CN204900264U - Rotary compressor and balanced heavy structure thereof - Google Patents
Rotary compressor and balanced heavy structure thereof Download PDFInfo
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- CN204900264U CN204900264U CN201520662689.4U CN201520662689U CN204900264U CN 204900264 U CN204900264 U CN 204900264U CN 201520662689 U CN201520662689 U CN 201520662689U CN 204900264 U CN204900264 U CN 204900264U
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Abstract
The utility model discloses a balanced heavy structure, the contained angle that will keep balance heavy cross section and rotor terminal surface (here can specifically for aluminium end links plane) increase to more than 90 degrees from present 90 degrees, form the structure on inclined plane, set up on the inclined plane and unload the indent, and this geosynclinal concave falls into on this inclined plane to it is concentric with the rotor center. The utility model also discloses an under the condition, just can reduce compressor input power, improve compressor coefficient of performance that uses the rotary compressor of above -mentioned balanced heavy structure, is reduced in view of windage loss, and in same refrigerating output.
Description
Technical field
The utility model relates to rotary compressor technical field, particularly a kind of rotary compressor and balancer weight structure thereof.
Background technique
The rotational components of rotary compressor, owing to there is eccentric mass, can cause unbalanced force or unbalance moment, needs to arrange balancer weight and is balanced.
For twin-tub rotation-type compressor, only need the moment that balance eccentric mass causes, so the balancer weight quality needed is relatively little, therefore usually balancer weight quality is cast directly on rotor, relative 180 ° of these two balancing masses are configured on rotor aluminum end ring, and its structure can with reference to shown in Fig. 1, Fig. 2 and Fig. 3, and wherein 01 is aluminium end ring plane, 02 is balancer weight, and 03 is balancer weight transverse section.In current design, balancer weight transverse section 03 and rotor aluminum end ring plane 01 are orthogonal in 90 °.
During rotary compressor work, motor speed is very high, and fixed machine is frequently usually close to each second 50 turns, and compressor, namely rotor surrounding environment, be the cold media air of high pressure.During compressor operating, rotor High Rotation Speed, epitrochanterian balancer weight transverse section is subject to the drag effect of pressurized gas refrigerant, forms so-called " windage " power loss.
Model utility content
In view of this, the utility model provides a kind of balancer weight structure, effectively can reduce " windage " loss that balancer weight section is formed.
The utility model additionally provides a kind of rotary compressor applying above-mentioned balancer weight structure.
For achieving the above object, the utility model provides following technological scheme:
A kind of balancer weight structure, comprise and be arranged on epitrochanterian balancer weight, the angle between the transverse section of described balancer weight and the end face of described rotor is obtuse angle, shape structure in the slope.
Preferably, the scope of described angle is 110 ° ~ 160 °.
Preferably, the size of described angle is 150 °.
Preferably, described inclined-plane also offers pressure relief groove.
Preferably, described pressure relief groove is the circular shape concentric with described rotor.
Preferably, the quantity of described pressure relief groove is multiple.
Preferably, the degree of depth of described pressure relief groove is not less than 1 millimeter.
Preferably, the width of described pressure relief groove is not less than 1 millimeter.
Preferably, described rotor and described balancer weight are integral type structure.
A kind of rotary compressor, its rotor is provided with balancer weight structure, described balancer weight structure is above-mentioned balancer weight structure.
As can be seen from above-mentioned technological scheme, the balancer weight structure that the utility model provides, the angle of balancer weight transverse section and rotor end-face (can be specially aluminium end ring plane at this) is designed to obtuse angle, shape structure in the slope, compared with the structure being 90 ° with angle in prior art, the vertical shock of balancer weight transverse section and cold media air when avoiding rotation, thus effectively can reduce balancer weight " windage " loss.The utility model additionally provides a kind of rotary compressor applying above-mentioned balancer weight structure, is conducive to reducing compressor power input, improves compressor performance coefficient.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 be in prior art electric machinery rotator balance reshuffle scheme face structural representation;
Fig. 2 is the left TV structure schematic diagram that in prior art, electric machinery rotator balance reshuffles scheme;
Fig. 3 is the right TV structure schematic diagram that in prior art, electric machinery rotator balance reshuffles scheme;
The balancer weight allocation plan that Fig. 4 provides for the utility model embodiment face structural representation;
The left TV structure schematic diagram of the balancer weight allocation plan that Fig. 5 provides for the utility model embodiment;
The right TV structure schematic diagram of the balancer weight allocation plan that Fig. 6 provides for the utility model embodiment.
Wherein, in the prior art of Fig. 1,01 is aluminium end ring plane, and 02 is balancer weight, and 03 is balancer weight transverse section;
In this programme of Fig. 4-Fig. 6,11 is the end face of rotor, and 12 is balancer weight, and 13 is the inclined-plane of balancer weight, and 14 is pressure relief groove.
Embodiment
The utility model discloses a kind of rotary compressor and balancer weight structure thereof, effectively can reduce " windage " loss that balancer weight section is formed.
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 4-Fig. 6, be followed successively by the facing of the balancer weight allocation plan that the utility model embodiment provides, a left side looks and right TV structure schematic diagram.
The balancer weight structure that the utility model embodiment provides, comprise and be arranged on epitrochanterian balancer weight 12, its core improvement is, angle between the transverse section of this balancer weight 12 and the end face 11 (can be specially aluminium end ring plane at this) of rotor is obtuse angle 13, shape structure in the slope, when optimizing rotation and the surface of contact of cold media air, decrease windage.
As can be seen from above-mentioned technological scheme, the balancer weight structure that the utility model embodiment provides, balancer weight inclined-plane 13 and the angle of rotor end-face 11 (can be specially aluminium end ring plane at this) are designed to obtuse angle, shape structure in the slope, compared with the structure being 90 ° with angle in prior art, the vertical shock of balancer weight transverse section and high pressure refrigerant gas when avoiding rotation, thus effectively can reduce balancer weight " windage " loss.This programme is specially adapted to determine frequency twin-tub rotation-type compressor.
Balancer weight inclined-plane 13 is generally obtuse angle, namely 90 ° ~ 180 ° with the angular range of rotor end-face 11, and optimized scope is 110 ° ~ 160 °.Further, balancer weight inclined-plane 13 adopts arc transition with the joint of rotor end-face 11, and the end face of balancer weight is same with the joint on its inclined-plane 13 adopts arc transition, better to reduce windage.
In the specific embodiment that this programme provides, the size of angle is 150 °, and its structure can with reference to shown in Fig. 4.Certainly, be the structure based on existing equipment with upper angle, those skilled in the art can be that suitable angle of inclination is selected on balancer weight inclined-plane 13 according to actual conditions.
As preferably, balancer weight inclined-plane 13 and rotor end-face 11 concentric (rotor geometry axle center), and balancer weight inclined-plane 13 is symmetrical about the central shaft of rotor.
In order to optimize above-mentioned technological scheme further, balancer weight inclined-plane 13 also offers the pressure relief groove 14 of depression, thus reduce the area of contact with high pressure refrigerant gas, better to reduce windage.
As preferably, pressure relief groove 14 is the circular shape concentric with rotor, and catered to the feature that rotor rotates, its structure can with reference to shown in Fig. 5 and Fig. 6; And it is symmetrical about axle center in same balancer weight 12.
According to the actual demand of equipment, the quantity of above-mentioned pressure relief groove 14 can be concentric multiple.
In the embodiment that this programme provides, the degree of depth of pressure relief groove 14 is not less than 1 millimeter.Similar, the width of pressure relief groove 14 is not less than 1 millimeter.Concrete size depends on compressor arrangement, does not repeat them here.
As preferably, rotor and balancer weight 12 are integral type structure, can adopt forging type.
The utility model embodiment still provides a kind of rotary compressor, its rotor is provided with balancer weight structure, and its core improvement is, balancer weight structure is above-mentioned balancer weight structure; In view of windage loss is lowered, when same refrigerating capacity, just can reduce compressor power input, improve compressor performance coefficient.
In sum, the utility model embodiment provides a kind of balancer weight structure, the angle of balancer weight transverse section and rotor end-face (can be specially aluminium end ring plane at this) is increased to more than 90 degree from current 90 degree, shape structure in the slope, inclined-plane arranges pressure relief groove, this geosynclinal concave is trapped on this inclined-plane, and concentric with rotor center.The utility model embodiment still provides a kind of rotary compressor applying above-mentioned balancer weight structure, in view of windage loss is lowered, when same refrigerating capacity, just can reduce compressor power input, improves compressor performance coefficient.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a balancer weight structure, comprise and be arranged on epitrochanterian balancer weight (12), it is characterized in that, the angle between the transverse section of described balancer weight (12) and the end face (11) of described rotor is obtuse angle, forms the structure on inclined-plane (13).
2. balancer weight structure according to claim 1, is characterized in that, the scope of described angle is 110 ° ~ 160 °.
3. balancer weight structure according to claim 2, is characterized in that, the size of described angle is 150 °.
4. the balancer weight structure according to claim 1-3 any one, is characterized in that, described inclined-plane (13) also offer pressure relief groove (14).
5. balancer weight structure according to claim 4, is characterized in that, described pressure relief groove (14) is the circular shape concentric with described rotor.
6. balancer weight structure according to claim 5, is characterized in that, the quantity of described pressure relief groove (14) is multiple.
7. balancer weight structure according to claim 6, is characterized in that, the degree of depth of described pressure relief groove (14) is not less than 1 millimeter.
8. balancer weight structure according to claim 7, is characterized in that, the width of described pressure relief groove (14) is not less than 1 millimeter.
9. balancer weight structure according to claim 1, is characterized in that, described rotor and described balancer weight (12) are integral type structure.
10. a rotary compressor, its rotor is provided with balancer weight structure, it is characterized in that, described balancer weight structure is the balancer weight structure as described in claim 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520662689.4U CN204900264U (en) | 2015-08-31 | 2015-08-31 | Rotary compressor and balanced heavy structure thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520662689.4U CN204900264U (en) | 2015-08-31 | 2015-08-31 | Rotary compressor and balanced heavy structure thereof |
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| CN204900264U true CN204900264U (en) | 2015-12-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065279A (en) * | 2015-08-31 | 2015-11-18 | 重庆凌达压缩机有限公司 | Rotary compressor and balancing weight structure thereof |
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2015
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065279A (en) * | 2015-08-31 | 2015-11-18 | 重庆凌达压缩机有限公司 | Rotary compressor and balancing weight structure thereof |
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