CN201029226Y - Relay unit for vehicle wireless transmission - Google Patents
Relay unit for vehicle wireless transmission Download PDFInfo
- Publication number
- CN201029226Y CN201029226Y CNU2007201428036U CN200720142803U CN201029226Y CN 201029226 Y CN201029226 Y CN 201029226Y CN U2007201428036 U CNU2007201428036 U CN U2007201428036U CN 200720142803 U CN200720142803 U CN 200720142803U CN 201029226 Y CN201029226 Y CN 201029226Y
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- audio
- circuit
- incoming telephone
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Abstract
The utility model provides a wireless transmission trunking device for car. Through judging the formats of wireless signals from electronic apparatuses, the utility model is provided with playing paths for various signal formats and capable of choosing the proper play path for the loudspeaker of the car according to the format of the inputted signal from wireless electronic apparatuses, thus different signal formats do not play simultaneously and interfere each other, in order to automatically switch between calls and video-audio signals.
Description
Technical field
The utility model relates to a kind of automobile-used wireless transmission trunk device, particularly a kind of having concurrently judged voice signal, video-audio signal and incoming telephone signal function, and according to the unlike signal form, the relay of the order that the automobile-used sound equipment Play System loudspeaker that automatically switch are play.
Background technology
Along with electronic product and software industry technical development maturation, the original function of automotive interior sound equipment Play System has not been applied and has been used, and face the situation of eliminating trade-in, however when dispatching from the factory, vehicle has the automobile audio Play System in, and therefore whole to eliminate required cost high and consuming time if want.
Therefore existing manufacturer releases and at present popular and universal MP3 player can be cooperated the radio frequency modulation tech, after the music data of personalized MP3 player memory storage is converted to radiofrequency signal, be resent to the radio-frequency antenna of this automobile audio Play System, utilize the loudspeaker of automobile audio Play System to play; Like this, existing vehicle does not possess the automobile audio Play System that MP3 music form is arranged, and can listen to the song or the sound of MP3 music format equally.
In addition, because mobile phone is day by day popularized handheld mobile phone when domestic also standard driver is forbidden to drive, to avoid causing driving dangerous, therefore combining of automobile-used loudspeaker and mobile phone appearred, when cell phone incoming call, can be amplified and radio reception by loudspeaker, be carried out the dialogue of hand-free mobile phone.Moreover, along with popularizing of video and audio product, the player and the display that also have the driver to be provided with to watch video-audio data.
As shown in the above description, the numerous and diversified electronic product that becomes at healing, vehicle inner multimedia electrical arrangement is also more and more many.But the limited and power supply of inner space is obtained difficulty, and is not suitable for being provided with too much multimedia playing apparatus.Moreover, because products such as above-mentioned MP3 radio frequency modulator and mobile phone loudspeaker are if all be arranged in the car, when in the car sound equipment played MP3 song time, cell phone incoming call, then loudspeaker also can broadcast incoming telephone signal, and causes a mixed simultaneously song and the cell phone incoming call signal listened in passenger family in the car, and therefore often the driver also will divert one's attention the sound equipment Play System is closed, could clearly listen to incoming telephone signal, still can cause the misgivings on the traffic safety.
The utility model content
Main purpose of the present utility model provides a kind of automobile-used wireless transmission trunk device, can be according to judging format signals such as voice signal, video-audio signal and incoming telephone signal, automatically switch and control sound equipment Play System loudspeaker broadcast order, make the user more convenient and clearly listen to voice signal/video-audio signal or incoming telephone signal, and non-interference.
