Pipeline length measuring device for pipeline full of incompressible fluid

A technology of pipeline length and measuring devices, applied in the direction of measuring devices, using wave/particle radiation, instruments, etc., to achieve the effect of improving measurement speed and measurement accuracy

Inactive Publication Date: 2012-04-18
SOUTHEAST UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the defects of the prior art and provide a pipeline length measuring device for pipelines filled with incompressible fluids, to provide accurate pipeline length data for engineer

Method used

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  • Pipeline length measuring device for pipeline full of incompressible fluid
  • Pipeline length measuring device for pipeline full of incompressible fluid
  • Pipeline length measuring device for pipeline full of incompressible fluid

Examples

Experimental program
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Effect test

Embodiment 1

[0023] see figure 2 , the figure shows that the pipeline length measuring device 1 of the present invention is used to measure the length of the vertical single U-shaped underground pipe 3, the pipeline inlet joint 15 is connected with the inlet 31 of the vertical single U-shaped buried pipe 3, and the pipeline outlet joint 16 and its The outlet 32 ​​is connected, the pressure wave transmitter 13 injects liquid (for example: water) into the pipeline and pressurizes, and the pressure wave receiver 14 closes the outlet 32 ​​of the buried pipe 3 . Since the buried pipe 3 is deeply buried in the soil and remains fixed, the injected liquid can be regarded as an incompressible fluid. When the pressure at the pressure wave transmitter 13 changes, the liquid in the buried pipe 3 can well transfer this The changes are transmitted to the pressure wave receiver 14 at a certain speed. When measuring the length of the buried pipe, one type of pressure wave is generated and sent by the pr...

Embodiment 2

[0025] see image 3 , the figure shows that the pipeline length measuring device 1 of the present invention is used to measure the length of the horizontal buried pipe 4, the pipeline inlet joint 15 is connected with the inlet 41 of the horizontal buried pipe 4, and the pipeline outlet joint 16 is connected with its outlet 42, the measurement principle And method is identical with embodiment 1.

[0026] The pipeline length measuring device of the present invention can also measure the length of pipelines in other laying forms, not limited to the buried pipe forms shown in Embodiment 1 and Embodiment 2.

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Abstract

The invention discloses a pipeline length measuring device for a pipeline full of incompressible fluid. The pipeline length measuring device comprises a pressure wave signal collecting analyzer, pressure wave signal collecting wires, a pressure wave emitter, a pressure wave receiver, a pipeline inlet joint and a pipeline outlet joint, wherein the pressure wave signal collecting analyzer is respectively connected with the pressure wave emitter and the pressure wave receiver by the pressure wave signal collecting wires, the pipeline inlet joint is arranged on the pressure wave emitter, and the pipeline outlet joint is arranged on the pressure wave receiver. According to the measuring device disclosed by the invention, the pressure wave emitter is arranged on a pipeline inlet, the pressure wave receiver is arranged on a pipeline outlet and used for receiving the pressure wave sent by the pressure wave emitter, and the actual length of the pipeline is figured out according to a time difference or a phase difference for transmitting and receiving the pressure wave, thus the measuring speed and the measuring precision for measurement of the length of the pipeline are increased.

Description

technical field [0001] The invention relates to a measuring device for the length of a pipeline, in particular to a measuring device for measuring the length of a pipeline filled with incompressible fluid, and is especially suitable for measuring the length of buried pipelines of ground source heat pumps. Background technique [0002] With the urgent need of building energy conservation in our country, the development and utilization of geothermal energy has been widely valued. The ground source heat pump system is a kind of heat pump system that is widely used at present because of its reliable operation, high efficiency and energy saving, and low maintenance cost. The working principle of the soil source heat pump system is: under winter conditions, heat is collected from the soil through the buried tube heat exchanger to supply heat to the room; under summer conditions, the heat collected from the room is discharged through the ground tube heat exchanger into the soil. ...

Claims

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Application Information

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IPC IPC(8): G01B15/00
Inventor 陈九法陈军伟高龙庞丽颖徐相梅朱晟
Owner SOUTHEAST UNIV
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