CN107134158B - Intelligent control system for expressway - Google Patents
Intelligent control system for expressway Download PDFInfo
- Publication number
- CN107134158B CN107134158B CN201710542647.0A CN201710542647A CN107134158B CN 107134158 B CN107134158 B CN 107134158B CN 201710542647 A CN201710542647 A CN 201710542647A CN 107134158 B CN107134158 B CN 107134158B
- Authority
- CN
- China
- Prior art keywords
- information
- early warning
- server
- highway
- warning mechanism
- 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.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Traffic Control Systems (AREA)
- Alarm Systems (AREA)
Abstract
The invention provides an intelligent control system for a highway, which comprises a road condition monitoring system, a data collecting system, a server, an early warning mechanism, a data display platform, a management terminal and a user terminal. The invention can supervise the condition of the highway section in real time, integrate the originally dispersed information of various highways, guide the early warning mechanism and the field personnel to react, and simultaneously directly send part of the information to the user terminal to provide travel guidance for the user, thereby improving the traffic rate of the highway; aiming at the early warning mechanism (terminal equipment), a series of processes from monitoring of the self state of the early warning mechanism to operation and maintenance of early warning after a fault occurs and then to guidance of field workers are unified, so that management of the passing condition of the highway is better promoted, the occurrence of accidental risks is prevented, and the passing efficiency is improved.
Description
Technical Field
The invention relates to the field of highway service, in particular to an intelligent control system for a highway.
Background
With the vigorous advance of national infrastructure, the expressway in China is continuously and rapidly developed for 17 years, so that the overall level of the highway infrastructure is historically crossed. Today, the speed and convenience of highways have also gone into the lives of common people, changing people's spatiotemporal concepts and lifestyles. According to incomplete statistics, dynamic monitoring data of 23 provincial expressways in China are displayed: the total traffic volume on the highway 2016 across the country is 513544 ten thousand times. However, the traffic jam of the highway in China is very serious, and the traffic jam of the highway in China is not reflected at all, so that the traveling quality of common people is greatly influenced, the highway in China can be jammed very often every holiday, and the spring transportation in spring becomes a pronoun of jam. The congestion is caused by a plurality of reasons, namely the influence of natural weather: fog, rain, snowfall, hail, strong wind; man-made effects, such as illegal behaviors and traffic accidents; the influence of high-speed equipment, such as damage of fog lamps and speed indicator lamps. Most of the existing related technical solutions are monitored by a traffic control bureau and then issued to a platform for users to inquire, but the user experience of the method is very low, the users need to actively inquire by themselves instead of directly acquiring the road condition information appearing in the users, and the road condition information is very complex and relates to monitoring videos, traffic flow, weather, equipment faults and the like, so that a plurality of departments such as the traffic control bureau and the weather bureau are required to issue information respectively, the users need to inquire different data on different platforms, the information cannot be unified and is very dispersed, and the users and managers are very inconvenient to acquire the information and take measures.
Disclosure of Invention
Therefore, the invention provides an intelligent control system for the highway, which solves the problems that various information is dispersed in the use of the existing highway, and users and managers are extremely inconvenient to acquire the information and take measures.
The technical scheme of the invention is realized as follows: the intelligent control system for the expressway comprises a road condition monitoring system, a data collecting system, a server, an early warning mechanism, a data display platform, a management terminal and a user terminal; the road condition monitoring system is used for collecting congestion information, traffic flow information, vehicle speed information and highway environment information and comprises a video monitor for collecting the congestion information, infrared sensing equipment for collecting the traffic flow information, a speed measuring sensor for collecting the vehicle speed information and an environment sensor for collecting the highway environment information; the data collection system is used for collecting meteorological data from a third party; the early warning mechanism is used for displaying early warning information to a driver, uploading self state information to the server in real time and receiving a server command; the server receives and processes information from a road condition monitoring system and an early warning mechanism, and then issues the processed information; the data display platform receives the information processed by the server and the meteorological data from the data collection system and provides the meteorological data for a user to watch; the user terminal serves a common user and receives information processed by the server and meteorological data from the data collection system; the management terminal serves managers, receives information processed by the server and meteorological data from the data collection system, and remotely controls the early warning mechanism through the server.
Further, the server receives and processes information from the road condition monitoring system and the early warning mechanism, and then issues the processed information, including: the server receives congestion information, traffic flow information, vehicle speed information and highway environment information from a road condition monitoring system, judges whether congestion exists or not, whether the traffic flow is overlarge or not, whether the vehicle speed is too fast or not and whether the environment is not suitable for driving or not, and when the judgment results are negative, the information is sent to a management terminal, a user terminal and a data display platform; when the congestion and/or the traffic flow is too large and/or the environment is not suitable for driving, sending a command to an early warning mechanism to display early warning information, and when the speed is judged to be too fast, sending a command to a client terminal to display the early warning information; and the server receives the self state information uploaded by the early warning mechanism, judges whether the self state information is abnormal or not, issues the normal information to the management terminal, the user terminal and the data display platform if the self state information is judged to be normal information, and sends reminding information to the management terminal if the self state information is judged to be abnormal information.
Further, the abnormal information includes abnormal information in which an abnormality does not repeatedly occur within 30 seconds to 3 minutes or normal abnormal information in which an abnormality repeatedly occurs within 30 seconds to 3 minutes, if the abnormal information is determined, the server does not process the abnormal information, and if the abnormal information is determined to be the normal abnormal information, the server sends a reminding message to the management terminal.
Further, the reminding information comprises remote processing information with low processing priority and field processing information with high processing priority, the remote processing information is reminding information which can be processed by the server for judging remote control, and the field processing information is reminding information which is required to be processed by field personnel for the server for judging.
Further, the early warning mechanism comprises a fog lamp and an indicator lamp, and the early warning information comprises fog information displayed by the fog lamp, congestion information displayed by the indicator lamp, traffic flow information displayed by the indicator lamp and overspeed information displayed by the client terminal.
Further, the congestion information includes moving state information of the vehicle within a certain interval at a certain time.
Further, the highway environment information comprises fog information, rain information, wind speed information, temperature information and humidity information.
Through the disclosure, the beneficial effects of the invention are as follows: the system comprises a server, a client terminal, a warning mechanism, a server and a server, wherein the server collects congestion information, traffic flow information, vehicle speed information, self state information of the warning mechanism and highway environment information in real time, analyzes the congestion information, sends the congestion information, the traffic flow information, the vehicle speed information, the self state information of the warning mechanism and the highway environment information in a centralized manner, displays and reminds the congestion information, collects and arranges traditional data, and feeds the traditional data back to managers and users; the real-time state monitoring of the early warning mechanism (fog lamp and indicator lamp) can be realized by remote control and field processing, the labor intensity of managers is greatly reduced, and the efficiency is improved. The invention can supervise the condition of the highway section in real time, integrate the originally dispersed information of various highways, guide the early warning mechanism and the field personnel to react, and simultaneously directly send part of the information to the user terminal to provide travel guidance for the user, thereby improving the traffic rate of the highway; aiming at the early warning mechanism (terminal equipment), a series of processes from monitoring of the self state of the early warning mechanism to operation and maintenance of early warning after a fault occurs and then to guidance of field workers are unified, so that management of the passing condition of the highway is better promoted, the occurrence of accidental risks is prevented, and the passing efficiency is improved. In conclusion, the invention solves the problems that various information is dispersed in the use of the existing expressway, and users and managers are extremely inconvenient to acquire the information and take measures.
Drawings
FIG. 1 is a system diagram of the present invention.
Fig. 2 is a flowchart of the server receiving the warning mechanism information according to the present invention.
Detailed Description
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.
Referring to fig. 1-2, the intelligent control system for the highway comprises a road condition monitoring system, a data collecting system, a server, an early warning mechanism, a data display platform, a management terminal and a user terminal.
The road condition monitoring system is used for collecting congestion information, traffic flow information, vehicle speed information and highway environment information and comprises a video monitor for collecting the congestion information, infrared sensing equipment for collecting the traffic flow information, a speed measuring sensor for collecting the vehicle speed information and an environment sensor for collecting the highway environment information.
The data collection system is used for collecting meteorological data from a third party.
The early warning mechanism is used for displaying early warning information to a driver, uploading self state information to the server in real time and receiving a server command.
The server receives and processes information from the road condition monitoring system and the early warning mechanism, and then issues the processed information to the management terminal, the user terminal and the data display platform, and the method specifically comprises the following steps: the method comprises the steps that a server receives congestion information, traffic flow information, vehicle speed information and highway environment information from a road condition monitoring system, wherein the congestion information comprises the moving state of vehicles within a certain time and a certain interval range, the highway environment information comprises fogging information, rainfall information, wind speed information, temperature information and humidity information, whether congestion exists or not, whether the traffic flow is overlarge or not, whether the vehicle speed is too fast or not and whether the environment is not suitable for driving or not are judged, and when the judgment results are negative, the information is sent to a management terminal, a user terminal and a data display platform; when congestion and/or overlarge traffic flow and/or unsuitable driving of the environment is judged, sending a command to an early warning mechanism to display early warning information, and when the speed is judged to be too high, sending a command to a client terminal to display the early warning information, wherein the early warning information comprises fog information displayed by a fog lamp, congestion information displayed by an indicator lamp, traffic flow information displayed by the indicator lamp and overspeed information displayed by the client terminal; and referring to fig. 2, the server receives the self-state information uploaded by the early warning mechanism, judges whether the self-state information is abnormal, and if the self-state information is normal, the server transmits the normal self-state information to the management terminal, the user terminal and the data display platform for real-time data display, and when the self-state information is judged to be abnormal, namely when the self-state information is monitored to be abnormal, the server confirms that the abnormal information is abnormal information which does not repeatedly appear in 30 seconds to 3 minutes or normal abnormal information which repeatedly appears in 30 seconds to 3 minutes, if the abnormal information is confirmed to be abnormal, the server does not process (the abnormal information is transmitted to the management terminal, the user terminal and the data display platform for real-time data display in the same way as the normal self-state information) if the abnormal information is confirmed to be normal abnormal information, the server sends a reminder message to the management terminal. The reminding information comprises remote processing information with low processing priority and field processing information with high processing priority, the remote processing information is reminding information which can be processed by judging remote control by the server, the field processing information is reminding information which needs to be processed by field personnel by the server, when the management terminal receives the remote processing information, the management terminal sends a command to the server to remotely operate the early warning mechanism, and when the management terminal receives the field processing information, the management terminal informs the field personnel to perform task allocation.
And the data display platform receives the information processed by the server and the meteorological data from the data collection system and provides the meteorological data for a user to watch.
The user terminal serves a common user and receives the information processed by the server and the meteorological data from the data collection system.
The management terminal serves managers, receives information processed by the server and meteorological data from the data collection system, remotely controls the early warning mechanism through the server, and specifically comprises: and the manager judges whether the site personnel need to be mobilized for processing according to the reminding information, sends a command to the server through the management terminal to remotely operate the early warning mechanism if the site personnel do not need to process, and informs the site personnel of carrying out task allocation if the site personnel need to process.
In the present embodiment, the degree of abnormality is 1 when the wind speed is 1 to 5, 2 when the wind speed is 6 to 9, and 3 when the wind speed > is 9;
atomizing: the degree of abnormality of visibility >500m in 12 hours is 0, the degree of abnormality of visibility < 500m in 12 hours is 1, the degree of abnormality of visibility < 200m in 6 hours is 2, and the degree of abnormality of visibility < 50m in 6 hours is 3;
rain: the rainfall will be 50 mm or more in 12 hours, or has reached 50 mm or more and the degree of abnormality with which rainfall is likely to continue is 1, the rainfall will be 50 mm or more in 6 hours, or has reached 50 mm or more and the degree of abnormality with which rainfall is likely to continue is 2, the rainfall will be 50 mm or more in 3 hours, or has reached 50 mm or more and the degree of abnormality with which rainfall is likely to continue is 3, and the rainfall will be 100 mm or more in 3 hours or the degree of abnormality with which rainfall is likely to continue is 4.
The server judges the abnormal information of the weather factors, confirms that the abnormal information of the weather factors is abnormal information which does not repeatedly appear in 30 seconds to 3 minutes or normal abnormal information which repeatedly appears in 30 seconds to 3 minutes, if the abnormal information is confirmed to be the abnormal information, the server does not process the abnormal information (the abnormal information is processed in the same way as normal self-state information and is sent to a management terminal, a user terminal and a data display platform to display data in real time), if the abnormal information is confirmed to be the normal abnormal information, the server sends reminding information with different early warning degrees to the management terminal according to the different abnormal degrees, and when the abnormal degree of certain information in the weather factors is more than or equal to 2, the server independently gives an early warning. The reminding information comprises remote processing information with low processing priority and field processing information with high processing priority, the remote processing information is reminding information which can be processed by the server through judging remote control, the field processing information is reminding information which is judged by the server and needs to be processed by field personnel, when the management terminal receives the remote processing information, the management terminal sends a command to the server to remotely operate the early warning mechanism, such as turning on a fog light, and when the management terminal receives the field processing information, the management terminal informs the field personnel to perform task distribution, such as performing field drainage processing.
In this embodiment, data transmission is performed through one or more of 2G, 3G, 4G, WiFi and ethernet.
The system comprises a server, a client terminal, a warning mechanism, a server and a server, wherein the server collects congestion information, traffic flow information, vehicle speed information, self state information of the warning mechanism and highway environment information in real time, analyzes the congestion information, sends the congestion information, the traffic flow information, the vehicle speed information, the self state information of the warning mechanism and the highway environment information in a centralized manner, displays and reminds the congestion information, collects and arranges traditional data, and feeds the traditional data back to managers and users; the real-time state monitoring of the early warning mechanism (fog lamp and indicator lamp) can be realized by remote control and field processing, the labor intensity of managers is greatly reduced, and the efficiency is improved.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (5)
1. Highway intelligent control system, its characterized in that: the system comprises a road condition monitoring system, a data collecting system, a server, an early warning mechanism, a data display platform, a management terminal and a user terminal;
the road condition monitoring system is used for collecting congestion information, traffic flow information, vehicle speed information and highway environment information and comprises a video monitor for collecting the congestion information, infrared sensing equipment for collecting the traffic flow information, a speed measuring sensor for collecting the vehicle speed information and an environment sensor for collecting the highway environment information;
the data collection system is used for collecting meteorological data from a third party;
the early warning mechanism is used for displaying early warning information to a driver, uploading self state information to the server in real time and receiving a server command;
the server receives and processes information from a road condition monitoring system and an early warning mechanism, and then issues the processed information;
the data display platform receives the information processed by the server and the meteorological data from the data collection system and provides the meteorological data for a user to watch;
the user terminal serves a common user and receives information processed by the server and meteorological data from the data collection system;
the management terminal serves managers, receives information processed by the server and meteorological data from the data collection system, and remotely controls the early warning mechanism through the server;
the server receives and processes the information from the road condition monitoring system and the early warning mechanism, and then issues the processed information, and the method comprises the following steps: the server receives congestion information, traffic flow information, vehicle speed information and highway environment information from a road condition monitoring system, judges whether congestion exists or not, whether the traffic flow is overlarge or not, whether the vehicle speed is too fast or not and whether the environment is not suitable for driving or not, and when the judgment results are negative, the information is sent to a management terminal, a user terminal and a data display platform; when the congestion and/or the traffic flow is too large and/or the environment is not suitable for driving, sending a command to an early warning mechanism to display early warning information, and when the speed is judged to be too fast, sending a command to a client terminal to display the early warning information;
the server receives the self state information uploaded by the early warning mechanism, judges whether the self state information is abnormal or not, sends the normal information to the management terminal, the user terminal and the data display platform if the self state information is judged to be normal information, and sends reminding information to the management terminal if the self state information is judged to be abnormal information; the abnormal information comprises abnormal information which does not repeatedly appear in 30 seconds to 3 minutes or normal abnormal information which repeatedly appears in 30 seconds to 3 minutes, if the abnormal information is determined to be abnormal information, the server does not process the abnormal information, and if the abnormal information is determined to be normal abnormal information, the server sends reminding information to the management terminal.
2. The intelligent highway control system according to claim 1, wherein: the reminding information comprises remote processing information with low processing priority and field processing information with high processing priority, the remote processing information is reminding information which can be processed by the server by judging remote control, and the field processing information is reminding information which is judged by the server and needs to be processed by field personnel.
3. The intelligent highway control system according to claim 1, wherein: the early warning mechanism comprises a fog lamp and an indicator lamp, and the early warning information comprises fog information displayed by the fog lamp, congestion information displayed by the indicator lamp, traffic flow information displayed by the indicator lamp and overspeed information displayed by the client terminal.
4. The intelligent highway control system according to claim 1, wherein: the congestion information includes moving state information of the vehicle within a certain interval range at a certain time.
5. The intelligent highway control system according to claim 1, wherein: the highway environment information comprises fog information, rain information, wind speed information, temperature information and humidity information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710542647.0A CN107134158B (en) | 2017-07-05 | 2017-07-05 | Intelligent control system for expressway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710542647.0A CN107134158B (en) | 2017-07-05 | 2017-07-05 | Intelligent control system for expressway |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107134158A CN107134158A (en) | 2017-09-05 |
| CN107134158B true CN107134158B (en) | 2020-05-26 |
Family
ID=59737562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710542647.0A Active CN107134158B (en) | 2017-07-05 | 2017-07-05 | Intelligent control system for expressway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107134158B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107862883B (en) * | 2017-12-21 | 2023-06-30 | 天津市中环系统工程有限责任公司 | Fault detection, alarm and operation management system of traffic signal lamp and implementation method |
| CN110379190A (en) * | 2018-08-20 | 2019-10-25 | 北京京东尚科信息技术有限公司 | Vehicle and method and apparatus to vehicle synchronous information |
| CN110278553B (en) * | 2019-06-21 | 2021-05-11 | 同济大学 | Emergency safety protection early warning system |
| CN110428625A (en) * | 2019-08-12 | 2019-11-08 | 安徽赛福贝特信息技术有限公司 | A kind of wisdom traffic big data acquisition early warning system |
| CN111539627A (en) * | 2020-04-23 | 2020-08-14 | 李金阳 | Highway traffic construction inspection system |
| CN112466144A (en) * | 2021-02-03 | 2021-03-09 | 华睿交通科技有限公司 | Road network traffic situation management and control system |
| CN115497292B (en) * | 2022-09-21 | 2024-02-02 | 南京南大安高智能科技发展有限公司 | Real-time monitoring platform for expressway |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7689348B2 (en) * | 2006-04-18 | 2010-03-30 | International Business Machines Corporation | Intelligent redirection of vehicular traffic due to congestion and real-time performance metrics |
| CN103593993B (en) * | 2013-11-27 | 2015-11-25 | 东南大学 | One to have under mist condition through street congestion warning and dynamic method for limiting speed |
| US20150221221A1 (en) * | 2014-02-03 | 2015-08-06 | Visualogistic Technologies, Inc. | Wireless traffic congestion and hazardous condition detection and warning system |
| CN104240011A (en) * | 2014-08-22 | 2014-12-24 | 安徽皖通科技股份有限公司 | Comprehensive commanding and dispatching platform system of expressway |
| CN105405291B (en) * | 2015-12-09 | 2019-03-01 | 清华大学 | Traffic data collection and active prevention and control system |
| CN205845337U (en) * | 2016-08-05 | 2016-12-28 | 山西省交通科学研究院 | A kind of highway low visibility inducible system |
-
2017
- 2017-07-05 CN CN201710542647.0A patent/CN107134158B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107134158A (en) | 2017-09-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107134158B (en) | Intelligent control system for expressway | |
| CN112837535B (en) | Traffic information processing method, device, system, equipment and storage medium | |
| WO2018032938A1 (en) | Probe-based people flow warning and analyzing method and system | |
| KR100963849B1 (en) | Method of providing road weather information and system thereof | |
| CN105324661B (en) | Using the device and method in region and its moving direction that sensor-based luminaire detection visibility reduces | |
| CN102842211A (en) | Monitoring and early warning system and monitoring and early warning method for prevention of external force of transmission line based on image recognition | |
| CN111739308B (en) | Vehicle-road cooperation-oriented road abnormal movement online monitoring system and method | |
| CN112071117A (en) | Highway traffic safety early warning system and method based on vehicle-road cooperation | |
| CN112305641B (en) | Expressway traffic safety meteorological internet of things monitoring and early warning system | |
| CN104077872A (en) | Anti-external force monitoring early warning method of electric transmission line based on image recognition | |
| CN203606954U (en) | Highway weather monitoring system | |
| CN111862656A (en) | Map updating method and device for intelligent carrier, storage medium and processor | |
| CN112489387B (en) | Power distribution construction site safety early warning method based on weather monitoring | |
| KR20180126199A (en) | Control system of streetlight, and method thereof | |
| CN110962886A (en) | Intelligent track monitoring and early warning system | |
| CN206162876U (en) | Road speed limit prison bat system based on visibility detection | |
| CN117014473B (en) | Intelligent networking automobile monitoring system based on end cloud fusion technology | |
| CN202013659U (en) | Intelligent safe traffic information platform based on embedded platform imaging processing and wireless communication | |
| CN111260941A (en) | Road traffic meteorological disaster early warning information issuing method | |
| CN206773223U (en) | One kind is applied to traffic weather environment real time monitoring system | |
| Abdel-Aty et al. | Synthesis of visibility detection systems. | |
| CN113436434A (en) | Mountain trunk highway high-risk road section early warning system and method | |
| CN205354289U (en) | All -weather intelligent alarm system of geological disasters based on multisource video monitoring technique | |
| CN111626598B (en) | Road information management system based on cloud computing | |
| KR102420854B1 (en) | System and method for providing mobile disaster prevention services |
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 | ||
| CB02 | Change of applicant information |
Address after: 610017 Sichuan Province, Chengdu high tech Zone (West) cooperation Road No. 89 Longhu times Street 19 Building 11 floor No. 08 Applicant after: Chengdu Zhiyuan Hangxin Information Technology Co., Ltd Address before: 610017 Sichuan Province, Chengdu high tech Zone (West) cooperation Road No. 89 Longhu times Street 19 Building 11 floor No. 08 Applicant before: CHENGDU JIZHI INFORMATION TECHNOLOGY Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |