CN111553996A - Intelligent identification and charging system for vehicle with high speed and high identification rate - Google Patents
Intelligent identification and charging system for vehicle with high speed and high identification rate Download PDFInfo
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- CN111553996A CN111553996A CN202010391051.7A CN202010391051A CN111553996A CN 111553996 A CN111553996 A CN 111553996A CN 202010391051 A CN202010391051 A CN 202010391051A CN 111553996 A CN111553996 A CN 111553996A
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B15/00—Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points
- G07B15/06—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems
- G07B15/063—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems using wireless information transmission between the vehicle and a fixed station
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Abstract
The invention discloses a fast high-identification rate vehicle intelligent identification charging system, which comprises identification devices distributed at an entrance and an exit of a toll road section and a response terminal loaded on a vehicle, wherein the identification devices comprise transmitting data elements and receiving data elements; the vehicle is released after the balance is deducted and verified; in the implementation of the invention, the vehicle-mounted response terminal and the identification device of the entrance and exit carry out short-distance communication, so that the communication stability is better, the delay is shorter, and the rapid passing of vehicles is ensured.
Description
Technical Field
The invention relates to the field of mobile internet control, in particular to a rapid and high-recognition-rate vehicle intelligent recognition charging system.
Background
The traditional ETC vehicle identification and billing system excites a coil of a vehicle-mounted terminal by means of an inlet and outlet radio transmitting device, induced current generated by the coil enters an identity mark chip and then excites the coil to generate an electromagnetic signal again, the electromagnetic signal is decoded and identified after being received by the inlet and outlet radio transmitting and receiving device, and billing operation is carried out on vehicles by means of a completely unblocked cloud terminal which is completely interconnected.
The vehicles are driven out after frequently driving for hundreds of kilometers or even thousands of kilometers on a toll road section, the wireless communication distance of an inlet and an outlet and multiple relay gateways cause delay higher than 500ms, the charging operation of the vehicles cannot be processed in a short time, if a plurality of vehicles pass through the inlet and the outlet in a short time, the processing speed is delayed, the vehicles need to decelerate and even stop for waiting, and moreover, the identification distance of ETC equipment is short, and the vehicles need to approach a toll station to perform identification deduction verification operation.
The patent with the publication number of CN105137802A discloses an ETC intelligent brake opening system capable of identifying vehicles, which comprises a vehicle-mounted terminal, a vehicle-mounted control unit and a vehicle-mounted control unit, wherein the vehicle-mounted terminal is used for recording coded information for identifying the vehicles; the ETC card reading terminal is used for transmitting a wake-up signal to the vehicle-mounted terminal, receiving vehicle coding information returned by the vehicle-mounted terminal and uploading the vehicle coding information of the vehicle coding information returned by the vehicle-mounted terminal; the intelligent control terminal is used for receiving the vehicle coded information uploaded by the ETC card reading terminal, verifying the legality of the vehicle coded information and sending a control instruction to the gate; and the barrier gate controller is used for receiving the control instruction sent by the intelligent control terminal and controlling the gate to be opened and closed. According to the scheme, two identification devices which are far away are used for identifying and deducting the money of the vehicle, the two identification devices are communicated with each other, and once network congestion or delay increase occurs, the rapid passing of the vehicle can be influenced.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provide a rapid and high-identification-rate vehicle intelligent identification and charging system.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
a fast high-recognition rate vehicle intelligent recognition charging system comprises recognition devices distributed at an entrance and an exit of a toll road section and a response terminal loaded on a vehicle, wherein the recognition devices comprise transmitting data elements and receiving data elements;
when the vehicle drives to the entrance of the road, the entrance transmits data elements to transmit an entrance broadcasting data packet (IBDP) including an entrance number to a response terminal, and the vehicle does not need to be identified in the process, so that the passing time is further saved;
after receiving the entrance broadcasting data packet (IBDP), the response terminal adds the vehicle information into the entrance broadcasting data packet (IBDP) to form a Temporary Data Packet (TDP) and stores the Temporary Data Packet (TDP);
when the vehicle drives to the road exit, triggering the exit to transmit data packets containing the excitation signals in a broadcast manner;
after receiving, the response terminal sends a Temporary Data Packet (TDP) to an exit receiving data element;
summarizing a Temporary Data Packet (TDP) and an exit number and calculating the cost;
and (5) clearing the vehicle after the balance is deducted and verified.
