JPWO2013171957A1 - Electric compressor - Google Patents
Electric compressor Download PDFInfo
- Publication number
- JPWO2013171957A1 JPWO2013171957A1 JP2014515470A JP2014515470A JPWO2013171957A1 JP WO2013171957 A1 JPWO2013171957 A1 JP WO2013171957A1 JP 2014515470 A JP2014515470 A JP 2014515470A JP 2014515470 A JP2014515470 A JP 2014515470A JP WO2013171957 A1 JPWO2013171957 A1 JP WO2013171957A1
- Authority
- JP
- Japan
- Prior art keywords
- electric motor
- electric compressor
- container
- compression mechanism
- inverter
- 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.)
- Granted
Links
- 230000006835 compression Effects 0.000 claims abstract description 31
- 238000007906 compression Methods 0.000 claims abstract description 31
- 230000035939 shock Effects 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 13
- 239000003921 oil Substances 0.000 description 11
- 239000010687 lubricating oil Substances 0.000 description 7
- 239000003507 refrigerant Substances 0.000 description 7
- 238000005461 lubrication Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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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
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/10—Outer members for co-operation with rotary pistons; Casings
-
- 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
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
-
- 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
-
- 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
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/28—Safety arrangements; Monitoring
-
- 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
- F04D29/40—Casings; Connections of working fluid
-
- 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
- F04C2240/808—Electronic circuits (e.g. inverters) installed inside the machine
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
圧縮機構部４と、圧縮機構部４を駆動する電動機部と、電動機部を駆動するインバータ８とを内蔵した筐体を備えた電動圧縮機において、外部からの衝撃を受ける被衝撃部３ｄが筐体の表面に具備されており、被衝撃部３ｄは、電動機部を内蔵した部分とインバータ８を内蔵した部分以外の部分にのみ設ける。それにより、電動圧縮機１の重量、外形およびコストの増加を招くことなく、車両衝突時などの電動圧縮機１への衝撃荷重に対して高電圧部の露出を防止することができる電動圧縮機１を提供する。In an electric compressor having a housing incorporating a compression mechanism section 4, an electric motor section that drives the compression mechanism section 4, and an inverter 8 that drives the electric motor section, the impacted section 3d that receives an external shock is a housing. It is provided on the surface of the body, and the impacted part 3d is provided only in a part other than the part in which the electric motor part is incorporated and the part in which the inverter 8 is incorporated. Accordingly, the electric compressor capable of preventing the high voltage portion from being exposed to the impact load applied to the electric compressor 1 at the time of a vehicle collision or the like without increasing the weight, the outer shape, and the cost of the electric compressor 1. 1 is provided.
Description
本発明は、圧縮機構部と、圧縮機構部を駆動する電動機部と、電動機部を駆動するインバータ部とを内蔵した筐体を備えた電動圧縮機に関するものである。 The present invention relates to an electric compressor provided with a housing incorporating a compression mechanism section, an electric motor section that drives the compression mechanism section, and an inverter section that drives the electric motor section.
近年、電動機部を駆動制御するインバータ部を、圧縮機構部や電動機部と一体的に固定する電動圧縮機が提案されている（例えば、特許文献１参照）。 In recent years, there has been proposed an electric compressor in which an inverter unit that drives and controls an electric motor unit is fixed integrally with a compression mechanism unit and the electric motor unit (see, for example, Patent Document 1).
このような電動圧縮機において、車両衝突時等による衝撃荷重に対する高電圧部の露出を防止する手段の一つとして、筐体の肉厚増や材質変更によって電動圧縮機自体の強度を高めることが知られている。 In such an electric compressor, as one of means for preventing the exposure of the high voltage portion against an impact load caused by a vehicle collision or the like, increasing the strength of the electric compressor itself by increasing the thickness of the casing or changing the material. Are known.
しかしながら、筐体の肉厚増や材質変更は、電動圧縮機自体の重量、外形およびコストが増加してしまい、商品力の低下を招く。 However, increasing the thickness of the housing or changing the material increases the weight, outer shape, and cost of the electric compressor itself, leading to a reduction in product power.
本発明は、上記の課題を解決するもので、電動圧縮機の重量、外形およびコストの増加を招くことなく、衝撃荷重に対する高電圧部の露出防止を可能にする電動圧縮機を提供することを目的とする。 The present invention solves the above-described problems, and provides an electric compressor capable of preventing exposure of a high-voltage portion against an impact load without causing an increase in the weight, outer shape, and cost of the electric compressor. Objective.
本発明は、前記従来の課題を解決するために、本発明の電動圧縮機は、外部からの衝撃を受ける被衝撃部を筐体の表面に具備し、被衝撃部は、電動機部を内蔵した部分とインバータ部を内蔵した部分以外の部分にのみ設けたものである。 In order to solve the above-described conventional problems, the electric compressor of the present invention includes an impacted portion that receives an external impact on the surface of the housing, and the impacted portion includes the electric motor portion. This is provided only in the portion other than the portion and the portion incorporating the inverter portion.
これによって、電動圧縮機の重量、外形およびコストの増加を招くことなく、衝撃荷重に基づく高電圧部の露出を防止できる。 Thereby, it is possible to prevent the exposure of the high voltage portion based on the impact load without increasing the weight, the outer shape, and the cost of the electric compressor.
本発明の電動圧縮機は、電動圧縮機の重量、外形およびコストの増加を招くことなく、衝撃荷重に基づく高電圧部の露出を防止できる。 The electric compressor of the present invention can prevent the exposure of the high voltage portion based on the impact load without causing an increase in the weight, outer shape, and cost of the electric compressor.
１ 電動圧縮機
２ 取付け脚
３ 主容器
３ａ 圧縮機構部側開口部
３ｂ 電動モータ側開口部
３ｃ 端部壁
３ｄ 被衝撃部
４ 圧縮機構部
５ 電動モータ
５ａ 固定子
５ｂ 回転子
５ｃ リード線
６ 吸入副容器
７ 吐出副容器
８ インバータ
９ フィルタ−
１０ 固定スクロール
１０ａ 凹部
１１ 旋回スクロール
１１ａ 旋回スクロール鏡板
１１ｂ 絞り
１１ｄ 筒部
１２ 圧縮空間
１３ 駆動軸
１３ａ 偏心軸
１４ 吸入口
１５ 吐出口
１６ 貯液部
１７ 潤滑油
１８ 歯車ポンプ
１９ 給油路
２０ 液溜り
２１ 背圧室
２２ 主ベアリング
２３ 副ベアリング
２４ 偏心ベアリング
２５ 主軸受部材
２６ ポンプ板
２７ 油溜め室
２８ 油吸入通路
２９ オルダムリング
３０ ブッシュ
３１ 連絡通路
４０ ターミナル
４１ 金属端子
４２ クラスタブロックDESCRIPTION OF SYMBOLS 1 Electric compressor 2 Mounting leg 3 Main container 3a Compression mechanism part side opening part 3b Electric motor side opening part 3c End part wall 3d Impacted part 4 Compression mechanism part 5 Electric motor 5a Stator 5b Rotor 5c Lead wire 6 Suction sub Container 7 Discharge secondary container 8 Inverter 9 Filter
DESCRIPTION OF SYMBOLS 10 Fixed scroll 10a Concave part 11 Orbiting scroll 11a Orbiting scroll end plate 11b Restriction 11d Tube part 12 Compression space 13 Drive shaft 13a Eccentric shaft 14 Suction port 15 Discharge port 16 Liquid storage part 17 Lubricating oil 18 Gear pump 19 Oil supply path 20 Liquid reservoir 21 Back Pressure chamber 22 Main bearing 23 Sub bearing 24 Eccentric bearing 25 Main bearing member 26 Pump plate 27 Oil reservoir chamber 28 Oil suction passage 29 Oldham ring 30 Bush 31 Connection passage 40 Terminal 41 Metal terminal 42 Cluster block
第１の発明は、圧縮機構部と、前記圧縮機構部を駆動する電動機部と、前記電動機部を駆動するインバータ部とを内蔵した筐体を備えた電動圧縮機において、被衝撃部を前記筐体の表面に具備し、前記被衝撃部は、前記電動機部を内蔵した部分と前記インバータ部を内蔵した部分以外の部分にのみ設けることにより、電動圧縮機への衝撃荷重は、インバータ部あるいは電動機部などの高電圧部の領域外に加わることになり、高電圧部の領域外の容器が破損したとしても高電圧部の露出を防止することができる。 According to a first aspect of the present invention, there is provided an electric compressor including a casing including a compression mechanism section, an electric motor section that drives the compression mechanism section, and an inverter section that drives the electric motor section. It is provided on the surface of the body, and the impacted part is provided only in a part other than the part in which the electric motor part is incorporated and the part in which the inverter part is incorporated, so that the impact load on the electric compressor is reduced by the inverter part or the electric motor. Even if the container outside the region of the high voltage part is damaged, exposure of the high voltage part can be prevented.
第２の発明は、第１の発明において、被衝撃部をボス形状で構成することで、重量増加を更に抑制することができる。 According to a second invention, in the first invention, the impacted portion is configured in a boss shape, whereby an increase in weight can be further suppressed.
第３の発明は、第１の発明において、筐体は、圧縮機構部と電動機部とを内蔵する主容器と、前記インバータ部とを内蔵する副容器部とからなる。 In a third aspect based on the first aspect, the housing includes a main container that houses the compression mechanism section and the electric motor section, and a sub-container section that houses the inverter section.
以下、本発明の実施の形態について、図面を参照しながら説明する。なお、この実施の形態によって本発明が限定されるものではない。
（実施の形態１）
図１は、本発明の第１の実施の形態における電動圧縮機の断面図を示すものである。図１において、電動圧縮機１の胴部の周りにある取付け脚２によって横向きに設置される横型の電動圧縮機の１つの例を示している。Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.
(Embodiment 1)
FIG. 1 shows a cross-sectional view of an electric compressor according to a first embodiment of the present invention. In FIG. 1, one example of a horizontal electric compressor installed sideways by a mounting leg 2 around the trunk of the electric compressor 1 is shown.
電動圧縮機１はその主容器３内に圧縮機構部４およびこれを駆動する電動モータ５を内蔵している。主容器３の圧縮機構部側開口部３ａおよび電動モータ側開口部３ｂには、それぞれ開口部３ａ、３ｂと向かい合う形で吸入副容器６および吐出副容器７が装着され密閉容器を形成している。吸入副容器６内には電動モータ５を駆動するインバータ８を内蔵している。吐出副容器７には、圧縮機構部４を含む各摺動部や主ベアリング２２、副ベアリング２３及び偏心ベアリング２４の潤滑に供する液を供給する油溜め室２７を備えている。 The electric compressor 1 has a compression mechanism section 4 and an electric motor 5 that drives the compression mechanism section 4 in its main container 3. The suction sub-container 6 and the discharge sub-container 7 are mounted on the compression mechanism section side opening 3a and the electric motor side opening 3b of the main container 3 so as to face the openings 3a and 3b, respectively, thereby forming a sealed container. . An inverter 8 that drives the electric motor 5 is built in the suction sub-container 6. The discharge sub-container 7 is provided with an oil sump chamber 27 that supplies liquids for lubrication of the sliding portions including the compression mechanism portion 4, the main bearing 22, the sub-bearing 23, and the eccentric bearing 24.
取り扱う冷媒はガス冷媒である。各摺動部や各ベアリング２２、２３、２４の潤滑や圧縮機構部４の摺動部のシールに供する液としては潤滑油１７などの液を採用している。また、潤滑油１７は冷媒に対して相溶性のあるものである。 The refrigerant to be handled is a gas refrigerant. A liquid such as the lubricating oil 17 is used as a liquid to be used for lubrication of the sliding portions and the bearings 22, 23, and 24 and a seal of the sliding portion of the compression mechanism portion 4. The lubricating oil 17 is compatible with the refrigerant.
本実施の形態の電動圧縮機１の圧縮機構部４は、一つの例としてスクロール方式のものであって、図１に示すように固定スクロール１０と旋回スクロール１１を噛み合わせて圧縮空間１２が形成されている。旋回スクロール１１を電動モータ５により駆動軸１３を介して固定スクロール１０に対し旋回運動をさせ、圧縮空間１２の容積を変化させることで、外部サイクルから帰還する冷媒の吸入、圧縮を行う。そして、外部サイクルへの吐出を、吸入副容器６に設けた吸入口１４および吐出副容器７に設けた吐出口１５を通じて行う。 The compression mechanism unit 4 of the electric compressor 1 according to the present embodiment is of a scroll type as an example, and a compression space 12 is formed by meshing the fixed scroll 10 and the orbiting scroll 11 as shown in FIG. Has been. The orbiting scroll 11 is revolved by the electric motor 5 via the drive shaft 13 with respect to the fixed scroll 10 and the volume of the compression space 12 is changed, whereby the refrigerant returning from the external cycle is sucked and compressed. Then, the discharge to the external cycle is performed through the suction port 14 provided in the suction sub-container 6 and the discharge port 15 provided in the discharge sub-container 7.
これに併せ、吐出副容器７の貯液部１６に貯留されている潤滑油１７が歯車ポンプ１８などを駆動軸１３にて駆動するか、もしくは主容器３内の差圧を利用するなどして、油溜め室２７に導かれる。そして、フィルタ−９を介して駆動軸１３の給油路１９を通じ旋回スクロール１１の旋回駆動に伴い旋回スクロール１１の背面の液溜り２０に供給され、この液溜り２０に供給された潤滑油１７の一部は旋回スクロール１１の外周部のラップ反対面の背圧室２１に、旋回スクロール鏡板１１ａを通じ、絞り１１ｂなどによる所定の制限の基に供給される。さらに旋回スクロール１１に設けた連通穴（図示せず）を通じ、固定スクロール１０に設けた凹部１０ａに供給することにより、背圧を所定量に調整し、旋回スクロール１１を押圧しバックアップしながら、潤滑油１７を固定スクロール１０と旋回スクロール１１の間に供給して、固定スクロール１０と旋回スクロール１１間のシールおよび潤滑を図る。また、液溜り２０に供給した潤滑油１７の別の一部は、偏心ベアリング２４、主ベアリング２２を経ながら潤滑した後、電動モータ５側に流出し、貯液部１６へと回収される。 At the same time, the lubricating oil 17 stored in the liquid storage part 16 of the discharge sub-container 7 drives the gear pump 18 or the like with the drive shaft 13 or uses the differential pressure in the main container 3. Then, the oil is introduced into the oil sump chamber 27. Then, as the orbiting scroll 11 is driven to rotate through the oil supply passage 19 of the drive shaft 13 through the filter 9, the revolving oil is supplied to the liquid reservoir 20 on the back surface of the orbiting scroll 11. The part is supplied to the back pressure chamber 21 opposite to the lap on the outer peripheral part of the orbiting scroll 11 through the orbiting scroll end plate 11a based on a predetermined restriction by the diaphragm 11b or the like. Further, by supplying through a communication hole (not shown) provided in the orbiting scroll 11 to the recess 10a provided in the fixed scroll 10, the back pressure is adjusted to a predetermined amount, and the orbiting scroll 11 is pressed and backed up for lubrication. Oil 17 is supplied between the fixed scroll 10 and the orbiting scroll 11 to achieve sealing and lubrication between the fixed scroll 10 and the orbiting scroll 11. Further, another part of the lubricating oil 17 supplied to the liquid reservoir 20 is lubricated while passing through the eccentric bearing 24 and the main bearing 22, then flows out to the electric motor 5 side and is collected in the liquid storage unit 16.
さらに、主容器３内の電動モータ側開口部３ｂの端部壁３ｃ側から副ベアリング２３、電動モータ５、主ベアリング２２を持った主軸受部材２５を配置してある。端部壁３ｃの外面には歯車ポンプ１８を収容してその後に図示しないボルトなどによって取り付けたポンプ板２６との間に保持し、吐出副容器７の内側に貯液部１６に通じる油溜め室２７を形成して油吸入通路２８を介して貯液部１６に通じるようにしてある。 Further, a main bearing member 25 having a sub bearing 23, an electric motor 5, and a main bearing 22 is arranged from the end wall 3 c side of the electric motor side opening 3 b in the main container 3. An oil reservoir chamber that houses the gear pump 18 on the outer surface of the end wall 3c and holds the gear pump 18 with a pump plate 26 attached by bolts (not shown) and communicates with the liquid storage section 16 inside the discharge sub-container 7. 27 is formed so as to communicate with the liquid storage section 16 through the oil suction passage 28.
副ベアリング２３は端部壁３ｃにて支持し、駆動軸１３の歯車ポンプ１８に連結している側を軸受する。電動モータ５は固定子５ａを主容器３の内周にボルトあるいは焼き嵌めなどして固定し、駆動軸１３の途中まわりに固定した回転子５ｂとによって駆動軸１３を回転駆動できるようにしている。主軸受部材２５は主容器３に挿入あるいは圧入されており、駆動軸１３の圧縮機構部４側を主ベアリング２２により軸受している。主軸受部材２５の外面には固定スクロール１０を図示しないボルトなどによって取付け、これら主軸受部材２５と固定スクロール１０との間に旋回スクロール１１を挟み込んでスクロール圧縮機を構成している。 The sub-bearing 23 is supported by the end wall 3c and supports the side of the drive shaft 13 connected to the gear pump 18. The electric motor 5 fixes the stator 5 a to the inner periphery of the main container 3 by bolts or shrink fitting, and the drive shaft 13 can be rotationally driven by the rotor 5 b fixed around the drive shaft 13. . The main bearing member 25 is inserted or press-fitted into the main container 3, and the compression mechanism portion 4 side of the drive shaft 13 is supported by the main bearing 22. The fixed scroll 10 is attached to the outer surface of the main bearing member 25 with a bolt or the like (not shown), and the orbiting scroll 11 is sandwiched between the main bearing member 25 and the fixed scroll 10 to constitute a scroll compressor.
主軸受部材２５と旋回スクロール１１との間には、旋回スクロール１１の自転を防止して旋回運動させるためのオルダムリング２９が設けられている。駆動軸１３の端面には偏心軸１３ａが一体形成されており、偏心軸１３ａにはブッシュ３０が勘合して支持されている。ブッシュ３０には旋回スクロール１１が固定スクロール１０と対向するように偏心ベアリング２４を介して旋回運動可能に支持されている。旋回スクロール１１の旋回スクロール鏡板１１ａの背面には筒部１１ｄが突設されており、偏心ベアリング２４は筒部１１ｄ内に収容されている。偏心ベアリング２４の内輪は、ブッシュ３０に勘合されており、偏心ベアリング２４の外輪は、筒部１１ｄに勘合されている。 An Oldham ring 29 is provided between the main bearing member 25 and the orbiting scroll 11 to prevent the orbiting scroll 11 from rotating and to orbit. An eccentric shaft 13a is integrally formed on the end surface of the drive shaft 13, and a bush 30 is fitted and supported on the eccentric shaft 13a. The orbiting scroll 11 is supported on the bush 30 via an eccentric bearing 24 so as to be capable of orbiting movement so as to face the fixed scroll 10. A cylindrical portion 11d protrudes from the rear surface of the orbiting scroll end plate 11a of the orbiting scroll 11, and the eccentric bearing 24 is accommodated in the cylindrical portion 11d. The inner ring of the eccentric bearing 24 is fitted into the bush 30 and the outer ring of the eccentric bearing 24 is fitted into the cylindrical portion 11d.
圧縮機構部４は、主容器３と開口どうしを突き合わせて図示しないボルトにて固定した吸入副容器６により覆われている。圧縮機構部４は吸入副容器６の吸入口１４と吐出副容器７の吐出口１５との間に位置し、自身の図示しない吸入孔が吸入副容器６の吸入口１４と吸入通路を通じ接続され、自身の図示しない吐出孔がリード弁を介して吐出室に開口している。吐出室は固定スクロール１０および主軸受部材２５ないしはこれらと主容器３との間に形成した連絡通路３１を通じて圧縮機構部４と端部壁３ｃとの間の、電動モータ５側に通じている。電動モータ５のリード線５ｃは、固定スクロール１０および主軸受部材２５ないしはこれらと主容器３との間に形成した連絡通路３１を通じて吸入副容器６側へ引出し、リード線５ｃ端に接続されたクラスタブロック４２は、吸入副容器６に貫装されたターミナル４０の金属端子４１に接続されている。さらにターミナル４０は吸入副容器６内のインバータ８と接続されている。 The compression mechanism unit 4 is covered with a suction sub-container 6 which is fixed to a main container 3 and openings by a bolt (not shown). The compression mechanism unit 4 is located between the suction port 14 of the suction sub-container 6 and the discharge port 15 of the discharge sub-container 7, and its own suction hole (not shown) is connected to the suction port 14 of the suction sub-container 6 through the suction passage. A discharge hole (not shown) opens into the discharge chamber via a reed valve. The discharge chamber communicates with the electric motor 5 between the compression mechanism portion 4 and the end wall 3c through the fixed scroll 10 and the main bearing member 25 or a communication passage 31 formed between them and the main container 3. The lead wire 5c of the electric motor 5 is drawn out to the side of the suction sub-container 6 through the fixed scroll 10 and the main bearing member 25 or the communication passage 31 formed between them and the main container 3, and is connected to the end of the lead wire 5c. The block 42 is connected to the metal terminal 41 of the terminal 40 penetrating the suction sub container 6. Further, the terminal 40 is connected to the inverter 8 in the suction sub container 6.
以上によって、車両より高電圧が図示しないコネクタ−などを介してインバータ８に供給され、更にターミナル４０及びターミナル４０に接続された金属端子４１により、電動モータ５へ供給されることによって駆動され、駆動軸１３を介して圧縮機構部４を旋回運動させる。このとき圧縮機構部４は歯車ポンプ１８により貯液部１６の潤滑油１７を供給されて潤滑、シールおよび押圧作用を受けながら、吸入副容器６の吸入口１４さらに自身の固定スクロール１０に設けた図示しない吸入孔を通じ冷凍サイクルからの帰還冷媒を吸入して、圧縮し、自身の図示しない吐出孔から吐出室に吐出する。このときインバータ８は帰還冷媒により冷却される。さらに吐出室に吐出された冷媒は図示しない連絡通路を通じて電動モータ５側に入り、電動モータ５を冷却しながら、さらに衝突、絞りなどの気液分離を図って潤滑油１７の分離を受けながら吐出副容器７の吐出口１５から吐出される。 As described above, a high voltage is supplied from the vehicle to the inverter 8 via a connector (not shown) and the like, and is further driven by being supplied to the electric motor 5 by the terminal 40 and the metal terminal 41 connected to the terminal 40. The compression mechanism unit 4 is swung through the shaft 13. At this time, the compression mechanism section 4 is supplied with the lubricating oil 17 of the liquid storage section 16 by the gear pump 18 and is provided with the suction port 14 of the suction sub-container 6 and the fixed scroll 10 while receiving the lubrication, sealing and pressing action. The return refrigerant from the refrigeration cycle is sucked through a suction hole (not shown), compressed, and discharged from the discharge hole (not shown) to the discharge chamber. At this time, the inverter 8 is cooled by the return refrigerant. Further, the refrigerant discharged into the discharge chamber enters the electric motor 5 through a communication passage (not shown), and discharges while cooling the electric motor 5 and further separating the lubricating oil 17 by performing gas-liquid separation such as collision and throttling. It is discharged from the discharge port 15 of the sub container 7.
本実施の形態の電動圧縮機１は、胴部の周りにある取付け脚２によって車両へ横向きに設置される為、図１あるいは図２を正面側より見た主容器３あるいは吸入副容器６の表面は車両衝突時に被衝撃部３ｄとなる。 Since the electric compressor 1 according to the present embodiment is installed sideways on the vehicle by the mounting legs 2 around the trunk portion, the main container 3 or the suction sub-container 6 as viewed from the front side in FIG. 1 or FIG. The surface becomes the impacted portion 3d when the vehicle collides.
ここで、本実施の形態では、図２に示すように、特に、主容器３あるいは吸入副容器６の表面に具備し外部からの衝撃を受ける被衝撃部３ｄを、電動機部を内蔵した部分とインバータ８を内蔵した部分以外の部分にのみ設けている。これにより、電動圧縮機１への衝撃荷重は、インバータ部あるいは電動機部などの高電圧部の領域外に加わることになり、高電圧部の領域外の容器が破損したとしても高電圧部の露出を防止することができる。なお、被衝撃部３ｄには、筐体と同じ材質を用いてもよいし、筐体と異なる材質を用いてもよい。 Here, in the present embodiment, as shown in FIG. 2, in particular, the impacted portion 3 d that is provided on the surface of the main container 3 or the suction sub-container 6 and receives impact from the outside, It is provided only in a portion other than the portion in which the inverter 8 is built. As a result, the impact load on the electric compressor 1 is applied outside the area of the high voltage part such as the inverter part or the electric motor part, and even if the container outside the high voltage part is damaged, the high voltage part is exposed. Can be prevented. The impacted part 3d may be made of the same material as that of the housing, or may be made of a material different from that of the housing.
（実施の形態２）
図３は、本発明の第２の実施の形態における電動圧縮機の外観図を示すものである。本発明の第２の実施の形態における電動圧縮機１の断面図は第１の実施の形態を示すものと同様である。図３においては実施の形態１において被衝撃部３ｄをボス形状で構成したものでる。(Embodiment 2)
FIG. 3 is an external view of the electric compressor according to the second embodiment of the present invention. The cross-sectional view of the electric compressor 1 in the second embodiment of the present invention is the same as that showing the first embodiment. In FIG. 3, the impacted portion 3d is formed in a boss shape in the first embodiment.
以上のように構成された電動圧縮機１について、以下その作用を説明する。実施の形態１のように構成された電動圧縮機１において、車両衝突時などの電動圧縮機１への衝撃荷重は、吸入副容器６内に収容されたインバータ８あるいは主容器３内に収容された電動モ−タ５などの高電圧部の領域外に加わるため、高電圧部の領域外の容器が破損しても高電圧部の露出を防止することができる。 About the electric compressor 1 comprised as mentioned above, the effect | action is demonstrated below. In the electric compressor 1 configured as in the first embodiment, the impact load on the electric compressor 1 at the time of a vehicle collision or the like is accommodated in the inverter 8 accommodated in the suction sub-container 6 or the main container 3. Further, since the electric motor 5 and the like are applied outside the region of the high voltage portion, the high voltage portion can be prevented from being exposed even if the container outside the region of the high voltage portion is damaged.
更に、実施の形態２のように構成された電動圧縮機１においては、被衝撃部３ｄをボスで形成されているので重量増大の更なる抑制が可能である。 Furthermore, in the electric compressor 1 configured as in the second embodiment, the impacted portion 3d is formed of a boss, so that further increase in weight can be suppressed.
なお、本発明においては、主容器３に圧縮機構部４と電動機部とを内蔵し、インバータ８を吸入副容器６に内蔵する電動圧縮機１を用いて説明したが、これに限られず、例えば、主容器３内に圧縮機構部４と電動機部およびインバータ８を収納する電動圧縮機１にも適用できる。 In the present invention, the description has been given using the electric compressor 1 in which the main container 3 includes the compression mechanism section 4 and the electric motor section, and the inverter 8 is included in the suction sub-container 6. However, the present invention is not limited to this. Also, the present invention can be applied to the electric compressor 1 in which the compression mechanism portion 4, the electric motor portion, and the inverter 8 are accommodated in the main container 3.
本発明は、筐体内に圧縮機構部と電動機部とインバータ部とを有する電動機圧縮機に適用できる。 The present invention can be applied to an electric motor compressor having a compression mechanism section, an electric motor section, and an inverter section in a casing.
Claims (3)
被衝撃部を前記筐体の表面に具備し、前記被衝撃部は、前記電動機部を内蔵した部分と前記インバータ部を内蔵した部分以外の部分にのみ設けている電動圧縮機。In an electric compressor including a housing incorporating a compression mechanism unit, an electric motor unit that drives the compression mechanism unit, and an inverter unit that drives the electric motor unit,
An electric compressor having an impacted portion on a surface of the casing, wherein the impacted portion is provided only in a portion other than a portion including the electric motor portion and a portion including the inverter portion.
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| JP2014515470A JP6145734B2 (en) | 2012-05-15 | 2013-03-25 | Electric compressor |
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| JP2012111240 | 2012-05-15 | ||
| JP2012111240 | 2012-05-15 | ||
| PCT/JP2013/001987 WO2013171957A1 (en) | 2012-05-15 | 2013-03-25 | Electric compressor |
| JP2014515470A JP6145734B2 (en) | 2012-05-15 | 2013-03-25 | Electric compressor |
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| JPWO2013171957A1 true JPWO2013171957A1 (en) | 2016-01-12 |
| JP6145734B2 JP6145734B2 (en) | 2017-06-14 |
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| US (1) | US20150044075A1 (en) |
| JP (1) | JP6145734B2 (en) |
| CN (1) | CN104246223B (en) |
| WO (1) | WO2013171957A1 (en) |
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| US9685835B2 (en) * | 2013-10-11 | 2017-06-20 | Hamilton Sundstrand Corporation | Motor housing having conical shaped ends with various dimensional ratios and slopes for a stator in an avionics cabin air compressor |
| FR3027972B1 (en) * | 2014-10-30 | 2019-09-20 | Valeo Japan Co., Ltd. | COMPRESSOR, IN PARTICULAR FOR MOTOR VEHICLE |
| JP2016148278A (en) * | 2015-02-12 | 2016-08-18 | カルソニックカンセイ株式会社 | Electric compressor |
| JP6700674B2 (en) | 2015-05-21 | 2020-05-27 | 三菱重工サーマルシステムズ株式会社 | Motor housing for electric compressor and vehicle-mounted electric compressor using the same |
| JP6839923B2 (en) * | 2016-03-11 | 2021-03-10 | 三菱重工サーマルシステムズ株式会社 | In-vehicle device and electric compressor |
| EP3875761A4 (en) * | 2018-10-30 | 2022-08-03 | Valeo Japan Co., Ltd | Reinforcement structure for electrically driven compressor |
| US10830235B2 (en) * | 2019-01-17 | 2020-11-10 | Denso International America, Inc. | Adaptive connector position for high/low voltage inverter |
| US11668324B2 (en) * | 2019-08-02 | 2023-06-06 | Hamilton Sundstrand Corporation | Motor and bearing cooling paths and a transfer tube for another cooling channel |
| US11787551B1 (en) | 2022-10-06 | 2023-10-17 | Archer Aviation, Inc. | Vertical takeoff and landing aircraft electric engine configuration |
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- 2013-03-25 US US14/388,136 patent/US20150044075A1/en not_active Abandoned
- 2013-03-25 WO PCT/JP2013/001987 patent/WO2013171957A1/en active Application Filing
- 2013-03-25 CN CN201380020276.XA patent/CN104246223B/en active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104246223A (en) | 2014-12-24 |
| CN104246223B (en) | 2016-08-24 |
| US20150044075A1 (en) | 2015-02-12 |
| JP6145734B2 (en) | 2017-06-14 |
| WO2013171957A1 (en) | 2013-11-21 |
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