CN205792450U - A kind of photovoltaic module string - Google Patents
A kind of photovoltaic module string Download PDFInfo
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- CN205792450U CN205792450U CN201620713304.7U CN201620713304U CN205792450U CN 205792450 U CN205792450 U CN 205792450U CN 201620713304 U CN201620713304 U CN 201620713304U CN 205792450 U CN205792450 U CN 205792450U
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- photovoltaic module
- cable
- photovoltaic
- negative pole
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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 discloses a kind of photovoltaic module string, it includes: some groups of photovoltaic module unit, and often group photovoltaic module unit includes four photovoltaic modulies.First photovoltaic module unit is connected with the first photovoltaic module, the second photovoltaic module, the 3rd photovoltaic module and the 4th photovoltaic module in turn by cable.Second photovoltaic module unit is connected with the 5th photovoltaic module, the 6th photovoltaic module, the 7th photovoltaic module and the 8th photovoltaic module in turn by cable.3rd photovoltaic module unit is connected with the 9th photovoltaic module, the tenth photovoltaic module, the 11st photovoltaic module and the 12nd photovoltaic module in turn by cable, is connected to direct current conflux case or group string inverter by drawing the first outgoing cable picked out and the second outgoing cable.This kind of photovoltaic module string utilizes and connects from tape cable, reduces cable loss, enhances the efficiency of photovoltaic generating system.
Description
Technical field
This utility model relates to photovoltaic module field, more particularly, it relates to a kind of photovoltaic module string.
Background technology
Now photovoltaic industry is increasingly competitive, improve photovoltaic generating system efficiency, reduce cost be Business survival and
The only way of development.Traditional photovoltaic module string utilizes and connects cable by the both positive and negative polarity of several adjacent photovoltaic modulies sequentially
Docking series connection, finally respectively draws 1 cable and is connected to direct current conflux case or group string inverter from the two ends of photovoltaic module string.This kind of light
Two outlet ports of photovoltaic assembly string lay respectively at the both sides of photovoltaic array, the i.e. port away from photovoltaic array outgoing line side needs volume
One section of cable of outer extraction is to the offside of photovoltaic array.Owing to the cable drawn is almost close to the length of each photovoltaic module string, increase
Having added the usage amount of cable and the cable cost of construction period, the cable that this section is drawn simultaneously adds the electricity of operation phase virtually
Cable is lost, and reduces the efficiency of photovoltaic generating system.
Utility model content
The purpose of this utility model is, it is provided that a kind of photovoltaic module string, makes full use of the connection electricity that photovoltaic module carries
Cable, it is not necessary to extra cable pigtail, has not only saved material cost, and has reduced cable loss, enhanced photovoltaic generation
The efficiency of system.
For solving above-mentioned technical problem, this utility model adopts the following technical scheme that:
This kind of photovoltaic module string is connected with some groups of photovoltaic module unit, often group photovoltaic module unit bag in turn by cable
Include four photovoltaic modulies.In first photovoltaic module unit by cable be connected with in turn the first photovoltaic module, the second photovoltaic module,
3rd photovoltaic module and the 4th photovoltaic module, the negative pole of the first photovoltaic module is just being connected to the 3rd photovoltaic module by cable
Pole, the positive pole of the first photovoltaic module is connected to the negative pole of the second photovoltaic module by cable, and the positive pole of the second photovoltaic module passes through
Cable is connected to the negative pole of the 4th photovoltaic module.Second photovoltaic module unit is connected with the 5th photovoltaic group in turn by cable
Part, the 6th photovoltaic module, the 7th photovoltaic module and the 8th photovoltaic module, the negative pole of the 5th photovoltaic module is connected to by cable
The positive pole of seven photovoltaic modulies, the positive pole of the 6th photovoltaic module is connected to the negative pole of the 8th photovoltaic module by cable.3rd photovoltaic
Assembly unit is connected with the 9th photovoltaic module, the tenth photovoltaic module, the 11st photovoltaic module and the 12nd in turn by cable
Photovoltaic module, the negative pole of the 9th photovoltaic module is connected to the positive pole of the 11st photovoltaic module by cable, the tenth photovoltaic module
Positive pole is connected to the negative pole of the 12nd photovoltaic module by cable.Same one end of photovoltaic module string is by drawing the first extraction picked out
Cable and the second outgoing cable are connected to direct current conflux case or group string inverter.
Further, adjacent photovoltaic module unit is sequentially connected with by cable, the 3rd light in the first photovoltaic module unit
The negative pole of photovoltaic assembly and the positive pole of the 4th photovoltaic module are connected to the 5th photovoltaic in the second photovoltaic module unit by cable respectively
The positive pole of assembly and the negative pole of the 6th photovoltaic module.The negative pole of the 7th photovoltaic module and the 8th photovoltaic in second photovoltaic module unit
The positive pole of assembly is connected to positive pole and the tenth photovoltaic group of the 9th photovoltaic module in the 3rd photovoltaic module unit respectively by cable
The negative pole of part.In 3rd photovoltaic module unit, the negative pole of the 11st photovoltaic module and the positive pole of the 12nd photovoltaic module pass through respectively
First outgoing cable and the second outgoing cable are connected to direct current conflux case or group string inverter.
So that the combination property of photovoltaic module is played efficiently, the group number of described photovoltaic module unit is 2
～the integer between 25, actual number can be adjusted according to the difference of region and demand.
The efficient consumption run and save cable, same photovoltaic module after connecting for the ease of aforesaid photovoltaic module
In string, the distance between all photovoltaic modulies being sequentially connected with is the most equal, is 0～500.Further, it is contemplated that this kind of photovoltaic
The connected mode of component string, the specification of each photovoltaic module is identical, and voltage and current is the most identical.
The placing direction of the aforesaid photovoltaic module being sequentially connected with is consistent, make the rosette of photovoltaic module all in the same side,
It is located at homonymy and can save cable so that wire structures is compacter.
Compared with prior art, of the present utility model having the beneficial effect that takes full advantage of the connection that photovoltaic module carries
Cable, by the both positive and negative polarity of several photovoltaic modulies interleaved series separately, finally draws with one end from photovoltaic module string and picks out two
Cable is connected to direct current conflux case or group string inverter, and wiring mechanism is the compactest.The cable lead-out end mouth of photovoltaic module string is equal
It is positioned at the same side of photovoltaic module string, it is not necessary to increase extra cable pigtail, not only saved material cost, and reduced
Cable loss, enhances the efficiency of photovoltaic generating system.
Accompanying drawing explanation
Fig. 1 is the connection diagram of photovoltaic module string in a kind of embodiment；
Fig. 2 is the connection diagram of conventional photovoltaic component string；
Fig. 3 is the connection diagram of the first photovoltaic module unit in a kind of embodiment；
Fig. 4 is the connection diagram of the second photovoltaic module unit in a kind of embodiment；
Fig. 5 is the connection diagram of the 3rd photovoltaic module unit in a kind of embodiment；
Fig. 6 is the connection diagram of photovoltaic module string in another kind of embodiment；
Fig. 7 is the connection diagram of the first photovoltaic module unit in another kind of embodiment；
Fig. 8 is the connection diagram of the second photovoltaic module unit in another kind of embodiment；
Fig. 9 is the connection diagram of the 3rd photovoltaic module unit in another kind of embodiment.
The implication of reference: 1-the first photovoltaic module, 2-the second photovoltaic module, 3-the 3rd photovoltaic module, 4-the 4th light
Photovoltaic assembly, 5-the 5th photovoltaic module, 6-the 6th photovoltaic module, 7-the 7th photovoltaic module, 8-the 8th photovoltaic module, 9-the 9th photovoltaic
Assembly, 10-the tenth photovoltaic module, 11-the 11st photovoltaic module, 12-the 12nd photovoltaic module, 101-the first photovoltaic module list
Unit, 102-the second photovoltaic module unit, 103-the 3rd photovoltaic module unit, 201-the first outgoing cable, 202-second draws electricity
Cable.
With detailed description of the invention, this utility model is further described below in conjunction with the accompanying drawings.
Detailed description of the invention
Embodiment 1 of the present utility model: as shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, this kind of photovoltaic module string passes through cable
Being connected with some groups of photovoltaic module unit in turn, often group photovoltaic module unit includes four photovoltaic modulies.First photovoltaic module list
In unit 101, the negative pole of the first photovoltaic module 1 is connected to the positive pole of the 3rd photovoltaic module 3 by cable, and the first photovoltaic module 1 is just
Pole is connected to the negative pole of the second photovoltaic module 2 by cable, and the positive pole of the second photovoltaic module 2 is connected to the 4th photovoltaic by cable
The negative pole of assembly 4, the negative pole of the 3rd photovoltaic module 3 is connected to the 5th photovoltaic group in the second photovoltaic module unit 102 by cable
The positive pole of part 5, the positive pole of the 4th photovoltaic module 4 is connected to the 6th photovoltaic module 6 in the second photovoltaic module unit 102 by cable
Negative pole.In second photovoltaic module unit 102, the negative pole of the 5th photovoltaic module 5 is connected to the 7th photovoltaic module 7 by cable
Positive pole, the positive pole of the 6th photovoltaic module 6 is connected to the negative pole of the 8th photovoltaic module 8, the negative pole of the 7th photovoltaic module 7 by cable
Being connected to the positive pole of the 9th photovoltaic module 9 in the 3rd photovoltaic module unit 103 by cable, the positive pole of the 8th photovoltaic module 8 leads to
Cross cable and be connected to the negative pole of the tenth photovoltaic module 10 in the 3rd photovoltaic module unit 103.In 3rd photovoltaic module unit 103
The negative pole of nine photovoltaic modulies 9 is connected to the positive pole of the 11st photovoltaic module 11 by cable, and the positive pole of the tenth photovoltaic module 10 leads to
Cross cable and be connected to the negative pole of the 12nd photovoltaic module 12.
The like, by the both positive and negative polarity of several photovoltaic modulies interleaved series separately: i.e. the positive pole of photovoltaic module passes through
Cable is connected to the negative pole of photovoltaic module separately, and the negative pole of photovoltaic module is connected to separately by cable that photovoltaic module is being just
Pole, finally draw from same one end of photovoltaic module string pick out two cables be connected to direct current conflux case or group string inverter.Photovoltaic module
Unit is 15 groups so that the combination property of photovoltaic module obtains more efficient performance.Photovoltaic module in same photovoltaic module string
Spacing is 280 so that photovoltaic module runs after connecting efficiently, also saves the consumption of cable.In view of this kind of photovoltaic
The connected mode of component string, the specification of each photovoltaic module is identical, and voltage and current is the most identical.The photovoltaic group being sequentially connected with
The placing direction of part is consistent, makes the rosette of photovoltaic module all in the same side, i.e. cable is installed in the homonymy of photovoltaic module.If
Cable can be saved so that wire structures is compacter at homonymy.
Embodiment 2: as shown in Fig. 6, Fig. 7, Fig. 8 and Fig. 9, often group photovoltaic module unit includes four photovoltaic modulies, first
In photovoltaic module unit 101, the positive pole of the first photovoltaic module 1 is connected to the negative pole of the 3rd photovoltaic module 3, the first light by cable
The negative pole of photovoltaic assembly 1 is connected to the positive pole of the second photovoltaic module 2 by cable, and the negative pole of the second photovoltaic module 2 is by cable even
Being connected to the positive pole of the 4th photovoltaic module 4, the positive pole of the 3rd photovoltaic module 3 is connected to the second photovoltaic module unit 102 by cable
In the negative pole of the 5th photovoltaic module 5, the negative pole of the 4th photovoltaic module 4 is connected in the second photovoltaic module unit 102 by cable
The positive pole of the 6th photovoltaic module 6.In second photovoltaic module unit 102, the positive pole of the 5th photovoltaic module 5 is connected to by cable
The negative pole of seven photovoltaic modulies 7, the negative pole of the 6th photovoltaic module 6 is connected to the positive pole of the 8th photovoltaic module 8, the 7th light by cable
The positive pole of photovoltaic assembly 7 is connected to the negative pole of the 9th photovoltaic module 9 in the 3rd photovoltaic module unit 103, the 8th photovoltaic by cable
The negative pole of assembly 8 is connected to the positive pole of the tenth photovoltaic module 10 in the 3rd photovoltaic module unit 103 by cable.3rd photovoltaic group
In part unit 103, the positive pole of the 9th photovoltaic module 9 is connected to the negative pole of the 11st photovoltaic module 11, the tenth photovoltaic group by cable
The negative pole of part 10 is connected to the positive pole of the 12nd photovoltaic module 12 by cable.
The like, by the both positive and negative polarity of several photovoltaic modulies interleaved series separately: i.e. the positive pole of photovoltaic module passes through
Cable is connected to the negative pole of photovoltaic module separately, and the negative pole of photovoltaic module is connected to separately by cable that photovoltaic module is being just
Pole, finally draw from same one end of photovoltaic module string pick out two cables be connected to direct current conflux case or group string inverter.Photovoltaic module
Unit is 20 groups so that the combination property of photovoltaic module be effectively played.The spacing of photovoltaic module in same photovoltaic module string
It is 400, saves the consumption of cable.In view of the connected mode of photovoltaic module string, the specification phase of each photovoltaic module
With, voltage and current is the most identical.The placing direction of the photovoltaic module being sequentially connected with is consistent, makes the rosette of photovoltaic module all same
Side, i.e. cable are installed in the homonymy of photovoltaic module.It is located at homonymy and can save cable so that wire structures is compacter.
Embodiment 3: as depicted in figs. 1 and 2, a kind of photovoltaic module string is connected with some groups of photovoltaic modulies in turn by cable
Unit, often group photovoltaic module unit includes four photovoltaic modulies.In first photovoltaic module unit 101, the first photovoltaic module 1 is negative
Pole is connected to the positive pole of the 3rd photovoltaic module 3 by cable, and the positive pole of the first photovoltaic module 1 is connected to the second photovoltaic by cable
The negative pole of assembly 2, the positive pole of the second photovoltaic module 2 is connected to the negative pole of the 4th photovoltaic module 4, the 3rd photovoltaic module by cable
The negative pole of 3 is connected to the positive pole of the 5th photovoltaic module 5 in the second photovoltaic module unit 102 by cable, the 4th photovoltaic module 4
Positive pole is connected to the negative pole of the 6th photovoltaic module 6 in the second photovoltaic module unit 102 by cable.Second photovoltaic module unit
In 102, the negative pole of the 5th photovoltaic module 5 is connected to the positive pole of the 7th photovoltaic module 7, the positive pole of the 6th photovoltaic module 6 by cable
Be connected to the negative pole of the 8th photovoltaic module 8 by cable, the negative pole of the 7th photovoltaic module 7 is connected to the 3rd photovoltaic group by cable
The positive pole of the 9th photovoltaic module 9 in part unit 103, the positive pole of the 8th photovoltaic module 8 is connected to the 3rd photovoltaic module by cable
The negative pole of the tenth photovoltaic module 10 in unit 103.In 3rd photovoltaic module unit 103, the negative pole of the 9th photovoltaic module 9 is by electricity
Cable is connected to the positive pole of the 11st photovoltaic module 11, and the positive pole of the tenth photovoltaic module 10 is connected to the 12nd photovoltaic group by cable
The negative pole of part 12.The like, by the both positive and negative polarity of several photovoltaic modulies interleaved series separately: i.e. the positive pole of photovoltaic module draws
The cable gone out, strides across adjacent component and is connected to the negative pole of assembly separately.The cable that the negative pole of photovoltaic module is drawn, strides across adjacent
Assembly is connected to the positive pole of assembly separately, finally draws from same one end of photovoltaic module string and picks out two cables and be connected to direct current and conflux
Case or group string inverter.
Operation principle of the present utility model: photovoltaic module string makes full use of the connection cable that photovoltaic module carries, by some
The cable that the both positive and negative polarity of individual photovoltaic module interleaved series separately, i.e. photovoltaic module positive pole are drawn, strides across adjacent photovoltaic assembly even
It is connected to the negative pole of photovoltaic module separately.The cable that photovoltaic module negative pole is drawn, strides across adjacent photovoltaic assembly and is connected to separately
The positive pole of photovoltaic module, finally draw from same one end of photovoltaic module string pick out two cables be connected to direct current conflux case or group string inversion
Device.Cable lead-out end mouth is respectively positioned on the same side of photovoltaic array, the connection that the connection between photovoltaic module only carries by rosette
Cable can complete.
Claims (5)
1. a photovoltaic module string, it is characterised in that be connected with some groups of photovoltaic module unit in turn by cable, often organize photovoltaic
Assembly unit includes four photovoltaic modulies；First photovoltaic module unit (101) is connected with the first photovoltaic group in turn by cable
Part (1), the second photovoltaic module (2), the 3rd photovoltaic module (3) and the 4th photovoltaic module (4), the negative pole of the first photovoltaic module (1)
Be connected to the positive pole of the 3rd photovoltaic module (3) by cable, the positive pole of the first photovoltaic module (1) is connected to the second light by cable
The negative pole of photovoltaic assembly (2), the positive pole of the second photovoltaic module (2) is connected to the negative pole of the 4th photovoltaic module (4) by cable；Second
Photovoltaic module unit (102) is connected with the 5th photovoltaic module (5), the 6th photovoltaic module (6), the 7th photovoltaic in turn by cable
Assembly (7) and the 8th photovoltaic module (8), the negative pole of the 5th photovoltaic module (5) is connected to the 7th photovoltaic module (7) by cable
Positive pole, the positive pole of the 6th photovoltaic module (6) is connected to the negative pole of the 8th photovoltaic module (8) by cable；3rd photovoltaic module list
Unit (103) is connected with the 9th photovoltaic module (9), the tenth photovoltaic module (10), the 11st photovoltaic module in turn by cable
(11) and the 12nd photovoltaic module (12), the negative pole of the 9th photovoltaic module (9) is connected to the 11st photovoltaic module by cable
(11) positive pole, the positive pole of the tenth photovoltaic module (10) is connected to the negative pole of the 12nd photovoltaic module (12) by cable；Photovoltaic
Same one end of component string passes through to draw the first outgoing cable (201) picked out and the second outgoing cable (202) is connected to direct current and confluxes
Case or group string inverter.
Photovoltaic module string the most according to claim 1, it is characterised in that adjacent photovoltaic module unit is by cable successively
Connecting, in the first photovoltaic module unit (101), the negative pole of the 3rd photovoltaic module (3) and the positive pole of the 4th photovoltaic module (4) are distinguished
It is connected to the positive pole of the 5th photovoltaic module (5) in the second photovoltaic module unit (102) and the 6th photovoltaic module (6) by cable
Negative pole；In second photovoltaic module unit (102), the negative pole of the 7th photovoltaic module (7) and the positive pole of the 8th photovoltaic module (8) are distinguished
Positive pole and the tenth photovoltaic module (10) of the 9th photovoltaic module (9) in the 3rd photovoltaic module unit (103) it is connected to by cable
Negative pole；The negative pole of the 11st photovoltaic module (11) and the 12nd photovoltaic module (12) in 3rd photovoltaic module unit (103)
Positive pole is connected to direct current conflux case or group string inverter by the first outgoing cable (201) and the second outgoing cable (202) respectively.
Photovoltaic module string the most according to claim 1, it is characterised in that the group number of described photovoltaic module unit be 2～
Integer between 25.
Photovoltaic module string the most according to claim 3, it is characterised in that all in same photovoltaic module string be sequentially connected with
Distance between photovoltaic module is the most equal, is 0～500.
Photovoltaic module string the most according to claim 4, it is characterised in that the rosette of photovoltaic module is positioned at photovoltaic module
The same side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620713304.7U CN205792450U (en) | 2016-07-07 | 2016-07-07 | A kind of photovoltaic module string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620713304.7U CN205792450U (en) | 2016-07-07 | 2016-07-07 | A kind of photovoltaic module string |
Publications (1)
| Publication Number | Publication Date |
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| CN205792450U true CN205792450U (en) | 2016-12-07 |
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ID=58124313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620713304.7U Active CN205792450U (en) | 2016-07-07 | 2016-07-07 | A kind of photovoltaic module string |
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| Country | Link |
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| CN (1) | CN205792450U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109067354A (en) * | 2018-08-08 | 2018-12-21 | 华润电力（贺州）有限公司 | A kind of low-loss flat uniaxial photovoltaic module connection system of novel, practical drop |
| DE102022119559A1 (en) | 2022-08-04 | 2024-02-15 | Sma Solar Technology Ag | PHOTOVOLTAIC SYSTEM WITH SAFETY SHUTOFF |
-
2016
- 2016-07-07 CN CN201620713304.7U patent/CN205792450U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109067354A (en) * | 2018-08-08 | 2018-12-21 | 华润电力（贺州）有限公司 | A kind of low-loss flat uniaxial photovoltaic module connection system of novel, practical drop |
| DE102022119559A1 (en) | 2022-08-04 | 2024-02-15 | Sma Solar Technology Ag | PHOTOVOLTAIC SYSTEM WITH SAFETY SHUTOFF |
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Address after: 100160 Beijing, Fengtai District Automobile Museum Road, No. 6, Ying Kun century A block, floor 11 Co-patentee after: Huadian Light New Energy Technology Co Ltd Patentee after: CHINA HUADIAN ENGINEERING CO., LTD. Address before: 100160 Beijing, Fengtai District Automobile Museum Road, No. 6, Ying Kun century A block, floor 11 Co-patentee before: Beijing Huadian Zhongguang New Energy Technology Co., Ltd. Patentee before: CHINA HUADIAN ENGINEERING CO., LTD. |