CN-121989647-A - Glass assembly, vehicle and noise reduction method

CN121989647ACN 121989647 ACN121989647 ACN 121989647ACN-121989647-A

Abstract

The application provides a glass assembly, a vehicle and a noise reduction method. The glass component comprises glass, an edge wrapping portion and a first microphone, the edge wrapping portion wraps the edge area of the glass, the first microphone is arranged in the edge area of the glass component, the first microphone collects noise before the noise outside the vehicle is transmitted into the vehicle and serves as a feedforward reference signal, the glass component is matched with a processor of the vehicle and a sounding device, the processor is used for receiving the feedforward reference signal collected by the first microphone, generating a corresponding first sound wave signal based on the feedforward reference signal collected by the first microphone, and playing the first sound wave signal through the sounding device, wherein the sounding device is arranged on the inner side of the vehicle. The noise outside the automobile body is directly collected through the first microphone, so that the processor timely and accurately generates the first sound wave signal, and timely and accurately counteracts the noise signal outside the automobile body entering the automobile, thereby improving the noise reduction effect on the noise entering the automobile.

Inventors

SHAN XIAOJIAN
LIN SHITUAN
LAN HONG
Mert Goksel
CHEN LIANGZHEN
SUN JIAQI

Assignees

福耀玻璃工业集团股份有限公司

Dates

Publication Date: 20260508
Application Date: 20260330

Claims (14)

1. A glass assembly, the glass assembly comprising: Glass; The edge wrapping part wraps the edge area of the glass; a first microphone disposed at an edge region of the glass assembly, the first microphone being configured to collect noise outside the vehicle as a feedforward reference signal before the noise is transmitted into the vehicle; The glass assembly is used for being matched with a processor of the vehicle and the sounding device, the processor is used for receiving the feedforward reference signal collected by the first microphone, generating a corresponding first sound wave signal based on the feedforward reference signal collected by the first microphone, and playing the first sound wave signal through the sounding device, wherein the sounding device is arranged on the inner side of the vehicle.
2. The glass assembly according to claim 1, wherein the number of first microphones is plural, the hemming portion includes first and second ends opposite in a traveling direction of the vehicle, and at least a portion of the plurality of first microphones is disposed on the first and second ends.
3. The glass assembly of claim 2, wherein a plurality of the first microphones are non-co-linearly distributed over the edging section to form a microphone array for identifying a noise source orientation.
4. The glass assembly of claim 1, wherein the processor is further configured to generate the first acoustic signal based at least on a full band noise signal in the feedforward reference signal captured by the first microphone and to play the first acoustic signal through the sound emitting device when a preset condition is met, and further configured to generate a second acoustic signal based at least on a low band noise signal in the feedforward reference signal captured by the first microphone and to play the second acoustic signal through the sound emitting device when the preset condition is not met.
5. The glass assembly of claim 4, wherein the preset condition comprises a light transmittance of the glass being less than a light transmittance threshold and/or a travel speed of the vehicle being greater than a speed threshold.
6. The glass assembly of claim 1, wherein the sound emitting device comprises a first sound emitting device for receiving and playing a second sound wave signal generated by the processor based on a low frequency noise signal in a feedforward reference signal acquired by the first microphone, and a second sound emitting device for receiving and playing a third sound wave signal generated by the processor based on a high frequency noise signal in the feedforward reference signal acquired by the first microphone, wherein the frequency range of the feedforward reference signal acquired by the first microphone is 20Hz-10kHz.
7. A vehicle, characterized by comprising: A vehicle body; The glass assembly of any of claims 1-6, mounted on the vehicle body; the processor is arranged in the vehicle and is connected with the first microphone in a wind power mode; And the sound generating device is arranged on the inner side of the vehicle and is electrically connected with the processor.
8. The vehicle of claim 7, further comprising a second microphone disposed on an inside of the vehicle, the second microphone configured to collect noise signals in the vehicle, the processor adaptively optimizing the first acoustic signal based on the noise signals collected by the second microphone to generate a fourth acoustic signal, and playing the fourth acoustic signal through the sound emitting device.
9. The vehicle of claim 8, wherein the second microphone is disposed on an inner side of the vehicle near a seat in the vehicle, the second microphone is further configured to collect an audio signal in the vehicle, the audio signal includes a voice signal, and the processor is configured to perform enhancement processing on the audio signal collected by the second microphone to obtain a target voice signal.
10. A noise reduction method, characterized in that it is applied to a vehicle, the vehicle includes a glass component, a sound-producing device and a vehicle body, the glass component is mounted on the vehicle body, the glass component includes glass, a covered edge portion and a first microphone, the covered edge portion is covered on the edge area of the glass, the first microphone is arranged on the edge area of the glass component, the sound-producing device is arranged on the inner side of the vehicle, the method includes; collecting noise outside the vehicle as a feedforward reference signal by the first microphone before the noise outside the vehicle is transmitted into the vehicle; And receiving the feedforward reference signal, generating a corresponding first sound wave signal, and playing the first sound wave signal through the sound generating device.
11. The method according to claim 10, wherein the method further comprises: When a preset condition is met, generating the first sound wave signal at least based on a full-frequency-band noise signal in a feedforward reference signal acquired by the first microphone, and playing the first sound wave signal through the sound generating device; And when the preset condition is not met, generating a second sound signal at least based on a low-frequency noise signal in the feedforward reference signal acquired by the first microphone, and playing the second sound signal through the sounding device.
12. The method of claim 11, wherein the preset condition includes a light transmittance of the glass being less than a light transmittance threshold and/or a travel speed of the vehicle being greater than a speed threshold.
13. The method of claim 11, wherein the vehicle further comprises a second microphone disposed on an interior side of the vehicle, the method further comprising: collecting noise signals in the vehicle through the second microphone; And carrying out self-adaptive optimization on the first sound wave signal based on the noise signal acquired by the second microphone to generate a fourth sound wave signal, and playing the fourth sound wave signal through the sound generating device.
14. The method of claim 13, wherein the second microphone is disposed on an inboard side of the vehicle proximate to an in-vehicle seat, the method further comprising: collecting an audio signal in the vehicle through the second microphone, wherein the audio signal comprises a voice signal; and performing enhancement processing on the audio signals acquired by the second microphone to obtain target voice signals.

Description

Glass assembly, vehicle and noise reduction method Technical Field The application relates to the technical field of vehicles, in particular to a glass assembly, a vehicle and a noise reduction method. Background In order to remove noise entering the vehicle from outside the vehicle, a microphone for collecting all the noise in the vehicle is generally arranged in the vehicle, so that a processor included in the vehicle generates a sound wave signal capable of counteracting the noise in the vehicle based on the collected noise in the vehicle, and the generated sound wave signal is played to the space in the vehicle through a sound generating device to inhibit the noise in the vehicle, and further the external noise entering the vehicle from outside the vehicle is also inhibited. Disclosure of Invention The embodiment of the application provides a glass assembly, a vehicle and a noise reduction method, which can solve at least part of the technical problems. In a first aspect, the present application provides a glass assembly for mounting to a body of a vehicle, the glass assembly comprising: Glass; The edge wrapping part wraps the edge area of the glass; a first microphone disposed at an edge region of the glass assembly, the first microphone being configured to collect noise outside the vehicle as a feedforward reference signal before the noise is transmitted into the vehicle; The glass assembly is used for being matched with a processor of the vehicle and the sounding device, the processor is used for receiving the feedforward reference signal collected by the first microphone, generating a corresponding first sound wave signal based on the feedforward reference signal collected by the first microphone, and playing the first sound wave signal through the sounding device, wherein the sounding device is arranged on the inner side of the vehicle. In some possible embodiments of the first aspect, the number of the first microphones is plural, the hemming portion includes a first end and a second end opposite in a traveling direction of the vehicle, and at least a portion of the plurality of the first microphones is disposed on the first end and the second end. In some possible embodiments of the first aspect, a plurality of the first microphones are non-collinearly distributed on the edging section to form a microphone array for identifying the noise source orientation. In some possible embodiments of the first aspect, the processor is further configured to generate the first acoustic wave signal based on at least a full-band noise signal in the feedforward reference signal collected by the first microphone and play the first acoustic wave signal through the sound generating device when a preset condition is met, and generate a second acoustic wave signal based on at least a low-band noise signal in the feedforward reference signal collected by the first microphone and play the second acoustic wave signal through the sound generating device when the preset condition is not met. In some possible embodiments of the first aspect, the preset condition includes that the light transmittance of the glass is less than a light transmittance threshold, and/or that the running speed of the vehicle is greater than a speed threshold. In some possible embodiments of the first aspect, the sound generating device includes a first sound generating device configured to receive and play a second sound signal generated by the processor based on a low-frequency noise signal in the feedforward reference signal acquired by the first microphone, and a second sound generating device configured to receive and play a third sound signal generated by the processor based on a high-frequency noise signal in the feedforward reference signal acquired by the first microphone, where a frequency range of the noise signal acquired by the first microphone is 20Hz-10kHz. In a second aspect, the present application provides a vehicle comprising: A vehicle body; a glass assembly as described above, the glass assembly being mounted to the vehicle body; the processor is arranged in the vehicle and is connected with the first microphone in a wind power mode; And the sound generating device is arranged on the inner side of the vehicle and is electrically connected with the processor. In some possible embodiments of the second aspect, the vehicle further includes a second microphone, the second microphone is disposed on an inner side of the vehicle, the second microphone is used for collecting noise signals in the vehicle, the processor adaptively optimizes the first sound wave signal based on the noise signals collected by the second microphone to generate a fourth sound wave signal, and plays the fourth sound wave signal through the sound generating device. In some possible embodiments of the second aspect, the second microphone is disposed on an inner side of the vehicle near a seat in the vehicle, and is further configured to collect an audio signal