Novel flat horn magnetic circuit structure

Abstract

The utility model discloses a novel magnetic circuit structure of a flat horn, and relates to the technical field of loudspeakers. The loudspeaker comprises a circuit group, a vibrating diaphragm, an upper magnet, a lower magnet, an upper magnet frame and a lower magnet frame, the vibrating diaphragm is installed between the upper magnet frame and the lower magnet frame, the upper magnet and the lower magnet are installed in the upper magnet frame and the lower magnet frame in an embedded mode respectively, and the circuit group in the vibrating diaphragm is completely located in a magnetic loop formed by the upper magnet and the lower magnet. According to the utility model, the driving area is effectively increased, the driving force is improved, distortion is reduced, the sensitivity, tone quality and resolution of the flat horn are improved, and the application prospect is wide.

Description

Technical Field

[0001] The utility model relates to the technical field of loudspeakers, and in particular to a novel magnetic circuit structure of a flat loudspeaker. Background Art

[0002] The tablet speaker is provided with a magnetic circuit structure. At present, the structure of the magnetic circuit group of the common tablet speaker on the market is as follows: Figure 1 , that is, the seven shaded parts A, the line groups in the upper and lower frames B, because there is no cooperation with the magnetic circuit group, do not play a driving role, but consume input power, increase the resistance and the mass of the vibration system, reduce the sensitivity of the speaker, and have poor sound quality and resolution, and are prone to distortion. Based on this, it is particularly necessary to design a new type of flat speaker magnetic circuit structure. Utility Model Content

[0003] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a new type of flat speaker magnetic circuit structure with a simple structure, reasonable design, increased driving area, enhanced driving force, improved sensitivity, sound quality and resolution of the flat speaker, effectively reduced distortion, strong practicality, and easy to promote and use.

[0004] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical scheme: a new type of flat speaker magnetic circuit structure, including a circuit group, a diaphragm, an upper magnet, a lower magnet, an upper magnetic frame and a lower magnetic frame, a diaphragm is installed between the upper magnetic frame and the lower magnetic frame, and the upper magnet and the lower magnet are respectively embedded in the upper magnetic frame and the lower magnetic frame, and the circuit group in the diaphragm is completely in the magnetic loop formed by the upper magnet and the lower magnet.

[0005] Preferably, the circuit group is a continuously reciprocating U-shaped groove planar winding structure; the upper magnetic and lower magnetic structures are consistent and are correspondingly arranged on both sides of the continuously reciprocating U-shaped groove of the circuit group.

[0006] Preferably, the upper magnet and the lower magnet are both made of neodymium iron boron magnets, and the upper magnet and the lower magnet are respectively fixed in the upper magnetic frame and the lower magnetic frame by evenly distributed glue dots.

[0007] Beneficial effects of the utility model: the structure can effectively increase the driving area, enhance the driving force, reduce distortion, and improve the sensitivity, sound quality and resolution of the flat speaker, and has broad application prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] The utility model is described in detail below with reference to the accompanying drawings and specific implementation methods;

[0009] Figure 1 It is a structural schematic diagram of a common flat speaker magnetic circuit group in the background technology;

[0010] Figure 2 It is a schematic diagram of the structure of the utility model;

[0011] Figure 3 It is a schematic diagram of the exploded structure of the utility model. DETAILED DESCRIPTION

[0012] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0013] Reference Figure 2-3 The present specific implementation adopts the following technical scheme: a new type of flat speaker magnetic circuit structure, including a circuit group 1, a diaphragm 2, an upper magnet 3, a lower magnet 4, an upper magnetic frame 5 and a lower magnetic frame 6, a diaphragm 2 is installed between the upper magnetic frame 5 and the lower magnetic frame 6, and the upper magnet 3 and the lower magnet 4 are embedded in the upper magnetic frame 5 and the lower magnetic frame 6 respectively, and the circuit group 1 in the diaphragm 2 is completely in the magnetic loop formed by the upper magnet 3 and the lower magnet 4.

[0014] It is worth noting that the upper magnet 3 and the lower magnet 4 are both made of neodymium iron boron magnets, and the upper magnet 3 and the lower magnet 4 are respectively fixed in the upper magnetic frame 5 and the lower magnetic frame 6 by evenly distributed glue dots.

[0015] This specific implementation method improves the structure of the magnetic circuit group, and the structures of the upper magnetic 3 and the lower magnetic 4 are consistent, wherein the circuit group 1 adopts a continuously reciprocating U-shaped groove planar winding structure, and the upper magnetic 3 and the lower magnetic 4 are correspondingly arranged on both sides of the continuously reciprocating U-shaped groove of the circuit group 1, so that the entire circuit group 1 is in the magnetic loop of the device to play a driving role, while increasing the effective driving area, improving the driving force of the circuit group, and thereby improving the sensitivity, sound quality and resolution of the flat speaker, effectively reducing distortion, and solving the pain points of traditional technologies, and has broad market application prospects.

[0016] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A novel magnetic circuit structure of a flat speaker, characterized in that: The invention comprises a circuit group (1), a diaphragm (2), an upper magnet (3), a lower magnet (4), an upper magnet frame (5) and a lower magnet frame (6); the diaphragm (2) is installed between the upper magnet frame (5) and the lower magnet frame (6); the upper magnet (3) and the lower magnet (4) are respectively embedded in the upper magnet frame (5) and the lower magnet frame (6); the circuit group (1) in the diaphragm (2) is completely located in a magnetic loop formed by the upper magnet (3) and the lower magnet (4).

2. According to the novel flat speaker magnetic circuit structure of claim 1, it is characterized in that: The line group (1) is a continuously reciprocating U-shaped slot planar winding structure.

3. According to the novel flat speaker magnetic circuit structure of claim 1, it is characterized in that: The upper magnet (3) and the lower magnet (4) have the same structure and are both correspondingly arranged on both sides of the U-shaped groove of the line group (1) that continuously reciprocates.

4. According to the novel flat speaker magnetic circuit structure of claim 1, it is characterized in that: The upper magnet (3) and the lower magnet (4) are both made of neodymium iron boron magnets.

5. According to the novel flat speaker magnetic circuit structure of claim 1, it is characterized in that: The upper magnet (3) and the lower magnet (4) are respectively fixed in the upper magnet frame (5) and the lower magnet frame (6) by evenly distributed glue dots.

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