WO2015111214A1 - 冷間圧接導体線および電動機および電動機の製造方法 - Google Patents
冷間圧接導体線および電動機および電動機の製造方法 Download PDFInfo
- Publication number
- WO2015111214A1 WO2015111214A1 PCT/JP2014/051662 JP2014051662W WO2015111214A1 WO 2015111214 A1 WO2015111214 A1 WO 2015111214A1 JP 2014051662 W JP2014051662 W JP 2014051662W WO 2015111214 A1 WO2015111214 A1 WO 2015111214A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cold
- conductor wire
- electric motor
- insulating case
- insulating
- Prior art date
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/38—Windings characterised by the shape, form or construction of the insulation around winding heads, equalising connectors, or connections thereto
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/02—Soldered or welded connections
- H01R4/029—Welded connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/02—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections
- H01R43/0207—Ultrasonic-, H.F.-, cold- or impact welding
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/0056—Manufacturing winding connections
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/0056—Manufacturing winding connections
- H02K15/0068—Connecting winding sections; Forming leads; Connecting leads to terminals
- H02K15/0081—Connecting winding sections; Forming leads; Connecting leads to terminals for form-wound windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
Definitions
- the present invention relates to a cold-welded conductor wire, an electric motor, and a method for manufacturing the electric motor, which can ensure the quality of a connection portion easily and at low cost.
- a conventional cold-welded conductor wire is formed by bending a conductor connecting portion connected by cold-welding and covering the bent portion with a cap (for example, see Patent Document 1).
- other general insulating structures that are not caps can be configured by fixing a heat-shrinkable tube and covering it with a heat-shrinkable tube that covers the entire wire-connected part, thereby constituting an insulating structure for the wire-connected part. .
- connection part and the hardened part near the connection part are liable to be damaged such as deformation or cracking or the growth of minute internal defects.
- connection part to be insulated is exposed from the heat-shrinkable tube, and there is concern about the insulation quality of the connection part. There was a problem.
- the present invention has been made to solve the above-described problems, and provides a cold-welded conductor wire, an electric motor, and a method of manufacturing the electric motor that can ensure the quality of the connection portion easily and at low cost.
- the purpose is to do.
- the cold-welded conductor wire of this invention is In a cold-welded conductor wire having a connection portion in which two conductor wires are connected by cold-welding, A bent portion bent at a different location from the connected portion; And an insulating case formed by winding and bonding the connection portion with an insulating sheet.
- the electric motor of the present invention is In motors with winding coils and external lead wires, A connection portion in which the lead wire of the winding coil and the external lead wire are connected by cold welding; A bent portion bent at a different location from the connected portion; And an insulating case formed by winding and bonding the connection portion with an insulating sheet.
- the method for manufacturing the electric motor according to the present invention includes: In a method of manufacturing an electric motor having an electric motor winding coil and an external lead wire, Connecting the lead wire of the winding coil and the external lead wire by cold welding to form a connection part; Bending a portion different from the connection portion to form a bent portion; A step of covering and bonding the connection portion with an insulating sheet and forming an insulating case.
- connection portion can be ensured easily and at low cost.
- FIG. 3 is an exploded view showing a configuration of a cold pressure welding die shown in FIG. 2. It is a figure which shows the manufacturing method of the cold welding conductor wire shown in FIG. It is a figure which shows the manufacturing method of the cold welding conductor wire shown in FIG. It is a figure which shows the manufacturing method of the cold welding conductor wire shown in FIG. It is a figure which shows the manufacturing method of the cold welding conductor wire shown in FIG. It is a figure which shows the manufacturing method of the cold welding conductor wire shown in FIG. It is a figure which shows the manufacturing method of the cold welding conductor wire shown in FIG. It is a figure which shows the manufacturing method of the cold welding conductor wire shown in FIG.
- FIG. It is a figure which shows the manufacturing method of the cold welding conductor wire shown in FIG. It is a figure which shows the manufacturing method of the cold welding conductor wire shown in FIG. It is a figure which shows the manufacturing method of the cold welding conductor wire shown in FIG. It is a figure which shows the manufacturing method of the cold welding conductor wire shown in FIG. It is a figure which shows the manufacturing method of the cold welding conductor wire shown in FIG. It is a figure which shows the manufacturing method of the cold welding conductor wire shown in FIG. It is a figure which shows the manufacturing method of the cold welding conductor wire shown in FIG. It is a figure which shows the manufacturing method of the cold welding conductor wire shown in FIG. It is a figure which shows the manufacturing method of the cold welding conductor wire shown in FIG. It is a figure which shows the manufacturing method of the cold welding conductor wire shown in FIG. It is a figure which shows the manufacturing method of the cold welding conductor wire shown in FIG. It is a figure which shows the manufacturing method of the cold welding conductor wire shown in FIG.
- FIG. 1 It is a side view which shows the structure at the time of using the cold-welded conductor wire shown in FIG. 1 for an electric motor. It is a top view which shows the state which comprised the fixing
- FIG. It is a figure which shows the manufacturing method of the cold welding conductor wire shown in FIG. It is a figure which shows the manufacturing method of the cold welding conductor wire shown in FIG. It is a figure which shows the manufacturing method of the cold welding conductor wire shown in FIG. It is a figure which shows the manufacturing method of the cold welding conductor wire shown in FIG. It is a figure which shows the manufacturing method of the cold welding conductor wire shown in FIG. It is a figure which shows the manufacturing method of the cold welding conductor wire shown in FIG. It is a perspective view which shows the structure of the other cold welding conductor line of Embodiment 2 of this invention. It is a figure which shows the manufacturing method of the cold welding conductor wire shown in FIG. It is a figure which shows the manufacturing method of the cold welding conductor wire shown in FIG.
- FIG. Embodiments of the present invention will be described below.
- 1 is a perspective view showing a configuration of a cold-welded conductor wire according to Embodiment 1 of the present invention.
- FIG. 2 is a perspective view showing a configuration of a cold pressure welding die used for cold pressure welding of the cold pressure welding conductor wire shown in FIG.
- FIG. 3 is an exploded view showing the structure of the cold pressure welding die shown in FIG. 4 to 17 are views showing a method of manufacturing the cold-welded conductor wire shown in FIG. 18 to 20 are diagrams showing the configuration of an electric motor using the cold-welded conductor wire shown in FIG.
- FIG. 21 is a perspective view showing another configuration of the insulation case of the cold-welded conductor according to the first embodiment of the present invention.
- the cold-welded conductor wire 2 is formed by connecting the first conductor wire 2A and the second conductor wire 2B by cold-welding.
- a connection portion 2C connected to the first conductor wire 2A and the second conductor wire 2B by cold welding is formed.
- a hardened portion 2E is formed in the vicinity of the connection portion 2C in the first conductor wire 2A and the second conductor wire 2B.
- the length of the cured portion 2E is the cured portion length 2EL.
- the hardened portion 2E indicates a portion formed by hardening from the material of the first conductor wire 2A and the second conductor wire 2B. This hardened portion 2E is to confirm which portion of the first conductor wire 2A and the second conductor wire 2B is generated by measuring the first conductor wire 2A and the second conductor wire 2B with a hardness meter. Can do.
- the cold-welded conductor wire 2 has a bent portion 2F bent at a location different from the connection portion 2C and the hardened portion 2E.
- the connection part 2C and the hardening part 2E are wound in the insulating sheet 43A, and the insulating case 43 formed by being bonded by the bonding parts 43S1 and 43S2 is provided.
- the length of the insulating case 43 that can be insulated is the insulating portion length 43L.
- the insulating part length 43L is formed by adding an insulating distance necessary for insulating the hardened part 2E to the length of the hardened part length 2EL of the hardened part 2E.
- the insulating case 43 is formed with a hook portion 43C on the inner side.
- the bent portion 2F is formed by being hooked and fixed to the hook portion 43C inside the insulating case 43.
- the insulating case 43 is formed with a notch 43T so that the bent portion 2F can be easily inserted inside the insulating case 43.
- a cold welding die 1 (hereinafter referred to as a die 1) for performing cold welding of the cold welding conductor wire 2 will be described.
- the die 1 is composed of four first die pieces 1A1, a second die piece 1A2, a third die piece 1B1, and a fourth die piece 1B2.
- the first pair die 1A is formed symmetrically with the first die piece 1A1 and the second die piece 1A2 as a pair.
- the third die piece 1B1 and the fourth die piece 1B2 are paired, and are formed symmetrically.
- the die 1 is formed by pairing these two first pair dies 1A and second pair dies 1B.
- the first chuck portion 1A3 of the first pair die 1A is formed on the mating surface of the first die piece 1A1 and the second die piece 1A2 constituting the first pair die 1A.
- the first chuck portion 1A3 grips the first conductor wire 2A by abutting the first die piece 1A1 and the second die piece 1A2.
- the first introduction part 1A4 is formed on the insertion opening side of the first conductor wire 2A of the first chuck part 1A3.
- the shape of the first introduction portion 1A4 is formed so as to be tapered toward the end faces of the first die piece 1A1 and the second die piece 1A2. Since the first introduction portion 1A4 is formed in a tapered shape, the first conductor wire 2A can be easily inserted into the first chuck portion 1A3.
- matching part 1A5 is formed in the protrusion opening side of 1st conductor wire 2A of 1st chuck
- first butting portion 1A5 the first conductor wire 2A on the first pair die 1A side and the second conductor wire 2B on the second pair die 1B side are butted.
- the first burr escape portion 1A6 is formed around the first butting portion 1A5.
- the first burr escape portion 1A6 is for escaping the burr 2D generated in the cold welding process of the first conductor wire 2A.
- the configuration of the second pair die 1B is formed similarly to the configuration of the first pair die 1A in the left-right symmetry. Therefore, the second chuck portion 1B3, the second introduction portion 1B4, the second butting portion 1B5, and the second burr escape portion 1B6 are formed, respectively, but description thereof is omitted for details.
- the second pair die 1B is the side on which the second conductor wire 2B is held.
- the pressure welding machine 3 that presses the die 1 will be described.
- the pressure welding machine 3 has a first V block 31 and a second V block 32 arranged on both sides of the die 1. Further, the pressure welding machine 3 includes a first gate 3A that holds the first conductor wire 2A and a second gate 3B that holds the second conductor wire 2B.
- a method for manufacturing the cold-welded conductor wire of Embodiment 1 configured as described above will be described.
- the dice pieces 1A1, 1A2, 1B1, and 1B2 are held and arranged at intervals.
- each conductor wire 2A, 2B is inserted in each chuck
- the first conductor line 2A is held by the first gate 3A and the second conductor line 2B is held by the second gate 3B in a state where the conductor lines 2A and 2B are abutted.
- the V blocks 31 and 32 arranged on both sides of the die 1 are pressed in the pressing direction X.
- Each die piece 1A1, 1A2, 1B1, 1B2 moves in the pressing direction X of each V block 31, 32.
- the first conductor wire 2A is accommodated and held in the first chuck portion 1A3 of the first pair die 1A constituted by the die pieces 1A1 and 1A2.
- the second conductor wire 2B is accommodated and held in the second chuck portion 1B3 of the second pair die 1B constituted by the die pieces 1B1 and 1B2. At this time, the distance between the first pair dice 1A and the second pair dice 1B is maintained.
- each die piece 1A1, 1A2, 1B1, 1B2 moves in the axial direction Y of each conductor wire 2A, 2B along the inclined surface of each V block 31, 32.
- each pair die 1A and 1B are faced
- the conductor wires 2A and 2B held by the chuck portions 1A3 and 1B3 of the pair dies 1A and 1B are compressed and joined.
- each conductor wire 2A, 2B in the vicinity of the connection portion 2C of each conductor wire 2A, 2B, a part of each conductor wire 2A, 2B becomes a burr 2D and is pushed out to each burr relief portion 1A6, 1B6.
- the V blocks 31, 32 are retracted to the outside, and the die pieces 1A1, 1A2, 1B1, 1B2 are separated from each other as shown in FIG. 5, and the cold-welded conductor wire 2 is opened.
- the conductor wires 2 ⁇ / b> A and 2 ⁇ / b> B are integrated by a connection portion 2 ⁇ / b> C connected by cold welding to form a cold welding conductor wire 2.
- a burr 2D is formed around the connection portion 2C of the cold welding conductor wire 2.
- a hardened portion 2E is formed at a place gripped by each chuck portion 1A3, 1B3.
- the burr 2D is removed from the cold-welded conductor wire 2 taken out from the die 1. Therefore, the cold-welded conductor wire 2 has a connection portion 2C having no burr 2D.
- the connection portion 2C and the hardened portion 2E of the cold-welded conductor wire 2 maintain a linear shape. To do. Therefore, the cold-welded conductor wire 2 is formed with a bent portion 2F on the outer side different from the portion of the cured portion length 2EL including the connection portion 2C and the cured portion 2E.
- two folding lines 43B1 and 43B2 are formed on the rectangular insulating sheet 43A. Further, a part of the insulating sheet 43A is cut out to form a notch 43T. Furthermore, a hook part 43C is formed by making a cut in a part of the insulating sheet 43A and pushing it down. In addition, even if the hook part 43D is formed in a different direction from the hook part 42C shown in FIG. 11, that is, as shown in FIG.
- the insulating sheet 43A is bent inward by a fold line 43B2.
- the insulating sheet 43 ⁇ / b> A is folded inward along a folding line 43 ⁇ / b> B ⁇ b> 1.
- the adhesive sheet 43 ⁇ / b> A is formed with an adhesive portion 43 ⁇ / b> S ⁇ b> 1 that adheres the side surfaces using an adhesive tape, an adhesive, an ultrasonic welding machine, or the like, and an adhesive portion 43 ⁇ / b> S ⁇ b> 2 that adheres the upper end.
- the insulating case 43 is configured.
- the formation position and the number of adhesion portions may be increased or the number of points may be increased.
- the cold welded conductor wire 2 is inserted from the gap of the insulating case 43, that is, from the notch 43T, from the bent portion 2F side.
- the cold-welded conductor wire 2 is put into an insulating case 43.
- the cold-welded conductor wire 2 is further placed in the insulating case 43, and the bent portion 2F of the cold-welded conductor wire 2 is inserted deeper than the hook portion 43C.
- the cold-welded conductor wire 2 is pulled back, and the bent portion 2F of the cold-welded conductor wire 2 is hooked on the hook portion 43C and fixed.
- the insulating part length 43L of the insulating case 43 is formed longer than the hardened part length 2EL including the connection part 2C and the hardened part 2E. Therefore, the connection part 2C and the hardening part 2E can be reliably insulated.
- the electric motor 5 includes an iron core 51, a winding coil 52, a lead wire 20 ⁇ / b> A that is one end of the winding coil 52, an external terminal 53, and an external lead wire 20 ⁇ / b> B connected to the external terminal 53. It consists of and.
- the first conductor wire 2A is regarded as the lead wire 20A and the second conductor wire 2B is regarded as the external lead wire 20B.
- cold welding is performed to form the connection portion 2C, and the insulating case 43 is configured.
- the insulation case 43 is configured not to be displaced so that the connection portion 2C of the cold-welded conductor wire 2 is exposed or an insulation distance cannot be secured. For this reason, you may arrange
- the winding coil 52 is not limited to a copper wire, and may be a conductive wire other than copper, such as an aluminum wire.
- the external lead wire 20 ⁇ / b> B is not connected to the external terminal 53, but may be an intermediate member that connects the winding coil 52 and the external terminal 53.
- a substantially linear shape is maintained without bending the connection portion and the hardened portion. Thereby, damage to a connection part and a hardening part can be suppressed. Moreover, the relative position shift
- the insulating part length of the insulating case is configured to be longer than the length obtained by adding the insulating distance necessary for insulating the hardened part to the hardened part length. For this reason, even if the insulation performance of the hardened portion is lowered, it can be reliably insulated by the insulation case. Therefore, in the electric motor, the concern about the insulation quality can be solved in the insulation process and the subsequent assembly process.
- the assembly process of the insulating case and the process of inserting the cold-welded conductor wire into the insulating case can be separated. Thereby, each process can be divided
- FIG. 22 is a perspective view showing the configuration of the cold-welded conductor wire according to the second embodiment of the present invention.
- 23 to 29 are views showing a method of manufacturing the cold-welded conductor wire shown in FIG.
- FIG. 30 is a perspective view showing the configuration of another cold-welded conductor wire according to the second embodiment of the present invention.
- 31 to 38 are views showing a manufacturing method of the cold-welded conductor wire shown in FIG.
- the cold-welded conductor wire 2 has two bent portions 20F and 21F bent at different locations from the connection portion 2C and the hardened portion 2E.
- an insulating case 41 is provided in which the connecting portion 2C and the hardened portion 2E are wound by the insulating sheet 41A and bonded by the bonding portion 41S.
- the insulating case 41 has an insulating length 41L. This insulating part length 41L is formed by adding an insulating distance necessary for insulating the hardened part 2E to the length of the hardened part length 2EL of the hardened part 2E.
- a method for manufacturing the cold-welded conductor wire of the second embodiment configured as described above will be described. Note that the method from joining the conductor wires 2A and 2B to each other by cold welding and removing the burr 2D is the same as that in the first embodiment, and the description thereof is omitted.
- a fold line 41B is formed on a rectangular insulating sheet 41A.
- the cold-welded conductor wire 2 is placed on the insulating sheet 41A so that the connection portion 2C and the hardened portion 2E of the cold-welded conductor wire 2 are placed.
- the insulating sheet 41A is folded inward by a folding line 41B, and the cold-welded conductor wire 2 is covered by the insulating sheet 41A. That is, the connection part 2C and the hardening part 2E of the cold-welded conductor wire 2 are wound by the insulating sheet 41A.
- the portion of the cold-welded conductor wire 2 outside the insulating sheet 41A is bent to form a bent portion 20F. That is, the bent portion 20F is formed at a location different from the connection portion 2C and the hardened portion 2E of the cold-welded conductor wire 2.
- the portion of the cold-welded conductor wire 2 bent at the bent portion 20F is placed on the insulating sheet 41A.
- a portion of the cold-welded conductor wire 2 on the side different from the previously formed bent portion 20F is bent outside the insulating sheet 41A to form a bent portion 21F. That is, the bent portion 21F is formed at a location different from the connection portion 2C and the hardened portion 2E of the cold-welded conductor wire 2.
- the portion of the cold-welded conductor wire 2 bent at the bent portion 21F is inserted inside the insulating sheet 41A.
- an adhesive portion 41 ⁇ / b> S is formed that adheres the side surface of the insulating sheet 41 ⁇ / b> A using an adhesive tape, an adhesive, an ultrasonic welding machine, or the like.
- the insulating case 41 is configured.
- the insulating part length 41L of the insulating case 41 is longer than the hardened part length 2EL including the connection part 2C and the hardened part 2E. Therefore, the connection part 2C and the hardening part 2E can be reliably insulated.
- the description is abbreviate
- the cold-welded conductor wire 2 has two bent portions 20F and 21F that are bent at different locations from the connection portion 2C and the hardened portion 2E, as in FIG.
- an insulating case 42 is provided in which the connecting portion 2C and the hardened portion 2E are wound by the insulating sheet 42A and bonded by the bonding portion 42S.
- the insulating case 42 can be insulated by an insulating portion length 42L.
- the insulating portion length 42L is formed by adding an insulating distance necessary for insulating the cured portion 2E to the length of the cured portion length 2EL of the cured portion 2E.
- a method for manufacturing another cold-welded conductor wire of the second embodiment configured as described above will be described. Note that the method from joining the conductor wires 2A and 2B to each other by cold welding and removing the burr 2D is the same as that in the first embodiment, and the description thereof is omitted.
- fold lines 42B1 and 42B2 are formed on a rectangular insulating sheet 42A.
- the cold-welded conductor wire 2 is placed so that the connection portion 2 ⁇ / b> C and the hardened portion 2 ⁇ / b> E of the cold-welded conductor wire 2 are placed on the central portion on the insulating sheet 42 ⁇ / b> A.
- the insulating sheet 42A is folded inward by a folding line 42B2, and the cold-welded conductor line 2 is covered by the insulating sheet 42A. That is, the connection part 2C and the hardening part 2E of the cold-welded conductor wire 2 are wound by the insulating sheet 42A.
- the portion of the cold-welded conductor wire 2 outside the insulating sheet 41A is bent to form a bent portion 20F. That is, the bent portion 20F is formed at a location different from the connection portion 2C and the hardened portion 2E of the cold-welded conductor wire 2.
- the portion of the cold-welded conductor wire 2 bent at the bent portion 20F is placed on the insulating sheet 42A.
- a portion of the cold-welded conductor wire 2 on the side different from the previously formed bent portion 20F is bent outside the insulating sheet 41A to form a bent portion 21F. That is, the bent portion 21F is formed at a location different from the connection portion 2C and the hardened portion 2E of the cold-welded conductor wire 2.
- FIG. 37 the portion of the cold-welded conductor wire 2 bent at the bent portion 21F is placed on the insulating sheet 42A.
- the insulating sheet 42A is bent inward by a fold line 42B1, and the cold-welded conductor wire 2 bent by the bent portions 20F and 21F is covered by the insulating sheet 42A.
- an adhesive portion 42 ⁇ / b> S for bonding the side surface of the insulating sheet 42 ⁇ / b> A using an adhesive tape, an adhesive, an ultrasonic welding machine, or the like is formed. Thereby, the insulating case 42 is configured.
- the insulating part length 42L of the insulating case 42 is longer than the hardened part length 2EL including the connection part 2C and the hardened part 2E. Therefore, the connection part 2C and the hardening part 2E can be reliably insulated.
- the description is abbreviate
- the same effects as those of the first embodiment can be obtained.
- the case can be configured easily.
- the insulating sheet is formed so as to enclose the connection portion and the cured portion.
- the insulating sheet is connected to the connection portion. Can be formed, and the same effects as in the above embodiments can be obtained.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Motors, Generators (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
- Windings For Motors And Generators (AREA)
Abstract
Description
また、キャップではない、他の一般的な絶縁構造は、結線部全体を覆う熱収縮チューブを被せ、加熱収縮させることにより、熱収縮チューブを固定して結線部の絶縁構造を構成することができる。
2つの導体線が冷間圧接により接続された結線部を有する冷間圧接導体線において、
前記結線部と異なる箇所にて屈曲された屈曲部と、
前記結線部を絶縁シートにて巻き込むとともに接着して形成された絶縁ケースとを備えたものである。
巻線コイルおよび外部引き出し線を備えた電動機において、
前記巻線コイルの引き出し線と前記外部引き出し線とが冷間圧接により接続された結線部と、
前記結線部と異なる箇所で屈曲された屈曲部と、
前記結線部を絶縁シートにて巻き込むとともに接着して形成された絶縁ケースとを備えたものである。
電動機巻線コイルおよび外部引き出し線を備えた電動機の製造方法において、
前記巻線コイルの引き出し線と前記外部引き出し線とが冷間圧接により接続して結線部を形成する工程と、
前記結線部と異なる箇所を屈曲して屈曲部を形成する工程と、
絶縁シートにて前記結線部を巻き込むように覆うとともに接着して絶縁ケースを形成する工程とを備えたものである。
結線部の品質を簡便にかつ低コストにて確保することができる。
以下、本願発明の実施の形態について説明する。図1はこの発明の実施の形態1の冷間圧接導体線の構成を示す斜視図である。図2は図1に示した冷間圧接導体線の冷間圧接に用いる冷間圧接用ダイスの構成を示す斜視図である。図3は図2に示した冷間圧接用ダイスの構成を示す分解図である。図4から図17は図1に示した冷間圧接導体線の製造方法を示す図である。図18から図20は図1に示した冷間圧接導体線を用いた電動機の構成を示す図である。図21はこの発明の実施の形態1の冷間圧接導体の絶縁ケースの他の構成を示す斜視図である。
上記実施の形態1においては、絶縁ケースに引っ掛け部を形成する例を示したが、これに限られることはなく、本実施の形態2においては、絶縁ケースを簡便に形成する構成例について説明する。図22はこの発明の実施の形態2の冷間圧接導体線の構成を示す斜視図である。図23から図29は図22に示した冷間圧接導体線の製造方法を示す図である。図30はこの発明の実施の形態2の他の冷間圧接導体線の構成を示す斜視図である。図31から図38は図30に示した冷間圧接導体線の製造方法を示す図である。
Claims (14)
- 2つの導体線が冷間圧接により接続された結線部を有する冷間圧接導体線において、
前記結線部と異なる箇所にて屈曲された屈曲部と、
前記結線部を絶縁シートにて巻き込むとともに接着して形成された絶縁ケースとを備えた冷間圧接導体線。 - 前記屈曲部は、前記冷間圧接により2つの前記導体線に形成された硬化部と異なる箇所に形成されている請求項1に記載の冷間圧接導体線。
- 前記絶縁ケースは、内側に引っ掛け部を有し、
前記屈曲部は、前記絶縁ケースの内側で前記引っ掛け部にて引っ掛けられて形成されている請求項2に記載の冷間圧接導体線。 - 前記絶縁ケースは、前記冷間圧接により2つの前記導体線に形成された硬化部を巻き込むように形成された請求項1に記載の冷間圧接導体線。
- 前記絶縁ケースは、前記硬化部を巻き込むように形成された請求項2または請求項3に記載の冷間圧接導体線。
- 巻線コイルおよび外部引き出し線を備えた電動機において、
前記巻線コイルの引き出し線と前記外部引き出し線とが冷間圧接により接続された結線部と、
前記結線部と異なる箇所で屈曲された屈曲部と、
前記結線部を絶縁シートにて巻き込むとともに接着して形成された絶縁ケースとを備えた電動機。 - 前記屈曲部は、前記冷間圧接により前記巻線コイルの引き出し線と前記外部引き出し線とに形成された硬化部と異なる箇所に形成されている請求項6に記載の電動機。
- 前記絶縁ケースは、内側に引っ掛け部を有し、
前記屈曲部は、前記絶縁ケースの内側で前記引っ掛け部にて引っ掛けられて形成されている請求項7に記載の電動機。 - 前記絶縁ケースは、前記冷間圧接により前記巻線コイルの引き出し線と前記外部引き出し線とに形成された硬化部を巻き込むように形成された請求項6に記載の電動機。
- 前記絶縁ケースは、前記硬化部を巻き込むように形成された請求項7または請求項8に記載の電動機。
- 前記絶縁ケースを前記巻線コイルに固定する固定部を備えた請求項6から請求項9のいずれか1項に記載の電動機。
- 前記絶縁ケースを前記巻線コイルに固定する固定部を備えた請求項10に記載の電動機。
- 巻線コイルおよび外部引き出し線を備えた電動機の製造方法において、
前記巻線コイルの引き出し線と前記外部引き出し線とが冷間圧接により接続して結線部を形成する工程と、
前記結線部と異なる箇所を屈曲して屈曲部を形成する工程と、
絶縁シートにて前記結線部を巻き込むように覆うとともに接着して絶縁ケースを形成する工程とを備えた電動機の製造方法。 - 前記絶縁ケースを前記巻線コイルに固定する工程を備えた請求項13に記載の電動機の製造方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015558706A JPWO2015111214A1 (ja) | 2014-01-27 | 2014-01-27 | 導体線および電動機および電動機の製造方法 |
PCT/JP2014/051662 WO2015111214A1 (ja) | 2014-01-27 | 2014-01-27 | 冷間圧接導体線および電動機および電動機の製造方法 |
CN201480071162.2A CN105940581A (zh) | 2014-01-27 | 2014-01-27 | 冷压焊导线、电动机以及电动机的制造方法 |
US15/038,825 US20160380500A1 (en) | 2014-01-27 | 2014-01-27 | Conductor wire, electric motor, and electric motor manufacturing method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2014/051662 WO2015111214A1 (ja) | 2014-01-27 | 2014-01-27 | 冷間圧接導体線および電動機および電動機の製造方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015111214A1 true WO2015111214A1 (ja) | 2015-07-30 |
Family
ID=53681042
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2014/051662 WO2015111214A1 (ja) | 2014-01-27 | 2014-01-27 | 冷間圧接導体線および電動機および電動機の製造方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20160380500A1 (ja) |
JP (1) | JPWO2015111214A1 (ja) |
CN (1) | CN105940581A (ja) |
WO (1) | WO2015111214A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2022066308A (ja) * | 2018-02-08 | 2022-04-28 | 株式会社アスター | コイルユニットの製造方法 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20210272752A1 (en) * | 2018-07-17 | 2021-09-02 | Aster Co., Ltd. | Coil manufacturing apparatus, coil manufacturing system, coil manufacturing method, and coil |
JP7376902B2 (ja) | 2019-02-19 | 2023-11-09 | 株式会社アスター | コイル接合体およびコイル接合体の製造方法 |
JP7373827B2 (ja) * | 2019-02-19 | 2023-11-06 | 株式会社アスター | コイル接合体およびコイル接合体の製造方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5857256U (ja) * | 1981-10-13 | 1983-04-18 | 三菱電機株式会社 | 固定子コイル接続部の絶縁用ケ−ス |
JPH0557760U (ja) * | 1992-01-10 | 1993-07-30 | 住友電装株式会社 | 圧着端子 |
JPH0687001A (ja) * | 1992-09-09 | 1994-03-29 | Nippon Steel Corp | 深絞り性と耐かじり性に優れた表面処理鋼板 |
JPH07130233A (ja) * | 1993-11-04 | 1995-05-19 | Sumitomo Wiring Syst Ltd | ワイヤハーネスの結束構造およびワイヤハーネスの結束方法 |
JPH08168160A (ja) * | 1994-12-14 | 1996-06-25 | Tohoku Electric Power Co Inc | ケーブル接続方法 |
JP2001286086A (ja) * | 2000-03-30 | 2001-10-12 | Matsushita Electric Ind Co Ltd | モータ |
JP2004022237A (ja) * | 2002-06-13 | 2004-01-22 | Yazaki Corp | 角ワイヤーと端子との接続構造 |
JP2005278289A (ja) * | 2004-03-24 | 2005-10-06 | Toshiba Corp | 回転電機の中性点端子装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04155779A (ja) * | 1990-10-19 | 1992-05-28 | Hitachi Cable Ltd | 絶縁電線の接続部および接続方法 |
JPH0652349U (ja) * | 1992-12-18 | 1994-07-15 | 株式会社明電舎 | 巻線接続部絶縁を備えた回転電機 |
-
2014
- 2014-01-27 JP JP2015558706A patent/JPWO2015111214A1/ja active Pending
- 2014-01-27 US US15/038,825 patent/US20160380500A1/en not_active Abandoned
- 2014-01-27 WO PCT/JP2014/051662 patent/WO2015111214A1/ja active Application Filing
- 2014-01-27 CN CN201480071162.2A patent/CN105940581A/zh active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5857256U (ja) * | 1981-10-13 | 1983-04-18 | 三菱電機株式会社 | 固定子コイル接続部の絶縁用ケ−ス |
JPH0557760U (ja) * | 1992-01-10 | 1993-07-30 | 住友電装株式会社 | 圧着端子 |
JPH0687001A (ja) * | 1992-09-09 | 1994-03-29 | Nippon Steel Corp | 深絞り性と耐かじり性に優れた表面処理鋼板 |
JPH07130233A (ja) * | 1993-11-04 | 1995-05-19 | Sumitomo Wiring Syst Ltd | ワイヤハーネスの結束構造およびワイヤハーネスの結束方法 |
JPH08168160A (ja) * | 1994-12-14 | 1996-06-25 | Tohoku Electric Power Co Inc | ケーブル接続方法 |
JP2001286086A (ja) * | 2000-03-30 | 2001-10-12 | Matsushita Electric Ind Co Ltd | モータ |
JP2004022237A (ja) * | 2002-06-13 | 2004-01-22 | Yazaki Corp | 角ワイヤーと端子との接続構造 |
JP2005278289A (ja) * | 2004-03-24 | 2005-10-06 | Toshiba Corp | 回転電機の中性点端子装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2022066308A (ja) * | 2018-02-08 | 2022-04-28 | 株式会社アスター | コイルユニットの製造方法 |
JP7417302B2 (ja) | 2018-02-08 | 2024-01-18 | 株式会社アスター | コイルユニットの製造方法 |
Also Published As
Publication number | Publication date |
---|---|
US20160380500A1 (en) | 2016-12-29 |
CN105940581A (zh) | 2016-09-14 |
JPWO2015111214A1 (ja) | 2017-03-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US10644556B2 (en) | Method of manufacturing armature coil | |
JP6299723B2 (ja) | ステータコイル形成方法 | |
US6501206B2 (en) | Stator of dynamo-electric machine and manufacturing method therefor | |
WO2015111214A1 (ja) | 冷間圧接導体線および電動機および電動機の製造方法 | |
US9954408B2 (en) | Motor stator with improved connection member | |
JP5849802B2 (ja) | 回転電機及びセグメントの製造方法 | |
JP2015023771A (ja) | 回転電機ステータ及びその製造方法 | |
JP2013005541A (ja) | バスバーの成形方法、バスバー | |
JP6330670B2 (ja) | ステータの製造方法 | |
JPWO2010082465A1 (ja) | 積層コアの製造方法及びその製造治具 | |
JP6193122B2 (ja) | 雄電気端子 | |
CN102577035A (zh) | 马达 | |
US20160148741A1 (en) | Surface-mount inductor and a method for manufacturing the same | |
JP2013102569A (ja) | ステータの製造方法及び製造装置 | |
JP5282153B1 (ja) | レゾルバのステータ及びステータ組立体の製造方法 | |
JP2006288017A (ja) | 回転電機用界磁装置 | |
US20190006963A1 (en) | Wire connecting structure and wire connecting method of three-phase motor, and three-phase motor | |
CN107846086B (zh) | 马达定子及其制造方法 | |
JP2009165312A (ja) | カフスサポータ及びそれを用いたステータ製造方法 | |
JP2012244803A (ja) | ステータ製造方法 | |
JP2014161176A (ja) | 回転電機のステータの製造方法 | |
JP2010259174A (ja) | モータステータの製造方法 | |
JP6973055B2 (ja) | 導体接合方法 | |
JP6736776B2 (ja) | アンテナ・セグメント及びマルチ・セグメント・アンテナ | |
TWM505045U (zh) | 快速組裝式變壓器及其不對稱雙切型卷鐵心結構 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 14879746 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2015558706 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 15038825 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 14879746 Country of ref document: EP Kind code of ref document: A1 |