Perovskite photovoltaic automatic production device

Abstract

The invention discloses a perovskite photovoltaic automatic production device which comprises a base, a coating assembly for realizing coating is arranged on the base through a moving assembly, the coating assembly comprises a coating frame, a coating groove for realizing coating is formed in the coating frame in an up-down penetrating mode, adjusting blocks are arranged in the coating groove in a left-right opposite mode, and the adjusting blocks are arranged in the coating frame in an up-down penetrating mode. The two adjusting blocks are arranged on the coating frame through adjusting assemblies, a first sealing structure used for guaranteeing sealing is arranged between each adjusting block and the coating groove, and a second sealing structure used for guaranteeing sealing is arranged at the upper end of the coating groove. The coating groove is used for coating a perovskite solution, two adjusting blocks are oppositely arranged in the coating groove left and right, the distance between the adjusting blocks can be adjusted through adjusting assemblies, and meanwhile first sealing structures used for guaranteeing sealing are arranged between the adjusting blocks and the coating groove, so that the width in the coating groove can be adjusted through the two adjusting blocks; therefore, the coating device adapts to coating of photovoltaic modules of various specifications.

Description

Technical Field

[0001] The invention belongs to the technical field of perovskite photovoltaic solar cell production, and specifically relates to a perovskite photovoltaic automated production device. Background Art

[0002] In the preparation process of perovskite solar cells, perovskite solution plays a vital role. Perovskite solution is usually prepared by dissolving perovskite precursor materials (such as lead iodide, methylamine iodide, etc.) in organic solvents (such as dimethylformamide, dimethyl sulfoxide, etc.). When making photovoltaic modules, the perovskite solution is usually evenly coated on the anode buffer layer and formed into a high-quality perovskite layer through a specific crystallization process.

[0003] The commonly used coating technology at present is the slit type. In Chinese patent CN115502032A, a slit coating die head for perovskite solution is disclosed, and specifically discloses a left die head and a right die head fixed together by bolts, a protruding die lip portion is set at the bottom of the left die head and the right die head, and a liquid outlet for overflowing the perovskite coating liquid is set in the middle of the die lip portion, a vacuum pipe is set in the left die head and a negative pressure cavity is set in the die lip portion, and an inner sealed cavity is set in the negative pressure cavity; a first cavity and a second cavity are respectively set in the right die head, as well as a liquid inlet channel and a liquid return channel for facilitating the entry and exit of the perovskite coating liquid. In this patent document, the liquid outlet width of the coating die outlet cannot be adjusted. Due to the different sizes of photovoltaic modules, the device can only be used for photovoltaic materials of fixed sizes during coating, which limits its scope of use. Summary of the invention

[0004] The present invention proposes a perovskite photovoltaic automated production device, which can adjust the liquid outlet width so that it can be suitable for coating a variety of photovoltaic materials.

[0005] To this end, the technical solution adopted by the present invention is: a perovskite photovoltaic automation production device,

[0006] It includes a base, on which a coating component for coating is arranged through a moving component, the coating component includes a coating frame, a coating trough for coating is arranged through the upper and lower parts of the coating frame, adjustment blocks are arranged opposite to each other in the left and right parts of the coating trough, two adjustment blocks are arranged on the coating frame through the adjustment component, a first sealing structure for ensuring sealing is arranged between each adjustment block and the coating trough, and a second sealing structure for ensuring sealing is arranged at the upper end of the coating trough.

[0007] As a preferred embodiment of the above scheme, the adjustment component includes an adjustment frame arranged on either side of the front and rear of the coating frame, a fixing groove is arranged in the adjustment frame, an adjustment motor is arranged in the fixing groove, an adjustment screw is extended to the left and right of one end of the adjustment motor, a moving block is screwed on the adjustment screw, a connecting rod is arranged on the moving block, and a connecting plate for connecting to the adjustment block is arranged on the upper end of the connecting rod.

[0008] Further preferably, the first sealing structure includes mounting grooves vertically arranged on the front and rear sides of the adjusting block, each mounting groove is provided with at least two spring telescopic columns spaced apart in upper and lower directions, a sealing strip is provided at the other end of the spring telescopic column, and at least two pairs of electromagnets are spaced apart in upper and lower directions on the surface opposite to the sealing strip and the mounting groove; when the electromagnets are energized, each pair of electromagnets repels each other and pushes the sealing strip toward the coating groove, so that the sealing strip can achieve sealing between the adjusting block and the coating groove.

[0009] Further preferably, the thickness of the sealing strip is greater than the distance between the adjusting block and the coating tank.

[0010] Further preferably, the second sealing structure includes a closing plate extending left and right on the left and right inner side surfaces of each adjusting block, and the upper end of the coating tank is provided with baffles located on the upper and lower sides of the closing plate.

[0011] Further preferably, the coating rack is provided with a detection component for detecting the coating quality, and the detection component is arranged on the other side of the coating rack relative to the adjustment component; the detection component includes a detection fixing plate arranged on the coating rack, and a plurality of detectors for measuring the thickness of the perovskite coating are arranged at intervals on the left and right sides of the detection fixing plate.

[0012] Further preferably, a feeding assembly for feeding the coating tank is arranged above the moving assembly, the feeding assembly includes a storage box, a feeding pipe is arranged on one side of the storage box, a discharge pipe for communicating with the coating tank is arranged on the other side of the storage box, and a feeding valve and a feeding pump are arranged on the discharge pipe, and a mixing assembly capable of producing a perovskite solution is arranged in the storage box.

[0013] Further preferably, the mixing assembly includes a stirring frame rotatably disposed in a storage box and extending left and right, one end of the stirring frame is provided with a stirring motor for driving the stirring frame to rotate after passing through the storage box, and the stirring motor is disposed on one side of the storage box through a stabilizing frame.

[0014] Further preferably, a sealing cover capable of covering the entire coating assembly is provided on the base through an opening and closing assembly, a sealing ring cooperating with the sealing cover is provided on the base, and the opening assembly includes at least four opening and closing telescopic cylinders arranged in a rectangular shape.

[0015] Further preferably, the sealing cover is provided with an oxygen isolation component for injecting a gas that does not react with the perovskite solution into the sealing cover, the oxygen isolation component includes an air inlet arranged at one end of the sealing cover and having an air inlet valve, a side of the sealing cover away from the air inlet is provided with an air outlet with an air outlet valve, and the air outlet is provided with a gas detector for detecting exhaust gas.

[0016] The beneficial effects of the present invention are as follows: the coating tank is used to realize the coating of the perovskite solution, and two adjustment blocks are arranged opposite to each other on the left and right sides of the coating tank, and the adjustment blocks can adjust the distance between the two through the adjustment component, and at the same time, a first sealing structure for ensuring sealing is arranged between the adjustment block and the coating tank, so that the two adjustment blocks can realize the adjustment of the width in the coating tank, thereby adapting to the coating of photovoltaic modules of various specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is the front view of the present invention.

[0018] Figure 2 It is a side view of the present invention.

[0019] Figure 3 It is a schematic diagram of the installation of the detection component in the present invention.

[0020] Figure 4 It is a schematic diagram of the installation of the adjustment component in the present invention.

[0021] Figure 5 It is a schematic diagram of the first sealing structure in the present invention.

[0022] Figure 6 It is a schematic diagram of the second sealing structure in the present invention.

[0023] Figure numerals: base-1, coating rack-2, adjustment block-3, mounting groove-3a, adjustment rack-4, adjustment motor-5, adjustment screw-6, moving block-7, connecting rod-8, connecting plate-9, spring telescopic column-10, sealing strip-11, electromagnet-12, closing plate-13, baffle-14, detection fixing plate-15, detector-16, storage box-17, feeding pipe-18, discharge pipe-19, feeding valve-20, feeding pump-21, stirring rack-22, stirring motor-23, stabilizing rack-24, sealing cover-25, sealing ring-26, opening and closing telescopic cylinder-27, air inlet-28, air outlet-29, gas detector-30, front and rear moving component-31, up and down moving component-32, connecting block-33. DETAILED DESCRIPTION

[0024] The present invention will be further described below by way of embodiments and in conjunction with the accompanying drawings:

[0025] like Figure 1-Figure 6As shown, a perovskite photovoltaic automated production device is mainly composed of a base 1, a moving component and a coating component, wherein the coating component is set on the base 1 through the moving component, the moving component can drive the coating component to move back and forth and up and down, and the coating component is used to achieve uniform coating of the perovskite solution.

[0026] The coating assembly includes a coating frame 2, a coating tank for coating is provided in the coating frame 2 from top to bottom, and adjustment blocks 3 are provided in the coating tank from left to right, and two adjustment blocks 3 are provided on the coating frame 2 through an adjustment assembly, and the adjustment assembly can adjust the relative distance between the two adjustment blocks, so that the width of the coating tank is adjustable, so as to be suitable for coating work of photovoltaic modules of different sizes. In order to prevent the perovskite solution from failing, a first sealing structure for ensuring sealing is provided between each adjustment block 3 and the coating tank, and a second sealing structure for ensuring sealing is provided at the upper end of the coating tank.

[0027] The adjustment assembly includes an adjustment frame 4 arranged on either side of the coating frame 2, a fixing slot is arranged in the adjustment frame 4, an adjustment motor 5 is arranged in the fixing slot, an adjustment screw rod 6 is extended to the left and right of one end of the adjustment motor 5, a moving block 7 is screwed on the adjustment screw rod 6, a connecting rod 8 is arranged on the moving block 7, and a connecting plate 9 for connecting with the adjustment block 3 is arranged at the upper end of the connecting rod 8. That is, the movement of the adjustment block can be realized by the operation of the adjustment motor, so as to adjust the relative distance between the two adjustment blocks.

[0028] Between the two adjustment blocks and the adjustment assembly, each adjustment block may be provided with an adjustment assembly, or the two adjustment blocks may be provided on the same adjustment assembly. When the two adjustment blocks are provided on the same adjustment assembly, the adjustment motor may be provided in the middle, in which case the adjustment motor may be a motor with dual output ends, so that each output end is provided with an adjustment screw, and the threads of the two adjustment screws are in opposite directions, or the adjustment motor may be provided at one end, in which case the adjustment screw is provided with two threads in opposite directions.

[0029] The first sealing structure includes a mounting groove 3a vertically arranged on the front and rear sides of the adjustment block 3, at least two spring telescopic columns 10 are arranged at intervals in the mounting groove 3a, a sealing strip 11 is arranged at the other end of the spring telescopic column 10, and the thickness of the sealing strip 11 is greater than the distance between the adjustment block and the coating groove, and at least two pairs of electromagnets 12 are arranged at intervals in the upper and lower directions on the opposite surface of the sealing strip 11 and the mounting groove 4a. When the electromagnets are energized, each pair of electromagnets repels each other and pushes the sealing strip toward the coating groove, so that the sealing strip 11 can achieve the seal between the adjustment block 3 and the coating groove. When the electromagnets are de-energized, the sealing strip returns to its original position under the action of the spring telescopic column, which is convenient for adjusting the position of the adjustment block. The spring telescopic column can adopt two internal and external adjustment tubes in the prior art, and a spring structure is arranged between the internal and external tubes.

[0030] The second sealing structure includes a closing plate 13 extending from left to right on the left and right inner sides of each adjusting block 3, and baffles 14 are provided at the upper end of the coating tank and located on the upper and lower sides of the closing plate 13. The two closing plates can be arranged in a manner of inner and outer movable sleeve connection, in which case the outer closing plate contacts the upper and lower baffles, and the inner closing plate will not completely separate from the outer closing plate during the entire adjustment process. It can also be arranged in a manner of left and right relative connection, and when this structure is adopted, the closing plates on both sides need to contact the baffles during the entire process.

[0031] To ensure the coating effect, a detection component for detecting the coating quality is provided on the coating frame 2, and the detection component is provided on the other side of the coating frame 2 relative to the adjustment component. The detection component includes a detection fixing plate 15 provided on the coating frame 2, and a plurality of detectors 16 for measuring the thickness of the perovskite coating are provided on the detection fixing plate 15 at intervals on the left and right.

[0032] In order to facilitate the supply of perovskite solution, a feeding assembly for feeding the coating tank is arranged above the moving assembly. The feeding assembly includes a storage box 17, a feeding pipe 18 is arranged on one side of the storage box 17, and a discharge pipe 19 for communicating with the coating tank is arranged on the other side of the storage box 17, and a feeding valve 20 and a feeding pump 21 are arranged on the discharge pipe 19.

[0033] Preferably, a mixing assembly capable of making a perovskite solution is provided in the storage box 17. The mixing assembly includes a stirring frame 22 rotatably provided in the storage box 17 and extending left and right, one end of the stirring frame 22 passes through the storage box and is provided with a stirring motor 23 for driving the stirring frame 22 to rotate, and the stirring motor 23 is provided on one side of the storage box 17 through a stabilizing frame 24.

[0034] To further ensure the sealing of the entire feeding assembly and coating assembly, a sealing cover 25 that can cover the entire coating assembly is provided on the base 1 through the opening and closing assembly, and a sealing ring 26 that cooperates with the sealing cover 25 is provided on the base 1. The opening assembly includes at least four opening and closing telescopic cylinders 27 arranged in a rectangular shape.

[0035] The sealing cover 25 is provided with an oxygen isolation component for injecting a gas that does not react with the perovskite solution into the sealing cover 25. The oxygen isolation component includes an air inlet 28 provided at one end of the sealing cover 25 and having an air inlet valve, an air outlet 29 provided at a side of the sealing cover 25 away from the air inlet 28 and having an air outlet valve, and a gas detector 30 for detecting exhaust gas is provided at the air outlet 29.

[0036] There are two movable components arranged symmetrically on the left and right, and the coating component is located between the two movable components, each movable component includes a front-to-back movable component 31 and an up-and-down movable component 32, the front-to-back movable component 31 is arranged on the base 1, and the up-and-down movable component 32 is arranged on the front-to-back movable component 31, the front-to-back movable component 31 and the up-and-down movable component 32 both adopt screw module movable components, and the coating frame is arranged on the movable end of the up-and-down movable component 32 through the corresponding connecting block 33.

[0037] During coating, the photovoltaic module is placed on the base, the sealing cover is closed by the opening and closing assembly, and then the gas that does not react with the perovskite solution is injected into the sealing cover through the oxygen isolation assembly. The position between the two adjustment blocks is adjusted by the adjustment assembly, and the perovskite solution is provided by the feeding assembly, and the slit coating is realized through the coating slot.

Claims

1. A perovskite photovoltaic automated production device, characterized in that: The invention comprises a base (1), wherein a coating component for coating is arranged on the base (1) via a moving component, wherein the coating component comprises a coating frame (2), wherein a coating slot for coating is arranged vertically through the coating frame (2), wherein adjustment blocks (3) are arranged opposite to each other on the left and right sides of the coating slot, wherein two adjustment blocks (3) are arranged on the coating frame (2) via the adjustment component, wherein a first sealing structure for ensuring sealing is arranged between each adjustment block (3) and the coating slot, and wherein a second sealing structure for ensuring sealing is arranged at the upper end of the coating slot.

2. The perovskite photovoltaic automated production device according to claim 1, characterized in that: The adjustment assembly comprises an adjustment frame (4) arranged on either side of the coating frame (2), a fixing groove being arranged in the adjustment frame (4), an adjustment motor (5) being arranged in the fixing groove, an adjustment screw rod (6) extending to the left and right of one end of the adjustment motor (5), a moving block (7) being screwed on the adjustment screw rod (6), a connecting rod (8) being arranged on the moving block (7), and a connecting plate (9) being arranged at the upper end of the connecting rod (8) for connecting with the adjustment block (3).

3. The perovskite photovoltaic automated production device according to claim 1, characterized in that: The first sealing structure comprises mounting grooves (3a) vertically arranged on both sides of the front and rear of the adjusting block (3), each mounting groove (3a) being provided with at least two spring telescopic columns (10) spaced apart from each other, a sealing strip (11) being provided at the other end of the spring telescopic column (10), at least two pairs of electromagnets (12) being spaced apart from each other on the surface of the sealing strip (11) opposite to the mounting groove (4a), when the electromagnets are energized, the pair of electromagnets repel each other and push the sealing strip toward the coating groove, thereby enabling the sealing strip (11) to achieve sealing between the adjusting block (3) and the coating groove.

4. The perovskite photovoltaic automated production device according to claim 3, characterized in that: The thickness of the sealing strip (11) is greater than the distance between the adjustment block and the coating tank.

5. The perovskite photovoltaic automated production device according to claim 1, characterized in that: The second sealing structure comprises a closing plate (13) extending left and right on the left and right inner side surfaces of each adjusting block (3), and a baffle (14) located on the upper and lower sides of the closing plate (13) is provided at the upper end of the coating tank.

6. The perovskite photovoltaic automated production device according to claim 1, characterized in that: The coating frame (2) is provided with a detection component for detecting coating quality, and the detection component is arranged on the other side of the coating frame (2) relative to the adjustment component; the detection component comprises a detection fixing plate (15) arranged on the coating frame (2), and a plurality of detectors (16) for measuring the thickness of the perovskite coating are arranged on the left and right of the detection fixing plate (15) at intervals.

7. The perovskite photovoltaic automated production device according to claim 1, characterized in that: A feeding assembly for feeding the coating tank is arranged above the moving assembly, and the feeding assembly comprises a storage box (17), a feeding pipe (18) is arranged on one side of the storage box (17), a discharge pipe (19) for communicating with the coating tank is arranged on the other side of the storage box (17), and a feeding valve (20) and a feeding pump (21) are arranged on the discharge pipe (19), and a mixing assembly capable of producing a perovskite solution is arranged in the storage box (17).

8. The perovskite photovoltaic automated production device according to claim 7, characterized in that: The mixing assembly comprises a stirring frame (22) rotatably arranged in a storage box (17) and extending left and right, one end of the stirring frame (22) passing through the storage box is provided with a stirring motor (23) for driving the stirring frame (22) to rotate, and the stirring motor (23) is arranged on one side of the storage box (17) via a stabilizing frame (24).

9. The perovskite photovoltaic automated production device according to claim 1, characterized in that: The base (1) is provided with a sealing cover (25) capable of covering the entire coating assembly through an opening and closing assembly, the base (1) is provided with a sealing ring (26) that cooperates with the sealing cover (25), and the opening assembly includes at least four opening and closing telescopic cylinders (27) arranged in a rectangular shape.

10. The perovskite photovoltaic automated production device according to claim 9, characterized in that: The sealing cover (25) is provided with an oxygen isolation component for injecting a gas that does not react with the perovskite solution into the sealing cover (25), the oxygen isolation component comprising an air inlet (28) provided at one end of the sealing cover (25) and having an air inlet valve, a side of the sealing cover (25) away from the air inlet (28) is provided with an air outlet (29) with an air outlet valve, and the air outlet (29) is provided with a gas detector (30) for detecting exhaust gas.

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