CN104632626A - Two-stage enthalpy-increasing rotor compressor and air conditioner - Google Patents
Two-stage enthalpy-increasing rotor compressor and air conditioner Download PDFInfo
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- CN104632626A CN104632626A CN201410298768.1A CN201410298768A CN104632626A CN 104632626 A CN104632626 A CN 104632626A CN 201410298768 A CN201410298768 A CN 201410298768A CN 104632626 A CN104632626 A CN 104632626A
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- cover plate
- stage
- intermediate cavity
- cylinder
- pressure stage
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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
- 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
- F04C23/001—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 of similar working principle
-
- 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
- F04C29/06—Silencing
- F04C29/065—Noise dampening volumes, e.g. muffler chambers
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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
- 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
- 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
- F04C29/124—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps
- F04C29/126—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps of the non-return type
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention provides a two-stage enthalpy-increasing rotor compressor. The two-stage enthalpy-increasing rotor compressor comprises a high-pressure-stage air cylinder, a middle cover plate assembly, a low-pressure-stage air cylinder, a lower flange and a lower cover plate, which are sequentially arranged from top to bottom, wherein the low-pressure-stage air cylinder is used as a primary compression cylinder, and the high-pressure-stage air cylinder is used as a secondary compression cylinder; a first middle cavity is formed inside the middle cover plate assembly, a second middle cavity is formed between the lower flange and the lower cover plate, the first middle cavity is communicated with the second middle cavity, a first exhaust opening and a first air replenishing opening are formed in the first middle cavity, and a second exhaust opening and a second air replenishing opening are formed in the second middle cavity; the first exhaust opening is communicated with an upper exhaust incision of the low-pressure-stage air cylinder, the second exhaust opening is communicated with a lower exhaust incision of the low-pressure-stage air cylinder, the first air replenishing opening and the second air replenishing opening are communicated with an enthalpy increasing opening of the low-pressure-stage air cylinder, and the first middle cavity is communicated with an air suction opening of the high-pressure-stage air cylinder. The invention also relates to an air conditioner. By adopting the two-stage enthalpy-increasing rotor compressor and the air conditioner, the volume of the middle cavity is increased, the fluctuation of the pressure of the middle cavity is effectively prevented, and the air replenishing efficiency is high.
Description
Technical field
The present invention relates to refrigerating field, particularly relate to a kind of two-stage enthalpy increasing rotor-type compressor and air conditioner.
Background technique
Two-stage enthalpy increasing rotor-type compressor, due to application characteristics such as it is efficient, good reliability, wide temperature ranges, obtains in the field such as low-temperature heating, high-temperature refrigeration and applies more and more widely.In prior art, intermediate cavity is that one stage of compression is vented the chamber mixed with tonifying Qi, because rotor-type compressor is non-uniform speed air-breathing, exhaust, causes gas pressure fluctuation in intermediate cavity fairly obvious.The fluctuation of intermediate cavity inner refrigerant pressure often causes low pressure stage level cylinder exhaust not smooth, and the loss of overcompression machine is large; High pressure stage level cylinder pressure of inspiration(Pi) is low, and two-stage compression pressure ratio raises, and two-stage compression power increases; Meanwhile, in the intermediate cavity pressure peak stage, intermediate cavity internal pressure, higher than superfeed pressure, causes tonifying Qi to be flow backwards, and reduces the performance of refrigeration system; The excessive compressor airflow noise that causes of intermediate cavity pressure surge is larger.
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 two-stage enthalpy increasing rotor-type compressor and air conditioner, the first intermediate cavity and the second intermediate cavity are set, had both increased intermediate cavity volume, can effectively suppress intermediate cavity pressure surge again, improve tonifying Qi efficiency.For achieving the above object, technological scheme of the present invention is as follows:
A kind of two-stage enthalpy increasing rotor-type compressor, comprise high pressure stage cylinder, low pressure stage cylinder, cover plate assembly, lower flange and lower cover plate, described high pressure stage cylinder, described cover plate assembly, described low pressure stage cylinder, described lower flange and described lower cover plate set gradually from top to bottom, described low pressure stage cylinder is as one stage of compression cylinder, and described high pressure stage cylinder is as two-stage compression cylinder, described cover plate component internal forms the first intermediate cavity, described lower flange and described lower cover plate form the second intermediate cavity, described first intermediate cavity is connected with described second intermediate cavity, described first intermediate cavity has first row gas port and the first gas supplementing opening, described second intermediate cavity has second exhaust port and the second gas supplementing opening, described low pressure stage cylinder has double-exhaust port, be respectively exhaust otch and lower exhaust otch, described low pressure stage cylinder is also provided with and increases enthalpy mouth, described first row gas port is communicated with described upper exhaust otch, described second exhaust port is communicated with described lower exhaust otch, described first gas supplementing opening and the second gas supplementing opening are all communicated with described increasing enthalpy mouth, described first intermediate cavity is communicated with the intakeport of described high pressure stage cylinder.
