CN218976823U - Square loudspeaker with five-magnet structure - Google Patents

Abstract

The utility model relates to the technical field of speakers, in particular to a square horn with a five-magnet structure, which comprises a voice coil and a bracket, wherein a york is fixed on the bracket, a main magnet is fixed at the upper end of the york, a gap is arranged between the peripheral side of the main magnet and the york, the voice coil is arranged in the gap, a main washer is fixed at the upper end of the main magnet inside the voice coil, an auxiliary magnet I, an auxiliary magnet II, an auxiliary magnet III and an auxiliary magnet IV which are sequentially connected are respectively arranged on four inner side walls of the york outside the voice coil, and the voice coil is fixed on the bracket through a diaphragm. The auxiliary magnet I, the auxiliary magnet II, the auxiliary magnet III and the auxiliary magnet IV form an auxiliary magnetic field, and magnetic lines of force at the position of the voice coil can be concentrated after the auxiliary magnetic field is increased, so that the magnetic field at the position of the voice coil is increased, the magnetism at the position of the voice coil is enhanced, the voice coil is electrified to drive the diaphragm to vibrate more easily, the sensitivity of the voice coil is improved, and the product performance and the noise reduction depth are improved.

Description

Square loudspeaker with five-magnet structure

[ field of technology ]

The utility model relates to the technical field of speakers, in particular to a square horn with a five-magnet structure.

[ background Art ]

The loudspeaker is also called as a loudspeaker, which is a transducer for converting an electric signal into an acoustic signal, and the performance of the loudspeaker has great influence on sound quality. The loudspeaker is the weakest element in the sound equipment and is in turn the most important component for the sound effect. Speakers are of a wide variety and are widely priced. The audio electric energy makes its cone or diaphragm vibrate and resonate (resonate) with surrounding air to make sound by electromagnetic, piezoelectric or electrostatic effect.

But most of the current horns are of single magnet structure, such as patent application number: CN2020236132. X discloses a speaker of increase low frequency band, including support and voice coil, the support internal fixation has U iron, U iron is inside to be fixed with magnet and washer from down up in proper order, and such single magnet loudspeaker is lower at the magnetic field strength of voice coil position, leads to the voice coil sensitivity to bottom, produces the noise easily during high frequency.

The utility model is researched and proposed for overcoming the defects of the prior art.

[ utility model ]

The utility model aims to overcome the defects of the prior art and provides a square loudspeaker with a five-magnet structure.

The utility model can be realized by the following technical scheme:

the utility model discloses a square loudspeaker with a five-magnet structure, which comprises a voice coil and a bracket, wherein a york is fixed on the bracket, a main magnet is fixed at the upper end of the york, a gap is arranged between the peripheral side of the main magnet and the york, the voice coil is arranged in the gap, a main washer is fixed at the upper end of the main magnet inside the voice coil, an auxiliary magnet I, an auxiliary magnet II, an auxiliary magnet III and an auxiliary magnet IV which are sequentially connected are respectively arranged on four inner side walls of the york outside the voice coil, an auxiliary Hua Si is fixed at the upper end of the auxiliary magnet I, an auxiliary washer II is fixed on the auxiliary magnet II, an auxiliary washer III is fixed on the auxiliary magnet III, an auxiliary Hua Si is fixed on the auxiliary magnet IV, and the voice coil is fixed on the bracket through a diaphragm. When current passes through the voice coil after power amplification, the voice coil makes a cutting magnetic force field motion in a permanent magnetic field, and the voice coil vibrates up and down, so that a diaphragm connected with the voice coil in an adhesive mode is driven to vibrate, air vibration is driven to generate sound, and sound waves are transmitted (music which can be heard by people); the energy conversion principle is as follows: electric energy- > magnetic energy- > acoustic energy; the auxiliary magnet I, the auxiliary magnet II, the auxiliary magnet III and the auxiliary magnet IV are respectively fixedly connected to the four side walls of the outer part of the voice coil, an auxiliary magnetic field is formed by the auxiliary magnet I, the auxiliary magnet II, the auxiliary magnet III and the auxiliary magnet IV, magnetic force lines at the position of the voice coil can be concentrated after the auxiliary magnetic field is increased, so that the magnetic field at the position of the voice coil is increased, the magnetism at the position of the voice coil is enhanced, the voice coil is electrified to drive the diaphragm to vibrate more easily, the sensitivity of the voice coil is improved, and the product performance and the noise reduction depth are improved.

Preferably, the membrane is fixed to the support by a clip-shaped bead.

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

1. the auxiliary magnet I, the auxiliary magnet II, the auxiliary magnet III and the auxiliary magnet IV are respectively fixedly connected to the four side walls of the outer part of the voice coil, an auxiliary magnetic field is formed by the auxiliary magnet I, the auxiliary magnet II, the auxiliary magnet III and the auxiliary magnet IV, magnetic force lines at the position of the voice coil can be concentrated after the auxiliary magnetic field is increased, so that the magnetic field at the position of the voice coil is increased, the magnetism at the position of the voice coil is enhanced, the voice coil is electrified to drive the diaphragm to vibrate more easily, the sensitivity of the voice coil is improved, and the product performance and the noise reduction depth are improved.

