CN219676717U - Intersection vision blind area coming car warning device and system - Google Patents
Intersection vision blind area coming car warning device and system Download PDFInfo
- Publication number
- CN219676717U CN219676717U CN202320989327.0U CN202320989327U CN219676717U CN 219676717 U CN219676717 U CN 219676717U CN 202320989327 U CN202320989327 U CN 202320989327U CN 219676717 U CN219676717 U CN 219676717U
- Authority
- CN
- China
- Prior art keywords
- warning
- intersection
- human body
- road
- blind area
- 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
- 238000001514 detection method Methods 0.000 claims abstract description 27
- 230000000007 visual effect Effects 0.000 claims abstract description 19
- 238000004891 communication Methods 0.000 claims description 24
- 238000012545 processing Methods 0.000 claims description 5
- 206010039203 Road traffic accident Diseases 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 230000005611 electricity Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000000827 velocimetry Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Traffic Control Systems (AREA)
Abstract
The utility model discloses a warning device and a warning system for an intersection visual blind area coming vehicle, which relate to the technical field of traffic safety equipment, in particular to a warning device for an intersection visual blind area coming vehicle, comprising a control part, a first warning part and a second warning part, wherein the first warning part and the second warning part are arranged at the intersection of a road intersection; through the cooperation setting of second velocimeter, the human detection part of second, first warning lamp, make this intersection vision blind area come car warning device and system possess detect on the auxiliary road that the car speed of coming, pedestrian that exists whether to the effect of way central authorities removal, when detecting the car speed on the auxiliary road faster or the pedestrian on the auxiliary road moves to main road central authorities, control part control opens the red light or the yellow light of first warning lamp, can effectively warn the car driver after being located the first warning lamp on the main road and light, reached and warned and lie in main road car driver's purpose, can effectively avoid the emergence of the traffic accident that causes because of intersection vision blind area.
Description
Technical Field
The utility model relates to the technical field of traffic safety equipment, in particular to the technical field of road traffic incoming vehicle early warning, and specifically relates to an intersection visual blind area incoming vehicle warning device and system.
Background
Traffic warning devices (traffic lights, warning signs and the like) are not arranged at intersections of a plurality of roads in a part of areas, and traffic of automobiles is not influenced temporarily under the condition that the field of view of the area where the intersections are located is wider, but when obstacles (such as building walls, mountain bodies, steep slopes and the like) exist at the intersections, the obstacles seriously influence the vision of automobile drivers (the traffic situation of the intersections is in the vision blind area of the drivers), the fast-passing automobile drivers cannot effectively know the traffic situation near the intersections, and under the condition of lack of warning, traffic accidents can occur, the lives of passers-by and property losses are seriously endangered.
In published chinese patent application, publication No.: CN202422439U, patent name: the crossroad side incoming warning device can detect whether a vehicle passes through a sensor unit, so that a warning lamp is controlled to be lightened through a control unit, and the side incoming warning function of the crossroad is realized; however, the application cannot warn according to the speed of the vehicles coming from the blind areas of the road and whether the pedestrians existing in the blind areas of the road move towards the center of the road, namely, when the speed of the vehicles coming from the blind areas of the road is high and the pedestrians existing in the blind areas of the road move towards the center of the road, the application warns; when the speed of the vehicles coming from the blind area of the intersection is low and pedestrians existing in the blind area of the intersection do not move towards the center of the road, no warning is carried out, and the vehicles can normally pass.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a warning device and a warning system for a visual blind zone of an intersection, which solve the problems in the background art.
