Fin heater
By designing heat dissipation fins on the periphery of the stainless steel heating tube on the refrigerator heater, the problems of uneven heat distribution and insufficient heat dissipation performance are solved, and efficient heat exchange and energy saving effects are achieved. At the same time, the structure is compact and easy to install and maintain.
Patent Information
- Application Number
- CN202422820105.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-19
- Publication Date
- 2025-09-26
- Estimated Expiration
- 2034-11-19
AI Technical Summary
Existing refrigerator heaters have problems such as uneven heat distribution, low heating efficiency, complex structure, great processing difficulty and insufficient heat dissipation performance.
The heat exchange performance is optimized by evenly arranging heat dissipation fins on the outer circumference of the stainless steel heating tube and using a fin heater structure consisting of a lead rod, a shell, an alloy heating wire, a sealing material, an insulating powder and porcelain beads.
It improves heat exchange efficiency, reduces energy consumption, achieves energy conservation and emission reduction, and has a compact structure and is easy to install and maintain.
Smart Images

Figure CN223388806U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of refrigerators, in particular to a fin heater. Background Art
[0002] The defrost heater in today's refrigerators is a crucial component of the refrigerator's automated defrosting system. Its primary function is to melt frost by heating the heater surface when frost forms, maintaining efficient operation. Defrost heaters primarily come in steel tube, aluminum tube, and quartz tube configurations. These heaters consume electricity to generate heat during defrosting, melting the frost on the heater surface.
[0003] The heaters in the prior art have the following problems: uneven heat distribution, resulting in low heating efficiency; complex heater structure and difficulty in processing; insufficient thermal resistance and heat dissipation performance, affecting the efficient operation of the refrigerator. Utility Model Content
[0004] The purpose of the present invention is to provide a fin heater, aiming to solve at least one of the technical problems existing in the above-mentioned prior art. To achieve the above-mentioned purpose, the technical solution adopted by the present invention is as follows:
[0005] A fin heater includes a stainless steel heating tube, and heat dissipation fins are evenly distributed on the outer circumference of the stainless steel heating tube. The heat dissipation fins include a lead-out rod and an outer shell. One end of the lead-out rod is embedded in the outer shell, and the other end of the lead-out rod is located outside the outer shell for fixed connection with the stainless steel heating tube.
[0006] As a further solution of the present invention: an alloy heating wire is installed at the end of the lead-out rod located inside the shell.
[0007] As a further solution of the present invention: the connection between the shell and the lead-out rod is filled with sealing material.
[0008] As a further solution of the present invention: the shell is further filled with insulating powder.
[0009] As a further solution of the present invention: porcelain beads are arranged around the connection between the outer side of the shell and the lead-out rod.
[0010] As a further solution of the present invention: the stainless steel heating tube is a U-shaped structure, and both ends of the stainless steel heating tube are sequentially sleeved with a fixing flange, a flat washer, a spring washer, and an M16 nut from the inside to the outside.
[0011] As a further solution of the present invention: 250 plugs are connected to the ends of the stainless steel heating tube.
[0012] As a further solution of the present invention: the heat dissipation fins can be arranged in any of the following ways: longitudinal configuration, transverse configuration and spiral configuration.
[0013] The utility model has the following beneficial effects:
[0014] The utility model provides a fin heater composed of one or more parallel and closely arranged stainless steel heating tubes, the tube walls of which are inlaid with heat dissipation fins made of metal fins. The heat dissipation fins expand the surface area of the heat exchange tubes, improve the heat exchange effect, and help to more effectively transfer the heat generated by the heating tubes to the surrounding air. Compared with traditional heating methods, fin heaters can reduce energy consumption under the same conditions and achieve energy conservation and emission reduction. It solves the problems of existing heaters such as uneven heat distribution, low heating efficiency, complex heater structure, difficult processing, insufficient thermal resistance and heat dissipation performance, which affect the efficient operation of refrigerators. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The present invention will be further described below with reference to the accompanying drawings.
[0016] Figure 1 This is a schematic top view of a fin heater structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the structure of a fin heater of the utility model;
[0018] Figure 3 It is a schematic diagram of the internal structure of the heat dissipation fin of the utility model.
[0019] In the figure: 1. Stainless steel heating tube; 2. Heat dissipation fin; 21. Lead rod; 22. Shell; 23. Alloy heating wire; 24. Sealing material; 25. Insulation powder; 26. Ceramic beads; 3. Fixing flange; 4. Flat washer; 5. Spring washer; 6. Nut; 7. Insert. DETAILED DESCRIPTION
[0020] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0021] In the description of the present invention, it should be understood that the terms "up", "down", "left", "right", "front", "back", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, and a specific direction structure and operation. Therefore, they cannot be understood as a limitation on the present invention.
[0022] In addition, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they can refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediary; and internal communication between two components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on specific circumstances.
[0023] See also Figure 1-3 As shown, an embodiment of the present invention provides a fin heater, which is composed of one or more parallel and closely arranged stainless steel heating tubes 1. The stainless steel heating tube 1 is the core part of the fin heater and is usually a metal tube that can generate heat by passing an electric current inside. The wall of the stainless steel heating tube 1 is inlaid with heat dissipation fins 2 made of metal fins. The heat dissipation fins 2 can be arranged in any of the following ways: longitudinal, transverse, and spiral configurations. The function of the heat dissipation fins 2 is to expand the surface area of the heat exchange tube and improve the heat exchange effect. The heat dissipation fins 2 help to more efficiently transfer the heat generated by the heating tube to the surrounding air.
[0024] See also Figure 3 As shown, in this embodiment, the heat sink 2 includes a lead-out rod 21 and a shell 22. One end of the lead-out rod 21 is embedded in the shell 22, and the other end of the lead-out rod 21 is located outside the shell 22, for being fixedly connected to the stainless steel heating tube 1. The lead-out rod 21 stably fixes the heat sink 2 and the stainless steel heating tube 1 together, so that the heat sink 2 does not shake during use. An alloy heating wire 23 is installed at the end of the lead-out rod 21 located in the shell 22. The connection between the shell 22 and the lead-out rod 21 is filled with sealing material 24. The shell 22 is also filled with insulating powder 25. Ceramic beads 26 are arranged around the connection between the outer side of the shell 22 and the lead-out rod 21. The porcelain beads 26 can prevent the connection between the shell 22 and the lead-out rod 21 from loosening.
[0025] See also Figure 1 As shown, in this embodiment, the stainless steel heating tube 1 is a U-shaped structure, and the two ends of the stainless steel heating tube 1 are sequentially provided with a fixing flange 3, a flat washer 4, a spring washer 5, and an M16 nut 6 from the inside to the outside, and the two ends of the stainless steel heating tube 1 are connected with a 250 plug 7.
[0026] The fixing flange 3 is a disc-shaped component used to connect pipes or fix certain components on equipment.
[0027] The flat washer 4 is used to provide uniform pressure between the nut 6 and the connected parts to prevent the nut 6 from loosening.
[0028] The spring washer 5 is an elastic washer used under the nut 6 to keep the nut 6 in a tight state and prevent it from loosening due to vibration or other reasons.
[0029] M16 nut 6 is a standard size nut 6, M16 means the nominal diameter of the nut 6 is 16 mm. It is used to fix the fin heater to a certain part of the refrigerator.
[0030] The 250 plug-in 7 is used to fix or connect the fin heater.
[0031] The stainless steel heating tube 1 is located in the center, with heat fins 2 closely arranged around its periphery. A fixing flange 3 surrounds the stainless steel heating tube 1 and heat fins 2 to secure them in place. Flat washers 4 and spring washers 5 are used around the edges of fixing flange 3 to secure nuts 6.
[0032] The utility model has the following advantages:
[0033] Efficient Heat Exchange: The design of the fins significantly increases the surface area of the fin heater, thereby improving heat exchange efficiency. The efficient heat transfer performance of the fin heater allows for full utilization of heat, reducing energy waste. Compared to traditional heating methods, fin heaters can reduce energy consumption under the same conditions, achieving energy conservation and emission reduction.
[0034] Compact Structure: The fin heater's compact design and small footprint make it a significant advantage in applications where space is limited. By optimizing the fin arrangement and piping layout, maximum heat exchange can be achieved within a limited space. Furthermore, the compact structure helps reduce installation and maintenance workload, lowering operating costs.
[0035] Highly adaptable: Fin heaters are adaptable to a wide range of media and environmental conditions. Whether it's corrosive media or high-temperature, high-pressure environments, they can be tailored to meet specific requirements by selecting the right materials and design. Furthermore, fin heaters can be customized to meet specific needs, such as by changing the shape, material, and size of the fins to suit different application scenarios.
[0036] Strong customizability: The fin heater can be designed and manufactured according to specific process requirements, including the shape, size, material, etc. of the heat dissipation fins 2 can be adjusted according to actual conditions to meet different engineering needs.
[0037] Easy to install and maintain: The modular design of the fin heater makes the installation process simple and quick, reducing installation costs and time. At the same time, its compact structure and easy maintenance reduce maintenance costs.
[0038] The above detailed description of the preferred embodiments of the present invention should not be considered as limiting the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.
Claims
1. A fin heater, comprising a stainless steel heating tube (1), wherein heat dissipation fins (2) are evenly distributed on the outer circumference of the stainless steel heating tube (1), characterized in that: The heat dissipation fin (2) comprises a lead-out rod (21) and a shell (22), one end of the lead-out rod (21) is embedded in the shell (22), and the other end of the lead-out rod (21) is located outside the shell (22) and is used for fixed connection with the stainless steel heating tube (1).
2. The fin heater according to claim 1, characterized in that: An alloy heating wire (23) is installed at the end of the lead-out rod (21) located inside the housing (22).
3. The fin heater according to claim 2, characterized in that: The connection between the housing (22) and the lead-out rod (21) is filled with a sealing material (24).
4. The fin heater according to claim 3, characterized in that: The shell (22) is also filled with insulating powder (25).
5. The fin heater according to claim 4, characterized in that: A porcelain bead (26) is arranged around the connection between the outer side of the housing (22) and the lead-out rod (21).
6. The fin heater according to claim 1, characterized in that: The stainless steel heating tube (1) is a U-shaped structure, and both ends of the stainless steel heating tube (1) are sequentially sleeved with a fixing flange (3), a flat washer (4), a spring washer (5), and an M16 nut (6) from the inside to the outside.
7. The fin heater according to claim 6, characterized in that: The ends of both ends of the stainless steel heating tube (1) are connected with 250 inserts (7).
8. A fin heater according to any one of claims 1 to 7, characterized in that: The heat dissipation fins (2) can be arranged in any one of a longitudinal configuration, a transverse configuration and a spiral configuration.