CN115512557B - Traffic safety early warning system - Google Patents

Traffic safety early warning system Download PDF

Info

Publication number
CN115512557B
CN115512557B CN202211091291.0A CN202211091291A CN115512557B CN 115512557 B CN115512557 B CN 115512557B CN 202211091291 A CN202211091291 A CN 202211091291A CN 115512557 B CN115512557 B CN 115512557B
Authority
CN
China
Prior art keywords
early warning
fixedly connected
unit
gear
traffic safety
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
Application number
CN202211091291.0A
Other languages
Chinese (zh)
Other versions
CN115512557A (en
Inventor
赵晓宇
刘聪阳
郝志刚
郝鹏
马云岗
田博文
王亚娜
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.)
Ulanqab Jingpu Technical Service Co ltd
Original Assignee
Ulanqab Jingpu Technical Service 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 Ulanqab Jingpu Technical Service Co ltd filed Critical Ulanqab Jingpu Technical Service Co ltd
Priority to CN202211091291.0A priority Critical patent/CN115512557B/en
Publication of CN115512557A publication Critical patent/CN115512557A/en
Application granted granted Critical
Publication of CN115512557B publication Critical patent/CN115512557B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/09Arrangements for giving variable traffic instructions
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00Scenes; Scene-specific elements
    • G06V20/40Scenes; Scene-specific elements in video content
    • G06V20/41Higher-level, semantic clustering, classification or understanding of video scenes, e.g. detection, labelling or Markovian modelling of sport events or news items
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/01Detecting movement of traffic to be counted or controlled
    • G08G1/0104Measuring and analyzing of parameters relative to traffic conditions
    • G08G1/0125Traffic data processing
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/16Anti-collision systems
    • G08G1/166Anti-collision systems for active traffic, e.g. moving vehicles, pedestrians, bikes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Computational Linguistics (AREA)
  • Software Systems (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Traffic Control Systems (AREA)

Abstract

The utility model discloses a traffic safety early warning system, which comprises a storage unit for storing data, and further comprises: the front end sensing unit is used for tracking and positioning a target, detecting the speed, detecting the direction and extracting target structured data; the front end early warning display unit is used for reminding pedestrians and vehicles at the road junction that vehicles need to pay attention to safety; the platform application unit is used for managing road traffic safety early warning service; and the network transmission unit is used for transmitting the early warning signal to the front-end early warning display unit and the platform application unit. When the front-end sensing unit of the traffic safety early warning system detects that an incoming vehicle, a pedestrian or a non-motor vehicle enters an intersection in a collision direction through the radar and the high-definition camera, road information is transmitted to the front-end early warning display part through the network transmission unit, and the front-end early warning display unit displays early warning characters, sounds and warning lamps to remind pedestrians and drivers through the multifunctional early warning screen so as to prevent traffic accidents.

Description

Traffic safety early warning system
Technical Field
The utility model relates to the technical field of traffic early warning, in particular to a traffic safety early warning system.
Background
In recent years, various traffic problems and traffic accidents frequently occur due to the rapid increase of the number of motor vehicles in China. In order to improve the management level of highways at all levels and prevent traffic accidents, the development planning of safe traffic construction for propulsion integrated cooperation is responded to the development planning of the schema (2021-2035) of the development and long-term development planning in the scientific innovation of the traffic field issued by the traffic transportation department and the science and technology department. How to effectively prevent and reduce traffic accidents and improve the traffic safety level of highways by using scientific methods and advanced technologies is urgently needed to be solved.
The traffic information acquisition device comprises a sensor and a GPS positioning device, wherein the sensor comprises a temperature sensor, a vehicle speed sensor and a camera, the temperature sensor, the vehicle speed sensor and the camera are arranged on a street lamp, an automobile body or a billboard, the cloud platform comprises a data storage device and a data processing device, the sensor is connected with the data storage device through wireless or wired transmission equipment, the data storage device transmits data to the data processing device, and the data processing device is connected with the human-computer interaction terminal through wireless data transmission equipment.
The prior art has the defects that the fixed static traffic indication signs are adopted on the roads, the early warning effect of the mode is limited, and pedestrians and vehicles can not accurately and effectively receive the safety early warning information passively through vision and hearing.
Disclosure of Invention
The present utility model is directed to a traffic safety warning system that overcomes the above-mentioned shortcomings of the prior art.
In order to achieve the above object, the present utility model provides the following technical solutions:
the traffic safety early warning system comprises a storage unit for storing data, and further comprises:
the front end sensing unit is used for tracking and positioning a target, detecting the speed, detecting the direction and extracting target structured data;
the front end early warning display unit is used for reminding pedestrians and vehicles at the road junction that vehicles need to pay attention to safety;
the platform application unit is used for managing road traffic safety early warning service and comprises a central control module, wherein the central control module is used for controlling elements in the system;
and the network transmission unit is used for transmitting the early warning signal to the front-end early warning display unit and the platform application unit.
The traffic safety early warning system comprises a front-end sensing unit and a front-end sensing unit, wherein the front-end sensing unit comprises a radar video dual-mode fusion module, and the radar video dual-mode fusion module comprises a radar and a camera and is used for collecting information around early warning points.
The traffic safety early warning system, the front end sensing unit further comprises an AI intelligent edge analysis module, and the AI intelligent edge analysis module comprises:
image processing, which is used for processing the pixel level data in the surrounding information image of the early warning point position acquired by the radar video double-mode fusion module;
image analysis, which is used for extracting an interested target object from the image processed by the image processing;
and the image understanding is used for capturing the graphic features from the image processed by the image processing and analyzing according to the cognitive habit of human vision.
In the traffic safety early warning system, the front-end sensing unit further comprises a data light-weight feedback module, wherein the data light-weight feedback module is used for generating a calculation result by storing effective images and videos of the AI intelligent edge analysis module, and then transmitting the calculation result to the platform application unit through the network transmission unit.
The traffic safety early warning system comprises a front end early warning display unit, a network transmission unit and a front end sensing unit, wherein the front end early warning display unit comprises an early warning screen, a loudspeaker and a warning lamp, after receiving an early warning signal acquired by the front end sensing unit through the network transmission unit, the front end early warning display unit is used for controlling the early warning screen to display early warning characters, controlling the loudspeaker to sound and controlling the warning lamp to light, and the front end early warning display unit is used for reminding surrounding pedestrians and vehicles.
The traffic safety early warning system further comprises a solar energy supply unit, the solar energy supply unit comprises a solar panel, a base, a sleeve and a vertical rod, the solar panel is used for absorbing solar energy and converting the solar energy into electric energy for equipment, the vertical rod is rotationally connected to the base, the sleeve is fixedly connected to the base, the top end of the sleeve is rotationally connected with a cylinder, the top end of the cylinder is fixedly connected with a support frame, the solar panel is fixedly connected to the support frame, a driving mechanism is arranged at the bottom end of the vertical rod, and a speed reducing mechanism is arranged between the vertical rod and the cylinder.
The traffic safety early warning system comprises the speed reducing mechanism, wherein the speed reducing mechanism comprises a first gear, a second gear and a gear ring, the first gear is coaxially fixedly connected to the top end of the vertical rod, the second gear is rotationally connected in the cylinder, the gear ring is fixedly connected to the inner side wall of the cylinder, and the first gear and the gear ring are meshed with the second gear.
In the traffic safety early warning system, the base is provided with the standby power supply assembly.
According to the traffic safety early warning system, the lightning rod is fixedly connected to the top end of the supporting frame.
The traffic safety early warning system comprises a sleeve, wherein a cross rod is fixedly connected to the sleeve, the radar and the camera are fixedly connected to the cross rod, a warning lamp is fixedly connected to a warning screen, a mounting frame is fixedly connected to the outer side wall of the sleeve, a rotating frame is fixedly connected to the warning screen, the rotating frame is rotatably connected with the mounting frame, a casing is fixedly connected to the sleeve, and a transmission mechanism is arranged in the casing.
In the technical scheme, when the front-end sensing unit of the traffic safety early warning system detects that an incoming vehicle, a pedestrian or a non-motor vehicle enters an intersection in a collision direction through the radar and the high-definition camera, road information is transmitted to the front-end early warning display part through the network transmission unit, and the front-end early warning display unit displays early warning characters, sounds and warning lamps to remind the pedestrian and a driver through the multifunctional early warning screen so as to prevent traffic accidents.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a flow chart of a road early warning operation system provided by an embodiment of the utility model;
fig. 2 is a schematic diagram of the overall structure of a solar energy supply unit according to an embodiment of the present utility model;
fig. 3 is a schematic side view of a solar energy supply unit according to an embodiment of the present utility model;
FIG. 4 is a cross-sectional view taken at a-a of FIG. 3;
FIG. 5 is a cross-sectional view taken at b-b of FIG. 3;
FIG. 6 is a schematic view of the internal structure of a housing according to an embodiment of the present utility model;
fig. 7 is a schematic diagram of the overall structure of a fixture block according to an embodiment of the present utility model;
FIG. 8 is an enlarged schematic view of the structure shown at A in FIG. 4;
FIG. 9 is a schematic view illustrating an internal structure of a housing according to another embodiment of the present utility model
Fig. 10 is an exploded view of a first rod and a second rod according to another embodiment of the present utility model.
Reference numerals illustrate:
1. a storage unit; 2. a front end sensing unit; 2.1, radar; 2.2, a video camera; 3. a front end early warning display unit; 3.1, an early warning screen; 3.2, a loudspeaker; 3.3, warning lights; 4. a platform application unit; 5. a network transmission unit; 6. a solar energy supply unit; 7. a solar panel; 8. a base; 9. a vertical rod; 9.1, a first rod body; 9.2, a second rod body; 10. a sleeve; 11. a cylinder; 12. a support frame; 13. a first gear; 14. a second gear; 15. a gear ring; 16. a rotating shaft; 17. a lightning rod; 18. a cross bar; 19. a mounting frame; 20. a rotating frame; 20.1, a circular ring; 21. a housing; 22. a driving wheel; 23. driven wheel; 24. a driving wheel; 25. a sliding seat; 26. a chute; 27. a first spring; 28. an electromagnet; 29. a clamping block; 29.1, a clamping groove; 29.2, trigger button; 30. an opening; 31. a sliding sleeve; 32. a positioning block; 33. a second spring; 34. traction wire; 35. a lifting block; 36. a third spring; 37. a bump; 38. a groove; 39. a lifting frame; 39.1, a circular ring portion; 39.2, a limiting part; 40. a connecting rod; 41. a first wedge block; 42. and a second wedge block.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
Referring to fig. 1 to 10, an embodiment of the present utility model provides a traffic safety warning system, including a storage unit 1 for storing data, further including:
the front end sensing unit 2 is used for tracking and positioning a target, detecting the speed, detecting the direction and extracting target structural data;
the front end early warning display unit 3 is used for reminding pedestrians and vehicles at the crossing that vehicles need to pay attention to safety;
the platform application unit 4 is used for managing road traffic safety early warning service, and the platform application unit 4 comprises a central control module which is used for controlling elements in the system;
and the network transmission unit 5 is used for transmitting the early warning signal to the front-end early warning display unit 3 and the platform application unit 4.
Specifically, the storage unit 1 is a data storage structure, such as a hard disk, (expandable) TF card or other data storage structures in the prior art, and is in communication connection with the front end sensing unit 2, the front end early warning display unit 3, and the platform application unit 4, and is used for storing various data formed in the operation process of the front end sensing unit 2, the front end early warning display unit 3, and the platform application unit 4, and the front end sensing unit 12Is one ofA monitoring, identifying and analyzing structure, such as a laser radar, a high-definition camera or other monitoring devices in the prior art, is in communication connection with a front-end early-warning display unit 3, is used for collecting information around an early-warning point, transmitting the early-warning signal to the front-end early-warning display unit 3 after collecting the early-warning signal of a road, the front-end early-warning display unit 3 is a warning structure, such as an LED display screen, a loudspeaker or other existing warning devices, is connected with a front-end sensing unit 2 through a network transmission unit 5, is used for sending out an audible and visual warning signal to warn pedestrians, vehicles and non-vehicles of danger, the platform application unit 4 is a traffic service auxiliary structure, is connected with the front-end sensing unit 2 and the front-end early-warning unit 3 through the network transmission unit 5, and comprises the functions of data statistics query, early-warning data preview, early-warning data history playback, element control and the like, the central control module (not shown in the figure) is in the prior art and is in communication connection with system elements for controlling the working state of the system elements, the network transmission unit 5 is a data and signal transmission structure, which transmits data and signals through a network cable, a wireless network bridge (optional), a 4G network or a wired network, the function of the arrangement is that the front end sensing unit locks a target and measures and analyzes the speed and the direction of the target, when the obtained result meets the early warning requirement, the front end sensing unit 2 transmits an early warning signal to the front end warning device through the network bridge, the warning device carries out text and acousto-optic early warning after receiving the early warning signal, reminds pedestrians of danger, and after the early warning signal is acquired by the front end sensing unit 2 and after the early warning is carried out by the front end early warning display unit 3, and transmitting the vehicle data, the non-motor vehicle data, the pedestrian data and the early warning data to the platform application unit 4 through a wireless network for visual display.
Further, the front end sensing unit 2 comprises a radar video dual-mode fusion module, the radar video dual-mode fusion module comprises a radar 2.1 and a camera 2.2, and is used for collecting information around an early warning point, specifically, the radar 2.1 is preferably a laser radar 2.1, the camera 2.2 is preferably a 700-kilowatt high-definition CCD camera 2.2, the radar 2.1 and the camera 2.2 can jointly collect information around the early warning point, the defect that video analysis effect is poor due to dark night video imaging in an independent video detection mode is overcome, meanwhile, the defect that the independent radar 2.1 is invisible in the detection mode is overcome, and the long-distance coverage of the radar 2.1 is combined with the large-scene visual coverage of the video, so that the detection effect of road traffic safety conflict is more effectively ensured.
Further, the front-end sensing unit 2 further includes an AI intelligent edge analysis module, where the AI intelligent edge analysis module includes: image processing, which is used for processing the pixel level data in the surrounding information image of the early warning point position acquired by the radar video double-mode fusion module; image analysis, which is used for extracting an interested target object from the image processed by the image processing; the image understanding is used for capturing graphic features from the image processed by the image processing and analyzing according to the cognition habit of human vision, and particularly the set effect is that the front-end camera 2.2, the radar 2.1 and other devices are quickly connected, so that the data acquisition and the recognition analysis can be carried out on road elements such as motor vehicles, non-motor vehicles, pedestrians, facilities and environments, the road dynamic information can be mastered in real time, then intelligent operation analysis is carried out, and the classification active early warning reminding is carried out on people and vehicles according to different scenes in a text and voice mode.
Further, the front end sensing unit 2 further includes a data light-weight feedback module, which is configured to store the valid image and video storage data retained by the AI intelligent edge analysis module to generate a calculation result, and then transmit the calculation result to the platform application unit 4 through the network transmission unit 5, specifically, through the front end AI intelligent analysis, store the valid image and video storage data and generate the calculation result, implement data light-weight, and wirelessly transmit the data to the cloud platform for storage through the wired network, the 5G network or the 4G network, and perform real-time online hidden danger data monitoring through the cloud platform big data online analysis function, so that a user can remotely monitor online in real time through the PC end and the mobile phone end. The method and the device realize the uninterrupted detection of the information of the alarm times, alarm types, running states, whether the front-end equipment is in fault and the like of the alarm in 24 hours all the day, and display real-time data to a user interface through a platform.
Further, the front end early warning display unit 3 includes early warning screen 3.1, speaker 3.2 and warning light 3.3, is passing through behind the network transmission unit 5 received the early warning signal that front end perception unit 2 gathered controls early warning screen 3.1 shows early warning characters, control speaker 3.2 is sounded and control warning light 3.3 is light for remind pedestrian and vehicle around, and specifically, early warning screen 3.1 prefers the LED display screen, and warning light 3.3 prefers to explode the flashing light, and speaker 3.2 installs in early warning screen 3.1 inside and is used for the characters that the cooperation early warning screen 3.1 shows to report, and when front end perception unit 2 detected that there is the pedestrian on the road, sends early warning signal to front end early warning display unit 3 through network transmission unit 5, and warning light 3.3 is light now on, and the warning screen 3.1 can show warning characters and current speed to report the content that is displayed on the early warning screen 3.1 through speaker 3.2, can realize the sound and light synchronization, has increased early warning effect effectively.
As an embodiment of the utility model, the solar energy supply unit 6 further comprises a solar energy supply unit 6, the solar energy supply unit 6 comprises a solar energy plate 7, a base 8, a sleeve 10 and a vertical rod 9, the solar energy plate 7 is used for absorbing solar energy and converting the solar energy into electric energy for equipment, the vertical rod 9 is rotationally connected to the base 8, the sleeve 10 is fixedly connected to the base 8, the top end of the sleeve 10 is rotationally connected with a cylinder 11, the top end of the cylinder 11 is fixedly connected with a supporting frame 12, the solar energy plate 7 is fixedly connected to the supporting frame 12, a driving mechanism is arranged at the bottom end of the vertical rod 9, a speed reducing mechanism is arranged between the vertical rod 9 and the cylinder 11, in particular, the solar energy plate 7 is preferably two and obliquely arranged, the base 8 is preferably square or round and is installed at an intersection needing early warning through bolts or concrete, the upright pole 9 is a cylindrical pole which is rotationally connected to the base 8, the sleeve 10 is fixedly connected to the base 8, the sleeve 10 is sleeved outside the upright pole 9, the cylinder 11 is flat, the driving mechanism (not shown in the figure) is directly driven by a motor, the supporting frame 12 is in a T shape, the two solar panels 7 are respectively fixedly connected to the two sides of the top end of the T, the speed reducing mechanism is used for reducing the rotating speed of the upright pole 9 transmitted to the cylinder 11, the effect of the arrangement is that the motor is started, the output shaft of the motor is directly connected with the upright pole 9, the motor drives the upright pole 9 at the output end of the motor to rotate, and then the motor is transmitted to the cylinder 11 after being decelerated by the speed reducing mechanism, so that the cylinder 11 drives the supporting frame 12 at the top of the cylinder and the solar panels 7 to slowly rotate along with the moving direction of the sun, the solar energy received by the solar panels 7 can be increased, and more electric energy can be provided for equipment, meets the modern energy-saving and environment-friendly concept.
Preferably, the reduction mechanism includes a first gear 13, a second gear 14 and a gear ring 15, the first gear 13 is coaxially fixedly connected to the top end of the upright rod 9, the second gear 14 is rotatably connected in the cylinder 11, the gear ring 15 is fixedly connected to the inner side wall of the cylinder 11, the first gear 13 and the gear ring 15 are both meshed with the second gear 14, specifically, the first gear 13 and the second gear 14 are both straight gears, the number of teeth of the first gear 13 is smaller than the number of teeth of the second gear 14, the number of teeth of the second gear 14 is smaller than the number of teeth of the gear ring 15, so that a transmission ratio larger than 1 is provided between the first gear 13, the second gear 14 and the gear ring 15, a rotating shaft 16 is arranged in the second gear 14, and two ends of the rotating shaft 16 are respectively rotatably connected with the inner top wall and the inner bottom wall of the cylinder 11, and the arrangement is that when the motor drives the upright rod 9 and the first gear 13 to rotate, the first gear 13 and the second gear 14 are meshed with the second gear 14, and the number of teeth of the second gear 14 is smaller than the second gear 14, the number of teeth of the first gear 14 is smaller than the first gear 14, and the sun gear 14 can rotate slowly, and the sun gear 14 rotates at a speed of the second gear 14 is smaller than the first gear 14 and the second gear 14 and the sun gear is lower than the number of teeth of the second gear 13 and the second gear 7.
Further, the base 8 is provided with a standby power component, and specifically, the standby power component (not shown in the figure) can be connected with a nearby energy station through a wire, so that the effect of the arrangement is that when solar energy absorbed by the solar panel 7 is insufficient for using electric equipment in continuous overcast and rainy weather, electric energy of the energy station can be conveyed to the electric equipment through the standby power component, so as to ensure normal use of the electric equipment.
Further, the top end of the supporting frame 12 is fixedly connected with a lightning rod 17, specifically, a grounding lead or other grounding devices are arranged at the bottom of the base 8, in thunder weather, thunder discharges to the lightning rod 17, and lightning current is led into the ground through the grounding lead and the grounding devices, so that the equipment is prevented from being struck by lightning.
