WO2017016378A1 - Logement de palier d'échappement, compresseur à vis, et unité de climatisation - Google Patents

Logement de palier d'échappement, compresseur à vis, et unité de climatisation Download PDF

Info

Publication number
WO2017016378A1
WO2017016378A1 PCT/CN2016/088869 CN2016088869W WO2017016378A1 WO 2017016378 A1 WO2017016378 A1 WO 2017016378A1 CN 2016088869 W CN2016088869 W CN 2016088869W WO 2017016378 A1 WO2017016378 A1 WO 2017016378A1
Authority
WO
WIPO (PCT)
Prior art keywords
exhaust
chamber
bearing housing
oil
port
Prior art date
Application number
PCT/CN2016/088869
Other languages
English (en)
Chinese (zh)
Inventor
陈文卿
张天翼
李日华
刘华
杨侨明
林淑汝
毕雨时
彭延海
许康
邢子文
Original Assignee
珠海格力电器股份有限公司
珠海格力电器科技有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 珠海格力电器股份有限公司, 珠海格力电器科技有限公司 filed Critical 珠海格力电器股份有限公司
Publication of WO2017016378A1 publication Critical patent/WO2017016378A1/fr

Links

Images

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
    • 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
    • F04C29/02—Lubrication; Lubricant separation

Definitions

  • the invention relates to the field of compressors, in particular to an exhaust bearing housing, a screw compressor and an air conditioning unit.
  • the exhaust end bearing housing is an indispensable structure, which functions to fix the exhaust end of the rotor, provide a spool oil chamber, provide an exhaust passage, and fix the oil filter.
  • the exhaust bearing housing generally has a male rotor bearing cavity, a female rotor bearing cavity, a spool oil chamber and an exhaust chamber, and a return oil passage and a fuel supply passage.
  • the oil barrel 1' covers the exhaust bearing housing 2', the exhaust chamber 3' on the exhaust bearing housing 2' is generally axially open, and the oil dividing barrel 1' is provided with an oil filter screen.
  • the exhaust chamber 3' in the direction of the airflow, since the exhaust port 5' of the oil tank 1' is disposed upstream of the oil filter 4', the exhaust chamber 3' is generally connected to a section of the exhaust pipe 6' to the oil filter 4' Downstream.
  • the refrigerant gas discharged from the exhaust pipe 6' is reversely passed through the oil filter 4', and then discharged to the compressor through the exhaust port 5'.
  • the exhaust chamber opening of the exhaust bearing housing is in the axial direction, and the position is above or below. After the refrigerant exits the exhaust chamber or the exhaust pipe, it is difficult to uniformly discharge through the oil filter screen.
  • the exhaust port which affects the oil separation efficiency of the oil filter.
  • the object of the present invention is to provide an exhaust bearing housing, a screw compressor and an air conditioning unit capable of uniform flow field and improved oil separation efficiency.
  • the present invention provides an exhaust bearing housing including an exhaust chamber having an exhaust port configured to have a plurality of turning structures, exhausting The air flow can be redirected multiple times in the exhaust chamber and finally discharged from the exhaust port, the opening of the exhaust port being oriented such that in the row
  • the gas discharged from the exhaust port has a component that rotates along the inner wall of the housing and rotates around the axis of the housing.
  • the opening of the exhaust port faces in a radial direction of the spool oil chamber on the exhaust bearing housing.
  • the exhaust chamber includes a first exhaust chamber and a second exhaust chamber that are in communication with each other, the first exhaust chamber being disposed along an axial direction of the spool oil chamber, the first The two exhaust chambers are configured to have a plurality of turning structures.
  • the second exhaust chamber includes a first chamber disposed along a radial direction of the spool oil chamber and a second chamber disposed along an axial direction of the spool oil chamber.
  • the first chamber communicates with the first exhaust chamber and the second chamber, and the exhaust gas flows axially through the first exhaust chamber and then flows radially into the first chamber, and then axially It flows into the second chamber and finally flows out again through the exhaust port.
  • the second exhaust chamber is disposed on one side of a spool oil chamber and a male rotor bearing chamber on the exhaust bearing housing.
  • one side of the spool oil chamber and the male rotor bearing chamber on the exhaust bearing housing, and one side of the spool oil chamber and the female rotor bearing chamber on the exhaust bearing housing, The second exhaust chamber is provided.
  • the exhaust port on each of the second exhaust chambers is disposed such that, in the case where the exhaust bearing housing is housed in the housing, the exhaust gas flow can be promoted The inner wall of the housing and the rotational flow around the axis of the housing.
  • the present invention also provides a screw compressor including an oil sub-barrel, and further comprising an exhaust bearing housing according to any of the above embodiments, wherein the oil sub-bucket includes the exhaust bearing housing cover .
  • the oil sub-bucket is provided with an oil-separating structure, and after the exhaust gas is discharged through the exhaust port, after being filtered by the oil-separating structure, the oil-disc row arranged from the oil-tank is arranged. The port is discharged.
  • the present invention also provides an air conditioning unit comprising the screw compressor of any of the above embodiments.
  • the present invention has at least the following beneficial effects:
  • the exhaust bearing housing provided by the invention has an exhaust chamber configured to have a plurality of turning structures, and the exhaust gas flow changes the flow direction multiple times in the exhaust chamber, and impacts the inner wall surface of the exhaust chamber, thereby improving the oil efficiency and flowing Multiple changes in direction Helps to reduce vibration and noise; after the exhaust airflow is exhausted from the exhaust port, under the limitation of inertia and the casing, the exhaust airflow will move circularly along the inner wall of the casing, capable of uniform flow field, and in the course of circular motion In the centrifugal force, a large oil droplet in the exhaust gas flow will be sucked onto the wall surface of the casing to further improve the oil efficiency.
  • FIG. 1 is a schematic structural view of a compressor in the prior art
  • FIG. 2 is a schematic view showing the external structure of an exhaust bearing housing provided by the present invention.
  • FIG. 3 is a schematic view showing another external structure of an exhaust bearing housing provided by the present invention.
  • FIG. 4 is a schematic axial cross-sectional view of an exhaust bearing housing provided by the present invention.
  • Figure 5 is a cross-sectional view taken along line A-A of Figure 4.
  • Figure 6 is a first schematic view showing the flow of gas in the exhaust bearing housing provided by the present invention.
  • Figure 7 is a second schematic view showing the flow of gas in the exhaust bearing housing provided by the present invention.
  • Figure 8 is a schematic axial cross-sectional view showing the assembly of the exhaust bearing housing and the oil sub-barrel according to the present invention.
  • Figure 9 is a schematic longitudinal cross-sectional view showing the assembly of the exhaust bearing housing and the oil sub-barrel according to the present invention.
  • 1'-oil barrel 2'-exhaust bearing seat; 3'-exhaust chamber; 4'-oil filter screen; 5'-exhaust port; 6'-exhaust pipe;
  • the exhaust bearing housing 10 includes a male rotor bearing chamber 11, a female rotor bearing chamber 12, and a spool valve. Oil chamber 13 and exhaust chamber.
  • the exhaust chamber is configured to have a plurality of turning structures, the exhaust gas flow can be redirected multiple times in the exhaust chamber, and finally discharged from the exhaust port 16, the exhaust gas flow changing the flow direction multiple times in the exhaust chamber, the impingement row
  • the inner wall of the air chamber can improve the oil efficiency, and the multiple changes of the flow direction of the exhaust gas flow can help reduce vibration and noise, and play the role of vibration and noise reduction.
  • the opening of the exhaust port 16 is disposed such that, in the case where the exhaust bearing housing is housed in the housing, the gas discharged from the exhaust port 16 has a rotational flow along the inner wall of the housing and around the axis of the housing. Component. After the exhaust gas flow is exhausted from the exhaust port 16, the inertial action and the restriction of the casing, the exhaust gas flow will move circumferentially along the inner wall of the casing, capable of uniform flow field, and under the action of centrifugal force during the circular motion Larger oil droplets in the exhaust gas stream are trapped on the wall of the housing, thus acting as an oil component.
  • the opening of the exhaust port 16 is in the radial direction of the spool oil chamber 13 and its opening is oriented in a circumferential direction substantially coaxial with the oil drum 20 so that the exhaust gas flow is exhausted from the exhaust port 16
  • the inertia of the circular motion is made around the axis of the oil barrel 20.
  • the exhaust bearing housing 10 provided by the invention plays the role of improving the oil separation efficiency from at least three aspects of centrifugal action, uniform flow field and impact separation.
  • the exhaust chamber may include a first exhaust chamber 14 and a second exhaust chamber 15, which are disposed along the axial direction of the spool oil chamber 13 on the exhaust bearing housing 10,
  • the two exhaust chambers 15 communicate with the first exhaust chamber 14, and the second exhaust chamber 15 is provided with an exhaust port 16 to facilitate the discharge of the exhaust gas stream.
  • the second exhaust chamber 15 is configured to have a plurality of turning structures, and the exhaust gas flows in the axial direction through the first exhaust chamber 14 to change direction to flow into the second exhaust chamber 15, and in the second exhaust chamber 15 Under the action of the turning structure, the exhaust gas flow can be redirected multiple times in the second exhaust chamber 15 and finally discharged from the exhaust port 16.
  • One or more of the turning structures in the second exhaust chamber 15 may be provided, and an illustrative embodiment in which a turning structure is provided in the second exhaust chamber 15 is exemplified below.
  • the second exhaust chamber 15 includes a first chamber disposed along a radial direction of the spool oil chamber 13 and an axis along the spool oil chamber 13.
  • the first chamber communicates with the first exhaust chamber 14 and the second chamber, and the exhaust gas flows through the axial direction
  • An exhaust chamber 14 then flows radially into the first chamber, then axially into the second chamber, and finally flows out again through the exhaust port 16.
  • the exhaust bearing housing provided in this embodiment has at least two major features: First, the orientation of the exhaust port 16 can promote the exhaust gas flow to have a component of rotational flow along the inner wall of the housing and around the axis of the housing, or the opening specific It is a radial opening; the second is to guide the exhaust gas flow to produce a total of three flow direction transitions, as follows:
  • the exhaust gas flow enters the exhaust bearing housing, the flow direction is along the axial direction of the spool oil chamber 13, and then, due to the blockage of the bottom wall surface of the spool oil chamber 13, the steering flows in the radial direction of the spool oil chamber 13 to occur first. Change in the direction of secondary flow;
  • the change of the flow direction helps to reduce the vibration and noise, and plays the role of vibration reduction and noise reduction, and the exhaust air flow is exhausted after the exhaust port 16 is exhausted during the circular motion.
  • the larger oil droplets in the airflow are smashed onto the wall of the casing, thereby acting as an oil component and improving the efficiency of the oil.
  • the second exhaust chamber 15 can be disposed on the exhaust bearing housing 10 in the spool oil chamber 13 and the anode One side of the rotor bearing cavity 11.
  • the exhaust port 16 on each of the second exhaust chambers 15 is disposed such that, in the case where the exhaust bearing housing 10 is housed in the housing, the exhaust gas flow can be promoted along the inner wall of the housing and around the housing. The axis of the rotation move.
  • the exhaust bearing housing 10 of the present invention has an exhaust chamber capable of changing the direction of rotation of the exhaust gas flow a plurality of times, and the opening of the exhaust port 16 enables the air flow to move circumferentially along the housing, from the centrifugal action,
  • the oil flow efficiency is improved in various aspects such as uniform flow field, impact separation, etc., and the exhaust bearing housing 10 provided by the present invention is easy to cast and machine, and the use advantage is improved without increasing the cost.
  • the exhaust bearing housing 10 provided by the present invention can be applied to a screw compressor.
  • the screw compressor includes an oil sub-tank 20, and further includes an exhaust bearing housing 10 in any of the above embodiments, and the oil sub-tank 20 The exhaust bearing housing 10 is covered.
  • An oil filter structure 30 is disposed in the oil barrel 20, and the exhaust gas stream is discharged through the exhaust port 16, filtered by the oil filter structure 30, and discharged from the oil barrel discharge port 21 provided in the oil tank 20.
  • the exhaust bearing housing 10 is located in the oil sub-tank 20, the rearward travel of the exhaust bearing housing 10 is the oil sub-filter structure 30, and the oil sub-filter structure 30 is provided with the oil sub-tank exhaust port 21. After the refrigerant is discharged from the exhaust bearing housing 10, it is filtered by the oil-separating filter structure 30, and then discharged from the oil-tank exhaust port 21.
  • the refrigerant gas is first discharged through the exhaust port 16 of the exhaust bearing housing 10, and under the action of inertia and the oil subtank 20, the refrigerant will move circumferentially along the inner wall of the oil sub-tank 20.
  • a large oil droplet in the refrigerant gas is sucked onto the wall surface of the oil barrel 20 by the centrifugal force, thereby functioning as an oil component, which is similar to the spinning mechanism for separating the oil droplets.
  • the refrigerant is further passed through the oil filtration structure 30 to separate the smaller oil droplets.
  • the radial exhaust makes the refrigerant flow thread lengthen, the flow field is more uniformly mixed, and the parameters are more uniform; under the same pressure, flow rate, temperature and the like, the flow rate is uniform.
  • the oil is more efficient.
  • the oil filter structure 30 may be an oil filter or the like.
  • the screw compressor provided by the present invention can be applied to an air conditioning unit.
  • the air conditioning unit includes the above-described screw compressor, and the screw compressor includes the exhaust bearing housing 10 provided by the present invention. Therefore, the air conditioning unit and the screw compressor provided by the present invention correspond to each other. The advantageous effects of the exhaust bearing housing 10 provided by the present invention are provided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

L'invention concerne un logement de palier d'échappement (10) qui comprend une cavité d'échappement, la cavité d'échappement comprenant un orifice d'échappement (16), la cavité d'échappement étant configurée pour avoir une pluralité de structures de rotation, et un flux d'air d'échappement pouvant changer la direction d'avancée de multiples fois dans la cavité d'échappement et est enfin évacué par l'orifice d'échappement (16). L'orifice d'échappement (16) est ouvert dans une orientation de telle sorte que, dans le cas où le logement de palier d'échappement (10) est recouvert dans une coque, le gaz évacué de l'orifice d'échappement (16) a une composante s'écoulant de façon rotative le long d'une paroi interne de la coque et autour d'un axe de la coque. Le logement de palier d'échappement (10) peut avoir la fonction améliorant l'efficacité de séparation d'huile sous plusieurs aspects tels qu'un effet centrifuge, un champ de flux uniforme et une séparation par impact. Le logement de palier d'échappement (10) est situé dans un compresseur à vis, et le compresseur à vis est situé dans une unité de climatisation.
PCT/CN2016/088869 2015-07-27 2016-07-06 Logement de palier d'échappement, compresseur à vis, et unité de climatisation WO2017016378A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510449484.2A CN104963870A (zh) 2015-07-27 2015-07-27 排气轴承座、螺杆压缩机及空调机组
CN201510449484.2 2015-07-27

Publications (1)

Publication Number Publication Date
WO2017016378A1 true WO2017016378A1 (fr) 2017-02-02

Family

ID=54217924

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2016/088869 WO2017016378A1 (fr) 2015-07-27 2016-07-06 Logement de palier d'échappement, compresseur à vis, et unité de climatisation

Country Status (2)

Country Link
CN (1) CN104963870A (fr)
WO (1) WO2017016378A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114704481A (zh) * 2022-05-23 2022-07-05 山东省章丘鼓风机股份有限公司 一种防高压区漏油的离心风机

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104963870A (zh) * 2015-07-27 2015-10-07 珠海格力电器股份有限公司 排气轴承座、螺杆压缩机及空调机组
CN105508439B (zh) * 2016-01-04 2018-10-19 珠海格力电器股份有限公司 螺杆机及其排气轴承座总成

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4173440A (en) * 1977-06-17 1979-11-06 Compagnie Industrielle Des Telecommunications Cit-Alcatel Method and device for lubricating compressors
JPS5654987A (en) * 1979-10-11 1981-05-15 Hitachi Ltd Screw compressor
CN104265634A (zh) * 2014-09-19 2015-01-07 珠海格力电器股份有限公司 一种排气轴承座、螺杆压缩机及空调机组
CN104295501A (zh) * 2014-09-19 2015-01-21 珠海格力电器股份有限公司 一种压缩机排气结构、螺杆压缩机及空调机组
CN104963870A (zh) * 2015-07-27 2015-10-07 珠海格力电器股份有限公司 排气轴承座、螺杆压缩机及空调机组
CN204877955U (zh) * 2015-07-27 2015-12-16 珠海格力电器股份有限公司 排气轴承座、螺杆压缩机及空调机组

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3462757B2 (ja) * 1998-06-24 2003-11-05 株式会社日立製作所 スクリュー圧縮機

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4173440A (en) * 1977-06-17 1979-11-06 Compagnie Industrielle Des Telecommunications Cit-Alcatel Method and device for lubricating compressors
JPS5654987A (en) * 1979-10-11 1981-05-15 Hitachi Ltd Screw compressor
CN104265634A (zh) * 2014-09-19 2015-01-07 珠海格力电器股份有限公司 一种排气轴承座、螺杆压缩机及空调机组
CN104295501A (zh) * 2014-09-19 2015-01-21 珠海格力电器股份有限公司 一种压缩机排气结构、螺杆压缩机及空调机组
CN104963870A (zh) * 2015-07-27 2015-10-07 珠海格力电器股份有限公司 排气轴承座、螺杆压缩机及空调机组
CN204877955U (zh) * 2015-07-27 2015-12-16 珠海格力电器股份有限公司 排气轴承座、螺杆压缩机及空调机组

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114704481A (zh) * 2022-05-23 2022-07-05 山东省章丘鼓风机股份有限公司 一种防高压区漏油的离心风机
CN114704481B (zh) * 2022-05-23 2024-01-12 山东省章丘鼓风机股份有限公司 一种防高压区漏油的离心风机

Also Published As

Publication number Publication date
CN104963870A (zh) 2015-10-07

Similar Documents

Publication Publication Date Title
US10543442B2 (en) Multiple stage rotating coalescer devices
US20180036746A1 (en) Filter and Cyclone Filter System
JP5667651B2 (ja) ミストセパレータ
JP5863609B2 (ja) スクリュー圧縮機及びこれを備えるチラーユニット
WO2017016378A1 (fr) Logement de palier d'échappement, compresseur à vis, et unité de climatisation
JP2009539014A (ja) 気液混合物を分離するための装置
CN104729166B (zh) 立式油分离器及空调系统
JP2009539012A (ja) 内燃機関のシリンダヘッド
WO2017016377A1 (fr) Cylindre de séparation d'huile, compresseur à vis, et unité de climatisation
US6454694B1 (en) Free jet centrifuge rotor with internal flow bypass
US20200325807A1 (en) Oil separator
US20160243479A1 (en) High performance pre-cleaner and method
JP6762420B2 (ja) スクリュー圧縮機
CN105484973A (zh) 一种旋风式油气分离器
JP6193306B2 (ja) スクリュー圧縮機及びこれを備えるチラーユニット
KR101460425B1 (ko) 유분 분리 수단 및 이것을 구비한 냉동 장치
CN106457101B (zh) 过滤气体/颗粒流
WO2015178310A1 (fr) Séparateur d'huile
KR200480135Y1 (ko) 회전 필터 시스템 및 이를 가지는 벌크 서지 탱크
CN204877955U (zh) 排气轴承座、螺杆压缩机及空调机组
US20220088523A1 (en) Split flow axial crankcase separator
KR102572787B1 (ko) 오일 분리기
CN204851649U (zh) 油分桶、螺杆压缩机及空调机组
CN109667756A (zh) 压缩机及换热设备
JP6471608B2 (ja) 吸気インレット構造

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 16829744

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 16829744

Country of ref document: EP

Kind code of ref document: A1