KR20100054684A - Cooling system for battery of driving vehicle - Google Patents

Cooling system for battery of driving vehicle Download PDF

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Publication number
KR20100054684A
KR20100054684A KR1020080113691A KR20080113691A KR20100054684A KR 20100054684 A KR20100054684 A KR 20100054684A KR 1020080113691 A KR1020080113691 A KR 1020080113691A KR 20080113691 A KR20080113691 A KR 20080113691A KR 20100054684 A KR20100054684 A KR 20100054684A
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South Korea
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cooling fan
battery
exhaust port
housing
cooling
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KR1020080113691A
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Korean (ko)
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KR101021114B1 (en
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요시로 시모야마
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현대자동차일본기술연구소
기아자동차주식회사
현대자동차주식회사
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • B60K11/06—Arrangement in connection with cooling of propulsion units with air cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/04—Arrangement of batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/02—Incandescent bodies
    • H01K1/04—Incandescent bodies characterised by the material thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • 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
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136—Forced ventilation, e.g. by fans
    • H05K7/20172—Fan mounting or fan specifications
    • 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
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20209—Thermal management, e.g. fan control
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Secondary Cells (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

PURPOSE: A cooling system for a vehicle drive battery is provided to extend the service life of the battery by minimizing the temperature difference between battery cells. CONSTITUTION: A cooling system for a vehicle drive battery comprises a housing(10) covering battery cells, a door(13) opening and shutting the exhaust port of the housing, a cooling fan embedded part(12) in which a cooling fan is installed and which is installed on the exhaust port of the housing, and a travel unit which moves the cooling fan embedded part along the side of the exhaust port of the housing. The door is opened by the intake pressure of the cooling fan so that the cooling fan is moved to cool the battery cell of higher temperature first.

Description

차량 구동용 배터리 냉각장치{Cooling system for battery of driving vehicle}Cooling system for vehicle driving {Cooling system for battery of driving vehicle}

본 발명은 차량 구동용 배터리 냉각장치에 관한 것으로서, 더욱 상세하게는 냉각팬의 위치를 가변시켜 배터리를 균일하게 냉각함으로써, 배터리의 수명을 연장시킬 수 있는 차량 구동용 배터리 냉각장치에 관한 것이다.The present invention relates to a vehicle driving battery cooler, and more particularly to a vehicle driving battery cooler that can extend the life of the battery by varying the position of the cooling fan to uniformly cool the battery.

배터리셀은 배터리유닛을 이루는 기본적인 요소로서, 다수개가 전기적으로 접속되고 기계적으로 연결되어 외부와 전기를 주고 받을 수 있도록 되어 있으며, 각 배터리셀에서는 독자적인 전기/화학적 반응이 일어나게 되어 있어서, 각 배터리셀들의 온도 변화는 독립적으로 이루어진다.The battery cell is a basic element constituting the battery unit, a plurality of them are electrically connected and mechanically connected to exchange electricity with the outside, each battery cell has its own electrical / chemical reaction occurs, The temperature change is made independently.

따라서, 배터리유닛의 차원에서는 소속되어 있는 각 배터리셀들이 동일한 온도를 가지고 균일한 전기/화학적 작용을 하도록 하는 것이 필요하며, 특히 배터리셀들을 균일하게 냉각시키는 것은 배터리유닛의 내구성 확보에 매우 중요하게 작용한다.Therefore, in the dimension of a battery unit, it is necessary for each battery cell to which it belongs to have the same temperature, and to perform a uniform electrical / chemical action, especially cooling the battery cells uniformly is very important to ensure durability of a battery unit. do.

본 발명과 관련된 일본공개특허 제2005-294023호에는 소형이고 방열성 및 내진동성이 뛰어난 조전지(組電池)가 개시되어 있다. 상기 조전지는 판상의 배터리셀들을 프레임에 나열하고, 상기 프레임을 6단으로 적층한 배터리 유닛으로 구성된다.Japanese Laid-Open Patent Publication No. 2005-294023 related to the present invention discloses a battery pack that is compact and has excellent heat dissipation and vibration resistance. The battery pack includes a battery unit in which plate-shaped battery cells are arranged in a frame and the frame is stacked in six stages.

상기 배터리 유닛 내의 배터리셀들을 냉각하기 위해 각 프레임마다 일측에 냉매도입구와 타측에 냉매배출구를 형성하여, 상기 냉매도입구를 통해 유입된 냉매가 프레임 내에 나열된 배터리셀들을 냉각시킨후 냉매배출구를 통해 배출되게 되는 구조이다. In order to cool the battery cells in the battery unit, a coolant inlet is formed at one side and a coolant outlet at the other side of each frame, and the coolant introduced through the coolant inlet cools the battery cells listed in the frame, and then through the coolant outlet. It is a structure to be discharged.

그리고, 상기 특허에서 조전지에 냉각풍을 공급하기 위해 조전지의 외장케이스 일측에 냉매도입덕트가 형성되고, 상기 외장케이스 타측에 냉각팬과 냉매배출덕트가 형성되어 있다.In the patent, a coolant introduction duct is formed on one side of an outer case of the assembled battery to supply cooling air to the assembled battery, and a cooling fan and a coolant discharge duct are formed on the other side of the outer case.

그러나, 상기 냉매도입덕트 근처에 있는 배터리셀들은 냉각성능이 좋아서 온도가 빨리 내려가나 냉각팬과 냉매배출덕트 근처에 있는 배터리셀들은 냉각 성능이 나빠서 온도가 느리게 내려간다.However, the battery cells near the refrigerant introduction duct have a good cooling performance and thus the temperature decreases quickly, but the battery cells near the cooling fan and the refrigerant discharge duct have a low cooling performance and thus have a low temperature.

이로인해 배터리셀의 온도가 불균일하게 되고, 배터터리 유닛에서 최대온도와 최저온도의 차이가 커지게 되며, 그 결과 배터리 유닛의 전체 수명이 온도가 가장 높고 수명이 가장 짧은 배터리셀과 비슷해져서 배터리의 교체수명이 단축되는 요인이 된다.This causes the temperature of the battery cell to be uneven, and the difference between the maximum and minimum temperature in the battery unit increases, resulting in the overall life of the battery unit being similar to that of the battery with the highest temperature and shortest life. Replacement life becomes a factor.

본 발명은 상기와 같은 점을 감안하여 안출한 것으로서, 차량 구동을 위해 배터리팩 내부에 장착되는 배터리셀들을 냉각함에 있어서 냉각팬을 좌우로 직선이동시키거나 360도 회전시켜 상대적으로 온도가 높은 배터리셀을 먼저 냉각함으로써, 배터리셀들을 균일하게 냉각하여 배터리의 수명을 연장할 수 있는 차량 구동용 배터리 냉각장치를 제공하는데 그 목적이 있다.The present invention has been made in view of the above, in cooling the battery cells mounted inside the battery pack for driving the vehicle to move the cooling fan linearly to the left or right or rotated 360 degrees relatively high battery cells It is an object of the present invention to provide a vehicle driving battery cooler capable of cooling the battery cells uniformly, thereby extending the life of the battery.

상기한 목적은 차량 구동용 배터리 냉각장치에 있어서,The above object is to provide a battery cooling device for driving a vehicle,

배터리셀들을 감싸며 전후면에 흡기구와 배기구가 형성된 하우징; 상기 하우징의 배기구를 개폐하도록 설치된 개폐도어; 내부에 냉각팬이 설치되고, 상기 하우징의 배기구측에서 이동가능하게 설치된 냉각팬 내장부; 상기 냉각팬 내장부를 하우징의 배기구 측면을 따라 이동시켜주는 이동수단을 포함하고, 상기 냉각팬의 흡입압력에 의해 개폐도어가 열리고, 상기 냉각팬이 이동하여 상대적으로 온도가 높은 배터리셀부터 냉각시키는 것을 특징으로 하는 차량 구동용 배터리 냉각장치에 의해 달성된다.A housing surrounding the battery cells and having an inlet and an exhaust port formed in front and rear surfaces thereof; An opening / closing door installed to open and close an exhaust port of the housing; A cooling fan internal part and a cooling fan internal part installed to be movable at an exhaust port side of the housing; And moving means for moving the internal part of the cooling fan along the side of the exhaust port of the housing, wherein the opening and closing door is opened by the suction pressure of the cooling fan, and the cooling fan is moved to cool the battery cell at a relatively high temperature. It is achieved by a vehicle driving battery cooler characterized in that.

바람직하게는, 상기 냉각팬을 이동시키기 위한 이동수단은 하우징의 배기구측 상면에 설치된 랙기어와, 상기 랙기어와 맞물리게 결합되고 냉각팬 내장부의 상단부 하면에 설치되는 피니언기어와, 상기 피니언기어를 구동하는 피니언구동용 모 터를 포함하고, 상기 피니언구동용 모터가 가동됨에 따라 냉각팬 내장부의 냉각팬이 하우징의 배기구측 상면에서 좌우방향으로 이동하여 상대적으로 온도가 높은 배터리셀부터 냉각하는 것을 특징으로 한다.Preferably, the moving means for moving the cooling fan is a rack gear installed on the upper surface of the exhaust port side of the housing, the pinion gear coupled to the rack gear and installed on the lower surface of the upper end of the cooling fan built-in drive, the pinion gear And a pinion driving motor, and as the pinion driving motor is operated, the cooling fan internal part of the cooling fan moves from the upper surface of the exhaust port sideward to the left and right to cool from the battery cell having a relatively high temperature. do.

한편, 상기한 목적은 차량 구동용 배터리 냉각장치에 있어서,On the other hand, the above object is in a vehicle driving battery cooling device,

배터리셀들을 감싸며 전후면에 흡기구와 배기구가 형성된 하우징; 상기 하우징의 배기구를 개폐하도록 설치된 개폐도어; 내부에 냉각팬이 설치되고, 상기 하우징의 배기구측에서 회전가능하게 설치된 냉각팬 내장부; 상기 냉각팬 내장부를 하우징의 배기구 측면을 따라 회전시켜주는 회전수단을 포함하고, 상기 냉각팬의 흡입압력에 의해 개폐도어가 열리고, 상기 냉각팬이 회전하여 상대적으로 온도가 높은 배터리셀부터 냉각시키는 것을 특징으로 하는 차량 구동용 배터리 냉각장치에 의해 달성된다.A housing surrounding the battery cells and having an inlet and an exhaust port formed in front and rear surfaces thereof; An opening / closing door installed to open and close an exhaust port of the housing; A cooling fan internal part and a cooling fan internal part installed rotatably at an exhaust port side of the housing; Rotating means for rotating the cooling fan built-in portion along the exhaust port side of the housing, the opening and closing door is opened by the suction pressure of the cooling fan, the cooling fan rotates to cool from the relatively high temperature battery cell It is achieved by a vehicle driving battery cooler characterized in that.

바람직하게는, 상기 회전수단은 하우징의 배기구측 중심부에 설치된 중심축과, 상기 중심축을 중심으로 냉각팬 내장부가 회전가능하도록 냉각팬 내장부의 일측 모서리에 설치된 전동수단을 포함하는 것을 특징으로 한다.Preferably, the rotating means includes a central shaft installed at the center of the exhaust port side of the housing, and a transmission means installed at one corner of the cooling fan built-in part so as to be rotatable around the central axis.

이에 따라 본 발명에 따른 차량 구동용 배터리 냉각장치에 의하면, 냉각팬이 이동 및 회전하면서 상대적으로 온도가 높은 배터리부터 냉각시킴으로써, 배터리팩 안에 있는 배터리셀들을 균일하게 냉각시킬 수 있고, 배터리셀들의 최고온도 및 최저온도의 차이를 최소화하여 배터리의 수명을 연장할 수 있다.Accordingly, according to the vehicle-driven battery cooling apparatus according to the present invention, by cooling the battery from the relatively high temperature while the cooling fan moves and rotates, it is possible to uniformly cool the battery cells in the battery pack, the highest of the battery cells By minimizing the difference between temperature and minimum temperature, the battery life can be extended.

이하, 본 발명의 바람직한 실시예를 첨부도면을 참조로 상세하게 설명한다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

본 발명은 하이브리드 차량 등의 구동용 배터리를 냉각하는 장치에 관한 것으로서, 냉각팬(18)의 위치를 가변시켜 배터리의 냉각온도를 균일하게 하는 구조를 갖는 차량구동용 배터리 냉각장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for cooling a driving battery, such as a hybrid vehicle, and more particularly, to a vehicle driving battery cooling apparatus having a structure in which the position of the cooling fan 18 is changed to make the cooling temperature of the battery uniform.

상기 배터리는 차량을 구동하는 데 사용하는 2차 배터리에 관한 것이다. 상기 배터리는 내부에 다수의 배터리셀(11,21)들이 적층 및 결합된 배터리팩 형태로 제공되며, 냉각풍을 냉각팬(18)에 의해 흡입하여 배터리팩 내부에서 냉각풍과 가열된 배터리셀(11,21)간의 열교환에 의해 배터리셀(11,21)은 냉각되고 냉각풍은 가열되어 냉각팬(18)으로 빠져나가는 구조로 이루어진다.The battery relates to a secondary battery used to drive a vehicle. The battery is provided in the form of a battery pack in which a plurality of battery cells 11 and 21 are stacked and combined therein. By the heat exchange between the 11 and 21, the battery cells 11 and 21 are cooled and the cooling wind is heated to escape to the cooling fan 18.

이와 같은 구조를 이루기 위해 상기 적층 및 결합된 배터리셀(11,21)들을 내부에 수용하는 배터리팩과, 배터리팩 내부로 냉각풍이 흡입 및 배출되는 흡기구 및 배기구(19)와, 냉각풍을 흡입 및 배출시키기 위한 냉각팬(18)과, 냉각팬(18)을 이동 및 회전시키기 위한 이동수단 및 회전수단을 포함한다.In order to achieve such a structure, a battery pack accommodating the stacked and coupled battery cells 11 and 21 therein, an inlet and an exhaust port 19 through which cooling air is sucked and discharged into the battery pack, and suctioning and cooling the cooling wind. And a cooling means 18 for discharging, moving means and rotating means for moving and rotating the cooling fan 18.

상기 흡기구는 배터리팩 하우징(10,20)에 일측방향(길이가 긴 측면방향)으로 개구되며 배터리팩 안에 적층 및 결합된 배터리셀(11,21)들에 균일하게 작용할 수 있도록 다수의 흡기구가 형성되며, 흡기구를 통해 유입된 냉각풍은 각 배터리셀(11,21)과 동시에 부딪혀서 냉각작용을 동시에 수행한다.The intake port is opened in one direction (long side direction) in the battery pack housings 10 and 20, and a plurality of intake ports are formed to uniformly act on the battery cells 11 and 21 stacked and coupled in the battery pack. The cooling air introduced through the intake port collides with the battery cells 11 and 21 at the same time to simultaneously perform the cooling operation.

또한, 상기 배기구(19)는 배터리팩 하우징(10,20)에 흡기구의 반대방향으로 서로 마주보게 형성되며, 상기 이동수단은 냉각팬(18)이 내부에 장착된 냉각팬 내장부(12)를 좌우로 이동시키기 위해 배터리팩 하우징(10)의 배기구(19)측 상단에 랙과 피니언의 조합으로 구성된다. 또한, 상기 회전수단은 냉각팬 내장부(22)를 360도로 회전시키기 위해 냉각팬 내장부(22)의 일측모서리가 배기구(19) 측의 중심축(24)에 결합된다. 따라서, 직선이동수단에 의한 경우 냉각팬(18)이 냉각풍의 흐름과 수직인 방향으로 움직이고, 회전수단에 의한 경우 냉각팬(18)이 360도 회전하여 온도가 상대적으로 높은 배터리셀(11,21)을 먼저 냉각하여 배터리셀(11,21)을 균일하게 냉각시킨다.In addition, the exhaust port 19 is formed in the battery pack housing (10, 20) to face each other in the opposite direction of the inlet port, the moving means is a cooling fan built-in portion 12, the cooling fan 18 is mounted therein It is composed of a combination of rack and pinion on the upper side of the exhaust port 19 side of the battery pack housing 10 to move left and right. In addition, the rotation means has one side edge of the cooling fan built-in portion 22 is coupled to the central axis 24 of the exhaust port 19 side to rotate the cooling fan built-in portion 22 by 360 degrees. Therefore, the cooling fan 18 moves in a direction perpendicular to the flow of the cooling wind in the case of the linear movement means, and the cooling fan 18 rotates 360 degrees in the case of the rotating means, so that the battery cells 11 and 21 have a relatively high temperature. ) Is first cooled to uniformly cool the battery cells 11 and 21.

상기 배기구(19)측 전체면에는 배기구(19)를 개폐하기 위한 다수의 개폐도어(13,23)가 회전가능하게 설치되고, 냉각팬(18)은 배기구(19) 전체면을 커버하지 않고 이동수단 및 회전수단에 의해 상대적으로 온도가 높은 배터리셀(11,21)로 이동 및 회전하면서 냉각풍을 흡입하므로, 냉각팬(18)이 없는 배기구(19) 측에 설치된 개폐도어(13,23)는 닫힘상태로 되고, 냉각팬(18)이 있는 배기구(19) 측에 설치된 개폐도어(13,23)는 열림상태로 되어 배터리셀(11,21)을 균일하게 냉각시킨다.A plurality of opening and closing doors 13 and 23 for rotatably opening and closing the exhaust port 19 are rotatably installed on the entire surface of the exhaust port 19 side, and the cooling fan 18 moves without covering the exhaust port 19 whole surface. The opening and closing doors 13 and 23 provided on the exhaust port 19 side without the cooling fan 18 because the cooling air is sucked in by moving and rotating the battery cells 11 and 21 having relatively high temperatures by means and rotation means. Is in a closed state, and the opening / closing doors 13 and 23 provided on the exhaust port 19 side with the cooling fan 18 are in the open state to uniformly cool the battery cells 11 and 21.

이하, 본 발명의 일실시예에 따른 차량구동용 배터리 냉각장치를 첨부한 도면을 참조로 더욱 상세하게 설명하면 다음과 같다.Hereinafter, with reference to the accompanying drawings a vehicle driving battery cooling apparatus according to an embodiment of the present invention in more detail as follows.

도 1은 본 발명의 일실시예에 따른 차량구동용 배터리 냉각장치를 나타내는 사시도이고, 도 2은 도 1에서 직선이동수단을 나타내는 개략도이고, 도 5는 냉각팬이 통해 냉각풍이 배출되는 구조를 설명하기 위한 작동상태도이고, 도 6은 냉각팬이 없는 곳에 위치한 개폐도어의 닫힘상태를 나타내는 작동상태도이다.1 is a perspective view illustrating a battery driving apparatus for driving a vehicle according to an embodiment of the present invention, FIG. 2 is a schematic view showing a linear movement means in FIG. 1, and FIG. 5 illustrates a structure in which cooling air is discharged through a cooling fan. 6 is an operation state diagram showing a closed state of the opening / closing door located at the place where the cooling fan is absent.

본 발명의 일실시예에 따른 차량구동용 배터리 냉각장치는 크게 배터리팩과,냉각팬(18)이 내부에 장착된 냉각팬 내장부(12)와, 냉각팬 내장부(12)를 이동시키기 위한 이동수단으로 구성된다.A vehicle cooling apparatus for driving a vehicle according to an embodiment of the present invention includes a battery pack, a cooling fan internal part 12 having a cooling fan 18 mounted therein, and a cooling fan internal part 12 for moving the cooling fan internal part 12. It consists of a means of transportation.

배터리팩은 흡기구와 배기구(19)가 형성된 하우징(10)과, 하우징(10) 내부에 적층 및 결합된 배터리셀(11)을 포함하고, 냉각팬 내장부(12)에는 냉각팬(18)이 설치되어 있다.The battery pack includes a housing 10 having an inlet and an exhaust port 19 formed therein, and a battery cell 11 stacked and coupled inside the housing 10. The cooling fan internal part 12 includes a cooling fan 18. It is installed.

상기 하우징(10)은 복수의 배터리셀(11)을 패키지 형태로 모듈화하기 위해 적층 및 결합된 배터리셀(11)들을 모두 감싸는 구조로 이루어지고, 근사 직사각체로서 하우징(10)의 가로방향으로 상하좌우면 전체가 밀폐되고, 하우징(10)의 세로방향으로 전단면에 흡기구가 형성되고, 하우징(10)의 후단면에 배기구(19)가 형성된다.The housing 10 has a structure surrounding all of the stacked and coupled battery cells 11 to modularize the plurality of battery cells 11 in a package form, and is an approximate rectangular shape in the horizontal direction of the housing 10. The entire left and right sides are sealed, an inlet is formed in the front end face in the longitudinal direction of the housing 10, and an exhaust port 19 is formed in the rear end face of the housing 10.

상기 배기구(19)측에는 배기구(19)를 개폐하도록 다수의 개폐도어(13)가 회전축에 회전가능하게 설치되고, 평상시에는 배기구(19)에서 닫힘상태로 있다가 냉각팬(18)의 흡입압력에 의해 개폐도어(13)가 열림상태로 되게 된다.On the exhaust port 19 side, a plurality of opening and closing doors 13 are rotatably installed on the rotating shaft so as to open and close the exhaust port 19. Usually, the exhaust door 19 is closed in the exhaust port 19, and the suction pressure of the cooling fan 18 is maintained. As a result, the opening / closing door 13 is opened.

상기 냉각팬 내장부(12)의 내부에는 냉각팬(18)이 회전가능하게 설치되고, 냉각팬(18)을 구동시키기 위한 구동모터가 설치되고, 냉각팬(18)의 회전축에 구동모터가 연결되어 구동모터가 가동됨에 따라 냉각팬(18)이 회전하게 된다. 이때, 상기 냉각팬 내장부(12)의 후면에는 장공형태의 배출구(17)가 복수로 평행하게 형성되어 있다.The cooling fan 18 is rotatably installed in the cooling fan internal part 12, and a driving motor for driving the cooling fan 18 is installed, and a driving motor is connected to the rotating shaft of the cooling fan 18. The cooling fan 18 is rotated as the drive motor is operated. In this case, a plurality of outlets 17 having a long hole shape are formed on the rear surface of the cooling fan internal part 12 in parallel.

상기 냉각팬 내장부(12)를 좌우방향으로 이동시켜주기 위한 이동수단은 배터 리팩 하우징(10)의 상면에 설치된 랙기어(14)와, 냉각팬 내장부(12)의 상측부가 전방향으로 연장된 부분의 하면에 설치된 피니언기어(15)와, 피니언기어(15)를 구동하기 위한 피니언 구동용 모터를 포함한다. 이때, 피니언기어(15)는 랙기어(14)와 맞물리게 설치되고, 상기 피니언기어(15)의 회전축은 피니언 구동용 모터(16)와 연결되어 있으며, 모터가 가동됨에 따라 피니언기어(15)가 회전하면서 피니언기어(15)와 맞물린 랙기어(14)를 따라 냉각팬 내장부(12)가 좌우로 이동하게 된다.Moving means for moving the cooling fan built-in portion 12 in the left and right direction is a rack gear 14 provided on the upper surface of the battery pack housing 10, and the upper side of the cooling fan built-in portion 12 extends in all directions And a pinion gear 15 provided on the lower surface of the portion, and a pinion driving motor for driving the pinion gear 15. At this time, the pinion gear 15 is installed to mesh with the rack gear 14, the rotation shaft of the pinion gear 15 is connected to the pinion drive motor 16, the pinion gear 15 is driven as the motor is operated. The cooling fan internal part 12 moves left and right along the rack gear 14 engaged with the pinion gear 15 while rotating.

또한, 상기 배터리팩 하우징(10) 내부에는 배터리셀(11)들의 온도를 감지하기 위한 온도센서가 복수 설치되어 있고, 제어부는 온도센서로부터 감지신호를 입력받아 냉각팬(18)이 상대적으로 과열된 배터리셀(11)로 이동할 수 있도록 제어한다.In addition, a plurality of temperature sensors for sensing the temperature of the battery cells 11 are installed in the battery pack housing 10, and the controller receives a detection signal from the temperature sensor so that the cooling fan 18 is relatively overheated. Control to move to the battery cell (11).

이와 같은 구성에 의한 본 발명의 일실시예에 따른 차량구동용 배터리 냉각장치의 작동상태를 설명하면 다음과 같다.Referring to the operation state of the vehicle driving battery cooling apparatus according to an embodiment of the present invention by such a configuration as follows.

먼저 냉각팬 내장부(12)의 구동모터를 일정한 속도로 가동한다. 배터리의 과열되는 정도에 따라 배터리 온도가 올라갈 수록 구동모터를 제어하여 냉각팬(18)의 회전속도를 증가시킨다.First, the drive motor of the cooling fan built-in part 12 is operated at a constant speed. According to the degree of overheating of the battery, as the battery temperature increases, the driving motor is controlled to increase the rotational speed of the cooling fan 18.

냉각팬(18)이 회전함에 따라 흡기구를 통해 냉각풍이 흡입되고, 제어부는 온도센서로부터 감지신호를 입력받아 이동수단의 작동을 제어하여 냉각팬 내장부(12)를 이동시켜 상대적으로 더욱 과열된 배터리를 냉각시킨다.As the cooling fan 18 rotates, the cooling wind is sucked through the intake port, and the control unit receives the detection signal from the temperature sensor to control the operation of the moving means to move the cooling fan built-in unit 12 so that the battery is more overheated. Cool down.

피니언구동용 모터(16)는 제어부로부터 제어신호를 받아 가동되면서 피니언기어(15)를 회전시키고, 냉각팬 내장부(12)가 피니언기어(15)와 치합된 랙기어(14) 를 따라 이동하여 상대적으로 온도가 높은 배터리셀(11)이 있는 곳으로 이동한다.The pinion driving motor 16 is operated by receiving a control signal from the control unit to rotate the pinion gear 15, and the cooling fan internal part 12 moves along the rack gear 14 engaged with the pinion gear 15. The battery cell 11 moves to a place where the temperature is relatively high.

계속해서, 과열된 배터리셀(11)이 있는 배기구(19)측으로 이동한 냉각팬 내장부(12)에서는 냉각팬(18)이 가동되어 냉각팬(18)의 흡입압력에 의해 개폐도어(13)가 열림상태로 되고, 냉각풍이 상대적으로 온도가 높은 배터리셀(11)로 유입되어 냉각시킨 후 개폐도어(13)를 거쳐 냉각팬(18)을 통해 배출된다. 물론 온도가 상대적으로 낮은 배터리셀(11)의 경우에도 냉각풍이 공급되나, 초기에 냉각풍이 상대적으로 온도가 높은 배터리셀(11)을 냉각시킨 후에 냉각되게 되므로 상대적으로 온도가 낮은 배터리셀(11)은 상대적으로 온도가 높은 배터리셀(11)의 온도와 균형을 이루면서 냉각되게 된다.Subsequently, in the cooling fan built-in part 12 moved to the exhaust port 19 where the battery cell 11 is overheated, the cooling fan 18 is operated to open and close the door 13 by the suction pressure of the cooling fan 18. Is opened, the cooling wind is introduced into the battery cell 11 having a relatively high temperature, cooled, and discharged through the cooling fan 18 via the opening / closing door 13. Of course, even in the case of the battery cell 11 having a relatively low temperature, the cooling wind is supplied, but since the cooling wind is initially cooled after cooling the battery cell 11 having a relatively high temperature, the battery cell 11 having a relatively low temperature Is cooled while balancing the temperature of the relatively high temperature battery cell (11).

도 3은 본 발명의 다른 실시예에 따른 차량구동용 배터리 냉각장치를 나타내는 사시도이고, 도 4는 도 3에서 "A-A"선을 따라 취한 단면도이다.3 is a perspective view illustrating a battery driving apparatus for driving a vehicle according to another embodiment of the present invention, and FIG. 4 is a cross-sectional view taken along the line “A-A” in FIG. 3.

한편, 본 발명의 다른 실시예에 따른 차량구동용 배터리 냉각장치는 배터리팩, 배터리팩 하우징(20)의 배기구(19)측에 설치된 개폐도어(13) 등은 상기 일실시예와 구성 및 작용면에서 대동소이하므로 이하 설명에서 생략하고, 냉각팬(18)을 회전시켜주기 위한 회전수단 위주로 설명하기로 한다.On the other hand, the vehicle driving battery cooling apparatus according to another embodiment of the present invention is a battery pack, the opening and closing door 13 and the like installed on the exhaust port 19 side of the battery pack housing 20 and the configuration and working surface Since the description is about the same, it will be omitted in the following description, and will be described based on the rotating means for rotating the cooling fan 18.

상기 일실시예에서 냉각팬(18)이 배터리팩 하우징(10)의 배기구(19)를 커버하는 범위는 세로방향의 배터리셀(11) 모두를 냉각시키되, 배기구(19) 전체면의 약 1/3에 해당하는 범위이며, 냉각팬(18)이 좌우로 이동하면서 과열된 배터리셀(11)들을 먼저 냉각시킨다.In this embodiment, the cooling fan 18 covers the exhaust port 19 of the battery pack housing 10 to cool all of the battery cells 11 in the longitudinal direction, but about 1 / of the entire surface of the exhaust port 19. 3, the cooling fan 18 moves left and right to cool the overheated battery cells 11 first.

그러나, 제2실시예에서 냉각팬(18)이 배터리팩 하우징(20)의 배기구(19)를 커버하는 범위는 배기구(19) 전체면의 약 1/4에 해당하는 범위이며, 냉각팬(18)이 360도로 회전하면서 과열된 배터리셀(21)들을 먼저 냉각시킨다.However, in the second embodiment, the range in which the cooling fan 18 covers the exhaust port 19 of the battery pack housing 20 corresponds to about 1/4 of the entire surface of the exhaust port 19, and the cooling fan 18 ) Rotates 360 degrees to cool the overheated battery cells 21 first.

즉, 냉각팬 내장부(22)의 오른쪽 상단부가 배기구측에 고정설치된 중심축(24)을 중심으로 회전가능하게 결합되며, 상기 냉각팬 내장부(22)가 중심축(24)을 중심으로 일방향으로 회전하면서 냉각팬(18)의 흡입압력에 의해 개폐도어(23)가 열리고 냉각풍이 흡입되어 과열된 배터리셀(21)을 냉각시킨 후 개폐도어(23)를 거쳐 냉각팬(18)을 통해 배출되게 된다. That is, the upper right end of the cooling fan internal part 22 is rotatably coupled around the central axis 24 fixed to the exhaust port side, and the cooling fan internal part 22 is one direction about the central axis 24. While opening and closing the door 23 is opened by the suction pressure of the cooling fan 18, the cooling wind is sucked to cool the battery cell 21 is overheated and discharged through the cooling fan 18 through the opening and closing door 23 while rotating to Will be.

여기서, 냉각팬 내장부(22)를 회전시키는 수단은, 전동 모터를 이용한다. 전동 모터의 하우징에 볼트 또는 일체 성형 등으로 고정된 냉각팬 내장부(22)는, 각 전지 온도 검출의 결과, 전지 온도의 가장 높은 위치에 회전 제어되어 이동한다.Here, the means for rotating the cooling fan internal part 22 uses an electric motor. The cooling fan built-in part 22 fixed to the housing of the electric motor by bolts or integral molding or the like is rotated and moved to the highest position of the battery temperature as a result of each battery temperature detection.

회전 제어는 전지 온도 상황을 검지하고, 모터의 시동, 회전각, 정지 등을 결정하여 모터에 제어 신호를 보낸다.The rotation control detects a battery temperature condition, determines the start, rotation angle, and stop of the motor and sends a control signal to the motor.

이와 같은 구성 및 작용에 의해 냉각팬(18)이 이동 및 회전하면서 상대적으로 온도가 높은 배터리부터 냉각시킴으로써, 배터리팩 안에 있는 배터리셀(11,21)들을 균일하게 냉각시킬 수 있고, 배터리셀(11,21)들의 최고온도 및 최저온도의 차이를 최소화하여 배터리의 수명을 연장할 수 있다.By such a configuration and action, as the cooling fan 18 moves and rotates to cool the battery having a relatively high temperature, the battery cells 11 and 21 in the battery pack can be uniformly cooled, and the battery cells 11 By minimizing the difference between the highest temperature and the lowest temperature, the battery life can be extended.

이상에서는 본 발명을 특정의 바람직한 실시예에 대하여 도시하고 설명하였으나, 본 발명은 이러한 실시예에 한정되지 않으며, 당해 발명이 속하는 기술분야에서 통상의 지식을 가진 자가 특허청구범위에서 청구하는 본 발명의 기술적 사상을 벗어나지 않는 범위내에서 실시할 수 있는 다양한 형태의 실시예들을 모두 포함 한다.While the invention has been shown and described with respect to certain preferred embodiments thereof, the invention is not limited to these embodiments, and has been claimed by those of ordinary skill in the art to which the invention pertains. It includes all the various forms of embodiments that can be implemented without departing from the spirit.

도 1은 본 발명의 일실시예에 따른 차량구동용 배터리 냉각장치를 나타내는 사시도, 1 is a perspective view of a battery driving device for driving a vehicle according to an embodiment of the present invention;

도 2은 도 1에서 직선이동수단을 나타내는 개략도, 2 is a schematic view showing a linear movement means in FIG.

도 3은 본 발명의 다른 실시예에 따른 차량구동용 배터리 냉각장치를 나타내는 사시도, 3 is a perspective view of a battery driving apparatus for driving a vehicle according to another embodiment of the present invention;

도 4는 도 3에서 "A-A"선을 따라 취한 단면도, 4 is a cross-sectional view taken along the line "A-A" in FIG.

도 5는 냉각팬이 통해 냉각풍이 배출되는 구조를 설명하기 위한 작동상태도, 5 is an operating state diagram for explaining a structure in which the cooling wind is discharged through the cooling fan,

도 6은 냉각팬이 없는 곳에 위치한 개폐도어의 닫힘상태를 나타내는 작동상태도이다.6 is an operating state diagram showing a closed state of the opening and closing door located in the absence of the cooling fan.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

10,20 : 하우징 11,21 : 배터리셀10,20: housing 11,21: battery cell

12,22 : 냉각팬 내장부 13,23 : 개폐도어12,22: Cooling fan internal part 13,23: Opening and closing door

14 : 랙기어 15 : 피니언기어14: rack gear 15: pinion gear

16 : 피니언구동용 모터 17,27 : 배출구16: pinion driving motor 17, 27: outlet

18 : 냉각팬 19 : 배기구18: cooling fan 19: exhaust port

24 : 중심축24: center axis

Claims (4)

차량 구동용 배터리 냉각장치에 있어서,In a battery driving device for a vehicle, 배터리셀들을 감싸며 전후면에 흡기구와 배기구가 형성된 하우징;A housing surrounding the battery cells and having an inlet and an exhaust port formed in front and rear surfaces thereof; 상기 하우징의 배기구를 개폐하도록 설치된 개폐도어;An opening / closing door installed to open and close an exhaust port of the housing; 내부에 냉각팬이 설치되고, 상기 하우징의 배기구측에서 이동가능하게 설치된 냉각팬 내장부;A cooling fan internal part and a cooling fan internal part installed to be movable at an exhaust port side of the housing; 상기 냉각팬 내장부를 하우징의 배기구 측면을 따라 이동시켜주는 이동수단을 포함하고, 상기 냉각팬의 흡입압력에 의해 개폐도어가 열리고, 냉각팬이 이동하여 상대적으로 온도가 높은 배터리셀부터 냉각시키는 것을 특징으로 하는 차량 구동용 배터리 냉각장치.And moving means for moving the internal part of the cooling fan along the side of the exhaust port of the housing, wherein the opening and closing door is opened by the suction pressure of the cooling fan, and the cooling fan is moved to cool the battery cell at a relatively high temperature. A vehicle cooling device for driving a vehicle. 청구항 1에 있어서,The method according to claim 1, 상기 냉각팬을 이동시키기 위한 이동수단은 하우징의 배기구측 상면에 설치된 랙기어와, 상기 랙기어와 맞물리게 결합되고 냉각팬 내장부의 상단부 하면에 설치되는 피니언기어와, 상기 피니언기어를 구동하는 피니언구동용 모터를 포함하고, 상기 피니언구동용 모터가 가동됨에 따라 냉각팬 내장부의 냉각팬이 하우징의 배기구측 상면에서 좌우방향으로 이동하여 상대적으로 온도가 높은 배터리셀부터 냉각하는 것을 특징으로 하는 차량 구동용 배터리 냉각장치.Moving means for moving the cooling fan is a rack gear installed on the upper surface of the exhaust port side of the housing, the pinion gear coupled to the rack gear and installed on the lower surface of the upper end of the cooling fan built-in, and the pinion drive for driving the pinion gear And a motor, wherein the pinion driving motor is moved, and thus, a cooling fan in the cooling fan built-in unit moves left and right in an upper surface of the exhaust port side of the housing to cool from a battery cell having a relatively high temperature. Chiller. 차량 구동용 배터리 냉각장치에 있어서,In a battery driving device for a vehicle, 배터리셀들을 감싸며 전후면에 흡기구와 배기구가 형성된 하우징;A housing surrounding the battery cells and having an inlet and an exhaust port formed in front and rear surfaces thereof; 상기 하우징의 배기구를 개폐하도록 설치된 개폐도어;An opening / closing door installed to open and close an exhaust port of the housing; 내부에 냉각팬이 설치되고, 상기 하우징의 배기구측에서 회전가능하게 설치된 냉각팬 내장부;A cooling fan internal part and a cooling fan internal part installed rotatably at an exhaust port side of the housing; 상기 냉각팬 내장부를 하우징의 배기구 측면을 따라 회전시켜주는 회전수단을 포함하고, 상기 냉각팬의 흡입압력에 의해 개폐도어가 열리고, 상기 냉각팬이 회전하여 상대적으로 온도가 높은 배터리셀부터 냉각시키는 것을 특징으로 하는 차량 구동용 배터리 냉각장치.Rotating means for rotating the cooling fan built-in portion along the exhaust port side of the housing, the opening and closing door is opened by the suction pressure of the cooling fan, the cooling fan rotates to cool from the relatively high temperature battery cell Vehicle driving battery cooler characterized in that. 청구항 3에 있어서,The method according to claim 3, 상기 회전수단은 하우징의 배기구측 중심부에 설치된 중심축과, 상기 중심축을 중심으로 냉각팬 내장부가 회전가능하도록 냉각팬 내장부의 일측 모서리에 설치된 전동수단을 포함하는 것을 특징으로 하는 차량 구동용 배터리 냉각장치.The rotating means includes a central shaft installed at the center of the exhaust port side of the housing, and a transmission means installed at one corner of the cooling fan built-in part so that the cooling fan built-in part is rotatable about the central axis. .
KR1020080113691A 2008-11-14 2008-11-14 Cooling system for battery of driving vehicle KR101021114B1 (en)

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KR20190044180A (en) 2017-10-20 2019-04-30 현대자동차주식회사 Battery cooling device for vehicle
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US11038233B2 (en) 2018-06-07 2021-06-15 Hyundai Motor Company Battery cooling device for vehicle
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