CN220915064U

CN220915064U - Heat radiation structure for magnetic suspension fan

Info

Publication number: CN220915064U
Application number: CN202322853476.7U
Authority: CN
Inventors: 吴炎光; 杨戬; 黄绍鸿; 吴庆晓
Original assignee: Leitz Intelligent Equipment Guangdong Co ltd
Current assignee: Leitz Intelligent Equipment Guangdong Co ltd
Priority date: 2023-10-23
Filing date: 2023-10-23
Publication date: 2024-05-07
Anticipated expiration: 2033-10-23

Abstract

The utility model relates to a heat radiation structure for a magnetic suspension fan, which comprises a shell, a stator, a rotor and a heat radiation assembly, wherein the shell is provided with a heat radiation cavity, a first air hole and a second air hole, the heat radiation cavity extends along the length direction of the shell, and the first air hole and the second air hole are respectively communicated with two ends of the heat radiation cavity; the stator is arranged in the shell, the rotor penetrates through the shell and the stator, an air channel is formed between the rotor and the stator, and the first air hole and the second air hole are respectively communicated with the air channel; the heat dissipation assembly comprises a fan which is arranged at one end of the rotor. The heat radiation structure for the magnetic suspension fan enables external airflow to flow through the first air hole, the second air hole and the air duct through rotation of the fan, so that heat generated by the stator and the rotor is taken away; meanwhile, the air flow flows through the heat dissipation cavity to quickly discharge the heat of the shell, so that the heat dissipation efficiency is improved; the heat dissipation structure for the magnetic suspension fan is good in heat dissipation effect and compact in structure.

Description

Heat radiation structure for magnetic suspension fan

Technical Field

The utility model relates to the technical field of magnetic suspension fans, in particular to a heat dissipation structure for a magnetic suspension fan.

Background

With the development of the blowing technology, a magnetic suspension fan appears, the magnetic suspension fan drives a rotor to drive an impeller to rotate by electrifying a stator of the fan to generate wind force, and the fan is damaged due to overheating caused by heating when the stator is electrified, and the magnetic suspension fan generally dissipates heat through water cooling or the fan.

If chinese patent CN217282576U discloses a cooling structure of magnetic suspension fan, including the casing, the rotor of holding in the casing, the stator of holding in the casing and connect the heat dissipation fan in the casing, the casing is equipped with the inside income wind hole and the air outlet of intercommunication casing, the rotor rotates with the casing to be connected, have the first clearance of intercommunication income wind hole between the inner wall of stator and casing, the stator encircles the rotor setting, and have the second clearance of intercommunication first clearance and air outlet between stator and the rotor, the heat dissipation fan is used for forcing external air current to flow through income wind hole in proper order, first clearance, second clearance and air outlet, but can not discharge the heat of casing fast, influence radiating efficiency.

Disclosure of utility model

Based on this, it is necessary to provide a heat dissipation structure for a magnetic levitation fan that dissipates heat rapidly.

The heat dissipation structure for the magnetic suspension fan comprises a shell, a stator, a rotor and a heat dissipation assembly, wherein the shell is provided with a heat dissipation cavity, a first air hole and a second air hole, the heat dissipation cavity extends along the length direction of the shell, and the first air hole and the second air hole are respectively communicated with two ends of the heat dissipation cavity; the stator is arranged in the shell, the rotor penetrates through the shell and the stator, an air channel is formed between the rotor and the stator, and the first air hole and the second air hole are respectively communicated with the air channel; the heat dissipation assembly comprises a fan, and the fan is installed at one end of the rotor.

In one embodiment, the casing includes an outer shell, an inner shell, a first end plate and a second end plate, the outer shell and the inner shell are arranged at intervals to form the heat dissipation cavity, the first air holes penetrate through the outer shell and the inner shell, the second air holes penetrate through the outer shell and the inner shell, and the stator is installed in the inner shell; the first end plate and the second end plate are respectively covered at two ends of the outer shell, and the first end plate and the second end plate are respectively covered at two ends of the inner shell.

In one embodiment, the casing further comprises a plurality of partition boards, one end of each partition board is connected with the inner casing, and the other end of each partition board is connected with the outer casing; the partition plates extend along the length direction of the inner shell, and each partition plate is arranged along the circumferential direction of the inner shell; the inner shell, the outer shell and the adjacent partition plates form the heat dissipation cavity.

In one embodiment, the first end plate comprises a first cover plate part and a first connecting part connected with the first cover plate part, one end of the first cover plate part is abutted against one end of the shell, and the first connecting part is abutted against the inner side of the inner shell; the first connecting portion is provided with a first through hole, one end of the first through hole is communicated with the second air hole, and the other end of the first through hole is communicated with the air duct.

In one embodiment, the second end plate comprises a second cover plate part and a second connecting part connected with the second cover plate part, one end of the second cover plate part is abutted against one end of the shell, and the second connecting part is abutted against the inner side of the inner shell; the second end plate is provided with a second through hole, and the second through hole penetrates through the second connecting portion and the second cover plate portion.

In one embodiment, the heat dissipation assembly further comprises a heat dissipation member, the heat dissipation member is sleeved on the stator, one end of the heat dissipation member abuts against the stator, and the other end of the heat dissipation member abuts against the inner shell.

In one embodiment, the heat dissipation member includes a base portion, a plurality of fin portions, and a baffle portion, wherein the base portion abuts against an outer side of the stator, the fin portions are uniformly distributed along a circumferential direction of the base portion, and one end of each fin portion abuts against the inner shell; a heat dissipation groove is formed between two adjacent fin parts, and the heat dissipation groove is communicated with the first air hole; one side of the baffle plate part is abutted against one end of the fin part, one end of the baffle plate part is abutted against the base part, and the other end is abutted against the inner shell.

In one embodiment, the first air holes and the second air holes are multiple, and each of the first air holes and the second air holes is arranged along the circumferential direction of the casing.

In one embodiment, the aperture of the first wind hole is larger than the aperture of the second wind hole.

In one embodiment, two ends of the stator are arranged in a horn shape.

Compared with the prior art, the utility model has the following beneficial effects:

According to the heat radiation structure for the magnetic suspension fan, through rotation of the fan, external air flows through the first air holes, the second air holes and the air duct, so that heat generated by the stator and the rotor is taken away; meanwhile, the air flow flows through the heat dissipation cavity to quickly discharge the heat of the shell, so that the heat dissipation efficiency is improved; the heat dissipation structure for the magnetic suspension fan is good in heat dissipation effect and compact in structure.

Drawings

FIG. 1 is a schematic diagram of an assembled structure of a heat dissipating structure for a magnetic levitation blower according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the outer shell, inner shell and partition plate of FIG. 1;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1;

fig. 4 is a schematic structural diagram of the stator and the heat sink in fig. 1.

The meaning of the reference numerals in the drawings are:

100. a heat dissipation structure for a magnetic levitation blower;

10. A housing; 101. a heat dissipation cavity; 102. a first wind hole; 103. a second air hole; 11. a housing; 12. an inner case; 13. a first end plate; 131. a first cover plate portion; 132. a first connection portion; 133. a first through hole; 14. a second end plate; 141. a second cover plate portion; 142. a second connecting portion; 143. a second through hole; 15. a partition plate; 20. a stator; 30. a rotor; 301. an air duct; 40. a heat dissipation assembly; 41. a fan; 42. a heat sink; 421. a base portion; 422. a fin section; 423. a baffle plate part.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Referring to fig. 1 to 4, a heat dissipation structure 100 for a magnetic levitation fan according to an embodiment of the utility model includes a housing 10, a stator 20, a rotor 30 and a heat dissipation assembly 40, wherein the housing 10 is provided with a heat dissipation cavity 101, a first air hole 102 and a second air hole 103, the heat dissipation cavity 101 extends along a length direction of the housing 10, and the first air hole 102 and the second air hole 103 are respectively communicated with two ends of the heat dissipation cavity 101; an air duct 301 is formed between the rotor 30 and the stator 20, and the heat dissipation assembly 40 includes a fan 41; the heat radiation structure 100 for the magnetic levitation fan enables external air flow to flow through the first air hole 102, the second air hole 103 and the air duct 301 through the rotation of the fan 41, so that heat generated by the stator 20 and the rotor 30 is taken away; meanwhile, the air flows through the heat dissipation cavity 101 to rapidly discharge the heat of the casing 10, thereby improving the heat dissipation efficiency.

As shown in fig. 1 to 3, in the present embodiment, the casing 10 is provided with a heat dissipation cavity 101, a first air hole 102 and a second air hole 103, the heat dissipation cavity 101 extends along the length direction of the casing 10, and the first air hole 102 and the second air hole 103 are respectively communicated with two ends of the heat dissipation cavity 101. The casing 10 comprises an outer casing 11, an inner casing 12, a first end plate 13 and a second end plate 14, wherein the outer casing 11 and the inner casing 12 are arranged at intervals to form a heat dissipation cavity 101, and optionally, the peripheral edge of the outer side of the outer casing 11 is arranged in a wave shape to ensure firm structure; the first air holes 102 penetrate through the outer shell 11 and the inner shell 12, and the second air holes 103 penetrate through the outer shell 11 and the inner shell 12, optionally, the first air holes 102 and the second air holes 103 are multiple, and each of the first air holes 102 and the second air holes 103 is arranged along the circumferential direction of the casing 10; further, the aperture of the first wind hole 102 is larger than the aperture of the second wind hole 103.

In an embodiment, the first end plate 13 and the second end plate 14 are respectively covered at two ends of the outer shell 11, and the first end plate 13 and the second end plate 14 are respectively covered at two ends of the inner shell 12 to close two ends of the heat dissipation cavity 101. Alternatively, the first end plate 13 includes a first cover plate portion 131 and a first connection portion 132 connected to the first cover plate portion 131, wherein one end of the first cover plate portion 131 abuts against one end of the casing 10, and the first connection portion 132 abuts against the inner side of the inner casing 12; the first connecting portion 132 is provided with a first through hole 133, and one end of the first through hole 133 is communicated with the second air hole 103; further, the second end plate 14 includes a second cover plate portion 141 and a second connection portion 142 connected to the second cover plate portion 141, one end of the second cover plate portion 141 abuts against one end of the casing 10, and the second connection portion 142 abuts against the inner side of the inner casing 12; the second end plate 14 is provided with a second through hole 143, and the second through hole 143 penetrates the second connecting portion 142 and the second cover plate portion 141. The shell 10 further comprises a plurality of partition boards 15, one end of each partition board 15 is connected with the inner shell 12, and the other end of each partition board is connected with the outer shell 11; the partition plates 15 extend in the length direction of the inner casing 12, and each partition plate 15 is disposed in the circumferential direction of the inner casing 12; the inner shell 12, outer shell 11 and adjacent partition 15 form a heat dissipation chamber 101. In one embodiment, one end of the partition 15 is fixed to the first cover plate portion 131 and the other end of the partition 15 is fixed to the second cover plate portion 141 by fasteners.

As shown in fig. 3 and 4, the stator 20 is installed in the casing 10, alternatively, the stator 20 is installed in the inner casing 12; further, both ends of the stator 20 are provided in a horn shape.

As shown in fig. 3, the rotor 30 sequentially penetrates the first end plate 13, the stator 20, and the second end plate 14, an air duct 301 is formed between the rotor 30 and the stator 20, and the first air hole 102, the second air hole 103, the first through hole 133, and the second through hole 143 are respectively communicated with the air duct 301.

As shown in fig. 1, 3 and 4, the heat dissipation assembly 40 includes a fan 41, and the fan 41 is mounted at one end of the rotor 30, alternatively, the fan 41 is mounted at one end of the rotor 30 near the second end plate 14. The heat dissipation assembly 40 further includes a heat dissipation member 42, wherein the heat dissipation member 42 is sleeved on the stator 20, and one end of the heat dissipation member 42 abuts against the stator 20, and the other end abuts against the inner casing 12, so as to transfer heat of the stator 20 to the casing 10. Alternatively, the heat dissipation member 42 includes a base portion 421, a plurality of fin portions 422, and a baffle portion 423, the base portion 421 abuts against the outer side of the stator 20, the fin portions 422 are distributed uniformly along the circumferential direction of the base portion 421, and one end of the fin portion 422 abuts against the inner case 12; a heat dissipation groove (not shown) is formed between two adjacent fin parts 422 and communicated with the first air holes 102 so as to take away heat of the fin parts 422; one side of the baffle portion 423 abuts against one end of the fin portion 422, one end of the baffle portion 423 abuts against the base portion 421, and the other end abuts against the inner case 12, so that one end of the heat dissipation groove is closed, and air flows through the first air hole 102, the heat dissipation groove, the air duct 301, and the second through hole 143 in this order, thereby taking away heat generated by the stator 20 and the rotor 30.

In use, the heat sink 42 transfers heat from the stator 20 to the housing 10; along with the rotation of the fan 41, part of the external air flow is discharged through the first air hole 102, the heat dissipation groove, the air duct 301 and the second through hole 143, and at the same time, part of the external air flow is discharged through the second air hole 103, the first through hole 133, the air duct 301 and the second through hole 143, so that the heat generated by the stator 20 and the rotor 30 is rapidly discharged; part of the external airflow flows through the first air hole 102, the heat dissipation cavity 101, the second air hole 103, the first through hole 133, the air duct 301 and the second through hole 143, so that heat dissipation of the casing 10 is accelerated.

According to the heat radiation structure 100 for the magnetic suspension fan, external air flows through the first air holes 102, the second air holes 103 and the air duct 301 through the rotation of the fan 41, so that heat generated by the stator 20 and the rotor 30 is taken away; meanwhile, the air flow flows through the heat dissipation cavity 101 to quickly discharge the heat of the shell 10, so that the heat dissipation efficiency is improved; the heat radiation structure 100 for the magnetic suspension fan has compact structure and good heat radiation effect.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The heat dissipation structure for the magnetic suspension fan is characterized by comprising a shell, a stator, a rotor and a heat dissipation assembly, wherein the shell is provided with a heat dissipation cavity, a first air hole and a second air hole, the heat dissipation cavity extends along the length direction of the shell, and the first air hole and the second air hole are respectively communicated with two ends of the heat dissipation cavity; the stator is arranged in the shell, the rotor penetrates through the shell and the stator, an air channel is formed between the rotor and the stator, and the first air hole and the second air hole are respectively communicated with the air channel; the heat dissipation assembly comprises a fan, and the fan is installed at one end of the rotor.

2. The heat dissipating structure for a magnetic levitation wind turbine of claim 1, wherein the housing comprises an outer housing, an inner housing, a first end plate and a second end plate, the outer housing and the inner housing being spaced apart to form the heat dissipating cavity, the first air hole extending through the outer housing and the inner housing, the second air hole extending through the outer housing and the inner housing, the stator being mounted within the inner housing; the first end plate and the second end plate are respectively covered at two ends of the outer shell, and the first end plate and the second end plate are respectively covered at two ends of the inner shell.

3. The heat dissipating structure for a magnetic levitation blower of claim 2, wherein the housing further comprises a plurality of partitions having one end connected to the inner housing and the other end connected to the outer housing; the partition plates extend along the length direction of the inner shell, and each partition plate is arranged along the circumferential direction of the inner shell; the inner shell, the outer shell and the adjacent partition plates form the heat dissipation cavity.

4. The heat radiation structure for a magnetic levitation blower according to claim 2, wherein the first end plate comprises a first cover plate portion and a first connection portion connected to the first cover plate portion, one end of the first cover plate portion abuts against one end of the housing, and the first connection portion abuts against the inner side of the inner housing; the first connecting portion is provided with a first through hole, one end of the first through hole is communicated with the second air hole, and the other end of the first through hole is communicated with the air duct.

5. The heat radiation structure for a magnetic levitation blower according to claim 2, wherein the second end plate comprises a second cover plate portion and a second connection portion connected to the second cover plate portion, one end of the second cover plate portion abuts against one end of the housing, and the second connection portion abuts against the inner side of the inner housing; the second end plate is provided with a second through hole, and the second through hole penetrates through the second connecting portion and the second cover plate portion.

6. The heat dissipating structure for a magnetic levitation blower of claim 2, wherein the heat dissipating assembly further comprises a heat dissipating member, wherein the heat dissipating member is sleeved on the stator, one end of the heat dissipating member abuts against the stator, and the other end abuts against the inner housing.

7. The heat radiation structure for a magnetic levitation blower according to claim 6, wherein the heat radiation member comprises a base portion, a plurality of fin portions and a baffle portion, the base portion abuts against the outer side of the stator, each fin portion is uniformly distributed along the circumferential direction of the base portion, and one end of each fin portion abuts against the inner shell; a heat dissipation groove is formed between two adjacent fin parts, and the heat dissipation groove is communicated with the first air hole; one side of the baffle plate part is abutted against one end of the fin part, one end of the baffle plate part is abutted against the base part, and the other end is abutted against the inner shell.

8. The heat dissipation structure for a magnetic levitation fan according to claim 1, wherein the first air holes and the second air holes are all plural, and each of the first air holes and the second air holes is arranged along a circumferential direction of the housing.

9. The heat dissipating structure for a magnetic levitation blower of claim 1, wherein the first air hole has a larger aperture than the second air hole.

10. The heat dissipating structure for a magnetic levitation blower of claim 1, wherein the two ends of the stator are configured in a horn shape.