CN209861155U - Multimedia loudspeaker - Google Patents
Multimedia loudspeaker Download PDFInfo
- Publication number
- CN209861155U CN209861155U CN201921051651.8U CN201921051651U CN209861155U CN 209861155 U CN209861155 U CN 209861155U CN 201921051651 U CN201921051651 U CN 201921051651U CN 209861155 U CN209861155 U CN 209861155U
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- voice coil
- elastic wave
- sound film
- loudspeaker
- basin frame
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Abstract
The utility model belongs to the technical field of the speaker, concretely relates to multimedia loudspeaker. The loudspeaker comprises a basin frame, a porcelain bowl, a pole piece, magnetic steel, a voice coil and an elastic wave, wherein the basin frame is internally provided with a U-shaped concave cavity, and the porcelain bowl is connected with the bottom of the basin frame to form a semi-enclosed structure; the upper surface of the porcelain bowl is sequentially provided with a magnetic steel, a pole piece and a voice coil; the outer edge of the elastic wave is fixedly connected with the basin frame, and the inner edge of the elastic wave is connected with the voice coil; the loudspeaker also comprises a sound film, wherein the sound film is arranged above the voice coil and fixedly connected with the voice coil, the sound film is of a downward bowl-shaped structure with concavity, the bottom of the bowl-shaped structure is connected with a cavity above the voice coil, and the deflection of elastic waves is 0.5-5mm/50 g; the sound film consists of a paper layer and a rubber layer coated on the outer surface of the paper layer; a sound cavity is formed between the elastic wave and the sound film. The loudspeaker reduces the resonance frequency of the loudspeaker by changing the hardness of the sound film and the elastic wave and the position between the sound film and the elastic wave, and does not influence the service life of the loudspeaker.
Description
Technical Field
The utility model belongs to the technical field of the speaker, concretely relates to multimedia loudspeaker.
Background
The multimedia loudspeaker is one of loudspeakers, mainly used in multimedia devices, and multimedia is a combination of computer and video technologies, and actually it is two media: sound and images, i.e. stereo and television. The electroacoustic performance of a loudspeaker generally uses a series of electroacoustic parameters as indexes, wherein the resonant frequency is the frequency corresponding to the occurrence of the first impedance maximum on the impedance curve of the loudspeaker.
In multimedia devices, low frequency speakers capable of reproducing various low frequency signals are generally used in order to create a specific effect. In the prior art, in order to realize low frequency, the multimedia loudspeaker generally increases the humidity and temperature of the loudspeaker using environment, and the higher the humidity is, the lower the FO is; the higher the temperature, the lower the FO; or the input power is increased as much as possible within the limit of the rated input power, and the resonant frequency is slightly reduced. However, the long-term use of the cooker affects the service life of the loudspeaker.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: to the above defect, the utility model provides a multimedia loudspeaker through the position that sets up between the soft or hard degree, sound membrane and the bullet ripples that changes sound membrane and bullet ripples, reduces the resonant frequency of this speaker, does not influence the life of speaker.
The utility model provides a technical scheme that its technical problem adopted as follows: a multimedia loudspeaker comprises a basin frame, a porcelain bowl, a pole piece, magnetic steel, a voice coil and an elastic wave, wherein the basin frame is a U-shaped concave cavity, and the porcelain bowl is connected with the bottom of the basin frame to form a semi-surrounding structure; the upper surface of the porcelain bowl is sequentially provided with magnetic steel, a pole piece and a voice coil; the outer edge of the elastic wave is fixedly connected with the basin frame, and the inner edge of the elastic wave is connected with the voice coil; the voice coil is arranged above the voice coil, the voice coil is fixedly connected with the voice coil, the voice film is of a downward bowl-shaped structure with a concavity, the bottom of the bowl-shaped structure is connected with a cavity above the voice coil, and the deflection of the elastic waves is 0.5-5mm/50 g; the sound film consists of a paper layer and a rubber layer coated on the outer surface of the paper layer; a sound cavity is formed between the elastic wave and the sound film.
