Constant-speed air exhaust auxiliary mechanism

Abstract

The utility model relates to a constant-speed air exhaust auxiliary mechanism which comprises flash evaporation equipment and an air exhaust unit, the air exhaust unit comprises an upper air exhaust device and a lower air exhaust device, an upper air uniformizing cover assembly is mounted on the inner side of the flash evaporation equipment at the bottom of the upper air exhaust device, and a lower air uniformizing cover assembly is mounted on the inner side of the flash evaporation equipment at the top of the lower air exhaust device; at least one gas uniformizing plate assembly is mounted in the flash evaporation equipment between the upper gas uniformizing cover assembly and the lower gas uniformizing cover assembly, and the two sides, in the X-axis direction, of a gas uniformizing plate are movably mounted in the gas uniformizing plate mounting outer cover through gas uniformizing plate mounting frames in the Z-axis direction. According to the utility model, through the cooperation of the gas homogenizing cover assembly and the gas homogenizing plate assembly, the solvent component in the solution is quickly taken away by utilizing high-strength uniform gas flow which is formed by pre-vacuumizing and passing through the gas homogenizing plate, so that uniform and rapid nucleation and growth are promoted; therefore, the perovskite thin film which is uniform, flat, defect-free and hole-free in a large range, high in quality and excellent in crystallinity is prepared.

Description

Technical Field

[0001] The utility model relates to the technical field related to flash evaporation equipment, in particular to a uniform speed air extraction auxiliary mechanism. Background Art

[0002] Flash evaporation equipment can be used to achieve rapid volatilization of organic materials such as perovskite, providing researchers with a complete evaporation and drying system to achieve an application scenario that satisfies the requirements of adjustable vacuum pumping speed and uniform drying. The equipment achieves rapid volatilization of the perovskite solution through rapid vacuum pumping, and obtains a dry and uniform perovskite battery film.

[0003] After massive searches, it was found that the prior art publication number is CN216204937U, which discloses a flash dryer for drying mineral powder, including a box body, an exhaust pipe is arranged on the top of the box body, a feeding pipe is connected to the upper end of the left side of the box body, a partition is fixedly connected to the lower end of the inner cavity of the box body, an air supply box is fixedly connected to the bottom of the inner cavity of the box body, a connecting branch pipe is connected between the air supply box and the partition, and the number of connecting branches is multiple, a one-way valve is arranged on the upper end of the connecting branch pipe, a conduit is connected to the outside of the air supply box, a nozzle is connected to the other end of the conduit, and a hot air box is connected to the right side of the air supply box. The utility model solves the problem that it is difficult for materials in the existing flash dryer to fully contact the hot air through the functions of the air supply box, the connecting branch pipe, the one-way valve, the conduit, the nozzle and the exhaust pipe, and reduces the contact area between the material and the hot air, which leads to the inability of the material to be effectively dried, seriously affecting the processing efficiency and bringing inconvenience to the user.

[0004] In summary, when the existing flash evaporation equipment is working, it usually first evacuates the vacuum chamber to put it in a vacuum state, but the rapid and direct airflow will affect the coating effect of the substrate.

[0005] In view of the above-mentioned defects, the designers have actively carried out research and innovation in order to create a uniform air extraction auxiliary mechanism to make it more valuable for industrial use. Utility Model Content

[0006] In order to solve the above technical problems, the purpose of the utility model is to provide a uniform speed air extraction auxiliary mechanism.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A uniform speed exhaust auxiliary mechanism comprises a flash evaporation device and an exhaust unit, wherein the exhaust unit is installed on the flash evaporation device and is used for vacuuming;

[0009] The air extraction unit comprises an upper air extraction device and a lower air extraction device, wherein the upper air extraction device is installed at the middle position of the top of the flash evaporation device, and the lower air extraction device is installed at the middle position of the bottom of the flash evaporation device. An upper uniform air hood assembly is installed on the inner side of the flash evaporation device at the bottom of the upper air extraction device, and a lower uniform air hood assembly is installed on the inner side of the flash evaporation device at the top of the lower air extraction device.

[0010] At least one uniform gas plate assembly is installed in the flash evaporation equipment between the upper uniform gas hood assembly and the lower uniform gas hood assembly. The uniform gas plate assembly includes a uniform gas plate. A plurality of uniform gas plate holes are provided on the uniform gas plate. Both sides of the uniform gas plate along the X-axis direction are movably installed in the uniform gas plate installation outer cover along the Z-axis direction through the uniform gas plate installation frame.

[0011] As a further improvement of the present invention, a device window is installed on the front end of the flash evaporation device, and the device window is installed on the flash evaporation device through a hinge on one side along the negative direction of the X-axis, and the device window is installed on the flash evaporation device through a lock on one side along the positive direction of the X-axis.

[0012] As a further improvement of the utility model, an air leveling plate lifting drive mechanism capable of driving the air leveling plate to move along the Z-axis direction is installed in the air leveling plate installation cover.

[0013] As a further improvement of the utility model, the air homogenizing plate lifting drive mechanism is a motor screw transmission module or a motor gear and gear plate transmission module.

[0014] As a further improvement of the utility model, limit frames are installed on one side of the top and bottom of the air-distributing plate mounting cover, and limit columns for limiting the air-distributing plate in the Z-axis direction are installed on the limit frames.

[0015] As a further improvement of the utility model, the upper uniform air hood assembly or the lower uniform air hood assembly includes an air uniform air hood body, which is installed on the inner side of the flash evaporation equipment through an air uniform air hood mounting flange. An exhaust hole connected to the upper exhaust device or the lower exhaust device on the outside is arranged on the air uniform air hood body located on the inner side of the air uniform air hood mounting flange, and a plurality of air uniform air hood holes are evenly arranged on the side of the air uniform air hood body protruding from the inner side of the flash evaporation equipment along the circumferential direction.

[0016] As a further improvement of the utility model, two air-uniforming plate assemblies are installed in the flash evaporation device between the upper air-uniforming hood assembly and the lower air-uniforming hood assembly.

[0017] By means of the above solution, the utility model has at least the following advantages:

[0018] The utility model cooperates with the uniform air cover component and the uniform air plate component, utilizes pre-vacuuming, and forms a high-intensity uniform airflow after passing through the uniform air plate, and simultaneously quickly removes the solvent components in the solution, thereby promoting uniform and rapid nucleation and growth, thereby preparing a high-quality perovskite film with excellent crystallinity that is uniform, flat, defect-free and hole-free over a large range.

[0019] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the utility model in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 This is a schematic diagram of the structure of the first embodiment of the utility model in the first use state;

[0022] Figure 2 This is a structural schematic diagram of the second use state of the first embodiment of the utility model;

[0023] Figure 3 yes Figure 1 or Figure 2 Schematic diagram of the structure of the central gas uniformity plate assembly;

[0024] Figure 4 yes Figure 1 or Figure 2 A schematic diagram of the structure of the upper middle air-uniform hood assembly or the lower air-uniform hood assembly;

[0025] Figure 5 It is a structural schematic diagram of the second embodiment of the utility model.

[0026] The meanings of the various reference numerals in the figures are as follows.

[0027] Flash evaporation equipment 1, equipment window 2, hinge 3, upper exhaust device 4, upper uniform air hood assembly 5, uniform air plate mounting cover 6, lock 7, uniform air plate assembly 8, lower exhaust device 9, lower uniform air hood assembly 10, uniform air plate 11, uniform air plate mounting bracket 12, limit bracket 13, limit column 14, uniform air hood body 15, uniform air hood mounting flange 16, uniform air hood hole 17. DETAILED DESCRIPTION

[0028] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0029] In order to make the technical personnel in the technical field better understand the scheme of the utility model, the technical scheme in the embodiment of the utility model will be clearly and completely described below in combination with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, rather than all the embodiments. The components of the embodiment of the utility model usually described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the utility model for protection, but only represents the selected embodiment of the utility model. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the utility model.

[0030] Example

[0031] like Figure 1 to Figure 5 As shown:

[0032] like Figure 1 to Figure 4 , the first embodiment of the utility model:

[0033] A uniform speed exhaust auxiliary mechanism comprises a flash evaporation device 1 and an exhaust unit, wherein the exhaust unit is mounted on the flash evaporation device 1 and is used for vacuuming. A device window 2 is mounted on the front end of the flash evaporation device 1, and the device window 2 is mounted on the flash evaporation device 1 via a hinge 3 on one side along the negative direction of the X-axis, and the device window 2 is mounted on the flash evaporation device 1 via a lock 7 on one side along the positive direction of the X-axis.

[0034] 1. Structural arrangement of the air extraction unit and the upper air uniforming hood assembly 5:

[0035] The exhaust unit includes an upper exhaust device 4 and a lower exhaust device 9. The upper exhaust device 4 is installed in the middle position of the top of the flash evaporation equipment 1, and the lower exhaust device 9 is installed in the middle position of the bottom of the flash evaporation equipment 1. An upper uniform air hood assembly 5 is installed on the inner side of the flash evaporation equipment 1 at the bottom of the upper exhaust device 4, and a lower uniform air hood assembly 10 is installed on the inner side of the flash evaporation equipment 1 at the top of the lower exhaust device 9.

[0036] Among them, the upper uniform air hood assembly 5 or the lower uniform air hood assembly 10 includes a uniform air hood body 15, which is installed on the inner side of the flash evaporation equipment 1 through the uniform air hood mounting flange 16, and the uniform air hood body 15 located on the inner side of the uniform air hood mounting flange 16 is provided with an exhaust hole connected to the upper exhaust device 4 or the lower exhaust device 9 on the outer side, and the side of the uniform air hood body 15 protruding from the inner side of the flash evaporation equipment 1 is evenly provided with a plurality of uniform air hood holes 17 along the circumferential direction.

[0037] 2. Structural setting of the gas hood assembly:

[0038] At least one uniform gas plate assembly 8 is installed in the flash evaporation device 1 between the upper uniform gas cover assembly 5 and the lower uniform gas cover assembly 10. The uniform gas plate assembly 8 includes a uniform gas plate 11. The uniform gas plate 11 is provided with a plurality of uniform gas plate holes. Both sides of the uniform gas plate 11 along the X-axis direction are movably installed in the uniform gas plate installation cover 6 along the Z-axis direction through the uniform gas plate installation frame 12. The uniform gas plate installation cover 6 is installed with a uniform gas plate lifting drive mechanism that can drive the uniform gas plate 11 to move along the Z-axis direction. The uniform gas plate lifting drive mechanism is a motor screw transmission module or a motor gear gear plate transmission module.

[0039] In addition, a limiting frame 13 is installed on one side of the top and the bottom of the air-distributing plate mounting cover 6 , and a limiting column 14 for limiting the air-distributing plate 11 in the Z-axis direction is installed on the limiting frame 13 .

[0040] like Figure 5 , the second embodiment of the utility model:

[0041] Based on the first embodiment, two uniform gas plate assemblies 8 are installed in the flash evaporation device 1 between the upper uniform gas cover assembly 5 and the lower uniform gas cover assembly 10. In addition, the two uniform gas plate assemblies 8 can be fixedly installed or movably installed in the same manner as in the first embodiment.

[0042] The working principle of the utility model is to set a uniform gas hood body 15 and open a plurality of uniform gas hood holes 17 on the uniform gas hood body 15, use the vacuum unit to pre-vacuum, and form a high-intensity uniform airflow after passing through the uniform gas plate 11, and quickly take away the solvent components in the solution, thereby promoting uniform and rapid nucleation and growth, so as to prepare a high-quality perovskite film with excellent crystallinity that is uniform, flat, defect-free and hole-free in a large range.

[0043] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly referring to the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0044] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0045] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as within the protection scope of the present invention.

Claims

1. A uniform speed exhaust assist mechanism, comprising a flash evaporation device (1) and an exhaust unit, wherein the exhaust unit is installed on the flash evaporation device (1) and is used for vacuuming; Features: The air extraction unit comprises an upper air extraction device (4) and a lower air extraction device (9), wherein the upper air extraction device (4) is installed at a middle position at the top of the flash evaporation device (1), and the lower air extraction device (9) is installed at a middle position at the bottom of the flash evaporation device (1); an upper air uniforming hood assembly (5) is installed on the inner side of the flash evaporation device (1) at the bottom of the upper air extraction device (4), and a lower air uniforming hood assembly (10) is installed on the inner side of the flash evaporation device (1) at the top of the lower air extraction device (9); At least one gas-leveling plate assembly (8) is installed in the flash evaporation device (1) between the upper gas-leveling cover assembly (5) and the lower gas-leveling cover assembly (10). The gas-leveling plate assembly (8) comprises a gas-leveling plate (11). The gas-leveling plate (11) is provided with a plurality of gas-leveling plate holes. Both sides of the gas-leveling plate (11) along the X-axis direction are movably installed in the gas-leveling plate installation outer cover (6) along the Z-axis direction via gas-leveling plate installation frames (12).

2. A uniform air extraction auxiliary mechanism as claimed in claim 1, characterized in that: A device window (2) is installed at the front end of the flash evaporation device (1); the device window (2) is installed on the flash evaporation device (1) along one side of the negative direction of the X-axis via a hinge (3); and the device window (2) is installed on the flash evaporation device (1) along one side of the positive direction of the X-axis via a lock (7).

3. A uniform air extraction auxiliary mechanism as claimed in claim 1, characterized in that: An air-leveling plate lifting and lowering driving mechanism capable of driving the air-leveling plate (11) to move along the Z-axis direction is installed in the air-leveling plate installation outer cover (6).

4. A uniform air extraction auxiliary mechanism as claimed in claim 1, characterized in that: The air homogenizing plate lifting drive mechanism is a motor screw transmission module or a motor gear and gear plate transmission module.

5. A uniform air extraction auxiliary mechanism as claimed in claim 1, characterized in that: Limiting frames (13) are installed on both the top and bottom sides of the air-distributing plate mounting cover (6), and limiting columns (14) for limiting the position of the air-distributing plate (11) in the Z-axis direction are installed on the limiting frames (13).

6. A uniform air extraction auxiliary mechanism as claimed in claim 1, characterized in that: The upper gas-uniform hood assembly (5) or the lower gas-uniform hood assembly (10) comprises a gas-uniform hood body (15), the gas-uniform hood body (15) being mounted on the inner side of the flash evaporation device (1) via a gas-uniform hood mounting flange (16), a gas-exhaust hole connected to the upper gas-exhaust device (4) or the lower gas-exhaust device (9) on the outer side being arranged on the gas-uniform hood body (15) located on the inner side of the gas-uniform hood mounting flange (16), and a plurality of gas-uniform hood holes (17) being evenly arranged along the circumferential direction on the side of the gas-uniform hood body (15) protruding from the inner side of the flash evaporation device (1).

7. A uniform air extraction auxiliary mechanism as claimed in claim 1, characterized in that: Two gas-uniform plate assemblies (8) are installed in the flash evaporation device (1) between the upper gas-uniform hood assembly (5) and the lower gas-uniform hood assembly (10).

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