Measurement and control system used for underwater explosion model test of centrifuge

A technology of underwater explosion and model test, which is applied to hydraulic models, testing of machine/structural components, measuring devices, etc., to reduce costs, enhance test repeatability, and improve test efficiency and test capability.

Inactive Publication Date: 2017-07-28
CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For the centrifugal model test, the entire measurement and control system will be installed on the centrifuge and follow the high-speed ...

Method used

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  • Measurement and control system used for underwater explosion model test of centrifuge
  • Measurement and control system used for underwater explosion model test of centrifuge
  • Measurement and control system used for underwater explosion model test of centrifuge

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Embodiment Construction

[0024] The present invention will be described in further detail below through specific implementation examples and in conjunction with the accompanying drawings.

[0025] ginseng figure 1 As shown, the centrifugal force of the centrifuge gradually increases from the centrifuge rotating shaft 9 to the rotating arm 13 to the counterweight hanging basket 14 and the model box hanging basket 12. Initiating components (including detonators, detonating cords, explosives) are arranged on the model box or on the test model, and other instruments, such as the lower computer 4, the control box 6, the regulator subsystem 5 (including the strain amplifier, Sensor signal regulator, high-speed camera host) all need to be arranged on the centrifuge turntable 2 in order to prevent from being unable to work normally due to large centrifugal force.

[0026] The upper computer, the monitor of the camera system and the first optical fiber transceiver are located in the ground control room 1; the...

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PUM

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Abstract

The invention provides a measurement and control system used for an underwater explosion model test of a centrifuge. The measurement and control system comprises an acquisition subsystem, a control detonation subsystem, a conditioning device subsystem and a test element subsystem. The acquisition subsystem comprises a host computer, a lower computer, a shooting system display and a photoelectric sliding ring. The control detonation subsystem comprises a control box and a detonation element. The control box comprises a second fiber transceiver and a control circuit. The denotation element comprises a detonator and explosives. A solid-state relay is arranged on the control circuit. The conditioning device subsystem comprises a strain amplifier, a strain bridge box, a sensor signal conditioner and a high speed shooting host. The test element subsystem comprises a strain sheet, a sensor and a high speed camera. The strain sheet and the sensor are arranged on a test model. According to the invention, simultaneous multi-parameter dynamic test is achieved on the centrifuge; a problem of failure to meet underground explosion similarity rate of a traditional model test is solved; the measurement and control system can be used for a replacement method for a prototype test; and test cost and test time are greatly reduced.

Description

technical field [0001] The invention belongs to the technical field of geotechnical machinery model tests, in particular to a measurement and control system for underwater explosion model tests of centrifuges. Background technique [0002] The basic principle of the geotechnical centrifugal model test is to place the model made of raw materials in a certain scale in the centrifugal force field generated by the centrifuge, and increase the self-weight and body force of the model to make the stress state of the model reach the same stress state as the prototype. And showed the deformation and destruction process similar to the prototype. Through the model test, the size of the model can be reduced, the time of the model test can be shortened, and the actual engineering problems can be studied under the condition of a certain centrifugal simulation similar scale. At present, using a centrifuge to conduct a centrifugal simulation test has become one of the effective means to st...

Claims

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Application Information

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IPC IPC(8): G01M7/08E02B1/02
CPCG01M7/08E02B1/02
Inventor 陈祖煜黄志杰胡晶梁建辉魏迎奇张雪东梁向前张紫涛宋歌娄浩然王秋生
Owner CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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