Ultra-high speed boost cone flow channel fan and assembly method thereof

Abstract

The present invention discloses an ultra-high speed supercharged conical flow channel fan and an assembly method thereof, comprising a first frame, a second frame, a rotor assembly, a stator assembly, a PCB board and a fan heat assembly, wherein a flow channel is arranged in the first frame, the left end of the flow channel is integrally formed with the left end of the first frame, and the inner diameter of the flow channel increases from left to right; a static blade integrally formed with the second frame is arranged in the right part of the second frame, the first frame is clamped on the second frame, and a mounting cavity is enclosed between the second frame on the left side of the static blade and the flow channel; the rotor assembly is installed in the mounting cavity and the rotor assembly is coaxially arranged with the first frame, the left middle part of the rotor assembly is located in the flow channel, and the right part of the rotor assembly is located on the left side of the static blade in the second frame. The present invention has the advantages of convenient disassembly and assembly, low noise, etc.

Description

Technical Field

[0001] The invention belongs to the technical field of fans, and in particular relates to an ultra-high speed pressurized conical flow channel fan and an assembly method thereof. Background Art

[0002] Currently, the cooling fans used in server power supplies on the market still have problems such as high noise. Summary of the invention

[0003] In order to solve the deficiencies in the prior art, the present invention provides an ultra-high speed pressurized conical flow channel fan with low noise and an assembly method thereof.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0005] Ultra-high speed boost cone flow fan, including:

[0006] A first frame body, wherein a flow channel is disposed in the first frame body, a left end portion of the flow channel is integrally formed with a left end portion of the first frame body, and an inner diameter of the flow channel increases from left to right;

[0007] A second frame, wherein a stator blade integrally formed with the second frame is disposed in the right part of the second frame, the first frame is clamped on the second frame, and the second frame on the left side of the stator blade and the flow channel form a mounting cavity;

[0008] A rotor assembly, wherein the rotor assembly is installed in the installation cavity and is coaxially arranged with the first frame, a left middle portion of the rotor assembly is located in the flow channel, and a right portion of the rotor assembly is located on the left side of the stationary blade in the second frame;

[0009] A stator assembly, wherein the stator assembly is installed in the installation cavity and the left middle portion of the stator assembly is sleeved on the middle portion of the rotor assembly, the left end portion of the rotor assembly extends to the left of the stator assembly, the right end portion of the rotor assembly extends to the right to the middle portion of the stationary blade, and the right end surface of the rotor assembly is flush with the right end surface of the stationary blade;

[0010] A PCB board, wherein the PCB board is installed on the left side of the stator blade in the second frame, the PCB board is sleeved on the right part of the stator assembly and the PCB board and the right part of the stator assembly are spaced apart, and the PCB board is electrically connected to the stator assembly; and

[0011] A fan blade assembly is installed in the flow channel and is installed on the left end of the rotor assembly extending to the left side of the stator assembly.

[0012] Preferably, the rotor assembly includes a rotating shaft, a first bearing and a second bearing, the first bearing is installed on the left middle portion of the rotating shaft, the second bearing is installed on the right end portion of the rotating shaft, the first bearing is located in the flow channel, the second bearing is located on the left side of the stationary blade in the second frame, and the rotating shaft is coaxially arranged with the first frame.

[0013] Preferably, the stator assembly includes a copper tube, a winding stator and a rubber magnet, the copper tube is sleeved on the first bearing and the second bearing, the winding stator is sleeved on the copper tube, and the rubber magnet is sleeved on the winding stator. The left middle part of the copper tube, the rubber magnet and the winding stator are all located in the flow channel, the left end of the rotating shaft extends to the left to the left side of the copper tube, the right end of the copper tube extends to the right to the middle part of the stator blade and the right end face of the copper tube is flush with the right end face of the stator blade, the PCB board is sleeved on the right part of the copper tube and the PCB board is spaced apart from the right part of the copper tube, and the PCB board is electrically connected to the winding stator.

[0014] Preferably, the fan blade assembly includes a columnar portion, an iron shell and a copper seat, the columnar portion is a cylindrical structure with an open right side, a plurality of fan blade portions are evenly distributed on the outer wall of the columnar portion, the copper seat is installed on the left end portion of the rotating shaft, a groove is provided in the columnar portion, a through hole is provided on the iron shell, the columnar portion is sleeved on the iron shell, the left end portion of the copper seat passes through the through hole to the left and is clamped in the groove, the inner wall of the through hole is in contact with the middle outer wall of the copper seat, the iron shell is sleeved on the rubber magnet, the outer wall of the iron shell is in contact with the inner wall of the columnar portion, the columnar portion is located in the flow channel and the right end of the columnar portion extends to the right to the left side of the stationary blade in the second frame, and the right side surface of the columnar portion is located on the left side of the PCB board.

[0015] Preferably, the several blade portions are all conical, one side of any one of the several blade portions is fixed on the outer wall of the columnar portion, and the distance from the other side edge of any one of the several blade portions to the flow channel from left to right is equal.

[0016] Preferably, a spring is provided between the copper seat and the first bearing, a slot is provided at the right end of the rotating shaft, the slot is located on the right side of the second bearing, and a retaining spring is installed in the slot.

[0017] The present invention also discloses an assembly method of the ultra-high speed supercharged conical flow channel fan, comprising the following steps:

[0018] (1) Take the rotating shaft, the first bearing and the second bearing, and then install the first bearing and the second bearing on the left middle part and the right end part of the rotating shaft respectively;

[0019] (2) Take the copper tube, the retaining spring, the winding stator and the rubber magnet, first install the retaining spring in the retaining groove of the rotating shaft, then sleeve the copper tube on the first bearing and the second bearing in step (1) and make the left end of the rotating shaft extend to the left side of the copper tube, then sleeve the winding stator on the copper tube, and sleeve the rubber magnet on the winding stator;

[0020] (3) Take the copper seat, spring, iron shell and columnar part, first install the spring on the left side of the first bearing on the rotating shaft, then install the copper seat on the left end of the rotating shaft, then sleeve the columnar part on the iron shell and pass the left end of the copper seat to the left through the through hole and snap it into the groove of the columnar part;

[0021] (4) Take the integrally formed flow channel and the first frame and place the end with the larger diameter of the flow channel to the right, then insert the columnar part in step (3) into the flow channel from right to left and take the PCB board so that the PCB board is sleeved on the right part of the copper tube, then connect the winding stator and the PCB board so that the PCB board is electrically connected to the winding stator;

[0022] (5) Take the integrally formed fan blade and the second frame, snap the second frame into the first frame from right to left, and then extend the right end of the copper tube to the right to the middle of the stationary blade and make the right end surface of the copper tube flush with the right end surface of the stationary blade to complete the assembly.

[0023] By adopting the above technical solution, the present invention has the following beneficial effects:

[0024] (1) The stator blade and the second wide body of the present invention are integrally formed to support the copper tube and the stator winding on the copper tube and other components, and the structure is more stable;

[0025] (2) The present invention is provided with components such as a flow channel blade portion, the left end portion of the flow channel is integrally formed with the left end portion of the first frame body, the inner diameter of the flow channel increases from left to right, and the distance from the other side edge of any one of the plurality of blade portions to the flow channel from left to right is equal. With this design, the left end of the flow channel, i.e., the air inlet end, is small, and the right end of the flow channel, i.e., the air outlet end, is large. The coordinated design of the blade portion and the flow channel can reduce the gap, generate a greater static pressure effect, reduce the startup noise generated between the blade portion and the flow channel and the inner wall gap of the first frame body, and effectively reduce the noise;

[0026] (3) The first frame and the second frame of the present invention are snap-connected, which makes disassembly, assembly, repair and maintenance very convenient;

[0027] In summary, the present invention has the advantages of easy assembly and disassembly, low noise, etc. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the structure of the present invention;

[0029] Figure 2 yes Figure 1 The main view of

[0030] Figure 3 yes Figure 2 Section view along the AA direction. DETAILED DESCRIPTION

[0031] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0032] The components of the embodiments of the present invention generally described and shown in the drawings herein may be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention.

[0033] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present invention.

[0034] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention 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 cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0035] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "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 a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] like Figure 1-3 As shown, the ultra-high speed boost conical flow channel fan of the present invention comprises:

[0037] A first frame 1, wherein a flow channel 2 is provided in the first frame 1, wherein the left end of the flow channel 2 is integrally formed with the left end of the first frame 1, wherein the portion where the flow channel 2 is integrally formed with the left end of the first frame 1 of the present invention is formed by buried injection, wherein the inner diameter of the flow channel 2 increases from left to right, wherein the flow channel 2 of the present invention is formed by metal stamping, wherein the inner diameter of the flow channel 2 increases from left to right, namely, the flow channel 2 is trumpet-shaped, and furthermore, the distances from the other side edge of any one of the plurality of blade portions 15 to the flow channel 2 from left to right are all equal, wherein with this design, the left end of the flow channel 2, namely, the air inlet end, is small, and the right end of the flow channel 2, namely, the air outlet end, is large, and the coordinated design of the blade portion 15 and the flow channel 2 can reduce the gap, produce a greater static pressure effect, and reduce the startup noise generated between the blade portion 15 and the gap between the flow channel 2 and the inner wall of the first frame 1, thereby effectively reducing the noise;

[0038] A second frame body 3, wherein a stator blade 4 integrally formed with the second frame body 3 is provided in the right part of the second frame body 3, the first frame body 1 is clamped on the second frame body 3, and the second frame body 3 on the left side of the stator blade 4 and the flow channel 2 form a mounting cavity;

[0039] A rotor assembly, wherein the rotor assembly is installed in the installation cavity and is coaxially arranged with the first frame body 1, a left middle portion of the rotor assembly is located in the flow channel 2, and a right portion of the rotor assembly is located on the left side of the stationary blade 4 in the second frame body 3;

[0040] A stator assembly, wherein the stator assembly is installed in the installation cavity and the left middle portion of the stator assembly is sleeved on the middle portion of the rotor assembly, the left end portion of the rotor assembly extends to the left of the stator assembly, and the right end portion of the rotor assembly extends to the right to the middle portion of the stationary blade 4, and the right end surface of the rotor assembly is flush with the right end surface of the stationary blade 4;

[0041] A PCB board 5, wherein the PCB board 5 is installed on the left side of the stator blade 4 in the second frame 3, the PCB board 5 is sleeved on the right part of the stator assembly and the PCB board 5 is spaced from the right part of the stator assembly, and the PCB board 5 is electrically connected to the stator assembly; and

[0042] A fan blade assembly is installed in the flow channel 2 and is installed on the left end of the rotor assembly extending to the left side of the stator assembly.

[0043] The rotor assembly includes a rotating shaft 6, a first bearing 7 and a second bearing 8. The first bearing 7 is installed on the left middle part of the rotating shaft 6, and the second bearing 8 is installed on the right end part of the rotating shaft 6. The first bearing 7 is located in the flow channel 2, and the second bearing 8 is located on the left side of the stationary blade 4 in the second frame 3. The rotating shaft 6 is coaxially arranged with the first frame 1.

[0044] The stator assembly includes a copper tube 9, a winding stator 10 and a rubber magnet 11. The copper tube 9 is sleeved on the first bearing 7 and the second bearing 8. The winding stator 10 is sleeved on the copper tube 9. The rubber magnet 11 is sleeved on the winding stator 10. The left middle part of the copper tube 9, the rubber magnet 11 and the winding stator 10 are all located in the flow channel 2. The left end of the rotating shaft 6 extends to the left to the left side of the copper tube 9, and the right end of the copper tube 9 extends to the right to the middle part of the stator blade 4 and the right end face of the copper tube 9 is flush with the right end face of the stator blade 4. The PCB board 5 is sleeved on the right part of the copper tube 9 and the PCB board 5 is spaced apart from the right part of the copper tube 9. The PCB board 5 is electrically connected to the winding stator 10.

[0045] The fan blade assembly includes a columnar portion 12, an iron shell 13 and a copper seat 14. The columnar portion 12 is a cylindrical structure with an open right side. A plurality of fan blade portions 15 are evenly distributed on the outer wall of the columnar portion 12. The copper seat 14 is installed on the left end portion of the rotating shaft 6. A groove is provided in the columnar portion 12. A through hole is provided on the iron shell 13. The columnar portion 12 is sleeved on the iron shell 13. The left end portion of the copper seat 14 passes through the through hole to the left and is snapped into the groove. The inner wall of the through hole is in contact with the middle outer wall of the copper seat 14. The iron shell 13 is sleeved on the rubber magnet 11. The outer wall of the iron shell 13 is in contact with the inner wall of the columnar portion 12. The columnar portion 12 is located in the flow channel 2 and the right end of the columnar portion 12 extends to the right to the left side of the static blade 4 in the second frame 3. The right side surface of the columnar portion 12 is located on the left side of the PCB board 5.

[0046] The several fan blade portions 15 are all conical, and the several fan blade portions 15 and the columnar portion 12 are combined into a fan blade. When in use, the fan blade can rotate at ultra-high speed to supply air. One side of any one of the several fan blade portions 15 is fixed on the outer wall of the columnar portion 12, and the distance from the other side edge of any one of the several fan blade portions 15 to the flow channel 2 from left to right is equal.

[0047] A spring is provided between the copper seat 14 and the first bearing 7 , and a clamping groove is provided at the right end of the rotating shaft 6 . The clamping groove is located on the right side of the second bearing 8 , and a retaining spring is installed in the clamping groove.

[0048] The assembly method of the ultra-high speed boost conical flow channel 2 fan of the present invention is as follows:

[0049] (1) Take the rotating shaft 6, the first bearing 7 and the second bearing 8, and then install the first bearing 7 and the second bearing 8 on the left middle part and the right end part of the rotating shaft 6 respectively;

[0050] (2) Take the copper tube 9, the retaining spring, the winding stator 10 and the rubber magnet 11, first install the retaining spring in the retaining groove of the rotating shaft 6, then sleeve the copper tube 9 on the first bearing 7 and the second bearing 8 in step (1) and make the left end of the rotating shaft 6 extend to the left side of the copper tube 9, then sleeve the winding stator 10 on the copper tube 9, and sleeve the rubber magnet 11 on the winding stator 10;

[0051] (3) Take the copper seat 14, the spring, the iron shell 13 and the columnar portion 12, first install the spring on the left side of the first bearing 7 on the rotating shaft 6, then install the copper seat 14 on the left end of the rotating shaft 6, and then sleeve the columnar portion 12 on the iron shell 13 and pass the left end of the copper seat 14 to the left through the through hole and snap it into the groove of the columnar portion 12;

[0052] (4) Take the integrally formed flow channel 2 and the first frame 1 and place the end of the flow channel 2 with a larger diameter toward the right, then insert the columnar portion 12 in step (3) into the flow channel 2 from right to left and take the PCB board 5 so that the PCB board 5 is sleeved on the right part of the copper tube 9, then connect the winding stator 10 and the PCB board 5 so that the PCB board 5 is electrically connected to the winding stator 10;

[0053] (5) Take the integrally formed fan blade and second frame 3, clamp the second frame 3 into the first frame 1 from right to left, and then extend the right end of the copper tube 9 to the right to the middle of the stationary blade 4 and make the right end surface of the copper tube 9 flush with the right end surface of the stationary blade 4 to complete the assembly.

[0054] This embodiment does not impose any formal limitation on the shape, material, structure, etc. of the present invention. Any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention shall fall within the protection scope of the technical solution of the present invention.

Claims

1. Ultra-high speed boost conical flow fan, characterized by: include: A first frame body, wherein a flow channel is disposed in the first frame body, a left end portion of the flow channel is integrally formed with a left end portion of the first frame body, and an inner diameter of the flow channel increases from left to right; A second frame, wherein a stator blade integrally formed with the second frame is disposed in the right part of the second frame, the first frame is clamped on the second frame, and the second frame on the left side of the stator blade and the flow channel form a mounting cavity; A rotor assembly, wherein the rotor assembly is installed in the installation cavity and is coaxially arranged with the first frame, a left middle portion of the rotor assembly is located in the flow channel, and a right portion of the rotor assembly is located on the left side of the stationary blade in the second frame; A stator assembly, wherein the stator assembly is installed in the installation cavity and the left middle portion of the stator assembly is sleeved on the middle portion of the rotor assembly, the left end portion of the rotor assembly extends to the left of the stator assembly, the right end portion of the rotor assembly extends to the right to the middle portion of the stationary blade, and the right end surface of the rotor assembly is flush with the right end surface of the stationary blade; A PCB board, wherein the PCB board is installed on the left side of the stator blade in the second frame, the PCB board is sleeved on the right part of the stator assembly and the PCB board and the right part of the stator assembly are spaced apart, and the PCB board is electrically connected to the stator assembly; as well as A fan blade assembly, the fan blade assembly is installed in the flow channel and the fan blade assembly is installed on the left end of the rotor assembly extending to the left side of the stator assembly; The rotor assembly comprises a rotating shaft, a first bearing and a second bearing, wherein the first bearing is mounted on the left middle portion of the rotating shaft, and the second bearing is mounted on the right end portion of the rotating shaft, the first bearing is located in the flow channel, and the second bearing is located on the left side of the stationary blade in the second frame, and the rotating shaft is coaxially arranged with the first frame; The stator assembly includes a copper tube, a winding stator and a rubber magnet. The copper tube is sleeved on the first bearing and the second bearing, the winding stator is sleeved on the copper tube, and the rubber magnet is sleeved on the winding stator. The left middle part of the copper tube, the rubber magnet and the winding stator are all located in the flow channel. The left end of the rotating shaft extends to the left side of the copper tube, and the right end of the copper tube extends to the right middle part of the stator blade, and the right end face of the copper tube is flush with the right end face of the stator blade. The PCB board is sleeved on the right part of the copper tube and the PCB board is spaced apart from the right part of the copper tube. The PCB board is electrically connected to the winding stator. The fan blade assembly includes a columnar portion, an iron shell and a copper seat, the columnar portion is a cylindrical structure with an open right side, a plurality of fan blade portions are evenly distributed on the outer wall of the columnar portion, the copper seat is installed on the left end portion of the rotating shaft, a groove is provided in the columnar portion, a through hole is provided on the iron shell, the columnar portion is sleeved on the iron shell, the left end portion of the copper seat passes through the through hole to the left and is clamped in the groove, the inner wall of the through hole is in contact with the outer wall of the middle portion of the copper seat, the iron shell is sleeved on the rubber magnet, the outer wall of the iron shell is in contact with the inner wall of the columnar portion, the columnar portion is located in the flow channel, and the right end of the columnar portion extends to the right to the left side of the static blade in the second frame, and the right side surface of the columnar portion is located on the left side of the PCB board; The several blade parts are all conical, one side of any one of the several blade parts is fixed on the outer wall of the columnar part, and the distance from the other side edge of any one of the several blade parts to the flow channel from left to right is equal.

2. The ultra-high speed boost conical flow channel fan according to claim 1, characterized in that: A spring is arranged between the copper seat and the first bearing, a clamping groove is arranged at the right end of the rotating shaft, the clamping groove is located on the right side of the second bearing, and a retaining spring is installed in the clamping groove.

3. The method for assembling the ultra-high speed supercharged conical flow channel fan according to claim 2, characterized in that: The following steps are involved: (1) Take the rotating shaft, the first bearing and the second bearing, and then install the first bearing and the second bearing on the left middle part and the right end part of the rotating shaft respectively; (2) Take the copper tube, the retaining spring, the winding stator and the rubber magnet, first install the retaining spring in the slot of the rotating shaft, then sleeve the copper tube on the first bearing and the second bearing in step (1) and make the left end of the rotating shaft extend to the left side of the copper tube, then sleeve the winding stator on the copper tube, and sleeve the rubber magnet on the winding stator; (3) Take the copper seat, spring, iron shell and columnar part, first install the spring on the left side of the first bearing on the rotating shaft, then install the copper seat on the left end of the rotating shaft, then sleeve the columnar part on the iron shell and pass the left end of the copper seat to the left through the through hole and snap it into the groove of the columnar part; (4) Take the integrally formed flow channel and the first frame and place the end with the larger diameter of the flow channel to the right, then insert the columnar part in step (3) into the flow channel from right to left and take the PCB board so that the PCB board is sleeved on the right part of the copper tube, then connect the winding stator and the PCB board so that the PCB board is electrically connected to the winding stator; (5) Take the integrally formed fan blade and the second frame, snap the second frame into the first frame from right to left, and then extend the right end of the copper tube to the right to the middle of the stationary blade and make the right end surface of the copper tube flush with the right end surface of the stationary blade to complete the assembly.

Images