CN204706972U - A kind of freezer compressor coiling induction electromotor rotor - Google Patents
A kind of freezer compressor coiling induction electromotor rotor Download PDFInfo
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- CN204706972U CN204706972U CN201520327380.XU CN201520327380U CN204706972U CN 204706972 U CN204706972 U CN 204706972U CN 201520327380 U CN201520327380 U CN 201520327380U CN 204706972 U CN204706972 U CN 204706972U
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Abstract
The utility model discloses a kind of freezer compressor coiling induction electromotor rotor, comprise internal rotor and external rotor, internal rotor is arranged in external rotor, internal rotor comprises internal rotor punching and internal rotor winding, internal rotor punching laminates and forms internal rotor body, external rotor comprises external rotor punching and external rotor winding, external rotor punching laminates and forms external rotor body, internal rotor punching shape ringwise, the medium position of internal rotor punching offers rotor shaft hatch, the excircle of internal rotor punching is provided with internal rotor yoke portion, internal rotor yoke portion is around being circumferentially with interior winding slot, external rotor punching shape ringwise, the medium position of external rotor punching offers external rotor hole, external rotor punching is provided with external rotor yoke portion, external rotor yoke portion is around being circumferentially with outer winding slot.The mode that this rotor adopts internal rotor and external rotor to combine, not only can improve the transmission capacity of motor torque, and can improve the transmission stability of motor torque, thus effectively improve the operating efficiency of motor.
Description
Technical field
The utility model relates to a kind of freezer compressor coiling induction electromotor rotor.
Background technology
Along with the quickening of global economic integration progress, electrical appliance industry has basically formed international competition situation.External household electrical appliances Electrical Enterprises relies on advanced production technology and superior product quality to carry out on a large scale cracking the international market; meanwhile; European Union, the U.S. arrange " efficiently " technology barriers to import alternating current machine, and other these countries also will follow up one after another, to protect its domestic type of industry.Therefore, China's household electrical appliances electromechanics trade faces unprecedented opportunities and challenge.For this reason, promoting enterprise strengthens technological transformation, technological innovation and technological progress, Speeding up development energy-saving and environmental protection, efficiently Domestic electrical equipment necessary electromotor, improve product technology content, capability and performance and the market competitiveness, become an urgent demand improving China's electrical appliance industry international competitiveness.
Therefore, country has carried out specification for the electricity consumption energy consumption standard of the household electrical appliance such as refrigerator, air-conditioning, and comes into effect.Country's " energy-conservation medium-term and long-term plans " is using the electricity consumption of the household electrical appliances such as refrigerator and air-conditioning as one of energy-conservation major fields, and proposition will promote the household electrical appliance such as energy-efficient refrigerator and air-conditioning.
Energy-saving and environmental protection are eternal theme of the household electrical appliance such as refrigerator and air-conditioning, and the motor as freezer compressor heart reduces energy consumption, raises the efficiency the efficiency grade that directly can improve domestic refrigerator.Therefore, in recent years, the design and processes for improving compressor electric motor efficiency is advocated war direction.
Utility model content
The purpose of this utility model is to provide a kind of freezer compressor coiling induction electromotor rotor, this rotor have overall dimension little, install convenient, the motor operating current be assembled into is low, overload large, efficiency is high.By the optimal design to rotor, adjustment motor internal rotor design copper iron ratio, on the basis keeping original performance, effectively reduces motor cost, improves electric efficiency.
