CN203788452U - Acoustic metal diaphragm - Google Patents
Acoustic metal diaphragm Download PDFInfo
- Publication number
- CN203788452U CN203788452U CN201320849342.1U CN201320849342U CN203788452U CN 203788452 U CN203788452 U CN 203788452U CN 201320849342 U CN201320849342 U CN 201320849342U CN 203788452 U CN203788452 U CN 203788452U
- Authority
- CN
- China
- Prior art keywords
- metal
- coat
- dielectric layer
- membrane substrate
- shaking membrane
- 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.)
- Expired - Lifetime
Links
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 52
- 239000002184 metal Substances 0.000 title claims abstract description 52
- 229910000952 Be alloy Inorganic materials 0.000 claims abstract description 7
- 229910052790 beryllium Inorganic materials 0.000 claims abstract description 7
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000012528 membrane Substances 0.000 claims description 36
- 239000000758 substrate Substances 0.000 claims description 36
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 20
- 239000000956 alloy Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 7
- 239000011248 coating agent Substances 0.000 abstract 4
- 238000000576 coating method Methods 0.000 abstract 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241001237732 Microtia Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Landscapes
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The utility model discloses an acoustic metal diaphragm comprising a diaphragm base material and a metal coating bonded and covering on a surface of the diaphragm base material through a dielectric layer; the dielectric layer is arranged between the diaphragm base material and the metal coating made of pure beryllium or beryllium alloy; therefore, the dielectric layer is used to firmly bond the metal coating on the surface of the diaphragm base material; the pure beryllium or beryllium alloy are employed to make the metal coating so as to increase the rigidity of the diaphragm base material, and softness of the diaphragm base material can be maintained, so bandwidth attenuation can be effectively slowed, frequency band is wide, thereby well solving high frequency problems, and sound quality can be better; the acoustic metal diaphragm can be widely applied in acoustics equipment like an earphone, an earplug, a horn, and a microphone.
Description
Technical field
The utility model relates to vibrating diaphragm art, refers in particular to a kind of high frequency problem that can solve and makes tonequality keep good acoustics metal vibration diaphragm.
Background technology
Vibrating diaphragm is earplug, earphone, between the important composition parts of the various acoustic equipments such as microphone, existing vibrating diaphragm normally adopts a kind of forming materials to go out the vibrating diaphragm of simple layer, when sounding, acoustic equipment conventionally has high and low frequency, in order to solve the high frequency problem of acoustic equipment, traditional solution is, stamp on vibrating diaphragm, to strengthen the rigidity of vibrating diaphragm, yet, list can not make the pliability of vibrating diaphragm and rigidity take into account preferably with this kind of method, thereby make the frequency response of acoustic equipment wide not, tonequality is good not, as shown in Figure 1 to Figure 3, Fig. 1 to Fig. 3 is respectively existing vibrating diaphragm and is applied in large earphone, frequency response on microphone and little earphone and different sound curve chart, by finding out significantly on figure, when sound frequency reaches 10KHZ when above, sound pressure level is downward trend linearly, frequency range decay is very fast, thereby acoustical quality is declined to a great extent, especially, while being applied on little earphone, sound there will be the problem of shrillness.
Utility model content
In view of this, the utility model is for the disappearance of prior art existence, and its main purpose is to provide a kind of acoustics metal vibration diaphragm, and it can effectively solve existing vibrating diaphragm and adopt stamp mode can not keep vibrating diaphragm pliability and make the imperfect problem of acoustic equipment tonequality.
For achieving the above object, the utility model adopts following technical scheme:
A kind of acoustics metal vibration diaphragm, include shaking membrane substrate and the coat of metal, this coat of metal is covered on the surface of shaking membrane substrate by a dielectric layer bonding, and dielectric layer is located between shaking membrane substrate and the coat of metal, and this coat of metal is pure beryllium or beryllium alloy material.
As a kind of preferred version, described shaking membrane substrate is film.
As a kind of preferred version, further include copper ring, the outer rim of the outer rim of this shaking membrane substrate, the outer rim of dielectric layer and the coat of metal is all connected with the inner edge of this copper ring.
As a kind of preferred version, the cross section of described copper ring is square or rectangle.
As a kind of preferred version, described shaking membrane substrate, dielectric layer, the coat of metal and copper ring are all rounded.
