CN215420731U - Carbon fiber ball top, vibrating diaphragm assembly, loudspeaker and electronic equipment - Google Patents
Carbon fiber ball top, vibrating diaphragm assembly, loudspeaker and electronic equipment Download PDFInfo
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- CN215420731U CN215420731U CN202121040120.6U CN202121040120U CN215420731U CN 215420731 U CN215420731 U CN 215420731U CN 202121040120 U CN202121040120 U CN 202121040120U CN 215420731 U CN215420731 U CN 215420731U
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Abstract
The utility model discloses a carbon fiber dome, a vibrating diaphragm assembly, a loudspeaker and electronic equipment. The carbon fiber ball top utilizes bakelite to replace a PMI foaming layer as a base layer, so that the purchase cost of raw materials for manufacturing the carbon fiber ball top can be effectively reduced, the production cost of the carbon fiber ball top is reduced, and the manufacturing cost of a vibrating diaphragm component, a loudspeaker and electronic equipment is further reduced. The first layer and the second layer are made of the alloy, so that the weight of the carbon fiber ball top can be effectively reduced, and the acoustic performance of a loudspeaker carrying the carbon fiber ball top is improved. In addition, the carbon fiber layer arranged on the outermost layer can improve the external force/scratch resistance of the dome, so that the carbon fiber dome is not easy to scratch or damage, and the yield of the appearance of the dome is improved.
Description
Technical Field
The utility model relates to the technical field of electroacoustic transducers, in particular to a carbon fiber dome, a vibrating diaphragm assembly, a loudspeaker and electronic equipment.
Background
The speaker is a common conversion device for converting electric energy into sound energy, and is widely applied to electronic equipment such as mobile phones and tablet computers.
The loudspeaker includes the basin frame and locates vibration subassembly and the magnetic circuit subassembly on the basin frame respectively, and wherein, vibration subassembly includes the vibrating diaphragm subassembly and locates the voice coil loudspeaker voice coil on the vibrating diaphragm subassembly, and generally speaking, the vibrating diaphragm subassembly includes the voice diaphragm and locates the dome on the voice diaphragm.
The traditional ball top is usually a multilayer composite structure, a PMI foaming layer is often used as a base layer in the multilayer composite structure, and other layers are arranged on two opposite sides of the base layer; in order to improve the capability of the ball top in resisting scratches and damages caused by external force, part of the ball top is compounded with the carbon fiber layer on the outermost side to obtain the carbon fiber ball top.
Since the PMI foam layer is expensive to manufacture, this directly leads to an increase in the manufacturing cost of the dome.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: a carbon fiber dome, a diaphragm assembly, a speaker and an electronic device are provided at low cost.
In order to solve the technical problems, the utility model adopts the technical scheme that: carbon fiber ball top, including the basic unit, one side of basic unit is equipped with the first layer, the opposite side of basic unit is equipped with the second floor, the second floor is kept away from one side of basic unit is equipped with the carbon fiber layer, the material of basic unit is the bakelite, the material of first layer and the material of second floor are the alloy respectively.
Further, the first layer is made of magnesium-aluminum alloy or magnesium-lithium alloy.
Furthermore, the second layer is made of magnesium-aluminum alloy or magnesium-lithium alloy.
Further, the material of the first layer is the same as that of the second layer.
Further, the material of the first layer is different from the material of the second layer.
Further, the base layer is connected with the first layer through a first adhesive layer, and the base layer is connected with the second layer through a second adhesive layer.
Furthermore, one side of the base layer close to the first layer is provided with a first glue containing groove, one side of the base layer close to the second layer is provided with a second glue containing groove, one part of the first glue layer is filled in the first glue containing groove, and one part of the second glue containing groove is filled in the second glue containing groove.
The vibrating diaphragm component comprises the carbon fiber ball top.
The loudspeaker comprises the carbon fiber dome.
Electronic equipment, including above-mentioned carbon fiber dome.
The utility model has the beneficial effects that: the bakelite source is wide, the bakelite can be directly purchased and obtained, and the bakelite is used for replacing a PMI foaming layer as a base layer, so that the purchase cost of the carbon fiber ball top manufacturing raw material can be effectively reduced, the production cost of the carbon fiber ball top is reduced, and the manufacturing cost of the vibrating diaphragm component, the loudspeaker and the electronic equipment is further reduced. The first layer and the second layer are made of the alloy, so that the weight of the carbon fiber ball top can be effectively reduced, and the acoustic performance of a loudspeaker carrying the carbon fiber ball top is improved. In addition, the carbon fiber layer arranged on the outermost layer can improve the external force/scratch resistance of the dome, so that the carbon fiber dome is not easy to scratch or damage, and the yield of the appearance of the dome is improved.
Drawings
FIG. 1 is a cross-sectional view of a carbon fiber dome according to a first embodiment of the present invention;
FIG. 2 is a cross-sectional view of a carbon fiber dome according to a second embodiment of the present invention;
fig. 3 is a cross-sectional view of a carbon fiber dome according to a third embodiment of the present invention.
Description of reference numerals:
1. a base layer;
2. a first layer;
3. a second layer;
4. a carbon fiber layer;
5. a first glue layer;
6. a second adhesive layer;
7. a third adhesive layer;
8. a first glue containing groove;
9. a second glue containing groove;
10. and (4) a convex hull structure.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 3, the carbon fiber dome comprises a base layer 1, a first layer 2 is arranged on one side of the base layer 1, a second layer 3 is arranged on the other side of the base layer 1, a carbon fiber layer 4 is arranged on one side of the second layer 3, which is far away from the base layer 1, the base layer 1 is made of bakelite, and the first layer 2 and the second layer 3 are made of alloys respectively.
From the above description, the beneficial effects of the present invention are: according to the carbon fiber ball top, the bakelite is used for replacing the PMI foaming layer as the base layer 1, so that the purchase cost of the carbon fiber ball top manufacturing raw materials can be effectively reduced, the production cost of the carbon fiber ball top is reduced, and the manufacturing cost of the vibrating diaphragm assembly, the loudspeaker and the electronic equipment is further reduced. The first layer 2 and the second layer 3 are made of the alloy, so that the weight of the carbon fiber ball top can be effectively reduced, and the acoustic performance of a loudspeaker carrying the carbon fiber ball top is improved. In addition, the carbon fiber layer 4 arranged on the outermost layer can improve the external force/scratch resistance of the dome, so that the carbon fiber dome is not easy to scratch and damage, and the yield of the appearance of the dome is improved.
Further, the first layer 2 is made of magnesium-aluminum alloy or magnesium-lithium alloy.
Further, the second layer 3 is made of magnesium-aluminum alloy or magnesium-lithium alloy.
From the above description, it can be known that the magnesium-lithium alloy/magnesium-aluminum alloy has high hardness, high rigidity, light weight, high sensitivity and good frequency ductility, and the sound color of the speaker with the carbon fiber dome can be brighter by using the magnesium-lithium alloy/magnesium-aluminum alloy as the first layer 2 and/or the second layer 3, so that the hearing sense of the speaker can be effectively improved.
Further, the material of the first layer 2 is the same as that of the second layer 3.
Further, the material of the first layer 2 is different from the material of the second layer 3.
As can be seen from the above description, the material of the first layer 2 may be the same as or different from the material of the second layer 3.
Further, the base layer 1 is connected with the first layer 2 through a first glue layer 5, and the base layer 1 is connected with the second layer 3 through a second glue layer 6.
According to the description, in the multilayer composite structure of the carbon fiber spherical top, the adjacent layers are connected conveniently and quickly, and the assembly cost of the carbon fiber spherical top is reduced.
Further, one side of the base layer 1 close to the first layer 2 is provided with a first glue containing groove 8, one side of the base layer 1 close to the second layer 3 is provided with a second glue containing groove 9, one part of the first glue layer 5 is filled in the first glue containing groove 8, and one part of the second glue containing groove 9 is filled in the second glue containing groove 9.
As can be seen from the above description, the first glue containing groove 8 and the second glue containing groove 9 can improve the connection force between the base layer 1 and the first layer 2 and the second layer 3, thereby enhancing the structural stability of the carbon fiber ball top.
The vibrating diaphragm component comprises the carbon fiber ball top.
The loudspeaker comprises the carbon fiber dome.
Electronic equipment, including above-mentioned carbon fiber dome.
Example one
Referring to fig. 1, a first embodiment of the present invention is: electronic devices including, but not limited to, cell phones, smart watches, portable stereos, tablet computers, and the like. The electronic device includes a speaker for converting electrical energy into acoustic energy.
The loudspeaker comprises a basin frame, a vibration assembly and a magnetic circuit assembly, wherein the vibration assembly and the magnetic circuit assembly are arranged on the basin frame respectively, the vibration assembly comprises a vibrating diaphragm assembly and a voice coil arranged on the vibrating diaphragm assembly, and the voice coil is arranged in the basin frame and the bottom of the voice coil is arranged in a magnetic gap of the magnetic circuit assembly. The vibrating diaphragm subassembly includes the sound membrane and locates carbon fiber dome on the sound membrane, in this embodiment, the sound membrane includes interior fixed part, book ring portion and the outer fixed part that links to each other in proper order from inside to outside, be equipped with the windowing on the interior fixed part, carbon fiber dome sets firmly on the interior fixed part and seals the windowing, the voice coil loudspeaker voice coil is fixed carbon fiber dome or on the sound membrane.
Carbon fiber ball top is four layers composite construction, and it includes basic unit 1, one side of basic unit 1 is equipped with first layer 2, the opposite side of basic unit 1 is equipped with second floor 3, second floor 3 keeps away from one side of basic unit 1 is equipped with carbon fiber layer 4, the material of basic unit 1 is the bakelite, the material of first layer 2 and the material of second floor 3 are the alloy respectively.
In order to reduce the overall weight of the carbon fiber ball top and reduce the overall loss of the loudspeaker, preferably, the first layer 2 is made of magnesium-aluminum alloy or magnesium-lithium alloy, and the second layer 3 is made of magnesium-aluminum alloy or magnesium-lithium alloy.
It will be understood that the material of the first layer 2 may be the same as or different from the material of the second layer 3.
In detail, the base layer 1 is connected with the first layer 2 through a first glue layer 5, and the base layer 1 is connected with the second layer 3 through a second glue layer 6.
In this embodiment, the carbon fiber layer 4 is fixed to one side of the second layer 3 away from the second glue layer 6 by a third glue layer 7. It is of course also possible for the carbon fibre layer 4 to be coated on the second layer 3 by means of a coating process.
Example two
Referring to fig. 2, the second embodiment of the present invention is: electronic devices including, but not limited to, cell phones, smart watches, portable stereos, tablet computers, and the like. The electronic device includes a speaker for converting electrical energy into acoustic energy.
The loudspeaker comprises a basin frame, a vibration assembly and a magnetic circuit assembly, wherein the vibration assembly and the magnetic circuit assembly are arranged on the basin frame respectively, the vibration assembly comprises a vibrating diaphragm assembly and a voice coil arranged on the vibrating diaphragm assembly, and the voice coil is arranged in the basin frame and the bottom of the voice coil is arranged in a magnetic gap of the magnetic circuit assembly. The vibrating diaphragm subassembly includes the sound membrane and locates carbon fiber dome on the sound membrane, in this embodiment, the sound membrane includes interior fixed part, book ring portion and the outer fixed part that links to each other in proper order from inside to outside, be equipped with the windowing on the interior fixed part, carbon fiber dome sets firmly on the interior fixed part and seals the windowing, the voice coil loudspeaker voice coil is fixed carbon fiber dome or on the sound membrane.
Carbon fiber ball top is four layers composite construction, and it includes basic unit 1, one side of basic unit 1 is equipped with first layer 2, the opposite side of basic unit 1 is equipped with second floor 3, second floor 3 keeps away from one side of basic unit 1 is equipped with carbon fiber layer 4, the material of basic unit 1 is the bakelite, the material of first layer 2 and the material of second floor 3 are the alloy respectively.
In order to reduce the overall weight of the carbon fiber ball top and reduce the overall loss of the loudspeaker, preferably, the first layer 2 is made of magnesium-aluminum alloy or magnesium-lithium alloy, and the second layer 3 is made of magnesium-aluminum alloy or magnesium-lithium alloy.
It will be understood that the material of the first layer 2 may be the same as or different from the material of the second layer 3.
In detail, the base layer 1 is connected with the first layer 2 through a first glue layer 5, and the base layer 1 is connected with the second layer 3 through a second glue layer 6.
In this embodiment, the carbon fiber layer 4 is fixed to one side of the second layer 3 away from the second glue layer 6 by a third glue layer 7. It is of course also possible for the carbon fibre layer 4 to be coated on the second layer 3 by means of a coating process.
For the overall structure's that improves carbon fiber ball top stability, basic unit 1 is close to one side of first layer 2 is equipped with first appearance gluey groove 8, basic unit 1 is close to one side of second layer 3 is equipped with second appearance gluey groove 9, partly packing of first glue film 5 first appearance gluey groove 8, partly packing of second appearance gluey groove 9 the second holds gluey groove 9. The first glue groove 8 that holds sets up can improve the stability that basic unit 1 and first layer 2 are connected, and the second glue groove 9 that holds sets up can improve the stability that basic unit 1 and second layer 3 are connected. Optionally, the first glue containing groove 8 and the second glue containing groove 9 are respectively in a ring frame shape or a strip shape. It is understood that the number of the first glue receiving grooves 8 and the number of the second glue receiving grooves 9 may be several respectively.
In a preferred embodiment, the projection area of the first glue receiving groove 8 and the projection area of the second glue receiving groove 9 do not overlap each other when projected in the thickness direction of the base layer 1. Therefore, the requirement on the thickness of the base layer 1 can be reduced, and the carbon fiber ball top is lighter and thinner.
EXAMPLE III
Referring to fig. 3, a third embodiment of the present invention is: electronic devices including, but not limited to, cell phones, smart watches, portable stereos, tablet computers, and the like. The electronic device includes a speaker for converting electrical energy into acoustic energy.
The loudspeaker comprises a basin frame, a vibration assembly and a magnetic circuit assembly, wherein the vibration assembly and the magnetic circuit assembly are arranged on the basin frame respectively, the vibration assembly comprises a vibrating diaphragm assembly and a voice coil arranged on the vibrating diaphragm assembly, and the voice coil is arranged in the basin frame and the bottom of the voice coil is arranged in a magnetic gap of the magnetic circuit assembly. The vibrating diaphragm subassembly includes the sound membrane and locates carbon fiber dome on the sound membrane, in this embodiment, the sound membrane includes interior fixed part, book ring portion and the outer fixed part that links to each other in proper order from inside to outside, be equipped with the windowing on the interior fixed part, carbon fiber dome sets firmly on the interior fixed part and seals the windowing, the voice coil loudspeaker voice coil is fixed carbon fiber dome or on the sound membrane.
Carbon fiber ball top is four layers composite construction, and it includes basic unit 1, one side of basic unit 1 is equipped with first layer 2, the opposite side of basic unit 1 is equipped with second floor 3, second floor 3 keeps away from one side of basic unit 1 is equipped with carbon fiber layer 4, the material of basic unit 1 is the bakelite, the material of first layer 2 and the material of second floor 3 are the alloy respectively.
In order to reduce the overall weight of the carbon fiber ball top and reduce the overall loss of the loudspeaker, preferably, the first layer 2 is made of magnesium-aluminum alloy or magnesium-lithium alloy, and the second layer 3 is made of magnesium-aluminum alloy or magnesium-lithium alloy.
It will be understood that the material of the first layer 2 may be the same as or different from the material of the second layer 3.
In detail, the base layer 1 is connected with the first layer 2 through a first glue layer 5, and the base layer 1 is connected with the second layer 3 through a second glue layer 6.
In this embodiment, the carbon fiber layer 4 is fixed to one side of the second layer 3 away from the second glue layer 6 by a third glue layer 7. It is of course also possible for the carbon fibre layer 4 to be coated on the second layer 3 by means of a coating process.
In order to expand the high-frequency response of the diaphragm assembly, improve the high-frequency effect of the diaphragm assembly, and improve the high-frequency performance of the speaker, the carbon fiber dome of this embodiment is provided with a hollow convex hull structure 10. The convex hull structure 10 can be provided with one convex hull structure distributed in the center of the carbon fiber ball top; of course, a plurality of the carbon fiber balls can be arranged and evenly distributed on the top of the carbon fiber balls.
In summary, according to the carbon fiber dome, the diaphragm assembly, the speaker and the electronic device provided by the utility model, the carbon fiber dome uses bakelite to replace the PMI foaming layer as the base layer, so that the purchase cost of the carbon fiber dome manufacturing raw material can be effectively reduced, the production cost of the carbon fiber dome is reduced, and the manufacturing cost of the diaphragm assembly, the speaker and the electronic device is further reduced; the existence of the carbon fiber layer can improve the impact resistance, scratch resistance and breakage resistance of the dome. The first layer and the second layer are made of the alloy, so that the weight of the carbon fiber ball top can be effectively reduced, and the acoustic performance of a loudspeaker carrying the carbon fiber ball top is improved. The sound color of the loudspeaker carrying the carbon fiber ball top can be brighter by using the magnesium-lithium alloy or the magnesium-aluminum alloy as the first layer/the second layer, and the listening feeling of the loudspeaker can be effectively improved. The both sides of basic unit set up and hold gluey groove and can improve the power of being connected of basic unit and first layer and second floor in the carbon fiber ball top to the structural stability of reinforcing carbon fiber ball top. In addition, the arrangement of the convex-bag structure on the carbon fiber dome can improve the high-frequency performance of the loudspeaker carrying the carbon fiber dome.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (10)
1. Carbon fiber ball top, including the basic unit, one side of basic unit is equipped with the first layer, the opposite side of basic unit is equipped with the second floor, the second floor is kept away from one side of basic unit is equipped with carbon fiber layer, its characterized in that: the base layer is made of bakelite, and the first layer and the second layer are made of alloy respectively.
2. The carbon fiber dome of claim 1, wherein: the first layer is made of magnesium-aluminum alloy or magnesium-lithium alloy.
3. The carbon fiber dome of claim 1, wherein: the second layer is made of magnesium-aluminum alloy or magnesium-lithium alloy.
4. The carbon fiber dome of claim 1, wherein: the material of the first layer is the same as that of the second layer.
5. The carbon fiber dome of claim 1, wherein: the material of the first layer is different from the material of the second layer.
6. The carbon fiber dome of claim 1, wherein: the basic unit with first layer is through first glue film connection, the basic unit with the second layer is through the second glue film connection.
7. The carbon fiber dome of claim 6, wherein: the basic unit is close to one side on first layer is equipped with first appearance gluey groove, the basic unit is close to one side on second layer is equipped with the second and holds gluey groove, partly packing of first glue film first appearance gluey groove, partly packing of second appearance gluey groove the second holds gluey groove.
8. Vibrating diaphragm subassembly, its characterized in that: comprising a carbon fiber dome according to any one of claims 1 to 7.
9. A loudspeaker, characterized in that: comprising a carbon fiber dome according to any one of claims 1 to 7.
10. An electronic device, characterized in that: comprising a carbon fiber dome according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121040120.6U CN215420731U (en) | 2021-05-14 | 2021-05-14 | Carbon fiber ball top, vibrating diaphragm assembly, loudspeaker and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121040120.6U CN215420731U (en) | 2021-05-14 | 2021-05-14 | Carbon fiber ball top, vibrating diaphragm assembly, loudspeaker and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215420731U true CN215420731U (en) | 2022-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121040120.6U Active CN215420731U (en) | 2021-05-14 | 2021-05-14 | Carbon fiber ball top, vibrating diaphragm assembly, loudspeaker and electronic equipment |
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|---|---|
| CN (1) | CN215420731U (en) |
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2021
- 2021-05-14 CN CN202121040120.6U patent/CN215420731U/en active Active
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