In order to solve the problems of the technologies described above, adopt following technical scheme:
A kind of freezer compressor coiling induction electromotor rotor, comprise internal rotor and external rotor, internal rotor is arranged in external rotor, internal rotor comprises internal rotor punching and internal rotor winding, internal rotor punching laminates and forms internal rotor body, internal rotor winding is positioned on internal rotor body, external rotor comprises external rotor punching and external rotor winding, external rotor punching laminates and forms external rotor body, external rotor winding is positioned on external rotor body, internal rotor punching shape ringwise, the medium position of internal rotor punching offers rotor shaft hatch, the excircle of internal rotor punching is provided with internal rotor yoke portion, internal rotor yoke portion is around being circumferentially with interior winding slot, external rotor punching shape ringwise, the medium position of external rotor punching offers external rotor hole, external rotor punching is provided with external rotor yoke portion, external rotor yoke portion is around being circumferentially with outer winding slot.The mode that this rotor adopts internal rotor and external rotor to combine, not only can improve the transmission capacity of motor torque, and can improve the transmission stability of motor torque, thus effectively improve the operating efficiency of motor.In addition, this rotor adopts spun casting technique in processing and manufacturing, spun casting not only can ensure the full of aluminum strip in rotor, there is not bubble, resistance during operation is reduced, and the principle by expanding with heat and contract with cold, rotor casting is combined with hot impulse, when not increasing energy loss, improve rotor performance further.Through the rotor of spun casting technique, compared to common electric machine, spun casting rotor has the advantage of cast aluminium dense structure, directly can reduce eddy current loss between the rotor aluminum consumption of motor and sheet.
Further, interior winding slot to comprise in first winding slot in winding slot and second, and in first, in winding slot and second, winding slot, circumferentially on the interlaced excircle being arranged in internal rotor punching, is provided with internal rotor winding in winding slot in winding slot and second in first.Interior winding slot to comprise in first winding slot in winding slot and second, by combinationally using of winding slot in winding slot and second in first, make the internal rotor winding construction of formation tightr, the close distribution of magnetic in internal rotor yoke portion is more reasonable, electric efficiency can be improved while minimizing internal rotor copper loss, and improve detent torque minimizing starting current, improve the stock utilization of motor, effectively reduce the spatial volume of motor.
Further, be provided with the first internal tooth in first in winding slot, the first internal tooth is positioned at the notch of the first winding slot, is provided with the second internal tooth in second in winding slot, and the second internal tooth is positioned at the notch of the second winding slot.
Further, outer winding slot comprises the first outer winding slot and the second outer winding slot, and the first outer winding slot and the second outer winding slot, circumferentially on the interlaced excircle being arranged in external rotor punching, are provided with external rotor winding outside the first outer winding slot and the second outer winding slot.Outer winding slot comprises the first outer winding slot and the second outer winding slot, by combinationally using of the first outer winding slot and the second outer winding slot, make the external rotor winding construction of formation tightr, the close distribution of magnetic in external rotor yoke portion is more reasonable, electric efficiency can be improved while minimizing external rotor copper loss, improve the stock utilization of motor, effectively reduce the spatial volume of motor.
Further, be provided with the first external tooth outside the first outer winding slot, the first external tooth is positioned at the notch of the first outer winding slot, is provided with the second external tooth outside the second outer winding slot, and the second external tooth is positioned at the notch of the second outer winding slot.
Further, between internal rotor and external rotor, be provided with adjustable magnetic ring, be provided with magnetic inductive block groove in adjustable magnetic ring and every magnetic patch groove, in magnetic inductive block groove, be provided with magnetic inductive block, be provided with in magnetic patch groove every magnetic patch, magnetic inductive block and uniform being arranged in adjustable magnetic ring is set every magnetic patch is interlaced.By the magnetic inductive block in adjustable magnetic ring with every magnetic patch, reduce the electric jamming produced between internal rotor and external rotor.
Further, between internal rotor and adjustable magnetic ring, be formed with interior air gap, between external rotor and adjustable magnetic ring, be formed with outer air gap.
Further, internal rotor punching is provided with interior air vent hole and interior installing hole, interior air vent hole and interior installing hole is uniform is arranged in internal rotor punching, external rotor punching is provided with outer vent and outer installing hole, outer vent and outer installing hole is uniform is arranged in external rotor punching.
Owing to adopting technique scheme, there is following beneficial effect:
The utility model is a kind of freezer compressor coiling induction electromotor rotor, this rotor have overall dimension little, install convenient, the motor operating current be assembled into is low, overload large, efficiency is high.By the optimal design to rotor, adjustment motor internal rotor design copper iron ratio, on the basis keeping original performance, effectively reduces motor cost, improves electric efficiency.The mode that this rotor adopts internal rotor and external rotor to combine, not only can improve the transmission capacity of motor torque, and can improve the transmission stability of motor torque, thus effectively improve the operating efficiency of motor.In addition, this rotor adopts spun casting technique in processing and manufacturing, spun casting not only can ensure the full of aluminum strip in rotor, there is not bubble, resistance during operation is reduced, and the principle by expanding with heat and contract with cold, rotor casting is combined with hot impulse, when not increasing energy loss, improve rotor performance further.Through the rotor of spun casting technique, compared to common electric machine, spun casting rotor has the advantage of cast aluminium dense structure, directly can reduce eddy current loss between the rotor aluminum consumption of motor and sheet.
Interior winding slot to comprise in first winding slot in winding slot and second, by combinationally using of winding slot in winding slot and second in first, make the internal rotor winding construction of formation tightr, the close distribution of magnetic in internal rotor yoke portion is more reasonable, electric efficiency can be improved while minimizing internal rotor copper loss, and improve detent torque minimizing starting current, improve the stock utilization of motor, effectively reduce the spatial volume of motor.Outer winding slot comprises the first outer winding slot and the second outer winding slot, by combinationally using of the first outer winding slot and the second outer winding slot, make the external rotor winding construction of formation tightr, the close distribution of magnetic in external rotor yoke portion is more reasonable, electric efficiency can be improved while minimizing external rotor copper loss, improve the stock utilization of motor, effectively reduce the spatial volume of motor.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is the structural representation of a kind of freezer compressor coiling induction electromotor rotor in the utility model;
Fig. 2 is the cutaway view of the A-A of Fig. 1 in the utility model;
Fig. 3 is the structural representation of internal rotor sheet in the utility model;
Fig. 4 is the structure for amplifying schematic diagram at I place in Fig. 3 in the utility model;
Fig. 5 is the structural representation of the utility model China and foreign countries rotor sheet;
Fig. 6 is the structure for amplifying schematic diagram at II place in Fig. 5 in the utility model;
Fig. 7 is the structural representation of adjustable magnetic ring in the utility model;
Fig. 8 is the structure for amplifying schematic diagram at III place in Fig. 7 in the utility model.
Embodiment
As shown in Figures 1 to 8, a kind of freezer compressor coiling induction electromotor rotor, comprise internal rotor 1 and external rotor 2, internal rotor 1 is arranged in external rotor 2.Adjustable magnetic ring 3 is provided with between internal rotor 1 and external rotor 2, magnetic inductive block groove 33 is provided with and every magnetic patch groove 34 in adjustable magnetic ring 3, be provided with magnetic inductive block 31 in magnetic inductive block groove 33, be provided with every magnetic patch 32 in magnetic patch groove 34, magnetic inductive block 31 and uniform being arranged in adjustable magnetic ring 3 is set every magnetic patch 32 is interlaced.Be formed with interior air gap 5 between internal rotor 1 and adjustable magnetic ring 3, between external rotor 2 and adjustable magnetic ring 3, be formed with outer air gap 4.By the magnetic inductive block 31 in adjustable magnetic ring 3 with every magnetic patch 32, reduce the electric jamming produced between internal rotor 1 and external rotor 2.
Internal rotor 1 comprises internal rotor punching 10 and internal rotor winding 7, and internal rotor punching 10 laminates and forms internal rotor body, and internal rotor winding 7 is positioned on internal rotor body.Internal rotor punching 10 shape ringwise, the medium position of internal rotor punching 10 offers rotor shaft hatch 11, and the excircle of internal rotor punching 10 is provided with internal rotor yoke portion 12, and internal rotor yoke portion 12 is around being circumferentially with interior winding slot.Interior winding slot to comprise in first winding slot 14 in winding slot 13 and second, winding slot 14 circumferentially on the interlaced excircle being arranged in internal rotor punching 10 in winding slot 13 and second in first, is provided with internal rotor winding 7 in winding slot 14 in winding slot 13 and second in first.Be provided with the notch that the first internal tooth 17, first internal tooth 17 is positioned at the first winding slot 13 in first in winding slot 13, in second, in winding slot 14, be provided with the notch that the second internal tooth 18, second internal tooth 18 is positioned at the second winding slot 14.Interior winding slot to comprise in first winding slot 14 in winding slot 13 and second, by combinationally using of winding slot 14 in winding slot in first 13 and second, make internal rotor winding 7 structure of formation tightr, the close distribution of magnetic in internal rotor yoke portion 12 is more reasonable, electric efficiency can be improved while minimizing internal rotor 1 copper loss, and improve detent torque minimizing starting current, improve the stock utilization of motor, effectively reduce the spatial volume of motor.Internal rotor punching 10 is provided with interior air vent hole 16 and interior installing hole 15, interior air vent hole 16 and interior installing hole 15 is uniform is arranged in internal rotor punching 10.
External rotor 2 comprises external rotor punching 20 and external rotor winding 6, and external rotor punching 20 laminates and forms external rotor body, and external rotor winding 6 is positioned on external rotor body.External rotor punching 20 shape ringwise, the medium position of external rotor punching 20 offers external rotor hole 21, and external rotor punching 20 is provided with external rotor yoke portion 22, and external rotor yoke portion 22 is around being circumferentially with outer winding slot.Outer winding slot comprises the first outer winding slot 23 and the second outer winding slot 24, first outer winding slot 23 and the second outer winding slot 24, circumferentially on the interlaced excircle being arranged in external rotor punching 20, are provided with external rotor winding 6 outside the first outer winding slot 23 and the second outer winding slot 24.Be provided with the notch that the first external tooth 27, first external tooth 27 is positioned at the first outer winding slot 23 outside first outer winding slot 23, outside the second outer winding slot 24, be provided with the notch that the second external tooth 28, second external tooth 28 is positioned at the second outer winding slot 24.Outer winding slot comprises the first outer winding slot 23 and the second outer winding slot 24, by combinationally using of the first outer winding slot 23 and the second outer winding slot 24, make external rotor winding 6 structure of formation tightr, the close distribution of magnetic in external rotor yoke portion 22 is more reasonable, electric efficiency can be improved while minimizing external rotor 2 copper loss, improve the stock utilization of motor, effectively reduce the spatial volume of motor.External rotor punching 20 is provided with outer vent 26 and outer installing hole 25, outer vent 26 and outer installing hole 25 is uniform is arranged in external rotor punching 20.
The mode that this rotor adopts internal rotor 1 and external rotor 2 to combine, not only can improve the transmission capacity of motor torque, and can improve the transmission stability of motor torque, thus effectively improve the operating efficiency of motor.In addition, this rotor adopts spun casting technique in processing and manufacturing, spun casting not only can ensure the full of aluminum strip in rotor, there is not bubble, resistance during operation is reduced, and the principle by expanding with heat and contract with cold, rotor casting is combined with hot impulse, when not increasing energy loss, improve rotor performance further.Through the rotor of spun casting technique, compared to common electric machine, spun casting rotor has the advantage of cast aluminium dense structure, directly can reduce eddy current loss between the rotor aluminum consumption of motor and sheet.
These are only specific embodiment of the utility model, but technical characteristic of the present utility model is not limited thereto.Any based on the utility model, for solving substantially identical technical problem, realize substantially identical technique effect, done ground simple change, equivalent replacement or modification etc., be all covered by among protection range of the present utility model.
Claims (8)
1. a freezer compressor coiling induction electromotor rotor, comprise internal rotor and external rotor, described internal rotor is arranged in described external rotor, it is characterized in that: described internal rotor comprises internal rotor punching and internal rotor winding, described internal rotor punching laminates and forms internal rotor body, described internal rotor winding is positioned on described internal rotor body, described external rotor comprises external rotor punching and external rotor winding, described external rotor punching laminates and forms external rotor body, described external rotor winding is positioned on described external rotor body, described internal rotor punching shape ringwise, the medium position of described internal rotor punching offers rotor shaft hatch, the excircle of described internal rotor punching is provided with internal rotor yoke portion, described internal rotor yoke portion is around being circumferentially with interior winding slot, described external rotor punching shape ringwise, the medium position of described external rotor punching offers external rotor hole, described external rotor punching is provided with external rotor yoke portion, described external rotor yoke portion is around being circumferentially with outer winding slot.
2. a kind of freezer compressor coiling induction electromotor rotor according to claim 1, it is characterized in that: described interior winding slot to comprise in first winding slot in winding slot and second, in described first, in winding slot and described second, winding slot, circumferentially on the interlaced excircle being arranged in described internal rotor punching, is provided with described internal rotor winding in winding slot in winding slot and described second in described first.
3. a kind of freezer compressor coiling induction electromotor rotor according to claim 2, it is characterized in that: in described first, in winding slot, be provided with the first internal tooth, described first internal tooth is positioned at the notch of described first winding slot, be provided with the second internal tooth in winding slot in described second, described second internal tooth is positioned at the notch of described second winding slot.
4. a kind of freezer compressor coiling induction electromotor rotor according to claim 1, it is characterized in that: described outer winding slot comprises the first outer winding slot and the second outer winding slot, described first outer winding slot and described second outer winding slot, circumferentially on the interlaced inner periphery being arranged in described external rotor punching, are provided with described external rotor winding in described first outer winding slot and described second outer winding slot.
5. a kind of freezer compressor coiling induction electromotor rotor according to claim 4, it is characterized in that: outside described first outer winding slot, be provided with the first external tooth, described first external tooth is positioned at the notch of described first outer winding slot, be provided with the second external tooth outside described second outer winding slot, described second external tooth is positioned at the notch of described second outer winding slot.
6. a kind of freezer compressor coiling induction electromotor rotor according to claim 1, it is characterized in that: between described internal rotor and described external rotor, be provided with adjustable magnetic ring, magnetic inductive block groove is provided with and every magnetic patch groove in described adjustable magnetic ring, magnetic inductive block is provided with in described magnetic inductive block groove, describedly be provided with every magnetic patch in magnetic patch groove, described magnetic inductive block and described uniform being arranged in described adjustable magnetic ring is set every magnetic patch is interlaced.
7. a kind of freezer compressor coiling induction electromotor rotor according to claim 6, is characterized in that: be formed with interior air gap between described internal rotor and described adjustable magnetic ring, is formed with outer air gap between described external rotor and described adjustable magnetic ring.
8. a kind of freezer compressor coiling induction electromotor rotor according to claim 1, it is characterized in that: described internal rotor punching is provided with interior air vent hole and interior installing hole, described interior air vent hole and described interior installing hole is uniform is arranged in described internal rotor punching, described external rotor punching is provided with outer vent and outer installing hole, described outer vent and described outer installing hole is uniform is arranged in described external rotor punching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520327380.XU CN204706972U (en) | 2015-05-19 | 2015-05-19 | A kind of freezer compressor coiling induction electromotor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520327380.XU CN204706972U (en) | 2015-05-19 | 2015-05-19 | A kind of freezer compressor coiling induction electromotor rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204706972U true CN204706972U (en) | 2015-10-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520327380.XU Expired - Fee Related CN204706972U (en) | 2015-05-19 | 2015-05-19 | A kind of freezer compressor coiling induction electromotor rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204706972U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086682A (en) * | 2016-02-15 | 2017-08-22 | 大众汽车有限公司 | The manufacture method of rotor, motor and this rotor |
-
2015
- 2015-05-19 CN CN201520327380.XU patent/CN204706972U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086682A (en) * | 2016-02-15 | 2017-08-22 | 大众汽车有限公司 | The manufacture method of rotor, motor and this rotor |
| CN107086682B (en) * | 2016-02-15 | 2019-06-14 | 大众汽车有限公司 | Rotor, the manufacturing method of motor and this rotor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151014 Termination date: 20180519 |