CN103797249B - Compressor - Google Patents

Compressor Download PDF

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Publication number
CN103797249B
CN103797249B CN201280043303.0A CN201280043303A CN103797249B CN 103797249 B CN103797249 B CN 103797249B CN 201280043303 A CN201280043303 A CN 201280043303A CN 103797249 B CN103797249 B CN 103797249B
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CN
China
Prior art keywords
space
oil
refrigerant gas
container
cylindrical space
Prior art date
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Active
Application number
CN201280043303.0A
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Chinese (zh)
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CN103797249A (en
Inventor
今井悠介
森本敬
作田淳
河野博之
二上义幸
中本达也
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Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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Filing date
Publication date
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Publication of CN103797249A publication Critical patent/CN103797249A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/02Lubrication; Lubricant separation
    • F04C29/026Lubricant separation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/16Filtration; Moisture separation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/02Rotary-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
    • F04C18/0207Rotary-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
    • F04C18/0215Rotary-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/02Rotary-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
    • F04C18/0207Rotary-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
    • F04C18/0246Details concerning the involute wraps or their base, e.g. geometry
    • F04C18/0253Details concerning the base
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C23/00Combinations 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
    • F04C23/008Hermetic pumps

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Compressor (AREA)
  • Rotary Pumps (AREA)

Abstract

The present invention provides a kind of compressor, and it is provided with multiple separating of oil mechanism part (40) separating oil from the refrigerant gas discharged by compression mechanical part (10), and separating of oil mechanism part (40) has: the cylindrical space (41) making refrigerant gas rotate;The refrigerant gas discharged by compression mechanical part (10) is made to flow into the inflow part (42) of cylindrical space (41);In the cylindrical space (41) container to a side space (31) send separated oil refrigerant gas send mouth (43);The outlet (44) of a part for isolated oil and refrigerant gas is discharged with space (32) in the cylindrical space (41) container to the opposing party, the flow direction of refrigerant gas that inflow part (42) is arranged so that in all of cylindrical space (41) constituting multiple separating of oil mechanism part (40) becomes same direction, it is achieved the high efficiency of motor part (20), the raising of volume efficiency and low oil circulation.

Description

Compressor
Technical field
The present invention relates to be provided with for separating oil from the refrigerant gas discharged by compression mechanical part The compressor of separating of oil mechanism part.
Background technology
Currently, the compressor that air-conditioning device, chiller etc. are used includes the most in the enclosure Compression mechanical part and the motor part being driven this compressor rear portion, at compression mechanical part pair Return, from freeze cycle, the refrigerant gas come to be compressed, and be sent to freeze cycle.One For as, the refrigerant gas after compression mechanical part compresses temporarily flows through around motor, Thus motor part is cooled down, then sent into freezing from the discharge pipe arrangement being arranged at housing Circulation (referring for example to patent documentation 1).That is, the refrigerant gas after compression mechanical part compresses Discharge to discharging space from outlet.Then, refrigerant gas is by being arranged at the periphery of framework Path, the top of the motor space being discharged between compression mechanical part and motor part.One The refrigerant gas of part, after cooling down motor part, is discharged from discharging pipe arrangement.It addition, Other refrigerant gas is by the path being formed between motor part and the inwall of shell, even The top of logical motor part and the motor space of bottom, after motor part is cooled down, By the gap of the rotor of motor part Yu stator, the motor on the top entering motor part is empty Between, discharge from discharging pipe arrangement.
Prior art literature
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 5-44667 publication
Summary of the invention
Invention is wanted to solve the technical problem that
But, in the structure of prior art, the High Temperature High Pressure after compression mechanical part compresses Refrigerant gas flows through motor part, therefore has motor part and is heated by refrigerant gas, draws Play the problem that the efficiency of motor part declines.
It addition, the discharge gas of high temperature, by being arranged at the path of the periphery of framework, flow through pressure The bottom of contracting mechanism part, therefore compression mechanical part is heated, and particularly returns from freeze cycle The refrigerant gas as low temperature state via sucking during path is admitted to discharge chambe It is heated.Therefore, when enter discharge chambe when, refrigerant gas expands, have due to The expansion of refrigerant gas causes the problem that circulating load declines.
Further, when from the cold-producing medium that discharge pipe is discharged containing relatively heavy wool, have and cause circulation The problem of degradation.
The present invention completes to solve above-mentioned problem of the prior art, its object is to carry The high efficiency of motor part, the raising of volume efficiency and low oil circulation compression is realized for a kind of Machine.
For solving the technical scheme of technical problem
The compressor of the present invention has multiple separating of oil mechanism, and this separating of oil mechanism includes: make system The cylindrical space that refrigerant gas rotates;The refrigerant gas discharged by compression mechanical part is made to flow into The inflow part of cylindrical space;From cylindrical space, separation is sent in space in the container of one side Oil refrigerant gas send mouth;Isolated above-mentioned oil and upper is discharged with from cylindrical space Stating the outlet of a part for refrigerant gas, inflow part is arranged to constitute separating of oil mechanism All of cylindrical space in the flow direction of refrigerant gas become same direction.
Invention effect
According to the present invention, the major part sent from separating of oil mechanism part after compression mechanical part compresses The refrigerant gas of High Temperature High Pressure be directed to space in the container of a side, and from discharging bank of tubes Go out.Thus, the refrigerant gas of most High Temperature High Pressure is not by motor part, therefore electric Motivation portion will not be heated by refrigerant gas, it is possible to realizes the high efficiency of motor part.
It addition, according to the present invention, by the refrigerant gas guiding by most High Temperature High Pressure Space to the container of a side, it is possible to the compressor that suppression connects with space in the container of the opposing party The heating in structure portion, therefore, it is possible to suppression sucks the heating of refrigerant gas, and obtains discharge chambe Interior high volume efficiency.
It addition, according to the present invention, will be at the isolated oil of separating of oil mechanism part and refrigerant gas Being expelled to space in the container of the opposing party together, therefore oil is trapped in cylindrical space hardly In.Therefore, the refrigerant gas that isolated oil will not be rotated blows afloat in cylindrical space And send together with refrigerant gas from outlet, can carry out stable separating of oil.And, no Oil is made to be trapped in cylindrical space, it is possible to constitute cylindrical space smaller.
It addition, according to the present invention, the flow direction in all of cylindrical space becomes same side To, it is possible to space in the container of a side and produce rotary current so that not in separating of oil mechanism The clean oil of middle separation also in the container of a side space utilization centrifugal force divide with refrigerant gas From, thus reduce oil circulation amount.
