KR20010097862A - a coolant heating apparatus of a vehicle - Google Patents

a coolant heating apparatus of a vehicle Download PDF

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Publication number
KR20010097862A
KR20010097862A KR1020000022275A KR20000022275A KR20010097862A KR 20010097862 A KR20010097862 A KR 20010097862A KR 1020000022275 A KR1020000022275 A KR 1020000022275A KR 20000022275 A KR20000022275 A KR 20000022275A KR 20010097862 A KR20010097862 A KR 20010097862A
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KR
South Korea
Prior art keywords
cooling water
coolant
heater
engine
vehicle
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KR1020000022275A
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Korean (ko)
Inventor
장헌섭
Original Assignee
류정열
기아자동차주식회사
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Priority to KR1020000022275A priority Critical patent/KR20010097862A/en
Publication of KR20010097862A publication Critical patent/KR20010097862A/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P7/00—Controlling of coolant flow
    • F01P7/14—Controlling of coolant flow the coolant being liquid
    • F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
    • 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
    • B60H1/04—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant from cooling liquid of the plant
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P7/00—Controlling of coolant flow
    • F01P7/14—Controlling of coolant flow the coolant being liquid
    • F01P2007/146—Controlling of coolant flow the coolant being liquid using valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2025/00—Measuring
    • F01P2025/08—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2060/00—Cooling circuits using auxiliaries
    • F01P2060/18—Heater
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2070/00—Details
    • F01P2070/04—Details using electrical heating elements

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

본 발명은 자동차의 냉각수 가열장치에 관한 것으로, 엔진(1)의 냉각수 순환계중 실내히터(6)쪽으로 흐르는 냉각수라인(5)에 냉각수히터(9)와 순환펌프(10)가 설치되고, 이 냉각수히터(9)와 순환펌프(10)는 외부전원(14)으로부터 전력을 공급받는 구조로 이루어져, 혹한지에서도 보다 신속하게 냉각수를 가열할 수 있게 됨으로써 엔진의 냉간시동성이 향상된다.The present invention relates to a cooling water heater of an automobile, wherein a cooling water heater (9) and a circulation pump (10) are installed in a cooling water line (5) flowing toward an indoor heater (6) in a cooling water circulation system of an engine (1). The heater 9 and the circulation pump 10 are configured to receive electric power from the external power source 14, so that the coolant can be heated more quickly even in cold weather, thereby improving cold startability of the engine.

Description

자동차의 냉각수 가열장치{a coolant heating apparatus of a vehicle}Coolant heating apparatus of a vehicle

본 발명은 자동차의 냉각수 가열장치에 관한 것으로, 혹한시에 보다 신속하게 냉각수를 가열할 수 있게 됨으로써 냉간시동성이 향상되도록 된 자동차의 냉각수 가열장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cooling water heating apparatus for a vehicle, and more particularly to a cooling water heating apparatus for a vehicle in which cold startability is improved by being able to heat the cooling water more quickly.

