CN204906716U - Compound vibrating diaphragm of loudspeaker - Google Patents
Compound vibrating diaphragm of loudspeaker Download PDFInfo
- Publication number
- CN204906716U CN204906716U CN201520683359.3U CN201520683359U CN204906716U CN 204906716 U CN204906716 U CN 204906716U CN 201520683359 U CN201520683359 U CN 201520683359U CN 204906716 U CN204906716 U CN 204906716U
- Authority
- CN
- China
- Prior art keywords
- ring
- gather
- loudspeaker
- support ring
- polyethylene terephthalate
- 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 - Fee Related
Links
Abstract
The utility model discloses a compound vibrating diaphragm of loudspeaker, including the support ring, set up in the radial inboard of support ring and the periphery wall with the support ring is fixed mutually to gather the urethane ring, set up in gather urethane ring radial inboard gather the phthalic acid glycol ester piece, the periphery wall that gathers the phthalic acid glycol ester piece with it is fixed mutually to gather the urethane ring, it is that the sphere form is protruding to be set up to gather center that the phthalic acid glycol ester piece is, it has set gradually arc bellying and arc depressed part to gather the urethane ring in radial inward direction. The utility model discloses a compound vibrating diaphragm of loudspeaker, the space feels strong with the stereovision, and loudly in, the low frequency frequency response is balanced, the high pitch is homophonic abundant, limpid very thin and not ear -piercing, and the middle pitch is bright outstanding, and is plentiful substantial and not stiff, and the bass abundant and do not have a nasal sound.
Description
Technical field
The utility model relates to a kind of composite diaphragm of loudspeaker, belongs to the electroacoustic techniques fields such as receiver, earphone, camera.
Background technology
Vibrating diaphragm is having vital effect to the sound reproduction performance of earphone, and it determines that earphone is converted to the conversion quality of sound by power, and what also determine earphone bears power and playback definition simultaneously.Diaphragm materials General Requirements: density is little, good rigidly and moderate three the conditions the most basic of damping.General Loudspeaker diaphragm material is all homogenous material, and tonequality is in third dimension and stereovision, and thickness sense, there is certain limitation distortion factor aspect, is also difficult to get both, and is difficult to the requirement of satisfied present people for high-quality tonequality.So developing a kind of novel composite diaphragm is a kind of trend, cater to social desirability, there is very large market prospects and social value.The sounding request tonequality of earphone to loudspeaker is good, clear, without noise and low frequency is plentiful and dive is dark, medium-high frequency is bright etc. requirement, but the rear cavity space of earphone is little, and the optimum performance of loudspeaker can not be allowed to bring into play, causes the distortion of loudspeaker.Mould material of shaking in now current loudspeaker generally uses the materials such as PET, PEI, PPS, PAR, all can not meet above-mentioned requirements when the vibrating diaphragm of this several material is used on loudspeaker.
Utility model content
Therefore, the purpose of this utility model is to provide a kind of composite diaphragm that can solve the loudspeaker of the problem of the sound performance shortcoming because of the material problem of vibrating diaphragm.
To achieve these goals, the composite diaphragm of a kind of loudspeaker of the present utility model, comprise support ring, be arranged at described support ring radially inner side and periphery wall and described support ring the polyurethane ring, the polyethylene terephthalate sheet of radially inner side that is arranged at described polyurethane ring that fix, periphery wall and the described polyurethane ring of described polyethylene terephthalate sheet fix; The center that described polyethylene terephthalate sheet is spherically shape projection is arranged; Described polyurethane ring is disposed with arc convex portion and arc-shaped recess portion in a radially inward direction.
Described support ring is copper ring.
Radially inner side one end of described polyurethane ring is covered in radial outside one end of described polyethylene terephthalate sheet.
The thickness of described polyurethane ring is greater than the thickness of described polyethylene terephthalate sheet.
Adopt technique scheme, the composite diaphragm of loudspeaker of the present utility model, first make polyethylene terephthalate form the sheet of ball top type by pneumatics in the fabrication process, use the benefit of the one-tenth of pneumatics to be not easily to make ball bursting split, precision is high, and burr are few; Then be placed on mould at the copper ring at the shaping rear same edge of polyphenyl dioctyl phthalate ethylene glycol sheet of ball top type, be cast in mould by high-temperature digestion polyurethane thus form the polyurethane ring fixed with polyphenyl dioctyl phthalate ethylene glycol sheet.
In the composite diaphragm of loudspeaker of the present utility model, polyurethane ring can expire the requirement of low-frequency vibration, and polyethylene terephthalate sheet can meet the large requirement of the intensity of high frequency to ball top.The vibrating diaphragm of this material can take into account in low high frequency, improve the tonequality of loudspeaker, its third dimension is strong, has acoustic image dispersion, each part volume distribution is proper, definition is high, background noise is low feature; Thickness sense is strong, and bass is effectively sedate, and heavy thick and not muddy, high pitch does not lack, and volume is moderate, has certain brightness, and reverberation is suitable, and distortion is little; Spatial impression and stereovision are strong, and sound is high, medium and low to be rung balanced again and again, and high pitch partials are abundant, and limpid very thin and not ear-piercing, middle pitch is bright outstanding, plentiful enriching and not stiff, and bass is abundant and without nasal sound.
Accompanying drawing explanation
Fig. 1 is the utility model vertical view.
Fig. 2 be in Fig. 1 A-A to cutaway view.
Embodiment
Below by way of the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, 2, the present embodiment provides a kind of composite diaphragm of loudspeaker, comprise support ring 1, be arranged at described support ring 1 radially inner side and periphery wall and described support ring 1 fix polyurethane ring 2, be arranged at described polyurethane ring 2 radially inner side and the polyethylene terephthalate sheet 3 that fixes of periphery wall and described polyurethane ring 2; The center spherically shape projection setting of described polyethylene terephthalate sheet 3; Described polyurethane ring 2 is disposed with arc convex portion 21 and arc-shaped recess portion 22 in a radially inward direction.
Described support ring 1 is copper ring.
Radially inner side one end of described polyurethane ring 2 is covered in radial outside one end of described polyethylene terephthalate sheet 3.
The thickness of described polyurethane ring 2 is greater than the thickness of described polyethylene terephthalate sheet 3.
Adopt technique scheme, the composite diaphragm of loudspeaker of the present utility model, first make polyethylene terephthalate form the sheet of ball top type by pneumatics in the fabrication process, use the benefit of the one-tenth of pneumatics to be not easily to make ball bursting split, precision is high, and burr are few; Then be placed on mould at the copper ring at the shaping rear same edge of polyphenyl dioctyl phthalate ethylene glycol sheet of ball top type, be cast in mould by high-temperature digestion polyurethane thus form the polyurethane ring fixed with polyphenyl dioctyl phthalate ethylene glycol sheet.
In the composite diaphragm of loudspeaker of the present utility model, polyurethane ring can expire the requirement of low-frequency vibration, and polyethylene terephthalate sheet can meet the large requirement of the intensity of high frequency to ball top.The vibrating diaphragm of this material can take into account in low high frequency, improve the tonequality of loudspeaker, its third dimension is strong, has acoustic image dispersion, each part volume distribution is proper, definition is high, background noise is low feature; Thickness sense is strong, and bass is effectively sedate, and heavy thick and not muddy, high pitch does not lack, and volume is moderate, has certain brightness, and reverberation is suitable, and distortion is little; Spatial impression and stereovision are strong, and sound is high, medium and low to be rung balanced again and again, and high pitch partials are abundant, and limpid very thin and not ear-piercing, middle pitch is bright outstanding, plentiful enriching and not stiff, and bass is abundant and without nasal sound.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And thus the apparent change of extending out or variation be still among the protection range that the utility model creates.
Claims (4)
1. the composite diaphragm of loudspeaker, it is characterized in that: comprise support ring, be arranged at described support ring radially inner side and periphery wall and described support ring the polyurethane ring, the polyethylene terephthalate sheet of radially inner side that is arranged at described polyurethane ring that fix, periphery wall and the described polyurethane ring of described polyethylene terephthalate sheet fix; The center that described polyethylene terephthalate sheet is spherically shape projection is arranged; Described polyurethane ring is disposed with arc convex portion and arc-shaped recess portion in a radially inward direction.
2. the composite diaphragm of loudspeaker according to claim 1, is characterized in that: described support ring is copper ring.
3. the composite diaphragm of loudspeaker according to claim 2, is characterized in that: radially inner side one end of described polyurethane ring is covered in radial outside one end of described polyethylene terephthalate sheet.
4. the composite diaphragm of loudspeaker according to claim 3, is characterized in that: the thickness of described polyurethane ring is greater than the thickness of described polyethylene terephthalate sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520683359.3U CN204906716U (en) | 2015-09-06 | 2015-09-06 | Compound vibrating diaphragm of loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520683359.3U CN204906716U (en) | 2015-09-06 | 2015-09-06 | Compound vibrating diaphragm of loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204906716U true CN204906716U (en) | 2015-12-23 |
Family
ID=54928853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520683359.3U Expired - Fee Related CN204906716U (en) | 2015-09-06 | 2015-09-06 | Compound vibrating diaphragm of loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204906716U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108600931A (en) * | 2018-01-10 | 2018-09-28 | 菏泽韩升元电子股份有限公司 | A kind of speaker diaphragm and its manufacturing method and earphone using the diaphragm |
-
2015
- 2015-09-06 CN CN201520683359.3U patent/CN204906716U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108600931A (en) * | 2018-01-10 | 2018-09-28 | 菏泽韩升元电子股份有限公司 | A kind of speaker diaphragm and its manufacturing method and earphone using the diaphragm |
| CN108600931B (en) * | 2018-01-10 | 2020-09-08 | 菏泽韩升元电子股份有限公司 | Loudspeaker diaphragm, manufacturing method thereof and earphone using same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20160906 |