CN204231662U - A kind of ribbon high pitch loudspeaker - Google Patents
A kind of ribbon high pitch loudspeaker Download PDFInfo
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- CN204231662U CN204231662U CN201420733869.2U CN201420733869U CN204231662U CN 204231662 U CN204231662 U CN 204231662U CN 201420733869 U CN201420733869 U CN 201420733869U CN 204231662 U CN204231662 U CN 204231662U
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- magnet
- high pitch
- pitch loudspeaker
- vibrating diaphragm
- diaphragm
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Abstract
The utility model discloses a kind of ribbon high pitch loudspeaker, the magnetic circuit system comprising housing and be contained in housing and vibrating diaphragm, described vibrating diaphragm is arranged in the magnetic field of described magnetic circuit system generation, described vibrating diaphragm comprises composite diaphragm and is attached to the planar metal circuit layer on described composite diaphragm, described composite diaphragm comprises at least two-layer basic unit, is folded with damping layer between described basic unit.Ribbon high pitch loudspeaker of the present utility model, improves the internal damping characteristics of vibrating diaphragm, effectively can suppress the generation of diaphagras, make acoustic fidelity high.
Description
Technical field
The utility model relates to electro-acoustic product technical field, specifically, relates to a kind of ribbon high pitch loudspeaker.
Background technology
Ribbon high pitch loudspeaker is the one of high pitch loudspeaker, and ribbon high pitch loudspeaker can be reset high frequency preferably, and tone color and tonequality show unique characteristics, and at present, ribbon high pitch loudspeaker is widely used.Existing ribbon high pitch loudspeaker comprises shell and the magnetic circuit system that is contained in shell and belt diaphragm.Wherein, in some ribbon high pitch loudspeakers, belt diaphragm is attached in basic unit and forms vibrating diaphragm, and in some ribbon high pitch loudspeakers, vibrating diaphragm is only made up of belt diaphragm, and does not comprise basic unit.The operation principle of ribbon high pitch loudspeaker is: magnetic circuit system produces uniform magnetic field, belt diaphragm is positioned in the uniform magnetic field of magnetic circuit system generation, apply tone currents to belt diaphragm, the magnetic field that tone currents produces and uniform magnetic field is repelled mutually, attract, make belt diaphragm vibration sounding.Belt diaphragm generally adopts aluminium foil, if the rigidity of the belt diaphragm in ribbon high pitch loudspeaker and basic unit is inadequate, in the course of work of ribbon high pitch loudspeaker, aluminium strip and basic unit easily can produce diaphagras, cause the distortion of sound.The ribbon high pitch loudspeaker of these structures existing, mainly through metal aluminium strip vibration sounding, subjective sense of hearing has obvious metallic sound, and distortion is higher, have impact on the acoustical behavior of ribbon speaker.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of generation that effectively can suppress diaphagras, make the ribbon high pitch loudspeaker that acoustic fidelity is high.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of ribbon high pitch loudspeaker, the magnetic circuit system comprising housing and be contained in housing and vibrating diaphragm, described vibrating diaphragm is arranged in the magnetic field of described magnetic circuit system generation, described vibrating diaphragm comprises composite diaphragm and is attached to the planar metal circuit layer on described composite diaphragm, described composite diaphragm comprises at least two-layer basic unit, is folded with damping layer between described basic unit.
Preferably, described damping layer is glue-line, and the basic unit being positioned at described glue-line both sides is bonding by described glue-line.
Preferably, the side of described vibrating diaphragm is provided with the first magnet, and the opposite side that described vibrating diaphragm is relative is provided with the second magnet, and described first magnet and described second magnet are just to setting.
Preferably, described first magnet is consistent with the shape of described second magnet, all in long plate shape.
Preferably, the side spacing side by side of described vibrating diaphragm is provided with two blocks of described first magnet, and the opposite side spacing side by side that described vibrating diaphragm is relative is provided with two blocks of described second magnet, and two blocks of described first magnet and two blocks of described second magnet are respectively just to setting.
Preferably, described planar metal circuit layer is aluminium strip layer.
Preferably, described housing comprises the first housing and the second housing.
Preferably, the arranged outside of described second housing has Air Filter.
After have employed technique scheme, the beneficial effects of the utility model are:
In ribbon high pitch loudspeaker of the present utility model, vibrating diaphragm comprises composite diaphragm and is attached to the planar metal circuit layer on described composite diaphragm, and described composite diaphragm comprises at least two-layer basic unit, is provided with damping layer between described basic unit.The ribbon high pitch loudspeaker vibrating diaphragm of this structure, adopt composite diaphragm as substrate, the setting of the damping layer in composite diaphragm between basic unit, improve the internal damping characteristics of vibrating diaphragm, effectively can suppress the generation of vibrating diaphragm diaphagras, significantly reduce the distortion of ribbon high pitch loudspeaker in effective band, make acoustic fidelity high, and composite diaphragm swept area is large, resonance frequency is low, effectively improve the acoustical behavior of ribbon high pitch loudspeaker.
Side due to described vibrating diaphragm is provided with the first magnet, and the opposite side that described vibrating diaphragm is relative is provided with the second magnet, and described first magnet and described second magnet are just to setting, and vibrating diaphragm is arranged in the uniform magnetic field between the first magnet and the second magnet.Relative to the magnetic circuit system of other structure, just to the uniform magnetic field forming higher BL between the first magnet arranged and the second magnet, and there is better magnetic field symmetry.Therefore effectively improve power and the acoustic fidelity of ribbon high pitch loudspeaker, further increase the acoustical behavior of ribbon high pitch loudspeaker.
Accompanying drawing explanation
Fig. 1 is the structural representation of ribbon high pitch loudspeaker of the present utility model;
Fig. 2 is the schematic top plan view of Fig. 1;
Fig. 3 be Fig. 1 cross-sectional schematic;
Fig. 4 is the structural representation of the vibrating diaphragm in Fig. 3;
Fig. 5 is the structural representation of the composite diaphragm in Fig. 4;
Fig. 6 is the decomposition texture schematic diagram of ribbon high pitch loudspeaker of the present utility model;
In figure: 1, the first housing; 2, the second housing; 3, the first magnet; 4, the second magnet; 5, vibrating diaphragm; 51, planar metal circuit layer; 52, composite diaphragm; 521, basic unit; 522, damping layer; 6, Air Filter.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Fig. 1 is the structural representation of ribbon high pitch loudspeaker of the present utility model; Fig. 2 is the schematic top plan view of Fig. 1; Fig. 3 be Fig. 1 cross-sectional schematic; Fig. 4 is the structural representation of the vibrating diaphragm in Fig. 3; Fig. 5 is the structural representation of the composite diaphragm in Fig. 4; Fig. 6 is the decomposition texture schematic diagram of ribbon high pitch loudspeaker of the present utility model.
With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, a kind of ribbon high pitch loudspeaker, the magnetic circuit system comprising housing and be contained in housing and vibrating diaphragm 5, vibrating diaphragm 5 is arranged in the magnetic field of magnetic circuit system generation, vibrating diaphragm 5 comprises composite diaphragm 52 and is attached to the planar metal circuit layer 51 on composite diaphragm 52, composite diaphragm 52 comprises at least two-layer basic unit 521, is folded with damping layer 522 between basic unit 521.
Wherein, housing comprises the first housing 1 and the second housing 2.The arranged outside of the second housing 2 has Air Filter 6.First housing 1 and the second housing 2 surround the inner chamber of ribbon high pitch loudspeaker, and magnetic circuit system and vibrating diaphragm 5 are all located in inner chamber.
In the present embodiment, damping layer 522 is glue-line, and the basic unit 521 being positioned at glue-line both sides is bonding by glue-line.Certainly, damping layer 522 also can adopt the damping layer that other material with damping action is made.
The side of vibrating diaphragm 5 is provided with the first magnet 3, and the opposite side that vibrating diaphragm 5 is relative is provided with the second magnet 4, first magnet 3 and the second magnet 4 just to setting.Wherein, the quantity of the first magnet 3 is two pieces, and two piece of first magnet 3 spacing side by side is arranged, and the quantity of the second magnet 4 is also two pieces, and two piece of second magnet 4 spacing side by side is arranged.And two piece of first magnet 3 and two piece of second magnet 4 are respectively just to setting.
In the present embodiment, the first magnet 3 is consistent with the shape of the second magnet 4, all in long plate shape.
In the present embodiment, planar metal circuit layer 51 is aluminium strip layer.
In ribbon high pitch loudspeaker of the present utility model, adopt composite diaphragm 52 as substrate, the setting of the damping layer 522 in composite diaphragm 52 between basic unit 521, improve the internal damping characteristics of vibrating diaphragm 5, effectively can suppress the generation of vibrating diaphragm 5 diaphagras, significantly reduce the distortion of ribbon high pitch loudspeaker in effective band, make acoustic fidelity high, and the swept area of composite diaphragm 52 is large, resonance frequency is low, effectively improve the acoustical behavior of ribbon high pitch loudspeaker.
In the present embodiment, the side of vibrating diaphragm 5 is provided with the first magnet 3, and the opposite side that vibrating diaphragm 5 is relative is provided with the second magnet 4, first magnet 3 and the second magnet 4 just to setting, and vibrating diaphragm 5 is arranged in the uniform magnetic field between the first magnet 3 and the second magnet 4.Relative to the magnetic circuit system of other structure, just to the uniform magnetic field forming higher BL between the first magnet 3 arranged and the second magnet 4, and there is better magnetic field symmetry.Therefore effectively improve power and the acoustic fidelity of ribbon high pitch loudspeaker, further increase the acoustical behavior of ribbon high pitch loudspeaker.Wherein, the meaning of BL parameter is: the product of loud speaker intermediate gap magnetic flux density and effective voice coil loudspeaker voice coil line length.
The first housing 1 related in the utility model and the name of the second housing 2 are only be difference technical characteristic, do not represent position relationship therebetween and erection sequence etc.
This specification has only carried out detailed elaboration for the ribbon high pitch loudspeaker shown by accompanying drawing to inventive concept of the present utility model, this does not represent the ribbon high pitch loudspeaker that protection range of the present utility model is just only limitted to this kind of structure, vibrating diaphragm in reality in ribbon high pitch loudspeaker is taked on composite diaphragm, adhere to planar metal circuit layer, composite diaphragm takes the mode of sandwiched damping layer between basic unit can be applied on the ribbon high pitch loudspeaker of any one structure, therefore, the ribbon high pitch loudspeaker of other structure, as long as the vibrating diaphragm of ribbon high pitch loudspeaker takes the structure of adhering to planar metal circuit layer on the composite diaphragm of said structure, all fall in protection range of the present utility model.
The above is the citing of the utility model preferred forms, and the part wherein do not addressed in detail is the common practise of those of ordinary skill in the art.Protection range of the present utility model is as the criterion with the content of claim, and any equivalent transformation carried out based on technology enlightenment of the present utility model, also within protection range of the present utility model.
Claims (8)
1. a ribbon high pitch loudspeaker, the magnetic circuit system comprising housing and be contained in housing and vibrating diaphragm, described vibrating diaphragm is arranged in the magnetic field of described magnetic circuit system generation, it is characterized in that: described vibrating diaphragm comprises composite diaphragm and is attached to the planar metal circuit layer on described composite diaphragm, described composite diaphragm comprises at least two-layer basic unit, is folded with damping layer between described basic unit.
2. ribbon high pitch loudspeaker according to claim 1, is characterized in that: described damping layer is glue-line, and the basic unit being positioned at described glue-line both sides is bonding by described glue-line.
3. ribbon high pitch loudspeaker according to claim 1, is characterized in that: the side of described vibrating diaphragm is provided with the first magnet, and the opposite side that described vibrating diaphragm is relative is provided with the second magnet, and described first magnet and described second magnet are just to setting.
4. ribbon high pitch loudspeaker according to claim 3, is characterized in that: described first magnet is consistent with the shape of described second magnet, all in long plate shape.
5. ribbon high pitch loudspeaker according to claim 4, it is characterized in that: the side spacing side by side of described vibrating diaphragm is provided with two blocks of described first magnet, the opposite side spacing side by side that described vibrating diaphragm is relative is provided with two blocks of described second magnet, and two blocks of described first magnet and two blocks of described second magnet are respectively just to setting.
6. the ribbon high pitch loudspeaker according to any one of claim 1 to 5, is characterized in that: described planar metal circuit layer is aluminium strip layer.
7. ribbon high pitch loudspeaker according to claim 6, is characterized in that: described housing comprises the first housing and the second housing.
8. ribbon high pitch loudspeaker according to claim 7, is characterized in that: the arranged outside of described second housing has Air Filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420733869.2U CN204231662U (en) | 2014-11-27 | 2014-11-27 | A kind of ribbon high pitch loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420733869.2U CN204231662U (en) | 2014-11-27 | 2014-11-27 | A kind of ribbon high pitch loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204231662U true CN204231662U (en) | 2015-03-25 |
Family
ID=52929704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420733869.2U Active CN204231662U (en) | 2014-11-27 | 2014-11-27 | A kind of ribbon high pitch loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204231662U (en) |
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2014
- 2014-11-27 CN CN201420733869.2U patent/CN204231662U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |