CN214481239U - Double-side ultrathin loudspeaker - Google Patents
Double-side ultrathin loudspeaker Download PDFInfo
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- CN214481239U CN214481239U CN202023202700.9U CN202023202700U CN214481239U CN 214481239 U CN214481239 U CN 214481239U CN 202023202700 U CN202023202700 U CN 202023202700U CN 214481239 U CN214481239 U CN 214481239U
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Abstract
The utility model belongs to the technical field of the electroacoustic conversion technology and specifically relates to a two-sided ultra-thin speaker is equipped with first speaker monomer and second speaker monomer in the basin frame, and first speaker monomer sets up at basin frame up end, and the second speaker monomer is established at basin frame terminal surface down. When the effect of low frequency needs to be enhanced, the second vibration system is not electrified except the first vibration system which normally produces sound and is electrified to work, and the sound membrane part is used as a back plate for enhancing the bass part; the voice coils of the first vibration system and the second vibration system are electrified, and when the two voice film parts vibrate, a good damping effect is achieved, and the resonance risk of the whole machine is greatly reduced; the loudspeaker is thinned by adopting a nine-magnet design, so that the sound effect of a higher loudspeaker can be achieved, the first side magnetic steel in the first magnetic circuit system and the second center magnetic steel in the second magnetic circuit system are the same part, and the magnetic bowl of the first magnetic circuit system and the second center polar plate in the second magnetic circuit system are the same part, so that the volume of the loudspeaker is greatly reduced.
Description
Technical Field
The utility model belongs to the technical field of the electroacoustic conversion technique and specifically relates to a two-sided ultra-thin speaker.
Background
In recent years, with the improvement of sound quality requirements of electronic products (computers, tablets, mobile phones and the like), the used speaker products need to be optimized and changed in design. Generally, the low frequency is a key frequency band affecting the hearing of general consumers, and in order to enable the consumers to have a good listening feeling, the low frequency of the loudspeaker needs to be enhanced. Now, the increasingly thinner design of electronic products is also considered, so we should also note how to maintain or even improve the low-frequency effect when the speaker is made thin, the effect of the conventional speaker tuning scheme is usually not obvious at present, and the resonance risk of the whole machine part is also enhanced after the whole machine is thinned.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the double-sided ultrathin loudspeaker has the advantages that the low frequency is strengthened, the resonance risk of the whole machine is greatly reduced, and the size of the loudspeaker is greatly reduced.
The utility model provides a technical scheme that its technical problem adopted is: a double-sided ultrathin loudspeaker comprises a basin frame with a cavity, wherein a first loudspeaker single body and a second loudspeaker single body are arranged in the cavity of the basin frame, the first loudspeaker single body is arranged on the upper end face of the basin frame, and the second loudspeaker single body is arranged on the lower end face of the basin frame; the shared element in the first magnetic circuit system of the first loudspeaker unit is first side magnetic steel in the first magnetic circuit system and second center magnetic steel in the second magnetic circuit system of the second loudspeaker unit, and the shared magnetic steel in the first magnetic circuit system of the first loudspeaker unit is a magnetic bowl in the first magnetic circuit system and a second center polar plate in the second magnetic circuit system of the second loudspeaker unit.
Further, the first loudspeaker unit comprises a first vibration system and a first magnetic circuit system, and the first vibration system is positioned above the first magnetic circuit system; the first vibration system comprises a first voice diaphragm and a first voice coil, and the first voice coil and the first voice diaphragm are glued through glue; the first magnetic circuit system comprises a first central polar plate, first central magnetic steel, a first side polar plate, a shared element and shared magnetic steel, wherein the first central magnetic steel is arranged above the shared element, the first central magnetic steel is provided with the first central polar plate, the shared magnetic steel is arranged on the peripheral sides of the first central magnetic steel, a gap is formed between the first central magnetic steel and the shared magnetic steel, and a first voice coil is positioned in the gap; the shared magnetic steel is provided with a first side polar plate which is clamped on the inner cavity wall of the basin frame.
Furthermore, the second loudspeaker unit comprises a second vibration system and a second magnetic circuit system, and the second vibration system is positioned below the second magnetic circuit system; the second vibration system comprises a second voice film and a second voice coil, and the second voice coil and the second voice film are glued through glue; the second magnetic circuit system comprises shared magnetic steel, a shared element, second side magnetic steel, a second side polar plate and second side magnetic steel, the shared magnetic steel is provided with the shared element below, the second side magnetic steel is arranged on the peripheral sides of the shared magnetic steel, the second side magnetic steel is provided with the second side polar plate matched with the second side magnetic steel below, a gap is formed between the shared magnetic steel and the second side magnetic steel, and the second sound film is located in the gap.
