Disclosure of Invention
In view of the above, it is necessary to provide a fixing device and a photovoltaic module production apparatus capable of reducing the possibility of offset of the adhesive film with respect to the glass.
The fixing device comprises a mounting frame, a heating element and an elastic element, wherein the heating element is movably arranged on the mounting frame, and the heating element is positioned above the laying device; the elastic piece is arranged on the mounting frame and is used for applying elastic force to the heating piece along the direction facing the paving device.
In one embodiment, the mounting frame is provided with a mounting hole, two opposite ends of the heating element are respectively provided with a mounting end and a heating end, the mounting end is arranged in the mounting hole in a penetrating manner, the heating end extends out of the mounting hole, and the elastic element is arranged in the mounting hole and is used for applying elastic force towards the heating end to the mounting end.
In one embodiment, the heating element is a heating rod, and two opposite ends of the heating rod are the mounting end and the heating end respectively.
In one embodiment, the heating element is removably mounted within the mounting aperture.
In one embodiment, the number of the heating elements is at least two, each heating element is arranged on the mounting frame at intervals, and each heating element is elastically connected with the mounting frame through at least one elastic element.
In one embodiment, the fixing device further comprises a lifting member, wherein the lifting member is connected to the mounting frame, and the lifting member is used for driving the mounting frame to drive the heating member to perform lifting movement.
In one embodiment, the lifting member is disposed on a top wall of the mounting frame, and the heating member is elastically retractable with respect to the mounting frame toward a bottom wall side of the mounting frame.
In one embodiment, the number of the lifting members is at least two, and at least two lifting members are arranged on the mounting frame at intervals.
In one embodiment, the fixing device further includes a controller, the controller is electrically connected to the heating element, the controller is configured to control the heating element to start heating or stop heating, the controller is electrically connected to the lifting element, and the controller is further configured to control the lifting element to start or stop.
The photovoltaic module production equipment comprises a conveying device, a laying device and the fixing device, wherein the conveying device is used for conveying glass to a laying station; the laying device is arranged at a laying station and is used for laying an adhesive film on the glass positioned at the laying station; the heating piece can be elastically abutted on the adhesive film and is used for heating the adhesive film.
Above-mentioned fixing device and photovoltaic module production facility, when using, carry glass to the laying station through conveyor, utilize laying device on the laying station to lay the glued membrane on glass. Then make the heating member contradict on the glued membrane from the top of glued membrane through the mounting bracket, the glued membrane is heated to the heating member for the glued membrane hot melt back cooling is in order to be connected with glass, and then makes the glued membrane fix at glass, effectively avoids glass at the in-process of removal, and the glued membrane is skew for glass, improves photovoltaic module production and processing's quality. Simultaneously, above-mentioned fixing device utilizes the elastic component to apply to the heating element along the elasticity towards laying device direction, and then makes the heating element elasticity conflict on the glued membrane, avoids stabbing glass because the conflict dynamics is too big, further guarantees the reliability of hot melt process.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.
The photovoltaic module production equipment is used for processing and producing the photovoltaic modules. Specifically, photovoltaic module production facility includes conveyor and laying device, and conveyor is used for carrying glass to laying the station, and laying device sets up at the station of laying, and laying device is used for laying the glued membrane on the glass that is located the station of laying. Because the photovoltaic module comprises a battery piece, glass and an adhesive film, the adhesive film is required to be paved on the glass in the assembly process.
Referring to fig. 1, in an embodiment, the photovoltaic module production apparatus further includes a fixing device 10, where the fixing device 10 is used to fix the adhesive film on the glass. Specifically, the fixing device 10 includes a mounting frame 100, a heating element 200 and an elastic element 300, wherein the heating element 200 is movably disposed on the mounting frame 100, and the heating element 200 is located above the paving device; the elastic member 300 is provided on the mounting frame 100, and the elastic member 300 serves to apply elastic force to the heating member 200 in a direction toward the paving apparatus. The heating element 200 can be elastically abutted against the adhesive film and is used for heating the adhesive film.
When the glass paving machine is used, glass is conveyed to a paving station through the conveying device, and an adhesive film is paved on the glass by utilizing the paving device on the paving station. Then make heating member 200 contradict on the glued membrane from the top of glued membrane through mounting bracket 100, heating member 200 heats the glued membrane for the glued membrane hot melt back cooling is in order to be connected with glass, and then makes the glued membrane fix at glass, effectively avoids glass at the in-process of removal, and the glued membrane is skew for glass, improves photovoltaic module production and processing's quality. Meanwhile, the fixing device 10 applies the elastic force along the direction facing the paving device to the heating element 200 by using the elastic element 300, so that the heating element 200 elastically abuts against the adhesive film, the glass is prevented from being punctured due to overlarge abutting force, and the reliability of the hot melting process is further ensured.
In an embodiment, the mounting frame 100 is provided with a mounting hole, two opposite ends of the heating element 200 are a mounting end 210 and a heating end 220, the mounting end 210 is disposed in the mounting hole in a penetrating manner, the heating end 220 extends out of the mounting hole, and the elastic element 300 is disposed in the mounting hole and is used for applying an elastic force towards the heating end 220 to the mounting end 210. The installation of the heating member 200 is facilitated by providing the mounting frame 100 with the mounting holes, and the elastic member 300 is facilitated to apply the elastic force to the heating member 200.
In other embodiments, the elastic member 300 may be further disposed outside the mounting hole, one end of the elastic member 300 is connected to the mounting frame 100, the other end is connected to the heating member 200, and the elastic member 300 is used to apply a vertical downward elastic force to the heating member 200.
In one embodiment, the heating element 200 is a heating rod, and two opposite ends of the heating rod are respectively a mounting end 210 and the heating end 220. Through setting up heating piece 200 into the heating rod, can be convenient for form the some heating on the glued membrane, avoid too big to the heating area of glued membrane, and influence the stability of glued membrane self structure.
Specifically, the end surface of the heating end 220 may be circular, square, oval, or the like.
In one embodiment, the end face of the heating end 220 is provided with a tetrafluorocloth. The polytetrafluoroethylene cloth has stable size, high strength and good insulativity, and can improve the stability of the heating end 220 for heating and hot melting the adhesive film. In other embodiments, the tetrafluorocloth may also be omitted. Or other materials with stable structure and high temperature resistance can be arranged on the end face of the heating end 220.
In an embodiment, the heating temperature of the heating element 200 is between normal temperature and 150 ℃, so that the heating temperature is not too high, the structural stability of the glass is not affected, and the film is not burnt due to the too high heating temperature.
In this embodiment, the adhesive film is made of EVA, POE or EPE.
In one embodiment, the fixing device 10 further includes a controller 400, where the controller 400 is electrically connected to the heating element 200, and the controller 400 is used to control the heating element 200 to start heating or stop heating. The operation of the heating member 200 is controlled by the controller 400. Specifically, the controller 400 can also control the heating temperature and/or heating time of the heating member 200, thereby facilitating control of the degree of thermal melting of the adhesive film.
In this embodiment, the elastic member 300 is a spring, and the spring is sleeved on the heating rod. The position of the spring can be determined by the rod-like structure of the heating rod. In an embodiment, the elastic member 300 may be an elastic tie, a spring, or other elastic member.
In one embodiment, the number of the heating elements 200 is at least two, each heating element 200 is disposed on the mounting frame 100 at intervals, and each heating element 200 is elastically connected to the mounting frame 100 through at least one elastic element 300. Through setting up a plurality of heating pieces 200, can realize heating in a plurality of positions of glued membrane, and then form the multiple spot hot melt connection with glass, improve the reliability that the glued membrane was fixed on glass.
In this embodiment, since the heating element 200 is a heating rod, a plurality of point heating elements arranged at intervals can be formed on the adhesive film, and the fixing reliability is ensured under the condition of smaller hot melting area. For example, the heating members 200 may be provided at the four corners of the alignment film, respectively, or the heating members 200 may be provided at positions corresponding to the diagonal lines of the film.
In one embodiment, the heating element 200 is removably mounted within the mounting hole. By detaching the heating member 200, maintenance or replacement of the heating member 200 can be facilitated.
Specifically, the heating element 200 is a heating rod, and a limiting protrusion is formed on the outer wall of the heating rod, and the limiting protrusion can be limited in the mounting hole and can move in the mounting hole along the direction facing the paving device. The limit projection can be disengaged from the mounting hole from one side of the mounting bracket 100. When the limit protrusion is separated from the mounting hole, the heating rod can be withdrawn from the mounting hole. The elastic piece 300 is abutted against the limiting protrusion.
Further, an end cover is disposed on the top wall of the mounting frame 100, and the end cover is detachably covered at the mounting hole, so that the limiting protrusion is limited in the mounting hole. When the end cap is removed, the heater rod can be removed. In other embodiments, the end cap may also be provided on the bottom wall of the mounting bracket 100.
Alternatively, in other embodiments, the heating element 200 may be detachably inserted into the mounting hole by a fastening connection or the like.
In one embodiment, the mounting frame 100 may be formed by rods, and the mounting holes are formed in the rods forming the mounting frame 100. Specifically, the material of the mounting frame 100 may be nylon, aluminum alloy or stainless steel.
In an embodiment, the fixing device 10 further includes a lifting member 500, where the lifting member 500 is connected to the mounting frame 100, and the lifting member 500 is used for driving the mounting frame 100 to drive the heating member 200 to perform lifting motion. The lifting can be convenient for control the mounting frame 100 to drive the heating element 200 to move towards the direction close to or far away from the adhesive film, so that the heating element 200 can be convenient for abutting against or far away from the adhesive film.
In one embodiment, the lifting member 500 is disposed on the top wall of the mounting frame 100, and the heating member 200 can elastically stretch and retract towards the bottom wall of the mounting frame 100 relative to the mounting frame 100. The lifting piece 500 is arranged on the top wall of the mounting frame 100, when the lifting piece 500 controls the mounting frame 100 to drive the heating piece 200 to move towards the direction of the adhesive film and contact the adhesive film, the lifting piece 500 cannot contact the adhesive film, and the reliability of the heating piece 200 in the heating process is ensured.
In one embodiment, the number of the lifting members 500 is at least two, and at least two lifting members 500 are disposed on the mounting frame 100 at intervals. By providing at least two lifters 500 while driving the elevating movement of the mounting frame 100, it is possible to facilitate improvement of the reliability of the elevating movement of the mounting frame 100.
In this embodiment, the lifter 500 is a cylinder. In other embodiments, the lifting member 500 may be a motor-driven transmission structure, so long as the lifting movement of the mounting frame 100 can be achieved.
In one embodiment, the controller 400 is electrically connected to the lifter 500, and the controller 400 is further used for controlling the start or stop of the lifter 500. The controller 400 controls the operation of the lifting member 500, so that the heating member 200 can be conveniently controlled to abut against the adhesive film or be far away from the adhesive film.
In this embodiment, the controller 400 has a control panel and a gas valve, and the gas valve is connected to the lifter 500. The control panel controls the opening and closing of the air valve to control the lifter 500. The control panel can also further control whether power is supplied to the heating member 200.
In this embodiment, after the adhesive film is laid on the glass, the controller 400 obtains that the laying device sends out the signal that the laying device has been laid, and the controller 400 controls the lifting member 500 to drive the mounting frame 100 to drive the heating member 200 to move towards the adhesive film until the heating member 200 abuts against the adhesive film. The controller 400 controls the heating element 200 to heat the adhesive film, and after the adhesive film is heated for a certain time, the controller 400 controls the lifting element 500 to drive the mounting frame 100 to drive the heating element 200 to be far away from the adhesive film, and controls the heating element 200 to stop heating. And the part of the adhesive film which is heated and melted can be cooled and fixed on the glass.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.