CN214315189U - Solar cell light injection module - Google Patents
Solar cell light injection module Download PDFInfo
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- CN214315189U CN214315189U CN202120485516.5U CN202120485516U CN214315189U CN 214315189 U CN214315189 U CN 214315189U CN 202120485516 U CN202120485516 U CN 202120485516U CN 214315189 U CN214315189 U CN 214315189U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model discloses a solar cell light injection module, including the optics module, the optics module includes a plurality of light source device, light source device's luminous openly sets up towards the solar cell direction, a plurality of light source device's luminous openly sets up along transmission device's transmission direction or along perpendicular to transmission device's transmission direction order and forms at least a set of middle part to the concave first profile surface of direction of keeping away from solar cell, the light beam that each light source device that is located on the first profile surface sent incides and forms a light beam on solar cell, along the trend of first profile surface, the width of first profile surface is greater than the width of light beam. The solar cell light injection module can superpose light beams emitted by the light source devices at different positions on the first profile surface, so that the emitted light beams of the light source devices can be converged into a high-light-intensity light band to be incident on the surface of the solar cell, even if the light intensity incident on the surface of the solar cell is improved, and the conversion efficiency of the solar cell is improved.
Description
Technical Field
The utility model relates to a solar cell produces technical field, concretely relates to solar cell light injection module.
Background
With the development of solar cell technology, the development of high-efficiency cells is more and more emphasized, and heterojunction cells are paid attention by researchers at home and abroad due to the characteristics of low process temperature, high conversion efficiency, good cell stability, low temperature coefficient and the like.
In the prior art, the mass production efficiency of the ultra-high efficiency heterojunction cell reaches 23.27%, and the mass production front power of 60 double-sided assemblies reaches 332.6W through tests. Due to the characteristic of double-sided power generation, under the scenes of grasslands, cement grounds, snowfields, reflective cloth and the like, the back of the module can generate 10% -30% of extra power generation, the power temperature coefficient is as low as-0.27%/DEG C, and compared with a common polycrystalline module, the heterojunction module can recover 34% of power generation loss at the working temperature of 75 ℃.
The heterojunction battery has the technical advantages, and is gradually developed into a high-efficiency mass production type technology following the PERC battery, however, due to the limitation of process conditions, the conversion efficiency of the heterojunction battery reaches the limit, and a breakthrough is difficult to occur, so how to break through the prior art to further improve the mass production efficiency of the heterojunction battery, and the large-area industrialization process of the heterojunction battery can be further accelerated.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a light beam that light source device sent can assemble solar cell thereby on reinforcing light intensity in order to improve solar cell conversion efficiency's solar cell light injection module to the problem among the prior art.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides a solar cell light injection module, includes the frame and sets up optical module in the frame, optical module includes a plurality of independently controllable light source device, the luminous front of light source device sets up towards the solar cell direction, and is a plurality of the luminous front of light source device sets up in proper order along transmission device's transmission direction or along the perpendicular to transmission device's transmission direction forms at least a set of middle part to keeping away from the concave first profile of solar cell direction, is located the light beam that each light source device on the first profile sent incides the solar cell and forms a light beam, along the trend of first profile, the width of first profile is greater than the width of light beam.
Preferably, the light source devices are light beads, and the light beads are respectively arranged in a row along the transmission direction of the transmission device and along the transmission direction perpendicular to the transmission device.
Further, along the trend of the first contour surface, the tangents of the light beads at the positions of the first contour surface in the same column/row all extend along different linear directions.
Furthermore, along the trend of the first contour surface, the tangents of the plurality of light beads arranged in succession in the same column/row at the position of the first contour surface extend along the same straight line direction.
Preferably, the light source device is an optical strip, and the plurality of optical strips are sequentially arranged along a transmission direction of the transmission device to form at least one group of the first profile surfaces, each of the optical strips extends along a direction perpendicular to the transmission direction of the transmission device, or the plurality of optical strips are sequentially arranged along a direction perpendicular to the transmission direction of the transmission device to form at least one group of the first profile surfaces, each of the optical strips extends along the transmission direction of the transmission device.
Preferably, the optical module further includes a light source box body and a fixing plate disposed in the light source box body, the fixing plate has a mounting surface on which the light source device is mounted, the mounting surface is a second contour surface extending along a transmission direction of the transmission device or along a direction perpendicular to the transmission direction of the transmission device, and the second contour surface corresponds to the first contour surface.
Preferably, the optical module extends along a direction perpendicular to the transmission direction of the transmission device, the light-emitting front surfaces of the light source devices are sequentially arranged along the transmission direction of the transmission device to form a group of first profile surfaces, a row of solar cells or a plurality of rows of solar cells are arranged on the transmission device at intervals along the direction perpendicular to the transmission direction of the transmission device, or the transmission devices are arranged in a plurality of rows side by side, and a row of solar cells is transmitted on each row of transmission device.
Preferably, an array of solar cells is disposed on the transmission device along a direction perpendicular to the transmission direction of the transmission device, the optical module extends along the transmission direction of the transmission device, and the light-emitting front surfaces of the light source devices are sequentially disposed along the direction perpendicular to the transmission direction of the transmission device to form a group of the first contour surfaces.
Preferably, along the direction perpendicular to the transmission direction of transmission device, be equipped with multiseriate solar cell on the transmission device, perhaps, transmission device is provided with multiseriate side by side along the direction perpendicular to the transmission direction of transmission device, every row transmit a row of solar cell on the transmission device, optical module extends along the transmission direction of transmission device, and a plurality of the luminous front of light source device sets up in proper order along the direction perpendicular to the transmission direction of transmission device and forms the multiunit first profile surface, and every group first profile surface corresponds a row of solar cell.
Preferably, the light injection module is still including being used for to being located solar cell on the transmission device carries out the heat sink of cooling, the heat sink is including setting up gas blowing device in the frame, gas blowing device's gas vent is located the light source device with between the transmission device, gas blowing device's exhaust direction sets up towards the solar cell surface, gas blowing device's air input can be adjusted.
Furthermore, the air blowing device is an air knife device, an air outlet of the air knife device is arranged towards the solar cell, and an air inlet of the air knife device is communicated with the air source device.
Furthermore, along the direction perpendicular to the transmission direction of the transmission device, a row of solar cells or a plurality of rows of solar cells are arranged on the transmission device at intervals, one row or a plurality of rows of air blowing devices are arranged on the air blowing device, each row of solar cells at least corresponds to one row of air blowing devices, and each air blowing device can be independently controlled.
Furthermore, along transmission device's transmission direction, optical module with gas blowing device all is provided with the multirow, and every row gas blowing device is equallyd divide and is set up respectively in the interval region between two adjacent rows optical module.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses a solar cell light injection module simple structure, set up the formation middle part through the light emitting area order with each light source device to keeping away from the concave first profile face of solar cell direction, thereby can be in the light beam stack that different positions department light source device sent on the first profile face, the light beam that makes sending of each light source device can converge and gather the surface that incides solar cell for a high-light-intensity light band, even the light intensity that incides the solar cell surface improves, thereby promote solar cell's conversion efficiency.
Drawings
Fig. 1 is a schematic structural view (from top to bottom) of a solar cell light injection module according to the present invention;
fig. 2 is a schematic structural diagram of the solar cell light injection module according to the present invention (with the transmission device removed, looking from bottom to top);
fig. 3 is a schematic structural diagram of the solar cell light injection module according to the present invention (with the transmission device and a portion of the optical module removed, looking down from the top);
fig. 4 is a schematic structural diagram of the solar cell light injection module according to the present invention (with the transmission device and a portion of the optical module removed, looking from bottom to top);
fig. 5 is a schematic structural diagram of relative positions of an optical module and a transmission device of a solar cell light injection module according to the present invention;
fig. 6 is a schematic structural diagram of an optical module of a solar cell light injection module according to the present invention;
fig. 7 is a first schematic structural view of the solar cell light injection module according to the present invention, in which light beams emitted from the light beads in the same column/row are incident on the solar cell along the direction of the first profile surface;
fig. 8 is a second schematic structural view of the solar cell light injection module according to the present invention, wherein light beams emitted from the light beads in the same column/row are incident on the solar cell along the direction of the first profile surface;
fig. 9 is a schematic structural view of the solar cell light injection module according to the present invention, wherein the light beams emitted from the light bands are incident on the solar cell along the direction of the first profile surface.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1, the solar cell light injection module of the present invention includes a frame 1, an optical module 2 and a transmission device 3 respectively disposed on the frame 1, wherein the transmission device 3 transmits a solar cell 100 along the front and back directions.
The optical module 2 is used for providing illumination, the optical module 2 includes a plurality of independently controllable light source devices, the light emitting front surfaces of the light source devices are arranged towards the solar cell, the light emitting front surfaces of the light source devices are sequentially arranged along the transmission direction of the transmission device 3 or along the direction perpendicular to the transmission direction of the transmission device 3 to form at least one group of first contour surfaces S with the middle parts concave towards the direction far away from the solar cell 100, light beams emitted by the light source devices on the first contour surfaces S are incident on the solar cell to form a light beam, and the width W1 of the first contour surfaces S is larger than the width W2 of the light beam along the trend of the first contour surfaces S. In this way, the light beams at different positions of the first profile S can be superimposed, so that the light beams emitted by the light source devices can be converged into a high-intensity light band to be incident on the surface of the solar cell 100, even if the intensity of the light incident on the surface of the solar cell 100 is increased, in this embodiment, compared with the prior art, the intensity of the light can be increased by 50%, thereby increasing the conversion efficiency of the solar cell.
In the embodiment, the incident angles a of the light source devices at different positions of the first contour surface S are between 1 to 90 degrees.
The light source device may be light beads 211, and each light bead 211 is arranged in a row along the transmission direction of the transmission device 3 and along the transmission direction perpendicular to the transmission device 3.
The tangents of the light beads 211 at the position of the first profile surface S in the same column/row along the run of the first profile surface S all extend in different linear directions, as shown in fig. 7.
Or along the first contour surface S, the tangents of the plurality of light beads 211 at the position of the first contour surface S, which are arranged in series in the same column/row, extend along the same straight direction, as shown in fig. 8.
The light source device may also employ a light strip 212, a plurality of light strips 212 being arranged in series along the transport direction of the transport device 3 to form at least one set of first profile surfaces S, each light strip 212 extending perpendicular to the transport direction of the transport device 3, or a plurality of light strips 212 being arranged in series along the transport direction of the transport device 3 to form at least one set of first profile surfaces S, each light strip 212 extending along the transport direction of the transport device 3, as shown in fig. 9.
In a specific embodiment, the light emitting front surfaces of the light source devices are sequentially arranged along the conveying direction of the conveying device 3 to form a group of first contour surfaces S, and a row of solar cells 100 is conveyed on the conveying device 3 along a direction perpendicular to the conveying direction of the conveying device, although a plurality of rows of solar cells 100 may be conveyed on the conveying device 3 at intervals at the same time, as shown in fig. 1 to 6. Or the transmission devices 3 are provided with a plurality of rows, the transmission devices 3 in each row are arranged in parallel at intervals along the transmission direction perpendicular to the transmission device 3, namely the left-right direction, and each row of the transmission devices 3 transmits one row of the solar cells 100. In this embodiment, the optical module 2 extends in a direction perpendicular to the transport direction of the transport device 3, i.e., in the left-right direction.
In another specific embodiment, a row of solar cells 100 is transported on the transporting device 3 along a direction perpendicular to the transporting direction of the transporting device 3, and the light-emitting front surfaces of the plurality of light source devices are sequentially arranged along the transporting direction perpendicular to the transporting device 3 to form a group of first contour surfaces S, which is not shown. In this embodiment, the optical module 2 extends in the transport direction of the transport device 3, i.e., the front-rear direction.
In another specific embodiment, a plurality of rows of solar cells 100 are transported on the transporting device 3 in a direction perpendicular to the transporting direction of the transporting device 3, or a plurality of rows of transporting devices 3 are provided, each row of transporting devices 3 is arranged in parallel at intervals in a direction perpendicular to the transporting direction of the transporting device 3, i.e., in the left-right direction, and each row of transporting devices 3 transports one row of solar cells 100. The light emitting front surfaces of the light source devices are sequentially arranged along a direction perpendicular to the conveying direction of the conveying device 3 to form a plurality of groups of first contour surfaces S, and each group of first contour surfaces S corresponds to one row of solar cells 100, which is not shown in the figure. In this embodiment, the optical module 2 extends in the transport direction of the transport device 3, i.e., the front-rear direction.
Specifically, the optical module 2 further includes a light source box body 22 and a fixing plate disposed in the light source box body 22, the fixing plate has a mounting surface for mounting each light source device, the mounting surface is at least one set of second contour surfaces extending along the transmission direction of the transmission device 3 or along the direction perpendicular to the transmission direction of the transmission device 3, and the second contour surfaces correspond to the first contour surfaces. In other words, in each of the above embodiments, the installation surface for installing the light source device is configured to be concave in the direction away from the solar cell 100, so that the light emitting surfaces of the light source devices are sequentially arranged to form corresponding structural forms after the light source devices are installed on the installation surface.
The optical module 2 further includes a plurality of condensing lens devices (not shown) covering the light emitting surfaces of the light source devices, and preferably, one condensing lens device is covered outside the light emitting surface of each light source device. The angle of the light emitted by the light source device can be adjusted through the condensing lens device, so that the light intensity is increased, and the conversion efficiency of the solar cell is improved.
The optical module 2 further comprises a first cooling means for cooling the light emitting backside of the light source device. In this embodiment, the first cooling device is a water cooling device.
The water cooling device comprises a first cooling water loop and a second cooling water loop which are independently arranged. The first cooling water loop includes a first water inlet 231 and a first water outlet 232, and the first water inlet 231 and the first water outlet 232 are respectively located at two ends of the optical module 2 perpendicular to the transmission direction of the transmission device 3, that is, at the left and right ends of the light source box body 22. The second cooling water circuit includes a second water inlet 241 and a second water outlet 242, and the second water inlet 241 and the second water outlet 242 are also respectively located at two ends of the optical module 2 perpendicular to the transmission direction of the transmission device 3, that is, at the left and right ends of the light source box body 22. In this embodiment, the first water inlet 231 and the second water outlet 242 are located on the same side of the light source box body 22, and the first water outlet 232 and the second water inlet 241 are located on the same side of the light source box body 22. By arranging the water cooling device, the heat on the light-emitting back side of the light source device can achieve the heat dissipation effect through heat exchange with cold water. The water cooling device adopts two paths of cooling water loops which are independently arranged for cooling, so that the cooling effect can be improved; furthermore, when one cooling water circuit fails, the light-emitting back side of the light source device can be cooled by the other cooling water circuit.
The optical module 2 further includes a second cooling device 25 provided on the light source box body 22 for cooling the light emitting front surface of the light source device. In this embodiment, the second cooling device is an air cooling device, and the air cooling device may have a structure in the prior art. Through setting up the air cooling device, can make the positive air circulation of the luminous of light source device to can reduce the temperature of the luminous surface of light source device, and then prolong the life of light source device.
In this embodiment, the optical modules 2 extend in a direction perpendicular to the transmission direction of the transmission device 3, and the optical modules 2 are arranged in a plurality of rows in parallel along the transmission direction of the transmission device, and the two adjacent rows of optical modules 2 may be arranged without a gap or at a certain distance.
The light injection module further comprises a cooling device for cooling the solar cell on the transmission device 3.
Specifically, as shown in fig. 1 to 4, the temperature reduction device includes an air blowing device 41 for blowing air to the surface of the solar cell 100 to reduce the temperature, an air outlet of the air blowing device 41 is located between the light source device and the transmission device 3, an air exhaust direction of the air blowing device 41 is set toward the surface of the solar cell 100, and an air inflow amount of the air blowing device 41 can be adjusted, so that the temperature of the surface of the solar cell 100 can be adjusted by adjusting the air inflow amount, so as to meet the corresponding process requirements.
In this embodiment, the air blowing device 41 is an air knife device, an air outlet of the air knife device is arranged toward the solar cell 100, and an air inlet of the air knife device is communicated with an air source device. When the air knife device is used for cooling the solar cell, the exhaust of the air knife device is continuous, and the surface of the solar cell 100 covered by the cooling gas is also continuous, so that the cooling of the solar cell 100 is more uniform.
Along the direction perpendicular to the transmission direction of the transmission device 3, a row of solar cells 100 or a plurality of rows of solar cells 100 are arranged on the transmission device 3 at intervals, one row or a plurality of rows of cooling devices are arranged, and each row of solar cells 100 at least corresponds to one row of cooling devices.
Along the conveying direction of the conveying device 3, the cooling devices are arranged in one row or a plurality of rows, and preferably, each row of cooling devices is arranged in an interval area between two adjacent rows of optical modules 2.
The cooling devices arranged in each row and each column can be independently controlled to be opened, and the air inflow can be independently adjusted.
The cooling device further comprises an air source device (not shown in the figure) for supplying air to each air blowing device 41, each air blowing device 41 is connected with the air source device through a pipeline 42, and a control valve is arranged at the position of an air inlet of each air blowing device 41, so that the air inflow of each air blowing device 41 can be controlled. The air inlet medium provided by the air source device is nitrogen, compressed air or other inert gases.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and the protection scope of the present invention can not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (13)
1. The utility model provides a solar cell light injection module, includes the frame and sets up optical module in the frame, optical module includes a plurality of independently controllable light source device, light source device's luminous positive orientation solar cell direction sets up its characterized in that: the light-emitting front surfaces of the light source devices are sequentially arranged along the transmission direction of the transmission device or perpendicular to the transmission direction of the transmission device to form at least one group of first profile surfaces with the middle parts concave towards the direction far away from the solar cell, light beams emitted by the light source devices on the first profile surfaces are incident on the solar cell to form a light beam, and the width of the first profile surfaces is larger than that of the light beam along the trend of the first profile surfaces.
2. The solar cell light injection module of claim 1, wherein: the light source device is a light bead, and the light beads are respectively arranged in a determinant mode along the transmission direction of the transmission device and along the transmission direction perpendicular to the transmission device.
3. The solar cell light injection module of claim 2, wherein: the tangents of the light beads in the same column/row at the position of the first contour surface extend along different straight line directions along the trend of the first contour surface.
4. The solar cell light injection module of claim 2, wherein: and the tangents of the plurality of light beads which are continuously arranged in the same column/row at the position of the first contour surface extend along the same straight line direction along the trend of the first contour surface.
5. The solar cell light injection module of claim 1, wherein: the light source device is the light strip, and is a plurality of the light strip is followed transmission direction order of transmission device sets up and forms at least a set first profile surface, every the light strip all follows the perpendicular to transmission device's transmission direction extends, perhaps a plurality of the light strip follows the perpendicular to transmission device's transmission direction order sets up and forms at least a set first profile surface, every the light strip all follows transmission device's transmission direction extends.
6. The solar cell light injection module of claim 1, wherein: the optical module further comprises a light source box body and a fixing plate arranged in the light source box body, the fixing plate is provided with a mounting surface for mounting the light source device, the mounting surface is a second contour surface extending along the transmission direction of the transmission device or perpendicular to the transmission direction of the transmission device, and the second contour surface corresponds to the first contour surface.
7. The solar cell light injection module of claim 1, wherein: the optical module extends along the direction perpendicular to the transmission direction of the transmission device, the light emitting front faces of the light source devices are sequentially arranged along the transmission direction of the transmission device to form a group of first contour faces, a row of solar cells or multiple rows of solar cells are arranged on the transmission device at intervals along the direction perpendicular to the transmission direction of the transmission device, or multiple rows of solar cells are arranged on the transmission device side by side, and each row of solar cells are transmitted on the transmission device.
8. The solar cell light injection module of claim 1, wherein: the transmission device is provided with a row of solar cells along the direction perpendicular to the transmission direction of the transmission device, the optical module extends along the transmission direction of the transmission device, and the light-emitting front faces of the light source devices are sequentially arranged along the direction perpendicular to the transmission direction of the transmission device to form a group of first contour faces.
9. The solar cell light injection module of claim 1, wherein: the transmission device is provided with a plurality of rows of solar cells in the transmission direction, the optical module extends in the transmission direction of the transmission device, the light emitting front surface of the light source device is arranged in sequence in the transmission direction of the transmission device to form a plurality of groups of first contour surfaces, and each group of first contour surfaces corresponds to one row of solar cells.
10. The solar cell light injection module according to any one of claims 1 to 9, wherein: the light injection module is still including being used for to being located solar cell on the transmission device cools off the heat sink of cooling down, the heat sink is including setting up gas blowing device in the frame, gas blowing device's gas vent is located light source device with between the transmission device, gas blowing device's exhaust direction sets up towards the solar cell surface, gas blowing device's air input can be adjusted.
11. The solar cell light injection module of claim 10, wherein: the air blowing device is an air knife device, an air outlet of the air knife device faces the solar cell, and an air inlet of the air knife device is communicated with the air source device.
12. The solar cell light injection module of claim 10, wherein: the solar cell conveying device comprises a conveying device, a blowing device and a conveying device, wherein the conveying device is provided with a row of solar cells or a plurality of rows of solar cells at intervals along a direction perpendicular to the conveying direction of the conveying device, the blowing device is provided with one row or a plurality of rows, each row of solar cells at least corresponds to one row of the blowing device, and each blowing device can be independently controlled.
13. The solar cell light injection module of claim 10, wherein: along transmission device's transmission direction, optical module with gas blowing device all is provided with the multirow, every row gas blowing device is equallyd divide and is set up respectively in adjacent two rows the interval area between the optical module.
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| CN202120485516.5U CN214315189U (en) | 2021-03-05 | 2021-03-05 | Solar cell light injection module |
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| CN202120485516.5U CN214315189U (en) | 2021-03-05 | 2021-03-05 | Solar cell light injection module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112910405A (en) * | 2021-03-05 | 2021-06-04 | 苏州南北深科智能科技有限公司 | Solar cell light injection module |
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2021
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112910405A (en) * | 2021-03-05 | 2021-06-04 | 苏州南北深科智能科技有限公司 | Solar cell light injection module |
| CN112910405B (en) * | 2021-03-05 | 2024-09-13 | 苏州南北深科智能科技有限公司 | Solar cell light injection module |
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