CN220457591U - Horn with horn body - Google Patents
Horn with horn body Download PDFInfo
- Publication number
- CN220457591U CN220457591U CN202322020942.3U CN202322020942U CN220457591U CN 220457591 U CN220457591 U CN 220457591U CN 202322020942 U CN202322020942 U CN 202322020942U CN 220457591 U CN220457591 U CN 220457591U
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- arc
- voice coil
- shaped portion
- magnetic induction
- plate
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- 238000013016 damping Methods 0.000 claims abstract description 28
- 230000006698 induction Effects 0.000 claims description 20
- 239000000428 dust Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model relates to a loudspeaker, comprising: support, voice coil loudspeaker voice coil and vibrating diaphragm are provided with the book ring on the second end through the vibrating diaphragm, the first end of the first arc portion of book ring is connected with the second end of vibrating diaphragm, the first end of the second arc portion of book ring and the second end of first arc portion, the second end of second arc portion is connected with the second side of support, and first arc portion and second arc portion are asymmetric setting, the cross-section radius of first arc portion is less than the cross-section radius of second arc portion, damping when can increase the basin upward movement like this for the basin upward movement receives the power symmetry with the basin downward movement receives the power, can avoid appearing sound distortion and unclear condition effectively, have better acoustics effect.
Description
Technical Field
The utility model relates to the technical field of speakers, in particular to a loudspeaker.
Background
The loudspeaker is a very common sound amplifying device, is a modern electroacoustic component, and is used for converting an electric signal into sound, when audio current is transmitted to the coil, the coil generates a magnetic field to interact with the magnetic field of the magnet to drive the vibrating diaphragm to vibrate, and because the audio current changes at any time, the coil of the loudspeaker moves forwards or backwards, so that a cone of the loudspeaker moves along with the sound, and the degree of air density changes to generate sound.
The loudspeaker unit of the closed sound box is arranged in a completely closed box body, and because the volume of the box body is smaller, when the cone moves downwards, the air resistance is larger, so that the force applied to the downward movement of the cone and the force applied to the upward movement of the cone are asymmetric, and the phenomena of sound distortion and unclear are easy to occur.
Disclosure of Invention
Based on this, it is necessary to provide a horn.
The technical scheme for solving the technical problems is as follows: a horn, comprising: the device comprises a bracket, a voice coil and a vibrating diaphragm;
the first side of the bracket is provided with a magnetic conduction assembly and a magnet, and an annular gap is formed between the magnetic conduction assembly and the magnet at intervals;
the voice coil is movably arranged in the bracket, the first end of the voice coil is movably arranged in the annular gap, the second end of the voice coil is connected with the first end of the vibrating diaphragm, and the second end of the vibrating diaphragm is provided with a folding ring;
the folding ring comprises: the vibration diaphragm comprises a first arc-shaped portion and a second arc-shaped portion, wherein the first end of the first arc-shaped portion is connected with the second end of the vibration diaphragm, the second end of the first arc-shaped portion is connected with the first end of the second arc-shaped portion, the second end of the second arc-shaped portion is connected with the second side of the support, the first arc-shaped portion and the second arc-shaped portion are asymmetrically arranged, and the section radius of the first arc-shaped portion is smaller than that of the second arc-shaped portion.
In one embodiment, the thickness of the first arcuate portion is greater than the thickness of the second arcuate portion.
In one embodiment, the first arc-shaped portion is provided with a plurality of damping protrusions, and each damping protrusion is uniformly distributed on the first side of the folding ring.
In one embodiment, the number of damping protrusions is set to an even number.
In one embodiment, the number of damping protrusions is set to twelve.
In one embodiment, the magnetically permeable assembly comprises: the magnetic induction device comprises an upper magnetic induction plate and a lower magnetic induction plate, wherein the first side of the upper magnetic induction plate is connected with the first side of the support, the first side of the magnet is connected with the second side of the upper magnetic induction plate, the first end of the lower magnetic induction plate is inserted into the magnet and the upper magnetic induction plate, and an annular gap is formed between the lower magnetic induction plate and the magnet and between the lower magnetic induction plate and the upper magnetic induction plate.
In one embodiment, the horn further comprises: the voice coil comprises a first terminal plate and a second terminal plate, wherein the first terminal plate is electrically connected with a first end of the voice coil, and the second terminal plate is electrically connected with a second end of the voice coil.
In one embodiment, the bracket is provided with a fixing block, and the first terminal plate and the second terminal plate are arranged on the fixing block at intervals.
In one embodiment, the voice coil is provided with a damper, an inner side wall of the damper is connected with the voice coil, and an outer side wall of the damper is connected with the bracket.
In one embodiment, the voice coil is provided with a dust cap.
The beneficial effects of the utility model are as follows: according to the loudspeaker provided by the utility model, the second end of the vibrating diaphragm is provided with the folding ring, the first end of the first arc-shaped part of the folding ring is connected with the second end of the vibrating diaphragm, the first end of the second arc-shaped part of the folding ring is connected with the second end of the first arc-shaped part, the second end of the second arc-shaped part is connected with the second side of the bracket, the first arc-shaped part and the second arc-shaped part are asymmetrically arranged, and the radius of the section of the first arc-shaped part is smaller than that of the second arc-shaped part, so that the damping of the cone during upward movement can be increased, the force applied to the upward movement of the cone is symmetrical with the force applied to the downward movement of the cone, the situation of sound distortion and unclear can be effectively avoided, and the loudspeaker has a better acoustic effect.
Drawings
FIG. 1 is a schematic diagram of a horn according to one embodiment;
FIG. 2 is a schematic perspective exploded view of a horn according to one embodiment;
FIG. 3 is a schematic cross-sectional view of a horn according to one embodiment;
fig. 4 is an enlarged schematic view of the structure at a in fig. 3.
In the attached drawings, 10, a loudspeaker; 100. a bracket; 200. a voice coil; 300. a vibrating diaphragm; 400. a folding ring; 410. a first arc-shaped portion; 411. damping protrusion; 420. a second arc-shaped portion; 500. a lower magnetic conductive plate; 600. an upper magnetic conductive plate; 610. a magnet; 700. a fixed block; 710. a first terminal board; 720. a second terminal plate; 800. a flick wave; 900. a dust cap.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The technical solution of the present utility model will be further described below with reference to the accompanying drawings of the embodiments of the present utility model, and the present utility model is not limited to the following specific embodiments.
It should be understood that the same or similar reference numerals in the drawings of the embodiments correspond to the same or similar components. In the description of the present utility model, it should be understood that, if there are terms such as "upper", "lower", "front", "rear", "left", "right", "top", "bottom", etc., that indicate an azimuth or a positional relationship based on the directions or the positional relationships shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but not for indicating or suggesting that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, so that the terms describing the positional relationship in the drawings are merely for exemplary illustration and should not be construed as limitations of the present patent, and that the specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.
In one embodiment, as shown in fig. 1, 2, 3 and 4, a horn 10 includes: bracket 100, voice coil 200, and diaphragm 300; a magnetic conduction assembly and a magnet 610 are arranged on the first side of the bracket 100, and an annular gap is formed between the magnetic conduction assembly and the magnet 610 at intervals; the voice coil 200 is movably arranged in the bracket 100, a first end of the voice coil 200 is movably arranged in the annular gap, a second end of the voice coil 200 is connected with a first end of the vibrating diaphragm 300, and a bending ring 400 is arranged at a second end of the vibrating diaphragm 300; the hinge 400 includes: the first end of the first arc-shaped portion 410 is connected with the second end of the diaphragm 300, the second end of the first arc-shaped portion 410 is connected with the first end of the second arc-shaped portion 420, the second end of the second arc-shaped portion 420 is connected with the second side of the support 100, the first arc-shaped portion 410 and the second arc-shaped portion 420 are asymmetrically arranged, and the radius of the section of the first arc-shaped portion 410 is smaller than that of the section of the second arc-shaped portion 420.
In this embodiment, the voice coil 200 is movably disposed in the bracket 100, and the first end of the voice coil 200 is movably disposed in the annular gap, the voice coil 200 is forced to move up and down in the annular gap, that is, the magnetic field generated after the voice coil 200 is energized interacts with the magnetic field generated by the magnet 610, because the audio current changes at any time, that is, by changing the current direction or the current magnitude, the voice coil 200 can move up and down to drive the diaphragm 300 to move, and the up and down movement of the diaphragm can change the density of the air to generate sound.
In this embodiment, a ring 400 is disposed at the second end of the diaphragm 300, the diaphragm 300 and the ring 400 form a cone, the first end of the first arc portion 410 of the ring 400 is connected with the second end of the diaphragm 300, the first end of the second arc portion 420 of the ring 400 is connected with the second end of the first arc portion 410, the second end of the second arc portion 420 is connected with the second side of the bracket 100, the first arc portion 410 and the second arc portion 420 are asymmetrically disposed, the central angle corresponding to the arc length of the cross section of the first arc portion 410 is 90 degrees, the central angle corresponding to the arc length of the cross section of the second arc portion 420 is 90 degrees, the radius R of the cross section of the first arc-shaped part 410 is smaller than the radius R of the cross section of the second arc-shaped part 420, that is, the arc length of the cross section of the first arc-shaped part 410 is smaller than the arc length of the cross section of the second arc-shaped part 420, that is, the vertical height between the first end of the first arc-shaped part 410 and the bracket 100 is larger than the vertical height between the second end of the second arc-shaped part 420 and the bracket 100, and the vertical height between the second end of the second arc-shaped part 420 and the bracket 100 is zero, so that the damping of the upward movement of the cone can be increased, the upward movement force of the cone is symmetrical to the downward movement force of the cone, the occurrence of sound distortion and unclear conditions can be effectively avoided, and the sound effect is better.
