JP7250086B1 - Electronics - Google Patents

Abstract

Kind Code: A1 An electronic device capable of suppressing an increase in the temperature of a housing and a decrease in performance is provided. A clamshell electronic device includes a first housing, a second housing, a keyboard device provided on the upper surface side of the first housing, and a keyboard on the upper side of the bottom plate in the first housing. A first intake port is formed on the bottom surface, a second intake port is formed on the top surface, and an exhaust port is formed on the first side surface. A fan device having a side face facing the standing wall is provided. Further, the electronic device includes a first opening formed in the bottom plate and facing the first air inlet, a second opening penetrating the keyboard device and facing the second air inlet, and a fan device formed in the upright wall. A third opening facing the second side. [Selection drawing] Fig. 6

Description

The present invention relates to electronic equipment having a fan device.

The present applicant has proposed that an electronic device such as a notebook PC has an opening vertically penetrating the keyboard device and an opening provided in the bottom plate of the housing. A configuration for sucking outside air has been proposed (see Patent Document 1).

Japanese Patent No. 6846547

Electronic devices such as those described above may be used in a usage mode in which the display housing is closed and an external display is used. Such a use mode is called lid closed mode or clamshell mode. However, in the lid closed mode, since the keyboard device is covered with the display housing, air cannot be drawn through the opening of the keyboard device. As a result, there is a concern that the electronic device may cause problems such as an increase in the temperature of the housing and deterioration in performance.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an electronic device capable of suppressing an increase in the temperature of the housing, a decrease in performance, and the like.

An electronic device according to a first aspect of the present invention is a clamshell type electronic device, which has a bottom plate and a standing wall provided to stand up from the edge of the bottom plate, and a heating element is mounted inside. a first housing connected to the first housing using a hinge so as to be relatively rotatable and mounted with a display; and a second housing provided on the upper surface side of the first housing. and a keyboard device provided in the first housing above the bottom plate and below the keyboard device. a fan device in which an exhaust port is formed on a first side surface and a second side surface adjacent to the first side surface faces the vertical wall; a first opening that allows air to pass from the lower part of the body to the first air inlet; and a first opening that passes through the keyboard device to face the second air inlet and from the upper part of the keyboard device to the second air inlet. a second opening through which air passes; and a third opening formed in the vertical wall, facing the second side surface of the fan device, through which air passes from the side of the first housing to the second intake port. an opening;

According to one aspect of the present invention, it is possible to suppress an increase in the temperature of the housing, a decrease in performance, and the like.

FIG. 1 is a schematic plan view looking down on an electronic device according to an embodiment. FIG. 2 is a plan view schematically showing the internal structure of the first housing. FIG. 3 is a perspective view of the first housing from which the keyboard device has been removed, as viewed obliquely from above. FIG. 4 is a perspective view of the fan device and cooling fins. FIG. 5 is an enlarged side view of a portion adjacent to the fan device on the side surface of the first housing. FIG. 6 is a schematic cross-sectional view along line VI-VI in FIG.

BEST MODE FOR CARRYING OUT THE INVENTION An electronic device according to the present invention will be described in detail below with reference to preferred embodiments and with reference to the accompanying drawings.

FIG. 1 is a schematic plan view looking down on an electronic device 10 according to an embodiment. As shown in FIG. 1, the electronic device 10 is a clamshell notebook PC in which a first housing 12 and a second housing 14 are connected by a hinge 16 so as to be relatively rotatable. It's called a station.

The second housing 14 is a thin flat box. A display 18 is mounted on the second housing 14 . The display 18 is composed of organic EL or liquid crystal, for example.

Hereinafter, regarding the first housing 12 and each element mounted therein, based on the posture of operating the keyboard device 20 shown in FIG. (The thickness direction of the first housing 12) will be referred to as up and down for explanation.

The first housing 12 is a thin flat box. The first housing 12 has a cover member 21 forming an upper surface 12a, and a cover member 22 forming a lower surface 12b and four side surfaces 12c to 12f.

The lower cover member 22 is composed of a bottom plate 22a that forms the lower surface 12b of the first housing 12, and four vertical walls 22b to 22e that rise from the four peripheral edges of the bottom plate 22a to form side surfaces 12c to 12f. It is Thereby, the cover member 22 has a substantially bathtub shape with an open upper surface. The upper cover member 21 has a substantially flat plate shape and serves as a cover plate that closes the upper opening of the cover member 22 . The cover members 21 and 22 are overlapped in the thickness direction and detachably connected to each other. The cover member 21 may have a bathtub shape and the cover member 22 may have a flat plate shape. In this case, the standing walls 22b to 22e are preferably provided on the upper cover member 21. As shown in FIG.

A keyboard device 20 and a touch pad 24 are provided on the upper surface 12 a of the first housing 12 . The keyboard device 20 covers most of the top surface 12a. The rear end of the first housing 12 is connected to the second housing 14 using a hinge 16 .

FIG. 2 is a plan view schematically showing the internal structure of the first housing 12 , and is a schematic cross-sectional plan view of the first housing 12 cut slightly below the keyboard device 20 . FIG. 3 is a perspective view of the first housing 12 from which the keyboard device 20 has been removed, as viewed obliquely from above.

As shown in FIG. 2 , a cooling module 26 , a motherboard 28 , a sub-board 29 , and a battery device 33 are provided inside the first housing 12 . Various electronic components, mechanical components, and the like are further provided inside the first housing 12 .

Motherboard 28 is the main board of electronic device 10 . The mother board 28 is a printed circuit board on which various electronic components such as a communication module, memory, connection terminals, etc. are mounted in addition to a CPU (Central Processing Unit) 30 . The motherboard 28 is arranged under the keyboard device 20 and screwed to the back surface of the keyboard device 20 and the inner surface of the cover member 21 . The motherboard 28 has an upper surface that serves as a mounting surface for the cover member 21 and a lower surface that serves as a mounting surface for the CPU 30 and the like. The CPU 30 is a processing device that performs calculations related to main control and processing of the electronic device 10 .

The sub-board 29 is an expansion card having an outer shape smaller than that of the motherboard 28 . The sub-board 29 is a printed circuit board on which a GPU (Graphics Processing Unit) 31 and various electronic components such as power components are mounted. The sub-board 29 is stacked on the mounting surface of the mother board 28 and connected to the mother board 28 by a connector. The sub-board 25 has an upper surface that serves as an attachment surface to the mounting surface of the motherboard 28 and a lower surface that serves as a mounting surface for the GPU 31 and the like. The GPU 31 is a processing device that performs calculations necessary for rendering images such as 3D graphics. The sub-board 29 may be omitted and the GPU 31 may be mounted on the motherboard 28 .

The battery device 33 is a rechargeable battery that serves as a power source for the electronic device 10 . The battery device 33 is arranged in front of the motherboard 28 and extends left and right along the front end portion of the first housing 12 .

The CPU 30 and GPU 31 are the largest heating elements among the devices mounted on the electronic device 10 . The cooling module 26 is a device that absorbs heat generated by the CPU 30 and the GPU 31 , transports it, and discharges it to the outside of the first housing 12 . The cooling module 26 can also discharge heat generated by semiconductor chips and the like other than the CPU 30 and GPU 31 to the outside of the first housing 12 . The cooling module 26 is stacked on the lower surfaces of the motherboard 28 and the sub-board 29 (under the mounting surface of the CPU 30 and GPU 31).

As shown in FIG. 3, the cover member 21 forming the upper surface 12a of the first housing 12 has a shallow bathtub-shaped concave portion 32 formed therein. The concave portion 32 is a portion in which the keyboard device 20 is arranged, and has a shape that allows the keyboard device 20 to be accommodated with almost no gap. The lower surface 20a of the keyboard device 20 is placed on the bottom surface 32a of the recess 32 (see FIG. 6) and fixed with screws. The keyboard device 20 is thereby installed on the upper surface 12 a of the first housing 12 . Instead of the concave portion 32, the cover member 21 may have an opening through which the keyboard device 20 is inserted from below and exposed to the upper surface 12a.

The keyboard device 20 has a plurality of key switches 34 . The keyboard device 20 is an isolation type keyboard device in which a key top 34 a serving as an operation surface of each key switch 34 is partitioned by a frame 35 . The frame 35 is made of resin, metal, or the like. The frame 35 is a mesh-like frame. The frame 35 may be integrally molded with the cover member 21 . The frame 35 has a plurality of holes 35a into which the key tops 34a are vertically movable.

Next, the configuration of the cooling module 26 and its surroundings will be described.

As shown in FIG. 2, the cooling module 26 includes a pair of vapor chambers 36, 37, a pair of heat pipes 38, 39, a pair of cooling fins 40, 41, and a pair of fan devices 42, 43. .

Vapor chambers 36 and 37 are plate-type heat transport devices. The vapor chambers 36 and 37 are formed by forming a closed space between two thin metal plates and enclosing a working fluid in this closed space. The vapor chambers 36 and 37 move the working fluid while causing a phase change in the sealed space to perform highly efficient heat transport, and may have a known configuration. One vapor chamber 36 is arranged to cover the CPU 30, for example. The other vapor chamber 37 is arranged to cover the GPU 31, for example. Reference numerals 46 and 47 in FIG. 2 denote frames for preventing deformation of the vapor chambers 36 and 37 .

The heat pipes 38 and 39 are pipe-shaped heat transport devices. Each of the heat pipes 38 and 39 is used in a set of one or two or more. The heat pipes 38 and 39 are formed by flattening a metal pipe into a thin and flat cross-sectional shape, and a working fluid is enclosed in a closed space formed in the metal pipe. The heat pipes 38 and 39 move the working fluid while causing a phase change in the sealed space to perform highly efficient heat transport, and may have a known configuration. The heat pipes 38, 39 extend while appropriately curving on the lower side of the vapor chambers 36, 37 and the cooling fins 40, 41. As shown in FIG. One heat pipe 38 is arranged, for example, at a position where the heat absorbing portion overlaps with the CPU 30, and the heat radiating portion is connected to each of the cooling fins 40 and 41. As shown in FIG. The other heat pipe 39 is arranged, for example, at a position where the heat absorbing portion overlaps with the GPU 31 , and the heat radiating portion is connected to the cooling fins 41 .

The cooling fins 40 and 41 have a structure in which a plurality of plate-shaped metal fins are arranged at equal intervals in the horizontal direction on the surface of the plate. Each fin stands vertically and extends in the front-rear direction. Between the adjacent fins, gaps are formed through which the air sent from the fan devices 42 and 43 passes. One cooling fin 40 is arranged near the left rear corner of the first housing 12 and extends along the left-right direction. The other cooling fin 41 is arranged near the right rear corner of the first housing 12 and extends along the left-right direction.

4 is a perspective view of the fan device 42 and the cooling fins 40. FIG. FIG. 5 is an enlarged side view of a portion adjacent to the fan device 42 on the side surface 12e of the first housing 12. As shown in FIG. FIG. 6 is a schematic cross-sectional view along line VI-VI in FIG. 4 and 5 show the configuration of the left fan device 42 and its surroundings, while the configuration of the right fan device 43 and its surroundings are different in shape and size from those shown in FIGS. The structure is basically symmetrical, except for a slight difference in height.

As shown in FIGS. 2, 4 and 6, the fan devices 42 and 43 each include a fan housing 50, a rotating section 51, and an impeller 52. As shown in FIG. The fan devices 42 and 43 are centrifugal fans in which an impeller 52 provided on the outer peripheral side of the rotating portion 51 is rotated by a motor. One fan device 42 is arranged immediately before the cooling fins 40 arranged near the left rear corner of the first housing 12 . The other cooling fin 41 is arranged immediately before the cooling fin 41 arranged near the right rear corner of the first housing 12 .

The fan housing 50 is a flat box that houses the rotating portion 51 and the impeller 52 . The fan housing 50 has a lower plate 50A, an upper plate 50B, and side plates 50C. Each plate 50A-50C is a metal plate or a resin plate.

The lower plate 50A is a substantially bullet-shaped thin plate obtained by forming one side of a rectangular plate into a circular shape. The lower plate 50A forms the lower surfaces 50a of the fan devices 42 and 43. As shown in FIG. A first intake port 54 is formed in the lower plate 50A. The first intake port 54 is, for example, a through hole having a circular shape, a doughnut shape, or a shape in which a plurality of ellipses are arranged in the circumferential direction.

