CN201616447U

CN201616447U - Solar electricity-heating integrated component

Info

Publication number: CN201616447U
Application number: CN200920298520XU
Authority: CN
Inventors: 刘汉元; 邓卫平
Original assignee: Tongwei Solar Co Ltd
Current assignee: Tongwei Solar Co Ltd
Priority date: 2009-12-25
Filing date: 2009-12-25
Publication date: 2010-10-27
Anticipated expiration: 2019-12-25

Abstract

The utility model discloses a solar electricity-heating integrated component, which comprises a back plate, a thermal insulating layer, a cyclic pipeline, a metal thin plate, a TPT material layer, an EVA material layer, a battery sheet, another EVA material layer, and ultrawhite tempered glass which are sequentially arranged and are fixed through borders at the periphery. The TPT material layer, the EVA material layer, the battery sheet, the another EVA material layer, and ultrawhite tempered glass are molded through heating and curing; the TPT material layer is stuck with the metal thin plate through a silicone grease layer which is used for absorbing heat; the cyclic pipeline comprises a main cyclic pipe at the top part and a heating pipe which is vertically communicated with the main cyclic pipe; the back surface of the melt thin plate is stuck with or is welded with the heating pipe; the hollow cavity among the metal thin plate, the heating pipe and the back plate is filed with the thermal insulating layer. In the utility model, the waste heat generated by the battery sheet is rapidly transmitted to the outside through the metal thin plate with good heat-transferring effect, meanwhile, heat exchanging is conducted through the cyclic pipeline, and then the heat energy is transferred to a heat storage device, therefore, the utilization rate of waste heat and overall utilization rate of solar energy are increased.

Description

The solar electrothermal integral component

Technical field

The utility model relates to the solar electrothermal integral component, particularly the battery component of the integrated integrated use of electric heating.

Background technology

During the crystal silicon solar energy battery generating, back temperature is higher than surface temperature and ambient air temperature, increases with solar irradiance, generated output rises, the cell backside temperature rise is very big, has illustrated that crystal silicon solar energy battery has two kinds of effects of photovoltaic/thermal, and wherein photo-thermal effect will cause conversion efficiency to reduce.

For common crystal silicon solar assembly, generally solidify to form by EVA material layer, battery sheet, EVA material layer, ultrawhite toughened glass.When this crystal silicon solar energy battery is subjected to solar light irradiation to carry out opto-electronic conversion, the low energy and photo-generated carrier (electronics and the hole) compound tense that are higher than energy gap at projection light, all give off energy, wherein most about 80% converts heat energy to, make battery temperature rising (can reach more than 60 ℃ summer), the diffusion coefficient increase that temperature rises and will make charge carrier, intrinsic carrier sharply increases, thereby cause reverse saturation current and be how much level growths, cause open circuit voltage to descend significantly, its decline mean value is about 2.1～2.3V (℃ sheet), though short circuit current also can rise with temperature and also increase to some extent, its increase is very little, can ignore, fill factor, curve factor also can variation, power output, photoelectric conversion efficiency also can descend thereupon.Reach a conclusion in the application of long-term photovoltaic generation, the negative temperature effect of solar cell brings very adverse influence for the operate as normal of battery performance and electricity generation system.

Therefore, need be upgraded and transform existing assembly, make it reach the conversion efficiency that both can improve solar cell effectively, it be used for life to effectively utilize used heat again.

The utility model content

The purpose of this utility model provides a kind of novel crystal silicon solar electric heating integral component, the photovoltaic/thermal effect can be used, keep crystal silicon solar energy battery under the photoelectric conversion efficiency of the best, to work, and take away the heat of its generation, this assembly can be incorporated into the power networks with civil power simultaneously, realizes two kinds of effectiveness of power supply heat supply.

The utility model is achieved in that

The solar electrothermal integral component, comprise the TPT material layer that sets gradually, the EVA material layer, the battery sheet, the EVA material layer, ultrawhite toughened glass, be provided with some battery sheets in the EVA material layer, the TPT material layer, the EVA material layer, the battery sheet, the EVA material layer, the moulding that is heating and curing of ultrawhite toughened glass, it is characterized in that: the back side at the TPT material layer also is disposed with sheet metal, circulating line, backboard, TPT material layer and sheet metal are bonding by the silicone grease layer of heat absorption, described circulating line comprises the major cycle pipe at top and the heat pipe that is communicated with perpendicular to the major cycle pipe, bonding or the welding of the back side of sheet metal and heat pipe, sheet metal, be filled with heat-insulation layer between heat pipe and the backboard, described backboard, heat-insulation layer, circulating line, sheet metal, the TPT material layer, the EVA material layer, the battery sheet, the EVA material layer, ultrawhite toughened glass is fixed by frame all around.

Described sheet metal is a copper alloy thin plate, perhaps the almag thin plate.

The face that described sheet metal contacts with heat-insulation layer is antirust.

Described circulating line is provided with many parallel equally distributed heat pipes (as copper pipe), and heat exchange medium is housed in heat pipe, and heat exchange medium can be the mixture of water, ethylene glycol or water etc.

Heat pipe is divided into Cryo Heat Tube (20 degree--300 degree), moderate temperature heat pipe (300 degree-900 degree), high-temperature heat pipe (600 degree-1200 degree), this assembly adopts Cryo Heat Tube, by medium vaporization in the heat pipe heat at the battery component back side is taken out of, in the major cycle pipe after the heat exchange, become the flow of liquid product heat cal rod, so constantly heat is taken in circulation out of.

Described heat-insulation layer is frothing foam, perhaps heat-preservation cotton.

Leave the opening that terminal box is installed on described backboard, the heat-insulation layer, terminal box is fixed on the sheet metal.

The beneficial effects of the utility model are as follows:

By increasing the good sheet metal of heat-transfer effect that is provided with, the used heat that the battery sheet is produced spreads out of rapidly, and the vaporization by medium in the heat pipe, vaporization medium gas rises, heat is brought to the major cycle pipe, after the heat exchange, the forced circulation of medium is delivered to thermal storage device (as boiler) with heat energy in the major cycle pipe.

Description of drawings

Fig. 1 is a cross-sectional view of the present utility model

Fig. 2 is a back side of the present utility model conductive structure schematic diagram

Fig. 3 is the snap joint schematic diagram of heat conduction major cycle pipe in the back side of the present utility model

Fig. 4 is equipped with the structural representation of terminal box for backboard of the present utility model

Fig. 5 is the B-B structural representation of the utility model Fig. 5

Reference numeral is: 1 frame, 2 sheet metals, 3TPT material layer, 4 ultrawhite toughened glass, 5EVA material layer, 6 battery sheets, 7 heat-insulation layers, 8 heat pipes, 9 backboards, 10 major cycle pipes, 11 terminal boxes.

Specific implementation

The solar electrothermal integral component, comprise the TPT material layer 3 that sets gradually, EVA material layer 5, battery sheet 6EVA material layer 5, ultrawhite toughened glass 4, be provided with some battery sheets 6 in the EVA material layer 5, TPT material layer 3, EVA material layer 5, battery sheet 6, EVA material layer 5, ultrawhite toughened glass 4 moulding that is heating and curing, the back side at TPT material layer 3 also is disposed with sheet metal 2, circulating line, backboard 9, TPT material layer 3 is bonding by the silicone grease layer of heat absorption with sheet metal 2, described circulating line comprises the major cycle pipe 10 at top and the heat pipe 8 that is communicated with perpendicular to major cycle pipe 10, the back side of sheet metal 2 and heat pipe 8 bonding or welding, sheet metal 2, cavity between heat pipe 8 and the backboard 9 has been filled with heat-insulation layer 7, described backboard 9, heat-insulation layer 7, circulating line, sheet metal 2, TPT material layer 3, EVA material layer 5, battery sheet 6, EVA material layer 5, ultrawhite toughened glass 4 is fixing by frame all around 1.

Described sheet metal 2 is a copper alloy thin plate, perhaps almag thin plate, and thickness is between 0.2～1.5mm, has good thermal conductivity, its heat conductivility is common more than 20 times of TPT material.2 of described sheet metals are done antirust processing (as passivation and plating rust-preventing film), to satisfy 20 year useful life under the protection of heat-insulation layer 7.

The face that described sheet metal 2 contacts with heat-insulation layer 7 is antirust.

Described circulating line is provided with many parallel equally distributed heat pipes 8 (as copper pipe), in heat pipe 8 heat exchange medium is housed, and heat exchange medium can be the mixture of water, ethylene glycol or water etc.

Heat pipe is divided into Cryo Heat Tube (20--300 degree), moderate temperature heat pipe (300-900 degree), high-temperature heat pipe (600-1200 degree), the utility model adopts Cryo Heat Tube, by medium vaporization in the heat pipe 8 heat at the battery component back side is taken out of, in major cycle pipe 10 after the heat exchange, become flow of liquid product heat cal rod 8, so constantly heat is taken in circulation out of.

Described heat-insulation layer 7 is frothing foam, perhaps heat-preservation cotton.

Leave the opening that terminal box 11 is installed on described backboard 9, the heat-insulation layer 7, terminal box 11 is fixed on the sheet metal 2.

Shown in Fig. 1-5, being installed as of this battery component: the position near four angles at battery component frame 1 is provided with 4 circular holes, the cooling medium inlet joint passes circular hole and realizes being connected in assembly with major cycle pipe 10, major cycle pipe 10 is near the inboard of frame 1, be evenly distributed with many heat pipes 8 on the major cycle pipe 10 in the assembly,

heat pipe

8 and 10 vertical connections of major cycle pipe, heat pipe 8 is bonded on the sheet metal 2 by welding or heat conductive silica gel, and sheet metal 2 is done antirust processing (as passivation or plating) with the contact-making surface of heat-insulation layer 7.According to the invariant position of original installation terminal box 11, backboard 9, heat-insulation layer 7 are vacated the position of terminal box 11, in the exposed naturally air heat radiation.The joint of major cycle pipe 10 adopts snap joint, is riveted on frame 1, can bear in the installation process torsion from screw thread.Butt tube central authorities are provided with aprons slot, and aprons slot is equipped with cushion rubber.Tighten nut, the joint of major cycle pipe 10 and the end face of butt tube are pressed together, realize end face seal by cushion rubber; One of butt tube connects a nut sleeve, and nut sleeve is passed through.

The course of work of the present utility model is: solar light irradiation is on the battery sheet 6 of crystal silicon solar assembly the time, produce photoelectric effect, positive pole, the cathode conductor of direct current in terminal box 11 with certain voltage exports photovoltaic system to, its working temperature rises simultaneously, produce photo-thermal effect and emit heat, heat passes to heat pipe 8 by sheet metal 2, absorbed vaporization by the medium in the pipe, the vaporization dielectric gas rises, heat is brought to major cycle pipe 10, after the heat exchange, the forced circulation of medium is delivered to thermal storage device (as boiler) with heat energy in the major cycle pipe 10.

The utility model also is applicable to other solar cell, as crystalline silicon focusing solar battery, thin film solar cell, dyestuff solar cell, plastics solar cell etc.

Claims

1. solar electrothermal integral component, comprise the TPT material layer (3) that sets gradually, EVA material layer (5), ultrawhite toughened glass (4), be provided with some battery sheets (6) in the EVA material layer (5), TPT material layer (3), EVA material layer (5), battery sheet (6), EVA material layer (5), ultrawhite toughened glass (4) moulding that is heating and curing, it is characterized in that: also be disposed with sheet metal (2) at the back side of TPT material layer (3), circulating line, backboard (9), TPT material layer (3) is bonding by the silicone grease layer of heat absorption with sheet metal (2), described circulating line comprises the major cycle pipe (10) at top and the heat pipe (8) that is communicated with perpendicular to major cycle pipe (10), bonding or the welding of the back side of sheet metal (2) and heat pipe (8), sheet metal (2), cavity between heat pipe (8) and the backboard (9) has been filled with heat-insulation layer (7), described backboard (9), heat-insulation layer (7), circulating line, sheet metal (2), TPT material layer (3), EVA material layer (5), battery sheet (6), EVA material layer (5), ultrawhite toughened glass (4) is fixing by frame (1) all around.

2. solar electrothermal integral component according to claim 1 is characterized in that: described sheet metal (2) is copper alloy thin plate, perhaps almag thin plate.

3. solar electrothermal integral component according to claim 1 and 2 is characterized in that: the face that described sheet metal (2) contacts with heat-insulation layer (7) is antirust.

4. solar electrothermal integral component according to claim 1 is characterized in that: described heat-insulation layer (7) is frothing foam, perhaps heat-preservation cotton.

5. solar electrothermal integral component according to claim 1 is characterized in that: described circulating line is provided with many parallel equally distributed heat pipes (8).

6. solar electrothermal integral component according to claim 1 or 5, it is characterized in that: heat pipe (8) is a Cryo Heat Tube.

7. solar electrothermal integral component according to claim 1 is characterized in that: leave the opening that terminal box (11) is installed on described backboard (9), the heat-insulation layer (7), terminal box (11) is fixed on the sheet metal (2).