CN106408830A - Cable pile - Google Patents
Cable pile Download PDFInfo
- Publication number
- CN106408830A CN106408830A CN201611047141.4A CN201611047141A CN106408830A CN 106408830 A CN106408830 A CN 106408830A CN 201611047141 A CN201611047141 A CN 201611047141A CN 106408830 A CN106408830 A CN 106408830A
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- Prior art keywords
- cable
- warning
- alarm
- electricity
- pile
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- 238000012544 monitoring process Methods 0.000 claims abstract description 40
- 230000006698 induction Effects 0.000 claims abstract description 29
- 238000009434 installation Methods 0.000 claims description 24
- 239000000523 sample Substances 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 230000035939 shock Effects 0.000 claims description 4
- 230000033228 biological regulation Effects 0.000 claims description 2
- 230000006378 damage Effects 0.000 abstract description 11
- 238000010276 construction Methods 0.000 abstract description 8
- 230000001960 triggered effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 8
- 208000027418 Wounds and injury Diseases 0.000 description 6
- 208000014674 injury Diseases 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000004397 blinking Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/19—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
-
- 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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses a cable pile, which comprises a warning pile installed above a cable channel, a power supply device installed on the warning pile, an induction device connected with the power supply device, and an alarm device connected with the induction device, and is characterized in that the induction device is used for monitoring whether a moving object enters the monitoring range or not, and if so, the alarm device is triggered to give out an alarm. The cable pile not only indicates the location of the cable channel, but also plays a role of warning for the pedestrians at the same time, and gives out an alarm when a pedestrian or other moving object or construction machine passes by the monitoring range of the cable pile, thereby playing a role of active intelligent warning, warning the pedestrian or the construction machine not to move on, preventing cable facilities from being damaged by accidental destruction, also reminding the pedestrian not to contact an underground cable mistakenly to result in a safety accident, and avoiding personal injuries.
Description
Technical field
The present invention relates to cable passage safety devices technical field, more particularly to a kind of cable stake.
Background technology
The all pre-buried cable warning stake in current urban district in a lot of cities, suburbs, warning pile is all by the way of fluorescent characters
Warned, needing illumination to get on alarming effect just can be obvious, thus leading to some pedestrians, vehicle to bump against warning pile, makes
Become some accidents, bring unnecessary trouble and loss;Also have some traditional warning piles to adopt warning lamp mode, but must adopt
The power voltage supplies such as the power supply specified such as 220V, limited by condition, furthermore warning lamp adopts plastic construction month after month easily aging, structure throughout the year
Also not firm.
Existing warning pile analogous cable stake, cable stake is installed on above cable passage, can play warning function, and energy
Determine the device in cable passage direction, including base, installing plate, sealing ring, mounting post, solar panel;Table on the upside of base
The middle position in face is provided with installing plate;Middle position on the upside of installing plate is connected with square column;The top peace of square column side surrounding
Equipped with lamp;The top surface middle position of square column is connected with mounting post;Mounting post is provided with sealing ring with the intersection of square column;Mounting post
The other end be connected with the middle position of drain pan bottom side by contiguous block;The surrounding of drain pan is connected with side shell;The middle part peace of side shell
Equipped with solar panel;Solar panel uniform rows arrange;Using solar panel as power supply, and use LED
Electricity-saving lamp, as lighting apparatus, facilitates the identification of pedestrian and vehicle electrical checking bollard.
Existing common cable stake whole body is red and white, simply plays simple warning function in color, and night is easy
Pedestrian is damaged, construction activities are not had with effective safety prompt function effect simultaneously yet.Also has a kind of simple LED warning
Red light is installed on cable stake front end, using solar panel as power supply, and with LED electricity-saving lamp as lighting apparatus, side
Just the identification of pedestrian and vehicle, but cannot intelligent reminding, also cannot judgment object and cable stake distance,
In sum, the problems such as how to efficiently solve common cable stake and do not have effective safety prompt function, is current basis
Skilled person's urgent problem.
Content of the invention
It is an object of the invention to provide a kind of cable stake, this cable stake efficiently solves common cable stake and does not have effectively
Safety prompt function the problems such as.
For solving above-mentioned technical problem, the present invention provides following technical scheme:
A kind of cable stake, including the warning pile being installed on above cable passage, the power supply that is installed in described warning pile dress
Put the alarm device that the induction installation being connected with described supply unit is connected with described induction installation, described induction installation is used for
Monitor whether that mobile object enters in monitoring range, if it has, then triggering described alarm device to send warning.
Preferably, described induction installation include positioned at described warning rod front end by the infrared inductor of visible light detection and
By the Shock inductor of frequency monitoring inside described warning rod.
Preferably, the monitoring range of the monitoring probe of described infrared inductor is in 0 ° -110 ° of Radix Rumiciss, described infrared inductor
Monitoring distance be 2m-3m.
Preferably, described alarm device includes light-emitting alarm and voice guard, and described light-emitting alarm is located at described
The upper end of warning pile, described voice guard is located at the bottom of described warning pile.
Preferably, wireless transceiver, one end of described wireless transceiver and described light-emitting alarm and described sound are also included
Sound alarm connects, and the other end is connected with Wireless Telecom Equipment.
Preferably, described light-emitting alarm adopts ultra-bright LED, and inside adopts Single-chip Controlling;
Described audible alarm adopts high-decibel alarming horn, and the bottom of described warning pile is provided with window annunciator, described sound
Alarm is embedded within window annunciator.
Preferably, described supply unit includes the faradism electricity-fetching module being installed in described warning pile, and is installed on
The transformer on cable machinery below described cable stake, described faradism electricity-fetching module and described transformer are by cable even
Connect.
Preferably, described cable machinery is concurrently accessed transformer described in two groups, transformer described in two groups all with described sense
Should electric electricity-fetching module connect.
Preferably, described faradism electricity-fetching module is circumscribed with the accumulator as stand-by power supply.
Preferably, the cable between described faradism electricity-fetching module and described transformer and described accumulator and described sense
Answer the power management module that regulation power supply watt level is in series with the cable between electric electricity-fetching module.
Cable stake provided by the present invention, including warning pile, supply unit, induction installation, alarm device, warning pile is installed
In the top of cable passage, by bolt, the base of warning pile can be fixed on the ground it is easy to dismantle;Can also will warn
Stake is embedded in underground, fixation.Warning pile vertically it is easy to install, is easy to detecting/monitoring mobile object, outside usual warning pile
See as metal material, outdoor use, there is water proofing property, concrete classification of waterproof can be IP67.Supply unit is installed on warning pile
On, for powering to induction installation and alarm device.Induction installation is connected with supply unit, after induction installation is opened, passes through
Whether induction monitoring has mobile object to enter in monitoring range or in monitoring range.Alarm device is with induction installation even
Connect, when induction installation has monitored that mobile object enters in monitoring range, induction installation then triggers alarm device, alarm device
Send warning.
Cable stake provided by the present invention, had both indicated cable passage position, produced warning function to pedestrian, when there being row simultaneously
People or other moving objects or construction machinery, when the supervision scope of cable stake, send warning, thus serving actively intelligence
Alarming effect, warning pedestrian and construction interruption move ahead, and prevent accidental destruction injury cable installation, also remind pedestrian to contact underground by mistake
Cable causes security incident, it is to avoid cause personal injury.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
The structural representation of the cable stake that Fig. 1 is provided by specific embodiment a kind of in the present invention;
Fig. 2 is the front view of Fig. 1;
Fig. 3 is monitoring range schematic diagram.
In accompanying drawing, labelling is as follows:
1- light-emitting alarm, 2- monitoring probe, 3- voice guard, 4- base.
Specific embodiment
The core of the present invention is to provide a kind of cable stake, and this cable stake efficiently solves common cable stake and do not have effectively
Safety prompt function the problems such as.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
Refer to Fig. 1 to Fig. 3, the structural representation of the cable stake that Fig. 1 is provided by specific embodiment a kind of in the present invention
Figure;Fig. 2 is the front view of Fig. 1;Fig. 3 is monitoring range schematic diagram.
In a kind of specific embodiment, cable stake provided by the present invention, including warning pile, supply unit, sensing dress
Put, alarm device, warning pile is installed on the top of cable passage, by bolt, the base 4 of warning pile can be fixed on ground
Above it is easy to dismantle;Warning pile can also be embedded in underground, fixation.Warning pile, vertically it is easy to install, is easy to examine
Monitoring mobile object, usual warning pile outward appearance is metal material, and outdoor use has water proofing property, concrete classification of waterproof can be
IP67.Supply unit is installed in warning pile, for powering to induction installation and alarm device, can be wired connection, also may be used
To be wireless connection.Induction installation is connected with supply unit, after induction installation is opened, whether has motive objects by induction monitoring
Body enters in monitoring range or in monitoring range.Alarm device is connected with induction installation, when induction installation monitors
When having mobile object to enter in monitoring range, induction installation then triggers alarm device, and alarm device sends warning.
Cable stake provided by the present invention, had both indicated cable passage position, produced warning function to pedestrian, when there being row simultaneously
People or other moving objects or construction machinery, when the supervision scope of cable stake, send warning, intelligent reminding, facilitate pedestrian with
The identification of vehicle and judgment object and the distance of cable stake, thus serving actively intelligent alarming effect, warn pedestrian and Shi
Work interrupts moving ahead, and prevents accidental destruction injury cable installation, also reminds pedestrian to contact buried cable by mistake and causes security incident, it is to avoid
Cause personal injury.
Above-mentioned cable stake is only a kind of preferred version, is specifically not limited thereto, on this basis can be according to actual needs
Make having and targetedly adjust, thus obtaining different embodiments, induction installation includes infrared inductor and Vibration induction
Device, infrared inductor is located at the top of warning rod front end, that is, the monitoring probe 2 of infrared inductor enters towards mobile object
Direction, by visible ray monitored whether mobile object enter monitor scope, infrared inductor is based on infrared technology
Automatic control module, sensitivity is high, highly reliable, applicable extra low voltage mode of operation, and monitoring result is more accurate, and cost is relatively low.
Shock inductor is located inside warning rod, has monitored whether mobile object by the vibration frequency of mobile object or workmen
Enter and monitor scope, such environmental effects are less to external world for Shock inductor, use cooperatively with infrared inductor, can make up red
Outer induction apparatuss need the restriction to visible light detection condition;In the environment of there is visible ray, double monitoring, increase the standard of monitoring
Really property.
On the basis of above-mentioned specific embodiment, those skilled in the art can be according to the difference of concrete occasion, to electricity
Checking bollard carries out some changes, and the monitoring range of the monitoring probe 2 of infrared inductor is in 0 ° -110 ° of Radix Rumiciss, between wherein 0 ° -110 °
Arbitrarily angled all can monitor, including endpoint value, coverage is larger, and monitoring range is larger, maximum magnitude ensure monitoring effect
Really, the credibility of monitoring result is higher.The monitoring distance of infrared inductor is 2m-3m, and any distance between 2m-3m all can be supervised
Measure, including endpoint value, distant, mobile object can be reminded in time, it is to avoid mobile object receive alerting signal it
Advance into deathtrap, safer reliability.It should be noted that monitoring range mentioned here and monitoring distance are unrestricted
System, can be according to practical situations depending on, all within the scope of the present invention.
Obviously, under the guidance of this thought, those skilled in the art can be according to the difference of concrete occasion to above-mentioned
Specific embodiment carries out some changes, and alarm device includes light-emitting alarm 1 and voice guard 3, and both can individually make
With it is also possible to use cooperatively, now double-reminding is it is adaptable to wider array of crowd, solves that vision is problematic or audition is asked
Topic cannot receive the difficulty of alarm signal, more hommization.Light-emitting alarm 1 is located at the upper end of warning pile, when there being motive objects
Body enters in induction range, and upper end alarm lamp blinking red lamp is it is easy to mobile object sees warning light.Voice guard 3 is located at
It is easy to alarm sound is propagated, alarm sound is larger for the bottom of warning pile.Certainly, light-emitting alarm 1 is located at the upper end of warning pile,
The bottom that voice guard 3 is located at warning pile be one kind preferred embodiment, be not unique, can be according to specifically making
Different sets itself with situation.
Cable stake provided by the present invention, in the case of other parts are immovable, also includes wireless transceiver, wireless receipts
The one end sending out device is connected with light-emitting alarm 1 and voice guard 3, and the other end is connected with Wireless Telecom Equipment, works as luminous alarm
Both device 1 and voice guard 3 are central when having one or two with alarm, can trigger wireless transceiver, wireless receiving and dispatching
Device sends signal by wireless signal to connected Wireless Telecom Equipment, such as sends alarming short message to mobile phone, is carried with this
Awake management personnel have mobile object to enter monitoring range, and management personnel receive signal and can arrive Site Detection situation, warn further
Show that pedestrian and construction interruption move ahead, prevent accidental destruction injury cable installation, also remind pedestrian to contact buried cable by mistake and cause to pacify
Full accident, it is to avoid cause personal injury.
It is important to note that cable stake provided by the present invention is not intended to be limited to this kind of situation, light-emitting alarm 1
Using ultra-bright LED, light is brighter it is easy to mobile object finds, and human body is no affected, safer.Can also be it
Its suitable light-emitting alarm 1, such as LED electricity-saving lamp as lighting apparatus, can be according to practical situations depending on.Luminous report
Alert device 1 is internal to adopt Single-chip Controlling it is easy to control, easy to control, cost is relatively low.Audible alarm adopts high-decibel warning loudspeaker
, sound is loud and clear it is easy to pedestrian hears, remind effect preferably or conventional horn, cost is relatively low.The bottom of warning pile
It is provided with window annunciator, be such as located at the lower section of the monitoring probe 2 of infrared inductor, voice guard 3 is embedded within window annunciator,
It is easily installed fixing voice guard 3, dustproof and waterproof, improve service life.
Cable stake provided by the present invention, in the case of other parts are immovable, the height of warning pile is 1.1m-
1.3m is it is preferable that alert rod height 1.2m, such as concrete alert rod a size of 5*5*120cm, highly moderate, meets human body and regards
Wild engineering.Bottom can have chassis, is installed on ground, chassis size 130*130cm, and the weight of whole warning rod can be
4.5-5.5KG, stability is preferable.There are outside warning rod the alternate warning lines of black yellow color, more can play security warning effect
Really.
For the cable stake in each embodiment above-mentioned, supply unit includes faradism electricity-fetching module and transformer, sensing
Electric electricity-fetching module is installed in warning pile, and transformer is installed on the cable machinery below cable stake, faradism electricity-fetching module and
Transformer is connected by cable, using faradism power taking pattern, directly installs mutual inductance on the cable machinery below cable stake
Device power taking, it is to avoid cannot be used the difficulty of solar energy power taking by weather reason, wiring is simple, without adopting 220V, reduces line
Road cost.Supply unit can control protection impacting with high pressure under high current for the transformer using high voltage relief
In order to optimize technique scheme further, cable machinery is concurrently accessed multigroup transformer, meets the electricity of load
Source demand, such as two groups, particular number is not done and is limited further, all within the scope of the present invention.Multigroup transformer all with
Faradism electricity-fetching module connects, and is concurrently accessed multigroup transformer input, meets due to not enough the asking of the little output of primary current
Topic, using convenient.
On the basis of each specific embodiment above-mentioned, faradism electricity-fetching module is circumscribed with accumulator, and accumulator is as standby
With power supply, it is to avoid cable machinery no electricity it is impossible to the problem of power supply, jointly power, solve single power supply by multiple power sources module
Break down the deficiency that cannot work, more safe and reliable.
Another inventive concept provided by the present invention is, the cable between faradism electricity-fetching module and transformer and
Power management module is in series with the cable between accumulator and faradism electricity-fetching module, power management module can adjust electricity
Source power size, goes for the supply unit of different capacity, using convenient, such as power management module output voltage
12V, peak power 40W, minimum starting current 20A exports 3W.
In this specification, each embodiment is described by the way of going forward one by one, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple modifications to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can be realized without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and be to fit to and principles disclosed herein and features of novelty phase one
The scope the widest causing.
Claims (10)
1. a kind of cable stake is it is characterised in that including being installed on warning pile above cable passage, being installed in described warning pile
The alarm device that is connected with described induction installation of the induction installation that is connected with described supply unit of supply unit, described sensing
Device is used for having monitored whether that mobile object enters in monitoring range, if it has, then triggering described alarm device to send warning.
2. cable stake according to claim 1 is it is characterised in that described induction installation is included positioned at described warning rod front end
By the infrared inductor of visible light detection be located inside described warning rod by the Shock inductor of frequency monitoring.
3. cable stake according to claim 2 it is characterised in that described infrared inductor monitoring probe (2) monitoring
Scope is in 0 ° -110 ° of Radix Rumiciss, and the monitoring distance of described infrared inductor is 2m-3m.
4. cable stake according to claim 1 is it is characterised in that described alarm device includes light-emitting alarm (1) harmony
Sound alarm (3), described light-emitting alarm (1) is located at the upper end of described warning pile, and described voice guard (3) is located at described police
Show the bottom of stake.
5. cable stake according to claim 4 is it is characterised in that also include wireless transceiver, described wireless transceiver
One end is connected with described light-emitting alarm (1) and described voice guard (3), and the other end is connected with Wireless Telecom Equipment.
6. cable stake according to claim 4 is it is characterised in that described light-emitting alarm (1) adopts ultra-bright LED, interior
Portion adopts Single-chip Controlling;
Described audible alarm adopts high-decibel alarming horn, and the bottom of described warning pile is provided with window annunciator, described audible alarm
Device (3) is embedded within window annunciator.
7. the cable stake according to any one of claim 1-6 is it is characterised in that described in described supply unit includes being installed on
Faradism electricity-fetching module in warning pile, and it is installed on the transformer on the cable machinery below described cable stake, described sense
Electric electricity-fetching module and described transformer is answered to connect by cable.
8. cable stake according to claim 7 is it is characterised in that be concurrently accessed mutual inductance described in two groups on described cable machinery
Device, transformer described in two groups is all connected with described faradism electricity-fetching module.
9. cable stake according to claim 7 is it is characterised in that described faradism electricity-fetching module is circumscribed with as standby electricity
The accumulator in source.
10. cable stake according to claim 9 it is characterised in that described faradism electricity-fetching module and described transformer it
Between cable and described accumulator and described faradism electricity-fetching module between cable on to be in series with regulation power supply power big
Little power management module.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201611047141.4A CN106408830A (en) | 2016-11-21 | 2016-11-21 | Cable pile |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611047141.4A CN106408830A (en) | 2016-11-21 | 2016-11-21 | Cable pile |
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Publication Number | Publication Date |
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CN106408830A true CN106408830A (en) | 2017-02-15 |
Family
ID=58082549
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CN201611047141.4A Pending CN106408830A (en) | 2016-11-21 | 2016-11-21 | Cable pile |
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Cited By (7)
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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 |
CN108648652A (en) * | 2018-07-12 | 2018-10-12 | 国网江苏省电力有限公司扬州供电分公司 | A kind of cable warning stake |
CN108806182A (en) * | 2017-08-04 | 2018-11-13 | 佛山市顺德区易达电力工程有限公司 | Safe construction system on a kind of electric pole |
CN110593294A (en) * | 2019-09-30 | 2019-12-20 | 国网河北省电力有限公司沧州供电分公司 | Concrete member for marking foundation information of buried cable |
CN110827435A (en) * | 2019-10-28 | 2020-02-21 | 国网四川省电力公司成都供电公司 | External damage monitoring method and system based on intelligent warning post and readable storage medium |
WO2021007881A1 (en) * | 2019-07-18 | 2021-01-21 | 山东光韵智能科技有限公司 | Intelligent marker post alarm protection device |
CN113936438A (en) * | 2021-10-12 | 2022-01-14 | 国家电网有限公司 | Underground cable operating environment monitoring and early warning device |
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CN110593294A (en) * | 2019-09-30 | 2019-12-20 | 国网河北省电力有限公司沧州供电分公司 | Concrete member for marking foundation information of buried cable |
CN110827435A (en) * | 2019-10-28 | 2020-02-21 | 国网四川省电力公司成都供电公司 | External damage monitoring method and system based on intelligent warning post and readable storage medium |
CN113936438A (en) * | 2021-10-12 | 2022-01-14 | 国家电网有限公司 | Underground cable operating environment monitoring and early warning device |
CN113936438B (en) * | 2021-10-12 | 2022-12-13 | 国家电网有限公司 | Underground cable operating environment monitoring and early warning device |
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