CN214125339U - Screen device is thrown to on-vehicle cell-phone - Google Patents
Screen device is thrown to on-vehicle cell-phone Download PDFInfo
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- CN214125339U CN214125339U CN202023094274.1U CN202023094274U CN214125339U CN 214125339 U CN214125339 U CN 214125339U CN 202023094274 U CN202023094274 U CN 202023094274U CN 214125339 U CN214125339 U CN 214125339U
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Abstract
The utility model discloses a screen device is thrown to on-vehicle cell-phone. The device comprises: the system comprises a mobile phone processor, a mobile phone touch screen, a mobile phone NFC module and a mobile phone WIFI module which are connected with the mobile phone processor, a vehicle display screen, a vehicle NFC module and a vehicle WIFI module which are connected with the vehicle processor; the mobile phone NFC module is used for receiving the WIFI interconnection information coded by the mobile phone processor and sending the WIFI interconnection information to the vehicle NFC module; the vehicle NFC module is used for receiving the encoded WIFI interconnection information sent by the mobile phone NFC module, sending the encoded WIFI interconnection information to the vehicle processor, and decoding the WIFI interconnection information by the vehicle processor to obtain WIFI interconnection information; and the mobile phone WIFI module and the vehicle WIFI module are used for transmitting screen projection data information. The utility model discloses utilize NFC module transmission interconnection information, simplified the interconnection operation of cell-phone and car machine.
Description
Technical Field
The utility model belongs to the technical field of automobile communication, concretely relates to screen device is thrown to on-vehicle cell-phone based on NFC module conveying interconnection information.
Background
At present, with the development of the car networking technology, the intellectualization of the car has become a main direction of the development. The mobile phone interconnection technology is a low-cost car networking application scheme, and the scheme of projecting a screen to a car machine by a mobile phone is most widely applied. The mobile phone screen projection technology is a technology for projecting screen contents of a mobile phone to a vehicle-mounted device to realize application of common functions on a mobile phone screen to a vehicle-mounted navigation screen. The control function of the mobile phone can be utilized, and the large screen of the vehicle navigation and the sound effect capability of the vehicle sound can be fully utilized.
The existing connection method for projecting a screen to a vehicle by a mobile phone comprises the following steps: and manually starting the mobile phone hotspot by a user, manually clicking on the vehicle to search the mobile phone hotspot, and establishing connection between the vehicle and the mobile phone after inputting the password. The disadvantage of this screen projection connection method is that the operation is relatively cumbersome.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned problem that exists among the prior art, the utility model provides a screen device is thrown to on-vehicle cell-phone based on NFC module conveying interconnection information.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a screen projection device for a vehicle-mounted mobile phone comprises: the system comprises a mobile phone processor, a mobile phone touch screen, a mobile phone NFC module and a mobile phone WIFI module which are connected with the mobile phone processor, a vehicle display screen, a vehicle NFC module and a vehicle WIFI module which are connected with the vehicle processor; the mobile phone NFC module is used for receiving the WIFI interconnection information coded by the mobile phone processor and sending the WIFI interconnection information to the vehicle NFC module; the vehicle NFC module is used for receiving the encoded WIFI interconnection information sent by the mobile phone NFC module, sending the encoded WIFI interconnection information to the vehicle processor, and decoding the WIFI interconnection information by the vehicle processor to obtain WIFI interconnection information; and the mobile phone WIFI module and the vehicle WIFI module are used for transmitting screen projection data information.
Furthermore, the device also comprises sound equipment connected with the processor of the vehicle machine.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses utilize the cell-phone NFC module of cell-phone from the area to with the car machine from the car machine NFC module conveying WIFI interconnection information of taking to establish cell-phone WIFI and car machine WIFI's interconnection, need not to increase hardware module, need not the cell-phone input alright realize by the cell-phone to throwing of car machine the screen, under the condition that does not increase hardware cost, simplified the operation of being connected of cell-phone and car machine greatly.
Drawings
Fig. 1 is a block diagram of a screen projecting device of a mobile phone.
In the figure: the system comprises 11-a mobile phone processor, 12-a mobile phone touch screen, 13-a mobile phone NFC module, 14-a mobile phone WIFI module, 21-a car processor, 22-a car display screen, 23-a car NFC module, 24-a car WIFI module and 25-sound equipment.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The embodiment of the utility model provides a screen device is thrown to on-vehicle cell-phone, as shown in figure 1, the device includes: the system comprises a mobile phone processor 11, a mobile phone touch screen 12, a mobile phone NFC module 13 and a mobile phone WIFI module 14 which are connected with the mobile phone processor 11, an in-vehicle processor 21, an in-vehicle display screen 22, an in-vehicle NFC module 23 and an in-vehicle WIFI module 24 which are connected with the in-vehicle processor 21; the mobile phone NFC module 13 is used for receiving the WIFI interconnection information coded by the mobile phone processor 11 and sending the WIFI interconnection information to the vehicle NFC module 23; the vehicle-mounted NFC module 23 is used for receiving the encoded WIFI interconnection information sent by the mobile phone NFC module 13, sending the encoded WIFI interconnection information to the vehicle-mounted processor 21, and decoding the WIFI interconnection information by the vehicle-mounted processor 21 to obtain WIFI interconnection information; the mobile phone WIFI module 14 and the car WIFI module 24 are used for transmitting screen projection data information.
In this embodiment, all hardware modules of the device are existing hardware modules respectively arranged inside the mobile phone and the car machine, and are respectively a mobile phone processor 11, a mobile phone touch screen 12, a mobile phone NFC module 13 and a mobile phone WIFI module 14 arranged inside the mobile phone, and a car machine processor 21, a car machine display screen 22, a car machine NFC module 23 and a car machine WIFI module 24 arranged inside the car machine. As shown in fig. 1. The device is used for carrying (projecting) the picture on the small mobile phone touch screen 12 to the large car machine display screen 22 so as to facilitate the operation and the watching of a user. The mobile phone WIFI module 14 and the car machine WIFI module 24 are used for data communication between a mobile phone and a car machine, namely, after the mobile phone is connected with the car machine, the mobile phone WIFI module 14 transmits screen-throwing data information to the car machine WIFI module 24, so that screen throwing from the mobile phone to the car machine is realized. The existing method for establishing the connection between the mobile phone and the vehicle-mounted device needs a user to manually open a mobile phone hotspot, manually click and search the mobile phone hotspot on the vehicle-mounted device, and then input a password, so that the connection between the vehicle-mounted device and the mobile phone can be established. Obviously, the existing connection method is relatively complicated to operate. Therefore, in the embodiment, the information required for establishing the connection, i.e., the transmission of the interconnection information, is automatically realized under the software control by using the NFC module on the mobile phone and the NFC module on the vehicle, so that the connection operation can be greatly simplified. The interconnection information generally includes SSID information, wireless authentication method, wireless authentication user name and password. The specific method comprises the following steps: firstly, the mobile phone processor 11 encodes the interconnection information and sends the interconnection information to the mobile phone NFC module 13, and then the mobile phone NFC module 13 sends the encoded interconnection information (transmitted in the form of an NFC radiation field) to the vehicle NFC module 23 in a wireless manner; the vehicle-mounted NFC module 23 receives the encoded interconnection information and sends the encoded interconnection information to the vehicle-mounted processor 21, and finally the vehicle-mounted processor 21 decodes the encoded interconnection information and completes connection after authentication is successful. In order to improve the security of information transmission, the mobile phone processor 11 may encrypt the interconnection information, and the in-vehicle processor 21 decrypts the interconnection information to obtain the interconnection information.
As an alternative embodiment, the apparatus further comprises an audio device 25 connected to the processor 21 of the vehicle.
The present embodiment also includes an audio device 25 connected to the in-vehicle processor 21. The sound data from the on-board processor 21 is received by the on-board acoustic equipment 25, and the sound can be played after the screen is projected.
The above description is only for the description of several embodiments of the present invention, but the scope of the present invention should not be considered as the protection scope of the present invention, in which all the equivalent changes or modifications or the equal-scale enlargement or reduction etc. made according to the design spirit of the present invention should be considered as falling into the protection scope of the present invention.
Claims (2)
1. The utility model provides a screen device is thrown to on-vehicle cell-phone which characterized in that includes: the system comprises a mobile phone processor (11), a mobile phone touch screen (12), a mobile phone NFC module (13) and a mobile phone WIFI module (14) which are connected with the mobile phone processor (11), a car machine processor (21), a car machine display screen (22), a car machine NFC module (23) and a car machine WIFI module (24) which are connected with the car machine processor (21); the mobile phone NFC module (13) is used for receiving the WIFI interconnection information coded by the mobile phone processor (11) and sending the WIFI interconnection information to the vehicle NFC module (23); the vehicle NFC module (23) is used for receiving the encoded WIFI interconnection information sent by the mobile phone NFC module (13), sending the encoded WIFI interconnection information to the vehicle processor (21), and decoding the WIFI interconnection information by the vehicle processor (21) to obtain WIFI interconnection information; and the mobile phone WIFI module (14) and the vehicle WIFI module (24) are used for transmitting screen projection data information.
2. A vehicle-mounted mobile phone screen projection device according to claim 1, wherein the device further comprises an audio device (25) connected to the vehicle processor (21).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202023094274.1U CN214125339U (en) | 2020-12-21 | 2020-12-21 | Screen device is thrown to on-vehicle cell-phone |
Applications Claiming Priority (1)
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CN202023094274.1U CN214125339U (en) | 2020-12-21 | 2020-12-21 | Screen device is thrown to on-vehicle cell-phone |
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CN214125339U true CN214125339U (en) | 2021-09-03 |
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