CN206364570U - One kind is based on monolithic processor controlled new energy inverter - Google Patents
One kind is based on monolithic processor controlled new energy inverter Download PDFInfo
- Publication number
- CN206364570U CN206364570U CN201621277320.2U CN201621277320U CN206364570U CN 206364570 U CN206364570 U CN 206364570U CN 201621277320 U CN201621277320 U CN 201621277320U CN 206364570 U CN206364570 U CN 206364570U
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- China
- Prior art keywords
- power supply
- drive circuit
- inverter
- unit
- electronic switch
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Classifications
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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
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Inverter Devices (AREA)
Abstract
The utility model provides a kind of based on monolithic processor controlled new energy inverter, including solar photovoltaic assembly, inverter, battery and load unit, solar photovoltaic assembly, battery and load unit connect inverter respectively, inverter includes DC/DC converter units, export filter unit, accessory power supply, first drive circuit, second drive circuit, micro control unit and detection unit, DC/DC converter units connect accessory power supply, accessory power supply, first drive circuit and the second drive circuit connect micro control unit respectively, accessory power supply, first drive circuit and the second drive circuit difference connecting detection unit, export filter unit connecting detection unit, the utility model is reasonable in design, it is easy to use, safety and reliability is higher, convenient operating maintenance, efficiency high, with good stability, there is good application prospect.
Description
Technical field
The utility model is specifically related to a kind of based on monolithic processor controlled new energy inverter.
Background technology
Traditional inverter is all based on high-frequency inversion Technology design, and performance is difficult to reach extremely frigid zones in photovoltaic system
Use requirement in system.Photovoltaic controls-inverter after the hardware using single-chip microcomputer as core, software engineering upgrading, its property
It can be greatly improved, but control-inverter in existing market is applied to extremely frigid zones, still suffers from the reliability of power supply
With the problems such as anti-output short-circuit is poor, control accuracy is not high, fault rate is high, efficiency is low, the output quality of power supply is poor.
Utility model content
The purpose of this utility model is above-mentioned not enough electric based on monolithic processor controlled new energy inversion there is provided one kind to solve
Source.
The purpose of this utility model is achieved through the following technical solutions：
One kind is based on monolithic processor controlled new energy inverter, including solar photovoltaic assembly, inverter, battery
And load unit, solar photovoltaic assembly, battery and load unit connect inverter respectively, and inverter includes DC/DC
Converter unit, output filter unit, accessory power supply, the first drive circuit, the second drive circuit, micro control unit and detection unit,
DC/DC converter units connect accessory power supply, and accessory power supply, the first drive circuit and the second drive circuit connect micro-control list respectively
Member, accessory power supply, the first drive circuit and the second drive circuit difference connecting detection unit, exports filter unit connecting detection list
Member.
Load unit includes DC load and AC load.
Solar photovoltaic assembly include photovoltaic module, electronic switch metal-oxide-semiconductor, the first optocoupler, the second optocoupler, electronic switch,
Voltage-stabilized power supply and reference voltage, photovoltaic module connect electronic switch metal-oxide-semiconductor, the first optocoupler and electronic switch, the first optocoupler respectively
Connect electronic switch, the second optocoupler connection electronic switch metal-oxide-semiconductor, electronic switch connection voltage-stabilized power supply, voltage-stabilized power supply connection benchmark
Voltage.
Micro control unit uses SH79F082 singlechip chips.
The utility model has following beneficial effect：
The utility model is reasonable in design, easy to use, and safety and reliability is higher, convenient operating maintenance, efficiency high, tool
There is good stability, there is good application prospect.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is circuit theory diagrams of the present utility model.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of be based on monolithic processor controlled new energy inverter, including solar photovoltaic assembly 1, inversion
Power supply 2, battery 3 and load unit, solar photovoltaic assembly 1, battery 3 and load unit connect inverter 2 respectively, inverse
Variable power source 2 includes DC/DC converter units 13, output filter unit 14, accessory power supply 15, the driving of the first drive circuit 16, second
Circuit 17, micro control unit 18 and detection unit 19, the connection accessory power supply 15 of DC/DC converter units 13, accessory power supply 15, first drive
The dynamic drive circuit 17 of circuit 16 and second connects micro control unit 18 respectively, and accessory power supply 15, the first drive circuit 16 and second drive
The dynamic difference connecting detection of circuit 17 unit 19, exports the connecting detection unit 19 of filter unit 14.
Load unit includes DC load and AC load.
Solar photovoltaic assembly includes photovoltaic module 6, electronic switch metal-oxide-semiconductor 7, the first optocoupler 8, the second optocoupler 9, electronic cutting
10, voltage-stabilized power supply 11 and reference voltage 12 are closed, photovoltaic module 6 connects electronic switch metal-oxide-semiconductor 7, the first optocoupler 8 and electronic cutting respectively
Close 10, the first optocoupler 8 connection electronic switch 10, the second optocoupler 9 connection electronic switch metal-oxide-semiconductor 7, the connection voltage stabilizing electricity of electronic switch 10
Source 11, the connection reference voltage 12 of voltage-stabilized power supply 11.
Micro control unit uses SH79F082 singlechip chips.
Operation principle：Charge and discharge control part：During illumination, photovoltaic module output direct current, through optocoupler by electronic switch 1
Dynamic, voltage provides power supply after voltage stabilizing to comparator, while producing reference voltage is supplied to comparator, reference voltage correspondence electric power storage
Pond charges to peak voltage
(shut-off point), when charging voltage is less than shut-off point, comparator output opens electronic switch 2, photovoltaic group through optocoupler
Part charges to battery；Conversely, when being higher than shut-off point, electronic switch 2 disconnects, stop charging.Near shut-off point, using comparing
The hysteresis voltage formation PWM of device adjusts wide charge mode, makes battery tension stable near highest (shut-off) point, wherein,
VD1 prevents battery back discharge；Converting Unit：SH79F082 single-chip microcomputers detect DC side and AC signal, to driving
Circuit sends control instruction, occurs by electric current, voltage-regulation and control SPWM waveforms, filtered rear output AC220V/50Hz
Alternating current.
Claims (4)
1. one kind be based on monolithic processor controlled new energy inverter, including solar photovoltaic assembly, inverter, battery and
Load unit, it is characterised in that：Solar photovoltaic assembly, battery and load unit connect inverter, inverter respectively
Including DC/DC converter units, output filter unit, accessory power supply, the first drive circuit, the second drive circuit, micro control unit and
Detection unit, DC/DC converter units connection accessory power supply, accessory power supply, the first drive circuit and the second drive circuit connect respectively
Micro control unit is connect, accessory power supply, the first drive circuit and the second drive circuit difference connecting detection unit, output filter unit connect
Connect detection unit.
2. it is according to claim 1 a kind of based on monolithic processor controlled new energy inverter, it is characterised in that：Described
Load unit includes DC load and AC load.
3. it is according to claim 1 a kind of based on monolithic processor controlled new energy inverter, it is characterised in that：Described
Solar photovoltaic assembly includes photovoltaic module, electronic switch metal-oxide-semiconductor, the first optocoupler, the second optocoupler, electronic switch, voltage-stabilized power supply
And reference voltage, photovoltaic module connects electronic switch metal-oxide-semiconductor, the first optocoupler and electronic switch respectively, the first optocoupler connection electronics
Switch, the second optocoupler connection electronic switch metal-oxide-semiconductor, electronic switch connection voltage-stabilized power supply, voltage-stabilized power supply connection reference voltage.
4. it is according to claim 1 a kind of based on monolithic processor controlled new energy inverter, it is characterised in that：Described
Micro control unit uses SH79F082 singlechip chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621277320.2U CN206364570U (en) | 2016-11-26 | 2016-11-26 | One kind is based on monolithic processor controlled new energy inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621277320.2U CN206364570U (en) | 2016-11-26 | 2016-11-26 | One kind is based on monolithic processor controlled new energy inverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206364570U true CN206364570U (en) | 2017-07-28 |
Family
ID=59371539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621277320.2U Expired - Fee Related CN206364570U (en) | 2016-11-26 | 2016-11-26 | One kind is based on monolithic processor controlled new energy inverter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206364570U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110086241A (en) * | 2018-01-26 | 2019-08-02 | 天合光能股份有限公司 | A kind of photovoltaic inversion controller and photovoltaic system suitable for extremely frigid zones |
-
2016
- 2016-11-26 CN CN201621277320.2U patent/CN206364570U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110086241A (en) * | 2018-01-26 | 2019-08-02 | 天合光能股份有限公司 | A kind of photovoltaic inversion controller and photovoltaic system suitable for extremely frigid zones |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170728 Termination date: 20171126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |