CN210405345U

CN210405345U - Automobile CAN bus debugging system based on wireless communication

Info

Publication number: CN210405345U
Application number: CN201922052548.1U
Authority: CN
Inventors: 许瑞统; 熊保平; 张克忠; 臧震
Original assignee: Cross-Strait Tsinghua Research Institute (xiamen)
Current assignee: CROSS STRAIT TSINGHUA Research Institute (XIAMEN); Xiamen Qingyan Automobile Technology Co., Ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-04-24
Anticipated expiration: 2029-11-25

Abstract

The utility model discloses a car CAN bus debug system based on wireless communication, include: more than three debugging terminals; a CAN-WIFI communication module; an automotive bus diagnostic interface; the debugging terminals can mutually coordinate to work, receive and send data, and carry out real-time monitoring and debugging on the automobile. The utility model has the advantages of as follows: the debugging work to the automobile design research and development stage can realize remote data real time monitoring, and the debugging personnel need not be restricted on the vehicle, and personnel mobility improves, avoids loaded down with trivial details wiring mode simultaneously, solves the working space restriction problem, and a plurality of local and remote debugging terminals can be inserted simultaneously to the system, improves the efficiency and the harmony of on-the-spot debugging work.

Description

Automobile CAN bus debugging system based on wireless communication

Technical Field

The utility model relates to an on-vehicle system field, concretely relates to automobile design research and development stage debugging work, remote data real-time debugging and monitored control system based on wireless communication CAN bus.

Background

CAN is a short term for Controller Area Network (CAN), developed by BOSCH corporation of germany, which is known to develop and produce automotive electronics, and finally becomes an international standard (ISO 11898), which is one of the most widely used field buses internationally. The CAN bus connects the single control units to form a complete system. In the system, each control unit performs data transmission exchange and sharing in the same rule. In automobile engineering, with more and more electric equipment for automobiles, the electric system of the automobile forms a complex large system from the control of a power system to the control of a vehicle body system, and from the control of a running system, a braking system and a steering system to a safety guarantee system and an instrument alarm system, and is controlled by a cab in a centralized manner. The CAN bus is designed to meet these requirements.

In the field debugging of the automobile CAN bus, a wired mode is generally used for accessing the bus and connecting a notebook computer for data receiving and sending, each control unit is required to work in a coordinated mode in the field debugging, more than three monitoring terminals are generally required to be accessed, and the wired access mode has the problems of complex wiring, limited working space and the like, so that the coordination work is difficult when each control unit in the field is debugged, and the working efficiency is influenced; and the wired access mode limits the data exchange between the field vehicle and the remote debugging terminal.

Disclosure of Invention

The utility model discloses aim at solving one of above-mentioned technical problem at least.

Therefore, the utility model aims to provide an adopt wireless communication's mode to carry out the technical scheme of car CAN bus debugging for the debugging work in automobile design research and development stage improves the efficiency and the harmony of on-the-spot debugging work, supports the real time monitoring and the debugging work of car driving in-process, supports long-range real time monitoring and debugging work under the car simultaneously.

In order to realize the above-mentioned purpose, the embodiment of the utility model discloses a car CAN bus debug system based on wireless communication, a serial communication port, include: more than three debugging terminals; a CAN-WIFI communication module; an automotive bus diagnostic interface; the wireless communication module is shared by more than three debugging terminals, and all the debugging terminals are accessed into the automobile bus diagnosis interface through the wireless communication module, receive and send data and perform real-time monitoring and debugging on the automobile.

The bus debugging system is used for debugging work in the research and development stage of automobile design.

A debugging terminal in the bus debugging system is not connected with an automobile bus diagnosis interface in a wired mode, so that a complex wiring mode is avoided.

The bus debugging system can realize remote debugging and monitoring, and debugging personnel are not limited on the automobile.

All debugging terminals in the bus debugging system can work in coordination with each other.

Further, the bus debugging system can be simultaneously accessed to a plurality of local debugging terminals.

Further, the bus debugging system can be simultaneously accessed to a plurality of remote debugging terminals.

Furthermore, the bus debugging system supports real-time monitoring and debugging work in the running process of the automobile and supports remote real-time monitoring and debugging work of debugging personnel under the automobile.

Furthermore, the type of the CAN-to-WIFI communication module comprises a CAN-to-WIFI module which is directly connected with different CAN buses through an IP network, and equipment which is formed by combining a WIFI-to-USB module and a USBCAN module.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is the utility model relates to a car CAN bus debug system's based on wireless communication schematic diagram.

Fig. 2 is the utility model relates to a car CAN bus debug system's system architecture picture based on wireless communication.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention. The components of the embodiments of the present invention described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. The detailed description of the present embodiments is not intended to limit the scope of the claimed invention, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

These and other aspects of embodiments of the invention will be apparent with reference to the following description and attached drawings. In the description and drawings, particular embodiments of the invention have been disclosed in detail as being indicative of some of the ways in which the principles of the embodiments of the invention may be practiced, but it is understood that the scope of the embodiments of the invention is not limited correspondingly. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.

The present invention is described below with reference to the accompanying drawings.

Fig. 1 is a schematic diagram of an embodiment of the present invention, which is based on a wireless communication-based car CAN bus debugging system. Such as

Fig. 1 shows, according to the utility model discloses car CAN bus debug system based on wireless communication, change WIFI communication module 200 and car bus diagnosis interface 300 including debug terminal 100, CAN. The debugging terminal 100 is connected with the CAN-to-WIFI communication module 200 in a wireless communication mode, the CAN-to-WIFI communication module 200 is connected into the automobile bus diagnosis interface 300, the debugging terminal 100 receives data from the automobile bus diagnosis interface 300 through the CAN-to-WIFI communication module 200, and simultaneously transmits the data to the automobile bus diagnosis interface 300 through the CAN-to-WIFI communication module 200, so that the aim of connection between each debugging terminal 100 and the automobile bus diagnosis interface 300 in a wired mode is fulfilled, a complex wiring mode is avoided, the problem of working space limitation is solved, and the efficiency and the coordination of field debugging work are improved.

The utility model relates to a car CAN bus debug system based on wireless communication supports the real time monitoring and the debugging work of car driving in-process, supports long-range real time monitoring and debugging work under the car simultaneously for the debugging work in automobile design research and development stage. Specifically, the type of the CAN-to-WIFI communication module 200 includes a CAN-to-WIFI module directly connected to different CAN buses through an IP network, and a device formed by combining a WIFI-to-USB module and a USBCAN module. The utility model discloses an in one embodiment, the debugging terminal 100 quantity in the bus debug system is more than three, and all debugging terminals 100 share a CAN and change WIFI communication module 200, and all debugging terminals 100 in the bus debug system CAN work in coordination each other.

Fig. 2 is a system architecture diagram of an automotive CAN bus debugging system based on wireless communication according to an embodiment of the present invention. As shown in fig. 2, according to the system architecture of the car CAN bus debugging system based on wireless communication of the embodiment of the present invention, the components in the system and the functions thereof in the system are as follows:

vehicle body can (bcan) 201: the method is used for automobile body system communication.

Power CAN (PCAN) 202: the method is used for power system communication.

On-vehicle low-voltage power supply 203: 12V or 24V, come from the little storage battery on the car for supply power for CAN changes WIFI module.

The CAN-to-WIFI module 204: the CAN bus data is converted into wireless signals to communicate with the local gateway.

The local gateway 205: and the local debugging terminal is in wireless communication with the CAN-to-WIFI module through the local gateway.

The foreign gateway 206: and intelligent networking is carried out between the remote gateway and the local gateway, and the remote debugging terminal is remotely connected to the CAN-to-WIFI module through the two networked gateways.

The local debug terminal 207: the CAN bus interface is used for receiving and transmitting CAN bus data in local real time and CAN be simultaneously accessed to a plurality of terminals.

Remote tuning terminal 208: the CAN bus interface is used for receiving and transmitting CAN bus data in a remote and real-time manner, and CAN be simultaneously accessed to a plurality of terminals.

The embodiment of the utility model provides an other constitutions and effects of car CAN bus debug system based on wireless communication are all known to technical personnel in this field, and for reducing redundancy, do not describe repeatedly.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides an automobile CAN bus debugging system based on wireless communication which characterized in that includes: more than three debugging terminals; a CAN-WIFI communication module; an automotive bus diagnostic interface; the wireless communication module is shared by more than three debugging terminals, and all the debugging terminals are accessed into the automobile bus diagnosis interface through the wireless communication module, receive and send data and perform real-time monitoring and debugging on the automobile.

2. The CAN bus debugging system for automobiles based on wireless communication of claim 1, wherein the bus debugging system is used for debugging in the development and development stage of automobile design.

3. The CAN bus debugging system based on wireless communication of claim 2, wherein the debugging terminal in the bus debugging system is not connected with the bus diagnosis interface in a wired manner.

4. The CAN bus debugging system for the vehicle based on wireless communication as claimed in claim 3, wherein the bus debugging system CAN realize remote debugging and monitoring, and debugging personnel are not limited to the vehicle.

5. The CAN bus debugging system for automobiles based on wireless communication of claim 4, wherein all debugging terminals in the bus debugging system CAN work in coordination with each other.

6. The CAN bus debugging system for wireless communication-based automobiles according to any one of claims 3 to 5, wherein the bus debugging system CAN access a plurality of local debugging terminals simultaneously.

7. The CAN bus debugging system for vehicles based on wireless communication of any one of claims 3 to 5, wherein the bus debugging system CAN simultaneously access a plurality of remote debugging terminals.

8. The CAN bus debugging system for automobiles based on wireless communication of any one of claims 3 to 5, wherein the bus debugging system supports real-time monitoring and debugging work during the driving process of automobiles and remote real-time monitoring and debugging work of debugging personnel under automobiles.

9. The wireless communication based automotive CAN bus debugging system according to any one of claims 3 to 5, wherein the CAN-to-WIFI communication module is of a type comprising a CAN-to-WIFI module directly connected to different CAN buses through an IP network, and a device formed by combining a WIFI-to-USB module and a USBCAN module.