CN205453442U - Single, three -phase copper rotor asynchronous motor - Google Patents
Single, three -phase copper rotor asynchronous motor Download PDFInfo
- Publication number
- CN205453442U CN205453442U CN201620135512.3U CN201620135512U CN205453442U CN 205453442 U CN205453442 U CN 205453442U CN 201620135512 U CN201620135512 U CN 201620135512U CN 205453442 U CN205453442 U CN 205453442U
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- rotor
- asynchronous motor
- copper
- punching
- phase copper
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Abstract
The utility model discloses a single, three -phase copper rotor asynchronous motor, its technical scheme main points are: include and pile up the rotor body who forms by a plurality of rotor punchings, be equipped with knot point on the circumference of rotor punching, the equipartition has the slotted hole on the outer circumference of rotor punching, and the slotted hole in each rotor punching is folded mutually and is formed the die -casting groove, be equipped with the opening on the die -casting groove, die -casting has the copper bar in the die -casting groove, rotor body's both ends are equipped with the end links of being in the same place with copper bar die -casting.
Description
Technical field
This utility model relates to electric motors, particularly to one list, three-phase copper rotor asynchronous motor.
Background technology
Motor is widely used in daily production, and rotor is the rotary part in motor, and it is used for the conversion realizing between electric energy and mechanical energy and mechanical energy and electric energy.Rotor is formed by multiple rotor punchings stacking, and wherein rotor punching is provided with groove, in a groove can coiling or carry out cast aluminium.
At present, notification number is that the Chinese patent of CN202309270U discloses a kind of apparatus for cast-aluminium rotor of electric machine, including the rotor body stacked by multiple rotor punchings, the outer of rotor body is provided with slotted eye, in described slotted eye, die casting has aluminum, the neat degree stacked due to each rotor punching will influence whether the quality of cast aluminium, therefore now with a kind of cast-aluminum rotor, it is neat that rotor punching therein can be provided with button promise punching stacking on punching body, thus ensure that cast aluminium quality improves electric efficiency, but owing to the electrical loss of aluminum is big, therefore electric efficiency is the highest.
Utility model content
The deficiency existed for prior art, the purpose of this utility model is to provide a kind of electric efficiency height, little single, three-phase copper rotor asynchronous motor is lost.
Above-mentioned technical purpose of the present utility model has the technical scheme that a kind of single, three-phase copper rotor asynchronous motor, including the rotor body stacked by multiple rotor punchings, the circumference of described rotor punching is provided with button point, it is evenly equipped with slotted eye on the excircle of described rotor punching, slotted eye in each rotor punching is stacked formation coined groove, described coined groove is provided with opening, in described coined groove, die casting has copper bar, the two ends of described rotor body to be provided with the end ring together with copper bar die casting.
nullBy above-mentioned setting，Button point between each rotor punching is mutually aligned windrow of going forward side by side and folds，Button is selected and is made the location between two rotor punchings more accurate，It is not easy in following process produce to separate after rotor punching heap is folded misplace and the flatness of image rotor punching simultaneously，Ensure the quality of the rotor body that heap folds，It is different from traditional cast aluminium mode，Cast copper can reduce the energy loss of rotor body，The electric conductivity of copper is higher by about 40% than aluminum，Copper casting rotor can make list、The total losses of three-phase copper rotor asynchronous motor are remarkably decreased，Improve electric efficiency，The heat that copper produces simultaneously is little，So that rotor and stator coil operating temperature reduce，Improve the service life of motor，Herein for producing the defects such as pore when avoiding cast copper，Coined groove is provided with opening，When cast copper，Opening may be used for the air in drain tank and for dispelling the heat，Ensure that cast copper pouring is complete，Improve the quality of rotor，Improve electric efficiency.
Preferably, described end ring is provided with some fan blades.
By above-mentioned setting, owing to motor can produce substantial amounts of heat during high speed rotating, thus affect the life-span of motor, increase the loss of motor, fan blade can produce wind-force during motor rotates and take away the heat of motor, to electric motor temperature reduction, thus ensures the work efficiency of motor.
Preferably, described fan blade is perpendicular to the cross section of its short transverse is that sector is arranged.
By above-mentioned setting, be equivalent to the two sides of fan blade all to interior to inclination, so on fan blade, one end width away from rotor body center is big, the least the closer to its width of rotor body center, when fan blade rotates, the fan-shaped fan blade arranged can increase the wind-force of centrifugal eddy current, thus enhances radiating effect.
Preferably, described end ring is provided with some balance columns, and described balance columns is uniformly between adjacent two fan blades.
By above-mentioned setting, after copper casting rotor has produced, can to its being balanced property detect, when find copper casting rotor balance defective time, can on balance columns sheathed pad, then detecting, if copper casting rotor has balanced, inwardly strike pressure balanced post and make it deform, pad can be fixed after balance columns deformation, thus realize the balance of copper casting rotor, effectively prevent rotor from producing vibration because its balance is bad, thus produce noise.
Preferably, the excircle of described rotor punching being evenly equipped with 26 slotted eyes, the outer diameter A of described rotor body is 98mm, and the diameter B that rotor body is positioned at slotted eye bottom is 60mm.
By above-mentioned setting, on the quantity of slotted eye, the outer diameter A of rotor body and rotor body, size quantitative relation between the diameter B three of slotted eye bottom can affect the efficiency of motor, in the relation ensured while rotor body intensity between reasonable distribution three, it is ensured that the efficiency of rotor.
Preferably, the center of described rotor punching is provided with through hole, and the outer rim of described through hole is evenly equipped with two stopper slots.
By above-mentioned setting, the through hole between rotor punching is used for grafting machine shaft, and two stopper slots can make machine shaft and rotor punching carry out card and fetch transmission moment of torsion, and two the most symmetrical stopper slots ensure that the stability that moment of torsion transmits.
In sum, this utility model in contrast to prior art have the beneficial effect that by offer in coined groove opening and in coined groove cast copper improve the work efficiency of rotor, reduce motor power loss.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment；
Fig. 2 is the structural representation of embodiment rotor body；
Fig. 3 is the structural representation that multiple rotor punching stacks mutually；
Fig. 4 is the structural representation of single rotor punching.
Reference: 1, rotor body；2, rotor punching；3, button point；4, slotted eye；5, coined groove；6, copper bar；7, opening；8, end ring；9, fan blade；10, balance columns；11, through hole；12, stopper slot;13, motor housing.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.
nullList as described in attached Fig. 1 and 2、Three-phase copper rotor asynchronous motor，Including being installed on motor housing 13 and by the rotor body 1 of multiple rotor punchings 2 stacking，The circumference of described rotor punching 2 is provided with button point 3，It is evenly equipped with slotted eye 4 on the excircle of described rotor punching 2，Slotted eye 4 in each rotor punching 2 is stacked formation coined groove 5，Described coined groove 5 is provided with opening 7，In described coined groove 5, die casting has copper bar 6，The two ends of described rotor body 1 are provided with the end ring 8 together with copper bar 6 die casting，Button point 3 between each rotor punching 2 is mutually aligned windrow of going forward side by side and folds，Button selects 3 makes the location between two rotor punchings 2 more accurate，It is not easy in following process produce to separate after rotor punching 2 heap is folded misplace and the flatness of image rotor punching 2 simultaneously，Ensure the quality of the rotor body 1 that heap folds，It is different from traditional cast aluminium mode，Cast copper can reduce the energy loss of rotor body 1，The electric conductivity of copper is higher by about 40% than aluminum，Copper casting rotor can make list、The total losses of three-phase copper rotor asynchronous motor are remarkably decreased，Improve electric efficiency，The heat that copper produces simultaneously is little，So that rotor and stator coil operating temperature reduce，Improve the service life of motor，Herein for producing the defects such as pore when avoiding cast copper，Coined groove 5 is provided with opening 7，When cast copper，Opening 7 may be used for the air in drain tank and for dispelling the heat，Ensure that cast copper pouring is complete，Improve the quality of rotor，Improve electric efficiency.
See accompanying drawing 1, described end ring 8 is provided with some fan blades 9, owing to motor can produce substantial amounts of heat during high speed rotating, thus affect the life-span of motor, increase the loss of motor, fan blade 9 can produce wind-force during motor rotates and take away the heat of motor, to electric motor temperature reduction, thus ensures the work efficiency of motor.Wherein, the cross section that described fan blade 9 is perpendicular to its short transverse is that sector is arranged, be equivalent to the two sides of fan blade 9 all to interior to inclination, so big away from one end width at rotor body 1 center on fan blade 9, the least the closer to its width of rotor body 1 center, when fan blade 9 rotates, the fan-shaped fan blade 9 arranged can increase the wind-force of centrifugal eddy current, thus enhances radiating effect.Wherein, described end ring 8 is provided with some balance columns 10, described balance columns 10 is uniform between adjacent two fan blades 9, after copper casting rotor has produced, its being balanced property can be detected, when the balance finding copper casting rotor is defective, can on balance columns 10 sheathed pad, then detecting, if copper casting rotor has balanced, inwardly strike pressure balanced post 10 and make it deform, pad can be fixed after balance columns 10 deformation, thus realize the balance of copper casting rotor, effectively prevent rotor from producing vibration because its balance is bad, thus produce noise.
See accompanying drawing 3,26 slotted eyes 4 it are evenly equipped with on the excircle of described rotor punching 2, the outer diameter A of described rotor body 1 is 98mm, the diameter B being positioned at slotted eye 4 bottom on rotor body 1 is 60mm, on the quantity of slotted eye 4, the outer diameter A of rotor body 1 and rotor body 1, size quantitative relation between the diameter B three of slotted eye 4 bottom can affect the efficiency of motor, in the relation ensured while rotor body 1 intensity between reasonable distribution three, it is ensured that the efficiency of rotor.Wherein, the center of described rotor punching 2 is provided with through hole 11, the outer rim of described through hole 11 is evenly equipped with two stopper slots 12, through hole 11 between rotor punching 2 is for grafting machine shaft, two stopper slots 12 can make machine shaft and rotor punching 2 carry out card and fetch transmission moment of torsion, and two the most symmetrical stopper slots 12 ensure that the stability that moment of torsion transmits.
The above is only exemplary embodiment of the present utility model, and not for limiting protection domain of the present utility model, protection domain of the present utility model is determined by appended claim.
Claims (6)
1. a list, three-phase copper rotor asynchronous motor, including the rotor body (1) stacked by multiple rotor punchings (2), the circumference of described rotor punching (2) is provided with button point (3), slotted eye (4) it is evenly equipped with on the excircle of described rotor punching (2), slotted eye (4) in each rotor punching (2) is stacked formation coined groove (5), it is characterized in that: described coined groove (5) is provided with opening (7), in described coined groove (5), die casting has copper bar (6), the two ends of described rotor body (1) to be provided with the end ring (8) together with copper bar (6) die casting.
Single, three-phase copper rotor asynchronous motor the most according to claim 1, is characterized in that: described end ring (8) is provided with some fan blades (9).
Single, three-phase copper rotor asynchronous motor the most according to claim 2, is characterized in that: it is that sector is arranged that described fan blade (9) is perpendicular to the cross section of its short transverse.
Single, three-phase copper rotor asynchronous motor the most according to claim 3, is characterized in that: described end ring (8) is provided with some balance columns (10), and described balance columns (10) is positioned between adjacent two fan blades (9) uniformly.
5. according to single, the three-phase copper rotor asynchronous motor described in claim 1 or 4, it is characterized in that: on the excircle of described rotor punching (2), be evenly equipped with 26 slotted eyes (4), the outer diameter A of described rotor body (1) is 98mm, and the diameter B that rotor body (1) is positioned at slotted eye (4) bottom is 60mm.
6. according to single, the three-phase copper rotor asynchronous motor described in claim 1 or 4, it is characterized in that: the center of described rotor punching (2) is provided with through hole (11), the outer rim of described through hole (11) is evenly equipped with two stopper slots (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620135512.3U CN205453442U (en) | 2016-02-23 | 2016-02-23 | Single, three -phase copper rotor asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620135512.3U CN205453442U (en) | 2016-02-23 | 2016-02-23 | Single, three -phase copper rotor asynchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205453442U true CN205453442U (en) | 2016-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620135512.3U Active CN205453442U (en) | 2016-02-23 | 2016-02-23 | Single, three -phase copper rotor asynchronous motor |
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| Country | Link |
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| CN (1) | CN205453442U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105471138A (en) * | 2015-12-28 | 2016-04-06 | 天津中科华瑞电气技术开发有限公司 | Rotor for submerged motor |
-
2016
- 2016-02-23 CN CN201620135512.3U patent/CN205453442U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105471138A (en) * | 2015-12-28 | 2016-04-06 | 天津中科华瑞电气技术开发有限公司 | Rotor for submerged motor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |