WO2013187411A1 - Dispositif à moteur électrique, système de dispositif à moteur électrique, et système de gestion d'outil à moteur électrique - Google Patents

Dispositif à moteur électrique, système de dispositif à moteur électrique, et système de gestion d'outil à moteur électrique Download PDF

Info

Publication number
WO2013187411A1
WO2013187411A1 PCT/JP2013/066092 JP2013066092W WO2013187411A1 WO 2013187411 A1 WO2013187411 A1 WO 2013187411A1 JP 2013066092 W JP2013066092 W JP 2013066092W WO 2013187411 A1 WO2013187411 A1 WO 2013187411A1
Authority
WO
WIPO (PCT)
Prior art keywords
motor
setting
power
unit
tool
Prior art date
Application number
PCT/JP2013/066092
Other languages
English (en)
Japanese (ja)
Inventor
伊藤　達也
西河　智雅
弘識 益子
和隆 岩田
Original Assignee
日立工機株式会社
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
Priority claimed from JP2012133007A external-priority patent/JP5995064B2/ja
Priority claimed from JP2012156110A external-priority patent/JP2014018868A/ja
Application filed by 日立工機株式会社 filed Critical 日立工機株式会社
Publication of WO2013187411A1 publication Critical patent/WO2013187411A1/fr

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
    • B25B21/02—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • B25B23/147—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
    • B25B23/1475—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers for impact wrenches or screwdrivers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for

