CN107588005A - Compressor, compressor parallel system and multi-connected machine heat-exchange system - Google Patents
Compressor, compressor parallel system and multi-connected machine heat-exchange system Download PDFInfo
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- CN107588005A CN107588005A CN201710800302.0A CN201710800302A CN107588005A CN 107588005 A CN107588005 A CN 107588005A CN 201710800302 A CN201710800302 A CN 201710800302A CN 107588005 A CN107588005 A CN 107588005A
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Abstract
The invention provides a kind of compressor, compressor parallel system and multi-connected machine heat-exchange system.Wherein, compressor, which includes housing and the bent axle being arranged in housing, compressor, also includes：First magnetic suspension bearing, is arranged in housing；Second magnetic suspension bearing, is arranged in housing, and the first magnetic suspension bearing and the second magnetic suspension bearing are separately positioned on the both ends of bent axle.Present invention efficiently solves compressor in the prior art in high-speed cruising, the problem of bent axle easily wears and is also easy to produce noise.
Description
Technical field
The present invention relates to Compressor Technology field, in particular to a kind of compressor, compressor parallel system and multi-joint
Machine heat-exchange system.
Background technology
In the prior art, the bent axle of compressor is connected by conventional bearings with housing.Therefore, in compressor operating process
In, mechanical wear occurs between bent axle meeting and the conventional bearings, this not only influences the operating efficiency of compressor, shorten bent axle or
The service life of conventional bearings, the functional reliability of compressor is reduced, also result in compressor and produce noise in the process of running
Or vibration, cause Consumer's Experience poor.
The content of the invention
It is a primary object of the present invention to provide a kind of compressor, compressor parallel system and multi-connected machine heat-exchange system, with
Solve in the prior art that compressor is in high-speed cruising, the problem of bent axle easily wears and is also easy to produce noise.
To achieve these goals, according to an aspect of the invention, there is provided a kind of compressor, including housing and setting
Bent axle in housing, compressor also include：First magnetic suspension bearing, is arranged in housing；Second magnetic suspension bearing, is arranged on
In housing, the first magnetic suspension bearing and the second magnetic suspension bearing are separately positioned on the both ends of bent axle.
Further, compressor also includes：3rd magnetic suspension bearing, bent axle are arranged on the 3rd magnetic suspension bearing, and the
Three magnetic suspension bearings are between the first magnetic suspension bearing and the second magnetic suspension bearing.
Further, compressor also includes：Upper bracket, it is arranged in housing and is set in outside bent axle, upper bracket has the
One bearing mounting hole, and the first magnetic suspension bearing is arranged at clutch shaft bearing mounting hole.
Further, the first magnetic suspension bearing includes the first magnetic suspension rotor and be set in outside the first magnetic suspension rotor the
One magnetic suspension stator, and there is gap L between the first magnetic suspension stator and the first magnetic suspension rotor, the first magnetic suspension rotor is set in
On bent axle, the first magnetic suspension stator is arranged at clutch shaft bearing mounting hole.
Further, compressor also includes：Lower carriage, it is arranged in housing and is set in outside bent axle, under lower carriage includes
Rack body and the second bearing mounting hole being arranged on the end face of lower carriage main body, and the second magnetic suspension bearing is arranged on second
At bearing mounting hole.
Further, the second magnetic suspension bearing includes the second magnetic suspension rotor and the second magnetic suspension stator, the second magnetic suspension
There is gap L, the second magnetic suspension rotor is set on bent axle, the installation of the second magnetic suspension stator between rotor and the second magnetic suspension stator
At second bearing mounting hole, and the second magnetic suspension stator is arranged in the direction of motion of the second magnetic suspension rotor.
Further, compressor also includes：End cap, it is connected with lower carriage main body, the second magnetic suspension bearing is arranged on end cap
Between lower carriage main body, and the second magnetic suspension rotor it is concordant close to the end face of end cap with the second magnetic suspension stator and with end cap it
Between there is preset distance.
Further, lower carriage also has 3rd bearing mounting hole, and the 3rd magnetic suspension bearing is installed installed in 3rd bearing
At hole.
Further, the 3rd magnetic suspension bearing includes the 3rd magnetic suspension rotor and be set in outside the 3rd magnetic suspension rotor the
Three magnetic suspension stators, and there is gap L between the 3rd magnetic suspension stator and the 3rd magnetic suspension rotor, the 3rd magnetic suspension rotor is set in
On bent axle, the 3rd magnetic suspension stator is arranged at 3rd bearing mounting hole.
Further, gap L is less than 0.6mm.
Further, compressor also includes：Air intake duct, connected with housing, air intake duct is positioned close to the neck of bent axle
Side, the first magnetic suspension bearing are arranged on neck, and the second magnetic suspension bearing is arranged on the afterbody of bent axle.
Further, compressor also includes：Bearing arrangement, it is arranged on bent axle, bearing arrangement is located at the first magnetic suspension shaft
Hold between the second magnetic suspension bearing.
According to another aspect of the present invention, there is provided a kind of compressor parallel system, compressor parallel system include：Gas-liquid
Separator, including the first gas outlet and the first air inlet；Multiple filters；Multiple compressors, each compressor are above-mentioned pressure
Contracting machine, the second air inlet of each compressor are connected via filter with the first gas outlet of gas-liquid separator, each compressor
The second gas outlet be connected with the first air inlet of gas-liquid separator.
According to another aspect of the present invention, there is provided a kind of multi-connected machine heat-exchange system, including above-mentioned compressor parallel system
System, the gas-liquid separator of compressor parallel system also include the 3rd gas outlet and the 3rd air inlet, and the 3rd air inlet goes out with first
Gas port is connected, and multi-connected machine heat-exchange system also includes：Condenser, when multi-connected machine heat-exchange system is heated, condenser enters
Mouth end is connected with the second gas outlet of each compressor in compressor parallel system, the port of export and gas-liquid separator of condenser
The first air inlet be connected；Evaporator, when multi-connected machine heat-exchange system is heated, the upstream end of evaporator and gas-liquid separation
3rd gas outlet of device is connected, and the outlet side of evaporator is connected with the 3rd air inlet of gas-liquid separator.
Apply the technical scheme of the present invention, during compressor operating, the first magnetic suspension bearing and the second magnetic suspension shaft
Honour bent axle and play a part of support positioning, prevent bent axle from occurring radially and axial direction relative to housing in rotation process
Play.So, Curved shaft support is positioned in housing by the first magnetic suspension bearing and the second magnetic suspension bearing, reduces compressor height
Mechanical abrasion (mechanical wear of such as bent axle) in fast operation process, it is ensured that compressor can with higher when crankshaft high-speed operates
By property, and then improve the high frequency efficiency of compressor.Meanwhile the compressor in the application reduces energy loss, compression is improved
The operating efficiency of machine, and extend service life.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its illustrate be used for explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 shows the sectional view of the embodiment one of the compressor according to the present invention；
Fig. 2 shows enlarged diagram at the A of the compressor in Fig. 1；
Fig. 3 shows enlarged diagram at the B of the compressor in Fig. 1；
Fig. 4 shows enlarged diagram at the C of the compressor in Fig. 1；
Fig. 5 shows the sectional view of the embodiment two of the compressor according to the present invention；
Fig. 6 shows compressor application in the application in the schematic diagram of compressor parallel system；And
Fig. 7 shows compressor application in the application in the schematic diagram of multi-connected machine heat-exchange system.
