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Waveguide Length Measuring Device and Measuring Method for Radar Level Gauge

A radar liquid level gauge and length measurement technology, which is applied to measurement devices, mechanical measurement devices, and mechanical devices, etc., to achieve high measurement accuracy, reduce repetitive development work, and reduce the effects of artificial factors.

Active Publication Date: 2017-02-01
康士伯船舶电气(江苏)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] 2) Length measurement: The measurement accuracy of the waveguide is required to be within ±0.1mm, because the maximum length of the waveguide is about 6m. With the existing measurement tools, the precise length can be obtained by direct observation;

Method used

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  • Waveguide Length Measuring Device and Measuring Method for Radar Level Gauge

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Embodiment Construction

[0021] Below in conjunction with accompanying drawing and specific embodiment, further illustrate the present invention, should be understood that these embodiments are only for illustrating the present invention and are not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand various aspects of the present invention Modifications in equivalent forms all fall within the scope defined by the appended claims of this application.

[0022] as attached figure 1 As shown, a waveguide length measuring device for radar liquid level gauge is based on instrumentation technology, computer technology, automatic control technology and testing technology, adopts modular structure and communication protocols such as RS232 bus, and according to waveguide design requirements , developed a system with a high degree of openness, automation and applicability. It mainly includes horizontal lathe 1, digital micromet...

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Abstract

The invention discloses a waveguide tube length measuring device for a radar liquid level meter. The waveguide tube length measuring device comprises a horizontal lathe, a digital micrometer with a communicating module, a sliding box and a computer, wherein the sliding box is provided with a three-axis grating ruler and a communicating module of the three-axis grating ruler. The digital micrometer and the three-axis grating ruler are connected with the computer for data transmission. A guide rail of the horizontal lathe is provided with a height adjustable support. The invention discloses a measuring method using the device. The measuring device has the advantages that the measuring process is automatic, the production efficiency is greatly improved, and therefore the batch production requirement is met; the measuring device can adapt to waveguide tubes different in length, and repeated development work is reduced; the measuring precision is high, repeatability is good, and the influence of artificial factors is reduced to the greatest extent; a database is adopted for recording measuring data, and therefore the traceability of products can be improved.

Description

technical field [0001] The invention relates to a waveguide length measuring device for a liquefied natural gas radar liquid level gauge and a measuring method thereof. Background technique [0002] With the progress of human society and the rapid development of economy, the demand for energy in today's society is getting stronger and stronger. As a clean and efficient energy source, liquefied natural gas is widely used, and the global trade volume is also increasing. The radar waveguide is used in the liquid level height measurement of the liquefied natural gas tank. It provides a directional propagation structure for the electromagnetic wave. Multiple waveguides are spliced ​​together through flanges. The Teflon sheets at the nodes can provide a fixed length for radar ranging. reference point. Because of this, the length accuracy of the waveguide has a direct impact on the accuracy of the radar level gauge. [0003] The following technical difficulties exist in the exis...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B5/02G01B11/02
Inventor 杨震倪益武
Owner 康士伯船舶电气(江苏)有限公司
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