KR19980054590A - Battery preheater for electric vehicles - Google Patents

Battery preheater for electric vehicles Download PDF

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Publication number
KR19980054590A
KR19980054590A KR1019960073755A KR19960073755A KR19980054590A KR 19980054590 A KR19980054590 A KR 19980054590A KR 1019960073755 A KR1019960073755 A KR 1019960073755A KR 19960073755 A KR19960073755 A KR 19960073755A KR 19980054590 A KR19980054590 A KR 19980054590A
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KR
South Korea
Prior art keywords
battery
temperature
electric vehicle
radiator
fan
Prior art date
Application number
KR1019960073755A
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Korean (ko)
Inventor
김천호
Original Assignee
김영귀
기아자동차 주식회사
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Application filed by 김영귀, 기아자동차 주식회사 filed Critical 김영귀
Priority to KR1019960073755A priority Critical patent/KR19980054590A/en
Publication of KR19980054590A publication Critical patent/KR19980054590A/en

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    • 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
    • H01M10/61—Types of temperature control
    • H01M10/615—Heating or keeping warm
    • 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
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
    • B60L58/27—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
    • 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
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
    • 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
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • 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
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6561—Gases
    • H01M10/6563—Gases with forced flow, e.g. by blowers
    • 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
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567—Liquids
    • H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
    • 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
    • H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
    • H01M10/667—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an electronic component, e.g. a CPU, an inverter or a capacitor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2200/00—Safety devices for primary or secondary batteries
    • H01M2200/10—Temperature sensitive devices
    • 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

Abstract

본 발명은 모터와 인버터를 냉각시키고 데워진 냉각수의 열을 이용하여 배터리의 온도를 일정하게 유지시키는 전기자동차의 배터리 예열장치에 관한 것이다.The present invention relates to a battery preheating apparatus of an electric vehicle that cools a motor and an inverter and maintains a constant temperature of a battery by using heat of heated coolant.

상기 전기 자동차의 배터리 예열장치는 전기 자동차의 냉각 시스템의 냉각수라인(5)에 장착되는 제2라디에이터(13)와, 상기 제2라디에이터(13)에 장착되는 팬(15)과, 배터리(23)의 온도를 감지하는 온도 센서(21)와, 상기 온도 센서(21)로 부터 데이터를 입력받아 릴레이 스위치(17)의 온/오프를 제어하므로서 팬(15)을 구동시키는 구동전압의 인가 여부를 컨트롤하는 제어기(19)로 구성되는 것을 특징으로 한다.The battery preheater of the electric vehicle includes a second radiator 13 mounted on the cooling water line 5 of the cooling system of the electric vehicle, a fan 15 mounted on the second radiator 13, and a battery 23. Controls whether or not the driving voltage for driving the fan 15 by controlling the on / off of the relay switch 17 by receiving data from the temperature sensor 21 and the temperature sensor 21 for sensing the temperature of It is characterized by consisting of a controller (19).

이것에 의해, 모터와 인버터를 냉각시키고 데워진 냉각수의 열을 이용하여 배터리의 온도를 일정하게 유지시키는 효과가 있다.This has the effect of keeping the temperature of the battery constant by cooling the motor and the inverter and using the heat of the cooled coolant.

Description

전기 자동차의 배터리 예열장치Battery preheater for electric vehicles

본 발명은 전기 자동차의 배터리 예열장치에 관한 것이며, 보다 상세히는 모터와 인버터를 냉각시키고 데워진 냉각수의 열을 이용하여 배터리의 온도를 일정하게 유지시키는 전기자동차의 배터리 예열장치에 관한 것이다.The present invention relates to a battery preheater of an electric vehicle, and more particularly, to a battery preheater of an electric vehicle that cools the motor and the inverter and maintains a constant temperature of the battery by using the heat of the warmed coolant.

도 1을 참조하면, 배터리는 온도가 낮아질수록 그 용량이 감소하며, 특히 0℃ 이하의 저온에서는 실온 30℃에 비하여 50% 이상 그 용량이 감소한다.Referring to FIG. 1, the capacity of the battery decreases as the temperature decreases, and at least 50% of the capacity decreases at a low temperature of 0 ° C. or lower compared with a room temperature of 30 ° C. FIG.

그러나, 종래 전기 자동차의 경우, 배터리를 가열시키는 장치가 없어 저온에서 배터리의 용량이 크게 감소하는 문제점이 있었다.However, in the conventional electric vehicle, there is no device for heating the battery has a problem that the capacity of the battery significantly reduced at low temperatures.

따라서, 본 발명은 상술한 종래의 문제점을 극복하기 위한 것으로서, 본 발명의 목적은 모터와 인버터를 냉각시키고 데워진 냉각수의 열을 이용하여 배터리의 온도를 일정하게 유지시키는 전기자동차의 배터리 예열장치를 제공하는데 있다.Accordingly, the present invention is to overcome the above-mentioned conventional problems, an object of the present invention is to provide a battery preheating apparatus of an electric vehicle to maintain a constant temperature of the battery by cooling the motor and the inverter and using the heat of the heated coolant. It is.

상기 본 발명의 목적을 달성하기 위한 전기 자동차의 배터리 예열장치의 일예로서, 전기 자동차의 냉각 시스템의 냉각수 라인에 장착되는 제2라디에이터와, 상기 제2라디에이터에 장착되는 팬과, 배터리의 온도를 감지하는 온도 센서와, 상기 온도 센서로부터 데이터를 입력받아 릴레이 스위치의 온/오프를 제어하므로서 팬을 구동시키는 구동전압의 인가 여부를 컨트롤하는 제어기로 구성되는 것을 특징으로 한다.As an example of a battery preheating apparatus of an electric vehicle for achieving the object of the present invention, a second radiator mounted on the cooling water line of the cooling system of the electric vehicle, a fan mounted to the second radiator, and senses the temperature of the battery And a controller for controlling whether the driving voltage for driving the fan is applied by controlling the on / off of the relay switch by receiving data from the temperature sensor.

이러한 구성에 의해, 추가적인 에너지 소비없이 모터와 인버터에서 버려지는 열을 이용하여 배터리를 예열하므로서 배터리의 용량을 증대시킨다.This configuration increases the capacity of the battery by preheating the battery using heat dissipated from the motor and inverter without additional energy consumption.

도 1은 온도에 대한 배터리 용량을 도시한 그래프1 is a graph showing battery capacity versus temperature

도 2는 본 발명에 따른 전기 자동차의 배터리 예열장치를 도시한 구성도2 is a block diagram showing a battery preheating device of an electric vehicle according to the present invention

* 도면의 주요부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

1:모터3:인버터1: motor 3: inverter

5:냉각수 라인7:펌프5: Coolant line 7: Pump

9:제1라디에이터11:배터리 예열장치9: first radiator 11: battery preheater

13:제2라디에이터15:팬13: second radiator 15: fan

17:릴레이 스위치19:제어기17: Relay switch 19: Controller

21:온도 센서23:배터리21: temperature sensor 23: battery

이하, 본 발명의 실시예를 도 2를 참조하여 상세히 설명하면, 도 2는 본 발명에 따른 전기 자동차의 배터리 예열장치를 도시한 구성도이다.Hereinafter, an embodiment of the present invention will be described in detail with reference to Figure 2, Figure 2 is a block diagram showing a battery preheating apparatus of an electric vehicle according to the present invention.

일반적으로, 전기 자동차의 냉각 시스템은 원동기인 모터(1) 및 상기 모터(1)의 작동을 제어하는 인버터(3)에 냉각수 라인(5)이 설치되고, 상기 냉각수 라인(5)에 냉각수를 순환시키는 펌프(7) 및 제1라디에이터(9)가 장착된다.In general, a cooling system of an electric vehicle includes a coolant line 5 installed in a motor 1, which is a prime mover, and an inverter 3 that controls the operation of the motor 1, and circulates coolant in the coolant line 5. The pump 7 and the first radiator 9 are mounted.

본 발명에 따른 전기 자동차의 배터리 예열장치(11)는 상기와 같은 전기 자동차의 냉각 시스템의 냉각수 라인(5)에 제2라디에이터(13)를 설치하여 고온의 냉각수와 저온의 공기를 열 교환시켜 배터리(23)로 데워진 공기를 공급하므로서, 상기 배터리(23)의 온도를 외부 오도에 관계없이 일정하게 유지시킨다.The battery preheater 11 of the electric vehicle according to the present invention installs a second radiator 13 in the coolant line 5 of the cooling system of the electric vehicle as described above to heat exchange the high temperature coolant with the low temperature air. By supplying the warmed air to the (23), the temperature of the battery (23) is kept constant irrespective of the external misleadingness.

그리고, 상기 제2라디에이터(13)에는 팬(15)이 장착되어 제2라디에이터(13)에서 열 교환된 공기를 배터리(23)로 유동시킨다.In addition, a fan 15 is mounted to the second radiator 13 to flow air exchanged with heat from the second radiator 13 to the battery 23.

제어기(19)는 배터리(23)의 온도를 가지하는 온도 센서(21)로부터 데이터를 입력받아 릴레이 스위치(17)의 온/오프를 제어하므로서, 팬(15)을 구동시키는 구동전압의 인가 여부를 컨트롤한다.The controller 19 receives data from the temperature sensor 21 having the temperature of the battery 23 and controls the on / off of the relay switch 17, thereby determining whether to apply a driving voltage for driving the fan 15. Control

상기와 같은 구성에 의해 본 발명의 전기 자동차의 배터리 예열장치는 다음과 같이 작동한다.By the above configuration, the battery preheating apparatus of the electric vehicle of the present invention operates as follows.

온도 센서(21)는 배터리(23)의 온도를 감지하고, 제어기(19)는 온도 센서(21)로부터 데이터를 입력받아 배터리(223)의 온도가 사용 적정 온도보다 낮으면 제어기 릴레이(17)을 턴 온시켜 팬(15)을 구동시킨다. 그러면, 팬(15)은 제2라디에이터(13)에서 열 교환된 공기를 배터리(23)로 공급하고, 배터리(23)의 온도가 사용 적정 온도보다 높으면 릴레이 스위치(17)를 턴 오프시킨다.The temperature sensor 21 senses the temperature of the battery 23, and the controller 19 receives data from the temperature sensor 21 and controls the controller relay 17 when the temperature of the battery 223 is lower than an appropriate temperature for use. The fan 15 is turned on to drive the fan 15. Then, the fan 15 supplies the heat exchanged air from the second radiator 13 to the battery 23, and turns off the relay switch 17 when the temperature of the battery 23 is higher than the proper temperature for use.

상술한 바와 같이 본 발명에 따른 전기 자동차의 배터리 예열장치는 추가적인 에너지 소비없이 모터와 인버터에서 버려지는 열을 이용하여 배터리를 예열하므로서 배터리의 용량을 증대시켜 차량의 주행 거리를 증가시키는 효과가 있다.As described above, the battery preheating apparatus of the electric vehicle according to the present invention has the effect of increasing the capacity of the battery to increase the running distance of the vehicle by preheating the battery using heat discarded from the motor and the inverter without additional energy consumption.

이상에서 설명한 것은 본 발명에 따른 전기 자동차의 배터리 예열장치를 실시하기 위한 하나의 실시예에 불과한 것으로서, 본 발명은 상기한 실시예에 한정되지 않고, 이하의 특허청구의 범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 분야에서 통상의 지식을 가진자라면 누구든지 다양하 변경 실시가 가능할 것이다What has been described above is just one embodiment for carrying out the battery preheating apparatus of the electric vehicle according to the present invention, the present invention is not limited to the above-described embodiment, of the present invention claimed in the following claims Without departing from the gist, any person having ordinary knowledge in the field to which the present invention belongs may perform various changes.

Claims (1)

전기 자동차의 냉각 시스템의 냉각수 라인(5)에 장착되는 제2라디에이터(13)와, 상기 제2라디에이터(13)에 장착되는 팬(15)과, 배터리(23)의 온도를 감지하는 온도 센서(21)와, 상기 온도 센서(21)로 부터 데이터를 입력받아 릴레이 스위치(17)의 온/오프를 제어하므로서 팬(15)을 구동시키는 구동전압의 인가 여부를 컨트롤하는 제어기(19)로 구성되는 것을 특징으로 하는 전기 자동차의 배터리 예열 장치.A second radiator 13 mounted on the coolant line 5 of the cooling system of the electric vehicle, a fan 15 mounted on the second radiator 13, and a temperature sensor sensing a temperature of the battery 23 ( 21 and a controller 19 that receives data from the temperature sensor 21 and controls whether the driving voltage for driving the fan 15 is controlled by controlling the on / off of the relay switch 17. Battery preheating device of an electric vehicle, characterized in that.
KR1019960073755A 1996-12-27 1996-12-27 Battery preheater for electric vehicles KR19980054590A (en)

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KR1019960073755A KR19980054590A (en) 1996-12-27 1996-12-27 Battery preheater for electric vehicles

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KR20190028604A (en) 2017-09-08 2019-03-19 제주대학교 산학협력단 Intergrated heated heating system for interior heating
KR20200050505A (en) 2018-11-01 2020-05-12 제주대학교 산학협력단 Heating and Cooling apparatus for electric vehicle
KR20210082381A (en) 2019-12-24 2021-07-05 제주대학교 산학협력단 Battery thermal management controller and method for electric vehicle using variable flow rate
KR20220081421A (en) 2020-12-08 2022-06-16 (주)씨오알엔 Heating method of battery for starting at low temperature
KR102497338B1 (en) 2022-07-06 2023-02-06 엄태용 Electric vehicle heating structure with increased mileage

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190028603A (en) 2017-09-08 2019-03-19 제주대학교 산학협력단 Intergrated heated heating system for interior heating
KR20190028604A (en) 2017-09-08 2019-03-19 제주대학교 산학협력단 Intergrated heated heating system for interior heating
KR20200050505A (en) 2018-11-01 2020-05-12 제주대학교 산학협력단 Heating and Cooling apparatus for electric vehicle
KR20210082381A (en) 2019-12-24 2021-07-05 제주대학교 산학협력단 Battery thermal management controller and method for electric vehicle using variable flow rate
KR20220081421A (en) 2020-12-08 2022-06-16 (주)씨오알엔 Heating method of battery for starting at low temperature
KR102497338B1 (en) 2022-07-06 2023-02-06 엄태용 Electric vehicle heating structure with increased mileage

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