CN114785047A

CN114785047A - Heat dissipation motor

Info

Publication number: CN114785047A
Application number: CN202210475858.8A
Authority: CN
Inventors: 许雷; 向江山; 黄术生
Original assignee: Shenzhen Water World Co Ltd
Current assignee: Shenzhen Water World Co Ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-07-22

Abstract

The application discloses a heat dissipation motor includes: the device comprises a first base, a base main body, a second base, an impeller, a rotating assembly and a static guide vane; the rotating assembly can drive the impeller to rotate to generate rotating airflow and the rotating airflow flows to the static guide vanes, the static guide vanes capture the rotating airflow thrown out from the impeller through the coanda effect, and the rotating airflow flows along the surfaces of the static guide vanes and is guided into axial airflow through the specific design of the static guide vanes, so that airflow flowing resistance and eddy noise are reduced, and the problem that the heat dissipation effect is not ideal easily caused due to the fact that the coil assembly generates large flowing interference on wind in the heat dissipation mode that wind is guided to the coil assembly in the prior art is solved.

Description

Heat dissipation motor

Technical Field

The application relates to the field of motor heat dissipation design, in particular to a heat dissipation motor.

Background

The motor is an industrially controlled heart and is a power base of automation industry, the motor is widely applied to various fields, when the motor works, the motor usually needs to continuously work for days or even months, heat is generated in the motor, in order to maintain the normal work of the motor, the heat is required to be dissipated for the motor, and abnormal work caused by overhigh temperature in the motor is avoided;

the existing way of dissipating heat for the motor is generally: wind is introduced from the air inlet and is blown through the internal coil assembly and then is discharged from the air outlet beside the lower part, and although the mode can take away heat generated inside the motor to a certain extent, the heat dissipation effect is not ideal.

Disclosure of Invention

The application provides a pair of heat dissipation motor aims at solving prior art, adopts and introduces wind from the air intake, blows behind the coil pack of inside, and the mode radiating effect from the air outlet exhaust of lower part side is not very ideal problem.

The application provides a heat dissipation motor, include: the device comprises a first base, a base main body, a second base, an impeller, a rotating assembly and a static guide vane;

the first end of the base main body is connected with the first base, the second end of the base main body is connected with the second base, the static guide vane is arranged on the base main body, the rotating component is arranged in the base main body, the first base is provided with an air inlet, the impeller is arranged at the air inlet of the first base and is connected with the rotating component, and under the driving of the rotating component, the impeller can rotate relative to the base main body, the first base and the second base,

when the motor works, the rotating assembly drives the impeller to rotate in the base main body to form rotating airflow which flows towards the static guide vanes, and the rotating airflow is converted into axial airflow and flows towards the base main body under the action of the static guide vanes, so that heat generated by the rotating assembly is taken away.

Preferably, the base main part includes first wall, second wall, cross-face, first wall with the second wall is connected through the first gusset of a plurality of, quiet stator sets up between first wall, second wall, and respectively with first wall, second wall contact, the second wall the cross-face reaches the second base surrounds and forms an airtight cavity, runner assembly's first end with the second pedestal connection, runner assembly's second end passes behind the cross-face with the impeller is connected, runner assembly can rotate in the airtight cavity, first base with impeller contact department is provided with sealed the pad, sealed pad is ethylene-vinyl acetate copolymer.

Preferably, the impeller includes first installation face, second installation face, mount pad and a plurality of flabellum, first installation face with first base is connected, the department outwards bulges and forms the vent in the middle of the first installation face, a plurality of flabellum evenly arranges on the second installation face, and with first installation face is connected, the mount pad sets up first installation face center department, and with rotating assembly's second end is connected.

Preferably, the second wall surface is provided with a plurality of second rib plates, and the second rib plates are arranged on the second wall surface at equal intervals.

Preferably, one end of the second wall surface close to the second pedestal is provided with an inclined plane, and a distance between the inclined plane and the first wall surface is gradually increased along the direction of the airflow.

Preferably, the runner assembly includes rotor, stator, pivot, first bearing and second bearing, first bearing sets up on the transverse plane, the second bearing sets up on the second base, the first end of pivot with the second bearing is connected, the second end of pivot still passes the transverse plane with the impeller is connected, the stator sets up the inboard of second wall, the rotor sets up the pivot middle part.

Preferably, the static stator includes ring cylinder and a plurality of water conservancy diversion piece, the ring cylinder cover is established on the second wall, the water conservancy diversion piece is equidistant and according to setting for the angle setting and be in ring cylinder surface, the water conservancy diversion piece still with first wall contact, wherein, adjacent form airflow channel between the water conservancy diversion piece.