(II) technical scheme
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the intersection visual blind zone coming warning device comprises a control part, a first warning part and a second warning part, wherein the first warning part and the second warning part are arranged at the intersection of a road intersection, the control part comprises a power supply assembly and a circuit board electrically connected with the power supply assembly, a processor is arranged on the circuit board, the control part is respectively and electrically connected with the first warning part and the second warning part, and the control part is used for receiving and processing data information of the first warning part and the second warning part; the first warning component comprises a second velocimeter, a second human body detection component and a first warning lamp, and is used for detecting the advancing speeds of the auxiliary road automobile and the pedestrian, transmitting detected speed data information to the control component and displaying the emergency degree of the blind area of the intersection to the main road automobile driver through lamplight color change; the second warning part comprises a first velocimeter, a first human body detection part and a second warning lamp, and the second warning part is used for detecting the advancing speeds of a main road automobile and a pedestrian, transmitting detected speed data information to the control part and displaying the emergency degree of the blind area of the intersection to a driver of an auxiliary road automobile through lamplight color change.
Optionally, the power supply assembly includes a battery pack, and a solar panel disposed on the obstacle.
Optionally, the first human body detection part includes first human body infrared sensor and second human body infrared sensor, first human body infrared sensor and second human body infrared sensor set up in parallel on the main road and be close to auxiliary road crossing department.
Optionally, the second human body detection component includes a third human body infrared sensor and a fourth human body infrared sensor, and the third human body infrared sensor and the fourth human body infrared sensor are arranged on the auxiliary road in parallel and are close to the intersection of the main road.
Optionally, the first warning lamp and the first velocimeter are disposed on a main road 40 meters to 150 meters away from an intersection junction.
Optionally, the second warning lamp and the second velocimeter are arranged on an auxiliary road 30 to 120 meters away from the intersection junction.
Optionally, the first warning lamp and the second warning lamp each include a red lamp and a yellow lamp.
The utility model provides a crossing vision blind area warning system that comes, includes storage element, communication module and a crossing vision blind area warning device that comes, communication module sets up on the circuit board and is connected with the treater communication, storage element sets up on the circuit board and is connected with the treater communication.
Optionally, the communication assembly includes a WLAN communication element, a 4G or 5G communication element.
(III) beneficial effects
The utility model provides a warning device and a warning system for a vehicle coming from a visual blind area of an intersection, which have the following beneficial effects:
1. this a crossing vision blind area warning device and system of coming car through the cooperation setting of second tachometer, the human detection part of second, first warning lamp, makes this a crossing vision blind area warning device and system of coming car possess and detect the effect of coming car speed, whether pedestrian that exists to the central authorities removal of way on the auxiliary road (auxiliary road is in the blind area scope of main road automobile driver), when detecting the automobile speed measurement on the auxiliary road faster or pedestrian on the auxiliary road moves to main road central authorities, control part control opens the red light or the yellow light of first warning lamp, be located the automobile driver that can effectively warn on the main road after the first warning lamp on the main road lights, reached and warned and be located main road automobile driver's purpose on the main road, can effectively avoid the emergence of the traffic accident that causes because of crossing vision blind area.
2. This a crossing vision blind area comes car warning device and system, cooperation through first tachometer, first human body detection part and second warning lamp sets up, make this a crossing vision blind area come car warning device and system have had the effect that detects the car speed of coming on the main road, whether pedestrian that exists moves to road central authorities, when detecting the car speed on the main road faster or the main road pedestrian moves to the auxiliary road central authorities, control part control opens the red light or the yellow light of second warning lamp, the second warning lamp that is located the main road can effectively warn the automobile driver who is located the auxiliary road after lighting, reached and warned the emergence that is located the automobile driver purpose on the auxiliary road that is located the auxiliary road, can effectively avoid the traffic accident that causes because of crossing vision blind area.
Drawings
Fig. 1 is a schematic diagram showing a real scene demonstration of a warning device and a system for a vehicle coming from a visual blind area of an intersection.
In the figure: 1. a main road; 2. an auxiliary road; 3. an obstacle; 4. the first speed measuring area; 5. the second speed measuring area; 6. a first warning lamp; 7. a second warning lamp; 8. a first tachometer; 9. a second velocimeter; 10. a first pedestrian detection zone; 11. a second pedestrian detection zone; 12. a first human body detection part; 13. a second human body detecting part.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1, the present utility model provides the following technical solutions: the utility model provides a crossing vision blind area warning device and system that comes, includes control unit, and puts first warning part and the second warning part at road crossing junction, and control unit includes power supply unit, the circuit board of being connected with the power supply unit electricity, is provided with the treater on the circuit board, and control unit is connected with first warning part, second warning part electricity respectively, and control unit is used for receiving, handles first warning part and second warning part's data information.
Specifically, the processor is in communication connection with the first warning component and the second warning component. The processor can receive and process the data information of the first warning component and the second warning component. The power supply assembly includes a battery pack, and a solar panel disposed on the obstacle 3. The power supply assembly is used for supplying power to the control part, the first warning part and the second warning part, and meets the electricity utilization requirements of the control part, the first warning part and the second warning part.
The first warning part comprises a second velocimeter 9, a second human body detection part 13 and a first warning lamp 6, and the first warning part is used for detecting the advancing speeds of the auxiliary road automobile and pedestrians, transmitting detected speed data information to the control part and displaying the emergency degree of the blind area of the intersection to the main road automobile driver through lamplight color change. The second human body detecting part 13 includes a third human body infrared sensor and a fourth human body infrared sensor, which are disposed in parallel on the auxiliary road and near the intersection of the main road. The first warning lamp 6 is disposed on the main road 40 to 150 meters from the intersection junction. The second velocimeter 9 is arranged on the auxiliary road 30-120 m from the intersection junction. The first warning lamp 6 includes a red lamp and a yellow lamp.
Specifically, the vehicle speed is alerted faster (the vehicle speed of the vehicle on the auxiliary road 2 is faster, the driver of the vehicle on the main road 1 is alerted): the second velocimeter 9 is used for detecting the speed of the automobile on the auxiliary road 2 in the second velocimetry area 5 and transmitting the speed data information to the processor; when the speed data information of the automobile on the auxiliary road 2 exceeds a first level threshold value set in the processor, the processor responds, namely, the processor controls the yellow lamp of the first warning lamp 6 to be turned on, the yellow lamp on the main road 1 is turned on to warn the automobile driver, and the automobile driver on the main road 1 drives slowly after seeing the yellow lamp. When the speed data information of the automobile on the auxiliary road 2 exceeds a second-level threshold value set in the processor, the processor responds, namely, the processor controls the first warning lamp 6 to be turned on, the red lamp on the main road 1 is turned on to warn the automobile driver, and the automobile driver on the main road 1 is cautiously driven after seeing the red lamp.
Pedestrian movement warning to the center of the road (pedestrian movement to the center of the main road 1 on the auxiliary road 2, warning the vehicle driver on the main road 1): the second human body detecting part 13 comprises a third human body infrared sensor and a fourth human body infrared sensor, wherein the third human body infrared sensor and the fourth human body infrared sensor are used for detecting the position of a human body in the second pedestrian detection area 11, when the human body is detected by the third human body infrared sensor, the human body is indicated to be approaching a road (main road 1), the third human body infrared sensor sends an early warning signal to a processor, the processor responds to the received signal after decoding processing, the processor controls to turn on a yellow lamp of the first warning lamp 6, the yellow lamp on the main road 1 lights up to warn an automobile driver, and the automobile driver on the main road 1 drives slowly after seeing the yellow lamp; when the human body is detected by the fourth human body infrared sensor, the human body is far away from the road edge and approaches to the center of the main road 1, at the moment, the fourth human body infrared sensor sends a warning signal to the processor, the processor responds to the received signal after decoding processing, the processor controls the red light of the first warning light 6 to be turned on, the red light on the main road 1 lights up to warn an automobile driver, and the automobile driver on the main road 1 drives carefully after seeing the red light. Wherein, when the second human body detecting part 13 does not detect a human body and the second velocimeter 9 does not detect a vehicle, the first warning lamp 6 is in a light-off state; when the detection conditions of the second human body detection part 13 and the second velocimeter 9 are not up to standard (meaning that there is no risk of car accident or there is little risk), the first warning lamp 6 is also in the off state. Human body detection and vehicle speed monitoring belong to a parallel relationship.
Through the cooperation setting of second tachometer 9, the human detection part 13 of second, first warning lamp 6, make this intersection vision blind area come car warning device possess on auxiliary road 2 (auxiliary road 2 is in the blind area scope of car driver on main road 1) detect the car speed of coming car (refer to the vehicle that is located on auxiliary road 2), the pedestrian that exists whether to the effect of road central authorities removal, when detecting that the car speed measurement on auxiliary road 2 is faster or the pedestrian on auxiliary road 2 moves to main road 1 way central authorities, control part control opens the red light or the yellow light of first warning lamp 6, can effectively alert car driver who is located on main road 1 after the first warning lamp 6 on main road 1 lights, reached the warning and be located main road 1 and go up car driver's purpose, can effectively avoid the emergence of the traffic accident that causes because of intersection vision blind area.
The second warning part comprises a first velocimeter 8, a first human body detection part 12 and a second warning lamp 7 respectively, and the second warning part is used for detecting the advancing speeds of a main road automobile and pedestrians, transmitting detected speed data information to the control part and displaying the emergency degree of the blind area of the intersection to a driver of an auxiliary road automobile through lamplight color change. The first human body detection part 12 includes a first human body infrared sensor and a second human body infrared sensor which are juxtaposed on the main road and near the intersection of the auxiliary road. The first velocimeter 8 is arranged on the main road 40 to 150 meters from the intersection junction. The second warning lamp 7 is provided on the auxiliary road 30 to 120 m from the intersection junction. The second warning lamps 7 each include a red lamp and a yellow lamp.
Specifically, the vehicle speed is alerted faster (the vehicle speed of the vehicle on the main road 1 is faster, the vehicle driver on the auxiliary road 2 is alerted): the first velocimeter 8 is used for detecting the speed of the automobile on the main road 1 in the first velocimetry area 4 and transmitting the speed data information to the processor; when the speed data information of the automobile on the main road 1 exceeds a first level threshold value set in the processor, the processor responds, namely, the processor controls the yellow lamp of the second warning lamp 7 to be turned on, the yellow lamp on the auxiliary road 2 is turned on to warn the automobile driver, and the automobile driver on the auxiliary road 2 slowly drives after seeing the yellow lamp. When the speed data information of the automobile on the main road 1 exceeds a second-level threshold value set in the processor, the processor responds, namely, the processor controls the second warning lamp 7 to be turned on, the red lamp on the auxiliary road 2 lights up to warn the automobile driver on the auxiliary road 2, and the automobile driver on the auxiliary road 2 drives carefully after seeing the red lamp.
Pedestrian movement warning to the center of the road (pedestrian movement to the center of the auxiliary road 2 road on the main road 1, warning the vehicle driver on the auxiliary road): the first human body detection part 12 comprises a first human body infrared sensor and a second human body infrared sensor, wherein the first human body infrared sensor and the second human body infrared sensor are used for detecting the position of a human body in the first pedestrian detection area 10, when the human body is detected by the first human body infrared sensor, the human body is indicated to be close to the road edge of the auxiliary road 2, the first human body infrared sensor sends an early warning signal to the processor, the processor responds to the received signal after decoding processing, the processor controls to turn on the yellow lamp of the second warning lamp 7 (the processor can control the on-off of the circuit of the second warning lamp 7 through the electromagnetic switch), the yellow lamp on the auxiliary road 2 lights to warn an automobile driver, and the automobile driver on the auxiliary road 2 slowly drives after seeing the yellow lamp; when the human body is detected by the second human body infrared sensor, the human body is far away from the road edge and approaches to the center of the main road 1, at the moment, the second human body infrared sensor sends an alarm signal to the processor, the processor responds to the received signal after decoding, the processor controls to turn on the red light of the second warning light 7, the red light on the auxiliary road 2 is turned on to warn an automobile driver, and the automobile driver on the auxiliary road 2 is cautiously driven after seeing the red light. Wherein the second warning lamp 7 is in a turned-off state when the first human body detecting part 12 does not detect a human body and the first velocimeter 8 does not detect a vehicle; when the detection conditions of the first person detecting section 12 and the first velocimeter 8 are not up to standard (meaning that there is no risk of car accident or there is little risk), the second warning lamp 7 is also in the light-off state. Human body detection and vehicle speed monitoring belong to a parallel relationship.
Through the cooperation setting of first velocimeter 8, first human body detection part 12 and second warning lamp 7, make this intersection vision blind area come car warning device have had the effect that detects on the main road that the car speed of coming, pedestrian that exists is to the central authorities removal in way, when detecting that the car speed on the main road 1 is faster or pedestrian on the main road 1 moves to the central authorities in auxiliary road 2 ways, control part control opens the red light or the yellow light of second warning lamp 7, can effectively warn the automobile driver who is located on auxiliary road 2 after the second warning lamp 7 on the main road 1 lights, reached and warned the automobile driver purpose that is located on auxiliary road 2, can effectively avoid the emergence of the traffic accident that causes because of intersection vision blind area.
The utility model provides a crossing vision blind area warning system that comes, includes storage element, communication module, and a crossing vision blind area warning device that comes, communication module sets up on the circuit board and is connected with the treater communication, storage element sets up on the circuit board and is connected with the treater communication. The communication assembly includes a WLAN communication element, a 4G or 5G communication element.
Specifically, a software program (including a logic program part) is carried in the processor, the communication component is used for enabling the control component to be in communication connection with the external device, and relevant data (specifically, data values of a primary threshold value and a secondary threshold value) in the processor can be debugged (or changed) through the external device.
Wherein, each human body infrared sensor can adopt one of a fixed human body infrared sensor and a rotary human body infrared sensor. Each velocimeter can adopt any one of a laser velocimeter and a radar velocimeter.
The intersection visual blind zone coming warning device and system also comprise other relevant parts and circuit elements so as to meet the stable operation of the device and system and meet the specific implementation requirements of the device and system.
Description: the intersection visual blind zone coming warning device and system can be applied to traffic roads (such as mountain and hilly land roads, steep slope sections, crossroad sections, T-shaped intersection sections and the like) in any scene, including but not limited to intersections with barriers 3. The intersection visual blind area coming warning device and the intersection visual blind area coming warning system have the best implementation effect at the intersection with the obstacle 3, and can effectively avoid traffic accidents caused by the intersection blind area.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (9)
1. The utility model provides a crossing vision blind area warning device that comes, its characterized in that: the road junction warning device comprises a control component, a first warning component and a second warning component, wherein the first warning component and the second warning component are arranged at the intersection of a road junction, the control component comprises a power supply assembly and a circuit board electrically connected with the power supply assembly, a processor is arranged on the circuit board, the control component is respectively and electrically connected with the first warning component and the second warning component, and the control component is used for receiving and processing data information of the first warning component and the second warning component;
the first warning component comprises a second velocimeter (9), a second human body detection component (13) and a first warning lamp (6) respectively, and is used for detecting the advancing speeds of automobiles and pedestrians on an auxiliary road, transmitting detected speed data information to the control component and displaying the emergency degree of the blind areas of the crossing to the main road automobile driver through the change of lamplight color;
the second warning part comprises a first velocimeter (8), a first human body detection part (12) and a second warning lamp (7) respectively, and the second warning part is used for detecting the advancing speeds of automobiles and pedestrians on a main road and transmitting detected speed data information to the control part and displaying the emergency degree of the blind areas of the crossing to a driver of the auxiliary road automobile through lamplight color change.
2. The intersection visual blind area coming warning device according to claim 1, wherein: the power supply assembly includes a battery pack, and a solar panel disposed on an obstacle.
3. The intersection visual blind area coming warning device according to claim 1, wherein: the first human body detection component (12) comprises a first human body infrared sensor and a second human body infrared sensor, and the first human body infrared sensor and the second human body infrared sensor are arranged on the main road in parallel and close to the auxiliary road junction.
4. The intersection visual blind area coming warning device according to claim 1, wherein: the second human body detection part (13) comprises a third human body infrared sensor and a fourth human body infrared sensor, and the third human body infrared sensor and the fourth human body infrared sensor are arranged on the auxiliary road in parallel and close to the intersection of the main road.
5. The intersection visual blind area coming warning device according to claim 1, wherein: the first warning lamp (6) and the first velocimeter (8) are arranged on a main road 40-150 m away from the intersection junction.
6. The intersection visual blind area coming warning device according to claim 1, wherein: the second warning lamp (7) and the second velocimeter (9) are arranged on an auxiliary road which is 30-120 m away from the intersection junction.
7. The intersection visual blind area coming warning device according to claim 1, wherein: the first warning lamp (6) and the second warning lamp (7) comprise red lamps and yellow lamps.
8. A warning system for coming vehicles in a visual blind area of an intersection is characterized in that: the intersection vision blind zone coming warning device comprises a storage element, a communication assembly and any one of claims 1 to 7, wherein the communication assembly is arranged on a circuit board and is in communication connection with a processor, and the storage element is arranged on the circuit board and is in communication connection with the processor.
9. The intersection visual blind area coming warning system according to claim 8, wherein: the communication assembly includes a WLAN communication element, a 4G or 5G communication element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320989327.0U CN219676717U (en) | 2023-04-27 | 2023-04-27 | Intersection vision blind area coming car warning device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320989327.0U CN219676717U (en) | 2023-04-27 | 2023-04-27 | Intersection vision blind area coming car warning device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219676717U true CN219676717U (en) | 2023-09-12 |
Family
ID=87895677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320989327.0U Active CN219676717U (en) | 2023-04-27 | 2023-04-27 | Intersection vision blind area coming car warning device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219676717U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20240321090A1 (en) * | 2024-05-29 | 2024-09-26 | Behrooz Karimian | Method and system for providing blind spot warning to vehicles |
-
2023
- 2023-04-27 CN CN202320989327.0U patent/CN219676717U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20240321090A1 (en) * | 2024-05-29 | 2024-09-26 | Behrooz Karimian | Method and system for providing blind spot warning to vehicles |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206805800U (en) | People's car automatic early-warning system | |
| CN101419749B (en) | Low-visibility road traffic guiding method | |
| KR100899118B1 (en) | Alarm device and method for automobile road | |
| CN106097776A (en) | A kind of bend collision early warning system and control method thereof | |
| CN206741717U (en) | Pedestrian's street crossing automatic early-warning system | |
| CN206805801U (en) | Hazardous vehicles cross the street caution system | |
| CN209804005U (en) | Bend meeting early warning system | |
| CN206773927U (en) | Bus or train route co-induction safe driving system under a kind of through street low visibility | |
| CN111880526A (en) | V2X automatic driving perception system based on 5G network | |
| CN215068612U (en) | Pedestrian crosses street laser warning system | |
| CN219676717U (en) | Intersection vision blind area coming car warning device and system | |
| CN112133129B (en) | Traffic intersection automatic warning system based on intelligent network connection technology | |
| CN218996168U (en) | Intelligent zebra crossing system for non-lamp controlled intersection | |
| CN216211540U (en) | Intelligent high-speed safe intelligent guidance system of wisdom | |
| CN209281641U (en) | An intelligent sensor safety warning device for pedestrian crossings | |
| CN100481151C (en) | Express highway intelligent safety monitoring pre-warning system and monitoring method thereof | |
| CN206441349U (en) | A kind of bend collision early warning system | |
| CN207140943U (en) | A kind of safety warning system | |
| CN213092518U (en) | Pedestrian crossing active early warning system based on video detection | |
| CN205881183U (en) | Crossing anticollision intelligence signal lamp device | |
| CN219246203U (en) | Pedestrian crossing safety early warning device based on multi-source heterogeneous sensor | |
| CN215495408U (en) | Overspeed warning system based on road clearance lamp | |
| CN216287069U (en) | Intelligent curve meeting early warning system | |
| CN217521662U (en) | Rural road safety early warning system | |
| CN204791548U (en) | Fork crossing warning platform based on thing networking |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |