CN113054730B - Power frequency wind power generation energy storage inverter circuit - Google Patents
Power frequency wind power generation energy storage inverter circuit Download PDFInfo
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- CN113054730B CN113054730B CN202110324467.1A CN202110324467A CN113054730B CN 113054730 B CN113054730 B CN 113054730B CN 202110324467 A CN202110324467 A CN 202110324467A CN 113054730 B CN113054730 B CN 113054730B
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- 238000010248 power generation Methods 0.000 title claims abstract description 35
- 238000004146 energy storage Methods 0.000 title claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 28
- 239000003990 capacitor Substances 0.000 claims description 23
- 230000000087 stabilizing effect Effects 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 230000002457 bidirectional effect Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00304—Overcurrent protection
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00308—Overvoltage protection
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
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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
Abstract
The invention discloses a power frequency wind power generation energy storage inverter circuit which comprises a voltage detection circuit, a current detection circuit, a charging circuit, a power generation circuit, a control circuit, an inverter circuit, an LED display circuit, an alarm circuit and an output circuit, wherein the power generation circuit transmits electric energy to the charging circuit, the current detection circuit and the voltage detection circuit are responsible for collecting the current and the voltage of the charging circuit, the control circuit bidirectionally provides signals for the charging circuit, the charging circuit provides electric energy for the inverter circuit, the inverter circuit provides voltages for the LED display circuit, the alarm circuit and the output circuit, and the charging circuit comprises a BUCK step-down circuit, an auxiliary power supply circuit, a driving circuit and a control circuit; the circuit can be used in areas with abundant wind power resources, can generate stable and clean power frequency alternating current, can relieve the problem of future power shortage, and has good application prospect and market effect.
Description
Technical Field
The invention relates to the field of new energy, in particular to a power frequency wind power generation energy storage inverter circuit.
Background
More than seventy percent of the electric quantity in China is the thermal power, wherein ninety percent of the thermal power is power coal for power generation, but the high-speed economic development of China is far away from the economic development requirement, particularly, the frequency of 5G signals is far beyond 4G along with the popularization of 5G technology, the transmission range of the 5G signals is far lower than the transmission range of 4G, the number of base stations required to be established is far higher than the number of base stations for 4G communication, and along with the popularization of the 5G technology in various fields, china has larger power gaps, and a new power generation mode is bound to be developed in great in order to ease the crisis of future power energy.
In the traditional wind power generation, due to the instability of wind power, the directly generated voltage is unstable and cannot be directly utilized, and the normal use can be realized only by further voltage stabilization, energy storage and conversion.
Disclosure of Invention
In order to solve the problem of traditional wind power generation, the invention provides a power frequency wind power generation energy storage inverter circuit. The circuit can convert unstable wind energy into stable and controllable alternating current for loads in areas with more wind energy, and can apply for being integrated into a power grid to provide clean and stable electric energy for other users if the electric quantity remains.
The invention adopts the following technical scheme that the power frequency wind power generation energy storage inverter circuit comprises a voltage detection circuit, a current detection circuit, a charging circuit, a power generation circuit, a control circuit, an inverter circuit, an LED display circuit, an alarm circuit and an output circuit, wherein the power generation circuit transmits electric energy to the charging circuit, the current detection circuit and the voltage detection circuit are responsible for collecting the current and the voltage of the charging circuit, the control circuit bidirectionally provides signals for the charging circuit, the charging circuit provides electric energy for the inverter circuit, the inverter circuit provides voltages for the LED display circuit, the alarm circuit and the output circuit, and the charging circuit comprises a BUCK voltage reduction circuit, an auxiliary power supply circuit, a driving circuit and a control circuit.
The power generation circuit is composed of a motor, a rectifier bridge and a filtering voltage stabilizing circuit, current generated by a generator P5, the voltage stabilizing diodes VD1, VD6, VD7, VD8, VD9 and VD10 form the rectifier bridge, and the transistors Q23, Q24, Q25, Q26, Q27 and Q28, the resistors R70, R71, R72, R73, R74, the voltage stabilizing tube VS and the diodes VD11 and D21 form an automatic voltage stabilizing circuit.
The voltage detection circuit detects the voltage output from the power generation circuit, the voltage is acquired through a resistor Ra and a resistor Rb1, the acquired voltage signal is amplified by a four-way operational amplifier and output to the control circuit, the model of the four-way operational amplifier is LM248DR, the current detection circuit acquires the current from the power generation circuit, the IPO port is a current detection port, the detected current is input to an I/O port of the controller circuit for A/D conversion, the model of a chip adopted by the current detection circuit is ACS712/20A, the driving circuit outputs PWM signals through the I/O port, the MOS tube is controlled to be on/off, the driving chip type adopted by the driving circuit is IR2104, the BUCK circuit consists of a capacitor C1, a MOSFET tube, a diode VD2, a 0.1mH inductor L1 and a capacitor C2, the input voltage is reduced, filtered and the storage battery P2 is charged, the auxiliary power supply circuit is connected with the BUCK circuit and is divided into a 5V auxiliary power supply circuit and a 12V auxiliary power supply circuit, 12V voltage and 5V voltage are provided for the circuit, the power chip type adopted by the 5V auxiliary power supply circuit is LM2596/5V, and the power chip type adopted by the 12V auxiliary power supply circuit is LM2596/12V.
The inverter circuit comprises a pulse width modulation circuit, a controller circuit, a booster circuit, a rectifying circuit and an H bridge circuit, wherein the controller circuit is composed of a control chip U5 and a peripheral circuit, the model of the control chip U5 is TL494, the booster circuit comprises a storage battery P4 and 4 paths of voltage device circuits, the booster circuit outputs PWM signals through a PWM module to accurately control boosting so as to obtain boosted signals, the specific connection method uses a T1 voltage device circuit as an example, a 1 pin of the storage battery P4 is grounded, a first lead of a 2 pin is grounded through an inductor L4 to VCC voltage, a second lead is grounded through parallel polar capacitors C14, C15, C16 and C20, a third lead is connected with a common contact of a transformer T1, a 10 pin of the control chip U5 is connected with a base electrode of a triode Q21, a base electrode and a collector electrode of the triode Q21 are indirectly connected with a diode D14, a resistor R52 of the base electrode and an emitter electrode indirectly 1K, the emitter is also grounded, the collector is also connected with the grid electrode of a MOS tube Q5 through a resistor R4 of 10R, the source electrode of the MOS tube Q5 is grounded, the drain electrode is connected with the 4-5 ramp of a transformer T1, the 9 pin of the control chip U5 is connected with the base electrode of a triode Q21, the base electrode of the triode Q22 and a collector electrode indirect diode D18, the resistor R69 of the base electrode and the emitter electrode indirect 1K are grounded, the collector electrode is also connected with the grid electrode of a MOS tube Q8 through a resistor R12 of 10R, the source electrode of the MOS tube Q8 is grounded, the drain electrode is connected with the 1-2 ramp of a transformer T1, a capacitor C11 and a resistor R3 are also connected in series between the MOS tubes Q5 and Q8, the transformers T1, T3 and T4 are connected in series, the rectifying circuit is composed of 8 identical rectifying diodes for rectifying current from the transformer, the model of the rectifying diode is HER505, the rectifying circuit is controlled through the 4 pin of the control chip U5, the control chip U5 is characterized in that a polar capacitor C34 and a resistor R65 are further arranged at the 4 pin of the control chip U5 in parallel, the 13 pin and the 14 pin of the control chip U5 are connected with 5V voltage, a decoupling polar capacitor C28, the 11 pin and the 8 pin are connected with VCC voltage, the 6 pin is grounded through a resistor R61, the 5 pin is grounded through a capacitor C31, the H bridge circuit comprises four triodes Q1, Q3, Q9 and Q10, a MOS tube supplies maximum current to a load, the H bridge circuit inverts direct current into power frequency alternating current, the pulse width modulation circuit is composed of a modulation chip U4 and a peripheral circuit and is responsible for modulating a rear end signal of the H bridge circuit, the type of the modulation chip U4 is SG3524, a first lead of the 1 pin of the modulation chip U4 is connected with 300V voltage through a 750K resistor R49, a second lead is grounded through a 10K resistor R56, a first lead of the 2 pin is connected with 5.0V voltage through a resistor R41, and a second lead is grounded through a resistor R57, and the 4, the pins 6, and the H bridge circuit is connected with the rear end of the modulation chip 11.
The LED display circuit consists of a normally-on LED circuit and an alarm LED circuit, the alarm circuit consists of four power amplifiers with model LM324M (14) and is controlled by a control chip U5, the alarm circuit collects the current and voltage of the H bridge circuit in real time, and gives out alarm sounds when overcurrent and overvoltage occur, and meanwhile, the LED lamp of the alarm LED circuit is lightened.
The output circuit is connected to the rear end of the H bridge circuit, and the I/O port of the control chip U5 controls the on-off of the optocoupler, so as to control the on/off of the relay and control the heater L5.
Further, the output circuit is connected to the rear end of the H-bridge circuit, and the I/O port of the control chip U5 controls the on/off of the optocoupler, so as to control the on/off of the relay, and the heater L5 may be replaced by any load circuit.
The beneficial effects are that:
the invention adopts the storage battery to store the electric energy, so that the voltage and the current output to the load are more stable; the invention can detect the states of the circuit and the voltage in real time, and can alarm and protect in time when the circuit is over-voltage and over-current; the charging circuit and the frequency modulation circuit can accurately control signals, and have better system stability and control force.
Drawings
FIG. 1 is a power generation circuit;
FIG. 2 is a charging circuit;
FIG. 3 is a boost circuit, rectifier circuit, controller circuit;
FIG. 4 is an H-bridge circuit, pulse width modulation circuit, LED display circuit, alarm circuit;
FIG. 5 is an output circuit;
fig. 6 is a circuit configuration diagram.
Detailed Description
In order that the invention may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings. The preferred embodiments of the present invention are illustrated in the drawings, but the present invention can be embodied in many different forms and is not limited to the embodiments described in the present specification. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Working principle:
the circuit converts mechanical energy into electric energy through the generator and stores the electric energy into the storage battery, the storage battery converts direct current into power frequency alternating current through the inverter circuit for load use, unstable wind energy can be converted into stable and controllable alternating current for load use by utilizing the circuit characteristic in areas with more wind energy, and if the electric energy is remained, the storage battery can also apply for being combined with a power grid to provide clean and stable electric energy for other users.
Embodiments are described below:
the power frequency wind power generation energy storage inverter circuit comprises a voltage detection circuit, a current detection circuit, a charging circuit, a power generation circuit, a control circuit, an inverter circuit, an LED display circuit, an alarm circuit and an output circuit, wherein the power generation circuit transmits electric energy to the charging circuit, the current detection circuit and the voltage detection circuit are responsible for collecting the current and the voltage of the charging circuit, the control circuit bidirectionally provides signals for the charging circuit, the charging circuit provides electric energy for the inverter circuit, the inverter circuit provides voltage for the LED display circuit, the alarm circuit and the output circuit, and the charging circuit comprises a BUCK step-down circuit, an auxiliary power supply circuit, a driving circuit and a control circuit.
As shown in fig. 1, the power generation circuit is composed of a motor, a rectifier bridge and a filtering voltage stabilizing circuit, the current generated by the generator P5, the voltage stabilizing diodes VD1, VD6, VD7, VD8, VD9 and VD10 form the rectifier bridge, and the transistors Q23, Q24, Q25, Q26, Q27, Q28, the resistors R70, R71, R72, R73, R74, the voltage stabilizing tube VS, the diodes VD11 and D21 form the automatic voltage stabilizing circuit.
As shown in fig. 2, the voltage detection circuit detects the voltage output from the power generation circuit, the voltage is collected through a resistor Ra and a resistor Rb1, the collected voltage signal is amplified and output to the control circuit through a four-way operational amplifier, the model of the four-way operational amplifier is LM248DR, the current detection circuit collects the current from the power generation circuit, the IPO port is a current detection port, the detected current is input to the I/O port of the controller circuit for a/D conversion, the chip model adopted by the current detection circuit is ACS712/20A, the driving circuit outputs a PWM signal through the I/O port by the control circuit, the MOS transistor is controlled to be on/off, the driving chip model adopted by the driving circuit is IR2104, the BUCK circuit is composed of a capacitor C1, a MOSFET transistor, a diode VD2, a 0.1mH inductor L1 and a capacitor C2, the input voltage is reduced, filtered and charged for the storage battery P2, the auxiliary power circuit is connected with the BUCK circuit and divided into a 5V auxiliary power circuit and a 12V auxiliary power circuit, the auxiliary power circuit is provided with the auxiliary power supply model of LM 5V 12 and the auxiliary power supply model of the auxiliary power circuit is LM 25V 96/V12.
As shown in fig. 3 and 4, the inverter circuit includes a pulse width modulation circuit, a controller circuit, a boost circuit, a rectifying circuit and an H-bridge circuit, the controller circuit is composed of a control chip U5 and a peripheral circuit, the model of the control chip U5 is TL494, the boost circuit includes a storage battery P4 and 4-way voltage device circuits, the boost circuit outputs PWM signals through a PWM module by the controller circuit to precisely control the boost to obtain boost signals, the specific connection method uses a T1 voltage device circuit as an example, a 1 pin of the storage battery P4 is grounded, a first lead of a 2 pin is grounded through an inductor L4 to VCC voltage, a second lead is grounded through parallel polar capacitors C14, C15, C16, C20, a third lead is connected to a common contact of a transformer T1, a 10 pin of the control chip U5 is connected to a base of a triode Q21, a base of the triode Q21 and a collector indirect diode D14, the base and the emitter are connected with a resistor R52 of 1K indirectly, the emitter is also grounded, the collector is also connected with the grid electrode of a MOS tube Q5 through a resistor R4 of 10R, the source electrode of the MOS tube Q5 is grounded, the drain electrode is connected with 4-5 ramps of a transformer T1, the 9 pin of the control chip U5 is connected with the base electrode of a triode Q21, the base electrode of the triode Q22 is connected with a collector indirect diode D18, the base electrode is also grounded with a resistor R69 of 1K indirectly, the collector is also connected with the grid electrode of a MOS tube Q8 through a resistor R12 of 10R, the source electrode of the MOS tube Q8 is grounded, the drain electrode is connected with 1-2 ramps of a transformer T1, a capacitor C11 and a resistor R3 are also connected in series between the MOS tubes Q5 and Q8, the transformers T1, T2, T3 and T4 are connected in series, the rectifying circuit is composed of 8 identical rectifying diodes, the current from the transformer is HER505, the rectifying circuit is controlled through 4 pins of a control chip U5, a polarity capacitor C34 and a resistor R65 which are connected in parallel are further arranged at the 4 pins of the control chip U5, 13 pins and 14 pins of the control chip U5 are connected with 5V voltage, decoupling polarity capacitors C28,11 and 8 pins are connected with VCC voltage, 6 pins are grounded through a resistor R61, 5 pins are grounded through a capacitor C31, the H bridge circuit comprises four triodes Q1, Q3, Q9 and Q10, MOS tubes provide maximum current for loads, the H bridge circuit inverts direct current into power frequency alternating current, the pulse width modulation circuit is composed of a modulation chip U4 and peripheral circuits and is responsible for modulating rear-end signals of the H bridge circuit, the model of the modulation chip U4 is SG3524, a first lead of the 1 pin of the modulation chip U4 is connected with 300V voltage through a 750K resistor R49, a second lead is grounded through a 10K resistor R56, a first lead of the 2 pin is connected with 5.0V voltage through a resistor R41, and a second lead is grounded through a resistor R57, and the 7, and the H bridge pins of the H bridge circuit are connected with the 7, and the H bridge circuit is connected with the 7 pins and the H bridge circuit is grounded.
As shown in fig. 4, the LED display circuit is composed of a normally-on LED circuit and a warning LED circuit, the warning circuit is composed of four power amplifiers with model LM324M (14), and is controlled by the control chip U5, and the warning circuit collects the current and voltage of the H-bridge circuit in real time, and sends out warning sounds when overcurrent and overvoltage occur, and meanwhile, the LED lamp of the warning LED circuit is turned on.
As shown in fig. 5, the output circuit is connected to the rear end of the H-bridge circuit, and the I/O port of the control chip U5 controls the on/off of the optocoupler, thereby controlling the on/off of the relay, and controlling the heater L5.
Claims (5)
1. The utility model provides a power frequency wind power generation energy storage inverter circuit, which is characterized in that the power frequency wind power generation energy storage inverter circuit comprises a voltage detection circuit, a current detection circuit, a charging circuit, a power generation circuit, a control circuit, an inverter circuit, an LED display circuit, an alarm circuit and an output circuit, wherein the power generation circuit transmits electric energy to the charging circuit, the current detection circuit and the voltage detection circuit are responsible for collecting the current and the voltage of the charging circuit, the control circuit provides signals for the charging circuit in a bidirectional way, the charging circuit provides electric energy for the inverter circuit, the inverter circuit provides voltage for the LED display circuit, the alarm circuit and the output circuit, the charging circuit comprises a BUCK step-down circuit, an auxiliary power supply circuit, a driving circuit and a control circuit, the inverter circuit comprises a pulse width modulation circuit, a controller circuit, a step-up circuit, a rectifying circuit and an H bridge circuit, the controller circuit is composed of a control chip U5 and a peripheral circuit, the model of the control chip U5 is TL494, the booster circuit comprises storage batteries P4, T1, T2, T3 and T4 four-way voltage device circuits, the booster circuit outputs PWM signals through a PWM module to accurately control boosting, a boosting signal is obtained, in the T1 voltage device circuit, a 1 pin of the storage battery P4 is grounded, a first lead of a 2 pin is grounded through an inductor L4 to VCC voltage, a second lead of the 2 pin of the storage battery P4 is grounded through parallel polar capacitors C14, C15, C16 and C20, a third lead of the 2 pin of the storage battery P4 is connected with a second pin and a fourth pin of a transformer T1, a 10 pin of the control chip U5 is connected with a base electrode of a triode Q21, a base electrode and a collector indirect diode D14 of the triode Q21, a base electrode and an emitter indirect resistor R52 of the triode Q21K, the emitter of the triode Q21 is also grounded, the collector of the triode Q21 is also connected with the grid electrode of a MOS tube Q5 through a resistor R4 of 10R, the source electrode of the MOS tube Q5 is grounded, the drain electrode is connected with the fourth pin and the fifth pin of a transformer T1, the 9 pin of the control chip U5 is connected with the base electrode of the triode Q21, the base electrode of the triode Q22 and a collector indirect diode D18, the base electrode of the triode Q22 and a resistor R69 of an emitter indirect 1K are connected with each other, the emitter of the triode Q22 is also grounded, the collector of the triode Q22 is also connected with the grid electrode of the MOS tube Q8 through a resistor R12 of 10R, the source electrode of the MOS tube Q8 is grounded, the drain electrode of the MOS tube Q5 is connected with the drain electrode of the MOS tube Q8 after passing through a capacitor C11 and a resistor R3 in sequence, the primary sides of the transformers T1, T2, T3 and T4 are connected in series in sequence, the rectifying circuit is composed of eight rectifying diodes D5, D8, D9, D10, D11, D12, D13 and D15, the model of the rectifying diode is HER505, the rectifying circuit is controlled by 4 pins of a control chip U5, a polarity capacitor C34 and a resistor R65 which are connected in parallel are also arranged at the 4 pins of the control chip U5, 13 and 14 pins of the control chip U5 are connected with 5V voltage, a decoupling polarity capacitor C28 is arranged at the voltage, 11 and 8 pins of the control chip U5 are connected with VCC voltage, 6 pins are grounded through a resistor R61, 5 pins are grounded through a capacitor C31, the H bridge circuit comprises four triodes Q1, Q3, Q9 and Q10, collectors of the triodes Q1, Q3, Q9 and Q10 are respectively connected with grids of MOS transistors Q2 and Q6, Q4 and Q7, Q12 and Q15, Q13 and Q16, the H bridge circuit inverts direct current into power frequency alternating current, the pulse width modulation circuit consists of a modulation chip U4 and peripheral circuits, the rear end signal of the H bridge circuit is modulated, the model of the modulation chip U4 is SG3524, the first lead of the 1 pin of the modulation chip U4 is connected with 300V voltage through a 750K resistor R49, the second lead of the 1 pin of the modulation chip U4 is grounded through a 10K resistor R56, the first lead of the 2 pin of the modulation chip U4 is connected with 5.0V voltage through a resistor R41, the second lead of the 2 pin of the modulation chip U4 is grounded through a resistor R57, the 4, 5, 6, 7 and 8 pins of the modulation chip U4 are grounded, and the 11 pin of the modulation chip U4 modulates the rear end of the H bridge circuit.
2. The power frequency wind power generation energy storage inverter circuit according to claim 1, wherein the power generation circuit is composed of a generator P5, a rectifier bridge and a filtering voltage stabilizing circuit, pins 3, 2 and 1 of the generator P5 are respectively connected with anodes of voltage stabilizing diodes VD1, VD6 and VD7 and cathodes of VD8, VD9 and VD10 to form the rectifier bridge, collectors of transistors Q23, Q25 and Q26 are connected with an upper end of the rectifier bridge, an upper end of the rectifier bridge is connected with a lower end of the rectifier bridge through a capacitor C35, a resistor R71, a voltage stabilizing tube VS, a resistor R73, a diode D21, a diode VD11, a resistor R72, a resistor R74, a capacitor C36 and the rectifier bridge, collectors of the transistor Q27 are respectively connected with bases of a collector and a base of a transistor Q24, emitters of the transistor Q24 are connected with an upper end of the rectifier bridge through a resistor R70 and an emitter of the transistor Q27 and an emitter of the transistor Q28, and collectors of the transistor Q28 are connected with a lower end of the rectifier bridge.
3. The power frequency wind power generation energy storage inverter circuit according to claim 2, wherein the voltage detection circuit detects the voltage output from the power generation circuit, voltage is collected through a resistor Ra and a resistor Rb1, the collected voltage signal is amplified by a four-way operational amplifier and output to the control circuit, the model of the four-way operational amplifier is LM248DR, the current detection circuit collects the current from the power generation circuit, the model of the current detection circuit is ACS712/20A, the IPO port is a current detection port, the detected current is input to the I/O port of the controller circuit for A/D conversion, the HO end of the driving chip IR2104 of the driving circuit is connected with the grid electrode of the MOSFET, the output PWM signal carries out on/off control on the MOSFET, the BUCK step-down circuit is composed of a capacitor C1, the MOSFET, a diode VD2, a 0.1mH inductor L1 and a capacitor C2, the input voltage is stepped down, filtered and a storage battery P2 is charged, the input end of the auxiliary power supply circuit is connected with one end of the L1 in the BUCK step-down circuit, the auxiliary power supply circuit is divided into a 5V auxiliary power supply circuit and a 12V auxiliary power supply circuit, 12V voltage and 5V voltage are provided for the circuit, the type of a power chip adopted by the 5V auxiliary power supply circuit is LM2596/5V, and the type of a power chip adopted by the 12V auxiliary power supply circuit is LM2596/12V.
4. The power frequency wind power generation energy storage inverter circuit according to claim 1, wherein the LED display circuit is composed of a normally-on LED circuit and an alarm LED circuit, the alarm circuit is composed of four power amplifiers with model LM324M and is controlled by a control chip U5, the alarm circuit collects current and voltage of an H bridge circuit in real time, and gives out alarm sounds when overcurrent and overvoltage occur, and meanwhile, the LED lamp of the alarm LED circuit is lightened.
5. The power frequency wind power generation energy storage inverter circuit according to claim 4, wherein the output circuit is connected to the rear end of the H-bridge circuit, and the output circuit controls on/off of an optocoupler through an I/O port of the control chip U5, thereby controlling on/off of a relay and controlling the heater L5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110324467.1A CN113054730B (en) | 2021-03-26 | 2021-03-26 | Power frequency wind power generation energy storage inverter circuit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110324467.1A CN113054730B (en) | 2021-03-26 | 2021-03-26 | Power frequency wind power generation energy storage inverter circuit |
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| CN113054730A CN113054730A (en) | 2021-06-29 |
| CN113054730B true CN113054730B (en) | 2024-03-26 |
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| CN113985311A (en) * | 2021-10-22 | 2022-01-28 | 深圳市中孚能电气设备有限公司 | Miner lamp aging test device, terminal and system |
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| CN113054730A (en) | 2021-06-29 |
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