JPH0579661A - Outdoor unit for air-conditioning machine and electric appliance therefor - Google Patents
Outdoor unit for air-conditioning machine and electric appliance thereforInfo
- Publication number
- JPH0579661A JPH0579661A JP23961891A JP23961891A JPH0579661A JP H0579661 A JPH0579661 A JP H0579661A JP 23961891 A JP23961891 A JP 23961891A JP 23961891 A JP23961891 A JP 23961891A JP H0579661 A JPH0579661 A JP H0579661A
- Authority
- JP
- Japan
- Prior art keywords
- box
- outdoor unit
- duct
- blower
- electric
- 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
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は空気調和機の室外ユニ
ットに係り、特に電気品の配置構造に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outdoor unit of an air conditioner, and more particularly to an arrangement structure of electric components.
【０００２】[0002]
【従来の技術】図１２は同出願人の先に出願した例えば
特願平１−２３３７３７号明細書に示された従来の空気
調和機室外ユニットの電気品配置構造を示す斜視図であ
り、１は室外ユニット外箱、２は圧縮機、３は送風機で
ある。４は内部インバータ回路を収納した電気品箱で側
板４ａ、４ｂの底板４ｃにより、送風機室５、機械室６
と完全に仕切られ区画されている。この電気品箱４の内
部には、インバータ回路に必要な電気部品が配設されて
おり、側板４ａ、４ｂと底板４ｃにまたがって折曲した
形になっているリアクター保持具１７により倒立状態で
取付けられるリアクタ１２と底板４ｃに保持具（図示せ
ず）を介して垂直に支持されるコンデンサ１３、ノイズ
フィルタ１４と、側板４ａに沿う格好で、基板保持具
（図示せず）を介して支持される電子制御基板１５など
により電気品室１６を構成している。このとき電気品室
１６は、室外ユニット外箱１と前面パネル１ｃにより、
完全に密閉された状態となっている。2. Description of the Related Art FIG. 12 is a perspective view showing an electric component arrangement structure of a conventional air conditioner outdoor unit disclosed in, for example, Japanese Patent Application No. 1-233737 filed by the same applicant. Is an outdoor unit outer box, 2 is a compressor, and 3 is a blower. Reference numeral 4 is an electric component box containing an internal inverter circuit, and the blower room 5 and the machine room 6 are provided by the bottom plates 4c of the side plates 4a and 4b.
And is completely partitioned and divided. Inside the electric component box 4, electric components necessary for the inverter circuit are arranged, and in an inverted state by a reactor holder 17 which is bent over the side plates 4a and 4b and the bottom plate 4c. A capacitor 13 and a noise filter 14 which are vertically supported by a reactor 12 and a bottom plate 4c, which are mounted via a holder (not shown), and a side plate 4a, which are supported by a substrate holder (not shown). The electrical control board 15 and the like constitute an electrical equipment room 16. At this time, the electrical equipment room 16 is composed of the outdoor unit outer box 1 and the front panel 1c.
It is completely sealed.
【０００３】以上の構成において、送風機３が回転する
と送風機室５が負圧となる為、外気が吸込ダクト７、吸
込穴８を通って電気品室１６へ侵入し、電子制御基板１
５、ノイズフィルタ１４、コンデンサ１３、リアクタ１
２を冷却して、排気穴１０、排気ダクト９を通って送風
機室５へ排出される。In the above structure, when the blower 3 rotates, the blower chamber 5 has a negative pressure, so that the outside air enters the electric article chamber 16 through the suction duct 7 and the suction hole 8 and the electronic control board 1
5, noise filter 14, capacitor 13, reactor 1
2 is cooled and discharged to the blower chamber 5 through the exhaust hole 10 and the exhaust duct 9.
【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
外ユニットに収納される電気品は以上のように構成され
ているので、多量の熱を発生するリアクタなどにより電
気品室内の温度が上昇し、過負荷状態においては通風量
不足という事態が懸念される。またリアクタと電子制御
基板が隣接しているため、リアクタの磁気が電子制御基
板へ悪影響を及ぼす可能性もあり、また、電子制御基板
に接近してコンデンサ、ノイズフィルタが配設されてい
る為、特に電子制御基板の点検、交換作業などのサービ
ス性が低下するなどの問題点があった。Since the electrical components housed in the outdoor unit of the conventional air conditioner are configured as described above, the temperature inside the electrical component room rises due to a reactor that generates a large amount of heat. However, there is a concern that the amount of ventilation will be insufficient in the overloaded state. Also, since the reactor and the electronic control board are adjacent to each other, the magnetism of the reactor may adversely affect the electronic control board.Because the capacitor and the noise filter are arranged close to the electronic control board, In particular, there has been a problem that serviceability such as inspection and replacement of the electronic control board is deteriorated.
【０００５】また、雨天時の運転の際、送風機の回転に
伴い雨水が送風機の回転遠心方向に飛び散り、この遠心
方向に対し直角状態に配置された電気品箱側板に激しく
ぶつかり、この勢いにより雨水が排気ダクトを通過し排
気穴より電気品箱内に侵入し漏電事故を起こすという問
題があった。Further, during operation in rainy weather, rainwater is scattered in the centrifugal direction of rotation of the blower as the blower rotates, and violently hits the side plate of the electrical equipment box arranged at a right angle to this centrifugal direction. However, there was a problem in that the electric vehicle passed through the exhaust duct and entered the electrical component box through the exhaust hole, resulting in an electric leakage accident.
【０００６】この発明は上記のような問題点を解決する
ためになされたもので、請求項１では電子制御基板をリ
アクタなど他の電気部品や外部からのノイズ磁気や発生
する熱から保護することを目的とする。The present invention has been made to solve the above problems, and in the present invention, the electronic control board is protected from other electric parts such as a reactor and noise magnetism and heat generated from the outside. With the goal.
【０００７】また、請求項２では、電子制御基板の点
検、交換作業などのサービス性を向上させることを目的
としている。Further, the second object of the present invention is to improve serviceability such as inspection and replacement work of the electronic control board.
【０００８】また、請求項３では室外機の送風機室内に
侵入した雨水が電気品箱内に侵入することを防止するも
のであり、かつ、構造が簡単であり安価な電気品箱を得
ることを目的とする。According to the third aspect of the present invention, rainwater that has entered the blower chamber of the outdoor unit is prevented from entering the electrical equipment box, and the electrical equipment box has a simple structure and is inexpensive. To aim.
【０００９】また、請求項４では過負荷状態においても
冷却効果の高い通風機構を提供することを目的とする。It is another object of the present invention to provide a ventilation mechanism having a high cooling effect even in an overloaded state.
【００１０】[0010]
【課題を解決するための手段】この発明に係る請求項１
の空気調和機の室外ユニットは圧縮機、送風機、熱交換
器及びインバータ等の電気部品を収納し、コンデンサ、
ノイズフィルタ、リレー等の主電気部品を収納すると共
に、隅部に室外ユニット側面の冷却空気取入用の吸入穴
と当接する吸入ダクトと、対向する一側面に送風機室へ
空気排出させる排気ダクトとを設けた電気品箱と、上方
を開口し長方体形状の外郭を成し、その長方体形状の長
手方向の一側面に室外ユニット側面の冷却空気取入用の
吸入穴と当接する吸入ダクトと、直角方向一側面に送風
機室へ空気排出させる排気ダクトを設けた基板箱とを備
え、これら電気品箱と基板箱とのそれぞれの背面に一対
のＬ字形フランジとリブとを立設し、それぞれ案内片に
沿ってスライド装着すると共に、電気品箱と基板箱とを
並設し、かつ長手方向側面フランジを互いに当接し、固
定したものである。[Means for Solving the Problems] Claim 1 according to the present invention
The outdoor unit of the air conditioner contains electric parts such as a compressor, a blower, a heat exchanger and an inverter, a condenser,
In addition to accommodating main electrical components such as noise filters and relays, an intake duct that abuts the cooling air intake intake hole on the side of the outdoor unit at the corner, and an exhaust duct that discharges air to the blower room on the opposite side. And an electrical box that is provided with a rectangular parallelepiped shell that opens at the top and has one side in the longitudinal direction of the rectangular parallelepiped that is in contact with the suction hole for cooling air intake on the side of the outdoor unit A duct and a board box provided with an exhaust duct for exhausting air to the blower chamber on one side in a right angle direction are provided, and a pair of L-shaped flanges and ribs are provided upright on the back surface of each of the electrical component box and the board box. The electric component box and the board box are arranged side by side, and the longitudinal side surface flanges are in contact with each other and fixed, while being slid along the guide pieces.
