WO2021258567A1 - 移动终端 - Google Patents
移动终端 Download PDFInfo
- Publication number
- WO2021258567A1 WO2021258567A1 PCT/CN2020/116279 CN2020116279W WO2021258567A1 WO 2021258567 A1 WO2021258567 A1 WO 2021258567A1 CN 2020116279 W CN2020116279 W CN 2020116279W WO 2021258567 A1 WO2021258567 A1 WO 2021258567A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- heat
- mobile terminal
- fan
- fins
- housing
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
Definitions
- the utility model relates to the field of communication technology, in particular to a mobile terminal.
- the heat dissipation structure of a mobile terminal in the related art generally includes a screen and a housing enclosing a receiving space with the screen, a heat source and a heat conducting element contained in the receiving space; the heat conducting element is filled with a part of liquid, which includes The fixed contact end of the heat source and the condensing end extending from the contact end to the direction away from the contact end.
- the heat source generated by the heat source vaporizes the liquid in the heat conducting element through the contact end and then reaches the condensing end, where it condenses and cools down and passes through The capillary action returns to the contact end, so that the circulation can quickly dissipate heat.
- the heat dissipation structure of the mobile terminal of the related art can also be configured as a screen and a housing enclosing an accommodation space with the screen, a heat source accommodated in the accommodation space, and a heat sink made of graphite material, and the heat sink is sandwiched between Between the heat source and the housing, the heat sink can quickly diffuse local heat to the housing, which can effectively reduce the heat of the heat source.
- the heat conduction element and the heat sink have both Limit heat dissipation power.
- the heating power of the heat source exceeds its limit heat dissipation power, the heat-conducting element and the heat sink will face failure and cannot quickly dissipate the heat, resulting in serious local heating of the mobile phone.
- the purpose of the utility model is to provide a mobile terminal with low cost and better heat dissipation effect.
- the present invention provides a mobile terminal, which includes a housing with a receiving space, a heat source received in the receiving space, and a heat conducting element, the heat conducting element including a contact end connected to the heat source and A condensation end extending from the contact end in a direction away from the contact end, the mobile terminal further includes a fan and fins respectively installed in the accommodating space, the fan is connected to the condensation end and includes The casing and the casing form a surrounding wall of a receiving portion and a fan blade received in the receiving portion, and an opening communicating with the receiving portion is formed on a side of the surrounding wall close to the condensation end, The condensing end cover is provided at the opening; the housing is provided with an air inlet and an air outlet penetrating through it and communicating with the receiving portion, and the fins are arranged at intervals between the air outlet and the air outlet. Between the receiving portions, and the receiving portion communicates with the air outlet through the gap between the adjacent fins; the rotation of the fan blade drives the external air of the casing
- the housing includes a ring-shaped frame, and a top wall and a bottom wall respectively located on two sides of the frame and oppositely disposed, the top wall, the frame, and the bottom wall enclose the receiving space ,
- the heat-conducting element, the fan, and the fins are all fixed to the bottom wall, the heat-conducting element is located between the heat source and the top wall, and the air inlet and the air outlet are both opened in The frame.
- 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.
- the heat conducting member includes a top surface and a bottom surface that are opposed 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, the fins and The fan is located between the bottom surface and the bottom wall.
- the mobile terminal further includes a heat sink sandwiched between the heat conducting member and the top wall, and the heat conducting member is fixed to the housing through the heat sink.
- the heat sink is a graphite sheet.
- the mobile terminal further includes a heat transfer element sandwiched between the heat conduction element and the surrounding wall, the heat transfer element is attached to the heat conduction element, and the fan and the fins are both Fixed between the heat transfer element and the bottom wall.
- the heat transfer element is a copper sheet.
- the mobile terminal further includes heat-dissipating silica gel attached to a side of the heat source close to the heat-conducting member.
- the top wall is a cover plate
- the bottom wall is a screen
- the air inlet and the air outlet are respectively opened on adjacent two sides of the frame.
- the mobile terminal of the present invention includes a fan and fins respectively installed in the accommodating space.
- the fan is connected to the condensing end and includes a housing fixed to the housing and enclosed with the housing to accommodate
- the surrounding wall of the accommodating part and the fan blades accommodated in the accommodating part, the side of the surrounding wall near the condensation end is formed with an opening communicating with the accommodating part, and the condensation end cover is provided at the opening;
- the accommodating part communicates with an air inlet and an air outlet, the fins are arranged at intervals between the air outlet and the accommodating part, and the accommodating part is connected to the outlet through the gap between the adjacent fins.
- the air outlet is connected; the rotation of the fan blade drives the external air of the casing to enter the receiving part through the air inlet and blow out toward the air outlet. That is, the heat generated by the heat source is transferred to the condensing end through the contact end, and the condensing end dissipates the heat; when the heat source is working at high power, the heat dissipation efficiency of the condensing end is insufficient and the heat is dissipated in a timely manner, the condensing end will not be dissipated.
- the heat dissipated in time is transferred to the fan, and the cold air from the outside enters the interior of the mobile terminal through the air inlet and then is transferred to the accommodating part so that the fan blade starts to work.
- the fins transfer the heat to the outside through the air outlet to achieve the purpose of heat dissipation. That is, a fan and fins are provided to force part of the heat at the condenser end to dissipate heat by forced convection, and the heat dissipation efficiency is higher; and the heat generated by the heat source is mainly exported through the operation of the fan blades to drive the external air, which prevents the entire mobile terminal from heating as a whole; the fins The fin and the fan quickly dissipate the heat generated by the heat source, which improves the limit heat dissipation power, that is, the heat source can operate stably at a higher power.
- Figure 1 is a schematic diagram of the structure of the mobile terminal of the present invention.
- Figure 2 is an exploded schematic diagram of the mobile terminal of the present invention
- Figure 3 is a cross-sectional view of the mobile terminal of the present invention.
- Figure 4 is a partial cross-sectional view of the mobile terminal of the present invention.
- Fig. 5 is an enlarged schematic diagram of B in Fig. 4;
- Figure 6 is an enlarged schematic diagram of the fan and fins of the present invention.
- the present invention provides a mobile terminal 100, which includes a housing 30 having a receiving space 10, a heat source 3 received in the receiving space 10, a heat conducting element 4, a fan 5, and fins. 6. Heat sink 7, heat transfer element 8, heat dissipation silica gel 9, and circuit board 11.
- the housing 30 includes a ring-shaped frame 22, and a top wall 21 and a bottom wall 1 respectively located on two sides of the frame 22 and oppositely disposed.
- the top wall 21, the frame 22 and the bottom wall 1 are enclosed
- the receiving space 10 is formed; specifically, the top wall 21 is a cover plate, and the bottom wall 1 is a screen.
- the housing 30 is not limited to this, and may also have other structures.
- the housing 30 includes an air inlet 201 and an air outlet 202 passing through it. In this embodiment, the air inlet 201 and the air outlet 202 are respectively opened on the adjacent two sides of the frame 22, of course, they can also be opened on Its opposite sides.
- the heat source 3 is a central processing unit (Central Processing Unit, CPU).
- CPU Central Processing Unit
- the heat source 3 may also be other heat-generating components, such as a receiver.
- the heat conducting element 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.
- the heat conducting member 4 includes a top surface 4b and a bottom surface 4a that are opposed to each other.
- the top surface 4b is attached to the top wall 21.
- the top surface 4b can also be attached to the frame 22.
- the heat source 3 is sandwiched between the bottom surface 4 a and the bottom wall 1. It should be understood that the "clamping" mentioned in the present invention means that it is located between two components, and is not limited to direct contact with the two components.
- the heat-conducting element 4 is fixed on the bottom wall 1 and located between the heat source 3 and the top wall 21, and it is generally a cavity structure made of copper, and its interior is filled with liquid.
- the heat source 3 generates heat when it works, and the heat is transferred to the inside of the heat conducting member 4 through the contact end 41, so that the liquid inside is vaporized, the gas is transferred to the condensation end 42 and then condenses and cools to form a liquid, and the liquid returns to the contact end by capillary action 41.
- This cycle achieves the purpose of heat dissipation; at the same time, because the top surface 4b is attached to the top wall 21, part of the heat can also be transferred to the top wall 21 through the top surface 4b and then to the outside, which can quickly cool down.
- the fan 5 and the fin 6 are respectively installed in the accommodating space 10, and the fan 5 is connected to the condensing end 42, specifically, the fan 5 and the fin 6 are both fixed to the bottom wall 1, and the fan 5 is located on the bottom surface 4a Between the bottom wall 1 and the bottom wall 1, specifically, the fan 5 includes a surrounding wall 52 fixed to the housing 30 and enclosing a receiving portion 50 with the housing 30, and a fan received in the receiving portion 50 In the leaf 51, an opening 510 communicating with the receiving portion 50 is formed on the side of the surrounding wall 52 close to the condensing end 42, the condensing end 42 is provided on the opening 510, and the air inlet 201 is connected to the The air outlets 202 are respectively communicated with the accommodating part 50.
- the condensing end 42 is covered with the opening 510, and the condensing end 42 may be fixed to the surrounding wall 52 to cover the opening 510, or the condensing end 42 may be clamped to the opening 510 as shown in the figure.
- the heat transfer element 8 between the heat conducting element 4 and the surrounding wall 52 is indirectly covered.
- the fins 6 are arranged at intervals between the air outlet 202 and the receiving portion 50, the fins 6 are sheet-shaped and perpendicular to the bottom wall 1, and a plurality of the fins 6 are arranged in an array Between the fan blade 51 and the frame 22; and the receiving portion 50 communicates with the air outlet 202 through the gap 60 between the adjacent fins 6; the fan blade 51 rotates to drive the The external air of the casing 30 enters the receiving portion 50 through the air inlet 201 and blows out toward the air outlet 202.
- the heat generated by the heat source 3 is transferred to the condensing end 42 through the contact end 41, and the condensing end 41 dissipates the heat; when the heat source 3 is working at high power, the heat dissipation efficiency of the condensing end 42 is insufficient and timely dissipates heat,
- the condensing end 42 transfers the heat that has not been dissipated in time to the fan 5, referring to the direction indicated by the arrow in FIG.
- the fan blade 51 drives external air to transfer heat to the fin 6 through operation, and the fin 6 transfers the heat to the outside through the air outlet 202 to achieve the purpose of heat dissipation. That is, by providing the fan 5 and the fins 6 to perform forced convection heat dissipation on part of the heat of the condensing end 42, the heat dissipation efficiency is higher, and the cost increase is less.
- 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 4a.
- 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 quickly transferred to the contact end 41;
- the fan 5 correspondingly covers at least part of the condensing end 42, so that the heat of the condensing end 42 can be quickly transferred. Passed to the fan 5, the heat dissipation effect is better.
- the heat sink 7 is sandwiched between the heat conducting member 4 and the top wall 21, and the heat conducting member 4 is fixed to the housing 30 through the heat sink 7.
- the heat sink 7 is a graphite sheet. That is, the heat sink 7 made of graphite material can quickly transfer the heat located on the heat conducting member 4 to the bottom plate 21 through the top surface 4b and then to the outside, and the heat dissipation effect is better.
- the heat transfer element 8 is sandwiched between the heat transfer element 4 and the surrounding wall 52, and the fan 5 and the fins 6 are both fixed to the heat transfer element 8 and the bottom wall. 1 between.
- the heat transfer element 8 is attached to the heat conduction element 4, and the heat transfer element 8 has a good heat conduction effect, and can quickly transfer the heat of the condensing end 42 to the fan 5, so that the heat dissipation power is higher.
- the heat transfer element 8 is a copper sheet, which has better heat transfer efficiency.
- the mobile terminal 100 further includes a heat-dissipating silica gel 9 attached to the side of the heat source 3 close to the heat-conducting member 4, that is, the heat-dissipating silica gel 9 quickly transfers the heat of the heat source 3 to the contact end of the heat-conducting member 4. 41.
- the heat dissipation effect is better, and the heat dissipation silica gel 9 is made of silicone grease material, which can play a buffering role to protect the heat source 3.
- the circuit board 11 is sandwiched and fixed between the heat source 3 and the screen 1, and the circuit board 11 is electrically connected to the heat source 3 to provide electrical signals.
- the mobile terminal of the present invention includes a fan and fins respectively installed in the accommodating space.
- the fan is connected to the condensing end and includes a housing fixed to the housing and enclosed with the housing to accommodate
- the surrounding wall of the accommodating part and the fan blades accommodated in the accommodating part, the side of the surrounding wall near the condensation end is formed with an opening communicating with the accommodating part, and the condensation end cover is provided at the opening;
- the accommodating part communicates with an air inlet and an air outlet, the fins are arranged at intervals between the air outlet and the accommodating part, and the accommodating part is connected to the outlet through the gap between the adjacent fins.
- the air outlet is connected; the rotation of the fan blade drives the external air of the casing to enter the receiving part through the air inlet and blow out toward the air outlet. That is, the heat generated by the heat source is transferred to the condensing end through the contact end, and the condensing end dissipates the heat; when the heat source is working at high power, the heat dissipation efficiency of the condensing end is insufficient and the heat is dissipated in a timely manner, the condensing end will not be dissipated.
- the heat dissipated in time is transferred to the fan, and the cold air from the outside enters the interior of the mobile terminal through the air inlet and then is transferred to the accommodating part so that the fan blade starts to work.
- the fins transfer the heat to the outside through the air outlet to achieve the purpose of heat dissipation. That is, a fan and fins are provided to force part of the heat at the condenser end to dissipate heat by forced convection, and the heat dissipation efficiency is higher; and the heat generated by the heat source is mainly exported through the operation of the fan blades to drive the external air, which prevents the entire mobile terminal from heating as a whole; the fins The fin and the fan quickly dissipate the heat generated by the heat source, which improves the limit heat dissipation power, that is, the heat source can operate stably at a higher power.
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Abstract
本实用新型提供了一种移动终端，其包括具有收容空间的壳体、收容于收容空间的热源以及导热件，导热件包括与热源连接的接触端以及自接触端朝远离接触端方向延伸的冷凝端，移动终端还包括分别安装于收容空间内的风扇和鳍片，风扇包括固定于壳体并与壳体围成收容部的围壁以及收容于收容部的扇叶，围壁靠近冷凝端的一侧形成有与收容部连通的开口，冷凝端盖设于开口；壳体设有贯穿其上且分别与收容部连通的进风口和出风口，鳍片间隔排布于出风口与收容部之间，且收容部经相邻鳍片之间的间隙与出风口连通；扇叶转动带动壳体的外部气体经进风口进入收容部并朝出风口吹出。与相关技术相比，本实用新型的移动终端成本低，散热效果更好。
Description
本实用新型涉及通讯技术领域，尤其涉及一种移动终端。
随着通讯技术的发展，移动终端的功能也越来越多，特别是智能手机。由于各种程序的运行，智能手机通常面临的问题就是散热。
相关技术的移动终端散热结构一般包括屏幕以及与所述屏幕围成收容空间的壳体，收容于所述收容空间的热源以及导热件；所述导热件内充有部分液体，其包括与所述热源固定的接触端以及自所述接触端朝远离所述接触端方向延伸的冷凝端，热源产生的热源通过接触端使得导热件内的液体气化然后到达冷凝端，在冷凝端凝结降温后通过毛细管作用回到接触端，如此循环可迅速散热，人们一般称此种散热为水冷散热或液冷散热。相关技术的移动终端散热结构还可设置为屏幕以及与所述屏幕围成收容空间的壳体，收容于所述收容空间的热源以及由石墨材料制成的散热片，所述散热片夹设于所述热源与所述壳体之间，所述散热片可迅速将局部的热量扩散至壳体上，可有效降低热源的热量。
然而，相关技术的移动终端当热源（如CPU）功率较高时，导出的热量较多，外界空气无法迅速带走热量，从而导致手机整体发热，影响使用体验；且导热件和散热片都有极限散热功率，当热源加热功率超过其极限散热功率时，导热件和散热片将面临失效，无法将热量迅速导出，从而导致手机局部发热严重。
因此，实有必要提供一种新的移动终端解决上述技术问题。
本实用新型的目的在于提供一种成本低，散热效果更好的移动终端。
为了达到上述目的，本实用新型提供了一种移动终端，其包括具有收容空间的壳体、收容于所述收容空间的热源以及导热件，所述导热件包括与所述热源连接的接触端以及自所述接触端朝远离所述接触端方向延伸的冷凝端，所述移动终端还包括分别安装于所述收容空间内的风扇和鳍片，所述风扇连接于所述冷凝端且包括固定于所述壳体并与所述壳体围成收容部的围壁以及收容于所述收容部的扇叶，所述围壁靠近所述冷凝端的一侧形成有与所述收容部连通的开口，所述冷凝端盖设于所述开口；所述壳体设有贯穿其上且分别与所述收容部连通的进风口和出风口，所述鳍片间隔排布于所述出风口与所述收容部之间，且所述收容部经相邻所述鳍片之间的间隙与所述出风口连通；所述扇叶转动带动所述壳体的外部气体经所述进风口进入所述收容部并朝所述出风口吹出。
优选的，所述壳体包括呈环形的边框以及分别位于所述边框两侧且相对设置的顶壁与底壁，所述顶壁、所述边框及所述底壁围合形成所述收容空间，所述导热件、所述风扇及所述鳍片均固定于所述底壁，所述导热件位于所述热源与所述顶壁之间，所述进风口及所述出风口均开设于所述边框。
优选的，所述鳍片呈片状并与所述底壁垂直，多个所述鳍片阵列排布于所述扇叶与所述边框之间。
优选的，所述导热件包括相对设置的顶面和底面，所述顶面贴合于所述顶壁，所述热源夹设于所述底面与所述底壁之间，所述鳍片和所述风扇位于所述底面与所述底壁之间。
优选的，所述移动终端还包括夹设于所述导热件和所述顶壁之间的散热片，所述导热件通过所述散热片固定于所述壳体。
优选的，所述散热片为石墨片。
优选的，所述移动终端还包括夹设于所述导热件和所述围壁之间的传热件，所述传热件与所述导热件贴合，所述风扇和所述鳍片均固定于所述传热件与所述底壁之间。
优选的，所述传热件为铜片。
优选的，所述移动终端还包括贴设于所述热源靠近所述导热件一侧的散热硅胶。
优选的，所述顶壁为盖板，所述底壁为屏幕，所述进风口与所述出风口分别开设于边框的相邻两侧。
与相关技术相比，本实用新型的移动终端中，其包括分别安装于所述收容空间内的风扇和鳍片，风扇连接于所述冷凝端且包括固定于壳体并与壳体围成收容部的围壁以及收容于收容部的扇叶，围壁靠近冷凝端的一侧形成有与收容部连通的开口，冷凝端盖设于开口；所述壳体设有贯穿其上且分别与所述收容部连通的进风口和出风口，所述鳍片间隔排布于所述出风口与所述收容部之间，且所述收容部经相邻所述鳍片之间的间隙与所述出风口连通；所述扇叶转动带动所述壳体的外部气体经所述进风口进入所述收容部并朝所述出风口吹出。即所述热源产生的热量通过接触端传递至冷凝端，所述冷凝端对其热量进行散热；当所述热源大功率工作时而导致冷凝端的散热效率不足以及时散热时，所述冷凝端将未及时散热的热量传递至风扇，外界的冷空气通过进风口进入移动终端内部然后传递至收容部使得扇叶开始运转工作，所述扇叶通过运转带动外部的气体将热量传递至鳍片，所述鳍片将所述热量通过出风口传递至外界以达到散热的目的。即通过设置风扇以及鳍片对冷凝端的部分热量进行强制对流散热，散热效率更高；且其热源产生的热量主要通过扇叶运转带动外部的气体导出，避免了整个移动终端整体发热；所述鳍片和所述风扇迅速将热源产生的热量导出，提高了极限散热功率，即所述热源能够在更高的功率下稳定运行。
为了更清楚地说明本实用新型实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本实用新型的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其它的附图，其中：
图1为本实用新型移动终端的结构示意图；
图2为本实用新型移动终端的分解示意图；
图3为本实用新型移动终端的剖示图；
图4为本实用新型移动终端的局部剖示图；
图5为图4中B的放大示意图；
图6本实用新型风扇和鳍片的放大示意图。
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅是本实用新型的一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例，都属于本实用新型保护的范围。
请同时参阅图1-6，本实用新型提供了一种移动终端100，其包括具有收容空间10的壳体30、收容于所述收容空间10的热源3、导热件4、风扇5、鳍片6、散热片7、传热件8、散热硅胶9以及电路板11。
所述壳体30包括呈环形的边框22以及分别位于所述边框22两侧且相对设置的顶壁21与底壁1，所述顶壁21、所述边框22及所述底壁1围合形成所述收容空间10；具体的，所述顶壁21为盖板，所述底壁1为屏幕。当然所述壳体30并不限制于此，还可以为其他结构。所述壳体30包括贯穿其上的进风口201和出风口202，本实施例中，所述进风口201与所述出风口202分别开设于边框22的相邻两侧，当然也可以开设于其相对两侧。
本实施例中，所述热源3为中央处理器（Central Processing Unit,CPU），当然所述热源3也可以是其他可发热的元器件，如受话器等。
所述导热件4包括与所述热源3连接的接触端41以及自所述接触端41朝远离所述接触端41方向延伸的冷凝端42。具体的，所述导热件4包括相对设置的顶面4b和底面4a，所述顶面4b贴合于所述顶壁21，当然所述顶面4b也可以贴合于所述边框22，所述热源3夹设于所述底面4a与所述底壁1之间。应当理解，本实用新型中所提到的“夹设”表示位于两部件之间，不限于与两部件的直接接触。
导热件4固定于所述底壁1且位于所述热源3与所述顶壁21之间，其一般为铜制的腔体结构，其内部填充有液体。所述热源3工作时产生热量，其热量通过接触端41传递至导热件4的内部，使得内部的液体气化，气体传至冷凝端42然后凝结降温形成液体，液体通过毛细管作用回到接触端41，如此循环达到散热目的；同时因顶面4b贴设于顶壁21，其部分热量也可通过顶面4b传递至顶壁21然后传递至外界，能迅速降温。
风扇5和鳍片6分别安装于所述收容空间10，风扇5连接于所述冷凝端42，具体的，风扇5和鳍片6均固定于所述底壁1，风扇5位于所述底面4a与所述底壁1之间，具体的，所述风扇5包括固定于所述壳体30并与所述壳体30围成收容部50的围壁52以及收容于所述收容部50的扇叶51，所述围壁52靠近所述冷凝端42的一侧形成有与所述收容部50连通的开口510，所述冷凝端42盖设于所述开口510，所述进风口201与所述出风口202分别与收容部50连通。需要说明的是，冷凝端42盖设于所述开口510，可以是冷凝端42与围壁52固定以覆盖所述开口510，也可以是冷凝端42通过如图所示的夹设于所述导热件4和所述围壁52之间的传热件8进行间接覆盖。所述鳍片6间隔排布于所述出风口202与所述收容部50之间，所述鳍片6呈片状并与所述底壁1垂直，多个所述鳍片6阵列排布于所述扇叶51与所述边框22之间；且所述收容部50经相邻所述鳍片6之间的间隙60与所述出风口202连通；所述扇叶51转动带动所述壳体30的外部气体经所述进风口201进入所述收容部50并朝所述出风口202吹出。
所述热源3产生的热量通过接触端41传递至冷凝端42，所述冷凝端41对其热量进行散热；当所述热源3大功率工作时而导致冷凝端42的散热效率不足以及时散热时，所述冷凝端42将未及时散热的热量传递至风扇5，参图5中箭头所指方向，外界的冷空气通过进风口201进入移动终端100内部然后传递至收容部50使得扇叶51开始运转工作，所述扇叶51通过运转带动外部的气体将热量传递至鳍片6，所述鳍片6将所述热量通过出风口202传递至外界以达到散热的目的。即通过设置风扇5以及鳍片6对冷凝端42的部分热量进行强制对流散热，散热效率更高，同时成本增加较少。
本实施例中，所述热源3和所述风扇5在所述底面4a的正投影至少部分落入所述底面4a内。所述热源3对应覆盖至少部分所述接触端41，使得热源3产生的热量可迅速传递至接触端41；所述风扇5对应覆盖至少部分所述冷凝端42，使得冷凝端42的热量可迅速传递至所述风扇5，散热效果更好。
散热片7夹设于所述导热件4和所述顶壁21之间，所述导热件4通过所述散热片7固定于所述壳体30。优选的，所述散热片7为石墨片。即由石墨材料制成的散热片7可以迅速将位于导热件4的热量通过顶面4b传递至底板21然后传至外界，散热效果更好。
本实施例中，传热件8夹设于所述导热件4和所述围壁52之间，所述风扇5和所述鳍片6均固定于所述传热件8与所述底壁1之间。所述传热件8与所述导热件4贴合，传热件8的导热效果好，可以迅速将冷凝端42的热量传递至风扇5，使得散热功率更高，当然也可以使用其他导热效果好的材料。优选的，传热件8为铜片，传热效率更好。
本实施例中，所述移动终端100还包括贴设于所述热源3靠近所述导热件4一侧的散热硅胶9，即散热硅胶9将热源3的热量迅速传递至导热件4的接触端41，散热效果更好，同时散热硅胶9由硅脂材料制成，可起缓冲作用以保护所述热源3。
电路板11夹设固定于所述热源3与所述屏幕1之间，所述电路板11与所述热源3电连接，提供电信号。
与相关技术相比，本实用新型的移动终端中，其包括分别安装于所述收容空间内的风扇和鳍片，风扇连接于所述冷凝端且包括固定于壳体并与壳体围成收容部的围壁以及收容于收容部的扇叶，围壁靠近冷凝端的一侧形成有与收容部连通的开口，冷凝端盖设于开口；所述壳体设有贯穿其上且分别与所述收容部连通的进风口和出风口，所述鳍片间隔排布于所述出风口与所述收容部之间，且所述收容部经相邻所述鳍片之间的间隙与所述出风口连通；所述扇叶转动带动所述壳体的外部气体经所述进风口进入所述收容部并朝所述出风口吹出。即所述热源产生的热量通过接触端传递至冷凝端，所述冷凝端对其热量进行散热；当所述热源大功率工作时而导致冷凝端的散热效率不足以及时散热时，所述冷凝端将未及时散热的热量传递至风扇，外界的冷空气通过进风口进入移动终端内部然后传递至收容部使得扇叶开始运转工作，所述扇叶通过运转带动外部的气体将热量传递至鳍片，所述鳍片将所述热量通过出风口传递至外界以达到散热的目的。即通过设置风扇以及鳍片对冷凝端的部分热量进行强制对流散热，散热效率更高；且其热源产生的热量主要通过扇叶运转带动外部的气体导出，避免了整个移动终端整体发热；所述鳍片和所述风扇迅速将热源产生的热量导出，提高了极限散热功率，即所述热源能够在更高的功率下稳定运行。
以上所述的仅是本实用新型的实施方式，在此应当指出，对于本领域的普通技术人员来说，在不脱离本实用新型创造构思的前提下，还可以做出改进，但这些均属于本实用新型的保护范围。
Claims (10)
- 一种移动终端，其包括具有收容空间的壳体、收容于所述收容空间的热源以及导热件，所述导热件包括与所述热源连接的接触端以及自所述接触端朝远离所述接触端方向延伸的冷凝端，其特征在于，所述移动终端还包括分别安装于所述收容空间内的风扇和鳍片，所述风扇连接于所述冷凝端且包括固定于所述壳体并与所述壳体围成收容部的围壁以及收容于所述收容部的扇叶，所述围壁靠近所述冷凝端的一侧形成有与所述收容部连通的开口，所述冷凝端盖设于所述开口；所述壳体设有贯穿其上且分别与所述收容部连通的进风口和出风口，所述鳍片间隔排布于所述出风口与所述收容部之间，且所述收容部经相邻所述鳍片之间的间隙与所述出风口连通；所述扇叶转动带动所述壳体的外部气体经所述进风口进入所述收容部并朝所述出风口吹出。
- 根据权利要求1所述的移动终端，其特征在于，所述壳体包括呈环形的边框以及分别位于所述边框两侧且相对设置的顶壁与底壁，所述顶壁、所述边框及所述底壁围合形成所述收容空间，所述导热件、所述风扇及所述鳍片均固定于所述底壁，所述导热件位于所述热源与所述顶壁之间，所述进风口及所述出风口均开设于所述边框。
- 根据权利要求2所述的移动终端，其特征在于，所述鳍片呈片状并与所述底壁垂直，多个所述鳍片阵列排布于所述扇叶与所述边框之间。
- 根据权利要求2所述的移动终端，其特征在于，所述导热件包括相对设置的顶面和底面，所述顶面贴合于所述顶壁，所述热源夹设于所述底面与所述底壁之间，所述鳍片和所述风扇位于所述底面与所述底壁之间。
- 根据权利要求2所述的移动终端，其特征在于，所述移动终端还包括夹设于所述导热件和所述顶壁之间的散热片，所述导热件通过所述散热片固定于所述壳体。
- 根据权利要求5所述的移动终端，其特征在于，所述散热片为石墨片。
- 根据权利要求2所述的移动终端，其特征在于，所述移动终端还包括夹设于所述导热件和所述围壁之间的传热件，所述传热件与所述导热件贴合，所述风扇和所述鳍片均固定于所述传热件与所述底壁之间。
- 根据权利要求7所述的移动终端，其特征在于，所述传热件为铜片。
- 根据权利要求7所述的移动终端，其特征在于，所述移动终端还包括贴设于所述热源靠近所述导热件一侧的散热硅胶。
- 根据权利要求2所述的移动终端，其特征在于，所述顶壁为盖板，所述底壁为屏幕，所述进风口与所述出风口分别开设于边框的相邻两侧。
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