CN208459805U - A kind of double APN car networking systems - Google Patents
A kind of double APN car networking systems Download PDFInfo
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- CN208459805U CN208459805U CN201820734502.0U CN201820734502U CN208459805U CN 208459805 U CN208459805 U CN 208459805U CN 201820734502 U CN201820734502 U CN 201820734502U CN 208459805 U CN208459805 U CN 208459805U
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Abstract
The utility model discloses the double APN car networking systems of one of car networking system, including host and vehicle-mounted T-BOX, host carries out the relevant operations such as uploading/download for audio-visual amusement and access internet, vehicle-mounted T-BOX is mainly used for communicating with TSP backstage/cell phone application, realize that the information of vehicles of cell phone application is shown and long-range control, vehicle-mounted T-BOX includes OS system unit, MCU system unit, LTE module unit, LET modular unit is built-in with two-way ICP/IP protocol stack, support the connection of double APN access points, it is electrically connected all the way through UART interface with MCU system unit, another way is electrically connected through USB interface with OS system unit, OS system unit is electrically connected with host, the utility model selects built-in two-way ICP/IP protocol stack, branch The LTE module for holding the connection of double APN access points, reduces the own cost and production cost of product, also reduces the fraction defective of production, reduce the size of product pcb board, can be used in vehicle-mounted networking system.
Description
Technical field
The utility model relates to a kind of car networking system, in particular to a kind of double APN car networking systems.
Background technique
Car networking system on the market includes four parts: host, vehicle-mounted T-BOX, cell phone application, TSP background system at present,
The audio-visual amusement of host main users and access internet carry out uploading/downloading etc. relevant operations (as listened song, Online Map online),
T-BOX is mainly used for communicating with TSP backstage/cell phone application, realizes that the information of vehicles of cell phone application is shown and long-range control.
In general design, host, which needs to access internet by mobile communication module, to be operated, and T-BOX is also required to lead to
It crosses mobile communication module to be communicated with TSP backstage/cell phone application, therefore needs two in a complete car networking system
Mobile communication module and periphery associated electronic components could support the networking of system to operate normally, such host and T-BOX ability
The APN access point connected is respectively needed to carry out networking operation by the connection of respective mobile communication module, for host or T-
BOX is the single APN access point application of single mobile communication module, is designed in this way the production for necessarily increasing car networking system
Product cost.
Under the market demand of today, it is all highly important for reducing product cost and increasing product function, and network is mutual
Joining already becomes a kind of trend, inevitable if reducing the use of a mobile communication module in current car networking system design
It will cause the missing of car networking system correlation function.
However if subtract again to meet host to the access of internet and realize long-range control of the T-BOX to vehicle
Host and T-BOX, can only be linked into the same public network APN access point, so must by the use of a few mobile communication module
Vehicle is caused to be reduced the safety of the car networking system of vehicle by the network attack at internet end.
Utility model content
The purpose of the utility model is to provide a kind of double APN car networking systems, solve host in current car networking system
It with T-BOX needs that respective APN access point could be connected by respective mobile communication module and network, so as to cause vehicle connection
Net system product increased costs and the problem of reducing vehicle safety.
Purpose of the utility model is realized as follows: a kind of double APN car networking systems, including host and vehicle-mounted T-BOX,
Host upload/download etc. relevant operations for audio-visual amusement and access internet, vehicle-mounted T-BOX be mainly used for after TSP
Platform/cell phone application communication realizes that the information of vehicles of cell phone application is shown and controls with long-range that the vehicle-mounted T-BOX includes OS system list
Member, MCU system unit, LTE module unit, the LET modular unit are built-in with two-way ICP/IP protocol stack, and double APN is supported to connect
The connection of access point is electrically connected through UART interface with MCU system unit all the way, and another way is electrically connected through USB interface and OS system unit
It connects, the OS system unit is electrically connected with host.
As further limiting for the utility model, ANT antenna is also connected in the LTE module, and pass through ANT antenna
It is communicated with outside.
Compared with prior art, the beneficial effects of the utility model are, the utility model selects built-in two-way TCP/IP
Protocol stack, supports the LTE module of the connection of double APN access points, and it is logical to reduce a movement for relatively current existing design scheme
The use of letter module also reduces the fraction defective of production to greatly reduce the own cost and production cost of product,
Reduce the size of product pcb board.The utility model can be used in vehicle-mounted networking system.
Detailed description of the invention
Fig. 1 is the block diagram of the utility model.
Specific embodiment
A kind of double APN car networking systems as shown in Figure 1, including host and vehicle-mounted T-BOX, host for audio-visual amusement and
Access internet carries out the relevant operations such as uploading/download, and vehicle-mounted T-BOX is mainly used for communicating with TSP backstage/cell phone application, realize
The information of vehicles of cell phone application is shown to be controlled with long-range, and vehicle-mounted T-BOX includes OS system unit, MCU system unit, LTE module list
Member, LET modular unit are built-in with two-way ICP/IP protocol stack, support the connection of double APN access points, all the way through UART interface with
The electrical connection of MCU system unit, another way are electrically connected through USB interface with OS system unit, and OS system unit is electrically connected with host,
It is also connected with ANT antenna in LTE module, and is communicated by ANT antenna with outside.
MCU unit connects LTE module by UART interface in the utility model, and the baud rate of 115200bps can satisfy
The normal transmitting-receiving of data, MCU pass through the operation to LTE module progress AT instruction, it can are connected to the private network APN of client's offer
Access point, to directly establish TCP connection with the backstage TSP, the transmitting-receiving of vehicle data information can be realized by cell phone application by user
And the long-range control to vehicle, while not will receive the network attack at internet end, vehicle is considerably increased in car networking application
In safety；OS unit connects LTE module by USB interface, by the operation for carrying out AT instruction to LTE module, it can
It is connected to public network APN access point, the access to internet is realized by public network APN access point, Online Music is such as played, checks
The real time access of the networks such as line map operates, while OS unit is connected to host side by another USB interface, passes through host
Realize relevant APK application display, to reach in the case that host do not increase mobile communication module, user also be may be implemented mutually
The access of networking.
The utility model is not limited to above-described embodiment, on the basis of technical solution disclosed by the utility model, this
For the technical staff in field according to disclosed technology contents, not needing creative labor can be special to some of which technology
Sign makes some replacements and deformation, these replacements and deformation are within the protection scope of the present utility model.
Claims (2)
1. a kind of double APN car networking systems, including host and vehicle-mounted T-BOX, host for audio-visual amusement and access internet into
The relevant operations such as row upload/downloading, vehicle-mounted T-BOX are mainly used for communicating with TSP backstage/cell phone application, realize the vehicle of cell phone application
Information is shown and long-range control, which is characterized in that the vehicle-mounted T-BOX includes OS system unit, MCU system unit, LTE mould
Module unit, the LTE module unit are built-in with two-way ICP/IP protocol stack, the connection of double APN access points are supported, all the way through UART
Interface is electrically connected with MCU system unit, and another way is electrically connected through USB interface with OS system unit, the OS system unit and master
Mechatronics.
2. a kind of double APN car networking systems according to claim 1, which is characterized in that be also connected in the LTE module
ANT antenna, and communicated by ANT antenna with outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820734502.0U CN208459805U (en) | 2018-05-17 | 2018-05-17 | A kind of double APN car networking systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820734502.0U CN208459805U (en) | 2018-05-17 | 2018-05-17 | A kind of double APN car networking systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208459805U true CN208459805U (en) | 2019-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820734502.0U Active CN208459805U (en) | 2018-05-17 | 2018-05-17 | A kind of double APN car networking systems |
Country Status (1)
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| CN (1) | CN208459805U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113746878A (en) * | 2020-05-28 | 2021-12-03 | 广州汽车集团股份有限公司 | System and method for vehicle-mounted T-Box and vehicle-mounted equipment to access external network |
-
2018
- 2018-05-17 CN CN201820734502.0U patent/CN208459805U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113746878A (en) * | 2020-05-28 | 2021-12-03 | 广州汽车集团股份有限公司 | System and method for vehicle-mounted T-Box and vehicle-mounted equipment to access external network |
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