CN116033714A - Air cooling structure of outer rotor electric roller - Google Patents
Air cooling structure of outer rotor electric roller Download PDFInfo
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- CN116033714A CN116033714A CN202211676709.4A CN202211676709A CN116033714A CN 116033714 A CN116033714 A CN 116033714A CN 202211676709 A CN202211676709 A CN 202211676709A CN 116033714 A CN116033714 A CN 116033714A
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- air
- shaft lever
- turbofan
- cooling structure
- outer rotor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Abstract
The invention discloses an air cooling structure of an outer rotor electric roller, and relates to the technical field of outer rotors; the invention mainly comprises the following steps: the number of the fixing seats is two and the fixing seats are symmetrically arranged; the two ends of the shaft lever are respectively arranged with the two fixing seats, the inside of the shaft lever is provided with an air channel, the shaft lever is provided with a plurality of air inlets which are distributed in an array and are communicated with the air channel, and the shaft lever is provided with a plurality of air outlets which are distributed in an array and are communicated with the air channel; the stator assembly is fixedly sleeved on the shaft rod and positioned between the air inlet and the air outlet; the rotor assembly is rotationally sleeved on the stator assembly and the shaft rod; the turbofan is rotatably sleeved on the shaft rod, fixed with one end of the rotor assembly, and corresponds to the air inlets, and the turbofan is used for discharging outside air into the air inlets. The invention has high heat dissipation efficiency, does not need an additional fan and saves energy.
Description
Technical Field
The invention relates to the technical field of outer rotors, in particular to an air cooling structure of an outer rotor electric roller.
Background
The outer rotor electric roller has the characteristics of space saving, compact design and attractive appearance. The external rotor electric roller has the advantages of simple structure, reliable operation, less loss, high efficiency, direct drive control and the like, is particularly suitable for low-speed and high-torque application occasions, and is widely applied to industries such as petroleum, mining, metallurgical steel rolling and the like. When the outer rotor electric roller works, a coil arranged on the stator generates a large amount of induction heat, so that the motor is easy to age, the service life of the outer rotor electric roller is influenced, and in order to improve the heat dissipation capacity of the outer rotor electric roller, a reasonable cooling system is adopted to control the temperature rise of the outer rotor electric roller, so that the equipment is required to be cooled.
Chinese patent publication (bulletin) No. CN111130266B discloses an air cooling structure of an outer rotor motorized pulley, comprising: the stator assembly comprises a stator sleeve, an axial rib plate, an air deflector structure, a bearing seat, a main shaft and a stator coil iron core assembly, wherein the air deflector structure is respectively connected with the axial rib plate and the main shaft, the axial rib plate is respectively connected with the bearing seat, the stator sleeve and the main shaft, an air inlet and outlet channel is distributed on the fixing seat, an air inlet and outlet port is distributed on the end cover assembly, an air channel is formed in the space between the stator sleeve, the air deflector structure and the axial rib plate, a fan at one end of the main shaft sends cooling air flow into the air channel through the fixing seat and the end cover assembly to cool the stator iron core, and then the cooling air flow entering the stator is improved through the air channel outside the shaft, so that the heat dissipation effect is enhanced, and the service life of the electric roller is effectively prolonged.
Above-mentioned electronic cylinder of external rotor's cooling structure is through at air intake connection fan, sends into the air flue with the cooling air and cools off stator core, improves the cooling air flow that gets into the stator, but needs extra fan and need provide the energy to the fan, has increased the consumption of energy, extravagant cost, and fan operation can produce the heat simultaneously, still need do the radiating treatment to the fan, and the radiating effect is not good.
Disclosure of Invention
The invention aims at: in order to solve the problems in the prior art, the invention provides an air cooling structure of an outer rotor electric roller.
