CN104963871A - Compressor of air conditioning system and air conditioning system with compressor - Google Patents
Compressor of air conditioning system and air conditioning system with compressor Download PDFInfo
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- CN104963871A CN104963871A CN201510401142.3A CN201510401142A CN104963871A CN 104963871 A CN104963871 A CN 104963871A CN 201510401142 A CN201510401142 A CN 201510401142A CN 104963871 A CN104963871 A CN 104963871A
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Abstract
The invention discloses a compressor of an air conditioning system and the air conditioning system with the compressor. The compressor comprises a housing, an air cylinder assembly and a liquid storage device, wherein the air cylinder assembly is arranged in the housing and internally defines a compression chamber, the liquid storage device comprises a shell and an outlet pipe, the outer opening end of the outlet pipe is communicated with the air cylinder assembly, is located outside the shell and is communicated with the compression chamber, the inner opening end of the outlet pipe is located in the shell, the outlet pipe is provided with an oil return hole located in the shell, the volume of a space defined by a horizontal plane where the oil return hole is located and the shell located below the horizontal plane is V, a refrigerant and lubricating oil are arranged in the air conditioning system, the refrigerant is dimethylmethane, the oil sealing amount of the compressor is L, and V/L is smaller than or equal to 0.26. According to the compressor of the air conditioning system, disclosed by the embodiment of the invention, the lubricating property of the compressor is good, the operation is safe and reliable, and the working performance of the compressor is good.
Description
Technical field
The present invention relates to air-conditioning technical field, more specifically, relate to a kind of compressor of air-conditioning system and there is the air-conditioning system of this compressor.
Background technique
R22 refrigeration agent is classified as by " Montreal is discussed and decided " book the refrigeration agent that time limit progressively eliminates.Europe, Japan start to turn to R410A refrigerant replacement already, and the U.S. starts to forbid that R22 uses in new refrigeration product.China also accelerates the paces that R22 eliminates, and within 2015, will reach the requirement of 10% of reduction baseline values.And more domestic major brand also start to release the environment-friendly air conditioner of R410A as refrigeration agent.But the GWP value of R410A is also larger than R22, R410A has been classified as the greenhouse gases of controlled discharge by " Kyoto Protocol ", and all R410A are never long-range replacement schemes.
As HCFC (as R22), HFC (as R410A, R407C)) alternative refrigerant, existing carbon-hydrogen refrigerant R29, namely propane the most industry pay close attention to.But R290 is used for air-conditioner system, has the problem that very important, is exactly that it has high flammable, the enclosed volume of refrigeration agent in air-conditioner system must be limited.So be necessary to take measures, to reduce the amount of refrigerant in compressor housing, thus the refrigeration agent enclosed volume of air-conditioning system is also reduced.
Summary of the invention
The application makes the discovery of the following fact and problem and understanding based on inventor:
On the one hand, in the compressor using the non-flammable refrigeration agents such as R22, R410A, the enclosed volume (oil sealing amount) of lubricant oil is more.Because the lubricant oil in compressor is dissolved with refrigeration agent, if adopt the lubricant oil enclosed volume of the compressor of R290 with R22 conventional at present, the non-flammable coolant compressor such as R410A is the same, enclose the words of more lubricant oil, the content of the combustible refrigerant in system is comparatively large, will be unfavorable for the Security of flammable air conditioner.Therefore, the oil sealing amount of the compressor of R290 is adopted generally will be able to lack than the oil sealing amount of R22, R410A compressor.
On the other hand, the liquid-storage container internal vent pipe in rotary compressor is provided with spill port, effect is the lubricant oil of accumulation in liquid-storage container or liquid refrigerant are inhaled in the compression chamber of compressor by this spill port.If what be inhaled into is lubricant oil, lubricant oil also can go through being separated to get back in the oil sump of compressor along with the exhaust of cylinder assembly is discharged in compressor body.
For use R22, the compressor of R410A refrigeration agent, liquid refrigeration agent is than lubricant oil weight, so the setting position of the spill port of the outer pipe of liquid-storage container inside has with a certain distance from the outer casing bottom of liquid-storage container and forms certain space, thus the effect of " liquid storage " can be played, be inhaled in cylinder to prevent too much liquid refrigerant the phenomenon causing liquid hammer.
And for using the compressor of R290, lubricant oil is on the contrary than liquid refrigerant weight, what result stored in the space formed of the shell being positioned at the liquid-storage container under spill port is lubricant oil.Like this, the enclosed volume of the lubricant oil of the compressor of original R290 is just fewer, if this space is still by adopting the compressor of R22, R410A to arrange, just obviously excessive.That lubricant oil wherein had can account for and adopt the ratio of the oil sealing amount of the compressor of R290 obviously large.
In view of this, present inventor designs for the liquid-storage container of the compressor adopting R32 specially, makes the liquid-storage container of the compressor of employing R32 can make the timely oil return of lubricant oil, ensures the operation of compressor.
The present invention is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, the present invention proposes a kind of compressor of air-conditioning system, the greasy property of described compressor is good, the not fragile and favorable working performance of compressor.
The invention allows for a kind of air-conditioning system with above-mentioned compressor.
According to the compressor of the air-conditioning system of the embodiment of the present invention, comprising: housing, cylinder assembly, described cylinder assembly is located in described housing, is limited with compression chamber in described cylinder assembly, liquid-storage container, described liquid-storage container comprises shell and outer pipe, the outward opening end of described outer pipe is communicated with described cylinder assembly, the outward opening end of described outer pipe to be positioned at outside described shell and to be communicated with described compression chamber, the inner opening end of described outer pipe is positioned at described shell, described outer pipe is provided with the spill port being positioned at described shell, the horizontal plane at described spill port place is V with the volume being positioned at the space that the described shell under this horizontal plane surrounds, refrigeration agent and lubricant oil is provided with in described air-conditioning system, described refrigeration agent is propane, the oil sealing amount of described compressor is L, wherein V/L≤0.26.
According to the compressor of the air-conditioning system of the embodiment of the present invention, lubricant oil in liquid-storage container can be got back in the housing of compressor in time by spill port, lubricant oil is avoided to be detained in liquid-storage container, better ensure that the lubricants capacity in the housing of compressor, improve the reliability of compressor, the service behaviour of compressor is better, and working life extends.
In addition, the compressor of air-conditioning system according to the above embodiment of the present invention can also have following additional technical characteristics:
Preferably, when described lubricant oil is alkylbenzene artificial oil, V/L≤0.26; When described lubricant oil is mineral oil, V/L≤0.25; When described lubricant oil is synthetic ester lubricant, V/L≤0.24; When described lubricant oil is ether-type synthetic oil, V/L≤0.24; When described lubricant oil is poly-(second) glycols oil of synthesis, V/L≤0.22.
More preferably, when described lubricant oil is alkylbenzene artificial oil, V/L≤0.21; When described lubricant oil is mineral oil, V/L≤0.20; When described lubricant oil is synthetic ester lubricant, V/L≤0.19; When described lubricant oil is ether-type synthetic oil, V/L≤0.19; When described lubricant oil is poly-(second) glycols oil of synthesis, V/L≤0.17.
According to one embodiment of present invention, the part that described outer pipe is positioned at described housing vertically extends.
Alternatively, described cylinder assembly comprises a cylinder, and described outer pipe is communicated with described cylinder.
Alternatively, described cylinder assembly comprises bearing and cylinder, and described bearing is located at upper end and/or the lower end of described cylinder, and described bearing is provided with air intake passage, and described outer pipe is communicated with described cylinder by described air intake passage.
Alternatively, described cylinder assembly comprises two cylinders, and be provided with central diaphragm between two described cylinders, described central diaphragm is provided with air intake passage, one end of described air intake passage respectively with two described cylinders, the other end of described air intake passage is communicated with described outer pipe.
According to the air-conditioning system of the embodiment of the present invention, comprise the compressor of the air-conditioning system according to the embodiment of the present invention.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Fig. 1 is the structural representation of the compressor of air-conditioning system according to the embodiment of the present invention;
Fig. 2 is the structural representation of the liquid-storage container of the compressor of air-conditioning system according to the embodiment of the present invention.
Reference character:
Compressor 100;
Housing 10;
Cylinder assembly 20; Compression chamber 21; Air intake passage 22; Cylinder 201; Bearing 202;
Liquid-storage container 40; Shell 41; Outer pipe 42; Inner opening end 421; Outward opening end 422; Spill port 423.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
The compressor 100 according to the air-conditioning system of the embodiment of the present invention is described in detail below in conjunction with accompanying drawing.
Shown in seeing figures.1.and.2, the compressor 100 according to the air-conditioning system of the embodiment of the present invention can comprise: housing 10, cylinder assembly 20 and liquid-storage container 40.Refrigeration agent in compressor 100 is propane, i.e. R290.
Cylinder assembly 20 is located in housing 10, limits compression chamber 21 in cylinder assembly 20.Liquid-storage container 40 comprises shell 41 and outer pipe 42, and outer pipe 42 has two ends, is respectively outward opening end 422 and inner opening end 421.The outward opening end 422 of outer pipe 42 to be positioned at outside shell 41 and to be communicated with compression chamber 21, and the inner opening end 421 of outer pipe 42 is positioned at shell 41.
Outer pipe 42 is provided with the spill port 423 being positioned at shell 41.That is, spill port 423 is located in the part being positioned at shell 41 of outer pipe 42, and the lubricant oil in liquid-storage container 40 can be got back in compressor 100 by this spill port 423.The oil sealing amount supposing compressor 100 is L, and the horizontal plane supposing spill port 423 place and the volume being positioned at the space that the shell 41 under this horizontal plane surrounds are V, and namely the volume in the region shown in Fig. 2 section line is V.
Inventor finds through research, should meet following relationship: wherein V/L≤0.26 between the volume V in this space and the oil sealing amount L of compressor 100.When the structure of liquid-storage container 40 meets this relation, the lubricant oil in liquid-storage container 40 by spill port 423 oil return in time, can reduce the hold-up of lubricant oil in liquid-storage container 40, improves the utilization ratio of lubricant oil.
Here, the oil sealing amount L of compressor 100 concrete condition of basis can carry out value, such as, in some embodiments of the invention, and 60ml≤L≤750ml.When the value of L is determined, namely the volume V in this space can determine.The greasy property meeting the compressor 100 of this relation is good, the efficiengy-increasing of compressor 100, and energy consumption reduces.
According to the compressor 100 of the air-conditioning system of the embodiment of the present invention, the volume V in the space formed between the shell 41 of the horizontal plane at spill port 423 place and the liquid-storage container 40 under this horizontal plane can be arranged according to the relation determined, namely the position of spill port 423 obtains optimal design, make the lubricant oil in liquid-storage container 40 can get back in the housing 10 of compressor 100 in time by spill port 423, lubricant oil is avoided to be detained in liquid-storage container 40, avoid compressor 100 oil starvation, better ensure that the lubricants capacity in the housing 10 of compressor 100, improve the reliability of compressor 100, the working life of compressor 100 extends.
Consider the oil product stronger with the dissolubility of R290, be then stored in the oil product of liquid-storage container 40 bottom, the amount of the refrigeration agent contained will be more, then the liquid level of liquid-storage container 40 bottom also can be higher.That is, for identical liquid level height, the oil mass that the oil product more weak with the dissolubility of R290 is contained in this mixing material is more.Therefore, when adopting with the oil product that the dissolubility of R290 is more weak, the liquid level height in this space can than adopting the little of the oil product stronger with the dissolubility of R290.
That is, when compressor 100 adopts different lubricant oil, the structure of liquid-storage container 40 also should suitably change, and to ensure liquid-storage container 40 oil return in time, compressor 100 is run reliably.Specifically, according to some embodiments of the present invention, when lubricant oil is alkylbenzene artificial oil, when namely lubricant oil is AB oil, V/L≤0.26; When lubricant oil is mineral oil, V/L≤0.25; When lubricant oil is synthetic ester lubricant, when namely lubricant oil is POE oil, V/L≤0.24; When lubricant oil is ether-type synthetic oil, when namely lubricant oil is PVE oil, V/L≤0.24; When lubricant oil is poly-(second) glycols oil of synthesis, when namely lubricant oil is PAG oil, V/L≤0.22.
Preferably, when lubricant oil is alkylbenzene artificial oil, V/L≤0.21; When lubricant oil is mineral oil, V/L≤0.20; When lubricant oil is synthetic ester lubricant, V/L≤0.19; When lubricant oil is ether-type synthetic oil, V/L≤0.19; When lubricant oil is poly-(second) glycols oil of synthesis, V/L≤0.17.Thus, the structure of liquid-storage container 40 can be optimized setting according to the kind of lubricant oil, makes lubricant oil in liquid-storage container 40 can in the compressor of oil return in time.
As shown in Figure 2, the part that outer pipe 42 is positioned at shell 41 vertically extends.Thus, be not only beneficial to the flowing of gaseous refrigerant in outer pipe 42, and the size of outer pipe 42 is relatively shorter, material consumption is less.Preferably, the part being positioned at shell 41 of outer pipe 42 can be located at the position of the medial axis of housing 10, is beneficial to refrigeration agent and evenly flows into outer pipe 42 from surrounding.
As shown in Figure 1, cylinder assembly 20 can comprise a cylinder 201, and air intake passage 22 can be located on cylinder 201.Certainly, the structure of cylinder assembly 20 is not limited only to this, and such as, cylinder assembly 20 can comprise cylinder 201 and bearing 202, and bearing 202 can be located at upper end and/or the lower end of cylinder 201.Such as, when bearing 202 is one, this bearing 202 can for being located at the upper bearing (metal) of cylinder 201 upper end, also can for being located at the lower bearing of cylinder 201 lower end; When bearing 202 is two, two bearings 202 can be respectively upper bearing (metal) and lower bearing.
Wherein, air intake passage 22 can be located on bearing 202 at least partially.That is, air intake passage 22 can be located on bearing 202 completely, also can partly be located on bearing 202.When air intake passage 22 is located on bearing 202 completely, the opening of air intake passage 22 is directly communicated with compression chamber 21.When air intake passage 22 part is located on bearing 202, another part of air intake passage 22 still can be located on cylinder 201.Wherein, compression chamber 21 can directly directly be communicated with the air intake passage 22 be positioned on bearing 202, and also directly can be communicated with the air intake passage 22 be positioned on cylinder 201, this can be arranged as the case may be.
Alternatively, in unshowned embodiments more of the present invention, cylinder assembly 20 can comprise two cylinders 201.That is, can be duplex cylinder compressor according to the compressor 100 of the embodiment of the present invention.Be provided with central diaphragm between two cylinders 201, air intake passage 22 can be located on central diaphragm at least partially.That is, air intake passage 22 can all be located on central diaphragm, also can partly be located on central diaphragm.
When air intake passage 22 is located on central diaphragm completely, the compression chamber 21 of two cylinders 201 directly can be communicated with the opening of air intake passage 22 respectively.When air intake passage 22 part is located on central diaphragm, another part of air intake passage 22 can be located on cylinder 201, and when cylinder assembly 20 also has bearing 202, another part of air intake passage 22 also can be located on bearing 202.Wherein, compression chamber 21 can directly directly be communicated with the air intake passage 22 be positioned on central diaphragm, and also directly can be communicated with the air intake passage 22 be positioned on cylinder 201 or bearing 202, this can be arranged as the case may be.
Condenser, vaporizer and according to parts such as the compressors 100 of the embodiment of the present invention can be comprised according to the air-conditioning system of the embodiment of the present invention.This compressor 100 can be compressor with rolling rotor as shown in Figure 1.Owing to having above-mentioned useful technique effect according to the compressor 100 of the embodiment of the present invention, therefore high according to the air-conditioning system operational efficiency of the embodiment of the present invention, refrigerating capacity is strong, safe to use.
To form according to other of the refrigeration system of the embodiment of the present invention and the linkage structure of operation and compressor 100 and miscellaneous part and annexation are known for the person of ordinary skill of the art, be not described in detail at this.
In describing the invention, it will be appreciated that, term " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " interior ", " outward ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristics.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " can be fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (8)
1. a compressor for air-conditioning system, is characterized in that, comprising:
Housing;
Cylinder assembly, described cylinder assembly is located in described housing, is limited with compression chamber in described cylinder assembly;
Liquid-storage container, described liquid-storage container comprises shell and outer pipe, the outward opening end of described outer pipe is communicated with described cylinder assembly, the outward opening end of described outer pipe to be positioned at outside described shell and to be communicated with described compression chamber, the inner opening end of described outer pipe is positioned at described shell, described outer pipe is provided with the spill port being positioned at described shell, the horizontal plane at described spill port place is V with the volume being positioned at the space that the described shell under this horizontal plane surrounds, refrigeration agent and lubricant oil is provided with in described air-conditioning system, described refrigeration agent is propane, the oil sealing amount of described compressor is L, wherein V/L≤0.26.
2. the compressor of air-conditioning system according to claim 1, is characterized in that,
When described lubricant oil is alkylbenzene artificial oil, V/L≤0.26;
When described lubricant oil is mineral oil, V/L≤0.25;
When described lubricant oil is synthetic ester lubricant, V/L≤0.24;
When described lubricant oil is ether-type synthetic oil, V/L≤0.24;
When described lubricant oil is poly-(second) glycols oil of synthesis, V/L≤0.22.
3. the compressor of air-conditioning system according to claim 2, is characterized in that,
When described lubricant oil is alkylbenzene artificial oil, V/L≤0.21;
When described lubricant oil is mineral oil, V/L≤0.20;
When described lubricant oil is synthetic ester lubricant, V/L≤0.19;
When described lubricant oil is ether-type synthetic oil, V/L≤0.19;
When described lubricant oil is poly-(second) glycols oil of synthesis, V/L≤0.17.
4. the compressor of the air-conditioning system according to any one of claim 1-3, is characterized in that, the part that described outer pipe is positioned at described housing vertically extends.
5. the compressor of the air-conditioning system according to any one of claim 1-4, is characterized in that, described cylinder assembly comprises a cylinder, and described outer pipe is communicated with described cylinder.
6. the compressor of the air-conditioning system according to any one of claim 1-4, it is characterized in that, described cylinder assembly comprises bearing and cylinder, described bearing is located at upper end and/or the lower end of described cylinder, described bearing is provided with air intake passage, and described outer pipe is communicated with described cylinder by described air intake passage.
7. the compressor of the air-conditioning system according to any one of claim 1-4, it is characterized in that, described cylinder assembly comprises two cylinders, central diaphragm is provided with between two described cylinders, described central diaphragm is provided with air intake passage, one end of described air intake passage respectively with two described cylinders, the other end of described air intake passage is communicated with described outer pipe.
8. an air-conditioning system, is characterized in that, comprises the compressor of the air-conditioning system according to any one of claim 1-7.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510401142.3A CN104963871B (en) | 2015-07-09 | 2015-07-09 | The compressor of air-conditioning system and the air-conditioning system with the compressor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510401142.3A CN104963871B (en) | 2015-07-09 | 2015-07-09 | The compressor of air-conditioning system and the air-conditioning system with the compressor |
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| CN104963871A true CN104963871A (en) | 2015-10-07 |
| CN104963871B CN104963871B (en) | 2017-11-07 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101684805A (en) * | 2008-09-27 | 2010-03-31 | 乐金电子(天津)电器有限公司 | External members of two-stage rotating type compressor |
| JP2011122556A (en) * | 2009-12-14 | 2011-06-23 | Mitsubishi Heavy Ind Ltd | Compressor |
| CN103527483A (en) * | 2013-07-24 | 2014-01-22 | 安徽美芝精密制造有限公司 | Low-backpressure rotary compressor and refrigeration equipment provided with same |
| CN204783867U (en) * | 2015-06-30 | 2015-11-18 | 重庆迈拓生态农业发展有限公司 | Industrial waste water suction head of diving |
-
2015
- 2015-07-09 CN CN201510401142.3A patent/CN104963871B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101684805A (en) * | 2008-09-27 | 2010-03-31 | 乐金电子(天津)电器有限公司 | External members of two-stage rotating type compressor |
| JP2011122556A (en) * | 2009-12-14 | 2011-06-23 | Mitsubishi Heavy Ind Ltd | Compressor |
| CN103527483A (en) * | 2013-07-24 | 2014-01-22 | 安徽美芝精密制造有限公司 | Low-backpressure rotary compressor and refrigeration equipment provided with same |
| CN204783867U (en) * | 2015-06-30 | 2015-11-18 | 重庆迈拓生态农业发展有限公司 | Industrial waste water suction head of diving |
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| CN104963871B (en) | 2017-11-07 |
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