Pressure detection device for a silicone plate laminator

Abstract

The utility model relates to photovoltaic module laminating technical field especially, it relates to pressure detection device for silica gel board formula laminating machine, pressure detection device includes: a plurality of different size analog components, each size corresponds to one kind of specification to be packaged photovoltaic module, and analog components are spliced into by a plurality of analog blocks, wherein, analog components are used to place between silica gel board and laminating machine heating plate, and bear the pressure that silica gel board exerted after vacuumizing, the upper surface of each analog block is provided with a plurality of pressure sensors, and the lower surface is provided with data processing module, and it includes: shell, and the data acquisition unit and wireless transmission unit that set up in the shell inside setting, and data processing module is connected with all pressure sensors and wireless transmission unit respectively, wireless transmission unit is connected with external terminal equipment, adopts this detection device to pass through the stress of laminating when examining, can determine whether the silica gel board hardness used is appropriate, and whether need to replace silica gel board.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaic module lamination technology, and in particular to a pressure detection device for a silicone plate laminator. Background Technology

[0002] Encapsulation is a crucial component of photovoltaic (PV) module manufacturing, enabling the modules to withstand weathering. The mainstream equipment used for encapsulation is a laminator. Inside the laminator, a vacuum is created, and pressure is applied to the PV module using a silicone plate. Then, a heating plate beneath the PV module melts the EVA, bonding the cells, cover glass, and backsheet together. Finally, atmospheric pressure is introduced to press and secure the cover glass, cells, and backsheet firmly together.

[0003] However, during the aforementioned vacuuming and pressure application process, the hardness of the silicone sheet can change due to factors such as manufacturer, batch, and usage time. Applying the same vacuum pressure can easily lead to the failure of the photovoltaic module. Furthermore, increasing the thickness of the photovoltaic module also causes significant pressure variations throughout, especially in double-glass modules like BIPV modules, where the thickness can reach up to 20mm. Therefore, before applying pressure to the photovoltaic module, a pressure testing device is needed to detect the pressure applied to the silicone sheet to ensure the stress distribution during silicone sheet lamination is uniform. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a pressure detection device for a silicone plate laminator.

[0005] To solve the above problems, the technical solution adopted by this utility model is as follows:

[0006] A pressure detection device for a silicone sheet laminator, comprising: several simulated components of different sizes, each size corresponding to a photovoltaic module to be encapsulated, the simulated components being assembled from several simulated blocks;

[0007] The simulation component is placed between the silicone plate and the laminator heating plate and withstands the pressure applied by the silicone plate after vacuuming.

[0008] Each of the simulation blocks has several pressure sensors on its upper surface and a data processing module on its lower surface. The module includes a housing, a data acquisition unit and a wireless transmission unit disposed inside the housing, and the data processing module is connected to all the pressure sensors and the wireless transmission unit respectively. The wireless transmission unit is connected to an external terminal device.

[0009] In one embodiment of this utility model, the height of each simulation block ranges from 16 to 30 mm, the length ranges from 400 to 600 mm, and the width ranges from 300 to 500 mm.

[0010] In one embodiment of this utility model, each of the simulation blocks is provided with a slot, and the slots between any two connected simulation blocks form a dovetail groove, and a connecting block is provided in each dovetail groove.

[0011] In one embodiment of this utility model, the card slots are disposed at the bottom of the four sides of the simulation block.

[0012] As one embodiment of this utility model, it also includes a plurality of mounting blocks for mounting in the card slot.

[0013] In one embodiment of this utility model, a plurality of pressure sensors are provided on the upper surface of each of the simulation blocks, arranged from sparse to dense along the center of the simulation block to the surrounding edges.

[0014] In one embodiment of this utility model, the simulated block is made of glass or alloy.

[0015] In one embodiment of this utility model, a temperature sensor is provided at the bottom of the silicone plate, which is connected to the controller of the laminator.

[0016] In one embodiment of this utility model, the inner wall of the outer shell is provided with heat-insulating material.

[0017] The beneficial effects of adopting the above technical solution are as follows:

[0018] The pressure detection device for a silicone plate laminator provided in this embodiment of the invention can prevent the photovoltaic module from being scrapped due to stress concentration and edge bubbles caused by excessively hard silicone plates. By inspecting the stress during lamination, it can be determined whether the hardness of the silicone plate used is appropriate and whether the silicone plate needs to be replaced.

[0019] In addition, the pressure detection device also takes into account that the silicone sheet will soften when heated and that the hardness of the silicone sheet is different at different temperatures. By detecting the stress distribution of the silicone sheet on the component at different temperatures, the temperature parameter with the most uniform stress can be found, which is of positive significance for improving the quality of laminated components. Attached Figure Description

[0020] Figure 1 This is an installation diagram of the pressure detection device for a silicone plate laminator provided in this embodiment of the utility model.

[0021] Figure 2This is a schematic diagram of the structure of a simulation component provided in an embodiment of this utility model.

[0022] Figure 3 yes Figure 2 Sectional view of AA.

[0023] The components include 100 silicone sheets, 200 laminator heating plates, and 300 vacuum holes.

[0024] 1. Simulation component, 101. Simulation block, 1-1. Slot, 1-2. Dovetail groove, 1-3. Connecting block, 2. Pressure sensor, 2-1. First sensor, 2-2. Second sensor, 2-3. Third sensor, 3. Data processing module. Detailed Implementation

[0025] To make the objectives, technical solutions and advantages of this utility model clearer, the utility model will be clearly and completely described below in conjunction with specific embodiments.

[0026] This utility model embodiment provides a pressure detection device for a silicone plate laminator, such as... Figure 1 and Figure 2 As shown, the pressure detection device includes: several simulation components 1 of different sizes, each size corresponding to a photovoltaic module to be packaged. The simulation component 1 is assembled from several simulation blocks 101. This embodiment of the invention does not specifically limit the material and size of the simulation blocks 101. For example, the material can be glass or alloy. The height of each simulation block 101 ranges from 16 to 30 mm, the length ranges from 400 to 600 mm, and the width ranges from 300 to 500 mm, thereby ensuring that the simulation component 1 assembled from the simulation blocks 101 can be used for most specifications of photovoltaic modules to be packaged.

[0027] The simulation component 1 is placed between the silicone plate 100 and the laminator heating plate 200, and uses the vacuum hole 300 to withstand the pressure applied by the silicone plate 100 after vacuuming.

[0028] Each of the simulation blocks 101 has a plurality of pressure sensors 2 on its upper surface and a data processing module 3 on its lower surface. The data processing module 3 includes a housing, a data acquisition unit and a wireless transmission unit disposed inside the housing, and the data processing module 3 is connected to all the pressure sensors 2 and the wireless transmission unit respectively; the wireless transmission unit is connected to the controller of the laminator.

[0029] The pressure detection device for a silicone plate 100 type laminator provided in this embodiment is suitable for scenarios prior to the encapsulation of photovoltaic modules. When encapsulation of photovoltaic modules is required, a simulation module 1 is first determined according to the specifications of the photovoltaic module to be encapsulated, with each specification corresponding to a specific size, including the length × width × height of the photovoltaic module. Then, the simulation module 1 is placed between the silicone plate 100 and the laminator heating plate 200. A vacuum is created, and pressure is applied to the simulation module 1 using the silicone plate 100. The pressure sensor 2 acquires the force values ​​at different locations of the simulation module 1 and transmits them to an external terminal device via a data acquisition unit and a wireless transmission unit. Thus, the operator can obtain the pressure information based on the external terminal device. Of course, the user terminal can receive and process the data and generate a pressure distribution image.

[0030] The pressure detection device for the silicone plate laminator provided in this embodiment of the utility model can avoid the situation where photovoltaic modules are scrapped due to stress concentration and edge bubbles caused by excessively hard silicone plate 100. By inspecting the stress during lamination, it can be determined whether the hardness of the silicone plate 100 used is appropriate and whether the silicone plate 100 needs to be replaced.

[0031] Regarding the connection method between the simulated blocks 101, in one possible implementation, such as Figure 2 and Figure 3 As shown, each of the simulation blocks 101 is provided with a slot 1-1, and the slots 1-1 between any two connected simulation blocks 101 form a dovetail groove 1-2, and each dovetail groove 1-2 is provided with a connecting block 1-3.

[0032] This utility model does not specifically limit the number and position of the card slots 1-1. For example, such as Figure 2 and Figure 3 As shown, the slots 1-1 are located at the bottom of the four sides of the simulation block 101, so that the length and width of the simulation block 101 can be adjusted by splicing. Of course, this utility model also considers the situation that the pressure results may be affected by the slots 1-1 around the simulation component 1 after splicing into the simulation block 101. The pressure detection device also includes several mounting blocks for installation in the slots 1-1. The mounting blocks can be installed in the slots 1-1 around the simulation component 1. The materials of the connecting blocks 1-3 and the mounting blocks can be selected to be the same as those of the simulation component 1.

[0033] Additionally, considering that uneven pressure application is most likely to occur at the edges of the silicone plate 100, such as... Figure 2As shown, a plurality of pressure sensors 2 are disposed on the upper surface of each of the simulation blocks 101, and are arranged from sparse to dense along the center of the simulation block 101 to the surrounding edges; regarding the arrangement method, in one possible implementation, it includes: a first sensor, a plurality of second sensors 2-2 and a plurality of third sensors 2-3;

[0034] The first sensor position 2-1 is located at the center of the analog block 101;

[0035] Several second sensors 2-2 are arranged in a circular pattern with equal spacing along the outer periphery of the first sensor;

[0036] Several third sensors 2-3 are located on the outer periphery of the second sensor 2-2, and the centers of the several third sensors 2-3 are connected to form a square.

[0037] Furthermore, the silicone plate 100 softens when heated, and its hardness varies at different temperatures. By detecting the stress distribution of the silicone plate 100 on the component at different temperatures, the temperature parameter with the most uniform stress can be found, which is of positive significance for improving the quality of laminated components.

[0038] Therefore, in one possible implementation, a temperature sensor (not shown in the figure) is provided at the bottom of the silicone plate 100, which is connected to the controller of the laminator. The temperature sensor can be a patch thermal resistor, which can be uniformly arranged at the bottom of the silicone plate 100, or arranged from sparse to dense along the center of the bottom of the silicone plate 100 to the surrounding edges, or arranged from dense to sparse along the center of the bottom of the silicone plate 100 to the surrounding edges. This utility model does not make specific limitations in this regard.

[0039] The temperature change at the bottom of the silicone plate 100 is indirectly detected by the value of the patch thermal resistor. Based on all the pressures and temperatures, the temperature parameter at which the stress at the bottom of the silicone plate 100 is most uniform during the lamination process is determined. After replacing the simulated component 1 with the photovoltaic component to be encapsulated, the temperature at the bottom of the silicone plate 100 can be adjusted to achieve the aforementioned most uniform temperature parameter value.

[0040] Of course, in order to further avoid damage to the data acquisition unit and wireless transmission unit caused by temperature rise, heat insulation materials such as ceramic fiber paper and aerosol insulation cotton can also be provided on the inner wall of the shell, with a thickness of 1 to 20 mm. This utility model does not make specific limitations in this regard.

[0041] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A pressure detecting device for a silicone sheet laminator, characterized by comprising: The pressure detection device includes: several simulation components (1) of different sizes, each size corresponding to a photovoltaic module to be packaged, and the simulation component (1) is assembled from several simulation blocks (101); The simulation component (1) is used to be placed between the silicone plate (100) and the laminator heating plate (200) and to withstand the pressure applied by the silicone plate (100) after vacuuming. Each of the simulation blocks (101) has a plurality of pressure sensors (2) on its upper surface and a data processing module (3) on its lower surface. The data processing module (3) includes a housing, a data acquisition unit and a wireless transmission unit disposed inside the housing, and the data processing module (3) is connected to all the pressure sensors (2) and the wireless transmission unit respectively; the wireless transmission unit is connected to an external terminal device.

2. The pressure detecting device for a silica gel plate laminating machine according to claim 1, characterized by Each of the simulation blocks (101) has a height range of 16~30mm, a length range of 400~600mm, and a width range of 300~500mm.

3. The pressure detecting device for a silicon gel plate laminator according to claim 1, characterized by Each of the simulation blocks (101) is provided with a slot (1-1), and the slots (1-1) between any two connected simulation blocks (101) form a dovetail groove (1-2), and each dovetail groove (1-2) is provided with a connecting block (1-3).

4. The pressure detecting device for a silica gel plate laminating machine according to claim 3, characterized by The card slots (1-1) are located at the bottom of the four sides of the simulation block (101).

5. The pressure detecting device for a silicon gel plate laminating machine according to claim 3, wherein It also includes several mounting blocks for installation in the slot (1-1).

6. The pressure detection device for a silicone sheet laminator according to claim 1, characterized in that, A plurality of pressure sensors (2) are disposed on the upper surface of each of the simulation blocks (101), and are arranged from sparse to dense along the center of the simulation block (101) to the surrounding edges.

7. The pressure detection device for a silicone sheet laminator according to claim 1, characterized in that, The simulation block (101) is made of glass or alloy.

8. The pressure detection device for a silicone sheet laminator according to claim 1, characterized in that, A temperature sensor is provided at the bottom of the silicone plate (100), which is connected to the controller of the laminator.

9. The pressure detection device for a silicone sheet laminator according to claim 8, characterized in that, The inner wall of the outer shell is provided with heat insulation material.

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