CN107220037A - Vehicular meter interface subject updates system and method, instrument terminal and server - Google Patents

Abstract

The invention discloses a vehicle instrument interface theme updating system. The system includes a server and an instrument terminal, wherein the server stores a vehicle instrument interface theme database; the instrument terminal establishes a network connection with the server when valid network connection information is detected, and the instrument The terminal obtains the downloadable instrument interface themes in the vehicle instrument interface theme database, determines the pre-downloaded instrument interface theme according to the user's input instruction, and downloads the determined instrument interface theme. The vehicle instrument interface theme update system is convenient for users to update the instrument interface theme by themselves, and the operation is simple and convenient, which saves costs for the update and maintenance of the original instrument factory. The invention also discloses a vehicle instrument interface theme updating method, instrument terminal and server.

Description

Vehicle Instrumentation Interface Theme Update System and Method, Instrumentation Terminal and Server

technical field

The invention belongs to the technical field of vehicles, and in particular relates to a system for updating a theme of a vehicle instrument interface, a method for updating a theme of a vehicle instrument interface, an instrument terminal and a server.

Background technique

With the development of LCD screens, more and more car instrument screens are replaced by LCD screens. The interface themes of the LCD screen are solidified and stored in the meter when the meter leaves the factory. However, users may not like the instrument interface theme stored in the factory, and hope to update it to their favorite interface theme. The current update method, either remove the instrument and return it to the factory for update, or the engineer updates it through a professional update tool.

Contents of the invention

The present invention aims to solve one of the technical problems in the related art at least to a certain extent.

For this reason, an object of the present invention is to propose a vehicle instrument interface theme update system, which is convenient for users to update the instrument interface theme by themselves, simple and convenient to operate, and saves costs for the update and maintenance of the original instrument factory.

The invention also proposes a vehicle instrument interface theme updating method, and an instrument terminal and server.

In order to solve the above problems, the present application proposes a vehicle instrument interface theme update system on the one hand, the system includes: a server, the server stores a vehicle instrument interface theme database; instrument terminal, when valid network connection information is detected, the The meter terminal establishes a network connection with the server, the meter terminal obtains the downloadable meter interface theme in the vehicle meter interface theme database, determines the pre-downloaded meter interface theme according to the user's input instruction, and downloads the determined meter interface theme. Interface theme.

In the vehicle instrument interface theme update system of the embodiment of the present invention, the instrument terminal is connected to the server through the network. The instrument terminal selects the pre-downloaded instrument interface theme in the instrument interface theme database and downloads it. The user can update it by himself without disassembling the instrument. Or through a dedicated update tool, it is simple and convenient, and it also reduces costs for instrument manufacturers to update and maintain.

In order to solve the above problems, another aspect of the present application proposes a method for updating the theme of the vehicle instrument interface. The method includes: when the instrument terminal detects valid network connection information, establishes a network connection with the server, wherein the server includes Theme database; the meter terminal obtains the downloadable meter interface theme in the vehicle meter interface theme database; the meter terminal determines the pre-downloaded meter interface theme according to the user's input instruction; and, the meter terminal downloads the determined instrument interface theme Describes the instrument interface theme.

In the vehicle instrument interface theme update method of the embodiment of the present invention, the instrument terminal is connected to the server through the network, and the instrument terminal selects the pre-downloaded instrument interface theme in the instrument interface theme database and downloads it. The user can update it by himself without disassembling the instrument, or Through the dedicated update tool, it is simple and convenient, and it also reduces the cost of update and maintenance for instrument manufacturers.

In order to solve the above problems, another aspect of the present invention also proposes an instrument terminal, which includes: an input module for receiving user input instructions; a display module for displaying valid network connection information, and when connected to the server Then display the downloadable instrument interface theme in the vehicle instrument interface theme database; the first control module and the first communication module, the first control module selects the connection network in the effective network connection information according to the first input instruction, and Establishing a network connection with the server through the first communication module, determining a pre-downloaded instrument interface theme according to a second input instruction, and downloading the determined instrument interface theme.

The meter terminal of the embodiment of the present invention, when there is an effective network connection, connects to the server through the first communication module, selects a pre-downloaded meter interface theme in the vehicle meter interface theme database, and downloads the meter interface theme, so that there is no need to disassemble the meter, Or use a dedicated update tool, which is very convenient and can also reduce the update and maintenance costs of instrument manufacturers.

In order to solve the above problems, another aspect of the present invention also proposes a server, which includes: a second communication module, used to establish a network connection with the meter terminal; a second storage module, used to store the theme database of the vehicle meter interface; The control module is used to provide the data of the vehicle instrument interface theme database to the instrument terminal according to the request command, so that the instrument terminal determines the pre-downloaded instrument interface theme and downloads the determined instrument interface theme.

The server of the embodiment of the present invention is connected to the meter terminal through the second communication module, and the second control module controls the second storage module to provide the theme of the vehicle meter interface to the meter terminal, thereby providing a data basis for updating the theme of the meter interface of the meter terminal.

Description of drawings

Fig. 1 is a block diagram of a vehicle instrument interface theme update system according to an embodiment of the present invention;

Fig. 2 is a block diagram of a vehicle instrument interface theme update system according to another embodiment of the present invention;

FIG. 3 is a flow chart of a method for updating a vehicle instrument interface theme according to an embodiment of the present invention;

Fig. 4 is a flowchart of a vehicle instrument interface theme update method according to a specific embodiment of the present invention;

Fig. 5 is a flow chart of the instrument interface theme update process when the network connection is invalid according to another specific embodiment of the present invention;

Figure 6 is a block diagram of a meter terminal according to one embodiment of the present invention;

7 is a flow chart of a method for updating a vehicle instrument interface theme according to another embodiment of the present invention; and

Figure 8 is a block diagram of a server according to one embodiment of the present invention.

detailed description

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

The vehicle instrument interface theme update system according to the embodiment of the present application will be described below with reference to the accompanying drawings.

FIG. 1 is a block diagram of a vehicle instrument interface theme update system according to an embodiment of the present invention. As shown in FIG. 1 , the system 100 includes a server 10 and an instrument terminal 20 .

The server 10 stores a vehicle instrument interface theme database. The vehicle instrument interface theme database may include instrument interface theme data provided by instrument manufacturers, or other types of instrument interface theme data. The instrument interface theme may meet the instrument interface theme format requirements. collection of pictures.

When the meter terminal 20 detects valid network connection information, it establishes a network connection with the server 10. For example, as shown in FIG. The instrument interface theme, and determine the pre-downloaded instrument interface theme according to the user's input instruction. Here, the pre-downloaded instrument interface theme can be understood as the instrument interface theme that the user wants to download, and download the determined instrument interface theme, for example, After receiving the download input instruction, the pre-download interface theme is downloaded, so that the user can download the instrument interface theme he needs by himself, and then the instrument terminal 20 can start by itself after the download is completed to complete the update. Therefore, the update can be completed without dismantling the instrument or needing a professional update tool, which reduces the cost of update and maintenance of the instrument manufacturer, is convenient and simple, and meets the needs of users.

Further, as shown in FIG. 2 , the meter terminal 20 includes an input module 21 , a display module 22 , a first control module 23 and a first communication module 24 . Among them, the input module 21, such as a button or a touch unit, is used to receive the user's input instruction; the display module 22 is used to display valid network connection information, for example, when the network connection information is detected, it is displayed that the network can be connected, and when the instrument terminal 20 is connected When the server 10 displays the downloadable instrument interface theme in the vehicle instrument interface theme database, the user can search for the instrument interface theme that can be downloaded to select the instrument interface theme he needs; the first control module 23 is in the effective network according to the first input instruction In the connection information, select the connection network, establish a network connection with the server 10 through the first communication module 24, determine the pre-downloaded instrument interface theme according to the second input instruction, and download the determined instrument interface theme after receiving the download input instruction.

The display module 22 is also used to display at least one of the connection status of the first communication module 24, the selection information of the instrument interface theme, and the download progress of the instrument interface theme, so that the user can understand related information more intuitively. In a nutshell, the display module 22, such as a liquid crystal display, is used for displaying prompt information and man-machine interaction.

The meter terminal 20 also includes a first storage module 25 for storing the downloaded meter interface theme. The first control module 23 is responsible for the control of the network connection of the instrument terminal 20 and the download and storage of the theme of the instrument interface.

The server 10 includes a second communication module 11 , a second storage module 12 and a second control module 13 . Wherein, the second communication module 11 is used to establish a network connection with the instrument terminal 20; the second storage module 12 is used to store the vehicle instrument interface theme database; the second control module 13 is used to provide the data of the vehicle instrument interface theme database according to the request command to The instrument terminal 20, so that the instrument terminal 20 determines the pre-downloaded instrument interface theme, and downloads the determined instrument on-board interface theme.

