CN102593936B - A kind of solar energy and mains hybrid formula are freezed electric power system - Google Patents

A kind of solar energy and mains hybrid formula are freezed electric power system Download PDF

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Publication number
CN102593936B
CN102593936B CN201210038215.3A CN201210038215A CN102593936B CN 102593936 B CN102593936 B CN 102593936B CN 201210038215 A CN201210038215 A CN 201210038215A CN 102593936 B CN102593936 B CN 102593936B
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input
switch
stabilizing circuit
voltage stabilizing
battery
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CN102593936A (en
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马坚
蒋彬
刘文华
张娟
孙科
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Qingdao Haier Special Refrigerator Co Ltd
Haier Group Corp
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Qingdao Haier Special Refrigerator Co Ltd
Haier Group Corp
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/50Energy storage in industry with an added climate change mitigation effect

Abstract

A kind of solar energy and mains hybrid formula electric power supply system controller, comprise direct-flow input end mouth, ac input end mouth, output port, voltage stabilizing circuit module, micro-control circuit module, battery and battery recharger port and battery discharge port, described direct-flow input end mouth is used for solar power generation access, described interchange is used for civil power access, described micro-control circuit module has two voltage detectors and a micro controller, wherein the first voltage detector detects direct current input, second voltage detector detects civil power input, described micro controller is sorted by Switch Controller load electricity consumption priority, wherein direct current input stabilizing circuit input priority is the highest, powered battery is used during electricity shortage, it is finally mains-supplied.Present invention accomplishes the requirement of mains hybrid formula electric power system to power supply priority, improve electric energy conversion utilance, and applied widely, application is installed conveniently.

Description

A kind of solar energy and mains hybrid formula are freezed electric power system
Technical field
The present invention relates to a kind of power transfer device and method, the controller of the electrical source exchange in electric power system of freezing especially for solar energy and mains hybrid formula, and the refrigerating system adopting the method for supplying power to of this controller and adopt this controller to power.
Background technology
Along with expanding economy, expending of the energy is more and more, and energy scarcity causes showing great attention to of various countries, energy-conservation also day by day by people are paid attention to.Create the strategic development planning of economizing type, Innovation-oriented Society according to China, governments at all levels increase research and development and the management input of resources conservation and utilization of new energy resources; All kinds of enterprise also falls over each other to increase raising efficiency of energy utilization, develops the ranks of new forms of energy.But the depletion rate of China's non-renewable resources strengthens year by year in recent years, the restriction of the environmental problem that the finiteness of resource and exploitation cause to the sustainable development of socio-economy becomes increasingly conspicuous.Therefore develop regenerative resource and become trend of the times, and solar energy, this clean environment firendly, inexhaustible regenerative resource is day by day by country is paid attention to.
The current continuous progress along with China's science and technology, to the exploitation of solar energy and trans-utilization like a raging fire, solar water heater is in full flourish, solar power system is also wideling popularize application, the solar power system design of current use, based on solar power system principle, mainly forms electricity generation system by solar battery group, controller for solar, storage battery (group), inverter.And by inverter inversion for AC power for electrical equipment power supply is provided time, by electric power energy more for waste in conversion process.
Regular solar controller has voltage stabilizing, current stabilization, prevents the functions such as back discharge, and this quasi-controller improves to solar panel generating efficiency.The effect of controller for solar is the operating state controlling whole electricity generation system, and storage battery is played to the effect of additives for overcharge protection, over.In the place that the temperature difference is larger, qualified controller also should possess the function of temperature-compensating.Although current controller also can realize the uninterrupted power supply of solar energy mains hybrid, such as, patent No. ZL200620153408.3, name is called: complementary solar energy uninterrupted power supply controller, this controller has cell charge protection, the function of over, and can be not enough at solar cell for supplying power, realize under state that storage battery power supply is not enough AC/DC load by sun-generated electric power to the steady switching of mains supply and under inverse state to solar cell, the function of battery-driven switchback, but systematic analysis is not carried out to load electricity consumption situation, solar power generation is converted into AC power by inverter can consume electric energy when being load supplying, so there is no improve the refrigeration of solar power generation conversion ratio for refrigerator to greatest extent, cause waste of energy, solar energy and the requirement of mains hybrid formula electric power system to priority of powering do not find full expression.
