CN217282844U - Novel photovoltaic module frame - Google Patents
Novel photovoltaic module frame Download PDFInfo
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- CN217282844U CN217282844U CN202220713622.9U CN202220713622U CN217282844U CN 217282844 U CN217282844 U CN 217282844U CN 202220713622 U CN202220713622 U CN 202220713622U CN 217282844 U CN217282844 U CN 217282844U
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Abstract
The utility model relates to the technical field of photovoltaic module frames, and discloses a novel photovoltaic module frame, which is a closed frame made of aluminum-magnesium-zinc coated steel, and comprises a cavity for mounting an angle code connecting piece, wherein each side surface of the cavity is provided with at least one layer of aluminum-magnesium-zinc coated steel, and the side surface of the cavity is provided with an inward-concave reinforcing rib; the aluminum-magnesium-zinc coating steel on the two side surfaces of the cavity is longitudinally pressed into a first pressing plate on the left side surface of the top of the cavity, the upper end part of the first pressing plate is bent towards the right side of the first pressing plate to form a bent plate, and the bent plate, the first pressing plate and the upper side surface of the cavity are sequentially enclosed into a clamping groove for plugging the photovoltaic module; the aluminum-magnesium-zinc coating steel on the two side surfaces of the cavity is transversely pressed into a second laminated plate on one side of the bottom of the cavity so as to be used for mounting an external photovoltaic support. This frame is closed frame, and the cavity is equipped with the strengthening rib, and first pressfitting board, bent plate and second pressfitting board in addition are equipped with two-layer almag zinc coating steel, therefore frame intensity greatly promotes to can reduce the frame cost.
Description
Technical Field
The utility model relates to a photovoltaic module frame technical field, concretely relates to novel photovoltaic module frame.
Background
With the rapid development of photovoltaic technology, the photovoltaic industry gradually enters the non-subsidy era at present. Therefore, how to effectively reduce the cost of the photovoltaic system becomes a new research topic in the photovoltaic industry.
The existing photovoltaic module frame is generally made of aluminum materials as shown in a high-pressure-bearing glue-repairing-free photovoltaic module frame provided by publication No. CN 104022726B. However, the modern aluminium industry requires 2 tonnes of alumina per tonne of aluminium ingot; the power consumption of the electrolytic aluminum is about 14000Kwh to 16000Kwh per ton, and the aluminum liquid obtained by electrolysis is purified and clarified and then cast into aluminum ingots. Therefore, the production of aluminum ingots consumes a large amount of aluminum oxide and consumes a large amount of electricity, which results in high production cost of aluminum ingots. Since 2021, the price of aluminum ingots has risen all the way, and 9 months 3-10 months 15 days, the price of aluminum ingots has risen up to 11%. Therefore, the existing aluminum alloy photovoltaic module frame is limited by the cost factor of raw materials, so that the cost of the photovoltaic module frame can be reduced, and the space is small.
Moreover, throughout the history of photovoltaic module development, the photovoltaic module size changed from 250 x 175 x 25mm to the current 2384 x 1303 x 35mm, the photovoltaic module size increased much, and it will later develop toward larger sizes. However, as the size of the photovoltaic module becomes larger, the aluminum frame also develops to the direction that the section of the frame is larger and the thickness of the frame is thicker; the existing aluminum frame is low in strength, so that the aluminum frame needs to be reinforced by a structure with a larger section and a thicker thickness to adapt to a large-size photovoltaic module. The aluminum frame with a larger cross section and a thicker thickness will undoubtedly further increase the production cost of the photovoltaic module frame.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a novel photovoltaic module frame to replace current aluminium system frame, this novel photovoltaic module frame's mechanical strength is bigger, and the section bar price is cheaper, can effectively reduce the frame cost.
Based on the structure, the utility model discloses a novel photovoltaic module frame, which is a closed frame made of aluminum-magnesium-zinc coating steel, and comprises a cavity for installing an external corner connector, wherein each side surface of the cavity is provided with at least one layer of aluminum-magnesium-zinc coating steel, and the side surface of the cavity is provided with an inwards concave reinforcing rib; the aluminum-magnesium-zinc coating steel materials on the two side surfaces of the cavity are longitudinally pressed on the left side surface of the top of the cavity to form a vertical first laminated plate, and the upper end part of the first laminated plate is bent towards the right side of the first laminated plate to form a bent plate, so that the bent plate, the first laminated plate and the upper side surface of the cavity are sequentially connected to form a clamping groove for the photovoltaic module to be inserted; the aluminum-magnesium-zinc coating steel on the two side faces of the cavity forms a second laminated plate on one side of the bottom of the cavity along transverse pressing so as to mount an external photovoltaic support.
Preferably, the novel photovoltaic module frame is a closed frame made of an aluminum magnesium zinc coating steel material through cold bending and rolling, and the starting point and the ending point of the aluminum magnesium zinc coating steel material are fixedly connected with the inner side of the clamping groove;
the local bending of the aluminum-magnesium-zinc coating steel forms the cavity with a layer of aluminum-magnesium-zinc coating steel on the left side, the upper side, the right side and the lower side; the left end part of the upper side surface of the cavity is bent upwards and then is pressed with the left side surface of the cavity along the longitudinal direction to form a first pressing plate with two layers of aluminum-magnesium-zinc coating steel, the upper end part of the first pressing plate is bent towards the right side of the first pressing plate to form a bending plate with two layers of aluminum-magnesium-zinc coating steel, and the bending plate, the first pressing plate and the upper side surface of the cavity are sequentially connected to form a clamping groove for the side edge of the photovoltaic component to be inserted and connected; the bottom end part of the right side face of the cavity is bent rightwards and then forms the second laminated plate with two layers of aluminum-magnesium-zinc coating steel materials with the lower side face of the cavity along transverse pressing.
Preferably, the novel photovoltaic module frame is a closed frame made of an aluminum-magnesium-zinc coating steel material through cold-bending and rolling, the ending point of the aluminum-magnesium-zinc coating steel material is fixedly connected to the inner side of the clamping groove, and the starting point of the aluminum-magnesium-zinc coating steel material is fixedly connected into the second laminated plate;
the part of the aluminum-magnesium-zinc coating steel is bent to form the cavity, the left side surface and the lower side surface of the cavity are both provided with a layer of aluminum-magnesium-zinc coating steel, and the upper side surface and the right side surface of the cavity are both provided with two layers of aluminum-magnesium-zinc coating steel; the left end part of the upper side surface of the cavity is bent upwards and then is pressed with the left side surface of the cavity along the longitudinal direction to form the first pressing plate, the lower end part and the upper end part of the first pressing plate are respectively provided with three layers of aluminum-magnesium-zinc coating steel and two layers of aluminum-magnesium-zinc coating steel, the upper end part of the first pressing plate is bent towards the right side of the first pressing plate to form the bending plate with two layers of aluminum-magnesium-zinc coating steel, and the bending plate, the first pressing plate and the upper side surface of the cavity are sequentially connected to form the clamping groove for the side edge of the photovoltaic module to be inserted and connected; the bottom end of the right side face of the cavity is bent rightwards and then forms a second laminated plate with three layers of aluminum-magnesium-zinc coating steel with the lower side face of the cavity along transverse pressing.
Further preferably, the starting point and the ending point of the aluminum-magnesium-zinc coating steel are welded;
or the ending point of the aluminum-magnesium-zinc coating steel is positioned on the inner side of the clamping groove, and the starting point of the aluminum-magnesium-zinc coating steel is welded in the second laminated plate.
Further preferably, the left side surface of the cavity is provided with the inward-concave reinforcing ribs.
Preferably, the free end of the second pressing plate is bent towards one side of the cavity and pressed to form the reinforcing part.
Preferably, the free end of the bending plate is pressed downwards along the inside of the clamping groove to form a pressing part, so that the opening of the clamping groove is closed.
Preferably, the left side of the cavity is provided with a fixing hole, so that an external fixing piece can be detachably fixed to the cavity after penetrating through the fixing hole.
Further preferably, the right side surface of the cavity is provided with an occlusion port for fixing a clamping protrusion on the surface of the corner connector.
Preferably, the surface of the aluminum-magnesium-zinc coating steel is also provided with an anticorrosive coating.
Compared with the prior art, the utility model discloses at least, including following beneficial effect:
the novel photovoltaic module frame is a closed frame made of aluminum-magnesium-zinc coated steel, the strength of the aluminum-magnesium-zinc coated steel can reach more than three times of the strength of an aluminum material, and the first pressing plate, the bending plate and the second pressing plate are all provided with at least two layers of laminated aluminum-magnesium-zinc coated steel, so that compared with a single-layer open frame, the closed frame can further improve the frame strength, and the side surface of the cavity is provided with an inwards-concave reinforcing rib to enhance the strength of the side surface of the cavity; consequently, the mechanical strength of this novel photovoltaic module frame can obtain greatly promoting, can fundamentally solve the intensity problem of frame, can replace aluminium system frame to be applicable to large size photovoltaic module, and the aluminum product is also cheaper than to the price of this aluminium magnesium zinc coating steel, and then can also reduce the frame cost.
Drawings
Fig. 1 is a schematic view of a longitudinal cross-sectional structure of a novel photovoltaic module frame according to this embodiment.
Fig. 2 is a schematic view of a longitudinal cross-sectional structure of another novel photovoltaic module frame according to this embodiment.
Fig. 3 is a schematic perspective view of a corner connector.
Fig. 4 is a schematic view of an angle mounting structure of the angle code connector mounted in the cavity.
FIG. 5 is a schematic view of an alternative angle of the mounting structure of the corner connector within the cavity.
The reference numbers indicate: an aluminum-magnesium-zinc coated steel material 1; a starting point 11; an ending point 12; a cavity 2; a fixing hole 21; a reinforcing rib 22; an occlusal opening 23; a first laminate sheet 3; a bending plate 31; a hold-down portion 311; a card slot 4; a second laminate sheet 5; a reinforcement part 51; a corner connector 6; and a snap projection 61.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Examples
The novel photovoltaic module frame of this embodiment, see fig. 1-2, is a closed frame made of aluminum-magnesium-zinc coated steel material 1 through cold-bending and rolling, and the frame is of a closed structure, so that the wind and snow load resistance is enhanced.
The novel photovoltaic module frame is shown in figures 1-3 and comprises a cavity 2, wherein the left side, the upper side, the right side and the lower side of the cavity 2 are sequentially connected end to end, so that the cavity 2 is provided with a front-back through mounting hole for mounting an external corner connector 6; the aluminum-magnesium-zinc coating steel materials 1 on the two side surfaces of the cavity 2 are longitudinally pressed on the left side surface of the top of the cavity 2 to form a vertical first laminated plate 3, the upper end part of the first laminated plate 3 is bent towards the right side to form a bent plate 31, so that the bent plate 31, the first laminated plate 3 and the upper side surface of the cavity 2 are sequentially connected to form a clamping groove 4 for plugging the photovoltaic module; and the aluminum-magnesium-zinc coating steel materials 1 on the two side surfaces of the cavity 2 are transversely pressed on one side of the bottom of the cavity 2 to form a second pressing plate 5 for mounting an external photovoltaic support. Specifically, the al-mg-zn coated steel materials 1 on the two side surfaces of the cavity 2 may be transversely pressed on the right side surface (or the left side surface) of the bottom of the cavity 2 to form the second pressed board 5 according to actual requirements, and preferably, the al-mg-zn coated steel materials 1 on the two side surfaces of the cavity 2 are transversely pressed on the right side surface of the bottom of the cavity 2 to form the second pressed board 5.