Definitions

  • the present invention relates to a power device, a power device system including a power device and an external device that can be connected to the power device, and a control of the power tool, and more particularly to a power tool management system capable of changing setting parameters.
  • the impact tool includes a pulse mode and an impact mode as a plurality of control modes.
  • the user works by selecting the optimum mode for fastening. Specifically, the user has selected each mode by operating a dial provided on the impact tool.
  • the detailed parameters of the pulse mode and the impact mode are set in advance, and the work width in each mode is narrow. Furthermore, even if a large number of control modes are provided, a control mode unnecessary for the user is installed.
  • a trigger switch is provided in the electric tool and the motor rotation speed is controlled by operating the trigger switch.
  • a screw tightening operation is performed using a screwdriver as a tip tool.
  • the operator usually operates the trigger switch by a small amount while the screw is pressed against the workpiece, and rotates the motor by a small amount to position the screw tip at the target position. I do.
  • the screw diameter is small or the screw length is short, the necessary torque is small and the working time is short, so that it is desirable that the motor rotation speed be easily adjusted in a low region. Therefore, it is desirable that the adjustment in the region where the number of rotations operable by the operation of the trigger switch (hereinafter referred to as trigger operation) is also low is easy.
  • trigger operation the adjustment in the region where the number of rotations operable by the operation of the trigger switch
  • the screw diameter is large or the screw length is long
  • the necessary torque is large and the working time is long. Therefore, it is desirable that the motor rotation speed be easily adjusted in a high region. . Therefore, it is desirable that the adjustment in the region where the number of rotations operable by the trigger operation is high is easy.
  • the set value of the motor rotation speed with respect to the trigger switch operation amount is usually one relational expression. For this reason, there is only one trigger operation specification despite the different trigger operation specifications required for the type of screw, and work efficiency deteriorates if the trigger operation specifications are not appropriate.
  • the present invention provides a power device including a drive unit, an output unit that is driven by the drive unit and acts dynamically on the outside, and a control unit that controls the drive unit.
  • a power device characterized by comprising a communication means that allows the parameter constituting the control mode stored in the control unit to be set by accessing the control unit from outside.
  • the user can easily create a specific control mode suitable for various tasks by setting optimum parameters according to the work contents.
  • the control mode is preferably configured by combining a plurality of parameters that can be set from the outside.
  • an optimal control mode is realized by changing a combination of a plurality of parameters. It becomes possible.
  • a power device system comprising a power device and an external device connectable to the power device, wherein the power device uses a motor and the driving force of the motor as a tip tool.
  • a drive unit for transmitting a storage unit for storing a control mode for controlling driving of the motor, a control unit for controlling the motor based on the control mode, and a connection unit connectable to the external device,
  • the external device includes a connected portion connectable to the power device via the connection portion, and a setting portion capable of setting the parameter of the control mode.
  • the parameters of the control mode can be set by an external device, the operation of the electronic pulse driver 1 can be set in more detail, and the fastening operation can be performed under optimum conditions. Can do. As a result, it is possible to improve the workability of the tightening work by the power device and improve the feeling.
  • the driving unit includes a hammer driven by the motor and an anvil that holds the tip tool and rotates by being struck by the hammer, and the parameter is a hit between the hammer and the anvil. Preferably it is a period.
  • the hitting cycle can be set, so that the reaction of the power equipment during the fastening work can be reduced and workability can be improved.
  • the hit frequency it is possible to set the hit frequency to a value that the user does not feel uncomfortable, and workability can be improved.
  • control mode includes a pulse mode in which the hammer and the anvil are struck by rotating the motor in both directions, and the pulse mode can set parameters different from the normal hit and the normal hit. It is preferable to have a correction hit.
  • the fastener since a correction hit can be set, compared with a case where fastening is performed only in a normal pulse mode, by performing a correction hit after performing a normal hit, the fastener can be used as a processing member. It can be fastened stably. Thereby, a fastener can be fastened with the target torque.
  • the parameters of the correction batting include the striking cycle between the hammer and the anvil, the number of hits between the hammer and the anvil, and the torque of the hammer when the hammer strikes the anvil. It is preferable that at least one can be set.
  • the parameter is a total rotation speed of the tip tool after the motor is operated.
  • the parameter is a rotation speed of the motor during a period set by the total number of rotations.
  • the rotation speed of the motor during the period set by the total number of rotations can be set, so that the power equipment can be operated by control according to the user's request.
  • the power equipment can be operated by control according to the user's request.
  • the external device preferably includes a display unit that displays the parameter, and the display unit includes a graph display unit that can display the parameter related to the parameter as a horizontal axis and a vertical axis. .
  • the external device since the external device includes the graph display unit, the user can visually recognize the control mode. This makes it easier to imagine the operation of the power equipment when setting parameters.
  • the parameter is set as a ratio to the maximum capacity of the motor.
  • the parameter is set at a ratio to the maximum capacity of the motor, a device for measuring output torque or the like is not necessary. Thereby, the number of parts can be reduced and a low-cost power equipment can be provided.
  • the power device further includes a communication conversion circuit that converts a communication signal when connected to the external device.
  • the power device since the power device further includes the communication conversion circuit, it is not necessary to provide the communication conversion circuit in the cable connecting the connection portion and the connected portion. Thereby, a versatile cable can be used for communication between the power device and the external device.
  • a motor in another aspect of the present invention, a motor, a drive unit that transmits a driving force of the motor to a tip tool, a control unit that controls the motor, a first housing that houses the motor and the drive unit, A housing having a second housing that houses the control unit, a handle unit that connects the first housing and the second housing, a communication unit that is housed in the second housing and capable of wireless communication with an external device, Provides power equipment.
  • the communication unit is accommodated in the second housing, compared to the case where the communication unit is accommodated in the handle portion, the radio wave is not disturbed by the user's hand.
  • the power device can stably communicate with the external device.
  • the communication part is accommodated in the same 2nd housing as a control part, the wiring inside power equipment can be simplified.
  • control unit includes a control circuit board that controls the motor, and the communication unit is provided on the control circuit board.
  • the communication unit is provided on the control circuit board, wiring for connecting the communication unit and the control unit is not necessary, and wiring inside the power equipment can be simplified. Furthermore, since the distance between the communication unit and the control unit is reduced, it is less likely to be affected by noise from the power equipment.
  • a power device including a motor, a housing that houses the motor, and a drive unit that is housed in the housing and transmits a driving force of the motor to a tip tool, A power device capable of setting the total number of rotations of the tip tool after the motor is operated is provided.
  • the power device can be operated by control according to the user's request. As a result, it is possible to improve the workability of the tightening work by the power device and improve the feeling.
  • connection unit connectable with an external device is further provided, and the total number of rotations can be set by the external device by being connected to the external device.
  • the external device can set the initial rotation speed as a ratio with respect to the maximum output of the motor.
  • the torque of the motor after the period set by the total number of rotations can be set.
  • an initial rotation speed that is a rotation speed of the motor in a period set by the total rotation speed can be set.
  • the power device can be operated by control according to the user's request. As a result, it is possible to improve the workability of the tightening work by the power device and improve the feeling.
  • a power tool management system includes a power tool, a control circuit in the power tool that controls the power tool with a predetermined setting parameter, and the power tool that changes a setting value of the setting parameter from the outside of the power tool.
  • the setting parameter setting value can be changed when the operation is stopped, and the setting parameter setting value cannot be changed when the electric tool is operating.
  • a switch is provided in the electric tool, and the state of the electric tool is switched between a changeable state and a non-changeable state of the setting parameter by operating the switch, and the state of the electric tool is changeable.
  • the setting parameter can be changed when the power tool is in a state, and the setting parameter cannot be changed when the power tool is in the unchangeable state.
  • the power tool is provided with a notification unit, and when the communication is correctly performed between the power tool and the portable device and the setting parameter is correctly changed, the notification unit notifies the power tool.
  • the notification means may be a light that illuminates the tip of the power tool.
  • the communication unit of the power tool for performing the wireless communication can only receive and the communication unit of the portable device can only transmit.
  • the power tool includes a housing, a motor mounted in the housing, and a trigger operation unit, and controls the motor in response to an operation of the trigger operation unit.
  • the rotation speed of the motor is adjusted according to the magnitude of the operation amount, the operation amount of the trigger operation unit and the rotation speed of the motor are defined by a predetermined relational expression, and the relational expression is the setting parameter,
  • the relational expression may be changed by changing the setting parameter.
  • the power tool has a housing, a motor mounted in the housing, and a maximum rotational speed that is an upper limit of a rotational speed that can be operated by the motor, and the motor is operated at the maximum rotational speed.
  • the control circuit is controlled so that the maximum rotation speed is the setting parameter, and the maximum rotation speed is changed by changing the setting parameter.
  • a changeover switch for setting the maximum number of rotations is provided, and the maximum number of rotations can be switched to a plurality of different values by operating the changeover switch.
  • the electric tool includes a housing, a motor mounted in the housing, a trigger operation unit, controls the motor in response to an operation of the trigger operation unit, and operates the motor. If the operation time after the trigger operation is performed and the operation of the motor is started reaches the automatic stop time, the motor is also operated even when the trigger operation is performed. It is preferable that the control circuit is controlled to stop the operation, the automatic stop time is the setting parameter, and the automatic stop time is changed by changing the setting parameter. In addition, it is preferable that a switch for setting the automatic stop time is provided, and the automatic stop time can be switched to a plurality of different values by operating the switch.
  • the power tool includes a housing, a motor mounted in the housing, and a trigger operation unit, and controls the motor in response to an operation of the trigger operation unit.
  • the motor is controlled by the control circuit with the target current value, the target current value is the setting parameter, and the target current value is changed by changing the setting parameter.
  • a changeover switch for setting the target current value is provided, and the target current value can be switched to a plurality of different values by operating the changeover switch.
  • the power tool includes a housing, a motor mounted in the housing, and a trigger operation unit, and controls the motor in response to an operation of the trigger operation unit.
  • the motor is controlled by the control circuit at the automatic stop angle, the automatic stop angle is the setting parameter, and the automatic stop angle is changed by changing the setting parameter.
  • a changeover switch for setting the automatic stop angle is provided, and the automatic stop angle can be switched to a plurality of different values by operating the changeover switch.
  • a power device and a power device system having a control mode in which parameters can be set can be provided. Furthermore, according to the present invention, it is possible to provide a power tool management system capable of significantly improving work efficiency by enabling an operator to set optimum setting parameters for various work of the power tool from the outside of the power tool. it can.
  • FIG. 1 is a schematic perspective view of an electronic pulse driver according to a first embodiment of the present invention.
  • the figure which the electronic pulse driver which concerns on the 1st Embodiment of this invention is connected with the external apparatus via the communication cable.
  • the flowchart of the application software preserve
  • the flowchart of the application software preserve
  • the window displayed on the display part of the external apparatus which concerns on the modification of the 1st Embodiment of this invention.
  • the window displayed on the smart phone which concerns on the modification of the 1st Embodiment of this invention.
  • the flowchart of the application software preserve
  • the figure which the electronic pulse driver which concerns on the 2nd Embodiment of this invention is connected with the external apparatus via the communication cable. Sectional drawing of the electronic pulse driver which concerns on the 3rd Embodiment of this invention.
  • the block diagram which shows the structure of the drive control system of the motor in the 4th Embodiment of this invention.
  • the graph which showed the relationship of the PWM duty ratio corresponding to the detection signal of the trigger operation amount (stroke) in the 4th Embodiment of this invention.
  • surface which shows the setting value of the automatic stop angle in the 4th Embodiment of this invention.
  • the electronic pulse driver 1 is mainly composed of a housing 2, a motor 3, a hammer part 4, an anvil part 5, an inverter circuit 6, and a control part 7. Yes.
  • the housing 2 is made of resin and forms an outer shell of the electronic pulse driver 1, and includes a substantially cylindrical body portion 21, a handle portion 22 extending from the body portion 21, and a substrate housing portion connected to the handle portion 22. 23 mainly.
  • the body portion 21 corresponds to the first housing of the present invention, and the substrate housing portion 23 corresponds to the second housing of the present invention.
  • the hammer part 4 and the anvil part 5 correspond to a drive part and an output part of the present invention.
  • the electronic pulse driver 1 is an example of a power device according to the present invention.
  • the motor 3 is arranged so that the longitudinal direction thereof coincides with the axial direction of the motor 3, and the hammer portion 4 and the anvil portion 5 are arranged side by side toward one end side in the axial direction of the motor 3.
  • the anvil portion 5 side is defined as the front side
  • the motor 3 side is defined as the rear side
  • a direction parallel to the axial direction of the motor 3 is defined as the front-rear direction.
  • the body part 21 side is defined as the upper side
  • the handle part 22 side is defined as the lower side
  • the direction in which the handle part 22 extends from the body part 21 is defined as the vertical direction.
  • a direction orthogonal to the front-rear direction and the up-down direction is defined as the left-right direction.
  • a metal hammer case 24 in which the hammer part 4 and the anvil part 5 are incorporated is disposed at the front side position in the body part 21.
  • the hammer case 24 has a substantially funnel shape in which the diameter gradually decreases toward the front, an opening 24a is formed at the front end portion, and a metal portion 24A is provided on the inner wall that defines the opening 24a. Yes.
  • the body portion 21 is formed with a plurality of intake ports 21a and exhaust ports 21b through which a later-described fan 32 sucks and discharges outside air into the body portion 21 (FIG. 1).
  • the motor 3 is cooled by the outside air.
  • An inverter circuit 6 is provided on the rear side of the motor 3.
  • the handle portion 22 extends downward from a substantially central position in the front-rear direction of the body portion 21 and is configured integrally with the body portion 21.
  • a trigger 25 is provided above the handle portion 22 and at the front side position.
  • a forward / reverse switching lever 28 for switching the rotation direction of the motor 3 is provided behind the trigger 25.
  • the substrate housing unit 23 is provided with a control unit 7 that controls the electronic pulse driver 1.
  • a battery 26 is detachably provided in the substrate housing part 23.
  • the battery 26 is attached / detached to / from the substrate housing portion 23 by attachment / detachment switches 23A provided on both side surfaces of the substrate housing portion 23 in the left-right direction.
  • a mode switching panel 27 that switches the control mode of the electronic pulse driver 1 is provided on the left side surface of the substrate housing portion 23.
  • the mode switching panel 27 is provided with a mode switching switch 27A that switches the control mode when pressed, and a mode display lamp 27B that lights a control mode that is set according to the pressing of the mode switching switch 27A.
  • four control modes A to D can be set.
  • the motor 3 is a brushless motor mainly composed of a rotor 3A having an output shaft portion 31 and a stator 3B arranged to face the rotor 3A. It arrange
  • the rotor 3A includes a permanent magnet 3C
  • the stator 3B includes a coil 3D that faces the permanent magnet 3C (FIG. 5).
  • the output shaft portion 31 protrudes forward and backward of the rotor 3A, and is rotatably supported on the body portion 21 by a bearing at the protruding portion.
  • a fan 32 that rotates coaxially and integrally with the output shaft portion 31 is provided at a location protruding to the front side of the output shaft portion 31. Further, a pinion gear 31A is connected to the output shaft portion 31 at the foremost end position of the location. It is provided so as to rotate coaxially.
  • the inverter circuit 6 includes an inverter circuit board 61, a plurality of switching elements 62 provided on the inverter circuit board 61 and protruding rearward, and a hall element 63 for detecting the position of the motor 3. Since the air inlet 21a is located in the vicinity of the switching element 62, the switching element 62 can be efficiently cooled.
  • the hammer section 4 is mainly composed of a gear mechanism 41 and a hammer 42 and is built in the front side of the motor 3 in the hammer case 24.
  • the gear mechanism 41 includes a planetary gear mechanism 41B having an outer gear 41A.
  • the outer gear 41 ⁇ / b> A is built in the hammer case 24 and is fixed to the body portion 21.
  • the planetary gear mechanism 41B is disposed in the outer gear 41A so as to mesh with the outer gear 41A, and uses the pinion gear 31A as a sun gear.
  • the hammer 42 is defined on the front surface of the planet carrier of the planetary gear mechanism 41B, protrudes toward the front side, and is disposed at a position shifted from the rotation center of the planetary gear mechanism 41B planet carrier.
  • the planetary gear mechanism 41B has a first engagement protrusion 42A and a second engagement protrusion (not shown) located at the counter electrode across the rotation center of the planet carrier.
  • the anvil portion 5 is disposed in front of the hammer portion 4 and mainly includes a tip tool mounting portion 51 and an anvil 52.
  • the tip tool mounting portion 51 is formed in a cylindrical shape and is rotatably supported in the opening 24a of the hammer case 24 via a metal portion 24A.
  • the tip tool mounting portion 51 is provided with a perforation 51a into which the tip tool 53 is inserted in the front-rear direction, and a chuck 51A for detachably holding the tip tool 53 is provided at the front end portion.
  • the anvil 52 is configured to be integrated with the tip tool mounting portion 51 in the hammer case 24 at the rear of the tip tool mounting portion 51, and is disposed opposite to the rotation center of the tip tool mounting portion 51. It has the 1st to-be-engaged protrusion 52A and the 2nd to-be-engaged protrusion 52B which protruded toward.
  • the first engagement protrusion 42A and the first engagement protrusion 52A collide with each other, and at the same time, the second engagement protrusion (not shown) and the second engagement protrusion 52B collide, The rotational force of the hammer 42 is transmitted to the anvil 52.
  • the control unit 7 mainly includes a control circuit board 71, a microcomputer 83 provided on the upper surface of the control circuit board 71, and a connection part 72 provided on the lower surface of the control circuit board 71.
  • the connecting portion 72 is provided so as to protrude downward from the lower surface of the control circuit board 71, and can connect the communication cable 8 (FIG. 6).
  • the connection portion 72 includes a lid 73 and a connection terminal 74, and the connection terminal 74 is configured to be openable and closable by the lid 73.
  • the connection terminal 74 is configured to be openable and closable by the lid 73.
  • the connection terminal 74 is configured to be openable and closable by the lid 73.
  • the communication cable 8 can be connected to the connection terminal 74 by opening the lid 73 as shown in FIG. 4.
  • the connection unit 72 corresponds to the communication unit of the present invention.
  • the inverter circuit 6 is composed of six switching elements 62-1 to 62-6 such as FETs connected in a three-phase bridge format.
  • the control unit 7 is connected to the battery 26 and connected to the trigger 25, the inverter circuit 6, the mode changeover switch 27A, the mode display lamp 27B, the forward / reverse changeover lever 28, and the connection terminal 74.
  • the control unit 7 also includes a current detection circuit 75, a switch operation detection circuit 76, an applied voltage setting circuit 77, a rotation direction setting circuit 78, a mode setting circuit 79, a rotor position detection circuit 80, and a rotation speed.
  • a detection circuit 81 and an LED lighting circuit 82 are provided.
  • the microcomputer 83 includes a program storage unit 83A that stores a control mode for controlling the electronic pulse driver 1 and various parameters.
  • the program storage unit 83A corresponds to the storage unit of the present invention.
  • the hall element 63 is provided at a position facing the permanent magnet 3C of the rotor 3A, and is arranged at predetermined intervals (for example, every angle of 60 °) in the circumferential direction of the rotor 3A.
  • the motor 3 is a three-phase brushless DC motor
  • the rotor 3A has a permanent magnet 3C including a plurality of sets (two sets in the present embodiment) N poles and S poles, and a coil 3D.
  • N poles and S poles are star-connected three-phase stator windings U, V, and W.
  • the gates of the switching elements 62-1 to 62-6 of the inverter circuit 6 are connected to the control signal output circuit 84, and the drains or sources of the switching elements 62-1 to 62-6 are the stator windings of the stator 3B. Connected to U, V, W.
  • the six switching elements 62-1 to 62-6 perform a switching operation by a switching element drive signal input from the microcomputer 83 via the control signal output circuit 84, and are applied to the inverter circuit 6 by the DC voltage of the battery 26. Is supplied to the stator windings U, V, and W as three-phase (U-phase, V-phase, and W-phase) voltages Vu, Vv, and Vw.
  • stator windings U, V energized by the output switching signals H1, H2, H3 input from the control signal output circuit 84 to the positive power supply side switching elements 62-1, 62-2, 62-3.
  • W that is, the rotation direction of the rotor 3A is controlled.
  • stator windings U, V are obtained by pulse width modulation signals (PWM signals) H4, H5, H6 inputted from the control signal output circuit 84 to the negative power supply side switching elements 62-4, 62-5, 62-6.
  • PWM signals pulse width modulation signals
  • the current detection circuit 75 detects the current value supplied to the motor 3 by the resistor 75A and outputs it to the microcomputer 83.
  • the switch operation detection circuit 76 detects the presence or absence of the operation of the trigger 25 and outputs it to the microcomputer 83.
  • the applied voltage setting circuit 77 outputs a signal corresponding to the operation amount of the trigger 25 to the microcomputer 83.
  • the rotation direction setting circuit 78 detects the switching of the forward / reverse switching lever 28, the rotation direction setting circuit 78 transmits a signal for switching the rotation direction of the motor 3 to the microcomputer 83.
  • the mode setting circuit 79 outputs the control mode set by the mode changeover switch 27A to the microcomputer 83.
  • the microcomputer 83 controls the electronic pulse driver 1 based on the control mode input from the mode setting circuit 79.
  • the rotor position detection circuit 80 detects the rotational position of the rotor 3A based on the signal from the hall element 63 and outputs it to the microcomputer 83.
  • the rotation speed detection circuit 81 detects the rotation speed of the rotor 3 ⁇ / b> A based on a signal from the rotor position detection circuit 80 and outputs the rotation speed to the microcomputer 83.
  • the microcomputer 83 includes a central processing unit (CPU) for outputting a drive signal based on a processing program and data, a RAM for temporarily storing data, and a timer.
  • the microcomputer 83 outputs the output switching signals H1, H2, and H3 based on the signals from the rotation direction setting circuit 78 and the rotor position detection circuit 80, and the pulse width modulation signal (PWM signal) based on the signal from the applied voltage setting circuit 77.
  • H4, H5, and H6 are generated and output to the control signal output circuit 84.
  • the PWM signal may be output to the positive power supply side switching elements 62-1 to 62-3, and the output switching signal may be output to the negative power supply side switching elements 62-4 to 62-6.
  • the program storage unit (hereinafter referred to as ROM) 83A stores at least four control modes (control programs) for controlling the motor 3. Then, four control modes among at least four control modes stored in the ROM 83A are stored in the RAM as selectable control modes. The control mode selected from the four control modes by the mode switch 27A is displayed on the mode display lamp 27B as the currently selected control mode. The CPU reads out a control mode corresponding to the selected control mode from the ROM 83A and controls the motor 3.
  • the communication cable 8 includes a terminal box 85 provided at one end of the communication cable 8 and connectable to the connection terminal 74, a communication conversion circuit 86 housed in the terminal box 85, and the communication cable 8.
  • An external device connection portion 87 provided at the end and connectable to the external device 9 is provided.
  • the communication conversion circuit 86 is a circuit for converting the communication signal output from the electronic pulse driver 1 into a signal that can be read by the external device 9.
  • the external device connection unit 87 is, for example, a USB (Universal Serial Bus) or a serial cable.
  • the external device 9 includes a display unit 91, an input unit 92, and a connected unit 93 that can be connected to the external device connection unit 87.
  • the external device 9 is a PC (personal computer), for example, and includes a CPU, a ROM, a RAM, and the like (not shown).
  • the external device 9 can communicate with the electronic pulse driver 1 by connecting to the electronic pulse driver 1 via the communication cable 8.
  • the battery 26 is in a removed state, but power is supplied to the electronic pulse driver 1 from the external device 9 via the communication cable 8. Therefore, the mode display lamp 27B of the mode switching panel 27 is in a state where the currently selected control mode is lit.
  • application software for setting the control mode of the electronic pulse driver 1 is stored in the ROM, and when the software is started, a window 94 shown in FIG. 7 is displayed.
  • the window 94 includes a button area 95, a clutch mode parameter setting area 96, a clutch mode graph display area 97, a normal hit parameter setting area 98, a corrected hit parameter setting area 99, and a pulse mode graph display area 100. I have. On the upper right of the window 94, an end button 94A is provided.
  • the clutch mode graph display area 97 and the pulse mode graph display area 100 correspond to the graph display section of the present invention.
  • the CPU and window 94 of the external device 9 correspond to the setting unit of the present invention.
  • the control mode of this embodiment is mainly classified into a drill mode, a clutch mode, and a pulse mode.
  • the drill mode is a mode in which the hammer 42 and the anvil 52 are integrally rotated, and is mainly used when a wood screw is fastened.
  • the current flowing through the motor 3 increases as the fastening proceeds.
  • the clutch mode is a mode in which the tip tool 53 is rotated with a preset torque after the tip tool 53 has rotated a predetermined number of revolutions while the hammer 42 and the anvil 52 are integrally rotated. It is used when attaching importance to accurate torque, such as when fastening fasteners that appear on the exterior after fastening.
  • each parameter of the clutch mode and the pulse mode can be set.
  • a communication button 95A In the button area 95, a communication button 95A, a read button 95B, a set value read button 95C, a save button 95D, and a set send button 95E are provided.
  • the communication button 95 ⁇ / b> A is displayed as “communication” immediately after the software is started, and when pressed, the external device 9 starts communication with the electronic pulse driver 1.
  • “disconnect” is displayed, and when pressed, the external device 9 interrupts communication with the electronic pulse driver 1.
  • the read button 95B is a button for reading various parameters stored in the ROM of the external device 9.
  • the set value reading button 95 ⁇ / b> C is a button for reading various parameters stored in the electronic pulse driver 1.
  • the set value reading button 95C is pressed, parameters stored in the electronic pulse driver 1 are displayed in an area 96-100. Specifically, the parameter of the control mode selected by the mode display lamp 27B is displayed on the window 94.
  • the save button 95D is a button for saving each parameter of the areas 96, 98, and 99 in the ROM of the external device 9.
  • the setting transmission button 95E is a button for transmitting each parameter of the regions 96, 98, and 99 to the electronic pulse driver 1. When the setting transmission button 95E is pressed, each parameter of the control mode selected by the mode display lamp 27B is updated to the parameter displayed in the window 94.
  • torque, initial rotation speed, and initial rotation speed can be set as parameters.
  • a selection button 96A at the top of the clutch mode parameter setting area 96 the clutch mode can be selected as the control mode.
  • the torque indicates the output torque of the motor 3 after the rotation speed set by the initial rotation speed has elapsed, and can be set at a ratio when the maximum output of the motor 3 is 100%.
  • the torque can be set by operating the torque setting slide bar 96B or by inputting a numerical value to the torque input unit 96C through the input unit 92.
  • the initial rotational speed is the total rotational speed at which the tip tool 53 has rotated since the user pulled the trigger 25.
  • the initial rotation speed is a value indicating how many times the tip tool 53 has rotated since the electronic pulse driver 1 was operated.
  • the microcomputer 83 calculates the rotational speed of the tip tool 53 in response to a signal from the rotational speed detection circuit 81.
  • the initial rotational speed can be set by operating the initial rotational speed setting slide bar 96D or by inputting a numerical value into the initial rotational speed input unit 96E.
  • the initial rotation speed is the rotation speed of the motor 3 during the period set by the initial rotation speed, and can be set at a ratio when the maximum rotation speed of the motor 3 is 100%.
  • the initial rotation speed can be set by operating the initial rotation speed setting slide bar 96F or by inputting a numerical value to the initial rotation speed input unit 96G.
  • the clutch mode graph display area 97 displays a surface graph of the rotation speed of the motor 3 on the vertical axis and the number of rotations of the tip tool 53 on the horizontal axis.
  • the torque is set to 52%
  • the initial rotational speed is 24 times
  • the initial rotational speed is set to 75%. This means that the motor 3 rotates at a speed of 75% until the tip tool 53 rotates 24 times, and thereafter rotates at a torque of 52%.
  • the speed of the motor 3 decreases with the number of rotations being 24.
  • the tip tool 53 When performing a general screw tightening operation, the tip tool 53 is rotated at a high speed until the screw is seated to shorten the screw tightening time, and is tightened with a desired torque after the seat is seated.
  • the initial rotational speed can be set, the rotational speed and torque of the motor 3 can be changed before and after the screw is seated by setting the initial rotational speed in accordance with the number of screws. it can. As a result, it is possible to shorten the screw tightening operation time and improve the work efficiency.
  • the pulse mode includes normal hitting and corrected hitting, and the torque, the number of hits, and the hitting cycle can be set as parameters in normal hitting and corrected hitting, respectively.
  • the pulse mode it is possible to set whether or not to use the correction hit, and it is possible to perform only the normal hit operation.
  • the selection button 98A at the top of the normal hitting parameter setting area 98, the pulse mode can be selected as the control mode.
  • the torque is the torque of the motor 3 when the hammer 42 strikes the anvil 52 when the motor 3 alternately switches between forward rotation and reverse rotation, and is set at a ratio when the maximum output of the motor 3 is 100%. be able to.
  • the torque can be set by operating the torque setting slide bar 98B or by inputting a numerical value to the torque input unit 98C.
  • the number of hits is the number of times the hammer 42 hits the anvil 52.
  • the microcomputer 83 detects an impact based on the current value from the current detection circuit 75.
  • the motor 3 automatically stops.
  • the number of strokes can be set by operating the stroke number setting slide bar 98D or by inputting a numerical value to the stroke number input unit 98E.
  • the striking cycle is a cycle in which the hammer 42 strikes the anvil 52.
  • the striking cycle is a parameter related to the feeling of the electronic pulse driver 1 during the fastening operation, and can be set at a ratio when the shortest cycle when the hammer 42 strikes the anvil 52 is 100%.
  • the maximum cycle is determined by the characteristics of the motor 3, the structure of the hammer 42 and the anvil 52, and the like.
  • the striking cycle can be set by operating the striking cycle setting slide bar 98F or by inputting a numerical value to the striking cycle input unit 98G.
  • the correction hitting can be performed by selecting the selection button 99A at the top.
  • the correction batting is a batting performed after the hammer 42 bakes the anvil 52 by the batting number set in the batting number input unit 98E.
  • the correction hitting By performing the correction hit, loosening of the screw after the normal hit with respect to the processed member can be prevented, and the screw can be tightened at a value closer to the torque set by the torque input portion 98C.
  • the hitting operation is generally performed a plurality of times with a smaller torque than in the normal hitting.
  • the correction hitting torque can be set by operating the torque setting slide bar 99B or by inputting a numerical value to the torque input unit 99C.
  • the number of hits for correction batting can be set by operating the batting number setting slide bar 99D or by inputting a numerical value into the batting number input unit 99E.
  • the hitting period of the corrected hitting can be set by operating the hitting period setting slide bar 99F or by inputting a numerical value into the hitting period input unit 99G.
  • a vertical axis represents a striking cycle and a horizontal axis represents a scatter diagram of torque of the motor 3.
  • a region A surrounded by a solid line is a parameter setting range determined by the shape of the motor 3, the hammer 42, the shape of the anvil 52, and the like.
  • One of the points in the area A indicates a normal hit, and the other indicates a corrected hit.
  • FIG. 8 shows a flowchart after starting the application software installed in the external device 9.
  • the application software When the application software is activated, first, it enters an input standby state (S1). Next, it is determined whether or not the end button 94A is pressed (S2). If the end button 94A is pressed (S2: YES), the application ends. If the end button 94A is not pressed (S2: NO), it is determined whether or not the communication button 95A is pressed (S3).
  • the process returns to the input standby state (S1).
  • the communication button 95A is pressed (S3: YES)
  • the electronic pulse driver 1 is not connected to the external device 9 (S4: NO)
  • connection processing between the electronic pulse driver 1 and the external device 9 is performed.
  • the display of the communication button 95A changes from “communication” to “disconnect”, and again enters an input standby state (S6).
  • each parameter displayed in the areas 96, 98, 99 at this time is saved in the ROM of the external device 9 (S10). Thereafter, the process returns to S6 again to enter the input standby state.
  • S9: NO it is determined whether or not the set value reading button 95C has been pressed (S11).
  • S11: YES the mode setting circuit 79 reads the parameters of the mode currently set in the electronic pulse driver 1 among the four modes stored in the ROM 83A of the electronic pulse driver 1 (S11: YES). S12). Then, each parameter read from the electronic pulse driver 1 is reflected in the area 96-100 (S13). Thereafter, the process returns to S6 again to enter the input standby state. If the set value reading button 95C has not been pressed (S11: NO), it is determined whether or not the read button 95B has been pressed (S14).
  • each parameter of the regions 96, 98, 99 is reflected in the graphs of the graph display regions 97, 100 as shown in FIG.
  • the input standby state it is determined whether or not the slide bars 96B, 96D, 96F, 98B, 98D, 98F, 99B, 99D, 99F have been operated (S21).
  • S21: YES the numerical value of the input unit is changed according to the position of the slide bar (S22). Based on the changed numerical values, the graphs displayed in the graph display areas 97 and 100 are changed (S23). Thereafter, the input standby state is entered again. If it is not operated (S21: NO), it is determined whether or not a numerical value is input to the input units 96C, 96E, 96G, 98C, 98E, 98G, 99C, 99E, 99G (S24).
  • the parameters constituting the control mode can be set by accessing the control unit 7 from the external device 9, the user himself / herself can set various parameters according to the work content. It is possible to easily create a specific control mode suitable for work.
  • the external device 9 can set a plurality of parameters, even when only one parameter is changed, even when the optimal control mode cannot be realized, the combination of the plurality of parameters can be changed. An optimal control mode can be realized.
  • the operation of the electronic pulse driver 1 can be set in more detail, and the fastening operation is performed under optimum conditions. be able to.
  • work by the electronic pulse driver 1 and the improvement of feeling can be aimed at.
  • the screw is processed by performing the correction hit after performing the normal hit. It can be stably fastened with the member. Thereby, a screw can be fastened with the target torque.
  • the hitting period, the number of hits, and the torque can be set, so that the electronic pulse driver 1 can be operated by control according to the user's request.
  • work by the electronic pulse driver 1 and the improvement of feeling can be aimed at.
  • the control before and after the seating of the screw can be changed by setting the number of screw strips as the total number of rotations.
  • work by the electronic pulse driver 1 and the improvement of feeling can be aimed at.
  • the electronic pulse driver 1 since the rotation speed of the motor 3 during the period set by the total number of rotations can be set, the electronic pulse driver 1 can be operated by control according to the user's request. Thereby, the workability
  • the external device 9 since the external device 9 includes the clutch mode graph display area 97 and the pulse mode graph display area 100, the user can visually recognize the control mode. This makes it easier to imagine the operation of the electronic pulse driver 1 when setting parameters.
  • the torque, the initial rotation speed, and the striking cycle are set in proportion to the maximum capacity of the brushless motor, so that no device or the like for measuring the output torque or the like is required. Thereby, the number of parts can be reduced and the low-cost electronic pulse driver 1 can be provided.
  • the parameter of the control mode can be set by the external device 9, it is not necessary to provide a circuit and a device for setting the parameter in the electronic pulse driver 1 main body. Thereby, the number of parts of the electronic pulse driver 1 can be reduced, and the low-cost electronic pulse driver 1 can be provided.
  • a tab area 195 is provided below the button area 95.
  • the tab area 195 has a drill mode tab 195A, a clutch mode tab 195B, and a pulse mode tab 195C.
  • three tabs are provided, but four or more tabs may be provided.
  • a plurality of pulse modes such as a first pulse mode and a second pulse mode may be provided even in the pulse mode.
  • FIG. 10 shows a state where the drill mode tab 195A is pressed. At this time, a parameter setting area 196 and a graph display area 197 are displayed in the window 194.
  • torque and rotation speed can be set as parameters.
  • the torque can be set by operating the torque setting slide bar 196A or by inputting a numerical value to the torque input unit 196B.
  • the rotation speed can be set by operating the rotation speed setting slide bar 196C or by inputting a numerical value to the rotation speed input unit 196D.
  • the graph display area 197 displays the parameters input to the parameter setting area 196 as a graph.
  • a surface graph in which the vertical axis represents torque and the horizontal axis represents the rotational speed is displayed.
  • FIG. 11 shows a window 294 in which the application software according to the modification of the present embodiment is activated on the smartphone.
  • the window 294 includes a communication button 95A, an end button 94A, a tab area 195, a parameter setting area 196, a button display button 295, and a graph display button 296.
  • a new window including a read button 95B, a set value read button 95C, a save button 95D, and a setting send button 95E is displayed.
  • the graph display button 296 is pressed, a new window with a graph is displayed.
  • FIG. 12 shows a flowchart of application software in the modification.
  • the input standby state of S6 in FIG. 8 is entered, it is determined which tab in the tab area 195 has been pressed. Specifically, it is determined whether or not the clutch mode tab 195B has been pressed (S121).
  • S121 When the button is pressed (S121: YES), a clutch mode setting screen is displayed in the window 194 (S122).
  • the clutch mode parameter setting area 96 of the first embodiment is displayed in the parameter setting area 196, and the clutch mode graph display area 97 is displayed in the graph display area 197. Thereafter, the process proceeds to S21.
  • the tab in the tab area 195 is automatically switched to the control mode currently selected by the electronic pulse driver 1. For example, when the drill mode is selected by the electronic pulse driver 1, the screen automatically switches to a screen as shown in FIG. 10 when the set value is read.
  • the control circuit board 71 of the electronic pulse driver 201 includes a communication conversion circuit 285. As shown in FIG. 14, the communication conversion circuit 285 is connected to the microcomputer 83 and the connection terminal 74.
  • the communication conversion circuit 285 is a circuit for converting a signal from the external device 9 into a signal readable by the microcomputer 83 and converting a signal from the microcomputer 83 into a signal readable by the external device 9, for example, An AD conversion circuit or the like is used.
  • both are connected using a communication cable 208 that does not include the communication conversion circuit 86 of the first embodiment.
  • the electronic pulse driver 201 since the electronic pulse driver 201 further includes the communication conversion circuit 86, it is not necessary to provide a signal conversion circuit in the cable connecting the connection portion and the connected portion. Thereby, the communication cable 208 which has versatility can be used for communication between the electronic pulse driver 201 and the external device 9.
  • the control circuit board 71 of the electronic pulse driver 301 includes a wireless module 385.
  • the wireless module 385 is accommodated in the substrate accommodating portion 23.
  • the electronic pulse driver 301 can wirelessly communicate with the external device 9 via the wireless module 385.
  • As the wireless communication for example, Bluetooth (registered trademark), wireless LAN, Zigbee (registered trademark), or the like is employed.
  • the wireless module 385 is connected to the microcomputer 83. Thereby, the electronic pulse driver 1 can communicate with a PC or tablet device on which a wireless communication device is mounted.
  • the wireless module 385 corresponds to the communication unit of the present invention.
  • the wireless module 385 is accommodated in the substrate accommodating portion 23, compared with the case where it is accommodated in the handle portion 22, the radio wave is not disturbed by the user's hand. Thereby, the electronic pulse driver 301 can communicate with the external device 9 stably. Further, since the wireless module 385 is accommodated in the same substrate accommodating portion 23 as the control portion 7, the wiring inside the electronic pulse driver 301 can be simplified.
  • FIG. 19 shows an overall configuration of the electric power tool management system (power equipment system) according to the embodiment of the present invention, which is an example of a power equipment that works by driving various tip tools with a built-in motor. 401 and a mobile device 459 which is a separate accessory device.
  • the internal configuration of the electric power tool 401 is shown as a side sectional view.
  • the electric tool 401 is, for example, an impact driver that operates by connecting the AC cord 409 to an AC power source such as a commercial power source.
  • the mechanical configuration for rotationally driving the tip tool in the impact driver may be known, but an example will be described below.
  • the electric power tool 401 uses an AC power source such as a commercial power source as a power source, drives a rotary impact mechanism 421 using a motor 403 mounted on the housing 402 as a drive source, and applies a rotational force and an impact force to the anvil 430 that is an output shaft.
  • the rotary impact force is intermittently transmitted to a tip tool (not shown) such as a driver bit held in the mounting hole 430a covered with the sleeve 431 to perform operations such as screw tightening and bolt tightening.
  • a brushless motor (for example, 4 poles, 6 coils, 2 poles, 3 coils, etc.) 403 is housed in a cylindrical body 402a of a housing 402 having a substantially T-shape when viewed from the side.
  • the rotation shaft 403e of the motor 403 is rotatably held by a bearing 419a (bearing member) and a rear end side bearing 419b (bearing member) provided near the center of the body portion 402a of the housing 402.
  • a rotor 403a having a rotor magnet 403d is integrated with the rotary shaft 403e.
  • a stator core 403b around which a stator coil 403c is wound is fixed via an insulator 415 inside the body portion 402a.
  • a rotor fan 413 that is coaxially mounted with the rotation shaft 403e and rotates in synchronization with the motor 403 is provided.
  • An inverter circuit board 404 for driving the motor 403 is disposed behind the motor 403.
  • the air flow generated by the rotor fan 413 is generated from an air intake hole 417 formed on the rear side of the body portion 402 a of the housing 402 and an air intake port (not shown) formed in a housing portion around the inverter circuit board 404. Is taken into the portion 402a and flows mainly between the rotor 403a and the stator core 403b, and further sucked from the rear of the rotor fan 413 and flows in the radial direction of the rotor fan 413.
  • the housing around the rotor fan 413 The air is discharged to the outside of the housing 402 through an air discharge port (not shown) formed in the portion.
  • the inverter circuit board 404 is an annular multilayer board having substantially the same diameter as the outer shape of the motor 403.
  • a plurality of switching elements 405 such as FETs (Field-Effect-Transistors) and positions of Hall ICs are arranged.
  • a detection element and other electronic elements are mounted.
  • a plastic spacer 435 is provided between the rotor 403a and the bearing 419b.
  • the spacer 435 has a substantially cylindrical shape and is arranged to keep a constant distance between the bearing 419b and the rotor 403a.
  • a trigger switch 406 having a trigger 406a is disposed in an upper portion of a handle portion 402b that integrally extends from the body portion 402a of the housing 402 at a substantially right angle, and a switch substrate 407 is provided below the trigger switch 406.
  • a control circuit board 408 having a function of controlling the speed of the motor 403 by the pulling operation of the trigger 406a is accommodated in the lower part in the handle portion 402b.
  • the control circuit board 408 is connected to an AC power source (AC code 409). It is electrically connected to the trigger switch 406.
  • the trigger switch 406 is connected to the inverter circuit board 404 via the signal line 411, and the control circuit board 408 is connected to the inverter circuit board 404 via the signal line 412.
  • the rotary striking mechanism 421 includes a planetary gear reduction mechanism 422, a spindle 427, and a hammer 424, and the rear end is held by a bearing 420 and the front end is held by a metal bearing 429.
  • the motor 403 starts to rotate in the direction set by the forward / reverse switching lever 410, and the rotational force is decelerated by the planetary gear reduction mechanism 422 and transmitted to the spindle 427.
  • the spindle 427 is driven to rotate at a predetermined speed.
  • the spindle 427 and the hammer 424 are connected by a cam mechanism, and this cam mechanism is formed on the V-shaped spindle cam groove 425 formed on the outer peripheral surface of the spindle 427 and the inner peripheral surface of the hammer 424.
  • a hammer cam groove 428 and balls 426 engaged with the cam grooves 425 and 428 are formed.
  • the hammer 424 is always urged forward by a spring 423, and when stationary, the ball 426 and the cam grooves 425 and 428 are engaged with each other so as to be spaced from the end face of the anvil 430.
  • the convex part which is not illustrated is symmetrically formed in two places on the rotation plane which the hammer 424 and the anvil 430 mutually oppose.
  • the hammer 424 When the protrusion of the hammer 424 moves over the protrusion of the anvil 430 due to the backward movement of the hammer 424 and the engagement between the two is released, the hammer 424 is accumulated in the spring 423 in addition to the rotational force of the spindle 427. While being accelerated rapidly in the rotational direction and forward by the action of the elastic energy and the cam mechanism, it is moved forward by the biasing force of the spring 423, and the convex portion is reengaged with the convex portion of the anvil 430 to rotate integrally. start.
  • the rotational impact force is transmitted to the screw via a tip tool (not shown) attached to the mounting hole 430a of the anvil 430. Thereafter, the same operation is repeated, and the rotational impact force is intermittently and repeatedly transmitted from the tip tool to the screw.
  • the screw is screwed into a processing member (not shown) such as wood.
  • the light 451 illuminates the tip side of the tip tool and the processing member.
  • the communication unit 458 is provided in the housing 402.
  • the communication unit 458 performs wireless communication with an external portable device 459 and can change the setting parameters of the power tool 401 from the outside.
  • Wireless communication between the communication unit 458 and the portable device 459 is performed by, for example, an infrared communication method.
  • the communication unit 458 includes only a wireless communication receiving circuit and can receive only
  • the portable device 459 includes only a wireless communication transmitting circuit and can perform only transmission.
  • a normal communication circuit is equipped with a transmission / reception circuit capable of transmission and reception, but the circuit volume is increased as compared with a reception circuit only for reception. Since the electric tool 401 is held in the hand, downsizing is desired.
  • the circuit volume can be reduced, and the electric tool can be reduced in size. Can do.
  • the light 451 is blinked to notify the operator that the communication is correctly performed.
  • the external portable device 459 may be a mobile phone, a portable personal computer, or the like.
  • FIG. 20 is a plan view of an external portable device 459.
  • the portable device 459 is provided with a display unit 591 such as a liquid crystal screen for displaying the current setting value, and operation buttons 592 (four in the illustrated example) as changeover switches for changing the setting value.
  • the display unit 591 displays the current set value. For example, the set value of the maximum rotation speed, which will be described later, the current set value of the automatic stop time, and the like are displayed.
  • the current set value displayed on the display unit 591 can be changed by operating the operation button 592.
  • the infrared transmission unit 593 is provided in the portable device 459 so as to face the communication unit 458 of the electric tool, thereby transmitting infrared rays from the infrared transmission unit 593 and performing wireless communication with the communication unit 458 of the electric tool.
  • FIG. 21 is a block diagram showing the configuration of the drive control system of the motor 403 in the electric tool 401 shown in FIG.
  • a supply voltage from an AC power supply 439 such as a commercial power supply is converted into, for example, a full-wave rectified wave by a rectifier circuit 440 and supplied to an inverter circuit 447 as a motor drive circuit without a smoothing capacitor.
  • the motor 403 is, for example, a three-phase brushless motor.
  • the motor 403 is a so-called inner rotor type, and includes a rotor 403a, a stator, and three position detection elements 442.
  • the rotor 403a includes a rotor magnet 403d including a plurality of sets (two sets in the present embodiment) of N poles and S poles.
  • the stator includes a stator coil 403c and a stator core 403b composed of three-phase stator windings U, V, and W that are star-connected.
  • the three position detection elements 442 are arranged at predetermined intervals in the circumferential direction, for example, at an angle of 60 °, in order to detect the rotational position of the rotor 403a. Based on the rotational position detection signals from these position detection elements 442, the energization direction and time for the stator windings U, V, W are controlled, and the motor 403 rotates.
  • the position detection element 442 is provided on the inverter circuit board 404 at a position facing the rotor 403a. The signal output from the position detection element 442 is applied to the rotor position detection circuit 443.
  • the electronic elements mounted on the inverter circuit board 404 include six switching elements Q1 to Q6 such as FETs connected in a three-phase bridge format.
  • the control circuit mounted on the control circuit board 408 includes at least a calculation unit 441 and a control signal output circuit 446.
  • the gates of the six switching elements Q1 to Q6 that are bridge-connected in the inverter circuit 447 are connected to the control signal output circuit 446, and the drains or the sources of the six switching elements Q1 to Q6 are star-connected. Connected to the stator windings U, V, W.
  • the six switching elements Q1 to Q6 perform the switching operation by the switching element drive signals (H1 to H6) input from the control signal output circuit 446, and the voltage (full-wave rectified wave) applied to the inverter circuit 447 ) As three-phase (U-phase, V-phase and W-phase) voltages Vu, Vv and Vw, and power is supplied to the stator windings U, V and W.
  • the switching element driving signals for driving the gates of the low-side switching elements Q4, Q5, Q6 are pulse width modulation signals (PWM signals) H4, H5, H6.
  • PWM signals pulse width modulation signals
  • the power supply amount to the motor 403 is adjusted by the calculation unit 441 by changing the pulse width (duty ratio) of the PWM signal based on the detection signal of the trigger operation amount (stroke) of the trigger switch 406. It is possible to control the start / stop and rotation speed.
  • the relationship between the PWM duty ratios corresponding to the trigger operation amount (stroke) detection signal is a one-to-one relationship, and is represented by one relational expression.
  • the PWM signal may be supplied to any one of the high side switching elements Q1 to Q3 or the low side switching elements Q4 to Q6 of the inverter circuit 447, and the switching elements Q1 to Q3 or the switching elements Q4 to Q6 are switched at high speed.
  • the power supplied to each stator winding U, V, W can be controlled.
  • the PWM signal is supplied to the low-side switching elements Q4 to Q6, the power supplied to each of the stator windings U, V, and W is adjusted by controlling the pulse width of the PWM signal.
  • the rotational speed of the motor 403 can be controlled.
  • the electric tool 401 is provided with a forward / reverse switching lever 410 for switching the rotational direction of the motor 403, and the rotational direction setting circuit 450 switches the rotational direction of the motor each time a change in the forward / reverse switching lever 410 is detected.
  • the control signal is transmitted to the calculation unit 441.
  • the calculation unit 441 is, for example, a microcomputer, which is not shown, but a central processing unit (CPU) for outputting a drive signal based on the processing program and data, a ROM for storing the processing program and control data, It includes a RAM for temporarily storing data, a timer, and the like.
  • the control signal output circuit 446 generates a drive signal for alternately switching predetermined switching elements Q1 to Q6 based on the output signals of the rotation direction setting circuit 450 and the rotor position detection circuit 443 according to the control of the arithmetic unit 441. To do. As a result, the predetermined windings of the stator windings U, V, and W are alternately energized to rotate the rotor in the set rotation direction. In this case, the drive signal applied to the low-side switching elements Q4 to Q6 is output as a PWM modulation signal based on the output control signal of the applied voltage setting circuit 449.
  • the current value supplied to the motor 403 (current value flowing through the resistor Rs) is measured by the current detection circuit 448, and the voltage value supplied to the motor 403 is measured by the voltage detection circuit 452.
  • the measured current value and voltage value are fed back to the calculation unit 441 so that the drive power supplied to the motor 403 is adjusted to the set drive power.
  • the PWM signal may be applied to the high side switching elements Q1 to Q3.
  • the three position detection elements 442 are arranged at predetermined angles in the circumferential direction in order to detect the rotational position of the rotor 403a. Therefore, the signal change of the position detection elements changes in time interval depending on the motor rotation speed. Then, the rotation speed detection circuit 1411 inside the calculation unit 441 detects the motor rotation speed by detecting the time interval of the signal change. Similarly, the rotation angle detection circuit 1412 detects the rotation angle of the anvil 430 (tip tool) based on the signal change of the position detection element 442.
  • the operation time detection circuit 1413 measures the energization time to the motor 403 using a timer inside the calculation unit 441.
  • the motor 403 starts to be started, and the operation time detection circuit 1413 starts measuring the operation time simultaneously with the start of the motor start.
  • the calculation unit 441 stops the motor 403 even if the trigger switch 406 is operated.
  • the automatic stop time setting circuit 1414 sets an automatic stop time based on an input signal from the operation unit 453 (described later in FIG. 24).
  • the automatic stop time has a plurality of different values, and the automatic stop time is switched every time an input signal is input from the operation unit 453.
  • FIG. 22 shows the set value of the automatic stop time in the present embodiment.
  • the automatic stop time can be set by selecting any of the setting modes A to D by operating the operation unit 453.
  • the operation unit 453 on the power tool side cannot switch between FIGS. 22A and 22B (the switching between FIGS. 22A and 22B is performed by the portable device 459 as described later).
  • the maximum rotation number setting circuit 1415 sets the maximum rotation number of the motor 403 based on the input signal from the operation unit 453.
  • the maximum rotation speed has a plurality of different values, and the maximum rotation speed is switched each time an input signal is input from the operation unit 453.
  • FIG. 23 shows the set value of the maximum rotational speed in the present embodiment.
  • the maximum number of rotations is a set value of the upper limit of the number of rotations that can be rotated by the motor 403, and the calculation unit 441 controls the motor number of rotations by changing the PWM duty ratio so as to be equal to or less than the set maximum number of rotations.
  • the maximum rotation speed can be set by selecting one of the setting modes A to D by operating the operation unit 453.
  • the operation unit 453 on the power tool side cannot switch between FIGS. 23A and 23B (the switching between FIGS. 23A and 23B is performed by the portable device 459 as described later).
  • the communication circuit 1416 receives the infrared transmission signal transmitted from the portable device 459, and reflects the value of the setting parameter in the setting value of the maximum rotation speed and the setting value of the automatic stop time.
  • FIG. 22A shows an example of the set value of the automatic stop time, but it can be changed to the set value shown in FIG. 22B, for example, by changing the setting parameter by communication (from FIG. 22B). Changes to (A) are also possible).
  • FIG. 23A shows an example of the setting value of the maximum rotation speed, but it can be changed to, for example, the setting value shown in FIG. 23B by changing the setting parameter by communication (FIG. 23B ) To (A) is also possible).
  • the changed setting parameters are stored in the storage circuit inside the calculation unit 441. Even when the power to the calculation unit is turned off, the set parameters do not disappear. After the power is turned on again, the setting parameters are stored. It is possible to operate with the set parameters.
  • the operation unit 453 shown in FIG. 24 includes, for example, a maximum rotation number display unit 454, an automatic stop time display unit 455, a maximum rotation number setting button 456 and an automatic stop time setting button 457 as a changeover switch.
  • the calculation unit 441 switches the setting value of the maximum rotation speed, and a numerical value corresponding to the maximum rotation speed is displayed on the maximum rotation speed display section 454.
  • the calculation unit 441 switches the set value of the automatic stop time, and a numerical value corresponding to the automatic stop time is displayed on the automatic stop time display unit 455.
  • the maximum rotation speed setting button 456 and the automatic stop time setting button 457 are each operated independently. Therefore, when the set value is switched, the maximum rotation speed setting button 456 and the automatic rotation time setting button 457 are automatically operated.
  • the stop time setting buttons 457 are not operated simultaneously. Therefore, when the maximum rotation speed setting button 456 and the automatic stop time setting button 457 are operated at the same time, the mode shifts to a setting parameter switching mode by infrared communication with the portable device 459. For example, when the setting parameter is switched from the portable device 459 by mistake, the setting parameter is not switched unless the mode is shifted to the setting parameter switchable mode. Accordingly, it is possible to prevent the setting parameter from being switched unintentionally by the operator.
  • the operation unit 453 may have a function of setting and displaying a motor target current value and an automatic stop angle as setting parameters. For example, it is possible to adopt a configuration having a changeover switch such as a push button for setting a target current value and an automatic stop angle. Further, the maximum rotation number display unit 454 and the automatic stop time display unit 455 may display the setting modes (A, B, etc.) shown in FIGS.
  • FIG. 25 shows a graph of the relationship between the tightening time and the tightening torque with respect to the motor rotation speed during the bolt tightening operation.
  • the desired tightening torque differs depending on the work, and in order to perform the bolt tightening operation with the desired tightening torque, it is necessary to keep the tightening time and the motor rotation speed constant for each bolt.
  • the values of the automatic stop time and the maximum number of rotations can be switched to constant values corresponding to the work, so that it is always possible to work with a constant and accurate tightening torque.
  • Fig. 26 shows a graph of the relationship between the tightening time and the screw specifications relative to the optimum motor speed during screw tightening.
  • the shorter the overall length of the screw the shorter the tightening time for the operation. Therefore, it is necessary to control the motor from operation to stop as soon as possible, and it is difficult to cope with trigger operation.
  • the values of the automatic stop time and the maximum number of rotations can be switched to constant values corresponding to the size of the screw, so that stable screw tightening work can always be performed.
  • FIG. 27 shows the relationship of the PWM duty ratio corresponding to the trigger operation amount (stroke) detection signal.
  • the relational expressions (A), (B), and (C) are shown.
  • the relational expression (A) is a relational expression when the change of the PWM duty ratio is simply proportional to the trigger operation amount.
  • the relational expression (B) is a relational expression in which the PWM duty is low from the start of the trigger operation to just before reaching the full stroke, and after that, the PWM duty rapidly reaches 100% of the maximum value.
  • the operator usually positions the tip of the screw at the target position by operating the trigger switch by a small amount and rotating the motor by a small amount while pressing the screw against the workpiece. Do.
  • the relational expression (C) is a relational expression in which the PWM duty increases immediately after the trigger operation is started, and after that, the PWM duty gradually reaches 100% of the maximum value.
  • the relational expression (C) is suitable.
  • the relational expressions (A), (B), (C ), And a relational expression suitable for each work can be selected.
  • the calculation unit 441 acquires from the applied voltage setting circuit 449 whether the operation of the trigger switch 406 is on (S201).
  • the calculation unit 441 starts the operation of the motor 403 (S202).
  • the operation time detection circuit 1413 starts measuring the operation time (S203).
  • the calculation unit 441 obtains from the applied voltage setting circuit 449 whether the operation of the trigger switch 406 is on (S205).
  • the calculation unit 441 If the operation of the trigger switch 406 is off (S205: NO), the calculation unit 441 The operation of the motor 403 is stopped (S204), and the process returns to S201 again. On the other hand, when the operation of the trigger switch 406 is ON in S205 (S205: YES), the calculation unit 441 detects the rotation speed of the motor 403 by the rotation speed detection circuit 1411 (S206), and the maximum motor speed is set. Motor control is performed while adjusting the PWM duty ratio so that the motor is operated at the rotational speed (S207), the value of the operating time measured by the operating time detection circuit 1413 is confirmed (S208), and the measured operating time is measured. It is confirmed whether or not the automatic stop time has been reached (S209).
  • the determination in S216 it is determined whether or not it is a communicable mode in which the setting parameter of the electric tool 401 can be changed.
  • a communicable mode in which the setting parameter can be changed specifically, when the communicable mode is started in S221) (S216: YES)
  • infrared communication is performed from the portable device 459 to perform communication.
  • the infrared ray is received by the unit 458 (S217: YES)
  • the parameters of the automatic stop time and the maximum rotation speed are changed based on the value of the received communication signal (S218), and the communicable mode is ended (S219).
  • the automatic stop angle has a plurality of different set values
  • FIG. 29 shows the set values of the automatic stop angle in the present embodiment.
  • one of the setting modes A to D can be selected by the operation of the operation unit 453 to set the automatic stop angle.
  • the operation unit 453 on the power tool side cannot switch between FIGS. 29A and 29B, but by performing infrared communication from the portable device 459, the setting parameter is switched by communication, for example, FIG. ) To the set value shown in (B) (change from FIG. 29 (B) to (A) is also possible).
  • the control method when the setting value of the operation time and the maximum number of revolutions can be switched has been described. However, separately from this control method, the setting value of the operation time and the target current value of the motor can be switched.
  • the control method in this case will be described with reference to the flowchart of FIG.
  • the operation unit 453 has a target current value setting button as a changeover switch.
  • S231 to S235 are the same as S201 to S205 of FIG. 28.
  • the calculation unit 441 is controlled by the current detection circuit 448.
  • the current value of the motor 403 is detected (S236), the motor is controlled while adjusting the PWM duty ratio so that the motor is operated at the set target current value (S237), and measured by the operation time detection circuit 1413.
  • the value of the running time is confirmed (S238).
  • Steps S239 to S243 are the same as steps S209 to S213 in FIG. 28.
  • the set value can be switched only when the operation of the trigger switch 406 is OFF and the motor 403 is stopped.
  • S246 to S251 are the same as S216 to S221 in FIG.
  • a control circuit (a circuit configuration including a calculation unit 441 and a control signal output circuit 446) on the control circuit board 408 that controls the electric tool 401 with predetermined setting parameters, and an electric motor that changes the setting values of the setting parameters from the outside.
  • a portable device 459 separate from the tool 401 is provided, and when the setting value of the setting parameter is changed from the portable device 459 to the electric tool 401, the electric tool 401 and the portable device 459 perform wireless communication to set the setting parameter.
  • the configuration can change the value. As a result, the operator can set the optimum setting parameter for the work from the outside, and the setting parameter suitable for each work can be set, so that the work efficiency can be greatly improved.
  • the electric tool 401 can change the setting value of the setting parameter when the operation of the electric tool 401 is stopped, and cannot change the setting value of the setting parameter when the operation of the electric tool 401 is operating. is there. As a result, the setting parameter is changed during the operation of the electric power tool 401, and it is possible to prevent danger when the operation of the electric power tool 401 during the operation changes unintentionally.
  • An operation unit 453 having switches (setting buttons 456 and 457) operated by a worker is provided in the electric tool 401, and the state of the electric tool 401 can be changed by a switch operation.
  • the power tool 401 is switched and is in a changeable state (in this example, when the setting buttons 456 and 457 are pressed simultaneously)
  • the setting parameter can be changed by the portable device 459.
  • the state is an unchangeable state
  • the setting parameter cannot be changed by the portable device 459. Thereby, it is possible to prevent the setting parameters from being changed against the operator's intention.
  • the power tool 401 is provided with notifying means (light 451 that illuminates the tip of the power tool 401), communication is correctly performed between the power tool 401 and the portable device 459, and the setting parameter is correctly changed. Since the notification means notifies the worker, it is possible to reliably notify the worker that the setting parameter has been set correctly. By using the light 451 also as the notification means, it is not necessary to newly provide another notification means, and the configuration can be simplified.
  • notifying means light 451 that illuminates the tip of the power tool 401
  • the communication unit 458 of the electric tool 401 can only receive, and the communication unit of the portable device 459 can only transmit, so that only the circuit of the receiving unit is mounted on the electric tool 401.
  • the circuit does not increase in size, and as a result, the electric tool 401 does not increase in size.
  • the configuration of the power tool 401 side communication unit 458 and the portable device 459 is simplified.
  • the relational expression is Since the setting parameter can be changed by the portable device 459, the setting value (relational expression) can be changed according to various work applications to improve work efficiency.
  • the maximum rotational speed is set in the electric tool 401 that has the maximum rotational speed that is the upper limit of the rotational speed that can be operated by the motor 403 and is controlled by the control circuit so that the operation of the motor 403 is less than or equal to the maximum rotational speed. Since the parameter can be changed by the portable device 459, the setting value (maximum rotation speed) can be changed according to various work applications to improve the work efficiency.
  • the maximum rotation number is set by operating the maximum rotation number setting button 456. Since it is possible to switch to a plurality of different values and the set value of the maximum number of rotations of the motor 403 can be changed, the set value can be changed according to various work applications, and work efficiency can be improved. .
  • (9) It has an automatic stop time for controlling the operation time of the motor 403, and when the operation time after the trigger 406a is operated and the motor 403 is started reaches the automatic stop time, the trigger operation is performed.
  • the automatic stop time can be changed as a setting parameter by the portable device 459, so that the set value according to various work applications By changing (automatic stop time), work efficiency can be improved.
  • the electric tool 401 is provided with an operation unit 453 having an automatic stop time setting button 457 as a changeover switch for setting the automatic stop time, the automatic stop time is set by operating the automatic stop time setting button 457. Since it is possible to switch to a plurality of different values and the set value of the automatic stop time can be changed, it is possible to improve the work efficiency by changing the set value according to various work applications.
  • the target current value can be changed by the portable device 459 as a setting parameter. Therefore, it is possible to improve the work efficiency by changing the set value (target current value) according to various work applications.
  • the power tool 401 When the power tool 401 is provided with an operation unit 453 having a target current value setting button as a changeover switch for setting the target current value, the target current value varies depending on the operation of the target current value setting button. Since the set value of the target current value during operation of the motor can be changed, it is possible to improve the work efficiency by changing the set value according to various work applications.
  • the automatic stop angle can be changed by the portable device 459 as a setting parameter. Therefore, it is possible to improve the work efficiency by changing the set value (automatic stop angle) according to various work applications.
  • the automatic stop angle differs depending on the operation of the automatic stop angle setting button. Since the setting value of the automatic stop angle during operation of the motor can be changed, the setting value can be changed according to various work applications to improve work efficiency.
  • the power device, power device system, and power tool management system of the present invention are not limited to the above-described embodiments, and various modifications and improvements can be made within the scope described in the claims.
  • the electronic pulse driver 1 and the electric tool 401 are employed as an example of the power equipment, but are not limited thereto.
  • the present invention can be applied to an air tool using compressed air, an engine tool using an internal combustion engine, and the like.
  • the present invention can be applied to work equipment such as a brush cutter and a chain saw driven by electricity or an engine.
  • the electronic pulse driver can select one control mode from the four control modes.
  • the electronic pulse driver may be configured to be selectable from five or more control modes.
  • the torque and the rotation speed can be set between 0 and 100% in consideration of the temperature rise of the device, but a value of 100% or more may be set. As a result, it can be used in a wider range of applications.
  • the torque can be set as a ratio with respect to the maximum output of the motor, but it may be set by the torque “N” (Newton) of the tip tool.
  • N Newton
  • the graphs displayed in the clutch mode graph display area 97 and the pulse mode graph display area 100 are area graphs and scatter diagrams, but are not limited thereto.
  • it may be a line graph, a pie graph, or a bar graph.
  • a graph that visually represents the hit state of the hammer 42 and the anvil 52 with the vertical axis representing the torque and the horizontal axis representing the number of hits may be used.
  • the tab area 195 is provided with three tabs corresponding to each mode, but the present invention is not limited to this.
  • four tabs may be provided so that each tab corresponds to four control modes stored in the RAM of the electronic pulse driver 1.
  • the four modes stored in the electronic pulse driver 1 can be read at once.
  • the screen displayed on the window displays a screen on which all parameters of the drill mode, the clutch mode, and the pulse mode can be set.
  • a communication setting button may be further provided in the window 94 of the above-described embodiment. By pressing the communication setting button, a communication setting window is newly opened, and the communication protocol setting can be changed in the window.
  • communication with the external device 9 is possible via the wireless module 385, but communication with a smartphone via wireless communication may be possible. Thereby, the control mode of the electronic pulse driver can be changed more easily.
  • the communication between the communication unit 458 of the power tool 401 and the portable device 459 is exemplified by the infrared communication method, but a short-range wireless communication method using radio waves other than the infrared communication method is adopted. It is also possible to do.
  • a notification means that notifies the operator that communication between the power tool 401 and the portable device 459 is correctly performed and the setting parameter has been changed correctly is provided. Also good.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Portable Power Tools In General (AREA)

Abstract

La présente invention a pour objet de mettre en œuvre : un dispositif à moteur électrique comportant des modes de commande permettant de régler les paramètres de celui-ci, et un système de dispositif à moteur électrique ; et un système de gestion d'outil à moteur électrique au moyen duquel un opérateur peut régler, de manière externe par rapport à un outil à moteur électrique, un ensemble optimal de paramètres pour chaque type de travail effectué par l'outil à moteur électrique, pour considérablement améliorer la productivité. Un dispositif d'entraînement d'impulsions électroniques (1) est en mesure d'être connecté à un dispositif externe (9) au moyen d'un câble de communication (8). Le dispositif d'entraînement d'impulsions électroniques (1) comporte : un moteur (3) ; un outil à plaquettes (53) actionné par le moteur (3) ; une unité de stockage de programmes (83A) dans laquelle des modes de commande sont stockés ; un micro-ordinateur (83) ; et une unité de connexion (72) qui se connecte au dispositif externe (9). Le dispositif externe (9) comporte une unité de réception de connexion (93) qui se connecte à l'unité de connexion (72), et qui est donc en mesure de communiquer avec le dispositif d'entraînement d'impulsions électroniques (1) pour modifier les paramètres des modes de commande.
PCT/JP2013/066092 2012-06-12 2013-06-11 Dispositif à moteur électrique, système de dispositif à moteur électrique, et système de gestion d'outil à moteur électrique WO2013187411A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2012-133007 2012-06-12
JP2012133007A JP5995064B2 (ja) 2012-06-12 2012-06-12 動力機器及び動力機器システム
JP2012156110A JP2014018868A (ja) 2012-07-12 2012-07-12 電動工具管理システム
JP2012-156110 2012-07-12

Publications (1)

Publication Number Publication Date
WO2013187411A1 true WO2013187411A1 (fr) 2013-12-19

Family

ID=49758233

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2013/066092 WO2013187411A1 (fr) 2012-06-12 2013-06-11 Dispositif à moteur électrique, système de dispositif à moteur électrique, et système de gestion d'outil à moteur électrique

Country Status (1)

Country Link
WO (1) WO2013187411A1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106457549A (zh) * 2014-05-26 2017-02-22 株式会社牧田 用于电动工具的装置
WO2017102516A1 (fr) * 2015-12-18 2017-06-22 Robert Bosch Gmbh Machine-outil portative pourvue d'une unité de changement de vitesse
KR20180052632A (ko) * 2015-09-14 2018-05-18 외르크 호흐만 파워 렌치 및 외부 조작자 제어부를 가진 공구 시스템
CN112203802A (zh) * 2018-05-25 2021-01-08 工机控股株式会社 穿孔工具
EP3326758B1 (fr) * 2016-11-28 2022-08-10 Guido Valentini Outil électrique
GB2605278A (en) * 2021-03-23 2022-09-28 Snap On Incorporated Motor timeout in power tool
US11529726B2 (en) 2015-12-18 2022-12-20 Robert Bosch Gmbh Hand-held power tool comprising a communication interface
WO2023096718A1 (fr) * 2021-11-24 2023-06-01 Apex Brands, Inc. Ensemble outil électrique rotatif de commande de couple
EP4144483A4 (fr) * 2020-04-28 2023-11-08 Koki Holdings Co., Ltd. Machine de travail
DE102022113384A1 (de) 2022-05-27 2023-11-30 Bayerische Motoren Werke Aktiengesellschaft Schraubwerkzeug zum Verschrauben eines Schraubmittels

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004106075A (ja) * 2002-09-13 2004-04-08 Nitto Seiko Co Ltd トルクレンチ
JP2005351683A (ja) * 2004-06-09 2005-12-22 Makita Corp 締付工具とその管理装置とそれらのセット
JP2007007852A (ja) * 2006-08-08 2007-01-18 Makita Corp 締付工具
JP2008221371A (ja) * 2007-03-09 2008-09-25 Matsushita Electric Works Ltd 回転式工具
JP2009056555A (ja) * 2007-08-31 2009-03-19 Panasonic Electric Works Co Ltd 締付け工具
JP2009083002A (ja) * 2007-09-27 2009-04-23 Panasonic Electric Works Co Ltd インパクト回転工具

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004106075A (ja) * 2002-09-13 2004-04-08 Nitto Seiko Co Ltd トルクレンチ
JP2005351683A (ja) * 2004-06-09 2005-12-22 Makita Corp 締付工具とその管理装置とそれらのセット
JP2007007852A (ja) * 2006-08-08 2007-01-18 Makita Corp 締付工具
JP2008221371A (ja) * 2007-03-09 2008-09-25 Matsushita Electric Works Ltd 回転式工具
JP2009056555A (ja) * 2007-08-31 2009-03-19 Panasonic Electric Works Co Ltd 締付け工具
JP2009083002A (ja) * 2007-09-27 2009-04-23 Panasonic Electric Works Co Ltd インパクト回転工具

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10074267B2 (en) 2014-05-26 2018-09-11 Makita Corporation Apparatus for electric power tool
CN106457549A (zh) * 2014-05-26 2017-02-22 株式会社牧田 用于电动工具的装置
KR20180052632A (ko) * 2015-09-14 2018-05-18 외르크 호흐만 파워 렌치 및 외부 조작자 제어부를 가진 공구 시스템
JP2018526236A (ja) * 2015-09-14 2018-09-13 ヨルク ホーマンＪｏｅｒｇ Ｈｏｈｍａｎｎ パワーレンチと外部操作部とを備えた工具システム
JP7021075B2 (ja) 2015-09-14 2022-02-16 ホーマン ヨルク パワーレンチと外部操作部とを備えた工具システム
KR102594778B1 (ko) * 2015-09-14 2023-10-26 외르크 호흐만 파워 렌치 및 외부 조작자 제어부를 가진 공구 시스템
US11529726B2 (en) 2015-12-18 2022-12-20 Robert Bosch Gmbh Hand-held power tool comprising a communication interface
WO2017102516A1 (fr) * 2015-12-18 2017-06-22 Robert Bosch Gmbh Machine-outil portative pourvue d'une unité de changement de vitesse
US10994403B2 (en) 2015-12-18 2021-05-04 Robert Bosch Gmbh Hand-held power tool comprising a gearshift unit
EP3326758B1 (fr) * 2016-11-28 2022-08-10 Guido Valentini Outil électrique
CN112203802A (zh) * 2018-05-25 2021-01-08 工机控股株式会社 穿孔工具
CN112203802B (zh) * 2018-05-25 2023-07-14 工机控股株式会社 穿孔工具
EP4144483A4 (fr) * 2020-04-28 2023-11-08 Koki Holdings Co., Ltd. Machine de travail
TWI812097B (zh) * 2021-03-23 2023-08-11 美商施耐寶公司 工具及操作工具以提供馬達定時關閉的方法
GB2605278A (en) * 2021-03-23 2022-09-28 Snap On Incorporated Motor timeout in power tool
AU2022201922B2 (en) * 2021-03-23 2023-12-07 Snap-On Incorporated Motor timeout in power tool
GB2620297A (en) * 2021-03-23 2024-01-03 Snap On Incorporated Motor timeout in power tool
GB2605278B (en) * 2021-03-23 2024-04-03 Snap On Incorporated Motor timeout in power tool
WO2023096718A1 (fr) * 2021-11-24 2023-06-01 Apex Brands, Inc. Ensemble outil électrique rotatif de commande de couple
DE102022113384A1 (de) 2022-05-27 2023-11-30 Bayerische Motoren Werke Aktiengesellschaft Schraubwerkzeug zum Verschrauben eines Schraubmittels

Similar Documents

Publication Publication Date Title
WO2013187411A1 (fr) Dispositif à moteur électrique, système de dispositif à moteur électrique, et système de gestion d'outil à moteur électrique
JP5995064B2 (ja) 動力機器及び動力機器システム
US10322498B2 (en) Electric power tool
EP2459347B1 (fr) Outil à impact
EP2467239B1 (fr) Outil électrique
JP5991439B2 (ja) 電動工具およびそれを用いたポリッシャ
JP6128037B2 (ja) 電動工具
US20130062088A1 (en) Impact tool
US20130333910A1 (en) Impact tool
JP2012076160A (ja) 電動工具
JP2014018868A (ja) 電動工具管理システム
JP7210291B2 (ja) 電動ドライバドリル
US20190047131A1 (en) Electric working machine and method of controlling rotational state of motor of electric working machine
JP2015039750A (ja) 電動工具用ポリッシングアタッチメント
WO2015029660A1 (fr) Outil à aléser
JP5446253B2 (ja) インパクト式ねじ締め装置
JP2012240165A (ja) 電動工具
JP2012011504A (ja) 電動工具
JP5605685B2 (ja) 電動工具
JP5463987B2 (ja) 電動工具
JP6484918B2 (ja) 電動作業機
JP2012130989A (ja) 回転工具
JP2017024101A (ja) 作業工具
JP5556218B2 (ja) インパクト工具
JP6421835B2 (ja) 電動工具

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: 13805124

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 13805124

Country of ref document: EP

Kind code of ref document: A1