CN210381295U

CN210381295U - Loudspeaker with triple magnetic circuits

Info

Publication number: CN210381295U
Application number: CN201921699969.7U
Authority: CN
Inventors: 刘全花
Original assignee: Dongguan Zhengyang Electronics Co ltd
Current assignee: Dongguan Zhengyang Electronics Co ltd
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-04-21
Anticipated expiration: 2029-10-12

Abstract

The utility model discloses a loudspeaker with triple magnetic circuits, which comprises a basin frame, a vibrating diaphragm and a magnetic circuit system, wherein a voice coil and an elastic wave are arranged between the basin frame and the vibrating diaphragm, the voice coil passes through the center of the vibrating diaphragm, a groove which is sunken downwards is arranged at the center of the basin frame, and a through hole is arranged in the groove; magnetic circuit includes T iron, main magnet, vice magnetism, secondary magnetism, china department one and china department two, main magnet and china department one set to the ring form, in the ring of main magnet and china department one was located to vice magnetism, secondary magnetism and china department two, china department two adopts the stack mode to set up between vice magnetism and secondary magnetism, the utility model discloses a constitute a new magnetic circuit to traditional outer magnetic circuit and interior magnetic circuit, increase a new magnetic circuit again, form triple magnetic circuit, the sensitivity of effectual promotion speaker has the efficiency that promotes 6 decibels than ordinary magnetic circuit to used magnet all adopts is ferro-aluminum boron magnet, can provide powerful magnetic line of force, guarantees that the distribution of magnetic line of force is even.

Description

Loudspeaker with triple magnetic circuits

Technical Field

The utility model relates to a speaker technical field, especially a speaker of triple magnetic circuit.

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.

Along with the continuous development and progress of the society, the life style of people is greatly changed, the living level of people is higher and higher at present, in the middle of the life, the equipment of the loudspeaker is frequently used, but the traditional loudspeaker mostly adopts a double magnetic circuit, the pursuit of people for the tone quality cannot be met, and meanwhile, the loudspeaker with the structure has poor sensitivity, so that the loudspeaker equipment capable of meeting the requirements of people is needed.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to above-mentioned prior art not enough, provide a speaker of triple magnetic circuit.

In order to solve the technical problem, the utility model discloses the technical scheme who takes is: a loudspeaker with triple magnetic circuits comprises a frame, a vibrating diaphragm and a magnetic circuit system, wherein a voice coil and a damper are arranged between the frame and the vibrating diaphragm, the voice coil penetrates through the center of the vibrating diaphragm, a groove which is sunken downwards is arranged at the center of the frame, and a through hole is formed in the groove;

the magnetic circuit system comprises a T iron, a main magnet, an auxiliary magnet, a secondary magnet, a first washer and a second washer, wherein the main magnet and the first washer are arranged in a circular ring shape, the auxiliary magnet, the secondary magnet and the second washer are arranged in the circular ring of the main magnet and the first washer, and the second washer is arranged between the auxiliary magnet and the secondary magnet in a superposition mode.

Preferably, the voice coil and the damper are mounted in a groove of the basin frame, and the voice coil penetrates through the center of the damper and a through hole of the groove.

Preferably, the magnetic circuit system is tightly attached to the bottom end of the basin stand, the extending end of the voice coil is arranged between the main magnet and the auxiliary magnet, and the voice coil wraps the auxiliary magnet, the secondary magnet and the washer II.

Preferably, a terminal board is arranged on one side of the outer end of the basin frame.

Preferably, the upper end of the vibrating diaphragm is provided with a dustproof cover, and the dustproof cover is arranged at the top end of the voice coil and wraps the top of the voice coil.

Preferably, the primary magnet, the secondary magnet and the secondary magnet are all made of aluminum-iron-boron magnets.

Preferably, the primary, secondary and secondary magnets are of uniform thickness.

Preferably, the basin stand is in a cuboid hollow shape.

Preferably, the shape of the basin stand comprises a rectangle, a square, a circle or an ellipse.

The utility model has the advantages that: the utility model discloses a constitute a new magnetic circuit to traditional outer magnetic circuit and interior magnetic circuit, increase a new magnetic circuit again, form triple magnetic circuit, the sensitivity of effectual promotion speaker has the efficiency that promotes 6 decibels than ordinary magnetic circuit to what used magnet all adopted is ferro-aluminum boron magnet, can provide powerful magnetic line of force, guarantees that the distribution of magnetic line of force is even.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the split structure of the present invention.

10. A basin stand; 20. vibrating diaphragm; 30. a magnetic circuit system; 31. t iron; 32. a main magnet; 33. secondary magnetism; 34. a secondary magnet; 35. a first washer; 36. huasi II; 40. a voice coil; 50. elastic wave; 60. a terminal plate; 70. and a dust cover.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-2, a triple magnetic circuit speaker includes a frame 10, a diaphragm 20, and a magnetic circuit system 30, wherein a voice coil 40 and a damper 50 are disposed between the frame 10 and the diaphragm 20, the voice coil 40 is inserted through the center of the diaphragm 20, a recess is formed at the center of the frame 10, a through hole is formed in the recess, the voice coil 40 and the damper 50 are mounted in the recess of the frame, and the voice coil 40 is inserted through the center of the damper 50 and the through hole of the recess;

the magnetic circuit system 30 comprises a T-shaped iron 31, a main magnet 32, a secondary magnet 33, a secondary magnet 34, a first washer 35 and a second washer 36, the magnetic circuit system 30 is tightly attached to the bottom end of the basin stand 10, the main magnet 32 and the first washer 35 are arranged into a circular ring shape, then the secondary magnet 33, the secondary magnet 34 and the second washer 36 are arranged in the circular ring of the main magnet 32 and the first washer 35, the extending end of a voice coil 40 is arranged between the main magnet 32 and the secondary magnet 33, the voice coil 40 is used for wrapping the secondary magnet 33, the secondary magnet 34 and the second washer 36, and the second washer 36 is arranged between the secondary magnet 33 and the secondary magnet 34 in a superposition mode.

Wherein, a terminal board 60 is provided at one side of the outer end of the frame 10.

The dustproof cover 70 is arranged at the upper end of the diaphragm 20, and the dustproof cover 70 is arranged at the top end of the voice coil 40 and wraps the top of the voice coil 40.

The thicknesses of the main magnet 32, the auxiliary magnet 33 and the secondary magnet 34 are set to be consistent, and the main magnet 32, the auxiliary magnet 33 and the secondary magnet 34 are all made of aluminum-iron-boron magnets, so that the sensitivity of the loudspeaker can be enhanced, and the decibel of a magnetic circuit is improved.

Through setting up basin frame 10 to cuboid fretwork form, the effectual public address effect that promotes the speaker.

Wherein, the shape of the frame 10 includes a rectangle, a square, a circle or an ellipse, which can increase the diversity and versatility of the frame 10, and the shape of the frame 10 is not limited to the above-mentioned shape.

The above embodiments are merely illustrative and not restrictive, and all equivalent changes and modifications made by the methods described in the claims are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a speaker of triple magnetic circuit, includes basin frame, vibrating diaphragm and magnetic circuit, its characterized in that: a voice coil and a damper are arranged between the basin frame and the vibrating diaphragm, the voice coil penetrates through the center of the vibrating diaphragm, a downward concave groove is formed in the center of the basin frame, and a through hole is formed in the groove;

2. A loudspeaker of a triple magnetic circuit according to claim 1, wherein: the voice coil and the elastic wave are installed in the groove of the basin frame, and the voice coil penetrates through the center of the elastic wave and the through hole of the groove.

3. A loudspeaker of a triple magnetic circuit according to claim 1 or 2, wherein: the magnetic circuit system is tightly attached to the bottom end of the basin stand, the extending end of the voice coil is arranged between the main magnet and the auxiliary magnet, and the voice coil wraps the auxiliary magnet, the secondary magnet and the washer II.

4. A loudspeaker of a triple magnetic circuit according to claim 1, wherein: and a terminal board is arranged on one side of the outer end of the basin frame.

5. A loudspeaker of a triple magnetic circuit according to claim 1, wherein: the upper end of vibrating diaphragm is equipped with the shield, the shield is located the top of voice coil loudspeaker voice coil and is wrapped up the voice coil loudspeaker voice coil top.

6. A loudspeaker of a triple magnetic circuit according to claim 1, wherein: the primary magnet, the secondary magnet and the secondary magnet are all made of aluminum-iron-boron magnets.

7. A loudspeaker of a triple magnetic circuit according to claim 1 or 6, wherein: the thicknesses of the main magnet, the auxiliary magnet and the secondary magnet are set to be consistent.

8. A loudspeaker of a triple magnetic circuit according to claim 1, wherein: the basin stand is in a cuboid hollow shape.

9. A loudspeaker of a triple magnetic circuit according to claim 1, wherein: the shape of the basin stand comprises a rectangle, a square, a circle or an ellipse.