JP2001110383A - Battery apparatus and electronic equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a battery apparatus that is excelled in versatility and can naturally cope with increased number of control items. SOLUTION: Battery pack 46 as a battery apparatus is equipped with a boxy battery case 303 that integrates secondary batteries. The battery case includes an end face 303c facing a plurality of connecting terminals 44a-44e of a battery connector 44 when placed in a battery storage portion 40 with a battery connector 44. Disposed on an end face of the battery case have been a plurality of terminal boards 310a-310e connected to connecting terminals of the battery connector and a plurality of spare terminal boards 310f-310j arranged in a line.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] 1. Field of the Invention [0002] The present invention relates to a battery device having a box-shaped battery case in which a plurality of terminal boards are installed, and an electronic device such as a book-type portable computer.

[0002]

2. Description of the Related Art A book-type portable computer is
It has an advantage that it can be used freely even in a place where it is easy to carry and a commercial AC power supply cannot be obtained by using a battery pack built in the housing as a power supply.

A battery pack used in this type of computer has a battery case in which a plurality of secondary batteries and a thermistor are housed. The battery case has a rectangular box shape, and a plurality of terminal boards are arranged in a line on one end face along the longitudinal direction of the battery case.

[0004] The housing of the computer has a battery accommodating portion for detachably accommodating the battery pack.
The battery accommodating portion has a size such that the battery case fits tightly, and a battery connector is arranged at one end of the battery accommodating portion. The battery connector includes a plurality of protruding and retractable connection terminals, and a terminal plate of the battery pack is elastically in contact with these connection terminals.

[0005]

The terminal plate of a conventional battery pack is connected to a rechargeable battery or a thermistor built in a battery case, and its use is all in combination with a connection terminal of a battery connector. I have decided.

Therefore, the number of personal computers that can be driven in accordance with the type of the secondary battery contained in the battery case is limited, and there is room for improvement in improving the versatility of the battery pack.

In addition, for example, when the number of control items of the battery pack increases due to the high performance of personal computers, the number of terminal boards becomes insufficient, and it is impossible to quickly respond to the increase of control items.

The present invention has been made in view of such circumstances, and has as its object to provide a battery device and an electronic apparatus which are excellent in versatility and can cope with an increase in control items without difficulty.

[0009]

To achieve the above object, a battery device according to the present invention is housed in a battery housing portion having a battery connector, and has a box shape including an end face facing a plurality of connection terminals of the battery connector. And a plurality of terminal plates arranged side by side on an end face of the battery case and in contact with connection terminals of the battery connector; and a plurality of spare terminals arranged on the end face of the battery case and adjacent to the terminal plate. And a plate.

In order to achieve the above object, an electronic apparatus according to the present invention includes a housing having a battery housing, a battery connector disposed at one end of the battery housing and having a plurality of connection terminals, And a box-shaped battery pack housed in the battery housing section. The battery pack has an end surface facing the plurality of connection terminals of the battery connector, and a plurality of terminal plates in contact with the connection terminals of the battery connector, and a plurality of spare terminal plates are arranged in a line on this end surface. It is characterized by being arranged.

According to such a configuration, when, for example, two types of secondary batteries are accommodated in the battery case (battery pack), one secondary battery is connected to the terminal plate and the other secondary battery is connected to the terminal plate. If the battery is electrically connected to the spare terminal plate, positive and negative output terminals corresponding to the two types of secondary batteries can be provided on the end surface of the battery case (battery pack). For this reason, electronic devices having different types of driving secondary batteries can be driven by one battery pack (battery device).

Further, even if the control items of the battery pack (battery device) increase in the near future, the spare terminal board can be used as it is, and the control items can be easily handled. Can be.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a first embodiment of the present invention will be described.
A description will be given with reference to FIGS. 1 to 24 applied to a portable computer.

FIG. 1 shows an A4-size book-type portable computer 1. This computer 1
Includes a base unit 2 and a display unit 3 supported by the base unit 2.

The base unit 2 has a housing 4 in the shape of a rectangular box. The housing 4 has a flat rectangular box shape having a bottom surface 5a and a top surface 5b facing each other, a front surface 5c and a rear surface 5d connected to the bottom surface 5a and the top surface 5b, and left and right side surfaces 5e and 5f.

The housing 4 is divided into a lower housing 7 having a bottom surface 5a and an upper housing 8 having an upper surface 5b. The lower housing 7 and the upper housing 8 are made of a synthetic resin material such as an ABS resin.

As shown in FIG. 4 and FIG. 10, a circuit board 10 is accommodated in the lower housing 7. The circuit board 10 is fixed to a plurality of bosses 11 on the bottom surface 5a of the lower housing 7 via screws 12, and is arranged in parallel with the bottom surface 5a. The circuit board 10 has a bottom surface 5
It has a square shape having substantially the same size as a, and its front, rear, left and right peripheral edges are adjacent to the front surface 5c, the rear surface 5d, and the left and right side surfaces 5e, 5f of the lower housing 7. Various circuit components 13 such as an LSI package are mounted on the upper and lower surfaces of the circuit board 10.

As shown in FIG. 4, a hard disk drive 15 and a CD-ROM drive 16 are accommodated in the lower housing 7. The hard disk drive 15 is located at the left end of the front half of the lower housing 7 and is mounted on the upper surface of the circuit board 10.
The hard disk drive 15 is connected to the circuit board 10 via a hard disk connector (not shown).

The CD-ROM drive 16 is located at the right end of the rear half of the lower housing 7 and is screwed on the bottom surface 5a of the lower housing 7. Therefore, the circuit board 10 fixed to the bottom surface 5a of the lower housing 7
As shown in FIGS. 4 to 6, a notch 18 which escapes the CD-ROM drive device 16 is provided, and the notch 18 is opened at the right peripheral portion of the circuit board 10.

As shown in FIGS. 6 and 7, the CD-ROM drive device 16 includes a metal casing 20 having a flat box shape. The casing 20 includes a plurality of tongue pieces 2.
1 and these tongues 21 are attached to the bottom surface 5 of the lower housing 7.
a. The casing 20 has a thickness dimension that fits inside the lower housing 7.
The upper surface 20a of the casing 20 is located at the upper open end of the lower housing 7, as shown in FIG.

On the side surface of the casing 20, a disk insertion opening 22 is opened. A guide frame 23 is attached to the disc insertion slot 22. The disk insertion port 22 faces the right side surface 5f of the lower housing 7, and the disk insertion port 22
An opening 24 for exposing is formed.

As shown in FIG. 7, a disk storage portion 27 and a disk drive portion 28 are stored inside the casing 20 so as to be vertically stacked. The disk storage unit 27 includes a disk holder 30 supported so as to be able to be pulled out of the casing 20. The disc holder 30 includes a bottom wall 32 on which a disc-shaped optical disc 31 is placed, and a bottom wall 32.
And an end wall 33 continuous with the end wall. The bottom wall 32 faces the lower surface, which is the information recording surface of the optical disc 31, and
An access window 34 is opened in the bottom wall 32. The end wall 33 has a size capable of opening and closing the disk insertion slot 22, and is exposed to the opening 24 on the side surface 5f.

For this reason, the disc holder 30 is inserted into and taken out of the disc storage section 27 through the opening 24, and the size of the disc storage section 27 is determined according to the diameter of the optical disk 31. .

The disk drive unit 28 has a spindle motor for driving the optical disk 31 to rotate and a control circuit for this motor. This disk drive unit 28 has a smaller shape than the disk storage unit 27. For this reason, as shown in FIG.
A step 35 is formed in a portion defined by the upper surface a and the lower surface 27 a of the disk storage portion 27.

The casing 20 has a concave portion 36 at a position corresponding to the step 35 so as to enter the step 35. The recess 36 has an upper surface 36a along the lower surface 27a of the disk storage portion 27 and a side surface 36b along the side surface 28a of the disk drive portion 28. The upper surface 36a and the side surface 36b cooperate with each other to form the casing 20. The space 37 is configured to be continuously opened laterally and downward.

As shown in FIG. 6, the concave portion 36 of the casing 20 is located at the rear of the casing 20.
The rear part connected to the notch 18 of the circuit board 10 enters into the recess 36, and the circuit board 1
0 and the circuit component 13 are housed in the space 37. Therefore, the notch 18 of the circuit board 10
-It is formed smaller than the planar shape of the ROM drive device 16, and the mounting area of the circuit board 10 is increased accordingly.

As shown in FIGS. 2 and 4, the lower housing 7 has a battery housing 40 at a front end thereof.
The battery accommodating portion 40 is located on the left side of the hard disk drive device 15 and in front of the CD-ROM drive device 16, and is formed of a recess opened upward of the lower housing 7. I have. A metal shield plate 41 is disposed at the bottom of the battery housing 40, and the shield plate 41 covers and covers the upper surface of the front half of the circuit board 10.

As shown in FIG. 8, a battery holder 42 made of a synthetic resin is disposed between the battery housing 40 and the hard disk drive 15. A battery connector 44 is disposed on a surface of the battery holder 42 facing the battery housing 40. This battery connector 44
Are mounted on the upper surface of the circuit board 10.

The battery pack 46 is removably accommodated in the battery accommodating section 40. The battery pack 46 serves as a power supply for driving the computer 1 when the computer 1 is used in a place where commercial AC power cannot be obtained. The battery pack 46 is inserted into and removed from the battery housing section 40 from above the lower housing 7. When the battery pack 46 is accommodated in the battery accommodating portion 40, the positive and negative terminal plates of the battery pack 46 come into contact with the battery connector 44. For this reason, in the computer 1 of the present embodiment, the hard disk drive 15 and the battery pack 46 are arranged side by side in the front half of the lower housing 7.

As shown in FIG. 8, the upper surface of the hard disk drive 15 is covered with a shield plate 48. The shield plate 48 is screwed to the bottom surface 5a of the lower housing 7, and the shield plate 48 integrally includes a plurality of board mounting seats 49.

An acoustic board 50 is screwed to the board mounting seat 49. A terminal cover 51 is attached to the left end of the acoustic board 50. The terminal cover 51
The terminal cover 51 covers a plurality of jacks (not shown) arranged on the acoustic board 50. The terminal cover 51 has a plurality of plug holes 53 (shown in FIG. 9) connected to the jacks. The plug hole 53 is for inserting and removing a plug of a headphone or the like (not shown), and is exposed on the left side of the lower housing 7.

The computer 1 according to the first embodiment has a model equipped with a CD-ROM drive 16 and a model equipped with a floppy (registered trademark) disk drive instead of the CD-ROM drive 16. The acoustic board 50 is detached from the board mounting seat 49 in a model equipped with a floppy disk drive.

As shown in FIG. 10, a first card housing 56 and a second card housing 57 are arranged on the upper surface of the circuit board 10. The first and second card storage units 56 and 57 are respectively provided with PCMCIA (Personal Computer Card).
This is for accommodating an expansion card 58 such as an International Association) card or an interface card in a removable manner. These card storage units 56, 57
Are located behind the hard disk drive 15 and to the left of the CD-ROM drive 16 and are stacked in the thickness direction of the lower housing 7.

First and second card storage units 56 and 57
Is adjacent to the left side surface 5e of the lower housing 7. The side face 5e is provided with a card insertion slot 59 through which the expansion card 58 can be inserted and removed.

As shown in FIG. 4, the first and second card receiving portions 56 and 57 respectively include a card connector 60 to which an expansion card 58 is detachably connected and an expansion card inserted from the card insertion slot 59. Guide rails 61a and 61b for guiding the card 58 to the card connector 60 are provided.

Further, the first and second card storage units 5
Each of the ejectors 62 and 57 includes an ejector 62 for ejecting the expansion card 58. The ejector 62 has an operation lever 63 pressed by a fingertip by an operator. The operation lever 63 is supported by the guide rails 61 a and 61 b so as to be able to protrude and retract, and is exposed to the card insertion slot 59.

As shown in FIGS. 4, 5 and 9, the lower housing 7 is provided with a card cover 65 for opening and closing the card insertion slot 59. Card cover 65
Has a first opening 66 connected to the first and second card storage portions 56 and 57. This card cover 65
Has a first small cover 67 that opens and closes the first opening 66.
Is attached. The first small cover 67 has a second opening 68 connected to the lower second card housing portion 57. A second small cover 69 that opens and closes the second opening 68 is attached to the first small cover 67.

Therefore, even when the card cover 65 is closed, the first and second card housings 56 and 57 can be exposed by opening the first small cover 67, and the second small cover 69 can be exposed. By opening only the second card accommodating portion 57, only the second card accommodating portion 57 can be exposed.

Therefore, if only the first or second small cover 67, 69 is opened in a state where the expansion card 58 is mounted in the first card accommodating section 56 or the second card accommodating section 57, First or second openings 66, 6
A cable (not shown) can be connected to the expansion card 58 through 8.

At this time, the first and second card storage units 5
A large card insertion slot 59 common to 6 and 57 is covered by a card cover 65. Therefore, the opening area connected to the first and second card storage portions 56 and 57 can be reduced to a necessary minimum, and the intrusion of dust and the like into the first and second card storage portions 56 and 57 can be prevented. be able to.

As shown in FIG. 4 and FIG.
At the rear end, a metal connector panel 72 is attached. The connector panel 72 has a length covering the entire width of the circuit board 10, and extends upward at a rear end portion of the circuit board 10. The connector panel 72 is integrally provided with flange portions 72a and 72b at its upper end and lower end, respectively. The upper flange portion 72a is overlaid on the upper end of the rear surface 5d of the lower housing 7. The lower flange portion 72b overlaps the bottom surface 5a of the lower housing 7.

The connector panel 72 has a first parallel port 73 for connecting a printer or an external floppy disk drive, an expansion port 74 for connecting an external expansion station, and an external CRT display. An RGB connector 75, a connection port 76 for connecting a peripheral device having an RS232C standard interface connector, and a keyboard connector 77 for connecting an external keyboard or mouse are supported.

The various ports 73, 74, 76 and the connectors 75, 77 are arranged in a row in the horizontal direction of the connector panel 72, and as shown in FIG. It is exposed to. Then, various ports 73, 74, 76 and connectors 75, 7
7 is electrically connected to the circuit board 10, and the connection portions between the ports 73, 74, 76 and the connectors 75, 77 and the circuit board 10 are covered from behind by a connector panel 72.

Incidentally, on the rear surface 5d of the lower housing 7,
A port cover 78 that covers the extension port 74 so that it can be opened and closed is attached.

As shown in FIG. 11, a second parallel port 80 for connecting an external floppy disk drive and a power switch 81 are mounted at the rear of the circuit board 10. The second parallel port 80 and the power switch 81 are vertically arranged when the lower housing 7 is viewed from the left.

The second parallel port 80 is connected to the circuit board 1
The lower surface of the circuit board 10 is adjacent to the left side edge of the circuit board 10. The second parallel port 80 faces an outlet 82 opened in the left side surface 5 e of the lower housing 7. The side surface 5 e of the lower housing 7
A side cover 83 that opens and closes the outlet 82 is attached.

The power switch 81 includes a switch body 84
And a push-type armature 85 supported by the switch body 84. This power switch 81
Has a lead (not shown) derived from the switch body 84, and is supported on the circuit board 10 by inserting the lead into the circuit board 10 and soldering the lead to the lower surface thereof.

For this reason, the power switch 81 is arranged on the upper surface of the circuit board 10 at a position avoiding the second parallel port 80, and is shifted to the right of the second parallel port 80. The armature 85 of the power switch 81 faces the left side surface 5 e of the lower housing 7, and an opening 86 facing the armature 85 is formed in the side surface 5 e.
The opening 86 is located directly above the outlet 82.

On the other hand, as shown in FIG. 1, the upper housing 8 of the housing 4 is divided into a housing main body 90 and a palm rest 91 connected to the front end of the housing main body 90. The housing main body 90 includes the keyboard mounting section 9.
2 and a projection 93.

The keyboard mounting portion 92 has left and right side walls 94.
a, 94b and rear wall 94c, and these respective walls 94a-9
4 c and a bottom wall 94 d (shown in FIGS. 6 and 10), and has a size that covers substantially the entire upper surface of the housing main body 90. The bottom wall 94d of the keyboard mounting section 92 is mounted on the CD-ROM drive 16
And a first partition wall 94e extending downward, as shown in FIG. 8, at the front end of the bottom wall 94d.

The lower end of the partition wall 94e is connected to the circuit board 1
It is screwed to the boss portion 11 of the lower housing 7 together with 0. The partition wall 94e also serves as a rear wall of the battery housing section 40, and partitions between the battery housing section 40 and the inside of the lower housing 7.

The protrusion 93 is located immediately after the keyboard mounting section 92. The projection 93 is provided in the housing body 9.
The housing body 90 protrudes upward from the upper surface and extends along the lateral direction of the housing body 90, and has a length that covers the entire width of the housing body 90.

As shown in FIG. 12, the projection 93 has a front surface 95 extending upward from the upper surface of the housing body 90, an upper surface 96 extending rearward from the upper end of the front surface 95, and a downward surface extending from the rear end of the upper surface 96. The housing has a rear surface 97 extending therefrom, and has a hollow shape having a housing space 98 opened downwardly of the housing body 90 as a whole. This convex part 9
3 is continuous with the rear surface 5 d of the housing 4.
It is exposed behind the housing 4.

The convex portion 93 is provided with a pair of display support portions 1.
00a and 100b. Display support 1
Reference numerals 00a and 100b are arranged apart from each other in the lateral direction of the convex portion 93, and are configured by concave portions that are continuously opened forward, upward, and rearward of the convex portion 93, respectively.

The display supporting portions 100a, 10a
0b is a configuration common to the left and right, and therefore, the left display support unit 100a will be described as a representative. FIG. 13 and FIG.
As shown in FIG. 2, the display support portion 100a includes a bottom surface 101 connected to the top surface of the housing body 90,
01 and left and right side surfaces 102 and 103. The bottom surface 101 has a bottom opening 101a, which is open toward the inside of the housing main body 90. The side surfaces 102 and 103 have side openings 102a and 103a, respectively. Side opening 102
a and 103a are connected to the bottom opening 101a,
The housing space 98 is open.

A cover 106 is screwed to the display support portion 100a from inside the housing main body 90. The cover 106 is, as shown in FIGS.
It has a bottom wall portion 108 that covers the bottom opening 101a of the display support portion 100a, and a pair of left and right side walls 109a and 109b that fit into the side openings 102a and 103a. Side wall portions 109a and 109b are provided with side openings 102a,
Openings 110a and 110b are formed on the side surfaces 102 and 103 of the display support portion 100a in cooperation with 103a.

The projection 93 is provided on the display support 1.
Power supply accommodating portion 113 located between 00a and 100b
And hinge accommodating portions 114a and 114b located on both left and right sides of the display support portions 100a and 100b. As shown in FIG. 13, the power supply housing 113 and the hinge housings 114a and 114b
It is located above the rear end of the circuit board 10 and is connected to the inside of the lower housing 7.

