Perovskite laminated solar cell coating equipment

Abstract

The utility model discloses perovskite laminated solar cell coating equipment, which comprises a coating bin, a vacuum chamber, a metal evaporator and a double-layer barrier plate, a feeding component is mounted on the surface of the metal evaporator, an auxiliary roller is mounted in the vacuum chamber above an oil immersion sealing box, and the auxiliary roller is mounted in the vacuum chamber above the oil immersion sealing box. A main transmission roller is mounted in the vacuum chamber above the auxiliary roller, an unfolding roller is mounted in the vacuum chamber on one side of the main transmission roller, a clamping cavity is formed in the vacuum chamber on one side of the unfolding roller, a rack is mounted at the bottom of the coating bin, and the vacuum chamber is arranged in the coating bin; a double-layer barrier plate is mounted in the vacuum chamber, a clamping piece is mounted in the vacuum chamber on one side of the double-layer barrier plate, and a metal evaporator is mounted in the vacuum chamber on one side of the clamping piece. The clamping cavity disclosed by the utility model is used for fixing a coating material, preventing the coating material from displacing in a coating process, and ensuring the coating accuracy and repeatability.

Description

TECHNICAL FIELD

[0001] The utility model relates to perovskite laminated processing equipment technical field, concretely is a kind of perovskite laminated solar cell coating equipment. BACKGROUND

[0002] Perovskite laminated solar cell as a kind of new high-efficiency low-cost photovoltaic technology, in recent years, has received extensive attention and research.Perovskite material because of its excellent photoelectric conversion efficiency and adjustable band gap, become the hotspot material in the field of solar cells.Perovskite laminated solar cell then through the combination of different band gap perovskite material or multiple cell units, realize higher photoelectric conversion efficiency and stability.

[0003] In the preparation process of perovskite laminated solar cell, coating equipment plays a vital role.Coating technology can accurately control the thickness, composition and structure of thin film, has important influence on the performance of perovskite solar cell.However, traditional coating methods, such as spraying, surface etching and uniformity roller coating method, all have the problem of insufficient coating uniformity.These problems will lead to the color difference of module, thermal spot effect and the reduction of durability.

[0004] In order to solve these problems, perovskite laminated solar cell coating equipment adopts advanced vacuum coating technology.Vacuum coating equipment works in high vacuum environment, can reduce the influence of gas molecules on coating process, improve the purity and density of thin film.At the same time, by adopting advanced coating technology such as magnetron sputtering, electron beam evaporation, high quality, high purity thin film can be prepared, meet the deposition demand of perovskite solar cell to ITO thin film and other high requirement materials. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of perovskite laminated solar cell coating equipment to solve the problems raised in the above background technology.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: A kind of perovskite laminated solar cell coating equipment, including coating bin 1, vacuum chamber 9, metal evaporator 10 and double-layer barrier 11, the surface of metal evaporator 10 is equipped with feeding assembly 17, the inside of vacuum chamber 9 above oil immersion sealed box 19 is equipped with auxiliary roll 21, feeding assembly 17 is used to accurately control metal evaporation rate, ensure the stability of coating process and the uniformity of coating layer, auxiliary roll 21 is then used to support and guide coating material, guarantee the flatness and coating quality of material in coating process, the inside of vacuum chamber 9 above auxiliary roll 21 is equipped with main drive roll 22, the inside of vacuum chamber 9 in the side of main drive roll 22 is equipped with unwinding roll 13, the inside of vacuum chamber 9 in the side of unwinding roll 13 is equipped with clamping cavity 15, main drive roll 22 design is used to accurately control the conveying speed and position of coating material, ensure the continuity and uniformity of coating process, unwinding roll 13 is responsible for uniformly unwinding coating material, avoid material to appear wrinkle or break in coating process, to guarantee coating quality, the effect of clamping cavity 15 is fixed coating material, prevent its displacement in coating process, ensure the accuracy and repeatability of coating, the bottom of coating bin 1 is equipped with rack 3, the inside of coating bin 1 is provided with vacuum chamber 9, the inside of vacuum chamber 9 is equipped with double-layer barrier 11, the inside of vacuum chamber 9 in the side of double-layer barrier 11 is equipped with clamping piece 18, the inside of vacuum chamber 9 in the side of clamping piece 18 is equipped with metal evaporator 10, the surface of metal evaporator 10 is provided with feeding assembly 17, for accurately control metal evaporation rate, ensure the stability of coating process and the uniformity of coating layer, the other side of vacuum chamber 9 is equipped with auxiliary roll 21, and its effect is to support and guide coating material, guarantee the flatness and coating quality of material in coating process, in the inside of vacuum chamber 9 above auxiliary roll 21, it is equipped with main drive roll 22, and the drum design is used to accurately control the conveying speed and position of coating material, ensure the continuity and uniformity of coating process, the inside of vacuum chamber 9 in the side of main drive roll 22 is equipped with unwinding roll 13, and it is responsible for uniformly unwinding coating material, avoid material to appear wrinkle or break in coating process, to guarantee coating quality, the inside of vacuum chamber 9 in the side of unwinding roll 13 is equipped with clamping cavity 15, and its effect is fixed coating material, prevent its displacement in coating process, ensure the accuracy and repeatability of coating.

[0007] Preferably, the surface of the coating bin 1 is provided with a protective sleeve 4, and the surfaces on both sides of the coating bin 1 are provided with pull rods 2. The top of the coating bin 1 is provided with a detachable observation window 5, through which the coating process can be directly monitored, ensuring the transparency of the operation and the real-time evaluation of the coating quality. At the bottom of the coating bin 1, adjustable support feet 6 are provided to adapt to the level requirements of different working environments and ensure the stable operation of the equipment.

[0008] Preferably, the top of the coating cabin 1 is provided with a start button 7, and the top of the coating cabin 1 on one side of the start button 7 is provided with a rotating door 5 through a hinge, and the surface of the rotating door 5 is provided with a handle 8, and the top of the coating cabin 1 on one side of the rotating door 5 is provided with a flashing light 6. The side of the coating cabin 1 is provided with a plurality of heat dissipation holes to ensure the heat dissipation effect of the equipment during long time operation. A plurality of interfaces are arranged on the rear side of the coating cabin 1, including a power supply interface, a data transmission interface and a control interface. These interfaces facilitate users to connect external devices to realize remote control and data monitoring of the coating equipment. An emergency stop button is also arranged on the front side of the coating cabin 1. Once an abnormal situation occurs, the operator can immediately press the button to quickly cut off the power supply, ensuring the safety of the equipment and the operator.

[0009] Preferably, the surface of the clamping cavity 15 is provided with a winding roller 14 through a sliding block, and the inside of the vacuum chamber 9 below the clamping cavity 15 is provided with an electric heating element 12. The electric heating element 12 is used to uniformly heat the substrate during the coating process to improve the coating quality. The bottom of the vacuum chamber 9 is provided with a vacuum pump interface 13. The vacuum pump is connected through the interface, which can effectively control the pressure in the vacuum chamber and ensure the vacuum degree of the coating environment. The sidewall of the vacuum chamber 9 is also provided with a temperature sensor 11 for real-time monitoring and control of the temperature of the electric heating element 12 to ensure that the coating process is carried out under the best temperature conditions.

[0010] Preferably, the electric heating element 12, the oil immersion sealing box 19 and the auxiliary roller 21 are connected through the transmission belt 20, and the surface of the main transmission roller 22 is provided with a docking ring 23. The docking ring 23 is used to fix the substrate to ensure the accuracy of the position of the substrate during the coating process. The coating equipment also includes a temperature control system which can automatically adjust the power of the electric heating element 12 according to the data provided by the temperature sensor 11 to maintain the set heating temperature.

[0011] Preferably, the inside of the vacuum chamber 9 on one side of the metal evaporator 10 is provided with a protective film 16, and the end of the protective film 16 is connected with a feeding assembly 17, and the inside of the vacuum chamber 9 on the other side of the double-layer barrier plate 11 is provided with an oil immersion sealing box 19. The metal evaporator 10 is used to evaporate metal materials in a vacuum environment to form a uniform metal film layer, and the feeding assembly 17 is responsible for providing continuous metal wire materials to ensure the continuity and stability of the evaporation process. The oil immersion sealing box 19 seals the vacuum chamber 9 to prevent external air from entering, and reduces the temperature fluctuation in the vacuum chamber through oil immersion to ensure the temperature control accuracy of the coating process. An observation window 24 is also arranged on the top of the vacuum chamber 9 to facilitate the operator to observe the coating process in real time and ensure the coating quality.

[0012] Compared with the prior art, the calcium titanate laminated solar cell coating equipment has the advantages that the protective sleeve is installed, the surface friction of the device can be increased, and the anti-impact capacity is achieved to protect the device; the rotating door is installed, the device can be easily opened, and different metal strips to be coated are conveniently installed; the expansion roller is installed, the metal strip can be pressed down and stretched, wrinkles are conveniently removed, the metal strip surface is uniformly coated, the flashing lamp is installed, the internal coating state can be displayed during use, operation is facilitated, the double-layer barrier plate is installed, the heat generated by the metal evaporator can be isolated, the high heat does not cause damage to the internal circuit, the clamping cavity is installed, the height of the winding roller can be adjusted, the metal strip can be tightened or relaxed, the oil immersion sealing box is installed, the transmission belt can be treated by oil immersion, the effect of evaporation coating is offset by using a high ignition point liquid to soak a section of the transmission belt, the electric heating element is installed, the liquid can be evaporated, the subsequent use of the transmission belt is facilitated, the metal evaporator is installed, the protective film is treated by evaporation in the mode of evaporation coating, and the coating on the surface of the metal strip is realized. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a perspective view of the utility model;

[0014] Figure 2 It is a top view internal structure schematic view of the utility model;

[0015] Figure 3 It is a top view structure schematic view of the utility model;

[0016] Figure 4 It is a side view structure schematic view of the utility model.

[0017] In the drawing: 1, coating warehouse; 2, lifting rod; 3, rack; 4, protective sleeve; 5, rotating door; 6, flashing lamp; 7, start button; 8, handle; 9, vacuum chamber; 10, metal evaporator; 11, double-layer barrier plate; 12, electric heating element; 13, expansion roller; 14, winding roller; 15, clamping cavity; 16, protective film; 17, feeding assembly; 18, clamping part; 19, oil immersion sealing box; 20, transmission belt; 21, auxiliary roller; 22, main transmission roller; 23, butt joint ring. DETAILED DESCRIPTION

[0018] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0019] Please refer to Figures 1-4 The utility model provides a kind of embodiment: a kind of perovskite laminated solar cell coating equipment, including coating storehouse 1, vacuum chamber 9, metal evaporator 10 and double layer baffle 11, the surface of metal evaporator 10 is equipped with feeding assembly 17, the inside of vacuum chamber 9 above oil immersion sealed box 19 is equipped with auxiliary roll 21, feeding assembly 17 is used to accurately control metal evaporation rate, ensure the stability of coating process and the uniformity of coating layer, auxiliary roll 21 is then used to support and guide coating material, guarantee the flatness and coating quality of material in coating process, the inside of vacuum chamber 9 above auxiliary roll 21 is equipped with main drive roll 22, the inside of vacuum chamber 9 in main drive roll 22 side is equipped with unrolling roll 13, the inside of vacuum chamber 9 in unrolling roll 13 side is equipped with clamping cavity 15, main drive roll 22 design is used to accurately control the conveying speed and position of coating material, ensure the continuity and uniformity of coating process, unrolling roll 13 is responsible for uniformly spreading coating material, avoid material to appear wrinkle or break in coating process, so as to guarantee coating quality, the effect of clamping cavity 15 is fixed coating material, prevent its displacement in coating process, ensure the accuracy and repeatability of coating, the bottom of coating storehouse 1 is equipped with rack 3, the inside of coating storehouse 1 is provided with vacuum chamber 9, the inside of vacuum chamber 9 is equipped with double layer baffle 11, the inside of vacuum chamber 9 in double layer baffle 11 side is equipped with clamping piece 18, the inside of vacuum chamber 9 in clamping piece 18 side is equipped with metal evaporator 10, the surface of metal evaporator 10 is provided with feeding assembly 17, for accurately control metal evaporation rate, ensure the stability of coating process and the uniformity of coating layer, vacuum chamber 9 is equipped with auxiliary roll 21 on the other side, its effect is to support and guide coating material, guarantee the flatness and coating quality of material in coating process, in the inside of vacuum chamber 9 above auxiliary roll 21, it is equipped with main drive roll 22, and this roller design is used to accurately control the conveying speed and position of coating material, ensure the continuity and uniformity of coating process, the inside of vacuum chamber 9 in main drive roll 22 side is equipped with unrolling roll 13, and it is responsible for uniformly spreading coating material, avoid material to appear wrinkle or break in coating process, so as to guarantee coating quality, the inside of vacuum chamber 9 in unrolling roll 13 side is equipped with clamping cavity 15, and its effect is fixed coating material, prevent its displacement in coating process, ensure the accuracy and repeatability of coating.

[0020] The surface of the coating chamber 1 is provided with a protective sleeve 4, and the surfaces of the two sides of the coating chamber 1 are provided with pull rods 2. The top of the coating chamber 1 is provided with a detachable observation window 5, through which the coating process can be directly monitored, ensuring the transparency of the operation and the real-time evaluation of the coating quality. At the bottom of the coating chamber 1, adjustable supporting feet 6 are provided to adapt to the level requirements of different working environments and ensure the stable operation of the equipment. The top of the coating chamber 1 is provided with a start button 7, and the top of the coating chamber 1 on one side of the start button 7 is provided with a rotating door 5 through a hinge. The surface of the rotating door 5 is provided with a handle 8, and the top of the coating chamber 1 on one side of the rotating door 5 is provided with a flashing light 6. The side of the coating chamber 1 is provided with multiple heat dissipation holes to ensure the heat dissipation effect of the equipment during long-time operation. On the rear side of the coating chamber 1, multiple interfaces are provided, including power supply interface, data transmission interface and control interface, which facilitate users to connect external devices to realize remote control and data monitoring of the coating equipment. The front side of the coating chamber 1 is also provided with an emergency stop button, which can be pressed by the operator immediately in case of abnormal situation to quickly cut off the power supply, ensuring the safety of the equipment and the operator. The surface of the clamping cavity 15 is provided with a winding drum 14 through a sliding block, and the inside of the vacuum chamber 9 below the clamping cavity 15 is provided with an electric heating element 12. The electric heating element 12 is used to uniformly heat the substrate during the coating process to improve the coating quality. The bottom of the vacuum chamber 9 is provided with a vacuum pump interface 13, through which the vacuum pump is connected to effectively control the pressure in the vacuum chamber and ensure the vacuum degree of the coating environment. The sidewall of the vacuum chamber 9 is also provided with a temperature sensor 11 for real-time monitoring and control of the temperature of the electric heating element 12 to ensure that the coating process is carried out under the best temperature conditions.

[0021] The electric heating element 12, oil immersion sealing box 19 and auxiliary roller 21 are connected through a transmission belt 20, and the surface of the main drive roller 22 is provided with a docking ring 23. The docking ring 23 is used to fix the substrate to ensure the accuracy of the substrate position during the coating process. The coating equipment also includes a temperature control system which can automatically adjust the power of the electric heating element 12 according to the data provided by the temperature sensor 11 to maintain the set heating temperature. The inside of the vacuum chamber 9 on one side of the metal evaporation instrument 10 is provided with a protective film 16, and the end of the protective film 16 is connected with a feeding assembly 17. The inside of the vacuum chamber 9 on the other side of the double-layer barrier plate 11 is provided with an oil immersion sealing box 19. The metal evaporation instrument 10 is used to evaporate metal materials in a vacuum environment to form a uniform metal film layer, and the feeding assembly 17 is responsible for providing continuous metal wire materials to ensure the continuity and stability of the evaporation process. The oil immersion sealing box 19 seals the vacuum chamber 9 to prevent external air from entering, and reduces the temperature fluctuation in the vacuum chamber through oil immersion to ensure the temperature control accuracy of the coating process. An observation window 24 is also provided on the top of the vacuum chamber 9 to facilitate the operator to observe the coating process in real time and ensure the coating quality.

[0022] It will be apparent to those skilled in the art that the application is not limited to the details of the above-exemplified embodiments and that the application can be implemented in other particular forms without departing from the spirit or essential characteristics of the application. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. No feature of the application is considered critical unless it is expressly stated in the claims.

Claims

1. A perovskite tandem solar cell coating equipment, comprising a coating cabin (1), a vacuum chamber (9), a metal evaporation instrument (10) and a double-layer barrier plate (11), characterized in that: The surface of the metal evaporator (10) is provided with a feeding assembly (17), the inside of the vacuum chamber (9) above the oil immersion sealing box (19) is provided with an auxiliary roller (21), the inside of the vacuum chamber (9) above the auxiliary roller (21) is provided with a main transmission roller (22), the inside of the vacuum chamber (9) on one side of the main transmission roller (22) is provided with an unfolding roller (13), the inside of the vacuum chamber (9) on one side of the unfolding roller (13) is provided with a clamping cavity (15), the bottom of the coating warehouse (1) is provided with a rack (3), the inside of the coating warehouse (1) is provided with a vacuum chamber (9), the inside of the vacuum chamber (9) is provided with a double-layer barrier plate (11), the inside of the vacuum chamber (9) on one side of the double-layer barrier plate (11) is provided with a clamping piece (18), and the inside of the vacuum chamber (9) on one side of the clamping piece (18) is provided with a metal evaporator (10).

2. The perovskite tandem solar cell coating equipment according to claim 1, characterized in that: The surface of the coating warehouse (1) is provided with a protective sleeve (4), and the surfaces of the two sides of the coating warehouse (1) are provided with pull rods (2).

3. The perovskite tandem solar cell coating equipment according to claim 1, characterized in that: The top of the coating warehouse (1) is provided with a start button (7), the top of the coating warehouse (1) on one side of the start button (7) is provided with a rotating door (5) through a hinge, the surface of the rotating door (5) is provided with a handle (8), and the top of the coating warehouse (1) on one side of the rotating door (5) is provided with a flashing lamp (6).

4. The perovskite tandem solar cell coating equipment according to claim 1, characterized in that: The surface of the clamping cavity (15) is provided with a winding roller (14) through a sliding block, and the inside of the vacuum chamber (9) below the clamping cavity (15) is provided with an electric heating piece (12).

5. The perovskite tandem solar cell coating device according to claim 4, characterized in that: The electric heating piece (12), the oil immersion sealing box (19) and the auxiliary roller (21) are connected through a transmission belt (20), and the surface of the main transmission roller (22) is provided with a butt joint ring (23).

6. The perovskite tandem solar cell coating equipment according to claim 1, characterized in that: The inside of the vacuum chamber (9) on one side of the metal evaporator (10) is provided with a protective film (16), and the end of the protective film (16) is connected with the feeding assembly (17), and the inside of the vacuum chamber (9) on the other side of the double-layer barrier plate (11) is provided with an oil immersion sealing box (19).

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