Further, after the response terminal composes and stores the Temporary Data Packet (TDP), the Temporary Data Packet (TDP) is also sent and received by the entry;
the entry receives the data element and uploads a Temporary Data Packet (TDP) to a background server;
when a vehicle drives to a road exit, if the entry number in a Temporary Data Packet (TDP) received by an exit receiving data element is incomplete, retrieving and matching the entry number in a background server according to information which can determine the identity of the vehicle and contains vehicle information in the Temporary Data Packet (TDP);
through complementation of the two modes, even if one mode causes larger communication delay due to the influence of an objective environment, the other mode can also ensure the rapid passing of the vehicle and improve the integral fault tolerance of the system;
and calculating the cost according to the vehicle information, the entrance number and the exit number.
Further, information including an entry number is sequentially arranged in the entry broadcast packet (IBDP);
dividing the data blocks into data blocks with the same length, adding an integrity check block and a coding mark block at the head and the tail of each data block, wherein the data blocks, the numbering blocks and the integrity check blocks form data sections;
arranging the data blocks according to the sequence of the numbers, repeating the data blocks in a staggered manner, and finally packaging the data blocks into an entry broadcast data packet (IBDP);
the egress receiving section receives a Temporary Data Packet (TDP) including an ingress broadcast packet (IBDP) and decodes data information therein.
Further, the data blocks are arranged according to the sequence of numbers, and then are subjected to dislocation repetition, and finally are packed into an Ingress Broadcast Data Packet (IBDP), and the egress receiving data element receives a Temporary Data Packet (TDP) containing the Ingress Broadcast Data Packet (IBDP) and then decodes the data information therein, specifically including,
arranging the data blocks according to the sequence of numbers, namely 1, 2, 3, N;
then, the data blocks are arranged in a progressive staggered way, respectively
Combining the above arranged data blocks to form an ingress broadcast packet (IBDP);
the radio information is very easily influenced by the environment in the transmission process, in the process of dense traffic of a plurality of automobiles, the mutual interference of radio signals can also cause partial information loss, if the information is simply repeated and meets a section of interference signal, the repeated information is still true, the scheme breaks the original sequence and rearranges the information after the information is numbered, and even if the interference is met in the transmission process, the remaining redundant information blocks still have high probability to form complete original information;
when decoding an entry broadcast packet (IBDP), selecting a data segment that can pass integrity check, extracting data blocks therein, and arranging according to the sequence 1-N of the numbered blocks, and combining to obtain information including an entry number.
Further, the progressive misalignment is arranged up to the maximum length allowed by a single ingress broadcast packet (IBDP).
Further, the entry number in the entry broadcasting packet (IBDP) is multiplied by a large prime number private to the charging party, and the generated entry encryption number replaces the entry number in the entry broadcasting packet (IBDP);
after receiving the Temporary Data Packet (TDP), dividing the entrance encryption number by the private large prime number of the charging party to obtain the entrance number immediately;
the private large prime number of the toll collector is multiplied by the entrance number to obtain a large composite number, the holder of the response terminal cannot perform quality factor decomposition on the large prime number in a short time and cannot know the entrance number, an entrance number and the large prime number are randomly compiled and multiplied, the obtained forged large composite number can be found because the forged large composite number cannot be different from the private large prime number of the toll collector, but the toll collector divides the large composite number by the private large prime number to obtain the entrance number, and the scheme can prevent the user from disturbing the toll collection system by the compiled entrance number.
Further, the transmitting data element and the receiving data element in the entrance identification device are integrally arranged on an overhead tower crossing the road;
the transmitting data elements in the exit identification device are buried in the road surface, and the pressure sense triggers the transmitting data elements to broadcast and transmit data packets containing the excitation signals after the vehicle is rolled;
the receiving elements in the exit identification device are arranged on an overhead tower crossing the road.