In one embodiment, as shown in fig. 4, the thickness of the first curved portion 410 is greater than the thickness of the second curved portion 420. Specifically, the bellows 400 can provide a supporting function for the diaphragm 300 and simultaneously provide damping for the vibration system, by setting the thickness of the first arc portion 410 to be greater than the thickness of the second arc portion 420, the damping on the side of the first arc portion 410 can be increased, so that the damping when the cone moves upward can be increased, i.e. the stroke of the first arc portion 410 can be changed, so that the force applied to the upward movement of the cone in the completely closed box is symmetrical to the force applied to the downward movement of the cone, to ensure that the cone provides more symmetrical Kms when moving up and down, where kms=1/Cms, cms (force compliance) refers to the compliance of the supporting component of the vibration system of the loudspeaker, kms represents the relationship between the displacement and the force of the vibration system when the voice coil 200 deviates from the center position in the loudspeaker 10 working state, and the symmetrical Kms curve can effectively avoid occurrence of sound distortion and unclear conditions, and has better acoustic effects.
In one embodiment, as shown in fig. 1, the first arc portion 410 is provided with a plurality of damping protrusions 411, and each damping protrusion 411 is uniformly distributed on the first side of the folding ring 400. Specifically, by uniformly providing the plurality of damping protrusions 411 on the first arc portion 410, damping of the side of the first arc portion 410 can be further increased, and thus, damping of the cone during upward movement can be further increased, so that a force applied to the upward movement of the cone in the completely closed case is symmetrical with a force applied to the downward movement of the cone, thereby ensuring that the cone provides more symmetrical Kms during upward and downward movement.
In one embodiment, the number of the damping protrusions 411 is set to an even number. Specifically, by setting the number of the damping protrusions 411 to an even number, so that the respective damping protrusions 411 are symmetrically disposed on the first arc-shaped portion 410, the damping of the one side of the first arc-shaped portion 410 can be uniformly increased, and the first arc-shaped portion 410 can be uniformly stressed when the horn 10 is in the operating state.
In one embodiment, the number of the damping protrusions 411 is set to twelve. Specifically, twelve damping protrusions 411 are uniformly distributed on the first arc portion 410, and are symmetrically disposed between each other, that is, the distances between every two adjacent damping protrusions 411 are equal, so that the damping of the side of the first arc portion 410 can be further uniformly increased.
In one embodiment, as shown in fig. 2, the magnetic conductive assembly includes: the upper magnetic conduction plate 600 and the lower magnetic conduction plate 500, the first side of the upper magnetic conduction plate 600 is connected with the first side of the bracket 100, the first side of the magnet 610 is connected with the second side of the upper magnetic conduction plate 600, the first end of the lower magnetic conduction plate 500 is inserted into the magnet 610 and the upper magnetic conduction plate 600, and the annular gap is formed between the lower magnetic conduction plate 500 and the magnet 610 and between the lower magnetic conduction plate 600. Specifically, the upper magnetic plate 600 and the magnet 610 are annular, the lower magnetic plate 500 is a T-shaped magnetic plate, the first surface of the upper magnetic plate 600 is connected to the first side of the support 100, the second surface of the upper magnetic plate 600 is connected to the first surface of the magnet 610, the first end of the lower magnetic plate 500 is connected to the second surface of the magnet 610, the second end of the lower magnetic plate 500 is inserted into the magnet 610 and the upper magnetic plate 600, the second end of the lower magnetic plate 500 is spaced from the inner side wall of the magnet 610 and the inner side wall of the upper magnetic plate 600 to form an annular gap, the upper magnetic plate 600 and the lower magnetic plate 500 can concentrate the magnetic energy of the magnet 610 in the annular gap, and the magnetic field generated after the voice coil 200 is electrified interacts with the magnetic field formed by the magnet 610, so that the voice coil 200 moves up and down to drive the diaphragm 300 to move to generate sound.
In one embodiment, as shown in fig. 2, the horn 10 further includes: a first terminal plate 710 and a second terminal plate 720, the first terminal plate 710 being electrically connected to a first end of the voice coil 200, and the second terminal plate 720 being electrically connected to a second end of the voice coil 200. Specifically, by providing the first terminal plate 710 and the second terminal plate 720, the voice coil 200 can be energized to generate a magnetic field to interact with the magnetic field of the magnet 610, so that the voice coil 200 can move up and down to drive the diaphragm 300 to move.
In one embodiment, as shown in fig. 1, the bracket 100 is provided with a fixing block 700, and the first terminal plate 710 and the second terminal plate 720 are disposed on the fixing block 700 at intervals. Specifically, the fixing block 700 is provided on the bracket 100, and the first terminal plate 710 and the second terminal plate 720 are provided on the fixing block 700 at intervals, so that the first terminal plate 710 and the second terminal plate 720 can be stably fixed, and the first terminal plate 710 and the second terminal plate 720 can be stably electrically connected to the voice coil 200.
In one embodiment, as shown in fig. 2, the voice coil 200 is provided with a damper 800, an inner sidewall of the damper 800 is connected to the voice coil 200, and an outer sidewall of the damper 800 is connected to the bracket 100. Specifically, the damper 800 has a ring-shaped structure, and by providing the damper 800, the correct position of the voice coil 200 in the magnetic gap can be maintained, so that the voice coil 200 can stably reciprocate in the axial direction when being stressed.
In one embodiment, as shown in fig. 2, the voice coil 200 is provided with a dust cap 900. Specifically, the end of the voice coil 200 away from the magnet 610 is provided with the dust cap 900, that is, the dust cap 900 is provided on the second end of the voice coil 200, so that dust can be prevented from entering the voice coil 200, and the frequency response curve of the loudspeaker 10 can be improved.
It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (10)
1. A loudspeaker, comprising: the device comprises a bracket, a voice coil and a vibrating diaphragm;
the first side of the bracket is provided with a magnetic conduction assembly and a magnet, and an annular gap is formed between the magnetic conduction assembly and the magnet at intervals;
the voice coil is movably arranged in the bracket, the first end of the voice coil is movably arranged in the annular gap, the second end of the voice coil is connected with the first end of the vibrating diaphragm, and the second end of the vibrating diaphragm is provided with a folding ring;
the folding ring comprises: the vibration diaphragm comprises a first arc-shaped portion and a second arc-shaped portion, wherein the first end of the first arc-shaped portion is connected with the second end of the vibration diaphragm, the second end of the first arc-shaped portion is connected with the first end of the second arc-shaped portion, the second end of the second arc-shaped portion is connected with the second side of the support, the first arc-shaped portion and the second arc-shaped portion are asymmetrically arranged, and the section radius of the first arc-shaped portion is smaller than that of the second arc-shaped portion.
2. The horn of claim 1, wherein the thickness of the first arcuate portion is greater than the thickness of the second arcuate portion.
3. The horn of claim 1, wherein the first arcuate portion is provided with a plurality of damping projections, each of the damping projections being uniformly distributed on the first side of the bellows.
4. A horn according to claim 3, wherein the number of damping projections is set to an even number.
5. The horn of claim 4, wherein the number of damping projections is set to twelve.
6. The loudspeaker of claim 1, wherein the magnetically permeable assembly comprises: the magnetic induction device comprises an upper magnetic induction plate and a lower magnetic induction plate, wherein the first side of the upper magnetic induction plate is connected with the first side of the support, the first side of the magnet is connected with the second side of the upper magnetic induction plate, the first end of the lower magnetic induction plate is inserted into the magnet and the upper magnetic induction plate, and an annular gap is formed between the lower magnetic induction plate and the magnet and between the lower magnetic induction plate and the upper magnetic induction plate.
7. The horn according to claim 1, further comprising: the voice coil comprises a first terminal plate and a second terminal plate, wherein the first terminal plate is electrically connected with a first end of the voice coil, and the second terminal plate is electrically connected with a second end of the voice coil.
8. The horn according to claim 7, wherein a fixing block is provided on the bracket, and the first terminal plate and the second terminal plate are provided on the fixing block at intervals.
9. The loudspeaker of claim 1, wherein the voice coil is provided with a damper, an inner side wall of the damper is connected to the voice coil, and an outer side wall of the damper is connected to the bracket.
10. The loudspeaker of claim 1, wherein the voice coil is provided with a dust cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322020942.3U CN220457591U (en) | 2023-07-28 | 2023-07-28 | Horn with horn body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322020942.3U CN220457591U (en) | 2023-07-28 | 2023-07-28 | Horn with horn body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220457591U true CN220457591U (en) | 2024-02-06 |
Family
ID=89729759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322020942.3U Active CN220457591U (en) | 2023-07-28 | 2023-07-28 | Horn with horn body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220457591U (en) |
-
2023
- 2023-07-28 CN CN202322020942.3U patent/CN220457591U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |