CN109712405B - Vehicle identification method and system - Google Patents
Vehicle identification method and system Download PDFInfo
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- CN109712405B CN109712405B CN201910059188.XA CN201910059188A CN109712405B CN 109712405 B CN109712405 B CN 109712405B CN 201910059188 A CN201910059188 A CN 201910059188A CN 109712405 B CN109712405 B CN 109712405B
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Abstract
The invention discloses a vehicle identification method and a system, which adopt a server side, a client side, a terminal, a Bluetooth transparent transmission beacon and a Bluetooth positioning beacon, acquire a Bluetooth positioning beacon broadcast signal through the client side, determine the time of a vehicle passing through a preset position and transmit the time to the terminal, and the terminal identifies the sequence of the vehicle passing through the preset position according to the time of the vehicle passing through the preset position, thereby realizing automatic vehicle identification. By adopting the vehicle identification method, a user can complete a series of processes such as entrance, charging, fee deduction, departure and the like without additionally installing equipment or binding license plate numbers and other operations in advance, so that the user experience is improved, the application cost is low, and the vehicle identification method is beneficial to large-scale popularization and application.
Description
Technical Field
The invention relates to the technical field of intelligent traffic, in particular to a vehicle identification method and system.
Background
With the rapid development of domestic expressways and the rapid increase of the number of private cars, electronic non-stop vehicle identification systems (ECT) are widely used. Among them, automatic vehicle identification technology (AVI) is a key technology of ECT.
At present, AVI is mainly realized by a license plate recognition technology, vehicle images are collected by a snapshot camera, and license plate recognition is completed by an image processing algorithm so as to distinguish different vehicles. However, the license plate recognition technology needs a user to purchase and install the accessory equipment for binding in advance when realizing automatic and rapid payment of the vehicle fee, and the vehicle cannot be replaced at any time and any place. The license plate recognition technology is complex to operate and large in user investment.
Disclosure of Invention
In view of the above, it is necessary to provide a vehicle identification method and a vehicle identification system for solving the above problems in the prior art.
A vehicle identification method adopts a server side, a client side, a terminal, a Bluetooth transparent transmission beacon and a Bluetooth positioning beacon, wherein the client side is respectively connected with the Bluetooth transparent transmission beacon and the Bluetooth positioning beacon through Bluetooth, the server side is connected with the client side through wide area network communication, the Bluetooth transparent transmission beacon is connected with the terminal through a line, and the vehicle identification method comprises the following steps:
s100, a client side located in a vehicle receives a data packet broadcasted by a Bluetooth transparent transmission beacon to obtain a unique universal identification code of an entrance and an exit, and applies for the server side according to the unique universal identification code of the entrance and the exit and obtains an entrance and exit certificate of the vehicle;
s200, the client receives a positioning signal broadcasted by the Bluetooth positioning beacon, obtains the time when the vehicle passes through a first preset position according to the positioning signal and transmits the time to the terminal;
s300, the terminal receives the time when the vehicle passes through the first preset position through the Bluetooth transparent transmission beacon, determines the sequence of the vehicle passing through the first preset position, and binds the vehicle with the client.
In the vehicle identification method according to the present invention, the step S100 includes:
s110, the client receives a data packet broadcasted by a Bluetooth transparent transmission beacon based on a Bluetooth communication protocol, and extracts an entrance universal unique identification code, wherein the entrance universal unique identification code comprises user identity information, place information and time information;
s120, the client applies for the vehicle access voucher to the server side based on the access universal unique identification code;
s130, the server side responds to the vehicle access voucher of the client side;
and S140, the client transparently transmits the access certificate of the vehicle to the terminal through the Bluetooth transparent transmission beacon.
In the vehicle identification method provided by the present invention, the bluetooth positioning beacon is deployed at a first preset position at an entrance, and the step S200 includes:
s210, the client receives the positioning signal of the Bluetooth positioning beacon and acquires a rolling code representing the sending time of the positioning signal and the signal intensity corresponding to the rolling code;
s220, calculating the maximum value of the signal strength, and determining a rolling code corresponding to the maximum signal strength received by the client according to the maximum value of the signal strength;
and S230, determining the time when the vehicle passes through the first preset position according to the rolling code corresponding to the maximum signal intensity.
