CN219911533U - Brushless direct current high-speed motor bearing of air purifier - Google Patents
Brushless direct current high-speed motor bearing of air purifier Download PDFInfo
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- CN219911533U CN219911533U CN202320283767.4U CN202320283767U CN219911533U CN 219911533 U CN219911533 U CN 219911533U CN 202320283767 U CN202320283767 U CN 202320283767U CN 219911533 U CN219911533 U CN 219911533U
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- heat dissipation
- magnetic path
- bearing
- speed motor
- block
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- 239000002826 coolant Substances 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 230000017525 heat dissipation Effects 0.000 claims description 64
- 230000007797 corrosion Effects 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 239000002086 nanomaterial Substances 0.000 claims description 3
- 238000002844 melting Methods 0.000 abstract description 5
- 230000008018 melting Effects 0.000 abstract description 5
- 239000007769 metal material Substances 0.000 abstract description 4
- 239000000155 melt Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 10
- 238000004140 cleaning Methods 0.000 description 6
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000001996 bearing alloy Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model belongs to the technical field of brushless direct current high-speed motor bearings, in particular to an air purifier brushless direct current high-speed motor bearing, which comprises a bearing body; through the setting of cooling mechanism, cooling medium is the metal material that expands and absorbs heat for melting back volume, promptly cooling medium melts when the stability of bearing is to certain numerical value, expansion extrusion first magnetic path removes, and first magnetic path and the adjacent side of second magnetic path all set up to anodal, first magnetic path and second magnetic path repel, the removal of first magnetic path promotes the second magnetic path to remove, simultaneously the second magnetic path exerts pressure to the spring, the second magnetic path drives and shelters from the piece removal, and along with shelter from the dog ground to remove, spill the louvre, then form the passageway, heat that will pile up in the heat sink is derived, reach quick effectual radiating purpose, and when the temperature drops to certain numerical value, cooling medium solidifies gradually, and under the effect of spring elasticity, shelter from the piece reset and shelter from the louvre.
Description
Technical Field
The utility model relates to the technical field of brushless direct current high-speed motor bearings, in particular to an air purifier brushless direct current high-speed motor bearing.
Background
The air purifier drives the ventilator through brushless DC high speed motor to circulate indoor and indoor air, the polluted air is filtered by the air filter inside the air purifier to eliminate or adsorb various pollutant, and the air is ionized continuously through the negative ion generator installed in the air outlet to produce great amount of negative ion and sent out by the micro fan to form negative ion flow, so as to clean and purify air
The current brushless dc high-speed motor bearing is generally composed of a bearing assembly, a heat conducting layer, a heat dissipating member and the like, namely, when the bearing is installed in the brushless dc high-speed motor and operates, the bearing operates at an elevated temperature, and at this time, the heat is conducted out by the heat conducting layer arranged on the bearing assembly and the heat dissipating member arranged on the bearing assembly in a matched manner, so that the bearing operating temperature is prevented from exceeding the softening temperature of the bearing alloy.
However, the high-speed running of the brushless direct current high-speed motor can continuously raise the temperature of the bearing driven by the rotating shaft of the brushless direct current high-speed motor, and the existing brushless direct current high-speed motor bearing has slower heat dissipation efficiency in a mode that the heat conduction layer is matched with an external heat dissipation piece, so that the situation that the bearing burns tiles due to untimely heat dissipation is easy to occur; therefore, a brushless direct current high-speed motor bearing for an air purifier is proposed to solve the above problems.
Disclosure of Invention
In order to make up the deficiency of the prior art, the high-speed running of the brushless direct current high-speed motor can continuously raise the temperature of the bearing driven by the rotating shaft of the brushless direct current high-speed motor, but the existing brushless direct current high-speed motor bearing has slower heat dissipation efficiency in a mode of matching the heat conduction layer with an external heat dissipation piece, and the problem that the bearing is burned due to untimely heat dissipation is easy to occur.
The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a brushless direct current high-speed motor bearing of an air purifier, which comprises a bearing body; a heat dissipation groove is formed in the bearing body, and heat dissipation holes communicated with the heat dissipation groove are formed in the front surface and the back surface of the bearing body;
the cooling device comprises a cooling block, wherein a cooling medium is arranged in the cooling block, a first magnetic block is arranged in the cooling block in a sliding connection mode, a guide frame is arranged on one side face of the cooling block, a second magnetic block is arranged in the guide frame in a sliding connection mode, one side face of the second magnetic block, far away from the first magnetic block, is elastically connected with the inner side wall of the guide frame through a spring, and two ends of the second magnetic block extend out of the guide frame and are provided with shielding blocks in a fixed connection mode.
