JP4858387B2 - Air conditioner outdoor unit - Google Patents

Air conditioner outdoor unit Download PDF

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JP4858387B2
JP4858387B2 JP2007252067A JP2007252067A JP4858387B2 JP 4858387 B2 JP4858387 B2 JP 4858387B2 JP 2007252067 A JP2007252067 A JP 2007252067A JP 2007252067 A JP2007252067 A JP 2007252067A JP 4858387 B2 JP4858387 B2 JP 4858387B2
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heat exchanger
outdoor unit
bottom plate
upper heat
unit bottom
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JP2009085440A (en
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幸彦 今井
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Fujitsu General Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To prevent the longitudinal and lateral displacement of heat exchangers vertically stacked in two stages. <P>SOLUTION: In this outdoor unit in which suction openings 2, 3 and 4 are formed at right and left side faces and a back face, a supply opening 5 comprising an exhaust fan is formed on a top face, the upper heat exchanger 6 and the lower heat exchangers 7 formed into a planar polygonal shape opposed to the suction openings 2, 3 and 4, are vertically stacked in two stages inside and disposed on a bottom plate of the outdoor unit, and the upper heat exchanger 6 and the lower heat exchanger 7 are fixed to the bottom plate 10 of the outdoor unit by side plates 8, 9 disposed at both ends, the upper heat exchanger 6 and the lower heat exchanger 7 are pressed to the outdoor unit bottom plate 10 by a vertical connection plate 11 in a region corresponding to the suction opening 4 of the back faces, and the lower end of the vertical connection plate 11 is fixed to the outdoor unit bottom plate 10. <P>COPYRIGHT: (C)2009,JPO&amp;INPIT

Description

本発明は、分離型の空気調和機の室外機に係り、特に複数箇所で折れ曲がった平面多角形状の熱交換機を上下２段縦積みに取り付けた空気調和機の室外機に関するものである。   TECHNICAL FIELD The present invention relates to an outdoor unit of a separation type air conditioner, and more particularly to an outdoor unit of an air conditioner in which flat polygonal heat exchangers bent at a plurality of places are mounted in two vertical stacks.

従来、分離型空気調和機の室外機には、本体の室外機底板の上に、コンプレッサ、熱交換器、ファンモータ、制御回路ユニット等が配設されており、特に熱交換容量を大きくする場合は、複数箇所で折れ曲がった平面多角形状（例えば、コ字形状）の熱交換機を上下２段縦積みに取り付けることが行われている。   Conventionally, an outdoor unit of a separation type air conditioner has been provided with a compressor, a heat exchanger, a fan motor, a control circuit unit, etc., on the outdoor unit bottom plate of the main body, especially when increasing the heat exchange capacity. Has been installed in two vertical stacks of heat exchangers of a planar polygonal shape (for example, U-shape) bent at a plurality of locations.

図６は従来例の熱交換機の配置を示す図（例えば、特許文献１参照）であり、上熱交換機２１と下熱交換機２２は、その端部に取り付けられた側板２３，２４を連結金具２５で結合することで一体化され、下側の側板２４が連結金具で室外機底板（図示省略）に固定されている。
実開平４−７０９２５号公報 FIG. 6 is a view showing the arrangement of a conventional heat exchanger (see, for example, Patent Document 1). The upper heat exchanger 21 and the lower heat exchanger 22 have side plates 23 and 24 attached to their ends connected to connecting brackets 25. And the lower side plate 24 is fixed to an outdoor unit bottom plate (not shown) with a connecting bracket.
Japanese Utility Model Publication No. 4-70925

ところが、上記のような上下２段縦積みの熱交換器をビル用等の大型用として製造した場合、側板２３，２４の部分でのみ上熱交換器２１と下熱交換器２２を室外機底板に対して保持する構成では、搬送時や設置時に、両熱交換器２１，２２の側板２３，２４から離れた部分で左右あるいは前後のズレが発生し、破損の恐れがある。   However, when the above-described two-stage vertically stacked heat exchangers are manufactured for large buildings such as buildings, the upper heat exchanger 21 and the lower heat exchanger 22 are connected to the bottom plate of the outdoor unit only at the side plates 23 and 24. With the structure held against the above, at the time of transportation or installation, the left / right or front / rear misalignment occurs at the portions away from the side plates 23, 24 of both heat exchangers 21, 22, and there is a risk of damage.

本発明の目的は、搬送や移動の際でも上下２段縦積みの熱交換器にズレが発生しないようにした空気調和機の室外機を提供することである。   An object of the present invention is to provide an outdoor unit of an air conditioner that prevents a deviation from occurring in a heat exchanger that is vertically stacked in two stages, even during conveyance and movement.

上記目的を達成するために、請求項１にかかる発明の空気調和機の室外機は、左右側面および背面に吸込口を設け、上面に排気ファンを備える吹出口を設け、内部には、前記各吸込口に対向するよう平面多角形に形成された上熱交換器と下熱交換器を上下２段縦積みで室外機底板上に設置し、且つ前記上熱交換機および前記下熱交換機をその両端に設けられた側板によって室外機底板に対して固定した空気調和機の室外機において、前記上熱交換器と前記下熱交換器を、前記いずれか１つ以上の吸込口に対応する領域で、上下接続板により、前記室外機底板に固定してなり、前記上下接続板は、コ字形状の板金製でなり、該コ字形状部分が前記上熱交換器と前記下熱交換器をまとめて挟むように前記上熱交換器の上から前記上熱交換器と前記下熱交換器のフィンの隙間に嵌め込まれ、下端が前記室外機底板に固定されていることを特徴とする。
請求項２にかかる発明の空気調和機の室外機は、左右側面および背面に吸込口を設け、上面に排気ファンを備える吹出口を設け、内部には、前記各吸込口に対向するよう平面多角形に形成された上熱交換器と下熱交換器を上下２段縦積みで室外機底板上に設置し、且つ前記上熱交換機および前記下熱交換機をその両端に設けられた側板によって室外機底板に対して固定した空気調和機の室外機において、前記上熱交換器と前記下熱交換器を、前記いずれか１つ以上の吸込口に対応する領域で、上下接続板により、前記室外機底板に固定してなり、前記上下接続板は、上端がＬ字形状に形成された２枚の板金製の接続板でなり、一方の接続板をそのＬ字形状の先端が前記上熱交換機の上側伝熱管に乗るように前記上下２段縦積みの上熱交換器と下熱交換器の内側から押し当て、他方の接続板をそのＬ字形状の先端が前記上熱交換機の上側伝熱管に乗るように前記上下２段縦積みの上熱交換器と下熱交換器の外側から押し当て、前記２枚の接続板の下端を前記室外機底板にそれぞれ固定したことを特徴とする。
In order to achieve the above object, an outdoor unit of an air conditioner according to a first aspect of the present invention is provided with suction ports on the left and right side surfaces and the back surface, and provided with an air outlet provided with an exhaust fan on the top surface. An upper heat exchanger and a lower heat exchanger formed in a plane polygon so as to face the suction port are installed on the outdoor unit bottom plate in a two-stage vertical stack, and the upper heat exchanger and the lower heat exchanger are installed at both ends thereof. In the outdoor unit of the air conditioner fixed to the outdoor unit bottom plate by the side plate provided in the upper heat exchanger and the lower heat exchanger in a region corresponding to any one or more of the suction ports, The upper and lower connection plates are fixed to the outdoor unit bottom plate by upper and lower connection plates, and the upper and lower connection plates are made of a U-shaped sheet metal, and the U-shaped portion collectively combines the upper heat exchanger and the lower heat exchanger. The upper heat exchanger and the above from above the upper heat exchanger so as to sandwich Fitted in the gap of the fins of the heat exchanger, the lower end is characterized in that it is fixed to the outdoor unit bottom plate.
An outdoor unit of an air conditioner according to a second aspect of the present invention is provided with suction ports on the left and right side surfaces and the back surface, and provided with an air outlet provided with an exhaust fan on the upper surface. An upper heat exchanger and a lower heat exchanger formed in a square shape are installed on an outdoor unit bottom plate in a two-stage vertical stack, and the upper heat exchanger and the lower heat exchanger are installed by side plates provided at both ends thereof. An outdoor unit of an air conditioner fixed to a bottom plate, wherein the upper heat exchanger and the lower heat exchanger are arranged in an area corresponding to any one or more of the suction ports by the upper and lower connection plates. The upper and lower connection plates are fixed to a bottom plate, and the upper and lower connection plates are made of two sheet metal connection plates whose upper ends are formed in an L shape, and one of the connection plates has an L shape at the tip of the upper heat exchanger. An upper heat exchanger in the upper and lower two-stage stack so as to get on the upper heat transfer tube; The upper and lower two-stage stacked upper and lower heat exchangers are pressed from the inside of the heat exchanger and the other connecting plate is placed on the upper heat transfer tube of the upper heat exchanger with the L-shaped tip thereof Pressing from the outside, the lower ends of the two connection plates are respectively fixed to the outdoor unit bottom plate .

本発明によれば、上下２段縦積みの熱交換器の室外機吸込口に対応する領域部分が上下接続板によって室外機底板に固定されるので、搬送や移動の際でも、両熱交換器の側板から離れた部分で前後左右のズレが発生することが防止される。また、上下接続板は、コ字形状の板金あるいはコ字形状を２分割した板金で形成することができ、簡単な構造であるので、大きなコスト増を招く恐れもない。   According to the present invention, the region portion corresponding to the outdoor unit suction port of the two-stage vertically stacked heat exchanger is fixed to the outdoor unit bottom plate by the upper and lower connection plates. It is possible to prevent the front / rear / left / right misalignment from occurring at a portion away from the side plate. Further, the upper and lower connecting plates can be formed of a U-shaped sheet metal or a sheet metal obtained by dividing the U-shape into two parts, and since it has a simple structure, there is no risk of a significant increase in cost.

図１は室外機の外観を示す斜視図、図２は一部切り欠けの同斜視図である。図１，２において、１は制御回路ユニットやコンプレッサ等が配置される正面、２は左側吸込口、３は右側吸込口、４は背面吸込口、５は排気ファンを備えた上面吹出口である。   FIG. 1 is a perspective view showing an appearance of an outdoor unit, and FIG. 2 is a perspective view with a part cut away. 1 and 2, 1 is a front surface on which a control circuit unit, a compressor, and the like are arranged, 2 is a left suction port, 3 is a right suction port, 4 is a rear suction port, and 5 is an upper surface outlet provided with an exhaust fan. .

左側吸込口２、右側吸込口３、および背面吸込口４の内側には、図３に示すように、上面コ字形状の上熱交換器６と下熱交換機７が上下２段縦積みで配置されている。この両熱交換器６，７の左右の端部には、側板８，９がそれぞれ取り付けられ、この側板８，９は図６の符号２５で示したような連結板（図示省略）によって一体化されている。そして、下熱交換器７の側板９の下端が、室外機底板１０に別の連結板（図示省略）で固定されている。これにより、上熱交換器６と下熱交換機７は、その両端が、側板８，９によって室外機底板１０に対して固定された状態にある。   As shown in FIG. 3, an upper heat exchanger 6 and a lower heat exchanger 7 are arranged in two upper and lower stages inside the left suction port 2, the right suction port 3, and the rear suction port 4. Has been. Side plates 8 and 9 are respectively attached to the left and right ends of the heat exchangers 6 and 7, and these side plates 8 and 9 are integrated by a connecting plate (not shown) as indicated by reference numeral 25 in FIG. Has been. The lower end of the side plate 9 of the lower heat exchanger 7 is fixed to the outdoor unit bottom plate 10 with another connecting plate (not shown). Thereby, both ends of the upper heat exchanger 6 and the lower heat exchanger 7 are fixed to the outdoor unit bottom plate 10 by the side plates 8 and 9.