The loudspeaker limits the elastic wave on the voice coil and the basin frame, thereby not only ensuring the correct position of the voice coil in the magnetic gap, but also reducing the influence on the movement of the voice coil; the deflection of the elastic wave is adjusted within a certain range, namely the compliance of the elastic wave is controlled, and the resonance frequency of the loudspeaker is reduced without influencing the internal structure of the loudspeaker; the sound film is a soft paper layer and has a double-layer structure coated with a rubber layer on the surface, so that the softness and hardness of the sound film are ensured, and the resonance frequency of the loudspeaker is further reduced; compared with the loudspeaker in the prior art, the loudspeaker is simple in structure, the use environment of the loudspeaker does not need to be changed artificially, and the service life of the loudspeaker is not influenced.
Furthermore, the elastic wave is made of cloth materials with certain hardness through resin infiltration and hot press molding, and the surface of the elastic wave is of a corrugated structure. The elastic wave is made of cloth materials, the ripples of the elastic wave can be flexibly arranged, and the elastic wave has certain hardness and avoids deformation of the elastic wave.
Further, still include the dust cap, the dust cover is connected with the sound membrane inner edge, the dust cover is the half arc structure of undercut, and sunken radian is not more than the degree of concavity of sound membrane. Through setting up the dust cap, both can avoid because of exposing outside for a long time, the inside dust that gets into of speaker influences its sound production quality and life, can improve the bass again, reduces the audio frequency of speaker.
Furthermore, a bayonet for embedding the terminal board is further arranged on the basin frame.
Furthermore, the porcelain bowl is connected with the basin frame in a clamping mode. The connection mode of block connection, the dismouting of this multimedia loudspeaker of being convenient for, it is convenient to overhaul.
The utility model has the advantages that: by adopting the scheme, the loudspeaker limits the elastic waves on the voice coil and the basin frame, so that the correct position of the voice coil in the magnetic gap can be ensured, and the influence on the movement of the voice coil can be reduced; the deflection of the elastic wave is adjusted within a certain range, namely the compliance of the elastic wave is controlled, and the resonance frequency of the loudspeaker is reduced without influencing the internal structure of the loudspeaker; the sound film is a soft paper layer and has a double-layer structure coated with a rubber layer on the surface, so that the softness and hardness of the sound film are ensured, and the resonance frequency of the loudspeaker is further reduced; compared with the loudspeaker in the prior art, the loudspeaker has a simple structure, does not need to change the use environment of the loudspeaker manually, and does not influence the service life of the loudspeaker; the elastic wave is made of cloth materials, so that the corrugation of the elastic wave can be flexibly arranged, and the elastic wave has certain hardness, and the deformation of the elastic wave is avoided; by arranging the dustproof cap, the phenomenon that dust enters the loudspeaker due to long-term exposure can be avoided, the sounding quality and the service life of the loudspeaker are influenced, bass can be improved, and the audio frequency of the loudspeaker can be reduced; the porcelain bowl and the basin frame are connected in a clamping mode, so that the multimedia loudspeaker is convenient to disassemble and assemble and convenient to overhaul.
Drawings
The foregoing and other objects, features, and advantages of the invention will be apparent from the following detailed description taken in conjunction with the accompanying drawings.
FIG. 1 is a sectional view of the three-dimensional structure of the present invention;
FIG. 2 is an exploded view of the present invention;
wherein: 1 is the basin frame, 2 is the porcelain bowl, 3 is the pole piece, 4 is the magnet steel, 5 is the voice coil loudspeaker voice coil, 6 is the sound membrane, 7 is the dust cap, 8 is the bullet ripples, 9 is the terminal block.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and 2, the multimedia loudspeaker comprises a basin frame 1, a porcelain bowl 2, a pole piece 3, magnetic steel 4, a voice coil 5, an elastic wave 8, a sound film 6 and a dustproof cap 7, wherein the basin frame 1 is a U-shaped concave cavity, and the porcelain bowl 2 is connected with the bottom of the basin frame 1 in a clamping manner to form a semi-enclosed structure; the magnetic steel 4, the pole piece 3 and the voice coil 5 are sequentially arranged on the upper surface of the porcelain bowl 2; the outer edge of the damper 8 is fixedly connected with the basin frame 1, and the inner edge is connected with the voice coil 5; the voice coil is characterized in that the voice film 6 is arranged above the voice coil 5, the voice film 6 is fixedly connected with the voice coil 5, the voice film 6 is of a downward bowl-shaped structure with a concavity, the bottom of the bowl-shaped structure is connected with a cavity above the voice coil 5, and the voice film 6 consists of a paper layer and a rubber layer coated on the outer surface of the paper layer; the elastic wave 8 is made of cloth materials with certain hardness through resin infiltration and hot press molding, the surface of the elastic wave 8 is of a corrugated structure, and the displacement of the elastic wave is 1mm/50 g; a sound cavity is formed between the elastic wave 8 and the sound film 6; the dustproof cover 7 is connected with the inner edge of the sound film 6, the dustproof cover 7 is of a semi-arc structure which is sunken downwards, and the sunken radian is not larger than the sunken degree of the sound film 6; the basin frame 1 is also provided with a bayonet for the terminal board 9 to be embedded, and the terminal board 9 is embedded into the outer side wall of the basin frame 1 from the bayonet.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (5)
1. A multimedia loudspeaker comprises a basin frame (1), a porcelain bowl (2), a pole piece (3), magnetic steel (4), a voice coil (5) and an elastic wave (8), wherein the basin frame (1) is a U-shaped concave cavity, and the porcelain bowl (2) is connected with the bottom of the basin frame (1) to form a semi-surrounding structure; the upper surface of the porcelain bowl (2) is sequentially provided with a magnetic steel (4), a pole piece (3) and a voice coil (5); the outer edge of the elastic wave (8) is fixedly connected with the basin frame (1), and the inner edge of the elastic wave is connected with the voice coil (5); the method is characterized in that: the voice coil is characterized by further comprising a sound film (6), wherein the sound film (6) is arranged above the voice coil (5), the sound film (6) is fixedly connected with the voice coil (5), the sound film (6) is of a downward bowl-shaped structure with concavity, the bottom of the bowl-shaped structure is connected with a cavity above the voice coil (5), and the deflection of the elastic wave (8) is 0.5-5mm/50 g; the sound film (6) consists of a paper layer and a rubber layer coated on the outer surface of the paper layer; a sound cavity is arranged between the elastic wave (8) and the sound film (6).
2. A multimedia speaker as claimed in claim 1, wherein: the elastic wave (8) is made of cloth materials with certain hardness through resin infiltration and hot press molding, and the surface of the elastic wave (8) is of a corrugated structure.
3. A multimedia speaker as claimed in claim 1, wherein: still include dust cap (7), dust cap (7) are connected with sound membrane (6) inner edge, dust cap (7) are undercut's half arc structure, and sunken radian is not more than the degree of caving in of sound membrane (6).
4. A multimedia speaker as claimed in claim 1, wherein: the basin stand (1) is also provided with a bayonet for the terminal board (9) to be embedded into.
5. A multimedia speaker as claimed in claim 1, wherein: the porcelain bowl (2) is connected with the basin frame (1) in a clamping manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921051651.8U CN209861155U (en) | 2019-07-05 | 2019-07-05 | Multimedia loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921051651.8U CN209861155U (en) | 2019-07-05 | 2019-07-05 | Multimedia loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209861155U true CN209861155U (en) | 2019-12-27 |
Family
ID=68943148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921051651.8U Active CN209861155U (en) | 2019-07-05 | 2019-07-05 | Multimedia loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209861155U (en) |
-
2019
- 2019-07-05 CN CN201921051651.8U patent/CN209861155U/en active Active
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