PTC (Positive Temperature Coefficient) electric heater fin

Abstract

The utility model discloses a PTC (Positive Temperature Coefficient) electric heater fin, which comprises a device body, a first group of fins, a second group of fins, a third group of fins, a fourth group of fins and a heating element are respectively arranged in the device body, the first group of fins comprises a first aluminum radiating fin and a second aluminum radiating fin, and the fourth group of fins comprises a third aluminum radiating fin and a fourth aluminum radiating fin. A first wave fin is installed between the first aluminum cooling fin and the second aluminum cooling fin, a first conductive plate is arranged at one end of the first aluminum cooling fin and one end of the second aluminum cooling fin, a first electrode socket is fixedly arranged on the first conductive plate in a sleeved mode, three sets of PTC heating plates are arranged in the heating piece, the number of each set of PTC heating plates is four, and the number of each set of PTC heating plates is four. A plurality of regularly-broken heat dissipation holes are formed in a single group of fins, so that the heat dissipation efficiency is improved, the power of a PTC heater with the same size is increased, the problem of condensation water residue of an air conditioner is effectively solved through the arrangement of a special shape, and the situation that the aluminum fins are corroded and oxidized by condensation water for a long time to blow out white dust is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of PTC electric heater fins, in particular to PTC electric heater fins. Background Art

[0002] PTC electric heater fins are an important heat exchange element that improves heating efficiency and uniformity by increasing the heat dissipation area. They are widely used in various applications requiring heating, especially in applications that require fast and uniform heating, such as electric vehicle heating systems.

[0003] There are currently roughly two structures of existing PTC electric heater elements. One includes a heating core, an aluminum tube, a heat dissipation strip, high-temperature adhesive silicone, a base, a wire group, etc.; the other includes a heating core, an aluminum tube and a heat dissipation strip as an integral molding process (hereinafter referred to as a finned aluminum tube), a base, a wire group, etc. The first type is composed of an aluminum heat dissipation strip formed by rolling and welding an aluminum strip and bonding and curing the PTC heating piece with silicone. This results in a large amount of materials used in the production of the heat dissipation aluminum strip, a high cost, and a heavy weight of the component product. Therefore, we need to upgrade and transform it based on the existing technology. Utility Model Content

[0004] The purpose of the present utility model is to provide a PTC electric heater fin to solve the problems raised in the above background technology.

[0005] To solve the above problems, the following technical solutions are provided:

[0006] A PTC electric heater fin is designed, comprising a device body, wherein the device body respectively comprises a first group of fins, a second group of fins, a third group of fins, a fourth group of fins and a heating element, wherein the first group of fins comprises an aluminum heat sink 1 and an aluminum heat sink 2, a wavy fin 1 is installed between the aluminum heat sink 1 and the aluminum heat sink 2, and a conductive plate 1 is provided at one end of the aluminum heat sink 1 and the aluminum heat sink 2, and the conductive plate 1 is fixedly sleeved with an electrode socket 1.

[0007] Furthermore, the second group of fins includes aluminum heat sink three and aluminum heat sink four, wavy fin two and wavy fin three are installed between the aluminum heat sink three and aluminum heat sink four, and a conductive plate two is provided at one end of the aluminum heat sink three and aluminum heat sink four, and the conductive plate two fixed sleeve is provided with an electrode socket two.

[0008] Furthermore, the third group of fins includes aluminum heat sink five and aluminum heat sink six, wavy fin four and wavy fin five are installed between the aluminum heat sink five and aluminum heat sink six, and a conductive plate three is provided at one end of the aluminum heat sink five and aluminum heat sink six, and the conductive plate three fixing sleeve is provided with an electrode socket three.

[0009] Furthermore, the fourth group of fins includes aluminum heat sink seven and aluminum heat sink eight, wave fin six is ​​installed between the aluminum heat sink seven and aluminum heat sink eight, and a conductive plate four is provided at one end of the aluminum heat sink seven and aluminum heat sink eight, and the conductive plate four fixing sleeve is provided with an electrode socket four.

[0010] Furthermore, the heating element includes a PTC heating plate, and the PTC heating plates are provided in three groups, with four PTC heating plates in each group, and the PTC heating plates are installed between each group of fins.

[0011] Furthermore, the first group of fins, the second group of fins, the third group of fins and the fourth group of fins are respectively provided with wavy fin one, wavy fin two, wavy fin three, wavy fin four, wavy fin five and wavy fin six, and the wavy fin one, wavy fin two, wavy fin three, wavy fin four, wavy fin five and wavy fin six are all provided with multiple heat dissipation holes that break the regular pattern.

[0012] Furthermore, the wave fin 1, the wave fin 2, the wave fin 3, the wave fin 4, the wave fin 5 and the wave fin 6 are in a continuous wave shape.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. The utility model provides a first group of fins, a second group of fins, a third group of fins and a fourth group of fins, and can design a plurality of broken heat dissipation holes in a single group of fins, thereby ensuring the passage of air volume while increasing the heat dissipation effect, reducing the weight of the material, saving the cost of raw materials, and reducing the cost by 10% to 15% on the basis of the original product of the same power.

[0015] 2. The utility model provides wavy fins 1, wavy fins 2, wavy fins 3, wavy fins 4, wavy fins 5 and wavy fins 6, which can reduce the slender angle of the device through special shape design, and have a semi-transparent effect, effectively solving the problem of residual condensation water in air conditioners, and preventing the aluminum fins from being corroded and oxidized by condensation water for a long time and blowing out white dust.

[0016] With reference to the following description and accompanying drawings, specific embodiments of the present invention are disclosed in detail, indicating how the principles of the present invention can be employed. It should be understood that the embodiments of the present invention are not limited in scope thereby. The embodiments of the present invention include numerous variations, modifications, and equivalents within the spirit and scope of the appended claims. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 A three-dimensional diagram of the overall structure of the PTC electric heater fin according to the present utility model;

[0019] Figure 2 This is an exploded view of the overall structure of the PTC electric heater fin according to the utility model.

[0020] Figure 3 This is an exploded view of the fin structure of the PTC electric heater fin according to the utility model;

[0021] Figure 4 This is an exploded view of a single group of fin structures of the PTC electric heater fins according to the present utility model.

[0022] In the figure: 1. device body; 2. first group of fins; 21. aluminum heat sink one; 22. aluminum heat sink two; 23. wavy fin one; 24. conductive plate one; 25. electrode socket one; 3. second group of fins; 31. aluminum heat sink three; 32. aluminum heat sink four; 33. wavy fin two; 34. wavy fin three; 35. conductive plate two; 36. electrode socket two; 4. third group of fins; 41. aluminum heat sink five; 42. aluminum heat sink six; 43. wavy fin four; 44. wavy fin five; 45. conductive plate three; 46. electrode socket three; 5. fourth group of fins; 51. aluminum heat sink seven; 52. aluminum heat sink eight; 53. wavy fin six; 54. conductive plate four; 55. electrode socket four; 6. heating element; 61. PTC heating plate. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] like Figure 1 - Figure 4As shown, the PTC electric heater fins provided in this embodiment include a device body 1, which respectively includes a first group of fins 2, a second group of fins 3, a third group of fins 4, a fourth group of fins 5 and a heating element 6. The first group of fins 2 includes an aluminum heat sink 1 21 and an aluminum heat sink 2 22. A wavy fin 1 23 is installed between the aluminum heat sink 1 21 and the aluminum heat sink 2 22, and a conductive plate 1 24 is provided at one end of the aluminum heat sink 1 21 and the aluminum heat sink 2 22. The conductive plate 1 24 is fixedly sleeved with an electrode socket 1 25. The second group of fins 3 includes an aluminum heat sink 3 31 and an aluminum heat sink 4 32. A wavy fin 2 33 and a wavy fin 3 34 are installed between the aluminum heat sink 3 31 and the aluminum heat sink 4 32, and a conductive plate 2 35 is provided at one end of the aluminum heat sink 3 31 and the aluminum heat sink 4 32. The conductive plate 2 35 is fixedly sleeved with an electrode socket 2 36. The third group of fins 4 includes aluminum heat sink five 41 and aluminum heat sink six 42, and wavy fin four 43 and wavy fin five 44 are installed between aluminum heat sink five 41 and aluminum heat sink six 42, and conductive plate three 45 is provided at one end of aluminum heat sink five 41 and aluminum heat sink six 42, and conductive plate three 45 is fixedly sleeved with electrode socket three 46. The fourth group of fins 5 includes aluminum heat sink seven 51 and aluminum heat sink eight 52, and wavy fin six 53 is installed between aluminum heat sink seven 51 and aluminum heat sink eight 52, and conductive plate four 54 is fixedly sleeved with electrode socket four 55. By arranging the first group of fins 2, the second group of fins 3, the third group of fins 4 and the fourth group of fins 5, the device can be combined and spliced ​​according to usage needs, which provides convenience for users and increases the practicality of the device.

[0025] In this embodiment, preferably, reference Figure 2 and Figure 3 As shown, the heating element 6 includes a PTC heating plate 61. There are three groups of PTC heating plates 61, and each group of PTC heating plates 61 is provided with four. The PTC heating plates 61 are installed between each group of fins. By setting the heating element 6, each group of fins can be heated evenly, ensuring the safety and stability of each group of fins during use.

[0026] In this embodiment, preferably, reference Figure 3 and Figure 4As shown, the first group of fins 2, the second group of fins 3, the third group of fins 4, and the fourth group of fins 5 are respectively provided with wavy fin 1 23, wavy fin 2 33, wavy fin 34, wavy fin 43, wavy fin 5 44 and wavy fin 6 53. The wavy fin 1 23, wavy fin 2 33, wavy fin 34, wavy fin 43, wavy fin 5 44 and wavy fin 6 53 are all provided with a plurality of heat dissipation holes that are broken into a regular pattern. By setting up a plurality of heat dissipation holes designed with the broken pattern, it is ensured that the air volume passes through while increasing the heat dissipation effect, reducing the weight of the material, saving the cost of raw materials, and reducing the cost by 10% to 15% on the basis of the original product with the same power.

[0027] In this embodiment, preferably, reference Figure 3 and Figure 4 As shown, the shapes of wave fin 1 23, wave fin 2 33, wave fin 34, wave fin 43, wave fin 5 44 and wave fin 6 53 are continuous waves. The wavy design reduces the slender angle of the device and has a semi-transparent effect, which effectively solves the problem of residual condensation water of the air conditioner and prevents the aluminum fins from being corroded and oxidized by condensation water for a long time and blowing out white dust.

[0028] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," "the other end," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0029] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc., should be understood in a broad sense. For example, "connected" may refer to a fixed connection, a detachable connection, or an integral connection; it may refer to a mechanical connection or an electrical connection; it may refer to a direct connection or an indirect connection through an intermediate medium; it may refer to internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0030] The present invention has been described above with reference to specific embodiments. However, those skilled in the art should understand that these descriptions are merely illustrative and are not intended to limit the scope of protection of the present invention. Those skilled in the art may make various modifications and variations to the present invention based on the spirit and principles of the present invention, and such modifications and variations are also within the scope of the present invention.

Claims

1. PTC electric heater fin, characterized in that, The invention comprises a device body (1), wherein the device body (1) respectively comprises a first group of fins (2), a second group of fins (3), a third group of fins (4), a fourth group of fins (5) and a heating element (6); the first group of fins (2) comprises an aluminum heat sink (1) (21) and an aluminum heat sink (22); a wave fin (1) (23) is installed between the aluminum heat sink (1) (21) and the aluminum heat sink (22); and a conductive plate (1) (24) is provided at one end of the aluminum heat sink (1) (21) and the aluminum heat sink (22); and the conductive plate (1) (24) is fixedly sleeved with an electrode socket (1) (25).

2. The PTC electric heater fin according to claim 1, characterized in that: The second group of fins (3) includes aluminum heat sink three (31) and aluminum heat sink four (32), and wave fin two (33) and wave fin three (34) are installed between the aluminum heat sink three (31) and the aluminum heat sink four (32), and a conductive plate two (35) is provided at one end of the aluminum heat sink three (31) and the aluminum heat sink four (32), and the conductive plate two (35) is fixedly sleeved with an electrode socket two (36).

3. The PTC electric heater fin according to claim 1, characterized in that: The third group of fins (4) includes an aluminum heat sink five (41) and an aluminum heat sink six (42), and a wave fin four (43) and a wave fin five (44) are installed between the aluminum heat sink five (41) and the aluminum heat sink six (42), and a conductive plate three (45) is provided at one end of the aluminum heat sink five (41) and the aluminum heat sink six (42), and the conductive plate three (45) is fixedly sleeved with an electrode socket three (46).

4. The PTC electric heater fin according to claim 1, characterized in that: The fourth group of fins (5) includes aluminum heat sink seven (51) and aluminum heat sink eight (52), wave fin six (53) is installed between the aluminum heat sink seven (51) and aluminum heat sink eight (52), and conductive plate four (54) is provided at one end of the aluminum heat sink seven (51) and aluminum heat sink eight (52), and the conductive plate four (54) is fixedly sleeved with electrode socket four (55).

5. The PTC electric heater fin according to claim 1, characterized in that: The heating element (6) contains a PTC heating plate (61), and three groups of the PTC heating plates (61) are provided, with each group of four PTC heating plates (61). The PTC heating plates (61) are installed between each group of fins.

6. The PTC electric heater fin according to claim 1, characterized in that: The first group of fins (2), the second group of fins (3), the third group of fins (4), and the fourth group of fins (5) are respectively provided with a wave fin one (23), a wave fin two (33), a wave fin three (34), a wave fin four (43), a wave fin five (44), and a wave fin six (53); the wave fin one (23), the wave fin two (33), the wave fin three (34), the wave fin four (43), the wave fin five (44), and the wave fin six (53) are all provided with a plurality of heat dissipation holes that are arranged in a regular pattern.

7. The PTC electric heater fin according to claim 6, characterized in that: The wave fin one (23), the wave fin two (33), the wave fin three (34), the wave fin four (43), the wave fin five (44) and the wave fin six (53) are shaped like continuous waves.

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