KR20180062095A - Integrated driving module for vehicle - Google Patents

Integrated driving module for vehicle Download PDF

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Publication number
KR20180062095A
KR20180062095A KR1020160162001A KR20160162001A KR20180062095A KR 20180062095 A KR20180062095 A KR 20180062095A KR 1020160162001 A KR1020160162001 A KR 1020160162001A KR 20160162001 A KR20160162001 A KR 20160162001A KR 20180062095 A KR20180062095 A KR 20180062095A
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South Korea
Prior art keywords
module
converter
motor
ldc
low voltage
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KR1020160162001A
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Korean (ko)
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김경만
유태영
신종철
우병국
강찬호
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주식회사 이지트로닉스
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Priority to KR1020160162001A priority Critical patent/KR20180062095A/en
Publication of KR20180062095A publication Critical patent/KR20180062095A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
    • B60L11/1803—
    • B60L11/1811—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/51—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by AC-motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/20—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
    • H05K7/209—Heat transfer by conduction from internal heat source to heat radiating structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2210/00—Converter types
    • B60L2210/10—DC to DC converters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility
    • Y02T10/7216—
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

Abstract

The present invention relates to an integrated drive module for a vehicle maximizing space use. The integrated drive module comprises: a motor; a lower cover having an accommodation groove therein and coupled to the motor; a low voltage DC-DC converter (LDC) module accommodated in the accommodation groove of the lower cover; and a motor controller coupled to the LDC module.

Description

자동차용 통합 구동 모듈{INTEGRATED DRIVING MODULE FOR VEHICLE}[0001] INTEGRATED DRIVING MODULE FOR VEHICLE [0002]

본 발명은 전기자동차용 통합 구동 모듈에 관한 것으로, 더욱 상세하게는 모터에 인버터와 저전압 DC-DC컨버터를 효율적으로 배치하는 전기자동차용 통합 구동 모듈에 관한 것이다.The present invention relates to an integrated drive module for an electric vehicle, and more particularly to an integrated drive module for an electric vehicle that efficiently arranges an inverter and a low-voltage DC-DC converter in a motor.

최근 들어, 그린 에너지인 전기를 이용하여 주행하는 전기 자동차(EV), 플러그인 하이브리드 자동차(PHEV), 연료전지 자동차(FCEV)의 기술 개발이 급속히 이루어지고 있다.In recent years, the development of electric vehicles (EV), plug-in hybrid vehicles (PHEV), and fuel cell vehicles (FCEV), which use green energy, electricity, is rapidly being developed.

대부분의 전기 자동차는 회전력을 발생시키는 모터, 모터의 토크와 회전수를 제어하기 위한 인버터, 및 차량용 12V 전원을 발생하기 위한 저전압 DC-DC 컨버터를 포함한다.Most electric vehicles include a motor for generating torque, an inverter for controlling the torque and the number of revolutions of the motor, and a low-voltage DC-DC converter for generating a 12V power source for the vehicle.

일반적으로 모터와 모터 구동 인버터는 배선을 통하여 연결되는 구조로 되어 있으나, 큰 전류가 흐르기 때문에 배선의 굵기와 커넥터의 부피가 작지 않다는 단점을 가진다. 이를 해결하기 위하여 모터의 3상 입력단과 모터 구동 인버터를 부스바를 통해 연결하면 부피를 크게 줄일 수 있을 뿐 아니라 원가절감에도 기여한다. Generally, the motor and the motor-driven inverter are structured so as to be connected to each other through wiring. However, since a large current flows, the size of the wiring and the volume of the connector are not so small. In order to solve this problem, connecting the 3-phase input of the motor and the motor-driven inverter through the bus bar not only reduces the volume but also contributes to cost reduction.

전기자동차의 경우 모터, 모터 구동 인버터와 함께 저전압 DC-DC 컨버터로 핵심부품이다. 저전압 DC-DC 컨버터의 경우 고전압 입력단을 모터 구동 인버터와 공통으로 활용할 수 있지만, 부스바 등으로 연결할 필요가 없기 때문에 모터 구동 인버터와 저전압 DC-DC 컨버터를 인접배치할 필요가 없다.In the case of electric vehicles, motor, motor-driven inverter and low-voltage DC-DC converter are key components. In the case of low-voltage DC-DC converters, high-voltage inputs can be used in common with motor-driven inverters, but there is no need to connect them with bus bars, so there is no need to arrange motor-driven inverters and low-voltage DC-DC converters in close proximity.

상기와 같은 문제점을 해결하기 위한 본 발명의 목적은 모터에 인버터와 저전압 DC-DC컨버터를 효율적으로 배치함으로써 공간 사용을 극대화시키고, 냉각을 위한 방열 구조를 간소화하는 자동차용 통합 구동 모듈을 제공하는 데 있다.An object of the present invention is to provide an integrated drive module for an automobile which maximizes space utilization and simplifies a heat radiation structure for cooling by efficiently arranging an inverter and a low voltage DC-DC converter in a motor have.

상기 목적을 달성하기 위한 본 발명은 모터; 내부에 수납홈을 가지며 상기 모터와 결합되는 하부커버; 상기 하부커버의 수납홈에 수납되는 저전압 DC-DC컨버터(LDC) 모듈; 및 상기 저전압 DC-DC컨버터(LDC) 모듈과 결합되는 모터제어기;를 포함하는 자동차용 통합 구동 모듈을 제공한다.According to an aspect of the present invention, A lower cover having a receiving groove therein and coupled with the motor; A low voltage DC-DC converter (LDC) module housed in a receiving groove of the lower cover; And a motor controller coupled to the low voltage DC-DC converter (LDC) module.

상기 저전압 DC-DC컨버터(LDC) 모듈 케이스의 하부 개구부에 IGBT모듈과 저전압 DC-DC컨버터(LDC) 베이스 플레이트가 상하에서 결합할 수 있다.An IGBT module and a low voltage DC-DC converter (LDC) base plate can be coupled to the lower opening of the case of the low voltage DC-DC converter module (LDC) module.

상기 IGBT모듈과 저전압 DC-DC컨버터(LDC) 베이스 플레이트는 다수개로 이루어진 방열핀이 일정 간격을 두고 배열된 냉각모듈을 구비할 수 있다.The IGBT module and the low voltage DC-DC converter (LDC) base plate may include a cooling module in which a plurality of radiating fins are arranged at regular intervals.

상술한 바와 같이 본 발명에 따르면, 모터에 인버터와 저전압 DC-DC컨버터를 효율적으로 배치함으로써 공간 사용을 극대화시키고, 냉각을 위한 방열 구조를 간소화할 수 있는 장점이 있다.As described above, according to the present invention, the inverter and the low-voltage DC-DC converter are efficiently arranged in the motor, thereby maximizing the space usage and simplifying the heat dissipation structure for cooling.

도 1은 본 발명의 일실시예에 따른 자동차용 통합 구동 모듈의 분해 사시도이다.
도 2는 본 발명의 저전압 DC-DC컨버터 모듈 케이스에 결합되는 냉각구조를 나타낸 분해 사시도이다.
도 3은 본 발명의 IGBT모듈과 저전압 DC-DC컨버터 베이스 플레이트를 나타낸 단면도이다.1 is an exploded perspective view of an integrated drive module for a vehicle according to an embodiment of the present invention.
FIG. 2 is an exploded perspective view showing a cooling structure incorporated in the low-voltage DC-DC converter module case of the present invention. FIG.
3 is a cross-sectional view of an IGBT module and a low-voltage DC-DC converter base plate according to the present invention.

아래에서는 첨부한 도면을 참고로 하여 본 발명의 실시예에 대하여 본 발명이 속하는 기술 분야에서 통상의 지식을 가진 자가 용이하게 실시할 수 있도록 상세히 설명한다. 그러나 본 발명은 여러 가지 상이한 형태로 구현될 수 있으며 여기에서 설명하는 실시예에 한정되지 않는다. 그리고 도면에서 본 발명을 명확하게 설명하기 위해서 설명과 관계없는 부분은 생략하였으며, 명세서 전체를 통하여 유사한 부분에 대해서는 유사한 도면 부호를 붙였다.Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and similar parts are denoted by like reference characters throughout the specification.

그러면 본 발명의 일 실시예에 따른 자동차용 통합 구동 모듈에 대하여 설명한다.The integrated drive module for a vehicle according to an embodiment of the present invention will now be described.

도 1은 본 발명의 일실시예에 따른 자동차용 통합 구동 모듈의 분해 사시도이고, 도 2는 본 발명의 저전압 DC-DC컨버터 모듈 케이스에 결합되는 냉각구조를 나타낸 분해 사시도이며, 도 3은 본 발명의 IGBT모듈과 저전압 DC-DC컨버터 베이스 플레이트를 나타낸 단면도이다.FIG. 1 is an exploded perspective view of an automotive integrated drive module according to an embodiment of the present invention, FIG. 2 is an exploded perspective view illustrating a cooling structure coupled to a low voltage DC-DC converter module case of the present invention, Sectional view of the IGBT module and the low voltage DC-DC converter base plate.

도 1 및 도 3을 참조하면, 본 발명의 자동차용 통합 구동 모듈은 모터(10), 내부에 수납홈을 가지며 상기 모터(10)와 결합되는 하부커버(20), 상기 하부커버(20)의 수납홈에 수납되는 저전압 DC-DC컨버터(LDC) 모듈(30), 및 상기 저전압 DC-DC컨버터(LDC) 모듈(30)과 결합되는 모터제어기(MCU, 40)를 포함하여 구성된다.1 and 3, an integrated drive module for a vehicle according to the present invention includes a motor 10, a lower cover 20 having a receiving groove therein and coupled with the motor 10, A low voltage DC-DC converter (LDC) module 30 housed in a storage groove, and a motor controller (MCU) 40 coupled to the low voltage DC-DC converter (LDC)

상기 모터(10) 상부에는 모터의 3상 입력단을 연결하기 위한 부스바(11)가 연결되어 있다.A bus bar 11 for connecting the three-phase input terminal of the motor is connected to the upper portion of the motor 10.

상기 하부커버(20)는 모터(10)의 상부 빈공간과 결합되도록 같은 형상으로이루질 수 있으며, 저전압 DC-DC컨버터(LDC) 모듈(30)을 수납함으로써 전기 자동차의 부피를 줄일 수 있다.The lower cover 20 may have the same shape to be coupled with the upper space of the motor 10, and the volume of the electric vehicle may be reduced by accommodating the low voltage DC-DC converter (LDC) module 30.

상기 모터제어기(MCU, 40) 케이스에 저전압 DC-DC컨버터(LDC) 모듈(30)을 결합하고, 하부커버(20)를 모터제어기(MCU, 40)의 케이스에 결합시킨다.A low voltage DC-DC converter (LDC) module 30 is coupled to the case of the motor controller MCU 40 and a lower cover 20 is coupled to the case of the motor controller MCU 40.

상기 저전압 컨버터(LDC) 모듈 케이스(31)의 하부 개구부에 IGBT모듈(32)과 저전압 컨버터(LDC) 베이스 플레이트(33)가 상하에서 결합할 수 있다. The IGBT module 32 and the low voltage converter (LDC) base plate 33 can be coupled to the lower opening of the low voltage converter (LDC) module case 31 from above and below.

여기서, 상기 IGBT모듈(32)은 상기 IGBT의 저면에 고정되고 이면에는 전달된 열을 외부로 방출하기 위한 다수개로 이루어진 방열핀(34)이 일정 간격을 두고 배열된 제1 냉각모듈(35)이 구비되고, 상기 저전압 컨버터(LDC) 베이스 플레이트(33)도 다수개로 이루어진 방열핀(34)이 일정 간격을 두고 배열된 제2 냉각모듈(36)을 구비한다. 이때, 상기 방열핀(34)은 유선형, 직선형, 보스형 타입으로 형성하며, 이에 한정하지 않는다. Here, the IGBT module 32 is fixed to the bottom surface of the IGBT, and a plurality of heat dissipation fins 34 for discharging the heat transferred to the outside are fixed on the back surface of the IGBT module 32, And a second cooling module 36 having a plurality of low-voltage converter (LDC) base plates 33 and having a plurality of heat-radiating fins 34 arranged at regular intervals. At this time, the heat dissipation fins 34 are formed in a streamline, straight, or boss type, but are not limited thereto.

이상에서 본 발명의 실시예에 대하여 상세하게 설명하였지만 본 발명의 권리 범위는 이에 한정되는 것은 아니고 다음의 청구범위에서 정의하고 있는 본 발명의 기본 개념을 이용한 당업자의 여러 변형 및 개량 형태 또한 본 발명의 권리범위에 속하는 것이다.While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, It belongs to the scope of right.

10: 모터 11: 부스바
20: 하부커버 30: 저전압 DC-DC컨버터(LDC) 모듈
32: IGBT모듈 33: LDC 베이스 플레이트
34: 방열핀 35, 36: 냉각모듈 10: Motor 11: Busbar
20: lower cover 30: low voltage DC-DC converter (LDC) module
32: IGBT module 33: LDC base plate
34: radiating fins 35, 36: cooling module

Claims (3)

모터;
내부에 수납홈을 가지며 상기 모터와 결합되는 하부커버;
상기 하부커버의 수납홈에 수납되는 저전압 DC-DC컨버터(LDC) 모듈; 및
상기 저전압 DC-DC컨버터(LDC) 모듈과 결합되는 모터제어기;를 포함하는 것을 특징으로 하는 자동차용 통합 구동 모듈.motor;
A lower cover having a receiving groove therein and coupled with the motor;
A low voltage DC-DC converter (LDC) module housed in a receiving groove of the lower cover; And
And a motor controller coupled to the low voltage DC-DC converter (LDC) module. 제1항에서,
상기 저전압 DC-DC컨버터(LDC) 모듈 케이스의 하부 개구부에 IGBT모듈과 저전압 DC-DC컨버터(LDC) 베이스 플레이트가 상하에서 결합하는 것을 특징으로 하는 자동차용 통합 구동 모듈.The method of claim 1,
Wherein an IGBT module and a low voltage DC-DC converter (LDC) base plate are vertically coupled to a lower opening of the case of the low voltage DC-DC converter module (LDC) module. 제1항에서,
상기 IGBT모듈과 저전압 DC-DC컨버터(LDC) 베이스 플레이트는 다수개로 이루어진 방열핀이 일정 간격을 두고 배열된 냉각모듈을 구비하는 것을 특징으로 하는 자동차용 통합 구동 모듈.The method of claim 1,
Wherein the IGBT module and the low-voltage DC-DC converter (LDC) base plate are provided with a cooling module in which a plurality of radiating fins are arranged at regular intervals.
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KR101000594B1 (en) * 2008-06-20 2010-12-10 현대자동차주식회사 Power Control Unit for Fuel Cell Vehicle
KR20140075035A (en) * 2012-12-07 2014-06-19 현대자동차주식회사 Modularized component and assembling method thereof for electric vehicle
KR101541181B1 (en) * 2014-05-16 2015-08-03 주식회사 이지트로닉스 Inverter and Converter for Electric Vehicle

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KR101000594B1 (en) * 2008-06-20 2010-12-10 현대자동차주식회사 Power Control Unit for Fuel Cell Vehicle
KR20140075035A (en) * 2012-12-07 2014-06-19 현대자동차주식회사 Modularized component and assembling method thereof for electric vehicle
KR101541181B1 (en) * 2014-05-16 2015-08-03 주식회사 이지트로닉스 Inverter and Converter for Electric Vehicle

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* Cited by examiner, † Cited by third party
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