CN109026698B - A kind of compressor - Google Patents
A kind of compressor Download PDFInfo
- Publication number
- CN109026698B CN109026698B CN201810907307.8A CN201810907307A CN109026698B CN 109026698 B CN109026698 B CN 109026698B CN 201810907307 A CN201810907307 A CN 201810907307A CN 109026698 B CN109026698 B CN 109026698B
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- China
- Prior art keywords
- cylinder
- wall
- roller
- compressor
- installation method
- Prior art date
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- 230000006835 compression Effects 0.000 claims abstract description 29
- 238000007906 compression Methods 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 13
- 238000001704 evaporation Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000005096 rolling process Methods 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
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/356—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
- F04C18/3562—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member the inner and outer member being in contact along one line or continuous surfaces substantially parallel to the axis of rotation
-
- 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
- F04C2250/00—Geometry
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The embodiment of the invention discloses a compressor, which aims to improve the operating condition conditions of the compressor under different application occasions and improve the operating efficiency of the compressor and comprises an air cylinder, a crankshaft, a roller and a sliding sheet, wherein the air cylinder comprises a sliding sheet groove arranged along the radial direction, the sliding sheet is accommodated in the sliding sheet groove, the crankshaft penetrates through the air cylinder and comprises an eccentric throw, the roller is sleeved on the eccentric throw and forms a working cavity with the inner wall of the air cylinder, the working cavity is divided into an air suction cavity and a compression cavity by the sliding sheet, when the clearance value between the outer wall of the roller and the inner wall of the air cylinder is minimum, the connection line between the center of the roller and the center of the air cylinder and the included angle β between the center plane of the sliding sheet groove and the compression cavity meet the pressure ratio epsilon, wherein β is-7.37 epsilon +100.69, and epsilon is the compression cavity pressure/air suction.
Description
Technical field
The present invention relates to rotating fluid equipment technical fields, more particularly to a kind of compressor.
Background technique
At work, roller is right between its outer wall of different corners and cylinder inner wall for existing rolling rotary compressor
It should be with the presence of different gaps.The gap size of different corners directly affects the performance of compressor: the pressure ratio ε of corner is got over
Greatly, then it requires the gap smaller, otherwise will increase from the secondary refrigerant leakage amount of high side to low side, and then influence compressor
Ability and power consumption.
To solve the above-mentioned problems, the prior art generally passes through control roller at some corner β, roller outer wall and cylinder
The gap width of inner wall is minimum, to ensure that the leakage total amount in compressor whole work process from high side to low side is the smallest same
When, gap width there are certain surplus, be unlikely to roller outer circle occur during rotation with cylinder inner wall it is stuck.Gap width is minimum
When roller centre and cylinder axis line, angle β between the median plane of sliding vane groove and compressor actual operating mode
Correlation, the angle select improper, will directly affect the performance of the performance and terminal unit of compressor.And needle in current industry
The determination of the angle is not formulated in strict accordance with compressor actual operating mode mostly, so as to cause the operation of compressor
Situation is poor, and operational efficiency is lower.
Summary of the invention
The purpose of the embodiment of the present invention is that a kind of compressor is provided, to improve operation of the compressor under different application
Operating conditions improve the operational efficiency of compressor.
The embodiment of the invention provides a kind of compressors, comprising: cylinder, crankshaft, roller and slide plate, in which: the gas
Cylinder includes the sliding vane groove being disposed radially, and the slide plate is placed in the sliding vane groove；The crankshaft through the cylinder, including
Bias turns；The roller sleeve is set to the bias and turns, and forms working chamber between the inner wall of the cylinder；The slide plate is by institute
It states working chamber and is divided into suction chamber and compression chamber；It is described when the gap width minimum of the roller outer wall and the cylinder inner wall
Between the line of roller centre and the cylinder axis, and the median plane of the sliding vane groove towards the angle β of the compression chamber with
Meet between pressure ratio ε:
The ε of β=- 7.37+100.69；
Wherein, ε=compression cavity pressure/air-breathing cavity pressure.
In the technical program embodiment, optionally, the pressure ratio ε meets: 2.5≤ε≤4.5.
In the technical program any embodiment, optionally, the minimum clearance of the roller outer wall and the cylinder inner wall
Value X meets: 0.01mm≤X≤0.02mm.
In the technical program embodiment, optionally, the compression cavity pressure is condensing pressure；The air-breathing cavity pressure is
Evaporating pressure.
In the technical program any embodiment, optionally, the compressor further includes be set to the cylinder first
The first flange of end face, and it is set to the second flange of the second end face of the cylinder.
In different applications due to compressor, operating condition situation is different, thus make to compress cavity pressure and
Air-breathing cavity pressure changes therewith.Using the compressor of the technical program, when the gap width minimum of roller outer wall and cylinder inner wall,
The line of roller centre and cylinder axis, towards full between the angle β of compression chamber and pressure ratio ε between the median plane of sliding vane groove
Foot: the ε of β=- 7.37+100.69, the i.e. compressor of the technical program are in the minimum clearance for determining roller outer wall and cylinder inner wall
When value, and according to the operating condition situation of corresponding compressor come the line to roller centre and cylinder axis, with sliding vane groove
It is calculated between median plane towards the angle β of compression chamber, to complete to roll according to determining minimum clearance value and angle β
The assembly of son and cylinder.Therefore, compared with prior art, in different applications, the fortune of the compressor of the technical program
Row operating conditions are preferable, operational efficiency is higher.
Based on identical inventive concept, the embodiment of the invention also includes a kind of installation methods of compressor, comprising:
According to functional relation β=- 7.37 ε+100.69, the line of roller centre and cylinder axis is obtained, with sliding vane groove
Median plane between towards compression chamber angle β；
Determine the minimum clearance value of roller outer wall and cylinder inner wall；
According to the minimum clearance value of obtained angle β and roller outer wall and cylinder inner wall, rotor is installed on cylinder；
Wherein, ε=compression cavity pressure/air-breathing cavity pressure.
In the technical program embodiment, optionally, before rotor is installed on cylinder, the method also includes: it will roll
The bias that son is installed on crankshaft turns.
Using the installation method of the compressor of the technical program, by the minimum clearance for determining roller outer wall and cylinder inner wall
Value, and according to the operating condition situation of corresponding compressor come the line to roller centre and cylinder axis, in sliding vane groove
It is calculated between heart face towards the angle β of compression chamber, to complete roller according to determining minimum clearance value and angle β
With the assembly of cylinder.Therefore, compared with prior art, in different applications, according to the compressor of the technical program
The compressor that installation method is installed has preferable operating condition situation and higher operational efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the compressor of one embodiment of the invention；
Fig. 2 is the A-A direction view of Fig. 1；
Fig. 3 is the structural schematic diagram of the compressor of another embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the compressor of further embodiment of this invention；
Fig. 5 is the assembly method flow chart of the compressor of the embodiment of the present invention.
Appended drawing reference:
Part of the embodiment of the present invention:
1- cylinder；
2- crankshaft；
3- roller；
4- slide plate；
5- sliding vane groove；
6- bias turns；
7- suction chamber；
8- compression chamber；
9- first flange；
10- second flange.
Specific embodiment
To improve operating condition situation of the compressor under different application, the operational efficiency of compressor, this hair are improved
Bright embodiment provides a kind of compressor.To make the object, technical solutions and advantages of the present invention clearer, by the following examples
Invention is further described in detail.
When the application refers to ordinal numbers such as " first ", " second ", " third " or " the 4th ", unless based on context its
The meaning of certain order of representation, it is appreciated that being only to distinguish to be used.
As shown in Figures 1 to 4, compressor provided in an embodiment of the present invention, comprising: cylinder 1, crankshaft 2, roller 3 and cunning
Piece 4, in which: cylinder 1 includes the sliding vane groove 5 being disposed radially, and slide plate 4 is placed in sliding vane groove 5；Crankshaft 2 is wrapped through cylinder 1
It includes bias and turns 6；The bias that roller 3 is sheathed on turns 6, and forms working chamber between the inner wall of cylinder 1；Slide plate 4 divides working chamber
For suction chamber 7 and compression chamber 8；When the gap width minimum of 3 outer wall of roller and 1 inner wall of cylinder, 3 center of roller and 1 center of cylinder
Line, meet between the median plane of sliding vane groove 5 towards between the angle β of compression chamber 8 and pressure ratio ε:
The ε of β=- 7.37+100.69；
Wherein, ε=compression cavity pressure/air-breathing cavity pressure.
In the technical scheme, the median plane of sliding vane groove 5 refers to parallel with slide plate 4 flat where the center of sliding vane groove 5
Face.
In different applications due to compressor, operating condition situation is different, thus make 8 pressure of compression chamber and
7 pressure of suction chamber changes therewith.Using the compressor of the technical program, when the gap width of 3 outer wall of roller and 1 inner wall of cylinder is minimum
When, the line at 1 center of 3 center of roller and cylinder, towards the angle β of compression chamber 8 and pressure ratio ε between the median plane of sliding vane groove 5
Between meet: the ε of β=- 7.37+100.69, the i.e. compressor of the technical program are to determine 3 outer wall of roller and 1 inner wall of cylinder
When minimum clearance value, and according to the operating condition situation of corresponding compressor come the line to 1 center of 3 center of roller and cylinder,
Calculated between the median plane of sliding vane groove 5 towards the angle β of compression chamber 8, thus according to determining minimum clearance value and
Angle β completes the assembly of roller 3 Yu cylinder 1.Therefore, compared with prior art, in different applications, this technology side
The operating condition situation of the compressor of case is preferable, operational efficiency is higher.
In the technical program embodiment, optionally, pressure ratio ε meets: 2.5≤ε≤4.5.
Present inventor obtains by a large amount of test, when pressure ratio ε is met the above range, according to formula β=-
The angle β that 7.37 ε+100.69 are obtained, and the roller outer wall of determination and the minimum clearance value of cylinder inner wall are to roller and cylinder
The matching degree of the application of the operating condition and compressor of the compressor assembled is higher.
As shown in Figure 3 and Figure 4, in the technical program any embodiment, optionally, 3 outer wall of roller and 1 inner wall of cylinder
Minimum clearance value X meets: 0.01mm≤X≤0.02mm.
In figs. 3 and 4, at 3 outer wall of roller and 1 inner wall gap minimum of cylinder, 2 outer diameter of crankshaft to 1 inner wall of cylinder
Maximum distance is X1, and the maximum distance of 2 outer diameter of crankshaft to 3 outer diameter of roller is X2, then (X1-X2) is 3 outer wall of roller and cylinder 1
Minimum clearance between inner wall.
In the technical program embodiment, optionally, compression cavity pressure is condensing pressure；Air-breathing cavity pressure is vapor pres- sure
Power.Requirement in this way according to compressor institute application to the condensing pressure and evaporating pressure of compressor can be compressed
The pressure ratio of machine, and then can be to the line of roller centre and cylinder axis, towards the folder of compression chamber between the median plane of sliding vane groove
Angle beta is calculated.
As shown in Fig. 2, optionally, compressor further includes be set to cylinder 1 in the technical program any embodiment
The first flange 9 of one end face, and it is set to the second flange 10 of the second end face of cylinder 1.
As shown in figure 5, it is based on identical inventive concept, the embodiment of the invention also includes a kind of installation method of compressor,
Include:
Step 101: according to functional relation β=- 7.37 ε+100.69, the line of roller centre and cylinder axis is obtained,
Towards the angle β of compression chamber between the median plane of sliding vane groove；
Step 102: determining the minimum clearance value of roller outer wall and cylinder inner wall；
Step 103: according to the minimum clearance value of obtained angle β and roller outer wall and cylinder inner wall, rotor being installed
In cylinder；
Wherein, ε=compression cavity pressure/air-breathing cavity pressure.
Using the installation method of the compressor of the technical program, by the minimum clearance for determining roller outer wall and cylinder inner wall
Value, and according to the operating condition situation of corresponding compressor come the line to roller centre and cylinder axis, in sliding vane groove
It is calculated between heart face towards the angle β of compression chamber, to complete roller according to determining minimum clearance value and angle β
With the assembly of cylinder.Therefore, compared with prior art, in different applications, according to the compressor of the technical program
The compressor that installation method is installed has preferable operating condition situation and higher operational efficiency.
In the technical program embodiment, optionally, before rotor is installed on cylinder, the method also includes: it will roll
The bias that son is installed on crankshaft turns.In this way crankshaft and cylinder can be also achieved while completing roller and cylinder and assembling
Assembly.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (6)
1. a kind of installation method of compressor, which is characterized in that compressor includes: cylinder, crankshaft, roller and slide plate, in which:
The cylinder includes the sliding vane groove being disposed radially, and the slide plate is placed in the sliding vane groove；The crankshaft is through the gas
Cylinder, including bias turn；The roller sleeve is set to the bias and turns, and forms working chamber between the inner wall of the cylinder；It is described
The working chamber is divided into suction chamber and compression chamber, the gap width minimum of the roller outer wall and the cylinder inner wall by slide plate
When, towards the compression chamber between the line of the roller centre and the cylinder axis, and the median plane of the sliding vane groove
Meet between angle β and pressure ratio ε: the ε of β=- 7.37+100.69；The installation method includes:
According to functional relation β=- 7.37 ε+100.69, the line of roller centre and cylinder axis is obtained, in sliding vane groove
Towards the angle β of compression chamber between heart face；
Determine the minimum clearance value of roller outer wall and cylinder inner wall；
According to the minimum clearance value of obtained angle β and roller outer wall and cylinder inner wall, rotor is installed on cylinder；
Wherein, ε=compression cavity pressure/air-breathing cavity pressure.
2. installation method as described in claim 1, which is characterized in that before rotor is installed on cylinder, the method is also wrapped
It includes: the bias that roller is installed on crankshaft is turned.
3. installation method as described in claim 1, which is characterized in that the pressure ratio ε meets: 2.5≤ε≤4.5.
4. installation method as described in claim 1, which is characterized in that between the roller outer wall and the minimum of the cylinder inner wall
Gap value X meets: 0.01mm≤X≤0.02mm.
5. installation method as described in claim 1, which is characterized in that the compression cavity pressure is condensing pressure；The air-breathing
Cavity pressure is evaporating pressure.
6. installation method as claimed in any one of claims 1 to 5, which is characterized in that the compressor further includes being set to institute
The first flange of the first end face of cylinder is stated, and is set to the second flange of the second end face of the cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810907307.8A CN109026698B (en) | 2018-08-08 | 2018-08-08 | A kind of compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810907307.8A CN109026698B (en) | 2018-08-08 | 2018-08-08 | A kind of compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109026698A CN109026698A (en) | 2018-12-18 |
| CN109026698B true CN109026698B (en) | 2019-09-03 |
Family
ID=64633522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810907307.8A Active CN109026698B (en) | 2018-08-08 | 2018-08-08 | A kind of compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109026698B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5885389A (en) * | 1981-11-17 | 1983-05-21 | Mitsubishi Electric Corp | Rolling piston type compressor with two cylinders |
| JPH0626479A (en) * | 1992-07-10 | 1994-02-01 | Toshiba Corp | Multicylinder rotary compressor |
| JP4146781B2 (en) * | 2003-10-22 | 2008-09-10 | 日立アプライアンス株式会社 | Compressor |
| CN202117928U (en) * | 2011-06-14 | 2012-01-18 | 广东美芝制冷设备有限公司 | Capacitance variable type rotary compressor |
| CN202132234U (en) * | 2011-06-21 | 2012-02-01 | 广东美芝制冷设备有限公司 | Double-slip-sheet type rotary compressor |
| CN107061273B (en) * | 2016-12-01 | 2019-09-06 | 广东美芝制冷设备有限公司 | Rotary compressor |
-
2018
- 2018-08-08 CN CN201810907307.8A patent/CN109026698B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109026698A (en) | 2018-12-18 |
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