CN207180585U - A kind of underground piping dimension measuring device - Google Patents

A kind of underground piping dimension measuring device Download PDF

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Publication number
CN207180585U
CN207180585U CN201721197594.5U CN201721197594U CN207180585U CN 207180585 U CN207180585 U CN 207180585U CN 201721197594 U CN201721197594 U CN 201721197594U CN 207180585 U CN207180585 U CN 207180585U
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China
Prior art keywords
electromagnetic wave
underground piping
buried depth
underground
signal preprocessing
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CN201721197594.5U
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Chinese (zh)
Inventor
罗雪
芮径
袁禾
李欣洋
李伟
蔡正杰
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Guizhou Power Grid Co Ltd
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Guizhou Power Grid Co Ltd
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Abstract

The utility model discloses a kind of underground piping dimension measuring device, including electromagnetic wave saturating ground equipment, signal preprocessing device, buried depth locator, line size measuring appliance, imaging processor and aobvious control instrument, signal preprocessing device is connected with electromagnetic wave saturating ground equipment, buried depth locator is connected with signal preprocessing device, line size measuring appliance is connected with buried depth locator, imaging processor is connected with signal preprocessing device, buried depth locator and line size measuring appliance respectively, and aobvious control instrument is connected with imaging processor;The utility model realize can not only Underground pipeline position, and energy accurate measurement underground piping size, while lossless non-contact measurement can be realized, to underground surrounding medium and underground piping without destruction, also the dimension information of different depth underground piping can under the antenna of different frequency, be detected.

Description

A kind of underground piping dimension measuring device
Technical field
It the utility model is related to a kind of underground piping measurement apparatus, more particularly to a kind of measurement dress of underground piping size Put.
Background technology
Underground Electromagnetic Waves Detection Techniques are a kind of lossless detection systems, and mainly using electromagnetic wave, electromagnetic property is not in medium The detection to underground objective body is realized in reflection and scattering caused by continuous place;But the device of existing Underground pipeline is only at present The target locations such as underground cavity, pipeline cavities can be positioned, it is impossible to obtain detecting the dimension information of target, when underground piping is present During some defects, existing detection method can only do qualitative analysis to defect, can not detect dimension information and quantitatively estimate to lack The sunken order of severity, therefore the quality condition of underground piping accurately in depth can not be assessed and monitor, can not be to defect processing Material requested dosage effectively assess and calculated, and for the serious consequence caused by underground piping defect is possible, can not be adopted in advance Pin effective measures are taken to be remedied, therefore, the device for developing a set of energy Underground duct size information has important Meaning.
Utility model content
The technical problems to be solved in the utility model:A kind of underground piping dimension measuring device is provided, it is existing at present to solve Some detection devices can only position the position of underground piping, it is impossible to the problem of accurate measurement underground piping size.The utility model Technical scheme be:
A kind of underground piping dimension measuring device, including the positioning of electromagnetic wave saturating ground equipment, signal preprocessing device, buried depth Device, line size measuring appliance, imaging processor and aobvious control instrument, signal preprocessing device are connected with electromagnetic wave saturating ground equipment Connect, buried depth locator is connected with signal preprocessing device, and line size measuring appliance is connected with buried depth locator, imaging Device is connected with signal preprocessing device, buried depth locator and line size measuring appliance respectively, shows control instrument and imaging processor It is connected;
Described electromagnetic wave saturating ground equipment includes electromagnetic wave saturating ground main frame, antenna emitter and antenna receiver, electromagnetic wave Saturating ground main frame is connected with antenna emitter and antenna receiver, and distance is fixed between antenna emitter and antenna receiver;
The beneficial effects of the utility model:
The utility model provides a kind of underground piping dimension measuring device, realizes the position that can not only position underground piping Information, while energy accurate measurement underground piping size, meanwhile, the utility model can realize lossless non-contact measurement, to underground Without destruction, the size that under the antenna of different frequency, can also detect different depth underground piping is believed for surrounding medium and underground piping Breath, when underground piping has some defects, can detect the order of severity that dimension information quantitatively estimates defect, can be accurately deep Assess and monitor the quality condition of underground piping with entering.
Brief description of the drawings:
Fig. 1 is the utility model apparatus structure block diagram;
Fig. 2 is electromagnetic wave saturating ground device structure block diagram;
Fig. 3 is the utility model experimental model schematic diagram;
Identified in figure:1st, electromagnetic wave saturating ground equipment, 2, signal preprocessing device, 3, buried depth locator, 4, line size Measuring appliance, 5, imaging processor, 6, aobvious control instrument, 7, electromagnetic wave saturating ground main frame, 8, antenna emitter, 9, antenna receiver.
Embodiment:
A kind of underground piping dimension measuring device, electromagnetic wave saturating ground equipment 1, signal preprocessing device 2, buried depth locator 3rd, line size measuring appliance 4, imaging processor 5 and aobvious control instrument 6, signal preprocessing device 2 and electromagnetic wave saturating ground equipment 1 It is connected, buried depth locator 3 is connected with signal preprocessing device 2, and line size measuring appliance 4 is connected with buried depth locator 3, Imaging processor 5 is connected with signal preprocessing device 2, buried depth locator 3 and line size measuring appliance 4 respectively, shows control instrument 6 It is connected with imaging processor 5.
The operation principle of electromagnetic wave saturating ground equipment 1 is to be based on electromagnetic wave saturating ground technical principle:From transmitting antenna to underground piping Field emission electromagnetic wave, and the echo-signal returned by reception antenna acquisition buried target body reflection electromagnetic wave;
The echo-signal of acquisition is carried out the pretreatment such as mean filter by signal preprocessing device 2, to improve echo-signal Signal to noise ratio;
Pretreated hyperbola echo-signal is identified buried depth locator 3 and feature extraction, so as to obtain underground The buried depth position of pipeline, electromagnetic wave are in the velocity of wave of underground medium and the relative dielectric constant of underground medium;
Line size measuring appliance 4 is according to the intersection point of two asymptotes of hyperbola of extraction, so as to obtain buried pipe track forces Very little information;
Imaging processor 5 combines buried depth coordinate information and dimension information, generates three dimensional space coordinate information;
Aobvious control instrument 6 exports the three dimensional space coordinate of underground piping into image.
Described electromagnetic wave saturating ground equipment 1 includes electromagnetic wave saturating ground main frame 7, antenna emitter 8 and antenna receiver 9, electricity Magnetic wave saturating ground main frame 7 is connected with antenna emitter 8 and antenna receiver 9, for launching and receiving electromagnetic wave signal, antenna transmitting Distance is fixed between device 8 and antenna receiver 9:
For electromagnetic wave saturating ground equipment 1 in Underground objective body, antenna emitter 8 and antenna receiver 9 are with constant spacing Moved along survey line, horizontal direction serial section information, the signal that electromagnetic echoes signal receives according to antenna receiver 9 can be obtained Generate B-SCAN figures, the displacement of image abscissa record reception antenna in the horizontal direction, ordinate record echo reflection time, root The target depth of burying or interface are estimated according to electromagnetic wave propagation speed vertical component in echo reflection time and measured medium Position, therefore the position of the section with reference to where abscissa information can substantially determine target in survey line.
A kind of underground piping dimension measuring device, job step are as follows:
Step 1, after choosing the antenna of certain frequency, the utilization of electromagnetic wave saturating ground equipment 1 section reflection mode Underground is not Know pipeline;
Step 2, the hyperbola echo-signal to acquisition is pre-processed and feature extraction, obtains hyperbola apex coordinate (x0,t0), and obtain value of wave speed;
Step 3, calculate acquisition hyperbola asymptote intersection point (d, c);
The relation of step 4, the hyperbola asymptote intersection point that basis is derived from and underground pipingIt is calculated ground The radius of lower pipeline, v is velocity of wave in formula, and R is underground piping radius;
The buried depth and sized data that step 5, imaging processor 5 obtain according to calculating, generate three-dimensional coordinate information;
The three-dimensional coordinate of imaging processor 5 is output to three-dimensional coordinate image by step 6, aobvious control instrument 6.

Claims (2)

1. a kind of underground piping dimension measuring device, including electromagnetic wave saturating ground equipment (1), signal preprocessing device (2), buried depth Locator (3), line size measuring appliance (4), imaging processor (5) and aobvious control instrument (6), it is characterised in that:Echo-signal Preprocessor (2) is connected with electromagnetic wave saturating ground equipment (1), and buried depth locator (3) is connected with signal preprocessing device (2), Line size measuring appliance (4) is connected with buried depth locator (3), imaging processor (5) respectively with signal preprocessing device (2), buried depth locator (3) and line size measuring appliance (4) are connected, and aobvious control instrument (6) is connected with imaging processor (5).
A kind of 2. underground piping dimension measuring device according to claim 1, it is characterised in that:Described electromagnetic wave is thoroughly Equipment (1) includes electromagnetic wave saturating ground main frame (7), antenna emitter (8) and antenna receiver (9), electromagnetic wave saturating ground main frame (7) with Antenna emitter (8) and antenna receiver (9) are connected, and distance is fixed between antenna emitter (8) and antenna receiver (9).
CN201721197594.5U 2017-09-19 2017-09-19 A kind of underground piping dimension measuring device Active CN207180585U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721197594.5U CN207180585U (en) 2017-09-19 2017-09-19 A kind of underground piping dimension measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721197594.5U CN207180585U (en) 2017-09-19 2017-09-19 A kind of underground piping dimension measuring device

Publications (1)

Publication Number Publication Date
CN207180585U true CN207180585U (en) 2018-04-03

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CN201721197594.5U Active CN207180585U (en) 2017-09-19 2017-09-19 A kind of underground piping dimension measuring device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107677197A (en) * 2017-09-19 2018-02-09 贵州电网有限责任公司 A kind of volume measurement device and measuring method of buried target body
CN115793035A (en) * 2022-11-11 2023-03-14 北京信息科技大学 Underground nonmetal pipeline detection system and method based on sound wave active excitation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107677197A (en) * 2017-09-19 2018-02-09 贵州电网有限责任公司 A kind of volume measurement device and measuring method of buried target body
CN115793035A (en) * 2022-11-11 2023-03-14 北京信息科技大学 Underground nonmetal pipeline detection system and method based on sound wave active excitation

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