KR970044476A - Automatic transmission overheat prevention device - Google Patents

Automatic transmission overheat prevention device Download PDF

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Publication number
KR970044476A
KR970044476A KR1019950050422A KR19950050422A KR970044476A KR 970044476 A KR970044476 A KR 970044476A KR 1019950050422 A KR1019950050422 A KR 1019950050422A KR 19950050422 A KR19950050422 A KR 19950050422A KR 970044476 A KR970044476 A KR 970044476A
Authority
KR
South Korea
Prior art keywords
automatic transmission
oil temperature
control unit
temperature
cooling fan
Prior art date
Application number
KR1019950050422A
Other languages
Korean (ko)
Other versions
KR100231576B1 (en
Inventor
이원배
Original Assignee
한승준
기아자동차 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 한승준, 기아자동차 주식회사 filed Critical 한승준
Priority to KR1019950050422A priority Critical patent/KR100231576B1/en
Publication of KR970044476A publication Critical patent/KR970044476A/en
Application granted granted Critical
Publication of KR100231576B1 publication Critical patent/KR100231576B1/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
    • F01P7/02—Controlling of coolant flow the coolant being cooling-air
    • F01P7/026—Thermostatic control
    • 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
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/14—Indicating devices; Other safety devices
    • F01P11/16—Indicating devices; Other safety devices concerning coolant 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
    • F01P2025/00—Measuring
    • F01P2025/08—Temperature
    • F01P2025/40—Oil 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
    • F01P2031/00—Fail safe
    • F01P2031/22—Fail safe using warning lamps
    • 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
    • F01P2060/04—Lubricant cooler
    • F01P2060/045—Lubricant cooler for transmissions
    • 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
    • F01P2070/10—Details using electrical or electromechanical means

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Details Of Gearings (AREA)

Abstract

본 발명은 자동변속기 오일의 온도 상승을 방지하기 위한 것으로, 특히 자동변속기 오일온도를 검출하여 상기 자동변속기 오일온도가 규정온도 이상인 경우에는 냉각장치 중 냉각팬을 작동시키는 동시에 현재의 자동변속기 모드를 가속성능이 작은 모드로 변환시켜서 자동변속기 오일의 냉각효과를 증대시켜서 자동변속기 오일온도가 규정온도 이상으로 상승되는 것을 방지함으로 자동변속기를 보호하기 위한 것으로, 라디에이터(3)에서 배출되는 냉각수온도가 소정의 제한수온(T1) 이상인 경우 전동모터(4)를 회전시켜서 냉각팬(5)을 작동시키는 엔진제어부(10)와, 변속형태가 서로 상이한 변속모드를 선택하기 위해 사용자가 조작하는 자동변속기 모드스위치(SW1) 및 변속단을 선택하기 위해 사용자가 조작하는 변속기 레버 위치 스위치(SW2)로부터의 사용자 입력에 따라 변속기를 제어하는 자동변속기 제어부(20)에 있어서, 라디에이터(3)를 통과한 자동변속기 오일온도를 검출하는 오일온도센서(30)를 추가하여 구성되며, 상기 자동변속기 제어부(20)는 상기 오일온도센서(30)로부터 입력되는 자동변속기 오일온도가 소정의 제한유온(T2) 이상으로 상승되면(오일온도≥T2), 상기 자동변속기 모드스위치(SW1)로부터 입력된 자동변속기 모드를 가속성능이 낮은 자동변속기 모드로 강제변환시키고 상기 엔진제어부(10)에 냉각팬 작동신호(S)를 출력하고, 또한 상기 소정의 제한유온(T2) 이상으로 상승된 오일온도가 소정의 제한유온(T2) 보다 낮아지면 자동변속기 모드스위치(SW1)로부터 입력된 자동변속기 모드에 따라 변속기를 제어하고 상기 냉각팬 작동신호(S)의 출력을 정지시키며, 상기 엔진제어부(10)는 냉각수온이 소정의 제한수온(T1) 이상인 동안 또는 상기 자동변속기 제어부(20)로부터 냉각팬 작동신호(S)가 인가되는 동안 전동모터(4)를 작동시켜서 냉각팬(5)을 회전시키는 것을 특징으로 하는 자동변속기 과열방지장치이다.The present invention is to prevent the temperature rise of the automatic transmission oil, in particular, when the automatic transmission oil temperature is detected and the automatic transmission oil temperature is higher than the prescribed temperature, while operating the cooling fan of the cooling system at the same time accelerates the current automatic transmission mode It is to protect the automatic transmission by preventing the automatic transmission oil temperature from rising above the prescribed temperature by increasing the cooling effect of the automatic transmission oil by converting the mode to a small performance mode, and the cooling water temperature discharged from the radiator 3 is predetermined. The engine control unit 10 for operating the cooling fan 5 by rotating the electric motor 4 when the water temperature exceeds the limit temperature T 1 , and the automatic transmission mode switch operated by the user to select a shift mode having a different shift type. from the transmission lever position switch (SW 2) that the user operates to select the (SW 1) and a speed change stage In the automatic transmission control unit 20 for controlling the transmission in accordance with the user input, it is configured by adding an oil temperature sensor 30 for detecting the oil temperature of the automatic transmission passing through the radiator 3, the automatic transmission control unit 20 When the automatic transmission oil temperature input from the oil temperature sensor 30 rises above a predetermined limit oil temperature (T 2 ) (oil temperature ≥ T 2 ), the automatic transmission input from the automatic transmission mode switch SW 1 Forcibly converts the mode to the automatic transmission mode with low acceleration performance, outputs a cooling fan operation signal S to the engine control unit 10, and increases the oil temperature higher than the predetermined limit oil temperature T 2 by a predetermined amount. When lower than the limiting oil temperature T 2 , the transmission is controlled according to the automatic transmission mode input from the automatic transmission mode switch SW 1 , and the output of the cooling fan operation signal S is stopped, and the engine control unit 1 0) operates the electric motor 4 while the cooling water temperature is higher than the predetermined limit water temperature T 1 or while the cooling fan operation signal S is applied from the automatic transmission control unit 20 to operate the cooling fan 5. Automatic transmission overheating prevention device, characterized in that for rotating.

Description

자동변속기 과열방지장치Automatic transmission overheat prevention device

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 종래 자동차의 냉각장치를 나타낸 구성도.1 is a block diagram showing a cooling apparatus of a conventional vehicle.

제2도는 종래 자동변속기를 장착한 차량의 냉각장치를 나타낸 블록도.2 is a block diagram showing a cooling apparatus of a vehicle equipped with a conventional automatic transmission.

제3도는 본 발명 자동변속기 과열방지장치의 구성을 나타낸 블록도.Figure 3 is a block diagram showing the configuration of the automatic transmission overheating prevention device of the present invention.

Claims (3)

라디에이터에서 배출되는 냉각수온도가 소정의 제한수온 이상인 경우 전동모터를 회전시켜서 냉각팬을 작동시키는 엔진제어부와, 변속형태가 서로 상이한 변속모드를 선택하기 위해 사용자가 조작하는 자동변속기 모드스위치 및 변속단을 선택하기 위해 사용자가 조작하는 변속기 레버 위치 스위치로부터의 사용자 입력에 따라 변속기를 제어하는 자동변속기 제어부에 있어서, 라디에이터를 통과한 자동변속기 오일의 온도를 검출하는 오일온도센서를 추가하여 구성되며, 상기 자동변속기 제어부는 상기 오일온도센서로부터 입력되는 자동변속기 오일온도가 소정의 제한유온 이상으로 상승되면, 상기 자동변속기 모드스위치로부터 입력된 자동변속기 모드를 가속성능이 낮은 자동변속기 모드로 강제변환시키고 상기 엔진제어부에 냉각팬 작동신호를 출력하고, 또한 상기 소정의 제한유온 이상으로 상승된 오일온도가 소정의 제한유온 보다 낮아지면 자동변속기 모드스위치로부터 입력된 자동변속기 모드에 따라 변속기를 제어하고 상기 냉각팬 작동신호의 출력을 정지시키며, 상기 엔진제어부는 냉각수온이 소정의 제한수온 이상인 동안 또는 상기 자동변속기 제어부로부터 냉각팬 작동신호가 인가되는 동안 전동모터를 작동시켜서 냉각팬을 회전시키는 것을 특징으로 하는 자동변속기 과열방지장치.When the coolant temperature discharged from the radiator is higher than the predetermined limit water temperature, the engine control unit which operates the cooling fan by rotating the electric motor, and the automatic transmission mode switch and the gear stage operated by the user to select a shift mode having different shift types. An automatic transmission control unit for controlling a transmission in accordance with a user input from a transmission lever position switch operated by a user for selecting, the automatic transmission control unit comprising an oil temperature sensor detecting a temperature of an automatic transmission oil passing through a radiator. The transmission control unit forcibly converts the automatic transmission mode inputted from the automatic transmission mode switch to the automatic transmission mode having low acceleration performance when the automatic transmission oil temperature input from the oil temperature sensor rises above a predetermined limit oil temperature. Cooling fan operation signal Outputs the oil temperature higher than the predetermined limiting oil temperature and lowers the predetermined limiting oil temperature to control the transmission according to the automatic transmission mode inputted from the automatic transmission mode switch, and stops output of the cooling fan operation signal. And the engine controller rotates the cooling fan by operating the electric motor while the cooling water temperature is higher than a predetermined limit water temperature or while the cooling fan operation signal is applied from the automatic transmission control unit. 제1항에 있어서, 상기 자동변속기 제어부는 자동변속기 오일온도가 소정의 제한유온 이상으로 상승되면 메모리에 자동변속기 오일온도가 과열상태임을 저장하고, 또한 상기 소정의 제한유온 이상으로 상승된 오일온도가 소정의 제한유온 보다 낮아지면 자동변속기 오일온도가 정상상태임을 저장하는 것을 특징으로 하는 자동변속기 과열방지장치.The automatic transmission control unit of claim 1, wherein the automatic transmission control unit stores that the automatic transmission oil temperature is in an overheated state in the memory when the automatic transmission oil temperature rises above a predetermined limit oil temperature, and further increases the oil temperature that rises above the predetermined limit oil temperature. Automatic transmission overheat prevention device, characterized in that when the lower than the predetermined limit oil temperature stores the automatic transmission oil temperature. 제1항에 있어서, 상기 자동변속기 제어부는 자동변속기 오일온도가 소정의 제한유온 이상으로 과열상태에 있는 동안 계기판 내의 설치되는 홀드표시등을 작동시켜서 사용자에게 자동변속기의 자기고장진단으로 인해 안전주행중임을 알리는 것을 특징으로 하는 자동변속기 과열방지장치.The automatic transmission control unit according to claim 1, wherein the automatic transmission control unit operates a hold indicator installed in the instrument panel while the automatic transmission oil temperature is overheated above a predetermined limit oil temperature, thereby informing the user of the safety driving due to the self-diagnosis of the automatic transmission. Automatic transmission overheating prevention device characterized in that.
KR1019950050422A 1995-12-15 1995-12-15 Apparatus of overheat prevention for auto transmission KR100231576B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950050422A KR100231576B1 (en) 1995-12-15 1995-12-15 Apparatus of overheat prevention for auto transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950050422A KR100231576B1 (en) 1995-12-15 1995-12-15 Apparatus of overheat prevention for auto transmission

Publications (2)

Publication Number Publication Date
KR970044476A true KR970044476A (en) 1997-07-26
KR100231576B1 KR100231576B1 (en) 1999-11-15

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KR1019950050422A KR100231576B1 (en) 1995-12-15 1995-12-15 Apparatus of overheat prevention for auto transmission

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100494802B1 (en) * 2002-11-29 2005-06-13 현대자동차주식회사 an apparatus for a prevention of engine overheating in vehicle
KR102222431B1 (en) * 2019-12-13 2021-03-03 주식회사 현대케피코 Cooling Method And Cooling System In Case Of High Temperature Of Vehicle Coolant

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100494802B1 (en) * 2002-11-29 2005-06-13 현대자동차주식회사 an apparatus for a prevention of engine overheating in vehicle
KR102222431B1 (en) * 2019-12-13 2021-03-03 주식회사 현대케피코 Cooling Method And Cooling System In Case Of High Temperature Of Vehicle Coolant
US11149626B2 (en) 2019-12-13 2021-10-19 Hyundai Kefico Corporation Method of cooling high temperature vehicle coolant

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Publication number Publication date
KR100231576B1 (en) 1999-11-15

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