CN211930870U - Miniature plane vibrating diaphragm loudspeaker - Google Patents
Miniature plane vibrating diaphragm loudspeaker Download PDFInfo
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- CN211930870U CN211930870U CN202021156085.XU CN202021156085U CN211930870U CN 211930870 U CN211930870 U CN 211930870U CN 202021156085 U CN202021156085 U CN 202021156085U CN 211930870 U CN211930870 U CN 211930870U
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- circuit board
- upper clamping
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Abstract
The utility model discloses a miniature plane vibrating diaphragm speaker, it relates to the speaker field, is provided with the tuning cloth in the tuning hole, is provided with several circuit board locating hole around the tuning hole, and the below of punch holder is provided with insulating pad, goes up insulating pad and is provided with insulating pad through-hole and electrically conductive through-hole on the several on the insulating pad, goes up the electrically conductive copper post connection of several T type between insulating pad, punch holder and the circuit board. It adopts each a set of magnetic circuit about the vibrating diaphragm, each group's magnetic circuit comprises 7 magnet, its maximize has utilized limited space, when the vibrating diaphragm passes through the electric current, wherein a set of magnetic circuit produces the appeal to the vibrating diaphragm, another group's magnetic circuit then produces the repulsion force to the vibrating diaphragm, the heteropole looks of magnetic field inhales promptly, the principle that homopolar is repulsive, the magnetic field force that makes the vibrating diaphragm receive is geometric multiple and increases, this micro loudspeaker's sensitivity has greatly been improved, make popular cell-phone and walkman on the current market drive easily, better tone quality impression has been realized.
Description
The technical field is as follows:
the utility model relates to a miniature plane vibrating diaphragm speaker belongs to speaker technical field.
Background art:
at present, a small miniature planar diaphragm loudspeaker is limited by volume, magnetic steel is small in volume, sensitivity is generally low, and the loudspeaker is difficult to be driven by a mobile phone and some miniature walkmans; the existing plane vibrating diaphragm loudspeaker structure is mostly fixed by two or more groups of screw nuts, the plane sound film is easily deformed due to unbalanced stress, the frequency response consistency of the loudspeaker is poor, the size of the screw nut is required to be more fine after the plane loudspeaker is miniaturized, the assembling difficulty of the miniature plane loudspeaker is increased, and the miniature plane loudspeaker cannot be used for an in-ear earphone, a mobile phone, a tablet personal computer and the like of the miniature loudspeaker.
The utility model has the following contents:
to the above problem, the to-be-solved technical problem of the utility model is to provide a miniature plane vibrating diaphragm speaker.
The utility model relates to a micro plane vibrating diaphragm loudspeaker, which comprises an upper splint, an upper splint magnetic steel group, a circuit board, tuning cloth, an upper insulating gasket, a T-shaped conductive copper column, a spring, a diaphragm, a lower insulating gasket, a lower splint magnetic steel group and a dustproof steel mesh, wherein the middle part of the upper splint is provided with an upper splint magnetic steel group mounting groove, the upper splint magnetic steel group mounting groove is internally provided with the upper splint magnetic steel group, a plurality of upper splint positioning holes and upper splint conductive through holes are arranged around the upper splint magnetic steel group mounting groove, the circuit board is arranged above the upper splint, the middle part of the circuit board is provided with a tuning hole, the tuning cloth is arranged in the tuning hole, a plurality of circuit board positioning holes are arranged around the tuning hole, the upper insulating gasket is arranged below the upper splint, the upper insulating gasket is provided with a plurality of upper insulating gasket through holes and conductive through holes, the upper insulating, the T-shaped conductive copper column sequentially penetrates through the conductive through hole in the upper insulating gasket and the conductive through hole in the upper clamping plate and is welded on the bonding pad of the circuit board;
the diaphragm is installed to the below of going up insulating pad, is provided with several diaphragm locating hole on the diaphragm, and the below of diaphragm is provided with insulating pad down, is provided with insulating pad through-hole under the several on the insulating pad down, and the below of lower insulating pad is provided with the lower plate, and the middle part of lower plate is provided with lower plate magnet group mounting groove, installs lower plate magnet group in the lower plate magnet group mounting groove, and the bottom of lower plate is provided with dustproof steel mesh.
Preferably, the bottom of the circuit board is provided with a loudspeaker welding spot anode and a loudspeaker welding spot cathode.
Preferably, the middle part of the upper insulating spacer is provided with an upper insulating spacer vibration space.
Preferably, the diaphragm is provided with a driving coil, one end of the driving coil is connected to a positive electrode of the line conductor, and the other end of the driving coil is connected to a negative electrode of the line conductor.
Preferably, the middle part of the lower insulating spacer is provided with a lower insulating spacer vibration space.
Preferably, the lower clamping plate is evenly provided with a plurality of lower clamping plate positioning columns, and the lower clamping plate sequentially penetrates through the lower insulating gasket through holes in the lower insulating gasket, the diaphragm positioning holes in the diaphragm, the upper insulating gasket through holes in the upper insulating gasket and the upper clamping plate positioning holes in the upper clamping plate to be connected with the circuit board positioning holes in the circuit board through the plurality of lower clamping plate positioning columns, so that accurate positioning is realized, the magnetic field repulsive force of the upper and lower clamping plate magnetic steel sets is overcome, and parts are tightly attached to each other.
The utility model has the advantages that: its structural design is reasonable, the installation is simple, high durability and convenient use, adopt each a set of magnetic circuit about the vibrating diaphragm, each magnetic circuit of group comprises 7 magnet, its maximize has utilized limited space, when the vibrating diaphragm passes through the electric current, one of them set of magnetic circuit produces the appeal to the vibrating diaphragm, another set of magnetic circuit then produces the repulsion force to the vibrating diaphragm, the heteropole looks of magnetic field inhales promptly, homopolar repellent's principle, the magnetic field force that makes the vibrating diaphragm receive is the geometric multiple and increases, this micro loudspeaker's sensitivity has greatly been improved, make popular cell-phone and walkman on the current market drive easily, better tone quality impression has been realized.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and accompanying drawings.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
fig. 3 is a schematic structural view of the upper middle splint of the present invention;
FIG. 4 is a schematic structural view of the diaphragm of the present invention;
FIG. 5 is a schematic structural view of the upper and lower clamping plates of the present invention;
fig. 6 is a schematic structural diagram of a circuit board according to the present invention;
fig. 7 is a schematic structural view of the T-shaped conductive copper pillar of the present invention.
1-upper splint; 101-mounting grooves for the upper clamping plate magnetic steel group; 102-upper clamp plate positioning holes; 103-an upper clamping plate conductive through hole; 2-upper clamping plate magnetic steel group; 3-a circuit board; 301-tone tuning hole; 302-circuit board positioning holes; 303-loudspeaker welding spot positive pole; 304-speaker solder joint negative pole; 4-tone tuning cloth; 5-upper insulating spacer; 501-upper insulation spacer through holes; 502-conductive vias; 503-upper insulating pad vibration space; 6-T type conductive copper post; 7-a spring; 8-a membrane; 801-membrane positioning holes; 802-drive coils; 803-line conductor positive electrode; 804-line conductor negative pole; 9-lower insulating spacer; 901-lower insulating spacer through hole; 902-lower insulating gasket vibration space; 10-lower splint; 1001-lower clamping plate magnetic steel group mounting groove; 1002-lower clamp plate positioning column; 11-lower clamping plate magnetic steel group; 12-dustproof steel mesh.
The specific implementation mode is as follows:
as shown in fig. 1 to 7, the following technical solutions are adopted in the present embodiment: the acoustic tuning device comprises an upper clamp plate 1, an upper clamp plate magnetic steel group 2, a circuit board 3, tuning cloth 4, an upper insulating gasket 5, a T-shaped conductive copper column 6, a spring 7, a diaphragm 8, a lower insulating gasket 9, a lower clamp plate 10, a lower clamp plate magnetic steel group 11 and a dustproof steel mesh 12, wherein an upper clamp plate magnetic steel group mounting groove 101 is arranged in the middle of the upper clamp plate 1, the upper clamp plate magnetic steel group 2 is mounted in the upper clamp plate magnetic steel group mounting groove 101, a plurality of upper clamp plate positioning holes 102 and upper clamp plate conductive through holes 103 are arranged around the upper clamp plate magnetic steel group mounting groove 101, the circuit board 3 is arranged above the upper clamp plate 1, a tuning hole 301 is arranged in the middle of the circuit board 3, the tuning cloth 4 is arranged in the tuning hole 301, a plurality of circuit board positioning holes 302 are arranged around the tuning hole 301, the upper insulating gasket 5 is arranged below the upper, the upper insulating gasket 5, the upper clamping plate 1 and the circuit board 3 are connected through a plurality of T-shaped conductive copper columns 6, springs 7 are sleeved on the T-shaped conductive copper columns 6, and the T-shaped conductive copper columns 6 sequentially penetrate through the conductive through holes 502 in the upper insulating gasket 5 and the conductive through holes 103 in the upper clamping plate 1 to be welded on the bonding pads of the circuit board 3;
go up insulating gasket 5's below and install diaphragm 8, be provided with several diaphragm locating hole 801 on diaphragm 8, diaphragm 8's below is provided with insulating gasket 9 down, be provided with several lower insulating gasket through-hole 901 on the lower insulating gasket 9, the below of lower insulating gasket 9 is provided with lower plate 10, the middle part of lower plate 10 is provided with lower plate magnet group mounting groove 1001, install lower plate magnet group 11 in lower plate magnet group mounting groove 1001, the bottom of lower plate 10 is provided with dustproof steel mesh 12.
Wherein, the bottom of the circuit board 3 is provided with a loudspeaker welding spot anode 303 and a loudspeaker welding spot cathode 304; the middle part of the upper insulating gasket 5 is provided with an upper insulating gasket vibration space 503; a driving coil 802 is arranged on the diaphragm 8, one end of the driving coil 802 is connected with a positive electrode 803 of a line conductor, and the other end of the driving coil 802 is connected with a negative electrode 804 of the line conductor; the middle part of the lower insulating gasket 9 is provided with a lower insulating gasket vibration space 902; the lower clamp plate 10 is uniformly provided with a plurality of lower clamp plate positioning columns 1002, the lower clamp plate 10 sequentially penetrates through the lower insulating gasket through holes 901 on the lower insulating gasket 9, the diaphragm positioning holes 801 on the diaphragm 8, the upper insulating gasket through holes 501 on the upper insulating gasket 5 and the upper clamp plate positioning holes 102 on the upper clamp plate 1 through the plurality of lower clamp plate positioning columns 1002 to be connected with the circuit board positioning holes 302 on the circuit board 3, accurate positioning is achieved, the magnetic field repulsive force of the upper and lower clamp plate magnetic steel sets is overcome, and parts are tightly attached to each other.
This embodiment mode structural design is reasonable, the installation is simple, high durability and convenient use, adopt each a set of magnetic circuit about the vibrating diaphragm, each magnetic circuit of group comprises 7 magnet, its maximize has utilized limited space, when the vibrating diaphragm passes through the electric current, one of them set of magnetic circuit produces appeal to the vibrating diaphragm, another set of magnetic circuit then produces the repulsion force to the vibrating diaphragm, the heteropole attraction in magnetic field promptly, homopolar repulsion's principle, the magnetic field force that makes the vibrating diaphragm receive is the geometric multiple and increases, this micro loudspeaker's sensitivity has greatly been improved, make popular cell-phone and walkman in the current market drive easily, better tone quality impression has been realized.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A miniature flat diaphragm loudspeaker, its characterized in that: the sound-adjusting mechanism comprises an upper clamping plate (1), an upper clamping plate magnetic steel group (2), a circuit board (3), sound-adjusting cloth (4), an upper insulating gasket (5), a T-shaped conductive copper column (6), a spring (7), a diaphragm (8), a lower insulating gasket (9), a lower clamping plate (10), a lower clamping plate magnetic steel group (11) and a dustproof steel mesh (12), wherein an upper clamping plate magnetic steel group mounting groove (101) is formed in the middle of the upper clamping plate (1), the upper clamping plate magnetic steel group (2) is mounted in the upper clamping plate magnetic steel group mounting groove (101), a plurality of upper clamping plate positioning holes (102) and upper clamping plate conductive through holes (103) are formed in the periphery of the upper clamping plate magnetic steel group mounting groove (101), the circuit board (3) is arranged above the upper clamping plate (1), a sound-adjusting hole (301) is formed in the middle of the circuit board (3), the sound-adjusting cloth (, an upper insulating gasket (5) is arranged below the upper clamping plate (1), a plurality of upper insulating gasket through holes (501) and conductive through holes (502) are formed in the upper insulating gasket (5), the upper clamping plate (1) and the circuit board (3) are connected through a plurality of T-shaped conductive copper columns (6), springs (7) are sleeved on the T-shaped conductive copper columns (6), and the T-shaped conductive copper columns (6) sequentially penetrate through the conductive through holes (502) in the upper insulating gasket (5) and the upper clamping plate conductive through holes (103) in the upper clamping plate (1) to be welded on bonding pads of the circuit board (3);
the diaphragm (8) is installed to the below of going up insulating pad (5), be provided with several diaphragm locating hole (801) on diaphragm (8), the below of diaphragm (8) is provided with insulating pad (9) down, be provided with several insulating pad through-hole (901) down on insulating pad (9) down, the below of insulating pad (9) is provided with lower plate (10) down, the middle part of lower plate (10) is provided with lower plate magnet group mounting groove (1001), install lower plate magnet group (11) in lower plate magnet group mounting groove (1001), the bottom of lower plate (10) is provided with dustproof steel mesh (12).
2. The miniature flat-diaphragm loudspeaker of claim 1, wherein: the bottom of the circuit board (3) is provided with a loudspeaker welding spot anode (303) and a loudspeaker welding spot cathode (304).
3. The miniature flat-diaphragm loudspeaker of claim 1, wherein: and an upper insulating gasket vibration space (503) is arranged in the middle of the upper insulating gasket (5).
4. The miniature flat-diaphragm loudspeaker of claim 1, wherein: a driving coil (802) is installed on the diaphragm (8), one end of the driving coil (802) is connected with a positive electrode (803) of the line conductor, and the other end of the driving coil (802) is connected with a negative electrode (804) of the line conductor.
5. The miniature flat-diaphragm loudspeaker of claim 1, wherein: and a lower insulating gasket vibration space (902) is arranged in the middle of the lower insulating gasket (9).
6. The miniature flat-diaphragm loudspeaker of claim 1, wherein: the lower clamping plate (10) is evenly provided with a plurality of lower clamping plate positioning columns (1002), and the lower clamping plate (10) sequentially penetrates through a lower insulation gasket through hole (901) in a lower insulation gasket (9), a diaphragm positioning hole (801) in a diaphragm (8), an upper insulation gasket through hole (501) in an upper insulation gasket (5) and an upper clamping plate positioning hole (102) in an upper clamping plate (1) through the plurality of lower clamping plate positioning columns (1002) to be connected with a circuit board positioning hole (302) in a circuit board (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021156085.XU CN211930870U (en) | 2020-06-21 | 2020-06-21 | Miniature plane vibrating diaphragm loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021156085.XU CN211930870U (en) | 2020-06-21 | 2020-06-21 | Miniature plane vibrating diaphragm loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211930870U true CN211930870U (en) | 2020-11-13 |
Family
ID=73321359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021156085.XU Active CN211930870U (en) | 2020-06-21 | 2020-06-21 | Miniature plane vibrating diaphragm loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211930870U (en) |
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2020
- 2020-06-21 CN CN202021156085.XU patent/CN211930870U/en active Active
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