WO2007069312A1 - Dispositif aimante pour ascenseur - Google Patents

Dispositif aimante pour ascenseur Download PDF

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Publication number
WO2007069312A1
WO2007069312A1 PCT/JP2005/022949 JP2005022949W WO2007069312A1 WO 2007069312 A1 WO2007069312 A1 WO 2007069312A1 JP 2005022949 W JP2005022949 W JP 2005022949W WO 2007069312 A1 WO2007069312 A1 WO 2007069312A1
Authority
WO
WIPO (PCT)
Prior art keywords
coil
heat
elevator
magnet device
electromagnetic magnet
Prior art date
Application number
PCT/JP2005/022949
Other languages
English (en)
Japanese (ja)
Inventor
Hideki Nakashima
Original Assignee
Mitsubishi Denki Kabushiki Kaisha
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 Mitsubishi Denki Kabushiki Kaisha filed Critical Mitsubishi Denki Kabushiki Kaisha
Priority to PCT/JP2005/022949 priority Critical patent/WO2007069312A1/fr
Publication of WO2007069312A1 publication Critical patent/WO2007069312A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets

Definitions

  • the present invention relates to an electromagnetic magnet device for an elevator provided in, for example, an electric motor or a brake device of an elevator hoisting machine.
  • a mold material such as varnish or resin is injected between the electromagnetic coil and the shell to fix the electromagnetic coil to the shell.
  • the mold material is injected between the electromagnetic coil and the shell, and then heated and cured. As a result, the electromagnetic coil is fixed to the shell (see, for example, Patent Document 1).
  • Patent Document 1 Japanese Patent Laid-Open No. 11 136911
  • the present invention has been made to solve the above-described problems, and with a simple configuration, it is possible to ensure the waterproof property of the connection portion between the coil and the lead wire, thereby ensuring the waterproof property.
  • the purpose is to obtain an electromagnetic magnet device for an elevator that can reduce the time and effort required to do the work.
  • An elevator electromagnetic magnet device is connected to a coil and a coil. And a heat-shrinkable tube that surrounds the connection portion between the coil and the lead wire, shrinks when heated and tightens the connection portion.
  • FIG. 1 is a perspective view showing an electromagnetic magnet device for an elevator according to Embodiment 1 of the present invention.
  • FIG. 2 is an enlarged configuration diagram showing a connection portion between the coil and the lead wire in FIG. 1.
  • FIG. 3 is a configuration diagram showing a state before heating of the first and second heat shrinkable tubes in FIG. 2.
  • FIG. 1 is a perspective view showing an electromagnetic magnet device for an elevator according to Embodiment 1 of the present invention, and shows an electromagnetic magnet device used for a brake device of an elevator hoisting machine.
  • a plate-like shell (field) 1 made of a magnetic material such as iron is provided with a coil mounting portion la.
  • the coil mounting portion la has a concave portion lb and a convex portion lc protruding from the center of the concave portion 1b.
  • a cylindrical bobbin 2 is mounted on the coil mounting portion la.
  • a convex part lc is inserted inside the bobbin 2.
  • a coil 3 is provided between the pair of flange portions of the bobbin 2. That is, the coil 3 is formed by winding an electric wire around the bobbin 2.
  • a self-bonding enameled wire is used as the wire constituting coil 3.
  • a self-bonding enameled wire is one in which an adhesive layer (for example, varnish) that melts by heating is superimposed on the surface of the enameled wire.
  • a pair of lead wires 4 a and 4 b for energizing the coil 3 is connected to the coil 3.
  • connection fixture 5 is attached to the outer peripheral portion of the coil 3 to clamp and fix the connection portion between the coin 3 and the lead wires 4a and 4b between the coil 3 and the coil 3.
  • the connection fixture 5 is bonded to the coil 3 with an adhesive, for example.
  • the connection portion is located at the corner of the coil 3, and the connection fixture 5 is formed in a shape that conforms to the surface shape of the corner of the coil 3.
  • FIG. 2 is an enlarged configuration diagram showing a connection portion between the coil 3 and the lead wires 4a and 4b in FIG.
  • the wires that make up the coil 3 consist of a winding start (first end) 3a and a winding end (second end). 3b.
  • the lead wire 4a is fastened and electrically connected to the starting portion 3a by the first connection fitting 6a.
  • the lead wire 4b is fastened and electrically connected to the winding end portion 3b by the second connection fitting 6b.
  • the connecting portion is pressed by the connecting portion fixture 5 in a direction substantially parallel to the axial direction of the coil 3.
  • the connecting portion between the starting portion 3a and the lead wire 4a is surrounded by the first heat-shrinkable tube 7a.
  • a connection portion between the end portion 3b and the lead wire 4b is surrounded by a second heat shrinkable tube 7b. That is, the connection portion is covered with heat-shrinkable tubes (clamping members) 7a and 7b. Further, the heat shrinkable tubes 7a and 7b are shrunk by heat, thereby tightening the connecting portions.
  • heat-shrinkable tubes 7a and 7b for example, a polyolefin resin is used.
  • the shrinkage temperature of the heat-shrinkable tubes 7a and 7b is, for example, 110 ° C or higher.
  • the inner diameter shrinkage rate of the heat shrinkable tubes 7a and 7b is, for example, 60% or more.
  • a heat-melt adhesive 8 that is softened by heating is attached to the inner surfaces of the heat-shrinkable tubes 7a and 7b.
  • a thermoplastic varnish is used as the adhesive 8.
  • the adhesive 8 is melted when the heat-shrinkable tubes 7a and 7b are heated and shrunk, and fills the gap between the heat-shrinkable tubes 7a and 7b and the connecting portion. Further, a part of the adhesive 8 flows out from the end portions of the heat-shrinkable tubes 7a and 7b by heating, and closes the end openings of the heat-shrinkable tubes 7a and 7b.
  • the bobbin 2 is fixed to the coil mounting portion la of the shell 1 with an adhesive. After fixing the bobbin 2 to the coil mounting part la, connect the lead wires 4a and 4b to the winding start part 3a and the winding end part 3b with the connecting fittings 6a and 6b.
  • connection fittings 6a and 6b for example, crimp sleeves that are crimped at the time of connection are used.
  • FIG. 3 is a block diagram showing the heat-condensing tubes 7a and 7b in Fig. 2 before heating. From the state shown in FIG. 3, the heat shrinkable tubes 7a and 7b are heated and shrunk. Heating can be performed, for example, by blowing warm air with a dryer or the like. Further, at the time of heating, it is preferable to confirm that the adhesive 8 is springing out from the ends of the heat-shrinkable tubes 7a and 7b in order to improve waterproofness. Finally, when the adhesive 8 is cured, the connection of the lead wires 4a and 4b is completed.
  • the method of manufacturing the electromagnetic magnet device includes the step of winding the self-bonding enamel wire around the bobbin 2 to form the coil 3, and energizing the self-bonding enamel wire to form the self-bonding enamel wire.
  • the process of fusing together, the process of fixing the bobbin 2 to the coil mounting part la of the shell 1, the process of connecting the lead springs 4a and 4b to the inner 3, the connection between the inner 3 and the lead wires 4a and 4b It includes a step of covering the tubes 7a and 7b and a step of heating and shrinking the heat shrinkable tubes 7a and 7b.
  • the heat-shrinkable tubes 7a and 7b placed on the connection portion between the coin 3 and the lead wires 4a and 4b are heated and shrunk so that they can be connected with a simple and inexpensive configuration. It is possible to secure the waterproofness of the part, and to reduce the labor of the work for ensuring the waterproofness.
  • the adhesive 8 that is softened by heating is attached to the inner surfaces of the heat-shrinkable tubes 7a and 7b, the waterproofness of the connection portion can be ensured more reliably.
  • thermoplastic varnish is used as the adhesive 8
  • the watertightness can be sufficiently maintained to prevent cracks even at high temperatures, and the reliability can be improved.
  • the electromagnetic magnet device of the first embodiment is used in a brake device of an elevator hoisting machine.
  • the elevator hoisting machine has a drive sheave, an electric motor that rotates the drive sheave, and a brake device that brakes the rotation of the drive sheave.
  • the brake device includes a brake shoe that frictionally brakes a rotating body that rotates integrally with the drive sheave, a brake spring that presses the brake shoe against the rotating body, and an electromagnetic that is piled on the brake spring to release the brake shoe from the rotating body.
  • a magnet device A main rope for hanging a car and a counterweight is hung on the driving sheave. The car and counterweight are raised and lowered in the hoistway by rotating the drive sheave.
  • the brake shoe must be energized to coil 3. It is released from the rotating body by the above, and is pressed against the rotating body by cutting off the power to the coil 3.
  • the method for fixing the bobbin 2 to the shell 1 is not particularly limited, and may be screwed, for example.
  • the connecting metal 6a, 6b may be used to connect the lead wire 3a, the lead wire 3a and the lead wire 4a, 4b, for example, by soldering.
  • the heating method of the heat-shrinkable tubes 7a and 7b is not particularly limited.
  • the lead wires 4a and 4b are connected to the coil 3 before the self-bonding enamel wires are fused to each other, and heat is applied to the connection portion. It is also possible to cover the shrinkable tubes 7a and 7b and then energize the self-bonding enameled wire, and simultaneously fuse the self-bonding enameled wires and heat the heat-shrinkable tubes 7a and 7b.
  • an electromagnetic magnet device used for a brake device of an elevator hoisting machine is shown.
  • an electromagnetic magnet device used for an electric motor of an elevator hoisting machine or an elevator hoisting machine the present invention can also be applied to an electromagnetic magnet device used in a brake device provided.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)

Abstract

La présente invention concerne un dispositif aimanté pour un ascenseur comprenant une bobine et des fils connectés à la bobine. Un tube thermorétractable est placé sur une partie de jonction située entre la bobine et les fils. Plus précisément, la jonction est entourée par le tube thermorétractable. Le tube thermorétractable est ensuite rétracté à la chaleur afin de resserrer la jonction. Le dispositif aimanté est utilisé, par exemple, pour le dispositif de freinage d’une cabine d’ascenseur.
PCT/JP2005/022949 2005-12-14 2005-12-14 Dispositif aimante pour ascenseur WO2007069312A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2005/022949 WO2007069312A1 (fr) 2005-12-14 2005-12-14 Dispositif aimante pour ascenseur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2005/022949 WO2007069312A1 (fr) 2005-12-14 2005-12-14 Dispositif aimante pour ascenseur

Publications (1)

Publication Number Publication Date
WO2007069312A1 true WO2007069312A1 (fr) 2007-06-21

Family

ID=38162635

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2005/022949 WO2007069312A1 (fr) 2005-12-14 2005-12-14 Dispositif aimante pour ascenseur

Country Status (1)

Country Link
WO (1) WO2007069312A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7034350B1 (ja) * 2021-03-08 2022-03-11 三菱電機株式会社 電磁マグネット、電磁ブレーキ、及びエレベータ巻上機

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5442233Y2 (fr) * 1974-10-18 1979-12-08
JPH05251233A (ja) * 1992-03-09 1993-09-28 Toshiba Toransupooto Eng Kk 浮上案内コイルの口出し接続部及びその絶縁方法
JPH11299201A (ja) * 1998-04-09 1999-10-29 Atb Antriebstechnik Ag エレベ―タやリフト駆動機構等のための電気機械

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5442233Y2 (fr) * 1974-10-18 1979-12-08
JPH05251233A (ja) * 1992-03-09 1993-09-28 Toshiba Toransupooto Eng Kk 浮上案内コイルの口出し接続部及びその絶縁方法
JPH11299201A (ja) * 1998-04-09 1999-10-29 Atb Antriebstechnik Ag エレベ―タやリフト駆動機構等のための電気機械

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7034350B1 (ja) * 2021-03-08 2022-03-11 三菱電機株式会社 電磁マグネット、電磁ブレーキ、及びエレベータ巻上機

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