CN220606075U - Sound generating device and loudspeaker - Google Patents
Sound generating device and loudspeaker Download PDFInfo
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- CN220606075U CN220606075U CN202322191073.0U CN202322191073U CN220606075U CN 220606075 U CN220606075 U CN 220606075U CN 202322191073 U CN202322191073 U CN 202322191073U CN 220606075 U CN220606075 U CN 220606075U
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- housing
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- ring sleeve
- heat insulation
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- 238000009413 insulation Methods 0.000 claims abstract description 25
- 238000010276 construction Methods 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 description 4
- 230000003993 interaction Effects 0.000 description 3
- 230000005236 sound signal Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The application provides a sound generating device and loudspeaker, foretell sound generating device includes casing and sound generating component. The shell is provided with a containing cavity and a sound guide hole which are communicated. The sound generation assembly comprises an electromagnetic seat, a coil, a heat insulation ring sleeve and a vibrating diaphragm, wherein the electromagnetic seat is arranged in the accommodating cavity, so that the shell is connected with the electromagnetic seat, a coil limiting ring groove is formed in the electromagnetic seat, the heat insulation ring sleeve is arranged in the coil limiting ring groove, the coil is arranged in the heat insulation ring sleeve, so that the coil is connected with the heat insulation ring sleeve, one end of the heat insulation ring sleeve is movably connected with the electromagnetic seat, the other end of the heat insulation ring sleeve is fixedly connected with the vibrating diaphragm, and the vibrating diaphragm is arranged at the opening of the shell, so that the vibrating diaphragm is fixedly connected with the shell.
Description
Technical Field
The utility model relates to the field of loudspeakers, in particular to a sound generating device and a loudspeaker.
Background
The loudspeaker, also called loudspeaker, is a very common electroacoustic transducer element, which is visible in the electronic circuit of the sound. The working principle is as follows: when an alternating audio current is passed through the coil of the loudspeaker (also called voice coil in the loudspeaker), a corresponding magnetic field is generated in the voice coil. This magnetic field interacts with the magnetic field generated by the permanent magnet on the speaker itself. This force then causes the voice coil to vibrate with the audio current in the magnetic field of the speaker's own permanent magnet. The diaphragm and voice coil of the speaker are connected together, so that the diaphragm also vibrates. The vibration produces the same sound as the original audio signal waveform.
However, the voice coil loudspeaker voice coil can produce a large amount of heat after the circular telegram, and a large amount of heat can transmit to the vibrating diaphragm, and the vibrating diaphragm appears softening the situation easily under permanent heat contact and leads to the elasticity of vibrating diaphragm to weaken to lead to the tone quality of loudspeaker's output impaired easily, so make the operational reliability of loudspeaker obviously decline, still shorten loudspeaker's life even.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide the sound generating device and the loudspeaker with better use reliability and longer service life.
The aim of the utility model is realized by the following technical scheme:
a sound emitting device comprising:
the shell is provided with a containing cavity and a sound guide hole which are communicated with each other;
the sound generation assembly comprises an electromagnetic seat, a coil, a heat insulation ring sleeve and a vibrating diaphragm, wherein the electromagnetic seat is arranged in the accommodating cavity, so that the shell is connected with the electromagnetic seat, a coil limiting ring groove is formed in the electromagnetic seat, the heat insulation ring sleeve is arranged in the coil limiting ring groove, the coil is arranged in the heat insulation ring sleeve, so that the coil is connected with the heat insulation ring sleeve, one end of the heat insulation ring sleeve is movably connected with the electromagnetic seat, the other end of the heat insulation ring sleeve is fixedly connected with the vibrating diaphragm, and the vibrating diaphragm is arranged at the opening of the shell, so that the vibrating diaphragm is fixedly connected with the shell.
In one embodiment, the housing includes a first housing and a second housing, the first housing and the second housing being connected, the second housing being formed with the receiving chamber and the sound guide hole in communication.
In one embodiment, the diaphragm is disposed at an opening of the second housing, so that the diaphragm is fixedly connected with the second housing.
In one embodiment, the second housing is provided with a plurality of fixed mounting holes.
In one embodiment, the first housing and the second housing are integrally formed.
