CN104753621A - Microprocessor, system and method for channel switching of vehicle radio - Google Patents
Microprocessor, system and method for channel switching of vehicle radio Download PDFInfo
- Publication number
- CN104753621A CN104753621A CN201310723402.XA CN201310723402A CN104753621A CN 104753621 A CN104753621 A CN 104753621A CN 201310723402 A CN201310723402 A CN 201310723402A CN 104753621 A CN104753621 A CN 104753621A
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- China
- Prior art keywords
- vehicle
- channel
- current
- broadcasting channel
- microprocessor
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/35—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users
- H04H60/47—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for recognising genres
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/26—Arrangements for switching distribution systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/53—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers
- H04H20/57—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for mobile receivers
Abstract
The invention discloses a microprocessor for channel switching of a vehicle radio. When the quality of a current broadcast signal of a radio becomes poor, the processor inquires a current program type from a broadcast signal frequency band information look-up table on the basis of the frequency of the current broadcast signal, inquires the same kind of broadcast programs consistent with the current program type in an administrative region in which a vehicle is at present from the broadcast signal frequency band information look-up table, and sends out a command related to channel switching of the radio. Correspondingly, the invention also discloses a system and a method for channel switching of the vehicle radio. The microprocessor, method and system are helpful for improving driving safety and comfort.
Description
Technical field
The present invention relates to a kind of radio set for vehicle channel switch microprocessor, system and method, for automatically switching to new broadcasting channel that the broadcast program types listened to driver matches when radio receiver signal Quality Down, especially vehicle sail new administrative area into above or recommending to driver the broadcasting channel that signal quality is good.
Background technology
A lot of people likes listening to radio programs when steering vehicle, and everyone program category of having oneself to like, such as physical culture, music, news, traffic etc.In driving procedure, radio receiver signal quality may decline, and thus driver needs again to search for broadcasting channel.
In addition, when drive through different regional time, due to the restriction of broadcasting station coverage, different regions have oneself broadcasting channel, and the program therefore previously listened to just disappears, and driver needs oneself to search for new broadcasting channel.Sometimes driver needs to search for and just can find the new broadcasting channel liked many times.Such as, driver drives from the first area and arrives the 3rd area through the second area, if so driver needs broadcast listening program always, then needs again to search for broadcasting channel at least twice.
Again search for attentiveness when broadcasting channel can disperse driver, may traffic accident be caused.In addition, driver is unfamiliar with the broadcasting channel sailing area into, especially the area passed of navigation way, and therefore, driver is difficult to be switched to the radio programs type liked immediately.
Summary of the invention
Therefore, the present invention is intended to solve the problem, to drive the local broadcasting channel liked that through different regions, radio set for vehicle automatically switched to driver at radio receiver signal Quality Down, especially or recommend local broadcasting channel to driver.
For this reason, according to an aspect of the present invention, provide a kind of radio set for vehicle channel switch microprocessor, frequency based on current broadcast signal when it is formed at the degradation of broadcast receiver current broadcast signal inquires actual program type from broadcast singal band information is tabled look-up, from described broadcast singal band information is tabled look-up, inquire the similar broadcasting channel consistent with actual program type in the current residing administrative area of vehicle, and send and switch relevant instruction to radio channels.
In described radio set for vehicle channel switch microprocessor, alternatively, described microprocessor causes the degradation determining current broadcast signal when broadcast signal quality declines, especially signal strength weakens when vehicle sails new administrative area into.
In described radio set for vehicle channel switch microprocessor, alternatively, switch relevant instruction for broadcast receiver broadcasting channel is automatically switched to described similar broadcasting channel to radio channels, or described similar broadcasting channel is recommended driver.
In described radio set for vehicle channel switch microprocessor, alternatively, described microprocessor is also configured to only send the instruction automatically switching to described similar broadcasting channel or recommend described similar broadcasting channel to driver when the quality of described similar broadcasting channel is better than the quality of current broadcast signal.
In described radio set for vehicle channel switch microprocessor, alternatively, the quality that described microprocessor is also formed at described similar broadcasting channel sends the instruction recommending other program category broadcasting channel to driver when being inferior to the quality of current broadcast signal.
In described radio set for vehicle channel switch microprocessor, alternatively, previous row administrative division is sailed out of, when sailing new administrative area at vehicle, in the overlapping region between the broadcasting channel coverage and the broadcasting channel coverage in new administrative area of previous row administrative division, described microprocessor sends and switches relevant instruction to radio channels.
In described radio set for vehicle channel switch microprocessor, alternatively, the current residing administrative area of the described microprocessor current vehicle position determination vehicle that is configured to detect according to the administrative map data stored in numerical map and Vehicle positioning system.
According to an aspect of the present invention, provide a kind of radio set for vehicle channel switchover system, it comprises foregoing radio set for vehicle channel switch microprocessor, and the locating module, broadcast signal detection module, signal message memory module and the command output module that are connected with described microprocessor respectively;
Described locating module is configured to obtain administrative map data and current vehicle position;
Described broadcast signal detection module is configured to the frequency and the quality that detect radio signal;
Described signal message memory module comprises broadcast singal band information and tables look-up, and described broadcast singal band information comprises frequency and the program category of the broadcasting channel in each administrative area in tabling look-up;
Frequency based on current broadcast signal when described microprocessor is formed at the degradation of current broadcast signal inquires actual program type from described broadcast singal band information is tabled look-up, from described broadcast singal band information is tabled look-up, inquire the similar broadcasting channel consistent with actual program type in the current residing administrative area of vehicle, and send through described command output module and switch relevant instruction to radio channels.
Described sound machine channel switchover system can be integrated in the navigation system of vehicle, and is connected with the Radio system of vehicle.
According to an aspect of the present invention, provide a kind of radio set for vehicle channel switching method, comprise the steps:
Obtain broadcast receiver current broadcast channel information and signal quality;
When current broadcast signal degradation, according to administrative area data and the current residing administrative area of current vehicle position determination vehicle;
Search broadcast singal band information is tabled look-up, to find similar broadcasting channel consistent with actual program type in the current residing administrative area of vehicle;
Broadcast receiver broadcasting channel is automatically switched to described similar broadcasting channel, or described similar broadcasting channel is recommended driver.
According to the present invention, radio set for vehicle signal quality decline, especially vehicle sails different regions into time, driver can listen to the broadcast program of certain type that it is liked continuously, or directly selects the broadcasting channel of recommendation, and need not search for new broadcasting channel.Like this, the fail safe in driving and comfortableness can improve.
Accompanying drawing explanation
Aforementioned and other side of the present invention is more completely understood by detailed introduction done with reference to the accompanying drawings and is understood, wherein:
Fig. 1 is the schematic diagram of the broadcasting channel coverage of the different regions of steering vehicle process;
Fig. 2 is the schematic block diagram of the radio set for vehicle channel switchover system according to a kind of embodiments possible of the present invention;
Fig. 3 is the flow chart of the radio set for vehicle channel switchover system according to a kind of embodiments possible of the present invention.
Embodiment
Embodiments possible of the present invention is described with reference to the accompanying drawings.
Fig. 1 is the schematic map in some areas that vehicle will pass through, show in figure and border on each other and the first regional A1, the second regional A2 and the 3rd regional A3 that are passed successively by the highway shown in heavy line, these areas (administrative area) have respective broadcasting channel (such as FM frequency range) coverage respectively, i.e. the first scope C1, the second scope C2, the 3rd scope C3.Namely have respectively in figure with the overlay region that hacures represent between the first scope C1 and the second scope C2, between the second scope C2 and the 3rd scope C3.
Assuming that driver vehicle travels from the first regional A1 towards the 3rd regional A3, and in the first regional A1, certain in the first scope C1 channel of liking is listened to radio set for vehicle, so, after sailing the second regional A2 into, vehicle enters the overlay region between the first scope C1 and the second scope C2, the signal of the channel in the first scope C1 listened to will weaken gradually, and after sailing out of this overlay region, the blackout of the channel in the first scope C1, driver is as listened to station broadcast for continuing, need certain channel broadcasting of radio set for vehicle be switched in the second scope C1.In addition, even within certain area, also may decline in radio receiver signal quality, driver may need again to search for broadcasting channel.The present invention is intended to realize Auto broadcast channel switch.
For this reason, shown in Figure 2 according to the radio set for vehicle channel switchover system of a kind of embodiments possible of the present invention, it mainly comprises processing module 1, and the locating module 2, broadcast signal detection module 3, signal message memory module 4 and the command output module 5 that are connected with processing module 1 respectively.Here, " connection " refer to the connection that the carried out signal that realized by hardware (such as circuit) and/or software or data are transmitted.
Locating module 2 is for determining the current location of driving vehicle and obtaining administrative map data.
Specifically, the current location of vehicle realizes by Vehicle positioning system, such as GNSS(GPS (Global Position System)), include but not limited to GPS(american global positioning system), Beidou(China Beidou satellite navigation system), Glonass(Russia GPS (Global Position System)), Galileo(European Galileo satellite navigation system) etc.Locating module 2 can receive the information of current vehicle position from Vehicle positioning system.
Administrative map data can be stored in the numerical map of Vehicular navigation system.
Processing module 1 can obtain current vehicle position and administrative map data from locating module 2, determines the current residing administrative area of vehicle thus.Specifically, by the current vehicle position determined is matched with in administrative map data, can judges that vehicle is current and be in which administrative area.
Broadcast signal detection module 3, for obtaining the characteristic of the current broadcast signal listened to, comprises signal frequency, intensity etc.
Specifically, broadcast signal detection module 3 is registered the current broadcast signal from broadcast receiving aerial, and detects frequency and the quality of signal.
Processing module 1 obtains the information such as frequency and quality of current broadcast signal from broadcast signal detection module 3.
This signal message memory module 4 comprises broadcast singal band information and tables look-up, this comprises the following information relevant to each broadcasting channel in administrative area, place in tabling look-up: channel sequence number, frequency, channel designation, program category (physical culture, music, news, traffic etc.), etc.
The frequency of the current broadcast signal of acquisition is sent in signal message memory module 4 by processing module 1, can inquire administrative area, current broadcast signal place.
In processing module 1, the quality of current broadcast signal is detected.If judge the quality good (such as field intensity is enough) of current broadcast signal, then the frequency maintaining current broadcast signal is constant.If the degradation of current broadcast signal (such as field intensity is not enough), then first processing module 1 inquires the program category corresponding with the frequency of current broadcast signal from the broadcast singal band information of signal message memory module 4 is tabled look-up, then from described broadcast singal band information is tabled look-up, inquire the similar broadcasting channel new with current broadcasting program type in the current residing administrative area of vehicle, and judge that whether the quality of new similar broadcasting channel is good based on the signal accepted from broadcast receiving aerial.After processing module 1 judges the degradation of current broadcast signal and the quality inquiring new similar broadcasting channel is better than the quality of current broadcast signal, then export by command output module 5 instruction that radio channels switches.Radio channels can be automatically switched to certain the new similar broadcasting channel in the current residing administrative area of vehicle by this instruction.Certainly, if the quality of the new similar broadcasting channel inquired is still not as the quality of current broadcast signal, then do not switch radio channels, or recommend non-similar broadcasting channel new in the current residing administrative area of vehicle to driver.
New similar broadcasting channel in current residing administrative area can be one or more.When multiple, the broadcast program of radio set for vehicle can be switched to the most close new similar broadcasting channel by radio channels switched system, and the similar broadcasting channel that all the other can be recommended new is as alternative.Recommendation information can provide on the display screen of sound system or navigation system.
Get back to Fig. 1, can find out, in the vehicle being provided with radio channels switched system of the present invention, when vehicle leaves the first regional A1 and sails the second regional A2 into, in overlapping region between the first scope C1 and the second scope C2, automatically can realize the broadcast program of radio set for vehicle from certain channel switch the first regional A1 to the channel of certain the similar program in the second regional A2.When vehicle continues to travel and leaves the second regional A2 and sail the 3rd regional A3 into, in overlapping region between the second scope C2 and the 3rd scope C3, automatically can realize the broadcast program of radio set for vehicle from certain channel switch the second regional A2 to the channel of certain the similar program in the 3rd regional A3.
Radio channels switched system of the present invention can be integrated in the navigation system of vehicle, and is connected with the Radio system of vehicle.
Be appreciated that previously described example is only one of many embodiments possible of vehicle according to the invention radio channels switched system.Based on basic thought of the present invention, remodeling miscellaneous can be envisioned.
Be further appreciated that described processing module 1(alternatively, add one or more module in locating module 2, broadcast signal detection module 3, signal message memory module 4 and command output module 5) radio set for vehicle channel switch microprocessor can be constructed to.
The invention still further relates to a kind of radio set for vehicle channel switching method, it can implement in radio set for vehicle channel switchover system of the present invention, also can implement in the radio set for vehicle channel switchover system of other type.
A kind of embodiments possible of vehicle according to the invention radio channels changing method has been shown in Fig. 3, and the method comprises the following steps.
In step S1, start this radio set for vehicle channel switching method.
Next, in step S2, obtain broadcast receiver current broadcast channel information (especially frequency, program category etc.) and signal quality (especially field intensity), such as, utilize aforementioned broadcast signal detection module 3.
Next, in step S3, judge that whether current broadcast signal quality is good.If judged result is "Yes", then forward step S4 to, maintain current broadcasting channel, then return step S2; If judged result is "No", then forward step S5 to, determine the current residing administrative area of vehicle according to administrative map data (such as, being stored in Vehicular navigation system) and current vehicle position (such as being obtained by aforementioned locating module 2).
Next, in step S6, search broadcast singal band information is tabled look-up (such as, being stored in aforementioned signal information storage module 4), so that each broadcasting channel in the current residing administrative area of enquiring vehicle.
Next, in step S7, be current broadcast channel type by broadcasting channel type matching, namely from the current residing administrative area of vehicle, select one or more channels identical or close with current broadcasting program type in each broadcasting channel.
Next, in step S8, judge that whether the new broadcasting channel quality selected is good.If judged result is "No", then forward step S9 to, the measured broadcasting channel of matter of other type in each broadcasting channel in current for vehicle residing administrative area is recommended driver, then returns step S2; If judged result is "Yes", then forward step S10 to, current broadcast channel automatically switched to new broadcasting channel or new broadcasting channel is recommended driver, then returning step S2.
Be appreciated that according to general principle of the present invention, various amendment can be made to each step of said method.
Vehicle according to the invention radio channels switches with microprocessor, system and method, radio receiver signal Quality Down, especially vehicle sails different regions into time, driver can listen to the broadcast program of certain type that it is liked continuously, or directly select the broadcasting channel of recommendation, and broadcasting channel need not be searched for artificially.Like this, drive safety and comfortableness can improve greatly.
Although described some execution mode, these execution modes have only proposed as an example, and are not intended to limit the scope of the application.Appended claim and their equivalent intention contain belong to the application's scope and spirit all modifications, replacement and change.
Claims (10)
1. a radio set for vehicle channel switch microprocessor, frequency based on current broadcast signal when it is formed at the degradation of broadcast receiver current broadcast signal inquires actual program type from broadcast singal band information is tabled look-up, from described broadcast singal band information is tabled look-up, inquire the similar broadcasting channel consistent with actual program type in the current residing administrative area of vehicle, and send and switch relevant instruction to radio channels.
2. radio set for vehicle channel switch microprocessor as claimed in claim 1, wherein, described microprocessor causes the degradation determining current broadcast signal when broadcast signal quality declines, especially signal strength weakens when vehicle sails new administrative area into.
3. radio set for vehicle channel switch microprocessor as claimed in claim 1 or 2, wherein, switch relevant instruction for broadcast receiver broadcasting channel is automatically switched to described similar broadcasting channel to radio channels, or described similar broadcasting channel is recommended driver.
4. radio set for vehicle channel switch microprocessor as claimed in claim 3, wherein, described microprocessor is also configured to only send the instruction automatically switching to described similar broadcasting channel or recommend described similar broadcasting channel to driver when the quality of described similar broadcasting channel is better than the quality of current broadcast signal.
5. radio set for vehicle channel switch microprocessor as claimed in claim 4, wherein, the quality that described microprocessor is also formed at described similar broadcasting channel sends the instruction recommending other program category broadcasting channel to driver when being inferior to the quality of current broadcast signal.
6. the radio set for vehicle channel switch microprocessor according to any one of claim 1 to 5, wherein, previous row administrative division is sailed out of, when sailing new administrative area at vehicle, in the overlapping region between the broadcasting channel coverage and the broadcasting channel coverage in new administrative area of previous row administrative division, described microprocessor sends and switches relevant instruction to radio channels.
7. the radio set for vehicle channel switch microprocessor according to any one of claim 1 to 6, wherein, the current residing administrative area of the described microprocessor current vehicle position determination vehicle that is configured to detect according to the administrative map data stored in numerical map and Vehicle positioning system.
8. a radio set for vehicle channel switchover system, comprise the radio set for vehicle channel switch microprocessor according to any one of claim 1 to 7, and the locating module, broadcast signal detection module, signal message memory module and the command output module that are connected with described microprocessor respectively;
Described locating module is configured to obtain administrative map data and current vehicle position;
Described broadcast signal detection module is configured to the frequency and the quality that detect radio signal;
Described signal message memory module comprises broadcast singal band information and tables look-up, and described broadcast singal band information comprises frequency and the program category of the broadcasting channel in each administrative area in tabling look-up;
Frequency based on current broadcast signal when described microprocessor is formed at the degradation of current broadcast signal inquires actual program type from described broadcast singal band information is tabled look-up, from described broadcast singal band information is tabled look-up, inquire the similar broadcasting channel consistent with actual program type in the current residing administrative area of vehicle, and send through described command output module and switch relevant instruction to radio channels.
9. the radio set for vehicle channel switchover system according to any one of claim 1 to 8, wherein, described sound machine channel switchover system is integrated in the navigation system of vehicle, and is connected with the Radio system of vehicle.
10. a radio set for vehicle channel switching method, comprises the steps:
Obtain broadcast receiver current broadcast channel information and signal quality;
When current broadcast signal degradation, according to administrative area data and the current residing administrative area of current vehicle position determination vehicle;
Search broadcast singal band information is tabled look-up, to find similar broadcasting channel consistent with actual program type in the current residing administrative area of vehicle;
Broadcast receiver broadcasting channel is automatically switched to described similar broadcasting channel, or described similar broadcasting channel is recommended driver.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310723402.XA CN104753621A (en) | 2013-12-25 | 2013-12-25 | Microprocessor, system and method for channel switching of vehicle radio |
| DE102014224824.8A DE102014224824A1 (en) | 2013-12-25 | 2014-12-04 | Microprocessor, system and method for switching a frequency channel of a vehicle radio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310723402.XA CN104753621A (en) | 2013-12-25 | 2013-12-25 | Microprocessor, system and method for channel switching of vehicle radio |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104753621A true CN104753621A (en) | 2015-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310723402.XA Pending CN104753621A (en) | 2013-12-25 | 2013-12-25 | Microprocessor, system and method for channel switching of vehicle radio |
Country Status (2)
| Country | Link |
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| CN (1) | CN104753621A (en) |
| DE (1) | DE102014224824A1 (en) |
Citations (6)
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| JP2002290359A (en) * | 2001-03-27 | 2002-10-04 | Just Syst Corp | Two-way broadcast system, information collection device and method, broadcast program receiver and method, and program |
| CN101114837A (en) * | 2006-07-28 | 2008-01-30 | 佛山市顺德区顺达电脑厂有限公司 | Wireless receiver and method thereof |
| CN101888685A (en) * | 2009-05-12 | 2010-11-17 | 上海晨兴希姆通电子科技有限公司 | Automatic channel selection module for radio and channel selection method thereof |
| CN102118208A (en) * | 2009-12-31 | 2011-07-06 | 上海博泰悦臻电子设备制造有限公司 | Frequency modulation broadcast receiving terminal and frequency modulation broadcast receiving method |
| CN102324993A (en) * | 2011-06-02 | 2012-01-18 | 四川长虹佳华信息产品有限责任公司 | Transregional automatic radio station switching method for vehicle-mounted radio |
| CN103095388A (en) * | 2012-12-30 | 2013-05-08 | 惠州华阳通用电子有限公司 | Method and device for radio station automatic switchover and vehicle-mounted information entertainment system |
-
2013
- 2013-12-25 CN CN201310723402.XA patent/CN104753621A/en active Pending
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2014
- 2014-12-04 DE DE102014224824.8A patent/DE102014224824A1/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002290359A (en) * | 2001-03-27 | 2002-10-04 | Just Syst Corp | Two-way broadcast system, information collection device and method, broadcast program receiver and method, and program |
| CN101114837A (en) * | 2006-07-28 | 2008-01-30 | 佛山市顺德区顺达电脑厂有限公司 | Wireless receiver and method thereof |
| CN101888685A (en) * | 2009-05-12 | 2010-11-17 | 上海晨兴希姆通电子科技有限公司 | Automatic channel selection module for radio and channel selection method thereof |
| CN102118208A (en) * | 2009-12-31 | 2011-07-06 | 上海博泰悦臻电子设备制造有限公司 | Frequency modulation broadcast receiving terminal and frequency modulation broadcast receiving method |
| CN102324993A (en) * | 2011-06-02 | 2012-01-18 | 四川长虹佳华信息产品有限责任公司 | Transregional automatic radio station switching method for vehicle-mounted radio |
| CN103095388A (en) * | 2012-12-30 | 2013-05-08 | 惠州华阳通用电子有限公司 | Method and device for radio station automatic switchover and vehicle-mounted information entertainment system |
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| Publication number | Publication date |
|---|---|
| DE102014224824A1 (en) | 2015-06-25 |
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