JPH05231677A - Outdoor unit of air conditioner - Google Patents
Outdoor unit of air conditionerInfo
- Publication number
- JPH05231677A JPH05231677A JP4030590A JP3059092A JPH05231677A JP H05231677 A JPH05231677 A JP H05231677A JP 4030590 A JP4030590 A JP 4030590A JP 3059092 A JP3059092 A JP 3059092A JP H05231677 A JPH05231677 A JP H05231677A
- Authority
- JP
- Japan
- Prior art keywords
- duct
- outdoor unit
- component box
- reactor
- condenser
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Other Air-Conditioning Systems (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、空気調和機に係り特
に室外ユニットの電気品箱の冷却に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner, and more particularly to cooling an electric component box of an outdoor unit.
【０００２】[0002]
【従来の技術】図５ないし図７は例えば特開平３−９９
１３６号公報に示された従来の空気調和機の室外ユニッ
トの電気品箱を示す斜視図であり、図において１は内部
に圧縮機２、送風機３およびインバータ回路を収納させ
た電気品箱４を設けた室外ユニットの外筐、５はこの外
筐の一側面に形成された冷却空気流の吸込口、６はこの
吸込口５に対向するように外筐１の内側に設けられた吸
込外気中の雨水を分離するダクトで、上部は電気品箱４
の底板４ａで封塞されている。７はこのダクト６内をそ
の上部の電気品箱４内に連通する連通穴、８はこの連通
穴７から吸入された冷却空気流と衝突するよう設けた冷
却空気流中の含有雨水の分離用衝突板で、下部には水平
方向に長い長穴８ａを設けている。９は上記衝突板８の
下流側に位置するよう上記電気品箱４内に設けた電気品
取付け板、１０はこの電気品取付け板９の冷却空気流か
らの分流空気流を、その内部に通すように電気品箱４内
に別個に設けたリアクタ収納用外筐で、電気品取付け板
側開口の閉塞板１０ａと、反対側開口を室外ユニット外
筐１とで封塞され、頂壁には十字穴１０ｂを開口してい
る。１１はこの十字穴１０ａから外筐１０内へ倒立状態
に挿入されたリアクタで、基底板１１ａ、巻線部１１
ｂ、外筐１０の頂壁に重合状態で固定する取付ねじ１１
ｃより成っている。１２は集束ダクトで、上記電気品箱
４の後壁に重合状態に設けられ、かつ内部が電気品箱４
と外筐１０内からの排気口１３にそれぞれ連通され、外
筐１内の送風機３によって吸引される吸込穴１２ａを設
けている。2. Description of the Related Art FIGS. 5 to 7 show, for example, JP-A-3-99.
FIG. 1 is a perspective view showing an electrical component box of an outdoor unit of a conventional air conditioner shown in Japanese Patent Publication No. 136, in which 1 is an electrical component box 4 in which a compressor 2, a blower 3 and an inverter circuit are housed. Outer casing of the provided outdoor unit, 5 is a suction port for cooling air flow formed on one side surface of the outer casing, and 6 is a suction outside air provided inside the outer casing 1 so as to face the suction port 5. It is a duct that separates rainwater from the electric box 4
It is closed by the bottom plate 4a. Reference numeral 7 is a communication hole that communicates the inside of the duct 6 with the electric component box 4 above the duct 6. Reference numeral 8 is for separating rainwater contained in the cooling air flow provided so as to collide with the cooling air flow sucked from the communication hole 7. The collision plate has a horizontally long slot 8a at the bottom thereof. Reference numeral 9 denotes an electrical equipment mounting plate provided in the electrical equipment box 4 so as to be positioned on the downstream side of the collision plate 8. Reference numeral 10 allows the diverted airflow from the cooling airflow of the electrical equipment mounting plate 9 to pass therethrough. As described above, in the reactor housing outer casing separately provided in the electric component box 4, the electric component mounting plate side opening is closed by the closing plate 10a and the opposite side opening is closed by the outdoor unit outer casing 1, and the top wall is The cross hole 10b is opened. Reference numeral 11 denotes a reactor that is inserted into the outer casing 10 through the cross hole 10a in an inverted state, and includes a base plate 11a and a winding portion 11
b, a mounting screw 11 fixed to the top wall of the outer casing 10 in a superposed state
It is made of c. Reference numeral 12 denotes a focusing duct, which is provided on the rear wall of the electrical component box 4 in a superposed state and has an internal electrical component box 4 inside.
And a suction hole 12a that is communicated with the exhaust port 13 from the inside of the outer casing 10 and is sucked by the blower 3 inside the outer casing 1.
【０００３】上記構成において送風機３の回転による負
圧で外気が室外ユニットの外筐１に設けた吸込口５から
ダクト６を通って電気品箱４内へ進入し、衝突板の長穴
８ａを通って内部の電気品１５を冷却し、その一部はリ
アクタ収納用外筐１０内へ入り、倒立状態に支持された
リアクタ１１を冷却して排気口１４より排出される。も
う一方の冷却空気流は外筐１０の廻りを通り排気口１３
より排出される。ところで上記の冷却空気流中に含有さ
れている雨水は上記ダクト６の正面壁に衝突した際にそ
のほとんどが分離され、残りは上記の衝突板８にさえぎ
られて電気品箱４内へは雨水が進入することはない。In the above structure, the negative air generated by the rotation of the blower 3 allows the outside air to enter the electric component box 4 through the duct 6 from the suction port 5 provided in the outer casing 1 of the outdoor unit, and to enter the oblong hole 8a of the collision plate. Through this, the electric components 15 inside are cooled, and a part thereof enters the outer casing 10 for accommodating the reactor, cools the reactor 11 supported in an inverted state, and is discharged from the exhaust port 14. The other cooling air flow passes around the outer casing 10 and the exhaust port 13
More discharged. By the way, most of the rainwater contained in the cooling air flow is separated when it collides with the front wall of the duct 6, and the rest is blocked by the collision plate 8 so that the rainwater flows into the electric component box 4. Will never enter.
【０００４】[0004]
【発明が解決しようとする課題】従来の空気調和機の室
外ユニットは以上のように構成しているので、吸込口５
が１ケ所しかなく、特に台風などの風の強い時など、水
が進入するのを防ぐために、あまり吸込口を大きくする
ことができないため、発熱量の多いリアクタを冷却する
ことが困難であった。またリアクタの温度が上昇するこ
とにより、リアクタは耐熱温度の高い高価なものを使用
しなければならずコスト面でも不利であった。Since the outdoor unit of the conventional air conditioner is constructed as described above, the suction port 5
There is only one location, and it is difficult to cool the reactor that generates a large amount of heat, because the inlet cannot be made too large to prevent water from entering, especially when there is a strong wind such as a typhoon. .. Further, since the reactor temperature rises, it is necessary to use an expensive reactor having a high heat resistant temperature, which is disadvantageous in terms of cost.
【０００５】この発明は上記のような問題点を解消する
ためになされたもので、特に発熱量の多いリアクタに対
して十分な冷却効果をもち、台風などの風の強い時でも
雨水の進入をなくすことを目的とする。The present invention has been made in order to solve the above problems, and has a sufficient cooling effect especially for a reactor having a large amount of heat generation, and allows rainwater to enter even when a wind such as a typhoon is strong. The purpose is to lose.
【０００６】[0006]
【課題を解決するための手段】この発明に係る空気調和
機の室外ユニットは、圧縮機、送風機を仕切るセパレー
タを一面側とし筒状に形成した第２ダクト、この第２ダ
クト下端に対応する室外ユニット底板に設けた外気吸込
口、上記第２ダクト上面部に対応する電気品箱底面部に
設けた通風口、これら外気吸込口と第２ダクト及び通風
口とにより電気品箱を通る通風路を形成したものであ
る。An outdoor unit for an air conditioner according to the present invention includes a second duct formed in a cylindrical shape with a separator for partitioning a compressor and a blower as one side, and an outdoor unit corresponding to a lower end of the second duct. An outside air intake port provided on the unit bottom plate, a ventilation port provided on the bottom surface of the electrical component box corresponding to the upper surface of the second duct, and an ventilation passage that passes through the electrical component box is formed by the external air intake port, the second duct, and the ventilation port. It was done.
【０００７】また、この発明に係る第２の空気調和機の
室外ユニットは、圧縮機と送風機とを仕切るセパレータ
の凝縮器側に設けた切り欠き部、この切り欠き部に形成
した一側開口部を上記凝縮器へ臨ませて設置した第２ダ
クト、この第２ダクト上面に載置するよう配置した上記
電気品箱の底部に開口形成した吸込口を備え、上記凝縮
器側から取り入れた空気を第２ダクトを経て吸込口へ通
じる通風路を形成したものである。Further, the outdoor unit of the second air conditioner according to the present invention is provided with a notch portion provided on the condenser side of the separator for partitioning the compressor and the blower, and one side opening portion formed in the notch portion. A second duct installed facing the condenser, and a suction port formed at the bottom of the electric component box arranged so as to be placed on the upper surface of the second duct. The air taken in from the condenser side is provided. An air passage is formed which leads to the suction port through the second duct.
【０００８】[0008]
【作用】この発明における第１の手段ではセパレータの
凝縮器側にセパレータ自身にダクト部を形成してあり、
冷却用外気を積極的に取り入れ通風させる。In the first means of the present invention, the duct portion is formed in the separator itself on the condenser side of the separator,
The outside air for cooling is positively taken in and ventilated.
【０００９】また、この発明における第２の手段ではリ
アクタ冷却として、室外ユニット側面のダクトから冷却
空気と共に、凝縮器側からも空気を取り入れ、冷却用の
空気を通風させ、リアクタの温度上昇をおさえるもので
ある。Further, in the second means of the present invention, as reactor cooling, air is taken in from the condenser side together with cooling air from the duct on the side of the outdoor unit, and cooling air is ventilated to suppress the temperature rise of the reactor. It is a thing.
【００１０】[0010]
実施例１．以下、この発明の実施例１を図について説明
する。図１において、１６は凝縮器、１７は圧縮機室１
８と送風機室１９とを区画するセパレータ、２０はこの
セパレータ１７の凝縮器１６側に設けた第２ダクトで、
Ｌ型板金をスポット溶接などで一体に形成し、第２ダク
ト上面図２０ａを電気品箱底面部４ａに当接配置されて
いる。２１は電気品箱底面部４ａに第２ダクト２０に対
向して設けた吸込口、２２は上記第２ダクト下面図２０
ｂに対向して室外ユニット底板２３に設けた外気取り入
れ用の吸込口である。Example 1. Embodiment 1 of the present invention will be described below with reference to the drawings. In FIG. 1, 16 is a condenser and 17 is a compressor chamber 1.
8 is a separator partitioning the blower chamber 19, 20 is a second duct provided on the condenser 16 side of the separator 17,
An L-shaped sheet metal is integrally formed by spot welding or the like, and the second duct top view 20a is disposed in contact with the electrical equipment box bottom surface 4a. Reference numeral 21 is a suction port provided on the bottom surface portion 4a of the electrical component box so as to face the second duct 20, and 22 is a bottom view of the second duct.
It is a suction port provided on the outdoor unit bottom plate 23 so as to face b.
【００１１】次に実施例１の動作を説明する。送風機３
の回転による負圧で外気が室外ユニット外箱に設けた吸
込口５から第１ダクト６を通って電気品箱４内へ進入す
る。この外気の流れは、長穴８ａを通って内部の電気品
１５を冷却し、その一部リアクタ収納用外箱１０内へ入
り、倒立状態に支持されているリアクタ１１を冷却し排
気口１３より排出される。Next, the operation of the first embodiment will be described. Blower 3
Due to the negative pressure caused by the rotation of the outside air, the outside air enters the electrical component box 4 from the suction port 5 provided in the outdoor unit outer box through the first duct 6. This flow of the outside air cools the electric components 15 inside through the elongated holes 8a and partially enters the outer casing 10 for accommodating the reactor, cools the reactor 11 supported in an inverted state, and exhausts it from the exhaust port 13. Is discharged.
【００１２】また、ユニット底板２３の吸込口２２から
進入した外気は、セパレータ１７に設けた第２ダクト２
０を通り、電気品箱底面４ａの吸込口２１から電気品箱
４内へ進入し、リアクタ収納用外箱１０の側面開口を通
り排気口１３より排出される。The outside air that has entered from the suction port 22 of the unit bottom plate 23 is the second duct 2 provided in the separator 17.
0 through the suction port 21 of the bottom surface 4a of the electrical component box into the electrical component box 4 and through the side opening of the outer casing 10 for storing the reactor to be discharged from the exhaust port 13.
【００１３】実施例２．以下、この発明の実施例２を図
について説明する。図２においては、２４はセパレータ
１７の凝縮器１６側に設けた切り欠き部、２５はこの切
り欠き部２４に設けた箱型ダクトで、上記凝縮器１６表
面に臨ませて側面開口部２５ａを形成している。２５ｂ
は箱形ダクトの上面開口部で、電気品箱底面部４ａに当
接すると共に、電気品箱底面部４ａには吸込口２１を形
成している。Embodiment 2. Embodiment 2 of the present invention will be described below with reference to the drawings. In FIG. 2, reference numeral 24 is a cutout portion provided on the condenser 16 side of the separator 17, and 25 is a box-shaped duct provided in the cutout portion 24. Is forming. 25b
Is an opening on the upper surface of the box-shaped duct, which is in contact with the bottom surface portion 4a of the electrical component box and has a suction port 21 formed in the bottom portion 4a of the electrical component box.
【００１４】上記のように構成された実施例２に示す室
外ユニットにおいては、送風機３の回転による負圧で外
気が室外ユニットの外箱に設けた吸込口５からダクト６
を通って電気品箱４内へ進入した穴８ａを通って内部の
電気品１５を冷却し、その一部はリアクタ収納用外箱１
０内へ入り、倒立状態に支持されたリアクタ１１を冷却
して、排気口１３より排出される。またセパレータ１７
側の凝縮器１６から箱形ダクト２５へ進入した外気は上
面開口部２５ｂを通り、電気品箱底面部の吸込口２１か
ら電気品箱４内へ進入し、リアクタ収納用外箱１０の側
面パンチングメタルを通り排気口１３より排出される。In the outdoor unit according to the second embodiment having the above-mentioned configuration, the outside air is blown from the suction port 5 provided in the outer box of the outdoor unit by the negative pressure generated by the rotation of the blower 3.
The internal electrical component 15 is cooled through the hole 8a that has entered the electrical component box 4 through
0, the reactor 11 supported in an inverted state is cooled and discharged from the exhaust port 13. In addition, the separator 17
Outside air that has entered the box-shaped duct 25 from the condenser 16 on the side passes through the top opening 25b, enters the electrical equipment box 4 from the suction port 21 at the bottom portion of the electrical equipment box, and punches the side surface punching metal of the outer box 10 for storing the reactor. Through the exhaust port 13.
【００１５】ところで上記冷却空気中に含有されている
雨水は、まず凝縮器１６のアルミフィンでさえぎられ、
ダクト正面壁２５に衝突した際にそのほとんどが分離さ
れるため電気品箱４内へは雨水は進入することはない。The rainwater contained in the cooling air is first blocked by the aluminum fins of the condenser 16,
Most of it is separated when it collides with the front wall 25 of the duct, so that rainwater does not enter the electrical component box 4.
【００１６】[0016]
【発明の効果】以上のように、この発明の請求項１によ
れば圧縮機、送風機を仕切るセパレータを一側面とし筒
状に形成した第２ダクト、この第２ダクト下端に対応す
る室外ユニット底板に設けた外気吸込口、上記第２ダク
ト上面部に対応する電気品箱底面部に設けた通風口、こ
れら外気吸込口と第２ダクト及び通風口とにより電気品
箱を通る通風路を形成した構成にしたので、冷却効果は
極めて高く、かつ、強風をともなう雨水の進入を容易に
防ぐ効果を有するものである。As described above, according to the first aspect of the present invention, the second duct formed in a cylindrical shape with the separator for partitioning the compressor and the blower as one side, and the outdoor unit bottom plate corresponding to the lower end of the second duct. A structure in which an outside air intake port provided in the electric component box, a ventilation port provided in the bottom surface of the electric component box corresponding to the upper surface of the second duct, and an air passage that passes through the electric component box by the external air suction port, the second duct, and the ventilation port. Therefore, the cooling effect is extremely high, and it has an effect of easily preventing the intrusion of rainwater accompanied by strong wind.
【００１７】また、この発明の請求項２によれば圧縮機
と送風機とを仕切るセパレータの凝縮器側に設けた切り
欠き部、この切り欠き部に形成した一側開口部を上記凝
縮器へ臨ませて設置した第２ダクト、この第２ダクト上
面に載置するよう配置した上記電気品箱の底部に開口形
成した吸込口を備え、上記凝縮器側から取り入れた空気
を第２ダクトを経て吸込口へ通じる通風路を形成した構
成としたので、台風対策などでユニット側面のダクト部
を大きくすることができなくても、十分なリアクタ冷却
効果を有すると共に、雨水を防ぐ効果を有するものであ
る。According to a second aspect of the present invention, a notch provided on the condenser side of the separator for partitioning the compressor and the blower, and one side opening formed in the notch are provided to the condenser. It has a second duct that is installed at a minimum, and a suction port that is opened at the bottom of the electrical component box that is placed on the upper surface of the second duct, and sucks the air taken in from the condenser side through the second duct. Since it has a structure that forms a ventilation passage to the mouth, it has a sufficient reactor cooling effect and rainwater prevention effect even if the duct part on the side of the unit cannot be enlarged due to typhoon measures etc. ..
【図１】この発明の実施例１による空気調和機の室外ユ
ニットを示す要部斜視図である。FIG. 1 is a main part perspective view showing an outdoor unit of an air conditioner according to a first embodiment of the present invention.
【図２】この発明の実施例２による空気調和機の室外ユ
ニットを示す要部斜視図である。FIG. 2 is a perspective view of essential parts showing an outdoor unit of an air conditioner according to Embodiment 2 of the present invention.
【図３】図２の上面図である。FIG. 3 is a top view of FIG.
【図４】図２の要部を示す部分拡大図である。FIG. 4 is a partially enlarged view showing a main part of FIG.
【図５】従来の空気調和機の室外ユニットを示す斜視図
である。FIG. 5 is a perspective view showing an outdoor unit of a conventional air conditioner.
【図６】図５のリアクタ取付を示す要部詳細図である。FIG. 6 is a detailed view of a main part showing the attachment of the reactor of FIG.
【図７】従来の室外ユニットの断面図である。FIG. 7 is a cross-sectional view of a conventional outdoor unit.
１７ セパレータ ２０ 第２ダクト ２１ 通風口 ２２ 外気吸込口 ２４ 切り欠き部 ２５ 箱形ダクト 17 Separator 20 Second Duct 21 Ventilation Port 22 Outside Air Suction Port 24 Notch 25 Box Duct
Claims (2)
バータ回路等を内蔵した電気品箱を収納し、この電気品
箱内に他の電気品と区画した画像内にリアクタを配し、
かつ、外気を上記電気品箱のリアクタを冷却するよう取
入れるダクトを形成した室外ユニットにおいて、上記圧
縮機と送風機とを仕切るセパレータを一側面とし筒状に
形成した第２ダクト、この第２ダクト下端に対応する室
外ユニット底板に設けた外気吸込口、上記第２ダクト上
面部に対応する電気品箱底面部に設けた通風口、これら
の外気吸込口と第２ダクト及び通風口とにより電気品箱
内を通る通風路を形成したこと特徴とする空気調和機の
室外ユニット。1. An electric component box containing a compressor, a blower, a condenser, an inverter circuit, etc. is housed inside, and a reactor is arranged in an image partitioned from other electric components in the electric component box.
Also, in an outdoor unit having a duct for taking in outside air so as to cool the reactor of the electrical component box, a second duct formed in a tubular shape with a separator separating the compressor and the blower as one side surface, and this second duct An outside air intake port provided on the bottom plate of the outdoor unit corresponding to the lower end, a ventilation port provided on the bottom surface of the electrical product box corresponding to the upper surface of the second duct, and an electrical component box by these external air intake ports and the second duct and ventilation port. An outdoor unit for an air conditioner, which is characterized in that a ventilation path passing through the inside is formed.
バータ回路等を内蔵した電気品箱を収納し、この電気品
箱内にリアクタを配し、このリアクタを冷却する通風路
を形成するダクトを形成した室外ユニットにおいて、上
記圧縮機と送風機とを仕切るセパレータの凝縮器側に設
けた切り欠き部、この切り欠き部に形成した一側開口部
を上記凝縮器へ臨ませて設置した第２ダクト、この第２
ダクト上面に載置するよう配置した上記電気品箱の底部
に開口形成した吸込口を備え、上記凝縮器側から取り入
れた空気を第２ダクトを経て吸込口へ通じる通風路を形
成したことを特徴とする空気調和機の室外ユニット。2. A duct for accommodating an electric component box having a compressor, a blower, a condenser, an inverter circuit, etc. therein, a reactor arranged in the electric component box, and forming an air passage for cooling the reactor. In the outdoor unit having the above-mentioned structure, a notch portion provided on the condenser side of the separator that separates the compressor and the blower, and a second opening provided so that the one side opening formed in the notch portion faces the condenser. Duct, this second
A suction port formed in the bottom of the electric component box arranged so as to be placed on the upper surface of the duct is formed, and an air passage is formed for communicating the air taken in from the condenser side to the suction port through the second duct. The outdoor unit of the air conditioner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4030590A JPH05231677A (en) | 1992-02-18 | 1992-02-18 | Outdoor unit of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4030590A JPH05231677A (en) | 1992-02-18 | 1992-02-18 | Outdoor unit of air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05231677A true JPH05231677A (en) | 1993-09-07 |
Family
ID=12308084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4030590A Pending JPH05231677A (en) | 1992-02-18 | 1992-02-18 | Outdoor unit of air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05231677A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100452363B1 (en) * | 2002-03-11 | 2004-10-12 | 주식회사 엘지이아이 | Outdoor unit of spilt air conditioner |
| JP2012159223A (en) * | 2011-01-31 | 2012-08-23 | Fujitsu General Ltd | Air conditioner outdoor unit |
| JP2014234984A (en) * | 2013-06-05 | 2014-12-15 | 三菱電機株式会社 | Air conditioning device |
| EP3457037A4 (en) * | 2016-05-12 | 2019-05-22 | Mitsubishi Electric Corporation | Outdoor unit of air conditioner |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01166421A (en) * | 1987-12-21 | 1989-06-30 | Ngk Insulators Ltd | Pressure-resistant insulating tube for lightning insulator |
-
1992
- 1992-02-18 JP JP4030590A patent/JPH05231677A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01166421A (en) * | 1987-12-21 | 1989-06-30 | Ngk Insulators Ltd | Pressure-resistant insulating tube for lightning insulator |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100452363B1 (en) * | 2002-03-11 | 2004-10-12 | 주식회사 엘지이아이 | Outdoor unit of spilt air conditioner |
| JP2012159223A (en) * | 2011-01-31 | 2012-08-23 | Fujitsu General Ltd | Air conditioner outdoor unit |
| JP2014234984A (en) * | 2013-06-05 | 2014-12-15 | 三菱電機株式会社 | Air conditioning device |
| EP3457037A4 (en) * | 2016-05-12 | 2019-05-22 | Mitsubishi Electric Corporation | Outdoor unit of air conditioner |
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