Parking facility safety early warning method, equipment and medium

Abstract

The invention discloses a parking facility safety early warning method and device and a medium, and relates to the technical field of intelligent traffic control, and the safety early warning system design method comprises the following steps: obtaining static design parameters of a parking facility; the method comprises the following steps: acquiring a vehicle parking state of a parking facility and dynamic information of vehicles and pedestrians on a nearby road by arranging detection equipment; and the static design parameters and the dynamic traffic information are integrated, and a safety early warning strategy is formulated according to conditions by analyzing the parking state of the parked vehicle and the conflict relationship between the passing vehicle and the passing pedestrian. According to the invention, conflicts between parked vehicles and passing vehicles and pedestrians can be avoided, the safety level of parking facilities and surrounding road traffic is enhanced, the possibility of traffic accidents is reduced, and the management efficiency of the parking system is improved.

Description

Technical Field

[0001] The invention relates to the technical field of intelligent traffic control and discloses a parking facility safety early warning method, equipment and medium. Background Art

[0002] With the acceleration of urbanization, urban traffic pressure is increasing, especially in areas with dense traffic such as commercial areas, residential areas and office areas. A large number of parking facilities have become an important means to solve the urban parking problem due to their efficient space utilization and convenient parking methods. However, while providing convenience, parking facilities also bring a series of safety hazards.

[0003] In current parking facilities, vehicles often need to be precisely maneuvered in a limited space to enter and exit the vehicle, which not only places high demands on the driver's skills, but also increases the risk of collisions with other vehicles and pedestrians. Especially in the case of limited vision or blind spots, it is difficult for drivers to detect changes in the surrounding environment in a timely manner, which increases the probability of accidents.

[0004] Regarding the blind spot problem, first of all, the structure of the vehicle itself is one of the main causes of the blind spot, especially the A-pillar, B-pillar and C-pillar of the vehicle. These structures are often thick and strong when designed to provide the rigidity and safety of the vehicle body, thus forming an unavoidable obstruction in the driver's line of sight. In addition, the hood of the vehicle and large cargo will also limit the driver's downward and forward vision. Especially when entering the warehouse, these obstructions will seriously affect the driver's judgment of the space in front of and below the vehicle. Secondly, the parking environment also has a significant impact on the blind spot. For example, insufficient lighting or narrow parking spaces in the parking lot will increase the difficulty for the driver to observe the surrounding environment, and surrounding obstacles, such as other vehicles, walls or trees, may also become obstacles to vision. Then, when parking in and out of the warehouse, it may not be possible to fully observe the surrounding traffic conditions, thereby increasing the risk of accidents.

[0005] In addition, the passage of vehicles and pedestrians in the parking area may also be affected by vehicles entering and leaving, especially during peak hours, when the increase in vehicle and pedestrian traffic makes this problem more prominent. Existing parking management systems often focus on the parking efficiency of vehicles and ignore the need for safety warnings, which to a certain extent aggravates the safety risks of parking areas.

[0006] Currently, no effective solution has been proposed for the problems in the related technologies. Summary of the invention

[0007] In view of this, the purpose of the embodiments of the present application is to provide a parking facility safety warning method to overcome the problems existing in the existing related technologies.

[0008] To this end, the specific technical solution adopted by the present invention is as follows: A parking facility safety early warning design method, the parking facility safety early warning method comprising the following steps: S1. Obtain static design parameters of parking facilities; S2. By setting up detection equipment, obtain the parking status of vehicles in parking facilities and the dynamic information of vehicles and pedestrians on nearby roads; S3. Integrate static design parameters and dynamic traffic information, analyze the conflict between the parked status of parked vehicles and passing vehicles and pedestrians, and formulate safety warning strategies according to different situations; S4. Explain the warning signals for each situation.

[0009] Furthermore, step S2 specifically includes the following steps: S21, installing a Class A pedestrian detection sensor and a warning horn at a vertical distance L1 from the rightmost and leftmost parking spaces; S22, setting a Class B passing vehicle detection sensor and a warning horn at a vertical distance L2 from the rightmost and leftmost parking spaces; S23, placing a Class C sensor and a warning horn at the front end of each parking space to detect the entry of vehicles into the parking system; S24, placing a Class D sensor and a warning horn at the rear end of each parking space to detect the exit of the parking system vehicle; S25. Specify the parameters displayed by the sensor. When the sensor starts to change, the sensor changes from state 0 to state 1. The sensor does not change from state 1 back to state 0 until the person or vehicle that affects the sensor leaves the parking facility. The state of each sensor is represented by q. The sensor records the time T when the state starts to change. When q is 0, T is always 0. S26. When the alarm system starts, if the sum of the states of the four types of sensors is greater than or equal to 1, the calculation formula is:

[0010] In the formula, Indicates the status value of the left type A sensor, Indicates the status value of the right-side A-type sensor, Indicates the status value of the left type B sensor, Indicates the status value of the right type B sensor, Indicates the status value of the C type sensor, represents the state value of the D-type sensor, n represents the total number of parking spaces in the parking facility, and i represents a parking space in the parking facility; When the above formula is met, it proves that there are pedestrians or vehicles passing by or serving in the parking system; at this time, the calculation formula is:

[0011] Record this time is the time when the system starts; The time recorded when the type A sensor is running. This is the time recorded when the type B sensor is running. This is the time recorded when the C-type sensor is running. This is the time recorded when the D-type sensor is running; if there are no pedestrians or vehicles passing by within the detection range of each sensor, the corresponding , , is 0.

