JP2015001192A - 遠心送風機、空気調和機、及び遠心送風機の製造方法 - Google Patents
遠心送風機、空気調和機、及び遠心送風機の製造方法 Download PDFInfo
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- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
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- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
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- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
- B29C65/16—Laser beams
- B29C65/1629—Laser beams characterised by the way of heating the interface
- B29C65/1635—Laser beams characterised by the way of heating the interface at least passing through one of the parts to be joined, i.e. laser transmission welding
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- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
- B29C65/16—Laser beams
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- B29C66/543—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles joining more than two hollow-preforms to form said hollow articles
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- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
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- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
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- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
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- F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/626—Mounting or removal of fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0022—Centrifugal or radial fans
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
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- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
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- F05D2230/232—Manufacture essentially without removing material by permanently joining parts together by welding
- F05D2230/234—Laser welding
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Abstract
Description
本発明の実施の形態1に係る遠心送風機及びその製造方法について説明する。図1は、本実施の形態に係る遠心送風機1の概略構成を示す斜視図である。図2は、本実施の形態に係る遠心送風機1を軸方向に切断した概略の断面構成を示す模式図である。なお、図1及び図2を含む以下の図面では、各構成部材の寸法の関係や形状等が実際のものとは異なる場合がある。
本発明の実施の形態2に係る遠心送風機について説明する。図7(a)、(b)は、本実施の形態に係る遠心送風機の翼50の概略の断面構成を示す断面図であり、実施の形態1の図4に対応する図である。本実施の形態は、実施の形態1と比較すると、突起51、52a等の断面形状が異なっている点に特徴を有している。なお、実施の形態1に係る翼30と同一の機能及び作用を有する構成要素については、同一の符号を付してその説明を省略する。
本発明の実施の形態3に係る遠心送風機について説明する。図8は、本実施の形態に係る遠心送風機の翼60の概略の断面構成を示す断面図であり、実施の形態1の図4に対応する図である。本実施の形態は、実施の形態1と比較すると、突起36、37a等の配置位置に特徴を有している。なお、実施の形態1に係る翼30と同一の機能及び作用を有する構成要素については、同一の符号を付してその説明を省略する。
本発明の実施の形態4に係る遠心送風機について説明する。本実施の形態は、実施の形態1及び実施の形態2における突起36、37a、37b、51、52a等の幅を最適化したことを特徴としている。本例では、円弧状の断面形状を有する突起36、37a、37bの幅を除いて同一の構成を有する5種類の翼を作製し、各翼のそれぞれを主板10及びシュラウド20と組み合わせ、5種類の組立体を作製した。各翼における突起36、37a、37bの幅は、それぞれレーザー径(レーザー光のスポット径)の25%、50%、100%、150%、175%とした。各組立体において、主板10とシュラウド20との間をそれぞれ同等の荷重で加圧しながら溶着面同士のレーザー溶着を行い、各翼と主板10及びシュラウド20との間の溶着強度をそれぞれ評価した。
本発明の実施の形態5に係る空気調和機について説明する。図11は、本実施の形態に係る空気調和機の概略構成を示す部分断面図である。本実施の形態に係る空気調和機は、実施の形態1〜4のいずれかに係る遠心送風機(例えば、実施の形態1に係る遠心送風機1)を備えている。本実施の形態では、空気調和機の例として、天井埋込型の室内機100を例に挙げて説明する。なお、実施の形態1の遠心送風機1と同一の機能及び作用を有する構成要素については、同一の符号を付してその説明を省略する。
本発明は、上記実施の形態に限らず種々の変形が可能である。
例えば、上記実施の形態では、3次元翼形状を有する翼30を例に挙げたが、翼30は2次元翼形状を有していてもよい。
Claims (8)
- ファンモーターにより回転駆動される主板と、前記主板に対向して配置されたシュラウドと、前記主板と前記シュラウドとの間に設置された複数の翼と、を備え、回転軸方向から吸入した気体を当該回転軸に交差する方向に吹き出す遠心送風機であって、
前記翼は、前記主板及び前記シュラウドのうち少なくとも一方に形成された被当接面に当接する当接面を有し、
前記当接面には、直線状又は曲線状に延伸した突起が形成されており、
前記当接面及び前記被当接面は、前記突起上に照射され前記突起に沿って走査されたレーザー光によって互いに溶着されていることを特徴とする遠心送風機。 - 前記翼は、
前記翼の一方の翼面の少なくとも一部を構成する第1部材と、
前記第1部材に対向して配置され前記翼の他方の翼面の少なくとも一部を構成する表面部と、前記表面部の端部から前記第1部材の端部に向かって延出した周縁部とを備え、前記第1部材との間に中空空間を形成する第2部材と、を有し、
前記当接面は、前記周縁部に形成されており、
前記突起は、前記周縁部の延出方向において、前記当接面の中心部よりも前記表面部寄りに形成されていることを特徴とする請求項1に記載の遠心送風機。 - 前記突起の断面形状は、三角形状、四角形状又は円弧状のいずれかであり、
前記突起の幅は、前記レーザー光のスポット径の50%以上150%以下であることを特徴とする請求項1又は請求項2に記載の遠心送風機。 - 前記翼は、第1の樹脂材料で形成されており、
前記被当接面が形成された前記主板及び前記シュラウドのうち少なくとも一方は、第2の樹脂材料で形成されており、
前記第1の樹脂材料の前記レーザー光に対する吸収率は、前記第2の樹脂材料の前記レーザー光に対する吸収率よりも高く、
前記第2の樹脂材料の前記レーザー光に対する透過率は、前記第1の樹脂材料の前記レーザー光に対する透過率よりも高いことを特徴とする請求項1〜請求項3のいずれか一項に記載の遠心送風機。 - 前記翼は、前記主板と前記シュラウドとの間でねじれた3次元翼形状を有していることを特徴とする請求項1〜請求項4のいずれか一項に記載の遠心送風機。
- 請求項1〜請求項5のいずれか一項に記載の遠心送風機を備えたことを特徴とする空気調和機。
- ファンモーターにより回転駆動される主板と、前記主板に対向して配置されたシュラウドと、前記主板と前記シュラウドとの間に設置された複数の翼と、を備え、回転軸方向から吸入した気体を当該回転軸に交差する方向に吹き出す遠心送風機を製造する方法であって、
前記翼のうち、前記主板及び前記シュラウドのうち少なくとも一方に形成された被当接面に当接する当接面に、直線状又は曲線状に延伸した突起を形成し、
前記当接面に形成された前記突起と前記被当接面とを当接させ、
レーザー光を前記突起上に照射するとともに前記突起に沿って走査して、前記当接面と前記被当接面とを溶着することを特徴とする遠心送風機の製造方法。 - 前記当接面と前記被当接面とを溶着する際には、前記翼を挟んで前記主板と前記シュラウドとを互いに押し付け合う方向に加圧し、前記当接面と前記被当接面とを密着させることを特徴とする請求項7に記載の遠心送風機の製造方法。
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AU2014279400A AU2014279400B2 (en) | 2013-06-14 | 2014-04-16 | Centrifugal fan, air-conditioning apparatus, and method of manufacturing centrifugal fan |
MX2015017140A MX367947B (es) | 2013-06-14 | 2014-04-16 | Ventilador centrífugo, aparato de aire acondicionado y método de fabricación del ventilador centrífugo. |
PCT/JP2014/060774 WO2014199719A1 (ja) | 2013-06-14 | 2014-04-16 | 遠心送風機、空気調和機、及び遠心送風機の製造方法 |
US14/889,963 US10309412B2 (en) | 2013-06-14 | 2014-04-16 | Centrifugal fan, air-conditioning apparatus, and method of manufacturing centrifugal fan |
EP14811463.0A EP3009687B1 (en) | 2013-06-14 | 2014-04-16 | Centrifugal fan, air conditioner, and method for manufacturing centrifugal fan |
CN201420277574.9U CN203892252U (zh) | 2013-06-14 | 2014-05-28 | 离心送风机以及空调机 |
CN201410228892.0A CN104235063B (zh) | 2013-06-14 | 2014-05-28 | 离心送风机、空调机以及离心送风机的制造方法 |
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