CN114914321B - N-type battery piece for photovoltaic panel - Google Patents
N-type battery piece for photovoltaic panel Download PDFInfo
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- CN114914321B CN114914321B CN202210659995.7A CN202210659995A CN114914321B CN 114914321 B CN114914321 B CN 114914321B CN 202210659995 A CN202210659995 A CN 202210659995A CN 114914321 B CN114914321 B CN 114914321B
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 40
- 239000000758 substrate Substances 0.000 claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000002161 passivation Methods 0.000 claims abstract description 15
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 14
- 239000010703 silicon Substances 0.000 claims abstract description 14
- -1 silicon amide Chemical class 0.000 claims abstract description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 42
- 238000009423 ventilation Methods 0.000 claims description 40
- 230000000712 assembly Effects 0.000 claims description 13
- 238000000429 assembly Methods 0.000 claims description 13
- 230000003139 buffering effect Effects 0.000 claims description 8
- 238000005057 refrigeration Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims 2
- 230000037431 insertion Effects 0.000 claims 2
- 239000004411 aluminium Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 208000035874 Excoriation Diseases 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/052—Cooling means directly associated or integrated with the PV cell, e.g. integrated Peltier elements for active cooling or heat sinks directly associated with the PV cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/052—Cooling means directly associated or integrated with the PV cell, e.g. integrated Peltier elements for active cooling or heat sinks directly associated with the PV cells
- H01L31/0521—Cooling means directly associated or integrated with the PV cell, e.g. integrated Peltier elements for active cooling or heat sinks directly associated with the PV cells using a gaseous or a liquid coolant, e.g. air flow ventilation, water circulation
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses an N-type battery piece for a photovoltaic panel, which comprises a substrate, wherein an N emitter is arranged above the substrate, a silicon amide antireflection film is fixedly bonded to the top of the N emitter, the top of the N emitter is electrically connected with a plurality of positive electrodes, a back passivation layer is arranged below the substrate, a plurality of aluminum grid lines are embedded in the bottom of the back passivation layer, and a heat dissipation mechanism is fixedly connected between the bottom of the N emitter and the top of the substrate, wherein the heat dissipation mechanism can dissipate heat generated by the N emitter and the substrate and cool the heat generated by the N emitter and the substrate. The invention is convenient for carrying out rapid heat dissipation on the N emitter and the substrate, can effectively reduce the damage risk caused by the fact that the N-type battery piece is at high temperature for a long time, can buffer and unload the external collision impact force, reduces the risk of damaging the N-type battery piece caused by larger collision force, and meets the use requirement.
Description
Technical Field
The invention relates to the technical field of N-type battery pieces, in particular to an N-type battery piece for a photovoltaic panel.
Background
The photovoltaic module is a device for converting solar energy into electric energy by utilizing photovoltaic effect, and the double-sided module on the market at present mainly comprises a battery piece, photovoltaic glass, a packaging material, a photovoltaic welding strip, a junction box and a frame, wherein the battery piece can be divided into a P-type silicon wafer and an N-type silicon wafer due to different doping elements, and phosphorus diffusion is carried out based on the P-type silicon wafer, so that the P-type battery piece with an N/P-type structure can be obtained; b is injected into the N-type silicon wafer, so that an N-type battery piece with a P/N-type structure can be obtained, and when the battery piece is irradiated by light, the front side of the P-type battery piece is a negative electrode, and the back side of the P-type battery piece is a positive electrode; the front side of the N-type battery piece is a positive electrode, the back side of the N-type battery piece is a negative electrode, and the N-type battery piece has the advantages of low attenuation, high efficiency and the like and is also paid attention to;
the existing N-type battery piece for the photovoltaic panel can generate a large amount of heat in the use process, the heat dissipation effect of the existing N-type battery piece is not ideal, if the heat cannot be timely dissipated, the N-type battery piece is caused to be at a high temperature for a long time, and then the risk of damage is easily caused, and the function of buffering and unloading force is mostly lacked in the use process, the risk of higher damage of the N-type battery piece is caused due to the larger external collision force, and the use requirement cannot be met, so that the N-type battery piece for the photovoltaic panel is provided.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides an N-type battery piece for a photovoltaic panel.
The N-type battery piece for the photovoltaic panel comprises a substrate, an N emitter is arranged above the substrate, a silicon amide anti-reflection film is fixedly bonded to the top of the N emitter, a plurality of positive electrodes are electrically connected to the top of the N emitter, a back passivation layer is arranged below the substrate, a plurality of aluminum grid lines are embedded in the bottom of the back passivation layer, a heat dissipation mechanism is fixedly connected between the bottom of the N emitter and the top of the substrate, the heat dissipation mechanism is arranged, heat generated by the N emitter and the substrate can be dissipated and cooled, so that the heat can be rapidly dissipated, the damage risk caused by the fact that the N-type battery piece is at a high temperature for a long time can be effectively reduced, and a buffering and unloading mechanism is fixedly connected between the bottom of the substrate and the top of the back passivation layer, wherein the buffering and unloading mechanism is arranged, so that the external collision impact force can be buffered and unloaded, and the risk of damaging the N-type battery piece due to large collision force is reduced.
Preferably, the heat dissipation mechanism includes the heat conduction layer of bonding and fixing in N projecting pole bottom, the ventilation chamber has been seted up on the heat conduction layer, inlay on the top inner wall of ventilation chamber and be fixed with a plurality of refrigeration pieces, the refrigeration piece is used for cooling to the heat, the bottom movable contact of the top and the N projecting pole of refrigeration piece, a plurality of first through-holes have been seted up on the bottom inner wall of ventilation chamber, bond between the bottom of heat conduction layer and the top of base plate and be fixed with the heat dissipation layer, first air vent has been seted up on the left side of heat dissipation layer, the bowl cover structure has all been established to the both sides of first air vent, a plurality of second through-holes have been seted up on the top inner wall of first air vent, first through-hole is linked together with the second through-hole that corresponds, a plurality of radiating fins of a plurality of slope settings are all located the below of refrigeration piece, the both sides inner wall of first through-hole and the both sides inner wall of second through-hole are gone up, the setting of radiating fins can cool down the heat of producing, two fins of left and right sides relative are symmetrical setting up, a plurality of second air vent has been seted up on the bottom inner wall of ventilation chamber, the top inner wall of ventilation chamber has all been set up for the top of a plurality of mutual heat dissipation piece, the top of the heat dissipation piece is contacted with the bottom of the base plate is all set up for the heat dissipation, the top of the movable piece is kept away from the bottom of the heat dissipation piece, and is equipped with a plurality of heat dissipation piece.
Preferably, the buffering and force unloading mechanism comprises a first installation thin plate adhered and fixed at the bottom of the substrate, a second installation thin plate is adhered and fixed at the top of the back passivation layer, a square elastic sleeve is fixedly connected between the bottom of the first installation thin plate and the top of the second installation thin plate, four positioning rods are fixedly connected to the bottom of the first installation thin plate, the second installation thin plate is slidably sleeved on the four positioning rods, a plurality of groups of elastic buffer assemblies are fixedly connected between the first installation thin plate and the second installation thin plate, and the elastic buffer assemblies can buffer and unload force to external collision force and are positioned in the square elastic sleeve.
Preferably, the elastic buffer assembly comprises two elastic rubber blocks, the top and the bottom of each elastic rubber block are fixedly connected with one side of the first installation thin plate and one side of the second installation thin plate, which are close to each other, of the two elastic rubber blocks on the same group of elastic buffer assemblies are fixedly connected with elastic strips, one side of the two elastic strips on the same group of elastic buffer assemblies, which are close to each other, is fixedly connected with an elastic ball, and the top and the bottom of the elastic ball are fixedly connected with one side of the first installation thin plate and one side of the second installation thin plate, which are close to each other.
Preferably, the top of the silicon amide anti-reflection film is fixedly adhered with an anti-abrasion layer, and the anti-abrasion layer is arranged, so that the risk of abrasion of the N-type battery piece can be effectively reduced.
Preferably, a plurality of first embedded holes are formed in the inner wall of the top of the ventilation cavity, and the inner wall of each first embedded hole is fixedly connected with the outer side of the corresponding refrigerating piece.
Preferably, a plurality of second embedded holes are formed in the inner wall of the bottom of the first vent hole, and the inner wall of each second embedded hole is fixedly connected with the outer side of the corresponding radiating block.
Preferably, the vent slot is in communication with a corresponding plurality of second vent holes.
Preferably, the top of the second installation sheet is rectangular and provided with a plurality of positioning grooves, and the inner walls of the positioning grooves are in sliding connection with the outer sides of the corresponding positioning rods.
Preferably, a plurality of first radiating holes are formed in the inner wall of the bottom of the ventilation cavity, a plurality of second radiating holes are formed in the inner wall of the top of the first ventilation hole, and the first radiating holes are communicated with the corresponding second radiating holes.
Compared with the prior art, the invention has the beneficial effects that:
1. through the arrangement of the heat dissipation mechanism, heat generated by the N emitter and the substrate can be dissipated and cooled, so that the heat can be rapidly dissipated, and the damage risk caused by the fact that the N-type battery piece is at high temperature for a long time can be effectively reduced;
2. through the arrangement of the buffer force unloading mechanism, the buffer force unloading can be carried out on the external collision impact force, so that the risk of damaging the N-type battery piece due to larger collision force is reduced;
the invention is convenient for carrying out rapid heat dissipation on the N emitter and the substrate, can effectively reduce the damage risk caused by the fact that the N-type battery piece is at high temperature for a long time, can buffer and unload the external collision impact force, reduces the risk of damaging the N-type battery piece caused by larger collision force, and meets the use requirement.
Drawings
Fig. 1 is a schematic structural diagram of an N-type cell for a photovoltaic panel according to the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
FIG. 3 is an enlarged schematic view of the portion A in FIG. 2;
fig. 4 is a schematic perspective view of an elastic rubber block, an elastic strip and an elastic ball connector of an N-type battery piece for a photovoltaic panel according to the present invention;
fig. 5 is a schematic top view of a second mounting sheet of an N-type cell for a photovoltaic panel according to the present invention.
In the figure: 100. a substrate; 101. silicon amide anti-reflection film; 102. a positive electrode; 103. a back passivation layer; 104. an aluminum grid line; 105. an N emitter; 1. an abrasion-proof layer; 2. a cooling sheet; 3. a heat conducting layer; 4. a ventilation chamber; 5. a heat dissipation layer; 6. a first through hole; 7. a second through hole; 8. a heat radiation fin; 9. a second vent hole; 10. a vent groove; 11. a first vent hole; 12. a heat dissipation block; 13. a first mounting sheet; 14. a second mounting sheet; 15. a loop-shaped elastic sleeve; 16. a positioning rod; 17. an elastic rubber block; 18. an elastic strip; 19. an elastic ball; 20. a first heat radiation hole; 21. and a second heat dissipation hole.
Detailed Description
The invention is further illustrated below in connection with specific embodiments.
Examples
Referring to fig. 1-5, this embodiment provides an N-type battery piece for a photovoltaic panel, including a substrate 100, an N emitter 105 is disposed above the substrate 100, a silicon amide anti-reflection film 101 is fixedly bonded at the top of the N emitter 105, an anti-wear layer 1 is fixedly bonded at the top of the silicon amide anti-reflection film 101, the anti-wear layer 1 is disposed, the risk of abrasion is reduced, a plurality of positive electrodes 102 are electrically connected at the top of the N emitter 105, a back passivation layer 103 is disposed below the substrate 100, a plurality of aluminum grid lines 104 are embedded at the bottom of the back passivation layer 103, a heat dissipation mechanism is fixedly connected between the bottom of the N emitter 105 and the top of the substrate 100, wherein the heat dissipation mechanism comprises a heat conduction layer 3 fixedly bonded at the bottom of the N emitter 105, the heat conduction layer 3 is used for conducting heat generated in the working process of the N emitter 105, a ventilation cavity 4 is formed on the heat conduction layer 3, a plurality of refrigerating pieces 2 are embedded and fixed on the inner wall at the top of the ventilation cavity 4, wherein a plurality of first embedded holes are formed on the top inner wall of the ventilation cavity 4, the inner wall of each first embedded hole is fixedly connected with the outer side of the corresponding refrigerating piece 2, each first embedded hole is used for installing the refrigerating piece 2, the refrigerating piece 2 is arranged for cooling heat, the top of the refrigerating piece 2 is movably contacted with the bottom of the N emitter 105, a plurality of first through holes 6 are formed on the bottom inner wall of the ventilation cavity 4, a heat dissipation layer 5 is fixedly adhered between the bottom of the heat conduction layer 3 and the top of the substrate 100, the heat dissipation layer 5 is used for accelerating heat dissipation, a first vent hole 11 is formed on the left side of the heat dissipation layer 5, a plurality of first heat dissipation holes 20 are formed on the bottom inner wall of the ventilation cavity 4, a plurality of second heat dissipation holes 21 are formed on the top inner wall of the first vent hole 11, the first heat dissipation holes 20 are communicated with the corresponding second heat dissipation holes 21, the first radiating holes 20 are matched with the corresponding second radiating holes 21 to achieve the effect of radiating and ventilating, two sides of the first radiating holes 11 are symmetrically provided with bowl cover-shaped structures, the bowl cover-shaped structures are arranged to enlarge the inner diameter of the first radiating holes 11, so that the radiating effect is further improved, a plurality of second ventilating holes 7 are formed in the inner wall of the top of the first radiating holes 11, the first through holes 6 are communicated with the corresponding second ventilating holes 7, the first through holes 6 and the corresponding second through holes 7 are respectively positioned below the refrigerating fins 2, a plurality of radiating fins 8 which are obliquely arranged are fixedly connected to the inner walls of the two sides of the first through holes 6 and the inner walls of the two sides of the second through holes 7, the left radiating fins and the right radiating fins 8 are symmetrically arranged, a plurality of second ventilating holes 9 are formed in the inner wall of the bottom of the ventilating cavity 4, the two sides of the top of the radiating layer 5 are respectively provided with ventilating grooves 10, one side of each other far away from the two ventilating grooves 10 is provided with the corresponding second ventilating holes 9, the grooves 10 are matched with the corresponding second ventilating holes 9, the first through holes 6 and the inner walls of the first radiating blocks 11 are respectively embedded with the second radiating holes 12, the bottom of the radiating blocks 12 are respectively arranged on the bottom of the radiating blocks are embedded with the radiating blocks 12, the radiating blocks are embedded with the radiating holes 12 corresponding to the bottom blocks 12, and the radiating blocks are embedded on the bottom base plates 12, and the radiating blocks are embedded with the radiating blocks are correspondingly arranged on the bottom base plates, and the base plates are embedded with the radiating holes 12, and the radiating holes 12;
a buffering force-unloading mechanism is fixedly connected between the bottom of the substrate 100 and the top of the back passivation layer 103, wherein the buffering force-unloading mechanism comprises a first installation thin plate 13 adhered and fixed to the bottom of the substrate 100, a second installation thin plate 14 adhered and fixed to the top of the back passivation layer 103, a loop-shaped elastic sleeve 15 is fixedly connected between the bottom of the first installation thin plate 13 and the top of the second installation thin plate 14, four positioning rods 16 are fixedly connected to the bottom of the first installation thin plate 13 in a rectangular shape, the second installation thin plate 14 is slidably sleeved on the four positioning rods 16, a plurality of positioning grooves are formed in the top of the second installation thin plate 14 in a rectangular shape, the inner walls of the positioning grooves are slidably connected with the outer sides of the corresponding positioning rods 16, the positioning rods 16 and the positioning grooves are matched to play a role of guiding the first installation thin plate 13, a plurality of groups of elastic buffer assemblies are fixedly connected between the first installation thin plate 13 and the second installation thin plate 14, and the plurality of groups of elastic buffer assemblies are positioned in the loop-shaped elastic sleeve 15, and the loop-shaped elastic sleeve 15 is used for shielding the plurality of elastic buffer assemblies and the four positioning rods 16;
the elastic buffer assembly comprises two elastic rubber blocks 17, the top and the bottom of the elastic rubber blocks 17 are fixedly connected with one side, close to each other, of the first installation thin plate 13 and the second installation thin plate 14 respectively, the elastic strips 18 are fixedly connected with one side, close to each other, of the two elastic rubber blocks 17 on the same group of elastic buffer assemblies, the elastic balls 19 are fixedly connected with one side, close to each other, of the two elastic strips 18 on the same group of elastic buffer assemblies, the top and the bottom of the elastic balls 19 are fixedly connected with one side, close to each other, of the first installation thin plate 13 and the second installation thin plate 14 respectively, wherein under the elastic action of the annular elastic sleeve 15, the elastic rubber blocks 17, the elastic balls 19 and the elastic strips 18, the elastic buffer unloading force can be carried out on external collision impact force.
In this embodiment, when in use, when heat is generated in the working process of the N emitter 105, the generated heat is transferred to the plurality of refrigeration sheets 2, the refrigeration sheets 2 cool the generated heat, meanwhile, part of the heat is transferred to the ventilation cavity 4 in the heat conduction layer 3, part of the heat in the ventilation cavity 4 enters the first through hole 6 and the second through hole 7, the heat dissipation fins 8 in the first through hole 6 and the second through hole 7 cool the heat, the heat of the ventilation cavity 4 is further discharged to the outside through the plurality of second through holes 9 and the corresponding ventilation grooves 10, and meanwhile, the other part of the heat in the ventilation cavity 4 is sequentially discharged to the outside through the corresponding first ventilation holes 20, the second ventilation holes 21 and the first ventilation holes 11, so that the purpose of cooling the heat generated in the working process of the N emitter 105 is realized, meanwhile, the heat generated in the working process of the substrate 100 is transferred to the plurality of heat dissipation blocks 12, the heat generated in the substrate 100 is cooled through the first ventilation holes 11, the heat is discharged to the outside, so that the heat generated by the substrate 100 is cooled through the first ventilation holes 11, the heat generated by the ventilation fins is further cooled to the outside, the heat generated by the substrate 100 is further cooled through the plurality of second ventilation holes 9, the corresponding ventilation holes 10, the heat is further cooled by the corresponding first ventilation holes 2, the heat is discharged to the corresponding to the N emitter 105, and the heat is further damaged by the N emitter 100, and the heat can be cooled quickly, and the risk is cooled, and can be cooled, and the risk is reduced;
when receiving outside collision force, outside collision force extrudes wearing layer 1 on the silicon amide anti-reflection film 101 at first, extrusion force drives wearing layer 1 in proper order, silicon amide anti-reflection film 101, N projecting pole 105, heat conduction layer 3, heat dissipation layer 5, base plate 100 and first installation sheet 13 move downwards, first installation sheet 13 drives a plurality of locating levers 16 and slides downwards in the constant head tank, first installation sheet 13 extrudes the elastic sleeve 15 that returns, elastic rubber piece 17 and elastic ball 19, extrusion force makes the elastic sleeve 15 that returns, elastic rubber piece 17 and elastic ball 19 take place deformation, elastic rubber piece 17 and elastic ball 19 that takes place deformation all extrude corresponding elastic strip 18, make elastic strip 18 take place deformation, under the elasticity effect of returning elastic sleeve 15, elastic rubber piece 17, elastic ball 19 and elastic strip 18, can cushion the impact force of unloading to outside, reduce the risk that causes N type battery piece to damage because of the collision force is great.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (9)
1. The utility model provides a N type battery piece for photovoltaic panel, includes base plate (100), the top of base plate (100) is equipped with N projecting pole (105), and the top of N projecting pole (105) bonds and is fixed with silicon amide anti-reflection film (101), and the top electric connection of N projecting pole (105) has a plurality of positive electrodes (102), and the below of base plate (100) is equipped with back passivation layer (103), and a plurality of aluminium bars (104) are inlayed to the bottom of back passivation layer (103), a serial communication port, fixedly connected with cooling body between the bottom of N projecting pole (105) and the top of base plate (100), fixedly connected with buffering and unloading power mechanism between the bottom of base plate (100) and the top of back passivation layer (103);
the heat dissipation mechanism comprises a heat conduction layer (3) adhered and fixed at the bottom of an N emitter (105), a ventilation cavity (4) is formed in the heat conduction layer (3), a plurality of refrigerating sheets (2) are embedded and fixed on the inner wall of the top of the ventilation cavity (4), the top of the refrigerating sheets (2) is movably contacted with the bottom of the N emitter (105), a plurality of first through holes (6) are formed in the inner wall of the bottom of the ventilation cavity (4), a heat dissipation layer (5) is adhered and fixed between the bottom of the heat conduction layer (3) and the top of a substrate (100), a first ventilation hole (11) is formed in the left side of the heat dissipation layer (5), bowl cover structures are formed on two sides of the first ventilation hole (11), a plurality of second through holes (7) are formed in the inner wall of the top of the first through hole (11), the first through hole (6) is communicated with the corresponding second through holes (7), the first through hole (6) and the corresponding second through holes (7) are all positioned below the refrigerating sheet (2), a plurality of obliquely arranged radiating fins (8) are fixedly connected to the inner walls of the two sides of the first through hole (6) and the inner walls of the two sides of the second through hole (7), two radiating fins (8) which are opposite left and right are symmetrically arranged, a plurality of second through holes (9) are formed in the inner wall of the bottom of the ventilation cavity (4), ventilation grooves (10) are formed in the two sides of the top of the radiating layer (5), one side of the two vent grooves (10) which are far away from each other is provided with an opening, a plurality of radiating blocks (12) are embedded on the inner wall of the bottom of the first vent hole (11), and the bottom of each radiating block (12) is movably contacted with the top of the substrate (100).
2. The N-type battery piece for a photovoltaic panel according to claim 1, wherein the buffering and force-unloading mechanism comprises a first installation sheet (13) adhered and fixed at the bottom of the substrate (100), a second installation sheet (14) is adhered and fixed at the top of the back passivation layer (103), a rectangular elastic sleeve (15) is fixedly connected between the bottom of the first installation sheet (13) and the top of the second installation sheet (14), four positioning rods (16) are fixedly connected to the bottom of the first installation sheet (13), the second installation sheet (14) is slidably sleeved on the four positioning rods (16), a plurality of groups of elastic buffer assemblies are fixedly connected between the first installation sheet (13) and the second installation sheet (14), and the plurality of groups of elastic buffer assemblies are all located in the rectangular elastic sleeve (15).
3. An N-type battery piece for a photovoltaic panel according to claim 2, wherein the elastic buffer assembly comprises two elastic rubber blocks (17), the top and the bottom of the elastic rubber blocks (17) are fixedly connected with one side of the first installation sheet (13) and one side of the second installation sheet (14) which are close to each other respectively, elastic strips (18) are fixedly connected with one side of the two elastic rubber blocks (17) which are close to each other and are positioned on the same group of elastic buffer assemblies, elastic balls (19) are fixedly connected with one side of the two elastic strips (18) which are close to each other and are positioned on the same group of elastic buffer assemblies respectively, and the top and the bottom of the elastic balls (19) are fixedly connected with one side of the first installation sheet (13) and one side of the second installation sheet (14) which are close to each other respectively.
4. The N-type cell for a photovoltaic panel according to claim 1, wherein the wear-resistant layer (1) is adhered and fixed on top of the silicon amide anti-reflection film (101).
5. The N-type cell for a photovoltaic panel according to claim 1, wherein a plurality of first insertion holes are formed in the top inner wall of the ventilation cavity (4), and the inner wall of each first insertion hole is fixedly connected with the outer side of the corresponding refrigeration piece (2).
6. The N-type battery piece for a photovoltaic panel according to claim 1, wherein a plurality of second embedded holes are formed in the inner wall of the bottom of the first vent hole (11), and the inner wall of each second embedded hole is fixedly connected with the outer side of the corresponding heat dissipation block (12).
7. An N-type cell for a photovoltaic panel according to claim 1, wherein the ventilation slots (10) are in communication with a corresponding plurality of second ventilation holes (9).
8. The N-type cell for a photovoltaic panel according to claim 2, wherein the top of the second mounting sheet (14) is rectangular and provided with a plurality of positioning grooves, and the inner walls of the positioning grooves are slidably connected with the outer sides of the corresponding positioning rods (16).
9. The N-type battery piece for a photovoltaic panel according to claim 1, wherein a plurality of first heat dissipation holes (20) are formed in the bottom inner wall of the ventilation cavity (4), a plurality of second heat dissipation holes (21) are formed in the top inner wall of the first ventilation hole (11), and the first heat dissipation holes (20) are communicated with the corresponding second heat dissipation holes (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210659995.7A CN114914321B (en) | 2022-06-13 | 2022-06-13 | N-type battery piece for photovoltaic panel |
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