【００１１】また、請求項２の電気品装置はコンデン
サ、ノイズフィルタ、リレー及び電子制御基板を収納す
る電気品箱体において、上記電気品箱体を電子制御基板
室と一般電気部品室とに区画する仕切板を設け、上記電
子制御基板室に長方体形状の長手方向の一側面に室外ユ
ニット側面の冷却空気取入用の穴と当接する吸入ダクト
と、直角方向一側面に送風機室へ空気排出させる排気ダ
クトとを設け、かつ上記一般電気部品室に室外ユニット
側面の冷却空気取入用の吸入穴と当接する吸入ダクト
と、対向する一側面に送風機室へ空気排出させる排気ダ
クトとを設けると共に、電気品箱体背面にＬ字形フラン
ジとリブとを立設し、案内片に沿ってスライド装着した
ものである。According to a second aspect of the present invention, there is provided an electrical component box for accommodating a capacitor, a noise filter, a relay, and an electronic control substrate, wherein the electrical component box is divided into an electronic control substrate chamber and a general electrical component chamber. The electronic control board chamber is provided with a partitioning plate, and one side of the rectangular shape in the longitudinal direction of the electronic control board chamber is in contact with a cooling air intake hole on the side of the outdoor unit. An exhaust duct for exhausting is provided, and an intake duct for contacting the intake hole for cooling air intake on the side surface of the outdoor unit is provided in the general electric component chamber, and an exhaust duct for exhausting air to the blower chamber is provided on one opposite side surface. At the same time, an L-shaped flange and a rib are provided upright on the back surface of the electrical component box body, and are slid along the guide piece.
【００１２】また、請求項３の電気品装置は内部に圧縮
機、送風機、熱交換器及びインバータ回路等の電気部品
を収納し機械室及び送風機室に隔絶する電気品箱を設け
た室外ユニットにおいて、上記電気品箱の前面パネル側
コーナーをＬ形に削除し送風機室側に向けて細長に開口
形成したダクトと、このダクトの前面パネルに相当する
面に上記電気品箱内部と連通する排気穴とを設けたもの
である。The electrical equipment according to claim 3 is an outdoor unit in which electrical components such as a compressor, a blower, a heat exchanger, and an inverter circuit are housed, and an electrical equipment box is provided to isolate the mechanical room and the blower room. A duct having a L-shaped corner on the front panel side of the electrical component box and formed to have an elongated opening toward the blower chamber side; and an exhaust hole communicating with the interior of the electrical component box on a surface corresponding to the front panel of the duct. And are provided.
【００１３】また、請求項４の電気品装置は内部に圧縮
機、送風機、熱交換器及びインバータ回路等を内蔵した
電気品箱を収納した室外ユニットにおいて、室外ユニッ
ト本体背面に形成した外気吸入口と、上記電気品箱の側
板に設けた吸入穴を備え、この吸入穴を覆うよう下方を
開口させた吸入ダクトと、上記外気吸入口を覆い、かつ
毛細管外周に立設すると共に、上記吸入ダクトに連通状
態に接続した外気通風ダクトと、上記電気品箱の送風機
室側に開口する排気ダクトとを設けたものである。According to a fourth aspect of the present invention, there is provided an electrical component device in which an electrical component box containing a compressor, a blower, a heat exchanger, an inverter circuit, etc. is housed inside, and an outdoor air intake port formed on a rear surface of the outdoor unit body. And a suction duct provided on a side plate of the electrical component box, the suction duct having a lower opening to cover the suction hole, the outside air suction port being covered, and the suction duct being provided upright on the outer periphery of the capillary. An outside air ventilation duct connected in communication with and an exhaust duct opening to the blower chamber side of the electrical component box are provided.
【００１４】[0014]
【作用】この発明の請求項１の室外ユニットでは、電子
制御基板のみを収納する基板箱を設けることにより、電
子制御基板を他の電気部品が発生する熱、磁気、ノイズ
等から保護することができる。また別体としたので、サ
ービス性が向上する。In the outdoor unit according to the first aspect of the present invention, by providing the board box for accommodating only the electronic control board, the electronic control board can be protected from heat, magnetism, noise, etc. generated by other electric parts. it can. Also, since it is a separate body, serviceability is improved.
【００１５】また、請求項２の電気品装置では別体とし
て配設する基板箱や、同一電気品箱でありながら基板収
納部を区画した電気品箱では、電子制御基板のためだけ
の風路を形成する構造としたので、電子制御基板自らが
発生する熱を排出することができる。In the electric equipment according to the second aspect of the invention, in the board box arranged as a separate body or in the electric goods box having the same electric goods box with the board accommodating section partitioned, an air passage only for the electronic control board is provided. Since the structure is formed, the heat generated by the electronic control board itself can be discharged.
【００１６】また、請求項３の電気品装置では送風機の
回転による負圧で外気が電気品箱内に取り入れられ内装
の発熱体を冷却して電気品箱の前面パネル側のダクト形
状部に設けられた排出穴よりダクト形状部を通過し機体
外に排出される。Further, in the electric component apparatus according to the third aspect, the outside air is taken into the electric component box by the negative pressure due to the rotation of the blower, and the interior heating element is cooled to be provided in the duct-shaped portion on the front panel side of the electric component box. It passes through the duct-shaped part through the discharge hole and is discharged to the outside of the machine.
【００１７】また、請求項４の電気品装置では外気を吸
入する風路内に毛細管を配設させたことにより、毛細管
周囲を通過した空気は冷却空気となって電気品箱内へ流
入し、箱内の温度を下げ、排気ダクトより送風機室へ排
出される。In the electric device according to the fourth aspect of the present invention, since the capillaries are arranged in the air passage for sucking the outside air, the air passing around the capillaries becomes cooling air and flows into the electric device box. The temperature inside the box is lowered, and the air is discharged from the exhaust duct into the blower room.
【００１８】[0018]
実施例１．以下、この発明の一実施例を図にもとづいて
説明する。図１において、１は室外ユニット外箱で、側
面１ａには冷却空気流入用の吸込口１ｄと電気品箱４を
固定する為の取付穴１ｅが穿設され、また側面１ｂ上方
隅部にも同様に冷気流入用の吸込口１ｆが形成されてい
る。室外ユニット側面１ｇ内側に沿っては熱交換器１８
が配設され、室外ユニット底板（図示せず）に固定具
（図示せず）を介して固定されてる。熱交換器１８の端
面にはサイドプレート１９が具備されており、サイドプ
レート１９上方は、Ｌ字状に案内板２０が折曲形成され
ている。２１はセパレータで、機械室６隅部に位置し、
かつセパレータ２１の二側面が熱交換器１８の端面縁部
と室外ユニット側面１ｃに当接するよう平面略Ｌ字状に
配設され、送風機室５と機械室６とを区画する。セパレ
ータ２１上方には電気品箱４と基板箱２２が載設保持で
きるようにフランジ２１ａ、２１ｂが折曲形成されてお
り、略Ｌ字屈曲部には、Ｌ字状の案内片２１ｄが熱溶着
等により付設される。また室外ユニット側面１ｃ側上方
縁には電気品箱４固定用の取付穴２１ｃが穿設されてい
る。電気品箱４内部には、リアクタ１２、コンデンサ１
３、ノイズフィルタ１４など電子制御基板１５以外のイ
ンバータ等に必要な電気部品を収納しており、側板４
ａ、４ｂ、底板４ｃにより、送風機室５、機械室６と完
全に仕切られ区画される。電気品箱４の底板４ｃの側面
フランジ４ｄには、吸込穴８と連通し、室外ユニット側
面１ａに形成した吸込口１ｄ部と当接する吸入ダクト７
を設け、他方側板４ａの送風機室５側にも排気ダクト９
を付設し、側板４ａに設けた排気穴１０と連通する構造
とし、空気流出用の開口部を下方に有している。また側
面フランジ４ｅには、セパレータ２１の取付穴２１ｃと
ネジ止め固定する為の固定穴２３を穿設し、また側面フ
ランジ４ｄにも同様に室外ユニット側面１ａの取付穴１
ｅと重合する固定穴２４を穿設している。側面フランジ
４ｆには基板箱２２を電気品箱４へネジ止め固定する為
の取付穴２５、２６、２７を穿設している。側板４ｂの
背面には、セパレータ２１に溶着した案内板２１ｄと嵌
合保持する為に、Ｌ字形フランジ２８と一対のリブ２９
を立設し、案内板２１ｄの案内路としている。Example 1. An embodiment of the present invention will be described below with reference to the drawings. In FIG. 1, reference numeral 1 denotes an outdoor unit outer box, a side surface 1a is provided with a cooling air inflow inlet 1d and a mounting hole 1e for fixing an electric component box 4, and a side portion 1b also has an upper corner. Similarly, a suction port 1f for inflowing cold air is formed. A heat exchanger 18 is provided along the inner side surface 1g of the outdoor unit.
Is provided and is fixed to the outdoor unit bottom plate (not shown) via a fixture (not shown). A side plate 19 is provided on an end surface of the heat exchanger 18, and an L-shaped guide plate 20 is bent and formed above the side plate 19. 21 is a separator located in the corner of the machine room 6
Further, the two side surfaces of the separator 21 are arranged in a substantially L shape in a plane so as to abut the end surface edge portion of the heat exchanger 18 and the outdoor unit side surface 1c, and partition the blower chamber 5 and the machine chamber 6. Above the separator 21, flanges 21a and 21b are formed by bending so that the electrical component box 4 and the substrate box 22 can be mounted and held. The L-shaped guide piece 21d is heat-welded to the substantially L-shaped bent portion. Etc. Further, a mounting hole 21c for fixing the electrical component box 4 is formed in the upper edge of the outdoor unit side surface 1c. Inside the electrical component box 4, a reactor 12 and a capacitor 1
3, the electric components necessary for the inverter other than the electronic control board 15 such as the noise filter 14 are housed, and the side plate 4
The blower room 5 and the machine room 6 are completely partitioned by a and 4b and the bottom plate 4c. The side surface flange 4d of the bottom plate 4c of the electrical component box 4 communicates with the suction hole 8 and is in contact with the suction port 1d formed on the outdoor unit side surface 1a.
Is provided, and the exhaust duct 9 is provided also on the side of the blower chamber 5 of the other side plate 4a.
Is attached to the side plate 4a so as to communicate with the exhaust hole 10 provided in the side plate 4a, and has an opening for air outflow in the lower part. Further, the side surface flange 4e is provided with a fixing hole 23 for screwing and fixing to the mounting hole 21c of the separator 21, and the side surface flange 4d is similarly attached to the mounting hole 1 of the outdoor unit side surface 1a.
A fixing hole 24 that overlaps with e is formed. Mounting holes 25, 26, and 27 for screwing and fixing the board box 22 to the electrical component box 4 are formed in the side surface flange 4f. An L-shaped flange 28 and a pair of ribs 29 are provided on the back surface of the side plate 4b for fitting and holding the guide plate 21d welded to the separator 21.
Is set up as a guide path for the guide plate 21d.
【００１９】基板箱２２の構成について、図１〜図３に
もとづいて説明する。基板箱側板２２ａには吸入ダクト
２２ｂと吸入穴２２ｃが連通されて設けられており、吸
入ダクト側面２２ｄには冷却空気流入の為の穴が大きく
開口し、縁を形成するフランジが室外ユニット側面１ｂ
に形成した吸入口１ｆ縁と当接するようになっている。
他方側板２２ｅの送風機室５側にも電気品箱４の場合と
同じように側板２２に設けた排気穴３０と連通して排気
ダクト３１が付設されており、空気を流出させる為の開
口部を排気ダクト３１下方に有している。基板箱２２内
側には熱溶着等により保持されている基板保持具１５ａ
により、電子制御基板１５が収納されている。このとき
電子制御基板１５は基板保持具１５ａの案内みぞ１５ｂ
に沿って上方からスライドさせて収納するようになって
おり、出し入れは容易である。基板箱側板２２ｃ縁部中
央には、基板箱２２を電気品箱４にネジ止め固定する為
の固定穴３２を穿設しており、電気品箱４の取付穴２５
と重合する。同様に基板箱側面フランジ２２ｆにも、取
付穴２７、２６と重合する固定穴３３、３４を穿設して
いる。基板箱側板２２ｂには、サイドプレート１９に折
曲形成されている案内板２０と嵌合保持する為のＬ字形
フランジ２８と一対のリブ２９を立設し、案内板２０の
案内路としている。The structure of the substrate box 22 will be described with reference to FIGS. The board box side plate 22a is provided with an intake duct 22b and an intake hole 22c in communication with each other, and a hole for cooling air inflow is largely opened in a side surface 22d of the intake duct, and a flange forming an edge is formed on the side surface 1b of the outdoor unit.
It comes into contact with the edge of the suction port 1f formed in 1.
Similarly to the case of the electrical component box 4, an exhaust duct 31 is provided on the side of the other side plate 22e on the side of the blower chamber 5 in communication with the exhaust hole 30 provided in the side plate 22, and an opening for letting out air is provided. It is provided below the exhaust duct 31. The substrate holder 15a is held inside the substrate box 22 by heat welding or the like.
Thus, the electronic control board 15 is stored. At this time, the electronic control board 15 has the guide groove 15b of the board holder 15a.
It is designed to be slid from above along with and stored, making it easy to put in and take out. A fixing hole 32 for screwing and fixing the board box 22 to the electric equipment box 4 is formed in the center of the edge of the board box side plate 22c.
Polymerize with. Similarly, the board box side surface flange 22f is also provided with fixing holes 33 and 34 that overlap the mounting holes 27 and 26. The board box side plate 22b is provided with an L-shaped flange 28 and a pair of ribs 29 for fitting and holding the guide plate 20 bent and formed on the side plate 19 as a guide path for the guide plate 20.
【００２０】次に電気品箱４と基板箱２２の室外ユニッ
ト１への組込みについて説明する。先ず電気品箱４は電
気品箱側板４ｂ背面に立設しているＬ字形フランジ２８
とリブ２９がセパレータ２１の案内板２１ｄに案内され
下方に降設し、セパレータ２１のフランジ２１ａに載設
され、仮置される。同様に基板箱２２も基板箱側面２２
ａのＬ字形フランジ３５とリブ３６がサイドプレート１
９の案内板２０に案内されフランジ２１ｂに仮置され
る。詳細の平面図を図４に示す。次に仮置された基板箱
２２は固定ネジ３７により、電気品箱４に固定される。
続いて電気品箱４もセパレータ２１に固定ネジ３７にて
固定され、最後に室外ユニット側面１ａの外側から固定
ネジ３７にて締め付けられると完全に室外ユニット内に
収納、固定される。Next, the assembly of the electrical component box 4 and the board box 22 into the outdoor unit 1 will be described. First, the electrical component box 4 is an L-shaped flange 28 that is erected on the rear surface of the electrical component box side plate 4b.
The ribs 29 are guided by the guide plate 21d of the separator 21 and descended downward, are mounted on the flange 21a of the separator 21, and are temporarily placed. Similarly, the board box 22 also has a board box side surface 22.
The L-shaped flange 35 and rib 36 of a are the side plates 1
9 is guided by the guide plate 20 and is temporarily placed on the flange 21b. A detailed plan view is shown in FIG. Next, the temporarily placed substrate box 22 is fixed to the electrical component box 4 with a fixing screw 37.
Subsequently, the electric component box 4 is also fixed to the separator 21 with a fixing screw 37, and finally, when it is tightened with the fixing screw 37 from the outside of the outdoor unit side surface 1a, it is completely housed and fixed in the outdoor unit.
【００２１】以上のように構成された室外ユニットにお
ける通風機構について図５〜図８にもとづいて説明す
る。図５は分解斜視図、図６は要部を示す側面断面図、
図７は主に電気品箱４を示す正面断面図、図８は基板箱
２２を示す一部破断背面断面図である。図中矢印は冷却
空気の流れとその経路を示す。送風機３が回転すると送
風機室５は負圧となり、吸込口１ｄからは電気品箱４内
へ、吸込口１ｆからは基板箱２２内へ冷却空気がそれぞ
れ流入する。電気品箱４内へ流入した空気は、コンデン
サ１３、ノイズフィルタ１４、リアクタ１２などの電気
部品を冷却して排気ダクト９より送風気室５へ排出され
る。同様に基板箱２２内へ流入した空気は、電子制御基
板１５を冷却して排気ダクト９より送風機室５へ排出さ
れる。The ventilation mechanism in the outdoor unit constructed as described above will be described with reference to FIGS. 5 is an exploded perspective view, FIG. 6 is a side sectional view showing a main part,
FIG. 7 is a front sectional view mainly showing the electrical component box 4, and FIG. 8 is a partially cutaway rear sectional view showing the substrate box 22. The arrows in the figure indicate the flow of cooling air and its path. When the blower 3 rotates, the blower chamber 5 has a negative pressure, and cooling air flows into the electric component box 4 through the suction port 1d and into the substrate box 22 through the suction port 1f. The air that has flowed into the electrical component box 4 cools electrical components such as the condenser 13, the noise filter 14, and the reactor 12, and is discharged to the blower air chamber 5 from the exhaust duct 9. Similarly, the air that has flowed into the board box 22 cools the electronic control board 15 and is discharged from the exhaust duct 9 into the blower chamber 5.
【００２２】実施例２．次に実施例２について説明す
る。実施例２は、共通電気品箱でありながら、仕切板に
よって基板室と電気品室を形成、区画し、おのおの独立
した通風路を形成したもので、それ以外は概略実施例１
と同一である。図９において、電気品箱４は電子制御基
板１５だけを収納する基板室３８とそれ以外の電気部品
を収納する電気品室１６とに、仕切板３９により区画さ
れている。電気品室１６には、図１に示す吸込口１ｄと
連通して吸入ダクト７と冷却空気排出用の排気穴１０と
下方が開口された排気ダクト９を備えている。同様に基
板室３８にも吸込口１ｆと連通して吸入ダクト２２ｂ、
吸入口穴２２ｃを備え、排気穴３０、排気ダクト３１を
設けている。電気品箱側板４ｂ背面には、図１に示すサ
イドプレート１９に折曲形成されている案内板２０と嵌
合保持する為のＬ字形フランジ３５と一対のリブ３６を
立設し、案内板２０の案内路としている。電気品箱側面
フランジ４ｅには図１に示すセパレータ２１の取付穴２
１ｃとネジ止め固定する為の固定穴２３を穿設し、また
側面フランジ４ｅにも同様に室外ユニット側面１ａの取
付穴１ｅと重合する固定穴２４を穿設している。Example 2. Next, a second embodiment will be described. In the second embodiment, the board room and the electric equipment room are formed and partitioned by the partition plate to form the independent ventilation passages even though the common electric goods box is used.
Is the same as In FIG. 9, the electrical component box 4 is partitioned by a partition plate 39 into a substrate chamber 38 that stores only the electronic control substrate 15 and an electrical component chamber 16 that stores other electrical components. The electrical equipment chamber 16 is provided with an intake duct 7, an exhaust hole 10 for exhausting cooling air, and an exhaust duct 9 having a lower opening in communication with the intake port 1d shown in FIG. Similarly, the substrate chamber 38 also communicates with the suction port 1f and the suction duct 22b,
An intake hole 22c is provided, and an exhaust hole 30 and an exhaust duct 31 are provided. An L-shaped flange 35 and a pair of ribs 36 for fitting and holding the guide plate 20 bent and formed on the side plate 19 shown in FIG. It is used as a guide way. The side surface flange 4e of the electrical component box has a mounting hole 2 for the separator 21 shown in FIG.
A fixing hole 23 for screwing and fixing to 1c is also formed, and a fixing hole 24 that overlaps with the mounting hole 1e of the outdoor unit side surface 1a is also formed in the side surface flange 4e.
【００２３】次に電気品箱４の室外ユニット１への組込
みについて、図９と図１を照らし合わせて説明する。電
気品箱４の室外ユニット１への組込みは、セパレータ２
１の案内板２１ｄは無いものとする。電気品箱４は、電
気品箱側板４ｂ背面に立設しているＬ字形フランジ３５
とリブ３６がサイドプレート１９の案内板２０に案内さ
れ下方に降設し、セパレータ２１のフランジ２１ａ、２
１ｂに載設、仮置される。次に固定ネジ３７により、固
定穴２３とセパレータ２１の取付穴２１ｃは共締めされ
固定される。続いて室外ユニット側面１ａの外側から、
取付穴１ｅと固定穴２４が共締めされりことにより電気
品箱４は完全に室外ユニット内に収納、固定される。Next, assembling of the electrical component box 4 into the outdoor unit 1 will be described with reference to FIGS. 9 and 1. Assembling the electrical component box 4 into the outdoor unit 1 requires the separator 2
It is assumed that the first guide plate 21d is not provided. The electrical component box 4 has an L-shaped flange 35 that is erected on the rear surface of the electrical component box side plate 4b.
The ribs 36 and the ribs 36 are guided by the guide plate 20 of the side plate 19 and are installed downward.
It is placed on 1b and temporarily placed. Next, the fixing holes 23 and the mounting holes 21c of the separator 21 are tightened together and fixed by the fixing screws 37. Then, from the outside of the outdoor unit side surface 1a,
The electrical component box 4 is completely housed and fixed in the outdoor unit by tightening the mounting hole 1e and the fixing hole 24 together.
【００２４】以上のように構成された室外ユニットにお
ける通風構造は、仕切板３９が室外ユニット内壁に当接
することにより、電気品室１６と基板室３８がおのおの
独立して閉封密閉され、別々の封路を形成することにな
り、実施例１と同一の風路形成となる。図中矢印は冷却
空気の流れとその経路を示す。送風機３が回転すると送
風気室５が負圧となり、吸込口１ｄからは電気品室１６
内へ、吸込口１ｆからは基板室３８内へ冷却空気が流入
する。電気品室１６内へ流入した空気は、コンデンサ１
３、ノイズフィルタ１４、リアクタ１２などの電気部品
を冷却して排気ダクト９より送風機室５へ排出される。
同様に、基板室３８内へ流入した空気は、電子制御基板
１５を冷却して排気ダクト３１より送風機室５へ排出さ
れる。In the ventilation structure of the outdoor unit configured as described above, the partition plate 39 contacts the inner wall of the outdoor unit, so that the electrical component chamber 16 and the substrate chamber 38 are independently closed and sealed, and separated. Since the closed passage is formed, the air passage is formed in the same manner as in the first embodiment. The arrows in the figure indicate the flow of cooling air and its path. When the blower 3 rotates, the blower air chamber 5 has a negative pressure, and the suction chamber 1d causes the electrical component chamber 16 to be discharged.
Cooling air flows into the substrate chamber 38 through the suction port 1f. The air that has flowed into the electrical equipment room 16 is stored in the condenser 1
3, the electric components such as the noise filter 14, the reactor 12, etc. are cooled and discharged from the exhaust duct 9 into the blower chamber 5.
Similarly, the air that has flowed into the substrate chamber 38 cools the electronic control substrate 15 and is discharged from the exhaust duct 31 to the blower chamber 5.
【００２５】実施例３．次にこの発明の実施例３につい
て説明する。図１０において従来例と同一箇所は同一符
号を付してその重複説明は省略することとしているが、
この発明の場合は、電気品箱４の前面パネル１ｃ側のコ
ーナー（一隅）をＬ形に削除した段差部４０を設け、こ
の段差部４０を前面パネル１ｃとある程度の間隔をあけ
て前面パネル１ｃと平行の位置に配置し、この段差部４
０に冷却空気の排気穴１０を有している。前面パネル１
ｃと電気品箱４のコーナー（一隅）をＬ形に削除した段
差部４０との隙間はダクト形状部４１であり排気穴１０
から排出される冷却空気の排気路とされる。Example 3. Next, a third embodiment of the present invention will be described. In FIG. 10, the same parts as those of the conventional example are designated by the same reference numerals, and the duplicate description thereof will be omitted.
In the case of the present invention, a step portion 40 in which a corner (one corner) on the front panel 1c side of the electrical component box 4 is deleted in an L shape is provided, and the step portion 40 is spaced from the front panel 1c to some extent and the front panel 1c is provided. It is placed in a position parallel to
0 has an exhaust hole 10 for cooling air. Front panel 1
The gap between c and the step portion 40 in which the corner (one corner) of the electrical component box 4 is removed in an L shape is the duct-shaped portion 41 and the exhaust hole 10
It is used as an exhaust path for cooling air discharged from the.
【００２６】したがって上記構成の室外ユニットにおい
て、送付機３が回転すると送風機室５が負圧となる為、
外気が吸込ダクト７、吸込穴６を通って電気品室４へ侵
入し、インバータ回路等の電気部品を冷却して電気品箱
４のコーナー（一隅）を削除し形成された段差部４０に
有した排気穴１０から排出され段差部４０と前面パネル
１ｃとの隙間により形成されるダクト形状４１を通り室
外ユニット外へ排出される。Therefore, in the outdoor unit having the above structure, when the blower 3 rotates, the blower chamber 5 becomes negative pressure,
The outside air enters the electric component room 4 through the suction duct 7 and the suction hole 6, cools the electric components such as the inverter circuit, and removes a corner (one corner) of the electric component box 4 so that the step portion 40 is formed. The gas is discharged from the exhaust hole 10 and passes through a duct shape 41 formed by a gap between the step portion 40 and the front panel 1c and is discharged to the outside of the outdoor unit.
【００２７】また雨天時の運転の際、送風機３の回転に
伴い雨水が送風機３の回転遠心方向に飛び散るが、段差
部４０はこの遠心方向と平行であり、更に前面パネル１
ｃに近接しているため雨水のはねかえり等による侵入も
防止することができる。During operation in rainy weather, rainwater is scattered in the rotational centrifugal direction of the blower 3 as the blower 3 rotates, but the step portion 40 is parallel to this centrifugal direction, and the front panel 1
Since it is close to c, it is possible to prevent intrusion due to splashing of rainwater.
【００２８】実施例４．次に図１１にて示す実施例４で
は電気品箱４の前面パネル１ｃ側のコーナー（一隅）に
送風気室５側に突出する段差部４０を設ける。この段差
部４０は前面パネル１ｃとある程度の間隔をあけて前面
パネル１ｃと平行の位置に配置し、この段差部４０に冷
却空気の排気穴１０を有する。４１はダクト形状部で、
送風機室５側に突出する段差部４０によりできる前面パ
ネル１ｃとの隙間でありこのダクト形状部４１が排気穴
１０から排出される冷却空気の排気路となる。Example 4. Next, in a fourth embodiment shown in FIG. 11, a step portion 40 projecting toward the blower chamber 5 side is provided at a corner (one corner) on the front panel 1c side of the electrical component box 4. The step portion 40 is arranged in parallel with the front panel 1c with a certain distance from the front panel 1c, and the step portion 40 has an exhaust hole 10 for cooling air. 41 is a duct shape part,
A gap with the front panel 1c formed by the step portion 40 projecting to the blower chamber 5 side, and this duct-shaped portion 41 serves as an exhaust path for the cooling air exhausted from the exhaust hole 10.
【００２９】したがって上記構成の室外ユニットにおい
て、送風機３が回転すると送風機室５が負圧となる為、
外気が吸込ダクト７、吸込穴８を通って電気品室１６へ
侵入し、インバータ回路等の電気部品を冷却して、電気
品箱４に設けられた、段差部４０に有した排気穴１０か
ら排出され、段差部４０と前面パネル１ｃとの隙間によ
り形成されるダクト形状４１を通り室外ユニット１外へ
排出される。Therefore, in the outdoor unit having the above structure, when the blower 3 rotates, the blower chamber 5 becomes negative pressure,
Outside air enters the electric component chamber 16 through the suction duct 7 and the suction hole 8 to cool electric components such as an inverter circuit, and from the exhaust hole 10 provided in the step portion 40 provided in the electric component box 4. It is discharged and discharged to the outside of the outdoor unit 1 through a duct shape 41 formed by a gap between the step portion 40 and the front panel 1c.
【００３０】また雨天時の運転の際、送風機３の回転に
伴い雨水が送風機３の回転遠心方向に飛び散るが、段差
部４０はこの遠心方向と平行であり、更に前面パネル１
ｃに近接しているため雨水のはねかえりによる侵入も少
ない。万一排気穴１０より雨水が侵入してもダクト形状
４１によって雨水は電気品配置側に達しない。During operation in rainy weather, rainwater is scattered in the rotational centrifugal direction of the blower 3 as the blower 3 rotates, but the step portion 40 is parallel to this centrifugal direction, and the front panel 1
Since it is close to c, there is little intrusion by rainwater splashing. Even if rainwater enters through the exhaust hole 10, the rainwater does not reach the electrical component placement side due to the duct shape 41.
【００３１】実施例５．次に、この発明の実施例５を図
１２〜１６にもとづいて説明する。図１２はこの発明の
要部を示す分解斜視図、図１３は一部破断背面断面図、
図１４は図１３のＸＩＶ−ＸＩＶ断面図、図１５は図１
３のＸＶ−ＸＶ断面図、図１６は冷媒回路図である。１
は室外ユニット外箱で、側面１ｂには外気流入用の吸入
口８が形成されている。３は送風機、１８は熱交換器
で、セパレータ２１により、送風機室５と機械室６とに
区画されている。４２は毛細管で、図１６に示す冷媒回
路図上の減圧部４２ａに位置するもので、低圧の液冷媒
で、毛細管外周温度は外気温より低くなっている。また
毛細管４２は吸入口８近傍に配設されている。４３は毛
細管４２をとり囲むように、ねじ止め等（図示せず）に
よりベース１ｈに立設した外気通風ダクトで、側面４３
ａ、４３ｂにはＵ字形の切欠４３ｃをそれぞれ設け、毛
細管４２と接続しているパイプ４２ａが納まる大きさと
なっている。このとき、外気通風ダクト４３の縁面４３
ｄは室外ユニット側面１ｂに当接され、外気吸入口８と
連通した風路４４を形成することになる。４５は吸入ダ
クトで、上記電気品箱４の側板４ｂに形成した吸入穴８
を覆うよう下方開放して装着され、かつ側板４ａにも同
様に排気穴１０と側板４ａ背面に排気ダクト９を設けて
いる。電気品箱４は電気品箱底板４ｃの端部に穿設した
固定穴２３とセパレータ２１の上端フランジ２１ａに穿
設した固定穴２１ｅとともに、固定ネジ３７によってセ
パレータ上端フランジ２１ａ上に載設され、固定され
る。またこのとき、吸気ダクト縁面４５ｂは外気通風ダ
クト縁面４３ｅに当接し、載設され、前記風路４６と連
通する。Example 5. Next, a fifth embodiment of the present invention will be described with reference to FIGS. 12 is an exploded perspective view showing a main part of the present invention, FIG. 13 is a partially cutaway rear sectional view,
14 is a sectional view taken along line XIV-XIV of FIG. 13, and FIG. 15 is shown in FIG.
XV-XV sectional view of FIG. 3, FIG. 16 is a refrigerant circuit diagram. 1
Is an outdoor unit outer box, and a suction port 8 for inflowing outside air is formed on the side surface 1b. 3 is a blower, 18 is a heat exchanger, and is divided into a blower chamber 5 and a machine chamber 6 by a separator 21. Reference numeral 42 denotes a capillary, which is located in the pressure reducing portion 42a on the refrigerant circuit diagram shown in FIG. 16, is a low-pressure liquid refrigerant, and has a capillary outer peripheral temperature lower than the outside air temperature. Further, the capillary tube 42 is arranged near the suction port 8. Reference numeral 43 denotes an outside air ventilation duct that is erected on the base 1h by screwing or the like (not shown) so as to surround the capillary tube 42.
U-shaped notches 43c are provided in a and 43b, respectively, so that the pipe 42a connected to the capillary tube 42 can be accommodated therein. At this time, the edge surface 43 of the outside air ventilation duct 43
The d is brought into contact with the outdoor unit side surface 1b and forms an air passage 44 communicating with the outside air intake port 8. Reference numeral 45 is a suction duct, which is a suction hole 8 formed in the side plate 4b of the electrical component box 4.
It is attached so as to open downward so as to cover the side plate 4a, and the side plate 4a is also provided with an exhaust hole 10 and an exhaust duct 9 on the rear surface of the side plate 4a. The electric component box 4 is mounted on the separator upper flange 21a by a fixing screw 37 together with a fixing hole 23 formed in the end of the electric component box bottom plate 4c and a fixing hole 21e formed in the upper flange 21a of the separator 21. Fixed. Further, at this time, the intake duct edge surface 45b abuts on the outside air ventilation duct edge surface 43e, is placed, and communicates with the air passage 46.
【００３２】以上のように構成された室外ユニットにお
ける通風機構は、先ず送風機３が回転すると送風機室６
が負圧となって吸入口１ｆから外気が風路４６内へ流入
する。流入した外気は毛細管周囲を通過することにより
冷却され、そのまま電気品箱４の吸入ダクト４５、吸入
穴８から電気品室１６内へ流入し、各電気部品（図示せ
ず）を冷却して排気穴１０、排気ダクト９より送風機室
５へ排出される。図中、矢印は通風経路をあらわす。The ventilation mechanism in the outdoor unit having the above-described structure has the blower chamber 6 when the blower 3 first rotates.
Becomes negative pressure, and the outside air flows into the air passage 46 from the intake port 1f. The outside air that has flowed in is cooled by passing around the capillaries, then flows into the electrical equipment chamber 16 through the suction duct 45 and the suction hole 8 of the electrical equipment box 4 as it is, cools each electrical component (not shown), and exhausts it. The air is discharged into the blower chamber 5 through the hole 10 and the exhaust duct 9. In the figure, arrows indicate ventilation paths.
