KR20030045897A - Potable Computer - Google Patents

Abstract

PURPOSE: A portable computer is provided to reduce leakage of the electromagnetic wave generated from a hardware. CONSTITUTION: The casing has an entrance for entering/exiting a hardware on one side surface. An opening cover(34) closes or opens the entrance. A conducting part(36) is installed to one side of the casing and the opening cover(34). In order to prevent the electromagnetic wave generated from the hardware from leaking to the outside, the one side of the conducting part(36) is contacted with the opening cover(34) and the other side of the conducting part(36) is contacted with the casing. The conducting part(36) comprises a connection part(37) connecting to the inner surface of the opening cover(34), and an elastic panel part(38) contacting with the casing by extending from the connection part(37) and having an interval from the panel surface of the opening cover(34).

Description

Portable Computer {Potable Computer}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable computer, and more particularly, to a portable computer capable of preventing leakage of electromagnetic waves generated from hardware provided inside the casing to the outside of the casing.

The general definition of electromagnetic shielding refers to blocking unnecessary electromagnetic waves and degrading the electromagnetic response from one space to another. The purpose of electromagnetic shielding is to block the electromagnetic wave generated inside the electronic device, to prevent the operation of the external electronic device, and to prevent the internal electromagnetic wave from penetrating the inside of the device. It is to block electromagnetic waves to prevent interference with other parts inside the equipment.

Electromagnetic waves are classified into conductive and radioactive according to transmission paths. Shield technology is most effective for countermeasures to reduce radio interference.

This shielding technology applies to almost all electronic devices, and also to portable computers.

BACKGROUND OF THE INVENTION Conventional portable computers generally include a computer body (not shown) formed of a plurality of hardware including a central processing unit and a RAM, and an LCD (not shown) for receiving and displaying image signals from the computer body.

The computer body has upper and lower casings shielded for electromagnetic shielding to form an appearance.

As shown in FIG. 1, the conventional lower casing 130 includes an access opening 131 and an access opening 131 for attaching and detaching hardware (for example, the RAM 143 or the MiniPCI card 145, etc.). It includes an opening cover 134 for opening and closing the.

As shown in FIG. 1, the entrance opening 131 penetrates through the plate surface of the shielded lower casing 130. A circumferential edge of the access opening 131 is provided with a flange portion 132 extending radially inward side by side with the plate surface of the lower casing 130 over at least a portion, and a screw coupling on one side of the flange portion 132. A ball 133 is formed. Accordingly, the opening cover 134 is positioned at the flange portion 132 of the entrance opening 131 to block the entrance opening 131.

As shown in Fig. 2, the opening cover 134 is provided as a single injection-molded product by bending work on a plate. An inner surface of the opening cover 134 is coupled with an insulator 139 of rubber or plastic material to block electromagnetic waves, and blocks electromagnetic waves emitted from hardware, and corresponds to the screw coupling hole 133 of the flange portion 132. A cover screw 134 is provided with a fastening screw 135 for attaching and detaching the opening cover 134 to couple and release the opening cover 134 to the flange portion 132.

According to such a configuration, when replacing a large hardware such as a motherboard (not shown) or a hard disk drive (not shown) in the conventional portable computer, the corresponding casing is removed by replacing the corresponding hardware by removing the upper casing (not shown). Small hardware (eg, RAM 143 or Mini PCI 145 card, etc.) opens and replaces the opening cover 134 provided in the lower casing 130.

However, the opening cover 134 provided in such a conventional portable computer, as described above, is provided by a bending operation with a single injection molding. Accordingly, each edge portion 150 of the edge region of the opening cover 134 abutting the flange portion 132 has a length in the height direction higher than other edge regions, as shown in FIGS. 2 and 3. none.

As a result, electromagnetic waves from hardware disposed inside the doorway (such as RAM or MiniPCI, in particular, the ram emit a large amount of electromagnetic waves) are different in height from the edge area of the opening cover where the electromagnetic wave contacts the flange of the doorway (each There is a problem that can leak to the outside of the casing through the corner area).

It is therefore an object of the present invention to provide a portable computer capable of reducing the leakage of electromagnetic waves generated from hardware provided inside the casing to the outside of the casing.

1 is an exploded perspective view of a lower casing of a conventional portable computer;

Figure 2 is a perspective view of the opening cover mounted to the lower casing of Figure 1,

3 is a partial cross-sectional view of a lower casing equipped with an opening cover in a conventional portable computer;

4 is an exploded perspective view of a portable computer according to the present invention;

5 is an exploded perspective view of a bottom casing of a portable computer according to the present invention;

Figure 6 is a perspective view of the opening cover mounted to the lower casing of Figure 5,

7 is a partial cross-sectional view of the lower casing with the opening cover in the portable computer according to the present invention.

<Description of the symbols for the main parts of the drawings>

1: portable computer 3: computer body

5: LCD 10: Casing

20: upper casing 21: keyboard portion

23: touch pad 30: lower casing

31: access opening 32: flange

33: screwing hole 34: opening cover

35: fastening screw 36: conductive member

37: coupling portion 38: elastic plate portion

39: insulator 40: main board

41: central processing unit 43: RAM

According to a feature of the present invention for achieving the above object, a portable computer comprising: a casing having an entrance and exit for entrance and exit of predetermined hardware on one side surface; An opening cover for opening and closing the access opening; And a conductive member provided on at least one side of the casing and the opening cover, the conductive member having one side in contact with the opening cover and the other side in contact with the casing to prevent leakage of electromagnetic waves generated from the hardware to the outside. Achieved by a portable computer.

Here, the conductive member may be provided with a coupling portion coupled to the inner surface of the opening cover, and an elastic plate portion extending from the coupling portion and spaced apart from the plate surface of the opening cover to elastically contact the flange portion. The apparatus may further include an insulating sheet attached to the inner side of the opening cover, in which case the conductive member is interposed between the opening cover and the insulating sheet, and the inner side of the opening cover is formed by the insulating sheet. It is preferable that the conductive member be fixed to the opening cover without the need for a separate adhesive member.

In addition, the casing according to the present invention is provided with the upper and lower casing coupled to each other along the height direction, the conductive member is provided in the lower casing, the RAM and MiniPCI device that is detachable and emits a lot of harmful electromagnetic waves It is preferable because it is provided below the casing.

DETAILED DESCRIPTION Hereinafter, the present invention will be described in detail with reference to the accompanying drawings, in which only the same reference numerals are distinguished and the description thereof is partially omitted.

4 is an exploded perspective view of the portable computer 1 according to the present invention, which includes a computer main body 3 formed of a plurality of hardware including a central processing unit 41 and a RAM 43, and images from the computer main body 3; LCD 5 for receiving and displaying signals.

The computer main body 3 is provided with a casing 10 having upper and lower casings 20 and 30, and a casing 10, and a main processor 41, a RAM 43, and the like, which are installed in the casing 10 so as to form an exterior. It is provided with a plurality of hardware including the board 40. Here, the upper and lower casing (20, 30) is of course shielded for electromagnetic shielding.

As shown in FIG. 4, the upper casing 20 is coupled to the lower casing 30 to be described later to form an accommodation space therein, thereby accommodating a plurality of hardware, and the upper surface of the keyboard portion 21 and the touch. An input device such as a pad 23 is provided.

As shown in FIG. 5, the lower casing 30 opens and closes the entrance and exit 31 and the entrance and exit 31 for attaching and detaching hardware (for example, the RAM 43 or the MiniPCI card 45, etc.). An opening cover 34 is included.

As shown in FIG. 5, the entrance and exit opening 31 is formed to penetrate through the shielded lower casing 30 plate surface. A circumferential edge of the access opening 31 is provided with a flange portion 32 extending radially inward in parallel with the plate surface of the lower casing 30 over at least a portion, and screw coupling is provided on one side of the flange portion 32. A ball 33 is formed. Accordingly, the opening cover 34, which will be described later, is positioned at the flange portion 32 of the access opening 31 to shield the access opening 31. As shown in FIG.

On the other hand, the opening cover 34 for opening and closing the access opening 31 is provided with an integral injection molded product having a predetermined thickness in the form of a plate, as shown in FIG. The opening cover 34 is a fastening screw 35 for coupling with the screw coupling hole 33, a conductive member 36 for hermetically contacting the opening cover 34 and the flange portion 32, and blocking electromagnetic waves. Insulator 39 is included.

As shown in FIG. 6, the fastening screw 35 is provided on one side plate of the screw cover hole 33 of the flange portion 32 and the opening cover 34 corresponding to the screw screw hole. By engaging with 33, the access opening 31 is shielded.

As shown in FIG. 5, the conductive member 36 is interposed between the opening cover 34 and the insulator 39 to be described later, and is provided as a punching work in a thin plate shape of a metal material capable of electromagnetic wave conduction. The conductive member 36 includes a coupling portion 37 coupled to (in contact with) the inner surface of the opening cover 34, and an elastic plate portion 38 extending from the coupling portion 37 to elastically contact the flange portion 32. ).

The coupling part 37 coupled to the inner surface of the opening cover 34 may be coupled to the inside of the opening cover 34 by various methods such as soldering. However, in the present invention, the opening cover 34 is formed by the insulator 39 which will be described later. ) Will be described as being coupled to the inside.

The elastic plate portion 38 extends from the coupling portion 37, and as shown in FIG. 5, the free end portion is formed to be bent at a predetermined angle so as to be spaced apart from the plate surface of the opening cover 34. As shown in FIG. Accordingly, the elastic plate 38 is elastically in contact with the flange 32 when the entrance opening 31 of the opening cover 34 is blocked, so that the hardware (for example, RAM) provided inside the entrance opening 31 (43) or MiniPCI card 45, etc.) flows through the contacting flange portion 32 to the shielded lower casing 30 to reduce the electromagnetic waves leaking out of the casing (10).

The insulator 39 is made of a rubber or plastic material capable of blocking electromagnetic waves, and an adhesive is provided on the inner surface of the opening cover 34 and the contact portion 37 of the conductive member 36 so that the insulator 39 and the conductive material are provided. The member 36 is coupled to the opening cover 34.

According to such a configuration, in the portable computer 1 according to the present invention, in the case of replacing the main board 40 or the hard disk drive (not shown), after detaching the keyboard portion 21 of the upper casing 20, Replace the hardware. In addition, a small piece of hardware (for example, the RAM 43 or the Mini PCI card 45, etc.) opens and replaces the opening cover 34 provided in the lower casing 30.

Here, when the opening cover 34 blocks the access opening 31 in which the predetermined hardware is mounted, the elastic plate portion 38 of the conductive member 36 provided inside the opening cover 34 is connected to the flange portion 32. By elastically contacting, electromagnetic waves leaking out through the edge portion 50 are absorbed into the shielded lower casing 30 through the flange portion 32 in contact with the elastic plate portion 38 (see FIG. 7). Accordingly, electromagnetic waves leaking out of the casing 10 may be minimized.

In the above-described embodiment, the opening cover 34 has been described as including the insulator 39, but this is only one embodiment, and the opening cover 34 may be provided even in a configuration that does not include the insulator 39. Of course. In this case, the coupling portion 37 of the conductive member 36 is not coupled to the opening cover 34 by the insulator 39, but is coupled to the opening cover 34 by various methods such as soldering.

In the above-described embodiment, the conductive member 36 is provided in the opening cover 34. However, the conductive member 36 is provided in the flange portion 32 which is in contact with the opening cover 34. Of course it can be achieved.

As such, by providing a conductive member in contact with the flange portion inside the opening cover, a portable computer capable of reducing the leakage of electromagnetic waves inside the casing to the outside of the casing is provided.

As described above, according to the present invention, there is provided a portable computer capable of reducing leakage of electromagnetic waves generated from hardware provided inside the casing to the outside of the casing.

Claims (4)

In a portable computer, A casing having an access opening for access of predetermined hardware on one side surface; An opening cover for opening and closing the access opening; And a conductive member provided on at least one side of the casing and the opening cover, the conductive member having one side in contact with the opening cover and the other side in contact with the casing to prevent leakage of electromagnetic waves generated from the hardware to the outside. Portable computer. The method of claim 1, The conductive member is a portable computer, characterized in that the coupling portion coupled to the inner surface of the opening cover, and the elastic plate portion extending from the coupling portion and spaced apart from the plate surface of the opening cover to elastically contact the casing. . The method of claim 2, Further comprising an insulating sheet attached to the inner side of the opening cover, And the conductive member is interposed between the opening cover and the insulating sheet and fixed to the inner side of the opening cover by the insulating sheet. The method of claim 1, The casing is provided with an upper and lower casing coupled to each other along the height direction, And the conductive member is provided in the lower casing.