CN201629838U - Double folding ring electromagnetic loudspeaker - Google Patents
Double folding ring electromagnetic loudspeaker Download PDFInfo
- Publication number
- CN201629838U CN201629838U CN2009202617833U CN200920261783U CN201629838U CN 201629838 U CN201629838 U CN 201629838U CN 2009202617833 U CN2009202617833 U CN 2009202617833U CN 200920261783 U CN200920261783 U CN 200920261783U CN 201629838 U CN201629838 U CN 201629838U
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- magnet
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- folding ring
- double folding
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Abstract
The utility model provides a double folding ring electromagnetic loudspeaker. The double folding ring electromagnetic loudspeaker comprises a first spherical roof, a first folding ring, a second spherical roof and a second folding ring; the second spherical roof encircles the first spherical roof; an annular clearance is formed between the second spherical roof and the first spherical roof; the first folding ring is arranged in the clearance and connected with the first spherical roof and the second spherical roof; and the second folding ring encircles the second spherical roof and is connected with the second spherical roof. The double folding ring electromagnetic loudspeaker has the advantages of high driving force, natural connection of sound with different frequencies and the like.
Description
Technical field
The utility model relates to a kind of magnetic speaker, relates in particular to a kind of double folding ring magnetic speaker.
Background technology
In the process of portable communication device fast developments such as mobile phone, more and more higher to the requirement that is installed in loud speaker wherein.
Seeing also Fig. 1, is a kind of side cross-sectional schematic of the magnetic speaker relevant with the utility model, and described magnetic speaker 1 comprises ball top 10, one vibrating diaphragm 11, a pole piece 13, a magnet steel 14, a voice coil loudspeaker voice coil 15 and a magnetic bowl 16.Described vibrating diaphragm 11 is hollow annular structure, and described ball top 10 covers with described vibrating diaphragm 11, and is positioned at the hollow region of described vibrating diaphragm 11, and the two cooperation surrounds a lid.Described magnet steel 14 is housed in the described magnetic bowl 16, and described pole piece 13 is arranged on the surface of described magnet steel 14, and described voice coil loudspeaker voice coil 15 is around described magnet steel 14.
The problem that described magnetic speaker 1 exists is: described magnetic speaker 1 adopts single-tone circle 15 and single magnet steel 14 to drive, the actuating force of its formation is less, and the mode of this single-tone circle driving, during corresponding to the sound of low-frequency range, the difficult control of the body vibration consistency of described vibrating diaphragm 11, need the starting of oscillation of strict coupling ability, thereby increased the manufacture difficulty of product, because described vibrating diaphragm 11 is body vibrations, so for basic, normal, high frequency sound, described vibrating diaphragm 11 is difficult to form the continuous effect of nature.
The utility model content
Magnetic field utilance at existing magnetic speaker is lower, different frequency sound connects factitious problem, and the utility model provides the double folding ring magnetic speaker that a kind of actuating force is higher, different frequency sound connects nature.
A kind of double folding ring magnetic speaker, it comprises first ball top, first ring, second ball top and second ring, the described second ball apical ring pushes up around described first ball, has an annular gap between described second ball top and described first ball top, described first ring is arranged at described gap, and connects described first ball top and described second ball top; Described second ring pushes up around described second ball, and connect described second ball top, described double folding ring magnetic speaker also comprises first magnet, first voice coil loudspeaker voice coil, second magnet and second voice coil loudspeaker voice coil, described first voice coil loudspeaker voice coil is around described first magnet, described second magnet ring is around described first magnet and described first voice coil loudspeaker voice coil, and described second voice coil loudspeaker voice coil is around described second magnet.
As the further improvement of above-mentioned double folding ring magnetic speaker, described double folding ring magnetic speaker also comprises the 3rd magnet, and described the 3rd magnet ring is around described second magnet and described second voice coil loudspeaker voice coil.
Further improvement as above-mentioned double folding ring magnetic speaker, described double folding ring magnetic speaker also comprises first pole piece and second pole piece, described first pole piece is arranged on the surface of described first magnet, and by described first voice coil loudspeaker voice coil around, described second pole piece is arranged on the surface of described second magnet, and it is around described first voice coil loudspeaker voice coil, and described second voice coil loudspeaker voice coil is around described second pole piece.
As the further improvement of above-mentioned double folding ring magnetic speaker, described double folding ring magnetic speaker also comprises the 3rd pole piece, and described the 3rd pole piece is arranged on the surface of described the 3rd magnet, and it is around described second voice coil loudspeaker voice coil.
Further improvement as above-mentioned double folding ring magnetic speaker, described double folding ring magnetic speaker also comprises a magnetic bowl, described magnetic bowl comprises first annulus, second annulus and the 3rd annulus, comprise first annular groove between described first annulus and described second annulus, comprise second annular groove between described second annulus and described the 3rd annulus.
As the further improvement of above-mentioned double folding ring magnetic speaker, described first magnet is arranged on the described first annulus surface, and described second magnet is arranged on the described second annulus surface, and described the 3rd magnet is arranged on described the 3rd annulus surface.
As the further improvement of above-mentioned double folding ring magnetic speaker, the magnetizing direction of described first magnet is identical with the magnetizing direction of described the 3rd magnet, and opposite with the magnetizing direction of described second magnet.
Three magnet structures that described first magnet of respective outer side edges, described second magnet and described the 3rd magnet that described double folding ring magnetic speaker of the present utility model adopts described first voice coil loudspeaker voice coil and described second voice coil loudspeaker voice coil to form forms can effectively increase actuating force.And, the double folding ring structure that described first ring and described second ring are formed, can realize mechanical frequency division, promptly, during the sound of corresponding low-frequency range, drive described first ball top simultaneously and described second ball top vibrates, during the sound of corresponding high band by described first voice coil loudspeaker voice coil and described second voice coil loudspeaker voice coil, described double folding ring magnetic speaker of the present utility model drives the top vibration of described first ball by described first voice coil loudspeaker voice coil, so can be realized connecting naturally of basic, normal, high frequency sound.
In sum, double folding ring magnetic speaker of the present utility model has advantages such as actuating force is higher, different frequency sound connection nature.
Description of drawings
Fig. 1 is a kind of side cross-sectional schematic of the double folding ring magnetic speaker relevant with the utility model.
Fig. 2 is the three-dimensional cross-sectional schematic of the utility model double folding ring magnetic speaker one better embodiment.
Fig. 3 is the side cross-sectional schematic of double folding ring magnetic speaker shown in Figure 2.
Embodiment
Below in conjunction with accompanying drawing double folding ring magnetic speaker structure of the present utility model is described.
See also Fig. 2 and Fig. 3, wherein, Fig. 2 is the three-dimensional cross-sectional schematic of the utility model double folding ring magnetic speaker one better embodiment, and Fig. 3 is the side cross-sectional schematic of double folding ring magnetic speaker shown in Figure 2.Described double folding ring magnetic speaker 2 comprises first pole piece 21, second pole piece 22, the 3rd pole piece 23, first magnet 31, second magnet 32, the 3rd magnet 33, first voice coil loudspeaker voice coil 41, second voice coil loudspeaker voice coil 42, magnetic bowl 50, first ball top, 61, first ring 71, second ball top 62, second ring 72 and basin frame 80.
Described first magnet 31, described second magnet 32 and described the 3rd magnet 33 are permanent magnets, it is got by the higher metallic of multiple hardness usually, as iron, aluminium, nickel and cobalt etc., and perhaps copper, niobium and tantalum etc., according to the difference of composition, its magnetic property is also to should be differentiated.
Described first voice coil loudspeaker voice coil 41 and described second voice coil loudspeaker voice coil 42 are that it is normally formed by the copper conductor coiling by the multiturn voice coil loudspeaker voice coil structure of plain conductor coiling.
Described magnetic bowl 50 is roughly the cake structure, comprises first groove 51 and second groove 52.Described first groove 51 and described second groove 52 all ringwise, its upper surface by described magnetic bowl 50 extends vertically downward, but does not penetrate described magnetic bowl 50.Described second groove 52 is around described first groove 51, thereby the upper surface of described magnetic bowl 50 can be divided into first annulus (not indicating), second annulus (not indicating) and the 3rd annulus (not indicating), described first groove 51 is around described first annulus, described second groove 52 is around described second annulus, and described the 3rd annulus is around described second groove 52.
Described first magnet 31 is arranged at first annulus of described magnetic bowl 50, and described first pole piece 21 is stacked at the upper surface of described first magnet 31, that is, described first magnet 31 is between described first pole piece 21 and described first annulus.Described first voice coil loudspeaker voice coil 41 is around described first pole piece 21 and described first magnet 31, thereby forms first magnetic circuit (indicating) of described double folding ring magnetic speaker 2, and wherein said first groove 51 is the magnetic gap of described first magnetic circuit.
Described second magnet 32 is arranged at second annulus of described magnetic bowl 50, and described second pole piece 22 is stacked at the upper surface of described second magnet 32, that is, described second magnet 32 is between described second pole piece 22 and described second annulus.Described second pole piece 22 is around described first pole piece 21 and described first voice coil loudspeaker voice coil 41.Described second voice coil loudspeaker voice coil 42 is around described second pole piece 22 and described second magnet 32, thereby forms second magnetic circuit (indicating) of described double folding ring magnetic speaker 2, and wherein said second groove 52 is the magnetic gap of described second magnetic circuit.
