KR100613721B1 - Ptc heater control method for diesel car - Google Patents

Ptc heater control method for diesel car Download PDF

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Publication number
KR100613721B1
KR100613721B1 KR1020050068442A KR20050068442A KR100613721B1 KR 100613721 B1 KR100613721 B1 KR 100613721B1 KR 1020050068442 A KR1020050068442 A KR 1020050068442A KR 20050068442 A KR20050068442 A KR 20050068442A KR 100613721 B1 KR100613721 B1 KR 100613721B1
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South Korea
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ptc heater
relays
engine
cooling water
water temperature
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KR1020050068442A
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Korean (ko)
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이명길
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현대모비스 주식회사
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
    • B60H1/2215—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters
    • B60H1/2218—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters controlling the operation of electric heaters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00421—Driving arrangements for parts of a vehicle air-conditioning
    • B60H1/00428—Driving arrangements for parts of a vehicle air-conditioning electric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
    • B60H1/00764—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models the input being a vehicle driving condition, e.g. speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
    • B60H1/00807—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models the input being a specific way of measuring or calculating an air or coolant temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/02—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant
    • B60H1/03—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant and from a source other than the propulsion plant
    • B60H1/034—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant and from a source other than the propulsion plant from the cooling liquid of the propulsion plant and from an electric heating device
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/18—Arrangement or mounting of grates or heating means
    • F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
    • F24H9/1863—Arrangement or mounting of electric heating means
    • F24H9/1872—PTC
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00007—Combined heating, ventilating, or cooling devices
    • B60H1/00021—Air flow details of HVAC devices
    • B60H2001/00114—Heating or cooling details
    • B60H2001/00128—Electric heaters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
    • B60H2001/2228—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant controlling the operation of heaters
    • 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
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses

Abstract

본 발명은 PTC 히터로의 전력 공급을 제어하기 위해 냉각수온에 따라 릴레이를 유동적으로 제어하는 디젤 차량의 PTC 히터 제어 방법에 관한 것으로서, 엔진 공회전 상태인 지를 판단하여 엔진 공회전 상태이면, PTC 히터를 구동시키기 위한 조건에 만족하는 지를 판단하는 제1단계, PTC 히터를 구동시키기 위한 조건이 만족하면, PTC 히터 각각에 전원이 공급되도록 제1,2,3릴레이(RY1,RY2,RY3)를 온시키는 제2단계, PTC 히터가 구동하면, 엔진 rpm을 보상하여 엔진 출력을 상승시키는 제3단계, 및 엔진 출력이 상승하면, 냉각수온을 감지 및 판단하여 상기 냉각수온에 따라 제1,2,3릴레이(RY1,RY2,RY3)를 개별적으로 온 또는 오프시키는 제4단계를 포함하여 이루어진다.The present invention relates to a PTC heater control method for a diesel vehicle that fluidly controls a relay according to cooling water temperature in order to control the power supply to the PTC heater, and determines whether the engine is idle, and if the engine is idle, driving the PTC heater. A first step of determining whether the conditions for driving the PTC heaters are satisfied; and if the conditions for driving the PTC heaters are satisfied, the first, second, and third relays RY1, RY2, and RY3 are turned on to supply power to each of the PTC heaters. Step 2, when the PTC heater is driven, a third step of increasing the engine output by compensating the engine rpm, and when the engine output rises, detects and determines the coolant temperature to determine the first, second, and third relays according to the coolant temperature. RY1, RY2, and RY3) are individually turned on or off.

PTC 히터, 디젤 차량, 릴레이, rpm, 엔진 공회전, 배터리, 소비전류 PTC Heaters, Diesel Vehicles, Relays, rpm, Engine Idle, Battery, Current Consumption

Description

디젤 차량의 ＰＴＣ 히터 제어방법{PTC heater control method for diesel car}PTC heater control method for diesel car

도 1 은 일반적인 디젤 차량의 PTC 히터 제어장치의 블럭 구성도.1 is a block diagram of a PTC heater control apparatus of a general diesel vehicle.

도 2, 및 도 3 은 종래의 디젤 차량의 PTC 히터 제어 방법에 따른 PTC 히터 유입전류 파형도.2 and 3 are PTC heater inrush current waveform diagram according to the PTC heater control method of a conventional diesel vehicle.

도 3 은 본 발명에 따른 디젤 차량의 PTC 히터 제어방법을 나타낸 순서도.3 is a flow chart showing a PTC heater control method for a diesel vehicle according to the present invention.

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>

10 : 전자 제어 유니트 30 : PTC 히터10 electronic control unit 30 PTC heater

본 발명은 디젤 차량의 PTC 히터를 제어하는 방법에 관한 것으로서, 더욱 상세하게는 PTC 히터로의 전력공급을 제어하기 위해 냉각수온에 따라 릴레이를 유동적으로 제어하는 디젤 차량의 PTC 히터 제어 방법에 관한 것이다. The present invention relates to a method for controlling a PTC heater of a diesel vehicle, and more particularly, to a PTC heater control method of a diesel vehicle for fluidly controlling a relay according to the coolant temperature in order to control the power supply to the PTC heater. .

일반적으로 직분사 디젤 엔진이 장착된 차량은 히터 열원의 부족으로 플러그 히터나 PTC 히터를 적용하고 있다. In general, a vehicle equipped with a direct injection diesel engine uses a plug heater or a PTC heater due to a lack of a heater heat source.

도 1 은 일반적인 디젤 차량의 PTC 히터 제어장치를 나타낸 블럭 구성도이다.1 is a block diagram showing a PTC heater control apparatus for a general diesel vehicle.

디젤 차량의 PTC 히터 제어장치는 차량의 각종 전장품을 전반적으로 제어하는 전자 제어 유니트(Electronic Control Unit)(10)와, 후술한 릴레이(RY1,RY2,RY3)를 통해 공급되는 전력에 따라 직접적으로 공기를 가열하는 PTC 히터(30), 및 상기한 전자 제어 유니트(10)로부터 출력되는 제어신호에 따라 PTC 히터(30)로 공급되는 전력을 제어하는 복수 개의 릴레이(RY1,RY2,RY3)를 구비한다.The PTC heater control device of a diesel vehicle directly controls the air according to the electric power supplied through the electronic control unit 10 for controlling the various electrical components of the vehicle and the relays RY1, RY2, and RY3 described below. PTC heater (30) for heating the heater, and a plurality of relays (RY1, RY2, RY3) for controlling the power supplied to the PTC heater (30) in accordance with the control signal output from the electronic control unit (10). .

이러한 디젤 차량의 PTC 히터 제어장치의 동작 과정은 전자 제어 유니트(10)가 상기한 릴레이(RY1,RY2,RY3)를 제어하여 PTC 히터(30)의 구동을 제어하는 데, 이는 릴레이(RY1,RY2,RY3)를 일정한 시간 간격을 두고 차례로 온시키는 것이었다. In the operation process of the PTC heater control device of the diesel vehicle, the electronic control unit 10 controls the relays RY1, RY2 and RY3 described above to control the driving of the PTC heater 30, which is a relay RY1 and RY2. , RY3) was turned on at regular intervals.

이를 통해, 도 2 에 도시된 바와 같이 초기 인입전류를 감소시킴과 더불어 소비 전력량이 급격히 변화되지 않도록 함으로써, 차량의 전기적인 쇼크를 방지할 수 있었다. As a result, as shown in FIG. 2, the initial draw current is reduced and the power consumption is not changed drastically, thereby preventing electric shock of the vehicle.

이러한 구동 방법은 복수개의 PTC 히터(30)를 일제히 온시킬 경우 PTC 히터(30)에 흐르는 초기 인입전류가 도 3 에 도시된 바와 같이 급격히 상승하게 되어 전기적인 부하가 상승하는 문제점을 해결한 것이다.This driving method solves the problem that when the plurality of PTC heaters 30 are simultaneously turned on, the initial draw current flowing through the PTC heaters 30 rapidly rises as shown in FIG.

그러나, 상기한 디젤 차량의 PTC 히터 제어방법은 결과적으로 소비전류가 지나치게 크고, 이에 따라 디젤 차량에서의 배터리 충전 부족에 의한 강제 PTC 히터 온/오프 현상이 발생하게 되는 문제점이 있었다. However, the PTC heater control method of the diesel vehicle has a problem in that the current consumption is excessively large, and thus a forced PTC heater on / off phenomenon occurs due to insufficient battery charging in the diesel vehicle.

본 발명은 전술한 문제점을 해결하기 위해 안출된 것으로서, PTC 히터로의 전력 공급을 제어하기 위해 냉각수온에 따라 릴레이를 유동적으로 제어하는 디젤 차량의 PTC 히터 제어 방법을 제공하는 데 그 목적이 있다. SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problem, and an object thereof is to provide a PTC heater control method of a diesel vehicle that fluidly controls a relay according to cooling water temperature in order to control power supply to a PTC heater.

본 발명의 다른 목적은 냉각수온에 따라서 전력 공급을 제어하여 배터리의 충방전을 효율적으로 운용하고, PTC 히터의 조기 오프에 따른 차량의 전기적인 부하를 감소시키는 데 있다. Another object of the present invention is to control the power supply in accordance with the cooling water temperature to efficiently operate the charging and discharging of the battery, and to reduce the electrical load of the vehicle due to the early off of the PTC heater.

전술한 목적을 달성하기 위해 안출된 본 발명의 구성은 다음과 같다. 본 발명은 엔진 공회전 상태인 지를 판단하여 엔진 공회전 상태이면, PTC 히터를 구동시키기 위한 조건에 만족하는 지를 판단하는 제1단계, PTC 히터를 구동시키기 위한 조건이 만족하면, PTC 히터 각각에 전원이 공급되도록 제1,2,3릴레이(RY1,RY2,RY3)를 온시키는 제2단계, PTC 히터가 구동하면, 엔진 rpm을 보상하여 엔진 출력을 상승시키는 제3단계, 및 엔진 출력이 상승하면, 냉각수온을 감지 및 판단하여 상기 냉각수온에 따라 제1,2,3릴레이(RY1,RY2,RY3)를 개별적으로 온 또는 오프시키는 제4단계를 포함하여 이루어진다.The configuration of the present invention devised to achieve the above object is as follows. According to the present invention, if the engine idle state is determined and the engine idle state is determined, the first step of determining whether the condition for driving the PTC heater is satisfied, and if the conditions for driving the PTC heater are satisfied, power is supplied to each of the PTC heaters. A second step of turning on the first, second, and third relays (RY1, RY2, RY3) as much as possible; a third step of compensating the engine rpm to increase the engine output when the PTC heater is driven; And a fourth step of individually detecting or determining the ON to individually turn on or off the first, second, and third relays (RY1, RY2, and RY3) according to the cooling water temperature.

여기서, 상기한 제3단계는 엔진 rpm을 150~200rpm 상승시키는 것을 특징으로 한다.Here, the third step is characterized in that to increase the engine rpm 150 ~ 200rpm.

또한, 상기한 제4단계는 냉각수온이 55℃ 이상이고 60℃ 미만이면 제1릴레이(RY1)를 오프시키고, 냉각수온이 60℃ 이상이고 65℃ 미만이면 상기 제1,2릴레이(RY1,RY2)를 오프시키며, 냉각수온이 65℃ 이상이 되면, 제1,2,3릴레이(RY1,RY2,RY3)를 오프시키는 것을 특징으로 한다.In addition, in the fourth step, when the cooling water temperature is 55 ° C. or higher and less than 60 ° C., the first relay RY1 is turned off. When the cooling water temperature is 60 ° C. or higher and less than 65 ° C., the first and second relays RY 1 and RY 2 are used. ), And when the cooling water temperature is 65 ° C. or higher, the first, second, and third relays (RY1, RY2, and RY3) are turned off.

한편, 상기한 제4단계는 냉각수온이 50℃ 이하인 경우에는 제1,2,3릴레이(RY1,RY2,RY3)를 온시키는 것을 특징으로 한다.On the other hand, the fourth step is characterized in that the first, second, third relays (RY1, RY2, RY3) is turned on when the cooling water temperature is 50 ℃ or less.

또한, 상기 제2단계는 상기 제1,2,3릴레이(RY1,RY2,RY3)를 일정한 시간 간격을 두고 순차적으로 온시키는 데, 10초의 시간 간격을 두고 순차적으로 온되는 것을 특징으로 한다.In the second step, the first, second, and third relays RY1, RY2, and RY3 are sequentially turned on at a predetermined time interval, and are sequentially turned on at a time interval of 10 seconds.

이하에서는 본 발명의 바람직한 실시예를 첨부된 도면을 참조하여 상세하게 설명한다.Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be described in detail.

도 3 은 본 발명에 따른 디젤 차량의 PTC 히터 제어방법을 나타낸 순서도이 다.3 is a flowchart illustrating a PTC heater control method of a diesel vehicle according to the present invention.