In the vehicle identification method provided by the present invention, after the step S300, a payment step S400 is further included, and the payment step S400 includes:
s410, the terminal informs the client to pay through the Bluetooth transparent transmission beacon;
s420, the client applies for payment to the server based on the hypertext transfer protocol;
s430, the server generates a payment service number, provides a password-free payment interface, and responds to the completion of the client payment based on a hypertext transfer protocol;
and S440, the client responds to the completion of the terminal payment through the Bluetooth transparent transmission beacon.
In the vehicle identification method provided by the present invention, after the step S300 and after the step S400, the method further includes a vehicle release control step S500, and the step S500 employs a barrier including:
s510: the terminal judges that the vehicle enters a channel of the barrier gate, verifies the validity of the vehicle according to the access certificate, and controls the barrier gate to be opened to release the vehicle;
s520: the terminal detects the vehicle traffic state and transmits the vehicle traffic state to the client;
s530: the client transparently transmits and responds the terminal vehicle passing state and reports the terminal vehicle passing state to the server;
s540: the server side responds to the client side to terminate or end the toll transaction with the vehicle.
A vehicle identification system comprising the client, the server, the terminal, the bluetooth pass-through beacon and the bluetooth positioning beacon of the vehicle identification method according to claim 1;
the Bluetooth positioning beacon is deployed at a first preset position at an entrance and an exit and broadcasts a positioning signal according to a preset time interval;
the Bluetooth transparent transmission beacon is deployed at a second preset position at an entrance and an exit and broadcasts a data packet;
the client is respectively connected with the Bluetooth transparent transmission beacon and the Bluetooth positioning beacon through Bluetooth and establishes transparent transmission with a terminal through the Bluetooth transparent transmission beacon; the client is used for receiving a data packet broadcasted by the Bluetooth transparent transmission beacon to acquire a unique universal identification code of an entrance and an exit, applying for the server according to the unique universal identification code of the entrance and the exit and acquiring an entrance and exit certificate of the vehicle; the client receives a positioning signal broadcasted by the Bluetooth positioning beacon, obtains the time when the vehicle passes through a first preset position according to the positioning signal and transmits the time to the terminal;
the terminal determines the sequence of the vehicles passing through the first preset position according to the time of the vehicles passing through the first preset position, and binds the vehicles with the client according to the received access voucher of the vehicles;
and the server side is used for sending the access voucher of the vehicle to the client side according to the application of the client side.
The vehicle identification system provided by the invention comprises a preset position, wherein the server side is also used for managing a collection account and user real-name verification, and generating a unique payment service number according to the access universal unique identification code, and the access universal unique identification code comprises user identity information, place information and time information.
In the vehicle identification system provided by the invention, the client receives the positioning signal of the Bluetooth positioning beacon, acquires the rolling code representing the sending time of the positioning signal and the signal intensity corresponding to the rolling code, determines the maximum value of the signal intensity, and determines the rolling code corresponding to the maximum signal intensity received by the client according to the maximum value of the signal intensity; and determining the time when the vehicle passes through the first preset position according to the rolling code corresponding to the maximum signal intensity.
In the vehicle identification system provided by the invention, after the terminal identifies the vehicle sequence and binds the client with the vehicle, the terminal informs the client to pay through the Bluetooth transparent transmission beacon; the client applies for payment to the server based on the hypertext transfer protocol; the server generates a unique payment service number, provides a password-free payment interface, and responds to the completion of the client payment based on a hypertext transfer protocol; and the client responds to the completion of the terminal payment through the Bluetooth transparent transmission beacon.
In the vehicle identification system provided by the invention, the terminal controls the barrier gate to be opened when a vehicle enters a channel of the barrier gate and the vehicle is verified to be effective according to the access certificate, detects the vehicle passing state and transmits the vehicle passing state to the client; the client transparently transmits and responds the terminal vehicle passing state and reports the terminal vehicle passing state to the server; the server side answers the client side to terminate or end the charging transaction with the vehicle; the vehicle identification system further comprises ultrasonic ranging units arranged at two ends of the barrier and used for detecting the vehicle passing state.
According to the vehicle identification method and the vehicle identification system, the time of the vehicle passing through the Bluetooth positioning beacon is obtained according to the Bluetooth positioning beacon received by the client, so that the terminal can distinguish different vehicles according to the time of the vehicle passing through the Bluetooth positioning beacon, and the automatic vehicle identification and charging are realized in scenes such as expressways, parking lots or charging bridges. The vehicle identification method and the vehicle identification system can be applied to places such as highways, parking lots, toll bridges and the like, and have the following beneficial effects:
(1) the AVI system based on the Bluetooth positioning beacon has lower cost. The user does not need to additionally install equipment and bind the license plate number, the input cost is far lower than that of an AVI system based on the license plate recognition technology, and the large-scale popularization and application are facilitated.
(2) The vehicle identification system provided by the invention is convenient to operate. By registering places such as expressways, parking lots, toll bridges and the like in a network server, a user can realize a payment function only by registering an application program of a client in advance; and the user can pay for the driving vehicle by adopting the same payment account without being limited by the license plate, so that the card full-pass is realized, and the user experience is improved.
Drawings
FIG. 1 is a block flow diagram of a vehicle identification method in accordance with an embodiment of the present invention;
FIG. 2 is a diagram of the relationship of the elements of the vehicle identification system in accordance with one embodiment of the present invention;
fig. 3 is a schematic deployment diagram of units of the vehicle identification system according to an embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In one embodiment, as shown in fig. 1, a server, a client, a terminal, a bluetooth transparent transmission beacon and a bluetooth positioning beacon are adopted, the client is connected to the bluetooth transparent transmission beacon and the bluetooth positioning beacon through bluetooth, the server is connected to the client through a wide area network, the bluetooth transparent transmission beacon is connected to the terminal through a line, and the vehicle identification method includes the following steps:
s100, a client side located in the vehicle receives a data packet broadcasted by a Bluetooth transparent transmission beacon to obtain a unique universal identification code of an entrance and an exit, and applies for the server side according to the unique universal identification code of the entrance and the exit and obtains an entrance and exit certificate of the vehicle.
In an embodiment, step S100 comprises:
s110, the client receives a data packet broadcasted by a Bluetooth transparent transmission beacon based on a Bluetooth communication protocol, and extracts an entrance universal unique identification code, wherein the entrance universal unique identification code comprises user identity information, place information and time information;
s120, the client applies for the vehicle access voucher to the server side based on the access universal unique identification code;
s130, the server side responds to the vehicle access voucher of the client side;
and S140, the client transparently transmits the access certificate of the vehicle to the terminal through the Bluetooth transparent transmission beacon.
Specifically, when a client in the vehicle enters a signal coverage range, the client receives a broadcast data packet of the bluetooth transparent transmission beacon, extracts identity information in the universal unique identification code of the entrance, location information of an expressway, a parking lot and a toll bridge entrance and an exit, and obtains time information of the universal unique identification code of the entrance and the exit. The client applies for and obtains the access voucher from the server according to the universal unique identification code of the access, and transmits the access voucher to the terminal of the access through the Bluetooth transparent transmission beacon. The identity information of the universal unique identification code at the entrance covers an identity card and a unique code of mobile phone equipment; the location information indicates which station, whether it is an entrance or an exit; the time information is based on the time of the background receiving the unique universal identification code acquired by the user information request.
S200, the client receives the positioning signal broadcasted by the Bluetooth positioning beacon, obtains the time when the vehicle passes through a first preset position according to the positioning signal and transmits the time to the terminal.
