JP2001005558A - Information processor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an information processor in the main body of which plural parts one naturally housed without hindering the miniaturization of the device main body. SOLUTION: The information processor such as a personal computer is provided with a device main body 2 placed on a placing face and a liquid crystal display unit integrated with the device main body. The device main body is provided with a base part 6 placed on the placing face and a stand part 7 extended from the base part to the upper direction for supporting the liquid crystal display unit at the upper edge. The base part is formed like a box having prescribed width dimension and depth dimension, and an input and output substrate 28 and a hard disk driving device 31 and a CD-ROM driving device are housed in the base part. The stand part is formed like a box having width dimension equivalent to that of the base part, and a circuit board 66 on which an IC chip 71 is loaded is housed in the stand part.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an information processing apparatus such as a desktop personal computer in which a liquid crystal display unit and an apparatus main body are integrated.

[0002]

2. Description of the Related Art In recent years, there have been provided various types of so-called liquid crystal integrated desktop personal computers in which a liquid crystal display unit is integrated and all functions are integrated into one. This type of computer occupies less than half the space required for a tower-type personal computer that uses a conventional CRT display, and can save space when the personal computer is installed on a tabletop. There are advantages.

A conventional liquid crystal integrated personal computer includes a device main body placed on a mounting surface and a liquid crystal display unit integrally attached to the device main body. The main body of the device has a box-shaped housing in which main components such as a hard disk drive and a CD-ROM drive are housed collectively, including a circuit board on which a CPU is mounted. I have.

[0004]

However, according to this conventional structure, the above-mentioned components and a number of components connected thereto must be accommodated in one space defined inside the housing. However, a large number of components are densely mounted inside the housing in a complicated state, and there is a problem that the arrangement of the components is difficult.

Further, if the size of the housing is increased, components can be arranged inside the housing with a sufficient margin. However, in this case, the installation space of the apparatus main body with respect to the mounting surface is increased, and the liquid crystal integrated personal computer is not provided. A disadvantage arises in that the inherent advantage of space saving is impaired.

The present invention has been made in view of such circumstances, and a large number of components can be easily and efficiently accommodated in a limited space inside the apparatus main body without impairing compactness of the apparatus main body at all. It is intended to provide an information processing device.

[0007]

In order to achieve the above object, an information processing apparatus according to the present invention comprises: an apparatus main body placed on a mounting surface; and a liquid crystal display unit integrated with the apparatus main body. ing. The apparatus body has a base portion placed on the mounting surface described above, and a stand portion extending upward from the base portion and supporting the liquid crystal display unit at an upper end thereof, wherein the base portion has a predetermined shape. The base is formed in a box shape having a width dimension and a depth dimension, and a functional component is accommodated inside the base portion, and the stand portion is formed in a box shape having a width dimension equivalent to the base portion. In addition, a circuit board on which a CPU is mounted is housed inside the stand section.

According to this structure, the stand supporting the liquid crystal display unit is formed in a box shape having the same width as the base, so that it is accommodated inside the stand in the width direction of the apparatus main body. Space can be secured, and the circuit board can be accommodated by using the stand portion. In addition, since the other functional components are housed inside the base portion different from the stand portion, it is not necessary to store the functional components and the circuit board in the same space, and both of them fit the shape of the apparatus main body. Can be arranged three-dimensionally.

Therefore, the planar shape of the base portion is not increased, and the thickness of the base portion is not significantly increased, so that the compactness of the apparatus main body is not impaired.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings applied to a desktop personal computer.

FIG. 1 shows a desktop personal computer 1 as an information processing apparatus. The computer 1 includes an apparatus main body 2 integrated with a liquid crystal, and a keyboard unit 3 used by connecting to the apparatus main body 2. The device main body 2 and the keyboard unit 3 are installed on a horizontal placing surface 4 (shown in FIG. 3) such as a desk top plate.

As shown in FIG. 1 and FIG.
Has a housing 5 made of synthetic resin. The housing 5 includes a base 6 and a stand 7. Base 6 has a width dimension corresponding to B5 size
It has a flat rectangular box shape having L1 and a depth dimension L2. The base portion 6 includes a bottom wall 8a, an upper wall 8
b, left and right side walls 8c and 8d and a front wall 8e, and the bottom wall 8a is in contact with the mounting surface 4 described above.

The stand portion 7 extends upward from the rear end of the upper wall 8b of the base portion 6 while maintaining the same width dimension L1 as that of the base portion 6. The stand 7 includes a front wall 10a,
Rear wall 10b, left and right side walls 10c and 10d, and upper wall 10
e and form a hollow box. The stand unit 7
As it goes upward, it is inclined forward, and the inclination angle α of the stand 7 is set to about 65 °. Therefore, the upper end of the stand portion 7 is located directly above the middle portion along the depth direction of the base portion 6.

The front wall 10a of the stand 7 has a flat plate shape. The lower end of the front wall 10a is connected to the rear end of the upper wall 8b of the base portion 6. Rear wall 1 of stand 7
0b is curved in an arc shape so as to project toward the rear of the apparatus main body 2 as best shown in FIG.
As it goes to the center along the width direction, it is kept away from the front wall 10a. For this reason, the thickness of the stand portion 7 is the thickest in the central portion along the width direction.

The side walls 8c, 8d of the base portion 6 and the side walls 10c, 10d of the stand portion 7 form a side surface of the apparatus main body 2 continuously. As shown in FIGS. 2 and 17, the side surface is bent into a substantially L shape in a side view so as to straddle the base portion 6 and the stand portion 7. It is one of the features.

