CN211909161U

CN211909161U - Receiver and electronic equipment

Info

Publication number: CN211909161U
Application number: CN202020558278.1U
Authority: CN
Inventors: 张韬; 王庆依; 赵红强; 何二苏
Original assignee: KING TONE INNOVATION
Current assignee: KING TONE INNOVATION
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2020-11-10
Anticipated expiration: 2030-04-15

Abstract

The utility model discloses a receiver and electronic equipment, the receiver includes piezoelectric patches, power supply part, support piece and damping part, power supply part and piezoelectric patches fixed connection and communicate with external circuit, damping part set up in one side of piezoelectric patches and with the piezoelectric patches with by vibration surface fixed connection, support piece and piezoelectric patches with by vibration surface fixed connection, set up the through-hole that supplies damping part to pass on the support piece. Therefore, through the fixed connection among the piezoelectric plate, the power supply part and the damping part, the modular packaging of the telephone receiver is realized, the structure is simple and compact, the integrity is strong, and the structural performance of the telephone receiver is improved. In addition, the damping parts are arranged on the piezoelectric sheets and the vibrated surface, so that the vibration mode of the telephone receiver is adjusted, the sound radiation is optimized, the tone quality of the telephone receiver is improved, and the use performance of the telephone receiver is optimized.

Description

Receiver and electronic equipment

Technical Field

The utility model relates to an electronic equipment field, concretely relates to receiver and electronic equipment.

Background

A receiver (commonly called as a receiver) is widely used in electronic communication terminal equipment such as a mobile phone as a common electroacoustic transducer. Taking a mobile phone as an example, a receiver is generally located at the top of the mobile phone and mainly plays the voice of the other party during the communication process.

The existing receiver is mainly driven by adopting an electromagnetic driving mode of combining a voice coil and a magnetic circuit, current is introduced into the coil to generate a magnetic field, and an object is vibrated by utilizing the action of the excited magnetic field and the original magnetic field in the device and transmits sound through air. However, because the conventional receiver generally consists of a fixed structure, the product has complex assembly, large size, high energy consumption and high heat generation, and a magnetic field generated in the using process can also generate radio frequency interference on electronic equipment, so that the development requirements of product lightness and thinness and high performance in the electronic equipment industry are more and more difficult to meet.

SUMMERY OF THE UTILITY MODEL

In view of this, an object of the present invention is to provide a receiver and an electronic device, so as to solve the problems of complex structure and poor performance of the conventional receiver.

In a first aspect, an embodiment of the present invention provides a receiver, the receiver includes:

a piezoelectric sheet;

the power supply component is fixedly connected with the piezoelectric sheet, is communicated with an external circuit and is used for providing voltage excitation for the piezoelectric sheet;

the damping component is arranged on one side of the piezoelectric sheet, is fixedly connected with the piezoelectric sheet and the vibrated surface and is used for conducting vibration to the vibrated surface; and

the support piece is fixedly connected with the piezoelectric sheet and the vibrated surface, and a through hole for the damping part to pass through is formed in the support piece;

wherein the vibrated surface is a screen or a housing of an electronic device.

Further, the damping member is located at a corner or a center of the piezoelectric sheet.

Further, the receiver further includes:

and at least one weight member disposed on the other side of the piezoelectric sheet opposite to the damping member.

Further, the weight member is located at a corner or a center of the piezoelectric sheet.

Further, the weight member and the damping member do not overlap in projection in the piezoelectric sheet deformation direction.

Further, the power supply member is provided as a flexible wiring board including a body portion and a conductive portion;

the conductive part is fixedly connected with the piezoelectric sheet, and the body part extends outwards from the conductive part and is communicated with an external circuit and used for providing voltage excitation for the piezoelectric sheet.

Furthermore, a connecting piece is arranged on the surface to be vibrated, an accommodating cavity is formed in one side of the connecting piece, and an installation groove penetrating through the accommodating cavity is formed in the other side of the connecting piece;

wherein, the containing cavity is used for fixing the vibrated surface, and the mounting groove is used for fixing the supporting piece.

Further, the protruding installation department that is equipped with the step form in both ends of support piece, the mounting hole has been seted up on the installation department.

In a second aspect, the present invention provides an electronic device, which includes the receiver as described above.

The utility model discloses technical scheme passes through the fixed connection between piezoelectric patches, power supply part and the damping part, realizes the modular encapsulation of receiver, and simple structure is compact and the wholeness is strong, and then improves the structural performance of receiver. In addition, the damping parts are arranged on the piezoelectric sheets and the vibrated surface, so that the vibration mode of the telephone receiver is adjusted, the sound radiation is optimized, the tone quality of the telephone receiver is improved, and the use performance of the telephone receiver is optimized.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:

fig. 1 is a top view of a receiver according to a first embodiment of the present invention;

fig. 2 is a bottom view of a receiver according to a first embodiment of the present invention;

fig. 3 is an exploded view of a receiver according to a first embodiment of the present invention;

FIG. 4 is a structural diagram of a power supply unit according to a first embodiment of the present invention;

fig. 5 is a schematic view illustrating a connection between a power supply member and a piezoelectric plate according to a first embodiment of the present invention;

fig. 6 is a schematic structural diagram of a damping member according to a first embodiment of the present invention;

fig. 7 is a schematic view illustrating an installation of a receiver and a connecting member according to a first embodiment of the present invention;

fig. 8 is an exploded view illustrating the installation of the receiver and the connecting member according to the first embodiment of the present invention;

fig. 9 is a schematic structural diagram of a connecting member according to a first embodiment of the present invention;

fig. 10 is a schematic structural diagram of a supporting member according to a first embodiment of the present invention;

fig. 11 is an exploded view of a receiver according to a second embodiment of the present invention;

fig. 12 is a schematic structural diagram of an electronic device according to a third embodiment of the present invention.

In the figure: 1. a piezoelectric sheet; 2. a power supply member; 21. a body portion; 22. a conductive portion; 3. a support member; 31. a support portion; 311. a hollow-out section; 312. a fixed part; 32. an installation part; 321. mounting holes; 4. a damping member; 41. a damping part; 42. a connecting portion; 5. a connecting member; 51. a receiving cavity; 52. mounting grooves; 53. a fixed block; 531. a fixing hole; 6. a surface to be vibrated; 7. a weight member; 8. a telephone receiver; 9. a screen; 10. a frame; 11. a housing; 12. the main circuit board.

Detailed Description

The present invention will be described below based on examples, but the present invention is not limited to only these examples. In the following detailed description of the present invention, certain specific details are set forth in detail. It will be apparent to those skilled in the art that the present invention may be practiced without these specific details. Well-known methods, procedures, and components have not been described in detail so as not to obscure the present invention.

Further, those of ordinary skill in the art will appreciate that the drawings provided herein are for illustrative purposes and are not necessarily drawn to scale.

Unless the context clearly requires otherwise, throughout the description, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, what is meant is "including, but not limited to".

In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

Example one

Fig. 1 to 3 are a top view, a bottom view and an exploded view of a receiver according to a first embodiment of the present invention. As shown in fig. 1 to 3, the receiver of the present embodiment includes a piezoelectric sheet 1, a power supply member 2, a support member 3, and a damping member 4. Wherein, the power supply part 2 is fixedly connected with the piezoelectric patch 1, is communicated with an external circuit and is used for providing voltage excitation for the piezoelectric patch 1. The damping component 4 is arranged on one side of the piezoelectric sheet 1, fixedly connected with the piezoelectric sheet 1 and the vibrated surface 6 and used for conducting vibration to the vibrated surface 6. The support 3 is arranged between the piezoelectric sheet 1 and the vibrated surface 6 and fixedly connected with the piezoelectric sheet 1 and the vibrated surface 6, and the support 3 is further provided with a through hole for the damping part 4 to pass through. The surface 6 to be vibrated may be a screen or a housing of an electronic device in which the receiver is arranged. In the present embodiment, the surface 6 to be vibrated is explained as an example of a screen. Voltage excitation is provided for the piezoelectric patch 1 through the external circuit and the power supply part 2, so that the piezoelectric patch 1 deforms under the action of voltage, the damping part 4 is driven to vibrate, the vibration is conducted to the vibrated surface 6 through the damping part 4, the vibrated surface 6 makes sound, and the sound production function of the telephone receiver is realized. Through the fixed connection among the piezoelectric plate 1, the power supply part 2 and the damping part 4, the modular packaging of the telephone receiver is realized, the structure is simple and compact, the integrity is strong, and the structural performance of the telephone receiver is further improved. Moreover, the damping part 4 is arranged on the piezoelectric sheet 1 and the vibrated surface, so that the vibration mode of the telephone receiver can be adjusted, the sound radiation is optimized, the tone quality of the telephone receiver is improved, and the service performance of the telephone receiver is optimized.

Fig. 4 is a structural diagram of a power supply member according to a first embodiment of the present invention, and fig. 5 is a schematic diagram of a connection between the power supply member according to the first embodiment of the present invention and a piezoelectric plate. As shown in fig. 4 and 5, the power supply member 2 is provided as a flexible wiring board including a body portion 21 and a conductive portion 22. The conductive portion 22 is fixedly connected to the piezoelectric sheet 1. The body portion 21 extends outwardly from the conductive portion 22 and communicates with an external circuit for providing voltage excitation to the piezoelectric patch 1. The conductive portion 22 is a U-shaped structure with an opening facing the main body 21, one end of the conductive portion 22 is connected to the main body 21, and two sides of the inner wall of the conductive portion 22 are respectively and fixedly connected to two sides of the piezoelectric patch 1. Therefore, the area of the connection part of the piezoelectric sheet 1 and the power supply part 2 is increased while the sound production of the telephone receiver is realized, and the overall structural performance between the piezoelectric sheet 1 and the power supply part 2 is improved. Moreover, the flexible circuit board can be bent at will, and has the characteristics of light weight, good heat dissipation, easy assembly and connection and the like, so that the telephone receiver is further convenient to assemble and the service performance of the telephone receiver is optimized.

Fig. 6 is a schematic structural view of the damping member 4 according to the first embodiment of the present invention. As shown in fig. 6, the damping member 4 includes a damping portion 41 and a connecting portion 42. The damping part 41 is located at the center of the connecting part 42 and is fixedly connected with the piezoelectric sheet 1. Specifically, in the present embodiment, the cross-sectional area of the damper portion 41 is smaller than the cross-sectional area of the connecting portion 42. The other side of the connecting part 42 relative to the position of the damping part 41 is fixedly connected with the vibrated surface 6. Thereby, the sound quality and the usability of the receiver are improved by the damping part 41, and the damping member 4 is fixedly connected with the surface 6 to be vibrated by the connecting part 42.

In an alternative implementation, the damping part 4 may be provided as a spring or other elastic mechanical element made of an elastic material such as foam, rubber, or spring steel. Therefore, the manufacturing cost of the telephone receiver is reduced, and the production and the universal use of the telephone receiver are facilitated. In addition, the damping part 4 can be positioned at the zooming or center position of the piezoelectric sheet 1, so that the damping part 4 is more convenient to install.

Fig. 7 is an installation schematic diagram of a receiver and a connecting piece according to the first embodiment of the present invention, fig. 8 is an explosion diagram of the receiver and the connecting piece according to the first embodiment of the present invention, and fig. 9 is a schematic structural diagram of the connecting piece according to the first embodiment of the present invention. As shown in fig. 7 to 9, the surface to be vibrated 6 is provided with the connecting member 5. One side of the connecting piece 5 is opened with an accommodating cavity 51 for fixing the vibrated surface 6, and the other side is opened with a mounting groove 52 which penetrates through the accommodating cavity 51 and is used for fixing the supporting piece 3. Therefore, the receiver is fixedly connected with the vibrated surface 6 through the connecting piece 5, the installation of the receiver is realized, and the installation mode is simple and effective. Meanwhile, in the use process of the telephone receiver, the vibration surface 6 isolates the direct contact between the telephone receiver and the external environment, so that the cleanness of the telephone receiver is favorably maintained, the influence of impurities such as dust in the environment on the sound production performance of the telephone receiver is further prevented, the use performance of the telephone receiver is further improved, and the service life of the telephone receiver is prolonged.

Fig. 10 is a schematic structural diagram of a supporting member according to a first embodiment of the present invention. As shown in fig. 10, the support 3 includes a supporting portion 31 and a mounting portion 32. The mounting portions 32 are disposed at both ends of the supporting portion 31, and the top portion thereof is stepped with the supporting portion 31 beyond the supporting portion 31. The supporting portion 31 includes a hollow portion 311 and a fixing portion 312, and the fixing portion 312 is located at two ends of the hollow portion 311. The piezoelectric sheet 1 is disposed on the hollow portion 311, and two ends of the piezoelectric sheet 1 are fixedly connected to the fixing portion 312. Mounting holes 321 are formed in the top of the mounting portion 32 along the deformation direction of the piezoelectric sheet 1, fixing blocks 53 are convexly arranged at two ends of the mounting groove 52, and fixing holes 531 are formed in positions, corresponding to the mounting holes 321, on the fixing blocks 53. Fixing members such as bolts are inserted through the mounting holes 321 and the fixing holes 531 in this order to fix the support member 3 to the connecting member 5. Thus, the piezoelectric sheet 1 is mounted on the support 3, the support 3 is fixedly connected with the connecting piece 5, and the telephone receiver is mounted.

Example two

Fig. 11 is an exploded view of a receiver according to a second embodiment of the present invention. As shown in fig. 11, the receiver of the present embodiment includes a piezoelectric sheet 1, a power supply member 2, a weight member 7, a support member 3, and a damping member 4. Wherein, the power supply part 2 is fixedly connected with the piezoelectric patch 1, is communicated with an external circuit and is used for providing voltage excitation for the piezoelectric patch 1. The weight member 7 is disposed on the same side of the piezoelectric sheet 1 as the power supply member 2. The damping member 4 is disposed on the other side of the piezoelectric sheet 1 opposite to the weight member 7, is fixedly connected to the piezoelectric sheet 1 and the surface 6 to be vibrated, and is configured to conduct vibration to the surface 6 to be vibrated. The support 3 is arranged between the piezoelectric sheet 1 and the vibrated surface 6 and fixedly connected with the piezoelectric sheet 1 and the vibrated surface 6, and the support 3 is further provided with a through hole for the damping part 4 to pass through. The vibrated surface 6 is a screen 9 or housing 11 of the electronic device. In this embodiment, the surface 6 to be vibrated is the screen 9, and the structure and arrangement of the piezoelectric sheet 1, the power supply member 2, the support member 3 and the damping member 4 are the same as those of the first embodiment, and will not be described again here. Therefore, through the fixed connection among the piezoelectric plate 1, the power supply part 2 and the damping part 4, the modular packaging of the telephone receiver is realized, the structure is simple and compact, the integrity is strong, and the structural performance of the telephone receiver is further improved. Moreover, the damping component 4 is arranged on the piezoelectric piece 1 and the vibrated surface 6, so that the vibration mode of the telephone receiver is adjusted, the sound radiation is optimized, the tone quality of the telephone receiver is improved, and the service performance of the telephone receiver is optimized.

In an alternative implementation, the weight member 7 is located at a corner or a center of the piezoelectric sheet 1, and the projection of the weight member 7 and the damping member 4 along the deformation direction of the piezoelectric sheet 1 does not overlap. Therefore, the mass and rigidity distribution of the surface of the piezoelectric sheet 1 are adjusted through the position of the weight member 7, and the vibration mode of the telephone receiver is further adjusted, so that the sound production performance of the telephone receiver is improved. Moreover, by changing the relative positions of the counterweight component 7 and the damping component 4, the flatness of the sound pressure level frequency response curve of the telephone receiver is optimized, the sound distortion is reduced, the tone quality of the telephone receiver is further improved, and the service performance of the telephone receiver is improved.

EXAMPLE III

Fig. 12 is a schematic structural diagram of an electronic device according to a third embodiment of the present invention. As shown in fig. 12, the electronic device of the present embodiment includes a receiver 8, a connector 5, a screen 9, a housing 11, a main circuit board 12, and a bezel 10, where the screen 9, the main circuit board 12, and the housing 11 are sequentially and fixedly connected, and the bezel 10 is disposed on the periphery of the screen 9, the main circuit board 12, and the housing 11. In this embodiment, the structure and the arrangement mode of the receiver 8 may be any one of the first embodiment or the second embodiment, and are not expanded here. The surface to be vibrated is a screen 9. The receiver 8 is arranged between the screen 9 and the main circuit board 12 and is fixedly connected with the screen 9 through the connecting piece 5. The main circuit board 12 includes an audio processing module including a control circuit and a power amplifying unit. The control circuit is configured to output an audio signal, and the power amplification unit is configured to perform power amplification on the audio signal and output the audio signal to the receiver 8. Therefore, the volume of the sound emitted by the receiver 8 is determined by adjusting the size of the output audio signal, and the sound quality is adjusted by the structure of the receiver 8, so that the sound performance of the electronic equipment is improved. Moreover, the telephone receiver 8 has a simple and compact structure, so that the volume of the electronic equipment is convenient to reduce, the use by a user is convenient, and the overall performance of the electronic equipment is further improved.

It should be understood that the electronic device of the present embodiment may be embodied as a mobile phone, a tablet computer, or other electronic devices with a receiver.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A receiver, comprising:

a piezoelectric sheet (1);

the power supply component (2) is fixedly connected with the piezoelectric sheet (1), is communicated with an external circuit and is used for providing voltage excitation for the piezoelectric sheet (1);

the damping component (4) is arranged on one side of the piezoelectric sheet (1), is fixedly connected with the piezoelectric sheet (1) and the surface (6) to be vibrated, and is used for conducting vibration to the surface (6) to be vibrated; and

the support piece (3) is fixedly connected with the piezoelectric sheet (1) and the vibrated surface (6), and a through hole for the damping part (4) to pass through is formed in the support piece (3);

wherein the vibrated surface (6) is a screen or a housing of an electronic device.

2. A receiver according to claim 1, wherein the damping member (4) is located at a corner or a center of the piezoelectric sheet (1).

3. A receiver according to claim 1, characterized in that it further comprises:

and at least one weight member (7) arranged on the other side of the piezoelectric sheet (1) opposite to the damping member (4).

4. A receiver according to claim 3, wherein said weight member (7) is located at a corner or a center of said piezoelectric sheet (1).

5. A receiver according to claim 4, wherein the weight member (7) and the damping member (4) do not overlap in projection along the direction of deformation of the piezoelectric sheet (1).

6. A receiver according to claim 1, wherein said power supply part (2) is provided as a flexible wiring board including a body part (21) and a conductive part (22);

the conductive part (22) is fixedly connected with the piezoelectric patch (1), and the body part (21) extends outwards from the conductive part (22) and is communicated with an external circuit and used for providing voltage excitation for the piezoelectric patch (1).

7. A receiver according to claim 1, characterized in that the surface (6) to be vibrated is provided with a connecting piece (5), one side of the connecting piece (5) is provided with a containing cavity (51), and the other side of the connecting piece (5) is provided with a mounting groove (52) penetrating through the containing cavity (51);

wherein the receiving cavity (51) is used for fixing the vibrated surface (6), and the mounting groove (52) is used for fixing the supporting piece (3).

8. A receiver according to claim 7, characterized in that the two ends of the supporting member (3) are protruded with step-shaped mounting portions (32), and the mounting portions (32) are provided with mounting holes (321).

9. An electronic device, characterized in that the electronic device comprises a receiver according to any of claims 1-8.