CN201278465Y - Household solar power supply system - Google Patents

Household solar power supply system Download PDF

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Publication number
CN201278465Y
CN201278465Y CNU2008201365671U CN200820136567U CN201278465Y CN 201278465 Y CN201278465 Y CN 201278465Y CN U2008201365671 U CNU2008201365671 U CN U2008201365671U CN 200820136567 U CN200820136567 U CN 200820136567U CN 201278465 Y CN201278465 Y CN 201278465Y
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Prior art keywords
inverter
power supply
converter
charger
solar
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Expired - Fee Related
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CNU2008201365671U
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Chinese (zh)
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张元�
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Dongguan Woomi Power Tech Co Ltd
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Dongguan Woomi Power Tech Co Ltd
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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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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

The utility model discloses a family's solar energy power supply system, include the solar cell panel that is formed by a plurality of photocells series connection and the dc-to-ac converter of being connected with solar cell panel, still include the system control ware, be connected with battery management module between solar cell panel and the dc-to-ac converter, a plurality of battery management module connect in parallel back and the dc-to-ac converter is connected with the system control ware through communication bus together, the dc-to-ac converter on be connected with the charger, be connected with the battery on the charger, the charger links to each other with the system control ware through communication bus simultaneously, the dc-to-ac converter on be connected with a control switch in series, the control switch links to each other with the system; the utility model discloses system controller and the battery management module of connecting on the solar cell panel can carry out selective configuration according to user's different needs, can not cause the waste, have saved the energy.

Description

一种家庭太阳能供电系统 A home solar power supply system

技术领域 technical field

本实用新型涉及一种供电系统，尤其涉及一种家庭太阳能供电系统。The utility model relates to a power supply system, in particular to a family solar power supply system.

背景技术 Background technique

太阳能是本世纪人类的主要能源之一，到2050年，世界30％电力生产将主要依靠太阳能。太阳能作为一个不污染环境，又取之不尽的新能源将无处不在，家庭太阳能供电系统是一种将太阳光的光能转化为电能的系统，转换得到的直流电能存储于蓄电池中，通过高频逆变器将直流电能逆变成高频交流电压，再通过高频变压器实现电器隔离和电能传输，高频整流器将隔离后的高频交流电压整流成直流电压，再经电网换流逆变器向电网或负载供电。目前的家庭太阳能供电系统，多是由若干个光电池串组成一定电压的太阳能电池板，再将该电池板进行串联，并将串联后的电池板与直流母线连接来供电，这样的连接方式对于家庭用户来说，由于不同的家庭对电的需求不同，各个太阳能电池板串联后供电，会造成能量的浪费。Solar energy is one of the main energy sources for human beings in this century. By 2050, 30% of the world's electricity production will mainly rely on solar energy. As an inexhaustible new energy source that does not pollute the environment, solar energy will be ubiquitous. The home solar power supply system is a system that converts the light energy of sunlight into electrical energy. The converted DC energy is stored in the battery. Through The high-frequency inverter converts the DC power into a high-frequency AC voltage, and then realizes electrical isolation and power transmission through a high-frequency transformer. The inverter supplies power to the grid or load. The current home solar power supply system mostly consists of several photovoltaic cell strings to form solar panels with a certain voltage, and then connects the panels in series, and connects the series-connected panels to the DC bus for power supply. For users, since different households have different demands for electricity, each solar panel is connected in series to supply power, which will cause energy waste.

实用新型内容 Utility model content

为了克服现有技术的不足，本实用新型提供一种能够根据用户需要配置并管理所需要的太阳能电池板的家庭太阳能供电系统。In order to overcome the deficiencies of the prior art, the utility model provides a home solar power supply system capable of configuring and managing required solar panels according to user needs.

本实用新型解决其技术问题所采用的技术方案是：一种家庭太阳能供电系统，包括由若干光电池串联而成的太阳能电池板以及与太阳能电池板连接的逆变器，还包括系统控制器，所述太阳能电池板和逆变器之间连接有电池管理模块，多个电池管理模块并联后和逆变器一起通过通讯总线与系统控制器连接。The technical solution adopted by the utility model to solve the technical problem is: a household solar power supply system, including a solar battery panel connected in series by several photocells and an inverter connected to the solar battery panel, and also includes a system controller, so A battery management module is connected between the solar panel and the inverter, and multiple battery management modules are connected in parallel with the inverter and connected to the system controller through a communication bus.

所述的逆变器上连接有充电器，所述充电器上连接有蓄电池，该充电器同时通过通讯总线与系统控制器相连。The inverter is connected with a charger, the charger is connected with a storage battery, and the charger is connected with the system controller through a communication bus at the same time.

所述的逆变器上串联有一控制开关，该控制开关通过通讯总线与系统控制器相连。A control switch is connected in series with the inverter, and the control switch is connected with the system controller through a communication bus.

本实用新型的有益效果是：太阳能电池板上连接的系统控制器和电池管理模块能够根据用户的不同的需要进行有选择性的配置，不会造成浪费，节省了能源。The beneficial effect of the utility model is that: the system controller and the battery management module connected on the solar battery board can be selectively configured according to different needs of users, without causing waste and saving energy.

附图说明 Description of drawings

下面结合附图和实施例对本实用新型进一步说明。Below in conjunction with accompanying drawing and embodiment the utility model is further described.

图1是本实用新型的电路原理示意图。Fig. 1 is a schematic diagram of the circuit principle of the utility model.

具体实施方式 Detailed ways

下面结合附图对本实用新型作进一步详细说明。Below in conjunction with accompanying drawing, the utility model is described in further detail.

参照图1所示，一种家庭太阳能供电系统，包括由若干光电池串联而成的太阳能电池板1以及与太阳能电池板1连接的逆变器4，所述太阳能电池板1通过直流母线7与逆变器4连接，直流母线7上还连接有若干还包括系统控制器3和若干电池管理模块2，每一电池管理模块2分别与每一太阳能电池板1串联后与直流母线7连接以将电池管理模块2的输出电压输给逆变器4，经由逆变器4给家庭电网和公共电网供电，多个电池管理模块2并联后和逆变器4一起通过通讯总线8与系统控制器3连接，所述的逆变器4上连接有充电器6，所述充电器6上连接有蓄电池5，该充电器6同时通过通讯总线8与系统控制器3相连，所述的逆变器4上串联有一控制开关9，该控制开关9同时通过通讯总线8与系统控制器3相连。Referring to Fig. 1, a household solar energy power supply system includes a solar panel 1 connected in series with several photovoltaic cells and an inverter 4 connected to the solar panel 1, and the solar panel 1 is connected to the inverter through a DC bus 7. connected to the inverter 4, and several battery management modules 2 including a system controller 3 and several battery management modules 2 are connected to the DC bus 7. The output voltage of the management module 2 is sent to the inverter 4, which supplies power to the home grid and the public grid through the inverter 4. Multiple battery management modules 2 are connected in parallel with the inverter 4 and connected to the system controller 3 through the communication bus 8 , the inverter 4 is connected with a charger 6, the charger 6 is connected with a storage battery 5, and the charger 6 is connected with the system controller 3 through a communication bus 8 at the same time, and the inverter 4 is connected A control switch 9 is connected in series, and the control switch 9 is connected to the system controller 3 through the communication bus 8 at the same time.

作为一种具体的实施例，太阳能电池板1由至少72个0.5V的光电池串联得到电压36V，它将太阳能转换为直流电，由电池管理模块2控制执行，电池管理模块2可为一反激电路，当本实用新型连接至公共电网11时，太阳能电池板1在恒功率模式下运行，没有与公共电网11相连则太阳能电池板1在恒电压模式下运行，电池管理模块2在任何温度及光强度时，都能充分利用每个太阳能电池板的最大功率，根据用户的不同的需要进行有选择性的配置，不会造成浪费，节省了能源。As a specific embodiment, the solar panel 1 is composed of at least 72 0.5V photovoltaic cells in series to obtain a voltage of 36V, which converts solar energy into direct current, and is controlled and executed by the battery management module 2, which can be a flyback circuit , when the utility model is connected to the public power grid 11, the solar battery panel 1 operates in a constant power mode, and when not connected to the public power grid 11, the solar battery panel 1 operates in a constant voltage mode, and the battery management module 2 operates in any temperature and light When the intensity is high, the maximum power of each solar panel can be fully utilized, and selective configuration can be carried out according to the different needs of users, which will not cause waste and save energy.

逆变器4可采用全桥单相逆变器，它将380V的直流电转换成220或120的交流电，当与公共电网11相连时运行在恒功率模式，没有与公共电网11相连时运行在恒电压或恒功率模式。蓄电池5的电压采用与太阳能电池板相同的电压，用于当公共电网11停电的情况下，而且太阳能不足以支持家用负载时对逆变器4进行后备。充电器6用来控制蓄电池5，当它们串联安装完后得到交流电时处于充电模式，当公共电网11停电的情况，太阳能不足以支持负载时处于放电模式。控制开关9为双向开关，当公共电网11停电时立刻将逆变器4从公共电网11上断开，再次连接公共电网11时则配合逆变器4的工作状态。The inverter 4 can be a full-bridge single-phase inverter, which converts the direct current of 380V into an alternating current of 220 or 120V, operates in a constant power mode when connected to the public grid 11, and operates in a constant voltage or constant power mode. The voltage of the storage battery 5 adopts the same voltage as that of the solar panel, and is used for backing up the inverter 4 when the public power grid 11 fails and the solar energy is not enough to support household loads. The charger 6 is used to control the storage battery 5, and it is in the charging mode when they get alternating current after they are installed in series, and is in the discharging mode when the public power grid 11 loses power, and the solar energy is not enough to support the load. The control switch 9 is a two-way switch, which immediately disconnects the inverter 4 from the public grid 11 when the public grid 11 is powered off, and cooperates with the working state of the inverter 4 when the public grid 11 is connected again.

Claims (3)

1、一种家庭太阳能供电系统，包括由若干光电池串联而成的太阳能电池板(1)以及与太阳能电池板(1)连接的逆变器(4)，其特征在于：还包括系统控制器(3)，所述太阳能电池板(1)和逆变器(4)之间连接有电池管理模块(2)，多个电池管理模块(2)并联后和逆变器(4)一起通过通讯总线(8)与系统控制器(3)连接。1. A household solar energy power supply system, comprising a solar panel (1) connected in series with several photocells and an inverter (4) connected to the solar panel (1), characterized in that it also includes a system controller ( 3), a battery management module (2) is connected between the solar panel (1) and the inverter (4), and a plurality of battery management modules (2) are connected in parallel with the inverter (4) through a communication bus (8) Connect with the system controller (3). 2、根据权利要求1所述的一种家庭太阳能供电系统，其特征在于，所述的逆变器(4)上连接有充电器(6)，所述充电器(6)上连接有蓄电池(5)，该充电器(6)同时通过通讯总线(8)与系统控制器(3)相连。2. A home solar energy power supply system according to claim 1, characterized in that a charger (6) is connected to the inverter (4), and a battery ( 5), the charger (6) is connected to the system controller (3) through the communication bus (8) at the same time. 3、根据权利要求1或2所述的一种家庭太阳能供电系统，其特征在于，所述的逆变器(4)上串联有一控制开关(9)，该控制开关(9)通过通讯总线(8)与系统控制器(3)相连。3. A home solar energy power supply system according to claim 1 or 2, characterized in that a control switch (9) is connected in series with the inverter (4), and the control switch (9) is connected via the communication bus ( 8) Connect with the system controller (3).
CNU2008201365671U 2008-09-16 2008-09-16 Household solar power supply system Expired - Fee Related CN201278465Y (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102291051A (en) * 2011-08-19 2011-12-21 何靖宇 Distributed type off-grid solar power station
CN102522731A (en) * 2011-11-30 2012-06-27 日升集团有限公司 Intelligent reclosing controller
US9543761B2 (en) 2010-03-31 2017-01-10 Shenzhen Byd Auto R&D Company Limited Home energy control system and controlling method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9543761B2 (en) 2010-03-31 2017-01-10 Shenzhen Byd Auto R&D Company Limited Home energy control system and controlling method thereof
CN102291051A (en) * 2011-08-19 2011-12-21 何靖宇 Distributed type off-grid solar power station
CN102522731A (en) * 2011-11-30 2012-06-27 日升集团有限公司 Intelligent reclosing controller
CN102522731B (en) * 2011-11-30 2015-04-29 日升集团有限公司 Intelligent reclosing controller

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Granted publication date: 20090722

Termination date: 20100916