Accompanying drawing explanation
Fig. 1 is the longitudinal section of the compressor of embodiments of the present invention 1.
Fig. 2 is the major part amplification sectional view of the compression mechanical part of Fig. 1.
Fig. 3 is that the major part of the compression mechanical part of the compressor of embodiments of the present invention 2 is put Heavy in section figure.
Fig. 4 is that the major part of the compression mechanical part of the compressor of embodiments of the present invention 3 is put Heavy in section figure.
Fig. 5 is that the major part of the compression mechanical part of the compressor of embodiments of the present invention 4 is put Heavy in section figure.
Fig. 6 is the longitudinal section of the compressor of embodiments of the present invention 5.
Fig. 7 is that the major part of the compression mechanical part of the compressor of embodiments of the present invention 6 is put Heavy in section figure.
Fig. 8 is the longitudinal section of the compressor of embodiments of the present invention 7.
Fig. 9 is the top view that one's duty buys the compressor of that embodiment 8.
Description of reference numerals
1 hermetic container
2 store oil portions
4 discharge pipes
10 compression mechanical parts
11 base bearing parts
12 fixed scroll
17 outlets
19 acoustic filters
20 motor part
Space in 31 containers
Space in 32 containers
33 compression mechanism side spaces
34 space, store oil sides
40 separating of oil mechanism part
41 cylindrical space
42 inflow part
43 send mouth
44 outlets
46 send pipe
47 send pipe
48 refrigerant gas pivoting parts
49 rotors
70 ends
Detailed description of the invention
First invention is a kind of compressor, it is characterised in that: have in hermetic container: to system The compression mechanical part that refrigerant gas is compressed;With the motor that compression mechanical part is driven Portion, will be divided into space and the opposing party in the container of a side by compression mechanical part in hermetic container Space in container, is provided with and refrigerant gas space in the container of a side is expelled to airtight appearance The discharge pipe of the outside of device, in the container of the opposing party, space is configured with motor part, wherein, Compressor is provided with multiple oil for separating oil from the refrigerant gas discharged by compression mechanical part Separating mechanism portion, separating of oil mechanism part has: make the cylindrical space that refrigerant gas turns round; The refrigerant gas discharged by compression mechanical part is made to flow into the inflow part of cylindrical space;From cylinder Shape space space in the container of one side is sent separated oil refrigerant gas send mouth;With With send mouth relative configuration outlet, its for from cylindrical space discharge isolated oil and A part for refrigerant gas, inflow part is arranged so that the refrigeration in all of cylindrical space The flow direction of agent gas becomes same direction.
According to this structure, the major part sent from separating of oil mechanism part after compression mechanical part compresses The refrigerant gas of High Temperature High Pressure be directed to space in the container of a side, and from discharging bank of tubes Go out.Thus, the refrigerant gas of most High Temperature High Pressure is not by motor part, therefore electric Motivation portion will not be heated by refrigerant gas, it is possible to realizes the high efficiency of motor part.
It addition, according to this structure, by the refrigerant gas guiding of most High Temperature High Pressure to one Space in the container of side, it is possible to the compressor that suppression connects with space in the container of the opposing party The heating in structure portion, therefore, it is possible to suppression sucks the heating of refrigerant gas, and can be pressed The high volume efficiency that contracting is indoor.
It addition, according to this structure, will be at the isolated oil of separating of oil mechanism part and refrigerant gas Discharging from the outlet being positioned at the position relative with sending mouth together, therefore oil is detained hardly In cylindrical space.Therefore, the refrigerant gas that isolated oil will not be rotated is at cylinder Blow afloat in shape space and send together with refrigerant gas from outlet, stable oil can be carried out and divide From.And, do not make oil be trapped in cylindrical space, therefore, it is possible to constitute cylindrical shape smaller Space.
It addition, according to this structure, comprise not at separating of oil mechanism section from the refrigeration of clean oil Agent gas is by from sending after mouth sends, and in the container of a side, space produces rotary current.Its As a result, refrigerant gas also in the container of a side space utilization centrifugal force with separating of oil, thus Oil circulation amount can be reduced.
Second invention is in the first invention, and inflow part is arranged so that the system in cylindrical space The flow direction of refrigerant gas and the direction of rotation of rotor become same direction.According to this structure, By the rotation of rotor, the speed of the rotary current produced in space in the container of a side improves, Separating of oil effect can be improved.
3rd invention is in the first or second invention, forms the airtight of space in the container of a side The end of container is hemispherical.According to this structure, the rotary current in space in the container of a side The radius of gyration is along with being gradually reduced near discharge pipe, and therefore centrifugal force becomes big, it is possible to increase oil The effect separated.
4th invention is in the first to the 3rd invention, and discharge pipe is arranged in the end of hermetic container Axle center.According to this structure, refrigerant gas is by the rotary current in space in the container of a side Center is sent to outside, and in therefore can effectively utilizing the container of a side in separating of oil, space is whole Body, it is possible to increase separating of oil effect.
Hereinafter, referring to the drawings, embodiments of the present invention are illustrated.Wherein, the present invention It is not limited to these embodiments.
(embodiment 1)
Fig. 1 is the longitudinal section of the compressor of embodiments of the present invention 1.As it is shown in figure 1, The compressor of present embodiment includes in hermetic container 1: be compressed refrigerant gas Compression mechanical part 10;With the motor part 20 that compression mechanical part 10 is driven.
In being divided into the container of a side by compression mechanical part 10 in hermetic container 1, space 31 is with another Space 32 in the container of one side.And, in the container of the opposing party, space 32 is configured with motor Portion 20.
It addition, space 32 is divided into compression mechanism side by motor part 20 in the container of the opposing party Space 33 and space, store oil side 34.And, it is configured with store oil portion 2 in space, store oil side 34.
In hermetic container 1, by being welded with suction pipe 3 and discharge pipe 4.Suction pipe 3 With the outside that discharge pipe 4 leads to hermetic container 1, it is connected with the parts constituting freeze cycle.Inhale Adapter 3 imports refrigerant gas from the outside of hermetic container 1, and discharge pipe 4 is by refrigerant gas In the container of a side, space 31 exports to the outside of hermetic container 1.
Discharge pipe 4 is arranged in the axle center of the end of hermetic container 1.
Base bearing parts 11 are fixed in hermetic container 1 by welding, hot charging etc., and countershaft 5 enter Row axle supports.It is fixed with fixed scroll 12 at this base bearing parts 11 bolt.With fixed scroll The orbiting scroll member 13 of part 12 engagement is clipped with fixed scroll 12 by base bearing parts 11. Base bearing parts 11, fixed scroll 12 and orbiting scroll member 13 constitute scroll compressor mechanism Portion 10.
Motor part 20 includes stator 21 and rotor 22.Stator 21 is fixed on hermetic container 1. Rotor 22 rotates relative to stator 21.Axle 5 is rotated by rotor 22.
Crosshead shaft coupling it is provided with between orbiting scroll member 13 and base bearing parts 11 Rotation limiting mechanism 14 Deng realization.Rotation limiting mechanism 14 prevents oneself of orbiting scroll member 13 Turn, and guide so that orbiting scroll member 13 carries out circular orbit motion.Orbiting scroll member 13 Eccentric axial portion 5a eccentric drive by the upper end being arranged at axle 5.By this eccentric drive, formed Discharge chambe 15 between fixed scroll 12 and orbiting scroll member 13 moves from outer circumference central part Dynamic, reduce volume and be compressed.
Suction path 16 it is formed with between suction pipe 3 and discharge chambe 15.Suck path 16 to set It is placed in fixed scroll 12.
Central part in fixed scroll 12 is formed with the outlet 17 of compression mechanical part 10.? Outlet 17 is provided with pin reed valve 18.
In the container of a side of fixed scroll 12, side, space 31 is provided with covering outlet 17 Acoustic filter 19 with pin reed valve 18.Acoustic filter 19 is empty in making the container of outlet 17 and a side Between 31 isolation.
Refrigerant gas is sucked discharge chambe 15 from suction pipe 3 via sucking path 16.In compression Refrigerant gas after the compression of room 15 is expelled in acoustic filter 19 from outlet 17.Pin reed valve 18 are opened when refrigerant gas is discharged from outlet 17.
The lower end of axle 5 is provided with pump 6.The suction inlet of pump 6 is arranged in and is arranged at hermetic container 1 Bottom store oil portion 2 in.Pump 6 is driven by axle 5.Therefore, no matter pressure condition or operating Speed how, and the oil that all can reliably will be located in store oil portion 2 drinks up, and will not slide The petrol starvation in portion.The oil drunk up by pump 6 is through oily supply hole 7 quilt being formed in axle 5 Supply is to compression mechanical part 10.It addition, before oil being drunk up with pump 6 or drinking up it After, it is removed from the oil foreign body if, with oil filter, is then prevented from foreign body and is mixed into compression mechanism Portion 10, it is possible to improve reliability further.
It is directed to the pressure of the oil of compression mechanical part 10 and the cold-producing medium discharged from outlet 17 The discharge pressure of gas is roughly equal, also constitutes the back pressure source to orbiting scroll member 13.Thus, Orbiting scroll member 13 will not leave fixed scroll 12 or with it while contacting, and stably carries out Action.Further, an oily part enters in the way of seeking to flee from place because of supply pressure, deadweight Between eccentric axial portion 5a and the fitting portion of orbiting scroll member 13 and axle 5 and base bearing parts 11 Bearing portion 8 be lubricated, then fall, be back to store oil portion 2.
Being formed with path 7a at orbiting scroll member 13, one end of path 7a is opened in high-pressure area 35 Mouthful, the other end of path 7a is at back pressure chamber 36 opening.Rotation limiting mechanism 14 is arranged in back pressure Room 36.
Therefore, a part for the oil to high-pressure area 35 is supplied through path 7a, entrance back pressure chamber 36.The sliding part of thrust sliding part and rotation limiting mechanism 14 is entered by the oil entering back pressure chamber 36 Row lubrication, applies back pressure at back pressure chamber 36 to orbiting scroll member 13.
Then, utilize Fig. 1 and Fig. 2, the separating of oil mechanism part of the discharge chambe of embodiment 1 is entered Row explanation.
Fig. 2 is the major part amplification sectional view of the compression mechanical part of Fig. 1.
The compressor of present embodiment is provided with from the refrigerant gas discharged by compression mechanical part 10 Separate the separating of oil mechanism part 40 of oil.
Separating of oil mechanism part 40 includes: the cylindrical space 41 making refrigerant gas turn round;To disappear The inflow part 42 connected with cylindrical space 41 in sound device 19;By cylindrical space 41 and a side Container in space 31 connection send mouth 43;With the appearance by cylindrical space 41 and the opposing party The outlet 44 of space 32 connection in device.
Cylindrical space 41 includes the first cylindrical space 41a being formed at fixed scroll 12 With the second cylindrical space 41b being formed at base bearing parts 11.
Inflow part 42 connects with the first cylindrical space 41a, preferably flows into the opening shape in portion 42 Become the upper end inner peripheral surface at the first cylindrical space 41a.And, inflow part 42 makes by compressor The refrigerant gas that structure portion 10 discharges flows into cylindrical space 41 in acoustic filter 19.Inflow part 42 in the tangential direction upper shed of cylindrical space 41.
Send mouth 43 and be formed at the upper end side of cylindrical space 41, be formed at least than inflow part 42 more by the position of side, space 31 in the container of a side.Preferably send mouth 43 and be formed at the first circle The upper surface of cylindrical space 41a.And, send mouth 43 from cylindrical space 41 to a side's In container, the refrigerant gas having separated oil is sent in space 31.
Outlet 44 is formed at the lower end side of cylindrical space 41, is formed at least than inflow part 42 more by the position of side, space 32 in the container of the opposing party.Preferably outlet 44 is formed at second The lower surface of cylindrical space 41b.And, outlet 44 from cylindrical space 41 to compression The oil and a part for refrigerant gas separated is discharged in mechanism side space 33.
Here, preferably send the sectional area A of the peristome of mouth 43 less than cylindrical space 41 Sectional area C, more than the sectional area B of the peristome of outlet 44.When the peristome sending mouth 43 Sectional area A equal with the sectional area C of cylindrical space 41 time, the revolution of refrigerant gas Stream is not directed to the direction of outlet 44, and blows out from sending mouth 43.It addition, when discharging When the sectional area B of the peristome of mouth 44 is equal with the sectional area C of cylindrical space 41, refrigeration The rotary current of agent gas blows out from outlet 44.
It addition, by making the sectional area A sending the peristome of mouth 43 opening more than outlet 44 The sectional area B of oral area, the flow path resistance sending mouth 43 reduces.Thus, compared to outlet 44, Refrigerant gas is easier to flow to send mouth 43.As an example, A/B can be set as about 9.
In present embodiment, formed by the peripheral part of fixed scroll 12 is implemented hole machined First cylindrical space 41a, the shape by the peripheral part enforcement hole machined to base bearing parts 11 Become the second cylindrical space 41b.It addition, the contrary side of the overlapping side in fixed scroll 12 Face, is formed at the groove of the tangential direction upper shed of the first cylindrical space 41a, by acoustic filter 19 Cover a part for the groove of the first cylindrical space 41a side, thus constitute inflow part 42.It addition, Send mouth 43 and be formed from the hole composition of acoustic filter 19, this hole is arranged in first cylindric empty Between the opening of 41a.It addition, the hole that outlet 44 is formed from bearing cap 45 is constituted, should Hole is arranged in the opening of the second cylindrical space 41b.
Hereinafter, the effect to the separating of oil mechanism part 40 of present embodiment illustrates.
The refrigerant gas being expelled in acoustic filter 19 is through being formed from the stream of fixed scroll 12 Enter portion 42, be directed to cylindrical space 41.Inflow part 42 is at the tangent line of cylindrical space 41 Direction upper shed, the refrigerant gas of the X-direction therefore sent from inflow part 42, along cylinder The internal face flowing in shape space 41, the inner peripheral surface at cylindrical space 41 produces in Y-direction Rotary current.This rotary current becomes the flowing gone to outlet 44.
Refrigerant gas comprises and supplies the oil to compression mechanical part 10, rotate at refrigerant gas Period, heavy oil is attached to the inwall of cylindrical space 41 because of centrifugal force, with cold-producing medium Gas separates.
At the rotary current that the inner peripheral surface of cylindrical space 41 produces, arriving after outlet 44 or Turn back near outlet 44, become the upper up-flow at center by cylindrical space 41.
The refrigerant gas utilizing centrifugal force separate oil utilizes to flow up to reach sends mouth 43, quilt It is sent to space 31 in the container of a side.It is sent to the cold-producing medium gas in space 31 in the container of a side Body is sent to outside hermetic container 1 by the discharge pipe 4 in space 31 in the container being arranged at a side Portion, is supplied to freeze cycle.
It addition, the isolated oil of cylindrical space 41 together with a small amount of refrigerant gas by from Outlet 44 is sent to compress mechanism side space 33.It is sent to compress the oil in mechanism side space 33 Utilize the wall via hermetic container 1 of conducting oneself with dignity, the access of motor part 20, arrive store oil portion 2。
It is sent to the gas compressing mechanism side space 33 arrived by the gap of compression mechanical part 10 Space 31 in the container of one side, is sent to the outside of hermetic container 1 from discharge pipe 4.
In the separating of oil mechanism part 40 of present embodiment, make to send mouth 43 and be formed at and compare inflow part 42, more by the position of side, space 31 in the hermetic container of a side, make outlet 44 be formed at than stream Enter portion 42 more by the position of side, space 32 in the container of the opposing party.Therefore, from inflow part 42 Between outlet 44, the inner peripheral surface at cylindrical space 41 produces rotary current, from discharge Mouth 44 is to sending between mouth 43, and the central part at cylindrical space 41 produces contrary with rotary current The flowing in direction.Therefore, along with outlet 44 is away from inflow part 42, the revolution of refrigerant gas Number of times increases, and oil separating effect improves.It addition, the refrigerant gas after Hui Zhuan is by revolution The central part of stream, therefore, sends mouth 43 and is positioned at than inflow part 42 more contrary by outlet side The position of side.That is, by increasing the distance of inflow part 42 and outlet 44 as far as possible, The effect that oil revolution separates can be improved.
It addition, isolated oil measure will not be stayed appearance by the separating of oil mechanism part 40 of present embodiment Space 32 in device, and oil is discharged from outlet 44 together with refrigerant gas, the most also possess The rotary current that inner peripheral surface at cylindrical space 41 produces is guided the direction to outlet 44 Effect.
If not forming outlet 44 at cylindrical space 41 but oil measure being stayed cylindric empty Between in 41, then will not produce the flowing guiding to outside from outlet 44, therefore rotary current arrives Disappear before reaching pasta, or when arriving pasta, oil is rolled.It addition, in order to not cylindric empty Between 41 form outlets 44 and also play separating of oil function, need to be formed needed for storing oil Enough spaces.
But, as shown in the separating of oil mechanism part 40 of present embodiment, by by oil and cold-producing medium Gas is discharged from outlet 44 together, it is possible to guide rotary current to outlet 44, and the most not Oil can be rolled.
According to present embodiment, send from separating of oil mechanism part 40 after compression mechanical part 10 compresses The refrigerant gas of the most High Temperature High Pressure gone out be directed to the container of a side in space 31 also Discharge from discharge pipe 4.Therefore, the refrigerant gas of most High Temperature High Pressure will not be by electricity Motivation portion 20, therefore motor part 20 will not be heated by refrigerant gas, it is possible to realizes motor The high efficiency in portion 20.
It addition, according to present embodiment, by the refrigerant gas by most High Temperature High Pressure Guide to space 31 in the container of a side, it is possible to suppression connects with space in the container of the opposing party 32 The heating of compression mechanical part 10, therefore, it is possible to suppression sucks the heating of refrigerant gas, and High volume efficiency in discharge chambe.
It addition, according to present embodiment, will be in the separating of oil isolated oil of mechanism part 40 and refrigeration Agent gas is expelled to space 32 in the container of the opposing party together, and therefore oil is trapped in circle hardly In cylindrical space 41.Therefore, isolated oil will not be rotated in cylindrical space 41 Refrigerant gas blows afloat and sends from sending mouth 43 together with refrigerant gas, it is possible to carry out stable Separating of oil.Further, oil is not made to be trapped in cylindrical space 41, therefore, it is possible to make cylindrical shape Space 41 is formed less.
It addition, according to present embodiment, store oil portion 2 is arranged in space, store oil side 34, in pressure Contracting mechanism side space 33 does not store oil, therefore, it is possible to make hermetic container 1 miniaturization.
It addition, according to present embodiment, be configured with the outlet 17 making compression mechanical part 10 with The acoustic filter 19 of space 31 isolation in the container of one side, and make acoustic filter by inflow part 42 Connect with cylindrical space 41 in 19, it is possible to the system after compression mechanical part 10 compresses Refrigerant gas is to reliably guided to separating of oil mechanism part 40.That is, all of refrigerant gas passes through Separating of oil mechanism 40, thus it is possible to separate oil from refrigerant gas efficiently.It addition, from row The refrigerant gas of the most high temperature of outlet 17 discharge is not by space in the container of the opposing party 32, and the outside of hermetic container 1 it is expelled to from discharge pipe 4, therefore, it is possible to suppression motor part 20, the heating of compression mechanical part 10.
It addition, according to present embodiment, make cylindrical space 41 be formed at fixed scroll 12 With base bearing parts 11, thus enable that the refrigerant gas of outlet 17 to discharge pipe 4 flows through Path formed shorter, it is possible to make hermetic container 1 miniaturization.
(embodiment 2)
Fig. 3 is that the major part of the compression mechanical part of the compressor of embodiments of the present invention 2 is put Heavy in section figure.The basic structure of present embodiment is identical with Fig. 1, therefore omits the description.It addition, To the structure mark same reference numerals identical with Fig. 1 and structure illustrated in fig. 2, omit one Part explanation.
In present embodiment, by the peripheral part enforcement stepped hole processing in fixed scroll 12 Form the first cylindrical space 41c and send a mouthful 43a.First cylindrical space 41c is by from it With the link surface side end face of base bearing parts 11 (superimposed lateral end face) the most through hole of processing and shape Become.Send mouthful 43a by the link surface side end face (superimposed lateral end from itself and base bearing parts 11 Face) or from it with the opposition side end face of the link surface side of base bearing parts 11 (overlapping side contrary Side end face) little hole, the through cross section than the first cylindrical space 41c and formed.
It addition, form second by implementing stepped hole processing at the peripheral part of base bearing parts 11 Cylindrical space 41d and outlet 44a.Second cylindrical space 41d by from it with fixing whirlpool The link surface (by thrust face) of rotating part 12 is processed the most through hole and is formed.Outlet 44a is led to Cross from its link surface (thrust face) with fixed scroll 12 or from itself and fixed scroll 12 The opposing face (opposing face of thrust face) of link surface through than the second cylindrical space 41d's Hole that cross section is little and formed.
It addition, inflow part 42a is by from the company with base bearing parts 11 of fixed scroll 12 The opposition side end face (the opposition side end face of overlapping side) of junction side is formed at the first cylindrical space The through hole of the tangential direction upper shed of 41c and formed.
In the present embodiment, the effect of separating of oil mechanism part 40 is identical with embodiment 1, real Execute the effect of mode 1, effect the most identical, therefore omit the description.
(embodiment 3)
Fig. 4 is that the major part of the compression mechanical part of the compressor of embodiments of the present invention 3 is put Heavy in section figure.
The basic structure of present embodiment is identical with Fig. 1, therefore omits the description.It addition, and Fig. 1 The structure mark same reference numerals identical with structure illustrated in fig. 2, omits part explanation.
In present embodiment, be provided with tubular in cylindrical space 41 sends pipe 46.
Mouth 43 is sent in one end 46a formation sending pipe 46, and the other end 46b sending pipe 46 joins Put in cylindrical space 41.It addition, in the present embodiment, the other end of pipe 46 is sent 46b extends in the second cylindrical space 41b.
Be formed with cylindrical space 46c in the periphery sending pipe 46, inflow part 42 is in cylindrical space 46c opening.The flange 46d extending to foreign side it is formed with at one end 46a sending pipe 46.
The refrigerant gas flowed into from inflow part 42 becomes rotary current, by cylindrical space 46c, Inner peripheral surface along cylindrical space 41 arrives outlet 44, then at cylindrical space 41 Center adverse current.Then, send in pipe 46, from sending from the other end 46b inflow sending pipe 46 One end 46a going out pipe 46 flows out.
In present embodiment, the first cylindrical space 41e is by the periphery to fixed scroll 12 Portion implements stepped hole processing and is formed.That is, at the contrary side of the overlapping side of fixed scroll 12 Face is formed with the hole that the inner circumferential cross section than the first cylindrical space 41e is big, receives and send in this hole Go out the flange 46d of pipe 46.
As shown in the embodiment, arrange tubular in cylindrical space 41 sends pipe 46, by This, such as in the case of a liter altofrequency makes compressor operation, it is also possible to reliably obtains separating of oil Effect.
It addition, when pipe 46 is sent in setting, it is important that make the axle center of cylindrical space 41 with The axle center sending pipe 46 is consistent.
It addition, when pipe 46 is sent in setting, it is important that sending pipe 46, flange 46d is set, And this flange 46d is arranged in the hole being formed at cylindrical space 41, will with acoustic filter 19 Send pipe 46 and be fixed on cylindrical space 47.
It addition, send the internal diameter sectional area D sectional area B more than outlet 44 of pipe 46.By This, compared to outlet 44, refrigerant gas is easier to flow to send mouth 43.As an example, D/B can be set as about 9.
According to present embodiment, send pipe 46 by arrange tubular in cylindrical space 41, The separating of oil effect in cylindrical space 41 can be improved.
In being provided with the present embodiment sending pipe 46, the basic work of separating of oil mechanism part 40 With also identical with embodiment 1, the effect of embodiment 1, effect are the most identical, therefore omit Explanation.
It addition, in the present embodiment, also illustrate that a separating of oil mechanism part 40, but have There is multiple separating of oil mechanism part 40.
And, configure inflow part 42 relative to cylindrical space 41 so that multiple separating of oil mechanisms In portion 40, the direction of the rotary current of the inner peripheral surface of respective cylindrical space 41 becomes same direction (Y-direction).It addition, configure inflow part 42 relative to cylindrical space 41 so that cylindric The flow direction Y of the refrigerant gas in space 41 becomes identical with the direction of rotation of rotor 22 Direction.
(embodiment 4)
Fig. 5 is that the major part of the compression mechanical part of the compressor of embodiments of the present invention 4 is put Heavy in section figure.
The basic structure of present embodiment is identical with Fig. 1, therefore omits the description.It addition, to Structure mark same reference numerals identical with structure illustrated in fig. 2 for Fig. 1, omits a part Explanation.
In present embodiment, be provided with tubular in cylindrical space 41 sends pipe 47.This reality The pipe 47 of sending executing mode forms as one with acoustic filter 19.
Mouth 43 is sent in one end 47a formation sending pipe 47, and the other end 47b sending pipe 47 joins Put in cylindrical space 41.It addition, in the present embodiment, the other end of pipe 47 is sent 47b extends in the second cylindrical space 41b.
Be formed with cylindrical space 47c in the periphery sending pipe 47, inflow part 42 is in cylindrical space 47c opening.The refrigerant gas flowed into from inflow part 42 becomes rotary current, passes through cylindrical space 47c, the inner peripheral surface along cylindrical space 41 arrives outlet 44, then at cylindrical space The center adverse current of 41.Then, flow into from the other end 47b sending pipe 47 and send in pipe 47, Flow out from one end 47a sending pipe 47.
As shown in the embodiment, be provided with tubular in cylindrical space 41 sends pipe 47, Thus, such as in the case of a liter altofrequency makes compressor operation, it is also possible to reliably obtain oil point From effect.
Additionally, when pipe 47 is sent in setting, it is important that make the axle center of cylindrical space 41 with The axle center sending pipe 47 is consistent.
It addition, when pipe 47 is sent in setting, make to send pipe 47 and form as one with acoustic filter 19, It is possible to send pipe 47 and be fixed on cylindrical space 41.
It addition, send the internal diameter sectional area D sectional area B more than outlet 44 of pipe 47.
According to present embodiment, send pipe 47 by arrange tubular in cylindrical space 41, The separating of oil effect in cylindrical space 41 can be improved.
In being provided with the present embodiment sending pipe 47, the basic work of separating of oil mechanism part 40 With also identical with embodiment 1, the effect of embodiment 1, effect are the most identical, therefore omit Explanation.
(embodiment 5)
Fig. 6 is the longitudinal section of the compressor of embodiments of the present invention 5.
The basic structure of present embodiment is identical with Fig. 1, therefore omits the description.
In the present embodiment, the refrigerant gas rotary part 48 of cylindrical space 41 will be constituted It is configured at space 31 in the container of a side.
Refrigerant gas rotary part 48 is arranged at the outer peripheral face of acoustic filter 19.At cold-producing medium gas Body rotary part 48 is formed with inflow part 42b, sends a mouthful 43b, outlet 44b.
Inflow part 42b connects with cylindrical space 41 in acoustic filter 19, and sending mouthful 43b will Cylindrical space 41 connects with space 31 in the container of a side, and outlet 44b is empty by cylindrical shape Between 41 connect with space 31 in the container of a side.
The opening of inflow part 42b is formed at the end side inner peripheral surface of cylindrical space 41.And, Inflow part 42b makes the refrigerant gas discharged by compression mechanical part 10 flow in acoustic filter 19 Cylindrical space 41.Inflow part 42b is in the tangential direction upper shed of cylindrical space 41.
Send mouthful 43b and be formed at the end side of cylindrical space 41, and be formed at least than stream Enter portion 42b more by the position of end side.Preferably send mouthful 43b and be formed at cylindrical space 41 The end face of end side.And, send mouthful 43b from cylindrical space 41 to empty in the container of a side Between 31 send separated oil refrigerant gas.
Outlet 44b is formed at another side of cylindrical space 41, and be formed at least than Inflow part 42b is more by the position of another side.Additionally, it is preferred that outlet 44b is formed at cylinder The bottom of the end face of another side in shape space 41.And, outlet 44b is from cylindrical space 41 in the container of a side space 31 discharge a part for isolated oil and refrigerant gas.? This, the sectional area A of the peristome sending mouthful 43b is less than the sectional area of cylindrical space 41, greatly Sectional area B in the peristome of outlet 44b.
Hereinafter, the effect to the separating of oil mechanism part 40 of present embodiment illustrates.
The refrigerant gas being expelled in acoustic filter 19 is through being formed from the upper surface of acoustic filter 19 Inflow part 42b, be directed to cylindrical space 41.Inflow part 42b is at cylindrical space 41 Tangential direction upper shed, the refrigerant gas therefore sent from inflow part 42b, along cylinder The internal face flowing in shape space 41, the inner peripheral surface at cylindrical space 41 produces rotary current.Should Rotary current becomes the flowing gone to outlet 44b.
Containing supplying the oil to compression mechanical part 10 in refrigerant gas, rotate at refrigerant gas Period, heavy oil is attached to the inwall of cylindrical space 41 because of centrifugal force, with cold-producing medium Gas separates.
At the rotary current that the inner peripheral surface of cylindrical space 41 produces, arriving after outlet 44b or Turn back near outlet 44b, become the adverse current at center by cylindrical space 41.
Utilize the refrigerant gas of centrifugal force separate oil by flowing through the center of cylindrical space 41 Flowing and arrive and send a mouthful 43b, be sent to space 31 in the container of a side.It is sent to one In the container of side, the refrigerant gas in space 31 is by space 31 in the container being arranged at a side Discharge pipe 4 is sent to the outside of hermetic container 1, and supply is to freeze cycle.
It addition, accumulate because of deadweight at the isolated oil of cylindrical space 41 secund, row Outlet 44b is formed at bottom or the bottom of cylindrical space 41 of the end face of another side, therefore Oil easily can be discharged.
Isolated oil is sent to eliminate the noise from outlet 44b together with a small amount of refrigerant gas Device 19 upper surface.The oil being sent to acoustic filter 19 upper surface utilizes deadweight to pass through compression mechanical part Space 31 in the container of a side, the gap of 10 arrives compresses mechanism side space 33, and then via The wall of hermetic container 1, the access of motor part 20, arrive store oil portion 2.
The refrigerant gas sent from outlet 44b is by space 31 in the container being arranged at a side Discharge pipe 4 be sent to the outside of hermetic container 1, supply is to freeze cycle.
In the separating of oil mechanism part 40 of present embodiment, make to send a mouthful 43b and be formed at and compare inflow part 42b more leans on the position of the end side of cylindrical space 41, makes outlet 44b be formed at than inflow Portion 42b more leans on the position of another side of cylindrical space 41.Therefore, from inflow part 42b Between outlet 44b, the inner peripheral surface at cylindrical space 41 produces rotary current, from discharge Mouth 44b is to sending between mouthful 43b, and the central part at cylindrical space 41 produces and rotary current phase Reciprocal flowing.Therefore, along with outlet 44b is away from inflow part 42b, refrigerant gas Revolution number of times increases, and oil separating effect improves.It addition, the refrigerant gas after Hui Zhuan passes through The central part of rotary current, therefore, sends a mouthful 43b and is positioned at than inflow part 42b more by outlet side The position of opposition side.That is, by increasing inflow part 42b and outlet 44b as far as possible Distance, it is possible to increase oil revolution separate effect.
It addition, the separating of oil mechanism part 40 of present embodiment does not stores point at cylindrical space 41 The oil separated out, and oil is discharged from outlet 44b together with refrigerant gas, the most also possess The rotary current that inner peripheral surface at cylindrical space 41 produces is guided the direction to outlet 44b Effect.
If not forming outlet 44b at cylindrical space 41 and oil measure being stayed cylindrical space In 41, then will not produce the flowing guiding to outside from outlet 44b, therefore rotary current can be oil Roll.It addition, also play separating of oil merit to not form outlet 44b at cylindrical space 41 Can, need to be formed for storing the enough spaces needed for oil.
But, as shown in the separating of oil mechanism part 40 of present embodiment, by by oil and cold-producing medium Gas is discharged from outlet 44b together, it is possible to guide rotary current to outlet 44b, and also Oil will not be rolled.
According to present embodiment, do not change the axial dimension of compressor, it is also possible to carry out rotating and divide From.It addition, because increasing the revolution number of times of refrigerant gas, so it also is able to increase cylindrical shape Space 41, more specifically, it is possible to increase the distance of inflow part 42b and outlet 44b.By This, it is possible to when maintaining the size of compressor self, separating of oil mechanism part 40 is arranged on The inside of hermetic container 1, and also be able to improve the effect that oil revolution separates.
It addition, according to present embodiment, the refrigerant gas constituting cylindrical space 41 is rotated Parts 48 are arranged in space 31 in the container of a side, thus enable that outlet 17 to discharge pipe The path that the refrigerant gas of 4 flows through is formed shorter, it is possible to make hermetic container 1 miniaturization.
According to present embodiment, send from separating of oil mechanism part 40 after compression mechanical part 10 compresses The refrigerant gas of the High Temperature High Pressure gone out, is directed in the container of a side space 31 and from discharge Pipe 4 is discharged.Therefore, the refrigerant gas of High Temperature High Pressure is not by motor part 20, therefore electric Motivation portion 20 is not heated by refrigerant gas, it is possible to realize the high efficiency of motor part 20.
It addition, according to present embodiment, by by the refrigerant gas guiding of High Temperature High Pressure to Space 31 in the container of side, it is possible to the compressor that suppression connects with space in the container of the opposing party 32 The heating in structure portion 10, therefore, it is possible to suppression sucks the heating of refrigerant gas, and obtains discharge chambe Interior high volume efficiency.
It addition, according to present embodiment, will be in the separating of oil isolated oil of mechanism part 40 and refrigeration Agent gas is expelled to space 31 in the container of a side together, and therefore oil is trapped in cylinder hardly In shape space 41.Therefore, the system that isolated oil will not be rotated in cylindrical space 41 Refrigerant gas blows afloat and sends from sending a mouthful 43b together with refrigerant gas, it is possible to carry out stable Separating of oil.Further, oil will not be made to be trapped in cylindrical space 41, therefore, it is possible to make cylinder Shape space 41 is formed less.
It addition, according to present embodiment, store oil portion 2 is arranged in space, store oil side 34, in pressure Contracting mechanism side space 33 does not store oil, therefore, it is possible to make hermetic container 1 miniaturization.
It addition, according to present embodiment, be configured with the outlet 17 making compression mechanical part 10 with The acoustic filter 19 of space 31 isolation in the container of one side, and by inflow part 42b by acoustic filter Connect with cylindrical space 41 in 19, it is possible to the system after compression mechanical part 10 compresses Refrigerant gas is to reliably guided to separating of oil mechanism part 40.That is, all of refrigerant gas passes through Separating of oil mechanism 40, therefore, it is possible to separate oil with refrigerant gas efficiently.It addition, from The refrigerant gas of the high temperature that outlet 17 is discharged by space 32 in the container of the opposing party, and The outside of hermetic container 1 it is expelled to from discharge pipe 4, therefore, it is possible to suppression motor part 20, pressure The heating of contracting mechanism part 10.
In the compressor of the respective embodiments described above, it is provided with plural cylindrical space 41.
That is, in each embodiment, although illustrate only a separating of oil mechanism part 40, but have There is multiple separating of oil mechanism part 40.
And, configure inflow part 42 relative to cylindrical space 41 so that multiple separating of oil mechanisms The direction of the rotary current that the inner peripheral surface of the respective cylindrical space 41 in portion 40 goes out becomes same side To (Y-direction), it is possible in the container of a side, space 31 produce a direction (Y Direction) rotary current.
It addition, configure inflow part 42 relative to cylindrical space 41 so that cylindrical space 41 In the flow direction Y of refrigerant gas and the direction of rotation of rotor 22 become same direction, by The speed of this rotary current that can improve in the container of a side in space 31.
It addition, in the compressor of the respective embodiments described above, as cold-producing medium, it is possible to use two Carbonoxide.Carbon dioxide is high temperature refrigerant, when using this high temperature refrigerant, and the present invention More effectively.
During it addition, use carbon dioxide as cold-producing medium, use as oil with poly alkylene glycol Oil for main component.The intermiscibility of carbon dioxide and poly alkylene glycol is low, the most separating of oil Excellent effect.
(embodiment 6)
The basic structure of present embodiment is identical with Fig. 1, therefore omits the description.It addition, to Structure mark same reference numerals identical with structure illustrated in fig. 2 for Fig. 1, omits a part Explanation.
Fig. 7 is the major part amplification sectional view of the compression mechanical part of embodiments of the present invention 6. In the present embodiment, by separating of oil mechanism part 40 and the separating of oil mechanism part of the opposing party of a side 40c is arranged at the position becoming symmetry relative to outlet 17.
It addition, configure inflow part 42 relative to cylindrical space 41 so that the separating of oil machine of a side The flow direction of refrigerant gas in the cylindrical space 41 in structure portion 40 divides with the oil of the opposing party The flow direction of the refrigerant gas in the cylindrical space 41 of mechanism part 40c becomes same side To.
Thus, from the system sending the X-direction that mouth 43 is sent of the separating of oil mechanism part 40 of a side Refrigerant gas in the container of a side flow direction in space 31 (Y-direction) with from the opposing party The refrigerant gas sending the X-direction that mouthful 43c sends of separating of oil mechanism part 40c a side Container in flow direction (Y-direction) in space 31 consistent, refrigerant gas is along formation The internal face flowing of the hermetic container 1 in space 31 in the container of one side, at the container forming a side The inner peripheral surface of the hermetic container 1 in interior space 31 produces the rotary current of Z-direction.Container a side In interior space 31 produce refrigerant gas rotary current flow direction (Z-direction) with justifying The flow direction (Y-direction) of the rotary current of the refrigerant gas produced in cylindrical space 41 is consistent. In the present embodiment, the flow direction of the rotary current produced in cylindrical space 40,40c (Y-direction) is counterclockwise, the rotary current produced in space 31 in the container of a side Flow direction (Z-direction) is also counterclockwise.It addition, relative to by by cylindrical space The border of the straight line defined that the center of 41 and the front end, inflow side of inflow part 42 connect, inflow part The opposition side of the inflow side of 42 is positioned at side (right side), it addition, relative to by by cylindrical space The border of the straight line defined that the center of 41c and the front end, inflow side of inflow part 42c connect, flows into The opposition side of the inflow side of portion 42c is positioned at side (right side), and therefore the flow direction of rotary current is Counterclockwise, become identical.
It is sent in the container of a side the refrigerant gas in space 31 from separating of oil mechanism part 40 Containing not separating clean oil in separating of oil mechanism part 40, during refrigerant gas rotates, than The oil that weight is high is attached to the inwall in space 31 in the container of a side because of centrifugal force, with cold-producing medium gas Body separates.Then, refrigerant gas is by the discharge pipe in space 31 in the container being arranged at a side 4 outsides being sent to hermetic container 1, supply is to freeze cycle.
It addition, the isolated oil in space 31 utilizes deadweight to arrive store oil portion 2 in the container of a side. As a result of which it is, oil circulation amount can be reduced.It addition, Fig. 7 represents is configured with two separating of oil machines The form in structure portion, but it is being capable of in the range of the effect of present embodiment, it is also possible to configuration Two or more.
It addition, configure inflow part 42 relative to cylindrical space 41 so that the separating of oil machine of a side The flow direction of refrigerant gas and the oil of the opposing party in the cylindrical space 41 in structure portion 40 divide The flow direction of the refrigerant gas in the cylindrical space 41 of mechanism part 40c and rotor 22 Direction of rotation consistent.
According to present embodiment, in the container of a side, space 31 is through being formed from compression mechanical part 10 The breach of peripheral part, intercommunicating pore (not shown) with compression mechanism side space 33 be connected, pass through Rotor 49 rotates, and the rotary current of the refrigerant gas being formed at compression mechanism side space 33 also flows Space 31 to the container of a side, makes the cold-producing medium gas produced in space 31 in the container of a side The speed of the rotary current of body improves, and therefore centrifugal force increases, it is possible to increase separating of oil effect.
It addition, be illustrated based on embodiment 1 during explanation present embodiment, but this reality The mode of executing also is able to be applicable to embodiment 2~5.
(embodiment 7)
Fig. 8 is the longitudinal section of the compressor of embodiments of the present invention 7.
The basic structure of present embodiment is identical with Fig. 1, therefore omits the description.It addition, to Structure mark same reference numerals identical with structure illustrated in fig. 2 for Fig. 1, omits a part Explanation.
In the present embodiment, the end of the hermetic container 1 in space 31 in the container of formation one side is made Portion 70 is hemispherical.The revolution of the refrigerant gas produced in space 31 in the container of a side The speed of stream diminishes along with close discharge pipe 4, but by making the end 70 of hermetic container 1 Be shaped as hemispherical, the radius of gyration of rotary current tapers into, so, centrifugal force increases, Separating of oil effect can be improved.
It addition, be illustrated based on embodiment 1 during explanation present embodiment, but this reality The mode of executing also is able to be applicable to embodiment 2~6.
(embodiment 8)
Fig. 9 is the upper surface figure of the compressor of embodiments of the present invention 8.
The basic structure of present embodiment is identical with Fig. 8, therefore omits the description.
In the present embodiment, discharge pipe 4 is arranged in the axle center of the end of hermetic container 1. According to present embodiment, in the container of a side, the flowing of the refrigerant gas in space 31 is along one The rotary current of the inner peripheral surface in the hermetic container space 31 of side, by being arranged in a side by discharge pipe 4 Container in the axle center in space 31, make refrigerant gas in space 31 in the container of a side Side face gradually in the container of a side axle center in space move, by space 31 in the container of a side Entirety is effectively used in separating of oil, and from discharge pipe 4, refrigerant gas is sent to hermetic container 1 Outside, therefore, it is possible to improve separating of oil effect.
Industrial utilizability
The present invention can be applicable to scroll compressor, Rotary Compressor etc. in hermetic container There is the compressor of compression mechanical part and motor part, be particularly well-suited to use high temperature refrigerant Compressor.

Claims (4)

1. a compressor, it is characterised in that:
Have in hermetic container: the compression mechanical part that refrigerant gas is compressed;With right The motor part that described compression mechanical part is driven,
By described compression mechanical part by be divided in described hermetic container in the container of a side space and Space in the container of the opposing party,
It is provided with and described refrigerant gas space in the container of one is expelled to described close Closing the discharge pipe of the outside of container, in the container of described the opposing party, space is configured with described electronic Machine portion, wherein,
Described compressor is provided with multiple for from the described refrigeration discharged by described compression mechanical part Agent gas separates the separating of oil mechanism part of oil,
Described separating of oil mechanism part has:
Make the cylindrical space that described refrigerant gas turns round;
The described refrigerant gas discharged by described compression mechanical part is made to flow into described cylindrical space Inflow part;
In the described cylindrical space container to one, space is sent and has been separated described oil Described refrigerant gas send mouth;With
With the described outlet sending mouth relative configuration, it is for discharging from described cylindrical space A part for isolated described oily and described refrigerant gas,
Described compression mechanical part includes:
Fixed scroll;
The orbiting scroll member being oppositely disposed with described fixed scroll;With
Base bearing parts, its to drive described orbiting scroll member axle carry out axle supporting,
Described cylindrical space is formed at described fixed scroll and described base bearing parts,
Described outlet connects with space in the container of described the opposing party,
Described inflow part is arranged so that the described cold-producing medium gas in all of described cylindrical space The flow direction of body becomes same direction.
2. compressor as claimed in claim 1, it is characterised in that:
The stream of the described refrigerant gas that described inflow part is arranged so that in described cylindrical space Dynamic direction becomes same direction with the direction of rotation of rotor.
3. compressor as claimed in claim 1 or 2, it is characterised in that:
In the container of formation one, the end of the described hermetic container in space is hemispherical.
4. compressor as described in claim 1 or 2, it is characterised in that:
Described discharge pipe is arranged in the axle center of the end of described hermetic container.
CN201280043303.0A 2011-11-10 2012-11-08 Compressor Active CN103797249B (en)

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JP2871307B2 (en) * 1992-06-30 1999-03-17 ダイキン工業株式会社 Scroll compressor
JPH07151083A (en) * 1993-11-29 1995-06-13 Nippondenso Co Ltd Vane type compressor
JP3418470B2 (en) * 1994-12-20 2003-06-23 東芝キヤリア株式会社 Rotary compressor
JP3721933B2 (en) * 2000-04-17 2005-11-30 株式会社デンソー Compressor
JP4024521B2 (en) * 2001-11-14 2007-12-19 三菱電機株式会社 Scroll compressor
CN100494678C (en) * 2002-03-12 2009-06-03 松下电器产业株式会社 Compressor
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JP2005180295A (en) * 2003-12-19 2005-07-07 Mitsubishi Heavy Ind Ltd Scroll compressor
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