CN111585328A - Power supply system, vehicle-mounted connector, peripheral equipment, power supply method and vehicle - Google Patents
Power supply system, vehicle-mounted connector, peripheral equipment, power supply method and vehicle Download PDFInfo
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- CN111585328A CN111585328A CN202010506672.5A CN202010506672A CN111585328A CN 111585328 A CN111585328 A CN 111585328A CN 202010506672 A CN202010506672 A CN 202010506672A CN 111585328 A CN111585328 A CN 111585328A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
- B60R16/033—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for characterised by the use of electrical cells or batteries
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00045—Authentication, i.e. circuits for checking compatibility between one component, e.g. a battery or a battery charger, and another component, e.g. a power source
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0876—Network architectures or network communication protocols for network security for authentication of entities based on the identity of the terminal or configuration, e.g. MAC address, hardware or software configuration or device fingerprint
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- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Computer Security & Cryptography (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mechanical Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention provides a power supply system, a vehicle-mounted connector, peripheral equipment, a power supply method and a vehicle, wherein the power supply system comprises the vehicle-mounted connector and the peripheral equipment, a first power supply module connected with a vehicle storage battery, a first data interface used for being connected with the peripheral equipment and a first processing unit are arranged in the vehicle-mounted connector, the first processing unit is electrically connected with the first power supply module and the first data interface, and a voltage adjusting circuit is arranged in the first power supply module; the peripheral equipment sends authentication information containing required voltage information to the vehicle-mounted connector, the vehicle-mounted connector acquires voltage required by the peripheral equipment according to the authentication information, the first processing unit adjusts power supply voltage in the first power supply module according to the voltage required by the peripheral equipment, and controls the first power supply module to supply power to the peripheral equipment through the first data interface according to the voltage required by the peripheral equipment. The vehicle-mounted connector in the power supply system can supply power to different peripheral equipment by using the same data interface.
Description
Technical Field
The invention relates to the field of vehicle-mounted connectors, in particular to a power supply system, a vehicle-mounted connector, peripheral equipment, a power supply method and a vehicle.
Background
With the development of the vehicle industry, the types of peripheral devices connected to a vehicle are increasing, and generally, the vehicle performs data transmission with the peripheral devices or supplies power to the peripheral devices through various interfaces on the vehicle. Data of interaction between the vehicle and the peripheral equipment CAN be classified into vehicle speed, mileage, brake, engine speed, steering wheel angle, CAN network data collected from a CAN network of component temperature, 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 the equipment associated with the HMI system, parameter setting data of the 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, a vehicle can supply power to peripheral equipment through an expansion socket installed at a cigarette lighter or a USB power supply interface on a vehicle body; the peripheral equipment can receive HMI system data through a data interface connected with the HMI system; CAN network data may be received through an OBD interface on the vehicle.
However, the above interfaces have independent functions, for example, the USB interface generally has only a power supply function and cannot receive HMI system data and CAN network data; the interface connected with the HMI system cannot receive CAN network data; the interface connected with the CAN network CAN not receive 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 vehicle CAN be influenced through the OBD interface in turn, and potential safety hazards exist.
Vehicle manufacturers typically place OBD ports in relatively concealed locations, such as under the fuse box, under the storage box, and under 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.
In addition, in the prior art, the peripheral equipment is powered through the USB interface on the vehicle, however, with the increase of the peripheral equipment, the voltages required by the peripheral equipment are different, one USB interface cannot meet the power supply requirements of a plurality of peripheral equipment, the existing vehicle is configured with USB interfaces providing different voltages, but more and more types of peripheral equipment make the method also not capable of meeting the voltage requirements of more peripheral equipment, and the configuration of an additional adapter is more cumbersome, which limits the development of the peripheral equipment.
Disclosure of Invention
In view of the above, the present invention provides a power supply system, a vehicle-mounted connector, a peripheral device, a power supply method, and a vehicle, where the vehicle-mounted connector in the power supply system can use the same data interface to supply power to different peripheral devices.
The invention provides a power supply system which comprises a vehicle-mounted connector and peripheral equipment, wherein a first power supply module connected with a vehicle storage battery, a first data interface used for being connected with the peripheral equipment, a first safety module and a first processing unit are arranged in the vehicle-mounted connector;
the peripheral equipment sends authentication information containing power supply authentication to the vehicle-mounted connector, the first safety module authenticates the information, the first processing unit adjusts power supply voltage in the first power supply module according to an authentication result, and controls the first power supply module to supply power to the peripheral equipment through the first data interface according to the voltage required by the peripheral equipment.
Further, the peripheral equipment sends request information containing data transmission types of different data sources and data transmission 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 transmission type and controls the interaction of the data source and the peripheral equipment about the corresponding data according to data transmission content.
Further, the data source comprises an HMI system and a CAN system, the data transmission 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 transmission category, interacts the HMI system with the peripheral equipment about the corresponding HMI system data according to the request information of the data transmission content, and/or interacts the CAN system with the peripheral equipment about the corresponding 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 transmission 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 transmission category, interacts the HMI system with the HMI system data corresponding to the peripheral equipment according to the request information of the data transmission content, interacts the CAN network with the CAN network data corresponding to the peripheral equipment, and/or interacts the cloud server with the cloud communication data corresponding to the peripheral equipment.
The invention also provides a vehicle-mounted connector which comprises a first power supply module, a first data interface, a first safety module and a first processing unit, wherein the first data interface is used for being connected with peripheral equipment, the first processing unit is electrically connected with the first power supply module, the first safety module and the first data interface, a voltage adjusting circuit is arranged in the first power supply module, the first safety module carries out charging authentication on the peripheral equipment according to the acquired authentication information which is started by the peripheral equipment and contains power supply authentication, and the first processing unit adjusts the power supply voltage in the first power supply module according to the authentication result, controls the first power supply module to supply power with the voltage required by the peripheral equipment and supplies power to the outside through the first data interface.
Further, the first data interface receives request information which is transmitted by the peripheral equipment and contains data transmission categories requesting different data sources and request information of data transmission contents of different data in the same data source, and transmits the 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 transmission type, and interacts the data source with the peripheral equipment about the corresponding data according to the data transmission content.
Further, the data source is an HMI system and a CAN system, and the data transmission category comprises HMI system data and CAN network data; 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 request information of the data transmission type, interacts the HMI system with the peripheral equipment about corresponding HMI system data according to the request information of the data transmission content, and/or interacts the CAN network with the peripheral equipment about corresponding 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 further comprises the cloud server, the data transmission 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 interacts the HMI system with the HMI system data corresponding to the peripheral equipment, interacts the CAN network with the CAN network data corresponding to the peripheral equipment according to the request information of the data transmission content, and/or interacts the cloud server with the cloud communication data corresponding to the peripheral equipment.
Further, the voltage adjusting circuit in the first power supply module comprises a BUCK circuit and/or a BOOST circuit.
Further, the first security module performs data interaction permission authentication on the peripheral equipment, when the peripheral equipment passes the data interaction permission authentication, the first processing unit allows the vehicle-mounted connector to perform data interaction with the peripheral equipment, and when the peripheral equipment fails the data interaction permission authentication, the first processing unit disconnects the data connection between the first data interface and all data sources.
Further, the first security module sends inquiry information to the peripheral equipment and receives response information of the peripheral equipment, and the first security module acquires power supply authentication information and data interaction permission authentication information required by the peripheral equipment according to the response information, or the first security module performs power supply authentication on the peripheral equipment according to the response information and acquires data interaction permission authentication information of the peripheral equipment connected with the first security module through the first data interface.
Further, the first security module obtains authentication information of the charging authentication of the peripheral equipment and authentication information of data interaction permission, which are connected with the first security module, through the first data interface.
Further, the first security module is a reader of a wireless radio frequency device.
The invention also provides peripheral equipment which comprises a second data interface, a second safety module and a second processing unit, wherein the second data interface is used for being connected with the vehicle-mounted connector, the second processing unit is connected with the second data interface, and the second processing unit sends authentication information containing charging authentication to the vehicle-mounted connector through the second safety module and the second data interface and receives power supply of the vehicle-mounted connector through the second data interface.
Further, the second security module is configured to respond to the inquiry information sent by the connector after receiving the inquiry information.
Further, the second security module comprises an electronic tag, a radio frequency card or an NFC transponder.
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 power supply method, which comprises the following steps:
establishing connection between the vehicle-mounted connector and the peripheral equipment;
receiving authentication information containing power supply authentication sent by the peripheral equipment, and acquiring the voltage required by the peripheral equipment according to the authentication information;
and adjusting the power supply voltage of the vehicle-mounted connector according to the voltage required by the peripheral equipment, and supplying power to the peripheral equipment.
The invention also provides a power supply method of the vehicle-mounted connector, which comprises the following steps:
establishing connection between the vehicle-mounted connector and the peripheral equipment;
receiving authentication information containing power supply authentication sent by the peripheral equipment, and acquiring the voltage required by the peripheral equipment according to the authentication information;
and adjusting the power supply voltage according to the voltage required by the peripheral equipment, and not supplying power to the peripheral equipment.
The invention also provides a power supply method of the peripheral equipment, which comprises the following steps:
establishing connection between the peripheral equipment and the vehicle-mounted connector;
and transmitting authentication information containing power supply authentication to the vehicle-mounted connector, and receiving power supply of the vehicle-mounted connector.
The invention further provides a vehicle which comprises the vehicle-mounted connector.
In summary, in the present invention, before the vehicle-mounted connector supplies power to the peripheral device, the first security module in the vehicle-mounted connector performs charging authentication on the peripheral device to obtain voltage information required by the peripheral device, and the first processing unit controls the first power supply module to adjust the power supply voltage to supply power to the peripheral device. Therefore, the same data interface is used for supplying power to the peripheral equipment with different voltage requirements, so that the number of interfaces on the vehicle-mounted connector is reduced, the power supply flow is simplified, and the types of the peripheral equipment connected with the vehicle are expanded.
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 power supply 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 flow chart of a method for supplying power by the power supply system according to the embodiment of the present invention.
Fig. 5 is a flowchart illustrating a method for supplying power to a vehicle-mounted connector according to an embodiment of the present invention.
Fig. 6 is a schematic flowchart of a method for supplying power to the peripheral device according to the 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 power supply system, a vehicle-mounted connector, peripheral equipment, a power supply method and a vehicle.
Fig. 1 is a system block diagram of a power supply system according to an embodiment of the present invention. As shown in fig. 1, the power supply system according to the present invention includes a vehicle-mounted connector 10 and a peripheral device 20, and a first power supply module 11 connected to a vehicle battery 31, a first data interface 12 for connecting to the peripheral device 20, a first security module 13, and a first processing unit 14 are provided in the vehicle-mounted connector 10. The first processing unit 14 is electrically connected to the first power supply module 11, the first security module 13 and the first data interface 12, and a voltage adjusting circuit is disposed in the first power supply module 11. The peripheral device 20 sends power supply authentication information to the vehicle-mounted connector 10, the first security module 13 authenticates according to the power supply authentication information sent by the peripheral device 20 and transmits the information to the first processing unit 14, the first processing unit 14 adjusts the power supply voltage in the first power supply module 11 according to the authentication result, and controls the voltage required by the peripheral device 20 to supply power to the peripheral device 20 through the first data interface 12.
In this embodiment, before the vehicle-mounted connector 10 supplies power to the peripheral device 20, the first security module 13 in the vehicle-mounted connector 10 performs power supply authentication on the peripheral device 20 to obtain voltage information required by the peripheral device 20, and the first processing unit 14 controls the first power supply module 11 to adjust the power supply voltage to supply power to the peripheral device 20. Thus, the same data interface is used, power can be supplied to the peripheral devices 20 with different voltage requirements, the number of data interfaces on the vehicle-mounted connector 10 is reduced, the power supply flow is simplified, and the types of the peripheral devices 20 connected with the vehicle are expanded.
That is, when the vehicle-mounted connector 10 is used to supply power to the peripheral device 20, the vehicle-mounted connector 10 obtains a voltage required by the peripheral device 20, such as 5V, 12V, 24V, or 48V, and then controls the first power supply module 11 to adjust the voltage for supplying power to the peripheral device 20 to meet the requirement of the peripheral device 20 and start supplying power thereto.
In this embodiment, the authentication information of the peripheral device 20 may be voltage value information required when the peripheral device 20 supplies power, or may be a type and a model of the peripheral device 20, or a code representing the peripheral device 20, and the first security module 13 obtains the voltage value required when the peripheral device 20 supplies power according to the type, the model, or the code information of the peripheral device 20.
Further, the in-vehicle connector 10 is also connected to a plurality of data sources. The peripheral device 20 includes a second processing unit 21, a second data interface 22 for connecting with the first data interface 12, and a second power supply module 23, where the second power supply module 23 receives the power provided by the first power supply module 11 through the second data interface 22. The second processing unit 21 sends request information containing request for data transmission types of different data sources and request information for different data transmission contents in the same data source to the first processing unit 12 through the second data interface 22 and the first data interface 12, the first processing unit 21 selectively establishes data connection between the corresponding data source and the peripheral device 20 according to the data transmission types, and performs data interaction on the corresponding data between the data source and the peripheral device 20 through the first data interface 12 and the second data interface 22 according to the data transmission contents.
That is, with the above arrangement, the in-vehicle connector 10 also serves as an integrated interface for various data transmissions on the vehicle while supplying power to the peripheral device 20 through the first data interface 12. Through the in-vehicle connector 10, a plurality of data sources can simultaneously interact with the peripheral device 20. Thus, the peripheral device 20 CAN be more easily connected to the vehicle, perform its own related operation by receiving data on the vehicle, and CAN be powered by the vehicle without the peripheral device 20, and at the same time, it is not necessary to independently arrange connection lines with a plurality of data sources, such as the CAN network 33 and/or the HMI system 32, thereby simplifying the connection process of the peripheral device 20 and expanding the applications and kinds of the peripheral device 20 on the vehicle.
More specifically, the data sources may be the HMI system 32 and the CAN network 33, and accordingly, the data transmission category may include HMI system 32 data and/or CAN network 33 data. The first processing unit 12 selectively connects the HMI system 32 and/or the vehicle CAN network 33 to the peripheral equipment 20 through the first data interface 12 and the second data interface 22 according to the request information of the data transmission type, and performs data interaction between the HMI system 32 and the peripheral equipment 20 for HMI system 32 data and/or performs data interaction between the CAN network 33 and the peripheral equipment 20 for CAN network 33 data through the first data interface 12 and the second data interface 22 according to the request information of the data transmission content.
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.
The peripheral device 20, which has been connected to the in-vehicle connector 10, CAN selectively make a data connection with the HMI system 32 and/or the vehicle CAN network 33 of the vehicle through the in-vehicle connector 10 according to the data transmission category transmitted by the peripheral device 20. When the peripheral equipment 20 sends a request for data transmission with the HMI system 32, the vehicle-mounted connector 10 connects the HMI system 32 with the peripheral equipment 20 in a data manner, and performs data interaction with the peripheral equipment 20 for the corresponding HMI system 32 data according to the data transmission content; when the peripheral equipment 20 sends a request for data transmission with the CAN network 33, the vehicle-mounted connector 10 establishes data connection between the CAN network 33 and the peripheral equipment 20, and performs data interaction with the peripheral equipment 20 according to the data transmission content on the corresponding CAN network 33 data; when the peripheral device 20 simultaneously sends out a request for data transmission with the HMI system 32 and data transmission with the CAN network 33, the vehicle-mounted connector 10 simultaneously establishes data connection between the CAN network 33 and the HMI system 32 and the peripheral device 20, and performs data interaction of the data of the CAN network 33 and the HMI system 32 and the peripheral device 20 according to the data transmission content.
In this embodiment, when the peripheral device 20 sends the request information, the authentication information, the data transmission type code, and the data transmission content code may be added to the header of the request information, so as to make explicit the voltage information, the data transmission type, and the data transmission content required by the peripheral device 20; the in-vehicle connector 10 may determine the voltage information required by the peripheral device 20, the requested data transmission type, and the requested data transmission content by analyzing the header in the request information of the peripheral device 20.
In the present embodiment, the first data interface 12 may be, but is not limited to, a USB interface, a UART interface, a CAN line interface, an LVDS interface, an HDMI interface, or an MIPI interface.
Further, in this embodiment, the vehicle-mounted connector 10 further includes a wireless communication module 16 such as 4G and/or 5G, the wireless communication module 16 is connected to the cloud server 34, for example, an IOT (Internet of Things) platform data connection, the wireless communication module 16 is electrically connected to the first processing unit 14, the data transmission type further includes cloud communication data, when the first processing unit 12 determines that the request information of the data transmission type of the peripheral device 20 is cloud communication data, the vehicle-mounted connector 10 establishes data connection between the peripheral device 20 and the cloud server 34, and performs data interaction with the peripheral device 20 through the wireless communication module 16, the first data interface 12 and the second data interface 22 according to the request information of the data transmission content.
That is, the vehicle-mounted connector 10 establishes data connections between the HMI system 32, the CAN network 33, and/or the cloud server 34 and the peripheral device 20 according to the data transmission category, and performs data interaction between the HMI system 32 and the peripheral device 20 for the corresponding HMI system 32 data, performs data interaction between the CAN network 33 and the peripheral device 20 for the corresponding CAN network 33 data, and/or performs data interaction between the cloud server 34 and the peripheral device 20 for the corresponding cloud communication data according to the request information of the data transmission 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 peripheral device 20 sends the authentication information of the data interaction permission to the vehicle-mounted connector, and the vehicle-mounted connector 10 further performs the data interaction permission authentication on the peripheral device 20 connected thereto to determine whether the peripheral device 20 is a device defined by the vehicle-mounted connector 10 and capable of allowing data interaction, and after the peripheral device 20 is connected to the vehicle-mounted connector 10, the vehicle-mounted connector 10 performs data interaction only on the peripheral device 20 subjected to the data interaction permission authentication. When the peripheral device 20 fails the data interaction authentication permission, the first processing unit 14 disconnects the data connection of the first data interface 12 and all data sources, and only supplies power to the peripheral device 20.
In this embodiment, the peripheral device 20 further includes a second security module 24, the first security module 13 and the second security module 24 may be security chips, during the authentication process, the second security module 24 of the peripheral device 20 transmits power supply authentication information and data interaction authentication permission authentication information to the first security module 13 through the second data interface 22 and the first data interface 12, and the first security module 13 performs power supply authentication and data interaction permission authentication on the peripheral device 20 through the information. After obtaining the above information, the first processing unit 14 controls the first power supply module 11 to supply power to the peripheral device 20 through the first data interface 12, and analyzes request information for data sent by the peripheral device 20.
In other embodiments, the first security module 13 sends an inquiry message to the second security module 24, the second security module 24 responds after receiving the inquiry message, the first security module 13 performs voltage information authentication and data interaction permission authentication on the peripheral device 20 according to the response message, and after obtaining the above information, the first processing unit controls the first power supply module 11 to supply power to the peripheral device 20 through the first data interface 12, and analyzes request information of the peripheral device for data.
More specifically, in this case, the first security module 13 may include a reader (not shown) of the radio frequency device, and the second security module 24 may be a transponder of the radio frequency device. The Radio Frequency devices include, but are not limited to, Radio Frequency Identification (RFID) devices and Near Field Communication (NFC) devices.
In other embodiments, the first security module 13 may include a security chip and a reader, and the reader performs power supply authentication and performs data interaction permission authentication to ensure data security.
Further, the first security module 13 and the second security module 24 also encrypt and decrypt the transmitted and received data.
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.
In summary, in the present invention, before the vehicle-mounted connector 10 supplies power to the peripheral device 20, the first security module 13 in the vehicle-mounted connector 10 performs power supply authentication on the peripheral device 20 to obtain voltage information required by the peripheral device 20, and the processing unit controls the first power supply module 11 to adjust the power supply voltage to supply power to the peripheral device 20. Thus, the same data interface is used, power can be supplied to the peripheral devices 20 with different voltage requirements, the number of data interfaces on the vehicle-mounted connector 10 is reduced, the power supply flow is simplified, and the types of the peripheral devices 20 connected with the vehicle are expanded. Further, the first security module 13 performs data interaction permission authentication on the peripheral device 20, selectively establishes data connection between the corresponding data source and the peripheral device 20 according to the data transmission type after the authentication, and performs data interaction on the corresponding data between the data source and the peripheral device 20 according to the data transmission content to ensure data security and an integrated data transmission interface.
Fig. 2 is a system block diagram of the vehicle-mounted connector 10 according to the embodiment of the present invention. As shown in fig. 2, the vehicle-mounted connector 10 provided by the present invention includes a first power supply module 11 connected to a vehicle battery 31, a first data interface 12 for connecting to a peripheral device 20, a first security module 13, and a first processing unit 14. The processing unit is electrically connected with the first power supply module 11, the first safety module 13 and the first data interface 12, a voltage adjusting circuit is arranged in the first power supply module 11, the first safety module 13 performs charging authentication on the peripheral equipment 20 according to the acquired power supply authentication information which is sent by the peripheral equipment 20 and contains the power supply authentication information, the authentication result is transmitted to the first processing unit, the processing unit adjusts the power supply voltage in the first power supply module 11, and controls the voltage required by the peripheral equipment 20 outside the first power supply module 11 to supply power to the outside through the first data interface 12.
More specifically, the voltage adjusting circuit in the first power supply module 11 may include a BUCK circuit and/or a BOOST circuit, so that the voltage output from the same first data interface 12 can be changed.
Further, the vehicle-mounted connector 10 is also in data connection with a plurality of data sources of the vehicle, the vehicle-mounted connector 10 receives request information which is sent by the peripheral device 20 and contains data transmission types requesting different data sources and request information of different data transmission contents in the same data source, the first processing unit selectively establishes data connection between the corresponding data source and the peripheral device 20 according to the data transmission types, and performs data interaction on the corresponding data between the data source and the peripheral device 20 through the first data interface 12 according to the data transmission contents.
More specifically, the data source may be the HMI system 32 and/or the CAN network 33, and accordingly, the data transmission category may be the HMI system 32 data and/or the CAN network 33 data, the first processing unit 12 selectively data-connects the HMI system 32 and/or the vehicle CAN network 33 with the peripheral device 20 through the first data interface 12 according to the request information of the data transmission category, and data-interacts the HMI system 32 with the peripheral device 20 for the HMI system 32 data and/or data-interacts the CAN network 33 with the peripheral device 20 for the CAN network 33 data through the first data interface 12 according to the request information of the data transmission content.
Further, the vehicle-mounted connector 10 further includes a wireless communication module for connecting with the cloud server 34, the wireless communication module is electrically connected with the first processing unit 14, the data source of the vehicle further includes the cloud server 34, the data transmission category further includes cloud communication data, when the first processing unit 12 determines that the request information of the data transmission category of the peripheral device 20 is cloud communication data, the vehicle-mounted connector 10 establishes data connection between the peripheral device 20 and the cloud server 34 through the wireless communication module and the first data interface 12, and performs data interaction with the peripheral device 20 through the wireless communication module 16 and the first data interface 12 according to the request information of the data transmission content.
Further, the vehicle-mounted connector 10 also performs data interaction permission authentication on the peripheral device 20 connected with the vehicle-mounted connector 10, when the peripheral device 20 passes the data interaction permission authentication, the first processing unit 14 allows the vehicle-mounted connector 10 to perform data interaction with the peripheral device 20, and when the peripheral device 20 does not pass the data interaction permission authentication, the first processing unit 14 disconnects the data connection of the first data interface 12 and all data sources, and only supplies power to the peripheral device 20.
A voltage selection button is also provided on the in-vehicle connector 10 to manually control the conversion of the voltage when the in-vehicle connector 10 fails to perform the required voltage authentication on the peripheral device 20.
In this embodiment, the first security module 13 obtains the authentication information of the power supply authentication and the data interaction permission authentication information of the peripheral device 20 connected thereto through the first data interface 12.
In another embodiment, the first security module 13 sends out an inquiry message to the peripheral device 20 and receives a response from the peripheral device 20 to the inquiry message, and the first security module 13 obtains the voltage authentication information and the data interaction permission authentication information required by the peripheral device 20 according to the response message.
More specifically, at this time, the first security module 13 may be a reader of a wireless radio frequency device, where the reader sends a radio frequency signal to the peripheral device 20, a transponder on the peripheral device 20 responds to the radio frequency signal, and the first security module 13 obtains information of the peripheral device 20 according to the received response information. The Radio Frequency devices include, but are not limited to, Radio Frequency Identification (RFID) devices and Near Field Communication (NFC) devices.
In another embodiment, the first security module 13 performs power supply authentication through the reader, and performs data interaction permission authentication through the security chip to ensure data security.
Further, the first security module 13 encrypts and decrypts data transmitted and received by the in-vehicle connector 10.
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.
Fig. 3 is a system block diagram of the peripheral device 20 according to the 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 interface 22, a second security module 24, and a second processing unit 21, which are used to connect with the vehicle-mounted connector 10, the second data interface 22 and the second security module 24 are electrically connected with the second processing unit 21, and the second processing unit 21 sends power supply authentication information containing its own required voltage to the vehicle-mounted connector 10 through the second data interface 22, and receives power supply of the vehicle-mounted connector 10 through the second data interface 22.
Further, the peripheral device 20 transmits authentication information containing data interaction permission to the vehicle-mounted connector 10 to establish a data connection between the vehicle-mounted connector 10 and the peripheral device 20.
Further, the second processing unit 21 sends request information including request information for requesting data transmission categories of different data sources and request information for data transmission contents of different data transmission contents in the same data source to the vehicle-mounted connector 10 through the second data interface 22, receives the electric quantity transmitted by the vehicle-mounted connector 10 through the second data interface 22, and performs data interaction with the vehicle-mounted connector 10.
Further, the second security module 24 may be configured to respond to the inquiry information sent from the vehicle-mounted connector 10 after receiving the inquiry information. Alternatively, the second security module 24 may be a transponder such as an electronic tag, a radio frequency card, or an NFC transponder.
Further, the second security module 24 encrypts and decrypts data transmitted to and received from the in-vehicle connector 10.
Fig. 4 is a schematic flow chart of a method for supplying power by the power supply system according to the embodiment of the present invention. As shown in fig. 4, the present invention further provides a power supply method based on the power supply system, which includes the following steps:
s11: establishing a connection between the in-vehicle connector 10 and the peripheral device 20;
s12: the peripheral device 20 transmits authentication information containing power supply authentication to the in-vehicle connector 10;
s13: the vehicle-mounted connector 10 receives the authentication information and acquires the voltage required by the peripheral device 20 according to the authentication information;
s14: adjusts the supply voltage according to the voltage required by the peripheral device 20 and supplies power to the peripheral device 20.
Further, the method further comprises:
the peripheral device 20 sends request information including request information for data transmission categories of different data sources and request information for different data transmission contents in the same data source to the vehicle-mounted connector 10;
the vehicle-mounted connector 10 analyzes the data transmission type and the data transmission content;
and selectively controlling the corresponding data source to perform data connection with the peripheral equipment 20 according to the data transmission type, and transmitting the corresponding data in the data source to the peripheral equipment 20 according to the data transmission content.
In this embodiment, the data source may be from the HMI system 32, the CAN network 33, and the cloud server 34, and accordingly, the data transmission type may include data of the HMI system 32, data of the CAN network 33, and cloud communication data, because the data source of the HMI system 32 is the HMI system 32, the data source of the CAN network 33 is the CAN network 33, and the data source of the cloud communication data is the cloud server 34. Therefore, data connection between the HMI system 32, the CAN network 33, and/or the cloud server 34 and the peripheral device 20 is selectively established according to the data transmission type, and according to the request information of the data transmission content, data interaction is performed on the HMI system 32 and the peripheral device 20 with respect to the corresponding HMI system 32 data, data interaction is performed on the CAN network 33 and the peripheral device 20 with respect to the corresponding CAN network 33 data, and/or data interaction is performed on the cloud server 34 and the peripheral device 20 with respect to the corresponding cloud communication data.
Further, the method further comprises: the peripheral equipment 20 sends authentication information containing data interaction permission to the vehicle-mounted connector 10, the vehicle-mounted connector 10 authenticates the authentication information, and if the authentication is successful, the vehicle-mounted connector 10 analyzes the received request information of the data transmission type and the data transmission content; if the authentication fails, the in-vehicle connector 10 disconnects the data source of the vehicle from the first data interface 12.
Further, when data transmission is performed, the method further includes: the vehicle-mounted connector 10 and the peripheral device encrypt and decrypt data respectively output and received.
Fig. 5 is a flowchart illustrating a method for supplying power to a vehicle-mounted connector according to an embodiment of the present invention. As shown in fig. 5, the present invention also provides a power supply method of the vehicle-mounted connector 10, including:
s21: establishing a connection between the in-vehicle connector 10 and the peripheral device 20;
s22: receiving authentication information containing power supply authentication sent by the peripheral device 20, and acquiring a voltage required by the peripheral device 20 according to the authentication information;
s23: adjusts the supply voltage according to the voltage required by the peripheral device 20 and supplies power to the peripheral device 20.
Further, the method further comprises:
receiving request information including a request for a data transmission category of different data sources and request information for data transmission contents of different data transmission contents in the same data source, which is sent from the peripheral device 20;
analyzing the received request information;
and selectively controlling the corresponding data source to perform data connection with the peripheral equipment 20 according to the transmission type, transmitting corresponding data in the data source to the outside according to the data transmission content, and supplying power to the outside.
In this embodiment, the data transmission category includes HMI system 32 data, CAN network 33 data, and cloud communication data, and the data source of the HMI system 32 data is the HMI system 32, the data source of the CAN network 33 data is the CAN network 33, and the data source of the cloud communication data is the cloud server 34. Therefore, the vehicle-mounted connector 10 establishes data connection between the HMI system 32, the CAN network 33, and/or the cloud server 34 and the peripheral device 20 according to the data transmission category, and performs data interaction between the HMI system 32 and the peripheral device 20 for the corresponding HMI system 32 data, between the CAN network 33 and the peripheral device 20 for the corresponding CAN network 33 data, and/or between the cloud server 34 and the peripheral device 20 for the corresponding cloud communication data according to the request information of the data transmission content.
Further, the method further comprises: receiving authentication information containing data interaction permission sent by the peripheral device 20;
authenticating the authentication information, and if the authentication is successful, analyzing the received request information of the data transmission type and the data transmission content; if the authentication is unsuccessful, the data connection of the data source of the vehicle to the first data interface 12 is disconnected.
Further, when data transmission is performed, the method further includes: and encrypting and decrypting the output and received data.
Further, the method further includes, when the peripheral device 20 writes data into the CAN network 33, disconnecting the data connection between the CAN network 33 and the first data interface 12 by the in-vehicle connector 10, and prohibiting the peripheral device 20 from writing data into the CAN network 33.
Fig. 6 is a schematic flowchart of a method for supplying power to the peripheral device according to the embodiment of the present invention. As shown in fig. 6, an embodiment of the present invention further provides a power supply method for a peripheral device 20, where the method includes:
s31: establishing a connection between the peripheral device 20 and the in-vehicle connector 10;
s32: authentication information including power supply authentication is transmitted to the in-vehicle connector 10, and power supply from the in-vehicle connector 10 is received.
Further, the method further comprises:
sending request information containing a request for a data transmission category of different data sources and request information for data transmission contents of different data in the same data source to the in-vehicle connector 10;
data interaction is performed with the in-vehicle connector 10.
Further, the method includes transmitting authentication information including a data interaction permission to the in-vehicle connector 10 before transmitting request information including a data transmission type and a data transmission content.
Further, the method includes decrypting the received data.
The present invention also provides a vehicle including the above vehicle-mounted connector 10, and for other technical features of the vehicle, 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 (21)
1. A power supply system characterized by: the vehicle-mounted battery safety protection system comprises a vehicle-mounted connector and peripheral equipment, wherein a first power supply module connected with a vehicle storage battery, a first data interface used for being connected with the peripheral equipment, a first safety module and a first processing unit are arranged in the vehicle-mounted connector, the first processing unit is electrically connected with the first safety module, the first power supply module and the first data interface, and a voltage adjusting circuit is arranged in the first power supply module;
the peripheral equipment sends authentication information containing power supply authentication to the vehicle-mounted connector, the first safety module authenticates the information, the first processing unit adjusts power supply voltage in the first power supply module according to an authentication result, and controls the first power supply module to supply power to the peripheral equipment through the first data interface according to the voltage required by the peripheral equipment.
2. The power supply system of claim 1, wherein: the peripheral equipment sends request information containing data transmission types of different data sources and data transmission 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 transmission type and controls the interaction of the data source and the peripheral equipment about the corresponding data according to data transmission content.
3. The power supply system of claim 2, wherein: the data source comprises an HMI system and a CAN system, the data transmission 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 transmission category, interacts the HMI system with the peripheral equipment about the corresponding HMI system data according to the request information of the data transmission content, and/or interacts the CAN system with the peripheral equipment about the corresponding CAN network data.
4. The power supply system of claim 3, wherein: 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 transmission 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 transmission category, and interacts the HMI system with the HMI system data corresponding to the peripheral equipment according to the request information of the data transmission content, interacts the CAN network with the CAN network data corresponding to the peripheral equipment, and/or interacts the cloud server with the cloud communication data corresponding to the peripheral equipment.
5. An on-vehicle connector characterized in that: the first processing unit is electrically connected with the first power supply module, the first safety module and the first data interface, a voltage adjusting circuit is arranged in the first power supply module, the first safety module carries out charging authentication on the peripheral equipment according to acquired authentication information containing power supply authentication started by the peripheral equipment, and the first processing unit adjusts power supply voltage in the first power supply module according to an authentication result, controls the first power supply module to supply power with the voltage required by the peripheral equipment and supplies power to the outside through the first data interface.
6. The vehicle-mounted connector according to claim 5, characterized in that: the first data interface receives request information which is transmitted by the peripheral equipment and contains data transmission types of different data sources and request information of data transmission contents of different data in the same data source, and transmits the 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 transmission type, and interacts the data source with the peripheral equipment about the corresponding data according to the data transmission content.
7. The vehicle-mounted connector according to claim 6, characterized in that: the data source is an HMI system and a CAN system, and the data transmission category comprises HMI system data and CAN network data; 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 request information of the data transmission type, interacts the HMI system with the peripheral equipment about corresponding HMI system data according to the request information of the data transmission content, and/or interacts the CAN network with the peripheral equipment about corresponding CAN network data.
8. The vehicle-mounted connector according to claim 7, wherein: 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 further comprises the cloud server, the data transmission 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 interacts the HMI system with the peripheral equipment about corresponding HMI system data, interacts the CAN network with the peripheral equipment about corresponding CAN network data and/or interacts the cloud server with the peripheral equipment about corresponding cloud communication data according to request information of data transmission content.
9. The vehicle-mounted connector according to claim 5, characterized in that: the voltage adjusting circuit in the first power supply module comprises a BUCK circuit and/or a BOOST circuit.
10. The vehicle-mounted connector according to claim 8, wherein: the first safety module carries out data interaction permission authentication on the peripheral equipment, when the peripheral equipment passes the data interaction permission authentication, the first processing unit allows the vehicle-mounted connector to carry out data interaction with the peripheral equipment, and when the peripheral equipment does not pass the data interaction permission authentication, the first processing unit disconnects the data connection between the first data interface and all data sources.
11. The vehicle-mounted connector according to claim 9, wherein: the first safety module sends inquiry information to the peripheral equipment and receives response information of the peripheral equipment, and the first safety module acquires power supply authentication information and data interaction permission authentication information required by the peripheral equipment according to the response information, or the first safety module performs power supply authentication on the peripheral equipment according to the response information and acquires data interaction permission authentication information of the peripheral equipment connected with the first safety module through the first data interface.
12. The vehicle-mounted connector according to claim 9, wherein: the first safety module obtains the authentication information of the charging authentication of the peripheral equipment connected with the first safety module and the authentication information of the data interaction permission through the first data interface.
13. The vehicle-mounted connector according to claim 11, wherein: the first security module is a reader of a wireless radio frequency device.
14. A peripheral device, characterized by: the charging system comprises a second data interface used for being connected with a vehicle-mounted connector, a second safety module and a second processing unit connected with the second data interface, wherein the second processing unit sends authentication information containing charging authentication to the vehicle-mounted connector through the second safety module and the second data interface and receives power supply of the vehicle-mounted connector through the second data interface.
15. The peripheral device of claim 14, wherein: and the second security module is used for responding to the inquiry information sent by the connector after receiving the inquiry information.
16. The peripheral device of claim 15, wherein: the second security module comprises an electronic tag, a radio frequency card or an NFC transponder.
17. The peripheral device of claim 14, 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.
18. A method of supplying power, comprising: the method comprises the following steps:
establishing connection between the vehicle-mounted connector and the peripheral equipment;
receiving authentication information containing power supply authentication sent by the peripheral equipment, and acquiring the voltage required by the peripheral equipment according to the authentication information;
and adjusting the power supply voltage of the vehicle-mounted connector according to the voltage required by the peripheral equipment, and supplying power to the peripheral equipment.
19. A power supply method of a vehicle-mounted connector is characterized in that: the method comprises the following steps:
establishing connection between the vehicle-mounted connector and peripheral equipment;
receiving authentication information containing power supply authentication sent by the peripheral equipment, and acquiring the voltage required by the peripheral equipment according to the authentication information;
and adjusting the power supply voltage according to the voltage required by the peripheral equipment, and not supplying power to the peripheral equipment.
20. A power supply method of peripheral equipment is characterized in that: the method comprises the following steps:
establishing connection between the peripheral equipment and the vehicle-mounted connector;
and transmitting authentication information containing power supply authentication to the vehicle-mounted connector, and receiving power supply of the vehicle-mounted connector.
21. A vehicle, characterized in that: comprising the vehicle connector of any one of claims 5 to 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010506672.5A CN111585328A (en) | 2020-06-05 | 2020-06-05 | Power supply system, vehicle-mounted connector, peripheral equipment, power supply method and vehicle |
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| CN202010506672.5A CN111585328A (en) | 2020-06-05 | 2020-06-05 | Power supply system, vehicle-mounted connector, peripheral equipment, power supply method and vehicle |
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| CN202010506672.5A Pending CN111585328A (en) | 2020-06-05 | 2020-06-05 | Power supply system, vehicle-mounted connector, peripheral equipment, power supply method and vehicle |
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| CN112153120A (en) * | 2020-09-09 | 2020-12-29 | 上海仙塔智能科技有限公司 | Vehicle-mounted coffee machine control system and vehicle-mounted coffee machine |
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| CN112153018A (en) * | 2020-09-09 | 2020-12-29 | 上海仙塔智能科技有限公司 | Peripheral device control system, vehicle-mounted connector, peripheral device, vehicle and method |
| CN112153522A (en) * | 2020-09-09 | 2020-12-29 | 上海仙塔智能科技有限公司 | Vehicle-mounted sound box control system and vehicle-mounted sound box |
| CN112153017A (en) * | 2020-09-09 | 2020-12-29 | 上海仙塔智能科技有限公司 | Peripheral device control system, vehicle-mounted connector, peripheral device, vehicle and method |
| CN112153019A (en) * | 2020-09-09 | 2020-12-29 | 上海仙塔智能科技有限公司 | Data interaction system, vehicle-mounted connector, peripheral equipment, vehicle and method |
| CN112776738A (en) * | 2020-12-31 | 2021-05-11 | 智车优行科技（北京）有限公司 | Vehicle-mounted docking station, system, automobile, external device access method and medium |
| CN115114211A (en) * | 2022-06-06 | 2022-09-27 | 智己汽车科技有限公司 | Vehicle-mounted peripheral hot plug identification control system and method |
| CN116215353A (en) * | 2023-02-27 | 2023-06-06 | 成都赛力斯科技有限公司 | Vehicle-mounted rice cooking device and method |
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