일반적으로 자동차 엔진의 실린더내 연소가스는 약 2000℃ 이상의 고온으로서 엔진은 운전중에 항상 고열로 가열되어진다. 이와 같이 엔진이 고온으로 가열되면 윤활불량, 노킹, 조기점화 등의 현상이 발생하여 엔진이 손상되고 출력도 급격히 저하된다. 따라서 도 1에 도시된 바와 같이 엔진(1) 전방에 라디에이터(2)와 워터펌프(3)를 설치하고 이들과 하나의 관로를 이루도록 엔진(1)의 외벽에 워터재킷을 형성하여 냉각수를 순환시킴으로써 엔진(1)에서 가열된 냉각수가 상기 라디에이터(2)에서 방열되어 엔진(1)이 냉각되도록 하고 있다. 또한 라디에이터(2) 입구측에 서머스탯(4)을 설치하여 냉각수온이 지나치게 떨어졌을 때에는 냉각수의 흐름을 차단하여 라디에이터(2)쪽으로 흐르지 못하게 함으로써 냉각수 온도를 적절히 유지하도록 되어 있다.(도번 5와 6은 각각 실내난방을 위한 냉각수라인과 이 냉각수라인에 설치되어 냉각수로부터 열을 얻어 온풍을 발생시키는 실내히터를 나타낸다.)Generally, in-cylinder combustion gases of automobile engines have a high temperature of about 2000 ° C. or more, and the engine is always heated to a high temperature during operation. As such, when the engine is heated to a high temperature, phenomena such as poor lubrication, knocking, and premature ignition occur, resulting in damage to the engine and a sudden drop in power. Accordingly, as shown in FIG. 1, the radiator 2 and the water pump 3 are installed in front of the engine 1, and a water jacket is formed on the outer wall of the engine 1 so as to form a single pipeline therewith to circulate the coolant. Cooling water heated in the engine 1 is radiated from the radiator 2 so that the engine 1 is cooled. In addition, the thermostat 4 is installed at the inlet side of the radiator 2 so that when the coolant temperature drops too much, the coolant temperature is blocked and prevented from flowing to the radiator 2 so as to maintain the coolant temperature properly. Denotes a cooling water line for indoor heating and an indoor heater installed in the cooling water line to generate heat from the cooling water to generate warm air.)

한편, 혹한지(-32℃이하의 온도조건)에서는 엔진이 지나치게 냉각되어 있어 연료의 분사, 점화 및 섭동부품(피스톤, 커넥팅로드, 캠 등)의 윤활 등이 원활하게 이루어지지 않으므로 이 또한 초기시동 및 정상운전을 곤란하게 하는 이유가 되는데, 따라서 종래에는 도 1에 도시된 바와 같이 엔진(1)에(정확히는 엔진의 실린더블록의 외벽에 설치된 상기 워터재킷임) 배터리(8)로부터 전력을 공급받아 냉각수를 가열하는 냉각수히터(7)를 설치하여 시동전에 냉각수를 미리 가열할 수 있도록 함으로써 혹한지에서의 엔진시동성을 향상시켰었다.On the other hand, in cold weather (temperature condition below -32 ℃), the engine is cooled too much, so fuel injection, ignition and lubrication of perturbation parts (piston, connecting rod, cam, etc.) are not performed smoothly. And a reason for making it difficult to operate normally. Therefore, as shown in FIG. 1, power is supplied from the battery 8 to the engine 1 (exactly the water jacket installed on the outer wall of the cylinder block of the engine). By installing a coolant heater 7 for heating the coolant so that the coolant can be preheated before starting, the engine startability in cold weather has been improved.

그러나, 상기 냉각수히터(7)는 엔진시동전 유동이 없는 상태에서 단순히 전도에 의해 냉각수를 가열하도록 된 것으로, 냉각수온도를 적정온도(약 27℃)로 상승시키기 까지는 많은 시간이 소요되는 문제점이 있었으며, 이러한 문제점은 혹한지에서 배터리(8)의 효율이 크게 떨어지는 점을 감안한다면 더욱 부각될 수 밖에 없었다.However, the coolant heater (7) is to simply heat the coolant by conduction in the absence of flow before starting the engine, there was a problem that takes a long time to raise the coolant temperature to an appropriate temperature (about 27 ℃). This problem is inevitably more conspicuous in view of the fact that the efficiency of the battery 8 greatly decreases in cold weather.

이에 본 발명은 상기와 같은 문제점을 해결하기 위하여 발명된 것으로, 시동전에도 순환상태에서 냉각수를 가열할 수 있음과 더불어 외부전원을 사용하여 배터리효율저하에도 대응할 수 있게 됨으로써 혹한지에서도 보다 신속하게 냉각수를 가열하여 엔진을 원활히 시동할 수 있도록 된 자동차의 냉각수 가열장치를 제공함에 그 목적이 있다.Accordingly, the present invention has been invented to solve the above problems, it is possible to heat the cooling water in a circulating state even before starting, and also to be able to cope with a decrease in battery efficiency by using an external power supply to coolant even more quickly in cold weather It is an object of the present invention to provide a cooling water heater of a vehicle that is capable of heating the engine smoothly.

