Solar power supply control system
A technology of solar power supply and control system, applied in the direction of collectors, electric vehicles, electrical components, etc., can solve the problems of high failure rate susceptible to interference, high equipment cost, complex circuits, etc., and achieve low cost, strong anti-interference performance, System easy effects
Inactive Publication Date: 2015-01-07
SHENZHEN JINGFUYUAN TECH
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Problems solved by technology
The existing control system for controlling solar charging and power supply has the defects of complex circuit, software implementation, susceptibility to interference, high failure rate, and high equipment cost
Method used
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[0012] The invention discloses a solar power supply control system, see figure 1 The schematic block diagram is shown, which has a positive feed bus and a negative feed bus connected to solar photovoltaic panels, and a load (LOAD) connected in series between the positive feed bus PV+ and the negative feed bus PV- and the first Switch G1, battery (BAT) and second switch G2, undervoltage protection module, charge and discharge control module, the positive pole of the battery is connected to the positive feeder bus, the negative pole of the battery is connected to the second switch, and the undervoltage protection module is connected to the control terminal of the first switch , when the undervoltage of the positive and negative feeder buses is measured, the first switch is turned off to stop the load; the charge and discharge control module is connected to the control terminal of the second switch, and when the power supply terminal of the positive and negative feeder buses is de...
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The invention discloses a solar power supply control system, which is provided with a positive feeder bus bar, a negative feeder bus bar, a load, a first switch, a battery, a second switch, an under-voltage protection module and a charge and discharge control module, wherein the load, the first switch, the battery, the second switch, the under-voltage protection module and the charge and discharge control module are connected in series between the positive feeder bus bar and the negative feeder bus bar; the first switch is turned off to stop the work of the load by the under-voltage protection module when a test shows that the bus bar is under voltage; the second switch is turned on to charge the battery by the charge and discharge control module when a test shows that the power end of the bus bar is powered on; the second switch is turned off to stop charging the battery when a test shows that the battery is fully charged; and the second switch is turned on to discharge to the bus bar by the battery when a test shows that the power end of the bus bar is powered off. The solar power supply control system consists of pure hardware; when the solar energy can provide power, the power is provided for the load by using the solar energy and meanwhile the battery is charged by the solar energy; when the solar energy cannot provide power, the power is uninterruptedly provided by the battery; and meanwhile, the solar power supply control system has the advantages of strong anti-interference performance, high reliability, easiness in maintenance and low cost.
Description
technical field [0001] The invention relates to a power supply control system, in particular to an automatic control system for controlling solar charging and power supply. Background technique [0002] Energy is the cornerstone of the existence and development of modern society. With the continuous development of the global economy and society, energy consumption also continues to grow accordingly. As time goes by, the scarcity of fossil energy becomes more and more prominent, and this scarcity is gradually reflected in the price of energy commodities. In the context of the increasingly tense supply of fossil energy, the large-scale development and utilization of renewable energy has become an important part of the energy strategy of various countries in the future. Solar energy is an inexhaustible renewable energy for human beings. It has sufficient cleanliness, absolute safety, relative universality, long life and maintenance, resource adequacy and potential economy, et...
Claims
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IPC IPC(8): H02J7/00
Inventor 钟远亮蒙程飞廖永春陈恒留
Owner SHENZHEN JINGFUYUAN TECH