JP2011181742A - Electronic apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve a design property by lowering the recognizability of an internal structure disposed inside an outer casing. <P>SOLUTION: An outer casing 2 has an upper surface portion 3. An internal structure 14 has a circuit substrate 16 that generates heat when driven and electronic components 18, 18, ..., and is disposed inside the outer casing 2. On the upper surface portion 3 of the outer casing 2, heat dissipating holes 7, 7, ... are formed to communicate with the inside of the outer casing 2. Inside the heat dissipating holes 7, level difference surfaces 11, 11, ... are formed to face the same direction as the direction that an upper surface 3a of the upper surface portion 3 faces. The glossiness of the level difference surfaces 11, 11, ... is made higher than the glossiness of the upper surface 3a of the upper surface portion 3. As a result, when a person sees the upper surface portion 3, the level difference surfaces 11, 11, ... with high glossiness come in a view, which lowers the recognizability of the inside of the outer casing to make the internal structure 14 hard to be seen. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to the technical field of electronic equipment. Specifically, the present invention relates to a technical field in which a stepped surface having a higher gloss than the outer surface of the heat radiating hole forming surface portion is formed in the heat radiating hole to reduce the visibility of the internal structure disposed inside the outer casing.

  Various electronic devices such as an audio recording / reproducing device, an image recording / reproducing device, an imaging device, a portable terminal device, an information processing device, and a network communication device have a predetermined internal structure arranged inside an outer casing. .

  In such an electronic device, a circuit board and various electronic components mounted on the circuit board are provided as a part of the internal structure. During driving, these circuit boards and electronic components generate heat, and the external The temperature inside the housing rises.

  Therefore, in an electronic device, in order to suppress a temperature rise inside the outer casing, a heat radiating hole (vent hole) is formed in the outer casing, and the heat generated inside the outer casing is released from the heat radiating hole to the outside. (For example, refer to Patent Document 1).

JP 2001-148580 A

  However, if a heat radiating hole is formed in the outer casing, the internal structure may be seen through the heat radiating hole when the user visually recognizes the electronic device from the outside.

  In addition, the peripheral surface (the inner peripheral surface of the heat radiating hole) forming the heat radiating hole can be seen, and the presence of the heat radiating hole with respect to the outer casing may be conspicuous, which impairs the design.

  Accordingly, an object of the electronic device of the present invention is to overcome the above-described problems and to improve the design by reducing the visibility of the internal structure disposed inside the outer casing.

  In order to solve the above-described problems, an electronic device includes an outer housing having a heat radiating hole forming surface portion facing a predetermined direction, and an internal structure having a heat radiating body that generates heat during driving and disposed inside the outer housing. A heat radiation hole communicating with the inside of the outer housing is formed in the heat radiation hole forming surface portion of the outer housing, and a step surface facing the same direction as the outer surface of the heat radiation hole forming surface portion is formed inside the heat radiation hole, The glossiness of the stepped surface is made higher than the glossiness of the outer surface of the heat radiation hole forming surface portion.

  Therefore, when the heat radiating hole forming surface portion of the outer casing is visually recognized, the inside of the heat radiating hole appears to shine.

  In the electronic device described above, a decorative hole is formed in the heat radiating hole forming surface portion so as to have a bottom surface facing in the same direction as the stepped surface and having the same glossiness as that of the heat radiating hole. The step surface and the bottom surface are preferably located on the same plane.

  By forming the decorative hole having the bottom surface as described above in the heat radiation hole forming surface portion, the bottom surface and the step surface of the decorative hole are recognized as a similar hole with a sense of unity when the heat radiation hole forming surface portion is visually recognized. .

  In the electronic device described above, it is desirable that the heat radiating hole forming surface portion be an upper surface portion of the outer casing.

  By making the heat radiating hole forming surface portion the upper surface portion of the outer casing, the upper surface portion most easily entering the user's field of view is the heat radiating hole forming surface portion.

  In the electronic device described above, an operation button is disposed on the outer casing, and a front surface portion protruding downward from a front edge of the upper surface portion is provided, and the step surface is formed at a rear end portion of the heat radiation hole. Is desirable.

  By providing a front part in which the operation buttons are arranged on the outer casing and forming a stepped surface at the rear end part of the heat radiation hole, the heat radiation hole forming surface part is visually recognized from the upper front side when the user operates the operation button. .

  In the electronic device described above, it is desirable that the step surface is formed on the entire periphery of the heat dissipation hole.

  Since the step surface is formed on the entire circumference of the heat dissipation hole, the step surface is visually recognized when the heat dissipation hole is viewed from any direction.

  An electronic apparatus according to the present invention includes an outer casing having a heat radiation hole forming surface portion facing a predetermined direction, and an internal structure having a radiator that generates heat during driving and disposed inside the outer casing. A heat radiating hole communicating with the inside of the outer casing is formed in the hole forming surface portion, a step surface facing the same direction as the outer surface of the heat radiating hole forming surface portion is formed in the heat radiating hole, and the glossiness of the step surface is It is higher than the glossiness of the outer surface of the heat radiation hole forming surface portion.

  Accordingly, when the heat radiating hole forming surface portion is visually recognized, a step surface with high glossiness enters the field of view, so that the visibility inside the outer casing is lowered, the internal structure is difficult to see, and the design can be improved. .

  Further, when the heat radiating hole forming surface portion is visually recognized, the step surface with high glossiness is conspicuous, so that the existence of the heat radiating hole is not conspicuous, and the internal structure can be made more difficult to see.

  In the invention described in claim 2, the heat radiation hole forming surface portion has a bottom surface facing in the same direction as the stepped surface and having the same glossiness as the heat radiation hole, and is opened in a direction in which the outer surface faces. A decorative hole is formed, and the step surface and the bottom surface are located on the same plane.

  Therefore, the bottom surface of the decorative hole and the stepped surface are recognized as a similar hole with a sense of unity when the heat radiating hole forming surface portion is visually confirmed, so that a good design of the outer casing can be secured and the internal structure can be secured. It can be difficult to see.

  In the invention described in claim 3, the heat radiating hole forming surface portion is the upper surface portion of the outer casing.

  Therefore, since the upper surface portion is the heat radiating hole forming surface portion that most easily enters the user's field of view, it is possible to improve the overall design of the electronic device by ensuring good design properties of the upper surface portion.

  In the invention described in claim 4, an operation button is disposed on the outer casing, and a front surface portion protruding downward from a front edge of the upper surface portion is provided, and the step surface is a rear end portion of the heat radiating hole. Is formed.

  Therefore, when the heat radiation hole forming surface portion is visually confirmed from the upper front side when the user operates the operation button, the step surface is surely entered in the user's field of view, the visibility inside the outer casing is lowered, and the internal structure is reduced. It is difficult to see and the design can be improved.

  In the invention described in claim 5, the step surface is formed on the entire circumference of the heat radiating hole.

  Therefore, when viewed from any direction, the internal visibility of the outer casing is lowered, and the internal structure is difficult to see, thereby improving the design.

  Embodiments of an electronic device according to the present invention will be described below with reference to the accompanying drawings.

  In the embodiment described below, the electronic device of the present invention is applied to a network communication apparatus that performs wireless communication with a network.

  Note that the scope of application of the present invention is not limited to a network communication apparatus that communicates with a network wirelessly. The present invention includes an audio recording / playback device, an image recording / playback device, an imaging device such as a camera, a portable terminal device such as a mobile phone, an information processing device such as a personal computer, and a network communication device other than wireless. The present invention can be widely applied to other various electronic devices in which an internal structure having a radiator is arranged.

  In the following description, it is assumed that the heat radiating holes are formed in the upper surface portion of the outer casing and indicate the front, rear, up, down, left and right directions.

  In addition, the front and rear, up and down, left and right directions shown below are for convenience of explanation, and the implementation of the present invention is not limited to these directions.

[overall structure]
The electronic device (network communication apparatus) 1 is configured by arranging required parts inside an outer casing 2 (see FIGS. 1 and 2).

  The outer casing 2 is formed in a box shape that opens downward and rearward, and protrudes downward from the upper surface portion 3, the front surface portion 4 that protrudes downward from the front edge of the upper surface portion 3, and the left and right side edges of the upper surface portion 3. The side portions 5 and 5 and the attachment portion 6 protruding rearward from the lower edge of the front surface portion 4 are integrally formed. The attachment portion 6 is located only directly below the front end portion of the upper surface portion 3.

  A plurality of heat radiation holes 7, 7,... Are formed in a predetermined region (region A shown in FIG. 3) at equal intervals on the upper surface portion 3 in the front, rear, left, and right directions. Therefore, the upper surface portion 3 functions as a heat radiation hole forming surface portion.

  The heat radiating hole 7 is vertically penetrated, and is formed into a rectangular shape surrounded by the front surface 8, the rear surface 9, and the side surfaces 10 and 10, for example (see FIGS. 4 and 5). Inside the heat radiating hole 7, a step surface 11 is formed at the rear end portion facing upward. Therefore, the rear surface 9 is divided into an upper portion 9 a that is continuous with the rear edge of the step surface 11 and a lower portion 9 b that is continuous with the front edge of the step surface 11.

  The left and right side edges of the step surface 11 are respectively continuous with the side surfaces 10 and 10, and are formed, for example, at positions near the upper end of the rear surface 9. The step surface 11 is formed as a glossy surface, and has a higher gloss than the upper surface (outer surface) 3a of the upper surface portion 3. The gloss of the stepped surface 11 is given, for example, by performing electric discharge machining for a certain time.

  Further, the level difference surface 11 has a higher gloss than the other surfaces forming the heat radiation holes 7, that is, the front surface 8, the rear surface 9, and the side surfaces 10 and 10. The front surface 8, the rear surface 9, and the side surfaces 10, 10 have the same glossiness as that of the upper surface 3a of the upper surface portion 3.

  A plurality of decorative holes 12, 12,... Opened upward at equal intervals in the front, rear, left, and right directions are formed in the upper surface portion 3 (see FIGS. 1 to 3). The decorative holes 12, 12,... Are formed in a region outside the region A where the heat radiating holes 7, 7,. The outer shape of the decoration holes 12, 12,... Is made smaller as they are away from the heat radiation holes 7, 7,.

  The decoration hole 12 is formed in a rectangular shape, for example, surrounded by four peripheral surfaces 12b, 12b,... Whose bottom surface 12a and lower end are continuous with the outer peripheral edge of the bottom surface 12a (see FIG. 5). The bottom surfaces 12a, 12a,... Of the decoration holes 12, 12,... Have the same glossiness as the step surfaces 11, 11,. It is made the same and is located on the same plane as the step surfaces 11, 11,.

  An operation button 13 is disposed on the front surface portion 4 of the outer casing 2 (see FIGS. 1 and 2). A connection hole 4 a is formed in the front surface portion 4.

  An internal structure 14 is disposed inside the outer casing 2 (see FIG. 2). The internal structure 14 includes a mounting base 15, a circuit board 16, and a chassis 17.

  The mounting base 15 includes a mounting surface portion 15a facing in the vertical direction, a front wall portion 15b protruding upward from the front edge of the mounting surface portion 15a, and side wall portions 15c and 15c protruding upward from left and right side edges of the mounting surface portion 15a. And have.

  The circuit board 16 is mounted on the mounting surface portion 15 a of the mounting base 15. A plurality of electronic components 18, 18,... Are mounted on the circuit board 16. Radiation fins 19 are attached to the circuit board 16. A connector connecting portion 20 is attached to the front end portion of the circuit board 16, and the connector connecting portion 20 protrudes forward from the front wall portion 15 b and is located immediately behind the connection hole 4 a formed in the front portion 4 of the outer casing 2. The

  The chassis 17 has a base surface portion 21 facing in the vertical direction and a rear panel portion 22 protruding downward from the rear edge of the base surface portion 21. A plurality of heat exhaust holes 21a, 21a,... Are formed in the base surface portion 21 at equal intervals in the front-rear and left-right directions.

  The chassis 17 is attached to the attachment base 15. In the state where the chassis 17 is attached to the attachment base 15, the heat exhaust holes 21 a, 21 a,... Are positioned directly above the heat radiation fins 19 attached to the circuit board 16.

  A first substrate 23 and a second substrate 24 are attached to the front wall portion 15b of the attachment base 15 side by side. A switch 23 a is disposed on the front surface of the first substrate 23.

  The internal structure 14 configured as described above is closed by the outer casing 2 with the mounting base 15 being attached to the outer casing 2. A front end portion of the attachment surface portion 15 a of the attachment base 15 is attached to the attachment portion 6 of the outer casing 2.

  The user can connect a connector (not shown) to the connector connection portion 20 of the circuit board 16 through the connection hole 4 a formed in the front surface portion 4 of the outer casing 2, and an operation button disposed on the front surface portion 4. It is possible to execute a predetermined function by operating the switch 13a by operating 13.

[When driving electronic equipment]
When the electronic device 1 is driven, Internet communication is performed wirelessly. For example, an image received via the Internet can be displayed on a screen of a television or the like.

  When the electronic apparatus 1 is driven, the circuit board 16 and the electronic components 18, 18,. Therefore, the circuit board 16 and the electronic components 18, 18,.

  The generated heat is from heat radiation holes 19 a, 21 a,... Of the chassis 17 from the heat radiation fins 19 attached to the circuit board 16 and from the heat radiation holes 7, 7,. Released to the outside. Therefore, the temperature rise inside the outer casing 2 is suppressed.

[Visibility of internal structure]
As described above, in the electronic device 1, a plurality of heat radiation holes 7, 7,... Are formed in the upper surface portion 3 of the outer casing 2. Therefore, depending on the viewing angle, the internal structure 14 can be seen through the heat radiating holes 7, 7,.

  However, in the electronic device 1, as described above, the step surfaces 11, 11,... With higher gloss than the upper surface 3 a of the upper surface portion 3 are formed in the heat radiation holes 7, 7,. ing. Therefore, when the upper surface portion 3 is visually recognized, the step surfaces 11, 11,... With high glossiness are in the field of view, so the visibility inside the outer casing 2 is lowered and the internal structure 14 is made difficult to see. It is possible to improve the performance.

  Further, when the upper surface portion 3 is visually recognized, the step surfaces 11, 11,... With high glossiness are conspicuous, so the presence of the heat radiation holes 7, 7,. Can be difficult.

  Further, decorative holes 12, 12,... Are formed in the upper surface portion 3 of the outer casing 2, and the bottom surfaces 12a, 12a,. .. Are in the same direction at the same height position, and the glossiness is the same as the step surfaces 11, 11,. Therefore, the bottom surfaces 12a, 12a,... Of the decorative holes 12, 12,... And the step surfaces 11, 11,. Therefore, it is possible to ensure good design of the outer casing 2 and to make the internal structure 14 difficult to see.

  In the electronic device 1, the operation button 13 is disposed on the front surface portion 4 of the outer casing 2, and therefore, when the user operates the operation button 13, the upper surface portion 3 is visually recognized from the upper front side. At this time, since the step surfaces 11, 11,... Are formed at the rear end portions of the heat radiation holes 7, 7,..., The step surfaces 11, 11,. The visibility inside the outer casing 2 is lowered, and the internal structure 14 can be made difficult to see, so that the design can be improved.

  Further, in the electronic device 1, the portion functioning as the heat radiating hole forming surface portion is the upper surface portion 3 that is most likely to enter the user's field of view. Therefore, by ensuring good design of the upper surface portion 3, The overall design of the device 1 can be improved.

  In addition, although the example which formed the heat radiation hole 7,7, ... which has the level | step difference surface 11, 11, ... in the upper surface part 3 of the outer casing 2 was shown above, It may be formed in any part of the outer casing.

  Moreover, although the example in which the level | step difference surface 11 was formed in the rear-end part in the heat radiating hole 7 was shown above, the level | step difference surface may be formed in the other part in a heat radiating hole. For example, as shown in FIG. 6, a step surface 11A may be formed on the entire circumference of the heat radiating hole 7A. In this case, the visibility inside the outer casing 2 can be seen from any direction. The internal structure 14 can be made difficult to see and the design can be improved.

  The specific shapes and structures of the respective parts shown in the above-described best mode are merely examples of the implementation of the present invention, and the technical scope of the present invention is limited by these. It should not be interpreted in a general way.

2 to 6 show an embodiment of an electronic apparatus of the present invention, and this figure is a perspective view of the electronic apparatus. It is a disassembled perspective view of an electronic device. It is a top view of an electronic device. It is an expansion perspective view which shows the part in which the heat radiating hole was formed. It is an expanded sectional view which shows the part in which the heat radiating hole and the decoration hole were formed. It is an enlarged plan view which shows the example in which the level | step difference surface was formed in the perimeter of a thermal radiation hole.

  DESCRIPTION OF SYMBOLS 1 ... Electronic device, 2 ... Outer casing, 3 ... Upper surface part (radiation hole formation surface part), 4 ... Front part, 7 ... Radiation hole, 11 ... Step surface, 12 ... Decoration hole, 12a ... Bottom surface, 13 ... Operation button, DESCRIPTION OF SYMBOLS 14 ... Internal structure, 16 ... Circuit board (radiation body), 18 ... Electronic component (radiation body), 7A ... Radiation hole, 11A ... Step surface

Claims (5)

An outer casing having a heat radiating hole forming surface portion facing a predetermined direction;
An internal structure disposed inside the outer casing and having a radiator that generates heat during driving;
A heat dissipation hole communicating with the inside of the outer casing is formed in the heat dissipation hole forming surface portion of the outer casing,
A stepped surface facing the same direction as the outer surface of the heat dissipation hole forming surface portion is formed inside the heat dissipation hole,
The electronic device in which the glossiness of the step surface is higher than the glossiness of the outer surface of the heat radiation hole forming surface portion. A decorative hole is formed in the heat radiation hole forming surface portion, which has a bottom surface facing in the same direction as the stepped surface and having the same glossiness as the heat radiation hole, and is opened in the direction in which the outer surface faces.
The electronic device according to claim 1, wherein the step surface and the bottom surface are positioned on the same plane. The electronic device according to claim 1, wherein the heat radiation hole forming surface portion is an upper surface portion of the outer casing. An operation button is disposed on the outer casing, and a front portion protruding downward from a front edge of the upper surface portion is provided,
The electronic device according to claim 3, wherein the step surface is formed at a rear end portion of the heat dissipation hole. The electronic device according to claim 1, wherein the step surface is formed on the entire circumference of the heat dissipation hole.

Images