JP3088056B2 - Computer - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a computer,
In particular, the present invention relates to a computer that can be used while maintaining high reliability even in an environment such as outdoors.

[0002]

2. Description of the Related Art Generally, a computer used for various information processing is used in a usage environment where humidity is low because built-in electronic devices and the like dislike moisture.

On the other hand, today, it is necessary to perform information processing using a computer even in an inferior use environment for a computer, such as a construction site, a civil engineering site, which is exposed to rainwater outdoors. Sex is increasing.

[0004] Therefore, conventionally, a special booth that shields the computer from rainwater has been installed at the site, and information processing using the computer has been performed in the special booth.

However, at the construction site, it is highly necessary to directly input the data collected at the site to a computer to perform necessary information processing, and to determine the subsequent work progress based on the processing result. The computer installed in the special booth could not perform the information processing quickly. In addition, the installation of the special booth is expensive, and requires a large installation space, which makes it difficult to install the special booth.

Therefore, the entirety of a small computer such as a laptop computer is covered with a waterproof cover made of a transparent resin sheet or the like so as to ensure the waterproofness of the computer. Processing is performed.

However, at the work site, there is a great possibility that the waterproof cover is broken, and the waterproofness of the computer is not sufficiently ensured. Further, it is inconvenient to input information through the waterproof cover, etc. There was an inconvenience of being very bad.

[0008] For these reasons, there has been a demand for a computer that can be used even under a poor use environment.

The present invention has been made in view of the above points, has high waterproofness, is resistant to rainwater, can be used while maintaining high operation reliability even in an inferior use environment, and has a high shock resistance. Impact, such as falling or collision
Even if you are hit, the computer case and internal devices
It can be reliably prevented from breaking, and
And to provide a computer that can be used for all.

[0010]

According to another aspect of the present invention, there is provided a computer according to the present invention, comprising a battery mounting portion which is replaceable with an input integrated display portion, a switch portion, and an external connection terminal portion. A portable computer having an endless packing between cases divided into at least two or more of the computer, and an opening of the case in which the input integrated display unit is disposed. A compression-deformable waterproof member is sandwiched between the input-integrated display unit and the case has a double structure of a rigid inner member and an outer member made of an elastic material having waterproofness and impact resistance. The outer member has four corners of the main body case outside the corners.
The cushion portion protruding from the surface are integrally formed, the inner member to which the switch unit is arranged Rutotomoni affixed waterproof sheet on the inner surface provided with a through hole, the switch unit is
The outer member provided has no through hole and is movable.
The external connection terminal portion and the mounting portion of the battery are provided with a waterproof cover to have a waterproof structure for waterproofing all of the anaerobic portion. I do. According to a second aspect of the present invention, there is provided the computer according to the first aspect, wherein the waterproof cover is a press-fitted waterproof cover having no corners uniformly crushed over the entire circumference or the case and the waterproof cover. The endless packing is sandwiched between the water-tight part and the anaerobic part to make it waterproof.

[0011]

According to the first and second aspects of the present invention, since the entire anaerobic part of the built-in electronic device and the like is waterproofed by the waterproof structure, the electronic device and the like can be reliably protected from rainwater. It can be used while maintaining high operation reliability even in a poor use environment.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS.

FIGS. 1 to 6 show one embodiment of a computer according to the present invention.
The appearance of the pen computer 1 according to the embodiment can be shown.

The pen computer 1 has a flat, substantially rectangular parallelepiped portable main body case 2 in which various components necessary for the computer are built in, and is formed so that various information operations can be performed by an operation pen 3. Have been.

More specifically, a substantially rectangular opening 4 is formed at the center of the front of the main body case 2, and a display such as a liquid crystal panel having a tablet 5 for inputting information at the top is provided inside the opening 4. 6 is mounted. On the left and right sides of the display 6 on the front of the main body case 2, switches that are turned on and off by a pushing operation by the operation projection 3 a of the tip of the operation pen 3, that is, the power switch 7 and the display 6 A backlight switch 8, a brightness switch 9, a contrast switch 10, and a keyboard switch 11 for displaying and operating a keyboard (not shown) on the display 6.
And a function switch group 12. A power lamp 13 for instructing an on / off state of the power supply, a battery 2 to be described later
3 and a thermo lamp 15 for indicating a temperature state in the main body case 2. A pen storage unit 1 for storing the operation pen 3 is provided in the rightmost part on the front of the main body case 2.
6 is provided in the shape of a through hole in the vertical direction. The pen housing portion 16 has a holding slit 17 with which the rotation preventing protrusion 3b of the operation pen 3 is engaged, and an engagement recess 18 with which the holding protrusion 3c of the operation pen 3 is engaged to prevent the operation pen 3 from falling off. Are formed.

At four corners of the main body case 2, cushion portions 19 made of an elastic material are provided to protect the main body case 2 and internal devices from impacts such as dropping or collision.
The cushion portion 19 is formed by protective projections 20, 20 projecting in all directions from the outer surface of the corner of the main body case 2.
Numerals 0 and 20 serve to buffer and absorb the impact caused by the first collision, thereby preventing the main body case 2 and the internal devices from being destroyed.

An insertion port 22 for a battery storage section 21 is formed on the bottom of the main body case 2.
The battery 23 is inserted into the battery housing 21,
It is hermetically housed with a battery cover 24.

Two connectors 25, 25 for connecting a connection cable (not shown) to an external device are arranged on the flat portion of the main body case 2 so as to be exposed to the left and right. A power supply jack 26 for connecting a cable (not shown) for connection to an external power supply is exposed and provided adjacent to the one connector 25. An optional through-hole 27 is formed adjacent to the other connector 25 to enable connection between an internal device of the main body case 2 and an external device.

A large number of gas vent holes 44 and 44 and a speaker (not shown) for discharging gas generated when the battery 23 is abnormal to the outside of the case are provided on the back of the main body case 2.
Sound through-holes 45, 45 for outputting sounds from the outside to the outside.

Next, a waterproof structure of the pen computer 1 of the present embodiment will be described.

In this embodiment, the pen computer 1
The entire anaerobic part is waterproofed to achieve complete waterproofness. Hereinafter, description will be made in order.

First, as shown in FIG. 7, the main body case 2 is divided into two divided cases 2a and 2a at a side surface portion. Each divided case 2a and 2a is composed of an inner member 28 made of synthetic resin and an outer member 28 made of a synthetic resin. Outer member 2 made of an elastic material for covering
Due to the double structure with the structure 9, the waterproof structure is enhanced. The one inner member 28 is formed of a thermosetting resin such as an ABS resin or the like, and secures the rigidity of the main body case 2. The other outer member 29 is made of a rubber-like elastic body such as EPDM, which is one kind of ethylene propylene rubber, and ensures impact resistance. Each protective projection 20 of the cushion portion 19 is also formed integrally with the outer member 29. Further, as shown in FIGS. 7 and 8, the waterproofness of the joint of the divided cases 2a, 2a is achieved by sandwiching an endless packing 30 made of silicone rubber or the like.

Next, as shown in FIGS. 7 and 9, the waterproofness between the opening 4 in the flat portion of the main body case 2 and the tablet 5 of the display 6 is determined by the peripheral portion of the opening 4 in the inner surface of the main body case 2. Compressible deformable waterproof member 3 such as sponge tape
1 is attached by bonding or the like, and during assembly, the waterproof member 31 is held by the main body case 2 and the tablet 5 so that the waterproof member 31 is compressed and deformed, thereby exhibiting waterproofness. Waterproof member 31
The sponge tape, which is an example of the above, is a porous member, so that it can be easily compressed and deformed, and exhibits extremely high waterproofness when compressed to reduce its thickness. Therefore, since the tablet 5 and the sponge tape as the waterproof member 31 are not adhered to each other but merely pressed and adhered to each other, sufficient waterproofness is ensured. Therefore, during maintenance such as replacement of the display 6 itself, The display 6 can be easily separated from the main body case 2 and has excellent maintainability. Further, if a flexible sponge tape that can be deformed is used as the waterproof member 31, even if the main body case 2 is slightly deformed by receiving an impact, the main body case 2 can be deformed following the deformation, so that the rigidity of the main body case 2 is secured. It is also possible to prevent the occurrence of cracks and the like in the inner member 28. Further, as the waterproof member 31, any material having the same function of deformability and waterproofness as the sponge tape may be used, and for example, soft rubber or the like can be used.

Next, as shown in FIG. 10, in the switch portion such as the power switch 7, a through hole 32 is formed in the inner member 28 of the main body case 2, and the through hole 32 is formed on the inner surface of the inner member 28. A thin waterproof sheet 33 is attached to seal to ensure waterproofness, and a membrane switch 34 is provided inside the waterproof sheet 33. The membrane switch 34 is turned on and off by being pushed through the through hole 32 by the operation projection 3 a of the operation pen 3 via the outer member 29 and the waterproof sheet 33. The waterproof property of the through-hole 32 is such that it can sufficiently withstand the ON / OFF operation of, for example, 10,000 times by the one outer member 29. However, the provision of the waterproof sheet 33 achieves a higher waterproof property. You.

Next, the battery 2 to be replaced if necessary
In a portion 3, as shown in FIGS. 4, 11 and 12, the battery cover 24 is fixed with two setscrews so that a relatively heavy battery 23 does not fly out of the battery housing portion 21 of the main body case 2. 35 and 35 are fixed to the main body case 2. Then, in order to waterproof the portion, an endless packing 36 made of silicone rubber or the like is mounted on the inner surface 24a of the battery cover 24 facing the front end surface 21a of the battery housing 21, and the set screw 35 is attached. The packing 3 is tightened.
6 is sandwiched between both surfaces 21a and 24a.

Next, at the connector 25, as shown in FIGS. 5, 6 and 13, the ellipse for exposing the connector 25 to the outer member 29 of the main body case 2 and press-fitting the connector cover 37 thereto. Inner peripheral surface 38
A mounting hole 38 having a is provided. This connector cover 37 is formed by integral molding of an elastic body of the same material as the outer member 29, and has an annular outer surface 37c having an elliptical outer surface 37c which is press-fitted into the mounting hole 38 on the inner surface of a rectangular lid portion 37a. The press-fit protrusion 37b is provided in a protruding manner. The press fitting allowance for these elliptical outer peripheral surface 37c and inner peripheral surface 38a is as follows.
When the material of the elastic body is EPDM, one side is 0.3 to
It is good to be 0.5 mm. In this embodiment, when each connector 25 is not used, the press-fit projection 37b of the connector cover 37 is press-fitted into the mounting hole 38.
The waterproof property of the connector 25 is achieved. As in the present embodiment, the press-fit protrusion 3b is formed by forming the press-fit protrusion 37b and the mounting hole 38 into a shape having no corners such as an ellipse or a circle.
7b may be deformed so as to be uniformly crushed over the entire circumference so as to exhibit perfect waterproofness.

Next, as shown in FIGS. 5, 6, and 14, in the power supply jack 26 and the option through hole 27, the power supply jack 26 and the option A mounting hole 40 having a circular inner peripheral surface 40a for exposing the hole 27 and press-fitting the jack cover 39 is provided. The jack cover 39 is formed by integral molding of an elastic body made of the same material as the outer member 29, and has an annular press-fit having a circular outer peripheral surface 39 c which is press-fitted into the mounting hole 40 on the inner surface of a circular lid 39 a. A projection 39b is provided to project. The press-fitting allowance of the circular outer peripheral surface 39c and the inner peripheral surface 40a is determined by changing the material of the elastic body to E as in the case of the connector portion.
In the case of a PDM, it may be 0.3 to 0.5 mm on one side. In the present embodiment, the jack cover 3
9 is always attached to the main body case 2, the cover 39
The connecting bellows 41 are extended from the connecting bellows 41, and the engaging projections 42 formed at the distal end portions of the connecting bellows 41 are fitted into the mounting holes 43 on the back surface of the main body case 2 and mounted, and the mounting portions are attached by bonding or the like. It is designed to be waterproof. In this embodiment, the power supply jack 26 and the optional through hole 27 are provided.
Is not used, the press-fit projection 39b of the jack cover 39 is press-fitted into the mounting hole 40, so that the waterproofing of the power supply jack 26 and the optional through-hole 27 is achieved.