Preferably, the plurality of flow deflectors and the plurality of first rib plates are arranged in a one-to-one correspondence manner, and one ends of the flow deflectors, which are close to the corresponding first rib plates, are in the same straight line with the first rib plates.

Preferably, the guide vane is arc-shaped, and the guide vane is obliquely arranged along the incoming direction of the airflow according to a set angle.

Preferably, be provided with joint spare on the ring cylinder, be provided with the joint groove on the second wall, work as the ring cylinder cover is established when on the second wall, joint spare with joint groove joint.

The application discloses heat dissipation motor includes: the device comprises a first base, a base main body, a second base, an impeller, a rotating assembly and a static guide vane; the rotating assembly can drive the impeller to rotate to generate rotating airflow and flow to the static guide vanes, the static guide vanes capture the rotating airflow thrown out from the impeller through the coanda effect, and the rotating airflow flows along the surfaces of the static guide vanes and is guided to be axial airflow through the specific design of the static guide vanes, so that airflow flowing resistance and eddy noise are reduced, and the problem that the coil assembly generates large flowing interference to wind and easily generates large noise due to the fact that the coil assembly generates large flowing interference to the wind in the heat dissipation mode that wind is guided to the coil assembly in the prior art is solved.

Drawings

FIG. 1 is a first cross-sectional view of a heat dissipation motor according to an embodiment;

FIG. 2 is a cross-sectional view of an embodiment of a heat dissipation motor;

FIG. 3 is a bottom view of an embodiment of a heat dissipating motor;

FIG. 4 is a schematic structural diagram of an impeller of the heat dissipation motor according to an embodiment;

FIG. 5 is a schematic structural view of a stationary vane of the heat dissipation motor according to an embodiment;

wherein, 1, a first base; 11. a gasket; 2. a base body; 21. a first wall surface; 22. a second wall surface; 23. a transverse plane; 24. a first rib plate; 25. a second rib plate; 3. a second base; 4. an impeller; 41. first mounting surface, 42, second mounting surface, 43, mount pad; 44. a fan blade; 5. a rotating assembly; 51. a rotor; 52. a stator; 53. a rotating shaft; 54. a first bearing; 55. a second bearing; 6. static guide vanes; 61. a circular cylinder; 62. a flow deflector; 63. a clamping piece.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the present application provides a heat dissipation motor, including: the device comprises a first base 1, a base main body 2, a second base 3, an impeller 4, a rotating assembly 5 and a static guide vane 6;

the first end of the base main body 2 is connected with the first base 1, the second end of the base main body 2 is connected with the second base 3, the base main body 2 is an aluminum body, the aluminum base main body 2 can conduct heat better and can conduct heat generated by a rotating assembly 5, the static guide vane 6 is arranged on the base main body 2, the rotating assembly 5 is arranged in the base main body 2, an air inlet is arranged on the first base 1, the impeller 4 is arranged at the air inlet of the first base 1 and is connected with the rotating assembly 5, and under the driving of the rotating assembly 5, the impeller 4 can rotate relative to the base main body 2, the first base 1 and the second base 3,

when the motor works, the rotating assembly 5 drives the impeller 4 to rotate in the base main body 2 to form a rotating airflow which flows to the static guide vanes 6, and under the action of the static guide vanes 6, the rotating airflow is converted into an axial airflow and flows to the base main body 2, so that heat generated by the rotating assembly 5 is taken away.

As described above, the heat radiation motor claimed in the present application includes: the sealing structure comprises a first base 1, a base main body 2, a second base 3, an impeller 4, a rotating assembly 5 and a static guide vane 6, wherein the first base 1 is in a hollow convex shape, an air inlet is formed in the middle of the first base 1, the impeller 4 is also in a roughly convex shape, when the sealing structure is installed, the convex part of the impeller 4 extends into the convex part of the first base 1, a sealing gasket 11 is arranged at the contact part of the impeller 4 and the convex part of the first base 1, the sealing gasket 11 comprises ethylene-vinyl acetate copolymer (EVA), the impeller 4 is made of aluminum alloy, certain rigidity of the impeller can be kept, the impeller is relatively light, the load of a motor cannot be increased, and under the condition that the rotating speed of the motor rotating assembly 5 is high, the upper end of the impeller 4 can cut part of the EVA like a knife, so that the EVA is sharp, the effect of complete fitting is achieved, and a better sealing effect is achieved;

the first base 1, the base main body 2 and the second base 3 are assembled to form a housing of the motor, wherein the base main body 2 comprises a first wall surface 21, a second wall surface 22 and a cross surface 23, the second wall surface 22, the cross surface 23 and the second base 3 are connected to form a closed cavity, the main body of the rotating assembly 5 is arranged in the closed cavity, one end of a rotating shaft 53 of the rotating assembly 5 is connected with the second base 3, the other end of the rotating shaft passes through the cross surface 23 and then is connected with the impeller 4, the rotating assembly 5 can drive the impeller 4 to rotate to form a rotating airflow and flow towards the static guide vane 6 when rotating, the static guide vane 6 is tightly clamped between the first wall surface 21 and the second wall surface 22 and cannot rotate under the influence of the airflow generated by the impeller 4, the static guide vane 6 is uniformly provided with a plurality of guide vanes 62, the rotating airflow generated by the impeller 4 can be converted into axial airflow and guided to flow through the second wall surface 22 along the guide vanes 62, the air flow is prevented from entering the coil assembly part in the prior art, the air flow interference caused by the complex arrangement of the coil assembly is reduced, and the heat generated by the rotation of the rotating assembly 5 is taken away. Noise can also be reduced.

Referring to fig. 2 and 3, in one embodiment, the base body 2 comprises a first wall 21, a second wall 22, a transverse face 23, the first wall surface 21 and the second wall surface 22 are connected through a plurality of first rib plates 24, the static guide vane 6 is arranged between the first wall surface 21 and the second wall surface 22, and are respectively contacted with the first wall surface 21 and the second wall surface 22, the transverse surface 23 and the second base 3 surround to form a closed cavity, the first end of the rotating component 5 is connected with the second base 3, the second end of the rotating component 5 passes through the transverse surface 23 and then is connected with the impeller 4, the rotating assembly 5 can rotate in the closed cavity, a sealing gasket 11 is arranged at the contact position of the first base 1 and the impeller 4, and the sealing gasket 11 is made of ethylene-vinyl acetate copolymer.

As mentioned above, the second wall surface 22, the cross surface 23 and the second base 3 form a closed cavity, the air flow cannot flow into the closed cavity through the second wall surface 22 and the cross surface 23, the main body of the rotating assembly 5 is disposed in the closed cavity, the first rib plate 24 is disposed at the end close to the second base 3, the static guide vane 6 is sleeved at the end close to the impeller 4 of the second wall surface 22, further, in order to ensure the sealing performance of the contact between the first base 1 and the impeller 4, a ring of sealing gasket 11 is disposed between the contact between the two, the sealing gasket 11 can prevent the air flow from flowing from the air inlet to the static guide vane 6 to a certain extent, and then the air flow flows out from the air inlet after reversely passing through the gap between the two, the sealing gasket 11 is preferably wear-resistant and folding ethylene-vinyl acetate copolymer, which can reduce wear, the first rib plates 24 are provided in plurality, and uniformly distributed around the outer surface of the second wall surface 22, and the static guide vanes 6 are tightly clamped between the first wall surface 21 and the second wall surface 22 and cannot be deviated or rotated under the influence of the airflow.

Referring to fig. 4, in one embodiment, the impeller 4 includes a first mounting surface 41, a second mounting surface 42, a mounting seat 43 and a plurality of blades 44, the first mounting surface 41 is connected to the first base 1, a middle portion of the first mounting surface 41 protrudes outward to form a ventilation opening, the plurality of blades 44 are uniformly arranged on the second mounting surface 42 and connected to the first mounting surface 41, and the mounting seat 43 is disposed at a center of the first mounting surface 41 and connected to a second end of the rotating assembly 5.

As described above, the impeller 4 has a substantially convex shape, and includes the first mounting surface 41, the second mounting surface 42, the mounting seat 43 and the plurality of blades 44, the middle of the first mounting surface 41 protrudes outward to form a ventilation opening, the protruding portion of the middle of the first mounting surface 41 contacts with the protruding portion of the first base 1, further, a gasket 11 is disposed between the two to improve a good sealing effect, so that the incoming airflow can only flow into the stationary vane 6 from between adjacent blades 44, the plurality of blades 44 are disposed, and are uniformly arranged on the second mounting surface 42 around the ventilation opening and contact with the first mounting surface 41.

In one embodiment, the second wall surface 22 is provided with a plurality of second rib plates 25, and the second rib plates 25 are arranged on the second wall surface 22 at equal intervals.

As described above, the end of the second wall surface 22 close to the second base 3 is provided with the plurality of second rib plates 25, the second rib plates 25 are uniformly arranged around the second wall surface 22, the second rib plates 25 are arranged between two adjacent first rib plates 24, further, the number of the second rib plates 25 is several times that of the first rib plates 24, because the second wall surface 22 is made of aluminum, the number of the second rib plates 25 is increased, heat can be conducted out, the contact area between the second rib plates 25 and the axial airflow is increased, the heat dissipation efficiency is improved, it needs to be noted that the number of the second rib plates 25 is not too large, and the increase of the flow resistance of the airflow is avoided.

In one embodiment, an end of the second wall 22 close to the second base 3 is provided with an inclined slope, and a distance between the inclined slope and the first wall 21 is gradually increased along the airflow direction.

As mentioned above, one end of the second wall surface 22 close to the second base 3 is set to be an inclined plane, and the inclined flow guide structure can accelerate the air flow to be guided to the second rib plate 25, thereby improving the heat conduction efficiency.

Referring to fig. 2, in one embodiment, the rotating assembly 5 includes a rotor 51, a stator 52, a rotating shaft 53, a first bearing 54 and a second bearing 55, the first bearing 54 is disposed on the transverse surface 23, the second bearing 55 is disposed on the second base 3, a first end of the rotating shaft 53 is connected to the second bearing 55, a second end of the rotating shaft 53 further passes through the transverse surface 23 to be connected to the impeller 4, the stator 52 is disposed inside the second wall surface 22, and the rotor 51 is disposed in the middle of the rotating shaft 53.

As described above, the transverse surface 23 is provided with the mounting groove, the first bearing 54 is disposed in the mounting groove, the second bearing 55 is disposed on the second base 3, the bearing can reduce the resistance when the rotating shaft 53 rotates, the first end of the rotating shaft 53 is connected to the second bearing 55, the second end of the rotating shaft 53 is connected to the second bearing 55 and extends to a position close to the impeller 4, the mounting seat 43 of the impeller 4 is sleeved on the second end extending portion, the stator 52 is disposed on the inner side of the second wall surface 22, the rotor 51 is disposed in the middle of the rotating shaft 53 corresponding to the stator 52, and when the power is supplied, the rotating shaft 53 can rotate under the mutual rotation of the stator 52 and the rotor 51.

Referring to fig. 5, in one embodiment, the stationary guide vane 6 includes a circular cylinder 61 and a plurality of guide vanes 62, the circular cylinder 61 is sleeved on the second wall surface 22, the guide vanes 62 are equally spaced and arranged on the surface of the circular cylinder 61 according to a set angle, the guide vanes 62 are further in contact with the first wall surface 21, and an airflow channel is formed between adjacent guide vanes 62.

As mentioned above, the plurality of flow deflectors 62 are uniformly arranged around the second wall surface 22, wherein the flow deflectors 62 and the circular cylinder 61 have a certain angle deviation in the vertical direction, the angle deviation can make the flow deflectors 62 better meet and split the airflow flowing out from the impeller 4, preferably, the angle deviation ranges from 30 ° to 60 °, the total thickness of the circular cylinder 61 and the flow deflectors 62 should be the same as the distance from the second wall surface 22 to the first wall surface 21, so that the static guide vanes 6 can be tightly clamped between the first wall surface 21 and the second wall surface 22 without rotating under the influence of the airflow.

In one embodiment, the plurality of flow deflectors 62 are arranged in one-to-one correspondence with the plurality of first rib plates 24, and one end of each flow deflector 62, which is close to the corresponding first rib plate 24, is in the same straight line with the first rib plate 24.

In one embodiment, the guide vane 62 has a circular arc shape, and the guide vane 62 is inclined at a predetermined angle along the incoming direction of the air flow.

As mentioned above, one end of the flow deflector 62 close to the corresponding first rib plate 24 is in the same straight line with the first rib plate 24, that is, each flow deflector 62 is butted with one first rib plate 24, further, the flow deflector 62 is set to be arc-shaped, the flow deflector 62 is obliquely arranged along the incoming direction of the air flow, preferably, the inclination angle range of the flow deflector 62 and the circular cylinder 61 in the vertical direction is between 30 ° and 60 °, one end of the flow deflector 62 close to the corresponding first rib plate 24 is in the same straight line with the first rib plate 24, so that the air flow flowing out from the flow deflector 62 and the first rib plate 24 can flow without impact to form a uniform axial air flow, the butting of the flow deflector 62 and the first rib plate 24 is equivalent to lengthening the rectifying interval when the air flow flows along the second wall surface 22, so that the guided air flow can flow uniformly and axially flow out, and at the same time, the air flow directly flows over the surface of the first rib plate 24 after the flow deflector 62 and the first rib plate 24 are butted, the heat of the first rib plate 24 can be taken away, and the heat dissipation effect of the first rib plate 24 can be improved.

In one embodiment, the circular cylinder 61 is provided with a locking member 63, the second wall surface 22 is provided with a locking groove, and when the circular cylinder 61 is sleeved on the second wall surface 22, the locking member 63 is locked with the locking groove.

As described above, the annular cylinder 61 is provided with the plurality of the clamping members 63, the plurality of the clamping members 63 can be provided, the corresponding clamping grooves are also provided in the annular cylinder 61, and the clamping members 63 can form clamping structures with the clamping grooves, so that the static guide vanes 6 are prevented from being influenced by air flow and being deviated.

To sum up, the heat dissipation motor of this application includes: the device comprises a first base, a base main body, a second base, an impeller, a rotating assembly and a static guide vane; the rotating assembly can drive the impeller to rotate to generate rotating airflow and flow to the static guide vanes, the static guide vanes capture the rotating airflow thrown out from the impeller through the coanda effect, and the rotating airflow flows along the surfaces of the static guide vanes and is guided into axial airflow through the specific design of the static guide vanes, so that the airflow flowing resistance and eddy noise are reduced, and the problem that the coil assembly generates large flowing interference on wind and easily generates large noise when the heat dissipation mode of the prior art guides the wind to the coil assembly is solved.

It should be noted that all directional indicators (such as up, down, left, right, front, and back) in the embodiments of the present invention are only used for explaining the relative position relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly, and the connection may be a direct connection or an indirect connection.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A heat-dissipating motor, comprising: the device comprises a first base, a base main body, a second base, an impeller, a rotating assembly and a static guide vane;

2. The heat dissipation motor according to claim 1, wherein the base main body includes a first wall surface, a second wall surface, and a cross surface, the first wall surface is connected to the second wall surface through a plurality of first rib plates, the stationary vane is disposed between the first wall surface and the second wall surface and is in contact with the first wall surface and the second wall surface, the cross surface, and the second base surround to form a sealed cavity, the first end of the rotating assembly is connected to the second base, the second end of the rotating assembly passes through the cross surface and then is connected to the impeller, the rotating assembly is rotatable in the sealed cavity, a sealing pad is disposed at a contact position of the first base and the impeller, and the sealing pad is an ethylene-vinyl acetate copolymer.

3. The heat dissipation motor of claim 1, wherein the impeller includes a first mounting surface, a second mounting surface, a mounting seat and a plurality of blades, the first mounting surface is connected to the first base, a middle portion of the first mounting surface protrudes outward to form a ventilation opening, the plurality of blades are uniformly arranged on the second mounting surface and connected to the first mounting surface, and the mounting seat is disposed at a center of the first mounting surface and connected to the second end of the rotating assembly.

4. The heat-dissipating motor according to claim 2, wherein the second wall surface is provided with a plurality of second ribs, and the second ribs are arranged on the second wall surface at equal intervals.

5. The heat-dissipating motor according to claim 2, wherein an end of the second wall surface adjacent to the second base is provided as an inclined surface, and a distance between the inclined surface and the first wall surface is gradually increased along the direction of the airflow.

6. The heat-dissipating motor according to claim 2, wherein the rotating assembly includes a rotor, a stator, a rotating shaft, a first bearing and a second bearing, the first bearing is disposed on the transverse surface, the second bearing is disposed on the second base, a first end of the rotating shaft is connected to the second bearing, a second end of the rotating shaft is connected to the second bearing, the second end of the rotating shaft further passes through the transverse surface to be connected to the impeller, the stator is disposed inside the second wall surface, and the rotor is disposed in a middle portion of the rotating shaft.

7. The heat-dissipating motor of claim 2, wherein the stationary guide vanes comprise a circular cylinder and a plurality of guide vanes, the circular cylinder is sleeved on the second wall surface, the guide vanes are disposed on the surface of the circular cylinder at equal intervals and according to a set angle, the guide vanes are further in contact with the first wall surface, and an air flow channel is formed between adjacent guide vanes.

8. The heat-dissipating motor according to claim 7, wherein the plurality of flow deflectors and the plurality of first rib plates are arranged in one-to-one correspondence, and one end of each flow deflector, which is close to the corresponding first rib plate, is in the same straight line as the first rib plate.

9. The heat-dissipating motor according to claim 7, wherein the guide vanes are arc-shaped, and are inclined at a predetermined angle along an incoming direction of the air flow.

10. The heat-dissipating motor of claim 7, wherein the annular cylinder is provided with a locking member, the second wall is provided with a locking groove, and the locking member is locked with the locking groove when the annular cylinder is sleeved on the second wall.