Device for detecting flow field of air duct of refrigerator freezer equipment

By using smoke and laser light curtain technology in the air duct of refrigerator refrigerator equipment to detect and analyze the air duct flow field, the problem that traditional testing methods are difficult to adapt to complex shape air ducts is solved, and the optimization of air duct performance and the improvement of overall performance of the refrigerator is achieved.

CN223037345UActive Publication Date: 2025-06-27ZHENJIANG HOLY ELECTRONICS
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Patent Information

Application Number
CN202422289298.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-19
Publication Date
2025-06-27
Estimated Expiration
2034-09-19

AI Technical Summary

Technical Problem

The air ducts of existing refrigerator refrigerator equipment are complex in structure and irregular in shape, making it difficult for traditional testing methods to adapt to the testing needs of various air ducts.

Method used

An air duct flow field detection device is designed including a workbench, a smoke generating assembly and a laser generator. The smoke generator transmits smoke into the air duct through the smoke generator, and the laser generator generates a laser light curtain in the smoke to show the flow field of the air duct. High-speed cameras capture laser light curtain images and analyze airflow distribution and vortex current conditions.

Benefits of technology

It realizes intuitive visual inspection of the airflow field inside the air duct of the refrigerator refrigerator equipment, and provides detailed data support to help designers and engineers optimize the air duct design and improve the overall performance of the refrigerator.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223037345U_ABST
    Figure CN223037345U_ABST
Patent Text Reader

Abstract

The utility model discloses a refrigerator and freezer equipment air channel flow field detection device which comprises a workbench, a smoke generation assembly is arranged beside the workbench, the output end of the smoke generation assembly is connected with a refrigerator and freezer equipment air channel, and the refrigerator and freezer equipment air channel is installed on the workbench. Laser generators are arranged on the workbench and located on the two sides of an air duct of the refrigerator and freezer equipment; the laser generator generates a laser light curtain at the position of smoke in an air duct of refrigerator and freezer equipment through laser to display airflow distribution. According to the utility model, the laser generator and the smoke generation assembly are arranged, and the combination of the laser light curtain and the smoke is adopted, so that the airflow distribution condition in the air duct of the refrigerator freezer equipment can be visually displayed, a visual test means is provided, and the detection of the performance of the air duct is facilitated.
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Description

Technical Field

[0001] The utility model relates to a device for detecting the air duct flow field of a refrigerator and freezer equipment. Background Art

[0002] At present, the popularization of refrigerator and freezer equipment has made the air duct design diversified. The performance of the air duct has a direct impact on the refrigeration efficiency and energy consumption of the refrigerator and freezer equipment.

[0003] The existing air duct design of refrigerator and freezer equipment often relies on experience for optimization and lacks intuitive testing means to measure the actual effect of the design. The air duct structure of refrigerator and freezer equipment is complex and irregular in shape, making it difficult for traditional testing methods to meet the testing requirements of various air ducts.

[0004] Therefore, a device for detecting the air duct flow field of a refrigerator and freezer equipment is proposed. Content of the Utility Model

[0005] The purpose of the utility model is to provide a device for detecting the air duct flow field of a refrigerator and freezer equipment, so as to solve the problem that the existing air duct structure of the refrigerator and freezer equipment is complex and irregular in shape, making it difficult for traditional testing methods to meet the testing requirements of various air ducts as mentioned in the above background art.

[0006] To solve the above technical problems, the utility model provides the following technical solution: a device for detecting the air duct flow field of a refrigerator and freezer equipment, including a workbench, a smoke generating component is arranged beside the workbench, the output end of the smoke generating component is connected to the air duct of the refrigerator and freezer equipment, and the air duct of the refrigerator and freezer equipment is installed on the workbench;

[0007] Laser generators are arranged on both sides of the workbench where the air duct of the refrigerator and freezer equipment is located;

[0008] Wherein, the laser generator generates a laser light curtain through the laser at the smoke inside the air duct of the refrigerator and freezer equipment to display the air duct flow field.

[0009] Preferably, the smoke generating component includes a smoke generator, and the output end of the smoke generator is connected to the air duct of the refrigerator and freezer equipment through a smoke pipeline.

[0010] Preferably, the two groups of laser generators are respectively located at the middle positions on both sides of the air duct of the refrigerator and freezer equipment, so that the laser generator refracts the smoke inside the air duct of the refrigerator and freezer equipment through the laser to generate a laser light curtain of the cross-section of the air duct of the refrigerator and freezer equipment.

[0011] Preferably, the two groups of laser generators are symmetrically arranged on both sides of the air duct of the refrigerator and freezer equipment, so that the laser light curtain generated by the laser generator includes the cross-section of the air duct of the refrigerator and freezer equipment.

[0012] Preferably, a high-speed camera for capturing laser light curtain images is provided directly in front of the air duct of the refrigerator-freezer equipment on the workbench.

[0013] Preferably, a fan for controlling the flow of smoke is provided at the connection of the smoke premixing pipe in the air duct of the refrigerator-freezer equipment.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] By providing a laser generator and a smoke generating assembly, the present utility model combines a laser light curtain and smoke to visually display the internal airflow field distribution of the air duct of the refrigerator-freezer equipment, providing a visual test method that helps designers and engineers detect the performance of the air duct.

[0016] The ability of the high-speed camera to capture laser light curtain images enables the device to accurately analyze the internal flow field state of the air duct, including vortices, air flow velocity and direction, etc., thus providing detailed data support for the optimization of air duct design.

[0017] By detecting and analyzing the air duct flow field conditions, problems affecting the performance of the refrigerator-freezer, such as uneven temperature and high energy consumption, can be discovered and solved, thereby optimizing the air duct design and improving the overall performance of the refrigerator.

[0018] By detecting the vortices and air flow states in the air duct, the air duct structure can be improved to reduce the noise generated by air flow disturbance and enhance the user experience.

[0019] This device can be used as a quality inspection tool during the production process of air ducts to ensure that each air duct product meets the design standards, improving the consistency and reliability of the products.

[0020] Since this device can adapt to air ducts of different shapes and structures, it has good versatility and can be widely used in the testing and analysis of air ducts of various refrigerator-freezer equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0022] Figure 2 It is a schematic diagram of the air duct structure of the refrigerator-freezer equipment of an embodiment of the present utility model.

[0023] In the figure: 100, workbench; 200, smoke generating assembly; 201, smoke generator; 202, smoke pipe; 300, air duct of refrigerator-freezer equipment; 400, laser generator; 500, high-speed camera; 600, fan. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] In order to facilitate the solution of the problem that the air duct structure of existing refrigerator and freezer equipment is complex and irregular in shape, making it difficult for traditional testing methods to meet the testing requirements of various air ducts, the embodiment of the present utility model provides an air duct flow field detection device for refrigerator and freezer equipment. Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] Please refer to Figure 1-2 , the present utility model provides a workbench 100, a smoke generating assembly 200 is arranged beside the workbench 100, the smoke generating assembly 200 includes a smoke generator 201, and the output end of the smoke generator 201 is connected to the air duct 300 of the refrigerator and freezer equipment through a smoke pipe 202. A blower 600 for controlling the flow of smoke is arranged at the connection of the smoke premixing pipe where the air duct 300 of the refrigerator and freezer equipment is located.

[0026] The output end of the smoke generating assembly 200 is connected to the air duct 300 of the refrigerator and freezer equipment, and the air duct 300 of the refrigerator and freezer equipment is installed on the workbench 100; a high-speed camera 500 for capturing laser light curtain images is arranged in front of the workbench 100 directly in front of the air duct 300 of the refrigerator and freezer equipment.

[0027] Laser generators 400 are arranged on both sides of the air duct 300 of the refrigerator and freezer equipment on the workbench 100;

[0028] Among them, the laser generator 400 generates a laser light curtain through the laser in the smoke inside the air duct 300 of the refrigerator and freezer equipment to display the air duct flow field. The two groups of laser generators 400 are respectively located at the middle positions on both sides of the air duct 300 of the refrigerator and freezer equipment, so that the laser generator 400 refracts the smoke inside the air duct 300 of the refrigerator and freezer equipment through the laser to form a laser light curtain on the cross-section of the air duct 300 of the refrigerator and freezer equipment. The two groups of laser generators 400 are symmetrically arranged on both sides of the air duct 300 of the refrigerator and freezer equipment, so that the laser light curtain generated by the laser generator 400 encompasses the cross-section of the air duct 300 of the refrigerator and freezer equipment.

[0029] The working principle of an air duct flow field detection device for refrigerator and freezer equipment provided by the present utility model is as follows:

[0030] During use, the air duct 300 of the refrigerator and freezer equipment is fixed on the workbench 100.

[0031] Connect the smoke generating assembly 200 to the input end of the air duct 300 of the refrigerator and freezer equipment.

[0032] Ensure that the laser generator 400 is correctly installed at the middle position on both sides of the air duct.

[0033] Calibrate the high-speed camera 500 to align with the cross-section of the air duct.

[0034] Connect and test the fan 600 used to control the smoke flow.

[0035] Start the smoke generator 201: Start the smoke generator 201 and convey smoke into the air duct 300 of the refrigerator and freezer equipment through the smoke pipe 202.

[0036] Generate a laser light curtain: Start the laser generator 400 to generate a laser light curtain in the smoke inside the air duct.

[0037] Capture images: Capture images of the interaction between the laser light curtain and the smoke through the high-speed camera 500.

[0038] Data analysis: Analyze the images captured by the high-speed camera 500 to determine the air flow distribution and vortex situation inside the air duct, and then complete the detection of the air duct 300 of the refrigerator and freezer equipment.

[0039] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for detecting air duct flow field of refrigerator and freezer equipment, characterized in that: Comprising a workbench (100), a smoke generating assembly (200) is arranged next to the workbench (100), an output end of the smoke generating assembly (200) is connected to a refrigerator and freezer equipment air duct (300), and the refrigerator and freezer equipment air duct (300) is installed on the workbench (100); The workbench (100) is located on both sides of the refrigerator and freezer equipment air duct (300) and is provided with a laser generator (400); The laser generator (400) generates a laser light curtain at the smoke inside the air duct (300) of the refrigerator and freezer equipment through laser to display the air duct flow field.

2. The device for detecting air duct flow field of refrigerator and freezer equipment according to claim 1, characterized in that: The smoke generating assembly (200) comprises a smoke generator (201), and an output end of the smoke generator (201) is connected to a refrigerator and freezer equipment air duct (300) via a smoke pipe (202).

3. The device for detecting air duct flow field of refrigerator and freezer equipment according to claim 2, characterized in that: The two groups of laser generators (400) are respectively located at the middle positions of both sides of the refrigerator and freezer equipment air duct (300), so that the laser generators (400) refract smoke inside the refrigerator and freezer equipment air duct (300) through lasers to form a laser light curtain on the cross-section of the refrigerator and freezer equipment air duct (300).

4. The device for detecting air duct flow field of refrigerator and freezer equipment according to claim 3, characterized in that: The two groups of laser generators (400) are symmetrically arranged on both sides of the refrigerator and freezer equipment air duct (300), so that the laser light curtain generated by the laser generators (400) covers the cross-section of the refrigerator and freezer equipment air duct (300).

5. The device for detecting air duct flow field of refrigerator and freezer equipment according to claim 4, characterized in that: The workbench (100) is located directly in front of the refrigerator and freezer equipment air duct (300) and is provided with a high-speed camera (500) for capturing a laser light curtain image.

6. The device for detecting air duct flow field of refrigerator and freezer equipment according to claim 5, characterized in that: The refrigerator and freezer equipment air duct (300) is provided with a fan (600) for controlling the flow of smoke at the connection point of the smoke premixing pipe.