EP3234967A1 - Dispositif et procédé de magnétisation d'aimants permanents - Google Patents

Dispositif et procédé de magnétisation d'aimants permanents

Info

Publication number
EP3234967A1
EP3234967A1 EP15781646.3A EP15781646A EP3234967A1 EP 3234967 A1 EP3234967 A1 EP 3234967A1 EP 15781646 A EP15781646 A EP 15781646A EP 3234967 A1 EP3234967 A1 EP 3234967A1
Authority
EP
European Patent Office
Prior art keywords
field
magnet
permanent magnet
guiding element
magnets
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP15781646.3A
Other languages
German (de)
English (en)
Other versions
EP3234967B1 (fr
Inventor
Diyap Bueyuekasik
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to RS20220333A priority Critical patent/RS63092B1/sr
Publication of EP3234967A1 publication Critical patent/EP3234967A1/fr
Application granted granted Critical
Publication of EP3234967B1 publication Critical patent/EP3234967B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F13/00—Apparatus or processes for magnetising or demagnetising
    • H01F13/003—Methods and devices for magnetising permanent magnets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]

Definitions

  • the invention is based on a device and a method for magnetizing permanent magnets according to the preamble of the independent claims.
  • devices for magnetizing permanent magnets which generate a magnetic field for magnetizing permanent magnets by means of electromagnetic coils.
  • the permanent magnet is positioned by a linear movement in the region of the switchable magnetic field.
  • the magnetic field of the electromagnetic coil is turned on by the electric coil is energized.
  • Such a device consumes a lot of electrical energy and requires a control for the electromagnetic coils and measurement technology for the electronic monitoring of the magnetizing currents.
  • Permanent magnets magnetized is needed, since at least one excitation magnet is used to generate the magnetizing field instead of the electromagnetic coils.
  • the permanent magnets are not magentic before magnetizing.
  • the permanent magnets before magnetizing are magnet blanks which have no magnetic field. Only by magnetizing will these become
  • the device points a first field guide element and a second field guide element.
  • the excitation magnet is arranged between the first field conducting element and the second field conducting element.
  • the second field-guiding element comprises a receptacle for the permanent magnet.
  • the permanent magnet can be arranged in the receptacle.
  • the receptacle may be slit-shaped or circular. It is also conceivable that the recording of the shape of the permanent magnet is reshaped, so that the permanent magnet can be arranged in the receptacle, and the walls of the permanent magnet is approximately parallel with the walls, which limit the receptacle and facing the permanent magnet. In this way, an optimal hold for the permanent magnet is ensured in the device.
  • the permanent magnet In order to magnetize the permanent magnets, it is necessary to enforce the permanent magnets with a magnetic field.
  • the magnetic field must be strong enough to magnetize the permanent magnet.
  • the permanent magnet is completely magnetized, and preferably magnetically saturated, which is characterized in that the permanent magnet is magnetized maximum. The magnetization is done by
  • the excitation magnet and the permanent magnet In order to conduct the magnetic field of the excitation magnet through the permanent magnet, the excitation magnet and the permanent magnet must be brought into a magnetization position, in which the magnetic field flows through the permanent magnet. For this purpose, the excitation magnet performs a relative movement.
  • the relative movement of the excitation magnet describes a circular path extending around the permanent magnet and thus extends along the circumferential direction. Thus, the excitation magnet moves relative to the inner field guide and the permanent magnet or the
  • the excitation magnet performs a relative circular movement.
  • the excitation magnet is thus movable relative to the field guide elements and the permanent magnet or the receptacle.
  • Permanent magnet is then relative to the exciter magnet in a
  • the first field guide is hollow cylindrical, while the second field guide is circular segment.
  • the second field-guiding element aligned with respect to the circumferential direction of the device.
  • the second field-guiding element is arranged in the first field-guiding element.
  • the second field-guiding element is inserted in the hohizylinderformigen first field-guiding element, so that the two field-guiding elements are arranged concentrically to one another.
  • the second field guide has a smaller radius than the first field guide.
  • the radially outer walls of the two field guide elements are at least
  • the second field-guiding element is enclosed by the first field-guiding element.
  • the axial length of the first field-guiding element is greater or smaller than the axial length of the second field-guiding element.
  • the field guide elements have the same axial length.
  • the wall of the first field-guiding element does not touch the wall of the second field-guiding element.
  • a space is formed which extends in the circumferential direction. This space has in the radial direction as a measure the amount of the difference of the radii of the opposite walls of the two field elements.
  • the space also extends in the axial direction.
  • the opposite walls of the two field guide elements can be nearly parallel.
  • the excitation magnet is circular ring segment-shaped.
  • the excitation magnet has a half-shell-like shape.
  • the excitation magnet extends in the axial direction.
  • the walls of the exciter magnet and the field guide elements are approximately parallel to each other.
  • the excitation magnet is located together with the first field guide in a movable assembly. It is also conceivable that the
  • the excitation magnet preferably has a small air gap to the
  • the exciter magnet is in
  • the first field guide is also in Circumferentially movable, and preferably performs a synchronous with the exciter magnet movement.
  • the excitation magnet and the first field guide are firmly connected to each other. It is possible that the exciter magnet a
  • the second field guide is stationary.
  • the excitation magnet also revolves around the stationary
  • the exciter magnet rotates around the permanent magnet and the second field-guiding element on a circular path.
  • the exciter magnet includes rare earth materials. It is conceivable that the exciter magnet contains neodymium-iron-boron. Such a field magnet is arranged concentrically with the other two field elements. The cylindrical symmetry of the two field-guiding elements and the exciter magnet proves to be advantageous for a
  • the excitation magnet is composed of a plurality of separate permanent magnetic magnetic elements, which are arranged side by side, and touch each other.
  • the separate magnetic elements are prism-shaped, and have a triangular or trapezoidal base. After assembly of the separate magnetic elements, these form a half-shell-like, circular ring segment-shaped excitation magnet of a plurality of separate magnetic elements. These adjacent magnetic elements are all magnetized in the same radial direction. The excitation magnet is magnetized in the radial direction.
  • a third field guide is provided.
  • the third field-guiding element is arranged in the second field-guiding element.
  • the third field-guiding element is arranged concentrically to the second field-guiding element.
  • the third field guide is cylindrical.
  • the third field-guiding element is arranged in the second field-guiding element such that its outer walls are mutually aligned
  • the third field-guiding element is arranged concentrically to the first and the second field-guiding element, and the third field-guiding element is arranged within the first and the second field-guiding element, the first and the second field-guiding element enclose the third field-guiding element.
  • the outer wall of the third field-guiding element is approximately parallel to the walls of the first and the second field-guiding element.
  • the third field-guiding element preferably consists of a cylinder, which is made of solid material.
  • the wall of the third field-guiding element is spaced from the wall of the second field-guiding element.
  • a gap is formed between the second and the third field guiding element.
  • the gap runs around the third field guide over the entire circumference.
  • the gap serves as a receptacle for a permanent magnet. In the recording a permanent magnet is fitted.
  • the permanent magnet has a half-shell-shaped form.
  • the permanent magnet is circular-segment-shaped.
  • permanent magnets in the gap or the recording which have a hollow cylindrical shape and are so-called ring magnets.
  • the recording must also be annular.
  • Such permanent magnets have a flat shape. Accordingly, the receptacle is slit-shaped and has no curvature. It is also conceivable to arrange rod-shaped magnets between the third and the second field-guiding element in the receptacle. The rods can do this
  • Field guide ensures a secure positioning of the permanent magnet. At the same time, an efficient magnetization of the permanent magnet is ensured, since the third field conducting element has a low leakage line of the magnetic field lines
  • the device has more than one exciter magnet.
  • the excitation magnets do not touch each other.
  • the exciter magnets are preferably annular segment-shaped, wherein the exciter magnets are arranged adjacent to each other with respect to the circumferential direction.
  • the individual excitation magnets can be composed of the magnetic elements - which, in contrast to the excitation magnets touch.
  • the exciter magnets do not touch. It is possible to have two or four or six exciter magnets between the first and the second
  • two excitation magnets are used when two magnetic blanks are to be magnetized.
  • Four excitation magnets are used when four permanent magnets are to be magnetized and six exciter magnets are used when six permanent magnets are to be magnetized.
  • magnetize only one permanent magnet with two exciter magnets The magnetic field lines of the two excitation magnets only pass through a permanent magnet.
  • more than two excitation magnets for the magnetization of a permanent magnet.
  • the excitation magnets are magnetized in the radial direction.
  • a pole in a magnet is characterized by its magnetization direction.
  • a ring magnet has at least two poles.
  • Such a ring magnet comprises two regions which have different - in particular radial - magnetization directions.
  • the number of poles represents the number of areas with different magnetization direction.
  • the second field guide consists of annular segment-shaped parts, which preferably extend in mansnchtung, and thus are schschalenformig.
  • the parts are arranged in calculatorsnchtung.
  • the parts do not touch each other and are arranged adjacent to each other with respect to the circumferential direction. This forms a cavity between the parts, wherein the cavity is arranged with respect to the designedsnchtung between two adjacent parts.
  • it is advantageous to adapt the number of parts of the second field-guiding element. It is conceivable to use two or four or six annular segment-shaped parts to build the second field guide.
  • the parts of the second Feldleitelements are arranged in memorisnchtung side by side, so that they are arranged adjacent to a circular line.
  • the same number of parts of the second field-guiding element are arranged in the device as there are exciter magnets. This means that if two permanent magnets are installed in the device, then two parts of the second field guide element are present. But it is also conceivable to arrange more parts of the Feldleitelements as permanent magnets in the device. It is also possible to arrange fewer parts of the second field-guiding element in the device, as it has permanent magnets. Furthermore, it is possible for the parts of the second field-guiding element to extend beyond the same angle in the circumferential direction
  • a pole in a magnet blank is generated by the magnetic field of one direction penetrating in a contiguous region.
  • the magnetic field is introduced into the region of the permanent magnet by at least one excitation magnet and preferably a part of the second field conducting element.
  • a part consists of at least two separate separate subunits.
  • the subunits are also not permanent magnetic and conduct magnetic fields well. If the subunits are assembled, they will be part of the second
  • an auxiliary magnet can be arranged in the cavity.
  • the auxiliary magnet is arranged with respect to the circumferential direction between two adjacent parts.
  • the auxiliary magnet is also in the radial direction in the same place as the parts, so that the auxiliary magnet extends over the same radius as the parts.
  • the auxiliary magnet is magnetized in the tangential direction with respect to the circumferential direction.
  • the third field guide serves as a receiving mandrel.
  • the mandrel is introduced into a pole housing of an electrical machine. At least one permanent magnet is arranged inside the pole housing.
  • the permanent magnet is located between the pole housing and the mandrel.
  • the pole housing is a pot-shaped and preferably metallic housing part of an electrical machine, on the radial inner wall magnets are arranged. These magnets can be attached to the
  • Inner wall of the pole housing are fixed before they are magnetized.
  • the magnetization of the permanent magnets can take place while they are arranged in the pole housing.
  • Pole housing can be done by gluing and / or retaining springs, wherein the retaining springs exert a force on the permanent magnets, so that they are pressed against the inner wall.
  • the force of the retaining springs is a spring force. Since the permanent magnets in the pole housing are not yet magnetized for the time being, it is possible to use them in the device and to realize this cost-effective manner mounted and finished pole housing with magnetized magnets for mass production. It is conceivable that the pole housing in the previously arranged in the device receiving arbor is put on. Thus, only the pole housing needs to be inserted into the device and taken out again after magnetization.
  • the third field guide is fixedly arranged in the device.
  • the third field guide is removable, so that the mandrel can be easily replaced. This has the advantage that a specific mandrel for different pole housing and permanent magnet mandrel can be inserted into the device. Another advantage is the possibility of the
  • Permanent magnet is placed on the mandrel. After putting on the
  • the pole housing is stripped with the permanent magnet of the mandrel and a pole housing with unmagnetized blanks placed again. If the device is equipped with a not yet magnetized permanent magnet, the excitation magnet performs a movement until the excitation magnet in a
  • the Permanent magnet performs a circular movement.
  • the circular movement extends in the circumferential direction of the device.
  • the movement is by the exciter magnet to the second
  • Permanent magnets stationary. When the excitation magnet is in the magnetization position, the magnetic field lines flow through the first field conducting element, the second field conducting element, the permanent magnet and the third field conducting element, so that a closed magnetic field path is formed. In this case, the permanent magnet is magnetized. After the permanent magnet is magnetized, the exciter magnet moves into a
  • the first field conducting element and the second field conducting element flows through the magnetic field.
  • the third Feldleitelement and the permanent magnets are not flowed through by the magnetic field when the excitation magnet is in the short-circuited position the magnetic field of the excitation magnet are short-circuited via the second field guiding element.
  • the permanent magnet is inserted into or removed from the device when the device is in the shorting position. This has the advantage that no forces acting on the permanent magnet while it is used or is taken out of the device. Similarly, the mandrel is inserted into the device when the exciter magnets are in the shorting position.
  • FIG. 1 a shows a cross-section of a two-pole device according to the invention with a pole housing with permanent magnets, the device being in the short-circuited position
  • FIG. 2 shows a cross-section of a four-pole device according to the invention in FIG.
  • FIG. 3 shows a cross-section of a six-pole device according to the invention in FIG.
