CN104950872A - Vehicular diagnostic system and vehicular network system - Google Patents
Vehicular diagnostic system and vehicular network system Download PDFInfo
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- CN104950872A CN104950872A CN201510259480.8A CN201510259480A CN104950872A CN 104950872 A CN104950872 A CN 104950872A CN 201510259480 A CN201510259480 A CN 201510259480A CN 104950872 A CN104950872 A CN 104950872A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
Abstract
The invention relates to the technical field of internet of vehicles and provides a vehicular diagnostic system and a vehicular network system. The vehicular diagnostic system comprises a core processor, a wireless transmission module and a frequency modulation transmitter module. The core processor receives an audio selection control command through the wireless transmission module, receives a network audio signal from a cloud data platform through the wireless transmission module according to the audio selection control command, converts the network audio signal into a digital audio signal and transmits the digital audio signal to the frequency modulation transmitter module. The frequency modulation transmitter module converts the digital audio signal by signal modulation into an analog audio signal and transmits the analog audio signal to an audio player module to play network audio. The frequency modulation transmitter module added to the vehicular diagnostic system and is highly integrated to the wireless communication module; sound from the frequency modulation transmitter module can be acquired from a network cloud according to users' selections; users are allowed to freely select the network audio, and driving is more interesting to the users.
Description
Technical field
The present invention relates to car networking technology field, particularly relate to a kind of onboard diagnostic system and vehicle netbios.
Background technology
In driving, appreciate program of radio station with the intense strain of releiving in driving procedure, to raising traffic safety, there is certain booster action, but the bad experience that can affect user of the wireless acoustical quality in vehicle, and the frequency range that vehicle-mounted radio receives is between 87.5Mhz to 108Mhz, the radio station received is also more fixing, and the radio signals received in different areas is usually different, can not select the content of radio station source of sound simultaneously.In sum, there is the bad and user of the tonequality of vehicle-mounted radio in prior art can not the defect of unrestricted choice network audio frequency.
Summary of the invention
The object of the present invention is to provide a kind of onboard diagnostic system and vehicle netbios, being intended to solve for the tonequality that there is vehicle-mounted radio in prior art bad and user can not the defect of unrestricted choice network audio frequency.
The present invention is achieved in that first aspect provides a kind of onboard diagnostic system, and described onboard diagnostic system comprises core processor, wireless transport module and FM transmission module;
Described core processor selects control command by described wireless transport module audio reception, receive network audio signal by described wireless transport module from cloud data platform according to described audio selection control command, and send to described FM transmission module after converting described network audio signal to digital audio and video signals;
Described digital audio and video signals is converted to simulated audio signal and sends to audio playing module with playing network audio frequency by described FM transmission module after signal modulation process.
In conjunction with first aspect, in the first embodiment of first aspect, the process that described digital audio and video signals is converted to simulated audio signal by described FM transmission module after signal modulation process is:
Described digital audio and video signals is obtained simulated audio signal after DSP computing, digital-to-analog conversion and High frequency amplification.
In conjunction with first aspect, in the second embodiment of first aspect, described wireless transport module comprises 3G/LTE module, WIFI module, bluetooth module and GPS locating module.
In conjunction with first aspect, in the third embodiment of first aspect, described onboard diagnostic system also comprises memory module, and described core processing device gives described network audio signal storage in described memory module.
Second aspect present invention provides a kind of vehicle netbios, comprises onboard diagnostic system, mobile terminal, audio playing module and cloud data platform;
Described onboard diagnostic system comprises core processor, wireless transport module and FM transmission module;
The network audio that described mobile terminal is selected according to user sends audio selection control command by described wireless transport module to described core processor;
Described core processor receives described audio selection control command, and receive network audio signal by described wireless transport module from cloud data platform according to described audio selection control command, and send to described FM transmission module after converting described network audio signal to digital audio and video signals;
Described FM transmission module converts described digital audio and video signals to simulated audio signal and sends to described audio playing module after signal modulation process;
Described audio playing module carries out playing network audio frequency after fm demodulation to described simulated audio signal.
In conjunction with second aspect, in the first embodiment of second aspect, the process that described digital audio and video signals is converted to simulated audio signal by described FM transmission module after signal modulation process is:
Described digital audio and video signals is obtained simulated audio signal after DSP computing, digital-to-analog conversion and High frequency amplification.
In conjunction with second aspect, in the second embodiment of second aspect, described onboard diagnostic system also comprises memory module, and described core processing device gives described network radio station signal storage in described memory module.
A kind of vehicle netbios of third aspect present invention, comprises onboard diagnostic system, mobile terminal and cloud data platform;
Described onboard diagnostic system comprises core processor, wireless transport module and FM transmission module;
The network audio that described mobile terminal is selected according to user sends audio selection control command by described wireless transport module to described core processor;
Described core processor receives described audio selection control command, and receive network audio signal by described wireless transport module from cloud data platform according to described audio selection control command, and send to described FM transmission module after converting described network audio signal to digital audio and video signals;
Described FM transmission module converts described digital audio and video signals to simulated audio signal and sends to described mobile terminal after signal modulation process;
Described mobile terminal carries out playing network audio frequency after fm demodulation to described simulated audio signal.
In conjunction with the third aspect, in the first embodiment of the third aspect, the process that described digital audio and video signals is converted to simulated audio signal by described FM transmission module after signal modulation process is:
Described digital audio and video signals is obtained simulated audio signal after DSP computing, digital-to-analog conversion and High frequency amplification.
In conjunction with the third aspect, in the second embodiment of the third aspect, described onboard diagnostic system also comprises memory module, and described core processing device gives described network radio station signal storage in described memory module.
Onboard diagnostic system provided by the invention and vehicle netbios, FM transmission module is added in onboard diagnostic system, by FM transmission module and radio communication mold tile height integrated, FM signal is launched to audio-frequence player device by FM transmission module, because FM transmission module and audio-frequence player device relative position are fixed, make signal more stable, the source of sound of FM transmission module can obtain from network high in the clouds according to the selection of user simultaneously, it can be navigation speech, the Streaming Media such as music or cross-talk, make user can unrestricted choice network audio frequency, for user adds the enjoyment of more multirow car life.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of onboard diagnostic system that an embodiment of the present invention provides;
Fig. 2 is the structural representation of a kind of onboard diagnostic system that the another kind of embodiment of the present invention provides;
Fig. 3 is the structural representation of a kind of vehicle netbios that the another kind of embodiment of the present invention provides;
Fig. 4 is the structural representation of a kind of vehicle netbios that the another kind of embodiment of the present invention provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
In order to technical scheme of the present invention is described, be described below by specific embodiment.
An embodiment of the present invention provides a kind of onboard diagnostic system, and as shown in Figure 1, onboard diagnostic system 10 comprises core processor 101, wireless transport module 102 and FM transmission module 103;
Core processor 101 selects control command by wireless transport module 102 audio reception, receive network audio signal by wireless transport module 102 from cloud data platform 201 according to audio selection control command, and send to FM transmission module 103 after converting network audio signal to digital audio and video signals;
Digital audio and video signals is converted to simulated audio signal and sends to audio playing module 301 with playing network audio frequency by FM transmission module 103 after signal modulation process.
Wherein, onboard diagnostic system 10 obtains system power supply after diagnosing joint connecting pin and automobile ECU physical connection by 16PIN OBD.
For wireless transport module 102, it comprises 3G/LTE module, WIFI module, bluetooth module and GPS locating module.
For core processor 101, it comprises communication control unit 1011 and data processing unit 1012, and Control on Communication 1011 unit is responsible for 3G/LTE communication, WiFi communication, bluetooth, GPS location, Systematical control (android) and and the mobile terminal controlling functions such as alternately.
Particularly, communication control unit 1011, by controlling Bluetooth chip, realizes local communication in accordance with SPP agreement, HSFP agreement and A2DP agreement etc. with mobile terminal 401 (android APP) and data are transmitted or voice transfer; Communication control unit can also pass through control WiFi chip, realizes local communication in accordance with between ICP/IP protocol and mobile terminal 401 (android APP).Communication control unit can also amplify by controlling baseband signal digital processing computing, coding/decoding, ADC conversion, DAC conversion, the transmitting-receiving of I/Q signal conversion process, radio-frequency channel handover management, radiofrequency signal and radio-frequency power, receive finally by antenna transmission, in accordance with 3Gpp, the wireless communication protocols such as TCP/IP are connected with WWW Internet, carry out data interaction application with each server platform of Internet end.
Particularly, data processing unit 1012 comprises diagnosis control chip DPU431 and diagnose interface chip JV700, bottom data communication interaction is carried out according to standard OBD or proprietary diagnosing protocol, carry out data interaction with communication ends master control by UART or SPI after obtaining bottom diagnostic data, be responsible for the acquisition and processing function that automotive check Path Setup and car data detection are provided.
Further, onboard diagnostic system 10 also comprises the diagnose interface unit 105 and OBD diagnose interface 106 that are connected with data processing unit 1012.Onboard diagnostic system 10 also comprises and is connected gyro sensor module 111, acceleration sensor module 112, SIM card module 113, USB module 114, loudspeaker 115, LED light and power module 117 with communication control unit 1011.
Alternatively, communication control unit can select high pass nest plate scheme or MTK nest plate scheme to realize.
Wherein, high pass nest plate scheme comprises, baseband processing chip (MSM8916), rf chip, radio-frequency (RF) power amplification (SKY77629), storage (EMMC+DDR) (KMN9W000RM), power management (PM8916), the three-in-one chips W CN3620 of WiFi/BT/GPS, diplexer (SAFFB2G35AA0F0A) and each wave filter.
Wherein, MTK nest plate scheme comprises, main control process chip (MT6572), baseband chip (MT6166), rf chip (MT6166V), radio-frequency (RF) power amplification (RF3235), storage (EMMC+DDR) (KMN9W000RM), power management (T6323GA), GPS/WiFi/BT four-in-one chip (MT6627), diplexer and each wave filter etc.Radio-frequency antenna 3G/LTE antenna, WiFi/BT antenna and gps antenna are support installing sheet type PIFA antenna.Each radio-frequency antenna by and communication board leaks copper antenna feed point contact be connected.
For FM transmission module 103, the process that digital audio and video signals is converted to simulated audio signal by FM transmission module 103 after signal modulation process is:
Digital audio and video signals is obtained simulated audio signal after DSP computing, digital-to-analog conversion and High frequency amplification.
Particularly, FM transmission module 103 comprises power supply, main control chip, FM transmission chip, amplifying circuit and FM antenna, wherein, main control chip is used for carrying out interaction data with core processor, FM transmission chip is used for digital audio and video signals through DSP computing and digital-to-analog conversion, amplifying circuit is used for amplifying signal, and FM is used for transmitting; FM transmission chip can adopt Si4713 or QN8027, amplifying circuit can adopt SC9018 and peripheral circuit, FM antenna can adopt micro-boat magnetoelectricity magnetic coiling built-in aerial or FPC antenna, and FM antenna selects the antenna feed point on plate to carry out the connection of thimble contact by logical.
Further, onboard diagnostic system 10 also comprises memory module 104, and core processor 101 gives network radio station signal storage in memory module 104.
The course of work of the embodiment of the present invention is: core processor 101 controls FM transmission module 103 by IIC, by by analog input channel low frequency voice signal or IIS digital audio and video signals, carry out DSP computing, then DAC conversion, through High frequency amplification, go out finally by antenna transmission, follow radio FM receiving and dispatching mechanism, the signal madulation such as audio frequency are launched broadcast go out, then in car, local handheld mobile device obtains audio frequency by FM demodulation, in-car entertainment system is received by FM demodulation, amplifies source of sound by sound equipment power amplifier, finally promotes loudspeaker and sounds.
Further, guiding aircraft frequcny modulation data receiver module is also comprised in core processor 101, described guiding aircraft frequcny modulation data receiver module receives the navigation information of cloud data platform transmission by wireless transport module, carry out DSP computing, then DAC conversion, through High frequency amplification, go out finally by antenna transmission, follow radio FM receiving and dispatching mechanism, the signal madulation such as audio frequency are launched broadcast go out, then in car, local handheld mobile device obtains audio frequency by FM demodulation, in-car entertainment system is received by FM demodulation, source of sound is amplified by sound equipment power amplifier, finally promote loudspeaker to sound.
Further, FM transmitter module can use other modulation schemes be applicable to such as such as amplitude modulation (AM) to carry out broadcast radio signal.Its signal launched can send to two listening equipment first audio frequency apparatuses and the second audio frequency apparatus, in one implementation, input media, output unit and processing logic can be passed through at the first listening equipment place, perform enabling and configuring of FM transmitter module.Alternatively, can at audio frequency apparatus place, source, and relevant instruction is sent to the first listening equipment by short-range wireless transceiver or any mechanism's (such as, USB (universal serial bus) connection etc.) that other is applicable to, performs enabling and configuring of FM transmitter module.
First listening equipment receives the sound signal comprising broadcast voice signal and navigating audio signal from source audio frequency apparatus by the first wireless communication protocol; First listening equipment receives instruction to enable the transmitter be associated with the second wireless communication protocol, and wherein, described second wireless communication protocol is different from described first wireless communication protocol, and this transmitter is arranged in described first listening equipment; Described first listening equipment via described transmitter by the described navigating audio signal of described second wireless communication protocol to described second listening equipment transmission and reception; And when described first listening equipment receives broadcast voice signal, described first listening equipment exports described broadcast voice signal, prevent from sending described navigating audio signal to described second listening equipment simultaneously, wherein, the first listening equipment is performed simultaneously the transmission to described second listening equipment of the output of described non-musical audio signal and described music audio signal.
By providing such the first listening equipment (such as, FM radio), namely, this first listening equipment be configured to use can receives from FM transmitter module audio frequency forwarding or relay transmission to one or more second listening equipment (such as, wireless headset), the convenience that user listens to the audio frequency from source device can be significantly improved.Do not need user to stop broadcast listening music to change music source or by alternative device (as wired connection or adapter), source device to be connected to the second listening equipment, user just seamlessly can enjoy their music always from the first listening equipment to the second listening equipment.
The another kind of embodiment of the present invention provides a kind of vehicle netbios, comprises onboard diagnostic system 10, mobile terminal 401, audio playing module 301 and cloud data platform 201;
Onboard diagnostic system 10 comprises core processor 101, wireless transport module 102 and FM transmission module 103;
The network audio that mobile terminal 401 is selected according to user sends audio selection control command by wireless transport module 102 to core processor 101;
Core processor 101 audio reception selects control command, and receive network audio signal by wireless transport module 102 from cloud data platform 201 according to audio selection control command, and send to FM transmission module 103 after converting network audio signal to digital audio and video signals;
Digital audio and video signals is converted to simulated audio signal and sends to audio playing module 301 by FM transmission module 103 after signal modulation process;
Audio playing module 301 pairs of simulated audio signals carry out playing network audio frequency after fm demodulation.
Particularly, digital audio and video signals is converted to the process of simulated audio signal and is by FM transmission module 103 after signal modulation process:
Digital audio and video signals is obtained simulated audio signal after DSP computing, digital-to-analog conversion and High frequency amplification.
Particularly, wireless transport module 102 comprises 3G/LTE module, WIFI module, bluetooth module and GPS locating module.
