KR20100087415A - Streetlight using wind power of vehicles - Google Patents

Streetlight using wind power of vehicles Download PDF

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Publication number
KR20100087415A
KR20100087415A KR1020090006393A KR20090006393A KR20100087415A KR 20100087415 A KR20100087415 A KR 20100087415A KR 1020090006393 A KR1020090006393 A KR 1020090006393A KR 20090006393 A KR20090006393 A KR 20090006393A KR 20100087415 A KR20100087415 A KR 20100087415A
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KR
South Korea
Prior art keywords
wind
generator
fan shaft
vehicle
power
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KR1020090006393A
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Korean (ko)
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KR100981365B1 (en
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강석훈
전기선
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주식회사 지에이
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/08—Lighting devices intended for fixed installation with a standard
    • F21S8/085—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
    • F21S9/04—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a generator
    • F21S9/043—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a generator driven by wind power, e.g. by wind turbines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/103—Outdoor lighting of streets or roads
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Wind Motors (AREA)

Abstract

PURPOSE: A streetlight is provided to consecutively obtain energy by connecting a plurality of wind generators through a belt. CONSTITUTION: A wind generator(300) is installed in a median strip(400). The power generator includes a fan shaft(150), a blade(160), and upper and lower covers(100,120). The blade is arranged around the fan shaft at a constant interval. An air outlet is formed on the upper and lower covers. A gear connected to the fan shaft is engaged with the gear connected to the generator. A storage battery stores the electric energy produced from the generator. The controller supplies the energy stored in the storage battery to the streetlight.

Description

차량의 풍력을 이용한 가로등{Streetlight using wind power of vehicles} Streetlight using wind power of vehicles}

본 발명의 차량의 풍력을 이용한 가로등에 관한 것으로서, 더욱 상세하게는 고속으로 질주하는 차량에서 발생되는 풍력을 이용하여 발전된 에너지를 도로에 설치된 가로등에 전원을 공급하여 사용할 수 있으며, 시간과 계절 및 밤낯을구별하지 않고 충전할 수 있는 친환경에너지를 이용한 가로등에 관한 것이다.The present invention relates to a street lamp using the wind power of the vehicle, and more particularly, the energy generated by using the wind generated from the high-speed galloping vehicle can be used by supplying power to a street lamp installed on a road, time, season and night. It relates to a street lamp using eco-friendly energy that can be charged without distinguishing.

종래에도 풍력에 의하여 날개를 회전시켜 발전시킬 수 있도록 한 풍력발전기가 여러종류 공지되어 있으나, 이는 바람에 민감하게 작동되지 못하여 풍력이 약할때는 날개의 회전이 원활하게 이루어지지 못하게 되어 발전량이 감소하게 될 뿐만 아니라, 또한 바람의 방향에 따라 날개의 방향이 변화시에는 날개의 회전관성력이 양호하지 못하여 순간적으로 회전이 정지케되는 등의 문제로 발전량의 향상에 많은 어려움이 따르게 되었다.Conventionally, there are many known wind generators that can generate power by rotating the blades by the wind. However, this does not operate sensitively to the wind, so when the wind is weak, the blades do not rotate smoothly. In addition, when the direction of the wing changes according to the direction of the wind, the rotational inertia of the wing is not good and the rotation is stopped at a moment, such as the problem of improvement in the amount of power generation has been accompanied.

또한 풍력발전은 바람이 불지 않으면 무용지물이기 때문에 에너지의 핵심인 바람이 필요하게 되나 그러한 위치나 지형을 찾기가 어렵고, 찾아도 설치가 어려운 지형에 위치하게 되고, 공간을 차지하게 되는 문제점이 발생되었다.In addition, since wind power is useless if the wind does not blow, the wind, which is the core of energy, is required, but it is difficult to find such a location or terrain, and it is located on a terrain that is difficult to install, and occupies a space.

본 발명의 해결하고자 하는 과제는 바람이 불지 않아도 풍력에너지를 항상 얻을 수 있는 차량의 풍력을 이용한 가로등을 제공하는 데 그 목적이 있다.An object of the present invention is to provide a street lamp using the wind power of the vehicle that can always obtain the wind energy even if the wind does not blow.

본 발명의 다른 목적은 자동차의 진행방향에서 발생되는 바람을 이용하여 수시로 발전할 수 있는 풍력 발전기를 제공하는 데 그 목적이 있다.Another object of the present invention is to provide a wind generator that can be generated at any time using the wind generated in the direction of the vehicle.

본 발명의 과제 해결 수단은 자동차의 진행방향으로 발생되는 풍향을 이용하여 팬이 회전할 수 있도록 수직방향의 브레이드가 등간격으로 배열되고, 상기 브레이드를 통하여 유입된 공기는 가이드라인이 설치된 팬축을 따라 상부로 배출되도록 상부에 배출구를 구성하고, 상부에는 상/하부커버와 커버를 지지하는 지지대와 상기 하부커버는 관통구가 형성되어 공기가 배출되도록 구성하고, 상기 팬축에 연결된 기어와 발전기에 연결된 기어가 맞물려 결합되어 발전이 이루어지도록 구성한 풍력발전기를 중앙분리대에 설치하여 구성하고, 발전된 전기에너지는 축전지에 모아지고, 충전된 에너지를 가로등에 공급하도록 이루어진 특징이 있다.The problem solving means of the present invention is that the braid in the vertical direction is arranged at equal intervals so that the fan can rotate by using the wind direction generated in the traveling direction of the vehicle, the air introduced through the braid along the fan shaft is installed guideline The outlet is configured in the upper portion to be discharged to the upper portion, the upper and lower cover and the support for supporting the cover and the lower cover is configured so that through-holes are formed to discharge air, the gear connected to the fan shaft and the gear connected to the generator Is installed by interlocking with each other to form a wind turbine configured to generate power, and the generated electric energy is collected in a storage battery, and has a characteristic of supplying charged energy to a street lamp.

본 발명은 고속도로에서 질주하는 차량의 풍력에너지를 이용하여 고속도로의 가로등에 공급하여 친환경자원을 활용한 뛰어난 효과가 있다.The present invention has an excellent effect of utilizing environmentally friendly resources by supplying to the streetlights of the highway by using the wind energy of the vehicle galloping on the highway.

고속도로에서 고속질주하는 차량은 강한 바람을 일으키게 됨으로 그러한 바람을 계절과, 날씨에 상관없이 이용하여 풍력발전을 할 수 있도록 구성한 효과가 있다. 또한 다수개의 풍력발전기를 등간격으로 배열하여 서로 벨트로 연결하여 연속적으로 발전이 이루어지도록 함으로서 야간에 작동되는 가로등에 전원을 공급하도록 축전지를 사용한 매우 유용한 효과가 있으므로 에너지산업상 매우 유용한 발명인 것이다. Vehicles that run at high speeds on the highway generate strong winds, so the wind power can be generated by using such winds regardless of season and weather. In addition, it is a very useful invention in the energy industry because there is a very useful effect of using a battery to supply power to the street lamps operated at night by arranging a plurality of wind power generators at equal intervals and connecting them to each other with a belt to continuously generate power.

본 발명의 바람직한 실시예의 차량의 풍력을 이용한 가로등을 첨부된 도면을 참조하여 상세히 설명한다.With reference to the accompanying drawings, a street lamp using the wind power of the vehicle of the preferred embodiment of the present invention will be described in detail.

도 1은 본 발명의 바람직한 실시예의 차량의 풍력을 이용한 가로등을 도시한 사시도이고, 도 2는 본 발명의 차량의 풍력을 이용한 가로등을 도시한 사용상태도이고, 도 3은 본 발명의 차량의 풍력을 이용한 가로등을 축전지에 저장하는 사용상태도이고, 도 4는 본 발명의 다른 실시예의 차량의 풍력을 이용한 가로등을 도시한 사용상태도이다.1 is a perspective view showing a street lamp using the wind power of the vehicle of the preferred embodiment of the present invention, Figure 2 is a state diagram showing a street lamp using the wind power of the vehicle of the present invention, Figure 3 is a wind power of the vehicle of the present invention Figure 4 is a state diagram used to store the used street lamp in the storage battery, Figure 4 is a state diagram showing the street lamp using the wind power of the vehicle of another embodiment of the present invention.

도 1 내지 도 4에 도시한 본 발명의 차량의 풍력을 이용한 가로등는 자동차의 진행방향으로 발생되는 풍향을 이용하여 팬축이 회전할 수 있도록 수직방향의 브레이드(160)가 등간격으로 배열되고, 상기 브레이드를 통하여 유입된 공기는 가이드라인이 설치된 팬축(150)을 따라 상부로 배출되도록 상부에 배출구(210)를 구성하고, 상부에는 상하부커버(100,120)와 상기 커버를 지지하는 지지대(110,130)와 상기 하부커버(120)는 관통구가 형성되어 공기가 배출되도록 구성하고, 상기 팬축(150)에 연결된 기어(190)와 발전기(240)에 연결된 기어(230)가 맞물려 결합되어 발전이 이루어지도록 구성한 풍력발전기(300)를 중앙분리대(400)에 설치하여 구성하고, 발전된 전기에너지는 전선(250)을 통하여 축전지(260)에 모아지고, 충전된 에너지를 가로등(280)에 공급하도록 제어부(270)로 이루어진 특징이 있다.In the street lamp using the wind power of the vehicle of the present invention shown in Figures 1 to 4 are vertically braid 160 is arranged at equal intervals so that the fan shaft rotates by using the wind direction generated in the driving direction of the vehicle, the braid Air introduced through the fan shaft 150 is configured to discharge the upper portion to be discharged to the upper along the upper, upper and lower cover (100, 120) and the support for supporting the cover (110,130) and the lower Cover 120 has a through-hole is formed so that the air is discharged, and the gear 190 connected to the fan shaft 150 and the gear 230 connected to the generator 240 is coupled to the combined wind turbine generator is configured to generate power 300 is installed on the central separator 400, and the generated electrical energy is collected in the storage battery 260 through the wire 250, and the controller 27 to supply the charged energy to the street lamp 280. It is characterized by 0).

풍력발전기(300)는 양방향에서 발생되는 풍력을 이용하도록 중앙분리대(400)에 설치하여 상하행선으로 질주하는 차량에서 발생되는 바람을 이용하도록 구성된다. Wind power generator 300 is installed in the central separator 400 to use the wind generated in both directions is configured to use the wind generated in the vehicle galloping in the up and down line.

팬축(150)은 하부가 가이드라인를 형성하여 바람이 상부로 이동할 수 있도록 구성하여 수직방향으로 배열된 브레이드(160)를 통하여 유입되는 바람은 팬을 회전시키고, 상부의 배출구(210)로 배출되도록 구성하였다.The fan shaft 150 is configured such that the lower portion forms a guideline so that the wind can move upward, and the wind flowing through the braid 160 arranged in the vertical direction rotates the fan and is discharged to the outlet 210 of the upper portion. It was.

브레이드는 상하부하우징(170,180)으로 구성되어 두 하우징의 사이에 브레이드(160)를 등간격으로 배열하여 측면에서 들어오는 바람을 쉽게 받을 수 있도록 수직으로 배열하였다.Braid is composed of the upper and lower housings (170, 180) was arranged vertically to easily receive the wind coming from the side by arranging the braid 160 at equal intervals between the two housings.

또한 양측방향으로 발생되는 바람을 안쪽으로 유입되어 들어옴으로서 팬축을 회전하게 하도록 하고 들어온 공기는 가이드라인을 따라 상부로 올라가서 배출구(210)로 배출되도록 구성하였다.In addition, the fan shaft is rotated by the inflow of wind generated in both directions, and the incoming air is configured to be discharged to the outlet 210 by going up along the guideline.

상부는 상하부커버(100,120)로 구성되어 하부는 관통된 구조로 형성하고, 고정축의 상부에 구성한 축하우징에 지지대로 연결되고 고정하였다.The upper portion is composed of upper and lower covers 100 and 120, and the lower portion is formed in a penetrating structure, and is connected and fixed to a support housing configured at the upper portion of the fixed shaft.

하부에는 받침판(370)을 구성하여 이물질이 하부에 침투하는 것을 방지하도 록 구성하였다.At the bottom, the base plate 370 was configured to prevent foreign matter from penetrating into the bottom.

상부커버(100)는 내부로 빗물 또는 이물질의 침투를 방지하도록 갓모양의 상부커버를 구성하고 지지대(110)가 하부커버의 상부에 설치하여 상부커버를 지탱하록 하였다.The upper cover 100 is configured to cover the top cover of the freshly shaped top cover to prevent rainwater or foreign matter from penetrating into the inside and the support 110 is installed on the top of the lower cover.

브레이드(160)를 고정한 상하부하우징(170)은 팬축(150)에 고정되어 브레이드와 같이 회전하도록 구성하였다. 브레이드는 유입되는 바람을 잘 받도록 깃각을 형성하고 있다.The upper and lower housings 170 fixing the braid 160 are fixed to the fan shaft 150 and configured to rotate together with the braid. The braids form feathers to catch the incoming wind.

팬축의 하부에는 고정하는 지지면에 베어링(190)을 구성하여 저항마찰을 최소화도록 구성하고, 하부에는 기어를 구성하여 발전기의 기어와 맞물리도록 구성하였다.The lower part of the fan shaft is configured to minimize the resistance friction by configuring the bearing 190 to the fixing surface, the lower part was configured to mesh with the gear of the generator by configuring a gear.

상기와 같이 자동차의 바람에 의해서 발생되는 풍력에너지를 이용하여 팬축이 회전되면 발전기가 회전하여 발전하게 되고 발전에 에너지는 축전지에 충전되도록 하여 야간에 사용할 에너지를 충전하도록 구성하였다. 또한 축전지에 충전하지 못하였을 경우에는 외부전원을 사용할 수 있도록 제어부(270)를 구성하여 제어하도록 하였다.As described above, when the fan shaft is rotated using the wind energy generated by the wind of the vehicle, the generator rotates and generates power, and the energy for power generation is configured to charge the energy to be used at night. In addition, when the battery is not charged, the controller 270 is configured and controlled to use an external power source.

도 4에 도시한 본 발명의 다른 실시예는 중앙분리대(310) 내에 설치하여 자동차에서 발생되는 에너지를 모를 수 있도록 벽면에 가이드홈(340)을 형성하여 바람의 유입을 높이고 바람이 빠져나갈 공간을 주지 않고 바람을 수용할 수 있도록 구성하였다.Another embodiment of the present invention shown in Figure 4 is installed in the central separator 310 to form a guide groove 340 on the wall so as not to know the energy generated in the car to increase the inflow of wind and the space to escape the wind It is configured to accommodate the wind without giving.

중앙분리대(260)의 내부면에 풍력발전기(300)를 형성하고, 설치된 중앙 벽면 의 양쪽에는 바람이 들어올수 있도록 벽면에 가이드홈(340)을 양쪽면에 구성하였다. 또한 다수개로 배열된 풍력발전기의 팬축(150)에 벨트(310)로 연결하여 하나의 발전기(240)에 연결하여 연동되도록 구성하고, 상기 팬축에는 팬기어(320)와 풀리(330)으로 구성되고, 두 기어는 라쳇기어를 구성하여 풍력이 발생되지 않는 팬축은 헛돌게하여 동력의 손실을 방지하도록 구성한 특징이 있다.Wind turbines 300 were formed on the inner surface of the central separator 260, and the guide grooves 340 were formed on both sides of the wall to allow wind to enter both sides of the installed central wall. In addition, the fan shaft 150 of the plurality of wind generators are arranged to be connected to the belt 310 by connecting to one generator 240, the fan shaft is composed of a fan gear 320 and the pulley 330 In addition, the two gears constitute a ratchet gear, so that the fan shaft which does not generate wind is inclined to prevent loss of power.

상기와 같이 서로 팬축에 벨트(360)를 연결하여 발생되는 에너지가 연속적으로 이루어 질 수 있도록 함으로서 배이상의 효과를 얻를 수 있도록 구성하였다.As described above, the energy generated by connecting the belt 360 to each other and the fan shaft can be made continuously so that the effect can be more than doubled.

앞에 가는 자동차는 전진하면서 풍력을 전달하고 후방의 차량을 다음 풍력발전기를 회전시키도록 함으로서 연속적으로 팬이 회전하게 되어 발전이 이루어지도록 구성하였다.The front car delivers wind power as it moves forward, and the rear car rotates the next wind turbine so that the fans rotate continuously to generate power.

본 발명은 고속도로에 설치하는 것이 바람직하면 차량이 일정한 속도를 낼 수 있는 구간에 설치하는 것이 바람직하다.If the present invention is preferably installed on the highway, it is preferable to install the vehicle in a section in which a constant speed can be achieved.

이상 살펴본 바와 같이 본 발명은 도면에 도시된 실시 예를 참고로 설명되었으나 이는 예시적인 것에 불과하며 본 기술 분야에서 통상의 지식을 가진 자라면 이로부터 다양한 모양의 변형 및 균등한 타 실시 예가 가능하다는 점을 이해할 것이다. 따라서 본 발명의 진정한 기술적인 보호 범위는 첨부된 청구범위의 기술적 사상에 의해 정해져야 할 것이다.As described above, the present invention has been described with reference to the embodiment illustrated in the drawings, but this is only an example, and those skilled in the art may make various forms of deformation and other equivalent embodiments therefrom. Will understand. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

도 1은 본 발명의 바람직한 실시예의 차량의 풍력을 이용한 가로등을 도시한 사시도.1 is a perspective view showing a street lamp using the wind power of the vehicle of the preferred embodiment of the present invention.

도 2는 본 발명의 차량의 풍력을 이용한 가로등을 도시한 사용상태도.2 is a state diagram showing a street lamp using the wind power of the vehicle of the present invention.

도 3은 본 발명의 차량의 풍력을 이용한 가로등을 축전지에 저장하는 사용상태도.3 is a state diagram used to store the street light using the wind power of the vehicle of the present invention in the storage battery.

도 4는 본 발명의 다른 실시예의 차량의 풍력을 이용한 가로등을 도시한 사용상태도.4 is a state diagram showing a street lamp using the wind power of the vehicle of another embodiment of the present invention.

* 도면의 주용부호에 대한 상세한 설명 *Detailed description of the major symbols in the drawings

100,120 : 상하부커버 110,130 : 지지대100,120: upper and lower cover 110,130: support

140 : 축하우징 150 : 팬축140: celebration housing 150: fan shaft

160 : 브레이드 170,180 : 상하부하우징160: braid 170,180: upper and lower housing

190 : 베어링 200,230 : 기어190: bearing 200,230: gear

210 : 배출구 220 : 하우징지지대210: outlet 220: housing support

240 : 발전기 250 : 전선240: generator 250: wire

260 : 축전지 270 : 제어판260 storage battery 270 control panel

280 : 가로등 300 : 풍력발전기280: street light 300: wind power generator

Claims (2)

자동차의 진행방향으로 발생되는 풍향을 이용하여 팬축이 회전할 수 있도록 수직방향의 브레이드가 등간격으로 배열되고, 상기 브레이드를 통하여 유입된 공기는 가이드라인이 설치된 팬축을 따라 배출되도록 상부에 배출구를 구성하고, 상부에는 상하부커버와 커버를 지지하는 지지대와 상기 하부커버는 관통구가 형성되어 공기가 배출되도록 구성하고,Braids in the vertical direction are arranged at equal intervals so that the fan shaft can rotate by using the wind direction generated in the driving direction of the vehicle, and the air introduced through the braid is configured to discharge along the fan shaft where the guide line is installed. And, the upper and lower cover and the support for supporting the cover and the lower cover is formed so that the air through the through hole is formed, 상기 팬축에 연결된 기어와 발전기에 연결된 기어가 맞물려 결합되어 발전이 이루어지도록 구성한 풍력발전기를 중앙분리대에 등간격으로 설치하여 구성하고, The gears connected to the fan shaft and the gears connected to the generator are coupled to each other to form a wind turbine configured to generate power at equal intervals in the central separator, 발전된 전기에너지는 축전지에 모아지고, 충전된 에너지를 가로등에 공급하도록 제어부를 이루어진 것을 특징으로 하는 차량의 풍력을 이용한 가로등.The generated electric energy is collected in the storage battery, the street light using the wind of the vehicle, characterized in that the control unit is configured to supply the charged energy to the street light. 제 1항에 있어서, 상기 풍력발전기를 The method of claim 1, wherein the wind power generator 중앙분리대의 중앙 벽면에 구성하고 벽면의 양쪽에는 바람이 들어올 수 있도록 벽면에 가이드홈을 양쪽면에 구성하고,It is configured on the central wall of the median divider, and on both sides of the wall, guide grooves are formed on both sides of the wall so that the wind can enter. 다수개로 배열된 풍력발전기의 팬축에 밸트로 연결하여 하나의 발전기에 연결하여 연동되도록 구성하고, 상기 팬축에는 구성한 풀리는 라쳇기어를 구성하여 풍력이 발생되지 않는 팬축은 헛돌게하여 동력의 손실을 방지하도록 구성한 것을 특징으로 하는 차량의 풍력을 이용한 가로등.It is connected to the fan shafts of a plurality of wind generators arranged in a belt to be connected to one generator and linked to the generator, and the pulley constitutes a ratchet gear to prevent the loss of power by turning the fan shaft without wind generated. Street light using wind power of the vehicle, characterized in that the configuration.
KR1020090006393A 2009-01-28 2009-01-28 Streetlight using wind power of vehicles KR100981365B1 (en)

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