CN204240660U - Oil level balancer and refrigeration unit with same - Google Patents
Oil level balancer and refrigeration unit with same Download PDFInfo
- Publication number
- CN204240660U CN204240660U CN201420708273.7U CN201420708273U CN204240660U CN 204240660 U CN204240660 U CN 204240660U CN 201420708273 U CN201420708273 U CN 201420708273U CN 204240660 U CN204240660 U CN 204240660U
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- China
- Prior art keywords
- liquid
- oil level
- oil
- discharge connection
- housing
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- 238000005057 refrigeration Methods 0.000 title claims description 17
- 239000007788 liquid Substances 0.000 claims abstract description 68
- 238000010009 beating Methods 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 7
- 238000007689 inspection Methods 0.000 abstract 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 abstract 2
- 229910052731 fluorine Inorganic materials 0.000 abstract 2
- 239000011737 fluorine Substances 0.000 abstract 2
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 68
- 230000003134 recirculating effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000010725 compressor oil Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Compressor (AREA)
Abstract
The utility model discloses an oil level balancer and refrigerating unit who has oil level balancer, wherein, oil level balancer includes: a cylindrical housing; an inlet connecting pipe and an outlet connecting pipe which are communicated with the shell; the sight liquid connecting pipe is arranged on the shell; a liquid level switch extending inside the housing; the liquid inspection connecting pipe, the inlet connecting pipe and the outlet connecting pipe are all located on the circumferential side wall of the shell, the outlet connecting pipe is provided with a flange used for being communicated with an air suction port of the compressor, the inlet connecting pipe is provided with a fluorine injection nozzle used for being communicated with the oil separator, and the liquid inspection connecting pipe is provided with a liquid inspection mirror. The utility model discloses an oil level balancer has realized the oil return of compressor, and only needs to connect the notes fluorine mouth of oil separator and oil level balancer in the installation to and the flange of compressor and oil level balancer, effectively reduced the pipe arrangement, thereby simplified the structure, and then simplified the installation.
Description
Technical field
The utility model relates to compressor oil return technical field, more particularly, relates to a kind of oil level balancer and the refrigeration unit with oil level balancer.
Background technology
Refrigeration unit with in, during compressor operating, partial freeze in compressor oil can leave cylinder with cold-producing medium, and in order to ensure the normal operation of compressor, the refrigeration oil leaving cylinder needs to return cylinder, i.e. oil return.
At present, circuit is: be communicated with by two balance pipes between two compressors, and the caliber of a balance pipe is comparatively large, is arranged on above compressor housing, the pressure balance of (low pressure air suction part) between the cylinder that ensure that two compressors; The caliber of another root balance pipe is less, is arranged on below compressor housing, ensure that the balance of sieve shaker oil level; Meanwhile, the blast pipe of compressor increases oil eliminator, most of refrigeration oil is back to compressor by decompression capillary after oil eliminator.
But above-mentioned circuit is more complicated, the pipeline of needs is more, causes installation more complicated.
In sum, how to realize oil return, to simplify structure, thus simplifying installation, is current those skilled in the art's problem demanding prompt solution.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of oil level balancer, to simplify structure, thus simplifies installation.Another object of the present utility model is to provide a kind of refrigeration unit with above-mentioned oil level balancer.
In order to achieve the above object, the utility model provides following technical scheme:
A kind of oil level balancer, comprising:
Housing in cylindricality;
The entrance sleeve be communicated with described housing and discharge connection;
The liquid of looking be arranged on described housing is taken over;
Inside stretch in the liquid-level switch in described housing;
Wherein, describedly all be positioned in the circumferential side wall of described housing depending on liquid adapter, described entrance sleeve and described discharge connection, described discharge connection is provided with the flange for being communicated with compressor air suction mouth, described entrance sleeve is provided with the fluorinfused nozzle for being communicated with oil eliminator, described in depending on liquid adapter be provided with liquid-sighting glass.
Preferably, described housing comprises: cylindrical shell, with the top cover of described cylinder top seal welding, and the bottom welded with described cylindrical shell bottom end seal.
Preferably, described entrance sleeve, described discharge connection and described adapter depending on liquid are all welded in described cylindrical shell; Described liquid-level switch is arranged on described top cover, and described liquid-level switch is connected by threaded engagement with described top cover.
Preferably, the center line of liquid adapter and the centerline collineation of described discharge connection is looked described in.
Preferably, the internal diameter of described entrance sleeve is less than the internal diameter of described discharge connection.
Preferably, the central axis of described entrance sleeve is in the center line of described discharge connection, and described entrance sleeve is positioned at the bottom of described discharge connection.
Preferably, described liquid-level switch is float type level switch.
Preferably, described housing is panel beating housing, and described entrance sleeve, described discharge connection and described adapter depending on liquid are panel beating pipe.
Preferably, the outer wall of described housing, the outer wall of described entrance sleeve, the outer wall of described discharge connection and the described outer wall depending on liquid adapter all have overcoat.
Based on the above-mentioned oil level balancer provided, the utility model additionally provides a kind of refrigeration unit, this refrigeration unit comprises: compressor, be arranged at the oil eliminator on described compressor exhaust pipe, oil level balancer as described in above-mentioned any one, communicates to connect with described liquid-level switch and controls the control system of the inflow oil mass of described oil level balancer.
The operation principle of the oil level balancer that the utility model provides is: entered in housing by fluorinfused nozzle, entrance sleeve from oil eliminator oil out, then enter in compressor by discharge connection, ring flange, realize oil return.The recirculating oil quantity of compressor is controlled by liquid-level switch, concrete, closure signal is exported when the liquid level in housing exceedes liquid level warning line, when the liquid level in housing exports cut-off signal lower than during liquid level warning line, then the control system of refrigeration unit effectively can control the balance of oil level in oil level balancer according to closure signal and cut-off signal, thus controls recirculating oil quantity.Liquid-sighting glass is for observing the liquid level in housing.
The oil level balancer that the utility model provides, achieve the oil return of compressor, and in installation process, only need connect the fluorinfused nozzle of oil eliminator and oil level balancer, and the flange of compressor and oil level balancer, comparatively prior art is compared, effectively reduce line arrangement, thus simplify the structure, and then simplify installation.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The stereogram of the oil level balancer that Fig. 1 provides for the utility model embodiment;
The top view of the oil level balancer that Fig. 2 provides for the utility model embodiment;
The side view of the oil level balancer that Fig. 3 provides for the utility model embodiment;
Fig. 4 is that the A-A of Fig. 3 is to sectional view.
In upper Fig. 1-Fig. 4:
1 being housing, 11 being top cover, 12 be cylindrical shell, 13 be bottom, 2 being liquid-sighting glass for looking liquid adapter, 3,4 be fluorinfused nozzle, 5 be entrance sleeve, 6 be discharge connection, 7 be flange, 8 for liquid-level switch.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The oil level balancer that the utility model embodiment provides comprises: cylindrical housing 1; The entrance sleeve 5 be communicated with housing 1 and discharge connection 6; Be arranged at and housing 1 looks liquid adapter 2; Inside stretch in the liquid-level switch 8 in housing 1; Wherein, all be positioned in the circumferential side wall of housing 1 depending on liquid adapter 2, entrance sleeve 5 and discharge connection 6, discharge connection 6 is provided with the flange 7 for being communicated with compressor air suction mouth, and entrance sleeve 5 is provided with the fluorinfused nozzle 4 for being communicated with oil eliminator, and liquid adapter 2 is provided with liquid-sighting glass 3.Be understandable that, liquid-level switch 8 can send signal according to the liquid level in housing 1.
The operation principle of above-mentioned oil level balancer is: entered in housing 1 by fluorinfused nozzle 4, entrance sleeve 5 from oil eliminator oil out, then enter in compressor by discharge connection 6, flange 7, realize oil return.The recirculating oil quantity of compressor is controlled by liquid-level switch 8, concrete, closure signal is exported when the liquid level in housing 1 exceedes liquid level warning line, when the liquid level in housing 1 exports cut-off signal lower than during liquid level warning line, then the control system of refrigeration unit effectively can control the balance of oil level according to closure signal and cut-off signal, thus controls recirculating oil quantity.Liquid-sighting glass 3 is for observing the liquid level in housing 1.
The oil level balancer that the utility model embodiment provides, achieve the oil return of compressor, and in installation process, only need connect the fluorinfused nozzle 4 of oil eliminator and oil level balancer, and the flange 7 of compressor and oil level balancer, comparatively prior art is compared, effectively reduce line arrangement, thus simplify the structure, and then simplify installation.
The oil level balancer that the utility model embodiment provides, structure is comparatively simple, and convenient production and manufacture, can realize batch production; Meanwhile, manufacturing cost is lower, is beneficial to popularization.
For the ease of installing, prioritizing selection housing 1 comprises: cylindrical shell 12, the top cover 11 welded with cylindrical shell 12 end sealing, the bottom 13 welded with cylindrical shell 12 bottom end seal.Certainly, bottom 13 and cylindrical shell 12 also can be selected to be integral type structure.
Further, above-mentioned oil level balancer, entrance sleeve 5, discharge connection 6 and be all welded in cylindrical shell 12 depending on liquid adapter 2; Liquid-level switch 8 is arranged on top cover 11, and liquid-level switch 8 is connected by threaded engagement with top cover 11.Certainly, also optionally connected mouth structure 5, discharge connection 6, look liquid adapter 2 and cylindrical shell 12 is integral type structure.
For the ease of observing the liquid level in housing 1, prioritizing selection looks the center line of liquid adapter 2 and the centerline collineation of discharge connection 6.Further, the internal diameter depending on liquid adapter 2 is not less than the internal diameter of discharge connection 6, is more convenient for observing the liquid level in housing 1.Certainly, also can select to look liquid adapter 2 higher than discharge connection 6, be not limited to above-mentioned set-up mode.
In order to improve the performance of oil level balancer, the internal diameter of prioritizing selection entrance sleeve 5 is less than the internal diameter of discharge connection 6.Further, the central axis of entrance sleeve 5 is in the center line of discharge connection 6, and entrance sleeve 5 is positioned at the bottom of discharge connection 6.Certainly, the relative position relation of entrance sleeve 5 and discharge connection 6, is not limited thereto, and also can select the central axis of entrance sleeve 5 when the center line of discharge connection 6, the center line of entrance sleeve 5 and the center line of discharge connection 6 coplanar; Also the center line of entrance sleeve 5 and the centerline collineation of discharge connection 6 can be selected.
The kind of liquid-level switch 8 is more, and the oil level balancer that the utility model embodiment provides, can select according to actual needs.Conveniently detect liquid level, prioritizing selection liquid-level switch 8 is float type level switch.Concrete, the structure of float type level switch, as shown in Figure 4, float type level switch realizes the transmission of switching signal by fluctuating of ball float, when ball float exports closure signal higher than during liquid level warning line, when ball float exports cut-off signal lower than during liquid level warning line, signal through connecting wire transmission in the control system of unit, thus effectively realizes the balance controlling oil level.Be understandable that, the height of ball float is the liquid level in housing 1.
Conveniently draw materials, prioritizing selection housing 1 is panel beating housing, concrete, and cylindrical shell 12 is panel beating cylindrical shell, and top cover 11 and bottom 13 are panel beating lid; Entrance sleeve 5, discharge connection 6 and be panel beating pipe depending on liquid adapter 2.Certainly, above-mentioned material is not limited thereto, and also can select cylindrical shell 12, top cover 11, bottom 13, entrance sleeve 5, discharge connection 6 and look liquid adapter 2 to adopt other materials, such as stainless steel.
In above-mentioned oil level balancer, fluorinfused nozzle 4 is connected by threaded engagement with entrance sleeve 5, and flange 7 and discharge connection 6 are weldingly connected.Certainly, also can select other connected modes, such as fluorinfused nozzle 4 and entrance sleeve 5 interference fit, flange 7 and discharge connection 6 are integral type structure.
In order to improve antirust and Corrosion Protection, the outer wall of the outer wall of prioritizing selection housing 1, the outer wall of entrance sleeve 5, discharge connection 6 and all have overcoat depending on the outer wall of liquid adapter 2, like this, effectively improves service life and the aesthetics of this oil level balancer.For overcoat, can be enamelled coating, also can be the coating that other have rust resistance and corrosion resistance performance, the utility model embodiment does not limit this.
Based on the oil level balancer that above-described embodiment provides, the utility model embodiment still provides a kind of refrigeration unit, this refrigeration unit comprises: compressor, be arranged at the oil eliminator on compressor exhaust pipe, oil level balancer described in above-mentioned any one, communicates to connect with liquid-level switch 8 and controls the control system of the inflow oil mass of oil level balancer.
The oil level balancer provided due to above-described embodiment has above-mentioned technique effect, the refrigeration unit that the utility model embodiment provides has above-mentioned oil level balancer, the refrigeration unit that then the utility model embodiment provides also has corresponding technique effect, repeats no more herein.
It should be noted that, in above-mentioned refrigeration unit, signal control to the inflow oil mass of oil level balancer by magnetic valve or the realization of other control valves that control system sends according to oil level balancer.Concrete, magnetic valve or other be adjustablely arranged on entrance sleeve 5, also can be arranged on the outlet of oil eliminator, the utility model embodiment does not limit this.
To the above-mentioned explanation of the disclosed embodiments, those skilled in the art are realized or uses the utility model.To be apparent for a person skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. an oil level balancer, is characterized in that, comprising:
Housing (1) in cylindricality;
The entrance sleeve (5) be communicated with described housing (1) and discharge connection (6);
The liquid of looking be arranged on described housing (1) takes over (2);
Inside stretch in the liquid-level switch (8) in described housing (1);
Wherein, describedly all be positioned in the circumferential side wall of described housing (1) depending on liquid adapter (2), described entrance sleeve (5) and described discharge connection (6), described discharge connection (6) is provided with the flange (7) for being communicated with compressor air suction mouth, described entrance sleeve (5) is provided with the fluorinfused nozzle (4) for being communicated with oil eliminator, described in depending on liquid adapter (2) be provided with liquid-sighting glass (3).
2. oil level balancer according to claim 1, it is characterized in that, described housing (1) comprising: cylindrical shell (12), the top cover (11) welded with described cylindrical shell (12) end sealing, the bottom (13) welded with described cylindrical shell (12) bottom end seal.
3. oil level balancer according to claim 2, is characterized in that, described entrance sleeve (5), described discharge connection (6) and described depending on liquid adapter (2) be all welded in described cylindrical shell (12); Described liquid-level switch (8) is arranged on described top cover (11), and described liquid-level switch (8) is connected by threaded engagement with described top cover (11).
4. oil level balancer according to claim 1, is characterized in that, described in look the liquid adapter center line of (2) and the centerline collineation of described discharge connection (6).
5. oil level balancer according to claim 1, is characterized in that, the internal diameter of described entrance sleeve (5) is less than the internal diameter of described discharge connection (6).
6. oil level balancer according to claim 5, it is characterized in that, the central axis of described entrance sleeve (5) is in the center line of described discharge connection (6), and described entrance sleeve (5) is positioned at the bottom of described discharge connection (6).
7. oil level balancer according to claim 1, is characterized in that, described liquid-level switch (8) is float type level switch.
8. according to the oil level balancer in claim 1-7 described in any one, it is characterized in that, described housing (1) is panel beating housing, described entrance sleeve (5), described discharge connection (6) and described depending on liquid adapter (2) be panel beating pipe.
9. oil level balancer according to claim 8, it is characterized in that, outer wall and the described outer wall depending on liquid adapter (2) of the outer wall of described housing (1), the outer wall of described entrance sleeve (5), described discharge connection (6) all have overcoat.
10. a refrigeration unit, it is characterized in that, comprise: compressor, be arranged at the oil eliminator on described compressor exhaust pipe, as the oil level balancer in claim 1-9 as described in any one, communicate to connect with described liquid-level switch (8) and control the control system of the inflow oil mass of described oil level balancer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420708273.7U CN204240660U (en) | 2014-11-21 | 2014-11-21 | Oil level balancer and refrigeration unit with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420708273.7U CN204240660U (en) | 2014-11-21 | 2014-11-21 | Oil level balancer and refrigeration unit with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204240660U true CN204240660U (en) | 2015-04-01 |
Family
ID=52770146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420708273.7U Active CN204240660U (en) | 2014-11-21 | 2014-11-21 | Oil level balancer and refrigeration unit with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204240660U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109755066A (en) * | 2019-02-28 | 2019-05-14 | 珠海格力电器股份有限公司 | Liquid level switch and compressor with same |
| CN117433189A (en) * | 2023-11-30 | 2024-01-23 | 浙江红五环机械股份有限公司 | Auxiliary oil return device for oil balance of double-full-closed screw compressor |
-
2014
- 2014-11-21 CN CN201420708273.7U patent/CN204240660U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109755066A (en) * | 2019-02-28 | 2019-05-14 | 珠海格力电器股份有限公司 | Liquid level switch and compressor with same |
| CN109755066B (en) * | 2019-02-28 | 2020-03-10 | 珠海格力电器股份有限公司 | Liquid level switch and compressor with same |
| CN117433189A (en) * | 2023-11-30 | 2024-01-23 | 浙江红五环机械股份有限公司 | Auxiliary oil return device for oil balance of double-full-closed screw compressor |
| CN117433189B (en) * | 2023-11-30 | 2024-06-07 | 浙江红五环机械股份有限公司 | Auxiliary oil return device for oil balance of double-full-closed screw compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |