CN206180964U - Integrated solar module - Google Patents
Integrated solar module Download PDFInfo
- Publication number
- CN206180964U CN206180964U CN201621157573.6U CN201621157573U CN206180964U CN 206180964 U CN206180964 U CN 206180964U CN 201621157573 U CN201621157573 U CN 201621157573U CN 206180964 U CN206180964 U CN 206180964U
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- CN
- China
- Prior art keywords
- solar cell
- layer
- diode
- component
- bypass diode
- 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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Classifications
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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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- Photovoltaic Devices (AREA)
Abstract
The utility model discloses an integrated solar module, including the aluminium frame and from last to super white indisputable toughened glass layer EVA layer, solar cell layer, lower EVA layer and the backsheet layer on, of hanging down who sets gradually down in the aluminium frame, solar cell layer includes the solar cell string of a plurality of series connections. The backsheet layer back be provided with integrated terminal box, integrated terminal box contain a plurality of bypass diode, pilot lamp and prevent anti - diode. The utility model discloses a with bypass diode, pilot lamp with prevent anti - diode integration in subassembly, the real -time supervision to subassembly operating condition has been realized according to the behavior of pilot lamp. Bypass diode with prevent that anti - diode has prevented hot spot effect and reverse current's influence respectively, has improved the reliability of subassembly by a wide margin.
Description
Technical field
The utility model is related to solar photovoltaic device field, more particularly to a kind of integrated solar cell component.
Background technology
As traditional fossil energy is reduced day by day, the harm that environment is caused constantly is aggravated, countries in the world are all sight
Invest regenerative resource, it is desirable to which regenerative resource can change the energy resource structure of the mankind, maintain long-range sustainable development.Its
Middle solar energy turns into the focus of people's attention with its exclusive advantage.Abundant solar radiant energy is the important energy, is to take
Regenerative resource not to the utmost, nexhaustible, pollution-free, cheap.
A widest application is photovoltaic generating system in the numerous applications of solar energy, and the core component of photovoltaic generation is too
Positive energy battery component, the elementary cell of solar cell module is then solar battery sheet.Traditional solar cell module master
If with safety glass, EVA（Ethylene-vinyl acetate）, backboard and frame an entirety being packaged into solar battery sheet,
Wherein connected with welding between solar battery sheet, then by convergent belt thereto, will finally by terminal box
The electric energy output that component is produced.
In actual applications, by taking grid-connected photovoltaic power generation system as an example, usually by a number of solar cell module
Series connection is integrated, constitute a component tandem, then again by as multiple component tandem parallel connection after access grid-connected inverter, most
Power network is accessed by AC power distribution cabinet/AC distribution panel afterwards.Existing technology can only be monitored to the ruuning situation of each component tandem, it is impossible to
Realize the monitoring to each block assembly.Therefore when a component tandem is found to have failure, can only be to the component of this tandem
Investigation can just find out faulty components, it is necessary to take a substantial amount of time one by one.It is in parallel additionally, due to multiple component tandems, when certain group
The open-circuit voltage of part tandem is due to some failures（Such as cell piece short circuit, component short circuit, bypass diode failure, PID effects）
Far below other component tandems open-circuit voltage when, now have larger reverse current and flow to faulty component tandem, from
And cause overheat and the damage of this string component.
Therefore, how easily and effectively component to be monitored, and influence of the reverse current to component can be prevented, be always
Photovoltaic art problem demanding prompt solution.
The content of the invention
Regarding to the issue above, the purpose of this utility model is to provide a kind of integrated solar cell component, by wiring
Integrated indicator lamp and counnter attack diode in box, not only with the working condition of directly monitoring component, and can also ensure component not
Can be influenceed by reverse current, be improve the reliability of component.
A kind of integrated solar cell component described in the utility model, including aluminium frame and in aluminium frame from top to bottom
The low iron toughened glass layer of ultrawhite, upper EVA layer, solar cell layer, lower EVA layer and the backsheet layer for setting gradually, solar cell
Layer includes multiple solar cell strings being connected in series, and the described backsheet layer back side is provided with integrated junction box, and described is integrated
Terminal box includes multiple bypass diodes, indicator lamp and counnter attack diode.
After described bypass diode is connected with indicator lamp, then connected with corresponding solar cell connection in series-parallel, bypass two
Pole pipe negative pole end connects the positive pole of solar cell string, and indicator lamp positive terminal connects the negative pole of solar cell string.
Described counnter attack diode forward is series at component cathode output end, counnter attack diode cathode and adjacent solar energy
Battery strings positive pole is connected.
Described bypass diode quantity is 1 ~ 6.
Described indicator lamp is LED.
Compared with prior art, the utility model has the advantage of by bypass diode, indicator lamp and counnter attack diode collection
Into in component so that component has reliability higher.Bypass diode can prevent solar cell due to hot spot effect
Wreck, when component normal work, bypass diode is in reverse-biased, the finger now connected with bypass diode
Show that lamp is in off position；When the single or multiple solar cells in component are blocked by shadow, bypass in parallel therewith
Diode current flow, the electric current of the solar cell being blocked is flowed through for shunting, and now indicator lamp is lighted, and real-time display module is each
The working condition of string solar cell, realizes the effective monitoring to component.Counnter attack diode forward is series at assembly circuit, tool
There are two kinds of defencive functions：1）Prevent component both positive and negative polarity reversal connection, occur both positive and negative polarity it is reversed in the case of, counnter attack diode can be by
Reversed component tandem and isolation of system, play a very good protection；2）Prevent from producing circulation between component tandem, when system goes out
The voltage of existing a certain component tandem less than other component tandems voltage when, now the counnter attack diode of component internal will prevent compared with
Big reverse current flows to faulty component tandem, so as to avoid overheat and the damage of this string component.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and detailed description.
Fig. 1 is solar cell module structural representation of the invention.
Fig. 2 is the electrical schematics of solar cell module.
In figure, 1 is aluminium frame, and 2 is the low iron toughened glass layer of ultrawhite, and 3 is upper EVA layer, and 4 is solar cell layer, under 5 are
EVA layer, 6 is backsheet layer, and 7 is integrated junction box, and 8 is solar cell string, and 9 is bypass diode, and 10 is indicator lamp, and 11 is anti-
Anti- diode.
Specific embodiment
To further appreciate that technical characteristic of the present utility model and content, illustrate below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, a kind of integrated solar cell component, including aluminium frame 1 and in aluminium frame from top to bottom
The low iron toughened glass layer 2 of ultrawhite, upper EVA layer 3, solar cell layer 4, lower EVA layer 5 and the backsheet layer 6 for setting gradually, wherein too
Positive energy battery layers include multiple solar cell strings 8 being connected in series.Under high-temperature vacuum, upper EVA layer 3 and lower EVA layer 5 occur
Crosslinking curing, a laminate for entirety is bonded as by the low iron toughened glass layer 2 of ultrawhite, solar cell layer 4 and backsheet layer 6,
Then laminate is installed within aluminium frame again.The described backsheet layer back side is provided with integrated junction box 7, described integrated to connect
Line box 7 includes multiple bypass diodes 9, indicator lamp 10 and counnter attack diode 11.
In the present embodiment, it is after bypass diode 9 is connected with indicator lamp 10 then in parallel with corresponding solar cell string 8
Connection, bypass diode negative pole end connects the positive pole of solar cell string, and indicator lamp positive terminal connects the negative of solar cell string
Pole.When component normal work, the voltage at the two ends of solar cell string 8 causes that bypass diode 9 is in indicator lamp 10
Reverse-bias state, indicator lamp is in off position.When occurring single or multiple solar cell quilts in solar cell string 8
When shadow occlusion or single or multiple solar cells break down, now bypass diode 9 is turned on, and is flowed through originally and is blocked
Or the electric current of solar cell of failure be bypassed diode 9 and shunt, prevent cell piece from hot spot phenomenon occur.Now refer to
Show that lamp 10 is also at conducting state, thus indicator lamp is lighted, and the working condition of solar cell string is reflected in real time.Therefore pass through
The working condition of multiple indicator lamps, can be with the ruuning situation of the corresponding every group of solar cell string of real-time monitoring, so as to quickly send out
Existing faulty solar cell string.
The forward direction of counnter attack diode 11 is series at component cathode output end, counnter attack diode cathode and adjacent solar cell
String positive pole connection.Using the unilateal conduction characteristic of counnter attack diode, it is ensured that electric current can only flow out from the component, thus play protection
The effect of component.In the case where generating assembly both positive and negative polarity is reversed, counnter attack diode can by reversed component tandem and system every
From so as to protect component.For multigroup component tandem in parallel, be short-circuited when the members in a component tandem or
During PID phenomenons, the open-circuit voltage of the component tandem can significantly less than the open-circuit voltage of other component tandems, and other component tandems are simultaneously
The high current of coproduction life will flow through faulty components tandem, and the counnter attack diode being now arranged in assembly circuit is in high obstruction
Only state, prevents the electric current from passing through, it is to avoid the overheat of the component tandem and damage.
The utility model is integrated in component by by bypass diode, indicator lamp and counnter attack diode, according to indicator lamp
Working condition realizes the real-time monitoring to component operation state, the timely faulty component of location finding.Bypass diode and
Counnter attack diode prevents the influence of hot spot effect and reverse current respectively, and the reliability of component greatly improved.
Claims (5)
1. a kind of integrated solar cell component, including aluminium frame and the low iron of ultrawhite set gradually from top to bottom in aluminium frame
Toughened glass layer, upper EVA layer, solar cell layer, lower EVA layer and backsheet layer, solar cell layer are connected in series including multiple
Solar cell string, the described backsheet layer back side is provided with integrated junction box, and described integrated junction box is bypassed comprising multiple
Diode, indicator lamp and counnter attack diode.
2. solar cell module as claimed in claim 1, it is characterised in that：Described bypass diode is connected with indicator lamp
Afterwards, then with corresponding solar cell connection in series-parallel connect, bypass diode negative pole end connects the positive pole of solar cell string, indicate
Lamp positive terminal connects the negative pole of solar cell string.
3. solar cell module as claimed in claim 1, it is characterised in that：Described counnter attack diode forward is series at group
Part cathode output end, counnter attack diode cathode is connected with adjacent solar cell string positive pole.
4. solar cell module as claimed in claim 1, it is characterised in that：Described bypass diode quantity is 1 ~ 6.
5. solar cell module as claimed in claim 1, described indicator lamp is LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621157573.6U CN206180964U (en) | 2016-10-31 | 2016-10-31 | Integrated solar module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621157573.6U CN206180964U (en) | 2016-10-31 | 2016-10-31 | Integrated solar module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206180964U true CN206180964U (en) | 2017-05-17 |
Family
ID=58679438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621157573.6U Expired - Fee Related CN206180964U (en) | 2016-10-31 | 2016-10-31 | Integrated solar module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206180964U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108615777A (en) * | 2018-06-15 | 2018-10-02 | 浙江晶科能源有限公司 | Photovoltaic module |
| CN112740545A (en) * | 2018-09-21 | 2021-04-30 | 松下电器产业株式会社 | Solar cell module |
-
2016
- 2016-10-31 CN CN201621157573.6U patent/CN206180964U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108615777A (en) * | 2018-06-15 | 2018-10-02 | 浙江晶科能源有限公司 | Photovoltaic module |
| CN108615777B (en) * | 2018-06-15 | 2024-03-22 | 浙江晶科能源有限公司 | Photovoltaic module |
| CN112740545A (en) * | 2018-09-21 | 2021-04-30 | 松下电器产业株式会社 | Solar cell module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170517 Termination date: 20211031 |