WO2019000764A1

WO2019000764A1 - Rf-technology-based guidance system for vehicle parking and retrieval in parking lot

Info

Publication number: WO2019000764A1
Application number: PCT/CN2017/108957
Authority: WO
Inventors: 曹峰
Original assignee: 苏州美天网络科技有限公司
Priority date: 2017-06-27
Filing date: 2017-11-01
Publication date: 2019-01-03
Also published as: CN107369331A

Abstract

Provided is an RF-technology-based guidance system for vehicle parking and retrieval in a parking lot, comprising: comprising a parking-space detection module, an RF base station, a host machine, a vehicle electronic tag, a vehicle interior display screen, and a parking-space guide screen. The parking-space detection module comprises a pressure sensor, a processor, and a parking-space electronic tag, installed in an integrated manner beneath a parking space and used for determining, according to a pressure value on the measured parking space, whether the parking space is occupied; the RF base station comprises a reader and a positioner; the vehicle electronic tag is installed in the vehicle interior; the vehicle interior display screen is connected to the vehicle electronic tag, and the vehicle interior display screen establishes a communications connection with the host machine; the parking-space guide screen is connected to the host machine, is capable of preparing to determine the state of use of the parking spaces of the parking lot, and determining the locations of parking spaces and the locations of vehicles that have entered the parking lot, and provides a guiding route map for vehicle owners to park and retrieve their vehicles, thus providing great convenience to vehicle owners in parking and retrieving their vehicles.

Description

Parking system for parking lot based on radio frequency technology

Technical field

The invention relates to the field of parking lot management systems, in particular to a parking lot parking vehicle guiding system based on radio frequency technology.

Background technique

RFID (Radio Frequency Identification Technology) is a non-contact, latest automatic identification technology matured in the early 21st century and is now being promoted and applied in various industries around the world. Radio Frequency Identification (RFID) is a wireless communication technology that uses radio signals to identify specific targets and read and write related data without the need to identify mechanical or optical contact between the system and a particular target.

With the rapid development of the automobile industry, the problem of difficult parking in cities has become more and more serious. At present, most parking lots are managed by parking lot staff on the parking space. This management method has the following problems:

1. The owner enters the large parking lot, but does not know the specific location of the empty parking space, often spends a lot of time looking for the bus, which not only wastes time but also easily leads to congestion in the parking lot.

2. When the owner returns to the parking lot to pick up the car, because the internal conditions of the parking lot are more complicated, or when the parking position of the own vehicle is forgotten, it is often difficult for the owner to find his own vehicle quickly and accurately, resulting in wasted time.

Summary of the invention

The technical problem to be solved by the present invention is to provide a parking lot parking vehicle guiding system based on radio frequency technology, which is capable of determining the usage state of the parking lot parking space and determining the parking space position and The location of the vehicle entering the parking lot provides a guide route map for the owner to park and pick up the car, so that the owner can stop the car.

In order to solve the above technical problem, the technical solution adopted by the present invention is: a parking lot parking vehicle guiding system based on radio frequency technology, including: parking space detection module, radio frequency base station, main engine, vehicle electronic label, in-vehicle display, parking space guidance Screen;

The parking space detecting module comprises a pressure sensor, a processor and a parking space electronic sign, which are integrated and installed under the parking space, and are used for judging whether the parking space is occupied according to the measured pressure value on the parking space; the radio frequency base station establishes communication with the host Connecting, the radio frequency base station includes a reader and a locator; the host includes a storage area; the vehicle electronic tag is installed in the vehicle, and includes information of a license plate of the vehicle, a name of the owner, and a phone; the display screen and the interior of the vehicle The vehicle electronic tag connection is established, and the in-vehicle display screen establishes a communication connection with the host for exchanging information with the host; the parking space guidance screen is connected with the host, and displays the position information of the to-be-drawn vehicle for the vehicle owner.

Preferably, the processor is connected to the pressure sensor at one end and the parking space electronic tag is connected to the other end. The pressure sensor uses a diaphragm pressure sensor for measuring the total pressure on the entire parking space. Whether the parking space is occupied according to the measured pressure value is determined, and the judgment result is written to the parking space electronic tag connected thereto.

Preferably, the radio frequency base station includes the reader and the locator, and the system includes a plurality of radio frequency base stations. Installed in a designated position of the parking lot, the signal radiation range covers the entire parking lot, and the reader scans the parking space electronic tag and the vehicle electronic tag to obtain the parking space position, the occupancy information, the vehicle license plate, the owner's name, and the telephone. Information, and the obtained information is sent to the host; each of the radio base stations has a unique electronic code and respective position coordinates, and the locator uses the algorithm pair according to the position coordinates of the radio base station The vehicle of the vehicle electronic tag is positioned and the vehicle location information is transmitted to the host.

Preferably, the host computer has a parking lot map. When the host receives the parking request, the host randomly extracts an electronic tag information of the parking space marked as unoccupied from the storage area, and displays the unoccupied information on the parking lot map. Positioning the parking space, forming a guiding route map in combination with the vehicle position, and transmitting the guiding route map to the in-vehicle display screen to guide the vehicle owner to stop; when the host receives the pick-up request, extracting the corresponding vehicle from the storage area The electronic tag information is obtained, and the location of the vehicle is obtained, and the parking map is formed in combination with the parking lot map to be sent to the parking space guidance screen to guide the owner to pick up the vehicle.

Preferably, after the vehicle owner drives into the parking lot, the vehicle owner sends a parking request by using the in-vehicle display screen, and after receiving the request information, the host randomly extracts an electronic tag information of the parking space marked as unoccupied from the storage area. And displaying the location of the unoccupied parking space on the parking lot map, forming a guiding route map in combination with the vehicle location information, and then transmitting the guiding route map to the in-vehicle display screen to guide the vehicle owner to stop, and the host reads through the reading Marking the parking space electronic tag corresponding to the extracted parking space electronic tag information as pre-occupied;

After the vehicle enters the parking space, the parking space detecting module detects that the parking space is occupied, sends the parking space occupied information to the reader through the parking space electronic tag, and then sends the information to the host for storage by the reader. Determining, by the locator, the position of the vehicle by combining the vehicle electronic tag in the vehicle, and determining that the vehicle is parked successfully if the vehicle position coincides with the position of the pre-occupied parking space electronic tag, and sending “parking success” The information is sent to the in-vehicle display screen, and the host updates the storage information by updating the same information electronically, and the received information overwrites the first accepted information, that is, the tag information of the parking space electronic tag stored by the host at this time. If the host detects that the position of the vehicle coincides with the position of the electronic tag of the other parking space, the prompt message is sent to the in-vehicle display screen, prompting the owner to “park the parking error, please stop according to the guiding route”.

Preferably, when the vehicle owner enters the parking lot to pick up the vehicle, the license plate number of the vehicle to be taken is input on the parking space guidance screen in the parking lot, and the host receives the information transmitted by the parking space guidance screen, from the The storage area extracts the corresponding vehicle electronic tag information, obtains the location information of the parking space, and forms a car picking guide route in combination with the parking lot map, and then sends the route to the parking space guidance screen to guide the vehicle owner to pick up the car;

After the vehicle owner drives away from the parking space, the parking space detecting module detects that the parking space is unoccupied, and sends the unoccupied information of the parking space to the reader through the parking space electronic tag, and then sends the information to the host by the reader. The host updates the stored data.

Preferably, when there is no vehicle on the parking space, the pressure value measured by the pressure sensor is calibrated to 0, and the processor determines whether the parking space is occupied according to the measured pressure value, and when the pressure value is lower than a certain threshold, the processor determines The parking space is unoccupied; when the pressure value exceeds the threshold, the processor determines that the parking space is occupied, and the threshold is set to 2000N-10000N.

Preferably, the system includes a plurality of the parking space guidance screens, which are installed in a designated position in the parking lot, and the parking space guiding screen adopts a touch display screen, and is connected with the host, and displays the waiting information according to the vehicle picking request information input by the vehicle owner. Take the vehicle Pick up the car to guide the road map.

Preferably, the parking space electronic tag adopts a readable and writable electronic tag, has a unique electronic code, includes location coordinates of the parking space and occupation status information of the parking space, and the processor writes occupancy information of the parking space to the parking space. An electronic tag that writes pre-occupancy information of the parking space to the parking space electronic tag.

Preferably, the vehicle electronic tag is mounted in the vehicle and has a unique electronic code including information of the vehicle's license plate, owner's name and telephone, and the vehicle electronic tag is coupled to the in-vehicle display.

