JP2014225595A - Cooling device and electronic apparatus equipped with the same - Google Patents

Cooling device and electronic apparatus equipped with the same Download PDF

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JP2014225595A
JP2014225595A JP2013104719A JP2013104719A JP2014225595A JP 2014225595 A JP2014225595 A JP 2014225595A JP 2013104719 A JP2013104719 A JP 2013104719A JP 2013104719 A JP2013104719 A JP 2013104719A JP 2014225595 A JP2014225595 A JP 2014225595A
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blower
air supply
exhaust port
hypotenuse
heat exchange
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安井　伸行
Nobuyuki Yasui
伸行 安井
雅史 松井
Masafumi Matsui
雅史 松井
杉山　誠
Makoto Sugiyama
誠 杉山
泰世 杉本
Yasuyo Sugimoto
泰世 杉本
将秀 福本
Masahide Fukumoto
将秀 福本
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Panasonic Corp
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Panasonic Corp
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Abstract

PROBLEM TO BE SOLVED: To improve heat exchange efficiency in a cooling device and an electronic apparatus equipped with the cooling device.SOLUTION: A heat exchange element 14 is formed by alternately laminating first plate bodies, each of which has a first ventilation passage connecting a first supply/exhaust port 7 with a third supply/exhaust port 9 and having a substantially C shape on the surface side, and second plate bodies, each of which has a second ventilation passage connecting a second supply/exhaust port 8 with a fourth supply/exhaust port 10 and having a substantially inverted C shape on the surface side, at predetermined intervals. As a result, the first ventilation passage and the second ventilation passage in the heat exchange element 14 become long. Consequently, the efficiency of heat exchange between fluids flowing in the first ventilation passage and the second ventilation passage becomes high.

Description

本発明は、例えば表示素子と、この表示素子を駆動する駆動回路を冷却する冷却装置およびこれを搭載した電子機器に関するものである。   The present invention relates to, for example, a display device, a cooling device that cools a drive circuit that drives the display device, and an electronic apparatus equipped with the cooling device.

従来この種の冷却装置は、一端側に第１の給排気口、第２の給排気口、他端側に第３の給排気口、第４の給排気口を設けた本体ケースと、この本体ケース内の一端側に設けた第１の送風機と、前記本体ケース内の他端側に設けた第２の送風機と、前記本体ケース内の第１の送風機と第２の送風機間に設けた熱交換素子とを備えている。   Conventionally, this type of cooling device includes a main body case provided with a first air supply / exhaust port on one end side, a second air supply / exhaust port, a third air supply / exhaust port on the other end side, and a fourth air supply / exhaust port, A first blower provided at one end in the main body case, a second blower provided at the other end in the main case, and a first blower and a second blower in the main case. A heat exchange element.

また、前記熱交換素子は、その表面側に、前記第１の給排気口と第３の給排気口を結ぶ直線状の第１の通気経路を有する第１の板体と、その表面側に、前記第２の給排気口と第４の給排気口を直線状の第２の通気経路を有する第２の板体とを、所定間隔で交互に複数枚積層した構成としている。   The heat exchange element has a first plate body having a linear first ventilation path connecting the first air supply / exhaust port and the third air supply / exhaust port on a surface side thereof, and a surface side thereof. The second air supply / exhaust port and the fourth air supply / exhaust port have a configuration in which a plurality of second plate bodies each having a linear second ventilation path are alternately stacked at a predetermined interval.

さらに、前記第１の板体の第１の送風機側には、この第１の送風機側に突出する三角形の第１の端部を設け、この第１の端部が有する第１の斜辺、第２の斜辺のうち、前記第１の斜辺には、前記第１の給排気口に接続される第１の通気口を設け、この第１の板体の第２の送風機側には、この第２の送風機側に突出する三角形の第２の端部を設け、この第２の端部が有する第１の斜辺、第２の斜辺のうち、前記第１の斜辺には、前記第２の送風機を介して第３の給排気口に接続される第２の通気口を設けている。   Further, a first end portion of a triangle protruding toward the first blower side is provided on the first blower side of the first plate body, and a first hypotenuse that the first end portion has, Among the two hypotenuses, the first hypotenuse is provided with a first vent port connected to the first air supply / exhaust port, and the first air blower side of the first plate body is provided with the first vent port. A second end of a triangle projecting to the side of the second blower is provided, and the second blower is provided on the first hypotenuse of the first hypotenuse and the second hypotenuse of the second end. A second ventilation port connected to the third air supply / exhaust port is provided.

また、前記第２の板体の第１の送風機側には、この第１の送風機側に突出する三角形の第３の端部を設け、この第３の端部が有する第１の斜辺、第２の斜辺のうち、前記第２の斜辺には、前記第１の送風機を介して第２の給排気口に接続される第３の通気口を設け、この第２の板体の第２の送風機側には、この第２の送風機側に突出する三角形の第４の端部を設け、この第４の端部が有する第１の斜辺、第２の斜辺のうち、前記第２の斜辺には、前記第４の給排気口に接続される第４の通気口を設けた構成となっている（これに類似する先行文献としては下記特許文献１が存在する）。   In addition, the first fan side of the second plate body is provided with a triangular third end portion projecting toward the first fan side, and the first hypotenuse, Among the two hypotenuses, the second hypotenuse is provided with a third vent connected to the second air supply / exhaust through the first blower, and the second plate body has a second vent. On the blower side, a triangular fourth end projecting toward the second blower side is provided, and the first hypotenuse and the second hypotenuse of the fourth end have the second hypotenuse. Has a configuration in which a fourth ventilation port connected to the fourth air supply / exhaust port is provided (the following Patent Document 1 exists as a similar prior art document).

特開２０００−１６１８７５号公報JP 2000-161875 A

上記冷却装置は、第１の送風機によって例えば、室内の高温空気を第２の給排気口へと吸引し、次に熱交換素子の第２の通気経路を介して第４の給排気口へと流すようにしている。   In the cooling device, for example, indoor high-temperature air is sucked into the second air supply / exhaust port by the first blower, and then to the fourth air supply / exhaust port via the second ventilation path of the heat exchange element. I try to make it flow.

また、第２の送風機によって例えば、屋外の低温空気を第３の給排気口へと吸引し、次に熱交換素子の第１の通気経路を介して第１の給排気口へと流すようにしている。   In addition, for example, outdoor low-temperature air is sucked into the third air supply / exhaust port by the second blower, and then flows to the first air supply / exhaust port through the first ventilation path of the heat exchange element. ing.

そして、熱交換素子を構成する第１の板体、第２の板体を介して室内の高温空気と屋外の低温空気の熱交換をさせるようになっている。   And heat exchange of indoor high temperature air and outdoor low temperature air is carried out via the 1st board and 2nd board which constitute a heat exchange element.

このような構成において課題となるのは、熱交換素子部分において行われる室内の高温空気と屋外の低温空気の熱交換効率が低いということである。   The problem in such a configuration is that the heat exchange efficiency between the indoor high-temperature air and the outdoor low-temperature air performed in the heat exchange element portion is low.

すなわち、従来例においては、室内の高温空気が流れる熱交換素子の第２の通気経路と、屋外の低温空気が流れる第１の通気経路が何れも直線状となっているので、室内の高温空気と屋外の低温空気が熱交換される面積を長くすることができず、その結果として、熱交換効率が低くなってしまうのであった。   That is, in the conventional example, both the second ventilation path of the heat exchange element through which the indoor high-temperature air flows and the first ventilation path through which the outdoor low-temperature air flows are linear. As a result, the heat exchange efficiency of the outdoor low-temperature air cannot be increased.

そこで、本発明は、熱交換効率を高くすることを目的とするものである。   Therefore, the object of the present invention is to increase the heat exchange efficiency.

そして、この目的を達成するために、本発明は、一端側に第１の給排気口、第２の給排気口、他端側に第３の給排気口、第４の給排気口を設けた本体ケースと、この本体ケース内の一端側に設けた第１の送風機と、前記本体ケース内の他端側に設けた第２の送風機と、前記本体ケース内の第１の送風機と第２の送風機間に設けた熱交換素子とを備えた構成とする。   In order to achieve this object, the present invention is provided with a first air supply / exhaust port, a second air supply / exhaust port on one end side, and a third air supply / exhaust port on the other end side. A main body case, a first blower provided at one end in the main body case, a second blower provided at the other end in the main body case, a first blower and a second in the main body case It is set as the structure provided with the heat exchange element provided between these air blowers.

また、前記熱交換素子は、その表面側に、前記第１の給排気口と第３の給排気口を結ぶ略Ｃの字状の第１の通気経路を有する第１の板体と、その表面側に、前記第２の給排気口と第４の給排気口を結ぶ略逆Ｃの字状の第２の通気経路を有する第２の板体とを、所定間隔で交互に複数枚積層した構成とする。   The heat exchanging element has a first plate body having a substantially C-shaped first ventilation path connecting the first air supply / exhaust port and the third air supply / exhaust port on the surface side thereof, A plurality of second plates having a substantially reverse C-shaped second ventilation path connecting the second air supply / exhaust port and the fourth air supply / exhaust port are alternately laminated on the surface side at a predetermined interval. The configuration is as follows.

さらに、前記第１の板体の第１の送風機側には、この第１の送風機側に突出する三角形の第１の端部を設け、この第１の端部が有する第１の斜辺、第２の斜辺のうち、前記第１の斜辺には、前記第１の給排気口に接続される第１の通気口を設ける。   Further, a first end portion of a triangle protruding toward the first blower side is provided on the first blower side of the first plate body, and a first hypotenuse that the first end portion has, Of the two hypotenuses, the first hypotenuse is provided with a first vent connected to the first air supply / exhaust port.

また、この第１の板体の第２の送風機側には、この第２の送風機側に突出する三角形の第２の端部を設け、この第２の端部が有する第１の斜辺、第２の斜辺のうち、前記第１の斜辺には、前記第２の送風機を介して第３の給排気口に接続される第２の通気口を設ける。   The second plate side of the first plate body is provided with a triangular second end projecting toward the second blower side, and the first hypotenuse and second end of the second end portion are provided. Of the two hypotenuses, the first hypotenuse is provided with a second vent connected to the third air supply / exhaust through the second blower.

さらに、前記第２の板体の第１の送風機側には、この第１の送風機側に突出する三角形の第３の端部を設け、この第３の端部が有する第１の斜辺、第２の斜辺のうち、前記第２の斜辺には、前記第１の送風機を介して第２の給排気口に接続される第３の通気口を設ける。   Further, the first fan side of the second plate body is provided with a triangular third end portion protruding toward the first fan side, and the first hypotenuse, Of the two hypotenuses, the second hypotenuse is provided with a third vent that is connected to the second air supply / exhaust through the first blower.

また、この第２の板体の第２の送風機側には、この第２の送風機側に突出する三角形の第４の端部を設け、この第４の端部が有する第１の斜辺、第２の斜辺のうち、前記第２の斜辺には、前記第４の給排気口に接続される第４の通気口を設けた構成とする。   In addition, on the second blower side of the second plate body, a triangular fourth end projecting toward the second blower is provided, and the first hypotenuse, the first end of the fourth end, Among the two hypotenuses, the second hypotenuse is provided with a fourth ventilation port connected to the fourth air supply / exhaust port.

そして、以上の構成により、初期の目的を達成するものである。   With the above configuration, the initial purpose is achieved.

以上のように本発明は、その熱交換素子を、表面側に、前記第１の給排気口と第３の給排気口を結ぶ略Ｃの字状の第１の通気経路を有する第１の板体と、表面側に、前記第２の給排気口と第４の給排気口を結ぶ略逆Ｃの字状の第２の通気経路を有する第２の板体とを、所定間隔で交互に複数枚積層した構成としたので、この熱交換素子内における第１、第２の通気経路が長くなり、その結果として、第１、第２の通気経路を流れる流体間の熱交換効率の高いものとなる。   As described above, according to the present invention, the heat exchanging element has a first C-shaped first ventilation path connecting the first air supply / exhaust port and the third air supply / exhaust port on the surface side. The plate body and the second plate body having a substantially reverse C-shaped second ventilation path connecting the second air supply / exhaust port and the fourth air supply / exhaust port on the surface side are alternately arranged at predetermined intervals. In this heat exchange element, the first and second ventilation paths become longer, and as a result, the heat exchange efficiency between the fluids flowing through the first and second ventilation paths is high. It will be a thing.

本発明の実施の形態１の電子機器の斜視図The perspective view of the electronic device of Embodiment 1 of this invention 同電子機器の断面図Cross-sectional view of the same electronic device 同電子機器の一部を切り欠いた背面側からの斜視図Perspective view from the back side with a part of the electronic device cut out 同電子機器の冷却装置の構成を示す断面図Sectional drawing which shows the structure of the cooling device of the electronic device 同電子機器の冷却装置の構成を示す断面図Sectional drawing which shows the structure of the cooling device of the electronic device 同電子機器の冷却装置の構成を示す一部拡大断面図Partially enlarged sectional view showing the configuration of the cooling device of the electronic device 同電子機器の冷却装置の熱交換素子の分解斜視図The exploded perspective view of the heat exchange element of the cooling device of the electronic device 同電子機器の冷却装置の熱交換素子の平面図Plan view of heat exchange element of cooling device of the same electronic device 同電子機器の冷却装置の熱交換素子の平面図Plan view of heat exchange element of cooling device of the same electronic device 本発明の実施の形態２の電子機器の分解平面図The exploded plan view of the electronic device of Embodiment 2 of the present invention 同電子機器の冷却装置の一部拡大図Partial enlarged view of the cooling device of the electronic device 同電子機器の冷却装置の一部拡大図Partial enlarged view of the cooling device of the electronic device

以下、本発明の実施の形態について図面を参照しながら説明する。   Hereinafter, embodiments of the present invention will be described with reference to the drawings.

（実施の形態１）
図１において、１は例えば空港ロビーや、屋外に設置される電子機器で、内部には、図２のごとく縦長形状の表示素子２が配置され、それを表面から目視可の状態としている。 (Embodiment 1)
In FIG. 1, reference numeral 1 denotes an electronic device installed, for example, in an airport lobby or outdoors. Inside, a vertically long display element 2 is arranged as shown in FIG. 2, and is visible from the surface.

この表示素子２は、各種の情報を表示し、周囲の人物に知らしめるためのものであり、輝度も高くなっているので、本実施形態では、この表示素子２およびこの表示素子２を駆動する駆動回路３を、屋外空気を利用して温度を低下させるようにしている。   The display element 2 is for displaying various kinds of information and informing surrounding people, and has high luminance. Therefore, in the present embodiment, the display element 2 and the display element 2 are driven. The drive circuit 3 uses outdoor air to lower the temperature.

つまり、表示素子２を駆動する駆動回路３が発熱体となるので、屋外空気を吸気口４から吸い込み、熱交換後、排気口５から排出させることにより、この発熱体の冷却を行うようになっているのである。   That is, since the drive circuit 3 that drives the display element 2 serves as a heating element, the heating element is cooled by sucking outdoor air from the intake port 4 and exhausting it from the exhaust port 5 after heat exchange. -ing

そのために、電子機器１の内部には図２〜図４のごとく冷却装置６が配置されている。   For this purpose, a cooling device 6 is arranged inside the electronic device 1 as shown in FIGS.

冷却装置６は図４に示すように、一端側（上端側）に第１の給排気口７、第２の給排気口８、他端側（下端側）に第３の給排気口９、第４の給排気口１０を設けた縦長薄い箱状の本体ケース１１と、この本体ケース１１内の一端側（上端側）に設けた第１の送風機１２と、本体ケース１１内の他端側（下端側）に設けた第２の送風機１３と、本体ケース１１内の第１の送風機１２と第２の送風機１３間に設けた熱交換素子１４とを備えた構成とする。   As shown in FIG. 4, the cooling device 6 includes a first air supply / exhaust port 7 and a second air supply / exhaust port 8 on one end side (upper end side), a third air supply / exhaust port 9 on the other end side (lower end side), A vertically thin box-shaped main body case 11 provided with a fourth air supply / exhaust port 10, a first blower 12 provided on one end side (upper end side) in the main body case 11, and the other end side in the main body case 11 It is set as the structure provided with the 2nd air blower 13 provided in the (lower end side), and the heat exchange element 14 provided between the 1st air blower 12 in the main body case 11, and the 2nd air blower 13. FIG.

なお、本実施形態では、図３のごとく電子機器１内には、複数の冷却装置６が併設状態で配置されている。   In the present embodiment, as shown in FIG. 3, a plurality of cooling devices 6 are arranged in the electronic device 1 in a side-by-side state.

また、熱交換素子１４は、図８に示すごとく、その表面側に、第１の給排気口７と第３の給排気口９を結ぶ略Ｃの字状の第１の通気経路１５を有する第１の板体１６と、図９に示すごとく、その表面側に、第２の給排気口８と第４の給排気口１０を結ぶ略逆Ｃの字状の第２の通気経路１７を有する第２の板体１８とを、図７に示すごとく、所定間隔で交互に複数枚積層した構成としている。   Further, as shown in FIG. 8, the heat exchange element 14 has a substantially C-shaped first ventilation path 15 connecting the first air supply / exhaust port 7 and the third air supply / exhaust port 9 on the surface side thereof. As shown in FIG. 9, the first plate body 16 has a substantially reverse C-shaped second ventilation path 17 connecting the second air supply / exhaust port 8 and the fourth air supply / exhaust port 10 on the surface side thereof. As shown in FIG. 7, a plurality of second plate bodies 18 are stacked alternately at a predetermined interval.

なお、略Ｃの字状の第１の通気経路１５は、図８のごとく第１の板体１６の表面上に、ライン状のリブ１９を設けることで、その表面上に積層された第２の板体１８との間で、略Ｃの字状の第１の通気経路１５を構成している。   The substantially C-shaped first ventilation path 15 is formed by providing a line-shaped rib 19 on the surface of the first plate 16 as shown in FIG. A substantially C-shaped first ventilation path 15 is formed with the plate body 18.

また、略逆Ｃの字状の第２の通気経路１７は、図９のごとく第２の板体１８の表面上に、ライン状のリブ２０を設けることで、その表面上に積層された第１の板体１６との間で、略逆Ｃの字状の第２の通気経路１７を構成している。   In addition, the substantially reverse C-shaped second ventilation path 17 is formed by providing a line-shaped rib 20 on the surface of the second plate 18 as shown in FIG. A substantially reverse C-shaped second ventilation path 17 is formed between the first plate body 16 and the first plate body 16.

さらに、第１の板体１６の第１の送風機１２側には、図８のごとくこの第１の送風機１２側に突出する三角形の第１の端部２１を設け、この第１の端部２１を形成する、三角形の隣合う第１の斜辺２２、第２の斜辺２３のうち、第１の斜辺２２には、第１の給排気口７に接続される第１の通気口２４を設けている。   Further, a triangular first end 21 protruding toward the first blower 12 as shown in FIG. 8 is provided on the first blower 12 side of the first plate body 16, and the first end 21 is provided. A first vent 24 connected to the first air supply / exhaust port 7 is provided on the first hypotenuse 22 of the first hypotenuse 22 and the second hypotenuse 23 adjacent to each other in the triangle. Yes.

また、この第１の板体１６の第２の送風機１３側には、この第２の送風機１３側に突出する三角形の第２の端部２５を設け、この第２の端部２５を形成する、三角形の隣合う第１の斜辺２６、第２の斜辺２７のうち、第１の斜辺２６には、第２の送風機１３を介して第３の給排気口９に接続される第２の通気口２８を設けている。   In addition, a triangular second end 25 protruding toward the second blower 13 is provided on the second blower 13 side of the first plate body 16 to form the second end 25. Among the first hypotenuse 26 and the second hypotenuse 27 that are adjacent to each other in the triangle, the first hypotenuse 26 is connected to the third air supply / exhaust port 9 via the second blower 13. A mouth 28 is provided.

さらに、第２の板体１８の第１の送風機１２側には、図９に示すように、この第１の送風機１２側に突出する三角形の第３の端部２９を設け、この第３の端部２９を形成する、三角形の隣合う第１の斜辺３０、第２の斜辺３１のうち、第２の斜辺３１には、第１の送風機１２を介して第２の給排気口８に接続される第３の通気口３２を設けている。   Further, as shown in FIG. 9, a triangular third end portion 29 projecting toward the first blower 12 is provided on the first blower 12 side of the second plate body 18, Of the first hypotenuse 30 and the second hypotenuse 31 adjacent to each other forming the end portion 29, the second hypotenuse 31 is connected to the second air supply / exhaust port 8 through the first blower 12. A third vent 32 is provided.

また、この第２の板体１８の第２の送風機１３側には、この第２の送風機１３側に突出する三角形の第４の端部３３を設け、この第４の端部３３を形成する、三角形の隣合う第１の斜辺３４、第２の斜辺３５のうち、第２の斜辺３５には、第４の給排気口１０に接続される第４の通気口３６を設けている。   Further, on the second blower 13 side of the second plate body 18, a triangular fourth end portion 33 protruding toward the second blower 13 side is provided, and this fourth end portion 33 is formed. Of the first hypotenuse 34 and the second hypotenuse 35 adjacent to each other in the triangle, the second hypotenuse 35 is provided with a fourth vent 36 connected to the fourth air supply / exhaust port 10.

