CN201477403U - Wireless control device for a common automobile horn - Google Patents
Wireless control device for a common automobile horn Download PDFInfo
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- CN201477403U CN201477403U CN2009201473609U CN200920147360U CN201477403U CN 201477403 U CN201477403 U CN 201477403U CN 2009201473609 U CN2009201473609 U CN 2009201473609U CN 200920147360 U CN200920147360 U CN 200920147360U CN 201477403 U CN201477403 U CN 201477403U
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Abstract
The utility model discloses a wireless control device for a common automobile horn, comprising a sound source signal wireless emission module (1) for sending ASK coding signal from the outside sound source signal using the automobile horn and timing-sharing modulating and wirelessly sending the carrier wave of the sound source signal and the ASK coding signal in same wireless emission channel; an automobile audio switching control module (2) wirelessly connected with the sound source signal wireless emission module (1) and arranged between a car audio and a car horn and for receiving the ASK coding signal and the sound source signal and for controlling automatic switch between the automobile horn and the automobile audio switching control module (2) to the audio path of the automobile horn to make the automobile horn play the sound source signal. The utility model provides an automobile horn shared solution method with features of convenience and practicality.
Description
Technical field
The utility model relates to a kind of control device, especially relates to a kind of control system that realizes the wireless automatic switchover of car horn.
Background technology
Along with the development of automobile at the progressively universal and informationization technology of Chinese market, people also become abundanter to the voice applications of automotive interior.Car steering person can be easily to vehicle-mounted radio, CD, VCD when driving, DVD, mobile TV, navigator etc. are switched, by car horn audio frequency is exported, therefore, car horn becomes pronunciation resource or the high-quality transaudient equipment that multiple information network equipment need be shared.
Existing car horn directly is connected with hoot device, is the exclusive resource of automobile audio.Therefore realize the switching controls and the shared common needs that become multiple information equipment of automobile audio and loudspeaker.And the switching controls mode that realizes automobile audio and loudspeaker at present has multiple:
1, between automobile audio and loudspeaker, sets up the inside commutation circuit that realizes by Single-chip Controlling, switch make sounding from radio, CD, DVD etc.But this inside commutation circuit can only be by the automobile audio internal control, can not set up sharing of other audiogenic device, and particularly as external devices such as mobile phone, MP3 shared, making external portable equipment is to enjoy the automobile audio resource; If the car owner need set up the stereo set of other function, then can only change car audio system, cause waste.
2, between automobile audio amplifier and stereo set, install control device additional, other sound source signal and control signal are introduced control device by wired mode carry out switching controls.Though this control device can realize that the switching of car horn is with shared, but it is to realize by wired mode, it must be with the mode access control apparatus of sound source signal by connecting up in automobile, to change automotive trim and influence attractive in appearancely, and can not realize that the convenient of sound source signal of portable mobile equipment (as mobile phone, MP3, external navigating instrument etc.) inserts.
3, transfer in advance at the FM radio and establish receive frequency, sound source signal receives by FM modulation technique wireless transmit and by automobile audio and plays sound.But, when switching, must transfer to be set to preset frequency (changing platform), if automobile arrives the another one city, the frequency of possible preset overlaps with the FM frequency of locality, this is to change frequency again.Use very inconvenience, and can not realize automaticallying switch, need switching channels manually.
The utility model content
The utility model proposes a kind of control device of wireless that is used for sharing car horn, can't be the technical matters that the user provides share service to solve present car horn easily.
For solving technical matters of the present utility model, the utility model discloses a kind of control device of wireless that is used for sharing car horn, and it comprises:
The sound source signal wireless transmitter module is used to send the ASK coded signal that is used car horn by the sound source signal of outside, and carrier wave timesharing in same wireless transmit channel is modulated and wireless transmit with sound source signal and ASK coded signal;
Automobile audio switching controls module with the wireless connections of described sound source signal wireless transmitter module, be arranged between automobile audio and the car horn, be used to receive described ASK coded signal and described sound source signal, the voice-frequency channel that is controlled to described car horn according to described ASK coded signal automaticallyes switch between described automobile audio and described automobile audio switching controls module, and described sound source signal is play from described car horn.
Preferably, described sound source signal wireless transmitter module comprises:
Described sound source signal is carried out the audio amplifier circuit of processing and amplifying;
Coded data by input is encoded with predetermined data structure, and the coding that forms coded signal produces circuit;
The carrier wave timesharing modulation in same wireless transmit channel with described sound source signal after the processing and amplifying and described coded signal, form the monolithic transmitting chip of the signal of described audio FM and described ASK coded signal respectively, it connects described audio amplifier circuit and described coding produces circuit;
Control the ON-OFF control circuit that described monolithic transmitting chip is launched described audio FM and ASK coded signal, it connects described monolithic transmitting chip;
Described audio FM and described ASK coded signal are carried out signal power amplifying signal power amplification circuit, and it is connected the output terminal of described monolithic transmitting chip;
With the emitting antenna of described audio FM and described ASK coded signal wireless transmit, it connects described signal power amplifying circuit.
Preferably, described automobile audio switching controls module comprises:
Receive the described ASK coded signal of described sound source signal wireless transmitter module wireless transmit and the unit receiving chip and the receiving antenna of described sound source signal;
Described ASK coded signal is made the carrier wave shaping circuit that the shaping of carrier signal amplitude is handled, and it connects described unit receiving chip;
Described ASK coded signal after arrangement handled carries out the ASK decoding circuit of decoding processing, and it connects described carrier wave shaping circuit;
Be controlled to a plurality of relay control units that the voice-frequency channel of described car horn automaticallyes switch between described automobile audio and described automobile audio switching controls module according to described ASK coded signal;
Described sound source signal is carried out the audio power amplification treatment circuit of audio power processing and amplifying, and it is connected between described relay control unit and the described car horn;
Be used for when detecting described sound source signal wireless transmitter module and do not launch carrier signal, carry out quiet to the noise that receives, or in ASK coded signal wireless transmission process, encode sound is filtered the quiet unit of shielding, and it is connected between described unit receiving chip and the described relay control unit.
Preferably, described ASK coded signal comprises:
1 geocoding position to multidigit, the coded data that is produced circuit by input coding is produced;
The 1 coding real data to multidigit, described sound source signal wireless transmitter module are to carry out the automatic switchover of voice-frequency channel according to this coding real data control;
1 synchronization bit to multidigit.
Preferably, described coding real data comprises D0 and D1 2; The ASK coded signal comprises: when described sound source signal need be controlled and use described car horn, sending D0 by described sound source signal wireless transmitter module was an ASK coded signal of 1; And no longer need control and when using described car horn when described sound source signal, sending D0 by described sound source signal wireless transmitter module is 0 the 2nd ASK coded signal.
Compared with prior art, the utlity model has following beneficial effect:
The utility model provides the car horn solution scheme shared.By automobile audio switching controls module is set between car horn and automobile audio, the various mobile information network equipments only need integrated or by described sound source signal wireless transmitter module, all can share car horn and audio plays.Therefore, on the one hand, the utility model provides car horn share service easily and efficiently for user vehicle, help to improve the comfort of user vehicle and the safety of driving, on the other hand, the utility model also for the various mobile information network equipments share car horn industry standard formulation and unifiedly provide possibility, help to promote the further technological improvement and the technological innovation of industry.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of sound source signal wireless transmitter module among Fig. 1;
Fig. 3 is the structural representation of automobile audio switching controls module among Fig. 1;
Fig. 4 is the circuit diagram of sound source signal wireless transmitter module among Fig. 1;
Fig. 5 is the circuit diagram of automobile audio switching controls module among Fig. 1.
Embodiment
The utility model is shared the car horn resource and is provided simple and practical, has been convenient to the wireless automatic switching control system that standardized and popularized is used for realizing various external portable equipments.
As shown in Figure 1, the control device of wireless that is used for shared car horn that the utility model discloses comprises: the sound source signal wireless transmitter module 1 of wireless connections and automobile audio switching controls module 2.Wherein, described sound source signal wireless transmitter module 1 can externally separately also can be integrated in such as portable terminal such as mobile phone, MP3, automobile be hands-free; And described automobile audio switching controls module 2 is arranged between car horn and the automobile audio.
When external sound source signal demand control of exporting and use car horn from described sound source signal wireless transmitter module 1, described sound source signal wireless transmitter module 1 sends an ASK (Amplitude Shift Keying in the wireless signal mode, amplitude shift keying) coded signal (such as the ASK coded signal of D0=1), described automobile audio switching controls module 2 receives a described ASK coded signal and decoding, if described sound source signal wireless transmitter module 1 is to call out described automobile audio switching controls module 2, then described automobile audio switching controls module 2 output control signals, the power supply of stereo set is turn-offed in control, and the loudspeaker connecting path is switched the described automobile audio switching controls module 2 of connection, after the radio audio frequency FM signal that described sound source signal wireless transmitter module 1 is sent can be handled by described automobile audio switching controls module 2, play from car horn.
When the external sound source signal finishes when not needing control and using car horn, then described sound source signal wireless transmitter module 1 sends the 2nd ASK coded signal (such as the ASK coded signal of D0=0) with wireless mode, described automobile audio switching controls module 2 receives the 2nd ASK coded signal, decoding and output control signal, automobile audio is restarted in control automatically, and control is communicated with automobile audio with car horn.
Wherein, the data structure of ASK coded signal is as shown in table 1 below:
| A0 | A1 | A2 | A3 | A4 | A5 | A6 | A7 | A8 | A9 | D1 | D0 | Synchronization bit |
Table 1
A0 to A9 everybody 1 (bit), be the geocoding position, by coded data " 1 ", " 0 ", " f " decision of input, D1, D0 are the real data of coding emission, synchronization bit can be set to 1 according to actual needs to multidigit.
In conjunction with Fig. 2 and shown in Figure 4, be respectively the structural representation and the circuit diagram of described sound source signal wireless transmitter module 1.
Described sound source signal wireless transmitter module 1 comprises: the audio amplifier circuit 11 that external sound source signal (Audio In) is carried out processing and amplifying, make sound signal after the amplification be suitable for the size of modulation signal, inputing to monolithic transmitting chip 14 carries out frequency modulation and becomes audio FM, audio FM is gone out with wireless signal transmission from emitting antenna after amplifying through signal power amplifying circuit 15; And coding produces circuit 12 by " 1 ", " 0 " of input, the state of " f " coded data (Code In), according to the data structure of ASK coded signal shown in the above-mentioned table 1 formation coded signal of encoding, export coded signal to monolithic transmitting chip 14, and be modulated to carrier signal, formation ASK coded signal makes the timesharing in same wireless transmit channel of ASK coded signal and audio FM modulate and be independent of each other; ON-OFF control circuit 13 in the while circuit is used for control and whether carries out the emission of ASK coded signal, when needs turn-off and connect automobile audio, just controls and sends the ASK coded signal.
Wherein, control is to turn-off automobile audio or connection automobile audio, is input data D0 or D1 (present embodiment adopts D0) realization by the ASK coded signal; When not needing to control the sound equipment handoff functionality, at this moment ON-OFF control circuit 13 will be controlled and whether send audio FM.
In conjunction with shown in Figure 4, chip U8 is an audio amplifier circuit 11; Chip U7 produces circuit 12 for coding; Chip U9 is a monolithic transmitting chip 14; ON-OFF control circuit 13 is logical circuit U6, specifically comprises U6A to U6D, and Q6A and Q6B; Signal power amplifying circuit 15 is triode Q7.Outside sound source signal is amplified into chip U9 by chip U8 and modulates; Enter chip U7 coding behind input data " CALL " and " DECALL " the process logical circuit U6, send into chip U9 behind the coding, form the ASK coded signal; Also carry out simultaneously ASK coded signal and the timesharing of FM signal shared channel modulation control, integral body has realized the automatic switchover of controlled in wireless of car horn and the wireless transmission of sound signal.
Wherein, ON-OFF control circuit 13 is achieved in that when needs are opened car horn, make CALL=" H ", the input end of U6A is a high level, U6D output high level makes and the Q6B conducting makes the Q5 conducting, gives monolithic transmitter unit 14 (corresponding to chip U9) power supply, CALL pin signal also send chip U7 control coded data to produce simultaneously, and coded data is exported after Q6A send chip U9 to carry out the modulation of ASK signal through U7.After power amplification circuit 15 (corresponding triode Q7) amplifies the power that transmits, launch through antenna.
Therefore, the utility model thinking of described sound source signal wireless transmitter module 1 is to realize the modulate emission of sound source signal and the modulate emission and the relevant control function of control signal with the most simple and practical inexpensive method easily, and the size minimum of emitting antenna, with convenient integrated and other portable mobile information apparatus.
In conjunction with Fig. 3 and shown in Figure 5, be respectively the structural representation and the circuit diagram of described automobile audio switching controls module 2.
Described automobile audio switching controls module 2 comprises: the monolithic receiving chip 21 that receives the ASK coded signal that described sound source signal wireless transmitter module 1 sends; The ASK coded signal is made the carrier wave shaping circuit 23 that the shaping of carrier signal amplitude is handled; ASK coded signal after the arrangement processing is carried out the ASK decoding circuit 24 of decoding processing according to the data structure of ASK coded signal shown in the above-mentioned table 1; First, second, the the 3rd and the 3rd relay control unit, first relay control unit is used for control to carry out the automobile audio power supply and changes (automatically shutting down and connect automobile audio) earnestly, and second, the the 3rd and the 3rd relay control unit is used for control the car horn path is switched (car horn is communicated to described automobile audio switching controls module 2), and receive the audio FM of the corresponding described sound source signal that described sound source signal wireless transmitter module 1 sends, through after the audio power amplifying circuit 25, described audio FM is just directly play by car horn described audio FM; Be used for when detecting described sound source signal wireless transmitter module 1 and do not launch carrier wave, carry out quiet to receiving noise, or in ASK coded signal wireless transmission process, encode sound is filtered shielding, make car horn can not hear the quiet unit 22 of irritating encode sound.
In conjunction with shown in Figure 5, when described automobile audio switching controls module 2 receives the control request signal (being the ASK coded signal) that described sound source signal wireless transmitter module 1 sends, the ASK coded signal is through C18, C19, enter monolithic receiving chip 21 (corresponding diagram 5 chips IC1) after the bandpass filter that C20 and L6 form, the local oscillation signal mixing that itself and triode Q1 circuit are on every side formed, come out from chip IC 1 after the mixing, through demodulation of frequency discriminator, again through chip IC 4 shapings, the automatic switchover control of sending Q5 to carry out connecting and disconnecting car horn and automobile audio power supply again, wherein the J1-J4 difference corresponding first, second, the the 3rd and the 3rd relay control unit.If so increase commutation circuit, controllable path is many of N.
The utility model is applied to the application scenarios of mobile radiotelephone, in conjunction with Bluetooth technology and mobile radiotelephone of the present utility model, for people in the automobile driving process, dial, receiving calls provides very perfectly solution, greatly improving free, safe, the just smooth perfection of automobile life enjoys, free in the dangerous movement of will up hill and dale people be held mobile phone dialing from the driving process, answering, application prospect is boundless, will change and influence people's automobile life up hill and dale.When answering and dialling, mobile radiotelephone will be connected phone, automatically switch to automotive acoustic speaker for motorist automatically, enjoy high-quality automobile call experience.
And for example utilize the utility model, in the running process, be sitting in the mobile phone of anyone she if (or he) in the automobile integrated technology of the present utility model, can be happy MP3, MP4, network flow-medium music and broadcast high quality ground are play from automobile audio.
Claims (4)
1. control device of wireless that is used for sharing car horn is characterized in that it comprises:
Be used to send the ASK coded signal that uses car horn by the sound source signal of outside, and the also sound source signal wireless transmitter module (1) of wireless transmit is modulated in carrier wave timesharing in same wireless transmit channel with sound source signal and ASK coded signal;
Automobile audio switching controls module (2) with described sound source signal wireless transmitter module (1) wireless connections, be arranged between automobile audio and the car horn, be used to receive described ASK coded signal and described sound source signal, the voice-frequency channel that is controlled to described car horn according to described ASK coded signal automaticallyes switch between described automobile audio and described automobile audio switching controls module (2), and described sound source signal is play from described car horn.
2. according to the described control device of wireless that is used for sharing car horn of claim 1, it is characterized in that described sound source signal wireless transmitter module (1) comprising:
Described sound source signal is carried out the audio amplifier circuit (11) of processing and amplifying;
Coded data by input is encoded with predetermined data structure, and the coding that forms coded signal produces circuit (12);
The carrier wave timesharing modulation in same wireless transmit channel with described sound source signal after the processing and amplifying and described coded signal, form the monolithic transmitting chip (14) of described audio FM and described ASK coded signal respectively, it connects described audio amplifier circuit (11) and described coding produces circuit (12);
Control the ON-OFF control circuit (13) of described monolithic transmitting chip (14) described audio FM of emission and ASK coded signal, it connects described monolithic transmitting chip (14);
Described audio FM and described ASK coded signal are carried out signal power amplifying signal power amplification circuit (15), and it is connected the output terminal of described monolithic transmitting chip (14);
With the emitting antenna of described audio FM and described ASK coded signal wireless transmit, it connects described signal power amplifying circuit (15).
3. according to the described control device of wireless that is used for sharing car horn of claim 1, it is characterized in that described automobile audio switching controls module (2) comprising:
Receive the described ASK coded signal of described sound source signal wireless transmitter module (1) wireless transmit and the unit receiving chip (21) and the receiving antenna of described sound source signal;
Described ASK coded signal is made the carrier wave shaping circuit (23) that the shaping of carrier signal amplitude is handled, and it connects described unit receiving chip (21);
Described ASK coded signal after arrangement handled carries out the ASK decoding circuit (24) of decoding processing, and it connects described carrier wave shaping circuit (23);
Be controlled to a plurality of relay control units that the voice-frequency channel of described car horn automaticallyes switch between described automobile audio and described automobile audio switching controls module (2) according to described ASK coded signal;
Described sound source signal is carried out the audio power amplification treatment circuit (25) of audio power processing and amplifying, and it is connected between described relay control unit and the described car horn.
4. according to the described control device of wireless that is used for sharing car horn of claim 3, it is characterized in that, described automobile audio switching controls module (2) also comprises: be used for when detecting described sound source signal wireless transmitter module (1) when not launching carrier signal, carry out quiet to the noise that receives, or in ASK coded signal wireless transmission process, encode sound is filtered the quiet unit (22) of shielding, and it is connected between described unit receiving chip (21) and the described relay control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201473609U CN201477403U (en) | 2009-04-22 | 2009-04-22 | Wireless control device for a common automobile horn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201473609U CN201477403U (en) | 2009-04-22 | 2009-04-22 | Wireless control device for a common automobile horn |
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| Publication Number | Publication Date |
|---|---|
| CN201477403U true CN201477403U (en) | 2010-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201473609U Expired - Fee Related CN201477403U (en) | 2009-04-22 | 2009-04-22 | Wireless control device for a common automobile horn |
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| CN (1) | CN201477403U (en) |
Cited By (1)
| 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 |
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2009
- 2009-04-22 CN CN2009201473609U patent/CN201477403U/en not_active Expired - Fee Related
Cited By (1)
| 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 |
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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: 20100519 Termination date: 20120422 |