CN204205760U - The alternating current machine of a kind of rotor and application thereof - Google Patents
The alternating current machine of a kind of rotor and application thereof Download PDFInfo
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- CN204205760U CN204205760U CN201420600423.2U CN201420600423U CN204205760U CN 204205760 U CN204205760 U CN 204205760U CN 201420600423 U CN201420600423 U CN 201420600423U CN 204205760 U CN204205760 U CN 204205760U
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- end ring
- rotor core
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Abstract
The utility model discloses the alternating current machine of a kind of rotor and application thereof, described rotor comprises rotor core, be respectively arranged with at least two end ring at the two ends of rotor core, rotor core is provided with bus, the two ends of bus connect the end ring at rotor core two ends respectively, this motor rotor construction is simple, staring torque is large, and reduce the torque pulsation of rotor, noise is little, and the heat dispersion of rotor is better, easily corrects balancing rotor.
Description
Technical field:
The utility model relates to the alternating current machine of a kind of rotor and application thereof.
Background technology:
As shown in Figure 1, the cast-aluminum rotor A2 of existing alternating current machine A1 comprises rotor core A21 and is arranged on an end ring A22 at rotor core two ends, through hole is offered in the middle of rotor core, inside through hole, bus is installed, bus two ends link together with the end ring at rotor core two ends respectively, but the cast-aluminum rotor of this structure exists following Railway Project:
1) staring torque of rotor is little, exists and starts unstable problem;
2) torque pulsation is large, and the noise of generation is large;
3) heat dispersion is poor, and is difficult to correct balancing rotor.
Summary of the invention:
The purpose of this utility model is to provide the alternating current machine of a kind of rotor and application thereof, and this motor rotor construction is simple, and staring torque is large, reduce the torque pulsation of rotor, noise is little, and the heat dispersion of rotor is better, easily corrects balancing rotor;
This ac motor structure is simple, and staring torque is large, and start steadily, vibration and the noise of complete machine are little.
The purpose of this utility model is achieved by following technical proposals.
A kind of rotor, comprise rotor core, be respectively arranged with at least two end ring distributed for the center of circle with the center of rotor core, rotor core is provided with bus at the two ends of rotor core, the two ends of bus connect the end ring at rotor core two ends respectively.
The described above end ring arranged at rotor core two ends comprises interior end ring and outer end ring, and it is peripheral that outer end ring is positioned at end ring.
Described above is provided with some reinforcements between interior end ring and outer end ring, and reinforcement becomes some mounting grooves the compartition between interior end ring and outer end ring.
End ring described above adopts copper or aluminium manufacture to form.
Rotor core described above is laminated by some rotor punchings, and in the middle of rotor punching, circumference offers some inside groove portions, and on the neighboring of rotor punching, circumference offers some water jacket portions, and bus passes in the middle of inside groove portion and water jacket portion.
The quantity in inside groove portion described above is less than the quantity in water jacket portion, and the groove area in inside groove portion is less than the groove area in water jacket portion.
Rotor punching stacked together described above is staggered at an ang up and down.
Offer axis hole in the middle of rotor punching described above, the distance at center, inside groove portion and axis hole center equals 1/1 to two/3rd of center, water jacket portion and axis hole centre distance.
Water jacket portion described above is open slot, or closed slot.
A kind of alternating current machine, comprise rotating shaft, rotor, stator and casing assembly, rotor is arranged in rotating shaft, stators and rotators is arranged on inside casing assembly, described rotor comprises rotor core, be respectively arranged with at least two end ring at the two ends of rotor core, rotor core is provided with bus, the two ends of bus connect the end ring at rotor core two ends respectively.
The utility model compared with prior art, has following effect:
1) at least two end ring distributed for the center of circle with the center of rotor core are respectively arranged with at the two ends of rotor core, rotor core is provided with bus, the two ends of bus connect the end ring at rotor core two ends respectively, described end ring comprises interior end ring and outer end ring, increase the staring torque of rotor, regulate the natural frequency of rotor, reduce moment of inertia, improve the torque pulsation because slot effect causes, thus reduce or eliminate startup noise;
2) between interior end ring and outer end ring, some reinforcements are provided with, structural strength in strengthening between end ring and outer end ring, increasing heat radiation area, reinforcement becomes some mounting grooves the compartition between interior end ring and outer end ring, inside mounting groove, convenient stickup is for correcting dynamically balanced clay or metal derby, the further dynamic balancing level improving rotor, reduces vibration and the noise of complete machine;
3) quantity in inside groove portion is less than the quantity in water jacket portion, the groove area in inside groove portion is less than the groove area in water jacket portion, can obtain larger interior end ring conductor resistance, thus better improve the startability of rotor, reduce and start noise, shorten the starting-up response time of motor;
4) offer axis hole in the middle of rotor punching, the distance at center, inside groove portion and axis hole center equals 1/1 to two/3rd of center, water jacket portion and axis hole centre distance, regulates the natural frequency of rotor, improves the torque pulsation because slot effect causes;
5) this electric machine structure is simple, and staring torque is large, and start steadily, vibration and the noise of complete machine are little.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of existing alternating current machine;
Fig. 2 is the stereogram of the utility model rotor;
Fig. 3 is the vertical view of the utility model rotor;
Fig. 4 is A-A cutaway view in Fig. 3;
Fig. 5 is the stereogram of the utility model rotor punching;
Fig. 6 is the structural representation of the utility model alternating current machine.
Embodiment:
Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.
Embodiment one: as shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the utility model is a kind of rotor, comprise rotor core 1, at least two end ring distributed for the center of circle with the center O of rotor core 1 are respectively arranged with at the two ends of rotor core 1, rotor core 1 is provided with bus 3, and the two ends of bus 3 connect the end ring at rotor core 1 two ends respectively.Described end ring comprises interior end ring 21 and outer end ring 22, and outer end ring 22 is positioned at the periphery of end ring 21.Between interior end ring 21 and outer end ring 22, be provided with some reinforcements 23, reinforcement 23 becomes some mounting grooves 24 the compartition between interior end ring 21 and outer end ring 22.End ring adopts copper or aluminium manufacture to form.
Rotor core 1 is laminated by some rotor punchings 11, some inside groove portions 111 are offered in the middle circumference of rotor punching 11, on the neighboring of rotor punching 11, circumference offers some water jacket portions 112, and bus 3 passes in the middle of inside groove portion 111 and water jacket portion 112.The quantity in inside groove portion 111 is less than the quantity in water jacket portion 112, and the groove area in inside groove portion 111 is less than the groove area in water jacket portion 112.Rotor punching about 11 stacked together is staggered at an ang.Axis hole 110 is offered in the middle of rotor punching 11, the distance L1 of inside groove portion center O1 and axis hole center O equals 1/1 to two/3rd of water jacket portion center O2 and axis hole center O distance L2, but because of the difference of motor or rotor electric property and structural function, distance L1 there will be different from the proportion of distance L2, or the proportion of distance L1 and distance L2 is not within 1/1 to two/3rd.In the present embodiment, water jacket portion 112 is open slots, but water jacket portion 112 also can adopt the structure of closed slot, and specific constructive form is not limit.
Embodiment two: as shown in Fig. 6, Fig. 2 and Fig. 4, the utility model is a kind of alternating current machine, comprise rotating shaft 4, rotor 5, stator 6 and casing assembly 7, rotor 5 is arranged in rotating shaft 4, stator 6 and rotor 5 are arranged on inside casing assembly 7, described rotor 5 comprises rotor core 1, at least two end ring distributed for the center of circle with the center O of rotor core 1 are respectively arranged with at the two ends of rotor core 1, rotor core 1 is provided with bus 3, and the two ends of bus 3 connect the end ring at rotor core 1 two ends respectively.Described end ring comprises interior end ring 21 and outer end ring 22, and outer end ring 22 is positioned at the periphery of end ring 21.Between interior end ring 21 and outer end ring 22, be provided with some reinforcements 23, reinforcement 23 becomes some mounting grooves 24 the compartition between interior end ring 21 and outer end ring 22.End ring adopts copper or aluminium manufacture to form.
Above embodiment is better embodiment of the present invention; but embodiments of the present invention are not limited thereto; other are any do not deviate from Spirit Essence of the present invention and principle under do change, modification, substitute, combine, simplify; be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. a rotor, comprise rotor core (1), it is characterized in that: being respectively arranged with at least two at the two ends of rotor core (1) with the center of rotor core (1) is the end ring that the center of circle distributes, rotor core (1) is provided with bus (3), and the two ends of bus (3) connect the end ring at rotor core (1) two ends respectively.
2. a kind of rotor according to claim 1, it is characterized in that: the end ring arranged at rotor core (1) two ends comprises interior end ring (21) and outer end ring (22), it is peripheral that outer end ring (22) is positioned at end ring (21).
3. a kind of rotor according to claim 2, it is characterized in that: between interior end ring (21) and outer end ring (22), be provided with some reinforcements (23), reinforcement (23) becomes some mounting grooves (24) the compartition between interior end ring (21) and outer end ring (22).
4. a kind of rotor according to claim 1 or 2 or 3, is characterized in that: end ring adopts copper or aluminium manufacture to form.
5. a kind of rotor according to claim 4, it is characterized in that: described rotor core (1) is laminated by some rotor punchings (11), in the middle of rotor punching (11), circumference offers some inside groove portions (111), on the neighboring of rotor punching (11), circumference offers some water jacket portions (112), and bus (3) passes in the middle of inside groove portion (111) and water jacket portion (112).
6. a kind of rotor according to claim 5, it is characterized in that: the quantity of inside groove portion (111) is less than the quantity of water jacket portion (112), the groove area of inside groove portion (111) is less than the groove area of water jacket portion (112).
7. a kind of rotor according to claim 6, is characterized in that: rotor punching (11) stacked together is staggered at an ang up and down.
8. a kind of rotor according to claim 5 or 6 or 7, it is characterized in that: offer axis hole (110) in the middle of rotor punching (11), center, inside groove portion (O1) and the distance (L1) at axis hole center (O) equal center, water jacket portion (O2) and 1/1 to two/3rd of axis hole center (O) distance (L2).
9. a kind of rotor according to claim 5 or 6 or 7, is characterized in that: water jacket portion (112) are open slots, or closed slot.
10. an alternating current machine, comprise rotating shaft (4), rotor (5), stator (6) and casing assembly (7), rotor (5) is arranged in rotating shaft (4), stator (6) and rotor (5) are arranged on casing assembly (7) the inside, it is characterized in that: described rotor (5) is the structure of claim 1 to 9 described by any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420600423.2U CN204205760U (en) | 2014-10-16 | 2014-10-16 | The alternating current machine of a kind of rotor and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420600423.2U CN204205760U (en) | 2014-10-16 | 2014-10-16 | The alternating current machine of a kind of rotor and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204205760U true CN204205760U (en) | 2015-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420600423.2U Active CN204205760U (en) | 2014-10-16 | 2014-10-16 | The alternating current machine of a kind of rotor and application thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN204205760U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106395266A (en) * | 2015-07-29 | 2017-02-15 | 株式会社村田制作所 | Electronic component transmission bench, feature testing device, sorting device and braiding device |
| CN109599999A (en) * | 2017-09-30 | 2019-04-09 | 上海蔚兰动力科技有限公司 | For assembling the mounting device and assemble method of a rotor |
-
2014
- 2014-10-16 CN CN201420600423.2U patent/CN204205760U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106395266A (en) * | 2015-07-29 | 2017-02-15 | 株式会社村田制作所 | Electronic component transmission bench, feature testing device, sorting device and braiding device |
| CN106395266B (en) * | 2015-07-29 | 2019-03-22 | 株式会社村田制作所 | Electronic component transfer station, characteristic detecting apparatus, sorting unit and belt-braiding device |
| CN109599999A (en) * | 2017-09-30 | 2019-04-09 | 上海蔚兰动力科技有限公司 | For assembling the mounting device and assemble method of a rotor |
| CN109599999B (en) * | 2017-09-30 | 2024-03-15 | 蔚然（南京）动力科技有限公司 | Mounting device for assembling a motor rotor and assembling method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |