CN210926036U - Board interconnected high-density photovoltaic module circuit - Google Patents
Board interconnected high-density photovoltaic module circuit Download PDFInfo
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- CN210926036U CN210926036U CN201921509971.3U CN201921509971U CN210926036U CN 210926036 U CN210926036 U CN 210926036U CN 201921509971 U CN201921509971 U CN 201921509971U CN 210926036 U CN210926036 U CN 210926036U
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model discloses a board interconnection high density photovoltaic module circuit, the photovoltaic module circuit includes: the photovoltaic module comprises a first photovoltaic module unit, a second photovoltaic module unit, a first bypass diode, a second bypass diode, a third bypass diode, a fourth bypass diode, a first virtual line, a second virtual line and a third virtual line; the circuit is divided into 4 areas by the first virtual line, the second virtual line and the third virtual line, each area is provided with a bypass diode, and when the photovoltaic modules are placed in a vertical row to generate shielding, more than 90% of generated energy can still be ensured as long as the length range of the fourth module area is not exceeded; the utility model discloses still having combined the plate interconnection technique, having introduced a plurality of first horizontal interconnection circuit lines and the horizontal interconnection circuit line of a plurality of second, having realized the whole interconnection of circuit and the automatic reposition of redundant personnel of electric current, avoided the appearance of serious hotspot, not only protected the subassembly material on the whole, promoted the reliability of subassembly moreover.
Description
Technical Field
The utility model relates to a photovoltaic technology field especially relates to a board interconnection high density photovoltaic module circuit.
Background
The photovoltaic module is also called a solar panel, is a core part in a solar power generation system, and is also the most important part in the solar power generation system.
The circuit structure of the traditional photovoltaic module is that 6 strings of battery pieces are all connected in series, and each two strings of battery pieces are provided with a bypass diode. When traditional photovoltaic module is arranged according to certain inclination vertically, the morning or afternoon sunlight incident angle is than lower, and the subassembly of front row can block a part of back row subassembly, forms to shelter from. When the shielded area of the back row of the cells is more than or equal to 20%, all the 3 bypass diodes are conducted, the output power of the photovoltaic module is almost 0, and the photovoltaic module can not generate electricity at all; when the shielded area of the back-row cell is less than 20%, 3 bypass diodes are not conducted, the power output by the photovoltaic module is greatly reduced, for example, when the shielded area of the back-row cell is 15%, the output power of the photovoltaic module is only 85% of the maximum output power, the shielded part can have a serious hot spot effect, the photovoltaic module is yellowed and burnt, and therefore long-term use of the photovoltaic module is affected.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical defects in the prior art, the utility model provides a plate-interconnected high-density photovoltaic module circuit, when the photovoltaic module is placed vertically to generate shielding, as long as the length of the part of the first photovoltaic module unit between the second connecting point and the negative electrode of the first photovoltaic module unit is not exceeded, the power generation capacity of more than 90 percent can still be ensured; the utility model discloses still combine the plate interconnection technique, realized the whole interconnection of circuit and the automatic reposition of redundant personnel of electric current, avoided the appearance of serious hot spot, not only protected the subassembly material on the whole, promoted the reliability of subassembly moreover.
In order to achieve the above object, the utility model provides a following scheme:
a panel-interconnected high-density photovoltaic module circuit, the photovoltaic module circuit comprising: the photovoltaic module comprises a first photovoltaic module unit, a second photovoltaic module unit, a first bypass diode, a second bypass diode, a third bypass diode, a fourth bypass diode, a first virtual line, a second virtual line and a third virtual line;
the anode of the first photovoltaic assembly unit is connected with the cathode of the second photovoltaic assembly unit, and the cathode of the first photovoltaic assembly unit is connected with the anode of the second photovoltaic assembly unit; the positive electrode of the first photovoltaic assembly unit is used as the positive electrode of the photovoltaic assembly circuit, and the negative electrode of the second photovoltaic assembly unit is used as the negative electrode of the photovoltaic assembly circuit; the first bypass diode, the second bypass diode and the third bypass diode are sequentially connected in series between the anode of the first photovoltaic assembly unit and the cathode of the second photovoltaic assembly unit in a reverse direction;
a first connecting point and a second connecting point are sequentially arranged between the anode of the first photovoltaic assembly unit and the cathode of the first photovoltaic assembly unit; one end of the first virtual line is connected with the first connecting point, and the other end of the first virtual line is connected with the anode of the first bypass diode; a third connection point and a fourth connection point are sequentially arranged between the negative electrode of the second photovoltaic assembly unit and the positive electrode of the second photovoltaic assembly unit; one end of the second virtual line is connected with the third connection point, and the other end of the second virtual line is connected with the negative electrode of the third bypass diode; the fourth bypass diode is connected in series in the reverse direction between the second connection point and the fourth connection point through the third virtual line.
Optionally, the first photovoltaic module unit includes a first battery string, a second battery string and a third battery string;
the first, second, and third battery strings are connected in parallel;
the first connection point position of the first battery string, the first connection point position of the second battery string and the first connection point position of the third battery string are connected in a point-sharing mode to form a first connection point of the first photovoltaic assembly unit;
and the second connection point position of the first battery string, the second connection point position of the second battery string and the second connection point position of the third battery string are connected in a concurrent manner to form a second connection point of the first photovoltaic module unit.
Optionally, the second photovoltaic module unit includes a fourth battery string, a fifth battery string and a sixth battery string;
the fourth, fifth and sixth battery strings are connected in parallel;
a third connection point of the fourth battery string, a third connection point of the fifth battery string and a third connection point of the sixth battery string are connected in a concurrent manner to form a third connection point of the second photovoltaic module unit;
and a fourth connection point of the fourth battery string, a fourth connection point of the fifth battery string and a fourth connection point of the sixth battery string are connected in a concurrent manner to form a fourth connection point of the second photovoltaic module unit.
Optionally, the distance from the second connection point to the negative electrode of the first photovoltaic module unit is equal to the distance from the fourth connection point to the positive electrode of the second photovoltaic module unit.
Optionally, the first photovoltaic module unit further includes a plurality of first lateral interconnection circuit lines;
the first photovoltaic module unit is provided with a plurality of first transverse interconnection circuit lines on the part between the anode of the first photovoltaic module unit and the first connecting point, and the first photovoltaic module unit is provided with at least one first transverse interconnection circuit line on the part between the first connecting point and the second connecting point;
the first battery string, the second battery string and the third battery string are all connected with the first transverse interconnection circuit line; the first transverse interconnection circuit line is parallel to the third virtual line; the first transverse interconnection circuit line is used for communicating the first transverse interconnection circuit line at corresponding positions of the first battery string, the second battery string and the third battery string.
Optionally, the second photovoltaic module unit further includes a plurality of second lateral interconnection circuit lines;
the second photovoltaic module unit is provided with a plurality of second transverse interconnection circuit lines on the part between the negative electrode of the second photovoltaic module unit and the third connection point, and the second photovoltaic module unit is provided with at least one second transverse interconnection circuit line on the part between the third connection point and the fourth connection point;
the fourth battery string, the fifth battery string and the sixth battery string are all connected with the second transverse interconnection circuit line; the second transverse interconnection circuit line is parallel to the third virtual line; and the second transverse interconnection circuit line is used for communicating the second transverse interconnection circuit line at the corresponding positions of the fourth battery string, the fifth battery string and the sixth battery string.
Optionally, the first battery string, the second battery string, the third battery string, the fourth battery string, the fifth battery string, and the sixth battery string each include a plurality of battery pieces connected in series; the number of battery pieces of the first battery string, the second battery string, the third battery string, the fourth battery string, the fifth battery string and the sixth battery string is equal.
Optionally, the first virtual line, the second virtual line, and the third virtual line are tin-coated copper tapes.
Optionally, the tin-coated copper strip is welded to the back of the photovoltaic module.
Optionally, the length of the portion of the first photovoltaic module unit between the positive electrode of the first photovoltaic module unit and the first connection point is greater than half of the length of the first photovoltaic module unit; the length of the portion of the second photovoltaic module unit between the negative electrode of the second photovoltaic module unit and the third connection point is greater than half the length of the second photovoltaic module unit.
According to the utility model provides a concrete embodiment, the utility model discloses a following technological effect:
the utility model introduces the virtual line and four bypass diodes, when the photovoltaic component is vertically arranged, as long as the shielding length does not exceed the length of the part of the first photovoltaic component unit between the second connecting point and the negative electrode of the first photovoltaic component unit, the fourth bypass diode is conducted, the non-shielding area can still generate electricity, and the generated energy can reach more than 90% of that of the photovoltaic component in normal work;
the utility model discloses a combine plate interconnection technique, introduce a plurality of first horizontal interconnection circuit lines and the horizontal interconnection circuit line of second, realized the whole interconnection of circuit and the automatic reposition of redundant personnel of electric current, when having inside hidden crack or outside to shelter from on the local battery piece, avoided the appearance of serious hot spot, not only protected the subassembly material on the whole, promoted the reliability of subassembly moreover.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic circuit diagram of a board-interconnected high-density photovoltaic module circuit provided by an embodiment of the present invention;
FIG. 2 is a schematic circuit diagram of a conventional photovoltaic module;
description of the symbols: 1-a first photovoltaic module unit, 2-a second photovoltaic module unit, 3-a first bypass diode, 4-a second bypass diode, 5-a third bypass diode, 6-a fourth bypass diode, 7-a first virtual line, 8-a second virtual line, 9-a third virtual line, 10-a first connection point, 11-a second connection point, 12-a third connection point, 13-a fourth connection point, 14-a first transverse interconnection circuit line, 15-a second transverse interconnection circuit line.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a plate interconnected high-density photovoltaic module circuit, when the photovoltaic module is placed vertically to generate shielding, as long as the shielding length does not exceed the length of the part of the first photovoltaic module unit between the second connecting point and the negative pole of the first photovoltaic module unit, more than 90% of generated energy can still be ensured; the utility model discloses still combined the plate interconnection technique, realized the whole interconnection of circuit and the automatic reposition of redundant personnel of electric current, avoided the appearance of serious hot spot, not only protected the subassembly material on the whole, promoted the reliability of subassembly moreover.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
The utility model provides a board interconnection high density photovoltaic module circuit, as shown in FIG. 1, the photovoltaic module circuit includes: a first photovoltaic module unit 1, a second photovoltaic module unit 2, a first bypass diode 3, a second bypass diode 4, a third bypass diode 5, a fourth bypass diode 6, a first virtual line 7, a second virtual line 8, and a third virtual line 9;
the anode of the first photovoltaic assembly unit 1 is connected with the cathode of the second photovoltaic assembly unit 2, and the cathode of the first photovoltaic assembly unit 1 is connected with the anode of the second photovoltaic assembly unit 2; the positive electrode of the first photovoltaic assembly unit 1 is used as the positive electrode of the photovoltaic assembly circuit, and the negative electrode of the second photovoltaic assembly unit 2 is used as the negative electrode of the photovoltaic assembly circuit; a first bypass diode 3, a second bypass diode 4 and a third bypass diode 5 are sequentially connected in series between the anode of the first photovoltaic module unit 1 and the cathode of the second photovoltaic module unit 2 in a reverse direction;
a first connection point 10 and a second connection point 11 are sequentially arranged between the anode of the first photovoltaic assembly unit 1 and the cathode of the first photovoltaic assembly unit 1; one end of the first virtual line 7 is connected with the first connection point 10, and the other end of the first virtual line 7 is connected with the anode of the first bypass diode 3; a third connection point 12 and a fourth connection point 13 are sequentially arranged between the cathode of the second photovoltaic module unit 2 and the anode of the second photovoltaic module unit 2; one end of the second virtual line 8 is connected with the third connection point 12, and the other end of the second virtual line 8 is connected with the cathode of the third bypass diode 5; a fourth bypass diode 6 is reversely connected in series between the second connection point 11 and the fourth connection point 13 through a third virtual line 9; the first virtual line 7, the second virtual line 8 and the third virtual line 9 are all tin-coated copper strips, the tin-coated copper strips are welded on the back of the photovoltaic module, and the first virtual line 7 and the second virtual line 8 can lead out current to a bus bar at the head end of the photovoltaic module.
The first bypass diode 3, the first virtual line 7 and the portion of the first photovoltaic module unit 1 between the anode of the first photovoltaic module unit 1 and the first connection point 10 constitute a first module area; the length of the portion of the first photovoltaic module unit 1 between the positive electrode of the first photovoltaic module unit 1 and the first connection point 10 is greater than half the length of the first photovoltaic module unit 1; preferably, the length of the portion of the first photovoltaic module unit 1 between the positive pole of the first photovoltaic module unit 1 and the first connection point 10 is three quarters of the total length of the first photovoltaic module unit 1.
The third bypass diode 5, the second virtual line 8 and the part of the second photovoltaic module unit 2 between the cathode of the second photovoltaic module unit 2 and the third connection point 12 form a second module area; the length of the portion of the second photovoltaic module unit 2 between the negative electrode of the second photovoltaic module unit 2 and the third connection point 12 is greater than half the length of the second photovoltaic module unit 2; preferably, the length of the portion of the second photovoltaic module unit 2 between the negative pole of the second photovoltaic module unit 2 and the third connection point 12 is three quarters of the total length of the second photovoltaic module unit 2.
A third assembly area is formed by the second bypass diode 4, the first virtual line 7, the part of the first photovoltaic assembly unit 1 between the first connection point 10 and the second connection point 11, the third virtual line 9, the part of the second photovoltaic assembly unit 2 between the third connection point 12 and the fourth connection point 13 and the second virtual line 8; the length of the part of the first photovoltaic module unit 1 between the first connection point 10 and the second connection point 11 and the length of the part of the second photovoltaic module unit 2 between the third connection point 12 and the fourth connection point 13 depend on the technical design; preferably, in the embodiment of the present invention, the length of the portion of the first photovoltaic module unit 1 between the first connection point 10 and the second connection point 11 is three twentieth of the total length of the first photovoltaic module unit 1, and the length of the portion of the second photovoltaic module unit 2 between the third connection point 12 and the fourth connection point 13 is three twentieth of the total length of the second photovoltaic module unit 2.
The third virtual line 9, the part of the first photovoltaic module unit 1 between the second connection point 11 and the negative electrode of the first photovoltaic module unit 1, and the part of the second photovoltaic module unit 2 between the fourth connection point 13 and the positive electrode of the second photovoltaic module unit 2 form a fourth module area; the length of the part of the first photovoltaic module unit 1 between the second connection point 11 and the negative pole of the first photovoltaic module unit 1 depends on the technical design; preferably, in the embodiment of the present invention, the length of the portion of the first photovoltaic module unit 1 between the second connection point 11 and the negative electrode of the first photovoltaic module unit 1 is one tenth of the total length of the first photovoltaic module unit 1, and the length of the portion of the second photovoltaic module unit 2 between the fourth connection point 13 and the positive electrode of the second photovoltaic module unit 2 is one tenth of the total length of the second photovoltaic module unit 2.
The first photovoltaic module unit 1 includes a first cell string, a second cell string, and a third cell string; the first battery string, the second battery string and the third battery string are connected in parallel; the first connecting point 10 position of the first battery string, the first connecting point 10 position of the second battery string and the first connecting point 10 position of the third battery string are connected in a point-sharing manner to form a first connecting point 10 of the first photovoltaic module unit 1; the second connection point 11 position of the first battery string, the second connection point 11 position of the second battery string and the second connection point 11 position of the third battery string are connected in a point-sharing manner to form a second connection point 11 of the first photovoltaic module unit 1.
The first photovoltaic module unit 1 further comprises a plurality of parallel first transverse interconnection circuit lines 14; the first photovoltaic module unit 1 is provided with a plurality of first transverse interconnection circuit lines 14 on the part between the anode of the first photovoltaic module unit 1 and the first connection point 10, and the first photovoltaic module unit 1 is provided with at least one first transverse interconnection circuit line 14 on the part between the first connection point 10 and the second connection point 11; the first battery string, the second battery string and the third battery string are all connected with a first transverse interconnection circuit line 14; the first transverse interconnection circuit line 14 is parallel to the third virtual line 9; the first transverse interconnection circuit line 14 is used for connecting the first transverse interconnection circuit line 14 at corresponding positions of the first battery string, the second battery string and the third battery string.
The second photovoltaic module unit 2 includes a fourth cell string, a fifth cell string, and a sixth cell string; the fourth battery string, the fifth battery string and the sixth battery string are connected in parallel; the third connection point 12 position of the fourth battery string, the third connection point 12 position of the fifth battery string and the third connection point 12 position of the sixth battery string are connected in a concurrent manner to form a third connection point 12 of the second photovoltaic module unit 2; the fourth connection point 13 position of the fourth battery string, the fourth connection point 13 position of the fifth battery string and the fourth connection point 13 position of the fifth battery string are connected in a point-sharing manner to form a fourth connection point 13 of the second photovoltaic module unit 2. The distance from the second connection point 11 to the negative pole of the first photovoltaic module unit 1 is equal to the distance from the fourth connection point 13 to the positive pole of the second photovoltaic module unit 2.
The second photovoltaic module unit 2 further comprises a plurality of parallel second transverse interconnection circuit lines 15; a plurality of second transverse interconnection circuit lines 15 are arranged on the part, between the negative electrode of the second photovoltaic assembly unit 2 and the third connection point 12, of the second photovoltaic assembly unit 2, and at least one second transverse interconnection circuit line 15 is arranged on the part, between the third connection point 12 and the fourth connection point 13, of the second photovoltaic assembly unit 2; the fourth battery string, the fifth battery string and the sixth battery string are all connected with a second transverse interconnection circuit line 15; the second transverse interconnection circuit line 15 is parallel to the third virtual line 9; the second transverse interconnection circuit line 15 is used for connecting the second transverse interconnection circuit line 15 at corresponding positions of the fourth battery string, the fifth battery string and the sixth battery string.
The first battery string, the second battery string, the third battery string, the fourth battery string, the fifth battery string and the sixth battery string comprise 10-14 battery pieces which are connected in series; the number of battery pieces of the first battery string, the second battery string, the third battery string, the fourth battery string, the fifth battery string and the sixth battery string is equal.
The utility model provides a block interconnection high density photovoltaic module circuit is through first virtual line 7, second virtual line 8 and third virtual line 9, divide into 4 subassembly regions with whole subassembly, bypass diode is arranged to every subassembly region, in case back row subassembly is sheltered from when photovoltaic module erects to arrange and places, as long as shelter from not exceeding fourth subassembly regional tenth length scope, fourth bypass diode 6 of fourth subassembly region switches on, first subassembly region, second subassembly region and third subassembly region still can generate electricity, and the generated energy still has more than 90% when subassembly normal work, the output of photovoltaic module has been improved;
because the first assembly area or the second assembly area is three-fourths of the length of the whole assembly, when the third assembly area and the fourth assembly area are shielded, the second bypass diode 4 of the third assembly area is conducted, the first assembly area and the second assembly area can still generate electricity, and the electricity generation amount is still about 75% of that of the assembly in normal operation;
the utility model discloses the design of still novelty has the plate interconnection, a plurality of first horizontal interconnection circuit lines 14 and the horizontal interconnection circuit line 15 of second promptly, and the quantity of the horizontal interconnection circuit line 15 of first horizontal interconnection circuit line 14 and second is decided according to concrete design, within 1-40 within the within range. The plate interconnection connects the whole circuit on the assembly, the current shunting is realized, when the local battery plate is internally hidden or externally shielded, the local battery plate can be balanced by interconnection, the shunting is realized, the photovoltaic assembly can not generate serious hot spots, the reliability and the service life of the assembly are improved, the hidden crack resistance and the tolerance of the whole assembly are improved, and compared with the traditional photovoltaic assembly (shown in figure 2), the influence of hidden cracks on the assembly power generation capacity is reduced, and the assembly power generation capacity and the single-watt power generation capacity are improved.
The principle and the implementation of the present invention are explained herein by using specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. A panel-interconnected high-density photovoltaic module circuit, comprising: the photovoltaic module comprises a first photovoltaic module unit, a second photovoltaic module unit, a first bypass diode, a second bypass diode, a third bypass diode, a fourth bypass diode, a first virtual line, a second virtual line and a third virtual line;
the anode of the first photovoltaic assembly unit is connected with the cathode of the second photovoltaic assembly unit, and the cathode of the first photovoltaic assembly unit is connected with the anode of the second photovoltaic assembly unit; the positive electrode of the first photovoltaic assembly unit is used as the positive electrode of the photovoltaic assembly circuit, and the negative electrode of the second photovoltaic assembly unit is used as the negative electrode of the photovoltaic assembly circuit; the first bypass diode, the second bypass diode and the third bypass diode are sequentially connected in series between the anode of the first photovoltaic assembly unit and the cathode of the second photovoltaic assembly unit in a reverse direction;
a first connecting point and a second connecting point are sequentially arranged between the anode of the first photovoltaic assembly unit and the cathode of the first photovoltaic assembly unit; one end of the first virtual line is connected with the first connecting point, and the other end of the first virtual line is connected with the anode of the first bypass diode; a third connection point and a fourth connection point are sequentially arranged between the negative electrode of the second photovoltaic assembly unit and the positive electrode of the second photovoltaic assembly unit; one end of the second virtual line is connected with the third connection point, and the other end of the second virtual line is connected with the negative electrode of the third bypass diode; the fourth bypass diode is connected in series in the reverse direction between the second connection point and the fourth connection point through the third virtual line.
2. The photovoltaic module circuit of claim 1, wherein the first photovoltaic module unit comprises a first string of cells, a second string of cells, and a third string of cells;
the first, second, and third battery strings are connected in parallel;
the first connection point position of the first battery string, the first connection point position of the second battery string and the first connection point position of the third battery string are connected in a point-sharing mode to form a first connection point of the first photovoltaic assembly unit;
and the second connection point position of the first battery string, the second connection point position of the second battery string and the second connection point position of the third battery string are connected in a concurrent manner to form a second connection point of the first photovoltaic module unit.
3. The photovoltaic module circuit of claim 2, wherein the second photovoltaic module unit comprises a fourth string of cells, a fifth string of cells, and a sixth string of cells;
the fourth, fifth and sixth battery strings are connected in parallel;
a third connection point of the fourth battery string, a third connection point of the fifth battery string and a third connection point of the sixth battery string are connected in a concurrent manner to form a third connection point of the second photovoltaic module unit;
and a fourth connection point of the fourth battery string, a fourth connection point of the fifth battery string and a fourth connection point of the sixth battery string are connected in a concurrent manner to form a fourth connection point of the second photovoltaic module unit.
4. The photovoltaic module circuit of claim 1, wherein the second connection point is equidistant from the negative pole of the first photovoltaic module cell and the fourth connection point is equidistant from the positive pole of the second photovoltaic module cell.
5. The photovoltaic module circuit of claim 2, wherein the first photovoltaic module unit further comprises a plurality of first lateral interconnection circuit lines;
the first photovoltaic module unit is provided with a plurality of first transverse interconnection circuit lines on the part between the anode of the first photovoltaic module unit and the first connecting point, and the first photovoltaic module unit is provided with at least one first transverse interconnection circuit line on the part between the first connecting point and the second connecting point;
the first battery string, the second battery string and the third battery string are all connected with the first transverse interconnection circuit line; the first transverse interconnection circuit line is parallel to the third virtual line; the first transverse interconnection circuit line is used for communicating the first transverse interconnection circuit line at corresponding positions of the first battery string, the second battery string and the third battery string.
6. The photovoltaic module circuit of claim 3, wherein the second photovoltaic module unit further comprises a plurality of second lateral interconnection circuit lines;
the second photovoltaic module unit is provided with a plurality of second transverse interconnection circuit lines on the part between the negative electrode of the second photovoltaic module unit and the third connection point, and the second photovoltaic module unit is provided with at least one second transverse interconnection circuit line on the part between the third connection point and the fourth connection point;
the fourth battery string, the fifth battery string and the sixth battery string are all connected with the second transverse interconnection circuit line; the second transverse interconnection circuit line is parallel to the third virtual line; and the second transverse interconnection circuit line is used for communicating the second transverse interconnection circuit line at the corresponding positions of the fourth battery string, the fifth battery string and the sixth battery string.
7. The photovoltaic module circuit of claim 3, wherein the first, second, third, fourth, fifth, and sixth cell strings each comprise a plurality of series-connected cell pieces; the number of battery pieces of the first battery string, the second battery string, the third battery string, the fourth battery string, the fifth battery string and the sixth battery string is equal.
8. The photovoltaic module circuit of claim 1, wherein the first, second, and third dummy lines are tin-coated copper tape.
9. The photovoltaic module circuit of claim 8, wherein the tin-coated copper tape is soldered to the back side of the photovoltaic module.
10. The photovoltaic module circuit of claim 1, wherein a length of a portion of the first photovoltaic module cell between the positive electrode of the first photovoltaic module cell and the first connection point is greater than half the length of the first photovoltaic module cell; the length of the portion of the second photovoltaic module unit between the negative electrode of the second photovoltaic module unit and the third connection point is greater than half the length of the second photovoltaic module unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921509971.3U CN210926036U (en) | 2019-09-11 | 2019-09-11 | Board interconnected high-density photovoltaic module circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921509971.3U CN210926036U (en) | 2019-09-11 | 2019-09-11 | Board interconnected high-density photovoltaic module circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210926036U true CN210926036U (en) | 2020-07-03 |
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ID=71353144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921509971.3U Active CN210926036U (en) | 2019-09-11 | 2019-09-11 | Board interconnected high-density photovoltaic module circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210926036U (en) |
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2019
- 2019-09-11 CN CN201921509971.3U patent/CN210926036U/en active Active
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