CN202940631U - Management and control device of solar photovoltaic power generation system - Google Patents
Management and control device of solar photovoltaic power generation system Download PDFInfo
- Publication number
- CN202940631U CN202940631U CN2012206474686U CN201220647468U CN202940631U CN 202940631 U CN202940631 U CN 202940631U CN 2012206474686 U CN2012206474686 U CN 2012206474686U CN 201220647468 U CN201220647468 U CN 201220647468U CN 202940631 U CN202940631 U CN 202940631U
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- electrically connected
- load
- storage battery
- module
- voltage detection
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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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Abstract
The utility model discloses a management and control device of a solar photovoltaic power generation system. The device comprises a photovoltaic module 1, the photovoltaic module 1 is electrically connected with a charging controller 2, the charging controller 2 is electrically connected with a voltage detection module 3 and a storage battery 10, the voltage detection module 3 is electrically connected with a low-voltage warning module 4 and a discharging controller 5, the low-voltage warning module 4 is electrically connected with a load 9, the discharging controller 5 is electrically connected an inverter 6, the inverter 6 is electrically connected with an alternating-current grid-connected cabinet 7, the alternating-current grid-connected cabinet 7 is connected with the load 9, the load 9 is electrically connected with a monitoring module 8, the monitoring module 8 is electrically connected with the discharging controller 5 and the alternating-current grid-connected cabinet 7, and the storage battery 10 is electrically connected with the voltage detection module 3 and the discharging controller 5. The utility model provides a solution for the problem that when the storage battery cannot be effectively supplemented with electric energy due to the influence of the weather on the photovoltaic module, the electric energy of the storage battery is consumed as the load is always communicated, which results in gradual decrease of the output voltage and even forced outrage of the load due to power shortage and the like.
Description
Technical field
The utility model belongs to high voltage electrical apparatus technical field, relates in particular to a kind of control device of solar photovoltaic generation system.
Background technology
Solar energy is as a kind of green clean energy resource, and its application has in recent years obtained develop rapidly, can be used as the power supply of equipment, instrument, also can be used for the productive life electricity consumption.Sun-generated electric power generally adopts the Power Management Design of light storage one, namely by the storage battery powering load, recycling solar energy charges a battery, it has outstanding advantages simple in structure, that travelling performance is good, for providing power supply, the flexible arrangement of load supports, as the power supply point of distributed power generation, the vast rural area that is particularly useful for disperseing; Yet solar photovoltaic generation system also usually can be subject to weather effect: if run into continuous rainy weather; photovoltaic module can't effectively carry out electric energy to storage battery and replenish; because of the storage battery self-capacity limited; and load can't be interrupted the consumption of electric energy; this situation is in case continue the long period; output voltage will descend gradually, even cause load to occur because of the situation of power supply deficiency forced outage when serious.
For this reason, the management and control of implementing solar photovoltaic generation system just seems particularly important, and the control device of a kind of solar photovoltaic generation system of research and development is extremely urgent.
Summary of the invention
The technical problems to be solved in the utility model: the control device that a kind of solar photovoltaic generation system is provided, be subject to the weather effect photovoltaic module and can't be effectively storage battery be carried out electric energy when replenishing to solve solar photovoltaic generation system, load is communicated with the battery consumption electric energy always, cause output voltage to descend gradually, even cause load because of problems such as power supply deficiency forced outages when serious.
Technical solutions of the utility model:
a kind of control device of solar photovoltaic generation system, it comprises photovoltaic module, load and storage battery, photovoltaic module is electrically connected to charge controller, charge controller is connected with storage battery with voltage detection module, voltage detection module is electrically connected to low pressure warning module and discharge controller, the low pressure warning module is electrically connected to load, discharge controller is electrically connected to inverter, inverter with exchange grid-connection cabinet and be electrically connected to, exchanging grid-connection cabinet is connected with load, load is electrically connected to monitoring modular, monitoring modular and discharge controller with exchange grid-connection cabinet and be electrically connected to, storage battery is electrically connected to voltage detection module and discharge controller.
The beneficial effects of the utility model:
The utility model is all selected the device of low-power consumption, in the situation that can satisfy the load normal operation, selected components and parts low in energy consumption are low in energy consumption, can reduce the power consumption of whole load, thereby correspondingly extend the service time of storage battery, the utility model advantage compared with the prior art has: it is charge in batteries that the utility model maximally utilises solar energy, make storage battery can be expeditiously load supplying, and the need for electricity of real-time response load, rationally for it provides power supply, for the normal operation that continues of load provides necessary support; Can accomplish anti-overcharge, prevented putting, the effect such as anti-reverse charging, anti-overflow, o-volt protection, voltage stabilizing, be conducive to prolonging service life of battery, provide power supply for load reliably; Can be in real time the operation conditions of storage battery be fed back to the user, when storage battery occurs continuing to charge or can send the low pressure early warning during other fault, so that the user in time safeguards storage battery; Reliable, technique is simple, and is convenient for production, cheap, can be used for small-sized solar power generation system, can promote degree high.The utility model is by voltage detection module Real-Time Monitoring accumulator electric-quantity, and in conjunction with the load power consumption level, thereby accurate management and control accumulator charging and discharging state cut-offs the power supply of load associated component selectively, realizing rational power distribution, high-quality, is load supplying efficiently; Having solved solar photovoltaic generation system is subject to the weather effect photovoltaic module and can't be effectively storage battery be carried out electric energy when replenishing, load is communicated with the battery consumption electric energy always, cause output voltage to descend gradually, even cause load because of problems such as power supply deficiency forced outages when serious.
Description of drawings:
Fig. 1 the utility model device connection diagram.
Embodiment:
﹠lt, b TranNum="77" ﹠gt, ﹠lt, / b ﹠gt, a kind of control device of solar photovoltaic generation system, it comprises photovoltaic module 1, load 9 and storage battery 10, photovoltaic module 1 is electrically connected to charge controller 2, charge controller 2 is electrically connected to voltage detection module 3 and storage battery 10, voltage detection module 3 is electrically connected to low pressure warning module 4 and discharge controller 5, low pressure warning module 4 is electrically connected to load 9, discharge controller 5 is electrically connected to inverter 6, inverter 6 with exchange grid-connection cabinet 7 and be electrically connected to, exchanging grid-connection cabinet 7 is connected with load 9, load 9 is electrically connected to monitoring modular 8, monitoring modular 8 and discharge controller 5 with exchange grid-connection cabinet 7 and be electrically connected to, storage battery 10 is electrically connected to voltage detection module 3 and discharge controller 5.
Operation principle of the present utility model is:
Elaborate below in conjunction with 1 pair of the utility model of accompanying drawing.
As shown in Figure 1, the utility model comprises charge controller 2, voltage detection module 3, and low pressure warning module 4, discharge controller 5, inverter 6 exchanges grid-connection cabinet, and 7, monitoring modular 8.The annexation of each parts is as follows:
The port of charge controller 2
, port
Respectively with port I, the port of photovoltaic module 1
Connect; The port of charge controller 2
With storage battery 10 ports
Connect; The port of charge controller 2
Port with voltage detection module 3
Connect; The port of voltage detection module 3
Port with low pressure warning module 4
The port of connection, voltage detection module 3
Port with discharge controller 5
The port of connection, voltage detection module 3
Port with storage battery 10
Connect; The port of low pressure warning module 4
Port with load 9
Connect; The port of discharge controller 5
Port with inverter 6
The port of connection, discharge controller 5
Port with monitoring modular 8
The port of connection, discharge controller 5
Port with storage battery 10
Connect; Exchange grid-connection cabinet 7 port
Port with inverter 6
Connect, exchange the port of grid-connection cabinet 7
Port with monitoring modular 8
Connect, exchange grid-connection cabinet 7 port
Port with load 9
Connect; The port of monitoring modular 8
Port with load 9
Connect.
The voltage of the storage battery 10 that charge controller 2 detects according to voltage detection module 3 judges whether to utilize photovoltaic module 1 to charge through 2 pairs of storage batterys 10 of charge controller.Be provided with the over-charge protective function in charge controller 2, in conjunction with the battery tension that voltage detection module 3 detects, judge whether to stop charging, thereby prevent that effectively the situation that storage battery overcharges from occuring.
The voltage that voltage detection module 3 detects storage battery 10 lower than rated voltage 30% the time, start low pressure warning module 4, and early warning information is sent to load 9, thus can the early warning information of storage battery be conveyed to relevant operations staff through load 9, so that the operations staff safeguards storage battery immediately.
The voltage of the storage battery 10 that discharge controller 5 detects according to voltage detection module 3, in conjunction with the demand of the power supply supply of monitoring modular 8 load that monitors 9, judge whether load 9 is powered.When load 9 quits work, do not need power supply for seasonable, the utility model can automatically switch to resting state, in case monitoring modular 8 detects the signal that load 9 needs startup, just switches to normal operating conditions.Be provided with overcurrent protection in discharge controller 5, to prevent that the large electric current of the generations such as short circuit damages storage battery because of load 9 lightning strikes.
Inverter 6 can boost according to the direct current that storage battery transmits and be reverse into alternating current, and the voltage of guarantee the supply load 9 is in admissible working range and in frequency, to guarantee its normal operation.
Exchange the running status of the load 9 that grid-connection cabinet 7 monitors according to monitoring modular 8, thereby determine its power supply requirement, reasonably switch and power distribution, with the normal operation of proof load 9 thereupon.
Claims (1)
1. the control device of a solar photovoltaic generation system, it comprises photovoltaic module (1), load (9) and storage battery (10), it is characterized in that: photovoltaic module (1) is electrically connected to charge controller (2), charge controller (2) is electrically connected to voltage detection module (3) and storage battery (10), voltage detection module (3) is electrically connected to low pressure warning module (4) and discharge controller (5), low pressure warning module (4) is electrically connected to load (9), discharge controller (5) is electrically connected to inverter (6), inverter (6) with exchange grid-connection cabinet (7) and be electrically connected to, exchanging grid-connection cabinet (7) is connected with load (9), load (9) is electrically connected to monitoring modular (8), monitoring modular (8) and discharge controller (5) with exchange grid-connection cabinet (7) and be electrically connected to, storage battery (10) is electrically connected to voltage detection module (3) and discharge controller (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206474686U CN202940631U (en) | 2012-11-30 | 2012-11-30 | Management and control device of solar photovoltaic power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206474686U CN202940631U (en) | 2012-11-30 | 2012-11-30 | Management and control device of solar photovoltaic power generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202940631U true CN202940631U (en) | 2013-05-15 |
Family
ID=48324854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206474686U Expired - Fee Related CN202940631U (en) | 2012-11-30 | 2012-11-30 | Management and control device of solar photovoltaic power generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202940631U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106788214A (en) * | 2016-11-16 | 2017-05-31 | 深圳市金光能太阳能有限公司 | A kind of solar energy off-network mini-system |
| CN113098038A (en) * | 2021-04-06 | 2021-07-09 | 中国电建集团贵州电力设计研究院有限公司 | Photovoltaic hydrogen production energy storage system and energy storage method |
-
2012
- 2012-11-30 CN CN2012206474686U patent/CN202940631U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106788214A (en) * | 2016-11-16 | 2017-05-31 | 深圳市金光能太阳能有限公司 | A kind of solar energy off-network mini-system |
| CN113098038A (en) * | 2021-04-06 | 2021-07-09 | 中国电建集团贵州电力设计研究院有限公司 | Photovoltaic hydrogen production energy storage system and energy storage method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130515 Termination date: 20141130 |
|
| EXPY | Termination of patent right or utility model |