CN210781325U

CN210781325U - Loudspeaker box and terminal equipment

Info

Publication number: CN210781325U
Application number: CN201921800964.9U
Authority: CN
Inventors: 李金明
Original assignee: AAC Technologies Pte Ltd
Current assignee: AAC Technologies Pte Ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-06-16
Anticipated expiration: 2029-10-24
Also published as: WO2021077459A1

Abstract

The utility model provides a speaker box and terminal equipment, the speaker box include the upper cover plate, with the upper cover forms accommodating space's lower apron, accept in sound production monomer in the accommodating space, be fixed in apron and cover down the free first steel sheet of sound production and setting are in first steel sheet with electrically conductive bubble between the sound production monomer is cotton, it presents a little to be provided with ground connection on the upper cover plate, a serial communication port, be fixed with on the upper cover plate with the second steel sheet that some connections are presented to ground connection, the speaker box is still including switching on, the one end that switches on with first steel sheet is connected, the other end that switches on with the second steel sheet is connected. By the technical scheme, the technical problems that in the prior art, when the sounding single body, the lower cover steel sheet and the whole machine end are communicated and grounded, the resistance is large and unstable, and the whole conductivity fluctuates are solved.

Description

Loudspeaker box and terminal equipment

[ technical field ] A method for producing a semiconductor device

The utility model relates to an acoustoelectric conversion technical field especially relates to a speaker box and terminal equipment.

[ background of the invention ]

With the rapid development of science and technology, people pursue living quality more and more, and portable multimedia audio-visual equipment such as notebook computers, mobile phones and the like are used as experience loudspeaker boxes in daily life, and people demand the equipment more and more. In the production of a loudspeaker box, a sounding monomer and a lower cover steel sheet need to be grounded, the resistance value is less than 2 ohms, but the grounding feed point of the whole loudspeaker box is arranged on one side of an upper cover plate, and the tail part of a conductive copper foil is led to the position of the upper cover from the side surface of the loudspeaker box and is communicated with the whole loudspeaker box to be grounded through the conductive copper foil with conductive adhesive attached to the steel sheet. However, the conductive paste has a large and unstable resistance, and the overall conductivity fluctuates due to the influence of the adhesion state.

Therefore, there is a need for a loudspeaker enclosure.

[ Utility model ] content

An object of the utility model is to provide a speaker box and terminal equipment to when solving sound production monomer, lower cover steel sheet and complete machine end intercommunication ground connection among the prior art, there is great unstability of resistance, whole conductivity to have undulant technical problem.

The technical scheme of the utility model as follows:

the utility model provides a loudspeaker box, loudspeaker box include the upper cover plate, with the upper cover plate forms accommodating space's lower apron, accept in sound production monomer in accommodating space, be fixed in apron and cover down first steel sheet of sound production monomer and setting are in first steel sheet with electrically conductive bubble between the sound production monomer is cotton, it presents a little to be provided with ground connection on the upper cover plate, be fixed with on the upper cover plate with ground connection presents a second steel sheet of point connection, loudspeaker box still including switching on the piece, the one end that switches on the piece with first steel sheet is connected, the other end that switches on the piece with the second steel sheet is connected.

Further, the conducting piece comprises a first contact part connected with the first steel sheet, a second contact part connected with the second steel sheet and a connecting part obliquely arranged between the first contact part and the second contact part.

Further, the first contact part and the first steel sheet are welded and fixed, and the second contact part and the second steel sheet are welded and fixed.

Furthermore, the first contact part is in transition connection with the curved surface of the connecting part, and the second contact part is in transition connection with the curved surface of the connecting part.

Furthermore, the first contact part is of a flat plate structure, and a contact point is arranged on the plane of the first contact part far away from the second contact part.

Further, the connection area of the second contact part and the second steel sheet is smaller than the connection area of the first contact part and the first steel sheet.

Furthermore, the upper cover plate is provided with a through hole, the second steel sheet comprises a main body part covering the through hole and an enclosing part bent and extended towards the first steel sheet from the main body part, and the enclosing part and the upper cover plate are subjected to injection molding.

Furthermore, the surface of the main body part opposite to the first steel sheet and the hole wall of the through hole form a limiting groove, and the second contact part is positioned in the limiting groove.

Further, the orthographic projection of the second steel sheet at least partially overlaps the orthographic projection of the first steel sheet.

Further, a terminal device comprising a loudspeaker enclosure as described above.

The beneficial effects of the utility model reside in that: a second steel sheet is fixedly arranged on the upper cover plate and is connected with the grounding feed point; then set up between first steel sheet and second steel sheet and lead to the piece, the one end that leads to the piece is connected with first steel sheet, and the other end that leads to the piece is connected with the second steel sheet to realize leading to between second steel sheet and the first steel sheet, realized promptly that first steel sheet, sound production monomer and ground connection present the switching on of some, lead to the piece resistance low and stable, do not occupy accommodating space. By the technical scheme, the technical problems that in the prior art, when the sounding single body, the lower cover steel sheet and the whole machine end are communicated and grounded, the resistance is large and unstable, and the whole conductivity fluctuates are solved.

[ description of the drawings ]

Fig. 1 is a schematic view of an overall structure of a speaker box according to the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a schematic structural view of a conducting member;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 1;

fig. 5 is a partially enlarged schematic view of a portion B in fig. 4.

[ detailed description ] embodiments

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The present invention will be further described with reference to the accompanying drawings and embodiments. Referring to fig. 1 to 3, the speaker box includes an upper cover plate 10, a lower cover plate 20 forming an accommodating space 40 with the upper cover plate 10, a sound generating unit 30 accommodated in the accommodating space 40, a first steel sheet 50 fixed to the lower cover plate 20 and covering the sound generating unit 30, and a conductive foam 70 disposed between the first steel sheet 50 and the sound generating unit 30, wherein a ground feeding point is disposed on the upper cover plate 10, a second steel sheet 60 connected to the ground feeding point is fixed on the upper cover plate 10, the speaker box further includes a conducting member 80, one end of the conducting member 80 is connected to the first steel sheet 50, and the other end of the conducting member 80 is connected to the second steel sheet 60.

In the utility model, the upper cover plate 10 is fixedly provided with the second steel sheet 60, and the second steel sheet 60 is connected with the grounding feed point; then set up between first steel sheet 50 and second steel sheet 60 and lead to the piece 80, the one end and the first steel sheet 50 of leading to the piece 80 are connected, the other end and the second steel sheet 60 of leading to the piece 80 are connected, thereby realize the switch-on between second steel sheet 60 and the first steel sheet 50, first steel sheet 50 has been realized promptly, switching-on of sound production monomer 30 and ground connection feed point, the piece 80 resistance that leads to is low and stable, do not occupy accommodating space 40, when applying this technical scheme to solve among the prior art sound production monomer 30, lower cover steel sheet and complete machine end intercommunication ground connection, there is great unstability of resistance, there is undulant technical problem in whole conductivity.

Referring to fig. 3, the conduction member 80 includes a first contact portion 81 connected to the first steel sheet 50, a second contact portion 82 connected to the second steel sheet 60, and a connection portion 83 obliquely disposed between the first contact portion 81 and the second contact portion 82. Preferably, the first contact portion 81 is welded and fixed to the first steel sheet 50, and the second contact portion 82 is welded and fixed to the second steel sheet 60, so as to ensure good contact between the first contact portion 81 and the first steel sheet 50, and between the second contact portion 82 and the second steel sheet 60.

Furthermore, the first contact portion 81 is in curved surface transition connection with the connection portion 83, and the second contact portion 82 is in curved surface transition connection with the connection portion 83, so that the conducting member 80 is flexibly and stably clamped between the first steel sheet 50 and the second steel sheet 60, and cannot be easily broken due to compression.

And the first contact part 81 is in a flat plate structure, so that the first contact part 81 is ensured to be in complete contact with the first steel sheet 50, meanwhile, a contact point 811 is arranged on a plane of the first contact part 81 away from the second contact part 82, and the first contact part 81 is in interference fit connection with the first steel sheet 50 through the contact point 811, so that the contact between the first contact and the first steel sheet 50 is further ensured.

In the present embodiment, the connection area of the second contact portion 82 to the second steel sheet 60 is smaller than the connection area of the first contact portion 81 to the first steel sheet 50.

Referring to fig. 2, 4 and 5, the upper cover plate 10 is provided with a through hole 11, the second steel sheet 60 includes a main body portion 61 covering the through hole 11 and an enclosing portion 62 formed by bending and extending from the main body portion 61 toward the first steel sheet 50, and the enclosing portion 62 and the upper cover plate 10 are injection molded, so that the second steel sheet 60 and the upper cover plate 10 are stably fixed together, and the stability of the whole speaker box is ensured.

Preferably, the plate surface of the main body portion 61 opposite to the first steel plate 50 and the hole wall of the through hole 11 form a limiting groove 90, and the second contact portion 82 is located in the limiting groove 90, that is, the limiting groove 90 can limit the range of the second contact portion 82.

And the orthographic projection of the second steel sheet 60 is at least partially overlapped with the orthographic projection of the first steel sheet 50, namely the second steel sheet 60 is right above the first steel sheet 50, so that the assembly of the conducting piece 80, the first steel sheet 50 and the second steel sheet 60 is convenient and stable.

Further, the utility model also provides a terminal equipment, this terminal equipment includes like aforementioned speaker box.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The above are only embodiments of the present invention, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.

Claims

1. The utility model provides a loudspeaker box, loudspeaker box include the upper cover plate, with the upper cover plate forms accommodating space's lower apron, accept in sound production monomer in accommodating space, be fixed in apron and cover down first steel sheet of sound production monomer and setting are in first steel sheet with electrically conductive bubble between the sound production monomer is cotton, it presents a little to be provided with ground connection on the upper cover plate, a serial communication port, be fixed with on the upper cover plate with second steel sheet that some connections are presented to ground connection, loudspeaker box still including switching on the piece, the one end that switches on the piece with first steel sheet is connected, the other end that switches on the piece with the second steel sheet is connected.

2. The speaker cabinet of claim 1, wherein the conductive member includes a first contact portion connected to the first steel sheet, a second contact portion connected to the second steel sheet, and a connection portion diagonally disposed between the first contact portion and the second contact portion.

3. A loudspeaker enclosure according to claim 2, wherein the first contact is welded to the first steel sheet and the second contact is welded to the second steel sheet.

4. A loudspeaker enclosure according to claim 3, wherein the first contact portion is in curved transition with the connection portion and the second contact portion is in curved transition with the connection portion.

5. A loudspeaker enclosure according to claim 4, wherein the first contact portion is arranged in a flat configuration, and a contact point is arranged on a plane of the first contact portion remote from the second contact portion.

6. A loudspeaker enclosure according to claim 5, wherein the second contact portion is connected to the second steel plate over a smaller area than the first contact portion is connected to the first steel plate.

7. The loudspeaker box of any one of claims 2-5, wherein the upper cover plate is provided with a through hole, the second steel sheet comprises a main body part covering the through hole and an enclosing part formed by bending and extending from the main body part to the first steel sheet, and the enclosing part and the upper cover plate are formed by injection molding.

8. The speaker box as claimed in claim 7, wherein a plate surface of the main body portion opposite to the first steel plate and a hole wall of the through hole form a limiting groove, and the second contact portion is located in the limiting groove.

9. A loudspeaker enclosure according to claim 1, wherein the orthographic projection of the second steel sheet at least partially overlaps the orthographic projection of the first steel sheet.

10. A terminal device, characterized in that the terminal device comprises a loudspeaker enclosure according to any one of claims 1-9.