CN221016964U - Perovskite film brushing device - Google Patents

Abstract

The utility model relates to a perovskite film brushing device applied to the technical field of brushing devices, which comprises a base, wherein a first liquid tank, a second liquid tank and a third liquid tank are formed in the top of the base, supports which are symmetrically arranged are fixedly connected to the two ends of the base, multiple times of brushing can be realized by adopting the design of multiple liquid tanks and multiple coating devices, the coating is ensured to be distributed more uniformly on the film, the pressure can be distributed uniformly in the brushing process by a pressure regulating device, the brushing effect and uniformity are further improved, a plurality of ultrasonic vibrators can provide high-frequency vibration in the brushing process, the coating is distributed more uniformly on the film, the product quality is improved, the accurate control of the coating temperature can be realized by a temperature control device, and the coating can flow into the liquid tanks and contact with a supporting roller and a coating roller under the action of gravity by virtue of the design of a plurality of liquid storage tanks and liquid inlet pipes, so that the efficient utilization and the waste reduction of the coating are realized.

Description

Perovskite film brushing device

Technical Field

The utility model relates to a perovskite film brushing device, in particular to a perovskite film brushing device applied to the technical field of brushing devices.

Background

The perovskite film brushing device is mainly used for preparing perovskite films and is generally applied to manufacturing perovskite solar cells and other photoelectric devices, perovskite is a material with excellent photoelectric properties, and is particularly widely applied in the field of solar cells, a uniform and continuous perovskite film is formed on a substrate through a brushing method, an active layer is provided for the cells or the photoelectric devices, the coating speed and the coating thickness can be precisely controlled to ensure the quality and the performance of the film, the structure and the performance of the film can be optimized through controlling parameters of a brushing process, and the brushing method is a relatively low-cost preparation method which is more economical than other technologies for preparing the film, and can rapidly and efficiently produce a large-area film.

The specification of Chinese patent No. 219702457 discloses a perovskite thin film brushing device, which comprises a bottom frame, wherein the top of the bottom frame is fixedly connected with a conveying mechanism, the top of the bottom frame is fixedly connected with two hydraulic cylinders, the tops of the two hydraulic cylinders are fixedly connected with sliding supporting blocks, a movable frame is movably arranged between the two sliding supporting blocks, and the inside of the movable frame is fixedly connected with a liquid guide box. According to the utility model, the solar cell panel is firstly placed on the conveying mechanism to be conveyed through the underframe as a device support, then the hydraulic cylinder is started to drive the two sliding supporting blocks to descend along the underframe so as to drive the movable frame to descend to drive the liquid guide box to descend, the coating brush assembly descends to contact the surface of the solar cell, then the transfusion mechanism is started to infuse liquid into the liquid guide box, and the coating uniformly flows downwards through the flow equalizing adjusting piece, so that the device has the advantages of small thickness error, good uniformity and smooth and uniform liquid export.

The design makes the coating flow downwards uniformly through the flow equalizing adjusting piece, so that the device has the advantages of small thickness error, good uniformity and smooth and uniform liquid guiding out, but certain limitations exist, such as the coating flows downwards in the process of coating, and the coating is not uniform easily if the solar cell moves at the midway in the process.

Disclosure of utility model

Aiming at the prior art, the utility model aims to solve the technical problem of more uniform brushing of the perovskite film in the brushing process.

In order to solve the problems, the utility model provides a perovskite film brushing device which comprises a base, wherein a first liquid tank, a second liquid tank and a third liquid tank are formed in the top of the base, symmetrically arranged brackets are fixedly connected to the two ends of the base, a plurality of sliding grooves are formed in the symmetrically arranged brackets, coating devices are arranged at the tops of the first liquid tank, the second liquid tank and the third liquid tank, the coating devices are arranged between the symmetrically arranged brackets and are in sliding connection with the sliding grooves, a film is arranged at the tops of the coating devices, a surface to be coated of the film is contacted with the coating devices, a pressure regulating device is arranged at the top of the film, a plurality of ultrasonic vibrators are fixedly connected to the top of the pressure regulating device, temperature control devices are rotatably connected to the coating devices and the pressure regulating device, a plurality of liquid storage tanks are fixedly connected to the top of the base, and liquid inlet pipes are fixedly connected to the bottoms of the liquid storage tanks.