Summary of the invention
The object of the present invention is to provide a kind of solar energy and mains hybrid formula electric power supply system controller, adopt the method for supplying power to of this controller, and the refrigerating system adopting this control and method of supplying power to power, solving controller can not to load, the electricity consumption situations such as such as refrigerator carry out Systematic Analysis, and electric energy conversion utilance is low and can not fully demonstrate solar energy and mains hybrid type refrigerator to the problem of the requirement of priority of powering.
For reaching this object, the present invention by the following technical solutions:
A kind of solar energy and mains hybrid formula electric power supply system controller, comprise direct-flow input end mouth, ac input end mouth, output port, battery, voltage stabilizing circuit module and micro-control circuit module, described direct-flow input end mouth is used for solar power generation access, described ac input end mouth is used for mains-supplied access, described battery can carry out charging or being powered by battery, described output port is used for exporting power supply to load, it is characterized in that:
Described micro-control circuit module has two voltage stabilizing circuit modules and micro controller, two switches,
Wherein direct-flow input end mouth connects the first voltage stabilizing circuit module, and ac input end mouth connects the second voltage stabilizing circuit module;
First output of described micro controller is connected to the first input end of the first switch, and the second output of micro controller is connected to the first input end of second switch, and described first switch, second switch are respectively by the control of micro controller;
Second output of the first voltage stabilizing circuit is connected to the second input of the first switch, and the 3rd output of the first voltage stabilizing circuit is connected to the second input of second switch;
Second output of the second voltage stabilizing circuit is connected to the 3rd input of the first switch, and the 3rd output of the second voltage stabilizing circuit is connected to the 3rd input of second switch;
The output of described first switch connects the electrode of battery;
The four-input terminal of described second switch connects the electrode of battery, and the output of described second switch connects load.
Preferably, also comprise two voltage detectors, wherein the first voltage detector is arranged between the first voltage stabilizing circuit module and micro controller, and the second voltage detector is arranged between the second voltage stabilizing circuit and micro controller;
Wherein the output of direct-flow input end mouth is linked into the input of the first voltage stabilizing circuit, and the first output of this first voltage stabilizing circuit is linked into the first input end of micro controller by the first voltage detector;
The output of ac input end mouth is connected to the input of the second voltage stabilizing circuit, and the first output of this second voltage stabilizing circuit is connected to the second input of micro controller by the second voltage detector;
Described first voltage stabilizing circuit module is direct current regulation circuit module; Described second voltage stabilizing circuit module is alternating current-direct current transformation voltage stabilizing circuit module.
The present invention also provides a kind of solar energy and mains hybrid formula electric power supply system controller, comprise direct-flow input end mouth, ac input end mouth, output port, battery recharger port, battery discharge port, voltage stabilizing circuit module and micro-control circuit module, described direct-flow input end mouth is used for solar power generation access, described ac input end mouth is used for mains-supplied access, described battery recharger port, battery discharge port connect battery for charging to battery or being powered by battery, described output port is used for exporting power supply to load, it is characterized in that:
Described micro-control circuit module has two voltage detectors, two voltage stabilizing circuits and a micro controller, wherein the output of direct-flow input end mouth is linked into the input of the first voltage stabilizing circuit, and the first output of this first voltage stabilizing circuit is linked into the first input end of micro controller by the first voltage detector;
The output of ac input end mouth is connected to the input of the second voltage stabilizing circuit, and the first output of this second voltage stabilizing circuit is connected to the second input of micro controller by the second voltage detector;
First output of described micro controller is connected to the first input end of the first switch, and the second output of micro controller is connected to the first input end of second switch, and described first switch, second switch are respectively by the control of micro controller;
Second output of the first voltage stabilizing circuit is connected to the second input of the first switch, and the 3rd output of the first voltage stabilizing circuit is connected to the second input of second switch;
Second output of the second voltage stabilizing circuit is connected to the 3rd input of the first switch, and the 3rd output of voltage stabilizing circuit is connected to the 3rd input of second switch;
The output of described first switch connects the input of battery;
The four-input terminal of described second switch connects the output of battery, and the output of described second switch connects load.
Preferably, described first voltage stabilizing circuit module is direct current regulation circuit module, and described second voltage stabilizing circuit module is alternating current-direct current transformation voltage stabilizing circuit module; Described civil power is 220 volts of alternating currents.
The present invention also provides the method for supplying power to of a kind of solar energy and mains hybrid formula electric power system, it is characterized in that: use in the controller in claim 1 or 2 micro-control circuit module control, and whether detect power supply output by the voltage detecting direct-flow input end normal
When the first voltage detector detects that DC input voitage is normal, control second switch and make direct current input directly to load supplying, the input of disconnection civil power and battery are to the power supply of load simultaneously;
When the first voltage detector detects the electricity shortage of direct-flow input end mouth, control second switch, use battery to load supplying, disconnect civil power input and direct current input simultaneously;
When direct current input and battery all not enough power supply time, control second switch, disconnect direct current input and battery to the power supply of load, use civil power inputs load supplying.
Preferably, when the first voltage detector detects that DC input voitage is normal, control the first switch and make direct current input simultaneously to battery charging, disconnect civil power input simultaneously.
Preferably, when all deficiency is powered for direct current input and battery, control the first switch simultaneously and civil power input is charged to battery.
The refrigerating system that the present invention also provides a kind of solar energy and mains hybrid formula to power, comprise supply module and refrigerator, it is characterized in that, described supply module comprises direct-flow input end mouth, ac input end mouth, output port, voltage stabilizing circuit module, micro-control circuit module, battery and battery recharger port and battery discharge port, described direct-flow input end mouth is used for solar power generation access, described ac input end mouth is used for mains-supplied access, and output port is used for exporting power supply to refrigerator, wherein:
Described micro-control circuit module has two voltage detectors, two voltage stabilizing circuit modules and a micro controller,
Wherein direct-flow input end mouth connects the first voltage stabilizing circuit module, and the first voltage detector is arranged between the first voltage stabilizing circuit module and micro controller, and described first voltage stabilizing circuit module is direct current regulation circuit module;
Ac input end mouth connects the second voltage stabilizing circuit module, and the second voltage detector is arranged between the second voltage stabilizing circuit and micro controller, and described second voltage stabilizing circuit module is alternating current-direct current transformation voltage stabilizing circuit module;
Described output port access refrigerator, described refrigerator is the DC load adopting DC powered.
Preferably, the output of direct-flow input end mouth is linked into the input of the first voltage stabilizing circuit, and the first output of this first voltage stabilizing circuit is linked into the first input end of micro controller by the first voltage detector;
The output of ac input end mouth is connected to the input of the second voltage stabilizing circuit, and the first output of this second voltage stabilizing circuit is connected to the second input of micro controller by the second voltage detector;
First output of described micro controller is connected to the first input end of the first switch, and the second output of micro controller is connected to the first input end of second switch, and described first switch, second switch are respectively by the control of micro controller;
Second output of the first voltage stabilizing circuit is connected to the second input of the first switch, and the 3rd output of the first voltage stabilizing circuit is connected to the second input of second switch;
Second output of the second voltage stabilizing circuit is connected to the 3rd input of the first switch, and the 3rd output of voltage stabilizing circuit is connected to the 3rd input of second switch;
The output of described first switch connects the input of battery;
The four-input terminal of described second switch connects the output of battery, and the output of described second switch connects refrigerator.
