CN102472106A - Scroll fluid machine - Google Patents
Scroll fluid machine Download PDFInfo
- Publication number
- CN102472106A CN102472106A CN2010800360153A CN201080036015A CN102472106A CN 102472106 A CN102472106 A CN 102472106A CN 2010800360153 A CN2010800360153 A CN 2010800360153A CN 201080036015 A CN201080036015 A CN 201080036015A CN 102472106 A CN102472106 A CN 102472106A
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- CN
- China
- Prior art keywords
- orbiting scroll
- movable orbiting
- working room
- connectivity slot
- coiling portion
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C1/00—Rotary-piston machines or engines
- F01C1/02—Rotary-piston machines or engines 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
- F01C1/0207—Rotary-piston machines or engines 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
- F01C1/0246—Details concerning the involute wraps or their base, e.g. geometry
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C11/00—Combinations of two or more machines or engines, each being of rotary-piston or oscillating-piston type
- F01C11/002—Combinations of two or more machines or engines, each being of rotary-piston or oscillating-piston type of similar working principle
- F01C11/004—Combinations of two or more machines or engines, each being of rotary-piston or oscillating-piston type of similar working principle and of complementary function, e.g. internal combustion engine with supercharger
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/18—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
Abstract
Disclosed is a scroll fluid machine wherein a scroll unit achieves higher performance while maintaining reliability. The disclosed scroll fluid machine is provided with: a first actuation chamber (100) and second actuation chamber (102) partitioned by the central end (98) of a wrap (48, 64) of a fixed scroll (44, 60) and the central end (96) of a wrap (46, 62) of a movable scroll (42, 58); and a connection path (106, 119, 112). When at least part of a connection hole (52, 72) gets blocked by the central end of the wrap of the movable scroll as the movable scroll moves in a circle, the connection path connects the first and second actuation chambers with the connection hole. When the central ends of the wraps of the fixed and movable scrolls abut against each other, the connection path cuts off the connection between the first and second actuation chambers and the connection hole.
Description
Technical field
The present invention relates to a kind of scroll fluid equipment.
Background technique
This scroll fluid equipment has vortex element; Vortex element is made up of relatively upright respectively static vortex disk and the movable orbiting scroll that is provided with spiral helicine coiling portion on each basal plane of each substrate; Through making the movable orbiting scroll circumnutation of revolving round the sun around the axle center of static vortex disk, thereby between each coiling portion of static vortex disk and movable orbiting scroll, form working room as the refrigeration agent of the working fluid of fluid device.State in the use under the situation of fluid device as expander, be formed through inlet hole at the central part of the substrate of static vortex disk, and make the refrigerant circuit of refrigeration agent outside vortex element be sucked into expansion chamber as the working room of refrigeration agent via inlet hole.
In addition; Following technology is disclosed in patent documentation 1: make vortex element carry out high efficiency expansion work in order to correct the imbalance between the working room when refrigeration agent expands beginning; Central front end in the tooth portion (coiling portion) of the whirlpool dish (movable orbiting scroll) that circles round forms recess, and when introducing port (inlet hole) during at the first working room split shed, recess makes second working room be communicated with introducing port; When first working room and introducing port are blocked, in synchronization recess and the blocking-up of second working room.
The existing technology document
Patent documentation
Patent documentation 1: Japanese Patent Laid is opened the 2006-242133 communique
Summary of the invention
Invent technical problem to be solved
Yet, adopting under the situation of above-mentioned existing technology, owing to form recess, therefore, the intensity of this coiling portion is reduced at the central front end of the coiling portion of movable orbiting scroll, thus maybe be damaged because of the revolution circumnutation of movable orbiting scroll.
In addition; Under the situation that adopts above-mentioned existing technology; Because along with the revolution circumnutation of movable orbiting scroll, at least a portion of inlet hole can be by the central front end sealing of this coiling portion, therefore; Exist the volume of the cooling medium minimizing, the expansion efficiency of refrigeration agent in vortex element that get into vortex element to reduce such problem, thereby on the working efficiency of raising refrigeration agent in vortex element, still have technical problem.
The present invention does in view of above-mentioned technical problem, and its purpose is to provide a kind of scroll fluid equipment that can when guaranteeing the reliability of vortex element, improve its performance.
The technological scheme that the technical solution problem is adopted
For realizing above-mentioned purpose; The characteristic of the scroll fluid equipment that technological scheme one is put down in writing is; Comprise: vortex element; This vortex element is made up of relatively upright respectively static vortex disk and the movable orbiting scroll that is provided with spiral helicine coiling portion on each basal plane of each substrate, through making the movable orbiting scroll circumnutation of revolving round the sun around the axle center of static vortex disk, team and between each coiling portion of static vortex disk and movable orbiting scroll the working room of formation working fluid; Intercommunicating pore, this intercommunicating pore are that the central part through the substrate that runs through static vortex disk forms, and the working room is communicated with outward with vortex element; First working room, this first working room are divided by the inwall of the central front end of the coiling portion of the outer wall of the central front end of the coiling portion of static vortex disk and movable orbiting scroll to form; Second working room, this second working room are divided by the outer wall of the central front end of the coiling portion of the inwall of the central front end of the coiling portion of static vortex disk and movable orbiting scroll to form; And access; Revolution circumnutation along with movable orbiting scroll; When at least a portion of intercommunicating pore is sealed by the central front end of the coiling portion of movable orbiting scroll; Above-mentioned access makes first working room and second working room be communicated with intercommunicating pore, and when the central front end of the coiling portion of static vortex disk and movable orbiting scroll was against each other, above-mentioned access was blocked being communicated with between first working room and second working room and the intercommunicating pore.
In addition; The invention that technological scheme two is put down in writing is on the basis of technological scheme one; It is characterized in that access is arranged with the connectivity slot in the scope before the arrival intercommunicating pore on the basal plane of static vortex disk, connectivity slot is formed in the following scope: along with the revolution circumnutation of movable orbiting scroll; When at least a portion of intercommunicating pore is sealed by the central front end of the coiling portion of movable orbiting scroll; At least a portion of connectivity slot is at first working room and second working room's split shed, and when the central front end of the coiling portion of static vortex disk and movable orbiting scroll was against each other, connectivity slot was all hidden by the coiling portion of movable orbiting scroll.
In addition, the invention that technological scheme three is put down in writing is on the basis of technological scheme two, it is characterized in that, when at least a portion of intercommunicating pore was sealed by the central front end of the coiling portion of movable orbiting scroll, connectivity slot made first working room be communicated with second working room.
In addition; The invention that technological scheme four is put down in writing is on the basis of technological scheme two; It is characterized in that; When at least a portion of intercommunicating pore was sealed by the central front end of the coiling portion of movable orbiting scroll, connectivity slot was made up of first connectivity slot that first working room is communicated with intercommunicating pore and second connectivity slot that second working room is communicated with intercommunicating pore.
In addition; The invention that technological scheme five is put down in writing is on the basis of technological scheme two; It is characterized in that; Connectivity slot is formed in the following scope: at least a portion of intercommunicating pore during by the central front end sealing of the coiling portion of movable orbiting scroll, the opening area of connectivity slot that corresponds respectively to first working room and second working room is roughly the same.
In addition, the invention that technological scheme six is put down in writing is on the basis of arbitrary technological scheme in technological scheme three to technological scheme five, it is characterized in that, vortex element forms symmetrical eddy's structure.
In addition, the invention that technological scheme seven is put down in writing is on the basis of technological scheme two, it is characterized in that, the groove width of connectivity slot is littler than the width of the central front end of the coiling portion of movable orbiting scroll.
In addition, the invention that technological scheme eight is put down in writing is on the basis of technological scheme one, it is characterized in that, scroll fluid equipment is with the expander of working room as expansion chamber.
The invention effect
The scroll fluid equipment of being put down in writing according to technological scheme one of the present invention; Owing to have access; Even if along with the revolution circumnutation of movable orbiting scroll, at least a portion of intercommunicating pore also can be enlarged the stream of the working fluid between first expansion chamber and second expansion chamber and the inlet hole by the central front end sealing of the coiling portion of movable orbiting scroll; Therefore, the minimizing of the amount of working fluid of circulation between preventing outside working room and vortex element.
In addition; Even if revolution circumnutation along with movable orbiting scroll; The central front end of the coiling portion of static vortex disk and movable orbiting scroll is against each other; Also can block being communicated with between first working room and second working room and the intercommunicating pore, thereby can form the working room that blocks fully with first working room and second working room at the central part that offers intercommunicating pore.Therefore; Can prevent that working fluid from leaking from above-mentioned working room; And the minimizing of the amount of working fluid that circulates between preventing outside working room and vortex element, thereby, can prevent the reduction of the working efficiency of working fluid in vortex element; And can when guaranteeing the reliability of vortex element, improve its performance.
In addition; The invention of being put down in writing according to technological scheme two; Particularly; Access is to be arranged with at the basal plane of static vortex disk to arrive the connectivity slot that the scope indent of intercommunicating pore is located at, and connectivity slot is formed in the following scope: at least a portion that makes intercommunicating pore when the revolution circumnutation that is accompanied by movable orbiting scroll is during by the central front end blocking-up of the coiling portion of movable orbiting scroll, and at least a portion of connectivity slot is at first working room and second working room's split shed; When the central front end of the coiling portion of static vortex disk and movable orbiting scroll was against each other, connectivity slot was all covered by the coiling portion of movable orbiting scroll.By this, can not process the durability of damaging vortex element, only through just when guaranteeing the reliability of movable orbiting scroll, improving its performance in that the so easy structure of groove is set on the static vortex disk because of coiling portion to movable orbiting scroll.
In addition, according to the invention that technological scheme three is put down in writing, when at least a portion of intercommunicating pore was sealed by the central front end of the coiling portion of movable orbiting scroll, connectivity slot made first working room be communicated with second working room.By this; When at least a portion of intercommunicating pore is sealed by the central front end of the coiling portion of movable orbiting scroll; First working room and second working room are in all to press; Therefore, can make working fluid outside working room and vortex element between circulation more swimmingly, and can further improve the working efficiency of working fluid in vortex element.
In addition; The invention of being put down in writing according to technological scheme four; When at least a portion of intercommunicating pore was sealed by the central front end of the coiling portion of movable orbiting scroll, connectivity slot was made up of first connectivity slot that first working room is communicated with intercommunicating pore and second connectivity slot that second working room is communicated with intercommunicating pore.By this; In order to increase the degrees of freedom of connectivity slot shape; Revolution circumnutation along with movable orbiting scroll; Form before the working room that blocks fully with first working room and second working room at the central part of offering intercommunicating pore, make the central front end of coiling portion of static vortex disk and movable orbiting scroll against each other, and first connectivity slot and second connectivity slot are formed at respectively can be in the scope of first working room and second working room's opening.Therefore, can make working fluid outside working room and vortex element between circulation more swimmingly, and can further improve the working efficiency of working fluid in vortex element.
In addition; The invention of being put down in writing according to technological scheme five; Connectivity slot is formed in the following scope: at least a portion of intercommunicating pore during by the central front end sealing of the coiling portion of movable orbiting scroll, the opening area of connectivity slot that corresponds respectively to first working room and second working room is roughly the same.By this; When at least a portion of intercommunicating pore is sealed by the central front end of the coiling portion of movable orbiting scroll; The working fluid of roughly the same amount is circulated in first working room and second working room; Therefore, make working fluid outside working room and vortex element between circulation more swimmingly, and can further improve the working efficiency of working fluid in vortex element.
In addition; The invention of being put down in writing according to technological scheme six; Because vortex element forms symmetrical eddy's structure, working fluid is circulated between outside working room and vortex element swimmingly, therefore; Vortex element work imbalance between the working room when beginning can be corrected, thereby the deviation of movable orbiting scroll can be prevented reliably with respect to static vortex disk.Therefore, can when further guaranteeing the reliability of vortex element reliably, improve its performance.
In addition; The invention of being put down in writing according to technological scheme seven is because the groove width of connectivity slot is littler than the width of the central front end of the coiling portion of movable orbiting scroll, therefore; Can prevent revolution circumnutation along with movable orbiting scroll; The central front end of above-mentioned coiling portion is stuck in the situation in the connectivity slot, thereby can in the reliability of side vortex element of further guaranteeing reliably to expand, improve its performance.
In addition, the invention according to technological scheme eight is put down in writing particularly, because scroll fluid equipment is with the expander of working room as expansion chamber, therefore, can improve the expansion efficiency of working fluid in vortex element.
Description of drawings
Fig. 1 is the longitudinal section of the scroll fluid equipment of an embodiment of the present invention.
Fig. 2 is the plan view of central part of before forming central expansion chamber, observing the expansion side vortex element of first embodiment of the invention from the movable orbiting scroll side.
Fig. 3 (a) is the plan view that the central part of the static vortex disk in the expansion side vortex element of Fig. 2 only is shown, and Fig. 3 (b) is a sectional view of observing the A-A cross section of Fig. 3 (a) from the direction of arrow.
Fig. 4 is the plan view of central part of when forming central expansion chamber, observing the expansion side vortex element of Fig. 2 from the movable orbiting scroll side.
Fig. 5 is the plan view of central part of after having formed central expansion chamber, having observed the expansion side vortex element of Fig. 4 from the movable orbiting scroll side.
Fig. 6 is the plan view of central part of before forming central expansion chamber, observing the expansion side vortex element of second embodiment of the invention from the movable orbiting scroll side.
Fig. 7 is the plan view of central part of when forming central expansion chamber, observing the expansion side vortex element of Fig. 6 from the movable orbiting scroll side.
Fig. 8 is the plan view of central part of after having formed central expansion chamber, having observed the expansion side vortex element of Fig. 7 from the movable orbiting scroll side.
Fig. 9 is the plan view of central part of when forming central expansion chamber, observing the expansion side vortex element of second embodiment of the invention from the movable orbiting scroll side.
Embodiment
Fig. 1 representes the longitudinal section of scroll fluid equipment 1.Fluid device 1 for example is the vertical one-piece type expander of compressor; And this fluid device 1 is inserted into to make and is in the not shown refrigeration cycle such as postcritical carbon dioxide coolant circuit heat pump, and this refrigeration cycle is assembled in not shown refrigerating and air-conditioning, heat pump type hot water supply device etc.Stating expander 4 after the above-mentioned refrigeration cycle utilization changes into power with the expansion energy of refrigeration agent and comes Driven Compressor 2.
On the other hand, be formed with the downside eccentric axial portion 10b in the axle center of departing from live axle 4 in the lower end of downside axial region 8b, be connected with expansion side vortex element (vortex element) 18 through bearing portion 16 at downside eccentric axial portion 10b place.Like this, in shell 6 along vertical from contain compressor 2, the expander 4 that is connected with shared live axle 8 successively.
In detail, on drain pan 24, be connected with the suction pipe 38 that the refrigeration agent that gets into from the external circuit is sucked, be formed with suction chamber 40 in the inboard of drain pan 24, suction pipe 38 is at suction chamber 40 place's openings.
Movable orbiting scroll 42 with can not rotation but the mode of the circumnutation of revolving round the sun be bearing on the pedestal part of underside frame 32, on the back side 42c of an opposite side, be equipped with shaft sleeve part 50 with basal plane 42b, shaft sleeve part 50 is connected with downside eccentric axial portion 10b.
According to above-mentioned expander 4; Shown in solid arrow among Fig. 1; The refrigeration agent that is inhaled into from suction pipe 38 is flowing through suction chamber 40, inlet hole 52 back entering expansion side vortex elements 18; And moving, thereby refrigeration agent is expanded in the expansion chamber of 46,48 in each coiling portion that is formed at each whirlpool dish 42,44 through movable orbiting scroll 42 and static vortex disk 44 are assisted each other.Expansion chamber is when the outer circumferential side towards each whirlpool dish 42,44 moves, and its volume increases, and makes movable orbiting scroll 42 circumnutation of revolving round the sun around the axle center of static vortex disk 44 thus.
On the other hand, compressor 2 is made up of movable orbiting scroll 58 and static vortex disk 60, in the spiral helicine coiling portion 62,64 that the last relatively upright involute curve that is provided with by regulation of each whirlpool dish 58,60 substrate 58a, the basal plane 58b of 60a, 60b separately constitutes.
Movable orbiting scroll 58 with can not rotation but the mode of the circumnutation of revolving round the sun be bearing on the pedestal part of upperside frame 28, on the back side 58c of an opposite side, be equipped with shaft sleeve part 66 with basal plane 58b, shaft sleeve part 66 is connected with upside eccentric axial portion 10a.
On top shell 22, be connected with the discharge tube 68 that the refrigeration agent that flows through compressed side vortex element 14 is discharged towards the outside of shell 6, discharge tube 68 is at the discharge chamber 70 place's openings that are formed at top shell 22 inboards.
According to above-mentioned compressor 2; Shown in solid arrow among Fig. 1; The refrigeration agent that is inhaled into from suction pipe 76 is flowing through suction chamber 74 back entering compressed side vortex elements 14; And moving, thereby refrigeration agent is compressed in the pressing chamber of 62,64 in the coiling portion that is formed at each whirlpool dish 58,60 through movable orbiting scroll 58 and static vortex disk 60 are assisted each other.Through making live axle 8 rotations of inserting shaft sleeve part 66, make movable orbiting scroll 58 running of circling round of revolving round the sun around the axle center of static vortex disk 60, thereby make pressing chamber when the central part that coils 58,60 towards each whirlpool moves, its volume reducing.In addition, the refrigeration agent that is in high pressure along with the minimizing of compression chamber volume is flowing through tap hole 72, is discharging chamber 70 after be sent to the external circuit outside the shell 6 by discharge tube 68.
Like this, in fluid device 1, utilize the pressure of refrigeration agent to drive, thereby can drive being positioned at the compressed side vortex element 14 that is driven a side through above-mentioned power to being positioned at the expansion side vortex element 18 that drives a side.
On the other hand, in space 36, be formed with oil chamber 78, in this oil chamber 78, store and be used for lubricant oil that expansion side vortex element 18 and compressed side vortex element 14 are lubricated.
In detail; In upside axial region 8a, run through and be provided with the oil circuit 80 of the open upper end of the 8a of side shaft portion up along the axial direction of live axle 8; In downside axial region 8b, run through being provided with the oil circuit 82 of the lower ending opening of the 8b of side shaft portion down, and oil circuit 82 is communicated with oil circuit 80 along the axial direction of live axle 8.Each oil circuit 80,82 utilizes along the not shown oil supply hole of the radial perforation of live axle 8 and is communicated with oil chamber 78.
The lubricant oil that is stored in the oil chamber 78 flows through upper end and the lower end discharge of oil circuit 80,82 backs from live axle 8 from oil supply hole shown in dotted arrow among Fig. 1; Bearing portion 12,16 has been carried out lubricated after; When bearing portion 26,30 was lubricated, the slide part to each vortex element 14,18 in the back pressure chamber 84,86 of the lubricant oil between the back side 28c that is formed at upperside frame 28 and movable orbiting scroll 58 respectively, between the back side 42c of underside frame 32 and movable orbiting scroll 42 was lubricated.In addition, utilize the pressure of each back pressure chamber 84,86 to make each movable orbiting scroll 42,58 pushed the application of force respectively, by this, can make each movable orbiting scroll 42,58 with respect to the circumnutation of revolving round the sun smoothly of each static vortex disk 44,60 to each static vortex disk 44,60.
In addition, on upperside frame 28, be equipped with oil circuit 88, on underside frame 32, be equipped with 36 oil circuits 90 to back pressure chamber 86 from the space from back pressure chamber 84 to space 36.Lean on the opening of space 36 1 sides to be connected with oil guide pipe 92 at each oil circuit 88,90, oil guide pipe 92 is configured in the space 36 with oil chamber 78 airtightly.At the backpressure adjusting mechanism that is provided with back pressure chamber 86 midway 94 of oil circuit 90, oil circuit 90 also can be used as the unnecessary high pressure in the back pressure chamber 86 is discharged into the pressure release line in the PRESSURE PIPE 92.
Like this, be used for the lubricant oil that lubricated expansion side vortex element 18 sides were lubricated or formed back pressure chamber 86 is supplied to back pressure chamber 84 via oil guide pipe 92 shown in Fig. 1 dotted arrow, thereby help to form back pressure chamber 84.The lubricant oil that helps to form back pressure chamber 84 is supplied to suction chamber 74 with behind back pressure chamber 84 and the not shown pressure regulating mechanism that suction chamber 74 is communicated with flowing through; After compressed side vortex element 14 is lubricated, is flowing through tap hole 72, discharging chamber 70 after be sent to the external circuit outside the shell 6 by discharge tube 68 with refrigeration agent.
Fig. 2, Fig. 4 and Fig. 5 are the plan views of central part of observing the expansion side vortex element 18 of first mode of execution from movable orbiting scroll 42 sides.In above-mentioned each figure; Show first expansion chamber (first working room), 100 and second expansion chamber (second working room) 102; Wherein, Above-mentioned first expansion chamber 100 is to be divided by the inwall 96b of the central front end 96 of the coiling portion 46 of the outer wall 98a of the central front end 98 of the coiling portion 48 of static vortex disk 44 and movable orbiting scroll 42 to form, and above-mentioned second expansion chamber 102 is that the outer wall 96a division by the central front end 96 of the coiling portion 46 of the inwall 98b of the central front end 98 of the coiling portion 48 of static vortex disk 44 and movable orbiting scroll 42 forms.
Fig. 2 represent along with movable orbiting scroll 42 the revolution circumnutation, form central expansion chamber (working room) 104 state of block fully with first working room 100 and second working room 102 before in the position that offers inlet hole 52.
On the basal plane 44b of static vortex disk 44, being concaved with a connectivity slot (access) 106, is continuous in the scope of this connectivity slot 106 before arriving inlet hole 52.
In detail; With reference to the plan view that the central part of static vortex disk 44 only is shown among Fig. 3 (a); Part in the outer rim of connectivity slot 106 is along inwall 98b; The outer rim of connectivity slot 106 is across inlet hole 52, thus make with Fig. 3 (a) in the imaginary line 108 represented with the dot and dash line connectivity slot 106 whole plane shapes when linking to each other be the roughly S font of at least a portion that comprises inlet hole 52.
In addition; Also shown in the sectional view in the A-A cross section of Fig. 3 (a) of observing from the direction of arrow among Fig. 3 (b); Be formed with the stepped part 52a of ring-type at the peristome place of inlet hole 52; The groove bottom 106a of connectivity slot 106 is formed in the scope from basal plane 44b to stepped part 52a, and connectivity slot 106 is communicated with inlet hole 52 through stepped part 52a.
Because connectivity slot 106 forms above-mentioned shape and scope; Therefore; When at least a portion before the refrigeration agent that forms central expansion chamber 104 gets into end, inlet hole 52 is sealed by the central front end 96 of the coiling portion 46 of movable orbiting scroll 42; At least a portion of connectivity slot 106 is at first expansion chamber 100 and second expansion chamber, 102 place's openings; Shown in solid line among Fig. 2, form than central front end 96, the 98 big refrigerant passage of clearance G 1, G2 to each other by connectivity slot 106, refrigeration agent flows into first expansion chamber 100 and second expansion chamber 102 via this refrigerant passage from inlet hole 52.
In addition, at this moment, first expansion chamber 100 and second expansion chamber 102 are communicated with through connectivity slot 106, thereby refrigeration agent also can circulate between first expansion chamber 100 and second expansion chamber 102.
And, at this moment, also preestablish the shape and the scope of connectivity slot 106, so that it is roughly the same to correspond respectively to the opening area of connectivity slot 106 of first expansion chamber 100 and second expansion chamber 102.
Fig. 4 representes that movable orbiting scroll 42 further revolves round the sun from the state of Fig. 2 and circles round and be in the refrigeration agent that forms central expansion chamber 104 and get into the state after finishing.Can know that from this figure connectivity slot 106 is formed in the following scope: forming central expansion chamber 104 promptly when the central front end of the volume portion 48,46 of static vortex disk 44 and movable orbiting scroll 42 98,96 is against each other, connectivity slot 46 is all hidden by the coiling portion 46 of movable orbiting scroll 42.
Fig. 5 representes that movable orbiting scroll 42 further revolves round the sun from the state of Fig. 4 and circles round and be in the state that has formed behind the central expansion chamber 104.Can know by this figure; Connectivity slot 106 is formed in the following scope: not only before forming central expansion chamber 104, during the central expansion chamber 104 of formation; Even if after forming central expansion chamber 104, can not comprise that each expansion chamber of first expansion chamber 100 and second expansion chamber 102 causes obstacle to revolution circumnutation, the formation of movable orbiting scroll 42 yet.Particularly, connectivity slot 106 is formed on its groove width than in the little scope of the width of the central front end 96 of the coiling portion 46 of movable orbiting scroll 42.
As stated; In this mode of execution; Owing to have connectivity slot 106, therefore, even if along with the revolution circumnutation of movable orbiting scroll 42; Before at least a portion of inlet hole 52 is by the formation central authorities expansion chamber 104 of central front end 96 sealings of the coiling portion 46 of movable orbiting scroll 42, be before refrigeration agent gets into end; Also can enlarge the refrigerant flow path between first expansion chamber 100 and second expansion chamber 102 and the inlet hole 52, therefore, can prevent outside expansion chamber and expansion side vortex element 18 between circulation volume of the cooling medium, promptly get into the minimizing of the refrigeration agent inlet of expansion side vortex element 18.
In addition; Revolution circumnutation along with movable orbiting scroll 42; When the central front end of the coiling portion 48,46 of static vortex disk 44 and movable orbiting scroll 42 98,96 is against each other; Also can block being communicated with of first expansion chamber 100 and second expansion chamber 102 and inlet hole 52, thereby can form the central expansion chamber of blocking fully with first expansion chamber 100 and second expansion chamber 102 104 at the central part that offers inlet hole 52.Therefore; Can not only prevent that refrigeration agent from leaking from above-mentioned central expansion chamber 104; Can also prevent to get into the minimizing of the refrigeration agent inlet of expansion side vortex element 18, thereby, the reduction of the expansion efficiency of refrigeration agent in expansion side vortex element 18 can be prevented; And can in the reliability of side vortex element 18 of guaranteeing to expand, improve its performance.
In addition; Because connectivity slot 106 is arranged with in the scope before the arrival inlet hole 52 on the basal plane 44b of static vortex disk 44; Therefore, can not process the durability of damaging expansion side vortex element 18, only through this easy structure of groove is set on static vortex disk 44 because of coiling portion 46 to movable orbiting scroll 42; Just can in the reliability of side vortex element 18 of guaranteeing to expand, improve its performance.
In addition; Because before forming central expansion chamber 104, be that refrigeration agent gets into before the end; Connectivity slot 106 makes first expansion chamber 100 be communicated with second expansion chamber 102, presses thereby first expansion chamber 100 and second expansion chamber 102 are in all, therefore; Can make refrigeration agent get into expansion side vortex element 18 more swimmingly, and can further improve the expansion efficiency of refrigeration agent in expansion side vortex element 18.
In addition, connectivity slot 106 is formed in the following scope: before forming central expansion chamber 104, be that refrigeration agent gets into before the end, the opening area of intercommunicating pore that corresponds respectively to first expansion chamber 100 and second expansion chamber 102 is roughly the same.By this; Before forming central expansion chamber 104, be that refrigeration agent gets into before the end; The refrigeration agent of roughly the same amount is got in first expansion chamber 100 and second expansion chamber 102; Therefore, refrigeration agent is got into towards expansion side vortex element 18, and can further improve the expansion efficiency of refrigeration agent in expansion side vortex element 18.
In addition; Because the groove width of connectivity slot 106 is littler than the width of the central front end 96 of the coiling portion 46 of movable orbiting scroll 42; Therefore, can prevent the revolution circumnutation along with movable orbiting scroll 42, the central front end 96 of above-mentioned coiling portion 46 is stuck in the situation in the connectivity slot 106; Thereby can in the reliability of side vortex element 18 of further guaranteeing reliably to expand, improve its performance.
Then, Fig. 6～Fig. 8 is the plan view of central part of observing the expansion side vortex element 18 of second mode of execution from movable orbiting scroll 42 sides.To the position mark identical symbol identical, and omit its explanation with above-mentioned first mode of execution.
Fig. 6 shows the revolution circumnutation along with movable orbiting scroll 42, and be in form central expansion chamber 104 before, be that refrigeration agent gets into the state before finishing.Can know that by this figure the connectivity slot of this mode of execution is made up of first connectivity slot that first expansion chamber 100 is communicated with inlet hole 52 (access, connectivity slot) 110 and second connectivity slot (access, connectivity slot) that second expansion chamber 102 is communicated with inlet hole 52 112.
In detail, first connectivity slot 110 can be in first connectivity slot 110 constitutes the scope of curve of the track that roughly circles round along the revolution of movable orbiting scroll 42, is long groove shape from inlet hole 52 towards first expansion chamber, 100 sides and extends and be provided with.On the other hand, in the scope that is straight line roughly of second connectivity slot 112 in track is circled round in the revolution that second connectivity slot 120 constitutes movable orbiting scrolls 42, be long groove shape ground from inlet hole 52 towards second expansion chamber, 102 sides and extend setting.
Through making first connectivity slot 110, second connectivity slot 112 form above-mentioned shape and scope; Be that refrigeration agent gets into when finishing at least a portion before, inlet hole 52 by central front end 96 sealings of the coiling portion 46 of movable orbiting scroll 42 before forming central expansion chamber 104; First connectivity slot 110 is communicated with first expansion chamber 100; Second connectivity slot 112 is communicated with second expansion chamber 102, and first expansion chamber 100 is communicated with across slight gap with second expansion chamber 102.
In addition, at this moment, make first connectivity slot 110 and second connectivity slot, 112 openings, so that roughly the same with opening area corresponding to second connectivity slot 112 of second expansion chamber 102 corresponding to the opening area of first connectivity slot 110 of first expansion chamber 100.
Fig. 7 representes that movable orbiting scroll 42 further revolves round the sun from the state of Fig. 6 and circles round and be in refrigeration agent when forming central expansion chamber 104 and get into the state when finishing.Can know by this figure; First connectivity slot 110 and second connectivity slot 112 are formed in the following scope: in that the central front end of the coiling portion 48,46 of static vortex disk 44 and movable orbiting scroll 42 98,96 is against each other when forming central expansion chamber 104, first connectivity slot 110 and second connectivity slot 112 are all hidden by the coiling portion 96 of movable orbiting scroll 42.
Fig. 8 representes that movable orbiting scroll 42 further revolves round the sun from the state of Fig. 7 and circles round and be in the state that has formed behind the central expansion chamber 104.Can know by this figure; First connectivity slot 110 and second connectivity slot 112 are formed in the following scope: not only before forming central expansion chamber 104, when forming central expansion chamber 104; Even if after having formed central expansion chamber 104, can not cause obstacle to revolution circumnutation, the formation expansion chamber of movable orbiting scroll 42 yet.Particularly, first connectivity slot 110 and second connectivity slot 112 be formed on above-mentioned each groove groove width than in the little scope of the width of the central front end 96 of the coiling portion 46 of movable orbiting scroll 42.
As stated; This mode of execution is also identical with above-mentioned first mode of execution, can prevent that refrigeration agent from leaking from above-mentioned central expansion chamber 104, and can prevent to get into the minimizing of the refrigeration agent inlet of expansion side vortex element 18; Therefore; Can prevent that the expansion efficiency of refrigeration agent in expansion side vortex element 18 from reducing, and can in the reliability of side vortex element 18 of guaranteeing to expand, improve its performance.
Especially; In this mode of execution; Because through constituting connectivity slot by first connectivity slot 110 and second connectivity slot 112; Thereby increased the degrees of freedom of connectivity slot shape, therefore, can with connectivity slot be formed at before forming central expansion chamber 104 be till refrigeration agent gets into the moment before finishing in respectively in the scope of first working room and second working room's split shed.
Particularly, the plan view of central part of expansion side vortex element 18 of observing the variation of second embodiment of the invention from movable orbiting scroll 42 sides has been shown when forming central expansion chamber 104 in Fig. 9.Can know by this figure; Make first connectivity slot 110 lean on the terminal part 110a of first expansion chamber, 110 1 sides progressive, and make second connectivity slot 112 lean on the terminal part 112a of second expansion chamber, 102 1 sides progressive towards the inwall 98b of the central front end 98 of static vortex disk 44 towards the outer wall 98a of the central front end 98 of static vortex disk 44.By this, compare, can continue to make first connectivity slot 110, and can continue to make second connectivity slot 112, till the moment before forming central expansion chamber 104 at second expansion chamber, 102 split sheds at first expansion chamber, 100 split sheds with the situation of first mode of execution.Therefore, can make refrigeration agent get into expansion side vortex element 18 more swimmingly, and can further improve the expansion efficiency of refrigeration agent in expansion side vortex element 18.
More than be explanation, but the present invention is not limited to above-mentioned each mode of execution, and can carries out various changes in the scope of the inventive concept not breaking away from embodiment of the present invention.
For example, in above-mentioned each mode of execution, on the basal plane 44b of static vortex disk 44, form connectivity slot; But be not limited thereto, for example also can in substrate 42a, wear access, in this case; Identical with above-mentioned situation, also can improve the expansion efficiency of refrigeration agent in expansion side vortex element 18.
In addition, the shape of each connectivity slot in above-mentioned each mode of execution is not limited to these shapes, for example also can form the outer rim of connectivity slot with the broken line mode.
In addition; In above-mentioned each mode of execution, do not mention the eddy's structure of expansion side vortex element 18, but expansion side vortex element 18 is being made as under the situation of symmetrical eddy's structure; Can make refrigeration agent suck expansion side vortex element 18 swimmingly; Therefore, the imbalance between the expansion chamber in the time of correcting the 18 work beginnings of expansion side vortex element, thus can prevent the deviation of movable orbiting scroll 42 reliably with respect to static vortex disk 44.Therefore, can in the reliability of side vortex element 18 of further guaranteeing reliably to expand, improve its performance.
In addition, in above-mentioned each mode of execution, connectivity slot is formed on the basal plane 44b of static vortex disk 44 of expansion side vortex element 18; But be not limited thereto, also can connectivity slot be formed on the basal plane 60b of static vortex disk 60 of compressed side vortex element 14, in the case; Can not only prevent that refrigeration agent from leaking from central pressing chamber; The minimizing of refrigeration agent can also be prevented, therefore, the reduction of the compression efficiency of refrigeration agent in compressed side vortex element 14 can be prevented from the refrigeration agent discharge capacity of compressed side vortex element 14 discharges; And can in the reliability of guaranteeing compressed side vortex element 14, improve its performance.
At last; In above-mentioned each mode of execution, the situation that the present invention is applied to the one-piece type expander of compressor is illustrated, but is not limited thereto; Much less, the present invention can be applied to all fluid devices that expander with single vortex element, compressor etc. comprise vortex element.
Symbol description
1 scroll fluid equipment
4 expanders
14 compressed side vortex elements (vortex element)
18 expansion side vortex elements (vortex element)
The movable orbiting scroll (movable orbiting scroll) of 42 expansion side vortex elements
The substrate (substrate) of the movable orbiting scroll of 42a expansion side vortex element
The basal plane (basal plane) of the substrate of the movable orbiting scroll of 42b expansion side vortex element
The static vortex disk (static vortex disk) of 44 expansion side vortex elements
The substrate (substrate) of the static vortex disk of 44a expansion side vortex element
The basal plane (basal plane) of the substrate of the static vortex disk of 44b expansion side vortex element
The coiling portion of the movable orbiting scroll of 46 expansion side vortex elements (coiling portion)
The coiling portion of the static vortex disk of 48 expansion side vortex elements (coiling portion)
52 inlet holes (intercommunicating pore)
The movable orbiting scroll of 58 compressed side vortex elements (movable orbiting scroll)
The substrate (substrate) of the movable orbiting scroll of 58a compressed side vortex element
The basal plane (basal plane) of the substrate of the movable orbiting scroll of 58b compressed side vortex element
The static vortex disk of 60 compressed side vortex elements (static vortex disk)
The substrate (substrate) of the static vortex disk of 60a compressed side vortex element
The basal plane (basal plane) of the substrate of the static vortex disk of 60b compressed side vortex element
The coiling portion of the movable orbiting scroll of 62 compressed side vortex elements (coiling portion)
The coiling portion of the static vortex disk of 64 compressed side vortex elements (coiling portion)
72 tap holes (intercommunicating pore)
The central front end of the coiling portion of the movable orbiting scroll of 96 expansion side vortex elements (central front end)
The outer wall (outer wall) of the central front end of the coiling portion of the movable orbiting scroll of 96a expansion side vortex element
The inwall (inwall) of the central front end of the coiling portion of the movable orbiting scroll of 96b expansion side vortex element
The central front end of the coiling portion of the static vortex disk of 98 expansion side vortex elements (central front end)
The outer wall (outer wall) of the central front end of the coiling portion of the static vortex disk of 98a expansion side vortex element
The inwall (inwall) of the central front end of the coiling portion of the static vortex disk of 98b expansion side vortex element
100 first expansion chambers (first working room)
102 second expansion chambers (second working room)
104 central expansion chambers (working room)
106 connectivity slots (access)
110 first connectivity slots (access, connectivity slot)
112 second connectivity slots (access, connectivity slot)
Claims (8)
1. a scroll fluid equipment is characterized in that, comprising:
Vortex element; This vortex element is made up of relatively upright respectively static vortex disk and the movable orbiting scroll that is provided with spiral helicine coiling portion on each basal plane of each substrate; Through making the circumnutation of revolving round the sun around the axle center of said static vortex disk of said movable orbiting scroll, thereby between said each coiling portion of said static vortex disk and said movable orbiting scroll, form the working room of working fluid;
Intercommunicating pore, this intercommunicating pore forms the central part of the said substrate that runs through said static vortex disk, and said working room is communicated with outward with said vortex element;
First working room, this first working room are divided by the inwall of the central front end of the said coiling portion of the outer wall of the central front end of the said coiling portion of said static vortex disk and said movable orbiting scroll to form;
Second working room, this second working room are divided by the outer wall of the said central front end of the said coiling portion of the inwall of the said central front end of the said coiling portion of said static vortex disk and said movable orbiting scroll to form; And
Access; Revolution circumnutation along with said movable orbiting scroll; In at least a portion of said intercommunicating pore during by the said central front end sealing of the said coiling portion of said movable orbiting scroll; Said access makes said first working room and said second working room be communicated with said intercommunicating pore, and when the said central front end of the said coiling portion of said static vortex disk and said movable orbiting scroll was against each other, said access was blocked being communicated with between said first working room and said second working room and the said intercommunicating pore.
2. scroll fluid equipment as claimed in claim 1 is characterized in that,
Said access is the connectivity slot in the scope before the said intercommunicating pore of arrival that is arranged with on the said basal plane of said movable orbiting scroll,
Said connectivity slot is formed in the following scope: along with the revolution circumnutation of said movable orbiting scroll; In at least a portion of said intercommunicating pore during by the said central front end blocking-up of the said coiling portion of said movable orbiting scroll; At least a portion of said connectivity slot is at said first working room and said second working room's split shed; When the said central front end of the said coiling portion of said static vortex disk and said movable orbiting scroll was against each other, said connectivity slot was all hidden by the said coiling portion of said movable orbiting scroll.
3. scroll fluid equipment as claimed in claim 2 is characterized in that,
When at least a portion of said intercommunicating pore during by the said central front end sealing of the said coiling portion of said movable orbiting scroll, said connectivity slot makes said first working room be communicated with said second working room.
4. scroll fluid equipment as claimed in claim 2 is characterized in that,
When at least a portion of said intercommunicating pore during by the said central front end sealing of the said coiling portion of said movable orbiting scroll, said connectivity slot is made up of first connectivity slot that said first working room is communicated with said intercommunicating pore and second connectivity slot that said second working room is communicated with said intercommunicating pore.
5. scroll fluid equipment as claimed in claim 2 is characterized in that,
Said connectivity slot is formed in the following scope: when at least a portion of said intercommunicating pore during by the said central front end sealing of the said coiling portion of said movable orbiting scroll, the opening area of said connectivity slot that corresponds respectively to said first working room and second working room is roughly the same.
6. like each described scroll fluid equipment in the claim 3 to 5, it is characterized in that,
Said vortex element forms symmetrical eddy's structure.
7. scroll fluid equipment as claimed in claim 2 is characterized in that,
The groove width of said connectivity slot is littler than the width of the said central front end of the said coiling portion of said movable orbiting scroll.
8. scroll fluid equipment as claimed in claim 1 is characterized in that,
Said scroll fluid equipment is with the expander of said working room as expansion chamber.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009-187092 | 2009-08-12 | ||
| JP2009187092A JP2011038480A (en) | 2009-08-12 | 2009-08-12 | Scroll fluid machine |
| PCT/JP2010/063498 WO2011019021A1 (en) | 2009-08-12 | 2010-08-09 | Scroll fluid machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102472106A true CN102472106A (en) | 2012-05-23 |
Family
ID=43586196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010800360153A Pending CN102472106A (en) | 2009-08-12 | 2010-08-09 | Scroll fluid machine |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20120148434A1 (en) |
| EP (1) | EP2466068A4 (en) |
| JP (1) | JP2011038480A (en) |
| CN (1) | CN102472106A (en) |
| AU (1) | AU2010283239A1 (en) |
| WO (1) | WO2011019021A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104595184A (en) * | 2014-12-06 | 2015-05-06 | 无锡高卓流体设备有限公司 | Scroll fluid machine |
| CN108278206A (en) * | 2018-03-22 | 2018-07-13 | 宁波汇峰聚威科技股份有限公司 | A kind of variable-flow screw compressor |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013227947A (en) * | 2012-04-26 | 2013-11-07 | Sanden Corp | Scroll expander |
| JP2014196692A (en) * | 2013-03-29 | 2014-10-16 | アネスト岩田株式会社 | Fixed scroll body and scroll fluid machine using the same |
| JP2018071481A (en) * | 2016-11-01 | 2018-05-10 | サンデン・オートモーティブコンポーネント株式会社 | Scroll Type Fluid Machine |
| KR20180136282A (en) | 2017-06-14 | 2018-12-24 | 엘지전자 주식회사 | Compressor having centrifugation and differential pressure structure for oil supplying |
| KR101974272B1 (en) | 2017-06-21 | 2019-04-30 | 엘지전자 주식회사 | Compressor having merged flow path structure |
| KR102396559B1 (en) | 2017-06-22 | 2022-05-10 | 엘지전자 주식회사 | Compressor having lubrication structure for thrust surface |
| KR102440273B1 (en) | 2017-06-23 | 2022-09-02 | 엘지전자 주식회사 | Compressor having enhanced discharge structure |
| KR102409675B1 (en) | 2017-07-10 | 2022-06-15 | 엘지전자 주식회사 | Compressor having enhanced discharge structure |
| KR102383135B1 (en) | 2017-07-24 | 2022-04-04 | 엘지전자 주식회사 | Compressor having centrifugation structure for supplying oil |
| JP7103714B2 (en) * | 2018-07-30 | 2022-07-20 | サンデン・オートモーティブコンポーネント株式会社 | Scroll inflator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4886434A (en) * | 1987-02-20 | 1989-12-12 | Sanyo Electric Co., Ltd. | Scroll compressor having discharge part communicating with two compression spaces simultaneously |
| DE3879887T2 (en) * | 1987-11-23 | 1993-07-08 | Copeland Corp | SPIRAL MACHINE. |
| JP3132928B2 (en) * | 1992-10-30 | 2001-02-05 | 三菱重工業株式会社 | Scroll compressor |
| JPH08319963A (en) * | 1995-03-22 | 1996-12-03 | Mitsubishi Electric Corp | Scroll compressor |
| US6113372A (en) * | 1998-08-18 | 2000-09-05 | Carrier Corporation | Scroll compressor with discharge chamber groove |
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| KR101371034B1 (en) * | 2007-10-19 | 2014-03-10 | 엘지전자 주식회사 | Scroll compressor |
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2009
- 2009-08-12 JP JP2009187092A patent/JP2011038480A/en active Pending
-
2010
- 2010-08-09 WO PCT/JP2010/063498 patent/WO2011019021A1/en active Application Filing
- 2010-08-09 EP EP10808204.1A patent/EP2466068A4/en not_active Withdrawn
- 2010-08-09 CN CN2010800360153A patent/CN102472106A/en active Pending
- 2010-08-09 US US13/390,268 patent/US20120148434A1/en not_active Abandoned
- 2010-08-09 AU AU2010283239A patent/AU2010283239A1/en not_active Abandoned
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| JPS58135393A (en) * | 1982-02-08 | 1983-08-11 | Hitachi Ltd | Motor driven compressor |
| JPS63215892A (en) * | 1987-03-02 | 1988-09-08 | Sanyo Electric Co Ltd | Scroll compressor |
| JPH01187390A (en) * | 1988-01-19 | 1989-07-26 | Sanyo Electric Co Ltd | Scroll compressor |
| JP2005273453A (en) * | 2004-03-22 | 2005-10-06 | Aisin Seiki Co Ltd | Scroll compressor |
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| CN101389828A (en) * | 2006-02-23 | 2009-03-18 | 松下电器产业株式会社 | Scroll expansion machine and refrigeration cycle apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104595184A (en) * | 2014-12-06 | 2015-05-06 | 无锡高卓流体设备有限公司 | Scroll fluid machine |
| CN108278206A (en) * | 2018-03-22 | 2018-07-13 | 宁波汇峰聚威科技股份有限公司 | A kind of variable-flow screw compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2466068A4 (en) | 2013-11-13 |
| EP2466068A1 (en) | 2012-06-20 |
| JP2011038480A (en) | 2011-02-24 |
| WO2011019021A1 (en) | 2011-02-17 |
| AU2010283239A1 (en) | 2012-03-01 |
| US20120148434A1 (en) | 2012-06-14 |
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Application publication date: 20120523 |