CN114140958A - Visual electronic fence system - Google Patents

Visual electronic fence system Download PDF

Info

Publication number
CN114140958A
CN114140958A CN202210097005.5A CN202210097005A CN114140958A CN 114140958 A CN114140958 A CN 114140958A CN 202210097005 A CN202210097005 A CN 202210097005A CN 114140958 A CN114140958 A CN 114140958A
Authority
CN
China
Prior art keywords
electronic
electronic fence
fence
operator
lifting column
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202210097005.5A
Other languages
Chinese (zh)
Other versions
CN114140958B (en
Inventor
张永挺
李伟
谢幸生
张勇志
汤晓晖
严尹廷
朱俊超
卢锴
贺玺睿
刘思远
肖健文
朱兴旺
尹国志
李衍进
张新明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongshan Power Supply Bureau of Guangdong Power Grid Co Ltd
Original Assignee
Zhongshan Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhongshan Power Supply Bureau of Guangdong Power Grid Co Ltd filed Critical Zhongshan Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority to CN202210097005.5A priority Critical patent/CN114140958B/en
Publication of CN114140958A publication Critical patent/CN114140958A/en
Application granted granted Critical
Publication of CN114140958B publication Critical patent/CN114140958B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/02Mechanical actuation
    • G08B13/12Mechanical actuation by the breaking or disturbance of stretched cords or wires
    • G08B13/122Mechanical actuation by the breaking or disturbance of stretched cords or wires for a perimeter fence
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V8/00Prospecting or detecting by optical means
    • G01V8/10Detecting, e.g. by using light barriers
    • G01V8/20Detecting, e.g. by using light barriers using multiple transmitters or receivers
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B7/00Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
    • G08B7/06Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/12Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H04L67/125Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/72Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/72409User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
    • H04M1/72415User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories for remote control of appliances

Abstract

The invention discloses a visual electronic fence system, wherein an electronic fence adopts an embedded base, a lifting column body is lowered to the ground when not in use, the lifting column body is lifted when in use, a controller controls the corresponding electronic fence to lift and descend according to fence arrangement information set by an operator, light is emitted through optical fiber emitting lines on the electronic fence to form an optical network, so that the electronic fence is visual, the electronic fence device displays the fence information to give an area alarm to the operator, the voice broadcasting device gives a voice prompt to the operator, and the intrusion/intrusion sensing assembly judges whether the operator intrudes into the operation area or breaks out of the operation area, so that visual and auditory operation areas are provided for the operator on site, and the problem that the existing three-dimensional security electronic fence positioned by using a laser radar and a UWB technology can not allow the operator on site to intuitively sense the operation area and the charged area is solved, the reliability is not high.

Description

Visual electronic fence system
Technical Field
The invention relates to the technical field of electronic fences, in particular to a visual electronic fence system.
Background
In an electric power operation site, in order to ensure the personal safety of an operator, the operator should keep a necessary safety distance from a nearby high-voltage live-line device, and a safety fence is generally arranged to limit the moving range of the operator within a specified safety range.
Traditional transformer substation security fence arranges that netted rail, bracing piece, discus, the tablet of marking are mainly adopted by the transformer substation operation personnel manual work and arrange, and the intelligent level is low according to power failure scope and work needs and artifical the setting by the transformer substation operation personnel. With the development of power electronic technology, there is a three-dimensional security electronic fence located by using laser radar and UWB technology. However, the stereoscopic security electronic fence positioned by using the laser radar and the UWB technology cannot visually sense an operation area and an electrified area, and only can be reminded by a corresponding device to realize the spatial position of the electronic fence, so that the reliability is low.
Disclosure of Invention
The invention provides a visual electronic fence system, which is used for solving the technical problems that the existing three-dimensional security electronic fence positioned by using laser radar and UWB technology cannot enable field operators to intuitively feel an operation area and an electrified area, and the reliability is low.
In view of the above, the present invention provides a visual electronic fence system, comprising a plurality of electronic railings disposed at an electric power operation site;
the electronic railing comprises an embedded base, a lifting column body, a light emitter, an intrusion/intrusion sensing assembly, a controller, a voice broadcasting device and an electronic listing device;
the lifting column is arranged at the top of the embedded base;
the light ray emitter is arranged on the side surface of the lifting column body;
the intrusion/intrusion sensing assembly comprises two groups of infrared transceivers which are arranged on the side surface of the lifting column side by side;
the voice broadcasting device is arranged on the lifting column body;
the electronic tag hanging device is arranged on the side upper surface of the lifting column body;
the controller is arranged in the lifting column body, is respectively connected with the light emitter, the break-in/break-out sensing assembly, the voice broadcasting device and the electronic listing device, and is connected with the lifting mechanism of the lifting column body;
the controller is in communication connection with the background terminal, and the electronic fence management system is arranged in the background terminal.
Optionally, the system further comprises a mobile terminal with a preset APP built in;
the mobile terminal is in communication connection with the controller;
and presetting an APP built-in electronic fence management system.
Optionally, the preset APP comprises a login module, an operation module, an audit module and a control module;
the login module is used for popping up a login window for an operator to log in the electronic fence management system;
the operation module is used for displaying a primary wiring diagram of a preset transformer substation after the operator successfully logs in, and displaying corresponding electronic railing point positions after the operator sets intervals of the electronic railings, so that the operator can select the electronic railing point positions to arrange the railings according to the power failure type and the power failure range;
the auditing module is used for sending the fence arrangement information to the superior user for auditing after the operation personnel arrange the fences and returning the auditing result to the operation personnel;
the control module is used for establishing connection with the controller after the fence arrangement information is approved.
Optionally, the system further comprises a random code module;
the random code module is used for generating random numbers to encrypt the fence arrangement information after the operation personnel arrange the fences, so that a superior user inputs the random numbers to decrypt the encrypted fence arrangement information after receiving the fence arrangement information.
Optionally, the system further comprises a verification code module;
the verification code module is used for generating a verification code after the superior user passes the verification, so that an operator inputs the verification code in the control module and establishes connection with the controller.
Optionally, the method further comprises: a video monitoring device;
the video monitoring device is connected with the controller and used for monitoring the state of the electronic handrail on the electric power operation site.
Optionally, the embedded base is a resin-based anticorrosive material.
Optionally, the light emitters are mounted at different heights on the sides of the lifting column.
Optionally, the electronic balustrade is powered by an uninterruptible power supply.
According to the technical scheme, the visual electronic fence system provided by the invention has the following advantages:
the invention provides a visual electronic fence system, wherein an electronic fence adopts an embedded base, a lifting column body is lowered to the ground when not in use, the lifting column body is lifted when in use, a controller controls the corresponding electronic fence to be lifted and lowered according to fence arrangement information set by an operator, light is emitted through optical fiber emitting lines on the electronic fence to form an optical network, so that the electronic fence is visual, the electronic fence device displays the fence information to give an alarm to the operator, the voice broadcasting device gives a voice prompt to the operator, and the break-in/break-out sensing component is used for judging whether the operator breaks into the operation area or breaks out of the operation area, so that visual and audible visual operation areas and charged areas are provided for the operator on site, and the problem that the existing three-dimensional security electronic fence positioned by using a laser radar and a UWB technology can not allow the operator on site to visually feel the operation area and the charged area is solved, the reliability is not high.
According to the visual electronic fence system, the light emitter is a three-color light emitter and can emit red, yellow and blue light, and different warning information can be defined by the light rays with different colors respectively.
The visualized electronic fence system provided by the invention supports the APP control of the mobile terminal, and improves the flexibility and convenience of electronic fence arrangement.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other related drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a structural diagram of an electronic balustrade of a visual electronic fence system according to the present invention;
fig. 2 is a structural diagram of a preset APP built-in electronic fence management system provided by the present invention;
FIG. 3 is a logic diagram of the preset APP provided by the present invention;
wherein the reference numerals are:
1. an embedded base; 2. a lifting column; 3. a voice broadcasting device; 4. an electronic listing device; 5. a light emitter; 6. an intrusion/intrusion sensing assembly; 201. a login module; 202. an operation module; 203. an audit module; 204. a control module; 205. a random code module; 206. and a verification code module.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
To facilitate understanding, referring to fig. 1, a visual electronic fence system includes a plurality of electronic railings disposed at an electric power operation site;
the electronic handrail comprises an embedded base 1, a lifting column 2, a light emitter 5, an intrusion/intrusion sensing assembly 6, a controller, a voice broadcasting device 3 and an electronic listing device 4;
the lifting column body 2 is arranged at the top of the embedded base 1;
the light emitter 5 is arranged on the side surface of the lifting column body 2;
the intrusion/intrusion sensing assembly 6 comprises two groups of infrared transceivers which are arranged on the side surface of the lifting column side by side;
the voice broadcasting device 3 is arranged on the lifting column body 2;
the electronic tag hanging device 4 is arranged on the side upper surface of the lifting column body 2;
the controller is arranged inside the lifting column body 2, is respectively connected with the light emitter 5, the break-in/break-out sensing assembly 6, the voice broadcasting device 3 and the electronic listing device 4, and is connected with the lifting mechanism of the lifting column body 2;
the controller is in communication connection with the background terminal, and the electronic fence management system is arranged in the background terminal.
The embedded base 1 of the electronic railing is buried underground, the top of the embedded base is flush with the ground, the lifting column 2 is installed at the top of the embedded base 1, and is lifted and lowered through the lifting mechanism, lifted from the ground when in use, and lowered when not in use. Substation operation personnel need overhaul to the switch, the CT overhauls, the arrester is overhauld, circuit PT overhauls, the generating line switch is overhauld, switch + CT overhauls the preliminary examination, circuit and switch overhaul etc. different power failure types confirm arranging of fence, the controller arranges the information according to the fence of operation personnel input, the control corresponds the electron railing of position and rises and descend, control light emitter 5 emission, form the warning light net, thereby form required fence. The intrusion/intrusion sensing assembly 6 of the raised electronic handrail enters into work, an electronic warning defense area is deployed in the overhaul area, and the intrusion/intrusion operating personnel are detected in real time. Specifically, the intrusion/intrusion sensing assembly 6 includes two sets of infrared transceivers installed side by side on the side of the lifting column 2, and when the operator in the electronic fence leaves the electronic fence without passing through the doorway, the intrusion/intrusion sensing assembly 6 sends a level signal of 0 to the controller, and when the operator outside the fence enters the electronic fence without passing through the doorway, the intrusion/intrusion sensing assembly 6 sends a level signal of 1 to the controller. Whether the operator breaks in or out can be determined according to the sequence of the signals received by the two groups of infrared transceivers, if the signals of the infrared transceivers on the inner side of the electronic fence are disconnected firstly and the signals of the infrared transceivers on the outer side are disconnected later, the break-in/break-out sensing assembly 6 sends a level signal of 0 to the controller, otherwise, the break-in/break-out sensing assembly 6 sends a level signal of 1 to the controller, and when the fact that the operator breaks in/out of the electronic fence area is monitored, the controller reports 'prohibition of crossing the fence operation range' or 'please enter the operation place from a fence entrance' through voice broadcasting devices 3. The electronic nameplates for entering and exiting from the beginning are displayed on the electronic nameplate devices 4 of the electronic railings at the entrance and exit of the visual electronic fence device, and the electronic nameplates for stopping and high-voltage danger are displayed on the electronic nameplate devices 4 of the other raised electronic railings of the electronic fence. The electronic tag device 4 can be an LED display screen. The voice broadcast device 3 of the electronic railing that rises gets into work, and connection controller accepts local warning pronunciation, and warning place operation personnel honor the seal operation, and can carry out the pronunciation with backstage terminal is long-range to communicate.
It should be noted that, a light source detection circuit may be further disposed at the light receiving position of the electronic balustrade, the light source detection circuit may be formed by connecting a power element in series on the line of the light emitter 5, and when the light source emitted by the corresponding light emitter 5 is not received, the power element emits light to warn that the light source is abnormal and sends a notification signal to the controller to prompt the electronic balustrade to malfunction.
In one embodiment, the light emitter 5 is a three-color light emitter, and can emit red light, blue light and yellow light. Can emit red, yellow, blue light, and different warning information can be defined respectively to the light of different colours, if: the red light represents warning and forbidden meaning, and represents forbidden crossing and entering. The light emitters 5 may be arranged at different heights on the side of the lifting column, for example, 6 light emitters 5 may be arranged from top to bottom.
In one embodiment, the electronic balustrade is powered by an uninterruptible power supply, which ensures uninterrupted operation of the lifting column 2, the light emitter 5, the break-in/break-out sensing assembly 6, the controller, the voice announcement device 3 and the electronic listing device 4.
In one embodiment, the embedded base 1 is made of a resin-based anti-corrosion material, such as epoxy, to prevent corrosion damage.
In one embodiment, a video monitoring device can be further arranged at the electric power working site, and the video monitoring device is connected with the controller and used for monitoring the state of the electronic handrail at the electric power working site. When the intrusion/intrusion sensing assembly 6 senses that an operator intrudes/intrudes into the operation area, the controller is linked with the video monitoring device to shoot the intrusion/intrusion area and acquire image information of the intrusion/intrusion area. When the arrangement of the electronic fence is completed, the video monitoring device can be linked to shoot the electronic fence of the electronic fence, and the rising and falling conditions of the electronic fence are checked.
In one embodiment, the system further comprises a mobile terminal with a built-in preset APP, wherein the mobile terminal is in communication connection with the controller, and the built-in APP electronic fence management system is preset. And operating personnel can arrange the electronic fence of the substation operation site by a preset APP built-in electronic fence management system on the mobile terminal on site or remotely. The preset APP comprises a login module 201, an operation module 202, an audit module 203 and a control module 204, the login module 201 is used for popping up a login window, an operator logs in the electronic fence management system, the operation module 202 is used for displaying a primary wiring diagram of the preset transformer substation after the operator logs in successfully, after the operator sets intervals of the electronic fence, corresponding electronic fence point positions are displayed, the operator selects the electronic fence point positions to arrange the fence according to the power failure type and the power failure range, the audit module 203 is used for sending fence arrangement information to a superior user for auditing after the operator arranges the fence, and an audit result is returned to the operator, and the control module is used for establishing connection with the controller after the fence arrangement information passes the auditing. A random code module 205 can also be provided, and the random code module 205 is configured to generate a random number to encrypt the fence arrangement information after the operation staff arrange the fence, so that a superior user inputs the random number to decrypt the encrypted fence arrangement information after receiving the fence arrangement information. And a verification code module 206 is arranged, wherein the verification code module 206 is used for generating a verification code after the superior user passes the audit, so that an operator inputs the verification code in the control module 204 and establishes connection with the controller.
The principle is as follows: preset APP is opened on the mobile terminal by an operator, a login window popped up by the login module 201, login is performed by using a telephone number white list and short message verification codes, or login is performed by using a face recognition mode and the like, after login, the operation module 202 displays a preset transformer substation primary wiring diagram, the operator selects the required electronic fence interval according to the power failure type and the power failure range, then the corresponding operation site electronic fence point position of the interval is displayed, and the operator selects the electronic fence corresponding to the point position according to the power failure type and the power failure range to arrange the fence. After the operator arranges the electronic fence, the random number module 205 generates a random number to encrypt the fence arrangement information, the operator sends the random number to a superior audit user (such as a shift leader or a station leader), the superior audit user decrypts the encrypted fence arrangement information by using the random number, then the audit module 203 audits the arranged electronic fence information, after the audit is passed, a verification code is generated by the verification code module 206, the superior audit user informs the operator of the verification code, the operator inputs the verification code in the control module 204 for verification, and after the verification is passed, the authority for controlling the electronic fence work is obtained, that is, the operator can issue a control instruction to the controller of the electronic fence by the electronic fence management system on the preset APP.
The visualized electronic fence system provided by the invention supports the APP control of the mobile terminal, and improves the flexibility and convenience of electronic fence arrangement.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. A visual electronic fence system, comprising a plurality of electronic railings arranged at an electric power operation site;
the electronic railing comprises an embedded base, a lifting column body, a light emitter, an intrusion/intrusion sensing assembly, a controller, a voice broadcasting device and an electronic listing device;
the lifting column is arranged at the top of the embedded base;
the light ray emitter is arranged on the side surface of the lifting column body;
the intrusion/intrusion sensing assembly comprises two groups of infrared transceivers which are arranged on the side surface of the lifting column side by side;
the voice broadcasting device is arranged on the lifting column body;
the electronic tag hanging device is arranged on the side upper surface of the lifting column body;
the controller is arranged in the lifting column body, is respectively connected with the light emitter, the break-in/break-out sensing assembly, the voice broadcasting device and the electronic listing device, and is connected with the lifting mechanism of the lifting column body;
the controller is in communication connection with the background terminal, and the electronic fence management system is arranged in the background terminal.
2. A visual electronic fence system as in claim 1 wherein the light emitter is a tri-color light emitter emitting red, blue and yellow light.
3. The visual electronic fence system as claimed in claim 1, further comprising a mobile terminal with a preset APP built in;
the mobile terminal is in communication connection with the controller;
and presetting an APP built-in electronic fence management system.
4. The visual electronic fence system of claim 3, wherein the preset APP comprises a login module, an operation module, an audit module and a control module;
the login module is used for popping up a login window for an operator to log in the electronic fence management system;
the operation module is used for displaying a primary wiring diagram of a preset transformer substation after the operator successfully logs in, and displaying corresponding electronic railing point positions after the operator sets intervals of the electronic railings, so that the operator can select the electronic railing point positions to arrange the railings according to the power failure type and the power failure range;
the auditing module is used for sending the fence arrangement information to the superior user for auditing after the operation personnel arrange the fences and returning the auditing result to the operation personnel;
the control module is used for establishing connection with the controller after the fence arrangement information is approved.
5. The visual electronic fence system of claim 4, further comprising a random code module;
the random code module is used for generating random numbers to encrypt the fence arrangement information after the operation personnel arrange the fences, so that a superior user inputs the random numbers to decrypt the encrypted fence arrangement information after receiving the fence arrangement information.
6. The visual electronic fence system of claim 5, further comprising a passcode module;
the verification code module is used for generating a verification code after the superior user passes the verification, so that an operator inputs the verification code in the control module and establishes connection with the controller.
7. The visualization electronic fence system of claim 1, further comprising: a video monitoring device;
the video monitoring device is connected with the controller and used for monitoring the state of the electronic handrail on the electric power operation site.
8. The visual electronic fence system of claim 1, wherein the embedded base is a resin-based corrosion resistant material.
9. A visual electronic fence system as in claim 1 wherein the light emitters are mounted at different heights on the sides of the lifting column.
10. The visual electronic fence system of claim 1, wherein the electronic rail is powered by an uninterruptible power supply.
CN202210097005.5A 2022-01-27 2022-01-27 Visual electronic fence system Active CN114140958B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210097005.5A CN114140958B (en) 2022-01-27 2022-01-27 Visual electronic fence system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210097005.5A CN114140958B (en) 2022-01-27 2022-01-27 Visual electronic fence system

Publications (2)

Publication Number Publication Date
CN114140958A true CN114140958A (en) 2022-03-04
CN114140958B CN114140958B (en) 2022-04-29

Family

ID=80381605

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210097005.5A Active CN114140958B (en) 2022-01-27 2022-01-27 Visual electronic fence system

Country Status (1)

Country Link
CN (1) CN114140958B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117197938A (en) * 2023-09-19 2023-12-08 广州市阳普机电工程有限公司 Equipment operation area safety protection system and method based on face recognition

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3128260U (en) * 2006-06-02 2007-01-11 昭守 谷口 Intrusion prevention warning barrier system
CN204965658U (en) * 2015-10-08 2016-01-13 国家电网公司 Electronic fence device
CN211910062U (en) * 2020-03-09 2020-11-13 周福辉 Visual multi-functional rail device
CN212061356U (en) * 2020-04-28 2020-12-01 武汉南星电力科技有限公司 On-site visual electronic fence
CN112465309A (en) * 2020-11-11 2021-03-09 鼎旺天成科技(青岛)有限公司 Visual construction management and control system and implementation method thereof
CN213276876U (en) * 2020-11-20 2021-05-25 国家电网有限公司 Visual fence

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3128260U (en) * 2006-06-02 2007-01-11 昭守 谷口 Intrusion prevention warning barrier system
CN204965658U (en) * 2015-10-08 2016-01-13 国家电网公司 Electronic fence device
CN211910062U (en) * 2020-03-09 2020-11-13 周福辉 Visual multi-functional rail device
CN212061356U (en) * 2020-04-28 2020-12-01 武汉南星电力科技有限公司 On-site visual electronic fence
CN112465309A (en) * 2020-11-11 2021-03-09 鼎旺天成科技(青岛)有限公司 Visual construction management and control system and implementation method thereof
CN213276876U (en) * 2020-11-20 2021-05-25 国家电网有限公司 Visual fence

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117197938A (en) * 2023-09-19 2023-12-08 广州市阳普机电工程有限公司 Equipment operation area safety protection system and method based on face recognition

Also Published As

Publication number Publication date
CN114140958B (en) 2022-04-29

Similar Documents

Publication Publication Date Title
US3729706A (en) Portable traffic control system with television monitoring
CN114140958B (en) Visual electronic fence system
CN212061356U (en) On-site visual electronic fence
KR200470826Y1 (en) Alarm device for electric shock danger in power distribution equipment
KR20210050784A (en) Smart safety management holding device
CN110610584A (en) Safety auxiliary management and control system based on maintenance operation site and use method thereof
CN112466075A (en) Electronic security fence based on Internet of things
US20220120825A1 (en) Safety Ground Wire Monitoring And Alarm Systems
CN106408830A (en) Cable pile
CN104851224A (en) Electronic fence at construction site
CN206194065U (en) Cable stake
KR20160122300A (en) Leakage current management system for power distribution box of street light
KR101006698B1 (en) Prevention system in huge tunnel using rfid
CN107680305A (en) Visualize the indicating means of emergency exit indicating lamp board, instruction system and the system
KR101154817B1 (en) Lightning alert device and system for power transmission towers
CN109462211B (en) Protective device and method for power test high-pressure area
CN206224725U (en) Converting equipment scene isolation rail infrared type monitor and alarm system
KR20160067493A (en) Power distribution box for street light with notification function of electric leakage
CN105448015B (en) A kind of safe railing device of the combined type with position warning function
KR20210155243A (en) Live-wire alarm helmet and live-wire alarm helmet system
AU730512B2 (en) Railroad traffic warning system apparatus and method therefor
KR102116678B1 (en) Warning apparatus for construction and industrial sites
CN212054814U (en) Tunnel escape induction system with electronic information board
CN103198612A (en) Mobile intelligent monitoring alarm device of inspection well cover and early-warning method of device
CN209199286U (en) A kind of alarm input/output module

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant