CN204832953U - Device of making an uproar falls in on -vehicle initiative of plug -and -play formula - Google Patents
Device of making an uproar falls in on -vehicle initiative of plug -and -play formula Download PDFInfo
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- CN204832953U CN204832953U CN201520631208.3U CN201520631208U CN204832953U CN 204832953 U CN204832953 U CN 204832953U CN 201520631208 U CN201520631208 U CN 201520631208U CN 204832953 U CN204832953 U CN 204832953U
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Abstract
The utility model provides a device of making an uproar falls in on -vehicle initiative of plug -and -play formula, the device include adapter, engine monitoring module, treater, audio frequency module and power module, and noise signal in the adapter collection vehicle transferes the treater, the engine monitoring module is monitored the operation conditions of engine and is sent a signal for the treater, treater received signal carries out assay and processing, draws to suppress noise signal and erupt simultaneously and give the audio frequency module, the audio frequency module superposes back output for on -vehicle sound system including the first audio frequency receiving element who is used for the audio signal of receiving process ware, second audio frequency receiving element and the audio output unit that is used for receiving the next audio signal of outside handheld device conveying, audio output unit with first audio frequency receiving element and the next audio signal of second audio frequency receiving element conveying. Above -mentioned device can transmit for on -vehicle sound system restraining noise signal, noise signal with restrain noise signal and cross after the stack just can cancel each other out to reach and fall the effect of making an uproar in the car.
Description
Technical field
The utility model relates to automotive field, particularly relates to the vehicle-mounted active noise reducing device of a kind of instant inserted and instant using type.
Background technology
Automobile can produce noise in motion, and the source of noise mainly comprises that tire is made an uproar, wind is made an uproar and engine noise etc., is delivered to the noise in car and causes very large impact for the riding comfort of automobile.The method of Traditional control noise pollution mainly adopts Passive Shape Control technology, namely adopts the acoustic method noise reductions such as sound absorption, sound insulation, but the sound-absorbing of a lot of economy car, sound insulation are poor.
A kind of active noise reduction system is had in prior art, when automobile produces noise, the Noise Acquisition that acoustic sensor will produce throughout, the signal obtained arranges through Signal-regulated kinase and amplifies and be converted to digital signal input vehicle electronic control unit (ECU, car running computer), vehicle electronic control unit carries out spectrum analysis according to mode of operation to signal, waveform is detected and processes, and carry out anti-phase to it, anti-phase noise after vehicle electronic control unit process is input to noise source everywhere through loudspeaker, superpose with internal car noise, because amplitude same phase is contrary, both disappear mutually in superposition, thus reach the object of active suppression internal car noise.But this active noise reduction system is generally integrated in deluxe carmodel when automobile dispatches from the factory, and need directly to be connected with running computer, cost is high, forms complicated, cannot directly apply to other vehicles.
Utility model content
The utility model provides the vehicle-mounted active noise reducing device of a kind of instant inserted and instant using type to solve above-mentioned technical matters.
The vehicle-mounted active noise reducing device of a kind of instant inserted and instant using type, it is characterized in that, this device comprises acoustic pickup, engine monitoring module, processor, audio-frequency module and power module,
Described acoustic pickup is used for the noise signal in collecting cart and sound signal is converted into digital data transmission to processor;
The operation conditions signal of engine for being connected to OBD (OBD) interface of automobile with the operation conditions of monitoring engine, and is sent to processor by described engine monitoring module;
Described processor receives signal that acoustic pickup and engine monitoring module send and carries out the treatment and analysis of signal, calculates the sound signal with noise phase 180 degree, and sound signal is sent to audio-frequency module;
Described audio-frequency module comprises the first audio frequency receiving element and audio output unit, the sound signal that the first audio frequency receiving element receiving processor sends, and the sound signal that the first audio frequency receiving element sends is exported to car audio system by audio output unit;
Described power module is used for powering for acoustic pickup, engine monitoring module, processor and audio-frequency module.
In an embodiment of the present utility model, described audio-frequency module comprises with the second audio frequency receiving element further, the sound signal that second audio frequency receiving element sends for receiving outside handheld device, audio output unit exports to car audio system after the sound signal that the first audio frequency receiving element and the second audio frequency receiving element send being superposed.
In an embodiment of the present utility model, described acoustic pickup has several, for collecting the noise signal at diverse location place respectively.
Whether, in an embodiment of the present utility model, described engine monitoring module comprises startup monitoring unit, start monitoring unit and operate for monitoring engine, and corresponding enabling signal is sent to processor.
In an embodiment of the present utility model, described engine monitoring module comprises running monitoring unit, and running monitoring unit is used for the running noise of monitoring engine, and corresponding noise signal is sent to processor.
In an embodiment of the present utility model, described audio output unit is bluetooth module, and the bluetooth module of bluetooth module and vehicle-mounted sound box system matches the transmission carrying out sound signal.
In an embodiment of the present utility model, described audio output unit is audio output interface, utilizes tone frequency channel wire to be connected with car audio system by the audio input interface of sound signal via automobile.
In an embodiment of the present utility model, described power module comprises a cigar lighter power taking head, directly carries out power taking for being plugged in vehicle-mounted cigarette lighter power taking hole.
In an embodiment of the present utility model, described second audio frequency receiving element is provided with bluetooth module, and bluetooth module and handheld device are carried out Bluetooth matching and be connected.
In an embodiment of the present utility model, described second audio frequency receiving element is provided with audio output interface, utilizes tone frequency channel wire the second audio frequency receiving element and handheld device carried out being connected and carry out audio transmission.
The vehicle-mounted active noise reducing device of above-mentioned instant inserted and instant using type, the noise signal in acoustic pickup and engine monitoring module collecting cart and engine signal can be utilized and be transferred to processor, produce after treated device analyzing and processing and suppress noise signal accordingly, car audio system is transferred to through audio-frequency module, noise signal and suppression noise signal just can be cancelled out each other after crossing and superposing and be reached the effect of noise reduction in car, and this device can configure and be used on any common automobile, plug and play, highly versatile.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model and beneficial effect thereof are described in detail.
Fig. 1 is the schematic diagram of the better embodiment of the vehicle-mounted active noise reducing device of the utility model instant inserted and instant using type.
Embodiment
In order to make the purpose of this utility model, technical scheme and Advantageous Effects thereof more clear, below in conjunction with the drawings and specific embodiments, the utility model is further elaborated.Should be understood that, the embodiment described in this instructions is only used to explain the utility model, is not intended to limit the utility model.
About embodiment:
Refer to Fig. 1, the better embodiment of the vehicle-mounted active noise reducing device of a kind of instant inserted and instant using type of the utility model comprises acoustic pickup 10, engine monitoring module 20, processor 30, audio-frequency module 40 and power module 50.
Acoustic pickup 10 is used for the noise signal in collecting cart sound signal is converted into digital data transmission to processor 30.Arrange several acoustic pickups 10 in the present embodiment, car owner is positioned over suitable position as required respectively, such as pilothouse top, copilot top and back row seats top etc., for collecting the noise signal of corresponding position respectively.
Engine monitoring module 20 is connected to the operation conditions of OBD interface (OnBoardDiagnostics, OBD) for monitoring engine of automobile, and the operation conditions signal of engine is sent to processor 30.In the present embodiment, engine monitoring module 20 comprises startup monitoring unit 22 and running monitoring unit 24.Whether start monitoring unit 22 to operate for monitoring engine, and corresponding enabling signal is sent to processor 30, corresponding noise signal for the running noise of monitoring engine, and is sent to processor 30 by running monitoring unit 24.
Processor 30 receives signal that acoustic pickup 10 and engine monitoring module 20 send and carries out the treatment and analysis of signal, calculates the sound signal with noise phase 180 degree, and sound signal is sent to audio-frequency module 40.
Audio-frequency module 40 comprises the first audio frequency receiving element 42, audio output unit 44 and with the second audio frequency receiving element 46.The sound signal that first audio frequency receiving element 42 receiving processor 30 sends also sends to audio output unit 44.Second audio frequency receiving element 46 receives for connecting mobile phone, Mp 3 player etc. with the handheld device 60 of music playback function the sound signal that this handheld device 60 sends, and then the sound signal that the handheld device 60 received is play is sent to audio output unit 44.Audio output unit 44 exports to car audio system after the sound signal that first audio frequency receiving element 42 and the second audio frequency receiving element 46 send being superposed.And then produce suppression noise signal that is identical with amplitude with frequency noise, phase 180 degree by the sound system that automobile carries.Noise signal and suppression noise signal just can be cancelled out each other after crossing and superposing and be reached noise reduction in car, improve the comfortableness taken.
In the present embodiment, audio output unit 44 is provided with bluetooth module, and the bluetooth module of bluetooth module and vehicle-mounted sound box system matches the transmission carrying out sound signal.In other embodiments, audio output unit 44 is provided with audio output interface, utilizes tone frequency channel wire to be connected with car audio system by the audio input interface (AUX interface) of sound signal via automobile.Second audio frequency receiving element 46 is provided with bluetooth module, and bluetooth module carries out Bluetooth matching with handheld device 60 and is connected.In other embodiments, the second audio frequency receiving element 46 is provided with audio output interface, utilizes tone frequency channel wire carried out being connected with handheld device 60 by the second audio frequency receiving element 46 and carry out audio transmission.
Power module 50 is for powering for acoustic pickup 10, engine monitoring module 20, processor 30 and audio-frequency module 40.In the present embodiment, power module 50 comprises a cigar lighter power taking head 52, directly carries out power taking for being plugged in vehicle-mounted cigarette lighter power taking hole.In other embodiments, power module also can be common batteries or rechargeable battery.
Common economy car soundproof effect is poor, tire is made an uproar, wind is made an uproar and engine noise etc. is delivered to the noise in car and causes very large impact for the riding comfort of automobile, the vehicle-mounted active noise reducing device of the utility model instant inserted and instant using type as one independently electronic installation can buy separately and configure and be used on any common automobile.During use, the cigarette lighter dateline 52 of vehicle-mounted for the utility model instant inserted and instant using type active noise reducing device is plugged in vehicle-mounted cigarette lighter power taking hole be energized to device, some acoustic pickups 10 are positioned over suitable position by car owner as required respectively, and audio output unit 44 is connected with car audio system by bluetooth module or AUX interface.Automobile starting, during engine running, start monitoring unit 22 monitoring engine to start running to engine, send enabling signal to processor 30, processor 30 starts to receive running monitoring unit 24 and the noise signal that sends of acoustic pickup 10 and carries out analyzing and processing, calculate the sound signal with noise phase 180 degree, and sound signal is sent to the first audio frequency receiving element 42 of audio-frequency module 40, sound signal is exported to car audio system by audio output unit 44, and then produce identical with amplitude with frequency noise by the sound system that automobile carries, the suppression noise signal of phase 180 degree.Noise signal and suppression noise signal just can be cancelled out each other after crossing and superposing and be reached noise reduction in car, improve the comfortableness taken.
Simultaneously, second audio frequency receiving element 46 can connect mobile phone, Mp 3 player etc. with the handheld device 60 of music playback function and receive the sound signal that this handheld device 60 sends, and then the sound signal that the handheld device 60 received is play is sent to audio output unit 44.Audio output unit 44 exports to car audio system after the sound signal that first audio frequency receiving element 42 and the second audio frequency receiving element 46 send being superposed, and so, namely reaches noise reduction in car, also can play the music of handheld device 60 simultaneously.
In sum, the vehicle-mounted active noise reducing device of instant inserted and instant using type of the present utility model at least has following advantage:
1. the vehicle-mounted active noise reducing device of instant inserted and instant using type of the present utility model as one independently electronic installation can buy separately and configure and be used on any common automobile, plug and play, highly versatile.
2. in the vehicle-mounted active noise reducing device of instant inserted and instant using type of the present utility model, acoustic pickup 10 is used for the noise signal in collecting cart sound signal is converted into digital data transmission and suppresses noise signal to processor 30 accordingly to produce, and the position of acoustic pickup 10 can according to any putting position of the needs of car owner.
3. the vehicle-mounted active noise reducing device of instant inserted and instant using type of the present utility model is provided with engine monitoring module 20 and is used for collecting the noise signal of engine and sound signal is converted into digital data transmission and suppresses noise signal to processor 30 accordingly to produce.
4. the audio-frequency module 40 of the vehicle-mounted active noise reducing device of instant inserted and instant using type of the present utility model is provided with the second audio frequency receiving element 46, second audio frequency receiving element 46 can connect mobile phone, Mp 3 player etc. with the handheld device 60 of music playback function and receive the sound signal that this handheld device 60 sends, car audio system is exported to after the suppression noise signal sent with the first audio frequency receiving element 42 superposes, so, namely reach noise reduction in car, also can play the music of handheld device 60 simultaneously.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also carry out suitable change and amendment to above-mentioned embodiment.Therefore, the utility model is not limited to embodiment disclosed and described above, also should fall in the protection domain of claim of the present utility model modifications and changes more of the present utility model.In addition, although employ some specific terms in this instructions, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (10)
1. the vehicle-mounted active noise reducing device of instant inserted and instant using type, is characterized in that, this device comprises acoustic pickup, engine monitoring module, processor, audio-frequency module and power module,
Described acoustic pickup is used for the noise signal in collecting cart and sound signal is converted into digital data transmission to processor;
The operation conditions signal of engine for being connected to OBD (OBD) interface of automobile with the operation conditions of monitoring engine, and is sent to processor by described engine monitoring module;
Described processor receives signal that acoustic pickup and engine monitoring module send and carries out the treatment and analysis of signal, calculates the sound signal with noise phase 180 degree, and sound signal is sent to audio-frequency module;
Described audio-frequency module comprises the first audio frequency receiving element and audio output unit, the sound signal that the first audio frequency receiving element receiving processor sends, and the sound signal that the first audio frequency receiving element sends is exported to car audio system by audio output unit;
Described power module is used for powering for acoustic pickup, engine monitoring module, processor and audio-frequency module.
2. the vehicle-mounted active noise reducing device of instant inserted and instant using type according to claim 1, it is characterized in that: described audio-frequency module comprises the second audio frequency receiving element further, the sound signal that second audio frequency receiving element sends for receiving outside handheld device, audio output unit exports to car audio system after the sound signal that the first audio frequency receiving element and the second audio frequency receiving element send being superposed.
3. the vehicle-mounted active noise reducing device of instant inserted and instant using type according to claim 1, is characterized in that: described acoustic pickup has several, for collecting the noise signal at diverse location place respectively.
4. the vehicle-mounted active noise reducing device of instant inserted and instant using type according to claim 1, is characterized in that:
Whether described engine monitoring module comprises startup monitoring unit, start monitoring unit and operate for monitoring engine, and corresponding enabling signal is sent to processor.
5. the vehicle-mounted active noise reducing device of instant inserted and instant using type according to claim 1, is characterized in that:
Described engine monitoring module comprises running monitoring unit, and running monitoring unit is used for the running noise of monitoring engine, and corresponding noise signal is sent to processor.
6. the vehicle-mounted active noise reducing device of instant inserted and instant using type according to claim 1, is characterized in that:
Described audio output unit is bluetooth module, and the bluetooth module of bluetooth module and vehicle-mounted sound box system matches the transmission carrying out sound signal.
7. the vehicle-mounted active noise reducing device of instant inserted and instant using type according to claim 1, is characterized in that:
Described audio output unit is provided with audio output interface, utilizes tone frequency channel wire to be connected with car audio system by the audio input interface of sound signal via automobile.
8. the vehicle-mounted active noise reducing device of instant inserted and instant using type according to claim 1, is characterized in that:
Described power module comprises a cigar lighter power taking head, directly carries out power taking for being plugged in vehicle-mounted cigarette lighter power taking hole.
9. the vehicle-mounted active noise reducing device of instant inserted and instant using type according to claim 1, is characterized in that:
Described second audio frequency receiving element is provided with bluetooth module, and bluetooth module and handheld device are carried out Bluetooth matching and be connected.
10. the vehicle-mounted active noise reducing device of instant inserted and instant using type according to claim 1, is characterized in that:
Described second audio frequency receiving element is provided with audio output interface, utilizes tone frequency channel wire the second audio frequency receiving element and handheld device carried out being connected and carry out audio transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520631208.3U CN204832953U (en) | 2015-08-20 | 2015-08-20 | Device of making an uproar falls in on -vehicle initiative of plug -and -play formula |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520631208.3U CN204832953U (en) | 2015-08-20 | 2015-08-20 | Device of making an uproar falls in on -vehicle initiative of plug -and -play formula |
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| CN204832953U true CN204832953U (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520631208.3U Expired - Fee Related CN204832953U (en) | 2015-08-20 | 2015-08-20 | Device of making an uproar falls in on -vehicle initiative of plug -and -play formula |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109686356A (en) * | 2018-11-14 | 2019-04-26 | 上海迪彼电子科技有限公司 | A kind of vehicle power amplifier integrated system of ANC active noise reduction |
| CN111739497A (en) * | 2020-07-28 | 2020-10-02 | 深圳巴金科技有限公司 | Car fills and K sings system in car |
-
2015
- 2015-08-20 CN CN201520631208.3U patent/CN204832953U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109686356A (en) * | 2018-11-14 | 2019-04-26 | 上海迪彼电子科技有限公司 | A kind of vehicle power amplifier integrated system of ANC active noise reduction |
| CN111739497A (en) * | 2020-07-28 | 2020-10-02 | 深圳巴金科技有限公司 | Car fills and K sings system in car |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20160820 |
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| CF01 | Termination of patent right due to non-payment of annual fee |