CN111954132B - Centering support piece and loudspeaker provided with same - Google Patents
Centering support piece and loudspeaker provided with same Download PDFInfo
- Publication number
- CN111954132B CN111954132B CN202010776934.XA CN202010776934A CN111954132B CN 111954132 B CN111954132 B CN 111954132B CN 202010776934 A CN202010776934 A CN 202010776934A CN 111954132 B CN111954132 B CN 111954132B
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- oil
- main body
- dustproof
- centering
- fibers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/025—Magnetic circuit
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
- H04R9/041—Centering
Abstract
The invention provides a centering disk and a loudspeaker provided with the centering disk, wherein the centering disk comprises a main body part and dustproof oil arranged on the main body part; wherein the dustproof oil is arranged on the upper surface and/or the lower surface of the main body part; alternatively, the dustproof oil is impregnated into the entire body portion. The dust absorption capacity can be enhanced, and the dustproof effect and the air permeability of the centering support sheet can be improved.
Description
Technical Field
The invention relates to the technical field of acoustoelectric products, in particular to a centering disk and a loudspeaker provided with the centering disk.
Background
With the rapid development of science and technology, the popularity of audio equipment is higher and higher, and people's requirements on audio equipment are not limited to the playing of audio, and also put forward more and higher requirements on the reliability of audio equipment. In audio equipment, a speaker or a loudspeaker is a commonly used electronic component, which is mainly used for playing audio signals, and the reliability of the electronic component directly affects the function of the audio equipment with the speaker or the loudspeaker.
The existing loudspeaker is used as a common electroacoustic transducer for converting electric energy into sound energy and mainly comprises a vibration system, a magnetic circuit system and an auxiliary system. The vibration system comprises a vibrating diaphragm, a voice coil, a centering support piece and the like; the magnetic circuit system comprises a magnet, a washer, a magnetic yoke and the like; the auxiliary system comprises a front cover, a shell, a lead-out wire and the like.
The centering support piece is used as one of the structural parts of the loudspeaker, and mainly has the functions of ensuring the correct position of the voice coil in the magnetic gap, keeping the vibration system to reciprocate only along the axial direction when the voice coil is stressed, providing the elastic force when the vibration system reciprocates, and determining the resonance frequency of the loudspeaker together with the vibration diaphragm and the voice coil of the vibration system.
Currently, the centering buttresses usually need to achieve good breathability by increasing the yarn gaps of the centering buttresses; meanwhile, in order to prevent foreign matter dust from entering the magnetic gap, the yarn gap of the centering support piece cannot be too large, so that the two yarn gaps are contradictory; therefore, the displacement of the centering disk needs to be adjusted by manually adjusting the density, the thickness and the like of the centering disk for multiple times, the adjusting mode is limited, and the effect is not obvious.
Therefore, there is a need for a damper that has good air permeability and dust-proof capability.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a damper and a speaker having the damper, so as to solve the contradiction between the air permeability and the dustproof performance of the conventional damper.
The invention provides a centering support piece, which comprises a main body part and dustproof oil arranged on the main body part; wherein the dustproof oil is arranged on the upper surface and/or the lower surface of the main body part; alternatively, the dustproof oil is impregnated into the entire body portion.
In addition, the preferable technical proposal is that the main body part adopts fiber materials; fibrous materials include synthetic fibers, natural fibers, and inorganic fibers.
In addition, the preferable technical proposal is that the synthetic fiber comprises polyester fiber and polyaramide fiber, and the natural fiber comprises plant fiber and animal fiber; inorganic fibers include asbestos and glass fibers.
In addition, the preferred technical scheme is that the dustproof oil is vegetable oil or mineral oil.
In addition, the preferred technical scheme is that the dustproof oil is coated and brushed on the upper surface and/or the lower surface of the main body part by adopting a brushing tool; alternatively, the dustproof oil is sprayed on the upper surface and/or the lower surface of the main body part by using a spraying tool.
In addition, it is preferable that the main body portion is immersed in the dustproof oil so that the dustproof oil is impregnated into the entire main body portion.
In addition, the preferred technical scheme is that the viscosity range of the dustproof oil is 50-100 cst, and the density range of the dustproof oil is 0.6-0.9 g/cm3The freezing point and the boiling point of the dustproof oil are not more than-50 degrees and not less than 200 degrees.
Further, it is preferable that, when the dustproof oil is provided on the upper surface/lower surface of the main body portion, the following condition is satisfied:
h1≤h*10％
h2≤h*10
here, h1 represents the thickness of the dust-proof oil on the upper/lower surfaces, h represents the thickness of the main body, and h2 represents the depth of the dust-proof oil on the upper/lower surfaces.
In addition, the preferred technical scheme is that the dustproof oil is arranged on the upper surface and/or the lower surface of the main body part; the upper surface and/or the lower surface of the main body portion is pressed by the pressure holding device.
According to another aspect of the present invention, there is provided a speaker including a housing, a vibration system and a magnetic circuit system housed in the housing; the vibration system comprises a diaphragm, a voice coil and the centering support sheet, wherein the diaphragm and the voice coil are combined with each other; the magnetic circuit system is provided with a magnetic gap, and the voice coil is suspended in the magnetic gap.
By utilizing the centering branch piece and the loudspeaker provided with the centering branch piece, the surface or the whole of the centering branch piece is subjected to oil immersion treatment to form an oily centering branch piece, so that the adsorption capacity of the centering branch piece on dust can be increased, and the dustproof effect is improved; meanwhile, the air permeability of the centering disk can be improved, the heat dissipation effect of the loudspeaker and the smoothness of a vibration system are further improved, the air pressure balance of the two sides of the centering disk is improved when the loudspeaker works, and the like.
To the accomplishment of the foregoing and related ends, one or more aspects of the invention comprise the features hereinafter fully described. The following description and the annexed drawings set forth in detail certain illustrative aspects of the invention. These aspects are indicative, however, of but a few of the various ways in which the principles of the invention may be employed. Further, the present invention is intended to include all such aspects and their equivalents.
Drawings
Other objects and results of the present invention will become more apparent and more readily appreciated as the same becomes better understood by reference to the following description taken in conjunction with the accompanying drawings. In the drawings:
FIG. 1 is a schematic structural diagram of a centering chip according to an embodiment of the invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a schematic view of the immersion depth of the dust-proof oil in the centering disk according to the embodiment of the invention.
Wherein the reference numerals include: the centering chip 1, the body 11, the upper surface oil 12, and the lower surface oil 13.
The same reference numbers in all figures indicate similar or corresponding features or functions.
Detailed Description
In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that such embodiment(s) may be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to facilitate describing one or more embodiments.
In order to describe the present invention in detail with respect to a damper and a speaker provided with the damper, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 and 2 show schematic structures of a centering chip according to an embodiment of the present invention from different angles, respectively.
As shown in fig. 1 and 2 together, the damper 1 according to the embodiment of the present invention includes a main body 11 and a dust-proof oil provided on the main body 11; wherein, the dustproof oil can be arranged on the upper surface and/or the lower surface of the main body part 11 to form an upper surface attached oil 12 and/or a lower surface attached oil 13; alternatively, the dust-proof oil may be impregnated into the entire structure of the main body 11, that is, the oil may be applied to both the inside and the surface of the main body 11, thereby forming the oily damper 1 having excellent air permeability and dust-proof performance.
The main body 11 of the centering chip 1 according to the embodiment of the present invention may be made of a fiber material, which further includes synthetic fibers, natural fibers, inorganic fibers, and the like.
Specifically, the synthetic fibers include, but are not limited to, polyester fibers and polyaramide fibers, and the natural fibers include, but are not limited to, plant fibers such as cotton fibers, hemp fibers, wood fibers, and the like, and animal fibers such as silk, and the like; the inorganic fibers include but are not limited to asbestos and glass fibers, and the adoption of the fiber material can not only improve the structural strength of the centering disk 1, but also effectively adsorb dustproof oil, thereby achieving the purpose of improving the air permeability and the dustproof property of the centering disk.
In one embodiment of the present invention, the dustproof oil can be vegetable oil or other oily liquid such as mineral oil.
As a specific example, the dust-proof oil may be provided on the main body portion 11 using a corresponding oil immersion device, for example, a painting tool is used to paint the dust-proof oil on the upper surface and/or the lower surface of the main body portion 11; alternatively, the dust-proof oil is sprayed on the upper surface and/or the lower surface of the body 11 by using a spraying tool.
In addition, in order to ensure uniformity of the oil layer and uniformity of the immersion depth in the main body portion 11, the upper surface and/or the lower surface of the main body portion 11 is subjected to a pressing process by a pressure maintaining device in the process that the dustproof oil is provided on the upper surface and/or the lower surface of the main body portion 11; in the process of immersing the dustproof oil in the entire main body portion 11, the entire main body portion 11 can be immersed in the dustproof oil, and the dustproof oil can be surely immersed in the main body portion 11.
Due to the characteristics of the dustproof oil, the hardness and elasticity of the centering disk can be adjusted by adjusting the viscosity and the using amount of the dustproof oil, so that more selection modes are provided for adjusting the deflection of the centering disk during the design of a loudspeaker, in the centering disk provided by the embodiment of the invention, the viscosity range of the dustproof oil can be set to be 50-100 cst (20 ℃), and the density range of the dustproof oil is 0.6-0.9 g/cm3The freezing point and the boiling point of the dustproof oil are not more than-50 degrees and not less than 200 degrees.
It can be known that, aiming at the centering branch piece with different materials or different production requirements, the parameters of the dustproof oil can be automatically adjusted, and are not limited to specific values.
In another embodiment of the present invention, when the dustproof oil is provided on the upper/lower surface of the main body portion 11, the following two conditions are satisfied:
h1≤h*10％
h2≤h*10
wherein h is1Denotes the thickness of the dust-proof oil covering the upper/lower surfaces, h denotes the thickness of the body portion, h2Indicating the oil immersion depth of the dustproof oil on the upper/lower surface.
Specifically, fig. 3 shows an immersion depth schematic structure of the dust-proof oil of the centering chip according to the embodiment of the present invention.
As shown in fig. 3, the oil immersion depth and the oil immersion height of the dust-proof oil on the upper surface and/or the lower surface of the main body portion 11 are both related to the thickness of the main body portion 11; wherein h is1The oil immersion height is shown, namely the covering thickness of the upper surface attached oil 12/the lower surface attached oil 13 on the upper surface/the lower surface of the main body part 11; h is2Denotes the depth of penetration of the dust-proof oil into the upper/lower surfaces, and h is known1And h2Can be set according to specific application scenes and production requirements.
Corresponding to the centering support piece, the invention also provides a loudspeaker, which comprises a shell, a vibration system and a magnetic circuit system, wherein the vibration system and the magnetic circuit system are accommodated in the shell; the vibration system comprises a vibration diaphragm, a voice coil and the centering support sheet which are mutually combined; the magnetic circuit system is provided with a magnetic gap, and the voice coil is suspended in the magnetic gap.
The voice coil to be fixed comprises a voice coil framework and a voice coil wire wound on the voice coil framework, and the fixed corrugations of the centering support piece are fixed on the voice coil framework.
The embodiments of the speaker can refer to the description of the centering chip embodiments, and are not described herein again.
It can be seen from the above embodiments that the centering sheet and the speaker provided with the centering sheet provided by the invention have the following advantages:
1. on the premise of the same air permeability, the dustproof effect of the centering support sheet can be effectively improved, and the dust adsorption capacity is increased;
2. the oily centering disk can ensure the dustproof effect and simultaneously improve the air permeability of the centering disk, thereby improving the heat dissipation effect and the smoothness of a vibration system of the loudspeaker and the balance of air pressure on two sides of the centering disk when the loudspeaker works;
3. the hardness and elasticity of the centering disk can be adjusted by adjusting the viscosity and the dosage of the dustproof oil, and more choices are provided for adjusting the deflection of the centering disk during the design of the loudspeaker.
The centring disk and the loudspeaker provided with the centring disk according to the invention are described above by way of example with reference to the accompanying drawings. However, it will be appreciated by those skilled in the art that various modifications may be made to the above-described damper and speaker provided with the damper without departing from the scope of the present invention. Therefore, the scope of the present invention should be determined by the contents of the appended claims.
Claims (9)
1. A centering support piece is characterized by comprising a main body part and dustproof oil arranged on the main body part; wherein the content of the first and second substances,
the dustproof oil is arranged on the upper surface and/or the lower surface of the main body part; alternatively, the first and second electrodes may be,
the dustproof oil is immersed into the whole body of the main body part; wherein the content of the first and second substances,
when the dustproof oil is provided on the upper surface/lower surface of the body portion, the following condition is satisfied:
h1≤h*10％
h2≤h*10
wherein h1 represents a coating thickness of the dust-proof oil on the upper surface/lower surface, h represents a thickness of the body portion, and h2 represents an oil immersion depth of the dust-proof oil on the upper surface/lower surface.
2. The centering chip of claim 1,
the main body part is made of fiber materials;
the fiber material includes synthetic fibers, natural fibers and inorganic fibers.
3. The centralizer sheet of claim 2,
the synthetic fibers comprise polyester fibers and polyaramide fibers, and the natural fibers comprise plant fibers and animal fibers; the inorganic fibers include asbestos and glass fibers.
4. The centering chip of claim 1,
the dustproof oil is vegetable oil or mineral oil.
5. The centering chip of claim 1,
the dustproof oil is coated and brushed on the upper surface and/or the lower surface of the main body part by adopting a brushing tool; alternatively, the first and second electrodes may be,
and the dustproof oil is sprayed on the upper surface and/or the lower surface of the main body part by adopting a spraying tool.
6. The stabilizer according to claim 1,
immersing the main body portion in the dustproof oil to immerse the dustproof oil in the entire main body portion.
7. The centering chip of claim 1,
the viscosity range of the dustproof oil is 50-100 cst, and the density range of the dustproof oil is 0.6-0.9 g/cm3The freezing point and the boiling point of the dustproof oil are not more than-50 degrees and not less than 200 degrees.
8. The centralizer of claim 1 wherein the dust-proof oil is disposed on the upper surface and/or the lower surface of the main body portion;
and pressing the upper surface and/or the lower surface of the body part by a pressure maintaining device.
9. A loudspeaker, comprising a housing, a vibration system and a magnetic circuit system housed in the housing; wherein the content of the first and second substances,
the vibration system comprises a diaphragm, a voice coil and the centering disk as claimed in any one of claims 1 to 8 connected with the voice coil, wherein the diaphragm and the voice coil are combined with each other;
the magnetic circuit system is provided with a magnetic gap, and the voice coil is suspended in the magnetic gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010776934.XA CN111954132B (en) | 2020-08-05 | 2020-08-05 | Centering support piece and loudspeaker provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010776934.XA CN111954132B (en) | 2020-08-05 | 2020-08-05 | Centering support piece and loudspeaker provided with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111954132A CN111954132A (en) | 2020-11-17 |
| CN111954132B true CN111954132B (en) | 2022-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010776934.XA Active CN111954132B (en) | 2020-08-05 | 2020-08-05 | Centering support piece and loudspeaker provided with same |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114095839B (en) * | 2021-11-29 | 2023-08-15 | 深圳摩罗志远科技有限公司 | Centering support tablet and preparation method thereof |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1323916B1 (en) * | 2001-12-27 | 2008-05-21 | Honda Giken Kogyo Kabushiki Kaisha | Control system for choke valve of carburetor |
| CN101998209A (en) * | 2009-08-11 | 2011-03-30 | 清华大学 | Centering support chip and loudspeaker using same |
| CN105163252A (en) * | 2015-09-25 | 2015-12-16 | 宁波中荣声学科技有限公司 | Loudspeaker unit |
| CN105163245A (en) * | 2015-09-25 | 2015-12-16 | 宁波中荣声学科技有限公司 | Loudspeaker |
| JP6986365B2 (en) * | 2016-08-23 | 2021-12-22 | アルパイン株式会社 | In-vehicle speaker system |
| CN206136265U (en) * | 2016-10-21 | 2017-04-26 | 雅博电子（绍兴）有限公司 | Play ripples convenient to it is clean |
| CN206524955U (en) * | 2017-01-20 | 2017-09-26 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN208657060U (en) * | 2018-08-18 | 2019-03-26 | 深圳市鑫凌波电子有限公司 | A kind of anti-dust accumulation Baffle Box of Bluetooth chip in surface |
| CN210927969U (en) * | 2019-12-16 | 2020-07-03 | 爱斯得电子（嘉兴）有限公司 | Excitation type loudspeaker |
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| CN111954132A (en) | 2020-11-17 |
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Effective date of registration: 20210803 Address after: 261061 phase II of Geer photoelectric Park, northwest corner of Wei'an road and Liyuan street, Ligu community, Qingchi street, high tech Zone, Weifang City, Shandong Province Applicant after: Weifang geldanna Electronic Technology Co.,Ltd. Address before: 261031 No. 268 Dongfang Road, hi tech Industrial Development Zone, Shandong, Weifang Applicant before: GOERTEK Inc. |
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