WO2010052936A1 - インバータ一体型電動圧縮機 - Google Patents
インバータ一体型電動圧縮機 Download PDFInfo
- Publication number
- WO2010052936A1 WO2010052936A1 PCT/JP2009/005980 JP2009005980W WO2010052936A1 WO 2010052936 A1 WO2010052936 A1 WO 2010052936A1 JP 2009005980 W JP2009005980 W JP 2009005980W WO 2010052936 A1 WO2010052936 A1 WO 2010052936A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- inverter
- electric compressor
- compressor
- gap
- motor
- Prior art date
Links
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/121—Casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/008—Hermetic pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/80—Other components
- F04C2240/803—Electric connectors or cables; Fittings therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/80—Other components
- F04C2240/808—Electronic circuits (e.g. inverters) installed inside the machine
Definitions
- the present invention relates to an inverter-integrated electric compressor in which a motor drive circuit including an inverter is assembled in a compressor, and particularly to an inverter-integrated electric compressor in which an inverter portion is molded with urethane resin or the like.
- a molding material such as urethane resin is filled in the space that houses the motor drive circuit in order to protect the components that constitute the inverter unit from heat and vibration. ing.
- the molding material flows into the gap between the conductive wires in the caulking portion of the HV connector during this filling operation, the molding material expands due to a change in the temperature of the HV connector due to a change in the operating state of the compressor. There is a risk that the connection reliability at the crimped portion of the HV connector is lowered due to repeated contraction.
- an object of the present invention is to provide an inverter-integrated electric compressor in which the inverter part is molded with urethane resin or the like and the electrical connection part has excellent joining reliability.
- an inverter-integrated electric compressor includes a motor and an inverter-integrated electric motor in which a motor drive circuit including the inverter is provided in a housing space surrounded by the compressor housing.
- the crimping portion of the terminal of the conductive wire connected to the inverter is molded together with the inverter by the resin filled in the housing space, and an open gap to the outside in the crimping portion is previously sealed with a gap. It consists of what is characterized by being coat
- the inverter-integrated electric compressor of the present invention is molded together with the inverter in a state in which the open gap to the outside of the crimped portion of the terminal of the lead wire connected to the inverter is covered or sealed with a gap sealing material.
- the molding material does not flow into the internal gap of the crimping portion, and the connection reliability of the crimping portion is ensured.
- the gap sealing material it is preferable to use a material having a small degree of expansion or contraction due to a temperature change of the HV connector. By using such a material, it is possible to sufficiently secure the connection reliability of the caulking portion.
- the gap sealing material is temporarily in a fluid state by heating or the like and solidified by cooling or the like. It is preferable to use a material to be used. Specifically, a gap sealing material made of solder can be suitably used. For example, the solder is temporarily made to flow with a heated soldering iron, and in this state, the solder is allowed to flow into the opening gap, and the solder is solidified by natural cooling or forced cooling. It is possible to efficiently achieve gap covering and sealing.
- the leading end cross-sectional portion of the conducting wire is covered with the gap sealing material so as to cover the unevenness of the leading end cross-sectional portion of the conducting wire.
- the inverter-integrated electric compressor according to the present invention can be applied to virtually any type of compressor, but is often mounted in a narrow space, and the motor drive circuit is affected by heat and vibration. It is easy to use suitably as a compressor mounted on a vehicle.
- the compressor is configured in such a manner that the open gap to the outside of the crimped portion of the terminal of the conductive wire connected to the inverter is covered and sealed with the gap sealing material in advance. Since the housing space surrounded by the housing is molded with the inverter, the molding material will not enter the crimped part of the terminal of the lead wire connected to the inverter, ensuring the connection stability and connection reliability of the crimped part. Is possible.
- FIG. 3A is a perspective view in an uncovered state
- FIG. 3A is a perspective view in an uncovered state
- FIG. 1 shows an example of a scroll-type electric compressor for a vehicle air conditioner as a basic configuration of an inverter-integrated electric compressor 1 according to an embodiment of the present invention.
- reference numeral 2 denotes a compression mechanism composed of a fixed scroll 3 and a movable scroll 4.
- the movable scroll 4 is turned with respect to the fixed scroll 3 in a state in which the rotation is prevented via the ball coupling 5.
- a motor 7 is incorporated in the compressor housing (center housing) 6, and the main shaft 8 (rotary shaft) is rotationally driven by the built-in motor 7.
- the rotational motion of the main shaft 8 is converted into the turning motion of the movable scroll 4 through the eccentric pin 9 disposed on one end side of the main shaft 8 and the eccentric bush 10 rotatably engaged thereto. ing.
- a suction port 11 for sucking refrigerant as a fluid to be compressed is provided in the compressor housing (front housing) 12, and the sucked refrigerant is guided to the compression mechanism 2 through the motor 7 arrangement portion.
- the refrigerant compressed by the compression mechanism 2 is sent to the external circuit through the discharge port 13, the discharge chamber 14, and the discharge port 16 provided in the compressor housing (rear housing) 15.
- the driving circuit 21 for the motor 7 is provided in the compressor housing 12 (front housing), and more specifically, on the outer surface side of the partition wall 22 with the refrigerant suction path side formed in the compressor housing 12.
- a motor drive circuit 21 is provided.
- the motor drive circuit 21 supplies power to the motor 7 via a sealed terminal 23 (an output terminal of the motor drive circuit 21) attached through the partition wall 22 and a lead wire 24.
- the path side and the motor drive circuit 21 installation side are sealed.
- the motor drive circuit 21 includes an IPM (Intelligent Power Module) 25 having an inverter function and a control circuit 26, and an electrical component such as a capacitor 27 is provided separately or integrally therewith.
- the motor drive circuit 21 is connected to an external power source (not shown) via a connector 28 as an input terminal.
- the opening side to the outside of the compressor housing 12 on which the electric parts including the motor drive circuit 21 are mounted is covered in a state of being sealed with a lid member 29, and these electric parts are protected by the lid member 29. .
- the above configuration is shown as an electric circuit, for example, as shown in FIG.
- the electric compressor 1 is provided with a motor drive circuit 21, and an output from the motor drive circuit 21 is fed to each motor winding 41 of the built-in motor 7 via a sealing terminal 23 and a lead wire 24.
- the motor drive circuit 21 includes a motor drive high voltage circuit 30 and a control low circuit provided with a motor control circuit 44 for controlling each power element 43 (switching element) of the inverter 42 in the motor drive high voltage circuit 30.
- a voltage circuit 45 is provided, and the control low voltage circuit 45 is configured in the control circuit 26 shown in FIG.
- Electric power from an external power source 46 (for example, a battery) is supplied to the motor driving high voltage circuit 30 through the high voltage connector 47 and supplied to the inverter 42 via the noise filter 37 and the smoothing capacitor 27. Then, the direct current from the power source 46 is converted into a pseudo three-phase alternating current and then supplied to the motor 7.
- low voltage power is supplied to the motor control circuit 44 via a control signal connector 49 from an air conditioning control device 48 of the vehicle.
- the control signal connector 49 and the high voltage connector 47 are illustrated at positions apart from each other, but actually they are provided in the same connector 28 shown in FIG. 1.
- a shield plate 31 is fixed to the control circuit 26, and the shield plate 31 is interposed between the motor driving high voltage circuit 30 and the control circuit 26 having the control low voltage circuit 45 as shown in FIG.
- the motor driving high voltage circuit 30 is covered as much as possible to suppress the influence of noise from the motor driving high voltage circuit 30 to the control low voltage circuit 45 side.
- FIG. 3 is a perspective view showing a state in which the motor drive circuit 21 is housed in the housing space 60 surrounded by the compressor housing (front housing) 12 in the compressor 1 of FIG.
- a case member 58 and an IPM 25 are accommodated in the accommodation space 60.
- a high voltage connector 47 formed of a crimp terminal is caulked to the tip of the lead wire 24.
- the high voltage connector 47 is fixed to the case member 58 with screws, and is electrically connected between the noise filter 37 and the capacitor 27 installed on the back surface of the case member 58.
- FIG. 4A and 4B show a caulking portion for connecting the high voltage connector 47 and the lead wire 24 shown in FIG. 3.
- FIG. 4A is a perspective view showing a state in which the caulking portion is not covered, and FIG. It is a perspective view of the state coat
- the high voltage connector 47 is caulked to the lead wire 24.
- the caulking portion 61 the plurality of conductive wires 62 bundled by covering the lead wires 24 form an open gap 63 to the outside, and when a molding material made of urethane resin or the like enters the open gap 63, the caulking portion The connection reliability of 61 is lowered. Therefore, as shown in FIG.
- solder 64 as a gap sealing material is caused to flow into the open gap 63, and in this state, the molding material is filled into the accommodation space 60 of FIG. By molding, the molding material is prevented from flowing into the caulking portion 61.
- the tip cross-section portion of the conducting wire 62 is completely covered with the solder 64 so that the connection reliability of the caulking portion 61 is sufficiently ensured even when the molding material adheres to this portion. It becomes possible to do.
- the inverter-integrated electric compressor according to the present invention can be applied to virtually any type of compressor, but is often mounted in a narrow space, and the motor drive circuit is affected by heat and vibration. It is easy to use as a compressor mounted on a vehicle.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
Description
図1は、本発明の一実施態様に係るインバータ一体型電動圧縮機1の基本構成として、車両空調装置用のスクロール型電動圧縮機の例を示している。図1において、2は、固定スクロール3と可動スクロール4からなる圧縮機構を示している。可動スクロール4は、ボールカップリング5を介して自転が阻止された状態で、固定スクロール3に対して旋回されるようになっている。圧縮機ハウジング(センターハウジング)6内には、モータ7が組み込まれており、この内蔵モータ7によって主軸8(回転軸)が回転駆動される。主軸8の一端側に配設された偏心ピン9、それに対して回転自在に係合された偏心ブッシュ10を介して、主軸8の回転運動が可動スクロール4の旋回運動に変換されるようになっている。本実施態様では、被圧縮流体としての冷媒を吸入する吸入ポート11が圧縮機ハウジング(フロントハウジング)12に設けられており、吸入された冷媒は、モータ7配置部を通して圧縮機構2へと導かれ、圧縮機構2で圧縮された冷媒は、吐出孔13、吐出室14、圧縮機ハウジング(リアハウジング)15に設けられた吐出ポート16を通して外部回路に送られる。
われており、これら電気部品が蓋部材29により保護されている。
2 圧縮機構
3 固定スクロール
4 可動スクロール
5 ボールカップリング
6 圧縮機ハウジング(センターハウジング)
7 モータ
8 主軸
9 偏心ピン
10 偏心ブッシュ
11 吸入ポート
12 圧縮機ハウジング(フロントハウジング)
13 吐出孔
14 吐出室
15 圧縮機ハウジング(リアハウジング)
16 吐出ポート
21 モータ駆動回路
22 仕切壁
23 密封端子
24 リード線
25 IPM
26 制御回路
27 コンデンサ
28 コネクタ
29 蓋部材
30 モータ駆動用高電圧回路
31 シールドプレート
37 ノイズフィルタ
41 モータ巻線
42 インバータ
43 パワー素子
44 モータ制御回路
45 制御用低電圧回路
46 外部電源
47 高電圧用コネクタ(HVコネクタ)
48 空調制御装置
49 制御信号用コネクタ
58 ケース部材
60 収容空間
61 カシメ部
62 導線
63 開放間隙
64 間隙封止材としての半田
Claims (4)
- モータが内蔵され、インバータを含むモータ駆動回路が圧縮機ハウジングで囲まれた収容空間内に設けられたインバータ一体型電動圧縮機において、
前記インバータに接続された導線の端子のカシメ部が、前記収容空間に充填される樹脂によってインバータごとモールドされており、該カシメ部における外部への開放間隙が、予め、間隙封止材により被覆、封止されていることを特徴とするインバータ一体型電動圧縮機。 - 前記導線の先端断面部も、前記間隙封止材で被覆されている、請求項1に記載のインバータ一体型電動圧縮機。
- 前記間隙封止材が半田からなる、請求項1または2に記載のインバータ一体型電動圧縮機。
- 車両に搭載される圧縮機からなる、請求項1~3のいずれかに記載のインバータ一体型電動圧縮機。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112009002720.2T DE112009002720B4 (de) | 2008-11-10 | 2009-11-10 | Elektrischer Kompressor mit integriertem Wechselrichter |
CN2009801454314A CN102209850A (zh) | 2008-11-10 | 2009-11-10 | 逆变器一体型电动压缩机 |
US13/128,618 US20110217191A1 (en) | 2008-11-10 | 2009-11-10 | Inverter-Integrated Electric Compressor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008-287719 | 2008-11-10 | ||
JP2008287719A JP5416388B2 (ja) | 2008-11-10 | 2008-11-10 | インバータ一体型電動圧縮機 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010052936A1 true WO2010052936A1 (ja) | 2010-05-14 |
Family
ID=42152749
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2009/005980 WO2010052936A1 (ja) | 2008-11-10 | 2009-11-10 | インバータ一体型電動圧縮機 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20110217191A1 (ja) |
JP (1) | JP5416388B2 (ja) |
CN (1) | CN102209850A (ja) |
DE (1) | DE112009002720B4 (ja) |
WO (1) | WO2010052936A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012098624A1 (ja) * | 2011-01-19 | 2012-07-26 | 株式会社ヴァレオジャパン | 電動コンプレッサ |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5235312B2 (ja) * | 2007-02-22 | 2013-07-10 | サンデン株式会社 | インバータ一体型電動圧縮機の製造方法 |
JP5308917B2 (ja) * | 2009-05-29 | 2013-10-09 | サンデン株式会社 | インバータ一体型電動圧縮機 |
JP5558537B2 (ja) * | 2012-09-06 | 2014-07-23 | 三菱重工業株式会社 | インバータ一体型電動圧縮機およびその製造方法並びに蓋体 |
JP5884795B2 (ja) * | 2013-09-03 | 2016-03-15 | 株式会社豊田自動織機 | 電動圧縮機 |
JP2015121196A (ja) * | 2013-12-25 | 2015-07-02 | 株式会社豊田自動織機 | 電動圧縮機用の半導体装置 |
CN104733896B (zh) * | 2015-02-12 | 2017-08-25 | 四川天泉汽车空调有限公司 | 一种车载空调用电动制冷压缩机 |
JP6601246B2 (ja) * | 2016-02-08 | 2019-11-06 | 株式会社豊田自動織機 | 電動圧縮機 |
JP6646491B2 (ja) * | 2016-03-24 | 2020-02-14 | サンデン・オートモーティブコンポーネント株式会社 | 電子回路装置及びそれを備えたインバータ一体型電動圧縮機 |
EP3660306B1 (en) * | 2017-11-27 | 2021-07-07 | Fico Cables Lda | Integrated pump valve device for providing pressurized air |
JP7059739B2 (ja) * | 2018-03-22 | 2022-04-26 | 株式会社デンソー | モータ |
JP6881378B2 (ja) * | 2018-03-30 | 2021-06-02 | 株式会社豊田自動織機 | 電動圧縮機 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS5667177A (en) * | 1979-11-07 | 1981-06-06 | Tokyo Shibaura Electric Co | Method of connecting terminal |
JPH01304669A (ja) * | 1988-05-31 | 1989-12-08 | Yazaki Corp | 圧着端子の導電体結合構造およびその形成法 |
JPH0595167U (ja) * | 1992-05-14 | 1993-12-24 | アスモ株式会社 | 回転電機の電線接続構造 |
JPH06151034A (ja) * | 1992-11-10 | 1994-05-31 | Riken Densen Kk | 線材端末の接続方法およびその装置 |
JP2002070743A (ja) * | 2000-08-29 | 2002-03-08 | Sanden Corp | 冷媒圧縮用電動式圧縮機 |
JP2007335260A (ja) * | 2006-06-15 | 2007-12-27 | Epson Imaging Devices Corp | 基板の接続端子と被覆導体線との接続構造 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3366489B2 (ja) * | 1995-04-14 | 2003-01-14 | 三洋電機株式会社 | 電動圧縮機 |
JP3279187B2 (ja) * | 1995-07-18 | 2002-04-30 | オムロン株式会社 | 近接センサとその製造方法 |
JP3232964B2 (ja) * | 1995-07-20 | 2001-11-26 | オムロン株式会社 | 電子機器 |
JP3971987B2 (ja) * | 2002-06-13 | 2007-09-05 | 日本電産サンキョー株式会社 | モータのステータ構造 |
EP2151891A1 (en) * | 2008-08-06 | 2010-02-10 | Sumitomo Wiring Systems, Ltd. | A terminal fitting and a method of forming it |
-
2008
- 2008-11-10 JP JP2008287719A patent/JP5416388B2/ja not_active Expired - Fee Related
-
2009
- 2009-11-10 WO PCT/JP2009/005980 patent/WO2010052936A1/ja active Application Filing
- 2009-11-10 CN CN2009801454314A patent/CN102209850A/zh active Pending
- 2009-11-10 DE DE112009002720.2T patent/DE112009002720B4/de not_active Expired - Fee Related
- 2009-11-10 US US13/128,618 patent/US20110217191A1/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5667177A (en) * | 1979-11-07 | 1981-06-06 | Tokyo Shibaura Electric Co | Method of connecting terminal |
JPH01304669A (ja) * | 1988-05-31 | 1989-12-08 | Yazaki Corp | 圧着端子の導電体結合構造およびその形成法 |
JPH0595167U (ja) * | 1992-05-14 | 1993-12-24 | アスモ株式会社 | 回転電機の電線接続構造 |
JPH06151034A (ja) * | 1992-11-10 | 1994-05-31 | Riken Densen Kk | 線材端末の接続方法およびその装置 |
JP2002070743A (ja) * | 2000-08-29 | 2002-03-08 | Sanden Corp | 冷媒圧縮用電動式圧縮機 |
JP2007335260A (ja) * | 2006-06-15 | 2007-12-27 | Epson Imaging Devices Corp | 基板の接続端子と被覆導体線との接続構造 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012098624A1 (ja) * | 2011-01-19 | 2012-07-26 | 株式会社ヴァレオジャパン | 電動コンプレッサ |
CN103282659A (zh) * | 2011-01-19 | 2013-09-04 | 法雷奥日本株式会社 | 电动压缩机 |
Also Published As
Publication number | Publication date |
---|---|
DE112009002720T5 (de) | 2013-02-07 |
US20110217191A1 (en) | 2011-09-08 |
CN102209850A (zh) | 2011-10-05 |
DE112009002720B4 (de) | 2020-08-06 |
JP5416388B2 (ja) | 2014-02-12 |
JP2010112338A (ja) | 2010-05-20 |
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