In one embodiment, the second housing is further provided with a wire slot, and the wire slot is communicated with the accommodating cavity.
In one embodiment, the other end of the heat insulation ring sleeve is fixedly connected to the center of the vibrating diaphragm.
In one embodiment, the other end of the insulating ring sleeve is bonded to the diaphragm.
In one embodiment, the housing is a cylindrical structure.
A horn comprising a sound emitting device as in any one of the above embodiments.
Compared with the prior art, the utility model has at least the following advantages:
1. because the electromagnetic seat can be externally connected with a power supply, the electromagnetic seat can be electrically connected with the coil, the coil can generate a magnetic field when alternating current audio current is introduced, and because the electromagnetic seat carries the magnetic field, the two magnetic fields generate interaction force, the coil vibrates, and therefore the vibrating diaphragm is driven to vibrate to generate sound, and the sound generating function of the sound generating device can be realized.
2. Because the coil is arranged in the heat-insulating ring sleeve, the heat transfer generated by the coil can be reduced by the heat-insulating ring sleeve to the vibrating diaphragm, the heat-insulating performance of the coil and the vibrating diaphragm is improved, the heat bearing capacity of the vibrating diaphragm is obviously reduced, the condition that the vibrating diaphragm is softened can be effectively reduced, the use reliability of the sound generating device is effectively improved, and the service life of the sound generating device is effectively prolonged.
3. Because the shell is provided with the sound guide hole, the sound guide hole can not only effectively promote the low-frequency output of the sound production device, but also can conduct the heat generated by the electromagnetic seat and the coil during use.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a sound generating device according to an embodiment;
FIG. 2 is a schematic view of a part of the sound generating apparatus shown in FIG. 1;
FIG. 3 is a schematic view of a part of the sound generating apparatus shown in FIG. 2;
FIG. 4 is a partial cross-sectional view of the sound emitting device of FIG. 1;
FIG. 5 is a schematic view of a part of the sound emitting device shown in FIG. 1;
FIG. 6 is a schematic view of a part of the sound emitting device shown in FIG. 1;
fig. 7 is another view of fig. 6.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the utility model. This utility model 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.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
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 utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The application provides a sound generating device including a housing and a sound generating assembly. The shell is provided with a containing cavity and a sound guide hole which are communicated. The sound generation assembly comprises an electromagnetic seat, a coil, a heat insulation ring sleeve and a vibrating diaphragm, wherein the electromagnetic seat is arranged in the accommodating cavity, so that the shell is connected with the electromagnetic seat, a coil limiting ring groove is formed in the electromagnetic seat, the heat insulation ring sleeve is arranged in the coil limiting ring groove, the coil is arranged in the heat insulation ring sleeve, so that the coil is connected with the heat insulation ring sleeve, one end of the heat insulation ring sleeve is movably connected with the electromagnetic seat, the other end of the heat insulation ring sleeve is fixedly connected with the vibrating diaphragm, and the vibrating diaphragm is arranged at the opening of the shell, so that the vibrating diaphragm is fixedly connected with the shell.
Referring to fig. 1-7, for a better understanding of the sound generating apparatus 10 of the present application, the sound generating apparatus 10 is further explained as follows:
the sound generating device 10 of an embodiment includes a housing 100 and a sound generating assembly 200. The housing 100 is formed with a receiving chamber 102 and a sound guide hole 104 in communication. The sound generating assembly 200 includes an electromagnetic seat 210, a coil 220, a heat-insulating ring sleeve 230 and a vibrating diaphragm 240, wherein the electromagnetic seat 210 is disposed in the accommodating cavity 102, so that the housing 100 is connected with the electromagnetic seat 210, the electromagnetic seat 210 is provided with a coil limiting ring groove 212, the heat-insulating ring sleeve 230 is disposed in the coil limiting ring groove 212, the coil 220 is disposed in the heat-insulating ring sleeve 230, so that the coil 220 is connected with the heat-insulating ring sleeve 230, one end of the heat-insulating ring sleeve 230 is movably connected with the electromagnetic seat 210, the other end of the heat-insulating ring sleeve 230 is fixedly connected with the vibrating diaphragm 240, and the vibrating diaphragm 240 is disposed at an opening of the housing 100, so that the vibrating diaphragm 240 is fixedly connected with the housing 100.
