CN207020527U - A kind of auto communication interface - Google Patents
A kind of auto communication interface Download PDFInfo
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- CN207020527U CN207020527U CN201720550544.4U CN201720550544U CN207020527U CN 207020527 U CN207020527 U CN 207020527U CN 201720550544 U CN201720550544 U CN 201720550544U CN 207020527 U CN207020527 U CN 207020527U
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- communication interface
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Abstract
The utility model discloses a kind of auto communication interface, belongs to Automobile Failure Diagnosis Technology field.Including：Microcontroller, USB interface, bluetooth module, data transmit-receive control module, data capture control module, DB15 interfaces；The USB interface connects with the microcontroller respectively with bluetooth module, and the USB interface is used for and automobile computer establishes wired connection, and the bluetooth module is used for and automobile computer establishes wireless connection；The data transmit-receive control module connects with the microprocessor respectively with one end of data acquisition control module, and the other end connects with the DB15 interfaces respectively.The USB interface and bluetooth module are connected by UART interface with the microcontroller respectively.Compared with prior art, its advantage is to improve the high efficiency of Automotive Information Transmission, real-time and integrality the utility model, realizes automobile information, intelligent, and connection has more flexibility, and wired connection and wireless connection can free switchings.
Description
Technical field
Automobile Failure Diagnosis Technology field is the utility model is related to, specifically a kind of auto communication interface.
Background technology
With the fast development of modern automobile industry technology and electronic technology, vehicle mounted guidance, mobile communication, Intelligent office,
The service that security protection and fault diagnosis etc. have intelligentize and informatization is constantly loaded on automobile, and automobile just becomes
It is more and more information-based and intelligent.Automobile fault diagnostic apparatus passes through the technologies pair such as mechanics of communication, electronic technology and embedded system
Automobile carries out fault diagnosis and maintenance.Auto communication interface（VCI）As automobile fault diagnostic apparatus important component, pass through vapour
Car communication interface can be communicated with automobile computer, the information such as read failure code, data flow.According to automobile failure diagnosis agreement
Laminarity, auto communication interface just serves the effect of the physical layer and data link layer in communications protocol layers, i.e., it is vapour
Car computer and automobile electric control system（ECU）Data interaction bridge.Auto communication interface and automobile computer on the market at present
Between connection there was only single wireline interface, connection flexibility is poor, and the scope of application is small.
Utility model content
The utility model is for overcome the deficiencies in the prior art, there is provided one kind can be established with automobile computer wired connection and
The auto communication interface of wireless connection.
In order to solve above-mentioned technical problem, the utility model proposes basic technical scheme be：
A kind of auto communication interface, including：Microcontroller, USB interface, bluetooth module, data transmit-receive control module, data
Acquisition control module, DB15 interfaces；
The USB interface connects with the microcontroller respectively with bluetooth module, and the USB interface is used for and automobile computer
Wired connection is established, the bluetooth module is used for and automobile computer establishes wireless connection；The data transmit-receive control module sum
Connected respectively with the microprocessor according to one end of acquisition control module, the other end connects with the DB15 interfaces respectively.
Further, the USB interface and bluetooth module are connected by UART interface with the microcontroller respectively.
Further, the auto communication interface also includes serial line interface, the serial line interface by SCI interfaces with it is described
Microcontroller connects, for establishing wired connection with automobile computer.
Further, the microcontroller is the LPC1768 of Cortex-M3 kernels.
Further, the auto communication interface also includes power module, and it is the microcontroller that the power module, which is used for,
Device is powered.
Further, the model ROK101008 of the bluetooth module.
Further, the auto communication interface also includes OBD interfaces, and the OBD interfaces are connected with the DB15 interfaces.
The beneficial effects of the utility model are：
1st, the data transmit-receive module sends data acquisition request signal to communication bus, and receives order and the number of return
According to；The data of all node transmission on the data capture control module capture communication bus, for the circuit of two autonomous workings
Module, the high efficiency, real-time and integrality of Automotive Information Transmission are improved, realizes automobile information, it is intelligent.
2nd, including USB interface and bluetooth module, wire communication and radio communication, the scope of application can be established with automobile computer
Extensively, bluetooth connection has more flexibility, and wired connection and wireless connection can free switchings.
Brief description of the drawings
Fig. 1 is a kind of structural representation for auto communication interface that the utility model embodiment provides.
Embodiment
Below with reference to drawings and examples the utility model is described further, but this reality should not be limited with this
With new protection domain.
As shown in figure 1, a kind of auto communication interface of the present utility model, including：Microcontroller 1, USB interface 2, bluetooth mould
Block 3, data transmit-receive control module 5, data capture control module 6, DB15 interfaces 7；
The USB interface 2 and bluetooth module 3 connect with the microcontroller 1 respectively, and the USB interface 2 is used for and automobile
Computer establishes wired connection, and the bluetooth module 3 is used for and automobile computer establishes wireless connection；The data transmit-receive control module
5 and one end of data acquisition control module 6 connected respectively with the microprocessor 1, the other end connects with the DB15 interfaces 7 respectively
Connect.
The data transmit-receive control module 5 sends data acquisition request signal to the connection automobile by DB15 interfaces 7
Electric-control system（ECU）Communication bus on, and receive order and the data of return, bluetooth module 3 passed through by microprocessor control
Or the USB interface 2 is passed in automobile computer.
The data capture control module 6 is in listening mode, captures the message number of all node transmission on communication bus
According to.This is a kind of stillness mode, and the data capture control module 6 does not send any message data in such a mode, collects
Communication bus on application module and automobile electric control system（ECU）Between communication data equally controlled by microcontroller 1 it is logical
Cross bluetooth module 3 or the USB interface 2 is passed in automobile computer.
