CN117013928A - Novel high-efficient PERC solar cell of alkali polishing - Google Patents
Novel high-efficient PERC solar cell of alkali polishing Download PDFInfo
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- CN117013928A CN117013928A CN202311060103.2A CN202311060103A CN117013928A CN 117013928 A CN117013928 A CN 117013928A CN 202311060103 A CN202311060103 A CN 202311060103A CN 117013928 A CN117013928 A CN 117013928A
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- 239000003513 alkali Substances 0.000 title claims abstract description 24
- 101001073212 Arabidopsis thaliana Peroxidase 33 Proteins 0.000 title claims abstract description 23
- 101001123325 Homo sapiens Peroxisome proliferator-activated receptor gamma coactivator 1-beta Proteins 0.000 title claims abstract description 23
- 102100028961 Peroxisome proliferator-activated receptor gamma coactivator 1-beta Human genes 0.000 title claims abstract description 23
- 238000005498 polishing Methods 0.000 title claims abstract description 15
- 210000004027 cell Anatomy 0.000 claims abstract description 70
- 238000009434 installation Methods 0.000 claims abstract description 54
- 210000005056 cell body Anatomy 0.000 claims abstract description 15
- 230000000694 effects Effects 0.000 claims abstract description 8
- 239000002585 base Substances 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 4
- 229910000639 Spring steel Inorganic materials 0.000 claims description 3
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/20—Supporting structures directly fixed to an immovable object
- H02S20/22—Supporting structures directly fixed to an immovable object specially adapted for buildings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
- F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
- F24S25/63—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for fixing modules or their peripheral frames to supporting elements
- F24S25/634—Clamps; Clips
- F24S25/636—Clamps; Clips clamping by screw-threaded elements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/20—Supporting structures directly fixed to an immovable object
- H02S20/22—Supporting structures directly fixed to an immovable object specially adapted for buildings
- H02S20/23—Supporting structures directly fixed to an immovable object specially adapted for buildings specially adapted for roof structures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S30/00—Structural details of PV modules other than those related to light conversion
- H02S30/10—Frame structures
-
- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Photovoltaic Devices (AREA)
Abstract
The application relates to the technical field related to solar cells, in particular to a novel alkali polishing high-efficiency PERC solar cell which comprises a solar cell frame, a solar cell body, a mounting seat, a positioning seat and a mounting beam, wherein the solar cell frame is of a rectangular frame structure, and the back surface of the solar cell frame is provided with a seal; through setting up the high-efficient PERC solar cell of alkali polishing that comprises solar cell frame, solar cell body, mount pad, positioning seat and installation roof beam combination to through setting up the locking subassembly that comprises elastic support spare, roof, atress arch, card toothholder and location latch combination, and open the card tooth groove on the screw cap lateral wall of fastening screw, thereby through elastic support spare to roof application of force pressure, so that the location latch imbeds into the latch groove, thereby form locking effect to fastening screw, and form the locking in letting fastening nut imbeds the nut groove, thereby guarantee the whole installation stability of its structure.
Description
Technical Field
The application relates to the technical field related to solar cells, in particular to a novel alkali polishing high-efficiency PERC solar cell.
Background
The solar cell is a photoelectric semiconductor sheet which directly generates electricity by utilizing sunlight, is also called a solar chip or a photocell, and can output voltage instantly and generate current under the condition of a loop as long as the solar cell is subjected to illuminance meeting a certain illuminance condition. Physically, solar photovoltaic, simply referred to as photovoltaic.
The solar cell is a device for directly converting light energy into electric energy through a photoelectric effect or a photochemical effect, a crystalline silicon solar cell working through the photovoltaic effect is taken as a main stream, and a thin film cell working through the photochemical effect is used for implementing the solar cell and is still in a sprouting stage;
however, the conventional solar cell is simply positioned and installed by adopting a screw structure, but because the installation position of the solar cell is usually on a roof, and the roof is often greatly influenced by wind power, the solar cell body of the solar cell can generate certain degree of polarization under the action of the wind power, and the installation structure of the solar cell is easy to loosen under the influence, so that a certain degree of potential safety hazard is left.
