VC heat dissipation device

Abstract

The utility model discloses a VC heat dissipation device, which relates to the technical field of electronic components, and comprises a fixed plate and a VC vapor chamber arranged at the upper end of the fixed plate, heat dissipation fins are fixed at the upper end of the VC vapor chamber, an auxiliary heat dissipation mechanism is arranged at the upper end of the VC vapor chamber, the auxiliary heat dissipation mechanism comprises a fan, and the fan is arranged on the VC vapor chamber. The draught fan is located at the upper end of the VC vapor chamber, the suction end of the draught fan is connected with an air inlet pipe, the air outlet end of the draught fan is connected with an air outlet pipe, hot air on the surfaces of the cooling fins is sucked out through the air inlet pipe, and the hot air is exhausted through the air outlet pipe after passing through the draught fan; the VC heat dissipation device; by arranging the auxiliary heat dissipation mechanism, the draught fan drives the air inlet pipe to pump away hot air dissipated from the surfaces of the heat dissipation fins, then the rapid ventilation effect is achieved, the heat dissipation fins can rapidly absorb heat emitted by the VC vapor chamber, and then the better heat dissipation effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic components, in particular to a VC heat dissipation device. Background Art

[0002] VC vapor chamber is a new type of heat dissipation medium with good heat transfer performance. Currently, VC vapor chamber is widely used in electronic instruments to dissipate heat for electronic heating devices such as CPUs and chips.

[0003] Upon checking the public announcement number: CN219761797U, a VC vapor chamber heat sink is disclosed, which achieves better heat dissipation effect by arranging heat dissipation fins on the upper end of the VC vapor chamber to increase the contact area with the air.

[0004] However, the heat inside the instrument will surround the surface of the heat sink and be difficult to dissipate, and the heat dissipation effect will also be poor around the heat sink, making it impossible to transfer the heat generated by the electronic instrument. Utility Model Content

[0005] In view of the deficiencies of the prior art, the utility model provides a VC heat dissipation device, which solves the problems raised by the above background technology.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a VC heat dissipation device, comprising a fixed plate and a VC heat spreader arranged on the upper end of the fixed plate, a heat dissipation fin is fixed to the upper end of the VC heat spreader, an auxiliary heat dissipation mechanism is arranged on the upper end of the VC heat spreader, the auxiliary heat dissipation mechanism comprises a fan, the fan is arranged at the upper end of the VC heat spreader, the suction end of the fan is connected to an air inlet pipe, the air outlet end of the fan is connected to an air outlet pipe, the hot air on the surface of the heat dissipation fin is sucked out through the air inlet pipe, and the hot air is discharged through the fan and the air outlet pipe.

[0007] Furthermore, an air inlet hole is opened on the side wall of the air inlet pipe, and the number of the air inlet holes is set in plurality, and the air inlet hole is set between two of the heat dissipation fins.

[0008] Furthermore, a dust cover is provided at the upper end of the VC heat spreader, and ventilation holes are opened on the side walls of the dust cover. The positions of the ventilation holes are arranged horizontally corresponding to the positions of the air inlet holes. The air inlet duct is arranged inside the dust cover, and the fan is fixedly connected to the upper end of the dust cover.

[0009] Furthermore, connecting plates are fixedly connected to both sides of the dust cover, a mounting plate is fixedly connected to the upper end of the fixing plate, fixing screws are passed through the mounting plate, and the fixing screws pass through the mounting plate and are threadedly connected to the connecting plate.

[0010] Furthermore, the end of the air outlet pipe is arranged at the outer end of the dust cover.

[0011] Furthermore, a filter screen is fixedly connected to the inner side of the ventilation strip hole.

[0012] Compared with the above-mentioned background technology, the VC heat dissipation device provided in the present application includes a VC heat spreader with very mature technology today, and an auxiliary heat dissipation mechanism as a core component. Its principle relies on the rapid flow of air to drive the heat dissipation, and generates faster ventilation when the air flows, thereby achieving better heat dissipation efficiency.

[0013] The utility model provides a VC heat dissipation device. Compared with the prior art, it has the following beneficial effects:

[0014] The VC heat dissipation device; by setting up an auxiliary heat dissipation mechanism, the fan drives the air inlet pipe to extract the hot air emitted from the surface of the heat dissipation fin, thereby achieving a rapid ventilation effect, allowing the heat dissipation fin to quickly absorb the heat emitted by the VC heat spreader, thereby achieving a better heat dissipation effect.

[0015] The VC heat dissipation device is provided with a dust cover, which can prevent more dust from falling on the surface of the heat dissipation fins, extend the service life of the VC heat spreader, and improve the heat dissipation efficiency of the VC heat spreader. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the structure of the dust cover and VC heat sink of the utility model;

[0018] Figure 3 It is a plan view of the fan and the air outlet duct of the utility model;

[0019] Figure 4 for Figure 3 Enlarged plan view of point A in the middle.

[0020] In the figure: 1. Fixing plate; 2. VC heat spreader; 3. Heat sink; 4. Dust cover; 5. Fan; 6. Air inlet duct; 7. Air outlet duct; 8. Air inlet hole; 9. Ventilation strip hole; 10. Connecting plate; 11. Mounting plate; 12. Fixing screws. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 The utility model provides a technical solution: a VC heat dissipation device, comprising a fixed plate 1 and a VC heat spreader 2 arranged at the upper end of the fixed plate 1, a heat dissipation fin 3 is fixed on the upper end of the VC heat spreader 2, and an auxiliary heat dissipation mechanism is arranged on the upper end of the VC heat spreader 2. The auxiliary heat dissipation mechanism comprises a fan 5, which is arranged at the upper end of the VC heat spreader 2, an air inlet pipe 6 is connected to the suction end of the fan 5, and an air outlet pipe 7 is connected to the air outlet pipe 7. The hot air on the surface of the heat dissipation fin 3 is sucked out through the air inlet pipe 6, and the hot air is discharged through the air outlet pipe 7 after passing through the fan 5; when heat is exchanged through the VC heat spreader 2, the heat is dissipated from the upper end, and the heat dissipation efficiency can be accelerated through the action of the heat dissipation fin 3, and the action of the fan 5 can drive the air inlet pipe 6 to suck away the dissipated hot air, and at the same time, the hot air is discharged from the air outlet pipe 7 through the fan 5, so that the hot air at the heat dissipation fin 3 can be quickly driven to be dissipated, thereby increasing the speed of heat exchange and achieving better heat dissipation efficiency.

[0023] like Figure 4 As shown, an air inlet hole 8 is opened on the side wall of the air inlet pipe 6, and the number of the air inlet holes 8 is set in multiples, and the air inlet holes 8 are set between the two heat dissipation fins 3; the air inlet holes 8 are opened on the side wall of the air inlet pipe 6, and the air inlet holes 8 are matched with the two heat dissipation fins 3, so that the hot air gathered between the heat dissipation fins 3 can be quickly drawn away, thereby accelerating the air flow speed between the heat dissipation fins 3, achieving better heat dissipation and heat exchange efficiency.

[0024] like Figure 2 As shown, a dust cover 4 is provided at the upper end of the VC heat spreader 2, and ventilation holes 9 are opened on the side walls of the dust cover 4. The positions of the ventilation holes 9 are arranged horizontally corresponding to the positions of the air inlet holes 8. The air inlet pipe 6 is arranged inside the dust cover 4, and the fan 5 is fixedly connected to the upper end of the dust cover 4; the dust cover 4 covers the VC heat spreader 2, thereby preventing dust from falling on the heat dissipating fins 3, and the ventilation holes 9 of the dust cover 4 can make the internal air flow faster, and negative pressure is formed in the dust cover 4 to make the heat exchange of hot air faster and more complete.

[0025] like Figure 1As shown, connecting plates 10 are fixedly connected to both sides of the dust cover 4, and a mounting plate 11 is fixedly connected to the upper end of the fixing plate 1. Fixing screws 12 are passed through the mounting plate 11 and are threadedly connected to the connecting plate 10. The dust cover 4 is matched with the mounting plate 11 through the connecting plate 10 and is fixed with the fixing screws 12, so that the dust cover 4 and the fan 5 can be disassembled during maintenance and repair, thereby increasing the overall service life.

[0026] like Figure 1 As shown, the end of the air outlet pipe 7 is located at the outer end of the dust cover 4; the air outlet end of the air outlet pipe 7 is located at the outer end of the dust cover 4, so that the dissipated hot air can be prevented from being sucked into the inside of the dust cover 4 again during ventilation.

[0027] like Figure 1 As shown, a filter is fixedly connected to the inner side of the ventilation strip hole 9, and the filter can isolate foreign matter or flocculent matter in the ventilation air to reduce the inhalation of dust or foreign matter.

Claims

1. A VC heat dissipation device, comprising a fixing plate (1) and a VC heat spreader (2) arranged at the upper end of the fixing plate (1), wherein a heat dissipation fin (3) is fixed at the upper end of the VC heat spreader (2), characterized in that: An auxiliary heat dissipation mechanism is arranged at the upper end of the VC heat spreader (2), and the auxiliary heat dissipation mechanism comprises a fan (5). The fan (5) is arranged at the upper end of the VC heat spreader (2), and the suction end of the fan (5) is connected to an air inlet pipe (6), and the air outlet end of the fan (5) is connected to an air outlet pipe (7). The hot air on the surface of the heat dissipation fin (3) is sucked out through the air inlet pipe (6), and the hot air is discharged through the fan (5) and the air outlet pipe (7).

2. A VC heat dissipation device according to claim 1, characterized in that: An air inlet hole (8) is provided on the side wall of the air inlet pipe (6), the air inlet holes (8) are provided in a plurality, and the air inlet holes (8) are provided between two of the heat dissipation fins (3).

3. A VC heat dissipation device according to claim 2, characterized in that: A dust cover (4) is provided at the upper end of the VC heat spreader (2); a ventilation strip hole (9) is provided on the side wall of the dust cover (4); the position of the ventilation strip hole (9) is arranged horizontally corresponding to the position of the air inlet hole (8); the air inlet pipe (6) is arranged inside the dust cover (4); and the fan (5) is fixedly connected to the upper end of the dust cover (4).

4. A VC heat dissipation device according to claim 3, characterized in that: Connecting plates (10) are fixedly connected to both sides of the dust cover (4); a mounting plate (11) is fixedly connected to the upper end of the fixing plate (1); fixing screws (12) are provided on the mounting plate (11); the fixing screws (12) pass through the mounting plate (11) and are threadedly connected to the connecting plate (10).

5. A VC heat dissipation device according to claim 2, characterized in that: The end of the air outlet pipe (7) is arranged at the outer end of the dust cover (4).

6. A VC heat dissipation device according to claim 3, characterized in that: A filter screen is fixedly connected to the inner side of the ventilation strip hole (9).

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