As shown in FIGS. 3 and 4, a metal frame 12 as a skeleton is housed inside the housing 5 of the apparatus main body 2. As best shown in FIG. 5, the frame 12 includes a frame main body 13, a pair of left and right reinforcing plates 14, 15, and a display support plate 16.

The frame main body 13 is formed by bending a flat steel plate into a substantially L-shape so as to follow the side shape of the apparatus main body 2. The frame main body 13 includes a base frame 1 extending horizontally along an upper wall 8b of the base 6.
3a and a stand frame portion 13b that stands along the front wall 10a of the stand portion 7. These base frame portion 13a and stand frame portion 13b
They are connected to each other via a connecting portion 13c curved in an arc shape.

The left and right side edges of the base frame portion 13a are adjacent to the inner surfaces of the side walls 8c and 8d of the base portion 6. As shown in FIG. 6B and FIG. 7B, bracket portions 17a and 17b which are bent downward are formed on the side edges of the base frame portion 13a. The bracket portions 17a, 17b face the side walls 8c, 8d of the base portion 6.

The left and right side edges of the stand frame portion 13b are adjacent to the inner surfaces of the side walls 10c and 10d of the stand portion 7. As shown in FIGS. 6C and 7C, bracket portions 18a and 18b are formed on the side edges of the stand frame portion 13b so as to be bent backward. The brackets 18a and 18b face the side walls 10c and 10d of the stand 7, respectively.

The bracket portions 17a and 17b of the base frame portion 13a and the bracket portions 18a and 18b of the stand frame portion 13b are positioned at positions corresponding to the connecting portions 13c so as not to hinder the frame body 13 from being bent. They are not continuous with each other.

The reinforcing plates 14 and 15 reinforce the frame body 13 so that the base frame portion 13a and the stand frame portion 13b can maintain a fixed positional relationship. The reinforcing plates 14 and 15 are made of a stainless steel plate having a higher hardness than the steel plate.
The sheet metal is pressed in a substantially L-shape so as to conform to the side surface shape.

As shown in FIG. 6, the left reinforcing plate 14 is
A first portion 14a superimposed on the outer surface of the bracket portion 17a of the base frame portion 13a; a second portion 14b superimposed on the outer surface of the bracket portion 18a of the stand frame portion 13b; And a third portion 14c connecting the portions 14a and 14b. First and second portions 14 of reinforcing plate 14
a, 14b are connected to the bracket 1 via a plurality of screws 19.
7a, 18a, and the third portion 14c is positioned on the side of the connecting portion 13c of the frame main body 13 by this fixing.

As shown in FIG. 7, the right reinforcing plate 15 is
A first portion 15a superimposed on the outer surface of the bracket portion 17b of the base frame portion 13a; a second portion 15b superimposed on the outer surface of the bracket portion 18b of the stand frame portion 13b; And a third portion 15c connecting the portions 15a and 15b. First and second portions 15 of reinforcing plate 15
a, 15b are connected to the bracket 1 via a plurality of screws 20.
7b and 18b, and the third portion 15c is positioned on the side of the connecting portion 13c of the frame main body 13 by this fixing.

The left and right reinforcing plates 14, 15 have a vertically long cross-sectional shape extending in a direction perpendicular to the base frame portion 13a and the stand frame portion 13b. For this reason,
The base frame 1 is attached to the stand frame 13b.
When a load that presses toward 3a is applied, a stress is generated mainly in the third portions 14c and 15c of the reinforcing plates 14 and 15 to sufficiently oppose the load.

The reinforcing plates 14 and 15 are formed by overlapping a pair of substantially L-shaped sheet metal stamped parts 22a and 22b and spot welding them. The reason for this is that in order to supplement the bending strength of the frame body 13 with the reinforcing plates 14 and 15, the thickness of the reinforcing plates 14 and 15 must be large.
It is necessary to use a stainless steel plate of about 5 mm. However, sheet metal press working of a 5 mm-thick stainless steel sheet requires a large press machine with a large pressing force, and accordingly, the equipment becomes large-scale and causes an increase in cost.

However, a pair of sheet metal stamped parts 22
If the thicknesses of the reinforcing plates 14 and 15 are secured by combining the components a and 22b, the thickness of one sheet metal processing part 22a and 22b is reduced to half, that is, 2.5 mm. Therefore, there is no need to introduce a large press machine, and the reinforcing plates 14 and 1 are not required.
5 can be reduced in manufacturing cost.

As shown in FIG. 7, the center of the first portion 15a of the right reinforcing plate 15 and the bracket portion 17b of the base frame portion 13a overlapping with the first portion 15a are formed in the through holes 2a.
4 are formed. The through hole 24 has a long hole shape extending in the depth direction of the base portion 6. Due to the presence of the through hole 24, the height of the first portion 15 a of the reinforcing plate 15 and the height of the bracket portion 17 b of the base frame portion 13 a are increased. The dimensions have been reduced. In order to compensate for the lack of strength due to the size reduction, a metal back plate 25 is superimposed on the inner surface of the bracket portion 17b. The back plate 25 is fixed to the bracket portion 17b using the screw 20.

The second portion 15 of the right reinforcing plate 15
A notch 26 is formed at the center between the bracket b and the bracket portion 18b of the stand frame portion 13b that overlaps with the bracket portion 18b so as to extend along the inclination direction of the stand portion 7. The notch 26 is opened at the upper edge of the second portion 15b of the reinforcing plate 15, and the height of the second portion 15b is reduced by the amount of the notch 26. In order to compensate for the lack of strength due to the size reduction, a flat flange portion 2 is provided on the upper edge portion of the bracket portion 18b of the stand frame portion 13b.
7 are integrally formed. The flange portion 27 extends along the longitudinal direction of the bracket portion 18b so as to straddle the notch 26. The flange portion 27 extends inward from the upper edge of the bracket portion 18b, and faces the stand frame portion 13b.

As shown in FIG. 5, the display support plate 16 of the frame 12 is screwed across the upper ends of the second portions 14b and 15b of the reinforcing plates 14 and 15. The display support plate 16 extends along the width direction of the stand 7 at the upper end of the stand frame 13b.

As shown in FIGS. 4 and 7, an input / output substrate 28, which is a kind of functional component, is supported on the lower surface of the base frame portion 13a. The input / output board 28 is disposed horizontally along the base frame portion 13a,
It is located at the right end of the base 6 of the apparatus main body 2. At the right end of the input / output board 28, a volume control dial 29, a headphone output terminal 30a, a microphone input terminal 30b, and an audio data input terminal 30c as shown in FIG. 2 are arranged in a line. The volume adjustment dial 29 and the terminals 30 a to 30 c are connected to the through holes 24 of the reinforcing plate 15.
And is exposed on the right side surface of the base portion 6.

On the lower surface of the input / output board 28, a hard disk drive 31 which is a kind of functional component is supported. The hard disk drive 31 is electrically connected to the input / output board 28 via the first connector 32.

As shown in FIG.
Are supported as shown in FIG. Tray 33
Are horizontally arranged along the base frame portion 13a. The tray 33 constitutes a device accommodating section 34 inside the base section 6 in cooperation with the base frame section 13a. The device housing section 34 includes
1 are arranged side by side.

The device accommodating portion 34 is provided with the front wall 8e of the base portion 6.
13 (see FIG. 13).
A second connector 36 is disposed at the end of the device housing 34 facing the insertion opening 35. The second connector 36 is mounted on a connector board 37, and the connector board 37 is supported by a rear end of the base frame 13a.

Either a CD-ROM drive device 38 or a floppy disk drive device (not shown) as a pack-shaped device is selectively removably inserted into the device accommodation portion 34 through an insertion port 35. . CD-ROM drive 38
A third connector 39 is disposed at the insertion end of the third connector 39. The third connector 39 is fitted into the second connector 36 when the CD-ROM drive device 38 is completely inserted into the device accommodating portion 34, and the fitting causes the CD-ROM drive device 38
Are held in the device accommodating section 34.

As shown in FIGS. 8 to 11, the tray 3
3 has an ejector support portion 41 extending rearward. An ejector 42 is attached to the upper surface of the ejector support 41. The ejector 42 includes an eject plate 43, an eject lever 44 for operating the eject plate 43, and a lock lever 45 for locking the eject lever 44.

The eject plate 43 is moved to a first position (FIG. 10) where the eject plate 43 advances from the end of the device accommodating portion 34 toward the insertion port 35.
) And a second position (shown in FIGS. 8 and 9) that stops at the end of the device accommodating portion 34, and is supported on the upper surface of the ejector support portion 41 so as to be slidable in the front-rear direction. The eject lever 44 is connected to a rear end of the eject plate 43 via a first pin 46. The eject lever 44 is rotatably supported by the rear end of the ejector support portion 41 via a second pin 47 at a position adjacent to the first pin 46.

The eject lever 44 has a second pin 47
Is selectively rotated between the eject position and the eject release position with the fulcrum as a fulcrum. As shown in FIG. 10, when the eject lever 44 is rotated rearward toward the eject position, the eject plate 43 is slid forward toward the first position.
The CD-ROM drive device 38 is pushed out from the insertion port 35 of the device accommodating portion 34 via the third device 3. As shown in FIG. 9, when the eject lever 44 is rotated to the eject release position, the eject plate 43 is slid so as to be retracted to the end of the device accommodating portion 34, and the CD by the eject plate 43 is used.
-The pushing of the ROM drive device 38 is released.

The lock lever 45 extends in the front-rear direction of the tray 33 at a position adjacent to the eject plate 43, and an intermediate portion along the longitudinal direction is rotatable about a shaft 33 a protruding from the lower surface of the tray 33. It is supported by. A finger hook 49 and a first engaging portion 50 are formed at the rear end of the lock lever 45. The finger hook 49
The rear wall 1 of the stand 7 together with the eject lever 44
0b is exposed to the outside. First engagement part 5
Numeral 0 extends from the lock lever 45 toward the eject plate 43.

The lock lever 45 has a lock position (shown in FIGS. 8 and 9) in which the first engagement portion 50 is hooked on the eject plate 43 when the eject plate 43 is slid to the second position. The first engagement portion 50 is artificially rotated over a lock release position (shown in FIGS. 10 and 11) in which the first engagement portion 50 is disengaged from the eject plate 43.

The lock lever 45 has a second engaging portion 51 at a front end opposite to the first engaging portion 50. The second engaging portion 51 is provided with a lock lever 45 as shown in FIG.
When the is rotated to the lock position, it advances into the device accommodating portion 34 and is caught by the engaging recess 38 a on the side surface of the CD-ROM drive device 38, and locks the CD-ROM drive device 38 to the device accommodating portion 34. When the lock lever 45 is rotated to the unlock position as shown in FIG. 10, the second engagement portion 51 is disengaged from the engagement recess 38a of the CD-ROM drive 38,
The lock of the CD-ROM drive device 38 with respect to the device accommodation portion 34 is released.

Therefore, as long as the lock lever 45 is at the lock position, the eject lever 44 cannot be rotated to the eject position, and the second engaging portion 51 of the lock lever 45 is engaged with the CD-ROM drive device 38. In addition to the fact that the CD-ROM drive device 38 is caught in the engagement recess 38a, an erroneous ejection operation of the CD-ROM drive device 38 can be prevented.

The lock lever 45 has a third engaging portion 52 at a position adjacent to the first engaging portion 50. The third engagement portion 52 is located below the connector board 37, and the detection switch 5 mounted on the lower surface of the connector board 37.
Facing 4 When the lock lever 45 is moved to the lock position as shown in FIG. 9, the third engagement portion 52 is disengaged from the actuator 54a of the detection switch 54 to turn on the detection switch 54, and
When the lock lever 45 is turned to the unlock position as shown in FIG.
, The detection switch 54 is turned off.

For this reason, the detection switch 54 controls ON / OFF of energization to the CD-ROM drive 38 by detecting the position of the lock lever 45, and the lock lever 45 is moved to the unlock position. Under such circumstances that the eject lever 44 can be operated to the eject position, the power supply to the CD-ROM drive device 38 is turned off.

As shown in FIG. 4, the input / output board 28, the tray 33 and the connector board 37 are covered by a first shield plate 56 from below. The first shield plate 56 is provided with the first portions 14a, 1 of the reinforcing plates 14,15.
5 a is screwed to the lower end and is integrated with the frame body 13. The first shield plate 56 is arranged in parallel along the bottom wall 8 a of the base portion 6, and a rear end portion of the first shield plate 56 has a rising wall 57 that enters the inside of the stand portion 7. Are formed.

The first shield plate 56 is connected to the frame body 1
3 of the base frame portion 13a and the first of the reinforcing plates 14 and 15
In cooperation with the portions 14a and 15a, the input / output board 28, the device accommodating section 34, and the connector board 37 are surrounded, and leakage of electromagnetic noise from the base section 6 is prevented.

As shown in FIGS. 12 and 13, a front door 59 is disposed at the front end of the base 6.
The front door 59 extends over the entire width of the base 6, and both left and right ends of the front door 59 are connected to the side walls 8 c and 8 d of the base 6. The front door 59 has a closed position (shown in FIG. 12) that covers the front wall 8e and the insertion opening 35 of the base portion 6 and an open position where the front door 59 falls down in front of the base portion 6 to expose the front wall 8e and the insertion opening 35. (Shown in FIG. 13) is supported by the front end of the base portion 6 so as to be openable and closable.

For this reason, the CD-ROM for the device accommodation section 34
The loading / unloading operation of the drive device 38 or the floppy disk drive device is performed with the front door 59 turned to the open position.

As shown in FIGS. 2, 16 and 17,
Decorative side stripe members 60 are attached to the left and right side surfaces of the device main body 2 bent in a substantially L shape, respectively. The side stripe material 60 has a double-sided adhesive tape 61 on a contact surface with the apparatus main body 2, and is detachably attached to the side surface of the apparatus main body 2 via the double-sided adhesive tape 61. The side stripe material 60 is made of a rubber material having a high texture and an excellent feel when touched with a fingertip. This side stripe material 60 is
It is colored in a different color from the device main body 2 and extends in a band along the side surface of the device main body 2, and has a function as an accent color that emphasizes the side shape of the device main body 2.

On the front surface of the front door 59, a decorative front stripe member 62 is attached. The front stripe material 62 is made of the same rubber material as the side stripe material 60, and is colored in the same color as the side stripe material 60. The front stripe member 62 is detachably adhered to the front door 59 via a double-sided adhesive tape (not shown), and extends like a band along the width direction of the base portion 6.

As shown in FIG. 12, both ends of the front stripe member 62 are connected to the front end of the side stripe member 60 when the front door 59 is closed. As shown best in FIG. 14, both ends of the front stripe member 62 are curved in an arc and wrap around both sides of the front door 59, and both ends of the front stripe member 62 have H-shapes. The locking portion 63 having the cross-sectional shape of is formed integrally. The locking portions 63 are fitted in the grooves 64 on both sides of the front door 59, and the fitting prevents the floating of the both ends of the front stripe member 62.

A plurality of side stripe members 60 and front stripe members 62 having different colors are prepared, and can be freely replaced with stripe members 60 and 62 having colors according to the operator's preference. ing. In this case, since each of the stripe members 60 and 62 is merely attached to the side surface of the apparatus main body 2 and the front surface of the front door 59, the replacement operation of the stripe members 60 and 62 without disassembling the apparatus main body 2 is performed. It can be performed.

As shown in FIGS. 4, 15 and 16A, a main circuit board 66 is housed inside the stand 7 of the apparatus main body 2. As shown in FIG. The circuit board 66 is screwed to the stand frame portion 13b of the frame 12, and the front wall 10a and the rear wall 10
b and is inclined along the stand 7.

The circuit board 66 includes the reinforcing plate 1 of the frame 12.
4, 15 and the size that fits tightly in the portion surrounded by the display support plate 16, and the lower end thereof is electrically connected to the input / output board 28 via a flexible wiring board (not shown). Have been. And
The circuit board 66 has a first mounting surface 67a facing the rear wall 10b of the stand 7 and a second mounting surface 67b facing the stand frame 13b of the frame 12.

On the first mounting surface 67a of the circuit board 66,
A CPU socket 69 is mounted. CPU socket 69
Is located on the right side of the upper end of the circuit board 66 when the apparatus main body 2 is viewed from behind, and the semiconductor package 70 is mounted on the CPU socket 69. The semiconductor package 70 includes an IC chip 71 constituting a CPU.
The power consumption during operation of the IC chip 71 is increasing in order to process a variety of multimedia information such as characters, voices, and images, and the amount of heat generated by the IC chip 71 is large enough to require cooling. It has become something.

On the first mounting surface 67a of the circuit board 66, a cooling device 73 for promoting heat radiation of the IC chip 71 is provided. The cooling device 73 includes a heat sink 74,
An electric fan unit 75 and a heat pipe 76 are provided.

The heat sink 74 is made of a metal material having excellent thermal conductivity such as an aluminum alloy.
The heat sink 74 has a heat radiating plate 79 on which a large number of heat radiating projections 78 are protruded. The fan unit 75 includes a fan 7 driven by a motor (not shown).
5a, and the fan 75a faces the heat radiation projection 78 of the heat sink 74. The heat sink 74 and the fan unit 75 are connected to the circuit board 66 and the display support plate 16 of the frame 12 via the bracket 80.
And a heat radiating plate 79 of the heat sink 74.
Faces the first mounting surface 67 a of the circuit board 66 on the left side of the semiconductor package 70.

Heat sink 74 and fan unit 7
Reference numeral 5 is located in the center of the stand 7 along the width direction. At the center of the stand 7, the rear wall 10b is curved in an arc shape so as to protrude rearward, and the thickness of the stand 7 is the thickest. For this reason, a sufficient space for accommodating the heat sink 74 and the fan unit 75 stacked on each other can be secured in the central portion of the stand portion 7.

The heat pipe 76 is disposed over the IC chip 71 and the heat sink 74. A heat receiving block 81 is fixed to an end of the heat pipe 76 on the heat receiving side. The heat receiving block 81 is made of a metal material having excellent heat conductivity, such as an aluminum alloy, and the heat receiving side end of the heat pipe 76 is thermally connected to the heat receiving block 81. And the heat receiving block 81
Are connected to the IC chip 71 via a holder 82 using a leaf spring.
, And a heat transfer sheet (not shown) is interposed between the heat receiving block 81 and the IC chip 71. The end on the heat radiation side of the heat pipe 76 is fitted to the heat radiation plate 79 of the heat sink 74 and is thermally connected to the heat radiation plate 79.

The cooling device 73 is covered by a rear wall 10b of the stand 7, and the rear wall 10b has
A plurality of exhaust ports 90 facing the fan 75a of the fan unit 75 are formed.

In the cooling device 73 having such a configuration,
When the IC chip 71 of the semiconductor package 70 generates heat,
The heat of the IC chip 71 is transmitted to the heat receiving block 81. The heat transmitted to the heat receiving block 81 is positively transferred to the heat sink 74 via the heat pipe 76, and is radiated outward by diffusion to the heat sink 74.

When the temperature of the IC chip 71 exceeds a predetermined value, the fan 75 a rotates and the air in the stand 7 flows toward the heat sink 74. The heat sink 74 is forcibly cooled by the flow of the air, and the air that has cooled the heat sink 74 is discharged to the outside of the stand unit 7 through the exhaust port 90. Therefore, the heat of the IC chip 71 transferred to the heat sink 74 via the heat pipe 76 can be efficiently released to the outside of the stand unit 7, and the operation guarantee temperature of the IC chip 71 can be maintained at an appropriate value. it can.

As shown in FIG. 15, the circuit board 66 includes
A power supply circuit section 85 is provided. The power supply circuit section 85
It is located below the semiconductor package 70. The power supply circuit section 85 has a large number of circuit components 86 mounted on the first and second mounting surfaces 67a and 67b of the circuit board 66. Among these circuit components 86, the power transistor 87 that generates a large amount of heat is connected to the circuit board 6 as shown in FIG.
6 is mounted on the second mounting surface 67b of the
Is opposed to the stand frame portion 13b.

As shown in FIG. 4, on the second mounting surface 67b of the circuit board 66, a video chip 88 having a large heat value for processing image information is mounted. The video chip 88 is located on the left side of the upper end of the circuit board 66, and faces the stand frame portion 13b of the frame 12.

A heat transfer sheet 89 is interposed between the power transistor 87 and the stand frame 13b and between the video chip 88 and the stand frame 13b. The heat transfer sheet 89 includes the power transistor 8
7, the stand frame portion 13b and the video chip 88
And the stand frame portion 13b are thermally connected.

Therefore, the heat of the power transistor 87 and the video chip 88 is transmitted to the stand frame portion 13b and diffused throughout the frame 12, and the frame 12 is connected to the power transistor 87.
And functions as a kind of heat sink for promoting heat radiation of the video chip 88.

As shown in FIG. 15, the first
A card holder 91 for accommodating a PC card (not shown) is mounted on the mounting surface 67a. Card holder 91
Has a flat box shape, and is connected to the card slot 92 on the right side of the stand 7 via the notch 26 of the frame 12.

As shown in FIGS. 15 and 17, a power connector 93 and a USB connector 94 are mounted on the first mounting surface 67a of the circuit board 66. The connectors 93 and 94 are arranged side by side on the left side of the lower end of the circuit board 66, and a modular connector 95 for LAN connection is arranged beside the USB connector 94.

As best shown in FIG. 18, the power supply connector 93 is connected to the cable connector 9 of the power supply cable 97.
8 has an insertion opening 93a into which the insertion hole 8 is inserted. The USB connector 94 is connected to a USB extending from the keyboard unit 3.
The cable 99 has a pair of insertion ports 94a into which the cable connector 100 is inserted. The modular connector 95 has an insertion port 95a into which the jack 102 of the LAN cable 101 is inserted. Each of these connectors 9
The insertion ports 93a to 95a of the 3 to 95 are opened downward of the stand 7 inside the stand 7, and are located above the base 6.

As shown in FIGS. 4 and 16, on the inner surface of the rear wall 10b of the stand 7, a second shield plate 105 is provided.
Is attached. The second shield plate 105 is curved in an arc shape along the rear wall 10b. A flange portion 106 extending forward is formed on the upper edge of the second shield plate 105, and the tip of the flange portion 106 extends below the display support plate 16 of the frame 12.

The left and right sides of the second shield plate 105 are connected to the second portions 14b, 15b of the reinforcing plates 14, 15, respectively.
Is struck. Also, the second shield plate 105
Is in contact with the upper end of the rising wall 57 of the first shield plate 56. For this reason, the second shield plate 105 is connected to the stand frame portion 13 of the frame body 13.
b, surrounding the circuit board 66 in cooperation with the second portions 14b and 15b of the reinforcing plates 14 and 15 and the display support plate 16 to prevent leakage of electromagnetic noise from the stand 7.

As shown in FIGS. 17 and 18, a cable insertion portion 110 is provided at the lower left end of the stand 7.
Are formed. The cable insertion section 110 has an opening 112 that opens to the rear wall 10 b of the stand section 7, and is separated from the inside of the stand section 7 via a partition wall 111. The insertion ports 93a to 95a of the connectors 93 to 95 are provided at the upper end of the cable insertion portion 110.
Are opened in a line.

For this reason, the power cable 97, the USB cable 99 and the LAN cable 101 are connected to the respective connectors 93 to 95 from below the stand section 7, and these cables 97, 99 and 101 are connected to the respective connectors 93 to 95. In the connected state, the cables 97, 99, and 101 are drawn downward along the inclination of the stand 7.

As shown in FIG. 19, the cable insertion portion 11
0 is an opening 112 for the removable cable cover 1.
13. The cable cover 113
Each connector 93 to 95 and each cable 97, 99, 101
And is curved in an arc shape along the rear wall 10b of the stand 7. Therefore, the cable cover 113 is continued to be flush with the rear wall 10b and also serves as a part of the rear wall 10b.

One cable insertion opening 114 is formed at the lower end of the cable cover 113. The cable insertion port 114 is formed by a cutout opening at the lower edge of the cable cover 113.
The cables 97, 99, 101 connected to the connectors 93 to 95 through 4 are drawn out of the apparatus main body 2.

Each of the connectors 93 to 95 has an insertion port 93.
Since the cables 97, 99, and 101 connected to the connectors 93 to 95 are pulled downward along the inclination direction of the stand 7, since the cables 97, 99, and 101 are mounted on the circuit board 66 with the a to 95a facing downward. I have. For this reason, the cables 97, 99, 101 do not protrude toward the rear of the stand portion 7, and these cables 97, 99, 10
1 and the connectors 93 to 95 are connected to the cable cover 1.
13, the cable cover 11
3 does not protrude behind the rear wall 10b of the stand 7.

Therefore, the cable cover 113 is
The shape of the cable cover 113 can be simplified, and the thickness of the stand portion 7 can be reduced.

The cable cover 113 covers and conceals the connecting portions between the cables 97, 99, 101 and the connectors 93 to 95.
Reference numerals 99 and 101 are collectively drawn out of the apparatus main body 2 from one cable insertion port 114. for that reason,
The wires of the cables 97, 99, and 101 are clearly arranged, and the appearance of the personal computer 1 when viewed from behind is particularly good.

As shown in FIGS. 1 and 3, a flat liquid crystal display unit 120 is supported on the upper end of the stand 7 of the apparatus main body 2. The liquid crystal display unit 120 includes a display housing 121 made of a synthetic resin, and a liquid crystal display module 122 housed in the display housing 121.

The display housing 121 is divided into a display cover 123 and a display mask 124. The display cover 123 has a rectangular plate shape, and a liquid crystal display module 122 is screwed to an inner surface of the display cover 123. The display mask 124 has a rectangular frame shape having a display opening 125, and the display screen 122 a of the liquid crystal display module 122 is exposed to the outside through the opening 125.

The display housing 121 is
It has narrow left and right side surfaces extending vertically. Side stripes 126 for decoration are attached to the side surfaces of the display housing 121, respectively. The side stripe material 126 is detachably attached to a side surface of the display housing 121 via a double-sided adhesive tape (not shown). Side stripe material 12
Reference numeral 6 is made of a rubber material having a high texture and an excellent feel when touched with a fingertip. The side stripe material 126 is colored in a color different from that of the display housing 121, and extends in a belt shape along the side surface of the display housing 121, and has a function as a kind of accent color.

As shown in FIG. 21, the display cover 123 has a back surface 127 facing the upper part of the front wall 10 a of the stand 7. At a substantially central portion of the rear surface 127, a pair of hinge mounting recesses 128a and 128b are formed. Hinge mounting recesses 128a, 128
b are arranged apart from each other in the width direction of the display cover 123.

As shown in FIGS. 21 and 23, a pair of friction type hinge fittings 130a and 130b for supporting the liquid crystal display unit 120 are attached to the display supporting portion 16 of the frame main body 13. The hinge fittings 130a and 130b are respectively connected to the first bracket 13
1, the second bracket 132 and these brackets 1
And a hinge shaft 133 extending between 31 and 132.

The first bracket 131 includes a base 134 screwed to the display support 16 and the base 1.
And a bearing 135 extending upward from the bearing 34. The hinge 135 is supported by the bearing 135 so as to be rotatable around the axis. And these hinge fittings 130a,
The hinge shaft 133 of 130b is coaxial with each other and arranged horizontally.

The second bracket 132 is connected to the hinge shaft 13
3 and a shaft support 136 fixed to
And a connecting portion 137 connected to the connecting portion 137. Shaft support 136
Are adjacent to the bearing portion 135, and these shaft support portions 1
Between the shaft 36 and the bearing 135 and between the shaft support 136 and the hinge shaft 133, a corrugated washer 138 for restricting free rotation of the hinge shaft 133 by applying frictional resistance to the hinge shaft 133.
Is interposed.

The connecting portion 137 of the second bracket 132
Are fitted into the hinge mounting recesses 128a and 128b on the back 127 of the display cover 123. A metal reinforcing plate 140 as shown in FIG. 20 is overlaid on the inner surface of the display cover 123 corresponding to the hinge mounting recesses 128a and 128b.
The reinforcing plate 140 faces the connecting portion 137 of the second bracket 13 with the display cover 123 interposed therebetween. The reinforcing plate 140 and the connecting portion 137 are connected to each other via a plurality of screws 141 penetrating the display cover 123, and the second bracket 132 of the hinge fittings 130a and 130b is received by the reinforcing plate 140. I have.

As a result, the liquid crystal display unit 12
Reference numeral 0 denotes a horizontal hinge shaft 13 that is held vertically above the central portion of the upper wall 8b of the base portion 6 and that is positioned horizontally.
3 is supported by the stand 7 of the apparatus main body 2 so as to be rotatable up and down by a predetermined angle about the fulcrum 3.
The inclination angle of the liquid crystal display unit 120 can be changed to an angle that makes it easy to see a.

In this case, the force generated when the liquid crystal display unit 120 is turned up and down mainly depends on the metal reinforcing plate 1 superposed on the inner surface of the display cover 123.
Since the central portion of the display cover 123 is deformed and bent, the liquid crystal display unit 120 can be smoothly rotated.

As shown in FIGS. 20 and 21, a cable insertion hole 143 is formed in the central portion of the display cover 123 and in the reinforcing plate 140. Cable insertion hole 1
Reference numeral 43 is located between the hinge fittings 130a and 130b, and a cable 144 for electrically connecting the liquid crystal display module 122 to the circuit board 66 is wired through the cable insertion hole 143.

The hinge fittings 130 a and 130 b and the hinge mounting recess 128 of the display cover 123 are provided.
The cable insertion holes 143 through which the cables a and 128b and the cable 144 pass are covered and hidden by the hinge cover 145. The hinge cover 145 is connected to the display cover 43.
Are supported by the reinforcing plate 140 via a pair of screws 146 penetrating through the holes.

As shown in FIG. 2, FIG. 3 and FIG. 21, a transport handle 150 is attached to the upper end of the stand 7 of the apparatus main body 2. The handle 150 includes a grip portion 151 gripped by a finger, and the grip portion 151.
And a pair of bosses 152a and 152b connected to both ends of the boss. The hinge fittings 130a and 130b are located between the bosses 152a and 152b.

In the case of the present embodiment, the hinge shafts 133 of the hinge fittings 130a and 130b are respectively connected to the boss 1
Extension 153 extending coaxially toward 52a, 152b
The extension 153 of the hinge shaft 133 passes through the bosses 70a and 70b of the handle 150 so as to be rotatable around the axis. For this reason, the handle 150
Hinge axis 1 supporting liquid crystal display unit 120
It is supported by the apparatus main body 2 by utilizing 33.

Therefore, the handle 150 is connected to the hinge shaft 13
2 can be rotated between a use position (shown in FIG. 2) extending above the stand portion 7 with the fulcrum as a fulcrum and a storage position (shown in FIG. 3) that falls down behind the stand portion 7.
The center of rotation of the handle 150 and the center of rotation of the liquid crystal display unit 120 are located on the same axis.

The upper wall 10e of the stand 7 has a storage groove 154 into which the grip 151 of the handle 150 enters when the handle 150 is rotated to the storage position.

According to the personal computer 1 having such a configuration, the stand 7 extending upward from the rear end of the base 6 to support the liquid crystal display unit 120 has a box shape having the same width as the base 6. No. For this reason, an accommodation space extending in the width direction of the base portion 6 can be secured inside the stand portion 7, and the main circuit board 66 can be accommodated using the stand portion 7.

The other main components such as the input / output board 28, the hard disk drive 31, and the CD-ROM drive 38 are housed inside the base portion 6, so that these drive devices 31, 38 and the circuit board 66 can be three-dimensionally arranged along the shape of the device main body 2 which is bent into a substantially L-shape when viewed from the side, and the planar shape of the base portion 6 placed on the mounting surface 4 increases. Also, the thickness of the base portion 6 does not increase significantly.

Therefore, the hard disk drive 31 and the main circuit board 66 can be mounted inside the main body 2 without hindering the compactness of the main body 2.
Parts having a relatively large shape, such as the CD-ROM drive 38, can be arranged without difficulty and efficiently.

Further, since the CD-ROM drive device 38 and the hard disk drive device 31 which dislike vibration are accommodated in the base portion 6 placed on the mounting surface 4, both drive devices 31, 38 are located higher than the center of gravity of the device main body 2. It can be located below. For this reason, there is an advantage that vibration is hardly transmitted to the CD-ROM drive device 38 and the hard disk drive device 31.

The inclination angle of the stand of the apparatus main body is not limited to the above embodiment, but is 90 °.
It is good if it is less than.

[0099]

According to the present invention described above, the circuit board can be accommodated by using the stand supporting the liquid crystal display unit. Therefore, the circuit board and other functional parts can be accommodated along the shape of the apparatus body. The base portion can be arranged three-dimensionally, and the planar shape of the base portion placed on the mounting surface does not increase, and the thickness of the base portion does not increase significantly.

Therefore, the circuit board and various functional components can be easily and efficiently arranged inside the apparatus main body without hindering the compactness of the apparatus main body, and there is an advantage that the space saving is not impaired. .

[Brief description of the drawings]

FIG. 1 is an exemplary perspective view of a desktop personal computer according to a first embodiment of the present invention;

FIG. 2 is an exemplary perspective view of the personal computer as viewed from the rear;

FIG. 3 is a sectional view of an apparatus main body.

FIG. 4 is a side view of the personal computer showing a cross section of the apparatus main body.

FIG. 5 is a perspective view of a frame serving as a skeleton of the apparatus main body.

FIG. 6A is a left side view of the frame. FIG. 7B is a sectional view taken along line AA in FIG. (C) shows FIG.
Sectional drawing which follows the BB line of (A).

FIG. 7A is a right side view of the frame. FIG. 7B is a cross-sectional view taken along line CC of FIG. (C) shows FIG.
Sectional drawing which follows the DD line of (A).

FIG. 8 is a plan view of a device housing section having an ejector.

FIG. 9 is a plan view showing a state in which a CD-ROM drive device is housed in a device housing unit.

FIG. 10 is a plan view showing a state where the CD-ROM drive device has been ejected from the device housing section.

FIG. 11 is an exemplary perspective view showing a positional relationship between a CD-ROM drive device housed in a device housing portion and an ejector;

FIG. 12 is a perspective view of a base portion of the apparatus main body showing a state where a front door is closed.

FIG. 13 is a perspective view of a base portion of the apparatus main body showing a state in which a front door is opened and a CD-ROM drive device is inserted into and removed from a device accommodating portion.

FIG. 14 is a perspective view of a base portion of the apparatus main body showing a state in which an end of a front stripe material is hooked on a front door.

FIG. 15 is a perspective view of a personal computer showing an internal structure of a stand of the apparatus main body.

FIG. 16A is a sectional view of a stand portion of the apparatus main body.
FIG. 17B is an enlarged cross-sectional view showing a portion E in FIG.

FIG. 17 is an exemplary side view of the personal computer illustrating a lead-out path of a power cable connected to a power connector;

FIG. 18 is an exemplary perspective view of a personal computer illustrating a positional relationship between a power supply connector, a USB connector, and a modular connector, and a power supply cable, a USB cable, and a LAN cable;

FIG. 19 is an exemplary perspective view of the personal computer showing a state where a cable is pulled out from a cable insertion port of the cable cover;

FIG. 20 is an exemplary perspective view of a personal computer showing a positional relationship between a display cover and a reinforcing plate;

FIG. 21 is a cross-sectional view showing a connection structure between the apparatus main body and the liquid crystal display unit.

FIG. 22 is a sectional view showing a mounting structure of a reinforcing plate and a hinge cover.

FIG. 23 is a perspective view showing an attachment structure of a hinge shaft and a handle of the hinge fitting.

[Explanation of symbols]

2 Device main body 4 Mounting surface 6 Base part 7 Stand part 28, 31 Functional parts (input / output board, hard disk drive) 66 Circuit board 71 CPU (IC chip) 120 Liquid crystal display unit

Claims (8)

[Claims] 1. An information processing apparatus comprising: a device main body placed on a mounting surface; and a liquid crystal display unit integrated with the device main body, wherein the device main body is a base placed on the mounting surface. A base portion extending upward from the base portion and supporting the liquid crystal display unit at an upper end thereof. The base portion is formed in a box shape having predetermined width and depth dimensions. The functional parts are housed inside the base part, and the stand part is formed in a box shape having the same width as the base part, and the circuit board on which the CPU is mounted is housed inside the stand part. An information processing apparatus characterized by being performed. 2. The information processing apparatus according to claim 1, wherein the base portion of the device main body has a device accommodating portion for selectively and removably accommodating the pack-shaped device. 3. The apparatus according to claim 1, wherein the stand of the apparatus main body includes a front wall rising from the base,
The circuit board has a front wall and a rear wall facing the front wall,
An information processing apparatus, wherein the information processing apparatus is disposed between the front wall and the rear wall in a vertical posture along the front wall. 4. The circuit board according to claim 3, wherein the circuit board has a mounting surface facing the rear wall, and a cooling device for promoting heat radiation of the CPU is arranged on the mounting surface. Information processing device. 5. The method according to claim 4, wherein the rear wall includes:
It is curved in an arc shape so as to protrude backward as it goes to the center part along the width direction of the stand part, and the thickness of the stand part is the largest at the center part in the width direction, and this thickness dimension is An information processing apparatus, wherein the cooling device is located at a central portion of a stand portion which is the largest. 6. The apparatus according to claim 5, wherein the cooling device comprises: a heat sink thermally connected to the CPU;
An information processing apparatus comprising: a fan unit stacked on the heat sink. 7. The device body according to claim 3, wherein the apparatus main body has a cable insertion portion below the stand portion, and a connector mounted on the circuit board faces an upper end of the cable insertion portion. The information processing apparatus according to claim 1, wherein the connector has an insertion port to which a cable is detachably connected, and the insertion port of the connector is opened downward toward the cable insertion portion. 8. The cable insertion portion according to claim 7, wherein the cable insertion portion has an opening that is opened in a rear wall of the stand portion, and the opening is covered with a removable cable cover. An information processing apparatus, wherein a single cable insertion opening for drawing out the cable is formed in the cable cover.