CN215818611U - High heat dissipation speaker structure of steel sheet parcel - Google Patents
High heat dissipation speaker structure of steel sheet parcel Download PDFInfo
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- CN215818611U CN215818611U CN202121787302.XU CN202121787302U CN215818611U CN 215818611 U CN215818611 U CN 215818611U CN 202121787302 U CN202121787302 U CN 202121787302U CN 215818611 U CN215818611 U CN 215818611U
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- steel sheet
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Abstract
The utility model discloses a steel sheet wrapped high-heat-dissipation loudspeaker structure which comprises an upper shell and a lower shell which are connected, wherein a containing cavity is formed in the lower shell, a loudspeaker monomer is arranged in the containing cavity, a rear cavity is formed in the lower shell, the containing cavity is arranged in the rear cavity, and a first metal sheet is arranged in the lower shell; the upper shell comprises a second metal sheet and an outer frame body arranged around the second metal sheet in a surrounding mode, and the upper shell corresponds to the rear cavity. The utility model can improve the utilization space of the inner cavity of the loudspeaker, can effectively accelerate the BOX heat dissipation, and avoids the problems of the reliability and the service life of the loudspeaker caused by poor heat dissipation.
Description
Technical Field
The utility model relates to the technical field of speakers, in particular to a steel sheet wrapped high-heat-dissipation speaker structure.
Background
The existing loudspeaker has fixed requirements on the aspect of volume requirements, for example, 1511 large magnetic single body needs a back cavity space of about 1CC to exert the due performance best. Either too large or too small can have different adverse effects. Under the large environment of the existing industry, the whole space of the mobile phone is compressed again and again, the requirement is improved again and again, and devices are increased again and again, so that the insufficient space is compressed again.
The existing loudspeaker shell requires the use of plastic shell materials, for example, the wall thickness is basically designed to be about 0.6mm, and the limit state is local 0.5mm, so that the upper shell and the lower shell occupy the height space of 1mm-1.2mm of the whole body, the space utilization of a BOX module is seriously influenced, the product performance is seriously influenced, under the condition of structural limitation, the rear cavity space is compressed, the amplitude of the BOX is seriously pressed, the airflow is reduced during the product working period, the heat dissipation of the product is poor, the temperature rise of the product is accelerated, even the product is used at ultrahigh temperature, and the reliability of the product is seriously influenced.
Thus, a speaker structure is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a steel sheet wrapped high-heat-dissipation loudspeaker structure to avoid the defects in the prior art, and the use space and the heat dissipation effect are improved.
The technical scheme adopted by the utility model for solving the technical problems is as follows: a steel sheet wrapped high-heat-dissipation loudspeaker structure comprises an upper shell and a lower shell which are connected, wherein a containing cavity is formed in the lower shell, a loudspeaker single body is arranged in the containing cavity, a rear cavity is formed in the lower shell, the containing cavity is formed in the rear cavity, and a first metal sheet is arranged in the lower shell; the upper shell comprises a second metal sheet and an outer frame body arranged around the second metal sheet in a surrounding mode, and the upper shell corresponds to the rear cavity.
In several embodiments, the second metal sheet is provided with a plurality of first grooves which are recessed inwards, and the first grooves are connected with the outer frame body.
In several embodiments, a through hole is formed in the lower shell, the through hole is formed in the rear cavity and is not in contact with the accommodating cavity, the first metal sheet is used for covering the through hole, a plurality of second grooves are formed in the first metal sheet in a manner that the whole body of the first metal sheet is inwards recessed, and the second grooves are connected with the lower shell.
In several embodiments, the first metal sheet includes a first main body portion and a second main body portion, which are connected to each other, and the first main body portion and the second main body portion are respectively disposed at two adjacent sides of the accommodating cavity.
In several embodiments, the first main body portion is flush with the lower edge of the second main body portion, and the upper edge of the first main body portion is higher than the upper edge of the second main body portion.
In several embodiments, the second metal sheet includes a first connecting portion, a second connecting portion and a third connecting portion, the first connecting portion is disposed at two adjacent sides of the second connecting portion in a semi-surrounding manner, the third connecting portion is disposed at the other side of the second connecting portion and is connected to the first connecting portion, and the second connecting portion corresponds to the accommodating cavity.
The utility model has the following beneficial effects:
according to the utility model, aiming at the space and the position of the front cavity and the rear cavity of the shell, the steel sheet is used for replacing a plastic material, the whole height can be effectively compressed, and under the same height, the height space of 0.3mm-0.4mm can be effectively increased by the upper shell and the lower shell of the BOX, and the space of the rear cavity is effectively increased to a great extent aiming at the condition that the rear cavity is seriously insufficient; through the steel sheet structure, the medium of exchanging with ambient temperature is the metal steel sheet, and the heat dissipation degree of steel sheet is higher than plastic material, can very effectual quickening BOX heat dissipation, avoids because of the speaker reliability and the life problem that the heat dissipation is not good causes.
Drawings
The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not to be considered limiting of the scope of the present disclosure.
Fig. 1 schematically illustrates an exploded structure of a speaker in an embodiment;
fig. 2 schematically shows the overall structure of the upper case in one embodiment;
FIG. 3 schematically illustrates the structure of a second metal sheet in one embodiment;
fig. 4 schematically shows the entire structure of the lower case in one embodiment;
fig. 5 schematically shows the structure of the first metal sheet in an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be described in detail below, and the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention.
Therefore, the detailed description of the embodiments of the present invention provided below is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention, and all other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without inventive efforts shall fall within the scope of the present invention.
The terminology used herein is for the purpose of describing embodiments only and is not intended to be limiting and/or limiting of the utility model.
For example, expressions such as "in a certain direction", "along a certain direction", "parallel", "orthogonal", "center", "relative", "front-back-left-right" and the like indicate relative or absolute arrangements, and indicate not only such arrangements in a strict sense but also a state of being relatively displaced with a tolerance or an angle or a distance to the extent that the same function can be obtained.
As shown in fig. 1-5, the steel sheet-wrapped high-heat-dissipation speaker structure in this embodiment includes an upper housing 100 and a lower housing 200 connected to each other, a receiving cavity 300 is disposed in the lower housing 200, a speaker unit 400 is disposed in the receiving cavity 300, specifically, a rear cavity 210 is disposed in the lower housing 200, the receiving cavity 300 is disposed in the rear cavity 210, a first metal sheet 500 is disposed in the lower housing 200, the upper housing 100 includes a second metal sheet 600 and an outer frame 700 disposed around the second metal sheet 600, the upper housing 100 corresponds to the rear cavity 210 to realize a BOX structure, wherein the lower housing except the first metal sheet is made of a PC plastic material, the outer frame is made of a PC plastic material, the first metal sheet and the second metal sheet are made of a stainless steel sheet 304, a specific heat capacity of the metal (304) is 0.5KJ/KG SUS K, the specific heat capacity of the PC plastic is 1.256KJ/KG xK, so that the heat exchange between the BOX cavity and the free field air can be achieved more quickly by adopting the steel sheet, and the long-time working reliability of the product is guaranteed.
In this embodiment, the second metal sheet 600 is provided with a plurality of first grooves 601 in the inward recessed manner, the first grooves 601 are connected with the outer frame body 700, the first grooves are uniformly distributed at the edges of the second metal sheet, the first grooves are shaped like isosceles trapezoids, namely, dovetail grooves, and the edges of the first grooves are bent towards one side, so that after the second metal sheet is placed into a mold for injection molding, an outer frame structure is formed after the second metal sheet is placed around and filled with the first grooves, and therefore the outer frame body and the second metal sheet are connected tightly, and stability is ensured.
Meanwhile, the second metal sheet 600 includes a first connection portion 610, a second connection portion 620 and a third connection portion 630, the first connection portion 610 is disposed on two adjacent sides of the second connection portion 620 in a semi-surrounding manner, the third connection portion 630 is disposed on the other side of the second connection portion 620 and connected to the first connection portion 610, the second connection portion 620 corresponds to the accommodating cavity 300, and the second metal sheet integrally forms an L-shaped structure, and is consistent with the shape of the rear cavity and corresponds to reduce the thickness and improve the heat dissipation effect.
Wherein, be provided with a through-hole 201 in casing 200 down, through-hole 201 sets up on rear cavity 210 and does not contact with holding chamber 300, first sheetmetal is used for covering the through-hole, first sheetmetal 500 is inwards sunken around be provided with a plurality of second recess 501, second recess 501 is connected with casing 200 down, and the through-hole is the L form roughly promptly, and its setting is detached the position that holds the chamber on the rear cavity, is used for arranging the position of first sheetmetal from this, and the second recess is unanimous with first recess form, and same injection moulding between first sheetmetal and the lower casing, both connect closely, and stability is good, provides heat dissipation and attenuate effect by first sheetmetal.
