CN205176723U - Photovoltaic module battery tandem intelligent optimization ware - Google Patents
Photovoltaic module battery tandem intelligent optimization ware Download PDFInfo
- Publication number
- CN205176723U CN205176723U CN201521013449.8U CN201521013449U CN205176723U CN 205176723 U CN205176723 U CN 205176723U CN 201521013449 U CN201521013449 U CN 201521013449U CN 205176723 U CN205176723 U CN 205176723U
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- maximum power
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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 photovoltaic module battery tandem intelligent optimization ware, at least, including two way maximum power point tracking circuits, every way maximum power point tracking circuit includes two input terminals, and concatenate continuous circuit switch pipe and circuit inductance, the input of an input connecting circuit switch tube of every way maximum power point tracking circuit, anodal or the output negative pole of output is connected to another input, and through the output of switching diode with the circuit switch pipe, the input of circuit inductance links to each other, the positive output terminal of the anodal connection of output of first via MPPT circuit, the output negative pole of MPPT circuit passes through current sample ware connection burden output terminal all the way at last, the output positive pole of all the other adjacent two way maximum power point tracking circuits links to each other with the output negative pole, the control input end of circuit switch pipe links to each other with the output of controller. The utility model discloses photovoltaic module's hot spot inefficacy risk can be reduced, the biggest electric energy of every battery cluster homoenergetic output of photovoltaic module is made.
Description
Technical field
The utility model relates to a kind of battery and connects optimized circuit, particularly relates to a kind of photovoltaic module battery tandem intelligent optimizer.
Background technology
Sun power industry is as a kind of low-carbon (LC) regenerative resource, just worldwide flourish, and various countries' installation increases year by year.In photovoltaic system, photovoltaic module is most important core component, carries the function being converted to electric energy by luminous energy.At present, for avoiding " hot spot effect " of photovoltaic module, generally carry out bypass protection to the battery strings of photovoltaic module, when the battery strings of photovoltaic module is bypassed protection, the battery strings of this photovoltaic module will not produce any electric energy, cause energy dissipation.
In photovoltaic generating system, generally select the photovoltaic module that performance is consistent to pass through string, mode in parallel is formed, the principle of photovoltaic module not crested as far as possible will be followed when system, but in reality, unavoidably there is the situation of photovoltaic module crested in photovoltaic generating system, even if selected the photovoltaic module that consistance is good, but because the cause that photovoltaic module is aging also will cause photovoltaic module output inconsistent, for this reason, MPPT maximal power tracing function is all provided with in general photovoltaic system, be operated on maximum power point in the hope of photovoltaic generating system, systems generate electricity amount is made to reach maximum.Usually because photovoltaic generating system is huge, system MPPT maximal power tracing function can not find maximum power point very soon, and, easily produce erroneous judgement, namely do not find the maximum power point that photovoltaic generating system is real.Be provided with MPPT maximum power tracing function in the battery strings of photovoltaic module, photovoltaic generating system can be made also to find rapidly the maximum power point of system exactly.
When some photovoltaic modulies are subject to blocking, due to the series connection of battery strings, when certain part of an assembly is subject to blocking, whole photovoltaic module generating all can be subject to extreme influence, and the test that National Semiconductor laboratory is collected and site test all demonstrate this problem.Current solution is when assembly has partial occlusion, by bypass diode, the battery strings of being blocked is carried out short circuit, will greatly reduce single component generated energy like this, and finally have influence on the generating of whole system.In order to overcome the problem of losing larger generated energy when single component is subject to partial occlusion, be necessary to provide a kind of photovoltaic module battery tandem intelligent optimizer.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of photovoltaic module battery tandem intelligent optimizer, not mating and the impact on photovoltaic module generated energy such as assembly shade blocks of electrical property between photovoltaic module battery strings can not only be reduced, and the hot spot failure risk of photovoltaic module can be reduced, make each battery strings of photovoltaic module all can export maximum power, finally make the generated energy of photovoltaic generating system reach optimum.
The utility model is solve the problems of the technologies described above the technical scheme adopted to be to provide a kind of photovoltaic module battery tandem intelligent optimizer, at least comprise two-way MPPT maximum power point tracking circuit, every road MPPT maximum power point tracking circuit comprises two input terminals, an output cathode, an output negative pole, a switching diode, a contactor pipe and a circuit inductance, described contactor pipe is connected with circuit inductance serial connection, an input end of every road MPPT maximum power point tracking circuit connects the input end of described contactor pipe, another input end of every road MPPT maximum power point tracking circuit connects described output cathode or output negative pole, and pass through the output terminal of described switching diode and described contactor pipe, the input end of circuit inductance is connected together, the output cathode of first via MPPT maximum power point tracking circuit connects positive output terminal, the output negative pole of last road MPPT maximum power point tracking circuit connects negative output terminal by current sampler, the output cathode of all the other adjacent two-way MPPT maximum power point tracking circuit is connected with output negative pole, the described control input end of contactor pipe is connected with the output terminal of controller.
Above-mentioned photovoltaic module battery tandem intelligent optimizer, wherein, described controller comprises dsp processor, switch tube driving circuit, temperature sensing circuit, voltage detecting circuit and current detection circuit, described dsp processor carries out HF switch action to the switching tube of every road MPPT maximum power point tracking circuit respectively by switch tube driving circuit, described dsp processor to be connected with an output terminal by an input end of voltage detecting circuit and every road MPPT maximum power point tracking circuit and to carry out constrained input voltage sample, described dsp processor to be connected with current sampler by current detection circuit and to carry out current sample, described dsp processor also with condition indication circuit, temperature sensing circuit is connected.
Above-mentioned photovoltaic module battery tandem intelligent optimizer, wherein, the communication ends of described controller is connected with wireless communication module and realizes remote data monitoring, and described controller is connected with accessory power supply with the power end of wireless communication module.
Above-mentioned photovoltaic module battery tandem intelligent optimizer, wherein, be connected with fly-wheel diode between described positive output terminal and negative output terminal, the positive pole of described fly-wheel diode is connected with negative output terminal, and the negative pole of described fly-wheel diode is connected with positive output terminal.
Above-mentioned photovoltaic module battery tandem intelligent optimizer, wherein, comprise three road MPPT circuit, two input terminals of every road MPPT circuit are as the input of photovoltaic module battery tandem optimizer, and be connected with the output bus-bar of photovoltaic module, first input end is for connecting the positive level of photovoltaic module first via battery strings, second input terminal is for connecting the negative level of photovoltaic module first via battery strings, 3rd input terminal is for connecting the positive level of photovoltaic module second tunnel battery strings, four-input terminal is for connecting the negative level of photovoltaic module second tunnel battery strings, 5th input terminal is for connecting the positive level of photovoltaic module the 3rd tunnel battery strings, 6th input terminal is for connecting the negative level of photovoltaic module the 3rd tunnel battery strings, described positive output terminal and negative output terminal export as photovoltaic module battery tandem optimizer.
Above-mentioned photovoltaic module battery tandem intelligent optimizer, wherein, described first input end and the second input terminal, 3rd input terminal and four-input terminal, every road MPPT circuit input filter capacitor is also provided with respectively between 5th input terminal and the 6th input terminal, every road MPPT circuit is also provided with output filter capacitor between exporting, the positive pole that first via MPPT circuit exports is connected with positive output terminal, the output negative pole of first via MPPT circuit is connected with the output cathode of the second road MPPT circuit, the output negative pole of the second road MPPT circuit is connected with the output cathode of the 3rd road MPPT circuit, the output negative pole of the 3rd road MPPT circuit is connected with negative output terminal through current sampler.
The utility model contrast prior art has following beneficial effect: the photovoltaic module battery tandem intelligent optimizer that the utility model provides, with high-performance high-speed dsp processor for core, quote high-frequency direct-current switch power technology, by Real-time Collection photovoltaic module each battery strings prime input voltage, rear class output voltage and electric current, allow each battery strings of photovoltaic module realize MPPT.What the utility model can not only to reduce in photovoltaic module electrical property between battery strings does not mate the impact of to block with assembly shade photovoltaic module generated energy, and the hot spot of photovoltaic module can be avoided to lose efficacy; In photovoltaic generating system, the maximum power point of system can be found rapidly and exactly, the generated energy of effective elevator system.