In the above embodiment, the first preset position is a position where the bluetooth positioning beacon is distributed, and the position where the bluetooth positioning beacon is distributed is at least one distribution point on a vertical plane on both sides of the highway at the exit and the entrance, where the step S200 includes:
s210, the client receives the positioning signal of the Bluetooth positioning beacon and acquires a rolling code representing the sending time of the positioning signal and the signal intensity corresponding to the rolling code;
s220, calculating the maximum value of the signal strength, and determining a rolling code corresponding to the maximum signal strength received by the client according to the maximum value of the signal strength;
and S230, determining the time when the vehicle passes through the first preset position according to the rolling code corresponding to the maximum signal intensity.
Specifically, the bluetooth positioning beacon broadcasts a signal to the surroundings every 20 milliseconds, and the clients receive the broadcasted signal at intervals. And after each broadcast time interval, the numerical value of the rolling code is added with 1, the rolling code is 16-bit unsigned integer number, and the numerical value of the rolling code returns to zero after overflowing. Upon receipt of the broadcast signal, the signal may indicate which bluetooth positioning beacon the broadcast signal came from, and the current received signal strength and rolling code may be obtained.
Specifically, in the process that a client in the vehicle passes through the coverage range of the bluetooth positioning beacon signals from left to right, the acquired signal intensity of each bluetooth positioning beacon changes from small to large and then from large to small, and the rolling code corresponding to the signal with the maximum intensity is the time when the vehicle passes through the bluetooth positioning beacon. The maximum strength of the Bluetooth positioning beacon is calculated, and the rolling code corresponding to the maximum signal strength received by the client is determined, so that the time of the vehicle passing through the Bluetooth positioning beacon can be calculated.
S300, the terminal receives the time when the vehicle passes through the first preset position through the Bluetooth transparent transmission beacon, determines the sequence of the vehicle passing through the first preset position, and binds the vehicle and the client side by combining an access certificate.
Specifically, the time of the vehicle passing through the Bluetooth positioning beacon is calculated according to the rolling code corresponding to the maximum signal intensity of the Bluetooth positioning beacon, and different vehicles pass through the Bluetooth positioning beacon at different times, so that the terminal can distinguish the vehicle sequence according to different times, automatic identification of the vehicle is realized, and the vehicle is bound with the client.
In one embodiment, the step S300 is followed by a payment step S400, and the payment step S400 includes:
s410, the terminal informs the client to pay through the Bluetooth transparent transmission beacon;
s420, the client applies for payment to the server based on the hypertext transfer protocol;
s430, the server generates a payment service number, provides a password-free payment interface, and responds to the completion of the client payment based on a hypertext transfer protocol;
and S440, the client responds to the completion of the terminal payment through the Bluetooth transparent transmission beacon.
Specifically, the bluetooth pass-through beacons are arranged at a second preset position, and the second preset position is that at least one bluetooth pass-through beacon is distributed on a vertical plane of a road at an entrance and an exit.
According to the vehicle identification method provided by the invention, a user does not need to additionally install equipment and does not need to bind the license plate number in advance, the input cost is far lower than that of an automatic vehicle identification system based on a license plate identification technology, and the vehicle identification method is beneficial to large-scale popularization and application.
In order to facilitate a better understanding of the above-described vehicle identification method, a detailed explanation is given below in connection with a vehicle identification system having the functions of the above-described method.
As shown in fig. 2 and 3, the vehicle identification system includes a client 100, a server 200, a terminal 300, a bluetooth transparent transmission beacon 400, and a bluetooth positioning beacon 500 included in the vehicle identification method. The client 100 is connected to the bluetooth transparent transmission beacon 400 and the bluetooth positioning beacon 500 through bluetooth, the server 200 is connected to the client 100 through wide area network communication, and the bluetooth transparent transmission beacon 400 is connected to the terminal 300 through a line.
In the vehicle identification system provided by the invention, the bluetooth positioning beacon 500 is deployed at a first preset position at an entrance and broadcasts a positioning signal according to a preset time interval. The first preset position is at least one distribution point respectively arranged on the vertical planes at the two sides of the highway at the outlet and the inlet.
