CN105004103A - Single-cylinder rolling rotor compressor with middle air replenishing structure - Google Patents
Single-cylinder rolling rotor compressor with middle air replenishing structure Download PDFInfo
- Publication number
- CN105004103A CN105004103A CN201510395040.5A CN201510395040A CN105004103A CN 105004103 A CN105004103 A CN 105004103A CN 201510395040 A CN201510395040 A CN 201510395040A CN 105004103 A CN105004103 A CN 105004103A
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- Prior art keywords
- air
- compressor
- injection
- cylinder
- check valve
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B31/00—Compressor arrangements
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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
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention discloses a single-cylinder rolling rotor compressor with a middle air replenishing structure. The compressor comprises an air cylinder, a rotor and a sliding plate, wherein an air suction port and an exhaust port are formed in the air cylinder; an exhaust valve block is arranged on the air exhaust outlet; the middle air replenishing structure comprises a refrigerant injection channel, an injection one-way valve and a lift limiter that are arranged in the sliding plate; the lift limiter is used for limiting the opening of the one-way valve; the injection one-way valve is mounted at an outlet of the refrigerant injection channel; an injection port is formed between the sliding plate and the air cylinder; the upper edge of the injection port is positioned in a connection line of intersection points between an air cylinder wall and a wall surface of a movement channel of the sliding plate; and the lower edge of the injection port is positioned at the upper end part of a circular part of the top end of the sliding plate. The traditional air replenishing structure has the defects that replenished air flows back to an air suction pipe due to the fact that the air suction port is directly communicated with an air replenishing port at the beginning of air replenishing, thereby reducing the effective air suction capacity of the compressor from an evaporator, and reducing the volumetric efficiency of the compressor. The novel air replenishing structure completely avoids the problem of replenished air backflow, effectively increases the air replenishing quantity, and improves the refrigeration and heating capacities of the compressor.
Description
Technical field
The present invention relates to a kind of single cylinder compressor with rolling rotor with second vapor injection structure, particularly relate to single cylinder compressor with rolling rotor, belong to Compressor Technology field.
Background technology
Compressor with rolling rotor has the advantages such as efficiency is high, flexible, light, and therefore it widely uses in fields such as small-sized household air-conditionings.Along with the continuous application of air source heat pump, compressor heating capacity at low temperatures and the coefficient of performance are had higher requirement.Current compressor with rolling rotor has series of problems at low temperatures: 1) compressor pressure ratio increase, leakage rate increase, and volumetric efficiency declines, and delivery temperature raises, and causes COP to decay seriously and compressor reliability reduction; 2) inspiratory capacity reduces, and circular flow is not enough, causes air-conditioning heating amount to reduce.
Second vapor injection mode has two kinds, and one is Two-stage Compression second vapor injection, i.e. tonifying Qi on two compressors in series intermediate connection tubes, and another kind of tonifying Qi mode carries out tonifying Qi in compressor compresses process, and now compressor carries jet, is called accurate two-stage compression form.The compressor with rolling rotor of accurate two-stage compression effectively can solve compressor problem such as excessive discharge temperature and heating capacity deficiency under worst cold case.Therefore, the second vapor injection technology of the compressor with rolling rotor of accurate two-stage compression, owing to can effectively improve heating capacity and COP, simultaneously effectively reduces delivery temperature, has become the important technology approach solving air source heat pump performance degradation under worst cold case.
At present, the gas supplementing opening of the compressor with rolling rotor of general accurate two-stage compression is opened near exhaust outlet, can ensure that air compensation is large as far as possible like this, but jet is opened the time will unavoidably having one section of gas supplementing opening and air entry to gang up in cylinder wall position, during this period of time, injection is entered suction muffler by the medium pressure gas ejected from gas supplementing opening, thus is back to air intake duct.Therefore, the volumetric efficiency of compressor has the reduction of certain amplitude.
Summary of the invention
The object of the invention is to propose a kind of single cylinder compressor with rolling rotor with second vapor injection structure, can avoid or avoid as far as possible accurate secondary compressor with rolling rotor in tonifying Qi process, middle compression refrigerant gas is injected into suction muffler, by second vapor injection structure, middle compression refrigerant gas effectively can be avoided to be injected into suction muffler, thus to improve the volumetric efficiency of compressor.
The present invention proposes following technical scheme:
With a single cylinder compressor with rolling rotor for second vapor injection structure, this compressor comprises cylinder, rotor and slide plate; Wherein cylinder is arranged air entry and exhaust outlet, exhaust outlet arranges exhaust valve plate; It is characterized in that: described second vapor injection structure comprises the refrigerant injection passage being arranged on slide plate inside, spraying check valve and the lift limiter for limiting check valve aperture; Described injection check valve is arranged on the exit of refrigerant injection passage, and lift limiter (5) is arranged on the top of spraying check valve, and injection check valve and lift limiter are all fixed on slide plate; Form jet between described slide plate and cylinder, along being positioned on the intersection point line of cylinder wall and skateboarding channel wall on this jet, lower edge is positioned at circular portion upper end, slide plate top.
Preferably, when rotor turns over the lower limb angle of air entry just, overlap along with edge on jet under jet.
The present invention compared with prior art, has the following advantages and high-lighting effect: 1. can effectively avoid accurate secondary compressor with rolling rotor in tonifying Qi process, middle compression refrigerant gas is injected into suction muffler; 2. the volumetric efficiency of compressor with rolling rotor is improved.
Accompanying drawing explanation
Fig. 1 is the compressor arrangement principle schematic of band injection structure provided by the invention.
Fig. 2 a is the skateboard schematic diagram of band injection structure of the present invention.
Fig. 2 b is the right view of Fig. 2 a.
Fig. 3 is that the injection structure that the present invention announces runs schematic diagram.
Fig. 4 is that the injection structure that the present invention announces runs schematic diagram.
Fig. 5 is that the injection structure that the present invention announces runs schematic diagram.
Fig. 6 is that the injection structure that the present invention announces runs schematic diagram.
Fig. 7 is that the injection structure that the present invention announces runs schematic diagram.
Fig. 8 is that the injection structure that the present invention announces runs schematic diagram.
Fig. 9 is maximum injection area theorem schematic diagram in the injection structure announced of the present invention.
In figure, each component names is: 1-air entry; 2-rotor; 3-slide plate; 4-refrigerant injection passage; 5-lift limiter; 6-sprays check valve; 7-jet; 8-cylinder; 9-exhaust valve plate; 10-exhaust outlet, edge under 11-jet.
Detailed description of the invention
Below in conjunction with accompanying drawing, principle assumption diagram of the present invention and the method for operation are described further.
Fig. 1 is the principle schematic of a kind of single cylinder compressor with rolling rotor with second vapor injection structure that the present invention announces, and this compressor comprises cylinder 8, rotor 2 and slide plate 3; Wherein cylinder is arranged air entry 1 and exhaust outlet 10, exhaust outlet 10 is arranged exhaust valve plate 9; Refrigerant injection passage 4 is set in slide plate inside, installs in injection channel exit and spray check valve 6, being provided with the lift limiter 5 for limiting check valve aperture on the top of check valve; Form jet 7 between described slide plate 3 and cylinder 8, jet is positioned at cylinder wall 8 with on the intersection point line of skateboarding channel wall along 11, and lower edge is positioned at the upper end of slide plate top circular portion.
In preferred situation, when rotor 3 turns over the lower limb angle of air entry 1 just, along just overlapping along 11 with on jet under jet.
Fig. 2 a and Fig. 2 b is Fig. 2 a is the skateboard schematic diagram being with injection structure, and second vapor injection structure comprises the refrigerant injection passage 4 being arranged on slide plate inside, sprays check valve 6 and the lift limiter 5 for limiting check valve aperture; Described injection check valve 6 is arranged on the exit of refrigerant injection passage, and lift limiter 5 is arranged on the top of spraying check valve 6, and injection check valve and lift limiter are all fixed on slide plate 3.When slide plate 3 is to when slipping down to certain position, jet 7 will communicate with compressor operating chamber, now spray check valve 6 and open, injection beginning, and when rotor 2 turns over certain angle, when the pressure of working chamber is equal with expulsion pressure, spray check valve 6 to rebound closedowns, spray end.
Operational mode of the present invention and the course of work as follows:
Compressor operating pattern (one)
From the process that rotor 2 turns from cylinder wall 8 top, before rotor turns over air entry 1, as shown in Figure 3, suction muffler gas fraction is back to air intake duct, and becomes large along with corner, and slide plate 3 moves down.But the jet 7 now on slide plate 3 does not contact with suction muffler, now projected area is 0, sprays check valve 6 and closes.Along with corner continues to increase, when rotor 2 forwards air entry 1 lower limb angle just to, as shown in Figure 4.Now compression chamber is formed, along just in time overlapping along 11 with on jet under jet, and injection beginning.Along with corner continues to increase, pressure increase in compression chamber, slide plate 3 continues slide downward, and the projected area of jet 7 also constantly increases, as shown in Figure 5.Along with corner continues to increase, compression cavity pressure constantly increases, and when rotor 2 forwards a certain position to, as shown in Figure 6, the projected area of jet 7 continues to increase, but compression cavity pressure is equal with expulsion pressure, and now spray closed check valve, course of injection terminates.When rotor 2 forwards 180 ° of positions to, now projected area reaches maximum, as shown in Figure 7, but be now greater than expulsion pressure owing to compressing cavity pressure, therefore spray closed check valve, afterwards along with corner continues to increase to the process of air entry 1 lower limb angle centrally line symmetry angle, slide plate 3 is upward sliding constantly, and projected area constantly reduces, and compression cavity pressure is greater than expulsion pressure, spray individual event valve 6 to close, as shown in Figure 8.And afterwards along with corner increases in the process of 360 °, projected area is 0, sprays check valve 6 and close.
Compressor operating pattern (two)
From the process that rotor 2 turns from cylinder wall 8 top, before rotor turns over air entry 1, as shown in Figure 3, suction muffler gas fraction is back to air intake duct, and becomes large along with corner, and slide plate 3 moves down.But the jet 7 now on slide plate 3 does not contact with suction muffler, now projected area is 0, sprays check valve 6 and closes.Along with corner continues to increase, as shown in Figure 9, when rotor 2 goes to a certain position between air entry lower edges angle, along just in time overlapping along 11 with on jet under jet, injection beginning.Along with corner continues to increase, pressure increase in compression chamber, slide plate 3 continues slide downward, and the projected area of jet 7 also constantly increases, as shown in Figure 5.Along with corner continues to increase, compression cavity pressure constantly increases, and when rotor 2 forwards a certain position to, as shown in Figure 6, the projected area of jet 7 continues to increase, but compression cavity pressure is equal with expulsion pressure, and now spray closed check valve, course of injection terminates.When rotor 2 forwards 180 ° of positions to, now projected area reaches maximum, as shown in Figure 7, but be now greater than expulsion pressure owing to compressing cavity pressure, therefore spray closed check valve, afterwards along with corner continues to increase to the process of air entry 1 lower limb angle centrally line symmetry angle, slide plate 3 is upward sliding constantly, and projected area constantly reduces, and compression cavity pressure is greater than expulsion pressure, spray individual event valve 6 to close, as shown in Figure 8.And afterwards along with corner increases in the process of 360 °, projected area is 0, sprays check valve 6 and close.
Claims (2)
1. the single cylinder compressor with rolling rotor with second vapor injection structure, this compressor comprises cylinder (8), rotor (2) and slide plate (3); Wherein cylinder is arranged air entry (1) and exhaust outlet (10), exhaust outlet (10) is arranged exhaust valve plate (9); It is characterized in that: described second vapor injection structure comprises the refrigerant injection passage (4) being arranged on slide plate inside, spraying check valve (6) and the lift limiter (5) for limiting check valve aperture; Described injection check valve (6) is arranged on the exit of refrigerant injection passage, and lift limiter (5) is arranged on the top of spraying check valve (6), and injection check valve and lift limiter are all fixed on slide plate; Jet (7) is formed between described slide plate (3) and cylinder (8), this jet is positioned at cylinder wall (8) with on the intersection point line of skateboarding channel wall along (11), and lower edge is positioned at circular portion upper end, slide plate top.
