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CN-122008818-A - Vehicle window assembly, assembly method of vehicle window assembly and vehicle

CN122008818ACN 122008818 ACN122008818 ACN 122008818ACN-122008818-A

Abstract

The application provides a vehicle window assembly, an assembly method of the vehicle window assembly and a vehicle, which reduce the thickness of the vehicle window assembly, increase the flexibility of the vehicle window assembly assembled in the vehicle, and are beneficial to improving the sound effect of the vehicle and the driving experience of drivers and passengers. The vehicle window assembly comprises vehicle window glass and a sounding assembly, the sounding assembly comprises a connecting structure, a sound guide piece and a piezoelectric film, the connecting structure is arranged on one side, facing the vehicle, of the vehicle window glass, the sound guide piece, the connecting structure and the vehicle window glass enclose to form a sound cavity, and the piezoelectric film is arranged in the sound cavity.

Inventors

  • SHEN JINGJING
  • DUAN TONGXUN
  • LI YUEJIE
  • Weng Wucai
  • JIANG LIXING
  • LIU XIANPING

Assignees

  • 福耀玻璃工业集团股份有限公司

Dates

Publication Date
20260512
Application Date
20260323

Claims (20)

  1. 1. The utility model provides a door window subassembly, its characterized in that includes window glass and sound production subassembly, sound production subassembly includes connection structure, sound guide and piezoelectric film, connection structure install in window glass is towards the inside one side of vehicle, sound guide connection structure with window glass encloses the synthesis and forms the sound chamber, piezoelectric film set up in the sound intracavity.
  2. 2. The vehicle window assembly according to claim 1, wherein the acoustic cavity is a closed acoustic cavity.
  3. 3. The vehicle window assembly according to claim 1, wherein the connection structure is provided with a through hole penetrating the connection structure in a thickness direction of the connection structure, and the sound guide is located on a side of the connection structure facing away from the window glass and covers the through hole.
  4. 4. The vehicle window assembly of claim 1, wherein the piezoelectric film is mounted to the connection structure and divides the acoustic cavity into a first sub-acoustic cavity and a second sub-acoustic cavity, the first sub-acoustic cavity being located between the vehicle window glass and the piezoelectric film, the second sub-acoustic cavity being located between the piezoelectric film and the acoustic guide.
  5. 5. The vehicle window assembly according to claim 4, wherein the connecting structure comprises a first spacer, a second spacer, a first adhesive layer and a second adhesive layer, the first spacer being spaced apart from the vehicle window pane, the first spacer being provided with a first hole extending through the first spacer in the thickness direction of the first spacer, the second spacer being located on a side of the first spacer facing away from the vehicle window pane and spaced apart from the first spacer, the second spacer being provided with a second hole extending through the second spacer in the thickness direction of the second spacer; The piezoelectric film is located between the first spacer and the second spacer, and covers the first hole and the second hole, the piezoelectric film, the first spacer, the first adhesive layer and the window glass enclose to form a first sub-sound cavity, and the piezoelectric film, the second spacer, the second adhesive layer and the sound guide form a second sub-sound cavity.
  6. 6. The vehicle window assembly according to claim 5, wherein the first adhesive layer is located between the first spacer and the vehicle window glass, the first adhesive layer being provided with a third hole penetrating the first adhesive layer in a thickness direction of the first adhesive layer and communicating with the first hole; The second adhesive layer is located between the second spacer and the sound guide, the second adhesive layer is provided with a fourth hole, and the fourth hole penetrates through the second adhesive layer along the thickness direction of the second adhesive layer and is communicated with the second hole.
  7. 7. The vehicle window assembly of claim 6, wherein the sound emitting assembly further comprises a third adhesive layer located on a side of the first spacer facing away from the first aperture and between the first adhesive layer and the piezoelectric film.
  8. 8. The vehicle window assembly of claim 7, further comprising a fourth adhesive layer located on a side of the second spacer facing away from the second aperture and between the second adhesive layer and the piezoelectric film.
  9. 9. The vehicle window assembly according to any one of claims 1-8, characterized in that the height of the acoustic cavity is greater than or equal to 1.5mm.
  10. 10. The vehicle window assembly according to any one of claims 5-8, characterized in that the thickness of the first spacer is greater than or equal to 0.76mm and/or the thickness of the second spacer is greater than or equal to 0.76mm.
  11. 11. The vehicle window assembly according to claim 10, wherein the thickness of the first spacer is less than or equal to 1.0mm and/or the thickness of the second spacer is less than or equal to 1.0mm.
  12. 12. The vehicle window assembly according to any one of claims 1-8, characterized in that the transparency of the piezoelectric film is greater than or equal to 85% and the haze of the piezoelectric film is less than or equal to 3%.
  13. 13. The vehicle window assembly according to any one of claims 1-8, characterized in that the material of the piezoelectric film comprises polyvinylidene fluoride.
  14. 14. The vehicle window assembly according to any one of claims 1-8, characterized in that the thickness of the sound guide is greater than or equal to 0.7mm and less than or equal to 1.5mm.
  15. 15. The vehicle window assembly according to any one of claims 5-8, characterized in that the material of the first adhesive layer comprises optically transparent adhesive and/or the material of the second adhesive layer comprises optically transparent adhesive.
  16. 16. The vehicle window assembly according to any one of claims 1 to 8, wherein the vehicle window glass has a viewable area and a non-viewable area disposed around the viewable area, the vehicle window assembly further comprising a first electrode and a second electrode, each positioned in the non-viewable area and each electrically connected to the piezoelectric film and spaced apart from each other.
  17. 17. The vehicle window assembly according to any one of claims 1 to 8, characterized in that the vehicle window glass comprises a first glass, a second glass and an intermediate connection layer, the first glass being a glass of the vehicle window glass facing the outside of the vehicle, the second glass and the first glass being arranged at a distance in the thickness direction of the vehicle window glass, the intermediate connection layer being located between the first glass and the second glass, the connection structure being located on a side of the second glass facing away from the first glass.
  18. 18. A vehicle comprising a body and the window assembly of any one of claims 1 to 17 mounted to the body.
  19. 19. A method of assembling a vehicle window assembly, the method comprising: Providing a first tool assembly and a second tool assembly, wherein the first tool assembly comprises a first positioning tool and a sound guide component, the first positioning tool is provided with a first positioning groove, the sound guide component comprises a sound guide piece, a second spacer and a piezoelectric film, the sound guide piece and the second spacer are both arranged on the first positioning groove, the second spacer is positioned on one side, away from the groove bottom wall surface of the first positioning groove, of the sound guide piece, the piezoelectric film is arranged on one side, away from the sound guide piece, of the second spacer, the second tool assembly comprises window glass, a second positioning tool and a first spacer, the second positioning tool is arranged on the surface, facing the inside of the vehicle, of the window glass, the second positioning tool is provided with a second positioning groove, the second positioning groove penetrates through the second positioning tool along the thickness direction of the window glass, and the first spacer is arranged on the second positioning groove; Removing the sound guide assembly from the first positioning tool; mounting the sound guide assembly to the second positioning groove, wherein the piezoelectric film is mounted between the first spacer and the second spacer; and removing the second positioning tool from the window glass.
  20. 20. The assembly method of claim 19, wherein the tension of the piezoelectric film is greater than or equal to 2N and less than or equal to 3N.

Description

Vehicle window assembly, assembly method of vehicle window assembly and vehicle Technical Field The invention relates to the technical field of vehicles, in particular to a vehicle window assembly, an assembly method of the vehicle window assembly and a vehicle. Background In order to improve the riding experience of drivers and passengers, the existing vehicles are often provided with sounding components such as a loudspeaker and the like in the vehicle. The thickness of the existing sounding component is large, and large space is needed for assembly in a vehicle, so that the installation position of the sounding component is limited, the flexibility of assembly of the sounding component is reduced, the whole vehicle surrounding and sky sound effect is not formed, and the driving experience of drivers and passengers is reduced. Disclosure of Invention The vehicle window assembly, the assembly method of the vehicle window assembly and the vehicle provided by the application have the advantages that the thickness of the vehicle window assembly is reduced, the flexibility of the assembly of the vehicle window assembly in the vehicle is increased, and the sound effect in the vehicle is improved, so that the driving experience of drivers and passengers is improved. The application provides a vehicle window assembly, which is used in a vehicle and comprises vehicle window glass and a sounding assembly, wherein the sounding assembly comprises a connecting structure, a sound guide piece and a piezoelectric film, the connecting structure is arranged on one side, facing the inside of the vehicle, of the vehicle window glass, a sound cavity is formed by surrounding the sound guide piece, the connecting structure and the vehicle window glass, and the piezoelectric film is arranged in the sound cavity. Wherein, the sound cavity is a closed sound cavity. The connecting structure is provided with a through hole, the through hole penetrates through the connecting structure along the thickness direction of the connecting structure, and the sound guide piece is located on one side, deviating from the window glass, of the connecting structure and covers the through hole. The piezoelectric film is arranged on the connecting structure, the sound cavity is divided into a first sub-sound cavity and a second sub-sound cavity, the first sub-sound cavity is positioned between the window glass and the piezoelectric film, and the second sub-sound cavity is positioned between the piezoelectric film and the sound guide piece. The connecting structure comprises a first spacer, a second spacer, a first adhesive layer and a second adhesive layer, wherein the first spacer is arranged at intervals with the window glass, the first spacer is provided with a first hole, the first hole penetrates through the first spacer along the thickness of the first spacer, the second spacer is positioned at one side, away from the window glass, of the first spacer and is arranged at intervals with the first spacer, the second spacer is provided with a second hole, and the second hole penetrates through the second spacer along the thickness direction of the second spacer; The piezoelectric film is located between the first spacer and the second spacer, and covers the first hole and the second hole, the piezoelectric film, the first spacer, the first adhesive layer and the window glass enclose to form a first sub-sound cavity, and the piezoelectric film, the second spacer, the second adhesive layer and the sound guide form a second sub-sound cavity. The first adhesive layer is positioned between the first spacer and the vehicle window glass, is provided with a third hole, penetrates through the first adhesive layer along the thickness direction of the first adhesive layer, and is communicated with the first hole; The second adhesive layer is positioned between the second spacer and the sound guide member, and is provided with a fourth hole which penetrates through the second adhesive layer along the thickness direction of the second adhesive layer and is communicated with the second hole; The sound generating assembly further comprises a third adhesive layer, wherein the third adhesive layer is located on one side, away from the first hole, of the first spacer, and is located between the first adhesive layer and the piezoelectric film. The sound generating assembly further comprises a fourth adhesive layer, wherein the fourth adhesive layer is located on one side, away from the second hole, of the second spacer, and is located between the second adhesive layer and the piezoelectric film. Wherein the height of the sound cavity is greater than or equal to 1.5mm. Wherein the thickness of the first spacer is greater than or equal to 0.76mm and/or the thickness of the second spacer is greater than or equal to 0.76mm. Wherein the thickness of the first spacer is less than or equal to 1.0mm and/or the thickness of the second spacer is less than or equal to 1.0mm. W