Cooling fin structure, radiator and heater

Abstract

The utility model relates to the technical field of heat dissipation, in particular to a radiating fin structure, a radiator and a heater, the radiating fin structure comprises a plurality of radiating fin units, and the plurality of radiating fin units comprise first radiating fin units and second radiating fin units which are alternately arranged; each of the first radiating fin unit and the second radiating fin unit comprises a first fin and a second fin, the top end of the first fin and the top end of the second fin of the same radiating fin unit are connected together, and the bottom end of the first fin and the bottom end of the second fin of the same radiating fin unit are separately arranged; according to the radiating fin, the first fin and the second fin are arranged in the adjacent radiating fin units to be connected in a crossed manner, so that the adjacent radiating fin units support each other, the plurality of radiating fin units form a whole, each radiating fin unit is not independent, and the plurality of radiating fin units support each other; therefore, the anti-extrusion capability in the transverse direction or the anti-bending capability in the extending direction of the whole radiating fin structure is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat dissipation, in particular to a heat sink structure, a radiator and a heater. Background Art

[0002] In order to improve the heat dissipation efficiency, it is necessary to use auxiliary heat dissipation sheet fins or corrugated fins as the heat dissipation structure. However, the self-strength of the sheet fins and the corrugated fins is insufficient, and the heating pipe bodies using the sheet heat dissipation fins and the corrugated fins are prone to deformation and bending during processing and transportation, affecting the quality. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a heat sink structure, a radiator and a heater.

[0004] The utility model aims to design a heat sink structure,

[0005] including a plurality of heat sink units, and the plurality of heat sink units include alternately arranged first heat sink units and second heat sink units;

[0006] Both the first heat sink unit and the second heat sink unit include a first sheet and a second sheet. The top ends of the first sheet and the second sheet of the same heat sink unit are connected together, and the bottom ends of the first sheet and the second sheet of the same heat sink unit are separately arranged;

[0007] In each adjacent first heat sink unit and second heat sink unit, the first sheet of the first heat sink unit and the second sheet of the second heat sink unit are adjacent and cross-connected, and the bottom end of the first sheet of the first heat sink unit is located between the bottom ends of the first sheet and the second sheet of the second heat sink unit, and the bottom end of the second sheet of the second heat sink unit is located between the bottom ends of the first sheet and the second sheet of the first heat sink unit.

[0008] In some embodiments, the heat sink structure further includes: a first base;

[0009] The heat sink units are connected to the first base, and the bottom ends of the first sheet and the second sheet are both connected to the first base.

[0010] In some embodiments, the heat sink units composed of the alternately arranged first heat sink units and second heat sink units form a truss-like overall structure;

[0011] The first sheet of the first heat sink unit and the first sheet of the second heat sink unit have the same inclination direction, and the second sheet of the first heat sink unit and the second sheet of the second heat sink unit have the same inclination direction;

[0012] The inclination direction of the first sheet is opposite to that of the second sheet.

[0013] In some embodiments, the first sheet and the second sheet of each first heat sink unit form a triangular structure with the first substrate as the bottom surface;

[0014] The first sheet and the second sheet of each second heat sink unit form a triangular structure with the first substrate as the bottom surface.

[0015] In some embodiments, the first sheet and the second sheet of each first heat sink unit are equal in length and form an isosceles triangular structure with the first substrate as the bottom surface;

[0016] The first sheet and the second sheet of each second heat sink unit are equal in length and form an isosceles triangular structure with the first substrate as the bottom surface.

[0017] In some embodiments, the angle of the apex of the isosceles triangular structure is α, and the angle of the base angle is β;

[0018] Where: α ≤ 60°, β ≥ 60°, α + 2β = 180°, or,

[0019] Where: α = 20° - 30°, β = 75° - 80°, α + 2β = 180°.