As shown in FIG. 14, the front face 95 of the power supply accommodating section 113 is connected to the front face 9 of the hinge accommodating sections 114a and 114b.
5 protrudes toward the keyboard mounting portion 92 in front of it. Therefore, the front face 95 of the power supply accommodating section 113 and the front face 95 of the hinge accommodating sections 114a and 114b are positioned so as to be shifted back and forth, and there is a step between the front faces 95. The upper surface of the housing main body 90 on which the front surface 95 is carried has flat portions 115a and 115b that enter the steps.

The keyboard mounting portion 9 of the housing body 90
2, a keyboard 117 is arranged. The keyboard 117 includes a keyboard panel 118. The keyboard panel 118 has a rectangular plate shape that can be fitted to the keyboard mounting section 92, and is mounted on the bottom wall 94 d of the keyboard mounting section 92. On the upper surface of the keyboard panel 118, a number of keys 119 and a joystick 120, which is a kind of pointing device, are arranged.

The keyboard panel 118 has a front edge 118a (shown in FIG. 8) located at the front end of the keyboard mounting section 92 and a rear edge 118b (shown in FIG. 12) along the rear wall 94c of the keyboard mounting section 92. And A plurality of engagement protrusions 121 (only one is shown in FIG. 12) are formed on the rear edge 118b of the keyboard panel 118,
These engagement protrusions 121 are provided in the engagement holes 1 formed in the rear wall 94c.
22.

As shown in FIGS. 2 and 8, at the front end of the keyboard mounting portion 92, a keyboard press 125 is mounted. The keyboard retainer 125 has an elongated rod shape extending over the entire width of the keyboard panel 118. The keyboard retainer 125 is detachably locked to the front end of the bottom wall 94d of the keyboard mounting portion 92, and the keyboard panel 11 is held between the keyboard holder 125 and the bottom wall 94d.
8 front edge 118a.

For this reason, the keyboard 117 includes a front edge portion 118a and a rear edge portion 118b of the keyboard panel 118.
And are supported by the keyboard mounting portion 92. And
The front edge 118a of the keyboard panel 118 is covered by a keyboard retainer 125.

The palm rest 9 of the upper housing 8
Reference numeral 1 is located on the near side of the keyboard 117. The palm rest 91 is connected to the front end of the keyboard mounting section 92 and covers the hard disk drive 15 and the battery housing section 40 from above.

As shown in FIGS. 1 and 8, the palm rest 9
1 integrally has a hand rest 126 for the operator to operate the keyboard 117 and a peripheral wall 127 extending downward from the front edge and left and right side edges of the hand rest 126. The lower end is mounted on the front half of the lower housing 7 so as to be movable back and forth. Hand rest 12
6, a pair of operation buttons 128a and 128b for executing and canceling a command are arranged in front and behind. Further, a cutout 129 for exposing the terminal cover 51 is formed in the left peripheral wall 127.

The palm rest 91 is connected to the keyboard mounting section 92. As shown in FIG. 2, support arms 130 a and 130 b extending rearward are integrally formed at both left and right ends of the palm rest 91. The support arms 130a and 130b are connected to the keyboard mounting portion 9
It enters between the two side walls 94 a and 94 b and the keyboard 117.

The side walls 94a, 94 of the keyboard mounting section 92
b has a fitting portion 131 into which the support arms 130a and 130b are slidably fitted, as shown as a representative of the right side wall 94b in FIGS. A concave portion 1 is provided at a portion of the fitting portion 131 facing the support arms 130a and 130b.
32 are formed. The recess 132 has an upper edge 132a extending in the front-rear direction, and a front edge 132b extending downward from the front end of the upper edge 132a. Front edge 1
The lower end of 32b is connected to the bottom wall 94d of the keyboard mounting portion 92. A vertically extending ridge 133 is formed at an intermediate portion of the recess 132 along the front-rear direction.

The support arms 130 a and 130 b have a shaft 135 that fits into the recess 132. Shaft 135
Is in contact with the upper edge 132a of the recess 132 so as to be slidable in the front-rear direction. Therefore, as shown in FIG. 17B, by pulling out the palm rest 91 toward the user,
The shaft 135 is connected to the upper edge 132 a of the recess 132 and the front edge 12.
When the palm rest 91 is positioned at the corner defined by b and the front end of the palm rest 91 is pulled up in this state, the palm rest 91 pivots upward about the shaft 135 as a fulcrum, as shown in FIG. The hard disk drive 15 and the battery housing 40 are exposed upward. Then, the rotation of the palm rest 91 is stopped when the rear end of the peripheral wall 127 of the palm rest 91 contacts the upper ends of the side walls 94a and 94b of the keyboard mounting portion 92, as shown in FIG.

Therefore, the palm rest 91 is provided between the closed position for covering the hard disk drive 15 and the battery housing 40 from above,
5 and an open position where the battery housing 40 is exposed upward, and is supported by the keyboard mounting portion 92 so as to be rotatable. For this reason, the battery pack 46 is inserted and removed from above the housing 4 with the palm rest 91 rotated to the open position.

When turning the palm rest 91 from the open position to the closed position, first, the palm rest 91 is turned downward, and the peripheral wall 127 of the palm rest 91 is placed on the upper end of the lower housing 7. Then, in this state, the palm rest 91 is slid backward toward the keyboard mounting portion 92. Then, the support arms 130a and 130b
Fits into the fitting portion 131. At this time, the shaft 135
Since the user rides over the ridge 133 while sliding on the upper edge 132a of the fitting portions 131a, 131b, a sense of movement is given at this time, and it can be recognized that the palm rest 91 has been slid to the closed position.

Since the palm rest 91 is elongated over the entire width of the housing 4, when the palm rest 91 is slid backward, the left and right support arms 130a, 13a are provided.
0b is not always slid without shifting back and forth, and there may be a case where one of the support arms 130a or 130b is tilted to an oblique posture such that it is located close to the operator.

However, even if the palm rest 91 is slid in an inclined state, the other support arm 130a or 1
Since the shaft 135 of 30b rides over the ridge 133, the other support arm 130a or 130b and the fitting portion 131 are aligned. Then, after that, if one end of the support arm 130a or 130 located on the hand side is pressed backward, the shaft 135 of the one support arm 130a or 130b rides over the ridge 133, and Support arm 1
The alignment between the fitting portion 131 and the fitting 30a or 130b is performed. Therefore, the slidability of the palm rest 91 to the closed position can be favorably maintained.

Note that, as shown in FIG.
1 has a pair of left and right latches 138a, 138b
Is arranged. The latches 138a and 138b are for holding the palm rest 91 in the closed position, and are hooked on the upper front end of the lower housing 7 in a detachable manner.

As shown in FIG. 2, a metal inner panel 140 is screwed to the back surface of the palm rest 91. The inner panel 140 is connected to the battery
And is located in a portion facing the same. This inner panel 14
0 and the back of the hand rest 126, the operation button 12
8a, 128b, switches 141a,
141b and the speaker 142 are accommodated. The speaker 142 is located at the right end of the hand rest 126, and the hand stand 126 has a plurality of through holes 143 for passing sound.

The housing 4 houses an AC power supply unit 150 for converting a commercial AC power supply into a DC power supply and outputting the converted DC power supply. AC power supply unit 150
As shown in FIG. 12, a power supply circuit board 151, various circuit components 152 mounted on the power supply circuit board 151,
A power supply circuit board 151 and a case 153 surrounding the circuit components 152 are provided. The circuit components 152 include components that generate heat during the conversion operation. This AC power supply unit 150, as seen in FIG.
It has a prismatic shape extending in the lateral direction of the housing 4. And
The AC power supply unit 150 is housed in the power housing 113 of the housing main body 90, and is electrically connected to the circuit board 10 via the relay cable 154.

The AC power supply unit 150 is arranged along the upper flange 72 a of the connector panel 72, and is located above the rear end of the circuit board 10. The AC power supply unit 150 has one end in the longitudinal direction via a holder 155 made of synthetic resin.
0, and the other end is supported by the connector panel 72.

That is, as shown in FIG. 20, one end of the power supply circuit board 151 of the AC power supply unit 150 is led out through the notch 153a of the case 153, and one end of the power supply circuit board 151 is Holder 155
It is supported by. 13 and FIG.
As shown in FIG. 2, a mounting seat 156 is provided on the upper surface of the circuit board 10. The mounting seat 156 is
The three places separated in the left-right direction are fixed to the boss 11 of the lower housing 7 via the screw 12 together with the circuit board 10.

The holder 155 is mounted on the power supply circuit board 151.
Has a support wall 158 facing one end of the support. The support wall 158 stands upright in front of the connector panel 72, and the lower end thereof is connected to the mounting seat 156. A pair of locking portions 159a and 159b are formed at the upper end of the support wall 158, and one end of the power supply circuit board 151 is detachably locked to the locking portions 159a and 159b.

As shown in FIG. 21, the power supply circuit board 151
Is penetrated through the case 153 and led out. The other end of the power supply circuit board 151 is located on a flange portion 72a of the connector panel 72, and a screw 1 is provided on an upper surface of a support piece 160 connected to the flange portion 72a.
It is fixed via 61. For this reason, the AC power supply unit 150 is located at the upper end of the connector panel 72, and most of the AC power supply unit 150 projects upward from the upper surface opening of the lower housing 7.

When the lower housing 7 is covered with the upper housing 8, as shown in FIG. 12, the AC power supply unit 150 enters the power supply accommodating portion 113 of the projection 93, and the AC power supply unit 150 It occupies most of the space inside the housing 113.

The rear surface 97 of the projection 93 has a large number of ventilation holes 1.
62 is open. The ventilation hole 162 is provided in the power storage unit 1.
13, the presence of these ventilation holes 162 enhances the heat dissipation of the AC power supply unit 150.

As shown in FIG. 12, the AC power supply unit 1
50 includes a cable 165 having a power connector 164. The cable 165 is connected to the power supply circuit board 15
1 connected. The power connector 164 is connected to the connector panel 7 below the AC power unit 150.
2 and is exposed to the rear surface 5 d of the lower housing 7.

The power connector 164 is mounted on the upper surface of the circuit board 10 at a position adjacent to the support wall 158 of the holder 155. This support wall 1
A connector holding portion 167 that is in contact with the upper surface of the power connector 164 is integrally formed on a side surface of the power connector 58. The connector holding portion 167 is parallel to the circuit board 10, and sandwiches the power connector 164 in cooperation with the circuit board 10.

For this reason, the power connector 164 is held by the lower housing 7 using the holder 155.
A plug 169 of a power cord 168 connected to a commercial AC power supply is detachably inserted into the power supply connector 164.

As shown in FIG. 10 and FIG. 14, an icon 173 is arranged on the left flat portion 115a on the upper surface of the housing main body 90. The icon 173 is located immediately before the display support unit 100a. The icon 173 is an icon substrate 1 made of a synthetic resin having translucency.
74. The icon substrate 174 has a rectangular shape extending in the left-right direction.
Is flush with the flat portion 115a.

The icon board 174 includes the computer 1
A plurality of display marks 175 for displaying the operation status and the contents of the function in a pattern are drawn. These display marks 175
Are arranged at intervals in the left-right direction. And
As shown in FIG. 10, the flat portion 115a has the display mark 1
An opening 176 that opens into the inside of the housing 4 at a portion facing the opening 75
The opening 176 faces the upper surface of the circuit board 10.

As shown in FIGS. 4, 19 and 22,
On the rear upper surface of the circuit board 10, a plurality of light emitting diodes 178 serving as a light source of the icon 173 are arranged in a line. The light emitting diode 178 faces the display mark 175 of the icon 173. A lens assembly 180 that guides light from the light emitting diode 178 to the display mark 175 is disposed between the light emitting diode 178 and the display mark 175. The lens assembly 180 includes a plurality of cylindrical lenses 181. These lenses 181 are arranged vertically along the up-down direction, and the upper portions thereof are integrally connected via a connecting wall 182.

As shown in FIGS. 19 and 22, the lens assembly 180 is located near the support wall 158 of the holder 155. The lens assembly 18 is provided on the support wall 158.
The lens supporting portion 183 supporting the lens 0 is integrally formed. The lens support portion 183 includes a plurality of guide portions 184 having a hollow cylindrical shape, and a flat wall portion 185 extending over the upper end portions of the guide portions 184. Guide part 184
Are arranged vertically along the up-down direction, the lower end opening thereof faces the light emitting diode 178 on the circuit board 10, and the upper end opening thereof faces the opening 176 of the flat portion 115a.

Each lens 181 of the lens assembly 180 is
The lens 181 is inserted from above the holder 155 into the guide portion 184, and the connection wall 182 above the lens 181 is superimposed on the upper surface of the wall 185. For this reason, the lower end surface of the lens 181 faces the light emitting diode 178 and the upper end surface enters the opening 176 to face the display mark 175 of the icon substrate 174.

Therefore, when the light emitting diode 178 emits light, this light is transmitted through the lens 181 in the axial direction and guided to the display mark 175 as shown by the arrow in FIG. As a result, the display mark 178 corresponding to the light emitting diode 178 that is emitting light is turned on.

As shown in FIG. 11 and FIG.
0, the power switch 81 is turned ON / OF
A switch 188 made of a synthetic resin for F operation is arranged. The switch operator 188 is connected to the lower housing 7.
Between the power supply switch 81 and the left side surface 5e.

As best shown in FIGS. 19 and 22, the switch operation member 188 includes a bent portion 190 bent in a U-shape, and first and second lever portions connected to both ends of the bent portion 190. 191a and 191b. These lever portions 191a and 191b face each other and cross the left side of the power switch 81.

The first lever portion 191a is arranged along the side surface 5e of the lower housing 7. The lever portion 191 a has a pressing portion 1 at an end opposite to the bent portion 190.
92 are provided. The pressing portion 192 is exposed to the outside of the housing 4 through an opening 86 opened in the side surface 5e. The pressing portion 192 has a rod-shaped pressing protrusion 193.
It has. The pressing protrusion 193 is connected to the second lever portion 19.
1b extends through the notch 194 toward the power switch 81, and the tip thereof is in contact with the armature 85.

The second lever portion 191b is connected to the bent portion 1
An engaging portion 196 is integrally provided at an end opposite to the end 90. The locking portion 196 extends toward the left end of the mounting seat 156, and the lower edge of the locking portion 196 has an upwardly cut groove 1 as shown in FIG.
97 are formed. In the case of the present embodiment, an engagement groove 198 cut downward is formed at the left end of the mounting seat 156 of the holder 155, and the groove 197 is inserted into the engagement groove 198. I have. Therefore, the switch operator 188 is locked to the holder 155, and the engagement groove 198 forms a switch support.

As shown in FIG. 19, the corner defined by the second lever portion 191b and the locking portion 196 of the switch operator 188 has a rib-like wall portion extending from the side surface 5e of the lower housing 7. 199. For this reason,
In the switch operation member 188, a locking portion 196 connected to the second lever portion 191b is held by the side surface 5e of the lower housing 7 and the holder 155.
Are fulcrums of the second lever portion 191b.

Therefore, when the pressing portion 192 is pressed with a fingertip, the first lever portion 191a is elastically deformed with the bent portion 190 as a fulcrum, and the second lever portion 191b is elastically deformed with the locking portion 196 as a fulcrum. Due to this deformation, the pressing projection 193 is pressed to press the armature 85 of the power switch 81, and the power switch 81 is turned ON / OFF.
It is supposed to be.

On the other hand, the display unit 3
The housing 205 includes a flat box-shaped housing 205 of four sizes, and a color liquid crystal display 206 housed in the housing 205. The housing 205 is divided into a front panel 207 and a rear panel 208. The front panel 207 has an opening 209 for exposing the color liquid crystal display 206.

The housing 205 has first and second legs 210a and 210b. The first and second legs 210a and 210b are connected to the front panel 20.
7 and a rear portion 212 connected to the rear panel 209 are abutted against each other. For this reason, the first and second legs 210a, 210
10b has a hollow shape, as shown in FIG.
The inside of the first leg 210a on the left side is
The cable passage 213 is connected to the internal space of the cable.

First and second legs 210a, 210b
Are connected to the display support portions 100a and 100b of the housing 4 via hinge devices 215, respectively. This connection structure will be described using the first leg 210a as a representative.

As shown in FIG. 13, the first leg 210a
Are the side surfaces 102 and 103 of the display support portion 100a.
And left and right leg side surfaces 216a and 216b facing the same. A communication hole 217 is opened in the left leg side surface 216a. The communication hole 217 is continuous with the opening 110 a of the side surface 102. An insertion hole 218 connected to the cable passage 213 is opened in the right leg side surface 216b. The insertion hole 218 is continuous with the opening 110 b of the side surface 103.

The hinge device 215 comprises a hinge shaft 220 and a first shaft fixed to one end of the hinge shaft 220.
Bracket 221 and a second bracket 22 connected to the other end of the hinge shaft 220 so as to be rotatable around the axis.
2 is provided.

The hinge shaft 220 extends through the opening 110a and the communication hole 217. One end of the hinge shaft 220 is introduced inside the first leg 210a, and the first bracket 221 at one end of the hinge shaft 220 is screwed to the inner surface of the rear portion 212 of the first leg 210a. ing. The other end of the hinge shaft 220 is
The second bracket 22 at the other end of the hinge shaft 220 is introduced into the hinge accommodating portion 114 a of the convex portion 93.
2 is screwed to the lower housing 7.

Therefore, the hinge shaft 220 serves as a fulcrum of rotation of the display unit 3.
The color liquid crystal display 206 is rotatably supported by the housing 4 between a closed position that covers the keyboard 17 from above and an open position where the color liquid crystal display 206 stands up behind the keyboard 117.

The first and second legs 210a, 21
When the display unit 3 is rotated to the open position, the front surface 9b of the hinge accommodating portions 114a and 114b
5 has a leg front surface that is substantially flush with the front surface. The front of the leg
With respect to the front surface 95 of the power supply housing 113, the flat portion 115
a, 115b. And the first
The icon 173 is located just before the front of the leg 210a.

As shown in FIGS. 13 and 14, a cable 226 connected to the color liquid crystal display 206 is guided to the cable passage 213 of the first leg 210a.
The cable 226 is a bundle of many wires in a bundle.
It has flexibility. The cable 226 is held between the first bracket 221 and the inner surface of the rear part 212, and the insertion position in the cable passage 213 is determined. The cable 226 is connected to the opening 11
The cable 226 is hidden from the outside of the computer 1 by being guided to the power supply accommodating portion 113 of the projection 13 through the insertion hole 218 and the insertion hole 218.

In this case, as shown in FIG. 13, a cable introduction passage 227 is formed between the right side surface 103 of the display support portion 100a and the AC power supply unit 150 housed in the power supply housing 113. I have. The cable introduction passage 227 is opened right above the holder 155 toward the inside of the lower housing 7, and the cable 226 is introduced into the cable introduction passage 227.

The cable 226 is connected to the cable introduction passage 22.
7, the bent end of the cable 226 is bent forward on the circuit board 10. A hard core 228 having a cylindrical shape is coaxially mounted on a portion of the cable 226 located on the circuit board 10.

A first stacking connector 229 as shown in FIG. 14 is attached to the distal end of the cable 226. This first stacking connector 229 is
Second stacking connector 23 on the upper surface of circuit board 10
Connected to 0. With this connection, the display unit 3 and the base unit 2 are electrically connected.

As shown in FIG.
The core 228 is located between the support wall 158 of the holder 155 and the lens support 183. A core support 232 is integrally formed between the support wall 158 and the lens support 183. The core support 232 is
As shown in FIG. 22, the core support portion 232 is configured by a concave portion opened upward, and extends in the front-rear direction on the circuit board 10. The core 228 of the cable 226 is fitted inside the core support 232. For this reason, the core 228 is provided near the connection portion between the cable 226 and the circuit board 10.
5 is held on the circuit board 10.

Therefore, the holder 155 has a function of holding not only the AC power supply unit 150 but also the power supply connector 164, the lens assembly 180, the switch operator 188, and the cable 226.

In the computer 1 according to the first embodiment, since the icons 173 are arranged on the upper surface of the housing main body 90, when the display unit 3 is turned to the closed position, the icons 173 are also displayed. Will be obscured by. for that reason,
If the icon 173 is provided with a display function related to the power supply, the display related to the power supply cannot be seen when the display unit 3 is closed.

Therefore, as shown in FIG. 1, the computer 1 is provided with an indicator 240 for displaying a power supply in the center of the front surface 5c of the lower housing 7. The indicator 240 includes two light emitting units 241a,
241b. These light emitting units 241a, 241
Are arranged side by side.

The one light emitting section 241a is connected to the computer 1
Indicates whether or not the power supply is connected to a commercial AC power supply, and emits light when the commercial AC power supply is connected when the power switch 81 is OFF.

The other light emitting section 241b is for identifying the charging status of the battery pack 46. When the commercial AC power supply is connected to the computer 1 with the power switch 81 turned off, the charging of the battery pack 46 is performed. It emits green light inside, and emits orange light when charging is completed. Since the charging of the battery pack 46 is performed when the power switch 81 is turned off, when the power switch 81 is turned on, the charging of the battery pack 46 is stopped and the light emitting unit 241b is turned off. .

The light emitting units 241a and 241b are
As shown in FIG. 24, the front surface 5c of each of the lower housings 7 is provided.
The lens 243 is exposed to the camera. Lens 243
Is made of a transparent synthetic resin material,
0 is located forward of the leading edge.

On the lower surface of the front end of the circuit board 10, a pair of light emitting diodes 244 serving as a light source of the indicator 240 are arranged. The light emitting diode 244 faces not the front surface 5c but the bottom surface 5a of the lower housing 7, and the light emitting diode 244 emits light toward the bottom surface 5a.

For this reason, as shown in FIG.
43 is integrally provided with a light guide 245 extending from the front surface 5c of the lower housing 7 toward the bottom surface 5a. Light guide 2
45 is a front surface 245a and a rear surface 245b facing each other.
And These front surface 245a and rear surface 245
“b” has a flat inclined surface that is inclined backward as it proceeds downward.

At the lower end of each light guide section 245, a light receiving section 246 for receiving light from the light emitting diode 244 is integrally formed. The light receiving section 246 is provided on the bottom surface 5 a of the lower housing 7.
And the light emitting diode 244. The light receiving section 246 has an upper surface 246a and a lower surface 246b facing each other. The upper surface 246a is on the circuit board 1
0 and substantially parallel to the lower surface of the light emitting diode 244.
And face each other. Further, the lower surface 246b is
As it proceeds to the rear of 46, it is inclined in a direction away from the bottom surface 5c.

For this reason, as shown in FIG.
The light emitted downward from the light emitting diode 244 enters the upper surface 246 a of the light receiving unit 246, is reflected by the inclined lower surface 246 b so as to be refracted obliquely forward and upward, and is guided to the light guide unit 245. This light guide 245
The front surface 245a and the rear surface 245b are inclined backward as they go downward, so that the light from the light receiving portion 246 is repeatedly reflected by the lens 243 so as to be refracted upward with the inclination of the front surfaces 245a and 245b. The light is guided and radiated to the front of the lower housing 7.

The light receiving portions 246 of the lens 243 are connected to each other via a connecting portion 248. A tongue piece 249 overlapping with the bottom surface 5a is integrally formed on the lower surface of the connecting portion 248, and the tongue piece 249 is fixed to a projection 250 projecting from the bottom surface 5a.

According to such an indicator 240, although the light emitting diode 244 is attached to the lower surface of the circuit board 10, the light emitting diode 244
Can be guided to the front surface 5c of the lower housing 7 via the light receiving unit 246 and the light guiding unit 245. Therefore, it is not necessary to arrange the light emitting units 241a and 241b of the indicator 240 and the light emitting diode 244 so as to face each other.
Also, the degree of freedom of the installation position of the light emitting diode 244 increases.

The present invention is not limited to the first embodiment, and FIGS. 25 to 44 show a second embodiment of the present invention. The computer 1 according to the second embodiment is different from the first embodiment mainly in the configuration around the battery pack 46 and the matters related to the attachment of the speaker 142, and the other basic components of the computer 1 are different. The configuration is the same as that of the first embodiment. Therefore, in the second embodiment, the same components as those of the computer 1 of the first embodiment are denoted by the same reference numerals, and description thereof will be omitted.

As shown in FIG. 25, the computer 1 of the second embodiment has a floppy disk drive 300 instead of the CD-ROM device 16. The floppy disk drive 300 has a loading port 301 for a floppy disk, and the loading port 301 is opened on the right side surface 5 f of the lower housing 7.

The battery pack 46 used in the computer 1 has a battery case 303 made of synthetic resin as shown in FIG. Battery case 303
Has a rectangular box shape having a major axis X1 extending in the width direction of the computer 1 and a minor axis X2 extending in the depth direction of the computer 1.

The battery case 303 includes a case body 303a that is opened upward, and a cover plate 303b that covers an open end of the case body 303a. Inside the battery case 303, for example, ten nickel hydrogen rechargeable batteries 304 are accommodated, and a thermistor 305, a breaker 306, and a temperature fuse 307 are utilized by utilizing a gap between the adjacent rechargeable batteries 304. Is arranged.

At one end of the battery case 303 along the direction of the long axis X1, a terminal holder 309 is arranged.
The terminal holder 309 has first to fifth terminal plates 310.
a to 310e are supported. Terminal boards 310a-31
As shown in FIG. 27, 0 e are arranged in a row in the direction of the short axis X <b> 2 of the battery case 303 in a state of being exposed on one end surface 303 c of the battery case 303 substantially flush. The first and fifth terminal plates 310a,
Reference numeral 310e is a positive / negative output terminal of the battery pack 46 connected to the secondary battery 304. The second and fourth terminal plates 310b and 310d are connected to the thermistor 3
05. Also, the third terminal plate 310c
Are used as spare terminals or terminals for determining the type of the secondary battery 304.

As shown in FIG. 27, the battery case 30
3 has a plurality of rib-shaped partition walls 31 on one end surface 303c.
1 is formed. These partition walls 311 extend in the thickness direction of the battery case 303, and are arranged at intervals in the direction of the short axis X2 of the battery case 303. A part of the partition wall 311 is interposed between the first to fifth terminal plates 310a to 310e, and the ends of the partition walls 311 are connected to the first to fifth terminal plates 311.
It protrudes more than 10a-310e.

Therefore, even if a conductive foreign substance such as a clip contacts the one end surface 303c of the battery case 303, the foreign substance is removed by the first to fifth terminal plates 310.
a to 310e so that these terminal plates 310a
To 310e can be prevented.

As shown in FIGS. 26 and 28, a cover plate 303b serving as an upper surface of the battery case 303 is provided.
Are formed with a pair of first fitting recesses 312 and a pair of second fitting recesses 313. First fitting recess 31
The second fitting recess 313 and the second fitting recess 313 are arranged in the direction of the short axis X2 of the battery case 303. The first fitting recess 312 and the second fitting recess 313 They are spaced apart from each other in the direction of the axis Xl.

[0129] As shown in FIG.
A pair of third fitting recesses 314 and a pair of fourth fitting recesses 315 (only one is shown) are formed in the case body 303a serving as the bottom surface of the third fitting 3. Third fitting recess 31
The fourth and fourth fitting recesses 315 are arranged in the direction of the short axis X2 of the battery case 303, respectively. The third fitting recess 314 and the fourth fitting recess 315 They are spaced apart from each other in the direction of the axis Xl.

As shown in FIG. 28A, the first fitting concave portion 312 and the second fitting concave portion 313, and the third fitting concave portion 314 and the fourth fitting concave portion 315 ,
The upper and lower surfaces of the battery case 303 are shifted in the direction of the long axis X1 of the battery case 303.
At the same time, as shown in FIG. 28B, the arrangement intervals of the first and second fitting recesses 312 and 313 and the arrangement intervals of the third and fourth fitting recesses 314 and 315 are different from each other. ing. Therefore, in the case of the present embodiment, the third
The arrangement interval of the fourth fitting concave portions 314 and 315 is set to be larger than the arrangement interval of the first and second fitting concave portions 312 and 313.

The first to fourth fitting recesses 31
The positions of 2 to 315 are appropriately determined according to the type and performance of the battery pack 46. For this reason, the fitting recess 31
2 to 315 have a certain regularity according to the type and performance of the battery pack 46, and
By looking at the position 315, it is possible to easily determine whether or not the battery pack 46 can be used in the computer 1.

