CN113266786A - Intelligent street lamp anti-theft terminal with remote monitoring function - Google Patents

Intelligent street lamp anti-theft terminal with remote monitoring function Download PDF

Info

Publication number
CN113266786A
CN113266786A CN202110326872.7A CN202110326872A CN113266786A CN 113266786 A CN113266786 A CN 113266786A CN 202110326872 A CN202110326872 A CN 202110326872A CN 113266786 A CN113266786 A CN 113266786A
Authority
CN
China
Prior art keywords
street lamp
lamp pole
remote monitoring
intelligent street
management system
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.)
Pending
Application number
CN202110326872.7A
Other languages
Chinese (zh)
Inventor
夏佳程
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.)
Shenzhen Xinsheng Intelligent Information Co ltd
Original Assignee
Shenzhen Xinsheng Intelligent Information 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 Shenzhen Xinsheng Intelligent Information Co ltd filed Critical Shenzhen Xinsheng Intelligent Information Co ltd
Priority to CN202110326872.7A priority Critical patent/CN113266786A/en
Publication of CN113266786A publication Critical patent/CN113266786A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00Lighting devices intended for fixed installation
    • F21S8/08Lighting devices intended for fixed installation with a standard
    • F21S8/085Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light
    • F21S8/086Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light with lighting device attached sideways of the standard, e.g. for roads and highways
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V15/00Protecting lighting devices from damage
    • F21V15/005Measures against vandalism, stealing or tampering
    • 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21WINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10Outdoor lighting
    • F21W2131/103Outdoor lighting of streets or roads

Abstract

The invention provides an intelligent anti-theft street lamp terminal with remote monitoring, which comprises a street lamp pole, a satellite positioning device, a positioning service cloud end, intelligent lamp pole monitoring equipment and a city management system, wherein the intelligent lamp pole monitoring equipment is arranged on the inner wall of the street lamp pole, the intelligent lamp pole monitoring equipment is electrically connected with the satellite positioning device, the satellite positioning device is in data communication with the positioning service cloud end, the positioning service cloud end is connected into the city management system through a wireless communication protocol, a communication module is further arranged in the intelligent lamp pole monitoring equipment, and the intelligent lamp pole monitoring equipment is electrically communicated with the city management system through the communication module. The functions of diagnosing street lamp faults, preventing theft, alarming and the like are realized, and the street lamp is suitable for street lamps of all levels of cities.

Description

Intelligent street lamp anti-theft terminal with remote monitoring function
Technical Field
The invention relates to the field of intelligent monitoring equipment, in particular to an intelligent street lamp anti-theft terminal with remote monitoring.
Background
The city civilization development, the road street lamp construction is deep into various roads of each city, county, village and town, etc.; however, with the rise of copper price in the market, some lawless persons transfer the target to the street lamp lighting power supply cable buried underground, so that the street lamp cable is largely stolen and the urban road lighting is seriously damaged, social security and safe operation of equipment are threatened, and meanwhile, new requirements are provided for the anti-theft work of the street lamp and the monitoring of the street lamp.
Investigating according to an authority: the stolen street lamp cable accounts for 36.6% of the defects of the street lamp every year. The street lamp fault rate caused by traffic accidents every year is 25.6%, and the cable and street lamp faults and the like account for 15.9% every year. Therefore, a large amount of rush repairs occur, and the generated consumables, manpower and the like cause serious loss to national property.
Because the street lamp is not bright, the social influence of road traffic accidents and crime cases is great. And negative influences are brought to the urban image and social stability. After a large number of street lamp facilities are destroyed; the city manager is seriously troubled by the series of problems of secondary accidents such as electric shock and the like.
Because the street lamp is not bright, the social influence of road traffic accidents and crime cases is great. And negative influences are brought to the urban image and social stability. After a large number of street lamp facilities are destroyed; the city manager is seriously troubled by the series of problems of secondary accidents such as electric shock and the like. According to the analysis of the stolen cases of the street lamp cables, 89.9% of the stolen cases of the street lamp cables are obtained by prying open an access door of a lamp post base, and then cutting off the cables and stealing the cables. Traffic accidents cause damage to street lights, also based on the base of the light pole.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an intelligent street lamp anti-theft terminal with remote monitoring, which aims to solve the problems in the background art.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a take intelligent street lamp of remote monitoring to prevent terminal of stealing, includes street lamp pole, satellite positioning device, location service high in the clouds, wisdom lamp pole supervisory equipment and city management system, wisdom lamp pole supervisory equipment installs at the street lamp pole inner wall, wisdom lamp pole supervisory equipment electric connection has satellite positioning device, satellite positioning device and location service high in the clouds looks data intercommunication, just the location service high in the clouds passes through wireless communication protocol and inserts city management system, still be equipped with communication module in the wisdom lamp pole supervisory equipment, wisdom lamp pole supervisory equipment passes through communication module and city management system electric intercommunication.
Preferably, wisdom lamp pole supervisory equipment is still including: the controller is electrically connected with the electronic lock, the acceleration sensor, the Hall current sensor and the communication module.
Preferably, a lighting line is arranged in the street lamp pole and electrically connected with the Hall current sensor.
Preferably, the access door has still been seted up to street light pole bottom, wisdom lamp pole supervisory equipment fixed mounting is in the inboard of access door.
Preferably, the controller is communicated with the city management system through a communication module, and the communication module supports one of GPRS, NB-IOT,4G or 5G communication protocols.
Preferably, the acceleration sensor is divided into an angular velocity sensor and a vibration sensor.
Preferably, the inner side of the access door is fixedly connected with an electronic lock, and the access door is locked and fixed with a street lamp pole through the electronic lock.
Preferably, the inside of electronic lock still is equipped with prevents dismouting and puts, prevent that dismouting and put and be used for sending alarm information to the controller after the electronic lock is destroyed by external force.
Preferably, the satellite positioning device specifically adopts a Beidou third-generation satellite positioning system.
(III) advantageous effects
The invention provides an intelligent street lamp anti-theft terminal with remote monitoring, which has the following beneficial effects:
the positioning technologies such as Beidou, GPS and the like are utilized to manage the street lamps by arranging a satellite positioning device; the accurate position information of each lamp pole is uploaded to an urban lighting pipe system platform through a 4G communication technology, and meanwhile, an electronic lock technology is utilized on a lamp pole access door and is provided with an anti-dismounting device; monitoring illegal violence to open the access door; meanwhile, the vibration sensor and the angular velocity sensor are used for monitoring the lamp post of the street lamp, monitoring whether the lamp post and the access door have vibration, displacement and the like, and immediately uploading to a management system for alarming if the vibration, the displacement and the like are found. Maintainers can immediately check or alarm to avoid the theft condition, and the hall current sensor is arranged to monitor the street lamp line current in real time, monitor whether the street lamp has a fault according to the current magnitude and the like, if the street lamp has the open circuit and short circuit condition, immediately upload alarm information to the management system, and the management platform arranges the maintainers to overhaul according to the actual condition. The technologies such as GPRS, NB-IOT,4G/5G and the like are utilized to prevent the theft of the street lamp by combining the real-time regulation and control of the controller with the communication module, so that the fault diagnosis of the street lamp is realized, and the vibration alarm and the displacement alarm are carried out on the street lamp. The street lamp access door is controlled, so that non-urban maintenance personnel cannot illegally open the access door, and the street lamp access door is provided with an anti-dismantling alarm device and is combined with an urban street lamp management platform; each street lamp pole is monitored in real time, and a positioning system is combined, so that the street lamp pole is convenient to overhaul quickly, the protection of street lamp equipment is enhanced, and the original theft prevention of street lamps and street lamp cables is turned into active early warning from passive alarming; the street lamp fault maintenance is actively detected by passive removal steering, and the street lamp state monitoring is uploaded to a city management system in real time by original passive inspection steering. The street lamp pole access door realizes remote authorized unlocking through the electronic lock, and triggers an alarm after external strong force is damaged, so that the accident rate of street lamp cables can be reduced by more than 90%; the rate of solving a case can be improved by 60 percent. The street lamp fault early warning time can be prolonged by more than 70%, and the current use situation of the street lamps in the existing city can be greatly improved.
Drawings
FIG. 1 is a block diagram of the system of the present invention.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.
The embodiment of the invention provides an intelligent anti-theft street lamp terminal with remote monitoring, which comprises a street lamp pole, a satellite positioning device, a positioning service cloud end, intelligent lamp pole monitoring equipment and a city management system, wherein the intelligent lamp pole monitoring equipment is arranged on the inner wall of the street lamp pole and is electrically connected with the satellite positioning device, the satellite positioning device is in data communication with the positioning service cloud end, the positioning service cloud end is connected into the city management system through a wireless communication protocol, a communication module is further arranged in the intelligent lamp pole monitoring equipment, and the intelligent lamp pole monitoring equipment is electrically communicated with the city management system through the communication module.
Wisdom lamp pole supervisory equipment is still including: the intelligent street lamp post monitoring device comprises a controller, an electronic lock, an acceleration sensor and a Hall current sensor, wherein the controller is electrically connected with the electronic lock, the acceleration sensor, the Hall current sensor and a communication module, a lighting circuit is arranged in a street lamp post and is electrically connected with the Hall current sensor, an access door is also arranged at the bottom of the street lamp post, intelligent lamp post monitoring equipment is fixedly arranged at the inner side of the access door, the controller is communicated with a city management system through the communication module, the communication module supports one of GPRS, NB-IOT,4G or 5G communication protocols, the GPRS or 4G communication can adopt communication equipment and technology provided by China mobile companies, the acceleration sensor is divided into an angular velocity sensor and a vibration sensor, the inner side of the access door is also fixedly connected with the electronic lock, the access door is locked and fixed with the street lamp post through the electronic lock, and an anti-disassembly device is also arranged in the electronic lock, the anti-dismounting device is used for sending alarm information to the controller after the electronic lock is damaged by external force, and the satellite positioning device specifically adopts a Beidou third-generation satellite positioning system.
The working principle is as follows: the intelligent terminal with the Beidou positioning function is arranged on the back of the street lamp access door. The Beidou positioning technology can accurately position accurate geographical position information of each street lamp pole; the position is uploaded to an urban street lamp management system through communication technologies such as 4G and the like; the access door is locked by the electronic lock through the inside, and a layperson cannot open the access door under the condition of no background authorization. Through violence opening, the anti-dismounting device can give an alarm to the city street lamp management system through 4G communication technology at once. The acceleration sensor monitors the state of the lamp post, and displacement or vibration gives an alarm to the urban street lamp management system through the 4G communication technology. The Hall current sensor analyzes whether the street lamp has a fault or not by monitoring the street lamp current. And alarming to the city street lamp management system after detecting the fault. The management system assigns accurate fault points to maintenance personnel, so that the maintenance personnel can quickly and accurately overhaul and remove the fault points to the bottom. The effects of theft prevention, damage prevention and quick fault early warning are achieved.
In conclusion, the invention utilizes the positioning technologies such as Beidou, GPS and the like to the street lamp management by arranging the satellite positioning device; the accurate position information of each lamp pole is uploaded to an urban lighting pipe system platform through communication technologies such as 4G, and meanwhile, the electronic lock technology is utilized to a lamp pole access door and is provided with an anti-dismounting device; monitoring illegal violence to open the access door; meanwhile, the vibration sensor and the angular velocity sensor are used for monitoring the lamp post of the street lamp, monitoring whether the lamp post and the access door have vibration, displacement and the like, and immediately uploading to a management system for alarming if the vibration, the displacement and the like are found. Maintainers can immediately check or alarm to avoid the theft condition, and the hall current sensor is arranged to monitor the street lamp line current in real time, monitor whether the street lamp has a fault according to the current magnitude and the like, if the street lamp has the open circuit and short circuit condition, immediately upload alarm information to the management system, and the management platform arranges the maintainers to overhaul according to the actual condition. The technologies such as GPRS, NB-IOT,4G/5G and the like are utilized to prevent the theft of the street lamp by combining the real-time regulation and control of the controller with the communication module, so that the fault diagnosis of the street lamp is realized, and the vibration alarm and the displacement alarm are carried out on the street lamp. The street lamp access door is controlled, so that non-urban maintenance personnel cannot illegally open the access door, and the street lamp access door is provided with an anti-dismantling alarm device and is combined with an urban street lamp management platform; each street lamp pole is monitored in real time, and a positioning system is combined, so that the street lamp pole is convenient to overhaul quickly, the protection of street lamp equipment is enhanced, and the original theft prevention of street lamps and street lamp cables is turned into active early warning from passive alarming; the street lamp fault maintenance is actively detected by passive removal steering, and the street lamp state monitoring is uploaded to a city management system in real time by original passive inspection steering. The street lamp pole access door realizes remote authorized unlocking through the electronic lock, and triggers an alarm after external strong force is damaged, so that the accident rate of street lamp cables can be reduced by more than 90%; the rate of solving a case can be improved by 60 percent. The street lamp fault early warning time can be prolonged by more than 70%, and the current use situation of the street lamps in the existing city can be greatly improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a take intelligent street lamp of remote monitoring to prevent terminal of stealing, includes street lamp pole, satellite positioning device, location service high in the clouds, wisdom lamp pole supervisory equipment and city management system, wisdom lamp pole supervisory equipment installs at the street lamp pole inner wall, wisdom lamp pole supervisory equipment electric connection has satellite positioning device, satellite positioning device and location service high in the clouds looks data intercommunication, just the location service high in the clouds passes through wireless communication protocol and inserts city management system, still be equipped with communication module in the wisdom lamp pole supervisory equipment, wisdom lamp pole supervisory equipment passes through communication module and city management system electric intercommunication.
2. The intelligent street lamp anti-theft terminal with remote monitoring according to claim 1, characterized in that: wisdom lamp pole supervisory equipment is still including: the controller is electrically connected with the electronic lock, the acceleration sensor, the Hall current sensor and the communication module.
3. The intelligent street lamp anti-theft terminal with remote monitoring according to claim 2, characterized in that: and a lighting circuit is arranged in the street lamp pole and is electrically connected with the Hall current sensor.
4. The intelligent street lamp anti-theft terminal with remote monitoring according to claim 2, characterized in that: an access door has still been seted up to street light pole bottom, wisdom lamp pole supervisory equipment fixed mounting is in the inboard of access door.
5. The intelligent street lamp anti-theft terminal with remote monitoring according to claim 2, characterized in that: the controller is communicated with the city management system through a communication module, and the communication module supports one of GPRS, NB-IOT,4G or 5G communication protocols.
6. The intelligent street lamp anti-theft terminal with remote monitoring according to claim 2, characterized in that: the acceleration sensor is divided into an angular velocity sensor and a vibration sensor.
7. The intelligent street lamp anti-theft terminal with remote monitoring according to claim 2, characterized in that: the inside of access door still fixedly connected with electronic lock, the access door passes through electronic lock and street lamp pole looks closure fixed.
8. The intelligent street lamp anti-theft terminal with remote monitoring according to claim 7, characterized in that: the inside of electronic lock still is equipped with prevents dismouting and puts, prevent that dismouting and put and be used for sending alarm information to the controller after the electronic lock is destroyed by external force.
9. The intelligent street lamp anti-theft terminal with remote monitoring according to claim 1, characterized in that: the satellite positioning device specifically adopts a Beidou third-generation satellite positioning system.
CN202110326872.7A 2021-03-26 2021-03-26 Intelligent street lamp anti-theft terminal with remote monitoring function Pending CN113266786A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110326872.7A CN113266786A (en) 2021-03-26 2021-03-26 Intelligent street lamp anti-theft terminal with remote monitoring function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110326872.7A CN113266786A (en) 2021-03-26 2021-03-26 Intelligent street lamp anti-theft terminal with remote monitoring function

Publications (1)

Publication Number Publication Date
CN113266786A true CN113266786A (en) 2021-08-17

Family

ID=77228234

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110326872.7A Pending CN113266786A (en) 2021-03-26 2021-03-26 Intelligent street lamp anti-theft terminal with remote monitoring function

Country Status (1)

Country Link
CN (1) CN113266786A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204756740U (en) * 2015-06-16 2015-11-11 江苏亿晖景观照明工程有限公司 Theftproof type solar street lamp
CN205793567U (en) * 2016-05-30 2016-12-07 东南大学 A kind of intelligent road-lamp energy conserving system
CN107218570A (en) * 2017-07-11 2017-09-29 芜湖市神龙新能源科技有限公司 A kind of antitheft LED wisdom street lamp
CN207692096U (en) * 2017-12-22 2018-08-03 鹤壁国立光电科技股份有限公司 A kind of wisdom street lamp control system based on NB-IoT

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204756740U (en) * 2015-06-16 2015-11-11 江苏亿晖景观照明工程有限公司 Theftproof type solar street lamp
CN205793567U (en) * 2016-05-30 2016-12-07 东南大学 A kind of intelligent road-lamp energy conserving system
CN107218570A (en) * 2017-07-11 2017-09-29 芜湖市神龙新能源科技有限公司 A kind of antitheft LED wisdom street lamp
CN207692096U (en) * 2017-12-22 2018-08-03 鹤壁国立光电科技股份有限公司 A kind of wisdom street lamp control system based on NB-IoT

Similar Documents

Publication Publication Date Title
CN107644554A (en) A kind of highway communication maintenance is deployed to ensure effective monitoring and control of illegal activities safely intelligent management system
CN108961768A (en) The unmanned police cruiser of one kind and patrol method
CN101325002B (en) Method and system for recognizing license plate intelligently
WO2013034872A2 (en) An improved lamp column
CN111275980A (en) Big data application platform based on Internet + intelligent traffic video monitoring management system
CN207352782U (en) A kind of highway communication maintenance is deployed to ensure effective monitoring and control of illegal activities safely intelligent management system
CN103366412A (en) Vehicle-mounted road traffic automobile violation correcting black box
CN203447679U (en) Fire hydrant state detection device
CN102431579A (en) Intelligent monitoring management system for railway crossing
CN108288384A (en) Motor vehicle intelligent manages big data platform system
CN102916465A (en) Embedded multifunctional charging device for monitoring multimedia messages in real time
CN110517430A (en) A kind of road lighting cable anti-thefting monitoring method
CN105160781A (en) Monitoring system used for detecting displacement of well lid
CN113628425A (en) Highway guardrail striking monitoring alarm device
CN105427555A (en) Remote monitoring system for manhole cover facilities
CN108305417A (en) Intelligent well cover theft management system
CN209412722U (en) It stops in emergency in a kind of tunnel band induction warning system
CN105374178A (en) Manhole cover facility intelligent monitoring system
CN201210352Y (en) Intelligent vehicular license plate recognition system
CN113266786A (en) Intelligent street lamp anti-theft terminal with remote monitoring function
CN205983713U (en) Wireless monitoring alarm system is decreased in theftproof of electric power well
CN108729474A (en) A kind of intelligence inspection well cover managing and control system
CN109173133A (en) A kind of fire hydrant monitoring system and monitoring method
CN213601392U (en) Road intelligent early warning system based on road condition information
CN108099669A (en) A kind of public electric car antitheft filling electric equipment

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
RJ01 Rejection of invention patent application after publication

Application publication date: 20210817

RJ01 Rejection of invention patent application after publication