CN210805798U - IBC solar cell panel with heat dissipation function - Google Patents
IBC solar cell panel with heat dissipation function Download PDFInfo
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- CN210805798U CN210805798U CN201922179346.3U CN201922179346U CN210805798U CN 210805798 U CN210805798 U CN 210805798U CN 201922179346 U CN201922179346 U CN 201922179346U CN 210805798 U CN210805798 U CN 210805798U
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The utility model relates to an IBC solar cell panel with heat dissipation function. The solar cell comprises a solar cell, wherein a heat conduction layer covers the upper surface of the solar cell, a groove is formed in the surface, in contact with the solar cell, of the heat conduction layer, and the groove and the solar cell form a cavity; the lower surface of the solar cell piece is covered with a heat dissipation layer and a back plate in sequence, a heat dissipation piece is embedded in the heat dissipation layer and is in contact with the solar cell piece. The utility model discloses a heat-conducting layer evenly concentrates the heat in the cavity between heat-conducting layer and the solar wafer, realizes thermal even transmission, and most heat is derived to the external world on the rethread heat dissipation layer to reduce the operating temperature of solar cell backplate, improved solar cell's output, and stability and life.
Description
Technical Field
The utility model relates to a solar cell technical field especially relates to an IBC solar cell panel with heat dissipation function.
Background
Solar energy is used as a new energy source, and compared with the traditional fossil fuel, the solar energy has the advantages of inexhaustibility, cleanness, environmental protection and the like. A solar cell is a photoelectric semiconductor slice which directly generates electricity by using sunlight, and can output voltage instantly and generate current under the condition of a loop as long as a certain illumination intensity is met. In the prior art, a solar cell panel is generally arranged outdoors to continuously work, however, when a solar cell module operates to generate electricity, the temperature of a back plate of the solar cell module is continuously increased, so that the generating efficiency and the service life of the solar cell module are affected. As the temperature increases, the voltage decreases greatly, which results in insufficient charging of the system and a large decrease in output power, which results in the failure of the solar cell to fully perform its maximum performance.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model discloses a solve the technical problem that conversion efficiency that solar cell received the illumination time difficult battery to be brought into to the light reduces because of the heat dissipation, provide a IBC solar cell panel with heat dissipation function.
The purpose of the utility model is realized through the following technical scheme:
an IBC solar cell panel with a heat dissipation function comprises a solar cell, wherein a heat conduction layer covers the upper surface of the solar cell, a groove is formed in one surface, which is in contact with the solar cell, of the heat conduction layer, and the groove and the solar cell form a cavity; the lower surface of the solar cell piece is covered with a heat dissipation layer and a back plate in sequence, a heat dissipation piece is embedded in the heat dissipation layer and is in contact with the solar cell piece. The utility model discloses a heat-conducting layer absorbs the heat of solar energy to with heat control as far as possible in the cavity, carry out the propagation in next stage again through the cavity and can make thermal transmission more even, heat in the cavity passes through the solar wafer and transmits the heat dissipation layer, derives most heat to the outside by the heat dissipation layer, thereby reduces the heat that the backplate was received, improves the conversion efficiency of solar cell to the light energy with this.
Further, the heat dissipation layer comprises a sealing frame and a heat dissipation piece, the heat dissipation piece is fixed on the sealing frame, and the sealing frame is respectively bonded with the solar cell and the back plate through a high-temperature-resistant inorganic adhesive. The heat dissipation layer controls the flow rate of air mainly in a heat conduction mode of the heat dissipation piece, and accelerates the heat dissipation rate by increasing the flow rate of the air; in addition, due to the high temperature of the battery, the bonding between the plates needs to be achieved by a high temperature resistant adhesive.
Furthermore, a heat dissipation groove is formed in the side frame of the sealing frame. The purpose of radiating groove setting is in order to further accelerate the exchange speed of the gas inside the battery and the external gas, and the rapid cooling inside the battery is realized through the gas interchange neutralization mode of different temperatures.
Furthermore, the radiating pieces are a plurality of independent radiating blocks which are arranged at intervals, a radiating channel is formed between every two adjacent radiating blocks, and the size of each radiating block is gradually reduced from the middle part to the periphery of the sealing frame. Set the radiating block to different sizes, consequently the heat absorption ability of the radiating block of unidimensional also is different, can descend along with the reduction of size, the advantage of the range design of above-mentioned radiating block lies in, the radiating block at middle part is big, and the heat absorbs much, and little then is few all around, consequently can cause the radiating layer temperature difference everywhere, forms the difference in temperature, and the high gas of temperature returns to the gas flow that the temperature is low to realized gas and flowed in the radiating layer, with this thermal giving off of accelerating.
Further, the radiating piece is a radiating strip, the radiating strip is spirally arranged, and the width of the radiating strip is gradually reduced from the spiral center to the edge. The arrangement principle of the radiating strip shape is the same as that of the above situation, and the radiating strip shape is used for forming the temperature difference to cause the gas to flow, so that the high-temperature gas is diffused from the middle part of the radiating layer to the periphery and is discharged through the radiating grooves on the side edges of the sealing frame.
Further, the heat dissipation member is a copper heat dissipation member or an aluminum heat dissipation member. Copper and aluminum have good heat conduction and heat transfer performance, and are light in weight and low in cost and suitable for being used as heat dissipation pieces.
Further, the high-temperature resistant inorganic nano composite adhesive is prepared by adopting inorganic nano materials through polycondensation reaction. The adhesive has strong adhesive force, has no corrosion to a substrate, can keep good adhesive property and corrosion resistance at high temperature, and has long service life.
Further, one side of the back plate, which is far away from the heat dissipation layer, is coated with a waterproof coating. The waterproof coating can effectively prevent moisture in the air from polluting the back plate, and the situation that the back plate is corroded by the moisture or the circuit is influenced is avoided.
The utility model discloses compare in prior art's beneficial effect and be:
the utility model discloses a solar cell panel evenly concentrates on the heat conduction layer through the heat conduction layer in the cavity between heat conduction layer and the solar cell piece, realize thermal even transmission, most heat is derived to the external world on the rethread heat dissipation layer to reduce the received heat of backplate, the operating temperature of solar cell backplate has also been reduced simultaneously, solar energy component's output has been improved, solar cell's work efficiency has obtained apparent promotion, solar cell panel's stability and life have also been improved.
Drawings
Fig. 1 is a structural sectional view of an embodiment of the present invention.
Fig. 2 is a schematic structural view of a heat dissipation layer according to embodiment 1 of the present invention.
Fig. 3 is a schematic structural view of a heat dissipation layer according to embodiment 2 of the present invention.
Detailed Description
To facilitate understanding of those skilled in the art, the present invention will be described in further detail with reference to specific embodiments and drawings.
Referring to fig. 1-3, embodiments of the present invention include.
Example 1
As shown in fig. 1, an IBC solar cell panel with a heat dissipation function includes a solar cell sheet 1, an upper surface of the solar cell sheet 1 is covered with a heat conduction layer 2, a groove is formed on a surface of the heat conduction layer 2, which is in contact with the solar cell sheet 1, and the groove and the solar cell sheet 1 form a cavity 3; the lower surface of the solar cell piece 1 is sequentially covered with a heat dissipation layer 4 and a back plate 5, a heat dissipation piece 42 is embedded in the heat dissipation layer 4, and the heat dissipation piece 42 is in contact with the solar cell piece 1. The utility model discloses a heat-conducting layer 2 absorbs the heat of solar energy to with heat control as far as possible in cavity 3, carry out the propagation in next stage again through cavity 3 and can make thermal transmission more even, heat in cavity 3 passes through solar wafer 1 and transmits heat dissipation layer 4, derives most heat to the outside by heat dissipation layer 4, thereby reduces the heat that backplate 5 received, improves solar cell with this and to the conversion efficiency of light energy.
The heat dissipation layer 4 includes a sealing frame 41 and a heat dissipation member 42, the heat dissipation member 42 is fixed on the sealing frame 41, and the sealing frame 41 is bonded to the solar cell 1 and the back plate 5 by a high temperature resistant inorganic adhesive. The heat dissipation layer 4 controls the flow rate of air mainly by means of heat conduction of the heat dissipation member 42, and accelerates the heat dissipation rate by increasing the flow rate of air; in addition, due to the high temperature of the battery, the bonding between the plates needs to be achieved by a high temperature resistant adhesive. The side frame of the sealing frame 41 is provided with a heat dissipating groove 411. The purpose that radiating groove 411 set up is in order to further accelerate the exchange speed of the inside gas of battery and external gas, through the gaseous interchange neutralization mode of different temperatures, realizes the inside rapid cooling of battery.
In this embodiment, the heat dissipation member 42 is a plurality of independent heat dissipation blocks, the heat dissipation blocks are arranged at intervals, a heat dissipation channel is formed between two adjacent heat dissipation blocks, and the size of the heat dissipation block is gradually reduced from the middle of the sealing frame 41 to the periphery. Set the radiating block to different sizes, consequently the heat absorption ability of the radiating block of equidimension also is different, can descend along with the reduction of size, the advantage of the range design of above-mentioned radiating block lies in, the radiating block at middle part is big, and the heat absorbs much, and little then is few all around, consequently can cause radiating layer 4 temperature everywhere different, forms the difference in temperature, and the gas that the temperature is high flows to the gas that the temperature is low back to realized that gas flows in radiating layer 4 to this quickens thermal giving off. The heat sink 42 is a copper heat sink 42 or an aluminum heat sink 42. Copper and aluminum have good thermal conductivity and heat transfer properties, and are lightweight and low cost suitable for use as the heat sink 42.
In addition, the high-temperature resistant inorganic adhesive is a high-temperature resistant inorganic nano composite adhesive prepared by inorganic nano materials through polycondensation reaction. The adhesive has strong adhesive force, has no corrosion to a substrate, can keep good adhesive property and corrosion resistance at high temperature, and has long service life. And the side of the back plate 5 away from the heat dissipation layer 4 is coated with a waterproof coating. The waterproof coating can effectively prevent moisture in the air from polluting the backboard 5, and the influence of the moisture on the backboard 5 or the circuit is avoided.
Example 2
As shown in fig. 3, unlike embodiment 1, the heat dissipation member 42 of the present embodiment is a heat dissipation strip 43, the heat dissipation strip 43 is spirally disposed, and the width of the heat dissipation strip 43 is gradually reduced from the center of the spiral to the edge. The heat dissipation strips 43 are arranged in the same manner as in embodiment 1, and are arranged to form a temperature difference to cause gas flow, so that high-temperature gas is diffused from the middle of the heat dissipation layer 4 to the periphery and discharged through the heat dissipation grooves 411 at the sides of the sealing frame 41.
While the invention has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the spirit and scope of the appended claims.
Claims (8)
1. The IBC solar cell panel with the heat dissipation function comprises a solar cell, and is characterized in that a heat conduction layer covers the upper surface of the solar cell, a groove is formed in one surface, which is in contact with the solar cell, of the heat conduction layer, and the groove and the solar cell form a cavity; the lower surface of the solar cell piece is covered with a heat dissipation layer and a back plate in sequence, a heat dissipation piece is embedded in the heat dissipation layer and is in contact with the solar cell piece.
2. The IBC solar panel with heat dissipation function of claim 1, wherein the heat dissipation layer comprises a sealing frame and a heat dissipation member, the heat dissipation member is fixed on the sealing frame, and the sealing frame is bonded with the solar cell and the back plate respectively through a high temperature resistant inorganic adhesive.
3. The IBC solar panel with heat dissipation function as claimed in claim 2, wherein the side frame of the sealing frame is provided with heat dissipation grooves.
4. The IBC solar panel with the heat dissipation function as claimed in claim 2, wherein the heat dissipation member is a plurality of independent heat dissipation blocks, the heat dissipation blocks are arranged at intervals, a heat dissipation channel is formed between every two adjacent heat dissipation blocks, and the size of each heat dissipation block is gradually reduced from the middle part to the periphery of the sealing frame.
5. The IBC solar panel with heat dissipation function of claim 2, wherein the heat dissipation member is a heat dissipation strip, the heat dissipation strip is spirally disposed, and the width of the heat dissipation strip is gradually reduced from the center to the edge of the spiral.
6. The IBC solar panel with heat dissipation function of claim 4 or 5, wherein the heat dissipation element is a copper heat dissipation element or an aluminum heat dissipation element.
7. The IBC solar panel with heat dissipation function according to claim 2, wherein the high temperature resistant inorganic binder is a high temperature resistant inorganic nanocomposite adhesive prepared by performing polycondensation reaction on inorganic nanomaterials.
8. The IBC solar panel with heat dissipation function of claim 1, wherein a side of the back sheet away from the heat dissipation layer is coated with a waterproof coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922179346.3U CN210805798U (en) | 2019-12-09 | 2019-12-09 | IBC solar cell panel with heat dissipation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922179346.3U CN210805798U (en) | 2019-12-09 | 2019-12-09 | IBC solar cell panel with heat dissipation function |
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| CN210805798U true CN210805798U (en) | 2020-06-19 |
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| CN201922179346.3U Active CN210805798U (en) | 2019-12-09 | 2019-12-09 | IBC solar cell panel with heat dissipation function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112018204A (en) * | 2020-08-19 | 2020-12-01 | 孙文 | Solar cell and solar cell panel |
| CN113691219A (en) * | 2021-10-27 | 2021-11-23 | 徐州利鼎新材科技有限公司 | Solar cell encapsulation ventilation unit |
-
2019
- 2019-12-09 CN CN201922179346.3U patent/CN210805798U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112018204A (en) * | 2020-08-19 | 2020-12-01 | 孙文 | Solar cell and solar cell panel |
| CN113691219A (en) * | 2021-10-27 | 2021-11-23 | 徐州利鼎新材科技有限公司 | Solar cell encapsulation ventilation unit |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20210317 Address after: Room 302-6, building 1, 4588 Honghai Road, Sanxing Town, Chongming District, Shanghai 202150 Patentee after: Shanghai Yingqing new material center Address before: 712000 No.7, east section of LanChi Avenue, Zhengyang Street office, Qinhan new town, Xixian New District, Xianyang City, Shaanxi Province Patentee before: Shaanxi Youshun SaiHui New Energy Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20221012 Address after: 100000 Rooms 02 and 03, 2F, Building 8, Baohui 1st Street, Shunyi District, Beijing (Tianzhu Comprehensive Bonded Zone) Patentee after: Beijing Tiantuo Xinneng Technology Co.,Ltd. Address before: Room 302-6, building 1, 4588 Honghai Road, Sanxing Town, Chongming District, Shanghai 202150 Patentee before: Shanghai Yingqing new material center |
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| TR01 | Transfer of patent right |