CN201509099U - Photovoltaic controller capable of switching commercial power - Google Patents
Photovoltaic controller capable of switching commercial power Download PDFInfo
- Publication number
- CN201509099U CN201509099U CN2009201971708U CN200920197170U CN201509099U CN 201509099 U CN201509099 U CN 201509099U CN 2009201971708 U CN2009201971708 U CN 2009201971708U CN 200920197170 U CN200920197170 U CN 200920197170U CN 201509099 U CN201509099 U CN 201509099U
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- Prior art keywords
- power supply
- power
- module
- photovoltaic
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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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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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a photovoltaic controller capable of switching commercial power, which comprises a system power supply, a photovoltaic input module, a central integrated processor and a switch module, wherein, the system power supply adopts a lead acid storage battery pack and an external AC/DC module power supply to supply a DC/DC power supply, the input voltage within wide fluctuation range is converted to a stable power supply required by the system operation through a DC/DC power module; the photovoltaic input module is used for supplying the lead acid storage battery pack; the switch module is used for switching the power supplying mode of the system power supply; the switch module, the photovoltaic input module and the system power supply are connected with the central integrated processor; the central integrated processor is used for controlling the switch module to switch the power supplying mode of the system power supply into the power supplying mode of the lead acid storage battery pack or an external AC/DC power module. The photovoltaic controller has the advantages that solar energy is used for supplying when light energy is rich, and the commercial power is used for supplying when light energy is insufficient.
Description
Technical field
The utility model belongs to application of solar, is specifically related to a kind of controller of can automatically switch sun-generated electric power and mains supply powering load.
Background technology
In the present age of rapid economic development, the demand of electric energy is also more and more, the state of shortage of electric power often occurs.China is in the flat-bottomed land mostly, and light application time is long, and solar energy is abundant, and solar energy has been applied in many association areas.In photovoltaic generating system, lead-acid batteries is important part, and the charging modes of accumulators is particularly important, and the quality of charger has directly influenced the life-span and the service efficiency of battery.Traditional photovoltaic controller has possessed the tandem of utilization current chopping switch storage battery has been discharged and recharged, and to single electric, but solar energy is still unstable, and overcast and rainy when long (as surpassing more than 7 days) continuously, it is then unreliable only to rely on solar energy.Remove nonsystematic and disregard huge batteries of cost use and photovoltaic cell configuration.So in the application system that does not allow to cut off the power supply, need under the not enough situation of solar energy, switch to the civil power mode and power so that the power supply that provides steady in a long-term to be provided.
Summary of the invention
At problems of the prior art, the utility model provide a kind of under the abundant situation of luminous energy utilization solar powered, the controller of utilization mains-supplied under the situation of luminous energy deficiency.
The technical solution adopted in the utility model is as follows: a kind of photovoltaic controller with the civil power switching comprises system power supply, photovoltaic input module, central integrated processor and handover module:
System power supply adopts lead-acid batteries and external AC/DC modular power source duplicate supply to give the power supply of DC/DC power supply, makes the wide mobility scale voltage transformation of input become the required stable power of system works by the DC/DC power module;
The photovoltaic input module is used for powering to lead-acid batteries;
Handover module is used for the supply power mode of switched system power supply;
Handover module, photovoltaic input module and system power supply link to each other with central integrated processor, and central integrated processor is used to control handover module the supply power mode of system power supply is switched to lead-acid batteries power supply or external AC/DC power module supply power mode.
Central integrated processor in the photovoltaic controller that band civil power of the present utility model switches is the MCU controller.
Be provided with tandem current chopping N-MOSFET switch between photovoltaic input module in the photovoltaic controller that band civil power of the present utility model switches and the lead-acid batteries.
The utlity model has following beneficial effect:
1, the lead-acid batteries in the photovoltaic controller of the utility model band civil power switching adopts tandem current chopping mode control architecture, can obtain the pulsating current of stabilized frequency, pulsating current can disturb the concentration of the ionic charge around the pole plate, help the electric charge diffusion motion, make charging effect better.
2, the MCU in the photovoltaic controller of the utility model band civil power switching can detect the electric energy of lead-acid batteries, and when the lead-acid batteries electric energy was not enough, the control switch switched to the mains-supplied mode, avoided the load outage.
3, the MCU controller in the photovoltaic controller that switches of the utility model band civil power to lead-acid batteries carry out the phase I constant current, the second stage constant voltage subtracts stream, the control of charging of phase III step-down trickle mode can prolong the useful life of lead-acid batteries.
4, the MCU in the photovoltaic controller of the utility model band civil power switching detects the identification specification automatically to lead-acid batteries voltage, and carries out management of charging and discharging by the lead-acid batteries specification requirement.
Description of drawings
Fig. 1 switches the system block diagram of photovoltaic controller for the band civil power.
Embodiment
As shown in Figure 1, the photovoltaic controller of the utility model band civil power switching comprises MCU controller, photovoltaic input module, tandem current chopping N-MOSFET switch module, system power supply, two-way load control N-MOSFET switch module and handover module composition.Wherein the MCU controller is selected from the STC12 series processors.System power supply adopts lead-acid batteries and external AC/DC modular power source duplicate supply to give the power supply of DC/DC power supply.Photovoltaic panel in the photovoltaic input module is directly powered to the lead accumulator group by tandem current chopping N-MOSFET switch module; The DC power supply that obtains after lead accumulator group power supply and the rectification of external AC/DC modular power source process DC/DC power module, power supply in system's control is provided, provides stable working power for MCU control circuit, MOSFET drive circuit, switch module by power supply in system's control.The characteristics of DC/DC power module are that the wide mobility scale voltage of input (10V-45V) is transformed into system works required stable (two 15V, 5V) power supply.Again through two-way load control N-MOSFET switch and switch control two-way load output.
The photovoltaic input module also links to each other with the MCU controller with tandem current chopping N-MOSFET switch module, the MCU controller can carry out Charge Management to the electric energy of lead accumulator group, simultaneously, the MCU controller detects lead accumulator group electric energy in real time, when lead accumulator group electric energy was not enough, MCU controller control switch switched to the mains-supplied mode.When switching to the mains-supplied mode, the DC/DC power supply power supply that mains supply is given the MCU controller by the AC/DC power module is given two-way load output power supply by switch simultaneously.And the unlatching by the load of MCU controller control switch two-way or close.
The utility model adopts tandem current chopping N-MOSFET switch module that lead-acid batteries is charged, tandem current chopping mode control architecture can obtain the pulsating current of stabilized frequency, pulsating current can disturb the concentration of the ionic charge around the pole plate, help the electric charge diffusion motion, make charging effect better.
The utility model adopts the MCU controller that the charging that lead accumulator group implementation phase I constant current, second stage constant voltage subtract stream, phase III step-down trickle is controlled, to prolong the useful life of lead-acid batteries.
The utility model adopts lead accumulator group and external AC/DC modular power source duplicate supply to give the power supply of DC/DC power supply, make the wide mobility scale voltage of input (10V-45V) be transformed into required stable (the two 15V of system works by the DC/DC power module, 5V) power supply, the stability and the reliability of raising controller.
The utility model provides the load power source selection function, and it be preferential using lead accumulator group electric energy, and when lead accumulator group electric energy was not enough, the MCU controller was controlled switch and switched to the mains-supplied mode and continue as load power supply is provided.System's control and controller working method are not switched by switch to be influenced.
Claims (3)
1. photovoltaic controller that switches with civil power is characterized in that: comprise system power supply, photovoltaic input module, central integrated processor and handover module:
System power supply adopts lead-acid batteries and external AC/DC modular power source duplicate supply to give the power supply of DC/DC power supply, makes the wide mobility scale voltage transformation of input become the required stable power of system works by the DC/DC power module;
The photovoltaic input module is used for powering to lead-acid batteries;
Handover module is used for the supply power mode of switched system power supply;
Handover module, photovoltaic input module and system power supply link to each other with central integrated processor, and central integrated processor is used to control handover module the supply power mode of system power supply is switched to lead-acid batteries power supply or external AC/DC power module supply power mode.
2. the photovoltaic controller that band civil power as claimed in claim 1 switches, it is characterized in that: described central integrated processor is the MCU controller.
3. the photovoltaic controller that band civil power as claimed in claim 1 or 2 switches is characterized in that: be provided with tandem current chopping N-MOSFET switch between photovoltaic input module and the lead-acid batteries.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201971708U CN201509099U (en) | 2009-09-24 | 2009-09-24 | Photovoltaic controller capable of switching commercial power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201971708U CN201509099U (en) | 2009-09-24 | 2009-09-24 | Photovoltaic controller capable of switching commercial power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201509099U true CN201509099U (en) | 2010-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201971708U Expired - Fee Related CN201509099U (en) | 2009-09-24 | 2009-09-24 | Photovoltaic controller capable of switching commercial power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201509099U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102368633A (en) * | 2011-12-03 | 2012-03-07 | 南京普天大唐信息电子有限公司 | Solar energy and mains supply complementation controller |
| CN102853623A (en) * | 2011-06-27 | 2013-01-02 | 海信（北京）电器有限公司 | Multi-energy powered refrigerator and control method thereof |
| CN104767401A (en) * | 2015-04-24 | 2015-07-08 | 上海雷迅防雷技术有限公司 | Novel intelligent power source |
| CN105322646A (en) * | 2014-06-19 | 2016-02-10 | 广州市天源太阳能设备有限公司 | Solar inverter |
| CN109494866A (en) * | 2018-10-16 | 2019-03-19 | 江苏万邦微电子有限公司 | A kind of power-supply management system |
-
2009
- 2009-09-24 CN CN2009201971708U patent/CN201509099U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853623A (en) * | 2011-06-27 | 2013-01-02 | 海信（北京）电器有限公司 | Multi-energy powered refrigerator and control method thereof |
| CN102853623B (en) * | 2011-06-27 | 2015-10-28 | 海信（山东）冰箱有限公司 | Multiple-energy-source is for refrigerator and control method thereof |
| CN102368633A (en) * | 2011-12-03 | 2012-03-07 | 南京普天大唐信息电子有限公司 | Solar energy and mains supply complementation controller |
| CN102368633B (en) * | 2011-12-03 | 2015-06-24 | 南京普天大唐信息电子有限公司 | Solar energy and mains supply complementation controller |
| CN105322646A (en) * | 2014-06-19 | 2016-02-10 | 广州市天源太阳能设备有限公司 | Solar inverter |
| CN104767401A (en) * | 2015-04-24 | 2015-07-08 | 上海雷迅防雷技术有限公司 | Novel intelligent power source |
| CN109494866A (en) * | 2018-10-16 | 2019-03-19 | 江苏万邦微电子有限公司 | A kind of power-supply management system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100616 Termination date: 20120924 |