WO2012163063A1 - Solar-wind power generation unit and system thereof based on reflecting condenser - Google Patents

Solar-wind power generation unit and system thereof based on reflecting condenser Download PDF

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Publication number
WO2012163063A1
WO2012163063A1 PCT/CN2011/082872 CN2011082872W WO2012163063A1 WO 2012163063 A1 WO2012163063 A1 WO 2012163063A1 CN 2011082872 W CN2011082872 W CN 2011082872W WO 2012163063 A1 WO2012163063 A1 WO 2012163063A1
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Prior art keywords
power generation
wind
unit
reflecting surface
wind energy
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PCT/CN2011/082872
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French (fr)
Chinese (zh)
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刘守华
章佳锋
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武汉凹伟能源科技有限公司
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Publication of WO2012163063A1 publication Critical patent/WO2012163063A1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/007—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations the wind motor being combined with means for converting solar radiation into useful energy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
    • H01L31/0547—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means comprising light concentrating means of the reflecting type, e.g. parabolic mirrors, concentrators using total internal reflection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
    • H02S10/10—PV 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
    • H02S10/10—PV 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
    • H02S10/12—Hybrid wind-PV energy systems
    • 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
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/52—PV systems with concentrators
    • 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
    • Y02E10/728—Onshore wind turbines

Definitions

  • the invention belongs to the field of solar photovoltaic power generation and wind power generation.
  • One of the objects of the present invention is to provide a reflective concentrating unit which can utilize both solar energy and wind energy, and which has high operational stability and power generation efficiency.
  • Another object of the present invention is to provide a solar wind energy integrated power generation unit capable of utilizing both solar energy and wind energy, and has high operational stability and power generation efficiency.
  • a third object of the present invention is to provide a solar wind energy integrated power generation system which can simultaneously utilize solar energy and wind energy, and has high operational stability and power generation efficiency.
  • a reflective concentrating unit having a parabolic dish or groove-like reflecting surface, wherein the reflecting surface is provided with a wind tunnel which is disposed with the wind energy generating unit and distributed around the central array of the reflecting surface.
  • the wind power generation unit is a wind power generator.
  • the vertical projection portion of the rotor of the wind energy motor on the reflecting surface is a solid reflecting portion, and the surface of the solid reflecting portion is provided with a reflective material, and a hole or a narrow hole corresponding to the fan page of the wind energy motor is distributed around the solid reflecting portion. Seam structure.
  • the reflective surface is further provided with a thin-walled low wall for guiding the wind into the wind tunnel, the thin-walled low wall being parallel to the normal of the reflecting surface.
  • the total area of the wind tunnel on the reflecting surface accounts for 1% to 20% of the total area of the entire reflecting surface.
  • the solar wind energy integrated power generation unit comprises a reflective concentrating unit and a photovoltaic power generation unit, wherein the reflective concentrating unit has a parabolic dish or groove-shaped reflecting surface, and the difference is that the wind energy generating unit is further included, the reflecting surface A wind tunnel is disposed on the wind energy generating unit and distributed around the center of the reflecting surface, and the wind power generating unit is installed at the back side air outlet of each wind tunnel.
  • the wind energy motor is axially parallel to the normal line of the reflective surface of the reflective concentrating unit.
  • the total area of the wind tunnel on the reflecting surface accounts for 1% to 20% of the total area of the entire reflecting surface.
  • the solar wind energy integrated power generation system has the difference that it comprises a solar wind energy integrated power generation unit and an automatic tracking system, and the solar wind energy integrated power generation unit comprises a reflective concentrating unit, a photovoltaic power generation unit, and a wind power generation unit, wherein the photovoltaic power generation unit and the wind power generation unit
  • the unit is connected in parallel, and the automatic tracking system includes a tracking control system, a switching control system, a tracking sensor system, and a wind direction monitoring system.
  • the switching control system calculates the amount of wind energy generated after the system switches to the chasing mode according to the wind power data provided by the wind direction monitoring system, and generates the actual amount generated by the system at that time. Comparing the sum of photovoltaic power generation and wind power generation, determining whether to switch to the chasing mode; when the system is in the chasing mode, the switching control system calculates the system switching based on the solar azimuth and intensity data provided by the tracking sensor system. The sum of the photovoltaic power generation and the wind power generation generated after the pursuit of the Japanese mode, and compare it with the actual wind energy generated by the system at that time, to determine whether to switch to the chase mode.
  • the purpose of the invention patent is to improve the utilization efficiency of renewable energy by a unit power generating device.
  • Photovoltaic power generation is carried out by concentrating the sunlight to the photovoltaic power generation unit through the reflection concentrating unit, or the concentrated light is split and then sent to the photovoltaic power generation unit for photovoltaic power generation.
  • the present invention can also direct wind energy to a wind energy generating unit (for example, a distributed wind energy motor) for wind power generation, thereby increasing the average effective power generation time of the entire device.
  • the invention is characterized in that the solar photovoltaic power generation device and the wind energy power generation device are skillfully combined, which not only enhances the operational stability of the reflective concentrating unit, but also utilizes a wind tunnel disposed on the reflective concentrating unit for wind power generation.
  • the wind tunnel can effectively reduce the strength requirement of the mechanical structure of the reflective concentrating unit, reduce the weight of the whole system, and reduce the size of the motor matched with the automatic tracking device. This not only reduces the system cost, but also improves the system's adaptability to the installation environment.
  • the invention largely overcomes the shortcomings of photovoltaic and fan power generation intermittently. Because the solar wind energy integrated power generation unit and the wind energy power generation unit in the present invention can share the same power transmission and transformation system (inverter or the like) or the energy storage battery, the unit power generation of the present invention is also made while effectively extending the average power generation time. The cost has been effectively reduced.
  • the invention can overcome the above problems by taking the length of the two, and the effective convergence effect of the wind tunnel using the reflective concentrating unit on the wind makes the power generation of the low-power, distributed wind energy generator more efficient.
  • FIG. 1 is a schematic structural view of a solar energy integrated power generation system according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural view of a solar wind energy integrated power generation unit according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of a reflective concentrating unit according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural view of a wind energy motor according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram showing a state of chasing the solar energy integrated power generation unit in an installed state according to an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of a wind-seeking state of a solar wind energy integrated power generation unit in an installed state according to an embodiment of the present invention.
  • the reflective concentrating unit 1 has a parabolic dish or groove-shaped reflecting surface, and the reflecting surface is provided with a wind disposed in the wind power generating unit 3 and distributed around the center of the reflecting surface. Hole 7.
  • the reflective concentrating unit is an integral type or a splicing concentrating mirror
  • the wind tunnel 7 is a hollow or a slit distributed on the integral type or the splicing concentrating mirror.
  • the cavity or slit is formed by a simple mechanical movement of the subunit of the splicing concentrating mirror under control.
  • the wind energy generating unit 3 is a wind energy motor; the vertical projection portion of the rotor of the wind energy motor on the reflecting surface is a solid reflecting portion 10, and the surface of the solid reflecting portion 10 is provided with a reflective material, which is distributed around the solid reflecting portion 10 in the circumferential direction.
  • the reflective surface is further provided with a thin-walled low wall 8 for guiding the wind into the wind tunnel, the thin-walled low wall 8 being parallel to the normal of the reflecting surface.
  • the total area of the wind tunnel on the reflecting surface accounts for 1% to 20% of the total area of the entire reflecting surface.
  • the solar wind energy integrated power generation unit includes a reflective concentrating unit 1, a photovoltaic power generation unit 2, and a wind power generation unit 3.
  • the reflective concentrating unit 1 has a parabolic dish or groove-shaped reflecting surface and reflects
  • the wind tunnel 7 is disposed on the surface and arranged around the center of the reflecting surface, and the wind power generating unit 3 is installed at the back side air outlet of each of the wind tunnels 7.
  • the wind energy generating unit 3 can select a wind energy motor; in order to further enhance the concentrating effect of the reflecting surface, the vertical projection portion of the rotor of the wind energy motor on the reflecting surface is a solid reflecting portion 10, and the surface of the solid reflecting portion 10 is provided with a reflecting material. A hole or slit structure corresponding to the fan page of the wind energy motor is distributed around the solid reflection portion 10 in the circumferential direction.
  • the wind energy motor is axially parallel to a normal line of the reflecting surface of the reflective concentrating unit 1.
  • the reflective concentrating unit 1 is an integral type or a splicing concentrating mirror
  • the wind tunnel 7 is a cavity or a slit distributed on the integral type or the splicing concentrating mirror.
  • the void or slit can be formed by a simple mechanical movement of the subunit of the splicing concentrator under control.
  • the reflective concentrating unit reflective surface is further provided with a thin-walled low wall for guiding wind into the wind tunnel, the thin-walled low wall being parallel to the normal of the reflecting surface.
  • the total area of the wind tunnel on the reflecting surface accounts for 1% to 20% of the total area of the entire reflecting surface.
  • the solar wind energy integrated power generation system comprises a solar wind energy integrated power generation unit and an automatic tracking system 4
  • the solar wind energy integrated power generation unit comprises a reflective concentrating unit 1 , a photovoltaic power generation unit 2 , and a wind power generation system.
  • the unit 3, wherein the photovoltaic power generation unit 2 and the wind power generation unit 3 generate power in parallel, the automatic tracking system includes a tracking control system 9, a switching control system 4, a tracking sensor system 5, and a wind direction monitoring system 6.
  • the switching control system 4 calculates the wind power generation amount generated after the system switches to the chasing mode according to the wind power size data provided by the wind direction monitoring system 6 and compares it with the current The actual amount of photovoltaic power generated by the system is compared with the sum of wind power generation to determine whether to switch to the chasing mode.
  • the switching control system 4 calculates the photovoltaic power generation amount and the wind power generation generated after the system switches to the chasing time mode according to the solar azimuth and the strong and weak data provided by the tracking sensor system. The sum of the quantities is compared with the actual amount of wind energy generated by the system at that time to determine whether to switch to the chase mode.
  • the handover control system 4 After the handover control system 4 completes the handover, it provides accurate wind direction coordinate data or solar azimuth data to the tracking control system 9, thereby implementing automatic tracking.
  • the solar energy is concentrated by the reflective concentrating unit 1 and then sent to the photovoltaic power generation unit 2 for photovoltaic power generation.
  • it may be direct photovoltaic power generation or photovoltaic power generation after splitting.
  • the wind energy is guided by the wind tunnel effect of the concentrating unit and the thin-walled low wall to reach each distributed wind energy motor for wind power generation.
  • the solar cell and the wind energy motor are respectively connected in series and parallel and output to the external circuit in parallel with the same parameters. The entire unit is guaranteed to have a maximum power generation under the control of an automatic tracking system.

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Abstract

The present invention relates to the solar photovoltaic power generation field and the wind power generation field, and more particularly to a reflecting condenser unit, a solar-wind power generation unit and a system thereof. The reflecting condenser unit has a parabolic disc-shaped or groove-shaped reflecting surface, and is characterized in that, the reflecting surface has wind tunnels matching with the wind power generation unit and opened in an array surrounding the center of a circle of the reflecting surface. The objective of the present invention is to improve utilization efficiency of renewable energy sources by power generation apparatuses per unit. Photovoltaic power generation is carried out after sunlight is gathered to a photovoltaic power generation unit by the reflecting condenser unit, or carried out after the gathered sunlight is split and then transmitted to the photovoltaic power generation unit. In addition, the wind energy can be guided to the wind power generation unit (for example, a distributed wind power generation motor) to carry out wind power generation, so that the average effective power generation time of the whole apparatus is improved.

Description

基于反射聚光器的太阳能风能一体发电单元及其系统  Solar wind energy integrated power generation unit and system based on reflective concentrator 技术领域Technical field
本发明属于太阳能光伏发电领域和风能发电领域。 The invention belongs to the field of solar photovoltaic power generation and wind power generation.
背景技术Background technique
面向21世纪，人类文明将永无止境地继续向前发展，在文明发展的过程中，能源科学和技术是保障文明发展的重要的科学技术之一。太阳能和风能将是我们所需要的对地球环境无害且取之不尽用之不竭的绿色能源。尽管近年来太阳能和风能发电都得到了很大的发展，但两边都是各自为营。Facing the 21st century, human civilization will continue to develop in an endless way. In the process of civilization development, energy science and technology are one of the important scientific technologies to guarantee the development of civilization. Solar energy and wind energy will be the inexhaustible green energy we need to be harmless to the global environment. Although solar and wind power generation have been greatly developed in recent years, they are both on their own.
普通的聚光型太阳能光伏发电装置在有风的情况下整个装置运行的稳定性和精确性都会下降，当风力实在太大时，有些厂家的产品甚至将聚光器放平，放弃发电。而这样就造成了发电的不连续性，尤其是在夜晚和阴雨天气。另一方面，普通的风能发电装置，虽然在大大多数情况下能够连续发电，但在微风的时候也不容易发出电来，特别是对大功率的风能发动机，启动风力需要足够大。而且在装了这些大功率风能发电机的地方，太阳能发电装置往往不方便同时安装。Ordinary concentrating solar photovoltaic power generation equipment will reduce the stability and accuracy of the whole equipment operation under windy conditions. When the wind power is too large, some manufacturers' products even flatten the concentrator and give up power generation. This creates a discontinuity in power generation, especially at night and in rainy weather. On the other hand, an ordinary wind power generation device, although capable of continuous power generation in most cases, is not easy to emit electricity during a breeze, especially for a high-power wind energy engine, and it is necessary to start the wind sufficiently. Moreover, in places where these high-power wind energy generators are installed, solar power generation devices are often inconvenient to install at the same time.
技术问题technical problem
本发明的目的之一是提供一种反射聚光单元，该装置能同时利用太阳能和风能，其运行稳定性和发电效率较高。One of the objects of the present invention is to provide a reflective concentrating unit which can utilize both solar energy and wind energy, and which has high operational stability and power generation efficiency.
本发明的目的之二是提供一种太阳能风能一体发电单元，该单元能同时利用太阳能和风能，其运行稳定性和发电效率较高。Another object of the present invention is to provide a solar wind energy integrated power generation unit capable of utilizing both solar energy and wind energy, and has high operational stability and power generation efficiency.
本发明的目的之三是提供一种太阳能风能一体发电系统，该系统能同时利用太阳能和风能，其运行稳定性和发电效率较高。A third object of the present invention is to provide a solar wind energy integrated power generation system which can simultaneously utilize solar energy and wind energy, and has high operational stability and power generation efficiency.
技术解决方案Technical solution
为了实现该目的，本发明采用以下技术方案：In order to achieve the object, the present invention adopts the following technical solutions:
反射聚光单元，其具有抛物线型的碟状或槽状反射面，其不同之处在于：所述反射面上开有与风能发电单元相配置并且围绕反射面圆心阵列分布的风洞。A reflective concentrating unit having a parabolic dish or groove-like reflecting surface, wherein the reflecting surface is provided with a wind tunnel which is disposed with the wind energy generating unit and distributed around the central array of the reflecting surface.
按以上方案，所述风能发电单元为风力发电机。According to the above scheme, the wind power generation unit is a wind power generator.
按以上方案，所述风能电机转子在反射面上的垂直投影部位为实体反射部，实体反射部的表面设置有反射材料，围绕实体反射部周向分布有与风能电机扇页对应的孔洞或狭缝结构。According to the above solution, the vertical projection portion of the rotor of the wind energy motor on the reflecting surface is a solid reflecting portion, and the surface of the solid reflecting portion is provided with a reflective material, and a hole or a narrow hole corresponding to the fan page of the wind energy motor is distributed around the solid reflecting portion. Seam structure.
按以上方案，所述反射面上还设置有用于引导风进入风洞的薄壁矮墙，所述薄壁矮墙平行于反射面法向。According to the above solution, the reflective surface is further provided with a thin-walled low wall for guiding the wind into the wind tunnel, the thin-walled low wall being parallel to the normal of the reflecting surface.
按以上方案，所述反射面上的风洞总面积占整个反射面总面积的1%~20%。According to the above scheme, the total area of the wind tunnel on the reflecting surface accounts for 1% to 20% of the total area of the entire reflecting surface.
太阳能风能一体发电单元，包括反射聚光单元、光伏发电单元，所述反射聚光单元具有抛物线型的碟状或槽状反射面，其不同之处在于：还包括风能发电单元，所述反射面上开有与风能发电单元相配置并且围绕反射面圆心阵列分布的风洞，所述每个风洞的背侧出风口处均安装有风能发电单元。The solar wind energy integrated power generation unit comprises a reflective concentrating unit and a photovoltaic power generation unit, wherein the reflective concentrating unit has a parabolic dish or groove-shaped reflecting surface, and the difference is that the wind energy generating unit is further included, the reflecting surface A wind tunnel is disposed on the wind energy generating unit and distributed around the center of the reflecting surface, and the wind power generating unit is installed at the back side air outlet of each wind tunnel.
按以上方案，所述风能电机轴向与反射聚光单元反射面的法向线平行。According to the above scheme, the wind energy motor is axially parallel to the normal line of the reflective surface of the reflective concentrating unit.
按以上方案，所述反射面上的风洞总面积占整个反射面总面积的1%~20%。According to the above scheme, the total area of the wind tunnel on the reflecting surface accounts for 1% to 20% of the total area of the entire reflecting surface.
太阳能风能一体发电系统，其不同之处在于：其包括太阳能风能一体发电单元、自动跟踪系统，太阳能风能一体发电单元包括反射聚光单元、光伏发电单元、风能发电单元，其中光伏发电单元、风能发电单元并联发电，自动跟踪系统包括跟踪控制系统、切换控制系统、追日传感系统和风力风向监控系统。The solar wind energy integrated power generation system has the difference that it comprises a solar wind energy integrated power generation unit and an automatic tracking system, and the solar wind energy integrated power generation unit comprises a reflective concentrating unit, a photovoltaic power generation unit, and a wind power generation unit, wherein the photovoltaic power generation unit and the wind power generation unit The unit is connected in parallel, and the automatic tracking system includes a tracking control system, a switching control system, a tracking sensor system, and a wind direction monitoring system.
按以上方案，当系统处于追日模式时，切换控制系统根据风力风向监控系统提供的风力大小数据计算出系统切换到追风模式后产生的风能发电量，并将之与当时系统实际所产生的光伏发电量和风能发电量的总和相比较，确定是否切换到追风模式；当系统处于追风模式时，切换控制系统根据追日传感系统提供的太阳方位及强弱数据计算出系统切换到追日模式后产生的光伏发电量与风能发电量的总和，并将之与当时系统实际所产生的风能发电量相比较，确定是否切换到追日模式。According to the above scheme, when the system is in the chasing mode, the switching control system calculates the amount of wind energy generated after the system switches to the chasing mode according to the wind power data provided by the wind direction monitoring system, and generates the actual amount generated by the system at that time. Comparing the sum of photovoltaic power generation and wind power generation, determining whether to switch to the chasing mode; when the system is in the chasing mode, the switching control system calculates the system switching based on the solar azimuth and intensity data provided by the tracking sensor system. The sum of the photovoltaic power generation and the wind power generation generated after the pursuit of the Japanese mode, and compare it with the actual wind energy generated by the system at that time, to determine whether to switch to the chase mode.
有益效果Beneficial effect
本发明相对现有技术具有如下的优点及效果：The present invention has the following advantages and effects over the prior art:
本发明专利的目的在于提高单位发电装置对可再生能源的利用效率。通过反射聚光单元将太阳光汇聚至光伏发电单元后进行光伏发电，或者将汇聚光分光后再送至光伏发电单元进行光伏发电。另外，本发明同时还可以将风能引导给风能发电单元（例如分布式风能电机）进行风能发电，从而提高整个装置的平均有效发电时间。The purpose of the invention patent is to improve the utilization efficiency of renewable energy by a unit power generating device. Photovoltaic power generation is carried out by concentrating the sunlight to the photovoltaic power generation unit through the reflection concentrating unit, or the concentrated light is split and then sent to the photovoltaic power generation unit for photovoltaic power generation. In addition, the present invention can also direct wind energy to a wind energy generating unit (for example, a distributed wind energy motor) for wind power generation, thereby increasing the average effective power generation time of the entire device.
本发明的特点在于将太阳能光伏发电装置和风能发电装置巧妙结合，既增强了反射聚光单元的运行稳定性，又利用了设置在反射聚光单元上的风洞进行风力发电。在风力较大的时候，风洞可以有效减轻对反射聚光单元机械结构的强度要求，减小整个系统的重量，从而降低与自动追踪装置配套的电机尺寸。这样既减小了系统造价，同时改善了系统对安装环境的适应性。另一方面因为反射聚光单元上无风洞区域的风阻作用、薄壁矮墙的导风作用，风力被有效会聚，只需要较小的扇叶就可以有效捕获风能，即便是风很小的时候，风洞处也可以有风电产生。因此该发明在很大程度上克服了光伏和风机发电间歇性的缺点。因为本发明中的太阳能风能一体发电单元、风能发电单元可以共享同一套输变电系统（逆变器等）或者蓄能电池，在有效延长了平均发电时间的同时，还使得本发明的单位发电成本得到有效下降。The invention is characterized in that the solar photovoltaic power generation device and the wind energy power generation device are skillfully combined, which not only enhances the operational stability of the reflective concentrating unit, but also utilizes a wind tunnel disposed on the reflective concentrating unit for wind power generation. When the wind is strong, the wind tunnel can effectively reduce the strength requirement of the mechanical structure of the reflective concentrating unit, reduce the weight of the whole system, and reduce the size of the motor matched with the automatic tracking device. This not only reduces the system cost, but also improves the system's adaptability to the installation environment. On the other hand, because of the wind resistance of the wind-free area on the reflective concentrating unit and the wind guiding effect of the thin-walled wall, the wind is effectively concentrated, and only a small fan blade is needed to effectively capture the wind energy, even if the wind is small. At the time, wind power can also be generated at the wind tunnel. Therefore, the invention largely overcomes the shortcomings of photovoltaic and fan power generation intermittently. Because the solar wind energy integrated power generation unit and the wind energy power generation unit in the present invention can share the same power transmission and transformation system (inverter or the like) or the energy storage battery, the unit power generation of the present invention is also made while effectively extending the average power generation time. The cost has been effectively reduced.
本发明取两者之长，基本可以克服上述问题，并且利用反射聚光单元的风洞对风力的有效汇聚效应使得小功率、分布式风能发电机发电更高效。The invention can overcome the above problems by taking the length of the two, and the effective convergence effect of the wind tunnel using the reflective concentrating unit on the wind makes the power generation of the low-power, distributed wind energy generator more efficient.
附图说明DRAWINGS
图1为本发明实施例太阳能风能一体发电系统的结构示意图。FIG. 1 is a schematic structural view of a solar energy integrated power generation system according to an embodiment of the present invention.
图2为本发明实施例太阳能风能一体发电单元的结构示意图。2 is a schematic structural view of a solar wind energy integrated power generation unit according to an embodiment of the present invention.
图3为本发明实施例反射聚光单元的结构示意图。FIG. 3 is a schematic structural diagram of a reflective concentrating unit according to an embodiment of the present invention.
图4为本发明实施例风能电机的结构示意图。4 is a schematic structural view of a wind energy motor according to an embodiment of the present invention.
图5为本发明实施例处于安装状态的太阳能风能一体发电单元追日状态示意图。FIG. 5 is a schematic diagram showing a state of chasing the solar energy integrated power generation unit in an installed state according to an embodiment of the present invention.
图6为本发明实施例处于安装状态的太阳能风能一体发电单元追风状态示意图。FIG. 6 is a schematic diagram of a wind-seeking state of a solar wind energy integrated power generation unit in an installed state according to an embodiment of the present invention.
本发明的最佳实施方式BEST MODE FOR CARRYING OUT THE INVENTION
下面结合实施例及附图对本发明作进一步详细的描述。The present invention will be further described in detail below with reference to the embodiments and the accompanying drawings.
如图3所示，本发明实施例反射聚光单元1，其具有抛物线型的碟状或槽状反射面，反射面上开有与风能发电单元3相配置并且围绕反射面圆心阵列分布的风洞7。As shown in FIG. 3, in the embodiment of the present invention, the reflective concentrating unit 1 has a parabolic dish or groove-shaped reflecting surface, and the reflecting surface is provided with a wind disposed in the wind power generating unit 3 and distributed around the center of the reflecting surface. Hole 7.
