CN214704728U

CN214704728U - ETC handheld reading and writing equipment

Info

Publication number: CN214704728U
Application number: CN202120565458.7U
Authority: CN
Inventors: 邓国勇; 江良
Original assignee: Tianjin Kcht Information Technology Co ltd
Current assignee: Tianjin Kcht Information Technology Co ltd
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2021-11-12
Anticipated expiration: 2031-03-19

Abstract

The utility model discloses an ETC handheld read-write device, which comprises an interface unit, a control unit, an encryption unit, a radio frequency unit, an antenna unit, a power supply unit and an acousto-optic unit; the interface unit and the ETC lane system establish an encrypted communication link through an encryption unit; the control unit is respectively connected with the encryption unit and the radio frequency unit; the utility model discloses have low-cost, high security, closely combine with lane existing equipment, solved the loose problem of current ETC equipment and lane combination degree.

Description

ETC handheld reading and writing equipment

Technical Field

The utility model relates to a reading and writing equipment field specifically is a handheld reading and writing equipment of ETC.

Background

Along with the popularization of ETC, ETC lane is also more and more, some unusual problems can inevitably appear in the actual current in-process, for example the performance of the on-board unit (OBU) of certain car is relatively poor, the car is driven to the condition that the trackside unit (RSU) antenna below the antenna still can not read the OBU. Usually, the vehicle needs to go backwards to read again, if the traffic flow is large at that time, the backing can be more difficult, and the commuting rate is greatly influenced.

The toll station is usually provided with a handheld device capable of performing read-write operation on the OBU, and the handheld device is generally developed based on a Windows or Android operating system, has 4G communication capability, and can perform independent toll collection.

The ETC handheld device is flexible to use, but also has the problem of higher cost, and the general station configuration is less. In addition, the combination degree of the handheld device and the lane is loose, and the handheld device cannot be seamlessly connected into the existing charging logic.

To this end, we propose an ETC handheld read-write device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reading and writing equipment is handed to ETC to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an ETC handheld read-write device comprises an interface unit, a control unit, an encryption unit, a radio frequency unit, an antenna unit, a power supply unit and an acousto-optic unit; the interface unit and the ETC lane establish an encrypted wireless communication link through the encryption unit; the control unit is respectively connected with the encryption unit and the radio frequency unit; the radio frequency unit is connected with the antenna unit; the power supply unit is a POE power supply circuit, a rechargeable lithium battery and a power management circuit, is connected with each unit in the handheld reader-writer and provides a working power supply for the handheld reader-writer; the acousto-optic unit is a buzzer and a two-color LED state display lamp; the antenna unit is connected with the radio frequency unit; the encryption unit is an encrypted PSAM card

Preferably, the ETC handheld reading and writing equipment is provided with a lithium battery charging structure.

Preferably, the ETC handheld read-write equipment is provided with an encryption PSAM card.

Preferably, the ETC handheld reading and writing equipment is in a plastic handheld gun shape.

Preferably, the power supply unit is a POE circuit and a rechargeable lithium battery.

Preferably, the ETC handheld read-write equipment adopts a local wired communication mode.

Preferably, the antenna unit is connected with the radio frequency unit and used for transmitting and receiving a wireless signal of the DSRC, and the operating frequency of the antenna unit and the radio frequency unit is 5.8 GHz.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses the handheld readwrite equipment of ETC adopts local wired communication mode, and is quicker than traditional 3G 4G handheld device response to closely combine with current lane logic, have uninterrupted existing equipment operating condition.

The utility model discloses have low-cost, high security, closely combine with lane existing equipment, solved the loose problem of current ETC equipment and lane combination degree.

Drawings

FIG. 1 is a connection diagram of the internal units of the handheld microwave reader/writer according to the present invention;

fig. 2 is a connection diagram of the usage environment of the present invention.

In the figure: 1. an ETC lane system; 2. a hand-held microwave reader; 201. an interface unit; 202. a control unit; 203. an encryption unit; 204. a radio frequency unit; 205. an antenna unit; 206. a power supply unit; 207. an acousto-optic unit; 3. and an On Board Unit (OBU).

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, in the present embodiment, an ETC handheld read-write device is provided, where the handheld reader 2 includes an interface unit 201, a control unit 202, an encryption unit 203, a radio frequency unit 204, an antenna unit 205, a power supply unit 206, and an acousto-optic unit 207; the interface unit 201 communicates with the ETC lane system and establishes an encrypted communication link through the encryption unit 203; the control unit 202 is connected with the radio frequency unit 204 and is used for acquiring external key triggering and controlling the radio frequency unit 204 to complete a DSRC communication flow; the control unit 202 is further connected to the encryption unit 203 for providing encryption/decryption authentication of the ETC transaction, and the other end of the rf unit 204 is connected to the antenna unit 205.

In the embodiment, the whole ETC handheld read-write equipment has no screen, and different working states are displayed through acousto-optic prompt. The device supports lithium battery charging, is provided with the encrypted PSAM card, can be made into a plastic handheld gun shape or other shapes convenient to hold, and has a trigger button convenient to operate.

In the above embodiment, the power supply unit 206 is a POE circuit and a rechargeable lithium battery, and the power supply unit 206 is connected to each unit in the handheld reader/writer 2 and provides a working power supply for the handheld reader/writer.

In the above embodiment, the antenna unit 205 and the rf unit 204 are connected by an interposed rf connector, and are used for transmitting and receiving DSRC wireless signals, and the operating frequency of the antenna unit 205 and the rf unit 204 is 5.8GHz, which meets the DSRC communication protocol requirements.

In the above embodiment, the communication link between the interface unit 201 and the ETC lane system 1 is RS232/RS485 serial communication or ethernet communication.

Example (b): as shown in fig. 2, in the ETC handheld read-write device, a cable is connected into an ETC lane system 1, and a handheld reader-writer 2 is in a connection standby mode, that is, the device is started and a communication link is established with the lane system; the handheld device is aligned with the OBU position of the charged vehicle, and an operation key is pressed; the handheld device starts a charging process according to an ETC lane RSU antenna, and establishes a DSRC link with an OBU; the handheld device obtains authorization and deducts fees through the encryption unit 203; the handheld device uploads the result to a terminal of the ETC lane system 1 through a wired link, the lane terminal confirms fee deduction logic and returns the fee deduction logic to the handheld device to release a DSRC link, and the ETC lane system performs normal fee display rod raising and releasing operation. In this process, the read/write success or failure warning information is prompted by the acousto-optic display unit 207.

This handheld read-write equipment of ETC adopts local wired communication mode, and is faster than traditional 3G 4G handheld device response, and equipment and current lane logic combine closely, do not interrupt current equipment operating condition, have with low costs the high advantage of security.

The circuits involved in the scheme are all the prior art, and too much description is not performed here.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An ETC handheld read-write device comprises an interface unit (201), a control unit (202), an encryption unit (203), a radio frequency unit (204), an antenna unit (205), a power supply unit (206) and an acousto-optic unit (207); the method is characterized in that: the interface unit (201) establishes an encrypted communication link with the ETC lane through an encryption unit (203); the control unit (202) is respectively connected with the encryption unit (203) and the radio frequency unit (204); the radio frequency unit (204) is connected with the antenna unit (205); the power supply unit (206) is a POE power supply circuit, a rechargeable lithium battery and a power management circuit, and the power supply unit (206) is connected with each unit in the handheld microwave reader-writer (2) and provides a working power supply for the handheld microwave reader-writer; the acousto-optic unit (207) is a buzzer and a two-color LED state display lamp; the antenna unit (205) is connected with the radio frequency unit (204); the encryption unit (203) is an encrypted PSAM card.

2. The ETC handheld read-write device according to claim 1, wherein: the ETC handheld reading and writing equipment is provided with a lithium battery charging structure.

3. The ETC handheld read-write device according to claim 1, wherein: the ETC handheld read-write equipment is provided with an encrypted PSAM card.

4. The ETC handheld read-write device according to claim 1, wherein: the appearance of the ETC handheld reading and writing equipment is in a plastic handheld gun shape.

5. The ETC handheld read-write device according to claim 1, wherein: the power supply unit (206) is a POE circuit and a rechargeable lithium battery.

6. The ETC handheld read-write device according to claim 1, wherein: the ETC handheld read-write equipment adopts a local wired communication mode.

7. The ETC handheld read-write device according to claim 1, wherein: the antenna unit (205) is connected with the radio frequency unit (204) and used for transmitting and receiving wireless signals of the DSRC, and the working frequency of the antenna unit (205) and the radio frequency unit (204) is 5.8 GHz.