CN112017385A - Intelligent system suitable for return cable district section early warning - Google Patents
Intelligent system suitable for return cable district section early warning Download PDFInfo
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- CN112017385A CN112017385A CN202010825055.1A CN202010825055A CN112017385A CN 112017385 A CN112017385 A CN 112017385A CN 202010825055 A CN202010825055 A CN 202010825055A CN 112017385 A CN112017385 A CN 112017385A
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- electrically connected
- alarm
- early warning
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- 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
- G08B13/194—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 image scanning and comparing systems
- G08B13/196—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 image scanning and comparing systems using television cameras
- G08B13/19639—Details of the system layout
- G08B13/19645—Multiple cameras, each having view on one of a plurality of scenes, e.g. multiple cameras for multi-room surveillance or for tracking an object by view hand-over
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- 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
- G08B13/194—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 image scanning and comparing systems
- G08B13/196—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 image scanning and comparing systems using television cameras
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- 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
- G08B13/194—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 image scanning and comparing systems
- G08B13/196—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 image scanning and comparing systems using television cameras
- G08B13/19602—Image analysis to detect motion of the intruder, e.g. by frame subtraction
- G08B13/19613—Recognition of a predetermined image pattern or behaviour pattern indicating theft or intrusion
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B15/00—Identifying, scaring or incapacitating burglars, thieves or intruders, e.g. by explosives
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
Abstract
The invention discloses an intelligent system suitable for early warning of a return cable section, which adopts the technical scheme that: including sample acquisition unit, early warning unit, well accuse unit and alarm unit, the sample acquisition unit includes operating panel, collection camera, first PLC able to programme, sample storehouse and first modeling module, the early warning unit includes video segmentation module, time-recorder, surveillance camera, the PLC able to programme of second, display, repository, second modeling module and compares the module, and an intelligent system beneficial effect suitable for backward flow cable district section early warning is: through setting up sample acquisition unit, early warning unit, well accuse unit and alarm unit, can carry out the control of all-round no dead angle to the backward flow cable in real time to taking place to steal the first incident of damage backward flow cable incident and gain contact with the public security alarm system of policeman, reporting to the police and arresting lawless persons, cooperate the stereo set to carry out the threat to lawless persons simultaneously, effectively carry out diversified protection monitoring to the backward flow cable.
Description
Technical Field
The invention relates to the technical field of backflow cable safety, in particular to an intelligent system suitable for backflow cable section early warning.
Background
In order to prevent the magnetic field formed by single-phase earth fault current from seriously affecting the external world, an insulated conducting wire with lower impedance can be laid in parallel along the cable line, and both ends of the insulated conducting wire are grounded, the grounding wire is called a return wire, also called a shielding conductor, in the cable line with one end of a metal sheath grounded, in order to ensure that the induced voltage in the sheath does not exceed the allowable standard, a conductor laid in parallel along the cable line must be installed, and both ends of the conductor are grounded, the conductor is called a return wire, when the single-phase short circuit fault occurs to the cable line with the metal sheath grounded, the short-circuit current takes the ground as a return circuit, the induced voltage of the sheath is very high, and after the return wire is increased, the return current returns through the return wire without passing through the. The existence of the return line enables the outer protective layer to be insulated and the power frequency overvoltage borne by the overvoltage limiter to be irrelevant to the potential of the earth screen when single-phase grounding occurs, and the magnetic flux generated by grounding current of a part of cable cores is offset by the magnetic flux of the return line, so that the induced voltage of the protective layer is reduced. But rarely does it calculate whether the metal sheath is required to suppress induced voltage or interference with adjacent weak current lines. When multiple loops of cables are laid in parallel, designers often habitually lay a return wire for each loop of cable, and two ends of the return wire are grounded and are not connected with a high-voltage part. In actual operation, the phenomenon that the return line is stolen is particularly serious. When a return line is stolen, the return line is still repaired regardless of the necessity.
