CN105485967B - Air conditioner and its compressor assembly - Google Patents
Air conditioner and its compressor assembly Download PDFInfo
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- CN105485967B CN105485967B CN201410483200.7A CN201410483200A CN105485967B CN 105485967 B CN105485967 B CN 105485967B CN 201410483200 A CN201410483200 A CN 201410483200A CN 105485967 B CN105485967 B CN 105485967B
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Abstract
The invention discloses a kind of air conditioner and its compressor assembly, the compressor assembly includes：Compressor and reservoir, compressor include housing, motor and compression mechanism, and motor and compression mechanism are each provided in housing, and motor is connected with compression mechanism；Reservoir is located at outside housing, and the outlet of reservoir, with being connected inside compression mechanism, the volume of reservoir is V, and V meets：Wherein, h0For the setting height(from bottom) of air conditioner in the room, v is the capacity of the refrigerant that uses for the compressor of R290.Compressor assembly according to embodiments of the present invention, it can ensure when R290 refrigeration systems meet that the limitation of the refrigerant charge of standard requirement requires, reservoir disclosure satisfy that the requirement of gas-liquid separation, from the situation without compressor compresses liquid refrigerant, improve the reliability of compressor assembly, and compressor developer can be helped rapidly and accurately to select suitable reservoir, improve the development efficiency of compressor.
Description
Technical field
The present invention relates to art of refrigeration units, more particularly, to a kind of air conditioner and its compressor assembly.
Background technology
As HCFC (hydrogen chlorofluorocarbon) such as R22 and HFC (hydrofluorocarbons) such as replacement system of R410A or R407C
Cryogen, carbon-hydrogen refrigerant R290 (propane) obtain the extensive concern of industry.However, when R290 is used for refrigeration system, there is one
Critically important problem is exactly that it has high flammable, restricted refrigeration system in chinese national standard GB4706.32-2012
The requirement of refrigerant charge.
Compared with traditional R410A and R22 refrigerants, the refrigerant charge of the R290 refrigeration systems of same capabilities is significantly
Reduce.On rotary compressor, the reservoir for gas liquid separating function can be generally installed.Freeze for R410A and R22
Agent, after the ability and refrigerant charge of refrigeration system determine, can rule of thumb data and empirical equation, conjunction is calculated
The volume size of suitable reservoir, so as to select suitable reservoir quickly, shortens the compressor construction cycle, and reduce pressure
At this time, cost is relatively low for contracting machine trial-production evaluation.
However, since the liquidus density and R410A, R22 of R290 are widely different, also, for the compressor of same displacement,
Change is very big relatively compared with R410A, R22 for refrigerating capacity during using R290 refrigerants, along with the refrigerant of refrigeration system
The restricted requirement of charging amount, therefore, it is impossible to the exploitation of R290 compressors be helped according to existing technology, so as to bring compression
The problem of machine construction cycle is grown, and R＆D costs are high, also, if reservoir selection is improper, may result in compressor appearance
The situation of compressed liquid refrigerant occurs, and the failure of compressor can be caused under extreme case.
The content of the invention
It is contemplated that at least solve one of technical problem existing in the prior art.For this reason, one object of the present invention
It is to propose a kind of compressor assembly for air conditioner, the selection of the reservoir of the compressor assembly for air conditioner is accurate
True property is high, so as to improve the development efficiency of the compressor assembly using R290 refrigerants.
It is another object of the present invention to propose a kind of air conditioner with above-mentioned compressor component.
The compressor assembly for air conditioner of embodiment according to a first aspect of the present invention, including：Compressor, the compression
Machine includes housing, motor and compression mechanism, and the motor and compression mechanism are each provided in the housing, the motor and the pressure
Contracting mechanism is connected；And reservoir, the reservoir are located at the hull outside, and the outlet of the reservoir and the compressor
Connection inside structure, the volume of the reservoir is V, wherein the V meets： Wherein, it is described
h0For the setting height(from bottom) of the air conditioner in the room, the v is the exhaust of the refrigerant that uses for the compressor of R290
Amount.
Compressor assembly for air conditioner according to embodiments of the present invention, it is ensured that when R290 refrigeration systems meet to mark
When the limitation of the refrigerant charge of alignment request requires, reservoir disclosure satisfy that the requirement of gas-liquid separation, so as to will not go out
The situation of existing compressor compresses liquid refrigerant, improves the reliability of compressor assembly.In addition, it can be helped using above-mentioned formula
Help compressor developer rapidly and accurately to select suitable reservoir, improve the development efficiency of compressor.
