CN219533854U - Vehicle-mounted audio device and vehicle - Google Patents
Vehicle-mounted audio device and vehicle Download PDFInfo
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- CN219533854U CN219533854U CN202223440799.5U CN202223440799U CN219533854U CN 219533854 U CN219533854 U CN 219533854U CN 202223440799 U CN202223440799 U CN 202223440799U CN 219533854 U CN219533854 U CN 219533854U
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Abstract
The disclosure relates to the technical field of vehicles, in particular to a vehicle-mounted audio device and a vehicle. The in-vehicle audio device includes: the system comprises a control assembly, a safety early warning assembly and a loudspeaker; the safety early warning component is connected with a loudspeaker through a third port; the control component is connected with the loudspeaker through the first port and the second port; the control component outputs entertainment audio signals to the loudspeaker through the first port and is used for initiating communication based on the accident signals, and outputs communication voice signals to the loudspeaker through the second port; the safety early warning component is used for sensing safety risk and outputting a safety early warning signal to the loudspeaker through the third port; the entertainment audio signal is used for controlling the loudspeaker to play entertainment audio, the communication voice signal is used for controlling the loudspeaker to play communication voice, and the safety precaution signal is used for controlling the loudspeaker to play safety precaution voice. As above, entertainment audio, communication voice and early warning voice are applied to the same loudspeaker, so that the material cost is saved, and the internal space of the vehicle is saved.
Description
Technical Field
The disclosure relates to the technical field of vehicles, in particular to a vehicle-mounted audio device and a vehicle.
Background
The E-Call (Emergency Call) emergency call system is generally applied to a vehicle, which can upload information about an accident location, an accident type and the vehicle using a mobile phone and a satellite positioning function after a traffic accident occurs, and the rescue platform calls back a person through voice to acquire or confirm additional information. The existing E-Call emergency Call system generally uses a single loudspeaker as an E-Call loudspeaker, namely, a loudspeaker is additionally added besides the original loudspeaker for entertainment and alarming in a vehicle, and the E-Call loudspeaker is responsible for playing communication voice in the process of voice communication between an alarming person and a rescue center.
Based on the above description, the existing E-Call emergency Call system requires an additional dedicated E-Call speaker, which increases material cost, and the arrangement of the newly added E-Call speaker can occupy the internal space of the vehicle, compressing the usage space of other parts in the vehicle.
Disclosure of Invention
In order to solve the above technical problems or at least partially solve the above technical problems, the present disclosure provides a vehicle-mounted audio device and a vehicle.
In a first aspect, the present disclosure provides a car audio apparatus, the apparatus comprising:
the system comprises a control assembly, a safety early warning assembly and a loudspeaker;
the control component is connected with the loudspeaker through a first port and a second port; the safety early warning component is connected with the loudspeaker through a third port;
the control component is used for outputting entertainment audio signals to the loudspeaker through the first port, and is used for initiating communication based on the received accident signals, and outputting communication voice signals to the loudspeaker through the second port; the safety early warning component is used for sensing safety risks and outputting safety early warning signals to the loudspeaker through the third port after the safety risks are determined to exist;
the entertainment audio signal is used for controlling the loudspeaker to play entertainment audio, the communication voice signal is used for controlling the loudspeaker to play communication voice, and the safety precaution signal is used for controlling the loudspeaker to play safety precaution voice.
Optionally, the speaker includes a first input terminal, a second input terminal, a first output terminal, a second output terminal, a third input terminal, and a third output terminal;
the first input end and the first output end are connected with the first port; the second input end and the second output end are connected with the second port; the third input end and the third output end are connected with the third port.
Optionally, the speaker includes a first pin, a second pin, a third pin, a fourth pin, a fifth pin, and a sixth pin;
the first pin and the second pin form a first integral metal sheet, the third pin and the fourth pin form a second integral metal sheet, and the fifth pin and the sixth pin form a third integral metal sheet; the first pin is used as the first input end, the second pin is used as the second input end, the third pin is used as the first output end, the fourth pin is used as the second output end, the fifth pin is used as the third input end, and the sixth pin is used as the third output end.
Optionally, the control component comprises a microcontroller, a digital signal processor, and a power amplifier;
the microcontroller is connected with the digital signal processor, the digital signal processor is connected with the power amplifier, and the power amplifier is connected with the loudspeaker;
the microcontroller is used for outputting the entertainment audio signal and/or the communication voice signal to the digital signal processor and initiating communication based on the received accident signal; the digital signal processor is used for converting the entertainment audio signal and/or the communication voice signal into a bit analog signal and outputting the bit analog signal to the power amplifier; the power amplifier is used for amplifying the analog signal.
Optionally, the apparatus further comprises a backup power source;
the standby power supply is connected with the control assembly and the loudspeaker; the backup power supply supplies power to the control assembly and the speaker when power to the control assembly and the speaker is stopped by a power supply in the vehicle.
Optionally, the device further comprises a power amplifier component;
the power amplifier component is connected with the control component and the loudspeaker;
the control assembly is further used for outputting the entertainment audio signal to the power amplification assembly through the first port, and the power amplification assembly is used for amplifying the entertainment audio signal and outputting the entertainment audio signal to the loudspeaker.
Optionally, the device further comprises a car audio bus;
the control component outputs the entertainment audio signal to the power amplifier component through the vehicle-mounted audio bus.
Optionally, the apparatus further comprises a microphone assembly;
the microphone assembly is connected with the control assembly and is used for receiving sound information.
Optionally, the device further comprises a communication component;
the communication component is connected with the control component and is used for communicating with the terminal equipment.
In a second aspect, the present disclosure also provides a vehicle comprising the in-vehicle audio device according to any one of the first aspects.
Compared with the prior art, the technical scheme provided by the disclosure has the following advantages:
the present disclosure provides a vehicle-mounted audio device and a vehicle. The in-vehicle audio device includes: the system comprises a control assembly, a safety early warning assembly and a loudspeaker; the safety early warning component is connected with a loudspeaker through a third port; the control component is connected with the loudspeaker through the first port and the second port; the control component is used for outputting entertainment audio signals to the loudspeaker through the first port, initiating communication based on the received accident signals and outputting communication voice signals to the loudspeaker through the second port; the safety early warning component is used for sensing safety risk and outputting a safety early warning signal to the loudspeaker through the third port after the safety risk is determined to exist; the entertainment audio signal is used for controlling the loudspeaker to play entertainment audio, the communication voice signal is used for controlling the loudspeaker to play communication voice, and the safety precaution signal is used for controlling the loudspeaker to play safety precaution voice. As described above, the present disclosure applies communication voice for entertainment audio, for emergency communication, and early warning voice for sending out safety warning to the same speaker, that is, the vehicle-mounted audio device in the present disclosure may output an entertainment audio signal to the speaker through the first port when in normal use, that is, for example, music, broadcast, etc., may send out safety warning through the same speaker when it is determined that there is a safety risk, and may initiate communication after an accident signal is received, and output a communication voice signal to the speaker through the first port when an accident occurs to the vehicle; the same loudspeaker is used for playing entertainment audio and alarming when safety risks exist, and is also used for playing communication voice after accidents occur, so that the technical scheme provided by the disclosure does not need to use various loudspeakers for different scenes, and can be used for working under a plurality of scenes through the same loudspeaker, material cost is saved, and the internal space of a vehicle is saved.
Drawings
Fig. 1 is a schematic structural diagram of a car audio device according to a prior art;
fig. 2 is a schematic structural diagram of a first vehicle-mounted audio device according to an embodiment of the disclosure;
fig. 3 is a schematic diagram of a speaker structure according to a prior art scheme;
fig. 4 is a schematic diagram of a speaker structure according to an embodiment of the disclosure;
fig. 5 is a schematic view of a first integrated metal sheet according to an embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of a second vehicle-mounted audio device according to an embodiment of the disclosure.
Detailed Description
In order that the above objects, features and advantages of the present disclosure may be more clearly understood, a further description of aspects of the present disclosure will be provided below. It should be noted that, without conflict, the embodiments of the present disclosure and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced otherwise than as described herein; it will be apparent that the embodiments in the specification are only some, but not all, embodiments of the disclosure.
Fig. 1 is a schematic structural diagram of a car audio device according to a prior art scheme. As shown in fig. 1, in the prior art, a vehicle is generally provided with two sets of speakers, in fig. 1, 11 represents a vehicle machine, 12 represents a speaker for playing entertainment audio, and 13 represents a speaker for playing communication voice, i.e., a dedicated E-Call speaker, when an accident occurs in the vehicle and emergency communication occurs; in normal use, the car machine plays entertainment audio through the speaker 12, and in the event of an accident, the car machine plays communication voice through the speaker 13. Under the premise of adopting the scheme, the material cost is increased, namely, the loudspeaker is additionally added, in addition, the E-Call loudspeaker is generally arranged on the instrument desk, so that the E-Call loudspeaker occupies the arrangement space of the instrument desk, occupies the space of other parts, and the mesh enclosure of the E-Call loudspeaker has adverse effect on the modeling design of the instrument desk.
Based on the above problems, embodiments of the present disclosure provide a car audio device and a vehicle.
An exemplary description is made below of a car audio device and a vehicle provided in an embodiment of the present disclosure with reference to the accompanying drawings.
Fig. 2 is a schematic structural diagram of a first vehicle-mounted audio device according to an embodiment of the disclosure, where the device includes:
a control assembly 21, a safety precaution assembly 22 and a speaker 23;
the control assembly 21 is connected to the speaker 23 through a first port 211 and a second port 212; the safety precaution component 22 is connected with the loudspeaker 23 through the third port 221;
the control assembly 21 is configured to output an entertainment audio signal to the speaker 23 via the first port 211 or to initiate communication based on a received incident signal and to output a communication voice signal to the speaker 23 via the second port 212; the safety pre-warning component 22 is configured to sense a safety risk, and output a safety pre-warning signal to the speaker 23 through the third port 221 after determining that the safety risk exists;
the entertainment audio signal is used for controlling the loudspeaker 23 to play entertainment audio, the communication voice signal is used for controlling the loudspeaker 23 to play communication voice, and the safety precaution signal is used for controlling the loudspeaker 23 to play safety precaution voice.
In particular, the control assembly 21 may be a controller in a vehicle, such as a microcontroller (MCU, microcontroller Unit) or the like; entertainment audio signals represent audio signals for entertainment, such as music audio signals, broadcast audio signals, news audio signals, live audio signals, and the like; the communication voice signal indicates that the communication object emits an audio signal corresponding to voice, such as an inquiry address of the communication object, etc. The control component can be respectively connected to the loudspeaker 23 through the first port 211 and the second port, when playing entertainment audio, the first port 211 outputs the entertainment audio signal to the loudspeaker 23, when a vehicle accident happens, the control component 21 receives the accident signal and can initiate communication based on the instruction of a user in the vehicle or initiative, the second port 212 outputs the communication voice signal to the loudspeaker 23, so that the loudspeaker 23 plays communication voice, and at the moment, the control component 21 can also control the entertainment audio signal to be silent, namely stop outputting the entertainment audio signal to the loudspeaker 23 through the first port 211, or output the silent entertainment audio signal to the loudspeaker 23 through the first port 211, and the like. When the safety pre-warning component judges that the vehicle has safety risk, a safety pre-warning signal can be generated, and the safety pre-warning signal is sent to the loudspeaker 23 through the third port so as to control the loudspeaker 23 to send safety pre-warning voice to prompt a user to pay attention to safety.
Based on the above-described devices, the embodiments of the present disclosure apply the communication voice for entertainment audio and for emergency communication to the same speaker 23, i.e., the car audio device in the present disclosure can output an entertainment audio signal, i.e., for example, music, broadcasting, etc., to the speaker 23 through the first port in normal use, while an accident occurs in the vehicle; after judging that the safety risk exists, the safety precaution can be sent out through the same loudspeaker 23; after receiving the accident signal, the communication can be initiated, and the communication voice signal is output to the loudspeaker 23 through the first port, namely, the same loudspeaker 23 is used for playing entertainment audio and safety precaution voice, and playing the communication voice after the accident, but in the prior art, different loudspeakers are used for playing the entertainment audio, the communication voice and the safety precaution voice respectively, so that compared with the prior art, the technical scheme provided by the present disclosure optimizes redundant loudspeakers in the vehicle, thereby saving material cost and internal space of the vehicle.
In some embodiments, speaker 23 includes a first input, a second input, a first output, a second output, a third input, and a third output;
the first input end and the first output end are connected with the first port 211; the second input and the second output are connected to the second port 212; the third input and the third output are connected to the third port 221.
Specifically, in order that the same speaker 23 can receive the entertainment audio signal and the communication voice signal simultaneously without changing the connection mode, the speaker 23 in the embodiment of the disclosure is improved with respect to the existing speaker 23, and the existing speaker 23 generally includes only one input port and one output port, while the speaker 23 in the embodiment of the disclosure includes a first input terminal, a second input terminal, a third input terminal, a first output terminal, a second output terminal and a third output terminal; by connecting the first input end and the first output end to the first port 211 and connecting the second input end and the second output end to the second port 212, wherein the first input end and the first output end are used for realizing the transmission of entertainment audio signals between the control assembly 21 and the speaker 23, the second input end and the second output end are used for realizing the transmission of communication voice signals between the control assembly 21 and the speaker 23, and the third input end and the third output end are used for realizing the transmission of safety pre-warning signals between the safety pre-warning assembly 22 and the speaker 23, so that the speaker 23 can simultaneously receive the entertainment audio signals, the communication voice signals and the safety pre-warning signals without changing the connection mode.
Fig. 3 is a schematic diagram of a speaker structure according to a prior art scheme; fig. 4 is a schematic diagram of a speaker structure according to an embodiment of the disclosure. In some embodiments, speaker 23 includes a first pin 41, a second pin 42, a third pin 43, a fourth pin 44, a fifth pin 45, and a sixth pin 46;
fig. 5 is a schematic structural view of a first integrated metal sheet according to an embodiment of the present disclosure. The first pin 41 and the second pin 42 form a first integral metal sheet, the third pin 43 and the fourth pin 44 form a second integral metal sheet, and the fifth pin 45 and the sixth pin 46 form a third integral metal sheet; the first pin 41 serves as a first input, the second pin 42 serves as a second input, the third pin 43 serves as a first output, the fourth pin 44 serves as a second output, the fifth pin 45 serves as a third input, and the sixth pin 46 serves as a third output.
Referring first to fig. 3, the conventional speaker 23 generally includes only two pins, 31 in fig. 3 indicating an input terminal, and 32 in fig. 3 indicating an output terminal, and by connecting the input terminal and the output terminal of the speaker 23 to a predetermined port, the speaker 23 can play sound when receiving an audio signal, but has a disadvantage in that it can receive a signal from only one port. Referring to fig. 4 and 5, in the embodiment of the present disclosure, the first pin 41 and the second pin 42 form a first integral metal sheet, the third pin 43 and the fourth pin 44 form a second integral metal sheet, the fifth pin 45 and the sixth pin 46 form a third integral metal sheet, and the third integral metal sheet structure and the second integral metal sheet structure are the same as the first integral metal sheet structure, and are not shown in the drawings for brevity of description. Through making first pin 41 and second pin 42 on same sheetmetal, speaker 23 can connect first port 211 and second port 212 simultaneously, realizes receiving simultaneously the amusement audio signal from first port 211 and the communication voice signal from second port 212 under the prerequisite of not changing the wiring mode, can also guarantee the single voice coil form of speaker 23, prevents the influence to speaker 23 performance, other pins are the same. It should be noted that, although the shapes and the like of the pins are exemplified in the above embodiments, it is not represented that they can be implemented only in this way. In some other embodiments, the speaker 23 may also include more pins, for example, on the first integral sheet metal and on the second integral sheet metal, to enable more ports of audio to be played through the same speaker 23.
Fig. 6 is a schematic structural diagram of a second vehicle-mounted audio device according to an embodiment of the disclosure. In some embodiments, control assembly 21 includes a microcontroller 61, a digital signal processor 62, a power amplifier 63;
the microcontroller 61 is connected with the digital signal processor 62, the digital signal processor 62 is connected with the power amplifier 63, and the power amplifier 63 is connected with the loudspeaker 23;
the microcontroller 61 is for outputting entertainment audio signals and/or communication voice signals to the digital signal processor 62 and for initiating communication based on the received accident signal; the digital signal processor 62 is used for converting the entertainment audio signal and/or the communication voice signal into a bit analog signal and outputting the bit analog signal to the power amplifier 63; the power amplifier 63 is used to amplify the analog signal.
Specifically, the microcontroller 61 may be an MCU, the digital signal processor 62 may be a DSP (Digital Signal Processing ), the power amplifier 63 may be a class D (an audio amplifier), and the control assembly 21 may be a car machine in a real scene.
With continued reference to fig. 6, in some embodiments, the apparatus further comprises a power amplifier assembly 65;
the power amplifier assembly 65 is connected with the control assembly 21 and the loudspeaker 23;
the control assembly 21 is further configured to output an entertainment audio signal to the power amplifier assembly 65 through the first port 211, and the power amplifier assembly 65 is configured to amplify the entertainment audio signal and output the amplified entertainment audio signal to the speaker 23.
With continued reference to fig. 6, in some embodiments, the apparatus further includes an in-vehicle audio bus 66;
the control assembly 21 outputs entertainment audio signals to the power amplifier assembly 65 via the car audio bus 66.
With continued reference to fig. 6, in some embodiments, the apparatus further includes a microphone assembly 67;
the microphone assembly 67 is connected to the control assembly 21, and the microphone assembly 67 is configured to receive sound information.
With continued reference to fig. 6, in some embodiments, the apparatus further includes a communication component 68;
the communication module 68 is connected to the control module 21, and the communication module 68 is used for communicating with the terminal device.
Specifically, when playing entertainment content, the microcontroller 61 parses the sound source and outputs the output value to the digital signal processor 62; the digital signal processor 62 converts the entertainment audio signal in the form of digital signal into the entertainment audio signal in the form of analog signal, and outputs the entertainment audio signal to the power amplifier assembly 65 through the vehicle audio bus 66, the function of the power amplifier assembly 65 is similar to that of the power amplifier 63 in the above embodiment, and a plurality of power amplifiers 63 (not shown in fig. 6) are generally arranged in the power amplifier assembly 65, so that the power is higher, the tone quality is better, and better hearing effect can be brought to users in the vehicle; after amplifying the entertainment audio signal, the power amplifier assembly 65 plays the entertainment audio through the speaker 23. When an accident occurs in the vehicle, the microcontroller 21 receives the accident signal, initiates a communication function based on a command of a user in the vehicle or actively, dials a rescue call, controls the entertainment audio signal to be silent at the moment, analyzes the communication voice signal after receiving the communication voice signal sent by the communication object, and outputs a value digital signal processor 62; the digital signal processor 62 converts the communication voice signal in the form of a digital signal into a communication voice signal in the form of an analog signal, and outputs the communication voice signal to the power amplifier 63; the power amplifier 63 amplifies the communication voice signal and outputs the amplified communication voice signal to the speaker 23 to play the communication voice. In this process, the microphone assembly 67 can receive the voice sent by the user in the vehicle, and the communication assembly 68 can perform wireless communication with the communication object.
Through the device, the vehicle user can dial the rescue telephone in time when an accident occurs, the safety of the vehicle user is improved, and for manufacturers, the speaker 23 originally specially used for emergency voice communication can be optimized by playing the entertainment audio signal and the communication voice signal through the same speaker 23, the E-Call speaker 23 is not required to be specially arranged, the material cost is saved on the premise that the use experience of the vehicle user is not influenced, and meanwhile, the space in the vehicle is also saved.
With continued reference to FIG. 6, in some embodiments, the apparatus further includes a backup power source 64;
the backup power supply 64 connects the control assembly 21 and the speaker 23; the backup power supply 64 supplies power to the control module 21 and the speaker 23 when the power supply in the vehicle stops supplying power to the control module 21 and the speaker 23.
Specifically, after an accident occurs in the vehicle, the normal power supply failure of the vehicle may be caused, that is, the power supply in the vehicle stops or cannot supply power to the control assembly 21 and the speaker 23, and at this time, the power supply can be used for supplying power to the control assembly 21 and the speaker 23 through the standby power supply 64, so that after the power supply failure in the vehicle is realized, communication can still be performed to contact with rescue, which is beneficial to improving the safety of users in the vehicle.
The disclosed embodiments also provide a vehicle including a car audio device as any one of the above car audio devices.
It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Thus far, the technical solution of the present utility model has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present utility model is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present utility model, and such modifications and substitutions will fall within the scope of the present utility model.
Claims (10)
1. A car audio apparatus, characterized in that the apparatus comprises:
the system comprises a control assembly, a safety early warning assembly and a loudspeaker;
the control component is connected with the loudspeaker through a first port and a second port; the safety early warning component is connected with the loudspeaker through a third port;
the control component is used for outputting entertainment audio signals to the loudspeaker through the first port, and is used for initiating communication based on the received accident signals, and outputting communication voice signals to the loudspeaker through the second port; the safety early warning component is used for sensing safety risks and outputting safety early warning signals to the loudspeaker through the third port after the safety risks are determined to exist;
the entertainment audio signal is used for controlling the loudspeaker to play entertainment audio, the communication voice signal is used for controlling the loudspeaker to play communication voice, and the safety precaution signal is used for controlling the loudspeaker to play safety precaution voice.
2. The apparatus of claim 1, wherein the speaker comprises a first input, a second input, a first output, a second output, a third input, and a third output;
the first input end and the first output end are connected with the first port; the second input end and the second output end are connected with the second port; the third input end and the third output end are connected with the third port.
3. The apparatus of claim 2, wherein the speaker comprises a first pin, a second pin, a third pin, a fourth pin, a fifth pin, and a sixth pin;
the first pin and the second pin form a first integral metal sheet, the third pin and the fourth pin form a second integral metal sheet, and the fifth pin and the sixth pin form a third integral metal sheet; the first pin is used as the first input end, the second pin is used as the second input end, the third pin is used as the first output end, the fourth pin is used as the second output end, the fifth pin is used as the third input end, and the sixth pin is used as the third output end.
4. The apparatus of claim 1, wherein the control component comprises a microcontroller, a digital signal processor, a power amplifier;
the microcontroller is connected with the digital signal processor, the digital signal processor is connected with the power amplifier, and the power amplifier is connected with the loudspeaker;
the microcontroller is used for outputting the entertainment audio signal and/or the communication voice signal to the digital signal processor and initiating communication based on the received accident signal; the digital signal processor is used for converting the entertainment audio signal and/or the communication voice signal into a bit analog signal and outputting the bit analog signal to the power amplifier; the power amplifier is used for amplifying the analog signal.
5. The apparatus of claim 1, further comprising a backup power source;
the standby power supply is connected with the control assembly and the loudspeaker; the backup power supply supplies power to the control assembly and the speaker when power to the control assembly and the speaker is stopped by a power supply in the vehicle.
6. The apparatus of claim 1, further comprising a power amplifier assembly;
the power amplifier component is connected with the control component and the loudspeaker;
the control assembly is further used for outputting the entertainment audio signal to the power amplification assembly through the first port, and the power amplification assembly is used for amplifying the entertainment audio signal and outputting the entertainment audio signal to the loudspeaker.
7. The apparatus of claim 6, further comprising a car audio bus;
the control component outputs the entertainment audio signal to the power amplifier component through the vehicle-mounted audio bus.
8. The apparatus of claim 1, further comprising a microphone assembly;
the microphone assembly is connected with the control assembly and is used for receiving sound information.
9. The apparatus of claim 1, further comprising a communication component;
the communication component is connected with the control component and is used for communicating with the terminal equipment.
10. A vehicle characterized in that it comprises the in-vehicle audio device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223440799.5U CN219533854U (en) | 2022-12-20 | 2022-12-20 | Vehicle-mounted audio device and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223440799.5U CN219533854U (en) | 2022-12-20 | 2022-12-20 | Vehicle-mounted audio device and vehicle |
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| Publication Number | Publication Date |
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| CN219533854U true CN219533854U (en) | 2023-08-15 |
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| CN202223440799.5U Active CN219533854U (en) | 2022-12-20 | 2022-12-20 | Vehicle-mounted audio device and vehicle |
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| CN (1) | CN219533854U (en) |
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