A micro-pore controlled liquid freezing experiment platform

Abstract

The utility model discloses a kind of micropore control liquid type freezing experiment platform, including liquid control liquid supply system, micropore permeation liquid plate assembly, test plate assembly, temperature control component, infrared imaging unit, laser feedback module and data acquisition terminal;Liquid control liquid supply system is constituted by liquid storage device and liquid supply pump, for conveying experimental liquid to micropore permeation liquid plate, realize that liquid forms certain liquid drop of inside diameter on board surface.Liquid drop falls evenly to ice formation container in micropore, and freezing process occurs under the controllable temperature difference condition provided by temperature control component below.Zoning temperature control component is composed of multiple refrigeration modules and heat conduction support plate, and regional temperature difference control can be carried out to sample area.Test plate assembly is used to carry freezing interface, and inside is equipped with slidable guide rail.Infrared imaging unit is used to monitor freezing interface dynamic advancing process in freezing process, laser feedback module obtains temperature field distribution, and data acquisition terminal is used for whole process experimental data record, display and export.

Description

Technical Field

[0001] This utility model relates to the field of low-temperature experimental device structure, specifically to a microporous liquid-controlled freezing experimental platform. Background Technology

[0002] In the fields of ship navigation, aircraft operation, and infrastructure anti-icing in cold regions, the freezing of water droplets on structural surfaces is a key issue leading to icing adhesion, performance degradation, and safety hazards. Especially in environments such as low-temperature high-speed impact and droplet freezing, the formation process of ice layers is complex, and the propulsion behavior of the ice-water interface directly affects the morphology of ice adhesion on material surfaces and the effectiveness of subsequent de-icing strategies.

[0003] Existing freezing experimental platforms mostly employ methods such as whole-plate cooling and static liquid cooling to simulate ice growth, lacking means to observe the dynamic progression of the freezing interface, particularly lacking experimental systems capable of finely controlling the initial droplet morphology, thermal field distribution, and interface evolution. These platforms struggle to reproduce the evolution of the freezing front under non-uniform temperature differences, significantly limiting their application in studying microscale freezing behavior and asymmetric icing phenomena in practical engineering. Utility Model Content

[0004] Purpose of the utility model: This utility model proposes a microporous liquid-controlled freezing experimental platform to solve the problems of uncontrollable droplets, inability to adjust temperature difference, and difficulty in observing the freezing interface progression process in existing freezing experiments.

[0005] Technical Solution: This utility model proposes a microporous controlled liquid freezing experimental platform, comprising an overall frame platform, a controlled liquid supply system located at the top of the overall frame platform, a microporous seepage plate located below the controlled liquid supply system, a test plate assembly located below the microporous seepage plate, a temperature control component located below the test plate assembly, and a laser feedback module located below the temperature control component; the controlled liquid supply system includes a liquid storage container and a supply pump connected to the liquid storage container; the test plate assembly includes an ice-freezing container, with a test plate disposed at the bottom of the ice-freezing container; the temperature control component includes a thermally conductive support plate, with a cooling module fixedly connected below the thermally conductive support plate, and several cooling modules arranged side by side in a horizontal direction; the laser feedback module is located below the temperature control component, and an annular slide rail is provided at the bottom of the overall frame platform, on which the laser feedback module slides.

[0006] Preferably, an infrared imaging unit assembly is provided on one side of the test plate assembly. The infrared imaging unit assembly includes a guide rail extending in a straight line and an infrared imaging unit, and the infrared imaging unit slides on the guide rail.

[0007] Preferably, the ice-freezing container has a rectangular groove structure with an opening at the top.

[0008] Preferably, the center of the slide rail is coaxial with the center of the ice-freezing container.

[0009] Preferably, the microporous permeation plate is a hydrophilic polymer membrane plate with regularly arranged circular holes of a fixed diameter of 0.5 mm on its surface.

[0010] Preferably, the overall frame platform is further provided with sliding platforms on both sides, and the test plate is provided with a track below it that cooperates with the sliding platforms, and the test plate is slidably mounted on the sliding platforms.

[0011] Preferably, a data acquisition terminal is fixedly installed at the edge of the overall frame platform, and the infrared imaging unit and the laser feedback module are connected to the data acquisition terminal.

[0012] Beneficial effects: This invention features a complete structure with a clear and reasonable arrangement of liquid transport, droplet formation, ice containment, temperature zone control, and image acquisition components, facilitating the stable formation of the freezing interface and the observation and analysis of the entire process. It employs a microporous hydrophilic membrane to control droplet size, forming a consistent liquid film layer. Combined with the temperature control component, different heat zones can be manually set, resulting in high experimental repeatability and suitability for multi-variable comparative experiments. The invention integrates the infrared imaging unit and laser feedback module at the bottom and side of the platform, enabling synchronous image acquisition and temperature response acquisition during the freezing interface advancement process, facilitating subsequent data analysis and attribution of freezing behavior. The overall platform adopts a modular design, allowing the liquid control system, experimental area, temperature control structure, and acquisition unit to be individually disassembled and replaced, facilitating maintenance, efficient assembly, and strong adaptability. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0014] Figure 2 This is a right view of the overall device of this utility model;

[0015] Figure 3 This is a detailed structural diagram of the liquid control and supply system of this utility model;

[0016] Figure 4 This is a front view schematic diagram of the microporous permeation plate assembly.

[0017] Figure 5 This is a partial structural diagram of the ice-freezing container and test plate assembly;

[0018] Figure 6 This is a schematic diagram of the partition temperature control component; Detailed Implementation

[0019] like Figures 1-6As shown, the present invention proposes a microporous liquid-controlled freezing experimental platform, which includes a liquid supply system 1, a microporous liquid permeation plate 2, an experimental plate assembly 3, a temperature control assembly 4, an infrared imaging unit assembly 5, a laser feedback module 6, and a data acquisition terminal 7.

[0020] like Figure 2 As shown, the liquid supply system 1 includes a liquid storage container 11 at the bottom and a liquid supply pump 13 at the top, connected by a conduit 12. The liquid supply pump is installed at the center of the first platform 81. Liquid is transported by the liquid supply pump 13 to the microporous permeation plate 2 assembly at the top. The microporous permeation plate 2 is a hydrophilic polymer membrane plate with regularly arranged circular pores of a fixed diameter of 0.5 mm on its surface (see...). Figure 4 It is installed horizontally. After the liquid slowly seeps out through the micropores, it forms droplets of uniform size and drips from top to bottom.

[0021] like Figure 5 Below the microporous permeation plate 2, a test plate assembly 3 is provided. The test plate assembly 3 includes an ice-forming container 31, which has a rectangular groove structure with an open top and transparent sides for collecting droplets and forming a liquid film. Sliding platforms 33 are provided on both sides of the second platform 82. The test plate 32 is mounted on the sliding platforms 33, and a track is provided below the test plate 32 to cooperate with the sliding platforms 33. The test plate 32 is used to support the frozen interface and is detachable, allowing for the replacement of different materials for comparative experiments.

[0022] like Figure 6 The temperature control component 4 is installed under the test plate component 3 and located between the sliding platforms 33. It includes multiple cooling modules 41 and a thermally conductive support plate 42. The thermally conductive support plate 42 is in contact with the test plate 32. The lower end of the cooling module 41 is fixed on the second platform 82. The cooling modules 41 are arranged side by side in the horizontal direction. Each module is independently controlled to form a temperature field with different characteristics, which is used to simulate freezing behavior under different thermal environments.

[0023] like Figure 2 Infrared imaging unit 5 is mounted on the first slide rail 51 on the side of the platform and can be moved along the first slide rail 51 to a suitable position to realize infrared observation of the frozen area. Laser feedback module 6 is slidably mounted on the second slide rail 10 at the center of the base of the third platform 83. The second slide rail 10 is shaped like a track, and its center is coaxial with the center of the ice container 31. The laser feedback module 6 has a vertical upward structure, facing the ice container 31, and is used to acquire changes in the height or thickness of the frozen surface. Infrared imaging unit 5 and laser module 6 are connected to data acquisition terminal 7 via signal lines. Terminal 7 is set on the edge of the device base plate and has data display and export functions.

[0024] The components of this invention are installed in a multi-layered frame structure, arranged vertically and securely fixed using threaded connectors. The platform adopts a modular design, facilitating disassembly and maintenance. The systems operate independently, resulting in a compact and rationally laid-out overall structure.

Claims

1. A microporous controlled liquid freezing experimental platform, characterized in that, The system includes an overall frame platform (8), a liquid control and supply system (1) located on top of the overall frame platform (8), a microporous permeation plate (2) located below the liquid control and supply system (1), a test plate assembly (3) located below the microporous permeation plate (2), a temperature control assembly (4) located below the test plate assembly (3), and a laser feedback module (6) located below the temperature control assembly (4); the liquid control and supply system (1) includes a liquid storage container (11) and a liquid supply pump (13) connected to the liquid storage container (11); the test plate assembly (6) includes an overall frame platform (8), a liquid control and supply system (1) located on top of the overall frame platform (8), a microporous permeation plate (2) located below the liquid control and supply system (1), a test plate assembly (3) located below the microporous permeation plate (2), a test plate assembly (3), a temperature control assembly (4) located below the test plate assembly (3), and a laser feedback module (6) located below the temperature control assembly (4); the liquid control and supply system (1) includes a liquid storage container (11) and a liquid supply pump (13) connected to the liquid storage container (11); the test plate assembly (6) includes a microporous permeation plate (2) located below the microporous permeation plate (2), a test plate assembly (3), a test plate assembly (3), a test plate assembly (4), a test plate assembly (5), a test plate assembly (6), a test plate assembly (6), a test plate assembly (7), a test plate assembly (8), a test plate assembly (8), a test plate assembly (8), a test plate assembly (9), a test plate assembly (10), a test plate assembly (11), a test plate assembly (11), a test plate assembly (11), a test plate assembly (12), a test plate assembly (13), a test plate assembly (14), a test plate assembly (15), a test plate assembly (16), a test plate assembly (17), a test plate assembly (18), a test plate assembly (18), a test plate assembly (19), a test The test plate assembly (3) includes an ice container (31) with a test plate (32) at the bottom of the ice container (31); the temperature control assembly (4) includes a heat-conducting support plate (42) with a cooling module (41) fixedly connected below the heat-conducting support plate (42) and several cooling modules (41) arranged side by side in the horizontal direction; the laser feedback module (6) is located below the temperature control assembly (4), and the bottom of the overall frame platform (8) is provided with an annular slide rail (10) on which the laser feedback module (6) slides.

2. The microporous controlled liquid freezing experimental platform according to claim 1, characterized in that, The test plate assembly (3) is provided with an infrared imaging unit assembly (5) on one side. The infrared imaging unit assembly (5) includes a guide rail (51) extending in a straight line and an infrared imaging unit (52). The infrared imaging unit (52) slides on the guide rail (51).

3. The microporous controlled liquid freezing experimental platform according to claim 1, characterized in that, The icing container (31) has a rectangular groove structure with an opening at the top.

4. The microporous controlled liquid freezing experimental platform according to claim 1, characterized in that, The center of the slide rail (10) is coaxial with the center of the ice container (31).

5. The microporous controlled liquid freezing experimental platform according to claim 1, characterized in that, The microporous permeation plate (2) is a hydrophilic polymer membrane plate with circular holes of fixed diameter of 0.5 mm arranged regularly on its surface.

6. The microporous controlled liquid freezing experimental platform according to claim 1, characterized in that, The overall frame platform (8) is also provided with sliding platforms (33) on both sides. The test plate (32) is provided with a track that cooperates with the sliding platform (33) below it. The test plate (32) is slidably set on the sliding platform (33).

7. The microporous controlled liquid freezing experimental platform according to claim 2, characterized in that, A data acquisition terminal (7) is fixedly installed on the edge of the overall frame platform (8), and the infrared imaging unit (52) and the laser feedback module (6) are connected to the data acquisition terminal (7).

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