CN111163407B - Loudspeaker with positioning piece and assembling method thereof - Google Patents
Loudspeaker with positioning piece and assembling method thereof Download PDFInfo
- Publication number
- CN111163407B CN111163407B CN202010006464.9A CN202010006464A CN111163407B CN 111163407 B CN111163407 B CN 111163407B CN 202010006464 A CN202010006464 A CN 202010006464A CN 111163407 B CN111163407 B CN 111163407B
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- CN
- China
- Prior art keywords
- voice coil
- hole
- vibrating diaphragm
- positioning
- loudspeaker
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000001746 injection moulding Methods 0.000 claims abstract description 13
- 238000002347 injection Methods 0.000 claims abstract description 8
- 239000007924 injection Substances 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 125000006850 spacer group Chemical group 0.000 claims abstract description 7
- 239000007787 solid Substances 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 239000012466 permeate Substances 0.000 claims abstract description 3
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
- H04R31/006—Interconnection of transducer parts
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2231/00—Details of apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor covered by H04R31/00, not provided for in its subgroups
- H04R2231/003—Manufacturing aspects of the outer suspension of loudspeaker or microphone diaphragms or of their connecting aspects to said diaphragms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Manufacturing & Machinery (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The invention relates to the field of speakers, and provides a speaker with a positioning piece and an assembling method thereof. A method of assembling a loudspeaker with a spacer, comprising the steps of: s1, bonding the top ball with the second through hole and the third through hole on the outer side of the vibrating part of the vibrating diaphragm with the first through hole; s2, placing the vibrating diaphragm bonded with the ball top into an injection mold, and placing the voice coil into the injection mold; s3, starting an injection molding process, enabling injection molding molten liquid to permeate into the first through hole, the second through hole and the third through hole, bonding the voice coil, the vibrating diaphragm and the ball top into a whole, and cooling the injection molding molten liquid to form a solid positioning piece; and S4, bonding the base frame bonded with the magnetic circuit system on the diaphragm to complete the assembly. The adoption is provided with the setting element between vibrating diaphragm and voice coil loudspeaker voice coil, not only of setting element is fixed as an organic whole with voice coil loudspeaker voice coil, vibrating diaphragm and ball top, and has increased the depth of insertion of voice coil loudspeaker voice coil in magnetic field to increased the effective height in voice coil loudspeaker voice coil cutting magnetic field, promoted the electroacoustic performance of speaker.
Description
Technical Field
The invention relates to the field of speakers, in particular to a speaker with a positioning piece and an assembling method thereof.
Background
The loudspeaker is a transducer for converting an electric signal into an acoustic signal, and the quality of the loudspeaker has great influence on the sound quality. The loudspeaker is the weakest component in the audio equipment, and is the most important component for the audio effect. Loudspeakers are of a wide variety and vary widely in price. The audio frequency electric energy makes the vibrating diaphragm vibrate and generate resonance (resonance) with the surrounding air to make sound through electromagnetic, piezoelectric or electrostatic effect.
At present, the effective height of a voice coil cutting magnetic field of a loudspeaker on the existing market is lower, so that the electroacoustic performance of the loudspeaker is poorer.
Disclosure of Invention
The invention provides a loudspeaker with a positioning piece and an assembling method thereof, which can effectively solve the problems.
The invention is realized by the following steps:
a method of assembling a loudspeaker with a spacer, comprising the steps of:
s1, bonding the top ball with the second through hole and the third through hole on the outer side of the vibrating part of the vibrating diaphragm with the first through hole;
s2, placing the vibrating diaphragm bonded with the ball top into an injection mold, and placing the voice coil into the injection mold;
s3, starting an injection molding process, enabling injection molding molten liquid to permeate into the first through hole, the second through hole and the third through hole, bonding the voice coil, the vibrating diaphragm and the ball top into a whole, and cooling the injection molding molten liquid to form a solid positioning piece;
and S4, bonding the base frame bonded with the magnetic circuit system on the diaphragm to complete the assembly.
A loudspeaker with a spacer, comprising: magnetic circuit, vibration system and bed frame, magnetic circuit includes central magnet and limit magnet, vibration system includes voice coil loudspeaker voice coil, vibrating diaphragm and ball top, vibration system further includes the setting element, and it includes:
a first positioning portion connected between the voice coil and the diaphragm;
the interval sets up in first location portion keeps away from the second location portion of voice coil loudspeaker voice coil one side, be equipped with on the vibrating diaphragm with second location portion complex first through-hole.
As a further improvement, the positioning element further includes a clamping portion vertically connected to the second positioning portion and abutted against the diaphragm.
As a further improvement, the ball top is provided with:
a second through hole partially fitted with the second positioning portion;
and the third through hole is communicated with one side of the second through hole, which is far away from the vibrating diaphragm, and is matched with the clamping part.
As a further improvement, the first positioning portion is provided with a limit groove matched with the voice coil.
As a further improvement, the depth of the limiting groove is 0.2 mm-3 mm.
In a further improvement, the height of the first positioning portion is 1mm to 5 mm.
The invention has the beneficial effects that: the adoption is provided with the setting element between vibrating diaphragm and voice coil loudspeaker voice coil, not only of setting element is fixed as an organic whole with voice coil loudspeaker voice coil, vibrating diaphragm and ball top, and has increased the depth of insertion of voice coil loudspeaker voice coil in magnetic field to increased the effective height in voice coil loudspeaker voice coil cutting magnetic field, promoted the electroacoustic performance of speaker.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is an exploded view of the structure provided by the embodiment of the present invention.
Fig. 2 is a cross-sectional view provided by an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a positioning element according to an embodiment of the present invention.
Fig. 4 is a schematic view of a diaphragm and a dome assembly provided in an embodiment of the present invention.
Fig. 5 is a schematic view of a diaphragm structure according to an embodiment of the present invention.
In the figure: 1. center magnet 2, edge magnet 3, pedestal 4, voice coil 5, vibrating diaphragm
51. First through hole 6, ball top 61, second through hole 62, third through hole
7. Positioning member 71, first positioning portion 711, stopper groove 72, second positioning portion
73. Clamping part 8.U iron
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 5, a speaker with a positioning member 7 includes: magnetic circuit, vibration system, bed frame 3 and U iron 8, magnetic circuit includes central magnet 1 and limit magnet 2, vibration system includes voice coil loudspeaker voice coil 4, vibrating diaphragm 5 and dome 6, vibration system further includes setting element 7, and it includes: a first positioning portion 71 connected between the voice coil 4 and the diaphragm 5; and a second positioning portion 72 spaced apart from the first positioning portion 71 and away from the voice coil 4, wherein the diaphragm 5 is provided with a first through hole 51 engaged with the second positioning portion 72. The adoption is provided with setting element 7 between vibrating diaphragm 5 and voice coil 4, setting element 7 not only fixes voice coil loudspeaker voice coil 4, vibrating diaphragm 5 and dome 6 as an organic whole, and has increased the depth of insertion of voice coil loudspeaker voice coil 4 in magnetic field to increased the effective height in voice coil loudspeaker voice coil 4 cutting magnetic field, promoted the electroacoustic performance of speaker.
Referring to fig. 2 to 3, the positioning member 7 further includes a clamping portion 73 vertically connected to the second positioning portion 72 and abutting against the diaphragm 5. The ball top 6 is provided with: a second through hole 61 partially fitted with the second positioning portion 72; and a third through hole 62 communicated with the second through hole 61 far away from one side of the diaphragm 5 and matched with the clamping part 73.
As shown in fig. 2, the height of the first positioning portion 71 is 1mm to 5 mm. In this embodiment, the height of the first positioning portion 71 is 3 mm. The first positioning portion 71 is provided with a limiting groove 711 matched with the voice coil 4, and the depth of the limiting groove 711 is 0.2 mm-3 mm. In this embodiment, the depth of the limiting groove 711 is 1 mm. That is, in the present embodiment, the voice coil 4 is raised by 2mm compared to the conventional speaker without the spacer 7. The arrangement of the limiting groove 711 improves the positioning precision of the voice coil 4, improves the vibration resistance of the voice coil 4, reduces the falling risk of the voice coil 4, and improves the production and assembly efficiency of the voice coil device.
The positioning member 7 is made of plastic. The voice coil 4 and the vibrating diaphragm 5 are respectively arranged in a mould cavity, the voice coil 4, the vibrating diaphragm 5 and the ball top 6 are bonded together through plastic after injection moulding, and then the loudspeaker is assembled through subsequent loudspeaker assembling procedures. Compared with the traditional voice coil 4 assembling process, the assembling efficiency and the assembling precision are improved. Note that the positioning member 7 is cooled from a molten state to a solid state.
A method of assembling a loudspeaker with a spacer, comprising the steps of:
s1, bonding the dome 6 with the second through hole 61 and the third through hole 62 on the outer side of the vibrating part of the vibrating diaphragm 5 with the first through hole 51;
s2, placing the diaphragm 5 bonded with the ball top 6 into an injection mold, and placing the voice coil 4 into the injection mold;
s3, starting an injection molding process, enabling injection molding molten liquid to penetrate into the first through hole 51, the second through hole 61 and the third through hole 62, bonding the voice coil 4, the vibrating diaphragm 5 and the ball top 6 into a whole, and cooling the injection molding molten liquid to form a solid positioning piece 7;
and S4, bonding the base frame 3 bonded with the magnetic circuit system on the diaphragm 5 to complete the assembly.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A method of assembling a loudspeaker with a spacer, comprising the steps of:
s1, bonding the top ball with the second through hole and the third through hole to the outer side of the vibrating part of the vibrating diaphragm with the first through hole;
s2, placing the vibrating diaphragm bonded with the ball top into an injection mold, and placing the voice coil into the injection mold;
s3, starting an injection molding process, enabling injection molding molten liquid to permeate into the first through hole, the second through hole and the third through hole, bonding the voice coil, the vibrating diaphragm and the ball top into a whole, and cooling the injection molding molten liquid to form a solid positioning piece;
s4, adhering the base frame adhered with the magnetic circuit system on the vibrating diaphragm to complete the assembly;
wherein, the positioning member in step S3 includes:
the first positioning part is connected between the voice coil and the vibrating diaphragm, and a limiting groove matched with the voice coil is formed in the first positioning part;
the second positioning part is arranged on one side, far away from the voice coil, of the first positioning part at intervals, the first through hole in the vibrating diaphragm is matched with the second positioning part, and the second through hole in the top of the ball is partially matched with the second positioning part;
the third through hole is located in the second through hole, is far away from one side of the vibrating diaphragm and is matched with the clamping portion.
2. A loudspeaker with a spacer, comprising: magnetic circuit, vibration system and bed frame, magnetic circuit includes central magnet and limit magnet, vibration system includes voice coil loudspeaker voice coil, vibrating diaphragm and ball top, its characterized in that, vibration system further includes the setting element, and it includes:
a first positioning portion connected between the voice coil and the diaphragm;
the second positioning part is arranged on one side, away from the voice coil, of the first positioning part at intervals, and the vibrating diaphragm is provided with a first through hole matched with the second positioning part;
the positioning piece further comprises a clamping part which is vertically connected with the second positioning part and is abutted against the vibrating diaphragm;
the ball top is provided with:
a second through hole partially fitted with the second positioning portion;
the third through hole is communicated with one side, far away from the vibrating diaphragm, of the second through hole and matched with the clamping part;
and the first positioning part is provided with a limiting groove matched with the voice coil.
3. The loudspeaker with the positioning piece as claimed in claim 2, wherein the depth of the limiting groove is 0.2mm to 3 mm.
4. The loudspeaker with the positioning member as claimed in claim 2, wherein the height of the first positioning portion is 1mm to 5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010006464.9A CN111163407B (en) | 2020-01-03 | 2020-01-03 | Loudspeaker with positioning piece and assembling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010006464.9A CN111163407B (en) | 2020-01-03 | 2020-01-03 | Loudspeaker with positioning piece and assembling method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111163407A CN111163407A (en) | 2020-05-15 |
| CN111163407B true CN111163407B (en) | 2020-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010006464.9A Active CN111163407B (en) | 2020-01-03 | 2020-01-03 | Loudspeaker with positioning piece and assembling method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111163407B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN111163407A (en) | 2020-05-15 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A loudspeaker with positioning components and its assembly method Granted publication date: 20201225 Pledgee: Xiamen Xiang'an District Branch of China Postal Savings Bank Co.,Ltd. Pledgor: XIAMEN TUNESS ELECTRONIC Co.,Ltd. Registration number: Y2024980036477 |
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