CN207967958U - A kind of multi-functional grid-connection control device of distributed photovoltaic power generation - Google Patents
A kind of multi-functional grid-connection control device of distributed photovoltaic power generation Download PDFInfo
- Publication number
- CN207967958U CN207967958U CN201820519362.5U CN201820519362U CN207967958U CN 207967958 U CN207967958 U CN 207967958U CN 201820519362 U CN201820519362 U CN 201820519362U CN 207967958 U CN207967958 U CN 207967958U
- Authority
- CN
- China
- Prior art keywords
- box body
- control box
- waterproof terminal
- power generation
- photovoltaic power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
-
- 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
-
- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Photovoltaic Devices (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The utility model discloses a kind of multi-functional grid-connection control devices of distributed photovoltaic power generation, including the control box body that bottom surface is hollow, and the control box body top surface has been made into integration convex storehouse, and the control box body inside bottom surface has been made into integration interior gear edge；The control box body underrun bolt is equipped with cover board；The cover board top surface has been bolted string type photovoltaic DC-to-AC converter；The cover board top surface is fixed with switching switch by bearing, and master control borad is equipped on the inside of the convex storehouse；The control box body side is provided with direct current input waterproof terminal and charging waterproof terminal；The control box body is equipped with face side in direct current input waterproof terminal and exchanges output waterproof terminal and electric energy detection waterproof terminal；The multi-functional grid-connection control device of distributed photovoltaic power generation of the utility model, simple in structure, functional diversities, during electric energy can be connected to the grid well.
Description
Technical field
The utility model is related to a kind of solar grid-connected components, and in particular to a kind of distributed photovoltaic power generation is multi-functional grid-connected
Control device belongs to solar grid-connected component technology field.
Background technology
Solar energy is able to study and utilize in various countries, and solar power system is reliable with its powered stable, easy for installation, behaviour
The features such as work, maintenance are simple, good appearance, service life is long just gradually becomes from the supplement energy in whole world extensive use
Alternative energy source；Solar power system includes controller, inverter and photovoltaic application device；Solar grid-connected electricity generation system will too
Sun can be converted into electric energy production electric current, then by connector and gird-connected inverter, electric energy be served power grid, due to not needing electric power storage
Pond, cost is lower, system operation longer life expectancy, and remote monitoring can be carried out in operational process, is guarded without personnel, saves
Manpower；Generate electricity by way of merging two or more grid systems and have become one of the effective way of present large-scale application solar energy, reduce pollution, it is energy saving,
Environmental protection etc. will also bring imponderable social benefit；The controller type of existing solar grid-connected system is numerous
It is more, such as Chinese Patent Application No.：200920286292.4 disclosing a kind of solar grid-connected controller, including including installing bottom
Plate, and the receiving control module mating with mounting base control box, the control box is installed on installation by fastener
On bottom plate；The side of the control box box body is provided with cable interface and 458 interfaces；Made of being arranged by the utility model
Solar grid-connected controller, it is simple in structure, it is convenient and practical, external component on the one hand can be added, controller performance is improved；It is another
Aspect, can the more intuitive timely parameter for clearly reflecting controller；But it has a single function, and can not be well adapted for distribution
Photovoltaic power generation grid-connecting system.
Invention content
A kind of in order to solve the above problems, the utility model proposes multi-functional grid-connection control device of distributed photovoltaic power generation,
It is simple in structure, functional diversities, during electric energy can be connected to the grid well.
The multi-functional grid-connection control device of distributed photovoltaic power generation of the utility model, including control box body that bottom surface is hollow,
The control box body top surface has been made into integration convex storehouse, and the control box body inside bottom surface has been made into integration interior gear edge；The control
Box bottom is equipped with cover board by bolt；The cover board top surface has been bolted string type photovoltaic DC-to-AC converter；The lid
Plate top surface is fixed with switching switch by bearing, and master control borad is equipped on the inside of the convex storehouse；The control box body side is provided with
Direct current inputs waterproof terminal and charging waterproof terminal；The control box body inputs waterproof terminal in direct current and face side is equipped with
Exchange output waterproof terminal and electric energy detection waterproof terminal；It is defeated that the direct current input waterproof terminal output end is connected to switching switch
Enter end；Two output end of switching switch is connected respectively to string type photovoltaic DC-to-AC converter and DC-DC module, the string type photovoltaic
Inverter output end is connected to exchange output waterproof terminal；The DC-DC module output end is connected to charging waterproof terminal；It is described
Electric energy detection waterproof terminal is connected to electric energy detection module；The electric energy detection module, switching switch and string type photovoltaic inversion
Device is each coupled electrically to master control borad, and by charging, waterproof terminal can be powered to household batteries group, meanwhile, pass through electric energy detection module
Current capacities are detected, after its completion charging, the electric energy on DC bus is passed through string type light by controller control switching switch
Volt inverter is incorporated into power grid, and string type photovoltaic DC-to-AC converter accommodation is wide, can be received each photovoltaic of distributed photovoltaic and be passed
The multiple fluctuation electric energy entered, and be converted into alternating current and be passed to the cities Hu Wanghuo net.
As preferred embodiment, the control box body outside bottom surface has been made into integration bolt block.
As preferred embodiment, the direct current input waterproof terminal is connected to solar energy tabula rasa.
As preferred embodiment, sealing ring is provided between interior gear edge and the cover board.
As preferred embodiment, the convex storehouse outer top surface has been made into integration heat radiating fin group.
Compared with prior art, the multi-functional cutting-in control dress of the distributed photovoltaic power generation of the utility model
It sets, electric energy can be stored in accumulator, and feed back in power grid in peak times of power consumption, extra electric energy can be fed directly to family net
Or in city's net, power grid pressure can be mitigated well.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model.
Specific implementation mode
The multi-functional grid-connection control device of distributed photovoltaic power generation as shown in Figure 1, including control box body 1 that bottom surface is hollow,
1 top surface of control box body has been made into integration convex storehouse 2, and 1 inside bottom surface of control box body has been made into integration interior gear along 3；It is described
Control 1 underrun bolt of box body is equipped with cover board 4；4 top surface of the cover board has been bolted string type photovoltaic DC-to-AC converter
5；4 top surface of the cover board is fixed with switching switch 7 by bearing 6, and 2 inside of the convex storehouse is equipped with master control borad 8；The control box
1 side of body is provided with direct current input waterproof terminal 9 and charging waterproof terminal 10；The control box body 1 inputs anti-water end (W.E.) in direct current
Son 9 is equipped with face side exchanges output waterproof terminal 11 and electric energy detection waterproof terminal 12；The direct current inputs anti-water end (W.E.)
Sub 9 output ends are connected to switching 7 input terminal of switch；Described 7 liang of output ends of switching switch are connected respectively to string type photovoltaic inversion
Device 5 and DC-DC module 13,5 output end of string type photovoltaic DC-to-AC converter are connected to exchange output waterproof terminal 11；The DC-
13 output end of DC modules is connected to charging waterproof terminal 10；The electric energy detection waterproof terminal 12 is connected to electric energy detection module
14；The electric energy detection module 14, switching switch 7 and string type photovoltaic DC-to-AC converter 5 are each coupled electrically to master control borad 8, pass through charging
Waterproof terminal can power to household batteries group, meanwhile, current capacities are detected by electric energy detection module, when its completion charging
Afterwards, the electric energy on DC bus is incorporated by string type photovoltaic DC-to-AC converter in power grid by controller control switching switch, string formation
Formula photovoltaic DC-to-AC converter accommodation is wide, can receive the incoming multiple fluctuation electric energy of each photovoltaic of distributed photovoltaic, and be converted into
Alternating current is passed to the cities Hu Wanghuo net.
In another embodiment, 1 outside bottom surface of control box body has been made into integration bolt block 15, can be pacified by bolt
It is attached to indoor or outdoor.
In another embodiment, the direct current input waterproof terminal 9 is connected to solar energy tabula rasa.
In another embodiment, the interior gear is provided with sealing ring 16 between 3 and cover board 4.
In another embodiment, 2 outer top surface of convex storehouse has been made into integration heat radiating fin group 17.
Above-described embodiment is only the better embodiment of the utility model, therefore all according to the utility model patent application range
The equivalent change or modification that the structure, feature and principle is done, is included in the scope of the utility model patent application.
Claims (5)
1. a kind of multi-functional grid-connection control device of distributed photovoltaic power generation, it is characterised in that：Including the hollow control box body in bottom surface
（1）, the control box body（1）Top surface has been made into integration convex storehouse（2）, the control box body（1）In inside bottom surface has been made into integration
Keep off edge（3）；The control box body（1）Underrun bolt is equipped with cover board（4）；The cover board（4）Top surface is bolted
There is string type photovoltaic DC-to-AC converter（5）；The cover board（4）Top surface passes through bearing（6）It is fixed with switching switch（7）, the convex storehouse（2）
Inside is equipped with master control borad（8）；The control box body（1）Side is provided with direct current input waterproof terminal（9）With the anti-water end (W.E.) that charges
Son（10）；The control box body（1）Waterproof terminal is inputted in direct current（9）It is equipped with face side and exchanges output waterproof terminal
（11）With electric energy detection waterproof terminal（12）；The direct current inputs waterproof terminal（9）Output end is connected to switching switch（7）Input
End；The switching switch（7）Two output ends are connected respectively to string type photovoltaic DC-to-AC converter（5）And DC-DC module（13）, described group
String data photovoltaic DC-to-AC converter（5）Output end is connected to exchange output waterproof terminal（11）；The DC-DC module（13）Output end connects
To charging waterproof terminal（10）；The electric energy detection waterproof terminal（12）It is connected to electric energy detection module（14）；The electric energy inspection
Survey module（14）, switching switch（7）With string type photovoltaic DC-to-AC converter（5）It is each coupled electrically to master control borad（8）.
2. the multi-functional grid-connection control device of distributed photovoltaic power generation according to claim 1, it is characterised in that：The control
Box body outside bottom surface has been made into integration bolt block（15）.
3. the multi-functional grid-connection control device of distributed photovoltaic power generation according to claim 1, it is characterised in that：The direct current
Input waterproof terminal（9）It is connected to solar energy tabula rasa.
4. the multi-functional grid-connection control device of distributed photovoltaic power generation according to claim 1, it is characterised in that：The interior gear
Edge（3）And cover board（4）Between be provided with sealing ring（16）.
5. the multi-functional grid-connection control device of distributed photovoltaic power generation according to claim 1, it is characterised in that：The convex storehouse
（2）Outer top surface has been made into integration heat radiating fin group（17）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820519362.5U CN207967958U (en) | 2018-04-12 | 2018-04-12 | A kind of multi-functional grid-connection control device of distributed photovoltaic power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820519362.5U CN207967958U (en) | 2018-04-12 | 2018-04-12 | A kind of multi-functional grid-connection control device of distributed photovoltaic power generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207967958U true CN207967958U (en) | 2018-10-12 |
Family
ID=63727712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820519362.5U Expired - Fee Related CN207967958U (en) | 2018-04-12 | 2018-04-12 | A kind of multi-functional grid-connection control device of distributed photovoltaic power generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207967958U (en) |
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2018
- 2018-04-12 CN CN201820519362.5U patent/CN207967958U/en not_active Expired - Fee Related
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| 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: 20181012 Termination date: 20190412 |
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| CF01 | Termination of patent right due to non-payment of annual fee |