At present, with the rapid development of economy in China, the development of a power transmission cable in nearly ten years is also a sudden leap forward, and the power transmission cable achieves various achievements in both the scale of power facilities and the reliability of power supply quality. Meanwhile, the transmission cable also causes the problem that a plurality of devices are stolen. Among them, the cable return cable is the most representative, and directly poses a threat to the safe and stable operation of the power grid system. The following methods are currently commonly used to protect return cables: 1. for newly building a cable project with a return wire, filling sand is adopted to protect as much as possible, and for a cable trench which cannot be filled with sand and is prevented from being stolen, the return wire is proposed to be embedded in the surface of the cable trench, so that the return wire is not exposed. On the other hand, the criminal idea of a power facility thief can be eliminated as much as possible in a cable field by means of eliminating a grounding protection box, shortening the length of a grounding cable, improving the installation height of the grounding cable, improving the installation position of the grounding cable and the like; for newly building a cable project with a return wire, the material of the return wire is recommended to be replaced by galvanized round steel and aluminum stranded wires (the appearance is extruded with a PE layer), but the sectional area of the replaced material meets the requirement of short-circuit current thermal stability; during the design of cable engineering, the cable line is fully considered to be arranged in a cross-connection regular triangle with equal section length, or a mode of combining cross-connection and single-end grounding is adopted. 2. Increase the power of patrolling, ensure the quality of patrolling: because the theft return line mostly adopts places which are easy to be handed down, such as a cable trench cover plate and a manhole cover, cable operation and maintenance personnel should keep track of the change condition of related cable facilities and equipment during patrol and make change records in time, and the cover plate which is moved or pried or the manhole cover should be moved into the cable trench to check the integrity and integrity of the cable accessory equipment; after a new line is put into operation, circulation values under two conditions of no-load operation and load of the cable line are respectively recorded and compared to be used as cable managers, and the criminal meaning of fighting against stealing or damaging cable facilities and damaging the safety of a power grid is not worried. Therefore, the situation that the backflow cable is prevented from being stolen becomes urgent, the backflow cable is difficult to protect in the prior art, careless mistakes are easy to occur in manual guard, the traditional machine monitoring is also monitored by security personnel, careless mistakes are also generated in the monitoring process, and the backflow cable cannot be tightly stared on the monitoring display in the whole twenty-four hours, so that the safety of the backflow cable is threatened.
Therefore, it is necessary to invent an intelligent system suitable for the early warning of the return cable section.
Disclosure of Invention
Therefore, the intelligent system suitable for the return cable section early warning is provided, the sample collection unit, the early warning unit, the central control unit and the alarm unit are arranged, the return cable can be monitored in an all-around dead angle-free mode in real time, the first event of the event that the return cable is stolen and damaged is connected with the public security alarm system of public security, illegal persons are caught by alarming, and meanwhile, the illegal persons are scared by matching with the sound equipment, so that the problems that in the prior art, the return cable is difficult to protect, manual guard is easy to cause carelessness, traditional machine monitoring is also monitored by security personnel, negligence is generated during monitoring, and the safety of the return cable is threatened due to the fact that a monitor is tightly stared in the whole twenty-four hours.
In order to achieve the above purpose, the invention provides the following technical scheme: the intelligent system suitable for backflow cable section early warning comprises a sample collecting unit, an early warning unit, a central control unit and an alarm unit, wherein the early warning unit is electrically connected with the sample collecting unit and the central control unit, and the central control unit is electrically connected with the alarm unit.
Preferably, the sample collection unit comprises an operation panel, a collection camera, a first programmable PLC, a sample library and a first modeling module.
Preferably, the early warning unit comprises a video segmentation module, a timer, a monitoring camera, a second programmable PLC, a display, a repository, a second modeling module and a comparison module.
Preferably, the central control unit comprises a central processing unit.
Preferably, the alarm unit comprises a sound device, a communication module, an alarm module and a public security alarm system.
Preferably, the first programmable PLC input end is electrically connected with the operation panel and the acquisition camera through a first a/D converter, the first programmable PLC output end is electrically connected with the first modeling module through a first D/a converter, the first programmable PLC connection end is electrically connected with the sample library, and the first modeling module output end is electrically connected with the sample library input end.
Preferably, the second programmable PLC input end is electrically connected to the video segmentation module, the timer and the monitoring camera through a second a/D converter, the second programmable PLC output end is electrically connected to the display, the repository and the second modeling module through a second D/a converter, and the second modeling module output end is electrically connected to the comparison module.
Preferably, the input end of the central processing unit is electrically connected with the comparison module through a third A/D converter, and the output end of the central processing unit is electrically connected with the communication module and the alarm module in the alarm unit through the third D/A converter.
Preferably, the output end of the communication module is electrically connected with the sound box, and the output end of the alarm module is electrically connected with the public security alarm system.