2. a kind of single cylinder compressor with rolling rotor with second vapor injection structure according to claim 1, it is characterized in that: when rotor (3) turns over the lower limb angle of air entry (1) just, overlap along (11) along with on jet under jet.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510395040.5A CN105004103A (en) | 2015-07-07 | 2015-07-07 | Single-cylinder rolling rotor compressor with middle air replenishing structure |
| CN201610073053.5A CN105673510B (en) | 2015-07-07 | 2016-02-02 | A kind of single cylinder compressor with rolling rotor with second vapor injection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510395040.5A CN105004103A (en) | 2015-07-07 | 2015-07-07 | Single-cylinder rolling rotor compressor with middle air replenishing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105004103A true CN105004103A (en) | 2015-10-28 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510395040.5A Pending CN105004103A (en) | 2015-07-07 | 2015-07-07 | Single-cylinder rolling rotor compressor with middle air replenishing structure |
| CN201610073053.5A Active CN105673510B (en) | 2015-07-07 | 2016-02-02 | A kind of single cylinder compressor with rolling rotor with second vapor injection structure |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610073053.5A Active CN105673510B (en) | 2015-07-07 | 2016-02-02 | A kind of single cylinder compressor with rolling rotor with second vapor injection structure |
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| Country | Link |
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| CN (2) | CN105004103A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107989793A (en) * | 2017-12-25 | 2018-05-04 | 珠海格力电器股份有限公司 | Cylinder assembly and compressor comprising same |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107542659A (en) * | 2016-06-26 | 2018-01-05 | 魏亮 | A kind of single rotor Gas-supplying enthalpy-increasing compressor |
| CN105971879B (en) * | 2016-06-29 | 2018-06-05 | 珠海凌达压缩机有限公司 | Rotor compressor and sliding vane assembly thereof |
| CN106014986B (en) * | 2016-07-08 | 2018-08-10 | 珠海凌达压缩机有限公司 | Rotary compressor and air conditioner |
| CN107131127A (en) * | 2017-06-20 | 2017-09-05 | 清华大学 | A kind of horizontal bar swing-rotor compressor with second vapor injection structure |
| CN108071590B (en) * | 2018-02-02 | 2021-02-12 | 广东美芝制冷设备有限公司 | Cylinder, compression mechanism and compressor |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6397895A (en) * | 1986-10-09 | 1988-04-28 | Daikin Ind Ltd | Helium compressor |
| JPH06173874A (en) * | 1992-12-11 | 1994-06-21 | Matsushita Electric Ind Co Ltd | Refriferating and freezing device |
| JPH09144680A (en) * | 1995-11-24 | 1997-06-03 | Hitachi Ltd | Rotary compressor, and refrigerator and refrigerating air-conditioning using the same |
| CN202579189U (en) * | 2011-11-17 | 2012-12-05 | 合肥凌达压缩机有限公司 | Rotary compressor with enhanced vapor injection function |
| CN103511259B (en) * | 2013-03-04 | 2015-12-02 | 广东美芝制冷设备有限公司 | Rotary compressor and air jet system thereof |
| CN103277313A (en) * | 2013-04-27 | 2013-09-04 | 陈璇 | Enthalpy-adding rotary compressor with movable jet orifice |
-
2015
- 2015-07-07 CN CN201510395040.5A patent/CN105004103A/en active Pending
-
2016
- 2016-02-02 CN CN201610073053.5A patent/CN105673510B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107989793A (en) * | 2017-12-25 | 2018-05-04 | 珠海格力电器股份有限公司 | Cylinder assembly and compressor comprising same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105673510B (en) | 2017-12-15 |
| CN105673510A (en) | 2016-06-15 |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Application publication date: 20151028 |