[0020] In some embodiments, the cross - connection position of the first sheet of the first heat sink unit and the second sheet of the second heat sink unit is at the mid - point position in the length direction of the first sheet and at the mid - point position in the length direction of the second sheet.

[0021] In some embodiments, a radiator is provided, including: a second substrate and,

[0022] The above - mentioned heat sink structure;

[0023] Wherein, the heat sink structure is connected to the second substrate, or,

[0024] The heat sink structure includes a first substrate, the heat sink unit is connected to the first substrate, the bottom ends of the first sheet and the second sheet are both connected to the first substrate, and the heat sink structure is fixed to the second substrate through the first substrate.

[0025] In some embodiments, the radiator includes a first heat sink structure and a second heat sink structure;

[0026] The first heat sink structure and the second heat sink structure are arranged side by side;

[0027] For adjacent first and second heat sink structures, a first heat sink unit in the first heat sink structure and a second heat sink unit in the second heat sink structure are staggered with each other along the extending direction of the radiator.

[0028] In some embodiments, the radiator includes a third heat sink structure;

[0029] The third heat sink structure and the second heat sink structure are arranged side by side;

[0030] For adjacent second and third heat sink structures, a second heat sink unit in the second heat sink structure and a third heat sink unit in the third heat sink structure are staggered with each other along the extending direction of the radiator.

[0031] In some embodiments, there is a gap between adjacent heat sink structures along their side-by-side arrangement direction.

[0032] In some embodiments, a heater is provided, including:

[0033] An electric heating flat tube;

[0034] On the upper and lower wall surfaces opposite to each other of the electric heating flat tube, the above-mentioned heat sink structures are respectively fixed, and the heat sink structures are fixedly connected or integrally formed with the electric heating flat tube.

[0035] The solution provided by the present utility model has the following beneficial effects compared with the prior art:

[0036] By arranging the first sheet and the second sheet to be cross-connected in adjacent heat sink units, adjacent heat sink units support each other, so that a plurality of heat sink units form a whole, and each heat sink unit does not exist independently. A mutual support relationship is formed between the plurality of heat sink units, so that the overall heat sink structure is greatly improved in both the lateral anti-extrusion ability and the anti-bending ability in the extending direction. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] The accompanying drawings, as a part of the present utility model, are used to provide a further understanding of the present utility model. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model, but do not constitute an improper limitation to the present utility model. Obviously, the accompanying drawings in the following description are only some embodiments. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without creative efforts. In the drawings:

[0038] Figure 1 is a schematic structural diagram of a heat sink shown in an embodiment of the present utility model;

[0039] Figure 2 is a schematic structural diagram of a radiator shown in an embodiment of the present utility model (the arrow direction represents the air flow direction);

[0040] Figure 3 is a schematic structural diagram of a heater shown in an embodiment of the present utility model;

[0041] Figure 4 is the present utility model Figure 3 the enlarged schematic diagram at A in;

[0042] Figure 5 is the present utility model Figure 2 the front view and top view of the radiator structure in;

[0043] Figure 6 is the present utility model Figure 1 the front view of the heat sink structure in (the arrow direction represents the force direction).

[0044] In the figure: 1 - the first substrate, 101 - the first heat dissipation main board, 102 - the second heat dissipation main board, 103 - the connecting plate, 2 - the heat sink unit, 201 - the first fin, 202 - the second fin, 100 - the first heat sink structure, 200 - the second heat sink structure, 300 - the third heat sink structure, 100a - the first heat sink unit, 200a - the second heat sink unit, 300a - the third heat sink unit, 400 - the first radiator, 500 - the second radiator, 6 - the electric heating flat tube.

[0045] It should be noted that these drawings and text descriptions are not intended to limit the scope of the concept of the present utility model in any way, but to illustrate the concept of the present utility model to those skilled in the art by referring to specific embodiments. Detailed implementation manners

[0046] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "inner" and "outer" is based on the orientation or positional relationship shown in the drawings. This is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.

[0047] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, terms such as "installation", "connection", "contact", and "communication" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0048] Traditional heaters have the following disadvantages: First, in heaters, the most common are sheet-like fins, and their heat dissipation effect is average. Second, the fins are formed by the process of shoveling sheets, and the overall material consumption is large and the weight is heavy, resulting in a relatively high manufacturing cost. Third, whether it is sheet-like fins or corrugated fins, there is a problem of insufficient self-strength. The heating tube bodies using sheet-like fins and corrugated fins are prone to deformation and bending during processing and transportation, affecting the quality.

[0049] Based on the above problems, the following embodiments are proposed.

[0050] Embodiment 1:

[0051] As Figure 1 shown, a heat sink structure includes a plurality of heat sink units 2, and the plurality of heat sink units 2 include alternately arranged first heat sink units and second heat sink units;

[0052] Both the first heat sink unit and the second heat sink unit include a first sheet 201 and a second sheet 202. The top ends of the first sheet 201 and the second sheet 202 in the same heat sink unit are connected together, and the bottom ends of the first sheet 201 and the second sheet 202 in the same heat sink unit are separately arranged;

[0053] In each adjacent first heat sink unit and second heat sink unit, the first sheet 201 of the first heat sink unit and the second sheet 202 of the second heat sink unit are adjacent and cross-connected, and the bottom end of the first sheet 201 of the first heat sink unit is located between the bottom ends of the first sheet 201 and the second sheet 202 of the second heat sink unit, and the bottom end of the second sheet 202 of the second heat sink unit is located between the bottom ends of the first sheet 201 and the second sheet 202 of the first heat sink unit.

[0054] In this embodiment, the end of the first piece 201 and the top end of the second piece 202 are directly connected, thus forming a connection end with a connection tip, a connection arc end or other irregular shapes. Preferably, the first piece 201 and the second piece 202 form an inverted V-shaped structure. The indirect connection of the ends of the first piece 201 and the second piece 202 is achieved through a connecting member, which can be a member of any shape made of heat-dissipating material and is not limited herein.

[0055] In adjacent heat sink units 2, the first piece 201 and the second piece 202 are cross-connected, enabling adjacent heat sink units 2 to support each other. Thus, multiple heat sink units 2 form a whole, and each heat sink unit 2 does not exist independently. A mutual support relationship is formed among multiple heat sink units 2. Figure 6 Combined with this, the overall heat sink structure is greatly improved in both the lateral anti-extrusion ability and the anti-bending ability in the extending direction.

[0056] Moreover, there are holes between the first piece 201 and the second piece 202 and the first base 1 for ventilation, enabling the overall heat sink structure to have a good ventilation state.

[0057] In the heat sink structure provided in the first embodiment, in adjacent heat sink units, the first piece and the second piece are cross-connected, enabling adjacent heat sink units to support each other. Thus, multiple heat sink units form a whole, and each heat sink unit does not exist independently. A mutual support relationship is formed among multiple heat sink units, greatly improving the overall heat sink structure in both the lateral anti-extrusion ability and the anti-bending ability in the extending direction, and overcoming the problem existing in the third prior art mentioned above.

[0058] Optionally, in an implementation manner of this embodiment,

[0059] the heat sink structure further includes: a first base 1;

[0060] The heat sink unit 2 is connected to the first base 1, and the bottom ends of both the first piece 201 and the second piece 202 are connected to the first base 1.

[0061] In this implementation manner, the first base 1 can be a base that provides heat, and the heat sink unit 2 is directly connected to the first base 1 to dissipate heat from the first base 1. The first base 1 can also be a base that provides connection, serving as the base for multiple heat sink units 2 to uniformly connect them, facilitating the connection of the overall heat sink structure to other connection ends.

[0062] Optionally, in an implementation manner of this embodiment,

[0063] The heat sink unit 2 composed of alternately arranged first heat sink units and second heat sink units forms a truss-like overall structure;

[0064] The first piece 201 of the first heat sink unit and the first piece 201 of the second heat sink unit have the same inclination direction, and the second piece 202 of the first heat sink unit and the second piece 202 of the second heat sink unit have the same inclination direction;

[0065] The inclination direction of the first piece 201 is opposite to that of the second piece 202.

[0066] In this implementation, multiple heat sink units 2 form a truss-like overall structure, so that the overall heat sink structure has a greatly improved anti-extrusion ability in the horizontal direction and anti-bending ability in the extending direction.

[0067] Optionally, in one implementation of this embodiment,

[0068] The first piece 201 and the second piece 202 of each first heat sink unit form a triangular structure with the first base 1 as the bottom surface;

[0069] The first piece 201 and the second piece 202 of each second heat sink unit form a triangular structure with the first base 1 as the bottom surface.

[0070] The triangular structure itself is a relatively stable and firm frame structure. Coupled with the mutual support of adjacent heat sink units 2, multiple heat sink units 2 form a whole. Combined Figure 6 , further making the overall heat sink structure have a greatly improved anti-extrusion ability in the horizontal direction and anti-bending ability in the extending direction.

[0071] Furthermore, the first piece 201 and the second piece 202 of each first heat sink unit are of equal length and form an isosceles triangular structure with the first base 1 as the bottom surface;

[0072] The first piece 201 and the second piece 202 of each second heat sink unit are of equal length and form an isosceles triangular structure with the first base 1 as the bottom surface.

[0073] The isosceles triangular structure formed by the heat sink unit 2 is further optimized on the basis of the triangular structure. The isosceles triangle has better stability and firmness than an ordinary triangle. In this heat sink structure, adjacent heat sink units 2 support each other, that is, adjacent isosceles triangular frame structures support each other. Thus, multiple heat sink units 2 form a jointly supported whole. Combined Figure 6 , further making the overall heat sink structure have a greatly improved anti-extrusion ability in the horizontal direction and anti-bending ability in the extending direction.

[0074] Furthermore, the angle of the apex angle of the isosceles triangular structure is α, and the angle of the base angle is β;

[0075] Wherein: α≤60°, β≥60°, α + 2β = 180°, or,

[0076] Wherein: α = 20° - 30°, β = 75° - 80°, α + 2β = 180°.

[0077] Preferably, α = 30°, β = 75°

[0078] When the apex angle α of the isosceles triangle is 30° and the base angle β is 75°, the entire heat sink unit 2 has better stability and firmness.

[0079] Optionally, in an implementation manner of this embodiment, the cross - connection position of the first sheet 201 of the first heat sink unit and the second sheet 202 of the second heat sink unit is located at the mid - point position of the length direction of the first sheet 201 and at the mid - point position of the length direction of the second sheet 202.

[0080] The setting position of the cross - connection position enables balanced mutual support forces among multiple heat sink units 2, further enhancing the strength in all directions of the overall heat sink structure formed by multiple heat sink units 2.

[0081] Embodiment Two

[0082] As Figure 2 shown, this embodiment provides a radiator, including:

[0083] A second substrate and the heat sink structure in Embodiment One;

[0084] Wherein, the heat sink structure is connected to the second substrate, or, the heat sink structure includes a first substrate 1, the heat sink unit 2 is connected to the first substrate 1, the bottom ends of the first sheet 201 and the second sheet 202 are both connected to the first substrate 1, and the heat sink structure is fixed to the second substrate through the first substrate 1.

[0085] Specifically, the radiator includes a first heat sink structure 100 and a second heat sink structure 200;

[0086] The first heat sink structure 100 and the second heat sink structure 200 are arranged side by side;

[0087] For adjacent first heat sink structures 100 and second heat sink structures 200, the first heat sink units 100a in the first heat sink structure 100 and the second heat sink units 200a in the second heat sink structure 200 are staggered with each other along the extension direction of the radiator.

