WO2022220495A1 - Compresseur électrique - Google Patents

Compresseur électrique Download PDF

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Publication number
WO2022220495A1
WO2022220495A1 PCT/KR2022/005093 KR2022005093W WO2022220495A1 WO 2022220495 A1 WO2022220495 A1 WO 2022220495A1 KR 2022005093 W KR2022005093 W KR 2022005093W WO 2022220495 A1 WO2022220495 A1 WO 2022220495A1
Authority
WO
WIPO (PCT)
Prior art keywords
inverter
ribs
unit
electric compressor
inverter bracket
Prior art date
Application number
PCT/KR2022/005093
Other languages
English (en)
Korean (ko)
Inventor
강순신
Original Assignee
두원중공업(주)
주식회사 두원전자
학교법인 두원학원
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 두원중공업(주), 주식회사 두원전자, 학교법인 두원학원 filed Critical 두원중공업(주)
Publication of WO2022220495A1 publication Critical patent/WO2022220495A1/fr

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Classifications

    • 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
    • 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
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06—Control using electricity
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30—Structural association with control circuits or drive circuits
    • 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 an electric compressor, and more particularly, to an electric compressor driven by electricity to compress a refrigerant.
  • a compressor refers to a device that sucks a refrigerant, compresses it, and supplies it to a destination.
  • a compressor installed in an air conditioner of a vehicle compresses the refrigerant supplied from the evaporator and then supplies it to the condenser.
  • Compressors are divided into electric and mechanical types according to the driving method.
  • An electric compressor compresses a refrigerant using a motor driven by electric power.
  • a mechanical compressor compresses a refrigerant by using the force of a machine such as an engine.
  • the electric compressor includes an inverter unit for controlling the motor.
  • the inverter unit includes a control board for controlling the motor inside the inverter bracket.
  • the control board is divided into a low-voltage part for communication and a high-voltage part for power.
  • a small-volume power device is generally installed for communication
  • the high-voltage part generally bulky devices for power such as IPM (Intelligent Power Module), Capacitor, and Coil. is installed
  • a small-volume power device is disposed in the low-voltage unit, an empty space is created between the inverter bracket and the power device, and noise generated from the power devices is resonated in this space, so that the power device is resonant. There is a problem that is transmitted to the inverter bracket.
  • the conventional electric compressor has a problem of vibration and noise increase due to weight unbalance on the left and right sides of the cross section A-A in FIG. is generated, and the inner wall of the inverter bracket has a thin plate shape and is damaged or damaged even by an external impact, thereby increasing the maintenance cost and time of the electric compressor.
  • the present invention was created to solve the above problems, and it is possible to reduce noise and vibration generated in the inverter unit, and to provide an electric compressor that has the effect of reducing problems by reinforcing rigidity due to the ribs formed on the inner wall. purpose is to
  • the present invention a driving unit in which the motor is accommodated; a compression unit installed on one side of the driving unit, driven by the driving unit, and compressing the sucked refrigerant; and an inverter unit installed on the other side of the driving unit, comprising an inverter bracket coupled to the driving unit, and a control board accommodated in the inverter bracket and controlling the motor, wherein the control board includes a first device It is divided into a high voltage unit in which is installed and a low voltage unit in which a second device having a smaller volume than the first device is installed, and the inverter bracket provides an electric compressor in which ribs are formed on an inner wall opposite to the low voltage unit.
  • the ribs are provided in plurality, and may be formed to protrude from the inner wall of the inverter bracket to the other side.
  • the ribs may include a plurality of first ribs spaced apart from each other and a plurality of second ribs spaced apart from each other and respectively connected to the plurality of first ribs.
  • the rib may be formed with a fastening hole.
  • the ribs are provided in the area where the low voltage part of the control board faces in the inner space of the inverter bracket, so that the strength of the inverter bracket part in the low voltage part area can be reinforced, and in the inverter bracket in the form of a plate Vibration and noise generated can be reduced through ribs.
  • FIG. 1 is a front view of an electric compressor according to the present invention.
  • FIG. 2 is a view showing the inverter bracket shown in FIG. 1 as viewed from the other side (the right side of FIG. 1 reference).
  • FIG. 3 is a view showing a state in which the control board is installed in FIG. 2 .
  • FIG. 4 is a view showing a state in which the inverter unit is cut along the line A-A in FIG. 3 .
  • the electric compressor 10 includes a driving unit 11 , a compression unit 12 , and an inverter unit 100 .
  • the driving unit 11 has a motor (not shown) accommodated therein, and a suction chamber (not shown) into which refrigerant flows from the outside is formed.
  • the compression unit 12 is installed on one side of the driving unit 11, and a compression chamber (not shown) in which the refrigerant flowing into the suction chamber is compressed is formed therein.
  • a compression chamber (not shown) in which the refrigerant flowing into the suction chamber is compressed.
  • the compression unit 12 rotates with respect to the fixed scroll and the fixed scroll to form the compression chamber between the fixed scroll and the fixed scroll. It is provided with a orbiting scroll that
  • the inverter unit 100 is installed on the other side of the driving unit 11 and controls the motor.
  • the inverter unit 100 includes an inverter bracket 110 , an inverter cover 120 , and a control board 130 .
  • the inverter bracket 110 is coupled to the other side of the driving unit 11 .
  • the control board 130 is accommodated in the inverter bracket 110, a configuration for fixing the control board 130 is formed in the inverter bracket 110, and a low voltage of the configuration (fastening hole) for fixing.
  • the subregions are formed on the ribs 111 and 112 and control the motor.
  • the inverter cover 120 covers the inverter bracket 110 from the other side of the inverter bracket 110 .
  • the inverter bracket 110 and the inverter cover 120 serve to secure the control board 130 and protect the control board 130 from external impact.
  • the circuit of the control board 130 is divided into a high voltage region 131 in which the first element is installed and a low voltage region 132 in which the second element is installed.
  • the first element may be an IPM, a capacitor, a coil, or the like, and is generally composed of a bulky element for a power supply.
  • the second device is generally composed of a small-volume power device for communication. Accordingly, among the spaces inside the inverter bracket 110 , a space corresponding to the low voltage part region 132 is formed to be larger in size than a space corresponding to the high voltage part region 131 .
  • ribs 111 and 112 are formed on inner walls opposite to the low voltage region 132 .
  • the ribs 111 and 112 are provided in plurality, and are formed to protrude from the inner wall of the inverter bracket 110 to the other side.
  • the ribs 111 and 112 include a plurality of first ribs 111 and a plurality of second ribs 112 .
  • the plurality of first ribs 111 are spaced apart from each other.
  • the plurality of second ribs 112 are spaced apart from each other.
  • the plurality of second ribs 112 are respectively connected to the plurality of first ribs 111 .
  • the ribs 111 and 112 are shown to intersect each other in a rectangular shape, but this is only an example, and the ribs 111 and 112 may intersect each other in various shapes such as polygonal, cylindrical, radial, and honeycomb shapes. have.
  • the ribs 111 and 112 protrude from the inner wall of the inverter bracket 110 in which the low voltage region 132 is positioned, the internal space of the inverter bracket 110 opposite to the low voltage region 132 is formed.
  • the ribs 111 and 112 are filled in, and the strength of the inverter bracket 110 in which the ribs 111 and 112 are formed is reinforced. Therefore, according to the present invention, vibration and noise generated in the low voltage part region 132 of the plate-shaped inverter bracket 110 can be reduced through the ribs 111 and 112 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Compressor (AREA)
  • Inverter Devices (AREA)

Abstract

La présente invention concerne un compresseur électrique comprenant : une unité d'entraînement qui présente un moteur logé en son sein ; une unité de compression qui est disposée sur un côté de l'unité d'entraînement et est entraînée par l'unité d'entraînement pour comprimer un fluide frigorigène introduit en son sein ; et une unité d'onduleur qui est disposée de l'autre côté de l'unité d'entraînement et comprend un support d'onduleur accouplé à l'unité d'entraînement et une carte de commande logée dans le support d'onduleur pour commander le moteur, la carte de commande étant divisée en une partie haute tension dans laquelle un premier élément est prévu et une partie basse tension dans laquelle un second élément ayant un volume plus petit que le premier élément est prévu, et le support d'onduleur comporte une nervure formée sur sa paroi interne opposée à la partie basse tension.
PCT/KR2022/005093 2021-04-14 2022-04-08 Compresseur électrique WO2022220495A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2021-0048422 2021-04-14
KR1020210048422A KR102355929B1 (ko) 2021-04-14 2021-04-14 전동압축기

Publications (1)

Publication Number Publication Date
WO2022220495A1 true WO2022220495A1 (fr) 2022-10-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2022/005093 WO2022220495A1 (fr) 2021-04-14 2022-04-08 Compresseur électrique

Country Status (2)

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KR (1) KR102355929B1 (fr)
WO (1) WO2022220495A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102355929B1 (ko) * 2021-04-14 2022-02-09 두원중공업(주) 전동압축기

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004190525A (ja) * 2002-12-09 2004-07-08 Denso Corp 車両用電動コンプレッサ
KR20130094652A (ko) * 2012-02-16 2013-08-26 한라비스테온공조 주식회사 전동 압축기
JP2013177826A (ja) * 2012-02-28 2013-09-09 Mitsubishi Heavy Ind Ltd 電動圧縮機
KR20160123894A (ko) * 2015-04-17 2016-10-26 한온시스템 주식회사 전동 압축기
KR20200063728A (ko) * 2018-11-28 2020-06-05 현대모비스 주식회사 전동 압축기
KR102355929B1 (ko) * 2021-04-14 2022-02-09 두원중공업(주) 전동압축기

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101530116B1 (ko) 2012-09-06 2015-06-18 한라비스테온공조 주식회사 전동 압축기

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004190525A (ja) * 2002-12-09 2004-07-08 Denso Corp 車両用電動コンプレッサ
KR20130094652A (ko) * 2012-02-16 2013-08-26 한라비스테온공조 주식회사 전동 압축기
JP2013177826A (ja) * 2012-02-28 2013-09-09 Mitsubishi Heavy Ind Ltd 電動圧縮機
KR20160123894A (ko) * 2015-04-17 2016-10-26 한온시스템 주식회사 전동 압축기
KR20200063728A (ko) * 2018-11-28 2020-06-05 현대모비스 주식회사 전동 압축기
KR102355929B1 (ko) * 2021-04-14 2022-02-09 두원중공업(주) 전동압축기

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