Monocrystalline silicon wafer with good light absorption performance

Abstract

The utility model discloses a monocrystalline silicon wafer with good light absorption performance, which relates to the technical field of silicon wafers and comprises a silicon wafer arranged on a mounting plate. A fixing ring is arranged at the top of the mounting plate, and arc-shaped reflectors are uniformly and annularly arranged on the inner wall of the fixing ring; wherein the arc-shaped reflecting mirror surrounds the periphery of the silicon wafer, and the arc-shaped reflecting mirror is higher than the silicon wafer; the arc-shaped reflectors are uniformly and annularly arranged around the silicon wafer, so that when multi-angle sunlight irradiates the arc-shaped reflectors, light can be reflected to the silicon wafer, the area of the silicon wafer irradiated by the sunlight is increased, the light absorption effect of the silicon wafer is improved, and more conversion is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of silicon slices, in particular to a single crystal silicon slice with good light absorption performance. Background Art

[0002] When a single crystal silicon wafer is not fully exposed to sunlight, the absorption efficiency of the single crystal silicon wafer will be low. In order to improve the absorption efficiency, we propose a single crystal silicon wafer with good light absorption performance. Utility Model Content

[0003] The purpose of the present invention is to provide a single crystal silicon wafer with good light absorption performance to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned object, the present invention provides the following technical solution: a single crystal silicon wafer with good light absorption performance, comprising: a silicon wafer, wherein the silicon wafer is arranged on a mounting plate;

[0005] A fixing ring is provided on the top of the mounting plate, and arc-shaped reflectors are evenly arranged on the inner wall of the fixing ring;

[0006] Wherein, the arc-shaped reflective mirror surrounds the silicon wafer, and the arc-shaped reflective mirror is higher than the silicon wafer;

[0007] The fixing ring is provided with a cleaning component for cleaning the arc-shaped reflecting mirror.

[0008] As an optimal solution for a single crystal silicon wafer with good light absorption performance described in the utility model, the cleaning component includes a connecting rod, a sponge block in contact with the arc reflector is provided on the connecting rod, the connecting rod is connected to the rotating device, and the rotating device is connected to the driving device.

[0009] As an optimal solution for the single crystal silicon wafer with good light absorption performance described in the utility model, the rotating device includes an annular guide groove, the guide groove is arranged on the outside of the fixed ring, a gear ring is slidably connected to the guide groove, and the gear ring is connected to the connecting rod.

[0010] As a preferred solution for the single crystal silicon wafer with good light absorption performance described in the utility model, the driving device includes a connecting plate arranged on the mounting plate, a motor is arranged on the connecting plate, and a gear meshing with the gear ring is arranged on the output end of the motor.

[0011] As a preferred solution of the single crystal silicon wafer with good light absorption performance described in the present invention, a controller electrically connected to the motor is provided on the mounting board.

[0012] As a preferred solution of the single crystal silicon wafer with good light absorption performance described in the utility model, the bottom of the mounting plate is provided with a through hole opposite to the silicon wafer.

[0013] As a preferred solution for the single crystal silicon wafer with good light absorption performance described in the present invention, drainage holes are evenly arranged on the bottom of the outer wall of the fixing ring.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. By evenly arranging arc reflectors around the silicon wafer, when sunlight from multiple angles hits the arc reflectors, the light can be reflected onto the silicon wafer, increasing the area of ​​the silicon wafer exposed to sunlight, thereby improving the light absorption effect of the silicon wafer and achieving more conversion;

[0016] 2. By setting up a cleaning component, the curved reflector can be cleaned regularly and dust can be wiped off to avoid affecting the reflection of light, thereby further improving the light absorption performance of the silicon wafer. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of a single crystal silicon wafer with good light absorption performance according to the present invention;

[0018] Figure 2 This is a bottom-up schematic diagram of the overall structure of a single-crystal silicon wafer with good light absorption performance according to the present invention.

[0019] In the figure: 1. Silicon wafer; 2. Mounting plate; 3. Fixing ring; 4. Arc reflector; 5. Connecting rod; 6. Sponge block; 7. Guide groove; 8. Gear ring; 9. Connecting plate; 10. Motor; 11. Gear; 12. Controller; 13. Through hole; 14. Drain hole. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] As mentioned in the background art, in order to solve the problem of low absorption efficiency in the prior art, the present invention provides a single crystal silicon wafer with good light absorption performance.

[0022] Example 1

[0023] Reference Figures 1 to 2A single crystal silicon wafer with good light absorption performance comprises a silicon wafer 1, wherein the silicon wafer 1 is arranged on a mounting plate 2;

[0024] A fixing ring 3 is provided on the top of the mounting plate 2, and an arc-shaped reflector 4 is evenly arranged on the inner wall of the fixing ring 3;

[0025] The curved reflectors 4 surround the silicon wafer 1 and are higher than the silicon wafer 1, so that light can be reflected onto the silicon wafer 1 when it is irradiated by the curved reflectors 4. The curved reflectors 4 are evenly arranged in an annular pattern, so that when sunlight is irradiated from multiple angles, it can be reflected by the curved reflectors 4 and reflected onto the silicon wafer 1, thereby increasing the area of ​​the silicon wafer 1 exposed to sunlight, thereby improving the light absorption effect of the silicon wafer 1 and achieving more conversion of electrical energy.

[0026] The curved reflector 4 may be covered with dust, which may affect the reflection of light through the curved reflector 4 . Therefore, a cleaning component for cleaning the curved reflector 4 is provided on the fixing ring 3 .

[0027] The cleaning assembly includes a connecting rod 5, on which a sponge block 6 in contact with the curved reflector 4 is provided. The connecting rod 5 is connected to a rotating device, and the rotating device is connected to a driving device. The driving device drives the rotating device to rotate, so that the connecting rod 5 drives the sponge block 6 to rotate, so that the sponge block 6 cleans each curved reflector 4.

[0028] The rotating device includes an annular guide groove 7, which is arranged on the outside of the fixed ring 3. A gear ring 8 is slidably connected to the guide groove 7, and the gear ring 8 is connected to the connecting rod 5. The gear ring 8 rotates through the guide groove 7, so that the connecting rod 5 rotates accordingly.

[0029] The driving device includes a connecting plate 9 arranged on the mounting plate 2, a motor 10 is arranged on the connecting plate 9, and a gear 11 meshing with the gear ring 8 is arranged on the output end of the motor 10. The motor 10 is powered by existing technology, so that the gear 11 drives the gear ring 8 to rotate.

[0030] A controller 12 electrically connected to the motor 10 is provided on the mounting plate 2 , so that a signal can be sent to the controller 12 remotely, so that the controller 12 can control the operation of the motor 10 .

[0031] The bottom of the mounting plate 2 is provided with a through hole 13 opposite to the silicon chip 1 , which does not affect the wiring of the silicon chip 1 .

[0032] Example 2

[0033] Reference Figure 1 Drain holes 14 are evenly arranged on the bottom of the outer wall of the fixing ring 3, which does not affect the drainage inside the fixing ring 3.

[0034] The rest of the structure is the same as that of Example 1.

[0035] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A single crystal silicon wafer with good light absorption performance, characterized by: include, A silicon wafer (1), wherein the silicon wafer (1) is arranged on a mounting plate (2); A fixing ring (3) is provided on the top of the mounting plate (2), and arc-shaped reflective mirrors (4) are evenly arranged on the inner wall of the fixing ring (3); The arc-shaped reflector (4) surrounds the silicon wafer (1), and the arc-shaped reflector (4) is higher than the silicon wafer (1); The fixing ring (3) is provided with a cleaning component for cleaning the arc-shaped reflector (4).

2. The single crystal silicon wafer with good light absorption performance according to claim 1, characterized in that: The cleaning assembly comprises a connecting rod (5), a sponge block (6) in contact with the arc-shaped reflector (4) is provided on the connecting rod (5), the connecting rod (5) is connected to a rotating device, and the rotating device is connected to a driving device.

3. The single crystal silicon wafer with good light absorption performance according to claim 2, characterized in that: The rotating device comprises an annular guide groove (7), the guide groove (7) is arranged on the outside of the fixed ring (3), a gear ring (8) is slidably connected to the guide groove (7), and the gear ring (8) is connected to the connecting rod (5).

4. The single crystal silicon wafer with good light absorption performance according to claim 3, characterized in that: The driving device comprises a connecting plate (9) arranged on a mounting plate (2), a motor (10) being arranged on the connecting plate (9), and a gear (11) meshingly connected with a gear ring (8) being arranged on an output end of the motor (10).

5. The single crystal silicon wafer with good light absorption performance according to claim 4, characterized in that: A controller (12) electrically connected to the motor (10) is provided on the mounting plate (2).

6. The single crystal silicon wafer with good light absorption performance according to claim 1, characterized in that: The bottom of the mounting plate (2) is provided with a through hole (13) opposite to the silicon chip (1).

7. The single crystal silicon wafer with good light absorption performance according to claim 1, characterized in that: Drain holes (14) are evenly arranged on the bottom of the outer wall of the fixing ring (3).

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