WO2020045680A1 - Dispositif de moteur électrique et procédé de fabrication de dispositif de moteur électrique - Google Patents

Dispositif de moteur électrique et procédé de fabrication de dispositif de moteur électrique Download PDF

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Publication number
WO2020045680A1
WO2020045680A1 PCT/JP2019/034470 JP2019034470W WO2020045680A1 WO 2020045680 A1 WO2020045680 A1 WO 2020045680A1 JP 2019034470 W JP2019034470 W JP 2019034470W WO 2020045680 A1 WO2020045680 A1 WO 2020045680A1
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WIPO (PCT)
Prior art keywords
terminal
electric motor
connection
motor device
shape
Prior art date
Application number
PCT/JP2019/034470
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English (en)
Japanese (ja)
Inventor
好洋 宮田
依見子 小澤
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株式会社アドヴィックス
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Publication of WO2020045680A1 publication Critical patent/WO2020045680A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/04—Pins or blades for co-operation with sockets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30—Structural association with control circuits or drive circuits
    • 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
    • H02K15/04—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings, prior to mounting into machines
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes

Definitions

  • the present invention relates to an electric motor device and a method for manufacturing the electric motor device.
  • an electric drive device disclosed in Patent Document 1 below is known.
  • a connector-side terminal having a divided terminal piece divided into two is assembled to an electric motor, and this connector-side terminal is inserted into an elastic terminal piece of a press-fit type board-side connection terminal provided on a board, and the both are inserted.
  • the present invention has been made to solve the above problems, and an object of the present invention is to provide an electric motor device capable of simplifying terminals electrically connected to connection terminals.
  • an electric motor device includes an electric motor having windings wound around a stator, a control board that supplies power to the electric motor and controls driving of the electric motor,
  • An electric motor device configured to include a connection wire that electrically connects a motor and a control board, wherein the connection wire that forms a part of the winding has a terminal in which the winding is deformed. It has a terminal formed in a shape, is a part of the winding wound around the stator of the electric motor, has a terminal formed by deforming the wire shape of the winding into a terminal shape, and the control board has The terminals are electrically connected and have connection terminals for supplying power.
  • the terminal includes: a fusing process in which a wire shape of a winding is changed into a terminal shape by fusing process in which the terminal is solidified after being melted by electric resistance; Through a forming step of performing at least one of cutting, grinding, and pressing on the terminal shape formed by the step, and forming a final terminal shape that can be electrically connected to the connection terminal, It is formed.
  • the terminal has a terminal shape in which the winding of the electric motor is deformed. That is, the terminals can be simplified by being directly formed on the windings using the windings of the electric motor as a material. Thereby, the connection operation for electrically connecting the terminals to the windings of the electric motor can be omitted. In addition, since the terminals can be formed directly from the windings, costs associated with the connection operation and costs associated with the purchase of materials necessary for separately manufacturing the terminals can be suppressed.
  • FIG. 2 is a perspective view illustrating a configuration of a block in FIG. 1.
  • FIG. 2 is a cross-sectional view illustrating a configuration of a block and a case in FIG. 1. It is sectional drawing for demonstrating the structure of a connection electric wire, a terminal, and a connection terminal in an electric motor apparatus.
  • FIG. 3 is a diagram for explaining a configuration of a terminal. It is sectional drawing for demonstrating an engaging part. It is sectional drawing for demonstrating an engaging part. It is sectional drawing for demonstrating an engaging part. It is sectional drawing for demonstrating an engaging part. It is sectional drawing for demonstrating an engaging part. It is sectional drawing for demonstrating an engaging part. It is sectional drawing for demonstrating an engaging part. It is sectional drawing for demonstrating an engaging part. It is sectional drawing for demonstrating an engaging part.
  • the drive device 10 including the electric motor device 100 pressurizes a fluid and controls the pressure to output the fluid, and is applied to, for example, a fluid pressure control device of a vehicle.
  • the driving device 10 includes a block 11 as a holding member, a pump 12 driven by the electric motor device 100, a case 13 assembled to the block 11, and a plurality of electromagnetic valves 14. , Is provided.
