CN220234941U - Bone conduction vibrator capable of reducing abnormal sound - Google Patents
Bone conduction vibrator capable of reducing abnormal sound Download PDFInfo
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- CN220234941U CN220234941U CN202321393241.8U CN202321393241U CN220234941U CN 220234941 U CN220234941 U CN 220234941U CN 202321393241 U CN202321393241 U CN 202321393241U CN 220234941 U CN220234941 U CN 220234941U
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- voice coil
- annular
- positioning groove
- bone conduction
- shell
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 30
- 230000002159 abnormal effect Effects 0.000 title claims abstract description 26
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052742 iron Inorganic materials 0.000 claims abstract description 12
- 239000000853 adhesive Substances 0.000 claims abstract description 9
- 230000001070 adhesive effect Effects 0.000 claims abstract description 9
- 239000012634 fragment Substances 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 6
- 239000002356 single layer Substances 0.000 claims description 6
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims 2
- 230000017525 heat dissipation Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 2
- 210000003027 ear inner Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 210000002751 lymph Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 210000003625 skull Anatomy 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model relates to the technical field of bone conduction vibrators, in particular to a bone conduction vibrator capable of reducing abnormal sound, which comprises a vibrator base, a voice coil, an auxiliary magnet, a washer, a main magnet, a spring piece, a middle shell, U-shaped iron, a fixed counterweight ring and a protecting cover, wherein the vibrator base comprises a central tube and an annular plate arranged on the outer side of the central tube, an annular positioning groove is formed in the position, close to the central tube, of the upper end of the annular plate, a clamping ring is arranged at the edge of the annular plate, a PCB (printed circuit board) is arranged at the lower end of the annular plate, and the bottom end of the voice coil is fixed in the annular positioning groove through an adhesive. According to the utility model, the annular positioning groove is additionally arranged in the vibrator base, and the annular positioning groove is used for providing positioning and fixing for the voice coil, so that the problems of deviation and inclination in the process of manufacturing the voice coil are avoided; the bonding strength is improved, and the occurrence probability of voice coil falling and abnormal sounds is reduced; meanwhile, a central tube is additionally arranged in the vibrator base, and an inner hole of the central tube is used as a heat dissipation channel, so that the vibrator still has good heat dissipation capacity under the condition of long-time and high-power output.
Description
Technical Field
The utility model relates to the technical field of bone conduction vibrators, in particular to a bone conduction vibrator capable of reducing abnormal sound.
Background
Bone conduction is a sound conduction mode, i.e. converting sound into mechanical vibrations of different frequencies, transmitting sound waves through the skull, bone labyrinth, inner ear lymph, screw, auditory center of a person. The bone conduction omits the step of transmitting a plurality of sound waves, can realize clear sound restoration in a noisy environment, and the sound waves can not influence others because of being diffused in the air, so that the sound leakage is reduced, and the privacy of a user is protected.
However, due to the characteristics of the bone conduction vibrator, the traditional vibrator has large size and heavy weight (compared with the traditional moving coil loudspeaker), so that the vibrator is more easily damaged irreversibly after the drop test due to the excessive mass. And traditional bone conduction oscillator is in high-power operating condition for a long time, and the whole phenomenon of overheating appears easily of oscillator, and long-time high temperature arouses easily that voice coil and oscillator base glue adhesion degree is not enough to cause not hard up, deformation, skew, finally leads to bone conduction oscillator to produce abnormal sound when vibrating.
The reason why abnormal sound is generated in actual use is approximately as follows:
a. degumming the center rubber part of the voice coil, and generating a degumming phenomenon;
b. the voice coil of the loudspeaker deforms to generate abnormal sound;
c. the tail part of the voice coil is rolled up, and the voice coil is easy to touch the U-shaped iron when the amplitude is large;
d. the elastic wave is aged to lose elasticity or is deformed and broken;
how to reduce the generation of abnormal sounds of the bone conduction oscillator becomes an important point for optimization in the design of the bone conduction oscillator. Accordingly, the inventors have desired a bone conduction transducer capable of reducing abnormal sounds.
Disclosure of Invention
The present utility model has been made to overcome the above-mentioned problems occurring in the prior art, and an object of the present utility model is to provide a bone conduction transducer capable of reducing abnormal sounds.
In order to achieve the technical purpose and the technical effect, the utility model is realized by the following technical scheme:
the utility model provides a bone conduction oscillator that can reduce abnormal sound, including oscillator base, the voice coil loudspeaker voice coil, vice magnet, the washer, main magnet, the shell fragment, the mesochite, U iron, fixed counter weight ring and protecting cover, main magnet, washer and vice magnet are installed in proper order to U iron's below, vice magnet is located oscillator base's inside, oscillator base is located the outside bonding of vice magnet and is fixed with the voice coil loudspeaker voice coil, fixed counter weight ring is installed in U iron's outside, fixed counter weight ring's outside cover is equipped with the shell fragment, the mesochite is established to oscillator base and the outside cover of shell fragment, the protecting cover is installed to the upper end of mesochite, its characterized in that: the vibrator base includes the center tube and locates the annular slab in its outside, annular locating slot has been seted up to the upper end of annular slab in being close to center tube department, the upper end of annular slab is located the edge that keeps away from the center tube and is equipped with the joint ring, PCB is installed to the lower extreme of annular slab, the bottom tip of voice coil loudspeaker voice coil passes through the gluing agent to be fixed in annular locating slot.
In the bone conduction vibrator capable of reducing abnormal sound, the groove width of the annular positioning groove is equal to the thickness value of a single layer of the voice coil, and the outer side face, the bottom side face and the inner side face of the bottom end part of the voice coil are respectively adhered and fixed with the inner wall of the annular positioning groove through adhesives.
Further, in the bone conduction oscillator capable of reducing abnormal sound, the groove width of the annular positioning groove is larger than the thickness value of the voice coil monolayer, and after the bottom end part of the voice coil is clamped into the annular positioning groove, the bottom end part of the voice coil is adhered and fixed with the oscillator base by filling the adhesive into the annular positioning groove.
In the bone conduction oscillator capable of reducing abnormal sound, the depth value of the annular positioning groove is 1-3 mm.
Further, in the bone conduction vibrator capable of reducing abnormal sound, the clamping groove matched with the clamping ring in the vibrator base is formed in the inner edge of the lower end of the middle shell.
Further, in the bone conduction oscillator capable of reducing abnormal sound, the bone conduction oscillator further comprises a shell, wherein the shell is clamped by a lower shell and an upper shell, a cylindrical mounting cavity matched with the middle shell is formed in the inner side of the lower shell, and a pressing plate for pressing the protecting cover is arranged on the upper shell.
The beneficial effects of the utility model are as follows:
1. according to the utility model, the annular positioning groove is additionally arranged in the vibrator base, the voice coil is arranged in the annular positioning groove of the vibrator base, and the annular positioning groove is used for providing positioning and fixing, so that the problems of deflection and inclination in the process of manufacturing the voice coil are avoided; the adhesive is used for bonding the voice coil and the vibrator base, and the original planar bonding is changed into three-surface bonding, so that the contact area is increased, the bonding strength is further improved, and the abnormal sound occurrence probability caused by falling off and inclination of the voice coil in the falling process is reduced.
2. According to the utility model, the central tube is additionally arranged in the vibrator base, and the inner hole of the central tube is used as a heat dissipation channel, so that the vibrator still has good heat dissipation capacity under the condition of long-time and high-power output.
Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an exploded schematic view of the structure of the present utility model;
FIG. 2 is a schematic view of the semi-sectional structure of the present utility model;
FIG. 3 is a schematic diagram of the structure of the present utility model;
FIG. 4 is a schematic view of a vibrator base of the present utility model at an angle;
FIG. 5 is a schematic view of another angle of the vibrator base of the present utility model;
FIG. 6 is a schematic illustration of the housing composition of the present utility model;
in the drawings, the list of components represented by the various numbers is as follows:
the vibrator comprises a 1-vibrator base, a 101-central tube, a 102-annular plate, a 103-annular positioning groove, a 104-clamping ring, a 105-PCB, a 2-voice coil, a 3-auxiliary magnet, a 4-washer, a 5-main magnet, a 6-elastic piece, a 7-middle shell, an 8-U iron, a 9-fixed counterweight ring, a 10-protecting cover, a 11-lower shell and a 12-upper shell.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-6, the present embodiment provides a bone conduction vibrator capable of reducing abnormal noise, which includes a vibrator base 1, a voice coil 2, an auxiliary magnet 3, a washer 4, a main magnet 5, a spring plate 6, a middle shell 7, a U-shaped iron 8, a fixed weight ring 9 and a protecting cover 10, wherein the main magnet 5, the washer 4 and the auxiliary magnet 3 are sequentially installed below the U-shaped iron 8, and the auxiliary magnet 3 is located inside the vibrator base 1. The vibrator base 1 is located the outside bonding of vice magnet 3 and is fixed with voice coil 2, and fixed counter weight ring 9 is installed in the outside of U iron 8, and the outside cover of fixed counter weight ring 9 is equipped with shell fragment 6, and vibrator base 1 and shell fragment 6's outside cover is established and is installed well shell 7, and protecting cover 10 is installed to the upper end of well shell 7.
In this embodiment, vibrator base 1 includes center tube 101 and locates its outside annular plate 102, and annular locating slot 103 has been seted up to annular plate 102's upper end position in being close to center tube 101 department, and annular plate 103's upper end is located the edge that keeps away from center tube 101 department and is equipped with joint ring 104, and PCB105 is installed to annular plate 102's lower extreme, and voice coil 2's bottom is fixed in annular locating slot 103 through the gluing agent.
In this embodiment, the groove width of the annular positioning groove 103 is equal to the thickness of the single layer of the voice coil 2, and the outer side surface, the bottom side surface and the inner side surface of the bottom end of the voice coil are respectively adhered and fixed with the inner wall of the annular positioning groove through an adhesive. Or, the groove width of the annular positioning groove 103 is larger than the single-layer thickness value of the voice coil 2, and after the bottom end part of the voice coil 2 is clamped into the annular positioning groove 103, the bottom end part of the voice coil 2 is adhered and fixed with the vibrator base 1 by filling an adhesive into the annular positioning groove 103.
In this embodiment, the depth of the annular positioning groove 103 is 1-3 mm, and the depth is at least greater than the height of two layers of coil bodies in the voice coil 2.
In this embodiment, a clamping groove matched with the clamping ring in the vibrator base is formed in the inner edge of the lower end of the middle shell 7.
In this embodiment, the device further comprises a housing, the housing is clamped by a lower housing 11 and an upper housing 12, a cylindrical mounting cavity matched with the middle housing 7 is arranged on the inner side of the lower housing 11, and a pressing plate for pressing the protecting cover 10 is arranged on the upper housing 12.
One specific application of this embodiment is: an annular positioning groove 103 is additionally arranged in the vibrator base 1, the voice coil 2 is arranged in the annular positioning groove 103 of the vibrator base 1, and the annular positioning groove 103 provides positioning and fixing to avoid deflection and inclination problems in voice coil manufacture; the adhesive is used for bonding the voice coil 2 and the vibrator base 1, and the original planar bonding is changed into three-surface bonding, so that the contact area is increased, the bonding strength is further improved, and the abnormal sound occurrence probability caused by voice coil falling and inclination in the falling process is reduced. The central tube 101 is additionally arranged in the vibrator base 1, and the inner hole of the central tube 101 is used as a heat dissipation channel, so that the vibrator still has good heat dissipation capacity under the condition of long-time and high-power output.
The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.
Claims (6)
1. The utility model provides a bone conduction oscillator that can reduce abnormal sound, including oscillator base, the voice coil loudspeaker voice coil, vice magnet, the washer, main magnet, the shell fragment, the mesochite, U iron, fixed counter weight ring and protecting cover, main magnet, washer and vice magnet are installed in proper order to U iron's below, vice magnet is located oscillator base's inside, oscillator base is located the outside bonding of vice magnet and is fixed with the voice coil loudspeaker voice coil, fixed counter weight ring is installed in U iron's outside, fixed counter weight ring's outside cover is equipped with the shell fragment, the mesochite is established to oscillator base and the outside cover of shell fragment, the protecting cover is installed to the upper end of mesochite, its characterized in that: the vibrator base includes the center tube and locates the annular slab in its outside, annular locating slot has been seted up to the upper end of annular slab in being close to center tube department, the upper end of annular slab is located the edge that keeps away from the center tube and is equipped with the joint ring, PCB is installed to the lower extreme of annular slab, the bottom tip of voice coil loudspeaker voice coil passes through the gluing agent to be fixed in annular locating slot.
2. The bone conduction transducer capable of reducing abnormal sounds according to claim 1, wherein: the groove width of the annular positioning groove is equal to the thickness value of a single layer of the voice coil, and the outer side face, the bottom side face and the inner side face of the bottom end part of the voice coil are respectively adhered and fixed with the inner wall of the annular positioning groove through adhesives.
3. The bone conduction transducer capable of reducing abnormal sounds according to claim 1, wherein: the groove width of the annular positioning groove is larger than the thickness value of the single layer of the voice coil, and after the bottom end part of the voice coil is clamped into the annular positioning groove, the bottom end part of the voice coil and the vibrator base are adhered and fixed by filling an adhesive into the annular positioning groove.
4. The bone conduction transducer capable of reducing abnormal sounds according to claim 1, wherein: the depth value of the annular positioning groove is 1-3 mm.
5. The bone conduction transducer capable of reducing abnormal sounds according to claim 1, wherein: the inner edge of the lower end of the middle shell is provided with a clamping groove matched with the clamping ring in the vibrator base.
6. The bone conduction transducer capable of reducing abnormal sounds according to claim 1, wherein: the novel protective cover comprises a lower shell, and is characterized by further comprising a shell, wherein the shell is clamped by the lower shell and an upper shell, a cylindrical mounting cavity matched with the middle shell is formed in the inner side of the lower shell, and a pressing plate for pressing the protective cover is arranged on the upper shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321393241.8U CN220234941U (en) | 2023-06-02 | 2023-06-02 | Bone conduction vibrator capable of reducing abnormal sound |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321393241.8U CN220234941U (en) | 2023-06-02 | 2023-06-02 | Bone conduction vibrator capable of reducing abnormal sound |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220234941U true CN220234941U (en) | 2023-12-22 |
Family
ID=89197624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321393241.8U Active CN220234941U (en) | 2023-06-02 | 2023-06-02 | Bone conduction vibrator capable of reducing abnormal sound |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220234941U (en) |
-
2023
- 2023-06-02 CN CN202321393241.8U patent/CN220234941U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240124 Address after: Room 801, building 3, No.1 Zhenhan Road, gankeng community, Jihua street, Longgang District, Shenzhen, Guangdong 518000 Patentee after: SHENZHEN SHENGXINGWANG PRECISION TECHNOLOGY Co.,Ltd. Country or region after: China Address before: 518000 room 3111, building 4, phase II, Tian'an cloud Valley Industrial Park, Gangtou community, Bantian street, Longgang District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Yier Tianlai Technology Co.,Ltd. Country or region before: China |