도 1은 종래의 냉각수 가열장치가 적용된 냉각수 순환계의 구성도,1 is a configuration diagram of a cooling water circulation system to which a conventional cooling water heating device is applied;

도 2는 본 발명에 따른 냉각수 가열장치가 적용된 냉각수 순환계의 구성도이다.2 is a block diagram of a cooling water circulation system to which a cooling water heating device according to the present invention is applied.

-도면의 주요부분에 대한 부호의 설명-Explanation of symbols on the main parts of the drawing

1 : 엔진, 2 : 라디에이터,1: engine, 2: radiator,

3 : 워터펌프, 4 : 서머스탯,3: water pump, 4: thermostat,

5 : 냉각수라인, 6 : 실내히터,5: cooling water line, 6: indoor heater,

9 : 냉각수히터, 10 : 순환펌프,9: cooling water heater, 10: circulation pump,

11 : 전자밸브, 12 : 수온센서,11: solenoid valve, 12: water temperature sensor,

13 : 콘트롤러, 14 : 외부전원.13 controller, 14 external power.

상기와 같은 목적을 달성하기 위한 본 발명은, 실내히터와 연결되는 냉각수라인상에 냉각수히터와 순환펌프가 설치되고, 이 냉각수히터와 순환펌프는 외부전원에 연결되며, 상기 냉각수히터의 입구전에는 수온센서와 전자밸브가 설치되며, 이 전자밸브와 상기 냉각수히터 및 순환펌프는 콘트롤러에 의해 제어되는 구성으로 이루어져 있다.The present invention for achieving the above object, the cooling water heater and the circulation pump is installed on the cooling water line connected to the indoor heater, the cooling water heater and the circulation pump is connected to an external power source, the water temperature before the inlet of the cooling water heater A sensor and a solenoid valve are installed, and the solenoid valve and the coolant heater and the circulation pump are controlled by a controller.

이하, 본 발명을 첨부된 예시도면을 참조하여 상세히 설명한다.Hereinafter, with reference to the accompanying drawings, the present invention will be described in detail.

도 2는 본 발명에 따른 냉각수 가열장치가 적용된 냉각수 순환계의 구성도로서, 본 발명은 엔진(1)의 앞쪽에 라디에이터(2)가 구비되고 이 라디에이터(2)와 엔진(1)사이를 워터펌프(3)를 통해 냉각수가 순환됨으로써 엔진의 냉각이 이루어지는 한편, 상기 라디에이터(2)를 거치지 않은 가열된 상태의 냉각수가 흐르는 별도의 냉각수라인(5)에 실내히터(6)가 구비되어 차량실내로 온풍을 공급할 수 있도록 된자동차의 냉각수 순환계에 있어서, 상기 냉각수라인(5)에 냉각수히터(9)가 설치되고, 이 냉각수히터(9)의 설치부 이전에(냉각수의 흐름방향을 기준으로) 순환펌프(10)가 설치되며, 이 순환펌프(10)와 상기 냉각수히터(9)는 외부전원(14 ; 가정용 또는 이동식 소형발전기의 110/220V 전원)에 연결할 수 있는 구조로 이루어져 있다.2 is a configuration diagram of a cooling water circulation system to which a cooling water heating device according to the present invention is applied, and the present invention includes a radiator 2 in front of an engine 1 and a water pump between the radiator 2 and the engine 1. The engine is cooled by circulating the coolant through (3), while the indoor heater 6 is provided in a separate coolant line 5 through which the coolant in a heated state without passing through the radiator 2 is provided. In a cooling water circulation system of a vehicle capable of supplying warm air, a cooling water heater (9) is installed in the cooling water line (5) and circulated before the installation portion of the cooling water heater (9) based on the flow direction of the cooling water. A pump 10 is installed, and the circulation pump 10 and the cooling water heater 9 are configured to be connected to an external power source 14 (110 / 220V power source of a home or portable small generator).

또한, 상기 냉각수히터(9)의 입구측에는 전자밸브(11)와 수온센서(12)가 설치되며, 상기 전자밸브(11)와 냉각수히터(9) 및 순환펌프(10)는 이들의 작동을 제어하는 콘트롤러(13)에 연결되어진다.In addition, the solenoid valve 11 and the water temperature sensor 12 are installed at the inlet side of the coolant heater 9, and the solenoid valve 11, the coolant heater 9, and the circulation pump 10 control their operation. Is connected to the controller 13.

따라서, 운전자가 상기 냉각수히터(9)와 순환펌프(10)를 외부전원(14)에 연결하면, 냉각수히터(9)가 발열하고 순환펌프(10)에 의해 냉각수가 순환되는데, 배터리에 비해 전력이 크므로 냉각수히터(9)의 발열량이 많고 냉각수의 순환시 유동에 의해 열전달이 활발히 이루어지므로 냉각수가 보다 신속하게 가열된다.Therefore, when the driver connects the coolant heater 9 and the circulation pump 10 to the external power source 14, the coolant heater 9 generates heat and the coolant is circulated by the circulation pump 10. Because of this large amount of heat generated by the coolant heater 9 and the heat transfer is actively performed by the flow during the circulation of the coolant, the coolant is heated more quickly.

한편, 초기시동시의 냉각수 온도가 지나치게 높을 필요는 없으므로 상기 콘트롤러(13)가 냉각수히터(9)와 순환펌프(10) 및 전자밸브(11)를 제어하여 냉각수온을 약 27∼38℃ 사이로 유지하도록 되어 있는바 즉, 수온센서(12)에서 감지된 냉각수의 수온이 38℃이상이 되면 콘트롤러(13)는 냉각수히터(9)와 순환펌프(10)의 작동을 중지시키고 전자밸브(11)를 닫아 더 이상의 냉각수가열이 이루어지지 않도록 하며(이는 엔진시동전에만 적용되고 엔진이 시동되어 냉각수온이 정상적 운행상태의 온도를 가지게 될 경우에는 적용되지 않음은 물론이다.), 시동전 냉각수온이 27℃이하로 떨어지면 콘트롤러(13)는 다시 전자밸브(11)를 개방시키고 냉각수히터(9)와 순환펌프(10)를 작동시켜 냉각수가 가열되도록 되어 있다.On the other hand, since the coolant temperature does not need to be too high at the initial startup, the controller 13 controls the coolant heater 9, the circulation pump 10, and the solenoid valve 11 to maintain the coolant temperature between about 27 to 38 ° C. In other words, when the water temperature of the coolant detected by the water temperature sensor 12 reaches 38 ° C. or higher, the controller 13 stops the operation of the coolant heater 9 and the circulation pump 10 and turns off the solenoid valve 11. Close to prevent further cooling water heating (this applies only to engine start-up and not to the case where the engine is started and the cooling water temperature has a normal operating temperature). When the temperature falls below 占 폚, the controller 13 again opens the solenoid valve 11 and operates the coolant heater 9 and the circulation pump 10 to heat the coolant.

따라서, 엔진의 시동전에 냉각수의 온도를 신속하게 27℃이상으로 상승시키고, 27℃∼38℃의 범위에서 유지시킬 수 있으므로 혹한지에서도 엔진의 초기시동이 용이하게 이루어지며, 이후의 운전상태도 원활히 유지되는 것이다.Therefore, the temperature of the coolant can be quickly increased to 27 ° C. or higher and maintained in the range of 27 ° C. to 38 ° C. before starting the engine. It is maintained.

이상 설명한 바와 같이 본 발명에 따르면, -32℃이하의 혹한지에서도 자동차 운행전 신속하게 냉각수를 가열해둘 수 있게 됨으로써 엔진의 냉간시동성이 향상되어, 혹한지운행의 편이성이 향상되는 효과가 있다.As described above, according to the present invention, it is possible to heat the coolant quickly before driving a car even in a cold place below -32 ° C, thereby improving the cold startability of the engine and improving the ease of cold running.

Claims (1)

엔진(1)의 앞쪽에 라디에이터(2)와 워터펌프(3)가 구비되어 냉각수 순환라인을 이룸으로써 엔진의 냉각이 이루어지는 한편, 상기 라디에이터(2)를 거치지 않는 냉각수라인(5)에 실내히터(6)가 구비되어 차내로 온풍을 공급할 수 있도록 된 자동차의 냉각수 순환계에 있어서,The radiator 2 and the water pump 3 are provided at the front of the engine 1 to form a coolant circulation line, thereby cooling the engine, and the indoor heater (5) in the coolant line 5 not passing through the radiator 2. 6) is provided in the cooling water circulation system of the vehicle to supply the warm air into the vehicle, 상기 냉각수라인(5)에 외부전원(14)으로부터 전력을 공급받는 냉각수히터(9)와 순환펌프(10)가 설치되고, 이 냉각수히터(9)와 순환펌프(10)의 사이에 전자밸브(11)와 수온센서(12)가 설치되며, 이 수온센서(12)와 전자밸브(11) 및 상기 냉각수히터(9)와 순환펌프(10)는 콘트롤러(13)에 연결되어 엔진시동전에 냉각수의 수온을 일정영역까지 가열후 유지할 수 있도록 된 것을 특징으로 하는 자동차의 냉각수 가열장치.The cooling water heater 9 and the circulation pump 10, which receive electric power from the external power source 14, are installed in the cooling water line 5, and the solenoid valve is disposed between the cooling water heater 9 and the circulation pump 10. 11) and the water temperature sensor 12 is installed, the water temperature sensor 12, the solenoid valve 11, the coolant heater 9 and the circulation pump 10 is connected to the controller (13) of the coolant before starting the engine Cooling water heating device for a vehicle, characterized in that to maintain the water temperature after heating to a certain region.
KR1020000022275A 2000-04-26 2000-04-26 a coolant heating apparatus of a vehicle KR20010097862A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113756928A (en) * 2021-09-29 2021-12-07 广西玉柴机器股份有限公司 Quick vehicle warming device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54115837A (en) * 1978-02-27 1979-09-08 Toyota Motor Corp Heater utilizing coolant of engine
JPH05256133A (en) * 1992-03-16 1993-10-05 Mitsubishi Motors Corp Engine preheating device
KR19980026585A (en) * 1996-10-10 1998-07-15 박병재 Initial heating device for metal hydride tank of hydrogen car
KR19990028342U (en) * 1997-12-26 1999-07-15 양재신 Coolant heating structure of engine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54115837A (en) * 1978-02-27 1979-09-08 Toyota Motor Corp Heater utilizing coolant of engine
JPH05256133A (en) * 1992-03-16 1993-10-05 Mitsubishi Motors Corp Engine preheating device
KR19980026585A (en) * 1996-10-10 1998-07-15 박병재 Initial heating device for metal hydride tank of hydrogen car
KR19990028342U (en) * 1997-12-26 1999-07-15 양재신 Coolant heating structure of engine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113756928A (en) * 2021-09-29 2021-12-07 广西玉柴机器股份有限公司 Quick vehicle warming device
CN113756928B (en) * 2021-09-29 2024-03-26 广西玉柴机器股份有限公司 Quick warm-up device

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