CN103916075A - Multifunctional solar charging inverter device - Google Patents
Multifunctional solar charging inverter device Download PDFInfo
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- CN103916075A CN103916075A CN201410171721.9A CN201410171721A CN103916075A CN 103916075 A CN103916075 A CN 103916075A CN 201410171721 A CN201410171721 A CN 201410171721A CN 103916075 A CN103916075 A CN 103916075A
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- power
- charging
- inverter
- power source
- inverter device
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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
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The invention relates to a multifunctional solar charging inverter device. The multifunctional solar charging inverter device is characterized by being composed of a power generating power source, a chopping power source, a high-frequency boosting power source, an inverter and a charging power source. The power generating power source is respectively and electrically connected with the chopping power source and the high-frequency boosting power source, the high-frequency boosting power source, the inverter and the charging power source are electrically isolated into three functional modules with different electric potentials through a push-pull transformer and a photoelectric coupler, and switching control is respectively carried out on the inverter and the charging power source through the conversion of the power generating power source. A solar cell system is integrated with power supplying, charging and inverting, the application of charging, inverting and power supplying of a solar power supply system is achieved, and the multifunctional solar charging inverter device is simple in structure, powerful in function, flexible, safe and reliable, the multifunctional solar charging inverter device has multiple purposes, energy is saved, and environmental friendliness is facilitated.
Description
Technical field
The present invention relates to a kind of supply unit, particularly a kind of multifuctional solar charging inverter device.
Background technology
Existing solar charger and inverter are all often the absolute construction of monomer, generally build solar power system with fixed form.If solar power system was applied in movably to equipment (as electric motor car) when upper, just several devices of respectively doing for oneself absolute construction need to be combined, not only take up room large, bear a heavy burden increase, potential safety hazard is many, and also trouble very of the design of assembling and operation.If rethink to realize, different electrical appliances is powered, its difficulty is just more obvious, thereby has restricted to a certain extent the application of solar electric power supply system.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of simple in structure and there is the solar recharging inverter power supply device of several functions.
The object of the present invention is achieved like this: a kind of multifuctional solar charging inverter device, it is characterized in that it is made up of power generating source, power of chopping, high frequency booster power, inverter, charge power supply five parts, power generating source is electrically connected with power of chopping, high frequency booster power respectively, by push-pull transformer and photoelectrical coupler, high frequency booster power, inverter, charge power supply electrical isolation are become to the functional module of three different potentials, and respectively inverter and charge power supply are carried out to switch control by the conversion of power generating source.
Described power generating source is connected and composed by solar panel, storage capacitor, many grades of change over switches.
Described power of chopping is connected and composed by DC-DC modular converter, USB output interface.
Described high frequency booster power is connected and composed by governor circuit, control button, half-bridge power module, electric capacity, push-pull transformer, rectifier filter, sampling network, feedback comparison amplifier, photoelectrical coupler.
Described inverter is paid winding by push-pull transformer, rectifier filter, and voltage stabilizing circuit, inversion master control borad, H bridge special power module, filter, sampling network, comparison amplifier, AC output interface connect and compose.
Described charge power supply is connected and composed by half-bridge power module, push-pull transformer, rectifier filter, charging mainboard, sampling network, feedback comparison amplifier, photoelectrical coupler, charging output interface.
The present invention combines together solar cell system and power supply, charging, inversion, this structure has realized the three-in-one application of solar electric power supply system charging, inversion, power supply, thereby overcome the defect of prior art, improve solar charging electrical efficiency, alleviate heavy burden, reduce infrastructure cost, expanded the range of application of electric power system.The present invention possesses to be boosted, step-down, the multiple output of constant voltage, overcharges, under-voltage protection, the anti-protection of backflowing, connects charging and the battery repairing function of anti-protection, uniqueness, can continuously give battery electric energy supplement.Realize 220V and exchanged isolation power supply completely.Complete machine structure is simple, powerful, flexible multi-purpose, and energy-conserving and environment-protective are safe and reliable.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present invention;
Fig. 2 is circuit theory diagrams of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figure 1, the present invention is connected and composed by parts such as power generating source 1, power of chopping 2, high frequency booster power 3, inverter 4, charge power supplies 5.Power generating source respectively power of chopping, high frequency booster power forms electrical connection, and the functional module that high frequency booster power, inverter part, charge power supply electrical isolation is become to three different potentials by push-pull transformer L1, L2 and photoelectrical coupler G1, G2, respectively inverter, charge power supply are carried out to switch control by the conversion of power generating source.
Power generating source is made up of solar panel PV-EC, storage capacitor C0, many grades of change over switch K1.Solar panel PV-EC by input IN transmission of electric energy by the level and smooth energy storage of storage capacitor C0 after, select power supply through many grades of change over switch K1.Many grades of change over switch K1 divide third gear, and 1 grade is inversion shelves, and while being placed in this grade, inverter work charger is not worked; Middle 0 grade is straight-through gear, and while being placed in this grade, charger inverter is not all worked; 2 grades is charging shift, and while being placed in this grade, charger work inverter is not worked.Power of chopping is made up of modular converter V1, USB output interface P1.It is except chopping depressuring obtains the required 5V stabilized voltage power supply output of USB interface, and also comprising constant-current voltage-stabilizing provides 12V stabilized voltage power supply to governor circuit IC1 power supply, and modular converter V1 master chip adopts LM2576HVT-ADJ and LM7815 to build.
High frequency booster power is made up of governor circuit IC1, control button #, half-bridge power module M1, capacitor C 1, push-pull transformer L1, rectifier filter DC1, sampling network VFB1, feedback comparison amplifier F1, photoelectrical coupler G1.Governor circuit IC1 produces 50KHz high-frequency impulse by power of chopping power supply, drive half-bridge power module M1 by electrical connection circuit, through push-pull transformer L1, voltage DC converting is become to dither high pressure, again through rectifier filter DC1 output, drive photoelectrical coupler G1 to provide feedback signal to governor circuit IC1 by sampling network VFB1, feedback ratio compared with amplifier circuit F1 simultaneously, control button # provides switch control, protection to control to governor circuit IC1, realizes the regulation and control of high-frequency and high-voltage power supply and charging inversion conversion; Wherein push-pull transformer L1 is made up of armature winding Z1, Z2, secondary high pressure winding Z3, secondary low-voltage winding Z4.Governor circuit IC1 adopts SG3525AN to build, and secondary high pressure is adjusted according to inverter output voltage, and secondary low-voltage is adjusted according to the voltage of voltage stabilizing circuit V2.
Inverter is paid winding Z4 by push-pull transformer L1, rectifier filter DC2, and voltage stabilizing circuit V2, inversion master control borad SPWM, H bridge special power module H1, filter LC, sampling network VFB2, comparison amplifier F2, AC output interface P2 form.Push-pull transformer L1 pays winding Z4 access rectifier filter DC2 and forms with voltage stabilizing circuit V2 the voltage supply inversion master control borad SPWM that is electrically connected output 15V, 5V again, H bridge special power module H1 main power source is connected with rectifier filter DC1, control signal is connected with inversion master control borad SPWM, and feedback signal is connected with sampling network VFB2 and comparison amplifier F2, the output of H bridge special power module H1 and filter LC, sampling network VFB2, AC output interface P2 connect and compose AC220V output, wherein inversion master control borad SPWM adopts 5V, + 15V power supply is powered by voltage stabilizing circuit V2, EG8010 pure sine wave generator inverter chip, single-chip microcomputer solidifies SPWM pure sine wave and drives, carrying dead band controls, pin arranges 4 kinds of Dead Times: 500nS Dead Time 1uS Dead Time 1.2uS Dead Time 1.5uS Dead Time can manually be selected, bipolarity modulation system, PWM carrier frequency 20K, 25K is optional, power frequency 50Hz, the output of 60Hz pure sine wave, it is IR2113S that H bridge drives chip, withstand voltage height, shock-resistant, VFB is fed back to the real effective real-time dynamic process of sampling, though the stability of any load voltage all+-2% in, overvoltage, under-voltage, overcurrent, soft start defencive function is complete, output short circuit for a long time, short circuit is cancelled voltage in rear 3S and is automatically recovered.
Charge power supply is made up of half-bridge power module M2, push-pull transformer L2 rectifier filter DC3, charging mainboard V3, sampling network VFB3, feedback comparison amplifier F3, photoelectrical coupler G2, charging output interface P3.Z21, Z22 that half-bridge power module M2 accesses respectively push-pull transformer L2 form driving connection, simultaneously form electrical isolation by Z23 and rectifier filter DC3 and be connected to be connected, charge output with sampling network VFB3 with charging mainboard V3 again and charge and export OUT interface P3 and be connected output, feedback signal through sampling network VFB3, feed back comparison amplifier F3, photoelectrical coupler G2 and be connected to governor circuit IC1 feedback signal formation is provided; The mainboard V3 that wherein charges forms chopping modulation pulse intelligent charge by AC3842, LM358; push-pull transformer L2 is made up of armature winding Z21, Z22; secondary charging winding Z23 forms; obtain parameter and can obtain the required charging voltage of the multiple storage batterys such as 36V, 48V, 60V, 72V by changing the elementary no-load voltage ratio with secondary winding of push-pull transformer L2 or charging mainboard V3, and realize the charge protection necessarily such as overvoltage, overcurrent, reversal connection by charging mainboard V3.
Operation principle of the present invention is: power generating source converts sunlight to electric energy and forms power supply source, first by the voltage stabilizing of power of chopping transformation, obtaining 5V voltage exports by USB interface, obtain the operating voltage of 12V voltage supply IC1 by constant-current voltage-stabilizing simultaneously, drive high frequency booster power to obtain DC400V high-frequency direct-current voltage, this voltage is transformed into the alternating voltage output of AC220V 50Hz again through inverter.In addition, power generating source is also connected charge power supply by many grades of change over switch selectivity and is realized charge in batteries, and charging voltage is by OUT interface P3 output.Owing to being provided with invert function, whole circuit forms three modules of isolation mutually by push-pull transformer L1, L2 and photoelectrical coupler G1, G2 respectively, wherein power generating source, power of chopping, high frequency booster power GND altogether, and independently form respectively electrical connection with inverter, charge power supply.High frequency booster power and charge power supply share an IC1 and drive, and feed back by light-coupled isolation respectively, and PGND is that shell is held altogether, and whole circuit carries out conversion work state by the gear of selecting K1.
The course of work of the present invention is: in the time that many grades of change over switches are placed in charging shift, high frequency booster power and half-bridge power module M1 do not work, and charge power supply, power of chopping are connected PV-EC work, now push-pull transformer L2 is through half-bridge power module M2, rectifier filter DC3, the charging system that intelligent charge mainboard V3 and governor circuit IC1 form obtains charging voltage and exports through P3 output interface 0UT; In the time that K1 is placed in inversion shelves, charge power supply and half-bridge power module M2 do not work, and high frequency booster power, power of chopping are connected PV-EC work, now the upper winding Z4 of paying of push-pull transformer L1 obtains stabilized voltage power supply through rectifier filter DC2 and supplies with inversion master control borad SPWM work, simultaneously main winding Z3 obtains DC400V voltage through rectifier filter DC1 and supplies with H bridge special power module H1 demodulation and produce AC220V 50Hz alternating voltage, then obtains pure sine wave alternating voltage through LC filtering and exported by AC output interface P2; In the time that K1 is placed in middle 0 grade, power of chopping is still connected PV-EC work, and high frequency booster power and half-bridge power module M1, inverter, charge power supply and half-bridge power module M2 all do not work.
Claims (6)
1. a multifuctional solar charging inverter device, it is characterized in that it is made up of power generating source, power of chopping, high frequency booster power, inverter, charge power supply five parts, power generating source is electrically connected with power of chopping, high frequency booster power respectively, by push-pull transformer and photoelectrical coupler, high frequency booster power, inverter, charge power supply electrical isolation are become to the functional module of three different potentials, and respectively inverter and charge power supply are carried out to switch control by the conversion of power generating source.
2. multifuctional solar charging inverter device according to claim 1, is characterized in that described power generating source is connected and composed by solar panel, storage capacitor, many grades of change over switches.
3. multifuctional solar charging inverter device according to claim 1, is characterized in that described power of chopping is connected and composed by DC-DC modular converter, USB output interface.
4. multifuctional solar charging inverter device according to claim 1, is characterized in that described high frequency booster power is connected and composed by governor circuit, control button, half-bridge power module, electric capacity, push-pull transformer, rectifier filter, sampling network, feedback comparison amplifier, photoelectrical coupler.
5. the inverter described in is paid winding by push-pull transformer, rectifier filter, and voltage stabilizing circuit, inversion master control borad, H bridge special power module, filter, sampling network, comparison amplifier, AC output interface connect and compose.
6. multifuctional solar charging inverter device according to claim 1, is characterized in that described charge power supply is connected and composed by half-bridge power module, push-pull transformer, rectifier filter, charging mainboard, sampling network, feedback comparison amplifier, photoelectrical coupler, charging output interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410171721.9A CN103916075A (en) | 2014-04-28 | 2014-04-28 | Multifunctional solar charging inverter device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410171721.9A CN103916075A (en) | 2014-04-28 | 2014-04-28 | Multifunctional solar charging inverter device |
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| CN103916075A true CN103916075A (en) | 2014-07-09 |
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| CN201410171721.9A Pending CN103916075A (en) | 2014-04-28 | 2014-04-28 | Multifunctional solar charging inverter device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300585A (en) * | 2016-08-31 | 2017-01-04 | 苏州迈力电器有限公司 | Power frequency inversion and charged integrated |
| CN108406043A (en) * | 2018-04-20 | 2018-08-17 | 吴忠市中心电焊机有限公司 | Photovoltaic welding machine |
| CN109194157A (en) * | 2018-11-19 | 2019-01-11 | 国网四川省电力公司成都供电公司 | A kind of live inverter for stablizing output |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008118832A (en) * | 2006-11-08 | 2008-05-22 | Matsushita Electric Ind Co Ltd | Power conversion device |
| US8467200B2 (en) * | 2010-04-26 | 2013-06-18 | Queen's University At Kingston | Power converter for a power generator |
| CN103684028A (en) * | 2013-12-16 | 2014-03-26 | 华北电力大学（保定） | Multi-transformer push-pull type photovoltaic inverter |
-
2014
- 2014-04-28 CN CN201410171721.9A patent/CN103916075A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008118832A (en) * | 2006-11-08 | 2008-05-22 | Matsushita Electric Ind Co Ltd | Power conversion device |
| US8467200B2 (en) * | 2010-04-26 | 2013-06-18 | Queen's University At Kingston | Power converter for a power generator |
| CN103684028A (en) * | 2013-12-16 | 2014-03-26 | 华北电力大学（保定） | Multi-transformer push-pull type photovoltaic inverter |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300585A (en) * | 2016-08-31 | 2017-01-04 | 苏州迈力电器有限公司 | Power frequency inversion and charged integrated |
| CN108406043A (en) * | 2018-04-20 | 2018-08-17 | 吴忠市中心电焊机有限公司 | Photovoltaic welding machine |
| CN109194157A (en) * | 2018-11-19 | 2019-01-11 | 国网四川省电力公司成都供电公司 | A kind of live inverter for stablizing output |
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Application publication date: 20140709 |