JP2002149280A - Computer device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make dust hard to enter the housing of a personal computer. SOLUTION: An air cleaner 16 cleans the open air and forcibly sends the cleaned air into the housing 11 of the personal computer to hold the pressure positive and higher in the housing 11 than outside the housing 11. Then while the pressure in the housing 11 is held positive, hot air is discharged to outside the housing 11 by an air discharging fan 14.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a computer device such as a stationary (desktop) personal computer or a personal computer server computer installed in an office.

[0002]

2. Description of the Related Art In recent years, computer devices such as stationary personal computers and personal computer type server computers have been frequently used in homes and offices. When the computer device is turned on and started, hardware such as a CPU (Central Processing Unit) and an HDD (hard disk drive) in the computer device housing starts operating, and is used for a long time with the power ON. Often done. Therefore, the hardware installed in the housing of the computer device is heated over time. Since this heat may cause a failure such as thermal runaway of the CPU, it is necessary to radiate the hardware.

Conventionally, in order to radiate hot air generated from hardware, an intake portion such as a slit or a net for intake is provided in a housing to take in outside air into the housing and to use an exhaust fan installed in the housing. This has been done by exhausting hot air out of the housing. Also, an intake fan is provided in the housing to take in external air from the intake unit and exhaust it from the exhaust unit, or an exhaust fan and an intake fan are provided in the housing to take in external air from the intake unit and exhaust unit. Or exhausted from.

As described above, the heat generated in the hardware inside the housing is radiated outside the housing by ventilating the inside of the housing of the computer device.

[0005]

However, in the case of using the exhaust fan, the pressure inside the housing of the computer device becomes a negative pressure compared to the pressure outside (outside air) of the housing during the operation of the exhaust fan. External air will always be taken in through the gap between the intake unit and each part of the housing, and if the fan uses an intake fan or if both the exhaust fan and the intake fan are used, the outside air must be taken in by the intake air. become.

Since the air thus taken in contains dust and the like, if the PC is used for a long period of time, dust and the like accumulate on components such as the board on which the CPU is mounted and the HDD and the like, causing a failure. Was causing it to wake up. In addition, the dust adheres to the CPU, so that the heat radiation effect is reduced, and C
This was the cause of PU thermal runaway.

Further, in order to prevent such a failure caused by dust or the like, the computer device is stopped periodically or irregularly, and the housing is opened to remove dust or the like accumulated inside. The work was very troublesome for the user of the computer device, and the work had to be interrupted.

[0008] The present invention has been made in view of the above circumstances,
The purpose is to forcibly send clean air into the housing, to prevent the intrusion of dust floating in the air by applying a positive pressure to the inside of the housing, to efficiently radiate heat, and to further reduce dust by the user. It is an object of the present invention to provide a computer device which can eliminate the removal work such as the above.

[0009]

According to the first aspect of the present invention,
In a computer device in which hot air generated inside a housing is exhausted to the outside of the housing, clean air blowing means for forcing clean air into the inside of the housing and keeping the inside of the housing at a positive pressure. Is a computer device provided with.

According to a second aspect of the present invention, in the computer device of the first aspect, there is provided an air cleaner in which the clean air blowing means is installed inside a housing of the computer device.

According to a third aspect of the present invention, there is provided the computer device according to the first aspect, wherein the clean air blowing means is provided outside the housing of the computer device.

According to the above configuration, by providing an air purifier as a clean air blowing means provided inside or outside the housing, the outside air can be purified and sent into the housing. Can be maintained at a positive pressure.

Therefore, the dust floating in the air inside the housing is less likely to enter the inside of the housing, and the hot air inside the housing of the computer device is exhausted to the outside.

[0014]

Embodiments of the present invention will be described below with reference to the drawings. In this embodiment, the present invention is applied to a stationary (desktop) personal computer (hereinafter referred to as a PC).

(First Embodiment) FIG. 1 is a perspective view showing the internal structure of a housing of a PC, and 11 is a PC having a built-in CPU.
A power button 12, an FD (floppy (registered trademark) disk), an insertion unit 13 for inserting a CD-ROM, a DVD-ROM, and the like are provided on a front panel 11a of the housing 11 of the PC. I have. An exhaust fan 14 for exhausting air inside the PC housing 11 to the outside is provided on a rear panel 11b of the PC housing 11.

Further, an intake panel 15 is provided on a side panel 11c of the housing 11, and an air purifier 16 as a clean air blowing means is installed inside the housing 11 adjacent to the intake panel 15. .

The air cleaner 16 has an air inlet 17 for sucking outside air into a part of its body and an outlet 18 for blowing the purified air into the housing 11.
Is provided. The air purifier 16 has basically the same configuration as a known air purifier, and has a blower (not shown) inside its body and a filter (not shown) for trapping dust contained in the air and purifying the air. Is provided.
It is desirable that this filter be replaced periodically.
Filter can be replaced.

Hereinafter, the personal computer constructed as described above will be described.
The operation of the computer will be described.

First, the power button 12 of the housing 11 of the PC is input to operate the PC hardware. As a result, the exhaust fan 14 and the air cleaner 16 also operate at the same time. Then, the outside air is sucked into the suction port 17 of the air purifier 16 and is blown out from the blowout port 18 into the housing 11 of the PC.

When the air blown out from the air outlet 18 passes through the filter, substances such as dust contained in the air which cause hardware failure of the PC housing 11 are removed and purified. You.

The pressure inside the PC housing 11 becomes higher than the pressure outside the PC housing 11 due to the purified air taken in from the outside of the PC housing 11 in this manner, and the PC This prevents dirty air containing dust and the like from entering the inside of the PC housing 11 through a gap or the like in the housing 11.

Further, since the air blown out from the air outlet 18 is purified, the hardware such as the substrate and the components in the housing 11 is cooled or the hot air in the housing is exhausted to the outside. No dust or the like adheres to the wear.

The exhaust fan 14 allows the PC
In order to exhaust the hot air inside the PC housing 11 while keeping the pressure inside the housing 11 of the PC 11 more positive than the pressure outside the PC housing 11, the heat generated in the CPU of the PC housing 11 Is P
The heat is radiated to the outside of the case 11 of C.

According to the present embodiment, the internal pressure of the PC housing 11 is set to a positive pressure, and the outside air is purified by the air purifier 16 so that the hardware inside the PC housing 11 breaks down. It is possible to make it difficult for dust of the cause to enter.

In addition, since the air cleaner 16 is installed inside the housing 11 of the PC, there is no need to provide an installation space for the air cleaner in addition to a place where the housing 11 is installed. Etc. can be used effectively.

(Second Embodiment) FIG. 2 is a perspective view showing the internal structure of a PC housing according to a second embodiment.
A PC housing with a built-in PU, and a power button 22, FD, CD-RO on the front panel 21a of the PC housing 21.
An insertion section 23 for inserting an M, a DVD-ROM or the like is provided. An exhaust fan 2 for exhausting air inside the PC housing 21 to the outside is provided on a rear panel 21b of the PC housing 21.
4 are provided. Furthermore, the side panel 2 of the housing 21
An intake port 25 is provided in 1c.

An air purifier 26 is provided outside the PC housing 21. The air purifier 26 is provided with an air suction port 27 for sucking outside air, and supplies the purified air to the housing 21. An outlet 28 for blowing air inside and a power button 29 for operating the air purifier 26 are provided. The air purifier 26 has basically the same configuration as that of the known air purifier, similarly to the first embodiment. The air purifier 26 captures dust contained in the air and a blower (not shown) inside the main body to remove the air. (Not shown) for purifying the filter is provided. Since it is desirable to replace this filter periodically, the filter can be replaced by removing the panel of the air intake 27 of the air purifier 26.

Further, an air outlet 28 and an air inlet 25 are connected by a duct 30 in order to forcibly blow the outside air purified by the air purifier 26 into the inside of the housing 21 of the PC. The air purifier 26 and the duct 30 constitute clean air blowing means.

Hereinafter, the personal computer constructed as described above will be described.
The operation of the computer will be described.

First, by inputting the power button 22 of the PC housing 21 and the power button 29 of the air purifier 26, the PC hardware, the exhaust fan 24 and the air purifier 26 start operating. Then, the outside air is sucked into the air suction port 27 of the air purifier 26, blown out from the blowout port 28 through the filter, and blown out from the suction port 25 through the duct 30 into the inside of the housing 21 of the PC.

When the air blown out from the air outlet 28 passes through the filter, a substance such as dust contained in the air, which causes a hardware failure of the PC housing 21, is removed and purified. You.

The pressure inside the PC housing 21 becomes a positive pressure higher than the pressure outside the PC housing 21 due to the purified air taken in from the outside of the PC housing 21 as described above. This prevents dirty air containing dust and the like from entering the inside of the PC housing 21 through a gap or the like in the housing 21 of the PC.

The air blown out from the air inlet 25 dissipates heat without adhering dust to hardware such as a substrate and components, and the exhaust fan 24 reduces the pressure inside the PC housing 21 to the PC housing. PC while keeping the pressure more positive than the external pressure
PC housing 2 to exhaust hot air inside housing 21 of PC
The heat generated in one CPU is dissipated to the outside of the housing 21 of the PC as in the first embodiment.

According to the present embodiment, the inside of the PC housing 21 is broken down by applying a positive pressure to the inside of the PC housing 21 and purifying the outside air by the air purifier 26. It is possible to make it difficult for the dust of the cause to enter.

Further, by installing the air purifier 26 outside the housing 21 of the PC, the air purifier 26 is
By providing the air inlet 25 on the panel of the case C and connecting it with the duct 30, it can be easily applied to a conventional personal computer. Further, the air purifier 26 can be installed at an arbitrary position away from the PC housing 21.

In the first and second embodiments, the air purifiers 16 and 26 which use filters to remove dust and the like are used. However, the present invention is not limited to this. An air purifier that removes dust and the like and an air purifier that removes dust and the like by bubbling air through water may be used.

[0037]

As described above in detail, according to the present invention, by injecting clean air into the inside of the housing and making the inside of the housing a positive pressure, the intrusion of dust floating in the air can be achieved. The present invention can provide a computer device which can prevent heat generation and efficiently radiate heat, and can eliminate the need for a user to remove dust and the like.

[Brief description of the drawings]

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

FIG. 2 is an exemplary perspective view showing the internal configuration of a personal computer according to a second embodiment of the present invention;

[Explanation of symbols]

 11: Personal computer housing 14: Exhaust fan 16: Air purifier (clean air blowing means)

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Takehiko Kikuchi 1-21-17 Sasazuka, Shibuya-ku, Tokyo Sakura Rubber Co., Ltd. F-term (reference) 5E322 BA03 BB10 BC02 EA11

Claims (3)

[Claims] 1. A computer device in which hot air generated inside a housing is exhausted to the outside of the housing, wherein clean air is forcibly sent into the housing and a positive pressure is applied to the inside of the housing. A computer device provided with a clean air blowing means for keeping the air temperature. 2. The air purifier according to claim 1, wherein the clean air blowing means is an air purifier installed inside a housing.
A computer device as described. 3. The air purifier according to claim 1, wherein the clean air blowing means is an air purifier installed outside a housing.
A computer device as described.