WO2014124800A1 - Elektrisches übertragerbauelement - Google Patents
Elektrisches übertragerbauelement Download PDFInfo
- Publication number
- WO2014124800A1 WO2014124800A1 PCT/EP2014/051525 EP2014051525W WO2014124800A1 WO 2014124800 A1 WO2014124800 A1 WO 2014124800A1 EP 2014051525 W EP2014051525 W EP 2014051525W WO 2014124800 A1 WO2014124800 A1 WO 2014124800A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- leg
- contacting
- wire
- center
- center leg
- 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.)
- Ceased
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/263—Fastening parts of the core together
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/06—Coil winding
- H01F41/08—Winding conductors onto closed formers or cores, e.g. threading conductors through toroidal cores
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
- H01F3/14—Constrictions; Gaps, e.g. air-gaps
Definitions
- the invention relates to an electrical transformer component that can be used, for example, in the circuit of an ultrasonic echo distance sensor in automotive engineering.
- Ultrasonic echo distance sensors are used in automotive technology in parking assistance / parking assistance systems for distance measurement between a vehicle and an object.
- a circuit of an ultrasonic echo distance sensor may have a transformer component with which in a transmission phase a high alternating voltage which briefly excites the ultrasonic echo distance sensor to a thickness oscillation. In the transmission phase following reception phase in the high ⁇ impedance of the echo signal by the Sprinterbauelement in a low, the receiving circuit of the sensor circuit angepass- te impedance is transformed, whereby the smallest signals themselves can be detected by the circuit noise.
- the usual chhold comprises a disc made of piezoelectric ceramics, wherein ⁇ game as lead zirconate titanate, may thus.
- the low DC resistance of the primary winding of the transformer component ensures in the receiving mode of the circuit lowest possible noise in the amplifier stage, which amplifies the usually very weak received signal.
- Al ternatively ⁇ , systems are used in which the received signal can be taken directly on a piezoelectric sensor.
- With circuits that have an EP transformer for example se use an EP5 / EP6 transformer, only small ranges, such as ranges of 3 m, can be achieved. This is generally also sufficient for parking assistance / parking assistance systems. Due to the limited Reichwei ⁇ te such transformers are generally not usable for distance warning while driving. Any increase in ultrasound echo distance sensors, which could increase the achievable range, is ever ⁇ but not possible in the automobile due to the available space.
- An embodiment of such an electrical transformer component is specified in claim 1.
- a method for producing such an electrical transformer component is specified in claim 14.
- a further method for producing such an electrical transformer component is specified.
- the electrical transformer component comprises a center leg having first and second end portions and a middle portion disposed between the first and second end portions. Furthermore, the electrical transformer component has an outer leg with a holding device for holding the center leg on the outer leg.
- the transformer ⁇ component is at least one of the first and second Endab- Section of the middle leg held on the holding device of Au ⁇ Hzschenkels. At least a part of the surface of the central portion of the center leg is directly wound with at least two wires.
- the outer leg may be formed as a one-piece body having a bottom surface and at least one side wall.
- the bottom surface and the at least one side wall are arranged such that the one-piece body is formed as a hollow body with a cavity.
- the hollow body or cavity is open on the side opposite the bottom surface, so that the cavity is formed between the bottom surface and the at least one side wall.
- the center leg can be wound directly with the at least two wires, where ⁇ at least a first of the at least two wires Pri ⁇ märwicklung and at least a second of the at least two wires form the secondary winding of the Sprinterbauelements.
- a transformer component designed in this way can be used in an existing circuit of a distance sensor as a replacement for conventional EP transformers without the need for changes to the existing application circuit. Compared to the use of EP transformers, however, significantly longer ranges can be achieved when using distance sensors with the specified electrical transformer component due to the higher saturation limit of the transformer component compared to an EP transformer. Achieve transformer.
- the transformer component has an embodiment of a bobbin.
- the bobbin comprises a contacting device for contacting a first of the at least two wires and a further contacting device for contacting a second of the at least two wires.
- a flange is arranged at the Kunststofftechniksein- directions.
- a support element is arranged between the two flanges, by means of which the two flanges and thus also the two contacting devices are connected to one another.
- the contacting devices, the flanges and the support element can have the same material.
- the center leg is arranged between openings of the flanges and rests with a central portion on the support element.
- the end sections of the middle leg can be glued to the contacting ⁇ facilities .
- the central portion of the center leg may be fixed via an adhesive connection with the support element.
- the support element is designed such that a part of the surface of the central portion of the center leg rests on the support element. A second part of the surface of the middle section of the middle leg does not lie on on the support element.
- the electrical transformer component comprises a bobbin having a central tube, which is arranged between two contacting devices for anterminating the wires of a primary and secondary winding and for applying a voltage to the wires.
- the central tube can be formed from a first hollow cylinder and a second hollow cylinder, wherein the two hollow cylinders are connected via at least one material web.
- the web between the first and second hollow cylinder is not formed as a hollow cylinder, but has, for example ⁇ only at least one segment of a hollow cylinder. If the web comprises a plurality of segments of a hollow cylinder, the segments are arranged such that an air gap exists between them.
- the first hollow cylinder may be connected to a first contacting means for applying a voltage to the wire of the primary winding and the second hollow cylinder may be connected to a second contacting means for applying a voltage to the wire of the secondary winding.
- the central limb can be inserted into the thus formed with ⁇ telrohr.
- the middle section of the center leg is wound un ⁇ indirectly with the at least two wires except for that section which lies under the bridge.
- the wires are arranged on the two hollow cylinders.
- the at least two wires of the primary and secondary windings of the transformer component are wound in the present transformer element in the region between the first and second hollow cylinder directly on the center leg.
- the cross section of the wires to be wound of the primary and secondary windings can be increased compared to an EP transformer component, which results in a lower resistance.
- the higher number of turns can be compared to an EP transformer fürtragerbauimplantation with higher inductance ferti ⁇ .
- an air can be cleaved between the center leg and the outer leg ver ⁇ be enlarged. This also increases the storage capacity of the core.
- FIG. 1A core halves of an EP transformer
- FIG. 1B shows a bobbin for an EP transformer
- Figure 2 shows an embodiment of an outer leg of a
- FIG. 3A shows an embodiment of a contacting device with a center leg and an embodiment of an outer leg
- FIG. 3B shows an embodiment of an electrical transformer component
- FIG. 3C shows an embodiment of an outer leg with a middle leg
- FIG. 4 shows an embodiment of an outer leg of an electrical transformer component
- FIG. 5A shows an embodiment of an electrical transformer component
- Figure 5B shows an embodiment of an outer leg with a
- FIG. 6 shows an embodiment of a contacting device with a center leg with an air gap
- Figure 7 shows an embodiment of a bobbin with flanges since ⁇ union
- FIG. 8 shows a further embodiment of a bobbin with interrupted central tube
- Figure 9 shows an embodiment of a method for herstel ⁇ len an electric Kochtragerbauelements
- FIG. 10 shows a further embodiment of a method for
- Transformer components for distance sensors are not sufficiently inexpensive to produce on the basis of toroidal cores due to the indispensable required air gap.
- Interference fields entering the ring core of the transformer from the outside are divided un ⁇ evenly, so that altogether no longer compensating voltages would be induced.
- electrical transformer components with EP design in ⁇ example EP5 / EP6 transformer used.
- Figure 1A shows an embodiment of a core for an EP transmitter.
- the core comprises two core halves, a first core half has an inner leg 10a and an outer leg ⁇ IIa. Another core half has a center leg 10b and an outer leg IIb.
- FIG. 1B shows a bobbin 12 for the EP transformer.
- the bobbin has a contacting device 1210 and a contacting device 1220.
- the contacting devices include contact elements 1230 for applying a voltage to wires, not shown in FIG. 1B, of a primary and secondary winding of the transformer, which can be wound onto a center tube 1250 of the bobbin.
- Contact elements 1240 serve to terminate the wires and are connected to the contact elements 1230 inside the contacting devices 1210, 1220.
- the bobbin has side panels / flanges 1260, 1270 at both ends of the central tube 1250. The side members prevent the separate wires of the primary and secondary windings wound on the center tube 1250 from slipping sideways from the center tube.
- the finished EP transformer thus has two mutually mirror-symmetrically designed half-shell-shaped cores, for example of ferrite, with center leg, which are interconnected.
- the wires of the primary and secondary windings are wound on the bobbin 1250 inside the shell-shaped cores IIa, IIb.
- an ASIC-integrated push-pull stage drives the two primary windings of an EP5 / EP6 transformer.
- the driver can be realized with an Ii bridge and only one primary winding.
- the Se ⁇ kundärwicklung the transformer has a higher number of turns than the primary windings.
- the secondary winding drives a piezoelectric transducer with a high voltage corresponding to the Windungsiere tone.
- the inductance of the secondary winding also forms with the parasitic capacitance of the piezoelectric element a parallel resonant circuit, which oscillates for example at a frequency of approximately 50 kHz.
- the circuit drives a piezo loudspeaker only for a short time.
- the receive amplifier in the ASIC is connected to the primary windings / primary winding. Echoes or noise generate in the piezoelectric sensor, a signal with low amplitude, which is filtered by the secondary inductance of the EP transformer and the parasitic capacitance of the piezoelectric element and reduced by the Windungsiere2020 of the transformer reduces the receiving amplifier in the ASIC low impedance and thus extremely low noise supplied.
- the two-part Haibschalenkern magnetic interference fields are led to a significant part of the ferrite directly through the center leg.
- the air gap of the core is in one of the two central limbs 10a, sanded 10b, however, the unavoidable residual air gap which leads to the outer leg to that the magnetic resistance at the Au ⁇ .schenkel is only about 10- to 50-fold lower than that of the central leg and thus magnetic interference fields are guided in part by the center leg and in the windings an interference voltage is induced.
- the achievable sound pressure determines the maximum achievable Reich ⁇ wide a distance sensor / sonar system / sonar system to a decisive extent.
- Figure 2 shows an embodiment of an outer leg 110a of an electrical transformer component 1.
- the outer leg is formed as a one-piece body with a bottom surface 112 and at least one side wall.
- the one-piece body is hollowed out in its interior such that side walls 113, 114, 115 and 116 are arranged at right angles to each other.
- Hollow body may also have another shape, for example a shape with a cylindrical side wall.
- a cavity 117 is formed in the one-piece body.
- the cavity is open at the opposite side of the bottom surface 112.
- the outer leg 110a has a holding device 111 for holding a center leg of the electrical transformer component.
- the holding device 111 may be provided on the at least one side wall of the outer leg 110a.
- the retaining device 111 includes a support member 1112a Ulla and a retaining member.
- the side walls are formed such that the holding member Ulla is formed in the side wall 113 and the holding member 1112a is formed in the side wall 114.
- the holding elements Ulla and 1112a can each be easilybil ⁇ det as a groove in the side wall 113 and 114.
- the side walls 113 and 114 are arranged opposite each other in the outer leg 110a shown in FIG.
- Each of Be ⁇ tenpur has an inner surface 1113, 1114, facing the cavity 117, and an outer surface A113, A114, which is remote from the cavity 117, on.
- the groove Ulla rela- se 1112a extends from the respective inner surface 1113 or 1114 of the side surfaces 113 and 114, respectively, to the respective outer surface A113 and A114 of the side surfaces 113 and 114, respectively.
- Figure 3A shows a center leg 100 of the electrical transformer component having end portions 101, 102 and a middle portion 103 disposed between the two end portions.
- the middle leg may be formed as a rod core in the embodiment of the transformer component explained in FIG. 3A and in all other embodiments of the transformer component.
- ⁇ telschenkel is at its end portions 101, fixed on each of a contacting device 140, 150 102nd On the middle leg 100 and in particular on the middle From ⁇ section 103 of the center leg can be at least two wires wound immediately.
- the at least two wires may comprise at least a first wire of a primary winding and at least one second wire of a secondary winding.
- the contacting device 140 has a contact element 141 for contacting the at least one first wire of the primary winding.
- FIG. 3A shows the outer leg 110a described with reference to FIG. After winding the center leg 100 with the electrical conductor 121 of the primary winding and the electrical conductor 122 of the secondary winding of the Outer leg 110a placed on the contacting devices 140 and 150 such that the end portion 101 of ⁇ ⁇ leg is arranged in the holding element Ulla of the outer leg and the end portion 102 of the center leg in the holding member 1112a.
- an air gap is here and in all other embodiments of the Mattertragerbauelements generally a distance between two adjacent materials to understand that acts like a magnetically filled gap with air. However, the gap does not need to be filled with air. There may also be other materials in the gap that act magnetically or in terms of magnetic flux, such as an air-filled gap.
- an adhesive may be arranged in the air gap between the holding element Ulla and the end section 101 of the center leg 100 and in the air gap between the end section 102 of the center leg 100, by which the respective end sections of the center leg are fixed to the respective holding elements.
- materials with low permeability for example, a permeability of 0, 1 ⁇ ⁇ 200, be present.
- the adhesive may contain, for example, iron powder.
- FIG. 3B shows the finished electrical transformer component 1 with the center leg 100 held in the holding device 111, which is connected to the at least one first wire 121 of the primary märwicklung and the at least one second wire 122 of the secondary winding in the region of the central portion 103 is wound.
- the contacting devices 140 and 150, on which the center leg 100 is fixed, rest on the side walls 113, 114 of the outer leg 110a.
- the middle leg 100 is approximately ⁇ means at the end portion 101 with the Gir Gire- 140 and 102 at the end portion taktismes perceived 150 connected to the con-.
- an adhesive 130 for example a UV-curing adhesive, can be applied to the end sections 101, 102 of the center leg 100.
- adhesive 130 can be applied to the surface of the holding device 111 and in particular to the holding elements Ulla, 1112a.
- the adhesive bridges an air gap LS between the center leg 100 and the outer leg ⁇ 110a. After curing of the adhesive 130, the middle leg 100 is fixedly connected to the outer leg 110a.
- FIG. 3C shows by way of illustration the outer leg 110a already shown in FIG. 2, which is designed in the form of a shell core or a cap, and the center leg 100.
- the center leg 100 is held in the retaining elements 111a and 1112a of the retaining device 111.
- the holding elements Ulla and 1112a are formed as recesses in the side walls 113 and 114 of the outer leg 110a ⁇ .
- the adhesive may be ge ⁇ filled for example with iron powder.
- the contacting devices 140 and 150 are not shown in FIG. 3C.
- FIG. 4 shows a further embodiment of an outer leg 110b.
- the outer leg is similar to Figure 2 ge ⁇ shows executed in the form of a cup core or a core ⁇ cap.
- the outer leg 110b has a holding device 111 for holding the center leg 100 on the outer leg.
- the Hal- te driving 111 includes a holding member 1111b which is formed as egg ⁇ ne recess in the side wall 113 of the outer leg 110b.
- the holding device 111 comprises a holding element 1112b, which is formed as a depression in the side wall 114 of the outer leg 110b.
- the depressions or recesses 1111b, 1112b in the side walls 113, 114 of the outer leg 110b are not open to the respective outer surfaces A113, A114 of the side walls 113, 114. Instead, the recesses 1111b, 1112b respectively extend from the inner surface 1113, 1114 of the respective side walls 113, 114, which faces the cavity 117, to a depth that less than the thickness of the side walls 113, 114 is in the respective side walls 113, 114th
- FIG. 5A shows an electrical transformer component 2 after placing the outer leg 110b onto the one with a wire
- the middle leg 100 is fastened at its end sections 101, 102 to the contacting devices 140 and 150.
- the contacting device 140 has a contact element 141 for terminating the wire 121 wound onto the middle limb 100 and a contact element 142 for applying a voltage to the wire 121.
- the contacting device 150 has a contact element 151 for terminating the wire 122 and a contact element 152 for applying a voltage to the wire
- FIG. 5B shows, for illustrative purposes, the middle limb 100 held in the holding elements 1111b, 1112b.