Wherein in an embodiment, described first intermediate cavity and described second intermediate cavity by being successively set on described cover plate assembly, described low pressure stage cylinder is connected with the center-aisle on described lower flange.
Wherein in an embodiment, described first row gas port, described second exhaust port, described first gas supplementing opening and described second gas supplementing opening place are provided with check vavle device, and described check vavle device is used for the one-way flow of refrigerant at described first row gas port, described second exhaust port, described first gas supplementing opening and described second gas supplementing opening place.
Wherein in an embodiment, described check vavle device comprises valve block backboard and valve block, and described valve block backboard is pressed on described valve block.
Wherein in an embodiment, described check vavle device is annular valve structure.
Wherein in an embodiment, described center-aisle place is also provided with check vavle device, for the one-way flow of refrigerant at described center-aisle.
Wherein in an embodiment, described cover plate assembly comprises cover plate and middle flange, and described cover plate is placed in the top of described flange, and described cover plate and described middle flange form described first intermediate cavity.
Also relate to a kind of air conditioner, comprise the described two-stage enthalpy increasing rotor-type compressor of above-mentioned arbitrary technological scheme.
The invention has the beneficial effects as follows:
Two-stage enthalpy increasing rotor-type compressor of the present invention and air conditioner, arrange the first intermediate cavity and the second intermediate cavity, both increased intermediate cavity volume, effectively suppresses intermediate cavity pressure surge again, improves tonifying Qi efficiency; Second intermediate cavity inner refrigerant flows into high pressure stage cylinder by the first intermediate cavity, and the first intermediate cavity and the second intermediate cavity form bicavate expansion noise elimination structure, can effectively reduce the noise of low pressure stage exhaust, high pressure stage air-breathing; Low pressure stage cylinder has double-exhaust structure, effectively solves the problem that one-level exhaust is not smooth, reduces one stage of compression power; Check vavle device is set, ensure that two abundant tonifying Qi of intermediate cavity, and two intermediate cavity mixed gass can be prevented by air supply passage crossfire.
Accompanying drawing explanation
Fig. 1 is the structural representation of two-stage enthalpy increasing rotor-type compressor one embodiment of the present invention;
Fig. 2 is the pump body structure schematic diagram of the rotor-type compressor of two-stage enthalpy increasing shown in Fig. 1;
Fig. 3 is the assembling schematic diagram of check vavle device one embodiment.
Embodiment
In order to make object of the present invention, technological scheme and advantage clearly understand, below in conjunction with drawings and Examples, two-stage enthalpy increasing rotor-type 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. 3, two-stage enthalpy increasing rotor-type compressor one embodiment of the present invention comprises high pressure stage cylinder 14, low pressure stage cylinder 12, cover plate assembly 6, lower flange 11 and lower cover plate 8, high pressure stage cylinder 14, cover plate assembly 6, low pressure stage cylinder 12, lower flange 11 and lower cover plate 8 set gradually from top to bottom, low pressure stage cylinder 12 is as one stage of compression cylinder, and high pressure stage cylinder 14 is as two-stage compression cylinder; Two-stage enthalpy increasing rotor-type compressor also comprises cover assembly 1, housing 2, motor, bent axle 5, upper flange 15, lower cover 9, gas-liquid separator 16 and increases enthalpy assembly 7, and wherein, motor comprises rotor 3 and motor stator 4.
Cover plate assembly 6 inside forms the first intermediate cavity 13, and wherein, cover plate assembly 6 comprises cover plate 61 and middle flange 62, and cover plate 61 is placed in the top of flange 62, and cover plate 61 and middle flange 62 form the first intermediate cavity 13.
Lower flange 11 and lower cover plate 8 form the second intermediate cavity 10, first intermediate cavity 13 is connected with the second intermediate cavity 10, the first intermediate cavity 13 and the second intermediate cavity 10 by being successively set on cover plate assembly 6, low pressure stage cylinder 12 is connected with the center-aisle 21 on lower flange 11.
First intermediate cavity 13 has first row gas port 17 and the first gas supplementing opening 18, second intermediate cavity 10 has second exhaust port 19 and the second gas supplementing opening 20, low pressure stage cylinder 12 has double-exhaust port, two relief openings of low pressure stage cylinder 12 are respectively exhaust otch and lower exhaust otch, low pressure stage cylinder 12 is also arranged and increases enthalpy mouth, described increasing enthalpy mouth increases enthalpy assembly 7 for connecting;
First row gas port 17 is communicated with described upper exhaust otch, and second exhaust port 19 is communicated with described lower exhaust otch; First gas supplementing opening 18 and the second gas supplementing opening 20 are all communicated with described increasing enthalpy mouth, and the first intermediate cavity 13 is communicated with the intakeport of high pressure stage cylinder 14.
As a kind of embodiment, first row gas port 17, second exhaust port 19, first gas supplementing opening 18 and the second gas supplementing opening 20 place are provided with check vavle device, and described check vavle device is used for the one-way flow of refrigerant at first row gas port 17, second exhaust port 19, first gas supplementing opening 18 and the second gas supplementing opening 20 place.Preferably, described check vavle device comprises valve block backboard 22 and valve block 23, valve block backboard 22 is pressed on valve block 23, be described for the first gas supplementing opening 18 that described check vavle device is arranged on upper flange 15, as shown in Figure 3, when upper flange 15 internal pressure is less than its outside refrigerant pressure, valve block 23 is upwards opened by the pressure effect of refrigerant, now the first gas supplementing opening 18 conducting, refrigerant passes through from lower to upper at the first gas supplementing opening 18; When the refrigerant pressure of upper flange 15 inside is greater than the pressure of its outside, valve block 23 is closed, the first gas supplementing opening 18 not conducting.
Certainly, check vavle device is annular valve structure.Such as, check vavle device comprises circular valve block and seal ring, and circular valve block is elastic valve plate, and the body of circular valve block offers spiral-shaped orifices, and circular valve block is arranged on seal ring, and seal ring is embedded in above-mentioned relief opening and gas supplementing opening.The one-way flow that circular valve arrangement also can realize above-mentioned relief opening and gas supplementing opening is set.
As a kind of embodiment, center-aisle 21 place is also provided with check vavle device, for the one-way flow of refrigerant at center-aisle 21.
The two-stage enthalpy increasing rotor-type compressor working procedure of above-described embodiment is as follows:
As shown in Figure 1, low-pressure gas a enters low pressure stage cylinder 12 by gas-liquid separator 16, and after completing one stage of compression, one-level exhaust b divides two-way to discharge low pressure stage cylinder 12, wherein a road enters the first intermediate cavity 13 through first row gas port 17, and another road enters the second intermediate cavity 10 through second exhaust port 19; Medium pressure gas c from refrigeration system passes through to increase the increasing enthalpy mouth that enthalpy assembly 7 enters low pressure stage cylinder 12, the medium pressure gas c entered after increasing enthalpy mouth is also divided into two-way, first gas supplementing opening 18 of wherein leading up to enters the first intermediate cavity 13, another road enters the second intermediate cavity 10 through the second gas supplementing opening 20, enters medium pressure gas c in the first intermediate cavity 13 and low pressure stage and is vented b and is mixed to form mixed gas d; Enter medium pressure gas c also low pressure stage exhaust b mixing also other d of formation mixing in the second intermediate cavity 10.Mixed gas d in second intermediate cavity 10 enters the first intermediate cavity 13 through center-aisle 21, enters high pressure stage cylinder 14 together with the mixed gas in the first intermediate cavity 13 by high pressure stage suction port; After completing two-stage compression, high pressure gas e discharges compressor, enters refrigeration system.
The invention still further relates to a kind of air conditioner, comprise the described two-stage enthalpy increasing rotor-type compressor of above-mentioned arbitrary technological scheme.Because air conditioner is prior art except two-stage enthalpy increasing rotor-type compressor, repeat no longer one by one herein.
Two-stage enthalpy increasing rotor-type compressor of the present invention and air conditioner, arrange the first intermediate cavity and the second intermediate cavity, both increased intermediate cavity volume, can effectively suppress intermediate cavity pressure surge again, improves tonifying Qi efficiency; Second intermediate cavity inner refrigerant flows into high pressure stage air cylinder by the first intermediate cavity, and the first intermediate cavity and the second intermediate cavity form bicavate expansion noise elimination structure, effectively reduces the noise of low pressure stage exhaust, high pressure stage air-breathing; Low pressure stage cylinder has double-exhaust structure, effectively solves the problem that one-level exhaust is not smooth, reduces one stage of compression power; Check vavle device is set, ensure that two abundant tonifying Qi of intermediate cavity, and two intermediate cavity mixed gass can be prevented by air supply passage crossfire.
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 (8)
1. a two-stage enthalpy increasing rotor-type compressor, is characterized in that:
Comprise high pressure stage cylinder, low pressure stage cylinder, cover plate assembly, lower flange and lower cover plate, described high pressure stage cylinder, described cover plate assembly, described low pressure stage cylinder, described lower flange and described lower cover plate set gradually from top to bottom, described low pressure stage cylinder is as one stage of compression cylinder, and described high pressure stage cylinder is as two-stage compression cylinder, described cover plate component internal forms the first intermediate cavity, described lower flange and described lower cover plate form the second intermediate cavity, described first intermediate cavity is connected with described second intermediate cavity, described first intermediate cavity has first row gas port and the first gas supplementing opening, described second intermediate cavity has second exhaust port and the second gas supplementing opening, described low pressure stage cylinder has double-exhaust port, be respectively exhaust otch and lower exhaust otch, described low pressure stage cylinder is also provided with and increases enthalpy mouth, described first row gas port is communicated with described upper exhaust otch, described second exhaust port is communicated with described lower exhaust otch, described first gas supplementing opening and the second gas supplementing opening are all communicated with described increasing enthalpy mouth, described first intermediate cavity is communicated with the intakeport of described high pressure stage cylinder.
2. two-stage enthalpy increasing rotor-type compressor according to claim 1, is characterized in that:
Described first intermediate cavity and described second intermediate cavity by being successively set on described cover plate assembly, described low pressure stage cylinder is connected with the center-aisle on described lower flange.
3. two-stage enthalpy increasing rotor-type compressor according to claim 2, is characterized in that:
Described first row gas port, described second exhaust port, described first gas supplementing opening and described second gas supplementing opening place are provided with check vavle device, and described check vavle device is used for the one-way flow of refrigerant at described first row gas port, described second exhaust port, described first gas supplementing opening and described second gas supplementing opening place.
4. two-stage enthalpy increasing rotor-type compressor according to claim 3, is characterized in that:
Described check vavle device comprises valve block backboard and valve block, and described valve block backboard is pressed on described valve block.
5. two-stage enthalpy increasing rotor-type compressor according to claim 3, it is specially:
Described check vavle device is annular valve structure.
6. the two-stage enthalpy increasing rotor-type compressor according to any one of claim 2-5, is characterized in that:
Described center-aisle place is also provided with check vavle device, for the one-way flow of refrigerant at described center-aisle.
7. the two-stage enthalpy increasing rotor-type compressor according to any one of claim 1-5, is characterized in that:
Described cover plate assembly comprises cover plate and middle flange, and described cover plate is placed in the top of described flange, and described cover plate and described middle flange form described first intermediate cavity.
8. an air conditioner, is characterized in that:
Comprise the two-stage enthalpy increasing rotor-type compressor described in any one of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410298768.1A CN104632626B (en) | 2014-06-27 | 2014-06-27 | Two-stage enthalpy increasing rotor-type compressor and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410298768.1A CN104632626B (en) | 2014-06-27 | 2014-06-27 | Two-stage enthalpy increasing rotor-type compressor and air conditioner |
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| CN104632626A true CN104632626A (en) | 2015-05-20 |
| CN104632626B CN104632626B (en) | 2018-02-16 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508246A (en) * | 2016-01-13 | 2016-04-20 | 珠海格力节能环保制冷技术研究中心有限公司 | Rolling rotor type twin-stage compressor |
| CN106438374A (en) * | 2016-11-04 | 2017-02-22 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and air conditioner with same |
| 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 |
| CN109488595A (en) * | 2018-12-12 | 2019-03-19 | 珠海格力节能环保制冷技术研究中心有限公司 | 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 |
| CN110185621A (en) * | 2019-05-20 | 2019-08-30 | 珠海凌达压缩机有限公司 | Compressor and air conditioning unit |
| CN110617221A (en) * | 2019-10-21 | 2019-12-27 | 西安交通大学 | Horizontal two-stage rotary compressor for electric automobile air conditioner and working method |
| WO2024087895A1 (en) * | 2022-10-25 | 2024-05-02 | 珠海格力电器股份有限公司 | Two-stage screw compressor and air conditioning unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105508246A (en) * | 2016-01-13 | 2016-04-20 | 珠海格力节能环保制冷技术研究中心有限公司 | Rolling rotor type twin-stage compressor |
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| CN110185621A (en) * | 2019-05-20 | 2019-08-30 | 珠海凌达压缩机有限公司 | Compressor and air conditioning unit |
| 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 |
| CN110617221A (en) * | 2019-10-21 | 2019-12-27 | 西安交通大学 | Horizontal two-stage rotary compressor for electric automobile air conditioner and working method |
| CN110617221B (en) * | 2019-10-21 | 2024-05-07 | 西安交通大学 | Horizontal two-stage rotary compressor for electric automobile air conditioner and working method |
| WO2024087895A1 (en) * | 2022-10-25 | 2024-05-02 | 珠海格力电器股份有限公司 | Two-stage screw compressor and air conditioning unit |
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| Publication number | Publication date |
|---|---|
| CN104632626B (en) | 2018-02-16 |
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