CN220160409U - Component for preparing perovskite battery film by anti-solvent method - Google Patents
Component for preparing perovskite battery film by anti-solvent method Download PDFInfo
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- CN220160409U CN220160409U CN202321637267.2U CN202321637267U CN220160409U CN 220160409 U CN220160409 U CN 220160409U CN 202321637267 U CN202321637267 U CN 202321637267U CN 220160409 U CN220160409 U CN 220160409U
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000012296 anti-solvent Substances 0.000 title claims abstract description 13
- 238000004528 spin coating Methods 0.000 claims abstract description 80
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 238000002360 preparation method Methods 0.000 claims abstract description 15
- 239000003814 drug Substances 0.000 claims abstract description 8
- 229940079593 drug Drugs 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 23
- 238000003825 pressing Methods 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 10
- 210000000170 cell membrane Anatomy 0.000 claims 1
- 239000002904 solvent Substances 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000010408 film Substances 0.000 description 20
- 239000007788 liquid Substances 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013082 photovoltaic technology Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
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Abstract
The utility model discloses a component for preparing a perovskite battery film by an anti-solvent method, which comprises an electric spin coating gun and a rotary lifting mechanism; the electric spin coating gun is detachably arranged on the rotary lifting mechanism and is used for sucking and releasing spin coating medicines through electric control; the rotary lifting mechanism can rotate and lift, and drives the electric spin coating gun to rotate and lift along with the rotary lifting mechanism, so that the position of the electric spin coating gun is adjusted. According to the utility model, the spin coating height and position can be arbitrarily adjusted through the rotary lifting mechanism, the spin coating precision of the solution can be improved through adopting the electric spin coating gun, the spin coating requirements of solvents with different capacities are met, and the components are detachably connected, so that the vulnerable parts in the solution can be replaced more easily, the maintenance is more convenient, the cost is lower, the operation is more convenient, and the preparation efficiency of the perovskite film can be effectively improved.
Description
Technical Field
The utility model relates to the technical field of perovskite battery film preparation, in particular to a component for preparing a perovskite battery film by an anti-solvent method.
Background
In recent years, the energy conversion efficiency of perovskite solar cells is rapidly improved, and the perovskite solar cells are considered as one of the most promising photovoltaic technologies, and the quality of thin film preparation in perovskite directly determines the efficiency of the perovskite cells. When the antisolvent is spun to prepare the film, factors such as spin speed, dripping volume and the like of the antisolvent directly influence the success or failure of the film preparation.
In the experimental development process, spin coating is mostly carried out in a closed glove box with inconvenient operation due to environmental limitation of film preparation, and experimenters mostly adopt a mode of manually holding a manual pipette to carry out spin coating preparation on a battery film, so that solution suction amount errors are large, spin coating speed and liquid drop volume are uneven, spin coating height and time are difficult to control in the spin coating process, film preparation failure and inaccurate experimental conclusion are caused, and experimental development and efficiency breakthrough and popularization of perovskite batteries are greatly influenced.
Therefore, an assembly capable of realizing accurate spin coating of perovskite battery film preparation and convenient to operate is urgently needed to improve the perovskite battery film preparation efficiency and spin coating precision, so that experimental development efficiency and mass production use of perovskite batteries are promoted.
Disclosure of Invention
In view of the above, the present utility model aims to provide an assembly for preparing a perovskite battery film by an antisolvent method.
The technical scheme of the utility model is as follows:
an assembly for preparing a perovskite battery film by an anti-solvent method comprises an electric spin coating gun and a rotary lifting mechanism;
the electric spin coating gun is detachably arranged on the rotary lifting mechanism and is used for sucking and releasing spin coating medicines through electric control;
the rotary lifting mechanism can rotate and lift, and drives the electric spin coating gun to rotate and lift along with the rotary lifting mechanism, so that the position of the electric spin coating gun is adjusted.
Preferably, the electric spin coating gun comprises a shell and a gun head which are detachably connected;
an upper cavity and a lower cavity which are communicated are arranged in the shell, and the inner diameter of the lower cavity is smaller than that of the upper cavity;
a stepping motor is arranged in the upper cavity, the stepping motor is fixed by pressing through a pressing plate, and the pressing plate is connected with the top of the shell through a pressing plate screw;
an outer screw nut fixing cylinder, an outer screw nut and a screw rod are sequentially arranged in the lower cavity from outside to inside, a piston is arranged at the bottom of the outer screw nut, and the top of the screw rod is connected with the output end of the stepping motor; the inner surface of the outer screw nut fixing cylinder and the outer surface of the outer screw nut are identical in section shape and are non-circular in section, so that the outer screw nut can only move in the axial direction under the driving of screw rotation.
Preferably, the housing comprises an upper housing and a lower housing which are detachably connected.
Preferably, the lower shell comprises a lower shell body and a piston cylinder from outside to inside, the lower shell body and the piston cylinder are detachably connected through step fit, and the inner diameter of the piston cylinder is matched with the outer diameter of the piston.
Preferably, a piston sealing ring is arranged between the piston and the shell, a gun head sealing ring is arranged between the gun head and the shell, and a rubber gasket is arranged between the upper shell and the piston cylinder.
Preferably, a lug is arranged at the top of the outer screw nut fixing cylinder, and the lug is connected with the shell at the bottom of the upper cavity through a fixing cylinder screw.
Preferably, the inner surface of the outer screw nut fixing cylinder and the outer surface of the outer screw nut are both hexagonal in cross section.
Preferably, the rotary lifting mechanism comprises a base, a hand wheel, a transmission shaft, a drive bevel gear, a lifting screw rod, a fixing frame, a lifting frame, a rotary guide rail and a sliding block;
the base is of a hollow cavity structure with a top-free upper end, the transmission shaft is horizontally and rotatably arranged in the hollow cavity of the base, and the left end of the transmission shaft penetrates out of the base to be connected with the hand wheel; the drive bevel gear is sleeved on a transmission shaft in the base cavity, and a transmission key is arranged between the drive bevel gear and the transmission shaft;
a positioning sleeve is arranged between the left end of the transmission shaft and the base, the right end of the positioning sleeve is abutted against the drive bevel gear, the left end of the positioning sleeve is limited through a top cover, and the top cover is connected with the base through a top cover bolt;
the lifting screw rod comprises a bevel gear section and a thread section which are vertically connected, and the bevel gear section is meshed and connected with the drive bevel gear;
the lifting frame comprises a first frame body section, a second frame body section, a third frame body section and a fourth frame body section which are sequentially arranged from top to bottom, and the fixing frame comprises a horizontal section and a vertical section which are vertically connected; the cross section shapes of the outer surfaces of the third frame section and the fourth frame section and the inner surface of the vertical section are the same and are non-circular;
the maximum outer diameter of the second frame section is larger than the maximum outer diameters of the rest frame sections and the maximum inner diameter of the vertical section, the inner diameters of the first frame section, the second frame section and the third frame section are the same and larger than the inner diameter of the fourth frame section, and threads matched with the lifting screw rod thread sections are arranged on the inner surface of the fourth frame section; the lifting frame is sleeved on the outer surface of the lifting screw rod and is in threaded connection with the frame body section IV through the threaded section; the horizontal section of the fixing frame is connected with the base through a fixing frame bolt, the threaded section of the lifting screw rod penetrates out of the horizontal section of the fixing frame and is provided with a clamp spring with the horizontal section of the fixing frame, and the vertical section of the fixing frame is sleeved on the outer surfaces of the lifting frame body section III and the lifting frame body section IV;
the rotating guide rail comprises a rotating section and a horizontal section which are connected, the rotating section of the rotating guide rail is rotatably sleeved on the outer surface of the first lifting frame body section, and the sliding block is slidably arranged on the horizontal section of the rotating guide rail; the electric spin coating gun is detachably connected with the sliding block.
Preferably, the outer surfaces of the third frame section, the fourth frame section and the inner surface of the vertical section are square cross sections.
Preferably, the hand wheel is also provided with a handle.
The beneficial effects of the utility model are as follows:
1. according to the utility model, the spin coating height and position can be arbitrarily adjusted through the rotary lifting mechanism, the spin coating precision of the solution can be improved by adopting an electric spin coating gun, the spin coating requirements of solvents with different capacities are met, and the preparation efficiency of the perovskite film can be effectively improved;
2. the rotating lifting mechanism can randomly adjust the spin coating height by utilizing the principle of screw transmission and rotating the hand wheel, does not need additional auxiliary power for height control, is convenient to operate, and solves the problems of manual shaking, difficult control of the spin coating height and the like during manual spin coating;
3. the electric spin coating gun adopts a scheme of transmission of the stepping motor and the miniature screw rod, and the up-and-down stroke of the piston can be accurately controlled by controlling the forward rotation and the reverse rotation of the stepping motor and the number of rotation turns; meanwhile, the movement speed of the piston is controlled by different rotation speeds of the stepping motor, so that the liquid column speed control of the gun head during spin coating is realized, and the problems that films are scattered or uneven due to inaccurate liquid absorption amount and too high or too low spin coating speed during manual spin coating and finally the preparation fails are avoided;
4. the electric spin coating gun adopts a two-section structure of the upper and lower shells, the piston, the gun head and the like are replaceable accessories, when the liquid medicine pollutes an internal component or sealing elements such as the piston and the like fail, the failed components can be replaced and maintained by disassembling the upper and lower shells, and the operation is simple and the maintenance cost is low;
5. the lower shell of the electric spin coating gun adopts a detachable structure of the lower shell body and the piston cylinder, and the lower shell can adapt to the requirements of different spin coating liquid absorption amounts by replacing the piston cylinders with different inner diameters and the pistons with different outer diameters matched with the piston cylinders.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic structural diagram of an assembly of the present utility model for preparing a perovskite battery film by an antisolvent method;
FIG. 2 is a schematic structural view of an embodiment of the electric spin coating gun of the present utility model;
FIG. 3 is a schematic view of a partial top view of the electric spin coating gun D-D of FIG. 2;
FIG. 4 is a schematic perspective view of the electric spin coating gun of FIG. 2;
fig. 5 is a schematic structural view of a rotary lifting mechanism according to an embodiment of the present utility model.
Reference numerals in the drawings: the device comprises an A-electric spin coating gun, a B-rotary lifting mechanism, a C-spin coater, a 1-pressing plate, a 2-pressing plate screw, a 3-upper shell, a 4-stepping motor, a 5-fixed cylinder screw, a 6-outer screw nut fixed cylinder, a 7-outer screw nut, an 8-screw, a 9-lower shell, a 10-rubber gasket, an 11-piston, a 12-piston cylinder, a 13-gun head, a 14-gun head sealing ring, a 15-piston sealing ring, a 16-rotary guide rail, a 17-lifting frame, an 18-lifting screw rod, a 19-fixing frame, a 20-clamp spring, a 21-fixing frame bolt, a 22-base, a 23-hand wheel, a 24-top cover bolt, a 25-top cover, a 26-positioning sleeve, a 27-driving bevel gear, a 28-transmission key, a 29-transmission shaft and a 30-sliding block.
Detailed Description
The utility model will be further described with reference to the drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and the technical features of the embodiments may be combined with each other. It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs unless otherwise indicated.
In the present utility model, the terms "first," "second," and the like, when used in the context of a description, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terminology so used; the terms "upper", "lower", "left", "right" and the like are used generally with respect to the orientation shown in the drawings or with respect to the component itself in a vertical, vertical or gravitational orientation; also, for ease of understanding and description, "inner", "outer", and the like refer to inner and outer relative to the contours of the components themselves. The above directional terms are not intended to limit the present utility model.
As shown in fig. 1-5, an assembly for preparing a perovskite battery film by an anti-solvent method comprises an electric spin coating gun a and a rotary lifting mechanism B;
the electric spin coating gun A is detachably arranged on the rotary lifting mechanism B and is used for sucking and releasing spin coating medicines through electric control;
the rotary lifting mechanism B can rotate and lift, and drives the electric spin coating gun A to rotate and lift along with the rotary lifting mechanism B, so that the position of the electric spin coating gun A is adjusted.
In the above embodiment, the height and the position of the electric spin coating gun a can be arbitrarily adjusted by the rotary lifting mechanism B, so that the spin coating height and the position of the spin coating can be arbitrarily adjusted, the spin coating precision of the solution can be improved by adopting the electric spin coating gun a, the spin coating requirements of solvents with different capacities can be met, and the preparation efficiency of the perovskite film can be effectively improved.
In a specific embodiment, the electric spin coating gun A comprises a shell and a gun head 13 which are detachably connected;
an upper cavity and a lower cavity which are communicated are arranged in the shell, and the inner diameter of the lower cavity is smaller than that of the upper cavity;
a stepping motor 4 is arranged in the upper cavity, the stepping motor 4 is fixed by pressing through a pressing plate 1, and the pressing plate 1 is connected with the top of the shell through a pressing plate screw 2;
an outer screw nut fixing cylinder 6, an outer screw nut 7 and a screw rod 8 are sequentially arranged in the lower cavity from outside to inside, a piston 11 is arranged at the bottom of the outer screw nut 7, and the top of the screw rod 8 is connected with the output end of the stepping motor 4; the inner surface of the outer screw nut fixing cylinder 6 has the same cross section shape as the outer surface of the outer screw nut 7 and is a non-circular cross section, so that the outer screw nut 7 can only move in the axial direction under the driving of the rotation of the screw 8.
In a specific embodiment, the housing comprises an upper housing 3 and a lower housing 9 which are detachably connected, the lower housing 9 comprises a lower housing body and a piston cylinder 12 from outside to inside, the lower housing body and the piston cylinder 12 are detachably connected through step fit, and the inner diameter of the piston cylinder 12 is matched with the outer diameter of the piston 11. Optionally, threads are provided on the lower outer wall E of the upper housing 3 to detachably connect with the lower housing 9 through the threads.
In the above embodiment, the liquid storage amount of the electric spin coating gun a can be adjusted by replacing the piston cylinder 12 with different inner diameters and the piston 11 with different outer diameters matched with the piston cylinder, so as to meet the requirements of different spin coating liquid absorption amounts.
In order to improve the sealing performance of the electric spin coating gun A, optionally, a piston sealing ring 15 is arranged between the piston 11 and the shell, and a gun head sealing ring 14 is arranged between the gun head 13 and the shell. Optionally, a rubber gasket 10 is arranged between the upper casing 3 and the piston cylinder 12, and the rubber gasket 10 can buffer the screw thread pretightening force between the upper casing and the lower casing when the parts are replaced, so that the service life of the parts is prolonged.
In a specific embodiment, the top of the outer screw nut fixing cylinder 6 is provided with a lug, and the lug is connected with the shell at the bottom of the upper cavity through a fixing cylinder screw 5; the inner surface of the outer screw nut fixing cylinder 6 and the outer surface of the outer screw nut 7 are both hexagonal in cross section. The hexagonal cross section is only a non-circular cross section preferable in the present embodiment, and any non-circular cross section that can prevent the rotation of the outer lead screw nut 7 may be applied to the present utility model.
In order to make the present utility model more intelligent, optionally, a stepper motor interface is provided at the middle F of the pressing plate 1 for inputting the rotation signal and the electric energy of the stepper motor 4, which is the prior art, and the specific structure is not described herein.
It should be noted that, the electric spin gun a in each of the above embodiments is only a preferred electric spin gun structure of the present utility model, and other electric spin guns in the prior art may be applied to the present utility model.
In a specific embodiment, the rotating and lifting mechanism B comprises a base 22, a hand wheel 23, a transmission shaft 29, a drive bevel gear 27, a lifting screw 18, a fixing frame 19, a lifting frame 17, a rotating guide rail 16 and a sliding block 30;
the base 22 is of a hollow structure with a top-free upper end, the transmission shaft 29 is horizontally and rotatably arranged in the hollow of the base 22, and the left end of the transmission shaft 29 penetrates out of the base 22 to be connected with the hand wheel 23; the drive bevel gear 27 is sleeved on a transmission shaft 29 in the cavity of the base 22, and a transmission key 28 is arranged between the drive bevel gear 27 and the transmission shaft 29;
a positioning sleeve 26 is arranged between the left end of the transmission shaft 29 and the base 22, the right end of the positioning sleeve 26 is abutted against the drive bevel gear 27, the left end of the positioning sleeve 26 is limited by a top cover 25, and the top cover 25 is connected with the base 22 by a top cover bolt 24;
the lifting screw 18 comprises a bevel gear section and a thread section which are vertically connected, and the bevel gear section is meshed with the drive bevel gear 27;
the lifting frame 17 comprises a first frame body section, a second frame body section, a third frame body section and a fourth frame body section which are sequentially arranged from top to bottom, and the fixing frame 19 comprises a horizontal section and a vertical section which are vertically connected; the cross section shapes of the outer surfaces of the third frame section and the fourth frame section and the inner surface of the vertical section are the same and are non-circular;
the maximum outer diameter of the second frame section is larger than the maximum outer diameters of the rest frame sections and the maximum inner diameter of the vertical section, the inner diameters of the first frame section, the second frame section and the third frame section are the same and larger than the inner diameter of the fourth frame section, and threads matched with the threaded sections of the lifting screw rod 18 are arranged on the inner surface of the fourth frame section; the lifting frame 17 is sleeved on the outer surface of the lifting screw rod 18 and is in threaded connection with the frame body section IV through the threaded section; the horizontal section of the fixing frame 19 is connected with the base 22 through a fixing frame bolt 21, the threaded section of the lifting screw rod 18 penetrates out of the horizontal section of the fixing frame 19 and a clamp spring 20 is arranged between the threaded section of the lifting screw rod and the horizontal section of the fixing frame 19, and the vertical section of the fixing frame 19 is sleeved on the outer surfaces of the third frame body section and the fourth frame body section of the lifting frame 17;
the rotary guide rail 16 comprises a rotary section and a horizontal section which are connected, the rotary section of the rotary guide rail 16 is rotatably sleeved on the outer surface of the first frame body section of the lifting frame 17, and the sliding block 30 is slidably arranged on the horizontal section of the rotary guide rail 16; the electric spin coating gun A is detachably connected with the sliding block 30.
In a specific embodiment, the outer surfaces of the third frame section, the fourth frame section and the inner surface of the vertical section are square cross sections, and a handle is further provided on the hand wheel 23. The square cross section is only a non-circular cross section preferable in the present embodiment, and any non-circular cross section that can prevent the rotation of the lifter 17 may be applied to the present utility model.
In a specific embodiment, the side surface of the sliding block 30 is provided with a circular ring, and the outer diameter of the upper part of the shell of the electric spin coating gun A is larger than the outer diameter of the lower part of the shell of the electric spin coating gun A, so that the electric spin coating gun A can be installed in the circular ring of the sliding block 30 in a limited mode. It should be noted that the detachable structure of this embodiment is only a preferred embodiment, and other manners of enabling the detachable installation of the detachable structure and the detachable structure may be applicable to the present utility model.
The rotary lifting mechanism B of each of the above embodiments is only a preferred rotary lifting mechanism structure of the present utility model, and other rotary lifting mechanisms capable of realizing the rotation and lifting functions in the prior art may be applied to the present utility model.
In an embodiment of preparing the perovskite battery film by using the utility model, a spin coater is adopted to match the perovskite battery film, and the application principle of the utility model is as follows:
when the medicine is sucked, the stepping motor 4 in the electric spin coating gun A rotates through the rotating speed, the rotating number and the forward rotation signal input at the F position of the interface of the external signal system, and drives the screw rod 8 connected with the output shaft of the stepping motor 4 to rotate together; the outer screw nut 7 is driven by being matched with the screw rod 8, and due to the fact that the hexagonal section of the outer screw nut 7 is matched with the hexagonal section of the outer screw nut fixing cylinder 6, the rotation of the outer screw nut 7 is limited, the outer screw nut 7 can only move upwards axially, the piston 11 connected with the outer screw nut 7 is further driven to move upwards for a specific distance based on the number of positive rotation turns of the stepping motor 4, and accurate suction of the medicine dosage is completed.
When spin coating is prepared, the electric spin coating gun A is mounted on the spin coating gun slide block 30 of the rotary lifting mechanism B, the battery preparation assembly is placed on the spin coating machine C to rotate at a constant speed, and the spin coating gun slide block 30 arranged on the rotary guide rail 16 is adjusted simultaneously by rotating the rotary guide rail 16 in the rotary lifting mechanism B, so that the gun head 13 of the electric spin coating gun A is positioned right above the battery assembly. Simultaneously, the hand wheel 23 is rotated, so that the driving bevel gear 27 drives the lifting screw rod 18 to rotate, the height of the lifting frame is adjusted, and the distance between the gun head 13 of the electric spin coating gun A and the battery assembly on the spin coating machine C is adjusted according to requirements.
During spin coating, the stepping motor 4 rotates again through the rotating speed, the rotating number of turns and the reversing signal input by the F part of the interface of the external signal system, and the principle of absorbing medicines is the same, the piston 11 moves downwards by a specific distance based on the reversing number of turns of the stepping motor 4, and meanwhile, the speed of the piston 11 moving downwards is based on the reversing rotating speed of the stepping motor 4, so that the liquid column flow rate of the spin coating gun head is controlled by controlling the rotating speed of the stepping motor 4, and the problems that films are scattered or uneven due to inaccurate liquid absorption amount and too high or too low spin coating speed during manual spin coating are avoided, and finally the preparation failure is caused.
The present utility model is not limited to the above-mentioned embodiments, but is intended to be limited to the following embodiments, and any modifications, equivalents and modifications can be made to the above-mentioned embodiments without departing from the scope of the utility model.
Claims (10)
1. The component for preparing the perovskite battery film by the anti-solvent method is characterized by comprising an electric spin coating gun and a rotary lifting mechanism;
the electric spin coating gun is detachably arranged on the rotary lifting mechanism and is used for sucking and releasing spin coating medicines through electric control;
the rotary lifting mechanism can rotate and lift, and drives the electric spin coating gun to rotate and lift along with the rotary lifting mechanism, so that the position of the electric spin coating gun is adjusted.
2. The assembly for preparing a perovskite battery film as claimed in claim 1 wherein the electric spin coating gun comprises a housing and a gun head removably connected;
an upper cavity and a lower cavity which are communicated are arranged in the shell, and the inner diameter of the lower cavity is smaller than that of the upper cavity;
a stepping motor is arranged in the upper cavity, the stepping motor is fixed by pressing through a pressing plate, and the pressing plate is connected with the top of the shell through a pressing plate screw;
an outer screw nut fixing cylinder, an outer screw nut and a screw rod are sequentially arranged in the lower cavity from outside to inside, a piston is arranged at the bottom of the outer screw nut, and the top of the screw rod is connected with the output end of the stepping motor; the inner surface of the outer screw nut fixing cylinder and the outer surface of the outer screw nut are identical in section shape and are non-circular in section, so that the outer screw nut can only move in the axial direction under the driving of screw rotation.
3. The assembly for antisolvent-process preparation of a perovskite cell membrane according to claim 2, wherein the housing comprises an upper housing and a lower housing that are detachably connected.
4. An assembly for preparing a perovskite battery film by an antisolvent method according to claim 3, wherein the lower housing comprises a lower housing body and a piston cylinder from outside to inside, the lower housing body and the piston cylinder are detachably connected by a step fit, and the inner diameter of the piston cylinder is matched with the outer diameter of the piston.
5. The assembly for preparing a perovskite battery film according to claim 4, wherein a piston sealing ring is arranged between the piston and the shell, a gun head sealing ring is arranged between the gun head and the shell, and a rubber gasket is arranged between the upper shell and the piston cylinder.
6. The assembly for preparing a perovskite battery film as claimed in claim 2, wherein the top of the outer lead screw nut fixing barrel is provided with a lug, and the lug is connected with a shell at the bottom of the upper cavity through a fixing barrel screw.
7. The assembly for preparing a perovskite battery film as claimed in any one of claims 2 to 6 wherein the inner surface of the outer lead screw nut fixing barrel and the outer surface of the outer lead screw nut are hexagonal in cross section.
8. The assembly for preparing a perovskite battery film by an antisolvent method according to claim 1, wherein the rotary lifting mechanism comprises a base, a hand wheel, a transmission shaft, a drive bevel gear, a lifting screw, a fixing frame, a lifting frame, a rotary guide rail and a sliding block;
the base is of a hollow cavity structure with a top-free upper end, the transmission shaft is horizontally and rotatably arranged in the hollow cavity of the base, and the left end of the transmission shaft penetrates out of the base to be connected with the hand wheel; the drive bevel gear is sleeved on a transmission shaft in the base cavity, and a transmission key is arranged between the drive bevel gear and the transmission shaft;
a positioning sleeve is arranged between the left end of the transmission shaft and the base, the right end of the positioning sleeve is abutted against the drive bevel gear, the left end of the positioning sleeve is limited through a top cover, and the top cover is connected with the base through a top cover bolt;
the lifting screw rod comprises a bevel gear section and a thread section which are vertically connected, and the bevel gear section is meshed and connected with the drive bevel gear;
the lifting frame comprises a first frame body section, a second frame body section, a third frame body section and a fourth frame body section which are sequentially arranged from top to bottom, and the fixing frame comprises a horizontal section and a vertical section which are vertically connected; the cross section shapes of the outer surfaces of the third frame section and the fourth frame section and the inner surface of the vertical section are the same and are non-circular;
the maximum outer diameter of the second frame section is larger than the maximum outer diameters of the rest frame sections and the maximum inner diameter of the vertical section, the inner diameters of the first frame section, the second frame section and the third frame section are the same and larger than the inner diameter of the fourth frame section, and threads matched with the lifting screw rod thread sections are arranged on the inner surface of the fourth frame section; the lifting frame is sleeved on the outer surface of the lifting screw rod and is in threaded connection with the frame body section IV through the threaded section; the horizontal section of the fixing frame is connected with the base through a fixing frame bolt, the threaded section of the lifting screw rod penetrates out of the horizontal section of the fixing frame and is provided with a clamp spring with the horizontal section of the fixing frame, and the vertical section of the fixing frame is sleeved on the outer surfaces of the lifting frame body section III and the lifting frame body section IV;
the rotating guide rail comprises a rotating section and a horizontal section which are connected, the rotating section of the rotating guide rail is rotatably sleeved on the outer surface of the first lifting frame body section, and the sliding block is slidably arranged on the horizontal section of the rotating guide rail; the electric spin coating gun is detachably connected with the sliding block.
9. The assembly for preparing a perovskite battery film as claimed in claim 8 wherein the outer surfaces of the third and fourth frame sections and the inner surface of the vertical section are square in cross-section.
10. The assembly for preparing a perovskite battery film according to claim 8 or 9, wherein a handle is further provided on the hand wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321637267.2U CN220160409U (en) | 2023-06-26 | 2023-06-26 | Component for preparing perovskite battery film by anti-solvent method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321637267.2U CN220160409U (en) | 2023-06-26 | 2023-06-26 | Component for preparing perovskite battery film by anti-solvent method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220160409U true CN220160409U (en) | 2023-12-12 |
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ID=89063530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321637267.2U Active CN220160409U (en) | 2023-06-26 | 2023-06-26 | Component for preparing perovskite battery film by anti-solvent method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220160409U (en) |
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2023
- 2023-06-26 CN CN202321637267.2U patent/CN220160409U/en active Active
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