CN105443385A - Two-stage enthalpy-increase compressor and air conditioner - Google Patents
Two-stage enthalpy-increase compressor and air conditioner Download PDFInfo
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- CN105443385A CN105443385A CN201410228879.5A CN201410228879A CN105443385A CN 105443385 A CN105443385 A CN 105443385A CN 201410228879 A CN201410228879 A CN 201410228879A CN 105443385 A CN105443385 A CN 105443385A
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Abstract
The present invention provides a two-stage enthalpy-increase compressor comprising an upper cylinder, a lower cylinder and a lower flange, the upper cylinder, the lower cylinder and the lower flange are successively arranged from top to bottom, a middle separator is arranged between the upper cylinder and the lower cylinder, the lower cylinder is used as a first stage compression cylinder, the upper cylinder is used as a second stage compression cylinder, the lower cylinder is provided with a lower cylinder air intake port and a lower cylinder enthalpy-increase port, the lower flange is provided with an intermediate cavity, the intermediate chamber includes a first cavity and a second cavity, the wall of the first cavity is provided with a first enthalpy-increase port, the first enthalpy-increase port is communicated with the lower cylinder enthalpy-increase port, a second enthalpy-increase port is arranged between the first cavity and the second cavity, the second enthalpy-increase port is provided with a check valve device, and the check valve device is used for one-way circulating of a refrigerant between the first cavity and the second cavity. The present invention further relates to an air conditioner. The two-stage enthalpy-increase compressor and the air conditioner improve the high-pressure stage suction pressure during enthalpy increase, reduce power consumption and improve the performance of the compressor.
Description
Technical field
The present invention relates to refrigerating field, particularly relate to a kind of change intermediate cavity volume Dual-level enthalpy adding compressor and air conditioner.
Background technique
The twin-tub single stage compression technology that application rolling piston compressor principle realizes is more ripe, and under the sustainable development theme of current efficient, energy-saving and environmental protection, two-stage enthalpy increasing compress technique has been applied to heat pump product, but this technology exists at present to close and increases under enthalpy operating mode because of the excessive power caused of lower flange intermediate cavity volume is high, performance is low problem.
Summary of the invention
In view of the present situation of prior art, the object of the present invention is to provide a kind of Dual-level enthalpy adding compressor and air conditioner, it improves high pressure stage pressure of inspiration(Pi) when closing increasing enthalpy, reduces power consumption, improves compressor performance.Solve the problem that power is high, performance is low of closing and causing because intermediate cavity volume is excessive when increasing enthalpy.For achieving the above object, technological scheme of the present invention is as follows:
A kind of Dual-level enthalpy adding compressor, comprise upper cylinder, lower cylinder and lower flange, described upper cylinder, described lower cylinder and described lower flange set gradually from top to bottom, arrange central diaphragm between described upper cylinder and described lower cylinder; Described lower cylinder is as first order compression cylinder, and described upper cylinder is as second level compression cylinder;
Described lower cylinder arranges lower cylinder intakeport and lower cylinder increases enthalpy mouth;
Described lower flange is provided with intermediate cavity, and described intermediate cavity comprises the first cavity and the second cavity, the wall of described first cavity is arranged the first increasing enthalpy mouth, and described first increasing enthalpy mouth increases enthalpy mouth with described lower cylinder and is connected;
Arrange the second increasing enthalpy mouth between described first cavity and described second cavity, described second increases enthalpy mouth place is provided with check vavle device, and described check vavle device is used for the one-way flow of refrigerant between the first cavity and the second cavity.
Wherein in an embodiment, described check vavle device comprises increasing enthalpy valve block and increases enthalpy seal ring, and described increasing enthalpy valve block and increasing enthalpy seal ring are assemblied in described second increasing enthalpy mouth successively.
Wherein in an embodiment, described increasing enthalpy valve block is board-like elastic valve plate, and described increasing enthalpy valve block offers spiral-shaped orifices;
The fit system that described increasing enthalpy seal ring and described second increases enthalpy mouth is interference fit.
Wherein in an embodiment, described second increasing enthalpy mouth is shoulder hole, and the diameter of the first sector hole of described shoulder hole is less than the diameter of the second sector hole of described shoulder hole;
Described increasing enthalpy valve block and described increasing enthalpy seal ring are assemblied in the second sector hole of described shoulder hole successively, the diameter of the first sector hole of described shoulder hole is d1, the inner ring diameter of described increasing enthalpy valve block is D1, the internal diameter of described increasing enthalpy seal ring is d2, wherein, d1 < D1 < d2.
Wherein in an embodiment, the volume of described first cavity is V1, and the volume of described second cavity is V2, wherein, and 0.5≤V1/V2≤1.
Wherein in an embodiment, described second increasing enthalpy mouth is shoulder hole, and the diameter of the first sector hole of described shoulder hole is less than the diameter of the second sector hole of described shoulder hole;
Described first sectional area increasing enthalpy mouth is S1, and the sectional area of the first sector hole of described shoulder hole is S2, wherein, and S2/S1 >=1.2.
Wherein in an embodiment, described lower flange is also provided with the relief opening for being communicated with described lower cylinder, described relief opening is communicated with described second cavity, and described exhaust ports arranges drain tap assembly, makes the exhaust of described lower cylinder enter described second cavity through described relief opening.
Wherein in an embodiment, described lower flange also being arranged the first flow for being communicated with the second cavity, described lower cylinder being arranged the second runner; Described central diaphragm is arranged the 3rd runner, described first flow, the second runner and the 3rd flow passage, for being communicated with the suction end of upper cylinder.
Also relate to a kind of air conditioner, comprise compressor, described compressor is the Dual-level enthalpy adding compressor of above-mentioned arbitrary technological scheme.
The invention has the beneficial effects as follows:
Dual-level enthalpy adding compressor of the present invention and air conditioner, arrange check vavle device between the first cavity and the second cavity, and when closing increasing enthalpy, intermediate cavity is made up of the second cavity; When opening increasing enthalpy, intermediate cavity is made up of the first cavity and the second cavity; This check vavle device achieves the switching of intermediate cavity volume size when switch increases enthalpy, thus achieves the change of intermediate cavity volume when switch increases enthalpy.Solve the problem that power is high, performance is low of closing and causing because intermediate cavity volume is excessive when increasing enthalpy.It improves high pressure stage pressure of inspiration(Pi) when closing increasing enthalpy, reduces power consumption, improves compressor performance.Increase enthalpy valve block modular construction simple, processing and easy for installation.
Accompanying drawing explanation
Fig. 1 is the structural representation of Dual-level enthalpy adding compressor one embodiment of the present invention;
Fig. 2 is the structural representation of lower flange shown in Fig. 1;
Fig. 3 is the decomposing schematic representation of lower flange shown in Fig. 1;
Fig. 4 is the structure cross-sectional schematic increasing enthalpy seal ring shown in Fig. 3;
Fig. 5 is the structure cross-sectional schematic increasing enthalpy valve block shown in Fig. 3.
Embodiment
In order to make object of the present invention, technological scheme and advantage clearly understand, below in conjunction with drawings and Examples, Dual-level enthalpy adding compressor of the present invention and air conditioner are further elaborated.Should be appreciated that specific embodiment described herein only for explaining the present invention, being not intended to limit the present invention.
Referring to figs. 1 through Fig. 5, Dual-level enthalpy adding compressor one embodiment of the present invention comprises upper cylinder 9, lower cylinder 2 and lower flange 3, and upper cylinder 9, lower cylinder 2 and lower flange 3 set gradually from top to bottom, arrange central diaphragm 8 between upper cylinder 9 and lower cylinder 2; Lower cylinder 2 is as first order compression cylinder, and upper cylinder 9 is as second level compression cylinder; Lower cylinder 2 arranges lower cylinder intakeport and lower cylinder increases enthalpy mouth.Lower flange 3 is provided with intermediate cavity, the wall that intermediate cavity comprises the first cavity 31 and the second cavity 33, first cavity 31 is arranged the first increasing enthalpy mouth 32, first and increases enthalpy mouth 32 and increase enthalpy mouth with lower cylinder and be connected;
Dual-level enthalpy adding compressor also comprises motor rotor component 13, motor stator component 14, liquor separator parts 1, increases enthalpy assembly 7, liquor separator parts 1 are fixed by welding on frame set 6, lower cylinder 2 (low pressure (LP) cylinder) is fixed on lower flange 3 by screw, lower flange 3 is connected with lower flange cover plate 4, liquor separator parts 1 are communicated with lower cylinder intakeport by sucking pipe, increase enthalpy assembly 7 to communicate with the first cavity 31 of lower flange 3, the fit system that increasing enthalpy assembly 7 and lower cylinder increase enthalpy mouth is interference fit, upper cylinder 9 (high-pressure cylinder) is fixedly connected with upper baffler 11 with upper flange component 10 by screw, upper cylinder 9 is also connected with central diaphragm 8, upper cylinder 9 is welded on frame set 6, bent axle 12 is through lower flange 3, lower cylinder 2, lower rolling rotor, lower flange cover plate 4, central diaphragm 8, upper cylinder 9, upper rolling rotor, upper flange component 10 and upper baffler 11, outlet pipe 16 is welded on cover assembly 15, cover assembly 15 is welded on frame set 6.
Lower flange 3 is also provided with the relief opening 35 for being communicated with lower cylinder 2, and relief opening 35 is communicated with the second cavity 33, and relief opening 35 place arranges drain tap assembly 37, makes the exhaust of lower cylinder 2 enter the second cavity 33 through relief opening 35.Lower flange 3 being also provided with the first flow 36 for being communicated with the second cavity 33, lower cylinder 2 being arranged the second runner, central diaphragm 8 is arranged the 3rd runner, first flow 36, second runner and the 3rd flow passage, for being communicated with the suction end of upper cylinder 9.
Arrange the second increasing enthalpy mouth 34, second increasing enthalpy mouth 34 place between first cavity 31 and the second cavity 33 and be provided with check vavle device, check vavle device is used for the one-way flow of refrigerant between the first cavity 31 and the second cavity 33.
Check vavle device comprises increasing enthalpy valve block 38 and increases enthalpy seal ring 39, increases enthalpy valve block 38 and is assemblied in successively in the second increasing enthalpy mouth 34 with increasing enthalpy seal ring 39.Increasing enthalpy seal ring 39 and the second fit system increasing enthalpy mouth 34 are interference fit, increase enthalpy valve block 38 and are placed in increasing enthalpy valve block fixed end 3901 side increasing enthalpy seal ring 39, thus realize fixing increasing enthalpy valve block 38.
As a kind of embodiment, increasing enthalpy valve block 38 is board-like elastic valve plate, and the body 3801 of increasing enthalpy valve block 38 offers spiral-shaped orifices 3802.Preferably, the second increasing enthalpy mouth 34 is shoulder hole, and described shoulder hole is divided into two sections, and wherein, the diameter of first sector hole (aperture) of described shoulder hole is less than the diameter of second sector hole (macropore) of described shoulder hole; Increasing enthalpy valve block 38 and increasing enthalpy seal ring 39 is assemblied in second sector hole (macropore) of described shoulder hole successively, the diameter of first sector hole (aperture) of described shoulder hole is d1, the inner ring diameter increasing enthalpy valve block 38 is D1, the internal diameter increasing enthalpy seal ring 39 is d2, wherein, d1 < D1 < d2.
As a kind of embodiment, first sectional area (radial cross section amasss) increasing enthalpy mouth 32 is S1, the sectional area (radial cross section amasss) of first sector hole (aperture) of described shoulder hole is S2, that is the second orifice cross sectional increasing enthalpy mouth 34 amasss as S2; Wherein, S2/S1 >=1.2.
As a kind of embodiment, the volume of the first cavity 31 is V1, and the volume of the second cavity 33 is V2, wherein, and 0.5≤V1/V2≤1.
The refrigeration agent process of circulation is sketched:
(1) when closing increasing enthalpy, at motor (rotor assembly 13, stator module 14) rotation under, compressor operation, system refrigerant enters into lower cylinder 2 (low pressure (LP) cylinder) by liquor separator parts 1 and compresses, the exhaust valve plate assembly 37 of lower flange 3 is opened under differential pressure action, middle compression refrigerant enters in the second cavity 33 of lower flange 3, now increase enthalpy valve block 38 to close, thus the first cavity 31 is not communicated with the second cavity 33, middle compression refrigerant is successively by the first flow 36 on lower flange 3, the second runner on lower cylinder 2, the 3rd runner on central diaphragm 8 enters and carries out secondary compression in upper cylinder 9 and be compressed into high-pressure refrigerant, be expelled to by frame set 6 through upper flange component 10 again, cover assembly 15, in lower cover 5 Special composition, and be discharged to system (vaporizer or condenser) from outlet pipe 16, namely complete a twin-stage and close the compression of increasing enthalpy.
(2) when opening increasing enthalpy, under the rotation of motor (rotor assembly 13, stator module 14), compressor operation, the refrigeration agent of returning from system is divided into two-part, a part enters into lower cylinder 2 (low pressure (LP) cylinder) by liquor separator parts 1 and carries out one stage of compression, open under the exhaust valve plate assembly 37 of lower flange 3 acts under differential pressure, the middle compression refrigerant after lower cylinder compression is discharged in the second cavity 33 of lower flange 3, another part refrigeration agent enters the first cavity 31 from increasing the first increasing enthalpy mouth 32 of enthalpy assembly 7 through lower cylinder increasing enthalpy mouth and lower flange 3, now the increasing enthalpy valve block 38 of lower flange 3 is opened under differential pressure action, first cavity 31 of lower flange 3 is communicated with the second cavity 33, the refrigeration agent that increasing enthalpy refrigeration agent enters after entering and compressing with lower cylinder 2 in the second cavity 33 of lower flange 3 mixes mutually, the mix refrigerant fluid formed, successively by the first flow 36 on lower flange 3, the 3rd road on the second runner on lower cylinder 2 and central diaphragm 8 enters in upper cylinder 9 and carries out secondary compression, high-pressure refrigerant liquid is become after secondary compression, be expelled to by frame set 6 through upper flange component 10 again, cover assembly 15, in lower cover 5 Special composition, and be discharged to system (vaporizer or condenser) from outlet pipe 16, namely a two-stage enthalpy increasing compression is completed.
The invention still further relates to a kind of air conditioner, comprise the Dual-level enthalpy adding compressor of above-mentioned arbitrary technological scheme, because air conditioner is prior art except Dual-level enthalpy adding compressor, repeat no longer one by one herein.
The Dual-level enthalpy adding compressor of above embodiment and air conditioner, arrange check vavle device between the first cavity 31 and the second cavity 33, and when closing increasing enthalpy, intermediate cavity is made up of the second cavity 33; When opening increasing enthalpy, intermediate cavity is made up of the first cavity 31 and the second cavity 33; This check vavle device achieves the switching of intermediate cavity volume size when switch increases enthalpy, thus achieves the change of intermediate cavity volume when switch increases enthalpy.Solve the problem that power is high, performance is low of closing and causing because intermediate cavity volume is excessive when increasing enthalpy.It improves high pressure stage pressure of inspiration(Pi) when closing increasing enthalpy, reduces power consumption, improves compressor performance.Increase enthalpy valve block modular construction simple, processing and easy for installation.
The above embodiment only have expressed several mode of execution of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (9)
1. a Dual-level enthalpy adding compressor, is characterized in that:
Comprise upper cylinder, lower cylinder and lower flange, described upper cylinder, described lower cylinder and described lower flange set gradually from top to bottom, arrange central diaphragm between described upper cylinder and described lower cylinder; Described lower cylinder is as first order compression cylinder, and described upper cylinder is as second level compression cylinder;
Described lower cylinder arranges lower cylinder intakeport and lower cylinder increases enthalpy mouth;
Described lower flange is provided with intermediate cavity, and described intermediate cavity comprises the first cavity and the second cavity, the wall of described first cavity is arranged the first increasing enthalpy mouth, and described first increasing enthalpy mouth increases enthalpy mouth with described lower cylinder and is connected;
Arrange the second increasing enthalpy mouth between described first cavity and described second cavity, described second increases enthalpy mouth place is provided with check vavle device, and described check vavle device is used for the one-way flow of refrigerant between the first cavity and the second cavity.
2. Dual-level enthalpy adding compressor according to claim 1, is characterized in that:
Described check vavle device comprises increasing enthalpy valve block and increases enthalpy seal ring, and described increasing enthalpy valve block and increasing enthalpy seal ring are assemblied in described second increasing enthalpy mouth successively.
3. Dual-level enthalpy adding compressor according to claim 2, is characterized in that:
Described increasing enthalpy valve block is board-like elastic valve plate, and described increasing enthalpy valve block offers spiral-shaped orifices;
The fit system that described increasing enthalpy seal ring and described second increases enthalpy mouth is interference fit.
4. Dual-level enthalpy adding compressor according to claim 3, is characterized in that:
Described second increasing enthalpy mouth is shoulder hole, and the diameter of the first sector hole of described shoulder hole is less than the diameter of the second sector hole of described shoulder hole;
Described increasing enthalpy valve block and described increasing enthalpy seal ring are assemblied in the second sector hole of described shoulder hole successively, the diameter of the first sector hole of described shoulder hole is d1, the inner ring diameter of described increasing enthalpy valve block is D1, the internal diameter of described increasing enthalpy seal ring is d2, wherein, d1 < D1 < d2.
5. Dual-level enthalpy adding compressor according to claim 1, is characterized in that:
The volume of described first cavity is V1, and the volume of described second cavity is V2, wherein, and 0.5≤V1/V2≤1.
6. Dual-level enthalpy adding compressor according to claim 1, is characterized in that:
Described second increasing enthalpy mouth is shoulder hole, and the diameter of the first sector hole of described shoulder hole is less than the diameter of the second sector hole of described shoulder hole;
Described first sectional area increasing enthalpy mouth is S1, and the sectional area of the first sector hole of described shoulder hole is S2, wherein, and S2/S1 >=1.2.
7. Dual-level enthalpy adding compressor according to claim 1, is characterized in that:
Described lower flange is also provided with the relief opening for being communicated with described lower cylinder, and described relief opening is communicated with described second cavity, and described exhaust ports arranges drain tap assembly, makes the exhaust of described lower cylinder enter described second cavity through described relief opening.
8. the Dual-level enthalpy adding compressor according to any one of claim 1-7, is characterized in that:
Described lower flange being arranged the first flow for being communicated with the second cavity, described lower cylinder being arranged the second runner; Described central diaphragm is arranged the 3rd runner, described first flow, the second runner and the 3rd flow passage, for being communicated with the suction end of upper cylinder.
9. an air conditioner, comprises compressor, it is characterized in that:
Described compressor wants the Dual-level enthalpy adding compressor described in any one of 1-8 for right.
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| CN108087238A (en) * | 2017-11-03 | 2018-05-29 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and with its air-conditioning system |
| CN109026708A (en) * | 2018-09-18 | 2018-12-18 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of pump assembly and compressor |
| CN110043466A (en) * | 2019-05-28 | 2019-07-23 | 西安交通大学 | A kind of multi-stage rotary compressor and working method with bottom intermediate cavity |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105864038A (en) * | 2015-01-23 | 2016-08-17 | 珠海格力节能环保制冷技术研究中心有限公司 | Intermediate cavity structure and two-stage enthalpy-adding rotor type compressor |
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| CN110043466A (en) * | 2019-05-28 | 2019-07-23 | 西安交通大学 | A kind of multi-stage rotary compressor and working method with bottom intermediate cavity |
| CN110043466B (en) * | 2019-05-28 | 2023-07-18 | 西安交通大学 | Multistage rotary compressor with bottom middle cavity and working method |
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| CN105443385B (en) | 2017-04-12 |
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