CN115442397A

CN115442397A - Data transmission method, system and device and vehicle

Info

Publication number: CN115442397A
Application number: CN202210951763.9A
Authority: CN
Inventors: 陈方; 林乔捷; 闫雪
Original assignee: Guangzhou Xiaopeng Motors Technology Co Ltd
Current assignee: Guangzhou Xiaopeng Motors Technology Co Ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2022-12-06

Abstract

The application discloses a data transmission method, a system, a device and a vehicle, which are applied to an IVI navigation system of the vehicle, wherein the vehicle further comprises a GNSS and a T-box, the T-box is respectively connected with the GNSS and the IVI navigation system, the IVI navigation system is used for being wirelessly connected with electronic equipment, and the method comprises the following steps: receiving a data request sent by the electronic equipment through wireless connection, and sending the data request to the T-box; receiving target data sent by the T-box in response to the data request, wherein the target data is sent to the T-box by the GNSS; and sending the target data to the electronic equipment through wireless connection so that the electronic equipment processes the target data. According to the method, the electronic equipment acquires the GNSS data through wireless connection, so that the data transmission efficiency is improved, and meanwhile, the data acquisition procedures of the electronic equipment are reduced.

Description

Data transmission method, system and device and vehicle

Technical Field

The present application relates to the field of automotive technologies, and in particular, to a data transmission method, system, device, and vehicle.

Background

With the social development and the improvement of the living standard of people, automobiles are widely popularized, and the acquisition of the driving road information of the vehicles and the positioning information of the vehicles is very important for analyzing the driving condition of the vehicles. At present, electronic devices can provide high-precision positioning for Navigation, automatic driving, and emergency rescue of automobiles by analyzing data of a Global Navigation Satellite System (GNSS). In the related art, because the GNSS data is transmitted to the electronic device in a complex and cumbersome manner, the electronic device has a problem of low efficiency in acquiring the GNSS data.

Disclosure of Invention

The application provides a data transmission method, a data transmission system, a data transmission device and a vehicle, so as to solve the problems.

In a first aspect, an embodiment of the present application provides a data transmission method, which is applied to an IVI navigation system of a vehicle, where the vehicle further includes a GNSS and a T-box, where the T-box is connected to the GNSS and the IVI navigation system, respectively, and the IVI navigation system is configured to wirelessly connect to an electronic device, and the method includes: receiving a data request sent by the electronic equipment through the wireless connection, and sending the data request to the T-box; receiving target data sent by the T-box in response to the data request, wherein the target data is sent to the T-box by the GNSS; and sending the target data to the electronic equipment through the wireless connection so that the electronic equipment processes the target data.

In a second aspect, an embodiment of the present application provides a data transmission method applied to a data transmission system, where the data transmission system includes an IVI navigation system of a vehicle and an electronic device, the vehicle further includes a GNSS and a T-box, where the T-box is connected to the GNSS and the IVI navigation system, respectively, and the IVI navigation system is wirelessly connected to the electronic device, the method including: the electronic device sends a data request to the IVI navigation system through the wireless connection; the IVI navigation system receives the data request and sends the data request to the T-box; the IVI navigation system receives target data transmitted by the T-box in response to the data request, wherein the target data is transmitted to the T-box by the GNSS; the IVI navigation system sends the target data to the electronic equipment through the wireless connection; and the electronic equipment processes the target data.

In a third aspect, an embodiment of the present application further provides a data transmission device applied to an IVI navigation system of a vehicle, where the vehicle further includes a GNSS and a T-box, where the T-box is connected to the GNSS and the IVI navigation system, respectively, and the IVI navigation system is configured to wirelessly connect to an electronic device, and the data transmission device includes: a request receiving unit, a target data receiving unit and a data transmitting unit. The request receiving unit is used for receiving a data request sent by the electronic equipment through the wireless connection and sending the data request to the T-box; a target data receiving unit, configured to receive target data sent by the T-box in response to the data request, where the target data is sent to the T-box by the GNSS; and the data sending unit is used for sending the target data to the electronic equipment through the wireless connection so as to enable the electronic equipment to process the target data.

In a fourth aspect, an embodiment of the present application further provides a data transmission system, where the data transmission system includes an IVI navigation system of a vehicle and an electronic device, the vehicle further includes a GNSS and a T-box, where the T-box is connected to the GNSS and the IVI navigation system, respectively, and the IVI navigation system is connected to the electronic device wirelessly, where: the electronic device is used for sending a data request to the IVI navigation system through the wireless connection; the IVI navigation system is used for receiving the data request and sending the data request to the T-box; the IVI navigation system is used for receiving target data sent by the T-box in response to the data request, wherein the target data is sent to the T-box by the GNSS; the IVI navigation system is used for sending the target data to the electronic equipment through the wireless connection; the electronic equipment is used for processing the target data.

In a fifth aspect, an embodiment of the present application further provides a vehicle, including: one or more processors, memory, and one or more applications. Wherein the one or more application programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs configured to perform the method of the first aspect or the second aspect as described above.

In a sixth aspect, embodiments of the present application further provide a computer-readable storage medium, where a program code is stored in the computer-readable storage medium, and the program code may be called by a processor to execute the method according to the first aspect or the second aspect.

The technical scheme is applied to an IVI navigation system of a vehicle, and the vehicle further comprises a GNSS and a T-box, wherein the T-box is respectively connected with the GNSS and the IVI navigation system, and the IVI navigation system is used for being wirelessly connected with electronic equipment, receiving a data request sent by the electronic equipment through wireless connection and sending the data request to the T-box; receiving target data sent by the T-box in response to the data request, wherein the target data is sent to the T-box by the GNSS; and sending the target data to the electronic equipment through wireless connection so that the electronic equipment processes the target data. Therefore, by adopting the method, the electronic equipment can acquire GNSS data in real time through the wireless connection established between the electronic equipment and the IVI navigation system, the real-time acquisition of the GNSS data by the electronic equipment is greatly facilitated, the process is simple, and the data transmission efficiency is improved under the condition of reducing the data acquisition procedures of the electronic equipment.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic diagram illustrating an application scenario of a data transmission method according to an embodiment of the present application;

fig. 2 is a schematic flowchart illustrating a data transmission method according to an embodiment of the present application;

fig. 3 is a schematic flow chart illustrating a data transmission method according to an embodiment of the present application;

fig. 4 shows a timing diagram of a data transmission method according to an embodiment of the present application;

fig. 5 is a schematic flow chart illustrating a data transmission method according to an embodiment of the present application;

fig. 6 is a schematic flowchart illustrating a data transmission method according to an embodiment of the present application;

fig. 7 is a schematic flowchart illustrating a data transmission method according to another embodiment of the present application;

FIG. 8 is a timing diagram illustrating a data transmission method according to an embodiment of the present application;

fig. 9 is a block diagram illustrating a structure of a data transmission apparatus according to an embodiment of the present application;

FIG. 10 is a block diagram illustrating a data transmission system according to an embodiment of the present application;

FIG. 11 illustrates a block diagram of a vehicle according to an embodiment of the present application;

fig. 12 shows a block diagram of a computer storage medium according to an embodiment of the present application.

Detailed Description

In order to make the technical solutions of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

GNSS, a space-based radio navigation positioning system that provides users with all-weather three-dimensional coordinates, velocity, and time information at any location on the earth's surface or near-earth space. With the popularization of automobiles, in the related art, a vehicle-mounted remote information processor (Telematics BOX, T-BOX) generally integrates a plug-in GNSS to provide a high-precision positioning function for navigation, automatic driving and emergency rescue of automobiles, and the performance and stability of the GNSS are very important to the normal operation of the functions of the automobiles. Therefore, in the real-vehicle road test and real-vehicle GNSS problem positioning processes, the GNSS data needs to be collected in real time to analyze the operation state and performance of the GNSS.

At present, vehicle-mounted T-box equipment is generally arranged in a buckle plate below a vehicle instrument desk or a gear lever seat plate buckle and other hidden positions, the sealing is good, if an external data line collects GNSS real-time data, shell disassembly and wiring are needed to be carried out on the vehicle-mounted T-box equipment, the process is complex and tedious, and the working difficulty is high and unsafe. Therefore, since the GNSS data is transmitted to the electronic device in a complex and cumbersome manner, the electronic device in the related art has a problem of inefficient GNSS data acquisition.

In order to alleviate the above problems, the inventors of the present application propose a data transmission method, system, device and vehicle provided by an embodiment of the present application, which are applied to an IVI navigation system of a vehicle, where the vehicle further includes a GNSS and a T-box, where the T-box is connected to the GNSS and the IVI navigation system, respectively, and the IVI navigation system is used for wirelessly connecting to an electronic device. The method comprises the following steps: receiving a data request sent by the electronic equipment through wireless connection, and sending the data request to the T-box; receiving target data sent by the T-box in response to the data request, wherein the target data is sent to the T-box by the GNSS; and sending the target data to the electronic equipment through the wireless connection so that the electronic equipment processes the target data. Therefore, by adopting the method, the GNSS data can be acquired by the electronic equipment in real time through the wireless connection established between the electronic equipment and the IVI navigation system, the data acquisition is carried out without directly connecting a data line with the T-box, the complex procedures of the electronic equipment for data acquisition are reduced, the data transmission process is simplified, and the data acquisition efficiency of the electronic equipment is improved while the data transmission efficiency is improved.

Before making a detailed explanation of the technical solution proposed in the present application, the terms referred to in the present application are explained as follows:

UDP protocol: the User Datagram Protocol (UDP) provides a method for sending an encapsulated IP packet without establishing a connection for an application program, is a connectionless transport layer Protocol in an Open System Interconnection (OSI) reference model, and provides a transaction-oriented simple unreliable information transfer service.

UDP server: the UDP server does not verify the source IP on the basis of UDP, and changes the target IP into the data source IP after receiving the UDP data packet. In this mode, the module records a target IP by default, when the serial port has data, the data is sent to the recorded IP, meanwhile, the module is in the position of the server, receives a data packet sent to the module in the network, and adjusts the target IP to be the IP of the data source at any time, so that the method is suitable for the working mode of the modules corresponding to a plurality of IPs. Wherein, the program using the computer end is the same as the UDP mode, and does not need any modification.

UDPcontent: the UDP client is a port which is set by monitoring after the module is electrified, a link is not actively established, when the serial port equipment sends data to the serial port of the module, the serial server sends the data to a set target IP and the port, the personal computer can set the target IP and the port as the self port of the IP module of the module, then the personal computer sends the data, and the data can be sent to the serial port end of the module.

IP protocol: the internet protocol is a protocol for information transfer between networks.

A WiFi hotspot of the mobile phone: the technology is used for converting General Packet Radio Service (GPRS) and 3G or 4G signals received by a mobile phone into WiFi signals to be transmitted, so that portable equipment such as the mobile phone, a tablet or a notebook can surf the internet outdoors or in places without networks through a wireless network card or a WLAN module, and network resource sharing is realized.

The following description is directed to an application environment applicable to the data transmission method provided in the embodiments of the present application.

Referring to fig. 1, fig. 1 is a schematic diagram illustrating an application environment for a data transmission method according to an embodiment of the present disclosure. As shown in fig. 1, the application environment includes a vehicle 30, a target router 10, and an electronic device 20. Wherein, the target router 10 may provide a WiFi hotspot, and an IVI (In-Vehicle information, IVI) navigation system In the Vehicle 30 may connect with the WiFi hotspot provided by the target router 10; the electronic device 20 may also connect to a WiFi hotspot provided by the target router 10. When the IVI navigation system of the vehicle 30 and the electronic device 20 are respectively connected to the WiFi hotspot provided by the target router 10, the vehicle 30, the target router 10 and the electronic device 20 form a local area network, based on which the vehicle 30 and the electronic device 20 can be wirelessly connected, and through which the vehicle 30 and the electronic device 20 can perform data interaction.

The target router 10 may be a device that can provide a WiFi hotspot, such as a mobile phone, a computer, and an intelligent wearable device; the electronic device 20 may be a tablet computer, a smart phone, a vehicle, or the like that can transmit data through wireless connection; the vehicle 30 may also include a GNSS and a T-box, wherein the T-box is connected to the GNSS and IVI navigation systems, respectively. Fig. 1 only shows a schematic diagram in which the electronic device 20 is a tablet computer and the target router 10 is a mobile phone.

The mobile phone is used for providing a WiFi hotspot for connecting an IVI navigation system of a vehicle with the tablet personal computer and providing a WiFi network for the IVI navigation system and the tablet personal computer, so that the mobile phone, the IVI navigation system and the tablet personal computer form local area network communication, and the IVI navigation system is wirelessly connected with the tablet personal computer.

The IVI navigation system is used for receiving a data request sent by the tablet personal computer through wireless connection and sending the data request to the T-box; receiving target data sent by the T-box in response to the data request, wherein the target data is sent to the T-box by the GNSS; and sending the target data to the electronic equipment through wireless connection so that the electronic equipment receives the target data and analyzes, stores and the like the target data.

Embodiments of the present application will be described in detail below with reference to the accompanying drawings.

Referring to fig. 2, fig. 2 is a flowchart illustrating a data transmission method according to an embodiment of the present application, the method is applied to an IVI navigation system of a vehicle, the vehicle further includes a GNSS and a T-box, wherein the T-box is respectively connected to the GNSS and the IVI navigation system, and the IVI navigation system is used for wirelessly connecting to an electronic device. The electronic device may be a tablet computer, a smart phone, an intelligent wearable device, a vehicle, or the like, which may transmit data through wireless connection, and is not limited herein. Referring to fig. 2, the method includes at least steps S110 to S130.

Step S110: and receiving a data request sent by the electronic equipment through the wireless connection, and sending the data request to the T-box.

In some embodiments, the IVI navigation system is wirelessly connected to the electronic device, and the IVI navigation system may receive a data request transmitted by the electronic device through the wireless connection, wherein the data request may be used to request target data from the electronic device; the target data may be GNSS data.

The IVI navigation system is wirelessly connected with the electronic equipment, and data interaction can be performed in a connectionless data transmission protocol (such as a UDP (user Datagram protocol) protocol and an IP (Internet protocol).

In some embodiments, the establishing of the wireless connection between the IVI navigation system and the electronic device may be that a data function is opened through a mobile phone, and the IVI navigation system and the electronic device are wirelessly connected to the internet through the mobile phone (i.e., a portable router) or a wireless internet card, so as to achieve the wireless connection between the IVI navigation system and the electronic device; or a wireless internet access mode of the IVI navigation system and the electronic equipment is established by using an unlimited AP and a wireless network card on the basis of the traditional local area network, so that wireless connection between the IVI navigation system and the electronic equipment is realized.

In an implementation manner provided by the embodiment of the present application, in consideration of requirements of large data volume, high transmission rate requirement, and the like of target data, a manner of implementing wireless connection between the IVI navigation system and the electronic device may be to provide a WiFi hotspot through a portable router, where the IVI navigation system and the electronic device are respectively connected to the WiFi hotspot, thereby implementing wireless connection between the IVI navigation system and the electronic device, so as to meet requirements of high rate and high data volume in data transmission, and reduce delay of data transmission.

Further, after receiving a data request sent by the electronic device, the IVI navigation system forwards the data request to a T-box connected to the IVI navigation system. The IVI navigation system and the T-box may be connected in a communication manner through a network port, an ethernet, a Universal Serial Bus (USB), and the like, which is not limited herein.

Step S120: and receiving target data sent by the T-box in response to the data request, wherein the target data is sent to the T-box by the GNSS.

In some embodiments, the IVI navigation system forwards the data request to the T-box, which may receive the target data sent by the GNSS to the T-box in response to the data request. The target data is GNSS data and is sent to the T-box by the GNSS. The GNSS data can be GNSS debugging data, high-precision positioning data and the like; the GNSS data is high-rate data having a rate of hundreds of milliseconds, and is transmitted according to the National ASSociation Electronics ASSociation (NMEA) international protocol.

It should be noted that the GNSS sends GNSS data to the T-box in real time, and when the T-box receives the data request and responds to the data request, the T-box starts to receive the GNSS data sent by the GNSS in real time, and forwards the GNSS to the IVI navigation system.

It can be understood that when the T-box receives the data request and responds to the data request, the T-box starts to receive GNSS data sent by the GNSS in real time and forwards the GNSS to the IVI navigation system, and after receiving the data request, the T-box receives the GNSS data to obtain GNSS real-time data in a targeted manner, thereby reducing power consumption of data transmission, saving storage space of the T-box, and improving working efficiency of the vehicle while reducing power consumption of the vehicle.

The GNSS can be externally hung on the T-box, and can communicate with the T-box through serial port protocols (RS-232, RS-422, RS-485 and the like).

Step S130: and sending the target data to the electronic equipment through the wireless connection so that the electronic equipment processes the target data.

In some embodiments, after receiving the target data sent by the T-box, the IVI navigation system sends the target data to the electronic device through the wireless connection, so that the electronic device processes the target data. The electronic device may include a data analysis tool for GNSS data, and the electronic device may process the target data using the data analysis tool. The data analysis tool may process the target data by analyzing the target data and saving GNSS data in a memory of the electronic device, so that the electronic device can provide high-precision positioning for navigation, automatic driving, emergency rescue, and the like of the vehicle based on the GNSS data.

The technical scheme provided by the embodiment of the application is applied to an IVI navigation system of a vehicle, and the vehicle further comprises a GNSS and a T-box, wherein the T-box is respectively connected with the GNSS and the IVI navigation system, and the IVI navigation system is used for being wirelessly connected with electronic equipment, receiving a data request sent by the electronic equipment through wireless connection and sending the data request to the T-box; receiving target data sent by the T-box in response to the data request, wherein the target data is sent to the T-box by the GNSS; and sending the target data to the electronic equipment through wireless connection so that the electronic equipment processes the target data. Therefore, by adopting the method, the electronic equipment acquires the GNSS data in real time through the wireless connection established with the IVI navigation system, the real-time acquisition of the GNSS data by the electronic equipment is greatly facilitated, and the data transmission efficiency is improved under the condition of reducing the data acquisition procedures of the electronic equipment.

Referring to fig. 3, fig. 3 is a flowchart illustrating a data transmission method according to an embodiment of the present application, applied to an IVI navigation system of a vehicle, where the vehicle further includes a GNSS and a T-box, where the T-box is connected to the GNSS and the IVI navigation system respectively, and the IVI navigation system is used for wirelessly connecting to an electronic device. Referring to fig. 3, the method includes at least steps S210 to S240.

Step S210: establishing a wireless connection with the electronic device.

In some embodiments, the mode for the IVI navigation system to wirelessly connect to the electronic device may be that the portable router is used to activate a data function, and the IVI navigation system and the electronic device are used to wirelessly access the internet through the portable router or the wireless internet card, so as to establish a wireless connection between the IVI navigation system and the electronic device.

Optionally, the IVI navigation system may establish the wireless connection with the electronic device by establishing a wireless communication connection with the electronic device through a UDP protocol based on a target local area network formed by connecting the target router with the electronic device, respectively.

Wherein, the target router may be a portable router providing WiFi hotspot, such as a cell phone; or a Wireless switch for a Wireless network, a Wireless Access Point (Wireless AP), and the like. The target router is used for forming a target local area network with the IVI navigation system and the electronic equipment so that the IVI navigation system and the electronic equipment can establish wireless connection based on the target local area network, namely the target router is used for providing a network and providing a network access between the IVI navigation system and the electronic equipment.

For example, referring to fig. 4, a user turns on a WiFi hotspot of a mobile phone, an IVI navigation system (IVI navigation) and an electronic device (laptop) are respectively connected to the WiFi hotspot of the mobile phone (i.e., a target router), and the mobile phone, the IVI navigation system and the electronic device providing the WiFi hotspot form a target lan. After the electronic equipment is connected to the mobile phone, acquiring a WiFi network card IP (Internet protocol) of the mobile phone connected with the IVI navigation system by inquiring the mobile phone based on a target local area network, setting the WiFi network card IP and a port to be connected with the IVI navigation system, and creating UDPparent; after the IVI navigation system is connected to the handset, a UDP server of the listening port 8888 is created. If a user operates the electronic equipment to start a data analysis tool of GNSS data, the electronic equipment generates a data request of the GNSS; the electronic equipment and the IVI navigation system are connected with a WiFi network card IP of the mobile phone based on a target local area network and the IVI navigation system obtained by the electronic equipment inquiring the mobile phone, wireless connection is established through a UDP protocol, and the electronic equipment can send a GNSS data request to a UDP server of the IVI navigation based on the wireless connection.

It can be understood that a user only needs to provide a WiFi hotspot through a mobile phone for the IVI navigation and the notebook computer to connect simultaneously, then the notebook computer obtains a WiFi network card IP of the IVI navigation through mobile phone query, then runs a data analysis tool of the GNSS of the notebook computer, and wirelessly connects with the IVI navigation through a UDP protocol, the IVI navigation can send GNSS data to the notebook computer in a UDP manner, and the data analysis tool of the GNSS at the notebook computer end can receive the GNSS data in real time in a UDP manner, analyze the data, and store the GNSS data locally in the notebook computer. Therefore, real-time acquisition of GNSS data by the electronic equipment during real-time vehicle testing is greatly facilitated, extra data lines are not required to be additionally connected to the T-box for GNSS data transmission, the flow is simple, and the efficiency is high.

Step S220: and receiving a data request sent by the electronic equipment through the wireless connection, and sending the data request to the T-box.

Step S230: and receiving target data sent by the T-box in response to the data request, wherein the target data is sent to the T-box by the GNSS.

Step S240: and sending the target data to the electronic equipment through the wireless connection so that the electronic equipment processes the target data.

For the detailed description of step S220 to step S240, refer to the detailed description of step S110 to step S130, which is not repeated herein.

For example, referring to fig. 4 again, after receiving a data request of a GNSS sent by a laptop, the IVI navigation UDPserver forwards the data request to a T-box (T-box), and after receiving the request, the T-box forwards the received GNSS data to the IVI navigation in real time. The IVI navigation sends the received real-time GNSS data sent by the T-box to a data analysis tool of a GNSS at the notebook computer end, the GNSS data analysis tool carries out real-time processing analysis on the GNSS data and continuously circulates the operation IVI navigation that the T-box forwards the received GNSS data in real time, the IVI navigation sends the received real-time GNSS data sent by the T-box to the data analysis tool of the GNSS at the notebook computer end, and the GNSS data analysis tool carries out real-time processing analysis on the GNSS data.

By adopting the technical scheme, the wireless connection with the electronic equipment is established before the data request sent by the electronic equipment through the wireless connection is received and sent to the T-box. In the process of acquiring GNSS data in real time by the electronic equipment, the wiring of detaching the shell of the electronic equipment is not needed, and only the wireless connection between the vehicle-mounted entertainment information system and the electronic equipment is needed, the data transmission of the GNSS data is carried out through the wireless connection, the data acquisition process of the electronic equipment is reduced while the data transmission efficiency is improved, the processing of the GNSS data by the electronic equipment is more convenient and simpler, and the data processing efficiency of the electronic equipment is also improved.

Referring to fig. 5, fig. 5 is a flowchart illustrating a data transmission method according to an embodiment of the present application, the method is applied to an IVI navigation system of a vehicle, the vehicle further includes a GNSS and a T-box, wherein the T-box is respectively connected to the GNSS and the IVI navigation system, and the IVI navigation system is used for wirelessly connecting to an electronic device. Referring to fig. 5, the method includes at least steps S310 to S340.

Step S310: and receiving a data request sent by the electronic equipment through the wireless connection, and sending the data request to the T-box.

Step S320: and receiving target data sent by the T-box in response to the data request, wherein the target data is sent to the T-box by the GNSS.

Step S330: and sending the target data to the electronic equipment through the wireless connection so that the electronic equipment processes the target data.

For the detailed description of step S310 to step S330, refer to the detailed description of step S110 to step S130, which is not repeated herein.

Step S340: and under the condition that the electronic equipment is determined to finish the processing of the target data, disconnecting the wireless connection with the electronic equipment.

In some embodiments, the IVI navigation system establishes a wireless communication connection with the electronic device through a UDP protocol based on a target local area network formed by connecting a target router with the electronic device, respectively.

As an embodiment, the IVI navigation system may determine that the electronic device completes processing the target data in a manner that if the IVI navigation system detects that the electronic device is disconnected from the target router through the wireless connection established with the electronic device, the IVI navigation system determines that the electronic device completes processing the target data.

As another embodiment, the IVI navigation system may determine that the electronic device completes processing the target data, where the IVI navigation system determines that the electronic device completes processing the target data when detecting that a target lan formed by connecting to target routers respectively with the electronic device is disconnected.

As another embodiment, the mode of determining that the electronic device completes processing of the target data by the IVI navigation system may be that, if the IVI navigation system detects that the T-box stops operating for a preset time period, and after the IVI navigation system transmits all the received target data transmitted by the T-box to the electronic device, the IVI navigation system determines that the electronic device completes processing of the target data.

In the embodiment of the present application, the IVI navigation system determines the manner in which the electronic device completes processing the target data, and is not limited herein. It can be understood that, in the case that the electronic device is determined to complete the processing of the target data, the wireless connection with the electronic device is disconnected, so that the energy consumption of data transmission can be reduced, and the service life of the IVI navigation system can be prolonged.

In some embodiments, after detecting that the IVI navigation system is disconnected from the electronic device wirelessly, the T-box may stop transmitting the target data to the IVI navigation system, and may also stop receiving the target data transmitted by the GNSS, so as to reduce energy consumption and storage space of the T-box.

In some embodiments, after the IVI navigation system disconnects the wireless connection with the electronic device, the reception of the T-box transmission target data may be stopped, so as to reduce energy consumption and reduce data storage space.

By adopting the technical scheme of the application, compared with the technical scheme shown in fig. 2, the wireless connection with the electronic equipment is disconnected under the condition that the electronic equipment is determined to finish processing the target data, so that the data of the GNSS is acquired by the electronic equipment through the wireless connection, the data transmission efficiency is improved, the data acquisition process of the electronic equipment is reduced, and meanwhile, the energy consumption of data transmission is reduced.

Referring to fig. 6, fig. 6 is a flowchart illustrating a data transmission method according to an embodiment of the present application, the method is applied to an IVI navigation system of a vehicle, the vehicle further includes a GNSS and a T-box, wherein the T-box is respectively connected to the GNSS and the IVI navigation system, and the IVI navigation system is used for wirelessly connecting to an electronic device. Referring to fig. 6, the method includes at least steps S410 to S440.

Step S410: and receiving a data request sent by the electronic equipment through the wireless connection, and sending the data request to the T-box.

Step S420: and receiving target data sent by the T-box in response to the data request, wherein the target data is sent to the T-box by the GNSS.

In some embodiments, the target data sent by the GNSS is received by the T-box in response to the data request and sent to the IVI navigation system before the IVI navigation system receives the target data sent by the T-box in response to the data request.

Step S430: and sending the target data to the electronic equipment through the wireless connection so that the electronic equipment processes the target data.

For the detailed description of step S410 to step S430, refer to the detailed description of step S110 to step S130, which is not repeated herein.

Step S440: and under the condition that the electronic equipment is determined to receive the connection disconnection instruction, disconnecting the wireless connection with the electronic equipment.

In some embodiments, the electronic device includes a data analysis tool for target data, and if the IVI navigation system detects that the data analysis tool receives a stop operation command through a wireless connection established with the electronic device, it is determined that the electronic device receives a disconnection command, and the IVI navigation system disconnects the wireless connection with the electronic device.

In one embodiment, if the IVI navigation system detects that the data analysis tool of the electronic device stops working through the wireless connection established with the electronic device, it is determined that the electronic device receives a disconnection command, and the IVI navigation system disconnects the wireless connection with the electronic device.

As another embodiment, if the IVI navigation system detects that the data analysis tool of the electronic device stops working through the wireless connection established with the electronic device and continuously detects the working condition of the data analysis tool, if the data analysis tool is in a state of stopping working within a preset time period, the IVI navigation system determines that the electronic device receives a disconnection instruction, and the IVI navigation system disconnects the wireless connection with the electronic device.

For example, referring to fig. 4 again, when the notebook computer receives the command to disconnect the WiFi hotspot, the notebook computer disconnects the WiFi hotspot of the mobile phone, and the GNSS analysis tool closes the UDPclient. The IVI navigation system detects that the electronic equipment is disconnected from the WiFi hotspot provided by the mobile phone through the wireless connection established with the electronic equipment, determines that the electronic equipment receives a disconnection instruction, determines that the GNSS data analysis is finished, disconnects the IVI navigation from the WiFi hotspot of the mobile phone, and turns off the UDP server.

Referring to fig. 7, fig. 7 is a flowchart illustrating a data transmission method according to an embodiment of the present application, where the method is applied to a data transmission system, the data transmission system includes an IVI navigation system of a vehicle and an electronic device, the vehicle further includes a GNSS and a T-box, the T-box is connected to the GNSS and the IVI navigation system, respectively, and the IVI navigation system is wirelessly connected to the electronic device. Referring to fig. 7, the method includes at least steps S510 to S550.

Step S510: the electronic device sends a data request to the IVI navigation system over the wireless connection.

In some embodiments, the data transmission system may establish the wireless communication connection between the IVI navigation system and the electronic device through a UDP protocol based on a target local area network formed by the IVI navigation system and the electronic device respectively connecting to a target router.

Wherein, the target router may be a portable router providing WiFi hotspot, such as a cell phone; or a Wireless switch for a Wireless network, a Wireless Access Point (Wireless AP), or the like.

In some embodiments, the IVI navigation system in the data transmission system may create a UDP service when the IVI navigation system connects to the target router; the electronic equipment in the data transmission system can respond to the data acquisition instruction to create the UDPcontent when the electronic equipment is connected with the target router and acquires the data acquisition instruction; the data transmission system can establish wireless communication connection between the IVI navigation system and the electronic equipment based on a target local area network formed by respectively connecting the IVI navigation system and the electronic equipment with a target router, a UDP server and a UDPcontent.

Wherein the electronic device may comprise data processing functionality. Optionally, the electronic device may generate a function selection interface, where the function selection interface may include a function selection control, and a user may send a data acquisition instruction through the touch function selection control to start a data processing function of the electronic device; the electronic device may also include a function key, and the user may start a data processing function of the electronic device by pressing the function key of the electronic device to issue a data acquisition instruction. After the electronic device can start a data processing function, the electronic device creates the UDPcontent in response to the data acquisition instruction.

In some embodiments, the electronic device may include a GNSS analysis tool that, when turned on, retrieves data acquisition instructions and creates a UDPclient in response to the data acquisition instructions. Further, the data transmission system may establish a wireless communication connection between the IVI navigation system and the electronic device based on a target local area network formed by connecting the IVI navigation system and the electronic device to a target router, a UDP service, and a UDPclient, respectively.

In some embodiments, when the electronic device turns on a function of data processing, a data request may be generated and sent to the IVI navigation system over the wireless connection.

Step S520: and the IVI navigation system receives the data request and sends the data request to the T-box.

Step S530: and the IVI navigation system receives target data sent by the T-box in response to the data request, wherein the target data is sent to the T-box by the GNSS.

Step S540: and the IVI navigation system sends the target data to the electronic equipment through the wireless connection.

Step S550: and the electronic equipment processes the target data.

In some embodiments, if the electronic device acquires the disconnection instruction, the electronic device disconnects the connection with the target router in response to the disconnection instruction, and closes the UDP client. And the IVI navigation system disconnects the target router and closes the UDP server to disconnect the wireless communication connection with the electronic equipment under the condition that the electronic equipment is detected to be disconnected from the target router.

In some embodiments, the IVI navigation system may disconnect the wireless connection with the electronic device upon determining that the electronic device is finished processing the target data; the wireless connection with the electronic device can also be disconnected when the disconnection instruction is received by the electronic device.

As an embodiment, during the processing of the target data by the electronic device, a tool state selection interface may be generated, where the tool state selection interface may include a tool state selection control, and a user may control a data analysis tool in the electronic device to stop working by touching the tool state selection control. When the IVI navigation system detects that a data analysis tool in the electronic equipment stops working through wireless connection, the IVI navigation system determines that the electronic equipment completes processing of target data, and the wireless connection between the IVI navigation system and the electronic equipment is disconnected.

As another embodiment, the electronic device may also include a tool control button, and the user may control the data analysis tool in the electronic device to stop working by pressing the tool control button of the electronic device. When the IVI navigation system detects that a data analysis tool in the electronic equipment stops working through wireless connection, the IVI navigation system determines that the electronic equipment completes processing of target data, and the wireless connection between the IVI navigation system and the electronic equipment is disconnected.

Referring to fig. 8, fig. 8 is a diagram illustrating a data transmission system according to an embodiment of the present application, the system including a GNSS module, an onboard T-box, an IVI navigation module, and a notebook computer. The plug-in GNSS module communicates with the T-box through a serial port protocol, and high-speed GNSS data are sent to the T-box; and after receiving the GNSS data sent by the GNSS module, the T-box forwards the data to the IVI navigation through the USB. In order to acquire GNSS data in real time, a mobile phone can be used for providing a WiFi hotspot for IVI navigation and connection with a notebook computer, and a WiFi network is provided for the IVI navigation and the notebook computer, so that the IVI navigation, the mobile phone and the notebook computer form local area network communication, and the IVI navigation transmits the GNSS data to the notebook computer in a UDP (user datagram protocol) mode; the GNSS data analysis tool at the notebook computer end receives the GNSS data in real time in a UDP mode, analyzes the GNSS data and stores the GNSS data to the local of the notebook computer.

The GNSS data forwarded by the T-box is forwarded to the notebook computer through the IVI navigation through the WiFi network of the mobile phone and the UDP protocol, real-time acquisition of the GNSS data by the notebook computer is achieved, a data line is not needed to be directly connected with the T-box for data acquisition, the complex procedures of the notebook computer for data acquisition are reduced, and the efficiency is improved.

The technical scheme is applied to a data transmission system, the data transmission system comprises an IVI navigation system and electronic equipment of a vehicle, the vehicle further comprises a GNSS and a T-box, wherein the T-box is respectively connected with the GNSS and the IVI navigation system, the IVI navigation system is in wireless connection with the electronic equipment, and a data request is sent to the IVI navigation system through the electronic equipment through the wireless connection; the IVI navigation system receives the data request and sends the data request to the T-box; the IVI navigation system receives target data sent by the T-box in response to the data request, wherein the target data is sent to the T-box by the GNSS; the IVI navigation system sends the target data to the electronic equipment through wireless connection; the electronic device processes the target data. Therefore, by adopting the method, the electronic equipment can acquire GNSS data in real time through the wireless connection established between the electronic equipment and the IVI navigation system, so that the electronic equipment can acquire the GNSS data in real time, the GNSS data can be acquired by the electronic equipment in real time conveniently, namely, the data is transmitted through the wireless connection, the data transmission efficiency is improved, the data acquisition procedures of the electronic equipment are reduced, and the data acquisition efficiency of the electronic equipment is improved.

Referring to fig. 9, a data transmission device according to an embodiment of the present application is shown, which is applied to an IVI navigation system of a vehicle, where the vehicle further includes a GNSS and a T-box, where the T-box is connected to the GNSS and the IVI navigation system, respectively, and the IVI navigation system is used for wirelessly connecting to an electronic device. The apparatus 600 comprises: a request receiving unit 610, a target data receiving unit 620, and a data transmitting unit 630. Specifically, the request receiving unit 610 is configured to receive a data request sent by the electronic device through the wireless connection, and send the data request to the T-box; a target data receiving unit 620, configured to receive target data sent by the T-box in response to the data request, where the target data is sent to the T-box by the GNSS; a data sending unit 630, configured to send the target data to the electronic device through the wireless connection, so that the electronic device processes the target data.

In one embodiment, the request receiving unit 610 is further configured to establish a wireless connection with the electronic device before receiving a data request sent by the electronic device through the wireless connection and sending the data request to the T-box.

In one embodiment, the request receiving unit 610 is further configured to establish a wireless communication connection with the electronic device through a UDP protocol based on a target local area network formed by connecting the target router with the electronic device respectively.

In one embodiment, the data sending unit 630 is further configured to disconnect the wireless connection with the electronic device in a case that it is determined that the electronic device completes processing of the target data after the target data is sent to the electronic device through the wireless connection so that the electronic device processes the target data.

It should be noted that, the embodiments in the present specification are all described in a progressive manner, and each embodiment focuses on differences from other embodiments, and portions that are the same as and similar to each other in each embodiment may be referred to each other. For the device-like embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment. For any processing manner described in the method embodiment, all the processing manners may be implemented by corresponding processing modules in the apparatus embodiment, and details in the apparatus embodiment are not described again.

Referring to fig. 10, a block diagram of a data transmission system according to an embodiment of the present application is shown. The data transmission system 700 comprises an IVI navigation system 710 and an electronic device 720 of a vehicle F00, the vehicle F00 further comprises a GNSS712 and a T-box714, wherein the T-box714 is connected with the GNSS712 and the IVI navigation system 710 respectively, the IVI navigation system 710 is connected with the electronic device 720 by wireless, wherein: an electronic device 720 for sending a data request to the IVI navigation system 710 over a wireless connection; the IVI navigation system 710 is used for receiving a data request and sending the data request to the T-box714; an IVI navigation system 710 for receiving target data transmitted by the T-box714 in response to the data request, wherein the target data is transmitted to the T-box714 by the GNSS 712; an IVI navigation system 710 for transmitting the target data to the electronic device 720 via a wireless connection; and the electronic device 720 is used for processing the target data.

In one embodiment, the wireless communication connection between the IVI navigation system 710 and the electronic device 720 is established through a UDP protocol based on a target local area network formed by the connection between the IVI navigation system 710 and the electronic device 720 and the target router respectively; the electronic device 720 sends a data request to the IVI navigation system 710 over a wireless communication connection.

In one embodiment, when the IVI navigation system 710 connects to the target router, a UDP server is created; when the electronic device 720 is connected with the target router and acquires the data acquisition instruction, establishing a UDP client in response to the data acquisition instruction; the wireless communication connection between the IVI navigation system 710 and the electronic device 720 is established based on a target local area network, a UDP server and a UDP client formed by the IVI navigation system 710 and the electronic device 720 being respectively connected with a target router.

In one embodiment, after the electronic device 720 processes the target data, if the electronic device 720 obtains the disconnection instruction, the electronic device 720 disconnects the target router in response to the disconnection instruction, and closes the UDPclient; the IVI navigation system 710 disconnects the target router and turns off the UDP server to disconnect the wireless communication connection with the electronic device upon detecting that the electronic device 720 is disconnected from the target router.

In one embodiment, the T-box714 receives the target data sent by the GNSS712 in response to the data request and sends the target data to the IVI navigation system 710 before the IVI navigation system 710 receives the target data sent by the T-box714 in response to the data request.

Referring to fig. 11, based on the data transmission method, the present application further provides another vehicle 800 capable of executing the data transmission method, where the vehicle 800 further includes one or more processors 810, a memory 820, and one or more application programs. The memory 820 stores programs that can execute the content of the foregoing embodiments, and the processor 810 can execute the programs stored in the memory 820.

Processor 810 may include, among other things, one or more cores for processing data and a message matrix unit. The processor 810 interfaces with various components throughout the electronics using various interfaces and circuitry to perform various functions of the vehicle 800 and process data by executing or executing instructions, programs, code sets, or instruction sets stored in the memory 820 and invoking data stored in the memory 820. Alternatively, the processor 810 may be implemented in hardware using at least one of Digital Signal Processing (DSP), field-Programmable Gate Array (FPGA), and Programmable Logic Array (PLA). The processor 810 may integrate one or more of a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), a modem, and the like. The CPU mainly processes an operating system, a user interface, an application program and the like; the GPU is used for rendering and drawing display content; the modem is used to handle wireless communications. It is understood that the above modem may be implemented by a communication chip without being integrated into the processor.

The Memory 820 may include an EMMC Memory, a Random AcceSS Memories (RAM), and a Read-Only Memory (Read-Only Memory). The memory 820 may be used to store instructions, programs, code sets, or instruction sets. The memory 820 may include a stored program area and a stored data area, wherein the stored program area may store instructions for implementing an operating system, instructions for implementing at least one function (such as a touch function, a sound playing function, an image playing function, etc.), instructions for implementing various method embodiments described below, and the like. The storage data area can also store data (such as audio and video data, debugging data, high-precision positioning data) created by the terminal in use and the like.

Referring to fig. 12, a block diagram of a computer-readable storage medium according to an embodiment of the present disclosure is shown. The computer-readable storage medium 900 has stored therein a program code 910, and the program code 910 can be called by a processor to execute the method described in the above method embodiments.

The computer-readable storage medium 900 may be an electronic memory such as a flash memory, an EEPROM (electrically erasable programmable read only memory), an EPROM, a hard disk, or a ROM. Alternatively, the computer-readable storage medium 900 includes a non-volatile computer-readable storage medium. The computer readable storage medium 900 has storage space for program code 910 to perform any of the method steps of the method described above. The program code 910 can be read from or written to one or more computer program products. The program code may be compressed, for example, in a suitable form.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not necessarily depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims

1. A data transmission method is applied to an IVI navigation system of a vehicle, the vehicle further comprises a GNSS and a T-box, wherein the T-box is respectively connected with the GNSS and the IVI navigation system, the IVI navigation system is used for being wirelessly connected with an electronic device, and the method comprises the following steps:

receiving a data request sent by the electronic equipment through the wireless connection, and sending the data request to the T-box;

receiving target data sent by the T-box in response to the data request, wherein the target data is sent to the T-box by the GNSS;

and sending the target data to the electronic equipment through the wireless connection so that the electronic equipment processes the target data.

2. A data transmission method is applied to a data transmission system, the data transmission system comprises an IVI navigation system and an electronic device of a vehicle, the vehicle further comprises a GNSS and a T-box, wherein the T-box is respectively connected with the GNSS and the IVI navigation system, and the IVI navigation system is wirelessly connected with the electronic device, and the method comprises the following steps:

the electronic device sends a data request to the IVI navigation system through the wireless connection;

the IVI navigation system receives the data request and sends the data request to the T-box;

the IVI navigation system receives target data transmitted by the T-box in response to the data request, wherein the target data is transmitted to the T-box by the GNSS;

the IVI navigation system sends the target data to the electronic equipment through the wireless connection;

and the electronic equipment processes the target data.

3. The method of claim 2, wherein the electronic device sends a data request to the IVI navigation system over the wireless connection, comprising:

establishing wireless communication connection between the IVI navigation system and the electronic equipment through a UDP (user Datagram protocol) protocol based on a target local area network formed by respectively connecting the IVI navigation system and the electronic equipment with a target router;

the electronic device sends a data request to the IVI navigation system over the wireless communication connection.

4. The method of claim 3, wherein the establishing the wireless communication connection between the IVI navigation system and the electronic device via a UDP protocol based on a target LAN formed by connecting the IVI navigation system and the electronic device to a target router respectively comprises:

when the IVI navigation system is connected with the target router, creating a UDP server;

when the electronic equipment is connected with the target router and acquires a data acquisition instruction, establishing a UDP client in response to the data acquisition instruction;

and establishing wireless communication connection between the IVI navigation system and the electronic equipment based on a target local area network formed by respectively connecting the IVI navigation system and the electronic equipment with the target router, the UDP server and the UDP client.

5. The method of claim 4, further comprising, after the electronic device processes the target data:

if the electronic equipment acquires a connection disconnection instruction, the electronic equipment responds to the connection disconnection instruction to disconnect the connection with the target router and close the UDP client;

and the IVI navigation system disconnects the target router and closes the UDP server to disconnect the wireless communication connection with the electronic equipment under the condition that the disconnection of the electronic equipment and the target router is detected.

6. The method of claim 2, wherein prior to the IVI navigation system receiving the target data sent by the T-box in response to the data request, further comprising:

and the T-box responds to the data request, receives target data sent by the GNSS and sends the target data to the IVI navigation system.

7. A data transmission device, applied to an IVI navigation system of a vehicle, the vehicle further comprising a GNSS and a T-box, wherein the T-box is connected to the GNSS and the IVI navigation system, respectively, and the IVI navigation system is configured to wirelessly connect to an electronic device, the device comprising:

the request receiving unit is used for receiving a data request sent by the electronic equipment through the wireless connection and sending the data request to the T-box;

a target data receiving unit, configured to receive target data sent by the T-box in response to the data request, wherein the target data is sent to the T-box by the GNSS;

and the data sending unit is used for sending the target data to the electronic equipment through the wireless connection so as to enable the electronic equipment to process the target data.

8. A data transmission system, wherein the data transmission system comprises an IVI navigation system and an electronic device of a vehicle, the vehicle further comprises a GNSS and a T-box, wherein the T-box is connected with the GNSS and the IVI navigation system, respectively, and the IVI navigation system is wirelessly connected with the electronic device, wherein:

the electronic device is used for sending a data request to the IVI navigation system through the wireless connection;

the IVI navigation system is used for receiving the data request and sending the data request to the T-box;

the IVI navigation system is used for receiving target data sent by the T-box in response to the data request, wherein the target data is sent to the T-box by the GNSS;

the IVI navigation system is used for sending the target data to the electronic equipment through the wireless connection;

the electronic equipment is used for processing the target data.

9. A vehicle, characterized by comprising:

one or more processors;

a memory;

one or more applications, wherein the one or more applications are stored in the memory and configured to be executed by the one or more processors, the one or more programs configured to perform the method of any of claims 1-6.

10. A computer-readable storage medium, having stored thereon program code that can be invoked by a processor to perform the method according to any one of claims 1 to 6.