[0012] Further, step S3 includes the following steps: S31. Specify the variables of each formula of the early warning system. ta represents the maximum possible time for pedestrians to enter and leave the system under normal circumstances; tb represents the maximum possible time for vehicles to enter and leave the system under normal circumstances; tc represents the maximum possible time for vehicles to enter the warehouse under normal circumstances; td represents the maximum possible time for vehicles to leave the warehouse under normal circumstances; lcar represents the length of the passing vehicle; a1 represents the length of the first parking space; b1 represents the width of the first parking space; and so on; Vtraffic is equal to the speed of the traffic when vehicles form a queue; Sk represents the maximum area occupied by k people queuing to pass; Vpedestrian represents the speed of pedestrians gathering in a queue; Vhum represents the speed of pedestrians without obvious queue effect; Venting represents the speed of vehicles entering the warehouse; V out of the parking lot indicates the speed of the vehicle when it leaves the parking lot; L safety indicates the safe distance between the vehicle and pedestrians; N indicates the total number of parking spaces in the parking system; S32. Check whether each state quantity changes within the time {T0, T0+t1}, where t1=max{ta, tb, tc, td}; if it changes, it means that during this period of time, there is a second pedestrian or vehicle with a travel purpose entering the system; S33. If during this process, the C and D detectors do not change, then the warning 1 is broadcast; S34. If during this process, the C-type detector does not change, but the D-type detector changes, it is necessary to determine whether the conflicting parties are a vehicle leaving the warehouse and a passing vehicle or person. If not, a warning 2 is broadcasted; if so, the order of entering the system is determined according to the following formula:

[0013] If the above formula is satisfied, it means that the outbound vehicle is later than the passing vehicles and pedestrians. At this time, it continues to determine whether the passing vehicles have gathered and queued. If no queue has occurred, warning 3 is broadcast; if a queue has occurred, the formula is used:

[0014] Where m represents the number of vehicles in the queue. represents the width of the kth parking space, Indicates the waiting time in this case; Warning 4 is broadcasted, and the outgoing vehicle is notified that it needs to wait for about tw1 seconds; while judging the passing vehicles, it is also judged whether the passing pedestrians have formed a queue. If no queue has formed, warning 5 is broadcasted. If a queue has formed, the waiting time is calculated according to the formula:

[0015] in Indicates the waiting time in this case; Warning 6 is broadcasted, and the incoming vehicle is notified that it needs to wait for about tw2 seconds. If the above time inequality is not satisfied, it means that the outgoing vehicle moves earlier than the passing vehicles and pedestrians. If the outgoing direction is on the same side as the passing vehicles and pedestrians, the threshold relationship between pedestrians and vehicles is determined according to the following two formulas:

[0016] in Indicates the vertical distance between the Class B sensor and the leftmost parking space or the rightmost parking space; If the above formula is satisfied, a warning 7 is broadcast;

[0017] in Indicates the vertical distance between the A-type sensor and the leftmost parking space or the rightmost parking space; If the above formula is satisfied, a warning 8 is broadcast; If the exit direction is on a different side from the passing vehicles and pedestrians, the threshold relationship between vehicles and pedestrians is determined based on the following two formulas:

[0018] in Indicates the width of the nth parking space; If the above formula is satisfied, warning 9 is broadcast;

[0019] If the above formula is satisfied, a warning 10 is broadcast; S35. If during this process, the C-type detector is not 0, and the D-type detector is 0, then it is determined whether the conflicting parties are an incoming vehicle and a passing vehicle or person. If not, a warning 11 is broadcasted. If so, the order in which the incoming vehicle and the passing vehicle or pedestrian enter the system is determined according to the following formula:

[0020] If the above formula is satisfied, it means that the time when the incoming vehicle enters the system is later than the time when the passing vehicles and pedestrians enter the system; at this time, if the incoming vehicle is on the same side as the passing vehicles and pedestrians, it is determined whether the vehicles and pedestrians form a gathering queue. If the passing vehicles do not form a gathering queue, a warning 12 is broadcasted. If the passing vehicles form a gathering queue, the following formula is used:

[0021] in Indicates the waiting time in this case; Warning 13 is broadcasted, and vehicles entering the warehouse are notified that they need to wait for about tw3 seconds; For pedestrians: If the pedestrians do not form a gathering or queue, the warning 14 will be broadcast; if the pedestrians form a gathering or queue, the formula is used:

[0022] in Indicates the waiting time in this case; Warning 15 is broadcasted, and the vehicle entering the warehouse is informed that it needs to wait for about tw4 seconds; if the vehicle entering the warehouse and the passing vehicles and pedestrians are on the opposite side, warning 16 is directly broadcasted; If the above time inequality is not satisfied, it means that the time when the incoming vehicle enters the system is earlier than the time when the passing vehicles and pedestrians enter the system. If the incoming vehicle and the passing vehicles and pedestrians are on the same side at this time, the following two formulas are used to determine the thresholds of pedestrians and vehicles respectively:

[0023] If the above formula is satisfied, warning 17 is broadcast;

[0024] If the above formula is satisfied, a warning 18 is broadcast; If the incoming vehicle and the passing vehicles and pedestrians are on the opposite side, a warning 19 will be broadcast; S36. If during this process, both the C and D detectors are changed, a warning 20 is broadcast.

[0025] Further, the description of the warning signals for each situation includes the following steps: Warning 1 means "Pay attention to pedestrians and vehicles in front and behind, please slow down"; Warning 2 means "There are currently multiple vehicles leaving the warehouse. Please keep a distance between vehicles when leaving the warehouse"; Warning 3 means "There is a vehicle coming ahead, please pay attention to it when leaving the warehouse"; Warning 4 means "There are many vehicles ahead, please wait patiently for exit, the waiting time is about tw1 seconds"; Warning 5 means "There are pedestrians ahead, please pay attention to pedestrians when leaving the warehouse"; Warning 6 means "There are many pedestrians ahead, please wait patiently for exit, the waiting time is about tw2 seconds"; Warning 7 means "The vehicle ahead is about to leave the garage, please slow down"; Warning 8 means "The vehicle ahead is about to leave the garage, please pull over and pay attention to safety"; Warning 9 means "Be careful of oncoming vehicles when leaving the warehouse, please remain highly alert"; Warning 10 means "Be careful of pedestrians when leaving the warehouse, please remain highly alert"; Warning 11 means "There are currently multiple vehicles entering the warehouse, please keep a safe distance"; Warning 12 means "Pay attention to the vehicle ahead when entering the warehouse and keep a safe distance"; Warning 13 means "There are many vehicles ahead. Please wait patiently before entering the garage. It will take about tw3 seconds." Warning 14 means "Pay attention to pedestrians in front when entering the warehouse and keep a safe distance"; Warning 15 means "There are many pedestrians ahead. Please wait patiently before entering the warehouse. It will take about tw4 seconds." Warning 16 means "Watch out for oncoming vehicles and pedestrians when entering a warehouse"; Warning 17 means "Be careful, the vehicle ahead is entering the garage, please slow down and keep a safe distance"; Warning 18 means "Attention, the vehicle ahead is entering the garage, please pull over and keep a safe distance"; Warning 19 means "oncoming vehicles are entering the garage, please give way"; Warning 20 means "There are currently multiple vehicles entering and exiting the warehouse, please be sure to maintain the minimum safe distance.

[0026] On the other hand, the present invention discloses a computer-readable storage medium storing a computer program, characterized in that when the computer program is executed by a processor, the processor executes the steps of the above method.

[0027] On the other hand, the present invention further discloses a computer device, including a memory and a processor, wherein the memory stores a computer program, and wherein when the computer program is executed by the processor, the processor executes the steps of the above method.

[0028] In addition, the present invention innovatively sets a Class A (pedestrian detection) sensor at a vertical distance of L1 from the rightmost and leftmost parking spaces, a Class B (passing vehicle detection) sensor at L2, and a Class C sensor at the front end of the parking space for detecting vehicles entering the parking space, and a Class D sensor at the rear end for detecting vehicles leaving the parking space. This layout can fully and accurately sense the parking status of vehicles in the parking facility and the dynamic information of vehicles and pedestrians on the adjacent roads, ensuring the accuracy and completeness of the data obtained by the system, and providing a solid foundation for subsequent precise analysis.

[0029] By specifying complex but reasonable formula variables (such as ta, tb, tc, td, etc., which respectively represent the maximum possible time required for pedestrians and vehicles to enter and exit the system and enter and exit the warehouse, lcar represents the length of the passing vehicle, V traffic, V pedestrians, Vhum, V entry, V exit, etc., respectively represent the speed under different circumstances, Sk represents the area occupied by pedestrian queues, etc.), the collected data can be deeply analyzed. In {T0, T0+t1} time, the changes of various state quantities are checked, and the conflict types are accurately judged in combination with the state changes of various sensors (such as whether C and D detectors change, etc.), such as the conflict between outgoing vehicles and passing vehicles or people, and between incoming vehicles and passing vehicles or people. According to the complex conflict analysis results, up to 20 different safety warning strategies are formulated according to different situations, covering various possible dynamic combinations of vehicles and pedestrians. At the same time, the technical solution of the present invention has high flexibility and can adapt to vertical parking facilities of different scales and layouts. Whether it is the number of parking spaces, parking space dimensions (such as the length a1 and width b1 of the first parking space), or changes in vehicle and pedestrian traffic, the system can adapt by adjusting sensor parameters and warning rules to ensure normal operation and function in various situations.

[0030] In summary, the present invention realizes real-time monitoring and early warning of vehicle and pedestrian dynamics by integrating advanced sensor technology, data processing algorithms and real-time communication technology. The system can identify potential conflict points and blind spots, and send early warning signals to drivers and pedestrians in a timely manner, thereby effectively reducing the accident rate in parking areas and protecting people's lives and property. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0032] Figure 1 is a roadmap according to an embodiment of the present invention; Figure 2 This is one of the flow charts according to a specific application of an embodiment of the present invention; Figure 3 This is the second flow chart of a specific application according to an embodiment of the present invention; Figure 4 This is the third flow chart of a specific application according to an embodiment of the present invention; Figure 5 It is a plan view of the parking facility. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0034] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementations and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0035] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein are only for the purpose of describing the embodiments of this application and are not intended to limit this application.

[0036] According to an embodiment of the present invention, a parking system safety early warning method is provided.

[0037] The present invention will now be further described with reference to the accompanying drawings and specific embodiments. Figure 1 As shown, the parking facility safety early warning method according to an embodiment of the present invention includes the following steps: S1. Obtaining static design parameters of the parking facility; S2. By setting up detection equipment, obtain the parking status of vehicles in the parking facility and the dynamic information of vehicles and pedestrians on the adjacent roads; S3. Integrate static design parameters and dynamic traffic information, analyze the conflict between the parked vehicles and passing vehicles and pedestrians, and formulate safety warning strategies according to different situations; S4. Explain the warning signals for each situation.

[0038] In specific implementation, by setting up detection equipment, obtaining the parking status of vehicles in parking facilities and the dynamic information of vehicles and pedestrians on adjacent roads includes the following steps: S21. Install a Class A (pedestrian detection) sensor and a warning horn at a vertical distance L1 from the rightmost and leftmost parking spaces; S22, installing a Class B (passing vehicle detection) sensor and a warning horn at a vertical distance L2 from the rightmost and leftmost parking spaces; S23, placing a Class C sensor and a warning horn at the front end of each parking space to detect the entry of vehicles into the parking system; S24, placing a Class D sensor and a warning horn at the rear end of each parking space to detect the exit of the parking system vehicle; S25. Specify the parameters displayed by the sensor. When the sensor starts to change, the sensor changes from state 0 to state 1. The sensor does not change from state 1 back to state 0 until the person or vehicle that affects the sensor leaves the parking facility. The state of each sensor is represented by q. The sensor will record the time T when the state starts to change. However, it is worth noting that when q is 0, T is always 0.

[0039] S26. Specify the time when the warning system starts. If the sum of the states of the four types of sensors is greater than or equal to 1, the calculation formula is:

[0040] In the formula, Indicates the status value of the left type A sensor, Indicates the status value of the left type A sensor, Indicates the status value of the right-side A-type sensor, Indicates the status value of the left type B sensor, Indicates the status value of the right type B sensor, Indicates the status value of the C type sensor, Indicates the status value of the C type sensor, represents the state value of the D-type sensor, n represents the total number of parking spaces in the parking facility, and i represents a parking space in the parking facility. When the above formula is met, it proves that there are pedestrians or vehicles passing by or serving in the parking system. At this time, the calculation formula is:

[0041] Record this time is the time when the system starts. The time recorded when the type A sensor is running. This is the time recorded when the type B sensor is running. This is the time recorded when the C-type sensor is running. This is the time recorded when the D-type sensor is running. If there are no pedestrians or vehicles passing by within the detection range of each sensor, the corresponding , , is 0.

[0042] In the specific implementation, the static design parameters and dynamic traffic information are integrated, and the conflict relationship between the parked state of the parked vehicles and the passing vehicles and pedestrians is analyzed. The safety warning strategy is formulated according to the situation, including the following steps: S31. Specify the variables of each formula of the early warning system. ta represents the maximum possible time for pedestrians to enter and leave the system under normal circumstances; tb represents the maximum possible time for vehicles to enter and leave the system under normal circumstances; tc represents the maximum possible time for vehicles to enter the warehouse under normal circumstances; td represents the maximum possible time for vehicles to leave the warehouse under normal circumstances; lcar represents the length of the passing vehicle; a1 represents the length of the first parking space; b1 represents the width of the first parking space; and so on; Vtraffic equals the speed of the traffic when vehicles form a queue; Sk represents the maximum area occupied by k people queuing to pass; Vpedestrian represents the speed of pedestrians gathering in the queue; Vhum represents the speed of pedestrians (without obvious queue effect); Ventry represents the speed of vehicles entering the warehouse; Vexit represents the speed of vehicles leaving the warehouse; Lsafe represents the safe distance between vehicles and pedestrians. N represents the total number of parking spaces in the parking system.

[0043] S32. Check whether each state quantity has changed within the time {T0, T0+t1}, where t1=max{ta, tb, tc, td}; if it has changed, it means that during this period of time, there is a second pedestrian or vehicle with a travel purpose entering the system.

[0044] S33. If during this process, there is no change in the C and D detectors, a "1" alarm will be broadcast.

[0045] S34. If during this process, the C-type detector does not change, but the D-type detector changes, it is necessary to determine whether the conflicting parties are a vehicle leaving the warehouse and a passing vehicle or person. If not, a "2"-type alarm is broadcast. If so, the order of entering the system is determined according to the following formula:

[0046] If the above formula is satisfied, it means that the outbound vehicle is later than the passing vehicles and pedestrians. At this time, it is further determined whether the passing vehicles have formed a queue. If there is no queue, a "3" type alarm is broadcast. If there is a queue, according to the formula:

[0047] in Indicates the time to wait in this case A "4" warning is broadcasted, and the vehicle leaving the warehouse is notified that it needs to wait for about tw1 seconds. While judging the passing vehicles, it also judges whether the passing pedestrians have formed a queue. If there is no queue, a "5" warning is broadcasted. If there is a queue, the waiting time is calculated according to the formula:

[0048] in Indicates the waiting time required in this case; A "6" warning is broadcasted, and the incoming vehicle is notified that it needs to wait for about tw2 seconds. If the above time inequality is not satisfied, it means that the outgoing vehicle moves earlier than the passing vehicles and pedestrians. If the outgoing direction is on the same side as the passing vehicles and pedestrians, the threshold relationship between pedestrians and vehicles is determined according to the following two formulas:

[0049] in Indicates the vertical distance between the Class B sensor and the leftmost parking space or the rightmost parking space; If the above formula is met, 7 types of warnings will be broadcast.

[0050]

[0051] in Indicates the vertical distance between the A-type sensor and the leftmost parking space or the rightmost parking space; If the above formula is met, a Class "8" warning will be broadcast.

[0052] If the exit direction is on a different side from the passing vehicles and pedestrians, the threshold relationship between vehicles and pedestrians is determined based on the following two formulas:

[0053] If the above formula is met, a "9" type warning will be broadcast.

[0054]

[0055] If the above formula is met, a "10" category warning will be broadcast.

[0056] S35. If during this process, the C-type detector is not 0, and the D-type detector is 0, then it is determined whether the conflicting parties are an incoming vehicle and a passing vehicle or person. If not, an "11" type alarm is broadcasted. If so, the order in which the incoming vehicle and the passing vehicle or pedestrian enter the system is determined according to the following formula:

[0057] If the above formula is satisfied, it means that the time when the incoming vehicle enters the system is later than the time when the passing vehicles and pedestrians enter the system. At this time, if the incoming vehicle is on the same side as the passing vehicles and pedestrians, it is determined whether the vehicles and pedestrians form a gathering queue. If the passing vehicles do not form a gathering queue, the "12" type alarm is broadcast. If the passing vehicles form a gathering queue, the following formula is used:

[0058] in Indicates the time to wait in this case A "13" warning is broadcast, and vehicles entering the warehouse are notified that they need to wait approximately tw3 seconds.

[0059] For pedestrians: If pedestrians do not form a gathering or queue, a "14" alarm will be broadcast; if pedestrians form a gathering or queue, the formula is used:

[0060] in Indicates the waiting time in this case.

[0061] A "15" warning is broadcast, and the vehicle entering the warehouse is informed that it needs to wait for about tw3 seconds. If the vehicle entering the warehouse is on the opposite side of the passing vehicles and pedestrians, a "16" warning is broadcast directly.

[0062] If the above time inequality is not satisfied, it means that the time when the incoming vehicle enters the system is earlier than the time when the passing vehicles and pedestrians enter the system. If the incoming vehicle and the passing vehicles and pedestrians are on the same side at this time, the following two formulas are used to determine the thresholds of pedestrians and vehicles respectively:

[0063] If the above formula is met, a Category "17" warning will be broadcast.

[0064]

[0065] If the above formula is met, a Category "18" warning will be broadcast.

[0066] If the vehicle entering the warehouse and the passing vehicles and pedestrians are on the opposite side, the "19th" type warning will be broadcast.

[0067] S36. If during this process, both the C and D detectors are changed, a Class "20" warning will be broadcast.

