WO2017004800A1 - 一种太阳能家用照明系统 - Google Patents

一种太阳能家用照明系统 Download PDF

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Publication number
WO2017004800A1
WO2017004800A1 PCT/CN2015/083520 CN2015083520W WO2017004800A1 WO 2017004800 A1 WO2017004800 A1 WO 2017004800A1 CN 2015083520 W CN2015083520 W CN 2015083520W WO 2017004800 A1 WO2017004800 A1 WO 2017004800A1
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Prior art keywords
protection circuit
solar
circuit
lighting system
main controller
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PCT/CN2015/083520
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English (en)
French (fr)
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罗明镜
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罗明镜
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Priority to PCT/CN2015/083520 priority Critical patent/WO2017004800A1/zh
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit 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
    • H02J9/06—Circuit 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
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems 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
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS 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
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems

Definitions

  • the invention relates to a solar household lighting system and belongs to the field of household lighting systems.
  • solar energy As a new energy source, solar energy is inexhaustible and at the same time, because solar energy is a clean energy source, it will not produce waste residue, waste water, waste gas, no noise, and will not affect the ecology. Balance, it will not cause pollution and pollution, so it is widely favored by people today.
  • the technical problem to be solved by the present invention is to provide a solar home lighting system, which is flexible, safe and stable, and can be applied to home residential lighting, and can be widely applied in other occasions, such as traffic light, highway signs, Lightbox advertising, etc., save energy.
  • a solar home lighting system comprising a solar panel, a battery, a main controller, a DC/AC inverter control and a lighting load, and further comprising DC/DC conversion control and voltage sampling, the solar panel passing through a forward bias diode and The relay switch is connected to the battery, and the lighting load is connected to the utility power reserve through a switch, and the main controller includes an overcharge protection circuit, an over discharge protection circuit, a load overcurrent protection circuit, an anti-reverse protection circuit display circuit, and a temperature. Compensation circuit.
  • the input of the main controller is connected to a voltage sample.
  • the output end of the main controller is connected with DC/AC inverter control and DC/DC conversion control, and the circuit is first transformed by DC/DC conversion control, and then inverted by DC/AC inverter control to obtain
  • the required stable AC power can effectively avoid the instability of the photovoltaic cell output voltage, which will affect the back-end circuit.
  • the overcharge protection circuit is connected to the battery, the display circuit, the temperature compensation circuit and the anti-reverse protection circuit, wherein the anti-reverse protection circuit is directly connected to the solar panel, and can ensure that the battery does not pass under any conditions. It is destroyed by being charged or over-discharged, and the maximum use of sunlight.
  • the over-discharge protection circuit is connected in series with the battery and the display circuit.
  • the overdischarge protection circuit is also connected in parallel with the overcurrent protection circuit, the DC/DC conversion control, and the DC/AC inverter control.
  • the DC/AC inverter adopts an inverter with a self-excited inverter mode inverter.
  • the design of the invention is reasonable, and the solar panel is connected to the battery through the positive-biased diode and the relay switch. Due to the discontinuity of the sunlight, the solar panel has no way to generate electricity at night or in the rainy day, and the positive-biased diode and the relay switch are passed. The design can make the most use of Tianyang energy.
  • the system of the invention is equipped with a commercial power reserve, which can cope with the shortage of power supply caused by long continuous rainy weather.
  • the design of the main controller improves the efficiency of the controller and reduces the temperature rise of various components, suitably
  • the method of derating the components is used to perform aging screening on selected components, and a protection circuit is designed to avoid damage to system components due to improper use, thereby effectively extending the service life of the entire system.
  • FIG. 1 is a system diagram of the present invention
  • Figure 2 is a block diagram of the main controller of the present invention.
  • a solar home lighting system includes a solar panel, a battery, a main controller, a DC/AC inverter control, and a lighting load, and further includes DC/DC conversion control and voltage sampling,
  • the solar panel is connected to the battery through the positive-biased diode and the relay switch. Due to the discontinuity of the sunlight and the solar panel cannot generate electricity at night or in the rainy day, the design of the positive-biased diode and the relay switch can be utilized to the utmost extent. Tianyang can.
  • the lighting load is connected to the utility power reserve through the switch, and can cope with the shortage of power supply caused by long-term continuous rainy weather, and ensure the safety and reliability of the lighting system.
  • the main controller includes an overcharge protection circuit, an over discharge protection circuit, a load overcurrent protection circuit, an anti-reverse protection circuit display circuit and a temperature compensation circuit to prevent damage to system components due to improper use, thereby ensuring that the illumination system is normal, Reliable work and effectively extend the life of the entire system.
  • the input of the main controller is connected to a voltage sample for monitoring the voltage in the system and transmitting the data to the main controller.
  • the output of the main controller is connected to DC/AC inverter control and DC/DC conversion control due to
  • the output voltage of the photovoltaic cell is unstable, which will affect the back-end circuit. Therefore, the circuit is first transformed by DC/DC conversion control, and then inverted by DC/AC inverter control to obtain the required stable AC power.
  • the overcharge protection circuit is connected to the battery, the display circuit, the temperature compensation circuit and the anti-reverse protection circuit, wherein the anti-reverse protection circuit is directly connected to the solar panel.
  • the overdischarge protection circuit is in series with the battery and the display circuit.
  • the overdischarge protection circuit is also connected with an overcurrent protection circuit, a DC/DC conversion control, and a DC/AC inverter control Parallel.
  • the DC/AC inverter adopts an inverter with a self-excited inverter mode inverter.
  • the solar panel receives the solar light energy and converts it into electrical energy, which is stored in the battery.
  • the controller converts the electrical energy stored in the battery into the 50 Hz alternating current required for daily illumination for illumination, thereby achieving the purpose of energy saving and environmental protection.
  • the system is designed to connect the battery to the battery through a positive-biased diode and a relay switch to maximize the use of solar energy. Since the capacity of the battery can no longer be maintained in the rainy weather for a long time, the system is equipped with a commercial power reserve, which mainly deals with insufficient power supply caused by long-term rainy weather.
  • the solar panel in the lighting system can directly convert the sunlight into electricity; the battery can store the energy provided by the solar battery for use when needed; the main controller is to ensure that the lighting system works normally and reliably, and the system components are extended (especially It is the service life of the battery. It includes overcharge protection circuit, over discharge protection circuit, load overcurrent protection circuit, anti-reverse protection circuit display circuit and temperature compensation circuit to avoid damage to system components due to improper use; DC/AC Inverter control and DC/DC conversion control are the AC and DC power required to convert the DC power output from the solar panel and the battery into a lighting load. Since the output voltage of the solar panel is unstable, this will affect the back-end circuit.
  • the circuit is transformed by DC/DC conversion control, and then inverted by DC/AC inverter control to obtain the required stable AC power.
  • the selection of the lighting load should also consider the problem of reasonable matching with the DC/AC inverter control, that is, the filament warm-up time and the voltage and current waveform of the excitation lamp are reasonably designed. Properly preheating the filament will effectively extend the service life of the lighting load.
  • the method used to preheat the filament has a preheating start such as a filament series starter, a filament series relay, and a thermistor preheating filament.
  • the controller includes an overcharge protection circuit, an over discharge protection circuit, a load overcurrent protection circuit, an anti-reverse protection circuit display circuit and a temperature compensation circuit, etc., and can ensure that the battery is not overcharged or overdischarged under any conditions. Destroy and maximize the use of sunlight.

Abstract

一种太阳能家用照明系统，属于家用照明系统领域。它包括太阳能电池板、蓄电池、主控制器、DC/AC逆变控制和照明负载，还包括DC/DC变换控制和电压采样，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。该系统配置灵活、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。

Description

一种太阳能家用照明系统 技术领域
本发明涉及一种太阳能家用照明系统，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：提供一种太阳能家用照明系统，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：
一种太阳能家用照明系统，它包括太阳能电池板、蓄电池、主控制器、DC/AC逆变控制和照明负载，还包括DC/DC变换控制和电压采样，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。
其中，所述主控制器的输入端与电压采样相连。
其中，所述主控制器的输出端与DC/AC逆变控制和DC/DC变换控制相连，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，可有效避免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。
其中，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，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。
其中，所述过放保护电路与蓄电池和显示电路相串联。
其中，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。
其中，所述DC/AC逆变器选用自激逆变方式逆变的逆变器。
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天阳能。
2)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)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为本发明中系统图；
图2为本发明中主控制器框图。
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1-2所述，一种太阳能家用照明系统，它包括太阳能电池板、蓄电池、主控制器、DC/AC逆变控制和照明负载，还包括DC/DC变换控制和电压采样，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，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天阳能。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电压采样相连，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DC/AC逆变控制和DC/DC变换控制相连，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。
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。
所述DC/AC逆变器选用自激逆变方式逆变的逆变器。
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，故系统配备市电备用，主要应对长时间连阴雨天气造成的供电不足。
照明系统中太阳能电池板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。
在控制器的作用下，太阳能电池板向蓄电池充电，晚上蓄电池提供电力给负载。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 (7)

  1. 一种太阳能家用照明系统，它包括太阳能电池板、蓄电池、主控制器、DC/AC逆变控制和照明负载，其中，还包括DC/DC变换控制和电压采样，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所述一种太阳能家用照明系统，其中，所述主控制器的输入端与电压采样相连。
  3. 根据权利要求1所述一种太阳能家用照明系统，其中，所述主控制器的输出端与DC/AC逆变控制和DC/DC变换控制相连。
  4. 根据权利要求1所述一种太阳能家用照明系统，其中，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。
  5. 根据权利要求1所述一种太阳能家用照明系统，其中，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所述一种太阳能家用照明系统，其中，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。
  7. 根据权利要求1所述一种太阳能家用照明系统，其中，所述DC/AC逆变器选用自激逆变方式逆变的逆变器。
PCT/CN2015/083520 2015-07-08 2015-07-08 一种太阳能家用照明系统 WO2017004800A1 (zh)

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CN107658962A (zh) * 2017-09-08 2018-02-02 江门市杰信通信工程有限公司 一种节能型通信机房供电系统
CN108539843A (zh) * 2018-06-06 2018-09-14 镇江市高等专科学校 一种基于gsm技术的可控太阳能充电电源及充电方法

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CN106712207A (zh) * 2017-02-07 2017-05-24 长春工程学院 一种防反接防倒灌电池充电保护电路
CN106712207B (zh) * 2017-02-07 2023-06-09 长春工程学院 一种防反接防倒灌电池充电保护电路
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CN108539843A (zh) * 2018-06-06 2018-09-14 镇江市高等专科学校 一种基于gsm技术的可控太阳能充电电源及充电方法

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