CN202260598U - Wind-solar complementary power generation system - Google Patents
Wind-solar complementary power generation system Download PDFInfo
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- CN202260598U CN202260598U CN2011203774491U CN201120377449U CN202260598U CN 202260598 U CN202260598 U CN 202260598U CN 2011203774491 U CN2011203774491 U CN 2011203774491U CN 201120377449 U CN201120377449 U CN 201120377449U CN 202260598 U CN202260598 U CN 202260598U
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Abstract
The utility model relates to a wind-solar complementary power generation system. The main technical characteristics are that a single-chip microcomputer is respectively connected with a solar power supply branch, a wind power supply branch, a storage battery power supply branch, a load end voltage current detection circuit and a load end start-stop switch via an I\O interface. The solar power supply branch, the wind power supply branch and the output terminal of the storage battery power supply branch are connected with a load phase via corresponding relay switch circuits. The output terminal of the solar power supply branch and the output terminal of the wind power supply branch are respectively connected to the storage battery power supply branch for providing power to storage batteries. Different power supply modes are switched through real time detection of the electric state of each power supply branch for coordination control between power supply devices and loads. Meanwhile, a solar generating device and a wind generating device can be utilized for charging of the storage batteries, thereby guaranteeing stable operation of the system and prolonging the power supply time. The wind-solar complementary power generation system has characteristics of stable running, light weight, high efficiency and energy conservation, fine load effect, fine dynamic performance, reliable operation, stable output, etc.
Description
Technical field
The utility model belongs to technical field of power generation, especially a kind of wind energy and solar energy complementary type electricity generation system.
Background technology
China is an energy starved country, and all will consume a large amount of electric power resources every day in industrial and agricultural production, urban construction and family.Traditional power generation mainly adopts the thermal power generation form; Not only waste a large amount of coal resources, but also can cause serious environmental to pollute, wind power generation, solar power generation are a kind of new-generation forms of energy-saving and emission-reduction; But; Wind power generation, solar power generation mode all receive the influence of environment separately, use any forms of electricity generation in use all can receive a lot of restrictions, are difficult to guarantee the operate as normal of electric power system; Therefore, single wind power generation, solar power generation form can't be generalizable.
Summary of the invention
The purpose of the utility model is to overcome the deficiency of prior art, and a kind of reasonable in design, wind energy and solar energy complementary type electricity generation system that can the wind energy conversion system solar power generation be combined effectively is provided.
The utility model solves its technical problem and takes following technical scheme to realize:
A kind of wind energy and solar energy complementary type electricity generation system; Comprise single-chip microcomputer, solar powered branch road, wind power supply branch road, storage battery power supply branch road, load terminal voltage current detection circuit and load end start stop switch; Single-chip microcomputer is connected with solar powered branch road, wind power supply branch road, storage battery power supply branch road, load terminal voltage current detection circuit and load end start stop switch through the I/O interface respectively; Solar powered branch road, wind power supply branch road and storage battery power supply branch road output are connected with load through corresponding relay switch circuit, and the output of solar powered branch road, wind power supply branch road is connected respectively to and is charge in batteries on the storage battery branch road.
And the output of described solar powered branch road, wind power supply branch road, storage battery power supply branch road also is connected with inverter to carry out DC-AC and changes.
And; Described solar powered branch road comprises device of solar generating, solar voltage current detection circuit, solar energy DC/DC circuit, solar energy pressure regulation and voltage stabilizing circuit, solar charging circuit, solar charging circuit switch, solar energy branch road relay switch; Device of solar generating one end is connected with single-chip microcomputer through the solar voltage current detection circuit; The device of solar generating other end is connected with solar energy DC/DC circuit, solar energy pressure regulation and voltage stabilizing circuit successively; Solar energy pressure regulation and voltage stabilizing circuit one output are connected with load through solar energy branch road relay switch and are electric; Another output of solar energy pressure regulation and voltage stabilizing circuit is connected with storage battery through solar charging circuit, solar charging circuit switch; It is its power supply that solar energy pressure regulation and voltage stabilizing circuit provide the galvanic current source to be connected with single-chip microcomputer, and solar charging circuit, solar charging circuit switch also are connected with single-chip microcomputer respectively and are charge in batteries under the control of single-chip microcomputer.