Described the 3rd magnet 33 is arranged at the 3rd annulus of described magnetic bowl 50, and described the 3rd pole piece 23 is stacked at the upper surface of described the 3rd magnet 33, that is, described the 3rd magnet 33 is between described the 3rd pole piece 23 and described the 3rd annulus.Described the 3rd pole piece 23 is around described second pole piece 22 and described second voice coil loudspeaker voice coil 42.That is to say, described first pole piece 21, described second pole piece 22 and described the 3rd pole piece 23 are pressed described order from inside to outside around setting, described first magnet 31, described second magnet 32 and described the 3rd magnet 33 are pressed described order from inside to outside around setting, described first voice coil loudspeaker voice coil 41 is between described first magnet 31 and described second magnet 32, and described second voice coil loudspeaker voice coil 42 is between described second magnet 32 and described the 3rd magnet 33.
Further, the magnetizing direction of described first magnet 31 is identical with the magnetizing direction of described the 3rd magnet 33, and opposite with the magnetizing direction of described second magnet 32.For example, described first magnet 31 and described the 3rd magnet 33 are upwards and magnetize, and described second magnet 32 then magnetizes downwards, and again for example, described first magnet 31 and described the 3rd magnet 33 are downwards and magnetize, and described second magnet 32 then upwards magnetizes.Above magnetizing direction is convenient the illustrating of present embodiment of describing, and not representing only has above-mentioned magnetizing direction, according to actual needs, also can magnetize left or magnetizing direction to the right, or the magnetizing of other direction.
Described first ball top 61 is the endosphere top of described double folding ring magnetic speaker 2, described second ball top 62 is the ectosphere top of described double folding ring magnetic speaker 2, described second ball pushes up 62 around described first ball top 61, and has an annular space (indicating) between described first ball top 61 and described second ball top 62.Described first ring 71 is arranged at described space, and connects the outward flange on described first ball top 61 and the inward flange on described second ball top 62, and promptly described first ring 71 is striden and is located at described annular space.Described second ring 72 pushes up 62 around described second ball, and connects the outward flange on described second ball top 62 and described basin frame 80 edges of described double folding ring magnetic speaker 2.
The body vibration consistency problem more rambunctious of vibrating diaphragm during the less and corresponding low-frequency range sound of the actuating force that exists at general single-tone circle magnetic speaker, three magnet structures that described first magnet 31 of respective outer side edges, described second magnet 32 and described the 3rd magnet 33 that described double folding ring magnetic speaker 2 of the present utility model adopts described first voice coil loudspeaker voice coil 41 and described second voice coil loudspeaker voice coil 42 to form forms can effectively increase actuating force.And, the double folding ring structure that described first ring 71 and described second ring 72 are formed, can realize mechanical frequency division, promptly, during the sound of corresponding low-frequency range, drive described first ball top 61 and 62 vibrations of described second ball top simultaneously, during the sound of corresponding high band by described first voice coil loudspeaker voice coil 41 and described second voice coil loudspeaker voice coil 42, described double folding ring magnetic speaker 2 of the present utility model drives 61 vibrations of described first ball top by described first voice coil loudspeaker voice coil 41, so can be realized connecting naturally of basic, normal, high frequency sound.
In sum, double folding ring magnetic speaker 2 of the present utility model has advantages such as actuating force is higher, different frequency sound connection nature.
Only be preferred case study on implementation of the present utility model below, be not limited to the utility model, for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (9)
1. double folding ring magnetic speaker, it is characterized in that: described double folding ring magnetic speaker comprises first ball top, first ring, second ball top and second ring, the described second ball apical ring pushes up around described first ball, has an annular gap between described second ball top and described first ball top, described first ring is arranged at described gap, and connect described first ball top and described second ball pushes up, described second ring pushes up around described second ball, and connect described second ball top, this double folding ring magnetic speaker further comprises first magnet, first voice coil loudspeaker voice coil, second magnet and second voice coil loudspeaker voice coil, described first voice coil loudspeaker voice coil is around described first magnet, described second magnet ring is around described first magnet and described first voice coil loudspeaker voice coil, and described second voice coil loudspeaker voice coil is around described second magnet.
2. double folding ring magnetic speaker according to claim 1 is characterized in that: further comprise the 3rd magnet, described the 3rd magnet ring is around described second magnet and described second voice coil loudspeaker voice coil.
3. double folding ring magnetic speaker according to claim 2, it is characterized in that: further comprise first pole piece and second pole piece, described first pole piece is arranged on the surface of described first magnet, and by described first voice coil loudspeaker voice coil around, described second pole piece is arranged on the surface of described second magnet, and it is around described first voice coil loudspeaker voice coil.
4. double folding ring magnetic speaker according to claim 3 is characterized in that: described second voice coil loudspeaker voice coil is around described second pole piece.
5. double folding ring magnetic speaker according to claim 3 is characterized in that: further comprise the 3rd pole piece, described the 3rd pole piece is arranged on the surface of described the 3rd magnet, and it is around described second voice coil loudspeaker voice coil.
6. double folding ring magnetic speaker according to claim 3, it is characterized in that: further comprise a magnetic bowl, described magnetic bowl comprises first annulus, second annulus and the 3rd annulus, comprise first annular groove between described first annulus and described second annulus, comprise second annular groove between described second annulus and described the 3rd annulus.
7. double folding ring magnetic speaker according to claim 6, it is characterized in that: described first magnet is arranged on the described first annulus surface, described second magnet is arranged on the described second annulus surface, and described the 3rd magnet is arranged on described the 3rd annulus surface.
8. double folding ring magnetic speaker according to claim 2 is characterized in that: the magnetizing direction of described first magnet is identical with the magnetizing direction of described the 3rd magnet.
9. double folding ring magnetic speaker according to claim 8 is characterized in that: the magnetizing direction of the magnetizing direction of described first magnet and described second magnet is opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202617833U CN201629838U (en) | 2009-12-21 | 2009-12-21 | Double folding ring electromagnetic loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202617833U CN201629838U (en) | 2009-12-21 | 2009-12-21 | Double folding ring electromagnetic loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201629838U true CN201629838U (en) | 2010-11-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202617833U Expired - Lifetime CN201629838U (en) | 2009-12-21 | 2009-12-21 | Double folding ring electromagnetic loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201629838U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103945311A (en) * | 2014-04-24 | 2014-07-23 | 中山市天键电声有限公司 | Novel double-moving-coil type loudspeaker |
| CN105592391A (en) * | 2016-03-23 | 2016-05-18 | 浙江全方音响科技有限公司 | Double-folding ring radiator |
| CN107087243A (en) * | 2017-06-20 | 2017-08-22 | 努比亚技术有限公司 | A kind of double folding ring vibrating diaphragm, loudspeaker and mobile terminal |
| CN107360509A (en) * | 2017-07-27 | 2017-11-17 | 苏州逸巛声学科技有限公司 | A kind of receiver and its assembly technology |
| CN109889964A (en) * | 2018-12-30 | 2019-06-14 | 瑞声科技(新加坡)有限公司 | Microphone device |
| CN110557702A (en) * | 2019-09-11 | 2019-12-10 | 海宁市西米尼科技有限公司 | Loudspeaker with fin reinforced voice coil structure |
| WO2020228079A1 (en) * | 2019-05-10 | 2020-11-19 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
| WO2022007001A1 (en) * | 2020-07-06 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Diaphragm forming process |
| WO2024207471A1 (en) * | 2023-04-07 | 2024-10-10 | 瑞声科技（南京）有限公司 | Loudspeaker with alarm function |
-
2009
- 2009-12-21 CN CN2009202617833U patent/CN201629838U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103945311A (en) * | 2014-04-24 | 2014-07-23 | 中山市天键电声有限公司 | Novel double-moving-coil type loudspeaker |
| CN105592391A (en) * | 2016-03-23 | 2016-05-18 | 浙江全方音响科技有限公司 | Double-folding ring radiator |
| CN107087243A (en) * | 2017-06-20 | 2017-08-22 | 努比亚技术有限公司 | A kind of double folding ring vibrating diaphragm, loudspeaker and mobile terminal |
| CN107360509A (en) * | 2017-07-27 | 2017-11-17 | 苏州逸巛声学科技有限公司 | A kind of receiver and its assembly technology |
| CN109889964A (en) * | 2018-12-30 | 2019-06-14 | 瑞声科技(新加坡)有限公司 | Microphone device |
| CN109889964B (en) * | 2018-12-30 | 2021-02-26 | 瑞声科技(新加坡)有限公司 | Sound production device |
| WO2020228079A1 (en) * | 2019-05-10 | 2020-11-19 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
| CN110557702A (en) * | 2019-09-11 | 2019-12-10 | 海宁市西米尼科技有限公司 | Loudspeaker with fin reinforced voice coil structure |
| CN110557702B (en) * | 2019-09-11 | 2020-10-30 | 海宁市西米尼科技有限公司 | Loudspeaker with fin reinforced voice coil structure |
| WO2022007001A1 (en) * | 2020-07-06 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Diaphragm forming process |
| WO2024207471A1 (en) * | 2023-04-07 | 2024-10-10 | 瑞声科技（南京）有限公司 | Loudspeaker with alarm function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101110 |
|
| CX01 | Expiry of patent term |