図３において、１１は本発明の実施例のコ字形状の上下接続板である。この上下接続板１１は、その内寸高さが、室外機底板１０から縦積みの上熱交換器６の最上の伝熱管６ａの上端までの寸法に合わされ、その内寸幅が、上熱交換器６と下熱交換機７の伝熱管の横幅寸法に合わされている。そして、下端には室外機底板１０への取付用の取付片１１ａ，１１ｂが形成されている。   In FIG. 3, reference numeral 11 denotes a U-shaped upper and lower connecting plate according to an embodiment of the present invention. The upper and lower connecting plates 11 have an inner height matched to the size from the outdoor unit bottom plate 10 to the upper end of the uppermost heat transfer tube 6a of the vertically stacked upper heat exchanger 6, and the inner width is the upper heat exchange. The horizontal width of the heat transfer tubes of the heat exchanger 6 and the lower heat exchanger 7 is adjusted. At the lower end, attachment pieces 11a and 11b for attachment to the outdoor unit bottom plate 10 are formed.

本実施例では、この上下接続板１１を、縦積みの上熱交換器６と下熱交換機７における、背面吸込口４に対応する領域の例えば略中央において、図３に示すように、上から上熱交換器６と下熱交換機７を挟むように挿入し、取付片１１ａ，１１ｂを室外機底板１０にビス止めする。   In the present embodiment, the upper and lower connecting plates 11 are arranged from the top as shown in FIG. Insert the upper heat exchanger 6 and the lower heat exchanger 7 so as to sandwich them, and fix the mounting pieces 11a, 11b to the outdoor unit bottom plate 10 with screws.

これにより、上下接続板１１は、図４に示すように、上熱交換器６と下熱交換機７のフィンの隙間に挿入され、上熱交換器６の最も上側の伝熱管６ａを下方向に押し下げ、上熱交換器６と下熱交換機７を室外機底板１０に押し付けて保持する。よって、上熱交換器６と下熱交換機７の略中央部分の前後左右へのズレが防止される。なお、この上下接続板１１は１個に限られず、２個以上を用いて適宜配置して、上熱交換器６と下熱交換器７を固定してもよい。   Thereby, as shown in FIG. 4, the upper and lower connecting plates 11 are inserted into the gaps between the fins of the upper heat exchanger 6 and the lower heat exchanger 7, and the upper heat transfer tube 6 a of the upper heat exchanger 6 is directed downward. The upper heat exchanger 6 and the lower heat exchanger 7 are pressed against the outdoor unit bottom plate 10 and held. Therefore, the shift | offset | difference to the front and rear, right and left of the approximate center part of the upper heat exchanger 6 and the lower heat exchanger 7 is prevented. The upper and lower connecting plates 11 are not limited to one, and may be appropriately arranged using two or more, and the upper heat exchanger 6 and the lower heat exchanger 7 may be fixed.

図５において、１２は本発明の別の実施例の上下接続板を示す図である。ここでは、上下接続板１２を２個に分割して、上端１２ｃ，１２ｄがＬ字形状となった板金製の接続板１２Ａ，１２Ｂとする。なお、この接続板１２Ａ，１２Ｂの内側は伝熱管の配管形状に合わせてカットする。   In FIG. 5, 12 is a figure which shows the up-and-down connection board of another Example of this invention. Here, the upper and lower connection plates 12 are divided into two, and the upper and lower ends 12c and 12d are formed as sheet metal connection plates 12A and 12B having an L shape. In addition, the inside of these connection plates 12A and 12B is cut according to the piping shape of the heat transfer tube.

そして、この接続板１２Ａ，１２Ｂを、縦積みの上熱交換器６と下熱交換機７における、背面吸込口４に対応する領域の例えば略中央において、Ｌ字形状の上端１２ｃ，１２ｄの先端が上熱交換機６の上側の伝熱管６ａに乗るように、前後からそれぞれ押し当てて、取付片１２ａ，１２ｂを室外機底板１０にビス止めする。   The connection plates 12A and 12B are connected to the upper ends 12c and 12d of the L-shape, for example, at approximately the center of the region corresponding to the rear suction port 4 in the vertically stacked upper heat exchanger 6 and lower heat exchanger 7. The mounting pieces 12 a and 12 b are screwed to the outdoor unit bottom plate 10 by pressing from the front and rear so as to get on the upper heat transfer tube 6 a of the upper heat exchanger 6.

これにより、接続板１２Ａ，１２Ｂは、上熱交換器６と下熱交換機７のフィンの隙間に挿入され、上熱交換器６の上側の前後の冷媒管６ａを下方向に押し下げることにより、上熱交換器６と下熱交換機７を室外機底板１０に押し付けて保持する。よって、上熱交換器６と下熱交換機７の略中央部分の前後左右へのズレが防止される。なお、本実施例の上下接続板１２は、一方の接続板１２Ａと他方の接続板１２Ｂを必ずしも対向させて取り付ける必要はない。   Accordingly, the connection plates 12A and 12B are inserted into the gaps between the fins of the upper heat exchanger 6 and the lower heat exchanger 7, and the upper and lower refrigerant tubes 6a on the upper side of the upper heat exchanger 6 are pushed downward to The heat exchanger 6 and the lower heat exchanger 7 are pressed against the outdoor unit bottom plate 10 and held. Therefore, the shift | offset | difference to the front and rear, right and left of the approximate center part of the upper heat exchanger 6 and the lower heat exchanger 7 is prevented. Note that the upper and lower connection plates 12 of this embodiment do not necessarily have to be attached with one connection plate 12A and the other connection plate 12B facing each other.

なお、この上下接続板１２は、上熱交換器６と下熱交換器７における、室外機の背面吸込口４に対応する領域に限られず、背面吸込口４、左側吸込口２、右側吸込口３のいずれか１以上に対応する領域に取り付けても良い。   The upper and lower connection plates 12 are not limited to the region corresponding to the rear air inlet 4 of the outdoor unit in the upper heat exchanger 6 and the lower heat exchanger 7, and the rear air inlet 4, the left air inlet 2, and the right air inlet You may attach to the area | region corresponding to any one or more of three.

室外機の斜視図である。It is a perspective view of an outdoor unit. 室外機の一部切り欠きの斜視図である。図である。It is a perspective view of a notch of the outdoor unit. FIG. 本発明の実施例の上下接続板の取付説明図である。It is attachment explanatory drawing of the upper-lower connection board of the Example of this invention. 同実施例の上下接続板により保持した上下２段縦積み熱交換機の斜視図である。It is a perspective view of the upper and lower two-stage vertically stacked heat exchanger held by the upper and lower connection plates of the same embodiment. 別の実施例の上下接続板の取付説明図である。It is attachment explanatory drawing of the upper-lower connection board of another Example. 従来の熱交換機の保持の一部斜視図である。It is a partial perspective view of holding | maintenance of the conventional heat exchanger.

符号の説明Explanation of symbols

１：正面、２：左側吸込口、３：右側吸込口、４：背面吸込口、５：上面吹出口、６：上熱交換機、６ａ：伝熱管、７：下熱交換機、８，９：側板、１０：室外機底板、１１：上下接続板、１１ａ，１１ｂ：取付片、１２：上下接続板、１２Ａ，１２Ｂ：接続板、１２ａ，１２ｂ：取付片、１２ｃ，１２ｄ：上端。   1: Front, 2: Left inlet, 3: Right inlet, 4: Back inlet, 5: Top outlet, 6: Upper heat exchanger, 6a: Heat transfer pipe, 7: Lower heat exchanger, 8, 9: Side plate 10: outdoor unit bottom plate, 11: vertical connection plate, 11a, 11b: mounting piece, 12: vertical connection plate, 12A, 12B: connection plate, 12a, 12b: mounting piece, 12c, 12d: upper end.

Claims (2)

左右側面および背面に吸込口を設け、上面に排気ファンを備える吹出口を設け、内部には、前記各吸込口に対向するよう平面多角形に形成された上熱交換器と下熱交換器を上下２段縦積みで室外機底板上に設置し、且つ前記上熱交換機および前記下熱交換機をその両端に設けられた側板によって室外機底板に対して固定した空気調和機の室外機において、
前記上熱交換器と前記下熱交換器を、前記いずれか１つ以上の吸込口に対応する領域で、上下接続板により、前記室外機底板に固定してなり、
前記上下接続板は、コ字形状の板金製でなり、該コ字形状部分が前記上熱交換器と前記下熱交換器をまとめて挟むように前記上熱交換器の上から前記上熱交換器と前記下熱交換器のフィンの隙間に嵌め込まれ、下端が前記室外機底板に固定されていることを特徴とする空気調和機の室外機。 Suction ports are provided on the left and right side surfaces and the back surface, and an air outlet provided with an exhaust fan is provided on the top surface. Inside, an upper heat exchanger and a lower heat exchanger formed in a plane polygon so as to face each of the suction ports are provided. In the outdoor unit of the air conditioner that is installed on the outdoor unit bottom plate in two vertical stacks, and that the upper heat exchanger and the lower heat exchanger are fixed to the outdoor unit bottom plate by side plates provided at both ends thereof,
The upper heat exchanger and the lower heat exchanger are fixed to the outdoor unit bottom plate by upper and lower connection plates in a region corresponding to any one or more suction ports ,
The upper and lower connecting plates are made of U-shaped sheet metal, and the upper heat exchange from above the upper heat exchanger so that the U-shaped portion sandwiches the upper heat exchanger and the lower heat exchanger together. An outdoor unit for an air conditioner, wherein the outdoor unit is fitted in a gap between a fin and a fin of the lower heat exchanger, and a lower end is fixed to the outdoor unit bottom plate . 左右側面および背面に吸込口を設け、上面に排気ファンを備える吹出口を設け、内部には、前記各吸込口に対向するよう平面多角形に形成された上熱交換器と下熱交換器を上下２段縦積みで室外機底板上に設置し、且つ前記上熱交換機および前記下熱交換機をその両端に設けられた側板によって室外機底板に対して固定した空気調和機の室外機において、
前記上熱交換器と前記下熱交換器を、前記いずれか１つ以上の吸込口に対応する領域で、上下接続板により、前記室外機底板に固定してなり、
前記上下接続板は、上端がＬ字形状に形成された２枚の板金製の接続板でなり、一方の接続板をそのＬ字形状の先端が前記上熱交換機の上側伝熱管に乗るように前記上下２段縦積みの上熱交換器と下熱交換器の内側から押し当て、他方の接続板をそのＬ字形状の先端が前記上熱交換機の上側伝熱管に乗るように前記上下２段縦積みの上熱交換器と下熱交換器の外側から押し当て、前記２枚の接続板の下端を前記室外機底板にそれぞれ固定したことを特徴とする空気調和機の室外機。 Suction ports are provided on the left and right side surfaces and the back surface, and an air outlet provided with an exhaust fan is provided on the top surface. Inside, an upper heat exchanger and a lower heat exchanger formed in a plane polygon so as to face each of the suction ports are provided. In the outdoor unit of the air conditioner that is installed on the outdoor unit bottom plate in two vertical stacks, and that the upper heat exchanger and the lower heat exchanger are fixed to the outdoor unit bottom plate by side plates provided at both ends thereof,
The upper heat exchanger and the lower heat exchanger are fixed to the outdoor unit bottom plate by upper and lower connection plates in a region corresponding to any one or more suction ports,
The upper and lower connection plates are made of two sheet metal connection plates whose upper ends are formed in an L shape, and one of the connection plates is placed on the upper heat transfer tube of the upper heat exchanger. The upper and lower two tiers are pressed from the inside of the upper and lower heat exchangers of the upper and lower two tiers, and the other connecting plate is placed on the upper heat transfer tube of the upper heat exchanger so that the L-shaped tip is on the upper heat exchanger tube An outdoor unit for an air conditioner , which is pressed from the outside of a vertically stacked upper heat exchanger and a lower heat exchanger, and the lower ends of the two connection plates are fixed to the outdoor unit bottom plate, respectively .
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