CN113186844A - Underground cable external damage warning spike based on vibration sensor and having wireless communication function - Google Patents
Underground cable external damage warning spike based on vibration sensor and having wireless communication function Download PDFInfo
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- CN113186844A CN113186844A CN202110372237.2A CN202110372237A CN113186844A CN 113186844 A CN113186844 A CN 113186844A CN 202110372237 A CN202110372237 A CN 202110372237A CN 113186844 A CN113186844 A CN 113186844A
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- wireless communication
- vibration
- spike
- underground cable
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- 238000004891 communication Methods 0.000 title claims abstract description 32
- 238000010276 construction Methods 0.000 claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims description 12
- 238000009412 basement excavation Methods 0.000 claims description 9
- 239000010426 asphalt Substances 0.000 claims description 4
- 230000001066 destructive effect Effects 0.000 claims description 4
- 238000009472 formulation Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229910000897 Babbitt (metal) Inorganic materials 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims description 2
- 230000005484 gravity Effects 0.000 claims description 2
- 238000011065 in-situ storage Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 3
- 230000006399 behavior Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/50—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
- E01F9/553—Low discrete bodies, e.g. marking blocks, studs or flexible vehicle-striking members
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F11/00—Road engineering aspects of Embedding pads or other sensitive devices in paving or other road surfaces, e.g. traffic detectors, vehicle-operated pressure-sensitive actuators, devices for monitoring atmospheric or road conditions
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/50—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
- E01F9/553—Low discrete bodies, e.g. marking blocks, studs or flexible vehicle-striking members
- E01F9/559—Low discrete bodies, e.g. marking blocks, studs or flexible vehicle-striking members illuminated
-
- 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
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Emergency Management (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Emergency Alarm Devices (AREA)
- Geophysics And Detection Of Objects (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
An underground cable external damage warning spike based on a vibration sensor and having a wireless communication function belongs to the field of detection. A vibration detector, a main controller, a wireless communication module and local alarm equipment are arranged in the circular shell; the vibration detector is used for detecting the vibration condition around the position of the spike; the main controller is used for storing preset data, periodically detecting the data of the vibration detector, matching the actual detection value with the known model data in similarity, sending early warning information to the background through the wireless communication module when the matching degree reaches 80% and the preset time is maintained, pushing the early warning information to a formulating user through a short message by the background, and simultaneously starting on-site warning equipment to remind field constructors of paying attention. On the road surface, sidewalk or construction site with important pipeline, cable and other embedded path, the vibration condition around the position is monitored by the preset 'spike', and relevant informing or preventing measures can be taken in advance before an accident occurs to prevent the accident.
Description
Technical Field
The invention belongs to the field of detection, and particularly relates to an alarm device for warning external damage of an underground cable.
Background
With the continuous promotion of the work of 'overhead line entering the ground' of the national power grid, underground cables are distributed more and more.
In recent years, the cable fault accounts for 80% of the external fault.
At present, the power supply industry generally plays a role in reminding by deploying and setting a warning beacon capable of emitting light.
Due to the fact that the warning board is easy to lose (mainly caused by greening construction, road construction and the like), and due to the fact that workers on an excavation site do not observe carefully and the like, the situation that underground cables are damaged due to construction still often occurs. The unit to which the cable belongs only knows that a certain cable is damaged after the cable is damaged by external force and has adverse effects.
If construction behaviors (including excavation, blasting or other constructions which possibly damage the underground cable) can be carried out on the position of the underground cable or a laying path (path for short), the underground cable is about to be damaged, namely an alarm signal is sent to a power supply company, a dispatching room, a centralized control center or inspection personnel to which the cable belongs in advance, the occurrence of cable faults can be predicted in advance, and relevant construction behaviors are prevented.
How to sense the risk in advance for the cable laid underground and send out early warning, and inform the unit to which the cable belongs through short messages and telephones, and the unit to which the cable belongs can take measures in advance before an accident occurs, so that the problem is a practical problem to be solved urgently in actual work.
Disclosure of Invention
The invention aims to solve the technical problem of providing an underground cable external damage warning spike based on a vibration sensor and having a wireless communication function.
The technical scheme of the invention is as follows: the utility model provides an underground cable decreases warning spike outward based on vibrations sensor and have wireless communication function, characterized by:
an underground cable external damage warning spike consisting of a vibration detector, a main controller, a wireless communication module and local warning equipment is arranged in a circular shell;
the vibration detector is used for detecting the vibration condition around the position where the spike is located;
the main controller is used for storing preset model data, periodically detecting data of the vibration detector, matching the actual detection value with the known model data in similarity, sending early warning information to the background through the wireless communication module when the matching degree reaches 80% and is maintained for a preset time, pushing the early warning information to a formulation user through a short message by the background, and meanwhile, starting on-site warning equipment to remind on-site constructors of paying attention.
