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Continuous precise metal belt measuring X-ray process and equipment

A metal strip and X-ray technology, which is used in the field of continuous high-precision measurement of metal strips and devices using X-rays, can solve problems such as low precision, and achieve stable and reliable, improved speed, and low-loss transmission. Effect

Inactive Publication Date: 2007-10-03
北京北科合作仪器厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the shortcomings of low precision of early X-ray thickness gauges, the purpose of the invention is: a fully digital X-ray thickness gauge, and using a constant temperature X-ray source and a C-frame to improve the accuracy

Method used

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  • Continuous precise metal belt measuring X-ray process and equipment
  • Continuous precise metal belt measuring X-ray process and equipment
  • Continuous precise metal belt measuring X-ray process and equipment

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Embodiment 1

[0022] What this embodiment described is the method for using X-ray continuous high-precision measurement of metal strips, the hardware used includes: arithmetic unit, A / D converter, on-site display, central control processor, output interface, X-ray high-voltage power supply , on-site controller, cooling controller, X-ray source, X-ray detector, measuring transmitter, these hardwares constitute the X-ray measuring instrument, which is a non-contact, non-destructive measuring instrument, and its operation steps:

[0023] 1. The X-ray receiving device receives the X-rays passing through the metal plate, and the signal sent by the X-ray receiving device is a continuous analog signal.

[0024] 2. Perform A / D conversion on the obtained analog signal to obtain a digital signal.

[0025] 3. Carry out long-distance transmission processing of digital signals. In the actual metal strip rolling production line, the X-ray emitting tube and X-receiving device for measurement must be on t...

Embodiment 2

[0034] Fig. 2 is a schematic diagram of the overall structure of a device for continuous and high-precision measurement of metal strips using X-rays in the present invention. The serial numbers in the figure represent: 1. Calculator, 2. AGC system, 3. Output interface, 4. Central control processor, 5. On-site display, 6. X-ray high-voltage power supply, 7. On-site controller, 8. Cooling controller, 9. X-ray source, 10. X-ray detector, 11. Measurement transmitter, 12 .C-frame cooler, 13.C-frame, 14.Constant temperature cooling circulator.

[0035]When X-rays pass through an object, they are attenuated. Correct correction attenuation is the key to accurate measurement. In order to realize high-precision measurement in this embodiment, the analog quantity measured by the X-ray detector 10 is converted into a digital quantity, and the computer, in this embodiment, is the arithmetic unit 1, processes these digital quantities, and corrects the X-ray penetration. The attenuation pr...

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Abstract

The present invention is continuous precise metal belt measuring X-ray process and equipment. The measurement equipment includes central control processor, arithmetic device, site controller, site display, X-ray high voltage power source, cooling controller; X-ray source, X-ray detector, measurement transducer, C-rack cooler, and constant temperature cooling circulator connected together. By means of the digital control and transmission technology and constant temperature technology, the present invention realizes the long distance transmission of the measurement signals, high measurement precision within 0.1 % and measurement responding time up to 5 ms, and is suitable for continuous stable measurement of metal belt.

Description

Technical field [0001] The present invention relates to a method and device for continuous high-precision measurement of metal strips using X-rays. A method and device for continuous and high-precision thickness measurement. Background technique [0002] Continuous thickness measurement of the rolling metal strip on the rolling production line of the rolling metal strip is an important means to ensure the quality of the metal strip. The thickness measuring instrument used in the early days was the gamma ray thickness gauge. The disadvantage of the gamma ray thickness gauge is that the gamma ray source is a kind of radioactive substance, and it is more complicated to manage. What is more unfavorable is that the background noise of the gamma ray is relatively large, the response time is long, and the measurement accuracy is relatively low. Thick instrument. X-ray thickness gauges are more and more used in strip rolling production lines. The principle is that when X-rays pen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B15/02
Inventor 周中成林律行冯桦邢红赵永康顾原常喜福左金丛
Owner 北京北科合作仪器厂
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