CN202259363U - Intelligent terminal box - Google Patents
Intelligent terminal box Download PDFInfo
- Publication number
- CN202259363U CN202259363U CN2011203387944U CN201120338794U CN202259363U CN 202259363 U CN202259363 U CN 202259363U CN 2011203387944 U CN2011203387944 U CN 2011203387944U CN 201120338794 U CN201120338794 U CN 201120338794U CN 202259363 U CN202259363 U CN 202259363U
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- Prior art keywords
- module
- intelligent terminal
- terminal box
- maximum power
- power point
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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
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Abstract
The utility model provides an intelligent terminal box. The intelligent terminal box comprises a power optimizing device, wherein the power optimizing device comprises an intelligent detection module, a maximum power point obtaining module, a current adjustment module and a control module; the control module is connected with the intelligent detection module; a control subassembly is respectively connected with the maximum power point obtaining module and the current adjustment module; and the control subassembly is used for controlling the maximum power point obtaining module and the current adjustment module to work. The intelligent terminal box has the advantages that the output power of a photovoltaic generation system is maximized and the high energy use ratio of the photovoltaic generation system is ensured.
Description
Technical field
The utility model relates to field of photovoltaic power generation, relates in particular to the maximized intelligent terminal box of a kind of realization generated output.
Background technology
Solar module is generally arranged through series system by some battery sheets and is formed with the compacting of encapsulating material lamination; Exit is with waterproof junction box and stube cable and plug, and main stube cable and the adjacent cell panel of leaning on is cascaded between two cell panels.
Yet; Traditional intelligent terminal box all is that passive type receives solar energy and electric energy is exported electric energy through the terminal box connected mode, because the moment of intensity of illumination changes, the power output of whole intelligent terminal box is also changing constantly; Moreover; Because battery panel components comprises several cell panels and forms, in the middle of the solar panel operation of reality usually because various shades block or other factors cause its output current sharply to descend, owing to be to be connected in series between the cell panel; So this certainly will cause the electric current of whole whole crosstalk pond assembly to descend, thereby cause the power output of whole crosstalk pond assembly to reduce a lot.
The utility model content
The purpose of the utility model is to provide a kind of intelligent terminal box, can realize battery panel components power output maximization, and can when cell panel receives shade and blocks, can retrieve because shade blocks the cell panel power output that exerts an influence as far as possible.
For realizing above-mentioned utility model purpose, the utility model adopts following technical scheme:
A kind of intelligent terminal box, said intelligent terminal box comprises the power optimization device, the said power optimization device of stating comprises:
The Intelligent Measurement module is used to detect work state information on the cell panel;
The maximum power point acquisition module is used for drawing the voltage of the maximum power point of battery sheet with adjusting through the special algorithm calculating of sampling;
Current regulating module when the part cell panel is blocked in the battery panel components, is used to regulate being blocked the electric current of cell panel to promote the electric current of integral battery door board component;
Control module; Be connected with said Intelligent Measurement module; Receive the detected work state information of said Intelligent Measurement module; Said control assembly also is connected with current regulating module with said maximum power point acquisition module respectively, and when all cell panels were in proper working order, said control assembly started said maximum power point acquisition module and carries out work; When the part cell panel was blocked in the battery panel components, said control assembly started said maximum power point acquisition module simultaneously and current regulating module is carried out work.
As the further improvement of the utility model, said work state information comprises voltage and current.
As the further improvement of the utility model, be connected through wireless mode between said control module and the said maximum power point acquisition module.
As the further improvement of the utility model, be connected through wireless mode between said control module and the said current regulating module.
As the further improvement of the utility model, said wireless mode comprise REID (Radio Frequency Identification, RFID).
As the further improvement of the utility model, be connected through power carrier between said control module and the said maximum power point acquisition module.
As the further improvement of the utility model, be connected through power carrier between said control module and the said current regulating module.
Compared with prior art; The intelligent terminal box of the utility model is received as active control through having designed a kind of power optimization device to become passive type; Make the power output of battery panel components maximize on the one hand; Can when cell panel receives shade and blocks, can retrieve on the other hand as far as possible, guarantee that the energy utilization rate of whole system is higher because shade blocks the cell panel power output that exerts an influence.
Description of drawings
Fig. 1 is the module diagram of power optimization device in the intelligent terminal box of an execution mode of the utility model;
Fig. 2 is the I/V working curve sketch map of battery panel components of an execution mode of the utility model.
Embodiment
Below will combine embodiment shown in the drawings that the utility model is described in detail.But these execution modes do not limit the utility model, and the conversion on the structure that those of ordinary skill in the art makes according to these execution modes, method or the function all is included in the protection range of the utility model.
As shown in Figure 1; In the utility model one execution mode; In photovoltaic power generation technology; Need be provided with the battery chip module that includes some battery sheets and be connected in the intelligent terminal box between the battery sheet, said intelligent terminal box also comprises the power optimization device, and said power optimization device comprises Intelligent Measurement module 10, maximum power point acquisition module 20, current regulating module 30 and control module 40.
Wherein, said Intelligent Measurement module 10 is used to detect work state information on the cell panel; Said Intelligent Measurement module 10 can be the work state information that collects automatically on the cell panel of current correspondence, in order to the working condition of constantly following the trail of cell panel, and in time notes abnormalities.Preferably, said work state information comprises output voltage information and the output current information on the cell panel, and this module detects information of voltage and current information on the said cell panel to draw an I/V working curve about cell panel.
Wherein, said maximum power point acquisition module 20 is used for drawing the voltage of the maximum power point of battery sheet with adjusting through the special algorithm calculating of sampling; As shown in Figure 2; On the I/V of cell panel working curve, include three power points P1, P2 and P3; Magnitude of voltage and the current value of the respectively corresponding cell panel of each power points when certain operating state, particularly, at the P1 point corresponding to magnitude of voltage v1 and current value i1; At the P2 point corresponding to magnitude of voltage v2 and current value i2, at the P3 point corresponding to magnitude of voltage v3 and current value i3.Said maximum power point acquisition module 20 is according to specific MPPT algorithm, adopts and obtains the position of the maximum power point on the I/V curve, and draw the corresponding voltage value with said maximum power point, and carry out the output of electric power with this magnitude of voltage.In this execution mode, be three power points of continuous sampling as if P1, P2, P3, if the corresponding performance number maximum of P2 of sampling so and drawing, just confirm that the maximum power point of said cell panel is P2, the output voltage of correspondence is v2; If the performance number that the P1 that sampling draws is corresponding is maximum, so just at the sampling voltage v1 bigger magnitude of voltage more corresponding than the P1 point; If the performance number that the P3 that sampling draws is corresponding is maximum, so just at the sampling voltage v3 littler magnitude of voltage more corresponding than the P3 point; Adopt this maximum power point acquisition module, can guarantee constantly that intelligent terminal box carries out electric power output, the energy utilization rate of elevator system as far as possible with the power output of maximum.
Wherein, said current regulating module 30 is used for when battery panel components part cell panel is blocked, and the electric current of regulating the cell panel that is blocked is to promote the electric current of integral battery door board component; Preferably, this module adopts a DC-DC power optimization device to accomplish corresponding function.When having the part cell panel to be blocked in the battery panel components or other reasons when causing its output current to decline to a great extent by object; Because the some cell panels on the battery panel components are through being connected in series; So when the electric current of the cell panel that part is blocked descends, can cause the whole power output of whole crosstalk pond board component to reduce a lot.The voltage that this moment, said current regulating module 30 just can the said cell panel that is blocked of corresponding adjusting; Adjust electric current indirectly to promote the output current value of entire cell board component, the power output of the integral battery door board component that causes because of the decline of the output current of individual cell plate with compensation.
Wherein, in this execution mode, said control module 40 is connected with said Intelligent Measurement module 10; Receive said Intelligent Measurement module 10 detected work state informations, said control module 40 also is connected with current regulating module 30 with said maximum power point acquisition module 20 respectively, preferably; In this execution mode; Being connected between said control module 40 and said maximum power point acquisition module 20 and the current regulating module 30 can be wireless connections, also can be wired connection, more preferably; Said wireless connections can be REID (Radio Frequency Identification, RFID); Said wired connection can be the power carrier mode and connects.
In this execution mode; When all cell panels are in proper working order; Promptly do not occur causing the phenomenon of whole power output decline because of the individual cell plate is blocked, 40 of said control modules need to start said maximum power point acquisition module 20 carry out work, particularly; Intelligent Measurement module 10 detects the I/V working curve of battery panel components; This I/V working curve is sent to control module 40, and said control module starts maximum power point acquisition module 20 according to predetermined MPPT algorithm after receiving the I/V working curve, and maximum power point acquisition module 20 is got point sampling on said I/V curve; And calculate the corresponding voltage value of power maximum point, and with this voltage output power; When the part cell panel is blocked in the battery panel components; 40 need of said control module start said maximum power point acquisition module 20 simultaneously and carry out work with current regulating module 30; Particularly; Intelligent Measurement module 10 detects the I/V working curve of battery panel components, and this I/V working curve is sent to control module 40, and said control module starts maximum power point acquisition module 20 according to predetermined MPPT algorithm after receiving the I/V working curve also starting current corresponding adjustment module 30 simultaneously carries out work; When regulating the crosstalk stream of integral battery door board component; Constantly on said I/V curve, get point sampling, and calculate the corresponding voltage value of power maximum point through maximum power point acquisition module 20, and with this voltage output power; Retrieve because shade blocks the cell panel power output that exerts an influence as far as possible, guarantee that the energy utilization rate of whole system is higher.
The intelligent terminal box of the utility model is received as active control through having designed a kind of power optimization device to become passive type; Make the power output of battery panel components maximize on the one hand; Can when cell panel receives shade and blocks, can retrieve on the other hand as far as possible, guarantee that the energy utilization rate of whole system is higher because shade blocks the cell panel power output that exerts an influence.
Be to be understood that; Though this specification is described according to execution mode; But be not that each execution mode only comprises an independently technical scheme, this narrating mode of specification only is for clarity sake, and those skilled in the art should make specification as a whole; Technical scheme in each execution mode also can form other execution modes that it will be appreciated by those skilled in the art that through appropriate combination.
The listed a series of detailed description of preceding text only is specifying to the feasibility execution mode of the utility model; They are not the protection range in order to restriction the utility model, allly do not break away from equivalent execution mode or the change that the utility model skill spirit done and all should be included within the protection range of the utility model.
Claims (7)
1. an intelligent terminal box is characterized in that, said intelligent terminal box comprises the power optimization device, and said power optimization device comprises:
The Intelligent Measurement module is used to detect work state information on the cell panel;
The maximum power point acquisition module is used for drawing the voltage of the maximum power point of battery sheet with adjusting through the special algorithm calculating of sampling;
Current regulating module when the part cell panel is blocked in the battery panel components, is used to regulate being blocked the electric current of cell panel to promote the electric current of integral battery door board component;
Control module; Be connected with said Intelligent Measurement module; Receive the detected work state information of said Intelligent Measurement module; Said control assembly also is connected with current regulating module with said maximum power point acquisition module respectively, and when all cell panels were in proper working order, said control assembly started said maximum power point acquisition module and carries out work; When the part cell panel was blocked in the battery panel components, said control assembly started said maximum power point acquisition module simultaneously and current regulating module is carried out work.
2. intelligent terminal box as claimed in claim 1 is characterized in that said work state information comprises voltage and current.
3. intelligent terminal box as claimed in claim 1 is characterized in that, is connected through wireless mode between said control module and the said maximum power point acquisition module.
4. intelligent terminal box as claimed in claim 1 is characterized in that, is connected through wireless mode between said control module and the said current regulating module.
5. like claim 3 or 4 described intelligent terminal boxes, it is characterized in that, said wireless mode comprise REID (Radio Frequency Identification, RFID).
6. intelligent terminal box as claimed in claim 1 is characterized in that, is connected through power carrier between said control module and the said maximum power point acquisition module.
7. intelligent terminal box as claimed in claim 1 is characterized in that, is connected through power carrier between said control module and the said current regulating module.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2011203387944U CN202259363U (en) | 2011-09-09 | 2011-09-09 | Intelligent terminal box |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN2011203387944U CN202259363U (en) | 2011-09-09 | 2011-09-09 | Intelligent terminal box |
Publications (1)
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CN202259363U true CN202259363U (en) | 2012-05-30 |
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CN2011203387944U Expired - Fee Related CN202259363U (en) | 2011-09-09 | 2011-09-09 | Intelligent terminal box |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103000720A (en) * | 2011-09-09 | 2013-03-27 | 苏州快可光伏电子股份有限公司 | Smart connecting box |
-
2011
- 2011-09-09 CN CN2011203387944U patent/CN202259363U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103000720A (en) * | 2011-09-09 | 2013-03-27 | 苏州快可光伏电子股份有限公司 | Smart connecting box |
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Date | Code | Title | Description |
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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: 20120530 Termination date: 20140909 |
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EXPY | Termination of patent right or utility model |