Further, the V further meets：
Further, the V further meets：
Alternatively, the h0For 0.6m, 1.0m, 1.8m or 2.2m.
Alternatively, the air conditioner is wall-mounted Split type air conditioner, the h0For 1.8m.
The air conditioner of embodiment according to a second aspect of the present invention, including the use of above-mentioned first aspect embodiment according to the present invention
In the compressor assembly of air conditioner.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Substantially and it is readily appreciated that, wherein：
Fig. 1 is the schematic diagram of the compressor assembly for air conditioner according to embodiments of the present invention；
Fig. 2 is the schematic diagram of compressor assembly in accordance with another embodiment of the present invention；
Fig. 3 is that the liquid refrigerant that different air conditioners according to embodiments of the present invention are collected with it accounts for air conditioner and always fills
Refrigerant ratio schematic diagram, wherein the refrigerant filled in each air conditioner is R290.
Reference numeral：
100：Compressor assembly；
1：Compressor；
2：Reservoir；21：Exhaust pipe.
Embodiment
The embodiment of the present invention is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or has the function of same or like element.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " top ", " bottom ", " interior ", " outer ", " axial direction ", " radial direction ", " circumferential direction " are based on attached
Orientation or position relationship shown in figure, are for only for ease of and describe the present invention and simplify description, rather than indicate or imply and is signified
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the present invention
Limitation.In the description of the present invention, unless otherwise indicated, " multiple " are meant that two or more.
In the description of the present invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
It to be to be connected directly, can also be indirectly connected by intermediary, can be the connection inside two elements.For this area
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Below with reference to Fig. 1-Fig. 3 descriptions compressor assembly 100 for air conditioner according to embodiments of the present invention.
As depicted in figs. 1 and 2, the compressor assembly 100 for air conditioner of embodiment according to a first aspect of the present invention, bag
Include compressor 1 and reservoir 2.Wherein, compressor 1 can be rotary compressor, but not limited to this.
Compressor 1 includes housing, motor and compression mechanism, and motor and compression mechanism are each provided in housing, motor and compression
Mechanism is connected, and when compressor 1 is run, the refrigerant such as R290 in compression chamber that can be to entering compression mechanism is pressed
Contracting.Reservoir 2 is located at hull outside, and the outlet of reservoir 2 inside compression mechanism with connecting.
Referring to Figures 1 and 2, reservoir 2 is fixed on the periphery wall of housing, that is to say, that reservoir 2 is relative to housing
Fixed, the entrance of reservoir 2 is suitable for being connected with the gas returning port of the refrigeration system of air conditioner, the outlet of reservoir 2 and pressure
The compression chamber connection of contracting mechanism, so that the refrigerant in refrigeration system can be entered in reservoir 2 by the entrance of reservoir 2
Portion, reservoir 2 can carry out gas-liquid separation to prevent liquid hammer to entering the refrigerant in it, and gaseous refrigerant is passed through storage
Send to being compressed inside compressor 1 outlet of liquid device 2.Wherein, reservoir 2 can be connected by an air outlet pipe 21 and compression chamber
It is logical, as shown in Figure 1；Certainly, reservoir 2 can also be connected by two air outlet pipes 21 with compression chamber, as shown in Figure 2.
The volume (i.e. the internal capacity of reservoir 2) of reservoir 2 is V, and wherein V meets：
Wherein, h0For the setting height(from bottom) of air conditioner in the room, v is the row of the refrigerant that uses for the compressor 1 of R290
Tolerance.Here, it is necessary to illustrate, when air conditioner is air conditioner integrated machine, h0For the installation of the air conditioner integrated machine in the room
Highly；When air conditioner is air-conditioning split air conditioner, air conditioner includes air conditioner room unit and air-conditioner outdoor unit, at this time h0For air-conditioning
The setting height(from bottom) of air conditioner indoor machine in the room.Wherein, the capacity v (units of compressor 1：cm3/ rev) be compression mechanism work
Fill in per revolution, the volume of the refrigerant of discharge.Due to the setting height(from bottom) h of air conditioner0, compressor 1 capacity v for this
The technical staff in field is it is appreciated that being not described in detail herein.
So as to only it is to be understood that the capacity v of compressor 1, it is possible to the volume V of reservoir 2 is calculated according to above-mentioned formula,
So as to shorten the construction cycle of compressor assembly 100, R＆D costs are reduced.
Further, V further meets：Further, V further meets：Thus, using larger-size reservoir 2, compressor assembly 100 can be effectively ensured
Security.
Alternatively, h0For 0.6m, 1.0m, 1.8m or 2.2m etc..Such as when air conditioner is wall-mounted Split type air conditioner, h0
Can be 1.8m；When air conditioner is ceiling-mounted air conditioner, h0Can be 2.2m.It is appreciated that h0Concrete numerical value can basis
Different types of air conditioner and adaptive change, the present invention are not particularly limited this.
Compressor assembly 100 for air conditioner according to embodiments of the present invention, it is ensured that when R290 refrigeration systems expire
When the limitation of the refrigerant charge of sufficient standard requirement requires, reservoir 2 disclosure satisfy that the requirement of gas-liquid separation, so that not
The situation of 1 compressed liquid refrigerant of compressor occurs, improves the reliability of compressor assembly 100.In addition, using above-mentioned public affairs
Formula can help compressor developer rapidly and accurately to select suitable reservoir 2, improve the development efficiency of compressor 1.
The present invention derives the compressor assembly 100 being adapted to using R290 refrigerants by experimental data and theoretical calculation
Reservoir 2 system of selection, to improve the development efficiency of compressor assembly 100.Detailed process is described below：
First point, in chinese national standard GB4706.32-2012, the refrigerant charge of R290 refrigeration systems is root
It is calculated according to following formula：
mmax=2.5 × (LFL)(5/4)×h0×(A)1/2 (1)
In formula：
mmax：Refrigerant in refrigeration system allows maximum enclosed volume (kg)；
A：Room area (m2)；
LFL：Minimum combustion limits (the kg/m of R290 refrigerants3)；
h0：The setting height(from bottom) (m) of air conditioner in the room.
It follows that using the refrigeration system of R290 refrigerants, used in the room of different area, refrigeration system is most
Big refrigerant enclosed volume, it is as shown in table 1 below.
The R290 refrigeration system refrigerant charges that 1 standard of table allows
Second point, the experience according to air conditioner industry, user, can be according to the directions and room in room when selecting refrigeration system
Between area primarily determine that the size of required refrigeration system, empirical data is as shown in table 2 below.
2 refrigeration system size (refrigerating capacity) of table selects empirical data
According to table 2, the difference of the rooms of different directions due to being subject to the factors such as light application time, the required system of unit area
Cold is different, it is contemplated that proposed by the invention is a kind of approximation method, in order to which it is accurate when reservoir 2 selects to improve
Rate, therefore, in the present invention it is possible to derived using average value come approximate calculation.
It should be noted that the data in table 2 are to need situation to refrigerating capacity in actual use, with which kind of refrigeration used
Agent is unrelated, belongs to the empirical value being adapted to extensively.That is, the every square meter refrigerating capacity and its average value F in table 2 are suitable for R290
Refrigerant, is also applied for the refrigerants such as R22, R410A.
Thirdly, R290 compressor model machines are manufactured experimently out, and is carried in R290 refrigeration systems and carries out match test, with
Understand the performances of R290 in refrigeration systems.Capacity v (the cm of obtained compressor model machine3/ rev) and refrigeration system
The data of refrigerating capacity Q (W), are calculated the R290 compressors 1 corresponding refrigerating capacity K of unit discharge capacity, as shown in table 3 below.
The relation of 3 R290 compressor displacements of table and cooling system amount
According to result of the test, the refrigerating capacity K of 1 unit discharge capacity of R290 compressors is about 143W.Here, it is necessary to illustrate,
The data of this experiment are representative as a result, i.e. under most of applicable cases, and the data in upper table 3 are applicable in, this with
The purpose of system of selection provided by the present invention is consistent.
4th point, it needs to be determined that using R290 refrigerants refrigeration system in, how many clearly is understood under special operation condition
Refrigerant needs to carry out gas-liquid separation using reservoir 2.Wherein it is possible to using with graduated collection device, confirm in difference
In the refrigeration system of ability, the liquid refrigerant being collected into accounts for the ratio for the refrigerant that refrigeration system always fills.Fig. 3 lists five
The amount of liquid refrigerant that the maximum of the different refrigeration system of kind is collected into accounts for the refrigerant amount always filled of corresponding refrigeration system
Ratio H result data.
In figure 3, abscissa 1-5 represents the refrigeration system of five different capacity of water and efficiency rank, ordinate respectively
Every refrigeration system is represented under each operating mode used, the accounting for the most liquid refrigerants being collected into, press in figure from it is small to
Big order represents in a manner of from left to right.Wherein, it is collected into 5 systems (i.e. the refrigeration system for being located at the rightmost side in Fig. 3)
Maximum liquid refrigerant account for the ratio H of the total charging amount of system and reached 53%, and 1 system is (i.e. positioned at the leftmost side in Fig. 3
Refrigeration system) in the maximum refrigerant accounting H that is collected into be 28%.
That is, required 2 volume of reservoir of compressor 1 is according to the different and different of refrigeration system, minimum storage
2 volume of liquid device is required to accommodate 28% capacity of total charging amount in liquid, as long as there is 53% capacity ratio when maximum
.In this way, can significantly reduce the volume range of choice of reservoir 2, development efficiency is improved.
According in above test data and theory analysis, particularly the 4th point, it has been proposed that 2 volume of reservoir and system
The relation of total charging amount.But more accurate relational expression can be obtained, it is also necessary to the density of research such as liquid refrigerant
The influence of the factors such as situation of change, the change of the setting height(from bottom) of refrigeration system, so that comprehensive use more accurately estimates formula.
The relation of the capacity v of the room area and compressor 1 used is defined below：
It is assumed that the required refrigerating capacity in certain room is P (W), the 1 capacity v (cm of compressor used3/ rev), then according to upper
The relation of the refrigerating capacity K of the 1 unit discharge capacity of R290 compressors obtained in table 3 can obtain：
P=K × v (2)
Since the scope of K is relatively small, average value K=143W/ (cm can be directly pressed when calculating3/ rev) calculate.
According to upper table 2, the refrigerating capacity F maximums needed per square meter are 220W, and the average value of minimum value 150W, F are
190W, simplifies and is handled by average value, then have：
According to formula (1), (2), (3), then the refrigerant charge for obtaining the permission of R290 refrigeration systems is：
If the Saturate liquid density of R290 refrigerants is ρ (kg/m3), then the refrigerant volume for being filled to refrigeration system is T
(m3), have：
The proportionate relationship scope of the refrigerant for returning to reservoir 2 and the refrigerant of system filling in Fig. 3, works as filling
Refrigerant volume it is maximum when, when being calculated with maximum ratio H, the reservoir 2 maximum volume V (ml) such as following formula that are needed：
When the refrigerant volume of filling is minimum, when being calculated with minimum ratio H, the minimum of reservoir 2 needed is held
Product V (ml) such as following formula：
According to refrigerant property list, it is as shown in table 4 below to find R290 refrigerant Saturate liquid densities：
R290 Saturate liquid densities under 4 different temperatures of table
| Temperature (DEG C) | -30 | -15 | 0 | 15 | 30 | 45 | 65 |
| Saturate liquid density (kg/m3) | 567.2 | 548.5 | 528.7 | 507.4 | 484.1 | 458.0 | 416.3 |
In the use temperature range of common compressor 1, when ρ is bigger, according to above formula (5), then the refrigerant filled
Liquid volume it is smaller, then, it is identical return liquid proportional under, the volume requirements of reservoir 2 are also just smaller.With conservative thinking
To consider, relatively large reservoir 2 should be selected, to ensure security；And select less reservoir 2, then it can reduce into
This, reduce the volume of compressor 1, at this time, then should be calculated with maximum density.
Therefore, according to formula (6), when the refrigerant volume of filling is maximum, when being calculated with minimum density p, needed
2 maximum volume V (ml) of reservoir：
When the refrigerant volume of filling is minimum, when being calculated with maximum density p, the minimum of reservoir 2 needed is held
Product V (ml)：
Calculated if being simplified with average value, averag density ρ=501.4kg/m is calculated according to table 43, then it is simplified meter
The averaged lower bound value requirement of the 2 volume V of reservoir of calculation：
In addition, such as rotary compressor of compressor 1 is mainly used in wall-mounted Split type air conditioner at present, according to table 1
Requirement, its setting height(from bottom) h0Calculated by 1.8m, disclosure satisfy that most of application requirements of current rotary compressor.
