CN200966149Y - Vibratory membrane structure for reducing the distortion rate - Google Patents
Vibratory membrane structure for reducing the distortion rate Download PDFInfo
- Publication number
- CN200966149Y CN200966149Y CN 200620137403 CN200620137403U CN200966149Y CN 200966149 Y CN200966149 Y CN 200966149Y CN 200620137403 CN200620137403 CN 200620137403 CN 200620137403 U CN200620137403 U CN 200620137403U CN 200966149 Y CN200966149 Y CN 200966149Y
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- China
- Prior art keywords
- turning point
- voice coil
- nonplanar
- pars convoluta
- distortion rate
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Abstract
The utility model relates to a vibration membrane structure capable of degrading the distortion rate, which comprises a combining part arranged on a voice receiving and transmitting device, a ring curved part circlewise arranged at the internal side of the combining part and a convex part arranged at the center of the ring curved part. The utility model is characterized in that a nonplanar first transition part is formed at the position where the ring curved part is connected with the combining part and a nonplanar second transition part is formed at the position where the ring curved part is connected with the convex part; the second transition part takes a nonplanar shape to enhance the intensity of the structure of the vibration membrane, so the ring curved part is made to have more excellent rigidity to achieve good sensitivity and acquire better effect of frequency response.
Description
Technical field
The utility model relates to a kind of diaphragm structure of sound receive and transmit device, particularly a kind of diaphragm structure that reduces distortion rate.
Background technology
Be an existing diaphragm structure as shown in Figure 1, 2, it mainly includes a plane periphery 1, a medium and low frequency pars convoluta 2 and a high frequency pars convoluta 3.Described plane periphery 1 is in order to be incorporated on the sound receive and transmit device.Described medium and low frequency pars convoluta 2 is provided with rib 4 so that a middle pitch response region to be provided, and the arc that described medium and low frequency pars convoluta 2 presents itself mainly provides a bass response zone.
And be formed with a plane platform 5 between described medium and low frequency pars convoluta 2 and the high frequency pars convoluta 3, the sound equipment sensing effect of described platform 5 is relatively poor, the delay that causes sound equipment to transmit easily, the susceptibility deficiency, because it is relatively poor on the frequency response effect, make vibrating diaphragm that the performance of one high tone quality can't be provided, cause vibrating diaphragm to belong to general common grade, and be difficult to be promoted to the level of quality goods.
Described again platform 5 is to be bonded with a voice coil loudspeaker voice coil 7 by the line glue 6 that shakes, and the angle between described voice coil loudspeaker voice coil 7 and the vibrating diaphragm platform 5 is to equal 90 degree, thus cause adhesion strength not good easily, and the problem of less stable, so often cause the fraction defective of product to improve, useful life is also shorter.
Therefore, the utility model problem of wanting to get rid of or alleviating prior art at least and met with.
Summary of the invention
The purpose of this utility model is to provide a kind of diaphragm structure that reduces distortion rate, the technical problem that its desire solves is, be formed with a plane platform between the medium and low frequency pars convoluta of described existing structure and the high frequency pars convoluta, the sound equipment sensing effect of described platform is relatively poor, the delay that causes sound equipment to transmit easily, the susceptibility deficiency, because it is relatively poor on the frequency response effect, make vibrating diaphragm that the performance of one high tone quality can't be provided, cause vibrating diaphragm to belong to general common grade, and be difficult to be promoted to the level of quality goods.
Described again platform is by the line gluing voice coil loudspeaker voice coil that has that shakes, and the angle between described voice coil loudspeaker voice coil and the vibrating diaphragm platform is to equal 90 degree, so the bond area that line shakes between glue and the vibrating diaphragm is limited, cause adhesion strength not good easily, and the problem of less stable, so often cause the fraction defective of product to improve, useful life is also shorter, and the utmost point awaits improving.
To achieve these goals, the utility model provides a kind of diaphragm structure that reduces distortion rate, it includes one and is located at the protuberance that ring pars convoluta and that joint portion, on the sound receive and transmit device is located on the inboard, joint portion is located at ring pars convoluta center, it is characterized in that: described ring pars convoluta and junction, joint portion form nonplanar first turning point, the junction of described ring pars convoluta and protuberance then forms nonplanar second turning point, described second turning point is a nonplanar shape, for the structural strength that improves vibrating diaphragm; By this, make described ring pars convoluta have preferable rigidity,, obtain preferable frequency response effect to reach good sensitivity.
Can summarize with regard to the above and the utlity model has following advantage:
1. the diaphragm structure that reduces distortion rate of the present utility model, wherein said protuberance is to be made as a nonplanar tip-angled shape with ring formed second turning point, pars convoluta junction, also can be made as a nonplanar arc-curved shape, so can improve the structural strength of vibrating diaphragm.
2. the diaphragm structure that reduces distortion rate of the present utility model, second turning point of wherein said vibrating diaphragm is inboard all can to supply the bonding voice coil loudspeaker voice coil with the outside, and can obtain the existing better structural stability of vibrating diaphragm.
3. the diaphragm structure that reduces distortion rate of the present utility model, wherein said ring pars convoluta and junction, joint portion form one first turning point, the junction of described ring pars convoluta and protuberance then forms one second turning point, the position of described second turning point is to be higher than first turning point, so that vibrating diaphragm has more sensitive sensitivity.
Other purpose, advantage and novel characteristics of the present utility model will be more obvious from the following detailed description and related drawings.
Description of drawings
Fig. 1 is the stereo appearance figure of existing structure;
Fig. 2 is the cross-sectional view of existing structure;
Fig. 3 is a stereo appearance figure of the present utility model;
Fig. 4 is a cross-sectional view of the present utility model;
Fig. 5 is the state diagram of the utility model vibrating diaphragm in conjunction with voice coil loudspeaker voice coil;
Fig. 6 is the state diagram of the utility model vibrating diaphragm in conjunction with voice coil loudspeaker voice coil;
Fig. 7 is the cross-sectional view of second embodiment of the utility model.
Description of reference numerals: 1 plane periphery; 2 medium and low frequency pars convolutas; 3 high frequency pars convolutas; 4 ribs; 5 platforms; The 6 lines glue that shakes; 7 voice coil loudspeaker voice coils; 10 vibrating diaphragms; 11 joint portions; 12 ring pars convolutas; 121 first turning points; 122 second turning points; 123 second turning points; 13 protuberances; 14 pattern grooves; 141 paddy portions; 20 voice coil loudspeaker voice coils; The 21 lines glue that shakes.
Embodiment
The technology that relevant the utility model adopted, means and effect thereof, now lift a preferred embodiment and cooperate graphic detailed description as after, this only for the usefulness of explanation, is not subjected to the restriction of this kind structure in patent application.
With reference to Fig. 3 and Fig. 4, vibrating diaphragm 10 of the present utility model has one can be located at the protuberance 13 that ring pars convoluta 12 and that joint portion 11, on the sound receive and transmit device is located on 11 inboards, joint portion is located at ring pars convoluta 12 centers.
Described joint portion 11 is to be a plane circulus, and vibrating diaphragm 10 is incorporated on the sound receive and transmit device.
Described ring pars convoluta 12 is to be located on 11 inboards, joint portion, provides the bass response zone of vibrating diaphragm 10.The cross section of described ring pars convoluta 12 is to be a convex arc-shape, and itself and 11 junctions, joint portion form nonplanar first turning point 121, described ring pars convoluta 12 then forms nonplanar second turning point 122 with the junction of protuberance 13, the position of described second turning point 122 is to be higher than first turning point 121 (direction with Fig. 4 is as the criterion), so that vibrating diaphragm 10 has more sensitive sensitivity.Certainly the position of described second turning point 122 also can be lower than the position of first turning point 121, or the position of described second turning point 122 equals the position of first turning point 121, equally also can reach the effect of response.
Be concaved with most pattern grooves 14 on the outer surface of described ring pars convoluta 12, described pattern groove 14 has a paddy portion 141, so that described pattern groove 14 provides the middle pitch response region of vibrating diaphragm 10.Also can need not to be provided with pattern groove 14 on certain described ring pars convoluta 12, can reach the effect of response equally.The direction that described pattern groove 14 extends is that the radial direction with vibrating diaphragm 10 maintains an angle and is diagonally extending, and described pattern groove 14 also is laid on the described ring pars convoluta 12 in the mode of ring-type array, so make on the radial section of described ring pars convoluta 12 and have preferable rigidity, to reach good sensitivity, obtain preferable frequency response effect.
Described protuberance 13 is centers of being located at ring pars convoluta 12, in order to the treble response zone of vibrating diaphragm 10 to be provided.Described protuberance 13 is a nonplanar tip-angled shape with ring formed second turning point 122, pars convoluta 12 junctions, so can improve the structural strength of vibrating diaphragm 10.
With reference to Fig. 5, the state diagram when boning with voice coil loudspeaker voice coil 12 for vibrating diaphragm 10 of the present utility model.Described ring pars convoluta 12 is for bonding one voice coil loudspeaker voice coil 20 near the position of second turning point 122, described voice coil loudspeaker voice coil 20 is to be bonded in described ring pars convoluta 12 near on the inner surfaces of second turning point 122 by the line glue 21 that shakes, be that the medial surface of voice coil loudspeaker voice coil 20 and top all have the line glue 21 that shakes, so can obtain good structural stability between vibrating diaphragm 10 and the voice coil loudspeaker voice coil 20.
With reference to Fig. 6, another state diagram when boning with voice coil loudspeaker voice coil 20 for vibrating diaphragm 10 of the present utility model.Described protuberance 13 is for bonding one voice coil loudspeaker voice coil 20 near the position of second turning point 122, described voice coil loudspeaker voice coil 20 is to be bonded in described protuberance 13 near on the inner surfaces of second turning point 122 by the line glue 21 that shakes, be that the lateral surface of voice coil loudspeaker voice coil 20 and top all have the line glue 21 that shakes, so can obtain good structural stability equally between vibrating diaphragm 10 and the voice coil loudspeaker voice coil 20.
With reference to Fig. 7, be second embodiment of the utility model vibrating diaphragm 10.Present embodiment is main identical with aforementioned first embodiment, and its difference place is that described protuberance 13 and ring formed second turning point 123, pars convoluta 12 junctions are a nonplanar arc-curved shape, so also can improve the structural strength of vibrating diaphragm 10.
The above, it only is preferred embodiment of the present utility model, when can not with the scope implemented of qualification the utility model, so the change of numerical value or displacement of equivalent elements such as, or, all should still belong to the category that the utility model patent contains according to equalization variation and modification that the utility model claim is done.
Claims (6)
1. diaphragm structure that can reduce distortion rate, it includes one and is located at the protuberance that ring pars convoluta and that joint portion, on the sound receive and transmit device is located on the inboard, joint portion is located at ring pars convoluta center, it is characterized in that:
Described ring pars convoluta and junction, joint portion form nonplanar first turning point, and the junction of described ring pars convoluta and protuberance then forms nonplanar second turning point, and described second turning point is a nonplanar type shape.
2. the diaphragm structure that reduces distortion rate as claimed in claim 1 is characterized in that: described second turning point is a nonplanar tip-angled shape.
3. the diaphragm structure that reduces distortion rate as claimed in claim 1 is characterized in that: described second turning point is a nonplanar arc-curved shape.
4. as claim 1, the 2 or 3 described diaphragm structures that reduce distortion rate, it is characterized in that: described ring pars convoluta is bonded with a voice coil loudspeaker voice coil near the position of second turning point.
5. as claim 1, the 2 or 3 described diaphragm structures that reduce distortion rate, it is characterized in that: described protuberance is bonded with a voice coil loudspeaker voice coil near the position of second turning point.
6. as claim 1, the 2 or 3 described diaphragm structures that reduce distortion rate, it is characterized in that: the position of described second turning point is the position that is higher than, is lower than or equal described first turning point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620137403 CN200966149Y (en) | 2006-09-30 | 2006-09-30 | Vibratory membrane structure for reducing the distortion rate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620137403 CN200966149Y (en) | 2006-09-30 | 2006-09-30 | Vibratory membrane structure for reducing the distortion rate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200966149Y true CN200966149Y (en) | 2007-10-24 |
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ID=38870169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620137403 Expired - Fee Related CN200966149Y (en) | 2006-09-30 | 2006-09-30 | Vibratory membrane structure for reducing the distortion rate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200966149Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103220604A (en) * | 2012-08-30 | 2013-07-24 | 苏州上声电子有限公司 | Vibrating diaphragm for loudspeaker and loudspeaker |
| DK178943B1 (en) * | 2015-11-03 | 2017-06-19 | Fibona Acoustics Aps | Loudspeaker membrane and low-profile loudspeaker |
| US10917725B2 (en) | 2015-11-03 | 2021-02-09 | Fibona Acoustics Aps | Loudspeaker membrane with curved structure paths |
-
2006
- 2006-09-30 CN CN 200620137403 patent/CN200966149Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103220604A (en) * | 2012-08-30 | 2013-07-24 | 苏州上声电子有限公司 | Vibrating diaphragm for loudspeaker and loudspeaker |
| DK178943B1 (en) * | 2015-11-03 | 2017-06-19 | Fibona Acoustics Aps | Loudspeaker membrane and low-profile loudspeaker |
| US10917725B2 (en) | 2015-11-03 | 2021-02-09 | Fibona Acoustics Aps | Loudspeaker membrane with curved structure paths |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Merry Electronics (Suzhou) Co., Ltd. Assignor: Merry Electronics Co., Ltd. Contract fulfillment period: 2008.9.1 to 2013.9.30 Contract record no.: 2008990001014 Denomination of utility model: Vibratory membrane structure for reducing the distortion rate Granted publication date: 20071024 License type: Exclusive license Record date: 20081031 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.9.1 TO 2013.9.30; CHANGE OF CONTRACT Name of requester: MEITE SCIENCE (SUZHOU ) CO., LTD. Effective date: 20081031 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071024 Termination date: 20140930 |
|
| EXPY | Termination of patent right or utility model |