CN202488202U - Solar inversion power supply - Google Patents
Solar inversion power supply Download PDFInfo
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- CN202488202U CN202488202U CN2012201333484U CN201220133348U CN202488202U CN 202488202 U CN202488202 U CN 202488202U CN 2012201333484 U CN2012201333484 U CN 2012201333484U CN 201220133348 U CN201220133348 U CN 201220133348U CN 202488202 U CN202488202 U CN 202488202U
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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
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Abstract
The utility model relates to a solar inversion power supply which is characterized in that a solar photovoltaic cell and a mains supplement unit are respectively connected to an intelligent charge and discharge control unit; the intelligent charge and discharge control unit is connected to a lead-acid cell, and the lead-acid cell is connected to the inversion power supply; and the mains supplement unit comprises a first unit, a second unit, a third unit and a fourth unit, wherein the first unit, the second unit and the fourth unit are connected to the intelligent charge and discharge control unit through a transformer, and the third unit is directly connected to the intelligent charge and discharge control unit via mains supply. The solar inversion power supply provided by the utility model is energy-saving and environment-friendly due to the use of solar power as the power supply. The inversion power supply reaches the international advanced level, with a photoelectric conversion rate up to 15%, and the efficiency of the inverter is over 90%. The solar inversion power supply provided by the utility model has standard waveform, small harmonic component and degree of distortion of only lower than 1%, with excellent anti-overload capacity and short-circuit protection capability, and is a highly efficient inversion power supply with a high index of energy conservation and environment protection.
Description
Technical field
The utility model relates to a kind of inverter.It is high particularly to relate to a kind of photoelectricity rate of rotation, the solar energy inverter of the high efficiency of inverter.
Background technology
Solar energy (solar Energy) refers generally to the emittance of sunlight; Solar energy power generating can provide various perfect power conversions and access scheme for various systems; Be mainly used in the regenerative resource grid-connected system, leave net type village electric power system and outdoor power supply; And can be the area communication that electrical network extends difficulty, and traffic street lighting etc. provides electric power, and solar energy has application prospects at the renewable energy source domain.As solar energy is used for inverter.
The conventional inversion power supply all is to adopt powered battery at present, and used battery needs charging again, so promptly waste energy, makes cost high again.
Summary of the invention
The utility model technical problem to be solved is a kind of saving energy to be provided, environmental protection, and the solar energy inverter of high efficiency.
The technical scheme that the utility model adopted is: a kind of solar energy inverter; Include solar-energy photo-voltaic cell, civil power supplementary units, discharge and recharge intelligent control unit, lead-acid battery and inverter; Wherein, Described solar-energy photo-voltaic cell is connected respectively with the civil power supplementary units and discharges and recharges intelligent control unit, and the described intelligent control unit that discharges and recharges connects lead-acid battery, and described lead-acid battery connects inverter.
Described civil power supplementary units includes first module, Unit second, Unit the 3rd and Unit the 4th; Wherein said first module, Unit second and Unit the 4th are to be connected through transformer by civil power to discharge and recharge intelligent control unit, and described Unit the 3rd is directly to be connected by civil power to discharge and recharge intelligent control unit.
The described intelligent control unit that discharges and recharges includes: control circuit, main circuit power supply, output major loop and solar-energy photo-voltaic cell power-supplying circuit; Described control circuit connects main circuit power supply and solar-energy photo-voltaic cell power-supplying circuit respectively; Described main circuit power supply connects the output major loop; Wherein, The power input of described control circuit connects first module and the Unit second in the civil power supplementary units respectively; The power input of said main circuit power supply connects the Unit the 3rd in the civil power supplementary units, and the power input of described solar-energy photo-voltaic cell power-supplying circuit connects the Unit the 4th in the civil power supplementary units, described solar-energy photo-voltaic cell through the solar-energy photo-voltaic cell power-supplying circuit to the output of exporting major loop.
Described control circuit includes pulse width modulating chip A1, and 1 pin of said pulse width modulating chip A1 and 9 pin are through capacitor C 22 ground connection, and 2 pin are respectively through resistance R 16 and capacitor C 20 ground connection; 5 pin and 7 pin are through capacitor C 17 ground connection, and 6 pin are through resistance R 15 ground connection, and 8 pin are through electrochemical capacitor C16 ground connection; 10 pin are through resistance R 30 ground connection; 12 pin ground connection, 16 pin connect resistance R 14 through capacitor C 20 ground connection between 2 pin and 16 pin; 16 pin are also successively through resistance R 17 and potentiometer W1 ground connection; 15 pin connect the solar-energy photo-voltaic cell power-supplying circuit, and 13 pin connect the solar-energy photo-voltaic cell power-supplying circuit through resistance R 13, and 11 pin connect 2 pin of the first output coupler A3 through resistance 9; 14 pin connect 2 pin of the second output coupler A4 through resistance 11; 3 pin of the said first output coupler A3 are through resistance R 10 ground connection, and output pin 6 pin connect main circuit power supply, and power input pin 8 pin are connected first rectification, filtering and voltage stabilizing circuit with 5 pin; The power input of described first rectification, filtering and voltage stabilizing circuit is connected the first module in the civil power supplementary units; 3 pin of the said second output coupler A4 are through resistance R 12 ground connection, and output pin 6 pin connect main circuit power supply, and power input pin 8 pin are connected second rectification, filtering and voltage stabilizing circuit with 5 pin; The power input of described second rectification, filtering and voltage stabilizing circuit is connected the Unit second in the civil power supplementary units, and the output of described first rectification, filtering and voltage stabilizing circuit and second rectification, filtering and voltage stabilizing circuit also is connected main circuit power supply respectively.