In summary analyze, when R290 compressors 1 be applied to refrigeration system in, and the refrigeration system meet above-mentioned standard close
When the charging amount limitation of refrigerant requires, the choosing of 2 volume V (ml) of reservoir can be respectively obtained according to formula (8), (9), (10)
Select scope.
Related data is substituted into respectively in formula (8), (9), (10), respectively obtain formula (11), (12), (13)：
In formula (11), (12), (13), formula (11) gives 2 selection scheme of reservoir with larger security, and formula
(12) selection scheme during minimum reservoir 2 is then given, low cost is can be applied to and requires or the reservoir 2 of compressor 1 is accounted for
There is situation during strict demand with space, certainly, the refrigerant charge that can also be applied to system is less than the limitation of standard requirement
Situation during value.2 scheme of reservoir selected by formula (13) has the characteristics that generally applicable.
The compressor assembly 100 for air conditioner of multiple embodiments according to the present invention is carried out referring to Fig. 1 and Fig. 2
Describe in detail.
Embodiment one,
As shown in Figure 1, rotary compressor includes housing and its inner space surrounded, the outside of housing is provided with storage
Liquid device 2, the entrance of reservoir 2 are connected with the low-side heat exchanger (not shown) of refrigeration system, the outlet and setting of reservoir 2
Suction pathway on rotary compressor housing is connected.
Since R290 is combustible refrigerant, according to the regulation of chinese national standard GB4706.32-2012, use R290's
Refrigeration system has refrigerant charge limitation to require, its limits value is calculated by formula (1).Thus, using R290 refrigerants
Refrigeration system, used in different area rooms, refrigeration system can calculate maximum refrigerant charge according to formula (1)
Limitation requires.
Rotary compressor is mainly used in wall-mounted Split air conditioning system, according to the requirement of table 1, its setting height(from bottom) h0
Calculated by 1.8m, disclosure satisfy that most of application requirements of current rotary compressor, this is also with proposed by the present invention carrying
The development efficiency of high rotary compressor is consistent.
In the present embodiment, reservoir 2 has internal capacity V (ml), and the discharge capacity of compressor is v (cm3/rev), and installation is high
When degree h0 is 1.8m, then the design volume of reservoir 2 can be according to formulaTo select.It can ensure when refrigeration system
When system meets that the refrigerant charge limitation of standard requirement requires, reservoir 2 disclosure satisfy that the requirement of gas-liquid separation, rotation
Formula compressor will not compress excessive liquid refrigerants, so as to ensure the reliability of rotary compressor.
Embodiment two,
In the present embodiment, the design volume of reservoir 2 is according to formulaTo select, at this time, reservoir 2
It is relatively small, when 2 size of reservoir to rotary compressor has strict demand, or the refrigerant charge when refrigeration system
It when low compared with limits value, can more meet requirement, and have the advantages that cost is low.
By the other structures and the phase of the rotary compressor in embodiment one of rotary compressor in this present embodiment
Answer structure identical, which is not described herein again.
Embodiment three,
In the present embodiment, the design volume of reservoir 2 is according to formulaTo select, at this time, with embodiment
One compares, and can reduce 2 size of reservoir；And compared with embodiment two, then have the characteristics that it is generally applicable, when refrigeration system
Charging amount is less than standard requirement or in order to be used when selecting more accurately reservoir 2.
By the other structures and the phase of the rotary compressor in embodiment one of rotary compressor in this present embodiment
Answer structure identical, which is not described herein again.
The air conditioner (not shown) of embodiment according to a second aspect of the present invention, including above-mentioned first aspect according to the present invention
The compressor assembly 100 for air conditioner of embodiment.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example describe
Structure, material or feature are contained at least one embodiment of the present invention or example.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can combine in an appropriate manner in any one or more embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of departing from the principle of the present invention and objective a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The scope of invention is limited by claim and its equivalent.
Claims (6)
1. a kind of compressor assembly for air conditioner, including：Compressor and reservoir, the compressor include housing, motor
And compression mechanism, the motor and compression mechanism are each provided in the housing, the motor is connected with the compression mechanism, described
Reservoir is located at the hull outside, and the outlet of the reservoir inside the compression mechanism with connecting, it is characterised in that institute
The volume for stating reservoir is V, wherein the V meets：
<mrow>
<mi>V</mi>
<mo>&GreaterEqual;</mo>
<mn>17.94</mn>
<mo>&times;</mo>
<msub>
<mi>h</mi>
<mn>0</mn>
</msub>
<mo>&times;</mo>
<msqrt>
<mi>v</mi>
</msqrt>
<mrow>
<mo>(</mo>
<mi>m</mi>
<mi>l</mi>
<mo>)</mo>
</mrow>
</mrow>
Wherein, the h0For the setting height(from bottom) of the air conditioner in the room, the v is the refrigerant used for the described of R290
The capacity of compressor.
2. the compressor assembly according to claim 1 for air conditioner, it is characterised in that the V further meets：
3. the compressor assembly according to claim 2 for air conditioner, it is characterised in that the V further meets：
4. the compressor assembly according to any one of claim 1-3 for air conditioner, it is characterised in that the h0For
0.6m, 1.0m, 1.8m or 2.2m.
5. the compressor assembly according to claim 4 for air conditioner, it is characterised in that the air conditioner is wall-mounted
Split type air conditioner, the h0For 1.8m.
6. a kind of air conditioner, it is characterised in that including the compression for air conditioner according to any one of claim 1-4
Thermomechanical components.
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| CN201410483200.7A CN105485967B (en) | 2014-09-19 | 2014-09-19 | Air conditioner and its compressor assembly |
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| CN201410483200.7A CN105485967B (en) | 2014-09-19 | 2014-09-19 | Air conditioner and its compressor assembly |
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| CN105485967B true CN105485967B (en) | 2018-04-20 |
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ID=55673114
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| GB1105971A (en) * | 1964-03-17 | 1968-03-13 | John Thomson Byron | Improvements in or relating to refrigeration systems |
| JPH04257671A (en) * | 1991-02-08 | 1992-09-11 | Daikin Ind Ltd | Compressor device |
| CN2118957U (en) * | 1992-03-26 | 1992-10-14 | 李树艳 | Gas/liquid separator |
| EP0544214A1 (en) * | 1991-11-27 | 1993-06-02 | Sanden Corporation | Accumulating device for use in refrigerant circuit |
| CN1894548A (en) * | 2003-12-19 | 2007-01-10 | 开利公司 | Vapor compression systems using an accumulator to prevent over-pressurization |
| CN101307971A (en) * | 2008-04-10 | 2008-11-19 | 上海理工大学 | Determination method for frequency converting air-conditioner liquid reservoir capacity and refrigerant charging amount |
| EP2503268A2 (en) * | 2011-03-24 | 2012-09-26 | Airbus Operations GmbH | Accumulator arrangement for storing a refrigerating medium, and method of operating such an accumulator arrangement |
| CN103574993A (en) * | 2012-07-27 | 2014-02-12 | 青岛德莱维电器有限公司 | Refrigerator refrigerating system manufacturing scheme |
| CN203657299U (en) * | 2013-11-14 | 2014-06-18 | 广东美芝制冷设备有限公司 | Liquid accumulator of compressor and compressor |
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2014
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1105971A (en) * | 1964-03-17 | 1968-03-13 | John Thomson Byron | Improvements in or relating to refrigeration systems |
| JPH04257671A (en) * | 1991-02-08 | 1992-09-11 | Daikin Ind Ltd | Compressor device |
| EP0544214A1 (en) * | 1991-11-27 | 1993-06-02 | Sanden Corporation | Accumulating device for use in refrigerant circuit |
| CN2118957U (en) * | 1992-03-26 | 1992-10-14 | 李树艳 | Gas/liquid separator |
| CN1894548A (en) * | 2003-12-19 | 2007-01-10 | 开利公司 | Vapor compression systems using an accumulator to prevent over-pressurization |
| CN101307971A (en) * | 2008-04-10 | 2008-11-19 | 上海理工大学 | Determination method for frequency converting air-conditioner liquid reservoir capacity and refrigerant charging amount |
| EP2503268A2 (en) * | 2011-03-24 | 2012-09-26 | Airbus Operations GmbH | Accumulator arrangement for storing a refrigerating medium, and method of operating such an accumulator arrangement |
| CN103574993A (en) * | 2012-07-27 | 2014-02-12 | 青岛德莱维电器有限公司 | Refrigerator refrigerating system manufacturing scheme |
| CN203657299U (en) * | 2013-11-14 | 2014-06-18 | 广东美芝制冷设备有限公司 | Liquid accumulator of compressor and compressor |
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| Publication number | Publication date |
|---|---|
| CN105485967A (en) | 2016-04-13 |
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