なお、第２の板体１８は、第１の板体１６を、平面方向で１８０度回転させたもの、つまり同一構造体であり、これを平面方向に１８０度回転させた状態で、図７のごとく複数枚交互に積層することにより熱交換素子１４が構成されている。   The second plate 18 is the same as the first plate 16 rotated by 180 degrees in the plane direction, that is, the same structure, and is rotated 180 degrees in the plane direction as shown in FIG. As described above, the heat exchange element 14 is configured by alternately laminating a plurality of sheets.

また、本体ケース１１内に設けられた配置された第１の送風機１２と熱交換素子１４は図４〜図６のごとく第１の接続体３７によって位置決めと、風路の確保が図られている。   Further, the first blower 12 and the heat exchange element 14 arranged in the main body case 11 are positioned and secured by the first connecting body 37 as shown in FIGS. 4 to 6. .

具体的には、図４〜図６のごとく第１の送風機１２から第１の接続体３７が熱交換素子１４側に延長され、これで両者の位置決めが図られている。   Specifically, as shown in FIGS. 4 to 6, the first connecting body 37 is extended from the first blower 12 to the heat exchange element 14 side, thereby positioning the both.

また、この第１の接続体３７によって、上述した第１の給排気口７、第１の通気口２４の接続、および、前記第１の送風機１２を介して第２の給排気口８に接続される第３の通気口３２との分離を行っている。   In addition, the first connection body 37 connects the first air supply / exhaust port 7 and the first vent port 24 described above, and connects to the second air supply / exhaust port 8 via the first blower 12. The third vent 32 is separated.

同様に、本体ケース１１内に設けられた配置された第２の送風機１３と熱交換素子１４は図４〜図６のごとく第２の接続体３８によって位置決めと、風路の確保が図られている。   Similarly, the second blower 13 and the heat exchange element 14 arranged in the main body case 11 are positioned and secured by the second connecting body 38 as shown in FIGS. 4 to 6. Yes.

具体的には、図４、図５のごとく第２の送風機１３から第２の接続体３８が熱交換素子１４側に延長され、これで両者の位置決めが図られている。   Specifically, as shown in FIGS. 4 and 5, the second connection body 38 is extended from the second blower 13 to the heat exchange element 14 side, thereby positioning the both.

また、この第２の接続体３８によって、上述した第４の通気口３６、第４の給排気口１０の接続、および、前記第２の送風機１３を介して第３の給排気口９に接続される第２の通気口２８との分離を行っている。   In addition, the second connection body 38 connects the fourth ventilation port 36 and the fourth supply / exhaust port 10 described above, and connects to the third supply / exhaust port 9 via the second blower 13. The second vent 28 is separated.

なお、第１の接続体３７を第１の送風機１２とは別体、また第２の接続体３８と第２の送風機１３を別体で構成しても良い。   In addition, you may comprise the 1st connection body 37 as a different body from the 1st air blower 12, and the 2nd connection body 38 and the 2nd air blower 13 as a separate body.

この場合には、本体ケース１１外で、先ずは、第１の接続体３７と第１の送風機１２、および第２の接続体３８と第２の送風機１３を組み立て、次に第１の接続体３７と第２の接続体３８の間に、熱交換素子１４を一体に組み立て、これら第１の接続体３７、第１の送風機１２、熱交換素子１４、第２の接続体３８、第２の送風機１３を本体ケース１１内に装着するようにする。   In this case, outside the main body case 11, first, the first connecting body 37 and the first blower 12, and the second connecting body 38 and the second blower 13 are assembled, and then the first connecting body. 37 and the second connection body 38, the heat exchange element 14 is assembled integrally, and the first connection body 37, the first blower 12, the heat exchange element 14, the second connection body 38, and the second connection body 38 are assembled. The blower 13 is mounted in the main body case 11.

この状態において、特徴的なのは、第１の接続体３７が、第１の送風機１２の保持以外に、第１の給排気口７、第１の通気口２４の接続、および、前記第１の送風機１２を介して第２の給排気口８に接続される第３の通気口３２との分離を行っていることである。   In this state, what is characteristic is that the first connecting body 37 is connected to the first air supply / exhaust port 7 and the first air vent 24 in addition to the holding of the first blower 12, and the first blower. 12 is separated from the third ventilation port 32 connected to the second air supply / exhaust port 8 via 12.

また、第２の接続体３８が、第２の送風機１３の保持以外に、第４の通気口３６、第４の給排気口１０の接続、および、前記第２の送風機１３を介して第３の給排気口９に接続される第２の通気口２８との分離を行っている。   In addition to holding the second blower 13, the second connection body 38 is connected to the fourth vent 36, the fourth air supply / exhaust port 10, and the third blower 13 through the second blower 13. The second ventilation port 28 connected to the air supply / exhaust port 9 is separated.

以上のような構成において、第１の送風機１２、第２の送風機１３を駆動すると、表示素子２およびこの表示素子２を駆動する駆動回路３は、屋外空気を利用して冷却されることになる。   In the above configuration, when the first blower 12 and the second blower 13 are driven, the display element 2 and the drive circuit 3 that drives the display element 2 are cooled using outdoor air. .

具体的には、第１の送風機１２を駆動すると、図２、図４に示すように、電子機器１内部において、第１の送風機１２、熱交換素子１４の第３の通気口３２、第２の通気経路１７、第４の通気口３６、本体ケース１１の第４の給排気口１０、表示素子２と駆動回路３の外周、本体ケース１１の第２の給排気口８、第１の送風機１２と循環する空気が流れる。   Specifically, when the first blower 12 is driven, as shown in FIGS. 2 and 4, the first blower 12, the third vent 32 of the heat exchange element 14, the second inside the electronic device 1. Ventilation path 17, fourth ventilation port 36, fourth air supply / exhaust port 10 of main body case 11, outer periphery of display element 2 and drive circuit 3, second air supply / exhaust port 8 of main body case 11, first blower 12 and circulating air flow.

なお、この経路は、電子機器１内において屋外とは隔離された経路であるので、屋外のごみなどが侵入することは無い。また、この経路は、図４に示す第１の板体１６の裏側、第１の板体１６と第２の板体１８との間に形成されている。   Note that this route is a route isolated from the outdoors in the electronic device 1, and therefore, dust or the like outside does not enter. Further, this path is formed between the first plate body 16 and the second plate body 18 on the back side of the first plate body 16 shown in FIG.

そして、この空気流が表示素子２と駆動回路３の外周を流れるときに、それらの熱を奪い、それを熱交換素子１４において屋外空気に放出するようにしている。   When this air flow flows around the outer periphery of the display element 2 and the drive circuit 3, the heat is taken away and released to the outdoor air by the heat exchange element 14.

つまり、第２の送風機１３を駆動すると、図２、図４に示すように、電子機器１の吸気口４から吸引された屋外空気は、第３の給排気口９、第２の送風機１３、熱交換素子１４の第２の通気口２８、第１の通気経路１５、第１の通気口２４、第１の給排気口７、排気口５を介して、屋外に排出されるようになっている。   That is, when the second blower 13 is driven, outdoor air sucked from the intake port 4 of the electronic device 1 is converted into the third air supply / exhaust port 9, the second blower 13, as shown in FIGS. 2 and 4. The heat exchange element 14 is discharged to the outside through the second vent 28, the first vent path 15, the first vent 24, the first air supply / exhaust port 7, and the exhaust port 5. Yes.

そして、熱交換素子１４において、上述した表示素子２と駆動回路３を冷却した後の高温空気と、熱交換し、それを冷却することになる。   In the heat exchange element 14, heat exchange is performed with the high-temperature air after cooling the display element 2 and the drive circuit 3 described above to cool it.

このときに、重要なことは、熱交換素子１４の第１の通気経路１５が略Ｃの字状、また第２の通気経路１７が略逆Ｃの字状となっていることであり、このような構成とすることにより、熱交換面積を長く、広くすることで、熱交換効率を高めることができる。   At this time, what is important is that the first ventilation path 15 of the heat exchange element 14 has a substantially C-shape and the second ventilation path 17 has a substantially inverted C-shape. By setting it as such a structure, heat exchange efficiency can be improved by making a heat exchange area long and wide.

なお、本実施形態において、第１の給排気口７、第２の給排気口８、第３の給排気口９、第４の給排気口１０は、第１の送風機１２、第２の送風機１３がＰＵＳＨ型かＰＵＬＬ型かで給気口になったり、排気口になったりするので、給排気口と記載している。   In the present embodiment, the first air supply / exhaust port 7, the second air supply / exhaust port 8, the third air supply / exhaust port 9, and the fourth air supply / exhaust port 10 are the first blower 12 and the second blower. Since 13 is a PUSH type or a PULL type, it becomes an air supply port or an exhaust port, so it is described as an air supply / exhaust port.

また本実施形態において、第１の送風機１２、第２の送風機１３はＰＵＳＨ型であり、上述のように、第２の給排気口８、第３の給排気口９は給気口、第１の給排気口７、第４の給排気口１０は排気口として機能している。   Moreover, in this embodiment, the 1st air blower 12 and the 2nd air blower 13 are PUSH type | molds, and as above-mentioned, the 2nd air supply / exhaust port 8 and the 3rd air supply / exhaust port 9 are an air supply port, 1st. The air supply / exhaust port 7 and the fourth air supply / exhaust port 10 function as exhaust ports.

（実施の形態２）
図１０〜図１２は発明の実施の形態２を示すものである。実施の形態１と同様の構成要素については同一の符号を付し、その詳細な説明は省略する。 (Embodiment 2)
10 to 12 show a second embodiment of the present invention. The same components as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.

この実施形態では、冷却装置６の本体ケース１１を、一面側が開口した箱１１ａと、その開口を塞ぐ平板状の蓋１１ｂによって構成している。   In this embodiment, the main body case 11 of the cooling device 6 is constituted by a box 11a that is open on one side and a flat lid 11b that closes the opening.

また、第１の接続体３７には、熱交換素子１４の、三角形の第１の端部２１、第３の端部２９を保持する第１の保持部３９を設けた。   The first connection body 37 is provided with a first holding portion 39 for holding the triangular first end portion 21 and the third end portion 29 of the heat exchange element 14.

この第１の保持部３９は熱交換素子１４の、三角形の第１の端部２１、第３の端部２９を両側から保持する形状となっているので、その保持は安定したものとなる。   Since the first holding portion 39 has a shape that holds the first end portion 21 and the third end portion 29 of the heat exchange element 14 from both sides, the holding is stable.

さらに、第２の接続体３８には、熱交換素子１４の、三角形の第２の端部２５、第４の端部３３を保持する第２の保持部４０を設けた。   Further, the second connection body 38 is provided with a second holding portion 40 for holding the triangular second end portion 25 and the fourth end portion 33 of the heat exchange element 14.

この第２の保持部４０は熱交換素子１４の、三角形の第２の端部２５、第４の端部３３を両側から保持する形状となっているので、その保持は安定したものとなる。   Since the second holding portion 40 has a shape that holds the triangular second end portion 25 and the fourth end portion 33 of the heat exchange element 14 from both sides, the holding is stable.

なお、この実施形態では、第１の接続体３７、第２の接続体３８は蓋１１ｂに固定して、それを箱１１ａ内に収めるようにしている。   In this embodiment, the first connecting body 37 and the second connecting body 38 are fixed to the lid 11b so that they are housed in the box 11a.

つまり、蓋１１ｂに第１の接続体３７、第２の接続体３８、第１の送風機１２、第２の送風機１３を固定した状態で、箱１１ａ内に収めるようにしているのである。   That is, the first connecting body 37, the second connecting body 38, the first blower 12, and the second blower 13 are fixed to the lid 11b so as to be housed in the box 11a.

勿論、この実施形態でも、特徴的なのは、第１の接続体３７が、第１の送風機１２の保持以外に、第１の給排気口７、第１の通気口２４の接続、および、前記第１の送風機１２を介して第２の給排気口８に接続される第３の通気口３２との分離を行っていることである。   Of course, this embodiment is also characterized in that the first connecting body 37 is connected to the first air supply / exhaust port 7 and the first vent port 24 in addition to the holding of the first blower 12, and the first That is, separation from the third vent 32 connected to the second air supply / exhaust port 8 through one air blower 12 is performed.

また、第２の接続体３８が、第２の送風機１３の保持以外に、第４の通気口３６、第４の給排気口１０の接続、および、前記第２の送風機１３を介して第３の給排気口９に接続される第２の通気口２８との分離を行っている。   In addition to holding the second blower 13, the second connection body 38 is connected to the fourth vent 36, the fourth air supply / exhaust port 10, and the third blower 13 through the second blower 13. The second ventilation port 28 connected to the air supply / exhaust port 9 is separated.

以上のように本発明は、その熱交換素子を、表面側に、前記第１の給排気口と第３の給排気口を結ぶ略Ｃの字状の第１の通気経路を有する第１の板体と、表面側に、前記第２の給排気口と第４の給排気口を結ぶ略逆Ｃの字状の第２の通気経路を有する第２の板体とを、所定間隔で交互に複数枚積層した構成としたので、この熱交換素子内における第１、第２の通気経路が長くなり、その結果として、第１、第２の通気経路を流れる流体間の熱交換効率の高いものとなる。   As described above, according to the present invention, the heat exchanging element has a first C-shaped first ventilation path connecting the first air supply / exhaust port and the third air supply / exhaust port on the surface side. The plate body and the second plate body having a substantially reverse C-shaped second ventilation path connecting the second air supply / exhaust port and the fourth air supply / exhaust port on the surface side are alternately arranged at predetermined intervals. In this heat exchange element, the first and second ventilation paths become longer, and as a result, the heat exchange efficiency between the fluids flowing through the first and second ventilation paths is high. It will be a thing.

したがって、各種電子機器の冷却装置としての活用が期待される。   Therefore, utilization as a cooling device for various electronic devices is expected.

１ 電子機器
２ 表示素子
３ 駆動回路
４ 吸気口
５ 排気口
６ 冷却装置
７ 第１の給排気口
８ 第２の給排気口
９ 第３の給排気口
１０ 第４の給排気口
１１ 本体ケース
１１ａ 箱
１１ｂ 蓋
１２ 第１の送風機
１３ 第２の送風機
１４ 熱交換素子
１５ 第１の通気経路
１６ 第１の板体
１７ 第２の通気経路
１８ 第２の板体
１９ リブ
２０ リブ
２１ 第１の端部
２２ 第１の斜辺
２３ 第２の斜辺
２４ 第１の通気口
２５ 第２の端部
２６ 第１の斜辺
２７ 第２の斜辺
２８ 第２の通気口
２９ 第３の端部
３０ 第１の斜辺
３１ 第２の斜辺
３２ 第３の通気口
３３ 第４の端部
３４ 第１の斜辺
３５ 第２の斜辺
３６ 第４の通気口
３７ 第１の接続体
３８ 第２の接続体
３９ 第１の保持部
４０ 第２の保持部 DESCRIPTION OF SYMBOLS 1 Electronic device 2 Display element 3 Drive circuit 4 Intake port 5 Exhaust port 6 Cooling device 7 1st air supply / exhaust port 8 2nd air supply / exhaust port 9 3rd air supply / exhaust port 10 4th air supply / exhaust port 11 Main body case 11a Box 11b Lid 12 First blower 13 Second blower 14 Heat exchange element 15 First ventilation path 16 First plate body 17 Second ventilation path 18 Second plate body 19 Rib 20 Rib 21 First end Part 22 First hypotenuse 23 Second hypotenuse 24 First vent 25 Second end 26 First hypotenuse 27 Second hypotenuse 28 Second vent 29 Third end 30 First hypotenuse 31 Second hypotenuse 32 Third vent port 33 Fourth end 34 First hypotenuse 35 Second hypotenuse 36 Fourth vent port 37 First connector 38 Second connector 39 First holding Part 40 second holding part

Claims (6)

一端側に第１の給排気口、第２の給排気口、他端側に第３の給排気口、第４の給排気口を設けた本体ケースと、この本体ケース内の一端側に設けた第１の送風機と、前記本体ケース内の他端側に設けた第２の送風機と、前記本体ケース内の第１の送風機と第２の送風機間に設けた熱交換素子とを備え、
前記熱交換素子は、その表面側に、前記第１の給排気口と第３の給排気口を結ぶ略Ｃの字状の第１の通気経路を有する第１の板体と、その表面側に、前記第２の給排気口と第４の給排気口を結ぶ略逆Ｃの字状の第２の通気経路を有する第２の板体とを、所定間隔で交互に複数枚積層した構成とし、
前記第１の板体の第１の送風機側には、この第１の送風機側に突出する三角形の第１の端部を設け、この第１の端部を形成する、三角形の隣合う第１の斜辺、第２の斜辺のうち、前記第１の斜辺には、前記第１の給排気口に接続される第１の通気口を設け、
この第１の板体の第２の送風機側には、この第２の送風機側に突出する三角形の第２の端部を設け、この第２の端部を形成する、三角形の隣合う第１の斜辺、第２の斜辺のうち、前記第１の斜辺には、前記第２の送風機を介して第３の給排気口に接続される第２の通気口を設け、
前記第２の板体の第１の送風機側には、この第１の送風機側に突出する三角形の第３の端部を設け、この第３の端部を形成する、三角形の隣合う第１の斜辺、第２の斜辺のうち、前記第２の斜辺には、前記第１の送風機を介して第２の給排気口に接続される第３の通気口を設け、
この第２の板体の第２の送風機側には、この第２の送風機側に突出する三角形の第４の端部を設け、この第４の端部を形成する、三角形の隣合う第１の斜辺、第２の斜辺のうち、前記第２の斜辺には、前記第４の給排気口に接続される第４の通気口を設けた冷却装置。 A main body case provided with a first air supply / exhaust port on one end side, a second air supply / exhaust port, a third air supply / exhaust port on the other end side, and a fourth air supply / exhaust port, and provided on one end side in the main body case A first blower, a second blower provided on the other end in the main body case, and a heat exchange element provided between the first blower and the second blower in the main body case,
The heat exchange element has a first plate body having a substantially C-shaped first ventilation path connecting the first air supply / exhaust port and the third air supply / exhaust port on a surface side thereof, and a surface side thereof In addition, a plurality of second plates having a substantially reverse C-shaped second ventilation path connecting the second air supply / exhaust port and the fourth air supply / exhaust port are alternately stacked at predetermined intervals. age,
A first end of a triangle projecting to the first blower side is provided on the first blower side of the first plate body, and the first adjacent triangles forming the first end portion are provided. Of the first hypotenuse and the second hypotenuse, the first hypotenuse is provided with a first vent connected to the first air supply / exhaust port,
The second plate side of the first plate body is provided with a triangular second end portion projecting to the second blower side, forming the second end portion. Of the second hypotenuse and the second hypotenuse, the first hypotenuse is provided with a second vent connected to the third air supply / exhaust through the second blower,
The first plate side of the second plate body is provided with a triangular third end portion projecting to the first blower side, forming the third end portion, the first adjacent triangles. Of the second hypotenuse and the second hypotenuse, the second hypotenuse is provided with a third vent connected to the second air supply / exhaust through the first blower,
On the second blower side of the second plate body, a triangular fourth end portion protruding toward the second blower side is provided, and the first adjacent to each other forming the fourth end portion. Among the second hypotenuse and the second hypotenuse, the second hypotenuse is provided with a fourth ventilation port connected to the fourth air supply / exhaust port. 第２の板体は、第１の板体を、平面方向で１８０度回転させたものである請求項１に記載の冷却装置。 The cooling device according to claim 1, wherein the second plate is obtained by rotating the first plate by 180 degrees in the planar direction. 第１の送風機と、熱交換素子の第３の通気口とを接続する第１の接続体を設け、この第１の接続体には、熱交換素子の第１、第３の端部を保持する第１の保持部を設けた請求項１または２に記載の冷却装置。 A first connection body for connecting the first blower and the third vent of the heat exchange element is provided, and the first connection body holds the first and third ends of the heat exchange element. The cooling device according to claim 1, further comprising: a first holding unit that performs the above operation. 第２の送風機と、熱交換素子の第２の通気口とを接続する第２の接続体を設け、この第２の接続体には、熱交換素子の第２、第４の端部を保持する第２の保持部を設けた請求項２または３に記載の冷却装置。 A second connection body for connecting the second blower and the second vent of the heat exchange element is provided, and the second connection body holds the second and fourth ends of the heat exchange element. The cooling device according to claim 2, further comprising a second holding portion. 請求項１から４のいずれか一つに記載の冷却装置を搭載し、この冷却装置により、発熱体の冷却を行なう電子機器。 5. An electronic device in which the cooling device according to claim 1 is mounted and the heating element is cooled by the cooling device. 発熱体は、表示素子と、この表示素子を駆動する駆動回路により構成された請求項５に記載の電子機器。 The electronic device according to claim 5, wherein the heating element includes a display element and a drive circuit that drives the display element.
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