  • the electric motor device 100 is used as the driving device 10 applied to the vehicle hydraulic pressure control device, but the electric motor device 100 is applied to any device other than the driving device 10. Needless to say, it is good.
  • the block 11 is formed of a metal material (for example, aluminum) and has conductivity, and is assembled to a vehicle frame or the like (not shown). As shown in FIGS. 1 and 2, the block 11 has a motor mounting surface 11 a on one surface to which an electric motor device 100 as a drive source for driving a pump 12 for pressurizing a fluid is provided. Further, as shown in FIG. 2, the block 11 is provided with a case mounting surface 11b for mounting the case 13 on the opposite side to the motor mounting surface 11a. Thus, the block 11 holds the electric motor device 100 and the case 13 (including the control board 15 and the microcomputer 16 housed in the case 13 as described later).
  • a metal material for example, aluminum
  • the block 11 has conductivity, and is assembled to a vehicle frame or the like (not shown).
  • the block 11 has a motor mounting surface 11 a on one surface to which an electric motor device 100 as a drive source for driving a pump 12 for pressurizing a fluid is provided.
  • the block 11 is provided with a case mounting surface
  • the block 11 has a plurality of flow paths 11c through which a fluid having a pressure (hydraulic pressure) controlled by the operation of the plurality of electromagnetic valves 14 flows.
  • the plurality of solenoid valves 14 are provided on the case mounting surface 11 b, and adjust the pressure (fluid pressure) of the fluid pressurized by the pump 12 to form the plurality of flow paths 11 c. It is designed to flow to.
  • a coil 14 a constituting a solenoid valve 14 is attached to the case 13. Then, the case 13 in which the coil 14a is integrally mounted is mounted so that the solenoid valve 14 provided in the block 11 is inserted into the coil 14a.
  • the block 11 has a through hole 11d for accommodating the pump 12 driven by the electric motor device 100, as shown in FIGS.
  • the opening of the through hole 11d on the case mounting surface 11b side of the block 11 is liquid-tightly closed.
  • the block 11 electrically connects the control board 15 that supplies power to the electric motor device 100 and controls the driving thereof to the electric motor device 100, as will be described later.
  • a through hole 11e through which the electric wire 102 is inserted is provided. Since the control board 15 is accommodated in the case 13, a column 11 f supporting the control board 15 and fixing the case 13 is provided on the case mounting surface 11 b of the block 11.
  • the pump 12 pressurizes the fluid, and is arranged so as to be accommodated in the through hole 11d of the block 11, as shown in FIG.
  • the pump 12 has a pump shaft 12a whose base end is connected to a motor shaft 101a of the electric motor device 100 by coupling or the like and rotates integrally with the motor shaft 101a, and a pump shaft 12a fixed to the pump shaft 12a. And a pump impeller 12b that rotates integrally.
  • the motor shaft 101a and the pump impeller 12b are connected linearly so as to have the same axis.
  • the motor shaft 101a and the pump shaft 12a may be connected by a gear member or the like, and the motor shaft 101a and the pump shaft 12a may be connected so that the axis of the pump shaft 12a is offset from the axis of the motor shaft 101a.
  • the control board 15 is a printed board on which the microcomputer 16 is mounted, as shown in FIGS. 3 and 4, and is housed in the case 13 together with the case 13 and the case mounting surface 11 b of the block 11. 11f.
  • the control board 15 has a board-side connection terminal 15a as a connection terminal electrically connected to a terminal 103 as a terminal formed on a connection wire 102 of the electric motor device 100 described in detail later.
  • the board-side connection terminal 15a is provided with an elastically deformable portion 15a1 which is elastically deformed as the flat terminal 103 is inserted and comes into contact with the terminal 103 as a locking portion.
  • the board-side connection terminal 15a is a press-fit connection terminal that allows the terminal 103 to be inserted (press-fitted), but may be a through-hole connection terminal.
  • the board-side connection terminal 15a is electrically connected to the power supply 17 via an electric wire 15b provided on the control board 15, and the terminal 103 as a terminal is inserted (press-fitted) (electrically connected). State), electric power is supplied to the electric motor device 100.
  • the microcomputer 16 controls the driving of the electric motor device 100 (and the electromagnetic valve 14) based on detection results detected by various sensors (for example, MR sensors and the like) not shown.
  • the electric motor device 100 includes a brushless electric motor 101.
  • the electric motor 101 drives the pump 12 connected to the motor shaft 101a, as shown in FIG.
  • the electric motor 101 has a flange portion 101b that supports the motor shaft 101a and is liquid-tightly fixed to the motor mounting surface 11a of the block 11 by bolts (not shown).
  • the motor shaft 101a is inserted into a through hole 11d provided on the motor mounting surface 11a of the block 11.
  • connection wire 102 constitutes a part of a motor winding 101c wound around the stator of the electric motor 101, as shown in FIG.
  • the connection wire 102 (motor winding 101c) is covered with an insulating resin (for example, enamel or the like).
  • each of the motor windings 101c constituting one connection electric wire 102 is formed of a plurality (for example, four) of copper wires.
  • a terminal 103 As a terminal formed into a terminal shape in which the motor winding 101c is deformed. are integrally formed.
  • the terminal 103 is formed in a terminal shape which is a state deformed from the linear shape of the plurality of motor windings 101c, and is formed directly at the end of the motor winding 101c.
  • the terminal shape is, for example, a flat shape (a flat plate shape) corresponding to the shape of the board-side connection terminal 15a to which the terminal is connected.
  • the terminal 103 is formed by so-called fusing processing, in which a plurality of motor windings 101c are heated and melted and then solidified and heat caulked using electric resistance. It has a terminal shape (for example, a strip shape) formed by deforming the shape.
  • the connection wire 102 (motor winding 101c) is coated with an insulating resin such as enamel, but the coating of the connection wire 102 (motor winding 101c) is melted by fusing. The copper wire is exposed. Therefore, in the fusing processing, a separate step of peeling (dissolving) the coating of the connection electric wire 102 (motor winding 101c) can be omitted.
  • the terminal 103 is smoothed by grinding after the fusing process so that the terminal 103 has a final terminal shape (for example, a flat plate shape) so as to surely make electrical contact with the board-side connection terminal 15a.
  • the final terminal shape can also be formed by applying a fusing process as an additional process to attach a smooth metal plate as described later.
  • the terminals 103 are respectively engaged with and fixed to columnar guides 104 made of an insulating resin and assembled to the through holes 11e.
  • the guide 104 holds the terminal 103 so as to be in electrical contact with the board-side connection terminal 15a and guides the terminal 103 toward the board-side connection terminal 15a.
  • the terminal 103 is fixed (held) by the guide 104 and locked to a press-fit type board-side connection terminal 15 a as a connection terminal provided on the control board 15. It is inserted (press-fitted) while elastically deforming the elastic deformation portion 15a1 which is a portion.
  • the engagement between the terminal 103 and the guide 104 is realized by an engagement portion using at least one of the following various engagement methods. Specifically, fixing (engagement) of the terminal 103 and the guide 104 with the other can be realized by providing an engagement portion on one of the terminal 103 and the guide 104 by appropriately combining various engagement methods.
  • the engagement method (engagement portion) will be specifically described. It is needless to say that the terminal 103 and the guide 104 can be engaged with each other by employing a method other than the engagement method described below.
  • the terminal 103 and the guide 104 are fixed when the terminal 103 is pressed into the board-side connection terminal 15a.
  • the terminal 103 having a terminal shape and the guide 104 can be engaged by heat caulking the guide 104.
  • the terminal 103 and the guide 104 are integrally fixed after the guide 104 is cooled.
  • an engaging portion is formed and engaged (fixed).
  • the melted resin enters a concave groove 103 a as an engagement portion provided in advance in the terminal 103, and then solidifies after entering.
  • the terminal 103 and the other guide 104 can be engaged with each other.
  • the concave groove 103a is formed in the terminal 103 by, for example, pressing or cutting.
  • the terminal 103 on one side can be engaged with the guide 104 on the other side.
  • the terminal 103 having a terminal shape is formed by performing a fusing process in a state where the motor winding 101c is inserted into the insertion hole 104a of the guide 104, and a pressing process is performed simultaneously with the fusing process or after the fusing process.
  • the stopper 103b is formed.
  • the formed stopper portion 103b is engaged with the insertion hole 104a of the guide 104, and the terminal 103 and the guide 104 are fixed.
  • the guide 104 is provided with an insertion hole 104a having a rectangular opening shape, and an accommodation groove 104b as an engaging portion substantially perpendicular to the long side of the insertion hole 104a.
  • the terminal 103 on the one hand and the guide 104 on the other hand can be engaged.
  • the terminal 103 formed into a wide terminal shape according to the opening shape of the insertion hole 104a is inserted into the insertion hole 104a.
  • the terminal 103 coming out of the insertion hole 104a is rotated (specifically, rotated by 90 °) in accordance with the formation position of the accommodation groove 104b, and is accommodated in the accommodation groove 104b.
  • the terminal 103 engages with the accommodation groove 104b, and the terminal 103 and the guide 104 are fixed.
  • the terminal 103 is formed by pressing or cutting such that the plane including the base end 103d as the engaging portion is substantially orthogonal to the plane including the distal end 103c of the terminal 103. Is formed.
  • the guide 104 is provided with a receiving groove 104c as an engaging portion for receiving the proximal end 103d of the terminal 103 in addition to the insertion hole 104a. Accordingly, when the terminal 103 is detached from the board-side connection terminal 15a in a state where the terminal 103 is fixed to the guide 104, the base 103d of the terminal 103 and the receiving groove 104c are engaged, so that the terminal 103 and the guide are connected. The fixation with 104 is maintained.
  • the thickness of the base end portion 103d as the engagement portion of the terminal 103 is made larger (increased) than the thickness of the front end portion 103c, for example, by press working or the like. It is formed by cutting or the like, and an accommodation groove 104c as an engagement portion of the guide 104 is provided so as to accommodate the base end 103d of the terminal 103. Accordingly, when the terminal 103 is detached from the board-side connection terminal 15a in a state where one terminal 103 is fixed to the other guide 104, the base end 103d of the terminal 103 and the accommodation groove 104c are engaged. This keeps the terminal 103 and the guide 104 fixed.
  • the electric motor device 100 is manufactured through a fusing process and a forming process that constitute a manufacturing method.
  • the fusing processing step is a step in which the plurality of motor windings 101c are heated by electric resistance, melted, and then solidified to transform the linear shape of the motor windings 101c into a terminal shape.
  • a terminal 103 (for example, a strip) is integrally formed at the end of the connection wire 102 using the motor winding 101c as a material.
  • the molding step includes at least one of cutting, grinding, and pressing so that the terminal shape formed by fusing processing becomes a final terminal shape that can be electrically connected (for example, a smooth flat plate shape). This is the step of performing processing.
  • the terminal 103 is formed into a final terminal shape that is electrically connected to the board-side connection terminal 15a. Therefore, through the fusing processing step and the forming step, a terminal 103 in which the wire shape of the motor winding 101c is transformed into a terminal shape is formed at the end of the connection wire 102 (motor winding 101c).
  • the following assembling process is performed. That is, the motor winding 101c having the terminal 103 formed therein is inserted into the through hole 11e of the block 11.
  • the two connecting wires 102 that is, the two terminals 103, inserted through the through holes 11 e of the block 11 are respectively engaged with guides 104 fixed to the through holes 11 e on the case mounting surface 11 b side of the block 11 and fixed. Is done. In this case, the distal end portion of each terminal 103 is fixed to the guide 104 in a state of protruding from the case mounting surface 11b of the block 11.
  • each terminal 103 is pressed into the board-side connection terminal 15a provided on the control board 15 at a time, and the electrical connection between the terminal 103 and the board-side connection terminal 15a is completed.