Furthermore, an overhead tower is arranged on the road at the exit, and a road surface projection device is arranged on the overhead tower;
in the process of receiving Temporary Data Packets (TDP) sent by the response terminal by the exit receiving data and subsequent processing, the road surface projection device projects deceleration marks on the corresponding lanes of the response terminal;
after the balance deduction verification is carried out and the gate is opened, the road surface projection device projects a passing mark on a lane corresponding to the response terminal;
if the surplus deduction verification is not carried out, the road surface projection device projects a non-passing mark on the corresponding lane of the response terminal.
Further, if two or more vehicles at the exit are in the same lane, the road surface projection device processes the sign projection of the preceding vehicle first, and processes the sign projection of the following vehicle after the corresponding lane gate is opened.
Further, the answering terminal can only alternately receive broadcast data packets (IBDP) and transmit data packets containing the excitation signal in the broadcast transmission.
The benefit effects of the invention are:
the vehicle-mounted response terminal carries out short-distance communication with the identification device at the entrance and the exit, so that the communication stability is better, the delay is shorter, and the rapid passing of the vehicle is ensured;
and the entry transmitting data element transmits an entry broadcasting data packet (IBDP) including an entry number to the answering terminal, so that the vehicle does not need to be identified in the process, and the passing time is further saved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of an entrance of the intelligent vehicle identification and billing system according to the present invention;
FIG. 2 is a schematic view of an exit view of the intelligent vehicle identification and billing system of the present invention;
FIG. 3 is a schematic diagram of an exit view angle II of the intelligent vehicle identification and billing system of the present invention;
FIG. 4 is a schematic diagram of an overhead tower and a road surface projection device at an exit of the intelligent vehicle identification and billing system according to the present invention;
FIG. 5 is a schematic view of an identification device at an entrance;
FIG. 6 is a schematic view of the working process of the intelligent vehicle identification and billing system of the present invention;
FIG. 7 is a schematic diagram of the composition of the data segment according to the present invention;
FIG. 8 is a diagram illustrating the arrangement of data segments in the order of numbering;
FIG. 9 is a diagram illustrating a first progressive misalignment arrangement of data segments;
FIG. 10 is a diagram of a second method of progressively staggering data segments.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1-6:
the invention relates to a rapid and high-recognition rate vehicle intelligent recognition charging system, which is characterized in that: the system comprises an identification device distributed at an entrance and an exit of a toll road section and a response terminal loaded in a vehicle, wherein the identification device comprises a transmitting data element and a receiving data element;
the transmitting data element and the receiving data element in the entrance identification device are integrally arranged on an overhead tower crossing a road;
the transmitting data elements in the exit identification device are buried in the road surface, and the pressure sense triggers the transmitting data elements to broadcast and transmit data packets containing the excitation signals after the vehicle is rolled;
the receiving data in the exit identification device is arranged on an overhead tower crossing a road;
an overhead tower is arranged on the road at the exit, and a pavement projection device is arranged on the overhead tower;
in the process of receiving Temporary Data Packets (TDP) sent by the response terminal by the exit receiving data and subsequent processing, the road surface projection device projects deceleration marks on the corresponding lanes of the response terminal;
after the balance deduction verification is carried out and the gate is opened, the road surface projection device projects a passing mark on a lane corresponding to the response terminal;
if the surplus deduction verification is not carried out, the road surface projection device projects a non-passing mark on the corresponding lane of the response terminal;
if two or more vehicles at the exit are in the same lane, the road surface projection device processes the sign projection of the front vehicle firstly, and processes the sign projection of the rear vehicle after the corresponding lane gate is opened.
When the vehicle drives to the entrance of the road, the entrance transmits data elements to transmit an entrance broadcasting data packet (IBDP) including an entrance number to a response terminal, and the vehicle does not need to be identified in the process, so that the passing time is further saved;
after receiving the entrance broadcasting data packet (IBDP), the response terminal adds the vehicle information into the entrance broadcasting data packet (IBDP) to form a Temporary Data Packet (TDP) and stores the Temporary Data Packet (TDP);
when the vehicle drives to the road exit, triggering the exit to transmit data packets containing the excitation signals in a broadcast manner;
after receiving, the response terminal sends a Temporary Data Packet (TDP) to an exit receiving data element;
summarizing a Temporary Data Packet (TDP) and an exit number and calculating the cost;
and (5) clearing the vehicle after the balance is deducted and verified.
In the above-mentioned operation, compare traditional mode, rely on-vehicle response terminal and the recognition device of access & exit to carry out the short distance communication with statistics charging highway section in-process at the discernment of vehicle, compare the direct long distance communication of traditional access & exit, this scheme stability is better and postpone shorter, guarantees the quick current of vehicle.
And the entry transmitting data element transmits an entry broadcasting data packet (IBDP) including an entry number to the answering terminal, so that the vehicle does not need to be identified in the process, and the passing time is further saved.
Example two:
as shown in fig. 1-6:
a fast high-recognition rate vehicle intelligent recognition charging system comprises recognition devices distributed at an entrance and an exit of a toll road section and a response terminal loaded on a vehicle, wherein the recognition devices comprise transmitting data elements and receiving data elements;
when the vehicle drives to the road entrance, the entrance transmitting data element transmits an entrance broadcasting data packet (IBDP) including an entrance number to the response terminal;
after receiving the entrance broadcasting data packet (IBDP), the response terminal adds the vehicle information into the entrance broadcasting data packet (IBDP) to form a Temporary Data Packet (TDP) and stores the Temporary Data Packet (TDP);
after the response terminal composes and stores the Temporary Data Packet (TDP), the Temporary Data Packet (TDP) is also sent and received by the entry receiving data;
the entry receives the data element and uploads a Temporary Data Packet (TDP) to a background server;
when the vehicle drives to the road exit, triggering the exit to transmit data packets containing the excitation signals in a broadcast manner;
after receiving, the response terminal sends a Temporary Data Packet (TDP) to an exit receiving data element;
if the entry number in the Temporary Data Packet (TDP) received by the exit receiving data element is incomplete, the entry number in the background server is matched according to the information which can determine the identity of the vehicle and contains the vehicle information in the Temporary Data Packet (TDP).
Summarizing a Temporary Data Packet (TDP) and an exit number and calculating the cost;
and (5) clearing the vehicle after the balance is deducted and verified.
In the operation, compare traditional mode, through two kinds of modes complementation, even one of them mode causes great communication delay because of the influence of objective environment, another mode also can guarantee the quick current of vehicle, improves the holistic fault-tolerant rate of system.
Example three:
as shown in fig. 1-10:
a fast high-recognition rate vehicle intelligent recognition charging system comprises recognition devices distributed at an entrance and an exit of a toll road section and a response terminal loaded on a vehicle, wherein the recognition devices comprise transmitting data elements and receiving data elements;
when the vehicle drives to the road entrance, the entrance transmitting data element transmits an entrance broadcasting data packet (IBDP) including an entrance number to the response terminal, wherein the information including the entrance number in the entrance broadcasting data packet (IBDP) is divided into data blocks
Adding an integrity check block and a number block at the head and the tail of the data block, wherein the data block, the number block and the integrity check block form a data segment;
arranging the data segments according to the sequence of numbers, namely 1, 2, 3, N;
then, the data segments are arranged in a progressive staggered way, respectively
Combining the above arranged data segments to form an ingress broadcast packet (IBDP);
the radio information is very easily influenced by the environment in the transmission process, in the process of dense traffic of a plurality of automobiles, the mutual interference of radio signals can also cause partial information loss, if the information is simply repeated and meets a section of interference signal, the repeated information is still true, the scheme breaks the original sequence and rearranges the information after cutting and numbering, and even if the interference is met in the transmission process, the remaining redundant information blocks still have high probability to form complete original information.
The misalignment is progressively shifted until the maximum length allowed by a single ingress broadcast packet (IBDP).
When the vehicle drives to the road entrance, the entrance transmitting data element transmits an entrance broadcasting data packet (IBDP) including an entrance number to the response terminal;
after receiving the entrance broadcasting data packet (IBDP), the response terminal adds the vehicle information into the entrance broadcasting data packet (IBDP) to form a Temporary Data Packet (TDP) and stores the Temporary Data Packet (TDP);
when the vehicle drives to the road exit, triggering the exit to transmit data packets containing the excitation signals in a broadcast manner;
after receiving, the response terminal sends a Temporary Data Packet (TDP) to an exit receiving data element;
when decoding an entry broadcast data packet (IBDP), selecting data segments which can pass integrity check, extracting the data segments, and arranging the data segments according to the sequence 1-N of the numbering blocks, so that information including entry numbers can be obtained through combination;
summarizing information including the entrance number and the exit number and calculating the cost;
and (5) clearing the vehicle after the balance is deducted and verified.
In the operation, compared with the traditional mode, the transmitted data is repeated, even if external interference is encountered, partial data is lost, the original data can be formed at a high probability by depending on the rest data, and the equipment is not required to repeatedly transmit and occupy channel resources.
Example four:
as shown in fig. 1-6:
a fast high-recognition rate vehicle intelligent recognition charging system comprises recognition devices distributed at an entrance and an exit of a toll road section and a response terminal loaded on a vehicle, wherein the recognition devices comprise transmitting data elements and receiving data elements;
when the vehicle drives to the road entrance, the entrance transmitting data element transmits an entrance broadcasting data packet (IBDP) comprising an entrance number;
multiplying the entry number in the entry broadcasting data packet (IBDP) by a large prime number private to the charging party, and replacing the entry number in the entry broadcasting data packet (IBDP) with the generated entry encryption number;
after receiving the Temporary Data Packet (TDP), dividing the entrance encryption number by the private large prime number of the charging party to obtain an entrance number;
the private large prime number of the toll collector is multiplied by the entrance number to obtain a large composite number, the holder of the response terminal cannot perform quality factor decomposition on the large prime number in a short time and cannot know the entrance number, an entrance number and the large prime number are randomly compiled and multiplied, the obtained forged large composite number can be found because the forged large composite number cannot be different from the private large prime number of the toll collector, but the toll collector divides the large composite number by the private large prime number to obtain the entrance number, and the scheme can prevent the user from disturbing the toll collection system by the compiled entrance number.
After receiving the entrance broadcasting data packet (IBDP), the response terminal adds the vehicle information into the entrance broadcasting data packet (IBDP) to form a Temporary Data Packet (TDP) and stores the Temporary Data Packet (TDP);
when the vehicle drives to the road exit, triggering the exit to transmit data packets containing the excitation signals in a broadcast manner;
after receiving, the response terminal sends a Temporary Data Packet (TDP) to an exit receiving data element;
summarizing a Temporary Data Packet (TDP) and an exit number and calculating the cost;
and (5) clearing the vehicle after the balance is deducted and verified.
In the above operation, the user is prevented from disturbing the charging system with the entry number compiled, compared with the conventional manner.
In the description herein, references to the terms "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. The utility model provides a quick high recognition rate vehicle intelligent recognition charging system which characterized in that: the system comprises an identification device distributed at an entrance and an exit of a toll road section and a response terminal loaded in a vehicle, wherein the identification device comprises a transmitting data element and a receiving data element;
when the vehicle drives to the road entrance, the entrance transmitting data element transmits an entrance broadcasting data packet (IBDP) including an entrance number to the response terminal;
after receiving the entrance broadcasting data packet (IBDP), the response terminal adds the vehicle information into the entrance broadcasting data packet (IBDP) to form a Temporary Data Packet (TDP) and stores the Temporary Data Packet (TDP);
when the vehicle drives to the road exit, triggering the exit to transmit data packets containing the excitation signals in a broadcast manner;
after receiving, the response terminal sends a Temporary Data Packet (TDP) to an exit receiving data element;
summarizing a Temporary Data Packet (TDP) and an exit number and calculating the cost;
and (5) clearing the vehicle after the balance is deducted and verified.
2. The identification billing system of claim 1, wherein: after the response terminal composes and stores the Temporary Data Packet (TDP), the Temporary Data Packet (TDP) is also sent and received by the entry receiving data;
the entry receives the data element and uploads a Temporary Data Packet (TDP) to a background server;
when a vehicle drives to a road exit, if the entry number in a Temporary Data Packet (TDP) received by an exit receiving data element is incomplete, retrieving and matching the entry number in a background server according to information which can determine the identity of the vehicle and contains vehicle information in the Temporary Data Packet (TDP);
and calculating the cost according to the vehicle information, the entrance number and the exit number.
3. The identification billing system of claim 1, wherein: sequentially arranging information including an entry number in the entry broadcast packet (IBDP);
dividing the data blocks into data blocks with the same length, adding an integrity check block and a number block at the head and the tail of each data block, wherein the data blocks, the number blocks and the integrity check blocks form data sections;
arranging the data segments according to the sequence of the numbers, repeating the data segments in a staggered manner, and finally packaging the data segments into an entry broadcast data packet (IBDP);
the egress receiving section receives a Temporary Data Packet (TDP) including an ingress broadcast packet (IBDP) and decodes data information therein.
4. The identification billing system of claim 3, wherein: the data segments are arranged according to the sequence of numbers, then staggered and repeated, and finally packed into an entry broadcast data packet (IBDP), and the data information in the Temporary Data Packet (TDP) containing the entry broadcast data packet (IBDP) is decoded after the data segments are received by an exit receiving element,
arranging the data segments according to the sequence of numbers, namely 1, 2, 3, N;
then, the data segments are arranged in a progressive staggered way, respectively
Combining the above arranged data segments to form an ingress broadcast packet (IBDP);
when decoding an entry broadcast packet (IBDP), selecting a data segment that can pass integrity check, extracting data blocks therein, and arranging according to the sequence 1-N of the numbered blocks, and combining to obtain information including an entry number.
5. The identification billing system of claim 4, wherein: the progressive staggering is performed until the maximum length allowed by a single ingress broadcast packet (IBDP).
6. The identification billing system of claim 1, wherein: multiplying the entry number in the entry broadcasting data packet (IBDP) by a large prime number private to the charging party, and replacing the entry number in the entry broadcasting data packet (IBDP) by the generated entry encryption number;
after receiving the Temporary Data Packet (TDP), the entry number is obtained by dividing the entry encryption number by the large prime number private to the charging party.
7. The identification billing system of claim 1, wherein: the transmitting data element and the receiving data element in the entrance identification device are integrally arranged on an overhead tower crossing a road;
the transmitting data elements in the exit identification device are buried in the road surface, and the pressure sense triggers the transmitting data elements to broadcast and transmit data packets containing the excitation signals after the vehicle is rolled;
the receiving elements in the exit identification device are arranged on an overhead tower crossing the road.
8. The identification billing system of claim 1, wherein: an overhead tower is arranged on the road at the exit, and a pavement projection device is arranged on the overhead tower;
in the process of receiving Temporary Data Packets (TDP) sent by the response terminal by the exit receiving data and subsequent processing, the road surface projection device projects deceleration marks on the corresponding lanes of the response terminal;
after the balance deduction verification is carried out and the gate is opened, the road surface projection device projects a passing mark on a lane corresponding to the response terminal;
if the surplus deduction verification is not carried out, the road surface projection device projects a non-passing mark on the corresponding lane of the response terminal.
9. The identification billing system of claim 8, wherein: if two or more vehicles at the exit are in the same lane, the road surface projection device processes the sign projection of the front vehicle firstly, and processes the sign projection of the rear vehicle after the corresponding lane gate is opened.
10. The identification billing system of claim 1, wherein: the answering terminal can only alternately receive broadcast data packets (IBDP) and transmit data packets containing the excitation signal in the broadcast transmission.
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| CN202010391051.7A CN111553996A (en) | 2020-05-11 | 2020-05-11 | Intelligent identification and charging system for vehicle with high speed and high identification rate |
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Application publication date: 20200818 |