【００３３】実施例６．次に実施例６について説明す
る。実施例６は、外気通風ダクト４３と電気品箱４の吸
入ダクト４５を一体化したもので、それ以外は概略実施
例１と同一である。図１７において、電気品箱４の側板
４ａに排気穴１０と側板４ａ背面に排気ダクト９を設け
ている。側板４ｂには吸気穴８を穿設し、側板４ｂ背面
には、上部は閉封されたダクト形状をなし、下部には平
面略凹状の風路を形成している一体形ダクト４３を設け
ている。即ち一体形ダクト４３は、毛細管４２を収納部
とする下部は側板４３ａ、４３ｂ、４３ｆによって構成
し、上部は吸入ダクトとすべく側板４３ａ、４３ｂ、４
３ｅ、４３ｆと天板４３ｇにて構成するものである。側
板４３ｆの上部の電気品箱４の側板４ｂに付設される部
分は開口されていて、吸気穴８と連通するようになって
いる。切欠４３ｃは実施例５の場合と同様、毛細管４２
へ接続されるパイプ４２ａを納めるものである。一体形
ダクト４３の側面縁部４３ｉと側板４３ｆは室外ユニッ
ト側面１ｂに当接され、下面縁部４３ｊはベース１ｈに
当接されることにより一体形ダクト４３は、外気流入風
路を形成する。電気品箱４は、実施例５の場合と同様に
固定ねじ３７（図示せず）によりセパレータ２１に固定
される。Example 6. Next, a sixth embodiment will be described. The sixth embodiment integrates the outside air ventilation duct 43 and the suction duct 45 of the electrical component box 4, and is otherwise the same as the schematic first embodiment. In FIG. 17, an exhaust hole 10 is provided in the side plate 4a of the electrical component box 4 and an exhaust duct 9 is provided in the rear surface of the side plate 4a. The side plate 4b is provided with an intake hole 8 and the rear face of the side plate 4b has a closed duct shape in the upper part and an integrated duct 43 forming a substantially concave air passage in the lower part. There is. That is, in the integrated duct 43, the lower part having the capillary tube 42 as a storage part is constituted by the side plates 43a, 43b, 43f, and the upper part is made into the suction duct by the side plates 43a, 43b, 4f.
3e, 43f and the top plate 43g. An upper portion of the side plate 43f, which is attached to the side plate 4b of the electrical component box 4, is opened so as to communicate with the intake hole 8. The notch 43c is formed in the capillary tube 42 as in the fifth embodiment.
It accommodates a pipe 42a connected to the. The side surface edge 43i and the side plate 43f of the integrated duct 43 are brought into contact with the outdoor unit side surface 1b, and the lower surface edge 43j is brought into contact with the base 1h, whereby the integrated duct 43 forms an outside air inflow air passage. The electrical component box 4 is fixed to the separator 21 by a fixing screw 37 (not shown) as in the case of the fifth embodiment.
【００３４】以上のように構成された室外ユニットにお
ける通風機構は、実施例５と同様に送風機３の負圧によ
って、吸入口１ｆより外気が一体形ダクト４３へ流入
し、毛細管４２により冷却された後電気品室１６内へ侵
入、各電気部品を冷却して送風機室５へ排出される。In the ventilation mechanism of the outdoor unit constructed as described above, as in the fifth embodiment, the negative pressure of the blower 3 causes the outside air to flow into the integral duct 43 from the inlet 1f and is cooled by the capillary tube 42. After entering the rear electric equipment room 16, each electric component is cooled and discharged to the blower room 5.
【００３５】[0035]
【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、熱交換器及びインバータ等の電気部
品を収納し、コンデンサ、ノイズフィルタ、リレー等の
主電気部品を収納すると共に、隅部に室外ユニット側面
の冷却空気取入用の吸入穴と当接する吸入ダクトと、対
向する一側面に送風機室へ空気排出させる排気ダクトと
を設けた電気品箱と、上方を開口し長方体形状の外郭を
成し、その長方体形状の長手方向の一側面に室外ユニッ
ト側面の冷却空気取入用の吸入穴と当接する吸入ダクト
と、直角方向一側面に送風機室へ空気排出させる排気ダ
クトとを設けた基板箱とを備え、これら電気品箱と基板
箱とのそれぞれの背面に一対のＬ字形フランジとリブと
を立設し、それぞれ案内片に沿ってスライド装着すると
共に、電気品箱と基板箱とを並設し、かつ長手方向側面
フランジを互いに当接し、固定するように構成したので
他の電気部品や外部からの磁気、ノイズから保護するこ
とができ、また基板の点検、交換などのサービス性を向
上させることができる。As described above, according to the first aspect of the present invention, the electric components such as the compressor, the blower, the heat exchanger and the inverter are accommodated, and the main electric components such as the condenser, the noise filter and the relay are accommodated. At the same time, an electric component box provided with a suction duct at the corner, which comes into contact with the suction hole for cooling air intake on the side of the outdoor unit, and an exhaust duct at the opposite side for discharging air to the blower chamber, and the upper part is opened. An intake duct that forms an outer shape of a rectangular parallelepiped, one side of which is in contact with the cooling air intake hole on the side of the outdoor unit, and one side of which is perpendicular to the blower chamber. A board box provided with an exhaust duct for discharging is provided, and a pair of L-shaped flanges and ribs are provided upright on the back surfaces of the electric component box and the board box, and are slid along the guide pieces. , With electrical box Since the board box is installed side by side and the longitudinal side flanges are in contact with and fixed to each other, it is possible to protect from other electric parts and external magnetism and noise, and check and replace the board. The serviceability of can be improved.
【００３６】また、この発明の請求項２によればコンデ
ンサ、ノイズフィルタ、リレー及び電子制御基板を収納
する電気品箱体において、上記電気品箱体を電子制御基
板室と一般電気部品室とに区画する仕切板を設け、上記
電子制御基板室に長方体形状の長手方向の一側面に室外
ユニット側面の冷却空気取入用の吸入穴と当接する吸入
ダクトと、直角方向一側面に送風機室へ空気排出させる
排気ダクトとを設け、かつ上記一般電気部品室に室外ユ
ニット側面の冷却空気取入用の吸入穴と当接する吸入ダ
クトと、対向する一側面に送風機室へ空気排出させる排
気ダクトとを設けると共に、電気品箱体背面にＬ字形フ
ランジとリブとを立設し、案内片に沿ってスライド装着
した構成にしたので、基板を他の電気品から発生する熱
から保護し、また基板自らが発生する熱をも放熱させる
ことができる。According to a second aspect of the present invention, in an electric component box for accommodating a capacitor, a noise filter, a relay and an electronic control board, the electric component box is divided into an electronic control board chamber and a general electric component chamber. A partition plate for partitioning is provided, and in the electronic control board chamber, a suction duct that abuts a suction hole for cooling air intake on the side of the outdoor unit is formed on one side in the longitudinal direction of the rectangular shape, and a blower chamber is formed on one side in the perpendicular direction. An exhaust duct for exhausting air to the general electric component chamber, and an intake duct for abutting the intake hole for cooling air intake on the side of the outdoor unit in the general electric component chamber, and an exhaust duct for exhausting air to the blower chamber on the opposite side surface. In addition, the L-shaped flange and the rib are erected on the rear surface of the electric component box body and are slid along the guide piece, so that the board is protected from heat generated from other electric components, and Can also dissipating heat by itself plate occurs.
【００３７】また、この発明の請求項３によれば内部に
圧縮機、送風機、熱交換器及びインバータ回路等の電気
部品を収納し機械室及び送風機室に隔絶する電気品箱を
設けた室外ユニットにおいて、上記電気品箱の前面パネ
ル側コーナーをＬ形に削除し送風機室側に向けて細長に
開口形成したダクトと、このダクトの前面パネルに相当
する面に上記電気品箱内部と連通する排気穴とを設けた
構成にしたので、送風機の運転による電気品箱内の強制
冷却が可能なばかりでなく排気穴を前面パネルと平行な
位置に設けたことにより、雨水の侵入を防止することが
でき更に構造が簡単で部品点数も少なく安価であり効果
大である。Further, according to claim 3 of the present invention, an outdoor unit in which electric parts such as a compressor, an air blower, a heat exchanger and an inverter circuit are housed, and an electric component box for separating the mechanical room and the fan room is provided. In the above-mentioned electric appliance box, a front panel side corner is removed into an L shape to form an elongated opening toward the blower chamber side, and an exhaust gas communicating with the inside of the electric appliance box on a surface corresponding to the front panel of the duct. Since the structure with holes is provided, not only can forced cooling of the electrical equipment box be performed by the operation of the blower, but also the exhaust holes are provided in a position parallel to the front panel to prevent rainwater from entering. Moreover, the structure is simple, the number of parts is small, the cost is low, and the effect is great.
【００３８】また、この発明の請求項４によれば内部に
圧縮機、送風機、熱交換器及びインバータ回路等を内蔵
した電気部箱を収納した室外ユニットにおいて、室外ユ
ニット本体背面に形成した外気吸入口と、上記電気品箱
の側板に設けた吸入穴を備え、この吸入穴を覆うよう下
方を開口させた吸入ダクトと、上記外気吸入口を覆い、
かつ毛細管外周に立設すると共に、上記吸入ダクトに連
通状態に接続した外気通風ダクトと、上記電気品箱の送
風機室側に開口する排気ダクトとを設けた構成としたの
で、流入外気自体の温度を下げてから電気品室へ流入す
る機構となったため、従来に比べ、冷却効果は高く、特
に過負荷時においては、その効果は絶大である。Further, according to claim 4 of the present invention, in the outdoor unit in which the electric unit box having the compressor, the blower, the heat exchanger, the inverter circuit and the like contained therein is housed, the outside air suction formed on the rear surface of the outdoor unit body. A mouth, a suction hole provided in a side plate of the electric component box, a suction duct opened downward to cover the suction hole, and the outside air suction port,
In addition, the temperature of the inflowing outside air itself is set because the outside air ventilation duct that is erected on the outer periphery of the capillary tube and that is connected to the suction duct is connected to the outside air ventilation duct, and the exhaust duct that opens to the blower room side of the electrical component box The cooling effect is high compared to the conventional one because the mechanism is such that after cooling down, it flows into the electrical equipment room, and especially when overloaded, the effect is great.
【図１】この発明による実施例１を示す空気調和機の室
外ユニットの要部分解斜視図である。FIG. 1 is an exploded perspective view of a main part of an outdoor unit of an air conditioner showing a first embodiment according to the present invention.
【図２】図１の基板箱を示す分解斜視図である。FIG. 2 is an exploded perspective view showing the board box of FIG.
【図３】図２の基板箱を背面より見た斜視図である。3 is a perspective view of the substrate box of FIG. 2 as viewed from the back side.
【図４】この発明による実施例１の電気品箱と基板箱と
の結合を示す要部断面図である。FIG. 4 is a cross-sectional view of the essential parts showing the connection between the electrical component box and the board box according to the first embodiment of the present invention.
【図５】この発明による実施例１の通風状態を示す要部
斜視図である。FIG. 5 is a perspective view of a main part showing a ventilation state of the first embodiment according to the present invention.
【図６】この発明による実施例１の通風状態を示す側面
要部断面図である。FIG. 6 is a cross-sectional view of a main part of a side view showing a ventilation state of the first embodiment according to the present invention.
【図７】この発明による実施例１の通風状態を示す正面
要部断面図である。FIG. 7 is a cross-sectional view of a front main part showing a ventilation state of the first embodiment according to the present invention.
【図８】この発明による実施例１の通風状態を示す一部
破断背面要部断面図である。FIG. 8 is a partially cutaway rear main part sectional view showing a ventilation state of Embodiment 1 according to the present invention.
【図９】この発明による実施例２の電気品装置を示す斜
視図である。FIG. 9 is a perspective view showing an electric device according to a second embodiment of the present invention.
【図１０】この発明による実施例３の電気品装置を示す
斜視図である。FIG. 10 is a perspective view showing an electric device according to a third embodiment of the present invention.
【図１１】この発明による実施例４の電気品装置を示す
斜視図である。FIG. 11 is a perspective view showing an electric device according to a fourth embodiment of the present invention.
【図１２】この発明による実施例５の電気品装置を示す
分解斜視図である。FIG. 12 is an exploded perspective view showing an electric device according to a fifth embodiment of the present invention.
【図１３】この発明による実施例５の電気品装置を示す
背面断面図である。FIG. 13 is a rear cross-sectional view showing an electric device according to a fifth embodiment of the present invention.
【図１４】図１３のＸＩＶ−ＸＩＶ断面図である。14 is a sectional view taken along line XIV-XIV in FIG.
【図１５】図１３のＸＶ−ＸＶ断面図である。15 is a sectional view taken along line XV-XV in FIG.
【図１６】この発明による実施例５の冷媒回路図であ
る。FIG. 16 is a refrigerant circuit diagram of Embodiment 5 according to the present invention.
【図１７】この発明による実施例６の電気品装置の要部
を示す斜視図である。FIG. 17 is a perspective view showing a main part of an electric device according to a sixth embodiment of the present invention.
【図１８】従来の空気調和機の室外ユニットの要部を示
す斜視図である。FIG. 18 is a perspective view showing a main part of an outdoor unit of a conventional air conditioner.
２ 圧縮機 ３ 送風機 ４ 電気品箱 ４ｇ 側面フランジ ５ 送風機室 ７ 吸入ダクト ８ 吸入穴 ９ 排気ダクト ２０ 案内片 ２１ｄ 案内片 ２２ 基板箱 ２２ｂ 吸入ダクト ２２ｄ 吸入穴 ２２ｆ 側面フランジ ２８ フランジ ２９ リブ ３１ 排気ダクト ３５ フランジ ３６ リブ ３８ 電気制御基板室 ３９ 仕切板 ４０ 段差部 ４１ ダクト ４２ 毛細管 ４３ 外気通風ダクト ４５ 吸入ダクト 2 Compressor 3 Blower 4 Electrical box 4g Side flange 5 Blower chamber 7 Suction duct 8 Suction hole 9 Exhaust duct 20 Guide piece 21d Guide piece 22 Substrate box 22b Suction duct 22d Suction hole 22f Side flange 28 Flange 29 Rib 31 Exhaust duct 35 Flange 36 Rib 38 Electric control board chamber 39 Partition plate 40 Step portion 41 Duct 42 Capillary tube 43 Outside air ventilation duct 45 Intake duct
───────────────────────────────────────────────────── フロントページの続き (72)発明者 青木 孝春 静岡市昭和町９番地の５ 株式会社金菱エ ンジニアリング静岡事業所内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Takaharu Aoki 5 5-9, Showa-cho, Shizuoka City Kanryo Engineering Co., Ltd. Shizuoka Plant
Claims (4)
タ等の電気部品を収納し、コンデンサ、ノイズフィル
タ、リレー等の主電気部品を収納すると共に、隅部に室
外ユニット側面の冷却空気取入用の吸入穴と当接する吸
入ダクトと、対向する一側面に送風機室へ空気排出させ
る排気ダクトとを設けた電気品箱と、上方を開口し長方
体形状の外郭を成し、その長方体形状の長手方向の一側
面に室外ユニット側面の冷却空気取入用の吸入穴と当接
する吸入ダクトと、直角方向一側面に送風機室へ空気排
出させる排気ダクトとを設けた基板箱とを備え、これら
電気品箱と基板箱とのそれぞれの背面に一対のＬ字形フ
ランジとリブとを立設し、それぞれ案内片に沿ってスラ
イド装着すると共に電気品箱と基板箱とを並設し、かつ
長手方向側面フランジを互いに当接し、固定したことを
特徴とする空気調和機の室外ユニット。1. An electric component such as a compressor, a blower, a heat exchanger, and an inverter is accommodated, main electrical components such as a condenser, a noise filter, and a relay are accommodated, and a cooling air intake on a side surface of an outdoor unit is provided at a corner. And an electric component box provided with an intake duct that abuts a suction hole for air conditioning, and an exhaust duct that discharges air to the blower chamber on one side surface, and a rectangular parallelepiped shell that opens upward and has a rectangular shape. A board box provided with an intake duct that abuts a cooling air intake hole on the side of the outdoor unit on one side surface in the longitudinal direction of the body shape, and an exhaust duct that discharges air to the blower chamber on one side surface at a right angle. A pair of L-shaped flanges and ribs are erected on the back surfaces of the electric component box and the board box, respectively, and are slid along the guide pieces, and the electric component box and the board box are arranged side by side, and Longitudinal side flange An outdoor unit for an air conditioner, characterized in that they are in contact with and fixed to each other.
び電子制御基板を収納する電気品箱体において、上記電
気品箱体を電子制御基板室と一般電気部品室とに区画す
る仕切板を設け、上記電子制御基板室に長方体形状の長
手方向の一側面に室外ユニット側面の冷却空気取入用の
吸入穴と当接する吸入ダクトと、直角方向一側面に送風
機室へ空気排出させる排気ダクトとを設け、かつ上記一
般電気部品室に室外ユニット側面の冷却空気取入用の吸
入穴と当接する吸入ダクトと、対向する一側面に送風機
室へ空気排出させる排気ダクトとを設けると共に、電気
品箱体背面にＬ字形フランジとリブとを立設し、案内片
に沿ってスライド装着したことを特徴とする電気品装
置。2. An electric component box for accommodating a capacitor, a noise filter, a relay and an electronic control board, wherein a partition plate for partitioning the electric component box into an electronic control board chamber and a general electric component chamber is provided. The control board chamber is provided with an intake duct on one side in the longitudinal direction of the rectangular parallelepiped, which comes into contact with an intake hole for cooling air intake on the side of the outdoor unit, and an exhaust duct on one side in the perpendicular direction, which exhausts air to the blower chamber. In addition, the general electric component chamber is provided with a suction duct that abuts a suction hole for cooling air intake on a side surface of the outdoor unit, and an exhaust duct that discharges air to the blower chamber on one side surface that faces the electric unit box. An electrical component device in which an L-shaped flange and a rib are erected on the base and slid along a guide piece.
ンバータ回路等の電気部品を収納し機械室及び送風機室
に隔絶する電気品箱を設けた室外ユニットにおいて、上
記電気品箱の前面パネル側コーナーをＬ形に削除し送風
機室側に向けて細長に開口形成したダクトと、このダク
トの前面パネルに相当する面に上記電気品箱内部と連通
する排気穴とを設けたことを特徴とする電気品装置。3. An outdoor unit in which electric parts such as a compressor, a blower, a heat exchanger, and an inverter circuit are housed inside, and an electric part box is provided to isolate the electric room from the machine room and the fan room. It is characterized in that a side corner is deleted to have an L shape and an elongated opening is formed toward the blower room side, and an exhaust hole communicating with the inside of the electric component box is provided on a surface corresponding to a front panel of the duct. Electrical equipment.
ンバータ回路等を内蔵した電気部箱を収納した室外ユニ
ットにおいて、室外ユニット本体背面に形成した外気吸
入口と、上記電気品箱の側板に設けた吸入穴を備え、こ
の吸入穴を覆うよう下方を開口させた吸入ダクトと上記
外気吸入口を覆い、かつ毛細管外周に立設すると共に、
上記吸入ダクトに連通状態に接続した外気通風ダクト
と、上記電気品箱の送風機室側に開口する排気ダクトと
を設けたことを特徴とする空気調和機の電気品装置。4. An outdoor unit having an electric unit box having a compressor, a blower, a heat exchanger, an inverter circuit, etc. built therein, and an outside air intake port formed on a rear surface of the outdoor unit body, and a side plate of the electric component box. A suction hole provided in the suction hole, covering the suction hole that covers the suction hole and the outside air suction port, and standing on the outer periphery of the capillary tube.
An electrical component device for an air conditioner, comprising: an outside air ventilation duct connected to the intake duct in a communicating state; and an exhaust duct opening to the blower chamber side of the electrical component box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23961891A JPH0579661A (en) | 1991-09-19 | 1991-09-19 | Outdoor unit for air-conditioning machine and electric appliance therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23961891A JPH0579661A (en) | 1991-09-19 | 1991-09-19 | Outdoor unit for air-conditioning machine and electric appliance therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0579661A true JPH0579661A (en) | 1993-03-30 |
Family
ID=17047411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23961891A Pending JPH0579661A (en) | 1991-09-19 | 1991-09-19 | Outdoor unit for air-conditioning machine and electric appliance therefor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0579661A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010175225A (en) * | 2009-02-02 | 2010-08-12 | Daikin Ind Ltd | Outdoor unit and method of manufacturing the same |
| JP2012141069A (en) * | 2010-12-28 | 2012-07-26 | Fujitsu General Ltd | Indoor unit of duct-type air conditioner |
| JP2012159225A (en) * | 2011-01-31 | 2012-08-23 | Fujitsu General Ltd | Air conditioner outdoor unit |
| CN102759150A (en) * | 2011-04-28 | 2012-10-31 | 三洋电机株式会社 | Outdoor unit for air conditioner |
| JP2013064539A (en) * | 2011-09-16 | 2013-04-11 | Mitsubishi Electric Corp | Heat pump outdoor unit |
| CN104913399A (en) * | 2014-03-10 | 2015-09-16 | 珠海格力电器股份有限公司 | Outdoor machine |
| CN109154447A (en) * | 2016-05-12 | 2019-01-04 | 三菱电机株式会社 | The outdoor unit of air-conditioning device |
| JP2019023564A (en) * | 2018-11-19 | 2019-02-14 | シャープ株式会社 | Indoor machine of air conditioner |
| WO2019239630A1 (en) * | 2018-06-15 | 2019-12-19 | シャープ株式会社 | Outdoor unit |
| WO2020100273A1 (en) * | 2018-11-16 | 2020-05-22 | 三菱電機株式会社 | Outdoor unit for air conditioner |
| US10760796B2 (en) | 2016-03-03 | 2020-09-01 | Mitsubishi Electric Corporation | Outdoor unit of air-conditioning apparatus |
| WO2021176940A1 (en) * | 2020-03-06 | 2021-09-10 | ダイキン工業株式会社 | Refrigerator used in transportation and transportation container |
-
1991
- 1991-09-19 JP JP23961891A patent/JPH0579661A/en active Pending
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010175225A (en) * | 2009-02-02 | 2010-08-12 | Daikin Ind Ltd | Outdoor unit and method of manufacturing the same |
| JP2012141069A (en) * | 2010-12-28 | 2012-07-26 | Fujitsu General Ltd | Indoor unit of duct-type air conditioner |
| JP2012159225A (en) * | 2011-01-31 | 2012-08-23 | Fujitsu General Ltd | Air conditioner outdoor unit |
| CN102759150A (en) * | 2011-04-28 | 2012-10-31 | 三洋电机株式会社 | Outdoor unit for air conditioner |
| JP2012233614A (en) * | 2011-04-28 | 2012-11-29 | Sanyo Electric Co Ltd | Outdoor unit for air conditioner device |
| CN102759150B (en) * | 2011-04-28 | 2016-01-20 | 三洋电机株式会社 | The outdoor unit of aircondition |
| JP2013064539A (en) * | 2011-09-16 | 2013-04-11 | Mitsubishi Electric Corp | Heat pump outdoor unit |
| CN104913399A (en) * | 2014-03-10 | 2015-09-16 | 珠海格力电器股份有限公司 | Outdoor machine |
| WO2015135396A1 (en) * | 2014-03-10 | 2015-09-17 | 珠海格力电器股份有限公司 | Outdoor unit |
| US10760796B2 (en) | 2016-03-03 | 2020-09-01 | Mitsubishi Electric Corporation | Outdoor unit of air-conditioning apparatus |
| EP3457037A4 (en) * | 2016-05-12 | 2019-05-22 | Mitsubishi Electric Corporation | Outdoor unit of air conditioner |
| CN109154447B (en) * | 2016-05-12 | 2021-10-29 | 三菱电机株式会社 | Outdoor unit of air conditioner |
| US10731875B2 (en) | 2016-05-12 | 2020-08-04 | Mitsubishi Electric Corporation | Outdoor unit of air-conditioning apparatus |
| CN109154447A (en) * | 2016-05-12 | 2019-01-04 | 三菱电机株式会社 | The outdoor unit of air-conditioning device |
| JPWO2019239630A1 (en) * | 2018-06-15 | 2021-06-24 | シャープ株式会社 | Outdoor unit |
| WO2019239630A1 (en) * | 2018-06-15 | 2019-12-19 | シャープ株式会社 | Outdoor unit |
| CN112219068A (en) * | 2018-06-15 | 2021-01-12 | 夏普株式会社 | Outdoor machine |
| WO2020100273A1 (en) * | 2018-11-16 | 2020-05-22 | 三菱電機株式会社 | Outdoor unit for air conditioner |
| JPWO2020100273A1 (en) * | 2018-11-16 | 2021-09-02 | 三菱電機株式会社 | Outdoor unit of air conditioner |
| JP2019023564A (en) * | 2018-11-19 | 2019-02-14 | シャープ株式会社 | Indoor machine of air conditioner |
| WO2021176940A1 (en) * | 2020-03-06 | 2021-09-10 | ダイキン工業株式会社 | Refrigerator used in transportation and transportation container |
| JP2021139573A (en) * | 2020-03-06 | 2021-09-16 | ダイキン工業株式会社 | Freezer for transportation and container for transportation |
| EP4095461A4 (en) * | 2020-03-06 | 2023-07-12 | Daikin Industries, Ltd. | Refrigerator used in transportation and transportation container |
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