Automobile-used wireless transmission trunk device of the present utility model comprises:
One radio receiving transmitting module, it is that the square of variety of protocol is apart from radio receiving transmitting module (as bluetooth, radio frequency or infrared ray etc.), in order to constitute wireless connections with the external electronic with same protocol wireless launcher;
One processing unit, its output/go into to hold correspondence to be connected to radio receiving transmitting module, receiving voice signal, video-audio signal and incoming telephone signal, and is handled back output, this radio receiving transmitting module of or transmission incoming call response signal/control signal to from radio receiving transmitting module;
One signal switching circuit, it comprises an input and a plurality of output; Wherein input is connected to the output of this processing unit, and behind the voice signal, video-audio signal and the incoming telephone signal that receive this processing unit output, is judged the form of present input signal, exports corresponding output to according to judged result;
One incoming telephone signal is handled and preposition playing circuit, and one sound source signal end is connected to the output of this signal switching circuit in order to the output incoming signal, and after obtaining incoming telephone signal, being treated to can be for the sound source signal of loudspeaker broadcast; Another sound source signal end is the source of sound output signal end for this main system of audio;
One loudspeaker source of sound commutation circuit, be series between automobile horn, main system of audio and incoming telephone signal processing and the preposition playing circuit, its control end is connected to this incoming telephone signal and handles and preposition playing circuit, comes from main system of audio or incoming telephone signal processing and preposition playing circuit in order to the sound source signal that switches these loudspeaker;
One video-audio signal integrated interface output port, its input is connected to the output of this signal switching circuit output sound or video-audio signal, and output is connected to the signal source terminal of this main system of audio; And
One microphone, be connected to the input of processing unit by an analog-to-digital conversion circuit,, be converted to digital signal through analog-to-digital conversion circuit and export this processing unit in order to receive sound in the car, be sent to this radio receiving transmitting module by processing unit, will respond incoming telephone signal and be back to mobile phone.
Above-mentioned utility model mainly designs a signal switching circuit and judges the wireless signal form that inputs to relay at present, and design a loudspeaker source of sound commutation circuit, make it be series at automobile horn, between main system of audio and incoming telephone signal processing and the preposition playing circuit, incoming telephone signal is handled and preposition playing circuit has judged whether the incoming telephone signal input, if have and then incoming telephone signal be processed into the signal that to play by loudspeaker, cut off being connected of these loudspeaker and sound equipment Play System source of sound output signal end simultaneously, incoming telephone signal is handled and the output of preposition playing circuit connects and switch to, and this incoming telephone signal is play by loudspeaker smoothly.
Another purpose of the utility model provides one and has the relay that saving is provided with cost, because automobile horn is provided with the loudspeaker device more than two or four usually, and the broadcast of above-mentioned incoming telephone signal does not have the requirement of playing tonequality, so the utility model only needs to be connected and can to achieve the above object with loudspeaker; Thus, above-mentioned incoming telephone signal processing and preposition playing circuit are when receiving incoming telephone signal, can send a quiet control signal to this main system of audio more simultaneously, make a plurality of source of sound output signal ends of main system of audio (being used to connect corresponding loudspeaker device) no longer export sound source signal; Therefore, the utility model promptly reaches preferential switching incoming telephone signal equally, and is not disturbed by the sound source signal of former broadcast as long as be connected with single loudspeaker.
The utility model purpose again provides the repeater of a long-distance remote control external electronic, because the utility model is according to the agreement that radio receiving transmitting module is set, to receive the wireless signal of compatible protocol electronic installation, therefore adopt wireless connections between the utility model and the electronic installation, and be to make things convenient for the user to control the function of electronic installation, the utility model has additional a remote-control receiving circuit and a remote controller, when this remote-control receiving circuit receives the signal of this remote controller, can be to export processing unit to behind the digitized format with signal processing by an analog-digital converter, export this radio receiving transmitting module to control signal is sent to corresponding electronic installation by this processing unit again, reach the purpose of this electronic installation of control.
Description of drawings
Fig. 1 is the use schematic diagram of the utility model one preferred embodiment;
Fig. 2 is the circuit block diagram of the utility model first preferred embodiment and external electronic and automobile-used sound equipment Play System;
Fig. 3 is the circuit block diagram of the utility model second preferred embodiment and external electronic and automobile-used sound equipment Play System;
Fig. 4 A to C is the detailed circuit diagram of Fig. 2.
Among the figure
(10) relay (11) radio receiving transmitting module
(12) processing unit (13) signal switching circuit
(14) incoming telephone signal is handled and preposition playing circuit
(15) loudspeaker source of sound commutation circuit
(16) video-audio signal integrated interface output port
(17) microphone
(171) analog-to-digital conversion circuit
(18) remote-control receiving circuit (19) remote controller
(20) electronic installation (20a) mobile phone
(21) sound/sound processing circuit
(22) incoming telephone signal treatment circuit (23) antenna
(24) radio receiving transmitting module
(30) sound equipment Play System (31) main system of audio
(32) loudspeaker
Embodiment
See also shown in Figure 1ly, be the use schematic diagram of automobile-used wireless transmission trunk device of the present utility model (10) collocation one automobile-used sound equipment Play System (30), this automobile-used sound equipment Play System (30) includes a main system of audio (31) and at least one loudspeaker (32); Wherein, first preferred embodiment of wireless transmission trunk device of the present utility model (10) is shown in Fig. 2 and Fig. 4 A to C, and it includes:
One radio receiving transmitting module (11), can for the square of variety of protocol apart from radio receiving transmitting module (as bluetooth, radio frequency or infrared ray etc.), in order to constitute wireless connections with the external electronic with same protocol wireless launcher (20), wherein this electronic installation (20) if a mobile phone (20a), then it includes one sound/sound processing circuit (21), an incoming telephone signal treatment circuit (22), a radio receiving transmitting module (24) and an antenna at least; If general Audio Players (as MP3 PLAYER) or audio and video player (as NOTEBOOK) then include one a sound/sound processing circuit (21) and a radio receiving transmitting module (24) at least;
One processing unit (12), its output/go into to hold correspondence to be connected to radio receiving transmitting module (11), to receive voice signal, video-audio signal and incoming telephone signal from radio receiving transmitting module (11), and handled back output, or transmit incoming call response signal/control signal to this radio receiving transmitting module (11);
One signal switching circuit (13), it comprises an input and a plurality of output; Wherein input is connected to the output of this processing unit (12), and behind the voice signal, video-audio signal and the incoming telephone signal that receive this processing unit (12) output, is judged the form of present input signal, exports corresponding output to according to judged result;
One incoming telephone signal is handled and preposition playing circuit (14), one sound source signal end is connected to the output (AUDIO_OUT) of this signal switching circuit (13) in order to the output incoming signal, and after obtaining incoming telephone signal, be treated to the sound source signal that can supply loudspeaker (32) to play; Another sound source signal end is the source of sound output signal end for this main system of audio (31);
One loudspeaker source of sound commutation circuit (15), be series at automobile horn (32), between the sound source signal end of the source of sound output signal end of main system of audio (31) and incoming telephone signal processing and preposition playing circuit (14), its control end is connected to the output of this processing unit (12) again, come from main system of audio (31) or incoming telephone signal processing and preposition playing circuit (14) in order to the sound source signal that switches these loudspeaker (32), this loudspeaker source of sound commutation circuit (15) is made up of a relay (RELAY-DPDT) and a transistor (Q2), wherein the magnetizing coil of this relay is connected to the collector electrode of this transistor (Q2), and the base stage of transistor (Q2) is connected to the output (SPON) of this processing unit (12);
One video-audio signal integrated interface output port (16), its input is connected to the output of this signal switching circuit (13) output sound or video-audio signal, and output then is connected to the signal source terminal of this main system of audio (31); And
One microphone (17), be connected to the input of processing unit (12) by an analog-to-digital conversion circuit (171), in order to receive sound in the car, be converted to digital signal through analog-to-digital conversion circuit (171) and export this processing unit (12) to, be sent to this radio receiving transmitting module (11) by processing unit (12), will respond incoming telephone signal and be back to electronic installation (20) and mobile phone (20a).
Again, because automobile horn is provided with the loudspeaker device more than two or four usually, and the broadcast of above-mentioned incoming telephone signal does not have the requirement of playing tonequality, so the utility model only needs to be connected and can to achieve the above object with loudspeaker (32); Thus, above-mentioned incoming telephone signal processing and preposition playing circuit (14) are when receiving incoming telephone signal, can send a quiet control signal to this main system of audio (31) more simultaneously, make a plurality of source of sound output signal ends of main system of audio (31) (being used to connect corresponding loudspeaker device) no longer export sound source signal; Therefore, the utility model promptly reaches preferential switching incoming telephone signal equally, and is not disturbed by the sound source signal of former broadcast as long as be connected with single loudspeaker (32).
Further, see also shown in Figure 3, because the utility model is according to the agreement that radio receiving transmitting module is set, to receive the wireless signal of compatible protocol electronic installation, and be to make things convenient for the user to control the function of electronic installation, set up a remote-control receiving circuit (18) again, its input is in order to receive the guidance command of an external remote (19), output then is connected to this processing unit (12), after this remote-control receiving circuit (18) receives the signal of this remote controller (19), can export this processing unit (12) to, export this radio receiving transmitting module to by this processing unit (12) again, control signal is sent to corresponding electronic installation (20), reach the purpose of this electronic installation of control (20); Wherein this remote-control receiving circuit (18) can be an infrared radiation receiving circuit or RF receiving circuit.
As shown in the above description, the utility model can be used as the signal channel between external wireless electronics device (20) and the automobile-used sound equipment Play System (30), can make simple music player, audio and video player or mobile phone directly utilize automobile-used sound equipment Play System to carry out the broadcast of music, wherein because mobile phone has incoming telephone signal, so also can receive incoming telephone signal, and play by sound equipment Play System in the car, and the user needs only by microphone, and this relay (10) can be back to mobile phone with the response incoming telephone signal immediately.
Because the cell phone incoming call time is also uncertain, therefore this relay (10) further designs the wireless signal form that a signal switching circuit (13) judgement inputs to relay (10) at present, and design a loudspeaker source of sound commutation circuit (15), make it be connected on automobile horn (32), between main system of audio (31) and incoming telephone signal processing and the preposition playing circuit (14), in order to determine that these loudspeaker (32) are only handled with main system of audio (31) or incoming telephone signal at one time and preposition playing circuit (14) is connected, like this, when loudspeaker (32) during at the sound source signal of playing from main system of audio (31), if mobile phone has incoming telephone signal to produce, then this incoming telephone signal processing and preposition playing circuit (14) remove and incoming telephone signal can be treated to the sound source signal that loudspeaker (32) can be play, again with the be connected interruption of loudspeaker (32) with main system of audio (31), and loudspeaker (32) are connected with incoming telephone signal processing and preposition playing circuit (14), so this incoming telephone signal can be by preferential broadcast automatically, because these loudspeaker (32) no longer are connected with this main system of audio (31), so no longer play the sound source signal of main system of audio (31).
The utility model can provide wireless electron device to utilize the media of automobile-used sound equipment Play System as sound or audio-visual broadcast, because the wireless signal form of electronic installation is many, therefore the utility model is provided with two kinds of signal format broadcast paths, with automatic basis signal form, and select the broadcast path of these loudspeaker, the unlike signal form can not play simultaneously and disturb; In brief, during as if simple music player or audio and video player output sound signal or video-audio signal, export main system of audio to after then can being judged, export loudspeaker to by main system of audio and play by signal processing circuit; At this moment, if when having the cell phone incoming call signal to produce, relay of the present utility model can be connected cut-out with the script loudspeaker immediately with main system of audio, change the loudspeaker switching is connected to relay, relay is broadcasted incoming telephone signal by loudspeaker, so can reach the function that incoming call and video-audio signal are switched in automatic judgement.
Claims (9)
1. an automobile-used wireless transmission trunk device is characterized in that, comprising:
One radio receiving transmitting module, it is that the square of variety of protocol is apart from radio receiving transmitting module, in order to constitute wireless connections with the external electronic with same protocol wireless launcher;
One processing unit, its output/go into to hold correspondence to be connected to radio receiving transmitting module, receiving voice signal or video-audio signal and incoming telephone signal, and is handled back output, this radio receiving transmitting module of or transmission incoming call response signal/control signal to from radio receiving transmitting module;
One signal switching circuit, it comprises an input and a plurality of output; Wherein input is connected to the output of this processing unit, and behind the voice signal, video-audio signal and the incoming telephone signal that receive this processing unit output, is judged the form of present input signal, exports corresponding output to according to judged result;
One incoming telephone signal is handled and preposition playing circuit, and one sound source signal end is connected to the output of this signal switching circuit in order to the output incoming signal, and after obtaining incoming telephone signal, being treated to can be for the sound source signal of loudspeaker broadcast; Another sound source signal end is the source of sound output signal end for this main system of audio;
One loudspeaker source of sound commutation circuit, be connected between automobile horn, main system of audio and incoming telephone signal processing and the preposition playing circuit, its control end is connected to this processing unit, comes from main system of audio or incoming telephone signal processing and preposition playing circuit in order to the sound source signal that switches these loudspeaker;
One video-audio signal integrated interface output port, its input is connected to the output of this signal switching circuit output sound or video-audio signal, and output is connected to the signal source terminal of this main system of audio; And
One microphone, be connected to the input of processing unit by an analog-to-digital conversion circuit, in order to receive sound in the car, be converted to digital signal through analog-to-digital conversion circuit and export this processing unit to, be sent to this radio receiving transmitting module by processing unit, will respond incoming telephone signal and be back to electronic installation.
2. automobile-used wireless transmission trunk device as claimed in claim 1 is characterized in that:
This incoming telephone signal is handled and the output of preposition playing circuit further connects for main system of audio, with when receiving incoming telephone signal, this main system of audio is sent a quiet control signal.
3. automobile-used wireless transmission trunk device as claimed in claim 1 or 2 is characterized in that:
This radio receiving transmitting module is a bluetooth module, in order to connect with bluetooth cellular phone.
4. automobile-used wireless transmission trunk device as claimed in claim 1 or 2 is characterized in that:
This radio receiving transmitting module is a radio-frequency module.
5. automobile-used wireless transmission trunk device as claimed in claim 1 or 2 is characterized in that:
This radio receiving transmitting module is an infrared module.
6. automobile-used wireless transmission trunk device as claimed in claim 1 or 2 is characterized in that:
The input of this processing unit further connects a remote-control receiving circuit, and the input of this remote-control receiving circuit is in order to receive the guidance command of an external remote.
7. automobile-used wireless transmission trunk device as claimed in claim 6 is characterized in that:
This remote-control receiving circuit is an infrared radiation receiving circuit.
8. automobile-used wireless transmission trunk device as claimed in claim 5 is characterized in that:
This remote-control receiving circuit is a RF receiving circuit.
9. automobile-used wireless transmission trunk device as claimed in claim 1 or 2 is characterized in that, this loudspeaker source of sound commutation circuit comprises:
One relay, its diverter switch connect automobile horn, main system of audio and incoming telephone signal respectively to be handled and preposition playing circuit; And
One transistor, its collector electrode is connected to the magnetizing coil of this relay, and this transistor base is connected to the output of this processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201428036U CN201029226Y (en) | 2007-04-06 | 2007-04-06 | Relay unit for vehicle wireless transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201428036U CN201029226Y (en) | 2007-04-06 | 2007-04-06 | Relay unit for vehicle wireless transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201029226Y true CN201029226Y (en) | 2008-02-27 |
Family
ID=39133436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201428036U Expired - Fee Related CN201029226Y (en) | 2007-04-06 | 2007-04-06 | Relay unit for vehicle wireless transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201029226Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101872157B (en) * | 2009-04-22 | 2012-05-09 | 廖守锋 | Automobile audio wireless automatic switching control system and method thereof |
| CN105291991A (en) * | 2009-03-17 | 2016-02-03 | 富士通株式会社 | Wireless power supply system |
| CN112689233A (en) * | 2020-12-29 | 2021-04-20 | 北京百瑞互联技术有限公司 | Bluetooth audio transmitting and receiving method, Bluetooth audio-visual system and storage medium |
-
2007
- 2007-04-06 CN CNU2007201428036U patent/CN201029226Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105291991A (en) * | 2009-03-17 | 2016-02-03 | 富士通株式会社 | Wireless power supply system |
| CN101872157B (en) * | 2009-04-22 | 2012-05-09 | 廖守锋 | Automobile audio wireless automatic switching control system and method thereof |
| CN112689233A (en) * | 2020-12-29 | 2021-04-20 | 北京百瑞互联技术有限公司 | Bluetooth audio transmitting and receiving method, Bluetooth audio-visual system and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080227 Termination date: 20110406 |