JP2010282493A - Electronic equipment - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide electronic equipment having a simplified attachment structure of an antenna cover. <P>SOLUTION: The electronic equipment includes: a display 15; a metallic cover body 31 covering the back of the display 15; an opening 32 formed on a part of the cover body 31; an antenna 26 arranged in the vicinity of the opening 32; and a resin-made antenna cover 33 having a cover part 35 covering the opening 32 and an overlapping margin part 36 superposed on the approximately entire area of an inner surface of the cover body 31. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to an electronic device including an antenna cover.

  A portable computer in which a resin antenna cover is attached to a metal cover of a liquid crystal display is disclosed. The portable computer includes a liquid crystal display, a cover surrounding the liquid crystal display, an opening provided in a part of the cover, an antenna element provided in the vicinity of the opening on the cover, and the opening. And an antenna cover provided. The antenna cover has a protrusion serving as an attachment portion for attachment to the cover. The cover has a groove in which a protrusion is fitted in the vicinity of the opening.

  The antenna cover is fixed to the opening of the cover by applying heat to the protrusion and welding the protrusion around the groove (see, for example, Patent Document 1).

JP 2008-3714 A

  However, in the conventional portable computer, it is necessary to provide a protrusion and a groove in order to attach the antenna cover, and the structure around the antenna cover is complicated.

  The objective of this invention is providing the electronic device which can simplify the attachment structure of an antenna cover.

  In order to achieve the above object, an electronic apparatus according to an aspect of the present invention includes a display, a metal cover main body that covers a back surface of the display, an opening provided in a part of the cover main body, And a resin antenna cover having an antenna provided in the vicinity of the opening, a covering that covers the opening, and an overlapping portion that overlaps substantially the entire inner surface of the cover main body.

  According to said structure, the electronic device which can simplify the attachment structure of an antenna cover can be provided.

1 is a perspective view showing a portable computer according to a first embodiment. The perspective view which showed the state which removed the mask and display of the portable computer shown in FIG. The top view which showed the display unit of the portable computer shown in FIG. The side view which decomposed | disassembled and showed the display unit shown in FIG. The top view which showed the cover main body of the display unit shown in FIG. The top view which showed the antenna cover of the display unit shown in FIG. The perspective view which expanded and showed the one hinge part and attachment part periphery of the display unit shown in FIG. The perspective view which expanded and showed the other hinge part and attachment part periphery of the display unit shown in FIG. The top view which shows the display unit of the portable computer which concerns on 2nd Embodiment.

  Below, with reference to FIGS. 1-8, 1st Embodiment of an electronic device is described. In this specification, the front side (i.e., the user side) is the forward direction F, the back side as viewed from the user is the rear direction R, the left side when viewed from the user is the left direction, the right side when viewed from the user is the right direction, and the user is viewing The upward direction is defined as the upward direction, and the downward direction as viewed from the user is defined as the downward direction.

  As shown in FIG. 1, a portable computer 11, which is an example of an electronic device, includes a main body unit 12, a display unit 13, and a hinge portion 14 provided between the main body unit 12 and the display unit 13. . The hinge portion 14 supports the display unit 13 in a rotatable manner. The display unit 13 rotates between a first position P1 that stands up with respect to the main unit 12 as shown in FIG. 2 and a second position that covers the display unit 13 so as to be parallel to the main unit. can do. FIG. 2 shows a state where the display 15 and the mask 16 are removed.

  As shown in FIGS. 1 and 2, the main unit 12 includes, for example, a main body cabinet 21 made of metal, a keyboard 22 and a touch pad 23 attached to the upper surface of the main body cabinet 21, and an inside of the main body cabinet 21. A printed circuit board 24 accommodated therein. The printed circuit board 24 has circuit components such as a CPU mounted thereon.

  As shown in FIGS. 3 and 4, the display unit 13 includes a display 15, a display cabinet 25 that surrounds the display 15, and a plurality of antennas 26 that are provided inside the display cabinet 25. As an example of the display 15, a liquid crystal display is mounted in the present embodiment.

  The plurality of antennas (antenna circuit boards) 26 are each a communication system such as Bluetooth (registered trademark), wireless LAN, wireless WAN, WiMAX, UWB, or GPS, or a mobile phone system such as 3G or 3.5G. Correspond to each. The plurality of antennas 26 are provided in the vicinity of an opening 32 described later. The plurality of antennas 26 are bonded side by side to the inner surface of an antenna cover 33 described later.

  The display cabinet 25 includes, for example, a synthetic resin mask 16 that covers the front surface of the display 15, a metal cover body 31 that covers the back surface of the display 15, an opening 32 provided in a part of the cover body 31, and a cover And a synthetic resin antenna cover 33 provided in close contact with the inner surface of the main body 31. The mask 16 has a square opening at the center thereof, and the display 15 is exposed to the outside through the opening.

  As shown in FIG. 5, the cover main body 31 is formed by, for example, magnesium die casting using a magnesium alloy. The cover main body 31 is not limited to the one cast from a magnesium alloy. For example, the cover main body 31 is formed by aluminum die casting using an aluminum alloy, or is formed by pressing and bending a plate material such as an aluminum alloy. Also good. The cover main body 31 has a rectangular convex portion 31 </ b> A that fits inside a through-hole portion 37 of the antenna cover 33 described later.

  The antenna cover 33 is bonded to the cover body 31 via an adhesive, for example, and covers the opening 32. The antenna cover 33 includes a covering portion 35 that covers the opening 32, and an overlapping margin portion 36 that overlaps substantially the entire inner surface of the cover main body 31. The overlap margin 36 is formed in a rectangular frame shape. The overlap margin portion 36 has a square through hole portion 37 at the center thereof. The overlap margin portion 36 is further provided with a support portion 41 for supporting the four circumferences of the display 15, a holding portion 42 for holding the mask 16, and a notch portion provided at a position corresponding to the attachment portion 43 of the cover body 31. 44.

  The notches 44 are formed at two corners of the antenna cover 33 located near the hinge 14. The attachment portion 43 is exposed to the inner surface side of the display cabinet 25 through the notch portion 44. As shown in FIGS. 7 and 8, the hinge portion 14 is fixed to the attachment portion 43 via a screw 50.

  The support part 41 has a plurality of support bases 45 at positions along the four sides of the display 15. Each of the support bases 45 is formed in, for example, a substantially “L” cross section, and has a bottom wall 46 extending in the direction along the display 15 and a vertical wall extending from the bottom wall 46 in the direction along the end surface of the display 15. 47. Buffer members 48 are respectively disposed on the surface of the bottom wall 46 facing the display 15 and the surface of the vertical wall 47 facing the display 15. The buffer member 48 is interposed between the display 15 and the support base 45. The buffer member 48 is made of, for example, a sponge. The support portion 41 can support the display 15 in a floating state via the support base 45 and the buffer member 48.

  The holding part 42 hooks and holds the plurality of female screw parts 51 to which screws for fixing the mask 16 are fixed, a plurality of support ribs 52 against which the mask 16 is abutted and supported by the mask 16, and the mask 16. And a plurality of claw portions 53 for the purpose. The female screw portion 51 is disposed side by side on the covering portion 35 of the antenna cover 33. The support ribs 52 are arranged at a plurality of locations along the four circumferences of the display 15. The claw portions 53 are arranged side by side along a pair of opposing side portions 15 </ b> A of the display 15.

  Subsequently, a manufacturing process of the display unit 13 will be described. First, the cover body 31 is formed, for example, by casting a magnesium alloy. Similarly, the antenna cover 33 is formed by injection molding of resin or the like, for example. And the cover main body 31 and the antenna cover 33 which were each manufactured separately are adhere | attached. At this time, the convex portion 31 </ b> A of the cover main body 31 is fitted inside the through hole portion 37 of the overlapping margin portion 36. At this time, the antenna cover 33 can be bonded to the cover main body 31 with reference to the position of the convex portion 31A. Further, after the antenna cover 33 is bonded, the inner surface of the antenna cover 33 and the top surface of the convex portion 31A are designed to be flush with each other. For this reason, based on this, it is possible to determine whether the antenna cover 33 is lifted during and after bonding, and determine whether the bonding state is good or bad.

  In the present embodiment, the antenna cover 33 is bonded to the cover main body 31, but is not limited to this manufacturing method, and the cover main body 31 is disposed in the mold as an insert, The antenna cover 33 may be formed on the cover body 31 by insert molding.

  According to this embodiment, the portable computer 11 includes a display 15, a metal cover main body 31 that covers the back of the display 15, an opening 32 provided in a part of the cover main body 31, and the vicinity of the opening 32. A resin antenna cover 33 having an antenna 26, a covering portion 35 covering the opening 32, and an overlapping portion 36 that overlaps substantially the entire inner surface of the cover main body 31.

  According to this configuration, the overlap margin portion 36 of the antenna cover 33 overlaps the entire inner surface of the cover main body 31, so that the antenna cover 33 and the cover main body 31 can be closely attached and fixed over a wide area. The strength which supports can be improved. Further, a complicated structure is not required for attaching the antenna cover 33 to the cover main body 31, and the structure can be simplified.

  Further, in this case, the overlapping margin portion 36 has a through-hole portion 37 penetrating therethrough and has a frame shape surrounding the through-hole portion 37. According to this configuration, the weight of the overlap margin portion 36 can be reduced, and the weight of the antenna cover 33 can be reduced as a whole. Further, since the overlap margin portion 36 has a frame shape, the weight of the antenna cover 33 can be reduced while maintaining the strength of the overlap margin portion 36.

  At this time, the antenna cover 33 includes support portions 41 that support the four circumferences of the display 15. In general, the draft required for mold release of a metal molded product (casting) is an angle of 3 to 5 degrees, whereas the draft angle required for mold release of a synthetic resin molded product is 0. .5 to 1 degree. For this reason, when a fine structure such as the support portion 41 is provided on the metal cover body 31, for example, a part of the support portion 41 is inclined from the viewpoint of ensuring a large draft angle. For this reason, it is necessary to perform secondary processing on the cover body 31 after casting to correct the angle of the surface.

  According to the above configuration, a fine structure such as the support portion 41 can be provided not on the metal cover body 31 but on the resin antenna cover 33. Thereby, the secondary processing with respect to the support part 41 can be omitted, and the manufacturing process can be simplified. Moreover, the structure of the metal cover main body 31 can be simplified and the yield of the cover main body 31 can be improved.

  In this case, the cover main body 31 has a convex portion 31 </ b> A that fits inside the through-hole portion 37. According to this structure, since the thickness dimension of the cover main body 31 can be ensured large, the cover main body 31 can be made highly rigid. Further, it is possible to make the antenna cover 33 difficult to remove from the cover main body 31. Furthermore, when the antenna cover 33 is bonded to the cover main body 31, the alignment can be performed with the convex portion 31A as a guide, and the workability during assembly can be improved.

  At this time, the portable computer 11 includes a mask 16 that covers the front surface of the display 15, and the antenna cover 33 includes a holding unit 42 that holds the mask 16. According to this configuration, in addition to the support portion 41, a fine structure such as the holding portion 42 can be provided not on the metal cover body 31 but on the resin antenna cover 33. Thereby, the secondary process with respect to the cover main body 31 is unnecessary, and a manufacturing process can be simplified.

  In this case, the main body unit 12 provided independently of the cover main body 31 and a hinge that is provided at a position between the cover main body 31 and the main body unit 12 and rotatably supports the cover main body 31 with respect to the main body unit 12. The cover body 31 has an attachment portion 43 to which the hinge portion 14 is attached, and the antenna cover 33 has a notch portion 44 through which the attachment portion 43 is exposed.

  According to this configuration, the attachment portion 43 that requires a certain degree of rigidity can be provided on the metal cover main body 31. Accordingly, it is possible to prevent the cover main body 31 from being damaged due to insufficient strength.

  Next, a second embodiment of the electronic device will be described with reference to FIG. The portable computer 11 which is an example of the electronic device of the second embodiment is different from that of the first embodiment in the number of through-hole portions 37 and convex portions 31A, but the other portions are the first embodiment. And in common. For this reason, mainly different parts will be described, and common parts will be denoted by common reference numerals and description thereof will be omitted. The portable computer 11 has the same appearance as that of the first embodiment shown in FIG.

  The display cabinet 25 includes, for example, a synthetic resin mask 16 that covers the front surface of the display 15, a metal cover body 31 that covers the back surface of the display 15, an opening 32 provided in a part of the cover body 31, and a cover And an antenna cover 33 provided in close contact with the inner surface of the main body 31. The cover main body 31 is formed by, for example, magnesium die casting. The cover body 31 may be made of, for example, an aluminum alloy. The cover main body 31 has a plurality of rectangular convex portions 31 </ b> A that fit inside the plurality of through-hole portions 37 of the antenna cover 33.

  The antenna cover 33 is bonded to the cover main body 31 via an adhesive and covers the opening 32. The antenna cover 33 includes a covering portion 35 that covers the opening 32, and an overlapping margin portion 36 that overlaps substantially the entire inner surface of the cover main body 31. The overlap margin 36 is formed in a lattice shape. Each overlap margin portion 36 is provided with a rectangular through-hole portion 37 inside a portion surrounded by a lattice. In the present embodiment, four through-hole portions 37 and four convex portions 31A are shown, but the number of through-hole portions 37 and convex portions 31A is not limited to this, and even more than this is possible. It may be less.

  The overlap margin portion 36 is further provided with a support portion 41 for supporting the four circumferences of the display 15, a holding portion 42 for holding the mask 16, and a notch portion provided at a position corresponding to the attachment portion 43 of the cover body 31. 44.

  The support portion 41 has a plurality of support bases 45 and buffer members 48 at positions along the four sides of the display 15. The support portion 41 can support the display 15 in a floating state via the support base 45 and the buffer member 48.

  The holding part 42 hooks and holds the plurality of female screw parts 51 to which screws for fixing the mask 16 are fixed, a plurality of support ribs 52 against which the mask 16 is abutted and supported by the mask 16, and the mask 16. And a plurality of claw portions 53 for the purpose. The female screw portion 51 is disposed side by side on the covering portion 35 of the antenna cover 33. The support ribs 52 are arranged at a plurality of locations along the four circumferences of the display 15. The claw portions 53 are arranged side by side along a pair of opposing side portions 15 </ b> A of the display 15. The notches 44 are formed in a pair at the corners of the antenna cover 33 located in the vicinity of the hinge 14. The attachment portion 43 is exposed to the inner surface side of the display cabinet 25 through the notch portion 44.

  According to the second embodiment, the overlapping margin portion 36 has a plurality of through-hole portions 37 penetrating the overlap margin portion 36 and has a lattice shape surrounding each of the plurality of through-hole portions 37. According to this configuration, the weight of the overlap margin portion 36 can be reduced, and the weight of the antenna cover 33 can be reduced as a whole.

  Further, since the overlap margin portion 36 has a lattice shape, the weight of the antenna cover 33 can be reduced while maintaining the strength of the overlap margin portion 36. Furthermore, since the thickness dimension of the cover main body 31 can be secured large, the cover main body 31 can be made highly rigid. Further, since the plurality of convex portions 31 </ b> A are fitted inside the plurality of through-hole portions 37, the antenna cover 33 can be made difficult to remove from the cover body 31.

  The electronic apparatus is not limited to the portable computer 11 shown in the above embodiment, and can be implemented for other electronic apparatuses such as a mobile phone. In each of the above embodiments, the antenna cover 33 is bonded to the cover body 31 using an adhesive, but the antenna cover 33 may be fixed to the cover body 31 by means such as welding. Good. In addition, the electronic device can be variously modified and implemented without departing from the gist of the invention.

DESCRIPTION OF SYMBOLS 11 ... Portable computer, 12 ... Main body unit, 14 ... Hinge part, 15 ... Display, 16 ... Mask, 26 ... Antenna, 31 ... Cover main body, 31A ... Convex part, 32 ... Opening part, 33 ... Antenna cover, 35 ... Covering Part 36, overlapping margin part 37 37 through-hole part 41 support part 42 holding part 43 attaching part 44 notch

Claims (11)

Display,
A metal cover body covering the back of the display;
An opening provided in a part of the cover body;
An antenna provided in the vicinity of the opening;
A resin antenna cover having a covering portion that covers the opening, and an overlapping portion that overlaps substantially the entire inner surface of the cover body;
An electronic apparatus comprising:   The electronic device according to claim 1, wherein the overlapping margin portion has a through-hole portion penetrating through the overlap margin portion and has a frame shape surrounding the periphery of the through-hole portion.   The electronic device according to claim 2, wherein the antenna cover includes a support portion that supports four sides of the display.   The electronic apparatus according to claim 3, wherein the cover main body has a convex portion that fits inside the through-hole portion. Comprising a mask covering the front of the display;
The electronic apparatus according to claim 4, wherein the antenna cover has a holding portion for holding the mask. A body unit provided independently of the cover body;
A hinge portion that is provided at a position between the cover body and the body unit, and rotatably supports the cover body with respect to the body unit;
Comprising
The electronic apparatus according to claim 5, wherein the cover body has an attachment portion to which the hinge portion is attached, and the antenna cover has a cutout portion that exposes the attachment portion.   2. The electronic device according to claim 1, wherein the overlapping margin portion has a plurality of through-hole portions penetrating through the overlap margin portion and has a lattice shape surrounding each of the plurality of through-hole portions.   The electronic device according to claim 7, wherein the cover includes a support portion that supports four sides of the display.   The electronic device according to claim 8, wherein the antenna cover has a plurality of convex portions that fit inside the plurality of through-hole portions. Comprising a mask covering the front of the display;
The electronic device according to claim 9, wherein the cover has a holding portion for holding the mask. A body unit provided independently of the cover body;
A hinge portion that is provided at a position between the cover body and the body unit, and rotatably supports the cover body with respect to the body unit;
Comprising
The electronic device according to claim 10, wherein the cover body has an attachment portion to which the hinge portion is attached, and the antenna cover has a cutout portion that exposes the attachment portion.

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