CN107819472A - Vehicle-mounted radio - Google Patents
Vehicle-mounted radio Download PDFInfo
- Publication number
- CN107819472A CN107819472A CN201711121248.3A CN201711121248A CN107819472A CN 107819472 A CN107819472 A CN 107819472A CN 201711121248 A CN201711121248 A CN 201711121248A CN 107819472 A CN107819472 A CN 107819472A
- Authority
- CN
- China
- Prior art keywords
- mcu
- module
- mobile phone
- smart mobile
- bluetooth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/08—Constructional details, e.g. cabinet
- H04B1/082—Constructional details, e.g. cabinet to be used in vehicles
-
- 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
-
- 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
- H04M1/72406—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by software upgrading or downloading
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Telephone Function (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of vehicle-mounted radio, including MCU, and audio chip, radio reception circuit, power amplifier, MCU is made up of the central processing unit that becomes one, bluetooth baseband module, analog-to-digital conversion module, D/A converter module, memory module, wherein radio reception circuit is connected by analog-to-digital conversion module with central processing unit, central processing unit is connected with audio chip, power amplifier successively by D/A converter module, and bluetooth baseband module and memory module are connected with central processing unit respectively.The system that the present invention uses high integration, there is the advantages of cost is low, avoid smart mobile phone when playing mobile phone music and work, while the problem of causing battery life to reduce of charging.
Description
Technical field
The present invention relates to mobile unit field, specifically a kind of vehicle-mounted radio.
Background technology
All there is radio receiver module, radio receiver module is controlled by vehicle-mounted MCU, and it can receive reception signals in most of automobiles
And broadcasted by power amplifier, radio receiver module integrated on-board CD player or USB interface, music is read in by vehicle-mounted CD player or USB interface
File simultaneously plays out.Vehicle-mounted radio module can also connect mobile phone by USB interface at present, and the music in mobile phone can pass through receipts
Sound machine module plays out, and this to need to connect USB line by way of vehicle-mounted radio module plays mobile phone music, mobile phone exists
USB chargings are also carried out while playing work, can undoubtedly cause handset battery life to decline.
The content of the invention is led to it is an object of the invention to provide a kind of vehicle-mounted radio with solving prior art vehicle-mounted radio
Cross USB line connection mobile phone and play the problem of concert causes handset battery life to decline in mobile phone.
In order to achieve the above object, the technical solution adopted in the present invention is：
, vehicle-mounted radio, it is characterised in that：MCU including high integration, and audio chip, radio reception circuit, power amplifier, it is described
MCU is by the central processing unit, bluetooth baseband module, analog-to-digital conversion module, D/A converter module, the memory module structure that become one
Into wherein radio reception circuit output end is connected with analog-to-digital conversion module input, analog-to-digital conversion module output end and central processing unit
Connection, D/A converter module input are connected with central processing unit, and D/A converter module output end connects with audio chip input
Connect, audio chip output end is connected with power amplifier, and bluetooth baseband module and memory module are connected with central processing unit respectively, centre
Managing in device, there is main program, bluetooth transmission program, bluetooth to receive program, and APP installation procedures are stored with memory module；
The reception signals that radio reception circuit receives are sent into MCU after analog-to-digital conversion module is converted to data signal, and main program will in MCU
Data signal is sent into D/A converter module, audio chip is sent into after D/A converter module is converted to analog signal, through audio core
Power amplifier is sent into after piece processing to play out；
MCU is connected by bluetooth baseband module with the bluetooth module of in-car smart mobile phone, realizes that MCU communicates with in-car smart mobile phone
Connection；Main program recalls the APP installation procedures stored in memory module and is pacified APP by bluetooth transmission program first in MCU
Dress program is sent to smart mobile phone, and smart mobile phone runs the installation of completion APP programs after APP installation procedures, and smart mobile phone is held
, will by the bluetooth module of APP routine call smart mobile phones after person is encoded the audio file in smart mobile phone by the APP programs
The audio file of coding is sent to MCU, and receiving program by bluetooth in MCU receives the audio file of coding and be sent to main program,
After main program decodes to the audio file of coding, the data format that being reconverted into MCU can identify obtains voice data, sound
Frequency is according to by main program storage, in a storage module, voice data is delivered to D/A converter module by main program during broadcasting, by digital-to-analogue
Modular converter is converted to corresponding analog signal and is sent into audio chip, is played after audio chip is handled by power amplifier.
Described vehicle-mounted radio, it is characterised in that：MCU also includes usb circuit, usb circuit access center
Processor, the USB port of smart mobile phone are connected with the usb circuit in MCU by USB data line, realized to smart mobile phone
USB charging.
Described vehicle-mounted radio, it is characterised in that：When smart mobile phone installs APP programs, MCU main program reads intelligence
The address of Bluetooth of mobile phone module is simultaneously stored in a storage module, using the address of intelligent mobile phone Bluetooth module as identification information to intelligence
Energy handset identity, when the smart mobile phone that address meets is again coupled to MCU by bluetooth, main program is not to intelligent hand in MCU
Machine sends APP installation procedures, when the incongruent smart mobile phone in address and MCU pass through bluetooth connection, in MCU main program first to
Smart mobile phone sends APP installation procedures.
Described vehicle-mounted radio, it is characterised in that：Main program also includes interface generation program in MCU, is generated by interface
Program generates operation interface on Vehicular display device.
In the present invention, using the MCU system of high integration, eliminate and digital-to-analogue conversion, the hardware of analog-to-digital conversion are set in addition
Cost, form inexpensive, multi-functional multimedia radio system.
In the present invention, MCU is connected by bluetooth and smart mobile phone communication, and smart mobile phone can directly obtain APP journeys from MCU
Sequence, the APP programs can obtain smart mobile phone middle pitch frequency file and be sent after encoding by bluetooth to MCU, then by main program in MCU
Handled to obtain voice data and stored, MCU directly calls voice data to play out from memory module, therefore need not intelligence
Mobile phone is in running order to be coordinated, and smart mobile phone can be charged additionally by USB data line, avoids smart mobile phone one
Side worked, while the problem of charging causes battery life to reduce.
Brief description of the drawings
Fig. 1 is structural principle block diagram of the present invention.
Embodiment
As shown in figure 1, vehicle-mounted radio, include the MCU of high integration, and audio chip, radio reception circuit, power amplifier, institute
State MCU by become one central processing unit, bluetooth baseband module, analog-to-digital conversion module, D/A converter module, memory module
Form, wherein radio reception circuit output end is connected with analog-to-digital conversion module input, analog-to-digital conversion module output end and central processing
Device is connected, and D/A converter module input is connected with central processing unit, D/A converter module output end and audio chip input
Connection, audio chip output end are connected with power amplifier, and bluetooth baseband module and memory module are connected with central processing unit respectively, center
There is main program, bluetooth transmission program, bluetooth to receive program in processor, APP installation procedures are stored with memory module；
The reception signals that radio reception circuit receives are sent into MCU after analog-to-digital conversion module is converted to data signal, and main program will in MCU
Data signal is sent into D/A converter module, audio chip is sent into after D/A converter module is converted to analog signal, through audio core
Power amplifier is sent into after piece processing to play out；
MCU is connected by bluetooth baseband module with the bluetooth module of in-car smart mobile phone, realizes that MCU communicates with in-car smart mobile phone
Connection；Main program recalls the APP installation procedures stored in memory module and is pacified APP by bluetooth transmission program first in MCU
Dress program is sent to smart mobile phone, and smart mobile phone runs the installation of completion APP programs after APP installation procedures, and smart mobile phone is held
, will by the bluetooth module of APP routine call smart mobile phones after person is encoded the audio file in smart mobile phone by the APP programs
The audio file of coding is sent to MCU, and receiving program by bluetooth in MCU receives the audio file of coding and be sent to main program,
After main program decodes to the audio file of coding, the data format that being reconverted into MCU can identify obtains voice data, sound
Frequency is according to by main program storage, in a storage module, voice data is delivered to D/A converter module by main program during broadcasting, by digital-to-analogue
Modular converter is converted to corresponding analog signal and is sent into audio chip, is played after audio chip is handled by power amplifier.
MCU also includes usb circuit, usb circuit access central processing unit, and the USB port of smart mobile phone passes through
USB data line is connected with the usb circuit in MCU, realizes the USB chargings to smart mobile phone.
When smart mobile phone installs APP programs, MCU main program reads the address of intelligent mobile phone Bluetooth module and is stored in
Store up in module, smart mobile phone is identified using the address of intelligent mobile phone Bluetooth module as identification information, when the intelligence that address meets
When mobile phone is again coupled to MCU by bluetooth, main program does not send APP installation procedures to smart mobile phone in MCU, works as mail returned on ground of incorrect address
When the smart mobile phone of conjunction passes through bluetooth connection with MCU, main program sends APP installation procedures to smart mobile phone first in MCU.
Main program also includes interface generation program in MCU, and operation circle is generated on Vehicular display device by interface generation program
Face.
Claims (4)
1. vehicle-mounted radio, it is characterised in that：MCU including high integration, and audio chip, radio reception circuit, power amplifier, it is described
MCU is by the central processing unit, bluetooth baseband module, analog-to-digital conversion module, D/A converter module, the memory module structure that become one
Into wherein radio reception circuit output end is connected with analog-to-digital conversion module input, analog-to-digital conversion module output end and central processing unit
Connection, D/A converter module input are connected with central processing unit, and D/A converter module output end connects with audio chip input
Connect, audio chip output end is connected with power amplifier, and bluetooth baseband module and memory module are connected with central processing unit respectively, centre
Managing in device, there is main program, bluetooth transmission program, bluetooth to receive program, and APP installation procedures are stored with memory module；
The reception signals that radio reception circuit receives are sent into MCU after analog-to-digital conversion module is converted to data signal, and main program will in MCU
Data signal is sent into D/A converter module, audio chip is sent into after D/A converter module is converted to analog signal, through audio core
Power amplifier is sent into after piece processing to play out；
MCU is connected by bluetooth baseband module with the bluetooth module of in-car smart mobile phone, realizes that MCU communicates with in-car smart mobile phone
Connection；Main program recalls the APP installation procedures stored in memory module and is pacified APP by bluetooth transmission program first in MCU
Dress program is sent to smart mobile phone, and smart mobile phone runs the installation of completion APP programs after APP installation procedures, and smart mobile phone is held
, will by the bluetooth module of APP routine call smart mobile phones after person is encoded the audio file in smart mobile phone by the APP programs
The audio file of coding is sent to MCU, and receiving program by bluetooth in MCU receives the audio file of coding and be sent to main program,
After main program decodes to the audio file of coding, the data format that being reconverted into MCU can identify obtains voice data, sound
Frequency is according to by main program storage, in a storage module, voice data is delivered to D/A converter module by main program during broadcasting, by digital-to-analogue
Modular converter is converted to corresponding analog signal and is sent into audio chip, is played after audio chip is handled by power amplifier.
2. vehicle-mounted radio according to claim 1, it is characterised in that：MCU also includes usb circuit, USB interface electricity
Central processing unit is accessed on road, and the USB port of smart mobile phone is connected by USB data line with the usb circuit in MCU, is realized
The USB of smart mobile phone is charged.
3. vehicle-mounted radio according to claim 1, it is characterised in that：When smart mobile phone installs APP programs, MCU master
Program read intelligent mobile phone Bluetooth module address and store in a storage module, using the address of intelligent mobile phone Bluetooth module as
Identification information identifies to smart mobile phone, when the smart mobile phone that address meets is again coupled to MCU by bluetooth, main journey in MCU
Sequence does not send APP installation procedures to smart mobile phone, when the incongruent smart mobile phone in address passes through bluetooth connection with MCU, in MCU
Main program sends APP installation procedures to smart mobile phone first.
4. vehicle-mounted radio according to claim 1, it is characterised in that：Main program also includes interface generation program in MCU,
Operation interface is generated on Vehicular display device by interface generation program.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711121248.3A CN107819472B (en) | 2017-11-14 | 2017-11-14 | Vehicle radio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711121248.3A CN107819472B (en) | 2017-11-14 | 2017-11-14 | Vehicle radio |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107819472A true CN107819472A (en) | 2018-03-20 |
| CN107819472B CN107819472B (en) | 2020-04-17 |
Family
ID=61609288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711121248.3A Expired - Fee Related CN107819472B (en) | 2017-11-14 | 2017-11-14 | Vehicle radio |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107819472B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109274385A (en) * | 2018-08-01 | 2019-01-25 | 安徽森力汽车电子有限公司 | A kind of vehicle mounted multimedia radio devices of integrated simulation engine sound |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201585236U (en) * | 2009-09-15 | 2010-09-15 | 深圳市逸游天下数码科技有限公司 | Vehicular digital multimedia playing equipment |
| EP2560146A1 (en) * | 2011-08-19 | 2013-02-20 | Auronik GmbH | System and method for visualising motor vehicle diagnosis and geopositional data |
| CN203071929U (en) * | 2013-02-01 | 2013-07-17 | 王琪杰 | Vehicle-mounted Bluetooth device |
| CN104681025A (en) * | 2013-11-26 | 2015-06-03 | 现代摩比斯株式会社 | System for command operation using speech recognition and working method thereof |
| CN105511961A (en) * | 2015-11-25 | 2016-04-20 | 魅族科技（中国）有限公司 | Data sending method and terminal |
| CN106231485A (en) * | 2016-08-31 | 2016-12-14 | 周作飞 | Intelligent WIFI sound equipment with APP function and operational approach thereof |
| CN205945900U (en) * | 2016-06-08 | 2017-02-08 | 王强 | On -vehicle smart mobile phone peripheral hardware |
| CN107277272A (en) * | 2017-07-25 | 2017-10-20 | 深圳市芯中芯科技有限公司 | A kind of bluetooth equipment voice interactive method and system based on software APP |
-
2017
- 2017-11-14 CN CN201711121248.3A patent/CN107819472B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201585236U (en) * | 2009-09-15 | 2010-09-15 | 深圳市逸游天下数码科技有限公司 | Vehicular digital multimedia playing equipment |
| EP2560146A1 (en) * | 2011-08-19 | 2013-02-20 | Auronik GmbH | System and method for visualising motor vehicle diagnosis and geopositional data |
| CN203071929U (en) * | 2013-02-01 | 2013-07-17 | 王琪杰 | Vehicle-mounted Bluetooth device |
| CN104681025A (en) * | 2013-11-26 | 2015-06-03 | 现代摩比斯株式会社 | System for command operation using speech recognition and working method thereof |
| CN105511961A (en) * | 2015-11-25 | 2016-04-20 | 魅族科技（中国）有限公司 | Data sending method and terminal |
| CN205945900U (en) * | 2016-06-08 | 2017-02-08 | 王强 | On -vehicle smart mobile phone peripheral hardware |
| CN106231485A (en) * | 2016-08-31 | 2016-12-14 | 周作飞 | Intelligent WIFI sound equipment with APP function and operational approach thereof |
| CN107277272A (en) * | 2017-07-25 | 2017-10-20 | 深圳市芯中芯科技有限公司 | A kind of bluetooth equipment voice interactive method and system based on software APP |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109274385A (en) * | 2018-08-01 | 2019-01-25 | 安徽森力汽车电子有限公司 | A kind of vehicle mounted multimedia radio devices of integrated simulation engine sound |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107819472B (en) | 2020-04-17 |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200417 Termination date: 20201114 |