JP2005019586A - Heat exhausting equipment and electronic apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide heat exhausting equipment which efficiently cools apparatuses housed inside and protects the inside from being dusty by locating a fan and an exhausting section at proper positions. <P>SOLUTION: The heat exhausting equipment for exhausting heat from inside a housing wherein a plurality of heating members are housed comprises: an air feeding fan 106 located in an upper part of the housing 101 to feed air into the housing; a filter 120 for removing dust from the air fed in by the air feeding fan 106; and an opening 119 located in the lower part of the housing 101 to exhaust the air fed in by the air feeding fan 106 out of the housing. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a heat exhaust apparatus and an electronic device for effectively exhausting heat from a housing having a plurality of heat generating members.
[0002]
[Prior art]
Today, electronic devices are installed on the street where users can select from multiple sample images for stickers, postcards, etc., form images on media, and take them out from the outlet. A monitor, a personal computer, an image forming apparatus, and the like are incorporated.
[0003]
In such an electronic device, the monitor, the personal computer, and the image forming apparatus generate heat during operation, so that the inside of the housing is in a high temperature state, which may adversely affect the built-in device. In addition, if the casing is installed for a long period of time, dust or dust may enter the casing and adversely affect the built-in equipment.
[0004]
As a method for improving this, it is common to provide a fan for blowing the air inside the casing to the outside of the casing to prevent the casing from generating heat. (Patent Document 1)
[0005]
[Patent Document 1]
JP 2001-236060 (FIG. 2, page 2)
[0006]
[Problems to be solved by the invention]
However, in such a conventional cooling method, the original function may not be sufficiently exhibited depending on the mounting position of the fan / exhaust port. For example, outside air flows into the housing as the air is exhausted, and dust and dirt enter the housing as the air flows in, which may cause damage to the equipment.
[0007]
The present invention has been made in view of the above-described conventional example. The purpose of the present invention is to efficiently cool the internal internal devices and to prevent dust from being disposed by arranging the fan and the exhaust unit at appropriate positions. Provide a simple heat exhaust device and electronic equipment.
[0008]
[Means for Solving the Problems]
In order to achieve the above object, a typical configuration according to the present invention is a heat exhaust device for exhausting heat from the inside of a housing having a plurality of heat generating members. An air supply fan for supplying air, a filter for removing dust sent by the air supply fan, and a lower part of the housing, for exhausting the air sent by the air supply fan to the outside of the housing And an exhaust part.
[0009]
According to the above configuration, the inside of the housing is made positive by the air supply fan, and the inside of the housing is protected from dust, the air supply fan is disposed at the top of the housing, and the exhaust portion is disposed opposite the suction fan. By using the lower part of the casing, it is possible to take in outside air with relatively little dust, so that the filter can be replaced in an efficient cycle. Further, by disposing the exhaust part on the lower surface of the casing facing the fan and disposing the built-in device therebetween, the built-in device can be cooled evenly.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
DESCRIPTION OF EMBODIMENTS Embodiments relating to a heat exhaust apparatus and an electronic apparatus according to the present invention will be described below in detail with reference to the drawings.
[0011]
[First Embodiment]
FIG. 1 is a diagram that best represents the features of the present invention, and is a side cross-sectional view of a vending machine incorporating a heat exhaust device. Hereinafter, embodiments will be described with reference to this drawing.
[0012]
Reference numeral 101 denotes a casing of a vending machine or the like, which is composed of, for example, a metal part having good thermal conductivity, can be moved by a caster 108, and is fixed by an adjuster 109 after the movement.
[0013]
102 is a touch panel monitor fixed to the housing 101 via a metal bracket 117 having good thermal conductivity, for example, 103 is a personal computer, 104 is a slide rail 110 that can be pulled out of the housing 101 and falls down. The image forming apparatus includes a prevention leg 111.
[0014]
Reference numeral 105 denotes an uninterruptible power supply that continues to supply power for a certain period of time even when power is suddenly interrupted, such as a power failure, 106 is a fan, and 114 is a speaker. Reference numeral 115 denotes a coin vendor provided with a safe 116 for storing coins at the bottom, which are connected by a cable (not shown) and controlled by a relay board 118.
[0015]
The user inserts coins into the coin vendor 115 to start a service, and determines desired content on the touch panel monitor 102. Data selected by the user is transmitted to the image forming apparatus 104 via the personal computer 103, and the formed medium is discharged to the A part in FIG. 1, passes through the shooter 107, and reaches the B part.
[0016]
The user pushes in the flapper 112 through a take-out port 113 attached to the openable / closable front door 123 to take out the medium staying in part B.
[0017]
FIG. 2 is a CC cross section in FIG. In the figure, reference numeral 119 denotes an opening as an exhaust part, which communicates with the outside air.
[0018]
In FIG. 1, the fan 106 is disposed inside the upper portion of the casing 101, and the filter 120 is disposed outside the opposing casing 101. The filter 120 is disposed on a filter tray 122 built in the filter case 121, and can be replaced by pulling out the filter tray 122 from the filter case 121.
[0019]
The fan 106 is driven in a direction in which air is blown through the filter 120 into the housing, and the sucked air is discharged from the opening 119 at the bottom of the housing. The heat generation capacities of the monitor 102, personal computer 103, image forming apparatus 104, relay board 118, and uninterruptible power supply 105 are as follows: monitor 102> personal computer 103> image forming apparatus 104> relay board 118> uninterruptible power supply 105. These are arranged in order from the top in the housing 101 in descending order of heat generation capacity.
[0020]
Further, the monitor 102 having the highest heat generation amount is disposed at a position that directly receives the air from the fan 106.
[0021]
As described above, according to the configuration described above, the fan 106 is driven in the suction direction, so that the inside of the housing becomes positive pressure, and dust can be prevented from entering outside the housing. Since the upper part of the housing is located at the upper part of the housing and the lower part of the housing opposite to the fan 106 is located at the exhaust part, it is possible to take in the outside air with relatively little dust and dust. It is possible to replace the filter.
[0022]
In addition, by disposing the opening 119 that is an exhaust portion on the lower surface of the housing facing the fan 106 and disposing the built-in device therebetween, the built-in device can be evenly cooled.
[0023]
Further, by arranging the built-in devices in order from the one having the highest heat capacity, the outside air taken in from the fan 106 is preferentially supplied from the built-in devices having the high heat capacity.
[0024]
In addition, the built-in object with the highest calorific value can be cooled more efficiently by arranging it at a position where the air directly hits the fan. Moreover, by making the housing material a material with high thermal conductivity, heat dissipation is enhanced, and more efficient cooling is possible.
[0025]
[Second Embodiment]
FIG. 3 is a side sectional view of a vending machine to which the heat exhaust apparatus according to the second embodiment is applied, and FIG. 4 is a DD sectional view in FIG. Here, members having the same functions as those of the first embodiment described above are denoted by the same reference numerals, and redundant description is omitted, and only differences from the first embodiment will be described.
[0026]
In the present embodiment, as shown in FIGS. 3 and 4, the opening 119 that the first embodiment has on the bottom surface of the housing 101 does not exist, and instead, the exhaust portion is provided on the bottom surface of the housing 101. An opening 301 is formed, and a fan 301 that is driven in a direction to discharge the air in the housing to the outside is attached to the opening.
[0027]
In this way, not only the opening portion 119 but also the internal heat is positively exhausted by the fan 301, so that not only the effect obtained by the configuration of the first embodiment described above but also a further cooling effect can be obtained. Can be obtained.
[0028]
【The invention's effect】
As described above, according to the present invention, the inside of the housing is protected from dust by applying a positive pressure to the inside of the housing by the air supply fan, and the arrangement position of the air supply fan is the upper position of the housing, the arrangement position of the exhaust port. By using the lower portion of the housing opposite to the suction fan, it is possible to take in outside air with relatively little dust, so that the filter can be replaced in an efficient cycle. Further, by arranging the exhaust port on the lower surface of the casing facing the fan and arranging the built-in device between them, the built-in device can be cooled evenly.
[Brief description of the drawings]
FIG. 1 is a side sectional view of a vending machine according to a first embodiment.
FIG. 2 is a cross-sectional view taken along the line CC in FIG.
FIG. 3 is a side sectional view of a vending machine according to a second embodiment.
4 is a cross-sectional view taken along the line DD in FIG. 3;
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 101 ... Case 102 ... Touch panel monitor 103 ... Personal computer 104 ... Image forming apparatus 105 ... Uninterruptible power supply 106 ... Fan 112 ... Flapper 113 ... Outlet 114 ... Speaker 115 ... Coin vendor 116 ... Safe 117 ... Bracket 118 ... Relay board 119 ... opening 120 ... filter 121 ... filter case 122 ... filter tray 123 ... front door 301 ... fan

