CN102257274A - 电机泵组 - Google Patents

电机泵组 Download PDF

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CN102257274A
CN102257274A CN2009801509590A CN200980150959A CN102257274A CN 102257274 A CN102257274 A CN 102257274A CN 2009801509590 A CN2009801509590 A CN 2009801509590A CN 200980150959 A CN200980150959 A CN 200980150959A CN 102257274 A CN102257274 A CN 102257274A
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pump
motor
electric
air
connecting rod
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CN102257274B (zh
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S·克雷布斯
M·吕费尔
J·巴彻尔
H·克雷
L·米利希奇
K·塞茨
H·柯尼格
M·克勒尔斯
J·冈萨雷斯
M·于尔根宁
M·涅彭博格
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Continental Automotive Technologies GmbH
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Continental Teves AG and Co OHG
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/02—Arrangements of pumps or compressors, or control devices therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/24—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being gaseous
    • B60T13/46—Vacuum systems
    • B60T13/52—Vacuum systems indirect, i.e. vacuum booster units
    • 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
    • F04B39/0027—Pulsation and noise damping means
    • F04B39/0055—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes
    • F04B39/0061—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes using muffler volumes
    • 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
    • F04B39/16—Filtration; Moisture separation
    • 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
    • F04B45/00—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
    • F04B45/04—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having plate-like flexible members, e.g. diaphragms
    • F04B45/043—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having plate-like flexible members, e.g. diaphragms two or more plate-like pumping flexible members in parallel
    • 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
    • F04B45/00—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
    • F04B45/04—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having plate-like flexible members, e.g. diaphragms
    • F04B45/047—Pumps having electric drive
    • 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
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
    • F04B9/04—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms
    • F04B9/045—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms the means being eccentrics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/81—Braking systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C3/00—Shafts; Axles; Cranks; Eccentrics
    • F16C3/04—Crankshafts, eccentric-shafts; Cranks, eccentrics
    • F16C3/18—Eccentric-shafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C3/00—Shafts; Axles; Cranks; Eccentrics
    • F16C3/04—Crankshafts, eccentric-shafts; Cranks, eccentrics
    • F16C3/20—Shape of crankshafts or eccentric-shafts having regard to balancing

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Reciprocating Pumps (AREA)
  • Compressor (AREA)

Abstract

本发明涉及一种电机泵组(1)，特别用于为具有气动制动助力器(特别是真空制动助力器)的机动车辆制动系统的制动执行装置提供压力，包括泵(2)和驱动该泵(2)的电机(3)，其中泵(2)被设计成具有两个相互对置的工作隔膜(4)的双隔膜泵；排气通道布置在工作腔盖(6)和泵壳(5)中，使得从工作腔(7)排出的空气被导引到泵壳(5)的包围曲柄驱动机构(8)的内腔22中；设置有能够通过使空气转向而使空气以低噪声从内腔(22)排出的排气单元(13)。为了提供一种低噪声、低成本、比已知的一般种类的机组相比安装费用较少的电机泵组，本发明提出使每个偏心体(9)具有在该偏心体(9)上一体地形成的配重(25)。

