CN111784855A - Built-in card standard single-piece type vehicle-mounted unit and anti-dismounting method thereof - Google Patents
Built-in card standard single-piece type vehicle-mounted unit and anti-dismounting method thereof Download PDFInfo
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- CN111784855A CN111784855A CN201910274990.0A CN201910274990A CN111784855A CN 111784855 A CN111784855 A CN 111784855A CN 201910274990 A CN201910274990 A CN 201910274990A CN 111784855 A CN111784855 A CN 111784855A
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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
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
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- General Physics & Mathematics (AREA)
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- Engineering & Computer Science (AREA)
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- Devices For Checking Fares Or Tickets At Control Points (AREA)
Abstract
The invention provides a built-in card quasi-monolithic vehicle-mounted unit, which comprises a base and a host, wherein the host and the base are respectively provided with a control processor, a special interface and a power supply module, and the host and the base are provided with an authentication mechanism; the host control processor and the base control processor are connected and interrupted, and the host control processor closes the DSRC communication function between the host control processor and the roadside station; the base control processor senses that the host is accessed, the host and the base authenticate whether the host is matched with the base, the authentication is successful, the host control processor opens the DSRC communication function of the host and the roadside station, the authentication is failed, and the host control processor closes the DSRC communication function of the host and the roadside station. The conventional management system does not need to be upgraded, and seamless connection and transition can be realized from the double-sheet type vehicle-mounted unit to the built-in card standard single-sheet type vehicle-mounted unit on the premise of ensuring the safety of the anti-dismounting function.
Description
Technical Field
The invention relates to a non-stop toll collection system, in particular to a built-in card quasi-single-chip type vehicle-mounted unit and an anti-disassembly method thereof.
Background
The vehicle-mounted unit, whether of a single piece type or a double piece type, is integrally assembled on the vehicle and cannot be disassembled for use. Such as by double-sided adhesive attachment to the front windshield of the vehicle. The main reason is to prevent the vehicle-mounted unit from being detached and replaced to another vehicle after being installed, thereby causing a large vehicle small label and creating conditions for lawless persons to evade road tolls.
The double-piece type vehicle-mounted unit which is popularized and used at present is provided with an external card which can be plugged and unplugged, and the external card can be unplugged when a toll gate is moved, so that a toll collector can read and write by using a card reader, but the mode has higher cost and larger power consumption, is easy to be interfered and can influence the success rate; in addition, the transaction time is longer. After the provincial station is removed, when the virtual provincial station passes, the transaction may not be completed in time, and settlement cannot be performed in the province, so that cross-provincial clearing is needed.
With the further development of the non-stop charging technology, the monolithic vehicular unit has higher and higher call in the industry due to the characteristics of lower price, lower power consumption and higher passing rate, and the current mainstream monolithic vehicular unit is a so-called true monolithic unit which gets rid of the 13.56MHz card reading function. The method relates to the overall upgrade of the charging system, and has the disadvantages of high cost and long implementation period. And therefore does not meet the market demand for rapid spread of monolithic on-board units.
The single-piece on-board unit may be inconvenient in some situations because it does not have a pluggable IC card. Such as false break of a toll lane. Thus, another type is a pluggable built-in card monolithic on-board unit, also known as a quasi-monolithic type. The charging system is characterized in that a built-in card is connected with a coil and can be read and written by a common card reader after being pulled out, so that the problem that a single-chip vehicle-mounted unit needs a handset and a charging system is modified is solved. The vehicle-mounted unit host can be detached from the base, and the base and the host are not mutually authenticated by controlling the seat leaving time and protecting the detachment prevention function through specific events. However, this type of tamper-evident feature is not sufficiently robust and the one-piece unit remains at risk in terms of tamper-resistance. After the host computer is pulled out of the base and the toll collector finishes reading the card within the allowed leaving time, if the driver does not put the host computer back into the card seat, but the switch is supported and fixed by other objects outside the card seat, the vehicle-mounted unit can be free from the card seat and used.
Therefore, it is necessary to develop a built-in card-type monolithic on-board unit that can further enhance the protection of the tamper-proof function.
Disclosure of Invention
The invention aims to solve the problems that the prior anti-dismounting device is not safe and reliable enough and has slow response.
In order to achieve the purpose, the invention provides a built-in card quasi-monolithic vehicle-mounted unit, which comprises a base and a host, wherein the host and the base are respectively provided with a control processor, a special interface and a power supply module, and the host and the base are provided with an authentication mechanism; the host control processor and the base control processor are connected and interrupted, and the host control processor closes the DSRC communication function between the host control processor and the roadside station; the base control processor senses that the host is accessed, the host and the base authenticate whether the host is matched with the base, the authentication is successful, the host control processor opens the DSRC communication function of the host and the roadside station, the authentication is failed, and the host control processor closes the DSRC communication function of the host and the roadside station.
The host and the base are also provided with a module separation and locking device for sensing the host to be put back or separated from the base. And after the host is disconnected from the base, the host is awakened to complete the read-write when the read-write communication requirement of the non-DSRC is sensed. The read-write communication requirement of the non-DSRC is a card reading request of a card reader or a Bluetooth communication request of a Bluetooth communication device. The base is also provided with an anti-disassembly module for detecting whether the base is installed on the original vehicle or in a disassembled state. After the host and the base are successfully authenticated, the anti-disassembly module is detected, whether the base is in a disassembly state or not is judged, and if the base is in the disassembly state, the host marks that the base is in the disassembly state and then opens the wireless transaction function between the base and the roadside station; if not, the DSRC communication function with the roadside station is directly opened. The host computer is also provided with a human-computer interface module which can give an alarm when the base is detected to be separated from the host computer, the host computer is not matched with the base or the base is in a detachable state.
Another object of the present invention is to provide a method for preventing detachment of a built-in card quasi-monolithic vehicle-mounted unit, which comprises the following steps:
when the host is separated from the base, the host controls the processor to close the DSRC communication function between the host and the roadside station;
after the host and the base are connected, the host and the base are authenticated, and if the authentication is successful, the host opens the DSRC communication function between the host and the roadside station; and if the authentication fails, the DSRC communication function between the authentication server and the roadside station is not opened.
When the host computer is separated from the base, the host computer senses the read-write communication requirement of the non-DSRC, and then wakes up the host computer to finish the read-write. The read-write communication requirement of the non-DSRC is a card reading request of a card reader or a Bluetooth communication request of a Bluetooth communication device. After the host and the base are successfully authenticated, detecting the anti-disassembly module, judging whether the base is in a disassembly state, and if the base is in the disassembly state, marking that the base is in the disassembly state by the host and then opening the DSRC communication function between the base and a roadside station; if not, the DSRC communication function with the roadside station is directly opened. When the host is detected to be separated from the base, and the host and the base are not matched or are in a disassembly state, the vehicle-mounted unit can give an alarm. Under the above various conditions, the host and the base immediately enter the sleep state after being awakened and completing the action.
After the scheme provided by the invention is adopted, the existing equipment of a management side does not need to be increased or changed, the existing management system does not need to be upgraded, seamless connection and transition can be realized from the double-piece type vehicle-mounted unit to the built-in card standard single-piece type vehicle-mounted unit on the premise of ensuring the safety of the anti-disassembly function, the method can be widely popularized in a non-stop toll collection system, and illegal behaviors of the same equipment in different vehicles can be effectively prevented.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a block circuit diagram of a base module and a host module of the present invention.
FIG. 2 is a flow chart of the operation of the host of the present invention after it is detached from the base.
FIG. 3 is a flowchart illustrating the host control processor determining whether the dual interface card chip is operated according to the present invention.
FIG. 4 is a flow chart of the operation of the present invention after the host and base are connected.
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. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
The present invention is described in further detail below to enable those skilled in the art to practice the invention with reference to the description.
Referring to fig. 1, fig. 1 is a circuit block diagram of a base module and a host module according to the present invention.
The built-in card quasi-single-chip vehicle-mounted unit shown in FIG. 1 mainly comprises two parts, a base and a host. In this embodiment, an authentication device is added between the host and the base. If the module separation and locking device is loose or the host and the base cannot be successfully authenticated, the 5.8GHz communication function is disconnected if the abnormal condition is determined.
In fig. 1, the left side is a base module, which mainly includes a control processor (MCU), a dedicated memory, a tamper resistant device, a power supply module, a dedicated interface, and a module separation and locking device; the right side in the figure is a host module which mainly comprises a main control processor MCU and a 5.8GHz special DSRC module (comprising a DSRC module and a DSRC antenna, the DSRC is a special short-Range communication technology), in the non-stop toll collection system, the vehicle-mounted unit adopts the DSRC technology to establish a microwave communication link with a roadside station, and on the way of vehicle traveling, under the condition of no stop, the vehicle identity identification, the electronic fee deduction, the non-stop and the card-free are realized, an unattended vehicle channel is established), a double-interface card module, a 13.56MHz antenna, a key authentication module, a human-computer interface module, a Bluetooth module (optional), a power supply module and a charging interface, and a special interface and module separation and locking device.
In the base module, a base control processor (MCU) is respectively connected with a special memory, a power supply module and a special interface, wherein the special memory is used for storing data; the power supply module provides power for the base; the special interface is connected with the corresponding special interface of the host module. The control processor is also connected with the anti-disassembly module. In addition, a module separating and locking device is arranged on the base.
In the host module, a host control processor (MCU) is respectively connected with the power supply module and the special interface. In addition, the control processor is also connected with the DSRC module, the double-interface card module, the key authentication module, the man-machine interface module and the Bluetooth module (optional). And the DSRC module is also connected with a DSRC antenna to realize the communication between the vehicle-mounted unit and the roadside station under the frequency of 5.8 GHz. The dual-interface card module also realizes the read-write communication of the 13.56MHz card with the 13.56MHz antenna. The power supply module is connected with the charging interface to provide power for the host. The host is also provided with a module separating and locking device.
The module separating and locking device can be arranged on the base or the host, or the host and the base are respectively provided with one module separating and locking device, the module separating and locking device can be a mechanical buckle or a plug-and-socket device, and the module separating and locking device can sense and inform the MCU when the host is placed back or separated from the base. The host and the base can be respectively provided with a power supply module, or only one power supply module.
Next, referring to fig. 2, fig. 2 is a flowchart illustrating the operation of the host computer of the present invention after the host computer is detached from the base. In fig. 2, the operation flow of the host is:
1. when the host computer is separated from the base, the connection between the host computer MCU and the base MCU is interrupted, the host computer MCU is awakened, a flag bit is set, the 5.8GHz transaction function of the DSRC is closed, and then the system enters a sleep state;
2. if card reading and writing operations are carried out on the dual-interface user card by adopting card reading equipment (such as NFC equipment, an IC card reader and the like), an IC card field-off signal wakes up a host MCU, and the MCU updates related information;
3. if the Bluetooth device (such as a mobile phone and the like) is adopted to carry out relevant operations on the host, the host operates according to relevant Bluetooth operation procedures.
The operation flow of the base is as follows: when the host computer is separated from the base, the connection between the host computer MCU and the base MCU is interrupted, the base MCU is awakened, a disconnection flag bit is set, and the base enters a sleep state.
Next, referring to fig. 3, fig. 3 is a flowchart illustrating the host MCU of the present invention determining whether the dual interface card chip is operated.
In fig. 3, the process of the host MCU determining whether the dual interface card chip is operated is as follows:
1. after a card reading device (such as a short-distance wireless communication device, an IC card reader and the like) powers on a double-interface user card chip through a 13.56MHz signal, the card chip can provide an access signal (such as setting an input/output pin at a high level) for a host MCU (microprogrammed control Unit);
2. when the card reading equipment is operated and the power is off, the card chip gives an off-field signal to the host MCU (if the input/output pin is set to be at a low level);
3. the host MCU wakes up, reads the relevant information, judges and updates the relevant information;
4. and entering a sleep state.
Next, referring to fig. 4, fig. 4 is a flowchart illustrating the operation of the host and the base after they are connected according to the present invention. In fig. 4, the operation flow after the host and the base are connected is as follows:
1. mutual authentication between the host and the base:
a) if the authentication is successful, the matching is successful, the host opens the DSRC5.8GHz communication function, and the vehicle-mounted unit enters a sleep state;
b) if the authentication fails, the man-machine interface of the host computer gives an alarm, and the vehicle-mounted unit enters a sleep state;
2. judging whether to disassemble:
a) if the DSRC5.8GHz communication function is not detached, the host computer opens the DSRC5.8GHz communication function, and the vehicle-mounted unit enters a sleep state;
b) if the key authentication module is detached, the relevant bytes in the key authentication module are set to be in a detached state, and the vehicle-mounted unit enters a sleep state.
If the key authentication module is judged to be detached, the relevant bytes in the key authentication module are set to be in a detached state, the DSRC5.8GHz communication function is opened by the host, the vehicle-mounted unit enters a sleep state, if the key authentication module is judged not to be detached, the DSRC5.8GHz communication function is directly opened by the host, and the vehicle-mounted unit enters the sleep state. The reason for this arrangement is that the processing standards are different from place to place after the base is detached from the vehicle, so the DSRC5.8GHz communication function is not closed all the time, but the charging standard uploaded to the roadside station for local use is used for judging whether to give an alarm, reject or take other measures.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the uses set forth in the specification and examples. It can be applied to all kinds of fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. Therefore, the invention is not to be limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.
Claims (13)
1. The built-in card quasi-monolithic vehicle-mounted unit comprises a base and a host, wherein the host and the base are provided with a control processor, a special interface and a power module; the host control processor and the base control processor are connected and interrupted, and the host control processor closes the DSRC communication function between the host control processor and the roadside station; the base control processor senses that the host is accessed, the host and the base authenticate whether the host is matched with the base, the authentication is successful, the host control processor opens the DSRC communication function of the host and the roadside station, the authentication is failed, and the host control processor closes the DSRC communication function of the host and the roadside station.
2. The on-board unit as recited in claim 1, wherein the host and the base further comprise module detachment and locking means for sensing the host being replaced or removed from the base.
3. The on-board unit of claim 1, wherein the host is configured to wake up the host to complete the read/write operation when a non-DSRC read/write communication request is sensed after the host is disconnected from the base.
4. The on-board unit as recited in claim 3, wherein the read/write communication request of the non-DSRC is a card reading request of a card reader or a Bluetooth communication request of a Bluetooth communication device.
5. The on-board unit as recited in claim 1, wherein the base further comprises an anti-removal module for detecting whether the base is mounted on an original vehicle or removed.
6. The on-board unit of claim 5, wherein the host computer and the base are authenticated successfully, and then the anti-detachment module is detected to determine whether the base is in a detached state, and if the base is in the detached state, the host computer marks that the base is in the detached state and then opens the wireless transaction function with the roadside station; if not, the DSRC communication function with the roadside station is directly opened.
7. The on-board unit as recited in claim 1, wherein the host further comprises a human-machine interface module, wherein the human-machine interface module is configured to alarm when the base is removed from the host, the host is not matched with the base, or the base is removed.
8. The anti-disassembly method of the built-in card standard single-piece type vehicle-mounted unit is characterized by comprising the following steps:
when the host is separated from the base, the host controls the processor to close the DSRC communication function between the host and the roadside station;
after the host and the base are connected, the host and the base are authenticated, and if the authentication is successful, the host opens the DSRC communication function between the host and the roadside station; and if the authentication fails, the DSRC communication function between the roadside station and the communication terminal is closed.
9. The method as claimed in claim 8, wherein when the host computer is detached from the base and the host computer senses the read-write communication request of the non-DSRC, the host computer is waken up to complete the read-write.
10. The method as claimed in claim 9, wherein the read/write communication request of the non-DSRC is a card reading request of a card reader or a bluetooth communication request of a bluetooth communication device.
11. The method as claimed in claim 8, wherein the host computer and the base are authenticated successfully, and then the anti-detachment module is detected to determine whether the base is in a detached state, and if the base is in a detached state, the host computer marks that the base is in a detached state and then opens the DSRC communication function with the roadside station; if not, the DSRC communication function with the roadside station is directly opened.
12. The method of claim 11, wherein the vehicle-mounted unit alarms when the host is detected to be out of the cradle, the host and the cradle are not matched, or in a detached state.
13. The method according to any one of claims 8 to 12, wherein the host and the base immediately enter a sleep state after waking up and completing the operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910274990.0A CN111784855A (en) | 2019-04-04 | 2019-04-04 | Built-in card standard single-piece type vehicle-mounted unit and anti-dismounting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910274990.0A CN111784855A (en) | 2019-04-04 | 2019-04-04 | Built-in card standard single-piece type vehicle-mounted unit and anti-dismounting method thereof |
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| CN111784855A true CN111784855A (en) | 2020-10-16 |
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| CN201910274990.0A Pending CN111784855A (en) | 2019-04-04 | 2019-04-04 | Built-in card standard single-piece type vehicle-mounted unit and anti-dismounting method thereof |
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