The formation of described main circuit power supply is: the power input of rectifier bridge Z1 connects the Unit the 3rd in the civil power supplementary units; Output parallel resistance R1; One end of resistance R 1 connects an end of electrochemical capacitor C1, capacitor C 3, capacitor C 5 respectively; And the drain electrode that connects FET G1; The other end of resistance R 1 connects an end of electrochemical capacitor C2, capacitor C 4 respectively; And the other end of capacitor C 5, the source electrode of FET G2 and first rectification, filtering and the voltage stabilizing circuit in the control circuit; The other end of said electrochemical capacitor C1, electrochemical capacitor C2, capacitor C 3 and capacitor C 4 is connected the power input of exporting major loop, and drain electrode is connected second rectification, filtering and the voltage stabilizing circuit in the control circuit respectively to the source electrode of described FET G1 with FET G2, the power input of output major loop; The grid of said FET G1 connects output pin 6 pin of the second output coupler A4 in the control circuit through resistance R 2; Be parallel with voltage stabilizing didoe D1 and resistance R 3 between the grid of FET G1 and the source electrode, the grid of said FET G2 is parallel with voltage stabilizing didoe D2 and resistance R 5 through output pin 6 pin of the first output coupler A3 in the resistance R 4 connection control circuits between the grid of FET G2 and the source electrode.
The formation of described solar-energy photo-voltaic cell power-supplying circuit is: the power input of rectifier bridge Z2 connects the Unit the 4th in the civil power supplementary units; The positive pole of rectifier bridge Z2 output connects the end of electrochemical capacitor C14 and the end of three terminal regulator A5; The other end of three terminal regulator A5 connects the end of electrochemical capacitor C15, an end of relay J K coil and 13 pin of stating pulse width modulating chip A1 and 15 pin in the control circuit respectively; The 3rd end of the negative pole of said rectifier bridge Z2 output, the other end of electrochemical capacitor C14, three terminal regulator A5 and the other end ground connection of relay J K coil, described solar-energy photo-voltaic cell are the outputs that connects the output major loop through the normally opened contact JK1 of relay J K.
The formation of described output major loop is: the primary coil of transformer B1 connects the output of main circuit power supply; The positive pole of first output winding of transformer B1 is through diode D3, resistance R 30 ground connection; The negative level ground connection of first output winding of transformer B1; The negative pole of described diode D3 is also through the parallelly connected ground connection of electrochemical capacitor C23 with LED 1; The 3rd output termination of second output winding of transformer B1 and the 5th output termination are connected an end of resistance R 31 and resistance R 21 separately jointly through the parallel connection back of two diodes; The other end of resistance R 31 connects the negative pole of lead-out terminal, and the other end of resistance R 21 connects the positive pole of lead-out terminal, and the 4th output termination of second output winding of transformer B1 connects the negative pole of lead-out terminal.
Described inverter includes DC/DC rod changer assembly, inverter control circuit, waveform generator, main inverter bridge circuit, transformation treatment circuit and shaping and sampling feedback circuit; Described DC/DC rod changer assembly, inverter control circuit are connected with waveform generator successively; Described main inverter bridge circuit connects inverter control circuit and transformer B respectively; The output of described transformer B connects shaping and sampling feedback circuit; Described waveform generator connects shaping and sampling feedback circuit through the feedback sample circuit; The output of shaping and sampling feedback circuit constitutes the ac output end of solar energy inverter, and wherein, the power input of described DC/DC rod changer assembly and main inverter bridge circuit is connected lead-acid battery respectively.
Described inverter control circuit and waveform generator include the end of an end, resistance R 32, R34, R42, R35, R37 and the R43 of the capacitor C 31 that links to each other with the output of DC/DC rod changer assembly respectively, C32, C33, C34, and the other end of said capacitor C 31 and C32 is connected the primary coil of transformer B, connects main inverter bridge circuit; The other end of said resistance R 32 is through the collector electrode of resistance R 33 connection triode T1, and 4 pin that connect photoelectrical coupler A7, and the other end of resistance R 34 connects the emitter of triode T1; And connect main inverter bridge circuit, and the other end of resistance R 42 connects the grid of triode T1 and 3 pin of photoelectrical coupler A7 respectively, and the other end of said resistance R 35 connects the collector electrode of triode T2 through resistance R 36; And 4 pin that connect photoelectrical coupler A8, the other end of said resistance R 37 connects the emitter of triode T2, and connects main inverter bridge circuit; The other end of resistance R 43 connects the grid of triode T2 and 3 pin of photoelectrical coupler A8, and 1 pin of said photoelectrical coupler A7 is through 11 pin of resistance R 44 connection waveform generation chip A6, the 2 pin ground connection of photoelectrical coupler A7; 1 pin of said photoelectrical coupler A8 connects 14 pin of waveform generation chip A6 through resistance R 45; The 2 pin ground connection of photoelectrical coupler A8,13 pin of waveform generation chip A6 connect 4 pin of the photoelectrical coupler A9 in lead-acid battery, shaping and sampling feedback circuit and the feedback sample circuit through resistance R 46 respectively with 15 pin, and 10 pin are through resistance R 47 ground connection; 8 pin are through electrochemical capacitor C41 ground connection; 12 pin ground connection, 5 pin and 7 pin are through capacitor C 42 ground connection, and 6 pin are through resistance R 50 ground connection; 9 pin are successively through diode D8 and potentiometer W2 ground connection; 9 pin also connect 16 pin through resistance R 52, and 1 pin is through capacitor C 40 ground connection, and 2 pin are through resistance R 51 ground connection; Connect 6 pin through resistance R 48; 6 pin are through capacitor C 44 ground connection, and described waveform generator also includes connecting of resistance R 49 and capacitor C 38, and wherein the other end of resistance R 49 is with an end of the capacitor C 39 adjustable end through the potentiometer W3 of resistance R 53 connection feedback sample circuit; The other end of the other end of capacitor C 38 and capacitor C 39 is through capacitor C 43 ground connection; The end ground connection of described potentiometer W3, the other end connects 3 pin of photoelectrical coupler A9, and 1 pin of photoelectrical coupler A9 is connected shaping and sampling feedback circuit with 2 pin.
Described main inverter bridge circuit includes capacitor C 35, C36, C37, FET G3 and the FET G4 that is connected with the lead-acid battery output; The other end of described capacitor C 35 and C36 is connected 2 ends of transformer B primary coil; The drain electrode of the source electrode of FET G3 and FET G4 is connected 1 end of transformer B primary coil; The grid of FET G3 connects the emitter of the triode T1 in the inverter control circuit through resistance R 38; The grid of FET G4 connects the emitter of the triode T2 in the inverter control circuit through resistance R 40; Be parallel with voltage stabilizing didoe D5 and resistance R 39 between the grid of said FET G3 and the source electrode, be parallel with voltage stabilizing didoe D6 and resistance R 41 between the grid of described FET G4 and the source electrode.
The solar energy inverter of the utility model owing to adopt solar energy as power supply, is saved the energy, environmental protection.Inverter reaches international advanced level, and its opto-electronic conversion reaches 15%, and the efficient of inverter is also more than 90%; The maximum characteristics of the solar energy inverter of the utility model are that waveform is pure, and harmonic component is little, and the distortion factor is merely below 1%; Anti-overload ability; The short-circuit protection ability is all excellent, is a kind of efficient, the inverter that the energy-conserving and environment-protective index is good.
Description of drawings
Fig. 1 is the entire block diagram of the utility model;
Fig. 2 is the circuit theory diagrams that the utility model discharges and recharges intelligent control unit;
Fig. 3 is the circuit theory diagrams of the utility model inverter.
Among the figure:
1: solar-energy photo-voltaic cell 2: the civil power supplementary units
21: 22: the second unit of first module
24: the four unit, 23: the three unit
3: discharge and recharge intelligent control unit 31: control circuit
32: main circuit power supply 33: the output major loop
34: the rectification in 311: the first of solar-energy photo-voltaic cell power-supplying circuit, filtering and voltage stabilizing circuit
Rectification in 312: the second, filtering and voltage stabilizing circuit 4: lead-acid battery
5: inverter 51:DC/DC rod changer assembly
52: inverter control circuit 53: waveform generator
54: main inverter bridge circuit 55: shaping and sampling feedback circuit
Embodiment
Below in conjunction with embodiment and accompanying drawing the solar energy inverter of the utility model is made detailed description.
As shown in Figure 1; The solar energy inverter of the utility model; Include solar-energy photo-voltaic cell 1, civil power supplementary units 2, discharge and recharge intelligent control unit 3, lead-acid battery 4 and inverter 5, wherein, described solar-energy photo-voltaic cell 1 is connected respectively with civil power supplementary units 2 and discharges and recharges intelligent control unit 3; The described intelligent control unit 3 that discharges and recharges connects lead-acid battery 4, and described lead-acid battery 4 connects inverter 5.
As shown in Figure 2; Described civil power supplementary units 2 includes first module 21, second unit 22, the 3rd unit 23 and the 4th unit 24; Wherein said first module 21, second unit 22 are to be connected through transformer by civil power to discharge and recharge intelligent control unit 3 with the 4th unit 24, and described the 3rd unit 23 is directly to be connected by civil power to discharge and recharge intelligent control unit 3.Wherein said transformer is 5～10W control transformer.
The effect that discharges and recharges intelligent control unit 3 is to control the whole system operation state and storage battery is played additives for overcharge protection; The effect of over; The function that possesses temperature-compensating simultaneously at the power supply of the bigger local the utility model of the temperature difference also can be provided with light-operated if needed and close the space-time switch.
As shown in Figure 2; The described intelligent control unit 3 that discharges and recharges includes: control circuit 31, main circuit power supply 32, output major loop 33 and solar-energy photo-voltaic cell power-supplying circuit 34; Described control circuit 31 connects main circuit power supply 32 and solar-energy photo-voltaic cell power-supplying circuit 34 respectively; Described main circuit power supply 32 connects output major loop 33; Wherein, The power input of described control circuit 31 connects the first module 21 and second unit 22 in the civil power supplementary units 2 respectively; The power input of said main circuit power supply 32 connects the 3rd unit 23 in the civil power supplementary units 2, and the power input of described solar-energy photo-voltaic cell power-supplying circuit 34 connects the 4th unit 24 in the civil power supplementary units 2, and described solar-energy photo-voltaic cell 1 is through the output of solar-energy photo-voltaic cell power-supplying circuit 34 to output major loop 33.
Described control circuit 31 includes pulse width modulating chip A1, and it is the chip of SG3523 that said pulse width modulating chip A1 adopts model, and 1 pin of this chip and 9 pin are through capacitor C 22 ground connection; 2 pin are respectively through resistance R 16 and capacitor C 20 ground connection, and 5 pin and 7 pin are through capacitor C 17 ground connection, and 6 pin are through resistance R 15 ground connection; 8 pin are through electrochemical capacitor C16 ground connection, and 10 pin are through resistance R 30 ground connection, 12 pin ground connection; 16 pin are through capacitor C 20 ground connection; Connect resistance R 14,16 pin between 2 pin and 16 pin also successively through resistance R 17 and potentiometer W1 ground connection, 15 pin connect solar-energy photo-voltaic cell power-supplying circuit 34; 13 pin connect solar-energy photo-voltaic cell power-supplying circuit 34 through resistance R 13; 11 pin are through 2 pin of the resistance 9 connections first output coupler A3, and 14 pin are through 2 pin of the resistance 11 connections second output coupler A4, and 3 pin of the said first output coupler A3 are through resistance R 10 ground connection; Output pin 6 pin connect main circuit power supply 32; Power input pin 8 pin are connected first rectification, filtering and voltage stabilizing circuit 311 with 5 pin, the power input of described first rectification, filtering and voltage stabilizing circuit 311 is connected the first module 21 in the civil power supplementary units 2, and 3 pin of the said second output coupler A4 are through resistance R 12 ground connection; Output pin 6 pin connect main circuit power supply 32; Power input pin 8 pin are connected second rectification, filtering and voltage stabilizing circuit 312 with 5 pin, the power input of described second rectification, filtering and voltage stabilizing circuit 312 is connected second unit 22 in the civil power supplementary units 2, and the output of described first rectification, filtering and voltage stabilizing circuit 311 and second rectification, filtering and voltage stabilizing circuit 312 also is connected main circuit power supply 32 respectively.
The formation of described main circuit power supply 32 is: the power input of rectifier bridge Z1 connects the 3rd unit 23 in the civil power supplementary units 2; Output parallel resistance R1; One end of resistance R 1 connects an end of electrochemical capacitor C1, capacitor C 3, capacitor C 5 respectively; And the drain electrode that connects FET G1; The other end of resistance R 1 connects an end of electrochemical capacitor C2, capacitor C 4 respectively; And source electrode and first rectification in the control circuit 31, filtering and the voltage stabilizing circuit 311 of the other end of capacitor C 5, FET G2; The other end of said electrochemical capacitor C1, electrochemical capacitor C2, capacitor C 3 and capacitor C 4 is connected the power input of exporting major loop 33, and drain electrode is connected second rectification, filtering and the voltage stabilizing circuit 312 in the control circuit 31 respectively to the source electrode of described FET G1 with FET G2, the power input of output major loop 33; The grid of said FET G1 connects output pin 6 pin of the second output coupler A4 in the control circuit 31 through resistance R 2; Be parallel with voltage stabilizing didoe D1 and resistance R 3 between the grid of FET G1 and the source electrode, the grid of said FET G2 is parallel with voltage stabilizing didoe D2 and resistance R 5 through output pin 6 pin of the first output coupler A3 in the resistance R 4 connection control circuits 31 between the grid of FET G2 and the source electrode.
The formation of described solar-energy photo-voltaic cell power-supplying circuit 34 is: the power input of rectifier bridge Z2 connects the 4th unit 24 in the civil power supplementary units 2; The positive pole of rectifier bridge Z2 output connects the end of electrochemical capacitor C14 and the end of three terminal regulator A5; The other end of three terminal regulator A5 connects the end of electrochemical capacitor C15, an end of relay J K coil and 13 pin of stating pulse width modulating chip A1 and 15 pin in the control circuit 31 respectively; The 3rd end of the negative pole of said rectifier bridge Z2 output, the other end of electrochemical capacitor C14, three terminal regulator A5 and the other end ground connection of relay J K coil, described solar-energy photo-voltaic cell 1 are the outputs that connects output major loop 33 through the normally opened contact JK1 of relay J K.
The formation of described output major loop 33 is: the primary coil of transformer B1 connects the output of main circuit power supply 32; The positive pole of first output winding of transformer B1 is through diode D3, resistance R 30 ground connection; The negative level ground connection of first output winding of transformer B1; The negative pole of described diode D3 is also through the parallelly connected ground connection of electrochemical capacitor C23 with LED 1; The 3rd output termination of second output winding of transformer B1 and the 5th output termination are connected an end of resistance R 31 and resistance R 21 separately jointly through the parallel connection back of two diodes; The other end of resistance R 31 connects the negative pole of lead-out terminal, and the other end of resistance R 21 connects the positive pole of lead-out terminal, and the 4th output termination of second output winding of transformer B1 connects the negative pole of lead-out terminal.
The lead-acid battery 4 of the utility model adopts homemade ST series solar energy storage lead-acid battery; Its performance characteristics adopts high leypewter of high-purity and ultrapure electrolyte; Self-discharge of battery is little; Dark cyclic design average life span is more than 5 years, and 20% discharge is capable of circulation more than 2200 times, and it is adequate fully being applied in long-term undercharge or the frequent adverse circumstances of discharging.
The solar energy storage lead-acid battery environment for use that invention is adopted is-30 ℃--45 ℃, optimum temperature is 25 ℃, and the solar energy storage lead-acid battery is that the stable operation of the utility model system provides reliable assurance.
As shown in Figure 3; Described inverter 5 includes DC/DC rod changer assembly 51, inverter control circuit 52, waveform generator 53, main inverter bridge circuit 54, transformer B2 and shaping and sampling feedback circuit 55; Described DC/DC rod changer assembly 51, inverter control circuit 52 are connected with waveform generator 53 successively; Described main inverter bridge circuit 54 connects inverter control circuit 52 and transformer B respectively; The output of described transformer B connects shaping and sampling feedback circuit 55, and described waveform generator 53 connects shaping and sampling feedback circuit 55 through the feedback sample circuit, and the output of shaping and sampling feedback circuit 55 constitutes the ac output end of solar energy inverter; Wherein, the power input of described DC/DC rod changer assembly 51 and main inverter bridge circuit 54 is connected lead-acid battery 4 respectively.
Described inverter control circuit 52 and waveform generator 53 include the end of an end, resistance R 32, R34, R42, R35, R37 and the R43 of the capacitor C 31 that links to each other with 51 outputs of DC/DC rod changer assembly respectively, C32, C33, C34, and the other end of said capacitor C 31 and C32 is connected the primary coil of transformer B, connects main inverter bridge circuit 54; The other end of said resistance R 32 is through the collector electrode of resistance R 33 connection triode T1, and 4 pin that connect photoelectrical coupler A7, and the other end of resistance R 34 connects the emitter of triode T1; And connect main inverter bridge circuit 54, and the other end of resistance R 42 connects the grid of triode T1 and 3 pin of photoelectrical coupler A7 respectively, and the other end of said resistance R 35 connects the collector electrode of triode T2 through resistance R 36; And 4 pin that connect photoelectrical coupler A8, the other end of said resistance R 37 connects the emitter of triode T2, and connects main inverter bridge circuit 54; The other end of resistance R 43 connects the grid of triode T2 and 3 pin of photoelectrical coupler A8, and 1 pin of said photoelectrical coupler A7 is through 11 pin of resistance R 44 connection waveform generation chip A6, the 2 pin ground connection of photoelectrical coupler A7; 1 pin of said photoelectrical coupler A8 connects 14 pin of waveform generation chip A6 through resistance R 45; The 2 pin ground connection of photoelectrical coupler A8,13 pin of waveform generation chip A6 connect 4 pin of the photoelectrical coupler A9 in lead-acid battery 4, shaping and sampling feedback circuit 55 and the feedback sample circuit through resistance R 46 respectively with 15 pin, and 10 pin are through resistance R 47 ground connection; 8 pin are through electrochemical capacitor C41 ground connection; 12 pin ground connection, 5 pin and 7 pin are through capacitor C 42 ground connection, and 6 pin are through resistance R 50 ground connection; 9 pin are successively through diode D8 and potentiometer W2 ground connection; 9 pin also connect 16 pin through resistance R 52, and 1 pin is through capacitor C 40 ground connection, and 2 pin are through resistance R 51 ground connection; Connect 6 pin through resistance R 48; 6 pin are through capacitor C 44 ground connection, and described waveform generator 53 also includes connecting of resistance R 49 and capacitor C 38, and wherein the other end of resistance R 49 is with an end of the capacitor C 39 adjustable end through the potentiometer W3 of resistance R 53 connection feedback sample circuit; The other end of the other end of capacitor C 38 and capacitor C 39 is through capacitor C 43 ground connection; The end ground connection of described potentiometer W3, the other end connects 3 pin of photoelectrical coupler A9, and 1 pin of photoelectrical coupler A9 is connected shaping and sampling feedback circuit 55 with 2 pin.
It is the chip of SG3523 that waveform generation chip A6 in the waveform generator 53 adopts model.It is the module of NB950 that shaping and sampling feedback circuit 56 adopt model.
Described main inverter bridge circuit 54 includes capacitor C 35, C36, C37, FET G3 and the FET G4 that is connected with lead-acid battery 4 outputs; The other end of described capacitor C 35 and C36 is connected 2 ends of transformer B primary coil; The drain electrode of the source electrode of FET G3 and FET G4 is connected 1 end of transformer B primary coil; The grid of FET G3 connects the emitter of the triode T1 in the inverter control circuit 52 through resistance R 38; The grid of FET G4 connects the emitter of the triode T2 in the inverter control circuit 52 through resistance R 40; Be parallel with voltage stabilizing didoe D5 and resistance R 39 between the grid of said FET G3 and the source electrode, be parallel with voltage stabilizing didoe D6 and resistance R 41 between the grid of described FET G4 and the source electrode.
Solar-energy photo-voltaic cell in the utility model is that solar panel is the core in the solar power system; Work is that conversion of solar energy is electric energy or is sent to and stores or promote loaded work piece in the storage battery; The quality of solar panel and cost will directly determine the quality and the cost of whole system; Single-crystalline-silicon solar-cell panel is selected in the 800W power supply output of the utility model for use, and the conversion efficiency of monocrystalline silicon battery plate is high than the solar cell cost performance of other materials.
Press 1000W/ square metre of solar cell test standard, every day, light application time selected for use two of 150W/24V solar panels then by calculating this patent 800W in 6 hours:
300W×6h＝1800Wh
MAX：300/24＝12.5A
Charging interval when selecting the 150Ah storage battery for use
150Ah/12.5A＝12h
As select the 500W solar panel for use, the charging interval is merely
500/24＝21A
150/21=7 hour, meet China's most of region geographical conditions.
The a pair of c type of transformer adopting in the utility model non-crystaline amorphous metal is as the magnetic core of high voltage high frequency transformer, and the saturation magnetic induction of this material can reach IT, and magnetic permeability is higher.
Former side's winding 50 circles of transformer are paid square winding 2000 circles.No-load voltage ratio 1: 40.The former limit input of transformer maximum voltage is 500v, and output voltage can reach 20000V like this.
Through measuring, the high-tension transformer parameter is: Ls=0.08H, and Rs=55, Cs=3500pF, its resonance frequency is f0=9.5kHz, can satisfy the demand.
In order to obtain sinusoidal waveform, select 0.5～1mH for use, the inductor filter that discharge capacity 30A is above, for reducing inductor loss, inductance should adopt amorphous alloy material.
Claims (10)
1. solar energy inverter; It is characterized in that; Include solar-energy photo-voltaic cell (1), civil power supplementary units (2), discharge and recharge intelligent control unit (3), lead-acid battery (4) and inverter (5), wherein, described solar-energy photo-voltaic cell (1) is connected respectively with civil power supplementary units (2) and discharges and recharges intelligent control unit (3); The described intelligent control unit (3) that discharges and recharges connects lead-acid battery (4), and described lead-acid battery (4) connects inverter (5).
2. solar energy inverter according to claim 1; It is characterized in that; Described civil power supplementary units (2) includes first module (21), Unit second (22), Unit the 3rd (23) and Unit the 4th (24); Wherein said first module (21), Unit second (22) are to be connected through transformer by civil power to discharge and recharge intelligent control unit (3) with Unit the 4th (24), and described Unit the 3rd (23) is directly to be connected by civil power to discharge and recharge intelligent control unit (3).
3. solar energy inverter according to claim 1; It is characterized in that; The described intelligent control unit (3) that discharges and recharges includes: control circuit (31), main circuit power supply (32), output major loop (33) and solar-energy photo-voltaic cell power-supplying circuit (34); Described control circuit (31) connects main circuit power supply (32) and solar-energy photo-voltaic cell power-supplying circuit (34) respectively; Described main circuit power supply (32) connects output major loop (33); Wherein, the power input of described control circuit (31) connects first module (21) and Unit second (22) in the civil power supplementary units (2) respectively, and the power input of said main circuit power supply (32) connects the Unit the 3rd (23) in the civil power supplementary units (2); The power input of described solar-energy photo-voltaic cell power-supplying circuit (34) connects the Unit the 4th (24) in the civil power supplementary units (2), described solar-energy photo-voltaic cell (1) through solar-energy photo-voltaic cell power-supplying circuit (34) to the output of exporting major loop (33).
4. solar energy inverter according to claim 3 is characterized in that, described control circuit (31) includes pulse width modulating chip A1; 1 pin of said pulse width modulating chip A1 and 9 pin are through capacitor C 22 ground connection, and 2 pin are respectively through resistance R 16 and capacitor C 20 ground connection, and 5 pin and 7 pin are through capacitor C 17 ground connection; 6 pin are through resistance R 15 ground connection; 8 pin are through electrochemical capacitor C16 ground connection, and 10 pin are through resistance R 30 ground connection, 12 pin ground connection; 16 pin are through capacitor C 20 ground connection; Connect resistance R 14,16 pin between 2 pin and 16 pin also successively through resistance R 17 and potentiometer W1 ground connection, 15 pin connect solar-energy photo-voltaic cell power-supplying circuit (34); 13 pin connect solar-energy photo-voltaic cell power-supplying circuit (34) through resistance R 13; 11 pin are through 2 pin of the resistance 9 connections first output coupler A3, and 14 pin are through 2 pin of the resistance 11 connections second output coupler A4, and 3 pin of the said first output coupler A3 are through resistance R 10 ground connection; Output pin 6 pin connect main circuit power supply (32); Power input pin 8 pin are connected first rectification, filtering and voltage stabilizing circuit (311) with 5 pin, the power input of described first rectification, filtering and voltage stabilizing circuit (311) is connected the first module (21) in the civil power supplementary units (2), and 3 pin of the said second output coupler A4 are through resistance R 12 ground connection; Output pin 6 pin connect main circuit power supply (32); Power input pin 8 pin are connected second rectification, filtering and voltage stabilizing circuit (312) with 5 pin, the power input of described second rectification, filtering and voltage stabilizing circuit (312) is connected the Unit second (22) in the civil power supplementary units (2), and the output of described first rectification, filtering and voltage stabilizing circuit (311) and second rectification, filtering and voltage stabilizing circuit (312) also is connected main circuit power supply (32) respectively.
5. solar energy inverter according to claim 3; It is characterized in that; The formation of described main circuit power supply (32) is: the power input of rectifier bridge Z1 connects the Unit the 3rd (23) in the civil power supplementary units (2); Output parallel resistance R1; One end of resistance R 1 connects an end of electrochemical capacitor C1, capacitor C 3, capacitor C 5 respectively; And the drain electrode that connects FET G1; The other end of resistance R 1 connects an end of electrochemical capacitor C2, capacitor C 4 respectively, and the other end of capacitor C 5, the source electrode of FET G2 and first rectification, filtering and the voltage stabilizing circuit (311) in the control circuit (31), and the other end of said electrochemical capacitor C1, electrochemical capacitor C2, capacitor C 3 and capacitor C 4 is connected the power input of output major loop (33); Drain electrode is connected second rectification, filtering and the voltage stabilizing circuit (312) in the control circuit (31) respectively to the source electrode of described FET G1 with FET G2; The power input of output major loop (33), the grid of said FET G1 is parallel with voltage stabilizing didoe D1 and resistance R 3 through output pin 6 pin of the second output coupler A4 in the resistance R 2 connection control circuits (31) between the grid of FET G1 and the source electrode; The grid of said FET G2 is parallel with voltage stabilizing didoe D2 and resistance R 5 through output pin 6 pin of the first output coupler A3 in the resistance R 4 connection control circuits (31) between the grid of FET G2 and the source electrode.
6. solar energy inverter according to claim 3; It is characterized in that; The formation of described solar-energy photo-voltaic cell power-supplying circuit (34) is: the power input of rectifier bridge Z2 connects the Unit the 4th (24) in the civil power supplementary units (2); The positive pole of rectifier bridge Z2 output connects the end of electrochemical capacitor C14 and the end of three terminal regulator A5; The other end of three terminal regulator A5 connects the end of electrochemical capacitor C15, an end of relay J K coil and 13 pin of stating pulse width modulating chip A1 and 15 pin in the control circuit (31) respectively; The 3rd end of the negative pole of said rectifier bridge Z2 output, the other end of electrochemical capacitor C14, three terminal regulator A5 and the other end ground connection of relay J K coil, described solar-energy photo-voltaic cell (1) are the outputs that connects output major loop (33) through the normally opened contact JK1 of relay J K.
7. solar energy inverter according to claim 3; It is characterized in that; The formation of described output major loop (33) is: the primary coil of transformer B1 connects the output of main circuit power supply (32); The positive pole of first output winding of transformer B1 is through diode D3, resistance R 30 ground connection; The negative level ground connection of first output winding of transformer B1; The negative pole of described diode D3 is the parallelly connected ground connection through electrochemical capacitor C23 and LED 1 also, and the 3rd output termination of second output winding of transformer B1 and the 5th output termination are connected an end of resistance R 31 and resistance R 21, the negative pole of the other end connection lead-out terminal of resistance R 31 separately jointly through the parallel connection back of two diodes; The other end of resistance R 21 connects the positive pole of lead-out terminal, and the 4th output termination of second output winding of transformer B1 connects the negative pole of lead-out terminal.
8. solar energy inverter according to claim 1; It is characterized in that; Described inverter (5) includes DC/DC rod changer assembly (51), inverter control circuit (52), waveform generator (53), main inverter bridge circuit (54), transformation treatment circuit (55) and shaping and sampling feedback circuit (56); Described DC/DC rod changer assembly (51), inverter control circuit (52) and waveform generator (53) are connected successively; Described main inverter bridge circuit (54) connects inverter control circuit (52) and transformer B respectively; The output of described transformer B connects shaping and sampling feedback circuit (55), and described waveform generator (53) connects shaping and sampling feedback circuit (55) through the feedback sample circuit, and the output of shaping and sampling feedback circuit (55) constitutes the ac output end of solar energy inverter; Wherein, the power input of described DC/DC rod changer assembly (51) and main inverter bridge circuit (54) is connected lead-acid battery (4) respectively.
9. solar energy inverter according to claim 8 is characterized in that, described inverter control circuit (52) and waveform generator (53) include the end of an end, resistance R 32, R34, R42, R35, R37 and the R43 of the capacitor C 31 that links to each other with DC/DC rod changer assembly (51) output respectively, C32, C33, C34; The other end of said capacitor C 31 and C32 is connected the primary coil of transformer B, connects main inverter bridge circuit (54), and the other end of said resistance R 32 connects the collector electrode of triode T1 through resistance R 33; And 4 pin that connect photoelectrical coupler A7, the other end of resistance R 34 connects the emitter of triode T1, and connects main inverter bridge circuit (54); The other end of resistance R 42 connects the grid of triode T1 and 3 pin of photoelectrical coupler A7 respectively, and the other end of said resistance R 35 is through the collector electrode of resistance R 36 connection triode T2, and 4 pin that connect photoelectrical coupler A8; The other end of said resistance R 37 connects the emitter of triode T2, and connects main inverter bridge circuit (54), and the other end of resistance R 43 connects the grid of triode T2 and 3 pin of photoelectrical coupler A8; 1 pin of said photoelectrical coupler A7 connects 11 pin of waveform generation chip A6 through resistance R 44; The 2 pin ground connection of photoelectrical coupler A7,1 pin of said photoelectrical coupler A8 is through 14 pin of resistance R 45 connection waveform generation chip A6, the 2 pin ground connection of photoelectrical coupler A8; 13 pin of waveform generation chip A6 connect 4 pin of the photoelectrical coupler A9 in lead-acid battery (4), shaping and sampling feedback circuit (55) and the feedback sample circuit through resistance R 46 respectively with 15 pin; 10 pin are through resistance R 47 ground connection, and 8 pin are through electrochemical capacitor C41 ground connection, 12 pin ground connection; 5 pin and 7 pin are through capacitor C 42 ground connection; 6 pin are through resistance R 50 ground connection, and 9 pin are successively through diode D8 and potentiometer W2 ground connection, and 9 pin also connect 16 pin through resistance R 52; 1 pin is through capacitor C 40 ground connection; 2 pin connect 6 pin through resistance R 51 ground connection through resistance R 48, and 6 pin are through capacitor C 44 ground connection; Described waveform generator (53) also includes connecting of resistance R 49 and capacitor C 38; Wherein the other end of resistance R 49 passes through the adjustable end that resistance R 53 connects the potentiometer W3 of feedback sample circuit with an end of capacitor C 39, and the other end of the other end of capacitor C 38 and capacitor C 39 is through capacitor C 43 ground connection, the end ground connection of described potentiometer W3; The other end connects 3 pin of photoelectrical coupler A9, and 1 pin of photoelectrical coupler A9 is connected shaping and sampling feedback circuit (55) with 2 pin.
10. solar energy inverter according to claim 8; It is characterized in that; Described main inverter bridge circuit (54) includes capacitor C 35, C36, C37, FET G3 and the FET G4 that is connected with lead-acid battery (4) output; The other end of described capacitor C 35 and C36 is connected 2 ends of transformer B primary coil; The drain electrode of the source electrode of FET G3 and FET G4 is connected 1 end of transformer B primary coil; The grid of FET G3 connects the emitter of the triode T1 in the inverter control circuit (52) through resistance R 38; The grid of FET G4 is parallel with voltage stabilizing didoe D5 and resistance R 39 through the emitter of the triode T2 in the resistance R 40 connection inverter control circuits (52) between the grid of said FET G3 and the source electrode, be parallel with voltage stabilizing didoe D6 and resistance R 41 between the grid of described FET G4 and the source electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201333484U CN202488202U (en) | 2012-03-31 | 2012-03-31 | Solar inversion power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201333484U CN202488202U (en) | 2012-03-31 | 2012-03-31 | Solar inversion power supply |
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| Publication Number | Publication Date |
|---|---|
| CN202488202U true CN202488202U (en) | 2012-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201333484U Withdrawn - After Issue CN202488202U (en) | 2012-03-31 | 2012-03-31 | Solar inversion power supply |
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| Country | Link |
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| CN (1) | CN202488202U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102624073A (en) * | 2012-03-31 | 2012-08-01 | 天津海腾太阳能科技有限公司 | Solar inverter power supply |
| CN106469924A (en) * | 2015-08-20 | 2017-03-01 | 天津英赫新能源科技发展有限公司 | A kind of novel photovoltaic solar energy inverter |
-
2012
- 2012-03-31 CN CN2012201333484U patent/CN202488202U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102624073A (en) * | 2012-03-31 | 2012-08-01 | 天津海腾太阳能科技有限公司 | Solar inverter power supply |
| CN102624073B (en) * | 2012-03-31 | 2014-06-04 | 天津海腾太阳能科技有限公司 | Solar inverter power supply |
| CN106469924A (en) * | 2015-08-20 | 2017-03-01 | 天津英赫新能源科技发展有限公司 | A kind of novel photovoltaic solar energy inverter |
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