In the perovskite film brushing device, the film is brushed for multiple times through the first liquid tank, the second liquid tank and the third liquid tank and the coating devices matched with the first liquid tank, the second liquid tank and the third liquid tank, the pressure distribution of the film can be uniform in the brushing process through the pressure regulating device, and meanwhile the film can be vibrated through the ultrasonic vibrator, so that the coating distribution is more uniform.

As a further improvement of the application, the first liquid tank, the second liquid tank and the third liquid tank are sequentially arranged along the base, the length, the width and the height of the first liquid tank, the second liquid tank and the third liquid tank are the same, the first liquid tank, the second liquid tank and the third liquid tank extend to the outer side of the chute, the extending parts are all provided with liquid inlets, the liquid inlets are respectively communicated with the first liquid tank, the second liquid tank and the third liquid tank, the liquid inlets are correspondingly arranged with the liquid inlets, and the distance between the bottom of the liquid inlets and one end of the liquid inlet pipe far away from the liquid storage tank is 2-3 cm.

As a still further improvement of the application, the coating device and the pressure regulating device penetrate through the sliding groove and extend to the outer end of the bracket, the extending parts are rotationally connected with the temperature control device, the temperature control device is made of flexible materials, and one ends of the temperature control devices, which are far away from each other, are connected with an external temperature control system.

As a further improvement of the application, the coating device comprises supporting rollers which are in sliding connection with the sliding groove and are symmetrically arranged, a coating roller is arranged between the supporting rollers which are symmetrically arranged, the coating roller is in sliding connection with the sliding groove, and the outer ends of the coating roller and the outer ends of the supporting rollers are propped against each other.

As a further improvement of the application, the first liquid tank, the second liquid tank and the third liquid tank are filled with the paint to be painted, and the liquid level of the paint to be painted is in contact with the supporting roller and is positioned below the axis of the supporting roller.

In addition to the improvement of the application, the pressure regulating device comprises a regulating support which is connected with the support in a sliding way and is symmetrically arranged, a plurality of regulating rollers are rotatably connected to one end of the regulating support, which is close to the film, the regulating rollers are respectively positioned between the coating devices, and the bottoms of the regulating rollers are contacted with the top of the film.

In addition to the improvement of the application, the base comprises a plurality of temperature control pipelines which are respectively and rotatably connected with the two ends of the supporting roller and the regulating roller, the ends of the temperature control pipelines which are far away from each other are mutually communicated, the interiors of the supporting roller and the regulating roller are hollow structures, the hollow structures are communicated with the temperature control pipelines, and the coating roller is hollow.

As a further improvement of the application, the liquid storage tanks are hollow structures, the top ends of the liquid storage tanks are closed by the top cover, and one end of the liquid inlet pipe, which is far away from the liquid storage tanks, is contacted with the liquid level of the paint to be painted.

In summary, the scheme has the following beneficial effects:

1. The coating uniformity is improved, multiple coating can be realized by adopting the design of multiple liquid tanks and multiple coating devices, and the coating is ensured to be distributed more uniformly on the film.

2. Pressure distribution regulation and control can evenly distribute pressure in the brushing process through the pressure regulation and control device, and the brushing effect and uniformity are further improved.

3. The high-efficiency ultrasonic vibration can be realized, and the plurality of ultrasonic vibrators can provide high-frequency vibration in the coating process, so that the coating is distributed on the film more uniformly, and the product quality is improved.

4. Temperature control, through temperature control device, can realize the accurate control of coating temperature, further improve and scribble the quality.

