CN203761131U - Small user power consumption intelligent distributing system based on solar power generation - Google Patents
Small user power consumption intelligent distributing system based on solar power generation Download PDFInfo
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- CN203761131U CN203761131U CN201420129175.8U CN201420129175U CN203761131U CN 203761131 U CN203761131 U CN 203761131U CN 201420129175 U CN201420129175 U CN 201420129175U CN 203761131 U CN203761131 U CN 203761131U
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- solar
- power generation
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- solar power
- storage battery
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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
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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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
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Photovoltaic Devices (AREA)
Abstract
The utility model provides a small user power consumption intelligent distributing system based on solar power generation, comprising a solar power generation apparatus, an electric quantity detection system, an inverter group, double-throw switches and a storage battery; wherein the solar power generation apparatus is connected with the electric quantity detection system, and is used for performing photovoltaic power generation; the inverter group is connected with the electric quantity detection system, and is used for converting a direct current supplied by the solar power generation apparatus or the storage battery into an alternating current; the double-throw switches connected with electric appliances are connected to commercial power and the inverter group, and are used for flexibly switching between two power supplies, i.e., solar power supply and commercial power supply; the storage battery storing solar generating capacity is connected with the electric quantity detection system, and is used for night illumination and emergency illumination. The small user power consumption intelligent distributing system of the utility model can perform scientific electricity consumption management by flexibly switching between a commercial power supply mode and a solar power supply mode, and can store the superfluous generating capacity while raising an electric energy conversion efficiency, thereby making the best use of solar energy to save energy.
Description
Technical field
The present invention relates to industrial control field, related in particular to a kind of little user power utilization intelligent allocation system based on solar power generation.
Background technology
Along with developing rapidly of global economy, just progressively consume taking oil, natural gas and coal as main limited fossil energy.Solar energy resources is because its characteristic such as widely distributed, renewable, pollution-free has become generally acknowledged desirable alternate resources.At present, related scientific research both domestic and external, technology and branch of industry be all in the research and development of being actively devoted to solar energy relevant device, and obtained suitable achievement and development, as integrated, solar electrically propelled vehicle of the solar energy of skyscraper and building etc.Solar building is the most potential practical field, solar energy passive type and active application are combined to use, with architecture-integral design be the most important thing of solar building, to reach energy-conservation and result of use preferably, but because solar power generation is subject to environmental factor (as temperature, the factors such as illumination) larger, just rely on purely solar power generation and ensure that household electricity is unpractical, so proper solar building is subject to severely restricts in development.Although that solar energy resources has is pollution-free, noiselessness, the advantage such as inexhaustible, nexhaustible, solar energy industry development is swift and violent, still has at present the problems such as conversion efficiency is low and expensive.For this reason, under the prerequisite of current heliotechnics condition, how the more effective energy resources of utilizing are also a major challenge.
Summary of the invention
The deficiency existing for prior art, object of the present invention is just to provide a kind of little user power utilization intelligent allocation system based on solar power generation, this system can be by switching and carry out scientific management electricity consumption flexibly between mains-supplied and solar powered pattern, and can in improving electric energy conversion efficiency, unnecessary energy output can also be stored, thereby utilize energy-saving solar to greatest extent.
To achieve these goals, the technical solution used in the present invention is such: a kind of little user power utilization intelligent allocation system based on solar power generation, comprise device of solar generating, power testing system, inverter group, throw switch and storage battery mutually, described device of solar generating is connected with power testing system, for carrying out photovoltaic generation; Described inverter group is connected with power testing system, for the direct current of device of solar generating or storage battery supply is changed into alternating current; The described mutual throwing switch being connected with electrical appliance is connected in civil power and inverter group, for solar powered and flexible switching mains-supplied two-way power supply; The described storage battery of having stored solar power generation amount is connected with power testing system, for night illumination and emergency lighting; Described mutual throwing switch ensures the in the situation that of solar powered deficiency, electric by civil power reliably working on electricity consumption branch road.
As a kind of preferred version, described power testing system comprises AVR ATmega32A single-chip microcomputer, solar power generation amount detector, photosynthetic solar charging controller, 1602 liquid crystal display, keyboard, described AVR ATmega32A single-chip microcomputer is connected with solar power generation amount detector, photosynthetic solar charging controller, 1602 liquid crystal display and keyboard, and described solar power generation amount detector is connected with device of solar generating; Described photosynthetic solar charging controller is connected in device of solar generating, storage battery and inverter group.
As a kind of preferred version, described solar power generation amount detector comprises voltage attenuation circuit, voltage amplifier circuit, Hall current sensor.
As a kind of preferred version, also comprise the electricity consumption branch road forming by throwing mutually switch, electrical equipment, in described inverter group, an inverter connects an electricity consumption branch road.
As a kind of preferred version, described storage battery is DC power supply or passes through the 220V alternating current of power inverter.
Compared with prior art, beneficial effect of the present invention:
1. Master control chip has adopted AVR ATmega32A single-chip microcomputer, due to some characteristics that AVR single-chip microcomputer has self, avoided such as the unnecessary complicated change-over circuit of ADC conversion chip etc. with and the extra electric quantity consumption that causes.
2. in power testing system, adopted Hall current sensor, Hall current sensor can loss-free switching current voltage, also can avoid the consumption of extra electric weight.
3. can be at complex condition Maximum Power Output, and then can export the electric energy of maximum.
4. in mains-supplied and solar power generation powering mode, switch flexibly, the electricity consumption that can avoid various emergency case to cause is in short supply.
5. whole system circuit structure is simple, durable reliable and avoid extra power consumption, farthest utilizes solar energy resources, reduces city's electric consumption and carbon emission.
Brief description of the drawings
Fig. 1 is electricity consumption intelligent allocation system block diagram;
Fig. 2 is flow chart under normal illumination condition;
Fig. 3 is flow chart under Varying Illumination;
Fig. 4 is that electric weight detects and charging control circuit schematic diagram one;
Fig. 5 is that electric weight detects and charging control circuit schematic diagram two;
Fig. 6 is that electric weight detects and charging control circuit schematic diagram three;
Fig. 7 is that electric weight detects and charging control circuit schematic diagram four;
Fig. 8 is that electric weight detects and charging control circuit schematic diagram five;
Fig. 9 is electricity consumption intelligent allocation system simulink analogous diagram;
Figure 10 is electric current, voltage and the power tracking curve under illumination variation (1KW-0.8KW) condition;
Figure 11 is electric current, voltage and the power tracking curve under illumination cataclysm (1KW-0.5KW) condition.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further described.
Embodiment: as shown in Figure 1, a kind of little user power utilization intelligent allocation system based on solar power generation, comprise device of solar generating, power testing system, inverter group, throw switch and storage battery mutually, described device of solar generating is connected with power testing system, for carrying out photovoltaic generation; Described inverter group is connected with power testing system, for the direct current of device of solar generating or storage battery supply is changed into alternating current; The described mutual throwing switch being connected with electrical appliance is connected in civil power and inverter group, for solar powered and flexible switching mains-supplied two-way power supply; The described storage battery of having stored solar power generation amount is connected with power testing system, for night illumination and emergency lighting; Described mutual throwing switch ensures the in the situation that of solar powered deficiency, electric by civil power reliably working on electricity consumption branch road; Described power testing system comprises AVR ATmega32A single-chip microcomputer, solar power generation amount detector, photosynthetic solar charging controller, 1602 liquid crystal display, keyboard, described AVR ATmega32A single-chip microcomputer is connected with solar power generation amount detector, photosynthetic solar charging controller, 1602 liquid crystal display and keyboard, and described solar power generation amount detector is connected with device of solar generating; Described photosynthetic solar charging controller is connected in device of solar generating, storage battery and inverter group; Described solar power generation amount detector comprises voltage attenuation circuit, voltage amplifier circuit, Hall current sensor; In described inverter group, an inverter connects an electricity consumption branch road; Described storage battery also can be DC power supply or passes through the 220V alternating current of power inverter.When concrete enforcement, under normal illumination condition, solar energy power generating is powered, and when under improper illumination condition, still uses civil power to power, civil power and solar powered between switch, fully rationally use solar power generation.As shown in Figure 2 and Figure 3, suppose that this user power utilization device comprises bath water tank (insulation), single container washing and extracting machine, electric cooker, cabinet air-conditioner, wall hanging air conditioner (some), emergency lighting etc.; Can some electricity consumption branch roads of appropriate design, for the sake of simplicity, each electrical appliance adopts a branch road, and emergency lighting adopts a branch road.Conventionally, system is broadly divided into normal illumination pattern, illumination variation pattern and illumination cataclysm pattern.Wherein, under various patterns, can design the priority orders of household electrical appliance according to different user demands again.Under normal illumination condition, first system carries out the setting of electricity consumption priority, suppose that bath water tank rank is the highest, be single container washing and extracting machine, electric cooker, cabinet air-conditioner, wall hanging air conditioner successively, emergency lighting is in the time detecting that mains-supplied has a power failure, and priority level transfers to the highest.When energy output detector detects after the electric weight of device of solar generating output, energy output accordingly, singlechip controller is selected solar powered branch road according to electricity consumption priority, and other branch roads are still mains-supplied.For example, current device of solar generating electric weight is output as 4KW, remove charge in batteries 1KW(hypothesis), and bath water tank heater is 2KW, washing machine is 1KW, electric cooker is 0.75KW, and it is solar powered can selecting so bath water tank, two branch roads of washing machine, and other branch roads are mains-supplied; If accumulator electric-quantity is full of, washing machine work is complete, can select electric cooker, one of them wall-hung air conditioner work; If after charge in batteries, bath water tank, washing machine, electric cooker work complete, can select cabinet air-conditioner and some wall hanging air conditioner work, make like this solar energy respectively with the form energy storages such as electric energy, heat energy, cold air or offer user use.In the time running into burst reason (as illumination variation or cataclysm time), device of solar generating output electric weight sharply changes, just this may cause quitting work as water tank temperature does not reach assigned temperature, out of service in the washing machine course of work, electric cooker not yet finishes the work in out of service or starting of air conditioner process and suddenly stops.Now will take mains-supplied circuit to power, to solve uncompleted task.As shown in Figure 4, electric quantity detecting circuit is made up of power module, I/V module, V/V module and 1602LCD display circuit, the core of charging control circuit is MPPT controller, under ambient temperature and the continuous complex situations that change of illumination, it is determining the efficiency of charge in batteries, MPPT controller module comprises five modules: solar panel, BUCK DC/DC module, Single Chip Microcomputer (SCM) PWM output control module, PWM driver module, storage battery, wherein PWM driver module drives single-chip microcomputer to export control.As shown in Figure 5, Simulink analogous diagram mainly contains solar-energy photo-voltaic cell emulation module, MPPT emulation module, PWM emulation module, Boost circuit-simulation module etc.As shown in Figure 6, reference battery parameter is open circuit voltage 42V, short circuit current 4.5A, crest voltage 34V, peak current 4A, and after illumination variation (1KW-0.8KW), system can respond and be stabilized in certain value fast.As shown in Figure 7, after illumination cataclysm (1KW-0.5KW), system can respond and be stabilized in certain value equally fast.By provide+15V of circuit of three-terminal voltage-stabilizing integrated (L7815, L7915) and-15V voltage.Because solar cell can not directly supply accumulators, the one because can not make full use of like this solar cell generate electricity can, the 2nd, harmful to storage battery, so employing decompression transducer circuit.
Finally it should be noted that, above embodiment is the non-limiting technical scheme in order to the technical solution of the utility model to be described only, those of ordinary skill in the art is to be understood that, those are modified to the technical solution of the utility model or are equal to replacement, and do not depart from aim and the scope of the technical program, all should be encompassed in the middle of claim scope of the present utility model.
Claims (5)
1. the little user power utilization intelligent allocation system based on solar power generation, it is characterized in that: described intelligent allocation system comprises device of solar generating, power testing system, inverter group, throws switch and storage battery mutually, described device of solar generating is connected with power testing system, for carrying out photovoltaic generation; Described inverter group is connected with power testing system, for the direct current of device of solar generating or storage battery supply is changed into alternating current; The described mutual throwing switch being connected with electrical appliance is connected in civil power and inverter group, for solar powered and flexible switching mains-supplied two-way power supply; The described storage battery of having stored solar power generation amount is connected with power testing system, for night illumination and emergency lighting.
2. a kind of little user power utilization intelligent allocation system based on solar power generation according to claim 1, it is characterized in that: described power testing system comprises AVR ATmega32A single-chip microcomputer, solar power generation amount detector, photosynthetic solar charging controller, 1602 liquid crystal display, keyboard, described AVR ATmega32A single-chip microcomputer is connected with solar power generation amount detector, photosynthetic solar charging controller, 1602 liquid crystal display and keyboard, and described solar power generation amount detector is connected with device of solar generating; Described photosynthetic solar charging controller is connected in device of solar generating, storage battery and inverter group.
3. a kind of little user power utilization intelligent allocation system based on solar power generation according to claim 2, is characterized in that: described solar power generation amount detector comprises voltage attenuation circuit, voltage amplifier circuit, Hall current sensor.
4. a kind of little user power utilization intelligent allocation system based on solar power generation according to claim 1, is characterized in that: also comprise the electricity consumption branch road forming by throwing mutually switch, electrical equipment, in described inverter group, an inverter connects an electricity consumption branch road.
5. a kind of little user power utilization intelligent allocation system based on solar power generation according to claim 1, is characterized in that: described storage battery is DC power supply or passes through the 220V alternating current of power inverter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420129175.8U CN203761131U (en) | 2014-03-21 | 2014-03-21 | Small user power consumption intelligent distributing system based on solar power generation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420129175.8U CN203761131U (en) | 2014-03-21 | 2014-03-21 | Small user power consumption intelligent distributing system based on solar power generation |
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| CN203761131U true CN203761131U (en) | 2014-08-06 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849601A (en) * | 2015-06-01 | 2015-08-19 | 黑龙江省计量检定测试院 | Integrated measurement apparatus of photovoltaic power generation system |
| CN104914973A (en) * | 2015-07-02 | 2015-09-16 | 天津海悦百川科技发展有限公司 | Novel computer power supply |
| WO2017004800A1 (en) * | 2015-07-08 | 2017-01-12 | 罗明镜 | Household solar lighting system |
| CN106571668A (en) * | 2016-08-11 | 2017-04-19 | 合肥通用电源设备有限公司 | Power supply control system capable of adopting solar photovoltaic in office rooms |
| WO2019052875A1 (en) * | 2017-09-12 | 2019-03-21 | Sma Solar Technology Ag | Control processing method for inverter device having h5 topological structure |
| CN110912249A (en) * | 2019-12-23 | 2020-03-24 | 泰州天晶光伏科技有限公司 | Multifunctional control device for photovoltaic power generation |
-
2014
- 2014-03-21 CN CN201420129175.8U patent/CN203761131U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849601A (en) * | 2015-06-01 | 2015-08-19 | 黑龙江省计量检定测试院 | Integrated measurement apparatus of photovoltaic power generation system |
| CN104914973A (en) * | 2015-07-02 | 2015-09-16 | 天津海悦百川科技发展有限公司 | Novel computer power supply |
| WO2017004800A1 (en) * | 2015-07-08 | 2017-01-12 | 罗明镜 | Household solar lighting system |
| CN106571668A (en) * | 2016-08-11 | 2017-04-19 | 合肥通用电源设备有限公司 | Power supply control system capable of adopting solar photovoltaic in office rooms |
| WO2019052875A1 (en) * | 2017-09-12 | 2019-03-21 | Sma Solar Technology Ag | Control processing method for inverter device having h5 topological structure |
| US11451165B2 (en) | 2017-09-12 | 2022-09-20 | Sma Solar Technology Ag | Control processing method for inverter device having H5 topological structure |
| CN110912249A (en) * | 2019-12-23 | 2020-03-24 | 泰州天晶光伏科技有限公司 | Multifunctional control device for photovoltaic power generation |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20160321 |
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| CF01 | Termination of patent right due to non-payment of annual fee |