[0088] In this embodiment, in the two heat sink structures arranged side by side, the first heat sink 100a and the second heat sink 200a adjacent to it are arranged staggeredly. Combining Figure 5 , the effects achieved by such a way of arranging multiple heat sink structures side by side and staggering the heat sink units are as follows:

[0089] First, multiple gaps are formed. Coupled with the triangular through-holes in the heat sink units themselves, the overall contact area between the radiator and air is increased. At the same time, it also enables air to flow more smoothly through the heat sink units and heat sink structures, reducing the air flow resistance and improving the heat exchange efficiency and heat dissipation efficiency.

[0090] Second, the stress is further dispersed, greatly enhancing the overall strength and compressive capacity of the radiator, making it not easily deformed during production, transportation, installation, and vibration.

[0091] Preferably, the heat sink unit is integrally formed, with a relatively low manufacturing cost, a large overall air contact area of the heat dissipation body, and the misalignment and separation fixation of the heat sinks reducing the air flow resistance and improving the heat dissipation performance of the heat sinks and the overall heating efficiency of the electric heating. The problems existing in the first prior art are overcome.

[0092] Optionally, in an implementation manner of this embodiment,

[0093] the radiator includes a third heat sink structure 300;

[0094] The third heat sink structure 300 and the second heat sink structure 200 are arranged side by side;

[0095] For the adjacent second heat sink structure 200 and third heat sink structure 300, the second heat sink unit 200a in the second heat sink structure 200 and the third heat sink unit 300a in the third heat sink structure 300 are staggered with each other along the extension direction of the radiator.

[0096] In this embodiment, combining Figure 5 , three heat sink structures can also be arranged side by side in the radiator. Among them, the first heat sink unit 100a in the first heat sink structure 100 and the second heat sink unit 200a in the second heat sink structure 200 are staggered with each other along the extension direction of the radiator. The second heat sink unit 200a in the second heat sink structure 200 and the third heat sink unit 300a in the third heat sink structure 300 are staggered with each other along the extension direction of the radiator. For the first heat sink structure 100 and the third heat sink structure 300 that are spaced apart, the first heat sink unit 100a in the first heat sink structure 100 and the third heat sink unit 300a in the third heat sink structure 300 are aligned along the extension direction of the radiator.

[0097] The radiator with three heat sink structures has the same advantages as the above-mentioned radiator with two heat sink structures, which will not be elaborated here.

[0098] Optionally, in one implementation of this embodiment, there is a gap between adjacent heat sink structures along the direction of their side-by-side arrangement.

[0099] The material of the radiator as a whole is saved in the gap part. Combining Figure 5 , the volume of the material saved in the gap part is T: T = D2 * L * h * 2, where 2 represents the radiator with three heat sink structures, and the radiator has two gaps, L represents the gap length, h represents the height of the radiator, and D2 is the width of the gap along the side-by-side arrangement direction of adjacent heat sink structures. If the radiator has four heat sink structures, then there are three gaps formed between the four heat sink structures, and the volume of the material that can be saved is T: T = D2 * L * h * 3, and so on. Therefore, compared with the radiators in the prior art, the radiator of the present invention can reduce the material cost to a certain extent. It overcomes the second problem existing in the prior art.

[0100] Embodiment III

[0101] As Figure 3 , 4 shown, this embodiment provides a heater, including:

[0102] Electric heating flat tube 6;

[0103] On the opposite upper and lower wall surfaces of the electric heating flat tube 6, the heat sink structures in Embodiment I are respectively fixed, and the heat sink structures are fixedly connected or integrally formed with the electric heating flat tube 6.

[0104] Specifically, the first radiator 400 composed of three heat sink structures is arranged on the first side wall of the electric heating flat tube 6, and the second radiator 500 composed of three heat sink structures is arranged on the second side wall of the electric heating flat tube 6. The first side wall and the second side wall are opposite to each other. When the electric heating flat tube 6 generates heat, the heat is dissipated through the first radiator 400 and the second radiator 500, so that the heat can be dissipated quickly and fully.

[0105] In summary, the ingenious concept of this heat sink structure lies in:

[0106] First, in adjacent heat sink units, the first piece and the second piece are cross-connected, so that adjacent heat sink units support each other. Thus, multiple heat sink units form a whole, and each heat sink unit does not exist independently. A supporting relationship is formed between multiple heat sink units, so that the overall heat sink structure has a greatly improved anti-extrusion ability in the horizontal direction and an anti-bending ability in the extending direction.

[0107] Second, the radiator composed of the heat sink structure forms multiple gaps by arranging multiple heat sink structures side by side and staggering the heat sink units. In addition, the heat sink unit itself has triangular through holes, which increases the overall contact area between the radiator and the air. At the same time, it also enables the air to flow more smoothly through the heat sink unit and the heat sink structure, reduces the air flow resistance, and improves the heat exchange efficiency and heat dissipation efficiency;

[0108] Third, by arranging multiple heat sink structures side by side and staggering the heat sink units, the stress is further dispersed, which greatly improves the overall strength and compressive capacity of the radiator, making it not easy to deform during production, transportation, installation, and vibration;

[0109] Fourth, the material of the whole radiator in the gap part is saved, which can reduce the material cost to a certain extent. The heat sink unit is integrally formed, and the manufacturing cost is relatively low.

[0110] It can be further understood that in the present disclosure, "a plurality of" means two or more, and other quantifiers are similar. "And / or" describes the association relationship of associated objects, indicating that three relationships can exist. For example, A and / or B can represent: A exists alone, A and B exist simultaneously, and B exists alone. The character " / " generally represents an "or" relationship between the associated objects before and after. The singular forms of "a", "the", and "said" are also intended to include the plural forms unless the context clearly indicates otherwise.

[0111] It can be further understood that the terms "first", "second", etc. are used to describe various information, but this information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other, and do not represent a specific order or importance. In fact, the expressions such as "first" and "second" can be used interchangeably. For example, without departing from the scope of the present disclosure, the first information can also be called the second information, and similarly, the second information can also be called the first information.

[0112] It can be further understood that although the operations are described in a specific order in the drawings in the embodiments of the present disclosure, it should not be understood that it is required to perform these operations in the specific order or serial order shown, or to perform all the operations shown to obtain the desired result. In a specific environment, multitasking and parallel processing may be beneficial.

[0113] Other embodiments of the present disclosure will be readily apparent to those skilled in the art upon consideration of the specification and practice of the utility model disclosed herein. This application is intended to cover any variations, uses, or adaptations of the present disclosure that follow the general principles of the present disclosure and include known common general knowledge or conventional technical means in the technical field not disclosed herein. The specification and examples are only to be considered as exemplary, and the true scope and spirit of the present disclosure are pointed out by the following claims.

[0114] It should be understood that the present disclosure is not limited to the exact structures described above and shown in the drawings, and various modifications and changes can be made without departing from its scope. The scope of the present disclosure is only limited by the appended claims.

Claims

1. A heat sink structure, characterized in that, it includes a plurality of heat sink units (2), and the plurality of heat sink units (2) include alternately arranged first heat sink units and second heat sink units; both the first heat sink unit and the second heat sink unit include a first piece (201) and a second piece (202), the top ends of the first piece (201) and the second piece (202) of the same heat sink unit are connected together, and the bottom ends of the first piece (201) and the second piece (202) of the same heat sink unit are separately arranged; in each adjacent first heat sink unit and second heat sink unit, the first piece (201) of the first heat sink unit and the second piece (202) of the second heat sink unit are adjacent and cross-connected, and the bottom end of the first piece (201) of the first heat sink unit is located between the bottom ends of the first piece (201) and the second piece (202) of the second heat sink unit, and the bottom end of the second piece (202) of the second heat sink unit is located between the bottom ends of the first piece (201) and the second piece (202) of the first heat sink unit.

2. The heat sink structure according to claim 1, wherein, The heat sink structure further includes: a first substrate (1); the heat sink unit (2) is connected to the first substrate (1), and the bottom ends of the first piece (201) and the second piece (202) are both connected to the first substrate (1).

3. The heat sink structure according to claim 1, characterized in that, the heat sink unit (2) composed of the alternately arranged first heat sink units and second heat sink units forms a truss-like integral structure; the first pieces (201) of the first heat sink unit and the first pieces (201) of the second heat sink unit have the same inclination direction, and the second pieces (202) of the first heat sink unit and the second pieces (202) of the second heat sink unit have the same inclination direction; the inclination direction of the first piece (201) is opposite to the inclination direction of the second piece (202).

4. The heat sink structure according to claim 2, characterized in that, the first piece (201) and the second piece (202) of each first heat sink unit form a triangular structure with the first substrate (1) as the bottom surface; the first piece (201) and the second piece (202) of each second heat sink unit form a triangular structure with the first substrate (1) as the bottom surface.

5. The heat sink structure according to claim 4, characterized in that, the first piece (201) and the second piece (202) of each first heat sink unit are of equal length and form an isosceles triangular structure with the first substrate (1) as the bottom surface; the first piece (201) and the second piece (202) of each second heat sink unit are of equal length and form an isosceles triangular structure with the first substrate (1) as the bottom surface.

6. The heat sink structure according to claim 5, characterized in that, The angle of the apex angle of the isosceles triangle structure is α, and the angle of the base angle is β; where: α ≤ 60°, β ≥ 60°, α + 2β = 180°, or, where: α = 20° - 30°, β = 75° - 80°, α + 2β = 180°.

7. The heat sink structure according to claim 1, wherein the cross - connection position of the first sheet (201) of the first heat sink unit and the second sheet (202) of the second heat sink unit is located at the mid - point position in the length direction of the first sheet (201) and at the mid - point position in the length direction of the second sheet (202).

8. A radiator, characterized in that, Comprising: a second base body, and the heat sink structure according to any one of claims 1 - 7; wherein, the heat sink structure is connected to the second base body, or, the heat sink structure includes a first base body (1), the heat sink unit (2) is connected to the first base body (1), the bottom ends of the first sheet (201) and the second sheet (202) are both connected to the first base body (1), and the heat sink structure is fixed to the second base body through the first base body (1).

9. The radiator according to claim 8, wherein the radiator includes a first heat sink structure (100) and a second heat sink structure (200); the first heat sink structure (100) and the second heat sink structure (200) are arranged side by side; for adjacent first heat sink structure (100) and second heat sink structure (200), the first heat sink unit (100a) in the first heat sink structure (100) and the second heat sink unit (200a) in the second heat sink structure (200) are staggered with each other along the extending direction of the radiator.

10. The radiator according to claim 9, wherein the radiator includes a third heat sink structure (300); the third heat sink structure (300) and the second heat sink structure (200) are arranged side by side; for adjacent second heat sink structure (200) and third heat sink structure (300), the second heat sink unit (200a) in the second heat sink structure (200) and the third heat sink unit (300a) in the third heat sink structure (300) are staggered with each other along the extending direction of the radiator.

11. The radiator according to claim 9 or 10, wherein there is a gap between adjacent heat sink structures along the direction of their side - by - side arrangement.

12. A heater, characterized in that, Comprising: an electric heating flat tube (6); on the opposite upper and lower wall surfaces of the electric heating flat tube (6), the heat sink structures according to any one of claims 1 - 7 are respectively fixed, and the heat sink structures are fixedly connected or integrally formed with the electric heating flat tube (6).

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