Quartz boat for crystalline silicon solar cell production

Abstract

The utility model provides a quartz boat for crystalline silicon solar cell production, which comprises a lower end plate and a vertical rod, the lower end plate is connected with an upper end plate through a support rod, the edges of the lower end plate and the upper end plate are symmetrically provided with mounting grooves, the side surface of the upper end plate is provided with a fastening groove, the vertical rod is movably connected in the mounting grooves, and the vertical rod is fixedly connected with the lower end plate. Meanwhile, the upper end of the vertical rod is fixedly connected with a fixing block, the lower end of the bent part of the fixing block is fixedly connected with a storage plate, the storage plate is correspondingly provided with a storage groove opposite to the fastening groove, the side face of the vertical rod is fixedly connected with a fixing plate, the surface of the fixing plate is symmetrically connected with transverse plates, and the upper surfaces of the transverse plates are symmetrically connected with positioning blocks; through holes are symmetrically formed in the surface of the positioning block. According to the utility model, through the cooperation of the vertical rod, the fixing plate, the transverse plate and the positioning block, the quartz boat can be correspondingly adjusted according to different sizes of silicon wafers, so that the quartz boat can be suitable for the production of crystalline silicon solar cells with various sizes.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaics, in particular to a quartz boat used for producing crystalline silicon solar cells. Background Art

[0002] In order to improve the output power of photovoltaic modules, the whole crystalline silicon solar cell is generally cut into half a piece, 1 / 3 piece or other proportions of long strip solar cells, and then the strips are welded and packaged into photovoltaic modules. The cut edges of the long strip solar cells produced by this method have defects, which limits the further improvement of the output power of the photovoltaic modules. In order to avoid the defect compounding of the cut edges, the whole silicon wafer can be pre-cut into half a piece, 1 / 3 piece or other proportions of long strip silicon wafers, and then directly produced into long strip solar cells according to the existing manufacturing process of crystalline silicon solar cells. However, the quartz boats used in existing diffusion equipment or vapor deposition coating equipment are designed based on the whole silicon wafer, such as Figure 1 , the quartz boat cannot be adjusted according to the size of the silicon wafer and cannot be applied to the production of crystalline silicon solar cells of various sizes.

[0003] After searching, the prior art disclosed (Announcement No.: CN217691101U) a quartz boat for the production of crystalline silicon solar cells, which records that "the upper end plate and the lower end plate are arranged correspondingly up and down, the upper end plate is provided with a first mounting groove and a second mounting groove, the lower end plate is provided with a third mounting groove and a fourth mounting groove, the support rod and the partition rod are arranged between the upper end plate and the lower end plate, and the support rod and the partition rod pass through the first mounting groove, the second mounting groove, the third mounting groove and the fourth mounting groove and are fixed between the upper end plate and the lower end plate."; The quartz boat has mounting grooves on the upper end plate and the lower end plate, and the support rod and the partition rod are adjusted. The spacing between the rods ensures that it is suitable for placing silicon wafers of different sizes. By adding support rods or dividing rods to the corresponding installation slots, the number of columns of silicon wafers can be adjusted. 2-5 columns of silicon wafers can be placed according to needs, and the stability of the silicon wafers can be ensured at the same time. However, in actual use, the quartz boat can only place silicon wafers of a specific length and different widths, which limits the scope of application of the quartz boat. Moreover, the structure and installation position of the support rods and dividing rods in the quartz boat are different, so that workers need to specially distinguish whether the installation positions of the support rods and dividing rods are correct during the actual installation process, thereby reducing the installation efficiency of the quartz boat. Utility Model Content

[0004] In order to overcome the defects of the prior art, a quartz boat for the production of crystalline silicon solar cells is provided to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, a quartz boat for the production of crystalline silicon solar cells is provided, comprising: a lower end plate and a vertical pole, the lower end plate and the upper end plate are connected by a supporting pole, the edges of the lower end plate and the upper end plate are symmetrically provided with mounting grooves, and the side surfaces of the upper end plate are provided with a fastening groove, and the vertical pole is movably connected in the mounting groove, and at the same time, the upper end of the vertical pole is fixedly connected to a fixing block, and the lower end of the bent portion of the fixing block is fixedly connected to a storage plate, a storage groove is provided corresponding to the position of the storage plate relative to the fastening groove, and the storage groove is movably connected with a fastening screw by a bearing, and the fastening block is slidably connected in the storage groove by a screwed fastening screw, the side surface of the vertical pole is fixedly connected to the fixing plate, the surface of the fixing plate is symmetrically connected to the cross plate, and the upper surface of the cross plate is symmetrically connected to the positioning block, and at the same time, the surface of the positioning block is symmetrically provided with through holes.

[0006] Preferably, two groups of fastening grooves are symmetrically opened on the sides of both sides of the upper end plate, and both groups of fastening grooves are long strip structures, and the length of the fastening grooves is equal to the length of the installation grooves. At the same time, multiple groups of protrusions are fixedly connected in parallel and equidistantly on the sides of the fastening grooves, and the protrusions are hemispherical structures.

[0007] Preferably, the vertical pole is in a rectangular structure, the surface of the vertical pole is fixedly connected to the fixing plate by screws, and the fixing plate is in a long strip structure, and the length of the fixing plate is smaller than the length of the vertical pole, and the dimensions of both ends of the vertical pole are adapted to the dimensions of the mounting groove.

[0008] Preferably, a plurality of sets of transverse plates are fixedly connected in parallel and at equal intervals on the surface of the fixed plate, the transverse plates are in the shape of long strips, and the fixed plate and the transverse plates are combined together to form a U-shaped structure.

[0009] Preferably, the upper surface of the horizontal plate is fixedly connected with multiple groups of positioning blocks in parallel and equidistantly along the length direction, and the positioning blocks are square in structure, and multiple groups of through holes are evenly arranged on the surface of the positioning blocks. At the same time, the cross-section formed by the combination of the horizontal plate and the positioning blocks is a convex structure.

[0010] Preferably, the fixing block is in an L-shaped structure, the storage plate to which the bent portion of the fixing block is fixedly connected is in a rectangular structure, and the fixing block is slidably connected to the outer side surface of the upper end plate via a vertical rod.

[0011] Preferably, the storage groove opened on the surface of the storage plate has a square structure, and the cross-section formed by the storage plate and the storage groove combined together has a concave structure, and the fastening block slidingly connected in the storage groove has a square structure, the sizes of the fastening block and the fastening groove are adapted, and at the same time, the fastening block is fixedly connected to the fastening layer on one side relative to the fastening groove.

[0012] Compared with the prior art, the beneficial effect of the utility model is that through the coordination of the vertical poles, the fixing plates, the horizontal plates and the positioning blocks, silicon wafers of different sizes can be placed in the quartz boat, thereby effectively expanding the scope of application of the quartz boat and enhancing the practicality of the quartz boat. At the same time, the size and structure of each vertical pole of the quartz boat are the same, so during the actual installation process of the quartz boat, workers do not need to make special distinctions, thereby helping to improve the installation efficiency of the quartz boat. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a front view schematic diagram of an embodiment of the utility model.

[0014] Figure 2 It is a side view schematic diagram of an embodiment of the utility model.

[0015] Figure 3 It is a top view schematic diagram of an embodiment of the utility model.

[0016] Figure 4 For the utility model embodiment Figure 2 An enlarged schematic diagram of point A.

[0017] In the figure: 1. lower end plate; 2. vertical pole; 3. horizontal plate; 4. fixing plate; 5. positioning block; 6. mounting groove; 7. upper end plate; 8. fixing block; 9. fastening groove; 10. fastening block; 11. fastening screw; 12. storage plate; 13. fastening layer. DETAILED DESCRIPTION

[0018] Reference Figures 1 to 4 As shown, the utility model provides a quartz boat for the production of crystalline silicon solar cells, comprising: a lower end plate 1 and a vertical pole 2, the lower end plate 1 and the upper end plate 7 are connected by a supporting rod, the edges of the lower end plate 1 and the upper end plate 7 are symmetrically provided with mounting grooves 6, and the side surfaces of the upper end plate 7 are provided with fastening grooves 9, and the vertical pole 2 is movably connected in the mounting groove 6, and at the same time, the upper end of the vertical pole 2 is fixedly connected to the fixing block 8, and the lower end of the bent portion of the fixing block 8 is fixedly connected to the receiving plate 12, the receiving plate 12 is provided with a receiving groove corresponding to the position of the fastening groove 9, and the receiving groove is movably connected with the fastening screw 11 through a bearing, and the fastening block 10 is slidably connected in the receiving groove through the screwed fastening screw 11, the side surface of the vertical pole 2 is fixedly connected to the fixing plate 4, the surface of the fixing plate 4 is symmetrically connected to the cross plate 3, and the upper surface of the cross plate 3 is symmetrically connected to the positioning block 5, and at the same time, the surface of the positioning block 5 is symmetrically provided with through holes.

