CN105391233B - Electric machine assembly for rotary compressor and the rotary compressor with it - Google Patents
Electric machine assembly for rotary compressor and the rotary compressor with it Download PDFInfo
- Publication number
- CN105391233B CN105391233B CN201510926112.4A CN201510926112A CN105391233B CN 105391233 B CN105391233 B CN 105391233B CN 201510926112 A CN201510926112 A CN 201510926112A CN 105391233 B CN105391233 B CN 105391233B
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- China
- Prior art keywords
- balance weight
- end plate
- insulating end
- rotor
- rotary compressor
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/04—Balancing means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/02—Pumps characterised by combination with or adaptation to specific driving engines or motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/38—Windings characterised by the shape, form or construction of the insulation around winding heads, equalising connectors, or connections thereto
Abstract
The invention discloses a kind of electric machine assembly for rotary compressor and the rotary compressors with it, wherein, electric machine assembly for rotary compressor includes rotor, stator, lower balance weight, lower part insulating end plate, upper balance weight and upper portion insulating end plate, stator housing is on rotor, lower balance weight is located on the lower end surface of rotor, lower part insulating end plate is located on the lower end surface of stator, the lower surface of the inner ring of lower part insulating end plate is located at the lower section of the lower surface of lower balance weight, upper balance weight is located on the upper surface of rotor, upper portion insulating end plate is located on the upper surface of stator, the upper surface of the inner ring of upper portion insulating end plate is located at the lower section of the upper surface of upper balance weight.Electric machine assembly according to the present invention for rotary compressor, the flow perturbation that lower balance weight can be inhibited to generate, guarantee the stabilization fuel feeding of compression mechanism, and can reduce the limitation that upper portion insulating end plate is formed by eddy flow to rotor, improves the effect of Oil-gas Separation.
Description
Technical field
The present invention relates to compressor fields, more particularly, to a kind of electric machine assembly for rotary compressor and have it
Rotary compressor.
Background technique
Enclosed rotary formula compressor carried during operation, partially by refrigerant air-flow for the refrigerator oil of lubrication and
It drains into the heat exchanger of air-conditioning, to influence the overall performance of air-conditioning.In the related technology, for using the pressure for concentrating winding mode
Contract electromechanical machine, is usually equipped with insulating end plate in the upper and lower end face of its stator, insulating end plate is equipped with the protrusion for fixing coiling
The combination lateral wall and inner sidewall that circularize.In order to fix coiled wire-wound coil, the height of insulating end plate inner wall side, which is generally greater than, to be revealed
The line packet height of stator core out, while insulating end plate inner sidewall being made to be higher than the top for being installed on rotor and for balance pressure
The upper balance weight of contracting machine amount of unbalance.In this way, upper balance weight will be fully wrapped around by upper insulating end plate inner sidewall, and upper balance weight
The eddy flow of generation just will receive the limitation of insulating end plate inner sidewall, so that the swirl strength of motor upper space significantly subtracts
It is small, and make the hurried reduction of the oil-gas separation efficiency of motor upper space, cause the hurried increase of oil spitting amount of compressor.
On the other hand, the pulse rotational flow field that balance weight rotation generates under rotor has very strong disturb to compressor oil sump
Movement is used, and compressor oil-supplying can be caused bad under certain limiting cases, influences reliability and the service life of compressor, and lower insulation
End plate inner sidewall has certain inhibiting effect to the perturbation action of lower balance weight.In the related technology, the height of rotor lower part balance weight
Degree is usually larger, prevent lower insulating end plate inner sidewall is from fully wrapped around balance weight, so that disturbance of the balance weight to lower part flow field
Effect is still very strong, still can cause the problems such as compressor oil-supplying is bad.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, the present invention mentions
A kind of electric machine assembly for rotary compressor out, the electric machine assembly for rotary compressor have structure simple,
The advantages of high reliablity.
The present invention also proposes that a kind of rotary compressor, the rotary compressor have above-mentioned for rotary compressor
Electric machine assembly.
The electric machine assembly for rotary compressor of embodiment according to a first aspect of the present invention, comprising: rotor;Stator,
The stator housing is on the rotor;Lower balance weight, the lower balance weight are located on the lower end surface of the rotor;Lower part insulation
End plate, the lower part insulating end plate are located on the lower end surface of the stator, the lower surface position of the inner ring of the lower part insulating end plate
In the lower section of the lower surface of the lower balance weight;Upper balance weight, the upper balance weight are located on the upper surface of the rotor;And
Upper portion insulating end plate, the upper portion insulating end plate are located on the upper surface of the stator, the inner ring of the upper portion insulating end plate
Upper surface is located at the lower section of the upper surface of the upper balance weight.
Electric machine assembly according to an embodiment of the present invention for rotary compressor, by the inner ring for making lower part insulating end plate
Lower surface be located at lower balance weight lower surface lower section, lower balance weight can be hidden in it by the inner ring of lower part insulating end plate
Portion, and the flow perturbation that lower balance weight generates can be effectively inhibited, to reduce lower balance weight to compression motor spindle oil sump
Disturbance keeps the stabilization of oil sump pasta, and then guarantees the stabilization fuel feeding of compression mechanism, and by making in upper portion insulating end plate
The upper surface of ring is located at the lower section of the upper surface of upper balance weight, can reduce upper portion insulating end plate and is formed by eddy flow to rotor
Limitation improves the effect of Oil-gas Separation, reduces spitting for rotary compressor so that motor upper space swirl strength increases
Oil mass.
According to some embodiments of the present invention, in the direction of the rotation axis of the rotor, the upper portion insulating end plate
Inner ring height is less than the inner ring height of the lower part insulating end plate.
Optionally, the upper balance weight is different from the material of the lower balance weight.
Preferably, the density of the upper balance weight is less than the density of the lower balance weight.
Further, the upper balance weight is balance aluminum block, and the lower balance weight is potassium steel balance weight.
In some embodiments of the invention, for the electric machine assembly of rotary compressor further include: cover board, the cover board
It is located on the upper surface of the upper balance weight.
Optionally, the cover board is formed as annular cover plate or circular cover.
In some embodiments of the invention, for the electric machine assembly of rotary compressor further include: cushion block, the cushion block
It is located between the upper balance weight and the rotor.
The rotary compressor of embodiment according to a second aspect of the present invention, including above-mentioned implementation according to a first aspect of the present invention
The electric machine assembly for rotary compressor of example.
Rotary compressor according to an embodiment of the present invention, by the way that the above-mentioned electric machine assembly for rotary compressor is arranged
It can reduce the inhibition for the flow perturbation that lower part insulating end plate generates lower balance weight, to reduce to compression motor spindle oil sump
Disturbance, keep oil sump pasta stabilization, ensure the stabilization fuel feeding of compressor means, and can reduce upper portion insulating end plate to turn
Son is formed by the limitation of eddy flow, so that motor upper space swirl strength increases, improves the effect of Oil-gas Separation, reduces
The oil spitting amount of rotary compressor.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of rotary compressor according to an embodiment of the present invention;
Fig. 2 is the cross-sectional view of the electric machine assembly of rotary compressor shown in Fig. 1.
Appended drawing reference:
Rotary compressor 100,
Rotor 1, upper balance weight 2, lower balance weight 3, stator 4,
Upper portion insulating end plate 5, the inner ring 51 of upper portion insulating end plate, the outer ring 52 of upper portion insulating end plate,
Lower part insulating end plate 6, the inner ring 61 of lower part insulating end plate, the outer ring 62 of lower part insulating end plate,
Oil sump 7.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.Below with reference to
The embodiment of attached drawing description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
Following disclosure provides many different embodiments or example is used to realize different structure of the invention.For letter
Change disclosure of the invention, hereinafter the component of specific examples and setting are described.Certainly, they are merely examples, and
It is not intended to limit the present invention.In addition, the present invention can in different examples repeat reference numerals and/or letter.It is this heavy
It is for purposes of simplicity and clarity, itself not indicate the relationship between discussed various embodiments and/or setting again.This
Outside, the present invention provides various specific techniques and material example, but those of ordinary skill in the art may be aware that
The applicable property of other techniques and/or the use of other materials.
The electricity for rotary compressor 100 of embodiment according to a first aspect of the present invention is described below with reference to Fig. 1-Fig. 2
Thermomechanical components.
As shown in Figure 1, the electric machine assembly for rotary compressor 100 of embodiment according to a first aspect of the present invention, packet
It includes: rotor 1, stator 4, lower balance weight 3, lower part insulating end plate 6, upper balance weight 2 and upper portion insulating end plate 5.
Specifically, 4 housing of stator is on rotor 1, lower part insulating end plate 6 is located on the lower end surface of stator 4, lower part insulation
The lower surface of the inner ring 61 of end plate is located at the lower section of the lower surface of lower balance weight 3.It should be noted that on lower part insulating end plate 6
It is provided with the inner ring 61 of the lower part insulating end plate for fixing machine winding and the outer ring 62 of lower part insulating end plate, lower part insulating end
The inner ring 61 and lower part insulating end plate of the inner ring 61 of plate and the interval of outer ring 62 setting of lower part insulating end plate and lower part insulating end plate
Outer ring 62 respectively along the direction of 1 rotation axis of rotor be directed away from 4 lower end surface of stator direction extend, lower part insulating end plate
Lower part insulating end plate 6 is arranged in close to the side of rotor 1 in inner ring 61, and the outer ring 62 of lower part insulating end plate is arranged in lower part insulating end
Side of the plate 6 far from rotor 1.Thus the lower balance weight 3 of 1 lower part of rotor is hidden by the inner ring 61 of lower part insulating end plate, under making
The flow perturbation that balance weight 3 generates is inhibited by lower part insulating end plate 6, to reduce to 100 bottom of rotary compressor oil
The disturbance in pond 7 keeps 7 pasta of oil sump to stablize, guarantees the stabilization fuel feeding of compression mechanism.
Upper balance weight 2 is located on the upper surface of rotor 1, and upper portion insulating end plate 5 is located on the upper surface of stator 4, and top is exhausted
The upper surface of the inner ring 51 of acies plate is located at the lower section of the upper surface of upper balance weight 2.It should be noted that upper portion insulating end plate 5
On be provided with the inner ring 51 of upper portion insulating end plate for fixing machine winding and the outer ring 52 of upper portion insulating end plate, upper portion insulating
Inner ring 51 and the upper portion insulating end of the inner ring 51 of end plate and the interval of outer ring 52 setting of upper portion insulating end plate and upper portion insulating end plate
The outer ring 52 of plate extends along the direction that the direction of 1 rotation axis of rotor is directed away from 4 upper surface of stator respectively, upper portion insulating end plate
Inner ring 51 upper portion insulating end plate 5 is set close to the side of rotor 1, the outer ring 52 of upper portion insulating end plate is arranged in upper portion insulating
Side of the end plate 5 far from rotor 1.It is possible thereby to which the rotation of rotor 1 is made to be formed by limitation of the eddy flow by upper portion insulating end plate 5
Reduce, so that motor upper space swirl strength increases, improves the effect of Oil-gas Separation, reduce rotary compressor 100
Oil spitting amount.
Electric machine assembly according to an embodiment of the present invention for rotary compressor 100, by making lower part insulating end plate
The lower surface of inner ring 61 is located at the lower section of the lower surface of lower balance weight 3, and the inner ring 61 of lower part insulating end plate can be by lower balance weight 3
It hides inside it, and the flow perturbation that lower balance weight 3 generates can be effectively inhibited, to reduce lower 3 pairs of rotations of balance weight
The disturbance of 100 bottom oil sump 7 of formula compressor keeps the stabilization of 7 pasta of oil sump, and then guarantees the stabilization fuel feeding of compression mechanism, with
And by make the upper surface of the inner ring 51 of upper portion insulating end plate be located at upper balance weight 2 upper surface lower section, can reduce top
Insulating end plate 5 is formed by the limitation of eddy flow to rotor 1, so that motor upper space swirl strength increases, improves oil gas
Isolated effect reduces the oil spitting amount of rotary compressor 100.
In some embodiments of the invention, in the direction of the rotation axis of rotor 1, the inner ring 51 of upper portion insulating end plate is high
Degree is less than 61 height of inner ring of lower part insulating end plate.It is possible thereby to which it is upper to be further convenient for the upper surface for making balance weight 2 to be located at
The top of the upper surface of the inner ring 51 of portion's insulating end plate rotates so as to further reduce upper portion insulating end plate 5 to rotor 1
It is formed by the limitation of eddy flow, so that motor upper space swirl strength increases, oil gas separation is improved, rotary compressor
100 oil spitting amounts significantly reduce, and are further convenient for the inner ring 61 for making the lower surface of lower balance weight 3 be located at lower part insulating end plate
Lower surface top, to increase the inhibition for the flow perturbation that lower part insulating end plate 6 generates lower balance weight 3, thus into one
Step reduces the disturbance to 100 bottom of rotary compressor, guarantees that 7 pasta of oil sump is stablized, ensures the stabilization fuel feeding of compression mechanism.
Optionally, upper balance weight 2 is different from the material of lower balance weight 3.Further, under the density of upper balance weight 2 is less than
The density of balance weight 3.It is possible thereby to mitigate the weight of upper balance weight 2, increases the weight of lower balance weight 3, make the rotation of rotor 1 more
Steadily.Further, upper balance weight 2 is balance aluminum block, and lower balance weight 3 is potassium steel balance weight.Aluminium and high manganese steel material at
This is low, advantageously reduces the cost of balance weight.
In some embodiments of the invention, the electric machine assembly for rotary compressor 100 further includes that cover board is (not shown
Out), cover board can be located on the upper surface of balance weight 2, when rotary compressor 100 in the process of running, rotary compression
Refrigerator oil in machine 100 is easy to be discharged from the exhaust outlet of rotary compressor 100 with refrigerant circulation, and in upper balance weight 2
Cover board is set on upper surface, can make to strike on the lower end surface of cover board with the refrigerator oil of refrigerant circulation, to make refrigerator
Oil is combined into oil droplet on the lower end surface of cover board, and during cover board is rotated with rotor 1, under the influence of centrifugal force will be oily
Drop, which is got rid of, to be fallen in machine winding, to improve the effect of Oil-gas Separation, reduces the oil spitting amount of rotary compressor 100, together
When can also avoid inside rotary compressor 100 due to lack refrigerator oil and occur friction increase the phenomenon that.
Further, the lower surface of cover board is located above the upper surface of the inner ring 51 of upper portion insulating end plate.It is possible thereby to anti-
Only 51 excessive height of inner ring of upper portion insulating end plate and block the oil droplet for getting rid of and falling on cover board and fall in machine winding, to guarantee
The effect of Oil-gas Separation reduces the oil spitting amount of rotary compressor 100, reduces the friction inside rotary compressor 100.More into
One step, cover board can be formed as annular cover plate or circular cover.It is possible thereby to increase the diversity of covering plate structure, it can basis
The cover board of the size selection suitable shape of 100 inside dimension of rotary compressor.
In some embodiments of the invention, the electric machine assembly for rotary compressor 100 further includes that cushion block is (not shown
Out), cushion block is located between balance weight 2 and rotor 1, and thus cushion block can be padded by upper balance weight 2, further makes balance
The height of the upper surface of block 2 is higher than the height of the upper surface of the inner ring 51 of upper portion insulating end plate, so that it is exhausted to further decrease top
Acies plate 5 rotates the limitation for being formed by eddy flow to rotor 1, improves the effect of Oil-gas Separation, reduces rotary compressor 100
Oil spitting amount.
Below with reference to the electricity for rotary compressor 100 of Fig. 1-Fig. 2 description accord to a specific embodiment of that present invention
Thermomechanical components.
As shown in Figure 1, the electric machine assembly according to an embodiment of the present invention for rotary compressor 100 includes rotor 1, determines
Sub 4, upper balance weight 2, lower balance weight 3, upper portion insulating end plate 5 and lower part insulating end plate 6.
Specifically, on rotor 1, upper balance weight 2 is balance aluminum block and is located on the upper surface of rotor 14 housing of stator, under
Balance weight 3 is potassium steel balance weight and is located on the lower end surface of rotor 1.Upper portion insulating end plate 5 is located on the upper surface of stator 4,
And the upper surface of the inner ring 51 of upper portion insulating end plate is located at the lower section of the upper surface of upper balance weight 2, it is possible thereby to reduce upper insulation
End plate rotates the limitation for being formed by eddy flow to rotor 1, improves the effect of Oil-gas Separation, reduces spitting for rotary compressor 100
Oil mass.Lower part insulating end plate 6 is located on the lower end surface of stator 4, and the lower surface of the inner ring of lower insulating end plate is located at lower balance weight 3
Thus the lower section of lower surface descends insulating end plate that can hide lower balance weight 3 inside it, effectively inhibit lower balance weight 3 and produce
Raw flow perturbation keeps the stabilization of 7 pasta of oil sump to reduce the disturbance to 100 bottom of rotary compressor, ensures compression
The stabilization fuel feeding of mechanism.
In addition, the direction of the rotation axis in rotor 1,51 height of inner ring of upper portion insulating end plate is less than lower part insulating end plate
The height of inner ring 61.It is possible thereby to further be formed by eddy flow convenient for the rotor 1 of limiting motor upper space, and inhibit
Disturbance caused by lower balance weight 3.
In addition, the electric machine assembly for rotary compressor 100 can also include cover board and cushion block, cover board can be located at
On the upper surface of balance weight 2, it can make to strike on the lower end surface of cover board with the refrigerator oil of refrigerant circulation, to make refrigerator
Oil is combined into oil droplet on the lower end surface of cover board, and during cover board is rotated with rotor 1, under the influence of centrifugal force will be oily
Drop, which is got rid of, to be fallen in machine winding, to improve the effect of Oil-gas Separation, reduces the oil spitting amount of rotary compressor 100, together
When can also avoid inside rotary compressor 100 due to lack refrigerator oil and occur friction increase the phenomenon that.
Cushion block can be located between balance weight 2 and rotor 1, and thus cushion block can be padded by upper balance weight 2, further
The height of the upper surface of balance weight 2 is set to be higher than the height of the upper surface of the inner ring 51 of upper portion insulating end plate, to further subtract
Small upper portion insulating end plate 5 rotates the limitation for being formed by eddy flow to rotor 1, improves the effect of Oil-gas Separation, reduces rotary pressure
The oil spitting amount of contracting machine 100.
Due at least a part of inner ring 51 for being higher by 4 upper portion insulating end plate of stator of upper balance weight 2, so that from the side
Come, the top for the side projection that the upper rotation of balance weight 2 is formed by annular space will not be by the inner ring 51 of upper portion insulating end plate
Side projection it is completely covered;The lower end of the lower balance weight 3 of rotor 1 is located at the opposite of the lower end of the inner ring 61 of lower part insulating end plate
Top position so that from the side when, lower balance weight 3 rotates the lower part for the side projection for being formed by annular space by under
The side projection of the annular space of the inner ring 61 of portion's insulating end plate is completely covered.That is, being thrown in the side of electric machine assembly
On shadow, upper balance weight 2 exposes out of upper portion insulating end plate inner ring 51, and lower balance weight 3 is hidden in the inner ring of lower part insulating end plate
In 61.
The rotary compressor 100 of embodiment according to a second aspect of the present invention, including above-mentioned first aspect according to the present invention
Electric machine assembly for rotary compressor 100.
Rotary compressor 100 according to an embodiment of the present invention, by the way that the above-mentioned electricity for rotary compressor 100 is arranged
Thermomechanical components can reduce the inhibition for the flow perturbation that lower part insulating end plate 6 generates lower balance weight 3, to reduce to rotary pressure
The disturbance of 100 bottom oil sump 7 of contracting machine keeps the stabilization of 7 pasta of oil sump, ensures the stabilization fuel feeding of 100 mechanism of rotary compressor,
And it can reduce the limitation that upper portion insulating end plate 5 is formed by eddy flow to rotor 1, so that motor upper space eddy flow is strong
Degree increases, and improves the effect of Oil-gas Separation, reduces the oil spitting amount of rotary compressor 100.
It should be noted that other compositions such as compression mechanism of rotary compressor 100 according to an embodiment of the present invention
Be for those of ordinary skill in the art with shell etc. it is known, I will not elaborate.
In the description of the present invention, it is to be understood that, term " on ", "lower", "top", "bottom" "inner", "outside" etc. indicate
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.In the description of the present invention, the meaning of " plurality " is at least two, such as two
It is a, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be mechanical connect
It connects;It can be directly connected, the connection or two members inside two elements can also be can be indirectly connected through an intermediary
The interaction relationship of part, unless otherwise restricted clearly.It for the ordinary skill in the art, can be according to specific
Situation understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than 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 included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (4)
1. a kind of electric machine assembly for rotary compressor, which is characterized in that including
Rotor;
Stator, the stator housing is on the rotor;
Lower balance weight, the lower balance weight are located on the lower end surface of the rotor;
Lower part insulating end plate, the lower part insulating end plate are located on the lower end surface of the stator, the lower part insulating end plate it is interior
The lower surface of ring is located at the lower section of the lower surface of the lower balance weight;
Upper balance weight, the upper balance weight are located on the upper surface of the rotor, the upper balance weight and the lower balance weight
Material difference and the density of the upper balance weight are less than the density of the lower balance weight, and the upper balance weight is balance aluminum block, institute
Stating lower balance weight is potassium steel balance weight;And
Upper portion insulating end plate, the upper portion insulating end plate are located on the upper surface of the stator, the upper portion insulating end plate it is interior
The upper surface of ring is located at the lower section of the upper surface of the upper balance weight, in the direction of the rotation axis of the rotor, the top
The inner ring height of insulating end plate is less than the inner ring height of the lower part insulating end plate;
Cover board, the cover board are located on the upper surface of the upper balance weight, and the cover board is rotated with the rotor.
2. the electric machine assembly according to claim 1 for rotary compressor, which is characterized in that the cover board is formed as
Annular cover plate or circular cover.
3. the electric machine assembly according to claim 1 for rotary compressor, which is characterized in that further include: cushion block, institute
Cushion block is stated to be located between the upper balance weight and the rotor.
4. a kind of rotary compressor, which is characterized in that including according to any one of claim 1-3 for rotary
The electric machine assembly of compressor.
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CN201510926112.4A CN105391233B (en) | 2015-12-09 | 2015-12-09 | Electric machine assembly for rotary compressor and the rotary compressor with it |
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CN201510926112.4A CN105391233B (en) | 2015-12-09 | 2015-12-09 | Electric machine assembly for rotary compressor and the rotary compressor with it |
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CN105391233B true CN105391233B (en) | 2019-02-22 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN202187925U (en) * | 2011-08-02 | 2012-04-11 | 江门市正科金属制品有限公司 | High manganese steel balancing weight for inverter compressor |
JP2013238142A (en) * | 2012-05-14 | 2013-11-28 | Mitsubishi Electric Corp | Scroll compressor |
CN205178741U (en) * | 2015-12-09 | 2016-04-20 | 安徽美芝精密制造有限公司 | A rotary compressor that is used for rotary compressor's motor element and has it |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4979503B2 (en) * | 2007-08-03 | 2012-07-18 | 日立アプライアンス株式会社 | Scroll compressor |
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2015
- 2015-12-09 CN CN201510926112.4A patent/CN105391233B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202187925U (en) * | 2011-08-02 | 2012-04-11 | 江门市正科金属制品有限公司 | High manganese steel balancing weight for inverter compressor |
JP2013238142A (en) * | 2012-05-14 | 2013-11-28 | Mitsubishi Electric Corp | Scroll compressor |
CN205178741U (en) * | 2015-12-09 | 2016-04-20 | 安徽美芝精密制造有限公司 | A rotary compressor that is used for rotary compressor's motor element and has it |
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