Specifically, the first metal sheet 500 includes a first main body portion 510 and a second main body portion 520 connected to each other, the first main body portion 510 and the second main body portion 520 are respectively disposed at two adjacent sides of the accommodating cavity 300, the lower edges of the first main body portion 510 and the second main body portion 520 are flush, and the upper edge of the first main body portion 510 is higher than the upper edge of the second main body portion 520. First sheetmetal is whole to be L column structure promptly, occupies the back cavity space except that holding the chamber, realizes good attenuate and heat conduction radiating effect.
The use of the terms "a" and "an" and "the" and similar referents in the context of describing the utility model are to be construed to cover both the singular and the plural, unless otherwise indicated herein or clearly contradicted by context. Recitation of ranges of values herein are merely intended to serve as a shorthand method of referring individually to each separate value falling within the range, unless otherwise indicated herein, and each separate value is incorporated into the specification as if it were individually recited herein. All manner of description herein may be performed in any suitable order unless otherwise indicated herein or otherwise clearly contradicted by context. The use of any and all examples, or exemplary language (e.g., "such as") provided herein, is intended merely to better illuminate the utility model and does not pose a limitation on the scope of the utility model unless otherwise claimed. No language in the specification should be construed as indicating any non-claimed element as essential to the practice of the utility model.
The present invention describes preferred embodiments, including the best mode known to the inventors for carrying out the utility model. Of course, variations of these preferred embodiments will be apparent to those skilled in the art. The inventors envision that the variations may be used as appropriate by those skilled in the art and the inventors intend for the utility model to be practiced otherwise than as specifically described herein. Accordingly, this invention includes all modifications encompassed within the spirit and scope of the utility model as defined by the claims. Moreover, any and all possible variations of the above-described elements are encompassed by the present invention unless otherwise indicated herein or otherwise clearly contradicted by context.
Claims (6)
1. A steel sheet wrapped high-heat-dissipation loudspeaker structure comprises an upper shell and a lower shell which are connected, wherein a containing cavity is formed in the lower shell, and a loudspeaker single body is arranged in the containing cavity;
the upper shell comprises a second metal sheet and an outer frame body arranged around the second metal sheet in a surrounding mode, and the upper shell corresponds to the rear cavity.
2. The steel sheet-wrapped high-heat-dissipation loudspeaker structure as recited in claim 1, wherein the second metal sheet is provided with a plurality of first grooves which are inwardly recessed around the second metal sheet, and the first grooves are connected with the outer frame.
3. The steel sheet-wrapped high-heat-dissipation loudspeaker structure as recited in claim 1, wherein a through hole is formed in the lower housing, the through hole is formed in the rear housing and does not contact with the accommodating cavity, the first metal sheet is used for covering the through hole, a plurality of second grooves are formed in the first metal sheet and are recessed inwards, and the second grooves are connected with the lower housing.
4. The steel sheet-wrapped high-heat-dissipation loudspeaker structure as recited in claim 3, wherein the first metal sheet comprises a first main body part and a second main body part which are connected, and the first main body part and the second main body part are respectively arranged at two adjacent sides of the accommodating cavity.
5. The steel sheet-wrapped high-heat-dissipation loudspeaker structure as claimed in claim 4, wherein the first main body part is flush with the lower edge of the second main body part, and the upper edge of the first main body part is higher than the upper edge of the second main body part.
6. The steel sheet-wrapped high-heat-dissipation loudspeaker structure as recited in claim 2, wherein the second metal sheet comprises a first connecting portion, a second connecting portion and a third connecting portion, the first connecting portion is disposed on two adjacent sides of the second connecting portion in a semi-surrounding manner, the third connecting portion is disposed on the other side of the second connecting portion and connected with the first connecting portion, and the second connecting portion corresponds to the accommodating cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121787302.XU CN215818611U (en) | 2021-08-02 | 2021-08-02 | High heat dissipation speaker structure of steel sheet parcel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121787302.XU CN215818611U (en) | 2021-08-02 | 2021-08-02 | High heat dissipation speaker structure of steel sheet parcel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215818611U true CN215818611U (en) | 2022-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121787302.XU Active CN215818611U (en) | 2021-08-02 | 2021-08-02 | High heat dissipation speaker structure of steel sheet parcel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215818611U (en) |
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2021
- 2021-08-02 CN CN202121787302.XU patent/CN215818611U/en active Active
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