Glass diaphragm module

Abstract

Provided is a glass diaphragm module 10 which comprises: a glass plate 12 constituting a window glass; a mount member 16 attached to the interior side of the glass plate 12; a vibration component 26 attached to the mount member 16; and a cover member 30 covering the vibration component 26 from the interior side and in which a plurality of through holes 32A are formed.

Description

Glass diaphragm module

[0001] The present invention relates to a glass diaphragm module.

[0002] U.S. Patent Application Publication No. 2012 / 0194916 discloses a structure in which an exciter (vibrating component) is attached to a vehicle window glass. In the structure of U.S. Patent Application Publication No. 2012 / 0194916, the exciter is attached to a masking portion at the peripheral edge of the window glass, making the exciter less noticeable.

[0003] By covering vibrating components such as the exciter with interior materials, it is possible to prevent passengers from touching them, but the sound generated from the glass is blocked by the interior materials, so the desired volume may not be achieved.

[0004] An object of the present invention is to provide a glass diaphragm module that can prevent passengers from touching it while maintaining a desired volume.

[0005] The glass vibration plate module of the present invention comprises a glass plate constituting a window glass, a mounting member attached to the interior side of the glass plate, a vibration component attached to the mounting member, and a cover member that covers the vibration component from the interior side and has a plurality of through holes formed therein.

[0006] The glass diaphragm module according to the present invention can prevent passengers from touching it with their hands while maintaining a desired volume.

[0007] 11 is a rear view showing the rear glass of a vehicle to which the glass diaphragm module according to the first embodiment is applied; FIG. 12 is an enlarged cross-sectional view of a main part showing an enlarged cross section of the glass diaphragm module; FIG. 13 is an enlarged cross-sectional view of a main part showing an enlarged cross section of the glass diaphragm module according to the second embodiment; FIG. 14 is an enlarged cross-sectional view of a main part showing an enlarged cross section of the glass diaphragm module according to the third embodiment; FIG. 15 is an enlarged cross-sectional view of a main part showing an enlarged cross section of the glass diaphragm module according to the fourth embodiment; FIG. 16 is an enlarged cross-sectional view of a main part showing an enlarged cross section of the glass diaphragm module according to the fifth embodiment; FIG. 17 is an enlarged cross-sectional view of a main part showing an enlarged cross section of the glass diaphragm module according to the sixth embodiment; FIG. 18 is an enlarged cross-sectional view of a main part showing an enlarged cross section of the glass diaphragm module according to the seventh embodiment; FIG. 19 is an enlarged cross-sectional view of a main part showing an enlarged cross section of the glass diaphragm module according to the eighth embodiment; FIG. 19 is a plan view of a mounting member according to the eighth embodiment; FIG. 19 is a plan view of a mounting member according to the ninth embodiment; FIG. 19 is a rear view showing the rear glass of a vehicle to which the glass diaphragm module is applied; FIG. 19 is an enlarged cross-sectional view of a main part showing an enlarged cross section of the glass diaphragm module according to the tenth embodiment; FIG. 19 is a plan view of a mounting member according to the eleventh embodiment; Fig. 13 is an enlarged cross-sectional view of a main part showing an enlarged cross section of the glass diaphragm module according to a twelfth embodiment; Fig. 14 is an enlarged cross-sectional view of a main part showing an enlarged cross section of the glass diaphragm module according to a thirteenth embodiment; Fig. 15 is an enlarged cross-sectional view of a main part showing an enlarged cross section of the glass diaphragm module according to a fourteenth embodiment; Fig. 16 is an enlarged cross-sectional view of a main part showing an enlarged cross section of the glass diaphragm module according to a fifteenth embodiment; Fig. 17 is a rear view showing a roof glass of a vehicle to which a glass diaphragm module is applied.

[0008] A preferred embodiment of the glass diaphragm module according to the present invention will be described below with reference to the drawings. While the application of the glass diaphragm module to a vehicle window glass will be described below, the glass diaphragm module according to the present invention may also be applied to other moving objects, such as airplanes, helicopters, ships, and trains, in addition to vehicles. The glass diaphragm module according to the present invention may also be applied to window glass in buildings and other structures.

[0009] First Embodiment A glass diaphragm module 10 according to a first embodiment will be described with reference to the drawings.

[0010] FIG. 1 is a schematic front view of a glass diaphragm module 10 as viewed from the main surface side. As shown in FIG. 1, in this embodiment, the glass diaphragm module 10 is applied to the rear window (back window) of a vehicle. The glass diaphragm module 10 is configured to include a rear window 12 as a glass plate and a vibration module 14. In the following description, for convenience of explanation, the up-down direction (up-down direction on the paper surface of FIG. 1) when viewing the glass diaphragm module 10 from the front will be referred to as up-down, and the left-right direction (left-right direction on the paper surface of FIG. 1) will be referred to as left-right.

[0011] The rear windshield 12 constitutes the vehicle's window glass and is fixed to the vehicle body (not shown) in a state where it cannot be raised or lowered. The rear windshield 12 is often a single-pane glass, but it may also be a laminated glass made of two glass plates bonded together with a resin intermediate layer. The rear windshield 12 is made of transparent or translucent inorganic glass. Examples of inorganic glass that can be used include soda-lime glass, aluminosilicate glass, borosilicate glass, alkali-free glass, and quartz glass.

[0012] When the rear glass 12 is made of inorganic glass and is a single-pane glass, it is preferable that the rear glass 12 be tempered glass. Tempered glass has a compressive stress layer formed on the surface of the glass, and may be either air-cooled tempered glass or chemically tempered glass. When the tempered glass is physically tempered glass (e.g., air-cooled tempered glass), a compressive stress layer may be generated on the glass surface by a temperature difference between the glass surface and the interior of the glass through an operation other than gradual cooling, such as rapidly cooling a uniformly heated glass sheet from a temperature near its softening point during bending. When the tempered glass is chemically tempered glass, compressive stress may be generated on the glass surface by an ion exchange method or the like after bending.

[0013] When the rear glass 12 is a laminated glass consisting of two glass sheets bonded together with a resin intermediate layer, both sheets may be untempered glass, only one may be tempered glass, or both may be tempered glass. When both sheets are tempered glass, both may be air-cooled tempered glass, both may be chemically tempered glass, or one may be cold-tempered glass and the other may be chemically tempered glass.

[0014] The rear glass 12 may be made of organic glass, such as PMMA (polymethyl methacrylate) resin, PC (polycarbonate) resin, PS (polystyrene) resin, PET (polyethylene terephthalate) resin, PVC (polyvinyl chloride) resin, or cellulose resin.

[0015] When the rear window 12 is a single piece of glass, the thickness of the rear window 12 is preferably 0.5 mm or more, more preferably 1.0 mm or more, and even more preferably 1.5 mm or more. This improves the rigidity and strength of the rear window 12, making it easier for piston vibration to occur. Furthermore, when the rear window 12 is a single piece of glass, from the perspective of reducing the weight of the glass diaphragm module 10, the thickness of the rear window 12 is preferably 10.0 mm or less, more preferably 7.0 mm or less, and even more preferably 5.0 mm or less.

[0016] When the rear glass 12 is formed of laminated glass in which two glass plates are bonded together with a resin intermediate layer, the thickness of each of the pair of glass plates constituting the rear glass 12 is preferably 0.5 mm or more, more preferably 1.0 mm or more, and even more preferably 1.5 mm or more. The pair of glass plates constituting the rear glass 12 may have the same or different thicknesses, but the same thickness is preferable from the viewpoint of stabilizing sound pressure. Furthermore, the total thickness of the rear glass 12 is preferably 1.0 mm or more, more preferably 2.0 mm or more, and even more preferably 3.0 mm or more. Furthermore, from the viewpoint of reducing the weight of the glass diaphragm module 10, the total thickness is preferably 10.0 mm or less, more preferably 8.0 mm or less, and even more preferably 6.0 mm or less.

[0017] When the rear glass 12 is laminated glass, the intermediate layer may be, for example, a transparent polyvinyl butyral (PVB)-based or ethylene-vinyl acetate copolymer (EVA)-based resin film, or a resin film containing a thermosetting adhesive material such as a silicone (PDMS)-based, polyurethane-based, fluorine-based, polyethylene terephthalate-based, or polycarbonate-based material. The intermediate layer may also contain a material that enhances sound insulation, a material that enhances rigidity, or a material that absorbs ultraviolet or infrared rays. The intermediate layer may also be a liquid or gel-like intermediate layer. Specific examples of liquid intermediate layers include water, oil, organic solvents, liquid polymers, ionic liquids, and mixtures thereof. More specifically, examples of the gel-like intermediate layer include propylene glycol, dipropylene glycol, tripropylene glycol, straight silicone oil (dimethyl silicone oil, methylphenyl silicone oil, methylhydrogen silicone oil), modified silicone oil, acrylic acid polymer, liquid polybutadiene, glycerin paste, fluorine-based solvent, fluorine-based resin, acetone, ethanol, xylene, toluene, water, mineral oil, and mixtures thereof. Among these, it is preferable to include at least one selected from the group consisting of propylene glycol, dimethyl silicone oil, methylphenyl silicone oil, methylhydrogen silicone oil, and modified silicone oil, and it is more preferable to use propylene glycol or silicone oil as the main component. Specific examples of the gel-like intermediate layer include carbon-based, fluorine-based, and silicone-based polymer materials. Specific examples include ABS, AES, AS, CA, CN, CPE, EEA, EVA, EVOH, IO, PMMA, PMP, PP, PS, PVC, RB, TPA, TPE, TPEE, TPF, TPO, TPS, TPU, TPVC, AAS, ACS, PET, PPE, PA6, PA66, PBN, PBT, PC, POM, PPO, ETFE, FEP, LCP, PEEK, PEI, PES, PFA, PPS, PSV, PTFE, PVDF, silicone, polyurethane, PI, and PF. Alternatively, composite materials combining the above materials may be used. The above materials may be used alone or in combination of two or more.The thickness of the intermediate layer may be, for example, 0.1 μm or more and 3.0 mm or less, 1.0 μm or more and 2.8 mm or less, or 3.0 μm or more and 2.6 mm or less.

[0018] As an example, the rear window 12 of this embodiment is formed in a substantially rectangular shape with the longitudinal direction being the width direction of the vehicle, and corner portions 12A are formed at each of the four corners of the rear window 12. In Fig. 1, the vibration module 14 is attached to the lower corner portion 12A of the four corner portions 12A, but the position at which the vibration module 14 is attached is not limited. For example, the vibration module 14 may be attached to only one of the four corner portions 12A, or the vibration module 14 may be attached to all four corner portions 12A.

[0019] Furthermore, the vibration modules 14 are attached to the upper and lower ends of the rear window 12 in the center in the left-right direction, but the vibration modules 14 may be attached to only one end. To ensure visibility, it is preferable to mount the vibration modules 14 on corner portions 12A of the rear window 12. The end of the vibration module 14 is preferably within 1.0 m, more preferably within 0.5 m, and even more preferably within 0.1 m from the glass edge of the rear window 12. In this way, the vibration module 14 is provided on the peripheral edge of the rear window 12.

[0020] 2 is an enlarged cross-sectional view of a main part of the glass vibration plate module 10. As shown in FIG. 2, the vibration module 14 is attached to the interior side (vehicle compartment side) of the rear window 12.

[0021] The vibration module 14 includes a mount member 16, a vibrator 26 as a vibration component, and a cover member 30. The mount member 16 includes a main body portion 18 and an extension portion 20, and the extension portion 20 extends from the main body portion 18 toward the outer periphery.