  • the inside of the through hole 11e of the block 11 is filled with an insulating resin.
  • the electric motor device 100 includes an electric motor 101 in which a motor winding 101c as a winding is wound around a stator, and an electric motor that supplies electric power to the electric motor 101 to generate electric power.
  • An electric motor device configured to include a control board 15 for controlling driving of the motor 101 and a connection wire 102 for electrically connecting the electric motor 101 and the control board 15, wherein the motor board 101 c
  • the connection electric wire 102 constituting a part has a terminal 103 as a terminal formed in a terminal shape in which the motor winding 101c is deformed, and the control board 15 is electrically connected to the terminal 103. It has a board-side connection terminal 15a as a connection terminal for supplying power.
  • the method for manufacturing the electric motor device 100 includes a fusing process in which the terminal 103 transforms the linear shape of the motor winding 101c into a terminal shape by fusing process in which the terminal 103 is melted and then solidified by electric resistance.
  • the terminal shape formed by the fusing process is subjected to at least one of cutting, grinding, and pressing to form a final terminal shape that can be electrically connected to the board-side connection terminal 15a. Forming step.
  • the terminal 103 has a terminal shape in which the motor winding 101c of the electric motor 101 is deformed. That is, the terminal 103 can be simplified by being formed directly on the motor winding 101c using the motor winding 101c of the electric motor 101 as a material. Accordingly, a connection operation for electrically connecting the terminal 103 to the motor winding 101c of the electric motor 101 can be omitted. In addition, since the terminal 103 can be formed directly from the motor winding 101c, it is possible to suppress costs associated with the connection operation and costs associated with purchasing materials necessary for separately manufacturing the terminal.
  • the terminal 103 is formed by deforming into a terminal shape by solidifying the motor winding 101c after melting.
  • the motor winding 101c can be used as a material for forming the terminal 103.
  • the material cost can be reduced as compared with a case where the terminal 103 is separately manufactured.
  • the terminal 103 is inserted into and electrically connected to the board-side connection terminal 15a. At least one of the terminal 103 and the board-side connection terminal 15a is connected to the board-side connection terminal 15a.
  • the terminal 103 may be provided with a locking portion for locking the terminal 103 to the board-side connection terminal 15a in a state where the terminal 103 is inserted into the terminal 103.
  • the locking portion is provided on the board-side connection terminal 15a, and includes an elastic deformation portion 15a1 which is elastically deformed and comes into contact with the terminal 103 when the flat terminal 103 is inserted. be able to.
  • the elastic deformation portion 15a1 is elastically deformed and comes into contact with the terminal 103 formed in a flat plate shape, so that the terminal 103 can be given a restoring force due to the elastic deformation. Thereby, a frictional force can be generated between the terminal 103 and the elastic deformation portion 15a1. Therefore, even when the terminal 103 is formed directly on the motor winding 101c, the state where the terminal 103 is inserted into the board-side connection terminal 15a by the generated frictional force, that is, the state where the terminal 103 is electrically connected is maintained. can do.
  • the electric motor device 100 includes a guide 104 that holds the terminal 103 so as to be in electrical contact with the board-side connection terminal 15a and guides the terminal 103 toward the board-side connection terminal 15a.
  • One of the guides 104 is connected to the terminal 103 when the terminal 103 is in electrical contact with the board-side connection terminal 15a and when the electrical contact between the terminal 103 and the board-side connection terminal 15a is released.
  • a concave groove 103a as an engaging portion that engages with the other of the guides 104, a stopper portion 103b, a housing groove 104b, a base end portion 103d, and a housing groove 104c.
  • the guide 104 can hold the terminal 103 so as not to come off.
  • the plurality of terminals 103 can be electrically connected to the board-side connection terminals 15a substantially simultaneously. Therefore, work efficiency in the assembling work of the electric motor device 100 can be improved.
  • connection wire 102 (motor winding 101c) existing inside the through hole 11e is set in a free state. Can be. This eliminates the need to restrain the connection wire 102 by resin molding or the like and electrically connect the terminal 103 to the board-side connection terminal 15a, thereby simplifying the structure.
  • connection wire 102 (motor winding 101c) can be in a free state. For this reason, for example, even when the through-hole 11 e is formed so as to avoid the plurality of flow paths 11 c and the electromagnetic valve 14 provided in the block 11, the connection wire 102 and the terminal 103 are provided inside the through-hole 11 e. It can pass through to the side connection terminal 15a.
  • a terminal 103 having a terminal shape is formed by fusing from a plurality (four) of copper motor windings 101c, and after grinding, the terminal 103 is pressed into the board-side connection terminal 15a and electrically connected. Connected.
  • the motor winding 101c is sandwiched between the motor winding 101c with a metal plate that is harder (higher in hardness) than the enamel that insulates and covers the motor winding 101c, and a fusing process as an additional process is performed.
  • a metal layer 105 can be formed on the surface of the terminal 103 which is press-fitted into the board-side connection terminal 15a.
  • the surface of the terminal 103 is covered with the metal layer 105 (that is, a metal plate), so that the hardness of the terminal 103 can be increased, and for example, the terminal 103 is press-fitted into the board-side connection terminal 15a. Terminal 103 can be prevented from being broken. Further, since the surface of the terminal 103 is smoothed by the metal layer 105, grinding is not required, and as a result, manufacturing cost can be reduced. Other effects are the same as in the above embodiment.
  • the drive device 10 that is, the hydraulic control device described in the above embodiment and the above modified example, can be applied to, for example, a brake control system that is a brake device of a vehicle.
  • a brake control system brake device
  • FIG. 1 An example of a brake control system (brake device) to which the hydraulic pressure control device (drive device 10) can be applied will be briefly described with reference to FIG.
  • the hydraulic pressure control device (the drive device 10 and the electric motor device 100) is incorporated in the actuator 5.
  • the brake control system includes a master cylinder (M / C) 230, master pistons 231 and 232, and a master reservoir 233 as the cylinder mechanism 23.
  • the cylinder mechanism 23 may be a mechanism that generates electric pressure by being electrically driven by an electric pump or the like.
  • the wheel cylinders 24, 25, 26, and 27 are disposed on the left rear wheel RL, the right rear wheel RR, the left front wheel FL, and the right front wheel FR, respectively, and apply a braking force.
  • the master cylinder 230 and the wheel cylinders 24 to 27 are connected via the actuator 5.
  • the actuator 5 which is a hydraulic pressure control device (drive device 10), controls the hydraulic pressure of the wheel cylinders 24 to 27 (hereinafter referred to as "wheel pressure") in accordance with an instruction from the brake control device 6 (microcomputer 16). Control.
  • the actuator 5 includes a hydraulic circuit 50 as shown in FIG.
  • the hydraulic circuit 50 includes a first piping system 50a and a second piping system 50b.
  • the first piping system 50a is a system that controls the wheel pressure applied to the left rear wheel RL and the right rear wheel RR.
  • the second piping system 50b is a system that controls the wheel pressure applied to the left front wheel FL and the right front wheel FR.
  • the first piping system 50a includes a main pipe A, a differential pressure control valve 51 (corresponding to the solenoid valve 14), pressure increasing valves 52 and 53 (corresponding to the solenoid valve 14), a pressure reducing pipe B, a pressure reducing valve 54, 55 (corresponding to the solenoid valve 14), a pressure regulating reservoir 56, a reflux line C, and an auxiliary line D.
  • the differential pressure control valve 51 can control the differential pressure between the hydraulic pressure of the master cylinder 230 (master cylinder side) and the hydraulic pressure of the wheel cylinders 24 and 25 (wheel cylinder side).
  • the brake control device 6 is provided so as to be able to control each of these electromagnetic valves via a control board 15.
  • the reflux line C is a line connecting the pressure reducing line B (or the pressure regulating reservoir 56) and the portion of the main line A between the differential pressure control valve 51 and the pressure increasing valves 52 and 53.
  • the pump 57 (corresponding to the pump 12) is a pump driven by the motor 8 (corresponding to the electric motor 101 of the electric motor device 100), and is provided in the return line C. Fluid (fluid) is caused to flow from the pressure regulating reservoir 56 to the master cylinder side or the wheel cylinder side.
  • the brake control device 6 controls the driving of the motor 8 (electric motor 101) via the control board 15.
  • a damper 7 is disposed in the discharge side passage C1 of the return line C, which is the discharge side of the pump 57 in the return line C.
  • the terminal 103 as a terminal is formed directly on the winding of the electric motor 101. It can be simplified. Accordingly, a connection operation for electrically connecting the terminal 103 to the winding of the electric motor 101 can be omitted. Further, since the terminal 103 can be formed directly from the winding, the cost associated with the connection operation and the cost associated with the purchase of a material necessary for separately manufacturing the terminal can be suppressed.
  • a plurality of (two in the above embodiment) terminals 103 are fixed to the guide 104, and each terminal 103 is temporarily connected to the board side provided on the control board 15.
  • the electrical connection was completed by press-fitting the connection terminal 15a.
  • the guide 104 may be omitted, and the respective terminals 103 may be separately press-fitted into the board-side connection terminals 15a to complete the electrical connection.
  • the terminal 103 is formed directly from the motor winding 101c, it is not necessary to press-fit the terminal separately prepared for the motor winding 101c into the board-side connection terminal 15a.
  • the electrical connection is completed by press-fitting the terminal 103 into the board-side connection terminal 15a.
  • the terminals 103 can be electrically connected to the control board 15 by, for example, soldering.
  • the terminal 103 is formed from the plurality of motor windings 101c, and the assembling workability can be improved as compared with a case where each of the plurality of motor windings 101c is soldered to the control board 15. .
  • the time required for the soldering operation can be reduced as compared with the case where each of the motor windings 101c is soldered, and as a result, the manufacturing cost can be reduced.
  • the motor winding 101c is allowed to be free in the through hole 11e of the block 11. Thereby, for example, even when the through-hole 11e is not linear so as to avoid the plurality of flow paths 11c and the electromagnetic valve 14 provided in the block 11, the motor winding 101c is freely bent to form the through-hole 11e.
  • the terminal 103 can be inserted and wired to the control board 15. In this case, when the motor winding 101c is inserted into the linear through hole 11e as illustrated in the above embodiment and the modification, a plurality of motor windings forming one terminal 103 in the through hole 11e. It is also possible to bind 101c using an insulating resin mold.
  • the terminal 103 when the terminal 103 is fixed to the guide 104 or when the terminal 103 is directly pressed into the board-side connection terminal 15a, the terminal 103 can be assembled from the motor mounting surface 11a side of the block 11. It becomes possible. Accordingly, in the assembling step of assembling the electric motor device 100, the assembling step can be freely performed, for example, by pressing the terminal 103 into the control board 15 previously assembled in the block 11 and assembling the electric motor 101 into the block 11. , So that the manufacturing cost can be reduced.
  • connection electric wire 102 (motor winding 101c) drawn from the coil wound around the stator of the electric motor 101 is pressed into the board-side connection terminal 15a of the control board 15.
  • the terminal 103 is formed at the end on the side of the end.
  • the stator of the electric motor 101 and the control board 15 may be electrically connected by a separately provided connection wire 102.
  • terminals 103 are formed on both ends of the stator side end of the electric motor 101 and the control board 15 side end, and via the terminals 103 formed on both ends of the connection wire 102, It is also possible to electrically connect the stator (coil) and the control board 15.
  • the terminal 103 formed at the end of the connection wire 102 is directly press-fitted into the board-side connection terminal 15a to perform an electrical connection.
  • another member for example, a hybrid terminal or the like is provided between the terminal 103 and the board-side connection terminal 15a, and an electrical connection between the terminal 103 and the board-side connection terminal 15a is provided through the hybrid terminal or the like. It is also possible to do.
  • the linear shape of the motor winding 101c is changed to the terminal shape by using a fusing process of melting and then solidifying the motor winding 101c.
  • the wire shape of the motor winding 101c can be changed to a terminal shape by using, for example, press working or cutting.
  • the board-side connection terminal 15a is provided on the control board 15, and the terminal 103 is inserted (press-fitted) into the board-side connection terminal 15a to perform the electrical connection.
  • the contact 15c and the terminal 103 are electrically connected. Is used.
  • the connector 106 is electrically connected (contacted) to the contact 15c of the control board 15.
  • the elastic deformation portion 15a1 is provided on the board-side connection terminal 15a as the locking portion.
  • the elastically deformable portion 15a1 is inserted (press-fitted) into the press-fit type board-side connection terminal 15a with respect to the terminal 103, which is at least one of the terminal 103 and the board-side connection terminal 15a. It is also possible to provide a locking portion for engaging and locking.
  • the terminal 103 is subjected to a pressing process, a cutting process, or the like in a molding step, so that the terminal portion 103 is elastically deformed as the locking portion is elastically deformed with the insertion of the terminal 103.
  • a through-hole 103e that is either a through-hole or a recess that engages with the portion 15a1 can be formed. According to this, even when the terminal 103 is directly formed on the motor winding 101c, the state where the terminal 103 is inserted into the board-side connection terminal 15a, that is, the state where the terminal 103 is electrically connected is maintained. Can be.
  • the copper motor winding 101c is once melted and then solidified to be shaped into the terminal 103. Therefore, it is also possible to form the through-hole 103e (or concave portion) at the same time as the shape of the terminal 103 is formed in the fusing process.
  • the electric motor device 100 is provided in the brake device of the vehicle, and the electric motor 101 drives the pump 12.
  • the electric motor device 100 is not limited to being applied to a brake device of a vehicle, but can be applied to other devices that require the rotational driving force of the electric motor 101.
  • the above-described effect can be expected by forming the terminal 103 directly from the motor winding 101c.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Motor Or Generator Frames (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Manufacture Of Motors, Generators (AREA)

Abstract

La présente invention concerne un dispositif de moteur électrique 100 configuré de façon à comporter : un moteur électrique 101 ; une carte de commande 15 qui fournit de l'énergie au moteur électrique 101 et commande l'entraînement du moteur électrique 101 ; et un fil de connexion 102 qui connecte électriquement le moteur électrique 101 et la carte de commande 15, le fil de connexion 102 étant une partie d'un enroulement de moteur 101c enroulé sur un stator du moteur électrique 101, et comprenant une borne 103 qui est formée par déformation de la forme linéaire de l'enroulement de moteur 101c en une forme de borne, et la carte de commande 15 comprenant une borne de connexion côté carte 15a qui fournit de l'énergie, à laquelle la borne 103 est connectée électriquement.
PCT/JP2019/034470 2018-08-31 2019-09-02 Dispositif de moteur électrique et procédé de fabrication de dispositif de moteur électrique WO2020045680A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018163320A JP2020036512A (ja) 2018-08-31 2018-08-31 電気モータ装置及び電気モータ装置の製造方法
JP2018-163320 2018-08-31

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WO2020045680A1 true WO2020045680A1 (fr) 2020-03-05

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WO (1) WO2020045680A1 (fr)

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Publication number Priority date Publication date Assignee Title
JP7392599B2 (ja) * 2020-07-14 2023-12-06 株式会社デンソー 回転電機
JP7255561B2 (ja) * 2020-07-14 2023-04-11 株式会社デンソー 回転電機

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017158250A (ja) * 2016-02-29 2017-09-07 株式会社ケーヒン 空調用ブロアモータユニット及び空調用ブロアモータユニットの製造方法
JP2017158357A (ja) * 2016-03-03 2017-09-07 本田技研工業株式会社 モータのステータ及びその製造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017158250A (ja) * 2016-02-29 2017-09-07 株式会社ケーヒン 空調用ブロアモータユニット及び空調用ブロアモータユニットの製造方法
JP2017158357A (ja) * 2016-03-03 2017-09-07 本田技研工業株式会社 モータのステータ及びその製造方法

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