CN208689606U - A kind of one chip on board unit - Google Patents
A kind of one chip on board unit Download PDFInfo
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- CN208689606U CN208689606U CN201821177555.3U CN201821177555U CN208689606U CN 208689606 U CN208689606 U CN 208689606U CN 201821177555 U CN201821177555 U CN 201821177555U CN 208689606 U CN208689606 U CN 208689606U
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- board unit
- chip
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- control module
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Abstract
This application discloses a kind of one chip on board units, comprising: double interface chips, control module and microwave communication module, wherein, double interface chips include the memory for storing user data, and control module is couple to double interface chips to read and write the user data；Microwave communication module couples carry out data transmission to the control module, and under the control of the control module with roadside unit.
Description
Technical field
This application involves electronic toll collection field, in particular to a kind of one chip on board unit.
Background technique
With the development of freeway net, electric non-stop toll (Electronic Toll Collection, ETC) system
System has been widely used in expressway tol lcollection.ETC system is by being mounted on the roadside unit (Road of the lane in which the drivers should pay fees
Side Unit, RSU) it is communicated with the on board unit (On Board Unit, OBU) being installed on vehicle, identify information of vehicles, meter
Pass cost is calculated, and deducts pass cost from the specified account of vehicle user automatically.
Current some no-stop charging systems largely use double-disk on board unit.Double-disk on board unit is using external double
The mode of interface subscriber card, i.e., double interface subscriber cards can be separated from each other on board unit, as shown in FIG. 1A and 1B.On board unit
Equipped with contact or contactless card reading circuit, charge station can use contact or two kinds contactless to double interface subscriber cards
Mode is written and read.When can guarantee that on board unit breaks down by the way of external double interface subscriber cards, Yong Huke
To extract subscriber card, charged by card-reading mode.
But there is also some disadvantages and deficiencies for double-disk on board unit.Firstly, transaction data is shown, system is deposited at present
Some thousandths of Fail Transaction rate, there is 50% or more to result from card reading when on board unit reads double interface subscriber cards and unsuccessfully make
At.Using contact read-write operation, the contact surface reed of double interface subscriber cards is easy to oxidize, causes poor contact, read-write behaviour
It just will fail, to cause charge Fail Transaction；Using contactless read-write operation, exchange hour is long, is easy to be disturbed, ring
The failure easy to operate when being more than 70 degree of border temperature.
Secondly, for expressway tol lcollection manager, need to purchase and manage subscriber card, and a kind of additional negative
Load.In addition, also increasing equipment cost comprising two kinds of card reading circuit parts simultaneously on board unit.
Therefore, the on board unit for reverting to one chip (i.e. without external pluggable subscriber card) becomes a kind of possible side again
To.
Utility model content
One of the application is designed to provide a kind of one chip on board unit, and it is unstable to solve current on board unit card reading
The problem of, improve the reliability of no-stop charging system.
The one aspect of the application provides a kind of one chip on board unit comprising: double interface chips, control module
With microwave communication module, wherein double interface chips include the memory for storing user data, and control module is couple to described double
Interface chip is to read and write the user data；Microwave communication module couples are to the control module, and in the control module
Control is lower to be carried out data transmission with roadside unit.
In some embodiments, the microwave communication module includes: first antenna and data transmit-receive module, wherein data
Transceiver module is coupled between the control module and the first antenna, is suitable for passing through under the control of the control module
The first antenna carries out data transmission with the roadside unit.
In some embodiments, the first antenna be DSRC antenna, the data transmit-receive module by DSRC technology with
The roadside unit carries out data transmission.
In some embodiments, double interface chips include contact port, and the control module is directly coupled to described
Contact port.
In some embodiments, double interface chips further include non-contact port, and the one chip on board unit is also wrapped
The second antenna for carrying out contactless communication with card-reading apparatus is included, second antenna is directly coupled to the non-contact end
Mouthful.
In some embodiments, second antenna is NFC antenna, and the card-reading apparatus passes through NFC technique and described pair
Interface chip is communicated to read and write the user data.
In some embodiments, the centre frequency of the NFC antenna is 13.56MHz.
The above are the general introductions of the application, may there is the case where simplification, summary and omission details, therefore those skilled in the art
Member is it should be appreciated that the part is only Illustrative, and is not intended to restriction the application range in any way.This general introduction portion
Point be both not intended to determine the key features or essential features of claimed subject, nor be intended as determination it is claimed
The supplementary means of the range of theme.
