CN204652068U - Rotor punching, rotor core, rotor and the motor for air-conditioning fan - Google Patents
Rotor punching, rotor core, rotor and the motor for air-conditioning fan Download PDFInfo
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- CN204652068U CN204652068U CN201520320623.7U CN201520320623U CN204652068U CN 204652068 U CN204652068 U CN 204652068U CN 201520320623 U CN201520320623 U CN 201520320623U CN 204652068 U CN204652068 U CN 204652068U
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Abstract
The utility model is applicable to machine field, provide rotor punching, rotor core, rotor and the motor for air-conditioning fan, wherein, rotor punching comprises punching body, punching body is provided with the hollow endoporus that wears for rotating shaft and several are along the outward flange of the punching body punching groove recessed towards side, hollow endoporus place, the quantity of punching groove is 33, and punching body is also provided with several ventilating heat dissipating holes between hollow endoporus and punching groove.The utility model, by being optimized design to rotor punching, the magnetic improving on the one hand motor is close, makes the close distribution of the magnetic of rotor teeth portion more reasonable, thus make rotor and the close collocation of stator magnet more reasonable, and then be beneficial to the noise and vibration that reduce motor; Decrease the raw material usage of motor on the other hand, reduce the cost of motor; Improve the radiating effect of rotor more on the one hand, reduce the temperature rise of rotor, extend the useful life of motor.
Description
Technical field
The utility model belongs to machine field, particularly relates to rotor punching, the rotor core be made up of this rotor punching, has the rotor of this rotor core and have the motor for air-conditioning fan of this rotor.
Background technology
In existing a kind of fan motor of air conditioner, the partial parameters of its rotor punching is: the outside diameter of rotor punching is 61mm ~ 63mm, the interior circular diameter of hollow endoporus is 8.05mm ~ 15mm, the quantity of punching groove is 26, and the air conditioner fan motor adopting this rotor punching to make has the following disadvantages in a particular application:
1) the close distribution of teeth portion magnetic of rotor is reasonable not, thus makes rotor and the close collocation of stator magnet reasonable not, and then makes the operation noise of motor and vibrate all larger.
2) poor, the temperature rise of the radiating effect of rotor, has had a strong impact on the useful life of motor.
3) raw material usage of rotor is many, cost is high.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, provide rotor punching, rotor core, rotor and the motor for air-conditioning fan, which solve and produce the close irrational distribution of rotor teeth portion magnetic because the design of existing air conditioner fan motor rotor lamination structure is unreasonable, motor oscillating is large, motor noise is large, motor useful life is low, motor material cost is high technical problem.
For achieving the above object, the technical solution adopted in the utility model is: rotor punching, comprise punching body, described punching body is provided with the hollow endoporus that wears for rotating shaft and several are along the outward flange of the described punching body punching groove recessed towards side, described hollow endoporus place, the quantity of described punching groove is 33, and described punching body is also provided with several ventilating heat dissipating holes between described hollow endoporus and described punching groove.
Preferably, the outside diameter of described punching body is 60mm-68mm, and the diameter of described hollow endoporus is 6mm-22mm.
More preferably, the outside diameter of described punching body is 64mm-68mm, and the diameter of described hollow endoporus is 6mm-8mm.
Preferably, described punching groove is round bottomed vessel, it comprises near the outer peripheral notch of described punching body, take on away from the outer peripheral bottom land of described punching body, groove between described notch and described bottom land and take on the cell body between described bottom land at described groove, and described bottom land has the lower arcuate surface of close described hollow endoporus.
Preferably, described notch extends towards described groove shoulder side, place from the outer edge of described punching body to wait form of width, and the width that described notch extends along described punching body circumference is 0.4mm ~ 1.0mm, the height that described notch extends along described punching body radial direction is 0.5mm ~ 1.0mm.
Preferably, described groove shoulder becomes large form from side, described notch place gradually with width and rolls tiltedly extension towards described cell body place, the width extended along described punching body circumference near one end of described cell body of described groove shoulder is 2.0mm ~ 3.72mm, and the height that described groove shoulder extends along described punching body radial direction is 0.4mm ~ 1.0mm.
Preferably, the form that described cell body diminishes from described groove shoulder side, place gradually with width rolls tiltedly extension towards described bottom land place, and the height that described cell body extends along described punching body radial direction is 6.0mm ~ 7.7mm; The radius of described lower arcuate surface is 0.5mm ~ 1.0mm.
Further, the utility model additionally provides rotor core, and it is overrided to form by multiple above-mentioned rotor punching.
Further, the utility model additionally provides rotor, it rotating shaft comprising above-mentioned rotor core, be located at the rotor windings on described rotor core and be arranged in inside described rotor core.
Further, the utility model additionally provides the motor for air-conditioning fan, it stator comprising above-mentioned rotor and coordinate with described rotor turns.
The rotor punching that the utility model provides, rotor core, rotor and the motor for air-conditioning fan, by the punching groove quantity of rotor punching is increased to 33, and set up ventilating heat dissipating hole between punching groove and hollow endoporus, thus reach the object optimizing rotor punching structure.It is compared with existing air conditioner fan motor, there is following beneficial effect: the magnetic 1) improving motor is close, make the close distribution of the magnetic of rotor teeth portion more reasonable, thus make rotor and the close collocation of stator magnet more reasonable, and then effectively reduce noise and the vibration of motor; 2) improve the radiating effect of rotor, reduce the temperature rise of rotor, extend the useful life of motor; 3) decrease the raw material usage of motor, reduce the cost of motor.
Accompanying drawing explanation
Fig. 1 is the structural representation of the rotor punching that the utility model embodiment provides;
Fig. 2 is the structural representation of the punching groove that the utility model embodiment provides.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
It should be noted that, when an element is described on " being fixed on " or " being arranged at " another element, it can directly on another element or may there is centering elements simultaneously.Be described to be " connection " another element when an element, it can be directly connect another element or may there is centering elements simultaneously.
Also it should be noted that, the orientation term such as left and right, upper and lower, the top in following examples, end, is only relative concept or be reference with the normal operating condition of product each other, and should not be regarded as have restrictive.
As depicted in figs. 1 and 2, the rotor punching 1 that the utility model embodiment provides, comprise punching body 11, punching body 11 is provided with the hollow endoporus 12 that wears for rotating shaft (not shown) and several are along the outward flange of the punching body 11 punching groove 13 recessed towards side, hollow endoporus 12 place, the quantity of punching groove 13 is 33, each punching groove 13 is circumferentially evenly spacedly distributed, and punching body 11 is also provided with several ventilating heat dissipating holes 14, ventilating heat dissipating hole 14 along the radial direction of punching body 11 between hollow endoporus 12 and punching groove 13.In motor operation course, air can flow in ventilating heat dissipating hole 14, thus is beneficial to distributing of heat on rotor.The rotor punching 1 that the present embodiment provides, by punching groove 13 quantity of rotor punching 1 is increased to 33, and ventilating heat dissipating hole 14 is set up between punching groove 13 and hollow endoporus 12, the magnetic improving motor is close, make the close distribution of the magnetic of rotor teeth portion 112 more reasonable, thus make rotor and the close collocation of stator magnet more reasonable, and then be beneficial to the noise and vibration that reduce motor, and decrease the raw material usage of motor, reduce the cost of motor; Meanwhile, the setting of ventilating heat dissipating hole 14 also effectively improves the radiating effect of rotor, reduces the temperature rise of rotor, extends the useful life of motor.
Preferably, the outside diameter D1 of punching body 11 is 60mm-68mm, the diameter D2 of hollow endoporus 12 is 6mm-22mm, within the scope of this parameter designing, punching groove 13 quantity of rotor punching 1 is set to 33, and ventilating heat dissipating hole 14 is set up between punching groove 13 and hollow endoporus 12, all can reach and improve the object that motor magnetic is close, reduce motor noise, reduce motor oscillating, reduce motor cost, improve rotor dispersing thermal effect, reduce rotor temperature rise, extend motor useful life.
More preferably, the outside diameter D1 of punching body 11 is 64mm-68mm, and the diameter D2 of hollow endoporus 12 is 6mm-8mm.It is compared with the rotor punching 1 of existing air conditioner fan motor, increase the outside diameter D1 of punching body 11, reduce the diameter D2 of hollow endoporus 12, thus being more conducive to the increase design of punching groove 13 quantity and setting up of ventilating heat dissipating hole 14, the improvement motor magnetic that it obtains is close, reduce motor noise, reduce motor oscillating, reduce motor cost, improve rotor dispersing thermal effect, reduce rotor temperature rise, to extend the effect in motor useful life particularly remarkable.
Particularly, punching body 11 comprises circular yoke portion 111 and several intervals and is convexly equipped in teeth portion 112 on yoke portion 111 outer wall, a punching groove 13 is all formed between arbitrary neighborhood two teeth portion 112, hollow endoporus 12 and ventilating heat dissipating hole 14 run through all to be vertically located in yoke portion 111, and hollow endoporus 12 is positioned at the center position in yoke portion 111, each ventilating heat dissipating hole 14 is circumferentially around the periphery being arranged at hollow endoporus 12.
Preferably, punching groove 13 is round bottomed vessel, it comprises near the outer peripheral notch of punching body 11 131, to take on 133 and take on the cell body 134 between 133 and bottom land 132 at groove away from the outer peripheral bottom land 132 of punching body 11, groove between notch 131 and bottom land 132, and bottom land 132 has the lower arcuate surface 1321 of close hollow endoporus 12.The present embodiment, is optimized design by the shape of the film trap 13 that liquidates, and the close distribution of rotor teeth portion 112 magnetic can be made more to rationalize, thus is beneficial to the vibration and noise that reduce motor; And be beneficial to the raw material usage reducing winding and iron core, and then be beneficial to the cost reducing motor.
Preferably, notch 131 extends from the outer edge of punching body 11 to wait form of width to take on 133 sides, place towards groove, namely notch 131 is the straight trough mouth 131 that width is equal, and the width L1 that notch 131 extends along punching body 11 circumference is 0.4mm ~ 1.0mm, the height H 1 that notch 131 extends along punching body 11 radial direction is 0.5mm ~ 1.0mm.Herein, by being optimized design to notch 131, the vibration and noise that reduce motor can being beneficial to, and being beneficial to the temperature rise reducing motor, thus being beneficial to the useful life extending motor.
Preferably, groove shoulder 133 becomes large form from side, notch 131 place gradually with width and rolls tiltedly extension towards cell body 134 place, namely groove shoulder 133 is the skewed slot shoulder 133 that width does not wait, the width L2 extended along punching body 11 circumference near one end of cell body 134 of groove shoulder 133 is 2.0mm ~ 3.72mm, and the height H 2 that groove shoulder 133 extends along punching body 11 radial direction is 0.4mm ~ 1.0mm.Herein, by being optimized design to groove shoulder 133, the vibration and noise that reduce motor can being beneficial to, and being beneficial to the efficiency improving motor.
Preferably, cell body 134 is takeed on from groove form that 133 sides, place diminish gradually with width and to be rolled towards bottom land 132 place and tiltedly extend, and namely cell body 134 be the skewed slot body 134 that width does not wait, and cell body 134 is 6.0mm ~ 7.7mm along the height H 3 of the radial extension of punching body 11; The radius R 1 of lower arcuate surface 1321 is 0.5mm ~ 1.0mm.Herein, by being optimized design to cell body 134 and bottom land 132, can being beneficial on the one hand and improving the close distribution of rotor teeth portion 112 magnetic; Raising electric efficiency can be beneficial on the other hand.
Preferably, in order to optimize the structure of rotor punching 1 further, the intersection that notch 131 and groove take ons 133 is also provided with the First Transition fillet that radius R 2 be 0.2mm, groove take on 133 and the intersection of cell body 134 be also provided with the second knuckle that radius R 3 is 0.2mm.
Preferably, ventilating heat dissipating hole 14 is circular port, and its structure is simple, be easy to manufacture.Of course, in embody rule, the shape of ventilating heat dissipating hole 14 also can be set to other form, as polygonal hole, arcuate socket, slotted eye, semi-circular hole etc.
Preferably, the quantity of ventilating heat dissipating hole 14 is 2 ~ 10, as a better embodiment of the present embodiment, the quantity of ventilating heat dissipating hole 14 is four, the circular port of each ventilating heat dissipating hole 14 to be all diameter D3 be 8mm, and four ventilating heat dissipating holes 14 are circumferentially evenly spacedly distributed in the yoke portion 111 of punching body 11, like this, both can prevent ventilating heat dissipating hole 14 pairs of magnetic circuits from having an impact, the area of ventilating heat dissipating hole 14 can be made again to maximize, and its combination property is good.
Preferably, punching body 11 is also provided with several button wedges 15, when multiple rotor punching 1 is laminated form rotor core time, connect by each button wedge 15 buckle between each adjacent rotor punching 1, thus be beneficial to improve each rotor punching 1 in conjunction with reliability.Particularly, the quantity of button wedge 15 can be 2 ~ 10, and as a better embodiment of the present embodiment, the quantity of button wedge 15 is four, four button wedges 15 are circumferentially evenly spacedly distributed in the yoke portion 111 of punching body 11, and each button wedge 15 is circumferentially alternately distributed with each ventilating heat dissipating hole 14.
As a better embodiment of the utility model embodiment, each dimensional parameters in rotor punching 1 is as follows respectively: the quantity of punching groove 13 is 33, and the outside diameter D1 of punching body 11 is 64mm, and the diameter D2 of hollow endoporus 12 is 8mm; The quantity of ventilating heat dissipating hole 14 is four, and each ventilating heat dissipating hole 14 is all diameter D3 is the circular port of 8mm; The width L1 of notch 131 is 0.69mm, the height H 1 of notch 131 is 0.82mm, and the width L2 of one end near cell body 134 of groove shoulder 133 is 2.86mm, and the height H 2 of groove shoulder 133 is 0.67mm, the height H 3 of cell body 134 is 6.46mm, and the radius R 1 of bottom land 132 is 0.81mm.Adopt the dimensional parameters of the present embodiment rotor punching 1, obtainable to improve motor magnetic close, reduces motor noise, reduces motor oscillating, improves rotor dispersing thermal effect, reduces rotor temperature rise, extends motor useful life, to reduce the effect of motor cost particularly remarkable.
Further, the utility model embodiment still provides rotor core, and it is overrided to form by multiple above-mentioned rotor punching 1.The rotor core that the present embodiment provides, forms owing to have employed the manufacture of above-mentioned rotor punching 1, therefore, improve the distribution that rotor core teeth portion 112 magnetic is close, improve the radiating effect that motor runs rotor iron core, reduce the temperature rise of rotor core; And under the prerequisite meeting equivalent motor performance requirement, decrease the raw material usage of rotor core, reduce the material cost of rotor core.
Further, the utility model embodiment still provides rotor, it rotating shaft (not shown) comprising above-mentioned rotor core, be located at the rotor windings (not shown) on rotor core and be arranged in inside rotor core, rotor core is specifically installed in rotating shaft by hollow endoporus 12 is sheathed.The rotor that the present embodiment provides, owing to have employed above-mentioned rotor core, therefore, improve the close distribution of rotor teeth portion 112 magnetic on the one hand; Improve the radiating effect in rotor rotation process on the other hand, reduce the temperature rise in rotor operation process, thus be beneficial to the useful life of Extending Rotor; Again on the one hand under the prerequisite meeting equivalent motor performance requirement, decrease the raw material usage of rotor core and rotor windings, reduce the manufacturing cost of rotor.
Preferably, the rotor of the present embodiment is cage rotor, and namely rotor windings is squirrel-cage winding, and squirrel-cage winding is specially and is formed by aluminium casting, and its structure is simple, cheap, sturdy and durable, easy to maintenance.
Further, the utility model embodiment still provides the motor for air-conditioning fan, it stator (not shown) comprising above-mentioned rotor and coordinate with rotor turns.The motor for air-conditioning fan that the present embodiment provides, be specially inner rotor motor, namely rotor is arranged in the inner side of stator; It is owing to have employed above-mentioned rotor, therefore, have simple and reasonable, the close distribution of motor magnetic is reasonable, motor oscillating is little, motor noise is little, good heat dissipation effect, temperature rise is low, cost is low feature, thus is beneficial to the combination property promoting air-conditioning fan.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace or improvement etc., all should be included within protection range of the present utility model.
Claims (10)
1. rotor punching, comprise punching body, described punching body is provided with the hollow endoporus that wears for rotating shaft and several are along the outward flange of the described punching body punching groove recessed towards side, described hollow endoporus place, it is characterized in that: the quantity of described punching groove is 33, and described punching body is also provided with several ventilating heat dissipating holes between described hollow endoporus and described punching groove.
2. rotor punching as claimed in claim 1, it is characterized in that: the outside diameter of described punching body is 60mm-68mm, the diameter of described hollow endoporus is 6mm-22mm.
3. rotor punching as claimed in claim 2, it is characterized in that: the outside diameter of described punching body is 64mm-68mm, the diameter of described hollow endoporus is 6mm-8mm.
4. the rotor punching as described in any one of claims 1 to 3, it is characterized in that: described punching groove is round bottomed vessel, it comprises near the outer peripheral notch of described punching body, take on away from the outer peripheral bottom land of described punching body, groove between described notch and described bottom land and take on the cell body between described bottom land at described groove, and described bottom land has the lower arcuate surface of close described hollow endoporus.
5. rotor punching as claimed in claim 4, it is characterized in that: described notch extends towards described groove shoulder side, place from the outer edge of described punching body to wait form of width, and the width that described notch extends along described punching body circumference is 0.4mm ~ 1.0mm, the height that described notch extends along described punching body radial direction is 0.5mm ~ 1.0mm.
6. rotor punching as claimed in claim 5, it is characterized in that: described groove shoulder becomes large form from side, described notch place gradually with width and rolls tiltedly extension towards described cell body place, the width extended along described punching body circumference near one end of described cell body of described groove shoulder is 2.0mm ~ 3.72mm, and the height that described groove shoulder extends along described punching body radial direction is 0.4mm ~ 1.0mm.
7. rotor punching as claimed in claim 6, it is characterized in that: the form that described cell body diminishes from described groove shoulder side, place gradually with width rolls tiltedly extension towards described bottom land place, and the height that described cell body extends along described punching body radial direction is 6.0mm ~ 7.7mm; The radius of described lower arcuate surface is 0.5mm ~ 1.0mm.
8. rotor core, is characterized in that: be overrided to form by multiple rotor punching as described in any one of claim 1 ~ 7.
9. rotor, is characterized in that: the rotating shaft comprising rotor core as claimed in claim 8, be located at the rotor windings on described rotor core and be arranged in inside described rotor core.
10. for the motor of air-conditioning fan, it is characterized in that: the stator comprising rotor as claimed in claim 9 and coordinate with described rotor turns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520320623.7U CN204652068U (en) | 2015-05-18 | 2015-05-18 | Rotor punching, rotor core, rotor and the motor for air-conditioning fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520320623.7U CN204652068U (en) | 2015-05-18 | 2015-05-18 | Rotor punching, rotor core, rotor and the motor for air-conditioning fan |
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| Publication Number | Publication Date |
|---|---|
| CN204652068U true CN204652068U (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520320623.7U Active CN204652068U (en) | 2015-05-18 | 2015-05-18 | Rotor punching, rotor core, rotor and the motor for air-conditioning fan |
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| CN (1) | CN204652068U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849418A (en) * | 2017-03-16 | 2017-06-13 | 宁波莱堡制冷设备有限公司 | A kind of rotor punching and the method that cast-aluminum rotor is produced using the punching |
-
2015
- 2015-05-18 CN CN201520320623.7U patent/CN204652068U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849418A (en) * | 2017-03-16 | 2017-06-13 | 宁波莱堡制冷设备有限公司 | A kind of rotor punching and the method that cast-aluminum rotor is produced using the punching |
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