WO2002013354A1 - Moteur sans balai et son procede de fabrication - Google Patents

Moteur sans balai et son procede de fabrication Download PDF

Info

Publication number
WO2002013354A1
WO2002013354A1 PCT/JP2001/006485 JP0106485W WO0213354A1 WO 2002013354 A1 WO2002013354 A1 WO 2002013354A1 JP 0106485 W JP0106485 W JP 0106485W WO 0213354 A1 WO0213354 A1 WO 0213354A1
Authority
WO
WIPO (PCT)
Prior art keywords
terminal
coil
core
evening
brushless motor
Prior art date
Application number
PCT/JP2001/006485
Other languages
English (en)
Japanese (ja)
Inventor
Shigeru Yoshida
Kodo Fukuoka
Masafumi Kumoi
Koji Kuyama
Original Assignee
Matsushita Electric Industrial Co., Ltd.
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 Matsushita Electric Industrial Co., Ltd. filed Critical Matsushita Electric Industrial Co., Ltd.
Priority to AU2001275793A priority Critical patent/AU2001275793A1/en
Publication of WO2002013354A1 publication Critical patent/WO2002013354A1/fr

Links

Classifications

    • 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
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/14—Stator cores with salient poles
    • H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
    • H02K1/148—Sectional cores
    • 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
    • H02K15/0062—Manufacturing the terminal arrangement per se; Connecting the terminals to an external circuit
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2203/00—Specific aspects not provided for in the other groups of this subclass relating to the windings
    • H02K2203/03—Machines characterised by the wiring boards, i.e. printed circuit boards or similar structures for connecting the winding terminations
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2211/00—Specific aspects not provided for in the other groups of this subclass relating to measuring or protective devices or electric components
    • H02K2211/03—Machines characterised by circuit boards, e.g. pcb

Definitions

  • the present invention relates to a small brushless machine suitable for use in a portable electronic device and a method for manufacturing the same, and more particularly to a wire processing technique for a coil thereof.
  • J P—A—6—4 6 5 4 3 is a typical example.
  • the core has a plurality of salient poles extending radially from the annular portion, and a coil is wound around the salient poles.
  • a terminal is provided in the slot between the salient poles, and a coil terminal is wound around this terminal.
  • the evening terminal is integrally formed and held by a resin ring as a holding member to form a strong evening terminal assembly, and the terminal is prevented from being deformed or displaced by the terminal winding operation, and is connected to the external power supply terminal. Correctly soldered You.
  • Such terminals are often used in small brushless rooms.
  • this structure is provided with a terminal that protrudes from the ring to the slot, this terminal needs to be rigid and must be thick and strong. Therefore, this method cannot be applied to models that require a compact and high-density device that cannot provide a thick solid terminal in the slot.
  • the resin ring must be thick and strong because the evening rim is formed and held integrally by the resin ring. Therefore, it cannot be applied to motors that require a small and thin design so that a resin ring cannot be placed on the annular part of the core.
  • JP-A-4-193053 which is another known example, can be considered.
  • a resin-molded insulator has been often arranged on the end face of the core to insulate the core from the coil.
  • the salient pole in the insulation is provided. Yuichi Minal made of a thin metal plate is embedded in the area corresponding to. The coil is wound and held so as to bundle the salient poles and the terminal.
  • the rigidity of this terminal is smaller than that of JP-A-6-465-43. Can be positioned correctly.
  • the terminal holding member is placed in the annular part because the terminal is held on the core by the coil and the coil. There is no need to secure a space in which a bearing holding structure is provided. That is, the invention disclosed in JP-A-4-193053 solves the problem of the invention of JP-A-6-46553.
  • the thickness of the module increases by the total thickness of the terminal and its insulating layer.
  • its thickness must be as thin as possible.
  • the thickness of the resin in the portion to cover the resin insulating layer generally has to be about 0.2 mm or more due to restrictions due to molding fluidity. Therefore, when both sides are combined, a thickness of 0.4 mm is consumed for insulation, and this problem becomes a problem in the case where small size and thinness are strictly required.
  • FPC flexible printed circuit board
  • the thickness of the FPC including copper foil can be as thin as about 0.1 mm, so the thickness of the motor including this can be reduced, making it suitable for forming small and thin motors. . That is, here, the problem of the known technology disclosed in JP-A-.4-193053 has been solved.
  • the FPC cannot function as a terminal. Because the FPC has a multilayer structure in which an insulator made of a resin film is laminated on the surface, the bent portion has a large springback and changes with time, and the bent shape cannot be maintained accurately. Because it is. In other words, it is not suitable for adopting a configuration in which the coil terminal connecting portion is bent and projected in the axial direction and connected to the external power supply terminal arranged on one side of the coil. Therefore, in the method described in JP-A-7-9.5.740, the FPC is superimposed on the end face of the core. The terminal of the coil is directly connected to the external power supply terminal provided on the FPC. ing.
  • the present invention provides a compact, high-density device that can not be obtained by these known technologies and that can connect a coil terminal to an external power supply terminal of a substrate disposed adjacent to one side of a coil and has no sufficient free space in a slot portion.
  • the wire is suitable for a large motor, and it is not necessary to arrange a holding member in the annular part of the core, so that a space for the bearing holding structure etc. can be secured, and the wire can be made smaller and thinner.
  • a small brushless camera having a processing structure and a method for manufacturing the same. The aim is to obtain a motor that is extremely small and thin but has high assembly productivity.
  • a brushless motor includes a core, a coil, and an evening terminal made of a plate-shaped metal member, wherein the core is circular. It has an annular portion and a plurality of salient poles extending radially from the annular portion, and a plurality of evening terminals are held on the surface of the salient pole in a state of being separated from each other.
  • the coils are wound so as to be bundled, and the terminal of each coil is connected to the terminal.
  • a plurality of evening terminals are radially arranged in advance and connected by a connecting member on an inner peripheral side or an outer i side thereof, and an annular portion and the annular portion are formed.
  • Each terminal is superimposed on the surface of each salient pole in a core having a plurality of salient poles extending radially from the portion, and a coil is wound so as to bundle these salient poles and the terminal, and the terminal of the coil is wound.
  • the terminal is connected to the terminal, and the connecting member is cut and removed to achieve electrical insulation between the terminals.
  • the core is kept electrically and mechanically separated from each other while maintaining its position by the core, and the coil has the function of holding the terminal on the salient pole surface. Fulfill. In this way, all of the functions of the known terminal holding member are replaced, and the terminal holding member is eliminated. In addition, this structure enables the use of thin and small terminal. ⁇ Therefore, the terminal can be made extremely small and thin with a terminal.
  • FIG. 1 is a sectional view showing a structure of a brushless camera according to a first embodiment of the present invention
  • Fig. 2 shows the terminal in Fig. 1 connected by a connecting member.
  • FIG. 3 is a diagram showing a state in which the structure shown in FIG.
  • Fig. 4 is a diagram showing the state where the coil is wound around the one shown in Fig. 3,
  • FIG. 5 is a view showing a state in which the terminal and the coil terminal in FIG. 4 are joined by arc welding.
  • Fig. 6 is a diagram illustrating cutting and removing the connecting member in Fig. 5
  • Fig. 7 is a diagram illustrating a state in which the arc welding joint in Fig. 6 is resistance-welded to a power supply terminal.
  • FIG. 8 is a view showing one example of a second embodiment of the present invention in which a brushless motor for manufacturing a brushless module is connected with a connecting member,
  • FIG. 9 is a view for explaining cutting and removing the connecting member after stacking the one shown in FIG. 8 on the core.
  • FIG. 10 is a diagram for explaining that the coil is wound around the one shown in FIG. 9 and the terminal and the coil end are joined by arc welding;
  • FIG. 11 is a diagram illustrating a motor stay assembly according to a first prior art
  • FIG. 12 is a diagram illustrating a motor setup according to a second prior art
  • FIG. 11 is a diagram illustrating a motor stay assembly according to a first prior art
  • FIG. 12 is a diagram illustrating a motor setup according to a second prior art
  • FIG. 11 is a diagram illustrating a motor stay assembly according to a first prior art
  • FIG. 12 is a diagram illustrating a motor setup according to a second prior art
  • FIG. 11 is a diagram illustrating a motor stay assembly according to a first prior art
  • FIG. 12 is a diagram illustrating a motor setup according to a second prior art
  • FIG. 12 is a diagram illustrating a motor setup according to a second prior art
  • FIG. 13 is a perspective view of a stay assembly of a motor according to a third conventional technique.
  • FIG. 11 shows the one disclosed in JP-A-6-44653.
  • the core 101 has a plurality of salient poles 103 radially extending from the central annular portion 102. Is wound.
  • a slot 105 between the salient poles 103 is provided with an evening terminal 105, and a coil terminal 106 is wound and connected to the terminal 105.
  • the coil terminal winding portion is formed to be bent in the axial direction of the core 101, and the external coil is disposed at a position on one side of the coil 104 along the axial direction of the core 101.
  • the power supply terminal 107 (in this case, the land on the FPC 108) can be soldered.
  • the Yuichi Minor 105 is molded and held together by a resin ring provided behind (end face) the annular part 102 of the core 101. I have.
  • the resin ring is press-fitted and fixed to the annular portion 102.
  • the terminal 105 for holding the coil terminal 106 is provided, and the terminal 105 is arranged in an empty space in the slot between the salient poles 103 to perform wire processing.
  • the soldering workability is improved without increasing the motor dimensions.
  • the terminal ⁇ 05 is integrally formed and held by a resin ring as a holding member to form a strong terminal assembly. Soldered correctly. Such terminals are often used in small brushless rooms.
  • this structure is provided with a terminal 105 extending from the annular portion 102 to the slot, the terminal 105 needs rigidity and is thick and strong. There must be. Therefore, it is necessary to arrange a thick and strong terminal 105 in the slot. It cannot be applied to models that require a compact and high density that cannot be achieved.
  • the structure of this terminal 105 is integrally formed and held by a resin ring, the resin ring is also thick and strong. There must be. Therefore, it cannot be applied to motors that require a thin and thin wall because a resin ring cannot be arranged in the annular portion 102 of the core 101.
  • FIG. 12 shows an invention disclosed in JP-A-413-93 which has solved such a technical problem.
  • FIG. 7A is a sectional view taken along the line in FIG.
  • the insulator 11 is; LG Terminals 1 and 2 made of thin metal plates are embedded in the salient poles 1.14. Then, although not shown, the coils are wound so as to bundle the salient poles 1 14 and the evening 1 1 2 and the holding is performed.
  • the terminal 1 1 2 has a coil end winding 1 13 at the tip thereof bent in the axial direction [ ⁇ ], and the coil end winding 1 13 is disposed adjacent to the coil C on one side. It can be soldered to a printed wiring board (external power supply terminal on top, neither shown).
  • the total thickness of the terminals 112 and the insulating layer increases.
  • its thickness must be as thin as possible.
  • the thickness of the resin in such a portion generally has to be about 0.2 mm or more due to restrictions due to molding fluidity. Therefore, when both surfaces are aligned, a thickness of 0.4 mm is required for insulation, and this is a problem for motors that require strict miniaturization.
  • the FPC 124 cannot function as an overnight terminal. (Because the FPC 124 has a multilayer structure in which insulators made of grease film are stacked on the surface.) Bending: The springback of the part and the change with time are large, and the bending shape can be precisely controlled. Because it cannot be maintained. In other words, it is not suitable for adopting a configuration in which the coil terminal connecting portion is bent and projected in the axial direction and connected to an external power supply terminal arranged on one side of the coil. Therefore, in this known technology, the FPC 124 is superimposed on the end face of the core 122, and the terminal 127 of the coil is directly connected to the external power supply terminal 126 provided on the FPC 124. Have been. '