Claims (6)

In a heat exhaust device for exhausting heat from the inside of a housing containing a plurality of heat generating members,
An air supply fan disposed at the top of the housing for sending air into the housing;
A filter for dust removal of air sent by the air supply fan;
An exhaust part disposed at the lower part of the casing, for exhausting the air sent by the air supply fan out of the casing;
An exhaust heat device comprising: The heat generating device, wherein the heat generating member is disposed between the air supply fan and the exhaust unit, and is disposed from the top in order from a heat generating member having a high heat generation amount. 3. The heat exhaust apparatus according to claim 1, wherein at least a part of the heat generating member is disposed at a position where air sent by the air supply fan directly hits the heat generating member. The said housing | casing is comprised with the material with high heat conductivity, and at least one part of the said heat generating member is contacting the said housing | casing, The any one of Claim 1 thru | or 3 characterized by the above-mentioned. Heat exhaust device. The exhaust heat apparatus according to any one of claims 1 to 4, wherein the exhaust unit includes an exhaust fan for exhausting air in the housing. In an electronic device for exhausting heat from within a housing containing a plurality of heat generating members,
An air supply fan disposed at the top of the housing for sending air into the housing;
A filter for dust removal of air sent by the air supply fan;
An exhaust part disposed at the lower part of the casing, for exhausting the air sent by the air supply fan out of the casing;
An electronic device comprising:

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