CN213342148U

CN213342148U - Intelligent photovoltaic module

Info

Publication number: CN213342148U
Application number: CN202022536342.9U
Authority: CN
Inventors: 高真; 刘康康; 刘晨
Original assignee: Huangshi Jinneng Photovoltaic Co ltd
Current assignee: Huangshi Jinneng Photovoltaic Co ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-06-01
Anticipated expiration: 2030-11-05

Abstract

The utility model relates to an intelligent photovoltaic module, including plate interconnected photovoltaic board, intelligent terminal box, its characterized in that: the plate interconnected photovoltaic panel and the intelligent junction box are integrated together through silica gel, and the intelligent junction box is bonded on the back plate glass of the plate interconnected photovoltaic panel; the plate interconnected photovoltaic panel is formed by sequentially laminating panel glass, a front adhesive film, a plate interconnected solar cell string, a back adhesive film and back plate glass; an electrical property optimization circuit board and a monitoring chip are integrated in the intelligent junction box, and connecting wires are arranged to respectively lead out the positive electrode and the negative electrode of the plate interconnected photovoltaic panel. The utility model discloses combine together plate interconnection photovoltaic module circuit and intelligent terminal box or intelligent photovoltaic optimizer, except possessing the advantage of plate interconnection subassembly, can also realize the function that photovoltaic module's subassembly level power was optimized, subassembly level control and safety were turn-offed.

Description

Intelligent photovoltaic module

Technical Field

The utility model relates to an intelligent photovoltaic module.

Background

Patent CN 210926036U: a circuit of a slab-interconnected high-density photovoltaic module is shown in figure 1, wherein the numbers in the figure are as follows: 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. Above-mentioned prior art has realized the whole interconnection of circuit and the automatic reposition of redundant personnel of electric current through the plate interconnection, has avoided the appearance of serious hot spot, has not only protected the subassembly material on the whole, has promoted the reliability of subassembly moreover. The above technique has the following disadvantages: the method realizes the avoidance of serious hot spots only by adjusting the series-parallel connection mode of the cells in the photovoltaic module, but does not have the functions of module-level power optimization, module-level monitoring and safe turn-off of the intelligent photovoltaic module.

Disclosure of Invention

The utility model discloses a problem and defect in order to overcome prior art exist provide an intelligent photovoltaic module. The utility model discloses combine together plate interconnection photovoltaic module circuit and intelligent terminal box or intelligent photovoltaic optimizer, except possessing the advantage of plate interconnection subassembly, can also realize the function that photovoltaic module's subassembly level power was optimized, subassembly level control and safety were turn-offed.

The technical scheme of the utility model is that:

the utility model provides an intelligent photovoltaic module, includes plate interconnection photovoltaic board, intelligent terminal box which characterized in that: the plate interconnected photovoltaic panel and the intelligent junction box are integrated together through silica gel, and the intelligent junction box is bonded on the back plate glass of the plate interconnected photovoltaic panel; the plate interconnected photovoltaic panel is formed by sequentially laminating panel glass, a front adhesive film, a plate interconnected solar cell string, a back adhesive film and back plate glass; an electrical property optimization circuit board and a monitoring chip are integrated in the intelligent junction box, and connecting wires are arranged to respectively lead out the positive electrode and the negative electrode of the plate interconnected photovoltaic panel.

The utility model provides an intelligent photovoltaic module, includes plate interconnection photovoltaic board, ordinary terminal box and outer hanging intelligent photovoltaic optimizer, its characterized in that: the plate interconnected photovoltaic panel and the common junction box are integrated together through silica gel, the externally-hung intelligent photovoltaic optimizer is connected with the common junction box through a cable, and the common junction box and the externally-hung intelligent photovoltaic optimizer are bonded on the back plate glass of the plate interconnected photovoltaic panel; the plate interconnected photovoltaic panel is formed by sequentially laminating panel glass, a front adhesive film, a plate interconnected solar cell string, a back adhesive film and back plate glass; an electrical property optimizing circuit board and a monitoring chip are integrated in the externally-hung intelligent photovoltaic optimizer, and connecting wires are arranged to respectively lead out the positive electrode and the negative electrode of the plate interconnected photovoltaic panel.

Plate interconnected solar cell cluster by a plurality of solar wafer, converge the end busbar, the parallelly connected busbar and a plurality of extreme busbar of a plurality of solar wafer back constitute, a plurality of solar wafer link to each other with converging the end busbar after through establishing ties, a plurality of solar wafer link to each other with the parallelly connected busbar of solar wafer back through parallelly connected back, draw forth positive negative pole through a plurality of extreme busbars at last, the plate interconnected circuit that circuit concrete connection form adopted is also patent CN 210926036U: a board-interconnected high-density photovoltaic module circuit.

The utility model discloses combine together plate interconnection photovoltaic module circuit and intelligent terminal box or intelligent photovoltaic optimizer, except possessing the advantage of plate interconnection subassembly, can also realize the function that photovoltaic module's subassembly level power was optimized, subassembly level control and safety were turn-offed. Compared with a common plate interconnection assembly, the intelligent photovoltaic module is more intelligent, has the characteristics of an intelligent assembly, can monitor the power generation condition of each photovoltaic assembly in real time, and is convenient for operation, maintenance and management of the photovoltaic assemblies; when the power generation of the component is abnormal, the electrical property of the component can be optimized and adjusted, and the photovoltaic component is ensured to work in the optimal output state all the time; in addition, when fire disasters and other emergency situations occur, the voltage of the assemblies can be reduced to be lower than 30V by the intelligent junction box or the intelligent photovoltaic optimizer, and the assemblies in the assembly string are mutually disconnected, so that the direct-current high-voltage risk of a photovoltaic power station is eliminated, and the safety operation of fire fighting and rescue personnel is facilitated.

Drawings

Fig. 1 is a circuit diagram of a conventional high-density photovoltaic module with interconnected panels.

Fig. 2 is a schematic front view of an embodiment of the present invention.

Fig. 3 is a schematic back view of an embodiment of the present invention.

Fig. 4 is a schematic side view of an embodiment of the present invention.

Fig. 5 the utility model discloses a plate interconnection battery cluster split sketch map.

Fig. 6 is a schematic structural view of another embodiment of the present invention.

Detailed Description

It is right to combine the figure below the utility model discloses carry out the detailed description, the utility model discloses a plate interconnected photovoltaic module circuit, photovoltaic module, intelligent terminal box or outer hanging intelligent photovoltaic optimizer are current structure, direct purchase.

Patent CN 210926036U: a circuit of a slab-interconnected high-density photovoltaic module is shown in figure 1, wherein the numbers in the figure are as follows: 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. In the prior art, the whole interconnection of a circuit and the automatic shunt of current are realized through plate interconnection, the occurrence of serious hot spots is avoided, the component material is integrally protected, and the reliability of the component is improved. The above-described technique has the following disadvantages: the existing plate interconnection technology only realizes the avoidance of serious hot spots through the adjustment of a series-parallel connection mode of cells in a photovoltaic module, but does not have the functions of module-level power optimization, module-level monitoring and safe turn-off of an intelligent photovoltaic module.

As shown in fig. 2, fig. 3, fig. 4, and fig. 5, the utility model discloses an intelligent photovoltaic module, including plate interconnected photovoltaic board 21, intelligent terminal box 22, its characterized in that: the plate interconnected photovoltaic panel 21 and the intelligent junction box 22 are integrated together through silica gel 23, and the intelligent junction box 22 is adhered to the back glass 215 of the plate interconnected photovoltaic panel 21; as shown in fig. 5, the plate interconnected photovoltaic panel 21 is formed by sequentially laminating a panel glass 211, a front adhesive film 212, a plate interconnected solar cell string 213, a back adhesive film 214 and a back glass 215; an electrical property optimization circuit board and a monitoring chip are integrated in the intelligent junction box 22, and connecting wires are arranged to respectively lead out the positive electrode and the negative electrode of the plate interconnected photovoltaic panel 21. As shown in fig. 5, the plate-interconnected solar cell string 213 is composed of a plurality of solar cells 2131, a bus bar 2132, a plurality of parallel bus bars 2133 on the back of the solar cells, and a plurality of output terminal bus bars 2134, wherein the plurality of solar cells 2131 are connected in series and then connected to the bus bar 2132, the plurality of solar cells 2131 are connected in parallel and then connected to the parallel bus bar 2133 on the back of the solar cells, and finally, positive and negative electrodes are led out through the plurality of output terminal bus bars 2134, and the specific connection form of the circuit is as disclosed in patent CN 210926036U: a board-interconnected high-density photovoltaic module circuit.

Of course, the utility model discloses a can also adopt ordinary terminal box 22' and outer hanging intelligent photovoltaic optimizer 24 to replace intelligent terminal box 22. As shown in fig. 6, the utility model discloses an intelligent photovoltaic module, including plate interconnected photovoltaic board 21, ordinary terminal box 22' and outer hanging intelligent photovoltaic optimizer 24, its characterized in that: the plate interconnected photovoltaic panel 21 and the common junction box 22 ' are integrated together through silica gel 23, the externally hung intelligent photovoltaic optimizer 24 is connected with the common junction box 22 ' through a cable, and the common junction box 22 ' and the externally hung intelligent photovoltaic optimizer 24 are adhered to the back plate glass 215 of the plate interconnected photovoltaic panel 21; as shown in fig. 5, the plate interconnected photovoltaic panel 21 is formed by sequentially laminating a panel glass 211, a front adhesive film 212, a plate interconnected solar cell string 213, a back adhesive film 214 and a back glass 215; an electrical property optimization circuit board and a monitoring chip are integrated in the externally-hung intelligent photovoltaic optimizer 24, and connecting wires are arranged to respectively lead out the positive electrode and the negative electrode of the plate interconnected photovoltaic panel 21; the plate-interconnected solar cell string 213 is composed of a plurality of solar cells 2131, bus bar 2132, parallel bus bars 2133 on the back of the solar cells and a plurality of pole-out bus bars 2134, the solar cells 2131 are connected with the bus bar 2132 after being connected in series, the solar cells 2131 are connected with the parallel bus bars 2133 on the back of the solar cells after being connected in parallel, and finally, the pole and the cathode are led out through the pole-out bus bars 2134, and the specific connection form of the circuit adopts patent CN 210926036U: a board-interconnected high-density photovoltaic module circuit.

Claims

1. The utility model provides an intelligent photovoltaic module, includes plate interconnection photovoltaic board (21), intelligent terminal box (22), its characterized in that: the plate interconnection photovoltaic panel (21) and the intelligent junction box (22) are integrated together through silica gel (23), and the intelligent junction box (22) is bonded on back plate glass (215) of the plate interconnection photovoltaic panel (21); the plate interconnection photovoltaic panel (21) is formed by sequentially laminating panel glass (211), a front adhesive film (212), a plate interconnection solar cell string (213), a back adhesive film (214) and back plate glass (215); an electrical property optimization circuit board and a monitoring chip are integrated in the intelligent junction box (22), and connecting wires are arranged to respectively lead out the positive electrode and the negative electrode of the plate interconnected photovoltaic panel (21).

2. An intelligent photovoltaic module, comprising a plate interconnected photovoltaic plate (21), a common junction box (22') and an external hanging intelligent photovoltaic optimizer (24), characterized in that: the plate interconnection photovoltaic panel (21) and the common junction box (22 ') are integrated together through silica gel (23), the externally hung intelligent photovoltaic optimizer (24) is connected with the common junction box (22 ') through a cable, and the common junction box (22 ') and the externally hung intelligent photovoltaic optimizer (24) are adhered to the back plate glass (215) of the plate interconnection photovoltaic panel (21); the plate interconnection photovoltaic panel (21) is formed by sequentially laminating panel glass (211), a front adhesive film (212), a plate interconnection solar cell string (213), a back adhesive film (214) and back plate glass (215); an electrical property optimization circuit board and a monitoring chip are integrated in the externally-hung intelligent photovoltaic optimizer (24), and connecting wires are arranged to respectively lead out the positive electrode and the negative electrode of the plate interconnected photovoltaic panel (21).

3. An intelligent photovoltaic module according to claim 1 or 2, characterized in that: the plate interconnected solar cell string (213) is composed of a plurality of solar cells (2131), a bus bar (2132), parallel bus bars (2133) on the back of the solar cells and a plurality of output terminal bus bars (2134), the solar cells (2131) are connected with the bus bar (2132) after being connected in series, the solar cells (2131) are connected with the parallel bus bars (2133) on the back of the solar cells after being connected in parallel, and finally, the positive and negative electrodes are led out through the output terminal bus bars (2134), and the specific connection form of the circuit is a plate interconnected circuit.