Household photovoltaic power generation system
A photovoltaic power generation system and household technology, applied in the photovoltaic field, can solve the problems of insufficient detection strength, inability to achieve the expected use effect, insufficient safety performance, etc., and achieve the effect of ensuring the safety of electricity consumption
Inactive Publication Date: 2020-03-27
YIWU INDAL & COMMERICAL COLLEGE
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Problems solved by technology
[0003] The purpose of the present invention is to at least solve one of the above-mentioned technical defects. Especially at present, only photovoltaic power stations are equipped with power generation detection devices to ensure the safety of photovoltaic power generation. However, for household photovoltaic power generation systems, the safety performance is not enough. The detection strength is not enough, and the control effect is not good, and the technical defect that cannot achieve the expected use effect
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[0017] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0018] Those skilled in the art will understand that unless otherwise stated, the singular forms "a", "an", "said" and "the" used herein may also include plural forms. It should be further understood that the word "comprising" used in the description of the present invention refers to the presence of said features, integers, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, Integers, steps, operations, elements, components, and / or groups thereof. It will be unders...
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The invention provides a household photovoltaic power generation system, and the system comprises a photovoltaic module which is electrically connected to a storage battery and is used for receiving solar energy, converting the solar energy into electric energy, and storing the electric energy in the storage battery; a storage battery which is used for receiving electric energy of the photovoltaicmodule; a charging and discharging controller which is connected to the storage battery and used for controlling charging and discharging of the storage battery; an inverter which is connected between the photovoltaic module and the storage battery and used for converting direct current of the photovoltaic module into alternating current to be stored; a sampling circuit which samples the currentoutput by the storage battery; an alarm device which is used for giving an alarm when the output current of the storage battery does not meet preset conditions. According to the embodiment of the invention, the sampling circuit, the charging and discharging controller and the alarm device are arranged in the household photovoltaic power generation system, the use condition of the photovoltaic power generation system can be monitored, and when the current output by the power generation system is abnormal, a user can be notified in time, so that the power utilization safety of the user is ensured.
Description
technical field [0001] The present invention relates to the field of photovoltaic technology, in particular, the present invention relates to a household photovoltaic power generation system. Background technique [0002] At present, the application of photovoltaic power generation is more and more extensive. Photovoltaic power generation is a technology that directly converts light energy into electrical energy by using the photovoltaic effect of the semiconductor interface. It is mainly composed of three parts: solar panels, controllers and inverters. , the main components are composed of electronic components. The photovoltaic panel converts solar energy into electrical energy and transmits it to the controller. The controller controls the electrical energy and then transmits it to the inverter. AC power is used for AC loads. When the solar energy is sufficient, the excess electric energy will be stored in the battery; when the solar energy is insufficient, the battery wi...
Claims
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IPC IPC(8): H02S10/20H02J7/35H02J50/00
CPCH02J7/35H02S10/20H02J50/00Y02B10/10Y02E10/56Y02E70/30
Inventor 李时辉王波王小强朱加民郑陈孙
Owner YIWU INDAL & COMMERICAL COLLEGE
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