CN219740600U - Pronunciation unit that vibrating diaphragm has ventilative pressure release function - Google Patents
Pronunciation unit that vibrating diaphragm has ventilative pressure release function Download PDFInfo
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- CN219740600U CN219740600U CN202320346745.8U CN202320346745U CN219740600U CN 219740600 U CN219740600 U CN 219740600U CN 202320346745 U CN202320346745 U CN 202320346745U CN 219740600 U CN219740600 U CN 219740600U
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- diaphragm
- vibrating diaphragm
- voice coil
- balance hole
- hole
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- 238000009423 ventilation Methods 0.000 claims abstract description 18
- 239000012528 membrane Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
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- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The utility model discloses a sound producing unit with a ventilation and pressure relief function for a vibrating diaphragm, which comprises a magnetic circuit part, a voice coil part and a vibrating diaphragm part, wherein the magnetic circuit part is used for driving the voice coil part to do linear reciprocating motion, and the vibrating diaphragm part moves along with the voice coil part. The utility model integrates the air pressure balancing function of the existing rear shell small hole of the whole machine on the sounding unit body, so that the vibrating diaphragm has the functions of ventilation and pressure relief, the vibrating diaphragm of the loudspeaker and the external environment are separated by the shell and the waterproof ventilation film, the vibrating diaphragm is not easy to be blocked by external dirt, the failure probability of ventilation and pressure relief is greatly reduced, the design of the whole machine is simplified, and meanwhile, the vibrating diaphragm has the waterproof characteristic and meets the waterproof requirement.
Description
Technical Field
The utility model relates to the technical field of speakers, in particular to a sound generating unit with a vibrating diaphragm having a ventilation and pressure relief function.
Background
At present, a coil is driven by electromagnetic force to drive a vibrating diaphragm bonded with the coil, sound waves are radiated outwards, the coil in the vibrating unit such as the speaker and the receiver generates much heat during operation, when the vibrating unit continuously works, the generated heat can enable internal air to be heated and expanded, so that the internal air pressure is larger than external air pressure, if the internal air pressure cannot be discharged, the vibrating diaphragm can be outwards bulging, vibration sound production cannot be realized, and a folding ring of the vibrating diaphragm is made of a flexible material and is a non-rigid body, so that the form of the folding ring can be influenced if air pressure difference is formed between the inside and the outside of the vibrating diaphragm, and the vibrating diaphragm is difficult to move to one side with large air pressure, so that the normal sound producing function of the vibrating diaphragm is invalid.
At present, in order to balance air pressure, small holes are formed in the rear shell of the whole machine such as a mobile phone, a flat plate, a watch and the like, and an air permeable film is attached to the small holes so as to balance air pressure difference between the inside and the outside of the vibrating diaphragm, however, the small holes in the machine shell and the air permeable film are in contact with the external environment, and the small holes and the air permeable film are easily blocked by foreign matters, dirt and the like in the external environment along with the increase of the service time, so that the sound producing unit is invalid, and the use of a customer is influenced.
Disclosure of Invention
The utility model aims to avoid the defects existing in the prior art, and therefore provides the sound generating unit with the ventilation and pressure relief functions of the vibrating diaphragm, the ventilation and pressure relief functions are integrated on the sound generating unit body, and the failure risk is reduced.
The utility model solves the technical problems by adopting the following technical scheme: the utility model provides a pronunciation unit that vibrating diaphragm has ventilative pressure release function, includes magnetic circuit portion, voice coil loudspeaker voice coil portion and vibrating diaphragm portion, the magnetic circuit portion is used for driving voice coil loudspeaker voice coil portion and makes straight reciprocating motion, vibrating diaphragm portion moves along with voice coil loudspeaker voice coil portion, a serial communication port, vibrating diaphragm portion is including vibrating diaphragm body, vibrating diaphragm ball top and waterproof ventilated membrane that the laminating set up, balanced hole one has been seted up on the vibrating diaphragm body, balanced hole two has been seted up on the vibrating diaphragm ball top, balanced hole one is corresponding with balanced hole two's position, just balanced hole one is greater than or equal to balanced hole two.
In several embodiments, the vibrating diaphragm body is connected with the voice coil portion, the vibrating diaphragm dome is disposed on the upper surface of the vibrating diaphragm body, the waterproof breathable film is disposed on the upper surface of the vibrating diaphragm dome and covers the balance hole II, and the diameter of the balance hole I is equal to the diameter of the balance hole II.
In several embodiments, the vibrating diaphragm body is connected with the voice coil portion, the vibrating diaphragm dome is disposed on the upper surface of the vibrating diaphragm body, the waterproof breathable film is disposed on the lower surface of the vibrating diaphragm body and covers the balance hole I, and the diameter of the balance hole I is equal to the diameter of the balance hole II.
In several embodiments, the vibrating diaphragm body is connected with the voice coil portion, the vibrating diaphragm dome is disposed on the upper surface of the vibrating diaphragm body, the waterproof breathable film is disposed between the vibrating diaphragm body and the vibrating diaphragm dome and covers the balance hole one and the balance hole two, and the diameter of the balance hole one is equal to the diameter of the balance hole two.
In several embodiments, the vibrating diaphragm body is connected with the voice coil portion, the vibrating diaphragm dome is disposed on the upper surface of the vibrating diaphragm body, the waterproof breathable film is disposed on the upper surface or the lower surface of the vibrating diaphragm dome and covers the balance hole II, and the diameter of the balance hole I is greater than that of the balance hole II.
In several embodiments, the diaphragm dome is connected to the voice coil portion, the diaphragm body is connected to the upper surface of the diaphragm dome, the waterproof breathable film is disposed on the upper surface or the lower surface of the diaphragm dome and covers the balance hole two, and the diameter of the balance hole one is larger than that of the balance hole two.
In several embodiments, the two sides of the diaphragm body are provided with diaphragm folding rings in an extending manner, and are connected with the front cover through the diaphragm folding rings.
In several embodiments, the waterproof breathable membrane is permeable to air but impermeable to water.
The utility model has the following beneficial effects:
the utility model integrates the air pressure balancing function of the existing rear shell small hole of the whole machine on the sounding unit body, so that the vibrating diaphragm has the functions of ventilation and pressure relief, and the loudspeaker vibrating diaphragm and the external environment are separated by the shell and the waterproof ventilation film, so that the loudspeaker vibrating diaphragm is not easy to be blocked by external dirt.
In addition, the vibrating diaphragm is vibrated during operation, and the vibrating diaphragm can be driven to vibrate through a special sound source to drain water, dust and sewage, so that the cleaning performance is maintained.
And can set up the ventilative hole of many places on the vibrating diaphragm, avoid single bleeder vent inefficacy risk, greatly reduced ventilative pressure release's failure probability, simultaneously because the function integration has simplified the design of customer complete machine, have waterproof characteristic concurrently simultaneously, satisfy waterproof demand.
Drawings
The drawings described herein are for illustration purposes only of selected embodiments and are not intended to represent all possible implementations and should not be construed as limiting the scope of the present utility model.
Fig. 1 schematically shows a top view structure of a sound emitting unit in embodiment 1;
fig. 2 schematically shows a cross-sectional structure of the sound emitting unit in embodiment 1;
fig. 3 schematically shows a cross-sectional structure of a sound emitting unit in embodiment 2;
fig. 4 schematically shows a cross-sectional structure of a sound emitting unit in embodiment 3;
fig. 5 schematically shows a cross-sectional structure of a sound emitting unit in embodiment 4;
fig. 6 schematically shows a cross-sectional structure of a sound emitting unit in embodiment 5;
fig. 7 schematically shows a cross-sectional structure of a sound emitting unit in embodiment 6;
fig. 8 schematically shows a cross-sectional structure of a sound emitting unit in embodiment 7;
fig. 9 schematically shows a cross-sectional structure of the sound emitting unit in embodiment 8.
Detailed Description
In the following, embodiments of the present utility model will be described in detail, for the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, and in the following, technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments.
The terminology used herein is for the purpose of describing embodiments and is not intended to be limiting and/or limiting of the utility model.
For example, "in a certain direction", "parallel", "orthogonal", "center", "opposite", "front-rear-left-right", and the like indicate expressions of relative or absolute arrangement, and indicate not only such arrangement in a strict sense but also a state of relative displacement with tolerance or with an angle or distance that can obtain the same degree of function.
