CN220755038U - Tweeter with phase plug - Google Patents
Tweeter with phase plug Download PDFInfo
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- CN220755038U CN220755038U CN202322122416.8U CN202322122416U CN220755038U CN 220755038 U CN220755038 U CN 220755038U CN 202322122416 U CN202322122416 U CN 202322122416U CN 220755038 U CN220755038 U CN 220755038U
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- curved surface
- phase plug
- tweeter
- positioning column
- sound
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 22
- 239000012528 membrane Substances 0.000 claims description 18
- 229910052742 iron Inorganic materials 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Abstract
The utility model provides a tweeter with a phase plug, which comprises a speaker body, wherein the speaker body is provided with a sound producing area; the phase plug body positioned in the sound producing area is arranged on the loudspeaker body; the phase plug body comprises a cone part and a connecting part arranged at the lower end of the cone part, a first curved surface and a second curved surface which are outwards convex are arranged on the cone part, the height of the second curved surface is larger than that of the first curved surface, and the curvature of the first curved surface is larger than that of the second curved surface; the curvature of the joint of the first curved surface and the second curved surface is the same; the phase plug body is arranged in the sound producing area of the loudspeaker body, and the cone part of the phase plug body is provided with the first curved surface and the second curved surface, so that the emitted sound can be emitted outwards after a certain converging effect is formed through the first curved surface and the second curved surface, and the resolution of the emitted sound can be improved.
Description
Technical Field
The utility model relates to the field of loudspeakers, in particular to a tweeter with a phase plug.
Background
The loudspeaker is a transducer for converting electric signals into acoustic signals, and the tweeter is generally formed by a bracket, a magnet, a voice coil, a sound membrane and the like, and the voice coil is vibrated up and down through a formed magnetic circuit system to make sound with the sound membrane; but the sound emitted by the sound membrane is out-diffused, so that the resolution of the emitted sound is lower.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model provides a tweeter with a phase plug, which solves the problem of lower sound resolution of the existing speaker.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a tweeter with a phase plug, comprising a speaker body having a sound emitting region;
the phase plug body positioned in the sound producing area is arranged on the loudspeaker body;
the phase plug body comprises a cone part and a connecting part arranged at the lower end of the cone part, a first curved surface and a second curved surface which are outwards convex are arranged on the cone part, the height of the second curved surface is larger than that of the first curved surface, and the curvature of the first curved surface is larger than that of the second curved surface;
the curvature of the joint of the first curved surface and the second curved surface is the same.
Preferably, a third curved surface which is concave inwards is arranged at the bottom of the cone part, and the upper edge of the third curved surface is connected with the lower edge of the second curved surface.
Preferably, the connecting part comprises a first positioning column fixed on the cone part and a second positioning column connected on the first positioning column, and the diameter of the second positioning column is smaller than that of the first positioning column;
at least two positioning rib plates which are uniformly distributed along the circumferential direction are arranged on the second positioning column and the first positioning column;
the outer side face of the positioning rib plate is of an inclined face structure extending towards the tail end of the second positioning column.
Preferably, the phase plug body is an integrally formed structure.
Preferably, the speaker body includes a panel structure and a bracket installed in the panel structure;
the bracket is provided with a U-shaped iron and a main magnet arranged at the bottom of the U-shaped iron, and the main magnet is connected with a washer and an auxiliary magnet connected to the washer;
the washer and the main magnet are externally coated with a fastening piece, and a magnetic gap is formed between the fastening piece and the U-shaped iron;
the magnetic gap is internally provided with a voice coil and a sound membrane connected with the sound coil, the outer ring of the sound membrane is tightly pressed between the panel structure and the bracket, and the inner ring of the sound membrane is tightly pressed below the phase plug body.
Preferably, the phase plug further comprises a mounting hole penetrating through the main magnet, the auxiliary magnet and the washer, wherein the mounting hole is matched with the connecting part to fix the phase plug body, and the axis of the phase plug body is coincident with the axis of the loudspeaker body.
Preferably, the panel structure is provided with a plurality of connecting holes uniformly distributed along the circumferential direction.
Preferably, the number of the connecting holes is 5, and the connecting holes are step holes.
Preferably, the sound membrane comprises a first curved surface shell and a second curved surface shell which are sequentially connected, and the joint of the first curved surface shell and the second curved surface shell is arranged on the sound ring;
the curvature of the first curved shell is greater than the curvature of the second curved shell.
