CN216134743U - Mobile terminal - Google Patents

Mobile terminal Download PDF

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Publication number
CN216134743U
CN216134743U CN202021206689.0U CN202021206689U CN216134743U CN 216134743 U CN216134743 U CN 216134743U CN 202021206689 U CN202021206689 U CN 202021206689U CN 216134743 U CN216134743 U CN 216134743U
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CN
China
Prior art keywords
heat
mobile terminal
fins
air outlet
fan
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202021206689.0U
Other languages
Chinese (zh)
Inventor
陈吉
黄雷
秦鹏
徐莎莎
曾小伟
方文兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AAC Technologies Holdings Nanjing Co Ltd
Original Assignee
AAC Technologies Holdings Nanjing Co Ltd
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Filing date
Publication date
Application filed by AAC Technologies Holdings Nanjing Co Ltd filed Critical AAC Technologies Holdings Nanjing Co Ltd
Priority to CN202021206689.0U priority Critical patent/CN216134743U/en
Priority to PCT/CN2020/116279 priority patent/WO2021258567A1/en
Application granted granted Critical
Publication of CN216134743U publication Critical patent/CN216134743U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The utility model provides a mobile terminal, which comprises a shell with an accommodating space, a heat source and a heat conducting piece, wherein the heat source and the heat conducting piece are accommodated in the accommodating space; the shell is provided with an air inlet and an air outlet which penetrate through the shell and are respectively communicated with the accommodating part, the fins are arranged between the air outlet and the accommodating part at intervals, and the accommodating part is communicated with the air outlet through gaps between adjacent fins; the fan blade rotates to drive the external air of the shell to enter the accommodating part through the air inlet and blow out towards the air outlet. Compared with the related art, the mobile terminal has the advantages of low cost and better heat dissipation effect.

Description

Mobile terminal
[ technical field ] A method for producing a semiconductor device
The utility model relates to the technical field of communication, in particular to a mobile terminal.
[ background of the utility model ]
With the development of communication technology, the functions of mobile terminals, especially smart phones, are increasing. A problem often faced by smartphones due to the operation of various programs is heat dissipation.
A heat dissipation structure of a mobile terminal in related art generally includes a screen, a housing enclosing an accommodation space with the screen, and a heat source and a heat conducting member accommodated in the accommodation space; the heat conducting piece is filled with partial liquid, the heat conducting piece comprises a contact end fixed with the heat source and a condensation end extending from the contact end to the direction far away from the contact end, the heat source generated by the heat source enables the liquid in the heat conducting piece to be gasified through the contact end and then reach the condensation end, the liquid returns to the contact end through the capillary action after the condensation end is condensed and cooled, the circulation can be used for quickly dissipating heat, and the heat dissipation is generally called as water cooling heat dissipation or liquid cooling heat dissipation. The mobile terminal heat dissipation structure in the related art can be further provided with a screen, a shell, a heat source and a heat dissipation sheet, wherein the shell and the screen form an accommodating space, the heat source is accommodated in the accommodating space, the heat dissipation sheet is made of graphite materials and is clamped between the heat source and the shell, and the heat dissipation sheet can quickly diffuse local heat to the shell, so that the heat of the heat source can be effectively reduced.
However, when the power of a heat source (such as a CPU) is high, the related art mobile terminal derives more heat, and the heat cannot be taken away quickly by the outside air, so that the whole mobile phone generates heat, and the use experience is affected; and the heat conducting piece and the radiating fin both have limit radiating power, and when the heating power of the heat source exceeds the limit radiating power, the heat conducting piece and the radiating fin are in failure and cannot rapidly lead out heat, so that the local heating of the mobile phone is serious.
Therefore, there is a need to provide a new mobile terminal to solve the above technical problems.
[ summary of the utility model ]
The utility model aims to provide a mobile terminal with low cost and better heat dissipation effect.
In order to achieve the above object, the present invention provides a mobile terminal, which includes a housing having an accommodating space, a heat source and a heat conducting member accommodated in the accommodating space, wherein the heat conducting member includes a contact end connected to the heat source and a condensation end extending from the contact end toward a direction away from the contact end, the mobile terminal further includes a fan and a fin respectively installed in the accommodating space, the fan is connected to the condensation end and includes a surrounding wall fixed to the housing and enclosing the housing to form an accommodating portion, and a fan blade accommodated in the accommodating portion, an opening communicated with the accommodating portion is formed on one side of the surrounding wall close to the condensation end, and the condensation end is covered on the opening; the shell is provided with an air inlet and an air outlet which penetrate through the shell and are respectively communicated with the accommodating part, the fins are arranged between the air outlet and the accommodating part at intervals, and the accommodating part is communicated with the air outlet through gaps between adjacent fins; the fan blades rotate to drive the external air of the shell to enter the accommodating part through the air inlet and blow out towards the air outlet.
Preferably, the housing includes an annular frame, and a top wall and a bottom wall that are located on two sides of the frame and are disposed opposite to each other, the top wall, the frame, and the bottom wall enclose the accommodating space, the heat conducting member, the fan, and the fins are all fixed to the bottom wall, the heat conducting member is located between the heat source and the top wall, and the air inlet and the air outlet are both opened in the frame.
Preferably, the fins are sheet-shaped and perpendicular to the bottom wall, and the plurality of fin arrays are arranged between the fan blades and the frame.
Preferably, the heat conducting member includes a top surface and a bottom surface which are oppositely arranged, the top surface is attached to the top wall, the heat source is clamped between the bottom surface and the bottom wall, and the fins and the fan are located between the bottom surface and the bottom wall.
Preferably, the mobile terminal further includes a heat sink interposed between the heat conducting member and the top wall, and the heat conducting member is fixed to the housing through the heat sink.
Preferably, the heat sink is a graphite sheet.
Preferably, the mobile terminal further includes a heat transfer element sandwiched between the heat transfer element and the surrounding wall, the heat transfer element is attached to the heat transfer element, and the fan and the fins are both fixed between the heat transfer element and the bottom wall.
Preferably, the heat transfer element is a copper sheet.
Preferably, the mobile terminal further comprises a heat dissipation silica gel attached to one side of the heat source close to the heat conducting member.
Preferably, the top wall is a cover plate, the bottom wall is a screen, and the air inlet and the air outlet are respectively arranged at two adjacent sides of the frame.
Compared with the prior art, the mobile terminal comprises the fan and the fins which are respectively arranged in the accommodating space, the fan is connected with the condensation end and comprises a surrounding wall which is fixed on the shell and forms an accommodating part with the shell and fan blades accommodated in the accommodating part, an opening communicated with the accommodating part is formed on one side of the surrounding wall close to the condensation end, and the condensation end cover is arranged on the opening; the shell is provided with an air inlet and an air outlet which penetrate through the shell and are respectively communicated with the accommodating part, the fins are arranged between the air outlet and the accommodating part at intervals, and the accommodating part is communicated with the air outlet through gaps between adjacent fins; the fan blades rotate to drive the external air of the shell to enter the accommodating part through the air inlet and blow out towards the air outlet. Namely, the heat generated by the heat source is transferred to the condensation end through the contact end, and the condensation end dissipates the heat; when the heat source works at high power and the heat dissipation efficiency of the condensation end is not enough to dissipate heat timely, the condensation end transfers heat which is not dissipated timely to the fan, external cold air enters the mobile terminal through the air inlet and then is transferred to the accommodating part, so that the fan blades start to operate, the fan blades drive external air to transfer heat to the fins through operation, and the fins transfer the heat to the outside through the air outlet so as to achieve the purpose of dissipating heat. Namely, the fan and the fins are arranged to carry out forced convection heat dissipation on part of heat at the condensation end, so that the heat dissipation efficiency is higher; the heat generated by the heat source is mainly led out by driving external gas through the operation of the fan blades, so that the whole mobile terminal is prevented from generating heat integrally; the fins and the fan rapidly guide out heat generated by the heat source, and limit heat dissipation power is improved, namely the heat source can stably run under higher power.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
fig. 1 is a schematic structural diagram of a mobile terminal according to the present invention;
FIG. 2 is an exploded view of the mobile terminal of the present invention;
FIG. 3 is a cross-sectional view of a mobile terminal of the present invention;
FIG. 4 is a partial cross-sectional view of a mobile terminal of the present invention;
FIG. 5 is an enlarged view of B in FIG. 4;
fig. 6 is an enlarged view of the fan and fins of the present invention.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a mobile terminal 100, which includes a housing 30 having an accommodating space 10, a heat source 3 accommodated in the accommodating space 10, a heat conducting member 4, a fan 5, fins 6, a heat sink 7, a heat conducting member 8, a heat dissipating silica gel 9, and a circuit board 11.
The housing 30 includes an annular frame 22, and a top wall 21 and a bottom wall 1 which are respectively located at two sides of the frame 22 and are oppositely disposed, and the top wall 21, the frame 22 and the bottom wall 1 enclose the accommodating space 10; specifically, the top wall 21 is a cover plate, and the bottom wall 1 is a screen. Of course, the housing 30 is not limited thereto, and may have other structures. The housing 30 includes an air inlet 201 and an air outlet 202 penetrating therethrough, in this embodiment, the air inlet 201 and the air outlet 202 are respectively disposed on two adjacent sides of the frame 22, and may also be disposed on two opposite sides thereof.
In this embodiment, the heat source 3 is a Central Processing Unit (CPU), but the heat source 3 may also be other heat-generating components, such as a receiver.
The heat conducting member 4 includes a contact end 41 connected to the heat source 3 and a condensation end 42 extending from the contact end 41 in a direction away from the contact end 41. Specifically, the heat conducting member 4 includes a top surface 4b and a bottom surface 4a, which are oppositely disposed, the top surface 4b is attached to the top wall 21, of course, the top surface 4b may also be attached to the frame 22, and the heat source 3 is interposed between the bottom surface 4a and the bottom wall 1. It should be understood that reference to "sandwiched" in the present disclosure means between the two components and is not limited to direct contact with the two components.
The heat conducting member 4 is fixed on the bottom wall 1 and located between the heat source 3 and the top wall 21, and is generally a cavity structure made of copper, and liquid is filled in the cavity structure. The heat source 3 generates heat when working, the heat is transferred to the inside of the heat conducting member 4 through the contact end 41, so that the liquid in the inside is gasified, the gas is transferred to the condensation end 42 and then condensed and cooled to form liquid, and the liquid returns to the contact end 41 through the capillary action, so that the purpose of heat dissipation is achieved by circulation; meanwhile, as the top surface 4b is attached to the top wall 21, part of heat can be transferred to the top wall 21 through the top surface 4b and then transferred to the outside, and the temperature can be rapidly reduced.
Fan 5 and fin 6 install respectively in accommodating space 10, fan 5 connect in condensation end 42, it is specific, fan 5 and fin 6 all are fixed in diapire 1, fan 5 are located bottom surface 4a with between the diapire 1, it is specific, fan 5 including be fixed in casing 30 and with casing 30 enclose into the rampart 52 of holding portion 50 and accept in the flabellum 51 of holding portion 50, rampart 52 is close to one side of condensation end 42 be formed with the opening 510 of holding portion 50 intercommunication, condensation end 42 lid is located opening 510, air intake 201 with air outlet 202 communicates with holding portion 50 respectively. The condensation end 42 is covered on the opening 510, the condensation end 42 may be fixed to the surrounding wall 52 to cover the opening 510, or the condensation end 42 may be indirectly covered by the heat transfer element 8 interposed between the heat conductive element 4 and the surrounding wall 52 as shown in the figure. The fins 6 are arranged between the air outlet 202 and the accommodating part 50 at intervals, the fins 6 are sheet-shaped and perpendicular to the bottom wall 1, and the fins 6 are arranged between the fan blades 51 and the frame 22 in an array; the accommodating part 50 is communicated with the air outlet 202 through a gap 60 between adjacent fins 6; the fan 51 rotates to drive the external air of the housing 30 to enter the accommodating portion 50 through the air inlet 201 and blow out toward the air outlet 202.
The heat generated by the heat source 3 is transferred to the condensation end 42 through the contact end 41, and the condensation end 41 dissipates the heat; when the heat source 3 operates at a high power and the heat dissipation efficiency of the condensation end 42 is not sufficient to dissipate heat in time, the condensation end 42 transfers heat that is not dissipated in time to the fan 5, as shown by the arrow in fig. 5, external cold air enters the mobile terminal 100 through the air inlet 201 and then is transferred to the accommodating portion 50, so that the fan blade 51 starts to operate, the fan blade 51 drives external air to transfer heat to the fins 6 through operation, and the fins 6 transfer the heat to the outside through the air outlet 202 to achieve the purpose of dissipating heat. Namely, the fan 5 and the fins 6 are arranged to perform forced convection heat dissipation on part of the heat at the condensation end 42, so that the heat dissipation efficiency is higher, and the cost is less increased.
In this embodiment, the orthographic projection of the heat source 3 and the fan 5 on the bottom surface 4a at least partially falls into the bottom surface 4 a. The heat source 3 correspondingly covers at least part of the contact end 41, so that the heat generated by the heat source 3 can be rapidly transferred to the contact end 41; the fan 5 correspondingly covers at least part of the condensation end 42, so that heat of the condensation end 42 can be rapidly transferred to the fan 5, and the heat dissipation effect is better.
The heat sink 7 is interposed between the heat conductor 4 and the top wall 21, and the heat conductor 4 is fixed to the case 30 through the heat sink 7. Preferably, the heat sink 7 is a graphite sheet. That is, the heat sink 7 made of graphite material can quickly transfer the heat of the heat conductive member 4 to the bottom plate 21 through the top surface 4b and then to the outside, and the heat dissipation effect is improved.
In this embodiment, the heat conducting member 8 is sandwiched between the heat conducting member 4 and the surrounding wall 52, and both the fan 5 and the fins 6 are fixed between the heat conducting member 8 and the bottom wall 1. The heat transfer member 8 is attached to the heat conduction member 4, the heat conduction effect of the heat transfer member 8 is good, and the heat of the condensation end 42 can be rapidly transferred to the fan 5, so that the heat dissipation power is higher, and other materials with good heat conduction effects can be used. Preferably, the heat transfer element 8 is a copper sheet, so that the heat transfer efficiency is better.
In this embodiment, the mobile terminal 100 further includes a heat dissipation silicone 9 attached to one side of the heat source 3 close to the heat conducting member 4, that is, the heat dissipation silicone 9 quickly transfers the heat of the heat source 3 to the contact end 41 of the heat conducting member 4, so that the heat dissipation effect is better, and meanwhile, the heat dissipation silicone 9 is made of a silicone grease material and can play a role of buffering to protect the heat source 3.
The circuit board 11 is fixedly clamped between the heat source 3 and the screen 1, and the circuit board 11 is electrically connected with the heat source 3 and provides an electric signal.
Compared with the prior art, the mobile terminal comprises the fan and the fins which are respectively arranged in the accommodating space, the fan is connected with the condensation end and comprises a surrounding wall which is fixed on the shell and forms an accommodating part with the shell and fan blades accommodated in the accommodating part, an opening communicated with the accommodating part is formed on one side of the surrounding wall close to the condensation end, and the condensation end cover is arranged on the opening; the shell is provided with an air inlet and an air outlet which penetrate through the shell and are respectively communicated with the accommodating part, the fins are arranged between the air outlet and the accommodating part at intervals, and the accommodating part is communicated with the air outlet through gaps between adjacent fins; the fan blades rotate to drive the external air of the shell to enter the accommodating part through the air inlet and blow out towards the air outlet. Namely, the heat generated by the heat source is transferred to the condensation end through the contact end, and the condensation end dissipates the heat; when the heat source works at high power and the heat dissipation efficiency of the condensation end is not enough to dissipate heat timely, the condensation end transfers heat which is not dissipated timely to the fan, external cold air enters the mobile terminal through the air inlet and then is transferred to the accommodating part, so that the fan blades start to operate, the fan blades drive external air to transfer heat to the fins through operation, and the fins transfer the heat to the outside through the air outlet so as to achieve the purpose of dissipating heat. Namely, the fan and the fins are arranged to carry out forced convection heat dissipation on part of heat at the condensation end, so that the heat dissipation efficiency is higher; the heat generated by the heat source is mainly led out by driving external gas through the operation of the fan blades, so that the whole mobile terminal is prevented from generating heat integrally; the fins and the fan rapidly guide out heat generated by the heat source, and limit heat dissipation power is improved, namely the heat source can stably run under higher power.
While the foregoing is directed to embodiments of the present invention, it will be understood by those skilled in the art that various changes may be made without departing from the spirit and scope of the utility model.

Claims (10)

1. A mobile terminal comprises a shell with an accommodating space, a heat source and a heat conducting piece, wherein the heat conducting piece is accommodated in the accommodating space and comprises a contact end connected with the heat source and a condensation end extending from the contact end to a direction far away from the contact end; the shell is provided with an air inlet and an air outlet which penetrate through the shell and are respectively communicated with the accommodating part, the fins are arranged between the air outlet and the accommodating part at intervals, and the accommodating part is communicated with the air outlet through gaps between adjacent fins; the fan blades rotate to drive the external air of the shell to enter the accommodating part through the air inlet and blow out towards the air outlet.
2. The mobile terminal of claim 1, wherein the housing comprises a circular frame, and a top wall and a bottom wall respectively located at two sides of the frame and opposite to each other, the top wall, the frame, and the bottom wall enclose the receiving space, the heat conducting member, the fan, and the fins are all fixed to the bottom wall, the heat conducting member is located between the heat source and the top wall, and the air inlet and the air outlet are both opened in the frame.
3. The mobile terminal of claim 2, wherein the fins are sheet-shaped and perpendicular to the bottom wall, and a plurality of the fin arrays are arranged between the fan blades and the frame.
4. The mobile terminal of claim 2, wherein the heat conducting member comprises a top surface and a bottom surface opposite to each other, the top surface is attached to the top wall, the heat source is sandwiched between the bottom surface and the bottom wall, and the fins and the fan are sandwiched between the bottom surface and the bottom wall.
5. The mobile terminal of claim 2, further comprising a heat sink interposed between the thermal conductor and the top wall, the thermal conductor being secured to the housing by the heat sink.
6. The mobile terminal of claim 5, wherein the heat sink is a graphite sheet.
7. The mobile terminal of claim 2, further comprising a heat transfer element sandwiched between the heat conducting element and the surrounding wall, wherein the heat transfer element is attached to the heat conducting element, and the fan and the fins are fixed between the heat transfer element and the bottom wall.
8. The mobile terminal of claim 7, wherein the heat transfer element is a copper sheet.
9. The mobile terminal of claim 7, further comprising a heat-dissipating silicone attached to a side of the heat source adjacent to the heat-conducting member.
10. The mobile terminal of claim 2, wherein the top wall is a cover plate, the bottom wall is a screen, and the air inlet and the air outlet are respectively disposed at two adjacent sides of the frame.
CN202021206689.0U 2020-06-24 2020-06-24 Mobile terminal Expired - Fee Related CN216134743U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202021206689.0U CN216134743U (en) 2020-06-24 2020-06-24 Mobile terminal
PCT/CN2020/116279 WO2021258567A1 (en) 2020-06-24 2020-09-18 Mobile terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021206689.0U CN216134743U (en) 2020-06-24 2020-06-24 Mobile terminal

Publications (1)

Publication Number Publication Date
CN216134743U true CN216134743U (en) 2022-03-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021206689.0U Expired - Fee Related CN216134743U (en) 2020-06-24 2020-06-24 Mobile terminal

Country Status (2)

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CN (1) CN216134743U (en)
WO (1) WO2021258567A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN120129200A (en) * 2023-12-08 2025-06-10 华为技术有限公司 Terminal equipment

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101308398B (en) * 2008-06-30 2012-08-22 中山大学 Radiation system for calculation processing arrangements and equipment adopting the heat radiation system
CN107347242B (en) * 2016-05-05 2019-08-20 华为技术有限公司 A cooling device and communication equipment
CN108491050A (en) * 2018-01-22 2018-09-04 安徽数驰机电设备制造有限公司 A kind of smart mobile phone radiator
CN108289402B (en) * 2018-01-30 2019-09-03 重庆市长寿区臻波通讯设备有限公司 Heat dissipation structure of communication terminal
CN110325012A (en) * 2018-03-28 2019-10-11 努比亚技术有限公司 Mobile terminal and its radiating subassembly
CN108882636B (en) * 2018-06-29 2021-06-15 联想长风科技(北京)有限公司 Electronic equipment

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WO2021258567A1 (en) 2021-12-30

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Granted publication date: 20220325

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