CN108390684A - Vehicle-mounted radio and control method - Google Patents
Vehicle-mounted radio and control method Download PDFInfo
- Publication number
- CN108390684A CN108390684A CN201810235538.9A CN201810235538A CN108390684A CN 108390684 A CN108390684 A CN 108390684A CN 201810235538 A CN201810235538 A CN 201810235538A CN 108390684 A CN108390684 A CN 108390684A
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- Prior art keywords
- micro controller
- module
- radio
- controller module
- signal
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Classifications
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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
- H04B1/08—Constructional details, e.g. cabinet
- H04B1/082—Constructional details, e.g. cabinet to be used in vehicles
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/44—Arrangements characterised by circuits or components specially adapted for broadcast
- H04H20/46—Arrangements characterised by circuits or components specially adapted for broadcast specially adapted for broadcast systems covered by groups H04H20/53-H04H20/95
-
- 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
- H04H20/61—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for local area broadcast, e.g. instore broadcast
- H04H20/62—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for local area broadcast, e.g. instore broadcast for transportation systems, e.g. in vehicles
-
- 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
- H04H60/09—Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
-
- 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
- H04H60/68—Systems specially adapted for using specific information, e.g. geographical or meteorological information
- H04H60/70—Systems specially adapted for using specific information, e.g. geographical or meteorological information using geographical information, e.g. maps, charts or atlases
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
The invention discloses a kind of vehicle-mounted radio and control methods, including signal receiving module, frequency discrimination processing module, micro controller module, power amplification and volume control module, locating module, human-computer interaction interface and loudspeaker, the signal receiving module, frequency discrimination processing module, power amplification and volume control module, locating module and human-computer interaction interface are connect with micro controller module respectively, and the loudspeaker are connect with power amplification and volume control module；Further include the memory being connect with micro controller module, radio station database is stored in the memory, which includes broadcasting frequency code, coordinate code and the station symbol of different zones FM radio station and the lteral data of frequency；It is being switched to radio function or is detecting vehicle-mounted radio when across an area, automatically the storage radio station of thinner radio, while can show station symbol according to the intensity different colours of signal.
Description
Technical field
The invention belongs to vehicle mounted guidance entertainment systems technical fields, and in particular to a kind of vehicle-mounted radio and control method.
Background technology
Currently, the guidance entertainment system of automobile is controlled by computer chip, and there is function of radio receiver.Radio is also drive the cross
One of necessary equipment in journey for amusing and diverting oneself.Vehicle-mounted radio and other radios the difference is that, vehicle-mounted radio
It is mobile, this means that the channel be usually familiar with and liked, and having arrived strange land may become oneself not liking the content listened.
In addition, when driving, vehicle-mounted radio received signal intensity can ceaselessly change, meeting in loudspeaker when signal is weak
Spread out of the noise of " click click ".In addition, it is also a potential security risk to select radio station during driving.
Therefore, it is necessary to develop a kind of vehicle-mounted radio and control method.
Invention content
Radio station can be searched for automatically the object of the present invention is to provide a kind of, and can show the vehicle-mounted radio of radio signals power
And control method.
Vehicle-mounted radio of the present invention, including signal receiving module, frequency discrimination processing module, micro controller module, work(
Rate is amplified and volume control module, locating module, human-computer interaction interface and loudspeaker, and the signal receiving module, frequency discrimination handle mould
Block, power amplification and volume control module, locating module and human-computer interaction interface are connect with micro controller module respectively, the loudspeaker
Connect with power amplification and volume control module；
Further include the memory being connect with micro controller module, radio station database is stored in the memory, the radio station database
Including broadcasting frequency code, coordinate code and the station symbol of different zones FM radio station and the lteral data of frequency；
When in response to vehicle-mounted radio, never working condition is switched to working condition, the locating module will be where vehicle-mounted radio
The coordinate code on ground inputs to micro controller module, and the electric wave signal of reception is amplified processing by synchronous signal receiving module,
And signal is sent to micro controller module by treated, micro controller module is scanned processing to signal, obtains radio station
Broadcasting frequency code, and the coordinate code in location and broadcasting frequency code are stored in the register of micro controller module；
The coordinate code in location and broadcasting frequency code are compared the micro controller module with the data in the database of radio station,
If comparing successfully, the micro controller module is by the word number of station symbol and frequency corresponding to coordinate code and broadcasting frequency code
It is shown according to being sent on human-computer interaction interface；
The micro controller module is additionally operable to handle the signal from locating module, detects that vehicle-mounted radio exists in locating module
When across an area, the micro controller module scans radio signals, automatically updates the radio station that radio is stored；
The micro controller module is additionally operable to differentiate the power of FM signal, and is shown in different colors according to the power of FM signal
Show corresponding station symbol.
The control method of vehicle-mounted radio of the present invention, using vehicle-mounted radio as described in the present invention, control
Method includes the following steps：
When in response to vehicle-mounted radio, never working condition is switched to working condition, the locating module will be where vehicle-mounted radio
The coordinate code on ground inputs to micro controller module, and the electric wave signal of reception is amplified processing by synchronous signal receiving module,
And signal is sent to micro controller module by treated, micro controller module is scanned processing to signal, obtains radio station
Broadcasting frequency code, and the coordinate code in location and broadcasting frequency code are stored in the register of micro controller module；
The coordinate code in location and broadcasting frequency code are compared the micro controller module with the data in the database of radio station,
If comparing successfully, the micro controller module is by the word number of station symbol and frequency corresponding to coordinate code and broadcasting frequency code
It is shown according to being sent on human-computer interaction interface；
Vehicle-mounted radio is detected when across an area in response to the locating module, and the locating module is by vehicle-mounted radio
The coordinate code in machine location inputs to micro controller module, and the electric wave signal of reception is amplified by synchronous signal receiving module
Processing, and signal is sent to micro controller module by treated, micro controller module is scanned processing to signal, obtains electricity
The broadcasting frequency code of platform, and the coordinate code in location and broadcasting frequency code are stored in the register of micro controller module
In；The micro controller module compares the coordinate code in location and broadcasting frequency code with the data in the database of radio station
Right, if comparing successfully, the micro controller module is by the text of station symbol and frequency corresponding to coordinate code and broadcasting frequency code
Digital data is sent on human-computer interaction interface and is shown, is automatically updated when across an area in vehicle-mounted radio with realizing
The radio station that radio is stored；
The strong and weak in variation of the FM signal in radio station is identified in response to micro controller module, it is real according to the intensity of FM signal
When change the color of corresponding station symbol.
When the intensity that micro controller module identifies the FM signal in radio station is within the scope of default high intensity, the electricity
The color of the station symbol of platform is bottle green；
When the intensity that micro controller module identifies the FM signal in radio station is in default middle strength range, the radio station
The color of station symbol is light green color；
When the intensity that micro controller module identifies the FM signal in radio station is within the scope of default weak intensity, the radio station
The color of station symbol is yellow；It can intuitively reflect the current signal strength condition in radio station by different colours.
The radio station chosen is shown with other colors or highlight in addition to bottle green, light green color and yellow,
It can intuitively reflect currently played radio station.
Beneficial effects of the present invention：The present invention can intuitively show the station symbol and frequency for being currently located each radio station in region
Information, allow driver one touch can channel selection, avoid drive energy excessively disperse.Meanwhile detecting that vehicle-mounted radio crossing over
When one area, it is capable of the storage radio station of thinner radio automatically, best radio signals are found in guarantee on the move.In addition,
The present invention can also intuitively reflect the current signal strength condition in radio station.
Description of the drawings
Fig. 1 is the principle of the present invention block diagram；
Fig. 2 is the schematic diagram that station symbol and frequency of radio station are shown on human-computer interaction interface；
Fig. 3 is the flow chart of the present invention；
In figure：1, memory, 2, locating module, 3, transmitting antenna, 4, transmitter, 5, reception antenna, 6, signal receiving module,
7, frequency discrimination processing module, 8, loudspeaker, 9, power amplification and volume control module, 10, human-computer interaction interface, 11, microcontroller mould
Block, 12, station symbol.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings.
Vehicle-mounted radio as shown in Figure 1, including signal receiving module 6, frequency discrimination processing module 7, micro controller module 11,
Power amplification and volume control module 9, locating module 2, human-computer interaction interface 10 and loudspeaker 8；The signal receiving module 6, mirror
Frequency processing module 7, power amplification and volume control module 9, locating module 2 and human-computer interaction interface 10 respectively with microcontroller mould
Block 11 connects, and the loudspeaker 8 are connect with power amplification and volume control module 9, and above each module and its connection relation are
The prior art.
The vehicle-mounted radio further includes the memory 1 being connect with micro controller module 11, and electricity is stored in the memory 1
Platform database, which includes different zones（The present embodiment is all parts of the country）The broadcasting frequency code of FM radio station,
The lteral data of coordinate code and station symbol and frequency.
In the present embodiment, the scanning function of micro controller module 11 is controlled by two groups of signals, and one group is radio switching letter
Number（When i.e. vehicle entertainment system is switched to function of radio receiver）, another set is the coordinate letter that the area that locating module 2 is sent out changes
Number.
When never working condition is switched to working condition to vehicle-mounted radio（I.e. vehicle entertainment system is switched to function of radio receiver
When）, the coordinate code in vehicle-mounted radio location inputs to micro controller module by the locating module, and synchronous signal receives mould
The electric wave signal of reception is amplified processing by block 6（The transmitter 4 in radio station is by transmitting antenna 3 to air-launched frequency modulation broadcasting
Signal can couple an electric wave signal on the reception antenna 5 of vehicle-mounted radio, and the electric wave signal is sent to signal and is received
Module 6）, and signal is sent to micro controller module by treated, micro controller module is scanned processing to signal, obtains
The broadcasting frequency code in radio station, and the coordinate code in location and broadcasting frequency code are stored in the deposit of micro controller module
In device.The micro controller module carries out the coordinate code in location and broadcasting frequency code with the data in the database of radio station
It compares, if comparing successfully, the micro controller module is by the station symbol and frequency corresponding to coordinate code and broadcasting frequency code
Lteral data calls out, and is sent on human-computer interaction interface and is shown.I.e. when vehicle entertainment system is switched to radio reception
When machine state, micro controller module 11 begin to broadcast singal scan, and will scanning obtain radio station be apparent in one by one it is man-machine
On interactive interface 10.
In the present embodiment, the micro controller module is additionally operable to handle the signal from locating module, is examined in locating module
Vehicle-mounted radio is measured when across an area（I.e. locating module sends out the coordinate signal of area change）, the microcontroller
Module scans radio signals automatically update the radio station that radio is stored.Sent out when micro controller module 11 receives locating module 2
When the coordinate signal that the area gone out changes, which can also trigger micro controller module 11 and be scanned to radio signals, with
This tracks the radio signals of different regions.For the radio signals that friendship more covers, micro controller module 11 gives tacit consent to first deposit
Code content.
In the present embodiment, the micro controller module is additionally operable to differentiate the power of FM signal, and according to FM signal
Power shows corresponding station symbol in different colors.Specially：The signal of varying strength is changed to different frequencies by micro controller module
The pulse signal of rate shows the platform of different colours after internal circuit is handled by communication bus on human-computer interaction interface
Mark.
In the present embodiment, it is in three strength ranges, respectively high intensity range, middle intensity that the intensity of FM signal, which is divided,
Range and low-intensity range.When the intensity that micro controller module identifies the FM signal in radio station is in preset high intensity range
When interior, the color of the station symbol in the radio station is bottle green.When micro controller module identifies at the intensity of the FM signal in radio station
When in default in strength range, the color of the station symbol in the radio station is light green color.When micro controller module identifies radio station
When the intensity of FM signal is within the scope of default weak intensity, the color of the station symbol in the radio station is yellow；Pass through different colours
It can intuitively reflect the current signal strength condition in radio station.
In the present embodiment, for the radio station chosen in addition to bottle green, light green color and yellow other colors or
It highlights to show, can intuitively reflect currently played radio station.
Certainly, user also can according to oneself like set the station symbol in radio station to the color that its himself is liked.
In the present embodiment, locating module 2 is GPS positioning module or Beidou positioning module.
In the present embodiment, micro controller module 11 also has memory function, if model is also being listened in the radio station that last time listens to
In enclosing, vehicle-mounted radio just plays the content in last time radio station.If it is desired to handoff radio, it is only necessary to click man-machine friendship with finger is of short duration
Correspondence station symbol 12 on mutual interface 10, the foot of micro controller module 11 a control at this time will be to power amplification and volume
Control module 9 sends out an instruction, and the audio signal in radio station is amplified and is broadcasted by loudspeaker 8.Since station symbol 12 has color aobvious
Show that signal strength, driver are preferably selected strong platform radio reception.If it is desired to it is mute, only press with finger 12 1 small meeting of station symbol（Such as 2
Second）At this point, power amplification and volume control module 9 will receive a mute command.
The control method of vehicle-mounted radio of the present invention, using vehicle-mounted radio as described in the present invention, control
Method includes the following steps：
When in response to vehicle-mounted radio, never working condition is switched to working condition, the locating module will be where vehicle-mounted radio
The coordinate code on ground inputs to micro controller module, and the electric wave signal of reception is amplified processing by synchronous signal receiving module 6,
And signal is sent to micro controller module by treated, micro controller module is scanned processing to signal, obtains radio station
Broadcasting frequency code, and the coordinate code in location and broadcasting frequency code are stored in the register of micro controller module；
The coordinate code in location and broadcasting frequency code are compared the micro controller module with the data in the database of radio station,
If comparing successfully, the micro controller module is by the word number of station symbol and frequency corresponding to coordinate code and broadcasting frequency code
It is shown according to being sent on human-computer interaction interface.
Vehicle-mounted radio is detected when across an area in response to the locating module, and the locating module will be vehicle-mounted
The coordinate code in radio location inputs to micro controller module, synchronous signal receiving module 6 by the electric wave signal of reception into
Row enhanced processing, and signal is sent to micro controller module by treated, micro controller module is scanned processing to signal,
The broadcasting frequency code in radio station is obtained, and the coordinate code in location and broadcasting frequency code are stored in micro controller module
In register；The micro controller module is by the coordinate code in location and broadcasting frequency code and the data in the database of radio station
It is compared, if comparing successfully, the micro controller module is by the station symbol and frequency corresponding to coordinate code and broadcasting frequency code
The lteral data of rate is sent on human-computer interaction interface and is shown, to realize when vehicle-mounted radio is in one area of leap certainly
The radio station that dynamic update radio is stored.
The strong and weak in variation of the FM signal in radio station is identified in response to micro controller module, according to the strong of FM signal
Degree changes the color of corresponding station symbol in real time.
As shown in figure 3, the flow chart in the present embodiment：
When vehicle entertainment system is switched to radio reception interface, vehicle-mounted radio acquiescence memory plays the interior of last time radio station
Hold.Switching signal pressure simultaneously allows micro controller module 11 to generate scanning reaction.Scanning judges between 88Mhz-108Mhz frequency ranges
There is no signal, if there is signal, signal is stored into register, and returning to previous step if no signal continues to scan on.
The regional switching signal that locating module 2 receives is also the decision condition for triggering micro controller module 11 and scanning.
This signal is received, micro controller module 11 will repeat the scanning work of upper segment description.
Into register signal code by ceaselessly by communication bus 14 compared with the code in memory 1, once
It compares and station symbol 12 and frequency of radio station is just successfully shown on human-computer interaction interface 10 by communication bus, referring to Fig. 2.In display station
Simultaneously, control logic also judges the power of radio signals target, and station symbol 12 can show specified according to the intensity of signal
Color.Vehicle-mounted radio can manually click channel selection or mute.Of short duration click station symbol can be with handoff radio, long-press station symbol meeting shape
At mute.
Claims (4)
1. a kind of vehicle-mounted radio, including signal receiving module（6）, frequency discrimination processing module（7）, micro controller module（11）, work(
Rate is amplified and volume control module（9）, locating module（2）, human-computer interaction interface（10）And loudspeaker（8）, the signal reception mould
Block（6）, frequency discrimination processing module（7）, power amplification and volume control module（9）, locating module（2）And human-computer interaction interface（10）
Respectively with micro controller module（11）Connection, the loudspeaker（8）With power amplification and volume control module（9）Connection；Its feature
It is：
Further include and micro controller module（11）The memory of connection（1）, the memory（1）It is inside stored with radio station database, it should
Radio station database includes broadcasting frequency code, coordinate code and the station symbol of different zones FM radio station and the word number of frequency
According to；
When in response to vehicle-mounted radio, never working condition is switched to working condition, the locating module（2）By vehicle-mounted radio
The coordinate code in location inputs to micro controller module（11）, synchronous signal receiving module（6）By the electric wave signal of reception into
Row enhanced processing, and signal is sent to micro controller module by treated（11）, micro controller module（11）Signal is carried out
Scan process obtains the broadcasting frequency code in radio station, and the coordinate code in location and broadcasting frequency code is stored in micro-control
Device module processed（11）Register in；The micro controller module（11）By the coordinate code in location and broadcasting frequency code with
Data in the database of radio station are compared, if comparing successfully, the micro controller module（11）By coordinate code and broadcast frequency
The lteral data of station symbol and frequency corresponding to rate code is sent to human-computer interaction interface（10）On shown；
The micro controller module（11）It is additionally operable to processing and comes from locating module（2）Signal, in locating module（2）Detect vehicle
Radio is carried when across an area, the micro controller module（11）Radio signals are scanned, radio is automatically updated and is deposited
The radio station of storage；
The micro controller module（11）It is additionally operable to differentiate the power of FM signal, and according to the power of FM signal with different face
Color shows corresponding station symbol（12）.
2. a kind of control method of vehicle-mounted radio, which is characterized in that vehicle-mounted radio as described in claim 1 is used,
Control method includes the following steps：
When in response to vehicle-mounted radio, never working condition is switched to working condition, the locating module（2）By vehicle-mounted radio
The coordinate code in location inputs to micro controller module（11）, synchronous signal receiving module（6）By the electric wave signal of reception into
Row enhanced processing, and signal is sent to micro controller module by treated（11）, micro controller module（11）Signal is carried out
Scan process obtains the broadcasting frequency code in radio station, and the coordinate code in location and broadcasting frequency code is stored in micro-control
Device module processed（11）Register in；The micro controller module（11）By the coordinate code in location and broadcasting frequency code with
Data in the database of radio station are compared, if comparing successfully, the micro controller module（11）By coordinate code and broadcast frequency
The lteral data of station symbol and frequency corresponding to rate code is sent to human-computer interaction interface（10）On shown；
In response to the locating module（2）Vehicle-mounted radio is detected when across an area, the locating module（2）By vehicle
The coordinate code for carrying radio location inputs to micro controller module（11）, synchronous signal receiving module（6）By the electricity of reception
Wave signal is amplified processing, and signal is sent to micro controller module by treated（11）, micro controller module（11）It is right
Signal is scanned processing, obtains the broadcasting frequency code in radio station, and the coordinate code in location and broadcasting frequency code are deposited
It is stored in micro controller module（11）Register in；The micro controller module（11）By the coordinate code in location and broadcast frequency
Rate code is compared with the data in the database of radio station, if comparing successfully, the micro controller module（11）By coordinate code
It is sent to human-computer interaction interface with the lteral data of station symbol and frequency corresponding to broadcasting frequency code（10）On shown, with
It realizes and automatically updates the radio station that radio is stored when across an area in vehicle-mounted radio；
In response to micro controller module（11）The strong and weak in variation of the FM signal in radio station is identified, according to the strong of FM signal
Degree changes the color of corresponding station symbol in real time.
3. the control method of vehicle-mounted radio according to claim 2, it is characterised in that：
Work as micro controller module（11）When identifying the intensity of the FM signal in radio station within the scope of default high intensity, the electricity
The color of the station symbol of platform is bottle green；
Work as micro controller module（11）When identifying the intensity of the FM signal in radio station in default middle strength range, the electricity
The color of the station symbol of platform is light green color；
Work as micro controller module（11）When identifying the intensity of the FM signal in radio station within the scope of default weak intensity, the electricity
The color of the station symbol of platform is yellow.
4. the control method of vehicle-mounted radio according to claim 2 or 3, it is characterised in that：For the radio station chosen
It is shown with the other colors or highlight in addition to bottle green, light green color and yellow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810235538.9A CN108390684A (en) | 2018-03-21 | 2018-03-21 | Vehicle-mounted radio and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810235538.9A CN108390684A (en) | 2018-03-21 | 2018-03-21 | Vehicle-mounted radio and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108390684A true CN108390684A (en) | 2018-08-10 |
Family
ID=63068314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810235538.9A Pending CN108390684A (en) | 2018-03-21 | 2018-03-21 | Vehicle-mounted radio and control method |
Country Status (1)
| Country | Link |
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| CN (1) | CN108390684A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1164807A (en) * | 1996-03-22 | 1997-11-12 | 松下电器产业株式会社 | Wireless communication system and method and system for detection of position of radio mobile station |
| CN2474405Y (en) * | 2001-02-21 | 2002-01-30 | 杨永长 | Vehicle mounted BP-LED display screen |
| CN101032973A (en) * | 2007-04-16 | 2007-09-12 | 刘汉义 | Digital information intelligence management system for passenger transport train |
| CN102350976A (en) * | 2011-08-31 | 2012-02-15 | 重庆长安汽车股份有限公司 | Vehicle-mounted CD (Compact Disc) player and combined displayer assembly of hybrid electric vehicle |
| CN105610531A (en) * | 2015-12-29 | 2016-05-25 | 昆山映台电子科技有限公司 | Method and apparatus for acquiring radio station information |
-
2018
- 2018-03-21 CN CN201810235538.9A patent/CN108390684A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1164807A (en) * | 1996-03-22 | 1997-11-12 | 松下电器产业株式会社 | Wireless communication system and method and system for detection of position of radio mobile station |
| CN2474405Y (en) * | 2001-02-21 | 2002-01-30 | 杨永长 | Vehicle mounted BP-LED display screen |
| CN101032973A (en) * | 2007-04-16 | 2007-09-12 | 刘汉义 | Digital information intelligence management system for passenger transport train |
| CN102350976A (en) * | 2011-08-31 | 2012-02-15 | 重庆长安汽车股份有限公司 | Vehicle-mounted CD (Compact Disc) player and combined displayer assembly of hybrid electric vehicle |
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Application publication date: 20180810 |