CN206834949U - Induction electric machine rotor has its induction conductivity - Google Patents

Induction electric machine rotor has its induction conductivity Download PDF

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Publication number
CN206834949U
CN206834949U CN201720739069.5U CN201720739069U CN206834949U CN 206834949 U CN206834949 U CN 206834949U CN 201720739069 U CN201720739069 U CN 201720739069U CN 206834949 U CN206834949 U CN 206834949U
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CN
China
Prior art keywords
electric machine
rotating shaft
conductive tube
supporting plate
rotor
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CN201720739069.5U
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Chinese (zh)
Inventor
肖文明
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Guangdong Welling Motor Manufacturing Co Ltd
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Guangdong Welling Motor Manufacturing Co Ltd
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Priority to CN201720739069.5U priority Critical patent/CN206834949U/en
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Abstract

The utility model discloses a kind of induction electric machine rotor and there is its induction conductivity, the induction electric machine rotor includes:Rotating shaft;Supporting plate, the supporting plate are arranged in the rotating shaft;Conductive tube, the conductive tube are arranged in the supporting plate;Rotor core, the rotor core are rotatably arranged between rotating shaft and conductive tube.According to induction electric machine rotor of the present utility model, by making rotor core be separated with conductive tube, when induction electric machine rotor is applied when on motor, during electric motor starting, torque caused by conductive tube cutting magnetic is passed in rotating shaft by supporting plate, drives axis of rotation.Torque caused by conductive tube will not be applied on rotor core, and rotor core will not be with rotating shaft synchronous initiation.Therefore the Start_up inertia of motor is small, and energy consumption is small in starting process, and heating is few.

Description

Induction electric machine rotor has its induction conductivity
Technical field
Motor technology field is the utility model is related to, more particularly to a kind of induction electric machine rotor and there is its sense Induction motor.
Background technology
In correlation technique, induction electric machine rotor uses traditional mouse cage type structure more, and rotor core is incorporated in electric conductor Together, rotary inertia is larger, causes the starting time longer, and heat is more caused by starting process, causes motor to be not suitable for frequent Start and frequent rotating.In addition, the rotor slot held on rotor core can produce cogging torque, increase noise of motor and vibration.
Utility model content
The utility model is intended at least solve one of technical problem present in prior art.Therefore, the utility model carries Go out a kind of induction electric machine rotor, the rotary inertia of the induction electric machine rotor is small, and performance improves.
The utility model also proposes a kind of induction conductivity, and the induction conductivity includes above-mentioned induction electric machine rotor.
According to the induction electric machine rotor of the utility model first aspect embodiment, including:Rotating shaft;Supporting plate, the branch Fagging is arranged in the rotating shaft;Conductive tube, the conductive tube are arranged in the supporting plate;Rotor core, the rotor iron Core is rotatably arranged between rotating shaft and conductive tube.
According to the induction electric machine rotor of the utility model embodiment, by making rotor core be separated with conductive tube, when Induction electric machine rotor is applied when on motor, and during electric motor starting, torque caused by conductive tube cutting magnetic passes through Supporting plate is passed in rotating shaft, drives axis of rotation.Torque caused by conductive tube will not be applied on rotor core, and rotor core is not Can be with rotating shaft synchronous initiation.Therefore the Start_up inertia of motor is small, and energy consumption is small in starting process, and heating is few.
In addition, also had technology additional as follows special according to the induction electric machine rotor of the utility model above-described embodiment Sign:
According to some embodiments of the utility model, the induction electric machine rotor also includes hollow shaft, the hollow shaft Rotationally it is enclosed on outside the rotating shaft, the rotor core is arranged in the hollow shaft.
Further, bearing is provided between the hollow shaft and the rotating shaft.
Alternatively, the hollow shaft is connected with the rotor core by interference fit.
According to some embodiments of the utility model, the rotor core is made up of some annular rotor punchings, rotor Punching uses permeability magnetic material, and rotor punching is used and is connected from riveting, rivet or screw rod.
According to some embodiments of the utility model, hole is offered in the supporting plate.
According to some embodiments of the utility model, the rotating shaft, the supporting plate and the conductive tube using key connection, It is interference fit, gluing or be welded to connect integral.
According to some embodiments of the utility model, the conductive tube is in straight-tube shape, and edge on the barrel of the conductive tube Axially open straight trough.
According to some embodiments of the utility model, the supporting plate includes two arranged along the axially spaced-apart of the rotating shaft It is individual, and the both ends of the conductive tube are respectively supported on the outer peripheral face of the supporting plate.
According to the induction conductivity of the utility model second aspect embodiment, including:Induction conductivity described above turns Son.
Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will in the description from combination accompanying drawings below to embodiment Become obvious and be readily appreciated that, wherein:
Fig. 1 is a sectional view according to the induction electric machine rotor of the utility model embodiment;
Fig. 2 is the schematic diagram of supporting plate in the induction electric machine rotor according to the utility model embodiment;
Fig. 3 is a schematic diagram of conductive tube in the induction electric machine rotor according to the utility model embodiment;
Fig. 4 is another schematic diagram of conductive tube in the induction electric machine rotor according to the utility model embodiment.
Reference:Induction electric machine rotor 100, rotating shaft 1, supporting plate 2, hole 21, conductive tube 3, straight trough 31, rotor core 4, hollow shaft 5, bearing 6.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model Limitation.
In description of the present utility model, it is to be understood that term " " center ", " interior ", " outer ", " axial direction ", " circumference " Orientation or position relationship Deng instruction are based on orientation shown in the drawings or position relationship, are for only for ease of and describe this practicality newly Type and simplifying describes, rather than instruction or implies that signified device or element must have specific orientation, with specific orientation Construction and operation, therefore it is not intended that to limitation of the present utility model.In description of the present utility model, unless otherwise saying Bright, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection;Can be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in the utility model.
Induction electric machine rotor 100 according to the utility model first aspect embodiment is described below in conjunction with the accompanying drawings.
As Figure 1-Figure 4, according to the induction electric machine rotor 100 of the utility model embodiment, including:Rotating shaft 1, support Plate 2, conductive tube 3 and rotor core 4.
Specifically, supporting plate 2 is arranged in rotating shaft 1, for example, supporting plate 2 can be set on the outer peripheral face of rotating shaft 1, Conductive tube 3 is arranged in supporting plate 2.Conductive tube 3 is used for cutting magnetic field, produces electromagnetic torque, drives rotating shaft 1 to rotate.
Rotor core 4 is rotatably arranged between rotating shaft 1 and conductive tube 3.For example, rotor core 4 can be located at the He of rotating shaft 1 Between conductive tube 3, and rotor core 4 is rotatable between rotating shaft 1 and conductive tube 3.Thus, by making rotor core 4 with leading Torch 3 separates, and makes conductive tube 3 independent with rotor core 4, when induction electric machine rotor 100 is applied when on motor, favorably In the Start_up inertia for reducing motor, quick start motor, so as to be useful in the motor for needing Fraquent start and frequent rotating On.
Wherein, rotor core 4 is mainly used in magnetic conduction, and magnetic circuit is provided for motor.The outer peripheral face of rotor core 4 and conductive tube 3 Inner peripheral surface can be spaced apart, the end face of rotor core 4 can also be spaced apart with the end face of supporting plate 2, can avoid rotor core 4 With the synchronous initiation of rotating shaft 1, the Start_up inertia of motor is advantageously reduced.
According to the induction electric machine rotor 100 of the utility model embodiment, by making rotor core 4 be separated with conductive tube 3 Open, when induction electric machine rotor 100 is applied when on motor, during electric motor starting, conductive tube 3 is cut caused by magnetic Torque is passed in rotating shaft 1 by supporting plate 2, drives rotating shaft 1 to rotate.Torque will not be applied to rotor core 4 caused by conductive tube 3 On, rotor core 4 will not be with the synchronous initiation of rotating shaft 1.Therefore the Start_up inertia of motor is small, and energy consumption is small in starting process, and heating is few.
Reference picture 1, according to some embodiments of the utility model, induction electric machine rotor 100 also includes hollow shaft 5, empty Mandrel 5 is rotationally enclosed on outside rotating shaft 1, and rotor core 4 is arranged in hollow shaft 5.For example, hollow shaft 5 may be mounted at rotor The inner side of iron core 4.Alternatively, hollow shaft 5 can be connected with rotor core 4 by interference fit.Thus, it is possible to realize rotor Being reliably connected between iron core 4 and hollow shaft 5.
Further, reference picture 1, bearing 6 can be provided between hollow shaft 5 and rotating shaft 1.Thus, by bearing 6 be easy to by The support of hollow shaft 5 is arranged in rotating shaft 1, so as to make rotor core 4 be rotated with hollow shaft 5 relative to rotating shaft 1.Namely Say, hollow shaft 5 is connected by bearing 6 with rotating shaft 1, and rotor core 4 and hollow shaft 5 can so freely rotated relative to rotating shaft 1.
Specifically, hollow shaft 5 is connected with rotor core 4 by interference fit, and hollow shaft 5 passes through with rotor core 4 Two bearings 6 are connected with rotating shaft 1, and relative rotating shaft 1 rotates freely hollow shaft 5 with the energy of rotor core 4.
According to some embodiments of the utility model, rotor core 4 is made up of some annular rotor punchings, rotor punching Using permeability magnetic material (such as silicon steel sheet etc.), rotor punching is used and is connected from riveting, rivet or screw rod.That is, Multiple rotor punchings can be used and are connected from riveting mode, multiple rotor punchings can also be linked to be one by rivet Body, multiple rotor punchings can also be connected by screw rod.Thus, without opening up rotor slot in the outside of rotor core 4, have Vibrated beneficial to reducing, reduce noise;And when induction electric machine rotor 100 is applied when on motor, be advantageous to improve motor Smoothness of operation.
Reference picture 2, according to some embodiments of the utility model, hole 21 is offered in supporting plate 2.Hole 21 can be through The through hole of supporting plate 2, hole 21 can be with rounded, polygon or irregular figures etc..Hole 21 is opened up in supporting plate 2 to can be used for Radiating, also help the weight for mitigating supporting plate 2.
For example, supporting plate 2 can include:Body and flange, body are set in the outside of rotating shaft 1;Flange adjacent rotor iron Core 4 is set, and flange can be spaced apart in the axial direction with rotor core 4, and conductive tube 3 is supported on the outer peripheral face of flange, and And multiple circumferentially spaced holes 21 along supporting plate 2 are could be formed with flange.Further, body and flange one into Type.Thus, it is possible to simplify processing technology, reduce cost, it is easily assembled.
According to some embodiments of the utility model, rotating shaft 1, supporting plate 2 and conductive tube 3 using key connection, interference fit, It is gluing or be welded to connect integral.Thus, conductive tube 3 is used for cutting magnetic field, produces electromagnetic torque, is passed to and turned by supporting plate 2 On axle 1, rotating shaft 1 is driven to rotate.
For example, can be connected between rotating shaft 1 and supporting plate 2 by modes such as key connection, interference fit, gluing or welding, It can be connected between supporting plate 2 and conductive tube 3 by modes such as interference fit, gluing or welding, rotating shaft 1, supporting plate 2 and conduction Cylinder 3 connects as one.
When induction electric machine rotor 100 is applied when on motor, during electric motor starting, conductive tube 3 cuts magnetic production Raw torque is passed in rotating shaft 1 by supporting plate 2, drives rotating shaft 1 to rotate.Torque will not be applied to rotor caused by conductive tube 3 On iron core 4, rotor core 4 will not be with the synchronous initiation of rotating shaft 1.Therefore the Start_up inertia of motor is small, and energy consumption is small in starting process, hair Heat is few.Further, since being not provided with rotor slot on rotor core 4, motor operating is more steady, can reduce motor oscillating and noise.
Reference picture 3 and Fig. 4, according to some embodiments of the utility model, conductive tube 3 is in straight-tube shape, for example, conductive tube 3 It can be in the straight-tube shape of both ends open;And straight trough 31 can be opened on the barrel of conductive tube 3 vertically.It is easy to dissipate by straight trough 31 Heat, eddy-current loss is reduced, be advantageous to improve the performance of induction electric machine rotor 100.
For example, conductive tube 3 is conductive material (such as silicon tablet etc.) or conductive magneto-conductive material, shape on the barrel of conductive tube 3 Into the straight trough 31 for having barrel of multiple edges parallel to the axially extending of rotating shaft 1 and through conductive tube 3, multiple straight troughs 31 are in conductive tube 3 circumferentially-spaced is opened.
Reference picture 1, according to some embodiments of the utility model, supporting plate 2 includes what is arranged along the axially spaced-apart of rotating shaft 1 Two, and the both ends of conductive tube 3 are respectively supported on the outer peripheral face of supporting plate 2.That is, supporting plate 2 includes two, two Supporting plate 2 can arrange along the axially spaced-apart of rotating shaft 1, and the both ends of conductive tube 3 are respectively supported at the outer peripheral face of supporting plate 2 On.Thus, conductive tube 3 can be stably supported by two supporting plates 2, is advantageous to improve making for induction electric machine rotor 100 Use reliability.
For example, referring to Fig. 1, accommodating chamber is could be formed between rotating shaft 1, supporting plate 2 and conductive tube 3, rotor core 4 is logical Hollow shaft 5 to be crossed to be set in rotating shaft 1 and in accommodating chamber, rotor core 4 is rotatable with respect to rotating shaft 1, and rotor core 4 Outer peripheral face is spaced apart with the inner peripheral surface of conductive tube 3.
According to the induction electric machine rotor 100 of the utility model embodiment, mainly include rotating shaft 1, supporting plate 2, conductive tube 3rd, rotor core 4, hollow shaft 5 and bearing 6.Rotating shaft 1 is fixed together with supporting plate 2, conductive tube 3.It is fixed in hollow shaft 5 (such as rotor core 4 can be interference fitted with hollow shaft 5), rotor core 4 and hollow shaft 5 are supported by two bearings 6, can be relative Rotating shaft 1 freely rotates.Rotor core 4 is mainly used in magnetic conduction, and magnetic circuit is provided for motor.Compared with prior art, the utility model The induction electric machine rotor 100 of offer has the advantages that reasonable in design, Start_up inertia is small, motor can quick start, and is especially suitable for With on the motor for needing Fraquent start and frequent rotating.
According to the induction conductivity (not shown) of the utility model second aspect embodiment, including:Above-mentioned induction electric Machine rotor 100.Thus, by setting the induction electric machine rotor 100 of above-mentioned first aspect embodiment on induction conductivity, have Beneficial to the Start_up inertia for reducing induction conductivity, energy consumption is small in starting process, and heating is few.
The course of work of the induction conductivity according to the utility model embodiment is described in detail with reference to Fig. 1 to Fig. 4.
In motor starting process, torque caused by the cutting magnetic of conductive tube 3 is passed in rotating shaft 1 by supporting plate 2, drives rotating shaft 1 rotates.Torque will not be applied on rotor core 4 caused by conductive tube 3, and rotor core 4 will not be with the synchronous initiation of rotating shaft 1.Cause The Start_up inertia of this motor is small, and energy consumption is small in starting process, and heating is few.
Further, since being not provided with rotor slot on rotor core 4, motor operating is more steady, can reduce motor oscillating and noise. So far the course of work of the induction conductivity according to the utility model embodiment is completed.
According to other compositions of the induction conductivity of the utility model embodiment and operate for ordinary skill All it is known for personnel, is not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or the feature for combining the embodiment or example description It is contained at least one embodiment or example of the present utility model.In this manual, to the schematic representation of above-mentioned term Necessarily it is directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be Combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, this area Technical staff can be carried out the different embodiments or example and the feature of different embodiments or example described in this specification With reference to and combination.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in the scope of the utility model It is interior above-described embodiment to be changed, changed, replaced and modification.

Claims (10)

  1. A kind of 1. induction electric machine rotor, it is characterised in that including:
    Rotating shaft;
    Supporting plate, the supporting plate are arranged in the rotating shaft;
    Conductive tube, the conductive tube are arranged in the supporting plate;
    Rotor core, the rotor core are rotatably arranged between rotating shaft and conductive tube.
  2. 2. induction electric machine rotor according to claim 1, it is characterised in that the induction electric machine rotor also includes sky Mandrel, the hollow shaft are rotationally enclosed on outside the rotating shaft, and the rotor core is arranged in the hollow shaft.
  3. 3. induction electric machine rotor according to claim 2, it is characterised in that set between the hollow shaft and the rotating shaft There is bearing.
  4. 4. induction electric machine rotor according to claim 2, it is characterised in that the hollow shaft is led to the rotor core Interference fit is crossed to be connected.
  5. 5. induction electric machine rotor according to claim 1, it is characterised in that the rotor core is turned by some annulars Sub- punching composition, rotor punching use permeability magnetic material, and rotor punching is used and is connected from riveting, rivet or screw rod.
  6. 6. induction electric machine rotor according to claim 1, it is characterised in that offer hole in the supporting plate.
  7. 7. induction electric machine rotor according to claim 1, it is characterised in that the rotating shaft, the supporting plate and described Conductive tube is using key connection, interference fit, gluing or be welded to connect integral.
  8. 8. induction electric machine rotor according to claim 1, it is characterised in that the conductive tube is in straight-tube shape, and described Straight trough is opened vertically on the barrel of conductive tube.
  9. 9. induction electric machine rotor according to claim 1, it is characterised in that the supporting plate is included along the rotating shaft Two of axially spaced-apart arrangement, and the both ends of the conductive tube are respectively supported on the outer peripheral face of the supporting plate.
  10. A kind of 10. induction conductivity, it is characterised in that including:According to the induction conductivity any one of claim 1-9 Rotor.
CN201720739069.5U 2017-06-22 2017-06-22 Induction electric machine rotor has its induction conductivity Active CN206834949U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720739069.5U CN206834949U (en) 2017-06-22 2017-06-22 Induction electric machine rotor has its induction conductivity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720739069.5U CN206834949U (en) 2017-06-22 2017-06-22 Induction electric machine rotor has its induction conductivity

Publications (1)

Publication Number Publication Date
CN206834949U true CN206834949U (en) 2018-01-02

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CN201720739069.5U Active CN206834949U (en) 2017-06-22 2017-06-22 Induction electric machine rotor has its induction conductivity

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107171521A (en) * 2017-06-22 2017-09-15 广东威灵电机制造有限公司 Induction electric machine rotor has its induction conductivity

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107171521A (en) * 2017-06-22 2017-09-15 广东威灵电机制造有限公司 Induction electric machine rotor has its induction conductivity

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