  • a cross section of a device 10 according to the invention is shown.
  • the device 10 has a hollow-cylindrical first field-guiding element 101.
  • the first field-guiding element 101 is preferably closed in the circumferential direction 1.
  • the first field guide 101 extends in the axial direction 2
  • Field guide 101 is annular and extends in a closed manner in
  • the first field guide 101 has a recess in the middle, which extends in the axial direction 2.
  • the recess in the first field guide 101 is preferably cylindrical, so that the hollow cylindrical first
  • the Field guide 101 is hollow.
  • the first field-guiding element 101 has a wall thickness in the radial direction 3.
  • the first field-guiding element 101 serves to conduct one Magnetic field 120.
  • the magnetic field 120 is conducted substantially in the circumferential direction 1 in the wall of the first field-guiding element 101.
  • this means that the magnetic field 120 also has field components that do not point in the circumferential direction 1 but in the radial direction 3 and axial direction 2.
  • the magnetic field 120 is directed substantially in the circumferential direction 1 within the first field conducting element 101.
  • the exciter magnets 1 10 are arranged within the first Feldleitelements 101 .
  • the exciter magnets 110 are half-shell-shaped, and therefore have a trough-shaped form.
  • the exciter magnets 1 10 are circular segment-shaped and extend in the circumferential direction 1 and in the axial direction 2.
  • Exciter magnet 1 10 is approximately parallel to the radially inwardly directed wall of the first field guide 101. In this case, the exciter magnet 1 10 extends in the axial direction 2 along the first field guide 101. In this case, the exciter magnet 1 10 the same length or longer or shorter than the first field guide 1 with respect to the axial direction 2 be. The excitation magnets 1 10 are magnetized in the radial direction 2. How to guide the
  • Excitation magnets 1 10 their magnetic field 120 in the first field guide 101 a.
  • Exciter magnets 10 are arranged in the first field-guiding element 101 such that they are movable in the circumferential direction 2. As a result, it is the excitation magnet 1 10 possible to move in the circumferential direction 1 on a circular path 1 1 1.
  • the excitation magnets 110 circulate the axis of rotational symmetry of the first field-guiding element 101.
  • the excitation magnets 110 move on a circular path 11. In this case, it is particularly advantageous if the excitation magnets 110 and the first field-guiding element 101 jointly move on the path 1 1 1.
  • the exciter magnets 10 are in a fixed arrangement with the first field-conducting element 101, and preferably contact them with their radially outward-facing side, so that with respect to the radial direction 2 the wall of the outside of the exciter magnet 110 and the wall of the inside of the first flux-conducting element 101 touch. It is also conceivable that only the excitation magnets 1 10 along the radially inner wall of the first
  • the exciter magnets 110 preferably comprise
  • the two exciter magnets 1 10 in Fig.1a and Fig. 1b do not touch.
  • the two excitation magnets 1 10 are in
  • the parts 1020 of the second field-guiding element 102 are arranged in the first field-guiding element 101.
  • the parts 1020 of the second field-guiding element 102 are arranged in the first field-guiding element 101.
  • the parts 1020 extend in the circumferential direction 1 and in the axial direction 2 as well as in the radial direction 3.
  • the parts 1020 may be the same length or shorter or longer than the excitation magnets 110 or the first field conducting element 101.
  • the parts 1020 of the second field-guiding element 102 are concentric with the
  • Excitation magnet 1 10 and the first field guide 101 arranged.
  • the radially outer walls of the parts 1020 are arranged opposite to the radially inner walls of the exciter magnets 110 and the first field-guiding element 101.
  • the walls are almost parallel to each other.
  • the field-guiding elements 101, 102 are metallic and conduct magnetic fields 120.
  • the magnetic field 120 which is generated by the
  • Exciting magnet 1 10 is passed through the first field guide 101 - as a kind of magnetic return ring - and through the second field guide 102.
  • the second field-guiding element 102 is stationary.
  • the first field guide 101 performs together with the excitation magnet 1 10 a circular movement ..
  • Exciter magnets 1 10 are positioned in a short-circuit position 21 1 in Fig.1.
  • the magnetic field flows through the first field conducting element 101 and the second field conducting element 102.
  • the magnetic field 120 flows through the second field conducting element 102 and the first field conducting element 101 substantially at
  • a third field conducting element 103 Concentric with the first field conducting element 101, the excitation magnet 110 and the second field conducting element 102, a third field conducting element 103 is arranged, wherein the third field conducting element 103 is cylindrical. In this case, the radially outer wall of the third field-guiding element 103 faces the walls of the first and second field-guiding elements 101, 102. The walls of the Feldleitimplantation 101, 102, 103 are nearly parallel to each other.
  • the third field-guiding element 103 serves as a receiving mandrel 1030 for a pole housing 202 of an electrical machine, wherein permanent magnets 201 are arranged within the pole housing 202. The permanent magnets 201 are fixed to the inner wall of the pole housing 1030. The attachment of the
  • Permanent magnets 201 within the pole housing 202 by gluing or by mechanical fasteners, such as clips or clips that exert a spring force on the permanent magnets 201, so that they against the inner wall of the Polgeophuses 202 are pressed. These clips, clips and the adhesive are not shown.
  • the device 10 is suitable for magnetizing bipolar pole housings 202. Therefore, two excitation magnets 1 10 and two parts 1020 of the second
  • a gap 203 is formed.
  • the permanent magnets 201 together with the pole housing 202 are arranged.
  • the third field-guiding element 103 is also stationary.
  • the third field element 103 is not traversed by the magnetic field 120.
  • the magnetic field 120 thus does not flow through the permanent magnets 201.
  • the third field conducting element 103 can be removed from the device 10.
  • the third field-guiding element 103 when it is taken out of the device 10, can be equipped with the pole housing 202 containing the permanent magnets 201.
  • Field guide element 103 which serves as a receiving mandrel 1030, postponed, so that the receiving mandrel 1030 is disposed within the pole housing 202.
  • the permanent magnet 201 is arranged between the wall of the pole housing 202 and the wall of the receiving mandrel 1030.
  • the wall of the permanent magnet 201 and the wall of the receiving mandrel 1030 are almost parallel.
  • the receiving mandrel 1030 and the permanent magnets 201 preferably touch one another.
  • the receiving mandrel 1030 with the pole housing 202 with permanent magnets 201 placed thereon is reinserted into the device 10.
  • the radially outer wall of the pole housing 202 which faces the parts 1020 of the second field-guiding element 102, is approximately parallel to the wall of the parts 1020.
  • the pole housing 202 and the parts 1020 of the second field-guiding element 102 touch each other the gap 203 as a receptacle 20 for the permanent magnets 201.
  • the third field-guiding element 103 can not be removed from the device 10, so that the pole housing 202 with the permanent magnets 201 is inserted into the device 10 and is thereby placed on the third field-guiding element 103 already arranged in the device 10 ,
  • the bipolar device 10 of Fig.1a is shown in the magnetization position 210 .
  • the magnetization position 210 is an exciter magnet 1 10 only one of the parts 1020 of the second Feldleitiatas 102 directly opposite, while in the short circuit position 21 1, an exciter magnet 1 10 two parts 1020 directly opposite , so that the two excitation magnets 1 10 are magnetically connected by the two parts 120.
  • the exciter magnets 1 10 shorted by the parts 1020.
  • the magnetic field lines 120 from an exciter magnet 1 10 over a portion 1020 of the second Feldleitides 102 to the opposite excitation magnet 1 10 flow without the permanent magnets 201 or the third field element 103 to flow.
  • the magnetic field lines 120 extend through the first field guide element 101 on the one hand and through the second field guide element 102, the permanent magnets 201 and the third field guide element 103, by the one hand
  • Permanent magnets 201 leads. Between the parts 1020 of the second Feldleitelements 102, a cavity 1021 is arranged. The cavity 1021 extends in
  • the cavity 1021 is in the radial direction 3 at the same height as the parts 1020. In short-circuit position 21 1, the cavity 1021 is bridged by an exciter magnet 1.
  • Magnetization position 21 1 are the gap 1 13 between two excitation magnets 1 10 and the cavity 1021 radially adjacent. Thus, the cavity 1021 is not bridged.
  • FIG. 2 shows a cross section of a further device 10 according to the invention.
  • the device 10 is shown in demopoliger execution. Instead of having two excitation magnets 1 10 as in FIGS. 1 a, b, the device in FIG. 2 has four exciter magnets 1 10.
  • the excitation magnets 1 10 are magnetized in the radial direction 3.
  • Opposing excitation magnets 110 are each polarized in the opposite direction, so that their magnetic field lines 120 repel each other while they extend in the radial direction 2 towards the center of the device 10. With one polarity in the same direction, the field lines 120 flow from one exciter magnet 110 to the other and penetrate into it. But it is also conceivable that the excitation magnets 1 10 are polarized in the same direction.
  • the second field-guiding element 102 has four parts 1020.
  • an auxiliary magnet 1 12 is arranged in the cavity 1021.
  • the auxiliary magnet 1 12 is stationary.
  • the auxiliary magnet 12 comprises rare earth materials and is known in
  • the auxiliary magnet 1 12 can also be used in the bipolar device 10 of Figure 1 are used.
  • the four-pole device 10 from FIG. 2 is equipped with a pole housing 202 which has four permanent magnets 201.
  • the permanent magnets 201 are arranged inside the pole housing 202 as well as in FIG.
  • the device 10 has six
  • the permanent magnets 201 are made of ferrite material. However, it is also possible to use permanent magnets 201 made of rare earth materials.
  • the Feldleitiata 101, 102, 103 are preferably made of solid material. The material is not permanent magnetic, but magnetically conductive. It is conceivable that the field guide elements 101, 102, 103 consist of electrical sheets. Such a field-guiding element 101, 102, 103 constructed of electric sheets has a laminated structure. The advantage of a laminated structure is given by the low magnetic leakage scattering.
  • the field guide elements 101, 102, 103 are not permanently magnetic, but they conduct a magnetic flux well.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • External Artificial Organs (AREA)

Abstract

L'invention concerne un dispositif et un procédé destinés à magnétiser au moins un aimant permanent, le dispositif comprenant un premier élément conducteur de champ et un second élément conducteur de champ. Selon l'invention, entre le premier et le second élément conducteur de champ, se trouve au moins un aimant d'excitation et dans le second élément conducteur de champ se trouve un logement pour l'aimant permanent, l'aimant d'excitation étant mobile par rapport aux éléments conducteurs de champ et l'aimant permanent sur une trajectoire circulaire autour de l'aimant permanent, de telle sorte qu'un champ magnétique de l'aimant d'excitation magnétise l'aimant permanent dans une position de magnétisation.
EP15781646.3A 2014-12-15 2015-10-19 Dispositif et procédé de magnétisation d'aimants permanents Active EP3234967B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RS20220333A RS63092B1 (sr) 2014-12-15 2015-10-19 Uređaj i postupak za magnetisanje stalnih magneta

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014225900.2A DE102014225900A1 (de) 2014-12-15 2014-12-15 Vorrichtung und Verfahren zum Magnetisieren von Permanentmagneten
PCT/EP2015/074076 WO2016096190A1 (fr) 2014-12-15 2015-10-19 Dispositif et procédé de magnétisation d'aimants permanents

Publications (2)

Publication Number Publication Date
EP3234967A1 true EP3234967A1 (fr) 2017-10-25
EP3234967B1 EP3234967B1 (fr) 2022-02-16

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Application Number Title Priority Date Filing Date
EP15781646.3A Active EP3234967B1 (fr) 2014-12-15 2015-10-19 Dispositif et procédé de magnétisation d'aimants permanents

Country Status (6)

Country Link
EP (1) EP3234967B1 (fr)
KR (1) KR20170094219A (fr)
CN (1) CN107004490B (fr)
DE (1) DE102014225900A1 (fr)
RS (1) RS63092B1 (fr)
WO (1) WO2016096190A1 (fr)

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ES2848830T3 (es) 2017-04-27 2021-08-12 Bard Access Systems Inc Sistema de guiado para guiar la inserción de una aguja en el cuerpo de un paciente que comprende un sistema de magnetización para conjuntos de agujas
CN110277214A (zh) * 2019-07-26 2019-09-24 宁波尼兰德磁业股份有限公司 超高用磁场磁回路
EP3799086B1 (fr) * 2019-09-25 2024-03-27 Grundfos Holding A/S Dispositif de magnétisation basé sur un aimant permanent
CN114451995A (zh) 2020-11-09 2022-05-10 巴德阿克塞斯系统股份有限公司 磁化器及相关系统

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CN107004490A (zh) 2017-08-01
CN107004490B (zh) 2019-12-20
WO2016096190A1 (fr) 2016-06-23
KR20170094219A (ko) 2017-08-17
DE102014225900A1 (de) 2016-06-16
EP3234967B1 (fr) 2022-02-16
RS63092B1 (sr) 2022-04-29

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