CN203691614U - Vehicle-mounted sound of sound source non-direct input - Google Patents
Vehicle-mounted sound of sound source non-direct input Download PDFInfo
- Publication number
- CN203691614U CN203691614U CN201320894596.5U CN201320894596U CN203691614U CN 203691614 U CN203691614 U CN 203691614U CN 201320894596 U CN201320894596 U CN 201320894596U CN 203691614 U CN203691614 U CN 203691614U
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- direct input
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Abstract
The utility model discloses a vehicle-mounted sound of sound source non-direct input. The vehicle-mounted sound of sound source non-direct input comprises a cavity used for placing a sound source and arranged in an automobile, a control circuit board electrically connected with a power supply of the automobile is arranged right below the cavity and is equipped with a magnetic field converting circuit for converting an electromagnetic field into an electric signal and an audio signal amplification circuit, and the output end of the audio signal amplification circuit is connected with a vehicle-mounted loudspeaker. When the vehicle-mounted sound of sound source non-direct input is used, a mobile terminal with audio output is placed in an accepting cavity, the magnetic field converting circuit converts the electromagnetic field change which is consistent with the sound outputted by the mobile terminal into the electric signal, then the audio signal amplification circuit amplifies the signal outputted by the magnetic field converting circuit, and then the vehicle-mounted loudspeaker outputs the signal, so that the audio of the movable terminal can be outputted from the vehicle-mounted loudspeaker conveniently in a non-hardware connection manner without needing connecting lines or Bluetooth connecting pairing, a higher volume can be outputted, the use is convenient, and the demands of users for vehicle-mounted entertainment can be satisfied better.
Description
Technical field
The utility model relates to sound technique field, relates in particular to the vehicle audio of the non-direct input of a kind of source of sound.
Background technology
Existing automobile audio is normally by inputting and exported by the loud speaker on automobile with DVD or the external audio playback equipment of automobile one.When utilizing the audio frequency such as vehicle-carrying DVD to play, need to be by the carrier of audio frequency, as CD or USB flash disk etc. are put in vehicle mounted playing apparatus, and export again corresponding music after being read by playback equipment, owing to being subject to the restriction of source of sound carrier, user's music that cannot upgrade in time, can only change CD or by special read-write equipment, music be write, and therefore brings and uses inconvenience to user.Along with the development of technology, as the function of the portable mobile termianls such as mobile phone from strength to strength, can the needed data of real-time update.And the mobile terminal industry such as mobile phone also become conventional indispensable instrument in people's life.How mobile phone is combined with vehicle audio, the problem of avoiding different pieces of information input and output interfaces not unite, can realize real-time update music becomes a urgent problem simultaneously.
Utility model content
The technical problem that the utility model mainly solves is to provide the vehicle audio of the non-direct input of a kind of source of sound, the vehicle audio of the non-direct input of this source of sound can avoid causing while directly directly output as source of sound carrier and by vehicle audio by CD or USB flash disk the music that cannot upgrade in time, improve the promptness of upgrading music, avoid the connection inconvenience causing due to data-interface standard difference between hardware simultaneously, better meet the needs of user to car entertainment.
In order to solve the problems of the technologies described above, the utility model provides the vehicle audio of the non-direct input of a kind of source of sound, the vehicle audio of the non-direct input of this source of sound comprises: in vapour, be provided with the cavity for placing source of sound, under this cavity, be provided with the control circuit board being electrically connected with automobile power source, this control circuit board is provided with the magnetic field change-over circuit and the amplifier circuit for sound frequency signal that electromagnetic field are transferred to the signal of telecommunication, and this amplifier circuit for sound frequency signal output is connected with vehicle-mounted loudspeaker.
Say further, the cavity being positioned at directly over the change-over circuit of magnetic field is provided with the through hole for the external side of connected chamber and inner side.
Say further, on described control circuit board, be also provided with according to the control unit of the circuit voltage control vehicle-mounted loudspeaker output volume size of magnetic field change-over circuit output.
Say further, on described control circuit board, be also provided with filter circuit, the input of this filter circuit is connected with the output of magnetic field shifting circuit, and its output is connected with the input of amplifier circuit for sound frequency signal.
Say further, described magnetic field change-over circuit comprises transformer.
The vehicle audio of the non-direct input in the utility model source, be included in and in vapour, be provided with the cavity for placing source of sound, under this cavity, be provided with the control circuit board being electrically connected with automobile power source, this control circuit board is provided with the magnetic field change-over circuit and the amplifier circuit for sound frequency signal that electromagnetic field are transferred to the signal of telecommunication, and this amplifier circuit for sound frequency signal output is connected with vehicle-mounted loudspeaker.When use, will be placed in storage cavity with the mobile terminal of audio frequency output, produced the electromagnetic field consistent with sound by magnetic field change-over circuit during by mobile terminal voice output and change and be converted to the signal of telecommunication, then the signal of magnetic field change-over circuit being exported by amplifier circuit for sound frequency signal is exported by vehicle-mounted loudspeaker after amplifying.The mode that makes easily audio frequency of mobile terminal connect by non-hardware is exported from vehicle-mounted loudspeaker, do not need to connect pairing by carrying out connecting line or bluetooth, can make mobile terminal can export corresponding larger volume by vehicle-mounted loudspeaker compared with small volume output, be applicable to carry all types of mobile terminals of loud speaker, easy to use, can meet better the needs of user to car entertainment.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, and describe in accompanying drawing be embodiment more of the present utility model, to those skilled in the art, do not paying under the prerequisite of creative work, can also obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the vehicle audio embodiment electrical diagram of the non-direct input of source of sound.
Fig. 2 is figure between the vehicle audio of the non-direct input of source of sound shows along center line sectional structure.
Fig. 3 is the vehicle audio embodiment electrical diagram for the non-direct input of another source of sound.
Below in conjunction with embodiment, and with reference to accompanying drawing, realization, functional characteristics and advantage to the utility model object are described further.
Embodiment
In order to make object, technical scheme and the advantage of utility model clearer, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work, belongs to the scope that the utility model is protected.
As depicted in figs. 1 and 2, the utility model provides the vehicle audio embodiment of the non-direct input of a kind of source of sound.
The vehicle audio of the non-direct input of this source of sound comprises: in vapour, be provided with the cavity 1 ' for placing source of sound, under this cavity 1 ', be provided with the control circuit board 2 ' being electrically connected with automobile power source, this control circuit board 2 ' is provided with the magnetic field change-over circuit 1 and the amplifier circuit for sound frequency signal 2 that electromagnetic field are transferred to the signal of telecommunication, and these amplifier circuit for sound frequency signal 2 outputs are connected with vehicle-mounted loudspeaker 3.
Specifically, described control circuit board 2 ' is connected power supply with automobile power source.Described magnetic field change-over circuit 1 can adopt transformer, or all other can transfer electromagnetic field to the components and parts of the signal of telecommunication.When use, will be placed in storage cavity 1 ' with the mobile terminal of audio frequency output, produced the electromagnetic field consistent with sound by magnetic field change-over circuit 1 during by mobile terminal voice output and change and be converted to the signal of telecommunication, then the signal of magnetic field change-over circuit being exported by amplifier circuit for sound frequency signal is exported by vehicle-mounted loudspeaker after amplifying.The mode that makes easily audio frequency of mobile terminal connect by non-hardware is exported from vehicle-mounted loudspeaker, do not need to connect pairing by carrying out connecting line or bluetooth, can make mobile terminal can export corresponding larger volume by vehicle-mounted loudspeaker compared with small volume output, be applicable to carry all types of mobile terminals of loud speaker, easy to use, can meet better the needs of user to car entertainment.
As shown in Figure 3, can on described control circuit board, be provided with as required filter circuit 3, the input of this filter circuit 3 is connected with the output of magnetic field shifting circuit 1, and its output is connected with the input of amplifier circuit for sound frequency signal 2, can improve the tonequality of output.
On described control circuit board 2 ', can also be provided with according to the control unit of the circuit voltage control vehicle-mounted loudspeaker output volume size of magnetic field change-over circuit output.
In order to make magnetic field change-over circuit can obtain better signal, can on the cavity directly over the change-over circuit of magnetic field, be provided with the through hole 11 ' for the external side of connected chamber and inner side.This through hole 11 ' can reduce effect of signals.
Above embodiment only, in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement, and these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of the each embodiment technical scheme of the utility model.
Claims (5)
1. the vehicle audio of the non-direct input of source of sound, is characterized in that:
Be included in and in vapour, be provided with the cavity for placing source of sound, under this cavity, be provided with the control circuit board being electrically connected with automobile power source, this control circuit board is provided with the magnetic field change-over circuit and the amplifier circuit for sound frequency signal that electromagnetic field are transferred to the signal of telecommunication, and this amplifier circuit for sound frequency signal output is connected with vehicle-mounted loudspeaker.
2. the vehicle audio of the non-direct input of source of sound according to claim 1, is characterized in that:
The cavity being positioned at directly over the change-over circuit of magnetic field is provided with the through hole for the external side of connected chamber and inner side.
3. the vehicle audio of the non-direct input of source of sound according to claim 1 and 2, is characterized in that:
On described control circuit board, be also provided with according to the control unit of the circuit voltage control vehicle-mounted loudspeaker output volume size of magnetic field change-over circuit output.
4. the vehicle audio of the non-direct input of source of sound according to claim 3, is characterized in that:
On described control circuit board, be also provided with filter circuit, the input of this filter circuit is connected with the output of magnetic field shifting circuit, and its output is connected with the input of amplifier circuit for sound frequency signal.
5. the vehicle audio of the non-direct input of source of sound according to claim 1 and 2, is characterized in that: described magnetic field change-over circuit comprises transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320894596.5U CN203691614U (en) | 2013-12-23 | 2013-12-23 | Vehicle-mounted sound of sound source non-direct input |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320894596.5U CN203691614U (en) | 2013-12-23 | 2013-12-23 | Vehicle-mounted sound of sound source non-direct input |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203691614U true CN203691614U (en) | 2014-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320894596.5U Expired - Fee Related CN203691614U (en) | 2013-12-23 | 2013-12-23 | Vehicle-mounted sound of sound source non-direct input |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203691614U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104581537A (en) * | 2015-01-27 | 2015-04-29 | 李德生 | EE-shaped no-connection audio transmission middle end |
| CN107493548A (en) * | 2017-09-30 | 2017-12-19 | 广州酷狗计算机科技有限公司 | Audio frequency playing method and stereo set |
-
2013
- 2013-12-23 CN CN201320894596.5U patent/CN203691614U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104581537A (en) * | 2015-01-27 | 2015-04-29 | 李德生 | EE-shaped no-connection audio transmission middle end |
| CN107493548A (en) * | 2017-09-30 | 2017-12-19 | 广州酷狗计算机科技有限公司 | Audio frequency playing method and stereo set |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20141223 |
|
| EXPY | Termination of patent right or utility model |