CN212324351U

CN212324351U - High-sound-pressure loudspeaker for multimedia

Info

Publication number: CN212324351U
Application number: CN202020740210.5U
Authority: CN
Inventors: 李兆胜; 邢秀宏; 石益丰
Original assignee: Changzhou Chengming Electronic Technology Co ltd
Current assignee: Changzhou Chengming Electronic Technology Co ltd
Priority date: 2020-05-08
Filing date: 2020-05-08
Publication date: 2021-01-08
Anticipated expiration: 2030-05-08

Abstract

The utility model relates to a loudspeaker is pressed to high sound for multi-media belongs to speaker preparation technical field. The voice-frequency loudspeaker comprises a voice film, an elastic wave, a voice coil and a basin frame, wherein the basin frame is of a bowl-shaped structure with an opening at the upper part, a cylindrical magnetic steel groove is arranged at the lowest part of an inner cavity of the basin frame, an annular elastic wave groove is arranged above the magnetic steel groove, and an annular voice film groove is arranged above the elastic wave groove; a cylindrical top post is arranged at the center of the bottom of the magnetic steel groove, a main magnet, a pole piece, an auxiliary magnet and a voice coil sleeved on the surfaces of the pole piece and the auxiliary magnet are sequentially arranged above the top post in the magnetic steel groove; the elastic wave groove is internally provided with elastic waves, and the bottom surfaces of the elastic waves are contacted with the upper edge of the voice coil; the voice diaphragm groove is internally provided with a voice diaphragm, the voice diaphragm is of a bowl-shaped structure with a downward concavity, and the bowl-shaped bottom is connected with a cavity above the voice coil.

Description

High-sound-pressure loudspeaker for multimedia

Technical Field

The utility model relates to a loudspeaker is pressed to high sound for multi-media belongs to speaker preparation technical field.

Background

At present, a multimedia loudspeaker is a kind of loudspeaker, mainly used in multimedia equipment, and multimedia is a combination of computer and video technology, 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. The sound pressure of the common loudspeaker for multimedia is low, and the use effect is influenced when the loudspeaker is used in a noisy environment.

In view of the above-mentioned drawbacks, the present designer is actively making research and innovation to create a high-sound-pressure speaker for multimedia, so that the speaker has more industrial application value.

Disclosure of Invention

In order to solve the above technical problem, an object of the present invention is to provide a high sound pressure speaker for multimedia.

The utility model discloses a multi-media is with high-sound pressure speaker is through on the basis of traditional magnet steel and pole piece, set up a vice magnetism in the pole piece top, cooperate its main magnet with the pole piece bottom surface, magnetic field intensity has been strengthened, make the voice coil loudspeaker voice coil amplitude increase when receiving magnetic field force, thereby produce the bigger acoustic pressure than general speaker, and then can produce bigger volume, it is good to make this speaker still sound production performance in noisy environment, in addition set up the fore-set that has buffer performance bottom the magnet bowl, the unbalance of the vibration that prevents to resonate and lead to makes the problem production that speaker output acoustic pressure reduces, further improve the acoustic pressure volume of speaker, wide application prospect has.

The utility model relates to a multimedia high-sound pressure loudspeaker, which comprises a sound film, an elastic wave, a voice coil and a basin frame,

the bathtub frame is of a bowl-shaped structure with an opening at the upper part, a cylindrical magnetic steel groove is arranged at the lowest part of an inner cavity of the bathtub frame, an annular elastic wave groove is arranged above the magnetic steel groove, and an annular sound film groove is arranged above the elastic wave groove;

a cylindrical top post is arranged at the center of the bottom of the magnetic steel groove, a main magnet, a pole piece, an auxiliary magnet and a voice coil sleeved on the surfaces of the pole piece and the auxiliary magnet are sequentially arranged above the top post in the magnetic steel groove;

the elastic wave groove is internally provided with elastic waves, and the bottom surfaces of the elastic waves are contacted with the upper edge of the voice coil;

the voice diaphragm groove is internally provided with a voice diaphragm, the voice diaphragm is of a bowl-shaped structure with a downward concavity, and the bowl-shaped bottom is connected with a cavity above the voice coil.

Furthermore, the side surface of the basin stand is also connected with a terminal board.

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.

Further, the sound film is made of a mixed material of rubber and paper.

Furthermore, the elastic wave is circular, and the inner diameter of the elastic wave ring is equal to the diameter of the voice coil.

By the scheme, the invention at least has the following advantages:

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood and to be implemented in accordance with the content of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate a certain embodiment 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 a schematic view of the whole structure of the high-sound-pressure speaker for multimedia of the present invention;

fig. 2 is an exploded view of the high sound pressure speaker for multimedia according to the present invention;

fig. 3 is a schematic perspective view of the "sound film" of the high sound pressure speaker for multimedia according to the present invention;

fig. 4 is a schematic perspective view of a "frame" of the high-sound-pressure speaker for multimedia according to the present invention;

fig. 5 is a top view of the "frame" of the high-sound-pressure speaker for multimedia according to the present invention;

wherein, in the figure, 1, sound film; 2. a terminal plate; 3. elastic wave; 4. secondary magnetism; 5. pole pieces; 6. a main magnet; 7. a voice coil; 8. a basin stand; 9. a top pillar; 10. a magnetic steel groove; 11. a wave-elastic groove; 12. a sound film groove.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Referring to fig. 1 to 5, a preferred embodiment of the present invention provides a multimedia tweeter, which comprises a sound film 1, an elastic wave 3, a voice coil 7 and a frame 8, wherein the frame 8 is a bowl-shaped structure with an opening at the top, and a terminal plate 2 is further connected to the side of the frame 8. A cylindrical magnetic steel groove 10 is arranged at the lowest part of the inner cavity of the basin frame 8, an annular elastic wave groove 11 is arranged above the magnetic steel groove 10, and an annular sound film groove 12 is arranged above the elastic wave groove 11; a cylindrical top column 9 is arranged at the center of the bottom of the magnetic steel slot 10, the top column 9 can prevent the problem that vibration unbalance caused by resonance causes reduction of output sound pressure of the loudspeaker, and therefore sound pressure volume of the loudspeaker is improved, a main magnet 6, a pole piece 5, an auxiliary magnet 4 and a voice coil 7 sleeved on the surfaces of the pole piece 5 and the auxiliary magnet 4 are sequentially arranged above the top column 9 in the magnetic steel slot 10; on the basis of the traditional magnetic steel and pole pieces, the auxiliary magnet 4 is arranged above the pole piece 5 and is matched with the main magnet 6 on the bottom surface of the pole piece 5, so that the magnetic field intensity is enhanced, the amplitude of the voice coil 7 is increased when the voice coil is subjected to magnetic field force, and therefore, the voice coil generates sound pressure larger than that of a common loudspeaker, and further can generate larger volume, and the loudspeaker can still generate sound in a noisy environment and has excellent performance; the elastic wave groove 11 is internally provided with an elastic wave 3, the elastic wave 3 is made of cloth materials with certain hardness through resin infiltration and hot press molding, and the surface of the elastic wave 3 is of a corrugated structure. The elastic wave 3 is in a ring shape, and the inner diameter of the ring of the elastic wave 3 is equal to the diameter of the voice coil 7. The bottom surface of the damper 3 is contacted with the upper edge of the voice coil 7; the sound film groove 12 is provided with a sound film 1, and the sound film 1 is made of a mixed material of rubber and paper. The voice diaphragm 1 is of a bowl-shaped structure with a downward concavity, and the bowl-shaped bottom of the voice diaphragm is connected with a cavity above the voice coil 7.

The working principle of the utility model is as follows:

the utility model discloses a multi-media is with high-sound pressure speaker is through on traditional magnet steel and pole piece 5's basis, set up a paramagnetism 4 in pole piece 5 top, with its main magnet 6 cooperation with 5 bottom surfaces of pole piece, magnetic field intensity has been strengthened, make voice coil loudspeaker voice coil 7 amplitude increase when receiving magnetic field force, thereby produce the bigger acoustic pressure than general speaker, and then can produce bigger volume, it can still sound production excellent performance in noisy environment to make this speaker, in addition set up the fore-set 9 that has buffer performance bottom the magnetic bowl, the unbalance that prevents the vibration that resonance leads to makes the problem production that speaker output acoustic pressure reduces, further improve the acoustic pressure volume of speaker, wide application prospect has.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a speaker is pressed to high sound for multimedia, includes sound membrane (1), bullet ripples (3), voice coil loudspeaker voice coil (7) and basin frame (8), its characterized in that:

the basin frame (8) is of a bowl-shaped structure with an opening at the upper part, a cylindrical magnetic steel groove (10) is arranged at the lowest part of the inner cavity of the basin frame (8), an annular elastic wave groove (11) is arranged above the magnetic steel groove (10), and an annular sound film groove (12) is arranged above the elastic wave groove (11);

a cylindrical top post (9) is arranged at the center of the bottom of the magnetic steel groove (10), and a main magnet (6), a pole piece (5), an auxiliary magnet (4) and a voice coil (7) sleeved on the surfaces of the pole piece (5) and the auxiliary magnet (4) are sequentially arranged above the top post (9) in the magnetic steel groove (10);

the elastic wave groove (11) is internally provided with an elastic wave (3), and the bottom surface of the elastic wave (3) is contacted with the upper edge of the voice coil (7);

install sound membrane (1) in sound membrane groove (12), sound membrane (1) is the bowl shape structure that has the concavity downwards, and bowl shape bottom is connected with voice coil loudspeaker voice coil (7) top cavity.

2. The high-sound-pressure speaker for multimedia as claimed in claim 1, wherein: the side surface of the basin frame (8) is also connected with a terminal board (2).

3. The high-sound-pressure speaker for multimedia as claimed in claim 1, wherein: the elastic wave (3) is made of cloth materials with certain hardness through resin infiltration and hot press molding, and the surface of the elastic wave (3) is of a corrugated structure.

4. The high-sound-pressure speaker for multimedia as claimed in claim 1, wherein: the elastic wave (3) is in a ring shape, and the inner diameter of the ring of the elastic wave (3) is equal to the diameter of the voice coil (7).