CN101988498A - Variable-displacement scroll compressor - Google Patents
Variable-displacement scroll compressor Download PDFInfo
- Publication number
- CN101988498A CN101988498A CN2010105482765A CN201010548276A CN101988498A CN 101988498 A CN101988498 A CN 101988498A CN 2010105482765 A CN2010105482765 A CN 2010105482765A CN 201010548276 A CN201010548276 A CN 201010548276A CN 101988498 A CN101988498 A CN 101988498A
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- CN
- China
- Prior art keywords
- scroll
- molded line
- quiet
- movable orbiting
- orbiting scroll
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
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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
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/18—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by varying the volume of the working chamber
- F04C28/185—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by varying the volume of the working chamber by varying the useful pumping length of the cooperating members in the axial direction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
Abstract
The invention relates to a variable-displacement scroll compressor, which comprises a fixed scroll and an orbiting scroll, which are meshed with each other, wherein the orbiting scroll rotates relative to the fixed scroll and can selectively move relative to the fixed scroll along an axial direction; the fixed scroll comprises a fixed scroll profile, a fixed scroll end cap and a fixed scroll cover body which is in sealed fit with the fixed scroll profile and can selectively slide along the axial direction of the fixed scroll profile; the orbiting scroll comprises an orbiting scroll profile matched with the fixed scroll profile, an orbiting scroll end cover and an orbiting scroll cover body which is in sealed fit with the orbiting scroll profile and can selectively slide along the axial direction of the orbiting scroll profile; and the fixed scroll cover body and the orbiting scroll cover body apply quantitative pressures through a pressure device respectively and slide along the axial directions of the fixed scroll profile and the orbiting scroll profile respectively to dynamically control the meshing height of the orbiting scroll profile and the fixed scroll profile.
Description
[technical field]
The present invention relates to scroll compressor, be specifically related to a kind of change discharge capacity Scrawl compressor.
[background technique]
At present, scroll compressor is widely used in people's the production and life as the machinery of compression of fluids such as a kind of gas or liquid or expansion.Scroll compressor comprises two essentially identical movable orbiting scrolls of shape and quiet whirlpool dish, and described movable orbiting scroll and quiet whirlpool dish generally are made up of scroll molded line and vortex end cap two-part.Existing Scrawl compressor, after movable orbiting scroll and the quiet whirlpool dish engagement fit, generally can only be by regulating rotating speed or regulating air displacement by the bypass branch road, regulation range is little, be difficult to air displacement is done in a big way adjustment, be difficult to satisfy produce and life in the requirement of different working conditions and special living environment condition.
[summary of the invention]
The invention provides the change discharge capacity scroll compressor that a kind of air displacement can be done to adjust in a big way.
For achieving the above object, the technical solution used in the present invention is:
A kind of change discharge capacity scroll compressor comprises two intermeshing quiet whirlpool dishes and movable orbiting scroll; Described movable orbiting scroll is with respect to the motion of quiet whirlpool disc spins and optionally axially relatively move the air displacement of control scroll compressor along both;
Described quiet whirlpool dish comprises quiet whirlpool dish scroll molded line, is fixed on quiet vortex end cap, the quiet vortex lid on dish scroll molded line top, described quiet whirlpool, and described quiet vortex lid and described quiet whirlpool dish scroll molded line are sealed and matched and optionally endwisely slip along described quiet whirlpool dish scroll molded line;
Described movable orbiting scroll comprises and the intermeshing movable orbiting scroll scroll molded line of described quiet whirlpool dish scroll molded line, the moving vortex end cap that is fixed on described movable orbiting scroll scroll molded line top, moving vortex lid, being sealed and matched and optionally endwisely slipping along described movable orbiting scroll scroll molded line of described moving vortex lid and described movable orbiting scroll scroll molded line;
After described quiet vortex lid and moving vortex lid are quantitatively exerted pressure by pressure unit respectively, endwisely slip along described quiet whirlpool dish scroll molded line and movable orbiting scroll scroll molded line respectively, dynamically control the engagement height of movable orbiting scroll scroll molded line and quiet whirlpool dish scroll molded line.
Aforesaid a kind of change discharge capacity scroll compressor, described pressure unit is a pressure regulator valve, by the dynamic respectively controlled quiet vortex lid of control of pressure regulator valve and the slip of moving vortex lid, the engagement height of control movable orbiting scroll scroll molded line and quiet whirlpool dish scroll molded line behind both stress balances.
Aforesaid a kind of change discharge capacity scroll compressor, described pressure unit is mechanical push rod, by the dynamic respectively controlled quiet vortex lid of control of mechanical push rod and the slip of moving vortex lid, the engagement height of described movable orbiting scroll scroll molded line of control and quiet whirlpool dish scroll molded line behind both stress balances.
Advantage of the present invention: because moving vortex lid of the present invention and quiet vortex lid can quantitatively be exerted pressure respectively by pressure regulator valve or mechanical push rod, coil endwisely slipping of scroll molded line and movable orbiting scroll scroll molded line in quiet whirlpool respectively, behind both stress balances, dynamically the engagement of control movable orbiting scroll scroll molded line and quiet whirlpool dish scroll molded line highly, thereby influence the size of movable orbiting scroll and quiet whirlpool dish engagement rear space, and then dynamically the size of scroll compressor air displacement is adjusted.
[description of drawings]
Fig. 1 is the embodiment of the invention one a sectional structure schematic representation;
Fig. 2 is an A-A cross section structure schematic representation among Fig. 1;
Sectional structure schematic representation when Fig. 3 is the embodiment of the invention one scroll compressor discharge capacity maximum;
Fig. 4 is the embodiment of the invention two sectional structure schematic representation.
[embodiment]
Embodiment one
Shown in the embodiment one of Fig. 1 to Fig. 3, a kind of change discharge capacity scroll compressor comprises two intermeshing quiet whirlpool dishes 1 and movable orbiting scroll 2; Described movable orbiting scroll 2 rotatablely moves and optionally axially relatively moves along both with respect to quiet whirlpool dish 1, the air displacement of control scroll compressor; Described quiet whirlpool dish 1 comprises quiet whirlpool dish scroll molded line 10, is fixed on quiet vortex end cap 11, the quiet vortex lid 12 on dish scroll molded line 10 tops, described quiet whirlpool, and described quiet vortex lid 12 is sealed and matched with described quiet whirlpool dish scroll molded line 10 and endwisely slipping along described quiet whirlpool dish scroll molded line 10 optionally; Described movable orbiting scroll 2 comprises and described quiet whirlpool dish scroll molded line 10 intermeshing movable orbiting scroll scroll molded lines 20, the moving vortex end cap 21 that is fixed on described movable orbiting scroll scroll molded line 20 tops, moving vortex lid 22 that described moving vortex lid 22 is sealed and matched and optionally endwisely slips along described movable orbiting scroll scroll molded line 20 with described movable orbiting scroll scroll molded line 20; After described quiet vortex lid 12 and moving vortex lid 22 are exerted pressure by pressure regulator valve 3 quantitative inflations respectively, endwisely slip along quiet whirlpool dish scroll molded line 10 and movable orbiting scroll scroll molded line 20 respectively, dynamically the engagement height of scroll molded line is coiled in control movable orbiting scroll scroll molded line and quiet whirlpool, thereby influences the size of movable orbiting scroll 2 and quiet whirlpool dish 1 engagement rear space.The quiet vortex end cap 10 and the quiet vortex lid 12 of quiet whirlpool dish 1 are provided with the exhaust duct 5 that links to each other with exhaust outlet of compressor; On the quiet vortex end cap 10 of quiet whirlpool dish 1, also be provided with quiet whirlpool dish pressure regulator valve control mouth 30, be convenient to control described quiet vortex lid 12 endwisely slipping along described quiet whirlpool dish scroll molded line 10.In addition, rotating shaft cover 6 is installed on the moving vortex end cap 22 of movable orbiting scroll 2, movable orbiting scroll 2 rotation under the rotating shaft that cooperates with described rotating shaft cover 6 drives; On the moving vortex end cap 22 of movable orbiting scroll 2, be provided with movable orbiting scroll pressure regulator valve control mouth 31, be convenient to control described moving vortex lid 22 endwisely slipping along described movable orbiting scroll scroll molded line 20.
Working condition requirement when using according to scroll compressor, the confined space M2 inflation that the confined space M1 that surrounds at quiet whirlpool dish scroll molded line 10, quiet vortex end cap 11, quiet vortex lid 12 respectively by two independent described pressure regulator valves 3 and movable orbiting scroll scroll molded line 20, moving vortex end cap 21, moving vortex lid 22 surround, dynamically controlled quiet vortex lid 12 of control and moving vortex lid 22 endwisely slip along described quiet whirlpool dish scroll molded line 10 and movable orbiting scroll scroll molded line 20 respectively; When quiet vortex lid 12 and moving vortex lid 22 stress balances, promptly coil the pressure N that acts on quiet vortex lid 12 and moving vortex lid 22 and the above-mentioned confined space M1 of the meshing zone formation of scroll molded line from movable orbiting scroll scroll molded line and quiet whirlpool, after the pressure P balance that acts on quiet vortex lid 12 and moving vortex lid 22 that M2 inflation back forms, the engagement of movable orbiting scroll scroll molded line and quiet whirlpool dish scroll molded line highly can redefine, thereby make movable orbiting scroll 2 under corresponding working condition, form new engagement space size, and then obtain the size of corresponding working condition lower compression machine air displacement with quiet whirlpool dish 1.Different working conditions, all can corresponding find the stress balance point of a quiet vortex lid 12 and moving vortex lid 22, therefore, the engagement of described movable orbiting scroll scroll molded line and quiet whirlpool dish scroll molded line highly can dynamically be adjusted, thereby make movable orbiting scroll 2 and quiet whirlpool dish 1 engagement space size can dynamically adjust, and then make the size of compressor air-discharging amount dynamically to adjust.As shown in Figure 1, for after quiet vortex lid 12 and moving vortex lid 22 be subjected to separately pressure regulator valve pressure regulation stress balance, be in the working state schematic representation of medium position, the engagement of described movable orbiting scroll scroll molded line and quiet whirlpool dish scroll molded line highly is Hi; As shown in Figure 3, the working state schematic representation of being close to quiet vortex end cap 11 and moving vortex end cap 2 for quiet vortex lid 12 and moving vortex lid 22 respectively, the engagement height H i of described movable orbiting scroll scroll molded line and quiet whirlpool dish scroll molded line is maximum, and this moment, movable orbiting scroll 2 coiled 1 engagement rear space maximum with quiet whirlpool.Certainly, along with the variation of the engagement height H i of described movable orbiting scroll scroll molded line and quiet whirlpool dish scroll molded line, have in the axial direction between described movable orbiting scroll and the quiet whirlpool dish and relatively move.
When making described compressor, described quiet whirlpool dish scroll molded line 10, quiet vortex end cap 11 and quiet vortex lid 12 squeeze out the independent moulding of section bar by penetration type scroll molded line mold hot respectively, again by height parameter with section bar cut respectively required part, by interference fit quiet whirlpool dish scroll molded line 10 and quiet vortex end cap 11 are fixedly installed togather then, the quiet vortex lid 12 of suit on the dish scroll molded line 10 of quiet whirlpool has just been formed described quiet whirlpool dish 1 again; Certainly, quiet whirlpool dish 1 also can become to carry out behind the blank machine by casting, die casting, extrusion casint and cut assemblying body and the quiet vortex lid 12 that fine finishing or direct mechanical are processed to form described quiet whirlpool dish scroll molded line 10, quiet vortex end cap 11, and then on the dish scroll molded line 10 of quiet whirlpool the quiet vortex lid 12 of suit, form described quiet whirlpool dish 1.
Equally, described movable orbiting scroll scroll molded line 20, moving vortex end cap 21 and moving vortex lid 22 squeeze out the independent moulding of section bar by the penetration type mold hot respectively, by height parameter with section bar cut respectively described movable orbiting scroll scroll molded line 20, moving vortex end cap 21 and moving vortex lid 22, by interference fit movable orbiting scroll scroll molded line 20 and moving vortex end cap 21 are assembled together, the moving vortex lid 22 of suit on movable orbiting scroll scroll molded line 20 forms described movable orbiting scroll 2 together again; Certainly, movable orbiting scroll 2 also can become to carry out behind the blank machine by casting, die casting, extrusion casint and cut assemblying body and the moving vortex lid 22 that fine finishing or direct mechanical are processed to form described movable orbiting scroll scroll molded line 20, moving vortex end cap 21, and then suit moves vortex lid 22 on movable orbiting scroll scroll molded line 20, forms described movable orbiting scroll 2.
Embodiment two
As shown in Figure 4, present embodiment two is with embodiment one unique different place, described pressure unit is one to have power-actuated mechanical push rod 4, as piston or screw mechanism, control quiet vortex lid and the moving vortex lid dynamically controlled respectively by mechanical push rod 4 endwisely slip along described movable orbiting scroll scroll molded line and quiet whirlpool dish scroll molded line, along with the variation that the engagement height H i of scroll molded line is coiled in described movable orbiting scroll scroll molded line and quiet whirlpool, the size of compressor air-discharging amount can dynamically be adjusted.
Change discharge capacity scroll compressor of the present invention can also have other distortion, as pressure unit can by hydraulic pressure conduction or the moving vortex lids of other mechanical structures control and quiet vortex lid along as described in the movable orbiting scroll scroll molded line coil scroll molded line with quiet whirlpool and endwisely slip; In a word, do conspicuous change, and other every change that does not break away from patent essence of the present invention all should be included within the claimed scope of claim according to the prompting of above-mentioned example.
Claims (3)
1. one kind becomes the discharge capacity scroll compressor, comprises two intermeshing quiet whirlpool dishes and movable orbiting scroll; It is characterized in that,
Described movable orbiting scroll is with respect to the motion of quiet whirlpool disc spins and optionally axially relatively move the air displacement of control scroll compressor along both;
Described quiet whirlpool dish comprises quiet whirlpool dish scroll molded line, is fixed on quiet vortex end cap, the quiet vortex lid on dish scroll molded line top, described quiet whirlpool, and described quiet vortex lid and described quiet whirlpool dish scroll molded line are sealed and matched and optionally endwisely slip along described quiet whirlpool dish scroll molded line;
Described movable orbiting scroll comprises and the intermeshing movable orbiting scroll scroll molded line of described quiet whirlpool dish scroll molded line, the moving vortex end cap that is fixed on described movable orbiting scroll scroll molded line top, moving vortex lid, being sealed and matched and optionally endwisely slipping along described movable orbiting scroll scroll molded line of described moving vortex lid and described movable orbiting scroll scroll molded line;
After described quiet vortex lid and moving vortex lid are quantitatively exerted pressure by pressure unit respectively, endwisely slip along described quiet whirlpool dish scroll molded line and movable orbiting scroll scroll molded line respectively, dynamically control the engagement height of movable orbiting scroll scroll molded line and quiet whirlpool dish scroll molded line.
2. a kind of change discharge capacity scroll compressor according to claim 1, it is characterized in that, described pressure unit is a pressure regulator valve, by the dynamic respectively controlled quiet vortex lid of control of pressure regulator valve and the slip of moving vortex lid, and then the engagement height of control movable orbiting scroll scroll molded line and quiet whirlpool dish scroll molded line.
3. a kind of change discharge capacity scroll compressor according to claim 1, it is characterized in that, described pressure unit is one to have the pre-bar of power-actuated machinery, by the dynamic respectively controlled quiet vortex lid of control of mechanical push rod and the slip of moving vortex lid, and then the engagement height of control movable orbiting scroll scroll molded line and quiet whirlpool dish scroll molded line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105482765A CN101988498A (en) | 2010-11-17 | 2010-11-17 | Variable-displacement scroll compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105482765A CN101988498A (en) | 2010-11-17 | 2010-11-17 | Variable-displacement scroll compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101988498A true CN101988498A (en) | 2011-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105482765A Pending CN101988498A (en) | 2010-11-17 | 2010-11-17 | Variable-displacement scroll compressor |
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| Country | Link |
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| CN (1) | CN101988498A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150415A (en) * | 2017-12-29 | 2018-06-12 | 合肥通用机械研究院 | A kind of volume variable screw compressor |
| CN114542459A (en) * | 2022-02-23 | 2022-05-27 | 珠海格力电器股份有限公司 | Variable-capacity scroll compressor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5768580A (en) * | 1980-10-17 | 1982-04-26 | Hitachi Ltd | Enclosed scroll compressor |
| JPS61123789A (en) * | 1984-11-19 | 1986-06-11 | Nippon Radiator Co Ltd | Variable displacement scroll type compressor |
| JPH0211882A (en) * | 1988-06-29 | 1990-01-16 | Matsushita Electric Ind Co Ltd | Variable displacement scroll compressor |
| CN201908835U (en) * | 2010-11-17 | 2011-07-27 | 王少朋 | Variable-displacement vortex compressor |
-
2010
- 2010-11-17 CN CN2010105482765A patent/CN101988498A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5768580A (en) * | 1980-10-17 | 1982-04-26 | Hitachi Ltd | Enclosed scroll compressor |
| JPS61123789A (en) * | 1984-11-19 | 1986-06-11 | Nippon Radiator Co Ltd | Variable displacement scroll type compressor |
| JPH0211882A (en) * | 1988-06-29 | 1990-01-16 | Matsushita Electric Ind Co Ltd | Variable displacement scroll compressor |
| CN201908835U (en) * | 2010-11-17 | 2011-07-27 | 王少朋 | Variable-displacement vortex compressor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150415A (en) * | 2017-12-29 | 2018-06-12 | 合肥通用机械研究院 | A kind of volume variable screw compressor |
| CN114542459A (en) * | 2022-02-23 | 2022-05-27 | 珠海格力电器股份有限公司 | Variable-capacity scroll compressor |
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Application publication date: 20110323 |