CN108194360A - Compressor and air-conditioner set - Google Patents
Compressor and air-conditioner set Download PDFInfo
- Publication number
- CN108194360A CN108194360A CN201810179517.XA CN201810179517A CN108194360A CN 108194360 A CN108194360 A CN 108194360A CN 201810179517 A CN201810179517 A CN 201810179517A CN 108194360 A CN108194360 A CN 108194360A
- Authority
- CN
- China
- Prior art keywords
- bearing
- compression unit
- transition element
- fuel feeding
- oil duct
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/001—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids of similar working principle
-
- 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
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C18/16—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
-
- 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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
-
- 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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0042—Driving elements, brakes, couplings, transmissions specially adapted for pumps
- F04C29/005—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
-
- 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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
-
- 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
- F04C2240/00—Components
- F04C2240/50—Bearings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Compressor (AREA)
Abstract
The invention discloses a kind of compressor and air-conditioner sets.Compressor includes：First compression unit；Second compression unit；Driving unit connect with first compression unit and the second compression unit Driven by Coaxial and is located between first compression unit and the second compression unit；And transition element, including transition element main body and bearing, the transition element main body is connected between first compression unit and the driving unit and has bearing chamber, and the bearing is set in the bearing chamber, and the drive shaft of the driving unit is supported on the bearing.Air-conditioner set includes aforementioned compressor.Based on compressor provided by the invention and air-conditioner set, the stability of the output shaft of driving unit and the rotation axis of entire compressor can be improved, reduces amount of deflection, so as to which compound compressor can mitigate vibration, it is easy to accomplish compound compressor even running.
Description
Technical field
The present invention relates to Compressor Technology field, more particularly to a kind of compressor and air-conditioner set.
Background technology
In the prior art, some compound compressors, such as the two stages of compression unit difference cloth of single machine two-stage screw bolt compressor
It puts in motor both sides, the wherein input shaft of hiigh pressure stage male rotor and the drive shaft of motor is integrally formed, the rotor of motor and driving
Axis by be keyed be driven, stretch out motor part motor drive shaft again with the input axis connection of low-pressure stage male rotor.
Inventor has found in the implementation of the present invention, and often presence vibration is larger for this kind of compressor, is not easy steadily to transport
The problem of row.
Invention content
The purpose of the present invention is to provide a kind of compressor and air-conditioner sets, it is intended to solve the two stages of compression of compound compressor
Unit vibrated when being arranged in motor both sides it is larger, be not easy the problem of even running.
First aspect present invention provides a kind of compressor, including：First compression unit；Second compression unit；Driving unit,
It is connect with first compression unit and the second compression unit Driven by Coaxial and is located at first compression unit and second
Between compression unit；And transition element, including transition element main body and bearing, the transition element main body is connected to described first
Between compression unit and the driving unit and with bearing chamber, the bearing is set in the bearing chamber, described to drive list
The drive shaft of member is supported on the bearing.
In some embodiments, the operating pressure of second compression unit is more than the work pressure of first compression unit
Power.
In some embodiments, the transition element main body includes：Transition element housing, respectively with the driving unit
Driving unit housing is connected with the first unit housing of first compression unit；Connection structure；With loading ability of bearing structure, pass through
The connection structure is connected in the transition element housing and with the bearing chamber.
In some embodiments, the drive shaft of the driving unit and the input shaft of first compression unit pass through shaft coupling
Device is coaxially connected, and the loading ability of bearing structure further includes shaft coupling room, and the shaft coupling is at least partially disposed at the shaft coupling room
It is interior.
In some embodiments, the driving unit includes motor, and the loading ability of bearing structure is at least partially disposed at described
In the stator of motor.
In some embodiments, the loading ability of bearing structure includes the central tube coaxial with the drive shaft, the center
Cylinder is connected to by the connection structure in the transition element housing and with the bearing chamber, the central tube, which also has, to be joined
Axis device room, the shaft coupling are at least partially disposed in the shaft coupling room.
In some embodiments, the sectional dimension of one end of unit is less than direction the first compression list of the round table surface
The sectional dimension of one end of member, the bearing chamber are the cylinder close to one end of the driving unit positioned at the central tube
Space, the shaft coupling room are close to one end of first compression unit and from the cylindrical empty positioned at the central tube
Between side to the truncated cone-shaped space to become larger far from cylindrical space side sectional dimension.
In some embodiments, the transition element further includes bearing sealing plate, and the bearing sealing plate is installed on the bearing
Bearing structure on the end face of described driving unit one end, and by the bearing block in the bearing chamber, the axis
It holds sealing plate and includes the axis hole with the drive shaft clearance fit.
In some embodiments, the transition element has the fuel feeding oil duct to the bearing fuel feeding, the fuel feeding oil duct
The end face oil duct of direction one side end face of bearing including being set to the bearing sealing plate.