- the central leg 100 may be formed such that is present between the bearing surface of the middle leg 100 ⁇ on the support members 1111b, 1112b of the outer leg 110b ⁇ a gap LS.
- Between the Au .schenkel 110b, and end faces of S101 / S102 of the end portions 101/102 of the center leg can also be a gap EXISTING ⁇ .
- the two gaps may be filled with an adhesive 130 or a material having low permeability beispielswei ⁇ se a permeability of 0.1 ⁇ ⁇ 200.
- In the adhesive can, for example iron, for example egg ⁇ senpulver be included.
- the transducer can therefore gen more power transferred, thereby increasing at an ultrasound echo distance sensor, the sound pressure of the piezoelectric element and the overall ⁇ system of ultrasound echo distance sensor can detect more distant objects. Furthermore, in the case that the available space in the application of an ultrasonic echo distance sensor is to be reduced, the same performance characteristics as in EP transmitters can be achieved.
- a high-saturation material can be used for the middle leg.
- the material of the center leg may be stronger than the saturation Ma ⁇ TERIAL of the outer leg.
- a high-saturation ferrite material can be used for the middle leg and a high-permeability ferrite material for the outer leg.
- an air gap may be present in the middle leg.
- the air gap can be designed as a real air gap be. Such an embodiment will be explained in more detail later with reference to FIG.
- the air gap can also be realized by using a suitable material for the middle leg.
- the middle leg can be made of an iron powder and the outer leg of Fer ⁇ rit. If the center leg contains a material made of iron powder, an air gap is formed over the length of the central leg , which is formed between the individual iron powder granules of the iron powder.
- the outer leg 110a, 110b is realized in one piece in the form of a housing or a core cap / solid shell.
- the rod-shaped center leg 100 is preferably shorter than the length of the housing or as the ma ⁇ ximum distance between the lateral boundary surfaces of the recesses 1111b, 1112b, whereby external interference fields are preferably performed by the outer leg 100b and thus almost no or only a very small
- FIG. 6 shows an embodiment of a contacting device 140 with contact elements 141 for contacting the wire 121 and with contact elements 142 for applying a voltage to the wire 121 of the primary winding and having a contact element 142
- Contacting device 150 with contact elements 151 for contacting the wire 122 of the secondary winding and with contact elements 152 for applying a voltage to the wire 122.
- the contacting device 140 has a laterally arranged on her flange 160 and the contacting device 150 on a laterally arranged on her flange 170.
- the two flanges each have an aperture 161 be ⁇ relationship, an opening 171 through which the middle leg 100 is so inserted between the two flanges that the end portion 101 of the center leg 100 on the contacting device 140 and the end portion 102 of the middle leg on the Contacting device 150 rest.
- the two end sections 101 and 102 of the central leg 100 can be fixed to the respective contacting devices 140 and 150, for example, by means of an adhesive 130.
- 100 has the center leg to the embodiment shown in Figure 6 ⁇ execution form an air gap LS.
- the middle leg thus has two halves 100a and 100b, which are coupled by the air gap LS.
- the air gap ⁇ need not be filled with air, but may contain another material to the guide of the magneti ⁇ rule flux through the center limb acts as a reference in ge ⁇ air filled gap. In fact, in the gap, for example, a plastic material may be arranged.
- Half 100a of the middle leg 100 is fixed to the device PLEASE CONTACT ⁇ approximately 140th Half 100b of the center ⁇ leg 100 is fixed to the contacting 150th Around the two halves 100a and 100b of the center
- an adhesive 130 may be provided in the gap LS.
- the air gap in the middle leg provides better immunity to interference.
- the portion of the center leg disposed between the flanges 160 and 170 is wound directly with the wires 121 and 122.
- the side flanges 160 and 170 are formed such that lateral slippage of the wires 121, 122 is prevented by the center leg 100.
- FIG. 7 shows an embodiment of a bobbin 200 that can be used together with the center leg 100 and the outer leg 110a, 110b to construct the electrical transformer component.
- the bobbin 200 has a contacting device 140 for applying a voltage to the wire 121, which can be wound for example as a primary winding around the ⁇ telschenkel, and a contacting device 150 for applying a voltage to the wire 122, for example, as a secondary winding can be wound around the middle thigh.
- the contacting devices 140 for applying a voltage to the wire 121, which can be wound for example as a primary winding around the ⁇ telschenkel
- a contacting device 150 for applying a voltage to the wire 122, for example, as a secondary winding can be wound around the middle thigh.
- a flange 160 and on the contacting device 150 a flange 170 is arranged in each case laterally.
- the support element 180 is both flange disposed Zvi ⁇ rule 160 and 170th
- the Aufla ⁇ geelement 180 may be as part of a wall of a Hohlzylin ⁇ DERS formed.
- the support element 180 may for example be formed as a half of the central tube 1250 shown in Figure 1B, and can for example have a semi-circular cross-section ⁇ .
- the contacting devices 140 and 150, the side flanges 160 and 170 and the support element 180 may, for example, be made of the same material.
- the center leg 100 is inserted through the Publ ⁇ voltages 161, 171 of the flanges 160, 170 and arranged on the support element 180th
- the support element 180 so ⁇ as the part of the surface of the central leg, which rests not directly on the support element, are subsequently ⁇ walked wound with the wires 121, 122nd
- the side flanges 160 and 170 are formed so as to prevent lateral slippage of the wires 121, 122 from the wound support member 180 and the wound portion of the center leg 100.
- the outer leg 100a or 100b is placed on the coil ⁇ body 200 and fixed to the bobbin, in particular with the contacting devices 140, 150, by an adhesive bond.
- FIG. 8 shows an embodiment of a bobbin 300 that can be used together with the middle leg 100 and the outer leg 110a, 110b to construct the electrical transformer component.
- the bobbin 300 has a contacting device 140 for applying a voltage to the wire 121 and a contacting device 150 for application a voltage to the wire 122 on.
- the contacting devices 140, 150 each include a contact element 141, 151 for terminating the respective electrical conductors 121, 122 on the bobbin, and a contact element 142, 152 for applying a voltage to the electrical conductors 121, 122.
- the bobbin 300 comprises a central tube 190, which is arranged between the contacting device 140 and the contacting device 150.
- the central tube 190 has a hollow cylinder 191 and a hollow cylinder 192 which are interconnected via at least one material web 193a, 193b.
- the at least one web of material can be formed as Minim ⁇ least a segment of a hollow cylinder.
- the width of the at least one material web 193a, 193b extending in the circumferential direction of the hollow cylinders 191, 192 is less than the circumference of the hollow cylinders 191, 192.
- the area of the at least one material web 193a, 193b is less than the outer surface of each of the hollow cylinders.
- a plurality of webs are arranged between the two hollow cylinders, the webs are unconnected to one another, so that between their longitudinal sides, the duri ⁇ fen in the longitudinal direction of the central tube 190, each having an air gap is present.
- two webs 193a, 193b are arranged between the two hollow cylinders.
- the hollow cylinders 191 and 192 are connected via the two webs 193a, 193b arranged between the hollow cylinders 191, 192.
- the hollow cylinder 191 is fixedly connected to the contacting device 140.
- the hollow cylinder 192 is firmly connected to the contacting device 150.
- the contacting devices 140, 150 and the center tube 190 may be made of the same material, for example.
- the center leg is inserted into the Publ ⁇ voltages 194, 195 of the central pipe 190,100.
- the co telrohr 190 is then connected to the wires 121, 122 bewi ⁇ oped.
- the surfaces of the middle limb which are located after arranging the middle limb in the central tube between the two webs 193a, 193b, are wound directly with the wires 121, 122.
- the outer leg 110a or 110b is placed on the center leg 100 and the bobbin 300 and fixed with the center leg 100 and the bobbin 300 ⁇ example, by an adhesive bond.
- the two wires are wound on a first part of the central portion of the center leg.
- This first part of the middle section of the middle leg lies after the insertion of the middle leg into the central tube 190 between the webs 193a, 193b.
- a second and third part of the central portion of the center leg are surrounded by the hollow cylinders 191 and 192.
- the first part of the central portion of the middle leg is wound directly with the wires.
- the wires are wound on the outer surfaces of the hollow cylinders 191 and 192.
- the bobbin 300 has no lateral flanges at the lateral ends of the two hollow cylinders 191 and 192.
- the central tube is interrupted by the two webs 193a, 193b.
- the coil body 300 of the winding body 300 increases in size. Spaces compared to the embodiment of the bobbin 12th
- an outer leg according to one of the embodiments ⁇ forms 110 a or 110 b and the center leg 100, on the support element 180 or in the broken center tube 190 of the bobbin 200, 300 is arranged to be used, the winding space compared to an EP transmitter with completely continuous central tube, as shown in Figure 1B, significantly increased.
- the winding technique used in EP transformers can be maintained.
- the middle leg 100 and the support element 180 relationship ⁇ , the two hollow cylinders 191, 192 can be wound, for example by means of a "flyer".
- Another Mög ⁇ friendliness is to enable the bobbin 200, 300 itself in rotation, so that the bobbin itself, the wires 121, 122 wound on the central portion 103 of the middle ⁇ leg.
- FIG. 9 indicates an embodiment of a method for producing an electrical transformer component 1, 2 according to FIGS. 3B and 5A.
- a center leg 100 having end sections 101, 102 and a middle section 103 arranged therebetween is initially provided.
- the center leg 100 is formed as a rod-shaped core.
- an outer leg 110a or an outer leg 110b is provided as a one-part component having a bottom surface 112 with opposite side walls 113, 114, each having a recess Ulla, 1112a or 1111b, 1112b.
- the outer thigh 110a, 110b is formed as a cup-shaped core similar to an EP design, but without center leg.
- the savings ⁇ Ulla, 1112a and 1111b, 1112b may be located at the point where the center leg is located in EP cores.
- the middle leg 100 and the outer leg 110a, 110b can be made of the same soft magnetic ⁇ material.
- a first contacting device 140 for contacting a first wire 121 and for applying a voltage to the first wire 121 and a second contacting device 150 for contacting a second wire 122 different from the first wire are provided.
- the contacting devices 140 and 150 are unconnected to one another.
- the contacting devices 140 and 150 may each have two rows of pins.
- the pins may be U-shaped and be embedded in the material of the contacting devices, so that the ends of the pins protrude from the material.
- the ends of the pins form the contact elements 141, 142 and 151, 152, respectively.
- step Bl the contacting device is fixed to the end portion 101 of the center leg 100 and the Kunststoff ⁇ t ists prepared 150 at the end portion 102 of the central schenkeis 100 140th
- the contacting device 140 and 150 can be glued, for example, with both end portions 101, 102 of the center leg. This can preferably take place in a device in which ideally several nests are present and which simultaneously serves as a transport receptacle.
- the center leg 100 is wound with the wires 121 and 122.
- the middle thigh 100 can preferably be wound with a flyer.
- pre-produced center leg can be inserted with their glued contacting devices in a winding tool.
- the winding tool can have two plates of translucent material. For example, sheets of silicone that are translucent at a wavelength between 350 nm to 410 nm can be used. The two plates can be moved together and apart.
- UV adhesive can be applied to the sides bounding the winding space. This can also be done continuously during the course of winding with the aid of a felt wetted with adhesive.
- the winding and termination of the wires 121, 122 to the contact elements 141, 151 can be done by means of flyer and safety gear. As a result, the wires 121, 122 can be connected to the contacting devices 140, 150.
- UV-curing adhesive may be applied to the wound be ⁇ middle leg in order to increase the mechanical ⁇ specific rigidity of the coil. From behind the translucent plates located flash lamps or UV LEDs can be briefly radiated very intense light with high UV content, causing instantaneous curing of UV adhesive, which is exposed to light. The winding ⁇ tool can now be opened and the wound core can be removed.
- step Dl follows a soldering process in which the wires terminated to the contact elements 141, 151 are soldered to the contact elements.
- step El the wound core is placed in a test socket which the secondary winding with a Indukt foundedsmess réelle in ⁇ game as an LCR meter, electrically connects.
- step F1 adhesive is applied to the end portions 101, 102 of the center leg 100 and / or to the respective recess Ulla, 1112a or 1111b, 1112b of the side walls 113, 114 of the outer leg 110a, 110b.
- a step Gl the end sections 101, 102 of the middle leg are inserted into the respective recess Ulla, 1112a of the outer leg 110a or into the respective Ausspa ⁇ tion 1111b, 1112b of the outer leg / shell core 110b ⁇ by the outer leg 110a, 110b on the means ⁇ leg 100 or the middle leg 100 on the outer leg / shell core 110a, 110b is moved.
- the shell core 110a, 110b can be motor-mounted on the wound center leg 100. During the movement of the center leg 100 or the outer leg 110a, 110b, an inductance of the wire 122 of the secondary winding can be measured.
- the movement of the center leg 100 or the outer leg 110a, 110b is stopped when the ge ⁇ metered inductance reaches a predetermined target value.
- the applied adhesive bridged at this time be ⁇ already the air gap between the central leg and shell core. However, the adhesive is still in the liquid state.
- step Hl curing of the adhesive Zvi ⁇ rule takes place to the end portions 101, 102 of the center leg and the respective recess Ulla, 1112a or 1111b, 1112b of the outer leg.
- a UV flash of light from a UV-LED array, or a flash lamp can be used, for example, to cure the adhesive instantaneously.
- FIG. 10 indicates an embodiment of a method for producing an electrical transformer component with a coil body 200 or 300.
- the center leg 100 is provided with the end portions 101, 102 and a middle portion 103 interposed therebetween.
- the middle leg may be formed, for example, as a rod-shaped core.
- the outer leg 110a or 110b is provided as a one-piece component having a bottom surface 112 with opposite side walls 113, 114, each having a recess Ulla, 1112a or 1111b, 1112b.
- the outer leg 110a, 110b may be provided as a cup-shaped core, similar to an EP design, but without a central leg.
- the recess may be provided at the point at which the center leg is located in EP cores.
- the tel ⁇ telschenkel 100 and the outer leg 110a, 110b may be made of the same soft magnetic material.
- the bobbin 200 is provided with a support element 180 for receiving the center leg 100, as shown and described with reference to FIG.
- the bobbin 200 further comprises a contacting device 140 for contacting with at least one first wire 121 and for applying a voltage to the at least one first wire and a contacting device 150 for contacting with at least one second wire 122 and for applying a voltage to the at least a second wire.
- the two contacting means have contact elements 141, 151 for contacting or Anter ⁇ minieren the respective wires 121, 122 to the respective contacting means 140, 150 and contact elements 142, 152 for applying a voltage to the respective wires 121, 122.
- a first flange 160 and at the second contacting device 150, a second flange 170 is arranged. Between the first and second flange, a support element 180 is arranged for placing the central limb 100, wherein the support element 180 is formed such that when placing the middle jaw on the support element, a first part of a Ober ⁇ surface of the central portion 103 of the center leg 100 on the support element 180 rests and a second part of the surface of the central portion 103 of the center leg 100 does not rest on the support element 180.
- the middle portion is of 103.
- ⁇ telschenkels 100 on the support element 180th The first part of the surface of the central portion of the ⁇ telschenkels can be glued to the support element.
- the support element 180 and the second portion of the surface of the central portion 103 of the middle leg ⁇ 100 are wound with the first and second wire 121, the 122nd After the winding process, the wires 121, 122 are connected to the respective contact elements 141, 151 of the contacting devices 140, 150.
- soldering process step D2 in which the wire ends anterminated to the contact elements 141, 151 are soldered to the contact elements.
- a step E2 of the thus wound core is placed in a test ⁇ pickup, which with a Induk ⁇ triossmess réelle the secondary winding, such as an LCR meter, electrically connects.
- a step F2 an adhesive is applied to the End portions 101, 102 of the middle leg and / or on the respective recess Ulla, 1112 a and 1111 b, 1112 b of the outer leg 110 a and 110 b introduced ⁇ .
- the adhesive may be a UV-curing adhesive.
- a step G2 the end portions 101, 102 of the center leg 100 in the respective recess Ulla, 1112a or 1111b, 1112b of the outer leg are introduced by the center leg is moved to the outer leg or Au ⁇ Hzschenkel on the center leg until the With ⁇ telschenkel is arranged in the recesses.
- the outer leg can be placed, for example, motor on the wound center leg.
- an inductance of the wire 122 of the secondary Wick ⁇ lung is measured.
- the movement of the center leg 100 Bezie ⁇ hung example of the outer leg 110a, 110b is stopped when the measured inductance reaches a predetermined target value.
- the adhesive bridges at this time be ⁇ already the air gap between the center leg 100 and the outer leg 110.
- the adhesive is initially but still in a liquid state.
- the curing of the adhesive Zvi ⁇ rule is carried out to the end portions 101, 102 of the center leg and the respective recess Ulla, 1112a or 1111b, 1112b of the side walls 113, 114 of the outer leg 110.
- a UV-curing adhesive for example, a UV light flash from a UV LED array or a flash lamp can be used, which cures the adhesive instantaneously.
- acrylates, and epoxy resins for example, dual ⁇ curing can be used.
- Anaerobic adhesives cure by varying environmental conditions. This includes contact with metal ions, exposure to UV light, and heating the adhesive to a temperature. Free metal ions are found in particular on surfaces of ferrite workpieces.
- the curing of uncrosslinked adhesive residues can either take place with increasing time or be accelerated by contamination of the splices by metal ions, in particular by copper ions. Furthermore, the curing can take place by storage of the finished components at temperatures of 100 ° C or higher temperatures for a few minutes.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Manufacturing & Machinery (AREA)
- Coils Or Transformers For Communication (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Coils Of Transformers For General Uses (AREA)
Abstract
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/765,798 US20150380150A1 (en) | 2013-02-12 | 2014-01-27 | Electric Transformer Component |
| JP2015556449A JP6298833B2 (ja) | 2013-02-12 | 2014-01-27 | 電子トランス素子 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013101364.3 | 2013-02-12 | ||
| DE102013101364.3A DE102013101364B4 (de) | 2013-02-12 | 2013-02-12 | Elektrisches Übertragerbauelement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2014124800A1 true WO2014124800A1 (de) | 2014-08-21 |
Family
ID=50002757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2014/051525 Ceased WO2014124800A1 (de) | 2013-02-12 | 2014-01-27 | Elektrisches übertragerbauelement |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20150380150A1 (de) |
| JP (1) | JP6298833B2 (de) |
| DE (1) | DE102013101364B4 (de) |
| WO (1) | WO2014124800A1 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2548652B1 (es) * | 2014-04-16 | 2016-06-02 | Premo S.L. | Dispositivo para la formación de una bobina toroidal y método para la formación de una bobina toroidal |
| US9799442B1 (en) * | 2014-08-18 | 2017-10-24 | Universal Lighting Technologies, Inc. | Magnetic core structures for magnetic assemblies |
| DE102015122244B9 (de) * | 2015-12-18 | 2024-05-02 | Tdk Electronics Ag | Anordnung zur Kompensierung von in einem Übertrager induzierten Störspannungen |
| CN112927894B (zh) * | 2021-02-02 | 2022-04-29 | 天长市超威电子有限公司 | 基于多脚支撑的电子变压器用升降式安装架 |
| DE102024203143A1 (de) * | 2024-04-08 | 2025-10-09 | Zf Friedrichshafen Ag | Wickelvorrichtung für einen Stromrichter eines Fahrzeugs und Verfahren zum Herstellen einer Wickelvorrichtung |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5198790A (en) * | 1992-04-27 | 1993-03-30 | Toledo Commutator Co. | Electrical transducer |
| EP2549493A2 (de) * | 2011-07-22 | 2013-01-23 | SUMIDA Components & Modules GmbH | Längenvariabler Spulenkörper und induktives Bauelement |
Family Cites Families (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3007125A (en) * | 1958-02-20 | 1961-10-31 | Gen Electric | Inductive device |
| US3134467A (en) * | 1961-09-26 | 1964-05-26 | Illinois Tool Works | Transformer mounting clip and assembly |
| US3371301A (en) * | 1966-11-07 | 1968-02-27 | Tdk Electronics Co Ltd | Magnetic core unit |
| US3750069A (en) | 1972-02-22 | 1973-07-31 | Coilcraft Inc | Low reluctance inductor |
| JPS5628727Y2 (de) * | 1977-02-17 | 1981-07-08 | ||
| JPS5972116A (ja) | 1982-10-18 | 1984-04-24 | Nippon Ferrite Ltd | 丸棒と角型キヤツプとのペアインダクタ− |
| DE3337416A1 (de) | 1983-10-14 | 1985-04-25 | Draloric Electronic GmbH, 8672 Selb | Elektrisches bauelement und verfahren zu seiner herstellung |
| JPH0737292Y2 (ja) * | 1988-03-23 | 1995-08-23 | ティーディーケイ株式会社 | ラインフイルタ用分割型ボビンとこの分割型ボビンを使用するラインフイルタ |
| JPH03113809U (de) * | 1990-03-08 | 1991-11-21 | ||
| JP3091475B2 (ja) | 1990-06-29 | 2000-09-25 | ティーディーケイ株式会社 | インダクタンス高精度コイル装置 |
| JP3197606B2 (ja) * | 1992-05-07 | 2001-08-13 | ティーディーケイ株式会社 | インダクタンス可変型コイル装置 |
| DE4217434A1 (de) | 1992-05-26 | 1993-12-02 | Siemens Ag | Elektrisches Bauteil |
| US5345209A (en) * | 1992-07-30 | 1994-09-06 | Tdk Corporation | Adjustment system for a coil device |
| JP2607110Y2 (ja) * | 1992-09-24 | 2001-04-16 | ミネベア株式会社 | 漏洩磁束の少ない磁心 |
| ATE154159T1 (de) * | 1992-10-22 | 1997-06-15 | Siemens Matsushita Components | Induktives elektrisches bauelement |
| JPH07230919A (ja) * | 1994-02-15 | 1995-08-29 | Fuji Elelctrochem Co Ltd | 巻線部品 |
| US6362713B1 (en) | 1994-10-19 | 2002-03-26 | Taiyo Yuden Kabushiki Kaisha | Chip inductor, chip inductor array and method of manufacturing same |
| DE9417495U1 (de) | 1994-11-07 | 1995-01-05 | Vogt Electronic Ag, 94130 Obernzell | Zweiteiliger Kern aus magnetischem Material |
| JPH09199343A (ja) * | 1996-01-22 | 1997-07-31 | Fuji Elelctrochem Co Ltd | 巻線部品 |
| US5731666A (en) * | 1996-03-08 | 1998-03-24 | Magnetek Inc. | Integrated-magnetic filter having a lossy shunt |
| US6144280A (en) * | 1996-11-29 | 2000-11-07 | Taiyo Yuden Co., Ltd. | Wire wound electronic component and method of manufacturing the same |
| US6642827B1 (en) * | 2000-09-13 | 2003-11-04 | Pulse Engineering | Advanced electronic microminiature coil and method of manufacturing |
| US6501362B1 (en) * | 2000-11-28 | 2002-12-31 | Umec Usa, Inc. | Ferrite core |
| WO2002089156A1 (en) * | 2001-04-26 | 2002-11-07 | Coilcraft, Incorporated | Surface mountable electronic component |
| WO2003010784A1 (en) | 2001-07-25 | 2003-02-06 | Pulsus Technologies Inc. | Magnetic core for inductor |
| JP4336810B2 (ja) * | 2001-08-15 | 2009-09-30 | 大同特殊鋼株式会社 | 圧粉磁心 |
| US6690255B2 (en) * | 2002-02-21 | 2004-02-10 | Coilcraft, Incorporated | Electronic component |
| US20120062207A1 (en) * | 2002-12-13 | 2012-03-15 | Alexandr Ikriannikov | Powder Core Material Coupled Inductors And Associated Methods |
| US7598837B2 (en) * | 2003-07-08 | 2009-10-06 | Pulse Engineering, Inc. | Form-less electronic device and methods of manufacturing |
| US7135949B2 (en) * | 2004-07-15 | 2006-11-14 | Tyco Electronics Corporation | Transformer or inductor containing a magnetic core having abbreviated sidewalls and an asymmetric center core portion |
| JP4803645B2 (ja) * | 2004-08-05 | 2011-10-26 | スミダコーポレーション株式会社 | 磁気素子 |
| JP4343871B2 (ja) | 2005-04-27 | 2009-10-14 | Tdk株式会社 | コイル部品 |
| CN100442402C (zh) * | 2005-11-16 | 2008-12-10 | 安泰科技股份有限公司 | 具有优良高频性能的铁基非晶合金粉末、磁粉芯及其制备方法 |
| JP4279858B2 (ja) | 2006-07-26 | 2009-06-17 | スミダコーポレーション株式会社 | 磁性素子 |
| US8018310B2 (en) * | 2006-09-27 | 2011-09-13 | Vishay Dale Electronics, Inc. | Inductor with thermally stable resistance |
| JP2010165857A (ja) * | 2009-01-15 | 2010-07-29 | Canon Inc | トランス、スイッチング電源装置及びdc−dcコンバータ装置 |
| JP2012084776A (ja) | 2010-10-14 | 2012-04-26 | Hosiden Corp | 表面実装型閉磁コイル |
| JP6127365B2 (ja) * | 2011-04-28 | 2017-05-17 | 住友電気工業株式会社 | リアクトル、複合材料、リアクトル用コア、コンバータ、及び電力変換装置 |
| US8624697B2 (en) | 2011-06-20 | 2014-01-07 | Curie Industrial Co., Ltd. | Assembling magnetic component |
-
2013
- 2013-02-12 DE DE102013101364.3A patent/DE102013101364B4/de active Active
-
2014
- 2014-01-27 US US14/765,798 patent/US20150380150A1/en not_active Abandoned
- 2014-01-27 JP JP2015556449A patent/JP6298833B2/ja not_active Expired - Fee Related
- 2014-01-27 WO PCT/EP2014/051525 patent/WO2014124800A1/de not_active Ceased
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5198790A (en) * | 1992-04-27 | 1993-03-30 | Toledo Commutator Co. | Electrical transducer |
| EP2549493A2 (de) * | 2011-07-22 | 2013-01-23 | SUMIDA Components & Modules GmbH | Längenvariabler Spulenkörper und induktives Bauelement |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102013101364A1 (de) | 2014-10-30 |
| US20150380150A1 (en) | 2015-12-31 |
| JP6298833B2 (ja) | 2018-03-20 |
| JP2016507161A (ja) | 2016-03-07 |
| DE102013101364B4 (de) | 2023-02-02 |
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