CN109067309A - 一种家用太阳能照明及监测系统 - Google Patents

一种家用太阳能照明及监测系统 Download PDF

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CN109067309A
CN109067309A CN201810880403.8A CN201810880403A CN109067309A CN 109067309 A CN109067309 A CN 109067309A CN 201810880403 A CN201810880403 A CN 201810880403A CN 109067309 A CN109067309 A CN 109067309A
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battery
protection circuit
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程宗玉
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SHENZHEN MINKAVE TECHNOLOGY Co Ltd
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SHENZHEN MINKAVE TECHNOLOGY Co Ltd
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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
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/062Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads
    • 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
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/10Photovoltaic [PV]
    • 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
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/30Wind power
    • 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
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/70Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • 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
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • 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
    • Y02E10/76Power conversion electric or electronic aspects
    • 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-user application control systems

Abstract

本发明公开了一种家用太阳能照明及监测系统,它包括太阳能电池板、风力发电机、控制器、蓄电池、主控制器、电压采样和照明负载,所述控制器包括DC/DC变换控制和DC/AC逆变控制,所述太阳能电池板通过正偏二极管和继电开关与蓄电池相连,所述的风力发电机通过DC/AC逆变控制或DC/DC变换控制将信号输入至蓄电池,蓄电池为主控制器和照明负载提供电源,所述照明负载通过开关与市电备用相连,所述主控制器包括过充保护电路、过放保护电路、负载过流保护电路、防反充保护电路显示电路和温度补偿电路。本发明设计合理,运行安全,供电稳定可靠。

Description

一种家用太阳能照明及监测系统
技术领域
本发明涉及一种家用太阳能照明及监测系统,属于家用照明系统领域。
背景技术
太阳能作为一种新能源,取之不尽,用之不竭,同时由于太阳能是一种洁净的能源,在开发利用时,不会产生废渣、废水、废气、也没有噪音,更不会影响生态平衡,绝对不会造成污染和公害,因此在高倡环保的今天,广为被人们所青睐。
前期的太阳能发电都采用大规模的发电站进行太阳能发电,大规模的太阳能发电站由于其规模大、成本高、占地面积大,只适用于公共用电发电,而不适用于普通家庭使用。而无论是在中国,还是在东南亚、非洲等一些国家,特别是某些地广人稀的地方,由于公共资源还欠发达,很多地方都没有公共电力设施进行供电,不得不继续采用最为原始的油灯、石蜡等方式照明,照明效果十分有限,给这些地方的人们造成了极大地不便 ;同样,对于生活在的大草原上的游牧民族,也面临着相同的困难。因此,解决欠发达地区的居民照明问题,成为了人们一直渴望解决而尚未得到有效解决的难题。
近年,以光伏为核心的太阳能发电事业有了飞速的发展,户用光伏系统由于其具有灵活多样、功率小、安装方便的特点,适应广大无电地区的农牧民和游牧民族的通信供电需求。随着电池技术的进步与发展,户用光伏并网发电系统逐步走向城乡。光伏发电与建筑的完美结合,构成的屋顶户用光伏并网发电系统,前景诱人,太阳能家用照明市场前景非常广阔。然而现有的户用光伏并网发电系统只有在阳光充足的时间才能蓄电,而且蓄电量小,如果遇到连续的阴雨天气,更显捉襟见肘。
针对上述不足,急需一种照明效果好,成本低廉,并且安全稳定、便于携带、易搬运的照明系统,以解决上述人们的生活难题。
发明内容
本发明所要解决的技术问题在于:提供一种家用太阳能照明及监测系统,它配置灵活、安全稳定,可适用与家庭住宅照明,并可广泛的应用在其他场合,如交通指挥灯、高速公路标志牌、灯箱广告等等,节省能源。
本发明所要解决的技术问题采取以下技术方案来实现:
一种家用太阳能照明及监测系统,它包括太阳能电池板、风力发电机、控制器、蓄电池、主控制器、电压采样和照明负载,所述控制器包括DC/DC变换控制和DC/AC逆变控制,所述太阳能电池板通过正偏二极管和继电开关与蓄电池相连,所述的风力发电机通过DC/AC逆变控制或DC/DC变换控制将信号输入至蓄电池,蓄电池为主控制器和照明负载提供电源,所述照明负载通过开关与市电备用相连,所述主控制器包括过充保护电路、过放保护电路、负载过流保护电路、防反充保护电路显示电路和温度补偿电路。
所述主控制器的输入端与监测模块及电压采样相连。
所述主控制器的输出端与报警器及控制器相连。
所述过充保护电路与蓄电池、显示电路、温度补偿电路和防反充保护电路相连,其中防反充保护电路直接与太阳能电池板和风力发电机相连,能够在任何条件下,确保蓄电池不会因过充或过放而被破坏,最大程度的利用太阳光和风力,实现风光互补。
所述过放保护电路与蓄电池和显示电路相串联。
所述过放保护电路还与过流保护电路、DC/DC变换控制和DC/AC逆变控制相并联。
本发明的有益效果是:
1)本发明设计合理,太阳能电池板通过正偏二极管和继电开关与蓄电池相连,由于太阳光的不连续性、太阳能电池板在晚上或者阴雨天没有办法发电,通过正偏二极管和继电开关的设计能最大程度的利用太阳能。
2)本发明系统中配备了风力发电机,能有效实现风光互补,最大程度的利用清洁能源;本发明系统配备市电备用,可应对长时间连续阴雨天气造成的供电不足的缺陷。
3)本发明系统还设有监测模块和报警器,使得该系统运行更加可靠安全。
4)主控制器的设计提高了控制器的效率,降低了各种元件的温升,适当地采用降额使用元件的方法,对选定的元器件进行老化筛选,设计有保护电路,避免由于使用不当而损坏系统部件等,可有效延长整个系统的使用寿命。
附图说明
图1为本发明系统框架图;
图2为本发明系统工作原理图;
图3为本发明中主控制器工作原理图。
具体实施方式
为了对本发明的技术手段、创作特征、达成目的与功效易于明白了解,下面结合具体实施例及图示,进一步阐述本发明。
如图1-3所述,一种家用太阳能照明及监测系统,它包括太阳能电池板、风力发电机、控制器、蓄电池、主控制器、电压采样和照明负载,所述控制器包括DC/DC变换控制和DC/AC逆变控制,所述的风力发电机通过DC/AC逆变控制或DC/DC变换控制将信号输入至蓄电池,蓄电池为主控制器和照明负载提供电源,所述太阳能电池板通过正偏二极管和继电开关与蓄电池相连,该系统采用风光互补的技术方案,最大程度的使用清洁能源;由于太阳光的不连续性、太阳能电池板在晚上或者阴雨天没有办法发电,通过正偏二极管和继电开关的设计能最大程度的利用太阳能。所述照明负载通过开关与市电备用相连,可应对长时间连续阴雨天气造成的供电不足的缺陷,保证照明系统运行的安全可靠。所述主控制器包括过充保护电路、过放保护电路、负载过流保护电路、防反充保护电路显示电路和温度补偿电路,避免由于使用不当而损坏系统部件等,可确保照明系统正常、可靠的工作,并且有效延长整个系统的使用寿命。
所述主控制器的输入端与监测模块及电压采样相连,监测模块可对负载进行监控,电压采样用来监测系统中的电压,将数据传递给主控制器。
所述主控制器的输出端与报警器及控制器相连,由于光伏电池输出电压不稳定,这样会对后端电路产生影响,故先将电路通过DC/DC变换控制进行变换,再通过DC/AC逆变控制进行逆变,得到所需的稳定的交流电;当电压持续异常或负载出现问题时发出警报。
所述过充保护电路与蓄电池、显示电路、温度补偿电路和防反充保护电路相连,其中防反充保护电路直接与太阳能电池板相连。
所述过放保护电路与蓄电池和显示电路相串联。
所述过放保护电路还与过流保护电路、DC/DC变换控制和DC/AC逆变控制相并联。
白天,太阳能电池板接收太阳的光能并转换成电能,存储在蓄电池内;夜间,控制器将蓄电池中存储的电能变换成日常照明所需要的50Hz交流电供照明使用,从而达到节能环保的目的。由于太阳光的不连续性、太阳能电池板在晚上或者阴雨天没有办法发电,所以本系统设计将蓄电池通过一个通过正偏二极管和继电开关与蓄电池相连在一起,能最大程度的利用太阳能。由于蓄电池的容量不能再长时间阴雨天气维持,故系统配备风力发电机和市电备用,主要应对长时间连阴雨天气造成的供电不足;当太阳能板及风力发电机不能正常工作时由市电提供电力,确保供电稳定可靠。
照明系统中太阳能电池板和风力发电机能直接将天阳光能转换成电能;蓄电池可以储存太阳能电池提供的电能,以供需要时使用;主控制器主要是保证照明系统正常、可靠地工作,延长系统部件(特别是蓄电池)的使用寿命,它包括过充保护电路、过放保护电路、负载过流保护电路、防反充保护电路显示电路和温度补偿电路,避免由于使用不当而损坏系统部件等;DC/AC逆变控制和DC/DC变换控制,是将太阳能电池板和蓄电池输出的直流电转换成照明负载所需要的交、直流电,由于太阳能电池板输出电压不稳定,这样会对后端电路产生影响,故先将电路通过DC/DC变换控制进行变换,再通过DC/AC逆变控制进行逆变,得到所需的稳定的交流电。而照明负载的选用也要考虑与DC/AC逆变控制合理匹配的问题,即合理地设计灯丝预热时间和激励灯管的电压和电流波形。合理地预热灯丝将有效地延长照明负载的使用寿命,预热灯丝所采用的方法有灯丝串联启辉器、灯丝串联继电器、热敏电阻预热灯丝等预热启动。
在主控制器的作用下,太阳能电池板及风力发电机向蓄电池充电,晚上蓄电池提供电力给负载。主控制器包括过充保护电路、过放保护电路、负载过流保护电路、防反充保护电路显示电路和温度补偿电路等,能够在任何条件下,确保蓄电池不会因过充或过放而被破坏,最大程度的利用太阳光。
以上显示和描述了本发明的基本原理和主要特征和本发明的优点。本行业的技术人员应该了解,本发明不受上述实施例的限制,在不脱离本发明精神和范围的前提下,本发明还会有各种变化和改进,这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。

Claims (6)

1.一种家用太阳能照明及监测系统,其特征在于:它包括太阳能电池板、风力发电机、控制器、蓄电池、主控制器、电压采样和照明负载,所述控制器包括DC/DC变换控制和DC/AC逆变控制,所述太阳能电池板通过正偏二极管和继电开关与蓄电池相连,所述的风力发电机通过DC/AC逆变控制或DC/DC变换控制将信号输入至蓄电池,蓄电池为主控制器和照明负载提供电源,所述照明负载通过开关与市电备用相连,所述主控制器包括过充保护电路、过放保护电路、负载过流保护电路、防反充保护电路显示电路和温度补偿电路。
2.根据权利要求1所述一种家用太阳能照明及监测系统,其特征在于:所述主控制器的输入端与监测模块及电压采样相连。
3.根据权利要求1所述一种家用太阳能照明及监测系统,其特征在于:所述主控制器的输出端与报警器及控制器相连。
4.根据权利要求1所述一种家用太阳能照明及监测系统,其特征在于:所述过充保护电路与蓄电池、显示电路、温度补偿电路和防反充保护电路相连,其中防反充保护电路直接与太阳能电池板和风力发电机相连,能够在任何条件下,确保蓄电池不会因过充或过放而被破坏,最大程度的利用太阳光和风力,实现风光互补。
5.根据权利要求1所述一种家用太阳能照明及监测系统,其特征在于:所述过放保护电路与蓄电池和显示电路相串联。
6.根据权利要求1所述一种家用太阳能照明及监测系统,其特征在于:所述过放保护电路还与过流保护电路、DC/DC变换控制和DC/AC逆变控制相并联。
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Publication number Priority date Publication date Assignee Title
CN110158096A (zh) * 2019-06-10 2019-08-23 上海电力学院 利用太阳能发电实现海水设备防腐蚀的装置

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CN104981068A (zh) * 2015-07-08 2015-10-14 西宁科进工业设计有限公司 一种太阳能家用照明系统

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CN104981068A (zh) * 2015-07-08 2015-10-14 西宁科进工业设计有限公司 一种太阳能家用照明系统

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110158096A (zh) * 2019-06-10 2019-08-23 上海电力学院 利用太阳能发电实现海水设备防腐蚀的装置

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