Heat dissipation aluminum strip with adjustable shape
By designing adjustable-shape heat dissipation aluminum strips, the problem of traditional heat sinks being difficult to bend has been solved, enabling flexible shape adjustment and improved heat dissipation efficiency, while also enhancing overall strength and airflow.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIAXING SANJIE ELECTRIC APPLIANCE CO LTD
- Filing Date
- 2025-03-28
- Publication Date
- 2026-04-10
AI Technical Summary
Traditional integral aluminum strip corrugated heat sinks cannot be bent, making it difficult to manufacture ring-shaped or S-shaped PTC heaters, which increases development costs and processing difficulty.
Design an adjustable heat dissipation aluminum strip, which consists of multiple heat dissipation fins arranged at equal intervals. Adjacent heat dissipation fins are snapped together, and positive pressure ribs, negative pressure ribs, and anti-bending pressure ribs are set on the sheet-like body. The shape can be adjusted by latches and lock holes.
The shape of the entire heat dissipation aluminum strip can be flexibly adjusted, which improves heat dissipation efficiency and strength, reduces airflow noise, and enhances airflow speed.
Smart Images

Figure CN224111515U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of PTC heater, especially to a shape-adjustable heat dissipation aluminum strip. BACKGROUND
[0002] The PTC heater is composed of a PTC ceramic heating element and an aluminum pipe.
[0003] The conventional PTC heater product adopts an integral aluminum strip corrugated fin, which improves its heat dissipation rate and combines the advantages of adhesion and mechanical type.
[0004] However, when a circular or S-shaped PTC heater is needed in special products, the circular or S-shaped PTC heater needs to be bent continuously at multiple angles. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a shape-adjustable heat dissipation aluminum strip to adjust the shape of the heat dissipation aluminum strip.
[0006] The utility model realizes the above utility model purpose through the following technical scheme: a shape-adjustable heat dissipation aluminum strip includes a plurality of heat dissipation fins arranged at equal intervals, and the adjacent two heat dissipation fins are connected by clamping.
[0007] By adopting the technical scheme, since the heat dissipation aluminum strip is composed of a plurality of heat dissipation fins arranged at equal intervals, and the adjacent two heat dissipation fins are clamped and connected, the interval between the adjacent heat dissipation fins is controlled with high precision, the shape of the whole heat dissipation aluminum strip is adjusted, and the heat dissipation aluminum strip can be adjusted into a straight strip, a ring, an S shape and the like according to requirements; the heat dissipation aluminum strip has small air resistance and high heat exchange efficiency, and can reduce air flow noise; meanwhile, the fin-shaped body of each heat dissipation fin is provided with a positive pressure reinforcing rib, the strength of the whole heat dissipation fin is enhanced, and the anti-bending pressure reinforcing rib is arranged on the two opening edges of the fin-shaped body, so that deformation of the edges of the heat dissipation fin under external force can be effectively avoided.
[0008] The fin-shaped body is provided with at least one reverse pressure reinforcing rib, and the positive pressure reinforcing rib and the reverse pressure reinforcing rib are arranged at intervals.
[0009] By adopting the technical scheme, the positive pressure reinforcing rib and the reverse pressure reinforcing rib are respectively protruded upwards and downwards, and the interval arrangement can better enhance the overall strength of the heat dissipation fin.
[0010] The positive pressure reinforcing rib and the reverse pressure reinforcing rib are both provided with a through window, and the window is smaller than the length and width of the positive pressure reinforcing rib and the reverse pressure reinforcing rib.
[0011] By adopting the technical scheme, the positive pressure reinforcing rib and the reverse pressure reinforcing rib are provided with a through window, and the window is smaller than the length and width of the positive pressure reinforcing rib and the reverse pressure reinforcing rib, that is, the function of enhancing the strength of the positive pressure reinforcing rib and the reverse pressure reinforcing rib is not damaged, the wind speed flow can be further enhanced, and the heat dissipation effect is improved.
[0012] The two folding edge edges are provided with at least one lock catch, the folding edge is provided with a lock hole matched with the lock catch, the lock hole is located directly above the lock catch, and the lock catches and the lock holes of the adjacent heat dissipation fins are clamped.
[0013] The lock catch is a U-shaped protruding block extending outward from the folding edge, and the lock catch openings of the two folding edges are opposite.
[0014] The movable interval of the lock hole is 0.5mm to 3mm.
[0015] The distance between the anti-bending pressure reinforcing rib and the edge of the fin-shaped body is 1mm to 2mm.
[0016] In summary, the beneficial technical effects of the heat dissipation aluminum strip are as follows:
[0017] 1. The heat dissipation aluminum strip is composed of a plurality of heat dissipation fins arranged at equal intervals, and the adjacent two heat dissipation fins are clamped and connected, so that the interval between the adjacent heat dissipation fins is controlled with high precision, the shape of the whole heat dissipation aluminum strip is adjusted, and the heat dissipation aluminum strip can be adjusted into a straight strip, a ring, an S shape and the like according to requirements;
[0018] 2. The fin-shaped body of each fin is provided with positive pressure ribs and reverse pressure ribs, the overall strength is enhanced, and the anti-bending pressure ribs are arranged on the two opening edges of the fin-shaped body, so that deformation of the edges under external force can be effectively avoided.
[0019] 3. Windows are arranged through the positive pressure ribs and the reverse pressure ribs, and the windows are smaller than the length and width of the positive pressure ribs and the reverse pressure ribs, that is, the strength enhancement effect of the positive pressure ribs and the reverse pressure ribs is not damaged, and the wind speed flow can be enhanced, and the heat dissipation effect is improved. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 is a structural schematic view of the heat dissipation aluminum strip of the present application;
[0021] Figure 2 is a structural schematic view of the fin.
[0022] In the figure, 1 is a fin, 11 is a fin-shaped body, 12 is a folded edge, 2 is a positive pressure rib, 3 is a reverse pressure rib, 4 is an anti-bending pressure rib, 5 is a window, 6 is a lock catch, 7 is a lock hole, and 10 is a heat dissipation aluminum strip. DETAILED DESCRIPTION
[0023] The present application will be further described in detail below with reference to the drawings.
[0024] Reference Figure 1 The present application discloses a heat dissipation aluminum strip with adjustable shape, which comprises a plurality of equally spaced fins 1, and the adjacent two fins 1 are connected by clamping. The fin 1 comprises a U-shaped fin-shaped body 11 and its two sides folded edges 12, and the fin 1 is integrally formed. At least one lock catch 6 is arranged on the edge of each folded edge 12, and a lock hole 7 matching the lock catch 6 is arranged on the edge of the folded edge 12 adjacent to the fin-shaped body 11. The lock hole 7 is located directly above the lock catch 6, and the lock catches 6 of the adjacent fins 1 are clamped together, so that the fins 1 are sequentially clamped together to form a heat dissipation aluminum strip 10.
[0025] The lock catch 6 is a U-shaped protrusion extending outward from the folded edge 12, and the openings of the lock catches 6 of the two folded edges 12 are opposite. Specifically, the movable distance of the lock hole 7 is 0.5mm to 3mm, and the movable distance of the lock hole 7 is greater than the length of the lock catch 6 extending outward from the folded edge 12, so that the distance between the adjacent two fins 1 is controlled with high precision, and the shape of the heat dissipation aluminum strip 10 can be adjusted according to needs, such as straight strip, ring, S shape, etc. The heat dissipation aluminum strip has small air resistance, high heat exchange efficiency, and can reduce air flow noise.
[0026] In order to enhance the strength of the whole heat dissipation fin 1, the sheet body 11 is provided with at least one positive pressure reinforcing rib 2 and at least one negative pressure reinforcing rib 3 in parallel, the positive pressure reinforcing rib 2 is arranged in interval with the negative pressure reinforcing rib 3, and the positive pressure reinforcing rib 2 and the negative pressure reinforcing rib 3 are in long strip shape; in the embodiment, one positive pressure reinforcing rib 2 and one negative pressure reinforcing rib 3 are arranged on the sheet body 11.
[0027] Meanwhile, the anti-bending reinforcing rib 4 is arranged on the two opening edges of the sheet body 11, so that the deformation of the edges of the sheet body 11 caused by external force can be effectively avoided.
[0028] In the embodiment, the distance between the anti-bending reinforcing rib 4 and the edge of the sheet body 11 is 1mm to 2mm.
[0029] In addition, the window 5 is arranged on the positive pressure reinforcing rib 2 and the negative pressure reinforcing rib 3 in penetration; the window 5 is in rectangular shape, and the length and width of the window 5 are smaller than the length and width of the positive pressure reinforcing rib 2 and the negative pressure reinforcing rib 3; in this way, the function of enhancing the strength of the positive pressure reinforcing rib 2 and the negative pressure reinforcing rib 3 is not damaged, and the wind speed flow can be enhanced, and the heat dissipation effect can be improved.
[0030] The embodiments of the specific embodiment are the preferred embodiments of the utility model, and are not limited to the protection scope of the utility model, so that: all equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.
Claims
1. A shape-adjustable heat-dissipating aluminum strip, characterized in that: The heat-dissipating aluminum strip (10) comprises a plurality of heat-dissipating fins (1) arranged at equal intervals, and the adjacent heat-dissipating fins (1) are connected by clamping, wherein the heat-dissipating fin (1) comprises a U-shaped sheet body (11) and two flanges (12) on both sides of the sheet body (11), the sheet body (11) is provided with at least one positive pressure rib (2), and the two open edges of the sheet body (11) are provided with anti-bending pressure ribs (4).
2. The shape-adjustable heat-dissipating aluminum strip according to claim 1, wherein: The sheet body (11) is provided with at least one negative pressure rib (3), and the positive pressure rib (2) and the negative pressure rib (3) are arranged at intervals.
3. The shape-adjustable heat-dissipating aluminum strip according to claim 2, wherein: The positive pressure rib (2) and the negative pressure rib (3) are both provided with a window (5) penetrating therethrough, and the window (5) is smaller than the length and width of the positive pressure rib (2) and the negative pressure rib (3).
4. The shape-adjustable heat-dissipating aluminum strip according to claim 1, wherein: The two flanges (12) are provided with at least one lock catch (6), the flange (12) is provided with a lock hole (7) matched with the lock catch (6), the lock hole (7) is located directly above the lock catch (6), and the lock catch (6) and the lock hole (7) of the adjacent heat-dissipating fin (1) are clamped.
5. The shape-adjustable heat-dissipating aluminum strip according to claim 4, wherein: The lock catch (6) is a U-shaped protrusion extending outward from the flange (12), and the openings of the lock catches (6) of the two flanges (12) are opposite to each other.
6. A shape adjustable heat dissipating aluminum strip as claimed in claim 5, wherein: The movable distance of the lock hole (7) is 0.5mm to 3mm.
7. The shape-adjustable heat-dissipating aluminum strip according to claim 1, wherein: The distance between the anti-bending pressure rib (4) and the edge of the sheet body (11) is 1mm to 2mm.