The invention adopts the following technical scheme for realizing the purposes:
an air cooling structure of an outer rotor motorized pulley, comprising:
the number of the fixing seats is two and the fixing seats are symmetrically arranged;
the two ends of the shaft rod are respectively installed with the two fixing seats, an air channel is formed in the shaft rod, a plurality of air inlets which are distributed in an array mode and are communicated with the air channel are formed in the shaft rod, and a plurality of air outlets which are distributed in an array mode and are communicated with the air channel are formed in the shaft rod;
the stator assembly is fixedly sleeved on the shaft rod and is positioned between the air inlet and the air outlet;
the rotor assembly is rotationally sleeved on the stator assembly and the shaft rod;
the turbofan is rotatably sleeved on the shaft rod, the turbofan is fixed with one end of the rotor assembly, the turbofan corresponds to the air inlets, and the turbofan is used for discharging outside air into the air inlets.
Preferably, the turbofan comprises a conical cylinder sleeved on the shaft rod, one end of the conical cylinder with a smaller opening is connected with the end part of the rotor assembly, a plurality of air inlets are close to one end of the conical cylinder with a smaller opening, and a plurality of arc-shaped fan blades distributed in an array are mounted on the inner wall of the conical cylinder.
Preferably, the number of the turbofans is two, the other turbofan is connected with the other end of the rotor assembly, the plurality of air outlets correspond to the smaller end of the other turbofan, and the other turbofan is used for discharging air at the air outlets to the outside.
Preferably, the two ends of the rotor assembly are both fixedly provided with connecting sleeves movably sleeved on the shaft rod, annular slots are formed in the inner wall of one end of the connecting sleeves, the smaller end of the turbofan opening is fixedly provided with annular inserting plates, the annular inserting plates are movably inserted into the annular slots, inserting holes are formed in the outer peripheral sides of the connecting sleeves in a penetrating mode, threaded holes corresponding to the inserting holes are formed in the outer peripheral sides of the annular inserting plates, screws are movably inserted into the inserting holes, one ends of the screws are in threaded connection with the threaded holes, and the other ends of the screws are fixedly provided with knobs.
Preferably, the knob is provided with a cross slot.
Preferably, the stator assembly includes fixed cover is established fixed lantern ring on the axostylus axostyle, be fixed with a plurality of in the periphery side of fixed lantern ring and be the stator core of array distribution, a plurality of all around being equipped with the coil on the stator core, every U type groove has all been seted up to stator core's inside, U type groove's both ends run through stator core's same side, set up a plurality of in array distribution's butt joint hole group first on the fixed lantern ring, a plurality of butt joint hole group first with a plurality of U type groove one-to-one, butt joint hole group first includes two connecting holes, two the connecting hole all runs through fixed lantern ring, two the connecting hole respectively with U type groove's both ends intercommunication, set up a plurality of in array distribution's butt joint hole group second on the axostylus axostyle, butt joint hole group second includes two corresponding holes, two corresponding holes respectively with two connecting hole are linked together.
Preferably, a partition block for partitioning the ventilation channel into two sections is fixed on the inner wall of the ventilation channel, and the partition block is located between two corresponding holes on the same butt joint hole group II.
Preferably, the orifice sides of the air inlet and the air outlet are provided with fillets.
Preferably, the fixed cover is equipped with two limiting plates on the axostylus axostyle, two limiting plates are close to respectively the both ends of axostylus axostyle, all be provided with the external screw thread on the periphery side at axostylus axostyle both ends, the fixing base movable sleeve is established the tip of axostylus axostyle, the tip thread bush of axostylus axostyle is equipped with the fixed block.
Preferably, the section of the fixing block along the vertical direction of the central axis of the shaft rod is regular hexagon.
The beneficial effects are that:
1. the end part of the rotor assembly is provided with the turbofan, the rotor assembly can drive the turbofan to rotate while rotating, and the turbofan discharges external wind into the air inlet, so that the wind flow in the air duct is accelerated, the heat dissipation effect on the stator assembly is enhanced, the service life of the outer rotor is prolonged, the wind flow is improved without an additional fan, and the energy is saved;
2. the turbofan is arranged in a conical shape, so that the exhaust efficiency can be improved, and the heat dissipation effect is further improved;
3. the two turbofans are arranged, one is used for exhausting outside air into the air inlet, and the other is used for exhausting air at the air outlet to the outside, so that the flow speed of air in the ventilating duct can be increased, and the heat dissipation effect on the stator assembly is improved;
4. through set up U type groove in the inside of every stator core, the wind of air flue inside passes from U type groove, can dispel the heat for every stator core, and the radiating effect is better.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a perspective cross-sectional view of FIG. 1 in accordance with the present invention;
FIG. 3 is a perspective cross-sectional view of the invention in a further direction from FIG. 1;
FIG. 4 is a schematic perspective view of a portion of the structure of FIG. 1 according to the present invention;
FIG. 5 is an exploded view of a portion of the structure of FIG. 4 in accordance with the present invention;
FIG. 6 is an exploded view of yet another portion of the structure of FIG. 4 in accordance with the present invention;
fig. 7 is a schematic perspective view of the stator assembly structure of the present invention.
In fig. 1-7:
1. a fixing seat; 2. a shaft lever; 3. a stator assembly; 4. a rotor assembly; 5. a turbo fan; 21. an air duct; 22. an air inlet; 23. an air outlet; 24. a corresponding hole; 25. a partition block; 26. a limiting plate; 27. a fixed block; 31. a fixed collar; 32. a stator core; 33. a U-shaped groove; 34. a connection hole; 41. connecting sleeves; 42. an annular slot; 43. a jack; 44. a screw; 45. a knob; 46. a cross slot; 51. a conical cylinder; 52. arc-shaped fan blades; 501. an annular plugboard; 502. and (3) a threaded hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
An air cooling structure of an outer rotor motorized pulley provided in this embodiment, please refer to fig. 1-7; mainly comprises the following steps: the number of the fixing seats 1 is two and the fixing seats are symmetrically arranged; the shaft lever 2, two ends of the shaft lever 2 are respectively installed with the two fixing seats 1, the ventilating duct 21 is arranged in the shaft lever 2, two ends of the ventilating duct 21 do not penetrate through two ends of the shaft lever 2, a plurality of air inlets 22 which are distributed in an array manner and are communicated with the ventilating duct 21 are arranged on the shaft lever 2, the air inlets 22 are arranged, the air inlet efficiency is high, a plurality of air outlets 23 which are distributed in an array manner and are communicated with the ventilating duct 21 are arranged on the shaft lever 2, and the air outlet efficiency is high; the stator assembly 3 is fixedly sleeved on the shaft lever 2, and the stator assembly 3 is positioned between the air inlet 22 and the air outlet 23; the rotor assembly 4 is rotatably sleeved on the stator assembly 3 and the shaft lever 2; the turbofan 5, the turbofan 5 rotates the cover and establishes on axostylus axostyle 2, turbofan 5 is fixed with the one end of rotor assembly 4, turbofan 5 is corresponding with a plurality of air intake 22, turbofan 5 is used for discharging outside air into the inside of air intake 22, when the device is in use, stator assembly 3 circular telegram drives rotor assembly 4 and rotates, rotor assembly 4 drives turbofan 5 rotation when rotating, turbofan 5 is with outside air discharge into the inside of air flue 21 through a plurality of air intake 22, accelerate the wind speed, the inside wind of air flue 21 dispels the heat to stator assembly 3, the radiating effect is good, the wind that has the heat is discharged through air outlet 23, the device can reach the effect that improves the wind speed without increasing extra fan, when the energy saving, the radiating effect is better.
In order to increase the flow rate of wind in the ventilation channel 21 and improve the heat dissipation efficiency of the stator assembly 3, referring to fig. 2, 3, 4 and 5, the turbofan 5 comprises a conical cylinder 51 sleeved on the shaft lever 2, one end of the conical cylinder 51 with a smaller opening is connected with the end of the rotor assembly 4, a plurality of air inlets 22 are close to one end of the conical cylinder 51 with a smaller opening, a plurality of arc-shaped blades 52 distributed in an array are arranged on the inner wall of the conical cylinder 51, and the turbofan 5 is arranged in the shape of the conical cylinder 51, so that the outside air can be better discharged into the air inlets 22, the air inlet speed is improved, and the heat dissipation effect is good; the quantity of turbofan 5 is two, and another turbofan 5 is connected with the other end of rotor assembly 4, and a plurality of air outlet 23 corresponds with the less one end of another turbofan 5 opening, and another turbofan 5 is used for discharging the air of air outlet 23 to the external world, and turbofan 5 sets up two, and the setting direction of arc flabellum 52 on two turbofans 5 is opposite, and another turbofan 5 can take out the air on the air outlet 23 for the velocity of flow of the inside wind of air flue 21, the radiating effect is better.
In this embodiment, in order to facilitate the disassembly of the turbofan 5, clean and replace the turbofan 5, please refer to fig. 5, both ends of the rotor assembly 4 are fixed with a connecting sleeve 41 movably sleeved on the shaft lever 2, an annular slot 42 is formed on the inner wall of one end of the connecting sleeve 41 facing away from the rotor assembly 4, an annular plugboard 501 is fixed on the smaller end of the turbofan 5, the annular plugboard 501 is movably inserted in the annular slot 42, a jack 43 is formed on the outer peripheral side of the connecting sleeve 41 in a penetrating way, a threaded hole 502 corresponding to the jack 43 is formed on the outer peripheral side of the annular plugboard 501, a screw 44 is movably inserted in the jack 43, one end of the screw 44 is in threaded connection with the threaded hole 502, a knob 45 is fixed at the other end of the screw 44, the screw 44 is rotated to disengage the screw 44 from the threaded hole 502, the turbofan 5 can be separated from the connecting sleeve 41, during the installation, in order to enable the annular plugboard 501 to be accurately corresponding to the threaded hole 502, a guide groove is formed in the annular plugboard 501, a guide groove is formed in the annular slot 42, a guide block is fixedly arranged on the inner wall of the annular slot 42, and a guide block is fixedly arranged in the annular slot 501 in the annular slot, and finally the guide groove is inserted in the annular slot 502 is quickly connected to the threaded hole 502, and can be quickly inserted in the threaded hole 43; the cross slot 46 is formed in the knob 45, and the knob 45 can be rotated by tools such as a screwdriver, so that the installation is convenient.
Further, referring to fig. 2, 3, 4, 6 and 7, the stator assembly 3 includes a fixing collar 31 fixedly sleeved on the shaft rod 2, a plurality of stator cores 32 distributed in an array are fixed on the outer peripheral side of the fixing collar 31, coils are wound on the plurality of stator cores 32, a U-shaped slot 33 is formed in the interior of each stator core 32, two ends of the U-shaped slot 33 penetrate through the same side of the stator core 32, a plurality of first butt-joint hole groups distributed in an array are formed in the fixing collar 31, the plurality of first butt-joint hole groups are in one-to-one correspondence with the plurality of U-shaped slots 33, each first butt-joint hole group comprises two connecting holes 34, each two connecting holes 34 penetrate through the fixing collar 31, each two connecting holes 34 are respectively communicated with two ends of the U-shaped slots 33, a plurality of second butt-joint hole groups distributed in an array are formed in the shaft rod 2, each second butt-joint hole group corresponds to the plurality of butt-joint hole groups in one-to one, each second butt-joint hole group comprises two corresponding holes 24, each two corresponding holes 24 are respectively communicated with the two connecting holes 34, the two corresponding holes 22 are respectively connected with the two connecting holes 34 in one-to one, and the air inlets 21 can flow into the air inlet holes 32 through the inner portion of the air inlet channel, and the air inlet channel can have a better heat dissipation effect.
In order to improve the heat dissipation effect on the stator core 32, referring to fig. 2 and 3, a partition block 25 for partitioning the air channel 21 into two sections is fixed on the inner wall of the air channel 21, the partition block 25 is positioned between two corresponding holes 24 on the same butt joint hole group two, the air channel 21 is partitioned into two sections by the arrangement of the partition block 25, and the air at the air inlet 22 can only enter the other section of the air channel 21 through the U-shaped groove 33 and flow out from the air outlet 23, thereby improving the heat dissipation effect; the orifice sides of the air inlet 22 and the air outlet 23 are provided with round corners, the round corners are arranged, air is convenient to flow in, and the resistance of air flow is smaller.
Still further, referring to fig. 6, two limiting plates 26 are fixedly sleeved on the shaft lever 2, the two limiting plates 26 are respectively close to two ends of the shaft lever 2, external threads are respectively arranged on the peripheral sides of the two ends of the shaft lever 2, the fixing seat 1 is movably sleeved at the end part of the shaft lever 2, a fixing block 27 is sleeved at the end part of the shaft lever 2 in a threaded manner, so that the fixing seat 1 is convenient to install, when the fixing seat 1 is installed, the fixing seat 1 is sleeved on the shaft lever 2, then the fixing block 27 is sleeved at the end part of the shaft lever 2 in a threaded manner, the fixing block 27 is rotated until the fixing block 27 tightly abuts against the limiting plates 26, and it is required to say that in order to facilitate the disassembly of the turbofan 5, the diameter of the smaller end of the opening of the turbofan 5 is larger than the diameter of the limiting plates 26; the section of the fixed block 27 along the vertical direction of the central axis of the shaft lever 2 is regular hexagon, and the fixed block is arranged to be regular hexagon, so that tools such as a wrench can be conveniently used for disassembly and assembly, and the fixed block is more convenient to use.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An air-cooled structure of an outer rotor motorized pulley, comprising:
the number of the fixing seats (1) is two and the fixing seats are symmetrically arranged;
the two ends of the shaft lever (2) are respectively installed with the two fixing seats (1), an air channel (21) is formed in the shaft lever (2), a plurality of air inlets (22) which are distributed in an array mode and are communicated with the air channel (21) are formed in the shaft lever (2), and a plurality of air outlets (23) which are distributed in an array mode and are communicated with the air channel (21) are formed in the shaft lever (2);
the stator assembly (3) is fixedly sleeved on the shaft rod (2), and the stator assembly (3) is positioned between the air inlet (22) and the air outlet (23);
the rotor assembly (4) is rotationally sleeved on the stator assembly (3) and the shaft lever (2);
the turbofan (5), the turbofan (5) rotates the cover and establishes on axostylus axostyle (2), turbofan (5) with one end of rotor assembly (4) is fixed, turbofan (5) with a plurality of air intake (22) are corresponding, turbofan (5) are used for with outside air is discharged the inside of air intake (22).
2. An air cooling structure of an outer rotor motorized pulley according to claim 1, characterized in that the turbofan (5) comprises a conical cylinder (51) sleeved on the shaft rod (2), one end of the conical cylinder (51) with a smaller opening is connected with the end of the rotor assembly (4), a plurality of air inlets (22) are close to one end of the conical cylinder (51) with a smaller opening, and a plurality of arc-shaped fan blades (52) distributed in an array are mounted on the inner wall of the conical cylinder (51).
3. An air cooling structure of an outer rotor motorized pulley according to claim 2, characterized in that the number of the turbo fans (5) is two, the other turbo fan (5) is connected to the other end of the rotor assembly (4), the plurality of air outlets (23) are corresponding to the smaller opening end of the other turbo fan (5), and the other turbo fan (5) is used for exhausting the air of the air outlets (23) to the outside.
4. The air cooling structure of an outer rotor motorized pulley according to claim 2, characterized in that, the two ends of the rotor assembly (4) are both fixed with a connecting sleeve (41) movably sleeved on the shaft lever (2), an annular slot (42) is formed on the inner wall of the connecting sleeve (41) facing away from one end of the rotor assembly (4), an annular inserting plate (501) is fixed on one end of the turbofan (5) with a smaller opening, the annular inserting plate (501) is movably inserted into the annular slot (42), a jack (43) is formed on the outer circumference side of the connecting sleeve (41) in a penetrating manner, a threaded hole (502) corresponding to the jack (43) is formed on the outer circumference side of the annular inserting plate (501), a screw (44) is movably inserted into the jack (43), one end of the screw (44) is in threaded connection with the threaded hole (502), and a knob (45) is fixed on the other end of the screw (44).
5. The air cooling structure of the outer rotor motorized pulley according to claim 4, characterized in that the knob (45) is provided with a cross slot (46).
6. The air cooling structure of an outer rotor motorized pulley according to claim 1, characterized in that, stator assembly (3) is including fixed cover to be established fixed lantern ring (31) on axostylus axostyle (2), be fixed with a plurality of stator core (32) that are the array distribution on the periphery side of fixed lantern ring (31), a plurality of all around being equipped with the coil on stator core (32), every U type groove (33) have all been seted up to the inside of stator core (32), U type groove (33) both ends run through the same side of stator core (32), set up a plurality of butt joint hole group one that is the array distribution on fixed lantern ring (31), a plurality of butt joint hole group one with a plurality of U type groove (33) one-to-one, butt joint hole group one includes two connecting hole (34), two connecting hole (34) all run through fixed lantern ring (31) on the stator core (32) on all around being equipped with the coil, every U type groove (33)'s inside has all been seted up, U type groove (33) both ends run through stator core (32) on same side, set up a plurality of butt joint hole group one-to-one with two holes (24) of array distribution, two groups one-to connect hole group one with two holes (24) and two corresponding two groups one-to two holes (24) are connected with one-to one hole group one.
7. An air cooling structure of an outer rotor motorized pulley according to claim 6, characterized in that a partition block (25) for partitioning the air duct (21) into two is fixed on the inner wall of the air duct (21), and the partition block (25) is located between two corresponding holes (24) on the same butt joint hole group two.
8. An air cooling structure of an outer rotor motorized pulley according to claim 1, characterized in that the orifice sides of the air inlet (22) and the air outlet (23) are provided with rounded corners.
9. The air cooling structure of the outer rotor electric roller according to claim 1, wherein two limiting plates (26) are fixedly sleeved on the shaft lever (2), the two limiting plates (26) are respectively close to two ends of the shaft lever (2), external threads are respectively arranged on outer peripheral sides of two ends of the shaft lever (2), the fixing seat (1) is movably sleeved at the end part of the shaft lever (2), and a fixing block (27) is sleeved at the end part of the shaft lever (2).
10. An air cooling structure of an outer rotor motorized pulley according to claim 9, characterized in that the section of the fixing block (27) along the vertical direction of the central axis of the shaft rod (2) is regular hexagon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211676709.4A CN116033714A (en) | 2022-12-26 | 2022-12-26 | Air cooling structure of outer rotor electric roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211676709.4A CN116033714A (en) | 2022-12-26 | 2022-12-26 | Air cooling structure of outer rotor electric roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116033714A true CN116033714A (en) | 2023-04-28 |
Family
ID=86077171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211676709.4A Pending CN116033714A (en) | 2022-12-26 | 2022-12-26 | Air cooling structure of outer rotor electric roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116033714A (en) |
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2022
- 2022-12-26 CN CN202211676709.4A patent/CN116033714A/en active Pending
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