Specifically, according to the propagation principle of bluetooth signal strength in air: in the same transmitting power, the same receiving sensitivity and the same space, the strength of the bluetooth signal is reduced along with the increase of the distance, in the process that the vehicle passes through the signal coverage range of the bluetooth positioning beacon 500 from left to right, the signal strength of each bluetooth positioning beacon acquired by the client 100 is changed from small to large, then the signal strength is changed from large to small, the sampled bluetooth positioning beacon data is subjected to peak value calculation, the rolling code value when the vehicle passes through the bluetooth positioning beacon 500 can be obtained, and the time when the vehicle passes through the bluetooth positioning beacon 500 can be calculated through the rolling code.
Further, the Bluetooth positioning Beacon 500 uses Beacon format broadcast packets with UUIDs of FDA50693-A4E2-4FB1-AFCF-C6EB07647825, Major of 0x59, 0x44, Minor of 0x54, 0x30 and 0x54, 0x 31; GAP _ ADTYPE _ LOCAL _ NAME _ COMPLETE is AFC _0xxxxx and AFC _1xxxxx, wherein xxxxx represents the number, GAP _ ADTYPE _32BIT _ MORE is UUID of places such as expressway, parking lot and toll bridge, GAP _ ADTYPE _16BIT _ MORE is 0x4459 is rolling code Service ID, and the key value is rolling code.
In the vehicle identification system provided by the present invention, the bluetooth pass-through beacon 400 is deployed at a second preset position at the entrance and exit and broadcasts a data packet, that is, at least one bluetooth pass-through beacon 400 is distributed on the vertical plane of the entrance and exit roads, and the bluetooth pass-through beacon 400 is used for establishing transparent transmission between the client 100 and the terminal 300.
Specifically, the bluetooth pass-through beacon 400 is used to support the following commands and functions, including acknowledgement, negative acknowledgement; valid credentials, valid location; request payment and service completion; inquiring the equipment name and modifying the equipment name; inquiring UUIDs of places such as a highway, a parking lot and a toll bridge section, and modifying the UUIDs of the places such as the highway, the parking lot and the toll bridge section; inquiring the beacon UUID and modifying the beacon UUID; inquiring the beacon MAJOR, and modifying the beacon MAJOR; inquiring beacon MINOR, modifying beacon MINOR; inquiring the service UUID and modifying the service UUID; inquiring TX POWER, and modifying TX POWER; starting broadcasting and stopping broadcasting; inquiring a beacon MAC; bluetooth connection notification, bluetooth disconnection notification.
Further, the bluetooth pass-through Beacon 400 uses Beacon format broadcast packets with UUID of FDA50693-A4E2-4FB1-AFCF-C6EB07647825, Major of 0x59, 0x44, Minor of 0x54, 0x30 and 0x54, 0x 31; GAP _ ADTYPE _ LOCAL _ NAME _ COMPLETE is AFC _ ENTRY0 and AFC _ ENTRY1, GAP _ ADTYPE _32BIT _ MORE (Service: MORE 32-BIT UUIDs available) UUIDs of places such as expressways, parking lots and toll bridges, and GAP _ ADTYPE _16BIT _ MORE (Service: MORE 16-BIT UUIDs available) is 0xFFF 0; the bluetooth transparent transmission beacon 400 comprises 1 custom Profile, wherein the Profile comprises a service, and the service UUID is 0xFFF 0; the service comprises 3 characteristic values which are respectively used for writing, reading and notification, UUIDs are respectively 0xFFF1, 0xFFF2 and 0xFFF3, the data length is 20 bytes, the data format is 2-byte synchronous head 0xFF55, the data length of one byte is maximum 16 bytes, the data does not satisfy 16-byte length, and zero padding is used for accumulating and checking one byte.
The client 100 in the vehicle identification system provided by the present invention is configured to receive the data packet broadcast by the bluetooth transparent transmission beacon 400 and the signal broadcast by the bluetooth positioning beacon 500, obtain the unique universal identification code of the entrance, analyze the signal broadcast by the bluetooth positioning beacon 500 by executing an application program, further obtain the time when the vehicle passes through the preset position, transmit the time when the vehicle passes through the preset position to the terminal 300, and apply for payment to the server 200.
Specifically, the client 100 applies for registering a user account and managing user personal information and account information to the server 200; providing payment for the user to the management units of the places such as the expressway, the parking lot, the toll bridge section and the like; scanning, distinguishing and connecting the bluetooth transparent transmission beacon 400, and transmitting user information and service information to the bluetooth transparent transmission beacon 400; scanning and distinguishing the Bluetooth positioning beacon 500, collecting a Bluetooth positioning beacon broadcast signal of the Bluetooth positioning beacon 500, analyzing a rolling code corresponding to the Bluetooth positioning beacon signal and recording; and calculating the collected Bluetooth positioning beacon signals to obtain the rolling codes corresponding to the signals with the maximum strength of the Bluetooth positioning beacon 400.
Specifically, the client 100 is connected to the server 200 in data communication based on the hypertext transfer protocol, and uses HTTP request, and the data format is JSON. The client 100 is in communication connection with the bluetooth transparent transmission beacon 400 and the bluetooth positioning beacon 500 by adopting a bluetooth communication protocol, the GAP and GATT protocols are used, the service utility self-defined Profile is used, the self-defined service UUID is 0xFFF0, 3 characteristic values are self-defined, the data length is 20 bytes, the data format comprises a synchronization header, the data length, data and a check code, the functions are writing, reading and notifying respectively, and the UUIDs are 0xFFF1, 0xFFF2 and 0xFFF3 respectively.
In the vehicle identification system provided by the invention, the server 200 is used for providing access credentials of a highway intersection, a parking lot or a charging bridge section for the client 100 and providing a password-free payment interface for a user.
Specifically, the server 200 may register UUIDs of all the places such as the highway, the parking lot, the toll bridge, and the like; generating a unique service number for a user to apply to access places such as a highway, a parking lot, a charging bridge section and the like each time; recording the collection account numbers, the charge standards and the charge formulas of all administrative units such as highways, parking lots, charge bridge sections and the like, and providing different collection account numbers for users according to different services; managing user information, account information and real name verification; and a WeChat, Payment treasure and Unionpay secret-free payment interface is provided for the user.
In one embodiment, the terminal 300 identifies the sequence of the vehicles passing through the preset positions according to the time of the vehicles passing through the preset positions transmitted by the client 100.
Specifically, the terminal 300 determines whether the vehicle enters a barrier gate channel, verifies the validity of the vehicle, opens the barrier gate, and releases the vehicle; when the vehicle exits from the exit, the validity of the vehicle is verified, the payment request is transmitted to the client APP bound with the vehicle in a transparent mode, and the terminal 300 opens the barrier gate and releases the vehicle after receiving the successful command of the transparent transmission payment. The terminal 300 supports serial port communication, serial port parameters include a baud rate of 115200, 8 bits of data bits, no check bit and 1 bit of stop bit, the maximum data length is 128 bytes, the data format is a 2-byte synchronous header 0xFF55, the data length of one byte and the accumulation and check of one byte can complete serial port commands and functions of the Bluetooth positioning beacon 500 and the Bluetooth transparent transmission beacon 400.
In one embodiment, as shown in fig. 3, the vehicle identification system of the present invention further includes ultrasonic ranging units 600 disposed at both ends of the barrier, the ultrasonic ranging units 600 being used to detect a situation where the vehicle passes through the barrier.
Specifically, at exits of places such as highways, parking lots, and toll bridges, the user payment flow is as follows: the terminal 300 computer transparently notifies the client 100 of the APP payment; the APP of the client 100 applies for payment to the server 200; the server side responds to the completion of the APP payment of the client side 100; the APP transparent transmission response terminal 300 of the client 100 completes payment; the terminal 300 controls the barrier gate to release the vehicle; the ultrasonic ranging unit 600 detects whether the vehicle passes through a barrier and informs the terminal 300; the terminal 300 transparently transmits the APP vehicle of the client 100 to pass through a barrier; APP transparent transmission response terminal 300 of client 100; the APP of the client 100 informs the server 200 that the vehicle passes the barrier successfully; the server side 200 responds to the APP of the client side 100 and the payment transaction is ended.
The vehicle identification system adopts a vehicle sequence identification method based on the Bluetooth positioning beacon, places such as a highway, a parking lot, a toll bridge section and the like are registered in a network server, and a user only needs to register in an application program of a client in advance to realize a payment function, so that the operation is convenient and fast; and the user can pay for the driving vehicle by adopting the same payment account without being limited by the license plate, so that the card full-pass is realized, and the user experience is improved.
While the invention has been described with reference to preferred embodiments, it is not intended to be so limited. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present invention is subject to the scope defined by the claims.
Claims (10)
1. A vehicle identification method is characterized in that a server side, a client side, a terminal, a Bluetooth transparent transmission beacon and a Bluetooth positioning beacon are adopted, the client side is connected with the Bluetooth transparent transmission beacon and the Bluetooth positioning beacon through Bluetooth respectively, the server side is connected with the client side through wide area network communication, the Bluetooth transparent transmission beacon is connected with the terminal through a line, and the vehicle identification method comprises the following steps:
s100, a client side located in a vehicle receives a data packet broadcasted by a Bluetooth transparent transmission beacon to obtain a unique universal identification code of an entrance and an exit, and applies for the server side according to the unique universal identification code of the entrance and the exit and obtains an entrance and exit certificate of the vehicle;
s200, the client receives positioning information broadcasted by the Bluetooth positioning beacon, and obtains the time when the vehicle passes through a preset position according to the positioning information; the S200 includes: receiving positioning information of the Bluetooth positioning beacon according to a client, wherein the positioning information comprises a rolling code representing signal sending time, and acquiring signal intensity according to the information to calculate the maximum value of the signal intensity; determining a rolling code corresponding to the maximum signal strength received by the client according to the maximum signal strength; determining the time of the vehicle passing through the Bluetooth positioning beacon according to the rolling code corresponding to the maximum signal intensity;
s300, the terminal receives the time of the vehicle passing through the Bluetooth positioning beacon from the client through the Bluetooth transparent transmission beacon, so that the sequence of the vehicle passing through the Bluetooth positioning beacon is determined, and the vehicle is bound with the client.
2. The vehicle identification method according to claim 1, wherein the S100 includes:
s110, the client receives a data packet broadcasted by a Bluetooth transparent transmission beacon based on a Bluetooth communication protocol, and extracts an entrance universal unique identification code;
s120, the client applies for the vehicle access voucher to the server side based on a hypertext transfer protocol;
s130, the server side responds to the access voucher of the vehicle of the client side on the basis of a hypertext transfer protocol;
and S140, the client transparently transmits the access certificate of the vehicle to the terminal through the Bluetooth transparent transmission beacon.
3. A vehicle identification method as claimed in claim 1, wherein the location of the distribution of the bluetooth positioning beacon comprises at least one distribution point disposed on a vertical plane on both sides of the highway at the entrance and the exit, respectively.
4. The vehicle identification method according to claim 1, wherein when the vehicle is at the exit, said S300 is followed by a payment step S400, said payment step S400 comprising:
s410, the terminal informs the client to pay through the Bluetooth transparent transmission beacon;
s420, the client applies for payment to the server based on the hypertext transfer protocol;
s430, the server provides a password-free payment interface, and responds to the completion of the client payment based on a hypertext transfer protocol;
and S440, the client responds to the completion of the payment of the exit terminal through the Bluetooth transparent transmission beacon.
5. The vehicle identification method according to claim 4, wherein after the step S300 and after the step S400 of paying the fee, the method further comprises a step S500 of controlling vehicle departure, wherein the step S500 of controlling vehicle departure adopts a barrier, and comprises the steps of:
s510: the terminal judges that the vehicle enters a channel of the barrier gate, verifies the validity of the vehicle, and controls the barrier gate to be opened to release the vehicle;
s520: the terminal detects whether the vehicle passes through a barrier gate or not and transmits the passing state of the vehicle to the client;
s530: the client transparently transmits and responds the terminal vehicle passing state and reports the vehicle passing state to the server;
s540: the server side responds to the client side to terminate or end the toll transaction with the vehicle.
6. A vehicle identification system, comprising a client, a server, a terminal, a bluetooth pass-through beacon and a bluetooth positioning beacon according to the vehicle identification method of claim 1, wherein the client is connected to the bluetooth pass-through beacon and the bluetooth positioning beacon through bluetooth, respectively, the server is connected to the client through wide area network communication, and the bluetooth pass-through beacon is connected to the terminal through a line, wherein:
the client is used for receiving the data packet broadcasted by the Bluetooth transparent transmission beacon and the signal broadcasted by the Bluetooth positioning beacon, acquiring a unique universal identification code of an entrance and an exit, receiving positioning information of the Bluetooth positioning beacon according to the client, wherein the positioning information comprises a rolling code representing signal sending time, and acquiring signal intensity according to the positioning information to calculate the maximum value of the signal intensity; determining a rolling code corresponding to the maximum signal strength received by the client according to the maximum signal strength; determining the time of the vehicle passing through the Bluetooth positioning beacon according to the rolling code corresponding to the maximum signal intensity;
and transmitting the time of the vehicle passing through the Bluetooth positioning beacon to the terminal, and applying for payment to the server side.
7. The vehicle identification system according to claim 6,
the vehicle identification system comprises a preset position, wherein the preset position comprises the distribution position of the Bluetooth positioning beacon, and the distribution position of the Bluetooth positioning beacon comprises at least one distribution point which is respectively arranged on vertical planes at two sides of a highway at an exit and an entrance; the Bluetooth positioning beacon is used for broadcasting positioning information according to a certain time interval, and the positioning information comprises signal intensity and a rolling code representing the signal sending time;
the Bluetooth transparent transmission beacon is deployed at an entrance or an exit, at least one Bluetooth transparent transmission beacon is distributed on the vertical surface of an entrance or exit road, the Bluetooth transparent transmission beacon is used for establishing transparent transmission between a client and a terminal and broadcasting a data packet, and the data packet comprises a unique universal identification code of the entrance or the exit;
the server side is used for providing access credentials of a high-speed intersection, a parking lot or a charging bridge section for the client side and providing a password-free payment interface for a user;
and the terminal identifies the sequence of the vehicles passing through the preset positions according to the time of the vehicles passing through the preset positions transmitted by the client.
8. The vehicle identification system of claim 6, wherein after each broadcast time interval of the Bluetooth positioning beacon, the rolling code is incremented by 1, wherein the rolling code is a 16-bit unsigned integer, and wherein the rolling code is decremented by a zero cycle after an overflow.
9. The vehicle identification system of claim 6, wherein the server is further configured to manage a universal unique identification code of the highway, parking lot or toll bridge, generate a unique payment service number, manage user information, account information and real name verification, and manage collection account numbers of management units of the highway, parking lot or toll bridge.
10. The vehicle recognition system of claim 6, further comprising ultrasonic ranging units disposed at both ends of the barrier for detecting a condition that the vehicle passes through the barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910059188.XA CN109712405B (en) | 2019-01-22 | 2019-01-22 | Vehicle identification method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910059188.XA CN109712405B (en) | 2019-01-22 | 2019-01-22 | Vehicle identification method and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109712405A CN109712405A (en) | 2019-05-03 |
| CN109712405B true CN109712405B (en) | 2021-10-26 |
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| CN112598811B (en) * | 2020-12-14 | 2022-03-18 | 星觅(上海)科技有限公司 | Road charging method, device, equipment and medium |
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