Glue head, gluing machine and photovoltaic module

Abstract

The utility model provides a glue head, a gluing machine and a photovoltaic module, the glue head is suitable for installing a battery piece and a frame of the photovoltaic module, the glue head comprises an inner pipe, the inner pipe extends along a first direction, the outer wall of the inner pipe is provided with a slide buckle part in a preset section, and the slide buckle part comprises a plurality of continuously arranged clamping units; the glue outlet pipe extends in the first direction and is arranged outside the inner pipe in a sleeving mode, the inner wall of the glue outlet pipe is provided with a limiting part suitable for being connected with the sliding buckle part in a clamped mode, and in the process that the glue outlet pipe moves in the first direction, the limiting part is suitable for being connected with any clamping unit of the sliding buckle part in a clamped mode so that the glue outlet pipe can stop moving relative to the inner pipe; and in the process that the glue outlet pipe moves in the first direction, the lower end face of the glue outlet pipe always exceeds the lower end face of the inner pipe in the positive direction of the first direction. According to the invention, the glue outlet position can be flexibly adjusted, the fixation of the battery piece and the frame is better realized, and the framing yield of the photovoltaic module is further improved.

Description

Technical Field

[0001] The present application mainly relates to the field of battery technology, and in particular to a glue head, a glue machine and a photovoltaic module. Background Art

[0002] The cells in photovoltaic modules usually need to be equipped with photovoltaic aluminum frames for support and easy installation. The aluminum frames can be filled and sealed with sealant to provide good weather resistance, waterproofness, insulation and impact resistance, as well as support for photovoltaic modules, and protect the cells from moisture, external forces, etc.

[0003] In the existing gluing method, the glue nozzle is installed on the glue dispenser. When the glue dispenser is working, the silicone glue flows from the glue nozzle into the glue groove of the frame. The glue is squeezed out of the glue nozzle to the appropriate position to complete the filling and sealing function. According to industry requirements, after the module is framed, the glue on one side of the aluminum frame needs to fill the glue groove but is not allowed to overflow the frame surface. On the other side of the aluminum frame, the glue needs to overflow the frame surface to fill the gap between one end of the battery cell and the frame. The seal must meet the above overflow glue requirements to meet the standard. Since the glue discharge position of the current conventional glue nozzle is fixed, it is easy to overflow glue or lack of glue at the four corners, or even to have no glue in the glue groove. This is not conducive to uniform glue line, which seriously affects the sealing between the battery cell and the frame. Utility Model Content

[0004] The technical problem to be solved by the present application is to provide a glue head, a glue dispenser and a photovoltaic module, which can flexibly adjust the glue outlet position, better achieve the fixation of the battery cell and the frame, and further improve the assembly yield rate of the photovoltaic module.

[0005] To solve the above technical problems, the present application provides a glue head suitable for installing the battery cells and frames of a photovoltaic module, the glue head comprising: an inner tube extending along a first direction, the outer wall of the inner tube being provided with a sliding buckle portion in a preset section, the sliding buckle portion comprising a plurality of continuously arranged snap-in units; a glue discharge pipe extending along the first direction and sleeved on the outside of the inner tube, the inner wall of the glue discharge pipe being provided with a limiting portion suitable for snapping with the sliding buckle portion, the limiting portion comprising one or more continuously arranged snap-in units, wherein, during the movement of the glue discharge pipe along the first direction, one or more of the snap-in units are suitable for snapping with at least part of the snap-in units of the sliding buckle portion to stop the relative movement between the glue discharge pipe and the inner tube; and during the movement of the glue discharge pipe along the first direction, the lower end face of the glue discharge pipe always exceeds the lower end face of the inner tube in the positive direction of the first direction.

[0006] Optionally, the cross-section of the lower end surface of the glue outlet pipe along the first direction includes an inclined port cross-section.

[0007] Optionally, at least part of the snap-fitting units in the sliding buckle portion is a sawtooth structure.

[0008] Optionally, the movable distance of the rubber outlet hose along the first direction ranges from 5 mm to 10 mm.

[0009] Optionally, the preset section ranges from 18 mm to 20 mm.

[0010] To solve the above technical problems, the present application provides a glue applicator, comprising a mounting seat and the glue head as described above, wherein the mounting portion comprises a mounting seat and a mounting hole, and the glue head is suitable for passing through the mounting hole and being installed on the glue applicator.

[0011] Optionally, the glue applying machine further comprises a boss located on one end face of the mounting seat, the mounting seat is fixedly connected to the boss, and the boss is suitable for fastening the mounting seat and the glue applying machine.

[0012] Optionally, the glue spraying machine further includes a transition tube, one end face of the transition tube is connected to the mounting hole, the other end of the transition tube is connected to the inner tube, and the inner tube is connected to the mounting hole through the transition tube.

[0013] In order to solve the above technical problems, the present application provides a photovoltaic assembly, including a cell and a frame, wherein the frame is suitable for cooperating with the above-mentioned glue machine to complete the installation between the frame and the cell.

[0014] Optionally, the frame includes a groove, and the groove is suitable for cooperating with the lower end surface of the glue outlet pipe to accommodate the glue flowing out from the lower end surface of the glue outlet pipe.

[0015] Compared with the prior art, the present application divides the glue head into two parts, an inner tube and a glue outlet pipe. The inner tube is provided with a sliding buckle part, and the glue outlet pipe is provided with a limiting part suitable for clamping with the sliding buckle part. The glue outlet pipe is sleeved on the outside of the inner tube, so that the glue outlet pipe can be clamped with any clamping unit on the limiting part and the sliding buckle part to achieve relative movement with the inner tube, so that the glue outlet position of the glue machine can be flexibly adjusted according to actual needs, better realize the fixation of the battery cell and the frame, and further improve the assembly yield of the photovoltaic module. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are included to provide a further understanding of the present application. They are incorporated into and constitute a part of this application. The accompanying drawings illustrate embodiments of the present application and, together with this specification, serve to explain the principles of the present application. In the accompanying drawings:

[0017] Figure 1 This is a schematic front view of a partial structure of a glue spraying machine in one embodiment of the present application;

[0018] Figure 2It is a schematic side view of a partial structure of a glue spraying machine in one embodiment of the present application;

[0019] Figure 3 This is a schematic top view of a partial structure of a glue spraying machine in one embodiment of the present application;

[0020] Figure 4 This is a structural diagram of the cooperation between a glue applicator and a frame in a photovoltaic module in one embodiment of the present application. DETAILED DESCRIPTION

[0021] To more clearly illustrate the technical solutions of the embodiments of this application, the following is a brief introduction to the drawings required for describing the embodiments. Obviously, the drawings described below are merely examples or embodiments of this application. Those skilled in the art can apply this application to other similar scenarios based on these drawings without inventive effort. Unless otherwise apparent from the context or otherwise noted, the same reference numerals in the figures represent the same structure or operation.

[0022] As used in this application and the claims, unless the context clearly indicates otherwise, the words "a," "an," "an," and / or "the" are not intended to refer to the singular but may include the plural. Generally speaking, the terms "comprises" and "include" only indicate the inclusion of the steps and elements specifically identified, and these steps and elements do not constitute an exclusive list. A method or apparatus may also include other steps or elements.

[0023] Unless otherwise specifically stated, the relative arrangement of the parts and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present application. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the drawings are not drawn according to actual proportional relationships. The techniques, methods and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the techniques, methods and equipment should be considered as part of the authorization specification. In all examples shown and discussed here, any specific values ​​should be interpreted as being merely exemplary and not as limitations. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following figures, and therefore, once an item is defined in one figure, it does not need to be further discussed in subsequent figures.

[0024] In the description of this application, it should be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of this application; the directional words "inside and outside" refer to the inside and outside relative to the outline of each component itself.

[0025] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used herein to describe the spatial positional relationship of a device or feature to other devices or features as shown in the figures. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figures. For example, if the device in the drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0026] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is solely for the purpose of distinguishing the corresponding components. Unless otherwise stated, these terms have no special meaning and therefore should not be construed as limiting the scope of protection of this application. Furthermore, while the terms used in this application are selected from commonly known and commonly used terms, some terms mentioned in this specification may have been selected by the applicant at his or her discretion, and their detailed meanings are explained in the relevant sections of this description. Furthermore, this application should be understood not only by the actual terms used, but also by the meaning implied by each term.

[0027] This application refers to Figures 1 to 3 A glue dispenser 10 is proposed, wherein the glue dispenser 10 includes a mounting portion 11 and a glue head 12 proposed in this application, wherein the mounting portion 11 includes a mounting seat 111 and a mounting hole 112, and the glue head 12 is suitable for passing through the mounting hole 112 and being installed on the glue dispenser 10, and the glue in the glue dispenser 10 can flow out through the glue head 12. Exemplarily, the glue in the glue dispenser 10 can be silicone. Specifically, Figure 1 A partial structural front view of the glue machine 10 is shown. Figure 2A partial structural side view of the glue machine 10 is shown. Figure 3 A top view of a partial structure of the glue spraying machine 10 is shown.

[0028] Furthermore, the glue head 12 includes an inner tube 21 and a glue outlet tube 22, wherein the inner tube 21 extends along a first direction x, and the outer wall of the inner tube 21 is provided with a sliding buckle portion 23 in a preset section A1, and the sliding buckle portion 23 includes a plurality of continuously arranged snap-in units 24; the glue outlet tube 22 extends along the first direction x and is sleeved on the outside of the inner tube 21, and the inner wall of the glue outlet tube 22 is provided with a limiting portion 25 suitable for snapping with the sliding buckle portion 23, and the limiting portion 25 includes a plurality of continuously arranged snap-in units 28, wherein, during the movement of the glue outlet tube 22 along the first direction x, the plurality of snap-in units 28 are suitable for snapping with some of the snap-in units 24 of the sliding buckle portion 23 to stop the relative movement between the glue outlet tube 22 and the inner tube 21, and during the movement of the glue outlet tube 22 along the first direction x, the lower end surface S1 of the glue outlet tube 22 always exceeds the lower end surface S2 of the inner tube 22 in the positive direction x1 in the first direction x. Exemplarily, the snap-in units 24 in the sliding buckle portion 23 can be as follows Figure 2 In the zigzag structure shown, the glue outlet tube 22 can be an elliptical tube. For example, the clamping unit 28 on the limiting portion 25 can also be set to one, and this application does not limit this.

[0029] In this embodiment, the glue outlet pipe 22 is sleeved on the inner pipe 21, making the structure of the glue head simple, the connection reliable and easy to assemble and disassemble. The setting of the limit part 25 and the sliding buckle part 23 can ensure that the connection between the glue outlet pipe 22 and the inner pipe 21 is stable during the glue dispensing process of the glue machine 10, and avoid the glue outlet pipe 22 and the inner pipe 21 from falling off. For example, the wall thickness of the inner pipe 21 ranges from 1mm to 1.5mm, and the inner diameter ranges from 12mm to 25mm. Since the glue outlet pipe 22 is sleeved on the inner pipe 21, in order to better illustrate the structure of the glue head 12, Figure 1 The dotted line portion shows the structure of the inner tube 21 partially blocked by the rubber outlet tube 22. Figures 2 and 3 The obscured structure is not drawn. Figure 2 and Figure 3 The relationship between the various parts of the structure can be referred to Figure 1 .

[0030] In this embodiment, the silicone in the glue machine 10 flows through the inner tube 21 and finally flows out through the glue outlet pipe 22. By setting the limiting portion 25 and the sliding buckle portion 23, when the lower end surface S1 of the glue outlet pipe 22 always exceeds the lower end surface S2 of the inner tube 22, the glue outlet pipe 22 can move up and down in the first direction x with the inner tube 21, so that the glue outlet position of the glue machine 10 can be flexibly adjusted according to actual operation requirements, thereby greatly improving the flexibility of the glue machine 10.

[0031] Preferably, in this embodiment, the movable distance range of the glue discharge tube 22 along the first direction x is 5mm to 10mm, and the length range of the movable distance is 18mm to 20mm, so that the length range of the glue discharge tube 22 moving up and down in the first direction x is fully adjustable, thereby being able to fully adapt to the glue discharge height required in different application scenarios.

[0032] Further, in Figure 1 Based on the perspective of the front view diagram, refer to Figure 2 It can be seen from the side view schematic diagram shown that in this embodiment, the cross-section of the lower end surface S1 of the glue outlet pipe 22 along the first direction x includes an inclined port cross-section. The setting of the inclined port can make the glue outlet more uniform, which is conducive to the uniformity of the glue line. Without wasting glue, it can ensure that the depth of the glue is flat and smooth.

[0033] A more detailed reference Figure 3 The glue dispenser 10 further includes a boss 26 located on one end surface of the mounting base 111. The mounting base 111 is fixedly connected to the boss 26. The boss 26 is suitable for fastening the mounting base 111 and the glue dispenser 10. Preferably, the mounting base 111 is an inverted trapezoidal structure, which facilitates the installation of the glue dispenser 10 and the glue head 11. The boss 26 can further fasten the glue head 11 and the glue dispenser 10 during the installation process, thereby improving the stability of the assembly.

[0034] This embodiment is preferred, and can be referred to Figure 4 The glue machine 10 further includes a transition tube 27, one end surface of the transition tube 27 is connected to the mounting hole 112, and the other end surface of the transition tube 27 is connected to the inner tube 21, and the inner tube 21 is connected to the mounting hole 112 through the transition tube 27. Figure 4 As shown, the upper portion of the transition tube 27 is a cylindrical structure, and the lower portion of the transition tube 27 is a constricted structure. The upper portion of the transition tube 27 is connected to the bottom of the mounting hole 112, and the transition tube 27 is interlocked with the inner tube 21. The provision of the transition tube 27 enables a better connection between the rubber head 12 and the mounting hole 112.

[0035] On the other hand, this application also refers to Figure 4 A photovoltaic module is proposed, comprising a cell (not shown) and Figure 4 The frame 13 shown is suitable for cooperating with the glue machine provided in any embodiment of the present application, such as the glue machine 10 mentioned above, so as to complete the installation between the frame 13 and the battery cell.

[0036] like Figure 4As described above, taking the glue dispenser 10 as an example, the frame 13 includes an upper edge opening 131 and a lower edge opening 132, and a groove 133 is formed between the upper edge opening 131 and the lower edge opening 132. The groove 133 is suitable for cooperating with the lower end surface S1 of the glue outlet tube 22 to accommodate the glue flowing out from the lower end surface S1 of the glue outlet tube 22. In actual application scenarios, the glue flowing out from the lower end face S1 of the glue outlet tube 22 cannot overflow the upper edge opening 131, but needs to overflow the lower edge opening 132. Therefore, when the glue outlet tube 22 is close to the upper edge opening 131, the glue outlet tube 22 can be slid to a position closer to the bottom of the groove 133 to ensure that the height of the glue outlet is relatively low. When the glue outlet tube 22 is close to the lower edge opening 132, the glue outlet tube 22 can be slid to raise the glue outlet position, thereby achieving the effect of flexibly adjusting the glue outlet position, and better realizing the fixation of the battery cell and the frame. According to the test results, the yield rate of the assembly between the frame and the battery cell can be increased to 98.5% using the glue dispenser provided in this application, which is a significant improvement compared to the current yield rate in this field.

[0037] The present application divides the glue head into two parts, an inner tube and a glue outlet pipe. The inner tube is provided with a sliding buckle part, and the glue outlet pipe is provided with a limiting part suitable for clamping with the sliding buckle part. The glue outlet pipe is sleeved on the outside of the inner tube, so that the glue outlet pipe can be clamped with any clamping unit on the limiting part and the sliding buckle part to achieve relative movement with the inner tube, so that the glue outlet position of the glue machine can be flexibly adjusted according to actual needs, better realize the fixation of the battery cell and the frame, and further improve the assembly yield of the photovoltaic module.

[0038] The basic concepts have been described above. It will be apparent to those skilled in the art that the above disclosures are merely examples and do not limit the present application. Although not explicitly stated herein, those skilled in the art may make various modifications, improvements, and revisions to the present application. Such modifications, improvements, and revisions are suggested in the present application and remain within the spirit and scope of the exemplary embodiments of the present application.

[0039] At the same time, this application uses specific terms to describe the embodiments of this application. For example, "one embodiment," "an embodiment," and / or "some embodiments" refer to a certain feature, structure, or characteristic related to at least one embodiment of this application. Therefore, it should be emphasized and noted that "one embodiment," "an embodiment," or "an alternative embodiment" mentioned twice or multiple times in different locations in this specification does not necessarily refer to the same embodiment. In addition, certain features, structures, or characteristics in one or more embodiments of this application may be appropriately combined.

[0040] Similarly, it should be noted that, in order to simplify the description of this application and thus facilitate understanding of one or more embodiments of the application, the foregoing description of the embodiments of this application sometimes combines multiple features into a single embodiment, figure, or description thereof. However, this disclosure method does not mean that the subject matter of this application requires more features than those recited in the claims. In fact, the features of an embodiment may be fewer than all the features of the individual embodiments disclosed above.

[0041] In some embodiments, numbers are used to describe the quantity of components and attributes. It should be understood that such numbers used in the description of the embodiments are modified by the modifiers "about", "approximately" or "substantially" in some examples. Unless otherwise stated, "about", "approximately" or "substantially" indicate that the numbers are allowed to vary by ±20%. Accordingly, in some embodiments, the numerical parameters used in the description and claims are approximate values, which may change according to the required features of individual embodiments. In some embodiments, the numerical parameters should take into account the specified significant digits and adopt the general method of retaining digits. Although the numerical domains and parameters used to confirm the breadth of their range in some embodiments of the present application are approximate values, in specific embodiments, the settings of such numerical values ​​are as accurate as possible within the feasible range.

[0042] Although the present application has been described with reference to the current specific embodiments, ordinary technicians in this technical field should recognize that the above embodiments are only used to illustrate the present application, and various equivalent changes or substitutions can be made without departing from the spirit of the present application. Therefore, as long as the changes and modifications to the above embodiments are within the scope of the essential spirit of the present application, they will fall within the scope of the claims of the present application.

Claims

1. A glue head suitable for installing cells and frames of photovoltaic modules, characterized in that: The rubber head comprises: An inner tube extends along a first direction, wherein an outer wall of the inner tube is provided with a sliding buckle portion in a preset section, wherein the sliding buckle portion includes a plurality of continuously arranged snap-fit ​​units; The rubber outlet pipe extends along the first direction and is sleeved on the outside of the inner pipe. The inner wall of the rubber outlet pipe is provided with a limiting portion suitable for engaging with the sliding buckle portion. The limiting portion includes one or more continuously arranged buckle units, wherein: During the movement of the discharge hose along the first direction, one or more of the buckle units are adapted to engage with at least some of the engaging units of the slider portion to stop the relative movement between the discharge hose and the inner tube; and During the movement of the rubber outlet pipe along the first direction, the lower end surface of the rubber outlet pipe always exceeds the lower end surface of the inner pipe in the positive direction of the first direction.

2. The rubber head according to claim 1, wherein: A cross-section of the lower end surface of the rubber outlet pipe along the first direction includes an inclined port cross-section.

3. The rubber head according to claim 1, wherein: At least part of the engaging units in the sliding buckle portion is a sawtooth structure.

4. The rubber head according to claim 1, wherein: The movable distance of the rubber outlet pipe along the first direction ranges from 5 mm to 10 mm.

5. The rubber head according to claim 1, wherein: The range of the preset section is 18 mm to 20 mm.

6. A glue spraying machine, characterized in that: It comprises a mounting portion and a glue head according to any one of claims 1 to 5, wherein the mounting portion comprises a mounting seat and a mounting hole, and the glue head is suitable for passing through the mounting hole and being mounted on the glue machine.

7. The glue spraying machine according to claim 6, characterized in that: It also includes a boss located on one end surface of the mounting seat, the mounting seat is fixedly connected to the boss, and the boss is suitable for fastening the mounting seat and the glue machine.

8. The glue spraying machine according to claim 7, characterized in that: It also includes a transition tube, one end surface of the transition tube is connected to the mounting hole, the other end surface of the transition tube is connected to the inner tube, and the inner tube is connected to the mounting hole through the transition tube.

9. A photovoltaic module comprising a cell and a frame, characterized in that: The frame is suitable for cooperating with the glue machine described in claim 7 or 8 to complete the installation between the frame and the battery cell.

10. The photovoltaic module according to claim 9, wherein: The frame includes a groove, and the groove is suitable for cooperating with the lower end surface of the glue outlet pipe of the glue dispenser to accommodate the glue flowing out from the lower end surface of the glue outlet pipe.

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