The beneficial effects of the utility model include: by will be in the double interface chips and aerial coil in double interface subscriber cards
It is placed on board unit, double interface chips are directly direct-connected with the control module of on board unit, contact spring is eliminated, is saved simultaneously
Non-contact IC card module for reading and writing and an aerial coil are removed, solving the oxidation of double-disk on board unit reed causes read-write to be used
Family card is easy the problem of error, to improve the success rate of lane transaction；On the other hand, if future electronic non-parking system it is complete
Portion uses one chip on board unit, and lane system, which no longer needs to do, to be upgraded, and a large amount of man power and materials are saved.
Detailed description of the invention
By following description and appended claims and in conjunction with attached drawing, it will be more fully clearly understood that this
Apply for the above and other feature of content.It is appreciated that these attached drawings depict only several embodiments of teachings herein, because
This is not considered as the restriction to teachings herein range.By using attached drawing, teachings herein will obtain definitely and
It explains in detail.
Figure 1A shows the schematic diagram before double interface subscriber card insertion on board units；
Figure 1B shows the schematic diagram after double interface subscriber card insertion on board units；
Fig. 2 shows a kind of structural schematic diagrams of double-disk on board unit in the prior art；
Fig. 3 shows a kind of structural schematic diagram of one chip on board unit 10 according to an embodiment of the present disclosure.
Specific embodiment
For convenient for those skilled in the art understand that the application, is described in detail with attached drawing with reference to embodiments.Attached
In figure, similar symbol usually indicates similar component part, unless otherwise indicated by context.Detailed description, attached drawing and right
Illustrated embodiment described in claim is not the restriction to the application.In the spirit or model of the theme without departing from the application
In the case where enclosing, other embodiments can be used, and other variations can be made.It is appreciated that can be in the application
The various aspects of teachings herein that generality describes, illustrating in the accompanying drawings carry out a variety of differently composed configurations, replace
It changes, combine, design, and all these a part for all clearly constituting teachings herein.
Fig. 2 shows a kind of structural schematic diagrams of double-disk on board unit.Double-disk on board unit includes control module, micro-
Wave communication module, Contact Type Ic Card read-write interface, non-contact IC card read-write interface and 13.56MHz coil etc..Double interface users
Card includes double interface chips and 13.56MHz coil, and double interface chips include contact port and non-contact port, double interface users
The 13.56MHz coil of card is couple to non-contact port.After double interface subscriber cards are inserted into double-disk on board unit, double-disk vehicle
The contact port contact of the reed of the Contact Type Ic Card read-write interface of carrier unit and double interface chips, so that double-disk on board unit
Both double interfaces subscriber card can be accessed by contact port；Meanwhile the 13.56MHz with the coupling of non-contact IC card read-write interface
The 13.56MHz coil of coil and double interfaces subscriber card is close to each other, so that but also double-disk on board unit can be connect by non-
Contravention mouth accesses double interfaces subscriber card.
However, the contact surface reed due to Contact Type Ic Card holds after a long time of use with the contact port of double interface chips
It is oxidizable, poor contact is caused, contact read-write operation is caused to fail；And use contactless read-write operation, transmission rate compared with
Slowly, exchange hour is long, when vehicle is quickly through the lane ETC, is also easy to cause Fail Transaction, and be more than 70 in environment temperature
Failure easy to operate when spending.
In order to overcome the disadvantages mentioned above of double-disk on board unit, the disclosure proposes a kind of one chip on board unit.Fig. 3 is shown
A kind of structural schematic diagram of one chip on board unit 10 according to an embodiment of the present disclosure.As shown in figure 3, the vehicle-mounted list of one chip
Member 10 includes control module 1, double interface chips 2 and microwave communication module 3.
Wherein, double interface chips 2 include microprocessor and store the memory of user data, and user data is and user
The relevant data of vehicle toll.Double interface chips 2 have contact port 21 and non-contact port 22, be respectively used to the way of contact and
Cordless accesses to double interface chips 2.
Control module 1 is directly coupled to the contact port 21 of double interface chips 2, to read and write double interfaces core by the way of contact
The user data that piece 2 stores.It is directly coupled alleged by the disclosure, refers to the contact port 21 of double interface chips directly and control module
1 is fixedly connected, such as passes through the modes such as welding.Compared with prior art, one chip on board unit 10 is read without Contact Type Ic Card
Writing module, on the one hand, reduce production cost；On the other hand, it is not necessarily to contact spring, thus solve the problems, such as reed oxidation,
The reliability for improving reading and writing data improves the success rate of ETC vehicle line toll transaction.
Microwave communication module 3 is couple to control module 1, and carries out data with roadside unit under the control of control module 1
Transmission.Microwave communication module 3 includes data transmit-receive module 31 and first antenna 32.Data transmit-receive module 31 is coupled in control module
Between 1 and first antenna 32, it is suitable for carrying out data biography by first antenna 32 and roadside unit under the control of control module 1
It is defeated.It should be pointed out that first antenna 32 can be communicated using various microwave communication techniques with roadside unit, the disclosure pair
This is not construed as limiting.In some embodiments, first antenna 32 can be that can receive and dispatch dedicated short-range communication technology (Dedicated
Short Range Communications, DSRC) signal antenna, i.e. DSRC antenna.
In some embodiments, one chip on board unit 10 further includes the second antenna 4, and the second antenna 4 is directly coupled to double
The non-contact port 22 of interface chip 2.External card-reading apparatus can carry out double interface chips 2 by the second antenna 4 non-contact
Formula communication, this can be applied to damage in one chip on board unit 10 or when without electricity by using external reading by manual type
The user data that card apparatus is read and write in double interface chips 2 is traded to complete charge.
In some embodiments, the second antenna 4 is NFC antenna, and external card-reading apparatus can pass through NFC technique and double interfaces core
Piece 2 communicates, to read and write user data.In some embodiments, the centre frequency of NFC antenna is 13.56MHz.
Since the control module 1 of one chip on board unit 10 is directly coupled to the contact port 21 of double interface chips, charge
The reliability and speed of transaction substantially increase, therefore one chip on board unit 10 no longer needs to access by cordless
Double interface chips 2 at least can be omitted non-contact IC card read-write interface and one compared with double-disk on board unit
The coil of 13.56MHz, to reduce production cost.
The those skilled in the art of the art can be by reading specification, disclosure and attached drawing and appended power
Sharp claim understands and implements other changes to the embodiment of disclosure.In the claims, wording " comprising " is not excluded for it
His element and step, and wording " one ", "one" be not excluded for plural number.In the practical application of the application, a part can
The function of cited multiple technical characteristics in energy perform claim requirement.Any appended drawing reference in claim should not be construed as
Limitation to range.
Claims (7)
1. a kind of one chip on board unit, which is characterized in that the one chip on board unit includes:
Double interface chips comprising store the memory of user data；
Control module is couple to double interface chips to read and write the user data；And
Microwave communication module is couple to the control module, and carries out under the control of the control module with roadside unit
Data transmission.
2. one chip on board unit according to claim 1, which is characterized in that the microwave communication module includes:
First antenna；And
Data transmit-receive module is coupled between the control module and the first antenna, is suitable in the control module
Control under carried out data transmission by the first antenna and the roadside unit.
3. one chip on board unit according to claim 2, which is characterized in that the first antenna is DSRC antenna, institute
Data transmit-receive module is stated to carry out data transmission by DSRC technology and the roadside unit.
4. one chip on board unit according to claim 1, which is characterized in that double interface chips include contact jaw
Mouthful, the control module is directly coupled to the contact port.
5. according to claim 1 to one chip on board unit described in 4 any one, which is characterized in that double interface chips
It further include non-contact port, the one chip on board unit further includes second day for carrying out contactless communication with card-reading apparatus
Line, second antenna are directly coupled to the non-contact port.
6. one chip on board unit according to claim 5, which is characterized in that second antenna is NFC antenna, described
Card-reading apparatus is communicated by NFC technique with double interface chips to read and write the user data.
7. one chip on board unit according to claim 6, which is characterized in that the centre frequency of the NFC antenna is
13.56MHz。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821177555.3U CN208689606U (en) | 2018-07-24 | 2018-07-24 | A kind of one chip on board unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821177555.3U CN208689606U (en) | 2018-07-24 | 2018-07-24 | A kind of one chip on board unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208689606U true CN208689606U (en) | 2019-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821177555.3U Active CN208689606U (en) | 2018-07-24 | 2018-07-24 | A kind of one chip on board unit |
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| CN (1) | CN208689606U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111163445A (en) * | 2019-12-13 | 2020-05-15 | 天地融科技股份有限公司 | Single-chip OBU transaction method |
-
2018
- 2018-07-24 CN CN201821177555.3U patent/CN208689606U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111163445A (en) * | 2019-12-13 | 2020-05-15 | 天地融科技股份有限公司 | Single-chip OBU transaction method |
| CN111163445B (en) * | 2019-12-13 | 2023-04-07 | 天地融科技股份有限公司 | Single-chip OBU transaction method |
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