CN110381216B - Mobile phone charging data line with awakening function - Google Patents

Mobile phone charging data line with awakening function Download PDF

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Publication number
CN110381216B
CN110381216B CN201910701471.8A CN201910701471A CN110381216B CN 110381216 B CN110381216 B CN 110381216B CN 201910701471 A CN201910701471 A CN 201910701471A CN 110381216 B CN110381216 B CN 110381216B
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mobile phone
module
voice
data line
wake
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CN110381216A (en
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高凯
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Shenzhen Little Devil Information Technology Co ltd
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Shenzhen Little Devil Information Technology Co ltd
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00—Speech recognition
    • G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
    • H01R13/6691—Structural association with built-in electrical component with built-in electronic circuit with built-in signalling means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/717—Structural association with built-in electrical component with built-in light source
    • H01R13/7175—Light emitting diodes (LEDs)
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R27/00—Coupling parts adapted for co-operation with two or more dissimilar counterparts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00—Coupling parts supported only by co-operation with counterpart
    • H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
    • H01R31/065—Intermediate parts for linking two coupling parts, e.g. adapter with built-in electric apparatus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
    • H04M1/72412—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories using two-way short-range wireless interfaces
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/72442—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality for playing music files
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00—Speech recognition
    • G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
    • G10L2015/223—Execution procedure of a spoken command
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/16—Connectors or connections adapted for particular applications for telephony
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/02—Details of telephonic subscriber devices including a Bluetooth interface
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/22—Details of telephonic subscriber devices including a touch pad, a touch sensor or a touch detector
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/74—Details of telephonic subscriber devices with voice recognition means

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Telephone Function (AREA)

Abstract

The invention relates to a mobile phone charging data line with a wake-up function and a wake-up method thereof, which comprise a first connector end, a second connector end and a cable for connecting the first connector end and the second connector end, wherein the characteristic that a Bluetooth module can perform information interaction when a smart phone is in a screen locking state is utilized, a gesture triggers the data line to send a wake-up signal to the smart phone through the Bluetooth module, a voice data acquisition end is switched from a mobile phone MIC with poor pick-up effect to a high-sensitivity MIC module of the data line, the APP with a voice recognition function is woken to start a voice assistant or a voice navigation function, all voice playing contents are interacted to vehicle-mounted equipment through an FM module of the data line, the voice playing is realized by utilizing the peripheral or built-in sound box of the vehicle-mounted equipment, the safety problem of user driving is considered, and the user experience is greatly improved.

Description

Mobile phone charging data line with awakening function
Technical Field
The invention relates to a mobile phone charging data line with a wake-up function and a wake-up method thereof.
Background
At present, the hardware performance of the smart phone is developed at a high speed, various APP which can be loaded on the smart phone are designed in a large number and applied to the daily life of people, and the application scene of the smart phone is greatly promoted and expanded. The intelligent mobile phone is connected with the vehicle-mounted terminal through Bluetooth, and can provide functions of vehicle navigation, vehicle-mounted sound playing, bluetooth headset call receiving and the like for a driver. Due to the increasing maturity of voice recognition technology, in order to solve the problem of safe driving of users in driving, it is a trend to control smart phones through voice recognition technology. The intelligent mobile phone can be put out of the screen at preset time and enter a screen locking mode, the intelligent mobile phone is not picked up in the screen locking mode, the APP with the voice recognition function cannot be used, the intelligent mobile phone can enter the working mode only through various triggering modes, and hidden danger can be brought to safe driving of a driver.
Disclosure of Invention
The invention aims to provide a mobile phone charging data line with a wake-up function and a wake-up method thereof, so that an APP with a voice recognition function of a smart phone can still be in a working mode in a screen locking state.
The invention relates to a mobile phone charging data line with a wake-up function, which comprises a first connector end, a second connector end and a cable for connecting the first connector end and the second connector end; wherein:
the first joint end comprises a USB interface, a USB expansion interface, an MP3 reading module, a Bluetooth module, an FM module, an LED indicator lamp module and an MCU, wherein one end of the MP3 reading module is connected with the USB expansion interface, and the other end is connected with the MCU;
the second connector end comprises a connector which is matched with a charging interface of the smart phone, a high-sensitivity MIC module and a light sensing module;
The USB interface of the first connector end is connected with the connector of the second connector end through an electric wire in the cable, and the USB interface supplies power to the smart phone through the connector after power is taken;
the MCU is respectively connected with the MP3 reading module, the Bluetooth module, the MIC module, the LED indicator lamp module, the light sensing module and the FM module through signal wires;
The USB expansion interface is used for connecting the output end of the MP3 audio file storage medium, reading the MP3 audio file from the storage medium, decoding by the MP3 reading module, performing MCU digital-to-analog conversion, transmitting to the FM radio of the vehicle-mounted terminal by the FM module, and then transmitting to the vehicle-mounted sound for playing;
If the light sensing module senses the gesture of a user and judges that the gesture meets a preset triggering condition, a signal is sent to the MCU, the MCU is triggered to transmit a preset wake-up signal to a mobile phone APP with a voice recognition function through Bluetooth, after the mobile phone APP receives the wake-up signal, a voice data acquisition end is switched from a mobile phone MIC to a MIC module of a data line, and the MIC module of the data line acquires audio data spoken by the user to the MCU in real time and interacts with the Bluetooth module of the mobile phone through the Bluetooth module;
The mobile phone terminal receives the user voice data uploaded by the data line MIC module through the Bluetooth module, transmits the user voice data to the APP with the voice recognition function to start a voice assistant or a navigation function, filters the audio data, extracts voice to recognize, and uses the recognized voice data in the voice assistant or the voice navigation of the APP.
The light sensing module adopts an infrared ranging sensing module or a human body infrared sensing module.
The invention discloses a wake-up method of a mobile phone charging data line with a wake-up function, which comprises the following steps:
step 1, entering a vehicle, and successfully pairing a Bluetooth module of a mobile phone of a user with a Bluetooth module of a mobile phone charging data line to enable the mobile phone and the mobile phone charging data line to be in a communicable state;
Step 2, if the mobile phone end is in a screen locking and screen blacking state, entering a gesture wake-up mode or a voice wake-up mode:
Step 21, gesture wake mode
The method comprises the steps that when a user approaches a light sensing module of a data line by hands, the light sensing module senses gestures of the user and judges that preset triggering conditions are met, signals are sent to an MCU, the MCU is triggered to transmit preset wake-up signals to a mobile phone APP with a voice recognition function through Bluetooth, and step 3 is performed;
Step 22, voice wakeup mode
The mobile phone MIC collects voice data and sends the voice data to the mobile phone wake-up word recognition module, if the wake-up word is detected, a wake-up signal is sent to the mobile phone APP, and the step 3 is shifted;
step 3, after the mobile phone APP receives the wake-up signal, switching the voice data acquisition end from the mobile phone MIC to the MIC module of the data line, and acquiring audio data spoken by a user to the MCU in real time by the MIC module of the data line and interacting with the Bluetooth module of the mobile phone through the Bluetooth module;
Step 4, the mobile phone terminal transmits the user voice data which is received and uploaded by the data line MIC module through the Bluetooth module to the mobile phone APP with the voice recognition function to start a voice assistant or a navigation function, filters the audio data, extracts voice to recognize, and uses the recognized voice data in the voice assistant or the voice navigation of the mobile phone APP, and then the step 5 is performed;
