CN112770294B - Automatic connection method for audio-video entertainment host and T-BOX network - Google Patents
Automatic connection method for audio-video entertainment host and T-BOX network Download PDFInfo
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- CN112770294B CN112770294B CN202110001361.8A CN202110001361A CN112770294B CN 112770294 B CN112770294 B CN 112770294B CN 202110001361 A CN202110001361 A CN 202110001361A CN 112770294 B CN112770294 B CN 112770294B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/48—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for in-vehicle communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/20—Selecting an access point
Abstract
A method for automatically connecting an audio-visual entertainment host and a T-BOX network comprises the steps that firstly, the audio-visual entertainment host and the T-BOX automatically generate a common user name and a common password according to a VIN code message received from a VCU of a whole vehicle, the T-BOX uses the user name and the password which are automatically generated by the T-BOX as the user name and the password of a WIFI signal of the T-BOX, then the audio-visual entertainment host searches the WIFI signal in the surrounding environment and judges whether the user name and the password of the searched WIFI signal are the same as the user name and the password which are automatically generated by the T-BOX, if the user name and the password are the same as the user name and the password which are automatically generated by the T-BOX, the audio-visual entertainment host is automatically connected with the WIFI signal of the T-BOX through a WIFI connection module, and if the user name and the password are different, the audio-visual entertainment host displays that the WIFI signal is not connected. The design realizes the identification of the audio-video entertainment host and the T-BOX network by establishing a common user name and a common password through the VIN code of the whole vehicle, thereby completing the automatic connection of the audio-video entertainment host and the T-BOX network, saving the production cost and meeting the networking requirement of the audio-video entertainment system.
Description
Technical Field
The invention belongs to the technical field of network connection of an automobile audio-video entertainment system, and particularly relates to an automatic connection method of an audio-video entertainment host and a T-BOX network, which is suitable for reducing the production cost and meeting the networking requirement of the audio-video entertainment system.
Background
With the increasing application of vehicle-mounted audio-video entertainment systems to various vehicle types, the networking applications installed on the vehicle-mounted audio-video entertainment systems are more and more, and the networking applications can be normally used after being connected with a network. At present, the commonly adopted method is to complete network connection through a network connection module of a video entertainment host or carry out network sharing through connecting the video entertainment host with a USB interface on a T-BOX, however, if the video entertainment system and the T-BOX are simultaneously assembled with the network connection module, resource waste is easily caused and the production cost of the whole vehicle is increased, if the video entertainment system is connected with the USB interface on the T-BOX, because the T-BOX product is only provided with one USB interface, other regulation components of the whole vehicle need to preferentially meet the regulation components when the network connection requirements exist, and the networking requirements of the video entertainment system can not be met. Therefore, the method has the problems of higher production cost and incapability of meeting the networking requirement of the video entertainment system.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provide an automatic connection method of an audio-video entertainment host and a T-BOX network, which can reduce the production cost and simultaneously meet the networking requirement of an audio-video entertainment system.
In order to achieve the above purpose, the invention provides the following technical scheme:
a method for automatically connecting an audio and video entertainment host with a T-BOX network is realized by a network connection device, the network connection device comprises a whole vehicle VCU, the audio and video entertainment host and the T-BOX, the whole vehicle VCU is connected with the audio and video entertainment host and the T-BOX through a wiring harness, the T-BOX is connected with an external network through a network connection module arranged on the T-BOX, and the audio and video entertainment host is provided with a WIFI connection module;
the method comprises the following steps in sequence:
firstly, activating an audio-visual entertainment host and a T-BOX, then sending a complete vehicle VIN code request to a complete vehicle VCU by the audio-visual entertainment host and the T-BOX, and respectively sending VIN code messages to the audio-visual entertainment host and the T-BOX after the complete vehicle VCU receives the complete vehicle VIN code request;
step two, the audio-visual entertainment host and the T-BOX both automatically generate a common user name and a common password according to the received VIN code message, and the T-BOX takes the automatically generated user name and the password as the user name and the password of the WIFI signal;
and step three, the audio-video entertainment host searches WIFI signals in the surrounding environment, judges whether the user name and the password of the searched WIFI signals are the same as the user name and the password automatically generated by the WIFI signals, automatically connects the audio-video entertainment host with the WIFI signal of the T-BOX through the WIFI connection module if the user name and the password are the same as the user name and the password, and displays that the WIFI signals are not connected if the user name and the password are different from the user name and the password automatically generated by the audio-video entertainment host.
In the third step, the audio-visual entertainment host computer displays that the WIFI signal is not connected and then enters the fourth step:
and step four, manually connecting the audio-video entertainment host with the WIFI signal of the T-BOX, and returning to the step one if the manual connection is unsuccessful.
In the fourth step, the manual WIFI signal connection of the audio-video entertainment host and the T-BOX specifically comprises the following steps: and manually connecting the audio-video entertainment host with WIFI signals related to the user name and the VIN code of the whole vehicle in a WIFI setting interface of the audio-video entertainment host.
After the third step and the fourth step, entering a fifth step when other WIFI or hotspots need to be connected:
and step five, manually connecting the audio-video entertainment host with other WIFI signals or hotspots, and if the audio-video entertainment host is not connected successfully or is disconnected after the manual connection is successful, automatically connecting the audio-video entertainment host with the WIFI signal of the T-BOX.
In the fifth step, the manual connection of the audio-visual entertainment host with other WIFI signals or hotspots specifically comprises the following steps: and manually disconnecting the WIFI signal connection between the video entertainment host and the T-BOX in the WIFI setting interface of the video entertainment host, and connecting the video entertainment host with other WIFI signals or hotspots.
In the first step, the entry conditions of the T-BOX activation and the audio and video entertainment host are as follows: the vehicle is ignited or the vehicle key is turned to the ignition lock ON position.
And in the second step, the user name automatically generated by the audio-visual entertainment host and the T-BOX is the same as the front n bits of the finished vehicle VIN code, and the password automatically generated by the audio-visual entertainment host and the T-BOX is obtained by encrypting the rear n bits of the finished vehicle VIN code.
The VCU of the whole vehicle is connected with the audio-video entertainment host and the T-BOX through the CAN bus.
Compared with the prior art, the invention has the beneficial effects that:
the invention relates to an automatic connection method of an audio-visual entertainment host and a T-BOX network, which comprises the steps that the audio-visual entertainment host and the T-BOX automatically generate a common user name and a common password according to a VIN code message received from a VCU of a whole vehicle, the T-BOX uses the automatically generated user name and the automatically generated password as the user name and the password of a WIFI signal, then the audio-visual entertainment host searches the WIFI signal in the surrounding environment and judges whether the searched user name and the searched password of the WIFI signal are the same as the automatically generated user name and the automatically generated password, if the same, the audio-visual entertainment host is automatically connected with the WIFI signal of the T-BOX through a WIFI connection module, if not, the audio-visual entertainment host displays that the WIFI signal is not connected, the design realizes the identification of the audio-visual entertainment host and the T-BOX network through the common user name and the common password established by the VIN of the whole vehicle, thereby completing the automatic connection of the audio-visual entertainment host and the T-BOX network, compared with the mode of simultaneously assembling the network connection module on the audio-visual entertainment system and the T-BOX to realize the network connection, the audio-visual entertainment system in the design does not need to assemble the network connection module, thereby avoiding the resource waste and saving the production cost. Therefore, the invention saves the production cost and better meets the networking requirement of the video entertainment system.
Drawings
FIG. 1 is a flow chart of the present invention.
FIG. 2 is a schematic view of the present invention.
In the figure, a whole vehicle VCU1, a video entertainment host 2, a WIFI connection module 21, a T-BOX 3 and a network connection module 31.
Detailed Description
The present invention will be further described with reference to the following embodiments.
Referring to fig. 1 and 2, a method for automatically connecting a video entertainment host with a T-BOX network is realized by a network connection device, the network connection device comprises a whole vehicle VCU1, a video entertainment host 2 and a T-BOX 3, the whole vehicle VCU1 is connected with the video entertainment host 2 and the T-BOX 3 through wire harnesses, the T-BOX 3 is connected with an external network through a network connection module 31 arranged on the T-BOX 3, and a WIFI connection module 21 is arranged on the video entertainment host 2;
the method sequentially comprises the following steps:
firstly, activating an audio-visual entertainment host 2 and a T-BOX 3, then sending a complete vehicle VIN code request to a complete vehicle VCU1 by the audio-visual entertainment host 2 and the T-BOX 3, and respectively sending VIN code messages to the audio-visual entertainment host 2 and the T-BOX 3 after the complete vehicle VCU1 receives the complete vehicle VIN code request;
step two, the audio-visual entertainment host 2 and the T-BOX 3 automatically generate a common user name and a common password according to the received VIN code message, and the T-BOX 3 takes the automatically generated user name and the automatically generated password as the user name and the password of the WIFI signal;
step three, the video entertainment host 2 searches for the WIFI signals in the surrounding environment, and judges whether the user name and the password of the searched WIFI signals are the same as the user name and the password automatically generated by the WIFI signals, if so, the video entertainment host 2 is automatically connected with the WIFI signal of the T-BOX 3 through the WIFI connection module 21, and if not, the video entertainment host 2 displays that the WIFI signals are not connected.
In the third step, the audio-visual entertainment host 2 displays that the WIFI signal is not connected and then enters the fourth step:
step four, manually connecting the audio-video entertainment host 2 with the WIFI signal of the T-BOX 3, and returning to the step one if the manual connection is unsuccessful.
In the fourth step, the manual connection of the WIFI signals of the video entertainment host 2 and the T-BOX 3 is specifically: and manually connecting the video entertainment host 2 with WIFI signals related to the user name and the VIN code of the whole vehicle in a WIFI setting interface of the video entertainment host 2.
After the third step and the fourth step, entering a fifth step when other WIFI or hotspots need to be connected:
and step five, manually connecting the video entertainment host 2 with other WIFI signals or hotspots, and if the video entertainment host 2 is not manually connected or is disconnected after the manual connection is successful, automatically connecting the video entertainment host 2 with the WIFI signal of the T-BOX 3.
In the fifth step, the manual connection of the video entertainment host 2 with other WIFI signals or hotspots specifically comprises: and (3) manually disconnecting the WIFI signal connection between the video entertainment host 2 and the T-BOX 3 in the WIFI setting interface of the video entertainment host 2, and connecting the video entertainment host 2 with other WIFI signals or hotspots.
In the first step, the entry conditions of activating the T-BOX 3 and the video entertainment host 2 are as follows: the vehicle is ignited or the vehicle key is turned to the ignition lock ON position.
In the second step, the user name automatically generated by the video entertainment host 2 and the T-BOX 3 is the same as the first n bits of the entire VIN code, and the password automatically generated by the video entertainment host 2 and the T-BOX 3 is obtained by encrypting the last n bits of the entire VIN code.
The whole VCU1 is connected with the video entertainment host 2 and the T-BOX 3 through the CAN bus.
The principle of the invention is illustrated as follows:
the invention relates to an automatic connection method of a video entertainment host and a T-BOX network, which is characterized in that when a video entertainment host 2 displays that a WIFI signal is not connected, the video entertainment host 2 CAN be manually connected with the WIFI signal of the T-BOX 3, if the manual connection is unsuccessful, the video entertainment host 2 and the T-BOX 3 need to be reactivated and then automatically connected, if the video entertainment host 2 and the T-BOX 3 are reactivated and then still connected unsuccessfully, whether faults exist in parts of a whole vehicle or not needs to be checked, the faults CAN be automatically connected after the faults are repaired, and the faults of the parts of the whole vehicle are usually faults of a CAN bus network of the whole vehicle, faults of VIN of the whole vehicle which are not written into a VCU of the whole vehicle, and version numbers of the video entertainment host 2 and the T-BOX 3.
The common user name and the common password are automatically generated according to the finished vehicle VIN code, so that the confidentiality and the uniqueness of the user name and the password are ensured, further, the user name is the same as the front n bits of the finished vehicle VIN code, and the password is obtained by encrypting the rear n bits of the finished vehicle VIN code, so that the WIFI signal of the finished vehicle T-BOX can not be stolen.
Example 1:
referring to fig. 1 and 2, a method for automatically connecting a video entertainment host with a T-BOX network is realized by a network connection device, the network connection device comprises a whole vehicle VCU1, a video entertainment host 2 and a T-BOX 3, the whole vehicle VCU1 is connected with the video entertainment host 2 and the T-BOX 3 through a CAN bus, the T-BOX 3 is connected with an external network through a network connection module 31 arranged on the T-BOX 3, and the video entertainment host 2 is provided with a WIFI connection module 21;
the method comprises the following steps in sequence:
firstly, a vehicle is ignited or a vehicle key is turned into an ignition lock ON gear, at the moment, an audio-visual entertainment host 2 and a T-BOX 3 are activated, then the audio-visual entertainment host 2 and the T-BOX 3 both send a complete vehicle VIN code request to a complete vehicle VCU1, and the complete vehicle VCU1 respectively sends VIN code messages to the audio-visual entertainment host 2 and the T-BOX 3 after receiving the complete vehicle VIN code request;
step two, the audio-visual entertainment host 2 and the T-BOX 3 automatically generate a common user name and a common password according to the received VIN code message, and the T-BOX 3 takes the automatically generated user name and the automatically generated password as the user name and the password of the WIFI signal;
the user name is the same as the first n bits of the finished vehicle VIN code, and the password is obtained by encrypting the last n bits of the finished vehicle VIN code.
Step three, the video entertainment host 2 searches for the WIFI signals in the surrounding environment, and judges whether the user name and the password of the searched WIFI signals are the same as the user name and the password automatically generated by the WIFI signals, if so, the video entertainment host 2 is automatically connected with the WIFI signal of the T-BOX 3 through the WIFI connection module 21, and if not, the video entertainment host 2 displays that the WIFI signals are not connected.
Example 2:
the difference from example 1 is that:
in the third step, the audio-visual entertainment host 2 displays that the WIFI signal is not connected and then enters the fourth step:
step four, manually connecting the video entertainment host 2 with WIFI signals related to the user name and the VIN code of the whole vehicle in a WIFI setting interface of the video entertainment host 2, and returning to the step one if the manual connection is unsuccessful.
Example 3:
the difference from example 1 is that:
in the third step, the audio-visual entertainment host 2 displays that the WIFI signal is not connected and then enters the fourth step:
step four, manually connecting the audio-visual entertainment host 2 with WIFI signals related to the user name and the VIN code of the whole vehicle in a WIFI setting interface of the audio-visual entertainment host 2, and returning to the step one if the manual connection is unsuccessful;
after the third step and the fourth step, entering a fifth step when other WIFI or hotspots need to be connected:
and step five, manually disconnecting the WIFI signal connection between the video entertainment host 2 and the T-BOX 3 in the WIFI setting interface of the video entertainment host 2, and if the video entertainment host 2 is disconnected with other WIFI signals or hot spots after the manual connection is unsuccessful or the manual connection is successful, automatically connecting the video entertainment host 2 with the WIFI signal of the T-BOX 3.
Claims (8)
1. A method for automatically connecting a video entertainment host and a T-BOX network is characterized in that:
the method is realized by a network connection device, the network connection device comprises a whole vehicle VCU (1), a video entertainment host (2) and a T-BOX (3), the whole vehicle VCU (1) is connected with the video entertainment host (2) and the T-BOX (3) through a wire harness, the T-BOX (3) is connected with an external network through a network connection module (31) arranged on the T-BOX, and the video entertainment host (2) is provided with a WIFI connection module (21);
the method sequentially comprises the following steps:
firstly, activating a video entertainment host (2) and a T-BOX (3), then sending a complete vehicle VIN code request to a complete vehicle VCU (1) by the video entertainment host (2) and the T-BOX (3), and respectively sending VIN code messages to the video entertainment host (2) and the T-BOX (3) after the complete vehicle VCU (1) receives the complete vehicle VIN code request;
step two, the audio-visual entertainment host (2) and the T-BOX (3) automatically generate a common user name and a common password according to the received VIN code message, and the T-BOX (3) takes the automatically generated user name and the automatically generated password as the user name and the password of the WIFI signal;
and step three, the audio-video entertainment host (2) searches for WIFI signals in the surrounding environment, judges whether the user name and the password of the searched WIFI signals are the same as the user name and the password which are automatically generated by the audio-video entertainment host, automatically connects the audio-video entertainment host (2) with the WIFI signal of the T-BOX (3) through the WIFI connection module (21) if the user name and the password are the same, and displays that the WIFI signals are not connected through the audio-video entertainment host (2) if the user name and the password are not the same.
2. The method of claim 1, wherein the method comprises the steps of:
in the third step, the audio-visual entertainment host (2) displays that the WIFI signal is not connected and then enters the fourth step:
step four, the audio-visual entertainment host (2) is connected with the WIFI signal of the T-BOX (3) manually, and if the manual connection is unsuccessful, the step one is returned.
3. The method of claim 2, wherein the method comprises the steps of:
in the fourth step, the manual connection of the audio-video entertainment host (2) and the WIFI signal of the T-BOX (3) specifically comprises the following steps: and manually connecting the video entertainment host (2) with WIFI signals related to the user name and the finished vehicle VIN code in a WIFI setting interface of the video entertainment host (2).
4. The method of claim 2 or 3, wherein the method comprises the following steps:
after the third step and the fourth step, entering a fifth step when other WIFI or hotspots need to be connected:
and step five, manually connecting the video entertainment host (2) with other WIFI signals or hotspots, and if the video entertainment host (2) is not manually connected or is disconnected after the manual connection is successful, automatically connecting the video entertainment host (2) with the WIFI signals of the T-BOX (3).
5. The method of claim 4, wherein the method comprises the steps of:
in the fifth step, the manual connection of the audio-visual entertainment host (2) with other WIFI signals or hotspots specifically comprises the following steps: and (3) manually disconnecting the WIFI signal connection between the video entertainment host (2) and the T-BOX (3) in the WIFI setting interface of the video entertainment host (2), and connecting the video entertainment host (2) with other WIFI signals or hotspots.
6. The method of any of claims 1-3, wherein the method comprises the steps of:
in the first step, the entry conditions of the T-BOX (3) and the video entertainment host (2) are as follows: the vehicle has been ignited or the vehicle key is turned to the ignition lock ON position.
7. A method for automatically connecting a video entertainment host to a T-BOX network according to any one of claims 1 to 3, wherein:
and in the second step, the user name automatically generated by the video entertainment host (2) and the T-BOX (3) is the same as the front n bits of the complete vehicle VIN code, and the password automatically generated by the video entertainment host (2) and the T-BOX (3) is obtained by encrypting the rear n bits of the complete vehicle VIN code.
8. The method of any of claims 1-3, wherein the method comprises the steps of:
the VCU (1) of the whole vehicle is connected with the audio-video entertainment host (2) and the T-BOX (3) through a CAN bus.
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