The remote transmission module is used for receiving an instruction transmitted by a computer and transmitting data to the computer. The data storage module is used for storing the acquired data, and the control module is used for controlling acquisition of the signal and basic operation of the system.
Description
technical field [0001] The invention relates to the technical field of data acquisition, in particular to a high-speed and high-frequency shock wave overpressure data acquisition device and acquisition method. Background technique [0002] In production and life such as mining, tunnel construction, and military operations, it is a common method to use explosives to explode to achieve damage effects. After the ammunition explodes in the air, it forms a shock wave and spreads to the surroundings. The explosion shock wave will reflect when it encounters an object, and the object will be damaged at this time. Shock waves can damage various military targets and civil buildings such as personnel, facilities, and equipment. They have a large range of action and strong destructive power, and the degree of damage is determined by the power of the shock wave. Therefore, the data of the shock wave is an important indicator for judging the damage effect of the explosion. . The peak va...
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IPC IPC(8): G08C17/02H04W4/38G01H17/00
CPCG01H17/00G08C17/02H04W4/38
Inventor 吕国辉郭新宇李孝友姜旭
Owner HEILONGJIANG UNIV