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WO2006016554A1 - Réacteur - Google Patents

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Publication number
WO2006016554A1
WO2006016554A1 PCT/JP2005/014515 JP2005014515W WO2006016554A1 WO 2006016554 A1 WO2006016554 A1 WO 2006016554A1 JP 2005014515 W JP2005014515 W JP 2005014515W WO 2006016554 A1 WO2006016554 A1 WO 2006016554A1
Authority
WO
WIPO (PCT)
Prior art keywords
conductive case
rear tuttle
core
heat conductive
component
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
Application number
PCT/JP2005/014515
Other languages
English (en)
Japanese (ja)
Inventor
Kensuke Maeno
Ryo Nakatu
Norihiko Nanjo
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.)
Tamura Corp
Original Assignee
Tamura Corp
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 Tamura Corp filed Critical Tamura Corp
Priority to JP2006531623A priority Critical patent/JPWO2006016554A1/ja
Publication of WO2006016554A1 publication Critical patent/WO2006016554A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • H01F27/08—Cooling; Ventilating
    • H01F27/22—Cooling by heat conduction through solid or powdered fillings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F37/00—Fixed inductances not covered by group H01F17/00
    • 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
    • H01F27/02—Casings
    • H01F27/04—Leading of conductors or axles through casings, e.g. for tap-changing arrangements
    • 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
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/32—Insulating of coils, windings, or parts thereof
    • H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
    • H01F27/325—Coil bobbins

Definitions

  • the present invention relates to a reactor having a structure that can efficiently dissipate heat generated by a core and a coil.
  • Rear tuttles are used in a wide variety of applications.
  • Typical rear turtles include series rear turtles that are connected in series to the motor circuit to limit the current during a short circuit, parallel rear turtles that stabilize the current sharing between the parallel circuits, and machines that are connected to this by limiting the current during the short circuit.
  • Current limiting reactor to protect, starting reactor to limit starting current by connecting in series with motor circuit, shunt reactor to compensate for phase reactive power and suppress abnormal voltage connected in parallel to transmission line, neutral point
  • the neutral point rear tutor is used to limit the ground fault current that flows when a power system ground fault occurs, and the arc generated when a one-line ground fault occurs in a three-phase power system is automatically extinguished. There are arc extinguishing rear tuttle.
  • FIG. 1 is a perspective view of a conventional rear tuttle.
  • the conventional rear tuttle 10 shown in FIG. 1 is used in an electric circuit of a device having a forced cooling means.
  • the wire 2 is wound around the bobbin 4 and the rod core 9 shown in FIG.
  • the filler 8 is poured and fixed.
  • the lead 5 has the conductor 2 stripped off to expose the conductor, and a crimp terminal (not shown) is provided to connect to other electrical components.
  • the notch 12 for the lead portion of the heat conductive case 1 is formed so that the lead portion 5 and the heat conductive case 1 do not interfere with each other, and the heat conductive case 1 is generally made of metal.
  • an insulator is inserted into notch 12 for the lead part.
  • the rear tuttle fixing holes 13 at the four corners of the heat conductive case 1 are screw holes for fixing the heat conductive case 1 to, for example, a forcedly cooled housing.
  • FIG. 2 is an exploded perspective view of a conventional rear tuttle.
  • the thermally conductive case 1 includes a thermally conductive case bottom surface 11 and a thermally conductive case bottom surface 14 formed with a step shallower than the thermally conductive case bottom surface 11.
  • the rear tuttle in Figure 1 is the bottom of the thermally conductive case Insulation sheet 7 is laid on 11, wire 2 is wound around bobbin 4, and core 9 is inserted into bobbin 4 to store the rear tuttle parts.
  • the bottom surface 11 of the heat conductive case 11 is in contact with the back surface (not shown) of the winding 2 of the rear tuttle component via the insulating sheet 7, and the bottom surface 14 of the heat conductive case is in contact with the block back surface 3ab of the core 9 described later. .
  • the insulating sheet 7 is inserted between the heat conductive case bottom 11 and the wire 2 in order to electrically insulate the heat conductive case 1 and the wire 2.
  • filling material 8 is poured, and the rear tuttle parts are fixed to 1 heat conductive case.
  • FIG. 3 is a perspective view of a bobbin wound around a conventional winding line.
  • the bobbin 4 has a partial force of the partition part 4a and the saddle frame part 4b.
  • the frame 4b is the part that winds the winding 2 and the core 9 is inserted.
  • the partition portion 4a is fixed in such a manner that the wire 2 wound around the frame portion 4b is sandwiched from both sides.
  • two hook frame portions 4b are provided.
  • the lead portion 5 which is the end portion of the winding 2 wound around the portion of the flange frame portion 4b is stripped of the coating of the winding 2, and the conductor is exposed.
  • the lead part 5 is provided with a crimp terminal (not shown) and connected to other electrical components.
  • FIG. 4 is a perspective view of a conventional rear tuttle component. This rear tuttle component is formed by inserting a core 9 into a bobbin 4 wound around a winding 2 in FIG.
  • the size of the rear tuttle component is increased by housing the rear tuttle component in the heat conductive case 1, fixing it with the filler 8, and forcibly cooling the heat conductive case 1 (for example, air cooling or water cooling). By dissipating the heat generated from the rear tuttle parts, the above temperature rise was reduced!
  • FIG. 5 is a perspective view of a conventional thermal conductive case
  • FIG. 6 is a cross-sectional view taken along the line AA in FIG. 7 is a cross-sectional view seen from the arrow BB in FIG. 5
  • FIG. 8 is a plan view of FIG.
  • the thermal conductive case 1 shown in FIGS. 5 to 8 has a depth greater than the height of the rear tuttle parts so that the rear tuttle parts shown in FIG. 4 can be accommodated, and has a plane that can correspond to the main parts of the rear tuttle parts.
  • the bottom surface 11 of the heat conductive case is processed.
  • the bottom surface 11 of the heat conductive case comes into contact with the back surface not shown by the shoreline 2 via the insulating sheet 7. Also, the heat conductive case bottom surface 14 is processed at a shallower position than the heat conductive case bottom surface 11.
  • the heat conductive case bottom surface 14 is in contact with a block back surface 3ab (see FIG. 9) of a magnetic block 3a of the core 9 described later, and supports the magnetic block 3a.
  • there are notches 12 for the lead part so that the lead part 5 and the heat conductive case 1 do not interfere with each other. Has been.
  • FIG. 9 is a perspective view of a conventional core
  • FIG. 10 is an exploded perspective view of the conventional core.
  • the conventional core 9 is formed of several magnetic blocks 3a and 3b and a sheet material 6 inserted as a magnetic gap between the blocks.
  • the shape of the core 9 is substantially ring-shaped, and the magnetic block 3b and the sheet material 6, which are the straight portions, are completely inserted into the rib frame portion 4b of the rear tail component shown in FIG. Yes.
  • the core 9 has two straight portions composed of the magnetic block 3b, and the wire 2 is wound around each straight portion through the collar frame portion 4b to obtain predetermined electrical characteristics.
  • the magnetic block 3a is connected to each straight portion, and the core 9 is formed in a substantially ring shape.
  • the block 3a is configured not to come off. Thereafter, the rear tuttle component is housed in the heat conductive case 1. Further, as described above, the heat conductive case 1 is covered with the heat conductive case bottom surface 14, and the heat conductive case bottom surface 14 comes into contact with the block back surface 3 ab of the magnetic block 3 a, so that the magnetic block 3 a The structure supports this. Thereafter, the filler 8 is poured and fixed so that the rear tuttle component does not move in the heat conductive case 1 (see, for example, Patent Document 1).
  • Patent Document 1 Japanese Patent Application Laid-Open No. 2003-124039 Disclosure of the invention
  • the bottom surface 11 of the heat conductive case is in contact with the winding 2 via the insulating sheet 7, so that the heat generated from the winding 2 is 2 Insulation sheet 7—Conducted with thermal conductive case 1 and dissipated from thermal conductive case 1. Further, the heat generated from the shoreline 2 was also conducted from the filler 8 filled for fixing the rear tuttle component to the heat conductive case 1 and was radiated from the heat conductive case 1.
  • the thermal conductivity of the insulating sheet 7 and the filler 8 is often lower than that of the thermal conductive case 1 and the magnetic blocks 3a and 3b.
  • the heat generated from the core 9 is likely to be efficiently dissipated because the bottom surface 14 of the heat conductive case and the core 9 are in contact with each other.
  • the heat conductive case The contact area between the bottom surface 14 of the core and the block back surface 3ab of the magnetic block 3a of the core 9 was not sufficiently obtained.
  • there was a force that did not take into account means such as pressing (pressing) the block back surface 3ab of the magnetic block 3a of the core 9 against the heat conductive case bottom surface 14, so that the filler 8 entered between them. The heat was not sufficiently conducted between them.
  • the heat generated from the core 9 was conducted in the order of the core 9, the filler 8, and the heat conductive case 1, and was dissipated from the heat conductive case 1.
  • the flow through which heat is conducted is described by connecting each component with “” in the order in which the heat is conducted.
  • the above mentioned heat flow is denoted as Core 9 Filler 8—Heat Conductive Case 1. Therefore, as in the case of the shoreline 2, it depends on the thermal conductivity of the filler 8 and is not efficiently dissipated.
  • the heat generated in the magnetic block 3b inside the bobbin is generated by the magnetic block 3b -sheet material 6 -magnetic block 3a -filling material 8 -thermally conductive case 1 and Conducted and dissipated heat from the thermally conductive case 1.
  • the heat conductivity of the sheet material 6 is low and heat is not efficiently dissipated, heat is easily generated inside the bobbin 4.
  • a rear tuttle includes a winding wire and a magnetic core, a rear tuttle component formed by winding the winding wire around the core, and the rear tuttle A rear turtle having a thermally conductive case for storing components, the first butt contact means for pressing the core of the rear turtle component against the inner surface of the thermally conductive case, wherein the core is at least one of the inner surfaces of the thermally conductive case. It is fixed by the first pressure contact means so as to be in surface contact with the surface.
  • the rear tuttle may further include a second press contact means for pressing the core against the bottom surface side of the heat conductive case.
  • a second press contact means for pressing the core against the bottom surface side of the heat conductive case.
  • the rear tuttle may further include an insulating sheet provided so as to be in contact with the winding portion of the winding of the rear tuttle component and the inner surface of the heat conductive case. As a result, heat generated in the winding can be conducted to the insulating sheet, and heat can be effectively conducted to the heat conductive case.
  • the shoreline may be a rectangular wire having a rectangular cross section, and the shoreline is arranged around the core so that the short direction of the cross section of the shoreline is the center direction. Make sure it is turned.
  • a rear tuttle includes a winding wire and a magnetic core, and houses a rear tuttle component formed by winding the winding wire around the core, and the rear tuttle component.
  • the insulation sheet that insulates between the ridge portion of the rear tuttle component and the inner surface of the thermal conductive case, and the rear tuttle component is stored in the thermal conductive case.
  • the insulating sheet has a thermal conductivity that is equal to or higher than the thermal conductivity of the filler. This The heat generated from the winding can be efficiently conducted to the thermally conductive case.
  • the thermally conductive case may be forcibly cooled. Thereby, the temperature of a heat conductive case can be cooled effectively.
  • the core is formed by combining at least two magnetic blocks through a magnetic gear, and a sheet material having a thermal conductivity substantially equal to the thermal conductivity of the magnetic block is magnetic. You may make it insert between the blocks of a magnetic body for gaps. Thereby, the temperature of a heat conductive case can be made lower than before, and the temperature inside a reactor can also be made lower than before.
  • the rear tuttle component is a rear tuttle component having a core formed by combining at least two or more magnetic blocks through a magnetic gap, and the magnetic block heat.
  • a sheet material having thermal conductivity substantially equal to the conductivity is inserted for the magnetic gap.
  • the rear tuttle of the present embodiment includes at least a winding wire 22 and a magnetic core 37, a rear tuttle component formed by winding the winding wire 22 around the core 37, and a heat for housing the rear tuttle component
  • a rear tuttle having a conductive case 30 is provided with first pressure contact means for pressing the core 37 of the rear tuttle component against the inner surface of the thermally conductive case 30, and the core 37 is provided on the inner surface of the thermally conductive case 30. It is fixed by the first pressure contact means so that it is in surface contact with at least one surface.
  • FIG. 11 is a perspective view of the rear tuttle of the present embodiment.
  • the rear tuttle component formed by inserting the core is housed in the heat conductive case 30 as shown in the bobbin 24 wound with the winding wire 22 as in the conventional case.
  • a terminal block 21 (to be described later) is fixed to the heat conductive case 30 with terminal block fixing screws 29 so that the core (not shown) and the heat conductive case 30 are in surface contact.
  • a rear tuttle component fixing screw 40 having a length equal to or longer than the depth of the rear tuttle component fixing screw hole 36 is inserted into the rear tuttle component fixing screw hole 36 processed in the heat conductive case 30 described later.
  • the core (not shown) is fixed so that it is in surface contact with the thermal conductive case 30.
  • the filler 28 is poured and fixed.
  • the filler does not permeate between the contact surface of the heat conductive case 30 and the core (not shown), and the heat generation of the core (not shown) is efficiently transmitted to the heat conductive case 30. Is able to.
  • the lead portion 25 has the conductor 22 peeled off and the conductor 22 exposed, and is connected to other electrical components and the like via the terminal block 21.
  • the rear tail fixing holes 33 at the four corners of the heat conductive case 30 are screw holes for fixing the heat conductive case 30 to, for example, a forcedly cooled casing.
  • FIG. 12 is an exploded perspective view of the rear tuttle of the present embodiment.
  • the insulating sheet 27 is laid on the bottom surface 31 of the heat conductive case 30, the wire 22 is wound around the bobbin 24, and the core 37 is inserted into the bobbin 24.
  • the rear tail parts formed in this way are stored.
  • the bottom surface 31 of the heat conductive case 31 is a back surface (not shown) of the wire 22 of the reactor component via the insulating sheet 27 and the bottom surface 34 of the heat conductive case 34 is a magnetic block 23 of the core 37 described later. Contact the back side of the block 23ab.
  • the insulating sheet 27 is inserted between the bottom surface 31 of the heat conductive case and the wire 22 in order to electrically insulate the heat conductive case 30 and the wire 22.
  • FIG. 13 is a perspective view of a bobbin obtained by winding a winding line according to the present embodiment.
  • the bobbin 24 also has a partial force of the partition portion 24a and the collar frame portion 24b.
  • the bobbin 24 according to the present embodiment has a structure in which the partition portion 24a and the collar frame portion 24b can be separated from the viewpoint of improving work efficiency.
  • the procedure for winding the winding wire 22 on the bobbin 24, which is useful in the present embodiment, will be briefly described. Two hook frame portions 24b are prepared, and the winding wire 22 is set on these hook frame portions 24b, so-called edgewise winding ( After winding as shown in FIG.
  • the wire 22 is a flat wire having a rectangular cross section. According to the edgewise winding method, the winding wire 22 is wound around the core 37 so that the short direction of the cross section of the winding wire 22 is the center direction. Note that the winding method of the winding wire 22 is not limited to the so-called edgewise winding method as long as winding is possible. Thereafter, a magnetic block 23b and a sheet material 26 of the core 37, which will be described later, are inserted into the collar frame portion 24b. In addition, the lead portion 25 which is the end portion of the winding wire 22 wound around the hook frame portion 24b is stripped of the coating of the winding wire 22 so that the conductor is exposed. The lead portion 25 is connected to other electrical components through the terminal block 21.
  • FIG. 14 is a perspective view of the rear tuttle component of the present embodiment.
  • the rear tuttle parts are formed. Only with this rear tuttle component, it is possible to satisfy the specified electrical specifications. However, when used in the electrical circuit of equipment with forced cooling means, heat exceeding the upper limit of the temperature rise determined by the heat resistance grade of the insulating material and the specification requirements is generated from the winding 22 and core 37 of the rear tuttle parts, This heat generation causes dielectric breakdown of the insulating material.
  • the wire 22 generates heat when excessive current flows with respect to the wire diameter of the wire, and the core 37 generates heat due to voltage, so if you try to keep the temperature of the rear tuttle parts below the upper limit above, It was necessary to increase the size of the tuttle parts. Therefore, the upper part of the temperature rise value is not exceeded by storing the rear tuttle parts in the heat conductive case 30, fixing with the filler 28, and forcibly cooling the heat conductive case 30 (for example, air cooling or water cooling). In this way, the temperature inside the rear tuttle component is kept below the upper limit of the temperature rise value.
  • FIG. 15 is a perspective view of the thermal conductive case of the present embodiment as viewed from the terminal block notch side force
  • FIG. 16 is a perspective view of the thermal conductive case of the present embodiment as viewed from the terminal block notch facing side.
  • FIG. 17 is a sectional view as seen from the arrow CC in FIG. 15
  • FIG. 18 is a sectional view as seen from the arrow DD in FIG. 15
  • FIG. 19 is a plan view of FIG.
  • the thermal conductive case 30 shown in FIGS. 15 to 19 has a depth that is more than the height of the rear tuttle parts so that the reactor parts shown in FIG.
  • the bottom surface 31 of the heat conductive case is processed.
  • the bottom surface 31 of the heat conductive case comes into contact with the back surface (not shown) of the wire 22 through the insulating sheet 27.
  • the heat conductive case bottom surface 34 is processed at a shallower position than the heat conductive case bottom surface 31.
  • the bottom 34 of the heat conductive case A magnetic block 23a of the core 37, which will be described later, is in surface contact with a block back surface 23ab (see FIG. 20) and supports the magnetic block 23a.
  • the heat conductive case side surface 35 is formed with a flat surface and a curved surface corresponding to the block side surface 23ac so as to be in surface contact with the block side surface 23ac (see FIG. 20) of the magnetic block 23a of the core 37.
  • reactor fixing holes 33 are formed in the four corners of the heat conductive case 30 in order to fix the heat conductive case 30 to a forcibly cooled housing or the like.
  • the heat conducting case side surface 35 and the block side surface 23ac (see FIG. 20) of the magnetic body block 23a of the core 37 to be described later are used to press-contact with the rear tuttle component fixing screw 40.
  • Rear tuttle parts Fixing screw holes 36 are machined. Further, in order to fix the terminal block 21 to the heat conductive case 30, the notch 41 including the edges 41a and 41b is processed, and the terminal block fixing screw hole 32 is processed on the edge 41b side.
  • FIG. 20 is a perspective view of the core of the present embodiment
  • FIG. 21 is an exploded perspective view of the core of the present embodiment.
  • the core 37 of this embodiment is formed of several magnetic blocks 23a and 23b and a sheet material 26 inserted as a magnetic gap between the blocks, as in the prior art.
  • the shape of the core 37 is substantially ring-shaped, and the magnetic block 23b and the sheet material 26, which are the straight portions, are completely inserted into the frame 24b portion of the rear tuttle component shown in FIG. Yes.
  • the core 37 has two straight portions, and the wire 22 is wound around the straight portions via the flange frame portion 24b to obtain predetermined electrical characteristics.
  • the magnetic block 23a is coupled to each straight line portion, and the core 37 is formed in a substantially ring shape.
  • the magnetic block 23a is not inserted into the rear frame part 24b of the rear tuttle component, and the force appears to be easily removed.
  • the block 23a is configured not to come off.
  • the rear tuttle component is housed in the heat conductive case 30. Note that after the adhesive is applied to the contact surface between the block 23a and the sheet material 26, the rear tuttle component is housed in the heat conductive case 30, and heat-cured after mounting the side force screws 40 and the terminal block 21 described later. good.
  • the thermal conductive case bottom surface 34 is covered with the thermal conductive case 30 and the rear tuttle component is stored in the thermal conductive case 30
  • the thermal conductive case bottom surface 3 4 is in contact with the back surface 23ab of the magnetic block 23a and supports the magnetic block 23a.
  • the filler 28 is poured, and the rear tuttle component is fixed in the heat conductive case 30 so that it does not move! /.
  • the thermal conductivity of the sheet material 26 inserted as a magnetic gap between the blocks of the core 37 is changed to the magnetic blocks 23a and 23b. It was almost equal. As a result, the heat generated in the magnetic block 23b inside the bobbin is transferred to the magnetic block 23b—the sheet material 26—the magnetic block 23a—the filler 28—the heat conductive case 30, and the heat conductive case 30b.
  • the thermal conductivity of the sheet material 26 is almost equal to the thermal conductivity of the surrounding magnetic block 23b, the magnetic block 23b of the core 37 generates heat inside the rear tuttle component. Even so, heat could be efficiently transferred to the magnetic block 23a, and the temperature inside the rear tuttle component could be reduced.
  • FIG. 22 is a perspective view of the terminal block according to the present embodiment
  • FIG. 23 is a perspective view when the terminal block of the rear tuttle according to the present embodiment is removed.
  • the terminal block 21 is fixed by fixing the terminal block fixing screw 29 to the terminal block fixing screw hole 32 of the heat conductive case 30 after housing the rear tuttle parts in the heat conductive case 30. is doing.
  • the terminal block 21 is processed so that the edges 41a and 4 lb of the notch 41 of the heat conductive case 30 shown in FIGS.
  • the back surface of the terminal block 21 also comes into contact with a block surface 23aa of a magnetic block 23a, which will be described later, only by the edge 41b of the notch 41, and by fixing the terminal block 21 to the heat conductive case, Block 23a is pressed downward.
  • the height of the edge 41b of the notch 41 of the thermal conductive case 30 is different from the height of the block surface 23aa of the magnetic material block 23a constituting the core 37. According to these heights, the back surface of the terminal block 21 is covered.
  • the terminal block 21 includes a terminal 42 made of a conductor and a pedestal 44 made of an insulating material.
  • the pedestal 44 contacts the heat conductive case 30 and the core 37, and the terminal 42 contacts the lead portion 25. To do.
  • the pedestal 44 has a lead groove 43 formed therein. This is because the height of the terminal 42 on the terminal block 21 is higher than the height of the lead portion 25, so the groove 43 for the lead portion is processed in the base 44 of the terminal block 21 according to the height of the lead portion 25, The lead portion 25 is inserted into the groove 43 for the lead portion.
  • the end portion of the lead portion 25 is bent upward, and FIG. As shown, the end of the lead part 25 is in contact with the terminal 42.
  • a terminal block screw hole 46 is formed in the terminal 42, and the terminal block screw hole 46 can be connected to other electrical components.
  • a crimp terminal must be used to connect to other electrical parts, etc. Space is required and work to connect crimp terminals is required. Therefore, in order to solve the above problems, the terminal block is fixed to the heat conductive case 30 so that it can be connected to other electrical parts without using the crimp terminals that were required in the past. Yes. In addition, it is not necessary to attach crimping terminals etc. to the lead part 25, leading to a reduction in work man-hours.
  • an insulator is inserted between the lead portion 5 and the cutout 12 of the heat conductive case 1 to insulate the lead portion 5 and the cutout 12 of the heat conductive case 1 from each other.
  • the lead portion 25 is covered with the terminal block 21 or the filler 28, and the distance between the lead portion 25 and the heat conductive case 30 is larger than that of the conventional case. Can be very wide and can improve safety.
  • the dimension between the terminals 42 is short and the creeping insulation distance according to the safety standard is not satisfied.Thus, by providing the protrusion 45, the creepage distance between the terminals 42 is increased and the safety standard is satisfied. The above creepage insulation distance is satisfied.
  • FIG. 24 is a cross-sectional view seen from the arrow EE in FIG. 11, and FIG. 25 is a cross-sectional view seen from the arrow FF in FIG.
  • the winding wire 22 is wound around the flange frame portion 24b of the bobbin 24 including the partition portion 24a and the flange frame portion 24b, and the flange frame portion 24b includes magnetic blocks 23a and 23b.
  • the rear tuttle component formed by inserting the magnetic material block 23b of the core 37 and the sheet material 26 is housed in the heat conductive case 30 together with the insulating sheet 27, and the first pressure contact means in the horizontal direction and the first vertical contact means.
  • the conductive case 30 is processed on the side surface on the terminal block side.
  • Reactor component fixing screws 40 are inserted into the reactor component fixing screw holes 36 from the outer surface of the heat conductive case 30, and the block side surface 23ac of the magnetic block 23a forming the core 37 is pressed.
  • the rear tuttle component is pressed against the terminal block facing side, and the block side surface 23ac on the terminal block facing side can be brought into close contact with the heat conductive case side surface 35.
  • the filler 28 even if the filler 28 is poured into the heat conductive case, the filler 28 does not permeate between the block side surface 23ac and the heat conductive case side surface 35 on the opposite side of the terminal block as in the conventional case. .
  • the block side surface 23ac on the opposite side of the terminal block and the heat conductive case side surface 35 remain in close contact with each other.
  • the heat can be efficiently radiated from the side surface 23ac to the heat conductive case side surface 35. Note that the surface that is in contact with the heat conductive case 30 is radiated to the heat conductive case 30 through the filler 28.
  • the heat conductive case 30 is shown in FIGS. Check the notch 41 and the terminal block fixing screw hole 32 on the 4 lb edge of the notch 41. Further, as shown in FIGS. 22 and 24, the back surface of the terminal block 21 is covered so as to contact the edges 41a and 41b of the notches 41 formed in the heat conductive case 30. Furthermore, after the rear tuttle parts are stored in the heat conductive case 30, the terminal block 21 is attached to the heat conductive case with the terminal block fixing screws 29.
  • the height of the step difference on the back surface of the terminal block 21 is adjusted so that the block surface 23aa of the magnetic block 23a on the base side is pressed.
  • the terminal block 21 By attaching the terminal block 21 to the heat conductive case 30 with the terminal block fixing screw 29, the block surface 23aa of the magnetic block 23a on the terminal block side is pressed.
  • the magnetic material block 23 a is pressed downward, and the block back surface 23 ab of the magnetic material block 23 a is brought into close contact with the heat conductive case bottom surface 34 of the heat conductive case 30.
  • the contact between the side surface 3ab of the magnetic block 3a on the terminal block side and the bottom surface 14 of the heat conductive case 14 was insufficient.
  • the filler 8 penetrated into the gap between the bottom surface 14 of the conductive case.
  • the back surface 23ab of the block 23a of the magnetic material on the terminal block side and the bottom surface 34 of the thermally conductive case are in close contact with each other.
  • the filler 28 could not penetrate between the block back surface 23ab and the heat conductive case bottom surface 34.
  • the back surface 23ab of the block and the bottom surface 34 of the heat conductive case remain in close contact with each other, so that the heat generated in the core 37 is also applied to the bottom surface 34 of the heat conductive case 23b. Heat can be radiated efficiently. Note that the surface that is V in contact with the heat conductive case 30 is radiated to the heat conductive case 30 via the filler 28.
  • FIG. 25 shows a cross-sectional view in the lateral direction of this embodiment.
  • the winding wire 22 is wound around the flange frame portion 24b of the bobbin 24 including the partition portion 24a and the flange frame portion 24b, and the magnetic body of the core 37 including the magnetic blocks 23a and 23b is formed on the flange frame portion 24b.
  • the rear tuttle component formed by inserting the block 23b and the sheet material 26 is housed in the heat conductive case 30 together with the insulating sheet 27, and is filled using the first horizontal pressing means and the second vertical pressing means.
  • the rear tuttle parts do not move in the thermally conductive case 30 until the filler 28 is solidified.
  • the cross section of the rear tuttle to which the reactor parts are fixed is shown.
  • the heat generated from the winding 22 is dissipated to the heat conductive case 30 through the insulating sheet 27 inserted between the winding 27 and the heat conductive case bottom 31.
  • the conventional insulation sheet 7 is inserted only to insulate the wire 2 from the heat conductive case 1 as shown in FIG. 2, and the heat conductivity of the conventional insulation sheet 7 is generated from the low wire 2.
  • the thermal conductivity of the insulating sheet 27 is set to be equal to or higher than the thermal conductivity of the filler 28 while maintaining the electrical characteristics of the insulating sheet 27 described above.
  • the heat generated from the winding 22 can be efficiently dissipated from the winding 22—the insulating sheet 27—the heat conductive case 30.
  • the winding wire 22 is wound around the core 37 by vertical winding, so that the heat generated in the core 37 can be radiated to the surroundings by the winding wire 22. Further, in this embodiment, the winding wire 22 is wound around the core 37 in a vertical winding.
  • the area in contact with the insulating sheet 27 having a large number of intervals between the windings 22 in the winding direction can be reduced.
  • the stray capacitance generated by the wire 22 sandwiching the insulating sheet 27 and the thermal conductive case 30 is proportional to the area of the wire 22 in contact with the insulating sheet 27 and inversely proportional to the thickness of the insulating sheet 27. To do.
  • the contact area between the wire 22 and the insulating sheet 27 can be reduced as described above, the stray capacitance generated by the wire 22 sandwiching the insulating sheet 27 and the heat conductive case 30 can be reduced. Can be reduced as compared with the case where the winding is wound horizontally. Furthermore, since the stray capacitance can be reduced in this way, the noise energy proportional to the stray capacitance can be reduced. Note that, on the surface of the winding 22 that is not in contact with the insulating sheet 27, heat is radiated to the heat conductive case through the filler 28.
  • FIG. 26 is a cross-sectional view after the rear tuttle of the present embodiment is attached to the cooling device.
  • the rear tuttle of this embodiment is attached to the cooling device, and the heat conductive case 30 is cooled.
  • the temperature of the heat conductive case 30 can be lowered, and the heat generated by the rear tuttle components housed inside can be dissipated more than before.
  • heat generated from the core 37 and the winding wire 22 can be efficiently conducted to the heat conductive case 30 and radiated from the heat conductive case 30. Therefore, heat generated inside the reactor can be efficiently conducted, and if the temperature rise value of the conventional rear tuttle is the same, the outer dimension of the rear tuttle of the present embodiment can be reduced compared to the conventional one. Can do.
  • the first press contact means for pressing the core 37 against the inner surface of the heat conductive case 30 the rear tuttle component fixing screw hole 36 and the rear tuttle component fixing screw 40 are used as the first press contact means for pressing the core 37 against the inner surface of the heat conductive case 30, the rear tuttle component fixing screw hole 36 and the rear tuttle component fixing screw 40 are used.
  • the screw hole 36 for fixing the rear tuttle component is machined in the heat conductive case 30, and the block side surface 23ac of the magnetic block 23a of the core 37 on the terminal block side is pressed with the screw 40 for fixing the rear tuttle component.
  • the block side surface 23ac of the magnetic block 23a of the core 37 opposite to the terminal block is in close contact with the side surface 35 of the heat conductive case.
  • the rear tuttle of the present embodiment further includes second press contact means for pressing the core 37 against the bottom surface side of the heat conductive case 30.
  • the core 37 is attached to the heat conductive case 30.
  • a terminal block 21 is used as a second pressure contact means for pressure contact with the bottom surface side.
  • the notch 41 is covered in the heat conductive case 30 so that the terminal block 21 can be attached, and after the rear tuttle parts are stored in the heat conductive case 30, the terminal block 21 is placed in the heat conductive case.
  • the step on the back surface of the terminal block 21 is adjusted so that the back surface of the terminal block 21 is in pressure contact with the block surface 23aa of the magnetic block 23a of the core 37.
  • the block surface 23aa of the magnetic block 23a of the core 37 is pressed, so that the magnetic block 23a is pressed downward and the magnetic block 23
  • the block back surface 23ab of 23a is brought into close contact with the bottom surface 34 of the heat conductive case.
  • heat generated from the core or the like can also be conducted to the bottom surface side of the thermally conductive case.
  • the rear tuttle of the present embodiment includes a winding wire 22 and a magnetic core 37, and houses a rear tuttle component formed by winding the winding wire 22 around the core 37, and the rear tuttle component.
  • the thermal conductive case 30, the insulating sheet 27 provided so as to be in contact with the winding portion of the winding wire 22 of the rear tuttle component and the inner surface of the thermal conductive case 30, and the rear tuttle component were stored in the thermal conductive case 30. Later, the insulating sheet 17 having the filler 28 filled in the heat conductive case 30 has a thermal conductivity equal to or higher than the thermal conductivity of the filler 28. As a result, the heat generated from the winding wire 22 is also efficiently conducted to the heat conductive case 30 through the insulating sheet 27 by the winding partial force.
  • the rear tuttle component of this embodiment is a rear tuttle component having a core 37 formed by combining at least two or more magnetic blocks 23a and 23b with a magnetic gap therebetween, and includes a magnetic block 23a. And a sheet material 26 having a thermal conductivity substantially equal to the thermal conductivity of 23b is inserted between the magnetic blocks 23a and 23b for the magnetic gap.
  • a sheet material 26 having a thermal conductivity substantially equal to the thermal conductivity of 23b is inserted between the magnetic blocks 23a and 23b for the magnetic gap.
  • the heat conductive case 30 according to the rear tuttle of the present embodiment is water-cooled or air-cooled. Thereby, the temperature of the heat conductive case 30 can be made lower than before, and therefore the temperature inside the rear tuttle can also be made lower than before.
  • the present embodiment in which the present invention is implemented has been described. However, the present invention is not limited thereto, and other embodiments are within the scope of the invention described in the claims. Also applies.
  • the wire 22 is connected to other electrical components and the like via the terminal block 21, but a crimp terminal is used as in the prior art, which is not particularly limited to the terminal block. Any method can be applied as long as it is electrically connected.
  • the rear tuttle fixing hole 33 is a force processed for fixing to a forcedly cooled housing or the like, and the rear tuttle fixing hole 33 is not particularly limited to this. May be.
  • the horizontal direction as the first press contact means is a force using the rear tuttle component fixing screw 40 and the rear tuttle component fixing screw hole 36.
  • the present invention is not limited to this.
  • a pressure contact means such as a panel and a lid may be used.
  • the rear tuttle component fixing screw hole 36 which is the first pressure contact means in the horizontal direction, is machined on the terminal block side of the heat conductive case 30, and the core 37 is fixed with the rear tuttle component fixing screw 40 from the terminal block side of the heat conductive case.
  • the force that presses the block side surface 23ac of the magnetic body block 23a is not limited to this, and the terminal block opposing side force may also be pressed.
  • one screw hole 36 for fixing the rear tuttle parts is placed in the heat conductive case 30 and the side face 23ac of the above-mentioned block is pressed by 40 screws for fixing the rear tuttle parts. You can use as many places and as many as you like.
  • the terminal block 21 is used as the second press contact means, but other press contact means such as a panel and a lid may be used without being limited to this.
  • the terminal block 21 may be installed in several places, not limited to one place.
  • the force that presses the magnetic block 23a of the core 37 using only the terminal block 21 is not particularly limited to this.
  • the terminal block 21 and the magnetic block 23a are not limited to this. Tolerance absorbing materials can also be inserted.
  • the core 37 is a force formed by the magnetic material blocks 23a and 23b and the sheet material 26 inserted into the magnetic gap, and is not particularly limited to this shape.
  • the core 37 is formed, and the thermal conductivity of the sheet material 26 is substantially equal to that of the magnetic blocks 23a and 23b.
  • the present invention is not limited to this. It has a thermal conductivity higher than that of magnetic blocks 23a and 23b!
  • FIG. 1 Perspective view of a conventional rear tuttle
  • FIG.2 Exploded perspective view of a conventional rear tuttle
  • FIG.3 Perspective view of a bobbin wound around a conventional winding line
  • FIG.5 Perspective view of conventional heat conductive case
  • FIG. 11 is a perspective view of the rear tuttle of the present embodiment.
  • FIG. 12 is an exploded perspective view of the rear tuttle of the present embodiment.
  • FIG. 13 is a perspective view of a bobbin wound around a shoreline according to the present embodiment.
  • FIG. 14 is a perspective view of a rear tuttle component of the present embodiment.
  • FIG. 15 is a perspective view of the thermally conductive case of the present embodiment as seen from the notch side force for the terminal block.
  • FIG. 16 is a perspective view of the thermally conductive case of the present embodiment as viewed from the notch for terminal block and facing side force.
  • FIG. 20 is a perspective view of the core of the present embodiment.
  • FIG. 21 is an exploded perspective view of the core according to the present embodiment.
  • FIG. 22 is a perspective view of a terminal block according to the present embodiment.
  • FIG. 23 is a perspective view when the terminal block of the rear tuttle of the present embodiment is removed.
  • FIG. 26 is a cross-sectional view after the rear tuttle of the present embodiment is attached to the cooling device.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coils Of Transformers For General Uses (AREA)

Abstract

[PROBLEMES] Le réacteur ci-décrit est formé d’une structure telle qu’une chaleur des noyaux peut être irradiée de manière efficace. [MOYENS DE RÉSOUDRE LES PROBLÈMES] Le réacteur ci-décrit comprend des pièces de réacteur ayant des bobines et des noyaux de substance magnétique et formées en entourant les noyaux des bobines et un boîtier thermoconducteur stockant les pièces du réacteur. Le réacteur comprend également des moyens de pression comprimant les noyaux des pièces du réacteur contre la surface interne du boîtier thermoconducteur. Les noyaux sont fixés par les moyens de pression de sorte à ce que les noyaux soient mis en contact superficiel avec au moins une des surfaces internes du boîtier thermoconducteur.
PCT/JP2005/014515 2004-08-10 2005-08-08 Réacteur Ceased WO2006016554A1 (fr)

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JP2007129146A (ja) * 2005-11-07 2007-05-24 Toyota Motor Corp リアクトルの冷却構造および電気機器ユニット
JP2007305803A (ja) * 2006-05-11 2007-11-22 Tamura Seisakusho Co Ltd コイル及びコイルの成形方法
JP2008147566A (ja) * 2006-12-13 2008-06-26 Toyota Industries Corp リアクトル装置とその製造用上型及び製造方法
WO2008096526A1 (fr) * 2007-02-05 2008-08-14 Tamura Corporation Bobine et procédé de formation de bobine
JP2009099596A (ja) * 2007-10-12 2009-05-07 Sumitomo Electric Ind Ltd リアクトルおよびその製造方法
JP2009194198A (ja) * 2008-02-15 2009-08-27 Sumitomo Electric Ind Ltd リアクトル
WO2009125593A1 (fr) * 2008-04-08 2009-10-15 日立金属株式会社 Dispositif réacteur
JP2010050408A (ja) * 2008-08-25 2010-03-04 Sumitomo Electric Ind Ltd リアクトル構造体
JP2010093138A (ja) * 2008-10-09 2010-04-22 Sumitomo Electric Ind Ltd リアクトル
JP2010118466A (ja) * 2008-11-12 2010-05-27 Tamura Seisakusho Co Ltd インダクタ
JP2010225633A (ja) * 2009-03-19 2010-10-07 Tdk Corp コイル部品、トランス及びスイッチング電源装置
JP2011009791A (ja) * 2010-10-13 2011-01-13 Sumitomo Electric Ind Ltd リアクトル
JP2011040504A (ja) * 2009-08-07 2011-02-24 Tamura Seisakusho Co Ltd トランス
JP2011049495A (ja) * 2009-08-28 2011-03-10 Sumitomo Electric Ind Ltd リアクトル
JP2011103322A (ja) * 2009-11-10 2011-05-26 Toyota Industries Corp 誘導機器
JP2011124310A (ja) * 2009-12-09 2011-06-23 Sumitomo Electric Ind Ltd リアクトル
JP2011199151A (ja) * 2010-03-23 2011-10-06 Toyota Industries Corp リアクトル
JP2011254005A (ja) * 2010-06-03 2011-12-15 Toyota Industries Corp 電気機器
US8091211B2 (en) 2006-05-11 2012-01-10 Tamura Corporation Method for forming coil
JP2012023083A (ja) * 2010-07-12 2012-02-02 Mitsubishi Electric Corp リアクトル装置
JP2012033955A (ja) * 2011-10-13 2012-02-16 Tamura Seisakusho Co Ltd コイル及びコイルの成形方法
JP2012124401A (ja) * 2010-12-10 2012-06-28 Toyota Motor Corp リアクトルとその製造方法
JP2012134532A (ja) * 2012-02-29 2012-07-12 Sumitomo Electric Ind Ltd リアクトル
WO2012164998A1 (fr) * 2011-05-31 2012-12-06 住友電気工業株式会社 Réacteur, convertisseur, appareil de conversion de puissance, procédé de fabrication de réacteur
WO2013058024A1 (fr) * 2011-10-19 2013-04-25 住友電気工業株式会社 Réacteur, convertisseur et dispositif de conversion de puissance
JP2013118208A (ja) * 2011-12-01 2013-06-13 Toyota Motor Corp リアクトル
JP2013138257A (ja) * 2013-03-25 2013-07-11 Sumitomo Electric Ind Ltd リアクトル、及びコンバータ
US8497756B2 (en) 2006-09-19 2013-07-30 Toyota Jidosha Kabushiki Kaisha Reactor core and reactor
JP5365745B1 (ja) * 2011-11-04 2013-12-11 トヨタ自動車株式会社 リアクトルの製造方法
US8653924B2 (en) 2010-12-02 2014-02-18 Mitsubishi Electric Corporation Reactor
JP2015032718A (ja) * 2013-08-04 2015-02-16 株式会社タムラ製作所 樹脂モールドコアとそれを用いたリアクトル
JP2016178215A (ja) * 2015-03-20 2016-10-06 Ｎｅｃトーキン株式会社 コイル及びコイル部品
JPWO2016185712A1 (ja) * 2015-05-19 2018-03-08 パナソニックＩｐマネジメント株式会社 リアクトル
JP2021158718A (ja) * 2020-03-25 2021-10-07 株式会社豊田自動織機 車載用電動圧縮機
EP3929950A1 (fr) * 2020-06-23 2021-12-29 Hamilton Sundstrand Corporation Gestion thermique d'inducteur sur une plaque froide
JP2023003034A (ja) * 2021-06-23 2023-01-11 株式会社タムラ製作所 リアクトル
CN115995328A (zh) * 2021-10-20 2023-04-21 Tdk株式会社 线圈装置

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JP2007129146A (ja) * 2005-11-07 2007-05-24 Toyota Motor Corp リアクトルの冷却構造および電気機器ユニット
US8091211B2 (en) 2006-05-11 2012-01-10 Tamura Corporation Method for forming coil
JP2007305803A (ja) * 2006-05-11 2007-11-22 Tamura Seisakusho Co Ltd コイル及びコイルの成形方法
US20120154100A1 (en) * 2006-05-11 2012-06-21 Tamura Fa System Corporation Coil and method for forming a coil
US10964470B2 (en) 2006-05-11 2021-03-30 Tamura Corporation Coil and method for forming a coil
US10403430B2 (en) 2006-05-11 2019-09-03 Tamura Corporation Coil and method for forming a coil
DE112007002205B4 (de) * 2006-09-19 2014-09-11 Toyota Jidosha Kabushiki Kaisha Induktorkern und Induktor
US8497756B2 (en) 2006-09-19 2013-07-30 Toyota Jidosha Kabushiki Kaisha Reactor core and reactor
JP2008147566A (ja) * 2006-12-13 2008-06-26 Toyota Industries Corp リアクトル装置とその製造用上型及び製造方法
US8643457B2 (en) 2007-02-05 2014-02-04 Tamura Corporation Coil and method of forming the coil
JP5380077B2 (ja) * 2007-02-05 2014-01-08 株式会社タムラ製作所 コイル及びコイルの成形方法
DE112008000364B4 (de) 2007-02-05 2022-10-27 Tamura Corp. Spule und Verfahren zum Bilden der Spule
US8056212B2 (en) 2007-02-05 2011-11-15 Tamura Corporation Coil and method of forming the coil
WO2008096526A1 (fr) * 2007-02-05 2008-08-14 Tamura Corporation Bobine et procédé de formation de bobine
JP2009099596A (ja) * 2007-10-12 2009-05-07 Sumitomo Electric Ind Ltd リアクトルおよびその製造方法
JP2009194198A (ja) * 2008-02-15 2009-08-27 Sumitomo Electric Ind Ltd リアクトル
WO2009125593A1 (fr) * 2008-04-08 2009-10-15 日立金属株式会社 Dispositif réacteur
JP2010050408A (ja) * 2008-08-25 2010-03-04 Sumitomo Electric Ind Ltd リアクトル構造体
JP2010093138A (ja) * 2008-10-09 2010-04-22 Sumitomo Electric Ind Ltd リアクトル
JP2010118466A (ja) * 2008-11-12 2010-05-27 Tamura Seisakusho Co Ltd インダクタ
US8077003B2 (en) 2009-03-19 2011-12-13 Tdk Corporation Coil component, transformer and switching power supply unit
JP2010225633A (ja) * 2009-03-19 2010-10-07 Tdk Corp コイル部品、トランス及びスイッチング電源装置
JP2011040504A (ja) * 2009-08-07 2011-02-24 Tamura Seisakusho Co Ltd トランス
JP2011049495A (ja) * 2009-08-28 2011-03-10 Sumitomo Electric Ind Ltd リアクトル
JP2011103322A (ja) * 2009-11-10 2011-05-26 Toyota Industries Corp 誘導機器
JP2011124310A (ja) * 2009-12-09 2011-06-23 Sumitomo Electric Ind Ltd リアクトル
JP2011199151A (ja) * 2010-03-23 2011-10-06 Toyota Industries Corp リアクトル
JP2011254005A (ja) * 2010-06-03 2011-12-15 Toyota Industries Corp 電気機器
JP2012023083A (ja) * 2010-07-12 2012-02-02 Mitsubishi Electric Corp リアクトル装置
JP2011009791A (ja) * 2010-10-13 2011-01-13 Sumitomo Electric Ind Ltd リアクトル
US8653924B2 (en) 2010-12-02 2014-02-18 Mitsubishi Electric Corporation Reactor
DE102011086940B4 (de) * 2010-12-02 2014-10-09 Mitsubishi Electric Corp. Drosselspule
JP2012124401A (ja) * 2010-12-10 2012-06-28 Toyota Motor Corp リアクトルとその製造方法
JP2013012701A (ja) * 2011-05-31 2013-01-17 Sumitomo Electric Ind Ltd リアクトル、コンバータ、電力変換装置、及びリアクトルの製造方法
WO2012164998A1 (fr) * 2011-05-31 2012-12-06 住友電気工業株式会社 Réacteur, convertisseur, appareil de conversion de puissance, procédé de fabrication de réacteur
CN103597560B (zh) * 2011-05-31 2017-06-23 住友电气工业株式会社 电抗器、转换器、功率转换器件以及制造电抗器的方法
US9343219B2 (en) 2011-05-31 2016-05-17 Sumitomo Electric Industries, Ltd. Reactor, converter, power converter apparatus, and method for manufacturing reactor
JP2012033955A (ja) * 2011-10-13 2012-02-16 Tamura Seisakusho Co Ltd コイル及びコイルの成形方法
WO2013058024A1 (fr) * 2011-10-19 2013-04-25 住友電気工業株式会社 Réacteur, convertisseur et dispositif de conversion de puissance
JP2013089815A (ja) * 2011-10-19 2013-05-13 Sumitomo Electric Ind Ltd リアクトル
CN103930959A (zh) * 2011-10-19 2014-07-16 住友电气工业株式会社 电抗器、转换器和功率转换器件
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JP2013118208A (ja) * 2011-12-01 2013-06-13 Toyota Motor Corp リアクトル
JP2012134532A (ja) * 2012-02-29 2012-07-12 Sumitomo Electric Ind Ltd リアクトル
JP2013138257A (ja) * 2013-03-25 2013-07-11 Sumitomo Electric Ind Ltd リアクトル、及びコンバータ
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US9343221B2 (en) 2013-08-04 2016-05-17 Tamura Corporation Resin-mold core and reactor using the same
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JP2016178215A (ja) * 2015-03-20 2016-10-06 Ｎｅｃトーキン株式会社 コイル及びコイル部品
JPWO2016185712A1 (ja) * 2015-05-19 2018-03-08 パナソニックＩｐマネジメント株式会社 リアクトル
JP2021158718A (ja) * 2020-03-25 2021-10-07 株式会社豊田自動織機 車載用電動圧縮機
JP7342758B2 (ja) 2020-03-25 2023-09-12 株式会社豊田自動織機 車載用電動圧縮機
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US11557419B2 (en) 2020-06-23 2023-01-17 Hamilton Sundstrand Corporation Thermal management of inductor on a cold plate
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