CN206004396U - 一种智能化并离网互补式光伏发电系统 - Google Patents

一种智能化并离网互补式光伏发电系统 Download PDF

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CN206004396U
CN206004396U CN201620807238.XU CN201620807238U CN206004396U CN 206004396 U CN206004396 U CN 206004396U CN 201620807238 U CN201620807238 U CN 201620807238U CN 206004396 U CN206004396 U CN 206004396U
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沈园众
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    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
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Abstract

本实用新型公开了一种智能化并离网互补式光伏发电系统，包括光伏电源模块、与所述光伏电源模块的输出端连接的储能电源、与所述储能电源的输出端连接的负载电源，还包括市电模块、双电源切换模块、市电检测模块和充放电控制模块，所述市电模块通过整流模块与所述储能电源连接，所述双电源切换模块的输出端分别与所述市电模块和所述储能电源连接，所述市电检测模块的输出端与所述双电源切换模块的输入端连接，所述光伏电源模块的输出端与所述充放电控制模块的输入端连接，所述充放电控制模块的输出端与所述双电源切换模块的输入端连接，所述市电检测模块通过逆变模块与所述负载电源连接。本实用新型通过在逆变器中增加了双电源切换模块，从而保证供电不间断；通过加入无线传输模块和无线发射模块以使用户能够在互联网上进行发电量查询和故障显示，也可进行远程操作，实时监控光伏系统运行情况。

Description

一种智能化并离网互补式光伏发电系统
技术领域
本实用新型涉及一种光伏发电系统，特别涉及一种智能化并离网互补式光伏发电系统。
背景技术
传统光伏发电系统分为并网光伏发电系统和离网光伏发电系统，其规模较小，一般在2-10KW之内。并且传统光伏发电系统并网与离网无法并列运行。申请号201420447400.2的中国实用新型专利公开了一种光伏发电系统，包括：多组光伏组件、检测装置、光伏汇流箱、直流柜和逆变器；所述光伏汇流箱的输入端分别与所述多组光伏组件相连，所述直流柜分别与所述光伏汇流箱和所述逆变器相连，所述检测装置设置在所述光伏汇流箱和所述直流柜之间；所述检测装置，用于获取当前阳光的光通量指数，并根据所述光通量指数与预设指数的关系，向所述光伏汇流箱发送控制信号；所述光伏汇流箱，用于接收所述检测装置发送的控制信号，并根据所述控制信号控制所述其内部的多个开关，调整多组光伏组件之间的连接方式，并向所述直流柜输出直流电；所述直流柜，用于接收所述光伏汇流箱的输出端输出的直流电进行汇流后，向所述逆变器输出；所述逆变器，用于接收所述直流柜输出的汇流后的直流电，对该汇流后的直流电进行电力调整后输出。但是，这种传统的光伏发电系统规模较小，无远程控制和显示功能，无互联网手机显示功能，无自动故障报警功能，传统并网光伏发电系统无储电功能，离网光伏发电系统无卖电功能。
实用新型内容
有鉴于此，本实用新型提供一种便捷性好、智能化程度高、具有互联网控制和显示功能的智能化并离网互补式光伏发电系统。
本实用新型通过以下技术手段解决上述问题：
一种智能化并离网互补式光伏发电系统，包括光伏电源模块、与所述光伏电源模块的输出端连接的储能电源、与所述储能电源的输出端连接的负载电源，还包括市电模块、双电源切换模块、市电检测模块和充放电控制模块，所述市电模块通过整流模块与所述储能电源连接，所述双电源切换模块的输出端分别与所述市电模块和所述储能电源连接，所述市电检测模块的输出端与所述双电源切换模块的输入端连接，所述光伏电源模块的输出端与所述充放电控制模块的输入端连接，所述充放电控制模块的输出端与所述双电源切换模块的输入端连接，所述市电检测模块通过逆变模块与所述负载电源连接。
进一步地，还进一步包括用于采集输入电压、输出电压、输入电流、输出电流、输送发电量和故障信号的无线传输模块，所述无线传输模块连接有无线发射模块。
进一步地，所述无线发射模块包括WiFi发射器和红外发射器。
进一步地，所述负载电源为选自电动机、电阻、电灯泡、扬声器中任一种的电子元件。
进一步地，所述储能电源为多个并联连接的蓄电池。
由于采用了上述技术方案，本实用新型具有如下有益效果：
本实用新型通过在逆变器中增加了双电源切换模块，如果出现异常，检测到电网停电，则将市电检测模块与逆变器的连接切断，然后由市电检测模块发信号给双电源切换模块，双电源切换模块则控制负载电源供电端的连接，根据市电检测模块的信号判断负载电源的供电为逆变器还是储能电源，从而保证供电不间断。
本实用新型通过加入无线传输模块和无线发射模块以采集逆变器的输入电压、输出电压、输入电流、输出电流、输送的发电量及光伏电源模块和逆变电路的故障信息等信号并传输给无线发射模块，无线发射模块将这些信号发送到无线路由和手机，用户能够在互联网上进行发电量查询和故障显示，也可进行远程操作，实时监控光伏系统运行情况。
附图说明
为了更清楚地说明本实用新型实施例的技术方案，下面将对实施例的附图作简单介绍，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本实用新型的模块流程图。
具体实施方式
为了使本实用新型实施例的目的、技术方案和优点更加清楚，下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚地描述。
如图1所示：一种智能化并离网互补式光伏发电系统，包括光伏电源模块3、与所述光伏电源模块3的输出端连接的储能电源8、与所述储能电源8的输出端连接的负载电源4，还包括市电模块9、双电源切换模块7、市电检测模块和充放电控制模块，所述市电模块9通过整流模块1与所述储能电源8连接，所述双电源切换模块7的输出端分别与所述市电模块9和所述储能电源8连接，所述市电检测模块6的输出端与所述双电源切换模块7的输入端连接，所述光伏电源模块3的输出端与所述充放电控制模块2的输入端连接，所述充放电控制模块2的输出端与所述双电源切换模块7的输入端连接，所述市电检测模块6通过逆变模块5与所述负载电源4连接。
本实用新型的工作过程是，如图1所示，市电检测模块6分别与逆变模块5和双电源切换模块7相连接，正常工作下，市电检测模块6将采集到的市电电压、频率、周期等信号输入到逆变模块5，逆变模块5根据信号情况调节完成整个光伏系统对于电源的逆变过程，以达到和电网同步的电压下为负载电源4供电。如果出现异常，检测到电网停电，则将市电模块9与逆变器的连接切断，然后由市电模块9发信号给双电源切换模块7，双电源切换模块7则控制负载电源4供电端的连接，根据市电模块9的信号判断负载电源4的供电为逆变器还是储能电源8。
而储能电源8也根据不同情况，进行选择。正常工作状态下，储能电源8是光伏电源，当光伏电源出现故障，将此信号发送到充放电控制模块2，充放电控制模块2发送信号至双电源切换开关，将光伏供电电路切断，并切换至市电充电电路，市电模块9与整流模块1相连接，为储能电源8充电。
无线传输模块采集逆变器的输入电压、输出电压、输入电流、输出电流、输送的发电量及光伏电源和逆变电路的故障信息等信号并传输给无线发射模块，无线发射模块将这些信号发送到无线路由和手机。使用手机APP和网络即可对这些信号数值进行查询。当用户要对逆变器进行远程操作时，打开手机APP或特定网站，通过看门狗程序即可进行开关机等有限的操作。
本实用新型在传统的基础上进行逆变电路的改进，控制电路优化设计，增加了双电源切换电路，电网电压周期、频率、初相角检测对蓄电池电压和光伏电源和市电进行控制。并加入了WiFi发射器和红外发射器，以发射信号到手机和互联网，能够在互联网上进行发电量查询和故障显示，也可进行远程操作。本实用新型能够将光伏所发电量卖给国家电网又能够将光伏所发电量和市电进行储存。
最后说明的是，以上实施例仅用以说明本实用新型的技术方案而非限制，尽管参照较佳实施例对本实用新型进行了详细说明，本领域的普通技术人员应当理解，可以对本实用新型的技术方案进行修改或者等同替换，而不脱离本实用新型技术方案的宗旨和范围，其均应涵盖在本实用新型的权利要求范围当中。

Claims (5)

1.一种智能化并离网互补式光伏发电系统，其特征在于：包括光伏电源模块、与所述光伏电源模块的输出端连接的储能电源、与所述储能电源的输出端连接的负载电源，还包括市电模块、双电源切换模块、市电检测模块和充放电控制模块，所述市电模块通过整流模块与所述储能电源连接，所述双电源切换模块的输出端分别与所述市电模块和所述储能电源连接，所述市电检测模块的输出端与所述双电源切换模块的输入端连接，所述光伏电源模块的输出端与所述充放电控制模块的输入端连接，所述充放电控制模块的输出端与所述双电源切换模块的输入端连接，所述市电检测模块通过逆变模块与所述负载电源连接。
2.根据权利要求1所述的一种智能化并离网互补式光伏发电系统，其特征在于：还进一步包括用于采集输入电压、输出电压、输入电流、输出电流、输送发电量和故障信号的无线传输模块，所述无线传输模块连接有无线发射模块。
3.根据权利要求2所述的一种智能化并离网互补式光伏发电系统，其特征在于：所述无线发射模块包括WiFi发射器和红外发射器。
4.根据权利要求1-3中任一项所述的一种智能化并离网互补式光伏发电系统，其特征在于：所述负载为选自电动机、电阻、电灯泡、扬声器中任一种的电子元件。
5.根据权利要求1-3中任一项所述的一种智能化并离网互补式光伏发电系统，其特征在于：所述储能电源为多个并联连接的蓄电池。
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CN106941280A (zh) * 2017-04-07 2017-07-11 广州腾岛绿电力技术开发有限公司 一种独立监控离网供电系统
CN110289673A (zh) * 2019-06-17 2019-09-27 徐州一帆新能源科技股份有限公司 一种新型大功率太阳能市政智慧应急电源管理系统
CN110380502A (zh) * 2019-06-24 2019-10-25 广东金晖隆开关有限公司 一种提高供电可靠性的储能电源系统及其控制方法
CN110994609A (zh) * 2019-12-18 2020-04-10 罗宾力电源科技(河北)有限公司 交直流负载供电系统
TWI697167B (zh) * 2018-09-21 2020-06-21 旭隼科技股份有限公司 離並網儲能電路及方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106941280A (zh) * 2017-04-07 2017-07-11 广州腾岛绿电力技术开发有限公司 一种独立监控离网供电系统
TWI697167B (zh) * 2018-09-21 2020-06-21 旭隼科技股份有限公司 離並網儲能電路及方法
CN110289673A (zh) * 2019-06-17 2019-09-27 徐州一帆新能源科技股份有限公司 一种新型大功率太阳能市政智慧应急电源管理系统
CN110380502A (zh) * 2019-06-24 2019-10-25 广东金晖隆开关有限公司 一种提高供电可靠性的储能电源系统及其控制方法
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