JPWO2021250889A5 - - Google Patents
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- JPWO2021250889A5 JPWO2021250889A5 JP2022529988A JP2022529988A JPWO2021250889A5 JP WO2021250889 A5 JPWO2021250889 A5 JP WO2021250889A5 JP 2022529988 A JP2022529988 A JP 2022529988A JP 2022529988 A JP2022529988 A JP 2022529988A JP WO2021250889 A5 JPWO2021250889 A5 JP WO2021250889A5
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- ridgeline
- air conditioner
- outdoor unit
- region
- upstream
- Prior art date
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- 238000011144 upstream manufacturing Methods 0.000 claims description 22
Description
本開示の空気調和装置の室外機は、熱交換器と、前記熱交換器に誘引される空気の流れを生成する軸流ファンと、前記空気が通過する開口を有し、前記熱交換器を収容し、前記開口と前記熱交換器との間に前記軸流ファンを収容する筐体と、前記筐体の内部において、前記軸流ファンの周囲に設けられ、前記空気を前記開口に誘導する環状のベルマウスとを備え、前記ベルマウスは、前記空気が流入する上流側の内径が、下流側の内径より大きい第１テーパ部と、前記第１テーパ部から下流側に直線状に延びる直管部とを有しており、前記第１テーパ部は、前記空気の流入口を形成する第１屈曲部と、前記直管部と連なり、前記第１屈曲部よりも内径が小さい第２屈曲部と、前記第１屈曲部と前記第２屈曲部とに連なり、内面が直線状に延びた連結部とを有しており、前記直管部の軸の方向に沿った少なくとも一部の前記第１テーパ部の長さは、前記軸の方向に沿った前記直管部の長さよりも長く、前記第２屈曲部の第２曲率半径は、前記ベルマウスの周方向に変化する。 The outdoor unit of the air conditioner of the present disclosure has a heat exchanger, an axial fan that generates an air flow that is attracted to the heat exchanger, and an opening through which the air passes, a housing for housing the axial fan between the opening and the heat exchanger; and a housing provided around the axial fan inside the housing for guiding the air to the opening. an annular bell mouth, the bell mouth having a first tapered portion in which the inner diameter of the upstream side into which the air flows is larger than the inner diameter of the downstream side; and a pipe portion, wherein the first tapered portion includes a first bent portion forming the air inlet, and a second bent portion connected to the straight pipe portion and having an inner diameter smaller than that of the first bent portion. and a connecting portion having an inner surface extending linearly and connecting to the first bent portion and the second bent portion, and at least a portion of the straight pipe portion along the axial direction of the straight pipe portion. The length of the first tapered portion is longer than the length of the straight pipe portion along the direction of the axis, and the second radius of curvature of the second bent portion varies in the circumferential direction of the bellmouth .
Claims (18)
前記熱交換器に誘引される空気の流れを生成する軸流ファンと、
前記空気が通過する開口を有し、前記熱交換器を収容し、前記開口と前記熱交換器との間に前記軸流ファンを収容する筐体と、
前記筐体の内部において、前記軸流ファンの周囲に設けられ、前記空気を前記開口に誘導する環状のベルマウスと
を備え、
前記ベルマウスは、
前記空気が流入する上流側の内径が、下流側の内径より大きい第１テーパ部と、
前記第１テーパ部から下流側に直線状に延びる直管部と
を有しており、
前記第１テーパ部は、
前記空気の流入口を形成する第１屈曲部と、
前記直管部と連なり、前記第１屈曲部よりも内径が小さい第２屈曲部と、
前記第１屈曲部と前記第２屈曲部とに連なり、内面が直線状に延びた連結部と
を有しており、
前記直管部の軸の方向に沿った少なくとも一部の前記第１テーパ部の長さは、前記軸の方向に沿った前記直管部の長さよりも長く、
前記第２屈曲部の第２曲率半径は、前記ベルマウスの周方向に変化する
空気調和装置の室外機。 a heat exchanger;
an axial fan for generating a flow of air that is drawn into the heat exchanger;
a housing having an opening through which the air passes, housing the heat exchanger, and housing the axial fan between the opening and the heat exchanger;
an annular bell mouth provided around the axial fan inside the housing for guiding the air to the opening;
The bell mouth is
a first tapered portion in which the inner diameter on the upstream side into which the air flows is larger than the inner diameter on the downstream side;
a straight pipe portion extending linearly downstream from the first tapered portion;
The first tapered portion is
a first bend forming the air inlet;
a second bent portion connected to the straight pipe portion and having an inner diameter smaller than that of the first bent portion;
It has a connecting portion that is connected to the first bent portion and the second bent portion and has a linearly extending inner surface,
a length of at least a portion of the first tapered portion along the axial direction of the straight pipe portion is longer than a length of the straight pipe portion along the axial direction;
A second radius of curvature of the second bent portion varies in a circumferential direction of the bell mouth.
Outdoor unit of air conditioner.
請求項１に記載の空気調和装置の室外機。 The outdoor unit of an air conditioner according to claim 1, wherein the first radius of curvature of the first curved portion is larger than the second radius of curvature of the second curved portion.
請求項２に記載の空気調和装置の室外機。 The outdoor unit of an air conditioner according to claim 2, wherein the first radius of curvature of the first curved portion changes in the circumferential direction of the bell mouth.
請求項１～３のいずれか一項に記載の空気調和装置の室外機。 The outdoor unit of an air conditioner according to any one of claims 1 to 3, wherein the length of the inner surface of the linearly extending connecting portion varies in the circumferential direction of the bell mouth.
請求項１～４のいずれか一項に記載の空気調和装置の室外機。 The outdoor unit of an air conditioner according to any one of claims 1 to 4, wherein the first central angle of the first bent portion changes in the circumferential direction of the bell mouth.
請求項１～５のいずれか一項に記載の空気調和装置の室外機。 The outdoor unit of an air conditioner according to any one of claims 1 to 5, wherein the second central angle of the second bent portion varies in the circumferential direction of the bell mouth.
前記軸流ファンの軸方向と交差する方向に延びる第１部分と、
前記第１部分と交差する方向に延び、前記第１テーパ部と間隔をあけて配置された第２部分とを有し、
前記第１屈曲部の内面は、第１上流側領域と第２上流側領域とからなり、
前記第１上流側領域及び前記第２上流側領域は、前記空気が流入する上流側から下流側に延びる第１稜線により形成されており、
前記第１上流側領域を形成する前記第１稜線は、前記ベルマウスの内側に向けて膨らんでおり、
前記第１上流側領域を形成する前記第１稜線の延長線上には、前記第２部分が配置されており、
前記第２上流側領域を形成する前記第１稜線の延長線上には、前記第２部分が配置されておらず、
前記第２屈曲部の内面は、第１下流側領域と第２下流側領域とからなり、
前記第１下流側領域及び前記第２下流側領域は、前記ベルマウスの内側に向けて膨らんだ第２稜線により形成されており、
前記第１下流側領域を形成する前記第２稜線は、前記第１上流側領域の前記第１稜線の延長線上に配置されており、
前記第２下流側領域を形成する前記第２稜線は、前記第２上流側領域の前記第１稜線の延長線上に配置されている
請求項１に記載の空気調和装置の室外機。 The heat exchanger is formed in an L shape when viewed from above,
a first portion extending in a direction crossing the axial direction of the axial fan;
a second portion extending in a direction intersecting the first portion and spaced apart from the first tapered portion;
The inner surface of the first bent portion is composed of a first upstream region and a second upstream region,
The first upstream region and the second upstream region are formed by a first ridge extending downstream from the upstream side into which the air flows,
the first ridge forming the first upstream region bulges toward the inside of the bell mouth;
The second portion is arranged on an extension line of the first ridge forming the first upstream region,
The second portion is not arranged on an extension line of the first ridge forming the second upstream region,
The inner surface of the second bent portion is composed of a first downstream region and a second downstream region,
The first downstream region and the second downstream region are formed by a second ridgeline that bulges toward the inside of the bellmouth,
The second ridgeline forming the first downstream area is arranged on an extension of the first ridgeline of the first upstream area,
The outdoor unit of an air conditioner according to claim 1, wherein the second ridge forming the second downstream area is arranged on an extension of the first ridge of the second upstream area.
請求項７に記載の空気調和装置の室外機。 The outdoor unit of an air conditioner according to claim 7, wherein the first radius of curvature of the first ridgeline is larger than the second radius of curvature of the second ridgeline.
請求項８に記載の空気調和装置の室外機。 9. The outdoor unit of an air conditioner according to claim 8, wherein a first central angle of said first ridgeline forming said first upstream area is different from a first central angle of said first ridgeline of said second upstream area. .
請求項９に記載の空気調和装置の室外機。 10. The outdoor air conditioner according to claim 9, wherein a first central angle of said first ridgeline forming said first upstream area is smaller than a first central angle of said first ridgeline of said second upstream area. machine.
請求項７～１０のいずれか一項に記載の空気調和装置の室外機。 The first radius of curvature of the first ridge forming the first upstream region is different from the first radius of curvature of the first ridge of the second upstream region according to any one of claims 7 to 10. air conditioner outdoor unit.
請求項７～１１のいずれか一項に記載の空気調和装置の室外機。 12. The second central angle of the second ridgeline forming the first downstream region is different from the second central angle of the second ridgeline of the second downstream region according to any one of claims 7 to 11. air conditioner outdoor unit.
請求項７～１２のいずれか一項に記載の空気調和装置の室外機。 The second radius of curvature of the second ridgeline forming the first downstream region is different from the second radius of curvature of the second ridgeline of the second downstream region according to any one of claims 7 to 12. air conditioner outdoor unit.
前記第１中間領域及び前記第２中間領域は、直線状の第３稜線により形成されており、
前記第１中間領域を形成する前記第３稜線は、前記第１上流側領域の前記第１稜線と前記第１下流側領域を形成する前記第２稜線との間につながっており、
前記第２中間領域を形成する前記第３稜線は、前記第２上流側領域の前記第１稜線と前記第２下流側領域の前記第２稜線との間につながっており、
前記第１中間領域を形成する前記第３稜線の長さは、前記第２中間領域を形成する前記第３稜線の長さと異なる
請求項７～１３のいずれか一項に記載の空気調和装置の室外機。 The inner surface of the connecting portion is composed of a first intermediate region and a second intermediate region,
The first intermediate region and the second intermediate region are formed by a linear third ridge,
the third ridgeline forming the first intermediate area is connected between the first ridgeline of the first upstream area and the second ridgeline forming the first downstream area;
the third edge forming the second intermediate area is connected between the first edge of the second upstream area and the second edge of the second downstream area;
The length of the third ridgeline forming the first intermediate region is different from the length of the third ridgeline forming the second intermediate region, The air conditioner according to any one of claims 7 to 13 Outdoor unit.
請求項１４に記載の空気調和装置の室外機。 The outdoor unit of an air conditioner according to claim 14, wherein the length of the third ridgeline forming the first intermediate area is shorter than the length of the third ridgeline forming the second intermediate area.
請求項１～１５のいずれか一項に記載の空気調和装置の室外機。 The outdoor unit of an air conditioner according to any one of claims 1 to 15, wherein the length of the first taper portion along the axial direction of the straight tube portion varies in the circumferential direction.
請求項１～１６のいずれか一項に記載の空気調和装置の室外機。 The bell mouth has a second tapered portion which is continuous with the straight pipe portion and the opening of the housing and whose inner diameter increases from the straight pipe portion on the upstream side toward the opening on the downstream side. Item 17. The outdoor unit of the air conditioner according to any one of Items 1 to 16.
請求項１７に記載の空気調和装置の室外機。 18. The outdoor unit of an air conditioner according to claim 17, wherein the second opening diameter of the downstream end of the second taper portion is larger than the first opening diameter of the upstream end of the first taper portion.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2020/023211 WO2021250889A1 (en) | 2020-06-12 | 2020-06-12 | Outdoor unit of air conditioning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2021250889A1 JPWO2021250889A1 (en) | 2021-12-16 |
| JPWO2021250889A5 true JPWO2021250889A5 (en) | 2022-09-09 |
Family
ID=78847133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022529988A Pending JPWO2021250889A1 (en) | 2020-06-12 | 2020-06-12 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20230142460A1 (en) |
| EP (1) | EP4166859A4 (en) |
| JP (1) | JPWO2021250889A1 (en) |
| CN (1) | CN115698594A (en) |
| WO (1) | WO2021250889A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115264599A (en) * | 2022-08-04 | 2022-11-01 | 珠海格力电器股份有限公司 | Guiding device, fan and air conditioner |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6277735U (en) * | 1985-11-01 | 1987-05-18 | ||
| EP2233847B1 (en) * | 2008-03-11 | 2016-07-13 | Mitsubishi Electric Corporation | Air conditioner |
| JP4823294B2 (en) * | 2008-11-04 | 2011-11-24 | 三菱電機株式会社 | Blower and heat pump device using this blower |
| JP5396965B2 (en) * | 2009-03-30 | 2014-01-22 | ダイキン工業株式会社 | Axial blower, air conditioner and ventilator |
| JP2013096622A (en) | 2011-10-31 | 2013-05-20 | Daikin Industries Ltd | Outdoor unit of air conditioner |
| GB2557130C (en) * | 2015-11-02 | 2021-03-31 | Mitsubishi Electric Corp | Outdoor Unit of Air Conditioner and Refrigeration Cycle Device |
| WO2021084605A1 (en) * | 2019-10-29 | 2021-05-06 | 三菱電機株式会社 | Outdoor unit for air conditioning device |
-
2020
- 2020-06-12 WO PCT/JP2020/023211 patent/WO2021250889A1/en unknown
- 2020-06-12 JP JP2022529988A patent/JPWO2021250889A1/ja active Pending
- 2020-06-12 CN CN202080101764.3A patent/CN115698594A/en active Pending
- 2020-06-12 EP EP20939687.8A patent/EP4166859A4/en active Pending
- 2020-06-12 US US17/918,350 patent/US20230142460A1/en active Pending
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