As a kind of preferred version, described shaking membrane substrate, dielectric layer, the coat of metal and copper ring are all rectangle.
As a kind of preferred version, the equal ovalize of described shaking membrane substrate, dielectric layer, the coat of metal and copper ring.
The utility model compared with prior art has obvious advantage and beneficial effect, particularly, and as shown from the above technical solution:
By utilize dielectric layer by coat of metal secure bond on the surface of shaking membrane substrate, and coordinate the pure beryllium of employing or beryllium alloy material to make the coat of metal, utilize the coat of metal both to increase the rigidity of shaking membrane substrate, the pliability that has kept again shaking membrane substrate, frequency range decay is effectively slowed down, and frequency band is wider, can solve well high frequency problem, thereby be conducive to make tonequality better, the utility model is widely used in the various acoustic equipments such as earphone, earplug, loudspeaker, microphone.
For more clearly setting forth architectural feature of the present utility model and effect, below in conjunction with accompanying drawing and specific embodiment, the utility model is elaborated.
Accompanying drawing explanation
Fig. 1 is that the vibrating diaphragm of tradition is applied in frequency response and the different sound curve chart on large earphone;
Fig. 2 is that the vibrating diaphragm of tradition is applied in frequency response and the different sound curve chart on microphone;
Fig. 3 is that the vibrating diaphragm of tradition is applied in frequency response and the different sound curve chart on little earphone;
Fig. 4 is the vertical view of first preferred embodiment of the utility model;
Fig. 5 is the sectional view of first preferred embodiment of the utility model;
Fig. 6 is the vertical view of second preferred embodiment of the utility model;
Fig. 7 is the view in transverse section of second preferred embodiment of the utility model;
Fig. 8 is the longitdinal cross-section diagram of second preferred embodiment of the utility model;
Fig. 9 is the vertical view of the 3rd preferred embodiment of the utility model;
Figure 10 is the view in transverse section of the 3rd preferred embodiment of the utility model;
Figure 11 is the longitdinal cross-section diagram of the 3rd preferred embodiment of the utility model;
Figure 12 is that the utility model is applied in frequency response and the different sound curve chart on large earphone;
Figure 13 is that the utility model is applied in frequency response and the different sound curve chart on microphone;
Figure 14 is that the utility model is applied in frequency response and the different sound curve chart on little earphone.
Accompanying drawing identifier declaration:
10, shaking membrane substrate 20, the coat of metal
30, dielectric layer 40, copper ring.
Embodiment
Please refer to shown in Fig. 4 and Fig. 5, the concrete structure that it has demonstrated first preferred embodiment of the utility model, includes shaking membrane substrate 10 and the coat of metal 20.
This shaking membrane substrate 10 is film.This coat of metal 20 is covered on the surface of shaking membrane substrate 10 by dielectric layer 30 bondings, dielectric layer 30 is located between shaking membrane substrate 10 and the coat of metal 20, and this coat of metal 20 is pure beryllium or beryllium alloy material, in the present embodiment, the coat of metal 20 is that in confined space, the mode by sputter is formed on dielectric layer 30, thereby bonding is covered on the surface of shaking membrane substrate 10, so make the coat of metal 20 be bonded in securely on the surface of shaking membrane substrate 10, can increase the rigidity of shaking membrane substrate 10, keep again the pliability of shaking membrane substrate 10.
And, in the present embodiment, further including copper ring 40, the cross section of this copper ring 40 is square, and the outer rim of the outer rim of this shaking membrane substrate 10, dielectric layer 30 and the outer rim of the coat of metal 20 are all connected with the inner edge of this copper ring 40.
In addition, in the present embodiment, this shaking membrane substrate 10, dielectric layer 30, the coat of metal 20 and copper ring 40 are all rounded.
Please refer to shown in Fig. 6 and Fig. 8, it has demonstrated the concrete structure of second preferred embodiment of the utility model, and the concrete structure of the concrete structure of the present embodiment and aforementioned the first preferred embodiment is basic identical, and its difference is:
In the present embodiment, this shaking membrane substrate 10, dielectric layer 30, the coat of metal 20 and copper ring 40 are all rectangle.
Please refer to shown in Fig. 9 and Figure 11, it has demonstrated the concrete structure of the 3rd preferred embodiment of the utility model, and the concrete structure of the concrete structure of the present embodiment and aforementioned the first preferred embodiment is basic identical, and its difference is:
In the present embodiment, this shaking membrane substrate 10, dielectric layer 20, the coat of metal 20 and the equal ovalize of copper ring 40, the shape of this shaking membrane substrate 10, dielectric layer 20, the coat of metal 20 and copper ring 40 is not limit.
As shown in Figure 12 to Figure 13, it is respectively the utility model and is applied in frequency response and the different sound curve chart on large earphone, microphone and little earphone, by Figure 12 to Figure 13, in conjunction with Fig. 1 to Fig. 3, can be found out significantly again, when sound frequency reaches 10KHZ when above, the sound pressure level that the test of application the utility model obtains declines mild, frequency range decay is effectively slowed down, thereby makes large earphone, microphone and microtia organizational security hold good acoustical quality, has reached beyond thought effect.
Design focal point of the present utility model is: by utilize dielectric layer by coat of metal secure bond on the surface of shaking membrane substrate, and coordinate the pure beryllium of employing or beryllium alloy material to make the coat of metal, utilize the coat of metal both to increase the rigidity of shaking membrane substrate, the pliability that has kept again shaking membrane substrate, frequency range decay is effectively slowed down, frequency band is wider, can solve well high frequency problem, thereby be conducive to make tonequality better, the utility model is widely used in the various acoustic equipments such as earphone, earplug, loudspeaker, microphone.
The above, it is only preferred embodiment of the present utility model, not technical scope of the present utility model is imposed any restrictions, therefore any trickle modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done above embodiment, all still belong in the scope of technical solutions of the utility model.
Claims (7)
1. an acoustics metal vibration diaphragm, it is characterized in that: include shaking membrane substrate and the coat of metal, this coat of metal is covered on the surface of shaking membrane substrate by a dielectric layer bonding, and dielectric layer is located between shaking membrane substrate and the coat of metal, and this coat of metal is pure beryllium or beryllium alloy material.
2. acoustics metal vibration diaphragm according to claim 1, is characterized in that: described shaking membrane substrate is film.
3. acoustics metal vibration diaphragm according to claim 1, is characterized in that: further include copper ring, the outer rim of the outer rim of this shaking membrane substrate, the outer rim of dielectric layer and the coat of metal is all connected with the inner edge of this copper ring.
4. acoustics metal vibration diaphragm according to claim 3, is characterized in that: the cross section of described copper ring is square.
5. acoustics metal vibration diaphragm according to claim 3, is characterized in that: described shaking membrane substrate, dielectric layer, the coat of metal and copper ring are all rounded.
6. acoustics metal vibration diaphragm according to claim 3, is characterized in that: described shaking membrane substrate, dielectric layer, the coat of metal and copper ring are all rectangle.
7. acoustics metal vibration diaphragm according to claim 3, is characterized in that: the equal ovalize of described shaking membrane substrate, dielectric layer, the coat of metal and copper ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320849342.1U CN203788452U (en) | 2013-12-18 | 2013-12-18 | Acoustic metal diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320849342.1U CN203788452U (en) | 2013-12-18 | 2013-12-18 | Acoustic metal diaphragm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203788452U true CN203788452U (en) | 2014-08-20 |
Family
ID=51324600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320849342.1U Expired - Lifetime CN203788452U (en) | 2013-12-18 | 2013-12-18 | Acoustic metal diaphragm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203788452U (en) |
-
2013
- 2013-12-18 CN CN201320849342.1U patent/CN203788452U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171124 Address after: Shijie Zhen Si Jia Cun 523000 Guangdong city of Dongguan Province Patentee after: DONGGUAN TRANSOUND ELECTRONICS Co.,Ltd. Address before: Four in Guangdong province Dongguan city Shijie town 523000 three industrial zone Dongguan transound Electronics Co Ltd Co-patentee before: Wen Zengfeng Patentee before: DONGGUAN TRANSOUND ELECTRONICS Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Acoustic metal diaphragm Effective date of registration: 20180118 Granted publication date: 20140820 Pledgee: Kingston Technology Corp. Pledgor: DONGGUAN TRANSOUND ELECTRONICS Co.,Ltd. Registration number: 2018990000059 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20201224 Granted publication date: 20140820 Pledgee: Kingston Technology Corp. Pledgor: DONGGUAN TRANSOUND ELECTRONICS Co.,Ltd. Registration number: 2018990000059 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140820 |