WO2017057848A1 - 전동식 압축기 - Google Patents
전동식 압축기 Download PDFInfo
- Publication number
- WO2017057848A1 WO2017057848A1 PCT/KR2016/009237 KR2016009237W WO2017057848A1 WO 2017057848 A1 WO2017057848 A1 WO 2017057848A1 KR 2016009237 W KR2016009237 W KR 2016009237W WO 2017057848 A1 WO2017057848 A1 WO 2017057848A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- connector
- unit
- printed circuit
- circuit board
- electric compressor
- Prior art date
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Classifications
-
- 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
-
- 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
- F04C23/02—Pumps characterised by combination with or adaptation to specific driving engines or motors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
Definitions
- the present invention relates to a motor-driven compressor, and more particularly, to a motor-driven compressor having an inverter connected to an external power source through a connector and controlling a drive unit for compressing fluid by driving a compression unit.
- a compressor used in an air conditioner of an automobile receives a refrigerant from an evaporator and converts the refrigerant into a refrigerant gas at a high temperature and high pressure to serve as a condenser.
- Compressors used in the air conditioner of such a vehicle include a swash plate type compressor that receives and receives a driving force of an engine, and an electric compressor that compresses a fluid by rotating a scroll by an electric motor.
- an electric motor is provided inside the compressor, and an inverter for controlling the motor is further provided to compress the refrigerant by driving the motor by controlling the operation of the inverter.
- An inverter integrated electric compressor is a device in which an inverter for driving an electric motor is integrated with an electric compressor, and is widely used for compressing refrigerant in a vehicle cooling system.
- the inverter integrated electric compressor includes a driving unit 150, a compression unit 160, and an inverter.
- the connector 120 of the inverter is provided on the driving unit 150 side with respect to the printed circuit board 110 and faces the driving unit 150 based on the axial direction of the driving unit 150. It is mounted in the viewing direction.
- the connector 120 is mounted closest to the driving unit 150, and noise generated from the driving unit 150 is transmitted to the battery side through the connector 120. Since the driving unit 150 generates vibration by the rotation and generates the magnetic field due to the magnetic field induction phenomenon, the driving unit 150 affects the vibration noise and the magnetic field on the adjacent electronic component.
- the power device 130 is located on the driver 150 side of the printed circuit board 110, the connector 120 is located in the same direction as the power device 130 relative to the printed circuit board 110 It is affected by the electromagnetic noise generated from the element 130.
- the connector 120 of the inverter is located in the same space where the noise of the driving unit 150 and the power device are directly coupled and is directly affected by the noise output from the driving unit 150.
- noise is output to an external device such as a battery.
- the present invention has been made to improve the problems of the conventional electric compressor as described above, the object of the present invention is to provide an electric compressor that can minimize the noise transmitted to the external device through the connector and harness from the motor or power supply element. have.
- the electric compressor according to the present invention is an electric compressor having an inverter connected to an external power source through a connector part and controlling a driving part for compressing a fluid by driving a compression part.
- the printed circuit board is provided between the driving unit.
- the connector may be formed to protrude toward the opposite side of the drive unit.
- the compression unit may be provided in front of the driving unit along the axial direction of the driving unit, and the printed circuit board and the connector unit may be provided at the rear.
- the power supply device may be provided on the opposite side of the connector portion with the printed circuit board interposed therebetween.
- a high voltage filter may be provided on the opposite side of the connector portion with the printed circuit board interposed therebetween.
- the connector portion may be provided outside than the outer surface of the drive unit on the basis of the rotation center of the drive unit.
- the connector portion may be provided outside the printed circuit board in a direction crossing the rotation center of the drive unit.
- the connector portion may be provided on the inner side than the outer surface of the drive unit on the basis of the rotation center of the drive unit.
- the connector portion may be provided inside the printed circuit board along a direction crossing the rotation center of the driving portion.
- the printed circuit board is provided inside the inverter housing, the inverter housing includes a housing portion coupled to the compressor housing and a cover portion covering the housing portion, wherein the connector portion is It is also possible to be provided in the cover part of an inverter housing.
- the connector unit may include a high voltage connector and a low voltage connector.
- the low voltage connector may be provided on the left or right side of the high voltage connector, and may be provided on the side of the high voltage part and the low voltage part provided in the printed circuit board.
- the motor-driven compressor according to the present invention provides a drawing position of the high voltage connector and the low voltage connector on the opposite side of the motor and the power device with respect to the printed circuit board, thereby providing the connector and the harness from the motor or the power device.
- an external power source such as a vehicle battery.
- FIG. 1 is a schematic side cross-sectional view showing an electric compressor according to the prior art
- FIG. 2 is a schematic structural diagram showing an electric compressor according to an embodiment of the present invention.
- FIG. 3 is a left side view of the electric compressor shown in FIG. 2;
- FIG. 4 is a side view taken along the line A-A of FIG.
- FIG. 5 is a conceptual diagram for explaining an assembly direction of the inverter shown in FIG. 2;
- FIG. 6 is a side view showing an electric compressor according to another embodiment of the present invention.
- FIG. 7 is a right side view of the motor-driven compressor shown in FIG. 6;
- FIG. 8 is a side view showing an electric compressor according to another embodiment of the present invention.
- an inverter of an electric compressor includes a printed circuit board 10 on which electronic components are mounted, and uses external power as a part of the printed circuit board 10.
- the connector part 20 to supply is provided.
- an inductor, a capacitor, a power supply device 30, and the like are mounted on the printed circuit board 10 as a circuit device for applying or cutting power to a motor and controlling a rotation speed of the motor.
- the power supply device 30 may be a power semiconductor such as an IGBT device.
- the printed circuit board 10 is provided inside the inverter housing 40.
- the inverter housing 40 includes a housing portion 41 coupled to the compressor housing 70, and a cover portion 42 covering the housing portion 41.
- the compressor housing 70 surrounds the outside of the drive unit 50 and the compression unit 60 to accommodate the drive unit 50 and the compression unit 60.
- the housing part 41 of the inverter housing 40 is integrally formed at the end of the compressor housing 70, and the cover part 42 is detachably bolted to the housing part 41.
- the printed circuit board 10 is fixedly bolted to the housing part 41.
- the cover portion 42 is covered with the printed circuit board 10 fixedly coupled to the housing portion 41 and bolted to the housing portion 41.
- the connector part 20 is provided outside the cover part 42.
- the compression unit 60 is provided in front of the driving unit 50 along the axial direction of the driving unit 50, and the printed circuit board 10 and the connector unit 20 are provided at the rear thereof.
- the printed circuit board 10 is provided between the connector unit 20 and the driving unit 50, and the connector unit 20 is provided on the opposite side of the driving unit 50 around the printed circuit board 10.
- the connector portion 20 includes a high voltage connector 21 and a low voltage connector 22.
- the high voltage connector 21 and the low voltage connector 22 are electrically connected to an external power connector (not shown), and are electrically connected to the printed circuit board 10 to externally mount components mounted on the printed circuit board 10. It will supply power.
- the high voltage connector 21 and the low voltage connector 22 are fixedly coupled to the outer side of the cover portion 42 of the inverter housing 40, respectively, and protrude in opposite directions of the driving unit 50. That is, the high voltage connector 21 and the low voltage connector 22 extend in the opposite direction of the drive unit 50 along the axial direction of the drive unit 50.
- the high voltage connector 21 and the low voltage connector 22 protrude in the opposite direction of the drive unit 50 to the outside of the inverter housing 40, so that the high voltage connector 21 and the low voltage connector 22 are as far as possible from the drive unit 50, thereby driving the drive unit 50.
- the influence of the vibration noise of is minimized.
- the printed circuit board 10 is provided between the connector 20 and the driver 50 to block noise of the driver 50 from being transmitted to the connector 20.
- the printed circuit board 10 manufactures a substrate having a predetermined thickness with an insulating synthetic resin, and then attaches a copper foil (copper thin plate) to implement a circuit on the surface of the substrate. Therefore, while the noise of the driving unit 50 is blocked by the substrate itself formed to a predetermined thickness, the noise of the driving unit 50 may be removed by the copper foil.
- the power supply element 30 and the high voltage filter 35 are provided on the opposite side of the connector portion 20 with the printed circuit board 10 therebetween. As shown in FIG. 2, the power supply device 30 is provided on the driving unit 50 with respect to the printed circuit board 10, and the high voltage connector 21 and the low voltage connector 22 are provided on the opposite side of the driving unit 50. It is.
- the high voltage filter 35 is formed to protrude to the opposite side of the driving unit 50, that is, toward the cover unit 42, based on the printed circuit board 10. Accordingly, the shape of the cover part 42 also protrudes to the outside, making it difficult to implement a compact appearance, and in particular, there is a problem that electromagnetic wave noise generated from the high voltage filter 35 is transmitted to the connector part 20.
- the power supply element 30 not only the power supply element 30 but also the high voltage filter 35 is positioned on the opposite side of the connector portion 20 with the printed circuit board 10 interposed therebetween.
- the generated electromagnetic noise is blocked by the printed circuit board 10 and is not transmitted to the high voltage connector 21 and the low voltage connector 22.
- the high voltage connector 21 and the low voltage connector 22 are protruded toward the opposite side of the driving unit 50 with respect to the printed circuit board 10 and thus from the vibration noise from the driving unit 50 and the power supply element 30. This will minimize the effects of electromagnetic noise.
- the connector unit 20 is provided on the outside than the outer surface of the drive unit 50 relative to the center of rotation (C) of the drive unit 50.
- the high voltage connector 21 as well as the low voltage connector 22 may be provided outside the outer diameter of the driving unit 50 to reduce transmission of noise of the driving unit 50.
- the high voltage connector 21 and the low voltage connector 22 are provided at a position outside the noise region of the drive unit 50 radiated in the direction of the center of rotation C, which is the axial direction of the drive unit 50, thereby reducing the It is less affected by noise than when it is located within a radius.
- the high voltage connector 21 and the low voltage connector 22 of the present invention are provided on the outer side of the printed circuit board 10 and located outside the outer diameter of the driving unit 50, thereby reducing vibration noise of the driving unit 50. It is possible to reduce the influence of electromagnetic noise of the power supply device 30, thereby preventing the noise of the drive unit 50 from being transmitted to the external power source (battery) through the high voltage connector 21 and the low voltage connector 22. Can be minimized.
- the high voltage connector 21 and the low voltage connector 22 protrude toward the opposite side of the driving unit 50 with respect to the printed circuit board 10 to form an exterior of the inverter housing 40. Is provided in, it is possible to easily design the assembly direction of the connector.
- the ports of the high voltage connector 21 and the low voltage connector 22 face the A direction so that the external connector can be inserted in the direction X opposite to the protrusion direction A of the connector. Can be.
- the ports of the high voltage connector 21 and the low voltage connector 22 may be formed to face the Y direction so that the external connector can be fitted in the direction Y across the protruding direction A of the connector.
- the assembling direction is in the X direction. It is possible to design in any direction such as the Y direction or to easily change the design.
- the low voltage connector 22 is provided on the left side or the right side of the high voltage connector 21, and the low voltage among the high voltage unit 11 and the low voltage unit 12 provided in the printed circuit board 10. It is provided in the side in which the part 12 is located.
- FIG. 3 is a side view as seen from the left side of FIG. 2, and FIG. 4 is a side view as seen from the opposite direction to FIG. 3. Therefore, in FIG. 3, the low voltage connector 22 is located on the left side of the high voltage connector 21. In FIG. 4, the low voltage connector 22 is located on the right side of the high voltage connector 21.
- electrical elements such as an inductor, a capacitor, a power supply device 30, and a high voltage filter 35 mounted on the printed circuit board 10 may be divided into a high voltage part 11 and a low voltage part 12.
- the high voltage connector 21 applies power to the high voltage unit 11 in which the high voltage elements are collected
- the low voltage connector 22 applies power to the low voltage unit 12 in which the low voltage elements are collected. Therefore, the low voltage connector 22 is arranged on the side adjacent to the low voltage portion 12. That is, the low voltage connector 22 is provided on either side of the high voltage connector 21 according to the position of the low voltage unit 12. For example, as shown in FIG. 4, when the low voltage unit 12 is located on the right side of the high voltage unit 11, the low voltage connector 22 is also provided on the right side of the high voltage connector 21. If the position of the low voltage portion 12 is reversed in design, the position of the low voltage connector 22 is also reversed.
- the connector portion 20 ' may be provided inward than the outer diameter of the cover portion (42). That is, in FIG. 6, the high voltage connector 21 ′ and the low voltage connector 22 ′ are provided inside the outer side of the driving unit 50 based on the rotational center C of the driving unit 50.
- the connector portion 20 is formed to protrude outside the outer diameter of the cover portion 42, thereby increasing the volume of the entire inverter as compared to the embodiment illustrated in FIGS. 6 and 7.
- the structure of the connector portion 20 ′ shown in FIGS. 6 and 7 can be made more compact than in the case of the embodiment shown in FIG. 3.
- the connector part 20 ' is provided inward of the printed circuit board 10' along the direction crossing the rotation center C of the driving part 50. As shown in FIG. It is. In this case, the printed circuit board 10 'completely covers the connector portion 20' with respect to the driving portion 50, so that the connector portion 20 'is not exposed to the driving portion 50. 10 ') completely shielded.
- the printed circuit board 10 extends to the rear of the high voltage connector 21 and the low voltage connector 22 so that the high voltage connector 21 and the low voltage connector 22 are completely shielded by the printed circuit board 10. will be.
- FIG. 8 illustrates an embodiment in which the connector unit 20 protrudes outward from the printed circuit board 10 in a direction crossing the rotation center C of the driving unit 50.
- the printed circuit board 10 ′′ is formed to be smaller than the embodiment of FIG. 2 so as to cover only part of the rear of the high voltage connector 21 and the low voltage connector 22.
- the high voltage connector 21 and the low voltage connector 22 are not completely shielded by the printed circuit board 10 ′′ and only partially cover the high voltage connector 21 and the low voltage connector 22.
- the present invention also includes the connector part 20 partially covered by the printed circuit board 10 ′′.
- the present invention relates to an electric compressor having an inverter connected to an external power source through a connector part and controlling a drive unit for compressing a fluid by driving a compression unit. It is possible to provide an electric compressor that can be minimized.
Abstract
Description
Claims (12)
- 커넥터부(20)를 통해 외부전원과 연결되고, 압축부(60)를 구동시켜 유체를 압축하는 구동부(50)를 제어하는 인버터를 구비한 전동식 압축기에 있어서,상기 커넥터부(20)와 상기 구동부(50)의 사이에 인쇄회로기판(10)이 구비되는 것을 특징으로 하는 전동식 압축기.
- 제1항에 있어서, 상기 커넥터부(20)는,상기 구동부(50)의 축방향을 따라 연장되어 형성되되 상기 구동부(50)의 반대쪽을 향하여 돌출되어 형성된 것을 특징으로 하는 전동식 압축기.
- 제2항에 있어서,상기 구동부(50)의 축방향을 따라 상기 구동부(50)의 전방에 상기 압축부(60)가 구비되고 후방에 상기 인쇄회로기판(10) 및 상기 커넥터부(20)가 구비되는 것을 특징으로 하는 전동식 압축기.
- 제2항에 있어서,상기 인쇄회로기판(10)을 사이에 두고 상기 커넥터부(20)의 반대편에 전원소자(30)가 구비된 것을 특징으로 하는 전동식 압축기.
- 제2항에 있어서,상기 인쇄회로기판(10)을 사이에 두고 상기 커넥터부(20)의 반대편에 고전압 필터(35)가 구비된 것을 특징으로 하는 전동식 압축기.
- 제1항에 있어서, 상기 커넥터부(20)는,상기 구동부(50)의 회전중심(C)을 기준으로 상기 구동부(50)의 외측면보다 외부에 구비되는 것을 특징으로 하는 전동식 압축기.
- 제6항에 있어서, 상기 커넥터부(20)는,상기 구동부(50)의 회전중심(C)을 가로지르는 방향을 따라 상기 인쇄회로기판(10)보다 외측에 구비되는 것을 특징으로 하는 전동식 압축기.
- 제1항에 있어서, 상기 커넥터부(20)는,상기 구동부(50)의 회전중심(C)을 기준으로 상기 구동부(50)의 외측면보다 내측에 구비되는 것을 특징으로 하는 전동식 압축기.
- 제8항에 있어서, 상기 커넥터부(20)는,상기 구동부(50)의 회전중심(C)을 가로지르는 방향을 따라 상기 인쇄회로기판(10)의 내측으로 구비되는 것을 특징으로 하는 전동식 압축기.
- 제1항에 있어서,상기 인쇄회로기판(10)은 인버터 하우징(40)의 내부에 구비되고,상기 인버터 하우징(40)은 압축기 하우징(70)에 결합되는 하우징부(41)와 상기 하우징부(41)를 덮는 커버부(42)를 포함하며,상기 커넥터부(20)는 상기 인버터 하우징(40)의 커버부(42)에 구비되는 것을 특징으로 하는 전동식 압축기.
- 제1항에 있어서, 상기 커넥터부(20)는,고전압 커넥터(21)와 저전압 커넥터(22)를 포함하는 것을 특징으로 하는 전동식 압축기.
- 제11항에 있어서, 상기 저전압 커넥터(22)는,상기 고전압 커넥터(21)의 좌측 또는 우측에 구비되되, 상기 인쇄회로기판(10)에 구비되는 고전압부(11)와 저전압부(12) 중 저전압부(12)가 위치한 쪽에 구비되는 것을 특징으로 하는 전동식 압축기.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN201680011770.3A CN107407279B (zh) | 2015-10-02 | 2016-08-22 | 电动压缩机 |
US15/547,628 US10578105B2 (en) | 2015-10-02 | 2016-08-22 | Electric compressor |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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KR20150139019 | 2015-10-02 | ||
KR10-2015-0139019 | 2015-10-02 | ||
KR1020160011764A KR102372021B1 (ko) | 2015-10-02 | 2016-01-29 | 전동식 압축기 |
KR10-2016-0011764 | 2016-01-29 |
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WO2017057848A1 true WO2017057848A1 (ko) | 2017-04-06 |
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Citations (5)
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KR20130026291A (ko) * | 2011-09-05 | 2013-03-13 | 한라공조주식회사 | 전동 압축기 |
KR101290863B1 (ko) * | 2011-03-16 | 2013-07-29 | 가부시키가이샤 도요다 지도숏키 | 전동 압축기 |
KR20130094656A (ko) * | 2012-02-16 | 2013-08-26 | 한라비스테온공조 주식회사 | 전동 압축기 |
KR101364349B1 (ko) * | 2011-08-01 | 2014-02-18 | 가부시키가이샤 도요다 지도숏키 | 회로 기판과 외부 커넥터 사이의 접속 구조, 및 커넥터 |
KR101422320B1 (ko) * | 2010-09-20 | 2014-07-23 | 한라비스테온공조 주식회사 | 차량용 압축기 |
-
2016
- 2016-08-22 WO PCT/KR2016/009237 patent/WO2017057848A1/ko active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101422320B1 (ko) * | 2010-09-20 | 2014-07-23 | 한라비스테온공조 주식회사 | 차량용 압축기 |
KR101290863B1 (ko) * | 2011-03-16 | 2013-07-29 | 가부시키가이샤 도요다 지도숏키 | 전동 압축기 |
KR101364349B1 (ko) * | 2011-08-01 | 2014-02-18 | 가부시키가이샤 도요다 지도숏키 | 회로 기판과 외부 커넥터 사이의 접속 구조, 및 커넥터 |
KR20130026291A (ko) * | 2011-09-05 | 2013-03-13 | 한라공조주식회사 | 전동 압축기 |
KR20130094656A (ko) * | 2012-02-16 | 2013-08-26 | 한라비스테온공조 주식회사 | 전동 압축기 |
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