A high linearity and high power loudspeaker

Abstract

The utility model relates to the technical field of loudspeakers, specifically a high-linearity and high-power loudspeaker, comprising a housing, a magnetic coil, a vibration system and a diaphragm, wherein the magnetic coil is mounted on the top surface inside the housing, the vibration system is mounted on the bottom surface inside the housing, the diaphragm covers and fits the bottom surface of the housing, the housing comprises a frame, a protective cover, the frame is a basin structure with rounded rectangular holes on the bottom surface, the protective cover is a thin cover plate structure, the shape is similar to the bottom surface of the frame, and the area is smaller than the bottom surface area of ​​the frame. The high-linearity and high-power loudspeaker, because the voice coil has multiple fixations of an FPC circuit board, a protective cover and a diaphragm, even if the VR speaker has a large low-frequency amplitude. During operation, the vibration system can move up and down very smoothly, thereby increasing the power to be borne, and the power can be increased by more than 1 times that of an ordinary loudspeaker. During operation, the vibration system can move up and down very smoothly, thereby reducing the nonlinear movement to a very low level, thereby greatly reducing product distortion.

Description

Technical Field

[0001] The utility model relates to the technical field of loudspeakers, in particular to a high-linearity and high-power loudspeaker. Background Art

[0002] Speakers require good bass, and the lowest resonance frequency is generally below 180Hz, so VR speakers will vibrate more when working. The structure of conventional speakers is that the voice coil is only fixed on the diaphragm, and the voice coil moves with the diaphragm when working. Existing speakers do not take into account the fatigue damage and collision noise caused by the vibration of the speaker's voice coil. Utility Model Content

[0003] The purpose of the utility model is to provide a high-linearity and high-power loudspeaker, which has the characteristics of high power and stable and good audio effect, so as to solve the problems raised in the above-mentioned background technology.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: a high-linearity and high-power loudspeaker, comprising a shell, a magnetic coil, a vibration system and a diaphragm, the magnetic coil being installed on the top surface inside the shell, the vibration system being installed on the bottom surface inside the shell, and the diaphragm covering and fitting onto the bottom surface of the shell.

[0005] Preferably, the shell includes a frame and a protective cover, the frame is a basin structure with a rounded rectangular hole on the bottom, and the protective cover is a thin cover plate structure with a shape similar to the bottom of the frame and an area smaller than the bottom area of ​​the frame.

[0006] Preferably, the magnetic ring includes a U cup, a magnet and a washer, the magnet and the washer have the same cross-section and are glued together, the U cup is a basin-shaped structure, the magnet and the washer are installed at the center of the U cup and connected by glue.

[0007] Preferably, the magnetic ring is installed in the bottom center hole of the frame, and the size of the center hole is the same as the U cup of the magnetic ring.

[0008] This allows the magnetic ring to be securely mounted in the housing.

[0009] Preferably, the vibration system includes a voice coil and an FPC circuit board, both of which are rounded rectangular annular structures, and the voice coil is installed in the center of the FPC circuit board, and the two are connected by a circuit.

[0010] Using a flexible FPC circuit board as the circuit connection structure of the voice coil can reduce structural damage caused by long-term vibration during the operation of the voice coil.

[0011] Preferably, the voice coil is placed in the gap between the magnet and washer assembly and the inside of the U cup, and does not contact the magnetic coil, and the bottom of the FPC circuit board is bonded to the protective cover by glue.

[0012] The moving range of the voice coil is fixed to prevent the voice coil from colliding with other parts when vibrating, causing noise when the speaker is in use.

[0013] Preferably, the diaphragm is mounted on the frame and the protective cover by gluing, and a portion of the diaphragm extends into the interior of the gap between the frame and the protective cover.

[0014] Improve the sound effect of the diaphragm.

[0015] Compared with the prior art, the utility model provides a high-linearity and high-power loudspeaker, which has the following beneficial effects:

[0016] 1. This high-linearity and high-power speaker has multiple fixings of the voice coil, FPC circuit board, cover and diaphragm. Even if the VR speaker has a large low-frequency amplitude, the vibration system can move up and down very smoothly during operation, thereby increasing the power it can withstand. The power can be increased by more than 1 times that of ordinary speakers. During operation, the vibration system can move up and down very smoothly, thus reducing nonlinear movement to a very low level, thereby greatly reducing product distortion.

[0017] 2. The voice coil lead of this high-linear high-power speaker is directly welded on the FPC circuit board, and the FPC circuit board is fixed on the cover by glue, not suspended. In addition, the FPC circuit board has the characteristics of flexible material, which reduces the risk of open circuit caused by fatigue damage of the voice coil lead when the speaker is working, thereby greatly extending the service life of the speaker. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional exploded diagram of the structure of the utility model;

[0019] Figure 2 It is a three-dimensional demonstration diagram of the structure of the utility model;

[0020] Figure 3 It is a three-dimensional half-section diagram of the structure of the utility model.

[0021] Among them: 1. shell; 101. frame; 102. protective cover; 2. magnetic coil; 201. U cup; 202. magnet; 203. washer; 3. vibration system; 301. voice coil; 302. FPC circuit board; 4. diaphragm. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-3 The utility model provides a technical solution: a high-linearity and high-power loudspeaker, comprising a shell 1, a magnetic coil 2, a vibration system 3 and a diaphragm 4, the magnetic coil 2 is mounted on the top surface inside the shell 1, the vibration system 3 is mounted on the bottom surface inside the shell 1, and the diaphragm 4 covers and fits on the bottom surface of the shell 1.

[0024] When the speaker is in use, the magnetic coil 2 increases the magnetism and causes the voice coil 301 to vibrate with different amplitudes. The voice coil 301 is fixedly supported by the FPC circuit board 302, the protective cover 102 and the diaphragm 4, so that the entire vibration system of the voice coil 301 can move up and down very smoothly when the voice coil 301 vibrates during operation, thereby reducing the generation of nonlinear motion and reducing noise.

[0025] Specifically, the housing 1 includes a frame 101 and a protective cover 102 . The frame 101 is a basin structure with a rounded rectangular hole on the bottom. The protective cover 102 is a thin cover plate structure with a shape similar to the bottom of the frame 101 and an area smaller than the bottom of the frame 101 .

[0026] The above technical solution facilitates the installation of other components, while simplifying the overall structure of the housing 1 and reducing its weight.

[0027] Specifically, the magnetic ring 2 includes a U cup 201, a magnet 202 and a washer 203. The magnet 202 and the washer 203 have the same cross-section and are glued together. The U cup 201 is a basin-shaped structure. The magnet 202 and the washer 203 are installed at the center of the U cup 201 and connected by glue.

[0028] Specifically, the magnetic ring 2 is installed in the bottom center hole of the frame 101 , and the size of the center hole is the same as that of the U cup 201 of the magnetic ring 2 .

[0029] Through the above technical solution, the magnetic ring 2 can be stably installed in the housing 1.

[0030] Specifically, the vibration system 3 includes a voice coil 301 and an FPC circuit board 302. The voice coil 301 and the FPC circuit board 302 are both rounded rectangular ring structures. The voice coil 301 is installed in the center of the FPC circuit board 302, and the two are connected by a circuit.

[0031] Through the above technical solution, the flexible FPC circuit board 302 is used as the circuit connection structure of the voice coil 301, which can reduce the structural damage caused by the long-term vibration of the voice coil 301 during operation.

[0032] Specifically, the voice coil 301 is placed in the gap between the combination of the magnet 202 and the washer 203 and the inside of the U cup 201 and does not contact the magnetic ring 2. The bottom of the FPC circuit board 302 is glued to the protective cover 102 by glue.

[0033] Through the above technical solution, the moving range of the voice coil 301 is fixed, so as to prevent the voice coil 301 from colliding with other components when vibrating, thereby preventing the speaker from making noise when in use.

[0034] Specifically, the diaphragm 4 is mounted on the frame 101 and the protective cover 102 by gluing, and a portion of the diaphragm 4 extends into the gap between the frame 101 and the protective cover 102 .

[0035] Through the above technical solution, the sound output effect of the diaphragm 4 is improved.

[0036] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit thereof, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-linearity, high-power loudspeaker, comprising a housing (1), a magnetic coil (2), a vibration system (3) and a diaphragm (4), characterized in that: The magnetic ring (2) is mounted on the top surface of the housing (1), the vibration system (3) is mounted on the bottom surface of the housing (1), and the vibration membrane (4) covers and fits on the bottom surface of the housing (1); The housing (1) comprises a frame (101) and a protective cover (102); the frame (101) is a basin structure with a rounded rectangular hole on the bottom surface; the protective cover (102) is a thin cover plate structure with a shape similar to the bottom surface of the frame (101) and an area smaller than the bottom surface area of ​​the frame (101); The magnetic ring (2) comprises a U cup (201), a magnet (202) and a washer (203); the magnet (202) and the washer (203) have the same cross-section and are glued together; the U cup (201) is a basin-shaped structure; the magnet (202) and the washer (203) are installed at the center of the U cup (201) and are connected by glue; the magnetic ring (2) is installed in the bottom center hole of the frame (101); the size of the center hole is the same as that of the U cup (201) of the magnetic ring (2).

2. A high linearity high power loudspeaker according to claim 1, characterized in that: The vibration system (3) comprises a voice coil (301) and an FPC circuit board (302). Both the voice coil (301) and the FPC circuit board (302) are rounded rectangular annular structures. The voice coil (301) is installed in the center of the FPC circuit board (302). The two are connected by a circuit. The voice coil (301) is placed in the gap between the magnet (202) and washer (203) combination and the inside of the U cup (201), and does not contact the magnetic coil (2). The bottom of the FPC circuit board (302) is glued to the protective cover (102) by glue.

3. The high linearity high power loudspeaker according to claim 1, characterized in that: The diaphragm (4) is mounted on the frame (101) and the protective cover (102) by gluing, and a portion of the diaphragm (4) extends into the gap between the frame (101) and the protective cover (102).

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