阅读说明：本技术 一种新型真空加湿涂布制膜机 (Novel vacuum humidification coating film making machine ) 是由 庞胜忠 于 2021-09-26 设计创作，主要内容包括：本发明公开一种新型真空加湿涂布制膜机,包括基台,基台的上方设有真空罩,真空罩通过升降结构上下移动,真空罩的下端通过密封结构与基台的上表面接触,基台被真空罩笼罩的区域内设有溶剂杯以及制冷片,真空罩外设有液体流量计,液体流量计通过输液管连接溶剂杯,溶剂杯上设有第一加热管,真空罩上设有与真空罩内连通的真空补气阀以及真空抽气阀,造价低,使用方便,在真空条件下使溶剂汽化呈气态然后接触到低温的样板表面液化进行涂布,使涂布更加均匀,然后再次快速抽取真空使涂布的溶剂成膜,涂布与成膜合二为一,相比于传统的单独工序,提高了工作效率。(The invention discloses a novel vacuum humidifying coating film making machine, which comprises a base station, wherein a vacuum cover is arranged above the base station and moves up and down through a lifting structure, the lower end of the vacuum cover is contacted with the upper surface of the base station through a sealing structure, a solvent cup and a refrigerating sheet are arranged in the area of the base station covered by the vacuum cover, a liquid flow meter is arranged outside the vacuum cover and is connected with the solvent cup through a liquid conveying pipe, a first heating pipe is arranged on the solvent cup, a vacuum air replenishing valve and a vacuum air extracting valve which are communicated with the inside of the vacuum cover are arranged on the vacuum cover, the manufacturing cost is low, the use is convenient, the solvent is vaporized to be gaseous under the vacuum condition and then contacts the surface of the sample plate with low temperature for liquefaction and coating, so that the coating is more uniform, and then the vacuum is quickly pumped again to enable the coated solvent to form a film, and the coating and the film forming are combined into a whole, so that the working efficiency is improved compared with the traditional single working procedure.)

1. The utility model provides a novel vacuum humidification coating film manufacturing machine, a serial communication port, includes the base station, the top of base station is equipped with the vacuum cover, the vacuum cover reciprocates through elevation structure, the lower extreme of vacuum cover passes through the upper surface contact of seal structure with the base station, the base station is equipped with solvent cup and refrigeration piece in the region of vacuum cover cage cover, the vacuum cover is equipped with fluidflowmeter outward, fluidflowmeter passes through the transfer line and connects the solvent cup, be equipped with first heating pipe on the solvent cup, be equipped with on the vacuum cover with vacuum cover in-connection's vacuum gulp valve and vacuum bleeder valve.

2. The vacuum humidifying coating film making machine as claimed in claim 1, wherein an air flow stirring fan is further provided in the area covered by the vacuum cover on the base station.

3. The novel vacuum humidifying coating film making machine as claimed in claim 1, wherein a second heating pipe is provided on said vacuum hood.

4. The novel vacuum humidifying coating film making machine as claimed in claim 1, wherein the refrigerating sheet is a semiconductor refrigerating sheet, the hot end of the semiconductor refrigerating sheet is connected with the base station, a cooling pipe is arranged in the base station, the cooling pipe is located below the semiconductor refrigerating sheet, and the base station is provided with a cooling liquid inlet and a cooling liquid outlet which are respectively connected with two ends of the cooling pipe.

5. The novel vacuum humidifying coating film making machine as claimed in claim 1, wherein a vibration device is further arranged on the base station.

6. The novel vacuum humidifying coating film making machine as claimed in claim 1, wherein a temperature sensor is arranged on said refrigeration sheet.

7. The novel vacuum humidifying coating film making machine as claimed in claim 1, wherein a vacuum measuring instrument is further provided on said vacuum hood.

8. The novel vacuum humidifying coating film making machine as claimed in claim 1, wherein a cold conducting substrate is arranged on said refrigeration sheet.

9. The novel aviation humidification coating film making machine as claimed in claim 1, wherein said refrigeration sheet is detachably pressed on the base platform by a pressing device.

10. The novel vacuum humidifying coating film making machine as claimed in claim 9, wherein the compressing device comprises heat insulation sleeves arranged at both ends of the refrigerating sheet, the heat insulation sleeves are arranged on the upper surface of the base station, the heat insulation sleeves and the base station are provided with vertically communicated threaded holes, a pressing plate is arranged at the upper end of the heat insulation sleeves, the pressing plate compresses both ends of the refrigerating sheet, the pressing plate is provided with mounting holes, bolts matched with the threaded holes sequentially penetrate through the mounting holes and the threaded holes from top to bottom, and a heat insulation pad is arranged between the heads of the bolts and the pressing plate.

Technical Field

The invention relates to the technical field of perovskite film forming equipment, in particular to a novel vacuum humidifying coating film making machine

Background

In recent years, perovskite batteries have attracted great attention due to the advantages of low preparation cost, high efficiency, adjustable band gap, high absorption coefficient and the like, and the photoelectric conversion efficiency is improved from 3.8% to 23.7% in a short few years. The perovskite battery becomes a research hotspot in the field of photovoltaic devices, and meanwhile, many companies are attracted to realize the industrialization of the perovskite battery.

The perovskite battery at present has the problems of poor stability, large-area preparation technology and the like. In the prior art, a spin coating method is generally adopted in a laboratory high-efficiency preparation technology, but the method cannot meet the requirement of industrialization. In order to further improve the efficiency of industrialization and reduce the cost, a plurality of large-area preparation technologies are proposed, wherein blade coating and slit coating methods are paid more attention, the uniformity of the film formation by the conventional blade coating and slit coating is relatively not ideal, and the film formation by drying is carried out after the coating, and the coating and the film formation are carried out in two sets of devices in sections, so that the efficiency is not high.

Disclosure of Invention

In order to solve the defects in the prior art, the invention provides a novel vacuum humidifying coating film making machine.

In order to achieve the technical effects, the invention adopts the following scheme:

the utility model provides a novel vacuum humidification coating film manufacturing machine, includes the base station, the top of base station is equipped with the vacuum cover, the vacuum cover reciprocates through elevation structure, the lower extreme of vacuum cover passes through the upper surface contact of seal structure with the base station, the base station is equipped with solvent cup and refrigeration piece in the region of vacuum cover cage cover, the vacuum cover is equipped with fluidflowmeter outward, fluidflowmeter passes through the transfer line and connects the solvent cup, be equipped with first heating pipe on the solvent cup, be equipped with on the vacuum cover with vacuum cover in-connection's vacuum gulp valve and vacuum bleeder valve.

In a preferred technical scheme, an airflow stirring fan is further arranged in the area, covered by the vacuum cover, on the base station.

According to the preferable technical scheme, a second heating pipe is arranged on the vacuum cover.

According to the technical scheme, the refrigerating piece is a semiconductor refrigerating piece, the hot end of the semiconductor refrigerating piece is connected with the base platform, a cooling pipe is arranged in the base platform and located below the semiconductor refrigerating piece, and a cooling liquid inlet and a cooling liquid outlet which are connected to the two ends of the cooling pipe are formed in the base platform respectively.

In a preferred technical scheme, a vibration device is further arranged on the base station.

According to the preferable technical scheme, the refrigerating sheet is provided with a temperature sensor.

According to the preferable technical scheme, the vacuum cover is further provided with a vacuum measuring instrument.

According to the preferable technical scheme, the refrigeration sheet is provided with a cold guide substrate.

According to the preferable technical scheme, the refrigeration sheet is detachably pressed on the base platform through the pressing device.

The technical scheme who prefers, closing device is including setting up in the radiation shield of refrigeration piece both ends, the base station upper surface is located to the radiation shield, the screw hole of vertical intercommunication has on radiation shield and the base station, the upper end of radiation shield is equipped with the clamp plate, the clamp plate compresses tightly the both ends of refrigeration piece, the mounting hole has on the clamp plate, passes mounting hole and screw hole from top to bottom in proper order with the bolt that the screw hole matches, be equipped with the heat insulating mattress between the head of bolt and the clamp plate.

Compared with the prior art, beneficial effect does:

the invention has simple structure, low cost and convenient use, leads the solvent to be vaporized into gas state under the vacuum condition and then to contact with the surface of the low-temperature sample plate for liquefaction and coating, leads the coating to be more uniform, then quickly extracts vacuum again to lead the coated solvent to be filmed, combines the coating and the filming into a whole, and improves the working efficiency compared with the traditional single working procedure.

Drawings

FIG. 1 is a schematic diagram of the present invention.

Reference numerals: 1. a base station; 2. a vacuum hood; 3. a sealing structure; 4. a vacuum gulp valve; 5. a vacuum gauge; 6. a vacuum extraction valve; 7. a second heating pipe; 8. a liquid flow meter; 9. a transfusion tube; 10. a needle valve; 11. a solvent cup; 12. a first heating pipe; 13. a refrigeration plate; 14. a cold conducting substrate; 15. a template; 16. an airflow agitating fan; 17. a bolt; 18. a heat insulating sleeve; 19. pressing a plate; 20. a temperature sensor; 21. a vibration device; 22. a cooling tube; 23. a coolant inlet; 24. and a cooling liquid outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

A novel vacuum humidifying coating film making machine comprises a base station 1, wherein a vacuum cover 2 is arranged above the base station 1, a lower end opening of the vacuum cover 2 covers the upper surface of the base station 1, the vacuum cover 2 moves up and down through a lifting structure, the vacuum cover 2 covers the base station 1 or the vacuum cover 2 is lifted to be opened, the lifting structure adopts a conventional structure, such as an air cylinder, the air cylinder is fixed on a machine frame, a telescopic rod of the air cylinder is downwards fixedly connected with the vacuum cover 2, the lower end of the vacuum cover 2 is in sealing connection with the upper surface of the base station 1 through a sealing structure 3 in contact with the upper surface of the base station 1, the sealing structure 3 adopts a sealing ring, the sealing ring is arranged along the lower end face of the vacuum cover 2, the upper surface of the base station 1 is provided with a groove, the groove is arranged corresponding to the lower end of the vacuum cover 2, the sealing ring is arranged in the groove or fixedly arranged at the lower end of the vacuum cover 2, a solvent cup 11 and a refrigerating sheet 13 are arranged in an area covered by the vacuum cover 2 on the base station 1, on solvent cup 11 located base station 1 through the support is fixed, the upper surface of refrigeration piece 13 installation and base station 1, vacuum cover 2 is equipped with fluidflowmeter 8 outward, fluidflowmeter 8 passes through transfer line 9 and connects solvent cup 11, and transfer line 9 passes base station 1 and connects solvent cup 11, and transfer line 9 and 1 sealing connection of base station still are equipped with needle valve 10 on the transfer line 9, provide the solvent in to solvent cup 11 through fluidflowmeter 8 and transfer line 9, be equipped with first heating pipe 12 on the solvent cup 11, first heating pipe 12 electricity is connected with first vacuum aviation plug, connects mains power supply through first vacuum aviation plug, and first vacuum aviation plug sets up on base station 1, be equipped with on the vacuum cover 2 with vacuum gulp valve 4 and the vacuum bleeder valve 6 of vacuum cover 2 interior intercommunication.

Placing a sample plate 15 on a refrigerating sheet 13, lowering a vacuum cover 2 to cover a base platform 1, opening a vacuum extraction valve 6 to vacuumize, forming a vacuum cavity in the vacuum cover 2, enabling no interference of other gases in the vacuum cover 2, closing the vacuum valve, conveying a solvent into a solvent cup 11, opening a first heating pipe 12 to heat the solvent cup 11, evaporating the solvent in the solvent cup 11, lowering the boiling point of the solvent in a vacuum state, accelerating the evaporation of the solvent, floating the gaseous solvent in the vacuum cover 2, starting the refrigerating sheet 13 to cool the sample plate 15, lowering the temperature of the surface of the sample plate 15, enabling the gaseous solvent to contact the surface of the sample plate 15, liquefying the solvent into a liquid state when encountering cold, uniformly coating the solvent on the surface of the sample plate 15, increasing the pressure in the vacuum cover 2 due to the fact that the solvent is vaporized into the gaseous state, and then starting the vacuum extraction valve 6 to vacuumize quickly again, removing residual gaseous solvent in the vacuum cover 2 and reducing the pressure in the vacuum cover 2, forming a film by the solvent coated on the surface of the sample plate 15 through vacuum pressure, opening the vacuum air supply valve 4 to supply air into the vacuum cover 2 to ensure that the internal pressure and the external pressure of the vacuum cover 2 are equal, opening the vacuum cover 2 and taking out the sample plate 15.

Still be equipped with air current stirring fan 16 in the region that is covered by vacuum hood 2 cage on base station 1, start the fan and drive the air current flow of the interior vacuum chamber of vacuum hood 2, make gaseous solvent distribute evenly in the vacuum chamber to improve the homogeneity of solvent coating on model 15, air current stirring fan 16 electricity is connected with second vacuum aviation plug, connects commercial power supply through second vacuum aviation plug, and second vacuum aviation plug sets up on base station 1.

The vacuum cover 2 is provided with the second heating pipe 7 for heating the vacuum cover 2, the temperature of the vacuum cover 2 is prevented from being low, gaseous solvents are liquefied on the vacuum cover 2 when contacting the vacuum cover 2, the concentration of the gaseous solvents in the vacuum cover 2 can be calculated according to the amount of the input solvents and the size of the solvents in the vacuum cover 2 in actual use, then the thickness of the coating on the sample plate 15 can be calculated according to the refrigerating time of the refrigerating sheet 13, and if part of the gaseous solvents are liquefied on the vacuum cover 2, the calculation of the coating thickness can be influenced.

The utility model discloses a semiconductor refrigeration piece, including base station 1, sample plate 15, cooling tube 22, base station 1, still be equipped with coolant liquid import 23 and coolant liquid export 24 that are connected respectively with cooling tube 22 both ends on base station 1, with coolant liquid in coolant liquid import 23 pours into cooling tube 22 into, carries out the heat exchange with base station 1 part below the semiconductor refrigeration piece for the heat dissipation, coolant liquid after the heat exchanges flows out from coolant liquid export 24.

The base platform 1 is further provided with a vibration device 21, the vibration device 21 is used for driving the base platform 1 to generate vibration, such as a vibrator, the vibration of the base platform 1 transmits vibration force to the sample plate 15 to vibrate the sample plate 15, and therefore the solution coated on the surface of the sample plate 15 is distributed more uniformly.

The temperature sensor 20 is arranged on the refrigerating plate 13, and the temperature on the refrigerating plate 13 is reflected in real time through the temperature sensor 20.

The vacuum cover 2 is also provided with a vacuum measuring instrument 5 meter for observing the vacuum pressure in the vacuum cover 2 in real time.

Be equipped with on the refrigeration piece 13 and lead cold base plate 14, model 15 is placed on leading cold base plate 14, and the low temperature that will refrigerate piece 13 through leading cold base plate 14 transmits to model 15 on, makes the refrigerated of model 15 more even, and in this embodiment, temperature sensor 20 sets up in leading cold base plate 14.

Refrigeration piece 13 compresses tightly on base station 1 through closing device, and the setting can be dismantled to refrigeration piece 13, is convenient for change, leads cold base plate 14 in this embodiment and places on refrigeration piece 13, and closing device presses at the upper surface of leading cold base plate 14, will lead cold base plate 14 and refrigeration piece 13 simultaneously and compress tightly on base station 1.

The preferable technical scheme is that the compressing device comprises heat insulation sleeves 18 arranged at two ends of the refrigerating sheet 13, the heat insulation sleeves 18 are arranged on the upper surface of the base station 1, the heat insulation sleeves 18 are made of heat insulation materials, threaded holes which are vertically communicated are formed in the heat insulation sleeves 18 and the base station 1, namely the threaded holes penetrate through the heat insulation sleeves 18 from top to bottom and extend into the base station 1, a pressing plate 19 is arranged at the upper end of the heat insulation sleeves 18, in the embodiment, one end of the pressing plate 19 is pressed on the upper surface of the cold guide substrate 14 to press the cold guide substrate 14 and the refrigerating sheet 13 on the base station 1, a mounting hole is formed in the pressing plate 19, a bolt 17 matched with the threaded hole sequentially penetrates through the pressing plate 19 and the heat insulation sleeves 18 to be inserted into the base station 1 to be locked, the pressing plate 19, the heat insulation sleeves 18 and the base station 1 are fixed together, and a heat insulation pad is arranged between the head of the bolt 17 and the pressing plate 19, the heat insulation sleeve 18 and the heat insulation pad prevent the low temperature generated by the refrigeration sheet 13 from being transmitted to the base platform 1 through the bolt 17 to dissipate, and the aperture of the installation hole on the pressing plate 19 is larger than the aperture of the screw part on the bolt 17, so that the bolt 17 is prevented from contacting with the screw part to transmit the low temperature to the bolt 17, or the pressing plate 19 is made of a heat insulation material.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, refer to orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships that the products of the present invention are conventionally placed in use, or the orientations or positional relationships that are conventionally understood by those skilled in the art, and are used for convenience in describing and simplifying the description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.