The data transmit-receive control module 5 and the circuit module that the data capture control module 6 is two autonomous workings,
The data transmit-receive module 5 sends data acquisition request signal to communication bus, and receives order and the data of return；The number
The data of all node transmission on communication bus are captured according to acquisition control module 6, improve high efficiency, the reality of Automotive Information Transmission
When property and integrality, automobile information is realized, it is intelligent.
Further, the USB interface 2 and bluetooth module 3 are connected by UART interface with the microcontroller 1 respectively.
Further, the auto communication interface also includes serial line interface 4, and the serial line interface 4 passes through SCI interfaces and institute
State microcontroller 1 to connect, for establishing wired connection with automobile computer.The data transmit-receive control module 5 and the data are caught
Obtaining the data of the collection of control module 6 can also be reached on automobile computer by the serial line interface 4.
Further, the microcontroller 1 is the LPC1768 of Cortex-M3 kernels, and it has 3 level production lines and Harvard
Structure, with independent local instruction and data bus；The general DMA controllers of 8 passages, 4 UART, 2 CAN passages, 2
Individual SSP controllers can support the block of higher level to extend and integrate；SAE J1708 are supported, SAE J1587, SAE J1850,
SAE J2190, SAE 1979, SAE J1939, ISO 11898, ISO 9141, ISO 14230, ISO 15765, ISO
14229 grade car diagnosis communication agreements.
Further, the auto communication interface also includes power module 9, and it is the micro-control that the power module 9, which is used for,
Device 1 processed is powered.
Further, the model ROK101008 of bluetooth module 3 described in the present embodiment.
Further, the auto communication interface also includes OBD interfaces 8, and the OBD interfaces 8 connect with the DB15 interfaces 7
Connect.It is switchable into OBD interfaces 8 by DB15 interfaces 7, it is possible to achieve with a variety of automobile electric control systems（ECU）Interface inter-link, possess
Stronger autgmentability.
In specific implementation process, the microcontroller 1 can be by one or more application specific integrated circuits（ASIC）、
Digital signal processor（DSP）, digital signal processing appts（DSPD）, PLD（PLD）, field-programmable gate array
Row（FPGA）, controller, microcontroller or other electronic components realize.
The beneficial effects of the utility model are：By setting the circuit module of two autonomous workings, i.e., described data transmit-receive
Module sends data acquisition request signal to communication bus, and receives order and the data of return；The data capture controls mould
The data of all node transmission on block capture communication bus, and automobile computer is transferred to by USB interface or bluetooth module, improve
The high efficiency of Automotive Information Transmission, real-time and integrality, realize automobile information, intelligent, and connection has more flexibility, has
Line connects and wireless connection can free switching.
The announcement and teaching of book according to the above description, the utility model those skilled in the art can also be to above-mentioned realities
The mode of applying is changed and changed.Therefore, the utility model is not limited to embodiment disclosed and described above, right
Some modifications and changes of the present utility model should also be as falling into scope of the claims of the present utility model.In addition, to the greatest extent
Some specific terms have been used in pipe this specification, but these terms are merely for convenience of description, not to the utility model
Form any restrictions.
Claims (7)
- A kind of 1. auto communication interface, it is characterised in that including：Microcontroller, USB interface, bluetooth module, data transmit-receive control Module, data capture control module, DB15 interfaces；The USB interface connects with the microcontroller respectively with bluetooth module, and the USB interface is used for and automobile computer is established Wired connection, the bluetooth module is used for and automobile computer establishes wireless connection；The data transmit-receive control module and data are caught The one end for obtaining control module connects with the microcontroller respectively, and the other end connects with the DB15 interfaces respectively.
- 2. a kind of auto communication interface according to claim 1, it is characterised in that the USB interface and bluetooth module point It is not connected by UART interface with the microcontroller.
- 3. a kind of auto communication interface according to claim 1, it is characterised in that the auto communication interface also includes string Line interface, the serial line interface are connected by SCI interfaces with the microcontroller, for establishing wired connection with automobile computer.
- 4. a kind of auto communication interface according to claim 1, it is characterised in that the microcontroller is Cortex-M3 The LPC1768 of kernel.
- 5. a kind of auto communication interface according to claim 1, it is characterised in that the auto communication interface also includes Power module, the power module are used to power for the microcontroller.
- A kind of 6. auto communication interface according to claim 1, it is characterised in that the model of the bluetooth module ROK101008。
- 7. a kind of auto communication interface according to claim 1, it is characterised in that the auto communication interface also includes OBD interfaces, the OBD interfaces are connected with the DB15 interfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720550544.4U CN207020527U (en) | 2017-05-17 | 2017-05-17 | A kind of auto communication interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720550544.4U CN207020527U (en) | 2017-05-17 | 2017-05-17 | A kind of auto communication interface |
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| CN207020527U true CN207020527U (en) | 2018-02-16 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108536121A (en) * | 2018-03-16 | 2018-09-14 | 深圳市道通科技股份有限公司 | Method for building up, device and the vehicle communication interface VCI of logical channel |
| CN110174550A (en) * | 2019-07-12 | 2019-08-27 | 上海星融汽车科技有限公司 | Vehicle circuitry and sensor detection device |
-
2017
- 2017-05-17 CN CN201720550544.4U patent/CN207020527U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108536121A (en) * | 2018-03-16 | 2018-09-14 | 深圳市道通科技股份有限公司 | Method for building up, device and the vehicle communication interface VCI of logical channel |
| CN110174550A (en) * | 2019-07-12 | 2019-08-27 | 上海星融汽车科技有限公司 | Vehicle circuitry and sensor detection device |
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