CN208651210U - 压缩机 - Google Patents

压缩机 Download PDF

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Publication number
CN208651210U
CN208651210U CN201820884357.4U CN201820884357U CN208651210U CN 208651210 U CN208651210 U CN 208651210U CN 201820884357 U CN201820884357 U CN 201820884357U CN 208651210 U CN208651210 U CN 208651210U
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compressor
central part
air
air intake
supporter portion
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K.达内斯卡
M.A.约翰逊
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Dyson Technology Ltd
Dyson Ltd
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Dyson Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F04D25/082—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provision for cooling the motor
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/22—Mountings for motor fan assemblies
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2889—Safety or protection devices or systems, e.g. for prevention of motor over-heating or for protection of the user
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/026—Units comprising pumps and their driving means with a magnetic coupling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/5806—Cooling the drive system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
    • F04D29/584—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps cooling or heating the machine
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/20—Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30—Structural association with control circuits or drive circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00—Axial-flow pumps
    • F04D19/002—Axial flow fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • F04D25/0613—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator
    • F04D25/0646—Details of the stator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/266—Rotors specially for elastic fluids mounting compressor rotors on shafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00—Components
    • F05D2240/10—Stators
    • F05D2240/14—Casings or housings protecting or supporting assemblies within
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00—Geometry
    • F05D2250/20—Three-dimensional
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00—Geometry
    • F05D2250/50—Inlet or outlet
    • F05D2250/51—Inlet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/20—Heat transfer, e.g. cooling
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/14—Stator cores with salient poles
    • H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
    • H02K1/148—Sectional cores
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/2726—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of a single magnet or two or more axially juxtaposed single magnets
    • H02K1/2733—Annular magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30—Structural association with control circuits or drive circuits
    • H02K11/33—Drive circuits, e.g. power electronics
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2211/00—Specific aspects not provided for in the other groups of this subclass relating to measuring or protective devices or electric components
    • H02K2211/03—Machines characterised by circuit boards, e.g. pcb

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Motor Or Generator Cooling System (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

一种压缩机，包括：定子组件，包括多个定子元件；转子组件包括轴，其中至少一个轴承、永磁体和叶轮被安装到轴；支撑体部；以及外部箱，包括空气入口。支撑体部包括中空的细长中心部分，至少一个轴承被安装到所述中心部分，且磁体被定位在所述中心部分内，细长的中心部分包括多个开口，且外部箱的空气入口至少部分地与细长的中心部分内的多个开口轴向地对齐。

Description

压缩机
技术领域
本实用新型涉及一种压缩机。
背景技术
对于电机的最大的一个挑战是在使用期间保持电机的部件的冷却。在压缩机的情况下，由压缩机产生的空气流可被用于冷却电机的一些部件。然而，在一般情况下，穿过压缩机的空气流被限制，且不能够有效地流动经过所有部件。因此，压缩机的效率和性能可被小量部件可获得的受限冷却限制。
大体期望以数个方式改进压缩机，比如在吸尘器内的电机。特别地，改进可在尺寸，重量，制造成本，性能，效率，可靠性和噪音等方面被期望。
实用新型内容
本实用新型提供了一种压缩机，包括：定子组件，包括多个定子元件；转子组件包括轴，其中至少一个轴承、永磁体和叶轮被安装到轴；支撑体部；以及外部箱，包括空气入口。支撑体部包括中空的细长中心部分，至少一个轴承被安装到所述中心部分，且磁体被定位在所述中心部分内，细长的中心部分包括多个开口，且外部箱的空气入口至少部分地与细长的中心部分内的多个开口轴向地对齐。
结果，在使用中由压缩机产生的空气流能够通过外部箱的空气入口流入压缩机，且在使用期间通过支撑体部的细长的中心部分的开口以冷却磁体。因此，压缩机的多个部件可被有效地冷却，且压缩机的性能和效率可被提高。
空气入口可包括至少一个较大开口，以使空气沿具有轴向和径向分量两者的方向进入压缩机。由此，冷却空气流能够更好地以提供冷却到压缩机的所有内部部件(支撑体部的细长中心部分内侧和外侧两者)的方式进入压缩机。
外部箱可从支撑体部径向间隔开以形成环形空气流通道。结果，除了流动穿过支撑体部的细长的中心部分的空气流之外，冷却空气流可穿过环形通道以冷却被定位在环形空气流通道内的部件。
定子元件可部分地延伸穿过多个开口，且被固定到支撑体部以使它们延伸入环形空气流通道。结果，定子元件可通过支撑体部的细长的中心部分内，以及支撑体部和外部箱之间的环形空气流通道内的两股空气流被冷却。这提供了对于围绕定子元件缠绕的绕组的全方位冷却。结果，绕组可被保持冷却，且压缩机的性能和效率被改善。
印刷电路板可被安装到靠近空气入口的外部箱的端部。较大电子部件可被安装到印刷电路板，其从PCB延伸到用于空气穿过空气入口进入压缩机的空气通道。结果，PCB上的电子部件(特别较大部件)通过在使用期间进入压缩机的空气流冷却。这可进一步地改进压缩机的性能和效率。
在使用中，空气可在支撑体部内侧和支撑体部外侧两者轴向地流动穿过压缩机。
附图说明
为了本实用新型可被更容易地理解,本实用新型的实施例现在将要参考下面的附图通过实例而被描述，其中：
图1示出了压缩机的部件的分解透视图；
图2示出了穿过压缩机的横截面；以及
图3显示了包括图1中所示的部件的装配的压缩机。
具体实施方式
图1示出了压缩机10的分解透视图。为了清晰起见，某些部件(比如控制电子器件和外部壳体)没有被示出。压缩机10包括转子组件12，支撑体部14和定子组件，该定子组件包括四个定子元件16，18，20和22。当压缩机10被装配时，转子组件12定位在支撑体部14内且被安装到支撑体部14，且定子元件位于支撑体部14内的相应的开口或槽内。例如，定子元件20位于支撑体部内的开口24内。支撑体部14可为一件式结构，例如被铸造为单个物体，且包括叶轮罩26，其覆盖叶轮。压缩机10还包括扩散器28。
转子组件12包括轴30，磁体32，第一平衡环34和第二平衡环36被安装到轴30上。当转子组件12被装配时，一对轴承被安装在轴30上，芯部32和平衡环34，36的两侧上。在图1中，仅一对轴承中的一个被示出：轴承38。叶轮42被安装在轴30的一个端部处。
当定子元件16，18，20和22位于支撑体部14的相应开口内时，开口的至少一部分仍然打开且不由定子元件限制。这允许空气流经过定子元件，穿过开口，且进入支撑体部。当压缩机在使用中时，空气流可被用于冷却位于支撑体部14内的定子组件12，特别是磁体32。
图2示出了穿过压缩机100的横截面。压缩机100包括定子组件，其具有数个定子元件102，104。转子组件也被提供，其包括轴106，其中磁体108，第一和第二轴承110，112(在磁体108的两端处被安装到轴106)和叶轮114被安装到轴106。包括中空的细长中心部分的支撑体部116被提供。数个开口118被提供在中空的细长体部内，定子元件102，104部分地延伸穿过该开口。转子组件被容纳在支撑体部116内，且轴承110，112在开口118的每个端部处被安装到轴承座120，122，轴承座形成为支撑体部116的一部分。磁体108(在轴承之间)由此位于支撑体部116的细长的中心部分内，且与定子元件102和104对齐。
外部箱130可被定位为围绕压缩机100的外侧。它通过经由毂132安装到轴承座120的外侧表面而由支撑体部116支撑。空气入口134被提供在外部箱130中，以允许在使用期间空气被压缩机100吸入。被安装到另一个轴承座122的外表面的是罩136，该罩围绕叶轮114。外部壳体130也被安装到罩136。空气通道138被提供为围绕或穿过罩136以允许空气被叶轮114吸入穿过压缩机100。毂132还充当绕组端子块，定子元件102，104的绕组可被连接到该端子块以便接收电流。
如图2中所示，外部箱130的空气入口134与支撑体部116内的开口118轴向对齐。这促进空气在使用期间流动进入压缩机100以流入支撑体部116，以帮助冷却定位在其中的磁体108。实际上，入口134是相对较大的，其促进沿具有径向和轴向分量两者的方向流入压缩机的空气。这允许冷却空气流如由箭头A和B所示穿过压缩机100。冷却空气流A穿过在支撑体部116和外部箱130之间的环形通道。冷却空气流B进入支撑体部，且在磁体108和支撑体部116之间经过。由于定子元件102，104部分地延伸穿过开口118，定子元件上的绕组通过支撑体部116的内侧和外侧两者上的两股空气流冷却。
在经过定子元件102、104之后，空气流B返回离开支撑体部116并且重新结合空气流A。组合的空气流然后被叶轮114抽吸经过罩136，且作为空气流C离开压缩机100。
图3显示了包括图1中所示的部件的装配的压缩机200。压缩机200包括外部箱202，其具有一些较大空气入口204，在使用期间压缩机200吸取空气穿过该空气入口204。印刷电路板(PCB)210被安装到靠近空气入口204的外部箱202的端部。PCB 210到被吸入压缩机200的冷却空气流的这个靠近帮助保持PCB 210和被安装到PCB 210的电子部件冷却。
如从图3中可看出，一些较大电子部件(例如那些标示为212和214的)足够大，以致实际从PCB延伸入供空气穿过入口204进入压缩机200的空气路径，由此提供了更好的冷却到它们。这些较大部件可为改进的冷却可特别有利于的部件，例如较大的电容器或用于电子开关的散热片。
尽管特殊实施例已被描述，应理解各种修改可在不脱离由权利要求限定的本实用新型的范围的情况下被做出。

Claims (7)

1.一种压缩机，其特征在于，所述压缩机包括：
定子组件，包括多个定子元件；
转子组件，包括轴，其中至少一个轴承，永磁体和叶轮被安装到轴；
支撑体部；以及
外部箱，包括空气入口；
其中支撑体部包括中空的细长的中心部分，至少一个轴承被安装到所述中心部分，且磁体被定位在所述中心部分内，细长的中心部分包括多个开口，且外部箱的空气入口至少部分地与细长的中心部分中的多个开口轴向地对齐。
2.根据权利要求1所述的压缩机，其特征在于，空气入口包括至少一个大开口，以使空气沿具有轴向和径向分量两者的方向进入压缩机。
3.根据权利要求1或2所述的压缩机，其特征在于，外部箱从支撑体部径向地间隔开以形成环形空气流通道。
4.根据权利要求3所述的压缩机，其特征在于，定子元件部分地延伸穿过多个开口，且被固定到支撑体部以使它们延伸入环形空气流通道。
5.根据权利要求1或2所述的压缩机，其特征在于，印刷电路板被安装到靠近空气入口的外部箱的端部。
6.根据权利要求5所述的压缩机，其特征在于，被安装到印刷电路板(PCB)的大电子部件从PCB延伸入供空气穿过空气入口进入压缩机的空气通道。
7.根据权利要求1或2所述的压缩机，其特征在于，在使用中，空气在支撑体部内侧和支撑体部外侧轴向地流动穿过压缩机。
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US20180363664A1 (en) 2018-12-20
US11549513B2 (en) 2023-01-10

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