Furthermore, a plurality of support legs are arranged on the four walls of the inner cavity of the basin stand, and the common elements are buckled in the support legs and are glued through glue.
Furthermore, the basin frame is provided with an opening, the opening is provided with a convex ring extending upwards, and the basin frame and the convex ring are of an integrally formed structure.
Furthermore, the upper surface of the second side magnetic steel and the upper surface of the common magnetic steel are on the same plane.
Further, the length of the first voice film is smaller than that of the second voice film.
Further, the basin frame and the shared element are fixed through welding of a welding plate.
The utility model has the advantages that when the low frequency needs to be strengthened, the second vibration system is not electrified except the first vibration system which normally produces sound, and the sound membrane part can be used as a back plate of the bass strengthening part;
the voice coils of the first vibration system and the second vibration system are electrified, and when the two voice film parts vibrate, a good damping effect can be achieved, and the resonance risk of the whole machine is greatly reduced;
by adopting the nine-magnet design, the loudspeaker can be thinned, the sound effect of a higher loudspeaker can be achieved, the first side magnetic steel in the first magnetic circuit system and the second center magnetic steel in the second magnetic circuit system are the same part, and the magnetic bowl of the first magnetic circuit system and the second center polar plate in the second magnetic circuit system are the same part, so that the volume of the loudspeaker is greatly reduced.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the present invention in another direction;
FIG. 3 is a sectional view in the longitudinal direction of the present invention;
fig. 4 is an exploded view of the present invention;
fig. 5 is a schematic structural diagram of the present invention after the first sound film is removed;
fig. 6 is a schematic structural view of the present invention after the second sound film is removed;
fig. 7 is a schematic structural diagram of the first magnetic circuit system and the second magnetic circuit system of the present invention;
fig. 8 is a schematic structural diagram of the first magnetic circuit system and the second magnetic circuit system after the first side plate is removed;
FIG. 9 is a schematic structural view of the basin stand of the present invention;
fig. 10 is a schematic structural view of the basin stand in another direction.
In the figure: 1. a first vibration system, 1-1, a first diaphragm, 1-2, a first voice coil,
2. a second vibration system, 2-1, a second diaphragm, 2-2, a second voice coil,
3. a basin frame, 3-1. a convex ring,
4. 1-4 parts of a first magnetic circuit system, 1-5 parts of a first central polar plate, 1-5 parts of a first central magnetic steel, 1-6 parts of a shared element, 1-7 parts of a first side polar plate, 1-8 parts of a shared magnetic steel,
5. a second magnetic circuit system, 2-3, a second side magnetic steel, 2-4, a second side polar plate,
6. a bonding pad is arranged on the substrate,
7. and (3) a support leg.
Detailed Description
The invention will now be described in further detail with reference to the drawings and preferred embodiments. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
A double-sided ultrathin speaker as shown in fig. 1-10, comprising a frame 3 with a cavity, wherein a first speaker unit and a second speaker unit are arranged in the cavity of the frame 3, the first speaker unit is arranged on the upper end surface of the frame 3, the second speaker unit is arranged on the lower end surface of the frame 3, the two speaker units face to two directions deviating from each other, common elements 1-6 in a first magnetic circuit 4 of the first speaker unit are first side magnetic steel in the first magnetic circuit 4 and second center magnetic steel in a second magnetic circuit 5 of the second speaker unit, and common magnetic steel 1-8 in the first magnetic circuit 4 of the first speaker unit is a magnetic bowl in the first magnetic circuit 4 and a second center polar plate in the second magnetic circuit 5 of the second speaker unit.
The first loudspeaker unit comprises a first vibration system 1 and a first magnetic circuit system 4, wherein the first vibration system 1 is positioned above the first magnetic circuit system 4; the first vibration system 1 comprises a first voice diaphragm 1-1 and a first voice coil 1-2, and the first voice coil 1-2 and the first voice diaphragm 1-1 are glued through glue; the first magnetic circuit system 4 shown in fig. 7-8 includes a first central pole plate 1-4, a first central magnetic steel 1-5, a first side pole plate 1-7, a common component 1-6, and a common magnetic steel 1-8, wherein the first central magnetic steel 1-5 is disposed above the common component 1-6, the first central magnetic steel 1-5 is provided with the first central pole plate 1-4, the common magnetic steels 1-8 are disposed on the peripheral sides of the first central magnetic steel 1-5, a gap is formed between the first central magnetic steel 1-5 and the common magnetic steels 1-8, and the first voice coil 1-2 is located in the gap; the shared magnetic steel 1-8 is provided with a first side polar plate 1-7, and the first side polar plate 1-7 is clamped on the inner cavity wall of the basin frame 3.
The second loudspeaker unit comprises a second vibration system 2 and a second magnetic circuit system 5, and the second vibration system 2 is positioned below the second magnetic circuit system 5; the second vibration system 2 comprises a second voice diaphragm 2-1 and a second voice coil 2-2, and the second voice coil 2-2 and the second voice diaphragm 2-1 are glued through glue; the second magnetic circuit system 5 shown in fig. 7-8 includes common magnetic steels 1-8, common elements 1-6, second side magnetic steels 2-3, second side pole plates 2-4, and second side magnetic steels 2-3, the common elements 1-6 are disposed below the common magnetic steels 1-8, the second side magnetic steels 2-3 are disposed on the peripheral sides of the common magnetic steels 1-8, the second side pole plates 2-4 are disposed below the second side magnetic steels 2-3, gaps are formed between the common magnetic steels 1-8 and the second side magnetic steels 2-3, and the second sound film 2-1 is located in the gaps.
As shown in figures 9-10, the four walls of the inner cavity of the basin stand 3 are provided with a plurality of support legs 7, the common elements 1-6 are buckled in the support legs 7 and are glued through glue, and the stability between the basin stand 3 and the common elements 1-6 is ensured.
As shown in fig. 9-10, the frame 3 has an opening, the opening is provided with a convex ring 3-1 extending upwards, the frame 3 and the convex ring 3-1 are in an integrated structure, and the convex ring 3-1 not only increases the installation cavity of the frame 3, but also increases the volume of the whole loudspeaker.
The upper surfaces of the second side magnetic steels 2-3 and the common magnetic steels 1-8 are on the same plane.
Moreover, the length of the first voice diaphragm 1-1 is smaller than that of the second voice diaphragm 2-1, the first voice coil 1-2 and the second voice coil 2-2 are arranged in a staggered manner,
the basin stand 3 and the shared elements 1-6 are fixed by welding through a welding pad 6.
As shown in fig. 4, the shared elements 1-6 are the same part of the first side magnetic steel in the first magnetic circuit system 4 and the second center magnetic steel in the second magnetic circuit system 5;
the shared magnetic steels 1-8 are the same part of the magnetic bowl of the first magnetic circuit system 4 and the second central polar plate in the second magnetic circuit system 5.
By the aid of the loudspeaker, the use of parts is greatly reduced, the volume of the loudspeaker is greatly reduced through sharing of the parts, and the double-sided loudspeaker can be thinner.
Specifically, common elements 1-6 (magnetic bowls) are buckled in a basin frame 3, a first central polar plate 1-4 and common magnetic steels 1-8 are further glued between the basin frame 3 and the common elements 1-6 (magnetic bowls), a reinforcing strip is further arranged on the inner wall of an opening of the basin frame 3 and used for reinforcing the structure, then first central magnetic steels 1-5 are glued on the common elements 1-6 (magnetic bowls), first central polar plates 1-4 are arranged on the first central magnetic steels 1-5, first voice coils 1-2 are arranged in gaps between the common magnetic steels 1-8 (first side magnetic steels) and the first central magnetic steels 1-5, the first voice coils 1-2 are glued with first voice diaphragms 1-1, and then the first voice diaphragms 1-1 are assembled on the basin frame 3 to complete the installation of first loudspeaker monomers;
and (3) mounting a second loudspeaker monomer, mounting a second side magnetic steel 2-3, gluing a second side polar plate 2-4 on the second side magnetic steel 2-3, gluing a second voice coil 2-2 in a gap between the common magnetic steel 1-8 (second central magnetic steel) and the second side magnetic steel 2-3, gluing the second voice coil 2-2 and the second voice diaphragm 2-1, and assembling the second voice diaphragm 2-1 on the basin frame 3 to complete the mounting of the whole loudspeaker.
When the effect of low frequency needs to be enhanced, the second vibration system 2 is not electrified except the first vibration system 1 which normally produces sound and works when electrified, and the sound film part can be used as a back plate for enhancing the bass part; at the moment, the shared elements 1-6 are magnetic bowls, and the shared magnetic steels 1-8 are first side magnetic steels;
the voice coils of the first vibration system 1 and the second vibration system 2 are electrified, and when the two voice film parts vibrate, a good damping effect can be achieved, and the resonance risk of the whole machine is greatly reduced.
While the foregoing is directed to embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Claims (8)
1. The utility model provides a two-sided ultra-thin speaker, includes basin frame (3) of taking the cavity, its characterized in that: a first loudspeaker single body and a second loudspeaker single body are arranged in a cavity of the basin frame (3), the first loudspeaker single body is arranged on the upper end face of the basin frame (3), and the second loudspeaker single body is arranged on the lower end face of the basin frame (3);
the shared elements (1-6) in the first magnetic circuit system (4) of the first loudspeaker monomer are first side magnetic steel in the first magnetic circuit system (4) and second center magnetic steel in the second magnetic circuit system (5) of the second loudspeaker monomer,
shared magnetic steel (1-8) in a first magnetic circuit system (4) of the first loudspeaker unit is a magnetic bowl in the first magnetic circuit system (4) and a second central polar plate in a second magnetic circuit system (5) of the second loudspeaker unit.
2. The double-sided ultra-thin speaker of claim 1, wherein: the first loudspeaker unit comprises a first vibration system (1) and a first magnetic circuit system (4), wherein the first vibration system (1) is positioned above the first magnetic circuit system (4);
the first vibration system (1) comprises a first sound film (1-1) and a first voice coil (1-2), wherein the first voice coil (1-2) is glued with the first sound film (1-1) through glue;
the first magnetic circuit system (4) comprises a first central polar plate (1-4), first central magnetic steel (1-5), a first side polar plate (1-7), a common element (1-6) and common magnetic steel (1-8), wherein the first central magnetic steel (1-5) is arranged above the common element (1-6), the first central polar plate (1-4) is arranged on the first central magnetic steel (1-5), the common magnetic steel (1-8) is arranged on the peripheral sides of the first central magnetic steel (1-5), a gap is formed between the first central magnetic steel (1-5) and the common magnetic steel (1-8), and the first voice coil (1-2) is positioned in the gap;
the shared magnetic steel (1-8) is provided with a first side polar plate (1-7), and the first side polar plate (1-7) is clamped on the inner cavity wall of the basin frame (3).
3. The double-sided ultra-thin speaker of claim 1, wherein: the second loudspeaker unit comprises a second vibration system (2) and a second magnetic circuit system (5), and the second vibration system (2) is positioned below the second magnetic circuit system (5);
the second vibration system (2) comprises a second sound film (2-1) and a second voice coil (2-2), and the second voice coil (2-2) is glued with the second sound film (2-1) through glue;
the second magnetic circuit system (5) comprises common magnetic steels (1-8), common elements (1-6), second side magnetic steels (2-3), second side polar plates (2-4) and second side magnetic steels (2-3), the common elements (1-6) are arranged below the common magnetic steels (1-8), the second side magnetic steels (2-3) are arranged on the peripheral sides of the common magnetic steels (1-8), the second side polar plates (2-4) matched with the second side magnetic steels are arranged below the second side magnetic steels (2-3), gaps are formed between the common magnetic steels (1-8) and the second side magnetic steels (2-3), and the second sound films (2-1) are located in the gaps.
4. A double-sided ultra-thin speaker as claimed in claim 2 or 3, wherein: the four walls of the inner cavity of the basin frame (3) are provided with a plurality of support legs (7), and the common elements (1-6) are buckled in the support legs (7) and are glued by glue.
5. The double-sided ultra-thin speaker of claim 4, wherein: the basin stand (3) is provided with an opening, the opening is provided with a convex ring (3-1) extending upwards, and the basin stand (3) and the convex ring (3-1) are of an integrally formed structure.
6. A double-sided ultra-thin speaker as claimed in claim 3, wherein: the upper surfaces of the second side magnetic steels (2-3) and the upper surfaces of the common magnetic steels (1-8) are on the same plane.
7. A double-sided ultra-thin speaker as claimed in claim 2, wherein: the length of the first sound film (1-1) is smaller than that of the second sound film (2-1).
8. A double-sided ultra-thin speaker as claimed in claim 2, wherein: the basin frame (3) and the common elements (1-6) are fixed by welding through the welding pads (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023202700.9U CN214481239U (en) | 2020-12-25 | 2020-12-25 | Double-side ultrathin loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023202700.9U CN214481239U (en) | 2020-12-25 | 2020-12-25 | Double-side ultrathin loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214481239U true CN214481239U (en) | 2021-10-22 |
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ID=78194897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023202700.9U Active CN214481239U (en) | 2020-12-25 | 2020-12-25 | Double-side ultrathin loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214481239U (en) |
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2020
- 2020-12-25 CN CN202023202700.9U patent/CN214481239U/en active Active
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