CN206352580U - Electric machine assembly and compressor - Google Patents
Electric machine assembly and compressor Download PDFInfo
- Publication number
- CN206352580U CN206352580U CN201621117948.6U CN201621117948U CN206352580U CN 206352580 U CN206352580 U CN 206352580U CN 201621117948 U CN201621117948 U CN 201621117948U CN 206352580 U CN206352580 U CN 206352580U
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- compressor
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- machine assembly
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Abstract
The utility model discloses a kind of electric machine assembly and compressor, the electric machine assembly is inserted in the rotor in the motor stator including a motor stator and one, the height of the rotor and the ratio of the external diameter of the rotor are equal to or less than 0.86, reduce the relative altitude of the rotor, to reduce the lateral pull that the motor stator is produced to the rotor, it is applied in the compressor, the efficiency of the compressor can be improved；The utility model further optimizes the dimensional structure of bent axle in the compressor, the ratio of the external diameter of the height of the rotor and the long axle portion of the bent axle is between 2.15~3.20 scopes, the structure of the compressor after improvement is more rationally simple, it is workable, and cost is reduced, increases the reliability of the compressor.
Description
Technical field
The utility model is related to compressor field, more particularly to a kind of electric machine assembly and compressor.
Background technology
In the application systems such as refrigerator, air-conditioning, compressor is its core component, and the efficiency of compressor determines the application system
The efficiency grade of system.In order to meet power conservation requirement, the efficiency grade of application system is lifted again and again, therefore, and compressor efficiency is carried
Rise and also face each challenge.
In rotary compressor, compressor includes an electric machine assembly and a bent axle, and the electric machine assembly is fixed including motor
Son and rotor, the bent axle include a long axle portion, and the long axle portion of the rotor and the bent axle forms one and hanged
Arm girder construction, in the compressor operating, the motor stator can produce horizontal pulling force to rotor, cause by described
The cantilever beam structure of rotor and bent axle composition can produce laterally flexible, and the deformation influences whether in the compressor corresponding
Stress between parts, and then influence the reliability of the compressor.
Therefore, for above-mentioned technical problem, it is necessary to provide a kind of improved electric machine assembly and compressor.
Utility model content
The purpose of this utility model is to provide a kind of electric machine assembly and compressor, to reduce or even avoid compressor from showing
The cantilever beam structure being made up of rotor in structure and bent axle produces laterally flexible, the efficiency of lifting compressor.
To achieve the above object and other related purposes, the utility model provides a kind of electric machine assembly, including a motor
Stator and one is inserted in rotor in the motor stator, the height of the rotor and the external diameter of the rotor
Ratio be equal to or less than 0.86.
Optionally, in the electric machine assembly, the height of the rotor and the ratio of the external diameter of the rotor
Between 0.46~0.86 scope.
It is preferred that, in the electric machine assembly, the height of the rotor and the ratio of the external diameter of the rotor
For 0.76,0.66,0.56.
According to another side of the present utility model, a kind of compressor using above-mentioned electric machine assembly is additionally provided.
Further, the compressor also includes a bent axle, and the bent axle is provided with a long axle portion, the electric machine assembly set
In the long axle portion, the rotor drives the bent axle to rotate with the bent axle by being interference fitted, the motor
The ratio of the external diameter of the height of rotor and the long axle portion is between 2.15~3.20 scopes.
Optionally, in described compressor, the height of the rotor and the ratio of the external diameter of the long axle portion exist
Between 2.188~3.125 scopes.
Further, in described compressor, the height of the rotor and the ratio of the external diameter of the long axle portion
Between 2.5~3.125 scopes.
It is preferred that, in described compressor, the height of the rotor and the ratio of the external diameter of the long axle portion are
2.6th, 2.7,2.8,2.9,3.0 or 3.1.
Further, the compressor also includes a compression unit, and the compression unit passes through the bent axle and the electricity
Thermomechanical components are tightly connected.
Further, in described compressor, the compression unit includes a cylinder, upper cylinder body, lower cylinder body and piston,
The upper cylinder body and lower cylinder body are respectively arranged at the upper and lower ends of the cylinder, and the piston is located in the cylinder, the song
Axle sequentially passes through the upper cylinder body, cylinder and lower cylinder body.
Further, in the compressor, the bent axle is additionally provided with an eccentric part and a short axle portion, the eccentric part
The lower section of the long axle portion is located at, the short axle portion is located at the lower section of the eccentric part, and the piston is installed on the eccentric part
On.
Further, the compressor also includes a housing, and the housing is tubular structure, and the motor stator is fixed on
On the housing.
Compared with prior art, the utility model has the advantages that：
The utility model is by optimizing the size of rotor described in the electric machine assembly, by the height of the rotor
The ratio of the external diameter of degree and the rotor is designed between the scope equal to or less than 0.86, reduces the rotor
Relative altitude, to reduce the lateral pull that the motor stator is produced to the rotor, be applied to the compression
In machine, the efficiency of the compressor can be improved, the structure of the compressor after improvement is more rationally simple, operability
By force, and cost is reduced.
Moreover, the utility model also optimizes the size of the external diameter of the long axle portion of bent axle described in the compressor, by institute
The ratio for stating the height of rotor and the external diameter of the long axle portion is designed between 2.15~3.20 scope, described in reduction
Under the relative altitude of rotor, by further limiting the external diameter of the long axle portion, the bent axle can be reduced or even avoided
Deformation, so as to reduce or even avoid the cantilever beam structure of rotor and bent axle composition in the compressor to produce horizontal change
Shape, and then the efficiency of the compressor is improved, increase the reliability of the compressor.
In addition, the ratio of the height of the rotor and the external diameter of the long axle portion designs the scope 2.5~3.125
Between when, the efficiency of the compressor is best.
Brief description of the drawings
Fig. 1 is the structural representation of compressor described in the embodiment of the utility model one；
Fig. 2 is the close-up schematic view of rotor and bent axle in compressor described in the embodiment of the utility model one.
Embodiment
Inventor has found that due to the presence of assembling process and processing course error the motor stator and rotor are simultaneously
Non-fully with one heart, there is certain offset in both meetings, then, in the compressor operating, and the motor stator can be to electricity
Machine rotor produces horizontal pulling force, causes the cantilever beam structure being made up of the rotor and bent axle to produce horizontal change
Shape.Therefore, inventor thinks that the height of the external diameter of long axle portion, the external diameter of rotor and rotor of the bent axle is shadow
Ring the main structure parameters that the stress in compressor between corresponding parts changes.And the industry known to inventor is commonly used
Compressor in rotor height and rotor external diameter ratio between 0.86~1.1.Therefore, inventor studies
The height and its external diameter ratio of the improvement rotor are proposed, to overcome deficiency of the prior art.
Based on above-mentioned discovery and research, inventor provides a kind of electric machine assembly, and the electric machine assembly includes a motor stator
Rotor in the motor stator, the height of the rotor and the ratio of the external diameter of the rotor are inserted in one
Value is equal to or less than 0.86.
According to another side of the present utility model, inventor also provides a kind of compressor using above-mentioned electric machine assembly.
The utility model is by optimizing the size of rotor described in the electric machine assembly, by the height of the rotor
The ratio of the external diameter of degree and the rotor is designed between the scope equal to or less than 0.86, reduces the rotor
Relative altitude, to reduce the lateral pull that the motor stator is produced to the rotor, be applied to the compression
In machine, the efficiency of the compressor can be improved, the structure of the compressor after improvement is more rationally simple, operability
By force, and cost is reduced.
Electric machine assembly of the present utility model and compressor are described in more detail below in conjunction with schematic diagram, wherein
Illustrate preferred embodiment of the present utility model, it should be appreciated that it is new that those skilled in the art can change described here practicality
Type, and still realize advantageous effects of the present utility model.Therefore, description below is appreciated that for those skilled in the art
It is widely known, and be not intended as to limitation of the present utility model.
The utility model is more specifically described by way of example referring to the drawings in the following passage.According to following explanation and power
Sharp claim, advantages and features of the present utility model will become apparent from.It should be noted that, accompanying drawing using very simplified form and
Non- accurately ratio is used, only to convenient, lucidly aid illustration the utility model embodiment purpose.
The embodiment of the electric machine assembly and compressor is exemplified below, should with clear explanation content of the present utility model
When it is clear that, content of the present utility model is not restricted to following examples, and other pass through those of ordinary skill in the art's
The improvement of conventional technical means is also within thought range of the present utility model.
Fig. 1 and Fig. 2 are referred to, is the structural representation and part close-up schematic view of compressor in the present embodiment,
The structure and the structure of the compressor of the electric machine assembly in the present embodiment are shown in figure.The compressor includes a shell
The electric machine assembly of body 10 and one, it is preferred that the housing 10 is a sealed tubular structure；The electric machine assembly is fixed on including one
Motor stator 20 and one on the housing 10 is inserted in the rotor 21 in the motor stator 20, preferably, in this reality
Apply in example, the height H of the rotor 21 and the ratio (i.e. H/D1) of the outer diameter D 1 of the rotor 21 are designed as being equal to
Or less than 0.86, it is preferred that the ratio is between 0.46~0.86, such as described ratio can be 0.76,0.66 or 0.56
Deng, the design in the design compared with prior art of the ratio reduces the relative altitude of the rotor 21, so as to
Reduce the lateral pull that 20 pairs of the electronics stator rotor 21 is produced.
The compressor also includes a bent axle 31, and the bent axle 31 includes three parts, respectively long axle portion 310, bias
Portion 311 and short axle portion 312, the eccentric part 311 are located at the lower section of the long axle portion 310, and the short axle portion 312 is located at described inclined
The lower section of center portion 311, three parts of the bent axle 31 constitute one, the motor stator 20 and electricity by certain bridging mode
Sub- rotor 21 is sheathed in the long axle portion 310, one cantilever beam knot of the rotor 21 and the long formation of axle portion 310
Structure, the long axle portion 310 of the rotor 21 and the bent axle 31 is rotated by being interference fitted the drive bent axle 31, preferably
, in the present embodiment, the height H of the rotor 21 and the ratio (i.e. H/D2) of the outer diameter D 2 of the long axle portion 310 are designed
Between 2.15~3.20 scopes, the specific ratio is between 2.188~3.125, it is preferred that the ratio is 2.5~3.125
Between when, the efficiency of the compressor reaches maximum, such as the ratio can be 2.6,2.7,2.8,2.9,3.0 or 3.1,
Such design, on the premise of the relative altitude of the electronics rotor 21 is reduced, by further limiting the long axle portion 310
External diameter value, the deformation of the bent axle 31 can be reduced or even avoid, so as to reduce or even avoid in the compressor motor from turning
The cantilever beam structure that son 21 and bent axle 31 are constituted produces laterally flexible.
In addition, the compressor also includes a compression unit, the compression unit passes through the bent axle 31 and the motor
Component is tightly connected, and the compression unit includes a upper cylinder body 40, cylinder 41, lower cylinder body 42 and piston (identify and omit in figure),
The upper cylinder body 40 and lower cylinder body 42 are respectively arranged at the upper and lower ends of the cylinder 40, and the piston is located at the cylinder 41
In, the bent axle 31 sequentially passes through the upper cylinder body 40, cylinder 41 and lower cylinder body 42, specifically, the piston be installed on it is described
On eccentric part 311.
So, the compressor operationally, band of the bent axle 31 in the rotor 21 of the electric machine assembly
Dynamic lower rotation, so as to drive the piston rotation for the eccentric part 311 for being installed on the bent axle 31, makes the cylinder 41 and the piston
Between cavity be continually changing, complete the processes such as suction, compression, discharge in the compression unit of refrigerant.
By the height H and the ratio optimization of its outer diameter D 1 to the rotor 21 in the present embodiment, and further
Optimize the ratio of the external diameter of the long axle portion 310 of the bent axle 31 and the height of the rotor 21, the motor can be reduced
The lateral pull that 20 pairs of the stator rotor 21 is produced, and reduce or even avoid the rotor 21 and the bent axle
The deformation of the cantilever beam structure of 31 compositions, and then the efficiency of the compressor is improved, increase the reliability of the compressor.
To sum up, the utility model is turned the motor by optimizing the size of rotor described in the electric machine assembly
The ratio of the height of son and the external diameter of the rotor is designed between the scope equal to or less than 0.86, reduces the electricity
The relative altitude of machine rotor, to reduce the lateral pull that the motor stator is produced to the rotor, is applied to institute
State in compressor, the efficiency of the compressor can be improved, the structure of the compressor after improvement is more rationally simple, can grasp
The property made is strong, and reduces cost.
Moreover, the utility model also optimizes the size of the external diameter of the long axle portion of bent axle described in the compressor, by institute
The ratio for stating the height of rotor and the external diameter of the long axle portion is designed between 2.15~3.20 scope, described in reduction
Under the relative altitude of rotor, by further limiting the external diameter of the long axle portion, the bent axle can be reduced or even avoided
Deformation, so as to reduce or even avoid the cantilever beam structure of rotor and bent axle composition in the compressor to produce horizontal change
Shape, and then the efficiency of the compressor is improved, increase the reliability of the compressor.
In addition, the ratio of the height of the rotor and the external diameter of the long axle portion designs the scope 2.5~3.125
Between, the efficiency of the compressor is best.
Obviously, preferred embodiment only of the present utility model in the above-described embodiments, above-described embodiment is not used to
Limit the utility model.Those skilled in the art can carry out various changes and modification without departing from this reality to the utility model
With new spirit and scope.So, if these modifications and variations of the present utility model belong to the utility model claim
And its within the scope of equivalent technologies, then the utility model is also intended to comprising including these changes and modification.
Claims (12)
1. a kind of electric machine assembly, including a motor stator and one is inserted in rotor in the motor stator, and its feature exists
In the height of the rotor and the ratio of the external diameter of the rotor are equal to or less than 0.86.
2. electric machine assembly as claimed in claim 1, it is characterised in that the height of the rotor and the rotor
The ratio of external diameter is between 0.46~0.86 scope.
3. electric machine assembly as claimed in claim 2, it is characterised in that the height of the rotor and the rotor
The ratio of external diameter is 0.76,0.66 or 0.56.
4. a kind of compressor, the compressor includes an electric machine assembly, it is characterised in that the electric machine assembly is such as claim
Electric machine assembly described in 1 to 3 any one.
5. compressor as claimed in claim 4, it is characterised in that the compressor also includes a bent axle, the bent axle is set
There is a long axle portion, the electric machine assembly is sheathed in the long axle portion, the rotor passes through interference fit with the bent axle
Drive the bent axle to rotate, the ratio of the height of the rotor and the external diameter of the long axle portion 2.15~3.20 scopes it
Between.
6. compressor as claimed in claim 5, it is characterised in that the external diameter of the height of the rotor and the long axle portion
Ratio between 2.188~3.125 scopes.
7. compressor as claimed in claim 6, it is characterised in that the external diameter of the height of the rotor and the long axle portion
Ratio between 2.5~3.125 scopes.
8. compressor as claimed in claim 7, it is characterised in that the external diameter of the height of the rotor and the long axle portion
Ratio be 2.6,2.7,2.8,2.9,3.0 or 3.1.
9. the compressor as described in any one in claim 5 to 8, it is characterised in that the compressor also includes a compression
Unit, the compression unit is tightly connected by the bent axle with the electric machine assembly.
10. compressor as claimed in claim 9, it is characterised in that the compression unit includes a cylinder, upper cylinder body, lower cylinder
Body and piston, the upper cylinder body and lower cylinder body are respectively arranged at the upper and lower ends of the cylinder, and the piston is located at the cylinder
In, the bent axle sequentially passes through the upper cylinder body, cylinder and lower cylinder body.
11. compressor as claimed in claim 10, it is characterised in that the bent axle is additionally provided with an eccentric part and a short axle
Portion, the eccentric part is located at the lower section of the long axle portion, and the short axle portion is located at the lower section of the eccentric part, and the piston is installed
In on the eccentric part.
12. compressor as claimed in claim 4, it is characterised in that the compressor also includes a housing, the housing is cylinder
Shape structure, the motor stator is fixed on the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621117948.6U CN206352580U (en) | 2016-10-12 | 2016-10-12 | Electric machine assembly and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621117948.6U CN206352580U (en) | 2016-10-12 | 2016-10-12 | Electric machine assembly and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206352580U true CN206352580U (en) | 2017-07-25 |
Family
ID=59346891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621117948.6U Active CN206352580U (en) | 2016-10-12 | 2016-10-12 | Electric machine assembly and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206352580U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899291A (en) * | 2017-12-11 | 2019-06-18 | 南昌海立电器有限公司 | Compressor and its support construction |
| CN111271243A (en) * | 2018-12-05 | 2020-06-12 | 广东美芝精密制造有限公司 | Compressor with a compressor housing having a plurality of compressor blades |
| CN111608912A (en) * | 2020-05-29 | 2020-09-01 | 广东美芝精密制造有限公司 | Compressor and air conditioning system |
| CN113738645A (en) * | 2020-05-29 | 2021-12-03 | 广东美芝精密制造有限公司 | Compressor and air conditioning system |
-
2016
- 2016-10-12 CN CN201621117948.6U patent/CN206352580U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899291A (en) * | 2017-12-11 | 2019-06-18 | 南昌海立电器有限公司 | Compressor and its support construction |
| CN111271243A (en) * | 2018-12-05 | 2020-06-12 | 广东美芝精密制造有限公司 | Compressor with a compressor housing having a plurality of compressor blades |
| CN111271243B (en) * | 2018-12-05 | 2022-04-26 | 广东美芝精密制造有限公司 | Compressor |
| CN111608912A (en) * | 2020-05-29 | 2020-09-01 | 广东美芝精密制造有限公司 | Compressor and air conditioning system |
| CN113738645A (en) * | 2020-05-29 | 2021-12-03 | 广东美芝精密制造有限公司 | Compressor and air conditioning system |
| CN113738645B (en) * | 2020-05-29 | 2023-03-14 | 广东美芝精密制造有限公司 | Compressor and air conditioning system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201206 Pudong New Area Jinqiao Ning Road, Shanghai, No. 888 Patentee after: Shanghai Haili Electrical Appliance Co. Ltd. Address before: 201206 Pudong New Area Jinqiao Ning Road, Shanghai, No. 888 Patentee before: Rili Electric Appliance Co., Ltd., Shanghai |
|
| CP01 | Change in the name or title of a patent holder |