Example 1
As shown in fig. 1-2, the sound generating unit with ventilation and pressure relief functions is mainly composed of a magnetic circuit portion 10, a voice coil portion 20, a front cover 50 and a diaphragm portion, wherein the magnetic circuit portion 10 is used for driving the voice coil portion 20 to make linear reciprocating motion, and the diaphragm portion moves along with the voice coil portion 20, so that a sound generating speaker structure is formed.
Wherein, vibrating diaphragm portion is including laminating setting like glued vibrating diaphragm body 31, vibrating diaphragm ball top 32 and waterproof ventilated membrane 33, and the both sides of vibrating diaphragm body 31 extend and are provided with vibrating diaphragm book ring 311 to through vibrating diaphragm book ring 311 is connected with protecgulum 50, forms fixed connection structure.
And a plurality of balance holes 41 which are uniformly spaced and arranged in a straight line are formed in the diaphragm body 31, a plurality of balance holes second 42 which are uniformly spaced and arranged in a straight line are formed in the diaphragm dome 32, the positions of the balance holes first 41 and the balance holes second 42 correspond to each other, the balance holes first 41 are equal to the balance holes second 42, namely the diameters of the balance holes first 41 and the balance holes second 42 are identical, and the balance holes first 41 and the balance holes second 42 are coaxial, so that pressure discharge is performed.
Specifically, here, the diaphragm body 31 is connected to the voice coil portion 20, the diaphragm dome 32 is disposed on the upper surface of the diaphragm body 31, the waterproof air-permeable membrane 33 is disposed on the upper surface of the diaphragm dome 32 and covers all the balance holes two 42, and the width of the waterproof air-permeable membrane 33 is smaller than the width of the diaphragm dome 32.
Example 2
As shown in fig. 3, the difference from embodiment 1 is that the waterproof breathable film 33 is provided on the lower surface of the diaphragm body 31 and covers the balance hole one 41.
Example 3
As shown in fig. 4, the difference from embodiments 1-2 is that the waterproof and breathable film 33 is disposed between the diaphragm body 31 and the diaphragm dome 32, and covers the balance holes one 41 and two 42 on the upper and lower sides thereof.
Example 4
As shown in fig. 5, the difference from embodiment 1 is that, at this time, the balance hole one 41 is larger than the balance hole two 42, at this time, only one balance hole one may be provided, that is, all the balance holes two 42 are covered by the single balance hole one 41, the area of the balance hole one 41 is enlarged, the ineffective mass of the diaphragm body 31 may be reduced, the loudness is increased, and correspondingly, the diaphragm body 31 is connected with the voice coil part 20, the diaphragm dome 32 is disposed on the upper surface of the diaphragm body 31, and the waterproof breathable film 33 is disposed on the upper surface of the diaphragm dome 32 and covers the balance holes two 42.
Example 5
As shown in fig. 6, the difference from embodiment 4 is that the waterproof and breathable film 33 is provided on the lower surface of the diaphragm dome 32 and covers the balance hole two 42, and the waterproof and breathable film 33 is located in the balance hole one 41 and does not fully occupy the inner space of the balance hole one 41.
Example 6
As shown in fig. 7, the difference from embodiment 5 is that the diaphragm dome 32 is connected to the voice coil portion 20, the diaphragm body 31 is connected to the upper surface of the diaphragm dome 32, the waterproof and breathable film 33 is disposed on the upper surface of the diaphragm dome 32 and covers the balance hole two 42, and similarly, the waterproof and breathable film 33 is disposed in the balance hole one 41 and does not fully occupy the inner space of the balance hole one 41.
Example 7
As shown in fig. 8, the difference from embodiment 6 is that a waterproof and breathable film 33 is provided on the lower surface of the diaphragm dome 32 and covers the balance hole two 42.
Example 8
As shown in fig. 9, unlike examples 4 to 7, the waterproof and breathable film 33 is omitted, and the material of the diaphragm dome 32 is limited, and the diaphragm dome 32 is densely provided with micropores, so that ventilation can be realized due to the existence of the densely provided micropores, and meanwhile, the passage of external water can be avoided, and the water on the surface can be vibrated away by vibration.
In examples 1 to 7, the waterproof breathable film 33 was used to pass air but not water, and materials that are common in the art were selected.
The present utility model describes preferred embodiments, including the best mode known to the inventors for carrying out the utility model. Variations of these preferred embodiments will, of course, be apparent to those skilled in the art. The inventors expect skilled artisans to employ such variations as appropriate, and the inventors intend for the utility model to be practiced otherwise than as specifically described herein. Accordingly, this utility model includes all modifications encompassed within the spirit and scope of the utility model as defined by the claims. Moreover, unless indicated otherwise or clearly contradicted by context, the present utility model includes any of the above-described factors and all possible variations thereof.
Claims (8)
1. The utility model provides a pronunciation unit that vibrating diaphragm has ventilative pressure release function, includes magnetic circuit portion, voice coil loudspeaker voice coil portion and vibrating diaphragm portion, the magnetic circuit portion is used for driving voice coil loudspeaker voice coil portion and makes straight reciprocating motion, vibrating diaphragm portion moves along with voice coil loudspeaker voice coil portion, a serial communication port, vibrating diaphragm portion is including vibrating diaphragm body, vibrating diaphragm ball top and waterproof ventilated membrane that the laminating set up, balanced hole one has been seted up on the vibrating diaphragm body, balanced hole two has been seted up on the vibrating diaphragm ball top, balanced hole one is corresponding with balanced hole two's position, just balanced hole one is greater than or equal to balanced hole two.
2. The sound generating unit with ventilation and pressure relief functions according to claim 1, wherein the diaphragm body is connected with the voice coil portion, the diaphragm dome is disposed on the upper surface of the diaphragm body, the waterproof and breathable film is disposed on the upper surface of the diaphragm dome and covers the balance hole II, and the diameter of the balance hole I is equal to that of the balance hole II.
3. The sound generating unit with ventilation and pressure relief functions according to claim 1, wherein the diaphragm body is connected with the voice coil portion, the diaphragm dome is disposed on the upper surface of the diaphragm body, the waterproof and breathable film is disposed on the lower surface of the diaphragm body and covers the balance hole one, and the diameter of the balance hole one is equal to the diameter of the balance hole two.
4. The sound generating unit with ventilation and pressure relief functions according to claim 1, wherein the diaphragm body is connected with the voice coil portion, the diaphragm dome is disposed on the upper surface of the diaphragm body, the waterproof and breathable film is disposed between the diaphragm body and the diaphragm dome and covers the balance hole one and the balance hole two, and the diameter of the balance hole one is equal to the diameter of the balance hole two.
5. The sound generating unit with ventilation and pressure relief functions according to claim 1, wherein the diaphragm body is connected with the voice coil portion, the diaphragm dome is disposed on an upper surface of the diaphragm body, the waterproof and breathable film is disposed on an upper surface or a lower surface of the diaphragm dome and covers the balance hole II, and a diameter of the balance hole I is larger than a diameter of the balance hole II.
6. The sound producing unit with ventilation and pressure relief functions according to claim 1, wherein the diaphragm dome is connected to the voice coil portion, the diaphragm body is connected to the upper surface of the diaphragm dome, the waterproof and breathable film is disposed on the upper surface or the lower surface of the diaphragm dome and covers the balance hole II, and the diameter of the balance hole I is larger than that of the balance hole II.
7. The sound generating unit with ventilation and pressure relief functions according to any one of claims 1 to 6, wherein diaphragm folding rings are extended from two sides of the diaphragm body and are connected with the front cover through the diaphragm folding rings.
8. A sound generating unit with ventilation and pressure relief function according to any of claims 1-6, characterized in that the waterproof and breathable membrane is permeable to air but not to water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320346745.8U CN219740600U (en) | 2023-02-22 | 2023-02-22 | Pronunciation unit that vibrating diaphragm has ventilative pressure release function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320346745.8U CN219740600U (en) | 2023-02-22 | 2023-02-22 | Pronunciation unit that vibrating diaphragm has ventilative pressure release function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219740600U true CN219740600U (en) | 2023-09-22 |
Family
ID=88056517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320346745.8U Active CN219740600U (en) | 2023-02-22 | 2023-02-22 | Pronunciation unit that vibrating diaphragm has ventilative pressure release function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219740600U (en) |
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2023
- 2023-02-22 CN CN202320346745.8U patent/CN219740600U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |