CN210490903U

CN210490903U - Vehicle-mounted electronic equipment connected with CAN bus in vehicle

Info

Publication number: CN210490903U
Application number: CN201922330468.8U
Authority: CN
Inventors: 尹吉忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-05-08
Anticipated expiration: 2029-12-23

Abstract

The utility model discloses a vehicle-mounted electronic device connected with a CAN bus in a vehicle, relating to the technical field of vehicle-mounted electronics; the vehicle-mounted electronic equipment comprises a host and a steering wheel remote mouse, wherein the host comprises a CAN bus, a CAN bus interface, a processor, a Bluetooth gateway, a WIFI component and a G/G communication module, and the CAN bus interface is used for establishing a data connection channel with a vehicle general control computer in a vehicle; the CAN bus is used for carrying out data transmission connection on an automobile general control computer, a mobile phone APP and the processor; the processor is used for collecting vehicle running state information in the automobile main control computer and transmitting the vehicle running state information to the mobile phone APP. The electronic equipment reads the vehicle state feature code of the original OBD interface into the equipment through a Bluetooth and a wireless protocol through a CAN bus, establishes a communication link with the mobile phone through a gateway, converts the feature code into vehicle running state information by using special software built in the mobile phone after the mobile phone receives the vehicle state code, and displays the vehicle running state information to a user through a mobile phone screen.

Description

Vehicle-mounted electronic equipment connected with CAN bus in vehicle

Technical Field

The utility model relates to a vehicle-mounted electronic technology field specifically is a with interior CAN bus connection's of car on-vehicle electronic equipment.

Background

At present, the automobile is more and more reserved, most drivers lack deep understanding of the automobile, and the common characteristics of most automobile owners cannot be known. Meanwhile, with the popularization of smart phones, various bluetooth vehicle-mounted devices such as bluetooth headsets and in-vehicle sound boxes are increasing, how to uniformly manage the bluetooth devices in the vehicle, and how to complete communication with numerous bluetooth devices is also an important requirement of the current in-vehicle electronic device.

The OBD interface is arranged in the automobile model provided by the automobile manufacturer, and various states of the automobile can be read according to the OBD interface protocol. Along with various bluetooth car-mounted devices such as bluetooth headset, bluetooth stereo set in the car and intelligent stereo set more and more, how to unify the bluetooth equipment of management in the car to can accomplish and also be an important demand of current interior electronic equipment of car with numerous bluetooth equipment communication.

The smart phone integrates multiple functions of networking, computing, storing, displaying and the like, can be connected with the cloud end through the user APP, and manages the in-vehicle equipment by utilizing the smart phone and cloud computing, so that the smart phone is convenient for a user to use and is also a large application demand of a current vehicle owner.

With the increasing development of automobile network technology, a large number of electronic control systems, regulation systems and communication systems are used in automobiles, such as: in order to realize certain functions, data exchange among related systems needs network cross-linking of a control unit, and a traditional data transmission mode cannot meet the requirements of an automobile network; in recent years, a new data network, namely a Control Area Network (CAN), is adopted in a control system of an automobile network, has incomparable advantages with other field buses, and is widely applied to the automobile network.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a with interior CAN bus connection's on-vehicle electronic equipment to reach above-mentioned purpose.

In order to achieve the above object, the utility model provides a following technical scheme:

a vehicle-mounted electronic device connected with a CAN bus in a vehicle comprises a host and a steering wheel remote mouse, wherein the host comprises the CAN bus, a CAN bus interface, a processor, a Bluetooth gateway, a WIFI component and a G/G communication module, and the CAN bus interface is used for establishing a data connection channel with a vehicle main control computer in the vehicle; the CAN bus is used for carrying out data transmission connection on an automobile general control computer, a mobile phone APP and the processor; the processor is used for collecting vehicle running state information in the automobile main control computer and transmitting the vehicle running state information to the mobile phone APP.

On the basis of the technical scheme, the utility model discloses still provide following optional technical scheme:

in one alternative: the steering wheel remote mouse 2 is an independent wireless remote controller and is arranged on a steering wheel.

In one alternative: the host also comprises a WIFI component, a 4G/5G communication module and a Bluetooth gateway, wherein the 4G/5G communication module is in data communication with the processor 5 through a data bus and is connected with an operator by using a 4G/5G data network; the WIFI component comprises a WIFI radio frequency chip and an antenna and is used for providing WIFI network access for the in-vehicle equipment; the Bluetooth gateway adopts a master-slave dual-mode design and is used for establishing a stable interactive data path with a Bluetooth earphone, a Bluetooth sound box in a vehicle and a steering wheel remote mouse through being connected with a data bus.

In one alternative: the host machine further includes a data memory for storing the vehicle running state information acquired by the processor 5.

In one alternative: the CAN bus is a bus with a linear topological structure and adopts a twisted pair as a transmission medium.

In one alternative: the equipment also comprises a charging mobile phone holder which adopts wireless charging; the steering wheel remote mouse adopts a Bluetooth gateway to establish communication connection with a host.

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

the electronic equipment manages various wireless equipment in the vehicle in a unified mode through Bluetooth and a wireless protocol, configures different equipment use rules through mobile phone setting, conveniently manages the equipment, simultaneously reads vehicle state feature codes of an original OBD interface into the equipment through a CAN bus, and establishes a communication link with the mobile phone through a gateway. After receiving the vehicle state code, the mobile phone converts the feature code into vehicle running state information by using special software built in the mobile phone, and displays the vehicle running state information to a user through a mobile phone screen.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Notations for reference numerals: host computer 1, steering wheel remote mouse 2, CAN bus interface 3, CAN bus 4, treater 5, 4G/5G communication module 6, WIFI subassembly 7, bluetooth gateway 8, data memory 9, the cell-phone seat 10 that charges.

Detailed Description

The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the drawings or description, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practical applications. The embodiments of the present invention are provided only for illustration, and not for limiting the scope of the present invention. Any obvious and obvious modifications or alterations to the present invention can be made without departing from the spirit and scope of the present invention.

Example 1

Referring to fig. 1, in an embodiment of the present invention, an on-vehicle electronic device connected to a car interior CAN bus includes a host 1 and a steering wheel remote mouse 2, where the host 1 includes a CAN bus 4, a CAN bus interface 3, a processor 5, a bluetooth gateway 8, a WIFI component 7, and a 4G/5G communication module 6, and the CAN bus interface 3 is used to establish a data connection channel with a car general control computer in a car; the CAN bus 4 is used for carrying out data transmission connection on an automobile general control computer, a mobile phone APP and the processor 5; the processor 5 is used for collecting vehicle running state information in the automobile main control computer and transmitting the vehicle running state information to the mobile phone APP;

the steering wheel remote mouse 2 is an independent wireless remote controller and is arranged on a steering wheel, and a user can complete the functions of clicking, double clicking, long pressing and the like of the mouse by using an inertial hand for operating the steering wheel during the running of a vehicle;

the host 1 further comprises a WIFI component 7, a 4G/5G communication module 6 and a Bluetooth gateway 8;

the 4G/5G communication module 6 is in data communication with the processor 5 through a data bus and is connected with an operator by using a 4G/5G data network; the WIFI component 7 comprises a WIFI radio frequency chip and an antenna and is used for providing WIFI network access for the in-vehicle equipment; the Bluetooth gateway 8 adopts a master-slave dual-mode design and is used for finishing data interaction with a Bluetooth headset, a steering wheel remote mouse 2 and other Bluetooth devices and establishing a stable interaction data path with the Bluetooth headset, a Bluetooth sound in a vehicle and the steering wheel remote mouse 2 through connection with a data bus;

the host machine 1 further comprises a data storage 9, wherein the data storage 9 is used for storing the vehicle running state information acquired by the processor 5;

the CAN bus 4 is a bus of a linear topological structure, a twisted pair is used as a transmission medium, distributed control CAN be effectively supported, the CAN bus 4 consists of control nodes and two data lines, the positions of the nodes are the same, no determined host 1 exists, the CAN bus 4 CAN actively send information to other nodes on a network at any time without primary and secondary division, free communication CAN be realized among the nodes, the international standard of a CAN bus 4 protocol only defines a standard p5l of a physical layer and a data link layer, the physical layer of the CAN bus 4 is a driving circuit for connecting an ECU to the bus, and the total number of the connected nodes is only limited by electrical loads on the bus;

the electronic equipment manages various wireless equipment in the vehicle in a unified way through Bluetooth and a wireless protocol, and configures different equipment use rules through mobile phone setting so as to conveniently manage the equipment. Meanwhile, the vehicle state feature code of the original OBD interface is read into the equipment through the CAN bus 4, and a communication link is established with the mobile phone through the gateway. After receiving the vehicle state code, the mobile phone converts the feature code into vehicle running state information by using special software built in the mobile phone, and displays the vehicle running state information to a user through a mobile phone screen, and meanwhile, the mobile phone of the user can be conveniently placed in a special mobile phone seat and charges the mobile phone.

Example 2

The embodiment of the utility model provides a difference with embodiment 1 lies in: the equipment also comprises a charging mobile phone holder 10, and the charging mobile phone holder 10 adopts wireless charging; the steering wheel remote mouse 2 adopts a Bluetooth gateway 8 to establish communication connection with the host 1.

The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims

1. The vehicle-mounted electronic equipment connected with the CAN bus in the vehicle comprises a host (1) and a steering wheel remote mouse (2), and is characterized in that the host (1) comprises a CAN bus (4), a CAN bus interface (3), a processor (5), a Bluetooth gateway (8), a WIFI component (7) and a 4G/5G communication module (6), wherein the CAN bus interface (3) is used for establishing a data connection channel with a vehicle main control computer in the vehicle; the CAN bus (4) is used for carrying out data transmission connection on an automobile main control computer, a mobile phone APP and the processor (5); and the processor (5) is used for acquiring vehicle running state information in the automobile master control computer and transmitting the vehicle running state information to the mobile phone APP.

2. The in-vehicle electronic device connected to the in-vehicle CAN bus according to claim 1, wherein the steering wheel remote mouse (2) is an independent wireless remote controller and is mounted on a steering wheel.

3. The vehicle-mounted electronic device connected with the in-vehicle CAN bus of claim 1, wherein the host (1) further comprises a WIFI component (7), a 4G/5G communication module (6) and a Bluetooth gateway (8), the 4G/5G communication module (6) is in data communication with the processor (5) through a data bus and is connected with an operator by using a 4G/5G data network; the WIFI component (7) comprises a WIFI radio frequency chip and an antenna and is used for providing WIFI network access for the in-vehicle equipment; the Bluetooth gateway (8) adopts a master-slave dual-mode design and is used for establishing a stable interactive data path with a Bluetooth earphone, a Bluetooth sound in a vehicle and a steering wheel remote mouse (2) through being connected with a data bus.

4. The on-board electronic device connected to an in-vehicle CAN bus according to claim 3, wherein the host computer (1) further comprises a data storage (9), and the data storage (9) is used for storing the vehicle running state information acquired by the processor (5).

5. The in-vehicle electronics device connected to an in-vehicle CAN bus according to claim 1, wherein the CAN bus (4) is a bus of a linear topology and employs twisted pair wires as a transmission medium.

6. The vehicle-mounted electronic equipment connected with the in-vehicle CAN bus of claim 2, further comprising a charging mobile phone holder (10), wherein the charging mobile phone holder (10) adopts wireless charging; the steering wheel remote mouse (2) adopts a Bluetooth gateway (8) to establish communication connection with the host (1).