In some embodiments, the connection structure includes being connected to the transition element housing and the loading ability of bearing knot
Multiple connection ribs between structure, the multiple rib that connects is along the circumferentially distributed of the transition element housing.
In some embodiments, the connection structure, which further includes, extends rib and ribs, and the extension rib is connected to described
Loading ability of bearing structure is located on the end wall of one end of first compression unit and to the first compression unit side
Extension, the ribs are connected between the extension rib and the transition element housing.
In some embodiments, the transition element has the fuel feeding oil duct to the bearing fuel feeding, the fuel feeding oil duct
Including the first fuel feeding oil duct section being set to inside at least partly described connection rib.
In some embodiments, be provided with the connection rib of the first fuel feeding oil duct section sectional dimension be more than do not set
It is equipped with the sectional dimension of the connection rib of the first fuel feeding oil duct section.
In some embodiments, extend rib and be connected to being located at close to first compression unit of the loading ability of bearing structure
One end end wall on and extend to the first compression unit side, the ribs is connected to the extension rib and mistake
Cross between unit housings, it is described extension rib from be provided at the connection rib of the first fuel feeding oil duct section extend.
In some embodiments, it is described to extend setting and the first fuel feeding oil duct in the corresponding connection rib in rib
The perforation of section coaxial communication, the end of the perforation are equipped with plug.
In some embodiments, the transition element housing has cooling fluid import.
In some embodiments, the transition element is included for the fuel feeding oil duct of the bearing fuel feeding, the fuel feeding
Oil duct includes being set to the second fuel feeding oil duct section of the loading ability of bearing inside configuration.
In some embodiments, the transition element includes oil duct, and the oil duct includes：Fuel feeding oil duct, for described
Bearing fuel feeding；And/or connection oil duct, for connecting the confession of the fuel feeding oil duct of first compression unit and the driving unit
Oil duct.
In some embodiments, the transition element includes throttle part, and the throttle part is set to the fuel feeding oil
In road.
In some embodiments, the transition element housing, which has, thickeies shell wall, and the thickness for thickening shell wall is more than institute
The thickness of the rest part shell wall of transition element housing is stated, the connection oil duct is set in the thickening shell wall.
In some embodiments, first compression unit is the first screw compression unit；And/or second compression
Unit is the second screw compression unit, and the drive shaft of the input shaft and the driving unit of second compression unit is integrally formed
Or rotation stop connection.
Second aspect of the present invention provides a kind of air-conditioner set, and including compressor, the compressor is first aspect present invention
Any one of described in compressor.
Based on compressor provided by the invention and air-conditioner set, the transition element main body of compressor is connected to the first compression list
Between member and driving unit, for bearings in the bearing chamber of transition element main body, the output shaft of driving unit is supported in bearing
On, so as to increase by a support construction in the drive shaft between driving unit and the first compression unit, driving unit can be improved
Output shaft and entire compressor rotation axis stability, reduce amount of deflection, vibration can be mitigated so as to compound compressor, easily
In realization compound compressor even running.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and forms the part of the application, this hair
Bright illustrative embodiments and their description do not constitute improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the schematic cross-sectional view of the compressor of one embodiment of the invention.
Fig. 2 is the partial structural diagram of Fig. 1.
Fig. 3 is the dimensional structure diagram of the transition element main body of the transition element of the compressor of embodiment illustrated in fig. 1.
Fig. 4 is the schematic cross-sectional view of transition element main body shown in Fig. 3.
Fig. 5 is flow schematic diagram of the fluid of the compressor of embodiment illustrated in fig. 1 in the oil duct of transition element.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment is illustrative, is never used as to the present invention and its application or makes
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower all other embodiments obtained, shall fall within the protection scope of the present invention.
Unless specifically stated otherwise, the component and positioned opposite, the digital table of step otherwise illustrated in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to be drawn according to practical proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part for book.In shown here and discussion all examples, any occurrence should be construed as merely illustrative, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should be noted that：Similar label
Similar terms are represented in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need to that it is further discussed in figure.
In the description of the present invention, it is to be understood that limit parts using the words such as " first ", " second ", only
It is for only for ease of and corresponding parts is distinguished, such as without Stated otherwise, above-mentioned word is not there is no particular meaning, therefore not
It is understood that as limiting the scope of the invention.
In the description of the present invention, it is to be understood that the noun of locality such as " forward and backward, upper and lower, left and right ", " laterally, vertical,
Vertically, orientation or position relationship indicated by level " and " top, bottom " etc. are normally based on orientation or position shown in the drawings and close
System is for only for ease of the description present invention and simplifies description, and in the case where not making to illustrate on the contrary, these nouns of locality do not indicate that
There must be specific orientation with the device or element for implying meaning or with specific azimuth configuration and operation, therefore cannot manage
It solves as limiting the scope of the invention；The noun of locality " inside and outside " refers to relative to inside and outside each component profile in itself.
Further investigate compound compressor two stages of compression unit be arranged in motor both sides when vibrate it is larger, be not easy to put down
During the problem of steady operation, inventor has found, due to the drive shaft of motor for stretching out motor part and the input of low-pressure stage male rotor
Axis connection, the long amount of deflection for resulting in drive shaft of the hron spacing of drive shaft is larger, caused compound compressor be easy to generate shake
It is dynamic, the problem of even running is difficult.
In order to solve aforementioned technical problem, on the basis of Such analysis, the embodiment of the present invention provides a kind of compressor.Into
One step, it is also proposed that a kind of air-conditioner set for including aforementioned compressor.
As shown in Figures 1 to 5, which includes the first compression unit 100, the second compression unit 200, driving unit
300 and transition element 400.Driving unit 300 is connect simultaneously with the first compression unit 100 and 200 Driven by Coaxial of the second compression unit
Between the first compression unit 100 and the second compression unit 200.Transition element 400 includes transition element main body 410 and bearing
420, transition element main body 410 is connected between the first compression unit 100 and driving unit 300 and with bearing chamber 414A, axis
It holds 420 to be set in bearing chamber 414A, the drive shaft 331 of driving unit 300 is supported on bearing 420.
Since transition element main body 410 is connected between the first compression unit 100 and driving unit 300, bearing 420 supports
In in the bearing chamber 414A of transition element main body 410, the drive shaft 331 of driving unit 300 is supported on bearing 420, thus
Increase by a support construction in drive shaft 331 between 300 and first compression unit 100 of driving unit, driving unit can be improved
The stability of the rotation axis of 300 output shaft 331 and entire compressor, reduces amount of deflection, so as to which compound compressor can mitigate
Vibration, it is easy to accomplish compound compressor even running.
The embodiment of the present invention is described in detail with reference to Fig. 1 to Fig. 5 by taking single-stage two-stage screw compressor as an example below.
As shown in Figure 1, the compressor of the embodiment includes the first compression unit 100, the second compression unit 200, driving list
Member 300, transition element 400 and shaft coupling 500.
First compression unit 100 is the first screw compression unit as low-pressure stage.As shown in Figure 1, the first compression unit
100 mainly include the first compression unit ontology 110 and the first compression unit axis branch structure 120.In Fig. 1, the first compression unit axis
Branch structure 120 is located at 110 left side of the first compression unit ontology.
First compression unit ontology 110 includes the first male rotor 111, the first female rotor 112 and the first compression shell 113.
First male rotor 111 and the first female rotor 112 are respectively positioned in the first compression shell 113 and are intermeshed.
In Fig. 1, the first compression unit axis branch structure 120 is located at the left end of the first compression unit ontology 110, including first axle
Branch structure housing 123, the first male rotor spring bearing 121 and the first female rotor being arranged in first axle branch structure housing 123
Spring bearing 122.First male rotor rotation axis 1111 (axis for corresponding to the first compression unit enters axis) branch of first male rotor 111
It supports on the first male rotor spring bearing 121.First female rotor rotation axis 1121 of the first female rotor 112 is supported in first cloudy turn
On sub- spring bearing 122.First axle branch structure housing 123 connects and composes first unit by flange and the first compression shell 113
Housing.
It is provided in 113 inside right end of the first compression shell and supports 112 liang of the first male rotor 111 and the first female rotor respectively
Group spring bearing.
Second compression unit 200 is the operating pressure that operating pressure is higher than the first screw compression unit as hiigh pressure stage
Second screw compression unit.As shown in Figure 1, the second compression unit 200 mainly includes the second compression unit ontology 210 and the second pressure
Contracting unit shaft branch structure 220.In Fig. 1, the second compression unit axis branch structure 220 is located at 210 left side of the second compression unit ontology.
Second compression unit ontology 210 includes the second male rotor 211, the second female rotor 212 and the second compression shell 213.
Second male rotor 211 and the second female rotor 212 are respectively positioned in the second compression shell 213 and are intermeshed.
In Fig. 1, the second compression unit axis branch structure 220 is located at the left end of the second compression unit ontology 210, including the second axis
Branch structure housing 223, the second male rotor spring bearing 221 and the second female rotor being arranged in the second axis branch structure housing 223
Spring bearing 222.Second male rotor rotation axis 2111 (input shaft for corresponding to the second compression unit) branch of second male rotor 211
It supports on the second male rotor spring bearing 221.Second female rotor rotation axis 2111 of the second female rotor 212 is supported in second cloudy turn
On sub- spring bearing 222.Second axis branch structure housing 223 is structure as a whole with the setting of the second compression shell 213, and it is single to form second
First housing.
Driving unit 300 connect with the first compression unit 100 and 200 Driven by Coaxial of the second compression unit and is located at the first pressure
Between 100 and second compression unit 200 of contracting unit.
Driving unit 300 can be motor.As shown in Figure 1, driving unit 300 includes driving unit housing 310, stator
320 and rotor 330.Rotor 330 is rotated synchronously with drive shaft 331.In the present embodiment, rotor 330 is connected with drive shaft 331 by key
It connects.The input shaft of the right end of drive shaft 331 and the first compression unit 100 (being the first male rotor rotation axis 1111 in the present embodiment)
It is connected by shaft coupling 500.The input shaft of the left end of drive shaft 331 and the second compression unit 200 (is the second sun in the present embodiment
Axis of rotor rotation 2111) it is integrally formed.
It is provided in the inside left end of driving unit housing 310 and supports the second male rotor 211 and the second female rotor 212 respectively
Two groups of spring bearings.
As depicted in figs. 1 and 2, in some embodiments, transition element 400 include transition element main body 410, bearing 420,
Throttle part 430 and bearing sealing plate 440.
As shown in Figures 1 to 5, transition element main body 410 mainly includes transition element housing 411, first flange 412, the
Two flanges 413, loading ability of bearing structure and connection structure 415.
The driving with the first unit housing and driving unit 300 of the first compression unit 100 respectively of transition element housing 411
Unit housings 310 connect.As shown in Figure 1, the left end of transition element housing 411 passes through first flange 412 and driving unit housing
310 is detachably connected, and the right end of transition element housing 411 is removable by second flange 413 and first axle branch structure housing 123
It connects with unloading.
Loading ability of bearing structure is connected to by connection structure 215 in transition element housing 411 and with bearing chamber 414A, axis
It holds 420 to be set in bearing chamber 414A, the drive shaft 331 of driving unit 300 is supported on bearing 420.
In some embodiments, loading ability of bearing structure is at least partially disposed inside the stator 320 of motor.The setting can use up
Amount utilizes the inner space of compressor, conducive to the axial dimension of compressor is reduced.
The drive shaft 331 of driving unit 300 and the input shaft 1111 of the first compression unit 100 are coaxial by shaft coupling 500
Connection, loading ability of bearing structure further include shaft coupling room 414B, and shaft coupling 500 is at least partially disposed in the 414B of shaft coupling room.
As shown in Figures 1 to 5, in some embodiments, loading ability of bearing structure includes the central tube coaxial with drive shaft 331
414.Central tube 414 is connected to by connection structure 415 inside transition element housing 411.
Central tube 414 has aforementioned bearings room 414A and shaft coupling room 414B simultaneously.Shaft coupling 500 is at least partially disposed at connection
In axis device room 414B.The setting can utilize the inner space of compressor as possible, conducive to the axial dimension of compressor is reduced.
As shown in Figures 1 to 5, the peripheral surface of central tube 414 forms round table surface.Round table surface towards driving unit 300
The sectional dimension of one end is less than the sectional dimension of one end of the first compression unit of direction 100 of round table surface.Bearing chamber 414A is position
Cylindrical space in one end of the close driving unit 300 of central tube 414.Shaft coupling room 414B is positioned at central tube 414
Close to one end of the first compression unit 100, and become larger from cylindrical space side to separate cylindrical space side sectional area
Truncated cone-shaped space.
Round table surface can be determined relative to axial angle of inclination according to the coil angle of the stator 320 of motor, need to protect
Card round table surface is not interfered with coil, while also needs cutter that can easily process aftermentioned inclination oil circuit 416D.Truncated cone-shaped
The size in space and the length of central tube 414 and the rulers such as the length of envelope shaft coupling 500 and the structure such as outer diameter of shaft coupling 500
It is very little related.
The arrangement above of central tube 414 enables transition element 400 to make full use of the end space and shaft coupling of stator 320
500 exterior space setting corresponding construction, without additionally occupying excessive compressor space, conducive to compressor entirety ruler is reduced
It is very little.By the setting of conical centre's cylinder 414, inner space can be efficiently used, is additionally favorable for being set as the fuel feeding oil of the lubrication of bearing 420
Road ensures that 420 fuel feeding of bearing is unobstructed, while simplifies compressor arrangement, reduces cost.
As shown in Figure 1, Figure 2 with shown in Fig. 5, transition element 400 further includes bearing sealing plate 440.Bearing sealing plate 440 is installed on bearing
On the end face of 300 one end of close driving unit of bearing structure, by 420 block of bearing in bearing chamber 414A.Bearing sealing plate
440 include the axis hole with 331 clearance fit of drive shaft.
As shown in Figure 1, loading ability of bearing structure is fixedly connected on transition element housing 411 by connection structure 215.At some
In embodiment, connection structure 215 includes the multiple connection ribs being connected between transition element housing 411 and loading ability of bearing structure
215A.Multiple rib 215A that connect are along the circumferentially distributed of transition element housing 411.In embodiment shown in FIG. 1, connection structure 215
The equally distributed connection rib 215A of circumferential direction including four along transition element housing 411.
In some embodiments, connection structure 215 can also include extending rib 215B and ribs 215C.Extend rib 215B
It is connected to being located on the end wall of one end of the first compression unit 100 and to the first compression unit 100 for loading ability of bearing structure
Side extends.Ribs 215C, which is connected to, to be extended between rib 215B and transition element housing 411.It is wrapped in embodiment shown in FIG. 1
Include an extension rib 215B and corresponding ribs 215C.The setting of extension rib 215B and ribs 215C can increase bearing and hold
Carry the local strength of structure.
As shown in Figures 1 to 5, transition element 400 includes oil duct.Oil duct includes：Fuel feeding oil duct, for being supplied to bearing 420
Oil；And/or connection oil duct 416B, for connecting the fuel feeding of the fuel feeding oil duct of the first compression unit 100 and driving unit 300 oil
Road.In embodiment shown in FIG. 1, oil duct further includes main oil gallery 414A.
In some embodiments, transition element 400 includes throttle part 430, and throttle part 430 is set to fuel feeding oil duct
It is interior.
In some embodiments, the oil duct of transition element 400 is mainly arranged in transition element main body 410, wherein fuel feeding
Oil duct part is set in bearing sealing plate 440.
As shown in Figures 1 to 5, the oil duct 406 in transition element main body 410 includes being set in transition element housing 411
The main oil gallery 416A radially extended, the connection oil duct 416B axially extended being set in transition element housing 411 and
Fuel feeding oil duct.Fuel feeding oil duct includes the first fuel feeding flow channel section 416C being set in connection rib 215A, is set to central tube 414
The second fuel feeding flow channel section in barrel and the end face runner being set on the end face towards 420 one end of bearing of bearing sealing plate 440
Section 441.In some embodiments, the first fuel feeding flow channel section 416C radially extending along transition element 400.In some embodiments
In, the second fuel feeding flow channel section includes oblique runner section 416D and the axial direction positioned at 300 one end of close driving unit of central tube 414
Flow channel section 416E.Shaft orientation flowing channel section 416E is connected with the end face flow channel section 441 of bearing sealing plate 440.
In some embodiments, it at least partly connects rib 215A in multiple connection rib 215A and is internally provided with first for oil stream
Road section 416C.As shown in Figures 1 to 5, it is provided with the first fuel feeding flow channel section 416C in a connection rib 215A.
In some embodiments, in order to for the first fuel feeding oil duct section 416C provide space and in order to avoid because setting first
Fuel feeding oil duct section 416C and the intensity for lowering connection rib 215A, the connection rib 215A for being provided with the first fuel feeding oil duct section 416C are cut
Face size can be more than the sectional dimension for the connection rib 215A for being not provided with the first fuel feeding oil duct section 416C.
In some embodiments, extension rib 215B can be made from the connection rib 215A for being provided with the first fuel feeding oil duct section 416C
Place's extension, to increase the support strength for extending the corresponding connection rib 215A of rib 215B, which, which can reduce, utilizes tool sharpening
The vibration during the first fuel feeding oil duct section 416C set in rib 215A and central tube 414 is connected, it is easy to process, it reduces into
This.
In some embodiments, extend setting and the fuel feeding oil duct coaxial communication in corresponding connection rib 215A in rib 215B
Perforation.In the end of perforation, setting plug 417 is blocked.The setting is conducive to tilt oil duct 416D processing.
As shown in Figures 1 to 5, in some embodiments, transition element housing 411, which has, thickeies shell wall, thickeies shell wall
Thickness is more than the thickness of the rest part shell wall of transition element housing 411, and connection oil duct 416B, which is set to, to be thickeied in shell wall.This sets
It puts and on the one hand provides more abundant space to connect the setting of oil duct 416B, on the one hand avoid due to setting connects oil duct 416B
Lower the intensity of transition element housing 411.
In transition element 400 oil circuit arrangement take full advantage of transition element main body 410 transition element housing 411, in
The structures such as heart cylinder 414 and connection structure 215, it is not necessary to additionally increase oil pipe, compressor inner space can be utilized to greatest extent, made
Cellular construction simplification is crossed, weight will not excessively increase, and can reduce cost when setting oil circuit.
Referring to figs. 1 to Fig. 5 (each arrow direction represents oil stream direction in Fig. 5).Fluid branches into after entering main oil gallery 416A
The two connection oil duct 416B in left and right and a fuel feeding oil duct.The connection oil duct 416B confessions with driving unit 300 respectively of left and right two
The fuel feeding oil duct of oil duct and the first compression unit 100 connects.Throttle part 430 is arranged in first flow section 416C, is used
In the oil mass for adjusting arrival bearing 420.Throttle part 430 can be orifice plug.Into fuel feeding oil duct fluid followed by
One flow channel section 416C and the throttle part 430 being arranged inside, oblique runner section 416D, shaft orientation flowing channel section 416E and end face flow channel section
Bearing 420 is lubricated into bearing 420 after 441, the fluid after bearing 420 lubricates is completed and passes through drive shaft 331 and bearing
Gap outflow between sealing plate 440 enters the second compression unit 200 with the exhaust of the first compression unit 100.
Before transition element 400 is not connect with oil feed line, to prevent foreign matter from entering oil circuit, blind flange can be set
418 are blocked.
In addition, as shown in figure 3, cooling fluid import 4111 can also be set on transition element housing 411.It can be from cooling
Fluid inlet 4111 is passed through the working medium (such as refrigerant) of the compressor compresses of liquid form, and liquid refrigerant enters transition element housing
After 411, it can be mixed with through 100 compressed medium pressure gas working medium of the first compression unit, mixed fluid can when flowing through motor
To cool down motor, the second further compression of compression unit 200 is entered back into later.
The compressor of above example is in practical set transition element 400, outer ring and the bearing sealing plate of journal bearing 420
440 are pre-assembled in transition element main body 410, and motor is pre-installed with the first compression unit 200, and the inner ring of journal bearing 420 is pre-
In drive shaft 331, assembled with the second compression unit 200 and driving unit 300, throttle part 430 can be pre-installed on
In the oil circuit of transition element 400, it can also be completed in 400 and first compression unit 100 of transition element and the assembling of driving unit 300
It assembles later.
Air-conditioner set provided in this embodiment includes aforementioned compressor.The air-conditioner set with aforementioned compressor with
Attendant advantages.
Finally it should be noted that：The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, those of ordinary skills in the art should understand that：Still
It can modify to the specific embodiment of the present invention or equivalent replacement is carried out to some technical characteristics；Without departing from this hair
The spirit of bright technical solution should all cover in the claimed technical solution range of the present invention.
Claims (22)
1. a kind of compressor, which is characterized in that including：
First compression unit (100)；
Second compression unit (200)；
Driving unit (300) is connect with first compression unit (100) and second compression unit (200) Driven by Coaxial
And between first compression unit (100) and the second compression unit (200)；With
Transition element (400), including transition element main body (410) and bearing (420), transition element main body (410) connection
Between first compression unit (100) and the driving unit (300) and with bearing chamber (414A), the bearing
(420) it is set in the bearing chamber (414A), the drive shaft (331) of the driving unit (300) is supported in the bearing
(420) on.
2. compressor according to claim 1, which is characterized in that the operating pressure of second compression unit (200) is big
In the operating pressure of first compression unit (100).
3. compressor according to claim 1, which is characterized in that the transition element main body (410) includes：
Transition element housing (411) is pressed respectively with the driving unit housing of the driving unit (300) (310) and described first
The first unit housing connection of contracting unit (100)；
Connection structure (215)；With
Loading ability of bearing structure is connected to by the connection structure (215) in the transition element housing (411) and with described
Bearing chamber (414A).
4. compressor according to claim 3, which is characterized in that the drive shaft (331) of the driving unit (300) and institute
The input shaft (1111) for stating the first compression unit (100) is coaxially connected by shaft coupling (500), and the loading ability of bearing structure is also wrapped
Shaft coupling room (414B) is included, the shaft coupling (500) is at least partially disposed in the shaft coupling room (414B).
5. compressor according to claim 3, which is characterized in that the driving unit (300) includes motor, the bearing
Bearing structure is at least partially disposed in the stator (320) of the motor.
6. compressor according to claim 3, which is characterized in that the loading ability of bearing structure includes and the drive shaft
(331) coaxial central tube (414), the central tube (414) are connected to the transition element by the connection structure (215)
In housing (411) and with the bearing chamber (414A), the central tube (414) also has shaft coupling room (414B), described
Axis device (500) is at least partially disposed in the shaft coupling room (414B).
7. compressor according to claim 6, which is characterized in that the peripheral surface of the central tube (414) includes round table surface,
The sectional dimension of one end of the direction driving unit (300) of the round table surface is less than the direction described first of the round table surface
The sectional dimension of one end of compression unit (100), the bearing chamber (414A) are close to described positioned at the central tube (414)
The cylindrical space of one end of driving unit (300), the shaft coupling room (414B) are positioned at the close of the central tube (414)
One end of first compression unit (100) and from the cylindrical space side to far from one lateral section of cylindrical space
The truncated cone-shaped space become large-sized.
8. compressor according to claim 3, which is characterized in that the transition element (400) further includes bearing sealing plate
(440), the bearing sealing plate (440) is installed on the end of the close driving unit (300) one end of the loading ability of bearing structure
On face, and by the bearing (420) block in the bearing chamber (414A), the bearing sealing plate (440) including with the drive
The axis hole of moving axis (331) clearance fit.
9. compressor according to claim 8, which is characterized in that the transition element (400) has to the bearing
(420) the fuel feeding oil duct of fuel feeding, the fuel feeding oil duct include the direction bearing for being set to the bearing sealing plate (440)
The end face oil duct (441) of (420) one side end faces.
10. compressor according to claim 3, which is characterized in that the connection structure (215) is including being connected to the mistake
Cross multiple connection ribs (215A) between unit housings (411) and the loading ability of bearing structure, the multiple connection rib (215A)
Along the circumferentially distributed of the transition element housing (411).
11. compressor according to claim 10, which is characterized in that the connection structure (215) further includes extension rib
(215B) and ribs (215C), the rib (215B) that extends are connected to being located at close to described first of the loading ability of bearing structure
Extend on the end wall of one end of compression unit (100) and to the first compression unit (100) side, the ribs (215C)
It is connected between the extension rib (215B) and the transition element housing (411).
12. compressor according to claim 11, which is characterized in that the transition element (400) has to the bearing
(420) the fuel feeding oil duct of fuel feeding, the fuel feeding oil duct include being set to internal first of at least partly described connection rib (215A)
Fuel feeding oil duct section (416C).
13. compressor according to claim 12, which is characterized in that be provided with the first fuel feeding oil duct section (416C)
The sectional dimension of the connection rib (215A) is more than the connection rib for being not provided with the first fuel feeding oil duct section (416C)
The sectional dimension of (215A).
14. compressor according to claim 12, which is characterized in that the connection structure (215) further includes extension rib
(215B) and ribs (215C), the rib (215B) that extends are connected to being located at close to described first of the loading ability of bearing structure
Extend on the end wall of one end of compression unit (100) and to the first compression unit (100) side, the ribs (215C)
Be connected to it is described extension rib (215B) and the transition element housing (411) between, it is described extension rib (215B) from set
It states and extends at the connection rib (215A) of the first fuel feeding oil duct section (416C).
15. compressor according to claim 14, which is characterized in that setting and corresponding institute in the extension rib (215B)
The perforation of the first fuel feeding oil duct section (416C) coaxial communication in connection rib (215A) is stated, the end of the perforation, which is equipped with, to be blocked up
Head (417).
16. compressor according to claim 3, which is characterized in that the transition element housing (411) has cooling fluid
Import (4111).
17. compressor according to claim 3, which is characterized in that the transition element (400) is including for the axis
The fuel feeding oil duct of (420) fuel feeding is held, the fuel feeding oil duct includes the second fuel feeding oil for being set to the loading ability of bearing inside configuration
Road section (416D, 416E).
18. compressor according to claim 1, which is characterized in that the transition element (400) includes oil duct, the oil
Road includes：
Fuel feeding oil duct, for the bearing (420) fuel feeding；And/or
Oil duct (416B) is connected, for connecting the fuel feeding oil duct of first compression unit (100) and the driving unit (300)
Fuel feeding oil duct.
19. compressor according to claim 18, which is characterized in that the transition element (400) is including throttle part
(430), the throttle part (430) is set in the fuel feeding oil duct.
20. compressor according to claim 18, which is characterized in that the transition element housing (411), which has, thickeies shell
Wall, the thickness for thickening shell wall are more than the thickness of the rest part shell wall of the transition element housing (411), the connection oil
Road (416B) is set in the thickening shell wall.
21. the compressor according to any one of claim 1 to 20, which is characterized in that
First compression unit (100) is the first screw compression unit；And/or
Second compression unit (200) is the second screw compression unit, the input shaft of second compression unit (200) and institute
State driving unit (300) drive shaft (331) is integrally formed or rotation stop connection.
22. a kind of air-conditioner set, including compressor, which is characterized in that the compressor is according to any in claim 1 to 21
Compressor described in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810179517.XA CN108194360B (en) | 2018-03-05 | 2018-03-05 | Compressor and air conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810179517.XA CN108194360B (en) | 2018-03-05 | 2018-03-05 | Compressor and air conditioning unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108194360A true CN108194360A (en) | 2018-06-22 |
| CN108194360B CN108194360B (en) | 2023-08-25 |
Family
ID=62594964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810179517.XA Active CN108194360B (en) | 2018-03-05 | 2018-03-05 | Compressor and air conditioning unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108194360B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6287088B1 (en) * | 1998-09-17 | 2001-09-11 | Hitachi, Ltd. | Oil free screw compressor |
| US20150037184A1 (en) * | 2013-07-31 | 2015-02-05 | Trane International Inc. | Double-ended scroll compressor lubrication of one orbiting scroll bearing via crankshaft oil gallery from another orbiting scroll bearing |
| CN104454533A (en) * | 2014-12-10 | 2015-03-25 | 福建雪人股份有限公司 | Semi-closed single-machine double-stage screw compressor |
| CN204344462U (en) * | 2014-12-10 | 2015-05-20 | 福建雪人股份有限公司 | A kind of semi-enclosed single machine two-stage screw bolt compressor |
| CN105840513A (en) * | 2016-05-26 | 2016-08-10 | 广州市安浦汽车空调有限公司 | Double-rolling-piston type electric compressor |
| CN107503939A (en) * | 2017-10-09 | 2017-12-22 | 合肥圣三松冷热技术有限公司 | A kind of twin-stage scroll compressor with pressure difference oil supply structure |
| CN107559192A (en) * | 2017-10-09 | 2018-01-09 | 合肥圣三松冷热技术有限公司 | A kind of compressor of twin-stage turbulent structure |
| CN208138142U (en) * | 2018-03-05 | 2018-11-23 | 珠海格力电器股份有限公司 | Compressor and air-conditioner set |
-
2018
- 2018-03-05 CN CN201810179517.XA patent/CN108194360B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6287088B1 (en) * | 1998-09-17 | 2001-09-11 | Hitachi, Ltd. | Oil free screw compressor |
| US20150037184A1 (en) * | 2013-07-31 | 2015-02-05 | Trane International Inc. | Double-ended scroll compressor lubrication of one orbiting scroll bearing via crankshaft oil gallery from another orbiting scroll bearing |
| CN104454533A (en) * | 2014-12-10 | 2015-03-25 | 福建雪人股份有限公司 | Semi-closed single-machine double-stage screw compressor |
| CN204344462U (en) * | 2014-12-10 | 2015-05-20 | 福建雪人股份有限公司 | A kind of semi-enclosed single machine two-stage screw bolt compressor |
| CN105840513A (en) * | 2016-05-26 | 2016-08-10 | 广州市安浦汽车空调有限公司 | Double-rolling-piston type electric compressor |
| CN107503939A (en) * | 2017-10-09 | 2017-12-22 | 合肥圣三松冷热技术有限公司 | A kind of twin-stage scroll compressor with pressure difference oil supply structure |
| CN107559192A (en) * | 2017-10-09 | 2018-01-09 | 合肥圣三松冷热技术有限公司 | A kind of compressor of twin-stage turbulent structure |
| CN208138142U (en) * | 2018-03-05 | 2018-11-23 | 珠海格力电器股份有限公司 | Compressor and air-conditioner set |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108194360B (en) | 2023-08-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207513832U (en) | Compressor | |
| CN107076204B (en) | The rotary screw compressor of vibration damping is carried out using viscous damping | |
| US20060153725A1 (en) | Scroll compressor | |
| DE112015003519T5 (en) | Turbo cooler | |
| CN101326413A (en) | Lubrication system for acute stopping bearing of magnetic bearing compressor | |
| CN101213354A (en) | Turbocharger bearing and associated components | |
| US9903364B2 (en) | Backup lubricant supply system | |
| CN110886706B (en) | Vehicle-mounted fuel cell gas compressor based on magnetic suspension bearing | |
| US10746191B2 (en) | Centrifugal compressor | |
| CN106369054A (en) | Turbo machine | |
| CN104976123A (en) | Multi-cylinder rotary compressor | |
| CN208138142U (en) | Compressor and air-conditioner set | |
| CN209414201U (en) | Compressor and coolant circulating system | |
| CN108194360A (en) | Compressor and air-conditioner set | |
| JPH03202682A (en) | Gas compressor | |
| JPH03149391A (en) | Scroll compressor | |
| CN204610284U (en) | Rotary compressor and refrigerating circulatory device | |
| CN209344879U (en) | Rotor, compressor and air-conditioning equipment | |
| CN208396927U (en) | Screw compressor and vehicle with it | |
| EP3557066B1 (en) | Rotary compressor and refrigeration cycle device | |
| CN110397589A (en) | Two-stage screw compressor and air-conditioner set with balancing axial thrust function | |
| CN111963427A (en) | Screw compressor | |
| CN205089618U (en) | Multi -cylinder rotary compressor | |
| CN108757445A (en) | Screw compressor and vehicle with it | |
| US20140086733A1 (en) | Compressing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |