CN109842841B - Loudspeaker device - Google Patents
Loudspeaker device Download PDFInfo
- Publication number
- CN109842841B CN109842841B CN201711210669.3A CN201711210669A CN109842841B CN 109842841 B CN109842841 B CN 109842841B CN 201711210669 A CN201711210669 A CN 201711210669A CN 109842841 B CN109842841 B CN 109842841B
- Authority
- CN
- China
- Prior art keywords
- voice coil
- ring
- elastic wave
- cone
- loop structure
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000004804 winding Methods 0.000 claims abstract description 18
- 238000005452 bending Methods 0.000 claims abstract description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 47
- 229910052742 iron Inorganic materials 0.000 claims description 24
- 239000000428 dust Substances 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 5
- 239000003292 glue Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The invention relates to a loudspeaker device, which relates to the electroacoustic field and comprises a bracket, a cone, a voice coil, a bending ring elastic wave and a magnetic loop structure; the end part of the bracket is provided with a mounting hole, and the magnetic loop structure is arranged in the mounting hole; the voice coil loudspeaker voice coil includes voice coil loudspeaker voice coil pipe and voice coil loudspeaker voice coil wire winding, the voice coil loudspeaker voice coil wire winding extends to in the magnetic loop structure, the voice coil loudspeaker voice coil pipe passes roll over the ring bullet ripples and bond in the cone, roll over the inner wall bonding of ring bullet ripples on the lateral wall of voice coil loudspeaker voice coil pipe, just roll over the ring bullet ripples bonding on the support. According to the loudspeaker device, the voice coil and the magnetic loop structure are arranged inside the support and the sound cone, so that the height of the loudspeaker device is reduced, and the internal installation space of the box body is saved when the box body is assembled.
Description
Technical Field
The invention relates to the electroacoustic field, in particular to a loudspeaker device.
Background
At present, a speaker apparatus has been widely used in every field of life of people, such as various conference halls, theatres, large squares, and the like.
Consumers increasingly prefer small-volume loudspeaker box products which are easy to carry, ultrathin, light and unique in shape, and in view of the limitation of the internal space, the limitation of the height of the traditional loudspeaker device cannot meet the design requirement of a box body, namely, the installation needs to occupy a larger internal space, so that the loudspeaker box is not beneficial to miniaturization of the loudspeaker box.
Disclosure of Invention
The invention aims to solve the technical problems existing in the prior art and provides a loudspeaker device, which mainly solves the problems that the existing loudspeaker device is higher in height and needs larger installation space in a box body.
In order to solve the problems, the invention adopts the following technical scheme:
the invention provides a loudspeaker device, which comprises a bracket, a sound cone, a voice coil, a bending ring elastic wave and a magnetic loop structure;
the end part of the bracket is provided with a mounting hole, and the magnetic loop structure is arranged in the mounting hole;
the voice coil comprises a voice coil tube and a voice coil winding, the voice coil winding extends into the magnetic loop structure, the voice coil tube penetrates through the ring-folding elastic wave and is adhered in the voice cone, the inner wall of the ring-folding elastic wave is adhered on the side wall of the voice coil tube, and the ring-folding elastic wave is adhered on the support; the voice coil is used for pushing the cone to vibrate and sound under the driving force of a magnetic field generated by the magnetic loop structure, and the folded ring elastic wave is used for supporting the cone, providing restoring force for the movement of the voice coil and positioning the voice coil at the center of the magnetic loop structure.
As a further improvement of the invention, an air hole is processed on the inner side of the mounting hole, and the air hole is communicated with the middle part of the bending ring elastic wave; the air holes are used for reinforcing the air flow of the middle parts of the support and the bending ring elastic wave.
As a further improvement of the invention, the bending ring elastic wave is a circular ring-shaped plate, and the inner edge of the bending ring elastic wave is adhered to the side wall of the voice coil pipe through an adhesive.
As a further improvement of the invention, the shape of the middle part of the bending ring elastic wave is arc-shaped.
As a further improvement of the present invention, the cone includes a folded ring and a spherical cone;
the inner end of the folding ring is connected with the spherical basin, and the outer end of the folding ring is fixedly connected to the bracket; the folding ring is used for ensuring the spherical basin to move along the axial direction of the cone, and the spherical basin vibrates and pushes air to emit sound waves;
the end part of the spherical basin is also provided with a middle hole, and the voice coil pipe penetrates through the ring bending elastic wave and is adhered to the middle hole.
As a further improvement of the invention, the shape of the convex curved surface of the folding ring is arc-shaped.
As a further improvement of the present invention, the speaker apparatus further includes a dust cover;
the dustproof cover is adhered to the middle hole, and the dustproof cover is arranged above the middle hole of the spherical basin.
As a further improvement of the invention, the magnetic loop structure comprises U iron, a magnet and a washer;
the U-shaped iron is connected in the bracket, the cross section size of the magnet and the washer is smaller than the size of the inner part of the U-shaped iron, the magnet is arranged in the U-shaped iron, and the washer is placed on the top surface of the magnet.
As a further improvement of the invention, a magnetic gap is formed between the U-iron and the washer, the voice coil winding extends into the magnetic gap, and the voice coil winding moves in a magnetic field in the magnetic gap.
As a further improvement of the invention, the magnet and the washer are of hollow annular structures, a through hole is processed at the bottom of the U-shaped iron, and the holes in the middle parts of the magnet and the washer are communicated with the through hole of the U-shaped iron.
Compared with the prior art, the invention has the beneficial effects that:
in the embodiment of the invention, the voice coil and the magnetic loop structure are arranged inside the bracket and the cone, so that the height of the speaker device is reduced, and the internal installation space of the box body is saved when the box body is assembled.
Drawings
Fig. 1 is an exploded view of a speaker device according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of a speaker apparatus according to an embodiment of the present invention.
Reference numerals illustrate:
100. support frame
110. Mounting hole
111. Air holes
200. Sound basin
210. Folding ring
220. Spherical basin
221. Middle hole
300. Voice coil
310. Voice coil pipe
320. Voice coil winding
400. Bending ring spring wave
410. Cavity body
500. Magnetic loop structure
510 U iron
520. Magnet
530. Washer
540. Magnetic gap
600. Dust-proof cover
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1, an exploded view of a speaker device according to an embodiment of the present invention includes a stand 100, a cone 200, a voice coil 300, a ring-folded damper 400, and a magnetic loop structure 5000
The end part of the bracket 100 is provided with a mounting hole 110, the magnetic loop structure 500 is arranged in the mounting hole 110, the voice coil 300 comprises a voice coil tube 310 and a voice coil winding 320, and the voice coil winding 320 extends into the magnetic loop structure 500; the stand 100 is one of support systems of the speaker apparatus for supporting an overall structure of the speaker apparatus; the magnetic loop structure 500 is a magnetic circuit system of the speaker device, and is used for generating a magnetic field driving force, and the magnetic field driving force acts on the voice coil winding 320; the voice coil pipe 310 passes through the ring-folded elastic wave 400 and is adhered in the cone 200, the inner wall of the ring-folded elastic wave 400 is adhered on the side wall of the voice coil pipe 310, and the ring-folded elastic wave 400 is adhered on the bracket 100; the voice coil 300 is used for pushing the cone 200 to vibrate and sound under the driving force of the magnetic field generated by the magnetic loop structure 500, and the folded ring damper 400 is used for supporting the cone 200, providing restoring force for the movement of the voice coil 300, being positioned at the central position of the magnetic loop structure 500 and providing restoring force for the vibration of the voice coil 300.
In the embodiment of the present invention, the air hole 111 is formed on the inner side of the mounting hole 110, the air hole 111 is communicated with the middle portion of the gimbal elastic wave 400, the air hole 111 is used for enhancing the fluidity and smoothness of air in the middle portion of the bracket 100 and the gimbal elastic wave 400, so that the linear displacement of the gimbal elastic wave 400 is ensured, and even if the voice coil tube 310 connected with the gimbal elastic wave 400 vibrates more balanced during operation.
In the embodiment of the present invention, the cone 200 includes a ring-shaped ring 210 and a spherical cone 220, wherein the inner end of the ring-shaped ring 210 is connected with the spherical cone 220, and the outer end of the ring-shaped ring 210 is fixedly connected to the stand 100; the support 100 is a support system of the speaker device, and the gimbal 210 and the gimbal damper 400 together provide a restoring force for the axial movement of the voice coil 300; the spherical basin 220 is a sound generating component of the speaker device, and the air is pushed to generate sound waves through the vibration of the spherical basin 220; in this embodiment, a middle hole 221 is further formed at the end of the spherical basin 220, the voice coil tube 310 passes through the folded ring elastic wave 400 and is adhered to the middle hole 221, the voice coil tube 310 is located in the spherical basin 220, and the folded ring elastic wave 400 is adhered to the side wall of the voice coil tube 310; in this embodiment, the inner and outer ends of the ring 210 are adhered to the spherical basin 220 and the bracket 100 respectively by adhesive, which includes but is not limited to glue, solid glue, etc. In the embodiment of the present invention, the ring 210 may be made of different materials, such as high molecular polymers, according to specific processing requirements; the spherical basin 220 is hemispherical, and sound waves emitted by self vibration of the spherical basin can radiate into surrounding air, namely, sound wave radiation through a spherical surface is realized, compared with a traditional cone-shaped loudspeaker, the directivity of sound wave radiation of the loudspeaker device is improved, and therefore the loudspeaker characteristics are improved; in the embodiment, the convex curved surface of the ring 210 is arc-shaped, and the height and width of the semi-arc shape in this embodiment can be adjusted according to the rigidity requirement.
Referring to fig. 2, which is a cross-sectional view of the speaker device according to the embodiment of the present invention, the gimbal elastic wave 400 is a circular plate, an inner edge of the gimbal elastic wave 400 is connected to a side wall of the voice coil pipe 310, and the inner edge of the gimbal elastic wave 400 is bonded to the side wall of the voice coil pipe 310 by an adhesive; in this embodiment, the middle portion of the ring-folded elastic wave 400 has an arc shape, and a cavity 410 is disposed in the middle portion, and the cavity 410 is communicated with the air hole 111; in this embodiment, the air in the cavity 410 circulates through the air hole 111, so as to ensure that the voice coil tube 310 connected to the gimbal elastic wave 400 vibrates more uniformly during operation.
In the embodiment of the present invention, the concentricity of the magnetic loop structure 500 is consistent with the concentricity of the support 100, so as to ensure that the magnetic loop structure 500 does not deviate in the internal space of the support 100; the magnetic loop structure 500 in this embodiment includes a U-shaped iron 510, a magnet 520, and a washer 530; the U-shaped iron 510 is connected in the bracket 100, the cross-sectional dimensions of the magnet 520 and the washer 530 are smaller than the internal dimension of the U-shaped iron 510, the magnet 520 is arranged in the U-shaped iron 510, and the washer 530 is placed on the top surface of the magnet 520; in this embodiment, the U-shaped iron 510 and the magnet 520, and the magnet 520 and the washer 530 are all adhered and fixed by an adhesive, which includes, but is not limited to, glue, solid glue, etc., and in some embodiments, may be fixed by other means, such as riveting, welding, etc., which is not limited in this embodiment.
In the embodiment of the present invention, a magnetic gap 540 is formed between the U-shaped iron 510 and the washer 530, the voice coil winding 320 extends into the magnetic gap 540, that is, the voice coil winding 320 is disposed in a magnetic field in the magnetic gap 540, and when an external sound current signal is introduced into the voice coil winding 320 through a wire, the voice coil winding 320 moves in the magnetic field in the magnetic gap 540, so as to drive the cone 200 to vibrate and emit sound waves.
In this embodiment, the magnet 520 and the washer 530 are hollow ring structures, a through hole is formed at the bottom of the U-shaped iron 510, and the holes in the middle parts of the magnet 520 and the washer 530 are communicated with the through hole of the U-shaped iron 510; the holes of the U-shaped iron 510, the magnet 520 and the washer 530 are communicated with the space inside the support 100, so as to ensure that the air flow between the space inside the support 100 and the folded ring damper 400 is smooth, which is beneficial to improving the nonlinear distortion of the speaker device.
In the embodiment of the present invention, the speaker device further includes a dust cover 600, the shape of the dust cover 600 is matched with the shape of the middle hole 221, the dust cover 600 is adhered to the middle hole 221 by glue, and the dust cover 600 is disposed above the middle hole of the spherical basin 220, and the dust cover 600 is used for covering the inner space of the basin 200, preventing foreign matters from entering the magnetic gap 540 and adhering to the basin 200, so as to enhance the strength of the basin 200 and beautify the appearance.
In the embodiment of the present invention, the speaker device is configured to reduce the height of the speaker device by installing the voice coil 300 and the magnetic loop structure 500 inside the supporter 100 and the tub 200, so that the internal installation space of the case is saved when the case is assembled; in this embodiment, the cone 200 is a hemispherical end surface, so that sound waves emitted by self vibration can radiate into the surrounding air, that is, sound wave radiation through a spherical surface is realized, and compared with a traditional cone-shaped loudspeaker, the directivity of the loudspeaker device in this embodiment is improved, and the loudspeaker characteristics are improved.