In this embodiment, since the electromagnetic seat 210 can be externally connected with a power supply, the electromagnetic seat 210 can be electrically connected with the coil 220, the coil 220 can generate a magnetic field when an ac audio current is introduced, and since the electromagnetic seat 210 carries the magnetic field, the two magnetic fields generate an interaction force, so that the coil 220 vibrates in the coil limiting ring groove 212, thereby driving the vibrating diaphragm 240 to vibrate to generate sound, and thus the sound generating function of the sound generating device 10 can be realized.
Further, since the coil 220 is disposed in the heat-insulating ring sleeve 230, the heat-insulating ring sleeve 230 can reduce the heat generated by the coil 220 and transfer the heat to the diaphragm 240, so that the heat-insulating performance of the coil 220 and the diaphragm 240 is improved, the heat-bearing capacity of the diaphragm 240 is obviously reduced, the softening condition of the diaphragm 240 can be effectively reduced, the use reliability of the sound-producing device 10 is effectively improved, and the service life of the sound-producing device 10 is effectively prolonged.
Further, since the housing 100 is provided with the sound guiding hole 104, the sound guiding hole 104 not only can effectively promote the low frequency output of the sound generating device 10, but also the heat generated by the electromagnetic base 210 and the coil 220 during use can be conducted out through the sound guiding hole 104.
As shown in fig. 6, in one embodiment, the housing 100 includes a first housing 110 and a second housing 120, the first housing 110 and the second housing 120 are connected, and the second housing 120 is formed with the receiving chamber 102 and the sound guide hole 104 which are in communication. It will be appreciated that the first housing 110 acts as a barrier, thus effectively protecting the diaphragm 240.
As shown in fig. 1 and 6, in one embodiment, the diaphragm 240 is disposed at an opening of the second housing 120, so that the diaphragm 240 is fixedly connected to the second housing 120.
As shown in fig. 6 and 7, in one embodiment, the second housing 120 is provided with a plurality of fixing holes 122. It will be appreciated that the mounting holes 122 are means for securing the sound emitting device 10 to the application to which it is to be put.
As shown in fig. 6 and 7, in one embodiment, the first housing 110 and the second housing 120 are integrally formed. It can be appreciated that this results in better structural stability of the first housing 110 and the second housing 120.
As shown in fig. 6, in one embodiment, the second housing 120 is further provided with a wire slot 124, and the wire slot 124 is in communication with the accommodating cavity 102. It is understood that the power connection line of the electromagnetic base 210 is led out through the wire slot 124 and can be externally connected with a power element.
As shown in fig. 1 and 4, in one embodiment, the other end of the insulating ring sleeve 230 is fixedly connected to the center of the diaphragm 240. It can be understood that, since the coil limit ring groove 212 is disposed at the center of the electromagnetic seat 210, and the center of the diaphragm 240 is the main output point of vibration, the coil 220 vibrates to drive the center of the diaphragm 240 to vibrate and output, so that the same sound as the audio signal can be generated.
As shown in fig. 1 and 4, in one embodiment, the other end of the insulating ring sleeve 230 is bonded to the diaphragm 240. It will be appreciated that the insulating ring cover 230 and the diaphragm 240 are bonded together by an adhesive, so that the connection stability of the insulating ring cover 230 and the diaphragm 240 can be ensured.
In one embodiment, as shown in fig. 6, the housing 100 is a cylindrical structure.
The application also provides a loudspeaker comprising the sound generating device according to any one of the embodiments.
In this embodiment, because the electromagnetic seat can external power supply for the electromagnetic seat can be connected with the coil electricity, the coil can produce the magnetic field when letting in alternating current audio current, again because electromagnetic seat self carries the magnetic field, and two magnetic fields produce the interact force, makes the coil vibrate in the spacing annular of coil, thereby drives vibrating diaphragm vibration production sound, so can realize the sound production function of loudspeaker.
Further, because the coil is arranged in the heat-insulating ring sleeve, the heat transfer generated by the coil can be reduced by the heat-insulating ring sleeve to the vibrating diaphragm, the heat-insulating performance of the coil and the vibrating diaphragm is improved, the heat-bearing capacity of the vibrating diaphragm is obviously reduced, the situation that the vibrating diaphragm is softened can be effectively reduced, the use reliability of the loudspeaker is effectively improved, and the service life of the loudspeaker is effectively prolonged.
Further, as the shell is provided with the sound guide hole, the sound guide hole not only can effectively improve the low-frequency output of the sound of the loudspeaker, but also can conduct heat generated by the electromagnetic seat and the coil when in use.
Compared with the prior art, the utility model has at least the following advantages:
1. because the electromagnetic seat can be externally connected with a power supply, the electromagnetic seat can be electrically connected with the coil, the coil can generate a magnetic field when alternating current audio current is introduced, and because the electromagnetic seat carries the magnetic field, the two magnetic fields generate interaction force, the coil vibrates, and therefore the vibrating diaphragm is driven to vibrate to generate sound, and the sound generating function of the sound generating device can be realized.
2. Because the coil is arranged in the heat-insulating ring sleeve, the heat transfer generated by the coil can be reduced by the heat-insulating ring sleeve to the vibrating diaphragm, the heat-insulating performance of the coil and the vibrating diaphragm is improved, the heat bearing capacity of the vibrating diaphragm is obviously reduced, the condition that the vibrating diaphragm is softened can be effectively reduced, the use reliability of the sound generating device is effectively improved, and the service life of the sound generating device is effectively prolonged.
3. Because the shell is provided with the sound guide hole, the sound guide hole can not only effectively promote the low-frequency output of the sound production device, but also can conduct the heat generated by the electromagnetic seat and the coil during use.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. 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 utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. A sound emitting device, comprising:
the shell is provided with a containing cavity and a sound guide hole which are communicated with each other;
the sound generation assembly comprises an electromagnetic seat, a coil, a heat insulation ring sleeve and a vibrating diaphragm, wherein the electromagnetic seat is arranged in the accommodating cavity, so that the shell is connected with the electromagnetic seat, a coil limiting ring groove is formed in the electromagnetic seat, the heat insulation ring sleeve is arranged in the coil limiting ring groove, the coil is arranged in the heat insulation ring sleeve, so that the coil is connected with the heat insulation ring sleeve, one end of the heat insulation ring sleeve is movably connected with the electromagnetic seat, the other end of the heat insulation ring sleeve is fixedly connected with the vibrating diaphragm, and the vibrating diaphragm is arranged at the opening of the shell, so that the vibrating diaphragm is fixedly connected with the shell.
2. The sound emitting apparatus of claim 1, wherein the housing comprises a first housing and a second housing, the first housing and the second housing being connected, the second housing being formed with the receiving cavity and the sound guiding aperture in communication.
3. The sound generating apparatus of claim 2, wherein the diaphragm is disposed at an opening of the second housing, so that the diaphragm is fixedly connected to the second housing.
4. The sound emitting apparatus of claim 2 wherein the second housing is provided with a plurality of fixed mounting holes.
5. The sound emitting apparatus of claim 2 wherein the first housing and the second housing are of unitary construction.
6. The sound emitting apparatus of claim 2 wherein the second housing is further provided with a lead slot, the lead slot being in communication with the receiving cavity.
7. The sound generating apparatus according to claim 1, wherein the other end of the heat insulating ring sleeve is fixedly connected to the center of the diaphragm.
8. The sound generating apparatus of claim 7, wherein the other end of the insulating ring sleeve is bonded to the diaphragm.
9. The sound emitting apparatus of claim 1 wherein the housing is a cylindrical structure.
10. A loudspeaker comprising a sound emitting device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322191073.0U CN220606075U (en) | 2023-08-14 | 2023-08-14 | Sound generating device and loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322191073.0U CN220606075U (en) | 2023-08-14 | 2023-08-14 | Sound generating device and loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220606075U true CN220606075U (en) | 2024-03-15 |
Family
ID=90177446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322191073.0U Active CN220606075U (en) | 2023-08-14 | 2023-08-14 | Sound generating device and loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220606075U (en) |
-
2023
- 2023-08-14 CN CN202322191073.0U patent/CN220606075U/en active Active
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