CN213426466U - Intelligent sound isolation area device based on vehicle-mounted Ethernet - Google Patents
Intelligent sound isolation area device based on vehicle-mounted Ethernet Download PDFInfo
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- CN213426466U CN213426466U CN202022528215.4U CN202022528215U CN213426466U CN 213426466 U CN213426466 U CN 213426466U CN 202022528215 U CN202022528215 U CN 202022528215U CN 213426466 U CN213426466 U CN 213426466U
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Abstract
The utility model provides an intelligent sound isolation district device based on-vehicle ethernet, including on-vehicle amusement host computer, on-vehicle ethernet gateway, audio frequency regulation controlgear, intelligent sound district controlgear, wherein, on-vehicle amusement host computer, audio frequency regulation controlgear, intelligent sound district controlgear are connected with on-vehicle ethernet gateway through on-vehicle ethernet bus, and intelligent sound district controlgear includes: the sound controller controls the sound output of the micro speakers, and the micro speakers are respectively arranged around the user sitting position in the vehicle and surround the user. Through setting up audio frequency regulation controlgear and intelligent vocal district controlgear for the user can carry out independent control to the directional miniature speaker that is located this vocal district according to intelligent vocal district controlgear, in addition adopts on-vehicle ethernet bus to transmit, reduces signal transmission delay in the demand that satisfies the transmission of bandwidth, further improves user experience.
Description
Technical Field
The utility model relates to an automobile acoustics field especially relates to an intelligent sound isolation district device based on-vehicle ethernet.
Background
With the continuous development of communication technology, the technical development and application of video entertainment become more mature and extensive. The automobile develops towards intellectualization and individuation, and the requirements of drivers and passengers on sound systems are higher and higher. In traditional car, when taking a plurality of people in the car, because the position that the people is in the car is different, everyone hears the audio that plays the music in the car and has the difference. In addition, each person has different tolerance for the loudness of sound. Some people like to open music louder, and conversely, some people like to listen to music louder. Therefore, there is a need for an intelligent acoustic control device that provides independent acoustic zone isolation and control based on the location of occupants in the vehicle.
SUMMERY OF THE UTILITY MODEL
The utility model provides an intelligent sound isolation zone device based on-vehicle ethernet to expect can realize providing independent sound isolation zone according to personnel's in the car position and keep apart and controlling means, specifically:
an intelligent sound isolation zone device based on a vehicle-mounted Ethernet comprises: the system comprises a vehicle-mounted entertainment host, a vehicle-mounted Ethernet gateway, audio regulation control equipment and intelligent sound zone control equipment, wherein the vehicle-mounted entertainment host, the audio regulation control equipment and the intelligent sound zone control equipment are connected with the vehicle-mounted Ethernet gateway through a vehicle-mounted Ethernet bus; the intelligent vocal tract control device comprises: the sound controller controls the sound output of the micro speakers, and the micro speakers are respectively arranged around the user sitting position in the vehicle and surround the user.
The utility model provides an intelligent sound isolation district device based on-vehicle ethernet, furtherly still includes smart antenna, and smart antenna is connected with on-vehicle amusement host computer through on-vehicle ethernet, and smart antenna is connected with cloud ware through wireless mode, acquires audio-visual data.
The utility model provides an intelligence isolation sound zone device based on-vehicle ethernet, furtherly, audio frequency regulation controlgear includes on-vehicle ethernet PHY chip, data buffer, DSP treater, first MCU, and on-vehicle ethernet PHY chip analyzes the data of receiving and sends control signal for first MCU, and audio signal temporarily stores in data buffer, and first MCU calls the built-in algorithm of DSP treater to carry out the tuning to audio signal according to control signal and exports.
An intelligent sound isolation area device based on a vehicle-mounted Ethernet is further provided, wherein the sound controller comprises a second MCU, a DAC digital-to-analog converter, a vehicle-mounted Ethernet PHY chip and a power amplifier; the vehicle-mounted Ethernet PHY chip is responsible for receiving data signals of a vehicle-mounted Ethernet protocol or sending the data signals in the protocol of the vehicle-mounted Ethernet;
and the second MCU calls the DAC digital-to-analog converter to convert the digital signals into analog signals for the signals from the audio regulation control equipment, and the analog signals are output to the micro speakers at different positions for playing after calling the power amplifier for amplification.
The utility model provides an intelligence keeps apart sound zone device based on-vehicle ethernet, furtherly, sound controller still includes man-machine interaction input module, and man-machine interaction input module includes one or more in array microphone, touch screen, the button, and the user passes through man-machine interaction input module control user's miniature speaker all around and broadcast music kind.
An intelligent sound isolation area device based on a vehicle-mounted Ethernet is characterized in that the positions where users in a vehicle sit at least comprise a driving position at the left front side in the vehicle and a sitting position at the right front side in the vehicle;
the method comprises the following steps that 1 or more micro speakers are installed on a left front door of a driving position in a vehicle, 1 or more micro speakers are installed on a seat backrest, 1 or more micro speakers are installed in the front of the seat position, and 1 or more micro speakers are installed on a ceiling in the vehicle;
the micro-speakers comprise directional micro-speakers, and the sound production directions are pointed to corresponding users;
the loudspeaker is characterized in that 1 or more micro-speakers are installed at the position of a door at the front right in the vehicle, 1 or more micro-speakers are installed at the seat back, 1 or more micro-speakers are installed at the front of the seat, and 1 or more micro-speakers are installed at the ceiling in the vehicle.
An intelligent isolation sound zone device based on a vehicle-mounted Ethernet is further provided, wherein a power amplifier comprises one of an AB type power amplifier and a D type power amplifier.
The utility model provides an intelligent sound isolation district device based on-vehicle ethernet, furtherly, sound controller still include bluetooth module, connect intelligent terminal through bluetooth module.
An intelligent sound isolation area device based on a vehicle-mounted Ethernet is characterized in that a vehicle-mounted Ethernet PHY chip adopts BCM89810 or TJA 1101.
The intelligent sound isolation area device based on the vehicle-mounted Ethernet further comprises transmission protocols adopted by a vehicle-mounted Ethernet bus, wherein the transmission protocols comprise an SOME/IP protocol, an SOME/IP-SD protocol and an AVB protocol, control signals or state signals are transmitted by the SOME/IP protocol and the SOME/IP-SD protocol, and audio data are transmitted by the AVB protocol.
The utility model discloses an adopt and keep apart vocal district device based on-vehicle ethernet framework, through setting up audio frequency regulation controlgear and intelligent vocal district controlgear to transmit based on-vehicle ethernet's bus in network transmission, be equipped with in intelligent vocal district controlgear by the directional miniature speaker of power amplifier drive multichannel different audio signal in order to drive the difference, realize the directional input of sound. The user can independently control the directional loudspeaker located in the sound zone according to the corresponding intelligent sound zone control equipment, and the vehicle-mounted Ethernet bus is adopted for transmission, so that the transmission delay of audio and video data is reduced in the requirement of meeting the transmission of the bandwidth, and the user experience is further improved.
Drawings
Other features, objects, and advantages of the invention will become more apparent upon reading the attached drawings in reference to embodiments of the invention:
fig. 1 is a schematic view of a structure of an intelligent isolation sound zone device of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an audio adjusting and controlling apparatus according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of an intelligent sound zone controller according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a micro-speaker installed in an intelligent acoustic zone controller in a vehicle according to an embodiment of the present invention.
Detailed Description
The utility model discloses an intelligence isolation sound zone device based on-vehicle ethernet will be described below with accompanying 1 to 4. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way; it should be noted that, for those skilled in the art, many variations and modifications may be made without departing from the spirit of the invention; these all belong to the protection scope of the present invention.
This implementation provides an intelligent sound isolation district device based on-vehicle ethernet, refer to fig. 1, specifically include: the system comprises a vehicle-mounted entertainment host, a vehicle-mounted Ethernet gateway, audio regulation control equipment and intelligent sound zone control equipment, wherein the vehicle-mounted entertainment host, the audio regulation control equipment and the intelligent sound zone control equipment are connected with the vehicle-mounted Ethernet gateway through a vehicle-mounted Ethernet bus;
the vehicle-mounted Ethernet bus adopted in the implementation is different from the traditional Ethernet bus transmission, except for the difference of transmission protocols, the adopted physical layer structure principle is different. The vehicular Ethernet is based on 100base-T1 in the physical layer.
Specifically, the vehicle-mounted entertainment host stores audio and video multimedia data which needs to be listened and watched by a user, when the user listens to music or watches movies, the user clicks a corresponding application program, when the user selects to listen to music or watch movies, the system packages signals through the kernel Ethernet protocol stack and then sends the packaged signals to the vehicle-mounted Ethernet gateway through the vehicle-mounted Ethernet bus, the vehicle-mounted Ethernet gateway analyzes a target address of the data and then sends the data to the audio regulation control equipment for audio regulation, then outputs audio signals and transmits the audio signals to the vehicle-mounted Ethernet gateway through the vehicle-mounted Ethernet bus, and the vehicle-mounted Ethernet gateway analyzes the target address and then sends the target address to the corresponding intelligent sound zone control equipment for controlling the corresponding sound zone data so as to achieve different sound sizes and output aiming at different users.
Specifically, the audio adjustment control device is used for processing an audio signal, a DSP processing algorithm is built in the audio adjustment control device, and the audio signal is output after being tuned through the DSP algorithm.
Specifically, referring to fig. 2, the audio adjustment control device includes a vehicle-mounted ethernet PHY chip, a data buffer, a DSP processor, and a first MCU, where the vehicle-mounted ethernet PHY chip receives a signal and sends the signal to an ethernet protocol stack to analyze the data and then sends a control signal to the first MCU, the audio signal is temporarily stored in the data buffer, and the first MCU calls a built-in algorithm of the DSP processor according to the control signal to perform tuning processing on the audio signal and then outputs the audio signal.
When the audio regulation control equipment receives a digital signal forwarded by a vehicle-mounted Ethernet gateway, the data is analyzed through a protocol stack and then a control signal is transmitted to the first MCU, the audio signal is temporarily stored in a data buffer area, the first MCU calls a DSP built-in algorithm according to requirements to process the audio signal of the data buffer area, calls the Ethernet stack through an inner core to package the processed audio signal, transmits the packaged audio signal to the vehicle-mounted Ethernet gateway for transfer and then transmits the audio signal to the intelligent sound area control equipment.
The intelligent vocal tract control device comprises: the sound control device controls the sound output of the micro speakers 5, and the micro speakers 5 are respectively arranged around the user sitting position in the vehicle and surround the user;
referring to fig. 3, the sound controller includes a vehicle ethernet PHY chip, a DAC, a second MCU, and a power amplifier, specifically, the sound controller receives an audio signal from the audio adjustment control device through the vehicle ethernet PHY chip, analyzes the data through an ethernet protocol stack, and sends a control signal to the second MCU, the audio signal is transmitted to the DAC, the second MCU calls the DAC to perform digital-to-analog conversion on the audio signal according to the requirement, converts the digital signal into an analog signal, and inputs the analog signal into the power amplifier, the second MCU calls the power amplifier to adjust the output power of the audio analog signal according to the setting and requirement of the micro-speaker 5 to match with the micro-speaker 5 and then outputs the adjusted audio analog signal to the micro-speaker 5 in the corresponding sound zone, the power amplifier output comprises multi-channel input, and corresponding power is input to the corresponding WeChat loudspeaker according to the position and the supper bass setting of the loudspeaker.
The vehicle-mounted ethernet PHY chip of the present embodiment employs BCM89810 or TJA 1101.
Specifically, the intelligent vocal tract control equipment comprises a plurality of, at least 2, a front cab position 1 and a front row right-leaning position 2 in the vehicle.
Referring to fig. 4, the intelligent vocal tract control device includes 4, which are respectively located in the front row two and the back row two, specifically: the two positions of the front row are a front cab position 1 and a front row right position 2 in the vehicle. The two rear rows are the left position 3 and the right position 4 of the rear row in the vehicle.
Specifically, the layout design of the micro-speaker 5 includes:
installing 1 or more micro-speakers 5 on the left front door of a cab position 1 in the vehicle, installing 1 or more micro-speakers 5 on the seat backrest, installing 1 or more micro-speakers 5 in the front of the seat position, and installing 1 or more micro-speakers 5 on the ceiling in the vehicle;
the micro-speakers 5 comprise directional micro-speakers, the sound direction of which is directed towards the respective user;
the front row of the vehicle is provided with 1 or a plurality of micro-speakers 5 near the door position of the right position 2, the seat back is provided with 1 or a plurality of micro-speakers 5, the front part of the seat position is provided with 1 or a plurality of micro-speakers 5, and the ceiling of the vehicle is provided with 1 or a plurality of micro-speakers 5.
Every position sets up a plurality of miniature directional loudspeaker and encircles, controls the power amplifier according to the sound controller and exports different power, adjusts the size of the miniature loudspeaker 5's of different positions output sound, forms the sound zone and keeps apart for only be in the user who corresponds the seat position and can hear the sound, the passenger on other seats can not hear this sound. Therefore, through the sound controller and the directional loudspeakers at different positions, independent sound zone isolation can be formed, mutual noninterference is achieved, and very good experience can be brought to passengers.
The sound controller also comprises a man-machine interaction input module, the man-machine interaction input module comprises one or more of an array microphone, a touch screen and a button, and a user controls the micro loudspeaker 5 around the user and the type of music playing through the man-machine interaction input module.
Specifically, the human-computer interaction input module is implemented as follows: when the array microphone is used as an input interface for man-machine interaction, if the user needs to increase the volume at the moment, the user only needs to say that the sound is increased, the array microphone collects the voice signals and then inputs the voice signals to the second MCU, the second MCU calls the built-in algorithm to convert the voice signals into corresponding sound increase control signals, and then the second MCU calls the power amplifier to amplify the power again and then outputs the power to the micro-speaker 5.
When a driver at a seat position 1 in a front cab in the vehicle wants to listen to a song of a singer, if the driver can say that the song of a Zhang Youyou is played, the array microphone collects voice signals and then inputs the voice signals to the second MCU, the second MCU invokes a built-in algorithm to convert the voice signals into corresponding voice increasing control signals, transmits a command of playing the Zhang Youyou song to the vehicle-mounted Ethernet gateway, forwards the command to the vehicle-mounted entertainment host to perform online search of the Zhang Yoou song, and then acquires related audio data of the Zhang Yoou song for playing.
The sound controller also comprises a Bluetooth module which is connected with the intelligent terminal. For example, when a back-row user wants to listen to music with his/her mobile phone, he/she may connect to the mobile phone through the bluetooth module, and then directly play music and transmit audio data to the second MCU, and the second MCU will call the power amplifier to amplify the power of the audio data and then input the amplified audio data to the micro-speaker 5 corresponding to the user position.
The power amplifier comprises one or more of an AB power amplifier and a D power amplifier, and different power amplifiers can be set by the sound controllers at different positions according to requirements, and the power amplifiers can be the AB power amplifier or the D power amplifier;
the power amplifiers all include multiple outputs to drive a plurality of differently configured directional micro-speakers.
The vehicle-mounted Ethernet bus transmission protocol comprises an SOME/IP protocol, an SOME/IP-SD protocol and an AVB protocol, wherein control signals or state signals are transmitted by the SOME/IP protocol and the SOME/IP-SD protocol, and audio data are transmitted by the AVB protocol.
Through high-speed vehicle-mounted Ethernet transmission, on one hand, the real-time performance of transmission can be guaranteed, and on the other hand, the transmission bandwidth of a vehicle-mounted entertainment host can be met.
The transmission data comprises a diagnosis data stream, an audio-video data stream and a state control message data stream, wherein the diagnosis data provides diagnosis and firmware upgrade based on a DoIP protocol and a UDS protocol. The audio and video data stream has higher real-time requirement, an AVB protocol stack is adopted, SOME/IP and SOME/IP-SD protocol stacks are adopted for control or state information data stream, TSN-based transmission is adopted for control stream, and the transmission time accuracy of data is ensured.
The AVB protocol stack includes: IEEE802.1AS, IEEE802.1Qav, IEEE802.1Qat, IEEE802.1BA, IEEE1722 and IEEE1722.1 protocols adopt AVB protocol stack to make multimedia data transmission reach real-time and synchronous requirements.
The intelligent antenna is used for receiving multimedia data from the outside, and the multimedia data comprises: video, audio, application document data. The intelligent antenna is in wireless connection with external equipment through Bluetooth, WIFI and 5G and used for receiving or transmitting multimedia data.
The intelligent antenna is connected with the entertainment host through the vehicle-mounted Ethernet and is connected with the cloud service in a wireless mode to acquire video data.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides an intelligent sound isolation district device based on-vehicle ethernet which characterized in that includes: the system comprises a vehicle-mounted entertainment host, a vehicle-mounted Ethernet gateway, audio regulation control equipment and intelligent sound zone control equipment, wherein the vehicle-mounted entertainment host, the audio regulation control equipment and the intelligent sound zone control equipment are connected with the vehicle-mounted Ethernet gateway through a vehicle-mounted Ethernet bus; the intelligent vocal tract control device comprises: the sound controller controls the sound output of the micro speakers, and the micro speakers are respectively arranged around the user sitting position in the vehicle and surround the user.
2. The intelligent sound isolation zone device based on the vehicle-mounted Ethernet as claimed in claim 1, further comprising an intelligent antenna, wherein the intelligent antenna is connected with the vehicle-mounted entertainment host through a vehicle-mounted Ethernet bus, and the intelligent antenna is connected with the cloud server in a wireless manner to acquire video and audio data.
3. The vehicle-mounted ethernet-based intelligent sound insulation area device according to claim 1, wherein the audio adjustment control device comprises a vehicle-mounted ethernet PHY chip, a data buffer area, a DSP processor, and a first MCU, wherein the vehicle-mounted ethernet PHY chip parses received data and sends a control signal to the first MCU, the audio signal is temporarily stored in the data buffer area, and the first MCU calls a built-in algorithm of the DSP processor according to the control signal to perform tuning processing on the audio signal and then outputs the audio signal.
4. The vehicle-mounted Ethernet-based intelligent sound isolation area device as claimed in claim 1, wherein the sound controller comprises a second MCU, a DAC digital-to-analog converter, a vehicle-mounted Ethernet PHY chip, and a power amplifier; the vehicle-mounted Ethernet PHY chip is responsible for receiving data signals of a vehicle-mounted Ethernet protocol or sending the data signals in a protocol format of the vehicle-mounted Ethernet; and the second MCU calls the DAC digital-to-analog converter to convert the digital signals into analog signals for the signals from the audio regulation control equipment, and the analog signals are output to the micro speakers at different positions for playing after calling the power amplifier for amplification.
5. The intelligent sound-insulation area device based on the vehicular Ethernet as claimed in claim 4, wherein the sound controller further comprises a man-machine interaction input module, the man-machine interaction input module comprises one or more of an array microphone, a touch screen and a button, and the user controls micro speakers around the user and plays music types through the man-machine interaction input module.
6. The intelligent isolated sound zone device based on vehicle-mounted Ethernet as claimed in claim 1, wherein the positions where the users in the vehicle are seated at least comprise a driving position at the left front in the vehicle and a seating position at the right front in the vehicle;
the method comprises the following steps that 1 or more micro speakers are installed on a left front door of a driving position in a vehicle, 1 or more micro speakers are installed on a seat backrest, 1 or more micro speakers are installed in the front of the seat position, and 1 or more micro speakers are installed on a ceiling in the vehicle;
the micro-speakers comprise directional micro-speakers, and the sound production directions are pointed to corresponding users;
the loudspeaker is characterized in that 1 or more micro-speakers are installed at the position of a door at the front right in the vehicle, 1 or more micro-speakers are installed at the seat back, 1 or more micro-speakers are installed at the front of the seat, and 1 or more micro-speakers are installed at the ceiling in the vehicle.
7. The intelligent isolated acoustic area device based on vehicular Ethernet of claim 4, wherein the power amplifier comprises one of class AB power amplifier and class D power amplifier.
8. The intelligent sound-insulation-region device based on the vehicular Ethernet as claimed in claim 4, wherein the sound controller further comprises a Bluetooth module, and the Bluetooth module is connected with the intelligent terminal.
9. The intelligent isolated sound zone device based on vehicle-mounted Ethernet of claim 3, wherein the PHY chip of the vehicle-mounted Ethernet adopts BCM89810 or TJA 1101.
10. The intelligent isolated sound zone device based on vehicle-mounted Ethernet as claimed in claim 6, wherein the transmission protocols adopted by the vehicle-mounted Ethernet bus comprise SOME/IP protocol, SOME/IP-SD protocol and AVB protocol, wherein the control signal or the status signal is transmitted by SOME/IP protocol or SOME/IP-SD protocol, and the audio data is transmitted by AVB protocol.
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| CN202022528215.4U CN213426466U (en) | 2020-11-05 | 2020-11-05 | Intelligent sound isolation area device based on vehicle-mounted Ethernet |
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| CN202022528215.4U CN213426466U (en) | 2020-11-05 | 2020-11-05 | Intelligent sound isolation area device based on vehicle-mounted Ethernet |
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