U-shaped finned tube

Abstract

The utility model discloses a U-shaped finned tube, and belongs to the technical field of finned tubes. The U-shaped finned tube comprises a heating tube arranged in a U shape, the end of the heating tube is connected with sleeve insulating ceramic, the end, away from the heating tube, of the sleeve insulating ceramic is connected with an end, fins are connected to the heating tube, and cooling fins are fixedly connected to the two sides of the fins. The radiating effect of the heating pipe can be improved through the fins and the radiating fins, the fins are installed on the heating pipe through the grooves in a welding or press-fit mode, and the installation stability in a vibration occasion can be guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of fin tubes, in particular to a U-shaped fin tube. Background Art

[0002] Fins refer to the metal sheets with strong thermal conductivity added to the surface of the heat exchange device where heat transfer is required to increase the heat transfer surface area of ​​the heat exchange device. The metal sheets with this function are called fins.

[0003] The existing heat dissipation fin structure has low stability, and its use effect is poor in special occasions with large vibrations. In addition, its heat dissipation area is small and it is not easy to assemble. Utility Model Content

[0004] The utility model aims to solve the problems raised in the above background technology and proposes a U-shaped fin tube.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The U-shaped fin tube comprises a heating tube arranged in a U shape, the end of the heating tube is connected to a sleeve insulating ceramic, the end of the sleeve insulating ceramic away from the heating tube is connected to a terminal, the heating tube is connected to a fin, and heat sinks are fixedly connected to both sides of the fin.

[0007] Preferably, the fin is arranged in a U-shape, and positioning grooves are provided on both sides of the U-shape of the fin, and the positioning grooves are communicated with each other.

[0008] Preferably, the connection between the insulating ceramic sleeve and the heating tube and the end is filled with a sealing mixture.

[0009] Preferably, the terminal is a single plug or a double plug.

[0010] Preferably, the fins are fixed to the heating tube by resistance welding.

[0011] Preferably, the fins are fixedly connected to the heating tube by press-fitting.

[0012] Compared with the prior art, the utility model provides a U-shaped fin tube, which has the following beneficial effects:

[0013] The parts not involved in the device are the same as the existing technology or can be implemented by the existing technology. The utility model can improve the heat dissipation effect of the heating tube by setting fins and heat sinks, and the fins are installed on the heating tube by setting grooves and welding or press-fitting, which can ensure the stability of installation in vibrating environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1This is a schematic diagram of the top view of the U-shaped fin tube proposed by the utility model;

[0015] Figure 2 This is a schematic diagram of the main structure of the U-shaped fin tube proposed by the utility model;

[0016] Figure 3 The side view structural diagram of the U-shaped fin tube proposed by the utility model is shown.

[0017] In the figure: 1, heating tube; 2, sleeve insulating ceramic; 3, end; 4, fin; 401, positioning groove; 402, heat sink. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] Embodiment 1:

[0020] Reference Figure 1-3 The U-shaped fin tube includes a heating tube 1 arranged in a U shape. Specifically, the heating tube 1 is a stainless steel tube. The bent portion of the heating tube 1 needs to be annealed. The end of the heating tube 1 is connected to a sleeve insulating ceramic 2. The end of the sleeve insulating ceramic 2 away from the heating tube 1 is connected to a terminal 3. The heating tube 1 is connected to fins 4. Both sides of the fins 4 are fixedly connected with heat sinks 402, which can increase the heat dissipation area and improve the heat dissipation effect.

[0021] The fin 4 is arranged in a U shape, and positioning grooves 401 are provided on both sides of the U shape of the fin 4. The positioning grooves 401 are connected to each other, so that the two sides of the fin 4 are arranged symmetrically to prevent misalignment and ensure the stability of its heat dissipation.

[0022] The connection between the sleeve insulating ceramic 2 and the heating tube 1 and the end 3 is filled with a sealing mixture to ensure the sealing of the connection.

[0023] The terminal 3 is a single plug or a double plug.

[0024] In each area of ​​the fin 4, both sides of the fin 4 are fixed to the heating tube 1 by resistance welding or press fitting. Figure 2 A slot is provided at the portion where the fin 4 is inserted into the heating tube 1 , and a press fitting or resistance welding is located at the slot to ensure the connection stability between the fin 4 and the heating tube 1 .

[0025] The utility model can improve the heat dissipation effect of the heating tube 1 by providing the fins 4 and the heat sink 402, and the fins 4 are installed on the heating tube 1 by providing the grooves and adopting welding or press-fitting methods, which can ensure the stability of installation in vibration environments.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. U-shaped finned tube, characterized in that: The invention comprises a heating tube (1) arranged in a U shape, wherein the end of the heating tube (1) is connected to a sleeve insulating ceramic (2), the end of the sleeve insulating ceramic (2) away from the heating tube (1) is connected to a terminal (3), the heating tube (1) is connected to a fin (4), and heat sinks (402) are fixedly connected to both sides of the fin (4).

2. The U-shaped fin tube according to claim 1, characterized in that: The fin (4) is arranged in a U-shape, and positioning grooves (401) are provided on both sides of the U-shape of the fin (4), and the positioning grooves (401) are communicated with each other.

3. The U-shaped fin tube according to claim 1, characterized in that: The connection between the sleeve insulating ceramic (2), the heating tube (1) and the end (3) is filled with a sealing mixture.

4. The U-shaped fin tube according to claim 3, characterized in that: The end (3) is a single plug.

5. The U-shaped fin tube according to claim 3, characterized in that: The end (3) is a double plug.

6. The U-shaped fin tube according to claim 1, characterized in that: The fins (4) are fixed to the heating tube (1) by resistance welding.

7. The U-shaped fin tube according to claim 1, characterized in that: The fin (4) is fixedly connected to the heating tube (1) by press-fitting.

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