The upper plate 50B is a thin plate having the same outer shape as the lower plate 50A. The upper plate 50B forms the upper surface 50b of the fan devices 42,43. A second intake port 55 is formed in the upper plate 50B. The second inlet 55 may have the same or similar shape as the first inlet 54 . The intake ports 54 and 55 are openings for taking in air outside the fan housing 50 by the rotation of the impeller 52 .

The side plate 50C is a curved plate that covers the sides of the internal space of the fan housing 50 formed between the lower plate 50A and the upper plate 50B. 50 C of side plates of this embodiment are comprised integrally with the upper plate 50B. The side plate 50C may be configured integrally with the lower plate 50A, or may be configured separately from the lower plate 50A and the upper plate 50B.

The fan devices 42 and 43 do not have the side plate 50C on the first side surface 50c of the fan housing 50 facing the cooling fins 40 and 41, or the side plate 50C has an opening. As a result, the first side surface 50 c becomes the exhaust port 56 of the fan devices 42 and 43 .
The exhaust port 56 is arranged to face the cooling fins 40 and 41 . The cooling fins 40 and 41 are thermally connected to the CPU 30 and GPU 31 via heat pipes 38 and 39 . The fan devices 42 and 43 discharge the heat of the CPU 30 and the like carried by the heat pipes 38 and 39 to the outside by blowing air from the exhaust port 56 . The rear side surface 12 d of the first housing 12 has openings at positions facing the cooling fins 40 and 41 through which air from the air outlet 56 is discharged.

As shown in FIG. 6, the fan devices 42 and 43 are accommodated between the inner surface 22a1 of the bottom plate 22a forming the lower surface 12b and the lower surface 20a of the keyboard device 20. As shown in FIG. In this embodiment, a cover member 21 (a plate forming the bottom surface 32a of the recess 32) is arranged directly below the keyboard device 20. As shown in FIG. Therefore, the fan devices 42 and 43 are, more specifically, arranged between the cover member 21 and the bottom plate 22a. If an opening into which the keyboard device 20 is inserted is provided instead of the recess 32, the fan devices 42 and 43 are substantially sandwiched between the bottom plate 22a and the keyboard device 20. FIG.

As shown in FIG. 6, a first opening 58 is formed in the bottom plate 22a. The first opening 58 is an opening for introducing air A<b>1 into the first housing 12 from the lower portion of the first housing 12 . The first opening 58 has, for example, a configuration in which a plurality of slit-like holes are arranged side by side. The first opening 58 is provided at a position that overlaps the first intake port 54 of the fan devices 42 and 43 in plan view, and faces the same.

As shown in FIG. 6, the keyboard device 20 includes a plurality of key switches 34 and a laminated plate 60. As shown in FIG.

Each key switch 34 moves up and down while a key top 34a is supported by a guide mechanism 34b and a rubber dome. The guide mechanism 34b is a scissor mechanism that connects between the lower surface of the key top 34a and the upper surface of the laminated plate 60. As shown in FIG. A rubber dome is a dome-shaped member made of a flexible elastic material such as silicone rubber. The rubber dome is arranged in the center of the guide mechanism 34b and interposed between the key top 34a and the laminated plate 60. As shown in FIG.

The laminated plate 60 has, for example, a metal base plate, a membrane sheet laminated on the upper surface of the base plate, and a light guide plate or waterproof sheet laminated on the lower surface of the base plate. The membrane sheet is, for example, a three-layer switch sheet that closes the contacts when pressed. The contact is closed by a rubber dome that is compressed when the key top 34a is pushed down. The light guide plate is a transparent resin plate that guides the light emitted by the light source attached to the lower surface 20a in the horizontal direction, reflects the light on the light reflecting surface, and illuminates the key tops 34a from the back surface.

As shown in FIG. 6, the electronic device 10 has a second opening 62 for allowing air A2 to flow from the upper portion of the keyboard device 20 to the second air inlet 55 .

The second opening 62 has a hole 62a that vertically penetrates the keyboard device 20 and a hole 62b that penetrates the bottom surface 32a of the recess 32 of the cover member 21 . The holes 62a and 62b overlap each other in the vertical direction. The second opening 62 is provided at a position overlapping the second intake port 55 of the fan devices 42 and 43 in a plan view, and faces the same.

The hole portion 62a is formed by sequentially connecting the gap between the adjacent key tops 34a, 34a, the notch-shaped concave portion 35b, and the hole portion 60a from top to bottom. The notched recess 35b is formed by notching the lower surface of the frame 35 to form a flow path for the air A2. The hole portion 60 a is formed through the laminate plate 60 .

The hole 62b is formed in the bottom surface 32a of the recess 32 on which the keyboard device 20 is placed. The hole portion 62b is a through hole penetrating the inside and outside of the first housing 12 . The hole portion 62b allows the hole portion 62a of the keyboard device 20 and the second intake ports 55 of the fan devices 42 and 43 to communicate with each other. If the cover member 21 is not installed under the keyboard device 20, the second opening 62 is composed only of the hole 62a.

Therefore, as shown in FIG. 6, the fan devices 42 and 43 suck the air A1 from the lower side of the first housing 12 through the first opening 58 of the bottom plate 22a and the first intake port . At the same time, the fan devices 42 and 43 draw in the air A2 from the upper side of the first housing 12 through the second opening 62 and the second intake port 55 . The fan devices 42 and 43 air-cool the cooling fins 40 and 41 when the air A1 and A2 sucked from the air intake ports 54 and 55 are discharged from the air outlet 56 to the outside of the first housing 12 (see FIG. 2). As a result, the fan devices 42 and 43 can sufficiently take in air from the upper and lower surfaces of the first housing 12, and high cooling efficiency can be obtained.

By the way, the clamshell electronic device 10 may be used in a use mode in which an external display is used in a state where the second housing 14 is closed by overlapping the upper surface 12a of the first housing 12, that is, in a so-called lid-closed mode. be.

However, in such a lid-closed mode, the upper surface of the keyboard device 20 is covered with the second housing 14 (see the second housing 14 indicated by the chain double-dashed line in FIG. 6). In this case, in the electronic device 10 , the second opening 62 hardly functions, and only the air A1 from the first opening 58 is introduced into the fan devices 42 and 43 . As a result, the cooling performance of the cooling module 26 is significantly degraded, so the temperature of the first housing 12 is increased, and there is concern that the performance of the CPU 30 and GPU 31 may be degraded.

Therefore, the electronic device 10 of the present embodiment has a structure that allows the fan devices 42 and 43 to secure a sufficient amount of intake air even in the lid closed mode. That is, the electronic device 10 has the third openings 64 on the side surfaces 12e and 12f adjacent to the fan devices 42 and 43, respectively.

As shown in FIGS. 2 to 6, the third opening 64 includes a vertical wall 22d that closely faces the second side surface 50d of the fan device 42 and a vertical wall that closely faces the second side surface 50d of the fan device 43. 22e and 22e, respectively. The third opening 64 has, for example, a configuration in which a plurality of slit-like holes are arranged side by side.

Here, since the left fan device 42 is arranged at the left rear corner of the first housing 12, the left second side 50d adjacent to the first side 50c serving as the exhaust port 56 faces the standing wall 22d. . Since the right fan device 43 is arranged at the right rear corner of the first housing 12, the right second side 50d adjacent to the first side 50c serving as the exhaust port 56 faces the standing wall 22e. Therefore, the third opening 64 is formed at a position facing the second side surface 50d of the standing walls 22d and 22e. The third opening 64 is an opening for introducing air from the side of the first housing 12 . The third opening 64 forms an introduction path for air A3 that communicates with the second intake ports formed in the upper surfaces 50b of the fan devices 42 and 43 (see FIGS. 2 and 6).

That is, the third openings 64 face the second side surfaces 50 d of the fan devices 42 and 43 . Therefore, the air A3 introduced from the third opening 64 smoothly flows into the gap G between the upper surface 50b of the fan devices 42 and 43 and the lower surface 32b of the cover member 21 forming the bottom surface 32a of the recess 32. (See Figure 6). Therefore, if the third opening 64 is formed at least at a position facing the gap G, the air A3 can be more smoothly introduced into the second intake port 55 . Also, the third opening 64 faces the second side surfaces 50d of the fan devices 42 and 43 . Therefore, the air A3 flows along the second side surface 50d and flows into the gap G more smoothly.

As a result, the electronic device 10 can effectively use the second air inlets 55 of the fan devices 42 and 43 through the third opening 64 even in the lid closed mode in which the second opening 62 is closed. . Therefore, the electronic device 10 can suppress performance deterioration of the cooling module 26 even in the lid-closed mode, and can suppress temperature rise and performance deterioration of the first housing 12 regardless of the usage mode.

By the way, the second opening 62 penetrates the upper surface 12 a of the electronic device 10 . Therefore, for example, if a user accidentally spills a liquid such as a drink on the keyboard device 20, there is a concern that the second opening 62 will become a liquid flow path and the inside of the first housing 12 will be flooded. Therefore, the electronic device 10 may be configured to include water stop materials 66 and 67 as a waterproof structure for preventing water from entering the boards 28 and 29 and other electronic components in the first housing 12 .

The water stop materials 66 and 67 may be made of any material as long as it exhibits a predetermined water stop effect, but is preferably made of a flexible material. In this embodiment, as the water stop materials 66 and 67, a sponge-like member called an airtight and waterproof packing is used, which is made by attaching an adhesive tape to one surface of a foam such as EPDM.

As shown in FIG. 6, the water stop material 66 is interposed between the lower surfaces 50a of the fan devices 42 and 43 and the inner surface 22a1 of the bottom plate 22a, and adheres to both surfaces. Thereby, the water stop material 66 forms a water stop wall between the first opening 58 and the first air inlet 54 and the motherboard 28 and the like inside the first housing 12 . Specifically, the water stop material 66 is formed in a ring shape surrounding the outer peripheral edge portions of the first opening portion 58 and the first intake port 54 . As a result, the water stop material 66 smoothly discharges the liquid that has passed through the first intake port 54 from the inside of the fan housing 50 to the first opening 58 , thereby preventing the liquid from leaking into the first housing 12 . To prevent.

The water stop material 67 is interposed between the upper surface 50b of the fan devices 42 and 43 and the lower surface 32b of the recess 32 and adheres to both. If an opening into which the keyboard device 20 is inserted is provided instead of the concave portion 32 and the cover member 21 is not installed under the keyboard device 20, the water stop material 67 has the upper surface 50b and the lower surface of the keyboard device 20. 20a and adheres to both surfaces. Thereby, the water stop material 67 forms a water stop wall between the second opening 62 and the second air inlet 55 and the motherboard 28 and the like inside the first housing 12 . Specifically, the water stop material 67 is formed in a ring shape surrounding the outer peripheral edges of the second opening 62 and the second intake port 55 . As a result, the water stop material 67 smoothly guides the liquid that has flowed into the first housing 12 through the second opening 62 to the second intake port 55, and prevents the liquid from leaking into the first housing 12. To prevent.

However, if the water stop material 67 completely surrounds the second air intake port 55 of the fan devices 42 and 43, it impedes the flow of the air A3 from the third opening 64 to the second air intake port 55. It will be. This is because the path from the third opening 64 to the second intake port 55 is blocked. Therefore, the water stop material 67 has a notch portion 67a obtained by notching a portion of the portion surrounding the second air inlet 55. As shown in FIG.

As shown in FIGS. 4 and 6 , the notch 67 a has a shape obtained by notching a portion of the water stop material 67 facing the third opening 64 . In other words, the water stop material 67 does not have a complete ring shape in the portion surrounding the second intake port 55, but has a substantially C shape. As a result, the air A3 from the third opening 64 is smoothly introduced into the second intake port 55 through the notch 67a. On the other hand, even if the liquid that has flowed into the first housing 12 through the second opening 62 passes through the notch 67a, it smoothly flows out of the first housing 12 through the third opening 64 immediately before it. Ejected.

As shown in FIGS. 2, 4 and 6, the electronic device 10 of the present embodiment may further include a sealing material 70 on the second side surfaces 50d of the fan devices 42 and 43. FIG. The sealing material 70 has a function of improving the efficiency of introducing the air A3 from the third opening 64 and a function of improving the efficiency of discharging the liquid to the third opening 64 . The seal material 70 may be made of sponge or the like having the same or similar properties as those of the water stop materials 66 and 67 .

The sealing material 70 is interposed between the second side surfaces 50d of the fan devices 42, 43 and the inner surfaces of the standing walls 22d, 22e, and adheres to both. The seal member 70 has a pair of vertical members 70a and 70b and a horizontal member 70c. As shown in FIG. 4, the vertical members 70a and 70b are configured in the shape of bars extending in the vertical direction, and are arranged so as to straddle the notch 67a. The horizontal member 70c is provided so as to connect the lower portions of the vertical members 70a and 70b, and extends in the front-rear direction orthogonal to the vertical members 70a and 70b. Therefore, the sealing member 70 has a substantially U shape as a whole.

Therefore, in the electronic device 10 , the passage of the air A<b>3 communicating from the third opening 64 to the second intake port 55 through the notch 67 a is configured like a duct by the waterproof material 67 and the sealing material 70 . As a result, the introduction of the air A3 from the third opening 64 to the second intake port 55 becomes smoother. More specifically, the duct includes a third opening 64, a sealing material 70, second side surfaces 50d of the fan devices 42 and 43, a water stop material 67 having cutouts 67a, and a cover member 21. (or the lower surface 20a of the keyboard device 20).

Further, even if the liquid that has flowed into the first housing 12 through the second opening 62 passes through the notch 67a, it is smoothly discharged from the third opening 64 through this duct. 4 and 6, depending on the internal structure of the first housing 12, the standing walls 22d and 22e and the second side surface 50d may replace the horizontal member 70c of the sealing member 70. As shown in FIG. Therefore, the seal member 70 should have at least the longitudinal members 70a and 70b.

It goes without saying that the present invention is not limited to the above-described embodiments, and can be freely modified without departing from the gist of the present invention.

For example, one of the fan devices 42 and 43 may be provided. In this case, the third opening 64 may be formed only in one of the vertical walls 22d and 22e facing the second side surface 50d of the fan device. Further, the fan devices 42 and 43 may be horizontally arranged with the exhaust port 56 (first side surface 50c) opposed to the left and right standing walls 22d and 22e. In this case, the third opening 64 may be formed in the rear vertical wall 22c facing the second side surface 50d.

REFERENCE SIGNS LIST 10 electronic device 12 first housing 14 second housing 18 display 20 keyboard device 22a bottom plate 22b to 22e vertical wall 26 cooling module 30 CPU
31 GPUs
42, 43 fan device 50d second side surface 54 first intake port 55 second intake port 58 first opening 62 second opening 64 third opening 66, 67 water stop material 67a notch 70 sealing material

Claims (3)

A clamshell electronic device,
a first housing having a bottom plate and standing walls provided to stand up from the edge of the bottom plate, and having a heating element mounted therein;
a second housing that is relatively rotatably connected to the first housing using a hinge and that mounts a display;
a keyboard device provided on the upper surface side of the first housing;
It is provided above the bottom plate and below the keyboard device in the first housing, and has a first intake port on the bottom surface, a second intake port on the top surface, and a first side surface. a fan device in which an exhaust port is formed and a second side surface adjacent to the first side surface faces the standing wall;
a first opening formed in the bottom plate, facing the first air inlet, and allowing air to pass from a lower portion of the first housing to the first air inlet;
a second opening that penetrates the keyboard device and faces the second air inlet, and allows air to pass from an upper portion of the keyboard device to the second air inlet;
a third opening formed in the standing wall, facing the second side surface of the fan device, and allowing air to pass from a side portion of the first housing to the second intake port;
with
Furthermore, a waterproof material interposed between the upper surface of the fan device and the lower surface of the keyboard device or a member installed below the lower surface,
The water stop material is provided so as to surround the second air inlet and has a notch in a portion facing the third opening,
the third opening and the second intake port are communicated through the notch,
further comprising a sealing material interposed between the second side surface of the fan device and the inner surface of the standing wall,
An air path that communicates from the third opening through the notch to the second intake port is formed in a duct shape by the sealing material and the water stop material.
An electronic device characterized by: The electronic device according to claim 1 ,
The electronic device, wherein the seal member has a pair of longitudinal members extending in the vertical direction and provided to straddle the notch. The electronic device according to claim 2 ,
The electronic device, wherein the seal member further includes a horizontal member provided to connect lower portions of the pair of vertical members and extending in a direction perpendicular to the vertical members.

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