본 발명에 따른 디젤 차량의 PTC 히터 제어방법은 최초, 엔진 공회전 상태(IDLE)(S10)에서 PTC 히터(30)을 온시키는 조건 즉, 제1,2,3릴레이(RY1,RY2,RY3)를 온시키는 조건이 만족하는 지를 판단(S20)하는데, 이는 하기의 표 1 에 나타난 바와 같은 각 조건에 만족하는 지를 판단하는 것이다. The PTC heater control method of the diesel vehicle according to the present invention is first, the conditions for turning on the PTC heater 30 in the engine idle state (IDLE) (S10), that is, the first, second, third relays (RY1, RY2, RY3) It is determined whether the conditions for turning on are satisfied (S20), which determines whether the respective conditions as shown in Table 1 below are satisfied.

PTC 히터 온/오프 제어표PTC Heater On / Off Control Table PTC 히터PTC heater 블로워Blower 온On 엔진 rpmEngine rpm 550 이상: 온 500 이하 :오프550 or more: On 500 or less: Off 작동 딜레이Working delay 10초10 sec 외기온Outside temperature 5℃ 이하5 ℃ or less 냉각수온(T)Cooling water temperature (T) 5℃ 이하 : 온 65℃ 이상 : 오프5 ℃ or less: ON 65 ℃ or more: OFF 배터리 전압Battery voltage 10.5V 이상 : 온 8V 이하 : 오프10.5V or more: ON 8V or less: OFF 에어컨air conditioner

참고로, 상기한 PTC 히터 온/오프 제어표는 여기에 기재된 각 조건에 한정되지 않고, 차종에 따라 다양하게 적용될 수 있다. 따라서, 본 PTC 히터 온/오프 제어표는 어느 한 차종에 대한 일 예로 나타낸 것이다.For reference, the PTC heater on / off control table is not limited to each condition described herein, and may be variously applied according to the vehicle model. Therefore, the PTC heater on / off control table is shown as an example for any one vehicle type.

한편, 엔진 공회전시 PTC 히터를 온시키는 조건은 표 1 에 나타난 바와 같이, 엔진 출력이 550rpm 이상이고, 냉각수온(T)이 5℃ 이하이며, 배터리 전압이 10.5V 이상이 되면 PTC 히터(30)을 구동시키기 위해 제1,2,3릴레이(RY1,RY2,RY3)를 온(S30)시킨다. On the other hand, as shown in Table 1, the conditions for turning on the PTC heater during engine idling are the PTC heater 30 when the engine output is 550 rpm or more, the cooling water temperature T is 5 ° C or less, and the battery voltage is 10.5V or more. The first, second, and third relays RY1, RY2, and RY3 are turned on (S30) to drive the same.

아울러, 릴레이(RY1,RY2,RY3)는 10초간의 간격을 두고 순차적으로 온되는데, 이는 제1,2,3릴레이(RY1,RY2,RY3)의 온에 따른 PTC 히터(30)의 구동시 차량에 발생될 수 있는 전기적인 부하를 감소시키기 위함이다.In addition, the relays RY1, RY2, and RY3 are sequentially turned on at intervals of 10 seconds, which is when the PTC heater 30 is driven when the first, second, and third relays RY1, RY2, and RY3 are turned on. This is to reduce the electrical load that can be generated.

이와 같이, 엔진 공회전시 엔진 rpm과, 냉각수온(T), 및 배터리 전압이 각 설정된 조건에 만족하여 각 제1,2,3릴레이(RY1,RY2,RY3)를 온시키면, 엔진 rpm을 보상(S40)하는 과정을 수행한다. In this manner, when the engine rpm, the coolant temperature T, and the battery voltage satisfy each set condition at the engine idle, the first, second, and third relays RY1, RY2, and RY3 are turned on to compensate for the engine rpm. S40) to perform the process.

즉, 전자 제어 유니트(10)은 엔진(도시되지 않음)을 제어하여 PTC 히터(30)의 구동시 엔진 rpm을 150~200rpm정도 상승시키면, 엔진 출력이 상승하게 되고, 조기에 냉각수온(T) 및 실내온도가 상승하므로 엔진 효율 및 실내 히터의 난방성능에 효율적이 된다.That is, when the electronic control unit 10 controls the engine (not shown) to increase the engine rpm by 150 to 200 rpm when the PTC heater 30 is driven, the engine output is increased, and the cooling water temperature T early. And since the room temperature rises, it becomes efficient in the engine efficiency and the heating performance of the indoor heater.

상기한 바와 같이, 엔진 rpm을 보상하여 PTC 히터를 구동시킨 후에는, 냉각수온(T)을 감지 및 판단(S50)하는 데, 이는 냉각수온(T)을 통해 릴레이(RY1,RY2,RY3)를 개별적으로 제어하기 위함이다.As described above, after driving the PTC heater by compensating the engine rpm, the cooling water temperature T is sensed and determined (S50), which relays the relays RY1, RY2, and RY3 through the cooling water temperature T. For individual control.

즉, 모든 보호히터(30)가 구동한 후, 냉각수온(T)이 상승하여, 냉각수온(T)이 55℃ 이상이고 60℃ 미만(S60)이 되면 제1릴레이(RY1)를 오프(S65)시키고, 냉각수온(T)이 계속 상승하여 60℃ 이상이고 65℃ 미만(S70)이면 제2릴레이(RY2)를 오프(S75)시키며, 냉각수온(T)이 상승하여 65℃ 이상이 되면, 제3릴레이(RY1,RY2,RY3)를 오프시킨다. 따라서, 냉각수온(T)이 That is, after all the protection heaters 30 are driven, the cooling water temperature T rises, and when the cooling water temperature T is 55 ° C or higher and less than 60 ° C (S60), the first relay RY1 is turned off (S65). If the cooling water temperature (T) continues to rise to 60 ° C. or more and less than 65 ° C. (S70), the second relay RY2 is turned off (S75). When the cooling water temperature T rises to 65 ° C. or more, The third relays RY1, RY2, and RY3 are turned off. Therefore, the cooling water temperature (T)

한편, 냉각수온(T)이 50℃ 이하인 경우에는 제1,2,3릴레이(RY1,RY2,RY3)를 온시키는데, 이는 일정한 시간 간격 예를 들어 10초의 시간 간격을 두고 순차적으로 온시킨다.On the other hand, when the cooling water temperature (T) is 50 ℃ or less, the first, second, and third relays (RY1, RY2, RY3) is turned on, which is sequentially turned on at regular time intervals, for example, at a time interval of 10 seconds.

따라서, 냉각수온(T)을 계속적으로 감지하여 냉각수온(T)이 증가함에 따라 각각의 제1,2,3릴레이(RY1,RY2,RY3)를 개별적으로 제어하고, 제1,2,3릴레이(RY1,RY2,RY3)의 오프에 의해 냉각수온(T)이 하강하여 50℃ 이하가 되면, 다시 제1,2,3릴레이(RY1,RY2,RY3)를 온시킴으로써, 엔진 출력 및 충방전 문제를 최소화시킬 수가 있다.Therefore, the cooling water temperature T is continuously sensed and the first, second, and third relays RY1, RY2, and RY3 are individually controlled as the cooling water temperature T increases, and the first, second, and third relays are individually controlled. When the cooling water temperature (T) falls by turning off (RY1, RY2, RY3) to 50 ° C. or less, the first, second, and third relays (RY1, RY2, RY3) are turned on again, thereby causing engine output and charge / discharge problems. Can be minimized.

본 발명은 전술한 실시예에 국한되지 않고 본 발명의 기술사상이 허용하는 범위 내에서 다양하게 변형하여 실시될 수 있다. The present invention is not limited to the above-described embodiments and can be implemented in various modifications within the scope of the technical idea of the present invention.

이와 같이 구성되는 본 발명에 따르면, PTC 히터로의 전력 공급을 제어하기 위해 냉각수온에 따라 릴레이를 유동적으로 제어하여 배터리의 충방전을 효율적으로 운용할 수 있고, PTC 히터의 조기 오프에 따른 차량의 전기적인 부하를 감소시킬 수 있다. According to the present invention configured as described above, in order to control the power supply to the PTC heater, it is possible to efficiently operate the charging and discharging of the battery by controlling the relay in accordance with the cooling water temperature, the vehicle of the early turn off of the PTC heater The electrical load can be reduced.

Claims (8)

엔진 공회전 상태인 지를 판단하여 엔진 공회전 상태이면, PTC 히터를 구동시키기 위한 조건에 만족하는 지를 판단하는 제1단계;Determining whether the engine is in the idle state, and if the engine is in the idle state, determining whether the condition for driving the PTC heater is satisfied; 상기 PTC 히터를 구동시키기 위한 조건이 만족하면, 상기 PTC 히터 각각에 전원이 공급되도록 제1,2,3릴레이(RY1,RY2,RY3)를 온시키는 제2단계;A second step of turning on first, second, and third relays (RY1, RY2, and RY3) so that power is supplied to each of the PTC heaters when a condition for driving the PTC heater is satisfied; 상기 PTC 히터가 구동하면, 엔진 rpm을 보상하여 엔진 출력을 상승시키는 제3단계; 및A third step of increasing engine output by compensating engine rpm when the PTC heater is driven; And 상기 엔진 출력이 상승하면, 냉각수온을 감지 및 판단하여 상기 냉각수온에 따라 상기 제1,2,3릴레이(RY1,RY2,RY3)를 개별적으로 온 또는 오프시키는 제4단계를 포함하여 이루어지는 디젤 차량의 PTC 히터 제어방법. And a fourth step of detecting and determining the coolant temperature and individually turning on or off the first, second, and third relays RY1, RY2, and RY3 according to the coolant temperature when the engine output rises. PTC heater control method. 제 1 항에 있어서, 상기 제3단계는 상기 엔진 rpm을 150~200rpm 상승시키는 것을 특징으로 하는 디젤 차량의 PTC 히터 제어방법.According to claim 1, wherein the third step PTC heater control method for a diesel vehicle, characterized in that to increase the engine rpm 150 ~ 200rpm. 제 1 항에 있어서, 상기 제4단계는 상기 냉각수온이 냉각수온이 55℃ 이상이고 60℃ 미만이면 상기 제1릴레이(RY1)를 오프시키는 것을 특징으로 하는 디젤 차량의 PTC 히터 제어방법. The method according to claim 1, wherein the fourth step turns off the first relay (RY1) when the cooling water temperature is 55 ° C or higher and less than 60 ° C. 제 3항에 있어서, 상기 제4단계는 상기 냉각수온이 60℃ 이상이고 65℃ 미만이면 상기 제2릴레이(RY2)를 오프시키는 것을 특징으로 하는 디젤 차량의 PTC 히터 제어방법. 4. The method according to claim 3, wherein the fourth step turns off the second relay (RY2) when the cooling water temperature is 60 ° C or higher and less than 65 ° C. 제 5 항에 있어서, 상기 제4단계는 상기 냉각수온이 65℃ 이상이 되면, 제3릴레이(RY3)를 오프시키는 것을 특징으로 하는 디젤 차량의 PTC 히터 제어방법. 6. The method of claim 5, wherein the fourth step turns off the third relay (RY3) when the cooling water temperature reaches 65 ° C or higher. 제 1 항에 있어서, 상기 제4단계는 냉각수온이 50℃ 이하인 경우에는 상기 제1,2,3릴레이(RY1,RY2,RY3) 온시키는 것을 특징으로 하는 디젤 차량의 PTC 히터 제어방법. The method as claimed in claim 1, wherein the fourth step turns on the first, second, and third relays (RY1, RY2, RY3) when the cooling water temperature is 50 ° C or lower. 제 6 항에 있어서, 상기 제4단계는 상기 제1,2,3릴레이(RY1,RY2,RY3)를 일정한 시간 간격을 두고 순차적으로 온시키는 것을 특징으로 하는 디젤 차량의 PTC 히터 제어방법.7. The method of claim 6, wherein the fourth step sequentially turns on the first, second, and third relays (RY1, RY2, RY3) at regular time intervals. 제 7 항에 있어서, 상기 제1,2,3릴레이(RY1,RY2,RY3)는 10초의 시간 간격으로 온되는 것을 특징으로 하는 디젤 차량의 PTC 히터 제어방법.8. The method of claim 7, wherein the first, second, and third relays (RY1, RY2, RY3) are turned on at a time interval of 10 seconds.
KR1020050068442A 2005-07-27 2005-07-27 Ptc heater control method for diesel car KR100613721B1 (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040003250A (en) * 2002-07-02 2004-01-13 기아자동차주식회사 Auxiliary Heater Controlling Device of Diesel Automobiles
KR20060033537A (en) * 2004-10-15 2006-04-19 현대모비스 주식회사 Method for controlling assist heater for automobile

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040003250A (en) * 2002-07-02 2004-01-13 기아자동차주식회사 Auxiliary Heater Controlling Device of Diesel Automobiles
KR20060033537A (en) * 2004-10-15 2006-04-19 현대모비스 주식회사 Method for controlling assist heater for automobile

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