Radiator fan assembly

Abstract

The utility model discloses a radiator fan assembly. The radiator fan assembly comprises a fan protection cover, a brushless motor and a group of fan blades, the fan cover can be obliquely installed on an external whole vehicle, the brushless motor is fixed to the obliquely-upward face of the fan cover, and the fan blades are fixed to the brushless motor. 11 wind protection ring reinforcing ribs are arranged on the wind protection cover, a flow guide plate is arranged between the two wind protection ring reinforcing ribs at the upper left position of the wind protection ring, and the flow guide plate inclines inwards by 89.8 degrees in the axial direction. The left end and the right end of the upper end face of the fan protection cover are fixedly connected with handles correspondingly. A flow guide plate structure is additionally arranged on a wind ring of the wind protection cover, the flow guide plate structure is located at the upper left position of the wind ring, and a flow guide plate is located between reinforcing ribs on the two sides and inclines inwards by 89.8 degrees in the axial direction. According to the design, the ninth-order noise of the fan can be effectively reduced on the premise that the air volume is not influenced through verification.

Description

TECHNICAL FIELD

[0001] The utility model relates to the equipment for new energy automobile, concretely relates to a radiator fan assembly. BACKGROUND

[0002] With the development of new energy vehicles, the vehicle is changed from the original internal combustion engine drive to motor drive, and the traditional radiator module structure and performance cannot fully meet the vehicle demand. Compared with the traditional internal combustion engine cooling system, the vehicle front compartment needs a trunk, so the space left for the cooling module is greatly reduced, and an inclined arrangement is needed. At the same time, due to the absence of the noise of the internal combustion engine, the background noise in the vehicle is more quiet. This means that the noise standard of the fan operation in the vehicle needs higher requirements. SUMMARY

[0003] The utility model discloses a kind of radiator fan assemblies, a guide vane structure design is added in wind ring of wind shield, wherein guide vane structure is located in wind ring left upper position, guide vane is located in the middle position of two sides reinforcing rib, axial inner inclination 89.8 °. The design is verified under the premise of not affecting air volume, can effectively reduce fan 9 stage noise.

[0004] The technical scheme of the utility model is: a kind of radiator fan assembly, including a wind shield, a brushless motor and a group of fan blades;The wind shield can be obliquely installed on external vehicle, the brushless motor is fixed on the oblique side of the wind shield, and the fan blade is fixed on the brushless motor;

[0005] 11 wind ring reinforcing ribs are provided on the wind shield, and a guide vane is provided between the two wind ring reinforcing ribs in the left upper position of the wind ring, and the guide vane is inclined 89.8 ° along the axial direction.

[0006] The upper end face of the wind shield is fixedly connected with a handle on the left and right ends.

[0007] Further, the handle is of a ring structure, the central axis of the ring structure is perpendicular to the upper end face of the wind shield, and the hand-held part of the ring structure protrudes from the oblique side of the wind shield. It is convenient for the user to lift and pull the radiator fan assembly.

[0008] Further, the upper part, the middle part and the lower part of the left and right ends of the oblique side of the wind shield are respectively provided with a low-temperature radiator clamping structure for clamping and fixing the low-temperature radiator. The clamping design is convenient for assembly.

[0009] Further, the upper part and the lower part of the left and right ends of the oblique side of the wind shield are respectively provided with a condenser clamping structure for clamping and fixing the condenser. The clamping design is convenient for assembly.

[0010] Further, the first whole vehicle fixing structure is arranged on the left and right sides of the wind cover, and a screw hole for penetrating a fixing screw is arranged on the first whole vehicle fixing structure.

[0011] Further, the auxiliary positioning buckles are arranged on the left and right sides of the top of the downwardly inclined side of the wind cover.

[0012] The heat dissipation fan assembly has the advantages that the guide plate structure is arranged on the upper left position of the wind ring, the guide plate is arranged on the middle position of the two side reinforcing ribs, and the guide plate is inwardly inclined by 89.8° in the axial direction.

[0013] The handle structure is arranged on the upper position of the wind cover and is 100 mm long and 30 mm wide, so that the heat dissipation fan assembly is convenient to take. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 Fig. 1 is a schematic view of the heat dissipation fan assembly;

[0015] Figure 2 Fig. 2 is a schematic view of the wind cover structure;

[0016] Figure 3 Fig. 3 is a schematic view of the wind cover structure;

[0017] Figure 4 Fig. 4 is a schematic view of the heat dissipation fan assembly installation.

[0018] In the figure, 1 is a wind cover, 2 is a fan blade, 3 is a brushless motor, 4 is a bolt, 11 is a guide plate, 12 / 13 is a handle, 14 / 15 / 16 / 17 / 18 / 19 is a low-temperature radiator clamping structure, 20 / 21 / 22 / 23 is a condenser clamping structure, 24 / 26 is an auxiliary positioning buckle, and 24 / 25 / 26 / 27 is a first whole vehicle fixing structure. DETAILED DESCRIPTION

[0019] The heat dissipation fan assembly will be further described below with reference to the accompanying drawings.

[0020] As Figures 1-4As shown in the figure, a radiator fan assembly includes a shroud 1, a brushless motor 3 and a set of blades 2. The shroud 1 can be obliquely installed on the external vehicle, the brushless motor 3 is fixed on the obliquely upward side of the shroud 1 by bolts 4, and the blades 2 are fixed on the brushless motor 3. The design adopts a single fan design structure, and the brushless motor and the blades are fixed on the shroud by bolt fixing. The shroud serves as a carrier, and the low-temperature radiator and the condenser are assembled on the shroud, and the fan assembly is assembled on the vehicle. In order to facilitate carrying, two handles are added to the shroud, and in order to improve the NVH quality, the number of blade blades is 9, and the number of shroud ring reinforcing ribs is 11. A guide plate 11 is arranged between the two shroud ring reinforcing ribs at the upper left position of the shroud ring, and the guide plate 11 is inclined by 89.8° along the axial direction. The design can effectively reduce the 9-order noise of the fan 9 without affecting the air volume.

[0021] As shown in the figure, Figure 2 , 3 As shown in the figure, the upper end face of the shroud 1 is fixedly connected with a handle 12, 13 at the left and right ends. The handle 12, 13 is of a ring structure, the center axis of the ring structure is perpendicular to the upper end face of the shroud 1, and the handle part of the ring structure protrudes from the obliquely upward side of the shroud 1. It is convenient for the user to lift the radiator fan assembly.

[0022] The upper, middle and lower parts of the left and right ends of the obliquely upward side of the shroud 1 are respectively provided with a low-temperature radiator clamping structure 14, 15, 16, 17, 18, 19 for clamping and fixing the low-temperature radiator. The clamping design is convenient for assembly. The upper and lower parts of the left and right ends of the obliquely upward side of the shroud 1 are respectively provided with a condenser clamping structure 20, 21, 22, 23 for clamping and fixing the condenser. The left and right sides of the top of the obliquely downward side of the shroud 1 are respectively provided with an auxiliary positioning buckle 24, 26 which can be clamped on the external vehicle. The left and right sides of the shroud 1 are respectively provided with a first vehicle fixing structure 25, 27, and the first vehicle fixing structure 25, 27 is provided with a screw hole for passing through a fixing screw. The vehicle is fixed by passing through the screw hole with a bolt, and the entire cooling fan is fixed on the vehicle.

[0023] The above is only the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should be considered as the protection scope of the present application.

Claims

1. A heat sink fan assembly, characterized by: Including a wind guard (1), a brushless motor (3) and a set of fan blades (2); The wind guard (1) can be obliquely installed on the external whole vehicle, the brushless motor (3) is fixed on the obliquely upward side of the wind guard (1), and the fan blades (2) are fixed on the brushless motor (3); Eleven wind guard ring reinforcing ribs are arranged on the wind guard (1), a guide plate (11) is arranged between the two wind guard ring reinforcing ribs at the upper left position of the wind guard ring, and the guide plate (11) is inclined by 89.8° in the axial direction; The upper end face of the wind guard (1) is fixedly connected with a handle (12, 13) at the left end and the right end, respectively.

2. A heat sink fan assembly according to claim 1, wherein: The handle (12, 13) is of annular structure, the central axis of the annular structure is perpendicular to the upper end face of the wind guard (1), and the hand-held part of the annular structure protrudes from the obliquely upward side of the wind guard (1).

3. A heat sink fan assembly according to claim 1, wherein: The upper part, the middle part and the lower part of the left end and the right end of the obliquely upward side of the wind guard (1) are respectively provided with a low-temperature radiator clamping structure (14, 15, 16, 17, 18, 19) for clamping and fixing a low-temperature radiator.

4. A heat sink fan assembly according to claim 1, wherein: The upper part and the lower part of the left end and the right end of the obliquely upward side of the wind guard (1) are respectively provided with a condenser clamping structure (20, 21, 22, 23) for clamping and fixing a condenser.

5. A heat sink fan assembly according to claim 1, wherein: The left side and the right side of the wind guard (1) are respectively provided with a first whole vehicle fixing structure (25, 27), and the first whole vehicle fixing structure (25, 27) is provided with a screw hole for penetrating a fixing screw.

6. A heat sink fan assembly according to claim 5, wherein: The left side and the right side of the top of the obliquely downward side of the wind guard (1) are respectively provided with an auxiliary positioning buckle (24, 26) capable of being clamped on the external whole vehicle.

Images