Disclosure of Invention
The application aims to provide a novel alkali polishing efficient PERC solar cell for solving the problems in the background technology.
In order to achieve the above purpose, the present application provides the following technical solutions: a novel alkali-polished high efficiency PERC solar cell, the novel alkali-polished high efficiency PERC solar cell comprising:
the solar cell frame is of a rectangular frame structure, and the back surface of the solar cell frame is provided with a seal;
the solar cell body is embedded and installed in the solar cell frame;
the solar cell comprises a mounting seat, wherein the mounting seat is fixedly welded at the edge of a solar cell frame, an alignment groove is formed in the mounting seat, the alignment groove is of a notch structure with a regular decagon cross section, and a primary mounting hole is formed in the bottom of the alignment groove;
the lower side end section of the positioning seat is matched with the section size of the alignment groove, the lower side end of the positioning seat is connected in an inserted manner in the alignment groove, a first-stage mounting groove is formed in the positioning seat, a second-stage mounting hole is formed in the bottom of the first-stage mounting groove, a locking piece mounting groove is formed in the side wall of the first-stage mounting groove, and a locking assembly is arranged in the locking piece mounting groove;
the installation beam is characterized in that an installation base is fixedly welded on the bottom surface of the installation beam, the installation base is fixedly installed on a building body through an expansion bolt, an installation channel is formed in the installation beam, the installation channel is of a notch structure with a convex section, three-stage installation holes are formed in the bottom surface of the installation channel, and a nut groove is formed in the position of a port on the lower side of each three-stage installation hole;
the mounting seat, the positioning seat and the mounting beam are positioned through the fastening screw and the fastening nut, the fastening nut is embedded and mounted in the nut groove, and the fastening screw penetrates through the secondary mounting hole, the mounting channel and the tertiary mounting hole and is screwed on the fastening nut.
Preferably, the locking subassembly comprises elastic support spare, roof, atress arch, card tooth holder and location latch combination, roof and elastic support spare fixed connection, be integrated into one piece between card tooth holder, location latch, roof, the atress arch, set up the card tooth groove on the screw cap lateral wall of fastening screw, the latch groove evenly is provided with the round, and when elastic support spare is in reset state, its location latch imbeds to among the latch groove, the atress arch is the protruding structure that the cross-section is isosceles trapezoid, and the screwdriver when vertical inserting in the one-level mounting groove, and its bellied tip of atress offsets with the handle of a knife of screwdriver and sets up, and at this moment, elastic support spare is pressed, and the location latch withdraws from among the latch groove, the bellied sideline position department of atress all is through the chamfer processing.
Preferably, the cross sections of the positioning latch and the tooth slot are right-angled triangles, the cross section sizes of the positioning latch and the tooth slot are identical, and the right-angle edge of the positioning latch is propped against the right-angle edge of the latch slot when the fastening screw is unscrewed.
Preferably, the rear side end of the elastic support piece is fixedly welded with a bottom plate, a bottom plate clamping groove is formed in the edge position of the rear side face of the locking piece mounting groove, the bottom plate of the locking assembly is embedded into the bottom plate clamping groove during actual mounting, a guide rod hole is formed in the bottom plate, a guide rod is fixedly welded on the rear side face of the top plate, the guide rod movably penetrates through the guide rod hole to be arranged, a guide rod groove is formed in the rear side face of the locking piece mounting groove, and the guide rod groove and the guide rod are correspondingly arranged.
Preferably, the port of the dead piece mounting groove is provided with a lower stop block by welding and positioning at the lower side, the upper end surface of the positioning seat is fixedly welded with a limit panel, a round hole is formed in the center of the limit panel, an upper stop block is fixedly welded at the position of the dead piece mounting groove on the lower surface of the limit panel, and the upper end and the lower end of the top plate are limited by the upper stop block and the lower stop block respectively.
