CN215121180U

CN215121180U - Full-frequency loudspeaker

Info

Publication number: CN215121180U
Application number: CN202120506466.4U
Authority: CN
Inventors: 尹金金
Original assignee: Jiangxi Shenglian Technology Collaborative Innovation Co ltd
Current assignee: Jiangxi Shenglian Technology Collaborative Innovation Co ltd
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2021-12-10
Anticipated expiration: 2031-03-10

Abstract

The utility model relates to a speaker technical field especially relates to a full frequency speaker, including support and voice coil loudspeaker voice coil, the bottom is fixed with U iron in the support, up be fixed with magnet and china department from down in proper order inside the U iron, be equipped with the clearance between U iron and magnet and the china department, the voice coil loudspeaker voice coil is fixed in aforementioned clearance, still be fixed with drum paper in the support, drum paper comprises R ring and trunk, the trunk is fixed on the support through the R ring that encircles the trunk setting, still be fixed with the bullet ripples of fixing mutually with the trunk on the inside china department of voice coil loudspeaker voice coil. An elastic wave is added at the center of the magnetic circuit to be bonded with the drum paper, so that the thickness of the whole loudspeaker is reduced, the rigidity of an R ring of the drum paper 7 can be softened due to the support of the elastic wave, the resonant frequency F0 of the product is lower, and the low-frequency characteristic of the loudspeaker is better reproduced.

Description

Full-frequency loudspeaker

[ technical field ] A method for producing a semiconductor device

The utility model relates to a speaker technical field especially relates to a full speaker.

[ background of the invention ]

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 paper cone or the diaphragm vibrate and generate resonance (resonance) with the surrounding air through electromagnetic, piezoelectric or electrostatic effect to make sound.

The loudspeaker is used as an important acoustic component of audio electronic equipment, is used for completing the conversion between an electric signal and an acoustic signal, is an energy conversion device, and is widely applied to electronic products such as multimedia sound boxes, AI intelligent sound boxes, portable sound boxes, mobile phones, earphones and the like. The effective height of the drum paper is reduced, so that the effective bandwidth of the loudspeaker is narrowed, the peak valley of a frequency response curve is large (the curve is not flat enough), the high-frequency characteristic is obviously attenuated, and the sound quality radiated by the whole loudspeaker is deteriorated.

The utility model discloses it is not enough to solve prior art and research and propose.

[ Utility model ] content

The utility model aims at overcoming above-mentioned prior art's shortcoming, provide a full frequency loudspeaker.

The utility model discloses can realize through following technical scheme:

the utility model discloses a full frequency loudspeaker, including support and voice coil loudspeaker voice coil, the bottom is fixed with U iron in the support, inside from up being fixed with magnet and china department down in proper order of U iron, be equipped with the clearance between U iron and magnet and the china department, the voice coil loudspeaker voice coil is fixed in aforementioned clearance, still be fixed with drum paper in the support, drum paper comprises R ring and trunk, the trunk is fixed on the support through the R ring that encircles the trunk setting, still be fixed with the bullet ripples of fixing mutually with the trunk on the inside china department of voice coil loudspeaker voice coil. Wherein the U iron, the magnet and the washer form a magnetic circuit system; the elastic wave, the drum paper and the voice coil form a vibration system; the support, the terminal board and the gasket form other auxiliary connecting systems, a magnet is arranged in the U-iron, the U-iron is firstly tightly bonded with the magnet, the washer is then tightly bonded with the magnet, the magnetic circuit system is magnetized after being assembled, and the elastic wave is bonded with the magnetized magnetic circuit system through the positioning jig; bonding the voice coil and the drum paper by coating glue on the membrane jig and the support provided with the terminal board, and soldering tin by using an electric soldering iron after the lead wire of the voice coil and the terminal board are adjusted to have corresponding radians so as to lead the coil in the voice coil to be conducted with the terminal board through the lead wire; and gluing the joint of the drum paper and the elastic wave of the assembled vibration system, putting the vibration system into the assembled magnetic circuit system, and gluing the joint of the U-shaped iron and the bracket to tightly bond the U-shaped iron and the bracket together. At the moment, a magnetic gap is formed between the inner wall of the U-shaped iron and the outer side of the magnet and the outer side of the washer, the magnetized magnet generates magnetic lines of force in the magnetic gap, and the coil of the voice coil is suspended in the magnetic gap according to the originally designed position through the elastic wave and the drum paper. The magnetized magnet generates an annular magnetic field in a magnetic gap of the loudspeaker, a coil in the voice coil is positioned in the magnetic field at the moment, when an electric signal is input at one end of the terminal board, the electric signal enables the coil of the voice coil to generate current, the coil can be stressed in the direction vertical to the magnetic field to move, once the voice coil is stressed to move, the coil can cut magnetic lines in the magnetic gap, when the magnitude of external signal current changes, according to the left-hand rule of Buddha, the coil can be stressed to move along with the magnitude and the direction of the current, and drum paper connected with the voice coil is pushed to radiate sound outwards.

Compared with the prior art, the utility model has the advantages that:

an elastic wave is added at the center of the magnetic circuit to be bonded with the drum paper, so that the thickness of the whole loudspeaker is reduced, the rigidity of an R ring of the drum paper 7 can be softened due to the support of the elastic wave, the resonant frequency F0 of the product is lower, and the low-frequency characteristic of the loudspeaker is better reproduced.

[ description of the drawings ]

The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:

fig. 1 is a cross-sectional view of the present invention;

FIG. 2 is an exploded view of the present invention;

in the figure: 1, U iron, 2 magnets, 3, washer, 4, damper, 5, terminal board, 6, bracket, 7, drum paper, 7a.R ring, 7b body, 8 voice coil, 9 gasket, 10 gap;

[ detailed description ] embodiments

The following detailed description of embodiments of the present invention is made with reference to the accompanying drawings:

as shown in fig. 1 to 2, the utility model discloses a full frequency loudspeaker, including support 6 and voice coil loudspeaker voice coil 8, the bottom is fixed with U indisputable 1 in the support 6, and U is indisputable 1 inside from up being fixed with magnet 2 and china department 3 in proper order down, is equipped with clearance 10 between U indisputable 1 and magnet 2 and the china department 3, and voice coil loudspeaker voice coil 8 is fixed in clearance 10, still is fixed with drum paper 7 in the support 6, and drum paper 7 comprises R ring 7a and trunk 7b, and trunk 7b is fixed on support 6 through the R ring 7a that encircles the setting of trunk 7b, still is fixed with the elastic wave 4 fixed mutually with trunk 7b on the inside china department 3 of voice coil loudspeaker voice coil 8. The U iron 1, the magnet 2 and the washer 3 form a magnetic circuit system; the damper 4, the drum paper 7 and the voice coil 8 form a vibration system; the bracket 6, the terminal board 5 and the gasket 9 form other auxiliary connecting systems, the magnet 2 is arranged in the U-shaped iron 1, the U-shaped iron 1 is firstly tightly bonded with the magnet 2, the washer 3 is then tightly bonded with the magnet 2, the magnetic circuit system is magnetized after being assembled, and the elastic wave 4 is bonded with the magnetized magnetic circuit system through a positioning jig; coating glue on a voice coil 8 and drum paper 7 by a film fixture and a support 6 provided with a terminal board 5, bonding, and soldering tin by using electric soldering iron after the lead wire of the voice coil 8 and the terminal board 5 are adjusted to have corresponding radians so that the coil in the voice coil 8 is communicated with the terminal board 5 through the lead wire; and gluing the joint of the drum paper 7 and the damper 4 of the assembled vibration system, putting the vibration system into the assembled magnetic circuit system, and gluing the joint of the U-shaped iron 1 and the bracket 6 to tightly bond the U-shaped iron and the bracket together. At this time, a magnetic gap is formed between the inner wall of the U-shaped iron 1 and the outer side of the magnet 2 and the outer side of the washer 3, the magnetized magnet 2 generates magnetic lines of force in the magnetic gap, and the coil of the voice coil 8 is suspended in the magnetic gap according to the originally designed position through the damper 4 and the drum paper 7. The magnetized magnet 2 generates an annular magnetic field in a magnetic gap of the loudspeaker, at the moment, a coil in the voice coil 8 is located in the magnetic field, when an electric signal is input at one end of the terminal board 5, the electric signal enables the coil of the voice coil 8 to generate current, the coil can be stressed in the direction vertical to the magnetic field to move, once the voice coil 8 moves under force, the coil can cut magnetic lines in the magnetic gap, when the magnitude of external signal current changes, according to the left-hand rule of Buddha, the coil can move under force along with the magnitude and the direction of the current, and drum paper 7 connected with the voice coil 8 is pushed to radiate sound outwards.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many changes, modifications, substitutions and variations can be made to the embodiments without departing from the technical principles of the present invention, and these changes, modifications, substitutions and variations should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides a full frequency loudspeaker, includes support and voice coil loudspeaker voice coil, its characterized in that: the bottom is fixed with U iron in the support, inside from up being fixed with magnet and china department down in proper order of U iron, be equipped with the clearance between U iron and magnet and the china department, the voice coil loudspeaker voice coil is fixed in aforementioned clearance, still be fixed with drum paper in the support, drum paper comprises R ring and carcass, the carcass is fixed on the support through the R ring that encircles the carcass setting, still be fixed with the bullet wave of fixing mutually with the carcass on the inside china department of voice coil loudspeaker voice coil.