CN210265024U - Household small-sized wind power generation device - Google Patents
Household small-sized wind power generation device Download PDFInfo
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- CN210265024U CN210265024U CN201920585608.3U CN201920585608U CN210265024U CN 210265024 U CN210265024 U CN 210265024U CN 201920585608 U CN201920585608 U CN 201920585608U CN 210265024 U CN210265024 U CN 210265024U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/30—Wind power
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
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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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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Abstract
The utility model provides a small-size wind power generation set is used at family, include: the small wind driven generator comprises a generator and a rotating shaft, the rotating shaft penetrates through the generator, the tail end of the rotating shaft is connected with an empennage, the head end of the rotating shaft is connected with eight fan blades, the automatic jump interlocking circuit is used for converting alternating current emitted by the small wind driven generator into direct current of 13-18V and then outputting the direct current to the charger, and the charger is used for converting the received direct current of 13-18V into direct current of 12V and then charging the storage battery and the inverter is used for converting the direct current of 12V output by the storage battery into alternating current of 220V and then supplying the alternating current to household appliances. By utilizing the utility model, the generator can generate electricity under 2-3 levels of wind power by increasing the number of the fan blades; the voltage generated by the small wind driven generator is kept between 13V and 18V, and the storage battery is continuously charged.
Description
Technical Field
The utility model belongs to the technical field of small-size power generation equipment, more specifically relates to a family is with small-size wind power generation set.
Background
The household small-sized power generation device is a wind power generation device used by one household in a rural area, and the working principle of the household small-sized power generation device is that a storage battery is charged and stored after alternating current is converted into direct current, and the storage battery is inverted into 220V alternating current during power generation.
Compared with a large-scale wind power generation device, the household small-scale wind power generation device has the advantages of high cost and convenient use, but the household small-scale wind power generation device also has the following two problems at present:
1. the fan of the generator can not generate power without rotating at low wind speed;
2. the unable regulation of voltage that the generator produced, when the voltage that produces when the generator is less than storage battery charging voltage, can't charge to the storage battery, when the voltage that produces when the generator is higher than the charging voltage of storage battery, burns out the storage battery easily.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the present invention provides a small wind power generator for household, comprising: the small wind driven generator comprises a generator, a tower frame and a rotating shaft, wherein the tower frame is supported at the bottom of the generator, the rotating shaft penetrates through the generator, the tail end of the rotating shaft is connected with an empennage, and the head end of the rotating shaft is connected with eight blades; the input end of the automatic skip interlocking circuit is coupled with A, B, C phases of three-phase alternating current generated by the small wind driven generator through an electric slip ring, the output end of the automatic skip interlocking circuit is coupled with the input end of the charger, and the automatic skip interlocking circuit is used for converting the alternating current generated by the small wind driven generator into direct current of 13-18V and outputting the direct current to the charger; the output end of the charger is coupled with the input end of the storage battery, and the charger is used for converting the received 13-18V direct current into 12V and then charging the storage battery; the primary coil of the inverter is coupled with the output end of the storage battery, the secondary coil of the inverter is coupled with the household appliance, and the inverter is used for converting 12V direct current output by the storage battery into 220V alternating current and then supplying the alternating current to the household appliance.
