WO2022181001A1 - 電子機器 - Google Patents
電子機器 Download PDFInfo
- Publication number
- WO2022181001A1 WO2022181001A1 PCT/JP2021/046470 JP2021046470W WO2022181001A1 WO 2022181001 A1 WO2022181001 A1 WO 2022181001A1 JP 2021046470 W JP2021046470 W JP 2021046470W WO 2022181001 A1 WO2022181001 A1 WO 2022181001A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- exhaust port
- electronic device
- air
- fan
- housing
- Prior art date
Links
- 230000017525 heat dissipation Effects 0.000 description 24
- 238000007664 blowing Methods 0.000 description 10
- 238000001816 cooling Methods 0.000 description 8
- 230000005855 radiation Effects 0.000 description 6
- 230000006866 deterioration Effects 0.000 description 5
- 239000002184 metal Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
- G06F1/203—Cooling means for portable computers, e.g. for laptops
-
- 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
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
-
- 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
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20154—Heat dissipaters coupled to components
Definitions
- This disclosure relates to electronic equipment.
- An electronic device that has a housing that accommodates a blower inside and has an exhaust port that discharges the air from the blower to the outside.
- the electronic device described in Patent Document 1 includes a housing that accommodates a fan unit.
- the housing includes an air vent for taking in outside air, a first air outlet opening in the air blowing path, and a second air exhaust opening in a position different from the air blowing path.
- the heat generated from the internal electronic components is absorbed by the heat pipe and the heat radiation fins, and the heat inside the electronic device is dissipated to the outside by blowing air to the heat radiation fins with the fan unit.
- Patent Document 1 still has room for improvement in terms of improving the heat dissipation performance and miniaturizing the product.
- the present disclosure provides an electronic device that is miniaturized while improving heat dissipation performance.
- An electronic device includes a housing having a first principal surface, a second principal surface opposite to the first principal surface, and a side surface connecting the first principal surface and the second principal surface; a fan arranged inside the housing; an air passage disposed inside the housing through which the air sent from the fan passes; and fins arranged in the air duct,
- the air passage extends from the fan toward the side surface
- the housing has a concave portion recessed from the second main surface toward the first main surface and extending toward the side surface at a position overlapping the air passage in a plan view,
- the recess has a concave surface facing the first main surface and a concave side surface located closer to the fin than the side surface in the direction in which the air duct extends and connecting the second main surface and the concave surface.
- the side surface has a first exhaust port through which part of the air sent from the fan is discharged,
- the concave side has a second outlet through which another part of the air sent from the fan is discharged.
- FIG. 1 is a perspective view showing an appearance of an electronic device according to a first embodiment
- Cross-sectional perspective view of the electronic device of FIG. AA sectional view of the electronic device in FIG. 3 is an exploded perspective view showing part of an electronic device according to Modification 1 of Embodiment 1.
- FIG. 8 is a cross-sectional perspective view showing part of the electronic device of FIG. 7
- Patent Literature 1 discloses an electronic device that dissipates heat by blowing air from a fan unit to heat dissipating fins that have absorbed heat from heat-generating components. The air blown from the fan unit is discharged to the outside of the electronic device through the first exhaust port.
- the present inventors have studied an electronic device that achieves miniaturization while improving heat dissipation performance, and have arrived at the following invention.
- An electronic device includes: a housing having a first principal surface, a second principal surface opposite to the first principal surface, and a side surface connecting the first principal surface and the second principal surface; a fan arranged inside the housing; a fin disposed inside the housing and in a blowing path of air from the fan, The air passage is formed extending from the fan toward the side surface,
- the housing is provided with a concave portion recessed from the second main surface toward the first main surface and extending toward the side surface at a position overlapping the air passage in plan view,
- the recess has a concave surface facing the first main surface and a concave side surface located closer to the fin than the side surface in the direction in which the air duct extends and connecting the second main surface and the concave surface. and A first outlet through which air from the fan is discharged is formed on the side surface, A second outlet through which air from the fan is discharged is formed in the concave side surface.
- the size of the first exhaust port may be larger than the size of the second exhaust port in the thickness direction of the housing.
- the hot air that has cooled the fins can be quickly discharged.
- the second exhaust port may open across the second main surface from the concave side surface.
- the high-temperature air that has cooled the fins can be discharged in two directions, improving heat dissipation performance.
- the concave surface may be formed flat.
- An antenna may be arranged along the concave surface inside the housing.
- the heat of the air that cools the fins can be dissipated by the antenna, and the heat dissipation performance can be further improved.
- the concave surface may be inclined toward the first main surface toward the side surface.
- the fins may be arranged adjacent to the second exhaust port.
- the air that has cooled the fins can be discharged directly to the outside of the electronic device, improving the heat dissipation performance.
- the first exhaust port is formed by a plurality of first through holes
- the second exhaust port may be formed by a plurality of second through holes.
- the first exhaust port and the second exhaust port can be an aggregate of a plurality of small through holes. Therefore, it is possible to prevent foreign matter from entering the electronic device.
- the size of the first through hole may be larger than the size of the second through hole.
- FIG. 1 is a perspective view showing an appearance of an electronic device 1 according to a first embodiment.
- FIG. 2 is a schematic diagram when the electronic device 1 of FIG. 1 is used as a laptop PC.
- the XYZ coordinate system shown in the drawing is for facilitating understanding of the embodiment, and does not limit the embodiment.
- the X-axis direction is the width direction of the electronic device
- the Y-axis direction is the thickness direction
- the Z direction is the depth direction.
- the electronic device 1 is a tablet terminal having a display unit 10. As shown in FIG. 2, when the electronic device 1 is connected to a keyboard unit 2 having input devices such as a keyboard 201 and a touch pad 202, the electronic device 1 can be used as a laptop PC.
- FIG. 3 is a perspective view of the electronic device 1 of FIG. 1 viewed from another direction.
- FIG. 4 is an enlarged view of part of the electronic device 1 of FIG.
- FIG. 5 is a cross-sectional perspective view of the electronic device 1 of FIG.
- FIG. 6 is a cross-sectional view of the electronic device 1 of FIG. 4 taken along the line AA.
- the electronic device 1 includes a housing 14, a fan 15, and fins 16.
- the fan 15 and fins 16 are arranged inside the housing 14 .
- the housing 14 has a first principal surface 11, a second principal surface 12, and a side surface 13 connecting the first principal surface 11 and the second principal surface 12.
- the electronic device 1 has a display section 10 on the first main surface 11 .
- the second principal surface 12 is the surface opposite to the first principal surface 11 .
- the electronic device 1 has, for example, a camera 17 and a battery pack 18 on the second main surface 12 .
- the second main surface 12 is formed with an intake port 19 through which the fan 15 draws in outside air.
- the housing 14 is provided with a recess 20 as shown in FIGS.
- Recess 20 is recessed from second main surface 12 toward first main surface 11 and extends toward side surface 13 .
- the recessed portion 20 is formed at a position overlapping the airflow path in plan view, that is, when viewed in the Y direction.
- the air passage is a passage through which air from the fan 15 is discharged to the outside of the housing 14, and extends in the direction of arrow B shown in FIG.
- the air passage includes an air passage B1 from the fan 15 to the first air outlet 23 and an air air passage B2 from the fan 15 to the second air outlet 24 (see FIG. 6).
- the recess 20 has a concave surface 21 facing the first main surface 11 and a concave side surface 22 connecting the second main surface 12 and the concave surface 21 . Further, the concave side surface 22 is located closer to the fins 16 than the side surface 13 in the direction B in which the air passage extends.
- the thickness of the portion of the housing 14 corresponding to the recess 20 is smaller than that of other portions. Therefore, forming the concave portion 20 contributes to miniaturization of the electronic device 1 .
- the concave surface 21 is formed flat.
- a first exhaust port 23 is formed in the side surface 13 .
- the first exhaust port 23 is an outlet through which the air that has passed through the blowing passage B1 (see FIG. 6) is discharged.
- the first exhaust port 23 is formed by a plurality of first through holes 23a.
- a second exhaust port 24 is formed in the concave side surface 22 .
- the second exhaust port 24 is an outlet through which the air that has passed through the blowing passage B2 (see FIG. 6) is discharged.
- the second exhaust port 24 is formed from a plurality of second through holes 24a. Air from the fan 15 is discharged from the first exhaust port 23 and the second exhaust port 24 . That is, the first exhaust port 23 and the second exhaust port 24 are outlets for air blown from the fan 15 . More specifically, as shown in FIG.
- the first exhaust port 23 is an outlet through which a portion of the air sent from the fan 15 is exhausted
- the second exhaust port 24 is an outlet through which a portion of the air sent from the fan 15 is discharged. An outlet through which another portion of the air is expelled.
- the heat absorbed by the fins 16 is cooled by the air from the fan 15 , and the air heated by the cooling of the fins 16 is discharged from the first exhaust port 23 and the second exhaust port 24 .
- first exhaust port 23 and the second exhaust port 24 By forming the first exhaust port 23 and the second exhaust port 24 with a plurality of first through holes 23a and a plurality of second through holes 24a, respectively, foreign matter can be prevented from entering the housing 14 of the electronic device 1. can be prevented. Further, by changing the size of the first through hole 23a and the second through hole 24a, the size of the air outlet to the outside of the housing 14 can be changed, and the flow velocity of the discharged air can be controlled. can be done.
- the size H1 of the first exhaust port 23 is larger than the size H2 of the second exhaust port 24 in the thickness direction of the housing 14, that is, the Y direction (see FIG. 5).
- the size H1 of the first exhaust port 23 and the size H2 of the second exhaust port 24 refer to the size of the opening in the Y direction.
- air heated to a high temperature by cooling the fins 16 is discharged from the first exhaust port 23 and the second exhaust port 24 .
- the flow velocity of the air discharged from the second exhaust port 24 can be increased, so high-temperature air can be discharged quickly.
- the size W1 of the first through hole 23a is larger than the size W2 of the second through hole 24a.
- the size W1 of the first through hole 23a and the size W2 of the second through hole 24a are the sizes of the openings in the X direction.
- the fan 15 is arranged inside the housing 14 at a position overlapping the intake port 19 .
- the fan 15 takes in air from the outside of the housing 14 through the intake port 19 and sends the air toward the first exhaust port 23 and the second exhaust port 24 . Air from the fan 15 cools the fins 16 .
- a sirocco fan for example, can be used as the fan 15 .
- the airflow path B (see FIG. 3) of the air from the fan 15 is directed to the airflow path B1 toward the first exhaust port 23 and the second exhaust port inside the housing 14. It is divided into air blowing path B2.
- the air from the fan 15 is discharged to the outside of the housing 14 from the first exhaust port 23 and the second exhaust port 24 via the airflow paths B1 and B2.
- the airflow path B1 and the airflow path B2 are formed extending from the fan 15 in the -Z direction. That is, the air passages B ⁇ b>1 and B ⁇ b>2 are formed extending from the fan 15 toward the side surface 13 .
- the fins 16 are arranged in the blowing path B of the air from the fan 15 .
- the air from the fan 15 cools the fins 16, passes through the air passages B1 and B2, and is discharged from the first air outlet 23 and the second air outlet 24. be.
- the fins 16 are connected to heat pipes (not shown) arranged inside the housing 14 . Heat generated by a CPU (not shown) in the housing 14 is transferred to the fins 16 through heat pipes. Fins 16 are cooled by air from fan 15 . The air that has cooled the fins 16 is discharged from the housing 14 through the first exhaust port 23 and the second exhaust port 24, thereby cooling the CPU. In this way, it is possible to prevent the electronic device 1 from becoming hot.
- the fins 16 are arranged adjacent to the second exhaust port 24 . Since the fins 16 are adjacent to the second exhaust port 24, the air heated by cooling the fins 16 can be quickly discharged to the outside. By quickly discharging high-temperature air from the second exhaust port 24 , it is possible to prevent high-temperature air from staying inside the housing 14 . Therefore, the heat dissipation performance of the electronic device 1 can be improved.
- FIG. 5 Heat dissipation of the electronic device 1 will be described with reference to FIGS. 5 and 6.
- FIG. The fan 15 rotates about the rotation axis in the Y direction. As the fan 15 rotates, the air outside the housing 14 is drawn into the housing 14 through the intake port 19 . The air taken in is discharged to the outside of the housing 14 from the first exhaust port 23 and the second exhaust port 24 via the airflow paths B1 and B2 by the rotation of the fan 15 . Since the fins 16 are arranged in the airflow paths B1 and B2, the air discharged from the fan 15 cools the fins 16. As shown in FIG. The electronic device 1 dissipates heat by discharging the air heated to a high temperature by cooling the fins 16 through the first exhaust port 23 and the second exhaust port 24 .
- the air passage B1 is a passage from the fan 15 through the fins 16 to the first exhaust port 23 .
- the air passage B2 is a passage from the fan 15 through the fins 16 to the second exhaust port 24 .
- a duct 25 is formed between the fins 16 and the first exhaust port 23 in the air passage B1.
- no duct is formed between the fins 16 and the second exhaust port 24 in the airflow path B2.
- the size of the exhaust ports 23 and 24 in the thickness direction (Y direction) of the electronic device 1 be approximately the same as the size of the fins 16 in the Y direction in order to ensure heat dissipation performance. This is to efficiently discharge the air that has cooled the fins 16 .
- the size of each of the exhaust ports 23 and 24 in the Y direction can be made smaller than the size of the fins 16 in the Y direction. As a result, part of the housing 14 can be formed thin, and the electronic device 1 can be miniaturized.
- the size H1 of the first exhaust port 23 in the Y direction is larger than the size H2 of the second exhaust port 24 in the Y direction.
- the second exhaust port 24 is open across the concave side surface 22 and the second main surface 12 . In this way, since the opening extends from the concave side surface 22 to the second main surface 12, the air can be discharged more efficiently, and the heat radiation efficiency can be improved.
- the air from the fan 15 can be discharged through the two air blast paths B1 and B2. Since the second exhaust port 24 is provided at a position close to the fins 16, the high-temperature air that has cooled the fins 16 can be quickly discharged, and the heat dissipation performance can be improved.
- the flow velocity of the air discharged from the second exhaust port 24 increases. Therefore, the air heated to a high temperature by cooling the fins 16 is discharged from the second exhaust port 24 at a high flow velocity, thereby improving the heat dissipation performance.
- the concave portion 20 on the second main surface 12 of the housing 14, the thickness of a part of the housing 14 can be reduced. Therefore, the electronic device 1 can be miniaturized.
- the concave portion 20 is formed, the duct from the fins 16 inside the housing 14 to the first exhaust port 23 becomes a narrow duct, so that the flow velocity of the air from the fan 15 can be increased. Therefore, high-temperature air can be efficiently discharged from the first exhaust port 23 as well.
- the second exhaust port 24 is open across the second main surface 12 from the concave side surface 22, the air heated to a high temperature by cooling the fins 16 can be efficiently discharged. Heat dissipation performance can be improved.
- the concave surface 21 of the concave portion 20 is formed flat, when the electronic device 1 is placed on a desk or the ground with the second main surface 12 facing downward, the portion where the concave portion 20 is formed will be the first surface. 2 serves as a flow path for the air discharged from the exhaust port 24 . In this way, even when the device is placed on a desk or the ground with the second main surface 12 facing downward, the air from the fan 15 can be efficiently discharged, and the heat dissipation performance can be improved.
- the size of the first exhaust port 23 in the thickness direction of the housing 14 is larger than the size of the second exhaust port 24 . It does not necessarily have to be larger than the size of the second exhaust port 24 .
- the size of the first exhaust port 23 and the size of the second exhaust port 24 may be approximately the same.
- the size of the second exhaust port 24 may be larger than the size of the first exhaust port 23 .
- the concave surface 21 may not be flat.
- the concave surface 21 may be curved, or the concave surface 21 may have concave portions or convex portions.
- the fins 16 are arranged adjacent to the second exhaust port 24 , but the position of the fins 16 is not limited to this. It is sufficient that the fins 16 are arranged so that the second exhaust port 24 is closer to the fins 16 than the first exhaust port 23 is.
- first exhaust port 23 is formed by a plurality of first through holes 23a
- second exhaust port 24 is formed by a plurality of second through holes 24a.
- first exhaust port 23 or the second exhaust port 24 may be formed of a plurality of through holes.
- both of the exhaust ports 23 and 24 may be formed by one through hole.
- the electronic device 1 is a tablet-type terminal having the display unit 10
- the electronic device 1 is not limited to a tablet-type terminal.
- the electronic device 1 may be an electronic device 1 such as a laptop PC or a desktop PC.
- FIG. 7 is an exploded perspective view showing part of an electronic device 1A according to Modification 1 of Embodiment 1.
- FIG. 8 is a cross-sectional perspective view showing part of the electronic device 1A of FIG.
- an antenna 26 is arranged along the concave surface 21 inside the housing 14 .
- a resin component 27 provided with an antenna 26 is arranged along the concave surface 21 inside the housing 14 .
- the antenna 26 can be formed, for example, by plating a resin component 27 .
- the antenna 26 is connected to, for example, a wireless communication module (not shown), and transmits and receives radio waves to and from the outside, thereby connecting the electronic device 1 to a network using functions such as wireless LAN or wireless WAN. Since the antenna 26 is formed of a material with high thermal conductivity such as metal, by arranging the antenna 26 along the concave surface 21, the heat of the air flowing toward the first exhaust port 23 is radiated by the antenna 26. can do. Therefore, the heat dissipation performance of the electronic device 1A can be improved. Further, by arranging the antenna 26 along the concave surface 21 inside the housing 14, deterioration of the performance of the antenna 26 can be suppressed.
- the electronic device 1 when the electronic device 1 is placed on a desk, the floor, or the like with the second main surface 12 of the housing 14 facing downward, a space can be created between the antenna 26 and the desk or the floor.
- interference of radio waves transmitted and received by the antenna 26 can be suppressed, and performance deterioration of the antenna 26 can be suppressed.
- the desk or floor contains metal, performance deterioration of the antenna 26 can be further suppressed.
- the concave surface 21 may be inclined toward the side surface 13 toward the first main surface 11 side.
- the antenna 26 can be arranged with the direction inclined with respect to the second main surface 12 .
- a shield is arranged on the second main surface 12 side of the housing 14, it is possible to suppress deterioration of the radiation characteristics, reception characteristics and/or directivity of the antenna 26.
- a distance D1 between the first exhaust port 23 and the second exhaust port 24 in the Z direction is preferably 10 mm or more.
- the distance D1 between the first exhaust port 23 and the second exhaust port 24 is within this range, it is possible to improve both the characteristics of the antenna 26 and the heat dissipation performance of the electronic device 1A.
- the recess 20 is provided to prevent deterioration of the characteristics of the antenna 26. can be done.
- the present disclosure can be widely applied to electronic devices that use fans and fins to dissipate heat.
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Thermal Sciences (AREA)
- Computer Hardware Design (AREA)
- Human Computer Interaction (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
Description
第1主面と、前記第1主面と反対側の第2主面と、前記第1主面と前記第2主面とを接続する側面と、を有する筐体と、
前記筐体の内部に配置されるファンと、
前記筐体の内部に配置され、前記ファンから送られた空気が通過する送風路と、
前記送風路に配置されるフィンと、を備え、
前記送風路は、前記ファンから前記側面に向かって延びており、
前記筐体は、平面視で前記送風路と重なる位置に、前記第2主面から前記第1主面に向かって窪み、かつ、前記側面に向かって延びる凹部を有し、
前記凹部は、前記第1主面に対向する凹面と、前記送風路の延びる方向において前記側面よりも前記フィンの近くに位置し、かつ、前記第2主面と前記凹面とを接続する凹側面と、を有し、
前記側面は、前記ファンから送られた空気の一部が排出される第1排気口を有し、
前記凹側面は、前記ファンから送られた空気の別の一部が排出される第2排気口を有する。
従来、電子機器の内部の発熱部品の温度を低下させるために、電子機器の内部にファンを配置して、ファンからの送風により内部の熱を電子機器の外部へ放熱する構成が知られている。
第1主面と、前記第1主面と反対側の第2主面と、前記第1主面と前記第2主面とを接続する側面と、を有する筐体と、
前記筐体の内部に配置されるファンと、
前記筐体の内部であって、前記ファンからの空気の送風路に配置されるフィンと、を備え、
前記送風路は、前記ファンから前記側面に向かって延びて形成され、
前記筐体には、平面視で前記送風路と重なる位置に、前記第2主面から前記第1主面に向かって窪み、かつ、前記側面に向かって延びる凹部が設けられ、
前記凹部は、前記第1主面に面する凹面と、前記送風路の延びる方向において前記側面よりも前記フィンの近くに位置し、かつ、前記第2主面と前記凹面とを接続する凹側面と、を有し、
前記側面には、前記ファンからの空気が排出される第1排気口が形成され、
前記凹側面には、前記ファンからの空気が排出される第2排気口が形成される。
前記第2排気口は、複数の第2貫通孔により形成されてもよい。
前記第1主面に表示部を有してもよい。
[全体構成]
図1は、実施の形態1にかかる電子機器1の外観を示す斜視図である。図2は、図1の電子機器1をラップトップ型PCとして使用する場合の概略図である。なお、図に示すX-Y-Z座標系は、実施の形態の理解を容易にするためのものであって、実施の形態を限定するものではない。X-Y-Z座標系において、X軸方向は、電子機器の幅方向であり、Y軸方向は厚さ方向であって、Z方向は奥行き方向である。
筐体14は、図1および図3に示すように、第1主面11と、第2主面12と、第1主面11と第2主面12とを接続する側面13と、を有する。電子機器1は、第1主面11に表示部10を有する。第2主面12は、第1主面11と反対側の面である。電子機器1は、第2主面12に例えばカメラ17およびバッテリーパック18などを有する。また、第2主面12には、ファン15により外部の空気を吸気する吸気口19が形成されている。
ファン15は、図5に示すように、筐体14の内部に吸気口19と重なる位置に配置される。ファン15は、吸気口19から筐体14の外部の空気を取り込み、第1排気口23および第2排気口24に向かって空気を送る。ファン15からの空気により、フィン16が冷却される。ファン15としては、例えばシロッコファンを採用することができる。
フィン16は、ファン15からの空気の送風路Bに配置される。フィン16が送風路Bに配置されることで、ファン15からの空気がフィン16を冷却し、送風路B1および送風路B2を通過して第1排気口23および第2排気口24から排出される。
図5および図6を参照して、電子機器1の放熱について説明する。ファン15は、Y方向の回転軸を中心として回転する。ファン15が回転することで吸気口19から筐体14の外部の空気が筐体14の内部に取り込まれる。取り込まれた空気は、ファン15の回転により、送風路B1および送風路B2を経由して、第1排気口23および第2排気口24から筐体14の外部に排出される。送風路B1、B2にはフィン16が配置されているため、ファン15から排出された空気はフィン16を冷却する。フィン16を冷却して高温になった空気が、第1排気口23および第2排気口24から排出されることで、電子機器1が放熱される。
上述した実施の形態によると、放熱性能を向上しつつ小型化した電子機器を提供することができる。
図7は、実施の形態1の変形例1にかかる電子機器1Aの一部を示す分解斜視図である。図8は、図7の電子機器1Aの一部を示す断面斜視図である。
10 表示部
11 第1主面
12 第2主面
13 側面
14 筐体
15 ファン
16 フィン
20 凹部
21 凹面
22 凹側面
23 第1排気口
23a 第1貫通孔
24 第2排気口
24a 第2貫通孔
26 アンテナ
Claims (10)
- 第1主面と、前記第1主面と反対側の第2主面と、前記第1主面と前記第2主面とを接続する側面と、を有する筐体と、
前記筐体の内部に配置されるファンと、
前記筐体の内部に配置され、前記ファンから送られた空気が通過する送風路と、
前記送風路に配置されるフィンと、を備え、
前記送風路は、前記ファンから前記側面に向かって延びており、
前記筐体は、平面視で前記送風路と重なる位置に、前記第2主面から前記第1主面に向かって窪み、かつ、前記側面に向かって延びる凹部を有し、
前記凹部は、
前記第1主面に対向する凹面と、
前記送風路の延びる方向において前記側面よりも前記フィンの近くに位置し、かつ、前記第2主面と前記凹面とを接続する凹側面と、を有し、
前記側面は、前記ファンから送られた空気の一部が排出される第1排気口を有し、
前記凹側面は、前記ファンから送られた空気の別の一部が排出される第2排気口を有する、
電子機器。 - 前記筐体の厚み方向において、前記第1排気口の大きさは前記第2排気口の大きさよりも大きい、
請求項1に記載の電子機器。 - 前記第2排気口は、前記凹側面から前記第2主面に跨って開口している、
請求項1または2に記載の電子機器。 - 前記凹面は、平坦に形成される、
請求項1から3のいずれか1項に記載の電子機器。 - 前記筐体の内部において、前記凹面に沿って配置されたアンテナをさらに備える、
請求項1から4のいずれか1項に記載の電子機器。 - 前記凹面は、前記側面に向かって前記第1主面側に傾斜している、
請求項5に記載の電子機器。 - 前記フィンは、前記第2排気口に隣接して配置される、
請求項1から6のいずれか1項に記載の電子機器。 - 前記第1排気口は、複数の第1貫通孔を有し、
前記第2排気口は、複数の第2貫通孔を有する、
請求項1から7のいずれか1項に記載の電子機器。 - 前記複数の第1貫通孔の各々の大きさは、前記複数の第2貫通孔の各々の大きさよりも大きい、
請求項8に記載の電子機器。 - さらに、
前記第1主面に配置された表示部を備える、
請求項1から9のいずれか1項に記載の電子機器。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202180094501.9A CN116982015A (zh) | 2021-02-26 | 2021-12-16 | 电子设备 |
JP2023502095A JPWO2022181001A1 (ja) | 2021-02-26 | 2021-12-16 | |
EP21928094.8A EP4300257A1 (en) | 2021-02-26 | 2021-12-16 | Electronic device |
US18/230,621 US20230384844A1 (en) | 2021-02-26 | 2023-08-05 | Electronic device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021029418 | 2021-02-26 | ||
JP2021-029418 | 2021-02-26 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US18/230,621 Continuation US20230384844A1 (en) | 2021-02-26 | 2023-08-05 | Electronic device |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022181001A1 true WO2022181001A1 (ja) | 2022-09-01 |
Family
ID=83048066
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2021/046470 WO2022181001A1 (ja) | 2021-02-26 | 2021-12-16 | 電子機器 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20230384844A1 (ja) |
EP (1) | EP4300257A1 (ja) |
JP (1) | JPWO2022181001A1 (ja) |
CN (1) | CN116982015A (ja) |
WO (1) | WO2022181001A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI829546B (zh) * | 2022-09-27 | 2024-01-11 | 神基科技股份有限公司 | 電子裝置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011067860A1 (ja) * | 2009-12-04 | 2011-06-09 | 富士通株式会社 | 電子機器 |
JP2015053330A (ja) | 2013-09-05 | 2015-03-19 | 富士通株式会社 | 電子機器 |
WO2018123119A1 (ja) * | 2016-12-26 | 2018-07-05 | パナソニックIpマネジメント株式会社 | 電子機器 |
JP2020188033A (ja) * | 2019-05-09 | 2020-11-19 | レノボ・シンガポール・プライベート・リミテッド | 熱輸送装置および電子機器 |
-
2021
- 2021-12-16 WO PCT/JP2021/046470 patent/WO2022181001A1/ja active Application Filing
- 2021-12-16 CN CN202180094501.9A patent/CN116982015A/zh active Pending
- 2021-12-16 JP JP2023502095A patent/JPWO2022181001A1/ja active Pending
- 2021-12-16 EP EP21928094.8A patent/EP4300257A1/en active Pending
-
2023
- 2023-08-05 US US18/230,621 patent/US20230384844A1/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011067860A1 (ja) * | 2009-12-04 | 2011-06-09 | 富士通株式会社 | 電子機器 |
JP2015053330A (ja) | 2013-09-05 | 2015-03-19 | 富士通株式会社 | 電子機器 |
WO2018123119A1 (ja) * | 2016-12-26 | 2018-07-05 | パナソニックIpマネジメント株式会社 | 電子機器 |
JP2020188033A (ja) * | 2019-05-09 | 2020-11-19 | レノボ・シンガポール・プライベート・リミテッド | 熱輸送装置および電子機器 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI829546B (zh) * | 2022-09-27 | 2024-01-11 | 神基科技股份有限公司 | 電子裝置 |
Also Published As
Publication number | Publication date |
---|---|
US20230384844A1 (en) | 2023-11-30 |
CN116982015A (zh) | 2023-10-31 |
JPWO2022181001A1 (ja) | 2022-09-01 |
EP4300257A1 (en) | 2024-01-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US8717762B2 (en) | Electronic apparatus and cooling fan | |
US8238100B2 (en) | Centrifugal fan and electronic apparatus | |
KR20050027937A (ko) | 냉각 장치 및 전자 기기 | |
TW201814428A (zh) | 電子設備 | |
JP2006147618A (ja) | 冷却装置および放熱体 | |
TWI709363B (zh) | 手持式電子裝置 | |
US20230384844A1 (en) | Electronic device | |
CN110597356A (zh) | 一种笔记本计算机 | |
KR20040044705A (ko) | 전기전자기기의 냉각장치 및 이를 장착한 전기전자기기 | |
JP2001015969A (ja) | 冷却装置 | |
US6830429B2 (en) | Small cooling fan | |
JP5117287B2 (ja) | 電子機器の冷却装置 | |
JP4843737B2 (ja) | 電子機器 | |
US12019486B2 (en) | Heat sink, cooling module, electronic apparatus, and method of manufacturing heat sink | |
JP2013251452A (ja) | 電子機器 | |
JP2004140061A (ja) | 冷却モジュール | |
CN211349137U (zh) | 一种笔记本计算机 | |
JP2007281214A (ja) | 冷却装置及びそれを備えた電子機器 | |
JP6768872B2 (ja) | 電子機器 | |
WO2022249878A1 (ja) | 放熱構造および電子機器 | |
JP7348994B1 (ja) | 電子機器 | |
TW201407314A (zh) | 電子裝置及散熱模組 | |
JP4640429B2 (ja) | 小型冷却ファン | |
TW201424552A (zh) | 散熱裝置 | |
WO2020148898A1 (ja) | 電子機器 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 21928094 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2023502095 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 202180094501.9 Country of ref document: CN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2021928094 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 2021928094 Country of ref document: EP Effective date: 20230926 |