CN216901936U - Road corner early warning system - Google Patents
Road corner early warning system Download PDFInfo
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- CN216901936U CN216901936U CN202122884487.2U CN202122884487U CN216901936U CN 216901936 U CN216901936 U CN 216901936U CN 202122884487 U CN202122884487 U CN 202122884487U CN 216901936 U CN216901936 U CN 216901936U
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Abstract
The utility model discloses a road corner early warning system, which comprises a pressure sensor, a speed sensor, an ultrasonic wireless sensor, a system control unit, a screen bracket and a state display screen, wherein the pressure sensor is connected with the speed sensor; the pressure sensor, the speed sensor and the ultrasonic wireless sensor are independent of each other and are used for detecting the states of automobiles and pedestrians; the system control unit is used for processing signals and sending out a system detection state; the state display screen is used for displaying the early warning signal and displaying road data of the road blind area for pedestrians and vehicles; the screen support is used for supporting the state display screen. The state early warning system is constructed by adopting the multiple sensors, the control processing platform and the display equipment, so that the equipment cost is reduced, and the stability and the accuracy of detection can be improved through the effective cooperation of the multiple sensors and the controller.
Description
Technical Field
The utility model belongs to the technical field of road early warning, and particularly relates to a road corner early warning system.
Background
Among various traffic accident problems, the accident occurrence probability of the road with the turning dead angle is higher due to the problems of the road dead angle, the view blind area and the like of the turning road, and the great safety threat is caused to pedestrians and motor vehicle drivers. At present, aiming at the problem of road dead angles, traffic departments set wide-angle lenses at road corners and vision blind areas, but the wide-angle lenses are easily influenced by environmental conditions and cannot effectively play a role in dark and severe weather environments; compared with a wide-angle lens, the intelligent vision state has better adaptability and can be used for striking state prompt, but the intelligent vision device has higher cost, an image recognition system needs to be configured, state recognition is carried out through an image detection algorithm, and the overall setting cost is higher.
For a road dead angle early warning device, rapid and accurate early warning state prompt needs to be ensured, and road potential safety hazards are reduced, so that the early warning device has higher requirements on early warning speed and detection accuracy, and therefore, how to ensure rapid and stable state detection and early warning and reduce the setting cost of early warning equipment as far as possible is an important problem to be solved at present.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide a road corner early warning system, a state early warning system is constructed by adopting a plurality of sensors, a control processing platform and a display device, the system not only reduces the equipment cost, but also can improve the stability and the accuracy of detection through the effective matching of the plurality of sensors and a controller.
In order to achieve the purpose, the utility model adopts the technical scheme that:
a road corner early warning system comprises a pressure sensor 1, a speed sensor 2, an ultrasonic wireless sensor, a system control unit 3, a screen support 4 and a state display screen 5;
the pressure sensor 1, the speed sensor 2 and the ultrasonic wireless sensor are independent from each other and are used for detecting the state of an automobile and a pedestrian; the system control unit 3 is used for processing signals and sending out a system detection state; the state display screen 5 is used for displaying the early warning signal and displaying road data of the road blind area for pedestrians and vehicles; the screen support 4 is used to support the status display screen 5.
The pressure sensors 1 are arranged at the inlets of the two detection areas, the pressure sensors 1 are transversely arranged at fixed intervals, cross over the whole road and are used for detecting the early warning state of the vehicle, a certain safety distance needs to be reserved in consideration of the arrangement position of the sensors, and the pressure sensors 1 are arranged at the positions 50m away from the corner intersections.
The speed sensor 2 and the pressure sensor 1 are arranged at the same position, are arranged on one side of a road at the entrance of the two detection areas and are used for detecting early warning states of pedestrians and vehicles.
The ultrasonic wireless sensors comprise an ultrasonic wireless sensor A6, an ultrasonic wireless sensor B7, an ultrasonic wireless sensor C8 and an ultrasonic wireless sensor D9, wherein the ultrasonic wireless sensor A6 and the ultrasonic wireless sensor D9 are arranged on one side of a road of two detection areas and used for detecting the state of a pedestrian, and the ultrasonic wireless sensor A6 and the ultrasonic wireless sensor D9 are arranged 20m away from a corner intersection;
the ultrasonic wireless sensor B7 and the ultrasonic wireless sensor C8 are arranged on the road side at the exits of the two detection areas and are used for detecting whether pedestrians or vehicles leave the detection areas.
And the screen support 4 is connected with the state display screen 5, is arranged at the outlet of the detection area and is used for prompting the state data of the detection area.
The state display screen 5 is used for prompting three road states of vehicles, pedestrians and fault early warning, and when the state display screen 5 prompts the states, the corresponding states are displayed in red and flicker for prompting.
The model of the ultrasonic wireless sensor is TSPC-21S/21SRM/25P, the model of the pressure sensor 1 is JLBU-1, and the model of the speed sensor 2 is ROLS-P laser remote speed measurement sensor.
The ultrasonic wireless sensor, the pressure sensor and the speed sensor are respectively provided with an independent signal acquisition unit, the signal acquisition units perform analog-to-digital conversion processing on signals and transmit acquired data to the detection system control unit through respective wireless communication modules (5G or a local area networking communication mode), and the control unit transmits the received sensor detection data and the processed road state data to the cloud data storage platform through a 5G communication mode.
A control method of a road corner early warning system comprises the following steps;
(1) the system comprises an ultrasonic wireless sensor, a pressure sensor 1 and a speed sensor 2, wherein the ultrasonic wireless sensor, the pressure sensor 1 and the speed sensor 2 are respectively used for detecting the states of vehicles and pedestrians in a road detection section, the pressure sensor 1 and the speed sensor 2 are used in a matched mode for detecting whether the vehicles or the pedestrians enter or not, and meanwhile, the pressure sensor 1 is also used for detecting whether the vehicles leave a detection area or not; the ultrasonic wireless sensor A6 and the ultrasonic wireless sensor D9 are used for detecting whether a pedestrian reaches the early warning interval or not and simultaneously detecting whether a vehicle normally moves forward in the detection interval or not; the ultrasonic wireless sensor B7 and the ultrasonic wireless sensor C8 are used for detecting the state of the pedestrian leaving the vehicle;
(2) when the vehicle or the pedestrian exists in the detection zone, the vehicle or the pedestrian of the state display screen 5 is displayed in red and is subjected to flicker prompt; when the sensors in the detection section do not normally cooperate to detect vehicles or pedestrians, in order to avoid dangerous situations, the state display screen 5 can perform fault state early warning to ensure road safety;
(3) the ultrasonic wireless sensor, the pressure sensor 1 and the speed sensor 2 are used for detecting road state data, and the detection data of the sensors can be transmitted to the signal acquisition unit in real time; the acquisition unit receives the data and transmits the data to the detection system control unit 3 through the wireless communication module; the control unit judges the road states of the right-turn and left-turn detection areas according to the sensor data and determines whether vehicles or pedestrians exist in the areas; after the control unit determines the road state, the control display screen can prompt the corresponding state of early warning; the control unit sends the received sensor detection data and the processed road state data to the cloud data storage platform so as to facilitate management and query of relevant personnel, and when the system judges that the detection area is in a fault warning state, the management query terminal can also prompt so as to facilitate fault processing of working personnel; meanwhile, the cloud processing data can also be sent to the mobile terminal device, so that the vehicle owner can conveniently make a driving reaction in advance;
(4) when an individual enters a detection area, the pressure sensor 1 and the speed sensor 2 transmit detection data to the processing platform, when the detection data of the pressure sensor 1 and the speed sensor 2 are larger than a set threshold value, the individual is judged to be a vehicle, and vehicle state monitoring is carried out subsequently; when the detection data of the pressure sensor 1 and the speed sensor 2 are smaller than a set threshold value, judging that the entering individual is a pedestrian, and subsequently monitoring the state of the pedestrian;
(5) after the vehicle is judged to enter the detection area, the control unit controls the state display screen 5 to display the vehicle identification and flicker; then, if individual signals are detected before and after the ultrasonic wave A and the ultrasonic wave B, the vehicle normally passes, and when the ultrasonic wave B detects the signals, the vehicle mark of the control state screen disappears, and the warning screen is turned off; if the ultrasonic wave A or the ultrasonic wave B does not detect the signal, the signal of the pressure sensor 1 needs to be further determined, if the pressure data of the vehicle is detected, the vehicle is indicated to have headed and run out of the detection area, the vehicle mark of the control state screen disappears, and the warning screen is extinguished; if the pressure sensor 1 does not detect the vehicle pressure data, it indicates that the sensor unit of the detection area is faulty or the vehicle stops in the detection area, and at this time, an alarm prompt needs to be given.
(6) After the pedestrian enters the detection area, the state screen does not prompt, and if the ultrasonic wireless sensor A6 does not detect individual data and the speed sensor 2 does not detect pedestrian data, the state display screen 5 gives a fault alarm; if the ultrasonic wireless sensor A6 detects the individual data, the control unit controls the state display screen 5 to display the pedestrian identification and flicker, and if the ultrasonic wireless sensor A6B detects the individual signal, the pedestrian normally passes through; if the ultrasonic wireless sensor A6 detects individual data, the ultrasonic wireless sensor B7 does not detect individual signals, and meanwhile, the ultrasonic wireless sensor A6 detects the individual data again after a short interval, it indicates that the pedestrian and the vehicle turn around and walk out of the detection area, and the warning screen is turned off; if the ultrasonic wireless sensor A6 detects individual data, the ultrasonic wireless sensor B7 does not detect individual signals, and meanwhile, the ultrasonic wireless sensor A6 does not detect data after a period of time, whether pedestrian data exist or not needs to be judged through the speed sensor 2, if the pedestrian data are detected, it is indicated that a pedestrian leaves a detection area, the warning screen is turned off, if the pedestrian data are not detected, it is indicated that a sensor unit of the detection area is in a fault or the pedestrian stops in the detection area, and at the moment, warning prompt needs to be carried out;
(7) when an individual normally enters a left turn detection area through a right turn area, the state display screen 5 can carry out corresponding identification prompt according to a vehicle or a pedestrian, if the individual is a vehicle, when the pressure sensor 1 detects vehicle pressure data, the vehicle identification of the state screen is controlled to disappear, and the warning screen is controlled to be turned off; when the pressure sensor 1 does not detect the pressure data of the vehicle, the state display screen 5 gives a fault alarm, if the pressure data of the vehicle is a pedestrian, whether the pedestrian leaves the detection interval is judged through the ultrasonic wireless sensor D9, and if the ultrasonic wireless sensor D9 normally detects a pedestrian signal, the warning screen is turned off; when the ultrasonic wireless sensor D9 does not detect a pedestrian signal, the state display screen 5 gives a fault alarm;
(8) the pedestrian and the vehicle can be effectively detected through the early warning system, and the state prompt is carried out; meanwhile, when the system is in an abnormal state, the system can warn, the probability of road occurrence is reduced as much as possible, and the safety index of the dead angle and blind area of the road is improved.
The utility model has the beneficial effects that:
(1) the utility model provides a road corner early warning system mounting structure, which constructs an early warning system by six main parts, namely a pressure sensor, a speed sensor, an ultrasonic wireless sensor, a system control unit, a screen bracket and a state display screen, wherein the pressure sensor, the speed sensor and the ultrasonic wireless sensor are mutually independent and are used for detecting the states of automobiles and pedestrians; the system control unit is used for processing signals and sending out a system detection state; the state display screen is used for displaying early warning signals and displaying road data of the road blind areas for pedestrians and vehicles. Meanwhile, the utility model also explains the installation positions of the main six parts in the early warning system.
(2) The road corner early warning system can realize effective state detection on pedestrians and vehicles and carry out state prompt; meanwhile, when the system is in an abnormal state, the system can warn, the probability of road occurrence is reduced as much as possible, and the safety index of the dead angle and blind area of the road is improved.
(3) The utility model adopts the wireless communication module to transmit data, thereby simplifying the system structure. Meanwhile, real-time data of the system are transmitted to the cloud platform so as to facilitate query and management of managers, and when the detection system has fault early warning, rapid troubleshooting is realized; the cloud processing data can also be sent to the mobile terminal device, so that the vehicle owner can conveniently make a driving reaction in advance.
Drawings
Fig. 1 is a view showing the installation structure of the system of the present invention.
Fig. 2 is a schematic diagram of a state display device of the early warning system according to the present invention.
Fig. 3 is a schematic diagram of the operation of the early warning system of the present invention.
FIG. 4a is a flow chart of individual detection.
Fig. 4b is a flow chart of vehicle operating condition detection.
Fig. 4c is a flow chart of vehicle behavior detection.
Fig. 4d is a flow chart of vehicle operating condition detection.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
(1) The road corner early warning system provided by the utility model is particularly suitable for places such as road corners or road vision blind areas, and the system structure is mainly protected, as shown in fig. 1 and 2, specifically: the pressure sensors are arranged at the inlets of the two detection areas, are transversely arranged at fixed intervals, transversely penetrate through the whole road and are used for detecting the early warning state of the vehicle. Considering that a certain safety distance needs to be reserved at the installation position of the sensor, the pressure sensor is arranged 50m away from the corner intersection; the speed sensor and the pressure sensor are arranged at the same position, are arranged on one side of a road at the entrance of the two detection areas and are used for detecting the early warning states of pedestrians and vehicles; the ultrasonic wireless sensor A, D is arranged at one side of the road of the two detection areas for pedestrian state detection, and the pressure sensor is arranged at a position 20m away from the corner intersection in consideration of the safety distance; the ultrasonic wireless sensor B, C is arranged on one side of the road at the exit of the two detection areas and is used for detecting whether pedestrians or vehicles leave the detection areas; the screen bracket is connected with the state display screen, is arranged at the outlet of the detection area and is used for prompting the state data of the detection area; the state display screen is used for prompting three road states of vehicles, pedestrians and fault early warning, and when the display screen prompts the states, the corresponding states are displayed in red and flicker is conducted for prompting.
(2) The early warning system state detection judgment strategy is the core content of the early warning system for realizing road detection and early warning, and the system state detection judgment strategy is mainly protected, as shown in fig. 4a, 4b, 4c and 4d, effective state detection of pedestrians and vehicles in the detection section road is realized through individual detection, vehicle running state detection, pedestrian running state detection and road state detection after steering, and state prompt is carried out; meanwhile, when the system is in an abnormal state, the system can warn, the probability of road occurrence is reduced as much as possible, and the safety index of the dead angle and blind area of the road is improved.
(3) According to the technical scheme, the wireless communication module is adopted for data transmission, so that the system structure is simplified, equipment can conveniently and flexibly select the installation position, and the adaptability of the system to various installation environments can be greatly improved;
(4) the technology establishes the operation principle of the early warning system, the schematic diagram is shown in figure 3, and the ultrasonic wireless sensor, the pressure sensor and the speed sensor are used for detecting road state data. The detection data of the sensor can be transmitted to the signal acquisition unit in real time; the acquisition unit receives the data and transmits the data to the detection system control unit through the wireless communication module; the control unit judges the road states of the right-turn and left-turn detection areas according to the sensor data and determines whether vehicles or pedestrians exist in the areas; after the control unit determines the road state, the control display screen can prompt the corresponding state of early warning; the control unit sends the received sensor detection data and the processed road state data to the cloud data storage platform so as to facilitate management and query of relevant personnel, and when the system judges that the detection area is in a fault warning state, the management query terminal can also prompt so as to facilitate fault processing of working personnel; meanwhile, the cloud processing data can also be sent to the mobile terminal device, so that the vehicle owner can conveniently make a driving reaction in advance.
Claims (7)
1. The road corner early warning system is characterized by comprising a pressure sensor (1), a speed sensor (2), an ultrasonic wireless sensor, a system control unit (3), a screen support (4) and a state display screen (5);
the pressure sensor (1), the speed sensor (2) and the ultrasonic wireless sensor are mutually independent and are used for detecting the state of an automobile and a pedestrian; the system control unit (3) is used for processing signals and sending out a system detection state; the state display screen (5) is used for displaying the early warning signal and displaying road data of the road blind area for pedestrians and vehicles; the screen bracket (4) is used for supporting the state display screen (5).
2. A road corner warning system according to claim 1, wherein the pressure sensors (1) are arranged at the entrance of two detection areas, the pressure sensors (1) are transversely arranged at fixed intervals, and are distributed across the whole road for vehicle warning state detection, and the pressure sensors (1) are arranged 50m away from a corner intersection.
3. The road corner early warning system according to claim 1, wherein the speed sensor (2) and the pressure sensor (1) are arranged at the same position, are arranged on one side of the road at the entrance of the two detection areas and are used for detecting early warning states of pedestrians and vehicles.
4. The road corner early warning system according to claim 1, wherein the ultrasonic wireless sensor comprises an ultrasonic wireless sensor A (6), an ultrasonic wireless sensor B (7), an ultrasonic wireless sensor C (8) and an ultrasonic wireless sensor D (9), the ultrasonic wireless sensor A (6) and the ultrasonic wireless sensor D (9) are arranged on one side of the road of the two detection areas and used for pedestrian state detection, and the ultrasonic wireless sensor A (6) and the ultrasonic wireless sensor D (9) are arranged 20m away from the corner intersection;
the ultrasonic wireless sensor B (7) and the ultrasonic wireless sensor C (8) are arranged on one side of a road at the exits of the two detection areas and used for detecting whether pedestrians or vehicles leave the detection areas or not.
5. The road corner early warning system according to claim 1, wherein the screen support (4) is connected with a status display screen (5), is arranged at an outlet of the detection area, and is used for prompting status data of the detection area.
6. The road corner early warning system according to claim 1, wherein the state display screen (5) is used for prompting three road states of vehicles, pedestrians and fault early warning, and when the state display screen (5) prompts the state, the corresponding state is displayed in red and is flickered for prompting.
7. The road corner early warning system according to claim 1, wherein the ultrasonic wireless sensor is TSPC-21S/21SRM/25P, the pressure sensor (1) is JLBU-1, and the speed sensor (2) is ROLS-P laser remote speed sensor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122884487.2U CN216901936U (en) | 2021-11-23 | 2021-11-23 | Road corner early warning system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122884487.2U CN216901936U (en) | 2021-11-23 | 2021-11-23 | Road corner early warning system |
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| CN216901936U true CN216901936U (en) | 2022-07-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113936468A (en) * | 2021-11-23 | 2022-01-14 | 西安热工研究院有限公司 | Road corner early warning system and control method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113936468A (en) * | 2021-11-23 | 2022-01-14 | 西安热工研究院有限公司 | Road corner early warning system and control method |
| CN113936468B (en) * | 2021-11-23 | 2024-02-23 | 西安热工研究院有限公司 | Road corner early warning system and control method |
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