Specifically, the vehicle is started, the instrument terminal 20 is turned on, and the user operates the input module 21 of the instrument terminal 20. For example, the input module 21 is implemented in a touch form, and the input module 21 provides an instrument interface menu, which includes downloading the instrument interface theme. menu item, the user triggers the menu item, the display module 22 displays the WIFI hotspot that can be connected, selects the WIFI hotspot to be connected, and the instrument terminal 20 connects with the routing device 30 such as a wireless router through the first communication module 24 such as a WIFI module. Thereby establish network connection with server 10, second control module 13 according to network access request, control the data in the vehicle instrument interface subject database in the second storage module 12 to provide to instrument terminal 20, and display module 22 will display the instrument interface that can be downloaded Theme, the user selects the instrument interface theme to be downloaded through the input module 21 of the instrument terminal 20, and after the instrument terminal 20 receives the download input instruction, the first control module 23 controls the download of the selected instrument interface theme. After the download is completed, the meter terminal 20 can automatically restart to complete the update of the theme of the meter interface.

The user operates the input module 21 of the meter terminal 20. When an effective network connection is detected, the user connects to the server 10 that provides the meter interface theme database through the first communication module 24, and then selects the meter interface theme that needs to be downloaded. After the download is completed, the meter terminal 20 After restarting, the update of the instrument interface theme can be completed. The operation is simple and convenient, and the user can perform the update by himself without dismantling the instrument terminal 20, or through the update tool on the home page, which also saves update and maintenance costs for the instrument manufacturer.

In addition, based on the multimedia system of the vehicle, in an embodiment of the present invention, the first storage module 25 can be connected with the vehicle-mounted multimedia system. Generally, the vehicle-mounted multimedia system includes an external storage device data interface such as USB (Universal Serial Bus, Universal Serial Bus) interface, the vehicle-mounted multimedia obtains the instrument interface theme in the external storage device such as the U disk through the external storage device data interface. When the network connection information is invalid, for example, when the vehicle is in a place without network connection, the first control module 23 controls the first storage device. The module 25 stores the instrument interface theme of the external storage device for vehicle-mounted multimedia transmission, so that when there is no network connection, the user's requirement for updating the instrument interface theme can also be met. Wherein, the instrument interface theme in the external storage device may include an interface theme provided by a manufacturer or an interface theme designed by a user, or through other types of instrument interface themes.

Based on the above description, a method for updating a vehicle instrument interface theme according to another embodiment of the present invention will be described below with reference to the accompanying drawings.

Fig. 3 is a flowchart of a method for updating a vehicle instrument interface theme according to an embodiment of the present invention. As shown in Fig. 3, the method includes the following steps:

S1. When the meter terminal detects valid network connection information, it establishes a network connection with a server, wherein the server includes a vehicle meter interface theme database.

S2. The meter terminal acquires the downloadable meter interface themes in the vehicle meter interface theme database.

S3. The meter terminal determines the pre-downloaded meter interface theme according to the user's input instruction. For example, it can select the meter interface theme that it wants to download through the input module.

S4. The meter terminal downloads the determined meter interface theme. For example, after receiving the download input instruction, the meter terminal downloads the pre-downloaded interface theme, and after the download is completed, the meter terminal restarts to complete the update of the meter interface theme.

In the vehicle instrument interface theme update method of the embodiment of the present invention, the instrument terminal is connected to the server, and the instrument terminal selects a pre-downloaded instrument interface theme from the downloadable instrument interface themes in the instrument interface theme database, and downloads it, and the user can do it by himself Update, without disassembling the instrument, or through a special update tool, is simple and convenient, and also reduces the cost of update and maintenance for instrument manufacturers.

The meter terminal can also prompt at least one of network connection status, interface theme selection information, and interface theme download progress, so that the user can understand related information more intuitively.

Fig. 4 is a flow chart of a vehicle instrument interface theme update method according to a specific embodiment of the present invention, as shown in Fig. 4 , specifically comprising:

S11, start the vehicle.

S12, triggering the menu item of downloading the theme of the instrument interface in the input module of the instrument terminal.

S13, the instrument terminal displays connectable WIFI hotspots, selects the WIFI hotspots to be connected, and establishes a network connection with the server.

S14. The meter terminal displays the downloadable meter interface themes in the meter interface theme database of the server.

S15. Select a pre-downloaded instrument interface theme, store it in the storage module of the instrument terminal, and simultaneously display the download progress on the display module of the instrument terminal.

S16, the download is completed, and the meter terminal automatically restarts, that is, the update of the theme of the meter interface is completed.

In addition, when the network connection information is invalid, the instrument terminal receives the instrument interface theme in the external storage device transmitted by the vehicle-mounted multimedia, wherein the vehicle-mounted multimedia includes an external storage device data interface such as a USB interface, and the external storage device is obtained through the external storage device data interface. For example, the instrument interface theme in the U disk; the instrument terminal stores the instrument interface theme in the external storage device, and then the instrument terminal can select the stored instrument interface theme according to the instruction, and complete the update of the instrument interface theme after the instrument terminal is restarted. It can be understood that the instrument interface themes in the external storage device may include instrument interface themes provided by the manufacturer, designed by the user, or other types, and the types are more diverse.

Fig. 5 is a flow chart of an instrument terminal according to an embodiment of the present invention to obtain an instrument interface theme through vehicle-mounted multimedia, wherein the external storage device takes a U disk as an example, as shown in Fig. 5 , specifically including:

S21, controlling the vehicle to be in an OFF gear.

S22, the U disk is inserted into the vehicle multimedia.

S23, start the vehicle.

S24, the vehicle multimedia starts and automatically scans the USB flash drive.

S25, judging whether there is a qualified instrument interface theme picture saved in the USB flash drive, if yes, go to step S26, otherwise end.

S26, copying the theme picture of the instrument interface that meets the requirements and transferring and storing it to the FLASH memory of the instrument terminal.

S27, the downloading is completed.

S28, the meter terminal automatically restarts, and the update ends.

To sum up, in the method for updating the main body of the vehicle instrument interface in the embodiment of the present invention, when the network connection is valid, the instrument terminal establishes a network connection with the server, and selects the pre-downloaded interface theme in the instrument interface theme database of the server, and then downloads its own theme. The required instrument interface theme does not need to be disassembled, or through a professional update tool, which is very convenient and simple; and when the network connection is invalid, the user can also obtain the instrument interface theme stored in the external storage device through the data interface of the external storage device of the vehicle multimedia , so as to meet the diverse needs of users.

Based on the description of the above embodiments, the meter terminal according to another embodiment of the present invention will be described below with reference to the accompanying drawings.

FIG. 6 is a block diagram of an instrument terminal according to an embodiment of the present invention. As shown in FIG. 6 , the instrument terminal 20 includes an input module 21 , a display module 22 , a first control module 23 and a first communication module 24 .

Input module 21 is used for receiving user's input order; Display module 22 is used for displaying effective network connection information, and after connecting server, shows the downloadable instrument interface theme in vehicle instrument interface theme database; First control module 23 according to the first input The instruction selects the connection network in the valid network connection information, and establishes a network connection with the server through the first communication module 24, determines the pre-downloaded instrument interface theme according to the second input instruction, and downloads the determined instrument interface theme, for example, after receiving Download the pre-download interface theme after the download input command, and then after the download is completed, the meter terminal 20 automatically restarts to complete the update of the meter interface theme.

The instrument terminal 20 of the embodiment of the present invention, when there is an effective network connection, connects to the server through the first communication module 24, and selects a pre-downloaded instrument interface theme in the vehicle instrument interface theme database, and downloads the instrument interface theme, so that it does not need to be disassembled It is very convenient to upgrade the instrument, or use a dedicated update tool, and it can also reduce the update and maintenance costs of the instrument manufacturer.

The display module 22 is also used to display at least one of the connection status of the first communication module 24, the selection information of the instrument interface theme, and the download progress of the instrument interface theme, so that the user can understand related information more intuitively.

In an embodiment of the present invention, the instrument terminal 20 further includes a first storage module 25, and the first storage module 25 is used for storing the downloaded instrument interface themes.

In addition, in some embodiments of the present invention, the first storage module 25 is connected with the vehicle-mounted multimedia, and the vehicle-mounted multimedia includes an external storage device data interface, and the vehicle-mounted multimedia obtains the instrument interface theme in the external storage device through the external storage device data interface. When the connection information is invalid, the first control module 23 controls the first storage module 25 to store the instrument interface theme of the external storage device for vehicle multimedia transmission. Therefore, when the connection to the network is invalid, the instrument terminal 20 can obtain the instrument interface theme of the external storage device based on the vehicle multimedia, which can also meet the needs of the user terminal.

The method for updating the theme of the vehicle instrument interface according to another embodiment of the present invention will be described below with reference to the accompanying drawings.

FIG. 7 is a flow chart of a method for updating a vehicle instrument interface theme according to an embodiment of the present invention. As shown in FIG. 7 , the method includes:

S31. The server establishes a network connection with the meter terminal. Specifically, after receiving a networking request from the meter terminal, the server identifies the meter terminal and establishes a network connection.

S32. The server provides the data of the vehicle instrument interface theme database to the instrument terminal according to the request command, so that the instrument terminal determines the pre-downloaded instrument interface theme and downloads the determined instrument onboard interface theme. Therefore, the instrument terminal can access and search for instrument interface themes in the vehicle instrument interface theme database to select a pre-downloaded instrument interface theme.

The vehicle instrument interface theme updating method of the embodiment of the present invention establishes a network connection with the instrument terminal through the server, and provides a vehicle instrument interface theme database, thereby providing a data basis for updating the instrument interface theme of the instrument terminal.

FIG. 8 is a server according to an embodiment of the present invention. As shown in FIG. 8 , the server 10 includes a second communication module 11 , a second storage module 12 and a second control module 13 .

Wherein, the second communication module 11 is used to establish a network connection with the instrument terminal; the second storage module 12 is used to store the vehicle instrument interface theme database; the second control module 13 is used to provide the data of the vehicle instrument interface theme database to the instrument according to the request command terminal, so that the instrument terminal determines the pre-downloaded instrument interface theme, and downloads the determined instrument onboard interface theme.

The server 10 of the embodiment of the present invention is connected to the instrument terminal through the second communication module 11, and the second control module 13 controls the second storage module 12 to provide the theme of the vehicle instrument interface to the instrument terminal, thereby providing data for the update of the instrument interface theme of the instrument terminal Base.

It should be noted that, in the description of the specification of the present invention, any process or method description in the flow chart or described herein in other ways can be understood as indicating that it includes one or more code modules, segments or portions of executable instructions, and the scope of the preferred embodiments of the present invention includes additional implementations, which may not be in the order shown or discussed, including substantially simultaneously according to the functions involved It should be understood by those skilled in the art to which the embodiments of the present invention pertain to perform the functions in the same manner or in reverse order.

The logic and/or steps represented in the flowcharts or otherwise described herein, for example, can be considered as a sequenced listing of executable instructions for implementing logical functions, which can be embodied in any computer-readable medium, For use with instruction execution systems, devices, or devices (such as computer-based systems, systems including processors, or other systems that can fetch instructions from instruction execution systems, devices, or devices and execute instructions), or in conjunction with these instruction execution systems, devices or equipment used. For the purposes of this specification, a "computer-readable medium" may be any device that can contain, store, communicate, propagate or transmit a program for use in or in conjunction with an instruction execution system, device, or device. More specific examples (non-exhaustive list) of computer-readable media include the following: electrical connection with one or more wires (electronic device), portable computer disk case (magnetic device), random access memory (RAM), Read Only Memory (ROM), Erasable and Editable Read Only Memory (EPROM or Flash Memory), Fiber Optic Devices, and Portable Compact Disc Read Only Memory (CDROM). In addition, the computer-readable medium may even be paper or other suitable medium on which the program can be printed, since the program can be read, for example, by optically scanning the paper or other medium, followed by editing, interpretation or other suitable processing if necessary. processing to obtain the program electronically and store it in computer memory.

It should be understood that various parts of the present invention can be realized by hardware, software, firmware or their combination. In the embodiments described above, various steps or methods may be implemented by software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, it can be implemented by any one or combination of the following techniques known in the art: Discrete logic circuits, ASICs with suitable combinational logic gates, programmable gate arrays (PGAs), field programmable gate arrays (FPGAs), etc.

Those of ordinary skill in the art can understand that all or part of the steps carried by the methods of the above embodiments can be completed by instructing related hardware through a program, and the program can be stored in a computer-readable storage medium. During execution, one or a combination of the steps of the method embodiments is included.

In the description of this specification, descriptions referring to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" mean that specific features described in connection with the embodiment or example , structure, material or characteristic is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples and features of different embodiments or examples described in this specification without conflicting with each other.

Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, those skilled in the art can make the above-mentioned The embodiments are subject to changes, modifications, substitutions and variations.

Claims (14)

1. A vehicle instrument interface theme update system, characterized in that, comprising: A server, the server stores a vehicle instrument interface theme database; The instrument terminal, when valid network connection information is detected, the instrument terminal establishes a network connection with the server, the instrument terminal obtains the instrument interface theme that can be downloaded in the vehicle instrument interface theme database, and determines according to the user's input instruction The pre-downloaded instrument interface theme is downloaded, and the determined instrument on-board interface theme is downloaded. 2. The vehicle instrument interface theme updating system as claimed in claim 1, wherein said instrument terminal comprises: The input module is used to receive the user's input instruction; A display module, configured to display valid network connection information, and display the downloadable instrument interface themes in the vehicle instrument interface theme database when the instrument terminal is connected to the server; A first control module and a first communication module, the first control module selects a connection network in valid network connection information according to the first input instruction, and connects to the server through the first communication module, and according to the second input instruction A pre-downloaded instrument interface theme is determined, and the determined instrument interface theme is downloaded. 3. The vehicle instrument interface theme update system as claimed in claim 2, wherein: The display module is also used to display at least one of the connection status of the first communication module, selection information of the instrument interface theme, and download progress of the interface theme. 4. The vehicle instrument interface theme update system as claimed in claim 2, wherein the instrument terminal further comprises: The first storage module is used to store the downloaded instrument interface theme. 5. The vehicle instrument interface theme update system as claimed in claim 4, wherein: The first storage module is connected to the vehicle-mounted multimedia, and the vehicle-mounted multimedia includes an external storage device data interface, and the vehicle-mounted multimedia obtains the instrument interface theme in the external storage device through the external storage device data interface, and in the network connection information When invalid, the first control module controls the first storage module to store the instrument interface theme of the external storage device for the in-vehicle multimedia transmission. 6. The vehicle instrument interface theme update system as claimed in claim 1, wherein said server comprises: The second communication module is used to establish a network connection with the instrument terminal; The second storage module is used for storing the theme database of the vehicle instrument interface; and The second control module is used to provide the data of the vehicle instrument interface theme database to the instrument terminal according to the request command, so that the instrument terminal determines the pre-downloaded instrument interface theme, and downloads the determined instrument interface theme . 7. A vehicle instrument interface theme update method, characterized in that, comprising the following steps: When the meter terminal detects valid network connection information, it establishes a network connection with the server, wherein the server includes a vehicle meter interface theme database; The meter terminal acquires the downloadable meter interface theme in the vehicle meter interface theme database; The meter terminal determines the pre-downloaded meter interface theme according to the user's input instruction; and The instrument terminal downloads the determined instrument interface theme. 8. The vehicle instrument interface theme updating method according to claim 7, further comprising: The meter terminal prompts at least one of network connection status, selection information of the interface theme, and download progress of the interface theme. 9. The vehicle instrument interface theme updating method according to claim 7, further comprising: When the network connection information is invalid, the instrument terminal receives the instrument interface theme in the external storage device transmitted by the vehicle-mounted multimedia, wherein the vehicle-mounted multimedia includes an external storage device data interface, and is obtained through the external storage device data interface a dashboard theme in said external storage device; and The meter terminal stores the meter interface theme in the external storage device. 10. An instrument terminal, characterized in that it comprises: The input module is used to receive the user's input instruction; A display module, configured to display effective network connection information, and display the downloadable instrument interface theme in the vehicle instrument interface theme database after connecting to the server; The first control module and the first communication module, the first control module selects a connection network in the effective network connection information according to the first input instruction, and establishes a network connection with the server through the first communication module, according to the second The input command determines the pre-downloaded instrument interface theme, and downloads the determined instrument interface theme. 11. The meter terminal according to claim 10, characterized in that, The display module is also used to display at least one of the connection status of the first communication module, selection information of the instrument interface theme, and download progress of the instrument interface theme. 12. The meter terminal according to claim 10, further comprising: The first storage module is used to store the downloaded instrument interface theme. 13. The meter terminal according to claim 12, characterized in that, The first storage module is connected to the vehicle-mounted multimedia, and the vehicle-mounted multimedia includes an external storage device data interface, and the vehicle-mounted multimedia obtains the instrument interface theme in the external storage device through the external storage device data interface, and in the network connection information When invalid, the first control module controls the first storage module to store the instrument interface theme of the external storage device for the vehicle multimedia transmission. 14. A server, characterized in that, comprising: The second communication module is used to establish a network connection with the instrument terminal; The second storage module is used for storing the theme database of the vehicle instrument interface; and The second control module is used to provide the data of the vehicle instrument interface theme database to the instrument terminal according to the request command, so that the instrument terminal determines the pre-downloaded instrument interface theme, and downloads the determined instrument interface theme .