[0022] The mount member 16 may be formed from a metal such as stainless steel, aluminum, or titanium, or at least a portion of the mount member 16 may be formed from a resin such as plastic. As the plastic, general engineering plastics such as ABS, PVC, PC, PP, PBT, PA66, and PPS may be used, or fiber-reinforced plastics including glass fiber and carbon fiber may be used.

[0023] The thinner the thickness of the main body 18 of the mounting member 16, the lower the profile, and the thinner the thickness is, preferably 50 mm or less, more preferably 30 mm or less, even more preferably 20 mm or less, and particularly preferably 10 mm or less. Although the main body 18 is formed in a flat cylindrical shape, it may be formed in a shape other than a circle in a plan view, such as a rectangle or a polygon.

[0024] Furthermore, the larger the size of the main body 18, the more firmly the vibrator 26 can be attached, and a diameter of 5 mm or more is preferred, 10 mm or more is more preferred, 15 mm or more is even more preferred, and 20 mm or more is particularly preferred.

[0025] Furthermore, the smaller the main body portion 18, the more preferable it is in terms of suppressing deterioration in design, and a diameter of 500 mm or less is preferable, 300 mm or less is more preferable, 200 mm or less is even more preferable, and 100 mm or less is particularly preferable.

[0026] Furthermore, the main body 18 may be provided with an electrical connection mechanism such as a terminal or connector for connecting the wiring of the vibrator 26 to electricity.

[0027] The mount member 16 is attached to the rear glass 12 via a first adhesive layer 22 and a second adhesive layer 24. An adhesive such as a pressure-sensitive adhesive can be used as the first adhesive layer 22. For example, a sheet-shaped adhesive tape can be used as the pressure-sensitive adhesive. Furthermore, an adhesive such as a glue can be used as the second adhesive layer 24. For example, an acrylic, silicone, urethane, epoxy, phenol, or epoxy silicone material can be used as the adhesive. Furthermore, adhesives that are thermosetting, moisture-curing, two-component-mixing curing, ultraviolet-curing, visible light-curing, anaerobic-curing, or the like can be used.

[0028] The first adhesive layer 22 is provided in the central portion and the peripheral portion of the mount member 16. The second adhesive layer 24 is provided in the portion between the central portion and the peripheral portion of the mount member 16. In addition, a recess 16A into which the second adhesive layer 24 fits is formed on the surface of the mount member 16 facing the rear glass 12.

[0029] The thinner the thickness of the first adhesive layer 22, the more effectively it can transmit vibrations from the vibrator 26 to the rear glass 12, so it is sufficient if it is 3.0 mm or less, preferably 1.0 mm or less, more preferably 0.5 mm or less, and particularly preferably 0.2 mm or less.

[0030] In addition, if the rear window 12 is equipped with a conductive wire (e.g., a defogger, an antenna, etc.) formed by printing and baking a paste containing a conductive metal (e.g., silver paste, etc.) on the main surface on the inside of the vehicle, it is preferable that the vibrator 26 and the mounting member 16 are attached so as not to overlap with the conductive wire.

[0031] The rear glass 12 may be coated with a coating material such as a low-E (low emissivity) material, an anti-glare (AG) coating material, an anti-reflection (AR) coating material, an anti-fingerprint (AF) coating material, an ultraviolet (UV) cut coating material, an anti-fog coating material, an anti-fungal coating material, or a water-repellent coating material.

[0032] Furthermore, the rear glass 12 may be colored glass baked in blue, red, green, gray, or the like, or may be light-controlling glass. When the rear glass 12 is light-controlling glass, the rear glass 12 may be laminated glass, and a light-controlling film that electrically changes the visible light transmittance may be sandwiched between two glass plates. As the light-controlling film, for example, a light-controlling film made of a PDLC (Polymer Dispersed Liquid Crystal) film, an electrochromic material, a photochromic material, or the like, enclosed in laminated glass can be used.

[0033] The peripheral edge of the rear window 12 may be provided with a light-shielding layer of a predetermined width, formed of a color ceramic layer (e.g., black, dark, or white), or a color ink layer printed with organic or inorganic ink. The light-shielding layer is provided continuously around the entire peripheral edge of the rear window 12, but may have at least a portion without the light-shielding layer. The light-shielding layer prevents adhesives and other materials from being visible from outside the vehicle. A defogger (not shown) for clearing fogging (anti-fogging) may be formed on the interior surface of the rear window 12. The defogger has multiple heater wires extending in the width direction of the rear window 12 and two bus bars extending in the vertical direction, with several heater wires formed between the two bus bars. The defogger is formed by printing and firing a silver paste containing silver powder and glass frit on the surface of the rear window 12. It is preferable that the mounting member 16 be attached so as not to overlap the two bus bars and heater wires.

[0034] A vibrator 26 serving as a vibrating component is attached to the main body 18. In this embodiment, a sidewall 18A is formed protruding from the main body 18 toward the indoor side, and the vibrator 26 is housed in an area surrounded by the sidewall 18A. The space housing the vibrator 26 is closed by a cover member 25. The cover member 25 is formed in a flat plate shape and fastened to the sidewall 18A of the main body 18 with bolts 28, and the vibrator 26 is sandwiched between the main body 18 and the cover member 25.

[0035] The structure for attaching the vibrator 26 to the main body 18 is not particularly limited, and a mechanical fastening structure such as a bolt, nail, clip, or rivet may be used. Alternatively, a structure may be used in which a slide groove is formed on one of the main body 18 and the vibrator 26, and a protrusion that engages with the slide groove is formed on the other, and the vibrator 26 is fastened by sliding. Furthermore, the vibrator 26 may be attached to the main body 18 via an adhesive interface such as tape, adhesive, felt, foam, rubber, grease, gel, or plastic.

[0036] The vibrator 26 is connected to a power source (not shown) and is an actuator that vibrates the rear glass 12, which is a glass plate component, in response to an input electrical signal. In this embodiment, the vibrator 26 is, for example, a voice coil motor including a coil and a magnetic circuit. One of the coil and the magnetic circuit is fixed to the rear glass 12, and the other is arranged to be movable relative to the rear glass 12. When a current flows through the coil, the interaction between the coil and the magnetic circuit generates vibrations, causing the rear glass 12 to vibrate (excite) via the mount member 16. The vibration direction is the thickness direction of the vibrator 26. Note that the vibrator 26 is not limited to a voice coil motor. An actuator other than a voice coil motor, such as a piezoelectric actuator, may be used as long as it is capable of transmitting the desired vibrations to the rear glass 12. In this embodiment, the vibrator 26 is attached to the main body 18. However, a speaker such as a tweeter may be attached to the main body 18 as another vibrating component. Furthermore, both the vibrator 26 and the speaker may be attached to the main body 18.

[0037] The extension 20 of the mount member 16 extends from the main body 18 toward the outer periphery, and a cover member 30 is attached to the extension 20. The shape of the extension 20 is not particularly limited. For example, the extension 20 may be formed in a generally annular shape that surrounds the outer periphery of the main body 18. Alternatively, the extension 20 may be configured to include a plurality of arms that extend from the main body 18 toward the outer periphery.

[0038] An engaging groove 20A is formed on the outer peripheral end of the extension 20, and an engaging claw 34A of the cover member 30 is engaged with this engaging groove 20A.

[0039] The cover member 30 is formed in an approximately C-shape with the rear window 12 side open when viewed in cross section from the radial direction of the vibration module 14, and is composed of a main surface portion 32 that covers the vibrator 26 from the passenger compartment side, and a peripheral wall portion 34 that extends from the outer peripheral end of the main surface portion 32 toward the mount member 16.

[0040] However, the shape of the cover member 30 is not limited to this, and may be formed in a dome shape, for example.

[0041] An engaging claw 34A protrudes inward from the tip of the peripheral wall portion 34, and the engaging claw 34A engages with the engaging groove portion 20A of the main body portion 18, thereby attaching the cover member 30 to the main body portion 18 (mounting member 16). The method of attaching the cover member 30 to the main body portion 18 is not particularly limited, and they may be mechanically fastened to pre-installed fastening points. They may also be fixed with a leaf spring to prevent rattle. As a mechanical fastening method, methods such as screws, claws, and keys are used, but from the perspective of service, a one-touch structure is preferable. If a return mechanism such as a spring is provided, it is even more preferable from the perspective of installation work.

[0042] Here, a plurality of through holes 32A are formed in the main surface portion 32 of the cover member 30. The size of the through holes 32A is set to 0.1 mm so as not to impede the vibrations from the rear glass 12 and the vibrator 26. ２ ] or more is preferable, and ２ ] or more is more preferable, and 3 [mm ２ Furthermore, if the through-hole 32A is too large, there is a danger when the actuator falls, so a gap of 100 [mm ２ ] or less is preferable, and 50 [mm ２ ] or less is more preferable, and 30 [mm ２ ] or less is more preferred.

[0043] Furthermore, the main surface portion 32 of the cover member 30 may be formed in a mesh pattern. In this case, the opening area can be made larger than in a configuration in which a plurality of through holes 32A are formed, which is preferable in terms of heat dissipation.

[0044] The material of the cover member 30 is not particularly limited, and may be made of metal or resin. ５ [Pa] or more, preferably 10 ６ [Pa] is more preferable, and 10 ７ From the viewpoint of processability and moldability, the Young's modulus of the cover member 30 is preferably 10 １２ [Pa] or less is preferred.

[0045] Letters or logos may be printed on the surface of the cover member 30 to identify the product name of the vibration module 14, the name of the manufacturer of the vibration module 14, the cover member 30, the glass, the automobile manufacturer, the building material manufacturer, the system manufacturer, etc., the product name of the cover member 30, and information such as the brand name, manufacturing date, place of production, and production control number of the product.

[0046] As shown in Fig. 12, a decorative member 15 may be attached to the exterior surface of the rear window 12 so as to overlap the area where the vibration module 14 is attached in a front view. Attaching the decorative member 15 to the exterior surface of the rear window 12 so as to overlap the area where the vibration module 14 is attached in a front view makes the vibration module 14, main body 18 (mounting member 16), and cover member 30 invisible from outside the vehicle, which is preferable in terms of appearance. Identifiable characters or logos, such as the name of the vehicle manufacturer or the name of the vehicle, may be printed on the decorative member 15. Reference numeral 200 in the figure denotes a heating wire, and reference numeral 202 denotes a bus bar.

[0047] Second Embodiment A glass diaphragm module 40 according to a second embodiment will be described with reference to Fig. 3. Note that the same components as those in the first embodiment are denoted by the same reference numerals, and descriptions thereof will be omitted where appropriate.

[0048] 3 is an enlarged cross-sectional view of a main portion of a glass diaphragm module 40 according to the second embodiment. As shown in FIG. 3, in this embodiment, the mount member 16 is attached to the rear glass 12 only via a first adhesive layer 22. The first adhesive layer 22 can be made of the same materials as in the first embodiment.

[0049] The first adhesive layer 22 is provided over the entire surface of the mount member 16 facing the rear glass 12. Therefore, the mount member 16 does not need to be provided with a recess 16A into which the second adhesive layer 24 can fit.

[0050] Third Embodiment A glass diaphragm module 50 according to a third embodiment will be described with reference to Fig. 4. Note that the same components as those in the first and second embodiments are denoted by the same reference numerals, and descriptions thereof will be omitted as appropriate.

[0051] 4 is an enlarged cross-sectional view of a main part of a glass vibration plate module 50 according to a third embodiment. As shown in FIG. 4, in this embodiment, the shape of a mounting member 52 constituting a vibration module 51 is different from that of the second embodiment.

[0052] The mount member 52 includes a main body 54 and an extension 56, and the extension 56 extends outward from the main body 54. A side wall 54A protrudes from the main body 54 toward the indoor side, and the vibrator 26 is housed in an area surrounded by the side wall 54A.

[0053] In this embodiment, the outer peripheral end of the extension 56 is formed thicker than the other portions. An engagement groove 56A is formed in the extension 56, and the engagement claw 34A of the cover member 30 is engaged with the engagement groove 56A.

[0054] In this embodiment, the attachment strength of the cover member 30 can be improved by making the portion of the extension 56 that engages with the engaging claw 34A thicker.

[0055] Fourth Embodiment A glass diaphragm module 60 according to a fourth embodiment will be described with reference to Fig. 5. Note that the same components as those in the first and second embodiments are denoted by the same reference numerals, and descriptions thereof will be omitted as appropriate.

[0056] 5 is an enlarged cross-sectional view of a main part of a glass vibration plate module 60 according to a fourth embodiment. As shown in FIG. 5, in this embodiment, the shape of a mount member 62 constituting a vibration module 61 is different from that of the second embodiment.

[0057] The mount member 62 includes a main body 64 and an extension 66, and the extension 66 extends outward from the main body 64. A side wall 64A protrudes from the main body 64 toward the indoor side, and the vibrator 26 is housed in the area surrounded by the side wall 64A.

[0058] In this embodiment, a guide groove 66A that engages with the cover member 68 is formed on the outer peripheral end of the extension portion 66. The cover member 68 is formed in a substantially C-shape with the rear window 12 side open in a cross section seen from the radial direction of the vibration module 61, and includes a main surface portion 70 that covers the vibrator 26 from the passenger compartment side, and a peripheral wall portion 72 that extends from the outer peripheral end of the main surface portion 70 toward the mount member 62.

[0059] A protrusion 72A that engages with the guide groove 66A is formed at the tip of the peripheral wall portion 72, and the cover member 68 is attached to the mount member 62 by sliding the protrusion 72A along the guide groove 66A. In addition, a plurality of through holes 70A are formed in the main surface portion 70.

[0060] In this embodiment, the cover member 68 can be attached to the mount member 62 simply by sliding it. The extension portion 66 of the mount member 62 may be formed thick, as in the third embodiment.

[0061] Fifth Embodiment A glass diaphragm module 80 according to a fifth embodiment will be described with reference to Fig. 6. Note that the same components as those in the first and second embodiments are denoted by the same reference numerals, and descriptions thereof will be omitted as appropriate.

[0062] 6 is an enlarged cross-sectional view of a main portion of a glass diaphragm module 80 according to a fifth embodiment. As shown in FIG. 6, in this embodiment, a cover member 82 is not directly attached to the mount member 16 that constitutes the vibration module 81. Therefore, no engagement groove 20A is formed on the outer peripheral end of the extension 20 of the mount member 16, but the extension 20 may have the engagement groove 20A as in the first embodiment.

[0063] The cover member 82 is attached to an interior member 84 provided around the rear glass 12. An attachment hole 84A to which the cover member 82 can be attached is formed in the interior member 84, and the cover member 82 is fitted into this attachment hole 84A. The interior member 84 may be provided with a guide portion that makes it easier to fit the cover member 82.

[0064] The cover member 82 is positioned to cover the vibrator 26 from the indoor side, and has a number of through holes 82A formed therein. The size of the through holes 82A may be the same as in the first embodiment, or may be a different size. In this embodiment, the cover member 82 does not need to be attached directly to the mount member 16.

[0065] Sixth Embodiment A glass diaphragm module 90 according to a sixth embodiment will be described with reference to Fig. 7. Note that the same components as those in the first and second embodiments are denoted by the same reference numerals, and descriptions thereof will be omitted as appropriate.

[0066] 7 is an enlarged cross-sectional view of a main portion of a glass vibration plate module 90 according to a sixth embodiment. As shown in FIG. 7, in this embodiment, a cover member is partially attached to the mount member 16 that constitutes the vibration module 91. Specifically, an engagement groove portion 20A is formed only in a portion of the outer peripheral end portion of the extension portion 20 of the mount member 16.

[0067] The cover member 92 is formed in a substantially L-shape in cross section, and is formed integrally with the interior member 94. Furthermore, a plurality of through holes 92A are formed in the portion of the cover member 92 that covers the vibrator 26.

[0068] A peripheral wall portion 93 extends downward from one end of the cover member 92, and an engaging claw 93A is formed at the tip of the peripheral wall portion 93. The engaging claw 93A engages with an engaging groove portion 20A formed in the extension portion 20 of the mount member 16. In this manner, the cover member 92 is attached to the mount member 16.

[0069] In this embodiment, the cover member 92 and the interior member 94 are integrally formed, so the number of steps required to assemble the cover member 92 and the interior member 94 can be reduced.

[0070] Seventh Embodiment A glass diaphragm module 100 according to a seventh embodiment will be described with reference to Fig. 8. Note that the same reference numerals are used for the same components as those in the first and second embodiments, and descriptions thereof will be omitted as appropriate.

[0071] 8 is an enlarged cross-sectional view of a main part of a glass vibration plate module 100 according to a seventh embodiment. As shown in FIG. 8, in this embodiment, a bracket 102 is provided on a mount member 16 constituting the vibration module 101, and a cover member 30 is attached to this bracket 102.

[0072] The brackets 102 may be arranged continuously along the outer periphery of the mount member 16 or may be arranged at multiple locations on the upper surface of the mount member 16 .

[0073] There are no particular limitations on the method of attaching the bracket 102 to the mounting member 16. For example, the bracket 102 may be attached to the mounting member 16 via an adhesive layer. Alternatively, the bracket 102 may be mechanically fastened to the mounting member 16 with bolts, rivets, or the like.

[0074] An engagement groove 102A is formed in the bracket 102, and the engagement claw 34A of the cover member 30 is engaged with this engagement groove 102A.

[0075] In this embodiment, the cover member 30 is not attached to the bracket 102 itself, which increases the versatility of the bracket 102.

[0076] Eighth Embodiment A glass diaphragm module 110 according to an eighth embodiment will be described with reference to Fig. 9 and Fig. 10. Note that the same reference numerals are used for the same components as those in the first and second embodiments, and descriptions thereof will be omitted as appropriate.

[0077] 9 is an enlarged cross-sectional view of a main part of a glass vibration plate module 110 according to an eighth embodiment. As shown in FIG. 9, in this embodiment, a mount member 112 constituting a vibration module 111 includes a main body 114 to which a vibrator 26 is attached, and a flexible arm 116 extending from the main body 114 toward the outer periphery.

[0078] Fig. 10 is a plan view of the mount member 112 according to the eighth embodiment. As shown in Fig. 10, the main body 114 is formed in a substantially circular shape, and a recess 114A is formed in the center of the main body 114 to accommodate the vibrator 26.

[0079] A plurality of arm portions 116 are provided at intervals along the outer periphery of the main body portion 114. In this embodiment, four arm portions 116 extend outward from the main body portion 114. Each arm portion 116 is formed thinner than the main body portion 114 and is flexible. A fastening portion 116A is formed at the tip of each arm portion 116, and the cover member 30 is attached to this fastening portion 116A.

[0080] The arm 116 may be made of a metal such as stainless steel, aluminum, or titanium, similar to the mount. Alternatively, at least a portion of the mount member 16 may be made of a resin such as plastic. Examples of plastic include general engineering plastics such as ABS, PVC, PC, PP, PBT, PA66, and PPS. Fiber-reinforced plastics including glass fiber and carbon fiber may also be used. Furthermore, in addition to the above, more flexible materials can be selected, and it is more preferable to use at least one of rubber, felt, film, wire mesh, and woven steel. For example, the arm 116 may be made of a metal such as stainless steel, aluminum, titanium, copper, silver, gold, tungsten, or zinc. In addition to the above engineering plastics, the arm 116 may also be made of a resin material including epoxy, acrylic, urethane, silicone, or fluorine. Furthermore, the arm 116 may be made of a composite material containing a fibrous material such as nylon, rayon, polyamide, cellulose, polyurethane, polypropylene, polyether, polyetherester, polyethylene, polyphenol, aramid, carbon fiber, glass fiber, ceramic fiber, or metal fiber.

[0081] The thickness of the arm portion 116 is preferably 50 mm or less, more preferably 20 mm or less, and even more preferably 10 mm or less. If the thickness is too thin, the yield during molding processing will decrease, so the thickness is preferably 0.001 mm or more, more preferably 0.01 mm or more, and even more preferably 0.1 mm or more. The arm portion 116 may have an easily deformable portion having a spring shape, mesh shape, woven shape, porous shape, or the like that is easily elastically deformed or bends.

[0082] 9 , the main body 114 of the mount member 112 is attached to the rear glass 12 by the first adhesive layer 22. Similarly, the fastening portion 116A of the arm portion 116 is attached to the rear glass 12 by the first adhesive layer 22. Note that the entire arm portion 116 may be attached to the rear glass 12 by the first adhesive layer 22.

[0083] 9, the rear glass 12 is illustrated as being substantially flat, but it may be curved. In this case, the flexible arm portion 116 bends to follow the curved surface of the rear glass 12, thereby allowing the mount member 112 to be attached to the rear glass 12.

[0084] The cover member 30 is configured to include a main surface portion 32 that covers the vibrator 26 from the vehicle interior side, and a peripheral wall portion 34 that extends from the outer circumferential end of the main surface portion 32 toward the mount member 16, and the tip of the peripheral wall portion 34 is attached to the fastening portion 116A of the arm portion 116 via a third adhesive layer 118. Note that the arm portion 116 may be attached to the fastening portion 116A by a method other than the adhesive layer.

[0085] In this embodiment, even if the vehicle has a curved surface such as the rear window 12, the mount member 112 can be attached so as to follow the curved surface.

[0086] Ninth Embodiment A glass diaphragm module 120 according to a ninth embodiment will be described with reference to Fig. 11. Note that the same components as those in the eighth embodiment are denoted by the same reference numerals, and descriptions thereof will be omitted where appropriate. This embodiment has the same configuration as the eighth embodiment, except for the mount member 122.

[0087] 11 is an enlarged cross-sectional view of a main portion of a mounting member 122 constituting a glass diaphragm module 120 according to the ninth embodiment. As shown in FIG. 11, in this embodiment, the mounting member 122 is configured to include a main body portion 124 to which the vibrator 26 is attached, and a flexible thin-walled portion 126 that extends outward from the main body portion 124.

[0088] The main body 124 is formed in a substantially circular shape, and a recess 124A is formed in the center of the main body 124 to accommodate the vibrator 26.

[0089] The thin-walled portion 126 is formed in the shape of a thin plate that is thinner than the main body portion 124 and has flexibility. The thin-walled portion 126 is formed concentrically with the main body portion 124, and fastening portions 126A are formed at four locations on the outer circumferential edge of the thin-walled portion 126 to which a cover member is attached.

[0090] When the thin-walled portion 126 is integrally molded with the mount, it may be made of a metal such as stainless steel, aluminum, or titanium, as with the mount. Alternatively, at least a portion of the mount member 16 may be made of a resin such as plastic. Examples of plastic include general engineering plastics such as ABS, PVC, PC, PP, PBT, PA66, and PPS, as well as fiber-reinforced plastics including glass fiber and carbon fiber. Furthermore, in addition to the above, more flexible materials can be selected, and it is more preferable to use materials such as rubber, felt, and film. It is more preferable to use at least one of wire mesh and woven steel. For example, the thin-walled portion 126 may be made of a metal such as stainless steel, aluminum, titanium, copper, silver, gold, tungsten, or zinc. In addition to the above engineering plastics, it may also be made of a resin material including epoxy, acrylic, urethane, silicone, or fluorine. Furthermore, it may be made of a composite material with fibrous materials such as nylon, rayon, polyamide, cellulose, polyurethane, polypropylene, polyether, polyetherester, polyethylene, polyphenol, aramid, carbon fiber, glass fiber, ceramic fiber, or metal fiber.

[0091] The thickness of the thin-walled portion 126 is preferably 10 mm or less, more preferably 5 mm or less, and even more preferably 1 mm or less. It is preferably 0.001 mm or more, more preferably 0.01 mm or more, and even more preferably 0.1 mm or more. If the thin-walled portion is too thin, the yield during processing and molding decreases. Therefore, the thin-walled portion may not only be thinner than the main body portion 124, but may also have an easily deformable portion having a spring shape, pleated shape, mesh shape, woven shape, porous shape, or the like that is easily elastically deformed or easily bent.

[0092] In this embodiment, the area bonded to the rear glass 12 is increased compared to the eighth embodiment, and therefore the mounting stability of the mount member 122 is improved.

[0093] 13 is an enlarged cross-sectional view of a main part of a glass diaphragm module 130 according to a tenth embodiment. As shown in FIG. 13, in this embodiment, a bracket 102 is provided separately from the mount member 16.

[0094] 14 is a plan view of a mount member according to an eleventh embodiment. As shown in FIG. 14 , in this embodiment, a mount member 16 has a main body 18 and an extension 20 connected by a connecting portion 21.

[0095] 15 is an enlarged cross-sectional view of a main part of a glass diaphragm module 140 according to the eleventh embodiment. As shown in FIG. 15, the connecting portion 21 is spaced apart from the rear glass 12.

[0096] 16 is an enlarged cross-sectional view of a main part of a glass diaphragm module 150 according to a twelfth embodiment. As shown in FIG. 16, the connecting portion 21 is attached to the rear glass 12 via a first adhesive layer 22.

[0097] 17 is an enlarged cross-sectional view of a main part of a glass diaphragm module 160 according to a thirteenth embodiment. As shown in FIG. 17, the connecting portion 21 is spaced apart from the rear glass 12. The connecting portion 21 has a spring shape that can absorb vibrations from the main body 18.

[0098] 18 is an enlarged cross-sectional view of a main part of a glass diaphragm module 170 according to a 14th embodiment. As shown in FIG. 18, a cover member 172 of this embodiment is formed in a dome shape.

[0099] The material of the cover member 172 is not particularly limited, and may be made of metal or resin. ５ [Pa] or more, preferably 10 ６ [Pa] is more preferable, and 10 ７ From the viewpoint of processability and moldability, the Young's modulus of the cover member 172 is preferably 10 １２ [Pa] or less is preferred.

[0100] Furthermore, a plurality of through holes 172A are formed in the cover member 172. The size of the through holes 172A is set to 0.1 mm so as not to obstruct the vibrations from the rear glass 12 and the vibrator 26. ２ ] or more is preferable, and ２ ] or more is more preferable, and 3 [mm ２ Furthermore, if the through-hole 172A is too large, there is a danger when the actuator falls, so a gap of 100 [mm ２ ] or less is preferable, and 50 [mm ２ ] or less is more preferable, and 30 [mm ２ ] or less is more preferred.

[0101] Furthermore, the penetration direction of some of the through holes 172A is inclined with respect to the plate thickness direction of the rear glass 12. Specifically, the through holes 172A penetrate, for example, perpendicular to the dome shape. Note that the size of the through holes 172A is exaggerated in Figure 18, and in reality, the through holes may be formed to a size that makes it impossible to see inside.

[0102] The cover member 172 may also be formed in a mesh pattern. In this case, the opening area can be made larger than in a configuration in which multiple through holes 172A are formed, which is preferable in terms of heat dissipation, etc. Furthermore, since the cover member 172 is dome-shaped, sound can be diffused in three dimensions.

[0103] 19 is an enlarged cross-sectional view of a main part of a glass diaphragm module 180 according to a 15th embodiment. As shown in Fig. 19, a cover member 182 of this embodiment has a through-hole 182A formed in a side surface rather than a main surface. That is, the through-hole 182A is formed in the cover member 182 at a position other than directly above the vibrator 26.

[0104] The shape of the through-holes 182A is not particularly limited, and may be, for example, slit-shaped along the circumferential surface of the cover member 182. The side surface of the cover member 182 may also be formed in a mesh pattern. In this case, since no through-holes 182A are formed directly above the vibrator 26, the opening area can be made larger than in a configuration in which multiple through-holes 172A are formed, which is preferable from the standpoint of heat dissipation and the like. Furthermore, since the cover member 172 is dome-shaped, sound can be diffused in three dimensions.

[0105] 20 is a rear view showing a roof glass of a vehicle to which a glass vibration plate module according to a 16th embodiment is applied. As shown in FIG. 20 , a decorative member 191 is attached to the interior side of the roof glass 190 so as to overlap the area where the vibration module 14 is attached in a front view. In this embodiment, the vibration module 14 and the decorative member 191 are provided at the four corners and the center of the side edges of the roof glass 190, but this is not limiting. The decorative member 191 and the cover member may also be provided independently.

[0106] While the glass vibration plate module according to the embodiment has been described above, it is needless to say that it can be embodied in various forms without departing from the spirit and scope of the present invention. For example, it may be applied to a roof glass, a windshield, a rear quarter glass, or a front bench glass of a vehicle.

