KR19980047766U - Automotive rapid heating - Google Patents

Automotive rapid heating Download PDF

Info

Publication number
KR19980047766U
KR19980047766U KR2019960060923U KR19960060923U KR19980047766U KR 19980047766 U KR19980047766 U KR 19980047766U KR 2019960060923 U KR2019960060923 U KR 2019960060923U KR 19960060923 U KR19960060923 U KR 19960060923U KR 19980047766 U KR19980047766 U KR 19980047766U
Authority
KR
South Korea
Prior art keywords
heating
temperature
air
function
engine
Prior art date
Application number
KR2019960060923U
Other languages
Korean (ko)
Inventor
박인준
Original Assignee
김영환
현대전자산업 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.)
Filing date
Publication date
Application filed by 김영환, 현대전자산업 주식회사 filed Critical 김영환
Priority to KR2019960060923U priority Critical patent/KR19980047766U/en
Publication of KR19980047766U publication Critical patent/KR19980047766U/en

Links

Classifications

    • 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
    • B60H1/00642—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
    • B60H1/00792—Arrangement of detectors
    • 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
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
    • B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
    • 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
    • B60H1/2225—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters arrangements of electric heaters for heating air

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

본 고안은 자동차 난방 장치에 관한 것으로, 특히, 유입되는 공기의 온도를 검출하는 온도센서(10)와; 난방기능, 또는 냉방기능을 선택하는 조작스위치와(30); 공기 유입구에 설치된 발열선(50)과; 상기 발열선(50)에 인가되는 전원 공급을 제어하므로써 발열선(50)의 동작을 제어하는 발열제어부(40)와; 상기 조작스위치(30)로부터 난방기능이 선택되었을 경우, 상기 온도센서(10)를 통해 실내로 송풍되는 난기의 온도를 검출하여, 그 온도가 소정의 값 이하일 경우, 상기 소정의 값이 될 때까지 상기 발열제어부(40)와 발열선(50)을 통해 난방을 시키는 마이컴(20)을 포함하여 구성됨을 특징으로 하는 자동차 급속 난방장치이다.The present invention relates to a car heating apparatus, and in particular, the temperature sensor 10 for detecting the temperature of the incoming air; An operation switch 30 for selecting a heating function or a cooling function; A heating wire 50 installed at the air inlet; A heating control unit 40 for controlling the operation of the heating line 50 by controlling the power supply applied to the heating line 50; When the heating function is selected from the operation switch 30, the temperature of the warm air blown into the room through the temperature sensor 10 is detected, and when the temperature is less than or equal to a predetermined value, until the predetermined value is reached. It is a rapid heating device for cars characterized in that it comprises a microcomputer 20 for heating through the heating control unit 40 and the heating line 50.

이러한 본 고안은, 난방기능 수행시, 엔진의 온도가 상승되어 엔진열에 의한 온풍이 공급되기 전까지 상기 발열선을 통해 난방기능을 수행하므로 인해, 급속한 난방을 실행할 수 있게 되는 효과가 있는 것이다.The present invention, when the heating function is performed, since the heating function is performed through the heating line until the temperature of the engine is increased to supply the warm air by the engine heat, it is possible to effect rapid heating.

Description

자동차 급속 난방장치Automotive rapid heating

제 1 도는 자동차 냉/난기의 통풍계통을 나타낸 투시도,1 is a perspective view showing the ventilation system of the automotive cold / warm air,

제 2 도는 자동차 냉/난기의 통풍경로를 나타낸 도면,2 is a view showing the ventilation path of the cold / warm vehicle,

제 3 도는 본 고안 자동차 급속 난방장치의 구성을 나타낸 블럭도,3 is a block diagram showing the configuration of the present invention rapid heating device,

제 4 도는 본 고안 자동차 급속 난방장치중 온도센서와 발열선의 설치위치를 나타낸 도면.4 is a view showing the installation position of the temperature sensor and the heating wire of the rapid heating device of the present invention.

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

10 : 온도센서20 : 마이컴10: temperature sensor 20: microcomputer

30 : 조작스위치40 : 발열제어부30: operation switch 40: heating control unit

50 : 발열선50: heating wire

본 고안은 자동차의 난방 장치에 관한 것으로, 특히, 공기가 유입되는 공기유입 통로에 전기에 의해 열을 발생하는 전열선을 설치한 후, 엔진의 온도가 정상적으로 되어 엔진 열에 의한 온풍이 공급되기 전까지, 상기 발열선을 통전시켜 난방을 수행하기 위한 것이다.The present invention relates to a heating device of an automobile, and in particular, after installing a heating wire that generates heat by electricity in an air inflow passage through which air is introduced, the engine temperature is normal until the warm air is supplied by the engine heat, It is to perform heating by energizing a heating wire.

주지하다시피, 자동차에는 실내를 난방, 또는 냉방시키기 위한 장치가 설치되어 있다. 즉, 여름철 등과 같이 실내를 냉방시키고자 할 경우에는 에어컨을 동작시켜 냉기를 토출시키고, 겨울철 등과 같이 실내를 난방시키고자 할 경우에는 송풍기를 통해 엔진에서 발생한 열을 실내로 흡입하여 난기를 토출시켰다.As is well known, automobiles are equipped with devices for heating or cooling the interior. In other words, in order to cool the room such as in summer, the air conditioner is operated to discharge cold air, and in case of heating the room such as in winter, the heat generated from the engine is sucked into the room through a blower to discharge warm air.

제 1 도와 제 2 도는 냉기 및 난기를 자동차 각 부에 골고루 이송시키기 위한 통풍계통 및 통풍경로를 나타낸 도면으로, 도시되는 바와 같이, 에어컨의 증발기에서 발생된 냉기, 또는 엔진에서 발생한 난기는 화살표 방향으로 이송되어 자동차 실내 각부를 냉방, 또는 난방시키게 된다.1 and 2 are diagrams illustrating a ventilation system and a ventilation path for evenly transporting cold air and warm air to each part of a vehicle, as shown in FIG. It is transferred to cool or heat each part of the vehicle interior.

예를 들어, 차내를 난방시키기 위해 조작스위치부(미도시)를 통해 히터를 작동시키면, 송풍기(1)가 엔진의 열을 흡수하여 실내 각부로 이송하므로써 난방동작을 수행하였다.For example, when the heater is operated through an operation switch unit (not shown) to heat the vehicle, the blower 1 absorbs heat of the engine and transfers the heat to the interior parts of the vehicle to perform the heating operation.

그러나, 상기와 같이, 엔진의 열을 실내로 이송하여 난방을 수행하는 종래의 방법은 엔진 시동 직후, 엔진의 온도가 소정의 온도가 되기전까지는 난기를 토출할 수 없어 난방기능을 수행할 수 없다는 문제점이 있었다.However, as described above, in the conventional method of transferring the heat of the engine to the room to perform heating, it is impossible to discharge the warm air immediately after starting the engine until the temperature of the engine reaches a predetermined temperature, and thus cannot perform the heating function. There was a problem.

즉, 자동차 실내를 난방시키기 위해서는 엔진에서 발생한 열을 송풍기(1)를 통해 실내로 이송하여야 하나, 시동 직후에는 엔진의 온도가 낮아 열을 실내로 공급할 수 없어 엔진의 온도가 상승될때까지는 난방을 할 수 없다는 문제점이 있었다.In other words, in order to heat the interior of the car, the heat generated from the engine must be transferred to the room through the blower (1) .However, immediately after starting, the engine cannot be supplied to the room due to the low temperature of the engine. There was a problem that can not.

본 고안의 목적은 상기와 같은 종래의 문제점을 해소하기 위한 것으로, 특히, 공기가 유입되는 공기유입구에 전기에 의해 열을 발생하는 전열선을 설치하여, 엔진의 온도가 정상적으로 되어 엔진 열에 의한 온풍이 공급되기 전까지 상기 발열선을 통전시켜 온풍을 공급하여 주므로써, 쾌속한 난방을 실현할 수 있는 자동차 급속 난방장치를 제공하는데 있다.An object of the present invention is to solve the conventional problems as described above, in particular, by installing a heating wire to generate heat by electricity at the air inlet inlet air, the temperature of the engine is normal to supply the warm air by the engine heat By supplying warm air by energizing the heating wire until it is to provide a rapid heating device for cars that can realize rapid heating.

상기와 같은 목적을 달성하기 위하여 본 고안 자동차 급속 난방장치는, 공기가 유입되는 통풍계통의 공기유입구에 설치되어, 유입되는 공기의 온도를 검출하는 온도센서와; 사용자에 의해 조작되어, 난방기능, 또는 냉방기능을 선택하는 조작스위치와; 공기 유입구에 설치되어, 통전시 열을 발생하는 발열선과; 소정의 제어신호에 의해 동작되어, 상기 발열선에 인가되는 전원 공급을 제어하므로써 발열선의 동작을 제어하는 발열제어부와; 상기 온도센서의 신호 출력단에, 상기 조작 스위치의 제어신호 출력단과, 상기 발열제어부의 제어신호 입력단 사이에 접속되어, 상기 조작 스위치로부터 난방기능이 선택되었을 경우, 상기 온도센서를 통해 실내로 송풍되는 난기의 온도를 검출하여, 그 온도가 소정의 값 이하일 경우, 상기 소정의 값이 될때까지 상기 발열제어부와 발열선을 통해 난방을 시키는 마이컴을 포함하여 구성됨을 그 기술적 구성상의 특징으로 한다.In order to achieve the above object, a rapid heating device of the present invention includes a temperature sensor installed at an air inlet of a ventilation system through which air is introduced, and detecting a temperature of the inflowing air; An operation switch which is operated by a user and selects a heating function or a cooling function; A heating wire installed at the air inlet and generating heat during energization; A heating control unit which is operated by a predetermined control signal and controls the operation of the heating line by controlling the power supply applied to the heating line; A warm air connected to the signal output terminal of the temperature sensor between the control signal output terminal of the operation switch and the control signal input terminal of the heat generating control unit, and when the heating function is selected from the operation switch, the warm air is blown into the room through the temperature sensor. When the temperature is less than the predetermined value, the temperature is characterized by the technical configuration comprises a microcomputer for heating through the heat generating control unit and the heating line until the predetermined value.

이러한 본 고안 자동차 급속 난방장치는, 난방기능 수행시, 엔진의 온도가 상승되어 엔진열에 의한 온풍이 공급되기 전까지 상기 발열선을 통해 난방기능을 수행하므로 인해, 급속한 난방을 실행할 수 있게 되는 것이다.The inventive rapid heating apparatus of the present invention is capable of performing rapid heating because the heating function is performed through the heating line until the temperature of the engine is increased to supply the warm air by the engine heat.

이하, 상기와 같이 구성된 본 고안 자동차 급속 난방장치의 기술적 사상에 따른 일 실시예를 들어, 첨부된 도면에 의거 상세히 설명하면 다음과 같다.Hereinafter, with reference to the accompanying drawings for an embodiment according to the technical idea of the present invention rapid vehicle heating apparatus configured as described above in detail as follows.

실시예Example

먼저, 제 4 도에서 도시되는 바와 같이, 공기 유입구 소정의 위치에 온도센서(10)와 발열선(50)을 설치한다.First, as shown in FIG. 4, the temperature sensor 10 and the heating line 50 are installed at a predetermined position of the air inlet.

또한, 상기 발열선(50)을 통전시켜 난방을 수행시킬 공기의 기준온도를 설정하여, 마이컴(20)의 내부메모리, 또는 상기 마이컴(20)의 제어를 받는 외부메모리에 저장한다.In addition, by setting the reference temperature of the air to be heated by energizing the heating line 50, and stored in the internal memory of the microcomputer 20, or an external memory under the control of the microcomputer 20.

이후, 제 3 도에서 도시되는 바와 같이, 온도센서(10)의 신호 출력단을 상기 마이컴(20)의 신호 입력단에 접속하고, 상기 조작스위치(30)의 제어 신호 출력단을 상기 마이컴(20)의 제어 신호 입력단에 접속하며, 상기 발열제어부(40)의 제어신호 입력단을 상기 마이컴(20)의 제어신호 출력단에 접속하여 본 실시예를 구성한다.Thereafter, as shown in FIG. 3, the signal output terminal of the temperature sensor 10 is connected to the signal input terminal of the microcomputer 20, and the control signal output terminal of the operation switch 30 is controlled by the microcomputer 20. The present embodiment is configured by connecting to a signal input terminal and connecting a control signal input terminal of the heat generating controller 40 to a control signal output terminal of the microcomputer 20.

여기서, 상기 조작스위치(30)는, 사용자에 의해 조작되어, 냉방기능, 또는 난방기능을 선택하도록 하는 스위치로 종래와 같다.Here, the operation switch 30 is a switch that is operated by a user to select a cooling function or a heating function, as in the related art.

이하, 상기와 같이 구성된 본 실시예의 동작을 상세히 설명하면 다음과 같다.Hereinafter, the operation of the present embodiment configured as described above will be described in detail.

먼저, 사용자가 상기 조작스위치(30)를 통해 난방기능을 선택하게 되면, 송풍기(1)가 동작하여 바깥공기, 또는 내부공기를 유입하여 각 송풍경로를 통해 자동차 실내로 이송시킨다.First, when the user selects the heating function through the operation switch 30, the blower 1 is operated to inflow the outside air or the internal air to transfer to the interior of the vehicle through each blowing path.

그러면, 상기 마이컴(20)은, 상기 온도센서(10)에서 인가되는 공기의 온도를 검출하여, 이를 메모리에 저장된 기준온도와 비교하여 발열선을 발열시킬 것인지의 여부를 판단하게 된다.Then, the microcomputer 20 detects the temperature of the air applied by the temperature sensor 10 and compares it with a reference temperature stored in the memory to determine whether to generate heat.

이때, 통풍계통 내를 흐르는 공기의 온도가 메모리에 저장된 기준온도보다 낮은 것으로 판단될 경우에는, 엔진 온도가 아직 상승되지 않는 것으로 판단하여, 상기 발열제어부(40)에 발열선(50)을 발열시키라는 소정의 제어신호를 인가하여, 상기 발열선(50)에 전기를 공급하므로써 발열선(50)을 발열시키게 된다. 그러면, 상기 송풍기(1)를 통해 유입된 공기가 상기 발열선(50)을 통과하면서 상승되어, 따뜻한 공기를 각 통풍구를 통해 토출시키게 되는 것이다.At this time, when it is determined that the temperature of the air flowing in the ventilation system is lower than the reference temperature stored in the memory, it is determined that the engine temperature has not yet risen, and the heating control unit 40 generates the heating line 50 to generate heat. The heating wire 50 is heated by applying a predetermined control signal to supply the electricity to the heating wire 50. Then, the air introduced through the blower 1 is raised while passing through the heating line 50, thereby discharging the warm air through each vent.

한편, 상기의 과정에서 발열선(50)을 발열시킨 후에는, 상기 온도센서(10)에서 인가되는 신호를 지속적으로 검출하여, 그 온도가 상기 메모리에 저장된 기준온도 이상인가를 판단하여 상기 기준온도 이상일 경우에는, 이를, 엔진의 온도가 상승된 것으로 판단하여 상기 발열제어부(40)를 통해 상기 발열선(50)에 공급되는 전원을 차단하게 된다.Meanwhile, after the heating line 50 is heated in the above process, the signal applied from the temperature sensor 10 is continuously detected, and it is determined whether the temperature is higher than or equal to the reference temperature stored in the memory. In this case, it is determined that the temperature of the engine is increased to cut off the power supplied to the heating line 50 through the heating control unit 40.

즉, 엔진의 온도가 기 설정된 기준온도 이상이 되기전 까지는 상기 발열선(50)에서 발생한 열로 난방을 하다가, 엔진의 온도가 상기 기준온도에 도달하면 엔진의 온도가 상승된 것으로 판단하여, 상기 발열선(50)의 발열을 중지시킨 후, 엔진에서 발생된 열로 난방을 수행하게 되는 것이다.That is, the heating is performed by the heat generated from the heating line 50 until the temperature of the engine is greater than or equal to the predetermined reference temperature, and when the temperature of the engine reaches the reference temperature, it is determined that the temperature of the engine is increased and the heating line ( After the heat generation of 50) is stopped, heating is performed by heat generated from the engine.

따라서, 엔진의 온도가 상승되기 전에도 난방을 할 수 있게 되는 것이다.Therefore, heating is possible even before the temperature of the engine rises.

이상에서 살펴본 바와 같이, 본 고안 자동차 급속 난방장치는, 특히, 난방기능 수행시, 엔진의 온도가 상승되어 엔진열에 의한 온풍이 공급되기 전까지 상기 발열선을 통해 난방기능을 수행하므로 인해, 급속한 난방을 실행할 수 있게 되는 효과가 있는 것이다.As described above, the rapid heating device of the present invention, in particular, when the heating function is performed, performs rapid heating due to the heating function through the heating wire until the temperature of the engine is increased and the warm air is supplied by the engine heat. The effect is to be able to.

