CN115002605B - Musical glass with sealed sound cavity structure to improve surface sound sensitivity - Google Patents
Musical glass with sealed sound cavity structure to improve surface sound sensitivityInfo
- Publication number
- CN115002605B CN115002605B CN202210638999.7A CN202210638999A CN115002605B CN 115002605 B CN115002605 B CN 115002605B CN 202210638999 A CN202210638999 A CN 202210638999A CN 115002605 B CN115002605 B CN 115002605B
- Authority
- CN
- China
- Prior art keywords
- glass
- low
- frame body
- vibrating diaphragm
- sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2807—Enclosures comprising vibrating or resonating arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/12—Sanitary or hygienic devices for mouthpieces or earpieces, e.g. for protecting against infection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
- H04R1/2876—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
- H04R7/06—Plane diaphragms comprising a plurality of sections or layers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/13—Acoustic transducers and sound field adaptation in vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Public Health (AREA)
- Multimedia (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The application relates to musical glass for improving the sound production sensitivity of a surface of a sealed sound cavity structure, which comprises main vibrating diaphragm glass, a low-damping resonance-reduction layer, a sealed audio conducting structure, driving components and acrylic acid adhesive. The low damping resonance reduction layer is arranged on the main vibrating diaphragm glass. The sealed audio conducting structure is arranged on the low-damping resonance-reducing layer. The sealed audio frequency conducting structure comprises a frame body and an auxiliary vibrating diaphragm, wherein the frame body is arranged on the low-damping resonance-reduction layer, the auxiliary vibrating diaphragm is arranged on the frame body, and a chamfer is arranged at the joint of the frame body, the low-damping resonance-reduction layer and the auxiliary vibrating diaphragm. One end of the driving component is arranged on the low-damping resonance-reduction layer and is positioned in the sealed audio conducting structure, and the other end of the driving component is connected with the auxiliary vibrating diaphragm. The acrylic acid adhesive is arranged at the joint of the frame body, the auxiliary vibrating diaphragm and the low-damping resonance-reduction layer. According to the application, mechanical damping can be effectively reduced, transmission of audio signals is improved, and SPL value is indirectly improved through chamfering and low-damping resonance-reducing layer design.
Description
Technical Field
The application relates to a piece of music glass, in particular to a piece of music glass with a sealed sound cavity structure and improved surface sounding sensitivity.
Background
The music glass is a novel sound product in the professional field, can be integrated on any glass of an automobile, and provides a hearing experience from top to bottom, from left to right and from front to back for customers with large area, high directivity, high reliability and difficulty in tuning reduction. In the future, the automobile sound box is replaced, and the purposes of thinning, reducing weight, experiencing new sound sources and shocking new technologies are achieved.
In the process of realizing the application, the applicant finds that the SPL value of the research bottleneck is always lower after the music glass is integrated because the integral thickness of the skylight, the front gear and the like of the automobile glass is larger and belongs to the state of the laminated structure, the sound pressure is always hard to be increased, and the integral power is always in the bottleneck state and cannot be reduced again.
Disclosure of Invention
In order to solve the problems in the prior art, the embodiment of the application provides the musical glass with the sealing sound cavity structure for improving the surface sounding sensitivity. The specific technical scheme is as follows:
In a first aspect, a musical glass for sealing a sound cavity structure to enhance surface acoustic sensitivity is provided, comprising a primary vibrating diaphragm glass, a low damping resonance-reducing layer, a sealed audio conducting structure, a driving component and an acrylic adhesive. The low damping resonance reduction layer is arranged on the main vibrating diaphragm glass. The sealed audio frequency conducting structure is arranged on the low damping resonance reduction layer, and comprises a frame body and an auxiliary vibrating diaphragm, wherein the frame body is arranged on the low damping resonance reduction layer, the auxiliary vibrating diaphragm is arranged on the frame body, and a chamfer is arranged at the joint of the frame body, the low damping resonance reduction layer and the auxiliary vibrating diaphragm. One end of the driving component is arranged on the low-damping resonance-reduction layer and is positioned in the sealed audio conducting structure, and the other end of the driving component is connected with the auxiliary vibrating diaphragm. The acrylic acid adhesive is arranged at the joint of the frame body, the auxiliary vibrating diaphragm and the low-damping resonance-reduction layer.
In a first possible implementation manner of the first aspect, the sealed audio conducting structure further includes a metal film, and the metal film is disposed on an inner wall of the frame body.
In a second possible implementation manner of the first aspect, a through hole is provided at one side of the frame body, for guiding out a lead of the driving component, and a sealing structure is provided at an outer side of the through hole, for sealing the frame body.
With reference to the second possible implementation manner of the first aspect, in a third possible implementation manner of the first aspect, the sealing structure uses a calcium carbonate sealing film.
In a fourth possible implementation manner of the first aspect, the frame is made of silica gel.
In a fifth possible implementation manner of the first aspect, the auxiliary diaphragm uses ultra-thin small glass.
In a sixth possible implementation manner of the first aspect, the main diaphragm glass uses glass in a subway, a urban rail, a high-speed rail, or an automobile.
In a seventh possible implementation manner of the first aspect, the low-damping resonance-reducing layer is made of rubber or silica gel.
In an eighth possible implementation form of the first aspect, the driving element comprises a linear motor or a piezo-ceramic.
In a ninth possible implementation manner of the first aspect, the acrylic adhesive has a bonding length of 1/10 of a length of the frame body and a bonding height of 1/5 of a height of the frame body on each side of the frame body, the auxiliary diaphragm and the low-damping resonance-reducing layer.
Compared with the prior art, the application has the advantages that:
According to the music glass with the sealing sound cavity structure, the sound production sensitivity of the face is improved, chamfering is conducted at the upper edge and the lower edge of the frame, a low-damping resonance reduction layer is arranged between the main vibrating diaphragm glass and the sealing sound conduction structure and between the main vibrating diaphragm glass and the driving component, the chamfering and the low-damping resonance reduction layer complement each other, mechanical damping (Qms) is reduced secondarily, transmission of a sound signal is improved, and an SPL value is indirectly improved.
Meanwhile, the driving components are sealed inside the sealing audio conducting structure, so that the whole sealing audio cavity is realized, dust prevention and water prevention can be realized, and the reliability can be improved. The driving component is connected with the auxiliary vibrating diaphragm on the frame body to form the function of a sound cavity, and buffer release is carried out through the auxiliary vibrating diaphragm, so that the frequency response curve can be effectively improved, and transient distortion is also indirectly reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
FIGS. 1 and 2 are schematic views of a portion of a musical glass with enhanced surface acoustic sensitivity for a sealed cavity structure according to an embodiment of the present application;
FIG. 3 is a schematic diagram of a driving component within a sealed audio conducting structure in accordance with an embodiment of the present application;
fig. 4 is a partial schematic view of a sealed audio conducting structure in accordance with an embodiment of the present application.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the embodiments of the present application will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 to 3, fig. 1 and 2 are schematic views of a portion of a musical glass with enhanced sound emission sensitivity of a sealed sound cavity structure according to an embodiment of the present application, fig. 3 is a schematic view of a driving component of an embodiment of the present application located in a sealed audio conductive structure, and as shown in the drawings, a musical glass 1 with enhanced sound emission sensitivity of a sealed sound cavity structure includes a main vibrating diaphragm glass 2, a low damping resonance-reducing layer 3, a sealed audio conductive structure 4, a driving component 5 and an acrylic adhesive 6. The low damping resonance reduction layer 3 is arranged on the main vibrating diaphragm glass 2, the driving component 5 is arranged on the low damping resonance reduction layer 3, and the driving component 5 is used for driving the main vibrating diaphragm glass 2 to vibrate so as to realize surface sounding. The driving element 5 includes, but is not limited to, a linear motor or piezoelectric ceramics.
