JPH11194859A - Information processor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To realize the cooling of heat generating components in a portable information processor which is used outdoors frequency while enhancing dustproof and waterproof performance. SOLUTION: A tubular heat radiation duct formed of a material with high heat conductivity is arranged in the processor and joined airtightly with an air intake 1a and an outlet 1b through gaskets 5 etc. In the processor, the heat radiation duct 4 is arranged in contact with the heat generating components 3 and a flow of outside air is generated in the heat radiation duct 4 by using a fan motor 6, etc., to actualize the heat radiation of those components and shield them from the outside air, thereby actualizing the heat radiation in the portable information processor which has improved waterproof and dustproof performance.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information processing apparatus, and more particularly, to a portable information processing apparatus such as a notebook personal computer which pursues waterproof and dustproof performance that can be used outdoors.

[0002]

2. Description of the Related Art In recent years, portable information processing apparatuses such as notebook personal computers have been reduced in size and weight, and the use opportunities outdoors have increased. Along with this, the chances of use under low rainfall and under dusty environments are increasing. In addition, in order to cope with the increase in the amount of heat generated by the performance improvement of CPU, which evolves year by year, it is necessary to have a structure to dissipate these heats, pursue waterproof and dustproof functions, and improve the waterproof and dustproof performance. The development of the intended information processing device is being pursued.

Hereinafter, a conventional information processing apparatus will be described with reference to the drawings. FIG. 3 is a cross-sectional view of a conventional information processing apparatus viewed from above. In the figure, reference numeral 11 denotes a cabinet of the information processing apparatus main body, which is provided with an intake port 11a and an exhaust port 11b. Reference numeral 12 denotes a printed wiring board on which a CPU is mounted.
And a heat generating component 13 such as a VGA chip. Reference numeral 14 denotes a heat radiating plate for radiating heat generated from the heat generating components 13. Reference numeral 15 denotes a fan motor for sucking air inside the information processing apparatus main body and discharging the air to the outside.

In the conventional information processing apparatus configured as described above, the heat generated from the heat-generating component 13 is naturally radiated by bringing the heat radiating plate 14 into contact with a part of the cabinet 11 or the intake port 11 a of the cabinet 11. , Forced air cooling is performed by taking in outside air from the outside and discharging the air to the outside through the exhaust port 11b by the fan motor 15.

[0005]

However, in the above-mentioned conventional information processing apparatus, it is necessary to perform more air intake and exhaust in order to perform more heat radiation with an increase in the amount of heat generated due to an increase in performance of the CPU and the like. In some cases, it was necessary to provide a large number of intake and exhaust ports in the cabinet. However, in order to satisfy the waterproof and dustproof functions, it is necessary to seal the cabinet, and when using it in a sealed state, there is no other method such as contacting a heat sink or the like with the cabinet outer shell to dissipate heat. The shell temperature could be too high.

According to the present invention, it is possible to maintain the heat radiation performance corresponding to the increase in the amount of heat generated by the CPU and the like, without increasing the outer temperature of the information processing apparatus main body, and to suppress the entry of water and dust into the apparatus. It is an object to provide an information processing device.

[0007]

In order to solve the above-mentioned problems, an information processing apparatus according to the present invention comprises a heat radiation pipe having a high thermal conductivity and penetrating the apparatus body. Is tightly connected to the air intake and exhaust ports on the side of the equipment body cabinet with packing, and the heat radiation components on the printed circuit board are arranged so as to contact the outer surface of the heat radiation duct. A waterproof fan motor for taking in and exhausting air from the inside is arranged to dissipate heat from heat-generating components inside the device.

With the above structure, the heat-generating component can be cooled by the outside air having a lower temperature than the inside of the device, and the portion where the temperature rises due to heat radiation is the duct portion inside the device, and the rise in the outer shell temperature is small. . In addition, since the vicinity of the joint (suction / exhaust port) between the duct and the cabinet is tightly joined by packing, even if dust or water drops enter from the inlet, it does not reach the inside of the device. Therefore, the information processing apparatus can be efficiently cooled while maintaining the waterproof and dustproof performance.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention is characterized in that a tubular heat-radiating duct having high thermal conductivity disposed so as to penetrate the inside of an information processing apparatus main body, and to each end of the heat-radiating duct. An opening on the side of the cabinet of the information processing apparatus main body provided opposite thereto, and a packing provided between the both ends and the opening are provided, wherein moisture or air outside the apparatus is provided. Since it flows only inside the heat radiation duct and does not enter the inside of the device, it has the effect of cooling the heat-generating components while having a sealed structure in which water and dust do not enter.

According to a second aspect of the present invention, in the information processing apparatus according to the first aspect, the heat radiation duct is indirectly or directly connected to a heat-generating component mounted on a printed wiring board inside the information processing apparatus main body. It is characterized by being arranged so as to be in contact with the heat-generating component, and has the effect that heat from the heat-generating component can be more efficiently radiated.

According to a third aspect of the present invention, in the information processing apparatus according to the first aspect, a waterproof fan motor is provided at one end of the heat radiating duct so as to exhaust or suck air inside the heat radiating duct. It is characterized by being arranged, and has an effect that the heat from the heat generating component can be more effectively radiated.

Hereinafter, an embodiment of the present invention will be described with reference to FIG.
This will be described with reference to FIG. (Embodiment 1) FIG. 1 is a sectional view of an information processing apparatus according to an embodiment of the present invention as viewed from above, and FIG. 2 is a sectional view as viewed from the side. In the figure, reference numeral 1 denotes an apparatus main body cabinet to which a printed wiring board 2 is attached. On this printed wiring board 2, a heat generating component 3 such as a CPU is mounted. Reference numeral 4 denotes a heat radiation duct, which has a tubular section and is made of a material having high heat transfer efficiency, and is arranged so that the outer surface of the heat radiation duct 4 contacts the heat generating component 3. Both ends of the heat radiating duct 4 are tightly connected to the main body cabinet 1 via a packing 5, so that outside air can be sucked into the cabinet portion of the connecting portion and air inside the heat radiating duct 4 can be exhausted. And the inlet 1a,
And an exhaust port 1b. In order to obtain a further heat radiation effect, a waterproof / dustproof fan motor 6 is arranged at one end of the heat radiation duct 4 so that the outside air is forced to flow inside the heat radiation duct 4.

The operation of the information processing apparatus of the present invention configured as described above will be described below. When the apparatus is operated, the heat-generating components 3 such as the CPU on the printed wiring board 2 generate heat, and the heat is transferred to the heat-radiating duct 4 that is in contact. At the same time, the fan motor 6 rotates, the outside air is sucked into the heat radiation duct 4 from the suction port 1a, and is discharged from the exhaust port 1b through the heat radiation duct 4. At this time, the temperature of the air in the heat radiating duct 4 is lower than the temperature inside the device which is rising due to various heat generating components. As a result, the heat radiating duct 4 is cooled, and further, the heat generation of the heat generating component 3 can be suppressed. it can. Air outside the device passes only through the heat radiation duct 4 and does not enter the device due to the packing 5 or the like. Therefore, water and the like do not enter due to dust or rain in the air.

As described above, in this embodiment, it is possible to efficiently cool the heat-generating components inside the apparatus while maintaining the degree of sealing of the apparatus.

In this embodiment, the heat radiating duct is in direct contact with the heat-generating component. However, the heat radiating effect is large even in an indirect contact with the heat-generating component through a heat radiating plate.

Further, in the present embodiment, the fan motor is used in the direction of discharging air from the device, but it goes without saying that the fan motor may be used in the direction of sucking air into the heat radiation duct.

[0017]

As described above, according to the present invention, since the cool air outside the device is used for cooling the heat-generating components inside the device, high-efficiency heat radiation is possible, and the air for cooling is also used. , Which is extremely useful for a portable information processing device that is required to have high waterproof and dustproof properties because it can block moisture and dust extremely harmful to the information processing device. In addition, the portion where the temperature rises due to heat generation is limited to the heat radiation duct portion inside the device, and it is possible to prevent the temperature of the outer shell of the device from rising, which is extremely useful when carrying the device.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of an information processing apparatus according to an embodiment of the present invention as viewed from above.

FIG. 2 is a cross-sectional view of the information processing apparatus according to the embodiment of the present invention as viewed from a side.

FIG. 3 is a cross-sectional view of a conventional information processing apparatus viewed from above.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cabinet 1a Suction port 1b Exhaust port 3 Heat generating part 4 Heat radiation duct 5 Packing 6 Fan motor

Claims (3)

[Claims] A heat-dissipating tubular heat-dissipating duct disposed so as to penetrate the inside of the information-processing-device main body; and a side face of the information-processing-device-main-unit cabinet provided at both ends of the heat-dissipating duct. An information processing apparatus comprising: an opening; and a packing provided between the both ends and the opening. 2. The information processing apparatus according to claim 1, wherein the heat radiation duct is disposed so as to be indirectly or directly in contact with a heat generating component mounted on a printed wiring board inside the information processing apparatus main body. . 3. The information processing apparatus according to claim 1, wherein a water-proof fan motor is disposed at one end of the heat radiation duct so as to exhaust or suck air inside the heat radiation duct.