CN207819712U - Motor and compressor and refrigeration equipment with it - Google Patents

Abstract

The utility model discloses a kind of motor and with its compressor and refrigeration equipment, the motor includes stator and rotor, stator includes stator core and stator winding, stator core is formed to define out the Ring-cylindrical of central shaft hole, be formed on stator core along stator core axially through and along stator core circumferentially spaced distribution multiple stator slots, stator winding is set around stator slot, on the center shaft section of stator core, the gross area S2 of multiple stator slots and the outlet of stator core meet 0.16≤S2/S1≤0.2 around the ratio between area S1, the ratio between the high H of yoke of stator and the maximum outside diameter D of stator meet 0.14≤H/D≤0.18, rotor is rotatably arranged in central shaft hole and includes rotor core and multiple conductive bars, at least one conductive bar is full copper piece or copper aluminium synthetic parts.Motor according to the present utility model, loss are low, efficient.

Description

Motor and compressor and refrigeration equipment with it

Technical field

The utility model is related to compressor apparatus fields, more particularly, to a kind of motor and with its compressor and refrigeration Equipment.

Background technology

Rotary compressor in the related technology, the conductive bar in rotor is often aluminum material, and is often cast by die casting The mode of aluminium is process, however, such conductive bar can cause conducting between the multilayer silicon steel sheet of rotor core, is caused Rotor loss increases.

In order to improve the efficiency of compressor, point out that the relatively low cast copper conduction of resistivity may be used in the related technology Item, but the fusing point of copper is higher, the high temperature of copper liquid can destroy the insulation between rotor core multilayer silicon steel sheet in press casting procedure, make It is larger to obtain rotor energy consumption.Moreover, because the resistivity of copper is low compared with aluminium, thus using the rotor of cast copper conductive bar be difficult to it is existing fixed The good collocation of son uses, and causes the loss of motor higher.

Utility model content

The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model exists In a kind of motor of proposition, the reliability height of the motor, loss are low, efficient.

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 motor of the utility model first aspect, including：Stator, the stator include stator core and stator around Group, the stator core are formed to define out the Ring-cylindrical of central shaft hole, are formed on the stator core along the stator iron Core axially through and along the stator core circumferentially spaced distribution multiple stator slots, the stator winding is set around institute Stator slot is stated, on the center shaft section of the stator core, gross area S2 and the stator core of multiple stator slots Outlet around the ratio between area S1 meet 0.16≤S2/S1≤0.2, the maximum outside diameter D of the high H of yoke and the stator of the stator The ratio between meet 0.14≤H/D≤0.18；Rotor, the rotor are rotatably arranged in the central shaft hole and include rotor core With multiple conductive bars, be formed on the rotor core along the rotor core axially through and along the rotor core week To multiple rotor slots of distribution spaced apart, multiple conductive bars difference corresponding matchings are at least one in multiple rotor slots The conductive bar is full copper piece or copper aluminium synthetic parts.

Motor according to the present utility model, loss are low, efficient.

In some embodiments, the stator slot is peariform slot or flat-bottom slot.

In some embodiments, the stator slot is open slot or closed slot.

In some embodiments, there is application of anti-leakage layers in the rotor slot and the conductive bar die casting is in the corresponding rotor Slot.

In some embodiments, the application of anti-leakage layers is anti-source/drain insulation layer.

In some embodiments, the anti-source/drain insulation layer is the coating being located on the inner surface of the rotor slot.

In some embodiments, the conductive bar is solid bar and inserting is in the corresponding rotor slot, the rotor slot Insulating layer is equipped at cooperation with the conductive bar.

In some embodiments, the insulating layer is the coating being located on the inner surface of the rotor slot or chemical reaction Layer, and/or the coating or chemically reactive layer or electroplated layer being located on the outer surface of the conductive bar.

In some embodiments, the coating be ceramic-like pulp layer, inorganic coating, in half organic half inorganic coating extremely It is one few.

According to the compressor of the utility model second aspect, including：Compression mechanism and motor, the motor are according to this reality It is connected with the motor of novel first aspect and with the compression mechanism for driving the compression mechanism compression refrigerant.

Compressor according to the present utility model, by the way that the motor of above-mentioned second aspect is arranged, to improve compressor Overall performance.

Include the compressor according to the utility model second aspect according to the refrigeration equipment of the utility model third aspect.

Refrigeration equipment according to the present utility model, by the way that the compressor of above-mentioned second aspect is arranged, 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

Fig. 1 is the stereogram according to the rotor of the utility model embodiment；

Fig. 2 is the center cross-sectional figure of rotor shown in Fig. 1；

Fig. 3 is the center longitudinal section of rotor shown in Fig. 1.

Fig. 4 is the stereogram according to the stator of the utility model embodiment；

Fig. 5 is the center cross-sectional figure of stator shown in Fig. 4；

Fig. 6 is the sectional view according to the compressor of the utility model embodiment.

Reference numeral：

Compressor 1000；

Motor A；

Rotor 100；

Rotor core 11；Mounting hole 111；Rotor slot 112；

Conducting end portions 12；Conductive bar 13；Balance weight 14；

Stator 200；

Stator core 21；Central shaft hole 211；Stator slot 212；

Stator winding 22；

Compression mechanism 300；Bent axle 301；

Shell 400；Lead 500；Connecting terminal 600.

Specific implementation mode

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to 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 setting.In addition, the example for the various specific techniques and 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.

In the following, with reference to figure 1- Fig. 6, the motor A according to the utility model embodiment is described.

Include with reference to Fig. 4-Fig. 6, motor A：Stator 200 and rotor 100, stator 200 include stator core 21 and stator around Group 22, the Ring-cylindrical that stator core 21 (can be formed by multi-layer stacks closed assembly) is formed to define out central shaft hole 211 (is not limited to Annulus cylindricality, that is to say, that the peripheral surface of stator core 21 is not limited to cylindrical surface, such as can be polygon cylinder, such as Fig. 4 and Shown in Fig. 5), it is formed on stator core 21 along stator core 21 axially through and along circumferentially spaced point of stator core 21 Multiple stator slots 212 of cloth, such as in the example depicted in fig. 5, when stator slot 212 is that (concept of " open slot " is open slot Common knowledge) when, stator slot 212 can be directly outwardly concaved by the inner peripheral surface of stator core 21 and be formed, and when stator slot 212 is When closed slot (concept of " closed slot " is common knowledge), stator slot 212 can be close to the inner peripheral surface setting of stator core 21.It is fixed Sub- winding 22 is set around stator slot 212 (mode of the winding on stator slot 212 of stator winding 22 is common knowledge).Rotor 100 It is rotatably arranged in central shaft hole 211, so that motor A is inner rotor type motor.

- Fig. 3 referring to Fig.1, rotor 100 include：Rotor core 11 and multiple conductive bars 13, rotor core 11 (can be by more Laminates closed assembly forms) on be formed with along rotor core 11 axially through and along rotor core 11 circumferentially spaced distribution Multiple rotor slots 112.For example, rotor core 11 can be cylindrical and be formed with mounting hole 111 and multiple rotor slots thereon 112, wherein mounting hole 111 along the center axially through rotor core 11 of rotor core 11, for compression mechanism 300 (as described later, referring to Fig. 6) is connected, and multiple rotor slots 112 are along rotor core 11 circumferentially around mounting hole 111 and close turn The periphery of sub- iron core 11 is arranged, and each rotor slot 112 is along rotor core 11 axially through for the multiple conductive bars of assembly 13, multiple conductive bars 13 distinguish corresponding matching in multiple rotor slots 112, that is to say, that are respectively fitted in each rotor slot 112 One conductive bar 13, the both ends of each conductive bar 13 can exceed the both ends of corresponding rotor slot 112.In addition, according to this Other compositions of the rotor 100 of utility model embodiment are such as Conducting end portions 12 and balance weight 14 for ordinary skill All it is known for personnel, is not detailed herein.

As shown in Figure 1 and Figure 5, at least one conductive bar 13 is full copper piece or copper aluminium synthetic parts, that is to say, that at least one Conductive bar 13 is process using copper material completely or at least one conductive bar 13 is process using copper material and aluminium synthesis, Thus, it is possible to reduce the resistivity of conductive bar 13 so that the outer diameter R of rotor core 11 can reduce, in this way, in stator core 21 Center shaft section (cross section that center i.e. in 200 axial direction of stator is made) on, the gross area S2 of multiple stator slots 212 It can meet 0.16 around the ratio between area (nearly regular hexagon area as shown in Figure 5) S1 with the outlet of stator core 21≤ S2/S1≤0.2, (concept of " yoke is high " is common knowledge, the i.e. slot bottom and stator core of stator slot 212 to the high H of yoke of stator 200 Minimum range between 21 peripheries) with the ratio between the maximum outside diameter D of stator 200 it can meet 0.14≤H/D≤0.18.Preferably, Shaft section of the stator core 21 at arbitrary axial height is identical as the center shaft section of stator core 21.

As a result, according to the motor A of the utility model embodiment, by by least one conductive bar 13 be set as full copper piece or Copper aluminium synthetic parts, so as to reduce the outer diameter of rotor core 11 and optimized to the structure of stator core 21, to reduce The flux density of stator 200 reduces the loss of motor A so that motor A efficiency is increased dramatically.

In some alternative embodiments of the utility model, as shown in figure 5, stator slot 212 can be peariform slot, wherein The concept of " peariform slot " is well known to those skilled in the art, and I will not elaborate, is facilitated processing as a result, and is facilitated stator winding 22 coiling.Certainly, the utility model is without being limited thereto, in the other alternative embodiment of the utility model, stator slot 212 Can also be flat-bottom slot, wherein the concept of " flat-bottom slot " is well known to those skilled in the art, and I will not elaborate, as a result, may be used To improve the adaptability of stator 200.

In some alternative embodiments of the utility model, as shown in figure 5, stator slot 212 can be open slot, wherein The concept of " open slot " is well known to those skilled in the art, and I will not elaborate, is facilitated processing as a result, and is facilitated stator winding 22 coiling.Certainly, the utility model is without being limited thereto, in the other alternative embodiment of the utility model, stator slot 212 Can also be closed slot, wherein the concept of " closed slot " is well known to those skilled in the art, and I will not elaborate, as a result, may be used To improve the adaptability of stator 200, and the performance of stator 200 can be improved.

There is application of anti-leakage layers in some alternative embodiments of the utility model, in rotor slot 112 and 13 die casting of conductive bar in Corresponding rotor slot 112, thus by the way that the problem of application of anti-leakage layers can leak out to avoid die-casting material from rotor slot 112 is arranged, from And the distance between 112 outermost of rotor slot and 100 periphery of rotor L (such as 0.3mm can be less than) can be reduced, and then improve The reliability of rotor 100, and reduce the energy consumption of rotor 100.Here it is possible to understand, " application of anti-leakage layers " refers to thering is anti-casting Material leaks out the layer body of function, and the optional material of the layer body with drip-preventing function is well known to those skilled in the art.

In the another aspect embodiment of the utility model, conductive bar 13 is solid bar and inserting is in corresponding rotor slot 112, it is avoided as a result, using problem of leakage caused by die-casting process, that is to say, that when assembling conductive bar 13, conductive bar 13 is not It outer can drain to except rotor core 11, so as to reduce the distance between 112 outermost of rotor slot and 100 periphery of rotor L, into And the reliability of rotor 100 is improved, and reduce the energy consumption of rotor 100.

As a result, according to the rotor of the utility model embodiment 100, by the setting application of anti-leakage layers in rotor slot 112 or incite somebody to action Conductive bar 13 is set as the form of solid bar, i.e., can be effective by carrying out specially treated to rotor slot 112 or conductive bar 13 Reduce the minimum range L between rotor slot 112 and the periphery of rotor core 11, to improve the reliability of rotor 100, reduces and turn The energy consumption of son 100 so that the efficiency of motor A is more energy saving when greatly improving, running.

In some embodiments of the utility model, application of anti-leakage layers is insulation application of anti-leakage layers.That is, application of anti-leakage layers is in addition to having Other than the function that anti-casting material leaks out, also has the function of insulation.As a result, according to the rotor of the utility model embodiment 100, pass through The setting insulation application of anti-leakage layers in rotor slot 112, so as to avoid the conductivity issues between rotor core 11 and conductive bar 13, into And the reliability of rotor 100 can be improved, reduce loss so that be equipped with the efficiency of the compressor 1000 and motor A of the rotor 100 It greatly improves.In addition, since application of anti-leakage layers also has the function of insulation, thus after the completion of die casting, without carrying out heat treatment (i.e. The process that rotor core 11 is deviate from from shell 400), therefore the abbreviation manufacturing procedure of rotor 100, improve rotor 100 Processing efficiency, and the structure of rotor 100 is simple, facilitates processing.

In some embodiments of the utility model, when conductive bar 13 be solid bar and inserting in rotor slot 112 when, rotor It is equipped with insulating layer at slot 112 and the cooperation of conductive bar 13.That is, can be in the inner surface and conductive bar 13 of rotor slot 112 Outer surface between insulating layer is set.Here it is possible to understand, " insulating layer " refers to the layer body with insulation function, and The optional material of layer body with insulation function is well known to those skilled in the art.

As a result, according to the rotor of the utility model embodiment 100, by the cooperation of rotor core 11 and conductive bar 13 Insulating layer with insulation function is set, so as to avoid the conductivity issues between rotor core 11 and conductive bar 13, in turn The reliability of rotor 100 can be improved, reduce loss so that the efficiency of the compressor 1000 and motor A that are equipped with the rotor 100 is big Width improves.

Preferably, insulation at least one of application of anti-leakage layers and insulating layer is coating, and coating is ceramic-like slurry coating, inorganic At least one of coating and half organic half inorganic coating, that is to say, that coating be ceramic-like slurry, inorganic material and The homogenous material layer of one of them either ceramic-like slurry, inorganic material and half organic half in half organic half inorganic material The mixed material layer of multiple combinations in inorganic material.Facilitate acquisition as a result, at low cost, insulation effect is good.Moreover, the present embodiment Coating in addition to insulation function also with heat insulating function, so as to further increase the reliability and drop of rotor 100 Low energy consumption.

Certainly, the utility model is without being limited thereto, and in the other embodiment of the utility model, insulating layer can be other classes The insulation forming layer of type, such as can also be (such as to pass through peroxidating using being formed as chemically reactive layer by the way of chemically reacting React formed oxide skin(coating)), can also use be electroplated by the way of be formed as electroplated layer etc..Facilitate processing and acquisition as a result,.

Such as in some preferable examples of the utility model, when insulating layer is formed on the inner surface of rotor slot 112, Insulating layer can be coating or chemically reactive layer, facilitate processing, exploitativeness strong as a result,.And when insulating layer is formed in conduction When on the outer surface of item 13, insulating layer can be coating, chemically reactive layer and electroplated layer etc..Facilitate processing as a result, is processed into This is low.

It is conductive when 13 die casting of conductive bar is in corresponding rotor slot 112 in some alternative embodiments of the utility model Item 13 and two 12 integrated die-castings of Conducting end portions are molded.Thus, it is possible to automatic mass production, and conductive bar 13 and conduction The connection of end 12 is reliable, good conductivity.In the other alternative embodiment of the utility model, when conductive bar 13 is solid Item and inserting is when corresponding rotor slot 112, conductive bar 13 is weldingly connected with two Conducting end portions 12.Facilitate processing as a result, and The good conductivity of conductive bar 13 and Conducting end portions 12.Moreover, when rotor 100 is copper rotor, copper rotor can be reduced Processing loss assembles the conductive bar 13 of copper material using the technique of non-die casting and leads specifically, the fusing point due to copper is higher When electric end 12, it is possible to reduce high temperature is lost caused by 11 silicon steel sheet of rotor core.Here it is possible to understand, " one pressure The processing method of type casting moulding " and the processing method of " being weldingly connected " are well known to those skilled in the art, and I will not elaborate.

In the following, with reference to Fig. 6, the compressor 1000 according to the utility model embodiment is described.

As shown in fig. 6, according to the compressor 1000 of the utility model embodiment, including：Compression mechanism 300 and motor A, In, motor A is the motor A according to the utility model above-described embodiment.

Specifically, motor A is connected with compression mechanism 300 for driving 300 compression refrigerant of compression mechanism, to realize Refrigeration cycle.Such as in some embodiments of the utility model, compressor 1000 can be rotary compressor (such as Fig. 6 institutes Show), Rotary Compressor (not shown), reciprocating compressor (not shown) etc., motor A passes through its rotor 100 and pressure The bent axle 301 of contracting mechanism 300 is connected, to drive compression mechanism 300 to carry out refrigerant compression work.Here it is possible to understand, nothing By compressor 1000 why type, compression mechanism 300 is specifically configured to as it is known to those skilled in the art that therefore no longer It is described in detail.

In addition, as shown in fig. 6, compressor 1000 can also include the shell 400 for accommodating compression mechanism 300 and motor A, shell There is connecting terminal 600, motor A to be connected with connecting terminal 600 by lead 500 on body 400.In addition, according to the utility model The compressor 1000 of embodiment other constitute and operation be all for those of ordinary skills it is known, here It is not described in detail.

According to the compressor 1000 of the utility model embodiment, since the motor A of its setting has, reliability is high, loss is low Etc. advantages, therefore the compressor 1000 of the present embodiment also advantage having the same, and the efficiency of compressor 1000 can be carried substantially It is high.

Refrigeration equipment according to the utility model embodiment is described below.

According to the refrigeration equipment (not shown) of the utility model embodiment, include the compressor 1000 of above-described embodiment. Wherein, refrigeration equipment can be the equipment with refrigerating function such as air-conditioning, refrigerator.

According to the refrigeration equipment of the utility model embodiment, since the compressor 1000 of its setting is with efficient, reliable Property high, the low advantage of loss, therefore the refrigeration equipment of the present embodiment also advantage having the same.In addition, according to the utility model Other compositions of the refrigeration equipment of embodiment such as heat exchanger, throttle valve and operation for those of ordinary skill in the art and Speech is all known, is not detailed herein.

In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " axial direction ", " diameter To ", the orientation or positional relationship of the instructions such as " circumferential direction " be to be based on the orientation or positional relationship shown in the drawings, be merely for convenience of retouching State the utility model and simplify and describe, do not indicate or imply the indicated device or element must have a particular orientation, with Specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.

In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more this feature.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be Mechanical connection can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary two The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.In addition, in the present invention, unless otherwise clear 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 ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example 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 can be combined in any suitable 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 feature of different embodiments or examples described in this specification and different embodiments or examples into Row combines and combination.

While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that： Can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and objective, modification, replaced And modification, the scope of the utility model are limited by claim and its equivalent.

Claims (10)

1. a kind of motor, which is characterized in that including：

Stator, the stator include stator core and stator winding, and the stator core is formed to define out the ring of central shaft hole Cylindricality, be formed on the stator core along the stator core axially through and along the stator core it is circumferentially spaced Multiple stator slots of distribution, the stator winding is set around the stator slot, more on the center shaft section of the stator core The gross area S2 of a stator slot meets 0.16≤S2/S1≤0.2 with the outlet of the stator core around the ratio between area S1, The ratio between the high H of yoke of the stator and the maximum outside diameter D of the stator meet 0.14≤H/D≤0.18；

Rotor, the rotor are rotatably arranged in the central shaft hole and include rotor core and multiple conductive bars, described turn Be formed on sub- iron core along the rotor core axially through and along the rotor core circumferentially spaced distribution it is multiple Rotor slot, for multiple conductive bar difference corresponding matchings in multiple rotor slots, at least one conductive bar is full copper piece Or copper aluminium synthetic parts.

2. motor according to claim 1, which is characterized in that the stator slot is peariform slot or flat-bottom slot.

3. motor according to claim 1, which is characterized in that the stator slot is open slot or closed slot.

4. motor according to claim 1, which is characterized in that have application of anti-leakage layers and the conductive bar pressure in the rotor slot Cast from the corresponding rotor slot.

5. motor according to claim 4, which is characterized in that the application of anti-leakage layers is anti-source/drain insulation layer.

6. motor according to claim 5, which is characterized in that the anti-source/drain insulation layer is the interior table for being located at the rotor slot Coating on face.

7. motor according to claim 1, which is characterized in that the conductive bar is solid bar and inserting is in corresponding described It is equipped with insulating layer at rotor slot, the rotor slot and the cooperation of the conductive bar.

8. motor according to claim 7, which is characterized in that the insulating layer is to be located on the inner surface of the rotor slot Coating or chemically reactive layer, and/or the coating or chemically reactive layer or electroplated layer that are located on the outer surface of the conductive bar.

9. a kind of compressor, which is characterized in that including compression mechanism and motor, the motor is to appoint according in claim 1-8 Motor described in one and it is connected with the compression mechanism for driving the compression mechanism compression refrigerant.

10. a kind of refrigeration equipment, which is characterized in that including compressor according to claim 9.