6. The design of a plurality of liquid storage tanks and liquid inlet pipes enables the paint to flow into the liquid tank under the action of gravity and contact the supporting roller and the coating roller, so that the efficient utilization of the paint is realized and the waste is reduced.

7. The device is suitable for various coatings, and can be suitable for various coatings with different types and viscosities due to the structural design of the coating device and the multiple liquid tanks, and has high universality.

Drawings

FIG. 1 is an overall block diagram of the present application;

FIG. 2 is a top view of the present application;

FIG. 3 is a cross-sectional view A-A of the present application;

FIG. 4 is a B-B cross-sectional view of the present application;

FIG. 5 is a partial block diagram of the present application;

FIG. 6 is a block diagram of a coating apparatus, a film and a pressure regulating apparatus of the present application;

fig. 7 is an external configuration diagram of the present application.

The reference numerals in the figures illustrate:

1. a base; 2. a first liquid tank; 3. a second liquid tank; 4. a third liquid tank; 5. a bracket; 6. a chute; 7. a coating device; 701. a supporting roller; 702. a coating roller; 8. a film; 9. a pressure regulating device; 10. an ultrasonic vibrator; 11. a temperature control device; 12. a liquid storage tank; 13. a liquid inlet pipe; 14. and a liquid inlet tank.

Detailed Description

Two embodiments of the present application will be described in detail with reference to the accompanying drawings.

First embodiment:

Fig. 1-5 show that a perovskite film brushing device comprises a base 1, a first liquid groove 2, a second liquid groove 3 and a third liquid groove 4 are formed in the top of the base 1, symmetrically-arranged brackets 5 are fixedly connected to the two ends of the base 1, a plurality of sliding grooves 6 are formed in the symmetrically-arranged brackets 5, coating devices 7 are arranged on the tops of the first liquid groove 2, the second liquid groove 3 and the third liquid groove 4, the coating devices 7 are located between the symmetrically-arranged brackets 5, the coating devices 7 are slidably connected with the sliding grooves 6, a film 8 is arranged on the tops of the coating devices 7, a surface to be coated of the film 8 is contacted with the coating devices 7, a pressure regulating device 9 is arranged on the tops of the film 8, a plurality of ultrasonic vibrators 10 are fixedly connected to the tops of the pressure regulating device 9, a plurality of liquid storage tanks 12 are fixedly connected to the tops of the base 1, and liquid inlet pipes 13 are fixedly connected to the bottoms of the liquid storage tanks 12.

Fig. 1 shows that the coating device 7 comprises supporting rollers 701 which are in sliding connection with the sliding chute 6 and are symmetrically arranged, a coating roller 702 is arranged between the supporting rollers 701 which are symmetrically arranged, the coating roller 702 is in sliding connection with the sliding chute 6, and the outer ends of the coating roller 702 are propped against the outer ends of the supporting rollers 701.

Fig. 4 shows that the first liquid tank 2, the second liquid tank 3 and the third liquid tank 4 are filled with paint to be painted, and the paint to be painted liquid level is in contact with the supporting roller 701, and the paint to be painted liquid level is below the axis of the supporting roller 701.

Fig. 1 and 3 show that the liquid storage tanks 12 are hollow structures, the top ends of the liquid storage tanks 12 are closed through a top cover, and one end, far away from the liquid storage tanks 12, of the liquid inlet pipe 13 is contacted with the liquid level of the paint to be painted.

Fig. 6 shows that the pressure regulating device 9 includes a regulating support slidably connected to the support 5 and symmetrically disposed, and one end of the regulating support close to the film 8 is rotatably connected with a plurality of regulating rollers, the plurality of regulating rollers are respectively located between the plurality of coating devices 7, and the bottoms of the regulating rollers are in contact with the top of the film 8, and the coating rollers 702 are hollow structures.

In the perovskite thin film brushing device, the thin film 8 is brushed for multiple times through the first liquid groove 2, the second liquid groove 3 and the third liquid groove 4 and the plurality of coating devices 7 matched with the first liquid groove 2, the second liquid groove 3 and the third liquid groove 4, the pressure distribution of the thin film 8 can be uniform through the pressure regulating device 9 in the brushing process, and meanwhile, the thin film 8 can be vibrated through the ultrasonic vibrator 10, so that the coating distribution is more uniform.

Before brushing, the top cover of the liquid storage tank 12 is opened, enough paint is filled into the liquid storage tanks 12, then the top cover is closed, at the moment, the paint in the liquid storage tank 12 flows into the first liquid tank 2, the second liquid tank 3 and the third liquid tank 4 through the liquid inlet pipe 13 under the action of gravity, after the paint liquid levels in the first liquid tank 2, the second liquid tank 3 and the third liquid tank 4 are contacted with one end, far away from the liquid storage tank 12, of the liquid inlet pipe 13, air cannot enter the liquid inlet pipe 13, at the moment, the paint stops flowing out, and the paint is not easy to accumulate on the surface of the film 8 when the speed of the film 8 is changed through flow control.

When the film 8 needs to be painted, the film 8 sequentially passes through the plurality of supporting rollers 701 and the pressure regulating device 9, so that the bottom of the film 8 is contacted with the upper ends of the plurality of supporting rollers 701, and the upper end of the film 8 is contacted with the lower end of the pressure regulating device 9.

Then, the film 8 is pulled to move through an external device, the film 8 drives the supporting roller 701 and a plurality of regulating rollers on the pressure regulating device 9 to rotate when moving, the supporting roller 701 drives the coating roller 702 to rotate when rotating, the coating roller 702 is contacted with the coating, so that the coating is adhered to the surface of the coating roller 702 when rotating, the coating adhered to the surface of the coating roller 702 along with the rotation of the coating roller 702 is partially adhered to the surface of the supporting roller 701 through the contact with the supporting roller 701, the coating can be uniformly distributed on the surface of the supporting roller 701 through the cooperation of the coating roller 702 and the supporting roller 701, the coating on the surface of the supporting roller 701 is transferred to the surface of the film 8 in the process of contacting with the film 8, the coating on the surface of the film 8 is finished to be painted for a plurality of times along with the movement of the film 8 sequentially passing through the coating devices 7 on the first liquid tank 2, the second liquid tank 3 and the third liquid tank 4, the film 8 is kept at a proper pressure along with the rotation of the coating roller 702, the ultrasonic device 10 can be started when required, and the ultrasonic device 10 can be started to generate high-frequency vibration to be uniformly distributed on the film 8 through the pressure regulating device, and vibration can be uniformly distributed on the film 8 through the pressure regulating device.

The base 1 is used as a foundation support of the whole device, fixes and supports other components, has good stability, provides a solid platform, the first liquid tank 2, the second liquid tank 3 and the third liquid tank 4 are used for storing paint to be painted, the liquid tanks allow the paint to be painted for a plurality of times or different paint to be used, the bracket 5 is used for supporting the whole device and is matched with the sliding chute 6 to adjust the position of the painting device 7, the structure is simple, the installation is convenient, the sliding chute 6 allows the painting device 7 to slide on the bracket 5, the painting device 7 uniformly coats the paint on the film 8 and can slide among the liquid tanks, thereby realizing multiple or different kinds of painting, the target material to be painted on the film 8 can be closely contacted with the painting device 7, ensuring the uniformity of painting, the pressure regulating device 9 regulates the pressure between the film 8 and the painting device 7, the pressure distribution is uniform, the uniform distribution of the paint is further ensured, the ultrasonic vibrator 10 enables the paint to be more uniformly distributed on the film 8 through ultrasonic vibration, the coating quality is improved, the temperature of the coating device 7 and the temperature of the pressure regulating device 9 are controlled by the temperature control device 11, the fluidity and the adhesiveness of the paint can be optimized, the liquid storage tank 12 is used for storing additional paint, the liquid storage tank is large in capacity and convenient for continuous operation for a long time, the liquid inlet pipe 13 is used for conveying the paint from the liquid storage tank 12 to each liquid tank, the continuous supply of the paint in the liquid tanks is ensured, the supporting roller 701 and the coating roller 702 are used for supporting the film 8 and brushing, the paint can be uniformly attached on the film 8, the pressure regulating device 9 is used for regulating the pressure, the accurate control and the uniform distribution of the pressure is ensured, and the high-quality and uniform coating effect is realized.

Second embodiment:

Fig. 1, fig. 4 and fig. 5 show that the first liquid tank 2, the second liquid tank 3 and the third liquid tank 4 are sequentially arranged along the base 1, the length, the width and the height dimensions of the first liquid tank 2, the second liquid tank 3 and the third liquid tank 4 are the same, the first liquid tank 2, the second liquid tank 3 and the third liquid tank 4 extend to the outer side of the chute 6, the extending parts are all provided with liquid inlet tanks 14, a plurality of liquid inlet tanks 14 are respectively communicated with the first liquid tank 2, the second liquid tank 3 and the third liquid tank 4, a plurality of liquid inlet tanks 14 are correspondingly arranged with a plurality of liquid inlet pipes 13, and the distance between the bottom of each liquid inlet tank 14 and one end of each liquid inlet pipe 13 far away from the liquid storage tank 12 is 2-3 cm.

Fig. 1 and 6 show that the coating device 7 and the pressure regulating device 9 both penetrate through the chute 6 and extend to the outer end of the bracket 5, and the extending parts are both rotationally connected with the temperature control device 11, the temperature control device 11 is made of flexible materials, and the end of the temperature control device 11, which is far away from each other, is connected with an external temperature control system.

Fig. 1, fig. 2 and fig. 7 show that the base 1 includes a plurality of temperature control pipelines respectively connected with the support roller 701 and the two ends of the regulating roller in a rotating way, and one ends of the plurality of temperature control pipelines far away from each other are mutually communicated, the inside of the plurality of support roller 701 and the regulating roller is of a hollow structure, and the hollow structure is communicated with the temperature control pipelines.

When the paint in the liquid storage tank 12 passes through the liquid inlet pipe 13 under the action of gravity, the paint continuously flows into the liquid inlet tank 14, and then flows into the first liquid tank 2, the second liquid tank 3 and the third liquid tank 4 from the liquid inlet tank 14.

In the brushing process, when the temperatures of the coating device 7 and the pressure regulating device 9 need to be regulated, the temperature control medium is led into the coating device 7 and the pressure regulating device 9 through an external temperature control system, and the temperatures of the temperature control medium change the temperatures of the coating device 7 and the pressure regulating device 9, so that the temperature regulation is completed.

The temperature control device 11 is connected to the coating device 7 and the pressure regulating device 9 and is used for controlling the temperature, so that the coating is applied at the optimal temperature, the coating quality is improved, the liquid inlet pipe 13 is connected with the liquid storage tank 12 and the liquid tank, the flow of the coating from the liquid storage tank 12 to the liquid tank is controlled, the liquid inlet tank 14 is connected with the liquid tank and the liquid inlet pipe 13, the stable and controllable liquid flow between the liquid tank and the liquid inlet pipe 13 is provided, and the efficient, uniform and controllable perovskite film coating is realized.

The present utility model is not limited to the above-described embodiments, which are adopted in connection with the actual demands, and various changes made by the person skilled in the art without departing from the spirit of the present utility model are still within the scope of the present utility model.

Claims (9)

1. A perovskite thin film brushing device, characterized in that: including base (1), first cistern (2), second cistern (3) and third cistern (4) have been seted up at base (1) top, support (5) that base (1) both ends fixedly connected with symmetry set up, the symmetry sets up a plurality of spouts (6) have been seted up on support (5), first cistern (2), second cistern (3) and third cistern (4) top all are equipped with coating unit (7), and a plurality of coating unit (7) are located between support (5) that the symmetry set up, and coating unit (7) and spout (6) sliding connection set up, a plurality of coating unit (7) top is equipped with film (8), film (8) are to wait to brush the face and are contacted with coating unit (7), film (8) top is equipped with pressure regulation and control device (9), pressure regulation device (9) top fixedly connected with a plurality of ultrasonic vibrator (10), all rotate on coating unit (7) and the pressure regulation device (9) and be connected with reservoir (11), base (1) top fixedly connected with a plurality of fluid reservoirs (12), a plurality of fluid reservoirs (13) are connected with temperature control tube.

2. A perovskite thin film brushing apparatus as claimed in claim 1, wherein: the first liquid tank (2), the second liquid tank (3) and the third liquid tank (4) are sequentially arranged along the base (1), the length, the width and the height of the first liquid tank (2), the second liquid tank (3) and the third liquid tank (4) are the same, the first liquid tank (2), the second liquid tank (3) and the third liquid tank (4) extend to the outer side of the sliding groove (6), the extending parts are all provided with liquid inlet tanks (14), and a plurality of liquid inlet tanks (14) are respectively communicated with the first liquid tank (2), the second liquid tank (3) and the third liquid tank (4).

3. A perovskite thin film brushing apparatus as claimed in claim 2, wherein: the liquid inlet tanks (14) and the liquid inlet pipes (13) are correspondingly arranged, and the bottoms of the liquid inlet tanks (14) and one end, far away from the liquid storage tank (12), of the liquid inlet pipe (13) are away from the first liquid tank (2) -the second liquid tank (3) for centimeters.

4. A perovskite thin film brushing apparatus as claimed in claim 1, wherein: the coating device (7) and the pressure regulating device (9) penetrate through the sliding groove (6) and extend to the outer end of the support (5), the extending parts are rotationally connected with the temperature control device (11), the temperature control device (11) is made of flexible materials, and one ends, far away from each other, of the temperature control device (11) are connected with an external temperature control system.

5. A perovskite thin film brushing apparatus as claimed in claim 1, wherein: the coating device (7) comprises supporting rollers (701) which are in sliding connection with the sliding groove (6) and are symmetrically arranged, coating rollers (702) are arranged between the supporting rollers (701) which are symmetrically arranged, the coating rollers (702) are in sliding connection with the sliding groove (6), and the coating rollers (702) are propped against the outer ends of the plurality of supporting rollers (701).

6. The perovskite thin film brushing apparatus as claimed in claim 5, wherein: the first liquid tank (2), the second liquid tank (3) and the third liquid tank (4) are filled with paint to be painted, the liquid level of the paint to be painted is in contact with the supporting roller (701), and the liquid level of the paint to be painted is positioned below the axis of the supporting roller (701).

7. A perovskite thin film brushing apparatus as claimed in claim 1, wherein: the pressure regulating device (9) comprises regulating supports which are in sliding connection with the supports (5) and are symmetrically arranged, one ends of the regulating supports, which are close to the thin films (8), are rotationally connected with a plurality of regulating rollers, the regulating rollers are respectively positioned between the coating devices (7), and the bottoms of the regulating rollers are in contact with the tops of the thin films (8).

8. The perovskite thin film brushing apparatus as claimed in claim 5, wherein: the base (1) comprises a plurality of temperature control pipelines which are respectively connected with two ends of the supporting roller (701) and the regulating roller in a rotating mode, one ends, far away from each other, of the temperature control pipelines are communicated with each other, the supporting roller (701) and the regulating roller are of hollow structures, the hollow structures are communicated with the temperature control pipelines, and the coating roller (702) is of a hollow structure.

9. A perovskite thin film brushing apparatus as claimed in claim 1, wherein: the liquid storage tanks (12) are hollow structures, the top ends of the liquid storage tanks (12) are closed through the top cover, and one end, far away from the liquid storage tanks (12), of the liquid inlet pipe (13) is contacted with the liquid level of the paint to be painted.