[0019] In this embodiment, during the production process of the crystalline silicon solar cell, its silicon wafers need to be processed accordingly. First, the vertical pole 2 is inserted into the installation groove 6 provided in the lower end plate 1 and the upper end plate 7, so that the fixing block 8 can fit the outer side surface of the upper end plate 7. After the vertical pole 2 and the fixing block 8 are adjusted to a suitable position, the fastening screw 11 is rotated, and the fastening screw 11 pushes the screwed fastening block 10 to be embedded in the fastening groove 9, and the fastening block 10 abuts against the protrusion in the fastening groove 9 through the fastening layer 13, thereby completing the fixed connection between the upper end plate 7, the fixing block 8 and the vertical pole 2. After that, the placement assembly composed of the fixing plate 4 and the cross plate 3 is fixedly connected to the side of the vertical pole 2 by screws. According to the size of the silicon wafer to be placed, the spacing between adjacent placement assemblies is adjusted so that the edge of the lower surface of the silicon wafer can contact the upper surface of the cross plate 3, and the positioning block 5 on the cross plate 3 can clamp and fix the side surfaces of the silicon wafer accordingly, thereby enhancing the stability of silicon wafers of different sizes when placed in the quartz boat, which is convenient for subsequent processing.

[0020] As a preferred embodiment, two groups of fastening grooves 9 are symmetrically opened on the sides of both sides of the upper end plate 7, and the two groups of fastening grooves 9 are both long strip structures, and the length of the fastening groove 9 is equal to the length of the installation groove 6. At the same time, multiple groups of protrusions are fixedly connected in parallel and equidistantly on the sides of the fastening groove 9, and the protrusions are hemispherical structures.

[0021] In this embodiment, if Figure 2 and Figure 3 The setting of the fastening groove 9 and the protrusion can effectively enhance the stability of the connection between the upper end plate 7, the fixing block 8 and the vertical pole 2, which can not only conveniently adjust the position of different vertical poles 2 in the installation groove 6, but also avoid the problem of accidental sliding of the vertical pole 2 in the installation groove 6, thereby ensuring the safety of the silicon wafers of the crystalline silicon solar cell placed in the quartz boat.

[0022] As a preferred embodiment, the vertical pole 2 is in a rectangular structure, and the surface of the vertical pole 2 is fixedly connected to the fixing plate 4 by screws, and the fixing plate 4 is in a long strip structure, and the length of the fixing plate 4 is smaller than the length of the vertical pole 2. At the same time, the dimensions of the two ends of the vertical pole 2 are compatible with the dimensions of the mounting groove 6.

[0023] In this embodiment, if Figure 2 and Figure 3 The sizes of the two ends of the upright pole 2 and the mounting groove 6 are matched, which can help enhance the stability of the upright pole 2 when moving in the mounting groove 6, thereby helping improve the efficiency of position adjustment of the upright pole 2 in the mounting groove 6.

[0024] As a preferred embodiment, a plurality of sets of transverse plates 3 are fixedly connected parallel to and equidistantly from the surface of the fixed plate 4, the transverse plates 3 are in the shape of long strips, and the fixed plate 4 and the transverse plates 3 are combined together to form a U-shaped structure.

[0025] In this embodiment, if Figure 1 , Figure 2 and Figure 3 The fixing plate 4 and the cross plate 3 are combined together to form a placement assembly, so that after the vertical pole 2 is inserted into the installation groove 6, the placement assembly can be quickly installed on the side of the vertical pole 2, thereby improving the installation efficiency of the quartz boat.

[0026] As a preferred embodiment, multiple groups of positioning blocks 5 are fixedly connected in parallel and equidistantly along the length direction on the upper surface of the cross plate 3, and the positioning blocks 5 are of a square structure. Multiple groups of through holes are evenly arranged on the surface of the positioning blocks 5. At the same time, the cross-section formed by the combination of the cross plate 3 and the positioning blocks 5 is of a convex structure.

[0027] In this embodiment, if Figure 1 , Figure 2 and Figure 3 The setting of the positioning block 5 enables adjacently placed components to clamp and fix silicon wafers of different sizes accordingly through the positioning block 5, thereby helping to enhance the safety of placing the strong silicon wafers of the crystalline silicon solar cell in the quartz boat, and the setting of the through hole can enhance the permeability of the positioning block 5.

[0028] As a preferred embodiment, the fixing block 8 is L-shaped, the storage plate 12 to which the bent portion of the fixing block 8 is fixedly connected is rectangular, and the fixing block 8 is slidably connected to the outer side surface of the upper end plate 7 via the vertical rod 2 .

[0029] In this embodiment, if Figure 2 and Figure 3 The structural setting of the fixing block 8 can help improve the convenience of position adjustment of the vertical pole 2, and can also facilitate workers to quickly identify the orientation of the vertical pole 2 during installation, thereby shortening the time required for the installation of the quartz boat.

[0030] As a preferred embodiment, the storage groove opened on the surface of the storage plate 12 has a square structure, and the cross-section formed by the storage plate 12 and the storage groove combined together has a concave structure, and the fastening block 10 slidingly connected in the storage groove has a square structure, and the sizes of the fastening block 10 and the fastening groove 9 are adapted, and at the same time, the fastening block 10 is fixedly connected to the fastening layer 13 on one side relative to the fastening groove 9.

[0031] In this embodiment, if Figure 3 and Figure 4 The fastening layer 13 is made of soft rubber material, and when the fastening layer 13 abuts against the protrusion in the fastening groove 9, it can effectively increase the friction resistance between the fastening groove 9 and the fastening block 10, thereby assisting in enhancing the fixing effect between the upper end plate 7 and the vertical rod 2, avoiding the accidental increase in the distance between adjacent components, and ensuring the safety of the silicon wafers placed in the quartz boat.

[0032] The quartz boat for the production of crystalline silicon solar cells of the utility model can be adjusted accordingly according to the different sizes of silicon wafers through the cooperation of the vertical pole 2, the fixing plate 4, the horizontal plate 3 and the positioning block 5, and can then be suitable for the production of crystalline silicon solar cells of various sizes, effectively increasing the application range of the quartz boat, enhancing the practicality of the quartz boat, and also being able to improve the efficiency of the position adjustment of the vertical pole 2 by placing components.

Claims

1. A quartz boat for producing crystalline silicon solar cells, comprising: The lower end plate (1) and the vertical rod (2), and the lower end plate (1) and the upper end plate (7) are connected by a support rod, characterized in that: the edges of the lower end plate (1) and the upper end plate (7) are symmetrically provided with mounting grooves (6), and the side of the upper end plate (7) is provided with a fastening groove (9), and the vertical rod (2) is movably connected in the mounting groove (6), and at the same time, the upper end of the vertical rod (2) is fixedly connected to the fixing block (8), and the lower end of the bent portion of the fixing block (8) is fixedly connected to the storage plate (12), and the storage A receiving groove is provided in the receiving plate (12) at a position corresponding to the fastening groove (9), and a fastening screw (11) is movably connected in the receiving groove via a bearing, and the fastening block (10) is slidably connected in the receiving groove via the fastening screw (11) that is screwed, and the side of the vertical rod (2) is fixedly connected to the fixing plate (4), the surface of the fixing plate (4) is symmetrically connected to the horizontal plate (3), and the upper surface of the horizontal plate (3) is symmetrically connected to the positioning block (5), and through holes are symmetrically provided on the surface of the positioning block (5).

2. A quartz boat for producing crystalline silicon solar cells according to claim 1, characterized in that: Two groups of fastening grooves (9) are symmetrically provided on the sides of both sides of the upper end plate (7), and both groups of fastening grooves (9) are in the form of long strips, and the length of the fastening grooves (9) is equal to the length of the mounting grooves (6). At the same time, the sides of the fastening grooves (9) are parallel and evenly spaced and fixedly connected with a plurality of groups of protrusions, and the protrusions are in the form of hemispherical structures.

3. A quartz boat for producing crystalline silicon solar cells according to claim 1, characterized in that: The vertical pole (2) is in a rectangular parallelepiped structure. The surface of the vertical pole (2) is fixedly connected to the fixing plate (4) by screws. The fixing plate (4) is in a long strip structure. The length of the fixing plate (4) is smaller than the length of the vertical pole (2). At the same time, the dimensions of the two ends of the vertical pole (2) are compatible with the dimensions of the installation groove (6).

4. A quartz boat for producing crystalline silicon solar cells according to claim 1, characterized in that: The fixed plate (4) is parallel to the surface of a plurality of groups of transverse plates (3) fixedly connected at equal intervals. The transverse plates (3) are in the form of long strips, and the fixed plate (4) and the transverse plates (3) are combined together to form a U-shaped structure.

5. The quartz boat for producing crystalline silicon solar cells according to claim 1, characterized in that: The upper surface of the transverse plate (3) is fixedly connected with a plurality of positioning blocks (5) in parallel and at equal intervals along the length direction, and the positioning blocks (5) are of a square structure, and a plurality of through holes are evenly arranged on the surface of the positioning blocks (5), and the cross section formed by the combination of the transverse plate (3) and the positioning blocks (5) is of a convex structure.

6. The quartz boat for producing crystalline silicon solar cells according to claim 1, characterized in that: The fixing block (8) has an L-shaped structure, the storage plate (12) fixedly connected to the bent portion of the fixing block (8) has a rectangular structure, and the fixing block (8) is slidably connected to the outer side surface of the upper end plate (7) via the vertical rod (2).

7. The quartz boat for producing crystalline silicon solar cells according to claim 1, characterized in that: The storage groove formed on the surface of the storage plate (12) is in a square structure, and the cross-section formed by the storage plate (12) and the storage groove is in a concave shape. The fastening block (10) slidably connected in the storage groove is in a square structure, and the sizes of the fastening block (10) and the fastening groove (9) are matched. At the same time, the fastening block (10) is fixedly connected to the fastening layer (13) on one side relative to the fastening groove (9).

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