CN111679994A - Data interaction system, vehicle-mounted connector, peripheral equipment, automobile and data interaction method - Google Patents

Data interaction system, vehicle-mounted connector, peripheral equipment, automobile and data interaction method Download PDF

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Publication number
CN111679994A
CN111679994A CN202010507831.3A CN202010507831A CN111679994A CN 111679994 A CN111679994 A CN 111679994A CN 202010507831 A CN202010507831 A CN 202010507831A CN 111679994 A CN111679994 A CN 111679994A
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China
Prior art keywords
data
vehicle
peripheral equipment
mounted connector
data interaction
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CN202010507831.3A
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Chinese (zh)
Inventor
张武
曾庆生
何亮
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Shanghai Xiandou Intelligent Robot Co ltd
Shanghai Xianta Intelligent Technology Co Ltd
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Shanghai Xiandou Intelligent Robot Co ltd
Shanghai Xianta Intelligent Technology Co Ltd
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Priority to CN202010507831.3A priority Critical patent/CN111679994A/en
Publication of CN111679994A publication Critical patent/CN111679994A/en
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/382—Information transfer, e.g. on bus using universal interface adapter
    • G06F13/387—Information transfer, e.g. on bus using universal interface adapter for adaptation of different data processing systems to different peripheral devices, e.g. protocol converters for incompatible systems, open system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L12/40006—Architecture of a communication node
    • H04L12/40013—Details regarding a bus controller
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/08—Protocols for interworking; Protocol conversion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L2012/40208—Bus networks characterized by the use of a particular bus standard
    • H04L2012/40215—Controller Area Network CAN
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L2012/40267—Bus for use in transportation systems
    • H04L2012/40273—Bus for use in transportation systems the transportation system being a vehicle

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Health & Medical Sciences (AREA)
  • Computing Systems (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Information Transfer Between Computers (AREA)

Abstract

The invention provides a data interaction system, a vehicle-mounted connector, peripheral equipment, an automobile and a data interaction method, wherein the vehicle-mounted connector and the peripheral equipment are included, the vehicle-mounted connector comprises a first data transmission module and a first processing unit electrically connected with the first data transmission module, the peripheral equipment comprises a second data transmission module and a second processing unit connected with the second data transmission module, and the vehicle-mounted connector and the peripheral equipment are in data connection; the second processing unit sends data request information containing data interaction types and interaction contents to the vehicle-mounted connector, and the vehicle-mounted connector selectively controls corresponding data sources to carry out data connection with the peripheral equipment according to the interaction types and controls the data sources to carry out data interaction with the peripheral equipment according to the data interaction contents. The data interaction system can integrate different types of data interfaces into a whole, so that the peripheral equipment can selectively carry out data interaction with various data in the automobile through the vehicle-mounted connector.

Description

Data interaction system, vehicle-mounted connector, peripheral equipment, automobile and data interaction method
Technical Field
The invention relates to the technical field of communication, in particular to a data interaction system, a vehicle-mounted connector, peripheral equipment, an automobile and a data interaction method.
Background
With the development of the automobile industry, the types of peripheral devices connected to an automobile are increasing, and generally, the automobile can perform data interaction with the peripheral devices or supply power to the peripheral devices through various interfaces on the automobile. Data of interaction between the automobile and the peripheral equipment CAN be classified into CAN network data collected from a CAN network such as vehicle speed, driving mileage, brake, engine speed, steering wheel angle, temperature of each component, engine torque, accelerator opening, brake pedal, gear lever position, etc., map data, positioning data, control command data for playing music, playing video, audio input, etc., collected image and voice data of a driver, on-off control data of each equipment associated with an HMI system, parameter setting data of each equipment, HMI system data collected from the HMI system or stored in the HMI system such as music file and video file data.
In the prior art, an automobile can supply power to peripheral equipment through an expansion socket arranged at a cigarette lighter or a USB power supply interface on an automobile body; HMI system data can be transmitted through a USB interface connected with the HMI system; CAN network data CAN be acquired through an OBD interface on the automobile.
However, the above interfaces have independent functions, and for example, an interface for supplying power to peripheral equipment generally has only a power supply function and cannot interact with HMI system data and CAN network data; the interface interacting with the HMI system data CAN not obtain CAN network data; the interface interacting with the CAN network data cannot acquire HMI system data. This has limited the development of peripheral devices.
In addition, the OBD interface is a diagnosis interface, the acquired information is CAN network data, the interface belongs to a safety interface, and if illegal data writing of peripheral equipment is encountered, the safety of the automobile CAN be influenced through the OBD interface in turn, and potential safety hazards exist.
Automobile manufacturers generally place OBD interfaces in relatively concealed locations, such as below the fuse box, below the storage box, and below the center console. After the OBD interface is connected, the peripheral equipment has the defects of complex cable arrangement circuit or incapability of arranging the peripheral equipment.
Disclosure of Invention
In view of the above, the present invention provides a data interaction system, a vehicle-mounted connector, a peripheral device, an automobile and a data interaction method, where the data interaction system can integrate different types of data interfaces, so that the peripheral device can selectively perform data interaction with multiple types of data in the automobile through the vehicle-mounted connector.
The invention provides a data interaction system which comprises a vehicle-mounted connector and peripheral equipment, wherein the vehicle-mounted connector is in data connection with a plurality of data sources, the vehicle-mounted connector comprises a first data transmission module and a first processing unit electrically connected with the first data transmission module, the peripheral equipment comprises a second data transmission module and a second processing unit connected with the second data transmission module, and the vehicle-mounted connector is in data connection with the peripheral equipment through the first data transmission module and the second data transmission module;
the second processing unit sends data request information containing data interaction types of different data sources and data interaction contents of different data in the same data source to the vehicle-mounted connector, and the first processing unit of the vehicle-mounted connector selectively establishes data connection between the corresponding data source and the peripheral equipment according to the data interaction types and controls the data source and the peripheral equipment to perform data interaction of corresponding contents according to the data interaction contents.
Further, the data source comprises an HMI system and a CAN system, the data interaction category comprises HMI system data and CAN system data, the first processing unit selectively establishes data connection between the HMI system and/or the CAN and the peripheral equipment according to the request information of the data interaction category, and controls the HMI system and the peripheral equipment to carry out HMI system data interaction according to the request information of the data interaction content, and/or controls the CAN system and the peripheral equipment to carry out CAN network data interaction.
Further, the vehicle-mounted connector further comprises a wireless communication module, the wireless communication module is in data connection with a cloud server, the data source comprises a cloud server, the data interaction category further comprises cloud communication data, the vehicle-mounted connector establishes data connection among the HMI system, the CAN network and/or the cloud server and the peripheral equipment according to the data interaction category, and enables the HMI system and the peripheral equipment to perform data interaction of the HMI system data and enable the CAN network and the peripheral equipment to perform data interaction of the CAN network data and/or the cloud server and the peripheral equipment to perform data interaction of the cloud communication data according to request information of data interaction content.
The invention also provides a vehicle-mounted connector, which comprises a first data transmission module and a first processing unit, wherein the first data transmission module is used for establishing data connection with peripheral equipment;
the first data transmission module receives data request information which is transmitted by the peripheral equipment and contains data interaction types of different data sources and data request information of data interaction contents of different data in the same data source, and transmits the data request information to the first processing unit;
the first processing unit selectively controls the corresponding data source to carry out data connection with the peripheral equipment according to the interaction category, and controls the data source to carry out data interaction with the peripheral equipment according to the data interaction content.
Further, the data source comprises an HMI system and a CAN network, and the data interaction category comprises the HMI system and the CAN network system; the first processing unit analyzes the request information, selectively connects the HMI system and/or the CAN network with the peripheral equipment in a data connection mode according to the data request information of the data interaction category, controls the HMI system and the peripheral equipment to perform data interaction of HMI system data according to the data request information of the data interaction content, and/or controls the CAN network and the peripheral equipment to perform data interaction of CAN network data.
Further, the vehicle-mounted connector further comprises a wireless communication module, the wireless communication module is in data connection with a cloud server, the data source comprises a cloud server, the data interaction category further comprises cloud communication data, the vehicle-mounted connector establishes data connection among the HMI system, the CAN network and/or the cloud server and the peripheral equipment according to the data category, and enables the HMI system and the peripheral equipment to perform data interaction of the HMI system data, enable the CAN network and the peripheral equipment to perform data interaction of the CAN network data and/or enable the cloud server and the peripheral equipment to perform data interaction of the cloud communication data according to request information of data interaction content.
Further, a first security module is further arranged in the vehicle-mounted connector, the first security module authenticates the peripheral equipment which establishes data connection with the vehicle-mounted connector, and after the authentication is passed, the first processing unit analyzes the data request information.
Furthermore, a first security module is arranged in the vehicle-mounted connector, and the first security module encrypts and decrypts data in the process of outputting and receiving the data through the vehicle-mounted connector.
Further, still be provided with first power module on the on-vehicle connector, first power module links to each other with automobile storage battery to outside power supply.
Furthermore, a circuit protection module is arranged in the vehicle-mounted connector and used for protecting all elements in the vehicle-mounted connector.
The invention also provides peripheral equipment which comprises a second data transmission module used for establishing data connection with the vehicle-mounted connector and a second processing unit connected with the second data transmission module, wherein the second processing unit sends data request information containing data interaction types of different data sources and data request information containing data interaction contents of different data in the same data source to the vehicle-mounted connector through the second data transmission module.
Furthermore, a second security module is arranged in the peripheral equipment, and the second security module encrypts and decrypts information output and received by the peripheral equipment respectively.
Further, the peripheral equipment comprises a vehicle-mounted sound box, an air purifier, an intelligent sound box, a vehicle-mounted water cup, a vehicle-mounted coffee machine, a vehicle-mounted sterilizing lamp, a vehicle-mounted holographic projection, a vehicle-mounted refrigerator or a mobile phone.
The invention also provides a data interaction method, which comprises the following steps:
establishing data connection between the vehicle-mounted connector and the peripheral equipment;
the peripheral equipment sends data request information containing data interaction types of different data sources and data request information of data interaction contents of different data in the same data source to the vehicle-mounted connector;
the vehicle-mounted connector analyzes the data interaction category and the data interaction content;
and the vehicle-mounted connector selectively controls the corresponding data source to carry out data connection with the peripheral equipment according to the interaction category, and controls the data source to carry out data interaction with the peripheral equipment according to the data interaction content.
Further, the data source comprises an HMI system, a CAN network and a cloud server, the data category comprises HMI system data, CAN network data and cloud communication data, the vehicle-mounted connector establishes data connection among the HMI system, the CAN network and/or the cloud server and the peripheral equipment according to the data category, and enables the HMI system and the peripheral equipment to perform data interaction of the HMI system data, the CAN network and the peripheral equipment to perform data interaction of the CAN network data and/or the cloud server and the peripheral equipment to perform data interaction of the cloud communication data according to request information of data interaction content.
Further, the method also comprises the steps that the peripheral equipment sends authentication information to the vehicle-mounted connector;
the vehicle-mounted connector authenticates the peripheral equipment connected with the data;
and after the authentication is passed, the vehicle-mounted connector analyzes the received data interaction type and the data request information of the data interaction content.
Further, the method further comprises the step that the vehicle-mounted connector and the peripheral equipment respectively encrypt and decrypt data output and received by the vehicle-mounted connector and the peripheral equipment.
The invention also provides a data interaction method of the vehicle-mounted connector, which comprises the following steps:
establishing data connection between the vehicle-mounted connector and peripheral equipment;
receiving data request information which is sent by peripheral equipment and contains data interaction types of different data sources and data request information of data interaction contents of different data in the same data source;
analyzing the data request information;
and selectively controlling the corresponding data source to carry out data connection with the peripheral equipment according to the interaction category, and controlling the data source to carry out data interaction with the peripheral equipment according to the data interaction content.
Further, the data source comprises an HMI system, a CAN network and a cloud server, the data types comprise HMI system data, CAN network data and cloud communication data, the vehicle-mounted connector establishes data connection among the HMI system, the CAN network and/or the cloud server and the peripheral equipment according to the data types, and controls the output and the reception of the HMI system data, the output and the reception of the CAN network data and/or the output and the reception of the cloud communication data according to the data request information of the data interaction content.
Further, the method further comprises the step that when the vehicle-mounted connector judges that the data request information is data written into the CAN network, the vehicle-mounted connector prohibits the data writing into the CAN network.
Further, the method further comprises the steps of authenticating the peripheral equipment connected with the vehicle-mounted connector, and analyzing the received data request information after the peripheral equipment passes the authentication.
Further, when data interaction is carried out, the method further comprises the step that the vehicle-mounted connector encrypts and decrypts the output and received data.
The invention also provides a data interaction method of the peripheral equipment, which comprises the following steps:
establishing data connection of the peripheral equipment to the vehicle-mounted connector;
and sending data request information containing data interaction types of different data sources and data request information of data interaction contents of different data in the same data source to the vehicle-mounted connector.
Further, the method also includes performing data interaction with a plurality of data sources through the in-vehicle connector.
The invention further provides an automobile comprising the vehicle-mounted connector.
In summary, the data interaction system, the vehicle-mounted connector, the peripheral equipment and the data interaction method provided by the invention CAN integrate different types of data interfaces, so that the peripheral equipment CAN simultaneously perform data interaction with data such as CAN network data, HMI system data, cloud communication data and the like through the vehicle-mounted connector, the connection process of the peripheral equipment is simplified, and the types of the peripheral equipment on the automobile are expanded. Furthermore, the peripheral equipment can acquire various data more easily by means of related equipment in the automobile, the types of acquired data are increased, the peripheral equipment can perform related analysis on more data, and the intelligent degree of the peripheral equipment is improved. Furthermore, the peripheral equipment does not need to be provided with various information acquisition units and network transmission units, so that the cost of the peripheral equipment is reduced, and the popularization of various peripheral equipment in the automobile can be accelerated.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a system block diagram of a data interaction system according to an embodiment of the present invention.
Fig. 2 is a system block diagram of the vehicle-mounted connector according to the embodiment of the present invention.
Fig. 3 is a system block diagram of a peripheral device according to an embodiment of the present invention.
Fig. 4 is a schematic flowchart of a data interaction method when the data interaction system performs data interaction according to an embodiment of the present invention.
Fig. 5 is a schematic flowchart of a data interaction method when the vehicle-mounted connector performs data interaction according to an embodiment of the present invention.
Fig. 6 is a schematic flowchart of a data interaction method when the peripheral device performs data interaction according to an embodiment of the present invention.
Detailed Description
To further explain the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description is given with reference to the accompanying drawings and preferred embodiments.
The invention provides a data interaction system, a vehicle-mounted connector, peripheral equipment, an automobile and a data interaction method.
Fig. 1 is a system block diagram of a data interaction system according to an embodiment of the present invention. As shown in fig. 1, the data interaction system according to the embodiment of the present invention includes a vehicle-mounted connector 10 and a peripheral device 20 in data connection with the vehicle-mounted connector 10, where the vehicle-mounted connector 10 is in data connection with data sources such as an HMI system and a CAN network of an automobile. The vehicle-mounted connector 10 is provided with a first data transmission module 11 and a first processing unit 12 electrically connected with the first data transmission module 11, the peripheral device 20 is provided with a second data transmission module 21 and a second processing unit 22 electrically connected with the second data transmission module 21, the first data transmission module 11 is in data connection with the second data transmission module 21, the second processing unit 22 sends data request information containing data interaction types and data interaction contents to the first processing unit 12 through the second data transmission module 21 and the first data transmission module 11, the first processing unit 21 selectively establishes data connection between a corresponding data source and the peripheral device 20 according to the data interaction types, and controls the data source and the peripheral device 20 to perform data interaction of the corresponding contents according to the data interaction contents.
More specifically, the data sources may be an HMI system and a CAN network, and accordingly, the data interaction category includes HMI system data and CAN network data. The first processing unit 12 selectively connects the HMI system and/or the car CAN network to the peripheral device 20 through the first data transmission module 11 and the second data transmission module 21 according to the request information of the data interaction category, and controls the HMI system to perform data interaction of the HMI system data with the peripheral device 20 through the first data transmission module 11 and the second data transmission module 21 according to the request information of the data interaction content, and/or controls the car CAN network to perform data interaction of the CAN network data with the peripheral device 20.
In this embodiment, the data transmission content of the HMI system 32 data includes, but is not limited to, files stored in the vehicle-mounted entertainment system, control commands acquired from the vehicle-mounted entertainment system, information acquired by information acquisition devices such as an instrument display, a camera, a radar, and the like; the data transmission content of the CAN network 33 data includes, but is not limited to, original vehicle body data of vehicle speed, driving distance, brake, engine speed, steering wheel angle, temperature of each component, engine torque, accelerator opening, brake pedal, gear lever position, etc.
First, the peripheral device 20, which has been connected to the in-vehicle connector 10, may selectively make a data connection with an HMI system of an automobile and/or an automobile CAN network through the in-vehicle connector 10 according to a data interaction category transmitted by the peripheral device 20. When the peripheral equipment 20 sends a request for data interaction with the HMI system, the vehicle-mounted connector 10 connects the HMI system with the peripheral equipment 20 in a data connection mode and carries out data interaction of corresponding HMI system data according to data interaction content; when the peripheral equipment 20 sends a request for data interaction with the CAN network, the vehicle-mounted connector 10 establishes data connection between the CAN network and the peripheral equipment 20, and performs data interaction of corresponding CAN network data according to data interaction content; when the peripheral device 20 simultaneously sends out a request for data interaction with the HMI system and data interaction with the CAN network, the vehicle-mounted connector 10 simultaneously establishes data connection between the CAN network and the HMI system and the peripheral device 20, and performs data interaction of the corresponding CAN network data and HMI system data according to the data interaction content.
That is, in the present embodiment, a plurality of data sources, such as the CAN network and the HMI system, are integrated by the arrangement of the vehicle-mounted connector 10, and the peripheral device 20 CAN be selectively connected to the CAN network and the HMI system through the vehicle-mounted connector 10. Meanwhile, the vehicle-mounted connector 10 serves as an integrated interface for various data interaction on the vehicle and CAN be in data connection with the plurality of peripheral equipment 20, so that when the plurality of peripheral equipment 20 are arranged on the vehicle, each peripheral equipment 20 CAN easily interact with the vehicle for various data, connecting lines with a CAN (controller area network) and/or an HMI (human machine interface) system do not need to be independently arranged, the connecting process of the peripheral equipment 20 is simplified, and the application and the variety of the peripheral equipment 20 on the vehicle are expanded.
In this embodiment, when the peripheral device 20 sends the request information, the data interaction type code and the data interaction content code may be added to the header of the request information to specify the data interaction type and the data interaction content; the vehicle-mounted connector 10 may determine the data interaction category and the data interaction content requested by the peripheral device 20 by analyzing the header in the request information of the peripheral device 20.
In the present embodiment, the data interaction includes data transmission from the vehicle side to the peripheral device 20 side, and data transmission from the peripheral device 20 side to the vehicle side. The first processing unit 12 of the vehicle-mounted connector 10 also judges the data request information transmitted by the peripheral device 20, and prohibits the peripheral device 20 from writing data into the CAN network. That is, in the present embodiment, the in-vehicle connector 10 CAN transmit the CAN network data and the HMI system data to the peripheral device 20, but the data written into the CAN network by the peripheral device 20 is prohibited, and only the HMI system data CAN be transmitted to the in-vehicle connector 10. Therefore, the CAN network data CAN be prevented from being changed due to the self fault of the peripheral equipment 20 or malicious software, and the safety performance of the automobile CAN be ensured.
Further, in this embodiment, the first data transmission module 11 and the second data transmission module 21 may be communicatively connected in a wireless manner such as wifi, radio frequency, bluetooth, BT (BitTorrent, bit stream) to realize data interaction. It CAN be understood that it CAN also be connected in a wired communication manner through interfaces such as a USB interface, a UART interface, a CAN line interface, an LVDS interface, an HDMI interface, or an MIPI interface, etc. to implement data interaction.
Further, in this embodiment, the vehicle-mounted connector 10 further includes a wireless communication module 13 such as 4G and/or 5G, the wireless communication module 13 is connected to a cloud server, such as an IOT (Internet of Things) platform data connection, the data interaction category further includes cloud communication data, when the first processing unit 12 determines that the request information of the data interaction category of the peripheral device 20 is the cloud communication data, the vehicle-mounted connector 10 establishes a data connection between the peripheral device 20 and the cloud server, and according to the request information of the data interaction content, the data interaction of the cloud communication data between the peripheral device 20 and the cloud server is realized through the wireless communication module 13.
That is, the vehicle-mounted connector 10 establishes data connection between the HMI system, the CAN network, and/or the cloud server and the peripheral device 20 according to the data interaction category, and enables the HMI system and the peripheral device 20 to perform data interaction of HMI system data, the CAN network and the peripheral device 20 to perform data interaction of CAN network data, and/or the cloud server and the peripheral device 20 to perform data interaction of cloud communication data according to the request information of the data interaction content.
In this embodiment, the cloud communication data includes, but is not limited to, control command data of a remote mobile device such as a mobile phone, information service data provided by platform service providers such as weather information, road condition information, map information, song information, video information, and broadcast information, and the like.
Further, in this embodiment, the vehicle-mounted connector 10 is further provided with a first security module 14, the peripheral device 20 is further provided with a second security module 23, after the peripheral device 20 establishes data connection with the vehicle-mounted connector 10, the second security module 23 sends authentication information containing data interaction permission to the first security module 14, the first security module 14 authenticates the peripheral device 20 establishing data connection with the vehicle-mounted connector 10, and the vehicle-mounted connector 10 only analyzes the data request information of the peripheral device 20 after the data interaction permission authentication.
Further, the first security module 14 encrypts the transmitted data and decrypts the received data by the first security module 14 and the second security module 23, so as to ensure the security of data communication.
Further, a first power supply module 16 for supplying power to the peripheral device 20 is further arranged on the vehicle-mounted connector 10, the first power supply module 16 is connected with a vehicle storage battery, a second power supply module 24 is further arranged in the peripheral device 20, and when the peripheral device 20 is connected with the vehicle-mounted connector 10, the vehicle-mounted connector 10 can supply power to the second power supply module 24 of the peripheral device 20 through the first power supply module 16.
In the present embodiment, a power supply interface is provided on the vehicle-mounted connector 10, the peripheral device 20 can be connected to the vehicle-mounted connector 10 through the power supply interface, and the vehicle-mounted connector 10 supplies power to the peripheral device 20 through the power supply interface and performs data interaction with the peripheral device 20.
In other embodiments, the first power supply module 16 may also be a wireless power supply device, and the vehicle-mounted connector 10 supplies power to the peripheral device 20 by wireless power supply.
Further, a circuit protection module 17 is disposed on the vehicle-mounted connector 10 to protect the vehicle and the peripheral device 20 during power supply. The circuit protection module 17 detects the remaining power amount in the battery, and stops supplying power to the peripheral device when the remaining power amount in the battery is lower than a set threshold. The circuit protection module 17 detects whether the short circuit phenomenon exists in the peripheral device 20, and stops supplying power to the peripheral device 20 when the short circuit phenomenon exists in the peripheral device.
In the present embodiment, the peripheral device 20, taking the car audio as an example, when connected to the car connector 10, the peripheral device 20 transmits authentication information to the car connector 10, the car connector 10 authenticates the authentication information, and if the authentication is passed, the car connector 10 starts analyzing the data request information transmitted by the peripheral audio.
If the data request information is contained, the peripheral audio requests the vehicle-mounted connector 10 to acquire data request information of driver fatigue and weather information in HMI system data and data request information of vehicle speed in CAN network data, the vehicle-mounted connector 10 respectively establishes data connection between the HMI system and the CAN network and the vehicle-mounted audio according to the data interaction category and the information of the data interaction content, and transmits the requested information in the data interaction content to the vehicle-mounted audio; and the vehicle-mounted sound equipment judges and takes corresponding operation according to the information.
Through the mode, the data interaction system CAN centralize different types of data interfaces into a whole, so that the peripheral equipment 20 CAN simultaneously perform data interaction with data such as CAN network data, HMI system data, cloud communication data and the like through the vehicle-mounted connector 10, the connection process of the peripheral equipment 20 is simplified, and the types of the peripheral equipment 20 on the automobile are expanded. Further, the peripheral device 20 can acquire various data more easily by means of the related devices in the automobile, so that the types of the acquired data are increased, the peripheral device 20 can perform related analysis on more data, and the intelligence degree of the peripheral device 20 is improved. Furthermore, the peripheral device 20 does not need to be provided with various information acquisition units and network transmission units, so that the cost of the peripheral device 20 is reduced, and the popularization of various peripheral devices 20 in the automobile can be accelerated.
Fig. 2 is a system block diagram of the vehicle-mounted connector according to the embodiment of the present invention. As shown in fig. 2, the present invention further provides a vehicle-mounted connector 10, where the vehicle-mounted connector 10 includes a first data transmission module 11 configured to establish a data connection with the peripheral device 20, and a first processing unit 12 electrically connected to the first data transmission module 11, the first data transmission module 11 is configured to receive data request information transmitted by the peripheral device 20, the first processing unit 12 analyzes the received request information including a data interaction category and a data interaction content, selectively establishes a data connection between a corresponding data source and the peripheral device 20 through the first data transmission module 11 and the second data transmission module 21 according to the request information of the data interaction category, and controls the data source having established the connection to perform data interaction with the peripheral device 20 according to the data interaction content.
Further, the data source may be an HMI system and a CAN network, that is, the data interaction category may be HMI system data and CAN network data. The vehicle-mounted connector is used for connecting the HMI system and/or the automobile CAN network with the peripheral equipment 20 according to the data interaction category, controlling the HMI system and the peripheral equipment 20 to carry out data interaction of HMI system data through the first data transmission module 11 according to the request information of the data interaction content, and/or controlling the automobile CAN network and the peripheral equipment 20 to carry out data interaction of CAN network data.
Further, in this embodiment, the vehicle-mounted connector 10 further includes a wireless communication module 13, the wireless communication module 13 is in data connection with a cloud server, at this time, the data source may also be the cloud server, and the data interaction category correspondingly includes cloud communication data. The first processing unit 12 analyzes the received request information including the data interaction category and the data interaction content, the vehicle-mounted connector 10 establishes data connection between the HMI system, the CAN network and/or the cloud server and the peripheral equipment 20 according to the data interaction category, and enables the HMI system and the peripheral equipment 20 to perform data interaction of HMI system data, the CAN network and the peripheral equipment 20 to perform data interaction of CAN network data and/or the cloud server and the peripheral equipment 20 to perform data interaction of cloud communication data according to the request information of the data interaction content.
Further, a first security module 14 is further disposed in the vehicle-mounted connector 10, the first security module 14 performs data interaction permission authentication on an external device that establishes data connection with the vehicle-mounted connector 10, and the first processing unit 12 analyzes the received request information only after the authentication is passed.
Further, the first security module 14 encrypts and decrypts data during the process of outputting and receiving the data through the in-vehicle connector 10, respectively.
Further, a first power supply module 16 is further disposed on the vehicle-mounted connector 10, and the first power supply module 16 is connected with a vehicle storage battery and supplies power to the vehicle storage battery.
Further, a circuit protection module 17 is further disposed in the vehicle-mounted connector 10 to prevent the vehicle power loss from being too large due to too high power consumption of the vehicle-mounted connector 10 and the peripheral device 20 connected to the vehicle-mounted connector 10, and prevent internal components of the vehicle-mounted connector 10 and the peripheral device 20 connected to the vehicle-mounted connector 10 from being damaged due to a line fault of the vehicle-mounted connector 10.
Fig. 3 is a system block diagram of a peripheral device according to an embodiment of the present invention. As shown in fig. 3, the present invention further provides a peripheral device 20, where the peripheral device 20 includes, but is not limited to, a car stereo, an air purifier, a smart stereo, a car cup, a car coffee machine, a car germicidal lamp, a car holographic projection, a car refrigerator or a mobile phone.
The peripheral device 20 includes a second data transmission module 21 connected to the vehicle-mounted connector 10 and a second processing unit 22 connected to the second data transmission module 21, and the second processing unit 22 sends data request information including data interaction type and data interaction content to the vehicle-mounted connector 10 through the second data transmission module 21.
Further, a second security module 23 is further provided in the peripheral device 20, and the second security module 23 transmits authentication information including data interaction permission to the in-vehicle connector 10.
Further, the second security module 23 also encrypts and decrypts data output from the peripheral device 20 to and received from the in-vehicle connector 10, respectively.
Fig. 4 is a schematic flowchart of a data interaction method when the data interaction system performs data interaction according to an embodiment of the present invention. As shown in fig. 4, the present invention also provides a data interaction method based on the data interaction system, which includes the following steps:
s11: establishing data connection between the vehicle-mounted connector 10 and the peripheral equipment 20;
s12: the peripheral equipment 20 sends data request information containing data interaction categories requesting different data sources and data request information containing different data interaction contents in the same data source to the vehicle-mounted connector 10;
s13: the vehicle-mounted connector 10 analyzes the data interaction type and the data interaction content;
s14: and selectively controlling the corresponding data source to carry out data connection with the peripheral equipment according to the data interaction category, and controlling the data source to carry out data interaction with the peripheral equipment according to the data interaction content.
In this embodiment, the data source may be from an HMI system, a CAN network, and a cloud server, and accordingly, the data interaction category may include HMI system data, CAN network data, and cloud communication data, because the data source of the HMI system data is the HMI system, the data source of the CAN network data is the CAN network, and the data source of the cloud communication data is the cloud server. Therefore, data connection between the HMI system, the CAN network and/or the cloud server and the peripheral device 20 is selectively established according to the data interaction category, and the HMI system and the peripheral device 20 are controlled to perform data interaction of HMI system data, the CAN network and the peripheral device 20 are controlled to perform data interaction of the CAN network, and/or the cloud server and the peripheral device are controlled to perform data interaction of cloud communication data according to the data interaction content.
Further, the method further comprises: the peripheral device 20 sends authentication information to the vehicle-mounted connector 10, the vehicle-mounted connector 10 authenticates the data-connected peripheral device 20, and after the authentication is passed, the vehicle-mounted connector 10 analyzes the received data request information of the data interaction type and the data interaction content.
Further, when data interaction is performed, the method further comprises: the in-vehicle connector 10 and the peripheral device 20 encrypt and decrypt data respectively output and received.
Fig. 5 is a schematic flowchart of a data interaction method when the vehicle-mounted connector performs data interaction according to an embodiment of the present invention. As shown in fig. 5, the present invention also provides a data transmission method of the vehicle-mounted connector 10, including:
s21: establishing data connection between the vehicle-mounted connector 10 and the peripheral equipment 20;
s22: receiving data request information containing data interaction categories requesting different data sources and data request information of different data interaction contents in the same data source, which are sent from the peripheral device 20;
s23: analyzing the received data request information;
s24: and selectively controlling the corresponding data source to carry out data connection with the peripheral equipment according to the interaction category, and controlling the data source to carry out data interaction with the peripheral equipment according to the data interaction content.
In this embodiment, the data interaction category includes HMI system data, CAN network data, and cloud communication data, and the data source of the HMI system data is an HMI system, the data source of the CAN network data is a CAN network, and the data source of the cloud communication data is a cloud server. Therefore, the vehicle-mounted connector 10 selectively establishes data connection between the HMI system, the CAN network and/or the cloud server and the peripheral device 20 according to the data interaction category in the request message, and controls output and reception of HMI system data, output and reception of CAN network data and/or output and reception of cloud communication data according to the data interaction content in the request message.
Further, the method further comprises: when the in-vehicle connector 10 determines that the request message is to write the CAN network data into the CAN network, the data connection between the CAN network and the peripheral device 20 is disconnected, and the peripheral device 20 is prohibited from writing the data into the CAN network.
Further, the method further comprises: the peripheral device 20 is authenticated, and after the authentication is passed, the received data request information is analyzed.
Further, when data interaction is performed, the method further comprises: and encrypting and decrypting the output and received data.
Fig. 6 is a schematic flowchart of a data interaction method when the peripheral device performs data interaction according to an embodiment of the present invention. As shown in fig. 6, the present invention further provides a data transmission method of the peripheral device 20, where the method includes:
s31: establishing data connection between the vehicle-mounted connector 10 and the peripheral equipment 20;
s32: and sending data request information containing data interaction types requesting different data sources and data request information of different data interaction contents in the same data source to the vehicle-mounted connector 10.
Further, the method includes sending authentication information to the in-vehicle connector 10 before sending the request information including the data interaction type and the data interaction content.
Further, the method also comprises encrypting and decrypting the output and input data.
The present invention further provides an automobile including the above-mentioned vehicle-mounted connector 10, and for other technical features of the automobile, please refer to the prior art, which is not described herein again.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (25)

1. A data interaction system, characterized by: the vehicle-mounted connector is in data connection with a plurality of data sources, the vehicle-mounted connector comprises a first data transmission module and a first processing unit electrically connected with the first data transmission module, the peripheral equipment comprises a second data transmission module and a second processing unit connected with the second data transmission module, and the vehicle-mounted connector is in data connection with the peripheral equipment through the first data transmission module and the second data transmission module;
the second processing unit sends data request information containing data interaction types requesting different data sources and different data interaction contents in the same data source to the vehicle-mounted connector, and the first processing unit of the vehicle-mounted connector selectively establishes data connection between the corresponding data source and the peripheral equipment according to the data interaction types and controls the data source and the peripheral equipment to perform data interaction of corresponding contents according to the data interaction contents.
2. The data interaction system of claim 1, wherein: the data source comprises an HMI system and a CAN system, the data interaction category comprises HMI system data and CAN system data, the first processing unit selectively establishes data connection between the HMI system and/or the CAN and the peripheral equipment according to the request information of the data interaction category, and controls the HMI system and the peripheral equipment to carry out HMI system data interaction according to the request information of the data interaction content, and/or the CAN system and the peripheral equipment to carry out CAN network data interaction.
3. The data interaction system of claim 2, wherein: the vehicle-mounted connector further comprises a wireless communication module, the wireless communication module is in data connection with the cloud server, the data source comprises the cloud server, the data interaction category further comprises cloud communication data, the vehicle-mounted connector establishes the data connection among the HMI system, the CAN network and/or the cloud server and the peripheral equipment according to the data interaction category, and enables the HMI system and the peripheral equipment to conduct data interaction of the HMI system data and enable the CAN network and the peripheral equipment to conduct data interaction of the CAN network data and/or the cloud server and the peripheral equipment to conduct data interaction of the cloud communication data according to request information of data interaction content.
4. An on-vehicle connector characterized in that: the system comprises a first data transmission module and a first processing unit, wherein the first data transmission module is used for establishing data connection with peripheral equipment;
the first data transmission module receives data request information which is transmitted by the peripheral equipment and contains data interaction types requesting different data sources and data request information of different data interaction contents in the same data source, and transmits the data request information to the first processing unit;
the first processing unit selectively controls the corresponding data source to carry out data connection with the peripheral equipment according to the interaction category, and controls the data source to carry out data interaction with the peripheral equipment according to the data interaction content.
5. The vehicle-mounted connector according to claim 4, characterized in that: the data source comprises an HMI system and a CAN network, and the data interaction category comprises the HMI system and the CAN network system; the first processing unit analyzes the request information, selectively connects the HMI system and/or the CAN network with the peripheral equipment in a data connection mode according to the data request information of the data interaction category, controls the HMI system and the peripheral equipment to perform data interaction of HMI system data according to the data request information of the data interaction content, and/or controls the CAN network and the peripheral equipment to perform data interaction of CAN network data.
6. The vehicle-mounted connector according to claim 5, characterized in that: the vehicle-mounted connector further comprises a wireless communication module, the wireless communication module is in data connection with the cloud server, the data source comprises the cloud server, the data interaction category further comprises cloud communication data, the vehicle-mounted connector establishes the data connection among the HMI system, the CAN network and/or the cloud server and the peripheral equipment according to the data category, and enables the HMI system and the peripheral equipment to conduct data interaction of the HMI system data and enables the CAN network and the peripheral equipment to conduct data interaction of the CAN network data and/or the cloud server and the peripheral equipment to conduct data interaction of the cloud communication data according to request information of data interaction content.
7. The vehicle-mounted connector according to claim 4, characterized in that: the vehicle-mounted connector is internally provided with a first safety module, the first safety module authenticates the peripheral equipment which establishes data connection with the vehicle-mounted connector, and the first processing unit analyzes the data request information after the authentication is passed.
8. The vehicle-mounted connector according to claim 4, wherein: the vehicle-mounted connector is internally provided with a first safety module, and the first safety module encrypts and decrypts data in the process of outputting and receiving the data through the vehicle-mounted connector.
9. The vehicle-mounted connector according to claim 4, characterized in that: the vehicle-mounted connector is also provided with a first power supply module, and the first power supply module is connected with the automobile storage battery and supplies power to the outside.
10. The vehicle-mounted connector according to claim 4, characterized in that: and a circuit protection module is also arranged in the vehicle-mounted connector and used for protecting each element in the vehicle-mounted connector.
11. A peripheral device, characterized by: the data transmission method comprises a second data transmission module used for establishing data connection with a vehicle-mounted connector and a second processing unit connected with the second data transmission module, wherein the second processing unit sends data request information containing data interaction types for requesting different data sources and data request information containing different data interaction contents in the same data source to the vehicle-mounted connector through the second data transmission module.
12. The peripheral device of claim 11, wherein: and a second safety module is arranged in the peripheral equipment and sends authentication information to the vehicle-mounted connector.
13. The peripheral device of claim 11, wherein: the peripheral equipment comprises a vehicle-mounted sound box, an air purifier, an intelligent sound box, a vehicle-mounted water cup, a vehicle-mounted coffee machine, a vehicle-mounted sterilizing lamp, a vehicle-mounted holographic projection, a vehicle-mounted refrigerator or a mobile phone.
14. A method of data interaction, characterized by: the method comprises the following steps:
establishing data connection between the vehicle-mounted connector and the peripheral equipment;
the peripheral equipment sends data request information containing data interaction types requesting different data sources and data request information of different data interaction contents in the same data source to the vehicle-mounted connector;
the vehicle-mounted connector analyzes the data interaction category and the data interaction content;
and the vehicle-mounted connector selectively controls the corresponding data source to carry out data connection with the peripheral equipment according to the interaction category, and controls the data source to carry out data interaction with the peripheral equipment according to the data interaction content.
15. The data interaction method of claim 14, wherein: the data source comprises an HMI system, a CAN network and a cloud server, the data category comprises HMI system data, CAN network data and cloud communication data, the vehicle-mounted connector establishes data connection among the HMI system, the CAN network and/or the cloud server and the peripheral equipment according to the data category, and enables the HMI system and the peripheral equipment to perform data interaction of the HMI system data, the CAN network and the peripheral equipment to perform data interaction of the CAN network data and/or the cloud server and the peripheral equipment to perform data interaction of the cloud communication data according to request information of data interaction content.
16. The data interaction method of claim 14, wherein:
the method also comprises the step that the peripheral equipment sends authentication information to the vehicle-mounted connector;
the vehicle-mounted connector authenticates the peripheral equipment connected with the data;
and after the authentication is passed, the vehicle-mounted connector analyzes the received data interaction type and the data request information of the data interaction content.
17. The data interaction method of claim 14, wherein: the method also comprises the step that the vehicle-mounted connector and the peripheral equipment respectively encrypt and decrypt data output and received by the vehicle-mounted connector and the peripheral equipment.
18. A data interaction method of a vehicle-mounted connector is characterized by comprising the following steps: the method comprises the following steps:
establishing data connection between the vehicle-mounted connector and peripheral equipment;
receiving data request information which is sent by peripheral equipment and contains data interaction types of different data sources and data request information of data interaction contents of different data in the same data source;
analyzing the data request information;
and selectively controlling the corresponding data source to carry out data connection with the peripheral equipment according to the interaction category, and controlling the data source to carry out data interaction with the peripheral equipment according to the data interaction content.
19. The data interaction method of the vehicle-mounted connector according to claim 18, characterized in that: the data source comprises an HMI system, a CAN network and a cloud server, the data category comprises HMI system data, CAN network data and cloud communication data, the vehicle-mounted connector establishes data connection among the HMI system, the CAN network and/or the cloud server and the peripheral equipment according to the data category, and controls the output and the receiving of the HMI system data, the output and the receiving of the CAN network data and/or the output and the receiving of the cloud communication data according to the data request information of the data interaction content.
20. The data interaction method of the vehicle-mounted connector according to claim 19, wherein: the method further comprises the step that when the vehicle-mounted connector judges that the data request information is data written into the CAN network, the vehicle-mounted connector prohibits the data writing into the CAN network.
21. The data interaction method of the vehicle-mounted connector according to claim 18, characterized in that: the method further comprises the steps of authenticating the peripheral equipment connected with the vehicle-mounted connector, and analyzing the received data request information after the authentication is passed.
22. The data interaction method of the vehicle-mounted connector according to claim 18, characterized in that: when data interaction is carried out, the method further comprises the step that the vehicle-mounted connector encrypts and decrypts the output and received data.
23. A data interaction method of peripheral equipment is characterized in that: the method comprises the following steps:
establishing data connection of the peripheral equipment to the vehicle-mounted connector;
and sending data request information containing data interaction types of different data sources and data request information of data interaction contents of different data in the same data source to the vehicle-mounted connector.
24. The data interaction method of the peripheral device according to claim 23, wherein: the method also includes interacting data with a plurality of data sources via the onboard connector.
25. An automobile, characterized in that: comprising the vehicle connector of any one of claims 4 to 10.
CN202010507831.3A 2020-06-05 2020-06-05 Data interaction system, vehicle-mounted connector, peripheral equipment, automobile and data interaction method Pending CN111679994A (en)

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Application Number Priority Date Filing Date Title
CN202010507831.3A CN111679994A (en) 2020-06-05 2020-06-05 Data interaction system, vehicle-mounted connector, peripheral equipment, automobile and data interaction method

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101766005A (en) * 2007-07-31 2010-06-30 三菱电机株式会社 Communication control system
EP2461545A1 (en) * 2010-12-06 2012-06-06 Sap Ag In-vehicle application platform for vehicle-to-business communication
CN106154903A (en) * 2015-04-16 2016-11-23 上海汽车集团股份有限公司 Carry out, with peripheral hardware, the system and method that information is mutual for car load network
CN108763128A (en) * 2018-06-15 2018-11-06 深圳市沃特沃德股份有限公司 Handle method, relay device and the onboard system of peripheral hardware signal

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101766005A (en) * 2007-07-31 2010-06-30 三菱电机株式会社 Communication control system
EP2461545A1 (en) * 2010-12-06 2012-06-06 Sap Ag In-vehicle application platform for vehicle-to-business communication
CN106154903A (en) * 2015-04-16 2016-11-23 上海汽车集团股份有限公司 Carry out, with peripheral hardware, the system and method that information is mutual for car load network
CN108763128A (en) * 2018-06-15 2018-11-06 深圳市沃特沃德股份有限公司 Handle method, relay device and the onboard system of peripheral hardware signal

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Application publication date: 20200918