Air suspension centrifugal fan with efficient heat dissipation function

Abstract

The utility model relates to an efficient heat dissipation air suspension centrifugal fan which comprises a machine shell, a stator, a rotor assembly and a heat dissipation assembly, the machine shell is provided with a plurality of air inlet holes, and the stator is installed in the machine shell; the rotor assembly comprises a rotating shaft and an impeller, the rotating shaft is rotationally connected with the machine shell and penetrates through the stator, and an air channel is formed between the rotating shaft and the stator. The heat dissipation assembly comprises a heat dissipation cover, a cover plate and a heat dissipation wheel, the heat dissipation cover is provided with an air outlet, and the heat dissipation cover covers one end of the machine shell; the cover plate is mounted at one end, away from the shell, of the radiating cover; the heat dissipation wheel is installed at the end, away from the impeller, of the rotating shaft and contained in a containing cavity defined by the heat dissipation cover and the cover plate. According to the air suspension centrifugal fan with the efficient heat dissipation function, air flowing is accelerated through the heat dissipation wheel, air is forced to flow through the air channel from the air inlet holes and then discharged from the air outlet, and heat of the rotating shaft and the stator is rapidly discharged. The air suspension centrifugal fan with the efficient heat dissipation function is compact in structure and convenient to dissipate heat.

Description

Technical Field

[0001] The utility model relates to the technical field of air suspension fans, in particular to an air suspension centrifugal fan with efficient heat dissipation. Background Art

[0002] An air suspension fan, namely an air suspension centrifugal blower, is a brand-new concept blower. It adopts three core high-end technologies: "ultra-high speed direct drive motor", "air suspension bearing" and "high-precision centrifugal impeller", creating a new era of high-efficiency, high-performance, low-noise and low-energy consumption fans. It is a new generation of high-tech civilian product developed with the design experience of aviation turbomachinery.

[0003] The existing air suspension fans are not convenient for heat dissipation. When the air suspension fans operate, they will generate high temperature, and the high temperature cannot be dissipated. The long-term high temperature will cause damage to the air suspension fans. Summary of the Utility Model

[0004] Based on this, in view of the above problems, it is necessary to provide an air suspension centrifugal fan with efficient heat dissipation.

[0005] An air suspension centrifugal fan with efficient heat dissipation includes a housing, a stator, a rotor assembly and a heat dissipation assembly. The housing is provided with a plurality of air inlet holes, and the stator is installed in the housing; the rotor assembly includes a rotating shaft and an impeller. The rotating shaft is rotatably connected to the housing, the rotating shaft penetrates through the stator, and a air duct is formed between the rotating shaft and the stator; the heat dissipation assembly includes a heat dissipation cover, a cover plate and a heat dissipation wheel. The heat dissipation cover is provided with an air outlet, and the heat dissipation cover covers one end of the housing; the cover plate is installed at one end of the heat dissipation cover away from the housing; the heat dissipation wheel is installed at one end of the rotating shaft away from the impeller, and the heat dissipation wheel is accommodated in the accommodation cavity surrounded by the heat dissipation cover and the cover plate.

[0006] In one embodiment, the heat dissipation assembly further includes a heat dissipation plate and a heat dissipation cover. One end of the heat dissipation plate is connected to the heat dissipation cover, and the other end is connected to the heat dissipation cover; the heat dissipation plate is provided with a plurality of first through holes, and each of the first through holes is arranged along the circumference of the heat dissipation plate. The first through holes communicate with the air duct; the heat dissipation wheel is accommodated in the space surrounded by the heat dissipation cover and the cover plate.

[0007] In one embodiment, the heat dissipation plate is provided with a plurality of second through holes, and each of the second through holes is arranged along the circumference of the heat dissipation plate. The distance between the second through hole and the center of the heat dissipation plate is greater than the distance between the first through hole and the center of the heat dissipation plate; the housing is further provided with a plurality of air holes, and each of the air holes is arranged along the circumference of the housing. The air holes communicate with the second through holes.

[0008] In one embodiment, the heat dissipation component further includes a heat conducting member, which is sleeved on the stator; one end of the heat conducting member abuts against the stator, and the other end abuts against the housing.

[0009] In one embodiment, the heat conducting member includes a base portion, a fin portion and a partition portion. The base portion abuts against the outer side of the stator; there are a plurality of fin portions, and the fin portions are arranged at intervals along the circumferential direction of the base portion. One end of each fin portion abuts against the inner side of the housing; a heat dissipation groove is formed between two adjacent fin portions, and the heat dissipation groove communicates with the air inlet hole; one end of the partition portion abuts against one end of the base portion, and the other end abuts against the inner side of the housing.

[0010] In one embodiment, the length of the fin portion is shorter than the length of the base portion, and a gap is formed between one end of the fin portion and the partition portion, and the gap corresponds to the air inlet hole.

[0011] In one embodiment, a boss portion is provided at one end of the base portion, and one end of the partition portion abuts against the boss portion.

[0012] In one embodiment, the housing is further provided with a plurality of ventilation holes. The ventilation holes and the air inlet holes are respectively arranged at two ends of the housing, and each ventilation hole is arranged along the circumferential direction of the housing, and each ventilation hole communicates with the air duct.

[0013] In one embodiment, a volute component is further included. The volute component includes a fixing plate, a guard and a volute. The fixing plate is installed at one end of the housing away from the heat dissipation cover. One end of the guard is connected to the fixing plate, and the other end is connected to the volute. The volute covers the impeller.

[0014] In one embodiment, the rotor assembly further includes a bearing and a support seat. One end of the bearing is installed on the fixing plate. The support seat is installed on the rotating shaft, the support seat penetrates through the bearing, and the rotating shaft penetrates through the support seat.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] The air suspension centrifugal fan with high-efficiency heat dissipation of the present utility model accelerates the gas flow through the heat dissipation wheel, forces the gas to flow through the air duct from the air inlet hole, and then discharges from the air outlet, quickly discharging the heat of the rotating shaft and the stator. The air suspension centrifugal fan with high-efficiency heat dissipation has a compact structure and is convenient for heat dissipation. Description of the Drawings

[0017] Figure 1 It is a schematic structural diagram of an air suspension centrifugal fan with high-efficiency heat dissipation shown in an embodiment of the present utility model;

[0018] Figure 2 is Figure 1 A sectional view taken along line A-A in

[0019] Figure 3 is Figure 2 An enlarged view of circle B in

[0020] Figure 4 is Figure 1 An exploded view of the heat dissipation component in the air suspension centrifugal fan with efficient heat dissipation shown in the figure, where the heat dissipation wheel is not shown.

[0021] The meanings of the reference numerals in the accompanying drawings are as follows:

[0022] 100. Air suspension centrifugal fan with efficient heat dissipation;

[0023] 10. Housing; 101. Air inlet hole; 102. Ventilation hole; 103. Air hole; 20. Stator; 30. Rotor assembly; 31. Rotating shaft; 301. Air duct; 32. Impeller; 33. Bearing; 34. Support seat; 35. Thrust disc; 40. Heat dissipation component; 41. Heat dissipation cover; 410. Air outlet; 411. Accommodation cavity; 42. Cover plate; 43. Heat dissipation wheel; 44. Heat dissipation plate; 441. First through hole; 442. Second through hole; 45. Heat dissipation cover; 450. Through hole; 46. Heat conducting member; 461. Base part; 462. Fin part; 463. Partition part; 464. Boss part;

[0024] 50. Volute component; 51. Fixed plate; 52. Protective cover; 53. Volute; 531. Air inlet end; 532. Air outlet end. Detailed implementation manners

[0025] In order to make the above objects, features, and advantages of the present utility model more obvious and understandable, the following will describe the detailed implementation manners of the present utility model with reference to the accompanying drawings. Many specific details are set forth in the following description in order to fully understand the present utility model. However, the present utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.

[0026] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the present utility model.

[0027] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present utility model, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0028] In the present utility model, unless otherwise clearly specified and defined, terms such as "installation", "connection", "connection", "fixation", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0029] In the present utility model, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "under" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0030] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or there may also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are only for illustrative purposes and do not represent the only implementation.

[0031] Please refer to Figures 1 to 4 , for the high-efficiency heat dissipation air suspension centrifugal fan 100 of an embodiment of the utility model, which includes a casing 10, a stator 20, a rotor assembly 30 and a heat dissipation assembly 40. The casing 10 is provided with a plurality of air inlet holes 101, and the stator 20 is installed in the casing 10; the rotor assembly 30 includes a rotating shaft 31 and an impeller 32. The rotating shaft 31 is rotatably connected to the casing 10, the rotating shaft 31 passes through the stator 20, and an air duct 301 is formed between the rotating shaft 31 and the stator 20; the heat dissipation assembly 40 includes a heat dissipation cover 41, a cover plate 42 and a heat dissipation wheel 43. The heat dissipation cover 41 is provided with an air outlet 410, and the heat dissipation cover 41 is covered at one end of the casing 10; the cover plate 42 is installed at the end of the heat dissipation cover 41 away from the casing 10; the heat dissipation wheel 43 is installed at the end of the rotating shaft 31 away from the impeller 32, and the heat dissipation wheel 43 is accommodated in the accommodation cavity 411 surrounded by the heat dissipation cover 41 and the cover plate 42. The high-efficiency heat dissipation air suspension centrifugal fan 100 accelerates the gas flow through the heat dissipation wheel 43, forces the gas to flow through the air duct 301 from the air inlet holes 101, and then discharges from the air outlet 410, quickly discharging the heat of the rotating shaft 31 and the stator 20.

[0032] As Figure 1 , Figure 2 and Figure 4 shown, in this embodiment, the casing 10 is provided with a plurality of air inlet holes 101, and each air inlet hole 101 is arranged along the circumferential direction of the casing 10; optionally, the casing 10 is further provided with a plurality of ventilation holes 102. The ventilation holes 102 and the air inlet holes 101 are respectively arranged at both ends of the casing 10. Each ventilation hole 102 is arranged along the circumferential direction of the casing 10, and each ventilation hole 102 communicates with the air duct 301. Further, the casing 10 is further provided with a plurality of air holes 103, and each air hole 103 is arranged along the circumferential edge of the casing 10. In one embodiment, the air inlet holes 101 are arranged between the ventilation holes 102 and the air holes 103.

[0033] As Figure 2 shown, the stator 20 is installed in the casing 10. Optionally, both ends of the stator 20 are in a trumpet shape.

[0034] Please refer to Figure 2 and Figure 3, the rotor assembly 30 includes a rotating shaft 31 and an impeller 32. The rotating shaft 31 is rotatably connected to the housing 10. The rotating shaft 31 passes through the stator 20, and an air duct 301 is formed between the rotating shaft 31 and the stator 20. Optionally, the rotor assembly 30 further includes a bearing 33 and a support seat 34. One end of the bearing 33 is mounted on the fixing plate 51, the support seat 34 is mounted on the rotating shaft 31, the support seat 34 passes through the bearing 33, and the rotating shaft 31 passes through the support seat 34. Further, there are two bearings 33 and support seats 34, and both ends of the rotating shaft 31 pass through the two bearings 33 respectively. In one embodiment, the rotor assembly 30 further includes a thrust disc 35. The thrust disc 35 is mounted on one of the support seats 34, the impeller 32 is sleeved on the support seat 34, and one end of the impeller 32 abuts against the thrust disc 35 to prevent the thrust disc 35 from sliding.

[0035] As Figure 1 , Figure 2 and Figure 4 shown, the heat dissipation assembly 40 includes a heat dissipation cover 41, a cover plate 42 and a heat dissipation wheel 43. The heat dissipation cover 41 is provided with an air outlet 410, and the heat dissipation cover 41 covers one end of the housing 10. The cover plate 42 is mounted on the end of the heat dissipation cover 41 away from the housing 10, and the rotating shaft 31 is rotatably connected to the cover plate 42. The heat dissipation wheel 43 is mounted on the end of the rotating shaft 31 away from the impeller 32, and the heat dissipation wheel 43 is accommodated in the accommodation cavity 411 surrounded by the heat dissipation cover 41 and the cover plate 42. Optionally, the accommodation cavity 411 communicates with the air outlet 410. In one embodiment, the heat dissipation assembly 40 further includes a heat dissipation plate 44 and a heat dissipation cover 45. One end of the heat dissipation plate 44 is connected to the heat dissipation cover 41, and the other end is connected to the heat dissipation cover 45. The heat dissipation wheel 43 is accommodated in the space surrounded by the heat dissipation cover 45 and the cover plate 42. Optionally, the heat dissipation plate 44 is provided with a plurality of first through holes 441, and each first through hole 441 is arranged along the circumference of the heat dissipation plate 44. The first through holes 441 communicate with the air duct 301. Further, the heat dissipation plate 44 is provided with a plurality of second through holes 442, and each second through hole 442 is arranged along the circumference of the heat dissipation plate 44. The distance between each second through hole 442 and the center of the heat dissipation plate 44 is greater than the distance between each first through hole 441 and the center of the heat dissipation plate 44. The air hole 103 communicates with the second through hole 442. In one embodiment, the heat dissipation cover 45 is provided with a through hole 450, and both the first through holes 441 and the second through holes 442 communicate with the through hole 450, and the through hole 450 communicates with the accommodation cavity 411.

[0036] As Figure 2 and Figure 4As shown, the heat dissipation component 40 further includes a heat conducting member 46, and the heat conducting member 46 is sleeved on the stator 20; one end of the heat conducting member 46 abuts against the stator 20, and the other end abuts against the housing 10 for heat conduction. The heat conducting member 46 includes a base portion 461, a fin portion 462 and a partition portion 463. The base portion 461 abuts against the outer side of the stator 20; there are a plurality of fin portions 462, and each fin portion 462 is arranged at intervals along the circumferential direction of the base portion 461. One end of the fin portion 462 abuts against the inner side of the housing 10; a heat dissipation groove is formed between two adjacent fin portions 462, and the heat dissipation groove communicates with the air inlet hole 101; one end of the partition portion 463 abuts against one end of the base portion 461, and the other end abuts against the inner side of the housing 10, thereby closing one end of the heat dissipation groove to ensure that the external air flows from the air inlet, through the heat dissipation groove, and then through the air duct 301. Optionally, the length of the fin portion 462 is shorter than the length of the base portion 461, and a gap is formed between one end of the fin portion 462 and the partition portion 463, and the gap corresponds to the air inlet hole 101, so that the external air flows through each heat dissipation groove through the gap. Further, a boss portion 464 is provided at one end of the base portion 461, and one end of the partition portion 463 abuts against the boss portion 464 to limit the position of the partition portion 463; during use, the partition portion 463 and the fin portion 462 are fixed by screws, and the structure is firm.

[0037] As Figures 1 to 3 shown, the air suspension centrifugal fan 100 further includes a volute component 50. The volute component 50 includes a fixing plate 51, a shield 52 and a volute 53. The fixing plate 51 is installed at one end of the housing 10 away from the heat dissipation cover 41. One end of the shield 52 is connected to the fixing plate 51, and the other end is connected to the volute 53. The volute 53 covers the impeller 32; optionally, the thrust disc 35 is arranged between the fixing plate 51 and the shield 52; further, the volute 53 is provided with an air inlet end 531 and an air outlet end 532.

[0038] During use, as the rotating shaft 31 rotates, the impeller 32 and the heat dissipation wheel 43 rotate synchronously. Under the action of the impeller 32, air enters from the air inlet end 531 of the volute 53 and is discharged from the air outlet end 532 of the volute 53; under the action of the heat dissipation wheel 43, the cooling air enters the heat dissipation groove from the air inlet hole 101 and then flows through the air duct 301. At the same time, the cooling air also flows through the air duct 301 from the ventilation hole 102, and then is discharged into the accommodation cavity 411 through the first through hole 441, and finally is discharged through the air outlet 410; in addition, the cooling air enters the housing 10 through the air hole 103 and is then discharged into the accommodation cavity 411 through the second through hole 442. Moreover, part of the heat of the stator 20 is conducted to the housing 10 by the heat conducting member 46 and dissipated; the air suspension centrifugal fan 100 with high-efficiency heat dissipation dissipates heat in a variety of ways, can dissipate heat efficiently and quickly, and has a good heat dissipation effect.

[0039] The air suspension centrifugal fan 100 with efficient heat dissipation of the present utility model accelerates the gas flow through the heat dissipation wheel 43, forcing the gas to flow through the air duct 301 from the air inlet hole 101 and then be discharged from the air outlet 410, quickly discharging the heat of the rotating shaft 31 and the stator 20. The air suspension centrifugal fan 100 with efficient heat dissipation has a compact structure and is convenient for heat dissipation.

[0040] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of concise description, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope recorded in this specification.

[0041] The above-described embodiments only represent several implementation manners of the present utility model, and the description is relatively specific and detailed. However, it should not be understood as a limitation on the scope of the utility model patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several modifications and improvements can still be made, and these all belong to the protection scope of the present utility model. Therefore, the protection scope of the utility model patent shall be subject to the appended claims.

Claims

1. An air suspension centrifugal fan with high-efficiency heat dissipation, characterized in that, It includes a housing, a stator, a rotor assembly and a heat dissipation assembly. The housing is provided with a plurality of air inlet holes, and the stator is installed inside the housing; the rotor assembly includes a rotating shaft and an impeller. The rotating shaft is rotatably connected to the housing, the rotating shaft penetrates through the stator, and an air duct is formed between the rotating shaft and the stator; the heat dissipation assembly includes a heat dissipation cover, a cover plate and a heat dissipation wheel. The heat dissipation cover is provided with an air outlet, and the heat dissipation cover is covered on one end of the housing; the cover plate is installed on the end of the heat dissipation cover away from the housing; the heat dissipation wheel is installed on the end of the rotating shaft away from the impeller, and the heat dissipation wheel is accommodated in the accommodation cavity surrounded by the heat dissipation cover and the cover plate.

2. The air suspension centrifugal fan with efficient heat dissipation according to claim 1, characterized in that The heat dissipation assembly further includes a heat dissipation plate and a heat dissipation cover. One end of the heat dissipation plate is connected to the heat dissipation cover, and the other end is connected to the heat dissipation cover; the heat dissipation plate is provided with a plurality of first through holes, and each of the first through holes is arranged along the circumference of the heat dissipation plate. The first through holes communicate with the air duct; the heat dissipation wheel is accommodated in the space surrounded by the heat dissipation cover and the cover plate.

3. The air suspension centrifugal fan with high efficient heat dissipation according to claim 2, wherein The heat dissipation plate is provided with a plurality of second through holes, and each of the second through holes is arranged along the circumference of the heat dissipation plate. The distance between the second through hole and the center of the heat dissipation plate is greater than the distance between the first through hole and the center of the heat dissipation plate; the housing is further provided with a plurality of air holes, and each of the air holes is arranged along the circumference of the housing. The air holes communicate with the second through holes.

4. The air suspension centrifugal fan with efficient heat dissipation according to claim 1, characterized in that The heat dissipation assembly further includes a heat conducting member, and the heat conducting member is sleeved on the stator; one end of the heat conducting member abuts against the stator, and the other end abuts against the housing.

5. The air suspension centrifugal fan with efficient heat dissipation according to claim 4, characterized in that, The heat conducting member includes a base portion, a fin portion and a partition portion. The base portion abuts against the outer side of the stator; there are a plurality of fin portions, and each of the fin portions is arranged at intervals along the circumferential direction of the base portion. One end of the fin portion abuts against the inner side of the housing; a heat dissipation groove is formed between two adjacent fin portions, and the heat dissipation groove communicates with the air inlet holes; one end of the partition portion abuts against one end of the base portion, and the other end abuts against the inner side of the housing.

6. The air suspension centrifugal fan with high efficient heat dissipation according to claim 5, wherein, The length of the fin portion is shorter than the length of the base portion, and a gap is formed between one end of the fin portion and the partition portion, and the gap corresponds to the air inlet holes.

7. The air suspension centrifugal fan with efficient heat dissipation according to claim 5, characterized in that, A boss portion is provided at one end of the base portion, and one end of the partition portion abuts against the boss portion.

8. The air suspension centrifugal fan with high heat dissipation according to claim 1, wherein The housing is further provided with a plurality of ventilation holes. The ventilation holes and the air inlet holes are respectively arranged at both ends of the housing. Each of the ventilation holes is arranged along the circumference of the housing, and each of the ventilation holes communicates with the air duct.

9. The air suspension centrifugal fan with high-efficiency heat dissipation according to claim 1, characterized in that, It further includes a volute casing assembly. The volute casing assembly includes a fixing plate, a protective cover and a volute casing. The fixing plate is installed on the end of the housing away from the heat dissipation cover. One end of the protective cover is connected to the fixing plate, and the other end is connected to the volute casing. The volute casing covers the impeller.

10. The air suspension centrifugal fan with high-efficiency heat dissipation according to claim 9, wherein, The rotor assembly further includes a bearing and a support seat. One end of the bearing is installed on the fixing plate. The support seat is installed on the rotating shaft. The support seat penetrates through the bearing, and the rotating shaft penetrates through the support seat.

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