CN212649480U - OBU's detection device among ETC - Google Patents
OBU's detection device among ETC Download PDFInfo
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- CN212649480U CN212649480U CN202021940705.9U CN202021940705U CN212649480U CN 212649480 U CN212649480 U CN 212649480U CN 202021940705 U CN202021940705 U CN 202021940705U CN 212649480 U CN212649480 U CN 212649480U
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Abstract
The utility model provides a detection device of OBU in ETC, which comprises an antenna, a Bluetooth structure, a host control structure and a background server, wherein the host control structure is connected with the antenna through a network port, the antenna is wirelessly connected with the OBU, the OBU is connected with the Bluetooth structure through Bluetooth, the Bluetooth structure is connected with the host control structure through a serial port, the host control structure is connected with the background server through an interface or a network, the Bluetooth structure is used for detecting the configuration parameters of the OBU, authenticating the electronic tag, recharging the Bluetooth and giving an operating instruction, the detection device of OBU in the ETC of the utility model not only can realize the sampling inspection on the ESAM function of the Bluetooth OBU, but also can realize the sampling inspection of the Bluetooth OBU, can also simultaneously detect a plurality of Bluetooth OBUs and save time, the working efficiency is improved.
Description
Technical Field
The utility model relates to a detection apparatus for OBU especially relates to a detection apparatus for ESAM chip and bluetooth that can detect OBU in the ETC simultaneously.
Background
ETC: (Electronic Toll Collection) Electronic Toll Collection (ETC) system is the most advanced way and bridge charging mode in the world at present, deducts the amount of money on a user card or carries out background settlement processing with a bank by using a computer networking technology through the special short-range microwave communication between a vehicle-mounted Electronic tag arranged on a vehicle windshield and a microwave antenna on an ETC lane of a Toll station, the ETC is an advanced electronic toll collection technology, is mainly applied to ramp entrances and exits and main line sign stations at present, is an ETC application mode under a closed highway toll scene, and is compelling to provide higher passing speed and higher passing efficiency along with the reform of the national highway supply side.
An OBU: the On board Unit is an abbreviation of an On board Unit, and the interpretation is that the microwave device communicates with an RSU (remote Short Range communication) by adopting a DSRC (dedicated Short Range communication) technology, in an ETC system, an OBU is placed On a vehicle, roadside-Road Side units (RSU-Road Side units) are erected On the roadside, the OBU and the RSU communicate with each other through microwaves when the vehicle passes through the RSU at a high speed.
RSU: the ETC system is installed On the roadside and is a device for realizing vehicle identity recognition and electronic toll collection by adopting DSRC (differentiated Short Range communication) technology and communicating with an On Board Unit (OBU).
With the rapid development of ETC, the functional state requirement on the OBU is higher, and the conventional OBU detection system only carries out spot check detection on the ESAM function of the OBU at present, does not have a detection device for detecting the Bluetooth function of the OBU, and even does not have a detection device for simultaneously detecting the ESAM function and the Bluetooth function of the OBU.
In order to solve the technical problem, the application provides a detection device capable of simultaneously detecting an ESAM chip and Bluetooth of an OBU in an ETC.
SUMMERY OF THE UTILITY MODEL
Based on prior art's is not enough, the utility model provides a detection device of OBU in ETC, including antenna, bluetooth structure, host control structure and backend server, host control structure with the antenna passes through network port and connects, the antenna with OBU passes through wireless connection, OBU with bluetooth structure passes through the bluetooth and connects, bluetooth structure with host control structure passes through serial ports connection, host control structure with backend server passes through interface or internet access, bluetooth structure detects OBU's configuration parameter, right electronic tags authenticates, the bluetooth supplements with money, gives operating instruction.
As the utility model discloses OBU's detection device's improvement in the ETC, the utility model discloses OBU's detection device in the ETC OBU includes ESAM chip, bluetooth and 5.8G communicator.
As the utility model discloses OBU's detection device's improvement in the ETC, the utility model discloses OBU's detection device in the ETC the antenna is the 5.8G antenna.
As the utility model discloses OBU's detection device's improvement in the ETC, the utility model discloses OBU's detection device in the ETC the antenna is opened OBU the bluetooth is pressed OBU reference numeral is opened from little to big order.
As the utility model discloses OBU's detection device's improvement in the ETC, the utility model discloses OBU's detection device in the ETC Bluetooth structural connection one or more OBU the bluetooth.
As the utility model discloses OBU's detection device's improvement in the ETC, the utility model discloses OBU's detection device in the ETC host computer control structure includes output display screen and memory storage card.
As the utility model discloses OBU's detection device's improvement in the ETC, the utility model discloses OBU's detection device in the ETC the antenna is opened eight simultaneously OBU the bluetooth, bluetooth structure connects eight simultaneously OBU.
Compared with the prior art, the utility model discloses OBU's detection device has following beneficial effect among the ETC: owing to included the 5.8G antenna, the 5.8G antenna can detect the OBU whether the ESAM chip is in normal condition, owing to included the bluetooth structure, the bluetooth structure can detect the OBU the bluetooth is in normal condition, to sum up, OBU's detection device can detect in the ETC ESAM chip also can detect the OBU the bluetooth is saved cost, OBU's detection device can be simultaneously to one or more the OBU detects to save time, and improved work efficiency.
Drawings
Fig. 1 is a block diagram of the detection device of the OBU in the ETC according to the preferred embodiment of the detection device of the OBU in the ETC.
Fig. 2 is a block diagram of the OBU according to the preferred embodiment of the detection apparatus for an OBU in an ETC.
Fig. 3 is a flowchart illustrating the operation of the antenna according to the preferred embodiment of the detection apparatus for an OBU in an ETC.
Fig. 4 is the preferred embodiment of the detection device of the OBU in the ETC in the work flow diagram of the bluetooth structure.
Fig. 5 is a flowchart illustrating a preferred embodiment of the detection apparatus for an OBU in an ETC according to the present invention.
Detailed Description
The utility model discloses OBU's detection device mainly is applicable to and detects various OBUs in the ETC.
Referring to fig. 1, 2, 3, 4 and 5, the detection device of the OBU in the ETC of the present invention will be described in detail.
In this embodiment, an OBU's detection device in ETC includes antenna, bluetooth structure, host control structure and backend server, host control structure with the antenna passes through the network port and connects, the antenna with OBU passes through wireless connection, OBU with bluetooth structure passes through the bluetooth and connects, bluetooth structure with host control structure passes through serial ports and connects, host control structure with backend server passes through interface or internet access, bluetooth structure detects OBU's configuration parameter, right the electronic tags authenticates, the bluetooth supplements with money, gives operating instruction.
In this embodiment, the utility model discloses OBU's detection device in ETC OBU includes ESAM chip, bluetooth and 5.8G communicator.
In this embodiment, the utility model discloses OBU's detection device in ETC the antenna is 5.8G antenna.
In this embodiment, the utility model discloses OBU's detection device in ETC the antenna is used for detecting ESAM chip and opens one or more the OBU the bluetooth.
In this embodiment, the utility model discloses OBU's detection device in the ETC the antenna is opened OBU the bluetooth is pressed OBU reference numeral is opened from little to big order.
In this embodiment, the utility model discloses OBU's detection device in ETC bluetooth structure connects one or more the OBU the bluetooth.
In this embodiment, the utility model discloses OBU's detection device in the ETC the antenna is opened eight simultaneously OBU the bluetooth, eight are connected simultaneously to the bluetooth structure OBU.
In this embodiment, the utility model discloses detection device of OBU among ETC the work flow that the antenna includes the 5.8G antenna as follows: firstly, the host control structure initializes the 5.8G antenna and sends a communication wake-up instruction BST, the 5.8G antenna wakes up the OBU, and if the OBU is not woken up, the host control structure sends the communication wake-up instruction BST again; if the OBU is successfully awakened, the 5.8G antenna acquires an ESAM chip authentication instruction sent by the host control structure and sends the ESAM chip authentication instruction to the OBU, the 5.8G antenna acquires data of the OBU, the 5.8G antenna sends the data of the ESAM chip to the host control structure if the data is successfully acquired, then the host control structure sends an instruction for starting the Bluetooth to the 5.8G antenna, if the Bluetooth is successfully started, the 5.8G antenna receives detection data of the OBU and sends the detection data to the host control structure, and if the Bluetooth is not successfully started, the host control structure sends an instruction for starting the Bluetooth to the 5.8G antenna; if the 5.8G antenna does not successfully acquire the data, the 5.8G antenna sends the result to the host control structure, and the host control structure repeats the operation again.
In this embodiment, the utility model discloses OBU's detection device in ETC bluetooth structure's work flow as follows:
the host control structure initializes the Bluetooth structure, detects whether the Bluetooth of the OBU is to be connected or not, if the Bluetooth is to be connected, further scans to see whether the OBU is to be connected or not, if the OBU is not to be connected, scans for 200ms again, if the OBU is successfully scanned, the Bluetooth structure scans the OBU in a connecting way, if the connection is successful, the Bluetooth structure sends the information of the OBU which is successfully connected to the host control structure, if the connection is not successful, the OBU is connected again, the host control structure successfully receives the information of the OBU, the host control structure sends instructions of authentication, recharge, ESAM \ SE and the like to the OBU, if the OBU does not receive the instructions, the OBU waits for the host control structure to send the instructions again, the OBU receives the instruction and successfully executes the instruction, and the OBU transmits data to the host control structure no matter whether the instruction is successfully executed or not, and the Bluetooth unit of the OBU detects and finishes.
In this embodiment, the utility model discloses OBU's detection device in ETC host computer control structure includes output display screen and memory storage card.
In this embodiment, the utility model discloses OBU's detection device in the ETC the antenna opens eight simultaneously OBU the bluetooth, the bluetooth structure is connected eight simultaneously OBU the bluetooth.
In this embodiment, the work flow of the detection device of the OBU in the ETC is as follows:
firstly, the host control structure sends an instruction to the antenna, and the antenna triggers the OBU;
secondly, the 5.8G antenna detects the state of the ESAM chip, and simultaneously needs to call an interface of the background server and record the label and the Bluetooth MAC address of each OBU;
thirdly, after the OBU is subjected to ESAM chip sampling inspection, the recorded OBU label and the recorded Bluetooth MAC address are transmitted to the host control structure; the 5.8G antenna starts the OBUs according to the sequence of the OBU labels from small to large;
fourthly, after the 5.8G antenna turns on the OBUs according to the sequence of the OBU labels from small to large, closing a 5.8G antenna channel; the host control module sends the started MAC address of the OBU to the Bluetooth module through a serial port;
fifthly, the Bluetooth structure actively connects the OBU which is started, and after the connection is successful, the Bluetooth structure returns the state of the OBU to the host control structure through a serial port; the host control structure starts to call a background interface, the Bluetooth structure acquires instruction data of the host control structure and sends the instruction data to the OBU, and the Bluetooth structure performs bidirectional authentication, recharging and ESAM \ SE clear and cipher text instruction operation on the opened OBU;
sixthly, after the detection is finished, the on OBU is closed, the output display of the host control structure displays the detection result, and the memory storage card stores the state record;
seventhly, starting the 5.8G antenna again, and starting the next batch of OBUs to be detected through the 5.8G antenna; repeating the previous operation flow; until all the OBUs to be detected are detected;
compared with the prior art, the utility model discloses OBU's detection device has following beneficial effect among the ETC: the 5.8G antenna can detect whether the ESAM chip of the OBU is in a normal state or not due to the inclusion of the 5.8G antenna; owing to included the bluetooth structure, the bluetooth structure can detect the OBU whether the bluetooth unit is in normal condition, to sum up, OBU's detection device can detect in the ETC ESAM chip also can detect the bluetooth unit saves the cost, OBU's detection device can also be simultaneously to one or more in the ETC OBU detects to save time, and improved work efficiency.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.
Claims (7)
1. The utility model provides a detection apparatus of OBU in ETC which characterized in that: including antenna, bluetooth structure, host control structure and backend server, host control structure with the antenna passes through the network port and connects, the antenna with the OBU passes through wireless connection, the OBU with the bluetooth structure passes through the bluetooth and connects, the bluetooth structure with host control structure passes through serial ports and connects, host control structure with backend server passes through interface or internet access, the bluetooth structure detects OBU's configuration parameter, right the electronic tags authenticates, the bluetooth supplements with money, gives operating instruction.
2. The apparatus for detecting an OBU in an ETC according to claim 1, wherein: the OBU comprises an ESAM chip, Bluetooth and a 5.8G communicator.
3. The apparatus for detecting an OBU in an ETC according to claim 2, wherein: the antenna is a 5.8G antenna.
4. The apparatus according to claim 3, wherein: the Bluetooth for the antenna to open the OBU is opened according to the sequence of the OBU labels from small to large.
5. The apparatus for detecting OBU in ETC according to claim 4, wherein: the bluetooth structure is connected to the bluetooth of one or more of the OBUs.
6. The apparatus for detecting an OBU in an ETC according to claim 5, wherein: the host control structure comprises an output display screen and a memory storage card.
7. The apparatus for detecting an OBU in an ETC according to claim 6, wherein: eight the OBU is opened simultaneously to the antenna bluetooth, eight is connected simultaneously to the bluetooth structure the OBU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021940705.9U CN212649480U (en) | 2020-09-08 | 2020-09-08 | OBU's detection device among ETC |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021940705.9U CN212649480U (en) | 2020-09-08 | 2020-09-08 | OBU's detection device among ETC |
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| CN212649480U true CN212649480U (en) | 2021-03-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115376216A (en) * | 2021-05-19 | 2022-11-22 | 广州汽车集团股份有限公司 | Vehicle ETC passing method, device and system for preventing misuse |
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2020
- 2020-09-08 CN CN202021940705.9U patent/CN212649480U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115376216A (en) * | 2021-05-19 | 2022-11-22 | 广州汽车集团股份有限公司 | Vehicle ETC passing method, device and system for preventing misuse |
| CN115376216B (en) * | 2021-05-19 | 2024-03-01 | 广州汽车集团股份有限公司 | Misuse-preventing vehicle ETC passing method, device and system |
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