CN102769364A - Device for moving a fluid - Google Patents
Device for moving a fluid Download PDFInfo
- Publication number
- CN102769364A CN102769364A CN2012101354108A CN201210135410A CN102769364A CN 102769364 A CN102769364 A CN 102769364A CN 2012101354108 A CN2012101354108 A CN 2012101354108A CN 201210135410 A CN201210135410 A CN 201210135410A CN 102769364 A CN102769364 A CN 102769364A
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- Prior art keywords
- moving
- housing
- stator
- rotor
- equipment
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Classifications
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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
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0606—Canned motor pumps
- F04D13/064—Details of the magnetic circuit
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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
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2205—Conventional flow pattern
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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
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2261—Rotors specially for centrifugal pumps with special measures
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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
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/24—Vanes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to a device for moving a fluid, which comprises a moving component to move the fluid and a synchronous motor, wherein the synchronous motor comprises a stator with at least one stator coil, and a rotor with at least one rotor magnet. The moving component is directly driven by the synchronous motor and used as the rotor of the synchronous motor.
Description
Technical field
The present invention relates to be used to equipment that fluid is moved, it comprises moving-member and the synchronous machine that fluid is moved, and wherein moving-member can directly be driven and served as the rotor of synchronous machine by synchronous machine.
Background technology
The equipment of liquid is used in beverage industry usually to be used for making fluid to move particularly.Here, the equipment that has this characteristic can be pump, blender or similar equipment.
DE3501127A1 discloses a kind of equipment that is used to produce bland, in this equipment, drives one or more dosing pumps by motor through gear train.In this case, motor is positioned at the outside of pump.Therefore the pump that has this characteristic is from peripheral operation, yet occurs following problem thus: driving shaft passes pump case and extends to rotor disk, impeller or similar equipment from motor.Therefore, must use axial face seal (face seal) with respect to the motor seal pump case.
The openly similar pump of following document, driving shaft passes pump case in this pump in all cases.Especially; DE4315234A1 openly is used to mix the centrifugal multistage pump multiple centrifugal pump of various beverage components; DE10052797A1 is open by motor-driven pump; DE19505543A1 openly has the centrifugal pump of tachometer generator (revolutions sensor), and EP0355796B1 openly has the centrifugal pump of magnetic back shaft.
DE4102707A1 also openly has the execution mode that magnetic supports the turbine pump of impeller.Have a plurality of stator winding in the outside of pump case; Closure and cut-out are carried out in the position of confirming through according to non-contact control current collector (non-contacting control collector) that is connected to each stator winding or commutator; The magnetic field that these a plurality of stator winding rotate, drives impeller is come through the permanent magnet that is installed to impeller in the magnetic field of this rotation.Though the pump with this characteristic is without any need for axial face seal, but the generation of rotary magnetic field is complicated.
Other characteristics of the execution mode of the open mixing apparatus of DE3942679A1, this mixing apparatus comprises by the motor-driven rabbling mechanism of asynchronous linear.Here, the secondary part of motor for good and all is connected to rabbling mechanism.When secondary part was arranged in housing and partly surrounds rabbling mechanism, the mixing apparatus with this characteristic did not need axial face seal.Yet owing to use asynchronous machine here, the induced current in the secondary part must be able to flow, and makes it possible to set up magnetic field, must strictly limit the shape of secondary part thus.Because secondary part partly surrounds rabbling mechanism, also can form the turbulent flow of not expecting, this turbulent flow of not expecting has negative effect to the efficient of equipment.
Summary of the invention
Therefore, the purpose of this invention is to provide a kind of equipment that fluid is moved of being used to, this equipment is beneficial to the shape that designs moving-member more neatly.This purpose is realized by following theme: a kind of equipment that fluid is moved of being used to; It comprises moving-member and the synchronous machine that fluid is moved; Wherein said synchronous machine comprises stator and rotor, and said stator has at least one stator coil, and said rotor has at least one rotor magnet; Wherein said moving-member can be served as the rotor of said synchronous machine by direct driving of said synchronous machine and said moving-member, and wherein said synchronous machine can be operated by multiphase current.
The present invention provides a kind of equipment that fluid is moved of being used to; It comprises and is used to moving-member and synchronous machine that fluid is moved; Wherein synchronous machine comprises stator with at least one stator coil and the rotor (or armature) with at least one rotor magnet, and wherein moving-member can directly be driven and served as the rotor of synchronous machine by synchronous machine.
Moving-member can directly be driven, and is not promptly having under the situation of gear train by synchronous machine drives.Because moving-member serves as the rotor (or armature) of motor, therefore need not pass the driving shaft of housing from the motor to the moving-member of equipment.Synchronous machine is the alternating current machine that rotor has permanent magnetic field.Compare with the asynchronous machine that produces the rotor field through induction, need not consider induced current here.This helps more freely designing the shape of moving-member.
In this aspect, fluid can be particularly beverage or beverage component, a cleaning medium or gas carbon dioxide particularly of liquid.It can be common making fluid motion and/or keep fluid motion, particularly pumping, conveying, fusion, mixing and/or stirring that term in this aspect " moves ".
Moving-member can comprise such as blade, lodicule, blade or similarly be used for kinetic energy is passed to one or more moving meters of fluid.Moving-member can be supported in bar, axle or similar parts.Moving-member can comprise hub for this purpose.
At least one rotor magnet can be configured in the moving-member and/or on the moving-member, and/or moving-member itself can be made up of permanent magnetic material, and/or moving-member can completely or partially be coated with permanent magnetic material.
Rotor magnet can be permanent magnet or electromagnet in all cases.Especially, most rotor magnets can be permanent magnet or electromagnet.In one embodiment, all rotor magnets can be permanent magnets.Thereby synchronous machine is a permanent-magnet-field.
Rotor magnet can embed the lower face of moving-member.The surface of moving-member can be processed by the material of any desired, for example stainless steel etc.Especially, this material can comprise the material material different with rotor magnet.The material of processing moving-member also can comprise stainless steel.
Equipment can comprise housing, and this housing surrounds moving-member at least in part.At least one stator coil can be disposed in the housing or on the housing, and/or can be disposed at the outside of housing and separate with housing.
Housing can be partially or even wholly be tubular roughly.Especially, housing can comprise pipeline section or jar.In the roughly cylindrical portion of housing, moving-member can move in housing rotationally or point-blank.
Stator coil can be disposed in the housing or on the housing, makes on stator field and the moving-member or the coupling of the rotor magnet in the moving-member, thereby makes the moving-member motion by the stator field that replaces.Housing can seal with respect to stator.Moving-member can be supported in the housing in a different manner, for example is supported in the housing through the ball bearing on axle or the interior axle, and this axle or interior axle for example are engaged to housing.
Stator also can separate with housing, and is not installed to housing especially or does not engage with housing.Stator also can be movably.
Stator coil can be installed to the outside of housing or be embedded housing, makes the inner surface of housing be made up of the material of any desired such as for example stainless steel.The material of making housing for example can comprise stainless steel.Housing also can have the bolt that is disposed at the outside, and stator coil twines this bolt.
Moving-member can surround the stator of synchronous machine at least in part.Thereby stator can be arranged in housing especially.
Moving-member can comprise ring part or jar shape portion, and this ring part or a jar shape portion surround stator at least in part.A ring part or a jar shape portion can be hubs.The moving meter that is used to fluid is moved can be positioned at the outside of this ring part or jar shape portion, and this moving meter can rotate around stator.
Synchronous machine can be driven by single-phase or many phase alternating current.When using single-phase alternating current, can omit the machine that is used to produce many phase alternating current accordingly.When using many phase alternating current particularly during three-phase alternating current (multiphase current), can obtain higher efficient.
At least one stator coil can comprise a plurality of independently windings, the number of phases of the corresponding alternating current of these a plurality of independently windings.When using single-phase alternating current, can be a winding.When using multiphase current, can be three independently windings, these three the independently order windings of winding to replace.Winding also can be packed.
The roughly cylindrical portion of housing can be wound with the winding of respective numbers, makes moving-member in stator coil, move.Thereby alternatively, one or more traveling-wave field windings can be used as stator coil.
Synchronous machine can be turning motor or linear electric machine.In this way, when using turning motor, equipment can be rotary pump, and equipment is linear pump when using linear electric machine.
Synchronous machine can be operated on both direction.In this way, can easily change the i.e. throughput direction in pipe of throughput direction.Thereby can brake fluid.
Equipment can comprise a plurality of stator coils, and wherein in the operation of equipment process, rotor magnet is drawn rotation path, and a plurality of stator coils and rotation path general arrangement are configured in the path concentric with rotation path especially in identical plane.
" roughly " appellation representes that structure does not need how much upward perfections.Therefore, for example, can occur departing from owing to the structural integrity (consistency) of housing or other component parts.
If stator coil also is disposed in the housing and/or housing on, promptly approaching as much as possible with the rotation path of one or more rotor magnets, the maximum that can obtain the magnetic field of rotor magnet and stator through this structure so is coupled.With this mode, moving-member can produce high moment of torsion.
Stator coil can be an annular roughly, especially with the concentric circular path of the rotation axis of moving-member on around moving-member configuration.What can expect is, a plurality of track rings (promptly big to the stator coil with loop configurations) with this characteristic are also along the rotation axis setting of moving-member.A plurality of track rings in plane can expect equally, and these a plurality of track rings concentrically with respect to one another and can have different radiuses in all cases.If each track ring is minimum to the potential range of at least one rotation path of rotor magnet, will be favourable.
Stator coil configuration can be suitable for the shape of housing.Stator coil can generally be configured in elliptical path or dispose along polygon.If housing has for example ellipse or polygonal cross-section, will be favourable.
Moving-member can adopt the form of rotor disk, turbine, impeller, jar, piston, rotary-piston, helical member, spiral oblique crank Z (helical shaft) or stirring vane.
The moving meter of moving-member can adopt the form of blade, lodicule, blade or like.Under the situation of rotor disk or impeller or turbine, can omit shell body tubular or annular.
Equipment can be centrifugal pump, helicoidal pump, eccentric driven pump or rotary piston pump, single action reciprocating pump or double acting reciprocating pump or blender.
Under the situation of centrifugal pump, moving-member can have the form of rotor disk, impeller or turbine especially.Here, impeller can have following form especially: the impeller of sealing promptly has the impeller of supporting disk and shrouding disc, and but half-open impeller promptly has supporting disk do not have the impeller of shrouding disc and the impeller that open end blade does not promptly have supporting disk and shrouding disc.Housing can be formed and make that centrifugal pump is that radial piston pump or semiaxis are to piston pump.The centrifugal pump of other types also can be expected.
Under the situation of positive-displacement pump, moving-member can have the form of rotary-piston, helical member or spiral oblique crank Z especially.Also may be embodied as other forms of positive-displacement pump.
Under the situation of reciprocating pump, moving-member can have the form of piston especially.Here, equipment can be connected to one or more flow chamber.
Under the situation of blender, moving-member can comprise one or more stirring vanes.Housing can be partially or even wholly be tubular roughly.Especially, housing can comprise the jar with flat or round bottom.
With respect to the imaginary radial line apart from rotation axis point farthest from the rotation axis to the moving-member, the distance that at least one rotor magnet and rotation axis separate can be said point half the to the distance of rotation axis.Here, one, a plurality of or all rotor magnets can have this interval.At least 60%, 70%, 80% or 90% interval to the distance of this point also can be expected.Rotor magnet can be disposed on the moving meter of moving-member or in the moving meter especially.
Alternatively, one, a plurality of or all rotor magnets also can be configured to as far as possible the rotation axis near moving-member.If moving-member partly surrounds stator, will be favourable.Especially, rotor magnet also can be disposed in the hub of moving-member and/or on the hub.If by for example in too meticulous and can not rotor magnet to be disposed at also will be favourable in the moving meter, because they are too thin and do not expect rotor magnet is installed to the surface of moving meter.
Equipment can comprise at least two rotor magnets, and these at least two rotor magnets are disposed in the moving-member with the adjacent mode of the magnetic pole that repels each other and/or on the moving-member.Equipment can comprise two above rotor magnets, and these two above rotor magnets are so that the adjacent rotors magnet has the arranged in order of the magnetic pole that repels each other in moving-member and/or on the moving-member in all cases.
This structure can be used for reciprocating pump especially, and this reciprocating pump can be by linear electric motor.Here, a plurality of magnets that are adjacent to dispose that have the magnetic pole that repels each other in all cases can be arranged on the moving-member of moving-member and/or piston shape of piston shape.This piston for example can be arranged in partially or even wholly roughly tubular shell.Housing can twine single-phase on certain length or polyphase windings perhaps comprises one or more traveling-wave field windings, and making can be by linear electric machine along the housing mobile piston.
Equipment can comprise the frequency converter that is used to control said synchronous machine.Synchronous machine can accurately be controlled by frequency converter.
Description of drawings
To further advantage of the present invention and characteristic be described based on accompanying exemplary drawings below.Below schematically illustrated:
Fig. 1 a to Fig. 1 c has the centrifugal pump that is positioned at inner moving-member;
Fig. 2 a to Fig. 2 c has the centrifugal pump that is positioned at inner stator;
Feed pump that Fig. 3 a to Fig. 3 f is different and positive-displacement pump;
Fig. 4 a to Fig. 4 d has the reciprocating pump of Linear actuator;
Several kinds of distortion of Fig. 5 a to Fig. 5 d blender.
Embodiment
Fig. 1 a illustrates the three-dimensional cutaway view of centrifugal pump 100, and this centrifugal pump 100 has housing 101 and is positioned at inner moving-member 102, and moving-member 102 is centered on by stator, stator coil 103 integral body is regarded as stator here thus.In the operating process of pump 100, fluid 105 is inhaled in the pump chambers 106 through entering the mouth, and the rotation through moving-member 102 is pumped to outlet 107 then.Here fluid is a gas, or is liquid especially.
Because moving-member 102 serves as the rotor of synchronous machine, therefore do not need driving shaft.Here, housing 101 is closed with respect to stator.Therefore without any need for seal or similar assembly.Also have, moving-member 102 drives without gear, and this has not only saved the space that is used for gear train, and the driving of pump 100 is also demonstrated very high efficient.
Fig. 1 b illustrates the cross section along the rotation axis of moving-member 102 of pump 100.Here, moving-member has eight blades 108 (referring to Fig. 1 c) and hub 109, and this hub 109 is supported on axle 110.Therefore, in the operation of equipment process, moving-member 102 rotates around axle 110.The blade 108 of varying number also can be expected.
In each blade 108, all there is permanent magnet 104.Yet, in each blade 108, do not exist magnet 104 can expect yet.Similarly, also can expect in some blades 108 or whole blade 108, having a plurality of magnets 104.The surface of moving-member 102 can be processed by the material of any desired, for example stainless steel.Alternatively, also can magnet 104 be installed to the surface of blade 108.
Because stator around moving-member 102, advantageously, is configured to the rotor magnet in the blade 108 104 as much as possible away from the magnetic field the strongest possible coupling of axle 110 with acquisition and stator coil 103.In the present embodiment, magnet 104 and the radial spacing of axle between 110 are about as much as point (being to the maximum points of axle 110 distances on the blade 108) on the edge of blade 108 at least 75% of the distance of axle 110.
In the present embodiment, rotor magnet 104 is a permanent magnet.Thereby stator and moving-member 102 formation permagnetic synchronous motors.Can save the exciter power (exciter power) that is used for rotor coil, this is the reason with execution mode saving energy of this characteristic.Be used for exciter power transfer also can be omitted to rotor such as assemblies such as slip ring, brush or similar assemblies.Owing to used the parts that can bear high wearing and tearing, further saved running cost.Yet one in principle, a plurality of or whole rotor magnet 104 also can be electromagnets.
Fig. 1 c illustrates the cross section of rotation axis of the crosscut moving-member of pump 100.Stator coil 103 is along the circular path configuration around moving-member 102 concentric with rotation axis.Here, stator is made up of six coils 103, and these six coils 103 are disposed at the outside of housing 101.The stator coil 103 of varying number also is possible.Alternatively, stator 103 can be made up of one or more traveling-wave field windings (travelling-field winding) (referring to Fig. 4 d).
Coil 103 can be installed on the outside of housing 101, makes the inner surface of housing be made up of the material of any desired, for example stainless steel.Coil 103 also can be installed on housing 101 inside, makes inner surface and the outer surface of housing 101 be made up of the material of any desired, for example stainless steel.Coil 103 also can embed the inboard or the outside of housing 101, i.e. the certain degree of depth in the inboard of recessed housing or the outside.Coil 103 also can be installed to the inboard of housing 101 or separate with housing 101.Also can have bolt on the inner surface of housing 101 and/or the outer surface, coil 103 twines this bolt.If coil 103 does not separate through housing 103 and fluid, so can potted coil.
Here, moving-member 102 has eight blades 108, and permanent magnet 104 is arranged in each blade 108.For magnetic field and the coupling of the maximum between the rotor magnet 104 that obtains stator coil 103; Here rotor magnet 104 is installed in the end of blade 108, promptly magnet 104 to the distance of axle 110 be equivalent on the blade 108 at least 75% of the distance of the maximum point of axle 110 distances and axle 110.Certainly, in other embodiments, magnet 104 also can have other minimum range to axle 110.
Here, the surface of blade 108 is parallel to axle 110.Yet like usually said screw, blade 108 can reverse or bending with respect to axle 110.Here, blade 108 radial arrangement.Yet what can expect is that blade 108 is crooked diametrically.What also can expect is that blade 108 presents for example spade with the bending that directly makes progress in the axial direction then.Here, moving-member 102 is the impeller or the turbine of opening.Alternatively, moving-member 102 also can have supporting disk, and the edge away from inlet 105 of one or more blades 108 engages with this supporting disk.Thereby moving-member 102 is impellers of half opening.Moving-member 102 also can have shrouding disc in addition, and this shrouding disc partly covers the side of moving-member 102 in the face of inlet 105.Thereby moving-member 102 is the impeller of sealing.
Fig. 2 a illustrates the three-dimensional cutaway view of centrifugal pump 200, and this centrifugal pump 200 has housing 201, moving-member 202 and stator 203, and wherein moving-member 202 partly surrounds stator 203, makes moving-member 202 rotate around stator 203.In the operating process of pump 200, fluid 205 is inhaled in the pump chambers 206 through entering the mouth, and the rotation through moving-member 202 is pumped to outlet 207 then.
Fig. 2 b illustrates the cross section along the rotation axis of moving-member 202 of pump 200.Moving-member 202 has hub 209 and one or more blades 208.Here, moving-member is supported on axle 210.
In the present embodiment, stator coil 203 is arranged in axle 210, and rotor magnet 204 is arranged in the hub 209 of moving-member 202.What can expect certainly alternatively, is inner surface and/or the outer surface that coil 203 is positioned at axle 210.What also can expect is that coil embeds the inner surface and/or the outer surface of axle 210, the inner surface and/or the certain degree of depth of outer surface of promptly recessed axle 210.What also can expect is that axle 210 the inboard and/or the outside have bolt, and coil 203 twines these bolts.Rotor magnet 204 also can embed in the blade 208.Similarly, magnet 204 can be installed to the outer surface of hub 209 or blade 208.
In axle 210, there are three stator coil rings 203.For each track ring 203, in hub 209, also there is the loop configurations (also referring to Fig. 2 c) of rotor magnet 204.This is configured with the maximum that is beneficial to stator field and rotor field and is coupled to produce the moment of torsion of maximum possible.In other embodiments, the quantity of stator coil ring 203 is certainly different with the quantity of the loop configurations of corresponding rotor magnet 204.The quantity of the quantity of track ring 203 and rotor ring 204 does not need identical yet.
Fig. 2 c illustrates the cross section of the rotation axis of crosscut moving-member 202 through hub 209 with the axle 210 of pump 200.In the sectional view shown in this, three stator coils 203 embed in the axle 210, and four rotor magnets 204 embed in the hub 209 of moving-member 202.Here, three coils 203 that illustrate form one of three track rings 203.Thereby belong to the track ring 203 that illustrates by the ring that rotor magnet 204 forms.In other execution mode, the quantity of stator coil 203 and rotor magnet 204 is certainly different.
Fig. 3 a illustrates the three-dimensional cutaway view of supply pump 300.Housing 301 is tubular roughly.Especially, housing 301 comprises pipeline section here.Wait other shapes also can expect such as pipe with polygonal cross-section.In use, pump 300 can be regarded as one section pipe, in the process that this pipe is installed, does not have sewage residual.
Moving-member 302 is arranged in housing 301.A plurality of stator coils 303 with the concentric cyclic path of the rotation axis of moving-member 302 on around moving-member 302 configuration, and embed the outside of housing 301, the certain degree of depth in promptly recessed housing 301 outsides.The traveling-wave field winding of one or more alternative stator coils (referring to Fig. 4 d) also can be expected.If housing has different cross sections, polygonal cross-section for example, stator coil 303 also can be along corresponding with the cross section and concentric with the cross section for example polygonal figures configuration so.As in the aforementioned embodiment, stator coil 303 also can embed housing 301 and/or be installed to the inner surface and/or the outer surface of housing 301.
In the present embodiment, moving-member has six crooked diametrically blades 308, and the both sides of these six blades all are equipped with rotor magnet.Yes can expect for the blade 308 of varying number or different blade shapes.Moving-member 302 comprises hub 309, and this hub 309 is supported on axle 310.Axle 310 is fixed to housing 310 through pillar 311.In the present embodiment, the two ends of axle 310 all are fixed through three pillars 311.The pillar 311 of varying number also can be expected.
Fig. 3 b illustrates the cross section of rotation axis of the crosscut moving-member 302 of pump 300.In the present embodiment, the outside of eight stator coil 302 embedding housings 301.Yes can expect for the coil 303 of varying number.Likewise, coil 303 can be made up of one or more traveling-wave field windings (referring to Fig. 4 d).
Fig. 3 c illustrates the cross section along the rotation axis of moving-member 302 of pump 300.Can see, be positioned at the both sides of blade 308 at various situation lower rotor part magnets 304.Certainly do not need all have two magnets 304 on each blade 308.What can expect is that one or more blades 308 are only installed a magnet 304, and magnet 304 even is not installed.
Fig. 3 d illustrates the lateral section of another execution mode of pump 300, and pump is a helicoidal pump in this embodiment.Likewise, housing 301 is tubular roughly in the present embodiment.In use, pump 300 can be regarded as pipe and can combine with the remainder of pipe-line system through flange engages portion 313.
Here, moving-member does not comprise aforesaid blade, but comprises helical member 308.Here, this helical member 308 for example has permanent magnetism core 304, and promptly helical member 308 is made up of a plurality of layers, and wherein central core has permanent magnetism.Here, moving-member 302 also comprises hub 309, and this hub 309 is supported by axle 310.In all cases, the two ends of axle 310 are fixed to housing 301 through pillar 311.
Because the big axial stretching, extension of moving-member, stator comprises three track rings 303 here, and wherein each track ring 303 is made up of a plurality of stator coils of loop configurations.Certainly the track ring 303 of varying number can be expected.Here, different track ring 303 certainly comprises the coil of varying number.
Fig. 3 e illustrates the lateral section of another execution mode of pump 300, and pump is an eccentric driven pump in this embodiment.In the present embodiment, the inboard of housing 301 is the shape of how much rotary bodies of waveform envelope.Moving-member 302 has the shape of spiral oblique crank Z, and this moving-member can be around its geometrical rotation rotational in housing 301.Stator coil 303 disposes with how much rotational lines on the summit of the envelope of how much rotary bodies with one heart, and this stator coil 303 for example twines the bolt 312 in the outside of housing 301.Preferably, rotor magnet 304 is disposed at the zone of spiral oblique crank Z 302, and this rotor magnet 304 is positioned as close to stator coil 303 in rotation process.
Fig. 3 f illustrates the lateral section of another execution mode of pump 300.Here moving-member 302 comprises the moving meter 308 of spade, and this moving meter 308 is partly covered by permanent magnetic material 304.Moving-member comprises hub 309, and this hub 309 is supported on axle 310.In all cases, the two ends of axle 310 are fixed to housing 301 through pillar 311.In the present embodiment, stator coil 303 is installed to the inboard of housing 301.Thereby stator coil 303 is packed and stator coil 303 and fluid are separated.Likewise, can use flange engages portion 313 that this pump 300 is attached in the pipe-line system.
Fig. 4 a illustrates the embodiment that equipment is double acting reciprocating pump 400.Here, moving-member 402 is straight-line pistons.Fluid is inhaled among corresponding pump chambers 406-1 and the 406-2 through two inlet 405-1 and 405-2, is pumped to corresponding outlet 407-1 and 407-2 then.Certainly, the single action reciprocating pump of ignoring element 405-2,406-2 and 407-2 also can be expected.In the present embodiment, piston 402 is along stator 403 rectilinear motion between pump chambers 406-1 and 406-2 around it.
Fig. 4 b illustrates the distortion of the Linear actuator of the reciprocating pump with eigen.Here, housing 401 is roughly the tubular between pump chambers 406-1 and the 406-2.Stator coil 403 for example forms through three winding 416-1,416-2 and 416-3, and these three windings alongst twine the housing 401 between pump chambers 406-1 and the 406-2.Here, three positions of the corresponding multiphase current of these three winding 416-1,416-2 and 416-3 mutually.The quantity of winding 416 can correspondingly be adjusted the alternating current that has the varying number phase place to adapt to.In all cases, the mode faced mutually with the magnetic pole that repels each other along the motion path of piston 402 of permanent magnet 404 is configured in the piston 402 or on the piston 402 with becoming a row.Here do not need how much upward perfectly configurations.Therefore also can dispose magnet 404 with squinting.
Fig. 4 c illustrates another distortion of the Linear actuator of the pump with eigen.In this connection, use one or more long stators 403, promptly stator 403 certain length are provided with one or more traveling-wave field windings (referring to Fig. 4 d) in all cases.Advantageously, the configuration that is provided with such as the rotor magnet among Fig. 4 b 404 for each long stator 403.Here, rotor magnet 404 can be installed to the surface of piston, makes them near as much as possible with corresponding long stator.Yet what also can expect is, piston has core, and this core has the configurations of magnets according to Fig. 4 b, thereby this core and the coupling of one or more long stator.
Fig. 4 d illustrates the plane graph of the traveling-wave field winding 403 different with Fig. 4 c.In the present embodiment, have three winding 416-1,416-2 and 416-3, these three windings are corresponding with three phase places of multiphase current.If use alternating current, can suitably adjust the quantity of winding 416 so with varying number phase place.Here, winding 416 is directly range upon range of each other and be fixed to band 417, and this band 417 can be fixed to housing 401 again then.Winding 416 can be packed.Band 417 can be made up of ferromagnetic material, therefore is used as " iron core " of coil in addition.Yet, also can omit band 417.
Fig. 5 a illustrates the lateral section of blender 500.Here, housing 501 comprises jar, and this jar serves as the stir chamber inboard.Moving-member 502 is arranged in this jar, and moving-member 502 comprises the stirring vane 508 that is used to stir, mix or merge one or more fluids.Moving-member 502 comprises hub 509, and this hub 509 is supported on axle 510.Here, stator coil 503 embeds the outer surface of housing 501.Moving-member 502 has two magnet 504-1 and 504-2 in its blade 508 in all cases, and wherein magnet 504-1 is attached in the exterior domain 518, and magnet 504-2 is attached in the lower area 519 of blade 508.
Fig. 5 b illustrates the bottom view of blender 500.Can see two stator coil rings, one of them is formed by the stator coil 503-1 on the sidewall of housing 501, and another stator coil 503-2 by the bottom side of housing forms.In the operation of equipment process, two rings are all concentric with the rotation path of rotor magnet 504-1 and 504-2.Here, the ring of coil 503-1 for example is positioned at the height place of rotor magnet 504-1, and the ring of coil 503-2 is positioned at magnet 504-2 below.
Fig. 5 c illustrates the lateral section of another execution mode of blender 500, and wherein moving-member 502 comprises hub 509, and this hub 509 is supported on axle 510.Here, the axle 510 that comprises moving-member 502 can be introduced the housing 501 from the top.In this case, pillar 513 for example can join lid 520 or other lids of blender to.Moving-member 502 has one or more blades 508.Here magnet 504-1 is installed in the exterior domain 518 of moving-member 502 or on the exterior domain 518 in all cases, and two magnet 504-2 and 504-3 are installed in the lower area 519 of moving-member 502 or on the lower area 519 in all cases here.Therefore, as be used for that kind shown in Fig. 5 b of two paths, corresponding to the rotation path of stator magnet 504-1,504-2 and 504-3, the coil 503-1 of respective numbers, 503-2 and 503-3 form three stator coil rings.
Fig. 5 d illustrates the lateral section of another execution mode of blender 500, and wherein moving-member 502 surrounds stator 503 at least in part.Here stator 503 is positioned on the bolt 510 of housing 501 and is partly surrounded by the hub 509 of moving-member 502.Thereby in the operation of equipment process, the blade 508 of moving-member 502 rotates around stator.The rotor magnet 504 of moving-member 502 advantageously is configured in the hub 509 or on the hub 509.
Self-evident, the characteristic of in aforementioned embodiments, mentioning is not limited to these special combinations, and any other combination is fine.
Claims (13)
1. one kind is used to equipment that fluid is moved, and it comprises the moving-member (102,202,302,402 that fluid is moved; 502) and synchronous machine, wherein said synchronous machine comprises stator and rotor, and said stator has at least one stator coil (103,203; 303,403,503), said rotor has at least one rotor magnet (104; 204,304,404,504); Wherein said moving-member (102,202,302,402,502) can be served as the rotor of said synchronous machine by direct driving of said synchronous machine and said moving-member, and wherein said synchronous machine can be operated by multiphase current.
2. equipment according to claim 1 is characterized in that, at least one rotor magnet (104,204,304,404; 504) be disposed in the said moving-member (102,202,302,402,502) and/or on the said moving-member; And/or said moving-member (102,202,302,402,502) itself is made up of permanent magnetic material; And/or said moving-member (102,202,302,402,502) completely or partially is coated with permanent magnetic material.
3. equipment according to claim 1 and 2 is characterized in that, said equipment comprises housing (101,201,301,401,501), and said housing surrounds said moving-member (102,202,302,402,502) at least in part,
Wherein, at least one stator coil (103,203,303,403,503) is disposed in the said housing (101,201,301,401,501) or on the said housing and/or said housing (101,201,301,401,501) is outside and separate with said housing, or
Wherein, said moving-member (102,202,302,402,502) surrounds the said stator of said synchronous machine at least in part.
4. equipment according to claim 1 is characterized in that, at least one stator coil (103,203,303,403,503) comprises a plurality of independently windings, the number of phases of the corresponding said multiphase current of said a plurality of independently windings.
5. according to a described equipment in the aforementioned claim, it is characterized in that said synchronous machine is turning motor or linear electric machine.
6. according to a described equipment in the aforementioned claim, it is characterized in that said synchronous machine can be operated on both direction.
7. according to a described equipment in the aforementioned claim, it is characterized in that said equipment comprises a plurality of stator coils (103,203,303; 403,503), in said operation of equipment process, said rotor magnet (104,204; 304,404,504) draw rotation path, said a plurality of stator coils (103,203; 303,403,503) basic configuration is in the plane identical with said rotation path, and especially basic configuration in the path concentric with said rotation path.
8. according to a described equipment in the aforementioned claim, it is characterized in that said moving-member (102; 202; 302,402,502) form of employing rotor disk, turbine, impeller, jar, piston, rotary-piston, helical member, spiral oblique crank Z or stirring vane.
9. according to a described equipment in the aforementioned claim, it is characterized in that said equipment is centrifugal pump, helicoidal pump, eccentric driven pump or rotary piston pump, single action reciprocating pump or double acting reciprocating pump or blender.
10. according to a described equipment in the aforementioned claim, it is characterized in that, with respect to from rotation axis to said moving-member (102; 202,302,402; The imaginary radial line of the said rotation axis of distance 502) point farthest, at least one rotor magnet (104,204; 304,404,504) distance that separates with said rotation axis for the distance from said to said rotation axis at least half.
11. a described equipment according in the aforementioned claim is characterized in that, at least two rotor magnets (104,204; 304,404,504) be disposed at said moving-member (102,202 with the adjacent mode of the magnetic pole that repels each other; 302,402,502) in and/or on the said moving-member.
12. equipment according to claim 11 is characterized in that, plural rotor magnet (104; 204,304,404; 504) be disposed at said moving-member (102,202,302 in order; 402,502) in and/or on the said moving-member, make adjacent said rotor magnet respectively magnetic pole repel each other.
13. a described equipment according in the aforementioned claim is characterized in that said equipment comprises the frequency converter that is used to control said synchronous machine.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011075097.5 | 2011-05-02 | ||
| DE102011075097A DE102011075097A1 (en) | 2011-05-02 | 2011-05-02 | Device for moving a fluid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102769364A true CN102769364A (en) | 2012-11-07 |
| CN102769364B CN102769364B (en) | 2015-06-10 |
Family
ID=46027630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210135410.8A Expired - Fee Related CN102769364B (en) | 2011-05-02 | 2012-05-02 | Device for moving a fluid |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20130039785A1 (en) |
| EP (1) | EP2520805A3 (en) |
| CN (1) | CN102769364B (en) |
| BR (1) | BR102012009804A2 (en) |
| DE (1) | DE102011075097A1 (en) |
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| CN105529870A (en) * | 2016-02-05 | 2016-04-27 | 黄文佳 | Integrated water pump |
| CN113275333A (en) * | 2021-06-23 | 2021-08-20 | 田雨 | Magnetically-propelled micro-reaction conveying device |
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| DE102012112560B3 (en) * | 2012-12-18 | 2014-05-15 | Kumatec Sondermaschinenbau & Kunststoffverarbeitung Gmbh | Impeller pump arrangement for electrolyzer, has impeller made of non-corrosive material comprising odd or even number of blades mounted on outer ends and connected to blades surrounding ring, and magnets arranged in ring |
| DE102013010223B4 (en) | 2013-06-18 | 2022-06-23 | Georg Schönwies | generator device |
| US9498662B2 (en) * | 2014-02-18 | 2016-11-22 | Leonard E. Doten | Polymer gel emulsion injection system |
| CN107436652A (en) * | 2016-05-25 | 2017-12-05 | 奇鋐科技股份有限公司 | Water cooling plant |
| US20170363362A1 (en) * | 2016-06-16 | 2017-12-21 | Asia Vital Components Co., Ltd. | Water-cooling device |
| WO2018117910A1 (en) | 2016-12-22 | 2018-06-28 | Дмитрий Владимирович ВЕДЕНИН | Device for transmitting mechanical energy to a fluid |
| CN113123972B (en) * | 2019-12-31 | 2023-06-06 | 丹佛斯（天津）有限公司 | Oil pump and scroll compressor |
| EP4002652A1 (en) * | 2020-11-23 | 2022-05-25 | Hitachi Energy Switzerland AG | Tank, power unit and liquid circulation system |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN102769364B (en) | 2015-06-10 |
| EP2520805A2 (en) | 2012-11-07 |
| BR102012009804A2 (en) | 2016-04-12 |
| DE102011075097A1 (en) | 2012-11-08 |
| EP2520805A3 (en) | 2014-11-19 |
| US20130039785A1 (en) | 2013-02-14 |
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