Next, as shown in FIG. 15, a large number of gas vent holes 44 on the rear surface of the main body case 2 are sealed with a porous membrane 46 having air permeability but not water permeability to thereby provide waterproofness. Is planned.

In this embodiment, the waterproofness of each part is as follows.
It may be determined in accordance with the use conditions of the pen computer 1 or the like. For example, IEC, which defines test standards for waterproofness,
525 SPEC. It may be determined in accordance with the content of IPX4 “Protection against splashes”.

According to the present embodiment, since the entire anaerobic portion of the electronic device or the like incorporated in the main body case 2 is completely waterproofed by the above-described waterproof structure, the electronic device and the like can be reliably protected from rainwater. The pen computer 1 can be shut off, and the pen computer 1 can be used while maintaining high operation reliability even in a poor use environment.

The present invention is not limited to the above embodiment, but can be modified as required.

[0032]

Since, according to the present invention Thus, the present invention is to act configured, high waterproofness, rain water resistant, can be used while held high reliability of operation in harsh use environment, further Drops and collisions due to impact resistance
Computer case and internal equipment
Can be reliably prevented from breaking, etc.
Te is an effect such can be obtained a computer that is Ru can be used safely.

[Brief description of the drawings]

FIG. 1 is an external perspective view showing an embodiment of a computer according to the present invention.

FIG. 2 is a front view of the computer shown in FIG. 1;

FIG. 3 is a rear view of FIG. 2;

FIG. 4 is a bottom view of FIG. 2;

FIG. 5 is a plan view of FIG. 2 with a connector cover and a jack cover attached.

FIG. 6 is a plan view of FIG. 2 with a connector cover and a jack cover removed.

FIG. 7 is an enlarged sectional view along the line AA of FIG. 2 omitting an internal mechanism;

FIG. 8 is an enlarged cross-sectional view of a joint portion of a divided case of the main body case.

9 is an enlarged view of a portion B in FIG. 7;

FIG. 10 is an enlarged sectional view along a line CC of FIG. 2 omitting an internal mechanism;

FIG. 11 is an exploded perspective view showing a battery mounting portion.

FIG. 12 is a front view showing the inner surface of the battery cover;

13A is a perspective view of a connector cover, FIG. 13B is a front view showing an outer surface portion, and FIG. 13C is a right side view of b.

14A is a perspective view of a jack cover, FIG. 14B is a front view showing an outer surface portion, and FIG. 14C is a right side view of b.

FIG. 15 is an enlarged cross-sectional view along the line DD in FIG. 3 omitting an internal mechanism.

[Explanation of symbols]

 1 Pen Computer 2 Body Case 5 Tablet 7 Power Switch 21 Battery Storage Unit 23 Battery 24 Battery Cover 25 Connector 26 Power Jack 28 Inner Member 29 Outer Member 30 Packing 31 Waterproof Member 33 Waterproof Sheet 36 Packing 37 Connector Cover 39 Jack Cover 44 Gas Hole for punching 46 Porous membrane

Continuation of the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) G06F 1/16 H05K 5/00-5/06 G06F 15/02 301 G06F 3/033-3/037

Claims (2)

(57) [Claims] 1. A portable computer having an input integrated display unit, a switch unit, an external connection terminal unit, and a replaceable battery mounting unit, wherein the computer is provided between at least two or more divided cases. An endless packing is sandwiched, and a compressible and deformable waterproof member is sandwiched between an opening of the case in which the input integrated display is provided and the input integrated display, and the case has rigidity. And an outer member made of an elastic material having waterproofness and shock resistance. The outer member has four corners of the main body case.
The cushion part protruding from the outer surface of this corner is integrated with the
Formed, on the inner member to which the switch unit is arranged Rutotomoni affixed waterproof sheet on the inner surface provided with a through hole,
A through hole is formed in the outer member on which the switch unit is disposed.
Double waterproof structure that is more mobile and more waterproof
The computer, wherein the external connection terminal portion and the mounting portion of the battery have a waterproof structure for waterproofing all of the water-repellent portions by attaching a waterproof cover. 2. The waterproof cover is crushed uniformly over the entire circumference.
Or press-fit waterproof cover without corners
Endless packing between the case and the waterproof cover
The computer according to claim 1, wherein the anaerobic part is waterproofed by sandwiching the computer.