Preferably, the heat dissipation mechanism is provided with a plurality of groups, the plurality of groups of heat dissipation mechanisms are distributed in an annular mode, and the inner side wall of the heat dissipation block is provided with a corrosion-resistant layer.
Preferably, the front and the back of the bearing body are fixedly provided with shielding rings, the shielding rings are provided with heat conducting grooves, and dustproof nets are arranged in the heat conducting grooves.
Preferably, the cooling medium comprises sodium metal, a sealing gasket is arranged on the outer wall of the shielding block, a guide rod is fixedly arranged on the inner side wall of the heat dissipation block, a clamping groove is formed in one side surface, close to the second magnetic block, of the first magnetic block, and the other end of the guide rod is inserted into the clamping groove.
Preferably, a plurality of heat dissipation holes are formed, and heat insulation pads are arranged in the plurality of heat dissipation holes.
Preferably, the outer wall and the inner wall of the bearing body are both coated with a useful wear-resistant layer, and the wear-resistant layer is made of a nano material.
The utility model has the advantages that:
1. according to the utility model, through the arrangement of the heat dissipation mechanism, the cooling medium is a metal material with expanded volume and heat absorption after melting, namely, the cooling medium melts when the bearing is stabilized to a certain value, then expands and extrudes the first magnetic block to move, one side surface of the first magnetic block adjacent to the second magnetic block is set to be positive, namely, the first magnetic block and the second magnetic block repel each other, then the movement of the first magnetic block pushes the second magnetic block to move, meanwhile, the second magnetic block applies pressure to the spring, then the second magnetic block drives the shielding block to move, the initial position of the shielding block corresponds to the heat dissipation hole, and the shielding block moves along with the shielding block, leaks out of the heat dissipation hole, then forms a passage, and leads out heat accumulated in the heat dissipation groove, so that the purpose of rapid and effective heat dissipation is achieved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic perspective view of a first embodiment;
FIG. 2 is a schematic view of a partial cross-sectional structure of a first embodiment;
fig. 3 is a schematic view of a part of a heat dissipation mechanism according to a first embodiment;
fig. 4 is a schematic structural diagram of a portion a in fig. 2 according to a first embodiment;
fig. 5 is a schematic overall structure of the second embodiment.
In the figure: 1. a bearing body; 2. a heat sink; 3. a heat radiation hole; 4. a heat dissipation mechanism; 41. a heat dissipation block; 42. a cooling medium; 43. a first magnetic block; 44. a guide frame; 45. a second magnetic block; 46. a spring; 47. a shielding block; 5. a shielding ring; 6. a heat conduction groove; 7. a guide rod; 8. a clamping groove; 9. and (5) cleaning the brush.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1-4, a brushless dc high-speed motor bearing for an air purifier includes a bearing body 1; a heat dissipation groove 2 is formed in the bearing body 1, and heat dissipation holes 3 communicated with the heat dissipation groove 2 are formed in the front surface and the back surface of the bearing body 1;
the heat dissipation device is characterized in that a heat dissipation mechanism 4 is arranged in the heat dissipation groove 2, the heat dissipation mechanism 4 comprises a heat dissipation block 41 fixedly arranged on the inner side wall of the heat dissipation block 41, a cooling medium 42 is arranged in the heat dissipation block 41, a first magnetic block 43 in sliding connection is arranged in the heat dissipation block 41, a guide frame 44 in fixed connection is arranged on one side surface of the heat dissipation block 41, a second magnetic block 45 in sliding connection is arranged in the guide frame 44, one side surface, far away from the first magnetic block 43, of the second magnetic block 45 is elastically connected with the inner side wall of the guide frame 44 through a spring 46, and both ends of the second magnetic block 45 extend out of the guide frame 44 and are provided with a shielding block 47 in fixed connection; in operation, the temperature of the bearing is continuously increased by the rotating shaft of the brushless direct current high-speed motor due to the high-speed operation of the brushless direct current high-speed motor, the existing brushless direct current high-speed motor bearing is slower in heat dissipation efficiency by matching the heat conduction layer with an external heat dissipation piece, and the situation that the bearing burns tiles easily occurs due to untimely heat dissipation, so that the bearing is applied to the brushless direct current high-speed motor of the air purifier, particularly after the bearing is installed and connected with the brushless direct current high-speed motor of the air purifier, the temperature of the rotating shaft is gradually increased and then the temperature of the bearing is gradually increased along with the starting of the brushless direct current high-speed motor of the air purifier, at the moment, the cooling medium 42 is a metal material with expanded volume and heat absorption after melting through the arrangement of the heat dissipation mechanism 4, namely the cooling medium 42 is melted when the bearing is stabilized to a certain value, and then the first magnetic block 43 is expanded and extruded to move, the adjacent side surfaces of the first magnetic block 43 and the second magnetic block 45 are all set as positive poles, namely the first magnetic block 43 and the second magnetic block 45 repel each other, then the movement of the first magnetic block 43 pushes the second magnetic block 45 to move, meanwhile, the second magnetic block 45 applies pressure to the spring 46, then the second magnetic block 45 drives the shielding block 47 to move, the initial position of the shielding block 47 corresponds to the radiating hole 3, along with the movement of the shielding block 47, the radiating hole 3 leaks out, a passage is formed, the heat accumulated in the radiating groove 2 is led out, the purpose of rapid and effective heat dissipation is achieved, when the temperature is reduced to a certain value, the cooling medium 42 is gradually solidified, and under the action of the spring 46, the second magnetic block 45 drives the first magnetic block 43 to reset, and extrudes the cooling medium 42 to an initial state, a sealing gasket is arranged between the first magnetic block 43 and the radiating block 41, omission is avoided, then the shielding block 47 resets to shield the radiating hole 3, then, the amount of dust entering the heat dissipation groove 2 is reduced, and the influence of the dust on the heat dissipation mechanism 4 is reduced, so that the problem that the bearing of the existing brushless direct current high-speed motor is low in heat dissipation efficiency in a mode that the heat conduction layer is matched with an external heat dissipation piece, and the situation that the bearing burns tiles due to untimely heat dissipation is solved.
The heat dissipation mechanisms 4 are provided with a plurality of groups, the heat dissipation mechanisms 4 of the plurality of groups are distributed in a ring shape, and the inner side wall of the heat dissipation block 41 is provided with a corrosion-resistant layer; in operation, the inner side wall of the heat dissipation block 41 is provided with a corrosion-resistant layer, so that influence of the cooling medium 42 on the inner wall of the heat dissipation block 41 is avoided.
The front and the back of the bearing body 1 are fixedly provided with shielding rings 5, the shielding rings 5 are provided with heat conducting grooves 6, and dustproof nets are arranged in the heat conducting grooves 6; during operation, through setting up of shielding ring 5 and heat conduction groove 6, be convenient for shelter from the dust, when avoiding louvre 3 not sheltered from, the dust gets into in the heat dissipation groove 2, has guaranteed the stability of bearing operation.
The cooling medium 42 comprises sodium metal, a sealing gasket is arranged on the outer wall of the shielding block 47, a guide rod 7 is fixedly arranged on the inner side wall of the heat dissipation block 41, a clamping groove 8 is formed in one side surface of the first magnetic block 43, which is close to the second magnetic block 45, and the other end of the guide rod 7 is inserted into the clamping groove 8; when the bearing is operated, the metal sodium can be melted at a certain temperature, heat can be absorbed in the metal sodium melting process, so that the operating temperature of the bearing is rapidly reduced, when the operating temperature of the bearing is reduced to be lower than the melting point of the metal sodium, the metal sodium is rapidly solidified, the temperature of the bearing can be repeatedly and rapidly regulated in the process, the first magnetic block 43 is guided through the arrangement of the guide rod 7, and deflection in the moving process of the first magnetic block 43 is avoided.
A plurality of heat dissipation holes 3 are formed, and heat insulation pads are arranged in the plurality of heat dissipation holes 3; during operation, through the setting of a plurality of louvres 3, guarantee radiating stability, a plurality of all be provided with the heat insulating pad in the louvre 3, avoid thermal heat dissipation to receive the influence.
The outer wall and the inner wall of the bearing body 1 are both coated with useful wear-resistant layers, and the wear-resistant layers are made of nano-material members; during operation, through the outer wall and the equal spraying useful wearing layer of inner wall of bearing body 1, the wearing layer adopts the component of nanometer material, strengthens the wearability of this bearing, then strengthens life.
Examples
Referring to fig. 5, in a first comparative example, as another embodiment of the present utility model, a driving ring is rotatably installed on both the front and the back of the bearing body 1, a positioning ring is fixedly installed on one end of the driving ring away from the bearing body 1, a cleaning brush 9 is fixedly installed on one side surface of the positioning ring close to the bearing body 1, and the other end of the cleaning brush 9 is abutted against a dust screen; during operation, through the setting of cleaning brush 9, the setting of cooperation drive ring for cleaning brush 9 is not accompanied bearing body 1 and is rotated, forms reverse rotation then, makes cleaning brush 9 can clear up the dust screen, avoids the dust to pile up too much, influences thermal derivation.
The bearing is installed and is connected with the brushless direct current high-speed motor of the air purifier, then the starting of the brushless direct current high-speed motor of the air purifier is accompanied, the temperature of the rotating shaft of the bearing is gradually increased, then the temperature of the bearing is gradually increased, at the moment, through the arrangement of the radiating mechanism 4, the cooling medium 42 is a metal material with expanded volume and heat absorption after melting, namely, the cooling medium 42 melts when the bearing is stabilized to a certain value, then the first magnetic block 43 is expanded and extruded to move, the first magnetic block 43 and one side surface adjacent to the second magnetic block 45 are set to be positive, namely, the first magnetic block 43 and the second magnetic block 45 repel each other, then the movement of the first magnetic block 43 pushes the second magnetic block 45 to move, meanwhile, the second magnetic block 45 applies pressure to the spring 46, then the second magnetic block 45 drives the shielding block 47 to move, the initial position of the shielding block 47 corresponds to the radiating hole 3, and the movement of the shielding block 47 is accompanied, the radiating hole 3 is leaked, then the heat in the radiating groove 2 is guided out, the heat accumulated in the radiating groove 2 is rapidly and effectively extruded, and when the temperature is reduced to a certain value, the first magnetic block 43 and the first magnetic block 45 is reset to be reset, the first magnetic block 4 is reset, and the dust is prevented from being reset, and the first magnetic block 4 is prevented from being extruded to the radiating hole 4, and then the dust is prevented from being deformed, and the heat is reduced, and the dust is prevented from being accumulated in the radiating groove 2.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (6)
1. The brushless direct current high-speed motor bearing of the air purifier comprises a bearing body (1); a heat dissipation groove (2) is formed in the bearing body (1), and heat dissipation holes (3) communicated with the heat dissipation groove (2) are formed in the front surface and the back surface of the bearing body (1), and the bearing is characterized in that;
be provided with cooling mechanism (4) in radiating groove (2), cooling mechanism (4) are including radiating block (41) of fixed mounting at radiating block (41) inside wall, be provided with cooling medium (42) in radiating block (41), install sliding connection's first magnetic path (43) in radiating block (41), fixed connection's leading truck (44) are installed to one side of radiating block (41), install sliding connection's second magnetic path (45) in leading truck (44), one side that first magnetic path (43) were kept away from to second magnetic path (45) is through the inside wall elastic connection of spring (46) with leading truck (44), both ends of second magnetic path (45) all extend leading truck (44) and install fixed connection's shielding piece (47).
2. The brushless dc high-speed motor bearing for an air cleaner according to claim 1, wherein: the heat dissipation mechanism (4) is provided with a plurality of groups, the heat dissipation mechanisms (4) of the groups are distributed in an annular mode, and the inner side wall of the heat dissipation block (41) is provided with a corrosion-resistant layer.
3. The brushless dc high-speed motor bearing for an air cleaner according to claim 1, wherein: the front and the back of the bearing body (1) are fixedly provided with shielding rings (5), the shielding rings (5) are provided with heat conducting grooves (6), and dustproof nets are arranged in the heat conducting grooves (6).
4. The brushless dc high-speed motor bearing for an air cleaner according to claim 1, wherein: the cooling medium (42) comprises sodium metal, a sealing gasket is arranged on the outer wall of the shielding block (47), a guide rod (7) is fixedly arranged on the inner side wall of the heat dissipation block (41), a clamping groove (8) is formed in one side surface of the first magnetic block (43) close to the second magnetic block (45), and the other end of the guide rod (7) is inserted into the clamping groove (8).
5. The brushless dc high-speed motor bearing for an air cleaner according to claim 1, wherein: the heat dissipation holes (3) are multiple, and heat insulation pads are arranged in the heat dissipation holes (3).
6. The brushless dc high-speed motor bearing for an air cleaner according to claim 1, wherein: the outer wall and the inner wall of the bearing body (1) are both coated with useful wear-resistant layers, and the wear-resistant layers are made of nano-material members.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320283767.4U CN219911533U (en) | 2023-02-22 | 2023-02-22 | Brushless direct current high-speed motor bearing of air purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320283767.4U CN219911533U (en) | 2023-02-22 | 2023-02-22 | Brushless direct current high-speed motor bearing of air purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219911533U true CN219911533U (en) | 2023-10-27 |
Family
ID=88463100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320283767.4U Active CN219911533U (en) | 2023-02-22 | 2023-02-22 | Brushless direct current high-speed motor bearing of air purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219911533U (en) |
-
2023
- 2023-02-22 CN CN202320283767.4U patent/CN219911533U/en active Active
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