CN104574831A - Sound wave monitoring method and device - Google Patents
Sound wave monitoring method and device Download PDFInfo
- Publication number
- CN104574831A CN104574831A CN201410786401.4A CN201410786401A CN104574831A CN 104574831 A CN104574831 A CN 104574831A CN 201410786401 A CN201410786401 A CN 201410786401A CN 104574831 A CN104574831 A CN 104574831A
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- China
- Prior art keywords
- sound wave
- steel pipe
- wave monitoring
- surface sensor
- transmitter
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/10—Alarms for ensuring the safety of persons responsive to calamitous events, e.g. tornados or earthquakes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
- G01H1/12—Measuring characteristics of vibrations in solids by using direct conduction to the detector of longitudinal or not specified vibrations
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention relates to the field of electrical power system maintenance, in particular to a sound wave monitoring method and a sound wave monitoring device for a side slope upper electric transmission line tower. The sound wave monitoring device comprises a sound wave receiver arranged at the bottom of a steel tube; the sound wave monitoring method comprises the following steps: the sound wave receiver receives the sound wave signal generated by slope interior structure change; the sound wave receiver transmits the sound wave signal to a ground sensor through a metallic conductor; the ground sensor compares the strength of the sound wave signal with the preset threshold value; if the strength of the sound wave signal is higher than the threshold value, then the ground sensor notifies an emitter arranged at the top of the tower to send an alarm signal to an operation and maintenance inspection department. The sound wave monitoring method and the sound wave monitoring device for judging the stability of the side slope upper electric transmission line tower, provided by the invention, solve the problem that at present, the effective measures for judging the side slope stability are lacked, can effectively shorten the patrol inspection times of the operation and maintenance inspection department, lowers the cost, and is simple to mount and low in cost.
Description
Technical field
The present invention relates to a kind of electric system area of maintenance, particularly a kind of side slope top electric power line pole tower sound wave monitoring method and apparatus.
Background technology
Electric system mainly comprises the generator of generating plant, step-up substation, transmission line of electricity, stepdown substation, distribution system and user's composition, and wherein transmission line of electricity is the important component part of whole system.
At present, in power engineering field, engineering geology specialty is in early days in design process, the principle dodging geologic hazard is taked as far as possible to work transmission line, such as avalanche, landslide, rubble flow etc., but by after operation for many years, due to the impact of the various factors such as rainfall, artificial excavation, earthquake, make stable slope body originally become unstable slope body, for the electric power line pole tower being positioned over top, the instability of slope body will be the biggest threat to safe operation.For this reason, the O&M controlling unit of electric system needs regularly to patrol to this type of shaft tower, common method is exactly observe the change of massif shape, or embedding displacement stake regularly carries out deformation measurement,, hillside changes shape also just may not cause landslide, probably misleads early warning, lack the effective judgement to slope texture, work efficiency is lower.
For addressing these problems, the sound wave monitoring method and apparatus being applicable to side slope top electric power line pole tower judgement of stability need be invented.
Summary of the invention
The object of the invention is to solve and lack the problem that effective means judges electric power line pole tower place, side slope top slope texture at present, provide the sound wave monitoring method and apparatus of a kind of side slope top electric power line pole tower judgement of stability.
A kind of sound wave monitoring method provided by the invention comprises the acoustic signals that the acoustic receiver be positioned at bottom steel pipe receives slope body inner structure variation generation, described acoustic signals is passed to surface sensor by plain conductor by described acoustic receiver, after the intensity of described acoustic signals compares with the threshold value preset by described surface sensor, if the intensity of described acoustic signals is greater than described threshold value, then the transmitter that described surface sensor notice is positioned at head of mast sends alerting signal to O&M controlling unit.
Further, described steel pipe is high-strength thin-walled steel pipe.
Further, described steel pipe is embedded in boring, uses gravel between described boring and described steel pipe.
Further, described transmitter sends described early warning information by mobile communications network.
Further, described alerting signal is divided into N number of grade according to the intensity of described acoustic signals, and the intensity of described acoustic signals is larger, and described higher grade, wherein, N be greater than 1 integer.
Further, after O&M controlling unit receives described alerting signal, adjust the transmittability of described shaft tower place transmission line of electricity.
A kind of sound wave monitoring device provided by the invention comprises acoustic receiver (1), steel pipe (2), plain conductor (3), surface sensor (4), transmitter (5), wherein, it is inner that described acoustic receiver (1) is positioned over described steel pipe (2), and connect described surface sensor (4) by described plain conductor (3), described surface sensor (4) connects described transmitter (5), and described transmitter (5) is positioned at the top of shaft tower.
Further, described steel pipe (2) is high-strength thin-walled steel pipe.
Further, described steel pipe (2) is embedded in boring, uses gravel between described boring and described steel pipe (2).
Further, described surface sensor (4) calculates the intensity of acoustic wave value received, if described intensity of acoustic wave value is greater than the threshold value preset, then described surface sensor (4) notifies that described transmitter (5) sends early warning information to O&M controlling unit.
Preferably, described transmitter sends described early warning information by mobile communications network.
The sound wave monitoring method and apparatus of a kind of side slope top provided by the invention electric power line pole tower judgement of stability, solve and lack the problem that effective means judges electric power line pole tower place, side slope top slope texture at present, early stage slope instability is provided to forecast by detecting soil vibration, to the accident that power department slope instability causes, there is early prediction effect, that effectively can reduce O&M controlling unit patrols and examines number of times, reduce costs, and install simple, with low cost.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from instructions, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in write instructions, claims and accompanying drawing and obtain.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the workflow diagram of sound wave monitoring method of the present invention;
Fig. 2 is acoustic detector of the present invention.
Embodiment
Functional overview
Consider that lacking effective means at present judges the problem of electric power line pole tower place, side slope top slope texture and make the present invention, provides the sound wave monitoring method and apparatus of a kind of side slope top electric power line pole tower judgement of stability, to solve relevant issues.
Below in conjunction with accompanying drawing, embodiments of the invention are described.It should be noted that, when not conflicting, the technical characteristic in embodiments of the invention and embodiment can be combined with each other, all within protection scope of the present invention.In addition, for convenience of description, employ step number hereinafter, but this should not be construed as limitation of the present invention, in addition, although each step described in following methods shows logical order in flow charts, in some cases, can be different from the step shown or described by order execution herein.
Embodiment of the method
According to embodiments of the invention, provide a kind of sound wave monitoring method.
Fig. 1 shows the process flow diagram of the sound wave monitoring method according to the inventive method embodiment, comprises the steps:
Step S102, the acoustic receiver be positioned at bottom steel pipe receives the acoustic signals that slope body inner structure variation produces, and described acoustic signals is passed to surface sensor by plain conductor by described acoustic receiver;
Step S104, after the intensity of described acoustic signals compares with the threshold value preset by described surface sensor, if the intensity of described acoustic signals is greater than described threshold value, then the transmitter that described surface sensor notice is positioned at head of mast sends alerting signal to O&M controlling unit.
The details of above-mentioned process is described below in detail.
(1) step S102
Drawing theoretical slipping plane by precalculating, holing, near the degree of depth to slipping plane, and drilling depth is slightly lower than slipping plane.
Described steel pipe is high-strength thin-walled steel pipe, is embedded in boring, and with gravel between described boring and described steel pipe, object increases sound wave to preach to acoustic receiver, strengthens acoustic receiver sensitivity.
When there is faint slip near slipping plane in holing, ground particle can send sound wave, is received by described acoustic receiver, is sent to described surface sensor.
(2) step S104
Described alerting signal is divided into N number of grade according to the intensity of described acoustic signals, and the intensity of described acoustic signals is larger, and described higher grade, wherein, N be greater than 1 integer.
After O&M controlling unit receives described alerting signal, according to alarm level, adjust the transmittability of described shaft tower place transmission line of electricity.
Device embodiment
Composition graphs 2 illustrates present embodiment, a kind of sound wave monitoring device described in present embodiment comprises acoustic receiver (1), steel pipe (2), plain conductor (3), surface sensor (4), transmitter (5), wherein, it is inner that described acoustic receiver (1) is positioned over described steel pipe (2), and connect described surface sensor (4) by described plain conductor (3), described surface sensor (4) connects described transmitter (5), and described transmitter (5) is positioned at the top of shaft tower.
Preferably, described steel pipe (2) is high-strength thin-walled steel pipe.
Described steel pipe (2) is embedded in boring, and with gravel between described boring and described steel pipe (2), object increases sound wave to preach to acoustic receiver, strengthens acoustic receiver sensitivity.
Described surface sensor (4) calculates the intensity of acoustic wave value received, if described intensity of acoustic wave value is greater than the threshold value preset, then described surface sensor (4) notifies that described transmitter (5) sends early warning information to O&M controlling unit.
Preferably, described transmitter sends described early warning information by mobile communications network.
The sound wave monitoring method and apparatus of a kind of side slope top provided by the invention electric power line pole tower judgement of stability, solve and lack the problem that effective means judges electric power line pole tower place, side slope top slope texture at present, early stage slope instability is provided to forecast by detecting soil vibration, to the accident that power department slope instability causes, there is early prediction effect, that effectively can reduce O&M controlling unit patrols and examines number of times, reduce costs, and install simple, with low cost.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. a sound wave monitoring method, it is characterized in that, comprise: the acoustic receiver be positioned at bottom steel pipe receives the acoustic signals that slope body inner structure variation produces, described acoustic signals is passed to surface sensor by plain conductor by described acoustic receiver, after the intensity of described acoustic signals compares with the threshold value preset by described surface sensor, if the intensity of described acoustic signals is greater than described threshold value, then the transmitter that described surface sensor notice is positioned at head of mast sends alerting signal to O&M controlling unit.
2. method according to claim 1, described steel pipe is high-strength thin-walled steel pipe.
3. method according to claim 1, described steel pipe is embedded in boring, uses gravel between described boring and described steel pipe.
4. method according to claim 1, described transmitter sends described early warning information by mobile communications network.
5. method according to claim 1, described alerting signal is divided into N number of grade according to the intensity of described acoustic signals, and the intensity of described acoustic signals is larger, and described higher grade, wherein, N be greater than 1 integer.
6. method according to claim 1, after O&M controlling unit receives described alerting signal, adjusts the transmittability of described shaft tower place transmission line of electricity.
7. a sound wave monitoring device, comprise acoustic receiver (1), steel pipe (2), plain conductor (3), surface sensor (4), transmitter (5), it is characterized in that: described acoustic receiver (1) is positioned over described steel pipe (2) bottom, and to be arranged in steel pipe (2) by described plain conductor (3) and to connect described surface sensor (4), described surface sensor (4) connects described transmitter (5) by connecting wire (6), and described transmitter (5) is positioned at the top of shaft tower.
8. sound wave monitoring device according to claim 7, is characterized in that: described steel pipe (2) is high-strength thin-walled steel pipe.
9. sound wave monitoring device according to claim 7, is characterized in that: described steel pipe (2) is embedded in boring, fills between described boring and described steel pipe (2) with placing sand (7).
10. sound wave monitoring device according to claim 7, it is characterized in that: described surface sensor (4) calculates the intensity of acoustic wave value received, if described intensity of acoustic wave value is greater than the threshold value preset, then described surface sensor (4) notifies that described transmitter (5) sends early warning information to O&M controlling unit.
11. sound wave monitoring devices according to claim 10, is characterized in that: described transmitter (5) sends described early warning information by mobile communications network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410786401.4A CN104574831A (en) | 2014-12-18 | 2014-12-18 | Sound wave monitoring method and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410786401.4A CN104574831A (en) | 2014-12-18 | 2014-12-18 | Sound wave monitoring method and device |
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| Publication Number | Publication Date |
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| CN104574831A true CN104574831A (en) | 2015-04-29 |
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| CN201410786401.4A Pending CN104574831A (en) | 2014-12-18 | 2014-12-18 | Sound wave monitoring method and device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105116439A (en) * | 2015-09-30 | 2015-12-02 | 宏大国源（芜湖）资源环境治理有限公司 | Landslide pre-warning system used for detection of micro-vibration of mountain |
| CN106646589A (en) * | 2016-10-18 | 2017-05-10 | 上海建工集团股份有限公司 | Sound-wave-principle based large-scale slope body detection device and detection method thereof |
| CN111336958A (en) * | 2020-02-25 | 2020-06-26 | 广东瀚阳轨道信息科技有限公司 | Side slope early warning system and method based on sound waves |
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| CN103700222A (en) * | 2012-09-28 | 2014-04-02 | 中国石油天然气股份有限公司 | Method for establishing oil-gas pipeline torrential flood disaster monitoring system |
| CN103743441A (en) * | 2014-01-20 | 2014-04-23 | 马鞍山南山开发公司 | Multi-factor coupling on-line monitoring system and multi-factor coupling on-line monitoring system method for slope safety |
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- 2014-12-18 CN CN201410786401.4A patent/CN104574831A/en active Pending
Patent Citations (6)
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| CN201732456U (en) * | 2010-01-22 | 2011-02-02 | 西南交通大学 | Network type debris flow infrasound alarm |
| CN102298154A (en) * | 2011-04-20 | 2011-12-28 | 徐州福安科技有限公司 | Device and method for monitoring evolution and distribution of mining-induced fracture |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105116439A (en) * | 2015-09-30 | 2015-12-02 | 宏大国源（芜湖）资源环境治理有限公司 | Landslide pre-warning system used for detection of micro-vibration of mountain |
| CN106646589A (en) * | 2016-10-18 | 2017-05-10 | 上海建工集团股份有限公司 | Sound-wave-principle based large-scale slope body detection device and detection method thereof |
| CN111336958A (en) * | 2020-02-25 | 2020-06-26 | 广东瀚阳轨道信息科技有限公司 | Side slope early warning system and method based on sound waves |
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