2. The main magnet is fixed on the york, the york is directly fixed on the bracket, one metal shell is reduced compared with a conventional loudspeaker, one assembly step is reduced, and the assembly is simpler and more convenient and structurally stable.

3. The auxiliary magnetic field is formed by assembling four independent magnets, so that the universality is high, and the market competitiveness is improved.

[ description of the drawings ]

The utility model is described in further detail below with reference to the attached drawing figures, wherein:

FIG. 1 is an exploded view of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is another angular cross-sectional view of the present utility model;

in the figure: 1. a voice coil; 2. a sub Hua Si; 3. a secondary magnet I; 4. a main magnet; 5. a main washer; 6. about gram; 7. a secondary magnet III; 8. a sub Hua Si; 9. a bracket; 10. edge pressing; 11. a membrane; 12. a sub Hua Si; 13. a secondary magnet II; 14. a secondary magnet IV; 15. a sub Hua Si;

[ detailed description ] of the utility model

Embodiments of the present utility model will be described in detail below with reference to the attached drawings:

example 1:

as shown in fig. 1 to 3, this embodiment discloses a square loudspeaker with a five-magnet structure, which comprises a voice coil 1 and a support 9, wherein a joker 6 is fixed on the support 9, a main magnet 4 is fixed at the upper end of the joker 6, a gap is arranged between the peripheral side of the main magnet 4 and the joker 6, the voice coil 1 is arranged in the gap, a main washer 5 is fixed at the upper end of the main magnet 4 inside the voice coil 1, an auxiliary magnet i 3, an auxiliary magnet ii 13, an auxiliary magnet iii 7 and an auxiliary magnet iv 14 which are sequentially connected are respectively arranged on four inner side walls of the joker 6 outside the voice coil 1, an auxiliary Hua Si 2 is fixed at the upper end of the auxiliary magnet i 3, an auxiliary washer ii 12 is fixed on the auxiliary magnet ii 13, an auxiliary washer iii 8 is fixed on the auxiliary magnet iii 7, an auxiliary Hua Si is fixed on the auxiliary magnet iv 14, and the voice coil 1 is fixed on the support 9 through a diaphragm 11. When current passes through the voice coil 1 after power amplification, the voice coil 1 makes cutting magnetic field movement in a permanent magnetic field, and the voice coil 1 vibrates up and down, so that the diaphragm 11 which is bonded and connected with the voice coil 1 is driven to vibrate, air is pushed to vibrate, sound is generated, and sound waves are transmitted (music which can be heard by people); the energy conversion principle is as follows: electric energy- > magnetic energy- > acoustic energy; the auxiliary magnet I3, the auxiliary magnet II 13, the auxiliary magnet III 7 and the auxiliary magnet IV 14 which are connected are respectively fixed on four side walls of the about 6 outside the voice coil 1, the auxiliary magnet I3, the auxiliary magnet II 13, the auxiliary magnet III 7 and the auxiliary magnet IV 14 form an auxiliary magnetic field, magnetic force lines at the position of the voice coil 1 can be concentrated after the auxiliary magnetic field is increased, so that the magnetic field at the position of the voice coil 1 is increased, the magnetism at the position of the voice coil 1 is enhanced, the diaphragm 11 is driven to vibrate more easily after the voice coil 1 is electrified, the sensitivity of the voice coil 1 is improved, and the product performance and the noise reduction depth are improved.

Example 2:

the embodiment discloses a square loudspeaker with a five-magnet structure, based on the structure and principle of embodiment 1, a diaphragm 11 of the embodiment is fixed on a bracket 9 through a square blank 10. The diaphragm 11 is fixed on the bracket 9 through the square-shaped pressing edge 10, so that the stability of the diaphragm 11 is improved, and the diaphragm 11 is stably vibrated.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that various changes, modifications, substitutions and alterations can be made herein by those skilled in the art without departing from the technical principles of the present utility model, and such changes, modifications, substitutions and alterations are also to be regarded as the scope of the utility model.

Claims (2)

1. The utility model provides a square loudspeaker of five magnet structures, includes voice coil loudspeaker voice coil and support, its characterized in that: be fixed with the york on the support, the york upper end is fixed with main magnet, be provided with the clearance between main magnet week side and the york, the voice coil loudspeaker voice coil sets up in preceding clearance, the inside main magnet upper end of voice coil loudspeaker voice coil is fixed with main washer, be provided with auxiliary magnet I, auxiliary magnet II, auxiliary magnet III and auxiliary magnet IV that connect gradually on four inside walls of york in the voice coil loudspeaker voice coil outside respectively, auxiliary magnet I upper end is fixed with vice Hua Si, be fixed with auxiliary washer II on the auxiliary magnet II, be fixed with auxiliary washer III on the auxiliary magnet III, be fixed with vice Hua Si on the auxiliary magnet IV, the voice coil loudspeaker voice coil passes through the diaphragm to be fixed on the support.

2. The five-magnet structured square horn according to claim 1, wherein: the membrane is fixed on the bracket through a back-shaped pressing edge.

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