CN205385337U - Solar photovoltaic accumulate power supply unit - Google Patents
Solar photovoltaic accumulate power supply unit Download PDFInfo
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- CN205385337U CN205385337U CN201620190727.5U CN201620190727U CN205385337U CN 205385337 U CN205385337 U CN 205385337U CN 201620190727 U CN201620190727 U CN 201620190727U CN 205385337 U CN205385337 U CN 205385337U
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- 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
- Y02B10/10—Photovoltaic [PV]
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- 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
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- 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
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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Abstract
本实用新型涉及一种太阳能光伏储电供电装置，电源输出端与最大功率跟踪电路相连接，最大功率跟踪电路的输出端与第一变流充电装置的输入端相连接，第一变流充电装置的输出端与蓄电池的电源端相连接；配电网的电源端与第二变流充电装置的输入端相连接，第二变流充电装置的输出端也与蓄电池的电源端相连接，蓄电池的输出端与逆变器的输入端相连接；中央控制器分别与最大功率跟踪电路、第一变流充电装置、第二变流充电装置、逆变器、显示屏的控制端相连接。以节能减排，智能用电，提高家庭用户用电可靠性，家庭用户经济用电为目的，在用电低谷时从配电网获取储存电能，白天将太阳能转成电能并储存，在用电高峰期或电网停电期间提供电能。
The utility model relates to a solar photovoltaic power storage and power supply device. The output end of a power supply is connected with a maximum power tracking circuit, the output end of the maximum power tracking circuit is connected with the input end of a first variable current charging device, and the first variable current charging device The output terminal of the power distribution network is connected with the power terminal of the storage battery; the power supply terminal of the distribution network is connected with the input terminal of the second converter charging device, and the output terminal of the second converter charging device is also connected with the power terminal of the battery. The output terminal is connected with the input terminal of the inverter; the central controller is respectively connected with the maximum power tracking circuit, the first variable current charging device, the second variable current charging device, the inverter and the control terminals of the display screen. With the aim of energy conservation and emission reduction, intelligent electricity consumption, improving the reliability of electricity consumption by household users, and economical electricity consumption by household users, it obtains and stores electric energy from the distribution network during low power consumption, converts solar energy into electric energy and stores it during the day, and saves electricity during the electricity consumption. Provides power during peak hours or grid outages.
Description
技术领域technical field
本实用新型属于新能源技术领域，尤其涉及一种太阳能光伏储电供电装置。The utility model belongs to the technical field of new energy, in particular to a solar photovoltaic power storage and power supply device.
背景技术Background technique
大电网以大型发电、集中发电为主，电能输出稳定，但民用电和工业用电存在明显时间段差异，致使用电出现明显峰谷，夜间用户用电水平下降，电厂发不出电，白天供电能力不足，制约用户用电。电厂供电节能减排，错峰用电，削峰填谷。不间断电源(UPS)设计的初衷是用于应急，解决突然停电引起数据丢失和工作中断等问题，且供电时间有限。现已有针对个人使用的储电供电设备，但充电时间长，持续供电时间短，仅仅满足基本短时用电需求，针对家庭为单位的设备存在谷值储电不足，无法实现家庭用户不间断经济用电的目标。Large-scale power grids are dominated by large-scale power generation and centralized power generation, and the power output is stable. However, there are obvious time interval differences between residential power and industrial power consumption, resulting in obvious peaks and valleys in power consumption. Insufficient power supply capacity restricts users' electricity consumption. Energy saving and emission reduction for power supply of power plants, shifting peak power consumption, shaving peaks and filling valleys. The original intention of uninterruptible power supply (UPS) design is for emergency, to solve problems such as data loss and work interruption caused by sudden power failure, and the power supply time is limited. There are already power storage and power supply equipment for personal use, but the charging time is long and the continuous power supply time is short, which can only meet the basic short-term power demand. The equipment for the family unit has insufficient valley value power storage, and it is impossible to realize uninterrupted home users. The goal of economical electricity use.
发明内容Contents of the invention
本实用新型为解决公知技术中存在的针对家庭为单位的设备存在谷值储电不足，无法实现家庭用户不间断经济用电问题而提供一种结构简单、安装使用方便、提高工作效率的太阳能光伏储电供电装置。The utility model provides a solar photovoltaic system with simple structure, convenient installation and use, and improved work efficiency in order to solve the problem of insufficient valley value storage of electricity for family-based equipment in the known technology and the inability to realize uninterrupted economical electricity consumption for home users. Storage power supply device.
本实用新型为解决公知技术中存在的技术问题所采取的技术方案是：该太阳能光伏储电供电装置包括：中央控制器、光伏电池、最大功率跟踪电路、第一变流充电装置、显示屏、配电网、第二变流充电装置、蓄电池、逆变器；The technical solution adopted by the utility model to solve the technical problems existing in the known technology is: the solar photovoltaic power storage and power supply device includes: a central controller, a photovoltaic battery, a maximum power tracking circuit, a first variable current charging device, a display screen, Distribution network, second converter charging device, storage battery, inverter;
光伏电池的电源输出端与最大功率跟踪电路相连接，最大功率跟踪电路的输出端与第一变流充电装置的输入端相连接，第一变流充电装置的输出端与蓄电池的电源端相连接；配电网的电源端与第二变流充电装置的输入端相连接，第二变流充电装置的输出端也与蓄电池的电源端相连接，蓄电池的输出端与逆变器的输入端相连接；中央控制器分别与最大功率跟踪电路、第一变流充电装置、第二变流充电装置、逆变器、显示屏的控制端相连接。The output terminal of the power supply of the photovoltaic cell is connected to the maximum power tracking circuit, the output terminal of the maximum power tracking circuit is connected to the input terminal of the first variable current charging device, and the output terminal of the first variable current charging device is connected to the power supply terminal of the storage battery ; The power supply terminal of the distribution network is connected with the input terminal of the second variable current charging device, the output terminal of the second variable current charging device is also connected with the power supply terminal of the battery, and the output terminal of the battery is connected with the input terminal of the inverter. connection; the central controller is respectively connected with the maximum power tracking circuit, the first variable current charging device, the second variable current charging device, the inverter, and the control terminals of the display screen.
本实用新型还采取如下技术措施：The utility model also takes following technical measures:
所述的最大功率跟踪电路包括控制主电路、开关、调整电路；主控电路通过开关与调整电路相连接。The maximum power tracking circuit includes a control main circuit, a switch and an adjustment circuit; the main control circuit is connected with the adjustment circuit through a switch.
所述的第一变流充电装置内安装有DC-DC变换电路，第二变流充电装置内安装有整流电路。A DC-DC conversion circuit is installed in the first variable current charging device, and a rectification circuit is installed in the second variable current charging device.
本实用新型具有的优点和积极效果是：该太阳能光伏储电供电装置以节能减排，提高家庭用户用电可靠性，家庭用户经济用电为目的，将整流技术、铅酸蓄电池充电技术、铅酸蓄电池放电技术、逆变技术和计算机技术结合，引入光伏发电技术，形成一套储电用电装置。在用电低谷时从配电网获取储存电能，白天将太阳能转成电能并储存，在用电高峰期或停电期提供电能。The advantages and positive effects of the utility model are: the solar photovoltaic power storage and power supply device uses rectification technology, lead-acid battery charging technology, lead Acid battery discharge technology, inverter technology and computer technology are combined, and photovoltaic power generation technology is introduced to form a set of power storage and power consumption devices. Obtain stored electric energy from the distribution network during low power consumption, convert solar energy into electric energy during the day and store it, and provide electric energy during peak power consumption or power outage periods.
附图说明Description of drawings
图1是本实用新型实施例提供的太阳能光伏储电供电装置的结构示意图；Fig. 1 is a schematic structural diagram of a solar photovoltaic power storage and power supply device provided by an embodiment of the present invention;
图中：1、中央控制器；2、光伏电池；3、最大功率跟踪电路；4、第一变流充电装置；5、显示屏；6、配电网；7、第二变流充电装置；8、蓄电池；9、逆变器。In the figure: 1. Central controller; 2. Photovoltaic battery; 3. Maximum power tracking circuit; 4. First inverter charging device; 5. Display screen; 6. Distribution network; 7. Second inverter charging device; 8. Battery; 9. Inverter.
具体实施方式detailed description
为能进一步了解本实用新型的发明内容、特点及功效，兹例举以下实施例，并配合附图详细说明如下：In order to further understand the invention content, characteristics and effects of the present utility model, the following examples are given, and detailed descriptions are as follows in conjunction with the accompanying drawings:
请参阅图1所示：该太阳能光伏储电供电装置包括：中央控制器1、光伏电池2、最大功率跟踪电路3、第一变流充电装置4、显示屏5、配电网6、第二变流充电装置7、蓄电池8、逆变器9；Please refer to Figure 1: the solar photovoltaic power storage and power supply device includes: a central controller 1, a photovoltaic cell 2, a maximum power tracking circuit 3, a first variable current charging device 4, a display screen 5, a distribution network 6, a second Converter charging device 7, storage battery 8, inverter 9;
光伏电池2的电源输出端与最大功率跟踪电路3相连接，最大功率跟踪电路3的输出端与第一变流充电装置4的输入端相连接，第一变流充电装置4的输出端与蓄电池8的电源端相连接；配电网6的电源端与第二变流充电装置7的输入端相连接，第二变流充电装置7的输出端也与蓄电池8的电源端相连接，蓄电池8的输出端与逆变器9的输入端相连接；中央控制器1分别与最大功率跟踪电路3、第一变流充电装置4、第二变流充电装置7、逆变器9、显示屏5的控制端相连接。The output terminal of the power supply of the photovoltaic cell 2 is connected with the maximum power tracking circuit 3, the output terminal of the maximum power tracking circuit 3 is connected with the input terminal of the first variable current charging device 4, and the output terminal of the first variable current charging device 4 is connected with the battery 8 is connected to the power supply terminal; the power supply terminal of the distribution network 6 is connected to the input terminal of the second variable current charging device 7, and the output terminal of the second variable current charging device 7 is also connected to the power supply terminal of the battery 8, and the battery 8 The output end of the inverter is connected with the input end of the inverter 9; the central controller 1 is respectively connected with the maximum power tracking circuit 3, the first variable current charging device 4, the second variable current charging device 7, the inverter 9, and the display screen 5 connected to the control terminal.
所述的最大功率跟踪电路3包括控制主电路、开关、调整电路；主控电路通过开关与调整电路相连接。The maximum power tracking circuit 3 includes a control main circuit, a switch and an adjustment circuit; the main control circuit is connected with the adjustment circuit through a switch.
所述的第一变流充电装置4内安装有DC-DC变换电路，第二变流充电装置7内安装有整流电路。A DC-DC conversion circuit is installed in the first variable current charging device 4 , and a rectification circuit is installed in the second variable current charging device 7 .
最大功率跟踪电路3通过控制主电路的开关，调整电路(如Boost)的输入端电压为光伏电池2最大功率点对应电压，从而实现光伏电池2的最大功率发电，提高光伏电池2发电效率。第一变流充电装置4是一个DC-DC变换电路，根据蓄电池8的充电曲线，对DC-DC电路的输出电压或电流进行控制，最终实现对蓄电池8的快速充电。显示屏5对接中央控制器1，采用触摸屏实现。配电网6中的市电通过房屋的入户线路为第二变流装置提供交流电输入。第二变流充电装置7根据蓄电池8充电曲线输出电压或电流，实现对蓄电池8安全快速充电。The maximum power tracking circuit 3 adjusts the input terminal voltage of the circuit (such as Boost) to the voltage corresponding to the maximum power point of the photovoltaic cell 2 by controlling the switch of the main circuit, thereby realizing the maximum power generation of the photovoltaic cell 2 and improving the power generation efficiency of the photovoltaic cell 2 . The first variable current charging device 4 is a DC-DC conversion circuit, which controls the output voltage or current of the DC-DC circuit according to the charging curve of the battery 8 , and finally realizes fast charging of the battery 8 . The display screen 5 is connected to the central controller 1 and is realized by a touch screen. The mains power in the distribution network 6 provides AC power input for the second converter device through the household line of the house. The second variable current charging device 7 outputs voltage or current according to the charging curve of the storage battery 8 to realize safe and fast charging of the storage battery 8 .
整流是指把交流变化的功率变换成直流功率；铅酸电池充电技术是指确保安全和蓄电池8使用寿命的前提下，对铅酸蓄电池8实施快速充电的技术；铅酸电池放电技术是指确保安全和蓄电池8使用寿命的前提下，针对负载需求对铅酸蓄电池8实施放电的技术；逆变技术是指把直流功率变换成交流变化功率的技术；计算机技术是指以计算机为平台，采用配套的计算机软件实现整流、充放电、逆变控制方法的数字控制技术。Rectification refers to converting the power of AC change into DC power; lead-acid battery charging technology refers to the technology of fast charging lead-acid battery 8 under the premise of ensuring safety and service life of battery 8; lead-acid battery discharge technology refers to ensuring Under the premise of safety and the service life of the battery 8, the technology of discharging the lead-acid battery 8 according to the load demand; the inverter technology refers to the technology of converting the DC power into the AC variable power; the computer technology refers to the computer as the platform, using supporting Advanced computer software realizes the digital control technology of rectification, charging and discharging, and inverter control methods.
现有家庭用储电设备主要针对电网谷值时储电，峰值时释放电能，局限于从配电网6低谷时获取电能，有限的时间条件下，导致不能满足配电网6峰值时负荷需求。Existing household power storage equipment is mainly aimed at storing electricity when the power grid is at a valley value, and releasing electric energy at a peak time. It is limited to obtaining electric energy from the distribution network 6 at a low point. Under limited time conditions, it cannot meet the load demand of the distribution network 6 at peak times. .
光伏发电技术指利用太阳能光伏电池2将太阳能转换成电能，再经电力变换装置给蓄电池8充电，或者直接送给直流负载(如笔记本电脑、手机等)和经过逆变后供给交流负载(电视机、冰箱等)。Photovoltaic power generation technology refers to the use of solar photovoltaic cells 2 to convert solar energy into electrical energy, and then charge the battery 8 through a power conversion device, or directly send it to DC loads (such as laptops, mobile phones, etc.) and supply AC loads (TV sets) after inversion. , refrigerator, etc.).
用电低谷指晚上23:00-06:00期间，由中央控制器1启动第二变流装置，对蓄电池8实施充电；白天(如冬天9:00-17:00，夏天7:00-19:00)，由中央控制器1启动光伏发电(最大功率跟踪电路3和第一变流装置)；白天用电时，优先运行光伏发电模式；用电高峰时，由中央控制器1启动逆变器9，为用户供电；运行模式可以通过触摸屏显示，同时可以通过触摸屏设置。实现在用电低谷时从配电网6获取储存电能，白天将太阳能转成电能并储存，在用电高峰期提供电能的功能。在原有基础上引入光伏发电技术，增加了光伏发电输入接口，克服谷值储电不能满足白天或峰值用电的缺陷。Low electricity consumption means that during the period of 23:00-06:00 in the evening, the central controller 1 starts the second inverter device to charge the storage battery 8; during the day (such as 9:00-17:00 in winter, :00), the central controller 1 starts the photovoltaic power generation (maximum power tracking circuit 3 and the first converter device); during daytime power consumption, the photovoltaic power generation mode is prioritized; during peak power consumption, the central controller 1 starts the inverter The device 9 supplies power to the user; the operating mode can be displayed and set through the touch screen at the same time. Realize the function of obtaining stored electric energy from the distribution network 6 during low power consumption, converting solar energy into electric energy and storing it during the day, and providing electric energy during peak power consumption. Introduce photovoltaic power generation technology on the original basis, increase the input interface of photovoltaic power generation, and overcome the defect that the valley value power storage cannot meet the daytime or peak power consumption.
以上所述仅是对本实用新型的较佳实施例而已，并非对本实用新型作任何形式上的限制，凡是依据本实用新型的技术实质对以上实施例所做的任何简单修改，等同变化与修饰，均属于本实用新型技术方案的范围内。The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model in any form. Any simple modifications made to the above embodiments according to the technical essence of the present utility model are equivalent to changes and modifications. All belong to the scope of the technical solution of the utility model.
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| CN114924611A (en) * | 2022-06-08 | 2022-08-19 | 成都信息工程大学 | Photovoltaic cell maximum power point tracking method, device and medium |
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| CN114924611A (en) * | 2022-06-08 | 2022-08-19 | 成都信息工程大学 | Photovoltaic cell maximum power point tracking method, device and medium |
| CN114924611B (en) * | 2022-06-08 | 2023-06-30 | 成都信息工程大学 | Photovoltaic cell maximum power point tracking method, device and medium |
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