High-voltage electronic fan

Abstract

The invention discloses a high-voltage electronic fan which comprises an axial magnetic flux motor assembly, a motor controller assembly and a heat dissipation assembly. The axial magnetic flux motor assembly comprises a controller top cover, a controller shell is arranged on the lower portion of the controller top cover, a stator coil installation sleeve is arranged on the lower portion of the controller shell, a stator coil is arranged in the stator coil installation sleeve, a layer of heat conduction insulation sealant is arranged outside the stator coil, and a shaft is arranged at the concentric shaft position of the stator coil installation sleeve and the controller shell. A connecting column is arranged on the shaft; the motor controller assembly is arranged in the axial flux motor assembly and comprises a controller, the controller is arranged in a controller shell, and the connecting column is associated with the controller; the heat dissipation assembly is arranged at the lower part of the axial magnetic flux motor assembly and comprises a fan cover, the fan cover is arranged at the lower part of the stator coil mounting sleeve, fan blades are arranged in the fan cover, a rotor is arranged at the central position of the fan blades, and a bearing is arranged at the central hole position of the rotor; the lower portion of the shaft penetrates through the bearing. The LED lamp has the advantages of light structure, high power, high heat dissipation performance and the like.

Description

Technical Field

[0001] The invention relates to the field of high-voltage fan heat dissipation, and in particular to a high-voltage electronic fan. Background Art

[0002] At present, domestic fuel cells are developing in the direction of high power, and the heat dissipation problem caused by the power leap is becoming more and more prominent. Fuel cell vehicles have higher heat dissipation requirements than traditional vehicles and pure electric vehicles. As one of the important heat dissipation components, most users currently choose low-voltage electronic fans as the mainstream, but traditional low-pressure fans can hardly meet the heat dissipation requirements of high-power fuel cells. Often multiple low-pressure fans are required to achieve a better heat dissipation effect. Therefore, high-voltage electronic fans with better heat dissipation effect and easier installation have become the preferred reserve solution, but good high-voltage electronic fans are often large in size and heavier in weight, which brings inconvenience to the user's use and installation, making the overall user experience worse and unwilling to use it frequently. Therefore, it is an urgent need for users to load fewer fans to achieve better heat dissipation effects, and to have high-voltage electronic fans with smaller size, lighter weight, higher power and larger air output, which is also the primary task to break the current dilemma.

[0003] The Chinese invention patent with application number CN202411330501.6 discloses a disk-type motor cooling device with both internal and external cooling, including a housing, a bracket three fixedly mounted inside the housing, and a mounting ring fixedly mounted outside the housing; a main body, the main body including an annular patch fixedly mounted inside the housing, a plurality of stators fixedly mounted on the annular patch, a docking ring rotatably mounted on the bracket three, a rotating shaft and a bracket two fixedly mounted on the docking ring, and a plurality of rotors matched with the stators fixedly mounted on the bracket two. This invention does not solve the defects of the above-mentioned prior art. Summary of the invention

[0004] The present invention aims to solve the problem that traditional low-pressure fans cannot meet the heat dissipation requirements of high-power fuel cells, and to solve the problem that today's society urgently needs high-pressure electronic fans with larger air volume, smaller size, lighter weight and higher power.

[0005] To this end, the present invention proposes a high-voltage electronic fan, including an axial flux motor assembly, characterized in that: it also includes a motor controller assembly and a heat dissipation assembly; The axial flux motor assembly includes a controller top cover, a controller housing is disposed at the bottom of the controller top cover, a stator coil mounting sleeve is disposed at the bottom of the controller housing, a stator coil is disposed inside the stator coil mounting sleeve, a layer of heat-conducting insulating sealant is covered on the outside of the stator coil, a shaft is disposed at the coaxial position of the stator coil mounting sleeve and the controller housing, and a connecting column is disposed on the shaft; The motor controller assembly is disposed within the axial flux motor assembly and includes a controller, wherein the controller is disposed within a controller housing, and the connecting post is associated with the controller; The heat dissipation assembly is arranged at the lower part of the axial flux motor assembly, and includes a fan cover, wherein the fan cover is arranged at the lower part of the stator coil mounting sleeve, a fan blade is arranged inside the fan cover, a rotor is arranged at the center of the fan blade, wherein the fan blade and the rotor are fixedly connected and integrated into one body, and a bearing is sleeved at the center hole of the rotor; The lower portion of the shaft passes through the bearing and is fastened with a lock nut, thereby linking the rotor and stator coils together.

[0006] The effect is that the axial flux motor assembly, the motor controller assembly, the controller top cover and the heat dissipation assembly are combined to achieve the functions of the present invention with larger air volume, smaller volume, lighter weight and higher power; The controller top cover and the lower controller housing form a complete protective housing, and the stator coil mounting sleeve arranged below it can protect the internal stator coil and is also the key part of the heat dissipation assembly; The shaft and the connecting column are arranged in this way to connect the entire structure of the invention, and the controller housing plays a protective role for the internal controller; A layer of heat-conductive insulating sealant is covered on the outside of the stator coil, which can dissipate heat from the stator coil and insulate the stator coil from the stator coil mounting sleeve, and also play a role in waterproofing and sealing; Setting the shaft at the concentric axis position of the controller housing and the stator coil mounting sleeve can ensure the stable operation of the high-voltage electronic fan; The connecting column is sleeved on the shaft and is associated with the controller, so that the high-voltage electronic fan can be connected to the circuit and its operation can be controlled; The fan blades and rotor are fixedly connected and integrated into one body, which can fully and effectively realize the heat dissipation function of the fan, and on the other hand, it can also improve stability and firmness; The heat dissipation assembly includes a fan cover and internal fan blades, a rotor arranged at the center of the fan blades, and a bearing sleeved at the center hole of the rotor, which are combined into a complete fan heat dissipation mechanism; At the same time, the lower part of the shaft passes through the bearing and is fastened with a lock nut, and the fan cover is fixed under the stator coil mounting sleeve, so that the fan heat dissipation mechanism forms a complete passage with the axial flux motor assembly and the motor controller assembly above.

[0007] A further improvement is that the motor controller assembly also includes a waterproof plug and a two-core male socket head, and the waterproof plug and the two-core male socket head are arranged on the side of the controller top cover.

[0008] The effect is: arranging a waterproof plug and a two-core male socket on the side of the controller top cover can effectively prevent the waterproof plug and the two-core male socket from being damaged by a frontal collision, and also has functions such as waterproof and dustproof, and the overall practicality is greatly increased.

[0009] A further improvement is that a cover plate is also provided on the stator coil mounting sleeve.

[0010] The effect is that the cover plate on the stator coil mounting sleeve further protects the stator coil deep inside, and the cover plate can fully isolate most dust and residues from invading the stator coil, thereby greatly extending the service life of the invention.

[0011] A further improvement is that the upper surface of the stator coil is flush with the upper surface of the interior of the stator coil mounting sleeve.

[0012] The effect is that such an arrangement can stabilize the air gap between the rotor and the stator coil.

[0013] A further improvement is that: the rotor is provided with a plurality of magnets which are evenly spaced.

[0014] The effect is that this can ensure uniform air gap and rotational balance between the rotor and stator coils.

[0015] A further improvement is that when the connecting column is sleeved on the shaft, a first O-ring is also sleeved on the upper part of the connecting column.

[0016] The effect is that the first O-ring can perfectly seal the connection between the shaft and the connecting column.

[0017] A further improvement is that a first retaining spring is also arranged outside the first O-ring.

[0018] The effect is that the first retaining spring can prevent the connecting column on the shaft from accidentally popping out.

[0019] A further improvement is that a second O-ring is provided at the lower part of the controller top cover.

[0020] The effect is that the second O-ring at the lower part of the controller top cover can further seal and tighten the connection between the controller top cover and the controller housing.

[0021] A further improvement is that a second retaining spring is provided at the connection between the rotor and the bearing.

[0022] The effect is that the second retaining spring can prevent the bearing from falling off the rotor.

[0023] A further improvement is that the rotor and the blades are connected by bolts, and the blades are provided with threaded bushings matching the bolts.

[0024] The effect is that arranging a threaded bushing that cooperates with the bolt on the fan blade can greatly increase the service life of the fan, thereby improving the overall performance of the present invention. Beneficial effects:

[0025] While solving the problem that traditional low-pressure fans cannot meet the heat dissipation requirements of high-power fuel cells, the present invention uses a technical means of integrating the heat dissipation system of the electronic fan with the high-voltage motor system, which greatly compresses the volume of the high-voltage electronic fan and reduces the overall weight, while still having the advantages of higher power and larger air volume. At the same time, the present invention has a streamlined structure, and is more user-friendly and more universal in terms of manufacturing methods and ease of use and installation. It also has an IP68 protection level and can be widely promoted and popularized. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall appearance structure of the present invention; Figure 2 is a sectional view taken along the line AA of the present invention; Figure 3 It is a schematic diagram of the explosion structure of the present invention; Figure 4 1 is a schematic diagram of the partial structure of the first retaining spring; Figure 5 It is a schematic diagram of the partial structure of the second retaining spring.

[0027] In the figure, 1 is a fan cover, 2 is a fan blade, 3 is a rotor, 4 is a stator coil, 5 is a stator coil mounting sleeve, 6 is a cover plate, 7 is a shaft, 8 is a connecting column, 9 is a controller housing, 10 is a controller top cover, 11 is a controller, 12 is a two-core male socket, 13 is a waterproof plug, 15 is a bearing, 16 is a first retaining spring, 17 is a second retaining spring, 19 is a first O-ring, 20 is a second O-ring, 22 is a magnetic steel, 31 is an axial flux motor assembly, 32 is a motor controller assembly, and 33 is a heat dissipation assembly. DETAILED DESCRIPTION

[0028] The following is combined with the instructions Figures 1 to 5 By further describing the specific implementation methods of the present invention, the technical solutions and beneficial effects of the present invention are made clearer and more specific.

[0029] The present invention provides a high-voltage electronic fan, comprising an axial flux motor assembly 31, a motor controller assembly 32 and a heat dissipation assembly 33; The axial flux motor assembly 31 includes a controller top cover 10, a controller housing 9 is disposed at the bottom of the controller top cover 10, a stator coil mounting sleeve 5 is disposed at the bottom of the controller housing 9, a stator coil 4 is disposed inside the stator coil mounting sleeve 5, and a layer of heat-conducting insulating sealant is covered on the outside of the stator coil 4, a shaft 7 is disposed at the coaxial position of the stator coil mounting sleeve 5 and the controller housing 9, and a connecting column 8 is sleeved on the shaft 7; The motor controller assembly 32 is disposed in the axial flux motor assembly 31 and includes a controller 11, wherein the controller 11 is disposed inside the controller housing 9, and the connecting column 8 is associated with the controller 11; The heat dissipation assembly 33 is arranged at the lower part of the axial flux motor assembly 31, and includes a fan cover 1, wherein the fan cover 1 is arranged at the lower part of the stator coil mounting sleeve 5, a fan blade 2 is arranged inside the fan cover 1, and a rotor 3 is arranged at the center of the fan blade 2, wherein the fan blade 2 and the rotor 3 are fixedly connected and integrated into one body, and a bearing 15 is sleeved at the center hole position of the rotor 3; The lower portion of the shaft 7 passes through the bearing 15 and is fastened with a lock nut, thereby connecting the rotor 3 and the stator coil 4 together.

[0030] The motor controller assembly 32 further includes a waterproof plug 13 and a two-core male socket 12 , wherein the waterproof plug 13 and the two-core male socket 12 are arranged on the side of the controller top cover 10 .

[0031] The stator coil mounting sleeve 5 is further provided with a cover plate 6 .

[0032] The upper surface of the stator coil 4 is aligned with the inner upper surface of the stator coil mounting sleeve 5 .

[0033] The rotor 3 is provided with a plurality of magnets 22 which are evenly spaced.

[0034] When the connecting column 8 is sleeved on the shaft 7 , a first O-ring 19 is sleeved on the upper portion of the connecting column 8 .

[0035] A first retaining spring 16 is further disposed outside the first O-ring 19 .

[0036] A second O-ring 20 is disposed at the lower portion of the controller top cover 10 .

[0037] A second retaining spring 17 is further provided at the connection between the rotor 3 and the bearing 15 .

[0038] The rotor 3 and the fan blades 2 are connected by bolts, and the fan blades 2 are provided with threaded bushings matching the bolts.

Claims

1. A high-voltage electronic fan, comprising an axial flux motor assembly (31), characterized in that: Also included is a motor controller assembly (32) and a heat dissipation assembly (33); The axial flux motor assembly (31) comprises a controller top cover (10), a controller housing (9) is arranged at the bottom of the controller top cover (10), a stator coil mounting sleeve (5) is arranged at the bottom of the controller housing (9), a stator coil (4) is arranged inside the stator coil mounting sleeve (5), the stator coil (4) is covered with a layer of heat-conducting insulating sealant, a shaft (7) is arranged at a coaxial position between the stator coil mounting sleeve (5) and the controller housing (9), and a connecting column (8) is sleeved on the shaft (7); The motor controller assembly (32) is arranged in the axial flux motor assembly (31), and comprises a controller (11), wherein the controller (11) is arranged inside the controller housing (9), and the connecting column (8) is associated with the controller (11); The heat dissipation assembly (33) is arranged at the bottom of the axial flux motor assembly (31), and comprises a fan cover (1), wherein the fan cover (1) is arranged at the bottom of the stator coil mounting sleeve (5), a fan blade (2) is arranged inside the fan cover (1), a rotor (3) is arranged at the center of the fan blade (2), wherein the fan blade (2) and the rotor (3) are fixedly connected and integrated into one body, and a bearing (15) is sleeved at the center hole of the rotor (3); The lower part of the shaft (7) passes through the bearing (15) and is fastened with a lock nut, thereby connecting the rotor (3) and the stator coil (4) together.

2. The high voltage electronic fan according to claim 1, characterized in that: The motor controller assembly (32) further comprises a waterproof plug (13) and a two-core male socket (12), wherein the waterproof plug (13) and the two-core male socket are arranged on the side of the controller top cover (10) (12).

3. The high voltage electronic fan according to claim 1, characterized in that: The stator coil mounting sleeve (5) is also provided with a cover plate (6).

4. The high voltage electronic fan according to claim 1, characterized in that: The upper surface of the stator coil (4) is aligned flatly with the inner upper surface of the stator coil mounting sleeve (5).

5. The high voltage electronic fan according to claim 1, characterized in that: The rotor (3) is provided with a plurality of magnets (22) arranged at even intervals.

6. The high voltage electronic fan according to claim 1, characterized in that: When the connecting column (8) is sleeved on the shaft (7), a first O-ring (19) is sleeved on the upper part of the connecting column (8).

7. The high voltage electronic fan according to claim 6, characterized in that: A first retaining spring (16) is also provided outside the first O-ring (19).

8. The high voltage electronic fan according to claim 1 or 2, characterized in that: A second O-ring (20) is provided at the lower portion of the controller top cover (10).

9. The high voltage electronic fan according to claim 1, characterized in that: A second retaining spring (17) is also provided at the connection between the rotor (3) and the bearing (15).

10. The high voltage electronic fan according to claim 1, characterized in that: The rotor (3) and the fan blades (2) are connected by bolts, and the fan blades (2) are provided with threaded bushings matching the bolts.

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