Further, a cross bar 18 is fixedly connected to the sleeve 10, the radar 2.1 and the camera 2.2 are fixedly connected to the cross bar 18, the warning lamp 3.3 is fixedly connected to the warning screen 3.1, a mounting frame 19 is fixedly connected to the outer side wall of the sleeve 10, a rotating frame 20 is fixedly connected to the warning screen 3.1, the rotating frame 20 is rotatably connected with the mounting frame 19, a shell 21 is fixedly connected to the sleeve 10, a transmission mechanism is arranged in the shell 21, the shell 21 is a square shell, the shell is preferably positioned in the middle of the sleeve 10, the mounting frame 19 is -shaped and fixedly connected to the outer side wall of the sleeve 10, a circular ring 20.1 matched with the mounting frame 19 is arranged on the rotating frame 20, the circular ring 20.1 is rotatably sleeved on the mounting frame 19, a first limiting block and a first limiting groove (not shown in the figure) are arranged between the two, so that relative movement can not appear in mounting bracket 19 and the vertical direction of rotating turret 20, horizontal pole 18 rigid coupling is in the sleeve pipe 10 top, radar 2.1 and camera 2.2 all are provided with two, correspond two roads at crossing respectively, drive mechanism both ends are used for transmitting the kinetic energy of motor to early warning screen 3.1 with mounting bracket 19 respectively, drive mechanism is preferably from control mechanism, from control mechanism also can be according to the road condition automatic switch-over early warning direction, the corresponding early warning screen 3.1 that can drive rotates or keep motionless, the effect of setting so is that when radar 2.1 detects one of them crossing and need carry out the early warning with camera 2.2, drive mechanism transmits the kinetic energy of pole setting 9 to rotating turret 20 on for rotating turret 20 can drive early warning screen 3.1 and rotate, thereby with early warning screen 3.1 to need warn crossing direction.
Preferably, the transmission mechanism comprises a driving wheel 22 and a driven wheel 23, the driving wheel 22 is fixedly connected to the upright rod 9, the driven wheel 23 is fixedly connected to the rotating frame 20, a driving wheel 24 is arranged between the driving wheel 22 and the driven wheel 23, a sliding seat 25 is slidably connected in the shell 21, the driving wheel 24 is rotatably connected to the sliding seat 25, a sliding groove 26 matched with the sliding seat 25 is formed in the shell 21, that is, the sliding seat 25 is slidably connected with the sliding groove 26, a first spring 27 is arranged between the sliding seat 25 and the sliding groove 26, an electromagnet 28 is arranged on the inner wall of the sliding groove 26, specifically, the driving wheel 22, the driven wheel 23 and the driving wheel 24 can be gears, the driving wheel 22 and the driven wheel 23 are both positioned in the shell 21, the sliding seat 25 is preferably two, and is made of metal materials, the driving wheel 22 and the driven wheel 23 are respectively positioned at two sides of the driving wheel 22 and the driven wheel 23 and are symmetrically arranged about the driving wheel 22 and the driven wheel 23, preferably five driving wheels 24 are respectively connected to two sliding seats 25 in a rotating way, namely, two driving wheels 24 are rotationally connected to one sliding seat 25, three driving wheels 24 are rotationally connected to the other sliding seat 25, each driving wheel 24 is in friction transmission, and the driving wheels 24 and the driving wheel 22 and the driven wheel 23 are also in friction transmission, so that when the driving wheel 22 rubs with two driving wheels 24 or three driving wheels 24, the rotation directions of the driven wheels 23 are different, one end of a first spring 27 is fixedly connected with the inner side wall of a sliding groove 26, the other end of the first spring 27 is fixedly connected to the sliding seat 25, two electromagnets 28 are respectively arranged on the inner wall of each sliding groove 26, the electromagnets 28 are electrically connected with the front end sensing unit 2, the effect of this arrangement is that, because during the day with sunlight, the motor is continuously in the unidirectional output state to drive the solar panel 7, so that the solar panel 7 rotates slowly along with the direction of movement of the sun, because at this time, the motor rotates the output state in unidirectional direction all the time, so that the upright rod 9 and the driving wheel 22 are always in the rotating state, when the front end sensing unit 2 transmits the early warning signal to the front end early warning display unit 3, that is, when the early warning screen 3.1 needs to be rotated, the electromagnet 28 opposite to the rotating direction of the early warning screen 3.1 is electrified, so that the electromagnet 28 has attractive force which is greater than the elastic force of the first spring 27, so that the electromagnet 28 drives the sliding seat 25 to move along the sliding groove 26, so as to drive the driving wheel 24 inside the sliding seat 25 to move, when the driving wheel 24 contacts the driving wheel 22 and the driven wheel 23 simultaneously, a large friction force is generated between the driving wheel 24 and the driven wheel 23, so that the driving wheel 22 rotates to drive the driving wheel 24 to rotate together, the rotating driving wheel 24 drives the driven wheel 23 to rotate, so as to drive the early warning screen 3.1 to rotate, when the early warning screen 3.1 rotates to a preset position, the electromagnet 28 is automatically powered off, at the moment, the sliding seat 25 is automatically reset under the action of the first spring 27, namely, the driving wheel 24 is separated from the driving wheel 22 and the driven wheel 23, at the moment, the driving wheel 22 can not continuously transmit kinetic energy to the driven wheel 23 any more, when the early warning screen 3.1 rotates to the other direction, only the electromagnet 28 in the opposite direction is required to be powered on, and in total, the two electromagnets 28 work and do not work respectively correspond to four states: firstly, when one electromagnet 28 is electrified, the sliding seat 25 with two driving wheels 24 is driven to move, when the driving wheels 24 are in contact with the driving wheels 22 and the driven wheels 23, the forward rotation of the early warning screen 3.1 is realized, secondly, when the other electromagnet 28 is electrified, the electromagnet 28 can drive the sliding seat 25 with three driving wheels 24 to move, when the driving wheels 24 are in contact with the driving wheels 22 and the driven wheels 23, the reverse rotation of the early warning screen 3.1 is realized, thirdly, when one electromagnet 28 is electrified and then is powered off, under the action of the first spring 27, the driving wheels 24 in contact with the driving wheels 22 and the driven wheels 23 are separated, at the moment, the driving wheels 22 rotate and can not continuously drive the driven wheels 23 any more, at the moment, the early warning screen 3.1 can stop rotating, and fourthly, when the two electromagnets 28 are not electrified, the driving wheels 24 are always in the original position, namely, at the position of being far away from the driving wheels 22 and the driven wheels 23, at the moment, the driving wheels 22 are not driven to rotate, namely, the early warning screen 3.1 is always not rotated, and the road switching at two sides of the early warning screen 3.1 is realized.
Further, the diameter of the driving wheel 22 is larger than that of the driven wheel 23, specifically, a transmission ratio of less than 1 is provided between the driving wheel 22 and the driven wheel 23, so that the effect is that an acceleration effect can be added to the driven wheel 23 when the driving wheel 22 drives the driven wheel 23 to rotate through the driving wheel 24, and thus the back-and-forth switching speed of the warning screen 3.1 can be increased.
Further, the fixture block 29 is fixedly connected to the early warning screen 3.1, the opening 30 adapted to the size of the fixture block 29 is formed in the housing 21, the sliding sleeve 31 is fixedly connected to the inner wall of the housing 21, the positioning block 32 is slidably connected to the sliding sleeve 31, a second spring 33 is arranged between the positioning block 32 and the sliding sleeve 31, the fixture block 29 is provided with a positioning groove 29.1 adapted to the positioning block 32, specifically, the fixture block 29 and one end of the positioning block 32 are wedge-shaped surfaces, two openings 30 and the positioning block 32 are formed in the movement stroke of the fixture block 29, one end of the second spring 33 is fixedly connected with the positioning block 32, the other end of the second spring 33 is fixedly connected with the inner wall of the sliding sleeve 31, and the effect that the wedge-shaped surface of the fixture block 29 can pass through the opening 30 and the wedge-shaped surface of the positioning block 32 to be contacted and extruded when the early warning screen 3.1 rotates, so that the positioning block 29 can provide a extrusion force to the positioning block 32, the positioning block 32 can shrink to the inside the sliding sleeve 31 under the pressure, and the second spring 33 can be prevented from being locked by the positioning block 32 automatically when the positioning block 32 is pushed by the second spring 33, and the automatic movement of the positioning block 29 can be prevented from being locked under the movement of the positioning block 32.
Further, a trigger button 29.2 is disposed in the positioning groove 29.1, the trigger button 29.2 is electrically connected with the central control module, specifically, the trigger button 29.2 is movably connected to the side wall of the positioning groove 29.1, so that when the second spring 33 is elastically released, the positioning block 32 has an impact force when entering the positioning groove 29.1, the impact force drives the positioning block 32 to squeeze the trigger button 29.2, when the central control module receives a signal that the trigger button 29.2 is squeezed, the central control module sends a power-off signal, so that the electromagnet 28 is powered off, at the moment, the attraction force of the electromagnet 28 to the sliding seat 25 disappears, the sliding seat 25 slides reversely along the sliding groove 26 under the action of the first spring 27, so that the driving wheel 24 is separated from the driving wheel 22 and the driven wheel 23, and the driving wheel 22 is prevented from continuously transmitting kinetic energy to the driven wheel 23 when the early warning screen 3.1 stops rotating, and equipment damage is prevented.
Further, a traction wire 34 is disposed between the sliding seat 25 and the positioning block 32, specifically, the traction wire 34 is preferably a wear-resistant metal wire, one end of the traction wire 34 is fixedly connected to the positioning block 32, the other end of the traction wire 34 penetrates through the sliding sleeve 31 and is fixedly connected with the sliding seat 25, so that when the early warning screen 3.1 needs to rotate, the electromagnet 28 opposite to the rotating direction of the early warning screen is electrified, so that the sliding seat 25 is driven to slide along the sliding groove 26, the traction wire 34 is stretched when the sliding seat 25 slides, the traction wire 34 pulls the positioning block 32, when the driving wheel 24 is in close contact with the driving wheel 22 and the driven wheel 23, the positioning block 32 is drawn out from the positioning groove 29.1 and is completely contracted into the sliding sleeve 31, that is, the limiting effect of the positioning block 32 on the clamping block 29 is completely released, and therefore the early warning screen 3.1 can normally rotate.
As another embodiment of the present utility model, the upright 9 includes a first rod 9.1 and a second rod 9.2, the first rod 9.1 is slidably connected with a lifting block 35, a third spring 36 is disposed between the lifting block 35 and the first rod 9.1, a protruding block 37 is fixedly connected to the lifting block 35, a groove 38 adapted to the protruding block 37 is formed on the second rod 9.2, a lifting frame 39 is rotatably connected to the lifting block 35, the lifting frame 39 is slidably connected to the inner top wall of the housing 21, a connecting rod 40 is fixedly connected to the lifting frame 39, a first wedge 41 is fixedly connected to the connecting rod 40, a second wedge 42 is fixedly connected to the sliding seat 25, the first wedge 41 is abutted to the second wedge 42, in particular, the first rod 9.1 and the second rod 9.2 are cylindrical, the lifting block 35 is preferably cylindrical, and a second limiting block and a second limiting groove (not shown in the figure) are arranged between the lifting block 35 and the first rod body 9.1, so that relative rotation between the first rod body 9.1 and the lifting block 35 can be prevented, a first lifting groove (not shown in the figure) matched with the lifting block 35 is formed at the top end of the first rod body 9.1, one end of a third spring 36 is fixedly connected with the inner bottom wall of the first lifting groove, the other end of the third spring 36 is fixedly connected with the lifting block 35, two convex blocks 37 are preferably arranged at the top of the lifting block 35 symmetrically, eight grooves 38 are preferably arranged at eight and the cross section area of the inlet is larger than the cross section area of the inner side, the grooves are axially arranged in an array about the second upright rod 9.2, the lifting frame 39 comprises a circular ring part 39.1 and a limiting part 39.2, the circular ring part 39.1 is rotationally connected with the lifting block 35, the circular ring part 39.1 is provided with a limiting ring, and the circular ring 39.1 can prevent relative displacement of the circular ring part 39.1 and the lifting block 35 in the vertical direction, the two limit parts 39.2 are respectively arranged at two sides of the circular ring part 39.1, the inner top wall of the shell 21 is provided with a second lifting groove (not shown in the figure) which is matched with the limit parts 39.2 and is used for preventing the lifting frame 39 from rotating relative to the shell 21, the connecting rod 40 is fixedly connected to the limit parts 39.2 which are close to one side of the driven wheel 23, the two first wedge-shaped blocks 41 and the two second wedge-shaped blocks 42 are respectively arranged and are in L shape, the two first wedge-shaped blocks 41 are fixedly connected to the bottoms of the connecting rod 40, the two second wedge-shaped blocks 42 are respectively fixedly connected to the tops of the two sliding seats 25, the function of the arrangement is that when the early warning screen 3.1 needs to rotate, the sliding seat 25 can drive the second wedge-shaped blocks 42 at the top to move, and when the wedge-shaped surface of the second wedge-shaped block 42 contacts with the wedge-shaped surface of the first wedge-shaped block 41 and presses, the first wedge-shaped block 41 and the connecting rod 40 can be driven to move downwards, because the connecting rod 40 is fixedly connected with the lifting frame 39, the lifting block 35 and the protruding block 37 at the top of the lifting block 35 can be driven to move into the first lifting groove and compress the third spring 36, when the protruding block 37 is separated from the groove 38, namely the first rod body 9.1 is decoupled from the second rod body 9.2, namely the first rod body 9.1 cannot continue to transmit kinetic energy to the second rod body 9.2, motor power only needs to be concentrated to drive the early warning screen 3.1, so that the load of the motor is reduced, after the early warning screen 3.1 is rotated, the abutting effect of the second wedge block 42 on the first wedge block 41 is contacted, the lifting block 35 moves upwards under the elastic force of the third spring 36, and when the first rod body 9.1 drives the protruding block 37 to rotate into the two grooves 38, the first rod body 9.1 is coupled with the second rod body 9.2 again, and the solar panel 7 can be driven to continue to rotate.
Further, in the process of coupling the first upright 9.1 and the second upright 9.2, the bump 37 will preferentially strike the bottom of the second upright 9.2, and the striking will make the solar panel 7 vibrate, and the vibration will shake off dust, leaves, snow and other impurities on the surface of the solar panel 7, so that the solar panel 7 has a self-cleaning function.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (6)

1. The traffic safety early warning system comprises a storage unit for storing data, and is characterized by further comprising:
the front end sensing unit is used for tracking and positioning a target, detecting the speed, detecting the direction and extracting target structured data;
the front end early warning display unit is used for reminding pedestrians and vehicles at the road junction that vehicles need to pay attention to safety;
the platform application unit is used for managing road traffic safety early warning service and comprises a central control module, wherein the central control module is used for controlling elements in the system;
the network transmission unit is used for transmitting the early warning signal to the front end early warning display unit and the platform application unit;
the front-end sensing unit comprises a radar video dual-mode fusion module, wherein the radar video dual-mode fusion module comprises a radar and a camera and is used for collecting surrounding information of early warning points;
the front end early warning display unit comprises an early warning screen, a loudspeaker and a warning lamp, and controls the early warning screen to display early warning characters, controls the loudspeaker to sound and controls the warning lamp to light after receiving the early warning signal acquired by the front end sensing unit through the network transmission unit, so as to remind surrounding pedestrians and vehicles;
the solar energy storage device comprises a base, a sleeve and a solar energy supply unit, wherein the solar energy supply unit comprises a solar panel, a base, the sleeve and a vertical rod, the solar panel is used for absorbing solar energy and converting the solar energy into electric energy for equipment, the vertical rod is rotationally connected to the base, the sleeve is fixedly connected to the base, the top end of the sleeve is rotationally connected with a cylinder, the top end of the cylinder is fixedly connected with a supporting frame, the solar panel is fixedly connected to the supporting frame, a driving mechanism is arranged at the bottom end of the vertical rod, and a speed reducing mechanism is arranged between the vertical rod and the cylinder;
the radar and the camera are fixedly connected to the cross rod, the warning lamp is fixedly connected to the warning screen, the mounting frame is fixedly connected to the outer side wall of the sleeve, the rotating frame is fixedly connected to the warning screen, the rotating frame is rotationally connected with the mounting frame, the sleeve is fixedly connected with a shell, and a transmission mechanism is arranged in the shell;
the driving mechanism comprises a driving wheel and driven wheels, the driving wheel is fixedly connected to the upright posts, the driven wheels are fixedly connected to the rotating frame, driving wheels are arranged between the driving wheel and the driven wheels, sliding seats are connected in the shell in a sliding mode, the driving wheels are rotationally connected to the sliding seats, sliding grooves matched with the sliding seats are formed in the shell, first springs are arranged between the sliding seats and the sliding grooves, electromagnets are arranged on the inner walls of the sliding grooves, the driving wheel and the driven wheels are respectively located in the shell, the two sliding seats are respectively located on two sides of the driving wheel and the driven wheels and symmetrically arranged relative to the driving wheel and the driven wheels, the five driving wheels are respectively rotationally connected to the two sliding seats, two driving wheels are rotationally connected to the other sliding seat, three driving wheels are rotationally connected to each other through friction transmission, one end of each first spring is fixedly connected to the inner side walls of the sliding seats, the electromagnets are respectively arranged on the two sliding seats, and sensing units are respectively arranged on the inner walls of each sliding groove.
2. The traffic safety early warning system of claim 1, wherein the front-end awareness unit further comprises an AI intelligent edge analysis module comprising:
image processing, which is used for processing the pixel level data in the surrounding information image of the early warning point position acquired by the radar video double-mode fusion module;
image analysis, which is used for extracting an interested target object from the image processed by the image processing;
and the image understanding is used for capturing the graphic features from the image processed by the image processing and analyzing according to the cognitive habit of human vision.
3. The traffic safety early warning system according to claim 2, wherein the front-end sensing unit further comprises a data lightweight backhaul module, and the data lightweight backhaul module is configured to generate a calculation result by storing data of the image and the video that are valid and retained by the AI intelligent edge analysis module, and then transmit the calculation result to the platform application unit through the network transmission unit.
4. The traffic safety warning system according to claim 1, wherein the speed reducing mechanism comprises a first gear, a second gear and a gear ring, the first gear is coaxially and fixedly connected to the top end of the upright rod, the second gear is rotatably connected to the inside of the cylinder, the gear ring is fixedly connected to the inner side wall of the cylinder, and the first gear and the gear ring are meshed with the second gear.
5. The traffic safety warning system of claim 1, wherein the base is provided with a backup power assembly.
6. The traffic safety warning system according to claim 1, wherein a lightning rod is fixedly connected to the top end of the support frame.
CN202211091291.0A 2022-09-07 2022-09-07 Traffic safety early warning system Active CN115512557B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211091291.0A CN115512557B (en) 2022-09-07 2022-09-07 Traffic safety early warning system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211091291.0A CN115512557B (en) 2022-09-07 2022-09-07 Traffic safety early warning system

Publications (2)

Publication Number Publication Date
CN115512557A CN115512557A (en) 2022-12-23
CN115512557B true CN115512557B (en) 2023-08-15

Family

ID=84505028

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211091291.0A Active CN115512557B (en) 2022-09-07 2022-09-07 Traffic safety early warning system

Country Status (1)

Country Link
CN (1) CN115512557B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116110254A (en) * 2023-04-13 2023-05-12 深圳锐盟半导体有限公司 Anti-collision reminding method, device, equipment and storage medium for multi-channel junction

Citations (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202977450U (en) * 2012-11-29 2013-06-05 西安大昱光电科技有限公司 Sun dual-axis tracking system
CN206099865U (en) * 2016-08-31 2017-04-12 温州益铎电气有限公司 Photovoltaic inverter device
CN207063452U (en) * 2017-08-11 2018-03-02 深圳班翟机器人有限公司 Plaster robot
KR20180103596A (en) * 2017-03-10 2018-09-19 디엠테크 주식회사 System for intelligent safety lighting
CN108738511A (en) * 2018-08-01 2018-11-06 杭州真树园林设计工程有限公司 A kind of Chinese garden planting digging apparatus
CN109025539A (en) * 2018-08-17 2018-12-18 邵潘英 A kind of magnetic latch mechanism and application method
CN110322703A (en) * 2019-07-31 2019-10-11 河北融柏信息技术服务有限公司 One kind tests the speed bayonet type intersection safety warning system
CN211571470U (en) * 2019-03-06 2020-09-25 商丘师范学院 Electronic information screen based on infrared control
JP2020175138A (en) * 2019-04-15 2020-10-29 舒泳軍 Tablecloth maintained automatically
CN111963635A (en) * 2020-08-11 2020-11-20 海宁市旦妮进出口有限公司 Sewing machine device capable of automatically tensioning belt and facilitating replacement of belt
CN212983679U (en) * 2020-07-10 2021-04-16 李志国 Make things convenient for height adjustment's safety warning device for traffic construction
CN213534712U (en) * 2020-11-18 2021-06-25 天津和利时智能控制系统集成有限公司 Safety warning device for rail transit
CN113232860A (en) * 2021-05-17 2021-08-10 淮阴工学院 Mobile traffic fault warning equipment
CN113458012A (en) * 2021-07-28 2021-10-01 安徽杜氏高科玻璃有限公司 Glass tube screening system
CN113481898A (en) * 2021-08-22 2021-10-08 吴健 Warning sign installation device for road and use method thereof
CN215823062U (en) * 2021-09-13 2022-02-15 荣氏生物制品(苏州)有限公司 Pig bile salt processing is with device of hydrolysising
CN216130013U (en) * 2021-06-07 2022-03-25 四川交通职业技术学院 Safety warning device is used in road and bridge construction
CN216161236U (en) * 2021-09-14 2022-04-01 陕西科云信息技术有限公司 Multifunctional warning board for dangerous road section
CN114758059A (en) * 2022-03-07 2022-07-15 中国矿业大学 Emergent management platform of wisdom community

Patent Citations (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202977450U (en) * 2012-11-29 2013-06-05 西安大昱光电科技有限公司 Sun dual-axis tracking system
CN206099865U (en) * 2016-08-31 2017-04-12 温州益铎电气有限公司 Photovoltaic inverter device
KR20180103596A (en) * 2017-03-10 2018-09-19 디엠테크 주식회사 System for intelligent safety lighting
CN207063452U (en) * 2017-08-11 2018-03-02 深圳班翟机器人有限公司 Plaster robot
CN108738511A (en) * 2018-08-01 2018-11-06 杭州真树园林设计工程有限公司 A kind of Chinese garden planting digging apparatus
CN109025539A (en) * 2018-08-17 2018-12-18 邵潘英 A kind of magnetic latch mechanism and application method
CN211571470U (en) * 2019-03-06 2020-09-25 商丘师范学院 Electronic information screen based on infrared control
JP2020175138A (en) * 2019-04-15 2020-10-29 舒泳軍 Tablecloth maintained automatically
CN110322703A (en) * 2019-07-31 2019-10-11 河北融柏信息技术服务有限公司 One kind tests the speed bayonet type intersection safety warning system
CN212983679U (en) * 2020-07-10 2021-04-16 李志国 Make things convenient for height adjustment's safety warning device for traffic construction
CN111963635A (en) * 2020-08-11 2020-11-20 海宁市旦妮进出口有限公司 Sewing machine device capable of automatically tensioning belt and facilitating replacement of belt
CN213534712U (en) * 2020-11-18 2021-06-25 天津和利时智能控制系统集成有限公司 Safety warning device for rail transit
CN113232860A (en) * 2021-05-17 2021-08-10 淮阴工学院 Mobile traffic fault warning equipment
CN216130013U (en) * 2021-06-07 2022-03-25 四川交通职业技术学院 Safety warning device is used in road and bridge construction
CN113458012A (en) * 2021-07-28 2021-10-01 安徽杜氏高科玻璃有限公司 Glass tube screening system
CN113481898A (en) * 2021-08-22 2021-10-08 吴健 Warning sign installation device for road and use method thereof
CN215823062U (en) * 2021-09-13 2022-02-15 荣氏生物制品(苏州)有限公司 Pig bile salt processing is with device of hydrolysising
CN216161236U (en) * 2021-09-14 2022-04-01 陕西科云信息技术有限公司 Multifunctional warning board for dangerous road section
CN114758059A (en) * 2022-03-07 2022-07-15 中国矿业大学 Emergent management platform of wisdom community

Also Published As

Publication number Publication date
CN115512557A (en) 2022-12-23

Similar Documents

Publication Publication Date Title
US20210311476A1 (en) Patrol robot and patrol robot management system
CN204010321U (en) A kind of traffic accident signaling system
CN115512557B (en) Traffic safety early warning system
CN206975839U (en) A kind of road meeting prior-warning device based on millimetre-wave radar
CN103434448A (en) System for eliminating vehicle pillar blind zone and use method thereof
CN110864269A (en) Intelligent lamp pole for bus station with intelligent projection and information interaction
CN213272347U (en) Wisdom street lamp with pedestrian makes a dash across red light and reminds function
CN202018739U (en) Road turn pre-viewing system
CN212298808U (en) Multifunctional street lamp
CN211699223U (en) Traffic intersection intelligent early warning system
CN206713142U (en) Energy-saving controlling device for street lamp
CN210271243U (en) Speed measuring bayonet type road intersection safety warning system
CN101615343A (en) Road CCTV supervisory system and method
CN103139539A (en) Panoramic monitoring system
CN213686532U (en) Control system and device for public intelligent illumination and energy Internet of things management
CN209928616U (en) Intelligent traffic management monitoring device
CN202798986U (en) 3G technology based wireless laser night vision device
CN113920783A (en) Self-powered curve meeting early warning system
CN113903176A (en) Intelligent management system for illegal road parking
CN112770085A (en) Tunnel intelligent monitoring device and monitoring system thereof
CN214901113U (en) Tunnel intelligent monitoring device and monitoring system thereof
CN212032352U (en) Road traffic early warning system
CN205508096U (en) Many function synthesis management terminal
CN215976987U (en) Road intersection lifting type warning post and warning system
CN110996050B (en) All-round integral type security protection monitored control system

Legal Events

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