[0068] In a further embodiment, describing the warning signal for each situation includes the following steps: S41, Warning 1: "Pay attention to pedestrians and vehicles in front and behind, please slow down" S42, Warning 2: "There are currently multiple vehicles leaving the warehouse. Please keep a distance between vehicles when leaving the warehouse." Warning 3: "Cars are coming ahead, please pay attention to them when leaving the warehouse" Warning 4: "There are many vehicles ahead. Please wait patiently for exit. The waiting time is about tw1 seconds." Warning 5: "There are pedestrians ahead, please pay attention to them when leaving the warehouse" Warning 6: "There are many pedestrians ahead. Please wait patiently for exit. The waiting time is about tw2 seconds." Warning 7: "The vehicle ahead is about to leave the garage, please slow down" Warning 8: "The vehicle ahead is about to leave the garage, please pull over and pay attention to safety" Warning 9: "Be careful of oncoming vehicles when leaving the warehouse, please remain highly alert" Warning 10: "Be careful of pedestrians when leaving the warehouse, please remain highly alert" S43, Warning 11: "There are currently multiple vehicles entering the warehouse, please keep a safe distance" Warning 12: "Pay attention to the vehicle in front when entering the warehouse and keep a safe distance" Warning 13: "There are many vehicles ahead. Please wait patiently before entering the garage. It will take about tw3 seconds." Warning 14: "Pay attention to pedestrians in front of you when entering the warehouse and keep a safe distance" Warning 15: "There are many pedestrians ahead. Please wait patiently before entering the warehouse. It will take about tw4 seconds." Warning 16: "Be careful of oncoming vehicles and pedestrians when entering a warehouse" Warning 17: "Be careful that the vehicle ahead is entering the garage. Please slow down and keep a safe distance." Warning 18: "The vehicle ahead is entering the garage. Please pull over and keep a safe distance." Warning 19: "Oncoming vehicles are entering the garage, please give way" S44, Warning 20: "There are currently multiple vehicles entering and exiting the warehouse, please be sure to maintain the minimum safe distance."

[0069] As can be seen from the attached drawings, Figure 1The working steps of the parking facility safety warning system are demonstrated: obtaining static parameters; obtaining dynamic information; formulating safety warning strategies based on the integration of static and dynamic information; and explaining warning signals.

[0070] Figure 2-Figure 4 A flow chart showing the entire parking facility early warning.

[0071] in, Figure 2 This paper mainly describes the initialization and operation monitoring process of a parking facility safety warning system. First, the static design parameters of the parking facility are obtained, and then four types of sensors A, B, C, and D are arranged around the parking facility, and then the status and time of these sensors are observed. According to the sensor status and related conditions, after determining the initial operation time of the system, the changes of each type of sensor are divided into four situations for discussion: C and D detectors have no changes; C detector changes and D detector remains unchanged; D detector remains unchanged and C detector changes; C and D detectors both change.

[0072] Figure 3 and Figure 4 The two corresponding situations are described in detail, showing that in the parking facility monitoring, when the C and D detectors are in different changing states, a series of formulas are used to determine (determine whether the conflicting parties are a conflict between people and vehicles or a conflict between vehicles; determine whether the Class A detector has changed; determine whether the vehicles entering the parking lot and the passing pedestrians are in the same direction; determine whether the passing vehicles or pedestrians are queuing) to formulate corresponding warning signals to ensure that potential traffic conflicts can be accurately warned.

[0073] Figure 5 This is a schematic diagram of the plan structure of the parking facility.

[0074] In summary, the present invention realizes real-time monitoring and early warning of vehicle and pedestrian dynamics by integrating advanced sensor technology, data processing algorithms and real-time communication technology. The system can identify potential conflict points and blind spots, and send early warning signals to drivers and pedestrians in a timely manner, thereby effectively reducing the accident rate in parking areas and protecting people's lives and property.

[0075] In one embodiment, an electronic device is also provided, including a memory and a processor, wherein the memory is used to store a program that supports the processor to execute the parking system warning system design method, and the processor is configured to execute the program stored in the memory.

[0076] It is understandable that the system, device and storage medium provided in the embodiments of the present invention correspond to the method provided in the embodiments of the present invention, and the explanation, examples and beneficial effects of the relevant contents can refer to the corresponding parts in the above methods.

[0077] In the above embodiments, it can be implemented in whole or in part by software, hardware, firmware or any combination thereof. When implemented using software, it can be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, the process or function described in the embodiment of the present application is generated in whole or in part. The computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer instructions may be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium. For example, the computer instructions may be transmitted from a website site, a computer, a server or a data center by wired (e.g., coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) mode to another website site, computer, server or data center. The computer-readable storage medium may be any available medium that a computer can access or a data storage device such as a server or a data center that includes one or more available media integrated. The available medium may be a magnetic medium (e.g., a floppy disk, a hard disk, a tape), an optical medium (e.g., a DVD), or a semiconductor medium (e.g., a solid-state drive Solid State Disk (SSD)), etc.

[0078] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0079] Each embodiment in this specification is described in a related manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.

[0080] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A parking facility safety early warning method, characterized in that: The following steps are involved: S1. Obtain static design parameters of parking facilities; S2. By setting up detection equipment, obtain the parking status of vehicles in parking facilities and the dynamic information of vehicles and pedestrians on nearby roads; S3. Integrate static design parameters and dynamic traffic information, analyze the conflict between the parked status of parked vehicles and passing vehicles and pedestrians, and formulate safety warning strategies according to different situations; S4. Explain the warning signals for each situation.

2. A parking facility safety early warning method according to claim 1, characterized in that: Step S2 specifically includes the following steps: S21. Install a Class A pedestrian detection sensor and a warning horn at a vertical distance L1 from the rightmost and leftmost parking spaces; S22, installing a Class B passing vehicle detection sensor and a warning horn at a vertical distance L2 from the rightmost and leftmost parking spaces; S23, placing a Class C sensor and a warning horn at the front end of each parking space to detect the entry of vehicles into the parking system; S24, placing a Class D sensor and a warning horn at the rear end of each parking space to detect the exit of the parking system vehicle; S25. Specify the parameters displayed by the sensor. When the sensor starts to change, the sensor changes from state 0 to state 1. The sensor does not change from state 1 back to state 0 until the person or vehicle that affects the sensor leaves the parking facility. The state of each sensor is represented by q. The sensor records the time T when the state starts to change. When q is 0, T is always 0. S26. When the alarm system starts, if the sum of the states of the four types of sensors is greater than or equal to 1, the calculation formula is: In the formula, Indicates the status value of the left type A sensor, Indicates the status value of the right-side A-type sensor, Indicates the status value of the left type B sensor, Indicates the status value of the right type B sensor, Indicates the status value of the C type sensor, represents the state value of the D-type sensor, n represents the total number of parking spaces in the parking facility, and i represents a parking space in the parking facility; When the above formula is met, it proves that there are pedestrians or vehicles passing by or serving in the parking system; at this time, the calculation formula is: Record this time is the time when the system starts; The time recorded when the type A sensor is running. This is the time recorded when the type B sensor is running. This is the time recorded when the C-type sensor is running. This is the time recorded when the D-type sensor is running; if there are no pedestrians or vehicles passing by within the detection range of each sensor, the corresponding , , is 0.

3. A parking facility safety early warning method according to claim 2, characterized in that: Step S3 includes the following steps: S31. Specify the variables of each formula of the early warning system. ta represents the maximum possible time for pedestrians to enter and leave the system under normal circumstances; tb represents the maximum possible time for vehicles to enter and leave the system under normal circumstances; tc represents the maximum possible time for vehicles to enter the warehouse under normal circumstances; td represents the maximum possible time for vehicles to leave the warehouse under normal circumstances; lcar represents the length of the passing vehicle; a1 represents the length of the first parking space; b1 represents the width of the first parking space; and so on; Vtraffic is equal to the speed of the traffic when vehicles form a queue; Sk represents the maximum area occupied by k people queuing to pass; Vpedestrian represents the speed of pedestrians gathering in a queue; Vhum represents the speed of pedestrians without obvious queue effect; Venting represents the speed of vehicles entering the warehouse; V out of the parking lot indicates the speed of the vehicle when it leaves the parking lot; L safety indicates the safe distance between the vehicle and pedestrians; N indicates the total number of parking spaces in the parking system; S32. Check whether each state quantity changes within the time {T0, T0+t1}, where t1=max{ta, tb, tc, td}; if it changes, it means that during this period of time, there is a second pedestrian or vehicle entering the system for the purpose of travel; S33. If during this process, the C and D detectors do not change, then the warning 1 is broadcast; S34. If during this process, the C-type detector does not change, but the D-type detector changes, it is necessary to determine whether the conflicting parties are a vehicle leaving the warehouse and a passing vehicle or person. If not, a warning 2 is broadcasted; if so, the order of entering the system is determined according to the following formula: If the above formula is satisfied, it means that the outbound vehicle is later than the passing vehicles and pedestrians. At this time, it continues to determine whether the passing vehicles have gathered and queued. If no queue has occurred, warning 3 is broadcast; if a queue has occurred, the formula is used: Where m represents the number of vehicles in the queue. represents the width of the kth parking space, Indicates the waiting time in this case; Warning 4 is broadcasted, and the outgoing vehicle is notified that it needs to wait for about tw1 seconds; while judging the passing vehicles, it is also judged whether the passing pedestrians have formed a queue. If no queue has formed, warning 5 is broadcasted. If a queue has formed, the waiting time is calculated according to the formula: in Indicates the waiting time required in this case; Warning 6 is broadcasted, and the incoming vehicle is notified that it needs to wait for about tw2 seconds. If the above time inequality is not satisfied, it means that the outgoing vehicle moves earlier than the passing vehicles and pedestrians. If the outgoing direction is on the same side as the passing vehicles and pedestrians, the threshold relationship between pedestrians and vehicles is determined according to the following two formulas: in Indicates the vertical distance between the Class B sensor and the leftmost parking space or the rightmost parking space; If the above formula is satisfied, a warning 7 is broadcast; in Indicates the vertical distance between the A-type sensor and the leftmost parking space or the rightmost parking space; If the above formula is satisfied, a warning 8 is broadcast; If the exit direction is on a different side from the passing vehicles and pedestrians, the threshold relationship between vehicles and pedestrians is determined based on the following two formulas: in Indicates the width of the nth parking space; If the above formula is satisfied, warning 9 is broadcast; If the above formula is satisfied, a warning 10 is broadcast; S35. If during this process, the C-type detector is not 0, and the D-type detector is 0, then it is determined whether the conflicting parties are an incoming vehicle and a passing vehicle or person. If not, a warning 11 is broadcasted. If so, the order in which the incoming vehicle and the passing vehicle or pedestrian enter the system is determined according to the following formula: If the above formula is satisfied, it means that the time when the incoming vehicle enters the system is later than the time when the passing vehicles and pedestrians enter the system; at this time, if the incoming vehicle is on the same side as the passing vehicles and pedestrians, it is determined whether the vehicles and pedestrians form a gathering queue. If the passing vehicles do not form a gathering queue, a warning 12 is broadcasted. If the passing vehicles form a gathering queue, the following formula is used: in Indicates the waiting time required in this case; Warning 13 is broadcasted, and vehicles entering the warehouse are notified that they need to wait for about tw3 seconds; For pedestrians: If the pedestrians do not form a gathering or queue, the warning 14 will be broadcast; if the pedestrians form a gathering or queue, the formula is used: in Indicates the waiting time required in this case; Warning 15 is broadcasted, and the vehicle entering the warehouse is informed that it needs to wait for about tw4 seconds; if the vehicle entering the warehouse and the passing vehicles and pedestrians are on the opposite side, warning 16 is directly broadcasted; If the above time inequality is not satisfied, it means that the time when the incoming vehicle enters the system is earlier than the time when the passing vehicles and pedestrians enter the system. If the incoming vehicle and the passing vehicles and pedestrians are on the same side at this time, the following two formulas are used to determine the thresholds of pedestrians and vehicles respectively: If the above formula is satisfied, warning 17 is broadcast; If the above formula is satisfied, a warning 18 is broadcast; If the incoming vehicle and the passing vehicles and pedestrians are on the opposite side, a warning 19 will be broadcast; S36. If during this process, both the C and D detectors are changed, a warning 20 is broadcast.

4. A parking facility safety early warning method according to claim 3, characterized in that: Explaining the warning signals for each situation includes the following steps: Warning 1 means "Pay attention to pedestrians and vehicles in front and behind, please slow down"; Warning 2 means "There are currently multiple vehicles leaving the warehouse. Please keep a distance between vehicles when leaving the warehouse"; Warning 3 means "Cars are coming ahead, please pay attention to them when leaving the warehouse"; Warning 4 means "There are many vehicles ahead, please wait patiently for exit, the waiting time is about tw1 seconds"; Warning 5 means "There are pedestrians ahead, please pay attention to pedestrians when leaving the warehouse"; Warning 6 means "There are many pedestrians ahead. Please wait patiently for exit. The waiting time is about tw2 seconds"; Warning 7 means "The vehicle ahead is about to leave the garage, please slow down"; Warning 8 means "The vehicle ahead is about to leave the garage, please pull over and pay attention to safety"; Warning 9 means "Be careful of oncoming vehicles when leaving the warehouse, please remain highly alert"; Warning 10 means "Pay attention to pedestrians on the opposite side when leaving the warehouse, please remain highly alert"; Warning 11 means "There are currently multiple vehicles entering the warehouse, please keep a safe distance"; Warning 12 means "Pay attention to the vehicle ahead when entering the warehouse and keep a safe distance"; Warning 13 means "There are many vehicles ahead. Please wait patiently before entering the garage. It will take about tw3 seconds." Warning 14 means "Pay attention to pedestrians in front of you when entering the warehouse and keep a safe distance"; Warning 15 means "There are many pedestrians ahead. Please wait patiently before entering the warehouse. It will take about tw4 seconds." Warning 16 means "Watch out for oncoming vehicles and pedestrians when entering a warehouse"; Warning 17 means "Be careful, the vehicle ahead is entering the garage, please slow down and keep a safe distance"; Warning 18 means "Attention, the vehicle ahead is entering the garage. Please pull over and keep a safe distance." Warning 19 means "Oncoming vehicles are entering the garage, please give way"; Warning 20 means "There are currently multiple vehicles entering and exiting the warehouse, please be sure to maintain the minimum safe distance.

5. A computer-readable storage medium storing a computer program, characterized in that: When the computer program is executed by a processor, the processor is caused to perform the steps of the method according to any one of claims 1 to 4.

6. A computer device comprising a memory and a processor, wherein the memory stores a computer program, characterized in that: When the computer program is executed by the processor, the processor is caused to perform the steps of the method according to any one of claims 1 to 4.

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