  • the motors shown in Figs. 1 to 7 are brushless motors that have an extremely small and thin shape with an outer diameter of about 10 mm, for example, and are used for vibration notification in mobile phones and the like. is there.
  • this mode is composed of a stay (non-rotating part) 1, a mouth (rotating part) 2, and a cover 18.
  • the mouth-to-mouth frame 2 is mainly composed of the mouth-to-mouth frame 11, and a ring-shaped magnet 12 is mounted inside.
  • An eccentric weight 13 is attached to the mouth frame 11.
  • the mouth frame 11 rotates about a shaft 14 attached to the center thereof.
  • Station 1 mainly consists of a motor pace 15, and a winding assembly consisting of a core 21, a coil 22, and a terminal 31 is attached to this motor pace 5, and further supports a shaft 14.
  • the coil terminal 2 is connected to the power supply terminal 17 of the mobile base 15.
  • the power supply terminal 7 is provided at a position adjacent to one side of the coil 22 along the axial direction of the motor. Then, as described above, the mouth 14 is rotatably fitted with the metal 16 in a rotatable state, and is covered with the cap-shaped bar 18.
  • a power supply terminal 17 is exposed on the lower surface of the motor, so that the motor can be reflow-connected to a device board (not shown).
  • the completed motor is connected to the board of the equipment (mobile phone) as described above, and the coil 22 is energized via the metal power supply terminal 17 on the lower surface, thereby rotating the contactor 2. I do. Then, vibration is generated by the eccentric weight 13 attached to the mouth 2 to vibrate the equipment.
  • the stay 1 Since the present invention relates to the structure of the stay 1, the stay 1 will be described in detail below.
  • Figure 2 shows the shape of the terminal.
  • six evening terminals 1 are arranged radially, and they are connected together by a connecting member 32 placed at the center.
  • the connecting member 32 has a positioning hole 32a in the center thereof in a penetrating state.
  • each terminal 31 the holding portion 31 a overlaps the salient pole of the base core, which is made wider, and the distal end side is the coil terminal connection portion lb.
  • the connecting member is Terminals 31 are interconnected by 2 and maintain their positions with each other.
  • the coil terminal connection 3 lb is shifted from the holder 31 a in the motor axial direction.
  • a member 31 f extends to the body in the rotation direction of the motor, and furthermore, the tip of the material 31 f It is bent in the axial direction to form the guide part 31 d of the crossover.
  • Yuichi Minal 31 is made of a non-magnetic metal, that is, a copper alloy plate such as a phosphor bronze plate having a thickness of about 80 / m.
  • the region represented by the dotted-line hatching is the insulating film 31e.
  • the insulating film 31e is formed radially inward of the bent portion 31c and radially outward of the connecting member 32. In other words, the bent portion 31c and the coil terminal connecting portion 3.1b are not insulated.
  • the insulating film 31e can be formed, for example, by vapor deposition of a polyimide-based material when thinness is given the highest priority. According to this, a thickness of several meters can be used practically, but 3 m must be considered as the limit of thickness in order to give a withstand voltage of about 30 QV to the insulating film.
  • a method of applying a liquid thermosetting resin by a screen printing method and curing it, and a thickness of 10 to 30 m was used. A film is formed. If priority is given to the pressure resistance and heat resistance reliability including burrs, the thickness of the mask screen should be increased or the viscosity of the liquid should be controlled, etc. It may be a thickness. Therefore, the thickness of the insulating film 31e is preferably 3 m or more and 100 m or less.
  • FIG. 3 shows a state in which the evening terminal 31 is overlaid on the surface of the core 21.
  • the core 21 has an annular portion 21a near the center, and six salient poles 21b radially extending outward from the annular portion 21a.
  • the terminal 31 is arranged in contact with the salient pole 2 lb of the core, and is temporarily fixed using an adhesive or the like. At this time, the thickness of the terminal 31 is about 0.1 mm including the insulation film, and the increase in the thickness of the terminal is small.
  • the structure of the terminal 31 will be described again in relation to the core 21.
  • the coil terminal connection part 3 1b of the terminal 31 is bent from the surface of the core 21 by the bent part 31c. It is axially separated and extends radially parallel to the core surface.
  • the bent portion 31c is located near the outer peripheral surface 2lc of the core, and does not project radially outward from the outer peripheral surface 2.lc.
  • the connecting member 32 is inside the annular portion 21a of the core.
  • the member 3 ⁇ f extends from the holding portion 31 a of the evening terminal 31 along the surface of the annular portion 21 a, and the crossover guide portion 31 d is just between the salient poles 21 b. At the center between them, it protrudes in the axial direction of the motor.
  • FIG. 4 shows a state where the coil 22 is wound around the one shown in FIG. 3.
  • Mo Mo is a three-phase brushless Mo and has three sets of coils 22 (and salient poles 2 lb).
  • the coil 22 is wound around, for example, the rightmost salient pole 21b in FIG. 4 (a), and the crossover 24 is guided to a plurality of crossover guides 31d. It is wound counterclockwise while being wound, and wound around the leftmost salient pole 21b.
  • the coil terminals 23 are located near the tip of each salient pole 21b. It is wound around a coil terminal connection part 31b. This is repeated three times at three locations, completing the assembly as shown in the figure.
  • the insulation film 31 e of the evening terminal was applied so as to cover the portion in contact with the coil 22 and the portion in contact with the crossover 24 in the evening terminal 31, and the terminal 31 and the coil 2 2 is kept insulated. Evening Minal 3 1 is in contact not only with coil 2 2 but also with core 21, but by forming an insulating film on core 21, insulation can be similarly secured. Therefore, in this case, it is not always necessary to insulate the portion of the terminal 31 in contact with the core 21.
  • the coil end 23 is joined to the coil end connecting portion 31b by arc welding. To this end, as shown in FIG. 4 (b), first, the ground electrode 71 of the welding machine is electrically connected to the central connecting member 32 of the evening terminal 31.
  • the ground electrode 71 is pressed against the positioning hole 32 a at the center of the connecting member 32.
  • the welding electrode 72 is arranged so as to face the tip of the coil terminal connecting portion 31b. Then, “arc discharge” is generated, and the coil terminal 23 and the coil terminal connecting portion 31b are fusion-bonded. This operation is performed six times while rotating the core 21 by 60 °, and the welding is completed.
  • a non-consumable electrode such as tungsten is used as the welding electrode 72, and the periphery of the molten portion is covered with an inert gas such as argon which is jetted from a gap 77 around the outer periphery of the contact electrode 72. Oxidation is prevented.
  • Figure 5 shows the state where welding has been completed.
  • the base material of the coil terminal connection part 31b is melted and joined so as to wrap the coil terminal 23.
  • 3 1 h is the beam arc welded joint.
  • the connecting member 32 in the center is cut and removed by the cutting tool 73 as shown in FIG.
  • the cut part 31g is the annular part Slightly protrudes inside 2 1a.
  • the cutting tool 73 is operated while being guided in the vicinity of the annular portion 21a of the core, so that the remaining projecting portion is made as small as possible.
  • the evening miners 3 1 are separated from each other and overlap the surfaces of the salient poles 21 b.
  • the coil 22 is wound so as to bundle the salient pole 2 1b and the Yuichi Minaru 3 1 while maintaining the position. Therefore, the motor can be configured to be extremely small and thin while having the terminal 31.
  • a plurality of terminals 31 are arranged radially in advance, and the inner peripheral side thereof is connected by a connecting member 32. After connecting the terminal 31 to the end face of the salient pole 21b, the connecting member 32 is held. Is cut and removed to provide electrical insulation between the evening mina 31.This eliminates the need for a member that holds a plurality of evening mina 31 and improves the workability of assembly. ing. Also, salient pole 2 1b is connected to terminal 3 by connecting member 3 2. A plurality of terminals 31 can be handled while maintaining the mutual position until 1 is maintained, which also improves the assembly workability. Therefore, good assemblability can be realized in a small and thin motor.
  • a cut portion 3 lg which is an inner peripheral end thereof protrudes more inward than the annular portion 21 a of the core 21. That is, cutting can be performed in a state of protruding inward from the contour of the core 21. Therefore, when the method of cutting and removing the connecting member 32 after holding the terminal 31 superimposed on the surface of the salient pole 21b is adopted, the cutting tool 73 can be easily inserted and the workability is good.
  • the terminal 31 is superposed and held on the surface of the salient pole 21b, and the portion in contact with the core 21 or the coil 22 is formed with an insulating film 31e, which is much thinner than a known one, and is electrically operated. Insulation is achieved. This eliminates the need for a member to hold the evening minal, and at the same time minimizes the increase in the thickness of the motor due to the terminal 31 overlapping the salient pole 21b. .
  • the external power supply terminal 17 is arranged on a flat board (motor pad 15), and is provided at a position adjacent to one side of the coil 22 along the motor axis direction. Then, the electrical terminal 17 of the module is placed on the lowermost surface of the board (base 15), which provides good connectivity with the equipment. When assembling, it is possible to assemble simply by stacking the parts, so that the assembling performance is excellent.
  • the evening terminal 31 has an axial bent portion 31c in the middle between the holding portion 31a and the terminal connection portion 31b of the coil. 3 1 b is away from core 21 in the axial direction of motor As a result, the contact with the magnet 12 can be avoided, and the coil terminal holding portion 31b can be provided at a position where the external power supply terminal 17 can be easily arranged and connected.
  • the outer perimeter of the salient pole and the magnet are close to each other, and the evening mina held by the salient pole is also close to the magnet in the mode of the night and evening type.
  • the terminal 31 is bent to avoid contact between them.
  • Terminal 31 is made of a copper-based alloy as a non-magnetic metal, which is a metal of the same type as coil 22. And good joining quality can be obtained. Also, it is possible to prevent an unnecessary magnetic loop from being created between the terminal 31 and the magnet 12 which are arranged close to each other.
  • the terminal 31 has a guide portion 31d that regulates the position of the crossover 24 in the annular portion 21a, so that the crossover can be easily performed while suppressing an increase in cost-up space. 24 position control can be performed.
  • the coil terminal connection part 3 lb of the terminal 31 is located on the outer peripheral side of the salient pole 21 b of the core 21, that is, the core 21 and the coil 22 are viewed from the axial direction of the motor. Since it is located radially outside of the contour, a tool for connecting this coil terminal connecting portion 31b to the external power supply terminal 17 such as the resistance welding head shown in FIG. , And the work of making the connection easy.
  • the coil 22 After overlapping and holding the terminal 31 on the surface of the salient pole 2 1b, the coil 22 is wound so that the salient pole 2 lb and the Yuichi Minar 3 1 are bundled. It is not necessary to hold the evening terminal 31 by other means until the end, and handling becomes easier, and when the evening terminal 31 is connected, the connecting portion is separated before winding. The degree of freedom of the process increases, such as separation.
  • an insulating film 31 ⁇ ⁇ having high heat resistance can be formed with high productivity.
  • these resins can be selectively applied in the manufacturing process and quickly cured and dried, the insulation treatment can be performed with high productivity.
  • the thickness of the film can be easily controlled, and an insulating film having a thickness suitable for various required characteristics such as thinness, productivity, pressure resistance and heat resistance can be easily obtained.
  • a second embodiment of the present invention will be described with reference to FIGS.
  • the second embodiment is different from the first embodiment in that the connection structure of Yuichi Minaru 51 is changed and the manufacturing process is changed accordingly. In the following, it seems that there is no change or redundancy compared to the first embodiment. Parts and illustrations are omitted from illustration and description.
  • Figure 8 shows the shape of terminal 51. This is one in which six evening terminals 51 are arranged radially, and each terminal 51 is integrally connected by a frame-shaped connecting member 52 placed outside these terminals 51. .
  • the holding part 51a whose base overlaps the salient pole of the core, the tip part formed at the outer part along the radial direction
  • the coil terminal connecting portions 5 1 b are connected to each other by the connecting member 52.
  • the holding portion 51 a and the coil terminal connecting portion 5 There are two bends 51c in the middle part of 1b, whereby the coil terminal connection 51b is shifted in the axial direction of the motor.
  • the insulating film 51 e is formed on a part of the surface of the terminal 51.
  • the broken line in Fig. 8 (a) The area represented by the hatched area is the insulating film 51 e.
  • the annular portion 41 a of the core 41 (Fig. 9) No inner peripheral end portion 5 1 g in the insulating film is formed to overlap, and has a left exposed metal surface.
  • FIG. 9 shows a state where the terminal 51 is overlaid on the surface of the core 41.
  • the terminal 51 is arranged in contact with the salient pole 41b of the core 41, and is fixed using an adhesive or the like.
  • the connecting member 52 is cut off from the evening terminal 51. 'At this time, cutting is performed using a cutting tool 74 as shown in the drawing at the tip end 51 h of the coil terminal connecting portion 51 b.
  • FIG. 10 shows the coil after the connecting member 52 is cut and removed. 22 indicates a wound state.
  • the winding operation is completed by repeating the process three times in the same manner as in the first embodiment.
  • the coil terminal connection portion 5 1 b and the coil terminal 23 are joined by arc welding.
  • the ground electrode 75 ′ of the welding machine is connected to the metal exposed surface at the innermost periphery of the terminal, that is, the inner periphery 51. electrically connected to g.
  • a ground electrode 75 as shown in FIG. 10 (b) is used.
  • the ground electrode 75 is formed by fitting a ring-shaped electrode 75b to a guide rod 75a fitted into the innermost positioning hole 41c of the core 41.
  • the welding electrode 72 is arranged so as to face the tip of the coil terminal connecting portion 51b. Then, arc discharge is caused to fuse and join the coil terminal connecting portion 51b and the coil terminal 23. This operation is performed 6 times while rotating the core 41 by 60 ° to complete the welding. , ..
  • the winding assembly completed in this manner is mounted on the motor and pedestal in the same manner as in the first embodiment, and the coil terminal connecting portion 51b of the evening terminal 51 is connected to the power supply terminal.
  • the motor is completed.
  • the terminals 51 are preliminarily arranged radially and integrally connected to the frame-shaped connecting member 52 on the outer peripheral side, and the salient poles 4 1b After the terminal 51 is superimposed and held on the surface of the terminal 51, the connecting member 52 is cut and removed, so that electrical insulation between the terminal 51 is achieved. This eliminates the need for a member that holds the evening light and improves workability in assembly.
  • the coil terminal connecting portion 51b protrudes more outward than the salient poles 41b of the core 41. That is, the contour of core 4 1 Protruding outward. Therefore, when a method of cutting and removing the connecting member 52 after holding the evening light 51 on the end face of the salient pole 41b is used, the cutting tool is easy to handle and workability is good.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Windings For Motors And Generators (AREA)
  • Brushless Motors (AREA)

Abstract

Cette invention concerne un moteur sans balai comprenant un noyau central (21) et des bornes (31) constituées par des bobinages (22) et des éléments métalliques plats. Les diverses bornes (31) sont disposées radialement et reliées les unes aux autres via des éléments de connexion (32) à la périphérie intérieure et extérieure. Chaque borne (31) est montée sur la surface de chacune des doigts, chaque bobinage (22) est enroulé de manière à relier les doigts aux bornes . Les extrémités des bobinages (22) sont reliées aux bornes et les éléments de connexion sont sectionnés en vue de leur dépose.
PCT/JP2001/006485 2000-08-03 2001-07-26 Moteur sans balai et son procede de fabrication WO2002013354A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001275793A AU2001275793A1 (en) 2000-08-03 2001-07-26 Brushless motor and method of manufacturing the brushless motor

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2000235052A JP3578703B2 (ja) 2000-08-03 2000-08-03 ブラシレスモータおよびその製造方法
JP2000235053A JP3578704B2 (ja) 2000-08-03 2000-08-03 ブラシレスモータおよびその製造方法
JP2000-235052 2000-08-03

Publications (1)

Publication Number Publication Date
WO2002013354A1 true WO2002013354A1 (fr) 2002-02-14

Family

ID=26597260

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/JP2001/006486 WO2002013355A1 (fr) 2000-08-03 2001-07-26 Moteur sans balais et procede de fabrication de ce moteur
PCT/JP2001/006485 WO2002013354A1 (fr) 2000-08-03 2001-07-26 Moteur sans balai et son procede de fabrication

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PCT/JP2001/006486 WO2002013355A1 (fr) 2000-08-03 2001-07-26 Moteur sans balais et procede de fabrication de ce moteur

Country Status (2)

Country Link
JP (2) JP3578704B2 (fr)
WO (2) WO2002013355A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4652924B2 (ja) * 2005-08-03 2011-03-16 アスモ株式会社 モータの製造方法及びモータ
JP2010279172A (ja) * 2009-05-28 2010-12-09 Nippon Densan Corp モータ、ステータの製造方法、およびファン
DE102014003055A1 (de) * 2014-03-10 2015-09-10 Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg Elektromagnetenstruktur einer elektrischen Maschine

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0613362U (ja) * 1992-07-14 1994-02-18 株式会社三協精機製作所 コイル基板
JPH0970162A (ja) * 1995-08-30 1997-03-11 Matsushita Electric Ind Co Ltd ブラシレスモータ
US5658660A (en) * 1994-11-15 1997-08-19 Matsushita Electric Industrial Co., Ltd. Magnetic core coated with tin free electrodeposition coatings
JPH09247881A (ja) * 1996-03-08 1997-09-19 Japan Servo Co Ltd 電動機の固定子
JPH1022152A (ja) * 1996-07-04 1998-01-23 Matsushita Electric Ind Co Ltd 電子部品およびその製造方法
JPH10309054A (ja) * 1997-04-30 1998-11-17 Toshiba Corp モータ
JP2000134850A (ja) * 1998-10-22 2000-05-12 Tamagawa Seiki Co Ltd モータ巻線構造
JP2000201464A (ja) * 1999-01-07 2000-07-18 Matsushita Electric Ind Co Ltd Ｄｃブラシレスファン
JP2001145291A (ja) * 1999-11-12 2001-05-25 Matsushita Electric Ind Co Ltd ブラシレスモータ

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09308169A (ja) * 1996-05-20 1997-11-28 Fujitsu General Ltd 電動機

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0613362U (ja) * 1992-07-14 1994-02-18 株式会社三協精機製作所 コイル基板
US5658660A (en) * 1994-11-15 1997-08-19 Matsushita Electric Industrial Co., Ltd. Magnetic core coated with tin free electrodeposition coatings
JPH0970162A (ja) * 1995-08-30 1997-03-11 Matsushita Electric Ind Co Ltd ブラシレスモータ
JPH09247881A (ja) * 1996-03-08 1997-09-19 Japan Servo Co Ltd 電動機の固定子
JPH1022152A (ja) * 1996-07-04 1998-01-23 Matsushita Electric Ind Co Ltd 電子部品およびその製造方法
JPH10309054A (ja) * 1997-04-30 1998-11-17 Toshiba Corp モータ
JP2000134850A (ja) * 1998-10-22 2000-05-12 Tamagawa Seiki Co Ltd モータ巻線構造
JP2000201464A (ja) * 1999-01-07 2000-07-18 Matsushita Electric Ind Co Ltd Ｄｃブラシレスファン
JP2001145291A (ja) * 1999-11-12 2001-05-25 Matsushita Electric Ind Co Ltd ブラシレスモータ

Also Published As

Publication number Publication date
JP3578703B2 (ja) 2004-10-20
JP2002051520A (ja) 2002-02-15
JP3578704B2 (ja) 2004-10-20
WO2002013355A1 (fr) 2002-02-14
JP2002051519A (ja) 2002-02-15

Similar Documents

Publication Publication Date Title
US7830051B2 (en) Resolver, manufacturing method thereof, and motor using the resolver
JP2017070140A (ja) 折り曲げにより形成された円筒形状のコイル体、該コイル体の製造方法、及び該コイル体を用いた回転電機
JP5872807B2 (ja) モータにおけるコイル巻線の結線構造およびモータ
WO2007015499A1 (fr) Induit, machine électrique rotative, moteur cc et moteur sans balais
JP2008301634A (ja) モータ
JP2009268219A (ja) 回転電機の固定子およびその製造方法
CN108370187B (zh) 旋转电机的电枢
US7105962B2 (en) Brushless motor for partable electronic equipment with wire treatment technique of coils
WO2002013354A1 (fr) Moteur sans balai et son procede de fabrication
JP2009106008A (ja) 回転電機の固定子
JP2009153291A (ja) コイル部材，ステータおよびコイル部材の組立方法
JP4005532B2 (ja) 回転電機のコイル端末回路構造
CN110571965B (zh) 旋转电机及其制造方法
JP3159211B1 (ja) ブラシレスモータ
JP2005340607A (ja) インダクタ
JP2020145917A (ja) 電気エネルギーと力学的エネルギーとの変換器
JP2008271748A (ja) ラジアル型ステッピングモータ
JP2006280035A (ja) ステッピングモータ
WO2023276633A1 (fr) Module de fil de bobine, composant d'assemblage de soudure comprenant une soudure intégrée, et procédé de fabrication d'un module de fil de bobine
JP4371958B2 (ja) コイル装置
JP2006067724A (ja) 平型整流子及びその製造方法
JP2018057147A (ja) 回転電機用カセットコイル
JP3759092B2 (ja) 偏心ロータと同ロータを備えた扁平コアレス振動モータ
JP2021126028A (ja) 回転電機の固定子および回転電機
JP6426598B2 (ja) ロータ及びその製造方法並びにｄｃモータ

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE ES FI GB GD GE GH GM HR HU ID IL IN IS KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT TZ UA UG US UZ VN YU ZA ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
121 Ep: the epo has been informed by wipo that ep was designated in this application
REG Reference to national code

Ref country code: DE

Ref legal event code: 8642

122 Ep: pct application non-entry in european phase