CN220915417U

CN220915417U - Somatosensory audio vibrator

Info

Publication number: CN220915417U
Application number: CN202322480214.0U
Authority: CN
Inventors: 吴伊丽; 王洪梅; 彭祯
Original assignee: Foshan Yidian Technology Research Co ltd
Current assignee: Foshan Yidian Technology Research Co ltd
Priority date: 2023-09-12
Filing date: 2023-09-12
Publication date: 2024-05-07
Anticipated expiration: 2033-09-12

Abstract

The utility model discloses a motion sensing audio vibrator which comprises a first shell, a second shell, a voice coil, a first spring piece, a second spring piece, a magnetic circuit assembly and a supporting piece.

Description

Somatosensory audio vibrator

Technical Field

The utility model relates to the technical field of low-frequency vibration, in particular to a somatosensory audio vibrator.

Background

As is well known to those skilled in the art, a speaker generally refers to a sound generator that converts an acoustic signal received through electricity and electronics or a bell or melody inputted in advance into an audible sound output. The speaker is generally connected to an audio or a loudspeaker, and is widely used as a large sound producing means for increasing the volume, and is also widely used as a small sound producing means while the size is greatly reduced.

The vibration system of the traditional loudspeaker consists of a voice coil, a magnetic circuit assembly and a vibrating diaphragm, and the vibrating diaphragm plays a supporting role. The voice coil can be driven by the magnetic field under the condition of electrifying to drive the vibrating diaphragm to vibrate up and down, so that air can be pushed to sound. In theory, the vibration system is to perform piston motion, but unbalanced vibration can occur when a product works at certain frequency points due to poor supporting strength of the vibrating diaphragm, so that the structure has poor vibration stability and small vibration force.

Disclosure of utility model

In order to solve the above-mentioned problem, the present utility model provides a motion sensing audio vibrator, which includes a first housing, a second housing, a voice coil, a first spring plate, a second spring plate, a magnetic circuit assembly, and a support member; the first shell and the second shell are buckled to form an internal cavity; the voice coil, the first spring piece, the second spring piece, the magnetic circuit assembly and the supporting piece are arranged in the cavity; the top of the voice coil is fixedly connected with the first shell; the support piece both ends and first casing, second casing fixed connection still are equipped with annular gap between support piece both ends and first casing, the second casing, and first spring leaf and second spring leaf joint are equipped with the magnetic circuit assembly in annular gap between first spring leaf and the second spring leaf to the magnetic circuit assembly cover is located on the support piece, first spring leaf, second spring leaf and magnetic circuit assembly fixed connection, first spring leaf, second spring leaf and magnetic circuit assembly all regard as the support piece is axisymmetric distribution as the center.

Preferably, the inner side surface of the first shell is provided with a circular groove for the voice coil to be glued, and the diameter of the circular groove is matched with that of the voice coil.

Preferably, the central positions of the first shell and the second shell are respectively provided with an annular connecting seat, the two ends of the supporting piece are provided with supporting bulges, the supporting bulges are fixed in the annular connecting seats, and an annular gap is formed between the two ends of the supporting piece and the annular connecting seats.

Preferably, the magnetic circuit assembly is composed of U iron, a magnet and a washer sheet sequentially stacked in the U iron, an annular magnetic gap is formed between the inner side wall of the U iron and the magnet and between the inner side wall of the U iron and the washer sheet, the voice coil is reversely suspended above the U iron, and the end part of the voice coil is inserted into the magnetic gap.

Preferably, the bottom of the first spring piece is fixedly connected with the washer through a plurality of fastening screws.

Preferably, the top of the second spring piece is fixedly connected with the U-shaped iron through a plurality of fastening screws.

Preferably, both the magnet and Hua Sipian are annular.

Preferably, the first spring piece and the second spring piece are identical in size and shape.

Preferably, the first shell and the second shell are fixedly connected through a plurality of fastening screws after being buckled.

Preferably, the first shell and the second shell are made of one or more materials selected from aluminum, copper or iron.

The beneficial effects are that: the vibration source of the body-sensing audio vibrator consists of a first spring piece, a second spring piece and a magnetic circuit assembly, wherein the first spring piece and the second spring piece are distributed at two ends of a supporting piece, the magnetic circuit assembly is arranged between the first spring piece and the second spring piece in a sleeved mode, the magnetic circuit assembly is axially symmetrically distributed with the supporting piece as the center, two ends of the supporting piece are fixedly connected with the first shell and the second shell, the first spring piece and the second spring piece are fixedly connected with the magnetic circuit assembly, the vibration source is compact in structure, the whole body-sensing audio vibrator is very stable in structure, the vibration source is more stable during vibration, unbalanced vibration is more difficult to occur, and larger vibration force is achieved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of a motion sensing audio vibrator;

FIG. 2 is a schematic diagram of an explosion structure of a somatosensory audio vibrator;

FIG. 3 is a cross-sectional view of a somatosensory audio vibrator;

In the figure:

1a first housing; 101 a circular groove;

2a second housing;

3, an annular connecting seat;

4, voice coil;

5 a first spring piece;

6a second spring piece;

7 a support; 701 supporting the protrusion;

8 magnetic circuit assembly; 801 washer; 802 magnets; 803U iron; 804 magnetic gap.

Detailed Description

Various embodiments of the utility model are disclosed in the following drawings, in which details of the practice are set forth in the following description for the purpose of clarity. However, it should be understood that these practical details are not to be taken as limiting the utility model. That is, in some embodiments of the utility model, these practical details are unnecessary. Moreover, for the purpose of simplifying the drawings, some conventional structures and components are shown in the drawings in a simplified schematic manner.

It should be noted that all directional indicators such as up, down, left, right, front, and rear … … in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a specific posture such as that shown in the drawings, and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the utility model solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Examples

Referring to fig. 1 and 2, fig. 1 is a schematic diagram of an overall structure of a motion sensing audio vibrator, and fig. 2 is a schematic diagram of an explosion structure of the motion sensing audio vibrator. The embodiment provides a body sensing audio vibrator for solving the technical problems of poor vibration stability and small vibration force of the existing loudspeaker, and the body sensing audio vibrator comprises a first shell 1, a second shell 2, a voice coil 4, a first spring piece 5, a second spring piece 6, a supporting piece 7 and a magnetic circuit assembly 8.

The first shell 1 and the second shell 2 are buckled and fixedly connected through a plurality of fastening screws, and an internal cavity is formed after the first shell 1 and the second shell 2 are buckled; the voice coil 4, the first spring piece 5, the second spring piece 6, the supporting piece 7 and the magnetic circuit assembly 8 are arranged in the cavity;

the top of the annular voice coil 4 is fixedly connected with the first shell 1, specifically, a circular groove 101 for the voice coil 4 to be glued is formed in the inner side surface of the first shell 1, the diameter of the circular groove 101 is matched with that of the voice coil 4, and the voice coil 4 is glued on the circular groove 101.

The support piece 7 both ends and first casing 1, second casing 2 fixed connection, the central point of first casing 1 and second casing 2 all is equipped with annular connecting seat 3 particularly, and support piece 7 both ends are equipped with supporting bulge 701, and supporting bulge 701 is fixed in annular connecting seat 3, and support piece is solid cylinder, and supporting bulge is cylindric, and supporting bulge's cross section diameter is less than support piece's cross section diameter. By such a design, the connection of the support 7 with the first housing 1 and the second housing 2 can be made more stable.

Referring to fig. 3, fig. 3 is a cross-sectional view of a motion sensing audio vibrator. The two ends of the supporting piece 7 are also provided with annular gaps between the first shell 1 and the second shell 2, in particular to an annular gap formed between the two ends of the supporting piece 7 and the annular connecting seat 3, the first spring piece 5 and the second spring piece 6 are clamped in the annular gaps, the sizes and the shapes of the first spring piece 5 and the second spring piece 6 are preferably identical, and the first spring piece 5 and the second spring piece 6 can vibrate up and down in the annular gaps.

The magnetic circuit assembly 8 is arranged between the first spring piece 5 and the second spring piece 6, the magnetic circuit assembly 8 is sleeved on the supporting piece 7, the first spring piece 5, the second spring piece 6 and the magnetic circuit assembly 8 are fixedly connected, and the first spring piece 5, the second spring piece 6 and the magnetic circuit assembly 8 are axially symmetrically distributed by taking the supporting piece 7 as the center, so that the whole motion sensing audio vibrator is more uniform in stress and more stable in structure.

Referring back to fig. 3, the magnetic circuit assembly 8 is composed of a U-shaped iron 803, a ring-shaped magnet 802 and a ring-shaped washer 801 sequentially stacked in the U-shaped iron 803, a ring-shaped magnetic gap 804 is formed between the inner side wall of the U-shaped iron 803 and the magnet 802 and the washer 801, the voice coil 4 is suspended above the U-shaped iron 803 in a reverse manner, the end of the voice coil 4 is inserted into the magnetic gap 804, the bottom of the first spring piece 5 is fixedly connected with the washer 801 through a plurality of fastening screws, and the top of the second spring piece 6 is fixedly connected with the U-shaped iron 803 through a plurality of fastening screws.

The vibration source of the body sense audio vibrator comprises a first spring piece 5, a second spring piece 6 and a magnetic circuit assembly 8 which are distributed at two ends of a supporting piece and are arranged between the first spring piece 5 and the second spring piece 6, the magnetic circuit assembly 8 is sleeved on the supporting piece 7, the supporting piece is in axisymmetric distribution with the center, two ends of the supporting piece 7 are fixedly connected with the first shell 1 and the second shell 2, the first spring piece 5 and the second spring piece 6 are fixedly connected with the magnetic circuit assembly 8, and the vibration source is compact in structure and the whole body sense audio vibrator is very stable in structure, so that the vibration source is more stable in vibration and is more difficult to generate unbalanced vibration, and larger vibration force is achieved.

The first shell 1 and the second shell 2 are made of one or more materials of aluminum, copper or iron, and can be made of aluminum sheets, copper sheets, iron sheets, copper-iron alloy sheets, copper-aluminum alloy sheets, aluminum-iron-copper alloy sheets or other materials with better heat dissipation performance. The first shell 1 and the second shell 2 can be further provided with radiating holes, and radiating fins can be further arranged on the inner side walls of the first shell 1 and the second shell 2 so as to improve the radiating performance of the body-sensing audio vibrator.

The above is merely an embodiment of the present utility model, and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principles of the present utility model, should be included in the scope of the claims of the present utility model.

Claims

1. The body-sensing audio vibrator is characterized by comprising a first shell (1), a second shell (2), a voice coil (4), a first spring piece (5), a second spring piece (6), a supporting piece (7) and a magnetic circuit assembly (8); the first shell (1) and the second shell (2) are buckled to form an internal cavity; the voice coil (4), the first spring piece (5), the second spring piece (6), the supporting piece (7) and the magnetic circuit assembly (8) are arranged in the cavity; the top of the voice coil (4) is fixedly connected with the first shell (1); support piece (7) both ends with first casing (1), second casing (2) fixed connection, support piece (7) both ends with still be equipped with annular gap between first casing (1), second casing (2), first spring leaf (5) and second spring leaf (6) joint in the annular gap, be equipped with between first spring leaf (5) and second spring leaf (6) magnetic circuit assembly (8), and magnetic circuit assembly (8) cover is located on support piece (7), first spring leaf (5), second spring leaf (6) with magnetic circuit assembly (8) fixed connection, first spring leaf (5), second spring leaf (6) and magnetic circuit assembly (8) all use support piece (7) are the axisymmetric distribution as the center.

2. The body-sensing audio vibrator according to claim 1, characterized in that the inner side of the first housing (1) is provided with a circular groove (101) for the voice coil (4) to be glued, and the diameter of the circular groove (101) is matched with the diameter of the voice coil (4).

3. The body-sensing audio vibrator according to claim 1, wherein annular connecting seats (3) are respectively arranged at the central positions of the first shell (1) and the second shell (2), supporting protrusions (701) are arranged at two ends of the supporting piece (7), the supporting protrusions (701) are fixed in the annular connecting seats (3), and annular gaps are formed between two ends of the supporting piece (7) and the annular connecting seats (3).

4. The body-sensing audio vibrator according to claim 1, wherein the magnetic circuit assembly (8) is composed of a U-shaped iron (803), a magnet (802) and a washer (801) which are sequentially stacked in the U-shaped iron (803), an annular magnetic gap (804) is formed between the inner side wall of the U-shaped iron (803) and the magnet (802) and the washer (801), the voice coil (4) is reversely suspended above the U-shaped iron (803), and the end portion of the voice coil (4) is inserted into the magnetic gap (804).

5. The somatosensory audio vibrator according to claim 4, wherein the bottom of the first spring piece (5) is fixedly connected with the washer piece (801) by a plurality of fastening screws.

6. The motion sensing audio vibrator according to claim 4, wherein the top of the second spring piece (6) is fixedly connected with the U-shaped iron (803) through a plurality of fastening screws.

7. The somatosensory audio vibrator according to claim 4, characterized in that the magnet (802) and the washer (801) are both ring-shaped.

8. The somatosensory audio vibrator according to claim 1, characterized in that the first leaf spring (5) and the second leaf spring (6) are identical in size and shape.

9. The motion sensing audio vibrator according to claim 1, wherein the first housing (1) and the second housing (2) are fixedly connected by a plurality of fastening screws after being buckled.

10. The body-sensing audio vibrator according to claim 1, wherein the first housing (1) and the second housing (2) are made of one or more materials selected from aluminum, copper and iron.