And described device of solar generating is connected and composed by solar panels and switch.
And; Described wind power supply branch road comprises wind power generation plant, wind power generation voltage and current detection circuit, wind-force DC/DC circuit, wind-force pressure regulation and voltage stabilizing circuit, wind-force charging circuit, wind-force charging circuit switch, wind-force branch road relay switch; Wind power generation plant one end is connected with single-chip microcomputer through the wind-force voltage and current detection circuit; The wind power generation plant other end is connected with wind-force DC/DC circuit, wind-force pressure regulation and voltage stabilizing circuit successively; Wind-force pressure regulation and voltage stabilizing circuit one output are connected with load through wind-force branch road relay switch and are electric; Another output of wind-force pressure regulation and voltage stabilizing circuit is connected with storage battery through wind-force charging circuit, wind-force charging circuit switch, and wind-force charging circuit, wind-force charging circuit switch also are connected with single-chip microcomputer respectively and under the control of single-chip microcomputer, are charge in batteries.
And described wind power generation plant is connected and composed by wind energy conversion system and magneto alternator.
And; Described storage battery power supply branch road comprises storage battery, accumulator electric-quantity testing circuit, battery circuit switch; Storage battery is connected with single-chip microcomputer through the accumulator electric-quantity testing circuit; Storage battery is connected with load through the battery circuit switch, and storage battery also is connected with wind-force charging circuit switch and solar charging circuit switch respectively and under the control of single-chip microcomputer, is its charging by wind power supply branch road and solar powered branch road.
The advantage and the good effect of the utility model are:
The utility model combines wind power generation plant, device of solar generating and storage battery and single-chip microcomputer effectively; Energy state through each power supply branch road of real-time detection switches the various power form; Accomplish the coordination control of each electric supply installation and load; Simultaneously, can also be charge in batteries with solar energy and wind electricity generating system, can guarantee system stability work like this; Prolong power-on time, have working stability, in light weight, energy-efficient, characteristics such as load effect is good, dynamic property is good, reliable operation and output are stable.Can be widely used in low-power DC equipments such as low voltage illuminating lamp, low-power machine and exchange the small-power power consumption equipment.
Description of drawings
Fig. 1 is that the system of the utility model connects sketch map.
Embodiment
Below in conjunction with accompanying drawing the utility model embodiment is done further detailed description:
A kind of wind energy and solar energy complementary type electricity generation system; As shown in Figure 1; This electricity generation system comprises single-chip microcomputer, solar powered branch road, wind power supply branch road, storage battery power supply branch road, load terminal voltage current detection circuit and load end start stop switch, and single-chip microcomputer is connected with solar powered branch road, wind power supply branch road, storage battery power supply branch road, load terminal voltage current detection circuit and load end start stop switch through the I/O interface respectively.Native system can be selected the various power device according to loading condition, intensity of sunshine situation, wind-force size cases, storage battery energy situation, and all handoff procedures are accomplished by system automatically.Solar powered branch road, wind power supply branch road are except powering load, and when accumulator electric-quantity was not enough, wind power supply branch road and solar powered branch road can also charge a battery, and can guarantee system stability work like this, prolong power-on time.Native system is mainly used in low-power DC equipment power supplies such as low voltage illuminating lamp, low-power machine; Native system can also connect inverter at the output of each branch road of supplying power; Change direct current into alternating current for exchanging the power supply of small-power power consumption equipment through inverter, can supply family's low-power electric appliance load commonly used to use.Describe respectively in the face of three power supply branch roads down:
Solar powered branch road comprises device of solar generating, solar voltage current detection circuit, solar energy DC/DC circuit, solar energy pressure regulation and voltage stabilizing circuit, solar charging circuit, solar charging circuit switch, solar energy branch road relay switch; Device of solar generating one end is connected with single-chip microcomputer through the solar voltage current detection circuit; The device of solar generating other end is connected with solar energy DC/DC circuit, solar energy pressure regulation and voltage stabilizing circuit successively; Solar energy pressure regulation and voltage stabilizing circuit one output are connected with load through solar energy branch road relay switch and are electric; Another output of solar energy pressure regulation and voltage stabilizing circuit is connected with storage battery through solar charging circuit, solar charging circuit switch; Solar charging circuit, solar charging circuit switch also are connected with single-chip microcomputer respectively and are that under the control of single-chip microcomputer charge in batteries, solar energy pressure regulation and voltage stabilizing circuit provide the galvanic current source to be connected with single-chip microcomputer and be its power supply.In the present embodiment; Device of solar generating is made up of solar panels and switch; Solar panels output directly links to each other with solar energy DC/DC circuit; This DC/DC circuit has adopted SEPIC topology DC/DC circuit, is mainly connected to form by switching tube, inductance, SEPIC coupling capacitance, output capacitance, diode.For solar energy is efficiently utilized; Single-chip microcomputer constantly detects the voltage and current that solar panels are exported through the solar voltage current detection circuit, according to the numerical value of voltage and current, calculates the solar energy power output; And utilize the MPPT maximum power point tracking control algolithm to regulate the output of DC/DC circuit; Thereby reach MPPT maximum power point tracking, be not less than at the solar energy output voltage under the situation of 4.5v, adopt this algorithm all can the magnitude of voltage of DC/DC circuit be transferred between the 12V to 14V; Then through pressure regulation and voltage stabilizing circuit; Obtain the burning voltage output of 12V, become 5V and 3.3V through 5V voltage stabilizing chip and 3.3v voltage stabilizing chip again, to give chip used power supply in the system.Cross when low when single-chip microcomputer detects solar powered branch road electric energy, then utilize solar energy branch road relay switch to cut off solar powered branch road; When system detects when meeting the powering load condition, solar energy branch road relay switch is closed, solar energy branch road powering load.12V voltage after solar energy pressure regulation and the voltage stabilizing circuit voltage stabilizing links to each other with storage battery through charging circuit and solar charging circuit switch; It is lower and when meeting charge condition to detect storage battery energy at single-chip microcomputer; The solar charging circuit switch closure; Charged a battery by the solar energy branch road, this charging circuit mainly is made up of UC3909 and peripheral circuit, can charge to storage battery by storage battery stage charging current.
The wind power supply branch road comprises wind power generation plant, wind power generation voltage and current detection circuit, wind-force DC/DC circuit, wind-force pressure regulation and voltage stabilizing circuit, wind-force charging circuit, wind-force charging circuit switch, wind-force branch road relay switch; Wind power generation plant one end is connected with single-chip microcomputer through the wind-force voltage and current detection circuit; The wind power generation plant other end is connected with wind-force DC/DC circuit, wind-force pressure regulation and voltage stabilizing circuit successively; Wind-force pressure regulation and voltage stabilizing circuit one output are connected with load through wind-force branch road relay switch and are electric; Another output of wind-force pressure regulation and voltage stabilizing circuit is connected with storage battery through wind-force charging circuit, wind-force charging circuit switch, and wind-force charging circuit, wind-force charging circuit switch also are connected with single-chip microcomputer respectively and under the control of single-chip microcomputer, are charge in batteries.In the present embodiment; Wind power generation plant mainly comprises wind energy conversion system and magneto alternator, and wind energy conversion system uses miniature vertical axis aerogenerator, adopts the design of resistance-type vane and wind energy conversion system; Has the advantage that startability is good, the startup wind speed is low, stablize low cruise; In order not cause turbulent flow, open an aperture at the blade center, be used for the flow direction of guides wind; Generator adopts magneto alternator, and this generator staring torque is little, to reach the low target that starts wind speed.Wind-force DC/DC voltage stabilizing circuit can be stablized the uncontrollable rectifier output voltage of lifting to DC12V.The wind-force charging circuit adopts DC-DC conversion chip to build, and discharge circuit adopts the Boost circuit.Be built-in with energy management functionality at single-chip microcomputer; The required energy situation of constantly accumulator voltage, solar energy-electric energy, wind energy conversion system being sent of energy, load is judged; With the working method of this switched system, accomplish the coordination control of each electric supply installation and load.
The storage battery power supply branch road comprises storage battery, accumulator electric-quantity testing circuit, battery circuit switch; Storage battery is connected with single-chip microcomputer through the accumulator electric-quantity testing circuit; Storage battery is connected with load through the battery circuit switch, and storage battery also is connected with wind-force charging circuit switch and solar charging circuit switch respectively and under the control of single-chip microcomputer, is its charging by wind power supply branch road and solar powered branch road.
In the utility model, storage battery plays a part the storage of energy and regulates electric energy, and at wind-force, when solar energy is sufficient, both send superfluous power storage in storage battery, and when system's energy output was not enough, storage battery was to the load electric energy supplement.Single-chip microcomputer can be according to the energy output size of wind-force, solar energy and the variation of load; Constantly the operating state of storage battery is switched and regulated; Make its alternate run under states such as charging, discharge or floating charge, thereby guarantee the continuity and the stability of electricity generation system work.Because lead acid accumulator can not overcharge and over-discharge can in the process of operation, in order to protect storage battery, controller can send the instruction that storage battery is continued discharge, reduces discharge capacity or stop to discharge through detecting the state of battery charge will.
The single-chip microcomputer of this electricity generation system is accomplished the electric energy detection to each power supply branch road, and switches the power supply branch road according to each branch road electric energy situation and loading condition, and its changing method is following:
1, the solar power generation amount a little less than, the wind power generation cisco unity malfunction, promptly wind speed is lower or too high, wind-driven generator can not generate electricity or rotating speed too high, close wind power generation.If accumulator voltage is lower, system closedown then.
2, the solar power generation amount a little less than, the wind power generation cisco unity malfunction, promptly wind speed is lower or too high, wind-driven generator can not generate electricity or rotating speed too high, close wind power generation, if accumulator voltage is normal and can drive load, then battery discharging powers to the load;
3, the solar energy amount of sending out a little less than, wind speed is higher, wind-driven generator can generate electricity, but the energy that the energy of need of load sends greater than wind-driven generator, and accumulator voltage is normal, then storage battery and wind-driven generator power to the load simultaneously; If the energy that the energy of need of load sends less than wind-driven generator is then supplied power by wind-driven generator.If wind power generation and storage battery co-operation also are with not dynamic load, then cut-off parts load.
4, the solar power generation amount is stronger, and wind speed is higher, and wind-driven generator can generate electricity; But the energy that the energy of need of load sends greater than solar energy and wind-driven generator; Accumulator voltage is lower, the cut-off parts load, and charge a battery jointly by solar energy and wind energy.
5, the solar power generation amount is stronger, and wind speed is higher, and wind-driven generator can generate electricity, and the enough loads of the electric energy that both send are used and excess energy is arranged, if accumulator voltage is lower, are then powered to the load by the two, simultaneously to charge in batteries; If accumulator voltage is higher, do not need charging, then power to the load jointly by wind energy and solar energy, unnecessary electric energy is through the off-load resistance consumption.If wind energy and solar energy co-operation also are with not dynamic load, then let solar energy, wind energy, storage battery three supply power simultaneously.Single-chip microcomputer can also be according to loading condition, separately during drive load, closes another kind of generation mode at a certain generation mode in good time.
6, the solar power generation amount is stronger, and wind speed is too high, and the wind-driven generator rotating speed is too high or too low, then closes wind power generation; This moment, load institute energy requirement was less than solar energy and have a surplus if accumulator voltage is lower, was then powered to the load by solar energy; Charge a battery simultaneously, if load institute energy requirement greater than solar energy, then stops fractional load; And fixation pause back loading situation, under the enough situation of energy, solar energy charges a battery.
7, the solar power generation amount is stronger, and wind speed is too high or low excessively, and the wind-driven generator rotating speed is too high maybe can not to generate electricity; Then close wind power generation, if accumulator voltage is higher, load institute energy requirement is less than solar energy and have a surplus; Then powered to the load by solar energy, unnecessary electric energy is through the off-load resistance consumption.If load institute energy requirement is greater than solar energy, then by solar energy and the common powering load of storage battery.
It is emphasized that; The described embodiment of the utility model is illustrative; Rather than it is determinate; Therefore the utility model is not limited to the embodiment described in the embodiment, every by those skilled in the art according to other execution modes that the technical scheme of the utility model draws, belong to the scope of the utility model protection equally.
Claims (7)
1. wind energy and solar energy complementary type electricity generation system; It is characterized in that: comprise single-chip microcomputer, solar powered branch road, wind power supply branch road, storage battery power supply branch road, load terminal voltage current detection circuit and load end start stop switch; Single-chip microcomputer is connected with solar powered branch road, wind power supply branch road, storage battery power supply branch road, load terminal voltage current detection circuit and load end start stop switch through the I/O interface respectively; Solar powered branch road, wind power supply branch road and storage battery power supply branch road output are connected with load through corresponding relay switch circuit, and the output of solar powered branch road, wind power supply branch road is connected respectively to and is charge in batteries on the storage battery branch road.
2. wind energy and solar energy complementary type electricity generation system according to claim 1 is characterized in that: the output of described solar powered branch road, wind power supply branch road, storage battery power supply branch road also is connected with inverter to carry out DC-AC and changes.
3. wind energy and solar energy complementary type electricity generation system according to claim 1 and 2; It is characterized in that: described solar powered branch road comprises device of solar generating, solar voltage current detection circuit, solar energy DC/DC circuit, solar energy pressure regulation and voltage stabilizing circuit, solar charging circuit, solar charging circuit switch, solar energy branch road relay switch; Device of solar generating one end is connected with single-chip microcomputer through the solar voltage current detection circuit; The device of solar generating other end is connected with solar energy DC/DC circuit, solar energy pressure regulation and voltage stabilizing circuit successively; Solar energy pressure regulation and voltage stabilizing circuit one output are connected with load through solar energy branch road relay switch and are electric; Another output of solar energy pressure regulation and voltage stabilizing circuit is connected with storage battery through solar charging circuit, solar charging circuit switch; It is its power supply that solar energy pressure regulation and voltage stabilizing circuit provide the galvanic current source to be connected with single-chip microcomputer, and solar charging circuit, solar charging circuit switch also are connected with single-chip microcomputer respectively and are charge in batteries under the control of single-chip microcomputer.
4. wind energy and solar energy complementary type electricity generation system according to claim 3, it is characterized in that: described device of solar generating is connected and composed by solar panels and switch.
5. wind energy and solar energy complementary type electricity generation system according to claim 1 and 2; It is characterized in that: described wind power supply branch road comprises wind power generation plant, wind power generation voltage and current detection circuit, wind-force DC/DC circuit, wind-force pressure regulation and voltage stabilizing circuit, wind-force charging circuit, wind-force charging circuit switch, wind-force branch road relay switch; Wind power generation plant one end is connected with single-chip microcomputer through the wind-force voltage and current detection circuit; The wind power generation plant other end is connected with wind-force DC/DC circuit, wind-force pressure regulation and voltage stabilizing circuit successively; Wind-force pressure regulation and voltage stabilizing circuit one output are connected with load through wind-force branch road relay switch and are electric; Another output of wind-force pressure regulation and voltage stabilizing circuit is connected with storage battery through wind-force charging circuit, wind-force charging circuit switch, and wind-force charging circuit, wind-force charging circuit switch also are connected with single-chip microcomputer respectively and under the control of single-chip microcomputer, are charge in batteries.
6. wind energy and solar energy complementary type electricity generation system according to claim 5, it is characterized in that: described wind power generation plant is connected and composed by wind energy conversion system and magneto alternator etc.
7. wind energy and solar energy complementary type electricity generation system according to claim 1 and 2; It is characterized in that: described storage battery power supply branch road comprises storage battery, accumulator electric-quantity testing circuit, battery circuit switch; Storage battery is connected with single-chip microcomputer through the accumulator electric-quantity testing circuit; Storage battery is connected with load through the battery circuit switch, and storage battery also is connected with wind-force charging circuit switch and solar charging circuit switch respectively and under the control of single-chip microcomputer, is its charging by wind power supply branch road and solar powered branch road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203774491U CN202260598U (en) | 2011-09-29 | 2011-09-29 | Wind-solar complementary power generation system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011203774491U CN202260598U (en) | 2011-09-29 | 2011-09-29 | Wind-solar complementary power generation system |
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| CN202260598U true CN202260598U (en) | 2012-05-30 |
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| CN2011203774491U Expired - Fee Related CN202260598U (en) | 2011-09-29 | 2011-09-29 | Wind-solar complementary power generation system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102710005A (en) * | 2012-06-04 | 2012-10-03 | 国电南瑞科技股份有限公司 | Power supply method for grid-connected and off-grid dual-purpose wind and light complement power generation system |
| CN105578646A (en) * | 2015-10-02 | 2016-05-11 | 袁芬 | Light emitting diode (LED) pole-type lighting device capable of being charged day and night |
| CN105716028A (en) * | 2015-10-02 | 2016-06-29 | 蒋超 | Working method of LED rod lighting device combining solar power supply mode and wind power supply mode |
| CN105782869A (en) * | 2015-10-02 | 2016-07-20 | 蒋超 | LED pole type lighting device charged through solar energy and wind energy |
| CN110350642A (en) * | 2019-07-09 | 2019-10-18 | 青岛海研电子有限公司 | A kind of solar energy Double battery switching device and switching method |
| CN115242163A (en) * | 2022-07-15 | 2022-10-25 | 海南苏沃科技有限公司 | Range extending system powered by wind energy, solar energy and kinetic energy jointly |
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2011
- 2011-09-29 CN CN2011203774491U patent/CN202260598U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102710005A (en) * | 2012-06-04 | 2012-10-03 | 国电南瑞科技股份有限公司 | Power supply method for grid-connected and off-grid dual-purpose wind and light complement power generation system |
| CN105578646A (en) * | 2015-10-02 | 2016-05-11 | 袁芬 | Light emitting diode (LED) pole-type lighting device capable of being charged day and night |
| CN105716028A (en) * | 2015-10-02 | 2016-06-29 | 蒋超 | Working method of LED rod lighting device combining solar power supply mode and wind power supply mode |
| CN105782869A (en) * | 2015-10-02 | 2016-07-20 | 蒋超 | LED pole type lighting device charged through solar energy and wind energy |
| CN105848346A (en) * | 2015-10-02 | 2016-08-10 | 蒋超 | LED pole type illuminating device charged by solar energy and wind energy |
| CN105841069A (en) * | 2015-10-02 | 2016-08-10 | 蒋超 | LED pole type illumination device compatible with solar power supply mode and wind energy power supply mode |
| CN105889858A (en) * | 2015-10-02 | 2016-08-24 | 蒋超 | LED rod type lighting device capable of being charged by solar energy and wind energy day and night |
| CN105889859A (en) * | 2015-10-02 | 2016-08-24 | 蒋超 | LED rod type lighting device capable of being charged by solar energy and wind energy day and night |
| CN110350642A (en) * | 2019-07-09 | 2019-10-18 | 青岛海研电子有限公司 | A kind of solar energy Double battery switching device and switching method |
| CN110350642B (en) * | 2019-07-09 | 2024-04-30 | 青岛海研电子有限公司 | Solar double-battery switching device and switching method |
| CN115242163A (en) * | 2022-07-15 | 2022-10-25 | 海南苏沃科技有限公司 | Range extending system powered by wind energy, solar energy and kinetic energy jointly |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20120929 |