Further, the battery case 303 has a curved portion 316 that is curved in an arc shape at the end opposite to the terminal plates 310a to 310e. The curved portion 316
The battery case 303 is located at a corner defined by the other end surface 303 d and the bottom surface. Due to the presence of the curved portion 316, a rounded chamfer is formed at the lower end corner of the other end surface 303 d of the battery case 303. It has been subjected.

As shown in FIGS. 31 and 32, the battery connector 44 to which the battery pack 46 is connected has first to fifth connection terminals 44a to 44e. These first to fifth connection terminals 44a to 44e are connected to the first to fifth terminal plates 310a to 310 of the battery pack 46.
0e, and is always elastically urged in a direction to protrude from the battery connector 44.

As shown in FIGS. 30 and 31, a plurality of battery support walls 320 are formed on the right side surface 5f of the lower housing 7. Battery support wall 320
Is projected toward the inside of the battery housing portion 40 on the side opposite to the battery connector 44,
The battery case 303 is arranged in a row in the direction of the short axis X2. The upper end corner 320a of the battery support wall 320 facing the battery housing section 40 is curved in an arc shape.

As shown in FIG. 32, the battery holder 42
Is a guide surface 322 continuous with the battery connector 44.
And a pair of insertion guide portions 323a, 323 protruding toward the battery housing portion 40 above the guide surface 322.
23b. Insertion guide portions 323a, 323
b is spaced apart in the direction of the short axis X2 of the battery case 303.

At the upper end of the guide surface 322, a plurality of engagement protrusions 324 having a comb shape are formed integrally. The engagement protrusions 324 are arranged at intervals in the direction of the short axis X2 of the battery case 303. These engagement projections 324
Are located directly above the first to fifth connection terminals 44 a to 44 e of the battery connector 44, and when the battery pack 46 is inserted into the battery housing 40, the partition wall 311 of the battery pack 46 It is designed to penetrate.

Further, a pair of projections 326 are formed on the shield plate 41 serving as the bottom surface of the battery housing section 40. The convex portion 326 corresponds to the third fitting concave portion 314 of the battery pack 46. When the battery pack 46 is mounted on the battery accommodating portion 40, the third fitting concave portion 314 is formed.
It is designed to penetrate.

When the battery pack 46 is inserted into the battery
First, the first to fifth terminal plates 310
end face 3 of battery case 303 having a to 310e
The battery pack 46 is held in a posture in which the bent portion 316 of the battery case 303 faces downward and the curved portion 316 of the battery case 303 faces downward. And
This battery pack 46 is connected to the first to fifth terminal plates 3.
When the battery pack is inserted from above the base unit 2 into the battery accommodating section 40 in an oblique posture with the heads 10a to 310e at the top, FIG.
As shown in (1), one end of the battery pack 46 is interposed between the shield plate 41 and the insertion guide portions 323a, 323b.

As the battery pack 46 is inserted, the partition wall 311 of the battery case 303 enters between the engagement projections 324 of the battery holder 42, and the first to fifth terminal plates 310a to 310e The first to fifth connection terminals 44a to 44e are in contact with each other.

Next, the battery pack 46 is rotated downward with the contact portions between the terminal plates 310a to 310e and the connection terminals 44a to 44e as fulcrums.
6 is dropped into the battery housing 40. At this time, since the lower end corner of the battery case 303 opposite to the terminal plates 310a to 310e has a rounded chamfer, when the battery pack 46 is rotated downward, the battery case 303 is turned downward. Interference between the battery and the battery support wall 320 is avoided.

As shown in FIG.
When the battery pack 40 is dropped into the battery storage unit 40, the protrusion 326 at the bottom of the battery storage unit 40 enters the third fitting concave portion 314 of the battery pack 46, and the battery pack 4
It is determined that 6 is suitable for the computer 1.

At this time, another battery pack having a different position of the third fitting concave portion 314 is inserted into the battery accommodating portion 40, or the battery pack 46 is turned upside down as shown in FIG. When the battery pack 40 is inserted, the convex portion 326 of the battery housing 40 abuts against the lower surface of the battery pack 46. Then, the battery pack 46
Remains in the battery housing 40, and the battery pack 46 cannot be securely mounted in the battery housing 40. Therefore, erroneous selection or erroneous mounting of the battery pack 46 can be prevented even by the presence of the protrusion 326.

When the battery pack 46 is
When properly attached to the battery pack 46, the battery pack 46 is connected to the first to fifth connection terminals 44 a of the battery connector 44.
44e to the battery support wall 320, and are sandwiched between the connection terminals 44a to 44e and the battery support wall 320. As a result, the battery pack 46 is held in the battery accommodating section 40 while being electrically connected to the battery connector 44.

When the mounting of the battery pack 46 into the battery housing portion 40 is completed, as shown in FIGS. 26 and 28, the first to fifth connection terminals 44a to 44e and the first to fifth terminal plates The partition wall 31 of the battery case 303 is located above a portion where the partition wall 31 contacts the contact portions 310a to 310e.
1 and the engagement protrusion 324 of the battery holder 42 are brought close to each other in a positional relationship such that they engage with each other.

Therefore, the first to fifth connection terminals 44
a to 44e and first to fifth terminal plates 310a to 310
It is possible to prevent a conductive foreign substance such as a clip from entering the contact portion with e from above, and it is possible to prevent a short circuit accident caused by the foreign substance from entering.

Also, as shown in FIG.
1 has an edge 41 a adjacent to the battery connector 44. A battery connector 44 is provided on the edge 41a.
An escape portion 327 cut out in a direction away from the space is formed. The escape portion 327 includes the first to fifth connection terminals 44a to 44e and the first to fifth terminal plates 310a.
310e is located below the contact portion.

Therefore, when the battery pack 46 is inserted into the battery accommodating portion 40, a conductive foreign matter such as a clip is caught between the insertion end of the battery pack 46 and the shield plate 41. However, the foreign matter enters the escape portion 327. Therefore, it is possible to solve the problem that the first to fifth terminal plates 310a to 310b and the shield plate 41 are short-circuited via the foreign matter.

[0148] As shown in FIG.
Is provided with a ribbon 331 used when the battery pack 46 is removed from the storage section 40. This ribbon 3
31 is made of a synthetic resin sheet material and has a width of 20.
It has a belt shape of about mm. And this ribbon 33
No. 1 has enough strength to maintain a linear shape.

The ribbon 331 is supported by the shield plate 41. The support structure of the ribbon 331 is shown in FIG.
This will be described with reference to FIGS.

The shield plate 41 has a support portion 332 for fixing the ribbon 331. The support 332 is
A pair of insertion holes 332a and 332 through which the ribbon 331 is passed.
b. The insertion holes 332a and 332b have a slit shape extending in the direction of the short axis X2 of the battery case 303, and have the long axis Xl of the battery case 303.
Are spaced apart from each other. Further, the support portion 332 is disposed at a position that is greatly deviated in the direction of the battery support wall 320 from the battery connector 44.

At one end of the ribbon 331, a locking piece 334 is formed continuously. The locking piece 334 is attached to the ribbon 33
1 is bent at a substantially right angle from one end of the ribbon 33.
It has a rectangular shape wider than one. Locking piece 334
Is overlapped on the upper surface of the shield plate 41, and a slit-like communication hole 335 through which the ribbon 331 can be pushed is opened in the locking piece 334. The ribbon 331 having such a shape is provided with the insertion holes 332a and 332b and the communication holes 33.
5 is fixed to the support portion 332 of the shield plate 41 by continuously dipping in the support plate 5.

That is, in order to attach the ribbon 331 to the support portion 332, first, as shown in FIG.
The end 331a of the 31 opposite to the locking piece 334 is inserted into the one insertion hole 332a from above the shield plate 41. Next, as shown in FIG.
31a is turned upward below the shield plate 41, and is inserted into the other insertion hole 332b from below the shield plate 41.

In this state, the end 331a of the ribbon 331 is
Is inserted into the communication hole 335 of the locking piece 334 from below, and the end 331 a is pulled upward of the shield plate 41. As a result, as shown in FIG.
4 overlaps with the upper surface of the shield plate 41, the ribbon 331 is drawn around in a loop over the insertion holes 332 a and 332 b, and the ribbon 331 is fixed to the support portion 332 of the shield plate 41 so as not to come off.

As described above, the ribbon 331 is connected to the shield plate 41.
In a state where the ribbon 33 is fixed to the ribbon 33, as shown in FIG.
Due to its own strength, 1 maintains a state in which it protrudes upward from the end on the battery support wall 320 side of the battery housing section 40. When the battery pack 46 is mounted on the battery housing portion 40, the portion of the ribbon 331 connected to the locking piece 334 is sandwiched between the battery pack 46 and the bottom surface of the battery housing portion 40.
1 is the other end surface 303d of the battery pack 46.
Between the battery pack 46 and the battery support wall 320.

Therefore, as shown in FIG. 33, the end 33 of the ribbon 331 led out above the battery pack 46
If 1a is grasped with the fingertip F and pulled upward, the end of the battery pack 46 is pulled up from the battery housing portion 40 via the ribbon 331, and the battery pack 46 can be taken out from the battery housing portion 40.

In the present embodiment, the upper surface of the shield plate 41 serving as the bottom surface of the battery accommodating section 40 is covered with, for example, a black insulating sheet 338 as shown in FIGS. The insulating sheet 338 has a plurality of openings 339 through which the protrusions 326 and the ribbon 331 pass. Therefore, even when the battery pack 46 is detached from the battery housing portion 40, the bottom of the battery housing portion 40 including the shield plate 41 is covered and hidden by the insulating sheet 338, and the external appearance of the battery housing portion 40 is maintained in a good condition. It has become so.

By the way, as shown in FIGS. 25 and 37, the operation buttons 128a, 128b
The switches 141a and 141b pressed by the switch are supported by a flat flexible printed wiring board 343. The printed wiring board 343 is held on the back surface of the hand rest 126 via a metal protective cover 344. The protection cover 344 is fixed to the back surface of the hand rest 126 via screws 345.

As shown in FIGS. 37 and 38, the protective cover 344 has a cable outlet 346 and a locking piece 344a at an end adjacent to the keyboard 117. The locking piece 344a is detachably hooked on the hook 42a on the upper surface of the battery holder 42 when the palm rest 91 including the hand rest 126 is turned to the closed position.

The printed wiring board 343 integrally has a flat and flexible cable portion 347. The cable portion 347 has a band shape with a width of about 5 mm,
The switch 141a,
A wiring pattern (not shown) connected to 141b is formed. A terminal portion 3 is provided at the tip of the cable portion 347.
47a are formed, and the wiring pattern is guided to the terminal portion 347a.

As shown in FIGS. 37 and 38, the cable section 347 is connected to the hard disk drive 15 and the battery housing section 4 through the cable insertion port 346 of the protective cover 344.
It is led between 0. The cable portion 347 is located at a position corresponding to the battery holder 42.
After being bent in an arc toward the 7 side, the keyboard presser 1
It is routed below the keyboard 117 through the cable passage 350 between the partition 25 and the partition wall 94e. The terminal portion 347 a of the cable portion 347 is connected to the connector 351 on the circuit board 10 just below the front end of the keyboard 117.

Since the palm rest 91 on which the printed wiring board 343 is supported is turned up and down between the closed position and the open position, the cable portion 347 of the printed wiring board 343 is connected to the keyboard 117 and the circuit board 10. , After being once guided backward from the connector 351,
It is folded in a substantially U-shape toward the front. By this folding, the entire length of the cable portion 347 is sufficiently secured,
The cable portion 347 does not hinder the rotation of the palm rest 91.

A protective member 355 is attached to the protective cover 344. The protection member 355 includes the protection cover 3
It is for protecting the cable portion 347 led out from 44 and is made of an elastically deformable synthetic resin sheet material. The protection member 355 has a support piece 356 attached to the protection cover 344, and a cable guide 357 extending from the support piece 356. As shown in FIG.
It has a band shape having substantially the same width as 47.

As shown in FIG. 37, the cable guide 35
7 has a curved portion 357a that is bent obliquely downward toward the cable passage 350 when the palm rest 91 is rotated to the closed position. The distal end of the curved portion 357a extends below the keyboard 117 through the cable passage 350. The cable guide 357 has elasticity and strength enough to maintain the shape.

[0164] The cable guide 357 is
4 is slidably superimposed on the lower surface of the cable portion 347 derived from the cable 4. Therefore, the flexible cable section 34
7 is along the upper surface of the cable guide 357,
It is forcibly pushed down from the cable passage 350 toward the lower side of the keyboard 117, and the bent shape and the insertion path of the cable portion 347 are defined.

Then, as shown in FIG. 38, when the palm rest 91 is turned from the closed position to the open position, the cable guide 357 is opposed to the cable guide 350 by its elasticity.
The portion is curved obliquely upward and forward in an arc shape. For this reason, the cable portion 347 superposed on the cable guide 357 is
The cable portion 347 is bent obliquely upward and forward while being pressed downward from the keyboard 117 with the cable guide 357 as a guide surface. The bent shape and the insertion path of the cable portion 347 are determined by the cable guide 357.

The presence of such a cable guide 357 determines the bent shape and insertion path of the cable portion 347 extending from the palm rest 91 to the inside of the housing 4. Even in this case, the cable portion 347 is moved in and out of the keyboard 117 via the cable passage 350 while maintaining the smooth shape.

Therefore, when the palm rest 91 is opened and closed, the flexible cable portion 347 does not be folded into an unreasonable shape or bent into an unreasonable shape at a portion penetrating the cable passage 350. Disconnection and damage of the wiring pattern can be prevented beforehand.

In the above configuration, the tip of the cable guide 357 is a free end simply inserted below the keyboard 117. For example, the tip of the cable guide 357 is fixed to the lower housing 7 via a screw. May be. In this case, it is needless to say that the cable guide 357 needs to be formed so as not to hinder the opening / closing operation of the palm rest 91.

On the other hand, as shown in FIG. 39, a speaker 142 for outputting sound is arranged below the rear end of the keyboard 117. As shown in FIG. 40, the speaker 142 has a ring-shaped frame 361 supporting a diaphragm (not shown), and a cover 362 fixed to the frame 361 and covering the upper surface of the diaphragm. As a flat disk. And this speaker 142
Are supported by the housing body 90 of the upper housing 8, and the support structure of the speaker 142 will be described below.

As shown in FIGS. 40 to 43, the speaker mounting portion 36 is provided on the bottom wall 94d of the keyboard mounting portion 92.
5 are formed. The speaker mounting portion 365 is attached to the bottom wall 9.
Support wall 36 inclined downward as it goes to the rear end of 4d
6. A circular speaker mounting hole 367 is opened in the support wall 366.
7 faces the lower surface of the keyboard panel 118. A rear wall 368 extending upward is formed on one side of the rear end of the support wall 366.

As shown in FIG. 44, the lower surface of the support wall 366 forms a flat speaker support surface 366a. A guide wall 370 is provided on the front half of the speaker support surface 366a.
Are formed. The guide wall 370 is formed in an arc shape along the periphery of the opening of the speaker mounting hole 367.

Further, the bottom 94d of the keyboard mounting portion 92
Are formed with a locking claw 371 projecting downward and a boss 372 also projecting downward. The locking claw 371 and the boss 372 are connected to the speaker mounting hole 367.
It is located on the left and right sides across.

The speaker 142 has a speaker holder 373
Is held in. The speaker holder 373 is made of a flexible rubber-like elastic body. This speaker holder 3
73 has a ring-shaped holder body 374 into which the frame 361 of the speaker 142 is fitted. Holder body 374 is provided with a bottom wall 375 for receiving the bottom of speaker 142.
And an upright wall 376 extending upward from the outer peripheral portion of the holder body 374.

As shown in FIG. 44, the speaker 142
The speaker holder 373 and the speaker holder 373 are mounted on the speaker mounting portion 365 from below the keyboard mounting portion 92. In this mounting state, as shown in FIG. 40, the upper surface of holder main body 374 is in contact with speaker support surface 366a, and upright wall 376 is connected to rear wall 368 of speaker mounting portion 365. Therefore, the speaker mounting holes 36
7 is closed without a gap by the speaker holder 373.

The speaker 142 and the speaker holder 37
3 is held by the speaker mounting portion 365 via a bracket 380 made of sheet metal. The bracket 380 has a flat plate-shaped support portion 381 overlapping the bottom wall 375 of the speaker holder 373, and a pair of locking pieces 382a, 382b formed at both ends of the support portion 381. The bracket 380 hooks one of the locking pieces 382a on the locking claw 371 and the other locking piece 382a.
b is fixed to the speaker mounting portion 365 by connecting the lower surface of the boss portion 372 to the lower surface of the boss portion 372 via a screw 383.

As a result, the speaker 142 and the speaker holder 373 are prevented from falling off and held by the speaker mounting portion 365, and the holder main body 37 of the speaker holder 373 is held.
4 is interposed between the speaker 142 and the support surface 366a. Therefore, the speaker 142 is connected to the keyboard 11
7, it is arranged in a posture inclined backward and downward along the speaker support surface 366a.

The lead wire 384 of the speaker 142
Are connected to a speaker connector (not shown) on the circuit board 10 after penetrating through the holder body 374 and leading out.

As shown in FIGS. 40 and 42, a sound emitting hole 386 is formed in the rear wall 94c of the keyboard mounting portion 92. The hole 386 has a rectangular shape extending in the left-right direction of the keyboard mounting portion 92, and is continuous with the speaker mounting portion 365. The housing body 9
0 has a reflective wall 387 that extends downward behind the rear wall 94c of the keyboard mounting portion 92. The reflecting wall 387 faces the sound emission hole 386, and the lower end of the reflecting wall 387 is substantially flush with the upright wall 376 of the speaker holder 373.

Further, a decorative cover 388 interposed between the holes 386 for sound emission is attached to the keyboard mounting portion 92. The decorative cover 388 has a mesh shape having a large number of through holes 389. This makeup cover 388
The keyboard mounting portion 92 cooperates with the sound emitting hole 386.
A sound emitting section 390 for emitting sound from the speaker 142 is formed substantially at the center of the rear wall 94c. The sound emitting section 390 is provided with the key 11 in the last row of the keyboard 117.
9 and is arranged to face the operator when the display unit 3 is turned to the open position.

According to the speaker mounting portion 365 having such a configuration, since the speaker 142 is disposed in a posture inclined downward and rearward below the rear end of the keyboard 117, sound from the speaker 142 is not transmitted. , FIG.
As shown by the arrow at, after being released backward and diagonally upward,
The light is reflected obliquely upward and forward by the reflecting wall 387. This sound is guided to the operator through the sound emitting unit 390.

Therefore, despite the fact that the speaker 142 is arranged below the keyboard 117, this speaker 14
2 is not interrupted by the keyboard 117, and this sound can be positively guided to the operator side.

Further, only the circuit board 10 is located below the central portion of the keyboard 117, and it is easier to obtain a wider space than below the palm rest 91 covering the battery pack 46. The thick speaker 142 with good sound quality can be easily accommodated.

Further, according to the above configuration, the speaker 14
Since the speaker holder 373 made of rubber is interposed between the speaker main body 2 and the speaker support surface 366a of the speaker mounting portion 365, the vibration of the speaker 142 causes the vibration of the housing body 90.
The resonance of the housing body 90 can be prevented.

In addition, due to the presence of the speaker holder 373, there is no gap between the speaker 142 and the speaker mounting hole 367, and the sound emitted upward from the speaker 142 and the sound emitted downward from the speaker 142. Can be prevented from interfering with the emitted sound. Therefore, in addition to the fact that resonance of the housing body 90 can be prevented, the sound quality can be improved and the sound volume can be increased.

Further, the present invention is not limited to the second embodiment, and FIG. 45 shows a third embodiment of the present invention. The third embodiment is different from the second embodiment mainly in the configuration of the battery pack 46. The battery pack 46 includes the first to fifth terminal plates 310 a to 310 a on one end surface 303 c of the battery case 303.
310e, the sixth to tenth terminal plates 3 for spare
10f to 310j, and a 10-pole terminal as a whole.

In the case of this configuration, two types of batteries, for example, the above-mentioned nickel-metal hydride secondary battery 304 and five lithium-ion secondary batteries (not shown) are accommodated in the battery case 303, respectively. The secondary battery is connected to the sixth terminal plate 310f and the tenth terminal plate 310j, and these terminal plates 310f and 310j are configured as output terminals of the battery pack 45.

When the computer 1 driven by the battery pack 46 corresponds to one of the batteries contained in the battery case 303,
When the battery pack 46 is turned upside down and mounted in the battery accommodating portion 40, the first to fifth terminal plates 310a
To 310e, or sixth to tenth terminal plates 310f to
310j contacts the first to fifth connection terminals 44a to 44e of the battery connector 44.

Therefore, one battery pack 46
Thus, two types of computers 1 having different compatible batteries can be driven, and the versatility of the battery pack 46 is improved.

Further, in the future, the battery connector 44 of the computer 1 will be configured to be compatible with the 10-pole terminal, so that even if the control items of the battery pack 46 increase, there is an advantage that it can be easily dealt with.

[0190]

According to the present invention described in detail above, when, for example, two types of secondary batteries are contained in a battery case (battery pack), one of the secondary batteries is connected to the terminal plate, If the other secondary battery is electrically connected to the spare terminal plate, positive and negative output terminals corresponding to the two types of secondary batteries can be provided on the end surface of the battery case (battery pack). Therefore, it is possible to drive electronic devices having different types of secondary batteries with one battery pack (battery device), and the versatility of the battery pack (battery device) is improved.

Further, even if the control items of the battery pack (battery device) increase in the near future, the spare terminal board can be used as it is, and the control items can be easily dealt with. There is.

[Brief description of the drawings]

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

FIG. 2 is an exemplary perspective view of the computer showing a state where a palm rest is opened and a battery pack is exposed;

FIG. 3 is an exemplary perspective view of the computer with a display unit closed;

FIG. 4 shows a hard disk drive and C in a lower housing.
FIG. 2 is a perspective view showing a state where a D-ROM drive device and an AC power supply unit are incorporated.

FIG. 5 is a perspective view showing a positional relationship between an AC power supply unit and a lower housing.

FIG. 6 is a sectional view of a mounting portion of the CD-ROM drive device.

FIG. 7 is a perspective view of the CD-ROM drive device as viewed from the bottom.

FIG. 8 is an exemplary perspective view of the computer showing a state where a palm rest is opened and a battery pack is taken out of a battery storage unit;

FIG. 9 is an exemplary perspective view of the computer with a card cover opened;

FIG. 10 is a sectional view of a rear half of the base unit.

FIG. 11 is a cross-sectional view of a base unit showing a mounting portion of a power switch and a second parallel port.

FIG. 12 is a sectional view of the latter half of the base unit.

FIG. 13 is a sectional view of a connection portion between the display unit and the base unit.

FIG. 14 is an exemplary perspective view of a computer in which a connection portion between a display unit and a base unit is enlarged;

FIG. 15 is an exemplary exploded perspective view showing a connection part between the palm rest and the keyboard mounting unit;

FIG. 16A is a plan view partially showing a state in which the palm rest is pushed toward the keyboard mounting portion.
FIG. 3B is a plan view showing a state in which the palm rest is pulled out from the keyboard mounting section in a partial cross section.

FIG. 17A is a cross-sectional view showing a positional relationship between a shaft portion and a concave portion when a palm rest is pushed toward a keyboard mounting portion. (B) is a sectional view showing the positional relationship between the shaft portion and the concave portion when the palm rest is pulled out from the keyboard mounting portion. (C) is sectional drawing which shows the positional relationship of the shaft part and recessed part when a palm rest is rotated upward.

FIG. 18 is a perspective view showing the vicinity of a mounting portion of an AC power supply unit and a holder.

FIG. 19 is a perspective view showing the vicinity of a mounting portion of an AC power supply unit and a holder.

FIG. 20 is an exploded perspective view showing a relationship between an AC power supply unit and a retaining portion of a holder.

FIG. 21 is an exploded perspective view showing a relationship between a power supply unit and a connector panel.

FIG. 22 is an exploded perspective view showing a holder, a lens assembly, and a switch operator.

FIG. 23 is a perspective view of an indicator.

FIG. 24A is a cross-sectional view of a base unit showing a mounting portion of an indicator. (B) is a sectional view showing a light path from the light emitting diode to the lens.

FIG. 25 is an exemplary perspective view showing a state in which the palm rest is turned to the open position in the computer according to the second embodiment of the present invention;

FIG. 26 is a plan view showing a state in which the battery pack is mounted in the battery housing.

FIG. 27 is a perspective view of the battery pack as seen from the terminal plate side.

FIG. 28A is a cross-sectional view showing a state where a battery pack is mounted in a battery storage unit. (B) is a sectional view of a battery case.

FIG. 29 is a cross-sectional view showing a state where the battery pack is inserted into the battery housing.

FIG. 30 is a cross-sectional view showing a state in which the battery pack is inserted in the battery accommodating portion of the housing in a wrong direction.

FIG. 31 is a perspective view of a battery storage unit.

FIG. 32 is a perspective view around a battery housing and a battery connector.

FIG. 33 is a perspective view showing a state where the battery pack is pulled up via the ribbon.

FIG. 34 is a perspective view showing a state where the ribbon is inserted into the insertion hole of the shield plate.

FIG. 35 is a perspective view showing a state in which the ribbon is inserted into the insertion hole of the shield plate and pulled.

FIG. 36 is a perspective view showing a state in which the ribbon is fixed to the shield plate.

FIG. 37 is a sectional view of the computer showing a state where the palm rest is rotated to the closed position.

FIG. 38A is a cross-sectional view of the computer, illustrating a state where the palm rest is rotated to the open position. (B) shows FIG.
Sectional drawing which expands and shows the A section of 8 (A).

FIG. 39 is an exemplary perspective view of the computer in a state where the keyboard is removed from the keyboard mounting unit;

FIG. 40 is an exemplary cross-sectional view of a computer showing a mounting portion of a speaker;

FIG. 41 is a sectional view showing a mounting portion of a speaker.

FIG. 42 is a perspective view of a speaker mounting portion.

FIG. 43 is a perspective view of the speaker mounting portion as viewed from the inside of the housing body.

FIG. 44 is an exploded perspective view showing a speaker mounting portion.

FIG. 45 is a perspective view of a battery pack viewed from a terminal plate side in a third embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 4 ... Housing 40 ... Battery housing part 44 ... Battery connector 44a-44e ... Connection terminal 46 ... Battery pack 303 ... Battery case 310a-310e ... Terminal plate 310f-310j ... Spare terminal plate

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Hiroaki Itakura 2-9-9 Suehirocho, Ome City, Tokyo Inside the Toshiba Ome Plant (72) Inventor Hiroshi Nakamura 2-9-9 Suehirocho, Ome City, Tokyo Stock Company Inside the Toshiba Ome Plant

Claims (5)

[Claims] A box-shaped battery case that is housed in a battery housing portion having a battery connector and includes an end face facing a plurality of connection terminals of the battery connector; and a battery case that is arranged side by side on the end face of the battery case. A battery device comprising: a plurality of terminal plates in contact with a connection terminal; and a plurality of spare terminal plates disposed on an end surface of the battery case and adjacent to the terminal plates. 2. The battery device according to claim 1, wherein the terminal plate and the spare terminal plate are arranged in a line on an end face of the battery case. 3. The connection terminal of the battery connector according to claim 2, wherein the spare terminal plate is in contact with the connection terminal of the battery connector when the battery pack is accommodated in the battery accommodation portion with the battery pack turned upside down. A battery device characterized by the above-mentioned. 4. The battery case according to claim 2, wherein the end surface of the battery case has a plurality of partition walls interposed between adjacent terminal plates, and the ends of these partition walls are closer to the battery case than the terminal plates. A battery device protruding outward. 5. A housing having a battery housing, a battery connector disposed at one end of the battery housing and having a plurality of connection terminals, and a box-shaped battery pack housed in the battery housing. The battery pack has an end surface facing the plurality of connection terminals of the battery connector, and a plurality of terminal plates in contact with the connection terminals of the battery connector, and a plurality of spare terminal plates are arranged in a row on this end surface. Electronic devices characterized by being arranged side by side.