JP2012052795A - Heat source unit - Google Patents

Heat source unit Download PDF

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JP2012052795A
JP2012052795A JP2011238853A JP2011238853A JP2012052795A JP 2012052795 A JP2012052795 A JP 2012052795A JP 2011238853 A JP2011238853 A JP 2011238853A JP 2011238853 A JP2011238853 A JP 2011238853A JP 2012052795 A JP2012052795 A JP 2012052795A
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heat exchanger
heat
suction port
heat exchange
unit
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JP5338883B2 (en
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Takahiro Yamaguchi
貴弘 山口
Noriyuki Okuda
則之 奥田
Tomohiro Suzuki
智博 鈴木
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Daikin Industries Ltd
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Daikin Industries Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a compact heat source unit that attains high heat exchange efficiency without being affected by the deflected flow of the amount of suction air.SOLUTION: In the heat source unit constituted so as to arrange a heat exchange unit X and a fan 3 in a casing 10, the heat exchange unit X is constituted so that a substantially hook-shaped first heat exchanger 1 and a substantially hook-shaped second heat exchanger 2, which are formed by arranging heat transfer pipes adjacent to each other in one or two lines in the ventilation direction, are arranged in a position where one straight part 1a of the first heat exchanger 1 and one straight part 2a of the second heat exchanger 2 face a front surface suction portion 11A, the other straight part 1b of the first heat exchanger 1 to face a first side surface suction port 11B and the other straight part 2b of the second heat exchanger 2 to face a second side surface suction port 11C are arranged, and a plurality of the heat exchangers 1, 2 show substantially U-shaped as a whole and are arranged inside the heat exchange unit X so that the axis line of a fan 3 is perpendicular to the front surface suction port 11A and an air blow-out port 12.

Description

本願発明は、ケーシング内に熱交換器とファン及び圧縮機等の機器を収納して構成され、主として空気調和機の室外機として用いられる熱源ユニットに関するものである。   The present invention relates to a heat source unit that is configured by housing equipment such as a heat exchanger, a fan, and a compressor in a casing, and mainly used as an outdoor unit of an air conditioner.

この種の熱源ユニットにおいては、ケーシングの前面及び左右両側面にそれぞれ空気吸込口を設けて可及的に広い領域から空気を吸込むようにするとともに、この空気吸込口の配置構成に対応するように熱交換器の形状を設定すると、各空気吸込口の形成位置との関係から該各空気吸込口相互間において吸込風量が異なることから、上記熱交換器においては吸込風量の偏流が生じ、その結果、熱交換効率を悪化させることになる。   In this type of heat source unit, air inlets are provided on the front surface and both left and right side surfaces of the casing so that air is sucked from as wide an area as possible, and heat is generated so as to correspond to the arrangement of the air inlet ports. When the shape of the exchanger is set, the intake air amount varies between the air intake ports due to the relationship with the formation position of each air intake port, and therefore, a drift of the intake air amount occurs in the heat exchanger. Heat exchange efficiency will be deteriorated.

このような問題に対処するものとして、伝熱管を一列に配置した一列構成の熱交換器において、その各部位におけるフィンピッチを吸込風量に対応させて変化させたもの(特許文献1参照)や、熱交換器自体を、ファンの吸込み側に対向し吸込風量の多い前面側空気吸込口に対応する熱交換器を二列構成とする一方、ファンの吸込み方向から左右に外れて設けられた吸込風量の少ない側面側空気吸込口に対応する熱交換器を一列構成としたもの(特許文献2参照)、さらに、U字形の熱交換器を備えたものにおいて、圧縮機をケーシングの前面側へ突出させることにより側面空気吸込口からの通路空間を拡大させて吸込風量の増加を図るもの(特許文献3参照)等が提案されている。   In order to cope with such a problem, in the heat exchanger having a single-row configuration in which the heat transfer tubes are arranged in a single row, the fin pitch in each part is changed corresponding to the suction air volume (see Patent Document 1), While the heat exchanger itself has two rows of heat exchangers facing the fan suction side and corresponding to the front air intake port with a large amount of suction air, the suction air volume is provided to deviate from the left and right of the fan suction direction. The heat exchanger corresponding to the side air inlet with a small number of side walls is configured in a single row (see Patent Document 2), and further provided with a U-shaped heat exchanger, and the compressor is projected to the front side of the casing Thus, there has been proposed one that enlarges the passage space from the side air suction port to increase the suction air volume (see Patent Document 3).

一方、ケーシング内に熱交換器、圧縮機、アキュムレータ等の機器を配置する場合、これら各機器を配管によって接続する必要があるが、この場合、例えば、特許文献4に示されるように、上記各機器とケーシングの壁面との間に配管空間を確保し、該配管空間を通して配管を配置するのが通例である。   On the other hand, when arranging devices such as a heat exchanger, a compressor, and an accumulator in the casing, it is necessary to connect these devices by piping. In this case, for example, as shown in Patent Document 4, It is customary to secure a piping space between the device and the wall surface of the casing and arrange the piping through the piping space.

特開平7−198167号公報JP 7-198167 A 特開平8−270985号公報JP-A-8-270985 特開2003−130393号公報JP 2003-130393 A 特開2003−106568号公報JP 2003-106568 A

ところが、特許文献1に示されるように、一列構成の熱交換器においてフィンピッチを変える構成では、フィンピッチを密にするほど圧損が増加することから、フィンピッチの変更による熱交換効率の向上には限界がある。また、係る構成では熱交換器の構造が複雑になり、生産効率の低下によってコストアップを招来することになる。   However, as shown in Patent Document 1, in the configuration in which the fin pitch is changed in the heat exchanger of the single row configuration, the pressure loss increases as the fin pitch becomes denser. Therefore, the heat exchange efficiency is improved by changing the fin pitch. There are limits. Further, in such a configuration, the structure of the heat exchanger is complicated, and the cost is increased due to a decrease in production efficiency.

特許文献2に示されるように、前面側の熱交換器を二列構成とし、側面側の熱交換器を一列構成とする構造は、単一の熱交換器を前面空気吸込口と両側面空気吸込口のそれぞれに対応させるべくその形体をU字状に設定したU形熱交換器には適用することができない。   As shown in Patent Document 2, the structure in which the front-side heat exchanger is configured in two rows and the side-side heat exchanger is configured in one row has a single heat exchanger as a front air inlet and air on both sides. It cannot be applied to a U-shaped heat exchanger whose shape is set in a U shape so as to correspond to each of the suction ports.

特許文献3に示されるように、ケーシングにおける圧縮機の設置位置を変更することで吸込空気の通路空間を拡大する方法では、該ケーシングの形状が大形化し、また形状が異形であることから設置性が悪い等の問題がある。   As shown in Patent Document 3, in the method of expanding the intake air passage space by changing the installation position of the compressor in the casing, the casing is enlarged and the shape is irregular. There are problems such as poor sex.

一方、熱交換器等の機器とその外側に位置するケーシングの壁面の間に配管空間を設け、該配管空間を通して配管を配置する構成とした場合には、該配管空間の形成分だけ熱源ユニットの幅寸法が拡大され、コンパクト化という要請に反することになる。   On the other hand, when a pipe space is provided between a device such as a heat exchanger and the wall surface of the casing located outside the pipe, and the pipe is arranged through the pipe space, the heat source unit is formed by the amount of the pipe space. The width dimension is enlarged, which is against the demand for compactness.

そこで本願発明は、吸込風量の偏流の影響を受けることなく高い熱交換効率を達成するとともに、コンパクト化の要請にも応え得る熱源ユニットを提供することを目的としてなされたものである。   Accordingly, the present invention has been made for the purpose of providing a heat source unit that can achieve high heat exchange efficiency without being affected by the drift of the suction air volume, and that can meet the demand for compactness.

本願発明では、かかる課題を解決するための具体的手段として次のような構成を採用している。   In the present invention, the following configuration is adopted as a specific means for solving such a problem.

本願の第1の発明に係る熱源ユニットでは、前面1aに前面吸込口11Aを、一方の側面1bに第1側面吸込口11Bを、他方の側面1cに第2側面吸込口11Cを、背面1dに空気吹出口12が設けられているケーシング10内に熱交換ユニットXとファン3を配置して構成される熱源ユニットにおいて、上記熱交換ユニットXを、伝熱管を通風方向に前後して1列又は2列に配置した平面視略鉤形の第1熱交換器1と伝熱管を1列又は2列に配置した平面視略鉤形の第2熱交換器2とを、該第1熱交換器1の一方の直部1aと第2熱交換器2の一方の直部2aとを上記前面吸込口11Aと対向する位置において通風方向に前後させて配置し且つ上記第1側面吸込口11Bと対向する上記第1熱交換器1の他方の直部1bと上記第2側面吸込口11Cと対向する上記第2熱交換器2の他方の直部2bとを熱交換器ユニット幅方向に対向するように配置して上記複数の熱交換器1、2が全体として平面視略U字形を呈するように構成するとともに、該熱交換ユニットXの内側に、上記ファン3がその軸線を上記前面吸込口11Aおよび上記空気吹出口12に対して直交させるように配置されていることを特徴としている。   In the heat source unit according to the first invention of the present application, the front suction port 11A is provided on the front surface 1a, the first side suction port 11B is provided on one side surface 1b, the second side suction port 11C is provided on the other side surface 1c, and the rear surface 1d. In the heat source unit configured by disposing the heat exchange unit X and the fan 3 in the casing 10 provided with the air outlet 12, the heat exchange unit X is arranged in a row before or after the heat transfer pipe in the airflow direction. A first heat exchanger 1 having a substantially bowl shape in plan view arranged in two rows and a second heat exchanger 2 having a substantially bowl shape in plan view having heat transfer tubes arranged in one row or two rows, the first heat exchanger. One straight portion 1a of the first heat exchanger 2 and one straight portion 2a of the second heat exchanger 2 are disposed so as to be front and rear in the ventilation direction at a position facing the front suction port 11A and opposed to the first side suction port 11B. The other straight portion 1b of the first heat exchanger 1 and the second side suction The other straight portion 2b of the second heat exchanger 2 facing the port 11C is disposed so as to face the heat exchanger unit width direction, and the plurality of heat exchangers 1 and 2 as a whole are substantially U in plan view. The fan 3 is arranged inside the heat exchange unit X so that its axis is orthogonal to the front suction port 11A and the air outlet 12 inside the heat exchange unit X. It is said.

本願の第2の発明に係る熱源ユニットでは、前面1aに前面吸込口11Aを、一方の側面1bに第1側面吸込口11Bを、他方の側面1cに第2側面吸込口11Cを、背面1dに空気吹出口12が設けられているケーシング10内に熱交換ユニットXとファン3を配置して構成される熱源ユニットにおいて、上記熱交換ユニットXを、伝熱管を通風方向に前後して1列又は2列に配置した平面視略鉤形の第1熱交換器1と伝熱管を1列又は2列に配置した平面視略U字形の第2熱交換器2とを、上記第1熱交換器1の一方の直部1aと上記第2熱交換器2の中央部2aとを上記前面吸込口11Aと対向する位置において通風方向に前後させて配置し且つ上記第1熱交換器1の他方の直部1bと上記第2熱交換器2の一方の側部2bとを上記第1側面吸込口11Bと対向する位置において通風方向に前後するように配置して上記複数の熱交換器1、2が全体として平面視略U字形を呈するように構成するとともに、該熱交換ユニットXの内側に、上記ファン3がその軸線を上記前面吸込口11Aおよび上記空気吹出口12に対して直交させるように配置されていることを特徴としている。   In the heat source unit according to the second invention of the present application, the front suction port 11A is formed on the front surface 1a, the first side suction port 11B is formed on one side surface 1b, the second side surface suction port 11C is formed on the other side surface 1c, and the rear surface 1d. In the heat source unit configured by disposing the heat exchange unit X and the fan 3 in the casing 10 provided with the air outlet 12, the heat exchange unit X is arranged in a row before or after the heat transfer pipe in the airflow direction. A first heat exchanger 1 having a substantially bowl shape in plan view arranged in two rows and a second heat exchanger 2 having a substantially U shape in plan view in which heat transfer tubes are arranged in one or two rows are arranged in the first heat exchanger. One straight portion 1a of the first heat exchanger 2 and the central portion 2a of the second heat exchanger 2 are disposed so as to be back and forth in the ventilation direction at a position facing the front suction port 11A and the other of the first heat exchanger 1 is disposed. The straight part 1b and one side part 2b of the second heat exchanger 2 are connected to the first part. The heat exchangers 1 and 2 are arranged so as to move back and forth in the ventilation direction at a position facing the side suction port 11B so that the plurality of heat exchangers 1 and 2 have a substantially U shape in plan view as a whole. Inside, the fan 3 is arranged so that its axis is orthogonal to the front suction port 11A and the air outlet 12.

本願の第3の発明に係る熱源ユニットでは、前面1aに前面吸込口11Aを、一方の側面1bに第1側面吸込口11Bを、他方の側面1cに第2側面吸込口11Cを、背面1dに空気吹出口12が設けられているケーシング10内に熱交換ユニットXとファン3を配置して構成される熱源ユニットにおいて、上記熱交換ユニットXを、伝熱管を通風方向に前後して1列又は2列に配置した平面視略U字形の第1熱交換器1と伝熱管を1列又は2列に配置した平面視略直状の第2熱交換器2とを、上記第1熱交換器1の中央部1aと上記第2熱交換器2とが上記前面吸込口11Aと対向する位置において通風方向に前後させて配置し且つ上記第1側面吸込口11Bおよび第2側面吸込口11Cとそれぞれ対向する上記第1熱交換器1の両方の直部1b,1cを熱交換器ユニット幅方向に対向するように配置して上記複数の熱交換器1、2が全体として平面視略U字形を呈するように構成するとともに、該熱交換ユニットXの内側に、上記ファン3がその軸線を上記前面吸込口11Aおよび上記空気吹出口12に対して直交させるように配置されていることを特徴としている。   In the heat source unit according to the third invention of the present application, the front suction port 11A is provided on the front surface 1a, the first side suction port 11B is provided on one side surface 1b, the second side suction port 11C is provided on the other side surface 1c, and the rear surface 1d. In the heat source unit configured by disposing the heat exchange unit X and the fan 3 in the casing 10 provided with the air outlet 12, the heat exchange unit X is arranged in a row before or after the heat transfer pipe in the airflow direction. The first heat exchanger 1 having a substantially U-shape in plan view arranged in two rows and the second heat exchanger 2 having a substantially straight shape in plan view in which the heat transfer tubes are arranged in one row or two rows are used as the first heat exchanger. 1 central portion 1a and the second heat exchanger 2 are arranged in the direction of ventilation at a position facing the front suction port 11A, and the first side suction port 11B and the second side suction port 11C, respectively. Both direct of the said 1st heat exchanger 1 which opposes 1b and 1c are arranged so as to oppose each other in the width direction of the heat exchanger unit so that the plurality of heat exchangers 1 and 2 have a substantially U shape in plan view as a whole, and the inside of the heat exchange unit X Further, the fan 3 is arranged so that its axis is orthogonal to the front suction port 11A and the air outlet 12.

本願の第4の発明に係る熱源ユニットでは、前面1aに前面吸込口11Aを、一方の側面1bに第1側面吸込口11Bを、他方の側面1cに第2側面吸込口11Cを、背面1dに空気吹出口12が設けられているケーシング10内に熱交換ユニットXとファン3を配置して構成される熱源ユニットにおいて、上記熱交換器ユニットXを、伝熱管を通風方向に前後して2列に配置した平面視略鉤形の第1熱交換器1と伝熱管を1列に配置した平面視直状の第2熱交換器2とを、上記第1熱交換器1の中央部1aと上記第1熱交換器1の直部1bとが上記前面吸込口11Aおよび上記第1側面吸込口11Bとそれぞれ対向するように配置し且つ上記第1熱交換器1の一端1c側に上記第2熱交換器2を略直交状態に配置して上記複数の熱交換器1、2が全体として平面視略U字形を呈するように構成するとともに、該熱交換ユニットXの内側に、上記ファン3がその軸線を上記前面吸込口11Aおよび上記空気吹出口12に対して直交させるように配置されていることを特徴としている。   In the heat source unit according to the fourth invention of the present application, the front suction port 11A is provided on the front surface 1a, the first side suction port 11B is provided on one side surface 1b, the second side suction port 11C is provided on the other side surface 1c, and the rear surface 1d. In the heat source unit configured by disposing the heat exchange unit X and the fan 3 in the casing 10 provided with the air outlet 12, the heat exchanger unit X is arranged in two rows before and after the heat transfer tube in the airflow direction. The first heat exchanger 1 having a substantially bowl shape in plan view and the second heat exchanger 2 having a straight shape in plan view in which the heat transfer tubes are arranged in a row are arranged in a central portion 1a of the first heat exchanger 1; The first heat exchanger 1 is disposed so that the straight portion 1b thereof faces the front suction port 11A and the first side suction port 11B, and the second heat exchanger 1 is disposed on the one end 1c side of the first heat exchanger 1. The plurality of heat exchangers 1 are arranged by arranging the heat exchangers 2 in a substantially orthogonal state. 2 is generally U-shaped in plan view, and the fan 3 is arranged inside the heat exchange unit X so that its axis is orthogonal to the front suction port 11A and the air outlet 12. It is characterized by being arranged in.

本願の第5の発明に係る熱源ユニットでは、上記第1、第2、第3又は第4の発明に係る熱源ユニットにおいて、上記熱交換器ユニットXの熱交換能力が低い側の端部寄りに圧縮機6を配置したことを特徴としている。   In the heat source unit according to the fifth invention of the present application, in the heat source unit according to the first, second, third or fourth invention, the heat exchanger unit X is closer to the end on the side where the heat exchange capability is low. The compressor 6 is arranged.

本願の第6の発明に係る熱源ユニットでは、上記第1、第2、第3又は第4の発明に係る熱源ユニットにおいて、上記ファン3を、上記熱交換器ユニットXの幅方向中央よりも熱交換能力が高い側に偏位して配置したことを特徴としている。   In the heat source unit according to the sixth invention of the present application, in the heat source unit according to the first, second, third, or fourth invention, the fan 3 is heated more than the center in the width direction of the heat exchanger unit X. It is characterized by being shifted to the side with high exchange capacity.

本願の第7の発明に係る熱源ユニットでは、上記第1、第2、第3、第4、第5又は第6の発明に係る熱源ユニットにおいて、上記熱交換器ユニットXの上記第1熱交換器1と第2熱交換器2を、該各熱交換器1、2が凝縮作用を為す場合において該各熱交換器1、2のうち、熱交換能力の高い熱交換器1又は2が冷媒上流側に、熱交換能力の低い熱交換器2又は1が冷媒下流側に、それぞれ位置するとともに、熱交換能力の高い熱交換器1又は2内の冷媒の流れ方向と熱交換能力の低い熱交換器2又は1内の冷媒の流れ方向が対向するように配管接続したことを特徴としている。   In the heat source unit according to the seventh invention of the present application, in the heat source unit according to the first, second, third, fourth, fifth or sixth invention, the first heat exchange of the heat exchanger unit X. When the heat exchangers 1 and 2 perform the condensing action, the heat exchanger 1 or 2 having a high heat exchanging capacity is used as the refrigerant. The heat exchanger 2 or 1 having a low heat exchange capacity is located on the upstream side, and the heat flow having a low heat exchange capacity and the flow direction of the refrigerant in the heat exchanger 1 or 2 having a high heat exchange capacity are located on the downstream side of the refrigerant. It is characterized by pipe connection so that the flow direction of the refrigerant in the exchanger 2 or 1 is opposed.

本願の第8の発明に係る熱源ユニットでは、上記第1、第2、第3、第4、第5、第6又は第7の発明に係る熱源ユニットにおいて、上記第1熱交換器1と第2熱交換器2のうち、吸込風量の多い熱交換器1又は2の段ピッチ又はフィンピッチを、吸込風量の少ない熱交換器2又は1の段ピッチ又はフィンピッチよりも小さく設定したことを特徴としている。   In the heat source unit according to the eighth invention of the present application, in the heat source unit according to the first, second, third, fourth, fifth, sixth or seventh invention, the first heat exchanger 1 and the first Among the two heat exchangers 2, the stage pitch or fin pitch of the heat exchanger 1 or 2 having a large suction air volume is set smaller than the stage pitch or fin pitch of the heat exchanger 2 or 1 having a small suction air volume. It is said.

本願の第9の発明に係る熱源ユニットでは、上記第1、第2又は第3の発明に係る熱源ユニットにおいて、上記第1熱交換器1と第2熱交換器2のうち、通風方向上流側に位置する熱交換器1又は2の高さ寸法を通風方向下流側に位置する熱交換器2又は1の高さ寸法より小さく設定し、通風方向上流側に位置する熱交換器1又は2の下端と通風方向下流側に位置する熱交換器2又は1の下端の間に配管用空間20を設けたことを特徴としている。   In the heat source unit according to the ninth invention of the present application, in the heat source unit according to the first, second, or third invention, of the first heat exchanger 1 and the second heat exchanger 2, the air flow direction upstream side. Of the heat exchanger 1 or 2 located in the ventilation direction is set smaller than the height dimension of the heat exchanger 2 or 1 located on the downstream side in the ventilation direction, and the heat exchanger 1 or 2 located on the upstream side in the ventilation direction is set. A piping space 20 is provided between the lower end and the lower end of the heat exchanger 2 or 1 located on the downstream side in the ventilation direction.

本願発明では次のような効果が得られる。   In the present invention, the following effects can be obtained.

(a)本願の第1の発明に係る熱源ユニットによれば、前面1aに前面吸込口11Aを、一方の側面1bに第1側面吸込口11Bを、他方の側面1cに第2側面吸込口11Cを、背面1dに空気吹出口12が設けられているケーシング10内に熱交換ユニットXとファン3を配置して構成される熱源ユニットにおいて、上記熱交換ユニットXを、伝熱管を通風方向に前後して1列又は2列に配置した平面視略鉤形の第1熱交換器1と伝熱管を1列又は2列に配置した平面視略鉤形の第2熱交換器2とを、該第1熱交換器1の一方の直部1aと第2熱交換器2の一方の直部2aとを上記前面吸込口11Aと対向する位置において通風方向に前後させて配置し且つ上記第1側面吸込口11Bと対向する上記第1熱交換器1の他方の直部1bと上記第2側面吸込口11Cと対向する上記第2熱交換器2の他方の直部2bとを熱交換器ユニット幅方向に対向するように配置して上記複数の熱交換器1、2が全体として平面視略U字形を呈するように構成するとともに、該熱交換ユニットXの内側に、上記ファン3がその軸線を上記前面吸込口11Aおよび上記空気吹出口12に対して直交させるように配置されているので、該複数の熱交換器1,2の熱交換能力をそれぞれ個別に設定でき、またこれら複数の熱交換器1,2の組合せ方を適宜設定することで、上記熱交換ユニットXの熱交換能力を、該熱交換ユニットXの各部間における風量分布に対応させることが容易であり、その結果、上記熱交換ユニットXが平面視略U字形を呈し該熱交換ユニットXの各部間において吸込空気の偏流が生じる構成であっても、係る偏流に影響されることなく、上記熱交換ユニットX全体として高い熱交換効率を達成することができ、延いては高能力の熱源ユニットを提供することができる。   (A) According to the heat source unit according to the first invention of the present application, the front suction port 11A is provided on the front surface 1a, the first side suction port 11B is provided on one side surface 1b, and the second side suction port 11C is provided on the other side surface 1c. In the heat source unit configured by disposing the heat exchange unit X and the fan 3 in the casing 10 provided with the air outlet 12 on the back surface 1d, the heat exchange unit X is moved back and forth in the direction of ventilation of the heat transfer tube. The first heat exchanger 1 having a generally planar shape in a plan view arranged in one or two rows and the second heat exchanger 2 having a generally saddle shape in a plan view having heat transfer tubes arranged in one or two rows, One straight portion 1a of the first heat exchanger 1 and one straight portion 2a of the second heat exchanger 2 are arranged in the airflow direction at a position facing the front suction port 11A, and the first side surface. The other straight portion 1b of the first heat exchanger 1 facing the suction port 11B and the above The plurality of heat exchangers 1 and 2 are flat as a whole by disposing the other side portion 2b of the second heat exchanger 2 facing the two-side suction port 11C so as to face the heat exchanger unit width direction. The fan 3 is configured so as to have a substantially U-shape when viewed, and the fan 3 is arranged inside the heat exchange unit X so that the axis thereof is orthogonal to the front suction port 11A and the air outlet 12. Therefore, the heat exchange capacities of the plurality of heat exchangers 1 and 2 can be individually set, and the heat exchange of the heat exchange unit X can be performed by appropriately setting the combination of the plurality of heat exchangers 1 and 2. It is easy to make the capacity correspond to the air volume distribution between the parts of the heat exchange unit X. As a result, the heat exchange unit X has a substantially U shape in plan view, and the intake air between the parts of the heat exchange unit X Drift Be configured arising is that without being affected in drift of, it is possible to achieve a high heat exchange efficiency as a whole the heat exchange unit X, and by extension may provide a heat source unit of a high capacity.

(b)また、本願の第1の発明に係る熱源ユニットでは、上記熱交換器ユニットXを、伝熱管を通風方向に前後して1列又は2列に配置した平面視略鉤形の第1熱交換器1と伝熱管を1列又は2列に配置した平面視略鉤形の第2熱交換器2を、該第1熱交換器1の一方の直部1aと第2熱交換器2の一方の直部2aを通風方向に前後させるとともに、上記第1熱交換器1の他方の直部1bと上記第2熱交換器2の他方の直部2bを熱交換器ユニット幅方向に対向するように配置している。   (B) Further, in the heat source unit according to the first invention of the present application, the heat exchanger unit X is arranged in a row or row in front and rear in the direction of ventilation of the heat transfer tube, and has a substantially bowl-shaped first in plan view. The second heat exchanger 2 having a substantially bowl shape in plan view in which the heat exchanger 1 and the heat transfer tubes are arranged in one or two rows is connected to one straight portion 1a of the first heat exchanger 1 and the second heat exchanger 2 The other straight portion 1b of the first heat exchanger 1 and the other straight portion 2b of the second heat exchanger 2 are opposed to each other in the heat exchanger unit width direction. It is arranged to do.

従って、上記第1熱交換器1の一方の直部1aと上記第2熱交換器2の一方の直部2aが通風方向に前後した部分は、上記ファンの吸込軸線に直交するように対向し吸込風量が最も多い部分であるところ、該部分は上記第1熱交換器1と第2熱交換器2が通風方向に前後していることから最も高い熱交換能力が得られる。   Accordingly, the portion where one straight portion 1a of the first heat exchanger 1 and one straight portion 2a of the second heat exchanger 2 are back and forth in the ventilation direction is opposed to be orthogonal to the suction axis of the fan. Where the amount of intake air is the largest, the highest heat exchange capacity can be obtained because the first heat exchanger 1 and the second heat exchanger 2 move back and forth in the ventilation direction.

一方、上記第1熱交換器1の他方の直部1bと上記第2熱交換器2の他方の直部2bは熱交換器ユニット幅方向に対向していることから、共に、上記ファンの吸込軸線から上記幅方向へ外れた位置にあって吸込風量が少ない部位であるところ、これらの部分は上記第1熱交換器1と第2熱交換器2がそれぞれ単独に配置された部分であって熱交換能力は比較的低くなっている。   On the other hand, since the other straight portion 1b of the first heat exchanger 1 and the other straight portion 2b of the second heat exchanger 2 are opposed to each other in the heat exchanger unit width direction, These portions are portions where the first heat exchanger 1 and the second heat exchanger 2 are individually arranged, where the suction air volume is small and the position is deviated from the axis in the width direction. The heat exchange capacity is relatively low.

この結果、上記熱交換ユニットXにおいては、吸込風量の多少と熱交換能力の高低が対応することとなり、全体として高い熱交換効率が達成されるものである。   As a result, in the heat exchange unit X, the amount of the intake air flow corresponds to the level of the heat exchange capacity, and high heat exchange efficiency is achieved as a whole.

(c)本願の第2の発明に係る熱源ユニットでは、上記熱交換器ユニットXを、伝熱管を通風方向に前後して1列又は2列に配置した平面視略鉤形の第1熱交換器1と伝熱管を1列又は2列に配置した平面視略U字形の第2熱交換器2を、上記第1熱交換器1の一方の直部1aと他方の直部1bが、上記第2熱交換器2の中央部2aと一方の側部2bに対して通風方向において前後するように配置して構成している。   (C) In the heat source unit according to the second invention of the present application, the first heat exchange having a substantially bowl shape in a plan view in which the heat exchanger unit X is arranged in one or two rows before and after the heat transfer tube passes in the ventilation direction. The first heat exchanger 1 has a straight portion 1a and a second straight portion 1b, the second heat exchanger 2 having a substantially U shape in a plan view in which the heat exchanger 1 and the heat transfer tubes are arranged in one or two rows. It arrange | positions and is comprised so that it may move back and forth in the ventilation direction with respect to the center part 2a and the one side part 2b of the 2nd heat exchanger 2. FIG.

従って、熱交換ユニットXにおける熱交換能力は、上記第1熱交換器1の一方の直部1aと上記第2熱交換器2の中央部2aが前後する部分で最も高能力となり、上記第1熱交換器1の他方の直部1bと上記第2熱交換器2の一方の側部2bが前後する部分では中間能力となり、更に上記第2熱交換器2の他方の側部2cのみが存在する部分では最も低能力となる、
この結果、本発明の構成は、上記熱交換ユニットXの両側部間において吸込風量に差が有るような場合、例えば、一方側には圧縮機等の機器が存在して空気の通路空間が他方側より狭く、これら両者間において吸込風量に差があるような場合に適用することで、上記熱交換ユニットXにおいては、吸込風量の多少と熱交換能力の高低が対応することとなり、全体として高い熱交換効率が達成されるものである。
Therefore, the heat exchanging capacity in the heat exchanging unit X is the highest in the portion where one straight part 1a of the first heat exchanger 1 and the central part 2a of the second heat exchanger 2 are back and forth. The portion where the other straight portion 1b of the heat exchanger 1 and the one side portion 2b of the second heat exchanger 2 move back and forth is an intermediate capacity, and only the other side portion 2c of the second heat exchanger 2 exists. It becomes the lowest ability in the part to
As a result, in the configuration of the present invention, when there is a difference in the intake air volume between the two sides of the heat exchange unit X, for example, there is a device such as a compressor on one side and the air passage space is on the other side. By applying to the case where there is a difference in the suction air volume between these two, the heat exchange unit X will correspond to the degree of the suction air volume and the heat exchange capacity, which is high overall. Heat exchange efficiency is achieved.

(d)本願の第3の発明に係る熱源ユニットでは、上記熱交換器ユニットXを、伝熱管を通風方向に前後して1列又は2列に配置した平面視略U字形の第1熱交換器1と伝熱管を1列又は2列に配置した平面視略直状の第2熱交換器2を、上記第1熱交換器1の中央部1bに上記第2熱交換器2が対向するように配置している。   (D) In the heat source unit according to the third invention of the present application, the heat exchanger unit X is arranged in one or two rows before and after the heat transfer tube in the direction of ventilation and is substantially U-shaped in a plan view. The second heat exchanger 2 having a substantially straight shape in plan view in which the heat exchanger 1 and the heat transfer tubes are arranged in one or two rows is opposed to the central portion 1b of the first heat exchanger 1 and the second heat exchanger 2 is opposed thereto. Are arranged as follows.

従って、上記第1熱交換器1の中央部1bと上記第2熱交換器2が通風方向に前後した部分は、上記ファンの吸込軸線に直交するように対向し吸込風量が最も多い部分であるところ、該部分は上記第1熱交換器1の中央部1bと第2熱交換器2が通風方向に前後していることから最も高い熱交換能力が得られる。   Accordingly, the portion where the central portion 1b of the first heat exchanger 1 and the second heat exchanger 2 are moved back and forth in the direction of ventilation is the portion facing the direction perpendicular to the suction axis of the fan and having the largest amount of suction air. However, since the center part 1b of the said 1st heat exchanger 1 and the 2nd heat exchanger 2 are back and forth in the ventilation direction, this part can obtain the highest heat exchange capability.

一方、上記第1熱交換器1の左右の側部1b、1cは、共に、上記ファンの吸込軸線から上記幅方向へ外れた位置にあって吸込風量が少ない部位であるところ、これらの部分は上記第1熱交換器1の左右の側部1b、1cそれぞれ単独に配置された部分であって熱交換能力は比較的低くなっている。   On the other hand, both the left and right side portions 1b and 1c of the first heat exchanger 1 are located away from the fan suction axis in the width direction and are portions where the suction air volume is small. The left and right side portions 1b and 1c of the first heat exchanger 1 are disposed independently, and the heat exchange capacity is relatively low.

この結果、上記熱交換ユニットXにおいては、吸込風量の多少と熱交換能力の高低が対応することとなり、全体として高い熱交換効率が達成されるものである。   As a result, in the heat exchange unit X, the amount of the intake air flow corresponds to the level of the heat exchange capacity, and high heat exchange efficiency is achieved as a whole.

(e)本願の第4の発明に係る熱源ユニットでは、上記熱交換器ユニットXを、伝熱管を通風方向に前後して2列に配置した平面視略鉤形の第1熱交換器1と伝熱管を1列に配置した平面視直状の第2熱交換器2を、該第1熱交換器1の一端側1cに上記第2熱交換器2を略直交状態に配置している。   (E) In the heat source unit according to the fourth invention of the present application, the first heat exchanger 1 having a generally bowl shape in plan view, in which the heat exchanger unit X is arranged in two rows before and after the heat transfer tube passes through the ventilation direction; The second heat exchanger 2 having a straight shape in plan view in which the heat transfer tubes are arranged in one row is arranged on one end side 1c of the first heat exchanger 1, and the second heat exchanger 2 is arranged in a substantially orthogonal state.

従って、熱交換ユニットXにおける熱交換能力は、上記第1熱交換器1と上記第2熱交換器2それぞれが有する熱交換能力に依存することとなり、例えば、上記第1熱交換器1の熱交換能力が上記第2熱交換器2の熱交換能力より高く設定されている場合には、上記ファン3に対向する上記熱交換ユニットXの幅方向中央部と、上記第1熱交換器1によって構成される一方の側部では高く、上記第2熱交換器2で構成された他方の側部では低くなる。このため、上記熱交換ユニットXにおける吸込風量が、例えば通風空間の構成によって、上記ファン3に対向する中央部分と一方の側部が同等とされ、他方の側部はそれより少風量であるような場合には、上記熱交換ユニットXにおいて吸込風量の多少と熱交換能力の高低が対応することになる。   Therefore, the heat exchange capacity in the heat exchange unit X depends on the heat exchange capacity of each of the first heat exchanger 1 and the second heat exchanger 2, for example, the heat of the first heat exchanger 1 When the exchange capacity is set higher than the heat exchange capacity of the second heat exchanger 2, the width direction central part of the heat exchange unit X facing the fan 3 and the first heat exchanger 1 It is high on one side configured, and low on the other side configured with the second heat exchanger 2. For this reason, the suction air amount in the heat exchange unit X is made equal to the central portion facing the fan 3 and one side portion, for example, depending on the structure of the ventilation space, and the other side portion has a smaller air amount. In such a case, in the heat exchange unit X, the amount of the suction air flow corresponds to the level of the heat exchange capacity.

