Sounding vibration device

Abstract

The utility model relates to a sounding vibration device, which belongs to the technical field of sounding vibration devices and comprises a high pitch unit, a motor unit, a low pitch unit and a shell, the motor unit is arranged between the high pitch unit and the low pitch unit, the high pitch unit is arranged inside and on the upper portion of the shell, and the motor unit is arranged inside the shell. According to the utility model, the high pitch unit, the low pitch unit and the motor unit are combined into one unit, so that the size of the whole device is reduced; the multi-magnetic-circuit combination enhances the magnetic field intensity between the voice coils, the magnetic circuit loop is more complete, the magnetic leakage is reduced, and the magnetic field utilization rate is improved.

Description

Technical Field

[0001] The utility model relates to a sound-generating vibration device, belonging to the technical field of sound-generating vibration devices. Background Art

[0002] At present, the volume requirements of consumer electronic products are getting smaller and smaller, and the integration is getting higher and higher, which requires that the size and volume of the built-in speakers also need to be reduced accordingly. Currently, there are also multifunctional sound-generating vibration devices that combine high and low speakers with motors on the market. They are generally composed of a two-in-one dynamic iron speaker, a tweeter ceramic sound generator and a motor. However, the dynamic iron speaker, the tweeter ceramic sound generator and the motor are often designed separately, resulting in a large volume and a small vibration sense of the motor, which cannot meet the design and installation requirements. At the same time, the magnetic field between the three cannot form a loop, the leakage magnetic field is serious, and the magnetic field utilization rate is low. Summary of the invention

[0003] The purpose of the utility model is to overcome the shortcomings of the above-mentioned traditional technology and provide a sound-generating vibration device, which combines a tweeter, a woofer and a motor unit into one unit, thereby reducing the volume of the entire device; the multi-magnetic circuit combination enhances the magnetic field strength between the voice coils, makes the magnetic circuit loop more complete, reduces leakage magnetic flux, and improves the magnetic field utilization rate.

[0004] The purpose of the utility model is achieved through the following technical measures: a sound-generating vibration device, comprising a tweeter, a motor unit, a woofer and a shell, the motor unit is arranged between the tweeter and the woofer, the tweeter is arranged inside and on the upper part of the shell, the motor unit is arranged inside the shell, and the woofer is arranged at the lower part of the shell.

[0005] As a further improvement of the above technical solution:

[0006] The tweeter comprises a tweeter diaphragm assembly, a tweeter voice coil is arranged below the center of the tweeter diaphragm assembly, a tweeter gasket is arranged below the periphery of the tweeter diaphragm assembly, and a tweeter magnetic cover is arranged below the tweeter gasket.

[0007] The center of the tweeter magnetic cover is provided with a groove, the center of the inner part of the groove is provided with a tweeter magnet, and a tweeter washer is provided above the tweeter magnet.

[0008] The tweeter magnet and the tweeter washer are arranged at the center below the tweeter voice coil, the tweeter gasket is arranged on the tweeter magnetic cover, and a motor elastic vibration part is arranged on the periphery of the tweeter gasket.

[0009] The motor unit includes a motor voice coil, which is arranged on the outer periphery of the lower part of the tweeter unit magnetic cover. The outer periphery of the lower part of the tweeter unit magnetic cover is also provided with a motor lower magnet and a motor lower washer.

[0010] The motor lower washer is arranged above the motor lower magnet, and the motor lower magnet and the motor lower washer are arranged between the motor voice coil and the tweeter unit magnetic cover.

[0011] The motor unit also includes a motor magnet, which is arranged on the outer periphery of the tweeter unit magnetic cover and is fixedly connected to the tweeter unit magnetic cover.

[0012] The woofer includes a woofer diaphragm assembly, which is arranged below the tweeter magnetic cover. A woofer voice coil is arranged above the center of the woofer diaphragm assembly, and the woofer voice coil is arranged between the tweeter magnetic cover and the lower magnet of the motor.

[0013] The tweeter magnetic cover is arranged at the center above the inside of the woofer voice coil, and a woofer gasket is arranged above the outer periphery of the woofer diaphragm assembly.

[0014] The woofer also includes a woofer washer, which is arranged above the woofer gasket, and the motor lower magnet and the motor voice coil are both arranged on the woofer washer.

