CN110856150A - Vehicle, vehicle-mounted Bluetooth device thereof and automatic connection method of Bluetooth device - Google Patents
Vehicle, vehicle-mounted Bluetooth device thereof and automatic connection method of Bluetooth device Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/48—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for in-vehicle communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/11—Allocation or use of connection identifiers
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/005—Discovery of network devices, e.g. terminals
Abstract
The application relates to the technical field of Bluetooth, and provides a vehicle, a vehicle-mounted Bluetooth device of the vehicle and an automatic connection method of the Bluetooth device. This application can avoid when current bluetooth connects need manually open, search and mate loaded down with trivial details links such as, can bring convenient automatic connection mode for the user, can avoid the emergence of accident, ensures user's safe handling, improves user experience, especially can carry out intelligent identification and initiatively start the automatic connection to special scene, reflects the intelligent automation trend of product technology development more.
Description
Technical Field
The application relates to the technical field of Bluetooth, in particular to an automatic connection method of vehicle-mounted Bluetooth equipment, the vehicle-mounted Bluetooth equipment adopting the automatic connection method of the vehicle-mounted Bluetooth equipment, and a vehicle adopting the vehicle-mounted Bluetooth equipment.
Background
With the development of science and technology, automobiles are more and more popular in people's lives, and are one of indispensable vehicles in people's lives in cities and villages. During driving, a driver can make a call or make a call in the vehicle by holding the mobile phone by hand, so that the driver can pay attention to driving and can not be correct and concentrate on driving to control the vehicle. Meanwhile, if the mobile phone is held during the driving process of the vehicle, traffic accidents are easily caused, and serious potential safety hazards appear. Therefore, the vehicle-mounted Bluetooth telephone equipment is convenient for a driver to make and receive calls when the driver drives in the vehicle.
Bluetooth is an open global specification for wireless data and voice communication that establishes an ad hoc connection for fixed and mobile device communication environments based on low-cost short-range wireless connections. The bluetooth technology is an open short-distance wireless communication technology, and is used for solving the short-distance wireless connection of a personal area network, so that the information exchange between various wireless devices is facilitated, and a limited transmission cable is replaced. At present, the LED lamp is widely applied to most of mobile phones, wireless terminals, palm computers and notebook computer lamp equipment.
The existing vehicle-mounted Bluetooth hands-free system usually comprises components such as a Bluetooth hands-free controller, a display, a Bluetooth headset, a car audio, a Bluetooth mobile phone, a control panel and an in-car electric system, but the system needs links such as manual starting, searching and pairing of a user, a series of operation processes are complicated, and a primary user is difficult to understand, so that the use is difficult, in other words, the existing Bluetooth connection mode is not automatic and intelligent enough, and certain potential safety hazards still exist in the use of the user, so that convenient and fast service can not be provided for the user. Particularly, the operation is difficult to realize for some special scenes, such as the situation that a user drives a car and the like.
In view of various defects in the prior art, the inventor of the present application has made extensive research and proposes a vehicle, a vehicle-mounted bluetooth device thereof, and an automatic connection method for a bluetooth device.
Disclosure of Invention
An object of the application is to provide a vehicle and vehicle-mounted Bluetooth equipment thereof and an automatic connection method of Bluetooth equipment, which can avoid the complex links such as manual opening, searching and pairing when the existing Bluetooth is connected, can bring convenient automatic connection modes for driving users, can avoid accidents, ensure the safe use of users, improve the user experience, particularly can carry out intelligent identification and actively start automatic connection aiming at special scenes, and more embody the intelligent automation trend of the product technology development.
In order to solve the technical problem, the present application provides an automatic connection method for a vehicle-mounted bluetooth device, where the automatic connection method for the vehicle-mounted bluetooth device includes:
when the vehicle-mounted Bluetooth device is started, judging whether the vehicle is in a running state;
when the vehicle is judged to be in a driving state, triggering the automatic target searching Bluetooth equipment;
when the target Bluetooth device is searched, judging whether the device name of the target Bluetooth device is prestored in the local vehicle-mounted Bluetooth device;
when the device name of the target Bluetooth device is judged to be pre-stored locally in the vehicle-mounted Bluetooth device, acquiring the MAC address of the target Bluetooth device;
judging whether the MAC address of the target Bluetooth device corresponds to the device name and whether matching connection is performed;
and when the MAC address corresponds to the equipment name and is matched and connected, the vehicle-mounted Bluetooth equipment and the target Bluetooth equipment automatically establish connection.
