CN112562104A - Programmable self-adaptive single-chip vehicle-mounted unit - Google Patents
Programmable self-adaptive single-chip vehicle-mounted unit Download PDFInfo
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- CN112562104A CN112562104A CN202011352503.7A CN202011352503A CN112562104A CN 112562104 A CN112562104 A CN 112562104A CN 202011352503 A CN202011352503 A CN 202011352503A CN 112562104 A CN112562104 A CN 112562104A
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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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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Abstract
The invention discloses a programmable self-adaptive single-chip vehicle-mounted unit, belongs to the technical field of physics relating to an automatic toll collection system, and solves the problem that the conventional OBU cannot be self-adaptively compatible with new and old ETC systems of different provinces. The invention relates to a programmable adaptive monolithic on-board unit, comprising: the system disk of the digital processing unit is respectively provided with the OBU systems with different versions in two partitions, and the radio frequency unit receives activation request information which is sent by the road side unit and carries activation codes of the OBU systems with the corresponding versions, so that the corresponding OBU system versions are started. According to the invention, the latest version of the OBU system is downloaded from the network platform to the digital processing unit through the 5G communication module so as to cover the obsolete version of the OBU systems installed in the first partition and the second partition, so that the OBU is suitable for the software upgrade of the ETC system, the OBU is not required to be replaced, and the upgrade and update of the OBU are completed through the software upgrade.
Description
Technical Field
The invention relates to an intelligent traffic technology, in particular discloses a programmable self-adaptive monolithic vehicle-mounted unit, and belongs to the technical field of physics relating to an automatic toll collection system.
Background
Two highway payment modes in operation are a semi-automatic payment mode and a background automatic accounting and deducting mode respectively, the semi-automatic payment mode is realized through a highway Composite Pass Card (CPC), and the background automatic accounting and deducting mode is completed through an Electronic Toll Collection (ETC) system including a vehicle passing On-board Unit (OBU).
The CPC card is a composite pass card with a path identification function, and the CPC card is issued at an entrance, and the pass path is confirmed and the charge is charged by receiving the card at an exit. The charging mode has two problems, one is that the CPC card is suitable for path identification of a distance, and the existing path identification technology and CPC card cannot handle such a large path node; secondly, the cost of the CPC card is generally higher than that of a common IC card, and the purchasing, maintenance and trans-provincial passing allocation cost of the CPC card is higher.
In the existing ETC charging system, an ETC vehicle automatically finishes fee deduction through OBU and background accounting running, and finishes transaction through interaction between a roadside Unit (RSU) beside a lane and the OBU on a vehicle coming and going. However, the existing double-card type OBU is put into use, the double-card type OBU is composed of an electronic tag and an IC card, and the electronic wallet offline charging adopted by the charging mode cannot meet the requirement of 'post-charging' in a free flow mode. In addition, the existing ETC system has a rail in the lane design of the electronic toll collection of the special lane, and the development requirement of free flow is difficult to meet.
The most feasible way to solve the problems caused by the two charging methods is to use a single OBU. On one hand, the single-chip OBU has low cost, is convenient to rapidly popularize and promote nationwide, and replaces a CPC card which is difficult to manage; on the other hand, the reliability and the transaction success rate of the single-chip OBU are higher than those of the CPC card and the double-card OBU, and the transition from the future highway charging to the full free flow mode is also complied with. The single-chip OBU adopts a high-integration chip design scheme, the equipment mainly comprises a chip set, a battery, a peripheral circuit and a shell, the chip set integrates an Embedded Secure Access Module (ESAM), a Micro Control Unit (MCU) and a Dedicated Short Range Communication (DSRC) Module, and the DSRC Module communicates with an ETC antenna to complete identity authentication and charging transaction. Compared with a double-chip OBU, the single-chip OBU cancels the IC card and the read-write card circuit, only keeps a necessary circuit structure, reduces power consumption and shortens transaction time.
At present, a highway network in China is huge, numerous nodes exist, when an ETC system and hardware are updated, part of provinces must be updated in time, and the problem that an OBU cannot be compatible with new and old ETC systems of different provinces is caused. Generally, the whole update cycle of the ETC system is about two or three years, which may cause the problem that different provinces cannot pass due to different versions of the ETC system.
Disclosure of Invention
The invention aims to provide a programmable self-adaptive single-chip vehicle-mounted unit aiming at the defects of the background technology, software updating of different provincial ETC systems is realized through a digital processing unit with a dual-system OBU, and the technical problem that the existing OBU cannot be self-adaptively compatible with different provincial new and old ETC systems is solved.
The invention adopts the following technical scheme for realizing the aim of the invention:
the invention provides a programmable adaptive monolithic vehicle-mounted unit, comprising: the system comprises a digital processing unit, a 5G communication module and a power supply module, wherein the 5G communication module and the power supply module are respectively connected with the digital processing unit;
the system disk of the digital processing unit is divided into a first partition and a second partition, and the first partition and the second partition are used for installing OBU systems with different versions so as to adapt to the updated version difference of ETC systems in different provinces;
the digital processing unit is provided with a radio frequency unit which is used for communicating with the road side unit and receiving activation request information which is sent by the road side unit and carries an activation code of an OBU system with a corresponding version when a vehicle enters a lane fixing position, and the activation code request signal can be added with a serial number of the latest OBU version and a system activation code and a software automatic update program activation code of the corresponding version;
the digital processing unit is used for activating the OBU system with the version corresponding to the activation code in the first partition or the second partition according to the activation request information, a software automatic updating program is arranged in the digital processing unit, and if the version serial number of the OBU received by the activation code is consistent with the current version, the software automatic updating program is ended; if the BOU version received by the activation code is higher than the existing version, starting software updating setting;
and the 5G communication module is used for communicating with a network platform, downloading the latest version of OBU system from the network platform to the digital processing unit so as to cover the eliminated version of OBU system installed in the first partition and the second partition, and processing the ETC payment problem through the radio frequency unit according with the DSRC protocol of the Chinese national ETC standard.
Further, the digital processing unit is also provided with an embedded safety control module.
Further, the programmable adaptive single-chip vehicle-mounted unit also comprises a human-computer interface module connected with the digital processing unit.
Further, the programmable adaptive monolithic on-board unit further comprises a wired data interface connected with the digital processing unit.
Further, the programmable adaptive monolithic on-board unit further comprises a tamper-proof device connected with the digital processing unit.
By adopting the technical scheme, the invention has the following beneficial effects: according to the programmable self-adaptive single-chip vehicle-mounted unit, the digital processing unit is provided with the dual-system OBU, so that the problem that update versions of ETC systems of different provinces are different can be solved; the development trend of freeflow on the highway can be met, parking or manual operation is not needed, and the corresponding OBU system version is started through interaction with the RSU; through installation 5G communication module, realize need not to change OBU, accomplish the upgrading and upgrading of OBU through software update.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described 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 to obtain other drawings without creative efforts.
FIG. 1 is a schematic diagram of a programmable adaptive monolithic on-board unit according to the present invention.
FIG. 2 is a schematic diagram of the operation of a programmable adaptive monolithic on-board unit according to the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe the spatial relationship of one device or feature to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, the thicknesses of layers and regions are exaggerated for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.
Referring to fig. 1 to fig. 2, an embodiment of the invention provides a programmable adaptive monolithic on-board unit, including: digital processing unit, 5G communication module and power module are connected with digital processing unit respectively. The power module is used for providing power for the digital processing unit, and the 5G communication module is used for communicating with the network platform.
The invention is characterized in that a system disk of a digital processing unit is divided into a first partition and a second partition, and the first partition and the second partition are used for installing OBU systems with different versions.
The digital processing unit is provided with a radio frequency unit which is used for communicating with the road side unit. The DSRC module is specially used for realizing the EFC technology of non-stop automatic charging of motor vehicles at toll stations such as expressways and the like, namely long-distance RFID radio frequency identification, also called electronic tags E-tag. In the ETC system, the roadside unit is installed at the roadside, adopts DSRC technique and on-vehicle unit to carry out the communication, realizes functions such as vehicle identification, electron deduction.
When the vehicle enters the lane fixing position, the radio frequency unit can receive activation request information which is sent by the road side unit and carries the OBU system activation code of the corresponding version. The digital processing unit can activate the OBU system of the version corresponding to the activation code in the first partition or the second partition according to the activation request information, so that the problem of difference of versions of ETC systems of different provinces is solved.
In addition, with the updating of the ETC system, the programmable self-adaptive single-chip vehicle-mounted unit can download the latest version of the OBU system from the network platform to the digital processing unit through the 5G communication module so as to cover the obsolete version of the OBU system installed in the first partition and the obsolete version of the OBU system installed in the second partition, and realize the software upgrading of the OBU adaptive to the updating of the ETC system.
In this embodiment, the digital processing unit further has an embedded security control module. The embedded security control module is a CPU card chip packaged by a DIP or SOP chip, is used as a wallet in an IC card ammeter at first, stores recharging amount and consumption amount and other important parameters, and has an identity identification function and bidirectional identity authentication with an external card. With the increasing prominence of terminal security problems, embedded security control modules are widely applied to various embedded terminals to realize the functions of data security storage, data encryption and decryption, terminal identity identification and authentication, embedded software copyright protection, DRM digital copyright management and the like.
In addition, the programmable self-adaptive single-chip vehicle-mounted unit also comprises a human-computer interface module connected with the digital processing unit, a wired data interface connected with the digital processing unit and an anti-dismounting device connected with the digital processing unit. The human-machine interface module can be used for carrying out related operations on the programmable self-adaptive single-chip vehicle-mounted unit by a user, and can be specifically realized according to the prior art. The wired data interface can be used for connecting the programmable self-adaptive single-chip vehicle-mounted unit with external equipment to realize data transmission, and can be realized according to the prior art. The anti-dismounting device can be used for avoiding potential safety hazards such as brush stealing and the like caused after the OBU equipment is dismounted, and can be specifically realized according to the prior art.
In summary, the programmable adaptive monolithic on-board unit of the present invention is configured to install the OBU systems with different versions in two partitions of the system disk of the digital processing unit, so as to adapt to the problem of version difference of the ETC systems with different provinces due to update time difference. According to the programmable self-adaptive single-chip vehicle-mounted unit, the radio frequency unit receives the activation request information which is sent by the road side unit and carries the OBU system activation code of the corresponding version, the digital processing unit activates the OBU system of the version corresponding to the activation code in the first partition or the second partition according to the activation request information, the corresponding OBU system version is started, the development trend of freeway free flow can be met, and parking or manual operation is not needed. According to the programmable self-adaptive single-chip vehicle-mounted unit, the latest version of the OBU system is downloaded from the network platform to the digital processing unit through the 5G communication module so as to cover the obsolete version of the OBU system installed in the first partition and the obsolete version of the OBU system installed in the second partition, software upgrading of the OBU adaptive to ETC system updating is realized, the OBU does not need to be replaced, and upgrading and updating of the OBU are completed through software updating.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A programmable adaptive monolithic on-board unit, comprising: the system disk is divided into a plurality of partitioned digital processing units, the plurality of partitions of the system disk are used for installing OBU systems of different versions, when the digital processing units receive activation request information which is sent by a drive test unit and contains OBU version serial numbers and system activation codes corresponding to the OBU version serial numbers, software automatic updating programs are activated, and different partitions of the system disk are written into the OBU system of the latest version under the effect of the software automatic updating programs.
2. The programmable, adaptive, monolithic on-board unit of claim 1, wherein the activation code further comprises an activation code for an automatic software update program.
3. The programmable adaptive monolithic on-board unit of claim 1, wherein the specific process of writing the latest version of the OBU system by the different partitions of the system disk under the effect of the automatic software update program is as follows: for the OBU system installed in one partition of the system disk, when the OBU version serial number in the activation request information is consistent with the existing version serial number, ending the software automatic updating program, and when the OBU version serial number in the activation request information is higher than the existing version serial number, starting the software automatic updating program to write into the OBU system corresponding to the OBU version serial number in the activation request information.
4. The programmable adaptive monolithic on-board unit of claim 1, wherein the digital processing unit comprises a radio frequency unit in communication with a drive test unit.
5. The programmable, adaptive, monolithic on-board unit of claim 1, further comprising a 5G communications module, wherein the 5G communications module downloads a latest version of an OBU system from a network platform to the digital processing unit.
6. The programmable, adaptive, monolithic on-board unit of claim 1, further comprising an embedded security control module for bi-directional authentication with an external card.
7. The programmable adaptive monolithic on-board unit of claim 1, further comprising a human-machine interface module coupled to the digital processing unit.
8. The programmable adaptive monolithic on-board unit of claim 1, further comprising a wired data interface to the digital processing unit.
9. A programmable adaptive monolithic on-board unit as described in claim 1, further comprising tamper-evident means coupled to the digital processing unit.
10. The programmable adaptive monolithic on-board unit of claim 1, wherein the monolithic on-board unit further comprises a power module coupled to the digital processing unit.
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Application publication date: 20210326 |