CN109707205B

CN109707205B - Parking space lock control system with projection function and parking space management method

Info

Publication number: CN109707205B
Application number: CN201910108464.7A
Authority: CN
Inventors: 汪深; 方昌源; 蔡骏; 余雪昆
Original assignee: Bosheng Wisdom Parking Management Co ltd; Hunan Scientop Automatic Equipment Co Ltd
Current assignee: Bosheng Wisdom Parking Management Co ltd; Hunan Scientop Automatic Equipment Co Ltd
Priority date: 2019-02-03
Filing date: 2019-02-03
Publication date: 2024-04-05
Anticipated expiration: 2039-02-03
Also published as: CN109707205A

Abstract

The invention discloses a parking space lock control system with a projection function and a parking space management method.A control box is arranged at the front end of a parking space lock, and a projector playing subsystem, a video detection subsystem and a parking space lock controller are integrated in the control box; the parking space lock controller comprises a microcontroller, a power management unit, a wireless communication unit, a sound unit, a parking space lock driving unit, a Bluetooth positioning and navigation unit and a parking space signal indicating unit; the projection playing subsystem and the video detection subsystem are connected with the parking spot lock controller; the microcontroller is connected with the power management unit, the wireless communication unit, the sound unit, the parking space lock driving unit, the Bluetooth positioning and navigation unit and the parking space signal indicating unit. The invention improves the utilization rate of parking spaces, turns up the assets of limited parking spaces, establishes innovative advertising media and improves the return on investment of intelligent parking business.

Description

Parking space lock control system with projection function and parking space management method

Technical Field

The invention relates to a parking space lock, in particular to a parking space lock control system with a projection function and a parking space management method.

Background

The traditional parking spot locks are all installed on the ground, and a power supply and a control circuit of the parking spot locks need to be grooved and wired on the ground, so that the construction noise is large, the dust is much, the cost is high, and the maintenance is difficult; the energy storage type parking spot lock is troublesome to charge and maintain and has high cost; the parking spot lock is installed on the ground, because the position is low, the circuit fault is caused by the water logging accident easily, the visibility is low, and the parking spot lock is easily collided by an automobile by mistake, so that the automobile and the parking spot lock are damaged.

The intelligent parking spot lock has rigid requirements in management and user experience, but the price is far higher than that of a common parking spot lock, the traditional parking spot lock has single function, and is difficult to expand and promote a value-added space, and the investment recovery period is too long, so that the popularization and popularization face the difficulty of buying a bill, and the implementation is difficult to be carried out on the ground, and the advertising type intelligent parking spot lock capable of rapidly recovering the cost becomes a necessary choice.

The parking space lock of the lamp box billboard is adopted, the advertising content is fixed, and the advertising lamp sheets need to be replaced manually, thereby being time-consuming and labor-consuming; the liquid crystal display screen has high cost and is difficult to repair due to collision damage.

The method for realizing the synchronous playing of the multimedia advertising machine on the market at present is usually realized by hardware, namely, the method for realizing the synchronous playing of the multimedia advertising machine is realized by dividing the output signals of the playing box of the advertising machine on a plurality of display screens by hardware, namely, a plurality of displays simultaneously display the signals output by one playing box, thereby achieving the effect of synchronization, bringing great inconvenience to the implementation and being difficult to realize in a parking lot in such an environment because the number of the screens which can not be flexibly changed and simultaneously play the projection in the whole system is connected by signal wires.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a parking space lock control system with a projection function and a parking space management method, which realize flexible control of a parking space lock by effectively monitoring the parking space, effectively manage the parking space and share the parking space, improve the utilization rate of the parking space and inventory assets with limited living; through nimble advertisement of putting in, improved the value and the income of parking stall lock, effectually solved current intelligent parking stall lock because of with high costs in the difficult cost of retrieving in the short time and can not fall to the ground the problem of implementing.

In order to solve the technical problems, the invention adopts the following technical scheme: a parking space management control system with a projection function comprises a parking management cloud platform, a local management server, a mobile terminal, a parking space management control integrated device and a height-limiting advertisement parking space lock;

the height-limiting advertisement parking spot lock is arranged above a parking spot entrance;

the parking space management control integrated device is arranged above a lane which is 1-5 meters away from the managed height-limiting parking space lock;

the parking space management control integrated device comprises a projection playing subsystem, a video detection subsystem and a parking space lock controller.

The parking space lock controller comprises a microcontroller, a power management unit, a wireless communication unit, a sound unit, a parking space lock driving unit, a Bluetooth positioning and navigation unit, a parking space signal indicating unit and the like;

the projection playing subsystem and the video detection subsystem are connected with the parking space lock controller and controlled by the parking space controller;

the microcontroller of the parking spot lock controller is connected with the power management unit, the wireless communication unit, the sound unit, the parking spot lock driving unit, the Bluetooth positioning and navigation unit and the parking spot signal indicating unit;

the Bluetooth positioning and navigation unit is communicated with the mobile terminal; and the mobile terminal is communicated with the yard management information cloud platform.

The projection playing subsystem is internally provided with one or two projectors, and projects a static advertisement picture or a dynamic video onto a screen of the advertisement board, so that the added value of the parking space lock is improved; the projector playing subsystem comprises a communication unit which performs bidirectional data communication with the parking lot management information cloud platform in a wireless or wired communication mode; the projector can project advertisements stored locally onto the screen of the billboard of the parking space lock, and can project advertisement information pushed by the parking space management information cloud platform onto the screen of the billboard.

Each projector of the projector playing subsystem can independently play the multimedia advertisement content put in the local or parking lot management information cloud platform, and can synchronously play the same multimedia advertisement with the projectors in other parking space lock integrated control systems and put the same multimedia advertisement on the advertising board of the parking space lock.

One or more cameras for monitoring are arranged in the video monitoring subsystem, photos and vehicle information shot by the video cameras are uploaded to the cloud platform at regular intervals, and parking space monitoring is achieved while the vehicle information is identified.

The video monitoring subsystem functions include three aspects:

1. the vehicle information identification, the camera acquires the parking picture information of the parking space, the license plate information is identified through the image identification technology and uploaded to the parking management cloud platform, the comparison of the parking space state and the reservation order information can be realized, and the problems of parking fault or illegal occupation are avoided;

2. advertisement monitoring, according to the needs of advertisers, irregularly obtaining evidence of the content played by the projector, and ensuring the throwing effect;

3. the parking space environment is monitored, and the parking space operation picture is stored on the management server, so that the purpose of parking space monitoring is achieved, and video data is provided for on-site faults, accidents, disputes and other problems as important evidence for subsequent processing.

The parking space lock control system is a control system based on the Internet or a local area network, can receive control instructions of the cloud platform and control the parking space lock to unlock or lock according to received instruction signals, and can also send various state information of the parking space lock to the cloud platform in real time, so that the sharing, open and intelligent management and monitoring of the parking space lock are realized; the control system comprises a Bluetooth positioning technology and can realize parking space sharing, reservation, navigation and parking and one-key vehicle finding by combining mobile phone APP or WeChat public signals; the system is also an induction type parking space management control system which automatically completes unlocking and locking after calculating the relative positions of the mobile terminal and the parking space lock;

the parking spot lock subsystem comprises a microcontroller, a power management unit, a mechanical position sensor, a sound unit and a parking spot lock driving unit, and the control system of the parking spot lock further comprises a wireless communication unit, a positioning and navigation unit, a vehicle anti-collision detection unit and a light signal indication unit.

The Bluetooth positioning and navigation unit is embedded with a low-power-consumption Bluetooth module, the low-power-consumption Bluetooth module is connected with the microcontroller in a serial port communication mode and completes data communication, and the low-power-consumption Bluetooth module is connected with an I/O port of the microcontroller through an I/O port to complete mutual control of signals; the low-power consumption Bluetooth module broadcasts and transmits own ID, the mobile terminal receives wireless broadcast ID signals sent by the Bluetooth positioning and navigation unit and Bluetooth wireless base stations deployed near the parking space, and then the position of the mobile terminal of the user and the target position of the parking space are determined through a triangular positioning algorithm, so that positioning and navigation are realized.

The parking space signal indicating unit is used for indicating whether vehicles exist in the parking space or not, and whether the parking space is a reserved parking space or not, and guiding a user to park the vehicles into the reserved parking space.

The parking space signal indicating unit consists of three groups of red, green and blue LED lamps, and the working method of the parking space signal indicating unit is as follows:

1, a video monitoring subsystem detects whether a vehicle exists in a parking space, and the detected state information is uploaded to a cloud platform through a communication unit in the system.

And 2, the parking space lock controller reads whether the vehicle exists in the parking space or not and whether the parking space is reserved or not from the cloud platform through the wireless communication unit.

3, if a car exists, a microcontroller in the parking spot lock controller controls a red LED lamp to be turned on, and the car is indicated; if no vehicle exists but the parking space is reserved, the microcontroller controls the blue LED lamp to light up, and indicates that the parking space is reserved; if no vehicle exists and the parking space is not reserved, the microcontroller controls the green LED lamp to light up, and the parking space is indicated to be idle.

The height-limiting advertisement parking spot lock consists of a mounting seat, a billboard, a hoisting mechanism and a sliding rail;

the mounting seat is fixed on the beam above the parking space entrance, the mounting seat is provided with a hoisting mechanism, the hoisting mechanism is connected with the advertising board and can drive the advertising board to move up and down in the vertical direction, when the advertising board moves to an upper limit, a vehicle can pass through, and when the advertising board moves to a lower limit, the vehicle is limited to pass through;

The advertisement board is characterized in that the frame of the advertisement board is made of square aluminum alloy materials, four corners of the advertisement board are rounded corners, the advertisement board can be displayed on two sides, a curtain is arranged on the front panel, a projection picture of the integrated box for receiving management and control of a front parking place is received, the rear panel is a static advertisement lamp box, advertisement contents can be watched on a vehicle when a vehicle owner parks and enters the garage, and a shading card paper (namely a shading layer) is arranged between the front panel and the rear panel of the advertisement board.

The hoisting mechanism comprises a hoisting machine and a speed reducing motor for driving the hoisting machine; the winch is connected with the winch belt; the winding belt is connected with the advertising board.

The mounting seat is connected with a vertically arranged sliding rail, and the advertising board moves up and down along the sliding rail.

An upper limit switch and a lower limit switch are respectively arranged at the upper end of the mounting seat and the lower end of the limit switch.

And an anti-collision sensor is arranged at the bottom end of the advertising board.

The billboard comprises a front panel and a rear panel; the front panel is a curtain and is used for receiving a projection picture of a projector in front of the front panel; the rear panel is a lamp box; a shading layer is arranged between the front panel and the rear panel.

The winch belt is further provided with a winch belt tightness detection sensor, the tightness detection sensor is connected with the parking spot lock controller, the sensor can detect whether the winch belt is in a loosening or tightening normal working state, and a microcontroller in the parking spot lock subsystem controls the gear motor by reading the state of the tightness detection sensor, so that the winch is effectively prevented from reversing.

The anti-collision sensor, the status light, the upper limit switch and the lower limit switch of the limit switch are all connected with a microcontroller in the parking spot lock controller;

the method for synchronously playing the same multimedia advertisement provided by the invention comprises the following steps:

1, a parking lot management information cloud platform establishes a time synchronization server for all projector playing subsystems in a parking lot to provide time synchronization service.

And 2, updating all the multimedia advertisement files in the projector subsystem needing synchronous playing to the same file content.

And 3, the parking lot management information cloud platform establishes a synchronous play list file, wherein the synchronous play list file comprises all file name lists required to be played, the playing time of each file is started, the playing time of each file is ended, and each percentage of playing time is used.

And 4, the projector playing subsystem acquires the synchronous playlist file from the parking lot management information cloud platform through a communication unit in the system.

And 5, synchronizing all the projector playing subsystems to the same unified time by taking the time synchronization server as a reference.

And 6, when the time listed in the synchronous play list file is reached, synchronously playing the same multimedia advertisement file by each projector play subsystem, and projecting the multimedia advertisement file onto the parking space lock advertising board.

And 7, comparing the playing time of each projector playing subsystem with the playing time of each percentage in the synchronous play list file in real time while playing the multimedia advertisement file, and if the out-of-step phenomenon such as too fast or too slow occurs, automatically jumping to the position specified in the synchronous play list file to realize synchronous correction.

The invention also provides a refined parking space management method based on the hardware, wherein the parking space management method comprises a parking space reservation and entering parking method, a vehicle searching and driving leaving method, and a parking lot map drawing and positioning navigation method;

the parking space reservation and entrance parking realization method comprises the following steps:

1. the parking space lock integrated control device uploads parking space state information to the parking management cloud platform through the monitoring units such as the video monitoring subsystem and the like, provides the parking space state information for the parking management cloud platform and is used as equipment support for fine management of parking spaces;

2. the parking space lock subsystem provides a beacon function for navigation in a parking lot through a self-contained positioning and navigation unit under a non-connection state with the mobile terminal;

3. the parking space lock subsystem keeps the communication connection between the parking space lock integrated control device and the platform through the communication unit and receives a control command issued by the parking management cloud platform;

4. And providing advertisement playing video information, storing parking space state information shot by the camera and environment information in the running process by the parking management server.

5. The user applies for registration to become the user by using the APP of the mobile terminal, and the user is required to bind the mobile phone number as the unique marking information of the user on the parking management cloud platform when entering for the first time; meanwhile, binding the driven vehicles to serve as a platform for providing service objects, and setting a default license plate number according to the service condition when the number of the bound vehicles is larger than one to serve as a system preferred service object;

6. the user uses the mobile terminal to open Bluetooth and mobile communication functions, the mobile terminal is connected to the parking management cloud platform, and the parking space states of the target area and the surrounding parking areas are acquired through the APP so as to select the needed parking areas and parking spaces, and reservation operation is carried out; by clicking or inputting a parking destination on a map, inquiring a destination and a nearby parking lot list, and obtaining the information of the number of the remaining parking spaces;

7. the user selects a parking lot icon of a required parking, and acquires parking lot data information, including a map in the parking lot, the number of parking spaces, reserved parking spaces and a charging rule of the parking lot;

8. The user who binds license plate information and sets default license plates in the APP can directly use a quick reservation mode, the parking management cloud platform sets nearby parking spaces from near to far to be the positions with different priorities as the positions with higher priority recommended to the user by taking the positions of an elevator entrance, an exit and the like as the center according to the use habit of the user, at the moment, the APP can switch to a map interface of a parking lot to display the information of the alternative parking spaces, and the user manually selects the parking spaces needing to park the vehicle according to personal habits to reserve the parking spaces; for a user without default vehicle, the license plate of the vehicle to be serviced is manually selected;

9. the parking management cloud platform maintains reservation parking space reservation rules and parking charging rules of each parking lot through a background, calculates prepaid fee, a user displays the required payment fee through an APP payment confirmation page of the mobile terminal, prepaid fee is provided through a charging interface provided by the platform, after the user pays successfully, the parking management cloud platform issues payment confirmation information and transfers corresponding parking spaces from a platform reservation list to the reserved list, parking space reservation is completed, the parking management cloud platform issues a command, and a parking space lock closing and occupying place is controlled through a parking space lock integrated control device;

10. After the reservation of the user is successful, the navigation function can be started through the mobile terminal APP, and the navigation service to the parking lot entrance is provided for the user by calling the external map interface or the user directly goes to the target parking lot;

11. when a user arrives at an entrance of a target parking lot, the entrance barrier acquires vehicle license plate information through a video recognition technology, the vehicle information is uploaded to a parking management cloud platform and is matched with reservation order information, after the vehicle license plate is confirmed to be an effective order license plate, the platform issues a command to open the barrier to release, entry state information is issued to a mobile end of the user, meanwhile, the parking management cloud platform modifies a flow state into entry, and charging time calculation in the parking lot formally begins;

12. after receiving the platform state change information, the mobile terminal switches the interface to an in-field map mode, the mobile terminal receives a beacon signal of Bluetooth broadcast sent by a positioning navigation unit arranged in each parking space lock subsystem, uploads the acquired beacon data in a sensing range to a parking management cloud platform, after finishing position calculation by a map position algorithm, the platform issues the position information to a user APP and displays the position information on a map of a navigation function interface, simultaneously plans the shortest route between the current position and a target parking space, displays the route on the APP in-field navigation map, synchronizes the vehicle information to an induction screen on a route to display license plate information and guide the traveling direction of the vehicle, and a parking space signal indicating unit in each parking space lock subsystem indicates the state of the parking space along the way: red represents a parked parking space, green represents a reserved parking space, and blue represents a reserved parking space;

13. The user drives to the target parking place according to the map navigation planning route on the mobile terminal APP, through navigation prompt, voice prompt, lamplight prompt of the parking place state unit and prompt information of the lane guidance screen, the mobile terminal continuously receives data of beacon broadcasting which is arranged in advance in the parking place, compares the distance between the mobile terminal and the target parking place, and corrects the error driving direction;

14. the parking management cloud platform judges that a user arrives near a target parking space through map calculation or beacon intensity threshold value in the field and then enters a parking process, and the implementation process is as follows:

1. the parking management cloud platform issues a control instruction to a parking space lock integrated control device of a target parking space through the Internet;

2. after receiving a platform control instruction through the communication unit, a parking space subsystem in the parking space lock integrated control device controls the parking space driving unit to unlock through the microcontroller;

3. the parking space lock signal indicating unit displays blue light before the vehicle arrives to indicate that the parking space is reserved; in the unlocking procedure, the lights with three colors of red, blue and green flash sequentially to prompt the user to stop in the parking space; after the user parks, the parking space state indicator light is displayed in red to indicate that the parking space is occupied;

4. The sound unit guides the user to park the vehicle correctly in a voice prompt mode and prompts the user related notes (such as closing doors and windows, carrying valuables and the like);

5. the video monitoring subsystem in the parking space lock integrated control device starts a camera after receiving a control command, uploads video information in the parking process of a user to the platform for storage, identifies vehicle license plate information, confirms whether order information is matched or not, and confirms the parking state to the platform if the order information is matched with the order information; ,

7. after the parking is finished, the parking space lock integrated control device uploads parking space state change information and parking pictures acquired by the video monitoring equipment to the platform, and confirms the parking space state;

the vehicle searching and departure realizing process comprises the following steps:

1) When the user reservation order is in a parking state and enters a parking area, the user can enter a vehicle searching page through the mobile terminal APP, and a vehicle searching function is started;

2) The mobile terminal receives broadcast information of each Bluetooth beacon in the parking space lock subsystem, reports relevant information to the parking management cloud platform, calculates the current position of a user through the Bluetooth beacon content, plans an optimal route from the current position to a parking space, guides the user to reach the parking position, continuously acquires data provided by the Bluetooth beacons which are arranged in advance in the parking space, compares the distance between the mobile device and a target parking space, and rectifies the error direction;

3) After the parking space is reached, the user selects to pay for leaving a parking space, after paying corresponding parking fees, the mobile terminal sends payment confirmation information to the parking management cloud platform, the parking management cloud platform modifies the order state into to-be-leaving, meanwhile, the parking space lock integrated control device uploads the parking space state information to the parking management cloud platform through connected monitoring units such as a sensor and a camera, and the parking management cloud platform brings the parking space information into a reserved list again after confirming that the vehicle leaves; and meanwhile, starting the departure countdown, if the user leaves the parking lot within the regular time limit of the parking lot, automatically releasing the exit barrier gate, otherwise, paying additional cost.

The map drawing and positioning of the parking lot comprises the following steps:

1) Comparing the drawing tool with a garage drawing to draw an indoor vector map in equal proportion and produce 2d, 2.5d and 3d effects;

2) The map engine issues a garage map and provides map moving, zooming, rendering and space inquiring functions for the parking management cloud platform;

3) Corresponding Bluetooth beacons are placed on the entrance and the exit of the parking lot and the internal road, and the area where the parking space management controller is located uses Bluetooth equipment of the parking space management controller as a beacon data source;

4) After the installation of the Bluetooth module equipment information used as the beacon in the parking space lock subsystem is completed, the corresponding relation between the Bluetooth module equipment information and the parking space is determined, the Bluetooth module equipment information is marked at the corresponding position of the map, the Bluetooth module equipment information and the parking space information are recorded and stored in the parking space management cloud platform together with the parking space information of the parking space, and the Bluetooth beacon arranged at the entrance and the exit of the parking space and on the internal road is marked at the corresponding position of the map after the position is determined, and the Bluetooth module equipment information is recorded and stored in the parking space management cloud platform;

5) The method comprises the steps of packaging and protecting topological relation and guiding data of geometric data by using a positioning/navigation engine, and providing functions of route analysis, topology analysis and guiding information for a parking management cloud platform;

6) Storing the drawn and released garage map data in a parking management cloud platform for access by a mobile terminal;

the positioning navigation and automatic control parking spot lock comprises the following steps:

1) The Bluetooth module is arranged in the parking space lock subsystem and transmits ID information of the Bluetooth module to the space in a broadcasting mode;

2) The user holds the mobile terminal to enter a parking lot, and under the condition of starting Bluetooth, the Bluetooth function of the mobile terminal acquires beacon information in the parking lot;

3) The mobile terminal sends the acquired beacon information and the intensity of the signal to a parking management cloud platform, the parking management cloud platform determines the position of the mobile terminal of the user through a positioning algorithm, and acquires the position of a target parking space through map marking information so as to provide positioning and navigation services for the mobile terminal;