Further, it is preferable that the auto skip interlock circuit includes: the voltage boosting circuit, the voltage boosting start-control circuit and the voltage reducing circuit are interlocked; the booster circuit comprises a first alternating current relay, a booster transformer, a first three-phase rectifier bridge and a first direct current relay, wherein the first alternating current relay and the first direct current relay are both in a conversion type, three movable contacts of the first alternating current relay are coupled with A, B, C of three-phase alternating current generated by the small wind driven generator through an electric slip ring, three static contacts of the first alternating current relay are respectively coupled with a primary side of the booster transformer, a secondary side of the booster transformer is coupled with an input end of the first three-phase rectifier bridge, an output end of the first three-phase rectifier bridge is coupled with two movable contacts of the first direct current relay, and the two static contacts of the first direct current relay serve as voltage output ends and are connected with an input end of a storage battery; the boosting starting and controlling circuit comprises a second three-phase rectifier bridge, a 13V starting and controlling circuit, a second direct current relay and a third direct current relay, wherein the input end of the second three-phase rectifier bridge is respectively connected with A of three-phase alternating current generated by the small-sized wind driven generator through an electric slip ring, B. the phase C is coupled, the output end of the second three-phase rectifier bridge is coupled with the input end of the 13V starting and controlling circuit, the output end of the 13V starting and controlling circuit is coupled with a coil of a second direct-current relay, the coil of the second direct-current relay is coupled with a coil of a first alternating-current relay and a coil of a first direct-current relay respectively, two movable contacts of the second direct-current relay are coupled with the output end of the second three-phase rectifier bridge, two static contacts of the second direct-current relay are coupled with two movable contacts of a third direct-current relay respectively, and the two static contacts of the third direct-current relay serve as voltage output ends and are connected with the input end of the storage battery; the voltage reduction circuit comprises a third three-phase rectifier bridge, an 18V starting control circuit, a second alternating current relay, a step-down transformer, a fourth three-phase rectifier bridge and a fourth direct current relay, wherein the input end of the third three-phase rectifier bridge is respectively coupled with A, B, C of three-phase alternating current generated by the small wind driven generator through an electric slip ring, the output end of the third three-phase rectifier bridge is coupled with the input end of the 18V starting control circuit, the output end of the 18V starting control circuit is coupled with a coil of the second alternating current relay, the coil of the second alternating current relay is respectively coupled with a coil of the third direct current relay and a coil of the fourth direct current relay, three movable contacts of the second alternating current relay are respectively coupled with A, B, C of the three-phase alternating current generated by the small wind driven generator through the electric slip ring, the second alternating current relay is coupled with three static contact primary sides of the step-down transformer, and the secondary side of the step-down transformer, the output end of the fourth three-phase rectifier bridge is coupled with two movable contacts of a fourth direct-current relay, and two fixed contacts of the fourth direct-current relay are used as voltage output ends and connected with the input end of the storage battery.
In addition, it is preferable that the 13V start-control circuit and the 18V start-control circuit respectively include a triode, a zener diode, a first normal diode, a second normal diode, and a variable resistor, in the 13V start-control circuit, a first output terminal of the second three-phase rectifier bridge is coupled to a coil of the second dc relay, a second output terminal of the second three-phase rectifier bridge is coupled to an anode of the first normal diode, a cathode of the first normal diode is coupled to a collector of the triode, a base of the triode is coupled to a cathode of the zener diode, an anode of the zener diode is coupled to a connection point of the first output terminal of the second three-phase rectifier bridge and the coil of the second dc relay, an emitter of the triode is coupled to the coil of the second dc relay, an anode of the second normal diode is coupled to a connection point of the anode of the zener diode and the coil of the second dc relay, the cathode of the second common diode is coupled to a connection point of the emitter of the triode and the coil of the second direct current relay, one end of the variable resistor is coupled to a connection point of the second output end of the second three-phase rectifier bridge and the anode of the first common diode, and the other end of the variable resistor is coupled to a connection point of the base of the triode and the cathode of the zener diode; in the 18V starting control circuit, a first output end of a third three-phase rectifier bridge is coupled with a coil of a second alternating current relay, a second output end of the third three-phase rectifier bridge is coupled with an anode of a first common diode, a cathode of the first common diode is coupled with a collector of a triode, a base of the triode is coupled with a cathode of a voltage stabilizing diode, an anode of the voltage stabilizing diode is coupled with a connection point of the first output end of the third three-phase rectifier bridge and the coil of the second alternating current relay, an emitter of the triode is coupled with the coil of the second alternating current relay, an anode of the second common diode is coupled with a connection point of the anode of the voltage stabilizing diode and the coil of the second alternating current relay, the cathode of the second common diode is coupled with a connection point of the emitter of the triode and the coil of the second alternating current relay, one end of a variable resistor is coupled with a connection point of the second output end of, the other end of the variable resistor is coupled to a connection point of the base of the triode and the cathode of the voltage stabilizing diode.
Utilize above-mentioned the utility model discloses a small-size wind power generation set is used at family can gain following technological effect:
1. the generator can generate electricity under 2-3 levels of wind power by increasing the number of the fan blades;
2. when the voltage generated by the small wind driven generator is between 5 and 12V, the voltage is boosted through the boosting circuit in the automatic jump interlocking circuit, the battery can be normally charged after boosting, when the voltage generated by the small wind driven generator is between 20 and 35V, the voltage is reduced through the voltage reduction circuit in the automatic jump interlocking circuit, and the battery can be normally charged after reducing the voltage.
Drawings
Other objects and results of the present invention will become more apparent and more readily appreciated as the same becomes better understood by reference to the following description and appended claims, taken in conjunction with the accompanying drawings. In the drawings:
fig. 1 is a logic structure diagram of a small-sized wind power generation device for a user according to an embodiment of the present invention;
fig. 2 is a logic diagram of an auto skip interlock circuit according to an embodiment of the present invention;
fig. 3 is a circuit diagram of an automatic skip interlock circuit according to an embodiment of the present invention;
fig. 4 is a circuit configuration diagram of a charger according to an embodiment of the present invention;
fig. 5 is a circuit configuration diagram of an inverter according to an embodiment of the present invention.
Wherein the reference numerals include: the automatic skip interlocking circuit 1, the charger 2, the battery 3, the inverter 4, the small wind driven generator 5, the blade 51, the generator 52, the rotating shaft 53, the tail wing 54, the tower 55, the electric slip ring 6, the first alternating current relay K1, the step-up transformer T1, the first three-phase rectifier bridge B1, the first direct current relay K2, the second three-phase rectifier bridge B2, the 13V start-control circuit H, the second direct current relay K3, the third direct current relay K4, the third three-phase rectifier bridge B3, the 18V start-control circuit F, the second alternating current relay K5, the step-down transformer T2, the fourth three-phase rectifier bridge B4, the fourth direct current relay K6, the first common diode D1, the second common diode D2, the first voltage stabilizing diode D3, the first variable resistor R1, the first triode Q1, the third common diode D4, the fourth common diode D5, the second voltage stabilizing diode D6, the second variable resistor 67 2R 1, The LED driving circuit comprises a second triode Q2, a first LED indicator lamp L1, a second LED indicator lamp L2, a direct current anode A +, a direct current cathode A-, a storage battery anode B +, a storage battery cathode B-, a rectifier diode D7-D10, a current collector IRC, a third variable resistor R3, a constant resistor R4-R7, a first MOS tube M1, a second MOS tube M2, a third MOS tube M3 and a fourth MOS tube M4.
The same reference numbers in all figures indicate similar or corresponding features or functions.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Fig. 1 shows a logic structure of a small-sized wind power generation device for a user according to an embodiment of the present invention.
As shown in fig. 1, the embodiment of the present invention provides a small-sized wind power generator for household, including: the automatic skip interlocking circuit comprises an automatic skip interlocking circuit 1, a charger 2, a storage battery 3, an inverter 4 and a small wind driven generator 5; the small wind driven generator 5 comprises blades 51, a generator 52, a rotating shaft 53, an empennage 54 and a tower 55, wherein the generator 52 comprises a cabin, a coil and permanent magnet steel, the coil is fixed in the cabin, the rotating shaft 53 penetrates through the coil, the permanent magnet steel is fixed on the rotating shaft 5, when the rotating shaft 53 rotates, the permanent magnet steel cuts magnetic lines generated by the coil in a power-on mode to generate electricity, eight blades 51 are connected to the head end of the rotating shaft 53 and used for driving the rotating shaft 53 to rotate, the generator 52 can generate electricity under 2-3 levels of wind power by adding the blades 51, the empennage 54 is connected to the tail end of the rotating shaft 53 and consists of two iron plates and is used for adjusting the.
The input end of the automatic jump interlocking circuit 1 is coupled with A, B, C phase of three-phase alternating current generated by the small-sized wind driven generator through an electric slip ring 6, and the electric slip ring 6 is used for leading the alternating current generated by the generator 52 out of the cabin to prevent cables from being twisted together; the output end of the automatic skip interlocking circuit 1 is coupled with the input end of the charger 2, and the automatic skip interlocking circuit 1 is used for converting alternating current generated by the small wind driven generator 5 into direct current of 13-18V and then outputting the direct current to the charger 2; the output end of the charger 2 is coupled with the input end of the storage battery 3, and the charger 2 is used for converting the received 13-18V direct current into 12V and then charging the storage battery 3; the primary coil of the inverter 4 is coupled with the output end of the battery 3, the secondary coil of the inverter 4 is coupled with the household appliance, and the inverter 4 is used for converting the 12V direct current output by the battery 3 into 220V alternating current for the household appliance to use.
The automatic jump interlocking circuit 1 comprises an interlocking booster circuit, a boosting starting control circuit and a voltage reduction circuit, wherein the booster circuit, the boosting starting control circuit or the voltage reduction circuit are used for boosting, directly outputting or reducing voltage according to voltage generated by the small wind driven generator, so that the storage battery 3 is charged, and the purpose of selecting and outputting is to prevent the phenomenon of mixed surge.
When the voltage generated by the small wind driven generator is lower than the lowest charging voltage of 13V of the storage battery 3, the voltage is boosted to 13V-18V through the booster circuit so as to normally charge the storage battery 3, when the voltage generated by the small wind driven generator is lower than the charging voltage of the storage battery 3 and ranges from 13V to 18V, the boosting starting control circuit is conducted to normally charge the storage battery 3, and the boosting circuit is disconnected, when the voltage generated by the small wind driven generator is higher than the highest charging voltage of the battery 3 by 18V, the voltage reduction circuit is conducted to reduce the voltage to 13V-18V, the storage battery 3 is normally charged, and meanwhile, the boosting starting and controlling circuit is disconnected, so that the purpose of the automatic jump interlocking circuit is to keep the voltage generated by the small wind driven generator between 13V and 18V, continuously charge the storage battery, and avoid resource waste caused by the fact that the storage battery cannot be charged due to low voltage and is easily burnt due to high voltage.
Fig. 2 and fig. 3 respectively show specific circuits of the logic structure of the automatic skip interlock circuit according to the embodiment of the present invention.
As shown in fig. 2 and 3, the booster circuit includes a first ac relay K1, a booster transformer T1, a first three-phase rectifier bridge B1 and a first dc relay K2, the first ac relay K1 and the first dc relay K2 are all conversion type relays, three moving contacts of the first ac relay K1 are respectively coupled to A, B, C of three-phase alternating current generated by the small-sized wind power generator through an electrical slip ring, three stationary contacts of the first ac relay K1 are respectively coupled to two end taps and a center tap of a primary side of the booster transformer T1, two end taps and a center tap of a secondary side of the booster transformer T1 are respectively coupled to three input terminals of the first three-phase rectifier bridge B1, two output terminals of the first three-phase rectifier bridge B1 are coupled to two moving contacts of the first dc relay K2, two of four stationary contacts of the first dc relay K2 are connected as voltage output terminals to input terminals of the battery cell, the step-up transformer T1 is used for stepping up the voltage that small-size aerogenerator produced to the required voltage that the storage battery charges, and required voltage's range is 13V-18V, and the alternating current rectification after the boost passes through first three-phase rectifier bridge B1 rectification to the direct current, exports to the storage battery through first direct current relay K2.
The boost starting and controlling circuit comprises a second three-phase rectifier bridge B2, a 13V starting and controlling circuit H, a second direct current relay K3 and a third direct current relay K4, three input ends of the second three-phase rectifier bridge B2 are respectively coupled with A, B, C of three-phase alternating current generated by the small-sized wind driven generator through an electric slip ring, two output ends of the second three-phase rectifier bridge are respectively coupled with the input ends of the 13V starting and controlling circuit H, the output end of the 13V starting and controlling circuit H is coupled with two coils of the second direct current relay K3, two coils of the second direct current relay K3 are respectively coupled with two coils of the first alternating current relay K1 and two coils of the first direct current relay K2, two movable contacts of the second direct current relay K3 are respectively coupled with two output ends of the second three-phase rectifier bridge, two of four static contacts of the second direct current relay K3 are respectively coupled with two movable contacts of the third direct current relay K4, two of the four stationary contacts of the third direct current relay K4 are used as voltage output ends and connected with the input end of the battery jar.
The second three-phase rectifier bridge B2 is used for converting alternating current generated by the small wind driven generator into direct current, when the converted direct current is higher than 13V and lower than 18V voltage, the 13V starting and controlling circuit H is started, a coil of a first alternating current relay K1 and a coil of a first direct current relay K2 of the booster circuit are closed to enable a movable contact to be closed, the input end and the output end of the booster transformer T1 are isolated, namely the booster circuit is disconnected, the booster transformer T1 is prevented from continuously outputting voltage, and at the moment, the converted direct current outputs voltage through a second direct current relay K3 and a third direct current relay K4.
When the voltage generated by the small wind driven generator is between 13V and 18V, the voltage does not need to be boosted or reduced, the 13V starting and controlling circuit H is switched on after being started, the battery is directly charged, and when the voltage boosting starting and controlling circuit is switched on, the voltage boosting circuit is switched off by triggering the first alternating current relay K1 and the first direct current relay K2 of the voltage boosting circuit to prevent the two circuits from outputting and generating mixed surge at the same time, and only one voltage can be selected to be output.
The 13V start-control circuit H includes a first triode Q1, a first zener diode D3, a first common diode D1, a second common diode D2 and a first variable resistor R1, a first output terminal of a second three-phase rectifier bridge B2 is coupled to a coil of a second dc relay K3, a second output terminal of the second three-phase rectifier bridge B2 is coupled to an anode of the first common diode D1, a cathode of the first common diode D1 is coupled to a collector of the first triode Q1, a base of the first triode Q1 is coupled to a cathode of the first zener diode D3, an anode of the first zener diode D3 is coupled to a connection point of the first output terminal of the second three-phase rectifier bridge B2 and the coil of the second dc relay K3, an emitter of the first triode Q1 is coupled to a coil of the second dc relay K3, an anode of the second common diode D2 is coupled to a connection point of the first anode D3 of the first zener diode D3 and a coil of the second dc relay K3, the cathode of the second common diode D2 is coupled to a connection point between the emitter of the first transistor Q1 and the coil of the second dc relay K3, one end of the first variable resistor R1 is coupled to a connection point between the second output terminal of the second three-phase rectifier bridge B2 and the anode of the first common diode D1, and the other end of the first variable resistor R1 is coupled to a connection point between the base of the first transistor Q1 and the cathode of the first zener diode D3.
The first variable resistor R1 is used for providing bias voltage for the first triode Q1, so that the first triode Q1 is conducted when the voltage is higher than 13V, the first triode Q1 is used as a switch and is used for conducting the 13V starting control circuit H, and the first variable resistor R1 is also used for providing voltage for a coil of the first alternating current relay K1 and a coil of the first direct current relay K2 in the boosting circuit, so that the first alternating current relay K1 and a movable contact of the first direct current relay K2 are closed.
The step-down circuit comprises a third three-phase rectifier bridge B3, an 18V starting and controlling circuit F, a second alternating current relay K5, a step-down transformer T2, a fourth three-phase rectifier bridge B4 and a fourth direct current relay K6, three input ends of the third three-phase rectifier bridge B3 are respectively coupled with A, B, C of three-phase alternating current generated by the small-sized wind driven generator through an electric slip ring, two output ends of the third three-phase rectifier bridge B3 are coupled with input ends of the 18V starting and controlling circuit F, an output end of the 18V starting and controlling circuit F is coupled with two coils of the second alternating current relay K5, two coils of the second alternating current relay K5 are respectively further coupled with two coils of the third direct current relay K4 and two coils of the fourth direct current relay K6, three movable contacts of the second alternating current relay K5 are respectively coupled with A, B, C of the three-phase alternating current generated by the small-sized wind driven generator through the electric slip ring, three of six movable contacts of the second alternating current relay K5 are respectively coupled with a primary side of a step, the secondary side of the step-down transformer T2 is coupled with the input end of a fourth three-phase rectifier bridge B4, the output end of the fourth three-phase rectifier bridge B4 is coupled with two movable contacts of a fourth direct current relay K6, and two of four fixed contacts of the fourth direct current relay K6 are used as voltage output ends and connected with the input end of a storage battery.
The effect of third three-phase rectifier bridge B3 is with the alternating current conversion that small-size aerogenerator produced direct current, for the conduction of 18V start control circuit F provides direct current voltage, opens 18V start control circuit F only when direct current voltage is higher than 18V, is used for controlling the third direct current relay K4 closure of boost start control circuit after 18V start control circuit F opens, the open control circuit that steps up breaks off, controls second alternating current relay K5 and fourth direct current relay K6 closure simultaneously, switches on the step-down circuit.
The step-down transformer T2 is used for stepping down the ac power generated by the small wind turbine, and the fourth three-phase rectifier bridge B4 is used for converting the stepped-down ac power into dc power and outputting the dc power through the fourth dc relay K6.
After the 18V starting control circuit F is started, voltage is provided to coils of the second alternating current relay K5 and the fourth direct current relay K6, when the coils of the second alternating current relay K5 and the fourth direct current relay K6 are electrified, a movable contact of the second alternating current relay K5 and the fourth direct current relay K6 is closed, a voltage reduction circuit is conducted, the 18V starting control circuit F provides voltage to a coil of the first direct current relay K2 while the voltage reduction circuit is conducted, the movable contact of the first direct current relay K2 is closed after the coil of the first direct current relay K2 is electrified, the boosting starting control circuit is disconnected, and the boosting starting control circuit is prevented from continuously outputting voltage.
The 18V start-control circuit F includes a third normal diode D4, a fourth normal diode D5, a second zener diode D6, a second variable resistor R2, and a second transistor Q2, a first output terminal of the third three-phase rectifier bridge B3 is coupled to the coil of the second ac relay K5, a second output terminal of the third three-phase rectifier bridge B3 is coupled to the anode of the third normal diode D4, the cathode of the third normal diode D4 is coupled to the collector of the second transistor Q2, the base of the second transistor Q2 is coupled to the cathode of the second zener diode D6, the anode of the second zener diode D6 is coupled to the connection point of the first output terminal of the third three-phase rectifier bridge B3 and the coil of the second ac relay K5, the emitter of the second transistor Q2 is coupled to the coil of the second ac relay K5, the anode of the fourth normal diode D5 is coupled to the connection point of the anode of the second zener diode D6 and the coil 5 of the second ac relay K5, a cathode of the fourth common diode D5 is coupled to a connection point between an emitter of the second transistor Q2 and a coil of the second ac relay K5, one end of the second variable resistor R2 is coupled to a connection point between the second output terminal of the third three-phase rectifier bridge B3 and an anode of the third common diode D4, and the other end of the second variable resistor R2 is coupled to a connection point between a base of the second transistor Q2 and a cathode of the second zener diode D6.
The second variable resistor R2 provides bias voltage for the second triode Q2, so that the second triode Q2 is conducted when the voltage is higher than 18V, the second triode Q2 is used as a switch and is used for triggering the second alternating current relay K5 and the fourth direct current relay K6 to be closed, a voltage reduction circuit is conducted, meanwhile, voltage is provided for a coil of a third direct current relay K4 in the boosting starting and controlling circuit, a movable contact of the third direct current relay K4 is closed, and the boosting starting and controlling circuit is disconnected.
In summary, the boost circuit, the boost start-control circuit and the buck circuit form an interlock circuit, which can automatically jump to one output, when the voltage generated by the small wind driven generator is lower than 13V, the boost circuit is started to boost, when the voltage generated by the small wind driven generator is between 13V and 18V, the boost start-control circuit is started, the boost circuit is disconnected, when the voltage generated by the small wind driven generator is higher than 18V, the buck circuit is started to buck, and the boost start-control circuit is disconnected, that is, no matter how high the voltage of the alternating current generated by the small wind driven generator can be converted into the direct current of 13-18V through the automatic jump interlock circuit, the storage battery is continuously charged, and the resource waste caused by the fact that the storage battery cannot be charged due to low voltage and is easily burnt due to high voltage is avoided.
Fig. 4 shows a circuit of a charger according to an embodiment of the present invention.
As shown in fig. 4, the current collector IRC is a 12V current collector, which is used for collecting the electric quantity after ac-dc conversion by the auto-skip interlock circuit and charging the battery, the first LED indicator L1 and the second LED indicator L2 are charging indicators, the first LED indicator L1 lights up when the current collector IRC is charged, the first LED indicator L1 lights up when the current collector IRC is saturated, the second LED indicator L2 lights up, the positive electrode after ac-dc conversion by the auto-skip interlock circuit is connected to a +, the negative electrode after ac-dc conversion by the auto-skip interlock circuit is connected to a-, B + is connected to the positive electrode of the battery, the negative electrode of the battery is connected to the negative electrode of the battery, the maximum resistance value of the third variable resistor R3 is 20 kilo ohms, the resistance values of the constant value resistors R4-R7 are respectively 10 kilo ohms, 4.7 kilo ohms, 10 kilo ohms and 100 ohms, and the rectifier diodes D7-D10 play a role in rectification.
Fig. 5 shows a circuit of an inverter according to an embodiment of the present invention.
As shown in fig. 5, the inverter includes four MOS transistors and a transformer, the four MOS transistors are of P5N75 type, and are respectively a first MOS transistor M1, a second MOS transistor M2, a third MOS transistor M3, and a fourth MOS transistor M4,
a resistor is respectively coupled between the drain and the source of the first MOS transistor M1, between the drain and the source of the second MOS transistor M2, between the drain and the source of the third MOS transistor M3 and between the drain and the source of the fourth MOS transistor M4, the sources of the first MOS transistor M1, the second MOS transistor M2, the third MOS transistor M3 and the fourth MOS transistor M4 are respectively coupled to the negative electrode of the battery, the drain of the first MOS transistor M1 is coupled in series with the resistor to the gate of the second MOS transistor M2, the drain of the second MOS transistor M2 is coupled in series with the resistor to the gate of the first MOS transistor M1, the drain of the third MOS transistor M3 is coupled in series with the resistor to the gate of the fourth MOS transistor M4, the drain of the fourth MOS transistor M4 is coupled in series with the resistor to the gate of the third MOS transistor M3, the gate of the first MOS transistor M1 and the gate of the first terminal of the third MOS transistor M3 are coupled to the primary side of the first MOS transistor M2, and the gate of the fourth terminal of the first MOS transistor M4 are coupled to the primary side of the primary side transformer respectively, the positive pole of the storage battery is coupled with a middle tap of the primary side of the transformer, and the secondary side of the transformer outputs 220V alternating current.
The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (3)
1. A household small wind power generation device comprises a small wind power generator, wherein the small wind power generator comprises a generator, a tower, an empennage and a rotating shaft, the tower is supported at the bottom of the generator, the rotating shaft penetrates through the generator, and the tail end of the rotating shaft is connected with the empennage; the household small-sized wind power generation device also comprises an automatic jump interlocking circuit, a charger, a storage battery and an inverter; wherein the content of the first and second substances,
the input end of the automatic skip interlocking circuit is coupled with A, B, C phase of three-phase alternating current generated by a small wind driven generator through an electric slip ring, the output end of the automatic skip interlocking circuit is coupled with the input end of the charger, and the automatic skip interlocking circuit is used for converting the alternating current generated by the small wind driven generator into direct current of 13-18V and outputting the direct current to the charger;
the output end of the charger is coupled with the input end of the storage battery, and the charger is used for converting the received 13-18V direct current into 12V and then charging the storage battery;
the primary coil of the inverter is coupled with the output end of the storage battery, the secondary coil of the inverter is coupled with the household appliance, and the inverter is used for converting 12V direct current output by the storage battery into 220V alternating current and then supplying the alternating current to the household appliance.
2. The household small-sized wind power generation apparatus according to claim 1, comprising: the automatic skip interlocking circuit comprises an interlocking booster circuit, a boosting start-control circuit and a voltage reduction circuit; wherein the content of the first and second substances,
the booster circuit comprises a first alternating current relay, a booster transformer, a first three-phase rectifier bridge and a first direct current relay, wherein the first alternating current relay and the first direct current relay are both of a conversion type, three movable contacts of the first alternating current relay are respectively coupled with A, B, C of three-phase alternating current generated by a small wind driven generator through the electric slip ring, three static contacts of the first alternating current relay are respectively coupled with a primary side of the booster transformer, a secondary side of the booster transformer is coupled with an input end of the first three-phase rectifier bridge, an output end of the first three-phase rectifier bridge is coupled with two movable contacts of the first direct current relay, and the two static contacts of the first direct current relay are used as voltage output ends to be connected with an input end of a storage battery;
the boost starting and controlling circuit comprises a second three-phase rectifier bridge, a 13V starting and controlling circuit, a second direct current relay and a third direct current relay, wherein the input end of the second three-phase rectifier bridge is respectively coupled with A, B, C of three-phase alternating current generated by the small wind driven generator through the electric slip ring, the output end of the second three-phase rectifier bridge is coupled with the input end of the 13V starting and controlling circuit, the output end of the 13V starting and controlling circuit is coupled with a coil of the second direct current relay, a coil of the second direct current relay is respectively coupled with a coil of the first alternating current relay and a coil of the first direct current relay, two movable contacts of the second direct current relay are coupled with the output end of the second three-phase rectifier bridge, and two static contacts of the second direct current relay are respectively coupled with two movable contacts of the third direct current relay, two static contacts of the third direct current relay are used as voltage output ends and connected with the input end of the storage battery;
the voltage reduction circuit comprises a third three-phase rectifier bridge, an 18V starting control circuit, a second alternating current relay, a step-down transformer, a fourth three-phase rectifier bridge and a fourth direct current relay, wherein the input end of the third three-phase rectifier bridge is respectively coupled with A, B, C of three-phase alternating current generated by the small wind driven generator through the electric slip ring, the output end of the third three-phase rectifier bridge is coupled with the input end of the 18V starting control circuit, the output end of the 18V starting control circuit is coupled with a coil of the second alternating current relay, the coil of the second alternating current relay is respectively coupled with a coil of the third direct current relay and a coil of the fourth direct current relay, three movable contacts of the second alternating current relay are respectively coupled with A, B, C of the three-phase alternating current generated by the electric slip ring, and three static contacts of the second alternating current relay are coupled with the primary side of the step-down transformer, the secondary side of the step-down transformer is coupled with the input end of the fourth three-phase rectifier bridge, the output end of the fourth three-phase rectifier bridge is coupled with the two moving contacts of the fourth direct current relay, and the two static contacts of the fourth direct current relay are used as voltage output ends and connected with the input end of a storage battery.
3. The household small-sized wind power generation apparatus according to claim 2, wherein the 13V start-up circuit and the 18V start-up circuit respectively comprise a triode, a zener diode, a first normal diode, a second normal diode and a variable resistor, in the 13V start-up circuit, a first output terminal of the second three-phase rectifier bridge is coupled to the coil of the second DC relay, a second output terminal of the second three-phase rectifier bridge is coupled to an anode of the first normal diode, a cathode of the first normal diode is coupled to a collector of the triode, a base of the triode is coupled to a cathode of the zener diode, an anode of the zener diode is coupled to a connection point of the first output terminal of the second three-phase rectifier bridge and the coil of the second DC relay, and an emitter of the triode is coupled to the coil of the second DC relay, the anode of the second common diode is coupled to the connection point of the anode of the voltage stabilizing diode and the coil of the second direct current relay, the cathode of the second common diode is coupled to the connection point of the emitter of the triode and the coil of the second direct current relay, one end of the variable resistor is coupled to the connection point of the second output end of the second three-phase rectifier bridge and the anode of the first common diode, and the other end of the variable resistor is coupled to the connection point of the base of the triode and the cathode of the voltage stabilizing diode; in the 18V start-control circuit, a first output terminal of the third three-phase rectifier bridge is coupled to the coil of the second ac relay, a second output terminal of the third three-phase rectifier bridge is coupled to an anode of a first common diode, a cathode of the first common diode is coupled to a collector of a transistor, a base of the transistor is coupled to a cathode of a zener diode, an anode of the zener diode is coupled to a connection point of the first output terminal of the third three-phase rectifier bridge and the coil of the second ac relay, an emitter of the transistor is coupled to the coil of the second ac relay, an anode of the second common diode is coupled to a connection point of the anode of the zener diode and the coil of the second ac relay, a cathode of the second common diode is coupled to a connection point of the emitter of the transistor and the coil of the second ac relay, and one end of a variable resistor is coupled to the second output terminal of the third three-phase rectifier bridge and the anode of the first common diode The other end of the variable resistor is coupled to a connection point of the base of the triode and the cathode of the zener diode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920585608.3U CN210265024U (en) | 2019-04-26 | 2019-04-26 | Household small-sized wind power generation device |
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| CN201920585608.3U CN210265024U (en) | 2019-04-26 | 2019-04-26 | Household small-sized wind power generation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111864874A (en) * | 2020-06-10 | 2020-10-30 | 长春市鲲鹏节能环保科技有限公司 | Small-size wind power generation clean heating integrated equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111864874A (en) * | 2020-06-10 | 2020-10-30 | 长春市鲲鹏节能环保科技有限公司 | Small-size wind power generation clean heating integrated equipment |
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