CN104251211B - Compressor - Google Patents
Compressor Download PDFInfo
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- CN104251211B CN104251211B CN201410289272.8A CN201410289272A CN104251211B CN 104251211 B CN104251211 B CN 104251211B CN 201410289272 A CN201410289272 A CN 201410289272A CN 104251211 B CN104251211 B CN 104251211B
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- compressor
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- aspirating unit
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Abstract
The invention provides a kind of compressor, comprise housing, be arranged on the bent axle in housing, motor stator, rotor, upper flange and lower flange and the compressing mechanism be arranged between upper flange and lower flange, compressing mechanism comprises: one stage of compression mechanism, comprises the first cylinder; Two-stage compression mechanism, is arranged on the downstream of one stage of compression mechanism, comprises the second cylinder and the 3rd cylinder that are arranged in parallel; The discharge capacity of the first cylinder is more than or equal to the discharge capacity sum of the second cylinder and the 3rd cylinder.According to compressor of the present invention, can improve under identical cylinder diameter, the second cylinder and the 3rd cylinder are merged into two-stage compression mechanism, add the discharge capacity of compound compressor, under widening existing cylinder diameter, the displacement range of compound compressor.Improve performance and the heating capacity of compressor.
Description
Technical field
The present invention relates to compressor field, especially, relate to a kind of compressor.
Background technique
Existing rolling rotor-type compound compressor is generally twin-tub twin-stage, and compound compressor one is less than twin-tub single-stage in discharge capacity, and two is that the balance of rotating is not so good as twin-tub single-stage.But the efficiency of single stage compressor and heating capacity all exist larger gap than compound compressor, and the discharge capacity of twin-tub compound compressor expands.
Now generally expand compound compressor discharge capacity by expanding compressor diameter, this is by the rising of the cost and air conditioner manufacture cost that cause compressor itself.In order to expand the discharge capacity of compressor, such as, and for twin-stage or multistage compression, existing also have some for the research of multiple cylinder multiple level compressor, has a kind of variable capacity multi-cylinder rotary compressor in prior art, by the control to suction and discharge runner, and then realize Two-stage Compression.
This variable capacity multi-cylinder rotary compressor, by realizing Two-stage Compression as follows, namely in outside, arranges multiple suction sides connecting tube, multiple bypass-side connecting tube, multiple discharge side connecting tube, multiple open and close valve and multiple changing valve.Whether the refrigerant that multiple cut-off valve controls between vaporizer to sucking pipe circulates.First compression set is connected with the suction side connecting tube of the second compression set with the 3rd compression set with the discharge side of the second compression set by multiple bypass-side connecting tube respectively, and flows to the refrigerant after changing valve control second and the compression of the 3rd compression set.By the flow direction of several Valve controlling refrigerants of outside, realize one-level, two-stage and three stage compression.
This mode no doubt can realize multistage compressor, but the numerous pipeline of this dependence and valve carry out multistage compression, and one is that exterior line is numerous, and valve is numerous, cause the manufacture comparatively complex process of compressor, and compressor cost is high; Two, can Two-stage Compression be realized under this mode, but the discharge capacity of Two-stage Compression can not be increased; Three, under this mode, compress that inner suction and discharge runner is long and runner complicated, compressor efficiency will be had influence on; Four, cannot enthalpy-increasing function be realized, the ability of compressor can not be improved further.
Summary of the invention
The object of the invention is to provide a kind of compressor, to solve the little technical problem of existing little cylinder diameter compressor displacement.
For achieving the above object, the invention provides a kind of compressor, comprise housing, be arranged on the bent axle in housing, motor stator, rotor, upper flange and lower flange and the compressing mechanism be arranged between upper flange and lower flange, compressing mechanism comprises: one stage of compression mechanism, comprises the first cylinder; Two-stage compression mechanism, is arranged on the downstream of one stage of compression mechanism, comprises the second cylinder and the 3rd cylinder that are arranged in parallel; The discharge capacity of the first cylinder is more than or equal to the discharge capacity sum of the second cylinder and the 3rd cylinder.
Further, the cover plate be located on lower flange surrounds lower flange chamber together with lower flange, and the relief opening of one stage of compression mechanism is connected with lower flange chamber.
Further, lower flange chamber is led to by the second cylinder aspirating unit and the second cylinders; Lower flange chamber is connected by the 3rd cylinder aspirating unit and the 3rd cylinder.
Further, the second cylinder aspirating unit overlaps with the 3rd cylinder aspirating unit.
Further, the second cylinder aspirating unit and the 3rd cylinder aspirating unit have angle on circumference distributes.
Further, in the second cylinder aspirating unit and the 3rd cylinder aspirating unit same plane in the axial direction.
Further, the second cylinder and the 3rd cylinder are provided with arc air-breathing groove.
Further, the breach that arc air-breathing groove is relative with bent axle is intakeport.
Further, compressor also comprises the tonifying Qi liquid-storage container be arranged on outside housing, and the air outlet of tonifying Qi liquid-storage container is connected with lower flange chamber.
Further, the second cylinder is connected with upper flange by the second inblock cylinder air flue; 3rd cylinder is connected with upper flange by the 3rd inblock cylinder air flue.
The present invention has following beneficial effect:
Compressor provided by the invention, can improve under identical cylinder diameter, the second cylinder and the 3rd cylinder is merged into two-stage compression and mechanism, adds the discharge capacity of compound compressor, under widening existing cylinder diameter, and the displacement range of compound compressor.Improve performance and the heating capacity of compressor.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the partial schematic sectional view according to compressor of the present invention;
Fig. 2 is the overall schematic according to compressor of the present invention;
Fig. 3 is the compressing mechanism cross-sectional schematic according to compressor of the present invention;
Fig. 4 is compressing mechanism decomposing schematic representation when sharing intake duct according to the two-stage compression mechanism of compressor of the present invention;
Fig. 5 is the schematic diagram of putting upside down of Fig. 4;
Fig. 6 is the schematic diagram of lower flange when sharing intake duct according to the two-stage compression mechanism of compressor of the present invention;
Fig. 7 is the schematic diagram of the second cylinder according to compressor of the present invention;
Fig. 8 is compressing mechanism decomposing schematic representation when not sharing intake duct according to the two-stage compression mechanism of compressor of the present invention;
Fig. 9 is the schematic diagram of putting upside down of Fig. 8; And
Figure 10 is the schematic diagram of lower flange when not sharing intake duct according to the two-stage compression mechanism of compressor of the present invention.
Reference character in accompanying drawing is as follows: 1, housing; 2, motor stator; 3, rotor; 4, upper flange; 51, the 3rd cylinder; 511, the 3rd cylinder aspirating unit; 512, the 3rd inblock cylinder air flue; 52, the second cylinder; 521, the second cylinder aspirating unit; 522, the second inblock cylinder air flue; 523, the second inblock cylinder air drain; 53, the first cylinder; 531, the first cylinder aspirating unit; 532, the first inblock cylinder air flue; 533, tonifying Qi road; 61, the 3rd dividing plate; 62, second partition; 63, the first dividing plate; 71 three rollers; 72, the second roller; 73, the first roller; 8, lower flange; 8 ', lower flange chamber; 9, cover plate; 10, bent axle; 11, fuel sucking pipe; 12, low pressure air suction liquid-storage container; 13, low pressure air suction mouth; 14, relief opening; 15, tonifying Qi liquid-storage container; 16, gas supplementing opening; 17, arc air-breathing groove.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
See Fig. 1 to Figure 10, according to compressor of the present invention, comprise housing 1, be arranged on the bent axle 10 in housing 1, motor stator 2, rotor 3, upper flange 4 and lower flange 8 and the compressing mechanism be arranged between upper flange 4 and lower flange 8, compressing mechanism comprises: one stage of compression mechanism, comprises the first cylinder 53; Two-stage compression mechanism, is arranged on the downstream of described one stage of compression mechanism, comprises the second cylinder 52 and the 3rd cylinder 51 that are arranged in parallel; The discharge capacity of the first cylinder 53 is more than or equal to the discharge capacity sum of the second cylinder 52 and the 3rd cylinder 51.Compressor provided by the invention, can improve under identical cylinder diameter, the second cylinder and the 3rd cylinder is merged into two-stage compression and mechanism, adds the discharge capacity of compound compressor, under widening existing cylinder diameter, and the displacement range of compound compressor.Improve performance and the heating capacity of compressor.
See Fig. 3 to Figure 10, the air outlet of one stage of compression mechanism is connected with lower flange chamber 8 '.
See Fig. 4 to Figure 10, lower flange chamber 8 ' is connected with the second cylinder 52 by the second cylinder aspirating unit 521; Lower flange chamber 8 ' is connected with the 3rd cylinder 51 by the 3rd cylinder aspirating unit 511.Second cylinder 52 is connected with upper flange 4 by the second inblock cylinder air flue 522; 3rd cylinder 51 is connected with upper flange 4 by the 3rd inblock cylinder air flue 512.
See Fig. 3 to Fig. 7, in this embodiment, the second cylinder aspirating unit 521 overlaps with the 3rd cylinder aspirating unit 511.See Fig. 8 to Figure 10, it illustrates another embodiment of the present invention, in this embodiment, the second cylinder aspirating unit 521 and the 3rd cylinder aspirating unit 511 have angle on circumference distributes.Preferably, the second cylinder aspirating unit 521 and the 3rd cylinder aspirating unit 511 can be in same plane in the axial direction.
See Fig. 5 and Fig. 7, the second cylinder 52 and the 3rd cylinder 51 are provided with arc air-breathing groove 17.The breach that arc air-breathing groove 17 is relative with bent axle 10 is intakeport.
See Fig. 2, compressor also comprises the tonifying Qi liquid-storage container 15 be arranged on outside housing 1, and the air outlet of tonifying Qi liquid-storage container 15 is connected with lower flange chamber 8 '.
Preferably, see Fig. 1 to Fig. 3; Compressor mainly comprises housing 1, motor stator 2, rotor 3 and three groups of compressing mechanisms, wherein often organize compressing mechanism and all contain a cylinder, rotor 3 is fixedly connected with bent axle 10, motor driven crankshafts 10 rotates, bent axle 10 drives the first roller 71, second roller 72 and three rollers 73 to rotate, and then realize the compression of each compressing mechanism to refrigerant, fuel sucking pipe 11 is set below bent axle 10.
Wherein the first cylinder 53 is one stage of compression cylinder, and carry out first time compression to refrigerant, the second cylinder 52 and the 3rd cylinder 51 are high pressure stage compression cylinder, and carry out second time compression to refrigerant, lower flange chamber 8 ' is tonifying Qi mixing chamber.Flow through low pressure air suction liquid-storage container 12 from vaporizer refrigerant out through low pressure air suction mouth 13, enter into the first cylinder 53, carry out first time compression, the refrigerant after the first cylinder 53 compresses directly is discharged to lower flange 8.
Middle pressure refrigerant flows through tonifying Qi liquid-storage container 15, first cylinder 53 through gas supplementing opening 16 and tonifying Qi road 533 enters into lower flange chamber 8 ', and the refrigerant of discharging with the first cylinder 53 mixes.
Second cylinder 52 and the 3rd cylinder 51 are two-stage compression cylinder, flow into the second cylinder 52 and the 3rd cylinder 51 at the mixed middle pressure refrigerant of lower flange chamber 8 ' through runner and carry out second time compression, refrigerant after the second cylinder 52 compresses first is discharged to the second inblock cylinder air drain, then is discharged to enclosure interior through opening; Refrigerant after the 3rd cylinder compression is directly discharged to enclosure interior through upper flange, then is discharged in condenser by relief opening 14, thus realizes the secondary compression to refrigerant.
Preferably, see Fig. 4 to Fig. 7, in this embodiment, when each cylinder intakeport is in same plane on vertical position (shown in the straight line in Fig. 4), second cylinder 52 and the 3rd cylinder 51 are two-stage compression cylinder, and share an air-breathing runner, i.e. the second cylinder aspirating unit 521 (overlapping with the 3rd cylinder aspirating unit 511), refrigerant after first compression is from lower flange chamber 8 ', flow through the first cylinder 53, first dividing plate 63, second cylinder 52, second partition 62, the 3rd dividing plate 61, then to the 3rd cylinder 51.Because cylinder intakeport is consistent on circumferential position, the then inspiratory airflow of the second cylinder 52 and the 3rd cylinder 51 process that has a radial direction to walk about, second cylinder 52 and the 3rd cylinder 51 are designed with arc air-breathing groove 17, effectively can expand the area of air-flow Radial Flow, ensure the balance of the 3rd cylinder 51 air-breathing, be conducive to expanding air-breathing area, reduce inspiratory flow rate, ensure the gettering quantity of the 3rd cylinder 51, improve the compression efficiency of compressor.
Refrigerant after the first cylinder 53 compresses directly arrives lower flange chamber 8 ', and press refrigerant to mix in lower flange chamber 8 ' is introduced with system, mixed refrigerant enters into the second cylinder 52 through two-stage compression cylinder air-breathing runner and the 3rd cylinder 51 carries out second level compression, refrigerant after the second cylinder 52 compresses first is discharged into the second cylinder 52 air vent, and the through upper flange 4 of the second inblock cylinder air flue 522 and the second inblock cylinder air drain 523 are set, make the coolant discharging of the second inblock cylinder air drain 523 inner to housing 1, it is inner that cylinder after the 3rd cylinder 51 compresses directly is discharged into housing 1 from upper flange 4, complete the two-stage compression to refrigerant.
Preferably, see Fig. 8 to Figure 10, wherein Fig. 8 a left side for pump assembly just put figure, Fig. 9 is the figure that puts upside down of pump assembly.Under this example, proceed to the first cylinder 53 from vaporizer refrigerant out from low pressure air suction mouth, the refrigerant after the first cylinder 53 compresses is from being drained into lower flange chamber 8 '; Middle pressure refrigerant flows through tonifying Qi liquid-storage container 15, first cylinder 53 runner through gas supplementing opening 16 and enters into lower flange chamber 8 ', and the refrigerant of discharging with the first cylinder 53 mixes.
Drift angle is there is in the intakeport of three cylinders on circumferential position, second cylinder 52 and the 3rd cylinder 51 do not share air-breathing runner, but the second cylinder air intake passage and the 3rd cylinder air intake passage are set respectively, second cylinder air-breathing runner is directly communicated with the second cylinder 52 after running through lower flange chamber 8 ', first cylinder 53, first dividing plate 63 in the axial direction, whole runner is in same plane in the axial direction, does not have the passage of radial direction; 3rd cylinder aspirating unit 511 is directly communicated with the 3rd cylinder 51 after running through lower flange chamber 8 ', first cylinder 53, first dividing plate 63, second cylinder 52, second partition 62 and the 3rd dividing plate 61 in the axial direction, whole 3rd cylinder air-breathing runner is in same plane in the axial direction, does not have the passage of radial direction.This just reduces the inhalation resistance of two-stage compression cylinder, improves the performance of compressor.
Carry out into the second cylinder 52 and the 3rd cylinder 51 through the second cylinder aspirating unit 521 and the 3rd cylinder aspirating unit 511 respectively at the mixed middle pressure refrigerant of lower flange chamber 8 '.High pressure refrigerant after the second cylinder 52 compresses first is discharged into the second inblock cylinder air drain, then through the second cylinder exhaust channels discharge to enclosure interior; It is inner that cylinder after the 3rd cylinder 51 compresses directly is put into housing 1 from upper flange 4, completes the two-stage compression to refrigerant.
As can be seen from the above description, the above embodiments of the present invention achieve following technique effect:
Multi-cylinder Dual-level enthalpy adding compressor provided by the invention, can improve under identical cylinder diameter, the discharge capacity of compound compressor, under widening existing cylinder diameter, and the displacement range of compound compressor.In addition, due to high pressure air-breathing improving cavity, high pressure inhalation resistance can be reduced, the performance of compressor can be improved; Band tonifying Qi enthalpy-increasing function of the present invention, air compensation is large, effectively can improve the heating capacity of compound compressor.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a compressor, comprise housing (1), be arranged on the bent axle (10) in described housing (1), motor stator (2), rotor (3), upper flange (4) and lower flange (8) and the compressing mechanism be arranged between described upper flange (4) and described lower flange (8), it is characterized in that, described compressing mechanism comprises:
One stage of compression mechanism, comprises the first cylinder (53);
Two-stage compression mechanism, is arranged on the downstream of described one stage of compression mechanism, comprises the second cylinder (52) and the 3rd cylinder (51) that are arranged in parallel;
The discharge capacity of described first cylinder (53) is more than or equal to the discharge capacity sum of described second cylinder (52) and the 3rd cylinder (51).
2. compressor according to claim 1, it is characterized in that, the cover plate be located on described lower flange surrounds lower flange chamber (8 ') together with described lower flange, and the relief opening of described one stage of compression mechanism is connected with described lower flange chamber (8 ').
3. compressor according to claim 2, is characterized in that, described lower flange chamber (8 ') is connected with described second cylinder (52) by the second cylinder aspirating unit (521); Described lower flange chamber (8 ') is connected by the 3rd cylinder aspirating unit (511) and described 3rd cylinder (51).
4. compressor according to claim 3, is characterized in that, described second cylinder aspirating unit (521) overlaps with described 3rd cylinder aspirating unit (511).
5. compressor according to claim 3, is characterized in that, described second cylinder aspirating unit (521) and described 3rd cylinder aspirating unit (511) have angle on circumference distributes.
6. compressor according to claim 3, is characterized in that, described second cylinder aspirating unit (521) is with in described 3rd cylinder aspirating unit (511) same plane in the axial direction.
7. compressor according to claim 6, is characterized in that, described second cylinder (52) and described 3rd cylinder (51) are provided with arc air-breathing groove (17).
8. compressor according to claim 7, is characterized in that, described arc air-breathing groove (17) breach relative with described bent axle (10) is intakeport.
9. compressor according to claim 2, it is characterized in that, compressor also comprises and is arranged on described housing (1) tonifying Qi liquid-storage container (15) outward, and the air outlet of described tonifying Qi liquid-storage container (15) is connected with described lower flange chamber (8 ').
10. compressor according to claim 1, is characterized in that, described second cylinder (52) is connected with described upper flange (4) by the second inblock cylinder air flue (522); Described 3rd cylinder (51) is connected with described upper flange (4) by the 3rd inblock cylinder air flue (512).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410289272.8A CN104251211B (en) | 2013-06-28 | 2014-06-24 | Compressor |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310268785 | 2013-06-28 | ||
| CN201310268785.6 | 2013-06-28 | ||
| CN201410289272.8A CN104251211B (en) | 2013-06-28 | 2014-06-24 | Compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104251211A CN104251211A (en) | 2014-12-31 |
| CN104251211B true CN104251211B (en) | 2016-02-03 |
Family
ID=51780567
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420344158.6U Withdrawn - After Issue CN203906284U (en) | 2013-06-28 | 2014-06-24 | Compressor |
| CN201410289272.8A Active CN104251211B (en) | 2013-06-28 | 2014-06-24 | Compressor |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420344158.6U Withdrawn - After Issue CN203906284U (en) | 2013-06-28 | 2014-06-24 | Compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN203906284U (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203906284U (en) * | 2013-06-28 | 2014-10-29 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor |
| CN104728089B (en) * | 2015-03-26 | 2017-09-19 | 广东美芝制冷设备有限公司 | Three-stage blower and the refrigeration plant with it |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005124156A1 (en) * | 2004-06-15 | 2005-12-29 | Toshiba Carrier Corporation | Multi-cylinder rorary compressor |
| CN1955476A (en) * | 2005-10-27 | 2007-05-02 | 乐金电子(天津)电器有限公司 | Variable capacity multi-cylinder rotary compressor and its running method |
| CN202441601U (en) * | 2012-02-17 | 2012-09-19 | 珠海格力节能环保制冷技术研究中心有限公司 | Variable capacity compressor and air conditioner as well as heat pump water heater with the same |
| JP2012219643A (en) * | 2011-04-05 | 2012-11-12 | Panasonic Corp | Multi-cylinder compressor |
| CN203906284U (en) * | 2013-06-28 | 2014-10-29 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050098172A (en) * | 2004-04-06 | 2005-10-11 | 엘지전자 주식회사 | Structure for reducing gas leakage of rotary compressor |
-
2014
- 2014-06-24 CN CN201420344158.6U patent/CN203906284U/en not_active Withdrawn - After Issue
- 2014-06-24 CN CN201410289272.8A patent/CN104251211B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005124156A1 (en) * | 2004-06-15 | 2005-12-29 | Toshiba Carrier Corporation | Multi-cylinder rorary compressor |
| CN1955476A (en) * | 2005-10-27 | 2007-05-02 | 乐金电子(天津)电器有限公司 | Variable capacity multi-cylinder rotary compressor and its running method |
| JP2012219643A (en) * | 2011-04-05 | 2012-11-12 | Panasonic Corp | Multi-cylinder compressor |
| CN202441601U (en) * | 2012-02-17 | 2012-09-19 | 珠海格力节能环保制冷技术研究中心有限公司 | Variable capacity compressor and air conditioner as well as heat pump water heater with the same |
| CN203906284U (en) * | 2013-06-28 | 2014-10-29 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104251211A (en) | 2014-12-31 |
| CN203906284U (en) | 2014-10-29 |
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