CN101305186B - 压缩机 - Google Patents

压缩机 Download PDF

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Publication number
CN101305186B
CN101305186B CN2006800417386A CN200680041738A CN101305186B CN 101305186 B CN101305186 B CN 101305186B CN 2006800417386 A CN2006800417386 A CN 2006800417386A CN 200680041738 A CN200680041738 A CN 200680041738A CN 101305186 B CN101305186 B CN 101305186B
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China
Prior art keywords
gas
bearing
pressure
compressor
storage chamber
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Expired - Fee Related
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CN2006800417386A
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CN101305186A (zh
Inventor
M·贝希托尔德
B·格罗莫尔
S·努恩宁格尔
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BSH Hausgeraete GmbH
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BSH Bosch und Siemens Hausgeraete GmbH
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component 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
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/122—Cylinder block
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
    • F04B35/045—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric using solenoids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component 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
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/125—Cylinder heads

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Compressor (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)

Abstract

已知的压缩机装配有气体轴承，其中，轴承喷嘴被连续地供给气流。根据本发明，气体轴承是自给自足的气体轴承，其中，供给压力与输送压力无关。为此，压缩机设置有具有轴承供给压力的气体储存室(25)。

Description

压缩机
技术领域
本发明涉及一种压缩机。
背景技术
压缩机的活塞通过气体轴承安装。为此，被压缩机压缩的气体的一部分从有用的气流中分出并经过喷嘴被传送进入气体轴承。这种配置的问题在于有用气体的损失，尤其是当气体损失取决于压缩机的热力学工作点时。即，在高的最终气体压力时比低的最终气体压力时气体损失更多。因此，气体损失和气体轴承的负荷能力取决于压缩机工作点。
因此，若干轴承喷嘴设置有适当的横截面，以确保在压缩机的低的最终压力的情况下轴承的负荷能力。压缩机的高的最终压力引起显著的气体损失，并由此造成低下的压缩机效率。
从现有技术中得知的气体轴承的结构在下面的图1中示出并进行详细描述。轴承喷嘴必须被连续地提供气流，以确保气体轴承运行。这点是通过直接从压缩机的高压室进给供给而实现的。
另一方面，本发明的目的在于提供一种改进的压缩机。
发明内容
该目的根据本发明提供的一种具有气体轴承和压缩室的压缩机来实现。所述气体轴承是自给自足的气体轴承，其中，供给压力与输送压力无关，所述压缩机设置有具有轴承供给压力的气体储存室，其特征在于，具有各向异性流阻器的通道存在于压缩室和气体储存室之间。
优选地，轴承的供给在比压缩最终压力低的压力下进行。
优选地，轴承的供给经由减压器从高压被进给。
优选地，减压器从压缩室中的单独分支(tap)被进给。
优选地，气体储存室连续地处于压力下。
本发明的主题是具有自给自足的(self-sufficient)气体轴承的压缩机，其中，供给压力与输送压力无关。因此该气体轴承在其设计和功能方面被优化。
附图说明
更多细节和优点可从下面参照图形的示范性实施例的附图的说明连同权利要求而得到，其中：
图1示出了根据现有技术的直线压缩机的配置。
图2示出了根据图1的具有被优化的气体轴承的压缩机。
图3示出了气体储存室和压缩室的第一连接。
图4示出了气体储存室和压缩室的第二连接。
具体实施方式
图1示出了直线压缩机，其中直线导向的压缩机活塞2作用在气体空间1。连接的中空圆柱形元件10在活塞2与中空圆筒10的内壁之间形成气体轴承。
示例地显示了具有纵向通道12的四个气体入口喷嘴11至11”’，气流通过它们到达气体轴承。对此可利用适当的线路。
低压室15和高压室20被指定给气体室1。低压室15具有气体入口16和入口阀17。高压室20具有气体出口21和出口阀22。
图2示出了气体轴承的改进实施例。轴承喷嘴11从单独的气体储存室25被供给，处于适当压力的足够量的气体位于该气体储存室25中。气流经过气体轴承，因此喷嘴的数量、喷嘴直径和气体压力可以在此选择成，使得轴承提供可靠的支撑。
为了独立于主气路的工作点来调节气体轴承储存室25中的压力，带有通道30的第二气体出口33安装在压缩室1上。气体储存室25中的压力由压缩室中的气体出口33的位置A以及连接线路中的压力降决定，并低于压缩最终压力。通道30被理想地设计成，使得压力降最小。
或者，气体轴承可以从高压直接被供给，同时气流通过减压器被限制到所需的最小轴承压力。
减压元件和第二气体出口的组合使得气体轴承的最小损失，这是由于气体质量流量和用于轴承供给所必须的压缩功变得最小。
压缩室1和气体轴承储存室25之间的连接通过根据图3的可被阀31密封的通道30建立，或是通过根据图4的没有阀但却具有各向异性流阻器41的通道40建立。上述两种情况都能确保气体从压缩室1到达气体储存室25。然而相反地，却没有气体或只有最小量的气体能离开储存室25并经过阀31或经过各向异性流阻器41返流回压缩室1中。
气体储存室25的容积被选择成，通过重复操作，尤其当气体轴承在压缩周期和/或进气周期的一部分过程中从储存室25被可靠地供给时，其中储存室不从高压室20被供给。
气体储存室25可以设置有出口阀26，尤其是用于压缩机的启动。储存室25中的压力由此可以被连续地保持或至少保持得较久，从而压缩机保持关闭而气体轴承并不损失负荷能力的时间长度可以延长。在活塞2启动之前，气体储存室的出口阀26重新打开，以首先重新建立气体轴承的负荷能力，然后才移动活塞2。
启动的一个替换方案是，当气体储存室25是空的时候，首先以减小的行程移动活塞2，以对气体储存室25加压。一旦达到气体轴承的负荷能力，可以将行程增加至正常行程，并开始正常的压缩机运行。
另一个替换方案是压缩室的出口阀，其仅根据某一个压力打开，而不管出口阀后面的压力。这允许气体储存室25在压缩机启动时被填充，然后仅仅有用的气流被使用。

Claims (5)

1.一种具有气体轴承和压缩室(1)的压缩机，所述气体轴承是自给自足的气体轴承，其中，所述气体轴承的供给压力与所述压缩机的输送压力无关，所述压缩机设置有具有气体轴承供给压力的气体储存室(25)，其特征在于，具有各向异性流阻器(41)的通道(40)存在于压缩室(1)和气体储存室(25)之间。
2.根据权利要求1所述的压缩机，其特征在于，轴承的供给在比压缩最终压力低的压力下进行。
3.根据权利要求1所述的压缩机，其特征在于，轴承的供给经由减压器从高压被进给。
4.根据权利要求3所述的压缩机，其特征在于，减压器从压缩室中的单独分支被进给。
5.根据权利要求1所述的压缩机，其特征在于，气体储存室(25)连续地处于压力下。
CN2006800417386A 2005-11-09 2006-10-26 压缩机 Expired - Fee Related CN101305186B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102005053836A DE102005053836A1 (de) 2005-11-09 2005-11-09 Kompressor
DE102005053836.3 2005-11-09
PCT/EP2006/067795 WO2007054437A1 (de) 2005-11-09 2006-10-26 Kompressor

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CN101305186A CN101305186A (zh) 2008-11-12
CN101305186B true CN101305186B (zh) 2010-08-18

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US (1) US20090301293A1 (zh)
EP (1) EP1948928B1 (zh)
CN (1) CN101305186B (zh)
AT (1) ATE503111T1 (zh)
DE (2) DE102005053836A1 (zh)
ES (1) ES2360729T3 (zh)
RU (1) RU2411394C2 (zh)
WO (1) WO2007054437A1 (zh)

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KR101397083B1 (ko) 2011-09-06 2014-06-30 엘지전자 주식회사 왕복동 모터 및 이를 구비한 왕복동식 압축기
BR102013003056A2 (pt) * 2013-02-07 2014-09-16 Whirlpool Sa Restritor de fluxo e compressor de gás
EP2971765B1 (en) * 2013-03-13 2017-09-06 Howden Thomassen Compressors B.V. Horizontal piston compressor
KR102278769B1 (ko) * 2014-06-24 2021-07-20 엘지전자 주식회사 리니어 압축기
US9932975B2 (en) * 2015-01-16 2018-04-03 Haier Us Appliance Solutions, Inc. Compressor
CN106401908A (zh) * 2015-07-17 2017-02-15 姚宏志 高效率冷媒压缩机
CN107101409B (zh) * 2017-05-17 2018-01-23 宁利平 双作用α型斯特林制冷机
KR102495256B1 (ko) * 2018-05-16 2023-02-02 엘지전자 주식회사 리니어 압축기
CN111365909B (zh) * 2018-12-25 2024-04-05 珠海格力电器股份有限公司 冷媒循环系统、空调设备和冷媒循环系统的控制方法
KR102430411B1 (ko) * 2020-12-07 2022-08-09 엘지전자 주식회사 리니어 압축기

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Publication number Priority date Publication date Assignee Title
GB923732A (en) * 1960-05-27 1963-04-18 Atomic Energy Authority Uk Improvements in or relating to free piston compressors with gas bearings
CN1154157A (zh) * 1995-05-23 1997-07-09 大金工业株式会社 压缩机的防逆转装置

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US2907304A (en) * 1957-04-04 1959-10-06 Macks Elmer Fred Fluid actuated mechanism
DE1945924A1 (de) * 1969-09-11 1971-03-18 Lenger Karl Werner Freikolbenmaschine
JPS5970830A (ja) * 1982-10-15 1984-04-21 Hitachi Ltd タ−ボ過給機
JP3089270B2 (ja) * 1990-02-26 2000-09-18 日本精工株式会社 静圧気体軸受
DE10257951A1 (de) * 2002-12-12 2004-07-01 Leybold Vakuum Gmbh Kolbenkompressor
JP4427248B2 (ja) * 2002-12-17 2010-03-03 株式会社東芝 気体軸受装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB923732A (en) * 1960-05-27 1963-04-18 Atomic Energy Authority Uk Improvements in or relating to free piston compressors with gas bearings
CN1154157A (zh) * 1995-05-23 1997-07-09 大金工业株式会社 压缩机的防逆转装置

Also Published As

Publication number Publication date
EP1948928B1 (de) 2011-03-23
RU2008119085A (ru) 2009-12-20
RU2411394C2 (ru) 2011-02-10
CN101305186A (zh) 2008-11-12
DE502006009174D1 (de) 2011-05-05
DE102005053836A1 (de) 2007-05-10
US20090301293A1 (en) 2009-12-10
ES2360729T3 (es) 2011-06-08
WO2007054437A1 (de) 2007-05-18
ATE503111T1 (de) 2011-04-15
EP1948928A1 (de) 2008-07-30

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