Compared with the prior art, the utility model has the following beneficial effects:
the phase plug body is arranged in the sound producing area of the loudspeaker body, and the cone part of the phase plug body is provided with the first curved surface and the second curved surface, so that the emitted sound can be emitted outwards after a certain converging effect is formed through the first curved surface and the second curved surface, and the resolution of the emitted sound can be improved.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a schematic top view of FIG. 1;
FIG. 3 is a schematic diagram of a phase plug body according to the present utility model;
FIG. 4 is a schematic diagram of a first axis side view angle configuration of the present utility model;
FIG. 5 is a schematic view of a second axial side view structure according to the present utility model;
FIG. 6 is a schematic diagram of the structure of the sound membrane of the present utility model;
in the drawing the view of the figure,
the loudspeaker comprises a loudspeaker body 1, a phase plug body 2, a cone part 3, a connecting part 4, a first curved surface 5, a second curved surface 6, a third curved surface 7, a first positioning column 8, a second positioning column 9, a positioning rib plate 10, an inclined surface structure 11, a panel structure 12, a bracket 13, a U-shaped iron 14, a main magnet 15, a washer 16, a secondary magnet 17, a fastening piece 18, a magnetic gap 19, a voice coil 20, a sound membrane 21, a mounting hole 22, a connecting hole 23, a first curved surface shell 24 and a second curved surface shell 25.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.
As shown in fig. 1-6, a tweeter with a phase plug according to an embodiment of the present utility model includes a speaker body 1, where the speaker body 1 has a sound emitting area; the phase plug body 2 positioned in the sound producing area is arranged on the loudspeaker body 1, sound emitted by the loudspeaker is gathered through the phase plug body 2 and then emitted outwards, so that the sound resolution is improved, the phase plug body 2 specifically comprises a cone part 3 and a connecting part 4 arranged at the lower end of the cone part 3, a first curved surface 5 and a second curved surface 6 which are outwards convex are arranged on the cone part 3, the height of the second curved surface 6 is larger than that of the first curved surface 5, and the curvature of the first curved surface 5 is larger than that of the second curved surface 6; and the curvature of the joint of the first curved surface 5 and the second curved surface 6 is the same; the first curved surface 5 and the second curved surface 6 with different curvatures can form a gathering effect gradually towards the sharp point on sound, so that the sound resolution is improved.
Specifically, the bottom of the cone portion 3 is provided with a third curved surface 7 concave inwards, and the upper edge of the third curved surface 7 is connected with the lower edge of the second curved surface 6, so that the third curved surface 7 is matched with the loudspeaker body 1 conveniently, and the situation of generating a sound leakage gap is avoided.
Meanwhile, the whole phase plug body 2 is reliably connected on the loudspeaker body 1 through the connecting part 4, the connecting part 4 comprises a first positioning column 8 fixed on the cone part 3 and a second positioning column 9 connected on the first positioning column 8, and the diameter of the second positioning column 9 is smaller than that of the first positioning column 8; at least two positioning rib plates 10 which are uniformly distributed along the circumferential direction are arranged on the second positioning column 9 and the first positioning column 8; the outer side surface of the positioning rib plate 10 is an inclined surface structure 11 extending towards the tail end of the second positioning column 9; the first positioning column 8 and the second positioning column can ensure that a plurality of positions of the installed phase plug body 2 are limited, and meanwhile, the positioning rib plate 10 can play a reliable clamping limit role.
In order to facilitate good conduction of the entire phase plug body 2 to sound, the phase plug body 2 is made to be an integrally formed structure.
Specifically, the speaker body 1 includes a panel structure 12 and a bracket 13 mounted in the panel structure 12;
the bracket 13 is provided with a U-shaped iron 14 and a main magnet 15 arranged at the bottom of the U-shaped iron 14, and the main magnet 15 is connected with a washer 16 and a subsidiary magnet 17 connected with the washer 16; the washer 16 and the main magnet 15 are externally coated with a fastening piece 18, and a magnetic gap 19 is formed between the fastening piece 18 and the U-shaped iron 14; a voice coil 20 and a sound membrane 21 connected to the voice coil 20 are arranged in the magnetic gap 19, an outer ring of the sound membrane 21 is pressed between the panel structure 12 and the bracket 13, and an inner ring of the sound membrane 21 is pressed below the phase plug body 2; the specific speaker pronunciation principle is prior art, and the sound that produces through sound membrane 21 vibration directly passes through the phase plug body 2 that contacts rather than outgoing to improve the resolution of sound that makes, strengthened tone quality behind the phase plug body 2 through increasing.
Further comprising a mounting hole 22 penetrating the main magnet 15, the sub-magnet 17 and the washer 16, the mounting hole 22 cooperating with the connecting portion 4 to fix the phase plug body 2, the axis of the phase plug body 2 coinciding with the axis of the speaker body 1; the connecting part 4 is reliably fixed through the mounting hole 22, so that the condition of generating a mounting included angle can be avoided, and the sound conduction effect is improved.
Specifically, a plurality of connecting holes 23 are formed in the panel structure 12 along the circumferential direction, the number of the connecting holes 23 is 5, the connecting holes 23 are stepped holes, the whole loudspeaker is conveniently installed and fixed through the connecting holes 23, and meanwhile, sound emitted backwards is silenced through the rear cavity structure connected to the panel structure 12, so that noise is avoided.
Meanwhile, the sound membrane 21 includes a first curved surface shell 24 and a second curved surface shell 25 that are sequentially connected, and a connection portion between the first curved surface shell 24 and the second curved surface shell 25 is disposed on the voice coil 20; the curvature of the first curved surface shell 24 is greater than the curvature of the second curved surface shell 25; a purer treble can be emitted by the structure of the diaphragm 21.
In the description of the present utility model, it should be understood that the terms "orientation" or "positional relationship" are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (9)
1. A tweeter with a phase plug, characterized by: comprises a loudspeaker body (1), wherein the loudspeaker body (1) is provided with a sound producing area;
the phase plug body (2) positioned in the sound producing area is arranged on the loudspeaker body (1);
the phase plug body (2) comprises a cone part (3) and a connecting part (4) arranged at the lower end of the cone part (3), wherein a first curved surface (5) and a second curved surface (6) which are outwards protruded are arranged on the cone part (3), the height of the second curved surface (6) is larger than that of the first curved surface (5), and the curvature of the first curved surface (5) is larger than that of the second curved surface (6);
the curvature of the joint of the first curved surface (5) and the second curved surface (6) is the same.
2. A tweeter with a phase plug as in claim 1, wherein: the bottom of the cone part (3) is provided with a third curved surface (7) which is concave inwards, and the upper edge of the third curved surface (7) is connected with the lower edge of the second curved surface (6).
3. A tweeter with a phase plug as claimed in claim 1 or 2, wherein: the connecting part (4) comprises a first positioning column (8) fixed on the cone part (3) and a second positioning column (9) connected on the first positioning column (8), and the diameter of the second positioning column (9) is smaller than that of the first positioning column (8);
at least two positioning rib plates (10) which are uniformly distributed along the circumferential direction are arranged on the second positioning column (9) and the first positioning column (8);
the outer side surface of the positioning rib plate (10) is an inclined surface structure (11) extending towards the tail end of the second positioning column (9).
4. A tweeter with a phase plug as claimed in claim 3, wherein: the phase plug body (2) is of an integrated structure.
5. A tweeter with a phase plug as in claim 4, wherein: the loudspeaker body (1) comprises a panel structure (12) and a bracket (13) arranged in the panel structure (12);
the bracket (13) is provided with a U-shaped iron (14) and a main magnet (15) arranged at the bottom of the U-shaped iron (14), and the main magnet (15) is connected with a washer (16) and a subsidiary magnet (17) connected with the washer (16);
a fastening piece (18) is coated outside the washer (16) and the main magnet (15), and a magnetic gap (19) is formed between the fastening piece (18) and the U-shaped iron (14);
the voice coil is characterized in that a voice coil (20) and a sound membrane (21) connected to the voice coil (20) are arranged in the magnetic gap (19), the outer ring of the sound membrane (21) is tightly pressed between the panel structure (12) and the bracket (13), and the inner ring of the sound membrane (21) is tightly pressed below the phase plug body (2).
6. A tweeter with a phase plug as in claim 5, wherein: the phase plug further comprises a mounting hole (22) penetrating through the main magnet (15), the auxiliary magnet (17) and the washer (16), the mounting hole (22) is matched with the connecting part (4) to fix the phase plug body (2), and the axis of the phase plug body (2) is coincident with the axis of the loudspeaker body (1).
7. A tweeter with a phase plug as in claim 6, wherein: a plurality of connecting holes (23) which are uniformly distributed along the circumferential direction are formed in the panel structure (12).
8. A tweeter with a phase plug as in claim 7, wherein: the number of the connecting holes (23) is 5, and the connecting holes (23) are step holes.
9. A tweeter with a phase plug as in claim 5, wherein: the sound membrane (21) comprises a first curved surface shell (24) and a second curved surface shell (25) which are sequentially connected, and the connection part of the first curved surface shell (24) and the second curved surface shell (25) is arranged on the voice coil (20);
the curvature of the first curved surface shell (24) is greater than the curvature of the second curved surface shell (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322122416.8U CN220755038U (en) | 2023-08-08 | 2023-08-08 | Tweeter with phase plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322122416.8U CN220755038U (en) | 2023-08-08 | 2023-08-08 | Tweeter with phase plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220755038U true CN220755038U (en) | 2024-04-09 |
Family
ID=90553223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322122416.8U Active CN220755038U (en) | 2023-08-08 | 2023-08-08 | Tweeter with phase plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220755038U (en) |
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2023
- 2023-08-08 CN CN202322122416.8U patent/CN220755038U/en active Active
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