CN201238205Y - Low-wind velocity charge controller for miniature aerogenerator - Google Patents
Low-wind velocity charge controller for miniature aerogenerator Download PDFInfo
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- CN201238205Y CN201238205Y CNU2008201219088U CN200820121908U CN201238205Y CN 201238205 Y CN201238205 Y CN 201238205Y CN U2008201219088 U CNU2008201219088 U CN U2008201219088U CN 200820121908 U CN200820121908 U CN 200820121908U CN 201238205 Y CN201238205 Y CN 201238205Y
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
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Abstract
The utility model discloses a low wind speed charge controller for a small wind power generator, which comprises a rectifier filtering circuit, a rotating speed testing circuit, a switch circuit and a controlled voltage booster-regulator circuit; wherein, alternating current passes through the rectifier filtering circuit to be connected with the rotating speed testing circuit; the output terminal of the rotating speed testing circuit is connected with the input terminal of the switch circuit; the output terminal of the switch circuit is connected with the input terminal of the voltage booster-regulator circuit, and the output terminal of the controlled voltage booster-regulator circuit is connected with the controller of a generator; and the voltage regulator circuit provides stable working power for the rotating speed testing circuit; the output terminal of the voltage regulator circuit is connected with the output terminal of the rectifier filtering circuit. The charge controller has the advantages that the connection between the input terminal of the voltage regulator circuit and the output terminal of the rectifier filtering circuit prevents the voltage regulator circuit from getting power directly from the storage battery, and when the generator is out of operation, the voltage on the output terminal of the rectifier filtering circuit is zero and the voltage regulator circuit and system circuits stop working, thus realizing the zero current consumption during the static work.
Description
Technical field
The utility model relates to a kind of wind-driven generator, especially relates to a kind of low wind velocity charging controller for minitype wind power generator.
Background technology
The electric energy that most of wind-driven generator is sent all is directly to charge in batteries and by batteries to store energy, the voltage of being exported when the rotating speed of generator does not reach specified rotating speed is lower than the voltage of storage battery, this moment, generator can not be to charge in batteries, could be when having only the voltage of generator to be higher than the voltage of storage battery to charge in batteries, wind-driven generator is not to make the rotating speed of generator reach rated speed all the time when reality is used, weather calm or low wind-force wind-driven generator is not changeed or rotating speed not enough, make the output voltage of generator be lower than the voltage of storage battery, and can not be to charge in batteries, the wind energy utilization of wind-driven generator is not high for this reason.
If reduce the rated speed of generator, generator generated electricity when the slow-speed of revolution.But the volume of low-speed generator is big, cost is too high, and drives torsion during low wind-force and cross and lowly be difficult to drive engine rotation and reach specified rotating speed, and low-speed generator can not effectively improve the generating efficiency of wind-driven generator for this reason.
Consider to go to improve wind-driven generator from the angle of the generating efficiency that improves generator, the several percentages of efficient that will improve generator by present existing technology and material also are very difficult, as passing through structure of modification to blade, torsion when the size of using the manufacturings blade such as new material of high-strength light amount and increasing blade is hanged down wind speed to increase, can improve the generating efficiency of wind-driven generator, but be difficult to generating efficiency is increased substantially.China Patent No. is that the utility model patent of ZL200620054077.8 discloses a kind of name and is called " increasing apparatus of wind-driven generator ", and it comprises DC/DC booster circuit, voltage comparator and stabilized voltage power supply; The DC/DC booster circuit is connected between the output and storage battery of wind power magneto generator, voltage comparator is connected between the control end of the output of wind power magneto generator and DC/DC booster circuit, stabilized voltage power supply is connected in parallel on the two ends of storage battery, and voltage of voltage regulation provides the operating voltage of DC/DC booster circuit and voltage comparator.Its effect is for being lower than the voltage of storage battery when generator output, judge that through voltage comparator the output control signal drives the boost in voltage of DC/DC booster circuit with generator output, and to charge in batteries, the voltage that is higher than storage battery when generator output, judge that through voltage comparator exporting control signal closes the DC/DC booster circuit, the wind power magneto generator is directly to charge in batteries again.Thereby improved the generating efficiency of permanent magnet generator effectively.But also exist shortcoming: stabilized voltage power supply is by storage battery power supply, and when generator was not worked, stabilized voltage power supply and subsequent conditioning circuit continued the electric weight of loss storage battery, have reduced generating efficiency.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of low wind velocity charging controller for minitype wind power generator, when generator is not worked, and the electric weight that stabilized voltage power supply and subsequent conditioning circuit can loss loss storage batterys.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of low wind velocity charging controller for minitype wind power generator, include current rectifying and wave filtering circuit, the measurement of rotating speed circuit, switching circuit and controlled boosting voltage stabilizing circuit, alternating current is connected with described measurement of rotating speed circuit by current rectifying and wave filtering circuit, the output of described measurement of rotating speed circuit is connected with the input of described switching circuit, the output of described switching circuit is connected with the input of described controlled boosting voltage stabilizing circuit, described controlled boosting voltage stabilizing circuit exports engine controller to, voltage stabilizing circuit provides stable working power for the measurement of rotating speed circuit, and the input of voltage stabilizing circuit is connected with the output of described current rectifying and wave filtering circuit.
Voltage stabilizing circuit comprises first triode, the collector electrode of described first triode is connected with the cathode output end of current rectifying and wave filtering circuit, the collector electrode of described first triode is respectively by first resistance and second capacity earth, the base stage of described first triode is by the first diode ground connection, the negative pole of described first diode is connected with the base stage of first triode, the plus earth of described first diode.The emitter of described first triode is by the 3rd capacity earth, and the emitter of described first triode is connected with the 8th pin of described voltage comparator.
The controlled boosting pressurizer comprises that model is the integrated voltage stabilizing chip of LM2577T-ADJ, inductance and the 5th diode, described inductance and the 5th diode are serially connected on the positive source after the rectification, the source electrode of described field effect transistor is connected with the 5th pin of integrated voltage stabilizing chip, first pin of described integrated voltage stabilizing chip is connected with the 20 resistance by the 6th electric capacity respectively, the 3rd pin ground connection of described integrated voltage stabilizing chip, positive source after the described rectification is by the 4th capacity earth, the positive pole of described the 4th electric capacity is connected with described inductance one end, the 4th pin of described integrated voltage stabilizing chip is connected with the other end of inductance, second pin of described integrated voltage stabilizing chip is connected with the negative pole of the 5th diode by the 21 resistance, and second pin of described integrated voltage stabilizing chip is by the 22 grounding through resistance.
The measurement of rotating speed circuit comprises voltage comparator, through resistor network two kinds of comparative voltages are set, second resistance and the 3rd resistance compare dividing point for first, input to second pin of voltage comparator, the 4th resistance and the 5th resistance are second relatively dividing point, input to the 5th pin of voltage comparator, the 8th resistance and the 9th resistance input to the 6th pin and the 3rd pin of voltage comparator respectively, voltage comparator provides reference voltage, be provided with the 11 resistance between first pin of voltage comparator and the 3rd pin, the 5th pin and the 7th pin of voltage comparator are provided with the tenth resistance.
Switching circuit comprises second triode and field effect transistor, first pin of described voltage comparator is connected with the base stage of triode by second triode, the negative pole of described second diode is connected with first pin of voltage comparator, the positive pole of described second diode is connected with the base stage of second triode, the 7th pin of described voltage comparator is connected with the base stage of second triode by the 12 resistance, the base stage of described second triode is by the 13 grounding through resistance, the emitter of described second triode is by the 4th diode ground connection, the collector electrode of described second triode is connected with the grid of field effect transistor by the 15 resistance, the drain electrode of described field effect transistor is connected with positive source after the rectification, has been arranged in parallel the 3rd diode and the 14 resistance between the drain electrode of described field effect transistor and the grid of described field effect transistor.
The positive output end of controlled boosting pressurizer is provided with the 6th diode, and the positive output end of described controlled boosting pressurizer is by the 7th capacity earth.
Compared with prior art, advantage of the present utility model is that the input of voltage stabilizing circuit is connected with the output of described current rectifying and wave filtering circuit, avoided directly power taking from storage battery of voltage stabilizing circuit, when blower fan is not worked, the output end voltage of current rectifying and wave filtering circuit is zero, voltage stabilizing circuit and circuit system quit work, the current zero loss when having realized quiescent operation.
Its advantage of three phase rectifier filter circuit: with low cost, simple in structure.Operation principle: the unidirectional on state characteristic that utilizes two utmost points.
Its advantage of voltage stabilizing circuit: volume is little, is convenient to assembling, and with low cost, helps producing in batches.Operation principle: utilize the voltage-stabiliser tube characteristic to obtain supply voltage.
The measurement of rotating speed circuit: circuit devcie is with low cost, and is convenient to change parameter to reach required working point.Operation principle:
1, about the lower limit rotating speed: the lower limit rotating speed is determined that by sampling voltage divider R2, the R3 ratio of voltage comparator U1A when conversion decline low speed sample amplitude when reproduced was lower than benchmark, U1A exported high potential, closes stepup transformer.
2, about upper limit rotating speed: upper limit rotating speed is by the sampling voltage divider R4 of voltage comparator U1B, and R5 determines that relatively U1B exports high potential, closes stepup transformer when rotating speed up-samples point voltage is higher than benchmark.
3, the value of boosting: the value of boosting determines that by the ratio of boost integrated circuit LM2577-ADJ input sample voltage divider R8, R9 the value of boosting is a little less than the storage battery float charge voltage.
Its advantage of switching circuit: circuit and element are simple, and volume with low cost is little, is beneficial to batch process.Operation principle: utilize the shutoff of triode and the working power that conducting provides LM2577T-ADJ.
Controlled boosting pressurizer: advantage: circuit integration, volume is little, and is with low cost, is beneficial to batch process.Operation principle: input service voltage directly boosts to required voltage.
Description of drawings
Fig. 1 is a circuit block diagram of the present utility model;
Fig. 2 is circuit theory diagrams of the present utility model;
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
A kind of low wind velocity charging controller for minitype wind power generator, include current rectifying and wave filtering circuit 1, measurement of rotating speed circuit 3, switching circuit 4 and controlled boosting voltage stabilizing circuit 5, alternating current is connected with measurement of rotating speed circuit 3 by current rectifying and wave filtering circuit 1, the output of measurement of rotating speed circuit 3 is connected with the input of switching circuit 4, the output of switching circuit 4 is connected with the input of controlled boosting voltage stabilizing circuit 5, controlled boosting voltage stabilizing circuit 5 exports engine controller to, voltage stabilizing circuit 2 provides stable working power for measurement of rotating speed circuit 5, and the input of voltage stabilizing circuit 2 is connected with the output of current rectifying and wave filtering circuit 1.
Controlled boosting pressurizer 5 comprises that model is the integrated voltage stabilizing chip U3 of LM2577T-ADJ, inductance L and the 5th diode D5, inductance L and the 5th diode D5 are serially connected on the positive source after the rectification, the source electrode of field effect transistor Q3 is connected with the 5th pin of integrated voltage stabilizing chip U3, first pin of integrated voltage stabilizing chip U3 is connected with the 20 resistance R 20 by the 6th capacitor C 6 respectively, the 3rd pin ground connection of integrated voltage stabilizing chip U3, positive source after the rectification is by the 4th capacitor C 4 ground connection, the positive pole of the 4th capacitor C 4 is connected with inductance L one end, the 4th pin of integrated voltage stabilizing chip U3 is connected with the other end of inductance L, second pin of integrated voltage stabilizing chip U3 is connected with the negative pole of the 5th diode D5 by the 21 resistance R 21, and second pin of integrated voltage stabilizing chip U3 is by the 22 resistance R 22 ground connection.
Measurement of rotating speed circuit 3 comprises voltage comparator U1, through resistor network two kinds of comparative voltages are set, second resistance R 2 and the 3rd resistance R 3 compare dividing point for first, input to second pin of voltage comparator U1, the 4th resistance R 4 and the 5th resistance R 5 are second relatively dividing point, input to the 5th pin of voltage comparator U1, the 8th resistance R 8 and the 9th resistance R 9 input to the 6th pin and the 3rd pin of voltage comparator U1 respectively, voltage comparator U1 provide reference voltage, be provided with the 11 resistance R 11 between first pin of voltage comparator U1 and the 3rd pin, the 5th pin of voltage comparator U1 and the 7th pin are provided with the tenth resistance R 10.
The positive output end of controlled boosting pressurizer 5 is provided with the 6th diode D6, and the positive output end of controlled boosting pressurizer 5 is by the 7th capacitor C 7 ground connection.
Operation principle: the lower voltage limit of charge controller is determined by second resistance R 2 and the 3rd resistance R 3 ratios of voltage comparator U1A, when rotation speed of fan decline makes sample amplitude when reproduced be lower than benchmark, voltage comparator U1A exports high potential, closes the controlled boosting pressurizer.The upper voltage limit of charge controller determines that by the 4th resistance R 4 and the 5th resistance R 5 ratios of voltage comparator U1B when the rotation speed of fan rising made sample amplitude when reproduced be higher than benchmark, voltage comparator U1B exported high potential, closes the controlled boosting pressurizer.The value of boosting determines that by the ratio that the integrated circuit LM2577-ADJ that boosts imports the 8th resistance R 8 and the 9th resistance R 9 value of boosting is a little less than the storage battery float charge voltage.
The blower fan three-phase alternating voltage enters rectification circuit through A, B, C input, is filtered into direct voltage through three phase rectifier.
The D point voltage through control power supply voltage stabilizing after to E point for the galvanic current pressure, for voltage comparator U1 provides stable working power.After the 8th resistance R 8 and the 9th resistance R 9 dividing potential drops, provided stable benchmark voltage at H o'clock for voltage comparator U1A and U1B.The F point is that ceiling voltage sampled point G point is the minimum voltage sampled point
1) voltage comparator U1A output low level when the F point voltage is higher than H point voltage (rotation speed of fan height), the I point is an electronegative potential, and the second triode Q2 ends, and field effect transistor Q3 ends.Integrated voltage stabilizing chip U3 does not have power supply and does not work, and makes after the rectification of blower fan electric energy by inductance L, the 5th diode D5, the 6th diode D6 output.
2) when G point voltage voltage comparator U1B output low level during less than H point (rotation speed of fan is low), the I point is an electronegative potential, and the second triode Q2 ends, and field effect transistor Q3 ends.Integrated voltage stabilizing chip U3 does not have power supply and does not work.
3) the I point is a high potential when the F point voltage is lower than H point and G point voltage and is higher than H point (working speed), the second triode Q2 conducting, field effect transistor Q3 conducting.Field effect transistor Q3 provides stabilized power supply for integrated voltage stabilizing chip U3, and integrated voltage stabilizing chip U3 work is output as stable high voltage.
Claims (6)
1. low wind velocity charging controller for minitype wind power generator, include current rectifying and wave filtering circuit, the measurement of rotating speed circuit, switching circuit and controlled boosting voltage stabilizing circuit, alternating current is connected with described measurement of rotating speed circuit by current rectifying and wave filtering circuit, the output of described measurement of rotating speed circuit is connected with the input of described switching circuit, the output of described switching circuit is connected with the input of described controlled boosting voltage stabilizing circuit, described controlled boosting voltage stabilizing circuit exports engine controller to, it is characterized in that voltage stabilizing circuit provides stable working power for the measurement of rotating speed circuit, the input of voltage stabilizing circuit is connected with the output of described current rectifying and wave filtering circuit.
2. a kind of low wind velocity charging controller for minitype wind power generator according to claim 1, it is characterized in that voltage stabilizing circuit comprises first triode, the collector electrode of described first triode is connected with the cathode output end of current rectifying and wave filtering circuit, the collector electrode of described first triode is respectively by first resistance and second capacity earth, the base stage of described first triode is by the first diode ground connection, the negative pole of described first diode is connected with the base stage of first triode, the plus earth of described first diode.The emitter of described first triode is by the 3rd capacity earth, and the emitter of described first triode is connected with the 8th pin of described voltage comparator.
3. a kind of low wind velocity charging controller for minitype wind power generator according to claim 1, it is characterized in that the controlled boosting pressurizer comprises that model is the integrated voltage stabilizing chip of LM2577T-ADJ, inductance and the 5th diode, described inductance and the 5th diode are serially connected on the positive source after the rectification, the source electrode of described field effect transistor is connected with the 5th pin of integrated voltage stabilizing chip, first pin of described integrated voltage stabilizing chip is connected with the 20 resistance by the 6th electric capacity respectively, the 3rd pin ground connection of described integrated voltage stabilizing chip, positive source after the described rectification is by the 4th capacity earth, the positive pole of described the 4th electric capacity is connected with described inductance one end, the 4th pin of described integrated voltage stabilizing chip is connected with the other end of inductance, second pin of described integrated voltage stabilizing chip is connected with the negative pole of the 5th diode by the 21 resistance, and second pin of described integrated voltage stabilizing chip is by the 22 grounding through resistance.
4. a kind of low wind velocity charging controller for minitype wind power generator according to claim 1, it is characterized in that the measurement of rotating speed circuit comprises voltage comparator, through resistor network two kinds of comparative voltages are set, second resistance and the 3rd resistance compare dividing point for first, input to second pin of voltage comparator, the 4th resistance and the 5th resistance are second relatively dividing point, input to the 5th pin of voltage comparator, the 8th resistance and the 9th resistance input to the 6th pin and the 3rd pin of voltage comparator respectively, voltage comparator provides reference voltage, be provided with the 11 resistance between first pin of voltage comparator and the 3rd pin, the 5th pin and the 7th pin of voltage comparator are provided with the tenth resistance.
5. a kind of low wind velocity charging controller for minitype wind power generator according to claim 1, it is characterized in that switching circuit comprises second triode and field effect transistor, first pin of described voltage comparator is connected with the base stage of triode by second triode, the negative pole of described second diode is connected with first pin of voltage comparator, the positive pole of described second diode is connected with the base stage of second triode, the 7th pin of described voltage comparator is connected with the base stage of second triode by the 12 resistance, the base stage of described second triode is by the 13 grounding through resistance, the emitter of described second triode is by the 4th diode ground connection, the collector electrode of described second triode is connected with the grid of field effect transistor by the 15 resistance, the drain electrode of described field effect transistor is connected with positive source after the rectification, has been arranged in parallel the 3rd diode and the 14 resistance between the drain electrode of described field effect transistor and the grid of described field effect transistor.
6. a kind of low wind velocity charging controller for minitype wind power generator according to claim 1 is characterized in that the positive output end of controlled boosting pressurizer is provided with the 6th diode, and the positive output end of described controlled boosting pressurizer is by the 7th capacity earth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201219088U CN201238205Y (en) | 2008-07-23 | 2008-07-23 | Low-wind velocity charge controller for miniature aerogenerator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201219088U CN201238205Y (en) | 2008-07-23 | 2008-07-23 | Low-wind velocity charge controller for miniature aerogenerator |
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| Publication Number | Publication Date |
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| CN201238205Y true CN201238205Y (en) | 2009-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008201219088U Expired - Fee Related CN201238205Y (en) | 2008-07-23 | 2008-07-23 | Low-wind velocity charge controller for miniature aerogenerator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI566507B (en) * | 2016-03-17 | 2017-01-11 | Nat Chung-Shan Inst Of Science And Tech | Wind power generation charging circuit |
| CN107014444A (en) * | 2017-05-27 | 2017-08-04 | 山东罗泰风机有限公司 | A kind of blower fan dynamic performance parameter measuring system |
| CN112310989A (en) * | 2020-10-29 | 2021-02-02 | 南京理工大学 | Overflow energy storage type power circuit |
-
2008
- 2008-07-23 CN CNU2008201219088U patent/CN201238205Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI566507B (en) * | 2016-03-17 | 2017-01-11 | Nat Chung-Shan Inst Of Science And Tech | Wind power generation charging circuit |
| CN107014444A (en) * | 2017-05-27 | 2017-08-04 | 山东罗泰风机有限公司 | A kind of blower fan dynamic performance parameter measuring system |
| CN107014444B (en) * | 2017-05-27 | 2023-08-29 | 山东罗泰风机有限公司 | Fan dynamic performance parameter measurement system |
| CN112310989A (en) * | 2020-10-29 | 2021-02-02 | 南京理工大学 | Overflow energy storage type power circuit |
| CN112310989B (en) * | 2020-10-29 | 2022-09-20 | 南京理工大学 | Overflow energy storage type power circuit |
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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: 20090513 Termination date: 20100723 |