CN210068576U - Fan heat dissipation and conduction structure - Google Patents

Abstract

The utility model discloses a fan heat dissipation heat conduction structure, including fan cover, fan, heat dissipation lid, air intake, air outlet, the air intake sets up the fan is covered, the air outlet sets up the heat dissipation is covered, the fan is located between fan cover, the heat dissipation lid, still including separating fender subassembly, wind-guiding component, it sets up to separate the fender subassembly on the air intake, the wind-guiding component sets up the heat dissipation is covered. The utility model discloses the restriction wind flows with specific orbit and direction for the heat dissipation is covered and is generated heat serious regional great amount of wind that corresponds, and the heat dissipation of components and parts generates heat with higher speed, and the heat dissipation efficiency of improvement has improved space utilization simultaneously, makes the utility model discloses a structure is compacter.

Description

Fan heat dissipation and conduction structure

Technical Field

The utility model relates to a heat dissipation heat conduction structure especially relates to a fan heat dissipation heat conduction structure.

Background

Along with the continuous development of electric motor car technique, motor power also constantly improves, the quality of electric motor car motor performance is decided by the performance of spare part such as controller, but spare part such as current controller can produce a large amount of heats at the during operation, if can not in time reduce the temperature, can lead to the instability of motor controller work, cause its damage even, and then influence the normal use of electric motor car, traditional radiating mode all adopts the radiating form of aluminium alloy, the radiating effect is not good, the volume is bigger, the radiating effect is relatively poor, need to improve to this.

Disclosure of Invention

The utility model discloses to the heat radiation structure volume that exists among the prior art big on the left side, defect such as the radiating effect is relatively poor provides a new fan heat dissipation heat conduction structure.

In order to solve the technical problem, the utility model discloses a following technical scheme realizes:

the utility model provides a fan heat dissipation heat conduction structure, includes fan cover, fan, heat dissipation lid, air intake, air outlet, the air intake sets up the fan is covered, the air outlet sets up the heat dissipation is covered, the fan is located between fan cover, the heat dissipation lid, still including separating fender subassembly, wind-guiding subassembly, it sets up to separate the fender subassembly on the air intake, the wind-guiding subassembly sets up the heat dissipation is covered.

The fan provides power for the air flow, the fan cover is used for covering and protecting the components such as the fan and the air guide component inside the utility model, the heat dissipation cover is used for conducting the heat of the heating component, then the temperature of the surface of the heat dissipation cover is reduced by forming air flow between the air inlet and the air outlet, the baffle component arranged at the air inlet leads the cold air to be turned at a certain angle before entering the fan, a specific air inlet path is formed, dust and large-particle pollutants are prevented from entering the fan, the fan is prevented from being damaged, the air guide component arranged on the heat dissipation cover leads the air to flow through the heat dissipation cover in a specific path, the air is guided to a region with serious heating, the active air cooling effect is exerted to the maximum, the air duct is formed between the air inlet and the air outlet by the baffle component and the air guide component, and the air duct limits the air to flow in a specific track and, make the radiating cover go up the serious region that generates heat and correspond great amount of wind, the heat dissipation of the components and parts that generate heat with higher speed, the radiating efficiency of improvement has improved space utilization simultaneously, makes the utility model discloses a structure is compacter.

Preferably, in the above heat dissipation and heat conduction structure of the fan, the blocking component includes a first blocking plate, a second blocking plate, and a stop block, the first blocking plate is perpendicular to the second blocking plate, and an upper edge of the first blocking plate is higher than that of the second blocking plate, the air inlet is disposed between the first blocking plate and the second blocking plate, and the stop block is disposed on the air inlet.

First baffle and second baffle mutually perpendicular make the air current take place 90 degrees before getting into the fan and turn to, simultaneously because the top edge of first baffle is higher than the second baffle, can effectively prevent air reverse flow, guarantee that the air current gets into the air intake with specific direction, the dog is arranged in hindering the dust or the large granule pollutant entering fan in the wind.

Preferably, in the above heat dissipation and heat conduction structure for the fan, the number of the stop blocks is at least 2, the stop blocks are distributed on the air inlet in an array manner, and an air inlet channel is formed between adjacent stop blocks.

The baffle blocks distributed in an array mode on the air inlet can ensure that air flow entering the air inlet is even and gentle, and meanwhile, larger impurities are prevented from entering the fan.

Preferably, in the above heat dissipation and heat conduction structure for the fan, the heat dissipation cover is provided with a groove, the groove is opposite to the fan, the groove is provided with a wind shield, the air outlet is formed between two end portions of the wind shield, and the wind guide assembly is arranged on the air outlet.

This design concentrates on the air outlet in an orientation, can avoid the air to flow from a plurality of directions on the cooling cover, reduces the wind-guiding effect, leads to the concentrated region that should generate heat with the maximum amount of wind simultaneously, can realize best radiating effect, improves space utilization and reduces the energy consumption.

Preferably, in the above heat dissipation and heat conduction structure for the fan, the air guide assembly includes at least 2 heat dissipation fins, the heat dissipation fins are arranged in parallel on the air outlet, and an air guide channel is formed between adjacent heat dissipation fins.

The design of fin has improved the area of contact of cooling lid with the air to improved the radiating efficiency, the fin can also play the effect of strengthening rib simultaneously, improves the structural strength of cooling lid, and the wind-guiding passageway can be even gentle derives cold wind, thereby further improves the radiating efficiency of fin.

Preferably, in the heat dissipation and heat conduction structure of the fan, the heat dissipation fins are provided with air guide arcs.

The flow track of the air in the air channel is further limited, the air guide effect can be improved, turbulence of the air in the flow process is avoided, and the resistance of the fan is increased.

Preferably, in the heat dissipation and conduction structure of the fan, the heat dissipation sheet is made of aluminum.

The aluminum metal is adopted as a heat dissipation material, and has the advantages of low price, good heat conductivity, light weight, good ductility, convenience in processing and the like.

Preferably, in the above heat dissipation and heat conduction structure for the fan, the heat dissipation sheet and the heat dissipation cover are integrally formed.

The integrated into one piece's structure is favorable to improving structural stability, reduces installation cost.

Drawings

FIG. 1 is an exploded view of the present invention;

fig. 2 is a cross-sectional view of the blower cover of the present invention;

fig. 3 is a schematic structural diagram of the present invention.

Detailed Description

The invention will be described in further detail with reference to the accompanying figures 1-3 and the detailed description, but they are not intended to limit the invention:

example 1

The utility model provides a fan heat dissipation heat conduction structure, includes fan cover 1, fan 2, heat dissipation lid 3, air intake 11, air outlet 32, air intake 11 sets up fan cover 1 is last, air outlet 32 sets up heat dissipation lid 3 is last, fan 2 is located between fan cover 1, the heat dissipation lid 3, still including separating fender subassembly 5, wind-guiding subassembly 4, it sets up to separate fender subassembly 5 on the air intake 11, wind-guiding subassembly 4 sets up on the heat dissipation lid 3.

When the heat dissipation cover is used, the fan 2 is started, the fan 2 provides power to form an air flow from the air inlet 11 to the air outlet 32, negative pressure is formed outside the air inlet 11 under the action of the air flow, outside low-temperature air firstly enters the air inlet 11, the air enters the fan 2 after turning at a certain angle under the action of the blocking component 5, the air flows to the heat dissipation cover 3 after being accelerated by the fan 2 and exchanges heat with the heat dissipation cover 3, the temperature of the heat dissipation cover 3 is reduced, the air on the heat dissipation cover 3 flows to the air outlet 32 in a specific track under the action of the air guide component 4 and takes away the heat exchanged from the heat dissipation cover 3, and the heat dissipation and conduction effects are achieved.

Preferably, the baffle assembly 5 includes a first baffle 51, a second baffle 53, and a stopper 52, the first baffle 51 is perpendicular to the second baffle 53, and an upper edge of the first baffle 51 is higher than the second baffle 53, the air inlet 11 is disposed between the first baffle 51 and the second baffle 53, and the stopper 52 is disposed on the air inlet 11.

Preferably, the number of the stoppers 52 is at least 2, the stoppers are distributed on the air inlet 11 in an array, and an air inlet channel 111 is formed between adjacent stoppers 52.

Preferably, the heat dissipating cover 3 is provided with a groove 31, the groove 31 faces the fan 2, the groove 31 is provided with a wind shielding plate 311, the wind outlet 32 is formed between two ends of the wind shielding plate 311, and the wind guiding assembly 4 is disposed on the wind outlet 32.

Preferably, the air guiding assembly 4 includes at least 2 heat dissipating fins 41, the heat dissipating fins 41 are disposed in parallel on the air outlet 32, and an air guiding passage 42 is formed between adjacent heat dissipating fins 41.

Preferably, the heat dissipating fins 41 are provided with air guiding arcs 411.

Preferably, the heat sink 41 is made of aluminum.

Preferably, the heat sink 41 is integrally formed with the heat sink cover 3.

Furthermore, when in use, the fan 2 is started, the fan 2 provides power to form an air flow from the air inlet 11 to the air outlet 32, negative pressure is formed outside the air inlet 11 under the action of the air flow, external low-temperature air firstly enters the air inlet 11, 90-degree steering occurs under the action of the first baffle 51 and the second baffle 53, meanwhile, the air flow is scattered by the baffles 52 distributed on the air inlet 11 in an array manner, the air flow uniformly flows into the fan 2 along the periphery of the air inlet 11, meanwhile, larger granular impurities in the air are filtered by the first baffle 51, the second baffle 53 and the baffles 52, the air entering the fan 2 flows onto the heat dissipation cover 3 after being accelerated by the fan 2, cold air is blocked by 311, so that most of the cold air flows to the air outlet 32, the cold air is contacted with the heat dissipation cover 3 and the heat dissipation fins 41 arranged on the heat dissipation cover 3 to exchange heat and rise temperature, the heat dissipation cover 3 and the heat dissipation fins 41 cool down, and meanwhile, the cold air flows to the air outlet 32 in a specific track under the combined action of the heat dissipation fins 41, the wind shield 311 and the wind guide arc 411 and takes away heat exchanged from the heat dissipation cover 3, and finally, the air-cooling heat dissipation effect is achieved.

In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the present invention.

Claims (8)

1. The utility model provides a fan heat dissipation heat conduction structure, includes fan cover (1), fan (2), heat dissipation lid (3), air intake (11), air outlet (32), air intake (11) set up fan cover (1) is last, air outlet (32) set up on heat dissipation lid (3), fan (2) are located between fan cover (1), heat dissipation lid (3), its characterized in that: still including keeping off subassembly (5), air guide assembly (4), keep off subassembly (5) and set up on air intake (11), air guide assembly (4) set up on heat-radiating cover (3).

2. The fan heat dissipation and conduction structure of claim 1, wherein: the baffle assembly (5) comprises a first baffle (51), a second baffle (53) and a stop block (52), the first baffle (51) is perpendicular to the second baffle (53), the upper edge of the first baffle is higher than the second baffle (53), the air inlet (11) is formed between the first baffle (51) and the second baffle (53), and the stop block (52) is arranged on the air inlet (11).

3. The fan heat dissipation and conduction structure of claim 2, wherein: the number of the stop blocks (52) is at least 2, the stop blocks are distributed on the air inlet (11) in an array mode, and air inlet channels (111) are formed between the adjacent stop blocks (52).

4. The fan heat dissipation and conduction structure of claim 1, wherein: be provided with recess (31) on heat dissipation lid (3), recess (31) with fan (2) position is relative, be provided with deep bead (311) on recess (31), form between deep bead (311) both ends air outlet (32), air guide component (4) set up on air outlet (32).

5. The fan heat dissipation and conduction structure of claim 4, wherein: the air guide assembly (4) comprises radiating fins (41), the number of the radiating fins (41) is at least 2, the radiating fins are arranged on the air outlet (32) in parallel, and air guide channels (42) are formed between the adjacent radiating fins (41).

6. The fan heat dissipation and conduction structure of claim 5, wherein: and the radiating fins (41) are provided with air guide arcs (411).

7. The fan heat dissipation and conduction structure of claim 5, wherein: the radiating fins (41) are made of aluminum.

8. The fan heat dissipation and conduction structure of claim 5, wherein: the radiating fins (41) and the radiating cover (3) are integrally formed.

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