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KR100427239B1 - Headlamp lens cleansing system with hot wire - Google Patents

Headlamp lens cleansing system with hot wire Download PDF

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Publication number
KR100427239B1
KR100427239B1 KR1019960077146A KR19960077146A KR100427239B1 KR 100427239 B1 KR100427239 B1 KR 100427239B1 KR 1019960077146 A KR1019960077146 A KR 1019960077146A KR 19960077146 A KR19960077146 A KR 19960077146A KR 100427239 B1 KR100427239 B1 KR 100427239B1
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KR
South Korea
Prior art keywords
headlamp
lens
headlamp lens
hot wire
housing
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
KR1019960077146A
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Korean (ko)
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KR19980057843A (en
Inventor
황인식
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현대자동차주식회사
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Priority to KR1019960077146A priority Critical patent/KR100427239B1/en
Publication of KR19980057843A publication Critical patent/KR19980057843A/en
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Publication of KR100427239B1 publication Critical patent/KR100427239B1/en
Anticipated expiration legal-status Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/56—Cleaning windscreens, windows or optical devices specially adapted for cleaning other parts or devices than front windows or windscreens
    • B60S1/60—Cleaning windscreens, windows or optical devices specially adapted for cleaning other parts or devices than front windows or windscreens for signalling devices, e.g. reflectors
    • B60S1/603—Cleaning windscreens, windows or optical devices specially adapted for cleaning other parts or devices than front windows or windscreens for signalling devices, e.g. reflectors the operation of at least a part of the cleaning means being controlled by electric means
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B1/00—Details of electric heating devices
    • H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
    • H05B1/0227—Applications
    • H05B1/023—Industrial applications
    • H05B1/0236—Industrial applications for vehicles
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/0033—Heating devices using lamps
    • H05B3/0038—Heating devices using lamps for industrial applications
    • H05B3/0042—Heating devices using lamps for industrial applications used in motor vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/30—Sensors
    • B60Y2400/302—Temperature sensors

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

PURPOSE: A headlamp lens cleansing system is provided to prevent washer fluid from freezing on a surface of a lens in driving a wiper for a headlamp and to heat the headlamp lens by operating a hot wire installed in a lens housing as the temperature is below zero. CONSTITUTION: In a headlamp lens cleansing system for cleaning a surface of a lens by injecting washer fluid to a headlamp lens of a vehicle, a hot wire is installed to the lateral side of a metal lamp housing fixing the headlamp lens. Output of a temperature sensor(S1) for detecting the temperature of external air is connected to an electronic control unit(10). A lamp housing hot wire driving circuit and a washer fluid injection pump driving circuit(14) are connected to an output end. When the external air is below zero after operating the headlamp, the hot wire disposed at the headlamp lens housing is operated to heat the headlamp lens.

Description

헤드램프 렌즈 클리닝 시스템Headlamp Lens Cleaning System

본 발명은 헤드램프 렌즈 클리닝 시스템에 관한 것이며, 특히 헤드램프용 와이퍼가 설치된 차량에서 영하의 날씨에 헤드램프 렌즈 표면에 와셔액이 얼어붙는 현상을 방지하여 헤드램프의 광도 저하를 방지하기 위한 헤드램프 렌즈 클리닝 시스템에 관한 것이다.The present invention relates to a headlamp lens cleaning system, and in particular, a headlamp lens for preventing the washer liquid from freezing on the surface of the headlamp lens in sub-zero weather in a vehicle equipped with a headlamp wiper. It relates to a cleaning system.

일반적으로 헤드램프용 와이퍼가 설치된 고급 승용차에서 겨울철 영하의 기온에서 눈이 내릴 때 헤드램프용 와이퍼를 작동시키면 헤드램프 렌즈 표면에 먼지와 함께 와셔액이 얼어붙게 된다. 이 상태에서 야간에 헤드램프를 점등시키면 헤드램프의 광도가 떨어져 운전자의 시계 확보가 어려운 단점이 있다.In general, in a luxury car equipped with a headlamp wiper, if the headlamp wiper is operated when it snows at sub-zero temperatures in winter, the washer fluid freezes with the dust on the surface of the headlamp lens. In this state, when the headlamp is turned on at night, the brightness of the headlamp decreases, making it difficult to secure a driver's watch.

도 1은 종래 헤드램프 렌즈 와이퍼 장치의 설치상태를 나타낸다. 헤드램프 (5)의 전면 렌즈부(7) 표면 하단부에 소형 와이퍼(8)와 함께 와샤액 분사노즐(9)이 설치된 것이다. 도면에서와 같이 와이퍼(8)는 헤드램프 렌즈의 일부분만을 클리닝 할수 있게 설치되어 있다.1 shows an installation state of a conventional headlamp lens wiper device. The washer fluid jet nozzle 9 is installed at the lower end of the front lens section 7 surface of the headlamp 5 together with the small wiper 8. As shown in the figure, the wiper 8 is provided to clean only a part of the headlamp lens.

따라서, 본 발명의 목적은 겨울철 영하의 날씨에 헤드램프용 와이퍼 구동시 렌즈 표면에서 와셔액이 얼어붙지 않도록 하는 헤드램프 렌즈 클리닝 시스템를 제공하는 데 있다.Accordingly, it is an object of the present invention to provide a headlamp lens cleaning system which prevents the washer liquid from freezing on the lens surface when driving the wiper for the headlamp in sub-zero winter weather.

본 발명에 따르면, 헤드램프 작동후 외기 온도가 영하인지를 판단하고 영하일 때에 헤드램프 렌즈 하우징에 설치된 열선을 작동시켜 헤드램프 렌즈를 가열시키게 한 헤드램프 렌즈 클리닝 시스템이 제공된다.According to the present invention, there is provided a headlamp lens cleaning system for determining whether the outside air temperature is below zero after the headlamp operation and operating the heating wire installed in the headlamp lens housing to heat the headlamp lens when it is below zero.

본 발명의 장치에 의해 헤드램프 렌즈가 가열된 상태에서 와셔액을 분사시키고 헤드램프 와이퍼를 가동시키더라도 와셔액이 렌즈 표면에 얼어붇지 않게 된다.The washer fluid does not freeze on the lens surface even when the washer liquid is jetted and the head lamp wiper is operated by the apparatus of the present invention.

도 1은 종래 헤드램프 렌즈 클리닝 장치의 설치상태도.1 is an installation state of a conventional headlamp lens cleaning device.

도 2는 본 발명에 따른 헤드램프 렌즈 클리닝 시스템의 구성도.2 is a block diagram of a headlamp lens cleaning system according to the present invention.

도 3은 도 2의 전자제어장치(10)의 동작을 나타내는 플로우차트.3 is a flowchart showing the operation of the electronic control apparatus 10 of FIG.

<도면의 주요부분에 대한 부호의 설명><Description of Symbols for Main Parts of Drawings>

5 : 헤드램프 7 : 헤드 램프 렌즈5: headlamp 7: headlamp lens

8 : 헤드램프 와이퍼 9 : 와셔액 분사노즐8: Headlamp Wiper 9: Washer Liquid Injection Nozzle

10: 전자제어장치 12: 렌즈 하우징 히터10: electronic control device 12: lens housing heater

14: 와셔 펌프 16: 와이퍼 구동모터14: washer pump 16: wiper drive motor

상기한 본 발명의 목적과 특징 및 장점을 이해하기 쉽도록 이하 첨부도면을 참고로 본 발명의 일 실시예에 대하여 상세히 설명한다.An embodiment of the present invention will be described in detail with reference to the accompanying drawings so that the objects, features, and advantages of the present invention can be easily understood.

도 2을 참조하면, 본 발명에 따른 헤드램프 렌주 클리닝 시스템이 도시되어있다. 전자제어장치(10)의 입력단에 외기 온도센서(S1), 헤드램프용 와이퍼 구동스위치(SW1) 및 헤드램프 작동 스위치(SW2)가 연결되고, 그 출력단에 헤드램프 렌즈 하우징 히터 구동회로(12), 헤드램프용 와셔액 분사펌프 구동회로(14) 및 헤드램프 와이퍼 모터 구동회로(16)가 연결 구성된다.2, there is shown a headlamp range cleaning system according to the present invention. The outside temperature sensor S1, the headlamp wiper drive switch SW1 and the headlamp operation switch SW2 are connected to the input terminal of the electronic controller 10, and the headlamp lens housing heater drive circuit 12 is connected to the output terminal thereof. The washer liquid injection pump driving circuit 14 and the headlamp wiper motor driving circuit 16 are connected to each other.

상기 헤드램프 렌즈(7)를 고정시키는 금속성 램프 하우징(도시 안됨)의 일측면에 하우징을 가열하기 위한 열선이 설치된다.A heating wire for heating the housing is installed on one side of the metallic lamp housing (not shown) that fixes the headlamp lens 7.

위와 같은 구성의 헤드램프 렌즈 클리닝 시스템에서, 운전자가 헤드램프 스위치 SW2를 온 시키면 전자제어장치(10)는 외기온도 센서 S1로부터 신호를 검출하여 외기온이 0℃ 이하인 지를 판단한다. 외기온이 영하인 것을 검출했을 때 출력단에서 상기 헤드램프 렌즈 하우징의 열선에 전원을 공급하기 위한 구동신호를 발생한다.In the headlamp lens cleaning system having the above configuration, when the driver turns on the headlamp switch SW2, the electronic controller 10 detects a signal from the outside temperature sensor S1 to determine whether the outside temperature is 0 ° C or less. When it detects that the outside temperature is below zero, a drive signal is generated at the output terminal for supplying power to the heating wire of the headlamp lens housing.

열선의 작동에 의해 램프 하우징이 가열되고, 이때 운전자가 헤드램프 와이퍼 구동스위치 SW1를 온 시키면 와셔액 분사펌프 및 와이퍼 구동 모터가 작동하여 헤드램프 렌즈 표면을 클리닝하게 된다.The lamp housing is heated by the operation of the hot wire, and when the driver turns on the headlamp wiper drive switch SW1, the washer liquid injection pump and the wiper drive motor operate to clean the headlamp lens surface.

이 때, 헤드램프 렌즈가 적절한 온도로 가열되어 있으므로써 렌즈 표면에 와셔액이 얼어 붙는 일은 없게 된다.At this time, the washer liquid does not freeze on the lens surface because the headlamp lens is heated to an appropriate temperature.

이상 설명한 바와 같이 본 발명에 의하면, 겨울철 눈이 내린후 야간에 헤드램프용 와이퍼를 작동시키기 전에 헤드램프 렌즈가 적절히 가열되게 함으로써 와셔액이 얼어붙지 않게 되어 헤드램프용 와이퍼의 원활한 작동이 가능해진다. 따라서헤드램프의 표면이 깨끗히 닦여짐으로서 겨울철 운전자의 시계 확보에 도움을 줄 수 있는 이점이 있다.As described above, according to the present invention, the headlamp lens is properly heated before the headlamp wiper is operated at night after snowing in winter so that the washer liquid does not freeze, thereby enabling the smooth operation of the headlamp wiper. Therefore, the surface of the headlamp is cleaned, so there is an advantage that can help to secure the driver's watch in winter.

Claims (1)

자동차 헤드램프 렌즈에 와셔액을 분사시켜 렌즈표면을 청소하기 위한 헤드램프 렌즈 클리닝 시스템에 있어서, 상기 헤드램프 렌즈를 고정시키는 금속성 램프 하우징의 측면에 열선을 설치하고, 외기 온도를 감지하는 온도센서의 출력이 전자제어장치에 연결되고 그 출력단에 상기 램프 하우징 열선 구동회로 및 와셔액 분사펌프 구동회로가 연결 구성되고, 헤드램프 작동후 외기 온도가 영하인지를 판단하고 영하일 때에 상기 헤드램프 렌즈 하우징에 설치된 열선을 작동시켜 헤드램프 렌즈를 가열하게 한 것을 특징으로 하는 헤드램프 렌즈 클리닝 시스템.In the headlamp lens cleaning system for cleaning the lens surface by spraying the washer liquid to the car headlamp lens, an output of a temperature sensor that installs a heating wire on the side of the metallic lamp housing that fixes the headlamp lens and senses the outside temperature The lamp housing hot wire driving circuit and the washer liquid injection pump driving circuit are connected to the electronic control device, and the heating wire installed in the head lamp lens housing when the outside temperature is below zero after the head lamp is operated is determined. And the headlamp lens is heated to operate the headlamp lens cleaning system.
KR1019960077146A 1996-12-30 1996-12-30 Headlamp lens cleansing system with hot wire Expired - Fee Related KR100427239B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019960077146A KR100427239B1 (en) 1996-12-30 1996-12-30 Headlamp lens cleansing system with hot wire

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Application Number Priority Date Filing Date Title
KR1019960077146A KR100427239B1 (en) 1996-12-30 1996-12-30 Headlamp lens cleansing system with hot wire

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KR19980057843A KR19980057843A (en) 1998-09-25
KR100427239B1 true KR100427239B1 (en) 2004-07-19

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5934967A (en) * 1982-08-20 1984-02-25 Nissan Motor Co Ltd Head lamp cleaner
JPH04126644A (en) * 1990-09-19 1992-04-27 Hino Motors Ltd Wiper
KR19980041018U (en) * 1996-12-23 1998-09-15 양재신 Automotive Headlamp Heating System

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5934967A (en) * 1982-08-20 1984-02-25 Nissan Motor Co Ltd Head lamp cleaner
JPH04126644A (en) * 1990-09-19 1992-04-27 Hino Motors Ltd Wiper
KR19980041018U (en) * 1996-12-23 1998-09-15 양재신 Automotive Headlamp Heating System

Also Published As

Publication number Publication date
KR19980057843A (en) 1998-09-25

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