CN207573206U - Rotor and with its motor, compressor and refrigeration equipment - Google Patents

Rotor and with its motor, compressor and refrigeration equipment Download PDF

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Publication number
CN207573206U
CN207573206U CN201721510456.8U CN201721510456U CN207573206U CN 207573206 U CN207573206 U CN 207573206U CN 201721510456 U CN201721510456 U CN 201721510456U CN 207573206 U CN207573206 U CN 207573206U
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China
Prior art keywords
rotor
end ring
face
conductive bar
utility
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CN201721510456.8U
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Chinese (zh)
Inventor
齐秀秀
向东
付清轩
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Anhui Meizhi Precision Manufacturing Co Ltd
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Anhui Meizhi Precision Manufacturing Co Ltd
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Priority to CN201721510456.8U priority Critical patent/CN207573206U/en
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Abstract

The utility model discloses a kind of rotor and there is its motor, compressor and refrigeration equipment, the rotor includes:Rotor core, in the rotor core equipped with it is multiple circumferentially spaced along its and along its axially through rotor slot;Multiple conductive bars, multiple conductive bars are plugged in correspondingly in multiple rotor slots;Two end ring, two end ring are respectively arranged on the axial both ends of the rotor core, and multiple conductive bars are connected by the end ring, wherein, the conductive bar is copper piece, and the end ring is aluminum component.According to the rotor of the utility model embodiment, the detent torque of rotor can be improved so that the efficient and startability of motor and compressor equipped with the rotor is good.

Description

Rotor and with its motor, compressor and refrigeration equipment
Technical field
The utility model is related to compressor apparatus field, more particularly, to a kind of rotor and with its motor, compressor And refrigeration equipment.
Background technology
The conductive bar and end ring of cage rotor in the relevant technologies are aluminum component or are copper piece, when conductive bar and end ring When being aluminum component, since the resistivity of aluminum material is high, the power density that thereby results in motor is low, volume is big, resistance is big, motor energy Consumption is high and electric efficiency is low;When conductive bar and end ring are copper piece, although electric efficiency can be promoted, the startability of motor It can be poor.
For the more severe compressor of use environment, refrigerant will appear depositional phenomenon during low temperature, and compressor opens at this time Dynamic resistance is larger, and conductive bar and end ring are that the rotor of copper piece can not meet startup needs, cause compressor start bad and shadow It rings and uses.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.For this purpose, this reality With a kind of rotor of novel proposition, the detent torque height of the rotor.
The utility model also proposes a kind of motor with above-mentioned rotor.
The utility model also proposes a kind of compressor with above-mentioned motor.
The utility model also proposes a kind of refrigeration equipment with above-mentioned compressor.
According to the rotor of the utility model first aspect embodiment, including:Rotor core, the rotor core are equipped with more It is a circumferentially spaced along its and along its axially through rotor slot;Multiple conductive bars, multiple conductive bars are correspondingly It is plugged in multiple rotor slots;Two end ring, two end ring are respectively arranged on the axial both ends of the rotor core, more A conductive bar is connected by the end ring, wherein, the conductive bar is copper piece, and the end ring is aluminum component.
According to the rotor of the utility model embodiment, by making conductive bar, for copper piece, end ring is aluminum component, can improve rotor Detent torque so that the efficient and startability of motor and compressor equipped with the rotor is good.
In addition, according to the rotor of the utility model embodiment, there can also be following additional technical feature:
In some embodiments, the conductive bar and the rotor slot are bonded to each other.
In some embodiments, at least one end face of the conductive bar and the end face of rotor core be not concordant.
Optionally, at least one end face of the conductive bar externally protrudes out in the end face of the rotor core.
Optionally, at least one end face indent of the conductive bar is in the end face of the rotor core, the rotor slot Equipped with auxiliary member, the auxiliary member be set between the conductive bar and the end ring, and the outer end face of the auxiliary member with it is described The end face of rotor core is concordant, and the conductive bar and the end ring are electrically connected by the auxiliary member.
In some embodiments, the conductive bar for solid bar and inserting in the corresponding rotor slot and with described in two End ring is connected.
In some embodiments, at least one end ring has pattern draft α, and the α meets:1°≤α≤5°.
In some embodiments, the rotor slot shape becomes circular trough, polygon groove, peariform slot or special-shaped slot.
According to the motor of the utility model second aspect, including the rotor according to the above-mentioned first aspect of the utility model.
Motor according to the present utility model, by setting the rotor of above-mentioned first aspect, so as to improve the entirety of motor Performance, the efficient and startability of motor are good.
According to the compressor of the utility model third aspect, including the motor according to the above-mentioned second aspect of the utility model.
Compressor according to the present utility model, by setting the motor of above-mentioned second aspect, so as to improve compressor Overall performance.
According to the refrigeration equipment of the utility model fourth aspect, including the compressor according to the utility model third aspect.
Refrigeration equipment according to the present utility model, by setting the compressor of the above-mentioned third aspect, so as to improve refrigeration The overall performance of equipment.
The additional aspect and advantage of the utility model will be set forth in part in the description, partly will be from following description In become apparent or recognized by the practice of the utility model.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the utility model will in the description from combination accompanying drawings below to embodiment Become apparent and be readily appreciated that, wherein:
Fig. 1 is the axial, cross-sectional view (longitdinal cross-section diagram) according to the rotor of the utility model one embodiment;
Fig. 2 is a part for the axial, cross-sectional view (longitdinal cross-section diagram) of the rotor shown in Fig. 1;
Fig. 3 is a part for the axial, cross-sectional view (longitdinal cross-section diagram) of the rotor shown in Fig. 1;
Fig. 4 is the axial, cross-sectional view (longitdinal cross-section diagram) according to the rotor of utility model another embodiment.
Reference numeral:
Rotor 100;
Rotor core 1;Mounting hole 11;Rotor slot 12;
End ring 2;Auxiliary member 21;
Conductive bar 3.
Specific embodiment
The embodiment of the 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 attached drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that the utility model Limitation.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the utility model.For The disclosure of simplified the utility model, is hereinafter described the component of specific examples and setting.Certainly, they are only and show Example, and purpose does not lie in limitation the utility model.In addition, the utility model can in different examples repeat reference numerals And/or letter.This repetition is for purposes of simplicity and clarity, itself not indicate discussed various embodiments and/or set Relationship between putting.In addition, various specific techniques and the example of material that the utility model provides, but this field is common Technical staff can be appreciated that the applicable property of other techniques and/or the use of other materials.
Below with reference to Fig. 1-Fig. 4 descriptions according to the rotor 100 of the utility model first aspect embodiment.
With reference to Fig. 1 and Fig. 4, rotor 100 includes:1, two end ring 2 of rotor core and multiple conductive bars 3.
With reference to Fig. 1 and Fig. 4, rotor core 1 be equipped with it is multiple circumferentially spaced along its and along its axially through rotor Slot 12.For example, rotor core 1 can be cylindrical and be formed with mounting hole 11 and multiple rotor slots 12 thereon, wherein, mounting hole 11 along the center axially through rotor core 1 of rotor core 1, multiple for being connected with compression mechanism (as described later) Rotor slot 12 is along rotor core 1 circumferentially around mounting hole 11 and along rotor core 1 axially through multiple for assembling Conductive bar 3, specifically, multiple conductive bars 3 are plugged in correspondingly in multiple rotor slots 12, that is to say, that each rotor slot A conductive bar 3 is respectively fitted in 12.
Two end ring 2 are respectively arranged on the axial both ends of rotor core 1, such as in Fig. 1 and example shown in Fig. 4, rotor The axial direction of iron core 1 vertically extends, and two end ring 2 are respectively provided at the upper and lower ends of rotor core 1.
Multiple conductive bars 3 are connected by end ring 2, specifically, the axial both ends of each conductive bar 3 respectively with two end ring 2 It is corresponding to be connected, such as in Fig. 1 and example shown in Fig. 4, the end ring 2 of the upper end of each conductive bar 3 with 1 upper end of rotor core It is connected and is conducted with realizing, the lower end of each conductive bar 3 is connected with the end ring 2 of 1 lower end of rotor core is conducted with realizing.
Wherein, conductive bar 3 is copper piece, and end ring 2 is aluminum component.It should be noted that " copper piece " described here includes full copper Material member and Copper alloy material part, i.e. conductive bar 3 can be full copper material part or Copper alloy material part, when conductive bar 3 is full copper During material member, illustrate that conductive bar 3 is made of pure copper material (red copper material), when conductive bar 3 is Copper alloy material part, explanation is led Electric item 3 is made of Cu alloy material, such as can be made of brass, bronze or copper-nickel alloy material.In some instances, multiple conductions Item 3 is full copper material part;In some instances, multiple conductive bars 3 are Copper alloy material part;In some instances, it is multiple A part in conductive bar 3 is full copper material part, and another part is Copper alloy material part.
Similarly, " aluminum component " described here includes full aluminium material part and aluminum alloy material part, i.e. end ring 2 can be full aluminium Material member or aluminum alloy material part when end ring 2 is full aluminium material part, illustrate that end ring 2 is made of pure aluminum material at this time, works as end ring 2 be aluminum alloy material part when, illustrate that end ring 2 is made of aluminum alloy materials at this time.In some instances, two end ring 2 are complete Aluminium material part;In some instances, two end ring 2 are aluminum alloy material part;In some instances, one in two end ring 2 A is full aluminium material part, another is aluminum alloy material part.
According to the rotor 100 of the utility model embodiment, by making conductive bar 3 for copper piece, end ring 2 is aluminum component, Ke Yiti The detent torque of high rotor 100 so that the efficient and startability of motor and compressor equipped with the rotor 100 is good.
In some embodiments of the utility model, conductive bar 3 and rotor slot 12 are bonded to each other, i.e. conductive bar 3 and rotor There is no gaps between slot 12, and the cross sectional shape of conductive bar 3 is identical with the cross sectional shape of rotor slot 12, the section face of conductive bar 3 Product is equal with the area of section of rotor slot 12, it is possible thereby to ensure that raising is led under the premise of 100 overall volume of rotor is not increased The volume of electric item 3, so as to promote the performance of rotor 100.
In some embodiments of the utility model, at least one end face of conductive bar 3 and the end face of rotor core 1 are uneven Together.Specifically, in some instances, as shown in Figure 1 and Figure 4, the end face of two end faces of conductive bar 3 and rotor core 1 is not Concordantly;In some instances, only there are one end face and the end face of rotor core 1 be not concordant in two end faces of conductive bar 3.
Optionally, at least one end face of conductive bar 3 externally protrudes out in the end face of rotor core 1, i.e. the two of conductive bar 3 end face The end face (as shown in Figure 4) of rotor core 1 can be externally protruded out in, naturally it is also possible to be that an end face of conductive bar 3 externally protrudes out in The end face of rotor core 1, another end face is concordant with the end face of rotor core 1 or indent is in the end face of rotor core 1.
Optionally, at least one end face indent of conductive bar 3 is in the end face of rotor core 1, i.e. the two of conductive bar 3 end face Can indent in the end face of rotor core 1 (as shown in fig. 1), naturally it is also possible to be, an end face indent of conductive bar 3 in The end face of rotor core 1, another end face is concordant with the end face of rotor core 1 or externally protrudes out in the end face of rotor core 1.Further Ground as shown in fig. 1, is equipped with auxiliary member 21, auxiliary member 21 is set between conductive bar 3 and end ring 2, and auxiliary member in rotor slot 12 21 outer end face is concordant with the end face of rotor core 1, and the inner face of auxiliary member 21 is electrically connected with conductive bar 3, outside auxiliary member 21 End face is electrically connected with end ring 2, and thus conductive bar 3 and end ring 2 are electrically connected by auxiliary member 21.Optionally, end ring 2 and auxiliary member 21 After being separately formed, then auxiliary member 21 is connected, such as can be connected by welding manner with end ring 2.Preferably, end ring 2 It can be integrally formed part, such as can be molded by integrated die-casting with auxiliary member 21, thus can not only simplify production technology, Facilitate the manufacturing, and so that the connection reliability between end ring 2 and auxiliary member 21 is high.
It is not concordant by least one end face and the end face of rotor core 1 that make conductive bar 3 by upper, it can cause conduction Connection between item 3 and end ring 2 is more reliable and more stable, and 100 performance of rotor is more preferable.
It should be noted that in this application, " outer " refers to the direction far from 100 center of rotor, with " outer " meaning side It is in the opposite direction " interior ".
In one embodiment of the utility model, conductive bar 3 for solid bar and inserting in corresponding rotor slot 12 and with Two end ring 2 are connected.Since the fusing point of copper is higher, by installation to rotor slot 12 after the single machine-shaping admittedly of conductive bar 3, can subtract Few high temperature is good to loss, 100 overall performance of rotor caused by rotor core 1.Optionally, end ring 2 separately formed can also be formed It is connected after solid with conductive bar 3 by welding manner, connection reliability height and good conductivity.Preferably, end ring 2 can pass through pressure Casting is formed on rotor core 1, it is possible thereby to save the Joining Technology between end ring 2 and conductive bar 3, facilitates the manufacturing.
Certainly, the application is not limited to this, and conductive bar 3 and end ring 2 may be to be integrally formed part, i.e. conductive bar 3 and end Ring 2 is by being integrally machined molding, such as conductive bar 3 and end ring 2 can be molded by integrated die-casting.Production is not only simplified as a result, Technique, convenient for automatic mass production, and the connection of conductive bar 3 and end ring 2 is reliably high, good conductivity.
Here it is possible to understand, the processing method of " integrated die-casting molding " and the processing method of " being weldingly connected " are As it is known to those skilled in the art that I will not elaborate.
In one embodiment of the utility model, at least one end ring 2 has pattern draft α, and α meets:1°≤α≤ 5°.Can be that two end ring 2 are respectively provided in pattern draft α (as shown in Fig. 1-Fig. 4) or two end ring 2 only One end ring 2 has pattern draft α, and pattern draft α minimums are not less than 1 °, and maximum no more than 5 °, such as pattern draft α can Think 1 °, 2 °, 2.5 °, 4 ° or 5 ° etc..By setting above-mentioned pattern draft α, end ring 2 can be facilitated to demould, thus facilitate end ring 2 The manufacturing.
Optionally, end ring 2 has inner peripheral surface and peripheral surface, only can have pattern draft α by inner peripheral surface, can also only periphery There is pattern draft α or inner peripheral surface and peripheral surface to be respectively provided with pattern draft α in face, when inner peripheral surface and peripheral surface are respectively provided with draft During gradient α, pattern draft α can be equal or can be unequal.
It should be noted that with reference to shown in Fig. 2-Fig. 3, when the peripheral surface of end ring 2 has pattern draft α, end ring 2 Peripheral surface can be formed towards the inclined-plane of the axially inclined extension of rotor core 1, the inclined-plane relative to rotor core 1 axial direction Inclination angle be pattern draft α;When the inner peripheral surface of end ring 2 has pattern draft α, the inner peripheral surface of end ring 2 can be formed as The inclined-plane of axially inclined extension far from rotor core 1, the inclined-plane are draft relative to the axial inclination angle of rotor core 1 Gradient α.
In one embodiment of the utility model, rotor slot 12 is formed as circular trough, polygon groove (such as triangle Slot, quadrangle slot or pentagon slot etc.), peariform slot or special-shaped slot.Wherein, the concept of " peariform slot " is those skilled in the art institute Known, I will not elaborate.
Motor according to the utility model second aspect embodiment is described below.
According to the motor (not shown) of the utility model embodiment, including:Stator (not shown) and rotor 100, In, rotor 100 is the rotor 100 according to the above-mentioned first aspect embodiment of the utility model.
Specifically, stator includes stator core and stator winding, stator core is formed to define out the ring of central shaft hole Cylindricality, be formed on stator core along stator core axially through and along stator core circumferentially spaced distribution it is multiple fixed Pilot trench, stator winding are set around stator slot, and rotor 100 is rotatably arranged in central shaft hole.Motor is inner-rotor-type electricity as a result, Machine.
According to the motor of the utility model embodiment, since its setting is according to the rotor 100 of the utility model first aspect, So as to improve the overall performance of motor, the efficient and startability of motor is good.
Compressor according to the utility model third aspect embodiment is described below.
According to the compressor (not shown) of the utility model embodiment, including:Compression mechanism (not shown) and motor (not shown), wherein, motor is the motor according to the above-mentioned second aspect of the utility model.
Specifically, motor is connected with compression mechanism for driving compression mechanism compression refrigerant, followed so as to fulfill refrigeration Ring.Such as in some embodiments of the utility model, compressor can be rotary compressor, Rotary Compressor, reciprocal Formula compressor etc., motor are connected by its rotor 100 with the bent axle of compression mechanism, compression mechanism to be driven to carry out refrigerant compression Work.Here it is possible to understand, no matter compressor why type, compression mechanism is specifically configured to art technology Known to personnel, therefore no longer it is described in detail.In addition, according to other compositions of the compressor of the utility model embodiment such as housing And operation is all for those of ordinary skills known, is not detailed herein.
According to the compressor of the utility model embodiment, by setting the motor of above-mentioned second aspect, so as to improve pressure The overall performance of contracting machine.
Refrigeration equipment according to the utility model fourth aspect embodiment is described below.
According to the refrigeration equipment (not shown) of the utility model embodiment, (figure is not for the compressor including above-described embodiment It shows).Wherein, refrigeration equipment can be the equipment that air-conditioning, refrigerator etc. have refrigerating function.
According to the refrigeration equipment of the utility model embodiment, by setting the compressor of the above-mentioned third aspect, so as to improve The overall performance of refrigeration equipment.
In the description of the present invention, it is to be appreciated that term " " center ", " longitudinal direction ", " transverse direction ", " axial direction ", " diameter To ", the orientation of the instructions such as " circumferential direction " or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of and retouch State the utility model and simplify description rather than instruction or imply signified device or element must have specific orientation, with Specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity for indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more this feature." multiple " are meant that two or two in the description of the present invention, More than, unless otherwise specifically defined.
In the utility model unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral;Can be Mechanical connection or electrical connection;It can be directly connected, can also be indirectly connected by intermediary, can be two The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands concrete meaning of the above-mentioned term in the utility model.In addition, in the utility model, unless otherwise clear and definite Regulation and restriction, fisrt feature can be that the first and second features are in direct contact or first "above" or "below" second feature Pass through intermediary mediate contact with second feature.
In the description of this specification, reference term " one embodiment ", " example ", " is specifically shown " some embodiments " The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with It combines in an appropriate manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field Technical staff can by the different embodiments or examples described in this specification and the feature of different embodiments or examples into Row combines and combination.
While there has been shown and described that the embodiment of the utility model, it will be understood by those skilled in the art that: In the case of the principle and objective for not departing from the utility model can these embodiments be carried out with a variety of variations, modification, replaced And modification, the scope of the utility model are limited by claim and its equivalent.

Claims (11)

1. a kind of rotor, which is characterized in that including:
Rotor core, the rotor core be equipped with it is multiple circumferentially spaced along its and along its axially through rotor slot;
Multiple conductive bars, multiple conductive bars are plugged in correspondingly in multiple rotor slots;
Two end ring, two end ring are respectively arranged on the axial both ends of the rotor core, and multiple conductive bars pass through institute End ring is stated to be connected, wherein, the conductive bar is copper piece, and the end ring is aluminum component.
2. rotor according to claim 1, which is characterized in that the conductive bar and the rotor slot are bonded to each other.
3. rotor according to claim 1, which is characterized in that at least one end face of the conductive bar and rotor core End face is not concordant.
4. rotor according to claim 3, which is characterized in that at least one end face of the conductive bar externally protrudes out in described turn The end face of sub- iron core.
5. rotor according to claim 3, which is characterized in that at least one end face indent of the conductive bar is in described turn The end face of sub- iron core, the rotor slot is interior to be equipped with auxiliary member, and the auxiliary member is set between the conductive bar and the end ring, and The outer end face of the auxiliary member is concordant with the end face of the rotor core, and the conductive bar and the end ring pass through the auxiliary member It is electrically connected.
6. rotor according to claim 1, which is characterized in that the conductive bar is solid bar and inserting is in corresponding described Rotor slot and it is connected with two end ring.
7. rotor according to claim 1, which is characterized in that at least one end ring has pattern draft α, and described α meets:1°≤α≤5°.
8. rotor according to claim 1, which is characterized in that the rotor slot shape becomes circular trough or peariform slot.
9. a kind of motor, which is characterized in that including the rotor according to any one of claim 1-8.
10. a kind of compressor, which is characterized in that including motor according to claim 9.
11. a kind of refrigeration equipment, which is characterized in that including compressor according to claim 10.
CN201721510456.8U 2017-11-13 2017-11-13 Rotor and with its motor, compressor and refrigeration equipment Active CN207573206U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721510456.8U CN207573206U (en) 2017-11-13 2017-11-13 Rotor and with its motor, compressor and refrigeration equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721510456.8U CN207573206U (en) 2017-11-13 2017-11-13 Rotor and with its motor, compressor and refrigeration equipment

Publications (1)

Publication Number Publication Date
CN207573206U true CN207573206U (en) 2018-07-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107666224A (en) * 2017-11-13 2018-02-06 安徽美芝精密制造有限公司 Rotor and there is its motor, compressor and refrigeration plant

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107666224A (en) * 2017-11-13 2018-02-06 安徽美芝精密制造有限公司 Rotor and there is its motor, compressor and refrigeration plant

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