A quick-replacement structure (1) for a pump head, wherein the quick-replacement structure comprises a flange (10) and a limiting unit; the pump head (61) comprises a housing (610); the limiting unit comprises a plurality of limiting blocks (21) and a plurality of snap-fit fasteners (22); the plurality of limiting blocks (21) are arranged on an upper end face of the flange (10) at intervals in a circumferential direction; the plurality of limiting blocks (21) and the flange (10) form an accommodating space for the housing; the plurality of snap-fit fasteners (22) are arranged on the outer circumference of the housing (610) at intervals; a first limiting portion (210) for axially limiting a snap-fit fastener (22) and a second limiting portion (211) for limiting the screwing-in direction of the pump head are provided on the side of each of the limiting blocks close to the pump head (61); and at least one limiting block (21) is internally provided with a locking unit (30), and the locking unit (30) can rotate relative to the limiting block (21) and limit the screwing-out direction of the pump head (61). In the quick-replacement structure, quick assembly of the pump head can be achieved, and the flange need not be disassembled.
Centrifuges for pharmaceutical agents (excluding centrifuges
commonly used in chemical industry); machines for
pharmaceutical processing industry; bioreactors for
biopharmaceuticals; hydraulic couplers; conveyor belts;
belts for machines.
Centrifuges for pharmaceutical agents (excluding chemical
centrifuges); machines for the pharmaceutical processing
industry; bioreactors for biopharmaceuticals; hydraulic
couplers; conveyor belts; belts for machines; machines for
the electronics industry; gas separating equipment;
pneumatic valve actuators; pneumatic actuators for control
valves; automatic inlet control valves for reciprocating air
compressors; vehicle bearings; valves (parts of machines);
pneumatic controllers for machines, motors, and engines;
bearings (machine components); drive shaft bearings; drum
(machine component).
4.
MAGNETIC LEVITATION ELECTRIC MOTOR WITH INTEGRATED WINDING, MAGNETIC LEVITATION APPARATUS, AND METHOD FOR WINDING INTEGRATED WINDING
Disclosed in the present invention are a magnetic levitation electric motor with an integrated winding, a magnetic levitation apparatus, and a method for winding an integrated winding. A stator comprises 2N+2 stator cores, N being a non-zero natural number; a coil is correspondingly wound on each stator core, and each coil is provided with a coil lead-in end and a coil lead-out end; a plurality of coils, which are spaced apart by a certain angle on a circumference where the stator cores are located, are connected in series to form at least one phase of winding; in the same phase of winding, a plurality of coils are sequentially and continuously wound by means of the same enameled wire to form an integrated winding; each phase of winding is provided with a common lead-in end and a common lead-out end; the at least one phase of winding is configured to be a suspension winding and/or a rotary winding; and in an energized state, coils opposite each other on each phase of suspension winding have the same magnetic-field direction, and coils opposite each other on each phase of rotary winding have opposite magnetic-field directions. A plurality of coils are continuously wound and connected in series by means of the same enameled wire to form an integrated winding, thereby reducing the number of welding spots of the winding, saving on welding man-hours, and reducing labor costs.
H02K 3/28 - Schémas d'enroulements ou de connexions entre enroulements
H02K 15/085 - Exécution des enroulements par pose des conducteurs dans ou autour des parties formant le noyau par pose des conducteurs dans des stators encochés
H02N 15/00 - Dispositifs de maintien ou de lévitation utilisant l'attraction ou la répulsion magnétique, non prévus ailleurs
5.
MAGNETIC SUSPENSION DEVICE AND SEMICONDUCTOR PROCESSING APPARATUS
Provided are a magnetic suspension device and a semiconductor processing apparatus. A stator (20) of the magnetic suspension device comprises at least three magnetic stator substrates (201), permanent magnets (202) and magnetizers (203), wherein the at least three magnetic stator substrates (201) are spaced apart from each other in an axial direction of the stator (20) to define at least two gaps (201′), and the permanent magnets (202) and the magnetizers (203) are alternately arranged in the at least two gaps (201′); each of the at least three magnetic stator substrates (201) comprises a protruding portion (2012), which protrudes towards a rotor (10) and protrudes out of the permanent magnet (202) and the magnetizer (202) and is wound with a magnetic suspension coil (2012c); the protruding portions (2012) of first magnetic stator substrates (201a) in the at least three magnetic stator substrates (201) and the magnetic suspension coils (2012c) apply an upward force to the rotor (10) in the axial direction of the stator (20); and the ratio of the number of the first magnetic stator substrates (201a) to the total number of the at least three magnetic stator substrates (201) is greater than or equal to 50%.
Disclosed in the present invention are a magnetic suspension device and a magnetic suspension turntable. The magnetic suspension device comprises a stator and a rotor, wherein the stator comprises a permanent magnet device and a first suspension control assembly, the first suspension control assembly comprising a first control assembly and a second control assembly, the first control assembly being configured to apply an axial upward suspension force to the rotor, the second control assembly being configured to apply an axial downward suspension force to the rotor, the first control assembly comprising a plurality of first stator magnetic poles, and the second control assembly comprising a plurality of second stator magnetic poles; and the permanent magnet device comprises a plurality of permanent magnet assemblies, wherein the plurality of permanent magnet assemblies are uniformly arranged in a circumferential direction, an equal or nearly equal magnetic flux is generated at a first air gap of two radially symmetrical first stator magnetic poles in each pair or at a first air gap of each first stator magnetic pole, and an equal or nearly equal magnetic flux is generated at a second air gap of two radially symmetrical second stator magnetic poles in each pair or at a second air gap of each second stator magnetic pole. The present invention can improve the stability of rotation of the magnetic suspension turntable.
A magnetic levitation device and a rotor position adjusting method are provided. The magnetic levitation device includes a rotor and a stator. In the axial direction of the stator, a permanent magnet stator body of the stator is sandwiched between a first magnetic stator substrate and a second magnetic stator substrate of the stator. The first magnetic stator substrate includes a first substrate body, as well as a first protrusion and a second protrusion protruding from the first substrate body toward the rotor, a first magnetic levitation coil is wound on the first protrusion, and a second magnetic levitation coil is wound on the second protrusion. In the axial direction of the stator, the first protrusion and the first magnetic levitation coil apply an upward force to the rotor while the second protrusion and the second magnetic levitation coil apply a downward force to the rotor.
Disclosed in the present invention are a magnetic-suspension bearingless electric motor capable of forward and reverse rotation, and a device, a control method and a system. The magnetic-suspension bearingless electric motor capable of forward and reverse rotation comprises a stator, a rotor, a position acquisition apparatus, a rotation control apparatus, a main control apparatus and a power amplification apparatus. On the basis of an angular position and a rotation control instruction, the main control apparatus selects a reference coil and controls, by means of the power amplification apparatus, a sequence in which coils, starting from the reference coil, on a plurality of stator teeth reach a peak value of a rotating current and the energization direction of the rotating current of the coil on each stator tooth, so as to control the rotation direction of the rotor; the main control apparatus controls, by means of the power amplification apparatus, a sequence in which the coils on the plurality of stator teeth reach a peak value of a suspension current and the energization direction of the suspension current of the coil on each stator tooth, so as to control the rotor to be suspended, and a suspension magnetic field generated by means of the suspension current rotates; and the rotation direction of a rotating magnetic field is the same as the rotation direction of the suspension magnetic field, and the rotation speed of the rotating magnetic field is different from the rotation speed of the suspended magnetic field.
The present invention relates to a global single clock source-based magnetic levitation controller and magnetic levitation motor system, the magnetic levitation motor system comprising a sensor module, a power amplifier module, an analog-to-digital conversion module, a magnetic levitation motor and a magnetic levitation control unit; a clock signal of the magnetic levitation controller is generated on the basis of a global single clock source, the clock signal comprising a sensing clock used for measurement by the sensor module, a sampling clock used for sampling by the analog-to-digital conversion module, and a power amplifier clock used for driving by the power amplifier module; the sensor module is configured to measure control data of the magnetic levitation motor and output a sensor signal; the analog-to-digital conversion module is configured to convert the sensor signal into a sampling signal; the magnetic levitation control unit is configured to perform data operation processing on the sampling data and generate a power amplification signal; the power amplifier module is configured to generate a PWM signal and excite an electromagnetic coil in the magnetic levitation motor on the basis of the PWM signal. The present invention can improve the signal-to-noise ratio and the anti-interference capability of the system without the additional provision of a synchronization module, thus enabling the system to have a simple structure and low cost.
Disclosed in the present invention are an impeller structure for regulating an axial force and a magnetic suspension mixing device. An impeller comprises a magnetic suspension rotor and a plurality of blades; a rotor magnetic component is arranged in the magnetic suspension rotor; and the blades are arranged on the magnetic suspension rotor and can rotate concentrically with the magnetic suspension rotor, each blade having a pressure surface and a suction surface that are opposite to each other, the pressure surface of at least one blade being provided with a winglet used for regulating the axial force, and/or the suction surface of the at least one blade being provided with a winglet used for regulating the axial force. In the present invention, the winglets used for regulating the axial force are arranged on the blades, and the winglets can generate an axial force having a direction opposite to that of the axial force of the impeller, so as to regulate the axial force of the impeller, thereby avoiding damages to the rotor caused by the impeller moving in an axis direction due to the impact of the axial force and further driving the rotor to move in the axis direction. The arrangement mode is simple and facilitates machining, and providing the winglets on the blades can enhance the mechanical strength of the blades, thus prolonging the service life of the blades, and reducing use costs.
B01F 33/453 - Mélangeurs magnétiquesMélangeurs avec agitateurs à entraînement magnétique en utilisant des éléments d'agitation supportés ou suspendus
B01F 27/112 - Agitateurs caractérisés par la configuration des agitateurs avec des bras, des pales ou des lames
B01F 35/221 - Commande ou régulation des paramètres de fonctionnement, p. ex. du niveau de matière dans le mélangeur, de la température ou de la pression
B01F 27/072 - Agitateurs caractérisés par leur montage sur l’arbre caractérisés par la disposition des agitateurs par rapport à l'axe de rotation
The present invention relates to a single-winding magnetic suspension motor and a suspension control method. The single-winding magnetic suspension motor comprises a magnetic suspension stator and a magnetic suspension rotor; the magnetic suspension stator is configured to be a bearing and a driving stator, each stator tooth being provided with a winding coil, one end of each winding coil being a common end, the common ends of the winding coils being connected together, and the other end of each winding coil being configured to be a leading-out end; a power amplification circuit configures a superimposed current to each winding coil, each superimposed current comprising a suspension current component and a rotation current component, the suspension current components being configured to construct a suspension magnetic field, and the rotation current components being configured to construct a rotation magnetic field; and the suspension magnetic field and the rotation magnetic field are superimposed onto each other to generate a radial suspension force for controlling the magnetic suspension rotor. The common end interconnecting structure of the winding coils designed in the present invention achieves the purposes of reducing outgoing wires of a motor body, using fewer power amplifiers, reducing product costs, simplifying a wiring process and improving production efficiency.
Provided are a magnetic suspension device and a semiconductor processing apparatus. A stator (20) of the magnetic suspension device comprises at least three magnetic stator substrates (201), permanent magnets (202) and magnetizers (203), wherein the at least three magnetic stator substrates (201) are spaced apart from each other in an axial direction of the stator (20) to define at least two gaps (201'), and the permanent magnets (202) and the magnetizers (203) are alternately arranged in the at least two gaps (201'); each of the at least three magnetic stator substrates (201) comprises a protruding portion (2012), which protrudes towards a rotor (10) and protrudes out of the permanent magnet (202) and the magnetizer (202) and is wound with a magnetic suspension coil (2012c); the protruding portions (2012) of first magnetic stator substrates (201a) in the at least three magnetic stator substrates (201) and the magnetic suspension coils (2012c) apply an upward force to the rotor (10) in the axial direction of the stator (20); and the ratio of the number of the first magnetic stator substrates (201a) to the total number of the at least three magnetic stator substrates (201) is greater than or equal to 50%.
H02K 7/00 - Dispositions pour la mise en œuvre d'énergie mécanique associées structurellement aux machines dynamo-électriques, p. ex. association structurelle avec des moteurs mécaniques d'entraînement ou des machines dynamo-électriques auxiliaires
H02K 15/00 - Procédés ou appareils spécialement adaptés à la fabrication, l'assemblage, l'entretien ou la réparation des machines dynamo-électriques
H02K 16/00 - Machines avec plus d'un rotor ou d'un stator
A magnetic levitation device and a rotor position adjustment method. In the axial direction (Z) of a stator (2), a permanent magnet stator body (20) of the stator (2) is sandwiched between a first magnetic stator substrate (21) and a second magnetic stator substrate (22) of the stator (2). The first magnetic stator substrate (21) comprises a first substrate body (210) and first protrusions (211) and second protrusions (212) protruding from the first substrate body (210) toward a rotor (1), first magnetic levitation coils (211c) are wound on the first protrusions (211), and second magnetic levitation coils (212c) are wound on the second protrusions (212). In the axial direction of the stator (2), the first protrusions (211) are higher than the second protrusions (212) so that the first protrusions (211) and the first magnetic levitation coils (211c) apply an upward force to the rotor (1) while the second protrusions (212) and the second magnetic levitation coils (212c) apply a downward force to the rotor (1).
A magnetic coupling suspension pump includes a stator body and a rotor. The stator body includes a magnetic suspension stator assembly and a magnetic coupler stator assembly; the rotor includes a magnetic suspension rotor assembly and a magnetic coupler rotor assembly; the magnetic suspension stator assembly and the magnetic suspension rotor assembly constitute a magnetic suspension assembly, and the magnetic suspension assembly is configured to generate radial uni-polar magnetic poles and magnetic fields arranged along a circumferential direction, resulting in that the rotor suspends; and the magnetic coupler stator assembly and the magnetic coupler rotor assembly constitute a magnetic coupler assembly, and the magnetic coupler assembly is configured to generate radial non-zero even number of periodic magnetic poles and magnetic fields arranged along the circumferential direction, resulting in that the rotor rotates.
A61M 60/419 - Détails concernant l’entraînement des pompes pour le sang à déplacement non positif la force agissant sur l’élément en contact avec le sang étant magnétique permanente, p. ex. à partir d’un couplage magnétique en rotation entre un aimant d’entraînement et un aimant entraîné
A61M 60/422 - Détails concernant l’entraînement des pompes pour le sang à déplacement non positif la force agissant sur l’élément en contact avec le sang étant électromagnétique, p. ex. en utilisant des pompes à moteur à gaine
A61M 60/216 - Pompes pour le sang à déplacement non positif comportant un élément rotatif agissant sur le sang, p. ex. un impulseur
A61M 60/196 - Pompes ou dispositifs de pompage implantables, c.-à-d. que le sang est pompé à l’intérieur du corps du patient remplaçant l’ensemble du cœur, p. ex. cœurs artificiels totaux
15.
HIGH-EFFICIENCY MAGNETIC COUPLING AND LEVITATION PUMP
A high-efficiency magnetic coupling and levitation pump, comprising a stator body (1) and a volute (2) containing a rotor (5). The stator body (1) contains a magnetic levitation stator assembly (19) and a magnetic coupler stator assembly (20) therein. The rotor (5) contains a magnetic levitation rotor assembly (10) and a magnetic coupler rotor assembly (11) therein. The magnetic levitation stator assembly (19) and the magnetic levitation rotor assembly (10) constitute a magnetic levitation assembly, which generates a radial unipolar magnetic pole and magnetic field along the circumferential direction to levitate the rotor. The magnetic coupler stator assembly (20) and the magnetic coupler rotor assembly (11) constitute a magnetic coupler assembly, which generates a non-zero even number of radial periodic magnetic poles and magnetic fields along the circumferential direction to drive the rotor to rotate. When the magnetic levitation pump operates, the rotor is completely levitated under the action of magnetic field force, and has no any mechanical friction or shear with the stator during rotation; therefore, no dynamic seal is needed, and the reliability is high.