Description

电机泵组
技术领域
本发明涉及一种根据权利要求1的前序部分的电机泵组。
背景技术
为了为气动制动助力器——该制动助力器的内部被分成至少一个真空室和一个工作腔——提供真空，使用真空泵从真空室抽吸出残余空气并将其排放到大气中。为此在车辆工业中通常使用叶片泵或旋转叶片泵。所述泵由于其原理因而摩擦大，所以需要进行润滑以达到可接受的使用寿命。因此由机动车辆的内燃机驱动的具有叶片的真空泵连接到内燃机的机油回路上。然而，需要由内燃机输出的功率的相当一部分来驱动这种泵。而在待抽真空的腔室中已经完全形成真空时，也仍然需要这部分功率。因此以电能驱动真空泵并且只有当真空室中的绝对压力超过预定值时才接通所述泵是合适的。
此外，在以电驱动或混合动力驱动的车辆中，真空泵不能或有时不能由内燃机驱动，因此在这些车辆中使用电驱动的真空泵。
为这种电驱动的泵配备润滑剂回路或将该泵连接到该回路将产生非常高的成本。因此对于在具有含电驱动的真空泵的制动系统的机动车辆中的应用只能考虑干式真空泵。为此，在叶片泵中使用自润滑的材料石墨，由这种材料以高成本制成具有所需精度的叶片。因此，(人们)致力于使用隔膜泵以电力地提供制动真空。
例如从DE 10 2007 005 223 A1中已知一般类型的电机泵组。
发明内容
(人们)总是致力于降低制造成本和安装中的费用。为此，本发明的目的在于提供一种低噪声、低成本的电机泵组，与已知的一般种类的子配件相比，该电机泵组在安装中需要较少的费用。此外，部件的数量也减少了。
根据本发明，这一目的通过将具有配重的偏心体设计成烧结部件而实现。这明显简化了进气单元的安装并减少了部件的数量。
附图说明
从下面对示例性实施例的描述并借助于附图给出本发明的其它特征、优点和可能的应用，其中：
图1以立体图示出根据本发明的电机泵组；
图2以纵向剖视图示出根据图1的电机泵组；
图3示出根据图1和图2的电机泵组中的具有曲柄驱动机构的工作隔膜；
图4示出根据图3的曲柄驱动机构的具有一体形成的配重的偏心体；
图5示出根据图3的曲柄驱动机构的连杆。
具体实施方式
图1以分解图示出根据本发明的电机泵组1，该电机泵组1包括具有泵壳5的泵2和驱动该泵2的电动机3，其中电机3可以设计成例如直流电机。
特别是由根据图2的剖视图可知，泵2设计成具有两个相互对置的工作隔膜4的双隔膜泵，这两个工作隔膜4分别夹紧在泵壳5与工作腔盖6之间并由此界定出工作腔7。通过曲柄驱动机构8可使工作隔膜4沿相反的方向运动，该曲柄驱动机构8对于每个工作隔膜4都包括一偏心体9和一连杆10。工作腔盖6具有以气密的方式相互焊接、铆接或螺纹连接的顶盖11和底盖12。为了降低成本，顶盖11由塑料制成，底盖12设计成冲压部件或烧结部件。也可以通过铝压铸实现成本低的制造。
工作腔盖6中装配有进气阀和排气阀(未示出)。排出的空气通过工作腔盖6中的排气通道从排气阀被导引到泵壳5中的排气通道中，所述通道通过密封元件以气密的方式进行连接。在泵壳5中的两个排气通道通入泵壳5的包围曲柄驱动机构8的内腔22——也称为曲柄腔——中。
设置在泵壳5中的由过滤器外壳14、中间板15和排气盖16组成的排气单元13能够使空气以低噪声的方式从内腔22排出，因此该内腔22用作减声室。此外，排气单元13包括具有一体式或多体式的阀体的止回阀(未示出)，该阀体防止已经排出的空气回流以及防止液体或气体物质进入内腔22。
另外，通过在当空气流经排气单元13时使其多次转向以及在空气离开排气单元13之前使其流经两个过滤器元件17、18来减小从内腔22排出空气时的空气声。
泵壳5设计成由塑料制成，使得制造成本低。由图1和图2可知，电机3和泵壳5之间布置有电机板19，该电机板19联接在泵壳5的电机法兰侧20上，并屏蔽电机3输出的EMC辐射。
电机3和电机板19通过直接旋拧到泵壳5中的螺纹元件21而联接在泵壳5上。
另外，泵壳5上装备有如图1所示的接口23，例如通过该接口23将所连接的制动助力器抽成真空。
由图2也可知，电机轴24同时用作支承曲柄驱动机构8的偏心轴，该曲柄驱动机构8具有偏心体9和连杆10。然而将电机轴和偏心轴分离的实施例也是可能的。
图3以立体的分解图示出具有曲柄驱动机构8的工作隔膜4，该曲柄驱动机构8包括偏心体9和连杆10，在图4和图5中可以得到偏心体9和连杆10的放大图。
从图4可以清楚地看到，为了减小振动，偏心体9上一体地形成有配重25，该偏心体9和配重25作为烧结部件制成。偏心体的这种设计一方面使得制造成本低并且安装简单，因为配重25可以不需要通过螺纹连接、焊接等单独安装在偏心体9上，另一方面进一步减少了部件的数量。
为了进一步降低成本，连杆10的连杆孔26作为烧结部件制成，设有由塑料制成的连杆柄27。通过注塑包封形成在连杆孔26上的延伸部28而将连杆柄27联接到连杆孔26。
工作隔膜4可以通过摩擦焊接简单地联接到连杆柄27上。球轴承29压在连杆孔26内。
本发明的一个未示出的实施例设计成使得连杆10作为一体式的烧结部件制成。
附图标记列表：
1  电机泵组
2  泵
3  电机
4  工作隔膜
5  泵壳
6  工作腔盖
7  工作腔
8  曲柄驱动机构
9  偏心体
10 连杆
11 顶盖
12 底盖
13 排气单元
14 过滤器外壳
15 中间板
16 排气盖
17 过滤器元件
18 过滤器元件
19 电机板
20 电机法兰侧
21 螺纹元件
22 内腔
23 接口
24 电机轴
25 配重
26 连杆孔
27 连杆柄
28 延伸部
29 球轴承

Claims (6)

1.一种电机泵组(1)，该电机泵组特别用于为机动车辆制动系统的制动执行装置提供压力，所述机动车辆制动系统具有气动制动助力器、特别是真空制动助力器，所述电机泵组(1)包括泵(2)和驱动所述泵(2)的电机(3)，其中泵(2)被设计成具有两个相互对置的工作隔膜(4)的双隔膜泵，所述工作隔膜(4)分别夹紧在泵壳(5)与工作腔盖(6)之间并由此界定出工作腔(7)，所述工作隔膜(4)可以通过具有偏心体(9)和连杆(10)的曲柄驱动机构(8)而运动，所述工作腔(7)分别设置有具有进气阀的进气通道和具有排气阀的排气通道，所述排气通道设计成布置在工作腔盖(6)和泵壳(5)中，使得从工作腔(7)排出的空气被导引到泵壳(5)的包围曲柄驱动机构的内腔(22)中；设置有能够通过使空气转向而使空气以低噪声的方式从内腔(22)排出的排气单元(13)，其特征在于，每个偏心体(9)具有在所述偏心体(9)上一体地形成的配重(25)。
2.根据权利要求1所述的电机泵组，其特征在于，具有配重(25)的所述偏心体(9)设计成烧结部件。
3.根据权利要求1或2所述的电机泵组，其特征在于，所述连杆(10)设计成烧结部件。
4.根据权利要求1或2所述的电机泵组，其特征在于，所述连杆(10)的连杆孔(26)设计成烧结部件，设置有由塑料制成的连杆柄(27)。
5.根据权利要求4所述的电机泵组，其特征在于，通过注塑包封连杆孔(26)的延伸部(28)而将连杆柄(27)联接到连杆孔(26)。
6.根据前述权利要求中任一项所述的电机泵组，其特征在于，所述工作隔膜(4)通过摩擦焊接而联接在连杆(10)上。
CN200980150959.0A 2008-12-19 2009-12-15 电机泵组 Active CN102257274B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE102008064151 2008-12-19
DE102008064151.0 2008-12-19
DE102009054502A DE102009054502A1 (de) 2008-12-19 2009-12-10 Motor-Pumpenaggregat
DE102009054502.6 2009-12-10
PCT/EP2009/067202 WO2010069963A1 (de) 2008-12-19 2009-12-15 Motor-pumpenaggregat

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EP (2) EP2379887B1 (zh)
JP (2) JP5726750B2 (zh)
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DE (2) DE102009054499A1 (zh)
WO (2) WO2010069965A1 (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
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CN104093980A (zh) * 2012-02-01 2014-10-08 大陆-特韦斯贸易合伙股份公司及两合公司 由电动机驱动的泵组件
CN108869240A (zh) * 2018-07-02 2018-11-23 上海汽车制动系统有限公司 具有滚花芯轴的电动真空泵及其压入方法
CN113944614A (zh) * 2018-09-30 2022-01-18 深圳市大疆软件科技有限公司 隔膜泵及农业无人机

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009054499A1 (de) * 2008-12-19 2010-07-01 Continental Teves Ag & Co. Ohg Motor-Pumpenaggregat
DE102009054941A1 (de) 2009-12-18 2011-06-22 Continental Teves AG & Co. OHG, 60488 Motor-Pumpenaggregat
DE102010042553A1 (de) 2010-10-18 2012-04-19 Continental Teves Ag & Co. Ohg Pumpenaggregat
DE102010042552A1 (de) 2010-10-18 2012-04-19 Continental Teves Ag & Co. Ohg Verfahren zur Beschichtung einer Membran einer Membranpumpe für ein Motor-Pumpenaggregat
DE102011006525A1 (de) 2011-03-31 2012-10-04 Continental Teves Ag & Co. Ohg Motor-Pumpenaggregat
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EP2379888B1 (de) 2018-09-12
US8714941B2 (en) 2014-05-06
EP2379888A1 (de) 2011-10-26
US8926293B2 (en) 2015-01-06
US20110277464A1 (en) 2011-11-17
DE102009054502A1 (de) 2010-06-24
US20110271670A1 (en) 2011-11-10
WO2010069963A1 (de) 2010-06-24
JP2012512986A (ja) 2012-06-07
CN102257274B (zh) 2015-05-13
EP2379887B1 (de) 2013-04-10
JP5714504B2 (ja) 2015-05-07
KR20110103430A (ko) 2011-09-20
CN102257273A (zh) 2011-11-23
WO2010069965A1 (de) 2010-06-24
KR20110101217A (ko) 2011-09-15
KR101628674B1 (ko) 2016-06-09
EP2379887A1 (de) 2011-10-26
JP5726750B2 (ja) 2015-06-03
DE102009054499A1 (de) 2010-07-01
JP2012512985A (ja) 2012-06-07
KR101628673B1 (ko) 2016-06-09

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