Onboard diagnostic system 10 also comprises memory module 104, and core processor 101 gives network radio station signal storage in memory module 104.
In the present embodiment, FM signal is launched to audio-frequence player device by FM transmission module 103, because FM transmission module 103 and audio-frequence player device relative position are fixed, make signal more stable, the source of sound of FM transmission module 103 can obtain from network high in the clouds according to the selection of user simultaneously, can be the Streaming Medias such as navigation speech, music or cross-talk, make user can unrestricted choice network audio program, for user adds the enjoyment of more multirow car life.
Further, guiding aircraft frequcny modulation data receiver module is also comprised in core processor 101, described guiding aircraft frequcny modulation data receiver module receives the navigation information of cloud data platform transmission by wireless transport module, carry out DSP computing, then DAC conversion, through High frequency amplification, go out finally by antenna transmission, follow radio FM receiving and dispatching mechanism, the signal madulation such as audio frequency are launched broadcast go out, then in car, local handheld mobile device obtains audio frequency by FM demodulation, in-car entertainment system is received by FM demodulation, source of sound is amplified by sound equipment power amplifier, finally promote loudspeaker to sound.
Further, FM transmitter module can use other modulation schemes be applicable to such as such as amplitude modulation (AM) to carry out broadcast radio signal.Its signal launched can send to two listening equipment first audio frequency apparatuses and the second audio frequency apparatus, in one implementation, input media, output unit and processing logic can be passed through at the first listening equipment place, perform enabling and configuring of FM transmitter module.Alternatively, can at audio frequency apparatus place, source, and relevant instruction is sent to the first listening equipment by short-range wireless transceiver or any mechanism's (such as, USB (universal serial bus) connection etc.) that other is applicable to, performs enabling and configuring of FM transmitter module.
First listening equipment receives the sound signal comprising broadcast voice signal and navigating audio signal from source audio frequency apparatus by the first wireless communication protocol; First listening equipment receives instruction to enable the transmitter be associated with the second wireless communication protocol, and wherein, described second wireless communication protocol is different from described first wireless communication protocol, and this transmitter is arranged in described first listening equipment; Described first listening equipment via described transmitter by the described navigating audio signal of described second wireless communication protocol to described second listening equipment transmission and reception; And when described first listening equipment receives broadcast voice signal, described first listening equipment exports described broadcast voice signal, prevent from sending described navigating audio signal to described second listening equipment simultaneously, wherein, the first listening equipment is performed simultaneously the transmission to described second listening equipment of the output of described non-musical audio signal and described music audio signal.
By providing such the first listening equipment (such as, FM radio), namely, this first listening equipment be configured to use can receives from FM transmitter module audio frequency forwarding or relay transmission to one or more second listening equipment (such as, wireless headset), the convenience that user listens to the audio frequency from source device can be significantly improved.Do not need user to stop broadcast listening music to change music source or by alternative device (as wired connection or adapter), source device to be connected to the second listening equipment, user just seamlessly can enjoy their music always from the first listening equipment to the second listening equipment.
The another kind of embodiment of the present invention provides a kind of vehicle netbios, comprises onboard diagnostic system 10, mobile terminal 401 and cloud data platform 201;
Onboard diagnostic system 10 comprises core processor 101, wireless transport module 102 and FM transmission module 103;
The network audio that mobile terminal 401 is selected according to user sends audio selection control command by wireless transport module 102 to core processor 101;
Core processor 101 audio reception selects control command, and receive network audio signal by wireless transport module 102 from cloud data platform 201 according to audio selection control command, and send to FM transmission module 103 after converting network audio signal to digital audio and video signals;
Digital audio and video signals is converted to simulated audio signal and sends to mobile terminal 401 by FM transmission module 103 after signal modulation process;
Mobile terminal 401 pairs of simulated audio signals carry out playing network audio frequency after fm demodulation.
Particularly, digital audio and video signals is converted to the process of simulated audio signal and is by FM transmission module 103 after signal modulation process:
Digital audio and video signals is obtained simulated audio signal after DSP computing, digital-to-analog conversion and High frequency amplification.
Particularly, wireless transport module 102 comprises 3G/LTE module, WIFI module, bluetooth module and GPS locating module.
Onboard diagnostic system 10 also comprises memory module 104, and core processor 101 gives network radio station signal storage in memory module 104.
The difference of the embodiment of the present invention and above-described embodiment is simulated audio signal to send to mobile terminal 401, is play by mobile terminal 401, and mobile terminal realization convenient for users is to the selection of network audio and control.
Mobile terminal 401 also by own wireless network or can connect terminal Wi-Fi hotspot, logs in cloud server downloading data or interactive command.The network audio of download or local audio can be transferred to core processor 101 by mobile terminal 401, and core processor 101 sends to audio playing module 301 to play by FM transmission module 103.
Further, guiding aircraft frequcny modulation data receiver module is also comprised in core processor 101, described guiding aircraft frequcny modulation data receiver module receives the navigation information of cloud data platform transmission by wireless transport module, carry out DSP computing, then DAC conversion, through High frequency amplification, go out finally by antenna transmission, follow radio FM receiving and dispatching mechanism, the signal madulation such as audio frequency are launched broadcast go out, then in car, local handheld mobile device obtains audio frequency by FM demodulation, in-car entertainment system is received by FM demodulation, source of sound is amplified by sound equipment power amplifier, finally promote loudspeaker to sound.
Further, FM transmitter module can use other modulation schemes be applicable to such as such as amplitude modulation (AM) to carry out broadcast radio signal.Its signal launched can send to two listening equipment first audio frequency apparatuses and the second audio frequency apparatus, in one implementation, input media, output unit and processing logic can be passed through at the first listening equipment place, perform enabling and configuring of FM transmitter module.Alternatively, can at audio frequency apparatus place, source, and relevant instruction is sent to the first listening equipment by short-range wireless transceiver or any mechanism's (such as, USB (universal serial bus) connection etc.) that other is applicable to, performs enabling and configuring of FM transmitter module.
First listening equipment receives the sound signal comprising broadcast voice signal and navigating audio signal from source audio frequency apparatus by the first wireless communication protocol; First listening equipment receives instruction to enable the transmitter be associated with the second wireless communication protocol, and wherein, described second wireless communication protocol is different from described first wireless communication protocol, and this transmitter is arranged in described first listening equipment; Described first listening equipment via described transmitter by the described navigating audio signal of described second wireless communication protocol to described second listening equipment transmission and reception; And when described first listening equipment receives broadcast voice signal, described first listening equipment exports described broadcast voice signal, prevent from sending described navigating audio signal to described second listening equipment simultaneously, wherein, the first listening equipment is performed simultaneously the transmission to described second listening equipment of the output of described non-musical audio signal and described music audio signal.
By providing such the first listening equipment (such as, FM radio), namely, this first listening equipment be configured to use can receives from FM transmitter module audio frequency forwarding or relay transmission to one or more second listening equipment (such as, wireless headset), the convenience that user listens to the audio frequency from source device can be significantly improved.Do not need user to stop broadcast listening music to change music source or by alternative device (as wired connection or adapter), source device to be connected to the second listening equipment, user just seamlessly can enjoy their music always from the first listening equipment to the second listening equipment.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention; make some equivalent alternative or obvious modification without departing from the inventive concept of the premise; and performance or purposes identical, all should be considered as belonging to the scope of patent protection that the present invention is determined by submitted to claims.
Claims (10)
1. an onboard diagnostic system, is characterized in that, described onboard diagnostic system comprises core processor, wireless transport module and FM transmission module;
Described core processor selects control command by described wireless transport module audio reception, receive network audio signal by described wireless transport module from cloud data platform according to described audio selection control command, and send to described FM transmission module after converting described network audio signal to digital audio and video signals;
Described digital audio and video signals is converted to simulated audio signal and sends to audio playing module with playing network audio frequency by described FM transmission module after signal modulation process.
2. onboard diagnostic system as claimed in claim 1, it is characterized in that, the process that described digital audio and video signals is converted to simulated audio signal by described FM transmission module after signal modulation process is:
Described digital audio and video signals is obtained simulated audio signal after DSP computing, digital-to-analog conversion and High frequency amplification.
3. onboard diagnostic system as claimed in claim 1, it is characterized in that, described wireless transport module comprises 3G/LTE module, WIFI module, bluetooth module and GPS locating module.
4. onboard diagnostic system as claimed in claim 1, it is characterized in that, described onboard diagnostic system also comprises memory module, and described core processing device gives described network audio signal storage in described memory module.
5. a vehicle netbios, is characterized in that: comprise onboard diagnostic system, mobile terminal, audio playing module and cloud data platform;
Described onboard diagnostic system comprises core processor, wireless transport module and FM transmission module;
The network audio that described mobile terminal is selected according to user sends audio selection control command by described wireless transport module to described core processor;
Described core processor receives described audio selection control command, and receive network audio signal by described wireless transport module from cloud data platform according to described audio selection control command, and send to described FM transmission module after converting described network audio signal to digital audio and video signals;
Described FM transmission module converts described digital audio and video signals to simulated audio signal and sends to described audio playing module after signal modulation process;
Described audio playing module carries out playing network audio frequency after fm demodulation to described simulated audio signal.
6. vehicle netbios as claimed in claim 5, it is characterized in that, the process that described digital audio and video signals is converted to simulated audio signal by described FM transmission module after signal modulation process is:
Described digital audio and video signals is obtained simulated audio signal after DSP computing, digital-to-analog conversion and High frequency amplification.
7. vehicle netbios as claimed in claim 5, it is characterized in that, described onboard diagnostic system also comprises memory module, and described core processing device gives described network radio station signal storage in described memory module.
8. a vehicle netbios, is characterized in that: comprise onboard diagnostic system, mobile terminal and cloud data platform;
Described onboard diagnostic system comprises core processor, wireless transport module and FM transmission module;
The network audio that described mobile terminal is selected according to user sends audio selection control command by described wireless transport module to described core processor;
Described core processor receives described audio selection control command, and receive network audio signal by described wireless transport module from cloud data platform according to described audio selection control command, and send to described FM transmission module after converting described network audio signal to digital audio and video signals;
Described FM transmission module converts described digital audio and video signals to simulated audio signal and sends to described mobile terminal after signal modulation process;
Described mobile terminal carries out playing network audio frequency after fm demodulation to described simulated audio signal.
9. vehicle netbios as claimed in claim 8, it is characterized in that, the process that described digital audio and video signals is converted to simulated audio signal by described FM transmission module after signal modulation process is:
Described digital audio and video signals is obtained simulated audio signal after DSP computing, digital-to-analog conversion and High frequency amplification.
10. vehicle netbios as claimed in claim 8, it is characterized in that, described onboard diagnostic system also comprises memory module, and described core processing device gives described network radio station signal storage in described memory module.
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| CN201510259480.8A CN104950872A (en) | 2015-05-20 | 2015-05-20 | Vehicular diagnostic system and vehicular network system |
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| CN105704660A (en) * | 2016-01-06 | 2016-06-22 | 上海德科电子仪表有限公司 | Car networking terminal |
| CN108770080A (en) * | 2018-05-08 | 2018-11-06 | 深圳市亿道数码技术有限公司 | The vehicle-mounted hot point systems of LTE based on MTK platforms |
| CN109624993A (en) * | 2018-11-01 | 2019-04-16 | 深圳华大北斗科技有限公司 | Onboard diagnostic system |
| CN110311745A (en) * | 2019-06-27 | 2019-10-08 | 乐安县云智易联科技有限公司 | The methods, devices and systems in uninterrupted broadcast listening radio station when driving |
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