逆に、上記第1熱交換器1の熱交換能力が上記第2熱交換器2の熱交換能力より低く設定されている場合には、上記ファン3に対向する上記熱交換ユニットXの幅方向中央部と、上記第1熱交換器1によって構成される一方の側部では低く、上記第2熱交換器2で構成された他方の側部では高くなる。このため、上記熱交換ユニットXにおける吸込風量が、例えば通風空間の構成によって、上記ファン3に対向する中央部分と一方の側部が同等とされ、他方の側部はそれより大風量であるような場合には、上記熱交換ユニットXにおいて吸込風量の多少と熱交換能力の高低が対応することになる。   Conversely, when the heat exchange capacity of the first heat exchanger 1 is set lower than the heat exchange capacity of the second heat exchanger 2, the width direction of the heat exchange unit X facing the fan 3 is determined. It is low at the central portion and one side portion constituted by the first heat exchanger 1 and is high at the other side portion constituted by the second heat exchanger 2. For this reason, the suction air volume in the heat exchange unit X is made equal to the central part facing the fan 3 and one side part, for example, depending on the structure of the ventilation space, and the other side part has a larger air volume. In such a case, in the heat exchange unit X, the amount of the suction air flow corresponds to the level of the heat exchange capacity.

これらの結果、上記熱交換ユニットXにおいては、吸込風量の多少と熱交換能力の高低が対応することとなり、全体として高い熱交換効率が達成されるものである。   As a result, in the heat exchanging unit X, the amount of the intake air flow corresponds to the level of the heat exchanging capacity, and high heat exchanging efficiency is achieved as a whole.

(f)本願の第5の発明に係る熱源ユニットによれば、上記(a)、(b)、(c)、(d)又は(e)に記載の効果に加えて以下のような特有の効果が得られる。即ち、この発明では、上記熱交換器ユニットXの熱交換能力が低い側の端部寄りに圧縮機6を配置しているので、該圧縮機6の存在によって該圧縮機6寄りから吸込まれる空気の通路空間が狭められ、該部分からの吸込風量が他の部分からの吸込風量よりも少なくなり上記熱交換ユニットXへの吸込空気に偏流が生じていても、この偏流により生じる吸込風量の多少(風量分布)と熱交換能力の高低が対応することになり、その結果、上記熱交換ユニットXにおいては、吸込風量の多少と熱交換能力の高低が対応することとなり、上記圧縮機6の存在に拘らず全体として高い熱交換効率が達成される。   (F) According to the heat source unit of the fifth invention of the present application, in addition to the effects described in the above (a), (b), (c), (d) or (e), An effect is obtained. In other words, in the present invention, the compressor 6 is disposed near the end of the heat exchanger unit X where the heat exchange capacity is low, so that the compressor 6 is sucked from the compressor 6 due to the presence of the compressor 6. Even if the air passage space is narrowed and the suction air volume from the part is smaller than the suction air volume from the other part and the suction air to the heat exchange unit X is drifted, As a result, the heat exchange capacity corresponds to a certain amount (air volume distribution). As a result, in the heat exchange unit X, the suction air volume corresponds to the heat exchange capacity. High heat exchange efficiency is achieved as a whole regardless of the existence.

(g)本願の第6の発明に係る熱源ユニットによれば、上記(a)、(b)、(c)、(d)又は(e)に記載の効果に加えて以下のような特有の効果が得られる。即ち、この発明では、上記ファン3を、上記熱交換器ユニットXの幅方向中央よりも熱交換能力が高い側に偏位させて配置しているので、この熱交換能力が高い側に上記ファン3による吸込空気の主流が対応することとなり、その結果、上記熱交換ユニットXにおいては、吸込風量の多少と熱交換能力の高低が対応することとなり、全体として高い熱交換効率が達成される。   (G) According to the heat source unit of the sixth invention of the present application, in addition to the effects described in the above (a), (b), (c), (d) or (e), An effect is obtained. In other words, in the present invention, the fan 3 is arranged so as to be shifted to the side where the heat exchanging capacity is higher than the center of the heat exchanger unit X in the width direction. As a result, in the heat exchange unit X, the amount of the suction air and the level of the heat exchange capacity correspond to each other, and high heat exchange efficiency is achieved as a whole.

(h)本願の第7の発明に係る熱源ユニットによれば、上記(a)、(b)、(c)、(d)、(e)又は(g)に記載の効果に加えて以下のような特有の効果が得られる。即ち、この発明では、上記熱交換器ユニットXの上記第1熱交換器1と第2熱交換器2を、該各熱交換器1、2が凝縮作用を為す場合において該各熱交換器1、2のうち、熱交換能力の高い熱交換器1又は2が冷媒上流側に、熱交換能力の低い熱交換器2又は1が冷媒下流側に、それぞれ位置するとともに、熱交換能力の高い熱交換器1又は2内の冷媒の流れ方向と熱交換能力の低い熱交換器2又は1内の冷媒の流れ方向が対向するように配管接続しているので、熱交換能力の高い熱交換器1又は2がガス側、熱交換能力の低い熱交換器2又は1が液側となり、凝縮時における冷媒の対向流れが実現され、より高い凝縮能力をもつ熱源ユニットを提供できる。   (H) According to the heat source unit according to the seventh invention of the present application, in addition to the effects described in (a), (b), (c), (d), (e) or (g), Such unique effects can be obtained. That is, in the present invention, the first heat exchanger 1 and the second heat exchanger 2 of the heat exchanger unit X are combined with the heat exchangers 1 and 2 when the heat exchangers 1 and 2 perform a condensing action. 2, the heat exchanger 1 or 2 having a high heat exchange capability is located on the upstream side of the refrigerant, and the heat exchanger 2 or 1 having a low heat exchange capability is located on the downstream side of the refrigerant. Since the pipes are connected so that the flow direction of the refrigerant in the exchanger 1 or 2 and the flow direction of the refrigerant in the heat exchanger 2 or 1 having a low heat exchange capacity face each other, the heat exchanger 1 having a high heat exchange capacity. Alternatively, 2 is the gas side, and the heat exchanger 2 or 1 having a low heat exchange capability is the liquid side, so that a counter flow of the refrigerant during the condensation is realized, and a heat source unit having a higher condensation capability can be provided.

(i)本願の第8の発明に係る熱源ユニットによれば、上記(a)、(b)、(c)、(d)、(e)、(g)又は(h)に記載の効果に加えて以下のような特有の効果が得られる。即ち、この発明では、上記第1熱交換器1と第2熱交換器2のうち、吸込風量の多い熱交換器1又は2の段ピッチ又はフィンピッチを、吸込風量の少ない熱交換器2又は1の段ピッチ又はフィンピッチよりも小さく設定しいるので、吸込風量の多い熱交換器1又は2においては、段ピッチ又はフィンピッチを小さくしたことで熱交換能力の増加が図れる一方、吸込風量の少ない熱交換器2又は1においては、段ピッチ又はフィンピッチを大きくしたことで着霜時における通風抵抗の増加を低く抑えることができ、これらの相乗効果として、高い熱交換能力をもつ熱源ユニットを提供できる。
(j)本願の第9の発明に係る熱源ユニットによれば、上記(a)、(b)、(c)、(d)又は(e)に記載の効果に加えて以下のような特有の効果が得られる。即ち、この発明では、上記第1熱交換器1と第2熱交換器2のうち、通風方向上流側に位置する熱交換器1又は2の高さ寸法を通風方向下流側に位置する熱交換器2又は1の高さ寸法より小さく設定し、通風方向上流側に位置する熱交換器1又は2の下端と通風方向下流側に位置する熱交換器2又は1の下端の間に配管用空間20を設けているので、上記ケーシング10内に上記各熱交換器1,2等を設置する場合、先ず、通風方向下流側(即ち、上記ファン3寄り)に位置する熱交換器2又は1を設置して該熱交換器2又は1の配管と機内配管を接続し、しかる後、通風方向上流側(即ち、空気吸込口に近い側)に位置する熱交換器1又は2を設置する場合、該熱交換器1又は2の下端側に設けられた上記配管用隙間20を通して上記機内配管を該熱交換器1又は2側へ引き出してその配管に接続することができ、例えば、従来のように機内の側部に熱交換器とか圧縮機等の機器の側方を迂回して配管空間を設ける場合に比して、上記ケーシング10の幅方向のコンパクト化、延いては熱源ユニットの幅方向のコンパクト化が実現されるものである。
(I) According to the heat source unit according to the eighth invention of the present application, the effect described in (a), (b), (c), (d), (e), (g) or (h) is achieved. In addition, the following specific effects can be obtained. That is, in the present invention, the step pitch or fin pitch of the heat exchanger 1 or 2 having a large suction air amount out of the first heat exchanger 1 and the second heat exchanger 2 is replaced with the heat exchanger 2 or 2 having a small suction air amount. Since the heat exchanger 1 or 2 having a large suction air volume can be set smaller than the stage pitch or fin pitch of 1, the heat exchange capacity can be increased by reducing the stage pitch or fin pitch. In the few heat exchangers 2 or 1, the increase in the ventilation resistance at the time of frosting can be suppressed low by increasing the step pitch or the fin pitch. As a synergistic effect of these, a heat source unit having a high heat exchanging capacity is provided. Can be provided.
(J) According to the heat source unit of the ninth invention of the present application, in addition to the effects described in (a), (b), (c), (d) or (e), An effect is obtained. In other words, in the present invention, of the first heat exchanger 1 and the second heat exchanger 2, the height of the heat exchanger 1 or 2 located on the upstream side in the ventilation direction is the heat exchange located on the downstream side in the ventilation direction. A space for piping between the lower end of the heat exchanger 1 or 2 located on the upstream side in the ventilation direction and the lower end of the heat exchanger 2 or 1 located on the downstream side in the ventilation direction, which is set smaller than the height dimension of the vessel 2 or 1 When the heat exchangers 1, 2, etc. are installed in the casing 10, first, the heat exchanger 2 or 1 located on the downstream side in the ventilation direction (that is, close to the fan 3) is first installed. When installing and connecting the pipe of the heat exchanger 2 or 1 and the pipe in the machine, and then installing the heat exchanger 1 or 2 located on the upstream side in the ventilation direction (that is, the side close to the air inlet), Inside the machine through the piping gap 20 provided on the lower end side of the heat exchanger 1 or 2 The pipe can be pulled out to the heat exchanger 1 or 2 side and connected to the pipe. For example, the pipe bypasses the side of the equipment such as a heat exchanger or a compressor on the side in the machine as in the past. Compared to the case where a space is provided, the casing 10 can be made compact in the width direction, and thus the heat source unit can be made compact in the width direction.

本願発明の第1の実施の形態に係る熱源ユニットの横断面図である。It is a cross-sectional view of the heat source unit according to the first embodiment of the present invention. 図1のII−II矢視図である。It is an II-II arrow line view of FIG. 熱交換器の配管取回図である。It is a piping diagram of a heat exchanger. 本願発明の第2の実施の形態に係る熱源ユニットの横断面図である。It is a cross-sectional view of the heat source unit according to the second embodiment of the present invention. 本願発明の第3の実施の形態に係る熱源ユニットの横断面図である。It is a cross-sectional view of a heat source unit according to a third embodiment of the present invention. 本願発明の第4の実施の形態に係る熱源ユニットの横断面図である。It is a cross-sectional view of the heat source unit which concerns on 4th Embodiment of this invention. 本願発明の第5の実施の形態に係る熱源ユニットの横断面図である。It is a cross-sectional view of the heat source unit which concerns on 5th Embodiment of this invention. 本願発明の第6の実施の形態に係る熱源ユニットの横断面図である。It is a cross-sectional view of the heat source unit which concerns on 6th Embodiment of this invention. 本願発明の第7の実施の形態に係る熱源ユニットの横断面図である。It is a cross-sectional view of the heat source unit according to the seventh embodiment of the present invention. 本願発明の第8の実施の形態に係る熱源ユニットの横断面図である。It is a cross-sectional view of the heat source unit according to the eighth embodiment of the present invention. 本願発明の第9の実施の形態に係る熱源ユニットの横断面図である。It is a cross-sectional view of the heat source unit according to the ninth embodiment of the present invention.

以下、本願発明を好適な実施形態に基づいて具体的に説明する。   Hereinafter, the present invention will be specifically described based on preferred embodiments.

I:第1の実施形態
図1及び図2には、本願発明の第1の実施形態に係る熱源ユニットとして、空気調和機の室外機Z1を示している。この室外機Z1は、矩形箱状形体をもつケーシング10内に、次述する熱交換ユニットXと、モータ4と羽根車5を備えた成るファン3と、縦形の圧縮機6及び横置形のアキュムレータ8をそれぞれ収容して構成される。
I: First Embodiment FIGS. 1 and 2 show an outdoor unit Z1 of an air conditioner as a heat source unit according to a first embodiment of the present invention. This outdoor unit Z1 includes a heat exchange unit X described below, a fan 3 including a motor 4 and an impeller 5, a vertical compressor 6 and a horizontal accumulator in a casing 10 having a rectangular box shape. 8 is accommodated.

上記ケーシング10は、その前面1aに前面吸込口11Aを、一方の側面1bに第1側面吸込口11Bを、他方一方の側面1cに第2側面吸込口11Cを備え、これら各空気吸込口11A,11B,11Cで空気吸込口11を構成している。また、上記ケーシング10の背面1dには、空気吹出口12が設けられている。   The casing 10 includes a front suction port 11A on the front surface 1a, a first side suction port 11B on one side surface 1b, and a second side suction port 11C on the other side surface 1c. The air inlet 11 is comprised by 11B and 11C. An air outlet 12 is provided on the back surface 1 d of the casing 10.

そして、上記ファン3は、上記空気吹出口12に臨んで配置され、上記各空気吸込口11A,11B,11Cから吸込まれた空気を上記空気吹出口12から吹出す。また、上記圧縮機6は、上記ケーシング10の他方の側面1cと背面1dで囲まれた隅部の底部に立設配置されている。さらに、上記アキュムレータ8は、上記ケーシング10の底面10eの近傍で且つ上記ファン3の下方に位置するようにして、横置き配置されている。   And the said fan 3 is arrange | positioned facing the said air blower outlet 12, and blows off the air suck | inhaled from each said air suction inlet 11A, 11B, 11C from the said air blower outlet 12. FIG. The compressor 6 is arranged upright at the bottom of the corner surrounded by the other side surface 1c and the back surface 1d of the casing 10. Further, the accumulator 8 is placed horizontally so as to be positioned near the bottom surface 10 e of the casing 10 and below the fan 3.

一方、上記熱交換ユニットXは、次述するクロスフィン形の第1熱交換器1と第2熱交換器2を組み合わせて構成され、全体として平面視略U字形の形体を有し、上記各空気吸込口11A,11B,11Cのそれぞれに対応するとともに、その凹状部側で上記ファン3と圧縮機6を取り囲むようにして配置される。   On the other hand, the heat exchange unit X is configured by combining a cross fin-shaped first heat exchanger 1 and a second heat exchanger 2 described below, and has a generally U-shaped form in plan view. The air intake ports 11A, 11B, and 11C correspond to the air intake ports 11A, 11B, and 11C, respectively, and are disposed so as to surround the fan 3 and the compressor 6 on the concave portion side.

上記第1熱交換器1は、パスが前後二列に配置された二列構成の熱交換器であって、その幅方向の一端寄り部分を略直交状に屈曲させて長尺幅をもつ一方の直部1aと短尺幅をもつ他方の直部1bを備えた平面視略鉤形の形体を有している。   The first heat exchanger 1 is a heat exchanger having a two-row configuration in which the paths are arranged in two rows in the front and rear directions, and has a long width by bending a portion near one end in the width direction in a substantially orthogonal shape. It has a substantially bowl-shaped configuration in plan view, which includes the straight portion 1a and the other straight portion 1b having a short width.

上記第2熱交換器2は、一列のパスをもつ一列構成の熱交換器であって、その幅方向の一端寄り部分を略直交状に屈曲させて長尺幅をもつ一方の直部2aと短尺幅をもつ他方の直部2bを備えた平面視略鉤形の形体を有している。   The second heat exchanger 2 is a one-row heat exchanger having one row of paths, and a straight portion 2a having a long width by bending a portion near one end in the width direction in a substantially orthogonal shape. It has a substantially bowl-shaped shape in plan view provided with the other straight portion 2b having a short width.

また、上記第1熱交換器1の高さ寸法は、図2に示すように、上記第2熱交換器2の高さ寸法よりも所定寸法だけ大きな寸法に設定されている。   Moreover, the height dimension of the said 1st heat exchanger 1 is set to the dimension larger only the predetermined dimension than the height dimension of the said 2nd heat exchanger 2, as shown in FIG.

さらに、上記第1熱交換器1のフィンピッチは、上記第2熱交換器2のフィンピッチよりも小さく設定されており、これら両者の熱交換能力は、パス構成が二列構成と一列構成であることとも相俟って、上記第1熱交換器1の方が上記第2熱交換器2よりも高い熱交換能力を有している。係る構成は、熱交換能力の高い上記第1熱交換器1を吸込風量の多い部位に配置することで、高い熱交換効率を達成することができる。また、熱交換能力の低い上記第2熱交換器2は、これを吸込風量の少ない部位に配置することで、該第2熱交換器2が凝縮作用をなす場合においてフィンに着霜が生じたとしても、これによる通風抵抗の増加をできるだけ小さく抑えることができる。   Further, the fin pitch of the first heat exchanger 1 is set to be smaller than the fin pitch of the second heat exchanger 2, and the heat exchange capacity of both of them is that the path configuration is a two-row configuration and a one-row configuration. Combined with this, the first heat exchanger 1 has a higher heat exchange capacity than the second heat exchanger 2. Such a configuration can achieve high heat exchange efficiency by disposing the first heat exchanger 1 having a high heat exchange capacity in a portion having a large amount of suction air. Moreover, the said 2nd heat exchanger 2 with a low heat exchange capability arrange | positions this in the site | part with a small amount of suction | inhalation air | flow, and when this 2nd heat exchanger 2 made | forms a condensing effect | action, the frost formed in the fin However, the increase in ventilation resistance due to this can be minimized.

このように構成された上記第1熱交換器1と上記第2熱交換器2を組み合わせて上記熱交換ユニットXとする場合には、先ず、上記第1熱交換器1を、その一方の直部1aが上記前面吸込口11Aに、他方の直部1bが上記第1側面吸込口11Bに、それぞれ対向するようにして上記ケーシング10内の所定位置に配置する。そして、この第1熱交換器1の配管を機内配管に接続する。   When the first heat exchanger 1 and the second heat exchanger 2 configured as described above are combined to form the heat exchange unit X, first, the first heat exchanger 1 is directly connected to one of the first heat exchanger 1 and the second heat exchanger 2. The part 1a is disposed at a predetermined position in the casing 10 so as to face the front suction port 11A and the other straight part 1b to face the first side suction port 11B. Then, the pipe of the first heat exchanger 1 is connected to the in-machine pipe.

次に、上記第2熱交換器2を上記第1熱交換器1の外側に、その一方の直部2aが上記第1熱交換器1の一方の直部1aに近接対向し、他方の直部2bが機内空間を挟んで上記第1熱交換器1の他方の直部1bに離間対向するようにして配置する。この場合、上記第1熱交換器1と第2熱交換器2の上面を同一高さに揃えることで、高さ寸法の小さい上記第2熱交換器2の他端の下側に配管用隙間20が形成される。   Next, the second heat exchanger 2 is placed on the outside of the first heat exchanger 1, and one straight portion 2a thereof is in close proximity to one straight portion 1a of the first heat exchanger 1, and the other The part 2b is disposed so as to be opposed to the other direct part 1b of the first heat exchanger 1 with the interior space interposed therebetween. In this case, by arranging the upper surfaces of the first heat exchanger 1 and the second heat exchanger 2 at the same height, a pipe gap is provided below the other end of the second heat exchanger 2 having a small height. 20 is formed.

この状態で、上記第1熱交換器1の一方の直部1aと上記第2熱交換器2の一方の直部2aを、該第1熱交換器1の屈曲方向外側に上記第2熱交換器2が位置するように前後して配置し、上記第1熱交換器1の屈曲部の近傍と上記第2熱交換器2の直部2aの端部を管板14で、上記第1熱交換器1の直部1aの端部と上記第2熱交換器2の屈曲部の近傍を管板15で、それぞれ連結することで一体化され、上記熱交換ユニットXを構成している。   In this state, one straight portion 1a of the first heat exchanger 1 and one straight portion 2a of the second heat exchanger 2 are placed outside the second heat exchanger 1 in the bending direction of the first heat exchanger 1. The first heat exchanger 1 is arranged so as to be positioned back and forth, and the tube plate 14 connects the vicinity of the bent portion of the first heat exchanger 1 and the end of the straight portion 2a of the second heat exchanger 2 with the first heat. The end portion of the straight portion 1a of the exchanger 1 and the vicinity of the bent portion of the second heat exchanger 2 are connected by a tube plate 15 to be integrated to constitute the heat exchange unit X.

しかる後、上記第2熱交換器2の配管を機内配管に接続するとともに、該機内配管を、上記配管用隙間20を通して上記第2熱交換器2の下側からさらに上記ケーシング10の前面1a側へ引き出す。このように、上記第1熱交換器1と第2熱交換器2の高さ寸法を異ならせることで形成される上記配管用隙間20に機内配管を通すことで、上記熱交換ユニットXの幅方向外側に配管用隙間を設ける場合に比して、上記ケーシング10の幅寸法を小さくしてそのコンパクト化を図ることができる。   Thereafter, the pipe of the second heat exchanger 2 is connected to the pipe in the machine, and the pipe in the machine is further passed from the lower side of the second heat exchanger 2 through the pipe gap 20 to the front 1a side of the casing 10. Pull out to. Thus, the width of the heat exchange unit X can be obtained by passing the in-machine piping through the piping gap 20 formed by making the first heat exchanger 1 and the second heat exchanger 2 different in height. Compared to the case where a gap for piping is provided on the outer side in the direction, the width of the casing 10 can be reduced to make the casing compact.

このように構成された上記熱交換ユニットXにおける熱交換能力は、上記第1熱交換器1の一方の直部1aと上記第2熱交換器2の一方の直部2aが対向状態で近接配置された第1熱交換部X1では「大能力」、上記第1熱交換器1の他方の直部1bのみで構成された第2熱交換部X2では「中能力」、さらに上記第2熱交換器2の他方の直部2bのみで構成された第3熱交換部X3では「小能力」とされる。即ち、上記熱交換ユニットXは、熱交換能力の異なる三つの部分で構成される。   The heat exchange capacity of the heat exchange unit X configured as described above is such that one straight part 1a of the first heat exchanger 1 and one straight part 2a of the second heat exchanger 2 are arranged close to each other. The first heat exchanging part X1 is “large capacity”, the second heat exchanging part X2 composed only of the other straight part 1b of the first heat exchanger 1 is “medium capacity”, and the second heat exchanging is further performed. The third heat exchanging part X3 configured only by the other straight part 2b of the vessel 2 is set to “small capacity”. That is, the heat exchange unit X is composed of three parts having different heat exchange capabilities.

なお、図1において、符号7は、上記第1熱交換器1の一方の直部1aの端部と上記第2熱交換器2のコナー部の間のスペースに配置されたヘッダーである。   In FIG. 1, reference numeral 7 denotes a header arranged in a space between the end of one straight portion 1 a of the first heat exchanger 1 and the corner portion of the second heat exchanger 2.

ここで、上記第1熱交換器1と第2熱交換器2の配管構成であるが、この実施形態では、図3に示すように、これら各熱交換器1,2が共に凝縮器として作用する場合において、熱交換能力の高い第1熱交換器1が冷媒上流側に、熱交換能力の低い第2熱交換器2が冷媒下流側にそれぞれ位置するように各パス間を接続する。即ち、図3では上記第1熱交換器1と上記第2熱交換器2が共に一列配置のパス構成をもつものを例として示しているが、この場合、上記第1熱交換器1における各パス16A〜16Fをその下流側においてそれぞれ隣接するもの同士を合流させた後、これら合流管をそれぞれ上記第2熱交換器2の各パス17A〜17Cに接続している。係る配管構成とすることで、主としてガス冷媒が流れる上記第1熱交換器1側における冷媒流速と、主として液冷媒が流れる上記第2熱交換器2側における冷媒流速の均等化が図られ、例えば、上記第1熱交換器1と第2熱交換器2のパス数を同じとした結果、これら両熱交換器1,2間において冷媒流速に差が生じる場合に比して、上記熱交換ユニットX全体として高い熱交換効率が得られるものである。   Here, although it is a piping structure of the said 1st heat exchanger 1 and the 2nd heat exchanger 2, in this embodiment, as shown in FIG. 3, each of these heat exchangers 1 and 2 acts as a condenser. In this case, the paths are connected so that the first heat exchanger 1 having a high heat exchange capability is located on the upstream side of the refrigerant and the second heat exchanger 2 having a low heat exchange capability is located on the downstream side of the refrigerant. That is, FIG. 3 shows an example in which the first heat exchanger 1 and the second heat exchanger 2 both have a single-row arrangement, but in this case, each of the first heat exchangers 1 in the first heat exchanger 1 is shown. After the paths 16A to 16F adjacent to each other on the downstream side are joined together, the joining pipes are connected to the paths 17A to 17C of the second heat exchanger 2, respectively. By adopting such a piping configuration, it is possible to equalize the refrigerant flow rate on the first heat exchanger 1 side where gas refrigerant mainly flows and the refrigerant flow rate on the second heat exchanger 2 side where liquid refrigerant mainly flows. As compared to the case where the refrigerant flow rate is different between both the heat exchangers 1 and 2 as a result of the same number of passes of the first heat exchanger 1 and the second heat exchanger 2, the heat exchange unit High heat exchange efficiency can be obtained as a whole X.

尚、この実施形態では、上記第1熱交換器1の他方の直部1bの熱交換能力が上記第2熱交換器2の他方の直部2bよりも熱交換能力が高いことを考慮して、上記ファン3の軸線L2を、上記熱交換ユニットXの中心線L1よりも上記第1側面吸込口11B寄りに偏位させて、熱交換能力が高い側へより多くの風量を流すようにしている。   In this embodiment, considering that the heat exchange capacity of the other straight part 1b of the first heat exchanger 1 is higher than that of the other straight part 2b of the second heat exchanger 2. The axis L2 of the fan 3 is displaced closer to the first side suction port 11B than the center line L1 of the heat exchange unit X so that a larger amount of air flows to the side with higher heat exchange capacity. Yes.

以上のように構成された室外機Z1では、図1に示すように、上記ファン3の運転に伴って、上記ケーシング10の各空気吸込口11A,11B,11Cからそれぞれ空気が吸込まれるが、これら各空気吸込口11A,11B,11Cからの吸込風量の相対関係は、上記ファン3の軸方向に対向している上記前面吸込口11Aは「大風量」、上記ファン3に対してその側方に位置するものの該ファン3に近い上記第1側面吸込口11Bは「中風量」、さらに上記ファン3に対してその側方に位置し且つ該ファン3から遠い上記第2側面吸込口11Cは「小風量」とされる。   In the outdoor unit Z1 configured as described above, as shown in FIG. 1, air is sucked from the air suction ports 11A, 11B, and 11C of the casing 10 as the fan 3 is operated. The relative relationship of the intake air amount from each of these air intake ports 11A, 11B, and 11C is that the front intake port 11A facing in the axial direction of the fan 3 is “large air amount”, and it is lateral to the fan 3. Although the first side suction port 11B close to the fan 3 is positioned at the “medium air volume”, the second side suction port 11C located on the side of the fan 3 and far from the fan 3 is “ “Small air volume”.

そして、この風量分布に対応するように、上記熱交換ユニットXは、「大能力」の第1熱交換部X1が「大風量」の上記前面吸込口11Aに、「中能力」の第2熱交換部X2が「中風量」の第1側面吸込口11Bに、「小能力」の第3熱交換部X3が「小風量」の上記第2側面吸込口11Cに、それぞれ臨んで配置されている。   In order to correspond to this air volume distribution, the heat exchange unit X has a “large capacity” first heat exchanging portion X1 in the “large capacity” front suction port 11A and a “medium capacity” second heat. The exchange part X2 is arranged to face the first side suction port 11B with "medium air volume" and the third heat exchange part X3 with "small capacity" faces the second side suction port 11C with "small air volume". .

この結果、この室外機Z1では、吸込風量の多少と熱交換能力の高低が対応することとなり、全体として高い熱交換効率が達成されることになる。   As a result, in this outdoor unit Z1, the amount of suction air corresponds to the level of heat exchange capacity, and high heat exchange efficiency is achieved as a whole.

II:第2の実施形態
図4には、本願発明の第2の実施形態に係る熱源ユニットとして、空気調和機の室外機Z2を示している。この室外機Z2は、その基本構成を上記第1の実施形態の室外機Z1と同じにするものであって、これと異なる点は、上記熱交換ユニットXの構成である。従って、ここでは、図4の各構成部材に、図1の各構成部材と対応させて同一符号を付すことで該第1の実施形態の該当説明を援用することでその説明を省略し、上記熱交換ユニットXの構成を中心に説明を行なう。
II: Second Embodiment FIG. 4 shows an outdoor unit Z2 of an air conditioner as a heat source unit according to a second embodiment of the present invention. The outdoor unit Z2 has the same basic configuration as the outdoor unit Z1 of the first embodiment, and is different from the outdoor unit Z1 in the configuration of the heat exchange unit X. Therefore, here, by omitting the description by using the corresponding description of the first embodiment by attaching the same reference numerals to the respective constituent members in FIG. 4 corresponding to the respective constituent members in FIG. Description will be made focusing on the configuration of the heat exchange unit X.

この実施形態の室外機Z2に備えられた熱交換ユニットXは、一列のパスをもつ一列構成のクロスフィン形熱交換器の幅方向の一端寄り部分を略直交状に屈曲させて長尺幅をもつ一方の直部1aと短尺幅をもつ他方の直部1bを備えた平面視略鉤形の第1熱交換器1と、一列のパスをもつ一列構成のクロスフィン形熱交換器の幅方向の一端寄り部分を略直交状に屈曲させて長尺幅をもつ一方の直部2aと短尺幅をもつ他方の直部2bを備えた平面視略鉤形の第2熱交換器2を備える。そして、上記第1熱交換器1の一方の直部1aと上記第2熱交換器2の一方の直部2aを、該第1熱交換器1の屈曲方向外側に上記第2熱交換器2が位置するように前後して配置し、上記第1熱交換器1の屈曲部の近傍と上記第2熱交換器2の直部2aの端部を管板14で、上記第1熱交換器1の直部1aの端部と上記第2熱交換器2の屈曲部の近傍を管板15で、それぞれ連結することで一体化され、全体として略U形の平面視形体をもつ上記熱交換ユニットXを構成している。   The heat exchanging unit X provided in the outdoor unit Z2 of this embodiment has a long width by bending a portion near one end in the width direction of a cross fin type heat exchanger having a single row structure having a single row path in a substantially orthogonal shape. A widthwise direction of a first heat exchanger 1 having a substantially bowl shape in plan view having one straight part 1a having a short width and the other straight part 1b having a short width, and a cross fin type heat exchanger having a single line structure having a single line path A second heat exchanger 2 having a substantially bowl shape in plan view is provided, which includes one straight portion 2a having a long width and the other straight portion 2b having a short width by bending a portion near one end of the first straight portion. And one straight part 1a of the first heat exchanger 1 and one straight part 2a of the second heat exchanger 2 are placed outside the second heat exchanger 2 in the bending direction of the first heat exchanger 1. And the end of the straight portion 2a of the second heat exchanger 2 is connected to the first heat exchanger 1 by the tube plate 14 between the bent portion of the first heat exchanger 1 and the end of the straight portion 2a of the second heat exchanger 2. The heat exchange unit having a substantially U-shaped planar view as a whole is integrated by connecting the end of the straight part 1a of 1 and the vicinity of the bent part of the second heat exchanger 2 with a tube plate 15, respectively. Unit X is configured.

また、上記第1熱交換器1と上記第2熱交換器2の間では、該第1熱交換器1のフィンピッチを上記第2熱交換器2のフィンピッチよりも小さくしたことで、該第1熱交換器1の熱交換能力は上記第2熱交換器2の熱交換能力よりも高く設定されている。従って、上記熱交換ユニットXにおける熱交換能力は、上記第1熱交換器1の一方の直部1aと上記第2熱交換器2の一方の直部2aが対向状態で近接配置された第1熱交換部X1では「大能力」、上記第1熱交換器1の他方の直部1bのみで構成された第2熱交換部X2では「中能力」、さらに上記第2熱交換器2の他方の直部2bのみで構成された第3熱交換部X3では「小能力」とされる。即ち、上記熱交換ユニットXは、熱交換能力の異なる三つの部分で構成される。   Further, between the first heat exchanger 1 and the second heat exchanger 2, the fin pitch of the first heat exchanger 1 is made smaller than the fin pitch of the second heat exchanger 2, The heat exchange capacity of the first heat exchanger 1 is set higher than the heat exchange capacity of the second heat exchanger 2. Therefore, the heat exchanging capacity in the heat exchange unit X is the first in which the one straight part 1a of the first heat exchanger 1 and the one straight part 2a of the second heat exchanger 2 are arranged in close proximity to each other. “High capacity” in the heat exchanging part X1, “medium capacity” in the second heat exchanging part X2 composed only of the other straight part 1b of the first heat exchanger 1, and the other of the second heat exchanger 2 In the third heat exchanging part X3 configured only by the straight part 2b, the “small capacity” is set. That is, the heat exchange unit X is composed of three parts having different heat exchange capabilities.

一方、上記ケーシング10の各空気吸込口11A,11B,11Cからの吸込風量の相対関係は、上記ファン3の軸方向に対向している上記前面吸込口11Aは「大風量」、上記ファン3に対してその側方に位置するものの該ファン3に近い上記第1側面吸込口11Bは「中風量」、さらに上記ファン3に対してその側方に位置し且つ該ファン3から遠い上記第2側面吸込口11Cは「小風量」とされる。   On the other hand, the relative relationship of the intake air amount from each air intake port 11A, 11B, 11C of the casing 10 is that the front intake port 11A facing in the axial direction of the fan 3 is “large air amount”. On the other hand, the first side surface suction port 11B close to the fan 3 but located on the side of the fan 3 is "medium air volume", and further on the second side surface located on the side of the fan 3 and far from the fan 3. The suction port 11C has a “small air volume”.

そして、この風量分布に対応するように、上記熱交換ユニットXは、「大能力」の第1熱交換部X1が「大風量」の上記前面吸込口11Aに、「中能力」の第2熱交換部X2が「中風量」の第1側面吸込口11Bに、「小能力」の第3熱交換部X3が「小風量」の上記第2側面吸込口11Cに、それぞれ臨んで配置されている。   In order to correspond to this air volume distribution, the heat exchange unit X has a “large capacity” first heat exchanging portion X1 in the “large capacity” front suction port 11A and a “medium capacity” second heat. The exchange part X2 is arranged to face the first side suction port 11B with "medium air volume" and the third heat exchange part X3 with "small capacity" faces the second side suction port 11C with "small air volume". .

この結果、この室外機Z2では、吸込風量の多少と熱交換能力の高低が対応することとなり、全体として高い熱交換効率が達成されることになる。   As a result, in this outdoor unit Z2, the amount of the suction air volume corresponds to the level of the heat exchange capacity, and high heat exchange efficiency is achieved as a whole.

III:第3の実施形態
図5には、本願発明の第3の実施形態に係る熱源ユニットとして、空気調和機の室外機Z3を示している。この室外機Z3は、その基本構成を上記第1の実施形態の室外機Z1と同じにするものであって、これと異なる点は、上記熱交換ユニットXの構成である。従って、ここでは、図5の各構成部材に、図1の各構成部材と対応させて同一符号を付すことで該第1の実施形態の該当説明を援用することでその説明を省略し、上記熱交換ユニットXの構成を中心に説明を行なう。
III: Third Embodiment FIG. 5 shows an outdoor unit Z3 of an air conditioner as a heat source unit according to a third embodiment of the present invention. The outdoor unit Z3 has the same basic configuration as the outdoor unit Z1 of the first embodiment, and is different from the outdoor unit Z1 in the configuration of the heat exchange unit X. Therefore, here, by omitting the description by using the corresponding description of the first embodiment by attaching the same reference numerals to the respective constituent members in FIG. Description will be made focusing on the configuration of the heat exchange unit X.

この実施形態の室外機Z3に備えられた熱交換ユニットXは、通風方向に前後して二列のパスをもつ二列構成のクロスフィン形熱交換器の幅方向の一端寄り部分を略直交状に屈曲させて長尺幅をもつ一方の直部1aと短尺幅をもつ他方の直部1bを備えた平面視略鉤形の第1熱交換器1と、同じく二列のパスをもつ二列構成のクロスフィン形熱交換器の幅方向の一端寄り部分を略直交状に屈曲させて長尺幅をもつ一方の直部2aと短尺幅をもつ他方の直部2bを備えた平面視略鉤形の第2熱交換器2を備える。そして、上記第1熱交換器1の一方の直部1aと上記第2熱交換器2の一方の直部2aを、該第1熱交換器1の屈曲方向外側に上記第2熱交換器2が位置するように前後して配置し、上記第1熱交換器1の屈曲部の近傍と上記第2熱交換器2の直部2aの端部を管板14で、上記第1熱交換器1の直部1aの端部と上記第2熱交換器2の屈曲部の近傍を管板15で、それぞれ連結することで一体化され、全体として略U形の平面視形体をもつ上記熱交換ユニットXを構成している。   The heat exchanging unit X provided in the outdoor unit Z3 of this embodiment has a substantially orthogonal shape near one end in the width direction of a cross fin type heat exchanger having a two-row configuration having two rows of paths before and after in the ventilation direction. The first heat exchanger 1 having a substantially bowl shape in plan view, which includes one straight portion 1a having a long width and the other straight portion 1b having a short width, and two rows having two rows of paths The cross fin type heat exchanger having the configuration has a straight portion 2a having a long width and a straight portion 2b having a short width by bending a portion near one end in the width direction substantially orthogonally. A second heat exchanger 2 of the shape is provided. And one straight part 1a of the first heat exchanger 1 and one straight part 2a of the second heat exchanger 2 are placed outside the second heat exchanger 2 in the bending direction of the first heat exchanger 1. And the end of the straight portion 2a of the second heat exchanger 2 is connected to the first heat exchanger 1 by the tube plate 14 between the bent portion of the first heat exchanger 1 and the end of the straight portion 2a of the second heat exchanger 2. The heat exchange unit having a substantially U-shaped planar view as a whole is integrated by connecting the end of the straight part 1a of 1 and the vicinity of the bent part of the second heat exchanger 2 with a tube plate 15, respectively. Unit X is configured.

また、上記第1熱交換器1と上記第2熱交換器2の間では、該第1熱交換器1のフィンピッチを上記第2熱交換器2のフィンピッチよりも小さくしたことで、該第1熱交換器1の熱交換能力は上記第2熱交換器2の熱交換能力よりも高く設定されている。   Further, between the first heat exchanger 1 and the second heat exchanger 2, the fin pitch of the first heat exchanger 1 is made smaller than the fin pitch of the second heat exchanger 2, The heat exchange capacity of the first heat exchanger 1 is set higher than the heat exchange capacity of the second heat exchanger 2.

従って、上記熱交換ユニットXにおける熱交換能力は、上記第1熱交換器1の一方の直部1aと上記第2熱交換器2の一方の直部2aが対向状態で近接配置された第1熱交換部X1では「大能力」、上記第1熱交換器1の他方の直部1bのみで構成された第2熱交換部X2では「中能力」、さらに上記第2熱交換器2の他方の直部2bのみで構成された第3熱交換部X3では「小能力」とされる。即ち、上記熱交換ユニットXは、熱交換能力の異なる三つの部分で構成される。   Therefore, the heat exchanging capacity in the heat exchange unit X is the first in which the one straight part 1a of the first heat exchanger 1 and the one straight part 2a of the second heat exchanger 2 are arranged in close proximity to each other. “High capacity” in the heat exchanging part X1, “medium capacity” in the second heat exchanging part X2 composed only of the other straight part 1b of the first heat exchanger 1, and the other of the second heat exchanger 2 In the third heat exchanging part X3 configured only by the straight part 2b, the “small capacity” is set. That is, the heat exchange unit X is composed of three parts having different heat exchange capabilities.

一方、上記ケーシング10の各空気吸込口11A,11B,11Cからの吸込風量の相対関係は、上記ファン3の軸方向に対向している上記前面吸込口11Aは「大風量」、上記ファン3に対してその側方に位置するものの該ファン3に近い上記第1側面吸込口11Bは「中風量」、さらに上記ファン3に対してその側方に位置し且つ該ファン3から遠い上記第2側面吸込口11Cは「小風量」とされる。   On the other hand, the relative relationship of the intake air amount from each air intake port 11A, 11B, 11C of the casing 10 is that the front intake port 11A facing in the axial direction of the fan 3 is “large air amount”. On the other hand, the first side surface suction port 11B close to the fan 3 but located on the side of the fan 3 is "medium air volume", and further on the second side surface located on the side of the fan 3 and far from the fan 3. The suction port 11C has a “small air volume”.

そして、この風量分布に対応するように、上記熱交換ユニットXは、「大能力」の第1熱交換部X1が「大風量」の上記前面吸込口11Aに、「中能力」の第2熱交換部X2が「中風量」の第1側面吸込口11Bに、「小能力」の第3熱交換部X3が「小風量」の上記第2側面吸込口11Cに、それぞれ臨んで配置されている。   In order to correspond to this air volume distribution, the heat exchange unit X has a “large capacity” first heat exchanging portion X1 in the “large capacity” front suction port 11A and a “medium capacity” second heat. The exchange part X2 is arranged to face the first side suction port 11B with "medium air volume" and the third heat exchange part X3 with "small capacity" faces the second side suction port 11C with "small air volume". .

この結果、この室外機Z3では、吸込風量の多少と熱交換能力の高低が対応することとなり、全体として高い熱交換効率が達成されることになる。   As a result, in this outdoor unit Z3, the amount of intake air corresponds to the level of heat exchange capacity, and high heat exchange efficiency is achieved as a whole.

IV:第4の実施形態
図6には、本願発明の第4の実施形態に係る熱源ユニットとして、空気調和機の室外機Z4を示している。この室外機Z4は、その基本構成を上記第1の実施形態の室外機Z1と同じにするものであって、これと異なる点は、上記熱交換ユニットXの構成である。従って、ここでは、図6の各構成部材に、図1の各構成部材と対応させて同一符号を付すことで該第1の実施形態の該当説明を援用することでその説明を省略し、上記熱交換ユニットXの構成を中心に説明を行なう。
IV: Fourth Embodiment FIG. 6 shows an outdoor unit Z4 of an air conditioner as a heat source unit according to a fourth embodiment of the present invention. This outdoor unit Z4 has the same basic configuration as that of the outdoor unit Z1 of the first embodiment, and is different from this in the configuration of the heat exchange unit X. Therefore, here, by omitting the description by using the corresponding description of the first embodiment by assigning the same reference numerals to the respective constituent members in FIG. Description will be made focusing on the configuration of the heat exchange unit X.

この実施形態の室外機Z4に備えられた熱交換ユニットXは、通風方向に前後して二列のパスをもつ二列構成のクロスフィン形熱交換器の幅方向の一端寄り部分を略直交状に屈曲させて長尺幅をもつ一方の直部1aと短尺幅をもつ他方の直部1bを備えた平面視略鉤形の第1熱交換器1と、一列のパスをもつ一列構成のクロスフィン形熱交換器の幅方向の両端寄り部分をそれぞれ同一方向へ略直交状に屈曲させて長尺幅をもつ中央部2aと短尺幅をもつ一方の直部2bと他方の直部2cを備えた平面視略U形の第2熱交換器2を備える。そして、上記第1熱交換器1の一方の直部1aと他方の直部1bを、上記第2熱交換器2の中央部2aと一方の直部2bの内側(通風方向下流側)に近接対向状態で配置し、上記第1熱交換器1の屈曲部の近傍と上記第2熱交換器2の一方の直部2b寄りの屈曲部の近傍を管板14で、上記第1熱交換器1の直部1aの端部と上記第2熱交換器2の上記他方の直部2c寄りの屈曲部の近傍を管板15で、それぞれ連結することで一体化され、全体として略U形の平面視形体をもつ上記熱交換ユニットXを構成している。   The heat exchange unit X provided in the outdoor unit Z4 of this embodiment has a substantially orthogonal shape near one end in the width direction of a cross fin type heat exchanger having a two-row configuration having two rows of paths before and after in the ventilation direction. The first heat exchanger 1 having a substantially bowl shape in plan view, which is provided with one straight portion 1a having a long width and the other straight portion 1b having a short width, and a single-row cross having a single-row path The fin-shaped heat exchanger is provided with a central portion 2a having a long width, a straight portion 2b having a short width, and a straight portion 2c having the short width by bending the portions near both ends in the width direction substantially orthogonally in the same direction. The second heat exchanger 2 having a substantially U shape in plan view is provided. Then, the one straight portion 1a and the other straight portion 1b of the first heat exchanger 1 are close to the central portion 2a of the second heat exchanger 2 and the inner side (downstream side in the ventilation direction) of the one straight portion 2b. It arrange | positions in the opposing state, The vicinity of the bending part of the said 1st heat exchanger 1 and the bending part near one straight part 2b of the said 2nd heat exchanger 2 are the tube plates 14, and the said 1st heat exchanger 1 by connecting the end of one straight portion 1a and the vicinity of the bent portion of the second heat exchanger 2 near the other straight portion 2c with a tube plate 15, respectively. The heat exchange unit X having a plan view shape is configured.

また、上記第1熱交換器1と上記第2熱交換器2の間では、該第1熱交換器1のフィンピッチを上記第2熱交換器2のフィンピッチよりも小さくしたこと、及び該第1熱交換器1が二列構成であるのに対して上記第2熱交換器2が一列構成であることから、該第1熱交換器1の熱交換能力は上記第2熱交換器2の熱交換能力よりも高く設定されている。   Further, between the first heat exchanger 1 and the second heat exchanger 2, the fin pitch of the first heat exchanger 1 is made smaller than the fin pitch of the second heat exchanger 2, and the Since the first heat exchanger 1 has a two-row configuration and the second heat exchanger 2 has a one-row configuration, the heat exchange capacity of the first heat exchanger 1 is the second heat exchanger 2. It is set higher than the heat exchange capacity.

従って、上記熱交換ユニットXにおける熱交換能力は、上記第1熱交換器1の一方の直部1aと上記第2熱交換器2の中央部2aが対向状態で近接配置された第1熱交換部X1、及び上記第1熱交換器1の他方の直部1bと上記第2熱交換器2の一方の直部2bが対向状態で近接配置された第2熱交換部X2では「大能力」、上記第2熱交換器2の他方の直部2cのみで構成された第3熱交換部X3では「小能力」とされる。即ち、上記熱交換ユニットXは、熱交換能力の異なる二つの部分で構成される。   Therefore, the heat exchange capacity in the heat exchange unit X is the first heat exchange in which one straight part 1a of the first heat exchanger 1 and the central part 2a of the second heat exchanger 2 are arranged in close proximity to each other. "High capacity" in the part X1, and the second heat exchange part X2 in which the other straight part 1b of the first heat exchanger 1 and the one straight part 2b of the second heat exchanger 2 are arranged in close proximity to each other The third heat exchanging part X3 configured only by the other straight part 2c of the second heat exchanger 2 is set to “small capacity”. That is, the heat exchange unit X is composed of two parts having different heat exchange capabilities.

一方、上記ケーシング10の各空気吸込口11A,11B,11Cからの吸込風量の相対関係は、上記ファン3の軸方向に対向している上記前面吸込口11Aは「大風量」、上記ファン3に対してその側方に位置するものの該ファン3に近い上記第1側面吸込口11Bは「中風量」、さらに上記ファン3に対してその側方に位置し且つ該ファン3から遠い上記第2側面吸込口11Cは「小風量」とされる。   On the other hand, the relative relationship of the intake air amount from each air intake port 11A, 11B, 11C of the casing 10 is that the front intake port 11A facing in the axial direction of the fan 3 is “large air amount”. On the other hand, the first side surface suction port 11B close to the fan 3 but located on the side of the fan 3 is "medium air volume", and further on the second side surface located on the side of the fan 3 and far from the fan 3. The suction port 11C has a “small air volume”.

そして、上記熱交換ユニットXは、「大能力」の第1熱交換部X1が「大風量」の上記前面吸込口11Aに、同じく「大能力」の第2熱交換部X2が「中風量」の第1側面吸込口11Bに、「小能力」の第3熱交換部X3が「小風量」の上記第2側面吸込口11Cに、それぞれ臨んで配置されている。   In the heat exchange unit X, the “large capacity” first heat exchange section X1 is in the “large air volume” front suction port 11A, and the “large capacity” second heat exchange section X2 is “medium air volume”. The small heat capacity third heat exchange portion X3 is disposed at the first side surface suction port 11B of the first side surface suction port 11B and faces the second side surface suction port 11C with a small air volume.

従って、この室外機Z4では、吸込風量の多少と熱交換能力の高低がほぼ対応することとなり、全体として高い熱交換効率が達成されることになる。   Therefore, in this outdoor unit Z4, the amount of the suction air volume and the level of the heat exchange capacity substantially correspond to each other, and high heat exchange efficiency is achieved as a whole.

また、上記室外機Z4の外部側から該室外機Z4へ導入される空気の経路条件によって、上記前面吸込口11A側からの吸込風量と上記第1側面吸込口11Bからの吸込風量が略均等とされるような場合、例えば、上記室外機Z4を設置したとき、上記前面吸込口11Aの外側近傍には通風の障害となる壁面が接近状態で対向しており吸込風量が減少傾向となるのに対して、上記第1側面吸込口11Bの外側には通風の障害となるものが無く吸込風量が増加傾向にあり、両者の吸込風量が略均等とされるような場合には、室外機Z4における吸込風量の多少と熱交換能力の高低が可及的に対応し、全体としてより高い熱交換効率が達成されることになる。即ち、設置場所の周囲条件に対応した仕様をもつ室外機を提供できるものである。   Further, depending on the path condition of the air introduced from the outside side of the outdoor unit Z4 to the outdoor unit Z4, the suction air amount from the front suction port 11A side and the suction air amount from the first side suction port 11B are substantially equal. In such a case, for example, when the outdoor unit Z4 is installed, the wall near the outside of the front suction port 11A is opposed in close proximity and the suction air volume tends to decrease. On the other hand, when there is no obstacle to ventilation outside the first side surface suction port 11B and the suction air volume tends to increase, and both the suction air volumes are substantially equal, in the outdoor unit Z4 The amount of suction air and the level of heat exchange capacity correspond as much as possible, and higher heat exchange efficiency is achieved as a whole. That is, an outdoor unit having specifications corresponding to the ambient conditions of the installation location can be provided.

V:第5の実施形態
図7には、本願発明の第5の実施形態に係る熱源ユニットとして、空気調和機の室外機Z5を示している。この室外機Z5は、その基本構成を上記第1の実施形態の室外機Z1と同じにするものであって、これと異なる点は、上記熱交換ユニットXの構成である。従って、ここでは、図7の各構成部材に、図1の各構成部材と対応させて同一符号を付すことで該第1の実施形態の該当説明を援用することでその説明を省略し、上記熱交換ユニットXの構成を中心に説明を行なう。
V: Fifth Embodiment FIG. 7 shows an outdoor unit Z5 of an air conditioner as a heat source unit according to a fifth embodiment of the present invention. The outdoor unit Z5 has the same basic configuration as the outdoor unit Z1 of the first embodiment, and is different from the outdoor unit Z1 in the configuration of the heat exchange unit X. Therefore, here, by omitting the explanation by using the corresponding explanation of the first embodiment by attaching the same reference numerals to the constituent members of FIG. Description will be made focusing on the configuration of the heat exchange unit X.

この実施形態の室外機Z5に備えられた熱交換ユニットXは、一列のパスをもつ一列構成のクロスフィン形熱交換器の幅方向の一端寄り部分を略直交状に屈曲させて長尺幅をもつ一方の直部1aと短尺幅をもつ他方の直部1bを備えた平面視略鉤形の第1熱交換器1と、一列のパスをもつ一列構成のクロスフィン形熱交換器の幅方向の両端寄り部分をそれぞれ同一方向へ略直交状に屈曲させて長尺幅をもつ中央部2aと短尺幅をもつ一方の直部2bと他方の直部2cを備えた平面視略U形の第2熱交換器2を備える。そして、上記第1熱交換器1の一方の直部1aと他方の直部1bを、上記第2熱交換器2の中央部2aと一方の直部2bの内側(通風方向下流側)に近接対向状態で配置し、上記第1熱交換器1の屈曲部の近傍と上記第2熱交換器2の一方の直部2b寄りの屈曲部の近傍を管板14で、上記第1熱交換器1の直部1aの端部と上記第2熱交換器2の上記他方の直部2c寄りの屈曲部の近傍を管板15で、それぞれ連結することで一体化され、全体として略U形の平面視形体をもつ上記熱交換ユニットXを構成している。   The heat exchange unit X provided in the outdoor unit Z5 of this embodiment has a long width by bending a portion near one end in the width direction of a cross fin type heat exchanger having a single row path to a substantially orthogonal shape. A widthwise direction of a first heat exchanger 1 having a substantially bowl shape in plan view having one straight part 1a having a short width and the other straight part 1b having a short width, and a cross fin type heat exchanger having a single line structure having a single line path The portions near both ends are bent substantially orthogonally in the same direction, and have a central portion 2a having a long width, one straight portion 2b having a short width, and the other straight portion 2c. Two heat exchangers 2 are provided. Then, the one straight portion 1a and the other straight portion 1b of the first heat exchanger 1 are close to the central portion 2a of the second heat exchanger 2 and the inner side (downstream side in the ventilation direction) of the one straight portion 2b. It arrange | positions in the opposing state, The vicinity of the bending part of the said 1st heat exchanger 1 and the bending part near one straight part 2b of the said 2nd heat exchanger 2 are the tube plates 14, and the said 1st heat exchanger 1 by connecting the end of one straight portion 1a and the vicinity of the bent portion of the second heat exchanger 2 near the other straight portion 2c with a tube plate 15, respectively. The heat exchange unit X having a plan view shape is configured.

また、上記第1熱交換器1と上記第2熱交換器2の間では、該第1熱交換器1のフィンピッチを上記第2熱交換器2のフィンピッチよりも小さくしたことから、該第1熱交換器1の熱交換能力は上記第2熱交換器2の熱交換能力よりも高く設定されている。   Further, since the fin pitch of the first heat exchanger 1 is made smaller than the fin pitch of the second heat exchanger 2 between the first heat exchanger 1 and the second heat exchanger 2, The heat exchange capacity of the first heat exchanger 1 is set higher than the heat exchange capacity of the second heat exchanger 2.

従って、上記熱交換ユニットXにおける熱交換能力は、上記第1熱交換器1の一方の直部1aと上記第2熱交換器2の中央部2aが対向状態で近接配置された第1熱交換部X1、及び上記第1熱交換器1の他方の直部1bと上記第2熱交換器2の一方の直部2bが対向状態で近接配置された第2熱交換部X2では「大能力」、上記第2熱交換器2の他方の直部2cのみで構成された第3熱交換部X3では「小能力」とされる。即ち、上記熱交換ユニットXは、熱交換能力の異なる二つの部分で構成される。   Therefore, the heat exchange capacity in the heat exchange unit X is the first heat exchange in which one straight part 1a of the first heat exchanger 1 and the central part 2a of the second heat exchanger 2 are arranged in close proximity to each other. "High capacity" in the part X1, and the second heat exchange part X2 in which the other straight part 1b of the first heat exchanger 1 and the one straight part 2b of the second heat exchanger 2 are arranged in close proximity to each other The third heat exchanging part X3 configured only by the other straight part 2c of the second heat exchanger 2 is set to “small capacity”. That is, the heat exchange unit X is composed of two parts having different heat exchange capabilities.

一方、上記ケーシング10の各空気吸込口11A,11B,11Cからの吸込風量の相対関係は、上記ファン3の軸方向に対向している上記前面吸込口11Aは「大風量」、上記ファン3に対してその側方に位置するものの該ファン3に近い上記第1側面吸込口11Bは「中風量」、さらに上記ファン3に対してその側方に位置し且つ該ファン3から遠い上記第2側面吸込口11Cは「小風量」とされる。   On the other hand, the relative relationship of the intake air amount from each air intake port 11A, 11B, 11C of the casing 10 is that the front intake port 11A facing in the axial direction of the fan 3 is “large air amount”. On the other hand, the first side surface suction port 11B close to the fan 3 but located on the side of the fan 3 is "medium air volume", and further on the second side surface located on the side of the fan 3 and far from the fan 3. The suction port 11C has a “small air volume”.

そして、上記熱交換ユニットXは、「大能力」の第1熱交換部X1が「大風量」の上記前面吸込口11Aに、同じく「大能力」の第2熱交換部X2が「中風量」の第1側面吸込口11Bに、「小能力」の第3熱交換部X3が「小風量」の上記第2側面吸込口11Cに、それぞれ臨んで配置されている。   In the heat exchange unit X, the “large capacity” first heat exchange section X1 is in the “large air volume” front suction port 11A, and the “large capacity” second heat exchange section X2 is “medium air volume”. The small heat capacity third heat exchange portion X3 is disposed at the first side surface suction port 11B of the first side surface suction port 11B and faces the second side surface suction port 11C with a small air volume.

従って、この室外機Z5では、吸込風量の多少と熱交換能力の高低がほぼ対応することとなり、全体として高い熱交換効率が達成されることになる。   Therefore, in this outdoor unit Z5, the amount of the intake air amount and the level of the heat exchange capacity substantially correspond to each other, and high heat exchange efficiency is achieved as a whole.

また、上記室外機Z5の外部側から該室外機Z5へ導入される空気の経路条件によって、上記前面吸込口11A側からの吸込風量と上記第1側面吸込口11Bからの吸込風量が略均等とされるような場合、例えば、上記室外機Z5を設置したとき、上記前面吸込口11Aの外側近傍には通風の障害となる壁面が接近状態で対向しており吸込風量が減少傾向となるのに対して、上記第1側面吸込口11Bの外側には通風の障害となるものが無く吸込風量が増加傾向にあり、両者の吸込風量が略均等とされるような場合には、室外機Z5における吸込風量の多少と熱交換能力の高低が可及的に対応し、全体としてより高い熱交換効率が達成されることになる。即ち、設置場所の周囲条件に対応した仕様をもつ室外機を提供できるものである。   Further, depending on the path condition of the air introduced from the outside side of the outdoor unit Z5 to the outdoor unit Z5, the suction air amount from the front suction port 11A side and the suction air amount from the first side suction port 11B are substantially equal. In such a case, for example, when the outdoor unit Z5 is installed, the wall near the outside of the front suction port 11A is opposed in close proximity, and the suction air volume tends to decrease. On the other hand, when there is no obstacle to ventilation outside the first side surface suction port 11B and the suction air volume tends to increase, and both the suction air volumes are substantially equal, in the outdoor unit Z5 The amount of suction air and the level of heat exchange capacity correspond as much as possible, and higher heat exchange efficiency is achieved as a whole. That is, an outdoor unit having specifications corresponding to the ambient conditions of the installation location can be provided.

VI:第6の実施形態
図8には、本願発明の第6の実施形態に係る熱源ユニットとして、空気調和機の室外機Z6を示している。この室外機Z6は、その基本構成を上記第1の実施形態の室外機Z1と同じにするものであって、これと異なる点は、上記熱交換ユニットXの構成である。従って、ここでは、図8の各構成部材に、図1の各構成部材と対応させて同一符号を付すことで該第1の実施形態の該当説明を援用することでその説明を省略し、上記熱交換ユニットXの構成を中心に説明を行なう。
VI: Sixth Embodiment FIG. 8 shows an outdoor unit Z6 of an air conditioner as a heat source unit according to a sixth embodiment of the present invention. The outdoor unit Z6 has the same basic configuration as the outdoor unit Z1 of the first embodiment, and is different from the outdoor unit Z1 in the configuration of the heat exchange unit X. Therefore, here, by omitting the description by using the corresponding description of the first embodiment by assigning the same reference numerals to the respective constituent members in FIG. Description will be made focusing on the configuration of the heat exchange unit X.

この実施形態の室外機Z6に備えられた熱交換ユニットXは、通風方向に二列のパスをもつ二列構成のクロスフィン形熱交換器の幅方向の両端寄り部分をそれぞれ略直交状に屈曲させて長尺幅をもつ中央部1aと短尺幅をもつ一方の直部1bと他方の直部1cを備えた平面視略U形の第1熱交換器1と、一列構成のクロスフィン形熱交換器を直状に形成してなる第2熱交換器2を備える。そして、上記第1熱交換器1の中央部1aの一方の屈曲部の近傍と上記第2熱交換器2の一端を管板14で、上記第1熱交換器1の中央部1aの他方の屈曲部の近傍と上記第2熱交換器2の他端を管板15で、それぞれ連結することで一体化され、全体として略U形の平面視形体をもつ上記熱交換ユニットXを構成している。   The heat exchange unit X provided in the outdoor unit Z6 of this embodiment is formed by bending the portions near both ends in the width direction of a cross fin type heat exchanger having a two-row configuration having two rows of paths in the ventilation direction. A first U-shaped first heat exchanger 1 having a central portion 1a having a long width, one straight portion 1b having a short width, and the other straight portion 1c, and a cross-fin heat in a single row configuration. The 2nd heat exchanger 2 formed by forming an exchanger in a straight shape is provided. And the vicinity of one bending part of the center part 1a of the said 1st heat exchanger 1 and the end of the said 2nd heat exchanger 2 are the tube sheets 14, and the other of the center part 1a of the said 1st heat exchanger 1 is used. The heat exchange unit X having a substantially U-shaped planar view as a whole is configured by connecting the vicinity of the bent portion and the other end of the second heat exchanger 2 with the tube plate 15. Yes.

また、上記第1熱交換器1と上記第2熱交換器2の間では、該第1熱交換器1のフィンピッチを上記第2熱交換器2のフィンピッチよりも小さくしたこと、及び該第1熱交換器1が二列構成であるのに対して上記第2熱交換器2が一列構成であることから、該第1熱交換器1の熱交換能力は上記第2熱交換器2の熱交換能力よりも高く設定されている。   Further, between the first heat exchanger 1 and the second heat exchanger 2, the fin pitch of the first heat exchanger 1 is made smaller than the fin pitch of the second heat exchanger 2, and the Since the first heat exchanger 1 has a two-row configuration and the second heat exchanger 2 has a one-row configuration, the heat exchange capacity of the first heat exchanger 1 is the second heat exchanger 2. It is set higher than the heat exchange capacity.

従って、上記熱交換ユニットXにおける熱交換能力は、上記第1熱交換器1の中央部1aと上記第2熱交換器2が対向状態で近接配置された第1熱交換部X1では「大能力」、上記第1熱交換器1の一方の直部1bと他方の直部1cでそれぞれ構成される第2熱交換部X2と第3熱交換部X3ではともに「小能力」とされる。即ち、上記熱交換ユニットXは、熱交換能力の異なる二つの部分で構成される。   Therefore, the heat exchanging capacity in the heat exchanging unit X is “high capacity” in the first heat exchanging part X1 in which the central part 1a of the first heat exchanger 1 and the second heat exchanger 2 are arranged in close proximity to each other. The second heat exchanging part X2 and the third heat exchanging part X3 each constituted by one straight part 1b and the other straight part 1c of the first heat exchanger 1 are both “small capacity”. That is, the heat exchange unit X is composed of two parts having different heat exchange capabilities.

一方、上記ケーシング10の各空気吸込口11A,11B,11Cからの吸込風量の相対関係は、上記ファン3の軸方向に対向している上記前面吸込口11Aは「大風量」、上記ファン3に対してその側方に位置するものの該ファン3に近い上記第1側面吸込口11Bは「中風量」、さらに上記ファン3に対してその側方に位置し且つ該ファン3から遠い上記第2側面吸込口11Cは「小風量」とされる。   On the other hand, the relative relationship of the intake air amount from each air intake port 11A, 11B, 11C of the casing 10 is that the front intake port 11A facing in the axial direction of the fan 3 is “large air amount”. On the other hand, the first side surface suction port 11B close to the fan 3 but located on the side of the fan 3 is "medium air volume", and further on the second side surface located on the side of the fan 3 and far from the fan 3. The suction port 11C has a “small air volume”.

そして、上記熱交換ユニットXは、「大能力」の第1熱交換部X1が「大風量」の上記前面吸込口11Aに、共に「小能力」の第2熱交換部X2と第3熱交換部X3が「小風量」の上記第1側面吸込口11Bと第2側面吸込口11Cに、それぞれ臨んで配置されている。   In the heat exchange unit X, the “large capacity” first heat exchange section X1 is in the “large capacity” front suction port 11A, and both the “small capacity” second heat exchange section X2 and the third heat exchange section. The portion X3 is disposed so as to face the first side surface inlet port 11B and the second side surface inlet port 11C of “small air volume”, respectively.

従って、この室外機Z6では、吸込風量の多少と熱交換能力の高低がほぼ対応することとなり、全体として高い熱交換効率が達成されることになる。   Therefore, in this outdoor unit Z6, the amount of the suction air volume and the level of the heat exchange capacity substantially correspond to each other, and high heat exchange efficiency is achieved as a whole.

また、上記室外機Z6の外部側から該室外機Z6へ導入される空気の経路条件によって、上記第1側面吸込口11B側からの吸込風量と上記第2側面吸込口11C側からの吸込風量が略均等とされるような場合、例えば、上記室外機Z6を設置したとき、上記第1側面吸込口11Bの外側近傍に通風の障害となる壁面等が存在し、該第1側面吸込口11Bが上記第2側面吸込口11Cよりも上記ファン3に近い位置にあるにも拘らずこれら両者からの吸込風量が略均等とされるような場合には、室外機Z6における吸込風量の多少と熱交換能力の高低が可及的に対応し、全体としてより高い熱交換効率が達成されることになる。即ち、設置場所の周囲条件に対応した仕様をもつ室外機を提供できるものである。   Further, depending on the path conditions of the air introduced from the outside side of the outdoor unit Z6 to the outdoor unit Z6, the amount of suction air from the first side surface suction port 11B and the amount of suction air from the second side surface suction port 11C side are For example, when the outdoor unit Z6 is installed, there is a wall or the like that obstructs ventilation in the vicinity of the outside of the first side suction port 11B, and the first side suction port 11B In the case where the suction air volume from both of the two side suction ports 11C is closer to the fan 3 than the second side suction port 11C, the heat exchange is performed with some of the suction air volume in the outdoor unit Z6. The level of capacity corresponds as much as possible, and higher heat exchange efficiency is achieved as a whole. That is, an outdoor unit having specifications corresponding to the ambient conditions of the installation location can be provided.

VII:第7の実施形態
図9には、本願発明の第7の実施形態に係る熱源ユニットとして、空気調和機の室外機Z7を示している。この室外機Z7は、その基本構成を上記第1の実施形態の室外機Z1と同じにするものであって、これと異なる点は、上記熱交換ユニットXの構成である。従って、ここでは、図9の各構成部材に、図1の各構成部材と対応させて同一符号を付すことで該第1の実施形態の該当説明を援用することでその説明を省略し、上記熱交換ユニットXの構成を中心に説明を行なう。
VII: Seventh Embodiment FIG. 9 shows an outdoor unit Z7 of an air conditioner as a heat source unit according to the seventh embodiment of the present invention. The outdoor unit Z7 has the same basic configuration as the outdoor unit Z1 of the first embodiment, and is different from the outdoor unit Z1 in the configuration of the heat exchange unit X. Therefore, here, by omitting the description by using the corresponding description of the first embodiment by assigning the same reference numerals to the respective constituent members in FIG. Description will be made focusing on the configuration of the heat exchange unit X.

この実施形態の室外機Z7に備えられた熱交換ユニットXは、一列のパスをもつ一列構成のクロスフィン形熱交換器の幅方向の両端寄り部分をそれぞれ略直交状に屈曲させて長尺幅をもつ中央部1aと短尺幅をもつ一方の直部1bと他方の直部1cを備えた平面視略U形の第1熱交換器1と、一列構成のクロスフィン形熱交換器を直状に形成してなる第2熱交換器2を備える。そして、上記第1熱交換器1の中央部1aの一方の屈曲部の近傍と上記第2熱交換器2の一端を管板14で、上記第1熱交換器1の中央部1aの他方の屈曲部の近傍と上記第2熱交換器2の他端を管板15で、それぞれ連結することで一体化され、上記熱交換ユニットXを構成している。   The heat exchange unit X provided in the outdoor unit Z7 of this embodiment has a long width by bending both end portions in the width direction of a cross-fin heat exchanger having a single row path in a substantially orthogonal shape. A first U-shaped first heat exchanger 1 having a central portion 1a having a short width, one straight portion 1b having a short width, and the other straight portion 1c, and a cross-fin heat exchanger in a single row are formed in a straight line. The 2nd heat exchanger 2 formed in is provided. And the vicinity of one bending part of the center part 1a of the said 1st heat exchanger 1 and the end of the said 2nd heat exchanger 2 are the tube sheets 14, and the other of the center part 1a of the said 1st heat exchanger 1 is used. The heat exchanger unit X is configured by integrating the vicinity of the bent portion and the other end of the second heat exchanger 2 with the tube plate 15.

また、上記第1熱交換器1と上記第2熱交換器2の間では、該第1熱交換器1のフィンピッチを上記第2熱交換器2のフィンピッチよりも小さくしたことから、該第1熱交換器1の熱交換能力は上記第2熱交換器2の熱交換能力よりも高く設定されている。   Further, since the fin pitch of the first heat exchanger 1 is made smaller than the fin pitch of the second heat exchanger 2 between the first heat exchanger 1 and the second heat exchanger 2, The heat exchange capacity of the first heat exchanger 1 is set higher than the heat exchange capacity of the second heat exchanger 2.

従って、上記熱交換ユニットXにおける熱交換能力は、上記第1熱交換器1の中央部1aと上記第2熱交換器2が対向状態で近接配置された第1熱交換部X1では「大能力」、上記第1熱交換器1の一方の直部1bと他方の直部1cでそれぞれ構成される第2熱交換部X2と第3熱交換部X3ではともに「小能力」とされる。即ち、上記熱交換ユニットXは、熱交換能力の異なる二つの部分で構成される。   Therefore, the heat exchanging capacity in the heat exchanging unit X is “high capacity” in the first heat exchanging part X1 in which the central part 1a of the first heat exchanger 1 and the second heat exchanger 2 are arranged in close proximity to each other. The second heat exchanging part X2 and the third heat exchanging part X3 each constituted by one straight part 1b and the other straight part 1c of the first heat exchanger 1 are both “small capacity”. That is, the heat exchange unit X is composed of two parts having different heat exchange capabilities.

一方、上記ケーシング10の各空気吸込口11A,11B,11Cからの吸込風量の相対関係は、上記ファン3の軸方向に対向している上記前面吸込口11Aは「大風量」、上記ファン3に対してその側方に位置するものの該ファン3に近い上記第1側面吸込口11Bは「中風量」、さらに上記ファン3に対してその側方に位置し且つ該ファン3から遠い上記第2側面吸込口11Cは「小風量」とされる。   On the other hand, the relative relationship of the intake air amount from each air intake port 11A, 11B, 11C of the casing 10 is that the front intake port 11A facing in the axial direction of the fan 3 is “large air amount”. On the other hand, the first side surface suction port 11B close to the fan 3 but located on the side of the fan 3 is "medium air volume", and further on the second side surface located on the side of the fan 3 and far from the fan 3. The suction port 11C has a “small air volume”.

そして、上記熱交換ユニットXは、「大能力」の第1熱交換部X1が「大風量」の上記前面吸込口11Aに、共に「小能力」の第2熱交換部X2と第3熱交換部X3が「小風量」の上記第1側面吸込口11Bと第2側面吸込口11Cに、それぞれ臨んで配置されている。   In the heat exchange unit X, the “large capacity” first heat exchange section X1 is in the “large capacity” front suction port 11A, and both the “small capacity” second heat exchange section X2 and the third heat exchange section. The portion X3 is disposed so as to face the first side surface inlet port 11B and the second side surface inlet port 11C of “small air volume”, respectively.

従って、この室外機Z7では、吸込風量の多少と熱交換能力の高低がほぼ対応することとなり、全体として高い熱交換効率が達成されることになる。   Therefore, in this outdoor unit Z7, the amount of the suction air volume and the level of the heat exchange capacity substantially correspond to each other, and high heat exchange efficiency is achieved as a whole.

また、上記室外機Z7の外部側から該室外機Z7へ導入される空気の経路条件によって、上記第1側面吸込口11B側からの吸込風量と上記第2側面吸込口11C側からの吸込風量が略均等とされるような場合、例えば、上記室外機Z7を設置したとき、上記第1側面吸込口11Bの外側近傍に通風の障害となる壁面等が存在し、該第1側面吸込口11Bが上記第2側面吸込口11Cよりも上記ファン3に近い位置にあるにも拘らずこれら両者からの吸込風量が略均等とされるような場合には、室外機Z7における吸込風量の多少と熱交換能力の高低が可及的に対応し、全体としてより高い熱交換効率が達成されることになる。即ち、設置場所の周囲条件に対応した仕様をもつ室外機を提供できるものである。   Further, depending on the path condition of the air introduced from the outside side of the outdoor unit Z7 to the outdoor unit Z7, the suction air volume from the first side surface suction port 11B side and the suction air volume from the second side surface suction port 11C side are For example, when the outdoor unit Z7 is installed, there is a wall surface or the like that obstructs ventilation in the vicinity of the outside of the first side suction port 11B, and the first side suction port 11B When the suction air volume from both of them is substantially equal even though the fan 3 is located closer to the fan 3 than the second side surface suction port 11C, heat exchange with some of the suction air volume in the outdoor unit Z7. The level of capacity corresponds as much as possible, and higher heat exchange efficiency is achieved as a whole. That is, an outdoor unit having specifications corresponding to the ambient conditions of the installation location can be provided.

VIII:第8の実施形態
図10には、本願発明の第8の実施形態に係る熱源ユニットとして、空気調和機の室外機Z8を示している。この室外機Z8は、その基本構成を上記第1の実施形態の室外機Z1と同じにするものであって、これと異なる点は、上記熱交換ユニットXの構成である。従って、ここでは、図10の各構成部材に、図1の各構成部材と対応させて同一符号を付すことで該第1の実施形態の該当説明を援用することでその説明を省略し、上記熱交換ユニットXの構成を中心に説明を行なう。
VIII: Eighth Embodiment FIG. 10 shows an outdoor unit Z8 of an air conditioner as a heat source unit according to an eighth embodiment of the present invention. This outdoor unit Z8 has the same basic configuration as that of the outdoor unit Z1 of the first embodiment, and is different from this in the configuration of the heat exchange unit X. Therefore, here, by omitting the explanation by using the corresponding explanation of the first embodiment by attaching the same reference numerals to the constituent members of FIG. 10 corresponding to the constituent members of FIG. Description will be made focusing on the configuration of the heat exchange unit X.

この実施形態の室外機Z8に備えられた熱交換ユニットXは、通風方向に前後して二列のパスをもつ二列構成のクロスフィン形熱交換器の幅方向の両端寄り部分をそれぞれ略直交状に屈曲させて長尺幅をもつ中央部1aと短尺幅をもつ一方の直部1bと他方の直部1cを備えた平面視略U形の第1熱交換器1と、二列構成のクロスフィン形熱交換器を直状に形成してなる第2熱交換器2を備える。そして、上記第1熱交換器1の中央部1aの一方の屈曲部の近傍と上記第2熱交換器2の一端を管板14で、上記第1熱交換器1の中央部1aの他方の屈曲部の近傍と上記第2熱交換器2の他端を管板15で、それぞれ連結することで一体化され、全体として略U形の平面視形体をもつ上記熱交換ユニットXを構成している。   The heat exchange unit X provided in the outdoor unit Z8 of this embodiment is substantially orthogonal to both end portions in the width direction of a cross-fin type heat exchanger having a two-row configuration having two rows of paths before and after in the ventilation direction. A first heat exchanger 1 having a substantially U shape in plan view, which is provided with a central portion 1a having a long width, one straight portion 1b having a short width, and the other straight portion 1c, and a two-row configuration. A second heat exchanger 2 formed by forming a cross fin heat exchanger in a straight shape is provided. And the vicinity of one bending part of the center part 1a of the said 1st heat exchanger 1 and the end of the said 2nd heat exchanger 2 are the tube sheets 14, and the other of the center part 1a of the said 1st heat exchanger 1 is used. The heat exchange unit X having a substantially U-shaped planar view as a whole is configured by connecting the vicinity of the bent portion and the other end of the second heat exchanger 2 with the tube plate 15. Yes.

また、上記第1熱交換器1と上記第2熱交換器2の間では、該第1熱交換器1のフィンピッチを上記第2熱交換器2のフィンピッチよりも小さくしたことから、該第1熱交換器1の熱交換能力は上記第2熱交換器2の熱交換能力よりも高く設定されている。   Further, since the fin pitch of the first heat exchanger 1 is made smaller than the fin pitch of the second heat exchanger 2 between the first heat exchanger 1 and the second heat exchanger 2, The heat exchange capacity of the first heat exchanger 1 is set higher than the heat exchange capacity of the second heat exchanger 2.

従って、上記熱交換ユニットXにおける熱交換能力は、上記第1熱交換器1の中央部1aと上記第2熱交換器2が対向状態で近接配置された第1熱交換部X1では「大能力」、上記第1熱交換器1の一方の直部1bと他方の直部1cでそれぞれ構成される第2熱交換部X2と第3熱交換部X3ではともに「小能力」とされる。即ち、上記熱交換ユニットXは、熱交換能力の異なる二つの部分で構成される。   Therefore, the heat exchanging capacity in the heat exchanging unit X is “high capacity” in the first heat exchanging part X1 in which the central part 1a of the first heat exchanger 1 and the second heat exchanger 2 are arranged in close proximity to each other. The second heat exchanging part X2 and the third heat exchanging part X3 each constituted by one straight part 1b and the other straight part 1c of the first heat exchanger 1 are both “small capacity”. That is, the heat exchange unit X is composed of two parts having different heat exchange capabilities.

一方、上記ケーシング10の各空気吸込口11A,11B,11Cからの吸込風量の相対関係は、上記ファン3の軸方向に対向している上記前面吸込口11Aは「大風量」、上記ファン3に対してその側方に位置するものの該ファン3に近い上記第1側面吸込口11Bは「中風量」、さらに上記ファン3に対してその側方に位置し且つ該ファン3から遠い上記第2側面吸込口11Cは「小風量」とされる。   On the other hand, the relative relationship of the intake air amount from each air intake port 11A, 11B, 11C of the casing 10 is that the front intake port 11A facing in the axial direction of the fan 3 is “large air amount”. On the other hand, the first side surface suction port 11B close to the fan 3 but located on the side of the fan 3 is "medium air volume", and further on the second side surface located on the side of the fan 3 and far from the fan 3. The suction port 11C has a “small air volume”.

そして、上記熱交換ユニットXは、「大能力」の第1熱交換部X1が「大風量」の上記前面吸込口11Aに、共に「小能力」の第2熱交換部X2と第3熱交換部X3が「小風量」の上記第1側面吸込口11Bと第2側面吸込口11Cに、それぞれ臨んで配置されている。   In the heat exchange unit X, the “large capacity” first heat exchange section X1 is in the “large capacity” front suction port 11A, and both the “small capacity” second heat exchange section X2 and the third heat exchange section. The portion X3 is disposed so as to face the first side surface inlet port 11B and the second side surface inlet port 11C of “small air volume”, respectively.

従って、この室外機Z8では、吸込風量の多少と熱交換能力の高低がほぼ対応することとなり、全体として高い熱交換効率が達成されることになる。   Therefore, in this outdoor unit Z8, the amount of the suction air volume and the level of the heat exchange capacity substantially correspond to each other, and high heat exchange efficiency is achieved as a whole.

また、上記室外機Z8の外部側から該室外機Z8へ導入される空気の経路条件によって、上記第1側面吸込口11B側からの吸込風量と上記第2側面吸込口11C側からの吸込風量が略均等とされるような場合、例えば、上記室外機Z7を設置したとき、上記第1側面吸込口11Bの外側近傍に通風の障害となる壁面等が存在し、該第1側面吸込口11Bが上記第2側面吸込口11Cよりも上記ファン3に近い位置にあるにも拘らずこれら両者からの吸込風量が略均等とされるような場合には、室外機Z8における吸込風量の多少と熱交換能力の高低が可及的に対応し、全体としてより高い熱交換効率が達成されることになる。即ち、設置場所の周囲条件に対応した仕様をもつ室外機を提供できるものである。   Further, depending on the path condition of the air introduced from the outside side of the outdoor unit Z8 to the outdoor unit Z8, the suction air volume from the first side suction port 11B side and the suction air volume from the second side suction port 11C side are For example, when the outdoor unit Z7 is installed, there is a wall surface or the like that obstructs ventilation in the vicinity of the outside of the first side suction port 11B, and the first side suction port 11B When the suction air volume from both of them is substantially equal to the second side suction port 11C even though it is closer to the fan 3, the heat exchange with some of the suction air volume in the outdoor unit Z8. The level of capacity corresponds as much as possible, and higher heat exchange efficiency is achieved as a whole. That is, an outdoor unit having specifications corresponding to the ambient conditions of the installation location can be provided.

IX:第9の実施形態
図11には、本願発明の第9の実施形態に係る熱源ユニットとして、空気調和機の室外機Z9を示している。この室外機Z9は、その基本構成を上記第1の実施形態の室外機Z1と同じにするものであって、これと異なる点は、上記熱交換ユニットXの構成である。従って、ここでは、図11の各構成部材に、図1の各構成部材と対応させて同一符号を付すことで該第1の実施形態の該当説明を援用することでその説明を省略し、上記熱交換ユニットXの構成を中心に説明を行なう。
IX: Ninth Embodiment FIG. 11 shows an outdoor unit Z9 of an air conditioner as a heat source unit according to a ninth embodiment of the present invention. The outdoor unit Z9 has the same basic configuration as that of the outdoor unit Z1 of the first embodiment, and is different from this in the configuration of the heat exchange unit X. Therefore, here, by omitting the description by using the corresponding description of the first embodiment by assigning the same reference numerals to the respective constituent members in FIG. Description will be made focusing on the configuration of the heat exchange unit X.

この実施形態の室外機Z9に備えられた熱交換ユニットXは、通風方向に二列のパスをもつ二列構成のクロスフィン形熱交換器の一端寄り部分を略直交状に屈曲させて長尺幅をもつ中央部1aと短尺幅をもつ直部1bとを備えた平面視略鉤形の第1熱交換器1と、一列構成のクロスフィン形熱交換器を、一端側を湾曲させるものの全体として略直状の平面形体をもつ第2熱交換器2を備える。そして、上記第1熱交換器1の一方の直部1aの端部に、これと略直交するようにして上記第2熱交換器2を配置し、上記第1熱交換器1の
一方の端部と上記第2熱交換器2の一端を管板15で連結することで一体化され、全体として略U形の平面視形体をもつ上記熱交換ユニットXを構成している。
The heat exchange unit X provided in the outdoor unit Z9 of this embodiment has a long length by bending a portion near one end of a cross fin type heat exchanger of a two-row configuration having two rows of paths in the direction of ventilation. The first heat exchanger 1 having a substantially bowl shape in plan view provided with a central portion 1a having a width and a straight portion 1b having a short width, and a cross-fin-shaped heat exchanger having a single row configuration as a whole are curved at one end side. As a second heat exchanger 2 having a substantially straight planar shape. And the said 2nd heat exchanger 2 is arrange | positioned in the edge part of one straight part 1a of the said 1st heat exchanger 1 so that it may be substantially orthogonal to this, and one end of the said 1st heat exchanger 1 And the one end of the second heat exchanger 2 are connected by a tube plate 15 to constitute the heat exchange unit X having a substantially U-shaped planar view as a whole.

また、上記第1熱交換器1と上記第2熱交換器2の間では、該第1熱交換器1のフィンピッチを上記第2熱交換器2のフィンピッチよりも小さくしたこと、及び該第1熱交換器1が二列構成であるのに対して上記第2熱交換器2が一列構成であることから、該第1熱交換器1の熱交換能力は上記第2熱交換器2の熱交換能力よりも高く設定されている。   Further, between the first heat exchanger 1 and the second heat exchanger 2, the fin pitch of the first heat exchanger 1 is made smaller than the fin pitch of the second heat exchanger 2, and the Since the first heat exchanger 1 has a two-row configuration and the second heat exchanger 2 has a one-row configuration, the heat exchange capacity of the first heat exchanger 1 is the second heat exchanger 2. It is set higher than the heat exchange capacity.

従って、上記熱交換ユニットXにおける熱交換能力は、上記第1熱交換器1の一方の直部1aで構成された第1熱交換部X1と他方の直部1bで構成された第2熱交換部X2では「大能力」、上記第2熱交換器2で構成された第3熱交換部X3ではともに「小能力」とされる。即ち、上記熱交換ユニットXは、熱交換能力の異なる二つの部分で構成される。   Therefore, the heat exchange capacity in the heat exchange unit X is the second heat exchange composed of the first heat exchange part X1 composed of one straight part 1a of the first heat exchanger 1 and the other direct part 1b. The part X2 is “high capacity”, and the third heat exchange part X3 configured by the second heat exchanger 2 is both “small capacity”. That is, the heat exchange unit X is composed of two parts having different heat exchange capabilities.

一方、上記ケーシング10の各空気吸込口11A,11B,11Cからの吸込風量の相対関係は、上記ファン3の軸方向に対向している上記前面吸込口11Aは「大風量」、上記ファン3に対してその側方に位置するものの該ファン3に近い上記第1側面吸込口11Bは「中風量」、さらに上記ファン3に対してその側方に位置し且つ該ファン3から遠い上記第2側面吸込口11Cは「小風量」とされる。   On the other hand, the relative relationship of the intake air amount from each air intake port 11A, 11B, 11C of the casing 10 is that the front intake port 11A facing in the axial direction of the fan 3 is “large air amount”. On the other hand, the first side surface suction port 11B close to the fan 3 but located on the side of the fan 3 is "medium air volume", and further on the second side surface located on the side of the fan 3 and far from the fan 3. The suction port 11C has a “small air volume”.

そして、上記熱交換ユニットXは、共に「大能力」の第1熱交換部X1と第2熱交換部X2がそれぞれ「大風量」の上記前面吸込口11Aと第1側面吸込口11Bに、「小能力」の第3熱交換部X3が「小風量」の上記第2側面吸込口11Cに、それぞれ臨んで配置されている。   In the heat exchange unit X, the “large capacity” first heat exchange part X1 and the second heat exchange part X2 are respectively connected to the front air inlet 11A and the first side air inlet 11B having “large air volume”. The “small capacity” third heat exchanging portion X3 is arranged facing the second side suction port 11C of “small air volume”.

従って、この室外機Z9では、吸込風量の多少と熱交換能力の高低がほぼ対応することとなり、全体として高い熱交換効率が達成されることになる。   Accordingly, in the outdoor unit Z9, the amount of the suction air volume and the level of the heat exchange capacity substantially correspond to each other, and high heat exchange efficiency is achieved as a whole.

また、上記室外機Z9の外部側から該室外機Z9へ導入される空気の経路条件によって、上記前面吸込口11A側からの吸込風量と上記第1側面吸込口11Bからの吸込風量が略均等とされるような場合、例えば、上記室外機Z9を設置したとき、上記前面吸込口11Aの外側近傍には通風の障害となる壁面が接近状態で対向しており吸込風量が減少傾向となるのに対して、上記第1側面吸込口11Bの外側には通風の障害となるものが無く吸
込風量が増加傾向にあり、両者の吸込風量が略均等とされるような場合には、室外機Z9における吸込風量の多少と熱交換能力の高低が可及的に対応し、全体としてより高い熱交換効率が達成されることになる。即ち、設置場所の周囲条件に対応した仕様をもつ室外機を提供できるものである。
Further, depending on the path condition of the air introduced from the outside side of the outdoor unit Z9 to the outdoor unit Z9, the suction air amount from the front suction port 11A side and the suction air amount from the first side suction port 11B are substantially equal. In such a case, for example, when the outdoor unit Z9 is installed, the wall near the outside of the front suction port 11A is opposed in close proximity and the suction air volume tends to decrease. On the other hand, when there is no obstacle to ventilation outside the first side surface suction port 11B and the suction air volume tends to increase, and both the suction air volumes are substantially equal, in the outdoor unit Z9 The amount of suction air and the level of heat exchange capacity correspond as much as possible, and higher heat exchange efficiency is achieved as a whole. That is, an outdoor unit having specifications corresponding to the ambient conditions of the installation location can be provided.

1 ・・第1熱交換器
2 ・・第2熱交換器
3 ・・ファン
4 ・・モータ
5 ・・羽根車
6 ・・圧縮機
7 ・・ヘッダー
8 ・・アキュムレータ
10 ・・ケーシング
11 ・・空気吸込口
12 ・・空気吹出口
14 ・・管板
15 ・・管板
16 ・・伝熱管
17 ・・伝熱管
20 ・・配管用隙間
1 .. 1st heat exchanger 2 .. 2nd heat exchanger 3 .. fan 4 .. motor 5 .. impeller 6 .. compressor 7 .. header 8 .. accumulator 10 .. casing 11 .. air Suction port 12 ・ ・ Air outlet 14 ・ ・ Tube plate 15 ・ ・ Tube plate 16 ・ ・ Heat transfer tube 17 ・ ・ Heat transfer tube 20 ・ ・ Piping gap

Claims (9)

前面(1a)に前面吸込口(11A)を、一方の側面(1b)に第1側面吸込口(11B)を、他方の側面(1c)に第2側面吸込口(11C)を、背面(1d)に空気吹出口(12)が設けられているケーシング(10)内に熱交換ユニット(X)とファン(3)を配置して構成される熱源ユニットであって、
上記熱交換ユニット(X)が、伝熱管を通風方向に前後して1列又は2列に配置した平面視略鉤形の第1熱交換器(1)と伝熱管を1列又は2列に配置した平面視略鉤形の第2熱交換器(2)とを、該第1熱交換器(1)の一方の直部(1a)と第2熱交換器(2)の一方の直部(2a)とを上記前面吸込口(11A)と対向する位置において通風方向に前後させて配置し且つ上記第1側面吸込口(11B)と対向する上記第1熱交換器(1)の他方の直部(1b)と上記第2側面吸込口(11C)と対向する上記第2熱交換器(2)の他方の直部(2b)とを熱交換器ユニット幅方向に対向するように配置して上記複数の熱交換器(1)、(2)が全体として平面視略U字形を呈するように構成されるとともに、該熱交換ユニット(X)の内側には、上記ファン(3)がその軸線を上記前面吸込口(11A)および上記空気吹出口(12)に対して直交させるように配置されていることを特徴とする熱源ユニット。
Front side suction port (11A) on front side (1a), first side side suction port (11B) on one side surface (1b), second side side suction port (11C) on the other side surface (1c), rear side (1d) ) Is a heat source unit configured by disposing a heat exchange unit (X) and a fan (3) in a casing (10) provided with an air outlet (12),
The heat exchange unit (X) includes a first heat exchanger (1) having a generally bowl shape in a plan view and arranged in one or two rows arranged in one or two rows before and after in the direction of ventilation of the heat transfer tubes. The arranged second heat exchanger (2) having a substantially bowl shape in plan view is connected to one straight part (1a) of the first heat exchanger (1) and one straight part of the second heat exchanger (2). (2a) is arranged in the airflow direction back and forth at a position facing the front suction port (11A) and the other side of the first heat exchanger (1) facing the first side suction port (11B). The direct part (1b) and the other direct part (2b) of the second heat exchanger (2) facing the second side surface suction port (11C) are arranged so as to face the heat exchanger unit width direction. The plurality of heat exchangers (1) and (2) are configured to have a substantially U-shape in plan view as a whole, and the heat exchanger unit (X) On the side, the heat source unit, characterized in that the fan (3) is its axis is arranged so as to orthogonal to the front suction port (11A) and said air outlet (12).
前面(1a)に前面吸込口(11A)を、一方の側面(1b)に第1側面吸込口(11B)を、他方の側面(1c)に第2側面吸込口(11C)を、背面(1d)に空気吹出口(12)が設けられているケーシング(10)内に熱交換ユニット(X)とファン(3)を配置して構成される熱源ユニットであって、
上記熱交換ユニット(X)が、伝熱管を通風方向に前後して1列又は2列に配置した平面視略鉤形の第1熱交換器(1)と伝熱管を1列又は2列に配置した平面視略U字形の第2熱交換器(2)とを、上記第1熱交換器(1)の一方の直部(1a)と上記第2熱交換器(2)の中央部(2a)とを上記前面吸込口(11A)と対向する位置において通風方向に前後させて配置し且つ上記第1熱交換器(1)の他方の直部(1b)と上記第2熱交換器(2)の一方の側部(2b)とを上記第1側面吸込口(11B)と対向する位置において通風方向に前後するように配置して上記複数の熱交換器(1)、(2)が全体として平面視略U字形を呈するように構成されるとともに、該熱交換ユニット(X)の内側には、上記ファン(3)がその軸線を上記前面吸込口(11A)および上記空気吹出口(12)に対して直交させるように配置されていることを特徴とする熱源ユニット。
Front side suction port (11A) on front side (1a), first side side suction port (11B) on one side surface (1b), second side side suction port (11C) on the other side surface (1c), rear side (1d) ) Is a heat source unit configured by disposing a heat exchange unit (X) and a fan (3) in a casing (10) provided with an air outlet (12),
The heat exchange unit (X) includes a first heat exchanger (1) having a generally bowl shape in a plan view and arranged in one or two rows arranged in one or two rows before and after in the direction of ventilation of the heat transfer tubes. The arranged second U-shaped second heat exchanger (2) in plan view is connected to one straight part (1a) of the first heat exchanger (1) and the central part of the second heat exchanger (2) ( 2a) is disposed so as to be moved back and forth in the ventilation direction at a position facing the front suction port (11A) and the other straight part (1b) of the first heat exchanger (1) and the second heat exchanger ( 2) is arranged so that one side (2b) of the second side is back and forth in the ventilation direction at a position facing the first side surface suction port (11B), and the plurality of heat exchangers (1) and (2) As a whole, the fan (3) is configured to have a substantially U shape in plan view, and the fan (3) is disposed on the inner side of the heat exchange unit (X). A heat source unit, characterized in that it is arranged so as to orthogonal to the front suction port (11A) and said air outlet (12).
前面(1a)に前面吸込口(11A)を、一方の側面(1b)に第1側面吸込口(11B)を、他方の側面(1c)に第2側面吸込口(11C)を、背面(1d)に空気吹出口(12)が設けられているケーシング(10)内に熱交換ユニット(X)とファン(3)を配置して構成される熱源ユニットであって、
上記熱交換ユニット(X)が、伝熱管を通風方向に前後して1列又は2列に配置した平面視略U字形の第1熱交換器(1)と伝熱管を1列又は2列に配置した平面視略直状の第2熱交換器(2)とを、上記第1熱交換器(1)の中央部(1a)と上記第2熱交換器(2)とが上記前面吸込口(11A)と対向する位置において通風方向に前後させて配置し且つ上記第1側面吸込口(11B)および第2側面吸込口(11C)とそれぞれ対向する上記第1熱交換器(1)の両方の直部(1b),(1c)を熱交換器ユニット幅方向に対向するように配置して上記複数の熱交換器(1)、(2)が全体として平面視略U字形を呈するように構成されるとともに、該熱交換ユニット(X)の内側には、上記ファン(3)がその軸線を上記前面吸込口(11A)および上記空気吹出口(12)に対して直交させるように配置されていることを特徴とする熱源ユニット。
Front side suction port (11A) on front side (1a), first side side suction port (11B) on one side surface (1b), second side side suction port (11C) on the other side surface (1c), rear side (1d) ) Is a heat source unit configured by disposing a heat exchange unit (X) and a fan (3) in a casing (10) provided with an air outlet (12),
The heat exchange unit (X) includes the first heat exchanger (1) having a substantially U shape in a plan view and the heat transfer tubes arranged in one or two rows arranged in one or two rows before and after in the direction of ventilation of the heat transfer tubes. The second heat exchanger (2) having a substantially straight shape in a plan view is arranged, and the central portion (1a) of the first heat exchanger (1) and the second heat exchanger (2) are connected to the front suction port. Both of the first heat exchangers (1) arranged in the ventilation direction at positions facing (11A) and facing the first side suction port (11B) and the second side suction port (11C), respectively. So that the plurality of heat exchangers (1), (2) as a whole have a substantially U-shape in plan view. In addition, the fan (3) has its axis line connected to the front suction port inside the heat exchange unit (X). 11A) and a heat source unit, characterized in that it is arranged so as to orthogonal to the air outlet (12).
前面(1a)に前面吸込口(11A)を、一方の側面(1b)に第1側面吸込口(11B)を、他方の側面(1c)に第2側面吸込口(11C)を、背面(1d)に空気吹出口(12)が設けられているケーシング(10)内に熱交換ユニット(X)とファン(3)を配置して構成される熱源ユニットであって、
上記熱交換器ユニット(X)が、伝熱管を通風方向に前後して2列に配置した平面視略鉤形の第1熱交換器(1)と伝熱管を1列に配置した平面視直状の第2熱交換器(2)とを、上記第1熱交換器(1)の中央部(1a)と上記第1熱交換器(1)の直部(1b)とが上記前面吸込口(11A)および上記第1側面吸込口(11B)とそれぞれ対向するように配置し且つ上記第1熱交換器(1)の一端(1c)側に上記第2熱交換器(2)を略直交状態に配置して上記複数の熱交換器(1)、(2)が全体として平面視略U字形を呈するように構成されるとともに、該熱交換ユニット(X)の内側には、上記ファン(3)がその軸線を上記前面吸込口(11A)および上記空気吹出口(12)に対して直交させるように配置されていることを特徴とする熱源ユニット。
Front side suction port (11A) on front side (1a), first side side suction port (11B) on one side surface (1b), second side side suction port (11C) on the other side surface (1c), rear side (1d) ) Is a heat source unit configured by disposing a heat exchange unit (X) and a fan (3) in a casing (10) provided with an air outlet (12),
The heat exchanger unit (X) includes a first heat exchanger (1) having a substantially bowl shape in plan view arranged in two rows before and after passing through the heat transfer tubes in a ventilation direction, and a plan view in which the heat transfer tubes are arranged in one row. The second heat exchanger (2) in the form of a central part (1a) of the first heat exchanger (1) and a straight part (1b) of the first heat exchanger (1). (11A) and the first side suction port (11B) are arranged to face each other, and the second heat exchanger (2) is substantially orthogonal to one end (1c) side of the first heat exchanger (1). The plurality of heat exchangers (1), (2) are arranged in a state so as to have a substantially U-shape in plan view as a whole, and the fan ( 3) is arranged so that its axis is orthogonal to the front inlet (11A) and the air outlet (12) Heat source unit which is characterized.
請求項1、2、3又は4において、
上記熱交換器ユニット(X)の熱交換能力が低い側の端部寄りに圧縮機(6)が配置されていることを特徴とする熱源ユニット。
In claim 1, 2, 3 or 4,
The heat source unit, wherein the compressor (6) is disposed near the end of the heat exchanger unit (X) having a lower heat exchange capacity.
請求項1、2、3又は4において、
上記ファン(3)が、上記熱交換器ユニット(X)の幅方向中央よりも熱交換能力が高い側に偏位して配置されていることを特徴とする熱源ユニット。
In claim 1, 2, 3 or 4,
The heat source unit, wherein the fan (3) is arranged to be shifted to a side having a higher heat exchange capability than the center in the width direction of the heat exchanger unit (X).
請求項1、2、3、4、5又は6において、
上記熱交換器ユニット(X)の上記第1熱交換器(1)と第2熱交換器(2)を、該各熱交換器(1)、(2)が凝縮作用を為す場合において該各熱交換器(1)、(2)のうち、熱交換能力の高い熱交換器(1又は2)が冷媒上流側に、熱交換能力の低い熱交換器(2又は1)が冷媒下流側にそれぞれ位置するとともに、熱交換能力の高い熱交換器(1又は2)内の冷媒の流れ方向と熱交換能力の低い熱交換器(2又は1)内の冷媒の流れ方向が対向するように配管接続したことを特徴とする熱源ユニット。
In claim 1, 2, 3, 4, 5 or 6,
The first heat exchanger (1) and the second heat exchanger (2) of the heat exchanger unit (X) are connected to each other when the heat exchangers (1) and (2) perform a condensing action. Of the heat exchangers (1) and (2), the heat exchanger (1 or 2) having a high heat exchange capacity is on the refrigerant upstream side, and the heat exchanger (2 or 1) having a low heat exchange capacity is on the refrigerant downstream side. The pipes are positioned so that the flow direction of the refrigerant in the heat exchanger (1 or 2) having a high heat exchange capacity and the flow direction of the refrigerant in the heat exchanger (2 or 1) having a low heat exchange capacity are opposed to each other. A heat source unit that is connected.
請求項1、2、3、4、5、6又は7において、
上記第1熱交換器(1)と第2熱交換器(2)のうち、吸込風量の多い熱交換器(1又は2)のフィンピッチを、吸込風量の少ない熱交換器(2又は1)のフィンピッチよりも小さく設定したことを特徴とする熱源ユニット。
In claim 1, 2, 3, 4, 5, 6 or 7,
Of the first heat exchanger (1) and the second heat exchanger (2), the fin pitch of the heat exchanger (1 or 2) with a large amount of suction air is used as the heat exchanger (2 or 1) with a small amount of suction air. A heat source unit characterized in that it is set smaller than the fin pitch.
請求項1、2又は3において、
上記第1熱交換器(1)と第2熱交換器(2)のうち、通風方向上流側に位置する熱交換器(1又は2)の高さ寸法を通風方向下流側に位置する熱交換器(2又は1)の高さ寸法より小さく設定し、
通風方向上流側に位置する熱交換器(1又は2)の下端と通風方向下流側に位置する熱交換器(2又は1)の下端の間に配管用空間(20)を設けたことを特徴とする熱源ユニット。
In claim 1, 2 or 3,
Of the first heat exchanger (1) and the second heat exchanger (2), the height dimension of the heat exchanger (1 or 2) located on the upstream side in the ventilation direction is the heat exchange located on the downstream side in the ventilation direction. Set smaller than the height of the vessel (2 or 1),
A piping space (20) is provided between the lower end of the heat exchanger (1 or 2) located on the upstream side in the ventilation direction and the lower end of the heat exchanger (2 or 1) located on the downstream side in the ventilation direction. Heat source unit.
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104456761A (en) * 2014-12-24 2015-03-25 海信科龙电器股份有限公司 Air conditioner outdoor unit and air conditioner
CN104501317A (en) * 2014-12-10 2015-04-08 上海科凌能源科技有限公司 Outdoor heat exchange structure for bidirectional air suction type air conditioner
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CN107461832A (en) * 2017-08-22 2017-12-12 广东美的制冷设备有限公司 Air-conditioner outdoor unit and there is its air conditioner

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CN104501317A (en) * 2014-12-10 2015-04-08 上海科凌能源科技有限公司 Outdoor heat exchange structure for bidirectional air suction type air conditioner
CN104501317B (en) * 2014-12-10 2017-02-22 上海科凌能源科技有限公司 Outdoor heat exchange structure for bidirectional air suction type air conditioner
CN104456761A (en) * 2014-12-24 2015-03-25 海信科龙电器股份有限公司 Air conditioner outdoor unit and air conditioner
WO2019151115A1 (en) * 2018-01-31 2019-08-08 ダイキン工業株式会社 Heat source unit for refrigeration device
JP2019132582A (en) * 2019-04-26 2019-08-08 ダイキン工業株式会社 Heat source unit of refrigeration device
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