CN104454532A - Compression assembly of compressor, compressor and air conditioner - Google Patents
Compression assembly of compressor, compressor and air conditioner Download PDFInfo
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- CN104454532A CN104454532A CN201310432939.0A CN201310432939A CN104454532A CN 104454532 A CN104454532 A CN 104454532A CN 201310432939 A CN201310432939 A CN 201310432939A CN 104454532 A CN104454532 A CN 104454532A
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Abstract
A disclosed compression assembly of a compressor comprises cylinders, a lower flange below the cylinders, and a cover plate installed under the lower flange; the cylinders comprise a low-pressure cylinder, a medium-pressure cylinder and a high-pressure cylinder, and a medium separation plate and a lower separation plate are arranged between the low-pressure cylinder and the medium-pressure cylinder; a first mixing chamber is surrounded by the lower flange and the cover plate, and a second mixing chamber is surrounded by the medium separation plate and the lower separation plate; an air-exhausting chamber of the lower-pressure cylinder is communicated with an air-suction chamber of the medium-pressure cylinder via the first mixing chamber, and an air-exhausting chamber of the medium-pressure cylinder is communicated with an air-suction chamber of the high-pressure cylinder via the second mixing chamber; and the first mixing chamber and the second mixing chamber are respectively communicated with a first enthalpy-increasing part and a second enthalpy-increasing part. The above compression assembly has relatively high workability and reliability when being at a low-temperature work condition. The invention also discloses the compression possessing the above compression assembly and an air conditioner possessing the compressor.
Description
Technical field
The present invention relates to technical field of heat exchange devices, particularly relate to a kind of compression assembly of compressor.The invention still further relates to the compressor with above-mentioned compression assembly and the air conditioner with this compressor.
Background technique
Compressor passes through its compression assembly by the pressure increase of heat transferring medium, thus reaches the job requirement of heat-exchange system.Compression assembly mainly comprises bent axle, roller and cylinder, and cylinder communicates with the liquor separator of compressor, and the heat transferring medium flowed out from liquor separator enters in cylinder, and bent axle drives roller to roll in cylinder, can compress by heat exchanging medium.
In the compression assembly generally adopted at present, the quantity of cylinder is generally one or two, and under general operating mode, said structure is enough to meet consumers' demand.But, when compressor application is under worst cold case, following situation will be there is: because the specific volume of refrigeration agent reduces, the unit gettering quantity of compressor will reduce thereupon, and cause the exchange capability of heat of compressor to decline; After the unit gettering quantity of compressor reduces, the compression assembly of compressor inside and the lubrication effect of drive motor and cooling effect will be deteriorated; The suction and discharge pressure ratio of compressor is larger, causes the delivery temperature of compressor higher, due to structural limitations, by the larger leakage of appearance and frictional loss in compressor.Above-mentioned factor all by the service behaviour that causes compressor under worst cold case and reliability poor, cannot meet consumers' demand.
In sum, how to solve the service behaviour of compressor under worst cold case and the poor problem of reliability, become the technical barrier that those skilled in the art are urgently to be resolved hurrily.
Summary of the invention
The object of this invention is to provide a kind of compression assembly of compressor, this compression assembly can improve the service behaviour of compressor under worst cold case and reliability.Another object of the present invention is to provide a kind ofly to be had the compressor of above-mentioned compression assembly and has the air conditioner of this compressor.
To achieve these goals, the invention provides following technological scheme:
A kind of compression assembly of compressor, comprise cylinder, the cover plate being positioned at the lower flange below described cylinder and being installed on below described lower flange, described cylinder comprises a low pressure (LP) cylinder, an intermediate pressure cylinder and a high-pressure cylinder, central diaphragm and lower clapboard is provided with between described low pressure (LP) cylinder and described intermediate pressure cylinder, described lower flange and described cover plate surround the first mixing chamber, described central diaphragm and described lower clapboard surround the second mixing chamber, the exhaust cavity of described low pressure (LP) cylinder is communicated with the air aspiration cavity of described intermediate pressure cylinder by described first mixing chamber, the exhaust cavity of described intermediate pressure cylinder is communicated with the air aspiration cavity of described high-pressure cylinder by described second mixing chamber, described first mixing chamber and described second mixing chamber increase enthalpy parts and second respectively and increase enthalpy parts and be connected with first.
Preferably, in above-mentioned compression assembly, described first increases enthalpy parts is communicated with described first mixing chamber by the first increasing enthalpy mouth be arranged on described low pressure (LP) cylinder, and described second increases enthalpy parts is communicated with described second mixing chamber by the described second increasing enthalpy mouth be arranged on described low pressure (LP) cylinder.
Preferably, in above-mentioned compression assembly, described first increases enthalpy parts is communicated with described first mixing chamber by the first increasing enthalpy mouth be arranged on described intermediate pressure cylinder, and described second increases enthalpy parts is communicated with described second mixing chamber by the described second increasing enthalpy mouth be arranged on described intermediate pressure cylinder.
A kind of compressor, comprise shell and be arranged at the compression assembly in described shell, described compression assembly is the compression assembly described in above-mentioned any one.
A kind of air conditioner, the compressor comprising heat exchanger and be connected with described heat exchanger, described compressor is above-mentioned compressor.
In technique scheme, the compression assembly of compressor provided by the invention comprises cylinder, the cover plate being positioned at the lower flange below cylinder and being installed on below lower flange, above-mentioned cylinder comprises a low pressure (LP) cylinder, an intermediate pressure cylinder and a high-pressure cylinder, central diaphragm and lower clapboard is provided with between low pressure (LP) cylinder and intermediate pressure cylinder, lower flange and cover plate surround the first mixing chamber, central diaphragm and lower clapboard surround the second mixing chamber, the exhaust cavity of low pressure (LP) cylinder is communicated with the air aspiration cavity of intermediate pressure cylinder by the first mixing chamber, the exhaust cavity of intermediate pressure cylinder is communicated with the air aspiration cavity of high-pressure cylinder by the second mixing chamber, first mixing chamber and the second mixing chamber increase enthalpy parts and second respectively and increase enthalpy parts and be connected with first.During the work of this compression assembly, gas is successively through low pressure (LP) cylinder, the first mixing chamber, intermediate pressure cylinder, the second mixing chamber and high-pressure cylinder, the gas of discharging in low pressure (LP) cylinder enters in the first mixing chamber, and increase with by first the mixed gases that enthalpy parts enter the first mixing chamber, then enter intermediate pressure cylinder to compress, the gas of discharging in intermediate pressure cylinder enters in the second mixing chamber, and increase with by second the gas and vapor permeation that enthalpy parts enter the second mixing chamber, then enter in high-pressure cylinder and compress, the pressurized gas needed for final formation.
Known by foregoing description, compared to the content introduced in background technique, number of cylinders in compression assembly provided by the invention increases to some extent, and be provided with the first mixing chamber, the second mixing chamber, first increases enthalpy parts and the second increasing enthalpy parts, when this compression assembly is in worst cold case, still can ensure enough gettering quantities, simultaneously the suction and discharge pressure ratio of compressor will be decomposed through three times, and then improve the service behaviour of compressor under worst cold case and reliability.
Because above-mentioned compression assembly has above-mentioned technique effect, the compressor with above-mentioned compression assembly and the air conditioner with this compressor also should have corresponding technique effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in the embodiment of the present invention or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the compression assembly that Fig. 1 provides for the embodiment of the present invention;
The external structure schematic diagram of the compression assembly that Fig. 2 provides for the embodiment of the present invention;
The compression assembly structural representation in a first state that Fig. 3 provides for the embodiment of the present invention;
The compression assembly structural representation in a second state that Fig. 4 provides for the embodiment of the present invention;
The compression assembly structural representation in the third state that Fig. 5 provides for the embodiment of the present invention;
The structural representation of the lower flange that Fig. 6 provides for the embodiment of the present invention;
The structural representation of the low pressure (LP) cylinder that Fig. 7 provides for the embodiment of the present invention;
The structural representation of the central diaphragm that Fig. 8 provides for the embodiment of the present invention;
The structural representation of the lower clapboard that Fig. 9 provides for the embodiment of the present invention.
In upper Fig. 1-9:
Liquor separator 11, shell 12, upper flange 21, high-pressure cylinder 22, upper clapboard 23, intermediate pressure cylinder 24, central diaphragm 25, lower clapboard 26, low pressure (LP) cylinder 27, first increases enthalpy parts 28, second increases enthalpy parts 29, lower flange 30, cover plate 31, motor 41, bent axle 42, low pressure air suction mouth 51, first mixing chamber 52, second mixing chamber 53, first increases enthalpy mouth 54, second increases enthalpy mouth 55, low pressure exhaust mouth 56, first increases enthalpy passage 57, middle pressure air intake passage 58, second increases enthalpy passage 59, high pressure air intake passage 61, middle pressure gas port 62.
Embodiment
Core of the present invention is to provide a kind of compression assembly of compressor, and this compression assembly can improve the service behaviour of compressor under worst cold case and reliability.Another core of the present invention is to provide a kind ofly to be had the compressor of above-mentioned compression assembly and has the air conditioner of this compressor.
In order to make those skilled in the art understand technological scheme provided by the invention better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As shown in figs 1-9, the compression assembly of compressor that the embodiment of the present invention provides comprises upper flange 21, lower flange 30, is arranged at cylinder between upper flange 21 and lower flange 30, is positioned at the roller of cylinder, with the bent axle 42 of rollers co-operate, motor 41 that driving crank 42 rotates and the cover plate 31 that is installed on below lower flange 30; Upper flange 21 and lower flange 30 are for installing cylinder and bent axle 42, and both are set on bent axle 42; The lumen segmentation of cylinder is air aspiration cavity and exhaust cavity, and air aspiration cavity is connected with the liquor separator 11 of compressor by low pressure air suction mouth 51; Roller sleeve is loaded on the eccentric part of bent axle 42, roller will be driven to produce eccentric rotary, and then change the air aspiration cavity of cylinder and the volume of exhaust cavity, and realize the object of pressurized gas after bent axle 42 is subject to the driving force of motor 41.
Key improvements part of the present invention is, above-mentioned cylinder comprises a low pressure (LP) cylinder 27, intermediate pressure cylinder 24 and a high-pressure cylinder 22, bent axle 42 then has three eccentric parts coordinated one by one with the roller in the roller in low pressure (LP) cylinder 27, intermediate pressure cylinder 24 and the roller in high-pressure cylinder 22 respectively.Be provided with central diaphragm 25 and lower clapboard 26 between low pressure (LP) cylinder 27 and intermediate pressure cylinder 24, between intermediate pressure cylinder 24 and high-pressure cylinder 22, be provided with upper clapboard 23; Lower flange 30 and cover plate 31 surround the first mixing chamber 52, and central diaphragm 25 and lower clapboard 26 surround the second mixing chamber 53; The exhaust cavity of low pressure (LP) cylinder 27 is communicated with the air aspiration cavity of intermediate pressure cylinder 24 by the first mixing chamber 52, and the exhaust cavity of intermediate pressure cylinder 24 is communicated with the air aspiration cavity of high-pressure cylinder 22 by the second mixing chamber 53; First mixing chamber 52 and the second mixing chamber 53 increase enthalpy parts 28 and second respectively and increase enthalpy parts 29 and be connected with first.
Particularly, the exhaust cavity of low pressure (LP) cylinder 27 is connected with the first mixing chamber 52 by low pressure exhaust mouth 56; First increases enthalpy parts 28 is communicated with the first mixing chamber 52 by the first increasing enthalpy passage 57; First mixing chamber 52 is connected with the air aspiration cavity of intermediate pressure cylinder 24 by middle pressure air intake passage 58, and the exhaust cavity of intermediate pressure cylinder 24 is communicated with the second mixing chamber 53 by middle pressure gas port 62; Second increases enthalpy parts 29 is connected with the second mixing chamber 53 by the second increasing enthalpy passage 59; Second mixing chamber 53 is connected by the air aspiration cavity of high pressure air intake passage 61 with high-pressure cylinder 22.
During the work of this compression assembly, band dynamic crankshaft 42 rotates after being energized by motor 41, roller rolls in the eccentric part energize low-pressure cylinder 27 of bent axle 42, intermediate pressure cylinder 24 and high-pressure cylinder 22, formation is calmed the anger chamber, gas is under the effect of bent axle 42 and roller, successively through low pressure (LP) cylinder 27, first mixing chamber 52, intermediate pressure cylinder 24, second mixing chamber 53 and high-pressure cylinder 22, the gas of discharging in low pressure (LP) cylinder 27 enters in the first mixing chamber 52, and with increase enthalpy parts 28 by first and enter mixed gases in the first mixing chamber 52, then enter intermediate pressure cylinder 24 and compress; The gas of discharging in intermediate pressure cylinder 24 enters in the second mixing chamber 53, and with increases enthalpy parts 29 by second and enters gas and vapor permeation in the second mixing chamber 53, then enter in high-pressure cylinder 22 and compress, the pressurized gas needed for final formation.
Known by foregoing description, compared to the content introduced in background technique, number of cylinders in the compression assembly that the embodiment of the present invention provides increases to some extent, and be provided with the first mixing chamber 52, second mixing chamber 53, first and increase enthalpy parts 28 and the second increasing enthalpy parts 29, when this compression assembly is in worst cold case, still can ensure enough gettering quantities, simultaneously the suction and discharge pressure ratio of compressor will be decomposed through three times, and then improve the service behaviour of compressor under worst cold case and reliability.
In such scheme, first increasing enthalpy parts 28 and the second increasing enthalpy parts 29 can be directly connected in low pressure (LP) cylinder 27, intermediate pressure cylinder 24, on high-pressure cylinder 22 or miscellaneous part, for the ease of both settings, be convenient to gas flow simultaneously, reduce windage loss, the embodiment of the present invention arranges the first increasing enthalpy mouth 54 and second and increases enthalpy mouth 55 on low pressure (LP) cylinder 27, first increases enthalpy parts 28 is communicated with the first mixing chamber 52 by the first increasing enthalpy mouth 54, second increases enthalpy parts 29 is communicated with the second mixing chamber 53 by the second increasing enthalpy mouth 55, namely the first increasing enthalpy parts 28 and the second increasing enthalpy parts 29 are all directly connected on low pressure (LP) cylinder 27.
In another embodiment, first increases enthalpy parts 28 also communicates with the first mixing chamber 52 by the first increasing enthalpy mouth 54 be arranged on intermediate pressure cylinder 24, second increases enthalpy parts 29 is communicated with the second mixing chamber 53 by the second increasing enthalpy mouth 55 be arranged on intermediate pressure cylinder 24, and namely the first increasing enthalpy parts 28 and the second increasing enthalpy parts 29 are all directly connected on intermediate pressure cylinder 24.This structure can also reach to be convenient to arrange the first increasing enthalpy parts 28 and the second increasing enthalpy parts 29, is convenient to gas flow simultaneously, reduces the object of windage loss.In this scheme first increases enthalpy mouth 54 and second and increases enthalpy mouth 55, and increasing enthalpy mouth 54 and second with first in a upper embodiment, to increase enthalpy mouth 55 structure substantially identical, only setting position difference.
The compression assembly that the compressor that the embodiment of the present invention provides comprises liquor separator 11, shell 12 and is arranged in shell 12, the compression assembly of this compression assembly described by above-mentioned either a program.Because this compression assembly has above-mentioned technique effect, the compressor with this compression assembly also should have corresponding technique effect, repeats no more herein.
The compressor that the air conditioner that the embodiment of the present invention provides comprises heat exchanger and is connected with this heat exchanger, this compressor is above-mentioned compressor.Because above-mentioned compressor has above-mentioned technique effect, the air conditioner with this compressor also should have corresponding technique effect, no longer describes in detail herein.
Above the compression assembly of compressor provided by the present invention, compressor and air conditioner are described in detail.Apply specific case herein to set forth principle of the present invention and mode of execution, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (5)
1. the compression assembly of a compressor, comprise cylinder, be positioned at the lower flange (30) below described cylinder and be installed on the cover plate (31) of described lower flange (30) below, it is characterized in that, described cylinder comprises a low pressure (LP) cylinder (27), an intermediate pressure cylinder (24) and a high-pressure cylinder (22), central diaphragm (25) and lower clapboard (26) is provided with between described low pressure (LP) cylinder (27) and described intermediate pressure cylinder (24), described lower flange (30) and described cover plate (31) surround the first mixing chamber (52), described central diaphragm (25) and described lower clapboard (26) surround the second mixing chamber (53), the exhaust cavity of described low pressure (LP) cylinder (27) is communicated with the air aspiration cavity of described intermediate pressure cylinder (24) by described first mixing chamber (52), the exhaust cavity of described intermediate pressure cylinder (24) is communicated with the air aspiration cavity of described high-pressure cylinder (22) by described second mixing chamber (53), described first mixing chamber (52) and described second mixing chamber (53) increase enthalpy parts (28) and second respectively and increase enthalpy parts (29) and be connected with first.
2. compression assembly according to claim 1, it is characterized in that, described first increases enthalpy parts (28) is communicated with described first mixing chamber (52) by the first increasing enthalpy mouth (54) be arranged on described low pressure (LP) cylinder (27), and described second increases enthalpy parts (29) is communicated with described second mixing chamber (53) by described second increasing enthalpy mouth (55) be arranged on described low pressure (LP) cylinder (27).
3. compression assembly according to claim 1, it is characterized in that, described first increases enthalpy parts (28) is communicated with described first mixing chamber (52) by the first increasing enthalpy mouth (54) be arranged on described intermediate pressure cylinder (24), and described second increases enthalpy parts (29) is communicated with described second mixing chamber (53) by described second increasing enthalpy mouth (55) be arranged on described intermediate pressure cylinder (24).
4. a compressor, the compression assembly comprising shell (12) and be arranged in described shell (12), is characterized in that, described compression assembly is the compression assembly such as according to any one of claim 1-3.
5. an air conditioner, the compressor comprising heat exchanger and be connected with described heat exchanger, is characterized in that, described compressor is compressor as claimed in claim 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310432939.0A CN104454532B (en) | 2013-09-22 | 2013-09-22 | The compression assembly of compressor, compressor and air-conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310432939.0A CN104454532B (en) | 2013-09-22 | 2013-09-22 | The compression assembly of compressor, compressor and air-conditioner |
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| Publication Number | Publication Date |
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| CN104454532A true CN104454532A (en) | 2015-03-25 |
| CN104454532B CN104454532B (en) | 2016-08-24 |
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| CN201310432939.0A Active CN104454532B (en) | 2013-09-22 | 2013-09-22 | The compression assembly of compressor, compressor and air-conditioner |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2518459B2 (en) * | 1990-03-08 | 1996-07-24 | 三菱電機株式会社 | Multi-cylinder rotary compressor |
| CN1955476A (en) * | 2005-10-27 | 2007-05-02 | 乐金电子(天津)电器有限公司 | Variable capacity multi-cylinder rotary compressor and its running method |
| CN202250863U (en) * | 2011-06-30 | 2012-05-30 | 珠海格力电器股份有限公司 | Double-stage rotating compressor |
| CN202266430U (en) * | 2011-10-25 | 2012-06-06 | 珠海格力节能环保制冷技术研究中心有限公司 | Variable-capacity two-stage enthalpy increasing compressor and air conditioning system |
-
2013
- 2013-09-22 CN CN201310432939.0A patent/CN104454532B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2518459B2 (en) * | 1990-03-08 | 1996-07-24 | 三菱電機株式会社 | Multi-cylinder rotary compressor |
| CN1955476A (en) * | 2005-10-27 | 2007-05-02 | 乐金电子(天津)电器有限公司 | Variable capacity multi-cylinder rotary compressor and its running method |
| CN202250863U (en) * | 2011-06-30 | 2012-05-30 | 珠海格力电器股份有限公司 | Double-stage rotating compressor |
| CN202266430U (en) * | 2011-10-25 | 2012-06-06 | 珠海格力节能环保制冷技术研究中心有限公司 | Variable-capacity two-stage enthalpy increasing compressor and air conditioning system |
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| CN104454532B (en) | 2016-08-24 |
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