Claims (1)

공기가 유입되는 통풍계통의 공기유입구에 설치되어, 유입되는 공기의 온도를 검출하는 온도센서와; 사용자에 의해 조작되어, 난방기능, 또는 냉방기능을 선택하는 조작스위치와; 공기 유입구에 설치되어, 통전시 열을 발생하는 발열선과; 소정의 제어신호에 의해 동작되어, 상기 발열선에 인가되는 전원 공급을 제어하므로써 발열선의 동작을 제어하는 발열제어부와; 상기 온도센서의 신호 출력단에, 상기 조작 스위치의 제어신호 출력단과, 상기 발열제어부의 제어신호 입력단 사이에 접속되어, 상기 조작 스위치로부터 난방기능이 선택되었을 경우, 상기 온도센서를 통해 실내로 송풍되는 난기의 온도를 검출하여, 그 온도가 소정의 값 이하일 경우, 상기 소정의 값이 될때까지 상기 발열제어부와 발열선을 통해 난방을 시키는 마이컴을 포함하여 구성됨을 특징으로 하는 자동차 급속 난방장치.A temperature sensor installed at an air inlet of the ventilation system through which air is introduced, and detecting a temperature of the inflowing air; An operation switch which is operated by a user and selects a heating function or a cooling function; A heating wire installed at the air inlet and generating heat during energization; A heating control unit which is operated by a predetermined control signal and controls the operation of the heating line by controlling the power supply applied to the heating line; A warm air connected to the signal output terminal of the temperature sensor between the control signal output terminal of the operation switch and the control signal input terminal of the heat generating control unit, and when the heating function is selected from the operation switch, the warm air is blown into the room through the temperature sensor. And a microcomputer that detects a temperature of the heating unit and heats the heating unit through the heating control unit and the heating line until the predetermined value is reached when the temperature is lower than the predetermined value.
KR2019960060923U 1996-12-28 1996-12-28 Automotive rapid heating KR19980047766U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019960060923U KR19980047766U (en) 1996-12-28 1996-12-28 Automotive rapid heating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019960060923U KR19980047766U (en) 1996-12-28 1996-12-28 Automotive rapid heating

Publications (1)

Publication Number Publication Date
KR19980047766U true KR19980047766U (en) 1998-09-25

Family

ID=53999547

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019960060923U KR19980047766U (en) 1996-12-28 1996-12-28 Automotive rapid heating

Country Status (1)

Country Link
KR (1) KR19980047766U (en)

Similar Documents

Publication Publication Date Title
US20160288621A1 (en) Vehicle air-conditioning system and starting method thereof
US20020125859A1 (en) Electric load control system and vehicle air-conditioning system having the same
JP2007518057A (en) Thermostat with heating and / or cooling fan delay controlled by thermostat output
JP2006522704A (en) Method and apparatus for stop mode air conditioning
US6164367A (en) Automotive air conditioning apparatus
EP0879716B1 (en) Air conditioner for vehicles
JP3149488B2 (en) Vehicle air conditioner
KR19980047766U (en) Automotive rapid heating
KR102358768B1 (en) Air conditioning system for automotive vehicles
KR102131279B1 (en) PTC heater with anti-fogging part
JP3752765B2 (en) Air conditioner for vehicles
JP3392692B2 (en) Automotive air conditioning controller
JP3351025B2 (en) Vehicle heating system
JP2001171335A (en) Heating device for vehicle
KR20060093401A (en) Control method for ptc heater of diesel vehicle
KR100266440B1 (en) Vehicular air conditioning apparatus
KR100471263B1 (en) Heater control method of diesel engine
KR100191252B1 (en) An electric heater in an automobile
KR100401717B1 (en) Apparatus for controlling heating line in rear windshield of car
KR100422616B1 (en) Heating system for electric vehicle
JP2008056221A (en) Vehicular air-conditioning control device
JPS63306915A (en) External combustion room heating device for vehicle
KR19980048760U (en) Room thermostat of the vehicle
KR19990080956A (en) Heating control device of vehicle
KR19990070967A (en) Automatic generation device of frost and its method

Legal Events

Date Code Title Description
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid