JPH09145097A - Air conditioning equipment - Google Patents
Air conditioning equipmentInfo
- Publication number
- JPH09145097A JPH09145097A JP7329844A JP32984495A JPH09145097A JP H09145097 A JPH09145097 A JP H09145097A JP 7329844 A JP7329844 A JP 7329844A JP 32984495 A JP32984495 A JP 32984495A JP H09145097 A JPH09145097 A JP H09145097A
- Authority
- JP
- Japan
- Prior art keywords
- heat exchanger
- fan
- casing
- fins
- ventilation resistance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/0233—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with air flow channels
- F28D1/024—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with air flow channels with an air driving element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
- F28F1/32—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means having portions engaging further tubular elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2215/00—Fins
- F28F2215/04—Assemblies of fins having different features, e.g. with different fin densities
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Other Air-Conditioning Systems (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、ケーシングと、フ
ィンを有する熱交換器と、熱交換器に通風するためのフ
ァンを備える空気調和機に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner having a casing, a heat exchanger having fins, and a fan for ventilating the heat exchanger.
【０００２】[0002]
【従来の技術】空気調和機は、室外ユニットと室内ユニ
ットを備え、室外ユニットはケーシングと、ケーシング
内に配置されてフィンを有する熱交換器とを備える。2. Description of the Related Art An air conditioner includes an outdoor unit and an indoor unit, and the outdoor unit includes a casing and a heat exchanger that has fins and that is disposed inside the casing.
【０００３】図５は従来の室外ユニットの内部構造を示
す平面図である。室外ユニットのケーシング１内には、
熱交換器２と、熱交換器２に通風するためのファン３等
が設けられる。そして、このファン３を回すことでケー
シング１の後部からケーシング１内に入った空気が、熱
交換器２を通ってケーシング１の前部から外に出ること
により、外気との熱交換が行なわれるようになってい
る。FIG. 5 is a plan view showing the internal structure of a conventional outdoor unit. In the casing 1 of the outdoor unit,
A heat exchanger 2 and a fan 3 for ventilating the heat exchanger 2 are provided. Then, by rotating the fan 3, the air that has entered the casing 1 from the rear portion of the casing 1 passes through the heat exchanger 2 and exits from the front portion of the casing 1 to perform heat exchange with the outside air. It is like this.
【０００４】[0004]
【発明が解決しようとする課題】ところで、一般の熱交
換器２は、平面型ではなく例えばほぼＬ字型であり、し
かもフィンの配列ピッチは熱交換器３のどの部分でも同
一である。By the way, the general heat exchanger 2 is not a plane type but a substantially L-shaped type, for example, and the fin arrangement pitch is the same in all parts of the heat exchanger 3.
【０００５】しかも、ケーシング１の形状とこの熱交換
器２のフィンの均等な配列ピッチに起因して、ファン３
を回転して熱交換器２に通風を行うと、図６のように通
風抵抗が熱交換器２の各部分で異なり、通風速度Ｗ１が
通風速度Ｗ２よりも小さいので、熱交換器２における熱
交換効率が低下するという問題がある。Moreover, due to the shape of the casing 1 and the uniform arrangement pitch of the fins of the heat exchanger 2, the fan 3
When the fan is rotated to ventilate the heat exchanger 2, the ventilation resistance is different in each part of the heat exchanger 2 as shown in FIG. 6, and the ventilation speed W1 is smaller than the ventilation speed W2. There is a problem that the exchange efficiency decreases.
【０００６】図７は、上記従来の室外ユニットにおける
通風速度Ｖの分布例を示す。方向Ｘは図５のケーシング
１の横方向であり、方向Ｙはケーシング１の高さ方向で
ある。ケーシング１の形状とこの熱交換器２のフィンの
均等な配列ピッチとに起因して、ファンにより引き込ま
れる空気が熱交換器２のフィンをうまく通れずに、熱交
換器２の部分によっては通風抵抗が大きく低下してしま
う。FIG. 7 shows an example of the distribution of the ventilation speed V in the conventional outdoor unit. The direction X is the lateral direction of the casing 1 in FIG. 5, and the direction Y is the height direction of the casing 1. Due to the shape of the casing 1 and the uniform arrangement pitch of the fins of the heat exchanger 2, the air drawn by the fan does not pass through the fins of the heat exchanger 2 well, and some parts of the heat exchanger 2 are ventilated. The resistance drops significantly.
【０００７】本発明は上記課題を解消し、熱交換器にお
ける通風抵抗を下げて熱交換効率を向上することができ
る空気調和機を提供することを目的としている。An object of the present invention is to solve the above problems and to provide an air conditioner capable of reducing ventilation resistance in a heat exchanger and improving heat exchange efficiency.
【０００８】[0008]
【課題を解決するための手段】請求項１の発明は、ケー
シングと、ケーシング内に配置されてフィンを有する熱
交換器と、熱交換器に通風するためのファンとを備える
空気調和機であり、熱交換器のフィンの配列ピッチが、
ファンの回転により生じる通風抵抗の大きい領域では、
通風抵抗の小さい領域に比較して広く設定されるもので
ある。The invention according to claim 1 is an air conditioner comprising a casing, a heat exchanger having fins arranged in the casing, and a fan for ventilating the heat exchanger. , The heat exchanger fin array pitch is
In the area where the ventilation resistance generated by the rotation of the fan is large,
It is widely set as compared with the area where the ventilation resistance is small.
【０００９】請求項２の発明は、空気導入部と空気排出
部を有するケーシングと、ケーシング内に配置されてフ
ィンを有する熱交換器と、熱交換器に通風するためのフ
ァンとを備え、熱交換器のフィンの配列ピッチが、ファ
ンの位置とケーシングの形状に関連してファンの回転に
より生じる通風抵抗の大きい領域では、通風抵抗の小さ
い領域に比較して広く設定されているものである。The invention of claim 2 is provided with a casing having an air introducing portion and an air discharging portion, a heat exchanger arranged in the casing and having fins, and a fan for ventilating the heat exchanger. The arrangement pitch of the fins of the exchanger is set to be wider in a region where the ventilation resistance generated by the rotation of the fan is large in relation to the position of the fan and the shape of the casing, compared to a region where the ventilation resistance is small.
【００１０】本発明では、熱交換器のフィンの配列ピッ
チが、ファンの回転により生じる通風抵抗の大きい領域
では、通風抵抗の小さい領域に比較して広く設定される
ので、熱交換器の全領域における通風抵抗を同じにして
通風時の風速の低下を防ぐことができ、熱交換の効率の
向上が図れる。In the present invention, the arrangement pitch of the fins of the heat exchanger is set wider in the region where the ventilation resistance generated by the rotation of the fan is larger than in the region where the ventilation resistance is small, so that the entire area of the heat exchanger is set. The ventilation resistance can be made the same to prevent a decrease in the wind speed during ventilation, and the efficiency of heat exchange can be improved.
【００１１】[0011]
【発明の実施の形態】以下、本発明の実施の形態を添付
図面に基づいて説明する。図１は、空気調和機の室外ユ
ニット１０を示し、図２はこの室外ユニット１０の内部
構造を示している。室外ユニット１０は、図３の空気調
和機の冷媒回路に設けられる。図３の冷媒回路において
１１は圧縮機、１２は四方弁を示し、この四方弁１２は
冷房運転時には実線状態に、暖房運転時には破線状態に
夫々切り換えられる。圧縮機１１から吐出された冷媒
は、冷房運転時において実線矢印で示すように循環さ
れ、暖房運転時には破線状態で示すように循環される。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 shows an outdoor unit 10 of an air conditioner, and FIG. 2 shows an internal structure of the outdoor unit 10. The outdoor unit 10 is provided in the refrigerant circuit of the air conditioner of FIG. In the refrigerant circuit of FIG. 3, 11 is a compressor and 12 is a four-way valve. The four-way valve 12 is switched to the solid line state during the cooling operation and to the broken line state during the heating operation. The refrigerant discharged from the compressor 11 is circulated as indicated by a solid arrow during the cooling operation and is circulated as indicated by a broken line during the heating operation.
【００１２】１３は室外熱交換器、１４Ａは室外膨張
弁、１６はファンであり、室外ユニット１０内に設けら
れている。室外膨張弁１４Ａはモータ１４Ｃで開閉動作
し、ファン１６はモータ１７で回転して外気を取り込ん
で、室外熱交換器１３に通風する。この室外熱交換器１
３は、冷房運転時に凝縮器として作用し、暖房運転時に
は蒸発器として作用する。一方、１５は室内熱交換器、
１４Ｂは室内膨張弁、１６はファンであり、室内ユニッ
ト２０内に設けられている。室内膨張弁１４Ｂはモータ
１４Ｄで開閉動作し、ファン１６はモータ１８で回転し
て外気を取り込んで、室内熱交換器１５に通風する。室
内熱交換器１５は、冷房運転時に蒸発器として作用し、
暖房運転時には凝縮器として作用する。この冷媒回路に
は共沸混合冷媒、例えばＲ４１０Ａや非共沸混合冷媒、
例えばＲ４０７Ｃなどが封入されている。Reference numeral 13 is an outdoor heat exchanger, 14A is an outdoor expansion valve, and 16 is a fan, which are provided in the outdoor unit 10. The outdoor expansion valve 14A is opened and closed by the motor 14C, and the fan 16 is rotated by the motor 17 to take in outside air and ventilate to the outdoor heat exchanger 13. This outdoor heat exchanger 1
3 acts as a condenser during the cooling operation, and acts as an evaporator during the heating operation. On the other hand, 15 is an indoor heat exchanger,
The indoor expansion valve 14B and the fan 16 are provided in the indoor unit 20. The indoor expansion valve 14B is opened and closed by the motor 14D, and the fan 16 is rotated by the motor 18 to take in outside air and ventilate the indoor heat exchanger 15. The indoor heat exchanger 15 acts as an evaporator during cooling operation,
It acts as a condenser during heating operation. In this refrigerant circuit, an azeotropic mixed refrigerant, such as R410A or a non-azeotropic mixed refrigerant,
For example, R407C or the like is enclosed.
【００１３】次に、室外ユニット１０の構造について説
明する。図１及び図２の室外ユニット１０は、室外に置
かれるケーシング３０、上述したファン１６とその駆動
用のモータ１７、室外熱交換器１３等を備えている。ケ
ーシング３０は、樹脂製、或いは金属製の直方体のケー
スであって、ファン１６とその駆動用のモータ１７、室
外熱交換器１３等を内蔵している。このケーシング３０
は、前部側にファンガード３８を備え、後部側に外気取
入口４０を備えている。ファン１６とモータ１７とは、
ファンガード３８に対応して配置されており、ファン１
６はモータ１７を駆動することにより、外部の空気を矢
印Ｒ方向に沿って取り入れて、室外熱交換器１３、ファ
ン１６、そしてファンガード３８の順序で流して、室外
熱交換器１３で熱交換させるようになっている。Next, the structure of the outdoor unit 10 will be described. The outdoor unit 10 of FIGS. 1 and 2 includes a casing 30 placed outdoors, the fan 16 described above, a motor 17 for driving the fan 16, an outdoor heat exchanger 13, and the like. The casing 30 is a rectangular parallelepiped case made of resin or metal, and contains the fan 16, a motor 17 for driving the fan 16, an outdoor heat exchanger 13, and the like. This casing 30
Has a fan guard 38 on the front side and an outside air intake 40 on the rear side. The fan 16 and the motor 17 are
It is arranged corresponding to the fan guard 38, and the fan 1
Numeral 6 drives the motor 17 to take in outside air along the direction of the arrow R, flow it in the order of the outdoor heat exchanger 13, the fan 16 and the fan guard 38, and exchange heat in the outdoor heat exchanger 13. It is designed to let you.
【００１４】室外熱交換器１３は、図２の平面図で見て
略Ｌ字型を成しており、領域部分４０と領域部分４２を
有している。領域部分４２における熱交換用の多数の隣
接するフィン５２の配列ピッチＰＬは、領域部分４０に
おける熱交換用の多数の隣接するフィン５０の配列ピッ
チＰＳに比べて大きく設定される。例えば、フィン５２
の配列ピッチＰＬは、フィン５０の配列ピッチＰＳの約
２倍程度に設定される。The outdoor heat exchanger 13 is substantially L-shaped when viewed in plan view in FIG. 2, and has a region portion 40 and a region portion 42. The arrangement pitch PL of the many adjacent fins 52 for heat exchange in the area portion 42 is set to be larger than the arrangement pitch PS of the many adjacent fins 50 for heat exchange in the area portion 40. For example, the fin 52
The array pitch PL of is set to about twice the array pitch PS of the fins 50.
【００１５】このようにするのは、ファン１６の位置と
ケーシング３０の形状に関連し、ファンの回転により生
じる通風抵抗の大きい領域では、通風抵抗の小さい領域
に比較してフィンのピッチが広く設定されることで、図
４のように、室外熱交換器１３における外気の通風抵抗
の大きい領域部分４２における通風抵抗を、外気の通風
抵抗の大きい領域部分４０に比べて小さくするためであ
る。This is related to the position of the fan 16 and the shape of the casing 30, and the fin pitch is set wider in the region where the ventilation resistance generated by the rotation of the fan is larger than in the region where the ventilation resistance is small. By doing so, as shown in FIG. 4, the ventilation resistance in the area portion 42 of the outdoor heat exchanger 13 where the ventilation resistance of the outside air is large is made smaller than that of the area portion 40 where the ventilation resistance of the outside air is large.
【００１６】つまり、領域部分４２における風速を上げ
て、室外熱交換器１３の全領域部分での風速を均一にし
て風速改善を行って、その結果、室外熱交換器１３にお
ける熱交換効率を向上することができる。なお、図２の
室外熱交換器１３は、冷媒吸入管１３ａと冷媒吐出管１
３ｂに接続されている。That is, the wind speed in the area portion 42 is increased to make the wind speed uniform in all area portions of the outdoor heat exchanger 13 to improve the wind speed, and as a result, the heat exchange efficiency in the outdoor heat exchanger 13 is improved. can do. The outdoor heat exchanger 13 shown in FIG. 2 includes the refrigerant suction pipe 13a and the refrigerant discharge pipe 1
3b.
【００１７】次に、本実施の形態の作用を説明する。図
３の冷媒回路においては、圧縮機１１から吐出された冷
媒は、冷房運転時において実線矢印で示すように、圧縮
機１１、四方弁１２、室外熱交換器１３、室外膨張弁１
４Ａ、室内膨張弁１４Ｂ、室内熱交換器１５、アキュム
レータ１６の順序で循環される。また、暖房運転時に
は、破線矢印で示すように、圧縮機１１、四方弁１２、
室内熱交換器１５、室内膨張弁１４Ｂ、室外膨張弁１４
Ａ、室外熱交換器１３、アキュムレータ１６の順序で循
環される。Next, the operation of the present embodiment will be described. In the refrigerant circuit of FIG. 3, the refrigerant discharged from the compressor 11 is compressed by the compressor 11, the four-way valve 12, the outdoor heat exchanger 13, the outdoor expansion valve 1 as shown by the solid line arrow during the cooling operation.
4A, the indoor expansion valve 14B, the indoor heat exchanger 15, and the accumulator 16 are circulated in this order. Further, during the heating operation, the compressor 11, the four-way valve 12,
Indoor heat exchanger 15, indoor expansion valve 14B, outdoor expansion valve 14
A, the outdoor heat exchanger 13, and the accumulator 16 are circulated in this order.
【００１８】室外熱交換器１３は冷房運転時に凝縮器と
し作用し、暖房運転時には蒸発器として作用する。ま
た、室内熱交換器１４は暖房運転時に凝縮器とし作用
し、冷房運転時には蒸発器として作用する。The outdoor heat exchanger 13 acts as a condenser during cooling operation and as an evaporator during heating operation. Further, the indoor heat exchanger 14 acts as a condenser during heating operation, and acts as an evaporator during cooling operation.
【００１９】図２の室外ユニット１０において、図３の
制御手段１００がモータ１７を駆動してファン１６を回
転すると、外気が矢印Ｒ方向にそって室外熱交換器１３
の領域部分４０のフィン５０と領域部分４２のフィン５
２を通過する。In the outdoor unit 10 shown in FIG. 2, when the control means 100 shown in FIG. 3 drives the motor 17 to rotate the fan 16, the outside air moves in the direction of arrow R to the outdoor heat exchanger 13.
Fins 50 of the region portion 40 and fins 5 of the region portion 42 of
Pass 2
【００２０】室外熱交換器１３における外気の通風抵抗
の大きい領域部分４２における通風抵抗を、外気の通風
抵抗の小さい領域部分４０と同じようにするために、領
域部分４２における熱交換用の隣接するフィン５２の配
列ピッチＰＬは、領域部分４０における熱交換用の隣接
するフィン５０の配列ピッチＰＳに比べて大きく設定さ
れている。このため、図４のように室外熱交換器１３の
領域部分４０，４２における通風の風速Ｗｔが略均一に
なる。この実施の形態によれば、室外熱交換器１３にお
ける外気との熱交換効率を向上させることができる。In order to make the ventilation resistance in the area portion 42 having a large ventilation resistance of the outside air in the outdoor heat exchanger 13 the same as that of the area portion 40 having a small ventilation resistance of the outside air, the adjacent portions for heat exchange in the areas portion 42 are provided. The arrangement pitch PL of the fins 52 is set to be larger than the arrangement pitch PS of the adjacent fins 50 for heat exchange in the region portion 40. Therefore, as shown in FIG. 4, the air velocity Wt of the ventilation in the area portions 40 and 42 of the outdoor heat exchanger 13 becomes substantially uniform. According to this embodiment, the efficiency of heat exchange with the outside air in the outdoor heat exchanger 13 can be improved.
【００２１】以上、一実施の形態に基づいて本発明を説
明したが、本発明は、これに限定されるものでないこと
は明らかである。例えば、上記実施の形態では、熱交換
器として室外ユニットの熱交換器を例示しているが、こ
れに限らず、本発明は室内ユニットの熱交換器に適用す
ることも可能である。また、図示の実施の形態の熱交換
器は、平面的に見て略Ｌ字型であるが、これに限らず、
略Ｕ字型や略Ｊ字型等の他の形状の場合であっても本発
明は適用できる。Although the present invention has been described based on the embodiment, it is obvious that the present invention is not limited to this. For example, in the above embodiment, the heat exchanger of the outdoor unit is illustrated as the heat exchanger, but the present invention is not limited to this, and the present invention can be applied to the heat exchanger of the indoor unit. Further, the heat exchanger according to the illustrated embodiment has a substantially L shape when seen in a plan view, but is not limited to this,
The present invention can be applied to other shapes such as a substantially U-shape and a substantially J-shape.
【００２２】[0022]
【発明の効果】以上説明したように、本発明では、熱交
換器のフィンの配列ピッチが、ファンの回転により生じ
る通風抵抗の大きい領域では、通風抵抗の小さい領域に
比較して広く設定されているので、熱交換器の全領域に
おける通風抵抗を同じにして通風の風速の低下を防ぐこ
とができ、熱交換の効率の向上が図れる。As described above, in the present invention, the arrangement pitch of the fins of the heat exchanger is set to be wider in the region where the ventilation resistance generated by the rotation of the fan is large compared to the region where the ventilation resistance is small. Since the ventilation resistance is the same in all areas of the heat exchanger, it is possible to prevent a reduction in the air velocity of ventilation and improve the efficiency of heat exchange.
【図１】本発明の空気調和機の室外ユニットの正面図で
ある。FIG. 1 is a front view of an outdoor unit of an air conditioner of the present invention.
【図２】室外ユニットの内部構造例を示す平面図であ
る。FIG. 2 is a plan view showing an example of the internal structure of an outdoor unit.
【図３】図１の空気調和機の冷媒回路を示す図である。3 is a diagram showing a refrigerant circuit of the air conditioner of FIG.
【図４】図２の室外ユニットの通風状態を示す図であ
る。FIG. 4 is a diagram showing a ventilation state of the outdoor unit of FIG.
【図５】従来の室外ユニットの内部構造例を示す平面図
である。FIG. 5 is a plan view showing an example of the internal structure of a conventional outdoor unit.
【図６】従来の室外ユニットの通風状態を示す図であ
る。FIG. 6 is a view showing a ventilation state of a conventional outdoor unit.
【図７】従来の室外ユニットの通風状態を示す鳥瞰図で
ある。FIG. 7 is a bird's-eye view showing a ventilation state of a conventional outdoor unit.
１３ 室外熱交換器（熱交換器） １５ 室内熱交換器（熱交換器） ３０ ケーシング ４０ 領域部分（通風の抵抗の小さい領域） ４２ 領域部分（通風の抵抗の大きい領域） ５０，５２ フィン ＰＳ 領域部分４０のフィンの配列ピッチ ＰＬ 領域部分４２のフィンの配列ピッチ 13 Outdoor Heat Exchanger (Heat Exchanger) 15 Indoor Heat Exchanger (Heat Exchanger) 30 Casing 40 Area Part (Area with Small Ventilation Resistance) 42 Area Part (Area with Large Ventilation Resistance) 50, 52 Fin PS Area Arrangement pitch of fins of the portion 40 PL arrangement pitch of fins of the PL region portion 42
Claims (2)
されてフィンを有する熱交換器と、熱交換器に通風する
ためのファンとを備える空気調和機において、前記熱交
換器のフィンの配列ピッチが、ファンの回転により生じ
る通風抵抗の大きい領域では、通風抵抗の小さい領域に
比較して広く設定されていることを特徴とする空気調和
機。1. An air conditioner comprising a casing, a heat exchanger arranged in the casing and having fins, and a fan for ventilating the heat exchanger, wherein an arrangement pitch of fins of the heat exchanger is The air conditioner is characterized in that it is set wider in a region where the ventilation resistance generated by the rotation of the fan is large compared to a region where the ventilation resistance is small.
ングと、ケーシング内に配置されてフィンを有する熱交
換器と、熱交換器に通風するためのファンとを備え、熱
交換器のフィンの配列ピッチが、ファンの位置とケーシ
ングの形状に関連してファンの回転により生じる通風抵
抗の大きい領域では、通風抵抗の小さい領域に比較して
広く設定されていることを特徴とする熱交換器。2. A fin of a heat exchanger, comprising: a casing having an air introducing portion and an air discharging portion; a heat exchanger having fins arranged in the casing; and a fan for ventilating the heat exchanger. A heat exchanger characterized in that an array pitch is set to be wider in a region having a large ventilation resistance caused by rotation of the fan in relation to a position of the fan and a shape of the casing, as compared with a region having a small ventilation resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7329844A JPH09145097A (en) | 1995-11-24 | 1995-11-24 | Air conditioning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7329844A JPH09145097A (en) | 1995-11-24 | 1995-11-24 | Air conditioning equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09145097A true JPH09145097A (en) | 1997-06-06 |
Family
ID=18225872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7329844A Pending JPH09145097A (en) | 1995-11-24 | 1995-11-24 | Air conditioning equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09145097A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11108399A (en) * | 1997-10-02 | 1999-04-23 | Daikin Ind Ltd | Air conditioner |
| JP2014029221A (en) * | 2012-07-31 | 2014-02-13 | Hitachi Appliances Inc | Air conditioner |
| WO2014024221A1 (en) * | 2012-08-08 | 2014-02-13 | 三菱電機株式会社 | Heat exchanger and air conditioner provided with said heat exchanger |
| JP2016048162A (en) * | 2015-12-14 | 2016-04-07 | 三菱電機株式会社 | Manufacturing method for heat exchanger and manufacturing method for air conditioner |
-
1995
- 1995-11-24 JP JP7329844A patent/JPH09145097A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11108399A (en) * | 1997-10-02 | 1999-04-23 | Daikin Ind Ltd | Air conditioner |
| JP2014029221A (en) * | 2012-07-31 | 2014-02-13 | Hitachi Appliances Inc | Air conditioner |
| WO2014024221A1 (en) * | 2012-08-08 | 2014-02-13 | 三菱電機株式会社 | Heat exchanger and air conditioner provided with said heat exchanger |
| JPWO2014024221A1 (en) * | 2012-08-08 | 2016-07-21 | 三菱電機株式会社 | Air conditioner |
| JP2016048162A (en) * | 2015-12-14 | 2016-04-07 | 三菱電機株式会社 | Manufacturing method for heat exchanger and manufacturing method for air conditioner |
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