The invention has the beneficial effects that the invention can prepare to judge the use state of the parking lot parking space, and can determine the parking space position and the position of the vehicle entering the parking lot, and provide a guiding route map for the vehicle owner to park and pick up the vehicle, and parking and picking up the vehicle for the owner. Provides great convenience. In addition, the invention has reasonable design, simple structure, high intelligence degree, low input cost and convenient installation and layout.

DRAWINGS

1 is a block diagram of a radio frequency-based parking lot parking vehicle guiding system according to the present invention.

Detailed ways

The present invention will be further described in detail below with reference to the accompanying drawings, so that those skilled in the art can refer

It is to be understood that the terms "having", "comprising" and "comprising" are used in the <RTIgt;

As shown in FIG. 1 , a radio parking technology-based parking lot parking vehicle guidance system includes a parking space detection module, a radio frequency base station, a host computer, a vehicle electronic tag, an in-vehicle display screen, and a parking space guidance screen.

The parking space detection module includes a pressure sensor, a processor and a parking space electronic tag, which are integrated under the parking space, and adopts a diaphragm pressure sensor for measuring the pressure above the parking space, and the pressure sensor transmits the measured pressure value to the processor connected thereto. The processor determines whether the parking space is occupied according to the measured pressure value, and writes the determination result to the parking space electronic tag connected thereto, and the parking space electronic tag further includes the position coordinate of the parking space;

The radio base station establishes a communication connection with the host, the radio base station includes a reader and a locator, and the reader includes a plurality of radio frequency readers installed at a designated position in the parking lot, and the signal radiation range covers the entire parking lot for scanning the parking space electronic tag and The vehicle electronic tag obtains the parking space position, the occupancy information, the vehicle license plate, the owner's name, and the telephone information separately, and sends the acquired information to the host; each radio base station has a unique electronic code and respective position coordinates. The locator uses an algorithm to locate the vehicle with the vehicle electronic tag according to the position coordinates of the radio frequency base station, and sends the vehicle position to the host;

The host includes a storage area, and the parking lot map information is stored. When the host receives the parking request, the host randomly extracts a parking space electronic tag information marked as unoccupied from the storage area, and displays the position of the unoccupied parking space on the parking lot map. Forming a guide route map, and then transmitting the guide route map to the in-vehicle display screen to guide the owner to stop; when the host receives the pick-up request, the corresponding vehicle electronic tag information is extracted from the storage area to obtain the location of the vehicle, and combined with the parking lot. The map forms a route map for picking up the car and sends it to the parking space guidance screen to guide the owner to pick up the car.

Among them, the vehicle electronic tag is installed in the car and has a unique electronic code, including the license plate of the vehicle, the name of the owner, and the information of the phone.

The parking space electronic tag adopts a readable and writable electronic tag, has a unique electronic code, and includes location coordinates of the parking space and occupancy status information of the parking space, and the processor writes the occupancy information of the parking space to the parking space electronic tag, and the reader will position the parking space. The pre-occupancy information is written to the parking space electronic tag.

The in-vehicle display is connected to the vehicle electronic tag, and is used for simultaneously transmitting the parking request and the vehicle electronic tag information to the host, and the in-vehicle display establishes a communication connection with the host for exchanging information with the host.

The system includes a plurality of the parking space guidance screens, which are installed in a designated position in the parking lot, the parking space guiding screen adopts a touch display screen, and the parking space guiding screen is connected with the host computer, and the vehicle owner displays the vehicle to be taken according to the vehicle picking request information input by the vehicle owner. Take the car guide circuit diagram.

Wherein, one end of the processor is connected to the pressure sensor, the other end is connected with the parking space electronic tag, and the pressure sensor diaphragm pressure sensor measures the total pressure on the entire parking space. When there is no car in the parking space, the pressure value measured by the pressure sensor is calibrated to 0, the processor determines whether the parking space is occupied according to the measured pressure value. When the pressure value is lower than a certain threshold, the processor determines that the parking space is unoccupied; when the pressure value exceeds the threshold, the processor determines that the parking space is occupied. The threshold is set to 2000N-10000N to prevent misjudgment by the processor due to personnel or other items of low quality being in the parking space.

Among them, the owner parking steps include:

After the owner drives into the parking lot, the owner uses the in-vehicle display to send a parking request, and sends the information of the electronic tag of the vehicle connected thereto to the host. After receiving the request information, the host randomly extracts a mark from the storage area as unoccupied. The parking space electronic tag information, and the location of the unoccupied parking space is displayed on the parking lot map, and the location information of the vehicle is combined to form a guiding route map, and then the guiding route map is sent to the in-vehicle display to guide the owner to stop, and at the same time The host marks the parking space electronic tag corresponding to the extracted parking space electronic tag information as pre-occupied by the reader;

After the vehicle enters the parking space, the parking space detection module detects that the parking space is occupied, sends the occupied information of the parking space to the reader through the electronic tag of the parking space, and then sends the information to the reader through the reader, and the host combines the vehicle in the vehicle through the locator in the radio frequency base station. The information of the electronic tag determines the location of the vehicle. If the location of the vehicle coincides with the location of the electronic tag marked as pre-occupied, the vehicle is determined to be parked successfully, and the “Stop Successful” message is sent to the in-vehicle display, and the host updates the stored information and updates. The method is: electronically encoding the same information, and the received information covers the first accepted information, that is, the electronically encoded the same information, and the received information covers the first accepted information, that is, the marking information of the parking space electronic tag stored by the host at this time is If it is detected that the position of the vehicle coincides with the position of the electronic tag of the other parking space, the prompt message is sent to the in-vehicle display screen, prompting the owner to “park the parking error, please follow the guiding route to stop”.

Among them, the car owner picking up steps include:

When the owner enters the parking lot to pick up the car, enter the car license plate number on the parking space guidance screen in the parking lot. After receiving the information transmitted by the parking space guidance screen, the host extracts the corresponding vehicle electronic tag information from the storage area, and then obtains the parking space. Location and combined with the parking lot map to form a pick-up guide route and then sent to the parking space guide screen;

After the owner drives away from the parking space, the parking space detection module detects that the parking space is unoccupied, and the parking space is marked by the parking space electronic tag. The unoccupied information is sent to the reader, and then sent to the host by the reader, and the host updates the stored data by updating the same information electronically, and the received information overwrites the received information first.

Although the embodiments of the present invention have been disclosed as above, they are not limited to the applications listed in the specification and the embodiments. It can be applied to a wide variety of fields suitable for the present invention. Additional modifications can be readily implemented by those skilled in the art. The invention is therefore not limited to the specific details and the details shown and described herein, without departing from the scope of the invention.

Claims

A parking lot parking vehicle guiding system based on radio frequency technology, comprising: a parking space detecting module, a radio frequency base station, a host computer, a vehicle electronic tag, an in-vehicle display screen, and a parking space guidance screen;

The parking space detecting module comprises a pressure sensor, a processor and a parking space electronic sign, which are integrated and installed under the parking space, and are used for judging whether the parking space is occupied according to the measured pressure value on the parking space; the radio frequency base station establishes communication with the host Connecting, the radio frequency base station includes a reader and a locator; the host includes a storage area; the vehicle electronic tag is installed in the vehicle, and includes information of a license plate of the vehicle, a name of the owner, and a phone; the display screen and the interior of the vehicle The vehicle electronic tag connection is established, and the in-vehicle display screen establishes a communication connection with the host for exchanging information with the host; the parking space guidance screen is connected with the host, and displays the position information of the to-be-drawn vehicle for the vehicle owner.
The radio frequency technology-based parking lot parking vehicle guiding system according to claim 1, wherein one end of the processor is connected to the pressure sensor, and the other end is connected to the parking space electronic tag, and the pressure sensor adopts a diaphragm. a pressure sensor for measuring the total pressure on the entire parking space, the processor determining whether the parking space is occupied based on the measured pressure value, and writing the determination result to the parking space electronic tag connected thereto.
The radio frequency technology-based parking lot parking vehicle guiding system according to claim 1, wherein said radio frequency base station comprises said reader and said locator, said system comprising a plurality of radio frequency base stations, installed in parking a field specifying location, the signal radiation range covers the entire parking lot, and the reader scans the parking space electronic tag and the vehicle electronic tag to obtain the parking space position, the occupancy information, the vehicle license plate, the owner name, and the phone information, respectively. Sending the obtained information to the host; each of the radio base stations has a unique electronic code and respective position coordinates, and the locator uses an algorithm for the electronic tag with the vehicle according to the position coordinate of the radio base station The vehicle is positioned and the vehicle location information is sent to the host.
The radio frequency technology-based parking lot parking vehicle guiding system according to claim 1, wherein the host has a parking lot map, and when the host receives the parking request, randomly extracts a mark from the storage area. For the unoccupied parking space electronic tag information, and displaying the location of the unoccupied parking space on the parking lot map, forming a guiding route map in combination with the vehicle position, and then transmitting the guiding route map to the in-vehicle display screen to guide the vehicle owner to stop; When the host receives the pick-up request, the corresponding vehicle electronic tag information is extracted from the storage area, and the location of the vehicle is acquired, and the car park guide map is formed in combination with the parking lot map, and then sent to the parking space guidance screen to guide the owner. Pick up the car.
The radio frequency technology-based parking lot parking vehicle guiding system according to claim 1, wherein after the vehicle owner drives into the parking lot, the vehicle owner uses the in-vehicle display screen to send a parking request, and the host receives the request information. And randomly extracting an electronic tag information of the parking space marked as unoccupied from the storage area, displaying the position of the unoccupied parking space on the parking lot map, forming a guiding route map by combining the vehicle position information, and transmitting the guiding route map to the The in-vehicle display screen directs the owner to stop, and the host uses the reader to mark the parking space electronic tag corresponding to the extracted parking space electronic tag information as pre-occupied;

After the vehicle enters the parking space, the parking space detecting module detects that the parking space is occupied, sends the parking space occupied information to the reader through the parking space electronic tag, and then sends the information to the host for storage by the reader. Determining, by the locator, the position of the vehicle by combining the vehicle electronic tag in the vehicle, if the vehicle position and the mark are The position of the pre-occupied parking space electronic tag coincides to determine that the vehicle is parked successfully, and sends a “parking success” message to the in-vehicle display screen, and the host updates the stored information by updating the same information electronically, and then receiving the information. Covering the information received first, that is, the tag information of the parking space electronic tag stored by the host at this time is occupied; if the host detects that the location of the vehicle coincides with the position of the other electronic tags of the parking space, sending the prompt information to the location The display inside the car indicates that the owner is "parking wrong, please follow the guide route to stop."
The radio frequency technology-based parking lot parking vehicle guiding system according to claim 1, wherein when the vehicle owner enters the parking lot and picks up the vehicle, the license plate number of the vehicle to be taken is input on the parking space guidance screen in the parking lot. After receiving the information transmitted by the parking space guidance screen, the host extracts corresponding vehicle electronic tag information from the storage area, acquires the location information of the parking space, and forms a car-reporting route in combination with the parking lot map, and then sends the information to the location. Describe the parking space guidance screen to guide the owner to pick up the vehicle;

After the vehicle owner drives away from the parking space, the parking space detecting module detects that the parking space is unoccupied, and sends the unoccupied information of the parking space to the reader through the parking space electronic tag, and then sends the information to the host by the reader. The host updates the stored data.
The radio frequency technology-based parking lot parking vehicle guiding system according to claim 2, wherein when the vehicle is not in the parking space, the pressure value measured by the pressure sensor is calibrated to 0, and the processor is based on the measured pressure value. Determine whether the parking space is occupied. When the pressure value is lower than a certain threshold, the processor determines that the parking space is unoccupied; when the pressure value exceeds the threshold, the processor determines that the parking space is occupied, and the threshold is set to 2000N-10000N. .
The radio frequency technology-based parking lot parking vehicle guiding system according to claim 6, wherein the system comprises a plurality of the parking space guidance screens, which are installed in a designated position in a parking lot, and the parking space guiding screen adopts a touch The display screen is connected with the host computer, and displays a vehicle guiding route map of the vehicle to be taken according to the vehicle picking request information input by the vehicle owner.
The radio frequency technology-based parking lot parking vehicle guiding system according to claim 5, wherein the parking space electronic tag adopts a readable and writable electronic tag, has a unique electronic code, and includes position coordinates and a parking space of the parking space. Occupancy status information, the processor writes occupancy information of the parking space to the parking space electronic tag, and the reader writes pre-occupation information of the parking space to the parking space electronic tag.
The radio frequency technology-based parking lot parking vehicle guiding system according to claim 5, wherein the vehicle electronic tag is installed in the vehicle and has a unique electronic code including a vehicle license plate, a vehicle owner name and a telephone information. The vehicle electronic tag is connected to the in-vehicle display.