CN102721981A - Underground pipeline distribution detection device and method based on rectangular hollow core sensor array - Google Patents
Underground pipeline distribution detection device and method based on rectangular hollow core sensor array Download PDFInfo
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- CN102721981A CN102721981A CN2012102323910A CN201210232391A CN102721981A CN 102721981 A CN102721981 A CN 102721981A CN 2012102323910 A CN2012102323910 A CN 2012102323910A CN 201210232391 A CN201210232391 A CN 201210232391A CN 102721981 A CN102721981 A CN 102721981A
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- 230000001939 inductive effect Effects 0.000 abstract 1
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Abstract
The invention discloses an underground pipeline distribution detection device and an underground pipeline distribution detection method based on a rectangular hollow core sensor array, which are used for measuring the trend situations of underground metal pipelines, cables and the like. The device comprises a rectangular hollow core sensor array, a gating switch, an inductance measuring meter and a host computer, wherein the rectangular hollow core sensor array is formed by combining multiple groups of strip-shaped coils wound on a rectangular hollow core; the terminal of each group of strip-shaped coils is connected with the input end of the inductance measuring meter through the gating switch; and the inductance measuring meter can be used for measuring the inductance value of each group of strip-shaped coils, and introducing the inductance value into the host computer through a data wire for analyzing. According to the device and the method, the distribution and trend of an underground pipeline can be detected conveniently and accurately by directly detecting the sensor inductive change above the pipeline ground under the condition of no excavation, no covering earth, no activation, no true contact or no influence on normal use.
Description
Technical field
The invention belongs to the electromagnetic sensing technology field, be specifically related to a kind of underground pipeline distribution detecting apparatus and method based on the rectangular hollow-core sensor array.
Background technology
Underground pipeline, cable have obtained using extremely widely in current city fundamental construction, in the economic development of country and the people's productive life, occupy position of crucial importance.It is the important means that detects and protect its safe operation that the distribution of underground pipeline, cable is surveyed.The successful exploitation of underground pipeline distribution Detection Techniques will be played underground pipeline, the cable security operation guaranteed; Make things convenient for the examination and the maintenance of underground pipeline, cable; Simultaneously can avoid unnecessary destruction to underground pipeline, cable; Significantly reduce because of the frequent caused loss of overhaul, prevent in the work progress fund and the time of urban construction has been practiced thrift in the infringement of underground pipeline, cable greatly.
In available research achievements, underground metallic conduit is surveyed and is adopted transmitter excitation pipeline mostly, and the method that the receiver induction is accepted is surveyed.In the method, transmitter need encourage metallic conduit or cable, must carry out hardware with pipeline or cable and be connected, and require transmitter as far as possible near target pipeline, and quantities is big, and requirement condition is harsh, even will fix a point to excavate earthing and could realize, inconvenience is implemented.Require receiver can not the range transmission machine too near in addition, in case the direct interference of transmitter has caused again and detected the inconvenience of implementing.
Summary of the invention
The invention provides a kind of underground pipeline distribution detecting apparatus and method based on the rectangular hollow-core sensor array; Can do not excavate earthing, need not to encourage, really contactless, do not influence under the situation of normal use, the sensors inductance that is positioned at top, the pipeline face of land through direct detection changes can make things convenient for the distribution trend that detects underground pipeline accurately.
In order to achieve the above object, the present invention realizes through following technical scheme:
A kind of underground pipeline distribution detecting apparatus based on the rectangular hollow-core sensor array is used to measure the situation of moving towards of underground metallic conduit, cable etc., is characterized in, comprises rectangular hollow-core sensor array, gating switch, inductance measuring meter and host computer;
Described rectangular hollow-core sensor array is formed by the strip coil combination of some groups of coilings on rectangular hollow-core, and the terminals of every group leader's bar shaped coil link to each other with the input end of inductance measuring meter through gating switch;
Described inductance measuring meter can be measured the inductance value of every group leader's bar shaped coil, through data line inductance value is imported host computer analysis.
Every group of described strip coil length and width dimension scale is 2 ~ 10.
The number of turns of every group of described strip coil is between 3 ~ 200, and the diameter of coiling is between 0.1mm ~ 10mm.
A kind of described sniffer of claim 1 that utilizes is measured the method that underground pipeline distributes, and is characterized in that this method comprises following steps:
Step 1, when not having object around the rectangular hollow-core sensor array,, make inductance measuring meter measure the inductance value of every group leader's bar shaped coil successively, be sent to host computer through data line again through the control gating switch;
Step 2, at detecting location upper fixed rectangular hollow-core sensor array, require its horizontal positioned, guarantee that with this each group leader's bar shaped coil equates apart from floor level; Through the control gating switch, make inductance measuring meter measure the inductance value of every group leader's bar shaped coil successively, send into host computer through data line again;
Step 3, host computer be through calculating relatively, do not have object around confirming and the maximum group leader's bar shaped coil of inductance changing value above detecting location the time, and the trend of underground pipeline is promptly approximate parallel with this group coil.
The present invention compared with prior art has the following advantages:
The present invention realized do not excavate earthing, need not to encourage, really contactless, do not influence under the situation of normal use, confirm underground metallic conduit, cable distribution trend quickly and easily.Relative prior art, this technology is more practical, more convenient, more easy to operate, is one of the most feasible underground utilities lossless detection instrument.
Description of drawings
Fig. 1 is the structural representation that the present invention is based on the underground pipeline distribution detecting apparatus of rectangular hollow-core sensor array;
Fig. 2 is the structural representation of rectangular hollow-core sensor array of the present invention.
Embodiment
Below in conjunction with accompanying drawing,, the present invention is done further elaboration through specifying a preferable specific embodiment.
As shown in Figure 1; A kind of underground pipeline distribution detecting apparatus based on the rectangular hollow-core sensor array; Be used to measure the situation of moving towards of underground metallic conduit, cable etc., it is characterized in that, comprise rectangular hollow-core sensor array 1, gating switch 2, inductance measuring meter 3 and host computer 4;
Described rectangular hollow-core sensor array 1 combines (referring to Fig. 2) by the strip coil 11 of 4 groups of coilings on rectangular hollow-core, and the terminals of every group leader's bar shaped coil 11 link to each other with the input end of inductance measuring meter 3 through gating switch 2;
Described inductance measuring meter 3 can be measured the inductance value of every group leader's bar shaped coil 11, through data line inductance value is imported host computer 4 and analyzes.
Every group of described strip coil 11 length and width dimension scales are 2 ~ 10.
The number of turns of every group of described strip coil 11 is between 3 ~ 200, and the diameter of coiling is between 0.1mm ~ 10mm.
A kind of method of utilizing above-mentioned sniffer to measure the underground pipeline distribution comprises following steps:
Step 1, when around rectangular hollow-core sensor array 1, not having object,, make inductance measuring meter 3 measure the inductance value of every group leader's bar shaped coil 11 successively, be sent to host computer 4 through the usb data line again through control gating switch 2;
Step 2, at detecting location upper fixed rectangular hollow-core sensor array 1, require its horizontal positioned, guarantee that with this each group leader's bar shaped coil 11 equates apart from floor level; Through control gating switch 2, make inductance measuring meter 3 measure the inductance value of every group leader's bar shaped coil 11 successively, send into host computer 4 through the usb data line again;
Step 3, host computer 4 be through calculating relatively, do not have object around confirming and the maximum group leader's bar shaped coil 11 of inductance changing value above detecting location the time, and the trend of underground pipeline is promptly approximate parallel with this group coil.Because this moment, underground pipeline was parallel with coil,, cause the inductance changing value of this coil also maximum to having the greatest impact of the original magnetic circuit of this coil.
In sum; The present invention a kind of underground pipeline distribution detecting apparatus and method based on the rectangular hollow-core sensor array; Can do not excavate earthing, need not to encourage, really contactless, do not influence under the situation of normal use, the sensors inductance that is positioned at top, the pipeline face of land through direct detection changes can make things convenient for the distribution trend that detects underground pipeline accurately.
Although content of the present invention has been done detailed introduction through above-mentioned preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple modification of the present invention with to substitute all will be conspicuous.Therefore, protection scope of the present invention should be limited appended claim.
Claims (4)
1. underground pipeline distribution detecting apparatus based on the rectangular hollow-core sensor array; Be used to measure the situation of moving towards of underground metallic conduit, cable etc.; It is characterized in that, comprise rectangular hollow-core sensor array (1), gating switch (2), inductance measuring meter (3) and host computer (4);
Described rectangular hollow-core sensor array (1) is combined by the strip coil (11) of some groups of coilings on rectangular hollow-core, and the terminals of every group leader's bar shaped coil (11) link to each other with the input end of inductance measuring meter (3) through gating switch (2);
Described inductance measuring meter (3) can be measured the inductance value of every group leader's bar shaped coil (11), through data line inductance value is imported host computer (4) and analyzes.
2. the underground pipeline distribution detecting apparatus based on the rectangular hollow-core sensor array according to claim 1 is characterized in that, every group of described strip coil (11) length and width dimension scale is 2 ~ 10.
3. the underground pipeline distribution detecting apparatus based on the rectangular hollow-core sensor array according to claim 1 is characterized in that, the number of turns of every group of described strip coil (11) is between 3 ~ 200, and the diameter of coiling is between 0.1mm ~ 10mm.
4. one kind is utilized the described sniffer of claim 1 to measure the method that underground pipeline distributes, and it is characterized in that this method comprises following steps:
Step 1, at rectangular hollow-core sensor array (1) when not having object on every side, through control gating switch (2), make inductance measuring meter (3) measure the inductance value of every group leader's bar shaped coil (11) successively, be sent to host computer (4) through data line again;
Step 2, at detecting location upper fixed rectangular hollow-core sensor array (1), require its horizontal positioned, guarantee that with this each group leader's bar shaped coil (11) equates apart from floor level; Through control gating switch (2), make inductance measuring meter (3) measure the inductance value of every group leader's bar shaped coil (11) successively, send into host computer (4) through data line again;
Step 3, host computer (4) be through calculating relatively, do not have object around confirming and the maximum group leader's bar shaped coil (11) of inductance changing value above detecting location the time, and the trend of underground pipeline is promptly approximate parallel with this group coil.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210232391.0A CN102721981B (en) | 2012-07-06 | 2012-07-06 | Underground pipeline distribution detection device and method based on rectangular hollow core sensor array |
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| CN201210232391.0A CN102721981B (en) | 2012-07-06 | 2012-07-06 | Underground pipeline distribution detection device and method based on rectangular hollow core sensor array |
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| CN102721981A true CN102721981A (en) | 2012-10-10 |
| CN102721981B CN102721981B (en) | 2014-09-03 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928066A (en) * | 2012-11-19 | 2013-02-13 | 上海海事大学 | Bridge amplitude detection device and bridge amplitude detection method based on triangular amplitude detection sensor |
| CN103840403A (en) * | 2014-03-31 | 2014-06-04 | 国网上海市电力公司 | Cable construction method |
| CN107209281A (en) * | 2015-01-30 | 2017-09-26 | 麦特罗特克公司 | The antenna positioned for underground line |
| CN111580173A (en) * | 2020-06-04 | 2020-08-25 | 山东大学 | Metal object detection sensor and detection device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040202047A1 (en) * | 2003-04-08 | 2004-10-14 | Fripp Michael L. | Hybrid piezoelectric and magnetostrictive actuator |
| CN101725834A (en) * | 2008-10-24 | 2010-06-09 | 中国石油天然气管道局 | Magnetic sensor for pipeline crawling device |
-
2012
- 2012-07-06 CN CN201210232391.0A patent/CN102721981B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040202047A1 (en) * | 2003-04-08 | 2004-10-14 | Fripp Michael L. | Hybrid piezoelectric and magnetostrictive actuator |
| CN101725834A (en) * | 2008-10-24 | 2010-06-09 | 中国石油天然气管道局 | Magnetic sensor for pipeline crawling device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928066A (en) * | 2012-11-19 | 2013-02-13 | 上海海事大学 | Bridge amplitude detection device and bridge amplitude detection method based on triangular amplitude detection sensor |
| CN102928066B (en) * | 2012-11-19 | 2015-01-07 | 上海海事大学 | Bridge amplitude detection device and bridge amplitude detection method based on triangular amplitude detection sensor |
| CN103840403A (en) * | 2014-03-31 | 2014-06-04 | 国网上海市电力公司 | Cable construction method |
| CN107209281A (en) * | 2015-01-30 | 2017-09-26 | 麦特罗特克公司 | The antenna positioned for underground line |
| CN107209281B (en) * | 2015-01-30 | 2020-08-28 | 麦特罗特克公司 | Antenna for underground line positioning |
| CN111580173A (en) * | 2020-06-04 | 2020-08-25 | 山东大学 | Metal object detection sensor and detection device |
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| CN102721981B (en) | 2014-09-03 |
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