In this embodiment, it will be understood by those skilled in the art that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that elements are not expressly listed but may include other elements not; the terms front, rear, upper, lower, etc. are defined by the positions of the structures in the drawings and the structures relative to each other, only for the sake of clarity and convenience in expressing the technical solution. It should be understood that the use of such orientation terms should not limit the scope of the protection sought herein.
The technical features of the above-described embodiments may be arbitrarily combined, and for brevity of description, all of the possible combinations of the technical features of the above-described embodiments are not described, however, as long as there is no contradiction between the combinations of the technical features, they should be regarded as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in more detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (9)
1. A speaker apparatus characterized in that: comprises a bracket, a sound basin, a voice coil, a bending ring elastic wave and a magnetic loop structure;
the support arches towards the cone to form an end part, the end part is positioned in the cone, a mounting hole is formed in the end part of the support, and the magnetic loop structure is arranged in the mounting hole;
the voice coil comprises a voice coil tube and a voice coil winding, the voice coil winding extends into the magnetic loop structure, the voice coil tube penetrates through the ring-folding elastic wave and is adhered in the voice cone, the inner wall of the ring-folding elastic wave is adhered on the side wall of the voice coil tube, and the ring-folding elastic wave is adhered on the support; the voice coil is used for pushing the cone to vibrate and sound under the driving force of a magnetic field generated by the magnetic loop structure, and the folded ring elastic wave is used for supporting the cone, providing restoring force for the movement of the voice coil and positioning the voice coil at the central position of the magnetic loop structure;
an air hole is formed in the inner side of the mounting hole and is communicated with the middle part of the bending ring elastic wave; the air holes are used for reinforcing the air flow of the middle parts of the support and the bending ring elastic wave.
2. A loudspeaker device according to claim 1, wherein: the ring bending elastic wave is a circular ring-shaped plate, and the inner edge of the ring bending elastic wave is bonded with the side wall of the voice coil pipe through an adhesive.
3. A loudspeaker device according to claim 2, wherein: the shape of the middle part of the bending ring elastic wave is arc-shaped.
4. A loudspeaker device according to claim 1, wherein: the cone comprises a folded ring and a spherical cone;
the inner end of the folding ring is connected with the spherical basin, and the outer end of the folding ring is fixedly connected to the bracket; the folding ring is used for enabling the spherical basin to move along the axial direction of the cone, and the spherical basin vibrates and pushes air to emit sound waves;
the end part of the spherical basin is also provided with a middle hole, and the voice coil pipe penetrates through the ring bending elastic wave and is adhered to the middle hole.
5. The speaker apparatus according to claim 4, wherein: the shape of the convex curved surface of the folding ring is arc-shaped.
6. The speaker apparatus according to claim 4, wherein: the speaker apparatus further includes a dust cover;
the dustproof cover is adhered to the middle hole, and the dustproof cover is arranged above the middle hole of the spherical basin.
7. A loudspeaker device according to claim 1, wherein: the magnetic loop structure comprises U iron, a magnet and a washer;
the U-shaped iron is connected in the bracket, the cross section size of the magnet and the washer is smaller than the size of the inner part of the U-shaped iron, the magnet is arranged in the U-shaped iron, and the washer is placed on the top surface of the magnet.
8. The speaker apparatus according to claim 7, wherein: and magnetic gaps are formed between the U-shaped iron and the washer, the voice coil winding extends into the magnetic gaps, and the voice coil winding moves in a magnetic field in the magnetic gaps.
9. The speaker apparatus according to claim 7, wherein: the magnet and the washer are of hollow annular structures, a through hole is formed in the bottom of the U-shaped iron, and the hole in the middle of the magnet and the washer is communicated with the through hole of the U-shaped iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711210669.3A CN109842841B (en) | 2017-11-27 | 2017-11-27 | Loudspeaker device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711210669.3A CN109842841B (en) | 2017-11-27 | 2017-11-27 | Loudspeaker device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109842841A CN109842841A (en) | 2019-06-04 |
| CN109842841B true CN109842841B (en) | 2024-04-02 |
Family
ID=66879378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711210669.3A Active CN109842841B (en) | 2017-11-27 | 2017-11-27 | Loudspeaker device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109842841B (en) |
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| Publication number | Publication date |
|---|---|
| CN109842841A (en) | 2019-06-04 |
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