A smart parking space guiding system for a parking lot

Abstract

The present invention relates to an intelligent parking space guiding system for a parking lot. The system includes: a recommended parking space generation module, which is configured to, after allowing a target vehicle to enter the parking lot, receive the end position information and vehicle information sent by the user terminal of the target vehicle, and generate a recommended parking space according to the end position information and the vehicle information; a target parking space confirmation module, which is configured to send a recommendation message to the user terminal of the target vehicle and determine the target recommended parking space according to the receipt information; a parking space monitoring and reminder module, which is configured to, after the target vehicle enters the parking lot, update the analysis and detection frequency of the target video according to the number of vehicles to be parked in the parking lot, and analyze and determine whether to send a parking space change reminder message to the target vehicle. In the present invention, the status of each parking space is monitored in real time, so that it can quickly detect whether there is another vehicle parked in the target recommended parking space, timely update the status of the target recommended parking space, help the target vehicle to recommend other available parking spaces in time, and effectively improve the parking efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of intelligent parking, and specifically to an intelligent parking space guiding system for a parking lot. Background Art

[0002] The Internet of Things technology is the cornerstone of the intelligent parking space guiding system for a parking lot. At present, by deploying a large number of video cameras, ultrasonic detectors, wireless communication devices, etc., the perception and transmission of information such as the environment in the parking lot and the occupancy of parking spaces are realized, providing accurate data support for parking space guiding. However, the existing intelligent parking space guiding system for a parking lot usually updates the number of available parking spaces as a whole according to the entry and exit of vehicles from the parking lot entrance and exit, which has a certain lag, and it is difficult to accurately and efficiently monitor the status of each parking space. Summary of the Invention

[0003] In view of the above problems, the present invention proposes an intelligent parking space guiding system for a parking lot.

[0004] To achieve the above object, the present invention provides the following technical solutions:

[0005] An intelligent parking space guiding system for a parking lot, the system comprising:

[0006] A vehicle entry control module, configured to obtain the number of available parking spaces in the parking lot when a target vehicle, which refers to a vehicle whose license plate number has been scanned, is at the parking lot entrance, and allow the target vehicle to enter the parking lot when the number of available parking spaces in the parking lot is greater than a preset number of parking spaces;

[0007] A recommended parking space generation module, configured to receive the end position information and vehicle information sent by the user terminal of the target vehicle after allowing the target vehicle to enter the parking lot, where the vehicle information includes the license plate number and vehicle size information, and generate a recommended parking space according to the end position information and vehicle information. Here, the end position information may refer to specific store location information or specific home address information;

[0008] A target parking space confirmation module, configured to send a recommendation message carrying the position information of the recommended parking space to the user terminal of the target vehicle, receive the receipt message sent by the user terminal, and determine the target recommended parking space according to the receipt message;

[0009] A parking space monitoring and reminder module, configured to update the analysis and detection frequency of the target video according to the number of vehicles to be parked in the parking lot after the target vehicle enters the parking lot, and analyze and determine whether to send a parking space change reminder message to the target vehicle.

[0010] As a further technical solution of the present invention, the recommended parking space generation module includes:

[0011] A vehicle information receiving unit, configured to receive the end position information and vehicle information sent by the user terminal of the target vehicle after allowing the target vehicle to enter the parking lot, where the vehicle information includes the license plate number and vehicle size information;

[0012] A passage information receiving unit, configured to obtain the pedestrian access passage information of the parking lot;

[0013] A latest passage determining unit, configured to determine the nearest pedestrian access passage information according to the end position information and the pedestrian access passage information, where the nearest pedestrian access passage information refers to the pedestrian access passage information closest to the end position information;

[0014] A distance information calculating unit, configured to obtain the position information of the parking spaces in the idle state in the parking lot, and calculate the distances between the position information of each idle parking space and the nearest pedestrian access passage respectively;

[0015] A parking space sorting unit, configured to sort the distances from small to large to obtain a parking space recommendation list;

[0016] A short-distance parking space determining unit, configured to determine short-distance parking spaces according to the preset number of recommended parking spaces and the parking space recommendation list;

[0017] A size comparison unit, configured to obtain the size information of the short-distance parking spaces, and determine whether the difference between the size information of the short-distance parking spaces and the vehicle size information meets the preset size difference range;

[0018] A recommended parking space determining unit, configured to determine this short-distance parking space as a recommended parking space when it meets the condition;

[0019] A non-recommended parking space determining unit, configured to determine that this short-distance parking space is not a recommended parking space when it does not meet the condition.

[0020] As a further technical solution of the present invention, the target parking space confirmation module includes:

[0021] A recommended information sending unit, configured to send recommended information to the user terminal of the target vehicle, where the recommended information carries the position information of the recommended parking space;

[0022] A receipt information receiving unit, configured to receive the receipt information sent by the user terminal;

[0023] A parking space status updating unit, configured to determine the target recommended parking space according to the receipt information, and update the parking space status of the target recommended parking space to the reserved state, where the parking space status includes the occupied state, the reserved state, and the idle state;

[0024] A driving route generating unit, configured to generate a recommended driving route according to the position information of the target recommended parking space and the position information of the target vehicle, and send it to the user terminal of the target vehicle.

[0025] As a further technical solution of the present invention, the parking space monitoring and reminding module includes:

[0026] A position information acquisition unit, which acquires the position information of the target recommended parking space when the target vehicle enters the parking lot;

[0027] A monitoring device determination unit, which determines the target monitoring device according to the position information of the target recommended parking space, and the target monitoring setting refers to the monitoring device for monitoring the target recommended parking space;

[0028] A to-be-parked vehicle acquisition unit, which acquires the number of to-be-parked vehicles in the parking lot except the target vehicle;

[0029] A monitoring frequency update unit, which updates the analysis and detection frequency of the target video according to the number of to-be-parked vehicles, and the target video refers to the video collected by the target monitoring device;

[0030] A video frame extraction unit, which extracts target video frames from the target video according to the updated analysis and detection frequency;

[0031] A parking space status monitoring unit, which uses a deep learning algorithm to analyze the extracted target video frames to determine whether there is a vehicle parked in the target recommended parking space, binds the recognized license plate number to this target recommended parking space, and updates the status of this target recommended parking space to the occupied state, so that the analysis and detection frequency of the parking space monitoring video with the occupied state is restored to the original frequency, and the original frequency ≤ the first preset frequency;

[0032] A parking space change reminder unit, when the license plate number of the vehicle in the target recommended parking space is different from the license plate number of the target vehicle, sends a parking space change reminder message to the user terminal of the target vehicle, and the parking space change reminder message carries the information of the recommended parking space with the idle state, and the recommended parking space information includes the position information of the recommended parking space;

[0033] When the license plate number of the vehicle in the target recommended parking space is the same as the license plate number of the target vehicle, there is no need to send a parking space change reminder message to the user terminal of the target vehicle.

[0034] As a further technical solution of the present invention, the to-be-parked vehicle refers to a vehicle that has entered the parking lot for no more than a preset time threshold and has not parked in a parking space.

[0035] As a further technical solution of the present invention, the monitoring frequency update unit includes:

[0036] A frequency first determination unit, which is used to determine that the updated analysis and detection frequency is the first preset frequency when the number of to-be-parked vehicles is within the first preset number range;

[0037] A second frequency determination unit, configured to determine that the updated analysis and detection frequency is a second preset frequency when the number of vehicles to be parked is within a second preset number range;

[0038] A third frequency determination unit, configured to determine that the updated analysis and detection frequency is a third preset frequency when the number of vehicles to be parked is within a third preset number range.

[0039] As a further technical solution of the present invention, the first preset frequency < the second preset frequency < the third preset frequency. The first preset number range is usually an integer between 0 and 3, including 0 and 3. The second preset number range is usually an integer between 4 and 10, including 4 and 10. The second preset number range is usually an integer greater than 10.

[0040] Compared with the prior art, the beneficial effects of the present invention are as follows: The present invention provides a smart parking space guidance system for a parking lot. In the present invention, the status of each parking space is monitored in real time. After the target vehicle enters the parking lot, a recommended parking space is generated according to the end position information and vehicle information sent by the user terminal of the target vehicle, which can effectively meet the customer's needs and improve the customer's satisfaction. On this basis, the number of vehicles to be parked in the parking lot is obtained, and the analysis and detection frequency of the target video is updated according to the number of vehicles to be parked in the parking lot. It is analyzed and determined whether to send a parking space change prompt message to the target vehicle, which can quickly find out whether there are other vehicles parked in the target recommended parking space, timely update the status of the target recommended parking space, and help the target vehicle recommend other idle parking spaces in time, effectively improving the parking efficiency. Description of the Drawings

[0041] Figure 1 It is a structural block diagram of a smart parking space guidance system for a parking lot. Detailed Embodiment

[0042] The technical solutions of this patent will be further described in detail below in conjunction with the specific embodiments.

[0043] As Figure 1 shown, an embodiment of the present invention provides a smart parking space guidance system for a parking lot. The system includes:

[0044] A vehicle entry control module 100, configured to obtain the number of available parking spaces in the parking lot when the target vehicle is at the entrance of the parking lot. The target vehicle refers to a vehicle whose license plate number has been scanned. When the number of available parking spaces in the parking lot is greater than the preset number of parking spaces, the target vehicle is allowed to enter the parking lot;

[0045] The recommended parking space generation module 200 is configured to receive the end position information and vehicle information sent by the user terminal of the target vehicle after allowing the target vehicle to enter the parking lot. The vehicle information includes the license plate number and vehicle size information. The recommended parking space is generated based on the end position information and vehicle information. Here, the end position information may refer to the specific store location information or the specific home address information;

[0046] The target parking space confirmation module 300 is configured to send a recommendation message to the user terminal of the target vehicle. The recommendation message carries the location information of the recommended parking space, receive the receipt information sent by the user terminal, determine the target recommended parking space according to the receipt information, and update the parking space status of the target recommended parking space to the reserved status. The parking space status includes the occupied status, the reserved status, and the idle status; generate a recommended driving route based on the location information of the target recommended parking space and the location information of the target vehicle, and send it to the user terminal of the target vehicle;

[0047] The parking space monitoring and reminder module 400 is configured to update the analysis and detection frequency of the target video according to the number of vehicles to be parked in the parking lot after the target vehicle enters the parking lot, and analyze and determine whether to send a parking space change reminder message to the target vehicle.

[0048] In this embodiment, when the number of parking spaces in the idle state of the parking lot is greater than the preset number of parking spaces, the target vehicle is allowed to enter the parking lot. After allowing the target vehicle to enter the parking lot, the end position information and vehicle information sent by the user terminal of the target vehicle are received, and the recommended parking space is generated according to the end position information and vehicle information, which is convenient for the user to reach the destination. In the present invention, after the user determines the target recommended parking space, the analysis and detection frequency of the target video is updated according to the number of vehicles to be parked in the parking lot, so as to improve the analysis frequency of the target video when the number of vehicles to be parked in the parking lot is large, and update the status of the target recommended parking space in a timely manner, and be able to determine in a timely manner whether to send a parking space change reminder message to the target vehicle.

[0049] As a preferred embodiment of the present invention, the recommended parking space generation module 200 includes:

[0050] The vehicle information receiving unit is configured to receive the end position information and vehicle information sent by the user terminal of the target vehicle after allowing the target vehicle to enter the parking lot. The vehicle information includes the license plate number and vehicle size information;

[0051] The passage information receiving unit is configured to obtain the pedestrian access passage information of the parking lot. The pedestrian access passage information includes the location information and its number information;

[0052] The latest passage determination unit is configured to determine the nearest pedestrian access passage information according to the end position information and the pedestrian access passage information, where the nearest pedestrian access passage information refers to the pedestrian access passage information closest to the end position information;

[0053] The distance information calculation unit is configured to obtain the position information of the vacant parking spaces in the parking lot and calculate the distances between the position information of each vacant parking space and the nearest pedestrian access passage respectively;

[0054] The parking space sorting unit is configured to sort the distances from small to large to obtain a parking space recommendation list;

[0055] The short-distance parking space determination unit is configured to determine short-distance parking spaces according to the preset number of recommended parking spaces and the parking space recommendation list;

[0056] The size comparison unit is configured to obtain the size information of the short-distance parking spaces and determine whether the difference between the size information of the short-distance parking spaces and the vehicle size information meets the preset size difference range;

[0057] The recommended parking space determination unit is configured to, when it meets the requirements, determine this short-distance parking space as a recommended parking space; when it does not meet the requirements, determine this short-distance parking space as not a recommended parking space.

[0058] In this embodiment, the end position information and vehicle information sent by the user can be received through multiple channels such as APP or WeChat official account, and the recommended parking spaces are generated by combining the pedestrian access passage information and the size information of the parking spaces in the parking lot, which can effectively meet the customer's needs and improve the customer's satisfaction.

[0059] As a preferred embodiment of the present invention, the target parking space confirmation module 300 includes:

[0060] The recommended information sending unit is configured to send recommended information to the user terminal of the target vehicle, and the recommended information carries the position information of the recommended parking space;

[0061] The receipt information receiving unit is configured to receive the receipt information sent by the user terminal;

[0062] The parking space status update unit is configured to determine the target recommended parking space according to the receipt information and update the parking space status of the target recommended parking space to the reserved status. The parking space status includes the occupied status, the reserved status, and the vacant status;

[0063] The driving route generation unit is configured to generate a recommended driving route according to the position information of the target recommended parking space and the position information of the target vehicle and send it to the user terminal of the target vehicle.

[0064] In this embodiment, the target recommended parking space selected by the user is confirmed according to the receipt information, and a recommended driving route is generated based on the location information of the target recommended parking space and the location information of the target vehicle, and sent to the user terminal of the target vehicle, which can help the user quickly find the target recommended parking space.

[0065] As a preferred embodiment of the present invention, the parking space monitoring and reminder module 400 includes:

[0066] A location information acquisition unit, which acquires the location information of the target recommended parking space when the target vehicle enters the parking lot;

[0067] A monitoring device determination unit, which determines the target monitoring device according to the location information of the target recommended parking space, and the target monitoring setting refers to the monitoring device that monitors the target recommended parking space;

[0068] A to-be-parked vehicle acquisition unit, which acquires the number of to-be-parked vehicles in the parking lot other than the target vehicle. The to-be-parked vehicle refers to a vehicle that has entered the parking lot for no more than a preset time threshold (the preset time threshold can be 30 minutes or 15 minutes, etc., and the specific value is limited according to the actual situation) and has not been parked in a parking space (that is, a vehicle not bound to a parking space);

[0069] A monitoring frequency update unit, which updates the analysis and detection frequency of the target video according to the number of to-be-parked vehicles. The target video refers to the video collected by the target monitoring device;

[0070] A video frame extraction unit, which extracts target video frames from the target video according to the updated analysis and detection frequency;

[0071] A parking space status monitoring unit, which uses a deep learning algorithm to analyze the extracted target video frames to determine whether there is a vehicle parked in the target recommended parking space, binds the recognized license plate number to this target recommended parking space, and updates the status of this target recommended parking space to the occupied state, so that the analysis and detection frequency of the parking space monitoring video with the occupied state is restored to the original frequency, and the original frequency ≤ the first preset frequency;

[0072] A parking space change reminder unit, when the license plate number of the vehicle in the target recommended parking space is different from the license plate number of the target vehicle, sends a parking space change reminder message to the user terminal of the target vehicle. The parking space change reminder message carries the information of the recommended parking space with the idle state, and the recommended parking space information includes the location information of the recommended parking space;

[0073] When the license plate number of the vehicle in the target recommended parking space is the same as the license plate number of the target vehicle, there is no need to send a parking space change reminder message to the user terminal of the target vehicle.

[0074] In this embodiment, each parking space in the parking lot is equipped with a corresponding monitoring device to monitor its status in real time for real-time updating of the parking space status. In the present invention, after the target vehicle enters the parking lot, the position information of the target recommended parking space is obtained, and the target monitoring device is determined according to the position information of the target recommended parking space. The target monitoring device refers to the monitoring device that monitors the target recommended parking space. The analysis and detection frequency of the target video is updated according to the number of vehicles to be parked. The target video refers to the video collected by the target monitoring device. The target video frame is extracted from the target video according to the updated analysis and detection frequency. By using the deep learning algorithm to analyze the extracted target video frame, it is determined whether there is a vehicle parked in the target recommended parking space, and the recognized license plate number is bound to this target recommended parking space. When the license plate number of the vehicle in the target recommended parking space is different from that of the target vehicle, a parking space change prompt message is sent to the user terminal of the target vehicle. Among them, the deep learning algorithm includes object detection models such as YOLO (You Only Look Once), SSD (SingleShot MultiBox Detector), or Faster R-CNN, etc., to identify vehicles in the video frame. License plate recognition usually uses OCR (Optical Character Recognition) technology or a dedicated deep learning model (such as a character recognition model based on CNN) to recognize the license plate number.

[0075] As a preferred embodiment of the present invention, the monitoring frequency update unit includes:

[0076] The first frequency determination unit is used to determine that the updated analysis and detection frequency is the first preset frequency when the number of vehicles to be parked is within the first preset number range;

[0077] The second frequency determination unit is used to determine that the updated analysis and detection frequency is the second preset frequency when the number of vehicles to be parked is within the second preset number range;

[0078] The third frequency determination unit is used to determine that the updated analysis and detection frequency is the third preset frequency when the number of vehicles to be parked is within the third preset number range.

[0079] Among them, the first preset frequency < the second preset frequency < the third preset frequency. The first preset number range is usually an integer between 0 and 3, including 0 and 3. The second preset number range is usually an integer between 4 and 10, including 4 and 10. The second preset number range is usually an integer greater than 10. In this embodiment, the number of vehicles to be parked has a positive correlation with the analysis and detection frequency.

[0080] All functions that the above-mentioned intelligent parking space guiding system can achieve are completed by computer devices. The computer devices include one or more processors and one or more memories. At least one program code is stored in the one or more memories, and the program code is loaded and executed by the one or more processors to achieve the functions of the intelligent parking space guiding system in the parking lot.

[0081] The processor fetches instructions one by one from the memory, analyzes the instructions, and then completes corresponding operations according to the requirements of the instructions, generating a series of control commands to make each part of the computer act automatically, continuously and coordinately, becoming an organic whole, realizing the input of the program, the input of data, as well as the operation and output of results. All arithmetic operations or logical operations generated during this process are completed by the arithmetic unit; the memory includes a read-only memory (ROM), and the read-only memory is used to store computer programs. A protection device is provided outside the memory.

[0082] Exemplarily, the computer program can be divided into one or more modules. One or more modules are stored in the memory and executed by the processor to complete the present invention. One or more modules can be a series of computer program instruction segments capable of completing specific functions, and the instruction segments are used to describe the execution process of the computer program in the terminal device.

[0083] Those skilled in the art can understand that the description of the above service device is only an example and does not constitute a limitation on the terminal device. It may include more or fewer components than the above description, or combine some components, or different components. For example, it may include input / output devices, network access devices, buses, etc.

[0084] The so-called processor may be a central processing unit (CPU), or may also be other general-purpose processors, digital signal processors (DSPs), application specific integrated circuits (ASICs), field-programmable gate arrays (FPGAs), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. The general-purpose processor may be a microprocessor or the processor may also be any conventional processor, etc. The above processor is the control center of the above terminal device, and connects various parts of the entire user terminal through various interfaces and lines.

[0085] The above-mentioned memory can be used to store computer programs and / or modules. By running or executing the computer programs and / or modules stored in the memory and calling the data stored in the memory, the above-mentioned processor realizes various functions of the terminal device. The memory mainly includes a program storage area and a data storage area. Among them, the program storage area can store an operating system, application programs required for at least one function (such as an information collection template display function, a product information release function, etc.); the data storage area can store data created according to the use of the berth status display system (such as product information collection templates corresponding to different product categories, product information to be released by different product providers, etc.). In addition, the memory can include high-speed random access memory and can also include non-volatile memory, such as a hard disk, memory, plug-in hard disk, smart media card (SMC), secure digital (SD) card, flash card, at least one magnetic disk storage device, flash memory device, or other volatile solid-state storage devices.

[0086] If the modules / units integrated in the terminal device are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on such an understanding, to implement all or part of the modules / units in the above-mentioned embodiment system of the present invention, it can also be completed by instructing relevant hardware through a computer program. The above-mentioned computer program can be stored in a computer-readable storage medium. When the computer program is executed by a processor, it can realize the functions of the above-mentioned various system embodiments. Among them, the computer program includes computer program code, and the computer program code can be in the form of source code, object code, executable file, or some intermediate form, etc. The computer-readable medium can include: any entity or device capable of carrying the computer program code, recording medium, USB flash drive, mobile hard disk, magnetic disk, optical disc, computer memory, read-only memory (ROM), random access memory (RAM), electrical carrier signal, telecommunication signal, and software distribution medium, etc.

[0087] It should be noted that in this article, the term "include", "comprise" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the element.

[0088] The above are only the preferred embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, shall be similarly included in the patent protection scope of the present invention.

Claims

1. A parking lot intelligent parking guidance system, characterized in that: The system comprises: The vehicle entry control module is used to obtain the number of free parking spaces in the parking lot when the target vehicle is at the entrance of the parking lot, and allow the target vehicle to enter the parking lot when the number of free parking spaces in the parking lot is greater than the preset number of parking spaces; A recommended parking space generation module is used to generate a recommended parking space based on the terminal position information and vehicle information received from the target vehicle user terminal after the target vehicle is allowed to enter the parking lot; A target parking space confirmation module is used to send recommendation information to a user terminal of a target vehicle, receive receipt information sent by the user terminal, and determine a target recommended parking space according to the receipt information; The parking space monitoring and reminder module is used to update the analysis and detection frequency of the target video according to the number of vehicles to be parked in the parking lot when the target vehicle enters the parking lot, and analyze and determine whether to send a parking space change reminder message to the target vehicle; The parking space monitoring and reminding module includes: A location information acquisition unit, which acquires the location information of the target recommended parking space when the target vehicle enters the parking lot; A monitoring device determining unit, which determines a target monitoring device according to the location information of the target recommended parking space, wherein the target monitoring setting refers to a monitoring device that monitors the target recommended parking space; A waiting-to-park vehicle acquisition unit is used to acquire the number of waiting-to-park vehicles in the parking lot except the target vehicle; A monitoring frequency updating unit, which updates the analysis and detection frequency of the target video according to the number of the vehicles to be parked, wherein the target video refers to the video collected by the target monitoring device; A video frame extraction unit, extracting a target video frame from the target video according to the updated analysis detection frequency; The parking space status monitoring unit uses a deep learning algorithm to analyze the extracted target video frame to determine whether there is a vehicle parked in the target recommended parking space, binds the identified license plate number to the target recommended parking space, and updates the status of the target recommended parking space to an occupied state; The parking space change reminder unit sends a parking space change reminder message to a user terminal of the target vehicle when the license plate number of the vehicle in the target recommended parking space is different from the license plate number of the target vehicle, wherein the parking space change reminder message carries information of a recommended parking space in an idle state; when the license plate number of the vehicle in the target recommended parking space is the same as the license plate number of the target vehicle, there is no need to send a parking space change reminder message to the user terminal of the target vehicle.

2. The parking lot intelligent parking guidance system according to claim 1 is characterized in that: The recommended parking space generation module includes: A vehicle information receiving unit, used to receive the destination location information and vehicle information sent by the target vehicle user terminal after the target vehicle is allowed to enter the parking lot, wherein the vehicle information includes the license plate number and vehicle size information; A channel information receiving unit, used to obtain the pedestrian access channel information of the parking lot; A latest channel determination unit, used to determine the nearest pedestrian access channel information according to the terminal position information and the pedestrian access channel information, wherein the nearest pedestrian access channel information refers to the pedestrian access channel information closest to the terminal position information; A distance information calculation unit, used to obtain the position information of idle parking spaces in the parking lot, and respectively calculate the distance between the position information of each idle parking space and the nearest pedestrian access channel; A parking space sorting unit is used to sort the distances from small to large to obtain a parking space recommendation table; A close-distance parking space determination unit, configured to determine a close-distance parking space according to a preset number of recommended parking spaces and the parking space recommendation table; A size comparison unit, used to obtain size information of a close-range parking space and determine whether the difference between the size information of the close-range parking space and the size information of the vehicle meets a preset size difference range; The recommended parking space determination unit is used to determine that the close-distance parking space is a recommended parking space when the conditions are met; and to determine that the close-distance parking space is not a recommended parking space when the conditions are not met.

3. The parking lot intelligent parking guidance system according to claim 1 is characterized in that: The target parking space confirmation module includes: A recommendation information sending unit, used to send the recommendation information to the user terminal of the target vehicle; A receipt information receiving unit, used to receive receipt information sent by a user terminal; a parking space status updating unit, configured to determine a target recommended parking space according to the receipt information, and update the parking space status of the target recommended parking space to a reserved state, wherein the parking space status includes an occupied state, a reserved state, and an idle state; The driving route generating unit is used to generate a recommended driving route according to the location information of the target recommended parking space and the location information of the target vehicle, and send the recommended driving route to the user terminal of the target vehicle.

4. The parking lot intelligent parking guidance system according to claim 1, characterized in that: The vehicle to be parked refers to a vehicle that has not entered the parking lot for more than a preset time threshold and has not parked in a parking space.

5. The parking lot intelligent parking guidance system according to claim 1 is characterized in that: The monitoring frequency updating unit comprises: A first frequency determination unit, configured to determine that the updated analysis and detection frequency is a first preset frequency when the number of the vehicles to be parked is within a first preset number interval; A second frequency determination unit, configured to determine that the updated analysis and detection frequency is a second preset frequency when the number of the vehicles to be parked is within a second preset number interval; The third frequency determination unit is used to determine that the updated analysis and detection frequency is a third preset frequency when the number of the to-be-parked vehicles is within a third preset number interval.

6. The parking lot intelligent parking guidance system according to claim 5 is characterized in that: The first preset frequency is less than the second preset frequency and less than the third preset frequency.

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