CN106438352A - Compressor and fluid circulation system comprising same - Google Patents
Compressor and fluid circulation system comprising same Download PDFInfo
- Publication number
- CN106438352A CN106438352A CN201610608786.4A CN201610608786A CN106438352A CN 106438352 A CN106438352 A CN 106438352A CN 201610608786 A CN201610608786 A CN 201610608786A CN 106438352 A CN106438352 A CN 106438352A
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- pressure
- fluid
- room
- bias
- compressor
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- 239000012530 fluid Substances 0.000 title claims abstract description 109
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 230000004044 response Effects 0.000 claims abstract description 4
- 238000010276 construction Methods 0.000 claims 3
- 238000004891 communication Methods 0.000 abstract description 6
- 230000003068 static effect Effects 0.000 description 27
- 238000010438 heat treatment Methods 0.000 description 11
- 238000007599 discharging Methods 0.000 description 10
- 238000010257 thawing Methods 0.000 description 9
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 108010022579 ATP dependent 26S protease Proteins 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000001052 transient effect Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000006200 vaporizer Substances 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000003466 welding 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
- F04C18/02—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
-
- 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
- F04C18/0246—Details concerning the involute wraps or their base, e.g. geometry
- F04C18/0269—Details concerning the involute wraps
- F04C18/0292—Ports or channels located in the wrap
-
- 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
- F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
- F04C27/008—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids for other than working fluid, i.e. the sealing arrangements are not between working chambers of the machine
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
Abstract
The application relates to a compressor and a fluid circulation system comprising the same. In one aspect, the compressor may include a shell, first and second scroll members, a seal assembly, and a valve member. The shell defines a first and second pressure regions. The seal assembly may define a bias chamber, surround a discharge passage and fluidly separate the first and second pressure regions from each other. The seal assembly may include first and second sealing members. The first sealing member may limit communication between the bias chamber and the second pressure region. The second sealing member may fluidly separate the bias chamber and the second pressure region. The valve member communicates with the bias chamber and can move between a first position for limiting communication between the bias chamber and the first pressure region and a second position for allowing communication between the bias chamber and the first pressure region. The valve member moves to the second position from the first position in response to the fact that the fluid pressure difference between the first pressure region and the bias chamber reaches a preset threshold.
Description
The application is to be on October 27th, 2011 (entering National Phase in China on April 28th, 2013), country the applying date
Application No. 201180052695.2 (international application no is PCT/US2011/058128), invention entitled " compressor seal group
The divisional application of the application of part ".
Technical field
It relates to a kind of compressor, more particularly, to a kind of black box for compressor.
Background technology
This section provides the background information related to the disclosure may not be prior art.
Heat pump and other Working-fluid circulating systems include：Fluid circuit and compressor, this fluid circuit has room
Outer heat-exchanger, indoor heat converter and be disposed in the interior expansion gear between heat exchanger and outdoor heat converter, should
Compressor makes working fluid (for example, cold-producing medium or carbon dioxide) circulate between heat exchanger and outdoor heat converter indoors.
The high efficiency of compressor and reliable operation are desired, to guarantee that the heat pump being provided with compressor can be effective and high on demand
Effect ground provides cooling and/or heats.
Content of the invention
This section provides the overview of the disclosure, and it is not the comprehensive of the four corner of the disclosure or its whole feature
Open.
In one form, present disclose provides a kind of compressor, this compressor can include：Cover body, the first vortex structure
Part and the second scroll element and black box.This cover body can limit first pressure area and second pressure area.This first vortex
Component can be arranged in cover body and can include first end plate and the first scrollwork.First end plate can limit bias room and with
The passing away that second pressure area is connected.Second scroll element can include the second end plate and the second scrollwork.This second scrollwork
First scrollwork can be engaged with engagement system, betwixt to limit discharge chambe.
Black box around passing away, and can will bias room and fluidly divide with first pressure area and second pressure area
Every.Black box fluidly can be separated around passing away and by first pressure area each other with second pressure area.Sealing group
Part can include the first containment member and the second containment member.When the first fluid pressure ratio bias interior in second pressure area
When second fluid pressure is high, the first containment member can prevent from biasing the connection between room and second pressure area.Work as first fluid
When pressure ratio second fluid pressure is low, the first containment member can limit leakage paths.When first fluid pressure ratio second fluid
When pressure is low, bias room can fluidly be separated by the second containment member with second pressure area.
In another form, present disclose provides a kind of method, the method can include：There is provided and include compressor, interior
Heat exchanger and the fluid circulating system of outdoor heat converter.Compressor can include first pressure area, second pressure area,
One scroll element and the second scroll element being engaged with engagement system with the first scroll element.First scroll element can limit
Fluid chamber and the passing away being connected with second pressure area.Such black box can be provided, it can be at least in part
Limit described fluid chamber and the first containment member and the second containment member can be included.When compressor operates under lower state
When, it is possible to use second pressure area and fluid chamber are fluidly separated by the first containment member.Can also be in such transition shape
Compressor is operated under state：Second pressure area is in the Fluid pressure less than the Fluid pressure in first pressure area.When compressor is in mistake
Cross under state during operation the leakage paths it is provided that around the first containment member.When compressor operates under the transient state,
Using the second containment member, second pressure area and fluid chamber fluidly can be separated.
According to description provided herein, other application field will be apparent from.Description in here general introduction and specific example
It is merely intended to be illustrative of, and be not intended to limit the scope of the present disclosure.
Brief description
Accompanying drawing described herein is only in order to the descriptive purpose of selected embodiment is not all possible
Form of implementation, and it is not intended to restriction the scope of the present disclosure.
Fig. 1 is the schematic diagram of the fluid circulating system of the compressor including the principle according to the disclosure；
Fig. 2 is the sectional view of the compressor of the black box of principle having according to the disclosure of Fig. 1；
Fig. 3 is the sectional view of the black box of Fig. 2；
Fig. 4 is the partial section of the black box of Fig. 2；
Fig. 5 is the partial section of another black box of the principle according to the disclosure；
Fig. 6 is the static vortex disk of the principle according to the disclosure and the partial section of black box；
Fig. 7 is another static vortex disk of the principle according to the disclosure and the partial section of black box；And
Fig. 8 is another static vortex disk of the principle according to the disclosure and the partial section of black box.
In whole accompanying drawings, corresponding reference refers to corresponding parts.
Specific embodiment
Illustrative embodiments are more fully described now with reference to accompanying drawing.
Provide illustrative embodiments so that the disclosure would is that in detail, and fully scope will be conveyed to this
Skilled person.The many details proposing such as concrete part, example of apparatus and method etc are to provide to this
The detailed understanding of disclosed embodiment.To those skilled in the art it will be apparent that it is not necessary to using detail, showing
Example property embodiment can be implemented in a number of different ways and be not construed as being the restriction of scope of this disclosure.
In some illustrative embodiments, known process, known apparatus structure and known technology are not carried out detailed
Description.
Term as used herein is only used for describing specific illustrative embodiments and is not intended to be limited.As here
Use, unless the context, do not indicate singulative or the noun of plural form can it is also contemplated that
Including plural form.Term " comprising " and " having " is inclusive and thus specifies described feature, entirety, step, behaviour
The presence of work, element and/or part, but it is not excluded for other features one or more, entirety, step, operation, element, part
And/or one or more other features, entirety, step, operation, element, the presence of the group of part or additional.Unless conduct is held
Row order illustrates, and method and step described here, process and operation should not be construed as being necessarily required to it with described or show
The particular order execution going out.It will also be appreciated that can be using step adjunctively or alternatively.
When element or layer be mentioned as being in " on another element or layer ", " being bonded to another element or layer ", " connect to
When another element or layer " or " being attached to another element or layer ", it directly can connect directly in other elements or layer
It is bonded to, be connected to or coupled to other elements or layer, or, there may be medium element or layer.On the contrary, when element is mentioned as
" directly on another element or layer ", " directly engaging to another element or layer ", " be attached directly to another element or
When layer " or " being directly attached to another element or layer ", can not there is medium element or layer.It is used for describing the pass between element
System other words (for example " and between " with " directly between ", " adjacent " and " direct neighbor " etc.) should manage in a similar manner
Solution.As used herein, term "and/or" includes associated any and all group that enumerates one or more of part
Close.
Although the terms such as first, second, third, etc. can be used to various elements, part, area, floor and/or part with here
It is described, but these elements, part, area, floor and/or part should not be limited by these terms.These terms are permissible
Only it is used for distinguishing an element, part, area, floor or part and another area, floor or part.Unless context clearly states, such as
The term here of " first ", " second " and other numerical terms etc is not intended to when using refer to order or order.Therefore, below
First element of description, part, area, floor or part can be referred to as on the premise of the teaching without departing from illustrative embodiments
Second element, part, area, floor or part.
For the sake of for convenience, such as " interior ", " outward ", " lower section ", " below ", D score, " top ", " on " etc
Space relative terms can be with here using describing an element as illustrated in the drawings or feature with respect to another element
Or the relation of feature.In addition to orientation illustrated in the accompanying drawings, during space relative terms are expected to comprise using or operate
Device different azimuth.For example, if the device in accompanying drawing is reversed, be described as being in other elements or feature " under
The element of face " or " lower section " will be oriented and be in other elements or feature " top ".Therefore, exemplary term " below " is permissible
Comprise the orientation of above and below.Therefore, device can otherwise (ratate 90 degrees or at other orientation) orientation and
Space as used herein relative descriptors language can otherwise understand.
Reference picture 1-5, is provided with the fluid circulating system of such as heat pump 10 etc, and fluid circulating system is permissible
Including indoor unit 12 and outdoor unit 14.Heat pump 10 is operable to and makes the work of such as cold-producing medium or carbon dioxide etc
Make fluid to circulate between unit 12 and outdoor unit 14 indoors, so that space is heated or cooled on demand.
Indoor unit 12 can include accommodating indoor coil or heat exchanger 18, speed change indoor fan 20, drive chamber's endogenous wind
Fan 20 motor 22 and the first housing 16 of expansion gear 23.This indoor fan 20 forces surrounding air by indoor heat exchange
Device 18, to facilitate surrounding air and flowing by the heat transfer between the working fluid of indoor heat converter 18.
Outdoor unit 14 can include accommodating compressor 26, outdoor coil pipe used or heat exchanger 28, speed change outdoor fan 30, drive
The motor 32 of dynamic outdoor fan 30 and the second housing 24 of reversal valve 34.Outdoor fan 30 forces surrounding air to pass through outdoor heat
Exchanger 28, to facilitate surrounding air and flowing by the heat transfer between the working fluid of outdoor heat converter 28.Reversal valve
34 can be arranged between compressor 26 and indoor heat converter 18 and outdoor heat converter 28 and can pass through heat to flowing
The direction of the fluid stream of pumping system 10 is controlled.
Compressor 26 is in fluid communication with indoor heat converter 18 and outdoor heat converter 28, and makes working fluid betwixt
Circulation.Compressor 26 can include airtight cover body assembly 36, clutch shaft bearing housing unit 38, motor sub-assembly 40, compression mechanism 42,
Black box 44, discharge accessory 46, discharge valve assembly 48, suction inlet accessory 50 and second bearing housing unit 52.
Cover body assembly 36 can form compressor housing, and can include cylindrical shape cover body 54, be located at its upper end
End cap 56, the distance piece 58 of horizontal expansion and the pedestal 60 being located at its lower end.End cap 56 and distance piece 58 can the rows of restriction
Go out room 62.Distance piece 58 can be separated discharging room 62 with suction chamber 63.Distance piece 58 can include wear ring 64 and extend through
Cross its passing away 65, to connect with discharging to provide between room 62 in compression mechanism 42.Discharging accessory 46 can also be in end cap
It is attached to cover body assembly 36 at 56 opening 66.Discharge valve assembly 48 can be arranged in discharge accessory 46 and substantially generally may be used
To prevent reverse flow situation.Suction inlet accessory 50 can be attached to cover body assembly 36 at opening 68.
Clutch shaft bearing housing unit 38 can be fixed with respect to cover body 54, and can include main bearing housing 70,
One bearing 72, sleeve guide member or bushing 74 and fastener assembly 76.Clutch shaft bearing can be accommodated in main bearing housing 70
72 and can axially end surfaces upper limit annular flat thrust supporting surface 78.Main bearing housing 70 can include extending
Through itself and the aperture 80 of receiving fastener assembly 76.
Motor sub-assembly 40 can include motor stator 82, rotor 84 and drive shaft 86.Motor stator 82 can be with press-fit
To in cover body 54.Rotor 84 can be press-fitted in drive shaft 86 and rotary power can be sent to drive shaft 86.Drive
Axle 86 can be pivotally supported in clutch shaft bearing housing unit 38 and second bearing housing unit 52.Drive shaft 86 can be wrapped
Include eccentric crank pin 88, flat part 90 is had on eccentric crank pin 88.
Compression mechanism 42 can include movable orbiting scroll 92 and static vortex disk 94.Movable orbiting scroll 92 can include end plate 96, in this end plate
Spiral wrap 98 is had on 96 upper surface, and there are annular planar thrust surfaces 100 on the lower surface.Thrust surfaces 100
Can contact with the annular planar thrust supporting surface 78 in main bearing housing 70.Cylindrical hub portion 102 can be from thrust table
Face 100 extends downwardly from, and can include the driving lining 104 being disposed therein.Driving lining 104 can include endoporus 105,
Crank-pin 88 is arranged in this endoporus in a driving manner.The flat part 90 of crank-pin can be with putting down in a part for endoporus 105
Smooth surface engages in a driving manner to provide the driving means of radial compliance.Crosshead shoe coupling 106 can be with movable orbiting scroll 92
Engage with static vortex disk 94 to prevent rotating against therebetween.
Static vortex disk 94 can include end plate 108 and the spiral wrap 110 extending downwardly from from end plate 108.This helical vortex
Volume 110 engagingly can be engaged with the spiral wrap 98 of movable orbiting scroll 92, thus forming the fluid bag portion of a series of movement.With
Fluid bag portion middle to radial direction from position (under suction pressure) in the whole compression circulation of compression mechanism 42
Position (under intermediate pressure) and mobile to radially inner side position (under discharge pressure), is limited by spiral wrap 98,110
The volume of fluid bag portion can reduce.
End plate 108 can include passing away 112, discharge recess 114, center-aisle 116 and annular recess 118.Row
Go out passage 112 to connect with one of the fluid bag portion at radially inner side position fluid bag portion, and allow the work of compression
Fluid (under discharge pressure) flowing is by discharging recess 114 and entering discharge room 62.Center-aisle 116 can be positioned at footpath
One of fluid bag portion to middle position provides between fluid bag portion and annular recess 118 and connects.Annular recess 118 can
With around discharging recess 114 and can be substantially concentric.Annular recess 118 can include inner surface 119 and outer surface
121.
Annular recess 118 can be received black box 44 at least in part and can be coordinated with it with black box 44
Between limit axial bias room 120.Bias room 120 is passed through center-aisle 116 and is received the fluid bag portion in an intermediate position
Fluid.The pressure differential between the fluid in intermediate pressure fluid and suction chamber 63 in bias room 120 is by net axial biasing force
It is applied on static vortex disk 94 thus push static vortex disk 94 towards movable orbiting scroll 92.By this way, the helical vortex of static vortex disk 94
The front end of volume 110 is forced into and is sealingly engaged with the end plate 96 of movable orbiting scroll 92, and the end plate 108 of static vortex disk 94 is forced into
With the forward end seal of the spiral wrap 98 of movable orbiting scroll 92 engage.
Black box 44 can include annular base plate 122, first annular containment member 124, the second annular seat component 126
And the 3rd annular seat component 128.Annular base plate 122 can include cannelure 132 and multiple axially extended protuberance 130.
This cannelure 132 for example can include generally rectangular shaped or trapezoidal cross section, and can receive the 3rd annular seat component
128.First annular containment member 124 can include multiple apertures 134 and the lip sealingly engaging with wear ring 64
136.Second annular seat component 126 can include multiple apertures 138, extend generally upward interior section 140 and substantially
The exterior section 142 outwardly and downwardly extending.Interior section 140 hermetically can be connect with the inner surface 119 of annular recess 118
Close, and exterior section 142 can be sealingly engaged with the outer surface 121 of annular recess 118.
In each protuberance in the multiple axially extended protuberance 130 of annular base plate 122 and first annular containment member 124
Aperture 134 in a corresponding aperture and with corresponding in the aperture 138 in the second annular seat component 126
Aperture is engaged.The end 144 of protuberance 130 can be swaged into or otherwise be deformed into first annular containment member
124 and second annular seat component 126 be fastened to annular base plate 122.In some configurations, can be using adding or substituting
Mode for example, such as threaded fastener and/or welding first annular containment member 124 is fastened to circular base
Plate 122.
3rd annular seat component 128 can include O-ring or other sealing members and can with annular recess 118 in
Cannelure 132 in surface 119 and annular base plate 122 sealingly engages.For example, the 3rd annular seat component 128 can be by
Hydrogenated nitrile-butadiene rubber or any other suitable elastomer or polymer are formed.In some embodiments, the 3rd ring packing
Component 128 can include generally circular cross section (Fig. 4).In other embodiments, the 3rd annular seat component 128 can
To include substantially square, rectangle or other polygonal cross sections (Fig. 5).In other embodiments, the 3rd ring packing
Component 128 for example can include D-shaped cross-section or any other suitable shape of cross section.
In some configurations, the 3rd annular seat component 128 can comprise about 34 (34) millimeters and 35
(35) internal diameter between the external diameter between millimeter, about 31 (31) millimeters and 32 (32) millimeters and can including
Thickness between about one (1) millimeter and two (2) millimeters.In other embodiments, the 3rd annular seat component 128 is permissible
Including from thickness described above, internal diameter and/or the different thickness of external diameter, internal diameter and/or external diameter to adapt to given application.
Between 3rd annular seat component 128 and the inner surface 119 of annular recess 118 and cannelure 132 and the 3rd ring
Sealing relationship between shape containment member 128 can sufficiently tight to maintain its integrity until the 3rd annular seat component 128
The predetermined pressure difference threshold value of both sides, and enable leakage pass through the 3rd annular when pressure differential is more than predetermined pressure difference threshold value close
Envelope component 128.For example, the 3rd annular seat component 128 can be configured to after compressor start allow liquid refrigerant from
Bias room 120 leaks out.
With continued reference to Fig. 1-5, the operation of heat pump 10 will be described in detail.As described above, heat pump 10
It is operable to and so that working fluid is circulated so that space is heated or cooled on demand between unit 12 and outdoor unit 14 indoors.Commutation
Valve 34 can be carried out to the direction of the flow of fluid between compressor 26 and indoor heat converter 18 and outdoor heat converter 28
Control.In first fluid flowing direction, heat pump 10 " can cool down " the direction stream shown in arrow along along Fig. 1 in working fluid
Operate under dynamic refrigerating mode.In a cooling mode, the working fluid of compression can flow to heat from workflow from compressor 26
The outdoor heat converter 28 that body is released to surrounding air.Working fluid can flow through expansion gear 23 from outdoor heat converter 28 and
It flow to the indoor heat converter 18 that working fluid absorbs heat from surrounding air.Then, working fluid can be from indoor heat converter 18
Flow back into compressor 26.In a cooling mode, indoor heat converter 18 can serve as vaporizer and outdoor heat converter 28 can
For use as condenser.
In second fluid flowing direction, heat pump 10 " can heat " side shown in arrow along along Fig. 1 in working fluid
Operate under the heating mode of flowing.In its heating mode, the working fluid of compression can flow to heat from work from compressor 26
Make the indoor heat converter 18 that fluid is released to surrounding air.Working fluid can flow through expansion gear from indoor heat converter 18
23 and flow to the outdoor heat converter 28 that working fluid absorbs heat from surrounding air.Then, working fluid can be from outdoor heat exchange
Device 28 flows back into compressor 26.In its heating mode, indoor heat converter 18 can serve as condenser and outdoor heat converter
28 can serve as vaporizer.
The during the operation of heat pump 10 in its heating mode, frost and/or ice can accumulate in outdoor heat converter 28
On coil pipe, this can hinder working fluid in outdoor heat converter 28 with around outdoor heat converter 28 surrounding air it
Between carry out heat transfer.In order to remove frost and/or ice, system controller (not shown) can start defrosting mode, and defrosting mode can
So that the operation of heat pump 10 provisionally to be switched to refrigerating mode so that the outdoor heat of hot operating fluid crosses is handed over from heating mode
Parallel operation 28 and make frost and/or ice-out.After ice is melted, the operation of heat pump 10 just can be switched back to by controller
Heating mode.
Similarly, the during the operation of heat pump 10 in a cooling mode, frost and/or ice can accumulate in indoor heat exchange
On device 18.Controller can start defrosting mode by heat pump 10 is switched to heating mode so that hot working fluid
Indoor heat converter 18 can be flowed through to melt frost and/or ice.
During the stable state of heat pump 10 or normal operating under heating mode or refrigerating mode, discharge the fluid in room 62
May be under discharge pressure and suction chamber 63 in fluid may be under suction pressure.It is placed in the stream in bias room 120
But body may be under the little intermediate pressure bigger than suction pressure than discharge pressure.
Pressure differential between bias room 120 and suction chamber 63 can be by the exterior section 142 of the second annular seat component 126
Outwardly and upwardly compel to be pressed into and sealingly engage with the outer surface 121 of annular recess 118.Discharge room 62 (and discharging recess 114)
The interior section 140 of the second annular seat component 126 is radially inwardly compeled to be pressed into and ring by the pressure differential and bias room 120 between
The inner surface 119 of shape recess 118 sealingly engages.By this way, the second annular seat component 126 can make bias room 120
It is fluidly isolated with discharge room 62 and suction chamber 63.As described above, the pressure differential between bias room 120 and suction chamber 63 is compeled upwards
Densification sealing assembly 44 is so that the lip 136 of first annular containment member 124 can sealingly engage wear ring 64 discharging
Room 62 is fluidly isolated with suction chamber 63.
When heat pump 10 is changed between heating mode and refrigerating mode, cut between heating mode and refrigerating mode
So that heat pump 10 defrosts, this can lead to discharge the temporary transient reduction of pressure and/or suction chamber 63 in room 62 heat exchange pumping system 10
The temporary transient increase of middle pressure.This pressure change can lead to substantial equilibrium pressure condition, thus, discharges in room 62 and suction chamber 63
Fluid pressure can be equal or close to equal, and can be less than the Fluid pressure in bias room 120.
The shortage discharging Fluid pressure in room 62 can make leakage paths can be formed in the interior of the second annular seat component 126
Between the inner surface 119 of portion's part 140 and annular recess 118.Due to the 3rd annular seat component 128 be independent of pressure differential come close
Feud engages the inner surface 119 of cannelure 132 and annular recess 118, as long as therefore between bias room 120 and suction chamber 63
Pressure differential is less than predetermined threshold, prevents from fluid and flows to discharge room 62 from bias room 120.Even if due to following heated mould closely
During the transition period of the switching between formula and refrigerating mode, bias room 120 also keeps sealing, therefore maintain bias room 120 and
Pressure differential between suction chamber 63.As described above, this pressure differential applies axial biasing force on static vortex disk 94 so that scrollwork 110,
98 keep sealing with corresponding end plate 96,108.Biasing force powerful enough is maintained on static vortex disk 94, this prevents in compressor
The transition period starting and/or following the switching between heating mode and refrigerating mode is sent out between movable orbiting scroll 92 and static vortex disk 94
The unexpected axial separation of life, thus eliminate cause due to the vibration between movable orbiting scroll 92 and static vortex disk 94 bad make an uproar
Sound.
With reference to Fig. 6, there is provided another static vortex disk 294 and black box 244.Described static vortex disk 294 and black box 244 can
To be attached in compressor 26.The function and structure of static vortex disk 294 and black box 244 can be approximately similar to described above
Static vortex disk 94 and black box 44, in addition to any exception being indicated below.Similar to the static vortex disk 94 of compressor 26, static vortex disk
294 can include thering is the end plate 308 discharging recess 314 and annular recess 318.Discharge in recess 314 and can be provided with discharge
Valve 248 and this dump valve 248 can be connected with passing away 312.Radially extending bore 323 can external peripheral surface 325 with
Extend between annular recess 318.Black box 244 can be received at least in part betwixt to form bias in recess 318
Room 320.
Valve module 327 can engage radially extending bore 323 and can control the company between bias room 320 and suction chamber 63
Logical.Valve module 327 can include valve chest 329, valve member 331 and biasing member 333.Valve chest 329 can include extending
Hole 335 through it.This hole 335 can include Part I 337 and Part II 339.Valve member 331 and biasing member 333
Can be arranged in Part II 339 so that biasing member 333 by valve member 331 towards being arranged on Part I 337 and second
Valve seat 341 between part 339 biases.
Valve member 331 can include connecting with Part II 339 and selectively communicating with Part I 337
Or more ports 343.Valve member 331 can move between an open position and a closed.In the open position, valve member
331 can be spaced apart with valve seat 341, enable fluid to flow through one or more of valve member 331 port 343 and from
Bias room 320 flow to suction chamber 63 via hole 335.In a closed position, valve member 331 can be forced into by biasing member 333
Engage with valve seat 341, pass through to bias the hole 335 between room 320 and suction chamber 63 to stop or to limit flow of fluid.
During the startup of compressor 26 (that is, flooded starts situation) and/or when heat pump 10 switches to defrosting mode
Or when defrosting mode switches out, the Fluid pressure in bias room 320 can increase severely (spike) or rise.When in bias room 320
When Fluid pressure reaches predefined size with respect to the pressure differential that the Fluid pressure in suction chamber 63 rises so that therebetween, bias room
In 320, the pressure of fluid can overcome the biasing force of biasing member 333 and compel to be depressed into open position by valve member 331 so that partially
A part of fluid in pressure chamber 320 can be discharged in suction chamber 63.
In other embodiments, valve chest 329, valve member 331 and/or biasing member 333 can be with any other conjunctions
Suitable mode constructs and/or arranges.In some embodiments, valve module 327 can be for example electromagnetic valve or any other
Electromechanical device.
With reference to Fig. 7, there is provided another static vortex disk 494 and black box 444.Static vortex disk 494 and black box 444 can
To be incorporated in compressor 26.The 26S Proteasome Structure and Function of determine vortex 494 and black box 444 can determine whirlpool with described above
Disk 94 and black box 44 are substantially similar, in addition to any exception being indicated below.Capacity regulating assembly 445 and black box
444 can be engaged with the center hub 495 of static vortex disk 494.Capacity regulating assembly 445 and black box 444 can coordinate with
Limit bias room 520 therebetween.Capacity regulating assembly 445 can include adjust valve collar 451, adjust suspension ring 453, clasp 455 and
Engage the containment member 457 of clasp 455 and center hub 495.Adjust valve collar 451 can in axial direction move with optionally
Open and close leakage paths (not shown), the fluid partly compressing by this leakage paths can be discharged to suction chamber 63,
Thus being adjusted to the capacity of compressor 26.
Adjust valve collar 451 and can include the hole extending radially through it between suction chamber 63 and bias room 520
523.Valve module 527 can be engaged with hole 523 and control the connection between bias room 520 and suction chamber 63.Valve module 527
26S Proteasome Structure and Function can be substantially similar with valve module 327 as above, and therefore, will not describe in detail again.Letter
Strategic point, valve module 527 can include valve member 531 and the biasing member 533 being arranged in valve chest 529.This valve member 531 energy
Enough move between an open position and a closed.In a closed position, valve member 531 can stop or limit flow of fluid and lead to
The hole 535 in valve chest 529 between overbias room 520 and suction chamber 63.In the open position, for example, when compressor 26 opens
Move and/or when heat pump 10 is switched to defrosting mode or switches out from defrosting mode, valve member 531 can be in response to bias
The pressure differential reaching predefined size between room 520 and suction chamber 63 and enable a fluid to flow through hole 535 from bias room 520 and flow
To suction chamber 63.
With reference to Fig. 8, there is provided another static vortex disk 694 and black box 644.Described determine vortex 694 and black box 644 can
To be attached in compressor 26.The 26S Proteasome Structure and Function of static vortex disk 694 and black box 644 can be with static vortex disk 94 described above
Substantially similar with black box 44, in addition to any exception being indicated below.Similar to static vortex disk 94, determine vortex 694 can be wrapped
Include and there is the end plate 708 discharging recess 714 and annular recess 718.Discharge can be provided with recess 714 dump valve 748 and
This dump valve 748 can be connected with passing away 712.
Black box 644 can be received at least in part betwixt to form bias room 720 in recess 718.Similar to
Black box 44 described above, black box 644 can include annular base plate 722, first annular containment member 724, second
Annular seat component 726 and the 3rd annular seat component 728.This annular base plate 722 can include first passage 730.This
One annular seat component 724 can include the second channel 732 substantially aligned with first passage 730.
Valve module 727 can engage the first aperture 730 and the second aperture 732.Valve module 727 can be structurally and functionally
It is approximately similar to valve module 327 described above, and therefore, will not describe in detail again.Briefly, valve module 727
Valve chest 729, valve member 731 and biasing member 733 can be included.For example, valve chest 729 can with the first aperture 730 and/
Or second aperture 732 be threadedly engaged or be press-fitted in 730 mouthfuls of the first hole and/or the second aperture 732.Valve member 731 can phase
Valve chest 729 is moved between an open position and a closed to control the fluid between bias room 720 and suction chamber 63
Connection.Valve member 731 can be biased by biasing member 733 towards closed position.
Valve member 731 can respond the predetermined pressure difference between bias room 720 and suction chamber 63 and move to open position
In.For example, the Fluid pressure that biasing member 733 can be configured to work as in bias room 720 is bigger than the Fluid pressure in suction chamber 63
Valve member 731 is made to can move in open position when about 150 pounds/square inch.For example, fluid pressure differential is this
Increasing severely or rise can be during the startup of compressor 26 (for example, flooded starts situation) and/or when heat pump 10 is switched to
Defrosting mode or generation when defrosting mode switches out.The motion entering into the valve member 731 in open position enables a fluid to
Flow out bias room 720 and enter suction chamber 63 till fluid pressure differential therebetween is less than predetermined pressure difference, at this moment partially
The biasing force of pressure component 733 can return to closed position enough to urge valve member 731, bias room 720 is restricted or prevented and inhales
The fluid communication entered the room between 63.
Although above valve module 727 is described as extending through black box 644 and including valve chest 729, valve member
731 and biasing member 733, but valve module 727 can otherwise construct in some embodiments and/or be positioned to
Selectivity is provided to be in fluid communication between bias room 720 and suction chamber 63.
Provide the above description of embodiment for the purpose of illustration and description.This is not intended to exhaustion or restriction
The disclosure.Each discrete component of particular implementation or feature are generally not limited to this particular implementation, but, suitable
In the case of, these elements or feature can be exchanged and be can be used in selected embodiment, although specifically not showing
Go out or describe.These elements or feature can also be varied in many ways.Such change is not regarded as a departure from the disclosure, and
All such remodeling are intended to be included in the scope of the present disclosure.
Claims (15)
1. a kind of compressor, including：
Cover body, described cover body limits first pressure area and second pressure area；
First scroll element, described first scroll element is arranged in described cover body and includes first end plate and the first scrollwork,
The passing away that described first end plate restriction is connected with described second pressure area；
Second scroll element, described second scroll element includes the second end plate and the second scrollwork, described second scrollwork and described the
One scrollwork is engaged with engagement system betwixt to limit discharge chambe；
Black box, described black box limits bias room, around described passing away and by described first pressure area and institute
State second pressure area fluidly to separate each other, described bias room comprises described first scroll element towards described second vortex structure
The fluid of part bias, described black box includes the first containment member and the second containment member, and described first containment member limits
Connection between described bias room and described second pressure area, described bias room is pressed by described second containment member with described second
Power area fluidly separates；And
Valve member, described valve member connect with described bias room and can to described bias room and described first pressure area it
Between the primary importance that limited of connection and the second allowing the connection between described bias room and described first pressure area
Move between putting,
Wherein, described valve member reaches in response to the fluid pressure differential between described first pressure area and described bias room and makes a reservation for greatly
Little and from described primary importance movement to the described second position.
2. compressor according to claim 1, wherein, when the first fluid pressure in described second pressure area is higher than described
During the second fluid pressure of bias interior, the pressure differential between described second pressure area and described bias room seals described first
Component compels to be pressed into and described first scroll element sealing engagement.
3. compressor according to claim 1, wherein, when the first fluid pressure in described second pressure area is higher than described
During the indoor second fluid pressure of bias, and when described second fluid pressure is higher than described first fluid pressure, described the
Two containment members are all shaped as sealingly engaging described first scroll element surely.
4. compressor according to claim 1, wherein, when the second pressure described in the indoor second fluid pressure ratio of described bias
During the big scheduled volume of first fluid pressure in power area, described first containment member allows described bias room and described second pressure area
Between connection.
5. compressor according to claim 1, wherein, during the steady state operation of described compressor, described first pressure
Area and described second pressure area are respectively at suction pressure and discharge pressure.
6. compressor according to claim 5, wherein, during the steady state operation of described compressor, at described bias room
In the intermediate pressure between described suction pressure and described discharge pressure.
7. compressor according to claim 1, also includes annular construction member, and described annular construction member is attached to described first sealing
Component and limit described bias room, described annular construction member has the annular receiving described second containment member at least in part
Groove.
8. compressor according to claim 1, wherein, described second containment member includes annular ring, described annular ring tool
There is the cross section with linear edges.
9. compressor according to claim 8, wherein, described second containment member includes polygonal crosssection.
10. a kind of fluid circulating system, including：Compressor according to claim 1, first heat exchanger, the second heat are handed over
Parallel operation and reversal valve, described compressor makes working fluid between described first heat exchanger and described second heat exchanger
Circulation, described reversal valve controls the fluid flow direction between described first heat exchanger and described second heat exchanger, wherein,
It is described that the switching that described fluid flow direction is carried out makes the first fluid pressure in described second pressure area decrease below
Bias indoor second fluid pressure and so that the leakage paths of the first containment member described in break-through is opened.
A kind of 11. compressors, including：
Cover body, described cover body limits first pressure area and second pressure area；
First scroll element, described first scroll element is arranged in described cover body and includes first end plate and the first scrollwork,
The passing away that described first end plate restriction is connected with described second pressure area；
Second scroll element, described second scroll element includes the second end plate and the second scrollwork, described second scrollwork and described the
One scrollwork is engaged with engagement system betwixt to limit discharge chambe；
Black box, described black box is around described passing away and by described first pressure area and described second pressure area
Fluidly separate each other, described black box includes valve member, described valve member with by described black box and described first whirlpool
The room connection that rotation component limits, described valve member can limit to the connection between described room and described first pressure area
Primary importance and the second position of connection allowing between described room and described first pressure area between move,
Wherein, described valve member reach predefined size in response to the fluid pressure differential between described first pressure area and described room and
From described primary importance movement to the described second position.
12. compressors according to claim 11, wherein, during the steady state operation of described compressor, described first pressure
Power area and described second pressure area are respectively at suction pressure and discharge pressure.
13. compressors according to claim 12, wherein, during the steady state operation of described compressor, described room is in
Intermediate pressure between described suction pressure and described discharge pressure.
14. compressors according to claim 11, wherein, described black box includes the first containment member, when described room
During the big scheduled volume of first fluid pressure in interior second pressure region described in second fluid pressure ratio, described first containment member
Allow the connection between described room and described second pressure region.
A kind of 15. fluid circulating systems, including：Compressor according to claim 11, first heat exchanger, the second heat are handed over
Parallel operation and reversal valve, described compressor makes working fluid between described first heat exchanger and described second heat exchanger
Circulation, described reversal valve controls the fluid flow direction between described first heat exchanger and described second heat exchanger, wherein,
It is described that the switching that described fluid flow direction is carried out makes the first fluid pressure in described second pressure area decrease below
Indoor second fluid pressure and make the leakage paths of the first containment member of black box described in break-through open.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US40778110P | 2010-10-28 | 2010-10-28 | |
| US61/407,781 | 2010-10-28 | ||
| US13/283,097 US8932036B2 (en) | 2010-10-28 | 2011-10-27 | Compressor seal assembly |
| US13/283,097 | 2011-10-27 | ||
| CN201180052695.2A CN103189654B (en) | 2010-10-28 | 2011-10-27 | Compressor seal assembly |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180052695.2A Division CN103189654B (en) | 2010-10-28 | 2011-10-27 | Compressor seal assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106438352A true CN106438352A (en) | 2017-02-22 |
| CN106438352B CN106438352B (en) | 2019-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610608786.4A Active CN106438352B (en) | 2010-10-28 | 2011-10-27 | Compressor and fluid circulating system including compressor |
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| US20060198748A1 (en) * | 2005-03-04 | 2006-09-07 | Grassbaugh Walter T | Scroll machine with single plate floating seal |
| US20070036661A1 (en) * | 2005-08-12 | 2007-02-15 | Copeland Corporation | Capacity modulated scroll compressor |
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|---|---|---|---|---|
| CN1184894A (en) * | 1996-11-21 | 1998-06-17 | 科普兰公司 | Scroll machine with reverse rotation protection |
| CN1286358A (en) * | 1999-08-25 | 2001-03-07 | 科普兰公司 | Protection of swirl temp. |
| CN1415913A (en) * | 2001-10-30 | 2003-05-07 | 海尔集团公司 | Air-conditioner with variable energy |
| CN1576605A (en) * | 2003-07-15 | 2005-02-09 | 科普兰公司 | Capacity modulated scroll compressor |
| US20060198748A1 (en) * | 2005-03-04 | 2006-09-07 | Grassbaugh Walter T | Scroll machine with single plate floating seal |
| US20070036661A1 (en) * | 2005-08-12 | 2007-02-15 | Copeland Corporation | Capacity modulated scroll compressor |
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| CN106438352B (en) | 2019-06-14 |
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