CN205544334U - Communication base grid -connected PV system - Google Patents
Communication base grid -connected PV system Download PDFInfo
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- CN205544334U CN205544334U CN201620357100.4U CN201620357100U CN205544334U CN 205544334 U CN205544334 U CN 205544334U CN 201620357100 U CN201620357100 U CN 201620357100U CN 205544334 U CN205544334 U CN 205544334U
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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 provides a communication base grid -connected PV system, including the photovoltaic module array, the power distribution module, municipality electric detection means, grid -connected inverter, DC DC rectifier module, the DC load, storage battery, AC DC rectifier module, contravariant module and alternating load, the power distribution module is connected to the photovoltaic module array, municipality electric detection means is connected respectively to the power distribution module, grid -connected inverter and DC DC rectifier module, municipality electric detection means, grid -connected inverter, the alternating load, AC DC rectifier module all connects the commercial power, DC DC rectifier module has a plurality ofly, the DC load, a DC connected respectively to storage battery and contravariant module DC rectifier module, the alternating load is still connected to the contravariant module, do the DC load and storage battery still connect AC DC rectifier module. Can let the photovoltaic system of suspended work continue to provide the electric energy for communication base after running into the mains failure on daytime, can lengthen basic station communications facilities's time of endurance, can additionally provide one grade of power supply guarantee for the basic station, reduce the battery loss.
Description
Technical field
This utility model relates to photovoltaic parallel in system, especially relevant with the structure of a kind of communication base station photovoltaic parallel in system.
Background technology
Conventional communication base station grid-connected photovoltaic system, due to the design reasons of system own, it is necessary to could work in the case of dependence civil power is online.When civil power power-off when, grid-connected photovoltaic system quits work therewith, and the set of cells by base station is the power supply that communications service continues to a period of time afterwards.If civil power power-off occurs by day, then out-of-work photovoltaic system, the energy that its photovoltaic module produces will all be slatterned.
Utility model content
This utility model provides a kind of communication base station photovoltaic parallel in system, solve above-mentioned prior art not enough, the photovoltaic system having timed out work can be allowed after running into mains failure on daytime to continue as communication base station electric energy is provided, the cruising time of base station communication equipment can be extended, can be that base station is additionally provided one grade of power supply guarantee, reduce battery loss.
In order to realize the purpose of this utility model, plan employing techniques below:
nullA kind of communication base station photovoltaic parallel in system，It is characterized in that，Including photovoltaic module array、Electric energy distribution module、City's electric detection means、Combining inverter、DC-DC rectification module、DC load、Accumulator battery、AC-DC rectification module、Inversion module and AC load，Photovoltaic module array connects electric energy distribution module，Electric energy distribution module connects city's electric detection means respectively、Combining inverter and DC-DC rectification module，City's electric detection means、Combining inverter、AC load、AC-DC rectification module is all connected with civil power，City's electric detection means is also connected with AC-DC rectification module and inversion module，DC-DC rectification module has multiple，DC load、Accumulator battery and inversion module connect a DC-DC rectification module respectively，Inversion module is also connected with AC load，DC load and accumulator battery are also connected with AC-DC rectification module，Wherein，Described electric energy distribution module，Signal according to city's electric detection means judges，The energy that photovoltaic module array produces is distributed to combining inverter or DC-DC rectification module.
Further, described DC load is base station communication equipment.
Further, described AC load includes air-conditioning, illuminator and air interchanger.
Further, described city electric detection means, for the detection online situation of civil power in real time, comprise voltage parameter, current parameters, frequency parameter, when city's electrical quantity is the most up to standard, send the signal to electric energy distribution module, AC-DC rectification module and inversion module.
Further, described DC-DC rectification module, the unstable 200V ~ 400V DC voltage produced by photovoltaic module array is converted to stable-48V DC voltage.
Further, described inversion module, the direct current energy of-48V provided by DC-DC rectification module is converted to the voltage of alternating current 220V/50HZ, powers for AC load.
Further, described AC-DC rectification module, be converted to civil power be available for DC load and the DC voltage of accumulator battery use.
Further, also including anti-isolated island device, described combining inverter, AC load, AC-DC rectification module all connect civil power by anti-isolated island device.
The beneficial effects of the utility model are:
The online situation of civil power can be detected in real time by city's electric detection means, comprise voltage parameter, current parameters, frequency parameter, when city's electrical quantity is the most up to standard, send the signal to electric energy distribution module；Electric energy distribution module judges according to the signal of city's electric detection means, and the energy that photovoltaic module array produces is distributed to combining inverter or DC-DC rectification module.Therefore; after running into city's electrical anomaly on daytime or having a power failure; the photovoltaic system having timed out work can be allowed to continue as communication base station electric energy is provided; the energy that i.e. photovoltaic module array produces will distribute to DC-DC rectification module; the cruising time of base station communication equipment can be extended; can be that base station is additionally provided one grade of power supply guarantee, reduce battery loss.
Accompanying drawing explanation
Fig. 1 shows structural representation of the present utility model.
Detailed description of the invention
As shown in Figure 1, a kind of communication base station photovoltaic parallel in system, including photovoltaic module array, electric energy distribution module, city's electric detection means, combining inverter, DC-DC rectification module, DC load, accumulator battery, AC-DC rectification module, inversion module and AC load.Concrete, described city electric detection means, for the detection online situation of civil power in real time, comprise voltage parameter, current parameters, frequency parameter, when city's electrical quantity is the most up to standard, send the signal to electric energy distribution module；Described DC-DC rectification module, the unstable 200V ~ 400V DC voltage produced by photovoltaic module array is converted to stable-48V DC voltage；Described inversion module, the direct current energy of-48V provided by DC-DC rectification module is converted to the voltage of alternating current 220V/50HZ, powers for AC load；Described AC-DC rectification module, is converted to civil power be available for DC load and the DC voltage of accumulator battery use；Described electric energy distribution module, judges according to the signal of city's electric detection means, the energy that photovoltaic module array produces is distributed to combining inverter or DC-DC rectification module；Described DC load is base station communication equipment.AC load includes air-conditioning, illuminator and air interchanger.Also including anti-isolated island device, described combining inverter, AC load, AC-DC rectification module all connect civil power by anti-isolated island device.
Wherein, photovoltaic module array connects electric energy distribution module, electric energy distribution module connects city's electric detection means, combining inverter and DC-DC rectification module respectively, city's electric detection means, combining inverter, AC load, AC-DC rectification module are all connected with civil power, city's electric detection means is also connected with AC-DC rectification module and inversion module, DC-DC rectification module has multiple, DC load, accumulator battery and inversion module connect a DC-DC rectification module respectively, inversion module is also connected with AC load, DC load and accumulator battery and is also connected with AC-DC rectification module.
In the case of civil power is normal, the energy that photovoltaic module array produces, it is input to combining inverter by electric energy distribution module, thus it is incorporated to civil power, it is the power supply of base station by civil power, concrete, civil power can directly be powered for AC load, and civil power is DC load by AC-DC rectification module and accumulator battery is powered.When city's electrical anomaly or power failure; market cannot be further continued for powering for base station; city's electric detection means distributes module, AC-DC rectification module and inversion module to electric energy and sends abnormal signal or power cut signal; AC-DC rectification module quits work; inversion module startup work; the energy that photovoltaic module array produces is distributed to DC-DC rectification module by electric energy distribution module, continues as DC load by DC-DC rectification module and accumulator battery is powered, and may also pass through inversion module simultaneously and continues as AC load and power.In this way, this utility model efficiently solves the deficiencies in the prior art, the photovoltaic parallel in system having timed out work can be allowed after running into mains failure on daytime to continue as communication base station electric energy is provided, the cruising time of base station communication equipment can be extended, can be that base station is additionally provided one grade of power supply guarantee, reduce battery loss.
Claims (8)
- null1. a communication base station photovoltaic parallel in system，It is characterized in that，Including photovoltaic module array、Electric energy distribution module、City's electric detection means、Combining inverter、DC-DC rectification module、DC load、Accumulator battery、AC-DC rectification module、Inversion module and AC load，Photovoltaic module array connects electric energy distribution module，Electric energy distribution module connects city's electric detection means respectively、Combining inverter and DC-DC rectification module，City's electric detection means、Combining inverter、AC load、AC-DC rectification module is all connected with civil power，City's electric detection means is also connected with AC-DC rectification module and inversion module，DC-DC rectification module has multiple，DC load、Accumulator battery and inversion module connect a DC-DC rectification module respectively，Inversion module is also connected with AC load，DC load and accumulator battery are also connected with AC-DC rectification module，Wherein，Described electric energy distribution module，Signal according to city's electric detection means judges，The energy that photovoltaic module array produces is distributed to combining inverter or DC-DC rectification module.
- Communication base station photovoltaic parallel in system the most according to claim 1, it is characterised in that described DC load is base station communication equipment.
- Communication base station photovoltaic parallel in system the most according to claim 1, it is characterised in that described AC load includes air-conditioning, illuminator and air interchanger.
- Communication base station photovoltaic parallel in system the most according to claim 1, it is characterized in that, described city electric detection means, for the detection online situation of civil power in real time, comprise voltage parameter, current parameters, frequency parameter, when city's electrical quantity is the most up to standard, send the signal to electric energy distribution module, AC-DC rectification module and inversion module.
- Communication base station photovoltaic parallel in system the most according to claim 1, it is characterised in that described DC-DC rectification module, the unstable 200V ~ 400V DC voltage produced by photovoltaic module array is converted to stable-48V DC voltage.
- Communication base station photovoltaic parallel in system the most according to claim 1, it is characterised in that described inversion module, the direct current energy of-48V provided by DC-DC rectification module is converted to the voltage of alternating current 220V/50HZ, powers for AC load.
- Communication base station photovoltaic parallel in system the most according to claim 1, it is characterised in that described AC-DC rectification module, is converted to civil power be available for DC load and the DC voltage of accumulator battery use.
- Communication base station photovoltaic parallel in system the most according to claim 1, it is characterised in that also include anti-isolated island device, described combining inverter, AC load, AC-DC rectification module all connect civil power by anti-isolated island device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620357100.4U CN205544334U (en) | 2016-04-26 | 2016-04-26 | Communication base grid -connected PV system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620357100.4U CN205544334U (en) | 2016-04-26 | 2016-04-26 | Communication base grid -connected PV system |
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| CN205544334U true CN205544334U (en) | 2016-08-31 |
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| CN201620357100.4U Active CN205544334U (en) | 2016-04-26 | 2016-04-26 | Communication base grid -connected PV system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149649A (en) * | 2018-10-18 | 2019-01-04 | 北京凯华网联新能源技术有限公司 | Base station photovoltaic based on alternating current-direct current input switch power supply is from grid-connected power supply system |
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2016
- 2016-04-26 CN CN201620357100.4U patent/CN205544334U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149649A (en) * | 2018-10-18 | 2019-01-04 | 北京凯华网联新能源技术有限公司 | Base station photovoltaic based on alternating current-direct current input switch power supply is from grid-connected power supply system |
| CN109149649B (en) * | 2018-10-18 | 2024-04-09 | 北京凯华网联技术有限公司 | Photovoltaic grid-connected power supply system for base station based on alternating current/direct current input switching power supply |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Sichuan new energy Polytron Technologies Inc Assignor: Sichuan Dongzheng Electronic Technology Co., Ltd. Contract record no.: 2017510000025 Denomination of utility model: Communication base grid -connected PV system Granted publication date: 20160831 License type: Common License Record date: 20170908 |
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| EE01 | Entry into force of recordation of patent licensing contract |