Accompanying drawing explanation
Fig. 1 is the circuit connection diagram of the utility model first embodiment;
Fig. 2 (a) is the connection diagram (transverse direction) of the utility model first embodiment and photovoltaic module;
Fig. 2 (b) is the connection diagram (longitudinal direction) of the utility model first embodiment and photovoltaic module;
Fig. 3 is the circuit connection diagram of the utility model second embodiment;
Fig. 4 is the connection diagram of the utility model second embodiment and photovoltaic module;
Fig. 5 is the circuit connection diagram of the utility model the 3rd embodiment;
Fig. 6 is the connection diagram of the utility model the 3rd embodiment and photovoltaic module;
Fig. 7 is the anatomical connectivity schematic diagram of the utility model the 4th embodiment and photovoltaic module.
Embodiment
Below in conjunction with drawings and Examples, the utility model will be further described.
The photovoltaic module battery tandem intelligent optimizer that the utility model provides, comprise and at least comprise two-way MPPT maximum power point tracking circuit (MaximumPowerPointTracking, be called for short MPPT), every road MPPT maximum power point tracking circuit comprises two input terminals, an output cathode, an output negative pole, a switching diode, a contactor pipe and a circuit inductance, described contactor pipe is connected with circuit inductance serial connection, the input end of an input end connecting circuit switching tube of every road MPPT maximum power point tracking circuit, another input end of every road MPPT maximum power point tracking circuit connects output cathode or output negative pole, and by the output terminal of switching diode and contactor pipe, the input end of circuit inductance is connected together, the output cathode of first via MPPT maximum power point tracking circuit connects positive output terminal, the output negative pole of last road MPPT maximum power point tracking circuit connects negative output terminal by current sampler, the output cathode of all the other adjacent two-way MPPT maximum power point tracking circuit is connected with output negative pole, the described control input end of contactor pipe is connected with the output terminal of controller.
Embodiment 1
Please refer to Fig. 1, Fig. 2 (a) and Fig. 2 (b), the present embodiment comprises three road MPPT circuit, six input terminal 1-1,1-2,1-3,1-4,1-5,1-6, first via MPPT contactor pipe S
1, the second road MPPT contactor pipe S
2, the 3rd road MPPT contactor pipe S
3, first via MPPT circuit diode D
1, the second road MPPT circuit diode D
2, the 3rd road MPPT circuit diode D
3, sustained diode
100, first via MPPT circuit inductance L
1, the second road MPPT circuit inductance L
2, the 3rd road MPPT circuit inductance L
3, current sampler CS
1, controller, accessory power supply, wireless communication module, positive output terminal 2-1 and negative output terminal 2-2.Described input terminal 1-1, 1-2, 1-3, 1-4, 1-5, 1-6 is as the input of photovoltaic module battery tandem optimizer, be connected with the output bus-bar of photovoltaic module, wherein, the sub-1-1 of first input end is for connecting the positive level 11-1 of photovoltaic module the 1st tunnel battery strings, second input terminal 1-2 is for connecting the negative level 11-2 of photovoltaic module the 1st tunnel battery strings, 3rd input terminal 1-3 is for connecting the positive level 11-3 of photovoltaic module the 2nd tunnel battery strings, the sub-1-4 of four-input terminal is for connecting the negative level 11-4 of photovoltaic module the 2nd tunnel battery strings, 5th input terminal 1-5 is for connecting the positive level 11-5 of photovoltaic module the 3rd tunnel battery strings, 6th input terminal 1-6 is for connecting the negative level 11-6 of photovoltaic module the 3rd tunnel battery strings, described output positive output terminal 2-1, negative output terminal 2-2 exports as photovoltaic module battery tandem optimizer.The control signal of described three switching tubes is sent by described controller.
Input terminal 1-1 and 1-2, between 1-3 and 1-4,1-5 and 1-6, be also provided with every road battery strings MPPT circuit input filter capacitor C respectively
1, C
3, C
5, every road battery strings MPPT circuit is also provided with output filter capacitor C between exporting
2, C
4, C
6the output cathode of the 1st road MPPT circuit is connected with battery tandem optimizer positive output terminal 2-1, the output negative pole of the 1st road MPPT circuit is connected with the output cathode of the 2nd road MPPT circuit, the output negative pole of the 2nd road MPPT circuit is connected with the output cathode of the 3rd road MPPT circuit, and the output negative pole of the 3rd road MPPT circuit is through current sampler CS
1be connected with the negative output terminal 2-2 of battery tandem optimizer.
Sustained diode is also had between positive output terminal and negative output terminal
100, described sustained diode
100positive pole be connected with negative output terminal 2-2, sustained diode
100negative pole be connected with positive output terminal 2-1.Controller comprises dsp processor, switch tube driving circuit, temperature sensing circuit, voltage detecting circuit and current detection circuit, described dsp processor is connected with three switch controlled input ends respectively by switch tube driving circuit and carries out HF switch action, described dsp processor to be connected with an output terminal by an input end of voltage detecting circuit and every road MPPT maximum power point tracking circuit and to carry out constrained input voltage sample, described dsp processor to be connected with current sampler by current detection circuit and to carry out current sample, described dsp processor also with condition indication circuit, temperature sensing circuit is connected.Accessory power supply is controller and wireless communication module power supply.Wireless communication module, is connected with controller, realizes remote data monitoring.
Embodiment 2
Please continue to refer to Fig. 3 and Fig. 4, be the second embodiment of the present utility model, it has two MPPT optimized circuits, for only having the photovoltaic module of two battery strings.The difference of the first embodiment shown in itself and Fig. 1 and Fig. 2 is, does not have the 3rd road MPPT circuit, does not namely have C
5, C
6, D
3, L
3, S
3, and lack two input terminals 1-5,1-6, corresponding to photovoltaic module, then lack two lead-out terminals 11-5,11-6; All the other structures are identical, do not repeat them here.
Embodiment 3
Please continue to refer to Fig. 5 and Fig. 6, be the third embodiment of the present utility model, it has four MPPT optimized circuits, for there being the photovoltaic module of four battery strings.The difference of the first embodiment shown in itself and Fig. 1 and Fig. 2 is, increases by the 4th road MPPT circuit, namely increases C
7, C
8, D
4, L
4, S
4, and increase by two input terminals 1-7,1-8, corresponding to photovoltaic module, then increase by two lead-out terminals 11-7,11-8; All the other structures are identical, do not repeat them here.
Embodiment 4
Please continue to refer to Fig. 7, be 4th kind of the present utility model and implement structure, it has five and above MPPT optimized circuit, for there being the photovoltaic module of five and above battery strings.1 ~ embodiment 3 in conjunction with the embodiments, when photovoltaic module has N number of battery strings, N is natural number, then have and its N number of MPPT circuit correspondingly, N number of battery strings of assembly, and corresponding MPPT circuit comprises C
(2N-1), C
2N, D
n, L
n, S
n, and two input terminals (1-(2N-1), 1-2N), corresponding to N number of battery strings of photovoltaic module, then there are two lead-out terminals (11-(2N-1), 11-2N); All the other structures are identical, do not repeat them here.
Although the utility model discloses as above with preferred embodiment; so itself and be not used to limit the utility model; any those skilled in the art; not departing from spirit and scope of the present utility model; when doing a little amendment and perfect, therefore protection domain of the present utility model is when being as the criterion of defining with claims.
Claims (6)
1. a photovoltaic module battery tandem intelligent optimizer, it is characterized in that, at least comprise two-way MPPT maximum power point tracking circuit, every road MPPT maximum power point tracking circuit comprises two input terminals, an output cathode, an output negative pole, a switching diode, a contactor pipe and a circuit inductance, described contactor pipe is connected with circuit inductance serial connection, an input end of every road MPPT maximum power point tracking circuit connects the input end of described contactor pipe, another input end of every road MPPT maximum power point tracking circuit connects described output cathode or output negative pole, and pass through the output terminal of described switching diode and described contactor pipe, the input end of circuit inductance is connected together, the output cathode of first via MPPT maximum power point tracking circuit connects positive output terminal, the output negative pole of last road MPPT maximum power point tracking circuit connects negative output terminal by current sampler, the output cathode of all the other adjacent two-way MPPT maximum power point tracking circuit is connected with output negative pole, the described control input end of contactor pipe is connected with the output terminal of controller.
2. photovoltaic module battery tandem intelligent optimizer as claimed in claim 1, it is characterized in that, described controller comprises dsp processor, switch tube driving circuit, temperature sensing circuit, voltage detecting circuit and current detection circuit, described dsp processor carries out HF switch action to the switching tube of every road MPPT maximum power point tracking circuit respectively by switch tube driving circuit, described dsp processor to be connected with an output terminal by an input end of voltage detecting circuit and every road MPPT maximum power point tracking circuit and to carry out constrained input voltage sample, described dsp processor to be connected with current sampler by current detection circuit and to carry out current sample, described dsp processor also with condition indication circuit, temperature sensing circuit is connected.
3. photovoltaic module battery tandem intelligent optimizer as claimed in claim 1, it is characterized in that, the communication ends of described controller is connected with wireless communication module and realizes remote data monitoring, and described controller is connected with accessory power supply with the power end of wireless communication module.
4. photovoltaic module battery tandem intelligent optimizer according to claim 1, it is characterized in that, fly-wheel diode is connected with between described positive output terminal and negative output terminal, the positive pole of described fly-wheel diode is connected with negative output terminal, and the negative pole of described fly-wheel diode is connected with positive output terminal.
5. photovoltaic module battery tandem intelligent optimizer according to claim 1, it is characterized in that, comprise three road MPPT circuit, two input terminals of every road MPPT circuit are as the input of photovoltaic module battery tandem optimizer, and be connected with the output bus-bar of photovoltaic module, first input end is for connecting the positive level of photovoltaic module first via battery strings, second input terminal is for connecting the negative level of photovoltaic module first via battery strings, 3rd input terminal is for connecting the positive level of photovoltaic module second tunnel battery strings, four-input terminal is for connecting the negative level of photovoltaic module second tunnel battery strings, 5th input terminal is for connecting the positive level of photovoltaic module the 3rd tunnel battery strings, 6th input terminal is for connecting the negative level of photovoltaic module the 3rd tunnel battery strings, described positive output terminal and negative output terminal export as photovoltaic module battery tandem optimizer.
6. photovoltaic module battery tandem intelligent optimizer according to claim 5, it is characterized in that, described first input end and the second input terminal, 3rd input terminal and four-input terminal, every road MPPT circuit input filter capacitor is also provided with respectively between 5th input terminal and the 6th input terminal, every road MPPT circuit is also provided with output filter capacitor between exporting, the positive pole that first via MPPT circuit exports is connected with positive output terminal, the output negative pole of first via MPPT circuit is connected with the output cathode of the second road MPPT circuit, the output negative pole of the second road MPPT circuit is connected with the output cathode of the 3rd road MPPT circuit, the output negative pole of the 3rd road MPPT circuit is connected with negative output terminal through current sampler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521013449.8U CN205176723U (en) | 2015-12-09 | 2015-12-09 | Photovoltaic module battery tandem intelligent optimization ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521013449.8U CN205176723U (en) | 2015-12-09 | 2015-12-09 | Photovoltaic module battery tandem intelligent optimization ware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205176723U true CN205176723U (en) | 2016-04-20 |
Family
ID=55740696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521013449.8U Withdrawn - After Issue CN205176723U (en) | 2015-12-09 | 2015-12-09 | Photovoltaic module battery tandem intelligent optimization ware |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205176723U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105353822B (en) * | 2015-12-09 | 2016-08-17 | 江苏集能易新能源技术有限公司 | A kind of photovoltaic module battery tandem intelligent optimizer |
| CN116111942A (en) * | 2023-04-12 | 2023-05-12 | 深圳市中旭新能源有限公司 | Asymmetric integrated double-type combined area optimized photovoltaic module and photovoltaic power generation system |
-
2015
- 2015-12-09 CN CN201521013449.8U patent/CN205176723U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105353822B (en) * | 2015-12-09 | 2016-08-17 | 江苏集能易新能源技术有限公司 | A kind of photovoltaic module battery tandem intelligent optimizer |
| CN116111942A (en) * | 2023-04-12 | 2023-05-12 | 深圳市中旭新能源有限公司 | Asymmetric integrated double-type combined area optimized photovoltaic module and photovoltaic power generation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160420 Effective date of abandoning: 20160817 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |