CN201973971U - Oil separator and air conditioning system employing same - Google Patents
Oil separator and air conditioning system employing same Download PDFInfo
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- CN201973971U CN201973971U CN2011200173252U CN201120017325U CN201973971U CN 201973971 U CN201973971 U CN 201973971U CN 2011200173252 U CN2011200173252 U CN 2011200173252U CN 201120017325 U CN201120017325 U CN 201120017325U CN 201973971 U CN201973971 U CN 201973971U
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- straight sections
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- oil eliminator
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Abstract
The utility model discloses an oil separator. The oil separator comprises a shell as well as an ingress pipe, a return pipe, and a discharge pipe penetrating through the shell and communicated with the internal space of the shell, wherein the part of the discharge pipe, extending into the internal space of the shell comprises a swelling part; and the swelling part forms a hollow muffling cavity or is filled with muffling materials. As the swelling part is arranged at the internal discharge pipe end of the oil separator, excellent muffling effect can be reached; and the oil separator has excellent noise reduction effects to high frequency noises in an air conditioning system in particular.
Description
[technical field]
The utility model relates to field of air conditioning, particularly improved oil separator structure in the air-conditioning system.
[background technology]
Air-conditioning system is the system of extensive use in the present society.Air-conditioning system generally includes devices such as compressor, condenser, evaporimeter and check valve.Wherein compressor is one of necessary parts in the air-conditioning system, is generally used for the refrigerant gas of low-temp low-pressure is compressed into the refrigerant gas of HTHP.
In actual use, the inner a large amount of lubricating oil of injection that needs of compressor, with the wearing and tearing that prevent to cause owing to the friction between the parts of compressor, and the heat that produces when cold-producing medium compressed in compressor carries out the part cooling, can also alleviate the metal fatigue of compressor part, and on by the compressor seal line, form the leakage that oil film prevents compressed cold-producing medium.
When cold-producing medium compresses in compressor, inject the lubricating oil meeting and the refrigerant mixed of compressor, this will cause the lubricating oil of refrigerant compressed in compressor to discharge compressor.So in existing air-conditioning system, can be provided with an oil eliminator usually and the lubricating oil separation in the refrigerant gas of HTHP is come out and send compressor back to, lose oil to prevent compressor.Oil eliminator also plays and reduces oil content in the heat exchanger, the effect that improves heat exchange efficiency efficiently.
Please refer to Fig. 1, it shows the schematic appearance of existing a kind of oil eliminator 100.Described oil eliminator 100 comprises shell 110 and connects ingress pipe 120, oil return pipe 130 and the discharge pipe 140 of enclosure space and exterior that wherein ingress pipe 120 connects the discharge pipe of compressor.Further with reference to the profile perspective shown in the figure 2 as can be known, described shell 110 comprises circular upper end cover 111, cylindrical side wall 112 and circular bottom end cover 113.Described ingress pipe 120 tangentially runs through described cylindrical side wall 112, makes cold-producing medium enter described shell 110 backs along described cylindrical side wall 112 rotational flows.Described oil return pipe 130 vertically runs through described bottom end cover 113 from the center of circle of described bottom end cover 113, described discharge pipe 140 vertically runs through described upper end cover 111 from the center of circle of described upper end cover 111, and extend in the inner space of described shell 110, the cold-producing medium rotational flow is behind the bottom like this, cold-producing medium is discharged along described discharge pipe 140, and isolated lubricating oil then reclaims from described oil return pipe 130 when rotational flow.
But in actual use, can there be bigger noise in described air-conditioning system.The main formative factor of described noise is produced by compressor, and particularly working as compressor is frequency-changeable compressor, and perhaps compressor causes for example above dither of 250HZ easily when being in the duty of high frequency.Behind the oil eliminator that this vibration is delivered to it directly links to each other,, the inner space of oil eliminator inspires bigger noise because having served as such as the same device of resonant cavity.Such noise is to make us feeling put about intolerable in other words, even can damage people's hearing.
Therefore, demand proposing technical scheme a kind of advanced person, that can overcome above-mentioned shortcoming urgently.
[utility model content]
The purpose of this utility model is to provide a kind of oil eliminator, can reduce the noise of air-conditioning system.
In order to reach the purpose of this utility model, the utility model provides a kind of oil eliminator, described oil eliminator comprises shell and runs through described shell and the ingress pipe that communicates with the inner space of described shell, oil return pipe and discharge pipe, wherein, the described discharge pipe part that extends into the inner space of described shell includes bulge.
Further, the part that described discharge pipe extends into the inner space of described shell comprises first straight sections, bulge and second straight sections, be formed with cavity in the described bulge, cavity in one end of first straight sections and the described bulge communicates, the other end of first straight sections communicates with the space outerpace of shell, one end of second straight sections communicates with the internal cavities of described bulge, and the other end of second straight sections communicates with the inner space of described shell.
Further, first straight sections is the cylinder type hollow pipe, and second straight sections also is the cylinder type hollow pipe, and described bulge includes columniform sidewall.
Further, the axial line of the columniform sidewall of the axial line of the axial line of first straight sections, second straight sections and bulge is located on the same line.
Further, the internal diameter of the sidewall of described bulge is greater than the external diameter of described first straight sections and second straight sections, and the end that communicates with cavity in the described bulge of first straight sections extends into certain distance in the cavity of described bulge.
Further, described discharge pipe comprises straight sections and bulge, one end of described straight sections communicates with the inner space of described shell, the other end of described straight sections communicates with the space outerpace of described shell, described bulge is around the outer wall of described straight sections and form a cavity, and is filled with quieter material in the described cavity.
Further, described straight sections is the cylinder type hollow pipe.
The utility model proposes a kind of air-conditioning system simultaneously, and described air-conditioning system comprises compressor and the aforementioned oil eliminator that can noise reduction that is connected with described compressor.
Compared with prior art, oil eliminator described in the utility model is provided with a bulge at the exhaust pipe end of inside, utilizes this bulge can reach good noise elimination effect, particularly has good noise reduction for the high-frequency noise in the air-conditioning system.
[description of drawings]
In conjunction with reaching ensuing detailed description with reference to the accompanying drawings, the utility model will be more readily understood, the structure member that wherein same Reference numeral is corresponding same, wherein:
Fig. 1 shows the schematic appearance of existing a kind of oil eliminator;
Fig. 2 shows the profile perspective of oil eliminator shown in Figure 1;
Fig. 3 shows the profile perspective among the embodiment of oil eliminator of the present utility model;
Fig. 4 shows the schematic appearance among the embodiment of discharge pipe of the present utility model;
Fig. 5 shows the profile perspective among the embodiment of discharge pipe of the present utility model;
Fig. 6 shows the profile perspective among another embodiment of discharge pipe of the present utility model; With
Fig. 7 shows the sound transmission loss curve comparison diagram of oil eliminator when work among a prior art and the embodiment of the present utility model.
[specific embodiment]
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Compared to traditional single oil eliminator, one of the emphasis of the oil eliminator in the utility model and bright spot are: in oil eliminator inside, also be that the inlet end of discharge pipe is provided with an expansion chamber, described expansion chamber is used to eliminate noise.
The utility model for convenience of description, the miscellaneous part of the oil eliminator among the embodiment except that discharge pipe all adopts and is similar to the described oil separator structure of Fig. 1 hereinafter.Obviously, described oil eliminator can also be taked other structures.Tired no longer one by one herein stating, this is the easily part that reaches of full of beard of those skilled in the art institute
Please refer to Fig. 3, it shows among the embodiment of oil eliminator of the present utility model 300 generalized section.Described oil eliminator 300 comprises shell 310 and connects ingress pipe 320, oil return pipe 330 and the discharge pipe 340 of enclosure space and exterior that wherein ingress pipe 320 connects the discharge pipe of compressor.
Described shell 310 comprises circular upper end cover 311, cylindrical side wall 312 and circular bottom end cover 313, and the inside of described shell 310 forms a cylindrical cavity.Described ingress pipe 320 tangentially runs through described cylindrical side wall 312, makes cold-producing medium enter described shell 310 backs along described cylindrical side wall 312 rotational flows.Described oil return pipe 330 vertically runs through described bottom end cover 313 from the center of circle of described bottom end cover 313, also is the gravitational base position after the installation of described oil eliminator 300.Described discharge pipe 340 vertically runs through described upper end cover 311 from the center of circle of described upper end cover 311, and extends in the inner space of described shell 310.Cold-producing medium is through rotational flow is behind the bottom fully like this, and cold-producing medium is discharged along described discharge pipe 340, and isolated lubricating oil then reclaims from described oil return pipe 330 when rotational flow.
Especially, described discharge pipe 340 comprises straight sections 342 and the bulge 344 that extends into described oil eliminator inner space.Please continue with reference to figure 4, described bulge 344 can be the shuttle type, includes columniform sidewall, and the internal diameter of the cylindrical side wall of described bulge 344 is greater than the external diameter of described straight sections 342.The inside of described bulge 344 can form the noise reduction cavity of hollow, and quieter material is filled in the inside of perhaps described bulge 344, is purpose to reach the elimination noise all.
Please refer to Fig. 5, it shows the profile perspective among the embodiment 500 of discharge pipe of the present utility model.Described discharge pipe 500 comprises first straight sections 510, bulge 520 and second straight sections 530 that links to each other successively.Described bulge 520 comprises circular cone bench-type top cover, cylindrical side wall and rounding taper type bottom, and this three part forms the inside noise elimination cavity of a fusiformis.Described first straight sections 510 and second straight sections 530 are the cylinder type hollow pipe, and the length of first straight sections 510 is longer, and the length of second straight sections 530 is shorter.One end of described first straight sections 510 communicates with cavity in the described bulge 520, the other end of first straight sections 510 communicates with the space outerpace of shell, one end of second straight sections 530 communicates with the internal cavities of described bulge 520, the other end of second straight sections 530 communicates with the inner space of described shell, and the axial line of the columniform sidewall of the axial line of the axial line of first straight sections 510, second straight sections 530 and bulge 520 is located on the same line.Because the internal diameter of described cylindrical side wall is greater than the external diameter of straight sections 510, so described noise elimination cavity is greater than the inside tubular passageway of described first straight sections 510 and second straight sections 530.According to the expansion noise-cancelling theory, after gases at high pressure enter described noise elimination cavity, can expand decompression and generation noise elimination effect.In order to reach better noise elimination effect, the end that described first straight sections 510 communicates with cavity in the described bulge 520 extends into certain distance in the noise reduction cavity of described bulge 520.
Please refer to Fig. 6, it shows the profile perspective among another embodiment 600 of discharge pipe of the present utility model.Described discharge pipe 600 comprises straight sections 610 and is surrounded on the bulge 620 of straight tube one end outer wall.Described bulge 620 comprises circular cone bench-type top cover, cylindrical side wall and rounding taper type bottom, this three part forms the annular housing of a fusiformis, described annular housing is surrounded on the outer wall that described straight sections 610 is positioned at an end of oil eliminator inner space, and described annular housing is inner fills such as flexible or foamed deadener 630, because deadener 630 is a mature technique content comparatively in the prior art, so do not do concrete qualification, if can be under oil eliminator internal temperature environment operate as normal.When vibration took place described oil eliminator, described deadener can be converted into heat energy by the absorption portion vibrational energy, reaches the noise elimination effect.
Obviously, described oil eliminator can have different forms in different embodiment, such as traditional vertical oil separator, horizontal oil eliminator, many inner cores oil eliminator etc.The outer shape of described bulge also can be other shapes beyond the fusiformis, such as sphere, cube or the like.In embodiment preferably, the internal cavities of described bulge can reach vibration (also the being a kind of ripple) reflection that compressor is sent and the effect of cancelling out each other as far as possible.In other embodiment, also noise elimination cavity and deadener can be used in combination to reach the effect of eliminating the noise better.
Fig. 7 shows the sound transmission loss curve comparison diagram of oil eliminator when work among a prior art and the embodiment of the present utility model.Obviously, compare with conventional oil separators, adopt the oil eliminator of preferred embodiment of the present utility model after, the middle and high frequency range sound transmission loss characteristic in the air-conditioning system is better, and this frequency range fluid borne noise is had better noise elimination effect.
In sum, the oil eliminator in the utility model has noise reduction preferably, and characteristics of the oil eliminator in the utility model are simultaneously: silencing apparatus is installed in the inside of described oil eliminator.Such mode has following several characteristics: the first, and silencing apparatus does not bear big pressure, is not easy to damage.If silencing apparatus is installed in the outside, such as the pipeline position between compressor and the oil eliminator, then the refrigerant gas of compressor discharge is a high pressure, and external pressure is a low pressure, silencing apparatus will bear higher pressure differential, play the effect of a pressure vessel in fact, can be very easy to damage, and relate to the strict design rule; The second, even if silencing apparatus damages, do not influence the normal use of air-conditioning system yet; The 3rd, silencing apparatus is arranged on blast pipe portion, and delicate structure and saving material can reduce manufacturing expense; The 4th, described silencing apparatus damages back maintenance easily, only need to change associated components and get final product, and expense is cheap; The 5th, silencing apparatus does not take more space, can not increase the additional volumes of air-conditioning system; The 6th, the fluid that described bulge has increased oil eliminator inside forms the chance of eddy current and collision when flowing, and makes the bigger oil droplet of the easier formation of small oil droplet and separated, has further strengthened the separating effect of oil eliminator.
Above-mentioned explanation has fully disclosed the specific embodiment of the present utility model.It is pointed out that and be familiar with the scope that any change that the person skilled in art does the specific embodiment of the present utility model does not all break away from claims of the present utility model.Correspondingly, the scope of claim of the present utility model also is not limited only to the described specific embodiment.
Claims (9)
1. oil eliminator, it is characterized in that, it comprises shell and runs through described shell and the ingress pipe that communicates with the inner space of described shell, oil return pipe and discharge pipe, wherein, the part that described discharge pipe extends into the inner space of described shell includes bulge, and the inside of described bulge forms the noise reduction cavity of hollow or quieter material is filled in the inside of described bulge.
2. oil eliminator according to claim 1, it is characterized in that, the part that described discharge pipe extends into the inner space of described shell comprises first straight sections and bulge, be formed with cavity in the described bulge, cavity in one end of first straight sections and the described bulge communicates, and the other end of first straight sections communicates with the space outerpace of shell.
3. oil eliminator according to claim 2, it is characterized in that, the part that described discharge pipe extends into the inner space of described shell also comprises second straight sections, one end of described second straight sections communicates with the internal cavities of described bulge, and the other end of second straight sections communicates with the inner space of described shell.
4. oil eliminator according to claim 3 is characterized in that, first straight sections is the cylinder type hollow pipe, and second straight sections also is the cylinder type hollow pipe, and described bulge includes columniform sidewall.
5. oil eliminator according to claim 4 is characterized in that, the axial line of the axial line of the axial line of first straight sections, second straight sections and the columniform sidewall of bulge is located on the same line.
6. oil eliminator according to claim 4, it is characterized in that, the internal diameter of the sidewall of described bulge is greater than the external diameter of described first straight sections and second straight sections, and the end that first straight sections communicates with cavity in the described bulge extends in the cavity of described bulge.
7. oil eliminator according to claim 1, it is characterized in that, the part that described discharge pipe extends into the inner space of described shell comprises straight sections and bulge, one end of described straight sections communicates with the inner space of described shell, the other end of described straight sections communicates with the space outerpace of described shell, described bulge is around the outer wall of described straight sections and form a cavity, and is filled with quieter material in the described cavity.
8. oil eliminator according to claim 7 is characterized in that, described straight sections is the cylinder type hollow pipe.
9. an air-conditioning system is characterized in that, it comprises compressor and the oil eliminator as claimed in claim 1 that is connected with described compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200173252U CN201973971U (en) | 2011-01-19 | 2011-01-19 | Oil separator and air conditioning system employing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200173252U CN201973971U (en) | 2011-01-19 | 2011-01-19 | Oil separator and air conditioning system employing same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201973971U true CN201973971U (en) | 2011-09-14 |
Family
ID=44579070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200173252U Expired - Fee Related CN201973971U (en) | 2011-01-19 | 2011-01-19 | Oil separator and air conditioning system employing same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201973971U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104964494A (en) * | 2015-06-12 | 2015-10-07 | 广东美的暖通设备有限公司 | Oil separator for refrigerating system |
| CN105588318A (en) * | 2015-09-16 | 2016-05-18 | 青岛海信日立空调***有限公司 | Silencer |
| US11536501B2 (en) | 2018-09-14 | 2022-12-27 | Carrier Corporation | Oil separator with integrated muffler |
-
2011
- 2011-01-19 CN CN2011200173252U patent/CN201973971U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104964494A (en) * | 2015-06-12 | 2015-10-07 | 广东美的暖通设备有限公司 | Oil separator for refrigerating system |
| CN105588318A (en) * | 2015-09-16 | 2016-05-18 | 青岛海信日立空调***有限公司 | Silencer |
| US11536501B2 (en) | 2018-09-14 | 2022-12-27 | Carrier Corporation | Oil separator with integrated muffler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110914 Termination date: 20140119 |