CN202796057U - Vehicle-mounted network audio apparatus, vehicle-mounted network audio system and automobile - Google Patents
Vehicle-mounted network audio apparatus, vehicle-mounted network audio system and automobile Download PDFInfo
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- CN202796057U CN202796057U CN 201220400359 CN201220400359U CN202796057U CN 202796057 U CN202796057 U CN 202796057U CN 201220400359 CN201220400359 CN 201220400359 CN 201220400359 U CN201220400359 U CN 201220400359U CN 202796057 U CN202796057 U CN 202796057U
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Abstract
The utility model discloses a vehicle-mounted network audio apparatus, a vehicle-mounted network audio system and an automobile, which are used for solving a problem of audio power amplification of a vehicle-mounted audio video entertainment system. The vehicle-mounted network audio system comprises a loudspeaker, and a power amplifier which is used for receiving control commands sent by the vehicle-mounted audio video entertainment system from a CAN-bus in a local area network of the controller of the automobile so as to control play of an audio file or a video file, and is connected between any node of the CAN-bus and the loudspeaker. According to the vehicle-mounted network audio apparatus, the vehicle-mounted network audio system and the automobile, sound field effect in the automobile is optimized through driving the power amplifier with a play command of the vehicle-mounted audio video entertainment system from the CAN-bus.
Description
Technical field
The utility model relates to the automobile product field, in particular, relates to a kind of In-vehicle networking audio frequency apparatus, In-vehicle networking audio system and automobile.
Background technology
Development along with automotive engineering, vehicle electronics are towards intelligent, networked develop rapidly, the In-vehicle networking management can greatly be optimized car load wiring harness structure, vehicle carried video multimedia system and also realize network management, vehicle-mounted audio device is the indispensable part of vehicle-mounted video and music entertainment system, therefore, with respect to the unified management of vehicle-mounted video and music entertainment system, the unified management relative deficiency of vehicle-mounted audio device.
The utility model content
The utility model discloses a kind of In-vehicle networking audio frequency apparatus, In-vehicle networking audio system and automobile, and be used for solving prior art vehicle carried video multimedia system and accomplish unified management, and the problem of the unified management relative deficiency of vehicle-mounted audio device.
For achieving the above object, according to an aspect of the present utility model, provide a kind of In-vehicle networking audio frequency apparatus, and by the following technical solutions:
The In-vehicle networking audio frequency apparatus comprises loudspeaker; Be used for receiving the power amplifier that control command that vehicle-mounted video and music entertainment system sends is play with control audio file or video file from the controller area network bus of automobile, be connected between the arbitrary node and described loudspeaker of described CAN bus.
Further, described vehicle-mounted video and music entertainment system comprises: at least a in DVD main frame, video machines and the vehicle-mounted broadcasting.
Further, described DVD main frame, described video machines and described vehicle-mounted broadcasting are serially connected on one road low speed CAN bus of described CAN bus.
Further, described loudspeaker is the control Multi-channel loudspeaker.
According to another one of the present utility model aspect, a kind of In-vehicle networking audio system is provided, and by the following technical solutions:
The In-vehicle networking audio system comprises loudspeaker; The vehicle-mounted video and music entertainment system that is used for displaying audio file or video file is connected with first node on the CAN bus; Power amplifier for the control command of sending from described CAN bus reception vehicle-mounted video and music entertainment system is play to control described audio file or described video file is connected between the Section Point and described loudspeaker of described CAN bus.
According to another aspect of the present utility model, a kind of automobile is provided, and by the following technical solutions:
Automobile comprises above-mentioned In-vehicle networking audio system.
Compare with the audio frequency apparatus that traditional rigid line is connected, technique scheme of the present utility model adopts the audio frequency apparatus as the In-vehicle networking node, can effectively reduce the quantity of wire harness, lowers complete vehicle quality.Simultaneously, the CAN bus is adopted in the signal transmission, has guaranteed the versatility of transmission speed, reliability and information.Simultaneously, the interface of diagnosis that also can be by car load as the network node of car load carries out the diagnosis of fault, convenient after judgement and the maintenance of fault.
Description of drawings
Accompanying drawing is used to provide further understanding of the present utility model, consists of the application's a part, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 represents the structural representation of the utility model embodiment 1 described In-vehicle networking audio frequency apparatus;
Fig. 2 represents the fundamental diagram of In-vehicle networking audio frequency apparatus described in the utility model;
Fig. 3 represents the structural representation of the utility model embodiment 2 described In-vehicle networking audio frequency apparatuses;
Fig. 4 represents the structural representation of the described In-vehicle networking audio system of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
Fig. 1 represents the structural representation of the utility model embodiment 1 described In-vehicle networking audio frequency apparatus.
Referring to shown in Figure 1, the In-vehicle networking audio frequency apparatus comprises: loudspeaker 14; Be used for receiving the power amplifier 12 that control command that vehicle-mounted video and music entertainment systems 16 send is play with control audio file or video file from the controller area network bus 10 of automobile, be connected between the arbitrary node and described loudspeaker 14 of described CAN bus 10.
In the technique scheme of present embodiment, vehicle-mounted video and music entertainment system 16 all is connected on the CAN bus 10 with power amplifier 12, therefore, the broadcast information of vehicle-mounted video and music entertainment system 16 can be delivered on the CAN bus 10, simultaneously, power amplifier 12 can arrive and receive this broadcast information on the CAN bus 10, simultaneously feed back the information that successfully receives this broadcast information to CAN bus 10, carry out passing to loudspeaker 14 after the power amplification after power amplifier is resolved this broadcast information, loudspeaker 14 is to play behind the acoustic energy with electric energy conversion.By the CAN bus transfer, namely the vehicle carried video multimedia system is carried out unified management like this, simultaneously the vehicle carried video audio frequency apparatus has also been accomplished unified management.
Preferably, described vehicle-mounted video and music entertainment system comprises: at least a in DVD main frame, video machines and the onboard audio broadcasting.
In the technique scheme of present embodiment, vehicle-mounted video and music entertainment system can be the DVD main frame, at least a in the broadcasting of video machines and onboard audio, that is to say that the In-vehicle networking audio frequency apparatus can receive from the DVD main frame by CAN bus 10, the play command of video machines and onboard audio broadcasting, carry out simultaneously this play command, but vehicle-mounted video and music entertainment system of the present utility model is not limited to above-mentioned several, any vehicle-mounted playback equipment that is connected with CAN bus 10 all can be play by In-vehicle networking audio frequency apparatus of the present utility model, has more embodied the car load unified management of In-vehicle networking audio frequency apparatus.
As for how to realize that by the CAN bus unified management of In-vehicle networking audio frequency apparatus can describe by Fig. 2.Fig. 2 represents the fundamental diagram of In-vehicle networking audio frequency apparatus described in the utility model.
Referring to shown in Figure 2, main frame (comprises the DVD main frame, video machines and the broadcasting of described onboard audio etc.) send play signal by the CAN bus to power amplifier, power amplifier successfully receives backward the feedback to this main frame by the CAN bus of this play signal and receives successful information, any play signal or other useful signals that power amplifier is sought unity of action and received from the CAN bus, such as vehicle speed signal, after power amplifier receives vehicle speed signal, can offset noise after the speed of a motor vehicle improves according to the size that current vehicle speed is adjusted volume automatically, for example, the In-vehicle networking audio frequency apparatus is as the CAN node of car load, accept the related command signal of DVD main frame, as: loud minor adjustment, wave band is regulated, quiet, the orders such as sound field arranges, form by the CAN bus message is accepted, thereby the work of control loudspeaker, feed back simultaneously the message information of successfully reception to the DVD main frame, the information that forms a closed loop is accepted, the system of feedback improves effect of sound field in the car with this.
Fig. 3 represents the structural representation of the utility model embodiment 2 described In-vehicle networking audio frequency apparatuses.
Referring to shown in Figure 3, preferably, described DVD main frame 161, described video machines 163 and described vehicle-mounted broadcasting 165 are serially connected on one road low speed CAN bus of described CAN bus 10.
In the technique scheme of present embodiment, planned the node of a plurality of video and music entertainment systems on one road low speed CAN bus of CAN bus 10, all be serially connected on one road low speed CAN, and can pass through gateway (not shown) and car load network connection, the In-vehicle networking audio frequency apparatus can be shared the car load network information.
Preferably, described loudspeaker 14 is the control Multi-channel loudspeaker.
Fig. 4 represents the structural representation of the described In-vehicle networking audio system of the utility model embodiment.
Referring to shown in Figure 4, the In-vehicle networking audio system comprises loudspeaker 14; The vehicle-mounted video and music entertainment system 16 that is used for displaying audio file or video file is connected with first node on the CAN bus 10; Power amplifier 12 for the control command of sending from described CAN bus 10 reception vehicle-mounted video and music entertainment systems is play to control described audio file or described video file is connected between the Section Point and described loudspeaker 14 of described CAN bus 10.
In the technique scheme of present embodiment, the In-vehicle networking audio system comprises the In-vehicle networking audio frequency apparatus, the In-vehicle networking audio frequency apparatus can be supported the output control of multichannel voice frequency, and In-vehicle networking audio system employing CAN communication is carried out the transmission of information and is shared, transmission speed and information versatility have been guaranteed, effectively utilize multimedia man-machine interaction integrated functionality, improved the versatility of In-vehicle networking audio frequency apparatus.
Automobile comprises above-mentioned In-vehicle networking audio system.
Therefore, the technical solution of the utility model is compared with the audio frequency apparatus that traditional rigid line is connected, and adopts the audio frequency apparatus as the In-vehicle networking node, can effectively reduce the quantity of wire harness, lowers complete vehicle quality.Simultaneously, the CAN bus is adopted in the signal transmission, has guaranteed the versatility of transmission speed, reliability and information.Simultaneously, the interface of diagnosis that also can be by car load as the network node of car load carries out the diagnosis of fault, convenient after judgement and the maintenance of fault.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. an In-vehicle networking audio frequency apparatus comprises loudspeaker, it is characterized in that, also comprises:
Be used for receiving the power amplifier that control command that vehicle-mounted video and music entertainment system sends is play with control audio file or video file from the controller area network bus of automobile, be connected between the arbitrary node and described loudspeaker of described CAN bus.
2. In-vehicle networking audio frequency apparatus as claimed in claim 1 is characterized in that, described vehicle-mounted video and music entertainment system comprises: at least a in DVD main frame, video machines and the vehicle-mounted broadcasting.
3. In-vehicle networking audio frequency apparatus as claimed in claim 2 is characterized in that, described DVD main frame, described video machines and described vehicle-mounted broadcasting are serially connected on one road low speed CAN bus of described CAN bus.
4. In-vehicle networking audio frequency apparatus as claimed in claim 1 is characterized in that, described loudspeaker is the control Multi-channel loudspeaker.
5. an In-vehicle networking audio system comprises loudspeaker, it is characterized in that, also comprises:
The vehicle-mounted video and music entertainment system that is used for displaying audio file or video file is connected with first node on the CAN bus;
Power amplifier for the control command of sending from described CAN bus reception vehicle-mounted video and music entertainment system is play to control described audio file or described video file is connected between the Section Point and described loudspeaker of described CAN bus.
6. an automobile is characterized in that, comprises In-vehicle networking audio system claimed in claim 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220400359 CN202796057U (en) | 2012-08-13 | 2012-08-13 | Vehicle-mounted network audio apparatus, vehicle-mounted network audio system and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220400359 CN202796057U (en) | 2012-08-13 | 2012-08-13 | Vehicle-mounted network audio apparatus, vehicle-mounted network audio system and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202796057U true CN202796057U (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220400359 Expired - Fee Related CN202796057U (en) | 2012-08-13 | 2012-08-13 | Vehicle-mounted network audio apparatus, vehicle-mounted network audio system and automobile |
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| CN (1) | CN202796057U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110650411A (en) * | 2019-09-24 | 2020-01-03 | 北京汽车集团越野车有限公司 | Vehicle-mounted directional sound device |
-
2012
- 2012-08-13 CN CN 201220400359 patent/CN202796057U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110650411A (en) * | 2019-09-24 | 2020-01-03 | 北京汽车集团越野车有限公司 | Vehicle-mounted directional sound device |
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| Date | Code | Title | Description |
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| 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: 20130313 Termination date: 20210813 |
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| CF01 | Termination of patent right due to non-payment of annual fee |