Preferably, the guide rod is arranged at the upper end and the lower end of the top plate and symmetrically provided with a group, the guide rod is sleeved with a supporting spring, the elastic supporting piece is formed by combining a primary supporting body and a secondary supporting body, the primary supporting body is of a shuttle-shaped frame structure, the secondary supporting body is of a diamond frame structure, the primary supporting body and the secondary supporting body are cast by spring steel, and the primary supporting body and the secondary supporting body are integrally formed.
Preferably, the port position of the first-stage mounting hole is provided with a second-stage mounting groove, a preset positioning piece is arranged in the second-stage mounting groove, the side edge of the port of the mounting channel is provided with a preset positioning hole, the preset positioning piece is composed of a limiting ring and a limiting pipe, the limiting ring and the limiting pipe are integrally formed, the outer diameter value of the limiting pipe is identical with the diameter value of the preset positioning hole, and the limiting pipe and the preset positioning hole are coaxially arranged.
Preferably, the limiting ring is fixedly connected with an annular seat through a supporting spring, a positioning protrusion is fixedly welded on the outer side wall of the annular seat, an annular groove, a guide groove and a positioning groove are formed in the side wall of the secondary installation groove, when the positioning protrusion is embedded into the positioning groove, and the supporting spring is in a reset state, the end part of the limiting pipe pops out of the primary installation hole, and the end part of the limiting pipe is inserted into the pre-positioning hole.
Preferably, the guide groove and the positioning groove are symmetrically provided with a group, the section sizes of the guide groove and the positioning groove are identical, the guide groove and the positioning groove are distributed in a cross shape, the positioning bulge is symmetrically provided with a group, and the size of the positioning bulge is identical to the size of the positioning bulge.
Preferably, the solar cell body is subjected to alkali polishing treatment.
Compared with the prior art, the application has the beneficial effects that:
1. the novel alkali polishing high-efficiency PERC solar cell is formed by combining a solar cell frame, a solar cell body, a mounting seat, a positioning seat and a mounting beam, and a locking assembly formed by combining an elastic supporting piece, a top plate, a stress bulge, a tooth clamping seat and a positioning clamping tooth is arranged, and a tooth clamping groove is formed in the side wall of a screw cap of a fastening screw, so that the elastic supporting piece applies force to the top plate to enable the positioning clamping tooth to be embedded into the clamping tooth groove, thereby forming a locking effect on the fastening screw, and enabling a fastening nut to be embedded into a nut groove to form locking, so that the integral installation stability of the structure of the novel alkali polishing high-efficiency PERC solar cell is ensured;
2. and the secondary mounting groove is formed at the port position of the primary mounting hole, the pre-positioning piece formed by the limiting ring and the limiting pipe is arranged in the secondary mounting groove, and the pre-positioning hole is formed at the port side edge position of the mounting channel, so that the pre-positioning hole is inserted through the limiting pipe in a limiting manner, the pre-positioning is formed on the solar cell frame, the position deviation of the solar cell frame during actual positioning is avoided, the fixed mounting convenience of the solar cell frame is improved, and the pre-positioning piece can be stressed to be sprung into the secondary mounting groove when a plurality of solar cell frames are stacked, so that the interference influence on the stacking of the solar cell frames is avoided.
Drawings
FIG. 1 is a schematic diagram of the structure of the present application;
FIG. 2 is a half cross-sectional view of the present application;
FIG. 3 is an enlarged schematic view of the structure shown in FIG. 2A;
FIG. 4 is an enlarged schematic view of the structure shown at B in FIG. 2;
FIG. 5 is a half cross-sectional view of the positioning seat of the present application;
FIG. 6 is a schematic view of the structure of the pre-positioning member of the present application;
FIG. 7 is a schematic view of the structure of the fastening screw of the present application;
fig. 8 is a schematic structural view of a locking assembly according to the present application.
In the figure: solar cell frame 1, solar cell body 2, mount pad 3, positioning pad 4, mount beam 5, mount channel 6, tertiary mounting hole 7, nut groove 8, pre-positioning hole 9, alignment groove 10, primary mounting hole 11, primary mounting groove 12, secondary mounting hole 13, dead piece mounting groove 14, fastening screw 15, fastening nut 16, dead assembly 17, elastic support 18, top plate 19, stress protrusion 20, latch pad 21, positioning latch 22, latch groove 23, lower stopper 24, bottom plate latch groove 25, bottom plate 26, guide rod groove 27, guide rod 28, support spring 29, limit panel 30, upper stopper 31, primary support body 32, secondary support body 33, secondary mounting groove 34, pre-positioning piece 35, limit ring 36, limit tube 37, annular groove 38, guide groove 39, positioning groove 40, support spring 41, annular seat 42, positioning protrusion 43, and mount base 45.
Detailed Description
In order to make the objects, technical solutions, and advantages of the present application more apparent, the embodiments of the present application will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present application, are intended to be illustrative only and not limiting of the embodiments of the present application, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present application.
In the description of the present application, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.
Referring to fig. 1-8, the present application provides the following five preferred embodiments:
example 1
The novel alkali polishing efficient PERC solar cell comprises a solar cell frame 1, a solar cell body 2, a mounting seat 3, a positioning seat 4 and a mounting beam 5, wherein the solar cell frame 1 is of a rectangular frame structure, the back of the solar cell frame 1 is in sealing arrangement, the solar cell body 2 is embedded and mounted in the solar cell frame 1, the mounting seat 3 is fixedly welded at the edge of the solar cell frame 1, a counterpoint groove 10 is formed in the mounting seat 3, the counterpoint groove 10 is of a notch structure with a regular decagon cross section, a primary mounting hole 11 is formed in the bottom of the counterpoint groove 10, the cross section of the lower side end of the positioning seat 4 is identical with the cross section of the counterpoint groove 10, the lower side end of the positioning seat 4 is connected in the counterpoint groove 10 in a plugging manner, and the positioning seat 4 is provided with a primary mounting groove 12, the tank bottom of the primary installation tank 12 is provided with a secondary installation hole 13, the side wall of the primary installation tank 12 is provided with a locking piece installation tank 14, a locking assembly 17 is arranged in the locking piece installation tank 14, the bottom surface of the installation beam 5 is fixedly welded with an installation base 45, the installation base 45 is fixedly installed on a building body through an expansion bolt, the installation beam 5 is provided with an installation channel 6, the installation channel 6 is of a notch structure with a convex section, the bottom surface of the installation channel 6 is provided with a tertiary installation hole 7, the lower side port position of the tertiary installation hole 7 is provided with a nut groove 8, the installation seat 3, the positioning seat 4 and the installation beam 5 are positioned through a fastening screw 15 and a fastening nut 16, the fastening nut 16 is embedded and installed in the nut groove 8, and the fastening screw 15 penetrates through the secondary installation hole 13, the installation channel 6, the tertiary mounting holes 7 are screwed on the fastening nuts 16.
The locking assembly 17 is formed by combining an elastic supporting piece 18, a top plate 19, a stress bulge 20, a tooth clamping seat 21 and a positioning tooth clamping seat 22, wherein the top plate 19 is fixedly connected with the elastic supporting piece 18, the tooth clamping seat 21, the positioning tooth clamping seat 22, the top plate 19 and the stress bulge 20 are integrally formed, tooth clamping grooves 23 are formed in the side wall of a screw cap of the fastening screw 15, the tooth clamping grooves 23 are uniformly provided with a circle, when the elastic supporting piece 18 is in a reset state, the positioning tooth clamping seat 22 is embedded into the tooth clamping grooves 23, the stress bulge 20 is of a bulge structure with an isosceles trapezoid cross section, when a screwdriver is vertically inserted into the first-stage mounting groove 12, the end part of the stress bulge 20 is propped against the handle of the screwdriver, at the moment, the elastic supporting piece 18 is pressed, and at the moment, the positioning tooth clamping seat 22 withdraws from the tooth clamping grooves 23, and the edge positions of the stress bulge 20 are subjected to chamfering treatment.
The cross sections of the positioning latch 22 and the latch groove 23 are right triangle, the cross section sizes of the positioning latch 22 and the latch groove 23 are identical, and the fastening screw 15 is in unscrewing process, the right-angle side of the positioning latch 22 is propped against the right-angle side of the latch groove 23, the novel alkali polishing high-efficiency PERC solar cell formed by combining the solar cell frame 1, the solar cell body 2, the mounting seat 3, the positioning seat 4 and the mounting beam 5 is arranged, the locking assembly 17 formed by combining the elastic supporting piece 18, the top plate 19, the stress bulge 20, the latch seat 21 and the positioning latch 22 is arranged, and the latch groove 23 is formed on the side wall of the screw cap of the fastening screw 15, so that the elastic supporting piece 18 applies force to the top plate 19, the positioning latch 22 is embedded into the latch groove 23, a locking effect is formed on the fastening screw 15, and the fastening nut 16 is embedded into the groove 8 to form locking, so that the integral mounting stability of the structure is ensured.
Example two
On the basis of the first embodiment, the rear side end of the elastic support member 18 is fixedly welded with a bottom plate 26, the edge of the rear side surface of the locking member mounting groove 14 is provided with a bottom plate clamping groove 25, the bottom plate 26 of the locking member 17 is embedded into the bottom plate clamping groove 25 during actual mounting, a guide rod hole is formed in the bottom plate 26, the rear side surface of the top plate 19 is fixedly welded with a guide rod 28, the guide rod 28 movably penetrates through the guide rod hole, the rear side surface of the locking member mounting groove 14 is provided with a guide rod groove 27, and the guide rod groove 27 is correspondingly arranged with the guide rod 28 to ensure the stability of the front and rear movement of the top plate 19.
The lower stop block 24 is welded and positioned near the lower side of the port of the locking piece mounting groove 14, the upper end face of the positioning seat 4 is fixedly welded with the limiting panel 30, a round hole is formed in the center of the limiting panel 30, the upper stop block 31 is fixedly welded on the lower surface of the limiting panel 30 at the position of the locking piece mounting groove 14, and the upper end and the lower end of the top plate 19 are limited through the upper stop block 31 and the lower stop block 24 respectively.
Example III
On the basis of the second embodiment, a group of guide rods 28 are symmetrically arranged at the upper end and the lower end of the top plate 19, the guide rods 28 are sleeved with supporting springs 29, the elastic supporting piece 18 is formed by combining a primary supporting body 32 and a secondary supporting body 33, the primary supporting body 32 is of a shuttle-shaped frame structure, the secondary supporting body 33 is of a diamond frame structure, the primary supporting body 32 and the secondary supporting body 33 are cast by spring steel, the primary supporting body 32 and the secondary supporting body 33 are integrally formed, and the supporting strength of the top plate 19 is effectively ensured through the combined action of the supporting springs 29, the primary supporting body 32 and the secondary supporting body 33, so that the positioning clamping teeth 22 are stably embedded into the clamping tooth grooves 23.
Example IV
On the basis of the third embodiment, a secondary installation groove 34 is formed in the port position of the primary installation hole 11, a pre-positioning piece 35 is arranged in the secondary installation groove 34, a pre-positioning hole 9 is formed in the port side edge of the installation channel 6, the pre-positioning piece 35 is formed by combining a limiting ring 36 and a limiting pipe 37, the limiting ring 36 and the limiting pipe 37 are integrally formed, the outer diameter value of the limiting pipe 37 is identical with the diameter value of the pre-positioning hole 9, and the limiting pipe 37 and the pre-positioning hole 9 are coaxially arranged.
The annular seat 42 is fixedly connected to the limiting ring 36 through the supporting spring 41, the positioning protrusion 43 is fixedly welded to the outer side wall of the annular seat 42, the annular groove 38, the guide groove 39 and the positioning groove 40 are formed in the side wall of the second-stage mounting groove 34, when the positioning protrusion 43 is embedded into the positioning groove 40, and when the supporting spring 41 is in a reset state, the end part of the limiting tube 37 pops out of the first-stage mounting hole 11, the end part of the limiting tube 37 is inserted into the pre-positioning hole 9, the second-stage mounting groove 34 is formed at the position of the port of the first-stage mounting hole 11, the pre-positioning piece 35 formed by combining the limiting ring 36 and the limiting tube 37 is arranged in the second-stage mounting groove 34, and the pre-positioning hole 9 is formed at the position of the port side edge of the mounting channel 6, so that the pre-positioning hole 9 is inserted in a limiting manner through the limiting tube 37, thereby forming pre-positioning for the solar cell frame 1, so that position deviation of the solar cell frame 1 is avoided when the solar cell frame 1 is in an actual positioning state, the fixed mounting convenience of the solar cell frame 1 is improved, and when a plurality of solar cell frames 1 are stacked, the pre-positioning piece 35 pops into the second-stage mounting groove 34, and the solar cell frame 1 is prevented from interfering with the solar cell frame 1.
The guide slot 39 and the positioning slot 40 are symmetrically provided with a group, the cross section sizes of the guide slot 39 and the positioning slot 40 are identical, the guide slot 39 and the positioning slot 40 are in cross arrangement, the positioning bulge 43 is symmetrically provided with a group, the size of the positioning bulge 43 is identical with the size of the positioning bulge 43, the pre-positioning piece 35 can be conveniently disassembled and assembled, and the positioning stability of the pre-positioning piece 35 can be ensured.
Example five
On the basis of the fourth embodiment, the solar cell body 2 is subjected to alkali polishing treatment, so that the conversion rate of the solar cell body 2 to light energy is improved.
During actual use, the worker inserts the fastening nut 16 into the nut groove 8, and passes through the secondary mounting hole 13, the mounting channel 6 and the tertiary mounting hole 7 through the fastening screw 15, and then screws the fastening nut 16, and the handle of the screwdriver generates a supporting acting force to the stress protrusion 20, so that the top plate 19 is retracted, the positioning latch 22 is retracted, and when the handle of the screwdriver is pulled out, the stress protrusion 20 loses acting force, so that the positioning latch 22 is elastically embedded into the latch groove 23.
While the foregoing describes illustrative embodiments of the present application so that those skilled in the art may understand the present application, the present application is not limited to the specific embodiments, and all applications and creations utilizing the inventive concepts are within the scope of the present application as long as the modifications are within the spirit and scope of the present application as defined and defined in the appended claims to those skilled in the art.
Claims (10)
1. The utility model provides a novel high-efficient PERC solar cell of alkali polishing which characterized in that: the novel alkali polishing high-efficiency PERC solar cell comprises:
the solar cell frame (1), wherein the solar cell frame (1) is of a rectangular frame structure, and the back surface of the solar cell frame (1) is provided with a seal;
the solar cell comprises a solar cell body (2), wherein the solar cell body (2) is embedded and installed in a solar cell frame (1);
the solar cell comprises an installation seat (3), wherein the installation seat (3) is fixedly welded at the edge of a solar cell frame (1), an alignment groove (10) is formed in the installation seat (3), the alignment groove (10) is of a notch structure with a regular decagon cross section, and a primary installation hole (11) is formed in the bottom of the alignment groove (10);
the lower side end section of the positioning seat (4) is matched with the section size of the alignment groove (10), the lower side end of the positioning seat (4) is connected in the alignment groove (10) in a plug-in manner, the positioning seat (4) is provided with a first-stage mounting groove (12), the bottom of the first-stage mounting groove (12) is provided with a second-stage mounting hole (13), the side wall of the first-stage mounting groove (12) is provided with a locking piece mounting groove (14), and a locking assembly (17) is arranged in the locking piece mounting groove (14);
the installation beam (5), the bottom surface of the installation beam (5) is fixedly welded with an installation base (45), the installation base (45) is fixedly installed on a building body through an expansion bolt, an installation channel (6) is formed in the installation beam (5), the installation channel (6) is of a notch structure with a convex section, the bottom surface of the installation channel (6) is provided with a three-level installation hole (7), and a nut groove (8) is formed in the position of a lower side port of the three-level installation hole (7);
the mounting seat (3), the positioning seat (4) and the mounting beam (5) are positioned through a fastening screw (15) and a fastening nut (16), the fastening nut (16) is embedded and mounted in the nut groove (8), and the fastening screw (15) penetrates through the secondary mounting hole (13), the mounting channel (6) and the tertiary mounting hole (7) and is screwed on the fastening nut (16).
2. The novel alkali polished high efficiency PERC solar cell of claim 1, wherein: the locking assembly (17) is formed by combining an elastic supporting piece (18), a top plate (19), a stress bulge (20), a latch seat (21) and a positioning latch (22), the top plate (19) is fixedly connected with the elastic supporting piece (18), the latch seat (21), the positioning latch (22), the top plate (19) and the stress bulge (20) are integrally formed, a latch groove (23) is formed in the side wall of a screw cap of the fastening screw (15), the latch groove (23) is uniformly provided with a circle, the elastic supporting piece (18) is in a reset state, the positioning latch (22) is embedded into the latch groove (23), the stress bulge (20) is of a bulge structure with an isosceles trapezoid cross section, the end part of the stress bulge (20) is propped against a screwdriver handle when the screwdriver is vertically inserted into the first-stage mounting groove (12), the elastic supporting piece (18) is pressed, the positioning latch (22) is withdrawn from the latch groove (23) at the moment, and the position of the bulge (20) is subjected to round corner rounding treatment.
3. The novel alkali polished high efficiency PERC solar cell of claim 2, wherein: the sections of the positioning latch (22) and the latch groove (23) are right triangle, the section sizes of the positioning latch (22) and the latch groove (23) are identical, and the right-angle side of the positioning latch (22) and the right-angle side of the latch groove (23) are propped against each other when the fastening screw (15) is unscrewed.
4. A novel alkali polished high efficiency PERC solar cell as claimed in claim 3, wherein: the rear side end of elastic support piece (18) fixedly welded with bottom plate (26), bottom plate draw-in groove (25) have been seted up to the trailing flank edge of locking piece mounting groove (14), and lock dead subassembly (17) when actually installing, bottom plate (26) embedding is in bottom plate draw-in groove (25), set up the guide arm hole on bottom plate (26), the trailing flank fixed welding of roof (19) has guide arm (28), and guide arm (28) activity pass the guide arm hole setting, and set up guide arm groove (27) on the trailing flank of locking piece mounting groove (14), guide arm groove (27) and guide arm (28) corresponding setting.
5. The novel alkali polished high efficiency PERC solar cell of claim 4, wherein: the utility model discloses a lock dead piece mounting groove, including lock dead piece mounting groove (14), port and lower limit stop (24) have, the up end fixed welding of positioning seat (4) has spacing panel (30), round hole has been seted up at spacing panel (30) center, and the fixed welding of position department that the lower surface of spacing panel (30) is located lock dead piece mounting groove (14) has upper limit stop (31), and the upper and lower extreme of roof (19) carries out spacingly through upper limit stop (31), lower limit stop (24) respectively.
6. The novel alkali polished high efficiency PERC solar cell of claim 5, wherein: the guide rod (28) is arranged at the upper end and the lower end of the top plate (19) symmetrically and is provided with a group, the guide rod (28) is sleeved with a supporting spring (29), the elastic supporting piece (18) is formed by combining a primary supporting body (32) and a secondary supporting body (33), the primary supporting body (32) is of a shuttle-shaped frame structure, the secondary supporting body (33) is of a diamond frame structure, the primary supporting body (32) and the secondary supporting body (33) are cast by spring steel, and the primary supporting body (32) and the secondary supporting body (33) are integrally formed.
7. The novel alkali polished high efficiency PERC solar cell of claim 6, wherein: the utility model discloses a device for fixing a cable to a cable-stayed vehicle, including a first-level mounting hole (11), a second-level mounting groove (34) has been seted up to port position department of first-level mounting hole (11), be provided with in second-level mounting groove (34) and reserve locating part (35), and have seted up on the port side of installation passageway (6) and reserve locating hole (9), reserve locating part (35) are by spacing ring (36) and spacing pipe (37) combination constitution, be integrated into one piece between spacing ring (36) and spacing pipe (37), and the external diameter value of spacing pipe (37) coincide with the diameter value of reserve locating hole (9), and be coaxial line setting between spacing pipe (37), the reserve locating hole (9).
8. The novel alkali polished high efficiency PERC solar cell of claim 7, wherein: the limiting ring (36) is fixedly connected with an annular seat (42) through a supporting spring (41), a positioning protrusion (43) is fixedly welded on the outer side wall of the annular seat (42), an annular groove (38), a guide groove (39) and a positioning groove (40) are formed in the side wall of the secondary mounting groove (34), when the positioning protrusion (43) is embedded into the positioning groove (40), and when the supporting spring (41) is in a reset state, the end part of a limiting pipe (37) pops out from a primary mounting hole (11), and the end part of the limiting pipe (37) is inserted into a pre-positioning hole (9).
9. The novel alkali polished high efficiency PERC solar cell of claim 8, wherein: the guide grooves (39) and the positioning grooves (40) are symmetrically arranged in a group, the cross section sizes of the guide grooves (39) and the positioning grooves (40) are identical, the guide grooves (39) and the positioning grooves (40) are distributed in a cross shape, the positioning protrusions (43) are symmetrically arranged in a group, and the size of the positioning protrusions (43) is identical to the size of the positioning protrusions (43).
10. The novel alkali polished high efficiency PERC solar cell of claim 1, wherein: the solar cell body (2) is subjected to alkali polishing treatment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311060103.2A CN117013928B (en) | 2023-08-22 | 2023-08-22 | Alkali polishing efficient PERC solar cell |
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| CN202311060103.2A CN117013928B (en) | 2023-08-22 | 2023-08-22 | Alkali polishing efficient PERC solar cell |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102299186A (en) * | 2011-08-25 | 2011-12-28 | 浙江正泰太阳能科技有限公司 | Solar cell panel installation and fixing device, and installation and fixing method |
| CN107612484A (en) * | 2017-10-17 | 2018-01-19 | 江阴艾能赛瑞能源科技有限公司 | A kind of solar components housing splicing construction |
| CN116418279A (en) * | 2022-12-06 | 2023-07-11 | 润达光伏盐城有限公司 | Reinforced structure and solar photovoltaic panel |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102299186A (en) * | 2011-08-25 | 2011-12-28 | 浙江正泰太阳能科技有限公司 | Solar cell panel installation and fixing device, and installation and fixing method |
| CN107612484A (en) * | 2017-10-17 | 2018-01-19 | 江阴艾能赛瑞能源科技有限公司 | A kind of solar components housing splicing construction |
| CN116418279A (en) * | 2022-12-06 | 2023-07-11 | 润达光伏盐城有限公司 | Reinforced structure and solar photovoltaic panel |
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