CN109296540B - Liquid level regulating device, compressor housing and compressor - Google Patents
Liquid level regulating device, compressor housing and compressor Download PDFInfo
- Publication number
- CN109296540B CN109296540B CN201811117828.XA CN201811117828A CN109296540B CN 109296540 B CN109296540 B CN 109296540B CN 201811117828 A CN201811117828 A CN 201811117828A CN 109296540 B CN109296540 B CN 109296540B
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- Prior art keywords
- compressor
- shell
- liquid level
- housing
- adjusting device
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
Abstract
The invention provides a liquid level adjusting device, a compressor shell and a compressor, relates to the technical field of compressors, and solves the technical problem that insulation resistance is suddenly reduced due to the fact that a binding post of the compressor is too close to the liquid level of a liquid medium. The liquid level regulating device comprises a regulating device body, wherein the regulating device body is arranged at the bottom of a compressor shell, a volume cavity is formed in the regulating device body, the volume cavity is communicated with the inner cavity of the compressor shell, and at least part of liquid medium in the compressor shell is led into the volume cavity, so that the distance between a wiring device on the compressor shell and the liquid level of the liquid medium in the compressor shell is increased. The invention provides a vortex compressor which is easy to obtain, does not change the mounting height of the compressor, can reduce the oil liquid level, adopts a shell downward bulge mode, ensures that part of liquid medium can be filled into the bulge part of the shell, avoids the problem that the insulation resistance of the compressor is suddenly reduced under static state, and meets the electric use requirement.
Description
Technical Field
The invention relates to the technical field of compressors, in particular to a liquid level adjusting device, a compressor shell and a compressor.
Background
Most of the binding posts of the existing horizontal scroll compressor are horizontally arranged outside a shell of the compressor, and the binding posts are arranged in a structure that the compressor is convenient to wire after being connected into an air conditioning system.
The present inventors found that at least the following technical problems exist in the prior art:
as shown in FIG. 1, the mixture of lubricating oil and refrigerant in the compressor is positioned at the bottom of the inner cavity of the compressor shell, and the liquid mixture has a certain depth, the arrangement mode of horizontally arranging the binding post in the middle of the compressor shell easily causes the liquid level of the mixture of the lubricating oil and the refrigerant in the compressor to be contacted with the binding post or be too close to the binding post, so that the situation that the insulation resistance value of the compressor is suddenly reduced and the electric safety is not checked and accepted is caused, and as shown in FIG. 2, the exhaust pipe arranged on the existing compressor shell is positioned at the circumference side of the end cover, so that the height of the end cover is required to be increased in order to make the installation parts positioned in the shell and the end cover be opened, the material consumption is increased, and the equipment cost is increased.
Disclosure of Invention
The invention aims to provide a liquid level adjusting device, a compressor shell and a compressor, and aims to solve the technical problem that in the prior art, a compressor binding post is too close to the liquid level of a liquid medium, so that insulation resistance is easy to suddenly decrease.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the invention provides a liquid level regulating device which comprises a regulating device body, wherein the regulating device body is arranged at the bottom of a compressor shell, a volume cavity is arranged in the regulating device body, the volume cavity is communicated with the inner cavity of the compressor shell, and at least part of liquid medium in the compressor shell is introduced into the volume cavity, so that the distance between a wiring device on the compressor shell and the liquid level of the liquid medium in the compressor shell is increased.
As a further improvement of the invention, the adjusting device body is of a groove body structure with an open top. The longitudinal section of the tank body structure can be rectangular, semicircular, semi-elliptic, trapezoid, semi-regular hexahedral, inverted triangle or other shapes, or the longitudinal section of the volume cavity of the tank body structure can be rectangular semicircular, semi-elliptic, trapezoid, semi-regular hexahedral, inverted triangle or other shapes, and the shapes of the adjusting device body and the volume cavity are not limited to the above listed ones.
As a further development of the invention, the adjusting device body length is no greater than the compressor housing length.
As a further development of the invention, the length of the adjusting device body is smaller than the length of the compressor housing, i.e. the length of the volume chamber on the adjusting device body is smaller than the length of the inner chamber of the compressor housing.
As a further development of the invention, the length of the adjusting device body is equal to the length of the compressor housing, i.e. the length of the volume chamber on the adjusting device body is equal to the length of the inner chamber of the compressor housing.
The invention provides a compressor shell, which comprises a wiring device arranged on the compressor shell and a liquid level adjusting device arranged at the bottom of the compressor shell.
As a further improvement of the invention, the compressor shell comprises a shell body and end covers arranged at two ends of the shell body, the wiring device is arranged in the middle of the outer side of the shell body, and the liquid level regulating device is arranged at the bottom of the shell body.
As a further improvement of the invention, the compressor shell comprises a shell body and end covers arranged at two ends of the shell body, the wiring device is arranged in the middle of the outer side of the shell body, and the liquid level regulating device is arranged at the bottoms of the shell body and the end covers.
As a further improvement of the invention, the adjusting device body and the shell body are of an integrated structure, and the length of the adjusting device body is not greater than that of the shell body. The adjusting device body is of a groove body structure formed by downward protruding of part or all of the bottom of the shell body, and the structural length of the groove body can be smaller than the length of the shell body or equal to the length of the shell body. Because the shell body both ends still have the end cover, only set up the cell body structure in shell body bottom, cell body structure length is less than the total length of compressor casing.
As a further improvement of the invention, the adjusting device body and the shell body, the adjusting device body and the end cover are all integrally formed, and the adjusting device body and the compressor shell have the same length. The regulating device body is a groove body structure formed by the shell body and the end covers at two ends in a downward protruding mode, the length of the groove body structure is the same as that of the compressor shell, the downward protruding portions on the end covers form two end side walls of the groove body structure, the downward protruding portions at the bottom of the shell body form two side walls and a bottom plate of the groove body structure, and the groove body structure with a volume cavity is formed completely through combination of the shell body and the protruding portions of the end covers.
As a further improvement of the invention, the compressor housing is of a horizontal type structure.
As a further development of the invention, the connection device is mounted on the outer wall above the horizontal center plane of the compressor housing.
As a further development of the invention, the connection device is a horizontally arranged connection post.
As a further improvement of the invention, an exhaust pipe is arranged on the axial end face of the end cover.
The invention provides a compressor, which comprises the compressor shell.
As a further improvement of the present invention, the compressor is a horizontal scroll compressor.
As a further improvement of the invention, the horizontal scroll compressor is vehicle-mounted.
Compared with the prior art, the invention has the following beneficial effects:
According to the invention, the adjusting device protruding downwards is integrally formed at the bottom of the compressor shell, the volume cavity is arranged in the adjusting device, part of mixed liquid of lubricating oil and refrigerant in the inner cavity of the compressor shell can be filled and flowed into the protruding part of the bottom of the shell, namely the adjusting device, so that the effect of reducing the oil level is realized, the problem that the distance between a binding post of the compressor and the oil level is too close is effectively solved, the distance between the binding post and the oil level is increased, the problem that the insulation resistance of the compressor is suddenly reduced in a static state is avoided, and the electric use requirement of the vehicle-mounted compressor is met.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of a prior art horizontal scroll compressor housing;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a right side schematic view of a first embodiment of the liquid level adjustment apparatus of the present invention;
FIG. 4 is a cross-sectional view of AA in FIG. 3;
FIG. 5 is a left side schematic view of a first embodiment of the liquid level adjustment apparatus of the present invention;
FIG. 6 is a top view of a first embodiment of the level adjustment apparatus of the present invention;
FIG. 7 is a right side schematic view of a second embodiment of the liquid level adjustment apparatus of the present invention;
FIG. 8 is a cross-sectional view of BB in FIG. 7;
fig. 9 is a left side schematic view of a second embodiment of the liquid level adjusting apparatus of the present invention.
1, A regulating device body, 2, a compressor shell, 21, a shell body, 22, an end cover, 3, a wiring device, 4, an exhaust pipe, 5, a base, 100, a liquid medium, 200 and a liquid level.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, based on the examples herein, which are within the scope of the invention as defined by the claims, will be within the scope of the invention as defined by the claims.
Example 1:
as shown in fig. 3, the present invention provides a liquid level adjusting device, which comprises an adjusting device body 1, wherein the adjusting device body 1 is arranged at the bottom of a compressor housing 2, a volume cavity is arranged in the adjusting device body 1, the volume cavity is communicated with the inner cavity of the compressor housing 2, and at least part of liquid medium in the compressor housing 2 is introduced into the volume cavity, so that the distance between a wiring device 3 on the compressor housing 2 and the liquid level 200 of the liquid medium 100 in the compressor housing 2 is increased. According to the invention, the mixed liquid of part of lubricating oil and refrigerant is filled into the regulating device body 1 at the bottom of the compressor shell 2, so that the oil liquid level 200 is reduced, the problem that a binding post on the compressor shell 2 is close to the oil liquid level 200 can be effectively solved, the distance between the binding post and the liquid level 200 is increased, the problem that the insulation resistance of the compressor is suddenly reduced in a static state is avoided, and the electric use requirement of the vehicle-mounted compressor is met.
As shown in fig. 4, the adjusting device body 1 is a tank body structure with an open top, the longitudinal section of the tank body structure can be rectangular, semicircular, semi-elliptic, trapezoid, semi-regular hexahedral, inverted triangle or other shapes, or the longitudinal section of the volume cavity of the tank body structure is rectangular semicircular, semi-elliptic, trapezoid, semi-regular hexahedral, inverted triangle or other shapes, of course, the shapes of the adjusting device body 1 and the volume cavity are not limited to the above listed ones, when the height of the liquid level 200 needs to be reduced for a small time, the technical scheme that the length of the adjusting device body 1 is smaller than the length of the compressor housing 2 can be adopted, and when the height of the liquid level 200 needs to be reduced for a large time, the length of the adjusting device body 1 is equal to the length of the compressor housing 2, so that the liquid medium flowing into the adjusting device body 1 is increased, and the height of the liquid level 200 is greatly reduced.
As shown in fig. 6, the present invention provides a compressor housing including a wiring device 3 provided on the compressor housing 2, and a liquid level adjusting device provided at the bottom of the compressor housing 2. The bottom of the compressor shell 2 is provided with a base 5 outside the liquid level regulating device, and the height of the liquid level regulating device is not greater than that of the base 5. The technical scheme that part of liquid medium can be guided into the liquid level adjusting device between the base and the bottom of the compressor shell 2 under the condition that the installation height of the compressor shell is not changed is adopted, the effect of reducing the liquid level of oil is achieved, the distance between the binding post and the liquid level 200 is increased, and the problem of rapid reduction caused by too short insulation resistance value guiding distance is avoided. According to the technical scheme, on the premise that the oil quantity is not reduced and the problem of insufficient oil supply is not caused, the oil surface is effectively far away from the binding post, and the possibility of contact between the binding post and the refrigerant is reduced.
In the present invention, as shown in fig. 4, the compressor housing 2 comprises a housing body 21 and end caps 22 disposed at both ends of the housing body 21, the wiring device 3 is mounted on the outer sidewall corresponding to the horizontal axial surface of the housing body 2 for convenience of wiring, and the wiring device 3 is horizontally disposed along the axial direction of the housing body 21, since the compressor housing 2 comprises the housing body 21 and the end caps 22 at both ends, the length of the compressor housing 2 is equal to the sum of the length of the housing body 21 and the length of the end caps 22 at both ends, the length of the adjusting device body 1 formed by downward protrusion can be different from the length of the compressor housing 2 for saving materials, and the relationship between the length of the adjusting device base body 1 and the length of the compressor housing 2 can be selected according to practical needs.
When the length of the adjusting device body 1 is smaller than that of the compressor shell 2, the liquid level adjusting device is arranged at the bottom of the shell body 21 and is a groove structure formed by downward protrusion of part or all of the bottom of the shell body 21, and the liquid level adjusting device body 1 is arranged at the bottom of the shell body 21 and comprises the following two specific design schemes, wherein the first scheme is that the adjusting device body 1 and the shell body 21 are in an integrated structure as shown in the technical scheme of fig. 4, and the local area of the bottom of the shell body 21 is downward protruded to form the liquid level adjusting device body 1, and in the scheme, the length of the liquid level adjusting device body 1 is smaller than that of the shell body 21. The bottom part partial area protrudes downwards to form the adjusting device body 1 when the shell body 21 is processed, the width of the adjusting device body 1 is smaller than the diameter of the shell body 21, the second type (not shown in the drawing) is that the adjusting device body 1 and the shell body 21 are of an integrated structure, the whole length direction of the bottom of the shell body 21 protrudes downwards to form the liquid level adjusting device body 1, and in the scheme, the length of the liquid level adjusting device body 1 is equal to that of the shell body 21. When the shell body 21 is processed, the bottom part of the shell body is fully protruded downwards to form the adjusting device body 1, and the width of the adjusting device body 1 is smaller than the diameter of the shell body 21.
As an alternative embodiment, the connection device 3 is a horizontally arranged connection post. In the invention, the compressor shell is of a horizontal structure.
In order to further increase the distance between the binding post and the liquid level 200, the invention adopts the technical scheme that the binding post is arranged in the angle range of 180 degrees upwards of the central horizontal axis surface of the shell body 21, as shown in fig. 6, so as to increase the height of the binding post of the compressor, and the binding post is far away from the oil level 200 in the shell body of the compressor, and finally solve the problem that the insulation resistance value is rapidly reduced due to the fact that the binding post is too close to the oil level 200 or contacts with the oil level 200 in the static state of the compressor.
In the invention, the exhaust pipe 4 is arranged on the axial end face of the end cover 22, so that the height of the end cover 22 can be reduced, and the purpose of reducing the material cost is realized.
The invention provides a compressor, which comprises a compressor shell 2, wherein the compressor is a horizontal scroll compressor, and the horizontal scroll compressor is vehicle-mounted.
Example 2:
Embodiment 2 differs from embodiment 1 only in that the liquid level adjusting device is disposed at the bottom of the shell body 21 and the bottom of the end cover 22, the adjusting device body 1 and the shell body 21, and the adjusting device body 1 and the end cover 22 are all integrally formed, and this embodiment 2 also has two alternative designs, first, as shown in fig. 7-9, the adjusting device body 1 is disposed at the bottom of the shell body 21 and the bottom of the two end covers 22, that is, the bottoms of the shell body 21 and the two end covers 22 are all protruded downwards and spliced together to form the adjusting device body 1, the downward protruded parts on the end cover 22 form the side walls of the two ends of the tank structure, the downward protruded parts on the bottom of the shell body 22 form the side walls of the two sides of the tank structure and the bottom plate, and the complete tank structure with a volume cavity is formed by the combination of the protruded parts of the shell body 21 and the end cover 22. Second, not shown in the drawings, the adjusting device body 1 is provided at the bottom of the case body 21 and at the bottom of one of the end caps 22.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The liquid level regulating device is suitable for a compressor shell, and is of a horizontal structure, and is characterized by comprising a regulating device body (1), wherein the regulating device body (1) is arranged at the bottom of the compressor shell (2), a volume cavity is formed in the regulating device body (1), the volume cavity is communicated with an inner cavity of the compressor shell (2), and at least part of liquid medium (100) in the compressor shell (2) is introduced into the volume cavity, so that the distance between a wiring device (3) on the compressor shell (2) and the liquid level (200) of the liquid medium in the compressor shell (2) is increased;
the adjusting device body (1) is of a groove body structure with an open top;
The length of the regulating device body (1) is not larger than that of the compressor shell (2), when the height of the liquid level (200) needs to be reduced, the length of the regulating device body (1) is smaller than that of the compressor shell (2), and when the height of the liquid level (200) needs to be reduced to be large, the length of the regulating device body (1) is equal to that of the compressor shell (2), so that the medium amount of liquid flowing into the regulating device body (1) is increased, and the height of the liquid level (200) is reduced.
2. A compressor housing, characterized by comprising a wiring device (3) arranged on the compressor housing (2), and a liquid level adjusting device (300) according to claim 1 arranged at the bottom of the compressor housing (2).
3. The compressor housing according to claim 2, wherein the compressor housing (2) comprises a housing body (21) and end caps (22) arranged at two ends of the housing body (21), the wiring device (3) is arranged at the middle part of the outer side of the housing body (21), and the liquid level adjusting device (300) is arranged at the bottom of the housing body (21).
4. The compressor housing according to claim 2, wherein the compressor housing (2) comprises a housing body (21) and end covers (22) arranged at two ends of the housing body (21), the wiring device (3) is arranged at the middle part of the outer side of the housing body (21), and the liquid level adjusting device (300) is arranged at the bottoms of the housing body (21) and the end covers (22).
5. A compressor housing according to claim 3, wherein the adjusting device body (1) and the housing body (21) are integrally formed, and the length of the adjusting device body (1) is not greater than the length of the housing body (21).
6. The compressor housing according to claim 4, wherein the adjusting device body (1) and the housing body (21), the adjusting device body (1) and the end cover (22) are all integrally formed, and the adjusting device body (1) and the compressor housing (2) have the same length.
7. The compressor housing according to claim 6, wherein the connection device (3) is mounted on an outer wall above the horizontal center plane of the compressor housing (2).
8. A compressor housing according to claim 3 or 4, characterized in that the end cap (22) is provided with an exhaust pipe (4) on an axial end face.
9. Compressor, characterized by comprising a compressor housing (2) according to any of claims 3-8.
10. The compressor of claim 9, wherein the compressor is a horizontal scroll compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811117828.XA CN109296540B (en) | 2018-09-25 | 2018-09-25 | Liquid level regulating device, compressor housing and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811117828.XA CN109296540B (en) | 2018-09-25 | 2018-09-25 | Liquid level regulating device, compressor housing and compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109296540A CN109296540A (en) | 2019-02-01 |
| CN109296540B true CN109296540B (en) | 2025-02-18 |
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ID=65164202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811117828.XA Active CN109296540B (en) | 2018-09-25 | 2018-09-25 | Liquid level regulating device, compressor housing and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109296540B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203926024U (en) * | 2014-06-26 | 2014-11-05 | 珠海凌达压缩机有限公司 | Horizontal compressor |
| CN208950868U (en) * | 2018-09-25 | 2019-06-07 | 珠海凌达压缩机有限公司 | Liquid level adjusting device, compressor shell and compressor |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH557958A (en) * | 1971-12-01 | 1975-01-15 | Airfina Ets | SINGLE OR MULTI-STAGE ROTATION COMPRESSOR. |
| JP2011157831A (en) * | 2010-01-29 | 2011-08-18 | Sanden Corp | Fluid machinery |
| CN102374153B (en) * | 2010-08-19 | 2014-04-02 | 大连冷星企业有限公司 | Screw-type and piston-type combined double-stage compressor set and intermediate container |
| CN105090041B (en) * | 2014-04-29 | 2019-08-06 | 开利公司 | Helical-lobe compressor and water cooler with oil eliminator |
| CN204126896U (en) * | 2014-09-12 | 2015-01-28 | 上海日立电器有限公司 | Compressor lower cover structure |
-
2018
- 2018-09-25 CN CN201811117828.XA patent/CN109296540B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203926024U (en) * | 2014-06-26 | 2014-11-05 | 珠海凌达压缩机有限公司 | Horizontal compressor |
| CN208950868U (en) * | 2018-09-25 | 2019-06-07 | 珠海凌达压缩机有限公司 | Liquid level adjusting device, compressor shell and compressor |
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| Publication number | Publication date |
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| CN109296540A (en) | 2019-02-01 |
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