CN112765423A - City perception base station - Google Patents

City perception base station Download PDF

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Publication number
CN112765423A
CN112765423A CN202110054772.3A CN202110054772A CN112765423A CN 112765423 A CN112765423 A CN 112765423A CN 202110054772 A CN202110054772 A CN 202110054772A CN 112765423 A CN112765423 A CN 112765423A
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sensing
base station
communication
city
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蔡越
潘怡宏
张辛平
欧阳于蓝
李君峰
汪洋
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Central and Southern China Municipal Engineering Design and Research Institute Co Ltd
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Central and Southern China Municipal Engineering Design and Research Institute Co Ltd
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Abstract

The invention discloses a city sensing base station, which comprises a sensing terminal, a control terminal and a communication terminal, wherein the sensing terminal comprises a panoramic sensing module, a sound source sensing module, a space and state sensing module, an environment sensing module and a biological detection module, the modules are respectively subjected to information interaction and self-adaptive sensing with the control terminal through a CAN (controller area network) bus, the control terminal is in communication connection with the communication terminal, and information sharing and transmission with an external terminal are realized through the communication terminal; the communication terminal comprises a short-range communication module and an optical fiber communication module; the control terminal comprises an end edge operation module, and the end edge operation module is an SOC chip integrating an NPU acceleration module by adopting an ARM architecture; the urban comprehensive treatment system has the advantages that the required multi-factor information of urban comprehensive treatment is comprehensively captured, the data management cost is reduced, the data quality is improved, the data showing capability is improved, and the urban comprehensive treatment is supported efficiently and at low cost while the information entries are unified.

Description

City perception base station
Technical Field
The invention relates to the technical field of smart cities, in particular to a city perception base station.
Background
A plurality of urban problems such as traffic jam, environmental pollution, security monitoring, epidemic situation control and the like are exposed in the urban modern construction process, and the urban comprehensive treatment needs to be assisted by adopting big data and a cloud computing technology urgently. Urban comprehensive treatment needs high-quality data support of elements such as urban traffic and environment, the traditional urban data acquisition devices are numerous in types, relatively dispersed, self-made and difficult to be compatible with each other, multi-source data fusion has more barriers, urban comprehensive treatment cannot be effectively supported, and meanwhile redundant data accumulation occupies a cloud platform space and increases data management cost (including maintenance of various acquisition devices), so that resource waste is caused. The urban element sensing equipment with intensive functions and data intercommunication is urgently needed to carry out multi-element collection and fusion and support urban comprehensive treatment more efficiently.
Disclosure of Invention
The invention provides a city sensing base station, which is used for comprehensively capturing multi-element information required by comprehensive treatment of a city, unifying information entries, reducing data management cost, improving data quality, improving data rendering capability and supporting the comprehensive treatment of the city with high efficiency and low cost.
In order to achieve the technical purpose, the invention provides a city sensing base station, which comprises a sensing terminal, a control terminal and a communication terminal, wherein the sensing terminal comprises a panoramic sensing module, a sound source sensing module, a space and state sensing module, an environment sensing module and a biological detection module; the panoramic sensing module, the sound source sensing module, the space and state sensing module, the environment sensing module and the biological detection module respectively perform information interaction and self-adaptive sensing with a control terminal through a CAN bus, the control terminal is in communication connection with the communication terminal, and information sharing and transmission with an external terminal are realized through the communication terminal; the communication terminal comprises a short-range communication module and an optical fiber communication module; the control terminal comprises an end edge operation module, and the end edge operation module is an SOC chip integrating an NPU acceleration module by adopting an ARM architecture.
Preferably, the panoramic sensing module acquires panoramic view angle information through a panoramic camera.
Preferably, the sound source perception module realizes accurate sonar identification by a plurality of microphones arranged in an array manner.
Preferably, the biological detection module comprises a face recognition unit and an infrared temperature measurement unit, and the face recognition unit is in communication connection with the panoramic sensing module and is used for recognizing a face in an image shot by the panoramic sensing module; the infrared temperature measuring unit is in communication connection with the face recognition unit and is used for monitoring the body temperature of the people at the intersection shot by the panoramic sensing module.
Preferably, the space and state perception module is composed of a plurality of 4D high definition radars.
Preferably, the environment sensing module comprises an air quality module VOC sensor for monitoring air indexes and a temperature/humidity meter for monitoring outdoor temperature and humidity.
Preferably, the city sensing base station establishes a communication path with a vehicle through the short-range communication module, and establishes a communication path with other city sensing base stations through the optical fiber communication module.
Preferably, the city perception base station realizes vehicle-road cooperative short-range communication through DSRC or C-V2X equipment, and realizes perception base station data remote communication through connection of ONU and OLT equipment and an optical fiber trunk line.
Compared with the prior art, the urban sensing base station has the following beneficial effects:
the functional modules in the urban sensing base station are unified in arrangement principle and scene, the functions can be customized according to the scene subdivision requirements, and the application scene is wide. And the perception base station processes and transmits data through the unified communication terminal and the control terminal, so that the communication and control module investment and the cost of respectively constructing, respectively arranging and respectively maintaining each acquisition terminal are saved while the data format is unified.
According to the urban sensing base station, through base station communication grouping, cross-base station track tracking and element interaction are achieved, urban comprehensive treatment element evaluation analysis reports such as group regional traffic treatment, tail gas emission, atmosphere monitoring and epidemic situation security are formed, treatment ranking and thermodynamic diagrams are formed, and fine management is guided.
The city sensing base station has high quality and strong compatibility data, supports city comprehensive treatment, can be accessed to a data center station, realizes data sharing through a data API (application program interface), improves data rendering capability, is accessed to a city comprehensive treatment platform, issues sensing information facing the public and promotes intelligent travel of residents.
Compared with the traditional data acquisition device, the urban sensing base station has the characteristics of accurate information acquisition, unified data format, high structuralization degree, strong expansibility, intellectualization, high self-adaption degree, wide application range and the like, and is an organic combination and an important innovation of a new base in the urban comprehensive treatment fields of traffic, security and the like.
Drawings
Fig. 1 is a block diagram of a block structure of a city sensing base station according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides a city sensing base station, as shown in fig. 1, the city sensing base station comprises a sensing terminal 10, a control terminal 20 and a communication terminal 30, the sensing terminal 10 performs information interaction and self-adaptive sensing with the control terminal 20 through a CAN bus, the control terminal 20 is in communication connection with the communication terminal 30, and information sharing and transmission with an external terminal are realized through the communication terminal 30.
The sensing terminal 10 includes a panoramic sensing module 11, a sound source sensing module 12, a space and state sensing module 13, an environment sensing module 14, and a biological detection module 15. The panoramic sensing module 11 is implemented by using a panoramic camera to acquire panoramic view angle information, and is preferably implemented by assembling a DS-2CD698 6984F-ih(s) (ac) (/ NFC)3200 ten thousand 1/1.8 "starlight level panoramic stitching network camera lens module. The sound source perception module 12 realizes accurate sonar identification for multiple remote sound sources through a plurality of microphones arranged in an array manner. The space and state sensing module 13 consists of a plurality of 4D high-definition radars, so that short plates with dark light rays or difficult information grabbing and monitoring in heavy fog, rain and snow weather of the optical camera are made up, a monitoring network which is parallel and complementary with the panoramic camera is formed after networking, further turning vehicle meeting, sight blind areas and road risks can be early warned in advance, and the short plates for early warning in advance of traditional video monitoring are expanded; the 4D high-definition radar preferably adopts 79GHZ millimeter wave radar. The environment sensing module 14 comprises an air quality module VOC sensor for monitoring air indexes and a temperature/humidity meter for monitoring outdoor temperature and humidity, and the environment sensing module 14 can monitor tail gas, atmospheric visibility, PM2.5 and other air indexes, so as to form a block atmosphere management evaluation report and an energy-saving emission-reduction environment report and guide the block to be unit environment management. The biological detection module 15 comprises a face recognition unit and an infrared temperature measurement unit, wherein the face recognition unit is in communication connection with the panoramic sensing module 11 and is used for recognizing a face in an image shot by the panoramic sensing module 11; the infrared temperature measurement unit is in communication connection with the face recognition unit and is used for monitoring the body temperature of intersection people shot by the panoramic sensing module 11, intersection lighting waiting people data can be formed by combining information acquisition of the panoramic sensing module 11, heating people can be locked, and through communication of city sensing base station groups, people track tracking and optimization are realized, and the biological detection module 15 selects a TiX640 thermal infrared imager module for use.
Specifically, the panoramic camera is mounted on a vertical rod beside a road, the height of the panoramic camera from the ground is 6m, the panoramic camera can be mounted in a front mode or in a side mode, the interval between adjacent panoramic sensing modules 11 is 25m, if a gun-shaped panoramic camera is matched, the panoramic camera can extend to 50m, and the microphone and the panoramic camera are arranged together to realize sound and picture information coupling monitoring together; the 4D high-definition radar is arranged at the intersection, and the 4D high-definition radar is arranged at one place at intervals of 200-400 m. The environment sensing module 14 is arranged at the intersection, and the straight sections do not need to be fully distributed, and only the main nodes are arranged.
The urban sensing base station is provided with a shell, and the panoramic camera and the microphone are arranged on the outer side of the shell of the urban sensing base station; the VOC sensor, the temperature/humidity meter, the 4D high-definition radar and the thermal infrared imager module are arranged in a shell of the urban sensing base station, but a signal emitter and a signal receiver of the 4D high-definition radar extend out of the urban shell; and airflow interaction windows are arranged on two sides of the shell.
The scene of panorama perception module 11, sound source perception module 12, space and state perception module 13, environmental perception module 14, biological detection module 15 is compatible each other, and for saving the arrangement cost, preferably in straight highway section, every 50 ~ 100m sets up the perception basic station that only has panorama perception function, sound source recognition function and biological detection function, every 200 ~ 400m can set up full function perception basic station or remove the perception basic station of environmental perception function, the condition that the interval is incompatible and leads to the repeated arrangement and construction can not appear.
The panoramic sensing module 11, the sound source sensing module 12, the space and state sensing module 13, the environment sensing module 14 and the biological detection module 15 perform information interaction and adaptive sensing with the control terminal 20 through the CAN bus, the control terminal 20 is in communication connection with the communication terminal 30, and information sharing and transmission with an external terminal are realized through the communication terminal 30.
The control terminal 20 comprises an end edge operation module 21, wherein the end edge operation module 21 is an SOC chip integrating an NPU acceleration module by adopting an ARM architecture; the data acquired by the sensing terminal 10 in real time is communicated with the control terminal 20 through the CAN bus, data preprocessing is carried out through the end edge calculation module, different sensing modes are adaptively switched according to different road conditions, and the acquisition frequency of each module is adjusted. Such as: when the environment changes frequently, the environment monitoring frequency can be moderately improved; when the sound source identifies a dangerous distress call or overhigh noise, the terminal drives the panoramic sensing module 11 to perform targeted snapshot; when the biological detection finds a heating crowd, the control terminal 20 drives the camera to lock and track the crowd; when lane-level vehicle positioning is needed, road boundary information can be collected through a 4D high-definition radar, lane line information collected by a camera is combined, real-time lane-level positioning of vehicles is achieved, and full-scene lane flow monitoring and accurate vehicle guidance are achieved through base station grouping. The data collected and processed by the perception base station can be in short-range communication with a vehicle and a signal terminal through DSRC or C-V2X, and is accessed into optical fiber communication through ONU and OLT to be in information interaction with the vehicle, the signal terminal, a monitoring center and an intelligent traffic control platform; the data processing can be realized by the existing threshold comparison calculation and image recognition technology.
The communication terminal 30 comprises a short-range communication module 31 and an optical fiber communication module 32, the short-range communication module 31 adopts DSRC or C-V2X equipment to realize vehicle-road cooperative short-range communication, the optical fiber communication module 32 is connected with an optical fiber trunk line through ONU and OLT equipment to realize sensing base station data remote communication, and information interaction between the base station and the base station, a transportation tool, a roadside traffic device and a background monitoring center or an intelligent traffic control platform is ensured. The city perception base station realizes information interaction with vehicles through the short-range communication module 31, and realizes perception base station data remote communication through the optical fiber communication module 32, namely the city perception base station realizes vehicle-road cooperative short-range communication through DSRC or C-V2X equipment, and realizes perception base station data remote communication through connection of ONU and OLT equipment and an optical fiber trunk line.
The urban sensing base station is used as an integrated sensing device and can be carried on a lamp post, a traffic light or a road side independently arranged lamp post according to actual requirements and application scenes. Under a normal working state, the sensing base station can acquire video live-action information on two sides of a road through the panoramic sensing module 11; the sound source perception module 12 is used for identifying the surrounding sound field, and realizing distress identification, noise monitoring, whistle snapshotting and the like; monitoring a road side moving target through a space and state sensing module 13 to obtain state information such as size, outline, speed, position and the like of the target; the biological detection module 15 is used for monitoring the temperature of the organism, and the target positioning and cross-base station tracking of the heating crowd can be realized by combining a camera; through the environmental perception module 14, the exhaust emission of the road junction and the PM2.5 can be monitored, and the environmental states such as the weather condition, the atmospheric visibility and the like are identified to assist in traffic guidance. The functional modules in the city perception base station are unified in arrangement principle and scene, the functions can be customized according to the scene subdivision requirements, and the application scene is wide. And the perception base station processes and transmits data through the unified communication terminal 30 and the control terminal 20, so that the data format is unified, and meanwhile, the communication and control module investment and the cost of respectively constructing, respectively arranging and respectively maintaining each acquisition terminal are saved.
According to the urban sensing base station, through base station communication grouping, cross-base station track tracking and element interaction are achieved, urban comprehensive treatment element evaluation analysis reports such as group regional traffic treatment, tail gas emission, atmosphere monitoring and epidemic situation security are formed, treatment ranking and thermodynamic diagrams are formed, and fine management is guided.
The city sensing base station has high quality and strong compatibility data, supports city comprehensive treatment, can be accessed to a data center station, realizes data sharing through a data API (application program interface), improves data rendering capability, is accessed to a city comprehensive treatment platform, issues sensing information facing the public and promotes intelligent travel of residents.
Compared with the traditional data acquisition device, the urban sensing base station has the characteristics of accurate information acquisition, unified data format, high structuralization degree, strong expansibility, intellectualization, high self-adaption degree, wide application range and the like, and is an organic combination and an important innovation of a new base in the urban comprehensive treatment fields of traffic, security and the like.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
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 (8)

1. A city perception base station is characterized by comprising a perception terminal, a control terminal and a communication terminal, wherein the perception terminal comprises a panoramic perception module, a sound source perception module, a space and state perception module, an environment perception module and a biological detection module; the panoramic sensing module, the sound source sensing module, the space and state sensing module, the environment sensing module and the biological detection module respectively perform information interaction and self-adaptive sensing with a control terminal through a CAN bus, the control terminal is in communication connection with the communication terminal, and information sharing and transmission with an external terminal are realized through the communication terminal; the communication terminal comprises a short-range communication module and an optical fiber communication module; the control terminal comprises an end edge operation module, and the end edge operation module is an SOC chip integrating an NPU acceleration module by adopting an ARM architecture.
2. The city sensing base station of claim 1, wherein the panoramic sensing module is configured to collect panoramic view information via a panoramic camera.
3. The city perception base station according to claim 1, wherein the sound source perception module realizes precise sonar identification for multiple sound sources at a long distance through a plurality of microphones arranged in an array.
4. The city sensing base station according to claim 1, wherein the biological detection module comprises a face recognition unit and an infrared temperature measurement unit, the face recognition unit is in communication connection with the panoramic sensing module and is used for recognizing a face in an image taken by the panoramic sensing module; the infrared temperature measuring unit is in communication connection with the face recognition unit and is used for monitoring the body temperature of the people at the intersection shot by the panoramic sensing module.
5. The city awareness base station of claim 1, wherein the space and state awareness module comprises a plurality of 4D high definition radars.
6. The city sensing base station of claim 1, wherein the environment sensing module comprises an air quality module (VOC) sensor for monitoring air indexes and a temperature/humidity meter for monitoring outdoor temperature and humidity.
7. The city-aware base station of claim 1, wherein the city-aware base station establishes a communication path with a vehicle via the short-range communication module, and establishes a communication path with other city-aware base stations via the optical fiber communication module.
8. The city sensing base station of claim 1, wherein the city sensing base station implements cooperative short-range communication of vehicle routes through DSRC or C-V2X equipment, and implements remote data communication of the sensing base station through connection of ONU and OLT equipment with fiber trunk.
CN202110054772.3A 2021-01-15 2021-01-15 City perception base station Pending CN112765423A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113405546A (en) * 2021-05-18 2021-09-17 智能移动机器人(中山)研究院 Global sensing early warning system of intelligent sensing sensor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113405546A (en) * 2021-05-18 2021-09-17 智能移动机器人(中山)研究院 Global sensing early warning system of intelligent sensing sensor

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