CN106440407A - 一种抛物面槽式水平轴跟踪太阳能集热器 - Google Patents

一种抛物面槽式水平轴跟踪太阳能集热器 Download PDF

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CN106440407A
CN106440407A CN201610990325.8A CN201610990325A CN106440407A CN 106440407 A CN106440407 A CN 106440407A CN 201610990325 A CN201610990325 A CN 201610990325A CN 106440407 A CN106440407 A CN 106440407A
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battery panel
photovoltaic battery
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朱琳
王学振
邱凌
杨选民
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Northwest A&F University
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/70Arrangements for concentrating solar-rays for solar heat collectors with reflectors
    • F24S23/71Arrangements for concentrating solar-rays for solar heat collectors with reflectors with parabolic reflective surfaces
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S10/00Solar heat collectors using working fluids
    • F24S10/40Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S10/00Solar heat collectors using working fluids
    • F24S10/70Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S30/00Arrangements for moving or orienting solar heat collector modules
    • F24S30/40Arrangements for moving or orienting solar heat collector modules for rotary movement
    • F24S30/42Arrangements for moving or orienting solar heat collector modules for rotary movement with only one rotation axis
    • F24S30/425Horizontal axis
    • 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
    • H02S20/00Supporting structures for PV modules
    • H02S20/30Supporting structures being movable or adjustable, e.g. for angle adjustment
    • H02S20/32Supporting structures being movable or adjustable, e.g. for angle adjustment specially adapted for solar tracking
    • 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
    • H02S40/00Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/40Thermal components
    • H02S40/44Means to utilise heat energy, e.g. hybrid systems producing warm water and electricity at the same time
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S30/00Arrangements for moving or orienting solar heat collector modules
    • F24S2030/10Special components
    • F24S2030/11Driving means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S30/00Arrangements for moving or orienting solar heat collector modules
    • F24S2030/10Special components
    • F24S2030/19Movement dampening means; Braking means
    • 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
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/44Heat exchange systems
    • 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
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/47Mountings or tracking
    • 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
    • Y02E10/60Thermal-PV hybrids

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  • General Engineering & Computer Science (AREA)
  • Photovoltaic Devices (AREA)

Abstract

本发明公开一种抛物面槽式水平轴跟踪太阳能集热器,主要包括光伏电池板Ⅰ、光伏电池板Ⅱ、反射镜、真空管、真空管支架、步进电机、控制单元、蓄电池,冷水管、热水管、旋转主轴、固定支架,所述热水管和冷水管分别安装于真空管的左右两端,真空管安装在真空管支架上,真空管支架安装在旋转主轴上;所述光伏电池板Ⅰ和光伏电池板Ⅱ分别安装于反射镜的上下两端,反射镜安装在旋转主轴上,旋转主轴安装在固定支架上;所述控制单元、蓄电池、步进电机安装在固定支架的左端;本发明安装方便,高效节能,尤其适合农村和偏远山区的区域供暖与供热。

Description

一种抛物面槽式水平轴跟踪太阳能集热器
技术领域
本发明涉及一种太阳能集热器,具体涉及一种适合为农村和偏远山区供热和供暖的抛物面槽式水平轴跟踪太阳能集热器。
背景技术
现有的太阳能集热器为平板式集热器和固定真空管集热器;这两种太阳能集热器难以充分利用不断变化角度的太阳光,太阳能集热器的日平均太阳能利用率及集热温度较低;并且大多数农村和山区仍然无法进行集中供热和供暖,鉴于此,目前迫切需要设计一种适合为农村和偏远山区供热和供暖的跟踪式太阳能集热器。
发明内容
针对上述现有技术中存在的问题与缺陷,本发明的目的在于提供一种抛物面槽式水平轴跟踪太阳能集热器,以提高集热效率、便于为农村和山区的供暖与供热。
本发明解决其技术问题所采用的技术方案是一种抛物面槽式水平轴跟踪太阳能集热器,包括光伏电池板Ⅰ、光伏电池板Ⅱ、反射镜、真空管、真空管支架、步进电机、带轮Ⅰ、带轮Ⅱ、同步带、控制单元、蓄电池,冷水管、热水管、旋转主轴、固定支架;
其特征在于,所述热水管和冷水管分别安装于真空管的左右两端,所述真空管安装在真空管支架上,所述真空管支架安装在旋转主轴上,所述光伏电池板Ⅰ和光伏电池板Ⅱ分别安装于反射镜的上下两端,所述反射镜安装在旋转主轴上,所述旋转主轴安装在固定支架上;所述的光伏电池板Ⅰ和光伏电池板Ⅱ将光能转化为电能存储在蓄电池中,所述蓄电池用于辅助加热并为步进电机供电,所述控制单元、蓄电池、步进电机安装在固定支架的左端;所述带轮Ⅱ安装在步进电机的轴上并和控制单元位于反射镜的同一端;所述同步带用于连接带轮Ⅰ和带轮Ⅱ。
本发明一种抛物面槽式水平轴跟踪太阳能集热器的工作原理是:
冷水从冷水管端进入真空管,反光镜聚光至真空管并对其进行加热,同时光伏电池板将太阳光能转化为电能存储在蓄电池中,蓄电池中的电能可辅助真空管内水加热,当太阳光的角度发生偏转时,上下两光伏电池板接收太阳光的强度发生变化,从而导致两光伏电池板产生电能的电势存在电势差,控制单元根据电势差控制电池的阴阳极从而控制步进电机的转动方向,在安装控制单元的一侧观察时,若光伏电池板Ⅰ的电势与光伏电池板Ⅱ的电势差大于零,则步进电机顺时针转动,若光伏电池板Ⅰ的电势与光伏电池板Ⅱ的电势差小于零,则步进电机逆时针转动,若光伏电池板Ⅰ的电势与光伏电池板Ⅱ的电势差等于零,则步进电机静止。
本发明的有益效果是,可跟踪不同角度的太阳光,获得持续较高的集热效果,显著提高日平均集热效率,并且驱动反射镜旋转的动力完全来自光伏电池板转化的电能,而不需要另外布置附加电源及其电路,具有安装方便、高效集热、节能的特点,尤其适合为农村和偏远山区的区域供暖和供热。
附图说明
下面结合附图和具体实施方式对本发明作进一步说明:
图1为本发明一种抛物面槽式水平轴跟踪太阳能集热器的主视图。
图2为本发明一种抛物面槽式水平轴跟踪太阳能集热器的左视图。
具体实施方式
下面结合附图1对本发明作更进一步的说明:
图1为本发明一种抛物面槽式水平轴跟踪太阳能集热器的主视图,包括光伏电池板Ⅰ(3)、光伏电池板Ⅱ(7)、反射镜(1)、真空管(5)、真空管支架(2)、冷水管(4)、热水管(6);所述热水管(6)和冷水管(4)分别安装于真空管(5)的左右两端,所述真空管(5)安装在真空管支架(2)上,所述真空管支架(2)安装在旋转主轴(14)上,所述光伏电池板Ⅰ(3)与光伏电池板Ⅱ(7)分别安装于反射镜(1)的上下两端,用于将太阳能转化为电能。
图2为本发明一种抛物面槽式水平轴跟踪太阳能集热器的左视图,包括步进电机(10)、带轮Ⅰ(12)、带轮Ⅱ(11)、同步带(13)、控制单元(8)、蓄电池(9)、旋转主轴(14)、固定支架(15);图1所述反射镜(1)安装在旋转主轴(14)上,所述旋转主轴(14)安装在固定支架(15)上;图1所述的光伏电池板Ⅰ(3)和光伏电池板Ⅱ(7)将光能转化为电能存储在蓄电池(9)中,所述蓄电池(9)用于辅助加热并为步进电机(10)供电以驱动带轮Ⅱ(11)转动,所述控制单元(8)、蓄电池(9)、步进电机(10)安装在固定支架(15)的一端;所述带轮Ⅰ(12)安装在旋转主轴(14)上并和控制单元(8)位于反射镜(1)的同一端;所述带轮Ⅱ(11)安装在步进电机(10)的轴上,所述同步带(13)用于连接带轮Ⅰ(12)和带轮Ⅱ(11);蓄电池(9)中的电能一方面用于驱动步进电机(10),一部分用于辅助供热;当太阳光的角度发生偏转时,光伏电池板Ⅰ(3)和光伏电池板Ⅱ(7)接收太阳光的强度发生变化从而导致这两个光伏电池板产生电能的电势存在电势差,控制单元(8)根据电势差控制蓄电池(9)的阴阳极从而控制步进电机(10)的转动方向,在控制单元(8)的一端观察时,若光伏电池板Ⅰ(3)的电势与光伏电池板Ⅱ(7)的电势差大于零,则步进电机(10)沿顺时针方向转动,若光伏电池板Ⅰ(3)的电势与光伏电池板Ⅱ(7)的电势差小于零,则步进电机(10)沿逆时针方向转动,若光伏电池板Ⅰ(3)的电势与光伏电池板Ⅱ(7)的电势差等于零,则步进电机(10)停止转动或保持静止状态。
上面以具体实例予以说明本发明的结构及工作原理,本发明并不局限于以上实例,根据上述的说明内容,凡在本发明的精神和原则之内所作的任何修改、替换和改进等,均应包含在本发明的保护范围之内。

Claims (2)

1.一种抛物面槽式水平轴跟踪太阳能集热器,包括光伏电池板Ⅰ(3)、光伏电池板Ⅱ(7)、反射镜(1)、真空管(5)、真空管支架(2)、冷水管(4)、热水管(6)、步进电机(10)、带轮Ⅰ(12)、带轮Ⅱ(11)、同步带(13)、控制单元(8)、蓄电池(9)、旋转主轴(14)、固定支架(15);所述热水管(6)和冷水管(4)分别安装于真空管(5)的左右两端,所述真空管(5)安装在真空管支架(2)上,所述真空管支架(2)安装在旋转主轴(14)上,所述光伏电池板Ⅰ(3)和光伏电池板Ⅱ(7)分别安装于反射镜(1)的上下两端,所述反射镜(1)安装在旋转主轴(14)上,所述旋转主轴(14)安装在固定支架(15)上,所述控制单元(8)、蓄电池(9)、步进电机(10)安装在固定支架(15)的左端;所述带轮Ⅰ(12)安装在旋转主轴(14)上并和控制单元(8)位于反射镜(1)的同一端;所述带轮Ⅱ(11)安装在步进电机(10)的轴上,所述同步带(13)用于连接带轮Ⅰ(12)和带轮Ⅱ(11)。
2.根据权利要求1所述的光伏电池板Ⅰ(3)和光伏电池板Ⅱ(7)将光能转化为电能存储在蓄电池(9)中,所述蓄电池(9)用于辅助加热并为步进电机(10)供电;根据权利要求1所述的控制单元(8),其特征在于,根据光伏电池板Ⅰ(3)和光伏电池板Ⅱ(7)的电势差控制步进电机(10)的转动与静止,在安装控制单元(8)的一端观察时,若光伏电池板Ⅰ(3)的电势与光伏电池板Ⅱ(7)的电势差大于零,则步进电机(10)顺时针转动,若光伏电池板Ⅰ(3)的电势与光伏电池板Ⅱ(7)的电势差小于零,则步进电机(10)逆时针转动,若光伏电池板Ⅰ(3)的电势与光伏电池板Ⅱ(7)的电势差等于零,则步进电机(10)停止转动或保持静止状态。
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CN203350722U (zh) * 2013-07-19 2013-12-18 黄光玉 一种自给动能的向日跟踪承载底座及其集热或光伏发电装置
CN203518284U (zh) * 2013-09-04 2014-04-02 大唐洛阳首阳山发电有限责任公司 太阳能集热跟踪调整器
CN205304724U (zh) * 2016-01-24 2016-06-08 徐超 光伏光热太阳能采集及集水装置
CN206361962U (zh) * 2016-11-10 2017-07-28 西北农林科技大学 一种抛物面槽式水平轴跟踪太阳能集热器

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