The method of supplying power to that the present invention also provides a kind of solar energy and mains hybrid formula to power refrigerating system, is characterized in that: use in above-mentioned controller micro-control circuit module control, and detect power supply whether normally export by detecting the voltage of direct-flow input end,
When the first voltage detector detects that DC input voitage is normal, control second switch and direct current input is directly powered to refrigerator, the input of disconnection civil power and battery are to the power supply of refrigerator simultaneously;
When the first voltage detector detects the electricity shortage of direct-flow input end mouth, control second switch, use battery to power to refrigerator, disconnect civil power input and direct current input simultaneously;
When direct current input and battery all not enough power supply time, control second switch, disconnect direct current input and battery to the power supply of refrigerator, use civil power inputs powers to refrigerator.
Preferably, when the first voltage detector detects that DC input voitage is normal, control the first switch and make direct current input simultaneously to battery charging, disconnect civil power input simultaneously.
Preferably, when all deficiency is powered for direct current input and battery, control the first switch simultaneously and civil power input is charged to battery.
Whether controller of the present invention detects the input of each energization input by voltage detector normal, and regulated by the micro controller of micro-control circuit and switch, meet the requirement of mains hybrid formula electric power system to power supply priority, improve electric energy conversion utilance, improve production efficiency; Preferential use direct current input (solar panels generating) power supply, uses storage battery power supply when electricity shortage, and raising battery charging and discharging number of times improves its useful life further, and load refrigeration running time when extending insufficient light; When using commercial power charged, preferentially charge the battery, load running is realized by controller transforming circuit, avoids the operation affecting electrical equipment during civil power accidental interruption; Mains-supplied adopts 220 volts of alternating currents, applied widely, installs application conveniently;
The method of supplying power to of solar energy of the present invention and mains hybrid formula electric power system, monitor by arranging voltage detector at each input port, controlled by micro controller, achieve the good configuration of solar power generation, storage battery power supply and mains-supplied priority, improve power supplying efficiency and fail safe;
Adopt the refrigerating system that the solar energy of this kind of controller and mains hybrid formula are powered, owing to there being alternating current-direct current transformation voltage stabilizing circuit in the controller, therefore the direct current exported can directly be powered to refrigerator, do not need to adopt inverter, save electric power resource, and regulated by the micro controller of micro-control circuit and switch, meet the requirement of mains hybrid formula electric power system to power supply priority, improve electric energy conversion utilance, improve production efficiency; Preferential use direct current input (solar panels generating) power supply, uses storage battery power supply when electricity shortage, improves battery charging and discharging number of times further and improves its useful life, and refrigerator refrigerating operaton time when extending insufficient light; When using commercial power charged, preferentially charge the battery, refrigerator runs through controller transforming circuit and realizes, and avoids the operation affecting refrigerator during civil power accidental interruption; Mains-supplied adopts 220 volts of alternating currents, applied widely, installs application conveniently.
Accompanying drawing explanation
Fig. 1 is the overall structure module figure of solar energy and mains hybrid formula electric power supply system controller in first embodiment of the invention;
Fig. 2 is direct current input power supply, the charging principle module map of controller described in first embodiment of the invention;
Fig. 3 is civil power input power supply, the charging principle module map of first embodiment of the invention middle controller;
Fig. 4 is the method for supplying power to flow chart of solar energy and mains hybrid formula electric power system in first embodiment of the invention;
Figure 5 shows that the refrigerating system module figure that solar energy described in second embodiment of the invention and mains hybrid formula are powered.
In figure:
1, solar panel; 2, direct-flow input end mouth; 3, the first voltage detector; 4, micro controller; 5, the second voltage detector; 6, mains-supplied; 7, ac input end mouth; 8, voltage stabilizing circuit module; 801, direct current regulation circuit module; 802, AC transformation voltage stabilizing circuit module; 9, the first switch; 10, battery; 101, battery first electrode; 102, battery second electrode; 11, second switch; 12, output port; 13, load; 14, micro-control circuit module; 15, refrigerator.
Embodiment
Technical scheme of the present invention is further illustrated by embodiment below in conjunction with accompanying drawing.
Fig. 1-Fig. 4 shows the first embodiment of the present invention.
Fig. 1 is direct current input power supply, the charging principle module map of the specific embodiment of the invention, and the circuit module of micro-control shown in figure 14 has:
Comprise direct-flow input end mouth 2, ac input end mouth 7, output port 12, battery recharger port 101, battery discharge port one 02, voltage stabilizing circuit module 8 and micro-control circuit module 14, described direct-flow input end mouth 2 accesses for the generating of solar panel 1, described ac input end mouth 7 is for the access of mains-supplied 6, described battery electrode 101,102 connects battery 10 for charging to battery 10 or being powered by battery, and described output port 12 is for exporting power supply to load 13.
Described micro-control circuit module 14 has two voltage detectors, two voltage stabilizing circuits 8 and a micro controller 4, wherein the output of direct-flow input end mouth is linked into the input of the first voltage stabilizing circuit 801, and the first output of this first voltage stabilizing circuit 801 is linked into the first input end of micro controller 4 by the first voltage detector 3;
The output of ac input end mouth 7 is connected to the input of the second voltage stabilizing circuit 802, and the first output of this second voltage stabilizing circuit 802 is connected to the second input of micro controller 4 by the second voltage detector 5;
First output of described micro controller 4 is connected to the first input end of the first switch 9, and the second output of micro controller is connected to the first input end of second switch 11, and described first switch 9, second switch 12 are respectively by the control of micro controller 4;
Second output of the first voltage stabilizing circuit 801 is connected to the second input of the first switch 9, and the 3rd output of the first voltage stabilizing circuit 801 is connected to the second input of second switch 11;
Second output of the second voltage stabilizing circuit 802 is connected to the 3rd input of the first switch 9, and the 3rd output of the second voltage stabilizing circuit 802 is connected to the 3rd input of second switch 11;
The output of described first switch 9 connects the input 101 of battery 10;
The four-input terminal of described second switch 11 connects the electrode of battery 10, and the output of described second switch 11 connects load 13.
Described first voltage stabilizing circuit module is direct current regulation circuit module, and described second voltage stabilizing circuit module is alternating current-direct current transformation voltage stabilizing circuit module; Described civil power is 220 volts of alternating currents.
Preferably, this battery 10 is storage battery.
Priority of the present invention is set to, and direct-flow input end mouth 2 input priority is the highest, and use battery 10 to power during electricity shortage, be finally mains-supplied 6, its implementation is:
As shown in Figure 2, preferential use solar panel 1 generating power supply in sun-drenched situation by day, use when electricity shortage battery 10 to power, improve battery 10 discharge and recharge number of times further and improve its useful life, and refrigerator refrigerating operaton time when extending insufficient light.Detect generating whether normally export by generate electricity output and direct-flow input end mouth 2 first voltage detector 3 of solar panel 1, and forbid that civil power inputs.
Concrete, whether normally the voltage being detected direct-flow input end mouth 2 by the first voltage detector 3 detect power supply output,
When the first voltage detector 3 detects that DC input voitage is normal, control second switch 11 and direct current input is directly powered to load 13, disconnect the power supply of civil power input and battery 10 pairs of loads 13 simultaneously;
When the first voltage detector 3 detects 2 electricity shortage of direct-flow input end mouth, as shown in Figure 3, control second switch 11 and use battery 10 pairs of loads 13 to power, forbid that the civil power input of ac input end mouth 7 is to load supplying simultaneously;
When all deficiency is powered for direct-flow input end mouth 2 and battery 10, open the 7 pairs of loads 13 of ac input end mouth to power, realized by AC transformation voltage stabilizing circuit module 802, preferential battery 10 charges, second switch disconnects the power supply of battery 10 pairs of loads 13, detects ac input end mouth 7 determine whether commercial power charged by the second voltage detector 5.
Preferably, when the first voltage detector detects that DC input voitage is normal, control the first switch and make direct current input simultaneously to battery charging, disconnect civil power input simultaneously.
Preferably, when all deficiency is powered for direct current input and battery, control the first switch simultaneously and civil power input is charged to battery.
What above-mentioned mains-supplied adopted is AC 220 V household electricity.
Be illustrated in figure 4 solar energy and mains hybrid formula to power refrigerating system method of supplying power to flow chart, in diagram: controlled by the micro-control circuit module of controller, and whether detect power supply output by the voltage detecting direct-flow input end normal, when the first voltage detector detects the electricity shortage of direct-flow input end mouth, opening second switch uses battery to power to refrigerator, forbids that civil power inputs simultaneously; When all deficiency is powered for direct current input and battery, open civil power input to load supplying, realized by alternating current-direct current transformation voltage stabilizing circuit module 8, preferential battery charging, second switch disconnects battery to the power supply of load, and whether detected by the second voltage detector is commercial power charged.Above-mentioned controller architecture is as shown in Fig. 1 module map.
Fig. 5 shows the second embodiment of the present invention.
Be illustrated in figure 5 the refrigerating system module figure of solar energy and mains hybrid formula electric power supply system controller, this refrigerating system comprises direct-flow input end mouth 2, ac input end mouth 7, output port 12, battery recharger port 101, battery discharge port one 02, voltage stabilizing circuit module 8 and micro-control circuit module 14, described direct-flow input end mouth 2 accesses for the generating of solar panel 1, described ac input end mouth 7 is for the access of mains-supplied 6, described battery electrode 101, 102 connect battery 10 for charging to battery 10 or being powered by battery, described output port 12 is for exporting power supply to refrigerator 15.
Described micro-control circuit module 14 has two voltage detectors, two voltage stabilizing circuits 8 and a micro controller 4, wherein the output of direct-flow input end mouth is linked into the input of the first voltage stabilizing circuit 801, and the first output of this first voltage stabilizing circuit 801 is linked into the first input end of micro controller 4 by the first voltage detector 3;
The output of ac input end mouth 7 is connected to the input of the second voltage stabilizing circuit 802, and the first output of this second voltage stabilizing circuit 802 is connected to the second input of micro controller 4 by the second voltage detector 5;
First output of described micro controller 4 is connected to the first input end of the first switch 9, and the second output of micro controller is connected to the first input end of second switch 11, and described first switch 9, second switch 12 are respectively by the control of micro controller 4;
Second output of the first voltage stabilizing circuit 801 is connected to the second input of the first switch 9, and the 3rd output of the first voltage stabilizing circuit 801 is connected to the second input of second switch 11;
Second output of the second voltage stabilizing circuit 802 is connected to the 3rd input of the first switch 9, and the 3rd output of the second voltage stabilizing circuit 802 is connected to the 3rd input of second switch 11;
The output of described first switch 9 connects the electrode of battery 10;
The four-input terminal of described second switch 11 connects the electrode of battery 10, and the output of described second switch 11 connects refrigerator 15.
Described first voltage stabilizing circuit module is direct current regulation circuit module, and described second voltage stabilizing circuit module is alternating current-direct current transformation voltage stabilizing circuit module; Described civil power is 220 volts of alternating currents.
Preferably, this battery 10 is storage battery.
Have employed the controller described in embodiment 1, the refrigerator 15 of this refrigerating system is different from refrigerator common on the market, change refrigerator 15 for being DC load, directly can adopt direct current supply, the civil power of mains-supplied 6 is 220 volts of alternating currents, is converted into direct current supply refrigerator 15 runs by alternating current-direct current transformation voltage stabilizing circuit module 802.
This second embodiment still provides a kind of solar energy and mains hybrid formula and to power the method for supplying power to of refrigerating system, wherein: use in above-mentioned controller micro-control circuit module control, and whether detect power supply output by the voltage detecting direct-flow input end normal
When the first voltage detector detects that DC input voitage is normal, control second switch and direct current input is directly powered to refrigerator 15, disconnect the power supply of civil power input and battery 10 pairs of refrigerators 15 simultaneously;
When the first voltage detector detects the electricity shortage of direct-flow input end mouth, control second switch 11, use battery to power to refrigerator, disconnect civil power input and direct current input simultaneously;
When direct current input and battery all not enough power supply time, control second switch 11, disconnect direct current input and battery to the power supply of refrigerator, use civil power inputs powers to refrigerator 15.
Preferably, when the first voltage detector detects that DC input voitage is normal, control the first switch 9 and make direct current input simultaneously to battery charging, disconnect civil power input simultaneously.
Preferably, when all deficiency is powered for direct current input and battery, control the first switch 9 simultaneously and civil power input is charged to battery.
Whether the present invention detects the input of each energization input by voltage detector normal, and regulated by the micro controller of micro-control circuit and switch, meet the requirement of mains hybrid formula electric power system to power supply priority, improve electric energy conversion utilance, improve production efficiency; Preferential use direct current input (solar panels generating) power supply, uses storage battery power supply when electricity shortage, improves battery charging and discharging number of times further and improves its useful life, and refrigerator refrigerating operaton time when extending insufficient light; When using commercial power charged, preferentially charge the battery, refrigerator runs through controller transforming circuit and realizes, and avoids the operation affecting electrical equipment during civil power accidental interruption; Mains-supplied adopts 220 volts of alternating currents, applied widely, installs application conveniently;
Solar energy of the present invention and mains hybrid formula are freezed the method for supplying power to of electric power system, monitor by arranging voltage detector at each input port, controlled by micro controller, achieve the good configuration of solar power generation, storage battery power supply and mains-supplied priority, improve power supplying efficiency and fail safe;
Adopt the refrigerating system that the solar energy of this kind of controller and mains hybrid formula are powered, owing to there being alternating current-direct current transformation voltage stabilizing circuit in the controller, the direct current therefore exported can directly be powered to refrigerating system, does not need to adopt inverter, saves electric power resource.

Claims (8)

1. the method for supplying power to of a solar energy and mains hybrid formula electric power system, solar energy and mains hybrid formula electric power system comprise controller, described controller comprises direct-flow input end mouth, ac input end mouth, output port, battery, voltage stabilizing circuit module and micro-control circuit module, described direct-flow input end mouth is used for solar power generation access, described ac input end mouth is used for mains-supplied access, described battery can carry out charging or being powered by battery, described output port is used for exporting power supply to load, it is characterized in that:
Described micro-control circuit module has two voltage stabilizing circuit modules and micro controller, two switches,
Wherein direct-flow input end mouth connects the first voltage stabilizing circuit module, and ac input end mouth connects the second voltage stabilizing circuit module;
First output of described micro controller is connected to the first input end of the first switch, and the second output of micro controller is connected to the first input end of second switch, and described first switch, second switch are respectively by the control of micro controller;
Second output of the first voltage stabilizing circuit is connected to the second input of the first switch, and the 3rd output of the first voltage stabilizing circuit is connected to the second input of second switch;
Second output of the second voltage stabilizing circuit is connected to the 3rd input of the first switch, and the 3rd output of the second voltage stabilizing circuit is connected to the 3rd input of second switch;
The output of described first switch connects the electrode of battery;
The four-input terminal of described second switch connects the electrode of battery, and the output of described second switch connects load;
Use in described controller micro-control circuit module control, and detect power supply whether normally export by detecting the voltage of direct-flow input end,
When the first voltage detector detects that DC input voitage is normal, control second switch and make direct current input directly to load supplying, the input of disconnection civil power and battery are to the power supply of load simultaneously;
When the first voltage detector detects the electricity shortage of direct-flow input end mouth, control second switch, use battery to load supplying, disconnect civil power input and direct current input simultaneously;
When direct current input and battery all not enough power supply time, control second switch, disconnect direct current input and battery to the power supply of load, use civil power inputs load supplying.
2. method of supplying power to according to claim 1, it is characterized in that, also comprise the second voltage detector, wherein the first voltage detector is arranged between the first voltage stabilizing circuit module and micro controller, and the second voltage detector is arranged between the second voltage stabilizing circuit and micro controller;
Wherein the output of direct-flow input end mouth is linked into the input of the first voltage stabilizing circuit, and the first output of this first voltage stabilizing circuit is linked into the first input end of micro controller by the first voltage detector;
The output of ac input end mouth is connected to the input of the second voltage stabilizing circuit, and the first output of this second voltage stabilizing circuit is connected to the second input of micro controller by the second voltage detector;
Described first voltage stabilizing circuit module is direct current regulation circuit module; Described second voltage stabilizing circuit module is alternating current-direct current transformation voltage stabilizing circuit module.
3. method of supplying power to according to claim 1, is characterized in that, when the first voltage detector detects that DC input voitage is normal, controls the first switch and makes direct current input simultaneously to battery charging, disconnect civil power input simultaneously.
4. method of supplying power to according to claim 1, is characterized in that, when all deficiency is powered for direct current input and battery, controls the first switch simultaneously and civil power input is charged to battery.
5. a solar energy and mains hybrid formula are powered the method for supplying power to of refrigerating system, the refrigerating system that solar energy and mains hybrid formula are powered comprises supply module and refrigerator, it is characterized in that, described supply module comprises direct-flow input end mouth, ac input end mouth, output port, voltage stabilizing circuit module, micro-control circuit module, battery, described direct-flow input end mouth is used for solar power generation access, described ac input end mouth is used for mains-supplied access, output port is used for exporting power supply to refrigerator, it is characterized in that:
Described micro-control circuit module has two voltage stabilizing circuit modules and micro controller, two switches,
Wherein direct-flow input end mouth connects the first voltage stabilizing circuit module, and ac input end mouth connects the second voltage stabilizing circuit module;
First output of described micro controller is connected to the first input end of the first switch, and the second output of micro controller is connected to the first input end of second switch, and described first switch, second switch are respectively by the control of micro controller;
Second output of the first voltage stabilizing circuit is connected to the second input of the first switch, and the 3rd output of the first voltage stabilizing circuit is connected to the second input of second switch;
Second output of the second voltage stabilizing circuit is connected to the 3rd input of the first switch, and the 3rd output of the second voltage stabilizing circuit is connected to the 3rd input of second switch;
The output of described first switch connects the electrode of battery;
The four-input terminal of described second switch connects the electrode of battery, and the output of described second switch connects refrigerator, and described refrigerator is the DC load adopting DC powered;
Use in described controller micro-control circuit module control, and detect power supply whether normally export by detecting the voltage of direct-flow input end,
When the first voltage detector detects that DC input voitage is normal, control second switch and direct current input is directly powered to refrigerator, the input of disconnection civil power and battery are to the power supply of refrigerator simultaneously;
When the first voltage detector detects the electricity shortage of direct-flow input end mouth, control second switch, use battery to power to refrigerator, disconnect civil power input and direct current input simultaneously;
When direct current input and battery all not enough power supply time, control second switch, disconnect direct current input and battery to the power supply of refrigerator, use civil power inputs powers to refrigerator.
6. method of supplying power to according to claim 5, is characterized in that:
Also comprise the second voltage detector, wherein the first voltage detector is arranged between the first voltage stabilizing circuit module and micro controller, and the second voltage detector is arranged between the second voltage stabilizing circuit and micro controller;
Wherein the output of direct-flow input end mouth is linked into the input of the first voltage stabilizing circuit, and the first output of this first voltage stabilizing circuit is linked into the first input end of micro controller by the first voltage detector;
The output of ac input end mouth is connected to the input of the second voltage stabilizing circuit, and the first output of this second voltage stabilizing circuit is connected to the second input of micro controller by the second voltage detector;
Described first voltage stabilizing circuit module is direct current regulation circuit module; Described second voltage stabilizing circuit module is alternating current-direct current transformation voltage stabilizing circuit module.
7. method of supplying power to according to claim 5, is characterized in that, when the first voltage detector detects that DC input voitage is normal, controls the first switch and makes direct current input simultaneously to battery charging, disconnect civil power input simultaneously.
8. method of supplying power to according to claim 5, is characterized in that, when all deficiency is powered for direct current input and battery, controls the first switch simultaneously and civil power input is charged to battery.
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