Portable electronic device

Abstract

Portable electronic device (10), comprising: a carrier body (100), comprising: a housing (110) with a bottom surface (S1), a top surface (S2), a receiving chamber (S3) and a first air outlet (G1), wherein the top surface (S2) is opposite the bottom surface (S1), the receiving chamber (S3) is arranged between the bottom surface (S1) and the top surface (S2) and comprises a central region (A1) and two side regions (A2), wherein the central region (A1) is arranged between the two side regions (A2) and the first air outlet (G1) is arranged on the top surface (S2) and is in fluid communication with the central region A1 of the receiving chamber (S3); an electronic assembly (120) arranged in the central area (A1) comprising a main board (121) and at least one heat source arranged on the main board (121); two fans (130), each arranged in one of the two side areas (A2); and a display body (200) rotatably arranged on the carrier body (100); wherein the two fans (130) are configured to blow a cooling airflow flowing from the central area (A1) out of the first air outlet (G1).

Description

BACKGROUND 1. Technical field

[0001] The present invention relates to a portable electronic device, in particular a portable electronic device with fan cooling. 2. Related technology

[0002] Generally, a notebook computer is equipped with components that generate a lot of heat, such as a central processing unit (CPU), and a fan to cool the CPU. When the fan is running, it is used to blow a flow of cooling air through the CPU and then expel the heat generated by the CPU from the back of the notebook computer.

[0003] The back of a notebook computer generally features a pivoting hinge connected to the display. When the notebook's display is opened, part of the display and the hinge may partially obstruct the back of the computer. Consequently, the cooling performance of the fan can be reduced due to the smaller heat dissipation area on the back of the notebook. SUMMARY

[0004] Accordingly, this invention provides a portable electronic device whose heat dissipation area is increased by the additional provision of a gas outlet on the top of the housing of the carrier body.

[0005] According to one embodiment of this invention, a portable electronic device comprises: a carrier body and a display body. The carrier body comprises: a housing, an electronic assembly, and two fans.The housing comprises a bottom, a top, a receiving chamber, and a first air outlet, wherein the top is opposite the bottom, the receiving chamber is located between the bottom and the top and comprises a central region and two side regions, the central region being located between the two side regions, and the first air outlet being located on the top and in fluid communication with the central region of the receiving chamber; the electronic assembly located in the central region and comprising a mainboard and at least one heat source located on the mainboard; two fans, each located in one of the two side regions; the display body, which is rotatably mounted on the carrier body; wherein the two fans are configured to blow a cooling airflow exiting from the central region out of the first air outlet.

[0006] According to the portable electronic device disclosed by the above embodiments, a first air outlet, which is in fluid communication with the receiving chamber, is provided on the top of the housing of the carrier body. This allows the heat generated by the heat source within the receiving chamber to be dissipated through the unobstructed first air outlet, thereby increasing the heat dissipation area of ​​the carrier body and improving the cooling performance of the fan.

[0007] The above description of the present invention and the following descriptions of the embodiments serve to illustrate and explain the principles of the present invention and to explain in more detail the scope of the patent application for the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] The present invention will be better understood with reference to the detailed description below and the accompanying drawings, which are for illustrative purposes only and therefore do not limit the present invention, wherein Fig. 1 a perspective view of a portable electronic device according to an embodiment of the present invention; Fig. 2 an exploded view of a carrier body of the in Fig. 1 portable electronic device shown; Fig. 3 a cross-sectional view from below of the support body of the in Fig. 1 portable electronic device shown is; Fig. 4 a lateral cross-sectional view of the carrier body of the portable electronic device according to Fig. 1 is; Fig. 5 Another cross-sectional view from below of the carrier body of the portable electronic device according to Fig. 1 is; and Fig. 6 is an enlarged view of the in Fig. 4 carrier bodies shown. DETAILED DESCRIPTION

[0009] It will be on Fig. 1 to Fig. 3 referred. Fig. Figure 1 is a perspective view of a portable electronic device 10 according to an embodiment of the present invention. Fig. Figure 2 is an exploded view of a carrier body 100 of the in Fig. 1 portable electronic device shown 10. Fig. Figure 3 is a cross-sectional view from below of the support body 100 of the in Fig. 1 portable electronic device shown 10.

[0010] In the present embodiment, the portable electronic device 10 comprises the carrier body 100 and a display body 200. The display body 200 is rotatably mounted on the carrier body 100. The carrier body 100 comprises a housing 110, an electronic assembly 120, and two fans 130. The housing 110 has a bottom surface S1, a top surface S2, a receiving chamber S3, and a first air outlet G1. The top surface S2 is opposite the bottom surface S1. The receiving chamber S3 is located between the bottom surface S1 and the top surface S2 and comprises a central region A1 and two side regions A2. The central region A1 is located between the two side regions A2. The first air outlet G1 is located on the top surface S2 and is in fluid communication with the central region A1 of the receiving chamber S3. In this embodiment, the housing 110 comprises an upper housing 111, a lower housing 112, and a locking element 113.The lower housing 112 and the upper housing 111 are assembled to form the recording chamber S3. The bottom S1 is located on the lower housing 112 and the top S2 is located on the upper housing 111.

[0011] The electronic assembly 120 is located in the central area A1 and comprises a mainboard 121, a first heat source 122, and a second heat source 123. The first heat source 122 and the second heat source 123 are located on the mainboard 121. The first heat source 122 could, for example, be a central processing unit (CPU), and the second heat source 123 could, for example, be a graphics processing unit (GPU); however, the types and number of heat sources are not limited to these. Only a portion of the mainboard 121 is located within the central area A1.

[0012] The two 130 fans are located in the two side sections A2. The two 130 fans are configured to blow a cooling airflow, which flows from the middle section A1, out of the first air outlet G1.

[0013] In the present embodiment, the housing 110 further comprises a rear surface S4, a second air outlet G2, and two inlets G3. The rear surface S4 is connected to the bottom surface S1 and the top surface S2. The second air outlet G2 is located on the rear surface S4 and is in fluid communication with the central region A1 of the receiving chamber S3. The two inlets G3 are located on the bottom surface S1 and are each in fluid communication with the two side regions A2 of the receiving chamber S3. The two inlets G3 can also be in fluid communication with the central region A1 of the receiving chamber S3.

[0014] Each of the two 130 fans has a first gas outlet O1 and a second gas outlet O2. The first gas outlet O1 is oriented towards the rear S4, and the second gas outlet O2 is oriented towards the central area A1.

[0015] In the present embodiment, the support body 100 can further comprise two cooling elements 140 and two heat pipes 150. The two cooling elements 140 are each arranged at the two first gas outlets O1. The ends of the two heat pipes 150 are each thermally coupled to the two cooling elements 140, and the other ends of the two heat pipes 150 are thermally coupled to at least one heat source, for example the first heat source 122 and the second heat source 123, although the invention is not limited thereto.

[0016] It will be on Fig. 4 to Fig. 6 referred. Fig. Figure 4 is a side cross-sectional view of the support body of the in Fig. 1 portable electronic device shown. Fig. 5 is another cross-sectional view from below of the support body of the in Fig. 1 portable electronic device shown. Fig. 6 is an enlarged view of Fig. 4.

[0017] In the present embodiment, the main board 121 divides the central area A1 into an upper channel C1 and a lower channel C2. The upper channel C1 is located further from the base surface S1 than the lower channel C2. The first air outlet G1 is in fluid communication with the upper channel C1, and the second air outlet G2 is in fluid communication with the lower channel C2.

[0018] In the present embodiment, the portable electronic device 10 can further comprise a pivot pin 300 that pivotably connects the support body 100 and the display body 200, thereby allowing the display body 200 to be rotatably mounted on the support body 100. The upper housing 111 has an inner surface S5 that faces away from the top surface S2. The blocking element 113 projects from the inner surface S5 and is located closer to the pivot pin 300 than the first air outlet G1, such that the blocking element 113 blocks one side of the upper channel C1 that is located close to the pivot pin 300. The blocking element 113 prevents the cooling airflow in the upper channel C1 from flowing towards the pivot pin 300, thus preventing heat from the cooling airflow from accumulating at the pivot pin 300.

[0019] In the present embodiment (as in Fig.(2 shown) the upper housing 111 comprises a mounting bracket 1110 and a cover plate 1111. The mounting bracket 1110 is assembled with the lower housing 112. The cover plate 1111 is attached to and surrounded by the mounting bracket 1110. The cover plate 1111 can be, but is not limited to, a plate positioned above the keyboard (located on the bracket 1110) and near one side of the display body 200. The first air outlet G1 is located on the cover plate 1111. The cover plate 1111 is made of a different material than the mounting bracket 1110. The specific heat capacity of the cover plate 1111 material can be greater than that of the mounting bracket 1110 material, thereby reducing the heat accumulation on the cover plate 1111 caused by the cooling airflow.For example, the mounting bracket 1110 can be made of a metal material and the cover plate 1111 of a plastic material, but this is not limited to either. Additionally, the cover plate 1111 can have patterns or structures for user identification.

[0020] The first air outlet G1 extends inwards from the top surface S2, and one direction of extension of the first air outlet G1 forms an acute angle to a normal direction of the top surface S2. The minimum distance between the first air outlet G1 and a side surface of the cover plate 1111 facing the pivot pin 300 increases progressively from a side of the first air outlet G1 that is closer to the top surface S2 to a side that is farther away from the top surface S2.

[0021] The effective dissipation of heat that has accumulated on one side of the top surface S2 near the pivot 300 is illustrated below by the direction of the cooling airflow within the carrier body 100. When the two fans 130 are operating, each fan 130 blows the cooling airflow exiting the first gas outlet O1 along a first fan airflow direction F1 and the airflow exiting the second gas outlet O2 along a second fan airflow direction F2. A portion of the cooling airflow exiting the first gas outlet O1 absorbs heat from the heat sink 140 and flows out of the carrier body 100 through the second air outlet G2.The other part of the cooling airflow exiting the second gas outlet O2 flows towards the lower channel C2, exchanges heat with the first heat source 122 and the second heat source 123 within the lower channel C2, and flows out of the support body 100 through the second air outlet G2 along a second direction D2. Another part of the cooling airflow exiting the second gas outlet O2 flows to the upper channel C1, absorbs heat within the upper channel C1, and flows out of the support body 100 through the first air outlet G1 along a first direction D1.

[0022] As described above, the cooling airflow within the upper channel C1 exits the carrier body 100 through the first air outlet G1 on the top S2 instead of from the rear of the carrier body 100. This means that the cooling airflow exiting the first air outlet G1 is no longer blocked by the pivot pin 300 and the indicator body 200, thus increasing the heat dissipation area of ​​the carrier body 100. In this way, by additionally providing the first air outlet G1 on the top S2 of the housing 110 of the carrier body 100, the heat dissipation area of ​​the carrier body 100 can be increased, and the cooling performance of the fan 130 inside the carrier body 100 can be improved.

[0023] According to the portable electronic device disclosed by the embodiments above, in addition to a second air outlet at the rear of the carrier body, a first air outlet in fluid communication with the receiving chamber is provided at the top of the carrier body housing. The first air outlet is not oriented towards the pivot point, but rather towards the space in front of the display body. Therefore, the heat generated by the heat source in the receiving chamber can escape from the carrier body 100 through the first air outlet without being blocked by the pivot point and part of the display body. This increases the heat dissipation area of ​​the carrier body and improves the cooling performance of the fan by adding the first air outlet at the top.

[0024] Although the present invention has been described with reference to the foregoing embodiments, this is not intended to limit it. Persons skilled in the art may make various modifications and refinements without departing from the spirit and scope of the present invention. Therefore, the scope of patent protection for the present invention is defined by the claims appended to this description.

Claims

[1] Portable electronic device (10), comprising: a carrier body (100), comprising: a housing (110) with a bottom surface (S1), a top surface (S2), a receiving chamber (S3) and a first air outlet (G1), wherein the top surface (S2) is opposite the bottom surface (S1), the receiving chamber (S3) is arranged between the bottom surface (S1) and the top surface (S2) and comprises a central region (A1) and two side regions (A2), wherein the central region (A1) is arranged between the two side regions (A2) and the first air outlet (G1) is arranged on the top surface (S2) and is in fluid communication with the central region A1 of the receiving chamber (S3); an electronic assembly (120) arranged in the central area (A1) comprising a main board (121) and at least one heat source arranged on the main board (121); two fans (130), each arranged in one of the two side areas (A2); and a display body (200) rotatably arranged on the carrier body (100); wherein the two fans (130) are configured to blow a cooling airflow flowing from the central area (A1) out of the first air outlet (G1). [2] Portable electronic device (10) according to claim 1, wherein the housing (110) further comprises a rear (S4) and a second air outlet (G2), wherein the rear (S4) is connected to the bottom and top (S2) and the second air outlet (G2) is arranged on the rear (S4) and is in fluid communication with the central area (A1) of the receiving space (S3). [3] Portable electronic device (10) according to claim 2, wherein the main board (121) further divides the central area (A1) into an upper channel (C1) and a lower channel (C2), wherein the upper channel is further away from the bottom surface (S1) than the lower channel, wherein the first air outlet (G1) is in fluid communication with the upper channel and the second air outlet (G2) is in fluid communication with the lower channel. [4] Portable electronic device (10) according to claim 3, further comprising a pivot pin (300) connecting the support body (100) and the display body (200), wherein the housing (110) further comprises an upper housing (111), a lower housing (112) and a blocking element (113), wherein the lower housing (112) and the upper housing (111) are assembled to form the receiving space (S3), wherein the bottom surface (S1) is located on the lower housing (112), the top surface (S2) is located on the upper housing (111), the upper housing (111) has an inner surface facing away from the top surface (S2), and the blocking element (113) projects from the inner surface and is located closer to the pivot point than the first air outlet (G1), such that the blocking element (113) blocks a side of the upper channel that is located near the pivot point. [5] Portable electronic device (10) according to claim 4, wherein the upper housing (111) comprises a mounting bracket (1110) and a cover plate (1111), the mounting bracket is assembled with the lower housing (112), the cover plate is attached to the mounting bracket and surrounded by the mounting bracket, and the first air outlet (G1) is arranged on the cover plate. [6] Portable electronic device (10) according to claim 5, wherein the cover plate is made of a different material than the holder. [7] Portable electronic device (10) according to claim 6, wherein the cover plate is made of a plastic material. [8] Portable electronic device (10) according to claim 2, wherein each of the fans (130) has a first gas outlet (O1) and a second gas outlet (O2), wherein the first gas outlet (O1) is directed towards the rear (S4) and the second gas outlet (O2) is directed towards the central area (A1), wherein the support body (100) further comprises two heat sinks (140) and two heat tubes (150), wherein the two heat sinks (140) are each arranged at the two first gas outlets, the ends of the two heat tubes (150) are each thermally coupled to the two heat sinks (140) and the other ends of the two heat tubes (150) are thermally coupled to the at least one heat source. [9] Portable electronic device (10) according to claim 1, wherein the first air outlet (G1) extends inwards from the top (S2) and an extension direction of the first air outlet (G1) is at an acute angle to a normal direction of the top (S2). [10] Portable electronic device (10) according to claim 1, wherein the housing (110) further comprises two inlets (G3), the two inlets (G3) being arranged on the bottom surface (S1) and each being in gas contact with the two side areas (A2) of the receiving space (S3).

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