CN107786219A - The control system and player method that vehicle-mounted radio continuously plays - Google Patents
The control system and player method that vehicle-mounted radio continuously plays Download PDFInfo
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- CN107786219A CN107786219A CN201610725589.0A CN201610725589A CN107786219A CN 107786219 A CN107786219 A CN 107786219A CN 201610725589 A CN201610725589 A CN 201610725589A CN 107786219 A CN107786219 A CN 107786219A
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- vehicle
- data communication
- gps
- radio
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- 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
- H04B1/16—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H40/00—Arrangements specially adapted for receiving broadcast information
Abstract
The control system and player method that vehicle-mounted radio continuously plays, belong to car-mounted terminal field, for solve the problems, such as driver close down due to radio signals are weak and occur play noise vehicle-mounted radio when and caused driving safety, technical essential are：The vehicle data communication gate has memory, storage vehicle data communication gate passes through network-caching or the audio program information of download, the GPS information of d GPS locating module collection vehicle, and obtain the signal-tonoise information in GPS information, being allowed to compare with the signal-noise ratio threshold value of setting to obtain control signal, makes loudspeaker play audio corresponding to the audio program information downloaded.Effect is：Drive into building and switch to network audio program to play, sail out of building and switch back into the broadcasting of radio content, whole process is automatically performed, without driver's manual intervention.
Description
Technical field
The invention belongs to car-mounted terminal field, it is related to the control system and method for a kind of vehicle-mounted radio.
Background technology
Vehicle-mounted radio, it is the important component of vehicle-mounted information and entertainment system, the standard configuration of most automobiles, is driver
The traffic real-time road condition information of voice entertainment information, particularly each place is provided in way is driven all by broadcasting station to vast
Driver is issued.Vehicle-mounted radio is arranged on the fixed mount of middle control operating desk, because the metal shell of automobile is to broadcast electricity
The radio signal of platform has shielding action, the outer broadcast singal for drawing antenna and receiving broadcasting station of vehicle-mounted radio, when vehicle is sailed
When entering to have the building of blocking property, such as when underground parking or tunnel, radio can not be continued to broadcasting station
Broadcast singal, commence play out noise, disperse the notice of driver, traffic safety is impacted, with the construction in city,
Large tunnel, Large Underground parking lot are more and more, and time that vehicle travels between floors increases, traditional radio without
Method meets the needs of modern life.
The content of the invention
There is playing noise because the radio signals of reception are weak in vehicle-mounted radio, is being closed down to solve driver due to electricity
Platform signal is weak and caused driving safety problem when there is the vehicle-mounted radio for playing noise, and the invention provides a kind of vehicle-mounted
The control system and player method that radio continuously plays, to realize the audio played in the weak place of signal to noise ratio, handoff radio
Program, the audio program for playing caching or downloading close down radio station without driver.
To achieve these goals, the main points of technical solution of the present invention are：
The control system that a kind of vehicle-mounted radio continuously plays, including vehicle-mounted radio, loudspeaker, vehicle data communication network
Pass, d GPS locating module and speaker controller, speaker controller connect the speaker interface of vehicle-mounted radio by wire harness,
The vehicle data communication gate has memory, and storage vehicle data communication gate passes through network-caching or the audio section of download
Mesh information, the GPS information of d GPS locating module collection vehicle, and the signal-tonoise information in GPS information is obtained, it is allowed to and setting
Signal-noise ratio threshold value, which compares, to obtain control signal, makes loudspeaker play audio corresponding to the audio program information downloaded.
Such scheme, there is following beneficial effect：
Driver's manual operation is reduced, improves drive safety：Drive into building and switch to network audio program to play,
Sail out of building and switch back into the broadcasting of radio content, whole process is automatically performed, without driver's manual intervention.Reduction is driven
The person of sailing operates the number of radio under steam, reduces and drives risk and contingency occurrence probability.
The time is made full use of, obtains more information：It can have been driven into the building blocked, cut with accurate judgement vehicle
It is changed to network-caching audio content to play out, while eliminating the noise that radio is played by loudspeaker, continuously plays sound
Frequency program, makes full use of chip time, understands more information.
Compatibility is good：It is generally applicable to the vehicle-mounted radio of various models.
Brief description of the drawings
Fig. 1 is the composition frame chart of prior art.
Fig. 2 is present system composition frame chart.
Fig. 3 is the schematic flow sheet of the present invention.
Embodiment
Embodiment 1：
Vehicle-mounted radio of the prior art, has the disadvantages that：
Manual operation is frequent：Existing vehicle-mounted radio runs into vehicle and drives into the letter that broadcasting station is can not receive when in building
Number, vehicle-mounted radio still plays noise by loudspeaker, influences the notice of driver, it is necessary to which manual operation volume knob drops
The noise of low radio, some vehicle entertainment systems support the audios such as broadcasting CD, MP3, USB storage, can not in vehicle-mounted radio
When receiving the signal in broadcasting station, it is also desirable to increase manual operation, entertainment systems are switched to and play CD, MP3, USB storage
Etc. content, after vehicle sails out of building, in order to continue the information such as the real-time road of broadcast listening radio station broadcasting, again by artificial
Operation, switches to radio receiver mode by vehicle entertainment system and tunes up the volume of radio, so add the operation of driver
Number, add driving risk.
Inaccuracy, still there is noise：The method of existing vehicle-mounted radio control volume is generally based on detection radio
Whether the signal in the broadcasting station received is noise signals, so as to which the volume of radio be adjusted.This method
Radio noise can not accurately be turned off, radio can also play the white noise of amount of bass, and existing vehicle entertainment system needs
Mode switch modes manually, do not possess the function of automatic switchover play mode.
Poor compatibility：The detection circuit of the method for existing vehicle-mounted radio control volume is located inside vehicle-mounted radio,
Poor compatibility, the vehicle-mounted radio of Multiple Type can not be applied to.
Therefore, the control system that the present embodiment will provide a kind of vehicle-mounted radio and continuously play, to solve the above problems.
The system includes vehicle-mounted radio, loudspeaker, vehicle data communication gate, d GPS locating module and loudspeaker control
Device, speaker controller connect the speaker interface of vehicle-mounted radio by wire harness, and the vehicle data communication gate, which has, to be deposited
Reservoir, storage vehicle data communication gate pass through network-caching or the audio program information of download, d GPS locating module collection vehicle
GPS information, and obtain the signal-tonoise information in GPS information, be allowed to compare to be controlled with the signal-noise ratio threshold value set
Signal, loudspeaker is set to play audio corresponding to the audio program information downloaded.
As a kind of embodiment, GPS information is received by vehicle data communication gate, and detect the signal to noise ratio in GPS information
Information, when GPS signal to noise ratio is less than signal-noise ratio threshold value set in advance, vehicle data communication gate sends control signal to raising
Sound device controller, switching loudspeaker play caching or the audio program downloaded in the memory of vehicle data communication gate, work as GPS
When signal to noise ratio is higher than threshold value set in advance, vehicle data communication gate sends control signal to speaker controller, control
Loudspeaker switches to the audio for playing radio.
It is described when GPS signal to noise ratio is higher than threshold value set in advance, vehicle data communication gate controls audio simultaneously
Caching or the audio program downloaded, at recording played time point, treat to continue to play next time in player pause playout storage.
The vehicle data communication gate, including modem, router and access point, modem is by access
Mobile communications network wireless signal is converted to the WIFI wireless signals of WLAN, for the shared movement simultaneously of multiple wireless terminals
Wireless network.
The present embodiment, install the vehicle data communication network containing speaker controller additional among vehicle-mounted radio and loudspeaker
Close, the automatic buffer network audio content of vehicle data communication gate, whether vehicle data communication gate is by judging GPS signal to noise ratio
Method less than threshold value in a disguised form judges that vehicle drives into/sailed out of the buildings such as underground parking and tunnel, vehicle data communication network
Close by the play mode of speaker controller automatic switchover loudspeaker, this method can with accurate judgement switch modes when
Between point, can reduce vehicle-mounted radio play noise while, make full use of fragmentation time play network audio content, make
Driver obtains more information, reduces the number of the manually operated radio of driver, so as to increase drive safety, reduces and hands over
The probability of happening of interpreter's event.
Vehicle data communication gate controls the network audio content played also to have break-point continuous playing by speaker controller
Function, when each vehicle is driven into building, the time point played automatically from last time continues to play network audio content.
