CN206364027U - A kind of anti-PID is from cooling photovoltaic module - Google Patents

Abstract

The utility model discloses a kind of anti-PID from cooling photovoltaic module, belong to solar energy generation technology field, solving photovoltaic module internal heat in conventional art can not evacuate in time, operating temperature is high, the problem of being also easy to produce PID phenomenons, including laminate, frame, terminal box, laminate includes stacking gradually the preceding glass sheet of arrangement from top to bottom, insulating barrier, first packaging adhesive film, cell piece, from heat sink, second packaging adhesive film, back-panel glass, include fin from heat sink, fin top is connected with cell piece, bottom is connected with cooling layer, cool layer two ends connection swelling space, swelling space one end is provided with instruction block, permeable membrane is set between swelling space and instruction block, indicate the inside filling discoloration silica gel of block, outside sets screw, bolt is set in screw.Can cool from heat sink to the operating temperature of cell piece in the utility model, evacuates heat in time, extends the service life of photovoltaic module, avoids occurring PID phenomenons by insulating barrier.

Description

A kind of anti-PID is from cooling photovoltaic module

Technical field

The utility model is related to solar energy generation technology field, specifically, more particularly to a kind of anti-PID is from cooling photovoltaic Component.

Background technology

In today of fossil energy worsening shortages, non-renewable energy resources-solar energy is gradually occupied in domestic market of energy consumption Certain status, and the use of solar energy is more and more frequent, therefore be also always not on the correlative study of photovoltaic system One important subject of field of renewable energy.The existing design mostly on photovoltaic module improve only solar energy Generating efficiency, photovoltaic module is not solved and is caused component internal temperature too high due to sunshine or working principle well, heat Amount accumulation can not disperse, and then cause the aging of component internal structure, the problem of shortening component service life, and due to photovoltaic The cover-plate glass that component is used mostly has the precipitation of sodium ion for simple glass rather than quartz glass, and then in cell piece Surface aggregation so that cell piece surface passivation effect deteriorates, and reduces the performance of photovoltaic module.

The content of the invention

The utility model discloses a kind of anti-PID from the photovoltaic module that cools, for solving in conventional art in photovoltaic module Portion's heat can not be evacuated in time, operating temperature is high, the problem of be also easy to produce PID phenomenons.

The utility model is achieved through the following technical solutions：

A kind of anti-PID includes from top to bottom from cool photovoltaic module, including laminate, frame, terminal box, the laminate Stack gradually the preceding glass sheet of arrangement, insulating barrier, the first packaging adhesive film, cell piece, from heat sink, the second packaging adhesive film, the back of the body Glass sheet, it is described to include fin, cooling layer, swelling space, instruction block, the heatsink upper surface and battery from heat sink Piece is fixedly connected, and lower surface is fixedly connected with cooling layer, and the cooling layer two ends are connected to swelling space, described to be swelled sky Between one end provided with indicate block, the swelling space and indicate block between be provided with permeable membrane, the inside of the instruction block is filled with Change colour silica gel, and outside, which is provided with screw, the screw, is provided with bolt.

The laminate is sheathed in frame, and the laminate back side is provided with terminal box, between the laminate and frame Using silica gel sealing.

Cell piece is completely covered in the upright projection region of the insulating barrier.

The insulating barrier is transparent material, is made of polytetrafluoroethylene (PTFE) or polyvinyl chloride.

The surface of insulating layer makes it be arranged regularly in the form of ripple through processing.

The fin two ends are fixedly connected with thermal insulation board.

The thermal insulation board is made of plating metal polyester material.

The cooling layer is made of hydrogel.

The permeable membrane is semipermeable membrane, is made of high polymer material, and only allows hydrone to pass through.

Compared with prior art, the beneficial effects of the utility model are：

1st, use and the heat on cell piece surface is disperseed in the utility model from the fin in heat sink, quickly The temperature on cell piece surface is effectively reduced, extends the service life of cell piece, and fin two ends are provided with thermal insulation board, due to The heat reflectivity of metal polyester material is plated, heat is concentrated through fin radiating, it is to avoid heat four dissipates to be caused to other assemblies Infringement；

2nd, the hydrogel that the cooling layer in the utility model is used has the function that efficient moisture-retention cools, and can pass fin The heat passed is fully absorbed, the temperature inside reduction laminate, and makes absorbed heat, interior part by swelling space Space between son is expanded, and extends the service life of hydrogel, while being swelled the water of the limit to reaching using the silica gel that changes colour Gel, which is provided, changes prompting.

3rd, the insulating barrier set in the utility model is arranged using corrugated form, fully covers the surface of cell piece, is prevented Only Ion transfer causes PID phenomenons.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model；

Fig. 2 is the detailed construction schematic diagram of the utility model laminate.

In figure：1st, frame；2nd, terminal box；3rd, preceding glass sheet；4th, insulating barrier；5th, the first packaging adhesive film；6th, cell piece；7、 Second packaging adhesive film；8th, back-panel glass；9th, fin；10th, cool layer；11st, swelling space；12nd, block is indicated；13rd, permeable membrane； 14th, screw；15th, bolt；16th, thermal insulation board.

Embodiment

The utility model is further illustrated below in conjunction with the accompanying drawings：

A kind of anti-PID from cooling photovoltaic module, including laminate, frame 1, terminal box 2, the laminate include on to Under stack gradually the preceding glass sheet 3 of arrangement, insulating barrier 4, the first packaging adhesive film 5, cell piece 6, from heat sink, the second encapsulation Glued membrane 7, back-panel glass 8, it is described to include fin 9, cooling layer 10, swelling space 11, instruction block 12 from heat sink, it is described to dissipate The upper surface of backing 9 is fixedly connected with cell piece 6, and lower surface is fixedly connected with cooling layer 10, and cooling layer 10 two ends connect respectively Swelling space 11 is connected to, one end of the swelling space 11 is provided with instruction block 12, between the swelling space 11 and instruction block 12 Provided with permeable membrane 13, the inside for indicating block 12 is provided with screw 14, the screw 14 and set filled with discoloration silica gel, outside There is bolt 15.

The laminate is sheathed in frame 1, and the laminate back side is provided with terminal box 2, the laminate and frame 1 it Between use silica gel sealing.

Cell piece 6 is completely covered in the upright projection region of the insulating barrier 4.

The insulating barrier 4 is transparent material, is made of polytetrafluoroethylene (PTFE) or polyvinyl chloride.

The surface of insulating barrier 4 makes it be arranged regularly in the form of ripple through processing.

The two ends of fin 9 are fixedly connected with thermal insulation board 16.

The thermal insulation board 16 is made of plating metal polyester material.

The cooling layer 10 is made of hydrogel.

The permeable membrane 13 is semipermeable membrane, is made of high polymer material, and only allows hydrone to pass through.

During the utility model is in use, convert solar energy into electrical energy, the operating temperature of cell piece 6 is increasingly Height, the scattered hydrogel being transferred in cooling layer 10, cooling layer 10 of heat that now fin 9 produces cell piece 6 is dropped Temperature, the volume of hydrogel is constantly expanded with the expansion in gap between hydrone inner molecular structure, and part hydrogel enters Swelling space 11, when reaching when being swelled the limit of hydrogel, internal hydrone is entered in instruction block 12 through permeable membrane 13 Portion, causes the change of discoloration silica gel color, is judged whether to need to change hydrogel according to the change of discoloration silica gel color, works as discoloration When silica gel reaches capacity, bolt 15 only need to be turned on, discoloration silica gel is changed.While the first packaging adhesive film 5 and preceding glass sheet 3 Between be provided with insulating barrier 4, the sodium ion before preventing in glass sheet 3, to the surface migration of cell piece 6, is prevented in the environment of moistening Cause PID phenomenons.The utility model practical value is high, can be widely applied to solar energy generation technology field.

In summary, preferred embodiment only of the present utility model, not implements for limiting the utility model Scope, the equivalent change carried out by all shape, construction, feature and spirit according to described in the utility model right is with repairing Decorations, all should be included in right of the present utility model.

Claims (9)

1. Photovoltaic module, including laminate, frame (1), terminal box (2) 1. a kind of anti-PID cools certainly, it is characterised in that：The layer Casting die includes preceding glass sheet (3), insulating barrier (4), the first packaging adhesive film (5), the cell piece for stacking gradually arrangement from top to bottom (6) it is described to include fin (9), cooling layer from heat sink, from heat sink, the second packaging adhesive film (7), back-panel glass (8) (10), swelling space (11), indicate block (12), fin (9) upper surface is fixedly connected with cell piece (6), lower surface and Cooling layer (10) is fixedly connected, and described cooling layer (10) two ends are connected to swelling space (11), the swelling space (11) One end provided with indicating block (12), the swelling space (11) and indicate to be provided with permeable membrane (13) between block (12), the instruction The inside of block (12) is filled with discoloration silica gel, and outside, which is provided with screw (14), the screw (14), is provided with bolt (15).
2. The photovoltaic module 2. a kind of anti-PID according to claim 1 cools certainly, it is characterised in that：The laminate is sheathed on In frame (1), the laminate back side is provided with terminal box (2), and silica gel sealing is used between the laminate and frame (1).
3. The photovoltaic module 3. a kind of anti-PID according to claim 1 cools certainly, it is characterised in that：The insulating barrier (4) hang down Cell piece (6) is completely covered in straight view field.
4. The photovoltaic module 4. a kind of anti-PID according to claim 1 cools certainly, it is characterised in that：The insulating barrier (4) is Bright material, is made of polytetrafluoroethylene (PTFE) or polyvinyl chloride.
5. The photovoltaic module 5. a kind of anti-PID according to claim 1 cools certainly, it is characterised in that：Insulating barrier (4) surface Through processing, it is set to be arranged regularly in the form of ripple.
6. The photovoltaic module 6. a kind of anti-PID according to claim 1 cools certainly, it is characterised in that：Fin (9) two ends It is fixedly connected with thermal insulation board (16).
7. The photovoltaic module 7. a kind of anti-PID according to claim 6 cools certainly, it is characterised in that：The thermal insulation board (16) is adopted It is made of plating metal polyester material.
8. The photovoltaic module 8. a kind of anti-PID according to claim 1 cools certainly, it is characterised in that：The cooling layer (10) is adopted It is made of hydrogel.
9. The photovoltaic module 9. a kind of anti-PID according to claim 1 cools certainly, it is characterised in that：The permeable membrane (13) is Semipermeable membrane, is made of high polymer material, and only allows hydrone to pass through.