Specifically, the vibration detector is a gyroscope sensor, a mechanical vibration sensor, a gravity sensor or a vibration detector; the circular shell is a high-pressure-bearing metal shell; the local alarm equipment is a light alarm device.
Specifically, a printed circuit board is arranged in the cavity of the metal shell; the main controller, the wireless communication module and the control circuit of the on-site alarm device are welded and fixed on the printed circuit board; the vibration detector is fixedly connected with the inner wall of the metal shell cavity.
Specifically, a light-transmitting waterproof cover capable of bearing pressure is arranged at the upper end of the metal shell, and an alarm lamp of the on-site alarm device is arranged below the light-transmitting waterproof cover.
Furthermore, when the vibration detector detects vibration, an electric signal is generated and sent to the main controller, the main controller compares the received vibration data with a threshold value in a preset database, and the data of discontinuous unfixed frequency such as pedestrian movement, vehicle passing, heavy object landing and the like are eliminated, so that the condition of false alarm is prevented.
Furthermore, the main controller compares the characteristic parameters of the actual measurement waveform with the characteristic parameters of the reference waveform according to the vibration frequency acquired by the vibration sensor, measures the similarity between the actual measurement waveform and the reference waveform, matches and identifies the actual measurement waveform, and judges that the risk of being excavated exists if the matching degree between the actual measurement waveform and the reference waveform reaches a risk threshold value.
Furthermore, when the main controller judges that the risk of being excavated exists, the main controller controls colored warning lamps in the local warning equipment to flash to perform local warning, and meanwhile, the main controller sends underground cable damage risk warning information containing detailed positions to a responsible person of a cable affiliated unit through the wireless communication module.
The underground cable external damage warning spike is applied to the scenes of roads, sidewalks, construction sites and the like needing to be protected for the underground cable; the method is characterized in that a required number of spikes are preset in advance on a road surface, a sidewalk or a construction site with an underground important pipeline, a cable and the like in a buried path, vibration conditions around the position of the spike are monitored through the preset spikes, once vibration generated by destructive excavation of an excavator on an asphalt road surface occurs, a site early warning is sent in advance, a warning lamp in a site warning device is controlled to warn through a main controller in a mode of informing a unit to which the cable belongs in advance, before the cable is damaged by excavation construction, construction special vibration waveforms within 20 meters of the square circle of the position of the spike can be accurately sensed and identified, underground cable damage risk warning information containing a detailed position is sent out through a wireless communication module in time, and the unit to which the cable belongs can adopt related informing or preventing measures before an accident occurs, so that the cable damage risk is prevented in the future.
Compared with the prior art, the invention has the advantages that:
1. according to the technical scheme, the comprehensive perception of the running state and the running environment state of the cable in the area can be realized, the automatic study and judgment of the defects of the cable line is realized, the reduction of the fault rate of the cable is facilitated, the fault rush-repair efficiency is improved, and the external damage prevention level of the cable is improved;
2. the positions of the spikes are reasonably arranged, so that the number of users is small when the cable is broken outside the line;
3. the vibration sensor is adopted to sense and identify vibration waveforms within 20 meters of a square circle at the position, actual measurement waveforms are compared with characteristic parameters of the waveforms actually grabbing a real scene, the similarity of the actual measurement waveforms and reference waveforms is measured, the actual measurement waveforms are matched and identified, and the false alarm rate is reduced conveniently.
Drawings
FIG. 1 is a schematic diagram of the circuit configuration of the system module of the present invention;
FIG. 2 is a schematic top view of the warning spike of the present invention;
FIG. 3 is a schematic side view of the warning spike of the present invention;
fig. 4 is a waveform diagram of the measured external vibration frequency collected by the present invention.
In the figure, 1 is an upper cover of a metal shell, 2 is a screw for fixing the upper cover and the lower cover, 3 is a light-transmitting waterproof cover, 4 is an alarm indicator lamp, and 5 is a base of the metal shell.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
In fig. 1, 2 and 3, according to the technical scheme of the invention, an underground cable external damage warning spike consisting of a vibration detector, a main controller, a wireless communication module and an on-site alarm device is arranged in a circular shell;
the vibration detector is used for detecting the vibration condition around the position where the spike is located;
the main controller is used for storing preset model data, periodically detecting data of the vibration detector, matching the actual detection value with the known model data in similarity, sending early warning information to the background through the wireless communication module when the matching degree reaches 80% and the set time is maintained, pushing the early warning information to a formulation user through a short message by the background, and simultaneously starting on-site warning equipment (light warning) to remind field constructors of paying attention.
Wherein, the vibration detector is a gyroscope sensor, a mechanical vibration sensor or a vibration detector.
The circular shell is a high-pressure metal shell.
A printed circuit board is arranged in the cavity of the metal shell, and the circuits of the main controller, the wireless communication module and the light alarm device are welded and fixed on the printed circuit board; the vibration detector is fixedly connected with the inner wall of the metal shell cavity.
The upper end of the metal shell is provided with a light-transmitting waterproof cover capable of bearing pressure, and the warning lamp of the on-site warning device is arranged below the light-transmitting waterproof cover.
The local alarm equipment is a light alarm device.
The underground cable external damage warning spike generates an electric signal to send to the main controller when the vibration detector detects vibration, and the main controller (microprocessor) compares the received vibration data with a threshold value in a preset database, so that the data of discontinuous unfixed frequency such as pedestrian movement, vehicle passing, heavy object falling and the like are eliminated, and the occurrence of false alarm is prevented.
Fig. 4 shows a collected vibration frequency measured waveform, when the excavating work is performed, the vibration generated by destructive excavation of the asphalt pavement by the excavator is easily collected within a certain range (<20M), and the spike compares the characteristic parameters of the measured waveform and the reference waveform according to the vibration frequency collected by the gyroscope, measures the similarity between the measured waveform and the reference waveform, and matches and identifies the measured waveform. And if the matching degree of the actually measured waveform and the reference waveform reaches a risk threshold value, judging that the risk exists.
When the spike equipment judges that the risk of being excavated exists, the microprocessor controls the colored warning lamp to flash for warning, and meanwhile, the processor sends warning information of the damage risk of the underground cable containing the detailed position to a responsible person of a cable affiliated unit through the wireless communication module.
The technical scheme of the invention can be applied to the scenes of roads, sidewalks, construction sites and the like needing to protect underground cables.
In practical application, the required number of the spikes are preset in advance through a road surface, a road, a sidewalk or a construction site at places such as important pipelines and cables in the ground, the vibration condition around the position of the spikes is monitored through the preset spikes, once the vibration generated by destructive excavation of the excavator on the asphalt road surface occurs, site early warning is sent out in advance to inform a unit to which the cable belongs in advance, before the cable is damaged by excavation construction, construction special vibration waveforms within 20 meters of the square circle of the position of the spike can be accurately sensed and identified, a warning lamp is controlled by a microprocessor to warn, and underground cable damage risk warning information containing detailed positions is sent out through a wireless communication module in time. The unit to which the cable belongs can take related informing or preventing measures before the accident happens, so as to prevent the accident.
The invention can be widely applied to the protection field of underground pipelines and buried cables.
Claims (10)
1. The utility model provides an underground cable decreases warning spike outward based on vibrations sensor and have wireless communication function, characterized by:
an underground cable external damage warning spike consisting of a vibration detector, a main controller, a wireless communication module and local warning equipment is arranged in a circular shell;
the vibration detector is used for detecting the vibration condition around the position where the spike is located;
the main controller is used for storing preset model data, periodically detecting data of the vibration detector, matching the actual detection value with the known model data in similarity, sending early warning information to the background through the wireless communication module when the matching degree reaches 80% and is maintained for a preset time, pushing the early warning information to a formulation user through a short message by the background, and meanwhile, starting on-site warning equipment to remind on-site constructors of paying attention.
2. A seismic sensor-based underground cable damage warning spike with wireless communication as claimed in claim 1 wherein said seismic sensor is a gyroscope sensor, a mechanical vibration sensor, a gravity sensor or a seismic detector.
3. The vibration sensor-based underground cable external damage warning spike having a wireless communication function as claimed in claim 1, wherein the circular housing is a high pressure-bearing metal shell.
4. The vibration sensor-based underground cable external damage warning spike with the wireless communication function as claimed in claim 1, wherein a printed circuit board is disposed in the cavity of the metal shell; the main controller, the wireless communication module and the control circuit of the on-site alarm device are welded and fixed on the printed circuit board; the vibration detector is fixedly connected with the inner wall of the metal shell cavity.
5. The vibration sensor-based underground cable damage warning spike having a wireless communication function as claimed in claim 1, wherein a light-transmitting waterproof cover capable of bearing pressure is provided at an upper end of the metal casing, and the warning lamp of the on-site warning device is disposed below the light-transmitting waterproof cover.
6. A seismic sensor-based underground cable damage warning spike with wireless communication capability as claimed in claim 1 wherein said in-situ warning device is a light warning device.
7. The vibration sensor-based underground cable damage warning spike having a wireless communication function as claimed in claim 1, wherein the vibration detector generates an electrical signal to transmit to the main controller when detecting a vibration, and the main controller compares the received vibration data with a threshold value in a predetermined database to remove some non-continuous unfixed frequency data such as pedestrian movement, vehicle passing, heavy object falling, etc., thereby preventing false alarm.
8. The vibration sensor-based underground cable damage warning spike having a wireless communication function as claimed in claim 1, wherein the main controller compares the characteristic parameters of the measured waveform with the characteristic parameters of the reference waveform according to the vibration frequency acquired by the vibration sensor, measures the similarity between the measured waveform and the reference waveform, matches and identifies the measured waveform, and determines that there is a risk of "being excavated" if the matching degree between the measured waveform and the reference waveform reaches a risk threshold.
9. The vibration sensor-based underground cable damage warning spike having the wireless communication function according to claim 1, wherein the main controller controls a colored warning lamp in the local warning device to flash to perform local warning when judging that the risk of being excavated exists, and simultaneously, the main controller sends underground cable damage risk warning information containing detailed positions to a responsible person of a cable belonging to the main controller through the wireless communication module.
10. The underground cable external damage warning spike based on the vibration sensor and having the wireless communication function as claimed in claim 1, wherein the underground cable external damage warning spike is applied to the scenes such as roads, sidewalks, construction sites and the like needing to be protected for the underground cable; the required number of spikes are preset in advance on the road surface, sidewalk or construction site with the underground embedded path of important pipelines, cables and the like, the vibration condition around the position of the excavator is monitored through a preset spike, once the vibration generated by destructive excavation of the excavator on the asphalt pavement occurs, by means of sending out on-site early warning in advance and informing the unit to which the cable belongs in advance, the construction special vibration waveform within 20 meters of the square circle of the position of the spike can be accurately sensed and identified before the cable is damaged by excavation construction, the warning lamp in the local warning equipment is controlled by the main controller to warn, and underground cable damage risk warning information containing detailed positions is sent out in time through the wireless communication module, and units to which the cables belong can take related informing or preventing measures in advance before accidents occur, so that the accidents are prevented.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110372237.2A CN113186844A (en) | 2021-04-07 | 2021-04-07 | Underground cable external damage warning spike based on vibration sensor and having wireless communication function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110372237.2A CN113186844A (en) | 2021-04-07 | 2021-04-07 | Underground cable external damage warning spike based on vibration sensor and having wireless communication function |
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| Publication Number | Publication Date |
|---|---|
| CN113186844A true CN113186844A (en) | 2021-07-30 |
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| CN202110372237.2A Pending CN113186844A (en) | 2021-04-07 | 2021-04-07 | Underground cable external damage warning spike based on vibration sensor and having wireless communication function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114842600A (en) * | 2022-06-14 | 2022-08-02 | 广东电网有限责任公司 | Underground cable anti-damage alarm device |
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| CN210006165U (en) * | 2019-07-08 | 2020-01-31 | 广州南沙发展燃气有限公司 | gas pipeline anti-damage early warning system |
| CN111862505A (en) * | 2020-07-29 | 2020-10-30 | 杭州巨骐信息科技股份有限公司 | Holographic perception external damage monitoring system |
| CN112489384A (en) * | 2020-11-16 | 2021-03-12 | 国网上海市电力公司 | Cable damage prevention early warning method based on awakening detection |
-
2021
- 2021-04-07 CN CN202110372237.2A patent/CN113186844A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH702416A2 (en) * | 2009-12-21 | 2011-06-30 | Glasfreunde Gmbh | Means for the detection of glass damage during glazing. |
| CN105528841A (en) * | 2014-09-30 | 2016-04-27 | 国家电网公司 | External force damage prevention early-warning system for power cable |
| CN206988826U (en) * | 2017-05-05 | 2018-02-09 | 南京朗坤自动化有限公司 | Underground pipe gallery pipe network vibration monitoring early warning system |
| CN107068020A (en) * | 2017-06-26 | 2017-08-18 | 广州供电局有限公司 | The mark equipment in transmission line of electricity path |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114842600A (en) * | 2022-06-14 | 2022-08-02 | 广东电网有限责任公司 | Underground cable anti-damage alarm device |
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Application publication date: 20210730 |