Wavy fin
By adopting a wave-shaped fin and baffle structure, the contact area between the coolant and the fins is increased and the coolant circulation is accelerated, which solves the problem of poor heat dissipation in the existing technology and achieves a more efficient heat dissipation effect.
Patent Information
- Application Number
- CN202520509566.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-21
AI Technical Summary
In existing technologies, the contact area between the coolant and the heat dissipation fins is limited, resulting in poor heat dissipation.
The design employs a wave-shaped fin structure to increase the contact area between the coolant and the fins, and a guide plate is installed between the fins and the inner shell to ensure the fluidity of the coolant. Magnetic coupling is used to drive the impeller to rotate and accelerate the circulation of the coolant.
This increases the contact area and flow rate between the coolant and the fins, thereby enhancing the heat dissipation effect and enabling it to absorb and remove heat more effectively.
Smart Images
Figure CN223957853U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of radiator, concretely relates to a wave-shaped fin. BACKGROUND
[0002] The radiator usually contains a metal bottom plate with good heat conduction performance, a plurality of parallel arranged radiating fins are integrally connected on the surface of the metal bottom plate, and the other end surface is in contact with a heat generating component (such as a chip), so that the heat generated by the heat generating component can be transmitted to each fin and then cooled by the cooling liquid, thereby reducing the temperature of the heat generating component, so when the contact area of the cooling liquid and the fin is larger, the heat dissipation effect is better.
[0003] However, the fin in the prior art is a flat sheet structure, although the cooling liquid can flow flatly and quickly, the contact area of the cooling liquid and the fin is limited, so the heat dissipation effect is poor. CONTENT OF THE UTILITY MODEL
[0004] (1) Technical problem to be solved
[0005] The utility model provides a wave-shaped fin, aims at solving the problem of limited contact area of the cooling liquid and the radiating fin in the prior art, and poor heat dissipation effect.
[0006] (2) Technical scheme
[0007] The utility model provides a wave-shaped fin, including water cooling head main part, the water cooling head main part includes detachable connection's inner housing, shell and with the inner housing bottom connected radiating plate, the inner housing and the radiating plate surround and form cooling cavity, the cooling cavity includes intercommunication's first cavity and second cavity, the water cooling head main part is equipped with the water inlet and water outlet of intercommunication with first cavity and second cavity respectively, be equipped with the impeller in the second cavity, be equipped with drive assembly between the inner housing and the shell, drive assembly magnet coupling drives the impeller rotates in the second cavity,
[0008] Among them, a plurality of fins are arranged on the radiating plate, the fins are wave-shaped sheet structures and extend into the first cavity, and a gap is arranged between adjacent fins, which can be passed through by the cooling liquid and extends in a wave shape.
[0009] Further, the first cavity is further provided with a flow guide plate for limiting the flow direction of the cooling liquid between the fins, and the upper and lower end surfaces of the flow guide plate are respectively in abutment with the inner housing and the fins.
[0010] Further, the flow guide plate is a "U" shaped structure, and the flow guide plate is provided with an abutment portion and a "U" shaped groove in communication with the second cavity.
[0011] Further, the impeller is provided with an annular part and blades formed integrally, and the inner shell is provided with a first annular groove matched with the annular part.
[0012] Further, the impeller is further provided with a center column coaxial with the first annular groove and a center shaft penetrating the center column, and the inner shell is provided with a column groove matched with the center column and an upper shaft seat and a lower shaft seat corresponding to two ends of the center shaft respectively.
[0013] Further, the first cavity and the second cavity are further provided with a partition plate, the second cavity is provided with an annular step on an inner wall close to the first cavity, and the partition plate is in abutment with the annular step.
[0014] Further, the partition plate is provided with an opening, and the opening is in communication with the first cavity and the second cavity.
[0015] Further, the inner shell is provided with a second annular groove on an outer wall, and the driving assembly is arranged in the second annular groove.
[0016] Further, the driving assembly is an electromagnetic coil.
[0017] Further, a sealing ring is arranged between the inner shell and the heat dissipation plate, and the inner shell is provided with a groove corresponding to the sealing ring.
[0018] Compared with the prior art, the utility model has the advantages that:
[0019] The heat dissipation fins in the water cooling head are arranged in a wave-shaped sheet structure, the contact area of the cooling liquid and the fins is increased, the cooling liquid can absorb more heat, and the heat dissipation effect is improved; in addition, a flow guide plate is arranged between the fins and the inner shell to ensure that the cooling liquid flows through the gaps between the fins, so that the cooling liquid can quickly absorb and carry away heat, the flowability of the cooling liquid is ensured, and the heat dissipation effect is improved. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is a whole structure schematic view of the utility model.
[0021] Figure 2 It is a sectional view of the whole structure of the utility model.
[0022] Figure 3 It is a structure schematic view of the heat dissipation plate of the utility model.
[0023] Figure 4 It is a schematic view of the flow of the cooling liquid between the fins of the utility model.
[0024] Figure 5 It is a structure schematic view of the inner shell and the sealing ring of the utility model.
[0025] Figure 6 It is the partial sectional view of the whole structure of the utility model.
[0026] Figure 7 It is the sectional view of the inner shell and the outer shell of the utility model.
[0027] Figure 8 It is the Figure 7 Enlarged view of A of the utility model.
[0028] Figure 9 It is another embodiment schematic view of the guide plate of the utility model.
[0029] Fig. 1- water cooling head main body, 11- inner shell, 111- first annular groove, 112- column groove, 113- upper shaft seat, 114- lower shaft seat, 115- second annular groove, 116- recess, 12- outer shell, 13- heat dissipation plate, 131- fin, 132- gap, 14- water inlet, 15- water outlet, 16- sealing ring, 2- cooling cavity, 21- first cavity, 22- second cavity, 221- annular step, 3- impeller, 31- annular part, 32- blade, 33- center column, 34- center shaft, 35- shaft sleeve, 4- driving assembly, 5- guide plate, 51- abutment, 52- "U" shaped groove, 6- partition plate, 61- opening. DETAILED DESCRIPTION
[0030] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model.
[0031] As Figures 1-4 shown, the utility model provides a wave-shaped fin, including water cooling head main body 1, water cooling head main body 1 includes detachable connection's inner shell 11, outer shell 12 and with inner shell 11 bottom connecting's heat dissipation plate 13, inner shell 11 and heat dissipation plate 13 surround and form cooling cavity 2, cooling cavity 2 includes mutually communicating first cavity 21 and second cavity 22, be equipped with impeller 3 in second cavity 22, still be equipped with driving assembly 4 between inner shell 11 and outer shell 12, driving assembly 4 magnetically coupled drive impeller 3 rotates in second cavity 22.
[0032] The end surface of the heat dissipation plate 13 in communication with the cooling cavity 2 is provided with a plurality of fins 131 arranged in sequence and at intervals, the fins 131 are in a wave-shaped sheet structure and extend into the first cavity 21, a gap 132 in a wave-shaped extension is arranged between two adjacent fins 131 and can be passed through by the cooling liquid, and the other end surface of the heat dissipation plate 13 is directly in contact with a heat source (such as an integrated heat sink of a CPU or a GPU chip), so as to directly and quickly absorb the heat emitted by the heat source to reduce the temperature of the heat source. The water cooling head body 1 is also provided with a water inlet 14 and a water outlet 15 in communication with the first cavity 21 and the second cavity 22 respectively, in use, the cooling liquid enters the first cavity 21 from the water inlet 14 and is in contact with the fins 131, and most of the heat generated by the heat source is transmitted to the heat dissipation plate 13 and the fins 131 and is absorbed by the cooling liquid, the cooling liquid with absorbed heat continues to flow to the second cavity 22, and the impeller 3 in the second cavity 22 is driven to flow the cooling liquid out of the water outlet 15, the cooling liquid flowing out of the water outlet 15 enters the radiator (not shown in the drawing) and exchanges heat with air through the heat dissipation fins to release heat, and the cooled cooling liquid is pumped back to the water cooling head to continue circulation, the heat exchange principle of the cooling liquid is disclosed in the prior art and does not belong to the main technical scope of the utility model, so it is not described in detail here.
[0033] Since the contact area of the cooling liquid with the fins 131 directly affects the amount of heat absorbed, that is, directly affects the level of heat dissipation effect, in order to improve the heat dissipation effect, the fins 131 are arranged in a wave-shaped sheet structure, compared with the traditional flat sheet fins, the area of the fins 131 is larger, which can not only improve the heat conduction efficiency, but also increase the contact area of the cooling liquid with the fins 131, so that the cooling liquid can absorb more heat, and the heat dissipation effect is better.
[0034] Preferably, the heat dissipation plate 13 in the utility model is made of high thermal conductivity material (such as copper or aluminum alloy), which can quickly absorb the heat generated by the heat source; the cooling liquid has high specific heat capacity and can absorb a large amount of heat.
[0035] Further, as Figure 2As shown, in order to avoid the cooling liquid entering the first cavity 21 excessively avoiding the fins 131 directly flowing to the second cavity 22, so that the flow rate of the cooling liquid flowing into the fins 131 is slowed down, thereby affecting the heat dissipation effect, the first cavity 21 is also provided with a flow guide plate 5 for limiting the flow direction of the cooling liquid between the fins 131. The upper and lower end faces of the flow guide plate 5 abut between the fins 131 and the inner wall of the inner shell 11, so that the cooling liquid entering from the water inlet 14 can only pass through the gaps 132 between the fins 131, thereby ensuring that the flow rate of the cooling liquid flowing between the fins 131 is maximum, so as to speed up the efficiency of heat circulation.
[0036] Preferably, as Figure 5 As shown, in this embodiment, the heat sink 13 is directly screwed with the inner shell 11 and forms the cooling cavity 2 with the inner cavity of the inner shell 11, so that the heat emitted by the heat source can be directly transmitted to the fins 131 at the first time, thereby improving the heat dissipation effect. In order to avoid the cooling liquid seeping out from the joint gap between the heat sink 13 and the inner shell 11, causing the situation of electric leakage, the inner shell 11 and the heat sink 13 are also provided with a sealing ring 16, which is arranged around the fins 131. The inner shell 11 is also provided with an annular groove 116 for fixing the sealing ring 16. When the heat sink 13 is screwed with the inner shell 11, the sealing ring 16 is forced into the groove 116, thereby enhancing the sealing effect.
[0037] Further, as Figures 6-7 As shown, the impeller 3 is provided with an annular part 31 and blades 32 which are arranged in a spiral shape. The inner shell 11 is provided with a first annular groove 111 which is adapted to the annular part 31. In order to ensure the stability of the rotation of the impeller 3 and avoid dislocation of the impeller 3 during rotation, a center column 33 is arranged on the center position of the impeller 3 on the same side as the annular part 31, and a center shaft 34 penetrates through the center column 33. The inner shell 11 is provided with a column groove 112 which is adapted to the center column 33, and an upper shaft seat 113 and a lower shaft seat 114 which correspond to the two ends of the center shaft 34, respectively, so as to fix the center shaft 34 and make the impeller 3 rotate around the center shaft 34 under the drive of the drive assembly 4. The center shaft 34 is also provided with a shaft sleeve 35 which is a cylindrical ceramic shaft sleeve 35. The center shaft 34 penetrates through the shaft sleeve 35 and is clamped with the upper shaft seat 113 and the lower shaft seat 114, respectively. The shaft sleeve 35 is arranged to improve the service life of the center shaft 34 and the impeller 3.
[0038] Preferably, such as Figures 7-8 As shown, to facilitate the disassembly and installation of the impeller 3, a partition plate 6 is provided between the first cavity 21 and the second cavity 22. The lower shaft seat 114 is integrally formed with the partition plate 6. The second cavity 22 has an annular step 221 on its inner wall near the first cavity 21. The partition plate 6 abuts against the annular step 221, while the upper and lower end faces of the guide plate 5 abut against the partition plate 6 and the fins 131, respectively, thus fixing the partition plate 6. The partition plate 6 has an opening 61 that communicates with both the first cavity 21 and the second cavity 22. During assembly, the heat sink 13 can be disassembled from the inner shell 11 first, and the liquid in the cooling cavity 2 can be emptied. Then, the guide plate 5, partition plate 6, and impeller 3 can be gradually removed, facilitating the cleaning of the cooling cavity 2 and the maintenance or replacement of the impeller 3.
[0039] Furthermore, after the guide plate 5 is installed, its length along the X-axis is equivalent to the length of each fin 131. When the coolant flows in from the inlet 14, it can only pass through the gaps 132 between each fin 131, and then converge at the other end of the fin 131 before flowing together into the second cavity 22 through the opening 61. This ensures sufficient contact between the coolant and the fins 131 and better fluidity of the coolant in the gaps 132, thereby quickly removing heat and improving the heat dissipation effect.
[0040] like Figure 9 As shown, in another embodiment, the guide plate 5 has a "U" shaped structure. The guide plate 5 is provided with an abutment portion 51 and a "U" shaped groove 52 communicating with the second cavity 22. In this case, the opening 61 on the partition plate 6 is located at the center. The "U" shaped groove 52 is connected to the opening 61. Since the upper and lower end faces of the abutment portion 51 are in close contact with the water inlet end and both sides of the partition plate 6 and the fins 131, the coolant can only pass through the gaps 132 of each fin 131. When the coolant flows through part of the gaps 132 of the fins 131, the coolant can flow upward at the "U" shaped groove 52 and flow directly to the opening 61. Since the opening 61 is located at the center of the partition plate 6, when the coolant flows into the second cavity 22, the impeller 3 can quickly drive the coolant to be discharged from the outlet 15, thereby increasing the circulation speed of the coolant.
[0041] Further, since the driving assembly 4 magnetically couples the rotation of the impeller 3, the material of the impeller 3 is plastic magnetic material, the main body of the impeller 3 is magnetized to make the impeller 3 itself have magnetism, and then the impeller 3 can be magnetically coupled with the driving assembly 4, wherein the driving assembly 4 is an electromagnetic coil, and is arranged between the inner shell 11 and the outer shell 12, and can generate a constantly changing magnetic field after being powered, the magnetic field can penetrate the inner shell 11 and the impeller 3 to generate electromagnetic reaction, so as to drive the impeller 3 to rotate at high speed.
[0042] Further, as shown in the drawings, Figure 7 Further, since the inner wall of the inner shell 11 connected with the second cavity 22 is provided with the first annular groove 111 and the column groove 112, after forming, the outer wall of the inner shell 11 will form a protruding part, the first annular groove 111 and the column groove 112 are provided with a second annular groove 115 between the two protruding parts of the outer wall of the inner shell 11, and the driving assembly 4 is arranged in the second annular groove 115, so that the driving assembly 4 can be separated from the cooling cavity 2 to prevent the liquid from contacting the driving assembly 4 and causing electric leakage, and the electromagnetic field can be maximally reacted with the impeller 3 to improve the driving force.
[0043] The working principle of the utility model is described in detail as follows:
[0044] In use, the cooling liquid enters the first cavity 21 from the water inlet 14, and flows through the gaps 132 between the fins 131 under the action of the flow guide plate 5, because the fins 131 are in a wave-shaped sheet structure, the contact area of the cooling liquid with the fins 131 is increased, and the heat generated by the heat source is continuously transmitted to the heat dissipation plate 13 and the fins 131, so that when the cooling liquid flows through the fins 131, a large amount of heat on the fins 131 can be absorbed, and the temperature of the cooling liquid absorbing the heat is increased, since the cooling liquid is continuously flowing, the cooling liquid absorbing the heat flows into the second cavity 22 and is discharged to the water outlet 15 under the driving of the impeller 3, so that the heat dissipation of the heat source is realized.
[0045] The utility model discloses the heat dissipation fin in water cooling head is set to wave-shaped sheet structure, increases the contact area of cooling liquid and fin, makes cooling liquid can absorb more heat, improves the heat dissipation effect, in addition, the flow guide plate is also arranged between the fin and the inner shell, to ensure that cooling liquid flows through the gap between each fin, so that the cooling liquid can quickly absorb and take away the heat, ensure the flowability of the cooling liquid, and then improve the heat dissipation effect.
[0046] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.
[0047] It is obvious to those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be considered as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.
Claims
1. A wave-shaped fin characterized in that, The water cooling head body (1) comprises a detachably connected inner shell (11), an outer shell (12) and a heat dissipation plate (13) connected with the bottom of the inner shell (11), the inner shell (11) and the heat dissipation plate (13) form a cooling cavity (2), the cooling cavity (2) comprises a first cavity (21) and a second cavity (22) in communication with each other, the water cooling head body (1) is provided with a water inlet (14) and a water outlet (15) respectively communicating with the first cavity (21) and the second cavity (22), the second cavity (22) is provided with an impeller (3), the inner shell (11) and the outer shell (12) are provided with a driving assembly (4), the driving assembly (4) magnetically couples and drives the impeller (3) to rotate in the second cavity (22). Wherein, the heat dissipation plate (13) is provided with a plurality of fins (131), the fins (131) are wave-shaped sheet structures and extend into the first cavity (21), and a gap (132) is provided between adjacent two fins (131) for the cooling liquid to pass through and extend in a wave shape.
2. The wave fin according to claim 1, wherein The first cavity (21) is also provided with a flow guide plate (5) for limiting the flow direction of the cooling liquid between the fins (131), and the upper and lower end faces of the flow guide plate (5) respectively abut against the inner shell (11) and the fins (131).
3. The wave fin according to claim 2, wherein The flow guide plate (5) is a "U" type structure, the flow guide plate (5) is provided with an abutting portion (51) and a "U" shaped groove (52) communicating with the second cavity (22).
4. The wave fin according to claim 1, wherein The impeller (3) is provided with an integral annular portion (31) and a blade (32), and the inner shell (11) is provided with a first annular groove (111) matched with the annular portion (31).
5. The wave fin of claim 4, wherein, The impeller (3) is also provided with a central column (33) coaxial with the first annular groove (111) and a central shaft (34) penetrating through the central column (33), and the inner shell (11) is provided with a column groove (112) matched with the central column (33) and an upper shaft seat (113) and a lower shaft seat (114) corresponding to the two ends of the central shaft (34), respectively.
6. The wave fin of claim 5, wherein, The first cavity (21) and the second cavity (22) are also provided with a partition plate (6), and the inner wall of the second cavity (22) close to the first cavity (21) is provided with an annular step (221), and the partition plate (6) abuts against the annular step (221).
7. The wave fin of claim 6, wherein, The partition plate (6) is provided with an opening (61) communicating with the first cavity (21) and the second cavity (22).
8. The wave fin of claim 7, wherein, The outer wall of the inner shell (11) is provided with a second annular groove (115), and the driving assembly (4) is arranged in the second annular groove (115).
9. The wave fin of claim 8, wherein, The driving assembly (4) is an electromagnetic coil.
10. The wave fin of claim 9, wherein, The inner shell (11) and the heat dissipation plate (13) are provided with a sealing ring (16), and the bottom of the inner shell (11) is provided with a groove (116) corresponding to the sealing ring (16).