CN102570574A - Wind-light complementary charging device - Google Patents
Wind-light complementary charging device Download PDFInfo
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- CN102570574A CN102570574A CN2012100258512A CN201210025851A CN102570574A CN 102570574 A CN102570574 A CN 102570574A CN 2012100258512 A CN2012100258512 A CN 2012100258512A CN 201210025851 A CN201210025851 A CN 201210025851A CN 102570574 A CN102570574 A CN 102570574A
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Abstract
The invention relates to a wind-light complementary charging device, which comprises a wind energy generator, a photoelectric cell, a master control module, a wind power control module and a photoelectric control module, wherein a photoelectric adjusting unit is connected with the output side of the photoelectric cell, and the master control module is used for controlling charging. The wind-light complementary charging device is characterized in that an active PFC (power factor correction) unit for promoting power factors is connected with the output side of a rectifying unit, the output end of the active PFC unit and the output end of the photoelectric adjusting unit are respectively connected with a prestoring unit, the master control module at least monitors the electric energy state of the prestoring unit, and the control strategy of the master control module to the wind power control module and the photoelectric control module at least includes that the wind power control module and the photoelectric control module are not conduced at the same time. The wind-light complementary charging device solves the problems of the prior art that the efficiency is low, system energy consumption is great, and charging in condition of generation deficiency cannot be realized.
Description
Technical field
The present invention relates to a kind of wind light mutual complementing charging device, particularly used charging device of wind-powered electricity generation and light-electricity complementary electricity generation system and relevant control method thereof.
Background technology
The energy is the power of human social development.Along with energy supply and demand contradiction is more and more outstanding, people are the important content of the development and use of renewable, free of contamination new forms of energy as sustainable development.Wind and solar hybrid generating system has utilized the complementarity of wind energy and solar energy resources, is a kind of novel energy electricity generation system that has than high performance-price ratio, has good application prospects.Yet because wind energy and solar energy all have randomness and intermittent characteristics; For satisfying stable production, household electricity needs; Be the energy storage link of representative general all can in system, the adding with the storage battery, and the while is corresponding also can to add charge-discharge controller, so that the electric energy that solar panel and wind-driven generator were sent is regulated and controlled; The link that does not have this adjusting and control, the life-span of storage battery will reduce greatly.
Along with deepening continuously to wind-light complementary system research; Have the inventor constantly to propose the charge control method and the device thereof of some wind and solar hybrid generating systems, wherein the disclosed a kind of wind light complementary road lamp intelligent controller with adaptive adjustment capability of CN101459997A is exactly comparatively to have typical representational solution.In the disclosed technical scheme of CN101459997A; Its core is a preposition electric current and voltage detecting unit and a charging control unit; Come down to confirm that through the power that detects wind-powered electricity generation and photoelectricity corresponding Control Parameter, the purpose of control mainly are to coordinate wind-powered electricity generation and photoelectricity is exported accordingly.There are a series of problems in the disclosed technical scheme of CN101459997A; One of said problem is that said charging control unit only could charge to storage battery photoelectric yield voltage and wind-powered electricity generation are higher than the situation of desired a certain specific voltage through the output voltage after the rectification under; Then can not charge when being lower than this specific voltage value; Described specific voltage value is relevant with the nominal voltage of storage battery, and is not less than the nominal voltage value of storage battery; Two of said problem be wind-powered electricity generation behind rectifying and wave-filtering because the angle of flow diminishes the AC wave shape distortion that causes very serious, and contain a large amount of harmonic componentss the power factor of system descended, cause energy utilization rate not high; Three of said problem is in system; Saidly link together at the output of photoelectricity and the output of wind-powered electricity generation; For preventing that between the two a certain loop of voltage official post from becoming the load in another loop; Inserted the counnter attack diode in the circuit, under the large current charge situation, the energy loss on the counnter attack diode is still bigger like this; Four of problem is can not produce under the situation of enough power outputs for photoelectricity with wind-powered electricity generation; How to guarantee storage battery to be charged according to the charging characteristic curve of storage battery or the charge mode of regulation; Do not propose corresponding solution in the big electric current stage of filling soon especially, the result that aforesaid a series of problems cause is that the efficient of whole wind light mutual complementing charging system is not high.
This case inventor has been also noted that the technical scheme that CN102170156A disclosed; It also is the relevant parameter with front end wind-powered electricity generation and photoelectricity; Comprise the voltage and current parameter for controlling according to control corresponding is carried out in charging, the existing problem CN102170156A of the technical scheme that CN101459997A disclosed also exists.
As the technical field relevant with the present invention; This case inventor has paid particular attention to the disclosed technical scheme of CN10168986A; This scheme is also relevant with wind and solar hybrid generating system; The technical scheme that it disclosed is in system, to have increased a super capacitor as buffer cell, and the purpose of setting is the too high voltage that buffer system produces.This scheme can not solve the problem that prior art that this incidence of criminal offenses person of good sense points out exists substantively when commenting the disclosed technical scheme of CN101459997A patent, simultaneously, there is the negative effect to front-end circuit in super capacitor under initial condition.
This case inventor is also noted that the disclosed technical scheme of CN1362655A; This scheme relates to a kind of solar recharging system; It is in system, to have set up a voltage conversion unit; Said voltage conversion unit is controlled by control circuit of duty ratio, through voltage conversion unit the opto-electronic conversion of generation deficiency is become chargeable voltage, to improve overall system efficiency.This scheme has certain effect to the whole efficiency that promotes electro-optical system, but and is not suitable for directly applying to wind power system.
In sum, the object of the present invention is to provide a kind of wind light mutual complementing charging device, to solve the existing not high problem of wind light mutual complementing charging system efficient.
Summary of the invention
A kind of wind light mutual complementing charging device of the present invention; Comprise wind-driven generator and photocell; The electric energy of said wind-driven generator is exported after the rectification unit rectification; Said photronic outlet side is connected to the photoelectricity regulon, and said photoelectricity regulon becomes to be fit to the voltage to charge in batteries with the voltage-regulation of photocell output, also comprises the total control module of a control charging; It is characterized in that the outlet side of said rectification unit is connected to the active PFC unit of bring to power factor; Utilize active PFC unit that the output of wind-driven generator after the rectification unit rectification is adjusted to the voltage that is fit to charge in batteries simultaneously, the output of said active PFC unit and the output of photoelectricity regulon are connected to preparatory storage unit respectively, also comprise wind-powered electricity generation control module and photo-electric control module; The output of the preparatory storage unit that connects with the output of said active PFC unit is connected to the wind-powered electricity generation control module; The output of the preparatory storage unit that connects with the output of said photoelectricity regulon is connected to the photo-electric control module, and storage battery is received in the output of said wind-powered electricity generation control module and photo-electric control module, and said total control module is monitored the energy state of preparatory storage unit at least; Said wind-powered electricity generation control module and photo-electric control module comprise conducting state and closed condition; And by total control module according to controlling according to two preparatory storage unit electric energy stored states respectively, said total control module comprises that at least said wind-powered electricity generation control module and photo-electric control module be not with conducting for the moment in the control strategy to wind-powered electricity generation control module and photo-electric control module.
As further improvement; Said preparatory storage unit is the capacitive character energy-storage units; Said preparatory storage unit is made up of main energy-storage units, preposition control module and transition energy-storage units; UNICOM between said transition energy-storage units and main energy-storage units is by the power storage amount control of preposition control module according to the transition energy-storage units; Said main energy-storage units is a double electric layer capacitor, and said transition energy-storage units is that the electric capacity of microfarad level constitutes by the bodge of capacitance, generally can between 100 microfarad to 5000 microfarads, select on the capacitance engineering of concrete transition energy-storage units.
Described two preparatory storage units output to the wind-powered electricity generation control module and the photo-electric control module of rear end respectively through the main energy-storage units in it, and said total control module is monitored preparatory storage unit electric energy stored state and realized through the main energy-storage units electric energy stored state of monitoring.
Described total control module is by the charging of predetermined charge mode control to storage battery; Described predetermined charge mode comprises floating charge, all fills, constant current is filled, trickle fills, two-phase method is charged and the three-stage process charge mode in one or more; The state of simultaneously said total control module monitoring storage battery; At least monitor the magnitude of voltage of storage battery; And carry out charged state according to the magnitude of voltage of storage battery and judge, make according to aforementioned judgement simultaneously stop accordingly charging, the control of convert charging pattern or translate phase charge mode.
Said wind-powered electricity generation control module and photo-electric control module can be choppers; Said total control module is realized different charge modes through the control to chopper, and said control to chopper comprises fixed frequency modulated PWM mode, Fixed width mode of frequency regulation and transfers wide mode of frequency regulation.
In the present invention, all possess under the condition of charge in batteries at two electric energy that preparatory storage unit stored up, said total control module control wind-powered electricity generation control module and photo-electric control module are taken turns conducting to charge in batteries.
In the present invention, said photoelectricity regulon is by the control of photovoltage control unit, and said photovoltage control unit can be a control circuit of duty ratio, is convenient to realize the voltage adjustment of broad amplitude like this.
This wind light mutual complementing charging device of the present invention; Because said total control module is in the control strategy to wind-powered electricity generation control module and photo-electric control module; At least comprised that said wind-powered electricity generation control module and photo-electric control module be not at the control strategy with conducting for the moment; Cancelled counnter attack second tube sheet of the prior art, the energy loss on the counnter attack diode is able to avoid for this reason.
This wind light mutual complementing charging device of the present invention; Be connected to the active PFC unit of bring to power factor at the outlet side of said rectification unit; The output of active PFC unit does not change with input voltage fluctuation; In wind-powered electricity generation is crossed low or too high certain limit, can both obtain high stability output voltage, promote the power factor problem of system so on the one hand, also solve the problem that effectively to charge when wind-powered electricity generation is low on the other hand at its output.
In the present invention, the output element of photoelectricity is provided with the photoelectricity regulon, in the output element of wind-powered electricity generation, is provided with active PFC unit; Described photoelectricity regulon and active PFC unit all have the ability of regulation voltage; Under the situation of photoelectricity and wind-powered electricity generation generation deficiency, it has voltage is risen to chargeable voltage, but only voltage is risen to the requirement that chargeable voltage can not satisfy the standard charging in many cases; Inventor of the present invention for this reason all is provided with preparatory storage unit in the passage of photoelectricity and wind-powered electricity generation; Through preparatory storage unit storage of electrical energy, when the storage unit electric energy stored is enough to satisfy requiring of charging in advance, again to charge in batteries.
In the present invention; Said preparatory storage unit is the capacitive character energy-storage units; Said preparatory storage unit constitutes by main energy-storage units, preposition control module and transition energy-storage units; According to the control of the power storage amount of transition energy-storage units, said main energy-storage units is a double electric layer capacitor by preposition control module in UNICOM between said transition energy-storage units and main energy-storage units, and the preparatory storage unit of said photoelectricity is that the electric capacity of microfarad level constitutes by the bodge of capacitance.The purpose that is provided with like this is to consider to be that capacity as the double electric layer capacitor of main energy-storage units is very big; Its influence to front-end circuit in the process of energy storage is very big; For fear of this influence, also need the characteristic of large current charge, the lower problem of efficient when low current charge simultaneously in order to solve double electric layer capacitor; Through being set, the transition energy-storage units solves this problem; Said transition energy-storage units is made up of the electric capacity of microfarad level, and its influence circuit to front end in thermal energy storage process is less comparatively speaking for this reason, after the electric weight of transition energy-storage units storage reaches certain value; Preposition control module conducting, the transition energy-storage units charges to main energy-storage units with the mode of big electric weight.
In the present invention, said wind-powered electricity generation control module and photo-electric control module can be choppers, pass through the control to chopper through said total control module like this, can realize different charge modes easily.
In sum, the object of the invention obviously is achieved.
Description of drawings
Fig. 1 is a kind of wind light mutual complementing charging device system structural framework figure that preferred embodiment of the present invention provides.
Fig. 2 has been a kind of wind light mutual complementing charging device of providing of preferred embodiment of the present invention at the basic enterprising step refining of Fig. 1 system structural framework figure behind the preparatory storage unit.
Among each figure:
101 is wind-driven generator;
102 is rectification unit;
103 is active PFC unit;
201 is photoelectric cell;
202 is the photoelectricity regulon;
203 is the photovoltage control unit;
3 is preparatory storage unit;
301 are the transition energy-storage units;
302 is preposition control module;
303 is main energy-storage units;
4 is the wind-powered electricity generation control module;
5 is the photo-electric control module;
6 is total control module;
7 is storage battery.
Embodiment
A kind of wind light mutual complementing charging device and the accompanying drawing thereof that below will combine preferred embodiment of the present invention to provide are described further the present invention.
A kind of wind light mutual complementing charging device that preferred embodiment of the present invention provides; Shown in accompanying drawing 1, accompanying drawing 2; Comprise wind-driven generator 101 and photocell 201; The electric energy of said wind-driven generator 101 is exported after rectification unit 102 rectifications; The outlet side of said photocell 201 is connected to photoelectricity regulon 202; Said photoelectricity regulon 202 becomes to be fit to the voltage to storage battery 7 chargings with the voltage-regulation of photocell 201 outputs; Also comprise the total control module 6 of a control charging, it is characterized in that the outlet side of said rectification unit 102 is connected to the active PFC unit 103 of bring to power factor, utilize active PFC unit 103 output of wind-driven generator 101 after rectification unit 102 rectifications to be adjusted to the voltage that is fit to storage battery 6 chargings simultaneously; The output of said active PFC unit 103 and the output of photoelectricity regulon 202 are connected to preparatory storage unit 3 respectively; Also comprise wind-powered electricity generation control module 4 and photo-electric control module 5, the output of the preparatory storage unit 3 that connects with the output of said active PFC unit 103 is connected to wind-powered electricity generation control module 4, and the output of the preparatory storage unit 3 that connects with the output of said photoelectricity regulon 102 is connected to photo-electric control module 5; Storage battery 7 is received in the output of said wind-powered electricity generation control module 4 and photo-electric control module 5; Said total control module 6 is monitored the energy state of preparatory storage unit 3 at least, and said wind-powered electricity generation control module 4 comprises conducting state and closed condition with photo-electric control module 5, and by total control module 6 according to controlling according to two preparatory storage unit 3 electric energy stored states respectively; Said total control module 6 comprises that at least said wind-powered electricity generation control module 4 and photo-electric control module 5 be not in conducting for the moment together in the control strategy to wind-powered electricity generation control module 4 and photo-electric control module 5.
In this preferred embodiment; Said preparatory storage unit 3 is the capacitive character energy-storage units; Said preparatory storage unit 3 is made up of main energy-storage units 303, preposition control module 302 and 301 of transition energy-storage units; The UNICOM that said transition energy-storage units 301 and main energy-storage units are 303 is by the power storage amount control of preposition control module 302 according to transition energy-storage units 301; After the electric weight in the transition energy-storage units 301 storage was enough, preposition control module 302 was got up transition energy-storage units 301 with main energy-storage units 303 UNICOMs, and at this moment transition energy-storage units 301 is to main energy-storage units 303 chargings; Said main energy-storage units 303 is a double electric layer capacitor; Said transition energy-storage units 301 is that the electric capacity of microfarad level constitutes by the bodge of capacitance, generally can between 100 microfarad to 5000 microfarads, select on the concrete capacitance engineering, and in this preferred embodiment 2000 microfarads.
In this preferred embodiment; Described two preparatory storage units 3 output to the wind-powered electricity generation control module 4 and photo-electric control module 5 of rear end respectively through the main energy-storage units 303 in it, the preparatory storage unit 3 electric energy stored states of said total control module 6 monitoring are realized through the main energy-storage units 303 electric energy stored states of monitoring.
In this preferred embodiment; Described total control module 6 is pressed the charging of three-stage process charge mode control to storage battery 7; The magnitude of voltage of simultaneously said total control module 6 monitoring storage batterys 7; And judge existing charged state according to the magnitude of voltage of storage battery 7, and make according to aforementioned judgement stop accordingly charging, the control of charging stage mode switch.
In this preferred embodiment; Said wind-powered electricity generation control module 4 is choppers with photo-electric control module 5; Said total control module 6 is realized different charge modes through the control to chopper, the said employing fixed frequency modulated PWM mode in this preferred embodiment that is controlled to chopper.
In this preferred embodiment, all possess under the condition of storage battery 7 chargings at the electric energy that two preparatory storage units 3 are stored up, said total control module 6 control wind-powered electricity generation control modules 4 are taken turns conducting to storage battery 7 chargings with photo-electric control module 5.
In this preferred embodiment, said photoelectricity regulon 102 is by 103 controls of photovoltage control unit, and said photovoltage control unit 103 is control circuit of duty ratio.
In sum; A kind of wind light mutual complementing charging device of the present invention; Comprise wind-driven generator and photocell, said photronic outlet side is connected to the photoelectricity regulon, also comprises the total control module of a control charging; It is characterized in that the outlet side of said rectification unit is connected to the active PFC unit of bring to power factor; The output of said active PFC unit and the output of photoelectricity regulon are connected to preparatory storage unit respectively, also comprise wind-powered electricity generation control module and photo-electric control module, and said total control module is monitored the energy state of preparatory storage unit at least; Said total control module comprises that at least said wind-powered electricity generation control module and photo-electric control module be not in conducting for the moment together in the control strategy to wind-powered electricity generation control module and photo-electric control module.The problem that the efficient that the invention solves the prior art existence is not high, the system consumption energy consumption is big and can not under the generation deficiency situation, charge.
The above is merely embodiment of the present invention.But protection range of the present invention is not limited thereto.Any technical staff who is familiar with the present technique field is in the technical scope that the present invention discloses, and the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention, and therefore, the protection range of invention should be as the criterion with the protection range of claim.
Claims (8)
1. wind light mutual complementing charging device; Comprise wind-driven generator and photocell; The electric energy of said wind-driven generator is exported after the rectification unit rectification; Said photronic outlet side is connected to the photoelectricity regulon, and said photoelectricity regulon becomes to be fit to the voltage to charge in batteries with the voltage-regulation of photocell output, also comprises the total control module of a control charging; It is characterized in that the outlet side of said rectification unit is connected to the active PFC unit of bring to power factor; Utilize active PFC unit that the output of wind-driven generator after the rectification unit rectification is adjusted to the voltage that is fit to charge in batteries simultaneously, the output of said active PFC unit and the output of photoelectricity regulon are connected to preparatory storage unit respectively, also comprise wind-powered electricity generation control module and photo-electric control module; The output of the preparatory storage unit that connects with the output of said active PFC unit is connected to the wind-powered electricity generation control module; The output of the preparatory storage unit that connects with the output of said photoelectricity regulon is connected to the photo-electric control module, and storage battery is received in the output of said wind-powered electricity generation control module and photo-electric control module, and said total control module is monitored the energy state of preparatory storage unit at least; Said wind-powered electricity generation control module and photo-electric control module comprise conducting state and closed condition; And by total control module according to controlling according to two preparatory storage unit electric energy stored states respectively, said total control module comprises that at least said wind-powered electricity generation control module and photo-electric control module be not with conducting for the moment in the control strategy to wind-powered electricity generation control module and photo-electric control module.
2. a kind of wind light mutual complementing charging device according to claim 1; It is characterized in that said preparatory storage unit is the capacitive character energy-storage units; Said preparatory storage unit is made up of main energy-storage units, preposition control module and transition energy-storage units; UNICOM between said transition energy-storage units and main energy-storage units is by the power storage amount control of preposition control module according to the transition energy-storage units; Said main energy-storage units is a double electric layer capacitor, and said transition energy-storage units is that the electric capacity of microfarad level constitutes by the bodge of capacitance.
3. a kind of wind light mutual complementing charging device according to claim 2, the capacitance that it is characterized in that said transition energy-storage units are 100 microfarad to 5000 microfarads.
4. a kind of wind light mutual complementing charging device according to claim 2; It is characterized in that described two preparatory storage units output to the wind-powered electricity generation control module and the photo-electric control module of rear end respectively through the main energy-storage units in it, said total control module is monitored preparatory storage unit electric energy stored state and is realized through the main energy-storage units electric energy stored state of monitoring.
5. a kind of wind light mutual complementing charging device according to claim 1; It is characterized in that described total control module is by the charging of predetermined charge mode control to storage battery; Described predetermined charge mode comprises floating charge, all fills, constant current is filled, trickle fills, two-phase method is charged and the three-stage process charge mode in one or more; The state of simultaneously said total control module monitoring storage battery; At least monitor the magnitude of voltage of storage battery, and carry out charged state according to the magnitude of voltage of storage battery and judge, make according to aforementioned judgement simultaneously stop accordingly charging, the control of convert charging pattern or translate phase charge mode.
6. a kind of wind light mutual complementing charging device according to claim 5; It is characterized in that said wind-powered electricity generation control module and photo-electric control module can be choppers; Said total control module is realized different charge modes through the control to chopper, and said control to chopper comprises fixed frequency modulated PWM mode, Fixed width mode of frequency regulation and transfers wide mode of frequency regulation.
7. a kind of wind light mutual complementing charging device according to claim 1; It is characterized in that all possessing under the condition of charge in batteries at two electric energy that preparatory storage unit stored up, said total control module control wind-powered electricity generation control module and photo-electric control module are taken turns conducting to charge in batteries.
8. a kind of wind light mutual complementing charging device according to claim 1 is characterized in that said photoelectricity regulon by the control of photovoltage control unit, and said photovoltage control unit can be a control circuit of duty ratio.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100258512A CN102570574B (en) | 2012-02-07 | 2012-02-07 | Wind-light complementary charging device |
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| CN2012100258512A CN102570574B (en) | 2012-02-07 | 2012-02-07 | Wind-light complementary charging device |
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| CN102570574A true CN102570574A (en) | 2012-07-11 |
| CN102570574B CN102570574B (en) | 2013-11-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105337373A (en) * | 2015-12-08 | 2016-02-17 | 杨敏杰 | Efficient wind-solar hybrid charging control system |
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| JP2000073933A (en) * | 1998-08-28 | 2000-03-07 | Hitachi Engineering & Services Co Ltd | Wind power generating equipment and wind power generating method |
| CN101459997A (en) * | 2008-12-29 | 2009-06-17 | 安徽风日光电科技有限责任公司 | Wind light complementary road lamp intelligent controller having adaptive adjustment capability |
| CN102013714A (en) * | 2010-11-30 | 2011-04-13 | 叶伟清 | Wind-solar complementing green energy system and charging method thereof |
| JP2011103736A (en) * | 2009-11-11 | 2011-05-26 | Mitsubishi Heavy Ind Ltd | Wind power generation system |
| CN202101127U (en) * | 2011-04-15 | 2012-01-04 | 天津蓝基纳米储能科技有限公司 | Environment-friendly solar-wind complementary LED lighting system |
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2012
- 2012-02-07 CN CN2012100258512A patent/CN102570574B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000073933A (en) * | 1998-08-28 | 2000-03-07 | Hitachi Engineering & Services Co Ltd | Wind power generating equipment and wind power generating method |
| CN101459997A (en) * | 2008-12-29 | 2009-06-17 | 安徽风日光电科技有限责任公司 | Wind light complementary road lamp intelligent controller having adaptive adjustment capability |
| JP2011103736A (en) * | 2009-11-11 | 2011-05-26 | Mitsubishi Heavy Ind Ltd | Wind power generation system |
| CN102013714A (en) * | 2010-11-30 | 2011-04-13 | 叶伟清 | Wind-solar complementing green energy system and charging method thereof |
| CN202101127U (en) * | 2011-04-15 | 2012-01-04 | 天津蓝基纳米储能科技有限公司 | Environment-friendly solar-wind complementary LED lighting system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105337373A (en) * | 2015-12-08 | 2016-02-17 | 杨敏杰 | Efficient wind-solar hybrid charging control system |
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Owner name: SHENZHEN DONGRUN CONSTRUCTION ENGINEERING CORPORAT Free format text: FORMER OWNER: SHENZHEN XINNENGTONG ENERGY-SAVING TECHNOLOGY CO., LTD. Effective date: 20140331 |
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