WO2018044115A1 - Smart pole using new renewable energy - Google Patents

Smart pole using new renewable energy Download PDF

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Publication number
WO2018044115A1
WO2018044115A1 PCT/KR2017/009593 KR2017009593W WO2018044115A1 WO 2018044115 A1 WO2018044115 A1 WO 2018044115A1 KR 2017009593 W KR2017009593 W KR 2017009593W WO 2018044115 A1 WO2018044115 A1 WO 2018044115A1
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WIPO (PCT)
Prior art keywords
wind
wind speed
motor
power
blade
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PCT/KR2017/009593
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French (fr)
Korean (ko)
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송장훈
유경성
지인호
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(주)정광기업
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Publication of WO2018044115A1 publication Critical patent/WO2018044115A1/en

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S10/00PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
    • H02S10/10PV power plants; Combinations of PV energy systems with other systems for the generation of electric power including a supplementary source of electric power, e.g. hybrid diesel-PV energy systems
    • H02S10/12Hybrid wind-PV energy systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D17/00Monitoring or testing of wind motors, e.g. diagnostics
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D9/00Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/10Combinations of wind motors with apparatus storing energy
    • F03D9/11Combinations of wind motors with apparatus storing energy storing electrical energy
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E70/00Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30Systems combining energy storage with energy generation of non-fossil origin

Definitions

  • the present invention relates to a smart pole using renewable energy for stably supplying power to a facility such as a street lamp or a communication base station installed on a pole using a solar light and a wind power, or a surveillance camera for a border post.
  • the motor can be connected to or disconnected from the blade rotation shaft by the signal of the wind speed sensor. As the blade is moved by the motor and rotated by the low speed wind and the driving force of the motor to produce a constant electric power, and when the wind speed is above a certain speed, the spindle gear automatically retracts to connect the motor and the blade shaft. It can be released.
  • This electricity is stored in the battery and used when needed. Street lamps are used to light up the night.
  • Solar panels receive sunlight and convert solar energy into electrical energy, and wind turbines convert wind into electrical energy and accumulate in storage batteries.
  • mainly used storage batteries are DC12V or DC24V lead-acid batteries.
  • Korea if there is a difference in power generation voltage according to wind power using a storage battery can not be used efficiently.
  • Korea's average annual wind speed is 3 ⁇ 4m / sec, but it does not exceed 3m / sec when the southeast monsoon or southwest monsoon blows, except when the typhoon passes from spring to summer and autumn.
  • the average is 7-8m / sec, and in many cases it reaches 12m / sec. Since the generated voltage is four times different from when the wind is blowing at 3m / sec and when the wind is blowing at 12m / sec, the whole cannot be stored in the battery.
  • the wind turbine when the wind power generator focuses on the low wind speed, in order to protect the battery at the high wind speed, the wind turbine is not connected to the battery by blocking electricity generated from the wind power generator by the controller.
  • wind turbines focused on high wind speeds are not stored in batteries because electricity generated at low wind speeds is low.
  • the conventional wind power generator does not use over a wide range of wind speeds and generates power only in a very narrow range of wind speeds, thereby storing them in a storage battery, which is inefficient and has a problem that cannot withstand high wind speeds.
  • Patent Literature 1 can be used in a wide range from low wind speed to high wind speed regardless of the wind strength, and the front surface of the hub is flat so that it can stably develop a constant voltage regardless of the change in the strength of the wind speed.
  • the direction plate that catches the direction of wind blowing is combined with the vertical axis of the broadband wind turbine tilted and inclined.
  • Hybrid that can be used in wide range of low speed or high speed by increasing the energy accumulation efficiency by stably developing a voltage of a certain width due to the change of the area receiving wind as the rotation is made to the point where the rotational force that the wind wants to rotate is matched.
  • Broadband wind turbines for streetlights are disclosed.
  • Patent Document 2 discloses a small size of the wind power generator to reduce starting wind speed and rated wind speed so that it can be started in various directions and breezes, and combines a small wind power generator and a solar power system in parallel to form a hybrid power generation system. Likewise, if it is impossible to generate electricity by solar power, wind power is used, and when it is impossible to generate electricity by wind, such as on a clear day without wind, it uses solar resources to supply power to loads such as street lamps, communication base stations, and unmanned cameras by uninterrupted power. A hybrid power generation system using photovoltaic and wind power has been disclosed.
  • Patent Literature 3 discloses street lamps that produce driving power by self-power generation.
  • the power generation method uses a combination of photovoltaic power generation and wind power generation, but does not affect the position of the sun.
  • a streetlight pole equipped with a hybrid power generation device to which a wind power generation means having a structure not affected by wind speed is disclosed.
  • Patent Document 4 describes a method for controlling such electric power when the electric power generated by using solar power generation by solar cell and wind power generation by windmill is used as the power of street light. There is disclosed a hybrid streetlight power control method that can maintain a stable hybrid system through the production of the required power through the control of overvoltage and overwind speed, and can reduce the use of power through the control of the power used.
  • Patent Document 1 Korea Utility Model Model No. 20-0384140 (registered on May 03, 2005) Broadband wind power generator for hybrid street light
  • Patent Document 2 Korean Registered Patent No. 10-0694485 (registered on March 07, 2007) Hybrid power generation system using solar and wind power
  • Patent Document 3 Korean Patent No. 10-0863235 (registered on October 27, 2008) Street lamp with hybrid power generation device
  • Patent Document 4 Korean Patent Registration No. 10-1552099 (2015.09.04. Registration) Power control method of hybrid street light
  • the present invention has been made to solve the above problems, an object of the present invention in the power generation system using the solar light and wind power, even if the wind speed is low to give the driving force to the blade to the battery by the driving force of the motor and low wind speed
  • the present invention uses smart and renewable energy for supplying power to electric facilities such as street lamps or communication base stations installed on poles or surveillance cameras for guard stations using solar and wind power. If the signal of the polo and wind speed sensor is lower than the set wind speed, the motor is operated so that the blade is rotated by the low speed wind and the driving force of the motor to produce a constant power, and the wind speed detected by the wind speed sensor is higher than the set wind speed.
  • the case provides a smart pole that uses renewable energy that is configured so that the motor is stopped and the blades rotate only with the wind.
  • the present invention is able to generate power regardless of the wind speed in Korea, which has a climatic characteristic that the wind speed is not constant according to the season or time, and combined with the solar light to produce power to accumulate in the storage battery to connect the grid power It can be used to supply stable power 24 hours a day, seven days a week for street lamps, communication base stations, or border guard cameras in difficult areas.
  • FIG. 1 is a front configuration diagram of a smart pole according to the present invention.
  • FIG. 2 is a side configuration diagram of a smart pole according to the present invention.
  • FIG. 4 is a plan view illustrating a connection state between a blade, a shaft, and a driving motor of the wind power generator head shown in FIG. 3.
  • FIG. 1 to 4 illustrate a configuration of a smart pole using renewable energy according to an embodiment of the present invention.
  • the smart pole according to the present embodiment is for supplying electric power such as a street lamp 10 installed on a pole 11 or a communication base station or a surveillance camera for border guard using solar light and wind power.
  • the motor 3 When the signal of the wind speed sensor, not shown, is lower than the set wind speed, the motor 3 is connected to the shaft 5 of the blade 1 coupled to the generator 4 by the advance of the spindle gear 21. It is rotated by the low speed wind and the driving force of the motor 3 to produce a constant electric power.
  • the spindle gear 21 retreats to retract the motor 3 and the blade ( It is configured to rotate only by the wind by releasing the connection with the shaft 5 of 1).
  • the spindle gear 22 is fixed to the blade 1 by the connecting plate 2, and the spindle gear 21 axially coupled to the motor 3 on the opposite side of the spindle gear 22.
  • the motor (3) is rotated to drive the sliding motion forward while being engaged to the spindle gear 22 to rotate the shaft (1) by rotating the blade (1) the generator (5) is driven to drive power It is supposed to be produced.
  • Forward and backward of the spindle gear 21 can be used in the same manner as in the starting motor of the vehicle, which is configured to advance the spindle gear by supplying electricity to the solenoid coil (not shown) simultaneously with the driving of the motor (3).
  • the solenoid coil not shown
  • forward and backward movement can be made by a variety of mechanical and electrical mechanisms of course.
  • the motor (3) is connected to the shaft (5) connected to the blade (1) is configured to be connected and disconnected as necessary, if the wind speed is 0 ⁇ 2m / sec or less, because the wind power generation efficiency of the motor (3) It is not necessary to start and if the blade 1 is started from the wind speed 2m / sec to 5m / sec, and centrifugal force is generated, the power output from the generator 4 is higher than the power consumption of driving the motor 3. As the wind speed increases, power generation is possible at low wind speeds. If the wind speed is 5 m / sec or more, the blades can be rotated at a speed suitable for power generation only by the natural wind speed, thereby stopping the power supplied to the motor (3). At the same time, the spindle gear 21 is retracted to release the connection state between the motor 3 and the shaft 5.
  • the wind speed sensor may use a general small anemometer
  • the small anemometer is a method of measuring the output of the generator in terms of the wind speed by rotating the cup-shaped wings to drive the generator, in addition to the hot wire anemometer Can also be used.
  • the motor 3, the generator 4 and the pinion gears 21 and 22 are accommodated inside the head cover 6, and the head cover 6 has a rotating sheet at an upper end of the support 11. It is possible to rotate according to the wind direction 7), the head cover 6 is stably supported by the head support (8) erected in an oblique direction, the rotation sheet 70 on the support (11) The rotational movement is performed within the range of 60 degrees, and the automatic adjustment of the direction angle according to the wind direction is made, and the blow operation is performed in the event of a gust of wind, such as a typhoon, to prevent damage to the blade.
  • a gust of wind such as a typhoon
  • the street lamp 10 is using a laser diode as a light source to maximize the diffusion of light at the same time to increase the energy efficiency instead of conventional incandescent lamp (incandescent lamp or mercury lamp), this laser diode Using a combination of low-cost red, green and blue monochromatic wavelengths irradiate the light as far as possible, but by irradiating a laser beam to form a laser area on the subject by the haze, cloudiness, yellow dust, haze caused by air pollution It is desirable to be able to identify subjects in spite of various climate changes, and thus it is possible to investigate even curved or concealed areas, and to use energy-efficient by using low-cost laser diodes and reducing power consumption compared to conventional LED street lights. Can be maximized.
  • the storage battery is embedded in the distribution storage box 12 of the bottom of the support (11), which is composed of an independent energy storage system (ENERGY STORAGE SYSTEM) is stable to the street light, communication repeater or surveillance camera installed in the support (11) It will supply power.
  • ENERGY STORAGE SYSTEM an independent energy storage system
  • the blade 1, the head cover 6, the support 11, the power distribution storage box 12, etc. are applied to the 'applicable for the renewable energy generator' of the Patent No. 10-1180709 of the applicant.
  • a thermosetting polydisclopentadiene (PDCPD) impregnated with a nano-material containing carbon nanotubes as disclosed material can improve the strength and durability compared to conventional metals or FRP, in particular the interior of the pillar (11)
  • the waste synthetic resin can be recycled and filled to reduce the manufacturing cost and to recycle the material at the end of its service life.
  • the smart pole combines solar and wind power to supply power required for a street lamp, a wireless base station or a surveillance camera, and connects a motor to the blade rotating shaft with a spindle gear according to a signal of a wind speed sensor.
  • the spindle gear is moved while the motor is running, so that the blade is started by the motor and rotated by the low speed wind and the driving force of the motor to produce a constant power. If the wind speed is above a certain speed, the spindle gear is automatically retracted to disconnect the motor and the blade shaft, enabling effective wind power generation even at low wind speeds. In underdeveloped areas There is an advantage that can effectively operate the equipment.

Abstract

The present invention relates to a smart pole, using new renewable energy, for supplying electric power to an electric facility installed on a pole, such as a streetlight, a communication base station, or a surveillance camera for a guard post, by using sunlight and wind power. The smart pole is configured such that, when a signal of a wind speed sensing sensor indicates a wind speed lower than a predetermined wind speed, a spindle gear moves forward to connect a motor to a blade shaft and thus rotation is made by low-speed wind and a driving force of the motor, thereby generating predetermined electric power; and, when wind speed sensed by the wind speed sensing sensor is higher than a predetermined wind speed, the spindle gear moves backward so as to disconnect the motor and the blade shaft.

Description

신재생에너지를 사용하는 스마트 폴Smart poles using renewable energy
본 발명은 태양광과 풍력을 이용하여 지주(Pole) 위에 설치된 가로등이나 통신기지국 또는 경계 초소용 감시카메라와 같은 설비에 안정적으로 전력을 공급하기 위한 신재생 에너지를 사용하는 스마트 폴에 관한 것으로, 특히 낮은 풍속에서도 효과적인 풍력발전이 가능하도록 풍속 감지센서의 신호에 따라 블레이드 회전축에 모터를 스핀들 기어로 연결하거나 연결상태를 해제할 수 있도록 한 것으로, 풍속이 설정된 속도보다 느린 경우 모터를 가동시키면서 스핀들 기어를 전진시켜 블레이드가 모터에 의해 기동되면서 저속의 바람과 모터의 구동력에 의해 회전되면서 일정한 전력을 생산할 수 있도록 하고, 풍속이 일정 속도 이상인 경우에는 자동으로 스핀들 기어가 후퇴하여 모터와 블레이드 축과의 연결을 해제할 수 있도록 한 것이다.The present invention relates to a smart pole using renewable energy for stably supplying power to a facility such as a street lamp or a communication base station installed on a pole using a solar light and a wind power, or a surveillance camera for a border post. In order to enable effective wind power generation even at low wind speed, the motor can be connected to or disconnected from the blade rotation shaft by the signal of the wind speed sensor. As the blade is moved by the motor and rotated by the low speed wind and the driving force of the motor to produce a constant electric power, and when the wind speed is above a certain speed, the spindle gear automatically retracts to connect the motor and the blade shaft. It can be released.
화석에너지의 고갈 및 원자력 에너지의 잠재된 위험성을 회피하기 위하여 사람들은 공해가 없으면서 지속적으로 발전이 가능한 태양광과 바람의 힘을 전기로 바꿔 이용하고 있는데, 이러한 태양광과 풍력은 물이나 지열 등을 포함하여 신재생에너지로 불리는데, 자연에 존재하는 에너지로 무한히 공급되는 특징이 있다. In order to avoid the depletion of fossil energy and the potential danger of nuclear energy, people are converting the power of solar and wind that can be continuously generated without pollution into electricity. In addition, it is called renewable energy, and it is characterized by infinite supply of energy existing in nature.
이렇게 발전된 전기는 축전지에 축적되었다가 필요한 때 사용하게 되는데, 가로등의 경우는 밤에 어두움을 밝히는데 사용된다.This electricity is stored in the battery and used when needed. Street lamps are used to light up the night.
태양전지판은 햇볕을 받아 태양광 에너지를 전기 에너지로 바꿔주고, 풍력발전기는 바람을 전기 에너지로 바꾸어 축전지에 축적하게 된다. 그리고 여기서 주로 사용되는 축전지는 DC12V 또는 DC24V 연축전지를 사용하고 있다.Solar panels receive sunlight and convert solar energy into electrical energy, and wind turbines convert wind into electrical energy and accumulate in storage batteries. In this case, mainly used storage batteries are DC12V or DC24V lead-acid batteries.
한편, 우리나라는 축전지를 이용하여 풍력에 따라 발전 전압의 차이가 있는 경우는 효율적으로 사용할 수 없다. 예로 우리나라의 전체적인 연평균 풍속은 3~4m/sec이지만, 봄부터 여름을 지나 가을까지는 태풍이 지나갈 때를 제외하고는 남동 계절풍이나 남서 계절풍이 불때는 3m/sec를 넘지 않는다. 그러나 겨울철이 되어 북서 계절풍이 불때는 평균 7~8m/sec가 되고, 많을 때는 12m/sec에 달할 때도 있다. 풍력발전기에서 3m/sec의 바람이 불때와 12m/sec바람이 불때와는 발생 전압이 4배나 차이가 나게 되므로 전체를 축전지에 저장시킬 수 없다. 따라서 풍력발전기는 저풍속에 초점을 맞추게 되면 고풍속에서는 축전지를 보호하기 위하여 컨트롤러에 의해서 풍력발전기에서 발생하는 전기를 차단하여 축전지에 연결하지 않는다. 또한 고풍속에 초점을 맞춘 풍력발전기는 저풍속에서 발생된 전기는 전압이 낮아서 축전지에 저장되지 않는다. On the other hand, in Korea, if there is a difference in power generation voltage according to wind power using a storage battery can not be used efficiently. For example, Korea's average annual wind speed is 3 ~ 4m / sec, but it does not exceed 3m / sec when the southeast monsoon or southwest monsoon blows, except when the typhoon passes from spring to summer and autumn. However, when the northwest monsoon winds during the winter season, the average is 7-8m / sec, and in many cases it reaches 12m / sec. Since the generated voltage is four times different from when the wind is blowing at 3m / sec and when the wind is blowing at 12m / sec, the whole cannot be stored in the battery. Therefore, when the wind power generator focuses on the low wind speed, in order to protect the battery at the high wind speed, the wind turbine is not connected to the battery by blocking electricity generated from the wind power generator by the controller. In addition, wind turbines focused on high wind speeds are not stored in batteries because electricity generated at low wind speeds is low.
이렇듯 종래의 풍력발전기는 넓은 범위의 풍속에 걸쳐 사용하지 못하고 지극히 좁은 범위의 풍속에서만 발전하여 축전지에 저장시키므로 비효율적이며, 고풍속에서 견디지 못하는 문제점이 있다.As described above, the conventional wind power generator does not use over a wide range of wind speeds and generates power only in a very narrow range of wind speeds, thereby storing them in a storage battery, which is inefficient and has a problem that cannot withstand high wind speeds.
특허문헌 1에는 바람의 세기에 상관없이 저풍속에서 고풍속까지 넓은 범위에서 사용이 가능하고 풍속의 강도 변화에 상관없이 안정적으로 일정한 전압을 발전시킬 수 있도록 허브의 전면을 평편하게 하여 바람을 저항을 받게 하고, 바람의 불어오는 방향을 잡아 주는 방향판이 광대역 풍력발전기의 수직중심축이 어긋나면서 기울어지게 결합하여 바람의 속도 변화에 따라 바람 저항을 받는 허브가 회전하는 회전력과 기울어져서 중력이 미치는 방향판을 바람이 회전시키려는 회전력이 일치하는 지점까지 회전이 이루어지면서 풍력을 받는 면적의 변화로 인하여 일정한 폭의 전압을 안정적으로 발전시켜 에너지 축적 효율을 높이고, 저속 혹은 고속의 넓은 범위에서 사용될 수 있도록 한 하이브리드 가로등용 광대역 풍력발전기가 개시되어 있다.Patent Literature 1 can be used in a wide range from low wind speed to high wind speed regardless of the wind strength, and the front surface of the hub is flat so that it can stably develop a constant voltage regardless of the change in the strength of the wind speed. The direction plate that catches the direction of wind blowing is combined with the vertical axis of the broadband wind turbine tilted and inclined. Hybrid that can be used in wide range of low speed or high speed by increasing the energy accumulation efficiency by stably developing a voltage of a certain width due to the change of the area receiving wind as the rotation is made to the point where the rotational force that the wind wants to rotate is matched. Broadband wind turbines for streetlights are disclosed.
특허문헌 2에는 풍력발전기를 소형화함으로써 기동풍속과 정격풍속을 작게 하여 다양한 방향과 미풍에서도 기동이 가능하게 하고, 소형의 풍력발전기와 태양광 발전시스템을 병렬로 결합하여 하이브리드 발전시스템을 구성함으로써 우천시와 같이 태양광으로 발전이 불가능한 경우에는 풍력자원을 활용하고, 바람이 없는 맑은날과 같이 풍력으로 발전이 불가능한 경우에는 태양광자원을 활용하여 무정전으로 가로등, 통신기지국, 무인카메라 등과 같은 부하에 전력을 공급할수 있도록 한 태양광과 풍력을 이용한 하이브리드 발전시스템이 개시되어 있다. Patent Document 2 discloses a small size of the wind power generator to reduce starting wind speed and rated wind speed so that it can be started in various directions and breezes, and combines a small wind power generator and a solar power system in parallel to form a hybrid power generation system. Likewise, if it is impossible to generate electricity by solar power, wind power is used, and when it is impossible to generate electricity by wind, such as on a clear day without wind, it uses solar resources to supply power to loads such as street lamps, communication base stations, and unmanned cameras by uninterrupted power. A hybrid power generation system using photovoltaic and wind power has been disclosed.
특허문헌 3에는 자가발전 방식에 의해 구동전원을 자체 생산하는 가로등주에 있어서, 발전 방식은 태양광 발전과 풍력 발전을 복합적으로 사용하되 태양의 위치에 영향을 받지 않는 구조의 태양광 발전수단과, 풍향 및 풍속에 영향을 받지 않는 구조의 풍력 발전수단을 적용한 하이브리드 발전장치가 구비된 가로등주가 개시되어 있다. Patent Literature 3 discloses street lamps that produce driving power by self-power generation. The power generation method uses a combination of photovoltaic power generation and wind power generation, but does not affect the position of the sun. And a streetlight pole equipped with a hybrid power generation device to which a wind power generation means having a structure not affected by wind speed is disclosed.
특허문헌 4에는 태양전지에 의한 태양광발전과 풍차에 의한 풍력발전을 동시에 이용하여 생산된 전력을 가로등의 전력으로 사용할 경우 이러한 전력을 제어하는 방법으로써, 본 발명에 의한 전력제어방법은 승압제어를 통한 필요전력의 생산과 과전압 제어와 과풍속에 대한 제어를 통해 안정적인 하이브리드 시스템을 유지할 수 있으며, 사용전력의 제어를 통해 전력의 사용을 줄일 수 있는 하이브리드 가로등의 전력제어방법이 개시되어 있다.Patent Document 4 describes a method for controlling such electric power when the electric power generated by using solar power generation by solar cell and wind power generation by windmill is used as the power of street light. There is disclosed a hybrid streetlight power control method that can maintain a stable hybrid system through the production of the required power through the control of overvoltage and overwind speed, and can reduce the use of power through the control of the power used.
한편, 상술한 종래기술에 의한 태양광과 풍력을 병합한 하이브리드 발전시스템을 실제 운용함에 있어서, 매우 낮은 풍속에서는 로터가 회전할 수 있는 기동력이 발생하지 않음으로써 풍력발전에 의한 전력생산이 불가능하게 되어 거의 대부분 태양광에만 의존하게 되는 상황이 발생함으로써 가로등이나 통신기지국 또는 감시카메라 등의 장치에 지속적으로 안정적인 전력을 공급하는데 차질이 발생하게 되는 문제점이 있으므로 풍속이 느린 경우에도 이를 최대한 이용하여 풍력발전에 의한 전력생산이 가능하도록 개선하는 것이 필요하다.On the other hand, in the actual operation of the hybrid power generation system incorporating the solar light and wind according to the prior art described above, power generation by wind power generation is impossible because the driving force for the rotor can rotate at a very low wind speed is not generated. Most of the time, there is a problem in that it depends on the solar light only, so that there is a problem of continuously supplying stable power to a device such as a street lamp, a communication base station, or a surveillance camera. It is necessary to improve the power generation by
[선행기술문헌][Preceding technical literature]
[특허문헌][Patent Documents]
(특허문헌 1) 한국등록실용신안 제20-0384140호(2005.05.03.등록) 하이브리드 가로등용 광대역 풍력발전기(Patent Document 1) Korea Utility Model Model No. 20-0384140 (registered on May 03, 2005) Broadband wind power generator for hybrid street light
(특허문헌 2) 한국등록특허 제10-0694485호(2007.03.07.등록) 태양광과 풍력을 이용한 하이브리드 발전시스템(Patent Document 2) Korean Registered Patent No. 10-0694485 (registered on March 07, 2007) Hybrid power generation system using solar and wind power
(특허문헌 3) 한국등록특허 제10-0863235호(2008.10.27.등록) 하이브리드 발전장치가 구비된 가로등주(Patent Document 3) Korean Patent No. 10-0863235 (registered on October 27, 2008) Street lamp with hybrid power generation device
(특허문헌 4) 한국등록특허 제10-1552099호(2015.09.04.등록) 하이브리드 가로등의 전력제어방법(Patent Document 4) Korean Patent Registration No. 10-1552099 (2015.09.04. Registration) Power control method of hybrid street light
본 발명은 상기한 문제점을 해결하기 위하여 안출된 것으로, 본 발명의 목적은 태양광과 풍력을 이용하는 발전시스템에서, 풍속이 낮은 경우에도 블레이드에 기동력을 부여하여 모터의 기동력과 낮은 풍속에 의해 배터리에 충전이 가능한 전력생산이 가능하도록 함으로써 가로등이나 통신기지국 또는 감시카메라 등의 장치에 지속적으로 안정적인 전력을 공급하는데 차질이 없도록 하는 데 있다.The present invention has been made to solve the above problems, an object of the present invention in the power generation system using the solar light and wind power, even if the wind speed is low to give the driving force to the blade to the battery by the driving force of the motor and low wind speed By enabling the generation of power that can be charged, there is no obstacle in continuously supplying stable power to devices such as street lamps, communication base stations or surveillance cameras.
상기한 목적을 달성하기 위하여 본 발명은 태양광과 풍력을 이용하여 지주(Pole) 위에 설치된 가로등이나 통신기지국 또는 경계 초소용 감시카메라 등의 전기설비에 전력을 공급하기 위한 신재생 에너지를 사용하는 스마트 폴로, 풍속 감지센서의 신호가 설정된 풍속보다 낮은 풍속이면 모터를 가동시켜 블레이드가 저속의 바람과 모터의 구동력에 의해 회전되어 일정한 전력을 생산할 수 있도록 하고, 풍속 감지센서에서 감지된 풍속이 설정된 풍속 이상인 경우에는 모터가 정지되고 풍력만으로 블레이드가 회전되도록 구성된 신재생 에너지를 사용하는 스마트 폴을 제공한다.In order to achieve the above object, the present invention uses smart and renewable energy for supplying power to electric facilities such as street lamps or communication base stations installed on poles or surveillance cameras for guard stations using solar and wind power. If the signal of the polo and wind speed sensor is lower than the set wind speed, the motor is operated so that the blade is rotated by the low speed wind and the driving force of the motor to produce a constant power, and the wind speed detected by the wind speed sensor is higher than the set wind speed. The case provides a smart pole that uses renewable energy that is configured so that the motor is stopped and the blades rotate only with the wind.
바람직한 실시 예에서는 블레이드의 축에 모터를 스핀들 기어의 전진에 의해 연결하여 저속의 바람과 모터의 구동력에 의해 회전되어 일정한 전력을 생산할 수 있도록 하고, 풍속 감지센서에서 감지된 풍속이 설정된 풍속 이상인 경우에는 스핀들 기어가 후퇴되도록 하여 모터와 블레이드 축과의 연결을 해제하도록 구성한다.In a preferred embodiment, by connecting the motor to the shaft of the blade by the advance of the spindle gear to rotate by the low-speed wind and the driving force of the motor to produce a constant power, if the wind speed detected by the wind speed sensor is more than the set wind speed Allow the spindle gear to retract and disconnect the motor from the blade shaft.
본 발명은 계절이나 시간에 따라서 풍속이 일정하지 않는 기후특성을 갖는 우리나라에서 풍속에 상관없이 일정하게 발전이 가능하고, 여기에 태양광과 조합하여 전력을 생산하여 축전지에 축적하여 계통전력의 연결이 어려운 지역의 가로등이나 통신기지국 또는 경계 초소용 감시카메라에 주야불문 24시간 안정적인 전력을 공급할 수 있는 유용한 효과가 있다.The present invention is able to generate power regardless of the wind speed in Korea, which has a climatic characteristic that the wind speed is not constant according to the season or time, and combined with the solar light to produce power to accumulate in the storage battery to connect the grid power It can be used to supply stable power 24 hours a day, seven days a week for street lamps, communication base stations, or border guard cameras in difficult areas.
도 1은 본 발명에 의한 스마트 폴의 정면 구성도,1 is a front configuration diagram of a smart pole according to the present invention;
도 2는 본 발명에 의한 스마트 폴의 측면 구성도, 2 is a side configuration diagram of a smart pole according to the present invention;
도 3은 풍력발전부의 확대도,3 is an enlarged view of the wind power generation unit,
도 4는 도 3에 도시된 풍력발전 헤드의 블레이드와 축 및 구동모터의 연결상태를 도시한 평면도이다.FIG. 4 is a plan view illustrating a connection state between a blade, a shaft, and a driving motor of the wind power generator head shown in FIG. 3.
이하, 본 발명을 한정하지 않는 바람직한 실시 예를 첨부된 도면에 의하여 상세히 설명하기로 한다.Hereinafter, with reference to the accompanying drawings, preferred embodiments that do not limit the present invention will be described in detail.
도 1 내지 도 4에는 본 발명의 일 실시 예에 의한 신재생 에너지를 사용하는 스마트 폴의 구성이 도시되어 있다.1 to 4 illustrate a configuration of a smart pole using renewable energy according to an embodiment of the present invention.
도시된 바와 같이 본 실시 예에 의한 스마트 폴은 태양광과 풍력을 이용하여 지주(11; Pole) 위에 설치된 가로등(10)이나 통신기지국 또는 경계 초소용 감시카메라 등의 전기설비에 전력을 공급하기 위한 것으로, 도시 생략된 풍속 감지센서의 신호가 설정된 풍속보다 낮은 풍속이면 발전기(4)에 결합된 블레이드(1)의 축(5)에 모터(3)를 스핀들 기어(21)의 전진에 의해 연결하여 저속의 바람과 모터(3)의 구동력에 의해 회전되어 일정한 전력을 생산할 수 있도록 하고, 풍속 감지센서에서 감지된 풍속이 설정된 풍속 이상인 경우에는 스핀들 기어(21)가 후퇴하여 모터(3)와 블레이드(1)의 축(5)과의 연결을 해제하여 바람에 의해서만 회전되도록 구성되어 있다.As shown, the smart pole according to the present embodiment is for supplying electric power such as a street lamp 10 installed on a pole 11 or a communication base station or a surveillance camera for border guard using solar light and wind power. When the signal of the wind speed sensor, not shown, is lower than the set wind speed, the motor 3 is connected to the shaft 5 of the blade 1 coupled to the generator 4 by the advance of the spindle gear 21. It is rotated by the low speed wind and the driving force of the motor 3 to produce a constant electric power. When the wind speed detected by the wind speed sensor is higher than the set wind speed, the spindle gear 21 retreats to retract the motor 3 and the blade ( It is configured to rotate only by the wind by releasing the connection with the shaft 5 of 1).
본 실시 예에서, 상기 블레이드(1)에는 스핀들 기어(22)가 연결판(2)으로 고정되어 있고, 상기 스핀들 기어(22)의 맞은 편에는 모터(3)에 축결합된 스핀들 기어(21)가 구비되어 있어 모터(3)가 회전구동하게 될 때 전방으로 슬라이딩 되면서 상기 스핀들 기어(22)에 맞물리게 되어 블레이드(1)를 회전시킴으로써 축(5)이 회전하여 발전기(5)가 구동되어 전력이 생산되도록 되어 있다.In the present embodiment, the spindle gear 22 is fixed to the blade 1 by the connecting plate 2, and the spindle gear 21 axially coupled to the motor 3 on the opposite side of the spindle gear 22. When the motor (3) is rotated to drive the sliding motion forward while being engaged to the spindle gear 22 to rotate the shaft (1) by rotating the blade (1) the generator (5) is driven to drive power It is supposed to be produced.
상기 스핀들 기어(21)의 전진과 후퇴는 자동차의 기동 전동기에서와 같은 방식을 사용할 수 있는데, 이는 모터(3)의 구동과 동시에 도시 생략된 솔레노이드코일에 전기가 공급되어 스핀들 기어를 전진시키도록 구성할 수 있으며, 이 외에도 다양한 기계적, 전기적인 메커니즘에 의해 전진 및 후퇴동작이 이루어질 수 있도록 할 수 있음은 물론이다.Forward and backward of the spindle gear 21 can be used in the same manner as in the starting motor of the vehicle, which is configured to advance the spindle gear by supplying electricity to the solenoid coil (not shown) simultaneously with the driving of the motor (3). In addition to this, in addition to the forward and backward movement can be made by a variety of mechanical and electrical mechanisms of course.
본 발명에서는 블레이드(1)에 연결된 축(5)에 모터(3)가 필요에 따라 접속 및 분리가 가능하도록 구성되어 있는바, 풍속이 0~2m/sec이하인 경우에는 풍력발전의 효용성이 없으므로 모터(3) 기동을 할 필요가 없고, 풍속 2m/sec부터 5m/sec까지는 블레이드(1)를 기동시키고 원심력이 발생하게 되면 발전기(4)에서 출력되는 전력이 모터(3)를 구동시키는 소비전력보다는 높아지게 되므로 낮은 풍속에서도 발전이 가능하게 되며, 풍속이 5m/sec이상인 경우에는 자연적인 바람의 속도만으로도 블레이드를 충분히 전력생산에 적합한 속도로 회전시킬 수 있으므로 모터(3)에 공급되는 전력을 중단시킴과 동시에 스핀들 기어(21)를 후퇴시켜 모터(3)와 축(5)간의 연결상태를 해제한다.In the present invention, the motor (3) is connected to the shaft (5) connected to the blade (1) is configured to be connected and disconnected as necessary, if the wind speed is 0 ~ 2m / sec or less, because the wind power generation efficiency of the motor (3) It is not necessary to start and if the blade 1 is started from the wind speed 2m / sec to 5m / sec, and centrifugal force is generated, the power output from the generator 4 is higher than the power consumption of driving the motor 3. As the wind speed increases, power generation is possible at low wind speeds. If the wind speed is 5 m / sec or more, the blades can be rotated at a speed suitable for power generation only by the natural wind speed, thereby stopping the power supplied to the motor (3). At the same time, the spindle gear 21 is retracted to release the connection state between the motor 3 and the shaft 5.
본 실시 예에서, 상기 풍속 감지센서는 일반적인 소형 풍속계를 사용할 수가 있는데, 소형 풍속계는 회전하는 컵 모양의 날개가 발전기를 구동시켜서 발전기의 출력을 풍속으로 환산하여 측정하는 방식이며, 이 외에도 열선 풍속계를 사용할 수도 있다.In the present embodiment, the wind speed sensor may use a general small anemometer, the small anemometer is a method of measuring the output of the generator in terms of the wind speed by rotating the cup-shaped wings to drive the generator, in addition to the hot wire anemometer Can also be used.
본 실시 예에서, 상기 모터(3), 발전기(4) 및 피니언 기어(21,22)는 헤드 커버(6) 내부에 수용되며, 상기 헤드 커버(6)는 지주(11) 상단부에 회전시트(7)에 의해 풍향에 따라 회전이 가능하도록 되어 있는데, 상기 헤드 커버(6)는 사선방향으로 세워진 헤드 지지대(8)에 의해 안정적으로 지지되어 있으며, 상기 회전시트(70)는 지주(11)상에서 60도 범위 내에서 회동동작이 이루어져 풍향에 따른 방향각의 자동 조정이 이루어짐과 동시에 태풍과 같은 광풍의 발생시 피풍동작이 이루어져 블레이드의 파손을 예방할 수 있도록 되어 있다.In the present embodiment, the motor 3, the generator 4 and the pinion gears 21 and 22 are accommodated inside the head cover 6, and the head cover 6 has a rotating sheet at an upper end of the support 11. It is possible to rotate according to the wind direction 7), the head cover 6 is stably supported by the head support (8) erected in an oblique direction, the rotation sheet 70 on the support (11) The rotational movement is performed within the range of 60 degrees, and the automatic adjustment of the direction angle according to the wind direction is made, and the blow operation is performed in the event of a gust of wind, such as a typhoon, to prevent damage to the blade.
한편, 본 실시 예에서, 상기 가로등(10)은 기존의 광열등(백열등이나 수은등 ) 대신 에너지 효율을 높임과 동시에 빛의 확산거리를 최대화할 수 있도록 레이저 다이오드를 광원으로 사용하고 있으며, 이 레이저 다이오드는 저가형의 레드, 그린 및 블루의 단색 파장을 조합 사용하여 가능한 멀리 빛을 조사하되 피사체에서 레이저 영역을 형성하도록 레이저 빔을 주사하는 방식으로 조사하여 안개, 운무, 황사, 대기오염으로 인한 혼탁 등에 의한 각종 기후 변화에도 불구하고 피사체를 식별할 수 있도록 하는 것이 바람직하며, 이에 의해 굴곡지나 은폐지역까지도 조사가 가능하며, 저가형의 레이저 다이오드를 사용하고, 기존의 LED가로등에 비해서도 소비전력을 줄임으로써 에너지 효율을 극대화할 수 있다.On the other hand, in the present embodiment, the street lamp 10 is using a laser diode as a light source to maximize the diffusion of light at the same time to increase the energy efficiency instead of conventional incandescent lamp (incandescent lamp or mercury lamp), this laser diode Using a combination of low-cost red, green and blue monochromatic wavelengths irradiate the light as far as possible, but by irradiating a laser beam to form a laser area on the subject by the haze, cloudiness, yellow dust, haze caused by air pollution It is desirable to be able to identify subjects in spite of various climate changes, and thus it is possible to investigate even curved or concealed areas, and to use energy-efficient by using low-cost laser diodes and reducing power consumption compared to conventional LED street lights. Can be maximized.
한편, 축전지는 지주(11) 하단의 배전 축전함(12)에 내장되는데, 이는 독립적인 에너지저장시스템(ENERGY STORAGE SYSTEM)으로 구성되어 지주(11)에 설치되는 가로등이나 통신중계기 또는 감시카메라 등에 안정적인 전력을 공급하게 된다.On the other hand, the storage battery is embedded in the distribution storage box 12 of the bottom of the support (11), which is composed of an independent energy storage system (ENERGY STORAGE SYSTEM) is stable to the street light, communication repeater or surveillance camera installed in the support (11) It will supply power.
본 실시 예에서, 상기 블레이드(1)와 헤드 커버(6), 지주(11), 배전 축정함(12) 등은 본 출원인의 등록특허 제10-1180709호의 '복합 신재생에너지 발전기용 지주'에 개시된 소재인 탄소나노튜브를 포함하는 나노소재를 분산함침시킨 열경화성 폴리디스클로펜타디엔(PDCPD)을 사용함으로써 기존의 금속이나 FRP에 비하여 강도와 내구성을 향상시킬 수 있으며, 특히 지주(11)의 내부에는 폐합성수지를 재활용하여 채움으로써 제조원가의 절감과 동시에 사용연한의 경과 후 폐기시에도 소재를 재활용할 수 있다.In the present embodiment, the blade 1, the head cover 6, the support 11, the power distribution storage box 12, etc. are applied to the 'applicable for the renewable energy generator' of the Patent No. 10-1180709 of the applicant. By using a thermosetting polydisclopentadiene (PDCPD) impregnated with a nano-material containing carbon nanotubes as disclosed material can improve the strength and durability compared to conventional metals or FRP, in particular the interior of the pillar (11) The waste synthetic resin can be recycled and filled to reduce the manufacturing cost and to recycle the material at the end of its service life.
이상에서와 같이, 본 실시 예에 의한 스마트 폴은 태양광과 풍력을 조합하여 가로등이나 무선기지국 또는 감시카메라 등에 필요한 전력을 공급하되, 풍속 감지센서의 신호에 따라 블레이드 회전축에 모터를 스핀들 기어로 연결하거나 연결상태를 해제할 수 있도록 함으로써 풍속이 설정된 속도보다 느린 경우 모터를 가동시키면서 스핀들 기어를 전진시켜 블레이드가 모터에 의해 기동되면서 저속의 바람과 모터의 구동력에 의해 회전되면서 일정한 전력을 생산할 수 있도록 하고, 풍속이 일정 속도 이상인 경우에는 자동으로 스핀들 기어가 후퇴하여 모터와 블레이드 축과의 연결을 해제할 수 있도록 하여 낮은 풍속에서도 효과적인 풍력발전이 가능하도록 함으로써 안정적인 전력생산이 가능하게 되므로 계통전력이 공급되지 못하는 낙후지역에서의 설비 운용을 효과적으로 할 수 있는 이점이 있다.As described above, the smart pole according to the present embodiment combines solar and wind power to supply power required for a street lamp, a wireless base station or a surveillance camera, and connects a motor to the blade rotating shaft with a spindle gear according to a signal of a wind speed sensor. When the wind speed is slower than the set speed, the spindle gear is moved while the motor is running, so that the blade is started by the motor and rotated by the low speed wind and the driving force of the motor to produce a constant power. If the wind speed is above a certain speed, the spindle gear is automatically retracted to disconnect the motor and the blade shaft, enabling effective wind power generation even at low wind speeds. In underdeveloped areas There is an advantage that can effectively operate the equipment.
[부호의 설명][Description of the code]
1 : 블레이드1: blade
2 : 연결판2: connecting plate
3 : 모터3: motor
4 : 발전기4: generator
5 : 축5: axis
6 : 헤드 커버6: head cover
7 : 회전시트7: rotating sheet
8 : 헤드 지지대8: head support
9 : 태양광 패널9: solar panel
10 : 가로등10: street light
11 : 지주(폴; pole)11 pole
12 : 배전 축전함12: power distribution storage box
21 : 스핀들 기어(슬라이딩)21: spindle gear (sliding)
22 : 스핀들기어(고정)22: spindle gear (fixed)

Claims (1)

  1. 태양광과 풍력을 이용하여 지주(Pole) 위에 설치된 가로등이나 통신기지국 또는 경계 초소용 감시카메라 등의 전기설비에 전력을 공급하기 위한 신재생 에너지를 사용하는 스마트 폴로;Smart polo using renewable energy for powering electrical facilities such as street lamps installed on poles or communication base stations or surveillance cameras for border guards using solar and wind power;
    풍속 감지센서의 신호가 설정된 풍속보다 낮은 풍속이면 모터를 가동시켜 블레이드가 저속의 바람과 모터의 구동력에 의해 회전되어 발전기에서 일정한 전력을 생산할 수 있도록 하고, 풍속 감지센서에서 감지된 풍속이 설정된 풍속 이상인 경우에는 모터가 정지되고 풍력만으로 블레이드가 회전되도록 하되, 풍속 감지센서의 신호가 설정된 풍속보다 낮은 풍속이면 블레이드의 축에 모터를 스핀들 기어의 전진에 의해 연결하여 저속의 바람과 모터의 구동력에 의해 회전되어 발전기가 전력을 생산할 수 있도록 하고, 풍속 감지센서에서 감지된 풍속이 설정된 풍속 이상인 경우에는 스핀들 기어가 후퇴하여 모터와 블레이드 축과의 연결을 해제하며, 상기 모터와 발전기 및 피니언 기어는 헤드 커버 내부에 수용되고, 상기 헤드 커버는 지주 상단부에 회전시트에 의해 풍향에 따라 회전되되 상기 헤드 커버는 사선 방향으로 세워진 헤드 지지대에 의해 지지되며, 상기 회전시트는 지주 상에서 60도 범위 내에서 회동동작이 이루어지도록 된 것을 특징으로 하는 신재생에너지를 사용하는 스마트 폴. If the wind speed sensor's signal is lower than the set wind speed, the motor is operated so that the blade is rotated by the low speed wind and the driving force of the motor to produce a constant power in the generator.The wind speed detected by the wind speed sensor is higher than the set wind speed. In this case, the motor is stopped and the blade is rotated only by the wind, but if the wind speed sensor signal is lower than the set wind speed, the motor is connected to the shaft of the blade by the forward of the spindle gear to rotate by the low speed wind and the driving force of the motor. To allow the generator to generate power, and when the wind speed detected by the wind speed sensor is higher than the set wind speed, the spindle gear retracts to disconnect the motor and the blade shaft, and the motor, generator and pinion gear are inside the head cover. Housed in the head cover, Rotated in accordance with the wind direction by the exhibition site, the head cover is supported by a head support erected in an oblique direction, the rotation sheet uses a renewable energy, characterized in that the rotation operation is made within 60 degrees on the prop Smart pole.
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