Wherein, above-mentioned accompanying drawing marks including the following drawings：
10th, housing；20th, bent axle；30th, the first magnetic suspension bearing；31st, the first magnetic suspension rotor；32nd, the first magnetcisuspension floating fixed
Son；40th, the second magnetic suspension bearing；41st, the second magnetic suspension rotor；42nd, the second magnetic suspension stator；50th, the 3rd magnetic suspension bearing；
51st, the 3rd magnetic suspension rotor；52nd, the 3rd magnetic suspension stator；60th, upper bracket；61st, clutch shaft bearing mounting hole；70th, lower carriage；71、
Second bearing mounting hole；72nd, 3rd bearing mounting hole；73rd, lower carriage main body；80th, air intake duct；90th, end cap；100th, bearing knot
Structure；110th, gas-liquid separator；111st, the first gas outlet；112nd, the first air inlet；113rd, the 3rd gas outlet；114th, the 3rd air inlet
Mouthful；120th, filter；130th, compressor；131st, the second air inlet；132nd, the second gas outlet；140th, condenser；141st, arrival end；
142nd, the port of export；150th, evaporator；151st, upstream end；152nd, outlet side；160th, fixed scroll；170th, orbiter；180th, store up
Liquid device；190th, four-way valve；200th, motor.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
It is pointed out that unless otherwise specified, all technologies used in this application and scientific terminology has and the application
The identical meanings that person of an ordinary skill in the technical field is generally understood that.
In the present invention, in the case where not making opposite explanation, the noun of locality used is typically directed to accompanying drawing as " upper and lower "
For shown direction, or on vertical, vertical or gravity direction；Similarly, for ease of understanding and retouch
State, " left and right " is typically for shown in the drawings left and right；" inside and outside " refers to the inside and outside of the profile relative to each part in itself,
But the above-mentioned noun of locality is not intended to limit the invention.
As shown in Figures 1 to 7, this application provides a kind of compressor, compressor parallel system and multi-connected machine heat-exchange system.
Embodiment one
As shown in figure 1, the compressor of embodiment one includes housing 10 and the bent axle 20 being arranged in housing 10, compressor is also
Including the first magnetic suspension bearing 30 and the second magnetic suspension bearing 40.Wherein, the first magnetic suspension bearing 30 is arranged in housing 10.The
Two magnetic suspension bearings 40 are arranged in housing 10, and the first magnetic suspension bearing 30 and the second magnetic suspension bearing 40 are separately positioned on bent axle
20 both ends.
During compressor operating, the first magnetic suspension bearing 30 and the second magnetic suspension bearing 40 play support to bent axle 20
The effect of positioning, prevent bent axle 20 from the play of radial direction and axial direction occurs relative to housing 10 in rotation process.So,
The support of bent axle 20 is positioned in housing by one magnetic suspension bearing 30 and the second magnetic suspension bearing 40, is reduced compressor and is run at high speed
During mechanical abrasion (such as mechanical wear of bent axle 20), it is ensured that compressor has higher reliable when bent axle 20 runs at high speed
Property, and then improve the high frequency efficiency of compressor.Meanwhile the compressor in the application reduces energy loss, improves compressor
Operating efficiency, and extend service life.
As shown in figure 1, compressor also includes the 3rd magnetic suspension bearing 50.Wherein, bent axle 20 is arranged on the 3rd magnetic suspension shaft
Hold on 50, and the 3rd magnetic suspension bearing 50 is between the first magnetic suspension bearing 30 and the second magnetic suspension bearing 40.So, bent axle
20 by the first magnetic suspension bearing 30, the second magnetic suspension bearing 40 and the 3rd support positioning jointly of magnetic suspension bearing 50, can not only
Fully ensure that the displacement on radial and axial direction or play will not occur in rotation process for bent axle 20, additionally it is possible to ensure bent axle
20 will not occur mechanical friction in rotation process with supporting construction (three magnetic suspension bearings), and then reduce energy loss, carry
The operating efficiency of high compressor, extend the service life of bent axle 20.In addition, the first magnetic suspension bearing 30, the second magnetic suspension bearing
40 and the 3rd magnetic suspension bearing 50 do not need compressor design oil circuit it is lubricated, then remove the oil system knot of compressor from
Structure designs, and simplifies the structure of compressor.
As shown in Figure 1 and Figure 4, compressor also includes upper bracket 60.Wherein, upper bracket 60 is arranged in housing 10 and is arranged
Outside bent axle 20, upper bracket 60 has clutch shaft bearing mounting hole 61, and the first magnetic suspension bearing 30 is installed installed in clutch shaft bearing
At hole 61.So, bent axle 20 is supported by the first magnetic suspension bearing 30 and positioned, and the first magnetic suspension bearing 30 is arranged on upper bracket
On 60, then bent axle 20 is arranged in housing 10 by upper bracket 60.Above-mentioned setting causes the structure cloth in the housing 10 of compressor
Office is more reasonable, compact, and make it that the installation positioning of bent axle 20 is simpler, easily.
As shown in Figure 1 and Figure 4, the first magnetic suspension bearing 30 includes the first magnetic suspension rotor 31 and is set in the first magnetic suspension
The first magnetic suspension stator 32 outside rotor 31, and there is gap L between the first magnetic suspension stator 32 and the first magnetic suspension rotor 31, the
One magnetic suspension rotor 31 is set on bent axle 20, and the first magnetic suspension stator 32 is arranged at clutch shaft bearing mounting hole 61.It is above-mentioned to set
The normal operation of the first magnetic suspension bearing 30 can be ensured by putting, and then play a part of radial positioning to bent axle 20.
Specifically, the first magnetic suspension rotor 31 with the elastic conjunction of bent axle 20 to ensure the first magnetic suspension rotor 31 with bent axle
20 are rotated together, and the interference of the first magnetic suspension stator 32 is arranged on upper bracket 60.So, in 20 steady operation process of bent axle,
Gap L will not change, it is achieved thereby that bent axle 20 does not produce the purpose of mechanical friction loss and power consumption when rotating at a high speed.This
Outside, above-mentioned setting can reduce the assembly difficulty of compressor complete machine, that is, carry out final assembly when, the left and right ends of bent axle 20 it is coaxial
Degree is by ensuring.
As depicted in figs. 1 and 2, compressor also includes lower carriage 70.Wherein, lower carriage 70 is arranged in housing 10 and is arranged
Outside bent axle 20, lower carriage 70 includes lower carriage main body 73 and the second bearing being arranged on the end face of lower carriage main body 73 installation
Hole 71, and the second magnetic suspension bearing 40 is arranged at second bearing mounting hole 71.So, bent axle 20 passes through the second magnetic suspension bearing
40 support positioning, and the second magnetic suspension bearing 40 is arranged on lower carriage 70, then bent axle 20 passes through upper bracket 60 and lower carriage 70
In housing 10.Above-mentioned setting make it that the topology layout in the housing 10 of compressor is more reasonable, compact, and causes bent axle
20 installation positioning is simpler, easily.
As depicted in figs. 1 and 2, the second magnetic suspension bearing 40 includes the second magnetic suspension rotor 41 and the second magnetic suspension stator
42, there is gap L, the second magnetic suspension rotor 41 is set in bent axle 20 between the second magnetic suspension rotor 41 and the second magnetic suspension stator 42
On, the second magnetic suspension stator 42 is arranged at second bearing mounting hole 71, and the second magnetic suspension stator 42 is arranged on the second magnetcisuspension
In the direction of motion of floating rotor 41.The structure of said structure is simple, is easily worked.
Specifically, the second magnetic suspension rotor 41 with the elastic conjunction of bent axle 20 to ensure the second magnetic suspension rotor 41 with bent axle
20 are rotated together, and the interference of the second magnetic suspension stator 42 is arranged on lower carriage 70.In the rotation process of bent axle 20, the second magnetic suspension
Stator 42 can play a part of blocking positioning to the second magnetic suspension rotor 41, prevent the second magnetic suspension rotor 41 from axis side occurs
To displacement, and then prevent bent axle 20 occur axis direction movement, bent axle 20 is played axis direction positioning purpose.
As shown in Fig. 2 compressor also includes end cap 90.Wherein, end cap 90 is connected with lower carriage main body 73, the second magnetic suspension
Bearing 40 is arranged between end cap 90 and lower carriage main body 73, and has pre- spacing between the second magnetic suspension rotor 41 and end cap 90
From.So, above-mentioned setting can further prevent bent axle 20 from the movement of axis direction occurs, and it is preferably fixed that bent axle 20 is played
Position effect.Meanwhile the setting of preset distance can ensure the second magnetic suspension rotor 41 with will not be with the motion process of bent axle 20
Movement interference occurs for end cap 90, improves the reliability of compressor inner structure.
As shown in figure 3, lower carriage 70 also has 3rd bearing mounting hole 72, the 3rd magnetic suspension bearing 50 is arranged on the 3rd axle
Hold at mounting hole 72.The structure of said structure is simple, easily assembling.
As shown in figure 3, the 3rd magnetic suspension bearing 50 includes the 3rd magnetic suspension rotor 51 and is set in the 3rd magnetic suspension rotor
The 3rd magnetic suspension stator 52 outside 51, and there is gap L between the 3rd magnetic suspension stator 52 and the 3rd magnetic suspension rotor 51, the 3rd magnetic
Suspension rotor 51 is set on bent axle 20, and the 3rd magnetic suspension stator 52 is arranged at 3rd bearing mounting hole 72.Above-mentioned setting energy
Enough ensure the normal operation of the 3rd magnetic suspension bearing 50, and then radial positioning is played a part of to bent axle 20.
Specifically, the 3rd magnetic suspension rotor 51 with the elastic conjunction of bent axle 20 to ensure the 3rd magnetic suspension rotor 51 with bent axle
20 are rotated together, and the interference of the 3rd magnetic suspension stator 52 is arranged on upper bracket 60.In compressor operating original state or bent axle 20
When rotating speed is relatively low, the gap L between the first magnetic suspension stator 32 and the first magnetic suspension rotor 31 is constant, the 3rd magnetic suspension stator 52 with
Gap L between 3rd magnetic suspension rotor 51 is constant, and bent axle 20 is in initial position, and now the control electric current in compressor is
Zero.When bent axle 20 is due to external disturbance or high-speed rotation skew initial position, the first magnetic suspension stator 32 and the first magnetcisuspension
Gap L between floating rotor 31 or the gap L between the 3rd magnetic suspension stator 52 and the 3rd magnetic suspension rotor 51 change, displacement
The change is sent to controller by sensor, and controller adjusts the first magnetic suspension stator 32 and the 3rd magnetcisuspension by power amplifier
Current value on floating fixed 52 so that gap increases the stator current increase on one side, and the stator current that gap reduces one side reduces,
So that produce bigger electromagnetic force on the stator of electric current increase so that gap L returns to initial value, so that bent axle 20
Return at initial rest position.
In the compressor of embodiment one, gap L is less than 0.6mm.Above-mentioned number range can ensure the first magnetic suspension shaft
The normal use of the 30, second magnetic suspension bearing 40 and the 3rd magnetic suspension bearing 50 is held, and then support positioning is played to bent axle 20 and is made
With.
As shown in figure 1, compressor also includes air intake duct 80.Wherein, air intake duct 80 is connected with housing 10, and air intake duct 80 is set
In the side of the neck close to bent axle 20, the first magnetic suspension bearing 30 is arranged on neck, and the second magnetic suspension bearing 40 is arranged on song
The afterbody of axle 20.So, it is respectively provided with magnetic suspension bearing in the neck of bent axle 20, afterbody and the middle part of compressor.Wherein, respectively
It is used for the branch of the radial direction of bent axle 20 positioned at neck and the first magnetic suspension bearing 30 of middle part and the 3rd magnetic suspension bearing 50
Support positioning, prevents bent axle 20 from the play of radial direction occurs, and the second magnetic suspension bearing 40 positioned at afterbody is used for the axis of bent axle 20
The support positioning in direction, prevents bent axle 20 from the play of axis direction occurring in operation process and influenceing the normal of compressor makes
With.And then cause being more uniformly stressed for bent axle 20, improve the structural strength of bent axle 20.
As shown in figure 1, compressor also includes fixed scroll 160, orbiter 170 and motor 200.Wherein, fixed scroll
160 are intermeshed with orbiter 170, and the rotor of bent axle 20 and motor 200 is fixed.During compressor operation, bent axle 20
Rotated under the drive of motor 200, then bent axle 20 drives orbiter 170 to be rotated, intermeshing with orbiter 170
Cold media gas of the fixed scroll 160 by the low-temp low-pressure compressing refrigerant gas sucked by air intake duct 80 for HTHP, Zhi Houyou
Exhaust outlet at the center of fixed scroll 160 is expelled in the housing 10 of compressor, and the cold media gas is after the stator of motor 200
It is discharged to from the blast pipe of housing 10 outside compressor.
As shown in fig. 6, present invention also provides a kind of compressor parallel system, compressor parallel system includes gas-liquid separation
Device 110, multiple filters 120 and multiple compressors 130.Wherein, gas-liquid separator 110 includes the first gas outlet 111 and first
Air inlet 112.Each compressor 130 is above-mentioned compressor, and the second air inlet 131 of each compressor 130 is via filter
120 are connected with the first gas outlet 111 of gas-liquid separator 110, and the second gas outlet 132 of each compressor 130 is divided with gas-liquid
The first air inlet 112 from device 110 is connected.So, compared with prior art, compressor parallel system does not have traditional shafting
Lubrication system designs, and can remove the design of system oil separation structure from, reduce oil return function and logic control, and then reduce compressor
Parallel system is due to system oil return or the fault rate brought of compressor oil equalization failure.
Alternatively, compressor parallel system also includes valve arrangement.As shown in fig. 6, in the compressor parallel system of embodiment one
In system, valve arrangement is four-way valve 190.Wherein, the cold media gas discharged from the second gas outlet 132 of compressor 130 is via four-way
Enter gas-liquid separator 110 after valve 190, the low-temp low-pressure cold media gas discharged from the first gas outlet 111 of gas-liquid separator 110
Via the second air inlet 131 for entering compressor 130 after four-way valve 190, completed in compressor 130 after compressing again from second
Gas outlet 132 is discharged, constantly circulation.So, the setting of four-way valve 190 can ensure the correct flowing of cold media gas, ensure pressure
Contracting machine parallel system being capable of normal operation.
It should be noted that the type not limited to this of valve arrangement.Alternatively, valve arrangement is two-port valve or triple valve, only
The correct flow direction of cold media gas can be ensured.
As shown in fig. 7, present invention also provides a kind of multi-connected machine heat-exchange system, including above-mentioned compressor parallel system,
The gas-liquid separator 110 of compressor parallel system also includes the 3rd gas outlet 113 and the 3rd air inlet 114, the 3rd air inlet 114
It is connected with the first gas outlet 111, multi-connected machine heat-exchange system also includes condenser 140, evaporator 150 and reservoir 180.Its
In, when multi-connected machine heat-exchange system is heated, arrival end 141 and each compression in compressor parallel system of condenser 140
Second gas outlet 132 of machine 130 is connected, the port of export 142 of condenser 140 and the first air inlet 112 of gas-liquid separator 110
It is connected.Meanwhile the 3rd gas outlet 113 of gas-liquid separator 110 is via the upstream end 151 after reservoir 180 with evaporator 150
It is connected, the outlet side 152 of evaporator 150 is connected with the 3rd air inlet 114 of gas-liquid separator 110.So, using compression
The multi-connected machine heat-exchange system of machine parallel system can reduce system oil return structure design, simplied system structure design, and then reduce
The failure that system is brought by oil return or compressor oil equalization failure.
Embodiment two
The compressor of embodiment two and the difference of embodiment one are：The structure of compressor is different.
As shown in figure 5, in the present embodiment, compressor also includes bearing arrangement 100.Wherein, bearing arrangement 100 is arranged on song
On axle 20, bearing arrangement 100 is between the first magnetic suspension bearing 30 and the second magnetic suspension bearing 40.So, in compressor just
In normal running, the first magnetic suspension bearing 30 and bearing arrangement 100 play radial positioning effect, the second magnetic suspension to bent axle 20
Bearing 40 bent axle 20 is played a part of axis direction positioning, and then ensure bent axle 20 will not occur in rotation process radially and
Displacement or play on axial direction.
As can be seen from the above description, the above embodiments of the present invention realize following technique effect：
During compressor operating, the first magnetic suspension bearing and the second magnetic suspension shaft honour bent axle and play support positioning
Effect, prevent bent axle from the play of radial direction and axial direction occurs relative to housing in rotation process.So, the first magnetic suspension shaft
Hold and Curved shaft support is positioned in housing with the second magnetic suspension bearing, reduce the mechanical abrasion during compressor runs at high speed
(mechanical wear of such as bent axle), it is ensured that compressor has higher reliability when crankshaft high-speed operates, and then improves compressor
High frequency efficiency.Meanwhile the compressor in the application reduces energy loss, the operating efficiency of compressor is improved, and is extended
Service life.
Obviously, above-mentioned described embodiment only a part of embodiment of the present invention, rather than whole embodiments.
Based on the embodiment in the present invention, those of ordinary skill in the art are obtained all under the premise of creative work is not made
Other embodiment, it should all belong to the scope of protection of the invention.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, work, device, component and/or combinations thereof.
It should be noted that term " first " in the description and claims of this application and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so use
Data can exchange in the appropriate case, so that presently filed embodiment described herein can be with except illustrating herein
Or the order beyond those of description is implemented.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (14)
1. a kind of compressor, including housing (10) and the bent axle (20) that is arranged in the housing (10), it is characterised in that it is described
Compressor also includes：
First magnetic suspension bearing (30), it is arranged in the housing (10)；
Second magnetic suspension bearing (40), it is arranged in the housing (10), first magnetic suspension bearing (30) and described second
Magnetic suspension bearing (40) is separately positioned on the both ends of the bent axle (20).
2. compressor according to claim 1, it is characterised in that the compressor also includes：
3rd magnetic suspension bearing (50), the bent axle (20) are arranged on the 3rd magnetic suspension bearing (50), and the described 3rd
Magnetic suspension bearing (50) is between first magnetic suspension bearing (30) and second magnetic suspension bearing (40).
3. compressor according to claim 2, it is characterised in that the compressor also includes：
Upper bracket (60), it is arranged in the housing (10) and is set in the bent axle (20) outside, the upper bracket (60) has
Clutch shaft bearing mounting hole (61), and first magnetic suspension bearing (30) is arranged on clutch shaft bearing mounting hole (61) place.
4. compressor according to claim 3, it is characterised in that first magnetic suspension bearing (30) includes the first magnetcisuspension
Float rotor (31) and be set in the first magnetic suspension stator (32) of first magnetic suspension rotor (31) outside, and first magnetcisuspension
There is gap L between floating fixed (32) and first magnetic suspension rotor (31), first magnetic suspension rotor (31) is set in institute
State on bent axle (20), the first magnetic suspension stator (32) is arranged on clutch shaft bearing mounting hole (61) place.
5. compressor according to claim 2, it is characterised in that the compressor also includes：
Lower carriage (70), it is arranged in the housing (10) and is set in the bent axle (20) outside, the lower carriage (70) includes
Lower carriage main body (73) and the second bearing mounting hole (71) being arranged on the end face of the lower carriage main body (73), and described
Two magnetic suspension bearings (40) are arranged on second bearing mounting hole (71) place.
6. compressor according to claim 5, it is characterised in that second magnetic suspension bearing (40) includes the second magnetcisuspension
Floating rotor (41) and the second magnetic suspension stator (42), second magnetic suspension rotor (41) and the second magnetic suspension stator (42)
Between there is gap L, second magnetic suspension rotor (41) is set on the bent axle (20), the second magnetic suspension stator (42)
Installed in second bearing mounting hole (71) place, and the second magnetic suspension stator (42) is arranged on second magnetic suspension and turned
In the direction of motion of sub (41).
7. compressor according to claim 6, it is characterised in that the compressor also includes：
End cap (90), it is connected with the lower carriage main body (73), second magnetic suspension bearing (40) is arranged on the end cap
(90) between the lower carriage main body (73), and second magnetic suspension rotor (41) and the second magnetic suspension stator (42) are close
The end face of the end cap (90) is concordant and has preset distance between the end cap (90).
8. compressor according to claim 5, it is characterised in that the lower carriage (70) also has 3rd bearing mounting hole
(72), the 3rd magnetic suspension bearing (50) is arranged on 3rd bearing mounting hole (72) place.
9. compressor according to claim 8, it is characterised in that the 3rd magnetic suspension bearing (50) includes the 3rd magnetcisuspension
Float rotor (51) and be set in the 3rd magnetic suspension stator (52) of the 3rd magnetic suspension rotor (51) outside, and the 3rd magnetcisuspension
There is gap L between floating fixed (52) and the 3rd magnetic suspension rotor (51), the 3rd magnetic suspension rotor (51) is set in institute
State on bent axle (20), the 3rd magnetic suspension stator (52) is arranged on 3rd bearing mounting hole (72) place.
10. according to the compressor described in claim 4 or 6 or 9, it is characterised in that the gap L is less than 0.6mm.
11. compressor according to claim 1, it is characterised in that the compressor also includes：
Air intake duct (80), connected with the housing (10), the air intake duct (80) is positioned close to the neck of the bent axle (20)
Side, first magnetic suspension bearing (30) is arranged on the neck, and second magnetic suspension bearing (40) is arranged on described
The afterbody of bent axle (20).
12. compressor according to claim 1, it is characterised in that the compressor also includes：
Bearing arrangement (100), it is arranged on the bent axle (20), the bearing arrangement (100) is located at first magnetic suspension shaft
Hold between (30) and second magnetic suspension bearing (40).
13. a kind of compressor parallel system, it is characterised in that the compressor parallel system includes：
Gas-liquid separator (110), including the first gas outlet (111) and the first air inlet (112)；
Multiple filters (120)；
Multiple compressors (130), each compressor (130) are the compressor any one of claim 1 to 12, respectively
The second air inlet (131) of the compressor (130) is via the filter (120) and the gas-liquid separator (110)
First gas outlet (111) is connected, the second gas outlet (132) of each compressor (130) with the gas-liquid separation
First air inlet (112) of device (110) is connected.
14. a kind of multi-connected machine heat-exchange system, it is characterised in that including the compressor parallel system described in claim 13, institute
Stating the gas-liquid separator (110) of compressor parallel system also includes the 3rd gas outlet (113) and the 3rd air inlet (114), described
3rd air inlet (114) is connected with the first gas outlet (111), and the multi-connected machine heat-exchange system also includes：
Condenser (140), when the multi-connected machine heat-exchange system is heated, the arrival end (141) of the condenser (140) with
The second gas outlet (132) of each compressor (130) in the compressor parallel system is connected, the condenser (140)
The port of export (142) is connected with the first air inlet (112) of gas-liquid separator (110)；
Evaporator (150), when the multi-connected machine heat-exchange system is heated, the upstream end (151) of the evaporator (150) with
3rd gas outlet (113) of the gas-liquid separator (110) is connected, the outlet side (152) of the evaporator (150) with it is described
3rd air inlet (114) of gas-liquid separator (110) is connected.
Priority Applications (1)
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| CN109668354A (en) * | 2019-02-12 | 2019-04-23 | 珠海格力电器股份有限公司 | The coolant circulating system and its control method that anti-compressor gas bearing is worn |
| WO2021004296A1 (en) * | 2019-07-09 | 2021-01-14 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and heat exchange device |
| CN113417884A (en) * | 2021-05-28 | 2021-09-21 | 海拓宾未来工业集团有限公司 | Pure oilless air suspension compressor based on horizontal axis magnetic suspension |
| CN115076211A (en) * | 2022-07-28 | 2022-09-20 | 潍柴动力股份有限公司 | Crankshaft system and control method |
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| CN115076211A (en) * | 2022-07-28 | 2022-09-20 | 潍柴动力股份有限公司 | Crankshaft system and control method |
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