CN213028560U - Acoustic wave interconnection system - Google Patents
Acoustic wave interconnection system Download PDFInfo
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- CN213028560U CN213028560U CN202022370353.4U CN202022370353U CN213028560U CN 213028560 U CN213028560 U CN 213028560U CN 202022370353 U CN202022370353 U CN 202022370353U CN 213028560 U CN213028560 U CN 213028560U
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Abstract
The utility model discloses a the utility model relates to a sound wave interconnected system, including mobile terminal and vehicle mounted terminal, mobile terminal includes: the touch screen is used for setting interconnection information; the first processor is connected with the touch screen and compiles the interconnection information into audio control information; the loudspeaker is connected with the first processor, receives the audio control information sent by the first processor and sends out audio; the mobile terminal interconnection module is connected with the first processor; the vehicle-mounted terminal includes: the vehicle-mounted microphone is used for collecting audio emitted by the loudspeaker; the second processor is connected with the vehicle-mounted microphone, receives the audio collected by the vehicle-mounted microphone and decodes the audio into interconnection information; and the vehicle-mounted interconnection module receives the interconnection information output by the second processor and establishes an interconnection channel with the mobile terminal interconnection module according to the interconnection information. The utility model is simple in operation, user experience feels good.
Description
Technical Field
The utility model relates to a car networking field specifically indicates a sound wave interconnected system.
Background
With the development of the internet of vehicles industry, mobile phone interconnection is becoming a low-cost and efficient solution for internet of vehicles, wherein the scheme of mobile phone screen mapping is most widely applied. The screen mapping refers to a technology of projecting the screen content of the mobile phone to a vehicle-mounted navigator screen so as to display the functions running on the mobile phone screen on the vehicle-mounted navigator screen. The functions frequently used in the vehicle-mounted environment such as navigation, music and the like can be displayed in the vehicle-mounted navigator, so that the characteristics of large screen and good sound effect of the vehicle-mounted navigator are effectively utilized, and the advantages of strong mobile phone performance, high software updating speed and the like are combined.
The current interconnection mode in the market is as follows: the user manually opens the mobile phone hotspot, manually clicks on the vehicle to search for the selected hotspot, inputs the password and establishes connection. The operation is complicated, and the user experience is not good.
Disclosure of Invention
The utility model aims at providing an easy operation, sound wave interconnected system that user experience feels.
For realizing this purpose, the utility model relates to a sound wave interconnected system, including mobile terminal and vehicle mounted terminal, mobile terminal includes: the touch screen is used for setting interconnection information; the first processor is connected with the touch screen and compiles the interconnection information into audio control information; the loudspeaker is connected with the first processor, receives the audio control information sent by the first processor and sends out audio; the mobile terminal interconnection module is connected with the first processor; the vehicle-mounted terminal includes: the vehicle-mounted microphone is used for collecting audio emitted by the loudspeaker; the second processor is connected with the vehicle-mounted microphone, receives the audio collected by the vehicle-mounted microphone and decodes the audio into interconnection information; and the vehicle-mounted interconnection module receives the interconnection information output by the second processor and establishes an interconnection channel with the mobile terminal interconnection module according to the interconnection information.
Further, the audio output frequency of the loudspeaker is more than 20 KHz.
Further, the interconnection information is WIFI interconnection information, and the interconnection channel is a WIFI interconnection channel.
Further, the WIFI interconnection information includes: SSID information, wireless authentication mode, wireless authentication user name and password.
Further, before the first processor compiles the interconnection information into the audio control information, encrypting the interconnection information; and the second processor decrypts the audio after receiving the audio collected by the vehicle-mounted microphone.
The utility model discloses a mobile terminal is broadcast interconnection information with the audio frequency mode, and mobile terminal gathers the audio frequency to decode into interconnection information with the audio frequency, vehicle mounted terminal establishes the interconnection passageway according to interconnection information and mobile terminal, easy operation, and user experience is good.
Drawings
FIG. 1 is a schematic diagram of the acoustic interconnection system of the present invention,
fig. 2 is a flowchart illustrating the operation of the sound wave interconnection system of the present invention.
Detailed Description
The utility model relates to a sound wave interconnection system broadcasts interconnection information with the audio frequency mode through mobile terminal, and mobile terminal gathers the audio frequency to decode into interconnection information with the audio frequency, vehicle mounted terminal establishes the interconnection passageway according to interconnection information and mobile terminal, easy operation, and user experience is good. The invention is described in further detail below with reference to the following figures and specific examples:
as shown in fig. 1, the present system includes a mobile terminal 10 and a vehicle-mounted terminal 20. The mobile terminal is a smart phone.
A mobile terminal 10, comprising:
and the touch screen 11 is used for setting interconnection information. The interconnection information includes: SSID information, wireless authentication mode, wireless authentication user name and password;
the first processor 12 is connected with the touch screen 11 and compiles the interconnection information into audio control information;
the loudspeaker 13 is connected with the first processor 12, and the loudspeaker 13 receives the audio control information sent by the first processor 12 and sends out audio;
and the mobile terminal interconnection module 14 is connected with the first processor 12.
The in-vehicle terminal 20 includes:
the vehicle-mounted microphone 21 is used for collecting audio emitted by the loudspeaker 13;
the second processor 22 is connected with the vehicle-mounted microphone 21, and the second processor 22 receives the audio collected by the vehicle-mounted microphone 21 and decodes the audio into interconnection information;
and the vehicle-mounted interconnection module 23 receives the interconnection information output by the second processor 22, and establishes an interconnection channel with the mobile terminal interconnection module 14 according to the WIFI interconnection information.
Specifically, a WIFI connection mode is adopted between the vehicle-mounted terminal 20 and the mobile terminal 10, the interconnection information is WIFI interconnection information, and the interconnection channel is a WIFI interconnection channel.
Further, in order to avoid the interference of environmental noise, the audio output frequency of the speaker 13 is transmitted in an ultrasonic band (frequency greater than 20 KHz), which is not heard by human ears, and most of the machine noise is not in this range.
Meanwhile, in order to ensure the security of WIFI interconnection, the first processor 12 encrypts the WIFI interconnection information before compiling the WIFI interconnection information into the audio control information. Correspondingly, the second processor 22 decrypts the audio after receiving the audio collected by the vehicle microphone 21.
Referring to fig. 2, the work flow of the present invention includes the following steps:
and S10, the mobile terminal establishes a WIFI hotspot, sets interconnection information and broadcasts the interconnection information in a ciphertext mode through audio.
The user opens the WIFI hotspot through touch screen operation at the mobile terminal, sets up interconnection information, and the interconnection information includes: SSID information, wireless authentication mode, wireless authentication user name and password.
S20 the vehicle microphone collects the audio data, the vehicle software detects and identifies the audio data, and translates the audio data into the interconnection information.
And S30, the vehicle-mounted terminal is connected with the WIFI hotspot of the mobile terminal according to the interconnection information.
S40 establishes an interconnect channel.
In order to ensure the security of WIFI interconnection, the method further includes an encryption and decryption step, specifically:
step S0 is included between step S10: establishing a codebook
The bands of different frequencies correspond to different numbers. For example: a sine wave of 1500HZ corresponds to a number 1, a sine wave of 1600HZ corresponds to a number 2, and a sine wave of 1700HZ corresponds to a number 3. Then the string 3123 corresponds to 4 segments of a sine wave, each segment being specified to last 100 ms.
The step S10 includes encrypting interconnection information; the step S20 includes decrypting the audio according to the established codebook content.
The utility model discloses sound wave interconnected system, loudspeaker through mobile terminal 10 broadcast interconnection information with the audio frequency mode, and mobile terminal 20's on-vehicle microphone 21 gathers the audio frequency, and second treater 22 decodes the audio frequency into interconnection information, and on-vehicle interconnection module 23 establishes the interconnection passageway according to interconnection information and mobile terminal interconnection module 14, easy operation, and user experience is good. The vehicle-mounted terminal accesses the Internet through the mobile terminal hotspot, the data traffic of the mobile terminal is fully shared, and the vehicle-mounted terminal does not need to be additionally provided with a traffic card.
Claims (5)
1. An acoustic wave interconnection system comprising a mobile terminal (10) and a vehicle-mounted terminal (20), wherein the mobile terminal (10) comprises:
a touch screen (11) for setting interconnection information;
the first processor (12) is connected with the touch screen (11), and the first processor (12) compiles the interconnection information into audio control information;
the loudspeaker (13) is connected with the first processor (12), and the loudspeaker (13) receives the audio control information sent by the first processor (12) and sends out audio;
the mobile terminal interconnection module (14) is connected with the first processor (12);
the in-vehicle terminal (20) includes:
the vehicle-mounted microphone (21) is used for collecting audio emitted by the loudspeaker (13);
the second processor (22) is connected with the vehicle-mounted microphone (21), and the second processor (22) receives the audio collected by the vehicle-mounted microphone (21) and decodes the audio into interconnection information;
and the vehicle-mounted interconnection module (23) receives the interconnection information output by the second processor (22) and establishes an interconnection channel with the mobile terminal interconnection module (14) according to the interconnection information.
2. The acoustic interconnect system of claim 1, wherein the horn (13) has an audio output frequency greater than 20 KHz.
3. The acoustic interconnection system of claim 1, wherein the interconnection information is WIFI interconnection information, and the interconnection channel is a WIFI interconnection channel.
4. The acoustic interconnect system of claim 3, wherein the WIFI interconnect information comprises: SSID information, wireless authentication mode, wireless authentication user name and password.
5. A sound interconnection system according to claim 1, wherein the first processor (12) encrypts the interconnection information before compiling the interconnection information into audio control information; the second processor (22) receives the audio collected by the vehicle microphone (21) and then decrypts the audio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022370353.4U CN213028560U (en) | 2020-10-22 | 2020-10-22 | Acoustic wave interconnection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022370353.4U CN213028560U (en) | 2020-10-22 | 2020-10-22 | Acoustic wave interconnection system |
Publications (1)
| Publication Number | Publication Date |
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| CN213028560U true CN213028560U (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022370353.4U Active CN213028560U (en) | 2020-10-22 | 2020-10-22 | Acoustic wave interconnection system |
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| CN (1) | CN213028560U (en) |
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- 2020-10-22 CN CN202022370353.4U patent/CN213028560U/en active Active
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