A kind of photovoltaic cell component of novel circuit design
The utility model belongs to photovoltaic cell technical field, and in particular to a kind of photovoltaic cell group of novel circuit design
In the course of work of solar cell module, if there is shadow occlusion some or certain solar cells, meeting
Cause the output with the concatenated other batteries of shade battery that can all consume on the battery, this energy expenditure can lead to battery PN
The partial breakdown of knot, and cause hot-spot, here it is hot spot effects.Solar cell meets with due to hot spot effect in order to prevent
It being damaged, common solution is to install bypass diode additional on the basis of primary circuit, when light is not blocked, each two pole
Pipe is in reverse bias, and each battery is producing electricl energy.It can stop producing electricl energy when a battery is blocked, become a height
Valued resistor, while other batteries promote its reverse bias, lead to the diode current flow for connecting battery both ends, flow through and be blocked originally
The electric current of battery shunted by diode.
In the prior art, solar energy half battery photovoltaic module includes multiple battery strings groups, and each battery strings group includes two
A parallel arrangement and concatenated battery strings, the general connection type that a diode is shared using two battery strings group parallel connections, example
In component most of partial occlusion occurs for existing photovoltaic module as shown in Figure 1, only 3 diodes, such circuit
When, component output power can be caused, which to be exported than the component power of conventional full wafer cell piece, to be reduced, and practical application band is thus given
Carry out larger hidden danger, and its terminal box, using 3 Split type connecting boxes with diode, is producing as general components
Lamination process needs artificial bending busbar connecting terminal, manual alignment to be inserted into terminal box busbar hole when busbar is drawn
Human weld, this structure terminal box encapsulation wiring technique are difficult that exploitation is suitble to certainly to artificial bending fitting bus terminal again again after gap
Dynamicization or semi-automatic work machine, be in photovoltaic component encapsulating technique a small number of processes that can not yet realize automated job it
Utility model content
To solve the above-mentioned problems, the utility model provides a kind of photovoltaic cell component of novel circuit design, improves
Photovoltaic cell component power output rate.
The technical solution of the utility model is：A kind of photovoltaic cell component of novel circuit design, including photovoltaic cell side
Battle array, the photovoltaic battery matrix include two battery string locations in parallel, and each battery string location includes m concatenated battery strings
Group and m the bypass diode in parallel with battery strings group one-to-ones correspondence, each battery strings group include two and arrange parallel respectively
And the integer that concatenated battery strings, wherein m are >=1.
The utility model is a kind of photovoltaic cell component of novel circuit design, first connects battery strings group to obtain battery strings
Unit, then two battery string locations are in parallel, and each battery strings group corresponds parallel connection one respectively in the utility model
A bypass diode, for the existing connection type for sharing a bypass diode using two battery strings group parallel connections,
The utility model can effectively protect cell piece when component is blocked with hot spot, improve component output power and generated energy.
In the utility model there are many connection types of bypass diode, preferably, further include integrated circuit board, it is described
Integrated circuit board is located between two battery string locations, the corresponding position of the battery string location of the integrated circuit board and both sides
It is provided with the battery strings pad with the interconnecting strip welding cooperation in battery strings, each battery strings group corresponds a bypass in parallel
Diode, anode and cathode two battery strings pads connection corresponding with battery strings group respectively of the bypass diode, with
Keep bypass diode in parallel with battery strings group, the both ends of the integrated circuit board are respectively arranged with the anode with photovoltaic battery matrix
The positive electrode pad that lead-out wire is connected and the negative electrode pad being connected with the negative outside wire of photovoltaic battery matrix.
The utility model can be connect by integrated circuit board with each battery strings group, in order to be connect to each battery strings group
Enter bypass diode in parallel, when bypass diode accesses so that anode and two corresponding with battery strings group respectively, cathode
Battery strings pad connects, you can so that bypass diode is in parallel with each battery strings group.The utility model can make each electricity
Pond string group access bypass diode in parallel, you can convenient for increasing the quantity of bypass diode, improve battery efficiency, and operate
It is convenient, component stack process is reduced, component production efficiency is improved.Integrated circuit board can be flexible or hard in the utility model
Preferably, the m is 3.
Preferably, further including multiple terminal boxes.
Preferably, the terminal box is m, there are two bypass diode, the terminal boxes for setting in each terminal box
Two interior bypass diodes correspond to concatenated two battery strings groups with two battery string locations and are connected in parallel respectively, the side
Corresponding with the battery strings group two battery strings pads connection respectively of the anode and cathode of road diode so that bypass diode and
Battery strings group is in parallel.Bypass diode can also be set in terminal box in the utility model, wherein each terminal box setting two
A bypass diode, two bypass diodes, two battery strings groups corresponding with position in two battery string locations are connected in parallel,
Make one battery strings group of each bypass diode management and control.
In the utility model there are many types of cell piece, using existing a plurality of types of cell pieces, preferably,
The battery strings include multiple cell pieces being connected in series with, and the cell piece is slice cell piece.
Preferably, the slice cell piece is 1/2 slice cell piece or 1/4 slice cell piece.In the utility model
It may be other kinds of slice cell piece to be sliced cell piece.
Compared with prior art, the beneficial effects of the utility model are embodied in：
The utility model is applicable to the battery component of half cell piece component or arbitrary dimension, it can also be used to conventional whole
Piece cell piece component, the utility model makes each battery strings group access a bypass diode in parallel, relative to tradition
Photovoltaic module for, can effectively protect cell piece when component is blocked with hot spot, improve component output power and hair
Electricity, while production technology is greatly simplified, it is easy to operate, component stack process is reduced, component production efficiency is improved.
Description of the drawings
Fig. 1 is the structural schematic diagram of the photovoltaic cell component of the prior art.
Fig. 2 is the structural schematic diagram of the utility model.
Fig. 3 is a kind of structural schematic diagram of embodiment of parallel connection access bypass diode in the utility model Fig. 2.
Fig. 4 is the structural schematic diagram of the utility model terminal box arrangement.
Specific implementation mode
As shown in Figures 2 and 3, the utility model includes photovoltaic battery matrix, and photovoltaic battery matrix includes two in parallel
Battery string location 7, each battery string location 7 include that m concatenated battery strings groups 6 and m are a pair of with battery strings group 6 one respectively
Bypass diode 2 in parallel is answered, each battery strings group 6 includes two parallel arrangements and concatenated battery strings, wherein m are >=1
In the utility model there are many set-up modes of bypass diode, the utility model further includes integrated circuit board 1, collection
Between being located at two battery string locations 7 at circuit board 1, integrated circuit board 1 and the corresponding position of the battery string location 7 of both sides are set
It is equipped with the battery strings pad 11 with the interconnecting strip welding cooperation in battery strings, each battery strings group 6 corresponds a side in parallel
Road diode 2, anode and cathode two battery strings pads 11 connection corresponding with battery strings group 6 respectively of bypass diode 2,
So that bypass diode 2 is in parallel with battery strings group 6, the both ends of integrated circuit board 1 are respectively arranged with photovoltaic battery matrix just
The positive electrode pad 12 that pole lead-out wire is connected and the negative electrode pad being connected with the negative outside wire of photovoltaic battery matrix
Battery strings include multiple cell pieces being connected in series in the utility model, there is the type of cell piece in the utility model
A variety of, using existing a plurality of types of cell pieces, cell piece is slice cell piece, such as slice cell piece is 1/2 slice
Cell piece or 1/4 slice cell piece.Slice cell piece in the utility model may be other kinds of slice cell piece.
Bypass diode can be integrated on integrated circuit board by the utility model, and the utility model passes through integrated circuit board
1 connect with each battery strings group 6, and in order to access bypass diode 2 in parallel to each battery strings group 6, bypass diode 2 connects
It is fashionable so that anode and cathode two battery strings pads 11 connection corresponding with battery strings group 6 respectively, you can so that bypass two
Pole pipe 2 is in parallel with each battery strings group 6.The each battery strings group 6 that the utility model can make accesses bypass diode in parallel
2, you can convenient for increasing the quantity of bypass diode 2, improve battery efficiency, and easy to operate, reduce component stack process, carry
High component production efficiency.Integrated circuit board 1 can be flexible or hardness in the utility model.Integrated circuit in the utility model
Plate 11 is encapsulated among two layers of encapsulating material such as EVA, POE of component, and such application can be used for Normal back plate component, also may be used
For solar double-glass assemblies.
As shown in figure 4, the utility model further includes multiple terminal boxes 3.Such as terminal box 3 can be m, each terminal box
Setting is there are two bypass diode 2 in 3, two bypass diodes 2 in terminal box 3 respectively with it is right in two battery string locations 7
Concatenated two battery strings groups 6 are answered to be connected in parallel, the anode and cathode of bypass diode 2 are corresponding with battery strings group 6 respectively
Two battery strings pads 11 connect, so that bypass diode 2 is in parallel with battery strings group 6.Bypass diode 2 is set in the utility model
It is placed in terminal box 3, wherein two bypass diodes 2, two bypass diodes 2 and two battery strings are arranged in each terminal box 3
The corresponding two battery strings groups 6 in position are connected in parallel in unit 7 so that each bypass diode 2 management and control, one battery strings group 6.
Multiple battery strings groups 6 can be set, such as m is 3, i.e. each battery string location 7 in the utility model in each battery string location 7
It is interior that 3 battery strings groups 6 can be set, the anode and cathode of photovoltaic battery matrix can be set to the both ends of integrated circuit board,
Two terminal boxes positioned at integrated circuit board both ends are respectively as positive terminal box and negative junction box.