The invention has the beneficial effects that:
the invention sets a sample collection unit, an early warning unit, a central control unit and an alarm unit, the sample collection unit can effectively model and store the action information of the backflow cable damaged by theft and store the action information in an internal sample library for later use, the arrangement of a monitoring camera in the early warning unit in multiple angles is in practical arrangement, the arrangement of the monitoring camera in the early warning unit is beneficial to monitoring and protecting the backflow cable in all directions without dead angles, meanwhile, the monitoring video is segmented into short videos by a timer and a video segmentation module, the modeling efficiency of the second modeling module on each segmented short video is improved, then the short videos are more efficiently compared with the sample library, so as to judge whether the backflow cable is damaged by theft or not, simultaneously, the second programmable PLC also regularly clears a storage library under the action of the timer to reduce the storage pressure, finally, the sound in the alarm unit plays the audio when the backflow cable is judged to be damaged by theft by a person, the theft-destroying person is warned that the theft-destroying person is locked by the public security and the theft or destroying action is stopped immediately, and meanwhile, the alarm module is also directly contacted with a public security alarm system arranged in the public security bureau to inform the public security bureau to go to a counter place to arrest the illegal person as soon as possible.
Drawings
Fig. 1 is a schematic structural diagram of a control system provided by the present invention.
In the figure: the system comprises a sample acquisition unit 1, an operation panel 11, a camera 12, a first programmable PLC13, a sample library 14, a first modeling module 15, an early warning unit 2, a video segmentation module 21, a timer 22, a monitoring camera 23, a second programmable PLC24, a display 25, a repository 26, a second modeling module 27, a comparison module 28, a central control unit 3, a central processing unit 31, an alarm unit 4, a sound 41, a communication module 42, an alarm module 43 and an alarm system 44.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Referring to the attached drawing 1, the intelligent system suitable for early warning of the return cable section provided by the invention comprises a sample acquisition unit 1, an early warning unit 2, a central control unit 3 and an alarm unit 4, wherein the early warning unit 2 is electrically connected with the sample acquisition unit 1 and the central control unit 3, and the central control unit 3 is electrically connected with the alarm unit 4;
further, the sample collection unit 1 includes an operation panel 11, a collection camera 12, a first programmable PLC13, a sample library 14 and a first modeling module 15, according to specific situations, the operation panel 11 may be large or small, and may be a huge operation console, and may be as small as several function keys and switches, in an intelligent instrument, the operation panel 11 is small, and generally needs to be designed by itself, for operation safety, many operation panels 11 are provided with electronic locks, and the main functions of the operation panel 11 are as follows: transmitting the source program to a memory or monitoring the program execution condition through panel operation; printing, displaying intermediate or final results; modifying parameters and given values of some detection points and control points according to process requirements; setting an alarm state, selecting a working mode, a control loop and the like; completing manual-automatic undisturbed switching; carrying out field manual operation; completing various picture displays; the acquisition camera 12 shoots the action of stealing the return cable in actual use so as to acquire video information of stealing and destroying the return cable, the first programmable logic controller 13 is mainly used for replacing a relay to realize logic control, and along with the development of the technology, the function of the device greatly exceeds the range of the logic control, so the device is called a Programmable Controller (PC) for short today, but in order to avoid confusion with the PC for short, the PLC for short is called the programmable controller, and the first modeling module 15 can model the action of stealing and destroying the return cable in the video information shot by the acquisition camera 12 so as to acquire the action information of stealing and destroying the return cable.
Further, the early warning unit 2 includes a video segmentation module 21, a timer 22, a surveillance camera 23, a second programmable PLC24, a display 25, a repository 26, a second modeling module 27, and a comparison module 28, where the video segmentation module 21 is configured to segment a surveillance picture taken by the surveillance camera 23, so as to facilitate subsequent segmented video detection, a plurality of surveillance cameras 23 need to be placed in actual arrangement, a backflow cable is monitored and protected from multiple angles and in all directions, the second programmable PLC24 is mainly used to replace a relay to implement logic control, the display 25 can display the picture taken by the surveillance camera 23 in real time, so as to facilitate observation and monitoring by security personnel, the repository 26 can store a video taken by the surveillance camera 23 and a segment of the segmented segment of the video by the video segmentation module 21, and the timer 22 sends information to the second programmable PLC24 within a set time range, then the second programmable PLC24 controls the video segmentation module 21 to segment the video shot by the monitoring camera 23, and at the same time, sends information to the second programmable PLC24 within another set time, deletes the video information stored in the storage repository 26 for a long time, and reduces the storage pressure of the storage repository 26, the second modeling module 27 can perform modeling analysis on a segment of short video after segmentation, and matches the action information of the theft damage return cable retained in the sample repository 14 through the comparison module 28, and if the matching information is consistent, it can be determined that the theft damage return cable event is occurring;
further, the central control unit 3 includes a central processing unit 31, the central processing unit 31 is used as an operation and control core of the computer system, and is a final execution unit for information processing and program operation, and the model of the central processing unit 31 is a 10-7700K;
furthermore, the alarm unit 4 includes a sound 41, a communication module 42, an alarm module 43 and a public security alarm system 44, when the comparison module 28 determines that the backflow cable is damaged by theft, the information is transmitted to the central processing unit 31 through the third a/D converter, then the central processing unit 31 controls the communication module 42 through the third D/a converter, and then the sound 41 plays audio, so as to warn that the thief is locked by the public security and stop the theft or destroy action immediately, and meanwhile, the alarm module 43 will directly contact with the public security alarm system 44 installed in the public security bureau, and inform the public security bureau to take the illegal copies in case as soon as possible;
further, the input end of the first programmable PLC13 is electrically connected with the operation panel 11 and the collecting camera 12 through the first a/D converter, so that the pictures collected by the collecting camera 12 can be collected and transmitted conveniently, the output end of the first programmable PLC13 is electrically connected with the first modeling module 15 through the first D/a converter, so that the collected information can be modeled conveniently, the connection end of the first programmable PLC13 is electrically connected with the sample library 14, and the output end of the first modeling module 15 is electrically connected with the input end of the sample library 14, so that the created model can be compared with the samples in the sample library 14 conveniently, and the intelligent degree is improved.
Further, the input end of the second programmable PLC24 is electrically connected to the video segmentation module 21, the timer 22 and the monitoring camera 23 through a second a/D converter, the output end of the second programmable PLC24 is electrically connected to the display 25, the repository 26 and the second modeling module 27 through a second D/a converter, the output end of the second modeling module 27 is electrically connected to the comparison module 28, and the second programmable PLC24 clears the video and short video information stored in the repository 26 at regular time to reduce the storage pressure.
Further, the input end of the central processing unit 31 is electrically connected to the comparison module 28 through a third a/D converter, and the output end of the central processing unit 31 is electrically connected to the communication module 42 and the alarm module 43 of the alarm unit 4 through a third D/a converter.
Furthermore, the output end of the communication module 42 is electrically connected with the sound 41, the output end of the alarm module 43 is electrically connected with the public security alarm system 44, the alarm module 43 adopts a G150 alarm module, 4 paths of alarm switching value signals are input, 4 paths of analog quantity alarm signals are input, a 5G network can be accessed, the coverage range is wide, the used setting and parameter reading are completed through a mobile phone, and the use is convenient and fast.
The using process of the invention is as follows: when the invention is used, the criminal action information of the theft damage return cable needs to be collected and sampled through the sample collection unit 1, namely, the theft damage video is shot through the collection camera 12, then the video information is transmitted to the first programmable PLC13 and then transmitted to the first modeling module 15, the first modeling module 15 carries out picture recognition on the image of the video flow, models the action of the theft damage return cable, and stores the action information of the theft damage return cable into the sample library 14 for later use, in the actual work, a plurality of monitoring cameras 23 need to be arranged around the return cable, the return cable is monitored and protected in a multi-angle and omnibearing way, the monitoring cameras 23 can transmit the shot video to the second programmable PLC24, then the video segmentation module 21 can carry out segmentation processing on the video information shot by the monitoring cameras 23 within the set time period of the timer 22, therefore, multiple short video information sections are moved, the display 25 displays the shot pictures of the monitoring camera 23 in real time, security personnel can conveniently observe the safety condition of the monitoring return cable, the shot videos and the segmented short videos are stored in the storage warehouse 26 together, after the time set by the timer 22, the second programmable PLC24 clears the videos and the short video information stored in the storage warehouse 26 at regular time, the storage pressure is reduced, the second modeling module 27 performs modeling analysis on the segmented short videos, the segmented short videos are compared with the action behavior information of the theft damage return cable stored in the sample library 14 through the comparison module 28, if the segmented short videos are matched, it can be judged that the theft or damage event of the return cable occurs, namely, a person steals or damages the return cable, the comparison module 28 transmits the information to the central processor 31 through the third A/D converter, then the central processing unit 31 transmits the information to the communication module 42 and the alarm module 43 through the third D/a converter, the communication module 42 controls the sound 41 to play the audio to warn the thief that the thief is locked by the public security and stop the stealing or destroying action immediately, and the alarm module 43 directly contacts with the public security alarm system 44 installed in the public security bureau to inform the public security bureau to go to the place where the thief takes a case to catch the illegal person.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.
Claims (9)
1. Intelligent system suitable for return current cable district section early warning, its characterized in that: including sample acquisition unit (1), early warning unit (2), well accuse unit (3) and alarm unit (4), early warning unit (2) electric connection sample acquisition unit (1) and well accuse unit (3), well accuse unit (3) electricity connection alarm unit (4).
2. The intelligent system for return cable segment warning as claimed in claim 1, wherein: the sample collection unit (1) comprises an operation panel (11), a collection camera (12), a first programmable PLC (13), a sample library (14) and a first modeling module (15).
3. The intelligent system for return cable segment warning of claim 1, wherein: the early warning unit (2) comprises a video segmentation module (21), a timer (22), a monitoring camera (23), a second programmable PLC (24), a display (25), a storage bank (26), a second modeling module (27) and a comparison module (28).
4. The intelligent system for return cable segment warning of claim 1, wherein: the central control unit (3) comprises a central processing unit (31).
5. The intelligent system for return cable segment warning of claim 1, wherein: the alarm unit (4) comprises a sound box (41), a communication module (42), an alarm module (43) and a public security alarm system (44).
6. The intelligent system for return cable segment warning of claim 2, wherein: the input end of the first programmable PLC (13) is electrically connected with the operation panel (11) and the acquisition camera (12) through a first A/D converter, the output end of the first programmable PLC (13) is electrically connected with the first modeling module (15) through a first D/A converter, the connecting end of the first programmable PLC (13) is electrically connected with the sample library (14), and the output end of the first modeling module (15) is electrically connected with the input end of the sample library (14).
7. The intelligent system for return cable segment warning of claim 3, wherein: the input end of the second programmable PLC (24) is electrically connected with the video segmentation module (21), the timer (22) and the monitoring camera (23) through a second A/D converter, the output end of the second programmable PLC (24) is electrically connected with the display (25), the repository (26) and the second modeling module (27) through a second D/A converter, and the output end of the second modeling module (27) is electrically connected with the comparison module (28).
8. Intelligent system for return cable section warning according to claim 4 or 5, characterized in that: the input end of the central processing unit (31) is electrically connected with the comparison module (28) through a third A/D converter, and the output end of the central processing unit (31) is electrically connected with the communication module (42) and the alarm module (43) in the alarm unit (4) through a third D/A converter.
9. The intelligent system for return cable segment warning of claim 5, wherein: the output end of the communication module (42) is electrically connected with the sound box (41), and the output end of the alarm module (43) is electrically connected with the public security alarm system (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010825055.1A CN112017385A (en) | 2020-08-17 | 2020-08-17 | Intelligent system suitable for return cable district section early warning |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010825055.1A CN112017385A (en) | 2020-08-17 | 2020-08-17 | Intelligent system suitable for return cable district section early warning |
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| CN112017385A true CN112017385A (en) | 2020-12-01 |
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| CN202010825055.1A Pending CN112017385A (en) | 2020-08-17 | 2020-08-17 | Intelligent system suitable for return cable district section early warning |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070222894A1 (en) * | 2003-10-09 | 2007-09-27 | Gregory Cox | Enhanced Video Based Surveillance System |
| CN102209256A (en) * | 2011-05-19 | 2011-10-05 | 北京国铁华晨通信信息技术有限公司 | Video-based method and device for testing intrusion detection performance |
| CN105303735A (en) * | 2015-11-04 | 2016-02-03 | 国网浙江杭州市余杭区供电公司 | Backflow cable antitheft alarm system and control method |
| CN205158556U (en) * | 2015-12-04 | 2016-04-13 | 西安兆腾测控技术有限公司 | Transmission line prevents external damage and early warning system based on video analysis |
| CN110111520A (en) * | 2019-06-13 | 2019-08-09 | 广东恩胜科技有限公司 | A kind of safety alarm system of building site circumference |
-
2020
- 2020-08-17 CN CN202010825055.1A patent/CN112017385A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070222894A1 (en) * | 2003-10-09 | 2007-09-27 | Gregory Cox | Enhanced Video Based Surveillance System |
| CN102209256A (en) * | 2011-05-19 | 2011-10-05 | 北京国铁华晨通信信息技术有限公司 | Video-based method and device for testing intrusion detection performance |
| CN105303735A (en) * | 2015-11-04 | 2016-02-03 | 国网浙江杭州市余杭区供电公司 | Backflow cable antitheft alarm system and control method |
| CN205158556U (en) * | 2015-12-04 | 2016-04-13 | 西安兆腾测控技术有限公司 | Transmission line prevents external damage and early warning system based on video analysis |
| CN110111520A (en) * | 2019-06-13 | 2019-08-09 | 广东恩胜科技有限公司 | A kind of safety alarm system of building site circumference |
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Application publication date: 20201201 |