CN208364379U - The rotor balance of compressor, the electric machine assembly of compressor and compressor - Google Patents
The rotor balance of compressor, the electric machine assembly of compressor and compressor Download PDFInfo
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- CN208364379U CN208364379U CN201820609529.7U CN201820609529U CN208364379U CN 208364379 U CN208364379 U CN 208364379U CN 201820609529 U CN201820609529 U CN 201820609529U CN 208364379 U CN208364379 U CN 208364379U
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Abstract
The utility model discloses a kind of rotor balances of compressor, the electric machine assembly and compressor of compressor, the rotor balance includes a balance block body, and the balance block body has the inner arc surface being coaxially disposed and exterior arc surface and the inner surface and the outer surface being oppositely arranged;The inner arc surface and exterior arc surface are connected between described the inner surface and the outer surface;One end windward, the end windward is formed in the circumferential first end of the balance block body, with being connected to the inside grouping teaching of the inner arc surface and being connected to the outside grouping teaching of the exterior arc surface, the inside grouping teaching intersects at the side M for the axis that one is parallel to the inner arc surface with outside grouping teaching for end windward for this.Rotor balance in the utility model limits the structure of the end windward by by the identical end windward of circumferential both ends setting structure in balance block body and by wind end, so that the resistance of rotor rotation can be effectively reduced in the rotor balance.
Description
Technical field
The utility model belongs to field of refrigeration equipment, is related to a kind of rotor balance of compressor, the motor group of compressor
Part and compressor.
Background technique
Enclosed rotary formula compressor is using rotor eccentricity rotation come compression refrigerant gas, is revolved by rotor in bias
Raw unbalanced moments of changing the line of production can cause compressor high vibration, it is therefore desirable to be arranged on the top of rotor and/or lower part
Rotor balance.But in compressor operation, on the one hand, the windward side of the direct impact rotor balance weight of refrigerant air-flow, meeting
Strong stagnation effect is generated, the significant moment of resistance is formed, causes the increase of rotor rotary resistance, reduces the efficiency of compressor.
On the other hand, refrigerant air-flow carries a large amount of oil droplet, and in rotor balance rotational movement process, a large amount of oil droplets can be direct
It hits the windward side of rotor balance and Fragmentation Phenomena occurs, so that the tiny oil droplets quantity in compressor be made to significantly increase, draw
Play the increase of oil spitting amount of compressor.
Utility model content
The purpose of this utility model is that in view of the deficiency of the prior art, the rotor for providing a kind of compressor is flat
The electric machine assembly and compressor of weighing apparatus block, compressor, the rotor balance, can under the premise of avoiding compressor strenuous vibration
The resistance of rotor rotation is effectively reduced, the overall performance of compressor is improved.
One side according to the present utility model provides a kind of rotor balance of compressor, comprising:
One balance block body, the balance block body is with the inner arc surface and exterior arc surface being coaxially disposed and relatively
The inner surface and the outer surface of setting;The inner arc surface and exterior arc surface are connected between described the inner surface and the outer surface;
One end windward, the end windward are formed in the circumferential first end of the balance block body, the end windward
With being connected to the inside grouping teaching of the inner arc surface and be connected to the outside grouping teaching of the exterior arc surface, it is described in
Side grouping teaching and the outside grouping teaching intersect at the side M, the side M to institute for the axis that one is parallel to the inner arc surface
The distance for stating the axis of inner arc surface is R, and the radius of the inner arc surface is R1, the radius of the exterior arc surface is R2, and it is full
Foot: R1<R<R2。
Further, angle α is formed between the inside grouping teaching and the outside grouping teaching, and is met: 60 ° < α <
180°。
Further, the end windward, which also has, is connected to the outer surface, the inside grouping teaching and the outside
First Transition face between grouping teaching, and be connected to the inner surface, the inside grouping teaching and the outside grouping teaching it
Between the second transition face.
Further, the inner surface and the outer surface are the plane being parallel to each other.
Further, the First Transition face is parallel to the inner surface, and second transition face is parallel to the appearance
Face.
Further, the rotor balance further includes one by wind end, described to be formed in the balance weight by wind end
The circumferential second end of ontology, the end windward are identical with by the structure of wind end.
Further, the first installation is equipped between the end windward and the circumferential first end of the balance block body
Hole, it is described that second mounting hole is equipped between the circumferential second end of the balance block body by wind end.
Another aspect according to the present utility model provides a kind of electric machine assembly of compressor, it includes rotor, Yi Jiru
The rotor balance of the upper compressor;The rotor balance of the compressor is at least located at axial one of the rotor
End.
Further, the electric machine assembly of the compressor, the axis of the inner surface of the rotor balance and the rotor
To end face be bonded.
Another aspect according to the present utility model, provides a kind of compressor, it includes the motor of compressor as described above
Component.
Utility model has the advantages that
One, the rotor balance for the compressor that the utility model is proposed is reasonable in design, is avoiding compressor acute
Under the premise of violent shock is dynamic, the balance block body of the rotor balance of the compressor is shunted by intersecting at the inside of side M
Face and outside grouping teaching are gradually collapsed to its circumferential end, when the distance of axis of the side M to the inner arc surface is R,
The radius of the inner arc surface is R1, the radius of the exterior arc surface is R2, and meet: R1<R<R2.It on the one hand, not only can be with
Reduce the front face area of rotor balance, reduce frontal resistance, streams at the same time it can also reduce fluid by end windward to quilt
The resistance of wind end;Furthermore, it since the front face area of rotor balance reduces, can also reduce small in compressor
The formation of the quantity of oil droplet, to reduce the oil spitting amount of compressor.
Two, for further, when forming angle α between the inside grouping teaching and the outside grouping teaching, and it is full
Foot: when 60 ° < α < 180 °, the inside grouping teaching and outside grouping teaching of the end windward can not only further decrease rotor balancing
The front face area of block reduces frontal resistance, while can further decrease fluid and be streamed by end windward to by the resistance of wind end
Power;From the point of view of another angle, the side grouping teaching and outside grouping teaching can further decrease the resistance that rotor rotates, and reduce
By the atomization of oil droplet entrained in refrigerant, so that compressor has the characteristics that oil spitting amount is few, efficiency is high.
Three, the rotor balance for the compressor that the utility model is proposed by the wind end by that will be designed as and institute
The identical structure in end windward is stated, the stability of rotor rotation can be improved, further increase the overall performance of compressor.
To sum up, the rotor balance for the compressor that the utility model is proposed passes through by balance block body
The identical end windward of circumferential both ends setting structure and by wind end, and the structure of the end windward is limited, so that this turn
The resistance of rotor rotation can be effectively reduced in quantum balancing block, and reduces the quantity of tiny oil droplets in compressor, so that compression equipment
Have the characteristics that oil spitting amount is few, efficiency is high.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, the utility model is other
Feature, objects and advantages will become more apparent upon.
Fig. 1 is the perspective view of the first angle of the rotor balance of compressor in the utility model.
Fig. 2 is the perspective view of the second angle of the rotor balance of compressor in the utility model.
Fig. 3 is the perspective view of the third angle of the rotor balance of compressor in the utility model.
Fig. 4 is the perspective view of the fourth angle of the rotor balance of compressor in the utility model.And
Fig. 5 is the top view of the rotor balance of compressor in the utility model.
Appended drawing reference
1 balance block body
2 ends windward
3 by wind end
4 first mounting holes
5 second mounting holes
11 inner arc surfaces
12 exterior arc surfaces
13 inner surfaces
14 outer surfaces
21 inside grouping teachings
22 outside grouping teachings
23 First Transition faces
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein.On the contrary, thesing embodiments are provided so that practical
It is novel will be full and complete, and the design of example embodiment is comprehensively communicated to those skilled in the art.The phase in figure
Same appended drawing reference indicates same or similar structure, thus will omit repetition thereof.
Fig. 1 is the perspective view of the first angle of the rotor balance of compressor in the utility model.Fig. 2 is that this is practical new
The perspective view of the second angle of the rotor balance of compressor in type.Fig. 3 is the rotor balance of compressor in the utility model
Third angle perspective view.Fig. 4 is the perspective view of the fourth angle of the rotor balance of compressor in the utility model.With
And Fig. 5 is the top view of the rotor balance of compressor in the utility model.As shown in Fig. 1 to 5, a kind of rotor of compressor
Balance weight characterized by comprising a balance block body 1, the balance block body 1 have the inner arc surface of coaxial arrangement
11 and exterior arc surface 12 and the inner surface 13 being oppositely arranged and outer surface 14;The inner arc surface 11 and exterior arc surface 12 connect
It connects between the inner surface 13 and outer surface 14;One end 2, the end windward 2 are formed in the balance block body windward
1 circumferential first end, end 2 has the inside grouping teaching 21 for being connected to the inner arc surface 11 and is connected to windward for this
The outside grouping teaching 22 of the exterior arc surface 12, the inside grouping teaching 21 intersect at one with the outside grouping teaching 22 and put down
Row is R in the side M of the axis of the inner arc surface 11, the distance of the axis of the side M to the inner arc surface 11, described interior
The radius of arc surface 11 is R1, the radius of the exterior arc surface 12 is R2, and is met: R1<R<R2。
The rotor balance for the compressor that the utility model is proposed it is reasonable in design, avoiding compressor violent
Under the premise of vibration, the balance block body of the rotor balance of the compressor is by intersecting at the inside grouping teaching of side M
It is gradually collapsed to its circumferential end with outside grouping teaching, when the distance of axis of the side M to the inner arc surface is R, institute
The radius for stating inner arc surface is R1, the radius of the exterior arc surface is R2, and meet: R1<R<R2.On the one hand, can not only subtract
The front face area of lesser trochanter balance weight reduces frontal resistance, streams at the same time it can also reduce fluid by end windward to by wind
The resistance of end;Furthermore, since the front face area of rotor balance reduces, small oil in compressor can also be reduced
The formation of the quantity of drop, to reduce the oil spitting amount of compressor.For further, when the inside grouping teaching and described outer
Form angle α between the grouping teaching of side, and meet: when 60 ° < α < 180 °, the inside grouping teaching of the end windward and outside are shunted
Face can not only further decrease the front face area of rotor balance, reduce frontal resistance, at the same can further decrease fluid by
End is streamed to by the resistance of wind end windward;From the point of view of another angle, the side grouping teaching and outside grouping teaching can be into one
Step reduces the resistance of rotor rotation, reduces the atomization by oil droplet entrained in refrigerant, so that compressor is few with oil spitting amount, effect
The high feature of energy.The rotor balance for the compressor that the utility model is proposed by the wind end by that will be designed as and institute
The identical structure in end windward is stated, the stability of rotor rotation can be improved, further increase the overall performance of compressor.
As shown in figure 4, forming angle α between the inside grouping teaching 21 and the outside grouping teaching 22, and meet: 60 °
<α<180°.Such structure is configured as an optimal technical scheme of the utility model, and its object is to be reduced as far as
The front face area of rotor balance, being formed by angle by the inside grouping teaching and outside grouping teaching that intersect at side M makes fluid
It shunts, reduces the resistance of rotor rotation, and then reduce the energy loss that rotor is generated by rotation.
The end windward 2, which also has, is connected to the outer surface 14, the inside grouping teaching 21 and outside shunting
First Transition face 23 between face 22, and be connected to the inner surface 13, the inside grouping teaching 21 and the outside and shunt
The second transition face between face 22.The inner surface 13 and the outer surface 14 are the plane being parallel to each other.Such structure design
The front face area of rotor balance can not only be reduced, reduce frontal resistance, while fluid can also be reduced by balance block body one end
Around the resistance for flowing to its other end.The First Transition face 23 is parallel to the inner surface 13, and second transition face is parallel
In the outer surface 14.When the First Transition face be parallel to the inner surface and second transition face be parallel to it is described outer
It when surface, can both mitigate the overall weight of rotor balance, reduce the running resistance of rotor, it is also ensured that balance weight sheet
Physical efficiency accesses effective fixation, in addition can also save a large amount of material and other costs of manufacture.
The rotor balance further includes one by wind end 3, described to be formed in the balance block body 1 by wind end 3
Circumferential second end, the end windward 2 are identical with by the structure of wind end 3.So that during the rotation of rotor balance
It is more stable, so that the stability of the operation of rotor improves, further increase the overall performance of compressor.
It is equipped with the first mounting hole 4 between the end windward 2 and the circumferential first end of the balance block body 1, it is described
The second mounting hole 5 is equipped between wind end 3 and the circumferential second end of the balance block body 1.The setting of mounting hole is main
It is that fixation is riveted by pedestal for block body will to be balanced, the first mounting hole is set to the end windward and the balance weight
Between the circumferential first end of ontology, the second mounting hole is set to described by wind end and the circumferential direction of the balance block body
Not only the structure of balance block body can have been avoided damage between second end, but also can play the role of being stably connected with.
To sum up, the rotor balance for the compressor that the utility model is proposed passes through by balance block body
The identical end windward of circumferential both ends setting structure and by wind end, and the structure of the end windward is limited, so that this turn
The resistance of rotor rotation can be effectively reduced in quantum balancing block, and reduces the quantity of tiny oil droplets in compressor, so that compression equipment
Have the characteristics that oil spitting amount is few, efficiency is high.
Another aspect according to the present utility model provides a kind of electric machine assembly of compressor, it includes rotor, Yi Jiru
The rotor balance of the upper compressor;The rotor balance of the compressor is at least located at axial one of the rotor
End.Further, the axial end face of the inner surface 13 with the rotor of the rotor balance is bonded.The utility model institute
The rotor balance of the electric machine assembly of the compressor of proposition it is reasonable in design, in the premise for avoiding compressor strenuous vibration
Under, the balance block body of the rotor balance of the compressor is divided by the inside grouping teaching and outside for intersecting at side M
Stream interface is gradually collapsed to its circumferential end, when the distance of axis of the side M to the inner arc surface is R, the Inner arc
The radius in face is R1, the radius of the exterior arc surface is R2, and meet: R1<R<R2.On the one hand, it is flat not only to can reduce rotor
The front face area of weighing apparatus block reduces frontal resistance, streams at the same time it can also reduce fluid by end windward to by the resistance of wind end
Power;Furthermore, since the front face area of rotor balance reduces, the quantity of tiny oil droplets in compressor can also be reduced
Formation, to reduce the oil spitting amount of compressor.For further, when the inside grouping teaching and the outside grouping teaching
Between form angle α, and meet: when 60 ° < α < 180 °, the inside grouping teaching and outside grouping teaching of the end windward not only may be used
Further decrease the front face area of rotor balance, reduce frontal resistance, at the same can further decrease fluid by end windward around
It flow to by the resistance of wind end;From the point of view of another angle, the side grouping teaching and outside grouping teaching can further decrease rotor
The resistance of rotation reduces the atomization by oil droplet entrained in refrigerant, so that compressor has the spy that oil spitting amount is few, efficiency is high
Point.
Another aspect according to the present utility model, provides a kind of compressor, it includes the motor of compressor as described above
Component.Rotor balance used by the compressor that the utility model is proposed it is reasonable in design, avoiding compressor acute
Under the premise of violent shock is dynamic, the balance block body of the rotor balance of the compressor is shunted by intersecting at the inside of side M
Face and outside grouping teaching are gradually collapsed to its circumferential end, when the distance of axis of the side M to the inner arc surface is R,
The radius of the inner arc surface is R1, the radius of the exterior arc surface is R2, and meet: R1<R<R2.It on the one hand, not only can be with
Reduce the front face area of rotor balance, reduce frontal resistance, streams at the same time it can also reduce fluid by end windward to quilt
The resistance of wind end;Furthermore, it since the front face area of rotor balance reduces, can also reduce small in compressor
The formation of the quantity of oil droplet, to reduce the oil spitting amount of compressor.For further, when the inside grouping teaching with it is described
Angle α is formed between the grouping teaching of outside, and is met: when 60 ° < α < 180 °, the inside grouping teaching of the end windward and outside
Grouping teaching can not only further decrease the front face area of rotor balance, reduce frontal resistance, while can further decrease fluid
It is streamed by end windward to by the resistance of wind end;From the point of view of another angle, the side grouping teaching and outside grouping teaching can be into
One step reduce rotor rotation resistance, reduce by oil droplet entrained in refrigerant atomization so that compressor have oil spitting amount it is few,
The high feature of efficiency.The rotor balance for the compressor that the utility model is proposed by will be designed as by the wind end with
The identical structure in the end windward, can be improved the stability of rotor rotation, further increases the overall performance of compressor.
The above content is specific preferred embodiment further detailed description of the utility model is combined, no
It can assert that the specific implementation of the utility model is only limited to these instructions.For the common of the utility model technical field
For technical staff, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, all
It shall be regarded as belonging to the protection scope of the utility model.
Claims (10)
1. a kind of rotor balance of compressor characterized by comprising
One balance block body (1), balance block body (1) have the inner arc surface (11) and exterior arc surface of coaxial arrangement
(12) and the inner surface (13) being oppositely arranged and outer surface (14);The inner arc surface (11) and exterior arc surface (12) connection
Between the inner surface (13) and outer surface (14);
One end (2) windward, the end windward (2) are formed in the circumferential first end of balance block body (1), this is windward
End (2) has the inside grouping teaching (21) for being connected to the inner arc surface (11) and is connected to the exterior arc surface (12)
Outside grouping teaching (22), the inside grouping teaching (21) and the outside grouping teaching (22) intersect at one and are parallel in described
The side M of the axis of arc surface (11), the side M to the inner arc surface (11) axis distance be R, the inner arc surface
(11) radius is R1, the radius of the exterior arc surface (12) is R2, and is met: R1<R<R2。
2. the rotor balance of compressor according to claim 1, it is characterised in that: the inside grouping teaching (21) and institute
It states and forms angle α between outside grouping teaching (22), and meet: 60 ° < α < 180 °.
3. the rotor balance of compressor according to claim 1, it is characterised in that: the end windward (2) also has
It is connected to the First Transition face between the outer surface (14), the inside grouping teaching (21) and the outside grouping teaching (22)
(23), and be connected between the inner surface (13), the inside grouping teaching (21) and the outside grouping teaching (22)
Two transition faces.
4. the rotor balance of compressor according to claim 3, it is characterised in that: the inner surface (13) and described outer
Surface (14) is the plane being parallel to each other.
5. the rotor balance of compressor according to claim 4, it is characterised in that: the First Transition face (23) is parallel
In the inner surface (13), second transition face is parallel to the outer surface (14).
6. the rotor balance of compressor according to claim 1, it is characterised in that: the rotor balance further includes one
By wind end (3), the circumferential second end that balance block body (1) is formed in by wind end (3), the end windward
(2) and it is identical by the structure of wind end (3).
7. the rotor balance of compressor according to claim 6, it is characterised in that: the end windward (2) with it is described
It balances and is equipped with the first mounting hole (4) between the circumferential first end of block body (1), it is described by wind end (3) and the balance weight
The second mounting hole (5) are equipped between the circumferential second end of ontology (1).
8. a kind of electric machine assembly of compressor, which is characterized in that including rotor, and as described in any one of claims 1 to 7
Compressor rotor balance;The rotor balance of the compressor is at least located at axial one end of the rotor.
9. the electric machine assembly of compressor according to claim 8, which is characterized in that the inner surface of the rotor balance
(13) it is bonded with the axial end face of the rotor.
10. a kind of compressor, which is characterized in that the electric machine assembly including compressor as claimed in claim 8 or 9.
Priority Applications (1)
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CN201820609529.7U CN208364379U (en) | 2018-04-26 | 2018-04-26 | The rotor balance of compressor, the electric machine assembly of compressor and compressor |
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CN201820609529.7U CN208364379U (en) | 2018-04-26 | 2018-04-26 | The rotor balance of compressor, the electric machine assembly of compressor and compressor |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112555153A (en) * | 2020-11-11 | 2021-03-26 | 广东美芝制冷设备有限公司 | Balancing piece, rotor part and compressor |
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2018
- 2018-04-26 CN CN201820609529.7U patent/CN208364379U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112555153A (en) * | 2020-11-11 | 2021-03-26 | 广东美芝制冷设备有限公司 | Balancing piece, rotor part and compressor |
CN112555153B (en) * | 2020-11-11 | 2022-11-15 | 广东美芝制冷设备有限公司 | Balancing piece, rotor part and compressor |
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