CN114268928A - Vehicle-mounted machine system integrated with vehicle-mounted ETC module and communication method thereof - Google Patents
Vehicle-mounted machine system integrated with vehicle-mounted ETC module and communication method thereof Download PDFInfo
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Abstract
A vehicle machine system integrated with a vehicle-mounted ETC module and a communication method thereof are provided, wherein the vehicle machine system comprises a vehicle machine main body module and an ETC module, the vehicle machine main body module is in information interaction with users in a vehicle and in information communication with network equipment outside the vehicle, the ETC module is connected with the vehicle machine main body module, the ETC module is in wireless connection with vehicle-mounted ETC equipment, and the ETC module is in information communication with the vehicle-mounted ETC equipment; from this, through the ETC module with car machine main part module lug connection, realized the information communication between car machine main part module and on-vehicle ETC equipment to because car machine main part module can carry out information communication with the network equipment outside the car, consequently realized the information communication between car machine system, on-vehicle ETC equipment and the network equipment outside the car.
Description
Technical Field
The invention relates to the technical field of communication interaction of ETC equipment and an automobile vehicle system, in particular to a vehicle system integrated with a vehicle-mounted ETC module and a communication method thereof.
Background
Etc (electronic Toll collection), the name of which is electronic Toll collection system, and its main business scene is automatic Toll collection facing to expressway or bridge. The special short-range communication is carried out between the vehicle-mounted electronic tag arranged on the vehicle windshield and the microwave antenna on the ETC lane of the toll station, and the computer networking technology and the bank are utilized to carry out background settlement processing, so that the purpose that the vehicle can pay the highway or bridge expenses through the highway or bridge toll station without parking is achieved.
The ETC highway toll is related to the core benefit of a vehicle owner, if the highway/bridge toll can be displayed through a vehicle screen, a very portable mode is provided for the vehicle owner to know own vehicle passing information (toll road passing mileage, toll road passing route, toll road passing fee and the like), and the vehicle passing information can provide important reference data for the vehicle owner, such as trip planning, vehicle passing financial budget and vehicle anti-theft tracking.
In addition, ETC scene of paying continuously expands, and the business of paying of car machine system links up with ETC also is the important business overall arrangement of car intelligence passenger cabin. With the increasing and increasing of the networking function of the automobile, the multimedia car machine at the central control end of the automobile has more and more abundant functions, such as online pay music, online pay video, online pay movie and TV, online pay novel, online pay game and equipment, online automobile shopping and the like, which must become the important direction of the next generation of multimedia value-added services at the automobile end, and these services must be supported by a payment mechanism and a payment channel, and if no portable payment interface and payment channel exist, the user experience is seriously affected.
Disclosure of Invention
The invention provides a vehicle-mounted ETC module integrated vehicle-mounted system, which realizes information communication among the vehicle-mounted system, vehicle-mounted ETC equipment and vehicle-mounted network equipment.
According to a first aspect, an embodiment provides a car machine system of integrated on-vehicle ETC module for realize on-vehicle ETC equipment and car machine system's information communication, include:
the vehicle-mounted device main body module is used for carrying out information interaction with users in the vehicle and carrying out information communication with network equipment outside the vehicle;
the ETC module, the ETC module is connected with car machine main part module electricity, ETC module and on-vehicle ETC equipment wireless connection, the ETC module is used for carrying out information communication with on-vehicle ETC equipment.
In one embodiment, the ETC module includes:
the radio frequency antenna points to the vehicle-mounted ETC equipment and is used for sending information to the vehicle-mounted ETC equipment and receiving the information sent by the vehicle-mounted ETC equipment;
and the gain of the radio frequency antenna meets the condition that the range of sending and receiving information is less than or equal to the vehicle body space.
In one embodiment, the distance that the gain of the radio frequency antenna satisfies the information sending and receiving is the distance from the ETC module to the vehicle-mounted ETC device.
In one embodiment, the on-board unit main body module includes a first interface, and the ETC module includes a second interface;
the first interface and the second interface are connected through a communication cable.
In an embodiment, the first interface and the second interface are UART serial interfaces.
In one embodiment, the vehicle body module is configured to perform information communication with an external network device and an internal device, and includes:
receiving a commodity transaction request, wherein the commodity transaction request comprises commodity information of a commodity to be transacted;
sending the commodity transaction request to a corresponding commodity transaction server;
receiving payment information sent by the commodity transaction server, and displaying the payment information;
after receiving a request for confirming payment, acquiring vehicle information, generating corresponding order information according to the vehicle information and the payment information, and sending the order information to the ETC module;
the ETC module is used for carrying out information communication with on-vehicle ETC equipment, includes:
sending the order information sent by the vehicle body module to a vehicle-mounted ETC device, caching the order information into an internal memory by the vehicle-mounted ETC device, and then sending a caching success response to the vehicle body module so as to enable the vehicle body module to be in a payment caching success state;
and when the vehicle enters the highway ETC toll station, the vehicle-mounted ETC equipment pays according to the order information.
In one embodiment, the vehicle body module is configured to perform information communication with an external network device and an internal device, and includes:
receiving a request for acquiring vehicle passing information;
sending the request for obtaining the vehicle passing information to the ETC module;
the ETC module is used for carrying out information communication with on-vehicle ETC equipment, includes:
and the vehicle-mounted ETC equipment reads corresponding vehicle passing information from an internal memory according to the vehicle passing information acquisition request, and sends the vehicle passing information to the vehicle main body module through the ETC module.
In one embodiment, the method further comprises:
the man-machine interaction module is used for displaying information and receiving a user request;
the information comprises at least one of payment information, commodity information, order information and vehicle passing information, and the user request comprises a commodity transaction request or a vehicle passing information request.
According to a second aspect, an embodiment provides a communication method for a vehicle-mounted device system integrated with an on-vehicle ETC module, wherein the vehicle-mounted device system includes: the vehicle body module and the ETC module;
the vehicle-mounted machine main body module receives a commodity transaction request, wherein the commodity transaction request comprises commodity information of a commodity to be transacted;
the vehicle-mounted machine main body module sends the commodity transaction request to a corresponding commodity transaction server;
the vehicle-mounted machine main body module receives payment information sent by the commodity transaction server and displays the payment information;
the vehicle body module acquires vehicle information after receiving a request for confirming payment, generates corresponding order information according to the vehicle information and the payment information, and sends the order information to the ETC module;
the ETC module sends the order information sent by the vehicle-mounted ETC device to an internal memory, and the vehicle-mounted ETC device caches the order information in the internal memory and then sends a cache success response to the vehicle-mounted ETC device so that the vehicle-mounted ETC device is in a payment cache success state;
and when the vehicle enters the highway ETC toll station, the vehicle-mounted ETC equipment pays according to the order information.
According to a third aspect, an embodiment provides a communication method for a vehicle-mounted device system integrated with a vehicle-mounted ETC module, wherein the vehicle-mounted device system comprises: the vehicle body module and the ETC module;
the vehicle machine main body module receives a request for obtaining vehicle passing information;
the vehicle body module sends the vehicle passing information acquisition request to the ETC module;
the ETC module will the car machine main part module sends obtain vehicle traffic information request and send for on-vehicle ETC equipment, on-vehicle ETC equipment according to obtain vehicle traffic information request and read corresponding vehicle traffic information from internal memory, and will vehicle traffic information passes through the ETC module sends for car machine main part module.
According to the vehicle machine system of the integrated vehicle-mounted ETC module of the embodiment, the vehicle machine system comprises a vehicle machine main body module and an ETC module, the vehicle machine main body module is in information interaction with users in a vehicle and in information communication with network equipment outside the vehicle, the ETC module is connected with the vehicle machine main body module and is in wireless connection with vehicle-mounted ETC equipment, and the ETC module is in information communication with the vehicle-mounted ETC equipment; from this, through the ETC module with car machine main part module lug connection, realized the information communication between car machine main part module and on-vehicle ETC equipment to because car machine main part module can carry out information communication with the network equipment outside the car, consequently realized the information communication between car machine system, on-vehicle ETC equipment and the network equipment outside the car.
In addition, when network equipment is a commodity transaction server outside the car, the commodity transaction request of user sends for commodity transaction server through car machine main part module, and commodity transaction server sends order information for on-vehicle ETC equipment through the ETC module, and on-vehicle ETC equipment pays according to order information when the vehicle gets into highway ETC toll station, and the user need not manually pay in the car like this, has promoted the user experience of ETC scene of paying.
And the vehicle main body module can also acquire vehicle passing information from the vehicle-mounted ETC equipment through the ETC module, and display the vehicle passing information, so that a user can timely know various passing information of the vehicle, and the user experience is improved.
Drawings
Fig. 1 is a schematic structural diagram of an in-vehicle system integrated with a vehicle-mounted ETC module according to an embodiment;
fig. 2 is a schematic diagram illustrating a connection between a vehicle body module and an ETC module in the vehicle system shown in fig. 1;
fig. 3 is a flowchart of a communication method of the in-vehicle system integrated with the vehicle-mounted ETC module according to an embodiment;
fig. 4 is a flowchart of a communication method of the vehicle-mounted device system integrated with the vehicle-mounted ETC module according to another embodiment.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.
Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.
The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings).
The vehicle-mounted system is a vehicle-mounted information entertainment product installed in a vehicle for short, and can realize information communication between people and the vehicle and between the vehicle and the outside.
The vehicle traffic information of the automobile comprises important traffic information such as toll road traffic mileage, toll road traffic route, toll road traffic cost and the like, users cannot check the information through a vehicle-mounted machine system, the information can be checked only by logging in different network platforms through internet equipment such as a mobile phone, a computer and the like, and the checking process is very complex.
In the embodiment of the invention, the vehicle passing information is acquired through the vehicle-mounted system and is directly displayed in the vehicle so as to be convenient for a user to check, and important reference data is provided for travel planning, vehicle passing financial budget and vehicle anti-theft tracking of the user.
The existing vehicle-mounted communication system can be in information communication with operators of various external entertainment products by means of vehicle-mounted communication equipment in the vehicle, so that a user can watch various entertainment products such as online music, online videos, online novels, online games and the like in the vehicle. Because many entertainment products on the internet can be watched after paying, online automobile shopping becomes an entrance of automobile multimedia value-added entertainment services, and automobile electronics and automobile manufacturers, automobile manufacturers and online internet multimedia entertainment service operators in the automobile internet industry have the common force of prying automobile end internet entertainment value-added service consumption and making the automobile end internet entertainment value-added service consumption become an important future automobile end service scene by means of an automobile networking technology and a multimedia automobile machine technology with rich functions. If no portable payment interface and payment channel are available, the user experience is seriously influenced, and particularly if no excellent user experience is available, the consumption power and the enthusiasm of the user for purchasing video and audio text and game multimedia value-added entertainment services in the car are greatly reduced. Excellent user experience means that the operation is simple and easy to understand for the user, the prompt is simple and clear, particularly, the user can preferably operate in a fool manner, and the non-sensitive payment degree is achieved. The excellent user experience for developers means that a very portable and simple in-vehicle payment scene must be created and designed, and the mobile phone and mobile phone end payment application intervention is not needed.
In the embodiment of the invention, when a user determines the purchase intention and achieves payment transaction, the order information is temporarily cached to the ETC vehicle-mounted terminal, when an automobile passes through any road bridge with an ETC toll station, the bill cached at the ETC vehicle-mounted terminal is automatically settled through the toll station, and after the settlement is successful, the fee is transferred to a third-party Internet multimedia entertainment value-added service operator through a certain settlement mechanism by a road operation unit.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a vehicle-mounted device system integrated with a vehicle-mounted ETC module according to an embodiment, which is hereinafter referred to as a vehicle-mounted device system, where the vehicle-mounted device system includes: human-computer interaction module 11, car machine main part module 12 and ETC module 13.
The human-computer interaction module 11 is used for displaying information and receiving a request of a user in the vehicle. The human-computer interaction module 11 in this embodiment may be a touch screen inside a vehicle, or may be an interaction device such as a keyboard and a mouse.
The vehicle body module 12 is used for information interaction with users in the vehicle and information communication with network equipment outside the vehicle.
The car body module 12 in this embodiment is any existing car, which may be a middle-high car with internet function and a bottom car without internet function, and is not described in detail in this embodiment.
The in-vehicle body module 12 includes a first interface, the ETC module 13 includes a second interface, the first interface is connected to the second interface through a communication cable, the first interface and the second interface in this embodiment are physical interfaces, and different interface types can be adopted according to different types of information to be transmitted.
In this embodiment, the vehicle-mounted ETC device is an ETC device installed in a later period in a vehicle, the information communicated by the ETC module 13 and the vehicle-mounted ETC device may include one or more of payment information, commodity information, order information and vehicle communication information, and these information do not include audio data and video data, so the data volume is small, and there is no complex interaction protocol and special format, because the interface types of the first interface and the second interface need to be kept consistent, the first interface and the second interface in this embodiment both adopt UART serial interfaces, the first interface and the second interface are connected through a serial bus, and information interaction between the vehicle main body module 12 and the ETC module 13 is realized.
In addition, the ETC module 13 can be powered through the second interface, and at this time, a power line in the second interface needs to be connected to a power end in the in-vehicle body module 12.
Referring to fig. 2, in the embodiment, the ETC module 13 includes a main control chip MCU, the main control chip MCU uses one UART serial interface as an external interface of the ETC module 13 to the car body module 12, the car body module 12 includes a system chip SOC, the system chip SOC uses one UART serial interface as an integrated interface of the car body module 12 to the ETC module, such connection mode enables the car body module 12 and the ETC module 13 to be integrated together, or to say, the ETC module 13 is built in the car system.
In the embodiment of the invention, the information communication between the vehicle-mounted system and the vehicle-mounted ETC equipment is realized through the ETC module 13 which is built in the vehicle-mounted system.
In addition, in order to prevent the on-board ETC device in the other vehicle from communicating with the on-board ETC device in the on-board vehicle system, i.e. prevent the on-board ETC device in the adjacent vehicle from interfering, the radio frequency antenna in the ETC module 13 for transmitting and receiving information is a directional antenna, and the radio frequency antenna is directed to the on-board ETC device in the same vehicle, and the gain of the radio frequency antenna is attenuated so that the range of the information transmitted and received by the ETC module 13 is less than or equal to the vehicle body space, specifically, the gain of the radio frequency antenna can be attenuated to the extent that the distance between the information transmitted and received by the ETC module and the distance between the ETC module and the on-board ETC device is substantially the same, for example, the distance between the information transmitted and received by the radio frequency antenna is set to about 1 meter, thus the wireless communication direction of the on-board vehicle system can only be directed to the position of the on-board ETC device in the same vehicle, and the communication distance can be ensured to be just limited within the range of the on-board ETC device in the same vehicle, the interference of vehicle-mounted ETC equipment in adjacent vehicles is avoided.
The following describes working modes of the car machine system provided by the embodiment of the invention in two application scenarios.
Referring to fig. 3, fig. 3 is a flowchart of a communication method of a vehicle-mounted device system integrated with a vehicle-mounted ETC module according to an embodiment, which is hereinafter referred to as a method for short, and the method includes the following steps:
step 201: after the vehicle-mounted device system is started and connected with the internet through the vehicle-mounted communication device, a user clicks a required commodity through the human-computer interaction module 11 to generate a commodity transaction request, and most commodities in the embodiment are internet value-added entertainment products, such as paid online music, paid online videos, paid online novels and the like.
Step 202: the car body module 12 receives a commodity transaction request, wherein the commodity transaction request includes commodity information of a commodity to be transacted. The commodity information includes information such as the name and category of the commodity.
Step 203: the car body module 12 sends the commodity transaction request to the corresponding commodity transaction server. If the commodity is a paid online video, the commodity transaction server is a video playing website server; if the commodity is paid online music, the commodity transaction server is a music playing website server; if the commodity is a paid online novel, the commodity transaction server is a novel reading website server.
Step 204: the car body module 12 receives the payment information sent by the commodity transaction server and displays the payment information on the man-machine interaction module 11. Wherein the payment information includes: the fee to be paid, etc.
Step 205: and the user confirms whether to pay through the payment information displayed on the man-machine interaction module 11, and if the user clicks to confirm payment, a request for confirming payment is generated.
Step 206: the in-vehicle body module 12 acquires vehicle information after receiving the request for confirming payment, generates corresponding order information according to the vehicle information and the payment information, and sends the order information to the ETC module.
The vehicle information comprises vehicle system information and vehicle information, the vehicle main body module 12 merges and packages the vehicle information and the payment information into a complete information packet to form order information, and the order information is sent to the vehicle-mounted ETC equipment through the ETC module.
Step 207: the ETC module 13 sends the order information sent by the vehicle-mounted ETC device 12 to the vehicle-mounted ETC device, and the vehicle-mounted ETC device caches the order information into the internal memory and then sends a cache success response to the vehicle-mounted ETC device so that the vehicle-mounted ETC device is in a payment cache success state.
The ETC module 13 receives the order information sent by the in-vehicle body module 12, and then forwards the order information to the vehicle-mounted ETC device by using the ETC dedicated short-range wireless communication technology DSRC. The method comprises the steps that a monitoring program runs in a software system in the vehicle-mounted ETC equipment, once new data packet information (order information) is sent and detected, the new data packet information is immediately read into an internal memory, then the new data packet information is cached into a solid-state memory, after caching is successful, the vehicle-mounted ETC equipment returns a caching success response command to an ETC module, the ETC module forwards the caching success response command to a commodity transaction server through a vehicle body module, and after receiving the caching success response command, the commodity transaction server can use the caching success response command as a mark for processing some software processes and logics. At this time, the user can view the goods (value added service entertainment products) through the man-machine interaction module 11.
Step 208: and when the vehicle enters the highway ETC toll station, the vehicle-mounted ETC equipment pays through the pre-bound bank background server according to the cached order information.
Referring to fig. 4, fig. 4 is a flowchart illustrating a communication method of a vehicle-mounted device system integrated with a vehicle-mounted ETC module according to another embodiment, which is hereinafter referred to as a method for short, and the method includes the following steps:
step 301: the user clicks a button for acquiring the vehicle passing information through the man-machine interaction module 11, and a request for acquiring the vehicle passing information is generated.
Step 302: the vehicle body module 12 receives a request for obtaining vehicle traffic information.
Step 303: the in-vehicle body module 12 sends a request for obtaining vehicle traffic information to the ETC module 13.
Step 304: the ETC module 13 sends the vehicle-mounted ETC device with the vehicle passing information acquisition request sent by the vehicle-mounted ETC module 12, the vehicle-mounted ETC device reads corresponding vehicle passing information from the internal memory according to the vehicle passing information acquisition request, and sends the vehicle passing information to the vehicle-mounted ETC module through the ETC module 13 so as to display the vehicle passing information on the man-machine interaction module 11.
The vehicle-mounted system provided by the embodiment of the invention realizes the information communication between the vehicle-mounted system and the vehicle-mounted ETC equipment, realizes that a vehicle user quickly inquires the vehicle passing information under the condition of not needing internet access, and improves the user experience; and, realized the information communication of outer network equipment of car, car machine system and on-vehicle ETC equipment, realized that the internet value-added entertainment business of car machine system pays through on-vehicle ETC equipment, promoted the user experience of ETC scene of paying.
The present invention has been described in terms of specific examples, which are provided to aid understanding of the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.
Claims (10)
1. The utility model provides a car machine system of integrated on-vehicle ETC module for realize the information communication of on-vehicle ETC equipment and car machine system, its characterized in that includes:
the vehicle-mounted device main body module is used for carrying out information interaction with users in the vehicle and carrying out information communication with network equipment outside the vehicle;
the ETC module, the ETC module is connected with car machine main part module electricity, ETC module and on-vehicle ETC equipment wireless connection, the ETC module is used for carrying out information communication with on-vehicle ETC equipment.
2. The on-board unit system integrated with an on-board ETC module according to claim 1, wherein the ETC module comprises:
the radio frequency antenna points to the vehicle-mounted ETC equipment and is used for sending information to the vehicle-mounted ETC equipment and receiving the information sent by the vehicle-mounted ETC equipment;
and the gain of the radio frequency antenna meets the condition that the range of sending and receiving information is less than or equal to the vehicle body space.
3. The in-vehicle system integrated with an on-vehicle ETC module according to claim 2, wherein the gain of said RF antenna satisfies the distance from said ETC module to the on-vehicle ETC device for transmitting and receiving information.
4. The in-vehicle system of the integrated on-vehicle ETC module of claim 1, wherein the in-vehicle body module comprises a first interface, the ETC module comprising a second interface;
the first interface and the second interface are connected through a communication cable.
5. The vehicle-mounted system integrated with vehicle-mounted ETC module according to claim 4, wherein said first interface and said second interface are UART serial interfaces.
6. The vehicle machine system of the integrated vehicle-mounted ETC module according to any one of claims 1 to 5, wherein the vehicle machine main body module is used for information communication with a network device outside a vehicle and a device inside the vehicle, and comprises:
receiving a commodity transaction request, wherein the commodity transaction request comprises commodity information of a commodity to be transacted;
sending the commodity transaction request to a corresponding commodity transaction server;
receiving payment information sent by the commodity transaction server, and displaying the payment information;
after receiving a request for confirming payment, acquiring vehicle information, generating corresponding order information according to the vehicle information and the payment information, and sending the order information to the ETC module;
the ETC module is used for carrying out information communication with on-vehicle ETC equipment, includes:
sending the order information sent by the vehicle body module to a vehicle-mounted ETC device, caching the order information into an internal memory by the vehicle-mounted ETC device, and then sending a caching success response to the vehicle body module so as to enable the vehicle body module to be in a payment caching success state;
and when the vehicle enters the highway ETC toll station, the vehicle-mounted ETC equipment pays according to the order information.
7. The vehicle machine system integrated with the vehicle-mounted ETC module according to any one of claims 1-5, wherein the vehicle machine main body module is used for information communication with a network device outside a vehicle and a device inside the vehicle, and comprises:
receiving a request for acquiring vehicle passing information;
sending the request for obtaining the vehicle passing information to the ETC module;
the ETC module is used for carrying out information communication with on-vehicle ETC equipment, includes:
and the vehicle-mounted ETC equipment reads corresponding vehicle passing information from an internal memory according to the vehicle passing information acquisition request, and sends the vehicle passing information to the vehicle main body module through the ETC module.
8. The vehicle-mounted integrated ETC module system according to claim 1, further comprising:
the man-machine interaction module is used for displaying information and receiving a user request;
the information comprises at least one of payment information, commodity information, order information and vehicle passing information, and the user request comprises a commodity transaction request or a vehicle passing information request.
9. The utility model provides a communication method of car machine system of integrated on-vehicle ETC module which characterized in that, car machine system includes: the vehicle body module and the ETC module;
the vehicle-mounted machine main body module receives a commodity transaction request, wherein the commodity transaction request comprises commodity information of a commodity to be transacted;
the vehicle-mounted machine main body module sends the commodity transaction request to a corresponding commodity transaction server;
the vehicle-mounted machine main body module receives payment information sent by the commodity transaction server and displays the payment information;
the vehicle body module acquires vehicle information after receiving a request for confirming payment, generates corresponding order information according to the vehicle information and the payment information, and sends the order information to the ETC module;
the ETC module sends the order information sent by the vehicle-mounted ETC device to an internal memory, and the vehicle-mounted ETC device caches the order information in the internal memory and then sends a cache success response to the vehicle-mounted ETC device so that the vehicle-mounted ETC device is in a payment cache success state;
and when the vehicle enters the highway ETC toll station, the vehicle-mounted ETC equipment pays according to the order information.
10. The utility model provides a communication method of car machine system of integrated on-vehicle ETC module which characterized in that, car machine system includes: the vehicle body module and the ETC module;
the vehicle machine main body module receives a request for obtaining vehicle passing information;
the vehicle body module sends the vehicle passing information acquisition request to the ETC module;
the ETC module will the car machine main part module sends obtain vehicle traffic information request and send for on-vehicle ETC equipment, on-vehicle ETC equipment according to obtain vehicle traffic information request and read corresponding vehicle traffic information from internal memory, and will vehicle traffic information passes through the ETC module sends for car machine main part module.
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| CN202111314567.2A CN114268928A (en) | 2021-11-08 | 2021-11-08 | Vehicle-mounted machine system integrated with vehicle-mounted ETC module and communication method thereof |
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