Multi-channel laser-photoelectric coupling integrated module wireless energy transmission device

Abstract

The utility model provides a multi-channel laser-photoelectric coupling integrated module wireless energy transmission device, which comprises a plurality of cesium-lead-bromine perovskite cells arranged in an array, and FTO conductive glass plates of the plurality of cesium-lead-bromine perovskite cells use the same glass substrate; the system further comprises lasers and collimating mirrors, the lasers, the collimating mirrors and the cesium-lead-bromine perovskite cells are in one-to-one correspondence, the collimating mirrors are right opposite to the corresponding cesium-lead-bromine perovskite cells, and the collimating mirrors are connected with the corresponding lasers through optical fibers. According to the utility model, the multi-tube laser array is utilized to irradiate a plurality of battery packs, the regulation and control of battery output energy are realized, and the total power of energy transmission is improved.

Description

Technical Field

[0001] This utility model belongs to the field of energy transmission, and in particular relates to a multi-channel laser-optocoupler integrated module wireless energy transmission device. Background Technology

[0002] Using cesium lead bromide perovskite solar cells as laser wireless power transmission systems can leverage their advantages such as high stability, low cost, high quantum efficiency at specific wavelengths, high temperature resistance, and radiation resistance. Under laser irradiation at the optimal light response wavelength, they can achieve significantly higher efficiency than solar cells, with output power hundreds of times that of sunlight, demonstrating great application potential in aerospace, energy storage, and field operations. However, in actual service environments, the output power of a single-channel laser at a specific wavelength often has an upper limit, as does the laser irradiation power density that a single photovoltaic module can withstand. These dual limitations limit the output power of a single device system to tens or even a few watts, restricting its development in systems requiring high-power transmission.

[0003] Existing perovskite solar cells have achieved high output efficiency under laser irradiation. However, single-laser-cell systems have the following limitations: 1. The conversion efficiency and output power of a single cell have upper limits, and damage to a single cell affects the operation of the entire system; 2. The laser irradiation power required for a single cell is relatively high, and excessively high irradiation power can shorten the cell's lifespan; 3. The effective light absorption area of ​​a single laser matching a single cell is limited, resulting in certain limitations on the overall power transfer of the system. By constructing a multi-channel laser-cell array that can be individually controlled, the limited single-device laser energy transfer system can be integrated to obtain a high-power energy transfer system with a significantly increased output efficiency. Utility Model Content

[0004] In view of this, the present invention aims to propose a multi-channel laser-optocoupler integrated module wireless power transmission device, which improves the total power of system energy transmission by integrating a multi-tube laser-battery coupling system.

[0005] To achieve the above objectives, the technical solution of this utility model is implemented as follows:

[0006] A multi-channel laser-optocoupler integrated module wireless power transmission device includes several cesium lead bromide perovskite cells arranged around a central array. The FTO conductive glass plates of these several cesium lead bromide perovskite cells use the same glass substrate and form the substrate of multiple independent cells by laser etching out non-conductive areas.

[0007] It also includes the same number of lasers and collimating lenses as the cesium lead bromide perovskite solar cells. The lasers, collimating lenses, and cesium lead bromide perovskite solar cells are in one-to-one correspondence. The collimating lenses are also arranged in an array around a central point, with the collimating lenses and the corresponding cesium lead bromide perovskite solar cells facing each other. The collimating lenses and the corresponding lasers are connected by optical fibers.

[0008] Furthermore, each of the collimating lenses is mounted on a bracket via a swing mechanism, enabling the collimating lenses to swing toward their center of arrangement.

[0009] The bracket is mounted on a two-dimensional turntable to adjust the elevation angle of the laser beam.

[0010] Furthermore, the support includes a base plate and a top plate connected by uprights, wherein the base plate and the two-dimensional turntable are connected and fixed.

[0011] The swing mechanism includes a swing arm mounted on the base. The swing arm is rotatably mounted on the top plate via a rotating shaft. The top plate has a waist hole relative to the swing arm, and the bottom end of the swing arm protrudes through the waist hole.

[0012] A spring pin is provided below the top plate at the outer position of the swing arm, and the head of the spring pin abuts against the swing arm; a push block is vertically moved directly below the top plate, and a tapered contact surface is provided between the push block and the inner side of the swing arm.

[0013] Furthermore, a through hole is provided at the center of the base for the corresponding optical fiber;

[0014] The swing arm includes a U-shaped frame with an upward opening on the bottom surface of the base, and a vertical plate on the bottom surface of the U-shaped frame, wherein the vertical plate is a rectangular plate structure;

[0015] The spring pin abuts against the upright plate, and the tapered contact surface is disposed between the upright plate and the push block.

[0016] Furthermore, the push block has a frustum structure, and its conical surface has a groove along the generatrix direction;

[0017] The bottom of the inner side of the upright plate is provided with a sloping part of the corresponding sliding groove, and the sloping part is in close contact with the bottom of the sliding groove.

[0018] Furthermore, a screw is threadedly connected to the center of the push block, and the screw is driven by a geared motor.

[0019] Furthermore, an insulating adhesive is placed between each two adjacent cesium lead bromide perovskite cell regions on the FTO conductive glass plate to isolate the two cell regions.

[0020] Compared with existing technologies, the multi-channel laser-optocoupler integrated module wireless power transmission device of this utility model has the following advantages:

[0021] (1) In this utility model, the multi-tube laser array is used to irradiate multiple battery packs to realize the regulation of battery output energy, improve the total power of energy transmission, which is conducive to the stable operation of the system. Even if a single battery in the module is damaged, the entire module can still work normally. By integrating multiple lasers and multiple battery packs, they can work independently or collaboratively to adapt to different workloads.

[0022] (2) In this utility model, the tilt angle of the multi-tube laser irradiation can be adjusted. When the laser beam diverges greatly due to the long focusing distance, the laser irradiation angle is adjusted inward so that the center of each laser beam is the center of the FTO conductive glass plate. At this time, each laser beam covers the entire FTO conductive glass plate, thereby improving the photoelectric conversion efficiency. Attached Figure Description

[0023] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:

[0024] Figure 1 This is a schematic diagram of a multi-channel laser-optocoupler integrated module wireless power transmission device according to an embodiment of the present invention;

[0025] Figure 2 This is a front view of the collimating lens mounting structure in an embodiment of this utility model;

[0026] Figure 3 This is a top view of the collimating lens mounting structure in an embodiment of this utility model;

[0027] Figure 4 for Figure 3 AA view;

[0028] Figure 5 This is a schematic diagram of the push block in this embodiment.

[0029] Figure 6 This is a schematic diagram of the swing arm structure in this embodiment;

[0030] Figure 7 This is a schematic diagram of the vertical plate structure in the swing arm;

[0031] Figure 8 This is a structural diagram of the battery module in this embodiment.

[0032] Explanation of reference numerals in the attached figures:

[0033] 1-Base plate; 2-Push block; 21-Slide groove; 3-Spring pin; 4-Top plate; 41-Waist hole; 5-Rotating shaft; 6-Base; 7-Collimating lens; 8-Gear motor; 9-Swing arm; 91-U-shaped frame; 92-Upright plate; 93-Sloping part; 10-Screw; 11-Fixing block; 12-Upright pole; 13-Locking nut; 14-Support; 20-Platform; 30-Laser; 40-Glass substrate; 50-Cesium lead bromide perovskite battery; 60-Fiber optic cable; 70-Insulating adhesive; 80-Battery substrate. Detailed Implementation

[0034] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0035] like Figure 1 As shown, a multi-channel laser-optocoupler integrated module wireless power transmission device includes the same number of cesium lead bromide perovskite cells 50, collimating lenses 7, and lasers 30. In this embodiment, four cesium lead bromide perovskite cells 50 are used as an example. The four cesium lead bromide perovskite cells 50 can be connected in series, parallel, or a combination of series and parallel. Connecting four cells in series can output a larger voltage, while connecting four cells in parallel can output a larger current. In this invention, the cesium lead bromide perovskite cells 50 are laser sensing cells. The four cesium lead bromide perovskite cells 50 are arranged in a central matrix, and the FTO conductive glass plates of the four cesium lead bromide perovskite cells 50 use the same glass substrate 40. The four lasers are mounted on a platform 20, and the four collimating lenses 7 are also arranged in a matrix to correspond to the four cesium lead bromide perovskite cells. Each of the four collimating lenses 7 is mounted on a support via a swing mechanism, allowing the four collimating lenses 7 to swing towards their central arrangement. The collimating lens 7 and the laser are connected via optical fiber 60. The collimating lens 7 constrains the beam emitted by the laser 30 to reduce the divergence area. A support is mounted on a two-dimensional turntable, allowing adjustment of the laser beam's elevation angle based on the aerial position of the cesium lead-bromine perovskite solar cell 50, ensuring the laser beam illuminates the cell. Adjusting the laser beam's elevation angle via a two-dimensional turntable is a conventional technique and will not be described in detail; this mounting structure is also omitted from the accompanying drawings.

[0036] In this invention, the FTO conductive glass plates for the four cesium lead bromide perovskite solar cells 50 use the same glass substrate 40. The method for forming the four cesium lead bromide perovskite solar cells 50 is as follows: according to the design of the battery module, four non-conductive regions are etched on the glass substrate 40 at the corresponding four cesium lead bromide perovskite solar cell locations using a laser to form four independent battery substrates 80. The etched glass substrates are cleaned and dried for later use. A titanium dioxide precursor solution and a 10-fold ethanol dispersion of isopropyl titanate are prepared and spin-coated onto the glass substrate and annealed at 500°C to prepare a dense TiO2 layer. The spin-coating amount is 20 μL / cm. 2The TiO2 mesoporous layer was prepared by spin-coating an ethanol dispersion of TiO2 slurry onto the surface of a dense TiO2 layer at a concentration of 150 mg / mL, followed by annealing at 500 °C. The CsPbBr3-based photoactive layer was prepared using a two-step method: first, a PbBr2 solution at a concentration of 450 mg / mL was spin-coated onto the TiO2 surface at a coating weight of 20 μL / cm. 2 After heat treatment at 100℃, an aqueous solution of CsBr with a concentration of 250 mg / mL was spin-coated at a spin coating volume of 25 μL / cm. 2 The substrates were then annealed at 250°C for 5 minutes. Between the substrates 80 of two adjacent cells on the glass substrate 40, a layer of insulating adhesive 70 of a predetermined shape was first applied by screen printing to ensure that the discrete cell substrates 80 would not be connected due to the top carbon electrode contacting the edge of the etched FTO during the carbon paste coating process. Figure 8 As shown in the diagram. Finally, carbon paste is coated onto the surface at designated locations to form carbon electrodes, completing the fabrication of the multi-cell array and forming multiple cesium lead bromide perovskite cell modules. Each cell structure, from bottom to top, includes a conductive glass substrate, an electron transport layer, a cesium lead bromide perovskite, an insulating adhesive layer, and a carbon electrode. This structure is common for cesium lead bromide perovskite cells and will not be elaborated further. The multi-cell module setup, without significantly affecting the photoelectric conversion efficiency, outputs very ideal power; the power output of the multi-cell module is not significantly lower than the combined power of multiple single cells under laser irradiation. Good synergy is also observed when using two laser wavelengths.

[0037] In this invention, the collimating lens is aligned with the corresponding cell substrate 80 on the glass substrate 40 to ensure that the laser beam, after being constrained by the collimating lens, can irradiate the center of the cell substrate. After light energy conversion, it charges the corresponding cesium lead bromide perovskite cell. Since the collimating lens 7 is equipped with a swing mechanism, it can swing towards the center of the matrix. Therefore, when the laser beam irradiation distance is long and the divergence area is large, the collimating lens 7 can be swung to adjust the irradiation angle of the laser beam, so that the laser beam irradiates the center of the glass substrate 40. At this time, the laser beam covers the entire glass substrate 40, rather than just the substrate 80 of a single cell, simultaneously charging the four cesium lead bromide perovskite cells 50, avoiding energy waste and improving photoelectric conversion efficiency.

[0038] In this utility model, the collimating lens and the bracket mounting structure are as follows: Figure 2 , Figure 3 and Figure 4As shown, the support includes a base plate 1 and a top plate 4 connected by a vertical rod 12. The base plate 1 is fixedly connected to the two-dimensional turntable. Each of the four collimating lenses 7 has a corresponding base 6. The collimating lenses 7 are mounted on their respective bases 6, and each base 6 has a through hole in its center for the optical fiber 60 to pass through. Each of the four bases is mounted on the top plate 4 via a swing mechanism. The swing mechanism includes a swing arm 9 mounted on the base 6. The swing arm 9 is rotatably mounted on the top plate 4 via a rotating shaft 5. The rotating shaft 5 is positioned above the top plate 4 and is mounted on the top plate 4 via a support 14. The orientation of the rotating shaft 5 is such that the corresponding collimating lens 7 swings towards the center of the collimating lens 7.

[0039] The structure of the swing arm 9 is as follows Figure 6 As shown, the system includes a U-shaped frame 91 with its opening facing upwards, mounted on the bottom surface of the base 6, and a vertical plate 92 mounted on the bottom surface of the U-shaped frame 91. The vertical plate 92 is a rectangular plate structure. The U-shaped frame 91 facilitates the cabling of the fiber optic cable 60. A waist hole 41 is provided on the top plate 4 opposite the vertical plate 92. The vertical plate 92 passes through the waist hole 41 and can swing within the waist hole 41. The structure of the vertical plate 92 is as follows... Figure 7 As shown, a beveled surface 93 is provided at the bottom of its inner side (the side facing the center of the collimating lens 7).

[0040] A fixing block 11 is installed below the top plate 4 on the outer side of the swing arm 9. A spring pin 3 is installed on the fixing block 11 corresponding to the swing arm 9, with the head of the spring pin 3 abutting against the outer side of the upright plate 92. A push block 2 is vertically movable directly below the top plate 4. The push block 2 is preferably a frustum-shaped structure. Figure 5 As shown, a groove 21 is formed on the conical surface along the generatrix direction. The inclined surface 93 of the upright plate 92 matches the bottom of the groove 21 to form a conical contact surface. When the push block 2 moves upward, it pushes the four upright plates 92 outward. The four swing arms 9 overcome the pressure of the spring pin 3 and rotate around the pivot 5. The rotation direction is inward at the upper end and outward at the lower end of the swing arms 9, which causes the four collimating lenses 7 to deflect towards the center of arrangement at the same time. When the laser irradiation distance is far (the distance between the cesium lead bromide perovskite cell 50 and the collimating lens 7 is far), the laser beam divergence area is large. Irradiating only one cell area of ​​the glass substrate 40 will lead to energy waste. The collimating lens 7 can be adjusted to swing towards the center of arrangement, and the laser beam and the center of the glass substrate 40 can be aligned. At this time, the laser beam covers the entire glass substrate 40, rather than just one cell area. At this time, the four cells can be charged at the same time, improving the photoelectric conversion efficiency.

[0041] In this invention, a screw 10 is threadedly connected to the center of the push block 2. The screw 10 is driven by a geared motor 8. When the screw 10 rotates, it drives the push block 2 to move up and down, which in turn drives the swing arm 9 to swing, thereby adjusting the laser beam irradiation angle.

[0042] In this invention, a multi-cell module is irradiated by a multi-tube laser array, resulting in a very ideal output power. The output power of the multi-cell module is not significantly lower than the sum of the power of multiple single cells under laser irradiation. Furthermore, the irradiation angle of the multi-tube laser can be adjusted to improve photoelectric conversion efficiency.

[0043] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A multi-channel laser-optocoupler integrated module wireless power transmission device, characterized in that: The array includes several cesium lead bromide perovskite solar cells (50) arranged around a central array. The FTO conductive glass plates of the several cesium lead bromide perovskite solar cells (50) use the same glass substrate (40) and form the substrate of multiple independent cells by laser etching out non-conductive areas. It also includes the same number of lasers (30) and collimating lenses (7) as the cesium lead bromide perovskite solar cell (50). The lasers (30), collimating lenses (7) and cesium lead bromide perovskite solar cells (50) correspond one-to-one. The collimating lenses (7) are also arranged in an array around a central point. The collimating lenses (7) and the corresponding cesium lead bromide perovskite solar cells (50) are directly opposite each other. The collimating lenses (7) and the corresponding lasers (30) are connected by optical fibers (60).

2. The multi-channel laser-optocoupler integrated module wireless power transmission device according to claim 1, characterized in that: Each of the collimating lenses (7) is mounted on a bracket via a swing mechanism, so that the collimating lenses can swing toward their center of arrangement. The bracket is mounted on a two-dimensional turntable to adjust the elevation angle of the laser beam.

3. The multi-channel laser-optocoupler integrated module wireless power transmission device according to claim 2, characterized in that: The support includes a base plate (1) and a top plate (4) connected by a vertical pole (12), wherein the base plate (1) and the two-dimensional turntable are connected and fixed. The swing mechanism includes a swing arm (9) provided on the base (6). The swing arm (9) is rotatably mounted on the top plate (4) via a rotating shaft (5). The top plate (4) is provided with a waist hole (41) relative to the swing arm. The bottom end of the swing arm (9) passes through the waist hole (41). A spring pin (3) is provided below the top plate (4) on the outer side of the swing arm (9), and the head of the spring pin (3) abuts against the swing arm (9); a push block (2) is provided vertically below the top plate (4), and a conical contact surface is provided between the push block (2) and the inner side of the swing arm (9).

4. The multi-channel laser-optocoupler integrated module wireless power transmission device according to claim 3, characterized in that: A through hole is provided at the center of the base (6) for the corresponding optical fiber (60); The swing arm (9) includes a U-shaped frame (91) with an upward opening provided on the bottom surface of the base (6), and a vertical plate (92) provided on the bottom surface of the U-shaped frame (91), wherein the vertical plate (92) is a rectangular plate structure; The spring pin (3) abuts against the upright plate (92), and the conical contact surface is disposed between the upright plate (92) and the push block (2).

5. The multi-channel laser-optocoupler integrated module wireless power transmission device according to claim 4, characterized in that: The push block (2) is a frustum structure, and its conical surface has a groove (21) along the generatrix direction; The bottom of the inner side of the upright plate (92) is provided with a sloping part (93) in the corresponding groove (21), and the sloping part (93) is in close contact with the bottom of the groove (21).

6. The multi-channel laser-optocoupler integrated module wireless power transmission device according to claim 4, characterized in that: The push block (2) is threadedly connected to a screw (10) at its center, and the screw (10) is driven by a geared motor (8).

7. The multi-channel laser-optocoupler integrated module wireless power transmission device according to claim 1, characterized in that: The glass substrate (40) has an insulating adhesive (70) between each two adjacent cesium lead bromide perovskite battery regions, thereby isolating the two battery regions.

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