Refrigerator air duct structure with degerming function

Abstract

The utility model provides a refrigerator air duct structure with a degerming function, and particularly relates to the technical field of refrigeration equipment. The refrigerator air duct structure is installed at the front end of a back plate of a refrigerator storage chamber and comprises an air duct structure body, the interior of the air duct structure body is hollow to form an air duct, and the air duct structure body comprises an air duct cover plate, a leeward plate and foaming plates between the four end faces of the air duct cover plate and the leeward plate; a plurality of air outlets are formed in the foaming plate at equal intervals; and sterilizing and filtering modules are detachably arranged at the air outlets. The device is simple in structure, low in cost and convenient to disassemble, assemble and replace; compared with a traditional sterilization method, a physical sterilization mode is adopted, and the filter element is made of a polypropylene melt-blown material with a porous structure, so that the filter element has excellent filterability, shielding property, air permeability and adiabaticity and is safer and more reliable.

Description

Technical Field

[0001] The utility model relates to the technical field of refrigeration equipment, in particular to a refrigerator air duct structure with a sterilization function. Background Art

[0002] Air-cooled refrigerators typically feature air circulation channels, referred to as "air ducts." Frozen items often harbor pathogens, which can spread through these ducts throughout the refrigerator, contaminating other items. This can especially affect food stored in the refrigerator, where it can carry pathogens. However, most existing sterilization and adsorption modules on the market lack replacement capabilities or are difficult to replace. Consequently, the effectiveness of traditional sterilization and antibacterial methods decreases dramatically with age.

[0003] Therefore, in order to solve the above problems, the present invention provides a refrigerator air duct structure with a sterilization function. Utility Model Content

[0004] To overcome the above-mentioned deficiencies in the existing technology, and to address the issues that most traditional air duct structures lack a sterilization function, bacteria can spread and breed along the air duct, easily posing a food safety hazard, or that traditional sterilization adsorption modules are difficult to replace, and the sterilization effect decreases with increasing use time, the utility model provides a refrigerator air duct structure with a sterilization function, and the specific technical solutions are as follows:

[0005] A refrigerator air duct structure with a sterilization function is installed at the front end of the back panel of the refrigerator storage chamber, including an air duct structure body. The air duct structure body is hollow inside to form an air duct, including an air duct cover, a leeward plate, and a foam plate between the four end faces of the air duct cover and the leeward plate; a plurality of air outlets are arranged at equal intervals on the foam plate; and a sterilization filter module is detachably provided at each of the air outlets.

[0006] Preferably, the sterilizing filtration module comprises a bottom frame and a pressing frame, and the bottom frame and the pressing frame are interference fit; a filter element is provided between the bottom frame and the pressing frame.

[0007] Preferably, mounting grooves are provided at positions on the surface of the foam board corresponding to the air outlets; and a side of the bottom frame away from the filter element is placed in the mounting grooves.

[0008] Preferably, the bottom frame is provided with a first through hole; and the pressing frame is provided with a second through hole.

[0009] Also preferably, the bottom frame and the pressing frame are made of elastic plastic material.

[0010] Also preferably, the filter element is made of polypropylene melt-blown material with a porous structure.

[0011] Also preferably, the fiber diameter of the filter element is 1 to 5 microns.

[0012] Further preferably, two handpieces are symmetrically provided on one side of the pressing frame away from the bottom frame.

[0013] Still further preferably, a plurality of return air vents are provided on the back plate of the storage chamber.

[0014] More preferably, the size of the sterilization and filtration module is designed according to the actual size of the air outlet.

[0015] The beneficial effects of the utility model are:

[0016] 1. The utility model has a simple structure, low cost, easy disassembly and assembly, and easy replacement;

[0017] 2. This utility model adopts physical sterilization method, which is safer and more reliable;

[0018] 3. The sterilization filtration module of the utility model is arranged at the air outlet, which does not occupy storage space and does not affect the aesthetics; in addition, the filter element is made of polypropylene melt-blown material with a porous structure, which has excellent filtering, shielding, air permeability and thermal insulation properties, and has higher filtration efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings that constitute the specification of this application are used to provide further understanding of this application and do not constitute improper limitations on this application.

[0020] Figure 1 This is a schematic diagram of the installation position of the utility model inside the refrigerator;

[0021] Figure 2 This is a schematic diagram of the overall structure of the utility model;

[0022] Figure 3 for Figure 2 A partial enlarged view of point A in the middle;

[0023] Figure 4 (a) is a schematic diagram of the overall structure of the sterilization filtration module;

[0024] Figure 4(b) is an exploded view of the sterilizing filtration module;

[0025] In the figure, 1-storage chamber; 11-return air outlet; 2-air duct structure body; 21-air duct cover; 22-foaming board; 221-air outlet; 23-sterilization filtration module; 231-bottom frame; 2311-first through hole; 232-filter element; 233-pressing frame; 2331-second through hole. DETAILED DESCRIPTION

[0026] The specific implementation of a refrigerator air duct structure with a sterilization function provided by the utility model is further described in conjunction with the accompanying drawings and embodiments.

[0027] like Figure 1-3 As shown, a refrigerator air duct structure with a sterilization function is installed at the front end of the back panel of the refrigerator storage chamber 1, and includes an air duct structure body 2; specifically, the interior of the air duct structure body 2 is hollow to form an air duct structure, including an air duct cover plate 21, a leeward plate, and a foam plate 22 between the air duct cover plate 21 and the four end faces of the leeward plate; preferably, a plurality of air outlets 221 are arranged at equal intervals on the foam plate 22; and a sterilization filter module 23 is detachably provided at each of the air outlets 221.

[0028] like Figures 4(a)-4(b) As shown, the sterilizing and filtering module 23 includes a bottom frame 231 and a pressing frame 233 , and the bottom frame 231 and the pressing frame 233 are interference-fitted with each other; a filter element 232 is provided between the bottom frame 231 and the pressing frame 233 .

[0029] Preferably, mounting grooves are provided on the surface of the foam plate 22 at positions corresponding to the air outlet 221; the side of the bottom frame 231 away from the filter element 232 is placed in the mounting groove, and the greater friction of the foam plate 22 can be used to fix the bottom frame 231 to the foam plate 22 and prevent it from falling off.

[0030] Preferably, a first through hole 2311 is provided on the bottom frame 231 , and a second through hole 2331 is provided on the pressing frame 233 .

[0031] Also preferably, the bottom frame 231 and the pressing frame 233 are both made of elastic plastic material, which is not easily damaged and has a long service life.

[0032] It is also preferred that the filter element 232 is made of a polypropylene melt-blown material with a porous structure, with many gaps and a fluffy structure. The fiber diameter of the filter element 232 is 1 to 5 microns, and it has excellent filtering, shielding, air permeability and thermal insulation properties, and has higher filtration efficiency.

[0033] Still further preferably, two handpieces are symmetrically provided on one side of the pressing frame 233 away from the bottom frame 231 , so as to facilitate the user to take out the sterilizing filtration module 23 when disassembling, assembling or replacing it.

[0034] More preferably, a plurality of return air vents 11 are provided on the back plate of the storage chamber 1. Of course, in order to further provide a sterilization effect, a sterilization filter module 23 can also be provided at the return air vents 11, which is not a further limitation of the present invention.

[0035] It is worth noting that the size of the sterilization and filtration module 23 can be designed according to the actual size of the air outlet 221 or the return air outlet 11, which is more flexible and has a more stable connection.

[0036] The utility model has a simple structure, low cost, and is easy to disassemble and replace; it adopts a physical sterilization method, which is safer and more reliable; the sterilization filter module is arranged at the air outlet, which does not take up storage space and does not affect the overall aesthetics of the product.

[0037] In the present invention, the directions or positional relationships indicated by terms such as "upper", "lower", "bottom", "top", etc. are based on the directions or positional relationships shown in the accompanying drawings. They are merely relational terms determined for the convenience of describing the structural relationships of the various parts or elements of the present invention. They do not specifically refer to the parts or elements of the present invention and cannot be understood as limitations on the present invention. Terms such as "connected" and "connect" should be understood in a broad sense, indicating that they can be fixedly connected, integrally connected, or detachably connected; they can be directly connected or indirectly connected through an intermediate medium. For relevant scientific research or technical personnel in this field, the specific meanings of the above terms in the present invention can be determined according to specific circumstances, and they cannot be understood as limitations on the present invention.

[0038] Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by technicians in this technical field within the essential scope of the present invention should also fall within the scope of protection of the present invention.

Claims

1. A refrigerator air duct structure with a sterilization function, installed at the front end of the back plate of the refrigerator storage compartment, including an air duct structure body, characterized in that: The air duct structure body is hollow inside to form an air duct, including an air duct cover plate, a leeward plate, and a foam plate between the four end surfaces of the air duct cover plate and the leeward plate; The foaming plate is provided with a plurality of air outlets at equal intervals; A sterilization and filtration module is detachably provided at the air outlet.

2. The refrigerator air duct structure with sterilization function according to claim 1, characterized in that: The sterilizing and filtering module comprises a bottom frame and a pressing frame, and the bottom frame and the pressing frame are interference-fitted with each other; a filter element is arranged between the bottom frame and the pressing frame.

3. The refrigerator air duct structure with sterilization function according to claim 2, characterized in that: The surface of the foam board is provided with mounting grooves at positions corresponding to the air outlets; The side of the bottom frame away from the filter element is placed in the installation groove.

4. The refrigerator air duct structure with sterilization function according to claim 2, characterized in that: The bottom frame is provided with a first through hole; the pressing frame is provided with a second through hole.

5. The refrigerator air duct structure with sterilization function according to claim 2, characterized in that: The bottom frame and the pressing frame are made of elastic plastic material.

6. The refrigerator air duct structure with sterilization function according to claim 2, characterized in that: The filter element is made of polypropylene melt-blown material with a porous structure.

7. The refrigerator air duct structure with sterilization function according to claim 6, characterized in that: The fiber diameter of the filter element is 1 to 5 microns.

8. The refrigerator air duct structure with sterilization function according to claim 2, characterized in that: Two hand-held pieces are symmetrically arranged on one side of the pressing frame away from the bottom frame.

9. The refrigerator air duct structure with sterilization function according to claim 1, characterized in that: A plurality of return air vents are provided on the back plate of the storage chamber.

10. The refrigerator air duct structure with sterilization function according to claim 2, characterized in that: The size of the sterilization and filtration module is designed according to the actual size of the air outlet.

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