The cross section of the corner connector 6 is L-shaped (as shown in figure 3). In practical application, the novel photovoltaic assembly frame of this embodiment can be set to different lengths according to actual demands, and the following novel photovoltaic assembly frame with larger length is referred to as a long frame for short, and the novel photovoltaic assembly frame with smaller length is referred to as a short frame for short. When the device is used, 2 long frames and 2 short frames are taken, and single-component silica gel is respectively filled in the clamping grooves 4 of the long frames and the short frames; grabbing the 4 novel photovoltaic module frames by a manipulator and placing the frames into a set position; after the photovoltaic module enters the framing equipment position, the framing equipment pushes the long frame into the photovoltaic module, so that the longer two side edges of the photovoltaic module are respectively packaged in the clamping grooves 4 of the 2 long frames, the framing equipment pushes the short frame stably, so that the shorter two side edges of the photovoltaic module are respectively packaged in the clamping grooves 4 of the 2 short frames, and the photovoltaic module is framed and finished and flows into the next procedure.
In practical application, two ends of the corner connector 6 with the L-shaped cross section are respectively installed in the corresponding cavities 2 of the short frame and the long frame adjacent to the corner, so that the two ends of the corner connector 6 are tightly attached to the inner walls of the corresponding cavities 2 (fig. 4-5 are installation structure schematic diagrams of one end of the corner connector 6 installed in the cavity 2 of a novel photovoltaic module frame), and the short frame and the long frame adjacent to the corner are assembled and fixed through the corner connector 6. Subsequently, the second laminated plate 5 is fixedly arranged on an external photovoltaic support, and the packaged photovoltaic module can be arranged on different application occasions.
The photovoltaic module preferably comprises front plate glass, a first adhesive film, a battery piece, a second adhesive film and back plate glass which are sequentially arranged from top to bottom; of course, the photovoltaic module can be other existing photovoltaic modules with laminated structures.
In making the tip of angle sign indicating number connecting piece 6 firmly be fixed in cavity 2, traditional aluminium system frame has formed the auto-lock because the angle sign indicating number connecting piece inserts the cavity, consequently, if the bad phenomenon of group's frame appears in conventional aluminium system frame, need roll off the production line behind the dress frame, is dismantled and is changed whole set of frame (including 2 long frames and 2 short frames) by the special messenger again, and personnel dismantle the difficulty, need two people's cooperation, and the too big photovoltaic module that can cause is scrapped hard, and need to change whole set of frame. Based on this, a fixing hole 21 (see fig. 4) is provided on the left side surface (i.e., the surface B shown in fig. 1-2) of the cavity 2, so that an external fixing member can pass through the fixing hole 21 to detachably fix the corner connector 6 to the cavity 2; so, in enabling the tip of angle sign indicating number connecting piece 6 to be firmly fixed in cavity 2, the frame equipment is convenient, can also be to the group frame that the dress frame in-process caused not to go on in time adjusting to the damage of angle sign indicating number connecting piece 6 and cavity 2 that the dress frame in-process caused, only need after accomplishing the dress frame action change the part of damage can, the loss reduces, andthe off-line reworking is not needed, and the operation is very simple and convenient. The corner connector 6 can be detachably fixed in the cavity 2 through clamping, threaded connection or other modes; preferably a threaded connection, and the fixing member is preferably a countersunk blind rivet which passes through the fixing hole 21 and the corner connector 6, thereby detachably fixing the corner connector 6 to the cavity 2. In practical application, the fixing hole 21 can be set to be matched with the fixing piece according to practical requirements; the fixing hole 21 is preferably formed as a hole
The number of the fixing holes 21 and the number of the fixing pieces are preferably 2.
Further, the right side surface (i.e., the surface a shown in fig. 1-2) of the cavity 2 is further provided with a snap 23 (see fig. 3 and 5) for fixing the clamping protrusion 61 on the surface of the corner connector 6, so that the cavity 2 and the corner connector 6 are more firmly fixed, and the drawing force reaches at least 20KG, thereby ensuring the stability of the use of the frame and prolonging the service life of the frame.
In this embodiment, the al-mg-zn coated steel material 1 is made of an existing al-mg-zn material using carbon steel as a base material, that is, the al-mg-zn coating is disposed on the surface of the carbon steel base material, and both the al-mg-zn coating and the carbon steel base material are existing known materials; the thickness of the aluminum-magnesium-zinc coating steel material 1 is 0.4-1mm, and the tensile strength is more than or equal to 460MPa, and the yield strength is more than or equal to 350 MPa. The conventional aluminum-magnesium-zinc material using carbon steel as a base material is specifically a novel corrosion-resistant coated steel plate composed of 11% of aluminum, 3% of magnesium and a trace amount of silicon. Therefore, the novel photovoltaic module frame made of the aluminum-magnesium-zinc coating steel material 1 has excellent rust resistance, processability and strength; for example, the plane and the end part of the novel photovoltaic module frame are good in rust prevention, and the bent part, the stretched part and the cold-bending forming part are not easy to rust; the surface of the processed part has no scars, and the weldability and the paintability are also good; the intensity is higher, is applicable to the large-size photovoltaic module.
Moreover, the strength of the aluminum-magnesium-zinc coating steel material 1 can reach more than three times of that of an aluminum material, so that the strength of the novel photovoltaic module frame can be greatly increased; referring to fig. 1-2, in the novel photovoltaic module frame, at least one layer of aluminum-magnesium-zinc coated steel material 1 is arranged on each side surface of the cavity 2, and the side surface of the cavity 2 is provided with the concave reinforcing rib 22, so that the strength of the side surface of the cavity 2 can be enhanced, and then the first laminated plate 3, the bending plate 31 and the second laminated plate 5 are all provided with at least two layers of laminated aluminum-magnesium-zinc coated steel material 1, and the frame is a frame with a closed structure; consequently, the mechanical strength of this novel photovoltaic module frame can obtain greatly promoting, can fundamentally solve the intensity problem of frame, is applicable to large size photovoltaic module, and this aluminium magnesium zinc coating steel 1's price is compared the aluminum product and is also cheaper, consequently, can also reduce the frame cost.
The free end of the bending plate 31 is pressed down along the inside of the slot 4 to form a pressing portion 311 (as shown in fig. 1-2), so that the opening of the slot 4 is closed, the side edge of the photovoltaic module is prevented from being easily separated from the slot 4, and the side edge of the photovoltaic module can be more firmly installed in the slot 4.
In an example of this embodiment, referring to fig. 1, the novel photovoltaic module frame is a closed frame made of an al-mg-zn coated steel material 1 through cold-bending and rolling, a starting point 11 and a ending point 12 of the al-mg-zn coated steel material 1 are both located inside the clamping groove 4, and the starting point 11 and the ending point 12 are fixedly connected to enhance the strength and corrosion resistance of the starting point 11 and the ending point 12; the fixed connection mode of the starting point 11 and the ending point 12 is preferably welding, and the welding can be resistance welding, laser welding or cold welding.
Specifically, referring to fig. 1, the local bending of the al-mg-zn coated steel material 1 forms the cavity 2 having a layer of al-mg-zn coated steel material 1 on the left side, the upper side, the right side and the lower side; the left end part of the upper side surface of the cavity 2 is bent upwards and then is pressed with the left side surface of the cavity 2 along the longitudinal direction to form the first pressing plate 3 with two layers of aluminum magnesium zinc coating steel materials 1, the upper end part of the first pressing plate 3 is bent towards the right side to form the bending plate 31 with two layers of aluminum magnesium zinc coating steel materials 1, and the bending plate 31, the first pressing plate 3 and the upper side surface of the cavity 2 are sequentially connected to form the clamping groove 4 for the side edge of the photovoltaic module to be inserted and connected in an enclosing mode; the bottom end of the right side of the cavity 2 is bent rightwards and then forms a second laminated plate 5 with two layers of aluminum-magnesium-zinc coating steel materials 1 along the transverse pressing with the lower side of the cavity 2. At this time, the strength of the first laminated plate 3, the bending plate 31 and the second laminated plate 5 provided with the two laminated aluminum-magnesium-zinc coated steel 1 is higher, and the strength of the cavity 2 with only one layer of aluminum-magnesium-zinc coated steel 1 on each side surface is relatively lower. Therefore, in some occasions with high strength requirements, the free end of the second laminated plate 5 is bent towards the cavity 2 and pressed to form the reinforcing part 51, so as to avoid the cavity 2 from being easily affected by the second laminated plate 5 to cause deformation due to low strength. Of course, it is also possible to provide the cavity 2 with concave reinforcing ribs 22 on any one or more of the four sides, i.e., the left side, the upper side, the right side and the lower side, to enhance the strength of the sides of the cavity 2.
In another example of this embodiment, referring to fig. 2, a closed frame is made by cold-bending and rolling a piece of al-mg-zn coated steel 1, a ending point 12 of the piece of al-mg-zn coated steel 1 is fixedly connected to the inside of the slot 4, and a starting point 11 of the piece of al-mg-zn coated steel 1 is fixedly connected to the inside of the second laminate board 5, so as to enhance the strength and corrosion resistance of the starting point 11 and the ending point 12; the fixed connection mode between the ending point 12 and the inner side of the clamping groove 4 and between the starting point 11 and the second laminated plate 5 is preferably welding, and welding can be resistance welding, laser welding or cold welding.
Specifically, referring to fig. 2, the partial bending of the piece of al-mg-zn coated steel material 1 forms the cavity 2, the left side and the lower side of the cavity 2 both have one layer of al-mg-zn coated steel material 1, and the upper side and the right side of the cavity 2 both have two layers of al-mg-zn coated steel material 1; the left end part of the upper side surface of the cavity 2 is bent upwards and then is pressed with the left side surface of the cavity 2 along the longitudinal direction to form the first laminated plate 3, the lower end part of the first laminated plate 3 is provided with three layers of aluminum magnesium zinc coating steel materials 1, the upper end part of the first laminated plate 3 is provided with two layers of aluminum magnesium zinc coating steel materials 1, the upper end part of the first laminated plate 3 is bent towards the right side to form the bending plate 31 with two layers of aluminum magnesium zinc coating steel materials 1, and the bending plate 31, the first laminated plate 3 and the upper side surface of the cavity 2 are sequentially connected with the clamping groove 4 which is formed by enclosing and is used for splicing the side edge of the photovoltaic module; the bottom end of the right side of the cavity 2 is bent rightwards and then forms a second laminated plate 5 with three layers of aluminum-magnesium-zinc coating steel materials 1 along the transverse pressing with the lower side of the cavity 2. At this time, the upper side and the right side of the first laminated plate 3, the second laminated plate 5, the bending plate 31 and the cavity 2 are respectively provided with at least two layers of laminated aluminum, magnesium and zinc coated steel materials 1, so that the strength is high; the lower side surface and the left side surface of the cavity 2 are both only provided with one layer of aluminum-magnesium-zinc coating steel material 1, the strength is relatively low, and particularly the left side surface of the cavity 2 is easily influenced by external force to cause the deformation of the cavity 2. Based on this, the concave reinforcing rib 22 is arranged on the left side surface of the cavity 2 by increasing the cold-bending rolling pass so as to enhance the strength of the left side surface of the cavity 2, and further enhance the overall mechanical strength of the cavity 2 so as to prevent the cavity 2 from deforming. Of course, the concave reinforcing ribs 22 can be arranged on the lower side surface of the cavity 2 or other parts of the novel photovoltaic module frame to enhance the mechanical strength of the whole novel photovoltaic module frame. Of course, the free end of the second compression plate 5 may also be bent toward the cavity 2 and compressed to form the reinforcing portion 51, so as to further improve the strength and the deformation resistance of the cavity 2.
Wherein, the surface of aluminium magnesium zinc coating steel 1 still is equipped with the anticorrosive coating, and this anticorrosive coating can be current anticorrosive coating to strengthen its anticorrosion effect.
Further, this novel photovoltaic module frame still can further carry out the frame of following one or more modes and handle after the welding, and its processing mode includes: (1) the whole frame of the novel photovoltaic module is subjected to spraying process treatment, such as spraying a polyurethane coating or a modified polyurethane coating on the original aluminum-magnesium-zinc coating in an electrostatic spraying mode. (2) High-speed air-pressure spraying of high-molecular materials such as polyurea type. (3) Spraying high molecular material such as FEVE type fluorocarbon resin. (4) And (3) forming an electrophoretic paint film by cathode electrophoresis, wherein the paint film solvent is as follows: paint containing 44% of water, 8% of ethylene glycol monobutyl ether and 4% of diethylene monobutyl ether, and paint film solute: 34 percent of epoxy resin and 10 percent of carbon black (the raw material contents of the paint film solvent and the paint film solute are all calculated by the mass percent of the electrophoretic paint). After cathode electrophoresis, the electrophoresis paint film can bring the following performances to the novel photovoltaic module frame: the coating has the advantages that the coating is 87% in epoxy resin content, 180 ℃ high-temperature resistant, free of yellowing, 13% in carbon black content (the content of the epoxy resin and the content of the carbon black are calculated by the mass percentage of an electrophoretic paint film), 60-80% in gloss (Baking175 ℃ C. 20mins), 100/100 in adhesion, more than 3H in hardness, free of scratches after being wiped for more than 50 times by MIBK with solvent resistance, 15 mu m in film thickness and more than 1000H in corrosion resistance (salt spray test) (15 mu m in film thickness, zinc phosphate pretreatment standard parts); thereby further prevent the notched corruption of branch of this novel photovoltaic module frame (for example, after through cold-formed roll-in shaping and welded connection, the oblique angle that novel photovoltaic module frame 45 saw cut is again through negative pole electrophoresis processing, can effectively prevent to saw cut the mouth and corrode), and then behind the photovoltaic module through photovoltaic module and novel photovoltaic module frame, can form an inclosed space, stop the material corrosion of novel photovoltaic module frame.
In addition, the novel photovoltaic module frame which is formed by spraying the polyurethane type coating or the modified polyurethane type coating on the original aluminum-magnesium-zinc coating in an electrostatic spraying mode and then spraying the polyurea and FEVE type high polymer materials at high speed and air pressure is attractive in appearance and free of chromatic aberration, and is popular with foreign customers.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the embodiments of the invention.
The technical solution provided by the present invention is introduced in detail, and the principle and the implementation of the present invention are explained by applying specific examples, and the explanation of the above examples is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (10)
1. A novel photovoltaic module frame is characterized by being a closed frame made of aluminum-magnesium-zinc coated steel, and comprising a cavity for mounting an external corner connector, wherein each side surface of the cavity is provided with at least one layer of aluminum-magnesium-zinc coated steel, and the side surface of the cavity is provided with an inwards concave reinforcing rib; the aluminum-magnesium-zinc coating steel on the two side surfaces of the cavity is longitudinally pressed on the left side surface of the top of the cavity to form a vertical first laminated plate, and the upper end part of the first laminated plate is bent towards the right side of the first laminated plate to form a bent plate, so that the bent plate, the first laminated plate and the upper side surface of the cavity are sequentially connected to form a clamping groove for plugging the photovoltaic module; and the aluminum-magnesium-zinc coating steel on the two side surfaces of the cavity is transversely pressed on one side of the bottom of the cavity to form a second laminated plate for mounting an external photovoltaic support.
2. The novel photovoltaic module frame as claimed in claim 1, wherein the frame is a closed frame made of a piece of aluminum magnesium zinc coated steel through cold roll forming, and the starting point and the ending point of the piece of aluminum magnesium zinc coated steel are fixedly connected with the inner sides of the clamping grooves;
the local bending of the aluminum-magnesium-zinc coating steel forms the cavity with a layer of aluminum-magnesium-zinc coating steel on the left side, the upper side, the right side and the lower side; the left end part of the upper side surface of the cavity is bent upwards and then is pressed with the left side surface of the cavity along the longitudinal direction to form the first pressing plate with two layers of aluminum-magnesium-zinc coating steel, the upper end part of the first pressing plate is bent towards the right side thereof to form the bending plate with two layers of aluminum-magnesium-zinc coating steel, and the bending plate, the first pressing plate and the upper side surface of the cavity are sequentially connected to form the clamping groove for the side edge of the photovoltaic module to be inserted and connected; the bottom end of the right side face of the cavity is bent rightwards and then forms a second laminated plate with two layers of aluminum-magnesium-zinc coating steel with the lower side face of the cavity along transverse pressing.
3. The novel photovoltaic module frame as claimed in claim 1, wherein the frame is a closed frame made of a piece of aluminum magnesium zinc coated steel through cold-bending and rolling, the ending point of the piece of aluminum magnesium zinc coated steel is fixedly connected to the inner side of the clamping groove, and the starting point of the piece of aluminum magnesium zinc coated steel is fixedly connected to the inside of the second laminated plate;
the part of the aluminum-magnesium-zinc coating steel is bent to form the cavity, the left side surface and the lower side surface of the cavity are both provided with a layer of aluminum-magnesium-zinc coating steel, and the upper side surface and the right side surface of the cavity are both provided with two layers of aluminum-magnesium-zinc coating steel; the left end part of the upper side surface of the cavity is bent upwards and then is pressed with the left side surface of the cavity along the longitudinal direction to form the first pressing plate, the lower end part and the upper end part of the first pressing plate are respectively provided with three layers of aluminum-magnesium-zinc coating steel and two layers of aluminum-magnesium-zinc coating steel, the upper end part of the first pressing plate is bent towards the right side of the first pressing plate to form the bending plate with two layers of aluminum-magnesium-zinc coating steel, and the bending plate, the first pressing plate and the upper side surface of the cavity are sequentially connected to form the clamping groove for the side edge of the photovoltaic module to be inserted and connected; the bottom end part of the right side face of the cavity is bent rightwards and then forms the second laminated plate with three layers of aluminum-magnesium-zinc coating steel materials with the lower side face of the cavity along transverse pressing.
4. The novel photovoltaic module frame as claimed in any one of claims 1 to 3, wherein the starting point and the ending point of the aluminum magnesium zinc coating steel are welded;
or the ending point of the Al-Mg-Zn coated steel is positioned on the inner side of the clamping groove, and the starting point of the Al-Mg-Zn coated steel is welded in the second laminated plate.
5. The novel photovoltaic module peripheral frame of claim 3, wherein the left side surface of the cavity is provided with the concave reinforcing ribs.
6. The novel photovoltaic module frame as claimed in claim 1, wherein the free end of the second laminate board is bent toward the cavity and laminated to form the reinforcement.
7. The novel photovoltaic module frame as claimed in claim 1, wherein the free end of the bending plate is pressed down along the inside of the slot to form a pressing portion, so that the opening of the slot is closed.
8. The novel photovoltaic module frame as claimed in claim 1, wherein the cavity has a fixing hole on a left side thereof, so that an external fixing member can pass through the fixing hole to detachably fix the corner connector to the cavity.
9. The novel photovoltaic module frame as claimed in claim 1 or 8, wherein the right side of the cavity is provided with an engagement opening for fixing the convex block on the surface of the corner connector.
10. The novel photovoltaic module frame as claimed in claim 1, wherein the surface of the Al-Mg-Zn coated steel is further provided with an anti-corrosion layer.
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| CN202220713622.9U CN217282844U (en) | 2022-03-30 | 2022-03-30 | Novel photovoltaic module frame |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116365986A (en) * | 2023-05-05 | 2023-06-30 | 昆山贝松精密电子有限公司 | Aluminum-magnesium-zinc steel frame for photovoltaic module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116365986A (en) * | 2023-05-05 | 2023-06-30 | 昆山贝松精密电子有限公司 | Aluminum-magnesium-zinc steel frame for photovoltaic module |
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