As a kind of embodiment, present embodiment discloses a kind of method that vehicle-mounted radio continuously plays, using above-mentioned
The control system that any number of vehicle-mounted radio continuously plays, comprises the following steps：
S1：GPS module initializes；
S2：Vehicle data communication gate opens loudspeaker by speaker controller, switches to radio play mode；
S3：Vehicle data communication gate is by network-caching or downloads network audio program to the memory of inside；
S4：Vehicle data communication gate reads GPS signal to noise ratio；
S5：Judge whether GPS signal to noise ratio is less than threshold value；
S6：GPS signal to noise ratio is less than threshold value, and vehicle data communication gate switches to network audio by speaker controller
Caching downloads play mode.
As another embodiment, present embodiment discloses a kind of method that vehicle-mounted radio continuously plays, vehicle-mounted radio
When audio program is put in machine sowing, vehicle data communication gate caching or download network audio, GPS location information is gathered in real time, and sentence
Whether disconnected GPS signal to noise ratio be less than threshold value, and during less than threshold value, speaker controller switches the play mode of loudspeaker, broadcasting
Caching downloads network audio program.Until GPS signal to noise ratio is higher than threshold value, speaker controller switches the broadcasting mould of loudspeaker
Formula, play the audio of radio.It is described when GPS signal to noise ratio is higher than threshold value set in advance, vehicle data communication gate
Caching or the audio program downloaded in audio player pause playout storage are controlled simultaneously, at recording played time point, treat next time
Continue to play.
Embodiment 2：As the supplement of 1 each technical scheme of embodiment, present embodiment discloses a kind of vehicle-mounted radio is continuous
The control system of broadcasting, the hardware unit being related to consist of the following components：Vehicle-mounted radio, loudspeaker, vehicle data communication
Gateway.Vehicle-mounted radio, the important component of vehicle-mounted information and entertainment system, the standard configuration of most automobiles, driven for driver
The traffic real-time road condition information that voice entertainment information, particularly each place are provided in way is sailed all by broadcasting station to numerous drivers
Issued.Vehicle-mounted radio is arranged on the fixed mount of middle control operating desk, and the vehicle-mounted radio back side has multi-channel loudspeaker to connect
Line terminals, power supply terminal, antenna terminal etc..Contain speaker controller, GPS module, memory, sound in vehicle data communication gate
Frequency player, mobile communication module, modem, router and access point, modem is by the mobile radio communication of access
Network wireless signal is converted to the WIFI wireless signals of WLAN, shares mobile wireless network simultaneously for multiple wireless terminals.
Vehicle data communication gate hides installation in the car, and speaker controller connects vehicle-mounted radio by special wire harness
The speaker interface and loudspeaker at the back side.While vehicle data communication gate reads GPS module location information, GPS is monitored
The signal-tonoise information of module.Vehicle data communication gate downloads audio program information by network to the memory of inside automatically
In, the audio program can be decoded by audio player, exported by speaker controller and carried out to the loudspeaker of vehicle
Play.
The control method that described vehicle-mounted radio continuously plays is that vehicle data communication gate is downloaded automatically by network
Audio program information, it is cached in the memory of inside, GPS information is received by vehicle data communication gate, detected in GPS information
Signal to noise ratio, when GPS signal to noise ratio is less than threshold value set in advance, vehicle data communication gate is cut by speaker controller
Change loudspeaker and play the audio program cached in vehicle data communication gate internal memory, when GPS signal to noise ratio is higher than door set in advance
During limit value, the control audio player pause of vehicle data communication gate plays the audio program that caches in internal memory, during recording played
Between point, treat to continue to play next time, vehicle data communication gate pass through speaker controller switch loudspeaker play radio play
Content.
When vehicle drives into underground parking, or during tunnel, the light injected in driver's eye can suddenly change, at the same time
Radio does not receive the signal from broadcasting station, commences play out noise, and generally driver is in order to reduce radio
Noise, it is necessary to which regulation radio volume either closes radio or manual switching and plays CD, MP3, USB and stores etc. rapidly
Content, when vehicle sails out of underground parking or tunnel, driver's manual switching play mode again, continue to listen to radio reception machine sowing
The content put, such operation certainly will increase the unfamiliar driver of driving risk, particularly vehicle condition, it is in particular possible to occur looking for not
To volume adjustment knob and mode switch button and in a rush situation.
The control method and the vehicle of system that vehicle-mounted radio described in installation the present embodiment continuously plays, when vehicle drives into
When underground parking and tunnel, because GPS signal to noise ratio is less than threshold value, vehicle data communication gate by speaker controller from
Dynamic switching loudspeaker plays the audio program cached in vehicle data communication gate internal memory, reaches the continuous effect for playing audio program
Fruit, when vehicle sails out of underground parking or tunnel, the control audio player pause of vehicle data communication gate is played in internal memory
The audio program of caching, at recording played time point, treat to continue to play next time, vehicle data communication gate passes through speaker controller
Switch loudspeaker and play radio broadcasting content, make driver continue to listen to the real-time road condition information and audio section of radio broadcasting
Mesh.Whole process is automatically performed, and without driver's manual intervention, loudspeaker plays content and automatically switched, continuous to play, and reduction is driven
The person of sailing operates the number of radio under steam, reduces and drives risk and contingency occurrence probability, takes full advantage of during the journey
Chip time, network audio information and wireless broadcast information are listened to, avoid the possibility that noise is played in loudspeaker.
GPS information is constantly sent to vehicle data communication gate, GPS information by d GPS locating module by data-interface
In include the signal to noise ratio of GPS receiver signal, belong to data signal, when vehicle traveling is on open highway, often GPS signal to noise ratio
It is higher, while the GPS information of multi-satellite can be received, but when vehicle drives into underground parking and tunnel, due to gps signal
It is high frequency radio wave, can decays rapidly in underground parking and tunnel, the signal to noise ratio of GPS module declines rapidly, and phenomenon is bright
Aobvious, vehicle data communication gate is easy to judge that vehicle has been driven into the building blocked according to GPS signal to noise ratio.
Referring to Fig. 3, as a kind of method of embodiment, comprise the following steps：
S1：GPS module initializes；
S2：Vehicle data communication gate opens loudspeaker by speaker controller, switches to radio play mode；
S3：Vehicle data communication gate passes through network-caching network audio program to internal storage；
S4：Vehicle data communication gate reads GPS signal to noise ratio；
S5：Judge whether GPS signal to noise ratio is less than threshold value；
S6：GPS signal to noise ratio is less than threshold value, and vehicle data communication gate switches to network audio by speaker controller
Cache play mode；
By above-described embodiment 1 and as each scheme in the embodiment 2 of its supplemental content, described system and method,
Have the following effects that：
Driver's manual operation is reduced, improves drive safety：Due to switching to network audio program to play and switch back into
The operation that radio content plays is that the signal to noise ratio of GPS module is judged by vehicle data communication gate, so as to control
Speaker controller, it is automatically performed by equipment, without manual operation, so the radio control method of the present invention can be reduced
Driver's manual operation, improve drive safety.
The time is made full use of, obtains more information：Because the present embodiment is by judging the method for GPS signal to noise ratio, so as to examine
Measuring car is driven into building, and GPS signal to noise ratio is digitized signal, and vehicle is driven into building, and GPS signal to noise ratio reduces aobvious
Writing, after vehicle sails out of building, GPS signal to noise ratio significantly improves, therefore the time that can be driven into accurate judgement vehicle in building,
Network audio programme content is played out in the time of these fragmentations, after vehicle sails out of building, network audio content
Pause is played, treats that next vehicle drives into the follow-up continued broadcasting of building and puts network audio content again, therefore, former radio can be utilized
The time slot of noise is played, continual broadcasting network audio programme information, reaches and makes full use of the time, obtain more information
Purpose.
Compatibility is good：The present embodiment switches the pattern of loudspeaker broadcasting by speaker controller, and speaker controller exists
The outside of original-pack vehicle-mounted radio, speaker controller play a part of switch mode switch, use the controlling party of the present embodiment
Method need not change the circuit and in house software of original-pack vehicle-mounted radio, it is only necessary to installed additional outside vehicle-mounted radio and contain loudspeaker
The vehicle data communication gate of controller, therefore, the vehicle-mounted radio of most models can be adapted to.
It is described above, the only preferable embodiment of the invention, but the protection domain of the invention is not
This is confined to, any one skilled in the art is in the technical scope that the invention discloses, according to the present invention
The technical scheme of creation and its inventive concept are subject to equivalent substitution or change, should all cover the invention protection domain it
It is interior.
Claims (8)
1. the control system that a kind of vehicle-mounted radio continuously plays, including vehicle-mounted radio, loudspeaker, vehicle data communication network
Pass, d GPS locating module and speaker controller, speaker controller connect the speaker interface of vehicle-mounted radio by wire harness,
The vehicle data communication gate has memory, and storage vehicle data communication gate passes through network-caching or the audio section of download
Mesh information, the GPS information of d GPS locating module collection vehicle, and the signal-tonoise information in GPS information is obtained, it is allowed to and setting
Signal-noise ratio threshold value, which compares, to obtain control signal, makes loudspeaker play audio corresponding to the audio program information downloaded.
2. the control system that vehicle-mounted radio as claimed in claim 1 continuously plays, it is characterised in that communicated by vehicle data
Gateway receives GPS information, and detects the signal-tonoise information in GPS information, when GPS signal to noise ratio is less than signal to noise ratio door set in advance
During limit value, vehicle data communication gate sends control signal to speaker controller, switching loudspeaker and plays vehicle data communication
Caching or the audio program downloaded in the memory of gateway, when GPS signal to noise ratio is higher than threshold value set in advance, vehicle data
Communication gate sends control signal to speaker controller, and controlling loudspeaker switches to the audio for playing radio.
3. the control system that vehicle-mounted radio as claimed in claim 2 continuously plays, it is characterised in that the described GPS that works as believes
When making an uproar than higher than threshold value set in advance, vehicle data communication gate controls in audio player pause playout storage simultaneously
Caching or the audio program downloaded, at recording played time point, treat to continue to play next time.
4. the control system that the vehicle-mounted radio as described in claim 1 or 2 or 3 continuously plays, it is characterised in that the vehicle
Data communication network closes, including modem, router and access point, modem are wireless by the mobile communications network of access
Signal is converted to the WIFI wireless signals of WLAN, shares mobile wireless network simultaneously for multiple wireless terminals.
5. a kind of method that vehicle-mounted radio continuously plays, it is characterised in that usage right requires any described car in 1-4
The control system that radio continuously plays is carried, is comprised the following steps：
S1：GPS module initializes；
S2：Vehicle data communication gate opens loudspeaker by speaker controller, switches to radio play mode；
S3：Vehicle data communication gate is by network-caching or downloads network audio program to the memory of inside；
S4：Vehicle data communication gate reads GPS signal to noise ratio；
S5：Judge whether GPS signal to noise ratio is less than threshold value；
S6：GPS signal to noise ratio is less than threshold value, and vehicle data communication gate switches to network audio to cache by speaker controller
Or download play mode.
6. a kind of method that vehicle-mounted radio continuously plays, it is characterised in that when vehicle-mounted radio plays audio program, vehicle number
Network audio is cached or downloaded according to communication gate, gathers GPS location information in real time, and judge whether GPS signal to noise ratio is less than thresholding
Value, during less than threshold value, speaker controller switches the play mode of loudspeaker, plays caching or downloads network audio program.
7. the method that vehicle-mounted radio as claimed in claim 6 continuously plays, it is characterised in that until GPS signal to noise ratio is higher than
Threshold value, speaker controller switch the play mode of loudspeaker, play the audio of radio.
8. the method that vehicle-mounted radio as claimed in claim 7 continuously plays, it is characterised in that described works as GPS signal to noise ratio
During higher than threshold value set in advance, vehicle data communication gate controls simultaneously to be cached in audio player pause playout storage
Or the audio program downloaded, at recording played time point, treat to continue to play next time.
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| CN201610725589.0A CN107786219A (en) | 2016-08-25 | 2016-08-25 | The control system and player method that vehicle-mounted radio continuously plays |
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| CN201610725589.0A CN107786219A (en) | 2016-08-25 | 2016-08-25 | The control system and player method that vehicle-mounted radio continuously plays |
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| CN201610725589.0A Pending CN107786219A (en) | 2016-08-25 | 2016-08-25 | The control system and player method that vehicle-mounted radio continuously plays |
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| CN109450580A (en) * | 2018-12-28 | 2019-03-08 | 斑马网络技术有限公司 | Vehicle-mounted radio control method, device, vehicle-mounted radio and vehicle |
| CN110620600A (en) * | 2019-09-11 | 2019-12-27 | 华为技术有限公司 | Vehicle-mounted radio and control method |
| CN113285729A (en) * | 2021-06-09 | 2021-08-20 | 东风柳州汽车有限公司 | Method, device and equipment for adjusting playing state of vehicle-mounted radio and storage medium |
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Application publication date: 20180309 |