CN109296540A - Liquid level regulation device, compressor housing and compressor - Google Patents
Liquid level regulation device, compressor housing and compressor Download PDFInfo
- Publication number
- CN109296540A CN109296540A CN201811117828.XA CN201811117828A CN109296540A CN 109296540 A CN109296540 A CN 109296540A CN 201811117828 A CN201811117828 A CN 201811117828A CN 109296540 A CN109296540 A CN 109296540A
- Authority
- CN
- China
- Prior art keywords
- compressor housing
- compressor
- ontology
- liquid level
- regulating device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 59
- 230000033228 biological regulation Effects 0.000 title claims abstract description 32
- 230000001105 regulatory effect Effects 0.000 claims abstract description 56
- 230000006835 compression Effects 0.000 claims abstract description 17
- 238000007906 compression Methods 0.000 claims abstract description 17
- 238000000465 moulding Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 2
- 238000009413 insulation Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000003196 chaotropic effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 11
- 239000003507 refrigerant Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 206010057855 Hypotelorism of orbit Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/30—Casings or housings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
Abstract
The present invention provides a kind of liquid level regulation device, compressor housing and compressors, are related to Compressor Technology field, solve compressor terminal chaotropic body medium liquid level and closely the technical issues of insulation resistance sharply becomes smaller easily occur very much.The liquid level regulation device includes regulating device ontology, regulating device ontology is arranged in compressor housing bottom, there is cavity volume in regulating device ontology, setting is connected between cavity volume and compression case intracoelomic cavity, at least partly liquid medium in compression case body is directed in cavity volume to increase distance between the liquid medium liquid level in the termination on compressor housing and compression case body.The present invention provides a kind of being easy to get, not changing compressor mounting height, screw compressors for can reduce oil level, using the downwardly projecting mode of shell, partially liq medium is enabled to be filled into the position of shell protrusion, avoiding the problem that compressor, insulation resistance sharply becomes smaller in the quiescent state, meets electrical requirement.
Description
Technical field
The present invention relates to Compressor Technology fields, more particularly, to a kind of liquid level regulation device, compressor housing and compression
Machine.
Background technique
The binding post of existing major part horizontal type scroll compressor is the hull outside for being arranged horizontally in compressor, this wiring
Column arragement construction makes compressor access very convenient wiring after air-conditioning system.
Applicants have discovered that at least having the following technical problems in the prior art:
As shown in Figure 1, due to, the mixture of lubricant in compressor and refrigerant is located at compressor housing intracavity bottom, and
The liquid mixture has certain depth, and binding post is arranged horizontally in the arrangement in the middle part of compressor housing, is easy to cause
The liquid level of lubricating oil and refrigerant mixture inside compressor touches binding post or too close binding post, to compress
The case where machine insulating resistance value sharply declines, the problem of causing electrical safety not cross examination, are badly in need of solving；As shown in Fig. 2, existing
The exhaust pipe being arranged on some compressor housings is located at end cap circumference, in order to get out of the way the mounting portion being located in shell and end cap
Part, then end cap height needs to increase, and not only increases material utilization amount, and increase equipment cost.
Summary of the invention
The purpose of the present invention is to provide liquid level regulation device, compressor housing and compressors, to solve in the prior art
Existing compressor terminal chaotropic body medium liquid level is too close and the technical issues of insulation resistance sharply becomes smaller easily occurs.
To achieve the above object, the present invention provides following technical schemes:
A kind of liquid level regulation device provided by the invention, including regulating device ontology, the regulating device ontology setting exist
Compressor housing bottom, the regulating device ontology is interior to have cavity volume, connects between the cavity volume and compression case intracoelomic cavity
Logical to be arranged, at least partly liquid medium in compression case body is directed in the cavity volume to make on compressor housing
Distance increases between liquid medium liquid level in termination and compression case body.
As a further improvement of the present invention, the regulating device ontology is the trough body structure of open top.The groove body knot
The vertical sectional shape of structure can be rectangle, semicircle, half elliptic, trapezoidal, half positive six face shape, up-side down triangle or other shapes,
Or the cavity volume vertical sectional shape of trough body structure is rectangle semicircle, half elliptic, trapezoidal, half positive six face shape, up-side down triangle
Or other shapes, the shape of certain regulating device ontology and cavity volume be not limited to it is above enumerate it is several.
As a further improvement of the present invention, the regulating device body length is not more than compression case body length.
As a further improvement of the present invention, the regulating device body length is less than compression case body length, that is, adjusts
Volume cavity length in device noumenon is less than compressor housing cavity length.
As a further improvement of the present invention, the regulating device body length is equal to compression case body length, that is, adjusts
Volume cavity length in device noumenon is equal to compressor housing cavity length.
A kind of compressor housing provided by the invention, including the termination that is arranged on the compressor housing and
The liquid level regulation device of the compressor housing bottom is set.
As a further improvement of the present invention, the compressor housing includes shell ontology and is arranged at shell ontology both ends
End cap, the termination is mounted in the middle part of the shell outer body；The liquid level regulation device is arranged in the shell ontology
Bottom.
As a further improvement of the present invention, the compressor housing includes shell ontology and is arranged at shell ontology both ends
End cap, the termination is mounted in the middle part of the shell outer body；The liquid level regulation device is arranged in the shell ontology
With the end cap bottom.
As a further improvement of the present invention, the regulating device ontology is an integral molding structure with the shell ontology, and
The regulating device body length is not more than the shell body length.The regulating device ontology be the shell ontology part or
The trough body structure that whole bottoms are downwardly protrude to form, trough body structure length can be for less than shell body lengths, or groove body
Structure length is equal to shell body length.Since there are also end caps at shell ontology both ends, trough body structure only is set in shell body bottom portion, it is described
Trough body structure length is less than the total length of compressor housing.
As a further improvement of the present invention, the regulating device ontology and the shell ontology, the regulating device ontology
It is an integral molding structure with the end cap, and the regulating device ontology is identical as the compression case body length.The tune
Regulating device ontology is the trough body structure that the end cap at the shell ontology and both ends is downwardly protrude to form, trough body structure length with
Compression case body length is identical, and the downwardly projecting position on end cap forms the both ends side wall of trough body structure, and shell body bottom portion is downward
Protruding parts forms the two sides side wall and bottom plate of trough body structure, is formed completely by the combination of shell ontology and end cap protruding parts
The trough body structure with cavity volume.
As a further improvement of the present invention, the compressor housing is horizontal type structure.
As a further improvement of the present invention, the termination is mounted in the compressor housing level more than axial plane
Outer wall on.
As a further improvement of the present invention, the termination is horizontally disposed binding post.
As a further improvement of the present invention, exhaust pipe is provided on the axial end face of the end cap.
A kind of compressor provided by the invention, including the compressor housing.
As a further improvement of the present invention, the compressor is horizontal type scroll compressor.
As a further improvement of the present invention, the horizontal type scroll compressor is vehicular.
Compared with prior art, the present invention has the following advantages:
The present invention is by being integrally formed a downwardly projecting regulating device, tool in regulating device in compressor housing bottom
There is cavity volume, parts of lubricating oil and refrigerant in compression case intracoelomic cavity are made in the case where not changing compressor mounting height
Mixing liquid can fill be flowed into housing bottom protrusion position i.e. regulating device in, thus realize reduce oil level effect
Fruit effectively solves the problems, such as compressor terminal apart from oil level hypotelorism, increase between binding post and oil level away from
From, to avoid the problem that compressor, insulation resistance sharply becomes smaller in the quiescent state, meet vehicle-mounted compression electrical-mechanical requirement, this
The there is provided regulating device of invention is readily available and structure is simple, is suitable for large range promotion use.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the main view of horizontal type scroll compressor shell in the prior art；
Fig. 2 is the side view of Fig. 1；
Fig. 3 is the right side structure schematic diagram of the first embodiment of liquid level regulation device of the present invention；
Fig. 4 is AA cross section view in Fig. 3；
Fig. 5 is the left side structure schematic diagram of the first embodiment of liquid level regulation device of the present invention；
Fig. 6 is the top view of the first embodiment of liquid level regulation device of the present invention；
Fig. 7 is the right side structure schematic diagram of second of embodiment of liquid level regulation device of the present invention；
Fig. 8 is BB cross section view in Fig. 7；
Fig. 9 is the left side structure schematic diagram of second of embodiment of liquid level regulation device of the present invention.
1 in figure, regulating device ontology；2, compressor housing；21, shell ontology；22, end cap；3, termination；4, it is vented
Pipe；5, pedestal；100, liquid medium；200, liquid level.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
Embodiment 1:
As shown in figure 3, the present invention provides a kind of liquid level regulation device, including regulating device ontology 1, regulating device
The setting of ontology 1 has cavity volume, cavity volume and 2 inner cavity of compressor housing in 2 bottom of compressor housing, regulating device ontology 1
Between be connected to setting, at least partly liquid medium in compressor housing 2 is directed in cavity volume to make compressor housing 2
On termination 3 and compressor housing 2 in liquid medium 100 liquid level 200 between distance increase.The present invention is by by portion
The mixed liquor of lubricating oil and refrigerant of sharing in the benefit is filled into the regulating device ontology 1 of 2 bottom of compressor housing, to reduce oil level
200, it can effectively solve the problem of binding post is close to oil level 200 on compressor housing 2, make the spacing of binding post Yu liquid level 200
From increase, to avoid the problem that compressor, insulation resistance sharply becomes smaller in the quiescent state, meets vehicle-mounted compression electrical-mechanical use and wants
It asks.
As shown in figure 4, regulating device ontology 1 is the trough body structure of open top, the vertical sectional shape of the trough body structure can
Think the appearance of rectangle, semicircle, half elliptic, trapezoidal, half positive six face shape, up-side down triangle or other shapes or trough body structure
Product chamber vertical sectional shape is rectangle semicircle, half elliptic, trapezoidal, half positive six face shape, up-side down triangle or other shapes, is adjusted certainly
The shape of regulating device ontology 1 and cavity volume be not limited to it is above enumerate it is several；When need to reduce the height of liquid level 200 it is small when, can
It is less than the technical solution of 2 length of compressor housing using 1 length of regulating device ontology；When need to reduce the height of liquid level 200 it is big when,
1 length of regulating device ontology can be used equal to 2 length of compressor housing, to be that the liquid flowed into regulating device ontology 1 is situated between
Matter two increases, so that 200 height of liquid level be greatly reduced.
As shown in fig. 6, the present invention provides a kind of compressor housing, including the wiring dress being arranged on compressor housing 2
It sets 3 and the liquid level regulation device of 2 bottom of compressor housing is set.2 bottom of compressor housing is located at liquid level regulation device
Outside is provided with pedestal 5, and liquid level regulation device height is no more than 5 height of pedestal.So that not changing compressor housing installation
By the way that the liquid level that can be imported into partially liq medium between 2 bottom of pedestal and compressor housing is arranged in the case where height
Technical solution in regulating device realizes the effect for reducing oil level, increases the distance between binding post and liquid level 200, keeps away
Exempt from insulating resistance value and draws the problem of sharply declining caused by hypotelorism.Technical solution of the present invention do not reduce oil mass,
Be not in fuel delivery deficiency problem under the premise of, effectively make oil level far from binding post, reduce binding post and refrigerant contact
A possibility that.
As shown in figure 4, compressor housing 2 includes shell ontology 21 and the end cap that 21 both ends of shell ontology are arranged in the present invention
22, in order to facilitate wiring, termination 3 is mounted on the corresponding lateral wall in 2 trunnion axis face of shell ontology, and termination 3 is along shell
21 axial direction of ontology is horizontally disposed；Due to the end cap 22 of compressor housing 2 including shell ontology 21 and both ends, then compressor housing
2 length are equal to the sum of the length of 21 length of shell ontology and both ends end cap 22, in order to save material, reduce manufacturing procedure, to
The length for the regulating device ontology 1 that lower protrusion is formed can be different from 2 length of compressor housing；It can select to adjust according to actual needs
Relationship between 2 length of 1 length of device basic body and compressor housing.
When 1 length of regulating device ontology is less than 2 length of compressor housing, liquid level regulation device is arranged at 21 bottom of shell ontology
Portion, the trough body structure being downwardly protrude to form for some or all of shell ontology 21 bottom；Liquid level regulation device ontology 1 is located at shell sheet
It include following two specific design scheme when 21 bottom of body, the first is technical solution as shown in Figure 4, regulating device ontology 1
It being an integral molding structure with shell ontology 21,21 bottom regional area of shell ontology is downwardly protrude to form liquid level regulation device ontology 1,
1 length of liquid level regulation device ontology is less than 21 length of shell ontology in the program.Bottom regional area is downward when shell ontology 21 is processed
Protrusion forms regulating device ontology 1, and the width of regulating device ontology 1 is less than 21 diameter of shell ontology；(show not in the drawings for second
It is out) that regulating device ontology 1 is an integral molding structure with shell ontology 21,21 bottom whole length direction of shell ontology is downwardly projecting
Liquid level regulation device ontology 1 is formed, 1 length of liquid level regulation device ontology is equal to 21 length of shell ontology in this scenario.Shell ontology
Bottom is all downwardly protrude to form regulating device ontology 1 when 21 processing, and it is straight that the width of regulating device ontology 1 is less than shell ontology 21
Diameter.
As optional embodiment, termination 3 is horizontally disposed binding post.And in the present invention, compressor housing
For horizontal type structure.
The present invention is also mounted on shell sheet using binding post to further increase the distance between binding post and liquid level 200
The technical solution installed in 180 ° of the angular range that 21 central horizontal axis of body faces upward is as shown in fig. 6, improve compression to reach
The height of machine binding post, the oil level 200 far from compressor are final to solve under compressor static state because of binding post distance
The problem of oil level 200 is too close or contacts with each other with oil level 200, insulating resistance value is caused sharply to decline
In the present invention, exhaust pipe 4 is provided on the axial end face of end cap 22, can be reduced the height of end cap 22, realizes drop
The purpose of low material cost.
The present invention provides a kind of compressor, including compressor housing 2, above-mentioned compressor is horizontal type scroll compressor,
And the horizontal type scroll compressor is vehicular.
Embodiment 2:
Embodiment 2 and the difference of embodiment 1 are only that liquid level regulation device is arranged at 22 bottom of 21 bottom of shell ontology and end cap
Portion, regulating device ontology 1 are an integral molding structure with shell ontology 21, regulating device ontology 1 and end cap 22, the embodiment 2
Tool there are two types of optional design scheme, the first, as shown in figs. 7 to 9, the setting of regulating device ontology 1 in 21 bottom of shell ontology and
Two 22 bottoms of end cap, i.e. shell ontology 21 and two 22 bottoms of end cap are downwardly projecting, and are stitched together and to form regulating device
Ontology 1, the downwardly projecting position on end cap 22 form the both ends side wall of trough body structure, the downwardly projecting position shape in 22 bottom of shell ontology
At the two sides side wall and bottom plate of trough body structure, being formed by the combination of 22 protruding parts of shell ontology 21 and end cap completely has
The trough body structure of cavity volume.Second (attached to be not shown in the figure), the setting of regulating device ontology 1 is one in 21 bottom of shell ontology and wherein
A 22 bottom of end cap.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (13)
1. a kind of liquid level regulation device, it is characterised in that: including regulating device ontology (1), regulating device ontology (1) setting
In compressor housing (2) bottom, there is cavity volume in the regulating device ontology (1), the cavity volume and compressor housing (2)
Setting is connected between inner cavity, at least partly liquid medium (100) in compressor housing (2) be directed in the cavity volume from
And make distance between the liquid medium liquid level (200) in the termination (3) on compressor housing (2) and compressor housing (2)
Increase.
2. liquid level regulation device according to claim 1, it is characterised in that: the regulating device ontology (1) is spacious for top
The trough body structure of mouth.
3. liquid level regulation device according to claim 2, it is characterised in that: regulating device ontology (1) length is little
In compressor housing (2) length.
4. a kind of compressor housing, it is characterised in that: including be arranged termination (3) on the compressor housing (2), with
And setting is in the liquid level regulation device a method according to any one of claims 1-3 (300) of the compressor housing (2) bottom.
5. compressor housing according to claim 4, it is characterised in that: the compressor housing (2) includes shell ontology
(21) and the end cap (22) at shell ontology (21) both ends is set, the termination (3) is mounted on the shell ontology (21)
Outer middle side part；The liquid level regulation device (300) is arranged in shell ontology (21) bottom.
6. compressor housing according to claim 4, it is characterised in that: the compressor housing (2) includes shell ontology
(21) and the end cap (22) at shell ontology (21) both ends is set, the termination (3) is mounted on the shell ontology (21)
Outer middle side part；The liquid level regulation device (300) is arranged in the shell ontology (21) and the end cap (22) bottom.
7. compressor housing according to claim 5, it is characterised in that: the regulating device ontology (1) and the shell sheet
Body (21) is an integral molding structure, and regulating device ontology (1) length is not more than shell ontology (21) length.
8. compressor housing according to claim 6, it is characterised in that: the regulating device ontology (1) and the shell sheet
Body (21), the regulating device ontology (1) and the end cap (22) are an integral molding structure, and the regulating device ontology
(1) identical as the compressor housing (2) length.
9. compressor housing according to claim 8, it is characterised in that: the compressor housing (2) is horizontal type structure.
10. compressor housing according to claim 9, it is characterised in that: the termination (3) is mounted on the compression
On outer wall in casing body (2) level more than axial plane.
11. compressor housing according to claim 5 or 6, it is characterised in that: set on the axial end face of the end cap (22)
It is equipped with exhaust pipe (4).
12. a kind of compressor, it is characterised in that: including the compressor housing (1) as described in claim 5-11 is any.
13. compressor according to claim 12, it is characterised in that: the compressor is horizontal type scroll compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811117828.XA CN109296540A (en) | 2018-09-25 | 2018-09-25 | Liquid level regulation device, compressor housing and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811117828.XA CN109296540A (en) | 2018-09-25 | 2018-09-25 | Liquid level regulation device, compressor housing and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109296540A true CN109296540A (en) | 2019-02-01 |
Family
ID=65164202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811117828.XA Pending CN109296540A (en) | 2018-09-25 | 2018-09-25 | Liquid level regulation device, compressor housing and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109296540A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU4938872A (en) * | 1971-12-01 | 1974-05-30 | Airfina Etablissements | Single-stage or multistage rotary compressor |
| CN102374153A (en) * | 2010-08-19 | 2012-03-14 | 大连冷星企业有限公司 | Screw-type and piston-type combined double-stage compressor set and intermediate container |
| CN102725527A (en) * | 2010-01-29 | 2012-10-10 | 三电有限公司 | Fluid machinery |
| CN203926024U (en) * | 2014-06-26 | 2014-11-05 | 珠海凌达压缩机有限公司 | A kind of horizontal compressor |
| CN204126896U (en) * | 2014-09-12 | 2015-01-28 | 上海日立电器有限公司 | Compressor lower cover structure |
| CN105090041A (en) * | 2014-04-29 | 2015-11-25 | 开利公司 | Screw compressor possessing oil separator and water chilling unit |
| CN208950868U (en) * | 2018-09-25 | 2019-06-07 | 珠海凌达压缩机有限公司 | Liquid level regulation device, compressor housing and compressor |
-
2018
- 2018-09-25 CN CN201811117828.XA patent/CN109296540A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU4938872A (en) * | 1971-12-01 | 1974-05-30 | Airfina Etablissements | Single-stage or multistage rotary compressor |
| CN102725527A (en) * | 2010-01-29 | 2012-10-10 | 三电有限公司 | Fluid machinery |
| CN102374153A (en) * | 2010-08-19 | 2012-03-14 | 大连冷星企业有限公司 | Screw-type and piston-type combined double-stage compressor set and intermediate container |
| CN105090041A (en) * | 2014-04-29 | 2015-11-25 | 开利公司 | Screw compressor possessing oil separator and water chilling unit |
| CN203926024U (en) * | 2014-06-26 | 2014-11-05 | 珠海凌达压缩机有限公司 | A kind of horizontal compressor |
| CN204126896U (en) * | 2014-09-12 | 2015-01-28 | 上海日立电器有限公司 | Compressor lower cover structure |
| CN208950868U (en) * | 2018-09-25 | 2019-06-07 | 珠海凌达压缩机有限公司 | Liquid level regulation device, compressor housing and compressor |
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