WO2011069775A1 - Compresseur muni d'une chambre de pompage - Google Patents

Compresseur muni d'une chambre de pompage Download PDF

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Publication number
WO2011069775A1
WO2011069775A1 PCT/EP2010/067345 EP2010067345W WO2011069775A1 WO 2011069775 A1 WO2011069775 A1 WO 2011069775A1 EP 2010067345 W EP2010067345 W EP 2010067345W WO 2011069775 A1 WO2011069775 A1 WO 2011069775A1
Authority
WO
WIPO (PCT)
Prior art keywords
cylinder piston
cylinder
piston
piston rod
spring
Prior art date
Application number
PCT/EP2010/067345
Other languages
German (de)
English (en)
Inventor
Matthias Hopf
Thorsten Kusnik
Rainer Weser
Ulrich Wolf
Original Assignee
BSH Bosch und Siemens Hausgeräte GmbH
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 BSH Bosch und Siemens Hausgeräte GmbH filed Critical BSH Bosch und Siemens Hausgeräte GmbH
Publication of WO2011069775A1 publication Critical patent/WO2011069775A1/fr

Links

Classifications

    • 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
    • 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
    • F04B3/00—Machines or pumps with pistons coacting within one cylinder, e.g. multi-stage
    • 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
    • F04B39/06—Cooling; Heating; Prevention of freezing
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/08—Cooling; Heating; Preventing freezing

Definitions

  • the present invention relates to a compressor, in particular linear compressor, for the compression of fluids, for example for the compression of refrigerants in
  • compressors For compressing fluids such as gases, compressors are usually used, as described in WO 2008/047515 A1.
  • Such compressors usually comprise a pumping chamber with a cylinder chamber, in which a cylinder piston for generating Zylinderüber- and -unter horr is movably arranged.
  • the cylinder piston is mechanically coupled to a piston rod, which is driven linearly by a solenoid with two windings.
  • Cylinder piston is driven linearly by an electromagnet.
  • the invention is based on the finding that a more efficient compressor under
  • Piston rod are coupled.
  • the coupled drive can, however, by a Drive source, for example by a drive motor with an electromagnet, which drives the cylinder piston, for example, alternately, can be realized.
  • the coupled drive of the cylinder pistons allows the generation of opposing or opposite pressure ratios in which, for example, at the same time positive pressure in the first cylinder and negative pressure in the second cylinder and vice versa can be generated.
  • the pumping chambers can be operated in boxer mode, which allows an efficient realization of a double compressor.
  • the invention relates to a compressor for compressing a fluid, for example a refrigerant, with a first pumping chamber having a first
  • Cylinder piston and with a second pumping chamber with a second cylinder piston are driven in a coupled manner.
  • the coupled drive ensures that the first and second cylinder pistons are not movable independently of each other, but rather in dependence on each other.
  • the coupling of the first and the second cylinder piston can be carried out directly mechanically, for example, by a common piston rod.
  • this coupling can be realized by a drive coupling, in which the cylinder pistons, for example, alternately in the direction of the respective
  • the first cylinder piston and the second cylinder piston are identical to one embodiment.
  • Cylinder piston driven along the same longitudinal axis, in particular coupled in the same direction.
  • the longitudinal axis may, for example, coincide with the cylinder axis common longitudinal axis, ie the longitudinal central axis.
  • the coupled drive for example, in a lateral movement of the first
  • Cylinder piston the second cylinder piston also moved laterally in the same direction.
  • opposing pressure ratios that is, for example, fluid pressures of different sign or opposite course, that is decreasing and increasing, can be generated in, for example, oppositely arranged cylinder chambers.
  • the first cylinder piston and the second cylinder piston comprise in opposite directions the same longitudinal axis facing Faces.
  • the end face of the respective cylinder piston is that end face with which the fluid is acted upon.
  • the cylinder pistons are preferably arranged opposite to one another along the same longitudinal axis, so that, for example, during a rearward suction movement of the first cylinder piston, the second cylinder piston performs a compression movement or vice versa.
  • the first cylinder piston in a first cylinder and the second cylinder piston in a second cylinder are arranged and provided to simultaneously generate opposite or opposite pressure ratios in the first cylinder and in the second cylinder.
  • the opposite pressure conditions are, for example, overpressure and negative pressure, so that upon generation of a negative pressure in the first cylinder in the second cylinder, an overpressure is generated and vice versa.
  • an electromagnet is provided, which is designed to set a magnetic center piece, which may be a vibrating body, in motion, in particular in a vibration.
  • the magnetic center piece for example, has an elongated extension along a longitudinal axis, which may coincide with the aforementioned longitudinal axis. At a vibration of the
  • the electromagnet may for example form an electric drive, wherein the magnetic center piece may be formed as a rocking armature.
  • the first cylinder piston by a first
  • Piston rod and the second cylinder piston driven by a second piston rod may, for example, be driven with opposite ends of a magnetic center piece which may correspond to the aforesaid center piece, wherein an electromagnet may be provided for setting the magnetic center piece in motion, in particular in oscillation.
  • the piston rods can be separable elements.
  • the first piston rod is coupled to a first spring, for example a leaf spring.
  • the second piston rod is coupled to a second spring, for example a leaf spring.
  • the first spring and the second spring for driving the first piston rod and the second piston rod with opposite ends of the magnetic center piece
  • Electromagnet in motion offset magnetic centerpiece steers it
  • the respective leaf spring whereby it acts on the respective piston rod, which then moves the respective cylinder piston.
  • the first spring and the second spring may each act on an energy storage spring, wherein the first piston rod and the second piston rod may each be connected to the respective energy storage spring.
  • the energy storage springs may be, for example, coil springs, which are compressible by means of the respective first or second spring, for example, to advance the respective piston rod.
  • the piston rods for example, with the
  • Energy storage springs be mechanically connected.
  • the first piston with a first
  • Energy storage spring for example, via a first piston rod and the second cylinder piston coupled to a second energy storage spring via a second piston rod.
  • the energy storage springs can be deflected, for example by means of the aforementioned centerpiece or
  • Vibration maintenance can be used.
  • the first cylinder piston and the second cylinder piston are identical to one embodiment.
  • Cylinder piston can be driven in Boxer mode.
  • the boxer operation is characterized in that the cylinder pistons are arranged in the cylinder chambers opposite one another and are driven such that a forward movement of the first cylinder piston causes a backward movement of the second cylinder piston and vice versa.
  • at least one electromagnet is arranged between the first pumping chamber and the second pumping chamber.
  • the pumping chambers may, for example, be arranged opposite one another, whereby it is advantageously achieved that the electromagnet or electric motor common to the pumping chambers can be used to drive the two cylinder pistons.
  • the first pumping chamber and the second pumping chamber are attached to a support frame, in particular to a one-piece support frame with support arms for fixing the first pumping chamber and the second pumping chamber, in particular mounted opposite one another.
  • the support frame may for example consist of merge support arms, which are provided with longitudinal ribs, whereby the bending strength is increased.
  • the support arms for example
  • Electromagnets are arranged.
  • the support frame may also have stand springs to allow a vibration damped storage thereof.
  • the support frame may for example consist of a cast aluminum and have functional openings which allow efficient attachment of the functional components of the compressor, such as the pumping chambers and the electromagnet.
  • the support frame comprises a central
  • a mounting portion for attaching at least one electromagnet a first mounting portion laterally disposed to the central mounting portion for mounting a first energy storage spring to which the first cylinder piston is coupled via a first piston rod, and a second mounting portion laterally disposed to the central mounting portion for mounting a second one Energy storage spring, with which the second cylinder piston is fixed, for example via a second piston rod.
  • the at least one electromagnet is provided to act on the first energy storage spring and the second energy storage spring, for example by means of a magnetic center piece in particular in alternation to drive coupled to the first cylinder piston and the second cylinder piston.
  • the invention relates to a refrigeration device with the compressor according to the invention, which is provided for compressing a refrigerant.
  • refrigeration device is in particular a household refrigeration appliance understood, ie a
  • Refrigeration appliance for housekeeping in households or possibly also in the household
  • Catering area is used, and in particular serves to store food and / or drinks in household quantities at certain temperatures, such as a refrigerator, a freezer, a fridge freezer, a freezer or a wine fridge.
  • FIG. 1 shows a compressor
  • Fig. 2 is a side view of the compressor shown in Fig. 1;
  • Fig. 3 shows a support frame
  • Fig. 1 shows a compressor whose all functional components are attached to a one-piece support frame 101.
  • the compressor comprises a first compressor chamber 103 with a first cylinder piston 105, which can be driven by means of a first piston rod 107.
  • the first piston rod 107 is connected to a first energy storage spring 109.
  • the first energy storage spring 109 ends with a
  • Fastener 1 1 1 provided on which the first piston rod 107 is attached.
  • the this end of the first energy storage spring 109 opposite end of the energy storage spring 109 is, for example, to a support portion 1 13 of the
  • the compressor shown in Fig. 1 further comprises a second pumping chamber 1 15, which is constructed analogously to the first pumping chamber 103. So includes the second
  • a second energy storage spring 121 is provided, which is provided at the end with a fastening piece 123 to which the piston rod 1 19 is attached. The opposite end of this end of the energy storage spring 121 is attached to a mounting portion 125 of the support frame 101.
  • the compressor shown in Fig. 1 further comprises a centrally located
  • Electromagnet 127 which can form an electric motor, with windings 129 and 131.
  • the electromagnet 127 may be provided to laterally vibrate a center magnetic piece 133 disposed centrally therein.
  • the magnetic center piece 133 is connected at its first end 135 to a first leaf spring 137 and to the first energy storage spring 109.
  • the magnetic center piece 133 is further connected at its second end 139 to a further leaf spring 141 and to the second energy storage spring 121.
  • the leaf springs 137 and 141 are on
  • a positioning sensor 145 using the
  • the solenoid 127 may be, for example, a member of an electric motor with a pivot armature realized by the magnetic center 133. To each of the piston rod 107, 1 19 is coupled, so that at one through the
  • Electromagnets 127 brought about pivotal movement of the magnetic center piece 133, the cylinder piston 105 and 1 17 indicated in Fig. 1 coupled coupled along a longitudinal axis 153 driven.
  • the cylinder pistons 107 and 17 are always moved together in the same direction, whereby different pressures are generated in the cylinders.
  • the longitudinal center axis, 153 for example, the first cylinder piston 107 advances, whereby in the cylinder of the first pumping chamber 103, an overpressure arises, while the second cylinder piston 1 17 from the cylinder of the second pumping chamber 1 15 disengages, whereby a negative pressure is generated therein.
  • the pumping chambers 103 and 15 can with
  • the support frame 101 shown in FIG. 1 comprises support arms 157, 159, 161, 163, 165, 167, 169 and 171, which are each connected to one another, for example, or
  • the support arms 157 to 171 are for fastening the
  • the support frame 101 comprises a central region 170 formed by support arms 157, 159, 161 and by the attachment portion 143, which is provided for fastening the electromagnet 127.
  • the support arms 157-171 of the support frame 101 may be provided, for example, with stiffening ribs 173, which extend as longitudinal ribs in a longitudinal direction of the respective support arm 157-171 to increase their flexural strength.
  • Attachment area 175 which is provided together with the attachment portion 1 13 for fixing the first pumping chamber 103 and the energy storage spring 109.
  • a second attachment region 177 is provided, which serves for fastening the second pumping chamber 15 and the second energy storage spring 121.
  • the support frame 101 is designed for example as a support member and serves as a mounting frame or a workpiece support for the functional components of the compressor, for example for the electromagnet 127, which can form a motor, or for the motor, or for a vibration system with guide elements, spacers, Spring supports, or for a position sensor, or for a compression unit, which may be formed for example by the respective pumping chamber 103, 1 15, or for the energy storage springs 109, 121, or for systems for vibration engineering
  • the support frame 101 Due to the design of the structure of the support frame 101, it is possible to build a one-sided or double-acting compressor, so a boxer compressor, on the same support frame 101.
  • the support frame 101 can be universally used for various performance sizes. Furthermore, the for
  • the Carrying rack 101 also allows the combination of important functional surfaces, whereby they are produced with low tolerances to each other.
  • the support frame 101 can be used, for example, across the entire range of compressors, which entails a reduction of set-up effort in the production. For compressor production, the number of tools required can be reduced, resulting in further cost advantages. Overall, the one-piece support frame 101 is characterized by a low material usage at high required bending strength, which can be further increased by the stiffening ribs 173.
  • the support frame 101 may be made of cast aluminum, for example. This allows a simplification of the assembly processes, resulting in an overall lower cost manufacturing process. All functional components of the compressor are also positioned in the required accuracy to each other, which increases the reliability of the compressor. In the support frame 101 functional cavities or function openings, such as the suction port 155 can be integrated in the assembly with other functional components.
  • the operating weight is low, while less screws are required for a large number of attachments.
  • the components of the respective pumping chamber 103, 105 for example a valve, a valve cover, a valve plate, seals with the same screws, with which the piston housing is screwed to the support frame 101, are screwed. Due to the usable on both sides for a mounting brackets less fasteners are also necessary because the same support arm for
  • Attachment of several components can serve.
  • Fig. 2 shows a side view of the compressor shown in Fig. 1, wherein only the first pumping chamber 103 is shown, because the support frame 101 both for supporting functional components of a double compressor with two pumping chambers as well as for carrying functional components of a simple compressor with a single
  • the stiffening ribs 173 may be formed by voids 201 formed in the support arms 157-171. Since the support frame 101 is integral, the course of the reinforcing ribs to increase the flexural rigidity of the support arms 157-171 of the support frame 101 can be arbitrarily shaped and optimized.
  • the first pumping chamber 103 forms a compressor unit, which in addition to the
  • Cylinder piston and a cylinder chamber in particular a cylinder liner, a
  • Piston housing, a valve plate and a valve cover 203 may include.
  • Valve plate may also be provided with valves arranged on both sides, which act respectively in the suction and in the pressure phase. Furthermore, more
  • Functional elements 205 may be provided.
  • Fig. 3 shows the support frame shown in Fig. 1, in which the mounting portions 1 13 are each provided with a centering collar 301 for receiving the respective energy storage spring.
  • the centering collar 301 is used to attach the respective end of the respective energy storage spring, as shown for example in Fig. 1.
  • Carrying rack 101 further includes target stops 303, which allow accurate positioning of the support frame 101, for example in a machine room of a refrigeration device. Furthermore, receptacles 305 for receiving the suspension springs 151 shown in FIG. 1 are provided. However, the images 305 can also for a
  • the support frame 101 further includes, for example, two positioning points 307 for assembly, which may be formed together with support points for mechanical processing.
  • Fig. 3 is further another
  • Support point 309 shown for mechanical processing The support arms 157-171 may for example be provided with mounting portions 31 1, where the functional components of the compressor can be fastened, for example by means of screwing.
  • the sections of the support frame 101 can be provided with further cavities or volumes for receiving further functional elements.
  • Pumping chamber 103 may be provided with a volume 31 1, in which, for example, a suction muffler, in particular a Helmholtz resonator may be arranged.
  • the attachment portion 1 13 includes, for example, attachment openings 313 for attachment and centering of the piston housing.
  • the attachment portion 1 13 is further provided with attachment surfaces 315, which in particular in a
  • the mounting portion 1 13 may further be provided with a receptacle 317 for a Gasstromumlenkteil.
  • Fixing sections 1 13 and 1 15 may be identical.
  • the stiffening ribs 173 shown in FIG. 3 may, for example, be U-shaped on the longitudinal and transverse struts formed by the support arms of the support frame 101.
  • the central spaces can, for example, also for
  • the attachment portion 31 1 can be used for example for mounting optoelectronics.
  • the further attachment portion 143 may be laterally provided with holes 319, which may serve to receive dowel pins or fittings.
  • An abutment surface 321 of the further attachment portion 143 may, for example, be provided with a rolling radius for a leaf spring.
  • the further attachment portion 143 may, for example, have a central opening 323 and thereby be frame-shaped.
  • the support arms of the support frame 101 may be formed in a plane. However, it is possible that, for example, the mounting portions 1 13 and 1 15 supporting support arms with respect to, for example, one through the central
  • Attachment area 170 formed level down. The furthermore
  • Mounting portion 143 may be further provided with further support members 325, whereby the stability of the arrangement can be increased.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)

Abstract

L'invention concerne un compresseur, en particulier un compresseur linéaire, destiné à comprimer un fluide. Le compresseur présente une première chambre de pompage (103) munie d'un premier piston de cylindre (105) et une seconde chambre de pompage (115) munie d'un second piston de cylindre (117), le premier piston de cylindre (105) et le second piston de cylindre (117) couplés l'un à l'autre pouvant être entraînés.
PCT/EP2010/067345 2009-12-09 2010-11-12 Compresseur muni d'une chambre de pompage WO2011069775A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009047744A DE102009047744A1 (de) 2009-12-09 2009-12-09 Verdichter mit einer Pumpkammer
DE102009047744.6 2009-12-09

Publications (1)

Publication Number Publication Date
WO2011069775A1 true WO2011069775A1 (fr) 2011-06-16

Family

ID=43618689

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/067345 WO2011069775A1 (fr) 2009-12-09 2010-11-12 Compresseur muni d'une chambre de pompage

Country Status (2)

Country Link
DE (1) DE102009047744A1 (fr)
WO (1) WO2011069775A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191313129A (en) * 1913-06-06 1913-12-11 Walter Shaw Lang A High Speed Air Compressor.
WO2006069875A2 (fr) * 2004-12-23 2006-07-06 BSH Bosch und Siemens Hausgeräte GmbH Ventilateur lineaire
DE102006007743A1 (de) * 2006-02-20 2007-08-23 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Hubkolbenverdichter mit berührungsloser Spaltdichtung
WO2008047515A1 (fr) 2006-09-27 2008-04-24 Panasonic Corporation Compresseur
WO2009013105A1 (fr) * 2007-07-24 2009-01-29 BSH Bosch und Siemens Hausgeräte GmbH Compresseur linéaire
DE102007060832A1 (de) * 2007-12-18 2009-06-25 BSH Bosch und Siemens Hausgeräte GmbH Verdichteraggregat

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU693275B2 (en) * 1994-11-14 1998-06-25 Anton Steiger Device for guiding and centring a machine component
DE19948443A1 (de) * 1999-10-08 2001-04-12 Hammelmann Paul Maschf Plungerpumpenaggregat, vorzugsweise für hohe Betriebsdrücke (II)
DE102006009232A1 (de) * 2006-02-28 2007-08-30 BSH Bosch und Siemens Hausgeräte GmbH Linearverdichter und Antriebsaggregat dafür
DE102008001540B4 (de) * 2008-05-05 2011-11-17 Neumann & Esser Maschinenfabrik Gmbh & Co. Kg Kolbenkompressor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191313129A (en) * 1913-06-06 1913-12-11 Walter Shaw Lang A High Speed Air Compressor.
WO2006069875A2 (fr) * 2004-12-23 2006-07-06 BSH Bosch und Siemens Hausgeräte GmbH Ventilateur lineaire
DE102006007743A1 (de) * 2006-02-20 2007-08-23 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Hubkolbenverdichter mit berührungsloser Spaltdichtung
WO2008047515A1 (fr) 2006-09-27 2008-04-24 Panasonic Corporation Compresseur
WO2009013105A1 (fr) * 2007-07-24 2009-01-29 BSH Bosch und Siemens Hausgeräte GmbH Compresseur linéaire
DE102007060832A1 (de) * 2007-12-18 2009-06-25 BSH Bosch und Siemens Hausgeräte GmbH Verdichteraggregat

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Publication number Publication date
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