[0015] Due to the adoption of the above technical scheme, compared with the prior art, the advantages of the utility model are: the utility model combines the tweeter, the woofer and the motor unit into one unit, thereby reducing the volume of the entire device; the multi-magnetic circuit combination enhances the magnetic field strength between the voice coils, the magnetic circuit loop is more complete, the leakage magnetic flux is reduced, and the magnetic field utilization rate is improved.

[0016] The utility model is further described below in conjunction with the accompanying drawings and specific implementation methods. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural schematic diagram of a sound-generating vibration device in an embodiment of the utility model;

[0018] Figure 2 for Figure 1 Left view of;

[0019] Figure 3 for Figure 1 Schematic diagram of the cross-sectional structure along the AA direction;

[0020] Figure 4 The figure is a schematic diagram of the explosion structure of a sound-generating vibration device in an embodiment of the utility model.

[0021] In the figure, 11-tweeter gasket, 12-tweeter diaphragm assembly, 13-tweeter voice coil, 14-tweeter washer, 15-tweeter magnet, 16-tweeter magnetic cover, 21-motor upper magnet, 22-motor elastic vibration part, 23-housing, 24-motor lower washer, 25-motor lower magnet, 26-motor voice coil, 31-woofer gasket, 32-woofer diaphragm assembly, 33-woofer voice coil, 34-woofer washer. 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] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0024] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined. Example

[0025] like Figure 1-4 As shown, a sound-generating vibration device includes a tweeter, a motor unit, a woofer and a housing 23, wherein the motor unit is arranged between the tweeter and the woofer, the tweeter is arranged inside and on the upper part of the housing 23, the motor unit is arranged inside the housing 23, and the woofer is arranged at the lower part of the housing 23.

[0026] The tweeter includes a tweeter diaphragm assembly 12, a tweeter voice coil 13 is provided below the center of the tweeter diaphragm assembly 12, a tweeter gasket 11 is provided below the periphery of the tweeter diaphragm assembly 12, a tweeter magnetic cover 16 is provided below the tweeter gasket 11, the tweeter magnetic cover 16 has a groove 17 in the center, a tweeter magnet 15 is provided at the center inside the groove 17, a tweeter washer 14 is provided above the tweeter magnet 15, the tweeter magnet 15 and the tweeter washer 14 are arranged at the center below the inside of the tweeter voice coil 13, the tweeter gasket 11 is arranged on the tweeter magnetic cover 16, and a motor elastic vibration part 22 is provided at the periphery of the tweeter gasket 11.

[0027] The motor unit includes a motor voice coil 26, which is arranged on the periphery of the lower part of the tweeter unit magnetic cover 16. The periphery of the lower part of the tweeter unit magnetic cover 16 is also provided with a motor lower magnet 25 and a motor lower washer 24. The motor lower washer 24 is arranged above the motor lower magnet 25. The motor lower magnet 25 and the motor lower washer 24 are arranged between the motor voice coil 26 and the tweeter unit magnetic cover 16. The motor unit also includes a motor upper magnet 21, which is arranged on the periphery of the tweeter unit magnetic cover 16 and is fixedly connected to the tweeter unit magnetic cover 16.

[0028] The woofer includes a woofer diaphragm assembly 32, which is arranged below the tweeter magnetic cover 16. A woofer voice coil 33 is provided above the center of the woofer diaphragm assembly 32. The woofer voice coil 33 is provided between the tweeter magnetic cover 16 and the motor lower magnet 25. The tweeter magnetic cover 16 is provided at the center above the inside of the woofer voice coil 33. A woofer gasket 31 is provided above the periphery of the woofer diaphragm assembly 32.

[0029] The woofer further includes a woofer washer 34 , which is disposed above the woofer gasket 31 , and the motor lower magnet 25 and the motor voice coil 26 are both disposed on the woofer washer 34 .

[0030] The tweeter diaphragm assembly 12, the tweeter voice coil 13, and the tweeter gasket 11 constitute the vibration assembly of the tweeter unit, and the tweeter magnetic cover 16, the tweeter magnet 15, the tweeter washer 14, and the motor upper magnet 21 constitute the magnetic circuit assembly of the tweeter unit; the woofer diaphragm assembly 32, the woofer voice coil 33, and the woofer gasket 31 constitute the vibration assembly of the woofer unit, and the tweeter magnetic cover 16, the motor upper magnet 21, the motor lower magnet 25, the motor lower washer 24, and the woofer washer 34 constitute the magnetic circuit assembly of the woofer; the motor upper magnet 21, the motor lower magnet 25, the motor lower washer 24, and the motor voice coil 26 constitute the core assembly of the motor unit, and the tweeter diaphragm assembly 12, the tweeter voice coil 13, the tweeter gasket 11, the tweeter magnetic cover 16, the tweeter magnet 15, the tweeter washer 14, and the motor upper magnet 21 together constitute the vibrator assembly of the motor unit.

[0031] When power is supplied to the tweeter, the tweeter voice coil 13 generates a magnetic field, which interacts with the magnetic circuit components of the tweeter, thereby causing the vibrating components of the tweeter to vibrate and produce sound;

[0032] When power is supplied to the woofer, the woofer voice coil 33 generates a magnetic field, which interacts with the magnetic circuit components of the woofer, thereby causing the vibration components of the woofer to vibrate and produce sound;

[0033] When power is supplied to the motor voice coil 26 of the motor unit, the motor voice coil 26 generates a magnetic field, which drives the motor vibrator assembly to reciprocate and vibrate in the Z direction.

[0034] The components composed of the upper motor magnet 21 and the lower motor washer 24 and the lower motor magnet 25 repel each other, and the repulsive force between the two needs to be zero by controlling the height of the housing 23, so that the overall height of the product can be reduced.

[0035] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A sound-generating vibration device, characterized in that: The invention comprises a tweeter, a motor unit, a woofer and a housing (23), wherein the motor unit is arranged between the tweeter and the woofer, the tweeter is arranged inside and on the upper part of the housing (23), the motor unit is arranged inside the housing (23), and the woofer is arranged at the lower part of the housing (23).

2. A sound-generating vibration device according to claim 1, characterized in that: The tweeter unit comprises a tweeter unit diaphragm assembly (12), a tweeter unit voice coil (13) is provided below the center of the tweeter unit diaphragm assembly (12), a tweeter unit gasket ring (11) is provided below the periphery of the tweeter unit diaphragm assembly (12), and a tweeter unit magnetic cover (16) is provided below the tweeter unit gasket ring (11).

3. A sound-generating vibration device according to claim 2, characterized in that: The tweeter unit magnetic cover (16) has a groove (17) at its center, a tweeter unit magnet (15) is arranged at the center of the groove (17), and a tweeter unit washer (14) is arranged above the tweeter unit magnet (15).

4. A sound-generating vibration device according to claim 3, characterized in that: The tweeter magnet (15) and the tweeter washer (14) are arranged at the center below the tweeter voice coil (13); the tweeter gasket (11) is arranged on the tweeter magnetic cover (16); and a motor elastic vibration part (22) is arranged on the outer periphery of the tweeter gasket (11).

5. A sound-generating vibration device according to claim 2, characterized in that: The motor unit comprises a motor voice coil (26), which is arranged on the outer periphery of the lower part of the tweeter unit magnetic cover (16), and the outer periphery of the lower part of the tweeter unit magnetic cover (16) is also provided with a motor lower magnet (25) and a motor lower washer (24).

6. A sound-generating vibration device according to claim 5, characterized in that: The motor lower washer (24) is arranged above the motor lower magnet (25), and the motor lower magnet (25) and the motor lower washer (24) are arranged between the motor voice coil (26) and the tweeter unit magnetic cover (16).

7. A sound-generating vibration device according to claim 6, characterized in that: The motor unit further comprises a motor upper magnet (21), which is arranged on the outer periphery of the tweeter unit magnetic cover (16) and is fixedly connected to the tweeter unit magnetic cover (16).

8. A sound-generating vibration device according to claim 5, characterized in that: The woofer unit comprises a woofer unit diaphragm assembly (32), the woofer unit diaphragm assembly (32) being arranged below the tweeter unit magnetic cover (16), a woofer unit voice coil (33) being arranged above the center of the woofer unit diaphragm assembly (32), and the woofer unit voice coil (33) being arranged between the tweeter unit magnetic cover (16) and the lower magnet (25) of the motor.

9. A sound-generating vibration device according to claim 8, characterized in that: The tweeter unit magnetic cover (16) is arranged at the center above the inside of the bass unit voice coil (33), and a bass unit gasket ring (31) is arranged above the outer periphery of the bass unit diaphragm assembly (32).

10. A sound-generating vibration device according to claim 9, characterized in that: The bass unit also includes a bass unit washer (34), the bass unit washer (34) is arranged above the bass unit gasket (31), and the motor lower magnet (25) and the motor voice coil (26) are both arranged on the bass unit washer (34).

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