具体的，反射聚光单元为整体型或拼接式聚光镜，风洞7为分布在整体型或拼接式聚光镜上的空洞或狭缝。Specifically, the reflective concentrating unit is an integral type or a splicing concentrating mirror, and the wind tunnel 7 is a hollow or a slit distributed on the integral type or the splicing concentrating mirror.
具体的，空洞或狭缝由拼接式聚光镜的子单元在控制下经过简单机械运动后形成。Specifically, the cavity or slit is formed by a simple mechanical movement of the subunit of the splicing concentrating mirror under control.
具体的，风能发电单元3为风能电机；风能电机的转子在反射面上的垂直投影部位为实体反射部10，实体反射部10的表面设置有反射材料，围绕实体反射部10周向分布有与风能电机扇页对应的孔洞或狭缝结构。Specifically, the wind energy generating unit 3 is a wind energy motor; the vertical projection portion of the rotor of the wind energy motor on the reflecting surface is a solid reflecting portion 10, and the surface of the solid reflecting portion 10 is provided with a reflective material, which is distributed around the solid reflecting portion 10 in the circumferential direction. The hole or slit structure corresponding to the fan motor fan page.
优选的，反射面上还设置有用于引导风进入风洞的薄壁矮墙8，所述薄壁矮墙8平行于反射面法向。Preferably, the reflective surface is further provided with a thin-walled low wall 8 for guiding the wind into the wind tunnel, the thin-walled low wall 8 being parallel to the normal of the reflecting surface.
优选的，所述反射面上的风洞总面积占整个反射面总面积的1%~20%。Preferably, the total area of the wind tunnel on the reflecting surface accounts for 1% to 20% of the total area of the entire reflecting surface.
如图2、图4所示，太阳能风能一体发电单元，包括反射聚光单元1、光伏发电单元2、风能发电单元3，反射聚光单元1具有抛物线型的碟状或槽状反射面，反射面上开有与风能发电单元3相配置并且围绕反射面圆心阵列分布的风洞7，所述每个风洞7的背侧出风口处均安装有风能发电单元3。As shown in FIG. 2 and FIG. 4, the solar wind energy integrated power generation unit includes a reflective concentrating unit 1, a photovoltaic power generation unit 2, and a wind power generation unit 3. The reflective concentrating unit 1 has a parabolic dish or groove-shaped reflecting surface and reflects The wind tunnel 7 is disposed on the surface and arranged around the center of the reflecting surface, and the wind power generating unit 3 is installed at the back side air outlet of each of the wind tunnels 7.
具体的，风能发电单元3可选择风能电机；为了进一步加强反射面的聚光效果，风能电机的转子在反射面上的垂直投影部位为实体反射部10，实体反射部10的表面设置有反射材料，围绕实体反射部10周向分布有与风能电机扇页对应的孔洞或狭缝结构。Specifically, the wind energy generating unit 3 can select a wind energy motor; in order to further enhance the concentrating effect of the reflecting surface, the vertical projection portion of the rotor of the wind energy motor on the reflecting surface is a solid reflecting portion 10, and the surface of the solid reflecting portion 10 is provided with a reflecting material. A hole or slit structure corresponding to the fan page of the wind energy motor is distributed around the solid reflection portion 10 in the circumferential direction.
具体的，所述风能电机轴向与反射聚光单元1的反射面的法向线平行。Specifically, the wind energy motor is axially parallel to a normal line of the reflecting surface of the reflective concentrating unit 1.
具体的，所述反射聚光单元1为整体型或拼接式聚光镜，风洞7为分布在整体型或拼接式聚光镜上的空洞或狭缝。优选的，空洞或狭缝可由拼接式聚光镜的子单元在控制下经过简单机械运动后形成。Specifically, the reflective concentrating unit 1 is an integral type or a splicing concentrating mirror, and the wind tunnel 7 is a cavity or a slit distributed on the integral type or the splicing concentrating mirror. Preferably, the void or slit can be formed by a simple mechanical movement of the subunit of the splicing concentrator under control.
优选的，所述反射聚光单元反射面上还设置有用于引导风进入风洞的薄壁矮墙，所述薄壁矮墙平行于反射面法向。Preferably, the reflective concentrating unit reflective surface is further provided with a thin-walled low wall for guiding wind into the wind tunnel, the thin-walled low wall being parallel to the normal of the reflecting surface.
优选的，所述反射面上的风洞总面积占整个反射面总面积的1%~20%。Preferably, the total area of the wind tunnel on the reflecting surface accounts for 1% to 20% of the total area of the entire reflecting surface.
如图1、图5、图6所示，太阳能风能一体发电系统，其包括太阳能风能一体发电单元、自动跟踪系统4，太阳能风能一体发电单元包括反射聚光单元1、光伏发电单元2、风能发电单元3，其中光伏发电单元2、风能发电单元3并联发电，自动跟踪系统包括跟踪控制系统9、切换控制系统4、追日传感系统5和风力风向监控系统6。As shown in FIG. 1 , FIG. 5 and FIG. 6 , the solar wind energy integrated power generation system comprises a solar wind energy integrated power generation unit and an automatic tracking system 4 , and the solar wind energy integrated power generation unit comprises a reflective concentrating unit 1 , a photovoltaic power generation unit 2 , and a wind power generation system. The unit 3, wherein the photovoltaic power generation unit 2 and the wind power generation unit 3 generate power in parallel, the automatic tracking system includes a tracking control system 9, a switching control system 4, a tracking sensor system 5, and a wind direction monitoring system 6.
具体的，当太阳能风能一体发电系统处于追日模式时，切换控制系统4根据风力风向监控系统6提供的风力大小数据计算出系统切换到追风模式后产生的风能发电量，并将之与当时系统实际所产生的光伏发电量和风能发电量的总和相比较，确定是否切换到追风模式。Specifically, when the solar wind energy integrated power generation system is in the tracking mode, the switching control system 4 calculates the wind power generation amount generated after the system switches to the chasing mode according to the wind power size data provided by the wind direction monitoring system 6 and compares it with the current The actual amount of photovoltaic power generated by the system is compared with the sum of wind power generation to determine whether to switch to the chasing mode.
具体的，当太阳能风能一体发电系统处于追风模式时，切换控制系统4根据追日传感系统提供的太阳方位及强弱数据计算出系统切换到追日模式后产生的光伏发电量与风能发电量的总和，并将之与当时系统实际所产生的风能发电量相比较，确定是否切换到追日模式。Specifically, when the solar wind energy integrated power generation system is in the chasing mode, the switching control system 4 calculates the photovoltaic power generation amount and the wind power generation generated after the system switches to the chasing time mode according to the solar azimuth and the strong and weak data provided by the tracking sensor system. The sum of the quantities is compared with the actual amount of wind energy generated by the system at that time to determine whether to switch to the chase mode.
具体的，所述切换控制系统4完成切换后，提供精确的风向坐标数据或太阳方位数据给跟踪控制系统9，从而实现自动跟踪。Specifically, after the handover control system 4 completes the handover, it provides accurate wind direction coordinate data or solar azimuth data to the tracking control system 9, thereby implementing automatic tracking.
太阳能经反射聚光单元1汇聚后进到光伏发电单元2，进行光伏发电，这里可以是直接光伏发电也可以是分光后再光伏发电。风能经聚光单元的风洞效应和薄壁矮墙导引到达各分布式风能电机，进行风力发电。太阳能电池片和风能电机各自经串并联后以相同的参数并联输出给外电路。整个装置在自动跟踪系统控制下确保最大发电量。The solar energy is concentrated by the reflective concentrating unit 1 and then sent to the photovoltaic power generation unit 2 for photovoltaic power generation. Here, it may be direct photovoltaic power generation or photovoltaic power generation after splitting. The wind energy is guided by the wind tunnel effect of the concentrating unit and the thin-walled low wall to reach each distributed wind energy motor for wind power generation. The solar cell and the wind energy motor are respectively connected in series and parallel and output to the external circuit in parallel with the same parameters. The entire unit is guaranteed to have a maximum power generation under the control of an automatic tracking system.
以上内容是结合具体的实施方式对本发明所作的进一步详细说明，不能认定本发明的具体实施只局限于这些说明。对于本发明所属技术领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干简单推演或替换，都应当视为属于本发明的保护范围。The above is a further detailed description of the present invention in connection with the specific embodiments, and the specific embodiments of the present invention are not limited to the description. It will be apparent to those skilled in the art that the present invention may be made without departing from the spirit and scope of the invention.

Claims (10)

1、反射聚光单元，其具有抛物线型的碟状或槽状反射面，其特征在于：所述反射面上开有与风能发电单元相配置并且围绕反射面圆心阵列分布的风洞。 A reflective concentrating unit having a parabolic dish or groove-shaped reflecting surface, characterized in that the reflecting surface is provided with a wind tunnel which is arranged with the wind energy generating unit and distributed around the central array of the reflecting surface.
2、如权利要求1所述的反射聚光单元，其特征在于：所述风能发电单元为风力发电机。2. The reflective concentrating unit of claim 1 wherein said wind energy generating unit is a wind power generator.
3、如权利要求2所述的反射聚光单元，其特征在于：所述风能电机转子在反射面上的垂直投影部位为实体反射部，实体反射部的表面设置有反射材料，围绕实体反射部周向分布有与风能电机扇页对应的孔洞或狭缝结构。The reflective concentrating unit according to claim 2, wherein the vertical projection portion of the rotor of the wind energy motor on the reflecting surface is a solid reflecting portion, and the surface of the solid reflecting portion is provided with a reflective material surrounding the solid reflecting portion. The circumferential distribution has a hole or slit structure corresponding to the wind energy motor fan page.
4、如权利要求1所述的反射聚光单元，其特征在于：所述反射面上还设置有用于引导风进入风洞的薄壁矮墙，所述薄壁矮墙平行于反射面法向。The reflective concentrating unit according to claim 1, wherein the reflecting surface is further provided with a thin-walled low wall for guiding wind into the wind tunnel, the thin-walled low wall being parallel to the normal of the reflecting surface. .
5、如权利要求1或2或3或4所述的反射聚光单元，其特征在于：所述反射面上的风洞总面积占整个反射面总面积的1%~20%。The reflective concentrating unit according to claim 1 or 2 or 3 or 4, wherein the total area of the wind tunnel on the reflecting surface accounts for 1% to 20% of the total area of the entire reflecting surface.
6、太阳能风能一体发电单元，包括反射聚光单元、光伏发电单元，所述反射聚光单元具有抛物线型的碟状或槽状反射面，其特征在于：还包括风能发电单元，所述反射面上开有与风能发电单元相配置并且围绕反射面圆心阵列分布的风洞，所述每个风洞的背侧出风口处均安装有风能发电单元。A solar energy integrated power generation unit, comprising a reflective concentrating unit and a photovoltaic power generation unit, wherein the reflective concentrating unit has a parabolic dish or groove-shaped reflecting surface, and further comprising: a wind energy generating unit, the reflecting surface A wind tunnel is disposed on the wind energy generating unit and distributed around the center of the reflecting surface, and the wind power generating unit is installed at the back side air outlet of each wind tunnel.
7、如权利要求6所述的太阳能风能一体发电单元，其特征在于：所述风能电机轴向与反射聚光单元反射面的法向线平行。The solar wind energy integrated power generation unit according to claim 6, wherein the wind energy motor is axially parallel to a normal line of the reflective surface of the reflective concentrating unit.
8、如权利要求6或7所述的太阳能风能一体发电单元，其特征在于：所述反射面上的风洞总面积占整个反射面总面积的1%~20%。The solar wind energy integrated power generation unit according to claim 6 or 7, wherein the total area of the wind tunnel on the reflecting surface accounts for 1% to 20% of the total area of the entire reflecting surface.
9、太阳能风能一体发电系统，其特征在于：其包括太阳能风能一体发电单元、自动跟踪系统，太阳能风能一体发电单元包括反射聚光单元、光伏发电单元、风能发电单元，其中光伏发电单元、风能发电单元并联发电，自动跟踪系统包括跟踪控制系统、切换控制系统、追日传感系统和风力风向监控系统。9. The solar wind energy integrated power generation system is characterized in that it comprises a solar wind energy integrated power generation unit and an automatic tracking system, and the solar wind energy integrated power generation unit comprises a reflective concentrating unit, a photovoltaic power generation unit and a wind power generation unit, wherein the photovoltaic power generation unit and the wind power generation unit The unit is connected in parallel, and the automatic tracking system includes a tracking control system, a switching control system, a tracking sensor system, and a wind direction monitoring system.
10、如权利要求9所述的太阳能风能一体发电系统，其特征在于：当系统处于追日模式时，切换控制系统根据风力风向监控系统提供的风力大小数据计算出系统切换到追风模式后产生的风能发电量，并将之与当时系统实际所产生的光伏发电量和风能发电量的总和相比较，确定是否切换到追风模式；当系统处于追风模式时，切换控制系统根据追日传感系统提供的太阳方位及强弱数据计算出系统切换到追日模式后产生的光伏发电量与风能发电量的总和，并将之与当时系统实际所产生的风能发电量相比较，确定是否切换到追日模式。10. The solar wind energy integrated power generation system according to claim 9, wherein when the system is in the chasing mode, the switching control system calculates, according to the wind power size data provided by the wind direction monitoring system, that the system is switched to the chasing mode. The wind power generation amount is compared with the sum of the photovoltaic power generation amount and the wind power generation amount actually generated by the system at that time, to determine whether to switch to the chasing mode; when the system is in the chasing mode, the switching control system is based on the chasing day The solar azimuth and intensity data provided by the sensing system calculate the sum of the photovoltaic power generation and the wind power generation generated after the system switches to the chasing mode, and compare it with the actual wind energy generated by the system at that time to determine whether to switch. Go to the chase mode.
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CN104675631A (en) * 2014-02-18 2015-06-03 傅强 Novel rotating plate hesitance type efficient power generation assembly (commonly used for wind power and hydraulic power)
CN104675631B (en) * 2014-02-18 2019-03-12 傅强 A kind of novel rotating plate type resistance-type efficient generating apparatus
WO2016046443A1 (en) * 2014-09-23 2016-03-31 Martinez Valverde Aurelia System of thermoelectric panels and turbines with magnetic systems for generating electricity and movement
WO2022015270A1 (en) * 2020-07-16 2022-01-20 Ozturk Halil Hybrid electricity generation with solar concentrating and wind power
EP4007849A4 (en) * 2020-07-16 2023-09-13 Ozturk, Halil Hybrid electricity generation with solar concentrating and wind power

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