[0107] The following additional notes are provided regarding the above-described embodiment.

[0108] (Supplementary Note 1) A glass diaphragm module comprising: a glass plate constituting a windowpane; a mount member attached to the interior side of the glass plate; a vibrating component attached to the mount member; and a cover member covering the vibrating component from the interior side and having a plurality of through holes formed therein. (Supplementary Note 2) The glass diaphragm module according to Supplementary Note 1, wherein a bracket is provided on the mount member, and the cover member is attached to the bracket. (Supplementary Note 3) The glass diaphragm module according to Supplementary Note 1, wherein an interior member is provided around the periphery of the glass plate, and the cover member is attached to the interior member. (Supplementary Note 4) The glass diaphragm module according to Supplementary Note 1, wherein an interior member is provided around the periphery of the glass plate, and the cover member is attached to the mount member and the interior member. (Supplementary Note 5) The glass diaphragm module according to any one of Supplements 1 to 4, wherein the interior member has a guide portion that fits with the cover member. (Supplementary Note 6) The glass diaphragm module according to Supplementary Note 1, wherein the cover member is formed integrally with an interior member provided around the glass plate. (Supplementary Note 7) The glass diaphragm module according to any one of Supplementary Notes 1 to 6, wherein the mounting member includes a main body to which the vibration component is attached and a flexible arm portion extending from the main body toward the outer periphery. (Supplementary Note 8) The glass diaphragm module according to Supplementary Note 7, wherein a plurality of the arm portions are provided at intervals along the outer periphery of the main body. (Supplementary Note 9) The glass diaphragm module according to any one of Supplementary Notes 1 to 6, wherein the mounting member includes a main body to which the vibration component is attached and a flexible thin-walled portion formed in a thin plate shape and extending from the main body toward the outer periphery. (Supplementary Note 10) The glass vibration plate module according to any one of Supplementary Notes 1 to 9, wherein the glass plate is a rear glass or a roof glass of a vehicle, and the cover member is provided on a peripheral edge of the rear glass or the roof glass. (Supplementary Note 11) The through-hole formed in the cover member has a size of 0.1 mm ２ ] or more, 100 [mm２

[0023] The glass diaphragm module according to any one of Supplementary Notes 1 to 10, wherein: (Supplementary Note 12) The glass diaphragm module according to any one of Supplementary Notes 1 to 11, wherein the through holes are also formed in the lateral direction of the cover member; (Supplementary Note 13) The glass diaphragm module according to any one of Supplementary Notes 1 to 12, wherein the cover member is formed in a dome shape, and the penetration direction of some of the through holes is inclined with respect to the thickness direction of the glass plate; (Supplementary Note 14) The glass diaphragm module according to any one of Supplementary Notes 1 to 13, wherein the through holes are formed in a position on the cover member other than directly above the vibrating component. The disclosure of Japanese Patent Application No. 2024-008920 is incorporated herein by reference in its entirety. All documents, patent applications, and technical standards described herein are incorporated herein by reference to the same extent as if each individual document, patent application, and technical standard were specifically and individually indicated to be incorporated by reference.

[0109] 10, 40, 50, 60, 80, 90, 100, 110, 120 Glass vibration plate module 12 Rear glass (glass plate) 16, 52, 62, 112, 122 Mounting member 26 Vibrator (vibration part) 30, 68, 82, 92 Cover member 32A, 70A, 82A, 92A Through hole 84, 94 Interior member 102 Bracket 114 Main body portion 116 Arm portion 124 Main body portion 126 Thin portion

Claims

1. A glass diaphragm module having a glass plate constituting a window glass, a mount member attached to the indoor side of the glass plate, a vibration component attached to the mount member, and a cover member that covers the vibration component from the indoor side and has a plurality of through holes, wherein the cover member covers only a part of the glass plate.

2. The glass diaphragm module according to claim 1, wherein a bracket is provided on the mount member, and the cover member is attached to the bracket.

3. The glass diaphragm module according to claim 1, wherein the cover member is attached to an interior member provided around the glass plate.

4. The glass diaphragm module according to claim 1, wherein an interior member is provided around the glass plate, and the cover member is attached to the interior member.

5. The glass diaphragm module according to claim 4, wherein the interior member is provided with a guide portion that fits with the cover member.

6. The glass diaphragm module according to claim 1, wherein the cover member is integrally formed with an interior member provided around the glass plate.

7. The glass diaphragm module according to claim 1, wherein the mount member includes a main body portion to which the vibration component is attached and an arm portion that extends from the main body portion to the outer peripheral side and has flexibility.

8. The glass diaphragm module according to claim 7, wherein a plurality of the arm portions are provided at intervals along the outer periphery of the main body portion.

9. The glass diaphragm module according to claim 1, wherein the mount member includes a main body portion to which the vibration component is attached and a flexible thin portion that is formed in a thin plate shape and extends from the main body portion to the outer peripheral side.

10. The glass diaphragm module according to any one of claims 1 to 9, wherein the glass plate is a rear glass or a roof glass of a vehicle, and the cover member is provided at a peripheral edge portion of the rear glass or a peripheral edge portion of the roof glass.

11. The size of the through hole formed in the cover member is 0.1 [mm ２ or more and 100 [mm ２ or less. The glass diaphragm module according to any one of claims 1 to 9.

12. The glass diaphragm module according to any one of claims 1 to 9, wherein the through holes are also formed in a side surface direction of the cover member.

13. The glass diaphragm module according to any one of claims 1 to 9, wherein the cover member is formed in a dome shape, and the penetration direction of some of the through holes is inclined with respect to the plate thickness direction of the glass plate.

14. The glass diaphragm module according to any one of claims 1 to 9, wherein the through hole is formed at a position other than directly above the vibration component in the cover member.

Images