step 5, the mobile phone APP with the voice recognition function comprises the following steps in a voice assistant or voice navigation:
If the mobile phone APP with the voice recognition function recognizes an instruction for playing music, selecting corresponding music data from a mobile phone music library or a storage medium connected with a USB expansion interface according to the instruction, and if the music data come from the mobile phone music library, decoding a digital signal through a music playing module of the mobile phone, and transmitting the digital signal to an MCU of a data line through a Bluetooth module of the mobile phone and the data line; if the music data come from a storage medium connected with the USB expansion interface, sending the music data to the MCU through the MP3 reading module;
If the mobile phone APP with the voice recognition function transmits the audio data to the MCU of the data line through the Bluetooth module of the mobile phone and the data line;
The MCU of the data line converts the decoded digital signal into an analog signal through D/A conversion, transmits the analog signal to the FM radio of the vehicle-mounted terminal through the FM module, and then transmits the analog signal to the vehicle-mounted device to play music or sound through the external or built-in sound box of the vehicle-mounted device.
After the technical scheme of the invention is adopted, a user senses gestures through a light sensing module on a mobile phone charging data line, a preset wake-up signal is triggered to be transmitted to a mobile phone APP with a voice recognition function through Bluetooth by an MCU, after the mobile phone APP receives the wake-up signal, a voice data acquisition end is switched from a mobile phone MIC to a MIC module of the data line, and the MIC module of the data line acquires audio data spoken by the user to the MCU in real time and interacts with the Bluetooth module of the mobile phone through the Bluetooth module; the mobile phone terminal collects the uploaded user voice data received by the data line MIC module through the Bluetooth module, transmits the user voice data to the APP with the voice recognition function to start a voice assistant or a navigation function, filters the audio data, extracts voice to recognize, uses the recognized voice data in the voice assistant or the voice navigation of the APP, and achieves the awakening function of the mobile phone APP.
According to the invention, by utilizing the characteristic that the Bluetooth module of the smart phone can perform information interaction in the screen locking state, the gesture triggers the data line to send a wake-up signal to the smart phone through the Bluetooth module, the voice data acquisition end is switched from the mobile phone MIC with poor pickup effect to the high-sensitivity MIC module of the data line, the APP with the voice recognition function is woken to start a voice assistant or a voice navigation function, at the moment, the smart phone is in the screen locking state all the time, which means that a user does not need to lighten a screen, the mobile phone APP in the screen locking state can still be in a working mode, all sound (music) play contents are interacted to vehicle-mounted equipment through the FM module of the data line, the sound playing is realized by utilizing the peripheral equipment or the built-in sound box of the vehicle-mounted equipment, the safety problem of driving of the user is considered, and the user experience is greatly improved.
Drawings
FIG. 1 is a diagram of a mobile phone charging data line with wake-up function according to the present invention;
FIG. 2 is a schematic diagram of a portion of a mobile phone charging data line with wake-up function according to the present invention;
FIG. 3 is a functional block diagram of a mobile phone charging data line with wake-up function according to the present invention;
fig. 4 is a flowchart of the mobile phone charging data line charging, music playing and waking up APP according to the present invention.
The invention is described in further detail below with reference to the drawings and detailed description.
Detailed Description
As shown in fig. 1-3, the mobile phone charging data line with wake-up function of the present invention includes a first connector end 1, a second connector end 2, and a cable 3 connecting the first connector end 1 and the second connector end 2;
The first connector end 1 comprises a USB interface 11, a USB expansion interface 12, an MP3 reading module 13, a Bluetooth module 14, an FM module 23, an LED indicator lamp module and an MCU22, wherein one end of the MP3 reading module 13 is connected with the USB expansion interface 12, and the other end is connected with the MCU22;
The second connector end 2 comprises a connector 21 adapted to the charging interface of the smart phone, a high-sensitivity MIC module 24 and a light sensing module 25;
The USB interface 11 of the first connector end 1 is connected with the connector 21 of the second connector end 2 through the electric wire in the cable 3, and the USB interface 11 supplies power to the smart phone through the connector 21 after power is taken;
In this embodiment, the MCU22 integrated with the MP3 reading module 13 and the bluetooth module 14 may be adopted, or three independent functional modules are adopted, where the MCU22 may be disposed at the first connector end 1 or the second connector end 2 according to design requirements, so that the MCU22 is not affected, and the MP3 reading module 13, the bluetooth module 14, the MIC module 24, the light sensing module 25, the LED indicator module and the FM module 23 are connected through signal lines respectively;
The USB expansion interface 12 is used to connect with the output end of the MP3 audio file storage medium, reads the MP3 audio file from the storage medium, decodes the audio file through the MP3 reading module 13, digital-to-analog converts the audio file through the MCU22, transmits the audio file to the FM radio of the vehicle-mounted terminal through the FM module 23, and then transmits the audio file to the vehicle-mounted audio for playing;
Above-mentioned LED pilot lamp module 26 can adopt other colour LED lamps according to the project demand, and this patent adopts the LED lamp of two kinds of colours of red blue, and the red lamp is the power lamp, has power on LED red lamp to be bright often, and the blue lamp is for judging whether bluetooth has the connection, and bluetooth does not have the connection blue lamp and twinkles the state always, and bluetooth has equipment to connect successfully the blue lamp and be bright state always.
The light sensing module 25 may be an infrared ranging sensing module or a human body infrared sensing module.
As shown in fig. 4, the MCU22 of the mobile phone charging data line of the present invention determines whether a USB flash disk is inserted or not by the USB expansion interface 12, if yes, basic information of a storage medium is read through the USB expansion interface 12, an available MP3 audio file is searched, the MP3 audio file is decoded by the MP3 reading module 13, the digital signal decoded by the MCU22 is converted into an analog signal by D/a conversion, the analog signal is transmitted to an FM radio of the vehicle-mounted terminal by the FM module 23, and then the vehicle-mounted audio is passed to play, thereby realizing a music playing function.
After the USB interface 11 of the mobile phone charging data line is connected with a power supply to take power, the power is supplied to the smart phone through the connector 21, so that the mobile phone charging function is realized.
When the light sensing module senses the gesture of a user and judges that the gesture meets the preset triggering condition, a signal is sent to the MCU, the MCU is triggered to transmit a preset wake-up signal to a mobile phone APP with a voice recognition function through Bluetooth, after the mobile phone APP receives the wake-up signal, a voice data acquisition end is switched to a MIC module of a data line from the mobile phone MIC, and the MIC module of the data line acquires audio data spoken by the user to the MCU in real time and interacts with the Bluetooth module of the mobile phone through the Bluetooth module; the mobile phone terminal collects the uploaded user voice data received by the data line MIC module through the Bluetooth module, transmits the user voice data to the APP with the voice recognition function to start a voice assistant or a navigation function, filters the audio data, extracts voice to recognize, uses the recognized voice data in the voice assistant or the voice navigation of the APP, and achieves the awakening function of the mobile phone APP.
The invention discloses a wake-up method of a mobile phone charging data line with a wake-up function, which comprises the following steps:
step 1, entering a vehicle, successfully pairing a Bluetooth module of a mobile phone of a user with a Bluetooth module 14 of a mobile phone charging data line, so that the mobile phone and the mobile phone charging data line are in a communicable state;
Step 2, if the mobile phone end is in a screen locking and screen blacking state, entering a gesture wake-up mode or a voice wake-up mode:
Step 21, gesture wake mode
When the user approaches the light sensing module 25 of the data line by hand, the light sensing module 25 senses the gesture of the user and judges that the gesture meets the preset triggering condition, a high-level signal is sent to the MCU22, if the MCU22 detects the high level, an interrupt function is triggered, the interrupt function invokes a Bluetooth communication interface, a preset wake-up signal is transmitted to the mobile phone APP with the voice recognition function through Bluetooth, and the step 3 is shifted;
Step 22, voice wakeup mode
The mobile phone MIC collects voice data and sends the voice data to the mobile phone wake-up word recognition module, if the wake-up word is detected, a wake-up signal is sent to the mobile phone APP, and the step 3 is shifted;
step 3, after the mobile phone APP receives the wake-up signal, switching the voice data acquisition end from the mobile phone MIC to the MIC module 24 of the data line, and the MIC module 24 of the data line acquires the audio data of the user in real time to the MCU22 and interacts with the Bluetooth module of the mobile phone through the Bluetooth module 14;
Step 4, the mobile phone terminal transmits the user voice data which is received and uploaded by the data line MIC module through the Bluetooth module to the mobile phone APP with the voice recognition function to start a voice assistant or a navigation function, filters the audio data, extracts voice to recognize, and uses the recognized voice data in the voice assistant or the voice navigation of the mobile phone APP, and then the step 5 is performed;
step 5, the mobile phone APP with the voice recognition function comprises the following steps in a voice assistant or voice navigation:
If the mobile phone APP with the voice recognition function recognizes an instruction for playing music, corresponding music data is selected from a mobile phone music library or a storage medium connected with the USB expansion interface 12 according to the instruction, if the music data comes from the mobile phone music library, digital signals are decoded by a music playing module of the mobile phone, and the digital signals are transmitted to the MCU22 of the data line through a Bluetooth module of the mobile phone and the data line; if the music data comes from the storage medium connected with the USB expansion interface 12, the music data is sent to the MCU22 through the MP3 reading module 13;
If the mobile phone APP with the voice recognition function transmits the audio data to the MCU22 of the data line through the Bluetooth module of the mobile phone and the data line;
then, the MCU22 of the data line converts the decoded digital signal into an analog signal through D/A conversion, transmits the analog signal to the FM radio of the vehicle-mounted terminal through the FM module 23, and then transmits the analog signal to the vehicle-mounted device to play music or sound through the external or built-in sound box of the vehicle-mounted device.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present invention still fall within the scope of the technical solutions of the present invention.

Claims (2)

1. A mobile phone charging data line with a wake-up function comprises a first connector end, a second connector end and a cable connected with the first connector end and the second connector end; the method is characterized in that:
The first joint end comprises a USB interface, a USB expansion interface, an MP3 reading module, a Bluetooth module, an FM module and an MCU, wherein one end of the MP3 reading module is connected with the USB expansion interface, and the other end is connected with the MCU;
the second connector end comprises a connector which is matched with a charging interface of the smart phone, a high-sensitivity MIC module and a light sensing module;
The USB interface of the first connector end is connected with the connector of the second connector end through an electric wire in the cable, and the USB interface supplies power to the smart phone through the connector after power is taken;
The MCU is respectively connected with the MP3 reading module, the Bluetooth module, the MIC module, the light sensing module and the FM module through signal wires;
The USB expansion interface is used for connecting the output end of the MP3 audio file storage medium, reading the MP3 audio file from the storage medium, decoding by the MP3 reading module, performing MCU digital-to-analog conversion, transmitting to the FM radio of the vehicle-mounted terminal by the FM module, and then transmitting to the vehicle-mounted sound for playing;
If the light sensing module senses the gesture of a user and judges that the gesture meets a preset triggering condition, a signal is sent to the MCU, the MCU is triggered to transmit a preset wake-up signal to a mobile phone APP with a voice recognition function through Bluetooth, after the mobile phone APP receives the wake-up signal, a voice data acquisition end is switched from a mobile phone MIC to a MIC module of a data line, and the MIC module of the data line acquires audio data spoken by the user to the MCU in real time and interacts with the Bluetooth module of the mobile phone through the Bluetooth module;
The mobile phone terminal receives the user voice data uploaded by the data line MIC module through the Bluetooth module, transmits the user voice data to an APP with a voice recognition function to start a voice assistant or a navigation function, filters the audio data, extracts voice to recognize, and uses the recognized voice data in the voice assistant or the voice navigation of the APP;
The wake-up method comprises the following steps:
step 1, entering a vehicle, and successfully pairing a Bluetooth module of a mobile phone of a user with a Bluetooth module of a mobile phone charging data line to enable the mobile phone and the mobile phone charging data line to be in a communicable state;
Step 2, if the mobile phone end is in a screen locking and screen blacking state, entering a gesture wake-up mode or a voice wake-up mode:
Step 21, gesture wake mode
The method comprises the steps that when a user approaches a light sensing module of a data line by hands, the light sensing module senses gestures of the user and judges that preset triggering conditions are met, signals are sent to an MCU, the MCU is triggered to transmit preset wake-up signals to a mobile phone APP with a voice recognition function through Bluetooth, and step 3 is performed;
Step 22, voice wakeup mode
The mobile phone MIC collects voice data and sends the voice data to the mobile phone wake-up word recognition module, if the wake-up word is detected, a wake-up signal is sent to the mobile phone APP, and the step 3 is shifted;
step 3, after the mobile phone APP receives the wake-up signal, switching the voice data acquisition end from the mobile phone MIC to the MIC module of the data line, and acquiring audio data spoken by a user to the MCU in real time by the MIC module of the data line and interacting with the Bluetooth module of the mobile phone through the Bluetooth module;
Step 4, the mobile phone terminal transmits the user voice data which is received and uploaded by the data line MIC module through the Bluetooth module to the mobile phone APP with the voice recognition function to start a voice assistant or a navigation function, filters the audio data, extracts voice to recognize, and uses the recognized voice data in the voice assistant or the voice navigation of the mobile phone APP, and then the step 5 is performed;
step 5, the mobile phone APP with the voice recognition function comprises the following steps in a voice assistant or voice navigation:
If the mobile phone APP with the voice recognition function recognizes an instruction for playing music, selecting corresponding music data from a mobile phone music library or a storage medium connected with a USB expansion interface according to the instruction, and if the music data come from the mobile phone music library, decoding a digital signal through a music playing module of the mobile phone, and transmitting the digital signal to an MCU of a data line through a Bluetooth module of the mobile phone and the data line; if the music data come from a storage medium connected with the USB expansion interface, sending the music data to the MCU through the MP3 reading module;
If the mobile phone APP with the voice recognition function transmits the audio data to the MCU of the data line through the Bluetooth module of the mobile phone and the data line;
The MCU of the data line converts the decoded digital signal into an analog signal through D/A conversion, transmits the analog signal to the FM radio of the vehicle-mounted terminal through the FM module, and then transmits the analog signal to the vehicle-mounted device to play music or sound through the external or built-in sound box of the vehicle-mounted device.
2. The mobile phone charging data line with wake-up function according to claim 1, wherein: the light sensing module adopts an infrared ranging sensing module or a human body infrared sensing module.
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