CN108087238A - Compressor and with its air-conditioning system - Google Patents
Compressor and with its air-conditioning system Download PDFInfo
- Publication number
- CN108087238A CN108087238A CN201711071346.0A CN201711071346A CN108087238A CN 108087238 A CN108087238 A CN 108087238A CN 201711071346 A CN201711071346 A CN 201711071346A CN 108087238 A CN108087238 A CN 108087238A
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- compression cylinder
- compressor
- air
- tonifying
- pressure
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 30
- 230000006835 compression Effects 0.000 claims abstract description 72
- 238000007906 compression Methods 0.000 claims abstract description 72
- 239000003507 refrigerant Substances 0.000 claims abstract description 19
- 230000008676 import Effects 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000008141 laxative Substances 0.000 description 1
- 230000002475 laxative effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/122—Cylinder block
-
- 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
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/10—Compression machines, plants or systems with non-reversible cycle with multi-stage compression
-
- 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
-
- 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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/07—Details of compressors or related parts
- F25B2400/074—Details of compressors or related parts with multiple cylinders
Abstract
The present invention provides a kind of compressor and with its air-conditioning system, wherein, compressor includes including housing, pump assembly and increasing enthalpy component, pump assembly：First order compression cylinder and second level compression cylinder, are arranged in housing；Intermediate cavity is arranged in housing, and the refrigerant flowed out from first order compression cylinder is entered to after intermediate cavity in the compression cylinder of the second level, and intermediate cavity has the tonifying Qi inflow entrance with increasing enthalpy members；Wherein, the swept volume V1 of the first order compression cylinder and swept volume V2 of second level compression cylinder meets following relation：The value range of V2/V1 is 0.56 0.75.It is serious that technical scheme efficiently solves air conditioner refrigerating amount attenuation in outdoor high temperature in the prior art, it is difficult to meet indoor refrigeration capacity requirement, comfort difference problem.
Description
Technical field
The present invention relates to field of air conditioning, in particular to a kind of compressor and with its air-conditioning system.
Background technology
With the rise of outdoor environment temperature, indoor refrigeration capacity requirement increases, but air conditioner refrigerating amount increases with outdoor temperature
Add and reduce.This is because environment temperature, which raises, causes the rise of air conditioner condensation temperature, and then Compressor Discharge Pressure is caused to raise,
Compressor operating pressure differential increases, and volumetric efficiency reduces, refrigerant circulation flow-reduction.Since discharge superheat increases, liquid
Supercooling temperature raises, small so as to cause evaporator entrance refrigerant enthalpy subtractive, reduces further air conditioner refrigerating amount.
In the torrid zone and desert area (such as Middle East), outdoor environment temperature reaches as high as 50 DEG C or more, and the system of air-conditioning
Cooling metering is serious, it is difficult to meet indoor refrigeration demand；On the other hand, since pressure at expulsion is higher, compressor longtime running exists
Under High Pressure Difference, the operating mode of high row's temperature, compressor operating load is big, and faster, the service life is shorter for abrasion.
The content of the invention
The present invention is intended to provide a kind of compressor and with its air-conditioning system, with solve in the prior art air conditioner in room
Refrigerating amount attenuation is serious during outer high temperature, it is difficult to meet indoor refrigeration capacity requirement, comfort difference problem.
To achieve these goals, according to an aspect of the invention, there is provided a kind of compressor, including housing, the pump housing
Component and increasing enthalpy component, pump assembly include：First order compression cylinder and second level compression cylinder, are arranged in housing；
Intermediate cavity is arranged in housing, and the refrigerant flowed out from first order compression cylinder enters to second level compressed gas after intermediate cavity
In cylinder, intermediate cavity has the tonifying Qi inflow entrance with increasing enthalpy members；Wherein, the swept volume V1 of first order compression cylinder and
The swept volume V2 of two-stage compression cylinder meets following relation：The value range of V2/V1 is 0.56-0.75.
Further, the swept volume V1 of first order compression cylinder and the swept volume V2 of second level compression cylinder are further
Meet following relation：The value range of V2/V1 is 0.64-0.68.
Further, the equivalent diameter D1 of the air inlet of the equivalent diameter Dm and first order compression cylinder of tonifying Qi inflow entrance
Ratio is λ, and λ value ranges are 0.3-0.7.
Further, tonifying Qi valve block and valve block baffle are provided at tonifying Qi inflow entrance.
Further, intermediate cavity also has the air entry connected with the exhaust outlet of first order compression cylinder and and the second level
The exhaust outlet of the air entry connection of compression cylinder.
Further, second level compression cylinder is located at the top of first order compression cylinder, the lower section of first order compression cylinder
Flange arrangement is provided with, intermediate cavity is formed in flange arrangement.
According to another aspect of the present invention, a kind of air-conditioning system is provided, including compressor, compressor is above-mentioned compression
Machine.
Further, air-conditioning system further includes the air inlet of evaporator, condenser and flash vessel, evaporator and compressor
The exhaust outlet of connection, condenser and compressor connects, and the import of flash vessel is connected with condenser, the first outlet of flash vessel and steaming
Send out device connection, the increasing enthalpy component of the second outlet of flash vessel and compressor connects, the second outlet and increasing enthalpy component of flash vessel it
Between be provided with pressure-relief valve.
Further, there is Opening pressure P1, Opening pressure P1 to be more than the admission pressure Ps of compressor and be less than for pressure-relief valve
The pressure at expulsion Pd of compressor, the value range of Opening pressure P1 are
Further, the value range of Opening pressure P1 is
Further, be provided between condenser and flash vessel first throttling device and/or, flash vessel and evaporator it
Between be provided with second throttling device.
It applies the technical scheme of the present invention, compressor is provided with increasing enthalpy component and intermediate cavity, and intermediate cavity has and increasing enthalpy portion
The tonifying Qi inflow entrance of part connection.Therefore, the compressor of the present embodiment can open Gas-supplying enthalpy-increasing after outdoor temperature reaches predetermined value.
In Gas-supplying enthalpy-increasing, the refrigerant of intermediate cavity is flowed into being flowed out from first order compression cylinder from increasing enthalpy component through tonifying Qi inflow entrance
Refrigerant mixing after be sucked into second level compression cylinder.By above process refrigerating capacity significantly greater than with conventional pressure
The refrigeration system of contracting machine improves air-conditioning system refrigerating capacity at high temperature and comfort.Meanwhile the present embodiment selection first
The ratio between the swept volume V1 and the swept volume V2 of second level compression cylinder of grade compression cylinder V2/V1 is 0.56-0.75, Neng Goutong
When meet not tonifying Qi pattern under and tonifying Qi pattern under compressor performance it is more excellent.
Description of the drawings
The accompanying drawings which form a part of this application are used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its explanation do not constitute improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 shows the schematic cross-sectional view of the embodiment of compressor according to the present invention；
Fig. 2 shows enlarged drawing at the A of the compressor of Fig. 1；
Fig. 3 shows the structure diagram of the intermediate cavity of the compressor of Fig. 1；
Fig. 4 shows the schematic cross-sectional view of the embodiment of air conditioner according to the present invention；
Fig. 5 shows schematic diagram of the air-conditioning system of the compressor of application drawing 1 compared with conventional compact running effect；
Fig. 6 shows that the swept volume of the compressor of Fig. 1 compares the schematic diagram that performance influences under two kinds of operational modes；And
Fig. 7 shows the schematic diagram that the tonifying Qi inflow entrance Parameters on Compressive machine performance of the compressor of Fig. 1 influences.
Wherein, above-mentioned attached drawing is marked including the following drawings：
10th, housing；20th, first order compression cylinder；30th, second level compression cylinder；40th, intermediate cavity；41st, tonifying Qi inflow entrance；
42nd, tonifying Qi valve block；43rd, valve block baffle；44th, air entry；45th, exhaust outlet；50th, flange arrangement；61st, evaporator；62nd, condenser；
63rd, flash vessel；64th, pressure-relief valve；65th, first throttling device；66th, second throttling device；70th, increasing enthalpy component；100th, compressor.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment is illustrative, is never used as to the present invention and its application or makes
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower all other embodiments obtained, belong to the scope of protection of the invention.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " bag
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
Unless specifically stated otherwise, the component and positioned opposite, the digital table of step otherwise illustrated in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to be drawn according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, the technology, method and apparatus should be considered as authorizing explanation
A part for book.In shown here and discussion all examples, any occurrence should be construed as merely illustrative, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should be noted that：Similar label
Similar terms is represented in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It need not be further discussed in figure.
The problem of for being mentioned in background technology, the present invention provides a kind of two-stage enthalpy increasing rotary compressor, especially suitable
In Middle East air-conditioning, the cold attenuation problem of outdoor high temperature Space-Time Modulation can be solved and promote compressor reliability, realized
Rotary compressor is run reliably and with long-term in high temperature area.
As shown in Figure 1 to Figure 3, the compressor of the present embodiment includes housing 10, pump assembly and increasing enthalpy component 70, the pump housing
Component includes：First order compression cylinder 20, second level compression cylinder 30 and intermediate cavity 40.First order compression cylinder 20 and second
Grade compression cylinder 30 is arranged in housing 10.Intermediate cavity 40 is arranged in housing 10, is flowed out from first order compression cylinder 20
Refrigerant is entered to after intermediate cavity 40 in second level compression cylinder 30, and intermediate cavity 40 has the tonifying Qi connected with increasing enthalpy component 70
Inflow entrance 41.Wherein, the swept volume V1 of first order compression cylinder 20 and the swept volume V2 of second level compression cylinder 30 meet
Following relation：
The value range of V2/V1 is 0.56-0.75.
Using the technical solution of the present embodiment, compressor is provided with increasing enthalpy component 70 and intermediate cavity 40, and intermediate cavity 40 has
The tonifying Qi inflow entrance 41 connected with increasing enthalpy component 70.Therefore, the compressor of the present embodiment meeting after outdoor temperature reaches predetermined value
Open Gas-supplying enthalpy-increasing.In Gas-supplying enthalpy-increasing, from increasing enthalpy component 70 through tonifying Qi inflow entrance 41 flow into the refrigerant of intermediate cavity with from
Second level compression cylinder 30 is sucked into after the refrigerant mixing that first order compression cylinder 20 flows out.By above process system
Cold significantly greater than with the refrigeration system of Conventional press, improve the refrigerating capacity of air-conditioning system at high temperature with it is comfortable
Property.Meanwhile the swept volume of the swept volume V1 and second level compression cylinder 30 of the present embodiment selection first order compression cylinder 20
The ratio between V2 V2/V1 are 0.56-0.75, can be met simultaneously more excellent with the performance of compressor under tonifying Qi pattern under not tonifying Qi pattern.
Fig. 5 shows schematic diagram of the air-conditioning system of the compressor of application drawing 1 compared with conventional compact running effect.
Dotted line in figure represents the operational effect of conventional unit compressibility, and the solid line in figure represents the air-conditioning of the compressor of application drawing 1
The operational effect of system.From figure 5 it can be seen that the air-conditioning system of the compressor using the present embodiment, when outdoor temperature does not reach
During to T043 DEG C, in tonifying Qi state is closed, after outdoor temperature reaches T043 DEG C, Gas-supplying enthalpy-increasing is opened, refrigerating capacity is significantly higher than
Using the refrigeration system of Conventional press, air-conditioning refrigerating capacity at high temperature and comfort are improved.
Fig. 6 shows that the swept volume of the compressor of Fig. 1 compares the schematic diagram that performance influences under two kinds of operational modes.In figure
The curve being located above is out the performance curve under tonifying Qi pattern, and underlying curve is the performance closed under tonifying Qi pattern in figure
Curve.It closes under tonifying Qi pattern, volumetric ratio is excessive or too small, influences the harmony of two-stage cylinder compression ratio, so as to influence whole effect
Rate；When opening tonifying Qi, volumetric ratio is excessive, and increased compression horsepower is excessive when air compensation increases, and COP Energy Efficiency Ratio reduces, and volume
Than too small, refrigerating capacity lifting capacity is too small caused by tonifying Qi, and COP Energy Efficiency Ratio can also reduce.As can be seen from the figure：The present embodiment selects
The ratio between the swept volume V1 of first order compression cylinder 20 and the swept volume V2 of second level compression cylinder 30 V2/V1 are selected as 0.56-
0.75, it is more excellent compressor performance under both of which can be met simultaneously.The compressor of the present embodiment, which can improve, closes tonifying Qi condition
Under compression mechanism cold efficiency, and realize out the optimal efficiency under the conditions of tonifying Qi.
It is further preferred that the swept volume of the swept volume V1 of first order compression cylinder 20 and second level compression cylinder 30
V2 further meets following relation：The value range of V2/V1 is 0.64-0.68.Compressor performance is optimal at this time.
As shown in Fig. 2, in the present embodiment, the equivalent diameter Dm of tonifying Qi inflow entrance 41 and first order compression cylinder 20 into
The ratio of the equivalent diameter D1 of gas port is λ, and λ value ranges are 0.3-0.7.Compressor performance is more excellent at this time.If this is because,
λ is too small, and tonifying Qi flow resistance quickly increases, and λ is excessive, and tonifying Qi flows over slowly, then tonifying Qi heat loss is excessive, influences tonifying Qi matter
Amount.Fig. 7 shows the schematic diagram that the tonifying Qi inflow entrance Parameters on Compressive machine performance of the compressor of Fig. 1 influences.It can also from figure
Find out, compressor performance is more excellent when λ value ranges are 0.3-0.7.
As shown in figure 3, in the present embodiment, tonifying Qi valve block 42 and valve block baffle 43 are provided at tonifying Qi inflow entrance 41.It mends
Air valve plate 42 and valve block baffle 43 determine the unlocking condition of tonifying Qi inflow entrance 41, the refrigerant pressure at tonifying Qi inflow entrance 41
The tonifying Qi inflow entrance 41 can just be opened during more than predetermined value.
As shown in figure 3, in the present embodiment, intermediate cavity 40 also has what is connected with the exhaust outlet of first order compression cylinder 20
Air entry 44 and the exhaust outlet 45 connected with the air entry of second level compression cylinder 30.Valve block is also equipped at air entry 44.
Air entry 44, exhaust outlet 45 and tonifying Qi inflow entrance 41 are arranged on the outer wall of intermediate cavity, and in the same plane.
As shown in Figure 1, second level compression cylinder 30 is located at the top of first order compression cylinder 20, first order compression cylinder 20
Lower section be provided with flange arrangement 50, intermediate cavity 40 is formed in flange arrangement 50.Above-mentioned flange arrangement 50 be lower flange, laxative remedy
Orchid is recessed intermediate cavity 40.
The air entry of connection second level compression cylinder 30 and the row of intermediate cavity 40 are additionally provided on first order compression cylinder 20
The flow channels of gas port 45 and the flow channels of connection increasing enthalpy component 70 and tonifying Qi inflow entrance 41.
The compressor of the present embodiment further includes dispenser, motor, bent axle, flange, cover board, partition plate and refrigeration oil, these
Structure is with essentially identical in the prior art, and details are not described herein.
The present invention also provides a kind of air-conditioning system, as shown in figure 4, air-conditioning system according to the present invention includes compressor,
Compressor is above-mentioned compressor.Due to using above-mentioned compressor, the refrigerating capacity of air-conditioning system at high temperature is improved with relaxing
Adaptive.Meanwhile, it is capable to meet simultaneously more excellent with the performance of compressor under tonifying Qi pattern under not tonifying Qi pattern.
As shown in figure 4, in the present embodiment, air-conditioning system further includes evaporator 61, condenser 62 and flash vessel 63, steam
Hair device 61 is connected with the air inlet of compressor 100, and condenser 62 is connected with the exhaust outlet of compressor 100, the import of flash vessel 63
It is connected with condenser 62, the first outlet (gas vent) of flash vessel 63 is connected with evaporator 61, the second outlet of flash vessel 63
It is connected with the increasing enthalpy component 70 of compressor, is provided with and unloads between the second outlet (liquid outlet) and increasing enthalpy component 70 of flash vessel 63
Pressure valve 64.The air-conditioning system of the present embodiment can be by pressure-relief valve 64 according to operating pressure automatic transfer switch tonifying Qi.
Pressure-relief valve 64 has Opening pressure P1, and when operating pressure is more than P1, pressure-relief valve 64 is opened；When operating pressure is less than
P1, pressure-relief valve 64 are closed.Opening pressure P1 is more than the admission pressure Ps of compressor and less than the pressure at expulsion Pd of compressor, opens
The value range of pressure P1 isThe energy of compressor operating when Opening pressure P1 meets above-mentioned condition
Effect is optimal.
It is further preferred that the value range of Opening pressure P1 is
As shown in figure 4, first throttling device 65 is provided between condenser 62 and flash vessel 63, flash vessel 63 and evaporator
Second throttling device 66 is provided between 61.
With reference to figure 1 and Fig. 4, the refrigerant flow process of the air-conditioning system of the present embodiment is as follows：
Compressor 100 sucks the low-temperature low-pressure refrigerant (referring to the label 1 in Fig. 1) flowed out from evaporator 61, through first
Grade compression cylinder 20 is expelled to intermediate cavity 40 (referring to the label 2 in Fig. 1) after compressing, and second level compression cylinder 30 is from intermediate cavity 40
Air-breathing is discharged the pump housing (referring to the label 5 in Fig. 1) after compressing refrigerant to high temperature and pressure, is arranged after flowing through motor by compressor
Tracheae is discharged (referring to the label 6 in Fig. 1), and high temperature and high pressure gaseous refrigerant is by forming high-pressure liquid system after 62 heat release of condenser
Cryogen becomes the middle compression refrigerant of gas-liquid two-phase through first throttling device 65, after 63 gas-liquid separation of flash vessel, middle pressure gaseous refrigerant
Agent is inhaled into the after flowing into intermediate cavity (referring to the label 3 in Fig. 1) and the exhaust mixing of first order compression cylinder 20 through pressure-relief valve 64
Two-stage compression cylinder (referring to the label 4 in Fig. 1), and middle compression refrigerant enters evaporator after the throttling of second throttling device 66
61, become the dispenser that low-temp low-pressure gaseous refrigerant enters compressor 100 after heat absorption.
It can be seen from the above description that the above embodiments of the present invention realize following technique effect：
1st, the present invention proposes a kind of two-stage enthalpy increasing rotary compressor and air conditioner circulating system, both can guarantee air-conditioning normal
The higher energy efficiency under cooling condition is advised, and can realize and promote refrigerating capacity output in a high temperauture environment, especially in weathers such as the Middle East
Hot area has energy saving comfortable significant advantage；
It 2nd, can be according to outdoor temperature the present invention provides a kind of switching device for controlling Dual-level enthalpy adding compressor switch tonifying Qi
Automatic transfer switch tonifying Qi has the characteristics that at low cost, switching is reliable；
3rd, a kind of two-stage enthalpy increasing rotary compressor of the present invention, it is proposed that optimal volumetric ratio (hiigh pressure stage displacement
With the ratio of low-pressure stage displacement) scope, can improve close tonifying Qi under the conditions of compressor indicated efficiency and
Open the optimal efficiency under the conditions of tonifying Qi.
In the description of the present invention, it is to be understood that the noun of locality such as " forward and backward, upper and lower, left and right ", " laterally, vertical,
Vertically, orientation or position relationship indicated by level " and " top, bottom " etc. are normally based on orientation or position shown in the drawings and close
System is for only for ease of the description present invention and simplifies description, and in the case where not making explanation on the contrary, these nouns of locality do not indicate that
There must be specific orientation with the device or element for implying meaning or with specific azimuth configuration and operation, therefore cannot manage
It solves as limiting the scope of the invention；The noun of locality " inside and outside " refers to compared with inside and outside each component profile in itself.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be appreciated that spatially relative term is intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.For example, if the device in attached drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
Furthermore, it is necessary to explanation, limits parts, it is only for be convenient for using the words such as " first ", " second "
Corresponding parts are distinguished, such as without Stated otherwise, above-mentioned word is there is no particular meaning, therefore it is not intended that this
The limitation of invention protection domain.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (11)
1. a kind of compressor, which is characterized in that including housing (10), pump assembly and increasing enthalpy component (70), the pump housing group
Part includes：
First order compression cylinder (20) and second level compression cylinder (30) are arranged in the housing (10)；
Intermediate cavity (40) is arranged in the housing (10), and the refrigerant flowed out from the first order compression cylinder (20) is through institute
It is entered to after stating intermediate cavity (40) in the second level compression cylinder (30), the intermediate cavity (40) has and the increasing enthalpy component
(70) the tonifying Qi inflow entrance (41) of connection；
Wherein, the swept volume V1 of the first order compression cylinder (20) and the swept volume of the second level compression cylinder (30)
V2 meets following relation：
The value range of V2/V1 is 0.56-0.75.
2. compressor according to claim 1, which is characterized in that the swept volume V1 of the first order compression cylinder (20)
Further meet following relation with the swept volume V2 of the second level compression cylinder (30)：
The value range of V2/V1 is 0.64-0.68.
3. compressor according to claim 1, which is characterized in that the equivalent diameter Dm of the tonifying Qi inflow entrance (41) and institute
The ratio of the equivalent diameter D1 of the air inlet of first order compression cylinder (20) is stated as λ, λ value ranges are 0.3-0.7.
4. compressor according to claim 1, which is characterized in that be provided with tonifying Qi valve block at the tonifying Qi inflow entrance (41)
(42) and valve block baffle (43).
5. compressor according to claim 1, which is characterized in that the intermediate cavity (40) also has and the first order pressure
It the air entry (44) of the exhaust outlet connection of contracting cylinder (20) and connects with the air entry of the second level compression cylinder (30)
Exhaust outlet (45).
6. compressor according to claim 1, which is characterized in that the second level compression cylinder (30) is located at described first
The top of grade compression cylinder (20) is provided with flange arrangement (50), the centre below the first order compression cylinder (20)
Chamber (40) is formed in the flange arrangement (50).
7. a kind of air-conditioning system, including compressor, which is characterized in that the compressor is any one of claim 1 to 6
Compressor.
8. air-conditioning system according to claim 7, which is characterized in that the air-conditioning system further includes evaporator (61), cold
Condenser (62) and flash vessel (63), the evaporator (61) are connected with the air inlet of the compressor, the condenser (62)
It is connected with the exhaust outlet of the compressor, the import of the flash vessel (63) is connected with the condenser (62), the flash vessel
(63) first outlet is connected with the evaporator (61), the second outlet of the flash vessel (63) and the increasing enthalpy of the compressor
Component (70) connects, and pressure-relief valve (64) is provided between the second outlet of the flash vessel (63) and the increasing enthalpy component (70).
9. air-conditioning system according to claim 8, which is characterized in that the pressure-relief valve (64) has Opening pressure P1, institute
It states admission pressure Pss of the Opening pressure P1 more than the compressor and the pressure at expulsion Pd less than the compressor, described open is pressed
The value range of power P1 is
10. air-conditioning system according to claim 9, which is characterized in that the value range of the Opening pressure P1 is
11. air-conditioning system according to claim 8, which is characterized in that the condenser (62) and the flash vessel (63)
Between be provided with first throttling device (65) and/or, be provided with second between the flash vessel (63) and the evaporator (61)
Throttling set (66).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711071346.0A CN108087238B (en) | 2017-11-03 | 2017-11-03 | Compressor and air conditioning system with same |
| PCT/CN2018/091619 WO2019085501A1 (en) | 2017-11-03 | 2018-06-15 | Compressor and an air-conditioning system having same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711071346.0A CN108087238B (en) | 2017-11-03 | 2017-11-03 | Compressor and air conditioning system with same |
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| CN108087238A true CN108087238A (en) | 2018-05-29 |
| CN108087238B CN108087238B (en) | 2024-04-02 |
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| CN201711071346.0A Active CN108087238B (en) | 2017-11-03 | 2017-11-03 | Compressor and air conditioning system with same |
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| CN (1) | CN108087238B (en) |
| WO (1) | WO2019085501A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019085501A1 (en) * | 2017-11-03 | 2019-05-09 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and an air-conditioning system having same |
| CN110206733A (en) * | 2019-07-09 | 2019-09-06 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of more air supply compressors of Two-stage Compression and air conditioner |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108087238B (en) | 2024-04-02 |
| WO2019085501A1 (en) | 2019-05-09 |
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