CN204371674U - Compressor - Google Patents

Compressor Download PDF

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Publication number
CN204371674U
CN204371674U CN201420839002.5U CN201420839002U CN204371674U CN 204371674 U CN204371674 U CN 204371674U CN 201420839002 U CN201420839002 U CN 201420839002U CN 204371674 U CN204371674 U CN 204371674U
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CN
China
Prior art keywords
cylinder
compressor
increasing enthalpy
hole
dividing plate
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Application number
CN201420839002.5U
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Chinese (zh)
Inventor
卢林高
胡余生
魏会军
赵旭敏
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珠海格力节能环保制冷技术研究中心有限公司
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Priority to CN201420839002.5U priority Critical patent/CN204371674U/en
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Publication of CN204371674U publication Critical patent/CN204371674U/en

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Abstract

The utility model provides a kind of compressor, the lower flange comprising frame set and set gradually in frame set from top to bottom, one-level cylinder, secondary cylinder and upper flange, compressor also comprises increasing enthalpy parts, increasing enthalpy parts is arranged on frame set, compressor also comprises: the first dividing plate and second partition, first dividing plate and second partition are stacked between one-level cylinder and secondary cylinder, and the first dividing plate and one-level cylinder are fitted, and second partition and secondary cylinder are fitted; Wherein, the first dividing plate is provided with intermediate cavity, the one stage of compression gas flowed out in one-level cylinder is flowed in secondary cylinder with increasing after the increasing enthalpy gas flowed out in enthalpy parts mixes in intermediate cavity.The Hybrid TierI pressurized gas of the compressor in the utility model and the middle chamber of increasing enthalpy gas are arranged on the first dividing plate, and then shorten middle baric flow road widely, reduce the flow resistance loss of medium pressure gas, avoid simultaneously and middle chamber is set on lower flange and the problem of the middle chamber inner product Chuck Steak caused.

Description

Compressor

Technical field

The utility model relates to fluid compression field, in particular to a kind of compressor.

Background technique

At present, existing two-stage enthalpy increasing rotator type frequency-changeable compressor key structure--intermediate cavity is opened on lower flange, this can make intermediate cavity inner product Chuck Steak, causes oil recycle ratio high; Further, oil overheating degree can be caused low, affect reliability.

In addition, the middle baric flow road of compressor of the prior art runs through lower flange, one-level cylinder, dividing plate to secondary cylinder air aspiration cavity, and this can make runner longer, and then when compressor high frequency is run, flow resistance loss is comparatively large, have impact on the high frequency performance of compressor.Meanwhile, without check device on increasing enthalpy hole, easily cause medium pressure gas to reflux, affect compressor performance.

Model utility content

Main purpose of the present utility model is to provide a kind of compressor, to solve the problem of the long-pending Chuck Steak in the lower flange of compressor of the prior art.

To achieve these goals, the utility model provides a kind of compressor, the lower flange comprising frame set and set gradually in frame set from top to bottom, one-level cylinder, secondary cylinder and upper flange, compressor also comprises increasing enthalpy parts, increasing enthalpy parts is arranged on frame set, and compressor also comprises: the first dividing plate and second partition, and the first dividing plate and second partition are stacked between one-level cylinder and secondary cylinder, and the first dividing plate and one-level cylinder are fitted, second partition and secondary cylinder are fitted; Wherein, the first dividing plate is provided with intermediate cavity, the one stage of compression gas flowed out in one-level cylinder is flowed in secondary cylinder with increasing after the increasing enthalpy gas flowed out in enthalpy parts mixes in intermediate cavity.

Further, the air outlet of one-level cylinder is arranged towards the first dividing plate, the first dividing plate is provided with the one stage of compression gas import corresponding with the air outlet of one-level cylinder, and the import of one stage of compression gas is provided with exhaust valve component.

Further, second partition is provided with and is communicated with the air outlet of increasing enthalpy parts and the increasing enthalpy mouth of intermediate cavity, and increasing enthalpy mouth is provided with increasing enthalpy valve assembly.

Further, second partition is provided with the middle baric flow road of the air aspiration cavity being communicated with intermediate cavity and secondary cylinder.

Further, secondary cylinder is provided with the intakeport of the air aspiration cavity of baric flow road and secondary cylinder in connection.

Further, secondary cylinder is provided with and increases enthalpy hole, and the one end increasing enthalpy hole is connected with the air outlet increasing enthalpy parts, increase the other end in enthalpy hole and be connected with the increasing enthalpy mouth of second partition.

Further, increase enthalpy hole and comprise the first hole section and the second hole section that are interconnected, first hole section extends along the radial direction of secondary cylinder, second hole section extends along the axis of secondary cylinder, and one end away from the second hole section of the first hole section is connected with the air outlet increasing enthalpy parts, being connected with the increasing enthalpy mouth of second partition away from one end of the first hole section of the second hole section.

Further, compressor also comprises liquor separator, and liquor separator is arranged on frame set, and the outlet of liquor separator is connected with the suction port of one-level cylinder.

Further, compressor also comprises bent axle, and the secondary roller on the one-level roller of one-level cylinder and secondary cylinder is all set on bent axle, and one-level roller and secondary roller all rotate under the drive of bent axle.

Further, frame set comprises cylindrical shell, upper end cap and lower end cap, and upper end cap lid is located at the upper end of cylindrical shell, and lower end cap lid is located at the lower end of cylindrical shell.

Compressor in the utility model comprises and is arranged on the first dividing plate between one-level cylinder and secondary cylinder and second partition, because the middle chamber of Hybrid TierI pressurized gas and increasing enthalpy gas is arranged on the first dividing plate, and then shorten middle baric flow road widely, reduce the flow resistance loss of medium pressure gas, avoid simultaneously and middle chamber is set on lower flange and the problem of the middle chamber inner product Chuck Steak caused.

In addition, the compressor in the utility model shorten middle cavity to secondary cylinder air aspiration cavity between in the length in baric flow road, and then reduce flow resistance loss when compressor high frequency runs.

Accompanying drawing explanation

The Figure of description forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:

Fig. 1 shows the structural representation of compressor of the present utility model;

Fig. 2 shows the structural representation of the first dividing plate in Fig. 1;

Fig. 3 shows the structural representation of the second partition in Fig. 1; And

Fig. 4 shows the structural representation of the secondary cylinder in Fig. 1.

Wherein, above-mentioned accompanying drawing comprises the following drawings mark:

10, frame set; 11, cylindrical shell; 12, upper end cap; 13, lower end cap; 20, lower flange; 30, one-level cylinder; 31, one-level roller; 40, secondary cylinder; 41, intakeport; 42, secondary roller; 43, enthalpy hole is increased; 44, relief opening; 50, upper flange; 60, enthalpy parts are increased; 71, liquor separator; 72, bent axle; 80, the first dividing plate; 81, intermediate cavity; 82, exhaust valve component; 83, the first attachment hole; 90, second partition; 91, enthalpy valve assembly is increased; 92, middle baric flow road; 93, the second attachment hole.

Embodiment

It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.

The utility model provides a kind of compressor, please refer to Fig. 1 to Fig. 4, the lower flange 20 that this compressor comprises frame set 10 and from top to bottom sets gradually in frame set 10, one-level cylinder 30, secondary cylinder 40 and upper flange 50, compressor also comprises increasing enthalpy parts 60, increasing enthalpy parts 60 is arranged on frame set 10, compressor also comprises: the first dividing plate 80 and second partition 90, first dividing plate 80 and second partition 90 are stacked between one-level cylinder 30 and secondary cylinder 40, and the first dividing plate 80 is fitted with one-level cylinder 30, second partition 90 and secondary cylinder 40 are fitted, wherein, the first dividing plate 80 is provided with intermediate cavity 81, after the one stage of compression gas flowed out in one-level cylinder 30 is mixed in intermediate cavity 81 with the interior increasing enthalpy gas flowed out of increasing enthalpy parts 60 in inflow secondary cylinder 40.

Compressor in the utility model comprises and is arranged on the first dividing plate 80 between one-level cylinder 30 and secondary cylinder 40 and second partition 90, because the intermediate cavity 81 of Hybrid TierI pressurized gas and increasing enthalpy gas is arranged on the first dividing plate 80, and then shorten middle baric flow road widely, reduce the flow resistance loss of medium pressure gas, avoid simultaneously and middle chamber is set on lower flange 20 and the problem of the middle chamber inner product Chuck Steak caused.

In addition, the compressor in the utility model shorten middle cavity to secondary cylinder 40 air aspiration cavity between in the length in baric flow road, and then reduce flow resistance loss when compressor high frequency runs.

Preferably, the air outlet of one-level cylinder 30 is arranged towards the first dividing plate 80, the first dividing plate 80 is provided with the one stage of compression gas import corresponding with the air outlet of one-level cylinder 30, and the import of one stage of compression gas is provided with exhaust valve component 82.Like this, the amount entering the one stage of compression gas the intermediate cavity 81 of the first dividing plate 80 from one-level cylinder 30 can be controlled more easily.

Preferably, second partition 90 is provided with and is communicated with the air outlet of increasing enthalpy parts 60 and the increasing enthalpy mouth of intermediate cavity 81, and increasing enthalpy mouth is provided with increasing enthalpy valve assembly 91.The utility model increases enthalpy mouth by arranging and increases enthalpy valve assembly 91, can control the amount entering the increasing enthalpy gas the intermediate cavity 81 of the first dividing plate 80 from increasing enthalpy parts 60 through second partition 90 more easily.

Preferably, second partition 90 is provided with the middle baric flow road 92 of the air aspiration cavity being communicated with intermediate cavity 81 and secondary cylinder 40.The utility model, by arranging middle baric flow road 92, can make the mixed gas in the intermediate cavity 81 of the first dividing plate 80 enter in the air aspiration cavity of secondary cylinder 40 more easily.

Preferably, secondary cylinder 40 is provided with the intakeport 41 of the air aspiration cavity of baric flow road 92 and secondary cylinder 40 in connection.The utility model can make mixed gas enter in its air aspiration cavity by arranging intakeport 41 on secondary cylinder 40 more easily.

Preferably, secondary cylinder 40 is provided with and increases enthalpy hole 43, and the one end increasing enthalpy hole 43 is connected with the air outlet increasing enthalpy parts 60, increase the other end in enthalpy hole 43 and be connected with the increasing enthalpy mouth of second partition 90.The utility model increases enthalpy hole 43 by arranging, and the increasing enthalpy gas in increasing enthalpy parts 60 can be made more easily to enter in the intermediate cavity 81 of the first dividing plate 80.

Preferably, increase enthalpy hole 43 and comprise the first hole section and the second hole section that are interconnected, first hole section extends along the radial direction of secondary cylinder 40, second hole section extends along the axis of secondary cylinder 40, and one end away from the second hole section of the first hole section is connected with the air outlet increasing enthalpy parts 60, being connected with the increasing enthalpy mouth of second partition 90 away from one end of the first hole section of the second hole section.

Preferably, compressor also comprises liquor separator 71, and liquor separator 71 is arranged on frame set 10, and the outlet of liquor separator 71 is connected with the suction port of one-level cylinder 30.

Preferably, compressor also comprises bent axle 72, and the secondary roller 42 on the one-level roller 31 of one-level cylinder 30 and secondary cylinder 40 is all set on bent axle 72, and one-level roller 31 and secondary roller 42 all rotate under the drive of bent axle 72.

Preferably, frame set 10 comprises cylindrical shell 11, upper end cap 12 and lower end cap 13, and upper end cap 12 lid is located at the upper end of cylindrical shell 11, and lower end cap 13 lid is located at the lower end of cylindrical shell 11.

Key point in the utility model is, is provided with two diaphragm structure; Intermediate cavity 81 is mid-on the first dividing plate 80, shortens middle baric flow road; Enthalpy valve assembly is increased at increasing enthalpy mouth place.

As shown in Figure 1, the compressor in the utility model is primarily of compositions such as motor, one-level cylinder, secondary cylinder, increasing enthalpy structure, exhaust structure, seal structure for casing, liquor separator parts.Liquor separator 71 is fixed by welding on frame set 10, and one-level cylinder 30 (low pressure (LP) cylinder) is locked by screw and lower flange 20, and upper end is connected with the first dividing plate 80 simultaneously; Liquor separator 71 is communicated by the air aspiration cavity of sucking pipe with one-level cylinder 30, increases enthalpy parts 60 by communicating with the intermediate cavity 81 of the first dividing plate 80 with the increasing enthalpy mouth interference fit of secondary cylinder 40 (high-pressure cylinder); Secondary cylinder 40 is locked by screw and upper flange 50, baffler, and lower end is connected with second partition 90 simultaneously, and second partition 90 is connected with the first dividing plate 80; Upper flange 50 is welded on frame set 10, bent axle 72 is through lower flange 20, one-level cylinder 30, lower roller, the first dividing plate 80, first dividing plate 80, secondary cylinder 40, upper roller, upper flange 50, upper baffler, and be fixed by screws in together, outlet pipe is welded on upper end cap 12, and upper end cap 12 and lower end cap 13 are welded on frame set 10.

As Fig. 4 shows, secondary cylinder 40 is provided with intakeport 41, increases enthalpy hole 43 and relief opening 44 structure; As Fig. 2 shows, the first dividing plate 80 is provided with exhaust valve component 82 and intermediate cavity 81 structure; As Fig. 3 shows, second partition 90 is provided with and increases enthalpy valve assembly 91 and middle baric flow road 92 structure.

In this application, the exhaust valve component 82 one-level cylinder 30 is vented on the first dividing plate 80 enters in intermediate cavity 81, the increasing enthalpy gas filled into from system passes through to increase the increasing enthalpy hole 43 of enthalpy parts 60 through secondary cylinder 40, increasing enthalpy valve assembly 91 again on second partition 90 enters intermediate cavity 81, after the gas and vapor permeation entered with one-level cylinder 30, the air aspiration cavity that on second partition 90, baric flow road 92 and the intakeport 41 of secondary cylinder 40 enter secondary cylinder 40 compresses and discharges.

Preferably, the import in middle baric flow road 92 and outlet shift to install.

Preferably, the first dividing plate being provided with the first attachment hole 83, second partition 90 being provided with the second attachment hole 93, first dividing plate 80 with second partition 90 by being connected with one-level cylinder 30 and secondary cylinder 40 through the bolt of the first attachment hole 83 with the second attachment hole 93.

The application, by the length in baric flow road in reduction, effectively can reduce the loss produced when medium pressure gas flows through; Further, increase enthalpy valve assembly at increasing enthalpy mouth place, effectively can prevent the loss that medium pressure gas backflow produces, thus improve upper cylinder half volumetric efficiency, improve compressor performance.

The application, by reducing oil recycle ratio, improves compressor performance, and by improving oil overheating degree, improves compressor reliability.

As can be seen from the above description, the utility model the above embodiments achieve following technique effect:

(1) solve the problem that in existing compound compressor, baric flow road is long, prevent medium pressure gas to reflux, reduce flow resistance loss;

(2) solve the problem of the intermediate cavity oil-collecting of the lower flange of existing compound compressor, reduce oil recycle ratio;

(3) existing compound compressor oil overheating degree problem on the low side is solved.

The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (10)

1. a compressor, the lower flange (20) comprising frame set (10) and set gradually in described frame set (10) from top to bottom, one-level cylinder (30), secondary cylinder (40) and upper flange (50), described compressor also comprises increasing enthalpy parts (60), described increasing enthalpy parts (60) are arranged on described frame set (10), it is characterized in that, described compressor also comprises:
First dividing plate (80) and second partition (90), described first dividing plate (80) and described second partition (90) are stacked between described one-level cylinder (30) and described secondary cylinder (40), and described first dividing plate (80) and described one-level cylinder (30) are fitted, described second partition (90) and described secondary cylinder (40) are fitted;
Wherein, described first dividing plate (80) is provided with intermediate cavity (81), flows in described secondary cylinder (40) after the increasing enthalpy gas of one stage of compression gas and the interior outflow of described increasing enthalpy parts (60) of flowing out in described one-level cylinder (30) is mixed in described intermediate cavity (81).
2. compressor according to claim 1, it is characterized in that, the air outlet of described one-level cylinder (30) is arranged towards described first dividing plate (80), described first dividing plate (80) is provided with the one stage of compression gas import corresponding with the air outlet of described one-level cylinder (30), and the import of described one stage of compression gas is provided with exhaust valve component (82).
3. compressor according to claim 1, it is characterized in that, described second partition (90) is provided with and is communicated with the air outlet of described increasing enthalpy parts (60) and the increasing enthalpy mouth of described intermediate cavity (81), and described increasing enthalpy mouth is provided with increasing enthalpy valve assembly (91).
4. compressor according to claim 3, is characterized in that, described second partition (90) is provided with the middle baric flow road (92) of the air aspiration cavity being communicated with intermediate cavity (81) and described secondary cylinder (40).
5. compressor according to claim 4, is characterized in that, described secondary cylinder (40) is provided with the intakeport (41) of the air aspiration cavity being communicated with described middle baric flow road (92) and described secondary cylinder (40).
6. compressor according to claim 3, it is characterized in that, described secondary cylinder (40) is provided with and increases enthalpy hole (43), and one end of described increasing enthalpy hole (43) is connected with the air outlet of described increasing enthalpy parts (60), the other end of described increasing enthalpy hole (43) is connected with the increasing enthalpy mouth of described second partition (90).
7. compressor according to claim 6, it is characterized in that, described increasing enthalpy hole (43) comprises the first hole section and the second hole section that are interconnected, described first hole section extends along the radial direction of described secondary cylinder (40), described second hole section extends along the axis of described secondary cylinder (40), and one end away from described second hole section of described first hole section is connected with the air outlet of described increasing enthalpy parts (60), being connected with the increasing enthalpy mouth of described second partition (90) away from one end of described first hole section of described second hole section.
8. compressor according to claim 1, it is characterized in that, described compressor also comprises liquor separator (71), described liquor separator (71) is arranged on described frame set (10), and the outlet of described liquor separator (71) is connected with the suction port of described one-level cylinder (30).
9. compressor according to claim 1, it is characterized in that, described compressor also comprises bent axle (72), secondary roller (42) on the one-level roller (31) of described one-level cylinder (30) and described secondary cylinder (40) is all set on described bent axle (72), and described one-level roller (31) and described secondary roller (42) all rotate under the drive of described bent axle (72).
10. compressor according to claim 1, it is characterized in that, described frame set (10) comprises cylindrical shell (11), upper end cap (12) and lower end cap (13), described upper end cap (12) lid is located at the upper end of described cylindrical shell (11), and described lower end cap (13) lid is located at the lower end of described cylindrical shell (11).
CN201420839002.5U 2014-12-24 2014-12-24 Compressor CN204371674U (en)

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Application Number Priority Date Filing Date Title
CN201420839002.5U CN204371674U (en) 2014-12-24 2014-12-24 Compressor

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Application Number Priority Date Filing Date Title
CN201420839002.5U CN204371674U (en) 2014-12-24 2014-12-24 Compressor

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CN204371674U true CN204371674U (en) 2015-06-03

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105508246A (en) * 2016-01-13 2016-04-20 珠海格力节能环保制冷技术研究中心有限公司 Rolling rotor type twin-stage compressor
CN105545737A (en) * 2016-01-25 2016-05-04 珠海格力节能环保制冷技术研究中心有限公司 Double-stage added enthalpy compressor and control method thereof
CN105782051A (en) * 2014-12-24 2016-07-20 珠海格力节能环保制冷技术研究中心有限公司 Compressor
CN106438359A (en) * 2015-08-07 2017-02-22 珠海格力节能环保制冷技术研究中心有限公司 Compressor, heat exchange equipment and running method of compressor

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105782051A (en) * 2014-12-24 2016-07-20 珠海格力节能环保制冷技术研究中心有限公司 Compressor
CN106438359A (en) * 2015-08-07 2017-02-22 珠海格力节能环保制冷技术研究中心有限公司 Compressor, heat exchange equipment and running method of compressor
CN106438359B (en) * 2015-08-07 2019-01-08 珠海格力电器股份有限公司 The operation method of compressor, heat exchange equipment and compressor
CN105508246A (en) * 2016-01-13 2016-04-20 珠海格力节能环保制冷技术研究中心有限公司 Rolling rotor type twin-stage compressor
CN105545737A (en) * 2016-01-25 2016-05-04 珠海格力节能环保制冷技术研究中心有限公司 Double-stage added enthalpy compressor and control method thereof

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