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An automatic calibration device for an ultrasonic level meter and its application method

An automatic calibration and ultrasonic technology, applied in the direction of testing/calibration devices, measuring devices, instruments, etc., can solve the problems of poor reproducibility, low precision, inconvenient calibration operation, etc., and achieve the effect of simple operation, high measurement accuracy and simple structure

Active Publication Date: 2022-01-28
SANMEN NUCLEAR POWER CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] One of the technical purposes of the present invention is to provide an automatic calibration device for ultrasonic level gauges to solve the problems of inconvenient calibration operation, low precision and poor reproducibility in the prior art

Method used

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  • An automatic calibration device for an ultrasonic level meter and its application method
  • An automatic calibration device for an ultrasonic level meter and its application method
  • An automatic calibration device for an ultrasonic level meter and its application method

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Embodiment Construction

[0035] Below in conjunction with accompanying drawing, the present invention will be further described by specific embodiment:

[0036] See figure 1 , an embodiment of an automatic calibration device for an ultrasonic level meter, including a PLC control platform, and also includes an underframe 1, a linear drive module 2, a fixed base 3, a movable base 4, a distance measuring sensor 8, a displacement sensor 7, The probe is installed with a seat plate 5 and an acoustic reflection plate 6, the linear drive module 2 is connected to the base frame 1, the movable base 4 is connected to the linear drive module 2 and driven by it reciprocatingly, and the fixed base 3 is connected to the base frame 1 Above, the fixed base 3 is located on the extension line of the moving path of the movable base 4. In this embodiment, the fixed base 3 is adjacent to the end side of the linear drive module 2. The linear drive module 2, the distance sensor 8. The displacement sensors 7 are electrically...

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Abstract

An automatic calibration device for an ultrasonic level gauge, comprising a base frame, a linear drive module, a fixed base, a movable base, a distance measuring sensor, a displacement sensor, a probe mounting plate and an acoustic reflection plate; and an ultrasonic level gauge The method of using the automatic calibration device includes the steps of the first range not exceeding the effective stroke of the linear drive module and the step of the second range exceeding the effective stroke of the linear drive module. The device of the present invention is simple in structure and easy to assemble, and its use method is also very simple and quick, and can meet the two calibration requirements of small range and large range. The acoustic reflector can be installed on the movable base and cooperate with an external fixed-size plane to realize the calibration process with short time, high efficiency, easy operation, high measurement accuracy and good reproducibility, and a high degree of automation. promotion in this field.

Description

technical field [0001] The invention relates to the technical field of level measurement, in particular to an automatic calibration device for an ultrasonic level meter and a method for using the same. Background technique [0002] As a non-contact level measuring instrument, the ultrasonic level meter has the characteristics of high measurement accuracy, easy installation, and basically maintenance-free. It is often used to measure the level of materials in various containers. The basic principle is to send out high-frequency pulsed sound waves through the ultrasonic transducer (level probe), and the sound waves meet the surface of the material and reflect back to the reflected wave, which is received by the transducer again and converted into an electrical signal. The product of the speed of the sound wave and the sound wave travel time is twice the sound wave travel distance. The height of the actual material level in the container can be obtained by installing a fixed h...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01F25/00
CPCG01F25/20
Inventor 王超白凌齐王召永张晓臣周斌尹继超文波陈双庆
Owner SANMEN NUCLEAR POWER CO LTD
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