CN105545737A - Double-stage added enthalpy compressor and control method thereof - Google Patents
Double-stage added enthalpy compressor and control method thereof Download PDFInfo
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- CN105545737A CN105545737A CN201610048358.0A CN201610048358A CN105545737A CN 105545737 A CN105545737 A CN 105545737A CN 201610048358 A CN201610048358 A CN 201610048358A CN 105545737 A CN105545737 A CN 105545737A
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- pressure cylinder
- enthalpy
- clapboard
- cylinder
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/356—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
- F04C18/3566—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member the inner and outer member being in contact along more than line or surface
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/008—Hermetic pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/10—Stators
Abstract
The invention discloses a double-stage added enthalpy compressor and a control method thereof, belongs to the technical field of heat pumps, and solves such problems as overlong middle-pressure runner in a traditional device. The double-stage added enthalpy compressor comprises a shell; a lower flange, a low-pressure cylinder, a lower separation plate, a high-pressure cylinder and an upper flange are arranged in the shell in sequence from bottom to top; a liquid separator part and an added enthalpy part are arranged out of the shell; the liquid separator part is communicated with an air sucking cavity of the low-pressure cavity; the added enthalpy part is communicated to a high-pressure cylinder added enthalpy port of the high-pressure cylinder; and a middle cavity is formed in the lower separation plate, and is respectively communicated to the high-pressure cylinder added enthalpy port and the air sucking cavity. The double-stage added enthalpy compressor and the control method thereof shorten the length of the middle-pressure runner to reduce the flow resistance loss of the middle-pressure runner and the air sucking loss of the high-pressure cylinder, so that the high-pressure cylinder sucks air more smoothly, the compression work of the upper cylinder is reduced, and the compressor performance is improved.
Description
Technical field
The present invention relates to technical field of heat pumps, particularly relate to a kind of Dual-level enthalpy adding compressor and controlling method thereof.
Background technique
Dual-level enthalpy adding compressor is widely used in art of heat pumps.Wherein, the setting position of intermediate cavity and the shape in middle baric flow road are the keys affecting two-stage enthalpy increasing rotor-type compressor performance.
The intermediate cavity of existing two-stage enthalpy increasing rotor-type compressor is opened on lower flange, causes the medium pressure gas in intermediate cavity to be easily inhaled into high-pressure cylinder; This structure causes middle baric flow road long, and then causes flow resistance loss excessive, and inhalation resistance is excessive.
Summary of the invention
One object of the present invention is to propose a kind of Dual-level enthalpy adding compressor reducing middle baric flow road flow resistance loss and high-pressure cylinder loss of suction.
Another object of the present invention is to propose the controlling method of a kind of high-pressure cylinder air-breathing Dual-level enthalpy adding compressor more smoothly.
For reaching this object, on the one hand, the present invention is by the following technical solutions:
A kind of Dual-level enthalpy adding compressor, comprises housing, in described housing, is at least disposed with lower flange, low pressure (LP) cylinder, lower clapboard, upper clapboard, high-pressure cylinder and upper flange from the bottom to top; Be outside equipped with liquor separator parts at described housing and increase enthalpy parts, described liquor separator members is to the air aspiration cavity of described low pressure (LP) cylinder, and described increasing enthalpy members increases enthalpy mouth to the high-pressure cylinder of high-pressure cylinder; Described lower clapboard is provided with intermediate cavity, and described intermediate cavity is communicated to described high-pressure cylinder respectively and increases enthalpy mouth and described air aspiration cavity.
Particularly, described high-pressure cylinder is also provided with intakeport and relief opening; Described intakeport is semi-circle structure, and runs through upper-end surface and the lower end surface of described high-pressure cylinder.
Further, described upper clapboard is provided with upper clapboard and increases enthalpy mouth and middle baric flow road; Described upper clapboard is connected with lower clapboard.
Further, the length of described intakeport is L1; The outside in described middle baric flow road is long to inside corner is L2, and Inner arc summit to the upper clapboard centre distance in described middle baric flow road is L3; The inside radius of high-pressure cylinder is d; The inside of described high-pressure cylinder is provided with roller, and the thickness of described upper roller is K; 0 < L1-L2 < 0.5mm, 1mm≤d-L3≤0.5K.
Particularly, the degree of depth of described intakeport is H, 3mm≤H≤4mm.
Particularly, described lower flange and low pressure (LP) cylinder are fixed by screw; Described high-pressure cylinder and upper flange are fixed by screw; Upper flange is fixed on the inwall of described housing.
Particularly, described upper flange is fixedly connected with supreme baffler.
Particularly, described Dual-level enthalpy adding compressor also comprises bent axle, and described bent axle runs through and fixes lower flange, low pressure (LP) cylinder, lower roller, lower clapboard, upper clapboard, high-pressure cylinder, upper roller, upper flange and upper baffler.
On the other hand, the present invention is by the following technical solutions:
A controlling method for above-mentioned Dual-level enthalpy adding compressor, refrigeration agent enters the air aspiration cavity of low pressure (LP) cylinder through liquor separator parts, then enters the intermediate cavity of lower clapboard; Increase enthalpy refrigeration agent enters high-pressure cylinder high-pressure cylinder increasing enthalpy mouth through increasing enthalpy parts, then enter the intermediate cavity of lower clapboard through upper clapboard; Flow through upper clapboard and high-pressure cylinder after refrigeration agent and increasing enthalpy refrigeration agent mix in described intermediate cavity, compress and discharge.
The lower clapboard of Dual-level enthalpy adding compressor of the present invention is provided with intermediate cavity, shorten the length in middle baric flow road, reduce the middle flow resistance loss in baric flow road and the loss of suction of high-pressure cylinder, make high-pressure cylinder air-breathing more smooth and easy, reduce the compression work of upper cylinder, improve compressor performance.
The controlling method of Dual-level enthalpy adding compressor of the present invention flows through upper clapboard and high-pressure cylinder compression discharge after refrigeration agent and increasing enthalpy refrigeration agent mix in the intermediate cavity of lower clapboard, flow resistance loss is less, the loss of suction of high-pressure cylinder is less, and the air-breathing of high-pressure cylinder is more smooth and easy, and compressor performance is higher.
Accompanying drawing explanation
Fig. 1 is the structural representation of the Dual-level enthalpy adding compressor that the preferred embodiment of the present invention provides;
Fig. 2 is the plan view of the high-pressure cylinder that the preferred embodiment of the present invention provides;
Fig. 3 is Fig. 2 is that B-B is to sectional view;
Fig. 4 is the plan view of the upper clapboard that the preferred embodiment of the present invention provides.
In figure:
1, housing; 2, lower flange; 3, low pressure (LP) cylinder; 4, lower clapboard; 5, upper clapboard; 6, high-pressure cylinder; 7, upper flange; 8, liquor separator parts; 9, enthalpy parts are increased; 10, upper roller; 11, upper baffler; 12, bent axle; 13, lower roller; 51, upper clapboard increases enthalpy mouth; 52, middle baric flow road; 61, high-pressure cylinder increases enthalpy mouth; 62, intakeport; 63, relief opening.
Embodiment
Technological scheme of the present invention is further illustrated by embodiment below in conjunction with accompanying drawing.
Preferred embodiment:
This preferred embodiment discloses a kind of Dual-level enthalpy adding compressor.As shown in Figure 1, this Dual-level enthalpy adding compressor comprises housing 1, in housing 1, be at least disposed with lower flange 2, low pressure (LP) cylinder 3, lower clapboard 4, upper clapboard 5, high-pressure cylinder 6 and upper flange 7 from the bottom to top; Be outside equipped with liquor separator parts 8 at housing 1 and increase enthalpy parts 9, liquor separator parts 8 are communicated to the air aspiration cavity of low pressure (LP) cylinder 3, increase the high-pressure cylinder increasing enthalpy mouth 61 that enthalpy parts 9 are communicated to high-pressure cylinder 6; Lower clapboard 4 is provided with intermediate cavity, and intermediate cavity is communicated to high-pressure cylinder respectively and increases enthalpy mouth 61 and air aspiration cavity.
The controlling method of this Dual-level enthalpy adding compressor is that refrigeration agent enters the air aspiration cavity of low pressure (LP) cylinder 3 through liquor separator parts 8, then enters the intermediate cavity of lower clapboard 4; Increase enthalpy refrigeration agent enters high-pressure cylinder 6 high-pressure cylinder increasing enthalpy mouth 61 through increasing enthalpy parts 9, then enter the intermediate cavity of lower clapboard 4 through upper clapboard 5; Flow through upper clapboard 5 and high-pressure cylinder 6 after refrigeration agent and increasing enthalpy refrigeration agent mix in intermediate cavity, compress and discharge.
Intermediate cavity is arranged on lower clapboard 4, shorten the length in middle baric flow road 52, coordinate the smallest cross-section area in baric flow road in increasing again, the flow resistance loss in baric flow road 52 and the loss of suction of high-pressure cylinder 6 in can reducing, make that high-pressure cylinder 6 air-breathing is more smooth and easy, compression work is lower, performance is higher.
The concrete structure of high-pressure cylinder 6 is not limit, and preferably, as shown in Figures 2 and 3, high-pressure cylinder 6 is provided with intakeport 62 and relief opening 63.Wherein, the preferred of intakeport 62 is semi-circle structure, and intakeport 62 runs through upper-end surface and the lower end surface of high-pressure cylinder 6, the loss of suction of baric flow road 52 flow resistance loss and high-pressure cylinder 6 in can reducing further, makes high-pressure cylinder 6 air-breathing more smooth and easy.
The concrete structure of upper clapboard 5 is not limit, and preferably, as shown in Figure 4, upper clapboard 5 is provided with upper clapboard and increases enthalpy mouth 51 and middle baric flow road 52.Upper clapboard 5 is connected with lower clapboard 4, and high-pressure cylinder 6 is communicated to lower clapboard 4 after upper clapboard 5.
In order to obtain better performance, the length of intakeport 62 is L1; The outside in middle baric flow road 52 is long to inside corner is L2, and Inner arc summit to upper clapboard 5 centre distance in middle baric flow road 52 is L3; The inside radius of high-pressure cylinder 6 is d; The inside of high-pressure cylinder 6 is provided with roller 10, and the thickness of upper roller 10 is K; 0 < L1-L2 < 0.5mm, 1mm≤d-L3≤0.5K.Preferably, the degree of depth (the end face up axle direction from upper clapboard) of intakeport 62 is H, 3mm≤H≤4mm.
On the basis of said structure, lower flange 2 and low pressure (LP) cylinder 3 are fixed by screw; High-pressure cylinder 6 and upper flange 7 are fixed by screw; Upper flange 7 is fixed on the inwall of housing 1.Preferably, upper flange 7 is fixedly connected with supreme baffler 11.
On the basis of said structure, Dual-level enthalpy adding compressor can also comprise bent axle 12, and bent axle 12 runs through and fixes lower flange 2, low pressure (LP) cylinder 3, lower roller 13, lower clapboard 4, upper clapboard 5, high-pressure cylinder 6, upper roller 10, upper flange 7 and upper baffler 11.
Note, the know-why that above are only preferred embodiment of the present invention and use.Skilled person in the art will appreciate that and the invention is not restricted to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute and can not protection scope of the present invention be departed from.Therefore, although be described in further detail invention has been by above embodiment, the present invention is not limited only to above embodiment, when not departing from the present invention's design, can also comprise other Equivalent embodiments more, and scope of the present invention is determined by appended right.
Claims (9)
1. a Dual-level enthalpy adding compressor, it is characterized in that, comprise housing (1), in described housing (1), be at least disposed with lower flange (2), low pressure (LP) cylinder (3), lower clapboard (4), upper clapboard (5), high-pressure cylinder (6) and upper flange (7) from the bottom to top; Be outside equipped with liquor separator parts (8) at described housing (1) and increase enthalpy parts (9), described liquor separator parts (8) are communicated to the air aspiration cavity of described low pressure (LP) cylinder (3), and the high-pressure cylinder that described increasing enthalpy parts (9) are communicated to high-pressure cylinder (6) increases enthalpy mouth (61); (4) are provided with intermediate cavity to described lower clapboard, and described intermediate cavity is communicated to described high-pressure cylinder respectively and increases enthalpy mouth (61) and described air aspiration cavity.
2. Dual-level enthalpy adding compressor according to claim 1, is characterized in that, described high-pressure cylinder (6) is also provided with intakeport (62) and relief opening (63); Described intakeport (62) in semi-circle structure, and runs through upper-end surface and the lower end surface of described high-pressure cylinder (6).
3. Dual-level enthalpy adding compressor according to claim 2, is characterized in that, described upper clapboard (5) is provided with upper clapboard and increases enthalpy mouth (51) and middle baric flow road (52); Described upper clapboard (5) is connected with lower clapboard (4).
4. Dual-level enthalpy adding compressor according to claim 3, is characterized in that, the length of described intakeport (62) is L1; The outside of described middle baric flow road (52) is long to inside corner is L2, and Inner arc summit to upper clapboard (5) centre distance of described middle baric flow road (52) is L3; The inside radius of high-pressure cylinder (6) is d; The inside of described high-pressure cylinder (6) is provided with roller (10), and the thickness of described upper roller (10) is K; 0 < L1-L2 < 0.5mm, 1mm≤d-L3≤0.5K.
5., according to the arbitrary described Dual-level enthalpy adding compressor of claim 2 to 4, it is characterized in that, the degree of depth of described intakeport (62) is H, 3mm≤H≤4mm.
6., according to the arbitrary described Dual-level enthalpy adding compressor of Claims 1-4, it is characterized in that, described lower flange (2) and low pressure (LP) cylinder (3) are fixed by screw; Described high-pressure cylinder (6) and upper flange (7) are fixed by screw; Upper flange (7) is fixed on the inwall of described housing (1).
7., according to the arbitrary described Dual-level enthalpy adding compressor of Claims 1-4, it is characterized in that, described upper flange (7) is fixedly connected with supreme baffler (11).
8. according to the arbitrary described Dual-level enthalpy adding compressor of Claims 1-4, it is characterized in that, described Dual-level enthalpy adding compressor also comprises bent axle (12), and described bent axle (12) runs through and fixes lower flange (2), low pressure (LP) cylinder (3), lower roller (13), lower clapboard (4), upper clapboard (5), high-pressure cylinder (6), upper roller (10), upper flange (7) and upper baffler (11).
9. a controlling method for Dual-level enthalpy adding compressor as described in as arbitrary in claim 1 to 8, it is characterized in that, refrigeration agent enters the air aspiration cavity of low pressure (LP) cylinder (3) through liquor separator parts (8), then enters the intermediate cavity of lower clapboard (4); Increase enthalpy refrigeration agent enters high-pressure cylinder (6) high-pressure cylinder increasing enthalpy mouth (61) through increasing enthalpy parts (9), then enter the intermediate cavity of lower clapboard (4) through upper clapboard (5); Flow through upper clapboard (5) and high-pressure cylinder (6) after refrigeration agent and increasing enthalpy refrigeration agent mix in described intermediate cavity, compress and discharge.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610048358.0A CN105545737B (en) | 2016-01-25 | 2016-01-25 | Dual-level enthalpy adding compressor and its control method |
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| CN201610048358.0A CN105545737B (en) | 2016-01-25 | 2016-01-25 | Dual-level enthalpy adding compressor and its control method |
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| CN105545737A true CN105545737A (en) | 2016-05-04 |
| CN105545737B CN105545737B (en) | 2018-06-01 |
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| WO2018000819A1 (en) * | 2016-06-29 | 2018-01-04 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotating cylinder enthalpy-increasing piston compressor and air conditioning system provided with same |
| CN108087272A (en) * | 2017-11-30 | 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 conditioner |
| CN108869304A (en) * | 2018-06-25 | 2018-11-23 | 苏州利森空调制冷有限公司 | A kind of gas supplementary structure of single screw compressor |
| CN114183356A (en) * | 2021-12-06 | 2022-03-15 | 珠海格力电器股份有限公司 | Two-stage enthalpy-increasing compressor and air conditioner |
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| CN114183356A (en) * | 2021-12-06 | 2022-03-15 | 珠海格力电器股份有限公司 | Two-stage enthalpy-increasing compressor and air conditioner |
| CN114183356B (en) * | 2021-12-06 | 2022-11-15 | 珠海格力电器股份有限公司 | Two-stage enthalpy-increasing compressor and air conditioner |
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| CN105545737B (en) | 2018-06-01 |
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