Air blower for heat dissipation of new energy battery vehicle

Abstract

The utility model discloses an air blower for heat dissipation of a new energy battery vehicle. The air blower comprises a volute, a wind wheel and a driving piece. The wind wheel is installed in the volute and comprises a hub and a plurality of blade plates evenly distributed around the outer circumference of the hub. The driving part is installed in the center of the wind wheel hub and used for driving the wind wheel to rotate. Under the rotation of the wind wheel, airflow is sucked into the volute and is discharged from an outlet in one side of the volute after surrounding the driving part by a circle; the center of the hub is in a protruding design and used for half containing the driving piece. According to the air blower for heat dissipation of the new energy battery vehicle, lightweight design is adopted, and the requirements of the new energy vehicle for the performance, size, noise and vibration of the air blower are met.

Description

Technical Field

[0001] The utility model relates to the technical field of cooling fans for new energy battery vehicles, and particularly relates to a blower for cooling new energy battery vehicles. Background Art

[0002] With the development of new energy battery vehicles, automobile manufacturers have put forward new requirements for the performance of blowers for cooling new energy vehicle batteries. On the premise of meeting the requirements of air volume and heat dissipation, it is necessary to achieve the light and thin design of the blower. At the same time, in order to ensure the riding experience of users, the noise and vibration of the blower need to be controlled within a certain range. Therefore, in order to meet the requirements of lightweight design, it is necessary to develop a blower for cooling new energy battery vehicles. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a blower for cooling new energy battery vehicles, which is used to meet the requirements of new energy vehicles for the performance, size, noise and vibration of the blower.

[0004] To solve the above technical problems, the utility model provides a blower for cooling new energy battery vehicles, which includes a volute, a wind wheel and a driving member;

[0005] The wind wheel is installed inside the volute and includes a hub and a plurality of blade plates evenly distributed around the outer circumference of the hub;

[0006] The driving member is installed at the center of the hub of the wind wheel and is used to drive the wind wheel to rotate; under the rotation of the wind wheel, air flow is inhaled into the inside of the volute, and after surrounding the driving member for one circle, it is discharged from the outlet on one side of the volute;

[0007] A convex design is adopted at the center of the hub to semi-accommodate the driving member.

[0008] Preferably, the volute includes an upper volute and a lower volute, and the upper volute and the lower volute are connected by a snap connection.

[0009] Preferably, the multiple blade plates of the wind wheel extend along the axial direction on the outer circumference of the hub and are arranged around the outer circumference of the hub in a radial direction at the same time.

[0010] Preferably, the driving member is a brushless motor, which includes a housing, a rotor, a stator, a rear cover and a controller module; one end of the rotating shaft of the rotor is embedded in the rear bearing of the rear cover, and the other end passes through the stator and is embedded in the front bearing of the housing, and the rotating shaft passing through the housing is inserted into the hub of the wind wheel and fixed by a clamp, so that the rotating shaft can drive the wind wheel to rotate.

[0011] Preferably, a cover-shaped iron core is installed at the relative position of the stator, and magnetic tiles are fixed outside the iron core by glue.

[0012] Preferably, an annular groove is formed in the center of the rear cover for installing the rear bearing, and a corrugated washer is padded in the annular groove.

[0013] Preferably, heat dissipation holes are formed on the surface of the housing of the driving member in a circumferential distribution. When the airflow inhaled by the wind wheel circulates around the driving member for one circle, heat dissipation is carried out through the heat dissipation holes.

[0014] Preferably, the controller module includes an annular circuit board, a heat dissipation silica gel sheet and an annular aluminum plate. The heat dissipation silica gel sheet is placed between the annular circuit board and the annular aluminum plate;

[0015] And three fixing holes are formed through the circumferences of the annular circuit board, the heat dissipation silica gel sheet and the annular aluminum plate, and the three are fixed by fixing members to form the controller module.

[0016] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0017] 1. The blower for heat dissipation of the new energy battery vehicle adopts a lightweight design. A convex design is adopted at the center of the wheel hub to semi-accommodate the driving member, increasing the space utilization rate and further compressing the overall size of the blower;

[0018] 2. A corrugated washer is padded in the annular groove of the rear cover of the brushless motor of the blower for heat dissipation of the new energy battery vehicle to control the height of the rear bearing while protecting the rear bearing and reducing vibration noise;

[0019] 3. The surface of the brushless motor housing of the blower for heat dissipation of the new energy battery vehicle adopts a heat dissipation hole design, which can reduce the weight of the driving member while improving the heat dissipation efficiency of the driving member;

[0020] 4. A heat dissipation silica gel sheet is arranged between the annular circuit board and the annular aluminum plate of the controller module of the blower for heat dissipation of the new energy battery vehicle, which not only improves the heat dissipation efficiency, but also plays a certain protective role for the annular circuit board itself. Description of the Drawings

[0021] Figure 1 is a schematic structural diagram of a blower for heat dissipation of a new energy battery vehicle provided by the present utility model;

[0022] Figure 2 is a top view of a blower for heat dissipation of a new energy battery vehicle provided by the present utility model;

[0023] Figure 3 is a sectional view of a blower for heat dissipation of a new energy battery vehicle provided by the present utility model;

[0024] Figure 4It is an exploded view of a blower for heat dissipation of a new energy battery vehicle provided by the present utility model.

[0025] In the figure: 1, volute; 2, impeller; 3, driving member; 101, upper volute; 102, lower volute; 301, housing; 302, rotor; 303, stator; 304, rear cover; 305, controller module; 306, rear bearing; 307, front bearing; 308, iron core; 309, magnetic tile; 3010, wave washer; 3011, heat dissipation hole. Detailed implementation manners

[0026] The following further detailed description of the present utility model is made in conjunction with the accompanying drawings and specific embodiments. The advantages and features of the present utility model will be clearer according to the following description and claims. It should be noted that the accompanying drawings are all in a very simplified form and use non-precise scales, only for the purpose of facilitating and clearly assisting in explaining the purpose of the embodiments of the present utility model.

[0027] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0028] In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations. Embodiment

[0029] The present utility model provides a blower for heat dissipation of a new energy battery vehicle. Please refer to Figures 1-3, including a volute 1, a wind wheel 2 and a driving member 3; the wind wheel 2 is installed inside the volute 1 and includes a hub and a plurality of blade plates evenly distributed around the outer circumference of the hub; the driving member 3 is installed at the center of the hub of the wind wheel 2 and is used to drive the wind wheel 2 to rotate; under the rotation of the wind wheel 2, air flow is inhaled into the inside of the volute 1, and after surrounding the driving member 3 for one circle, it is discharged from the outlet on one side of the volute 1; a convex design is adopted at the center of the hub to semi-accommodate the driving member 3, which increases the space utilization rate and further compresses the overall size of the blower.

[0030] Specifically, please refer to Figure 4 , the volute 1 includes an upper volute 101 and a lower volute 102, and the upper volute 101 and the lower volute 102 are connected by snap fasteners. The volute can prevent water accumulation, dust, etc. from entering the driving member and extend the service life of the driving member. A shock-absorbing pad is installed in the positioning hole of the lower volute to reduce the vibration noise of the blower.

[0031] Specifically, the multiple blade plates of the wind wheel 2 extend along the axial direction on the outer circumference of the hub and are arranged circumferentially around the outer circumference of the hub along the radial direction at the same time.

[0032] Specifically, the driving member 3 is a brushless motor, including a housing 301, a rotor 302, a stator 303, a rear cover 304 and a controller module 305; one end of the rotating shaft of the rotor 302 is embedded in the rear bearing 306 of the rear cover 304, and the other end passes through the stator 303 and is embedded in the front bearing 307 of the housing 301, and the rotating shaft passing through the housing 301 is inserted into the hub of the wind wheel 2 and fixed by a clamp so that the rotating shaft can drive the wind wheel 2 to rotate.

[0033] Further, a cover-shaped iron core 308 is installed at the relative position of the stator 303, and a magnetic tile 309 is fixed outside the iron core 308 by glue.

[0034] Further, a ring-shaped groove is opened at the center of the rear cover 304 for installing the rear bearing 306, and a corrugated washer 3010 is padded in the ring-shaped groove to control the height of the rear bearing and protect the rear bearing while reducing vibration noise.

[0035] In one embodiment, heat dissipation holes 3011 are formed on the surface of the housing 301 of the driving member 3 and are distributed circumferentially. When the air flow inhaled by the wind wheel 2 surrounds the driving member 3 for one circle, heat dissipation is carried out through the heat dissipation holes 3011. The heat dissipation hole design on the surface of the housing 301 can reduce the weight of the driving member 3 while improving the heat dissipation efficiency of the driving member 3.

[0036] Further, the controller module 305 includes an annular circuit board, a heat dissipation silica gel sheet, and an annular aluminum plate. The heat dissipation silica gel sheet is placed between the annular circuit board and the annular aluminum plate; while improving the heat dissipation efficiency, the heat dissipation silica gel sheet also plays a certain protective role for the annular circuit board itself.

[0037] In an embodiment, three fixing holes are penetrated through the circumferences of the annular circuit board, the heat dissipation silica gel sheet, and the annular aluminum plate, and the three are fixed by fixing members to form the controller module 305; using fixing members to fix the annular circuit board, the heat dissipation silica gel sheet, and the annular aluminum plate is convenient for assembly and disassembly and can also save costs.

[0038] The above description is only a description of the preferred embodiments of the present invention and does not limit the scope of the present invention in any way. Any changes and modifications made by those of ordinary skill in the field of the present invention according to the above disclosure are within the scope of protection of the claims.

Claims

1. A blower for heat dissipation of new energy battery vehicles, characterized in that: It comprises a volute (1), a wind wheel (2) and a driving member (3); The wind wheel (2) is installed inside the volute (1), and comprises a hub and a plurality of blade plates evenly distributed around the outer circumference of the hub; The driving member (3) is mounted at the center of the hub of the wind wheel (2) and is used to drive the wind wheel (2) to rotate; under the rotation of the wind wheel (2), the airflow is sucked into the interior of the volute (1), and after circling the driving member (3), it is discharged from an outlet on one side of the volute (1); A convex design is adopted at the center of the wheel hub to semi-accommodate the driving member (3).

2. A blower for heat dissipation of a new energy battery vehicle as claimed in claim 1, characterized in that: The volute (1) comprises an upper volute (101) and a lower volute (102), and the upper volute (101) and the lower volute (102) are connected by means of a snap-fit ​​connection.

3. A blower for heat dissipation of a new energy battery vehicle as claimed in claim 1, characterized in that: The plurality of blade plates of the wind wheel (2) extend along the axial direction on the outer circumference of the hub and are arranged radially around the outer circumference of the hub.

4. A blower for heat dissipation of a new energy battery vehicle as claimed in claim 1, characterized in that: The driving member (3) is a brushless motor, comprising a housing (301), a rotor (302), a stator (303), a rear cover (304), and a controller module (305); one end of the rotating shaft of the rotor (302) is embedded in a rear bearing (306) of the rear cover (304), and the other end passes through the stator (303) and is embedded in a front bearing (307) of the housing (301); the rotating shaft passes through the housing (301) and is inserted into the hub of the wind wheel (2), and is fixed by a clamp, so that the rotating shaft can drive the wind wheel (2) to rotate.

5. A blower for heat dissipation of a new energy battery vehicle as claimed in claim 4, characterized in that: A cover-shaped iron core (308) is installed at a position opposite to the stator (303), and a magnetic tile (309) is fixed to the outside of the iron core (308) by glue.

6. A blower for heat dissipation of a new energy battery vehicle as claimed in claim 4, characterized in that: An annular groove is provided at the center of the rear cover (304) for mounting the rear bearing (306), and a wave washer (3010) is provided in the annular groove.

7. A blower for heat dissipation of a new energy battery vehicle as claimed in claim 4, characterized in that: The surface of the housing (301) of the driving member (3) is provided with heat dissipation holes (3011) distributed in the circumferential direction, and when the airflow sucked by the wind wheel (2) circles around the driving member (3), heat is dissipated through the heat dissipation holes (3011).

8. A blower for heat dissipation of a new energy battery vehicle as claimed in claim 4, characterized in that: The controller module (305) comprises an annular circuit board, a heat dissipation silicone sheet and an annular aluminum plate, wherein the heat dissipation silicone sheet is placed between the annular circuit board and the annular aluminum plate; In addition, three fixing holes are provided through the annular circuit board, the heat dissipation silicone sheet and the circumference of the annular aluminum plate, and the three are fixed by fixing parts to form the controller module (305).

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