CN210781309U - Speaker device and mobile terminal - Google Patents

Speaker device and mobile terminal Download PDF

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Publication number
CN210781309U
CN210781309U CN201921730615.4U CN201921730615U CN210781309U CN 210781309 U CN210781309 U CN 210781309U CN 201921730615 U CN201921730615 U CN 201921730615U CN 210781309 U CN210781309 U CN 210781309U
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China
Prior art keywords
heat
plate
heat conducting
conducting
sound
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Expired - Fee Related
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CN201921730615.4U
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Chinese (zh)
Inventor
徐莎莎
惠耀
张哲�
童迪江
吴军
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AAC Technologies Pte Ltd
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AAC Technologies Pte Ltd
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Priority to CN201921730615.4U priority Critical patent/CN210781309U/en
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Abstract

The utility model provides a loudspeaker device and a mobile terminal, wherein the loudspeaker device comprises a loudspeaker box, a heat source separated from the loudspeaker box, a heat conducting piece, a first heat conducting plate and a second heat conducting plate, the loudspeaker box comprises a shell with a first accommodating space, a sound conducting channel formed in the shell, a sound producing monomer accommodated in the first accommodating space and a heat conducting cover plate; the sound production monomer comprises a vibrating diaphragm, the vibrating diaphragm divides the first accommodating space into a front sound cavity and a rear cavity, the shell is provided with a through hole penetrating through the shell, and the heat conduction cover plate is covered on the through hole and forms a front sound cavity together with the vibrating diaphragm and the shell; the sound guide channel and the front sound cavity jointly form a front cavity; the width of the first heat-conducting plate and the width of the second heat-conducting plate are both larger than the width of the heat-conducting piece, one end of the heat-conducting piece is fixed on one side, away from the heat-conducting cover plate, of the first heat-conducting plate, and the other end of the heat-conducting piece is fixed on one side, away from the heat source, of the second heat-conducting plate. Compared with the prior art, the utility model discloses a speaker device and mobile terminal's radiating effect is good.

Description

Speaker device and mobile terminal
[ technical field ] A method for producing a semiconductor device
The utility model relates to an acoustoelectric field especially relates to a speaker device and mobile terminal.
[ background of the invention ]
With the advent of the mobile internet age, the number of smart mobile devices is increasing. Among the mobile devices, the mobile phone is undoubtedly the most common and portable mobile terminal device. A large number of sound generating units for playing sound are used in smart mobile devices such as mobile phones.
The mobile terminal in the related art comprises a shell, a screen, a heat source and a radiating pipe, wherein the screen is covered on the shell and forms an accommodating space together with the shell; the radiating pipe is arranged in the mobile terminal, is generally attached to a middle frame of the shell, and the heat source radiates heat through the middle frame; the heat pipe is generally shaped like a strip.
However, in the related art, since the commonly used heat dissipation tube is in a long strip shape, the heat dissipation area between the heat dissipation tube and the heat source is small, and the heat generated by the heat source cannot be dissipated to the outside of the mobile terminal in time, so that the heat is easily accumulated in the mobile terminal, and the heat dissipation effect is poor.
Therefore, there is a need to provide a new speaker device and a mobile terminal to solve the above-mentioned technical problems.
[ Utility model ] content
An object of the utility model is to provide a speaker device and mobile terminal that the radiating effect is good.
In order to achieve the above object, the present invention provides a speaker device, which includes a speaker box for generating sound, a heat source spaced from the speaker box, a heat conducting member, a first heat conducting plate and a second heat conducting plate, wherein two ends of the heat conducting member are respectively connected to the speaker box and the heat source, the speaker box includes a housing having a first accommodating space, a sound generating unit accommodated in the first accommodating space, a sound guiding channel formed in the housing, and a heat conducting cover plate; the sound-producing unit comprises a vibrating diaphragm for vibrating and producing sound, the vibrating diaphragm divides the first accommodating space into a front sound cavity and a rear cavity, the shell is provided with a through hole penetrating through the shell, and the heat-conducting cover plate is covered on the through hole and encloses the front sound cavity together with the vibrating diaphragm and the shell; the sound guide channel connects the front sound cavity with the outside and forms a front cavity together with the front sound cavity; the first heat-conducting plate is fixed on one side, far away from the vibrating diaphragm, of the heat-conducting cover plate, the second heat-conducting plate is fixed on the heat source, the widths of the first heat-conducting plate and the second heat-conducting plate are larger than the width of the heat-conducting piece, one end of the heat-conducting piece is fixed on one side, far away from the heat-conducting cover plate, of the first heat-conducting plate, and the other end of the heat-conducting piece is fixed on one side, far away from the heat source, of the second.
Preferably, the first heat-conducting plate and the second heat-conducting plate are both flat.
Preferably, the first heat conducting plate comprises a first plate body fixed on one side, far away from the vibrating diaphragm, of the heat conducting cover plate and a plurality of extending rib walls extending from the first plate body to the direction far away from the heat conducting cover plate, and the heat conducting piece is fixed on the first plate body and arranged at intervals with the extending rib walls.
Preferably, the heat-conducting cover plate at least partially falls on the diaphragm along the forward projection of the diaphragm to the diaphragm in the vibration direction of the diaphragm.
Preferably, the orthographic projection of the first heat conduction plate to the heat conduction cover plate along the vibration direction of the vibrating diaphragm falls on the heat conduction cover plate completely.
Preferably, the first heat conducting plate and the second heat conducting plate are both any one of a steel sheet and a copper sheet.
Preferably, the heat conducting member includes a first end fixed to a side of the first heat conducting plate away from the heat conducting cover plate, a second end spaced from the first end and fixed to a side of the second heat conducting plate away from the heat source, and a connecting portion connecting the first end and the second end.
Preferably, the heat conducting member is a hollow integrally formed structure, and the heat conducting member is filled with a heat conducting medium.
Preferably, the housing includes an upper cover and a lower cover covering the upper cover and forming the first receiving space together; the through hole penetrates through the upper cover, and the sound guide channel is formed in the upper cover; the heat-conducting cover plate, the vibrating diaphragm and the upper cover jointly enclose the front sound cavity, and the lower cover, the upper cover and the vibrating diaphragm jointly enclose the rear cavity.
Preferably, the housing further comprises a micro valve fixedly installed on the lower cover.
Preferably, the micro valve includes any one of a passive on-off valve and a passive on-off valve.
The utility model also comprises a mobile terminal, which comprises a shell, a screen which is covered on the shell and forms a second containing space together with the shell, and a loudspeaker device, wherein the loudspeaker device is arranged in the second containing space; the shell is provided with a sound outlet penetrating through the shell, and the sound outlet is communicated with the front sound cavity through the sound guide channel so as to dissipate heat conducted from the heat source to the front sound cavity through the heat conducting piece to the outside of the shell.
Compared with the prior art, in the loudspeaker device of the utility model, the widths of the first heat conducting plate and the second heat conducting plate are both larger than the width of the heat conducting piece, one end of the heat conducting piece is fixed on one side of the first heat conducting plate away from the heat conducting cover plate, the other end of the heat conducting piece is fixed on one side of the second heat conducting plate away from the heat source, the heat source conducts the heat to the heat conducting piece through the second heat conducting plate, the heat conducting piece transmits the heat and conducts the heat to the front sound cavity through the first heat conducting plate and the heat conducting cover plate in sequence, and finally the heat in the front sound cavity is promoted to be dissipated out of the shell through vibration of the vibrating diaphragm, thereby realizing the heat dissipation of the heat source, in the structure, the heat dissipation area between the heat conducting piece and the heat conducting cover plate is increased through the mode of arranging the first heat conducting plate between the heat conducting piece and the heat conducting, thereby making the heat dissipation effect of the speaker device good. The utility model discloses a mobile terminal includes the shell, the lid is located the shell and encloses into the screen of second accommodating space jointly with the shell and the utility model discloses a speaker device, speaker device install in second accommodating space, the shell be equipped with run through on it and with the sound outlet of leading sound passageway intercommunication, sound cavity and external intercommunication before the sound outlet will to give off the heat of first end heat dissipation in preceding sound intracavity to the external world along with the circulation of air, thereby avoided the heat to accumulate inside mobile terminal, make mobile terminal's radiating effect good effectively.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic perspective view of a speaker device according to the present invention;
fig. 2 is an exploded view of a part of the three-dimensional structure of the speaker device of the present invention;
fig. 3 is another exploded schematic view of a part of the three-dimensional structure of the speaker device of the present invention;
FIG. 4 is a sectional view taken along line A-A of FIG. 1;
fig. 5 is an exploded schematic view of the three-dimensional structure of the mobile terminal of the present invention;
FIG. 6 is a sectional view taken along line B-B of FIG. 5;
fig. 7 is an enlarged view of a portion indicated by C in fig. 6.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 7, the present invention provides a speaker device 100 and a mobile terminal 200 using the speaker device 100.
Speaker device 100 including be used for the speaker box 1 of sound production, with heat source 2, heat-conducting member 3, first heat-conducting plate 4 and the second heat-conducting plate 5 that speaker box 1 interval set up.
The speaker box 1 includes a housing 11, a sound generating unit 12, and a heat conductive cover 13.
Specifically, the housing 11 has a first receiving space 10, the housing 11 has a through hole 1101 penetrating therethrough, and the housing 11 further has a sound guide passage 1102 formed therein.
The structural form of the housing 11 is not limited, and it may be an integral structure or a separate structure; for example, in the present embodiment, the housing 11 has a separate structure, and includes an upper cover 111 and a lower cover 112 covering the upper cover 111 and forming the first receiving space 10. The through hole 1101 is disposed through the upper cover 111, and the sound guide passage 1102 is formed in the upper cover 111.
The sound generating unit 12 is accommodated in the first accommodating space 10, and includes a diaphragm 121 for vibrating and generating sound, and the diaphragm 121 divides the first accommodating space 10 into a front sound cavity 101 and a rear cavity 102.
The heat conducting cover plate 13 is disposed in the through hole 1101, and encloses the front sound cavity 101 together with the diaphragm 121 and the housing 11, that is, in this embodiment, the heat conducting cover plate 13, the diaphragm 121 and the upper cover 111 enclose the front sound cavity 101 together, and the sound guiding channel 1102 communicates the front sound cavity 101 with the outside and forms a front cavity 110 together with the front sound cavity 101, so as to form a side sound generating structure; the lower cover 112, the upper cover 111 and the diaphragm 121 together enclose the rear cavity 102 for improving the low frequency acoustic performance of the loudspeaker enclosure 1.
Preferably, a micro-valve (not shown) may be disposed in the housing 11, and in particular, the housing 11 further includes a micro-valve fixedly mounted on the lower cover 112, and by the arrangement of the micro-valve, the cavity stiffness is effectively reduced, and the driving voltage is reduced and the vibration amplitude of the diaphragm 121 is increased, so as to bring about more air flow throughput.
It is worth mentioning that the structure form of the micro valve is not limited, the micro valve includes any one of an electromagnetic relay valve, a multilayer composite membrane one-way valve and a passive switch valve, and the micro valve can be specifically set according to the actual use requirement.
The heat source 2 is capable of generating heat. Specifically, the heat source 2 is an electronic component mounted on the mobile terminal 200, which can generate a large amount of heat during operation, and as an alternative embodiment, the heat source 2 is any one of a processor and a battery. Of course, without being limited thereto, other heat generating components, such as a screen, a sensor, etc., may be the heat source 2.
The first heat-conducting plate 4 is fixed on one side of the heat-conducting cover plate 13, which is far away from the vibrating diaphragm 121, and the second heat-conducting plate 5 is fixed on the heat source 2.
Both ends of the heat-conducting member 3 are connected to the speaker box 1 and the heat source 2, respectively, to achieve heat conduction.
In the present embodiment, one end of the heat conducting member 3 is fixed to the side of the first heat conducting plate 4 away from the heat conducting cover plate 13, the other end of the heat conducting member 3 is fixed to the side of the second heat conducting plate 5 away from the heat source 2, and the widths of the first heat conducting plate 4 and the second heat conducting plate 5 are both greater than the width of the heat conducting member 3.
Further, the heat-conducting member 3 includes a first end 31, a second end 32, and a connecting portion 33.
The first end 31 serves as a condensation end of the heat conducting member 3 and is attached to the side of the first heat conducting plate 4 away from the vibrating diaphragm 121; the second end 32 is used as a heat absorbing end of the heat conducting member 3, is arranged at an interval with the first end 31, and is attached to one side of the second heat conducting plate 5 away from the heat source 2; the connecting portion 33 connects the first end 31 and the second end 32.
In the above structure, the heat generated by the heat source 2 is conducted to the second end 32 through the second heat conducting plate 5, the second end 32 transmits the heat to the first end 31 through the connecting portion 33, the first end 31 transmits the heat to the front sound cavity 101 through the first heat conducting plate 4 and the heat conducting cover plate 13 in sequence, and the diaphragm 121 vibrates to push the air in the front sound cavity 101 to circulate with the outside through the sound guiding channel 1102. Specifically, when the diaphragm 121 vibrates, the volume of the front acoustic cavity 101 changes: when the volume of the front acoustic cavity 101 becomes smaller, the diaphragm 121 exhausts a part of air in the front acoustic cavity 101 to the outside through the sound guide channel 1102; when the volume of the front acoustic cavity 101 becomes larger, the diaphragm 121 sucks the external space into the front acoustic cavity 101 through the sound guide channel 1102; the above process causes the air in the front acoustic cavity 101 to be convected with the air outside. The vibration of the diaphragm 121 causes the heat in the front acoustic cavity 101 to be dissipated out of the housing 11 along with the circulation of air, thereby achieving the heat dissipation of the heat source 2.
The first heat conduction plate 4 is disposed between the heat conduction member 3 and the heat conduction cover plate 13 to increase the heat dissipation area therebetween so as to improve the heat dissipation efficiency, and the second heat conduction plate 5 is disposed between the heat conduction member 3 and the heat source 2 to increase the heat dissipation area therebetween so as to improve the heat dissipation efficiency, so that the heat dissipation effect of the speaker device 100 is good.
The vibration of the diaphragm 121 may be in a sound mode or a non-sound mode, and both the vibration and the non-sound mode can radiate heat conducted into the front sound cavity 101 to the outside along with air circulation. So that the loudspeaker enclosure 1 can exclusively perform the task of dissipating heat.
Specifically, a pulse signal of a lower frequency is input to the speaker box 1, and low-frequency sound generated in the speaker box 1 is not heard by human ears. In this embodiment, the input lower frequency is below 1000 Hz. In a specific application, the loudspeaker box 1 can play the pulse signal independently when not executing a music playing task; the loudspeaker enclosure 1 may also superimpose the pulse signal into the music signal when performing a music playing task. Because the signal is an ultra-low frequency pulse signal, the signal can not be heard by human ears and the normal listening effect is not influenced.
It should be noted that the structural form of the first heat-conducting plate 4 and the second heat-conducting plate 5 is not limited, and it can be specifically configured according to actual needs.
As an alternative embodiment, the first heat-conducting plate 4 and the second heat-conducting plate 5 are both flat, which effectively ensures the heat-dissipating area between the first heat-conducting plate 4 and the heat-conducting cover plate 13, and between the second heat-conducting plate 5 and the heat source 2.
As a more preferable embodiment, the first heat conduction plate 4 includes a first plate 41 fixed on a side of the heat conduction cover plate 13 far from the diaphragm 121, and a plurality of extending rib walls 42 extending from the first plate 41 to a direction far from the heat conduction cover plate 13, and the heat conduction member 3 is fixed on the first plate 41 and spaced from the extending rib walls 42. Specifically, the first plate 41 is in a flat plate shape, and the shape can ensure the heat dissipation area between the first heat conduction plate 4 and the heat conduction cover plate 13; in addition, the extension rib wall 42 serves as the heat dissipation rib plate of the first heat conduction plate 4, on one hand, the heat dissipation area of the first heat conduction plate 4 is increased, the first heat conduction plate 4 is effectively increased to absorb the heat efficiency of the first end 31, the heat dissipation effect is optimized, on the other hand, the absorbed partial heat of the first plate body 41 can be directly dissipated to the outside of the loudspeaker box 1 through the extension rib wall 42, the heat of the first end 31 is dissipated timely, the heat dissipation effect is optimized, and the reliability of heat dissipation is guaranteed. And the second heat-conducting plate 5 is in the shape of a flat plate, and this structure ensures a heat-radiating area between the second heat-conducting plate 5 and the heat source 2.
Of course, the first heat conduction plate 4 and the second heat conduction plate 5 may be provided with a structure having heat dissipation ribs, which is beneficial to optimize the heat dissipation effect of the heat source 2.
It should be noted that the structural form of the heat conducting member 3 is not limited, and it may be a hollow integrally formed structure, and the interior of the heat conducting member 3 is filled with a heat conducting medium; the heat-conducting medium can be heat-conducting silicone grease with good heat-conducting property or cooling liquid; in a preferred embodiment, the heat-conducting medium is a volatile cooling liquid, such as water, the second end 32 absorbs the heat of the heat source 2 to vaporize the heat-conducting medium, the vaporized heat-conducting medium is transmitted to the first end 31 along the hollow connecting portion 33, the first end 31 absorbs the heat of the vaporized heat-conducting medium, so that the heat-conducting medium releases heat and is liquefied, the liquefied heat-conducting medium flows back to the second end 32 through the connecting portion 33, and so on, and a circulating heat dissipation cycle is formed inside the heat-conducting member 3.
Of course, it is also possible that the heat conducting member 3 is a solid integrally formed structure, in this case, the heat conducting member 3 is made of a heat conducting material, such as heat conducting silicone grease or metal with good heat conducting performance, and directly absorbs heat through the second end 32 and conducts the heat to the first end 31 through the connecting portion 33.
Further, the heat conducting cover 13 at least partially falls on the diaphragm 121 in the forward projection of the diaphragm 121 to the diaphragm 121 along the vibration direction of the diaphragm 121. That is to say, the structure makes the heat conducting cover plate 13 face or partially face the diaphragm 121, and the structure makes the portion of the heat conducting cover plate 13 corresponding to the diaphragm 121 in the high-speed airflow, and pushes the air to flow under the vibration of the diaphragm 121, so as to push the air flow near the heat conducting cover plate 13 in the front acoustic cavity 101 in time, thereby effectively taking away the heat conducted to the front acoustic cavity 101 by the first end 31 sequentially passing through the first heat conducting plate 4 and the heat conducting cover plate 13 with the air, and achieving the air cooling effect by utilizing the air circulation generated by the vibration of the diaphragm 121, so that the heat dissipation effect of the speaker device 100 is better.
Preferably, the orthographic projection of the first heat-conducting plate 4 to the heat-conducting cover plate 13 along the vibration direction of the vibrating diaphragm 121 completely falls on the heat-conducting cover plate 13, so as to ensure the heat dissipation area between the first heat-conducting plate 4 and the heat-conducting cover plate 13, thereby ensuring the reliability of heat dissipation.
Preferably, the first heat conducting plate 4 and the second heat conducting plate 5 are made of a metal material with good heat conducting performance, and both can be, but not limited to, any one of a steel sheet and a copper sheet, so that the heat conducting performance of the first heat conducting plate 4 is good, the efficiency of heat conduction between the first end 31 and the heat conducting cover plate 13 is ensured, the heat conducting performance of the second heat conducting plate 5 is good, the efficiency of heat conduction between the second end 32 and the heat source 2 is ensured, and the heat dissipation performance of the speaker device 100 is further optimized.
Mobile terminal 200 includes that shell 6, lid locate shell 6 and with shell 6 encloses into second accommodating space 60's screen 7 jointly and speaker device 100.
In this embodiment, the speaker device 100 is installed in the second accommodating space 30, the housing 6 is provided with a sound outlet 61 penetrating through the housing, and the sound outlet 61 is in air communication with the sound guide channel 1102 to communicate the front sound cavity 101 with the outside, so as to form a side heat dissipation structure of the mobile terminal 200.
In the above structure, under the vibration effect of the diaphragm 121, the heat dissipated from the front acoustic cavity 101 by the first end 31 sequentially passes through the sound guide channel 1102 and the sound outlet 61 along with the air circulation and is dissipated to the outside, so that the heat is prevented from accumulating inside the mobile terminal 200, and the heat dissipation effect of the mobile terminal 200 is effectively improved.
Compared with the prior art, in the loudspeaker device of the utility model, the widths of the first heat conducting plate and the second heat conducting plate are both larger than the width of the heat conducting piece, one end of the heat conducting piece is fixed on one side of the first heat conducting plate away from the heat conducting cover plate, the other end of the heat conducting piece is fixed on one side of the second heat conducting plate away from the heat source, the heat source conducts the heat to the heat conducting piece through the second heat conducting plate, the heat conducting piece transmits the heat and conducts the heat to the front sound cavity through the first heat conducting plate and the heat conducting cover plate in sequence, and finally the heat in the front sound cavity is promoted to be dissipated out of the shell through vibration of the vibrating diaphragm, thereby realizing the heat dissipation of the heat source, in the structure, the heat dissipation area between the heat conducting piece and the heat conducting cover plate is increased through the mode of arranging the first heat conducting plate between the heat conducting piece and the heat conducting, thereby making the heat dissipation effect of the speaker device good. The utility model discloses a mobile terminal includes the shell, the lid is located the shell and encloses into the screen of second accommodating space jointly with the shell and the utility model discloses a speaker device, speaker device install in second accommodating space, the shell be equipped with run through on it and with the sound outlet of leading sound passageway intercommunication, sound cavity and external intercommunication before the sound outlet will to give off the heat of first end heat dissipation in preceding sound intracavity to the external world along with the circulation of air, thereby avoided the heat to accumulate inside mobile terminal, make mobile terminal's radiating effect good effectively.
The above embodiments of the present invention are only described, 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 (12)

1. A loudspeaker device comprises a loudspeaker box for producing sound, a heat source spaced from the loudspeaker box and a heat conducting piece, wherein two ends of the heat conducting piece are respectively connected with the loudspeaker box and the heat source; the sound-producing unit comprises a vibrating diaphragm for vibrating and producing sound, the vibrating diaphragm divides the first accommodating space into a front sound cavity and a rear cavity, the shell is provided with a through hole penetrating through the shell, and the heat-conducting cover plate is covered on the through hole and encloses the front sound cavity together with the vibrating diaphragm and the shell; the loudspeaker device is characterized by further comprising a first heat conducting plate and a second heat conducting plate, wherein the first heat conducting plate is fixed on one side, away from the vibrating diaphragm, of the heat conducting cover plate, the second heat conducting plate is fixed on the heat source, the widths of the first heat conducting plate and the second heat conducting plate are larger than the width of the heat conducting piece, one end of the heat conducting piece is fixed on one side, away from the heat conducting cover plate, of the first heat conducting plate, and the other end of the heat conducting piece is fixed on one side, away from the heat source, of the second heat conducting plate.
2. The speaker device of claim 1 wherein said first thermally conductive plate and said second thermally conductive plate are each flat.
3. The speaker device as claimed in claim 1, wherein the first heat conducting plate includes a first plate fixed to a side of the heat conducting cover plate away from the diaphragm, and a plurality of extending rib walls extending from the first plate in a direction away from the heat conducting cover plate, and the heat conducting member is fixed to the first plate and spaced apart from the extending rib walls.
4. A loudspeaker device according to any one of claims 1-3, wherein the heat-conducting cover plate at least partly rests on the diaphragm in an orthographic projection of the diaphragm in the direction of vibration of the diaphragm.
5. The speaker device as claimed in claim 4, wherein an orthographic projection of the first heat conduction plate to the heat conduction cover plate along the vibration direction of the diaphragm falls entirely on the heat conduction cover plate.
6. The speaker device of claim 1, wherein the first and second thermally conductive plates are each any one of a steel sheet and a copper sheet.
7. The speaker device of claim 1, wherein the thermally conductive member includes a first end secured to a side of the first thermally conductive plate remote from the thermally conductive cover plate, a second end spaced from the first end and secured to a side of the second thermally conductive plate remote from the heat source, and a connecting portion connecting the first end and the second end.
8. The speaker device of claim 7, wherein the heat conducting member is a hollow integrally formed structure, and an interior of the heat conducting member is filled with a heat conducting medium.
9. The speaker device according to claim 1, wherein the housing includes an upper cover and a lower cover covering the upper cover and forming the first receiving space together; the through hole penetrates through the upper cover, and the sound guide channel is formed in the upper cover; the heat-conducting cover plate, the vibrating diaphragm and the upper cover jointly enclose the front sound cavity, and the lower cover, the upper cover and the vibrating diaphragm jointly enclose the rear cavity.
10. The speaker device of claim 9, wherein the housing further comprises a micro-valve fixedly mounted to the bottom cover.
11. The speaker device of claim 10, wherein the micro valve comprises any one of an electromagnetic relay valve, a multilayer composite membrane one-way valve, and a passive switch valve.
12. A mobile terminal comprising a housing and a screen covering the housing and enclosing a second receiving space together with the housing, wherein the mobile terminal further comprises a speaker device according to any one of claims 1-11, the speaker device being mounted in the second receiving space; the shell is provided with a sound outlet penetrating through the shell, and the sound outlet is communicated with the front sound cavity through the sound guide channel so as to dissipate heat conducted from the heat source to the front sound cavity through the heat conducting piece to the outside of the shell.
CN201921730615.4U 2019-10-15 2019-10-15 Speaker device and mobile terminal Expired - Fee Related CN210781309U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921730615.4U CN210781309U (en) 2019-10-15 2019-10-15 Speaker device and mobile terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921730615.4U CN210781309U (en) 2019-10-15 2019-10-15 Speaker device and mobile terminal

Publications (1)

Publication Number Publication Date
CN210781309U true CN210781309U (en) 2020-06-16

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CN201921730615.4U Expired - Fee Related CN210781309U (en) 2019-10-15 2019-10-15 Speaker device and mobile terminal

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113075981A (en) * 2021-03-29 2021-07-06 联想(北京)有限公司 Electronic equipment
CN113597222A (en) * 2021-08-09 2021-11-02 北京小米移动软件有限公司 Display device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113075981A (en) * 2021-03-29 2021-07-06 联想(北京)有限公司 Electronic equipment
CN113597222A (en) * 2021-08-09 2021-11-02 北京小米移动软件有限公司 Display device

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Granted publication date: 20200616