In this embodiment, the main vibrating diaphragm glass 2 is an original glass used on subways, urban rails, high-speed rails, automobiles and the like, such as automobile skylights, front windshield glass, high-speed rail side windows and the like, and is used as a vibrating diaphragm on the basis of not changing the integral structure of the window, so that audio signals are transmitted, and large-area surface sounding is realized. The low-damping resonance-reduction layer 3 is an interlayer medium of the main glass vibrating diaphragm 2 and the driving component 5 and is mainly used for reducing the resonance of glass and damping. The low damping resonance damping layer 3 is made of at least PE, CR, PU foam, PORON, glued non-woven fabric, velvet paper, composite pearl cotton, EPP, etc., but is not limited to solid damping materials such as rubber, silica gel, air cushion, etc.
Referring again to fig. 1 and 3, the sealed audio conducting structure 4 is disposed on the low damping resonance-reducing layer 3, and the driving component 5 is located in the sealed audio conducting structure 4. The sealing audio frequency conduction structure 4 is a sealing structure designed above the low damping resonance reduction layer 3, seals the driving components 5 inside, plays the role of integrally sealing the sound cavity, transmits audio frequency to the auxiliary vibrating diaphragm, and simultaneously plays the role of ultrahigh reliability, dust prevention and water prevention.
Referring back to fig. 2 and 3, the sealed audio conducting structure 4 includes a frame 41 and an auxiliary diaphragm 42. The auxiliary diaphragm 42 is provided on the frame 41. One end of the driving element 5 is arranged on the low-damping resonance-reduction layer 3, and the other end of the driving element 5 is connected with the auxiliary vibrating diaphragm 42. The driving component 5 transmits force to the auxiliary vibrating diaphragm 42 to form the function of a sound cavity, so that the frequency response curve can be effectively improved, and transient distortion can be indirectly reduced.
Referring back to fig. 1, a chamfer 401 is disposed at the joint between the frame 41 and the low-damping resonance-reduction layer 3 and the auxiliary diaphragm 42, so that the frame 41 is shaped like a Chinese character 'i', and mechanical damping (Qms) can be effectively reduced, the chamfer 401 and the low-damping resonance-reduction layer 3 complement each other, damping is reduced secondarily, transmission of audio signals is improved, and SPL value is indirectly improved. In the present embodiment, the frame 41 is made of silica gel, and the auxiliary diaphragm 42 is made of ultra-thin small glass, but not limited thereto.
Referring again to fig. 2, the acrylic adhesive 6 is disposed at the junction between the frame 41 and the auxiliary diaphragm 42 and the low-damping resonance-reducing layer 3, and the acrylic adhesive 6 is used to bond the frame 41 to the auxiliary diaphragm 42 and the low-damping resonance-reducing layer 3. In this embodiment, the four corners and the middle area of the frame 41 are provided with the acrylic adhesive 6, the adhesive length of the acrylic adhesive 6 on each side of the frame 41, the auxiliary diaphragm 42 and the low damping resonance reducing layer 3 is 1/10 of the length of the frame 41, the adhesive height is 1/5 of the height of the frame 41, and the area of 3/5 is left blank, so that the materials used for sealing the audio conducting structure 4 can be ensured not to generate chemical and physical reactions, the transmission of audio signals can be effectively ensured, the damping coefficient can be effectively reduced, and the mechanical damping (Qms) can be reduced.
The music glass 1 of the present embodiment is designed to be chamfered at the upper and lower edges of the frame 41, and mechanical damping (Qms) can be effectively reduced. The low-damping resonance-reduction layer 3 is arranged between the main vibrating diaphragm glass 2 and the sealing audio frequency conducting structure 4 and the driving component 5, the chamfer 401 and the low-damping resonance-reduction layer 3 complement each other, the damping is reduced secondarily, the transmission of audio frequency signals is improved, and the SPL value is indirectly improved.
The sealing audio frequency conducting structure 4 seals the driving components and parts 5 in the interior thereof, plays a role of integrally sealing the audio cavity, not only can prevent dust and water, but also can improve the reliability. Meanwhile, the driving component 5 is connected with the auxiliary vibrating diaphragm 42 on the frame 41 to form the function of a sound cavity, and buffer release is carried out through the auxiliary vibrating diaphragm 42, so that the frequency response curve can be effectively improved, and transient distortion can be indirectly reduced.
In an embodiment, referring to fig. 3 again, the musical glass 1 with the sealing sound cavity structure for improving the sound production sensitivity performs low-frequency trap design, that is, a through hole 411 is provided on one side of the frame 41 to guide out the lead wire of the driving component 5, so that not only the low-frequency effect is effectively enhanced, but also the sealing of the product is convenient for improving the reliability, and the Sensitivity (SPL) value is secondarily improved on the basis of the sealing sound conduction structure.
The outside of the through hole 411 is provided with a sealing structure (not shown in the drawing) for sealing the frame 41. In this embodiment, the sealing structure uses a calcium carbonate sealing film. Specifically, the structure of the calcium carbonate is consistent with the shape of the through hole 411, the thickness of the calcium carbonate is calculated according to the depth of the through hole 411, the position of the through hole is subjected to a layer of ultrathin film sealing treatment, the position of the through hole is leveled with the outermost side of the frame 41, after the calcium carbonate is sealed, the film made of the outermost acrylic material is bonded, so that the calcium carbonate is prevented from falling off, and meanwhile, secondary sealing treatment is performed.
In an embodiment, please refer to fig. 4, which is a schematic diagram of a portion of a sealed audio conducting structure according to an embodiment of the present application, as shown in the drawing, the sealed audio conducting structure 4 further includes a metal film 43, and the metal film 43 is disposed on an inner wall of the frame 41, so as to facilitate high-frequency transmission and ensure enhancement of audio of a high-frequency band designed by the audio cavity.
In summary, the application provides the musical glass with the sealing sound cavity structure for improving the surface sounding sensitivity. The application carries out chamfer design at the upper edge and the lower edge of the frame body, and can effectively reduce mechanical damping (Qms). The low-damping resonance-reduction layer is arranged between the main vibrating diaphragm glass and the sealing audio frequency conducting structure as well as between the main vibrating diaphragm glass and the driving component, the chamfer angle and the low-damping resonance-reduction layer complement each other, the damping is reduced secondarily, the transmission of audio frequency signals is improved, and the SPL value is indirectly improved. In addition, the sealed audio frequency conducting structure seals the driving components and parts in the interior of the sealing audio frequency conducting structure, plays a role of integrally sealing the audio frequency cavity, not only can prevent dust and water, but also can improve reliability.
Meanwhile, the driving component is connected with the auxiliary vibrating diaphragm on the frame body to form the function of a sound cavity, and buffer release is carried out through the auxiliary vibrating diaphragm, so that the frequency response curve can be effectively improved, and transient distortion is also indirectly reduced. The application also carries out low-frequency trap design, not only effectively enhances the low-frequency effect, but also facilitates the sealing of products to improve the reliability, and secondarily improves the Sensitivity (SPL) value on the basis of sealing the audio frequency conducting structure.
It should be noted that, in this document, 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.
The embodiments of the present application have been described above with reference to the accompanying drawings, but the present application is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are to be protected by the present application.
Claims (8)
1. The utility model provides a sealed sound cavity structure promotes musical glass of face sound production sensitivity which characterized in that includes:
A primary diaphragm glass;
The low-damping resonance reduction layer is arranged on the main vibrating diaphragm glass;
the sealing audio frequency conduction structure is arranged on the low-damping resonance reduction layer and comprises a frame body and an auxiliary vibrating diaphragm, wherein the frame body is arranged on the low-damping resonance reduction layer, the auxiliary vibrating diaphragm is arranged on the frame body, a chamfer is arranged at the joint of the frame body, the low-damping resonance reduction layer and the auxiliary vibrating diaphragm, the sealing audio frequency conduction structure further comprises a metal film, and the metal film is arranged on the inner wall of the frame body;
one end of the driving component is arranged on the low-damping resonance-reducing layer and is positioned in the sealing audio frequency conducting structure, and the other end of the driving component is connected with the auxiliary vibrating diaphragm;
The acrylic acid adhesive is arranged at the joint of the frame body, the auxiliary vibrating diaphragm and the low-damping resonance-reduction layer, the bonding length of the acrylic acid adhesive on each side of the frame body, the auxiliary vibrating diaphragm and the low-damping resonance-reduction layer is 1/10 of the length of the frame body, and the bonding height is 1/5 of the height of the frame body.
2. The musical glass with the sealing sound cavity structure improving surface sounding sensitivity according to claim 1, wherein a through hole is formed in one side of the frame body and used for guiding out a lead wire of the driving component, and a sealing structure is arranged outside the through hole and used for sealing the frame body.
3. The musical glass with enhanced face sounding sensitivity for a seal sound cavity structure according to claim 2, wherein the seal structure uses a calcium carbonate seal film.
4. The musical glass with improved sound production sensitivity for a sealing sound cavity structure according to claim 1, wherein the frame body is made of silica gel.
5. The musical glass with enhanced surface acoustic sensitivity for sealing a sound cavity structure according to claim 1, wherein the auxiliary diaphragm is made of ultra-thin small glass.
6. The musical glass with enhanced sound sensitivity for sealing sound cavity structure according to claim 1, wherein the main diaphragm glass is glass in subway, urban rail, high-speed rail or car.
7. The musical glass with improved surface sounding sensitivity for a sealed sound cavity structure according to claim 1, wherein the low damping resonance reducing layer is made of rubber or silica gel.
8. The musical glass with enhanced face sounding sensitivity for a sealed acoustic cavity structure according to claim 1, wherein the driving element comprises a linear motor or a piezoelectric ceramic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210638999.7A CN115002605B (en) | 2022-06-08 | 2022-06-08 | Musical glass with sealed sound cavity structure to improve surface sound sensitivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210638999.7A CN115002605B (en) | 2022-06-08 | 2022-06-08 | Musical glass with sealed sound cavity structure to improve surface sound sensitivity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115002605A CN115002605A (en) | 2022-09-02 |
| CN115002605B true CN115002605B (en) | 2025-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202210638999.7A Active CN115002605B (en) | 2022-06-08 | 2022-06-08 | Musical glass with sealed sound cavity structure to improve surface sound sensitivity |
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| CN (1) | CN115002605B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115884019A (en) * | 2022-12-07 | 2023-03-31 | 江苏铁锚玻璃股份有限公司 | Seal cavity opening design method for reducing mechanical damping of music glass |
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| CN113784255A (en) * | 2021-10-26 | 2021-12-10 | 江苏铁锚玻璃股份有限公司 | face vocal structure |
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| CN203851287U (en) * | 2014-03-31 | 2014-09-24 | 歌尔声学股份有限公司 | Electroacoustic transducer |
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| CN106454650A (en) * | 2016-08-23 | 2017-02-22 | 歌尔股份有限公司 | Sound transmission component and mobile phone |
| CN113938778A (en) * | 2021-10-20 | 2022-01-14 | 江苏铁锚玻璃股份有限公司 | Energy-saving low-power-consumption transparent sound box with plane sound production function |
| CN113784255A (en) * | 2021-10-26 | 2021-12-10 | 江苏铁锚玻璃股份有限公司 | face vocal structure |
| CN113993016A (en) * | 2021-11-03 | 2022-01-28 | 江苏铁锚玻璃股份有限公司 | Transparent sound box with reliable metal |
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| CN115002605A (en) | 2022-09-02 |
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Address after: No.128 Changjiang West Road, Hai'an City, Nantong City, Jiangsu Province 226600 Patentee after: Jiangsu Iron Anchor Technology Co.,Ltd. Country or region after: China Address before: No.128 Changjiang West Road, Hai'an City, Nantong City, Jiangsu Province 226600 Patentee before: JIANGSU TIEMAO GLASS Co.,Ltd. Country or region before: China |