CN101192686A - Method for protecting accumulator cell in wind-light complementary system and wind-light complementary system - Google Patents
Method for protecting accumulator cell in wind-light complementary system and wind-light complementary system Download PDFInfo
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- CN101192686A CN101192686A CNA2007100297535A CN200710029753A CN101192686A CN 101192686 A CN101192686 A CN 101192686A CN A2007100297535 A CNA2007100297535 A CN A2007100297535A CN 200710029753 A CN200710029753 A CN 200710029753A CN 101192686 A CN101192686 A CN 101192686A
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The invention discloses a method for protecting a battery in a wind and photovoltaic hybrid system and a wind and photovoltaic hybrid system. The wind and photovoltaic hybrid system provided by the invention consists of a battery, a solar cell, a wind turbine generator, a load and junction devices among the devices. The wind and photovoltaic system also adds a setting circuit, a comparison circuit, a detection circuit, a sampling circuit, a driving and switching circuit, a discrimination circuit, a switching circuit, a single chip microcomputer connected with the circuits and a program saved in the single chip microcomputer. The invention regulates the time of load output according to the battery capacity, thus keeping the work of the battery in a normal voltage scope and prolonging the service life of the battery. The invention can be wildly used in the wind and photovoltaic hybrid system for prolonging the service life of the battery.
Description
Technical field
The present invention relates to a kind of method and wind-light complementary system of in wind-light complementary system, protecting storage battery.
Background technology
Solar energy is the source of all energy on the earth, is shining upon each sheet soil of the earth.Wind energy is solar energy another form of expression at the earth's surface, because the different shape (as sandy soil ground, the vegetation ground and the water surface) of earth surface is different to the heat absorption coefficient of solar irradiation, form the temperature difference at the earth's surface, the temperature difference of face of land air forms cross-ventilation and produces wind energy.Therefore, solar energy and wind energy all have very strong complementarity in time with on the region.When daytime, sunlight was the strongest, wind was very little, and after evening, the sun set, illumination was very weak, but wind energy is strengthened because face of land difference variation is big.In summer, sunlight intensity is big and wind is little, and in winter, sunlight intensity is weak and wind is big.Solar energy and wind energy complementarity in time makes wind and solar hybrid generating system have best matching on resource, and wind and solar hybrid generating system is the best independent electric power supply of resources supplIes.But, uncertainty cause generating electricity imbalance with power load still can appear in the resource of solar energy and wind energy sometimes, present honourable system all must be by batteries to store energy ability stable power-supplying, but the energy output of every day is subjected to the influence of weather very big, can cause the batteries of system to be in the power shortage state, jockey between simultaneity factor and load lacks detection and control device, so just causes easily that batteries reduces useful life.
In sum, in the wind-light complementary system of the prior art, exist and to adjust the load output time automatically according to battery tension and storage battery is protected so that caused reduce the storage battery defective in useful life.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiencies in the prior art; thereby provide a kind of method and wind-light complementary system of in wind-light complementary system, adjusting load output time protection storage battery automatically according to battery tension; guarantee storage battery trouble free service in the normal voltage scope, prolong the useful life of storage battery.
Described in wind-light complementary system the technical scheme that method adopted of protection storage battery be: this wind-light complementary system comprises jockey between storage battery, solar cell, wind-driven generator, load and the said equipment, circuit, comparison circuit, testing circuit, sample circuit, driving and switching circuit is set, discriminator circuit, switching circuit, the single-chip microcomputer that is connected with foregoing circuit, and described method comprises the steps:
(101) determining step: judging whether described system meets describedly is provided with that circuit is a certain to impose a condition, and then returns if not, if then carry out step (102);
(102) sampling step: described battery tension is sampled;
(103) sampling comparison step: calculate actual load output time according to described load output time and the described battery tension preset in the circuit of being provided with;
(104) actuation step: open described load and timing;
(105) execution in step: judge that whether under-voltage described storage battery or output time arrive; Then return if not, if the under-voltage or output time of battery is to then closing load.
Described imposing a condition to the solar cell panel voltages of sampling is lower than 5V, described load is an illuminating lamp.
Wind-light complementary system of the present invention comprises jockey between storage battery, solar cell, wind-driven generator, load and the said equipment, circuit, comparison circuit, testing circuit, sample circuit, driving and switching circuit is set, discriminator circuit, switching circuit, with above-mentioned each equipment and circuit between the single-chip microcomputer that is connected, described wind-light complementary system also comprises:
Judgment means: judging whether system meets describedly is provided with that circuit is a certain to impose a condition, and then returns if not, if then direct detection circuit and sampling apparatus;
Sampling apparatus: described battery tension is sampled;
Sampling comparison means: calculate actual load output time according to described load output time and the described battery tension preset in the circuit of being provided with;
Drive unit: open described load and timing;
Final controlling element: judge that whether under-voltage described storage battery or output time arrive; Then return if not, if the under-voltage or output time of battery is to then closing load.
The described circuit that is provided with comprises toggle switch, utilizes described toggle switch that the load output state is set.
The invention has the beneficial effects as follows: because the present invention has increased in original wind-light complementary system circuit, comparison circuit, testing circuit, sample circuit, driving and switching circuit, discriminator circuit, switching circuit are set, and the single-chip microcomputer that is connected with foregoing circuit comprises toggle switch with being stored in the program in the single-chip microcomputer and circuit being set, compared with prior art, method of the present invention makes the time of load output regulate according to the capacity of storage battery, make battery-operated remain on a normal voltage range, prolonged the useful life of storage battery.
Description of drawings
Fig. 1 is a wind-light complementary system structural representation of the present invention;
Fig. 2 is a program control flow process schematic diagram of protecting accumulator method in wind-light complementary system of the present invention;
Fig. 3 is the operating voltage range schematic diagram that storage battery is normal in the wind-light complementary system of the present invention.
Embodiment
As Fig. 1, Fig. 2, shown in Figure 3; a kind of method and wind-light complementary system of in wind-light complementary system, protecting storage battery; described wind-light complementary system comprises jockey between storage battery, solar cell, wind-driven generator, load and the said equipment, circuit, comparison circuit, testing circuit, sample circuit, driving and switching circuit is set, discriminator circuit, switching circuit, the single-chip microcomputer that is connected with foregoing circuit, and described method comprises the steps:
(101) determining step: judging whether described system meets describedly is provided with that circuit is a certain to impose a condition, and then returns if not, if then carry out step (102);
(102) sampling step: described battery tension is sampled;
(103) sampling comparison step: calculate actual load output time according to described load output time and the described battery tension preset in the circuit of being provided with;
(104) actuation step: open described load and timing;
(105) execution in step: judge that whether under-voltage described storage battery or output time arrive; Then return if not, if the under-voltage or output time of battery is to then closing load.
Described imposing a condition to the solar cell panel voltages of sampling is lower than 5V, described load is an illuminating lamp.
Described wind-light complementary system comprise sun storage battery, can battery, the jockey between wind-driven generator, load and the said equipment, be provided with circuit, comparison circuit, testing circuit, sample circuit, driving and switching circuit, discriminator circuit, switching circuit, with above-mentioned each equipment and circuit between the single-chip microcomputer that is connected, described wind-light complementary system also comprises:
Judgment means: judging whether system meets describedly is provided with that circuit is a certain to impose a condition, and then returns if not, if then direct detection circuit and sampling apparatus;
Sampling apparatus: described battery tension is sampled;
Sampling comparison means: calculate actual load output time according to described load output time and the described battery tension preset in the circuit of being provided with;
Drive unit: open described load and timing;
Final controlling element: judge that whether under-voltage described storage battery or output time arrive; Then return if not, if the under-voltage or output time of battery is to then closing load.
The described circuit that is provided with comprises toggle switch, utilizes described toggle switch that the load output state is set.
Present embodiment uses 4 toggle switchs according to the method that battery tension is adjusted the load output time automatically, and it can preset the lighting time and the bright lamp pattern of illuminating lamp, and 16 kinds of output states can be set, and comprises inspecting state, sees Table 1.
Table 1
| The toggle switch value of setting | Lighting time | Explanation | |
| 0 | 4 hours | On bright 10 hours of the same day, bright 5 hours of next day, follow | According to the bright lamp of cell voltage |
| 1 | 5 hours | ||
| 2 | 6 hours | ||
| 3 | 7 hours | ||
| 4 | 8 hours | ||
| 5 | 10 hours | ||
| 6 | 10 hours 5 hours by turns | ||
| 7 | 5 |
On bright 5 hours of the same day, bright 10 hours of next day, follow | |
| 8 | 12 hours 6 hours by turns | On bright 12 hours of the same day, bright 6 hours of next day, follow | |
| 9 | 6 hours 12 hours by turns | On bright 6 hours of the same day, bright 12 hours of next day, follow | |
| A | 5 hours | Bright lamp duration is fixed | |
| B | 6 hours | ||
| C | 7 hours | ||
| D | 8 hours | ||
| E | Whole night bright, daybreak is turned off the light | ||
| F | Turn off the light | The debugging and maintenance state | |
System can detect battery tension in real time, regulates concrete bright lamp duration according to battery tension and default lighting time again, and battery tension and concrete bright lamp duration both sides relation see Table 2.
Table 2
| Cell voltage (V) | Bright lamp duration is the ratio of preset value |
| V＞13.4 | 120％ |
| 13.2＜V≤13.4 | 110％ |
| 13.0＜V≤13.2 | 100% (preset value) |
| 12.8＜V≤13.0 | 90％ |
| 12.6＜V≤12.8 | 80％ |
| 12.4＜V≤12.6 | 70％ |
| 12.2＜V≤12.4 | 65％ |
| 12.0＜V≤12.2 | 60％ |
| 11.8＜V≤12.0 | 55％ |
| 11.6＜V≤11.8 | 50％ |
| 11.4＜V≤11.6 | 45％ |
| 10.8＜V≤11.4 | 40％ |
| V≤10.8 | 0% (complete shut-down) |
The present embodiment employing carries the single-chip microcomputer sampling cell voltage and the solar panels voltage of AD sampling, and when the solar panels voltage of sampling was lower than 5V, the expression sky was black, and lighting time arrives.The default value of single-chip microcomputer taking-up toggle switch this moment calculates total load output time according to table 2, opens load and timing then.So just can make battery operated in a normal voltage range, the lost of life of avoiding storage battery to cause because of overdischarge, overload.
Claims (4)
- One kind in wind-light complementary system the protection storage battery method, described wind-light complementary system comprises storage battery, solar cell, wind-driven generator, jockey between load and the said equipment, circuit is set, comparison circuit, testing circuit, sample circuit, drive and switching circuit, discriminator circuit, switching circuit, the single-chip microcomputer that is connected with foregoing circuit, it is characterized in that: described method comprises the steps: (101) determining step: judging whether described system meets describedly is provided with that circuit is a certain to impose a condition, then return if not, if then carry out step (102);(102) sampling step: described battery tension is sampled;(103) sampling comparison step: calculate actual load output time according to described load output time and the described battery tension preset in the circuit of being provided with;(104) actuation step: open described load and timing;(105) execution in step: judge that whether under-voltage described storage battery or output time arrive; Then return if not, if the under-voltage or output time of battery is to then closing load.
- 2. the method for protecting storage battery in wind-light complementary system according to claim 1 is characterized in that: described imposing a condition to the solar cell panel voltages of sampling is lower than 5V, described load is an illuminating lamp.
- 3. wind-light complementary system, described wind-light complementary system comprises jockey between storage battery, solar cell, wind-driven generator, load and the said equipment, circuit, comparison circuit, testing circuit, sample circuit, driving and switching circuit is set, discriminator circuit, switching circuit, with above-mentioned each equipment and circuit between the single-chip microcomputer that is connected, it is characterized in that: described wind-light complementary system also comprises:Judgment means: judging whether system meets describedly is provided with that circuit is a certain to impose a condition, and then returns if not, if then direct detection circuit and sampling apparatus;Sampling apparatus: described battery tension is sampled;Sampling comparison means: calculate actual load output time according to described load output time and the described battery tension preset in the circuit of being provided with;Drive unit: open described load and timing;Final controlling element: judge that whether under-voltage described storage battery or output time arrive; Then return if not, if the under-voltage or output time of battery is to then closing load.
- 4. wind-light complementary system according to claim 3 is characterized in that: the described circuit that is provided with comprises toggle switch, utilizes described toggle switch that the load output state is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100297535A CN101192686A (en) | 2007-08-17 | 2007-08-17 | Method for protecting accumulator cell in wind-light complementary system and wind-light complementary system |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007100297535A CN101192686A (en) | 2007-08-17 | 2007-08-17 | Method for protecting accumulator cell in wind-light complementary system and wind-light complementary system |
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| CN101192686A true CN101192686A (en) | 2008-06-04 |
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| CNA2007100297535A Pending CN101192686A (en) | 2007-08-17 | 2007-08-17 | Method for protecting accumulator cell in wind-light complementary system and wind-light complementary system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102064572A (en) * | 2010-11-16 | 2011-05-18 | 成都振中电气有限公司 | Wind and light complementary system |
| CN102364865A (en) * | 2011-11-01 | 2012-02-29 | 成都鑫三洋科技发展有限公司 | Solar power station |
| CN102435951A (en) * | 2011-09-28 | 2012-05-02 | 四川卫士通信息安全平台技术有限公司 | Micro-power-consumption battery testing system and method |
| CN103066569A (en) * | 2012-12-18 | 2013-04-24 | 唐山轨道客车有限责任公司 | Storage battery low-voltage protecting device and storage battery low-voltage protecting system |
| CN103081163A (en) * | 2010-02-26 | 2013-05-01 | 目标零点有限公司 | Modular and portable battery pack power system |
| CN105455726A (en) * | 2014-09-29 | 2016-04-06 | Lg电子株式会社 | Vacuum cleaner |
| CN105476542A (en) * | 2014-10-01 | 2016-04-13 | Lg电子株式会社 | Vacuum cleaner |
| US10178933B2 (en) | 2014-09-29 | 2019-01-15 | Lg Electronics Inc. | Vacuum cleaner |
-
2007
- 2007-08-17 CN CNA2007100297535A patent/CN101192686A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103081163A (en) * | 2010-02-26 | 2013-05-01 | 目标零点有限公司 | Modular and portable battery pack power system |
| CN102064572A (en) * | 2010-11-16 | 2011-05-18 | 成都振中电气有限公司 | Wind and light complementary system |
| CN102435951A (en) * | 2011-09-28 | 2012-05-02 | 四川卫士通信息安全平台技术有限公司 | Micro-power-consumption battery testing system and method |
| CN102364865A (en) * | 2011-11-01 | 2012-02-29 | 成都鑫三洋科技发展有限公司 | Solar power station |
| CN103066569A (en) * | 2012-12-18 | 2013-04-24 | 唐山轨道客车有限责任公司 | Storage battery low-voltage protecting device and storage battery low-voltage protecting system |
| CN103066569B (en) * | 2012-12-18 | 2015-02-25 | 唐山轨道客车有限责任公司 | Storage battery low-voltage protecting device and storage battery low-voltage protecting system |
| CN105455726A (en) * | 2014-09-29 | 2016-04-06 | Lg电子株式会社 | Vacuum cleaner |
| US10178933B2 (en) | 2014-09-29 | 2019-01-15 | Lg Electronics Inc. | Vacuum cleaner |
| CN105455726B (en) * | 2014-09-29 | 2019-07-02 | Lg电子株式会社 | Vacuum cleaner |
| CN105476542A (en) * | 2014-10-01 | 2016-04-13 | Lg电子株式会社 | Vacuum cleaner |
| US11213178B2 (en) | 2014-10-01 | 2022-01-04 | Lg Electronics Inc. | Vacuum cleaner with battery management system |
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Legal Events
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhuhai Clear Energy Sources Technology Co., Ltd. Assignor: An Yan Contract fulfillment period: 2007.12.6 to 2017.12.6 contract change Contract record no.: 2007990000115 Denomination of invention: Method for protecting accumulator cell in wind-light complementary system and wind-light complementary system Granted publication date: Wei Shouquan License type: Exclusive license Record date: 20071225 |
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| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENCE; TIME LIMIT OF IMPLEMENTING CONTACT: 2007.12.6 TO 2017.12.6 Name of requester: ZHUHAI CLEAR ENERGY SOURCES TECHNOLOGY CO., LTD. Effective date: 20071225 |
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Effective date of registration: 20080606 Address after: The third floor of No. 60 Guangdong Jida west city of Zhuhai Province Applicant after: Zhuhai Clear Energy Sources Technology Co., Ltd. Address before: Block B, No. 109, Yue Yue Road, Xiangzhou District, Guangdong, Zhuhai, 401 Applicant before: An Yan |
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Open date: 20080604 |