The automatic connection method of the vehicle-mounted Bluetooth equipment further comprises the following steps:
when the vehicle-mounted Bluetooth equipment is started, an MAC address list of target Bluetooth equipment which is subjected to matching connection is automatically generated;
and automatically searching for the target Bluetooth equipment according to the MAC address list.
Wherein, when the MAC address corresponds to the device name and the matching connection is performed, the step of automatically establishing the connection between the vehicle-mounted Bluetooth device and the target Bluetooth device further comprises:
judging whether the connection between the vehicle-mounted Bluetooth device and the target Bluetooth device is successfully established;
and when the connection is determined to be unsuccessful and the number of times of unsuccessful reconnection reaches a preset threshold value, stopping the automatic connection of the corresponding MAC address, and searching other target Bluetooth equipment for other MAC addresses in the MAC address list.
The step of automatically generating the MAC address list of the target bluetooth device that has undergone matching connection specifically includes:
and generating the MAC address lists with different orders according to the connection times, the connection time periods or the time sequence, wherein the connection times generate the MAC address lists in a descending order, the connection time periods generate the MAC address lists in a sequence closest to the current system time, or the MAC address lists are generated in a sequence from the nearest to the farthest in the time sequence.
At least 5 MAC addresses are stored in the MAC address list, and the preset threshold value is 3 times.
Wherein, the step of automatically establishing connection between the vehicle-mounted Bluetooth device and the target Bluetooth device further comprises:
when the vehicle-mounted Bluetooth device is successfully connected with the target Bluetooth device automatically, the vehicle-mounted Bluetooth device gives the vehicle networking name and the password of the vehicle to the target Bluetooth device in a Bluetooth mode, so that the target Bluetooth device is connected with a second network of the vehicle-mounted Bluetooth device through the vehicle networking name and the password.
In order to solve the above technical problem, the present application further provides a vehicle bluetooth device, wherein the vehicle bluetooth device includes a processor, the processor is configured to execute bluetooth automatic connection program data, and the steps implemented include:
when the vehicle-mounted Bluetooth device is started, judging whether the vehicle is in a running state;
when the vehicle is judged to be in a driving state, triggering the automatic target searching Bluetooth equipment;
when the target Bluetooth device is searched, judging whether the device name of the target Bluetooth device is prestored in the local vehicle-mounted Bluetooth device;
when the device name of the target Bluetooth device is judged to be pre-stored locally in the vehicle-mounted Bluetooth device, acquiring the MAC address of the target Bluetooth device;
judging whether the MAC address of the target Bluetooth device corresponds to the device name and whether matching connection is performed;
and when the MAC address corresponds to the equipment name and is matched and connected, the vehicle-mounted Bluetooth equipment and the target Bluetooth equipment automatically establish connection.
Wherein, the processor is used for executing the Bluetooth automatic connection program data, and the steps realized by the processor further comprise:
when the vehicle-mounted Bluetooth equipment is started, an MAC address list of target Bluetooth equipment which is subjected to matching connection is automatically generated;
and automatically searching for the target Bluetooth equipment according to the MAC address list.
Wherein, the processor is used for executing the Bluetooth automatic connection program data, and the steps realized by the processor further comprise:
judging whether the connection between the vehicle-mounted Bluetooth device and the target Bluetooth device is successfully established;
and when the connection is determined to be unsuccessful and the number of times of unsuccessful reconnection reaches a preset threshold value, stopping the automatic connection of the corresponding MAC address, and searching other target Bluetooth equipment for other MAC addresses in the MAC address list.
Wherein, the processor is used for executing the Bluetooth automatic connection program data, and the steps realized by the processor further comprise:
and generating the MAC address lists with different orders according to the connection times, the connection time periods or the time sequence, wherein the connection times generate the MAC address lists in a descending order, the connection time periods generate the MAC address lists in a sequence closest to the current system time, or the MAC address lists are generated in a sequence from the nearest to the farthest in the time sequence.
At least 5 MAC addresses are stored in the MAC address list, and the preset threshold value is 3 times.
In order to solve the technical problem, the present application further provides a vehicle, wherein the vehicle is equipped with the vehicle-mounted bluetooth device.
The vehicle, the vehicle-mounted Bluetooth device thereof and the automatic connection method of the Bluetooth device can judge whether the vehicle is in a running state or not when the vehicle-mounted Bluetooth device is started, triggering automatic searching target Bluetooth equipment when the vehicle is judged to be in a driving state, judging whether the equipment name of the target Bluetooth equipment is prestored in the local vehicle-mounted Bluetooth equipment when the target Bluetooth equipment is searched, when the device name of the target Bluetooth device is judged to be pre-stored locally in the vehicle Bluetooth device, acquiring the MAC address of the target Bluetooth device, judging whether the MAC address of the target Bluetooth device corresponds to the device name and whether matching connection is performed or not, and when the MAC address corresponds to the equipment name and is matched and connected, the vehicle-mounted Bluetooth equipment and the target Bluetooth equipment automatically establish connection. In this way, the application can avoid the tedious links such as manual opening, search and pairing when current bluetooth is connected, can bring convenient automatic connection mode for driving user moreover, can avoid the emergence of accident, ensures user's safe handling, improves user experience, especially can carry out intelligent identification and initiatively start the automatic connection to special scene, reflects the intelligent automation trend of product technology development more.
The foregoing description is only an overview of the technical solutions of the present application, and in order to make the technical means of the present application more clearly understood, the present application 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 application more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a flowchart illustrating an embodiment of an automatic connection method for a vehicle-mounted bluetooth device according to the present application.
Fig. 2 is a schematic structural diagram of an embodiment of the vehicle-mounted bluetooth device according to the present application.
Detailed Description
To further illustrate the technical means and effects of the present application for achieving the intended application purpose, the following detailed description is provided with reference to the accompanying drawings and preferred embodiments for specific embodiments, methods, steps, features and effects of the vehicle and the vehicle-mounted bluetooth device thereof and the automatic connection method of the bluetooth device.
The foregoing and other technical matters, features and effects of the present application will be apparent from the following detailed description of preferred embodiments, which is to be read in connection with the accompanying drawings. While the present application has been described in terms of specific embodiments and examples for achieving the desired objects and objectives, it is to be understood that the invention is not limited to the disclosed embodiments, but is to be accorded the widest scope consistent with the principles and novel features as defined by the appended claims.
Referring to fig. 1, fig. 1 is a schematic flowchart illustrating an embodiment of an automatic connection method for a vehicle-mounted bluetooth device according to the present application.
In this embodiment, the automatic connection method for the vehicle-mounted bluetooth device includes, but is not limited to, the following steps.
Step S101, when the vehicle-mounted Bluetooth device is started, judging whether the vehicle is in a running state; in this way, the present embodiment can determine the special driving situation, and is convenient for the driver and other special users to use.
Step S102, when the vehicle is judged to be in a running state, triggering automatic target searching Bluetooth equipment; by the mode, the infinite circular search of equipment with high loss can be avoided, and energy conservation and environmental protection are realized.
Step S103, when the target Bluetooth device is searched, judging whether the device name of the target Bluetooth device is pre-stored in the local vehicle-mounted Bluetooth device; in this way, it is possible to check whether it is a target bluetooth device, avoiding automatic connection to a disguised device.
Step S104, when the device name of the target Bluetooth device is judged to be pre-stored in the local of the vehicle-mounted Bluetooth device, the MAC address of the target Bluetooth device is obtained; by this way, under the condition that the names are confirmed to be the same, the MAC (Media Access Control or Medium Access Control, physical address) address can be acquired, and the energy consumption is reduced.
Step S105, judging whether the MAC address of the target Bluetooth device corresponds to the device name and whether matching connection is performed;
and step S106, when the MAC address corresponds to the equipment name and the matching connection is carried out, the vehicle-mounted Bluetooth equipment and the target Bluetooth equipment automatically establish connection.
Further, the method for automatically connecting the vehicle-mounted bluetooth device according to this embodiment may further include: when the vehicle-mounted Bluetooth equipment is started, an MAC address list of target Bluetooth equipment which is subjected to matching connection is automatically generated; and automatically searching for the target Bluetooth equipment according to the MAC address list.
It should be noted that, in this embodiment, the step of automatically establishing a connection between the vehicle-mounted bluetooth device and the target bluetooth device when the MAC address corresponds to the device name and matching connection is performed may further include: judging whether the connection between the vehicle-mounted Bluetooth device and the target Bluetooth device is successfully established; and when the connection is determined to be unsuccessful and the number of times of unsuccessful reconnection reaches a preset threshold value, stopping the automatic connection of the corresponding MAC address, and searching other target Bluetooth equipment for other MAC addresses in the MAC address list.
It should be noted that the step of automatically generating the MAC address list of the target bluetooth device that has undergone matching connection may specifically include: and generating the MAC address lists with different orders according to the connection times, the connection time periods or the time sequence, wherein the connection times generate the MAC address lists in a descending order, the connection time periods generate the MAC address lists in a sequence closest to the current system time, or the MAC address lists are generated in a sequence from the nearest to the farthest in the time sequence. In this way, it can be easily understood that different lists can be set according to different user needs, and searching and automatic connection can be realized in the most efficient way.
In this embodiment, the MAC address list stores at least 5 MAC addresses, such as 6, 7, 10, etc. The preset threshold is 3 times, 5 times or 8 times, and the like, it is understood that if the connection times reach the preset threshold and are unsuccessful, the device may have a problem, and in order to avoid blind connection, the times are set in the embodiment, and then other devices can be searched and connected.
For some cases that a large file needs to be transmitted or high-speed transmission needs to be performed, the present embodiment may use another network for connection, specifically, the step of automatically establishing connection between the vehicle-mounted bluetooth device and the target bluetooth device may further include: when the vehicle-mounted Bluetooth device is successfully connected with the target Bluetooth device automatically, the vehicle-mounted Bluetooth device gives the vehicle networking name and the password of the vehicle to the target Bluetooth device in a Bluetooth mode, so that the target Bluetooth device is connected with a second network of the vehicle-mounted Bluetooth device through the vehicle networking name and the password.
Referring to fig. 2, fig. 2 is a schematic structural diagram of an embodiment of a vehicle bluetooth device according to the present application.
In this embodiment, the vehicle-mounted bluetooth device includes a processor 21 and a bluetooth module 22, the bluetooth module 22 is configured to implement bluetooth connection, and the processor 21 is configured to execute bluetooth automatic connection program data, so as to implement the following steps, but not limited to:
when the vehicle-mounted Bluetooth device is started, judging whether the vehicle is in a running state; in this way, the present embodiment can determine the special driving situation, and is convenient for the driver and other special users to use.
When the vehicle is judged to be in a driving state, triggering the automatic target searching Bluetooth equipment; by the mode, the infinite circular search of equipment with high loss can be avoided, and energy conservation and environmental protection are realized.
When the target Bluetooth device is searched, judging whether the device name of the target Bluetooth device is prestored in the local vehicle-mounted Bluetooth device; in this way, it is possible to check whether it is a target bluetooth device, avoiding automatic connection to a disguised device.
When the device name of the target Bluetooth device is judged to be pre-stored locally in the vehicle-mounted Bluetooth device, acquiring the MAC address of the target Bluetooth device; by the method, the MAC address can be acquired under the condition that the name is confirmed to be the same, and energy consumption is reduced.
Judging whether the MAC address of the target Bluetooth device corresponds to the device name and whether matching connection is performed;
and when the MAC address corresponds to the equipment name and is matched and connected, the vehicle-mounted Bluetooth equipment and the target Bluetooth equipment automatically establish connection.
It should be noted that, the processor 21 is configured to execute the bluetooth automatic connection program data, and the steps implemented by the processor may further include: when the vehicle-mounted Bluetooth equipment is started, an MAC address list of target Bluetooth equipment which is subjected to matching connection is automatically generated; and automatically searching for the target Bluetooth equipment according to the MAC address list.
It should be noted that the processor 21 is configured to execute the bluetooth automatic connection program data, and the implementing step may further include: judging whether the connection between the vehicle-mounted Bluetooth device and the target Bluetooth device is successfully established; and when the connection is determined to be unsuccessful and the number of times of unsuccessful reconnection reaches a preset threshold value, stopping the automatic connection of the corresponding MAC address, and searching other target Bluetooth equipment for other MAC addresses in the MAC address list.
In this embodiment, the processor 21 is configured to execute the bluetooth automatic connection program data, and the implementing step may further include: and generating the MAC address lists with different orders according to the connection times, the connection time periods or the time sequence, wherein the connection times generate the MAC address lists in a descending order, the connection time periods generate the MAC address lists in a sequence closest to the current system time, or the MAC address lists are generated in a sequence from the nearest to the farthest in the time sequence. In this way, it can be easily understood that different lists can be set according to different user needs, and searching and automatic connection can be realized in the most efficient way.
In this embodiment, the MAC address list stores at least 5 MAC addresses, such as 6, 7, 10, etc. The preset threshold is 3 times, 5 times or 8 times, and the like, it is understood that if the connection times reach the preset threshold and are unsuccessful, the device may have a problem, and in order to avoid blind connection, the times are set in the embodiment, and then other devices can be searched and connected.
For some cases that a large file needs to be transmitted or a high-speed transmission needs to be performed, the embodiment may use another network for connection, and specifically, the steps performed by the processor 21 may further include: when the vehicle-mounted Bluetooth device is successfully connected with the target Bluetooth device automatically, the vehicle-mounted Bluetooth device gives the vehicle networking name and the password of the vehicle to the target Bluetooth device in a Bluetooth mode, so that the target Bluetooth device is connected with a second network of the vehicle-mounted Bluetooth device through the vehicle networking name and the password.
The application also provides a vehicle, which can be provided with the vehicle-mounted Bluetooth device. The vehicle-mounted Bluetooth device can be a vehicle-mounted device, the vehicle-mounted device is a vehicle-mounted computer and has a multimedia processing function, or a special navigation device, and the target Bluetooth device can be a mobile phone, a tablet personal computer, a virtual reality device and the like.
In this embodiment, the in-vehicle device and the target bluetooth device may establish a bluetooth low energy encrypted connection through a bluetooth key.
It is easy to understand that, the connection and data transmission can be realized under the condition that the vehicle-mounted Bluetooth device and the target Bluetooth device do not have network signals in a garage, a suburb and the like.
In the present application, the vehicle bluetooth device and the automatic connection method thereof CAN be used in a vehicle system having a vehicle TBOX, and CAN be connected to a CAN bus of a vehicle.
In this embodiment, the CAN may include three network channels CAN _1, CAN _2, and CAN _3, and the vehicle may further include one ethernet network channel, where the three CAN network channels may be connected to the ethernet network channel through two in-vehicle networking gateways, for example, where the CAN _1 network channel includes a hybrid power assembly system, where the CAN _2 network channel includes an operation support system, where the CAN _3 network channel includes an electric dynamometer system, and the ethernet network channel includes a high-level management system, the high-level management system includes a human-vehicle-road simulation system and a comprehensive information collection unit that are connected as nodes to the ethernet network channel, and the in-vehicle networking gateways of the CAN _1 network channel, the CAN _2 network channel, and the ethernet network channel may be integrated in the comprehensive information collection unit; the car networking gateway of the CAN _3 network channel and the Ethernet network channel CAN be integrated in a man-car-road simulation system.
Further, the nodes connected to the CAN _1 network channel include: the hybrid power system comprises an engine ECU, a motor MCU, a battery BMS, an automatic transmission TCU and a hybrid power controller HCU; the nodes connected with the CAN _2 network channel are as follows: the system comprises a rack measurement and control system, an accelerator sensor group, a power analyzer, an instantaneous oil consumption instrument, a direct-current power supply cabinet, an engine water temperature control system, an engine oil temperature control system, a motor water temperature control system and an engine intercooling temperature control system; the nodes connected with the CAN _3 network channel are as follows: electric dynamometer machine controller.
The preferable speed of the CAN _1 network channel is 250Kbps, and a J1939 protocol is adopted; the rate of the CAN _2 network channel is 500Kbps, and a CANopen protocol is adopted; the rate of the CAN _3 network channel is 1Mbps, and a CANopen protocol is adopted; the rate of the Ethernet network channel is 10/100Mbps, and a TCP/IP protocol is adopted.
In this embodiment, the vehicle networking gateway may be equipped with an IEEE802.3 interface, a DSPI interface, an eSCI interface, a CAN interface, an MLB interface, a LIN interface, and/or an I2C interface.
In this embodiment, for example, the IEEE802.3 interface may be used to connect to a wireless router to provide a WIFI network for the entire vehicle; the DSPI (provider manager component) interface is used for connecting a Bluetooth adapter and an NFC (near field communication) adapter and can provide Bluetooth connection and NFC connection; the eSCI interface is used for connecting the 4G/5G module and communicating with the Internet; the CAN interface is used for connecting a vehicle CAN bus; the MLB interface is used for connecting an MOST (media oriented system transmission) bus in the vehicle, and the LIN interface is used for connecting a LIN (local interconnect network) bus in the vehicle; the IC interface is used for connecting a DSRC (dedicated short-range communication) module and a fingerprint identification module. In addition, the application can merge different networks by mutually converting different protocols by adopting the MPC5668G chip.
In addition, the vehicle TBOX system, Telematics-BOX, of the present embodiment is simply referred to as a vehicle TBOX or a Telematics.
Telematics is a synthesis of Telecommunications and information science (information) and is defined as a service system that provides information through a computer system, a wireless communication technology, a satellite navigation device, and an internet technology that exchanges information such as text and voice, which are built in a vehicle. In short, the vehicle is connected to the internet (vehicle networking system) through a wireless network, and various information necessary for driving and life is provided for the vehicle owner.
In addition, Telematics is a combination of wireless communication technology, satellite navigation system, network communication technology and vehicle-mounted computer, when a fault occurs during vehicle running, the vehicle is remotely diagnosed by connecting a service center through wireless communication, and the computer built in the engine can record the state of main parts of the vehicle and provide accurate fault position and reason for maintenance personnel at any time. The vehicle can receive information and check traffic maps, road condition introduction, traffic information, safety and public security services, entertainment information services and the like through the user communication terminal, and in addition, the vehicle of the embodiment can be provided with electronic games and network application in a rear seat. It is easy to understand that, this embodiment provides service through Telematics, can make things convenient for the user to know traffic information, the parking stall situation that closes on the parking area, confirms current position, can also be connected with the network server at home, in time knows electrical apparatus running condition, the safety condition and guest's condition of visiting etc. at home.
The vehicle according to this embodiment may further include an Advanced Driver Assistance System (ADAS) that collects environmental data inside and outside the vehicle at the first time using the various sensors mounted on the vehicle, and performs technical processing such as identification, detection, and tracking of static and dynamic objects, so that a Driver can recognize a risk that may occur at the fastest time, thereby attracting attention and improving safety. Correspondingly, the ADAS of the present application may also employ sensors such as radar, laser, and ultrasonic sensors, which can detect light, heat, pressure, or other variables for monitoring the state of the vehicle, and are usually located on the front and rear bumpers, side view mirrors, the inside of the steering column, or on the windshield of the vehicle. It is obvious that various intelligent hardware used by the ADAS function can be accessed to the car networking system by means of an ethernet link to realize communication connection and interaction.
The host computer of the present embodiment vehicle may comprise suitable logic, circuitry, and/or code that may enable operation and/or functional operation of the five layers above the OSI model (Open System Interconnection, Open communication systems Interconnection reference model). Thus, the host may generate and/or process packets for transmission over the network, and may also process packets received from the network. At the same time, the host may provide services to a local user and/or one or more remote users or network nodes by executing corresponding instructions and/or running one or more applications. In various embodiments of the present application, the host may employ one or more security protocols.
In the present application, a network connection for an internet of vehicles system may be a switch, which may have AVB functionality (Audio Video brightening, meeting the IEEE802.1 set of standards), and/or include one or more unshielded twisted pair wires, each of which may have an 8P8C module connector.
In a preferred embodiment, the vehicle networking system specifically comprises a vehicle body control module BCM, a power bus P-CAN, a vehicle body bus I-CAN, a combination meter CMIC, a chassis control device and a vehicle body control device.
In this embodiment, the body control module BCM may integrate the functions of the car networking gateway to perform signal conversion, message forwarding, and the like between different network segments, i.e., between the power bus P-CAN and the body bus I-CAN, for example, if a controller connected to the power bus needs to communicate with a controller connected to the body bus I-CAN, the body control module BCM may perform signal conversion, message forwarding, and the like between the two controllers.
The power bus P-CAN and the vehicle body bus I-CAN are respectively connected with a vehicle body control module BCM.
The combination instrument CMIC is connected with a power bus P-CAN, and the combination instrument CMIC is connected with a vehicle body bus I-CAN. Preferably, the combination meter CMIC of the present embodiment is connected to different buses, such as a power bus P-CAN and a vehicle body bus I-CAN, and when the combination meter CMIC needs to acquire controller information that is hung on any bus, it is not necessary to perform signal conversion and message forwarding through a vehicle body control module BCM, so that gateway pressure CAN be reduced, network load CAN be reduced, and the speed of acquiring information by the combination meter CMIC CAN be increased.
The chassis control device is connected with the power bus P-CAN. The vehicle body control device is connected with a vehicle body bus I-CAN. In some examples, the chassis control device and the body control device CAN respectively broadcast data such as information to the power bus P-CAN and the body bus I-CAN, so that other vehicle-mounted controllers and other devices hung on the power bus P-CAN or the body bus I-CAN CAN acquire the broadcast information, and communication between the vehicle-mounted devices such as different controllers is realized.
In addition, in the car networking system of the vehicle of the embodiment, two CAN buses, namely a power bus P-CAN and a car body bus I-CAN, CAN be used, the car body control module BCM is used as a gateway, and the structure that the combination instrument CMIC is connected with both the power bus P-CAN and the car body bus I-CAN is adopted, so that the operation that information of a chassis control device or a car body control device is forwarded to the combination instrument CMIC through the gateway when the combination instrument CMIC is hung on one of the two buses in the traditional mode CAN be omitted, therefore, the pressure of the car body control module BCM as the gateway is relieved, the network load is reduced, and information of vehicle-mounted equipment hung on a plurality of buses, such as the power bus P-CAN and the car body bus I-CAN, CAN be sent to the combination instrument CMIC for display and the information transmission is strong in real-time.
This application can avoid when current bluetooth connects need manually open, search and mate loaded down with trivial details links such as, can bring convenient automatic connection mode for driving user moreover, can avoid the emergence of accident, guarantee user's safe handling improves user experience, especially can carry out intelligent identification and initiatively start the automatic connection to special scene, reflects the intelligent automation trend of product technology development more.
Although the present application 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 application, and all changes, substitutions and alterations that fall within the spirit and scope of the application are to be understood as being included within the following description of the preferred embodiment.
Claims (12)
1. The automatic connection method of the vehicle-mounted Bluetooth equipment is characterized by comprising the following steps:
when the vehicle-mounted Bluetooth device is started, judging whether the vehicle is in a running state;
when the vehicle is judged to be in a driving state, triggering the automatic target searching Bluetooth equipment;
when the target Bluetooth device is searched, judging whether the device name of the target Bluetooth device is prestored in the local vehicle-mounted Bluetooth device;
when the device name of the target Bluetooth device is judged to be pre-stored locally in the vehicle-mounted Bluetooth device, acquiring the MAC address of the target Bluetooth device;
judging whether the MAC address of the target Bluetooth device corresponds to the device name and whether matching connection is performed;
and when the MAC address corresponds to the equipment name and is matched and connected, the vehicle-mounted Bluetooth equipment and the target Bluetooth equipment automatically establish connection.
2. The automatic connection method of the vehicle Bluetooth device according to claim 1, further comprising:
when the vehicle-mounted Bluetooth equipment is started, an MAC address list of target Bluetooth equipment which is subjected to matching connection is automatically generated;
and automatically searching for the target Bluetooth equipment according to the MAC address list.
3. The method according to claim 2, wherein the step of automatically establishing connection between the vehicle-mounted bluetooth device and the target bluetooth device when the MAC address corresponds to the device name and matching connection is performed further comprises:
judging whether the connection between the vehicle-mounted Bluetooth device and the target Bluetooth device is successfully established;
and when the connection is determined to be unsuccessful and the number of times of unsuccessful reconnection reaches a preset threshold value, stopping the automatic connection of the corresponding MAC address, and searching other target Bluetooth equipment for other MAC addresses in the MAC address list.
4. The automatic connection method of the vehicle-mounted Bluetooth device according to claim 3, wherein the step of automatically generating the MAC address list of the target Bluetooth device which has been subjected to matching connection specifically includes:
and generating the MAC address lists with different orders according to the connection times, the connection time periods or the time sequence, wherein the connection times generate the MAC address lists in a descending order, the connection time periods generate the MAC address lists in a sequence closest to the current system time, or the MAC address lists are generated in a sequence from the nearest to the farthest in the time sequence.
5. The automatic connection method of the vehicle-mounted Bluetooth device as claimed in claim 4, wherein the MAC address list stores at least 5 MAC addresses, and the preset threshold is 3 times.
6. The automatic connection method of the vehicle-mounted Bluetooth device according to any one of claims 1 to 5, wherein the step of automatically establishing connection between the vehicle-mounted Bluetooth device and the target Bluetooth device further comprises:
when the vehicle-mounted Bluetooth device is successfully connected with the target Bluetooth device automatically, the vehicle-mounted Bluetooth device gives the vehicle networking name and the password of the vehicle to the target Bluetooth device in a Bluetooth mode, so that the target Bluetooth device is connected with a second network of the vehicle-mounted Bluetooth device through the vehicle networking name and the password.
7. An in-vehicle bluetooth device, comprising a processor for executing bluetooth auto-connect procedure data, the steps comprising:
when the vehicle-mounted Bluetooth device is started, judging whether the vehicle is in a running state;
when the vehicle is judged to be in a driving state, triggering the automatic target searching Bluetooth equipment;
when the target Bluetooth device is searched, judging whether the device name of the target Bluetooth device is prestored in the local vehicle-mounted Bluetooth device;
when the device name of the target Bluetooth device is judged to be pre-stored locally in the vehicle-mounted Bluetooth device, acquiring the MAC address of the target Bluetooth device;
judging whether the MAC address of the target Bluetooth device corresponds to the device name and whether matching connection is performed;
and when the MAC address corresponds to the equipment name and is matched and connected, the vehicle-mounted Bluetooth equipment and the target Bluetooth equipment automatically establish connection.
8. The vehicular bluetooth device according to claim 7, wherein the processor is configured to execute the bluetooth auto-connect procedure data to perform the steps further comprising:
when the vehicle-mounted Bluetooth equipment is started, an MAC address list of target Bluetooth equipment which is subjected to matching connection is automatically generated;
and automatically searching for the target Bluetooth equipment according to the MAC address list.
9. The vehicular bluetooth device according to claim 8, wherein the processor is configured to execute the bluetooth auto-connect procedure data to perform the steps further comprising:
judging whether the connection between the vehicle-mounted Bluetooth device and the target Bluetooth device is successfully established;
and when the connection is determined to be unsuccessful and the number of times of unsuccessful reconnection reaches a preset threshold value, stopping the automatic connection of the corresponding MAC address, and searching other target Bluetooth equipment for other MAC addresses in the MAC address list.
10. The vehicular bluetooth device according to claim 9, wherein the processor is configured to execute the bluetooth auto-connect procedure data to perform the steps further comprising:
and generating the MAC address lists with different orders according to the connection times, the connection time periods or the time sequence, wherein the connection times generate the MAC address lists in a descending order, the connection time periods generate the MAC address lists in a sequence closest to the current system time, or the MAC address lists are generated in a sequence from the nearest to the farthest in the time sequence.
11. The vehicle bluetooth device according to claim 10, wherein the MAC address list stores at least 5 MAC addresses, and the preset threshold is 3 times.
12. A vehicle, characterized in that the vehicle is provided with a vehicle bluetooth device according to any of claims 7-11.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810956109.0A CN110856150A (en) | 2018-08-21 | 2018-08-21 | Vehicle, vehicle-mounted Bluetooth device thereof and automatic connection method of Bluetooth device |
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| CN201810956109.0A CN110856150A (en) | 2018-08-21 | 2018-08-21 | Vehicle, vehicle-mounted Bluetooth device thereof and automatic connection method of Bluetooth device |
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| CN110856150A true CN110856150A (en) | 2020-02-28 |
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