4) When the parking management cloud platform calculates through the beacon information acquired by the mobile terminal and determines that the current position reaches a parking space range threshold, the parking management cloud platform issues a parking space lock unlocking instruction to a parking space lock subsystem, the parking space lock subsystem finishes unlocking through controlling a parking space lock driving sheet, prompts through controlling light, sound and video playing, and monitors the parking space state through the video monitoring subsystem;

compared with the prior art, the invention has the following beneficial effects: the invention provides a projection type advertisement parking space lock capable of putting multimedia advertisements with low cost, and an intelligent control system realizes functions of parking space reservation, parking space sharing, indoor navigation, reverse vehicle finding, distance induction type automatic switch lock, fine management and timing charging of each parking space in a parking lot; the projector playing subsystem, the video detection subsystem and the parking space lock subsystem are integrated together and are separately installed with the parking space lock structure part, so that maintenance is facilitated; the video detection subsystem acquires original image information by shooting a picture in a parking space through a camera, acquires whether the parking space is in a parking state or not and the number of a parked vehicle license plate through image processing in the subsystem, and uploads data or image information to a parking lot management information cloud platform for parking lot data analysis; the projector playing subsystem is internally provided with a small projector, and projects advertisements on the billboard screen, so that not only can static advertisement pictures be played, but also dynamic multimedia video advertisements can be played; each projector in the projector playing subsystem can independently play the multimedia advertisement content put in the local or parking lot management information cloud platform, and can synchronously play the same multimedia advertisement with the projectors in other parking space lock integrated control systems and put the same multimedia advertisement on the advertising board of the parking space lock; the parking space lock subsystem controls the lifting of the parking space lock, the indication of the parking space state lamp, the starting or closing of the power supplies of the projector playing subsystem and the video detection subsystem, and communicates with the parking space management information cloud platform, and uploads the real-time state information of the parking space lock to the parking space management information cloud platform or receives the control instruction of the parking space management information cloud platform; the driving mechanism adopts a small-power turbine worm gear motor and a small-diameter hoisting mechanism with a braiding flat belt, so that the mechanism is low in cost and easy to assemble.

Drawings

FIG. 1 is an isometric view of an embodiment of a projection advertising space lock of the present invention;

FIG. 2 is a front elevation view of a billboard in an embodiment of a projection advertising space lock of the present invention;

FIG. 3 is a rear view of a billboard in an embodiment of a projection advertising space lock according to the invention;

fig. 4 is a schematic block diagram of an embodiment of the parking space lock integrated control system according to the present invention.

Fig. 5 is a schematic block diagram of an embodiment of the parking spot lock control subsystem according to the present invention.

Fig. 6 is a schematic diagram of a circuit implementation of a Wi-Fi module and microcontroller connection of the wireless communication unit in a parking spot lock subsystem embodiment.

Fig. 7 is a schematic diagram of a circuit implementation of a NB-lot module and microcontroller connection of a wireless communication unit in a parking space lock subsystem embodiment.

Fig. 8 is a schematic diagram of a circuit implementation of a bluetooth module and microcontroller connection of the location and navigation unit in an embodiment of the parking space subsystem.

Fig. 9 is a schematic diagram of a connection implementation of the first collision avoidance unit and the microcontroller in the embodiment of the parking space lock subsystem.

Fig. 10 is a schematic diagram of a connection implementation of a second collision avoidance unit and a microcontroller in a specific embodiment of a parking space lock subsystem.

Fig. 11 is a schematic diagram of an implementation of a power management unit in a parking space lock subsystem embodiment.

FIG. 12 is a flow chart of user reservation and parking in an embodiment of the parking space management control system of the present invention.

FIG. 13 is a flow chart of the reservation user seeking and picking up a car in an embodiment of the parking space management control system of the present invention.

Detailed Description

The technical scheme adopted by the invention is as follows: a parking space management control system with a projection function comprises a parking management cloud platform, a local management server, a mobile terminal, a parking space management control integrated device and a height-limiting advertisement parking space lock;

the parking space management control integrated device is arranged above a lane which is 1-5 meters away from the managed height-limiting parking space lock; the two are connected by a cable; the structure part consists of a mounting seat, a billboard, a lifting mechanism and the like; the mounting seat is fixed on the beam above the parking space, the top is provided with a hoisting mechanism driven by a worm and gear reducing motor, the hoisting mechanism is connected with a billboard at the lower end through a hoisting belt and pulls the billboard to lift, the billboard consists of an aluminum alloy frame and a screen, the lower end is provided with an anti-collision sensor, the billboard is connected with the mounting seat through a telescopic sliding rail, and the sliding rail supports and keeps the billboard to lift in the vertical direction.

In the invention, the parking space lock integrated control device comprises a video detection subsystem, a projection playing subsystem and a parking space lock subsystem, as shown in fig. 4, fig. 4 is a schematic block diagram of an embodiment of the parking space lock integrated control system, and the invention is further described with reference to fig. 4 below:

the projector playing subsystem: one or more projectors are arranged in the parking space lock, static advertising pictures or dynamic videos are projected onto the screen of the advertising board, and the added value of the parking space lock is improved; the projector playing subsystem comprises a communication unit which performs bidirectional data communication with the parking lot management information cloud platform in a wireless or wired communication mode; the projector can project advertisements stored locally onto the screen of the billboard of the parking space lock, and can project advertisement information pushed by the parking space management information cloud platform onto the screen of the billboard.

The implementation method for synchronously playing the same multimedia advertisement provided by the invention comprises the following steps:

The projector playing subsystem comprises one or more projectors, the parking space lock billboard screen is in a state of locking and unlocking two different positions, when one projector is used for projecting the parking space lock billboard screen at different positions, the focal length of the projector is not changed, and meanwhile, the projection implementation method provided by the invention is as follows:

1, adjusting the focal length of a projector to a position with good projection effect when an advertisement picture is projected to a screen in the whole travel range of two different positions of locking and unlocking;

2, editing the multimedia advertisement file to be put into an upper picture and a lower picture which are the same and are just put into the positions corresponding to the positions of the parking space lock advertisement screen when the parking space lock advertisement screen is unlocked or locked respectively;

and 3, when the parking space lock is in an unlocking state, the lower half part of the put advertisement file is blackened by a player in the projector playing subsystem, and only the upper half part of the picture is just put on an advertisement screen of the parking space lock.

And 4, otherwise, when the parking space lock is in a locking state, the player in the projector playing subsystem carries out blackening treatment on the upper half part of the put advertisement file, and only the lower half part of the picture is just put on the advertisement screen of the parking space lock.

The video monitoring subsystem functions include three aspects:

The parking space lock control system is a control system based on the Internet or a local area network, can receive control instructions of the cloud platform and control the parking space lock to unlock or lock according to received instruction signals, and can also send various state information of the parking space lock to the cloud platform in real time, so that the sharing, open and intelligent management and monitoring of the parking space lock are realized; the control system comprises a Bluetooth positioning technology and can realize parking space sharing, reservation, navigation and parking and one-key vehicle finding by combining mobile phone APP or WeChat public signals; the system is also an induction type parking space management control system which automatically completes unlocking and locking after calculating the relative positions of the mobile terminal and the parking space lock; the method comprises the steps of carrying out a first treatment on the surface of the And simultaneously, a parking space state indicator lamp arranged below the box body is controlled to indicate whether the vehicle in the parking space exists or not and the reservation state.

According to the invention, the hoisting mechanism provides power for lifting the billboard, when the hoisting mechanism lifts the billboard to the highest position, the parking space lock is opened, the distance between the bottom of the billboard and the ground of the parking space is greater than or equal to the limit height of a vehicle entering and exiting the parking space, and when the hoisting mechanism lowers the billboard to the lowest point, the billboard is blocked at the entrance of the parking space, and the vehicle cannot enter or exit the parking space.

The billboard moves up and down along the slide rail, and the telescopic slide rail bears the overturning moment of the billboard; the electric hoisting mechanism is fixedly arranged on the mounting seat, the mounting seat is fixed on the beam above the parking space, the lower end of the hoisting belt of the hoisting mechanism is connected with the advertising board, and the driving mechanism is controlled by the control system, when the hoisting belt is fully extended, the advertising board is lowered to the lowest point, and the parking space lock is closed; when the winding belt is fully rolled up, the billboard is lifted to the highest point, and the parking space lock is opened.

The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent.

Example 1 (see fig. 1 to 4):

the implementation conditions of the scheme are as follows: the distance between the roof of the garage and the ground of the parking space is larger than the sum of the height of the billboard and the height limit of the garage. The parking spot lock 1 in the embodiment comprises a mounting seat 11, a winch 12, a gear motor 13, a slide rail 14, a winch belt 15, a billboard 16, an upper limit switch 17, a lower limit switch 18 and an anti-collision photoelectric switch 19; the integrated box 2 is arranged in front of the parking spot lock 1 and comprises a projector 21, a camera 22, a status lamp 23, a connecting cable 24, a parking spot lock controller, a buzzer and the like. The mounting seat 11 is fixed on the cross beam 3 above the parking space entrance, and a hoisting mechanism (a hoisting machine 12, a gear motor 13 and a hoisting belt 15) is arranged at the upper part of the mounting seat; the lower end of the winding belt 15 is connected with a billboard 16; the billboard 16 is composed of an aluminum alloy frame, an LED panel and a curtain, wherein the front panel is a curtain and is used for receiving projection and displaying dynamic advertisements, the rear panel is an LED luminescent plate, a static advertisement picture can be displayed by attaching an advertisement picture, a mounting plate 19 is embedded in a lamp box, a sliding rail 14 is mounted and is connected with the mounting seat 11, and the billboard 16 is driven by a hoisting mechanism to lift up and down along the sliding rail 14; the upper limit switch 17 and the lower limit switch 18 are arranged at the upper end and the lower end of the mounting seat and are used for controlling the lifting travel of the advertising board 16; the anti-collision photoelectric switch 20 is arranged at the lower end of the billboard 16 and is used for avoiding the collision with a person or a car below or in front.

The projector 21, the camera 22, the status light 23, the parking space lock controller and the buzzer are all installed on the integrated box 2, the lens of the projector 21 faces the direction of the screen of the advertising board 16, the lens of the camera 22 faces the direction of the parking space, the parking space status light 23 is installed below the box body, the parking space lock controller controls the parking space lock, the projector, the camera and the status light, and a Bluetooth module and other parking space lock integrated control systems of the parking space lock controller form a Bluetooth indoor navigation network.

The implementation process of the scheme is as follows: the parking space lock controller is connected with a wireless network arranged in the garage, when the reserved vehicle does not arrive, the billboard 16 descends, the projector 21 is started and projects a picture to a screen of the billboard 16, and the parking space state lamp 23 lights green light to display an empty parking space; when the reserved vehicle arrives at the parking lot, the Bluetooth module of the parking spot lock controller of each parking spot forms an in-situ navigation network to guide the vehicle to arrive at the reserved parking spot, the parking spot lock controller controls the hoisting mechanism of the parking spot lock 1 to act, the advertising board 16 is lifted, and the projector 21 stops projecting; the vehicle enters the parking space, the camera 22 judges that the vehicle is parked and identifies a license plate number uploading network through image analysis, the status lamp 23 lights a red light, the billboard 16 is lowered, the parking space lock 1 is closed, the projector 21 is opened to project and play advertisement pictures, and a vehicle owner can watch static advertisements on the vehicle and also can watch dynamic advertisements in a channel. The anti-collision photoelectric switch 20 can trigger a signal when people and vehicles below and in front approach each other and have a false collision tendency, so that a buzzer is triggered to alarm, and the action of the hoisting mechanism is stopped through the controller.

The following further describes the present embodiment with reference to fig. 5, and fig. 5 is a schematic block diagram of an embodiment of the parking space lock control subsystem according to the present invention:

the parking spot lock subsystem comprises a microcontroller, a power management unit, a mechanical position sensor, a sound unit and a parking spot lock driving unit, and is characterized in that the control system of the parking spot lock further comprises a wireless communication unit, a positioning and navigation unit, a vehicle anti-collision detection unit and a light signal indication unit.

The microcontroller is connected with the power management unit, the wireless communication unit, the light signal indication unit, the anti-collision detection unit, the position sensor, the sound unit, the parking spot lock driving unit and the Bluetooth positioning and navigation unit; the wireless communication unit is communicated with the yard management information cloud platform; the Bluetooth positioning and navigation unit is communicated with the mobile terminal; the mobile terminal is communicated with the yard management information cloud platform; the power management unit provides rated direct current working voltage for the microcontroller, the wireless communication unit, the parking space lock driving unit, the anti-collision detection unit, the sound unit, the positioning and navigation unit and the light signal indication unit; meanwhile, the power management unit also controls the power supply of the projector playing subsystem and the video detection subsystem; the parking space lock driving unit is connected with the parking space lock lifting device through a mechanical transmission mechanism.

The microcontroller is a central center for processing various signals in the parking spot lock subsystem and controls the whole system to work in a coordinated manner; the power management unit is connected with the microcontroller, the wireless communication unit, the positioning and navigation unit, the parking spot lock driving unit, the mechanical position sensor, the anti-collision detection unit, the sound unit and the light signal indication unit and provides rated working voltage and current for the power management unit; the sound unit is connected with the microcontroller, and the parking spot lock gives out a 'drop' prompt when being opened or closed, and gives out a long-ringing alarm when detecting an abnormal state, and the parking spot lock gives an alarm when detecting that a vehicle approaches in an unopened state, so that the vehicle is prevented from being bumped.

The light signal indicating unit is connected with the microcontroller and is used for indicating whether vehicles exist in the parking space or not, and whether the working state of the parking space lock is normal or not, so that a user is guided to park the vehicles into the reserved parking space.

In this embodiment, the light signal indicating unit is composed of three LED lamps of red, green and blue on the parking space lock integrated control device, and the implementation method is as follows:

and 1, detecting whether a vehicle exists in a parking space by the video detection subsystem, and uploading detected state information to a parking lot management information cloud platform through a communication unit in the system.

And 2, the parking space lock subsystem reads state information of whether vehicles exist in the parking space or not and whether the parking space is reserved or not from the parking space management information cloud platform.

3, if a car exists, a microcontroller in the parking space lock subsystem controls a red LED lamp to be turned on, and the car is indicated; if no vehicle exists but the parking space is reserved, the microcontroller controls the blue LED lamp to light up, and indicates that the parking space is reserved; if no vehicle exists and the parking space is not reserved, the microcontroller controls the green LED lamp to light up, and the parking space is indicated to be idle.

In this embodiment, the wireless communication unit includes, but is not limited to, a Wi-Fi communication module, a GPRS communication module, an NB-Lot module, or a Lora wireless radio frequency module, where the wireless communication module in the wireless communication unit is connected to the microcontroller through a serial port; the microcontroller reads unlocking/locking instructions of the parking lot management information cloud platform received by the wireless communication unit, controls the parking space lock driving unit to further drive the parking space lock mechanical transmission mechanism and the lifting device to unlock or lock the parking space lock, and simultaneously uploads the state information of the parking space lock to the parking lot management information cloud platform through the wireless communication unit.

Referring to fig. 6, a schematic diagram of a circuit implementation of a Wi-Fi module and a microcontroller of a wireless communication unit according to the present invention is shown, and further described with reference to fig. 6 below:

As shown in fig. 6, a Wi-Fi module U2 with the model number of EPS8266 series is connected to a serial port 2 of a microcontroller U3 through 2 pins of wifi_txd2 and wifi_rxd2, and the microcontroller completes control of the module and realizes data communication with a yard management information cloud platform in a manner of sending an AT instruction to the Wi-Fi module U2 through the serial port 2, so that the wireless communication function requirement of the intelligent parking spot lock is met.

In fig. 6, the network reference number is 3V3, which is a system working power supply, when the parking spot lock control system is in a working state, the microcontroller outputs a low level from an I/O port with the network reference number of wifi_on, and Q4 is turned ON to turn ON the power supply of the Wi-Fi module, so that the Wi-Fi module can work normally; when the parking space lock system is in an idle sleep state, the microcontroller outputs a high level from the WIFI_ON I/O port, Q4 is turned off, so that the working power supply of the Wi-Fi module is turned off, and when the work abnormality of the Wi-Fi module is found, the microcontroller restarts the power supply to check whether the work state can be recovered to be normal.

Referring to fig. 7, a schematic diagram of a circuit implementation of a NB-lot module and microcontroller connection of a wireless communication unit according to the present invention is shown, and further described with reference to fig. 7 below:

the NB-lot module U1 with the model BC-95 is connected with the serial port 3 of the microcontroller U6 through the 2 pins of NB_TXD3 and NB_RXD3, and the microcontroller is used for controlling the module and realizing data communication with the parking lot management information cloud platform in a mode of sending AT instructions to the NB-lot module U1 through the serial port 3, so that the wireless communication function requirement of the intelligent parking spot lock is met.

In this embodiment, the positioning and navigation unit is embedded with a bluetooth low energy module, the bluetooth low energy module is connected with the microcontroller through a serial port communication manner and completes data communication, and the bluetooth low energy module is connected with an I/O port of the microcontroller through an I/O port to complete mutual control of signals; the low-power consumption Bluetooth module broadcasts and transmits own ID, the mobile terminal receives wireless broadcast ID signals sent by the Bluetooth positioning and navigation unit and Bluetooth wireless base stations deployed near the parking space, and then the position of the mobile terminal of the user and the target position of the parking space are determined through a triangular positioning algorithm, so that positioning and navigation are realized.

Referring to fig. 8, a schematic diagram of a circuit implementation of a bluetooth module and a microcontroller connection of a positioning and navigation unit according to the present invention is shown, and further described below with reference to fig. 8:

the low-power consumption Bluetooth module U2 is connected with a serial port 3 of the microcontroller through the network numbers BL_TXD3 and BL_RXD3, and the microcontroller completes data communication with the Bluetooth module U2 through the serial port 3; when in an idle mode, the Bluetooth module broadcasts an ID signal, a signal base station is provided for indoor positioning navigation, and when the mobile terminal is actively connected with the Bluetooth module, the microcontroller completes data communication with the mobile terminal through the Bluetooth module.

In this embodiment, another implementation manner of the positioning and navigation unit is composed of a BLE Soc (Bluetooth Low Energy System on chip) low-power-consumption bluetooth system-on-chip nRF51822, and since the low-power-consumption bluetooth system-on-chip already includes a microcontroller, the positioning and navigation unit can directly replace the function of the microcontroller of the present invention, and the system-on-chip can complete the positioning and navigation in the parking lot by broadcasting the parking space lock ID through the bluetooth communication function; the system on chip is connected with the Wi-Fi module through a serial port, and enables the parking space lock to be connected with the Internet through the Wi-Fi module to communicate with the parking space management information cloud platform, and receives unlocking or locking instructions issued by the parking space management information cloud platform.

In the embodiment, the anti-collision detection unit is connected with the microcontroller by adopting an infrared sensor or an ultrasonic sensor, the microcontroller judges the distance information between the intelligent parking lock detected by the sensor and the vehicle by reading the distance information, and in the locking descending process, when the intelligent parking lock and the vehicle are found to be too close, the locking is stopped, the vehicle and the vehicle lock are prevented from collision, and an alarm prompt sound is sent out through the sound unit; under the lock closing state, when sensing and detecting that the vehicle is close to the parking space lock and is too close to the parking space lock, the intelligent parking space lock sends out alarm prompt sounds to prompt a user to prevent the vehicle from colliding with the parking space lock, and alarm state information is reported to a parking space management information cloud platform through the wireless communication unit.

Referring to fig. 9, fig. 9 is a schematic diagram of a connection implementation between a first collision avoidance detection unit and a microcontroller in a parking space lock subsystem according to an embodiment of the present invention, and further described below with reference to fig. 9:

1) In the figure, J1 and J2 are infrared sensors, a probe faces downwards when the J1 sensor is installed and is used for detecting whether a vehicle exists below the probe, and the probe faces in front of the parking space lock when the J2 sensor is installed and is used for detecting whether the vehicle exists in front of the parking space lock;

2) When the intelligent parking lock is in the locking process, the infrared sensor J1 detects that the distance between the intelligent parking lock and a vehicle below is too short, a high level is output from the 2 nd foot, the high level is transmitted to an IO port of the microcontroller through the resistor R1 and the triode Q1, the microcontroller immediately stops the work of the parking lock driving unit after reading the state change of the IO port level, the parking lock is prevented from continuously moving downwards to collide with the vehicle, and meanwhile, the sound unit is started to alarm and the alarm state information is transmitted to the parking space management information cloud platform through the wireless communication unit;

3) When the intelligent parking spot lock is in a locking state, an infrared sensor J2 detects whether a car is in front of the car lock, when the situation that the distance between the car in front and the car lock is too close is detected, a high level is output from a 2 nd foot, the high level is sent to an IO port of a microcontroller after passing through a resistor R8 and a triode Q2, and the microcontroller immediately starts a sound unit to alarm to prompt a driver and sends alarm state information to a car park management information cloud platform through a wireless communication unit after reading state change of the IO port level;

4) After receiving the alarm information, the yard management information cloud platform starts an alarm mechanism (such as starting a video detection subsystem to take pictures and record, notifying a user and a yard manager, etc.) so that the parking space lock is effectively supervised.

As shown in fig. 10, fig. 10 is a schematic diagram of a connection implementation of a second collision avoidance detection unit and a microcontroller in a parking space lock subsystem embodiment. Further description is provided below in conjunction with fig. 10:

1) J3 in the figure is an ultrasonic sensor and is connected with an IO port of the microcontroller, when the microcontroller outputs a low trigger level to a 2 nd foot of the ultrasonic sensor, the ultrasonic sensor automatically starts a distance test and outputs a pulse signal in direct proportion to the distance between a parking space lock and a front measured object from the 3 rd foot after the test is finished;

2) The microcontroller reads the level width output by the ultrasonic sensor and calculates the distance between the vehicle lock and the vehicle in front;

3) If the distance is found to be too close, immediately starting a sound unit to alarm to prompt a driver and sending alarm state information to a yard management information cloud platform through a wireless communication unit;

referring to fig. 11, fig. 11 is a schematic diagram of an implementation of a power management unit in a parking space lock subsystem according to an embodiment of the present invention, and further described below with reference to fig. 11:

1, P2 in the figure is a power frequency alternating current input port, J1 is a power frequency alternating current output port controlled by the parking space lock subsystem, and a controlled working power supply is provided for the projector playing subsystem.

2, when the microcontroller outputs high level through the IO port, the triode Q2 is saturated and conducted by the resistor R8 through the diode D15, the public end 1 and the normally open end 3 of the relay K5 are connected, so that power frequency alternating current flows to the J1 through the relay K5, and the projector playing subsystem is plugged into a power line of the socket to obtain a working power supply.

in this embodiment, fig. 12 is a flowchart of user reservation and parking in the embodiment of the parking space management control system according to the present invention. The following describes the parking space reservation and entrance parking implementation method with reference to fig. 12:

12. after receiving the platform state change information, the mobile terminal switches the interface to an in-field map mode, the mobile terminal receives a beacon signal of Bluetooth broadcast sent by a positioning navigation unit arranged in each parking space lock subsystem, uploads the acquired beacon data in a sensing range to a parking management cloud platform, after finishing position calculation by a map position algorithm, the platform issues the position information to a user APP and displays the position information on a map of a navigation function interface, simultaneously plans the shortest route between the current position and a target parking space, displays the route on the APP in-field navigation map, synchronizes the vehicle information to an induction screen on a route to display license plate information and guide the traveling direction of the vehicle, and a parking space signal indicating unit in each parking space lock subsystem indicates the state of a parking space along the way: red represents a parked parking space, green represents a reserved parking space, and blue represents a reserved parking space;

in this embodiment, fig. 13 is a flowchart of a vehicle searching and taking process for a reservation user in an embodiment of the parking space management control system according to the present invention. The following describes a method for realizing the vehicle searching and taking of the reservation user with reference to fig. 13:

In this embodiment, the map drawing and positioning of the parking lot includes the following steps:

in this embodiment, the positioning navigation and automatic control parking spot lock includes the following steps:

4) When the parking management cloud platform calculates through the beacon information acquired by the mobile terminal and determines that the current position reaches the parking space range threshold, the parking management cloud platform issues a parking space lock unlocking instruction to the parking space lock subsystem, the parking space lock subsystem finishes unlocking through controlling the parking space lock driving sheet, prompts through controlling light, sound and video playing, and monitors the parking space state through the video monitoring subsystem.

Claims

1. The parking space lock control system with the projection function is characterized by comprising a parking management cloud platform, a local management server, a mobile terminal, a parking space management control integrated device and a height-limiting advertisement parking space lock;

the parking space management control integrated device is arranged above a lane which is 1-5 meters away from the managed height-limited advertisement parking space lock;

the parking space management control integrated device comprises a projection play subsystem, a video monitoring subsystem and a parking space lock controller;

the parking space lock controller comprises a microcontroller, a power management unit, a wireless communication unit, a sound unit, a parking space lock driving unit, a Bluetooth positioning and navigation unit and a parking space signal indicating unit; the microcontroller is connected with the power management unit, the wireless communication unit, the sound unit, the parking space lock driving unit, the Bluetooth positioning and navigation unit and the parking space signal indicating unit; the Bluetooth positioning and navigation unit is embedded with a low-power-consumption Bluetooth module, the low-power-consumption Bluetooth module is connected with the microcontroller in a serial port communication mode and completes data communication, and the low-power-consumption Bluetooth module is connected with an I/O port of the microcontroller through an I/O port to complete mutual control of signals; the low-power consumption Bluetooth module broadcasts and transmits own ID, the mobile terminal receives wireless broadcast ID signals sent by the Bluetooth positioning and navigation unit and Bluetooth wireless base stations deployed near the parking space, and then the position of the mobile terminal of the user and the target position of the parking space are determined through a triangular positioning algorithm, so that positioning and navigation are realized; the parking space signal indicating unit is used for indicating whether vehicles exist in the parking space or not, and whether the parking space is a reserved parking space or not, and guiding a user to park the vehicles into the reserved parking space;

The Bluetooth positioning and navigation unit is communicated with the mobile terminal; the mobile terminal is communicated with the parking management cloud platform;

one or two projectors are arranged in the projection playing subsystem, and static advertising pictures or dynamic videos are projected onto the screen of the advertising board; the projector playing subsystem also comprises a communication unit which performs bidirectional data communication with the parking management cloud platform in a wireless or wired communication mode; the projector playing subsystem independently plays the multimedia advertisement content which is put in by the local or parking management cloud platform, and synchronously plays the same multimedia advertisement with the projectors in the other parking space lock integrated control systems and puts the same multimedia advertisement on the advertising board of the parking space lock; one or more cameras for monitoring are arranged in the video monitoring subsystem, photos and vehicle information shot by the cameras are uploaded to a parking management cloud platform at regular intervals, and parking space monitoring is realized while the vehicle information is identified;

the method for synchronously playing the same multimedia advertisement comprises the following steps:

1) The parking management cloud platform establishes a time synchronization server for all projector playing subsystems in the parking lot and provides time synchronization service;

2) Updating all multimedia advertisement files in the projector subsystem needing synchronous playing to the same file content;

3) The parking management cloud platform establishes synchronous play list files, wherein the synchronous play list files comprise all file name lists to be played, the playing time of each file is started, the playing time of each file is ended, and the playing time of each file is in each percentage;

4) The projector playing subsystem acquires the synchronous playlist file from the parking management cloud platform through a communication unit in the system;

5) All projector playing subsystems are synchronized to the same unified time by taking a time synchronization server as a reference;

6) When the time listed in the synchronous play list file is reached, each projector play subsystem synchronously plays the same multimedia advertisement file and projects the same multimedia advertisement file to the parking space lock advertising board;

7) And each projector playing subsystem is used for playing the multimedia advertisement file and simultaneously comparing the playing time of each percentage in the synchronous play list file in real time, and if the out-of-step phenomenon such as too fast or too slow occurs, the projector playing subsystem automatically jumps to the position specified in the synchronous play list file to realize synchronous correction.

2. The parking spot lock control system with the projection function according to claim 1, wherein the height-limiting advertisement parking spot lock comprises a mounting seat; the mounting seat is fixed on the cross beam above the parking space inlet; a hoisting mechanism is arranged on the mounting seat; the hoisting mechanism is connected with the advertising board and can drive the advertising board to move in the vertical direction; when the billboard moves to the upper limit, the vehicle can pass through, and when the billboard moves to the lower limit, the vehicle is limited to pass through.

3. The parking spot lock control system with the projection function according to claim 1, wherein the billboard comprises a front panel and a rear panel; the front panel is provided with a curtain for receiving a projection picture of the parking space management control integrated box in front of the front panel; the rear panel is a static advertising lamp box; a shading layer is arranged between the front panel and the rear panel.

4. The parking spot lock control system with the projection function according to claim 2, wherein the winding mechanism includes a winding engine for driving a gear motor of the winding engine; the winch is connected with the winch belt; the winding belt is connected with the advertising board.

5. The parking spot lock control system with the projection function according to claim 2, wherein the mounting seat is connected with a vertically arranged slide rail, and the billboard moves up and down along the slide rail.

6. The parking spot lock control system with the projection function according to claim 2, wherein an upper limit switch and a lower limit switch are respectively installed at the upper end and the lower end of the installation seat.

7. A method for realizing parking space management by using the parking space lock control system of one of claims 1 to 6, wherein a projector playing subsystem projects advertisement pictures or videos onto a screen of an advertisement board; the camera identifies the state of whether a vehicle exists in the parking space and the license plate number of the parked vehicle; the parking spot lock controller controls the lifting of the parking spot lock, the indication of the parking spot status lamp, the opening or closing of the projector and the camera; the wireless communication unit is communicated with the parking management cloud platform, and the real-time state information of the parking space lock is uploaded to the parking management cloud platform or a control instruction of the parking management cloud platform is received, so that parking space reservation and parking space sharing are realized; the method is characterized by comprising a parking space reservation and entrance parking method, a vehicle searching and driving departure method and a parking space map drawing and positioning navigation method:

1) The parking space lock integrated control device uploads parking space state information to the parking management cloud platform through the monitoring units such as the video monitoring subsystem and the like, and provides the parking space state information for the parking management cloud platform to serve as equipment support for fine management of the parking space;

2) The parking space lock controller provides a beacon function for navigation in a parking lot through a self-contained positioning and navigation unit under a non-connection state with the mobile terminal;

3) The parking space lock controller keeps the communication connection between the parking space lock integrated control device and the platform through the communication unit and receives a control command issued by the parking management cloud platform;

4) Providing advertisement playing video information and storing parking space state information shot by a camera and environment information in the running process through a parking management server;

5) The user applies for registration to become the user by using the mobile terminal, and the user is required to bind the mobile phone number as the unique marking information of the user on the parking management cloud platform when entering for the first time; meanwhile, binding the driven vehicles to serve as a platform for providing service objects, and setting a default license plate number according to the service condition when the number of the bound vehicles is larger than one to serve as a system preferred service object;

6) The user uses the mobile terminal to open Bluetooth and mobile communication functions, the mobile terminal is connected to the parking management cloud platform, and the parking space states of the target area and the surrounding parking areas are obtained so as to select the needed parking areas and parking spaces, and reservation operation is carried out; by clicking or inputting a parking destination on a map, inquiring a destination and a nearby parking lot list, and obtaining the information of the number of the remaining parking spaces;

7) The user selects a parking lot icon of a required parking, and acquires parking lot data information, including a map in the parking lot, the number of parking spaces, reserved parking spaces and a charging rule of the parking lot;

8) The method comprises the steps that a user bound with license plate information and provided with a default license plate in a mobile terminal directly uses a fast reservation mode, a parking management cloud platform sets nearby parking spaces from near to far to be in positions with different priorities as a position with higher priority recommended to the user according to the use habit of the user, the mobile terminal is switched to a map interface of a parking lot at the moment, alternative parking space information is displayed, and the user manually selects the parking spaces needing to park vehicles according to personal habits to reserve the parking spaces; manually selecting a vehicle license plate to be serviced for a user without setting a default vehicle;

9) The parking management cloud platform maintains reservation parking space reservation rules and parking charging rules of each parking lot through a background, calculates prepaid fees, a user displays required payment fees through a payment confirmation page of the mobile terminal, prepaid fees through a charging interface provided by the platform, after successful payment of the user, the parking management cloud platform issues payment confirmation information and transfers corresponding parking spaces from a platform reservation list to the reserved list to complete parking space reservation, the parking management cloud platform issues instructions, and a parking space lock integrated control device controls parking space lock occupation;

10 After the reservation of the user is successful, starting a navigation function through the mobile terminal, and providing navigation service to a parking lot entrance for the user by calling an external map interface or directly going to a target parking lot;

11 When a user arrives at the entrance of a target parking lot, the entrance barrier acquires vehicle license plate information through a video recognition technology, the vehicle information is uploaded to a parking management cloud platform, the vehicle license plate information is matched with reservation order information, after the vehicle license plate is confirmed to be an effective order license plate, the platform issues a command to open the barrier to release, entry state information is issued to a mobile end of the user, meanwhile, the parking management cloud platform modifies a flow state into entry, and charging time calculation in the parking lot formally begins;

12 After receiving the platform state change information, the mobile terminal switches the interface to an in-field map mode, the mobile terminal receives a beacon signal broadcast by Bluetooth sent by a positioning navigation unit arranged in each parking space lock subsystem, the acquired beacon data in a sensing range is uploaded to a parking management cloud platform, the platform sends the position information to the user mobile terminal and displays the position information on a map of a navigation function interface after finishing position calculation through a map position algorithm, simultaneously plans the shortest route between the current position and a target parking space, displays the route on the in-field navigation map of the mobile terminal, synchronizes the vehicle information to an induction screen on a path to display license plate information and guide the vehicle direction, and a parking space signal indication unit in each parking space lock subsystem indicates the state of a parking space along the way:

13 The user drives to the target parking place through navigation prompt, voice prompt, lamplight prompt of the parking place state unit and prompt information of the lane guidance screen according to the map navigation planning route in the mobile terminal, the mobile terminal continuously receives data broadcast by beacons which are arranged in advance in the field, compares the distance between the data broadcast by the beacons and the target parking place, and corrects the error driving direction;

14 The parking management cloud platform judges that a user arrives near a target parking space through map calculation or beacon intensity threshold value in the field and then enters a parking process, and the implementation process is as follows:

a) The parking management cloud platform issues a control instruction to a parking space lock integrated control device of a target parking space through the Internet;

b) After receiving a platform control instruction through the communication unit, a parking space subsystem in the parking space lock integrated control device controls the parking space driving unit to unlock through the microcontroller;

c) The parking space lock signal indicating unit displays blue light before the vehicle arrives to indicate that the parking space is reserved; in the unlocking procedure, the lights with three colors of red, blue and green flash sequentially to prompt the user to stop in the parking space; after the user parks, the parking space state indicator light is displayed in red to indicate that the parking space is occupied;

d) The sound unit guides the user to park the vehicle correctly in a voice prompt mode and prompts the user about notes;

e) The video monitoring subsystem in the parking space lock integrated control device starts a camera after receiving a control command, uploads video information in the parking process of a user to the platform for storage, identifies vehicle license plate information, confirms whether order information is matched or not, and confirms the parking state to the platform if the order information is matched with the order information;

f) After the parking is finished, the parking space lock integrated control device uploads parking space state change information and parking pictures acquired by the video monitoring equipment to the platform, and confirms the parking space state;

1) When the user reservation order is in a parking state, entering a parking area, enabling the user to enter a vehicle searching page through the mobile terminal, and starting a vehicle searching function;

3) After the parking space is reached, the user selects to pay for leaving a parking space, after paying corresponding parking fees, the mobile terminal sends payment confirmation information to the parking management cloud platform, the parking management cloud platform modifies the order state into to-be-leaving, meanwhile, the parking space lock integrated control device uploads the parking space state information to the parking management cloud platform through connected monitoring units such as a sensor and a camera, and the parking management cloud platform brings the parking space information into a reserved list again after confirming that the vehicle leaves; simultaneously starting departure countdown, if the user leaves the parking lot within the time limit of the rule, automatically releasing the exit barrier, otherwise, paying additional cost;

4) When the parking management cloud platform calculates through the beacon information acquired by the mobile terminal and determines that the current position reaches the parking space range threshold, the parking management cloud platform issues a parking space lock unlocking instruction to the parking space lock subsystem, the parking space lock subsystem finishes unlocking through controlling the parking space lock driving sheet, prompts through controlling light, sound and video playing, and the video monitoring subsystem monitors the parking space state.