CN204316291U - Rotor - Google Patents
Rotor Download PDFInfo
- Publication number
- CN204316291U CN204316291U CN201520033803.7U CN201520033803U CN204316291U CN 204316291 U CN204316291 U CN 204316291U CN 201520033803 U CN201520033803 U CN 201520033803U CN 204316291 U CN204316291 U CN 204316291U
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- Prior art keywords
- rotor
- bus
- ring
- groove
- rotor groove
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Abstract
The utility model discloses a kind of rotor, comprise: rotor core, axis hole is provided with in rotor core, the periphery of axis hole is provided with the multiple internal rotor groove be radially spaced along rotor core and multiple external rotor groove, and multiple internal rotor groove and multiple external rotor groove are respectively along the spaced apart setting of the circumference of rotor core and each internal rotor groove is positioned at the inner side of external rotor groove in the radial direction of rotor core; Multiple interior bus, multiple interior bus is plugged in multiple internal rotor groove respectively; Multiple outer bus, multiple outer bus is plugged in multiple external rotor groove respectively and the conductance of outer bus is different from the conductance of interior bus; End short circuit ring, end short circuit ring is located at the two ends of rotor core, is connected between multiple interior bus and between multiple outer bus respectively by end short circuit ring.According to rotor of the present utility model, electric motor starting ability is better, and operational efficiency is higher, and effectively avoid the high-temperature oxydation in forming process, technique realizes simple and convenient simultaneously.
Description
Technical field
The utility model relates to Compressor Technology field, particularly, relates to rotary compressor technical field, more specifically, relates to a kind of rotor.
Background technology
Two squirrel-cage motor rotator adopts the single conductive material such as cast aluminium compressing mostly, and inside and outside mouse cage conductive material is identical, and the properties of motor can not reach optimum.The structure of motor haves much room for improvement.
A kind of double squirrel cage rotor of copper-aluminum composite is disclosed in correlation technique.In the structure shown here, inside and outside mouse cage chamber communicates with each other.The utility model people of the application studies discovery, conductor material in inside and outside mouse cage chamber contacts with each other, and copper can come in contact with aluminium, and in high temperature cast aluminium process, copper sliver can be oxidized fast, therefore, the requirement improving conductivity, improve motor operational efficiency can not effectively be reached.
In order to solve the problem of sliver high-temperature oxydation, the utility model people of the application improves on this basis, inside and outside mouse cage chamber is no longer communicated with, thus, in inside and outside mouse cage chamber, the conductor material of filling no longer comes in contact, thus effectively avoids sliver and be oxidized.
The utility model is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, the utility model proposes a kind of rotor, the efficiency of described rotor is higher and avoid high-temperature oxydation problem.
According to rotor of the present utility model, comprise: rotor core, be provided with along its axially through axis hole in described rotor core, the periphery of described axis hole is provided with being radially spaced and multiple internal rotor groove of through described rotor core and multiple external rotor groove along described rotor core, and multiple described internal rotor groove and multiple described external rotor groove are respectively along the spaced apart setting of the circumference of described rotor core and each described internal rotor groove is positioned at the inner side of described external rotor groove in the radial direction of described rotor core; Multiple interior bus, multiple described interior bus is plugged in multiple described internal rotor groove respectively; Multiple outer bus, multiple described outer bus is plugged in multiple described external rotor groove respectively and the conductance of described outer bus is different from the conductance of described interior bus; End short circuit ring, described end short circuit ring is located at the two ends of described rotor core, is connected between multiple interior bus and between multiple outer bus respectively by described end short circuit ring.
According to rotor of the present utility model, can to arrange in pairs or groups different conductive material, give play to two cage-type rotor kelvin effect better, electric motor starting ability is better, and operational efficiency is higher, simultaneously, internal rotor groove and external rotor groove spaced apart, make rotor can form inside and outside disconnected free-standing mouse cage, effectively prevent the high-temperature oxydation in forming process, and technique realizes simple and convenient.
In addition, following additional technical characteristic can also be had according to rotor of the present utility model:
According to an embodiment of the present utility model, described end short circuit ring comprises: interconnected ring, and described interconnected ring is located at the two ends of described rotor core and is connected with multiple described interior bus; Outer T-Ring, described outer T-Ring is located at the two ends of described rotor core and is positioned at the periphery of described interconnected ring, and described outer T-Ring is connected with multiple described outer bus.
According to an embodiment of the present utility model, described interconnected ring is connected with described outer T-Ring, and described outer bus, described interconnected ring and described outer T-Ring are integrally formed.
According to an embodiment of the present utility model, described interconnected ring and described external interannular separate, and described outer bus and described outer T-Ring are integrally formed.
According to an embodiment of the present utility model, the conductance of described interior bus is greater than or less than the conductance of described outer bus.
According to an embodiment of the present utility model, described interior bus is copper bar, and described outer bus is aluminum strip.
According to an embodiment of the present utility model, the quantity of described internal rotor groove is 1/N or N times of the quantity of described external rotor groove, and wherein N is positive integer.
According to an embodiment of the present utility model, each described internal rotor groove and external rotor groove are formed as circular, square respectively, rhombus, triangle or special-shaped slot.
According to an embodiment of the present utility model, each described external rotor groove is formed as the open slot be communicated with the outer peripheral face of described rotor core respectively.
According to an embodiment of the present utility model, described internal rotor groove and/or described external rotor groove are arranged along the axial skew of described rotor core.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Utility model content
The application makes the discovery of the following fact and problem and understanding based on utility model people:
Accompanying drawing explanation
Fig. 1 is the radial section figure of the rotor according to the utility model embodiment;
Fig. 2 is the axial section of the rotor according to the utility model embodiment;
Fig. 3 is the radial section figure of the rotor according to another embodiment of the utility model;
Fig. 4 is the axial section of the rotor according to another embodiment of the utility model;
Fig. 5 is the radial section figure of the rotor according to another embodiment of the utility model.
Reference numeral:
Rotor 100;
Rotor core 10; Axis hole 11;
Interior bus 20;
Outer bus 30;
End short circuit ring 40; Interconnected ring 41; Outer T-Ring 42.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
The rotor 100 according to the utility model embodiment is described in detail below in conjunction with accompanying drawing.
Shown in Fig. 5, comprise rotor core 10, multiple interior bus 20, multiple outer bus 30 and end short circuit ring 40 according to the rotor 100 of the utility model embodiment.
Be provided with in rotor core 10 along its axially through axis hole 11.The periphery of axis hole 11 is provided with the multiple internal rotor groove be radially spaced along rotor core 10 and multiple external rotor groove.The two ends of multiple internal rotor groove and all through rotor core 10 of multiple external rotor groove.Multiple internal rotor groove and multiple external rotor groove are respectively along the spaced apart setting of circumference of rotor core 10.
Each internal rotor groove is positioned at the inner side of external rotor groove in the radial direction of rotor core 10.Multiple interior bus 20 is plugged in multiple internal rotor groove respectively, and multiple outer bus 30 is plugged in multiple external rotor groove respectively.The conductance of outer bus 30 is different from the conductance of interior bus 20.End short circuit ring 40 is located at the two ends of rotor core 10, is connected between multiple interior bus 20 and between multiple outer bus 30 respectively by end short circuit ring 40.
In other words, be two squirrel-cage motor rotators 100 according to the electronics rotor of the utility model embodiment, electronics rotor comprises rotor core 10, two mouse cage sliver and end short circuit ring 40.The rotor of double-deck distribution is had, i.e. internal rotor groove and external rotor groove from the surface of the outside circular radiation of the axis hole 11 of rotor core 10.Be not communicated with between internal rotor groove and external rotor groove, in internal rotor groove and external rotor groove, fill the conductive material of different conductivity, form two mouse cage sliver.Again two mouse cage sliver short circuit is got up in the end of rotor core 10, form end short circuit ring 40.
According to the rotor 100 of the utility model embodiment, have employed interior bus 20 and the outer bus 30 of different conductivity, compared with filling the rotor of single conductive material, this rotor 100 can be arranged in pairs or groups different conductive material, two cage-type rotor kelvin effect can have been given play to better, electric motor starting ability is better, operational efficiency is higher, simultaneously, different internal rotor groove and external rotor groove spaced apart, make rotor 100 can form inside and outside disconnected free-standing mouse cage, the interior bus 20 that size and fusing point etc. are different and outer bus 30 can not react, effectively prevent the high-temperature oxydation in forming process, and technique realizes simple and convenient.
Wherein, the conductance of interior bus 20 can be greater than or less than the conductance of outer bus 30.Preferably, the conductivity of interior bus 20 is greater than the conductivity of outer bus 30, and thus, farthest can play two mouse cage kelvin effect: skin is formed as starting cage, internal layer is formed as running cage, and the efficiency of electric motor starting and operation improves greatly.
Such as, in a concrete example of utility model, the cast aluminium of low conductivity selected by outer bus 30, interior bus 20 selects red copper or the brass of high conductivity, and red copper or brass instead of part cast aluminium, and the resistance of rotor 100 is reduced, conductivity increases, and electric efficiency gets a promotion.Meanwhile, aluminium sliver is not directly connected with copper sliver, and the rotor 100 that effectively prevent in correlation technique copper sliver occurs in cast aluminium process by the problem of high-temperature oxydation.
With reference to shown in Fig. 2 and Fig. 4, end short circuit ring 40 comprises interconnected ring 41 and outer T-Ring 42.Interconnected ring 41 is located at the two ends of rotor core 10 and is connected with multiple interior bus 20.Outer T-Ring 42 is located at the two ends of rotor core 10 and is positioned at the periphery of interconnected ring 41, and outer T-Ring 42 is connected with multiple outer bus 30.Internal rotor groove is stretched out at the two ends of interior bus 20 respectively, and namely, the two ends of rotor core 10 are given prominence at the two ends of bus 20, and outer T-Ring 42 is coated on the two ends of interior bus 20.
As shown in Figure 3, interconnected ring 41 can be connected with outer T-Ring 42.Thus, interior bus 20, interconnected ring 41, outer T-Ring 42 and outer bus 30 can be electrically connected.Outer bus 30, interconnected ring 41 can be integrally formed with outer T-Ring 42.Namely outer bus 30, interconnected ring 41 and outer T-Ring 42 are formed as one part, thus not only convenient manufacture, and assemble easy, and good conductivity can serve effect that is fixing and electrical connection.
Now, outer bus 30, interconnected ring 41 and outer T-Ring 42 are commaterial formation.Advantageously, outer bus 30, interconnected ring 41 and outer T-Ring 42 select low conducting medium and melting temperature lower than the material of interior bus 20, better to have given play to two cage-type rotor kelvin effect.
As shown in Figure 4, interconnected ring 41 and the spaced apart setting of outer T-Ring 42.Thus, interconnected ring 41 is connected with interior bus 20 formation loop, and outer T-Ring 42 is connected with outer bus 30 and forms another loop.Outer bus 30 is integrally formed with outer T-Ring 42.That is, outer bus 30 and outer T-Ring 42 are formed as one part, and interconnected ring 41 is independent molded part.Wherein, interconnected ring 41 can be identical with the material of outer T-Ring 42, also can be different.
According to embodiments more of the present utility model, the quantity of internal rotor groove is 1/N or N times of the quantity of external rotor groove, and wherein N is positive integer.Such as, as shown in Figure 1, the quantity of internal rotor groove equals the quantity of external rotor groove.Again such as, as shown in Figure 3, the quantity of internal rotor groove equals 1/2 of the quantity of external rotor groove.Again such as, as shown in Figure 5, the quantity of internal rotor groove equals 2 times of the quantity of external rotor groove.
Be understandable that, the shape of internal rotor groove and external rotor groove can be formed as multiple.Alternatively, according to embodiments more of the present utility model, each internal rotor groove and each external rotor groove are formed as circular, square respectively, rhombus, triangle or special-shaped slot.The shape of internal rotor groove can be identical from the shape of external rotor groove or different.Such as, as shown in Fig. 1, Fig. 3 and Fig. 5, each internal rotor groove is formed as circular recess respectively, and the shape of each external rotor groove is suitable with peariform slot.Again such as, in embodiments more of the present utility model, each external rotor groove is formed as the open slot be communicated with the outer peripheral face of rotor core 10 respectively.
According to embodiments more of the present utility model, internal rotor groove and/or external rotor groove are arranged along the axial skew of rotor core 10.That is, the bearing of trend of internal rotor groove or external rotor groove is not the axis of rotor core 10, but relative to the axis generation skew of rotor core 10.Wherein, also can there is skew in internal rotor groove and external rotor groove simultaneously.
The rotor 100 according to the concrete example of the utility model is described in detail below in conjunction with accompanying drawing.As depicted in figs. 1 and 2, double squirrel cage motor rotor 100 comprises the rotor core 10 of electromagnetic steel plate riveting button, the equally distributed interior bus 20 of internal layer and the equally distributed outer bus 30 of skin, and by end short circuit ring 40 that interior bus 20 and outer bus 30 short circuit get up.
Its specific implementation process is as follows: the rotor punching that silicon steel coiled material is cut into through punch press, through laminating the buckle-shaped one-tenth rotor core 10 of riveting.The center of this rotor core 10 comprises axis hole 11, and around axis hole 11 centrosymmetric pairs of cage grooves: external rotor groove and internal rotor groove.External rotor groove is circular recess, internal rotor groove is peariform slot, and the groove number of external rotor groove and internal rotor groove is equal, but is not communicated with each other.Internal rotor groove inserts the interior bus 20 of high connductivity material (as red copper etc.).The slightly outstanding rotor core 10 in two ends of interior bus 20, shape, size and peariform slot are suitable, form internal layer mouse cage sliver.
Again the rotor core 10 inserting interior bus 20 is carried out integral type die cast, form outer mouse cage sliver, outer T-Ring 42 and interior knot ring that outer bus 30 is formed.Wherein, outer T-Ring 42 is identical with the material of interconnected ring 41, fuses into and is integrated, and form end short circuit ring 40, and end short circuit ring 40 also gets up outer mouse cage short circuit, serves effect that is fixing and electrical connection.Wherein, the filler in press casting procedure be low conductivity and melting temperature lower than the material of interior bus 20, such as, cast aluminium etc.
In the present embodiment, double squirrel cage rotor adopts the mouse cage that inside and outside conductance is different, and internal layer is the red copper of high conductivity, skin is the cast aluminium of low conductivity, two mouse cage kelvin effect can be played to greatest extent: outer for starting cage, internal layer for running cage, electric motor starting, operational efficiency greatly improve.Meanwhile, internal layer is not communicated with skin, and interior bus 20 and the size of outer bus 30, the different designs of fusing point, avoid the adverse effects such as high-temperature oxydation.
As shown in Figures 3 to 5, present embodiment discloses a kind of double squirrel cage motor rotor 100 different from structure shown in Fig. 1 and Fig. 2.In figure 3, rotor core 10 outwards has inside and outside double-deck cage grooves by axis hole 11, and skin is uniform circular recess, and internal layer is uniform peariform slot, and the groove number of external rotor groove, more than the groove number of internal rotor groove, is 2 times of the groove number of internal rotor groove.In Figure 5, rotor core 10 outwards has inside and outside double-deck cage grooves by axis hole 11, and wherein, skin is uniform circular recess, and internal layer is uniform peariform slot, and the groove number of external rotor groove is less than the groove number of internal rotor groove, is 1/2 of the groove number of internal rotor groove.
In the diagram, internal rotor groove inserts the interior bus 20 of high connductivity material, and size, shape are mated with peariform slot, and rotor core 10 is exposed at the two ends of interior bus 20, then form outer bus 30, outer T-Ring 42, interconnected ring 41 by compression molding process.Wherein, outer T-Ring 42 is one-body molded with outer bus 30, and be outer mouse cage short circuit ring, interconnected ring 41 forms internal layer mouse cage short circuit ring, and shaping while of itself and outer T-Ring 42, material is identical.Two mouse cage short-circuited conducting sleeves concentrically ring, does not connect each other.
In the present embodiment, double squirrel cage rotor adopts the mouse cage that inside and outside conductance is different, and collocation groove number is different, and two mouse cages are completely independent on circuit, and motor advantage on startup ability, operational efficiency, motor are exerted oneself is larger, and technique realizes simple and convenient.
According to the rotor 100 of the utility model embodiment other form and operation be known for the person of ordinary skill of the art, be not described in detail at this.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary indirect contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment, revises, replace and modification in scope of the present utility model.
Claims (10)
1. a rotor, is characterized in that, comprising:
Rotor core, be provided with along its axially through axis hole in described rotor core, the periphery of described axis hole is provided with being radially spaced and multiple internal rotor groove of through described rotor core and multiple external rotor groove along described rotor core, and multiple described internal rotor groove and multiple described external rotor groove are respectively along the spaced apart setting of the circumference of described rotor core and each described internal rotor groove is positioned at the inner side of described external rotor groove in the radial direction of described rotor core;
Multiple interior bus, multiple described interior bus is plugged in multiple described internal rotor groove respectively;
Multiple outer bus, multiple described outer bus is plugged in multiple described external rotor groove respectively and the conductance of described outer bus is different from the conductance of described interior bus;
End short circuit ring, described end short circuit ring is located at the two ends of described rotor core, is connected between multiple interior bus and between multiple outer bus respectively by described end short circuit ring.
2. rotor according to claim 1, is characterized in that, described end short circuit ring comprises:
Interconnected ring, described interconnected ring is located at the two ends of described rotor core and is connected with multiple described interior bus;
Outer T-Ring, described outer T-Ring is located at the two ends of described rotor core and is positioned at the periphery of described interconnected ring, and described outer T-Ring is connected with multiple described outer bus.
3. rotor according to claim 2, is characterized in that, described interconnected ring is connected with described outer T-Ring, and described outer bus, described interconnected ring and described outer T-Ring are integrally formed.
4. rotor according to claim 2, is characterized in that, described interconnected ring and described external interannular separate, and described outer bus and described outer T-Ring are integrally formed.
5. rotor according to claim 1, is characterized in that, the conductance of described interior bus is greater than or less than the conductance of described outer bus.
6. rotor according to claim 5, is characterized in that, described interior bus is copper bar, and described outer bus is aluminum strip.
7. rotor according to claim 1, is characterized in that, the quantity of described internal rotor groove is 1/N or N times of the quantity of described external rotor groove, and wherein N is positive integer.
8. rotor according to claim 1, is characterized in that, each described internal rotor groove and external rotor groove are formed as circular, square respectively, rhombus, triangle or special-shaped slot.
9. rotor according to claim 1, is characterized in that, each described external rotor groove is formed as the open slot be communicated with the outer peripheral face of described rotor core respectively.
10. rotor according to claim 1, is characterized in that, described internal rotor groove and/or described external rotor groove are arranged along the axial skew of described rotor core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520033803.7U CN204316291U (en) | 2015-01-16 | 2015-01-16 | Rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520033803.7U CN204316291U (en) | 2015-01-16 | 2015-01-16 | Rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204316291U true CN204316291U (en) | 2015-05-06 |
Family
ID=53138586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520033803.7U Expired - Fee Related CN204316291U (en) | 2015-01-16 | 2015-01-16 | Rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204316291U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600932A (en) * | 2015-01-16 | 2015-05-06 | 广东美芝制冷设备有限公司 | Motor rotor |
| CN105680654A (en) * | 2016-01-28 | 2016-06-15 | 珠海凌达压缩机有限公司 | Air conditioner, compressor and rotor of compressor |
| CN106849576A (en) * | 2017-03-23 | 2017-06-13 | 哈尔滨理工大学 | A kind of high-starting torque cage-type asynchronous motor rotor punching |
| WO2019026083A1 (en) * | 2017-08-03 | 2019-02-07 | Sindhi Subhash C | Design of stator and rotors of internal rotor ac squirrel cage electric motors and winding |
-
2015
- 2015-01-16 CN CN201520033803.7U patent/CN204316291U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600932A (en) * | 2015-01-16 | 2015-05-06 | 广东美芝制冷设备有限公司 | Motor rotor |
| CN105680654A (en) * | 2016-01-28 | 2016-06-15 | 珠海凌达压缩机有限公司 | Air conditioner, compressor and rotor of compressor |
| CN105680654B (en) * | 2016-01-28 | 2018-04-20 | 珠海凌达压缩机有限公司 | A kind of air conditioner, compressor and its rotor |
| CN106849576A (en) * | 2017-03-23 | 2017-06-13 | 哈尔滨理工大学 | A kind of high-starting torque cage-type asynchronous motor rotor punching |
| WO2019026083A1 (en) * | 2017-08-03 | 2019-02-07 | Sindhi Subhash C | Design of stator and rotors of internal rotor ac squirrel cage electric motors and winding |
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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 |
Granted publication date: 20150506 Termination date: 20210116 |
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| CF01 | Termination of patent right due to non-payment of annual fee |