KR0160044B1 - Preheating device of wind shield in a cng-vehicle - Google Patents

Preheating device of wind shield in a cng-vehicle Download PDF

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Publication number
KR0160044B1
KR0160044B1 KR1019950058143A KR19950058143A KR0160044B1 KR 0160044 B1 KR0160044 B1 KR 0160044B1 KR 1019950058143 A KR1019950058143 A KR 1019950058143A KR 19950058143 A KR19950058143 A KR 19950058143A KR 0160044 B1 KR0160044 B1 KR 0160044B1
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South Korea
Prior art keywords
natural gas
windshield
vehicle
switch
stored
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KR1019950058143A
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Korean (ko)
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KR970040078A (en
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김동우
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김태구
대우자동차주식회사
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Priority to KR1019950058143A priority Critical patent/KR0160044B1/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60SSERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00Cleaning of vehicles
    • B60S1/02Cleaning windscreens, windows or optical devices
    • B60S1/023Cleaning windscreens, windows or optical devices including defroster or demisting means
    • B60S1/026Cleaning windscreens, windows or optical devices including defroster or demisting means using electrical means

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

본 발명은 압축천연가스차량의 윈드쉴드 예열장치에 관한 것으로, 상기 압축천연가스차량의 연료탱크(1)로부터 저장된 고압의 천연가스를 매개로 동절기 윈드쉴드(5)와 사이드 미러(6)표면에 생긴 성애를 전기를 발생시키는 압전소자(3)와 함께 전기에 의해 열을 내는 열전소자(7)를 매개로 제거토록하여 운전자의 전방 및 측/후방시계를 안정적으로 확보할 수 있도록 한 것이다.The present invention relates to a windshield preheating apparatus for a compressed natural gas vehicle, wherein the winter windshield (5) and the side mirror (6) are surfaced through the high pressure natural gas stored from the fuel tank (1) of the compressed natural gas vehicle. It is to ensure that the front and side / rear clock of the driver to be stably removed by removing the generated sex through the thermoelectric element (7) that generates heat by electricity together with the piezoelectric element (3) for generating electricity.

Description

압축천연가스차량의 윈드쉴드 예열 장치Windshield preheater of compressed natural gas vehicle

제1도는 본 발명에 따른 압축천연가스 차량의 윈드쉴드 예열장치를 개략적으로 나타낸 구성상태도이다.1 is a configuration diagram schematically showing a windshield preheating apparatus for a compressed natural gas vehicle according to the present invention.

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

1 : 연료탱크 2 : 관로1: fuel tank 2: pipeline

3 : 압전소자 4 : 온/오프스위치3: piezoelectric element 4: on / off switch

5 : 윈드쉴드 6 : 사이드미러5: windshield 6: side mirror

7 : 열전소자 8 : 서모스텟7: thermoelectric element 8: thermostat

본 발명은 압축천연 가스차량의 윈드쉴드 예열장치에 관한 것으로, 특히 연료탱크내에 고압으로 저장된 액화천연가스를 이용하여 동절기 윈드쉴드 표면에 생기는 성에를 효과적으로 제거할 수 있도록 된 압축 천연가스차량의 윈드쉴드 예열 장치에 관한 것이다.The present invention relates to a windshield preheating device for a compressed natural gas vehicle. In particular, a windshield of a compressed natural gas vehicle that can effectively remove frost on the surface of a winter windshield using liquefied natural gas stored at high pressure in a fuel tank. It relates to a preheating device.

일반적으로 가솔린이나 경우를 연료로 이용하여 이를 연소시킨 다음 얻어지는 열에너지를 기계열로 전환시켜 구동되는 가솔린 엔진이나 디젤엔진을 장착한 자동차에서 연료의 연소과정 후 대기로 배출되는 배기가스 중에 일산화탄소(CO),탄화수소(HC),질소산화물(NOX)는 인체에 유해하면서 환경에도 악영향을 미치기 때문에 근래에 와서는 배출되는 배기가스 중에 포함되는 유해성분을 줄이거나 완전히 없애는 환경과 인체의 안전을 고려한 차량이 개발되고 있는 설정이다.In general, carbon monoxide (CO) in the exhaust gas emitted to the atmosphere after the combustion process of fuel in a gasoline engine or a vehicle equipped with a diesel engine driven by burning gasoline or a case as a fuel and then burning it and converting thermal energy into mechanical heat. Since hydrocarbons (HC) and nitrogen oxides (NO X ) are harmful to the human body and adversely affect the environment, in recent years, a vehicle that considers the safety of the environment and the human body to reduce or completely eliminate harmful components contained in the exhaust gas is released. This is a setting being developed.

이와 같은 목적으로 개발된 차량중에는 천연가스를 연료로 이용하여 구동되는 압축천연가스(Compressed Natural Gas)차량이 있는 지, 이 압축천연가스차량에서는 천연가스를 일반차량의 연료탱크와 같은 용기 내에 고압으로 압축해서 액화된 상태로 저장시켜 탑재하여, 이 고압으로 압축된 천연가스를 주행시 엔진으로 공급하여 차량을 주행시켜 왔다.Is a vehicle developed for this purpose a compressed natural gas vehicle driven by using natural gas as a fuel, in which the natural gas is compressed to a high pressure in a container such as a fuel tank of a general vehicle It has been stored in a compressed and liquefied state, and has been supplied with this high-pressure compressed natural gas to the engine during traveling to drive the vehicle.

한편, 상기 압축천연가스차량뿐만아니라 일반 차량에서도 동절기에는 외기와의 기온차이로 인해 장시간 주/정차할 경우에 윈드쉴드와 사이드미러의 표면에는 성에가 끼어 운전자의 전방 및 측후방시야를 방해하는 단점이 있었다.On the other hand, not only the compressed natural gas vehicle but also in a normal vehicle in winter, when the parking / stop for a long time due to the temperature difference between the outside air, the windshield and the side mirror surface of the frost is a disadvantage that obstructs the driver's front and rear view There was this.

이에 본 발명은 상기한 같은 단점을 해결하기 위해 발명된 것으로, 압축천연가스차량의 연료로서 고압으로 압축된 천연가스의 압력을 이용하여 전기를 발생하는 압전소자를 매개로, 윈드쉴드와 사이드미러에 장착된 열전소자를 발열케 하여 동절기 표면에 생긴 성에를 용이하게 제거 할 수 있도록 된 압축천연가스차량의 윈드쉴드 예열장치를 제공함에 그 목적이 있다.Accordingly, the present invention has been invented to solve the above disadvantages, through a piezoelectric element that generates electricity using the pressure of natural gas compressed at high pressure as a fuel of a compressed natural gas vehicle, to the windshield and the side mirror It is an object of the present invention to provide a windshield preheating device for a compressed natural gas vehicle that heats the installed thermoelectric element to easily remove frost on the winter surface.

상기한 바의 목적을 달성하기 위한 본 발명은, 일정량의 천연가스를 차량내 트렁크롬에 탑제된 연료탱크에 고압으로 압축시켜 저장하였다가 이 저장된 천연가스를 연료로 이용하여 주행되는 압축천연가스차량에 있어서, 상기 압축천연가스차량의 연료탱크로부터 저장된 고압의 천연가스를 엔진으로 공급하기 위해 설치된 관로에는 일정압력이상의 압력을 받으면 전기를 발생시키는 압전소자가 구비되고, 이 압전소자에는 전원선을 매개로 온/오프스위치가 연결되고, 이 온/오프스위치는 윈드쉴드의 가장자리부와 사이드미러의 배면으로 배선되어 전기를 받으면 발열되는 열전소자와 전원선을 매개로 연결되며, 이 윈드쉴드의 열전소자에는 상기 온/오프 스위치와 전기적으로 일정온도이상일 때에만 전원을 단락시켜 주는 서모스텟이 연결된 것을 특징으로 한다.The present invention for achieving the above object, the compressed natural gas vehicle which is stored by compressing a certain amount of natural gas at a high pressure in the fuel tank mounted on the trunk ROM in the vehicle and using the stored natural gas as fuel In the conduit provided for supplying the high pressure natural gas stored in the fuel tank of the compressed natural gas vehicle to the engine is provided with a piezoelectric element for generating electricity when the pressure is greater than a predetermined pressure, the piezoelectric element is connected to the power line The on / off switch is connected, and the on / off switch is connected to the edge of the windshield and the rear side of the side mirror and is connected to a thermoelectric element and a power line that generate heat when subjected to electricity, and the thermoelectric element of the windshield. Has a thermostat connected to the on / off switch and a power shorter only when it is electrically above a certain temperature. Gong.

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

제1도는 본 발명에 따른 압축천연가스차량의 윈드쉴드 예열장치를 개략적으로 나타낸 구성상태도이다.1 is a configuration diagram schematically showing a windshield preheating apparatus for a compressed natural gas vehicle according to the present invention.

본 발명은 도면에 도시된 바와 같이, 일정량의 천연가스를 차량내 트렁크룸에 탑재된 연료탱크에 고압으로 압축시켜 저장하였다가 이 저장된 천연가스를 연료로 이용하여 주행되는 압축천연가스차량에 있어서, 윈드쉴드(5)나 사이드 미러에 생기는 성에 등을 자동으로 제거해 주는 장치이다.In the present invention, as shown in the drawings, in a compressed natural gas vehicle that is stored by compressing a certain amount of natural gas at a high pressure in the fuel tank mounted in the trunk room in the vehicle and using the stored natural gas as fuel, It is a device that automatically removes frost generated in the windshield 5 and the side mirrors.

상기 압축천연가스차량의 연료탱크(1)로부터 저장된 고압의 천연가스를 엔진으로 공급하기 위해 설치된 관로(2)에는 이 연료탱크(1)내 고압의 천연가스가 관로(2)로 유출될 때 일정압력이상의 압력을 받으면 전기를 발생시키는 압전소자(3)가 구비된다.In the pipeline 2 installed to supply the high pressure natural gas stored from the fuel tank 1 of the compressed natural gas vehicle to the engine, when the high pressure natural gas in the fuel tank 1 flows out into the pipeline 2 When the pressure is higher than the pressure is provided a piezoelectric element (3) for generating electricity.

이때 사용되는 압전소자(3)는 압축천연가스 탱크에 연결되므로, 차량의 탑승자의 안전을 위하여, 전기적으로 잘 절연되어 있어야 하며, 윈드쉴드(5)와 사이드 미러에 발생한 성에 등을 제거할 만큼의 전기를 발생할 수 있는 것이어야 한다.At this time, the piezoelectric element 3 used is connected to the compressed natural gas tank, so for the safety of the occupant of the vehicle, the piezoelectric element 3 must be electrically insulated, and enough to remove frost generated in the windshield 5 and the side mirrors. It must be capable of generating electricity.

또한, 이 압전소자(3)에는 전원선을 매개로 온/오프 스위치(4)가 연결되고, 이 온/오프스위치(4)는 윈드쉴드(5)의 열전소자(7)에는 일정온도 이상일 때에만 상기 온/오프스위치(4)를 단락시켜주는 서모스텟(8)이 연결되어 있다.In addition, the on / off switch 4 is connected to the piezoelectric element 3 via a power supply line, and the on / off switch 4 is connected to the thermoelectric element 7 of the windshield 5 at a predetermined temperature or more. Only the thermostat 8 which shorts the on / off switch 4 is connected.

여기서 상기 윈드쉴드(5)에 배션된 열전소자(7)에 연결된 서모스텟(8)은 윈드쉴드(5)표면이 0도 이하일 때에만 상기 온/오프스위치(4)를 온되게 작동시키도록 되어있다.Here, the thermostat 8 connected to the thermoelectric element 7 disposed on the windshield 5 operates the on / off switch 4 to be turned on only when the surface of the windshield 5 is 0 degrees or less. have.

그러므로 윈드쉴드(5)의 표면온도가 0도 이상인 경우에는 온/오프스위치(4)가 차단되는 상태가 된다. 그러나 이 때에도 차량이 운행중이라면, 가스의 압력이 발생되므로 압전소자(3)는 계속 전기를 발생시키고 있는 상태일수도 있다. 이런 경우, 누전이 되지 않도록 압전소자(3)는 주위와 양호하게 절연되어 있어야 한다.Therefore, when the surface temperature of the windshield 5 is 0 degrees or more, the on / off switch 4 is cut off. However, even when the vehicle is in operation at this time, since the pressure of the gas is generated, the piezoelectric element 3 may continue to generate electricity. In this case, the piezoelectric element 3 should be well insulated from the surroundings so as not to be a short circuit.

이상의 설명에 따라서, 상기 압축천연가스차량이 주행중에 연료탱크(1)로부터 배출되는 천연가스의 압력에 의해 압전소자(3)가 전기를 발생시키면, 이 전기에 의해 윈드쉴드(5)와 사이드미러(6)에 배선된 열전소자(7)가 열을내어 표면에 달라붙은 성에를 열로서 제거하게 된다.According to the above description, when the piezoelectric element 3 generates electricity by the pressure of the natural gas discharged from the fuel tank 1 while the compressed natural gas vehicle is running, the windshield 5 and the side mirror are generated by the electricity. The thermoelectric element 7 wired to (6) generates heat to remove frost that has adhered to the surface as heat.

이때 상기 윈드쉴드(5)의 열전소자(7)에 배선된 서모스텟(8)은 윈드쉴드(5)의 표면이 일정수준 이하온도(빙점)로 떨어지지 않으면 온/오프 스위치(4)를 온시키지않아 윈드쉴드(5)와 사이드미러(6)의 불필요한 온도상승을 막아 주도록 되어 있다.At this time, the thermostat 8 wired to the thermoelectric element 7 of the windshield 5 does not turn on the on / off switch 4 unless the surface of the windshield 5 falls below a predetermined level (freezing point). This prevents unnecessary temperature rise of the windshield 5 and the side mirror 6.

이와 같이 상기 윈드쉴드(5)와 사이드미러(6)표면으로 동절기에 끼이는 성에는 연료탱크(1)내 고압인 천연가스에 의해 전기를 발생하는 압전소자(3)와 발열되는 열전소자(7)를 매개로 제거되므로, 운전자의 전방 및 측/후방시계는 안정적으로 확보될 수 있게 된다.As described above, the windshield 5 and the side mirror 6 are sandwiched in winter, and the piezoelectric element 3 generating electricity by the high pressure natural gas in the fuel tank 1 and the thermoelectric element 7 generating heat. Since the vehicle is removed through), the driver's front and side clocks can be stably secured.

이상 설명한 바와 같이 본 발명에 따른 압축천연가스차량의 윈드쉴드예열장치에 의하면, 압축 천연가스를 연료로 사용하여 주행되는 압축천연가스차량에 있어서 연료탱크(1)내에 저장된 고압의 천연가스를 이용하여 동절기 윈드쉴드(5)와 사이드미러(6)표면에 생기는 성에가 용이하게 제거됨에 따라 안정된 운전자의 전방 및 측/후방시계를 확보 할 수 있는 효과가 있게 된다.As described above, according to the windshield preheating apparatus of the compressed natural gas vehicle according to the present invention, in the compressed natural gas vehicle that runs by using compressed natural gas as fuel, the high pressure natural gas stored in the fuel tank 1 is used. As the frost on the surface of the winter windshield 5 and the side mirror 6 is easily removed, there is an effect of securing a stable driver's front and side / rear clocks.

Claims (1)

일정량의 천연가스를 차량내 트렁크룸에 탑재된 연료탱크에 고압으로 압축시켜 저장하였다가 이 저장된 천연가스를 연료로 이용하여 주행되는 압축천연가스차량의 윈드쉴드를 예열하는 장치에 있어서, 상기 압축천연가스차량의 연료탱크(1)로부터 저장된 고압의 천연가스를 엔진으로 공급하기 위해 설치된 관로(2)에는 일정압력이상의 압력을 받으면 전기를 발생시키는 압전소자(3)가 구비되고, 이 압전소자(3)에는 전원선을 매개로 온/오프스위치(4)가 연결되고, 이 온/오프스위치(4)는 윈드쉴드(5)의 가장자리부와 사이드미러(6)의 배면으로 배선되어 전기를 받으면 발열되는 열전소자(7)와 전원선을 매개로 연결되며, 이 윈드쉴드(5)의 열전소자(7)에는 윈드쉴드(5)가 일정온도이상일 때에만 상기 온/오프스위치(4)를 단락시켜 주는 서모스텟(8)의 연결된 것을 특징으로 하는 압축 천연가스차량의 윈드쉴드 예열장치.A device for pre-heating a windshield of a compressed natural gas vehicle which is stored by compressing a certain amount of natural gas at a high pressure in a fuel tank mounted in an in-vehicle trunk room and using the stored natural gas as fuel. The pipeline 2 provided for supplying the high pressure natural gas stored from the fuel tank 1 of the gas vehicle to the engine is provided with a piezoelectric element 3 for generating electricity when the pressure is higher than a predetermined pressure, and the piezoelectric element 3 On / off switch (4) is connected to the power line via the power line, the on / off switch (4) is wired to the edge of the windshield (5) and the rear side of the side mirror (6) to generate electricity when receiving electricity The thermoelectric element 7 and the power line are connected to each other, and the on / off switch 4 is shorted to the thermoelectric element 7 of the windshield 5 only when the windshield 5 is above a predetermined temperature. Note connected to the thermostat (8) Compression windscreen heating equipment of the natural gas vehicle, characterized by.
KR1019950058143A 1995-12-27 1995-12-27 Preheating device of wind shield in a cng-vehicle KR0160044B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950058143A KR0160044B1 (en) 1995-12-27 1995-12-27 Preheating device of wind shield in a cng-vehicle

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Application Number Priority Date Filing Date Title
KR1019950058143A KR0160044B1 (en) 1995-12-27 1995-12-27 Preheating device of wind shield in a cng-vehicle

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KR970040078A KR970040078A (en) 1997-07-24
KR0160044B1 true KR0160044B1 (en) 1998-12-01

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