WO2019235506A1 - Outil électrique et outil électrique doté d'un bloc-batterie - Google Patents

Outil électrique et outil électrique doté d'un bloc-batterie Download PDF

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Publication number
WO2019235506A1
WO2019235506A1 PCT/JP2019/022262 JP2019022262W WO2019235506A1 WO 2019235506 A1 WO2019235506 A1 WO 2019235506A1 JP 2019022262 W JP2019022262 W JP 2019022262W WO 2019235506 A1 WO2019235506 A1 WO 2019235506A1
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WO
WIPO (PCT)
Prior art keywords
antenna
wireless communication
main body
battery pack
disposed
Prior art date
Application number
PCT/JP2019/022262
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English (en)
Japanese (ja)
Inventor
史明 沢野
秀規 清水
Original Assignee
パナソニックＩｐマネジメント株式会社
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Publication date
Application filed by パナソニックＩｐマネジメント株式会社 filed Critical パナソニックＩｐマネジメント株式会社
Publication of WO2019235506A1 publication Critical patent/WO2019235506A1/fr

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    • 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 disclosure generally relates to a power tool and a power tool with a battery pack, and more particularly to a power tool capable of wireless communication and a power tool with a battery pack.
  • various electric tools such as an impact wrench and a drill driver are provided with a wireless communication function for transmitting work information to the outside by wireless communication.
  • Patent Document 1 discloses a motor, a drive transmission unit that transmits the rotation of the motor to a tool, a motor control unit that controls the rotation of the motor, and a trigger switch that instructs the motor control unit to control the motor.
  • a power tool provided inside is described.
  • the power tool further includes a wireless communication device having an antenna unit that wirelessly communicates work information related to work contents with the outside.
  • the antenna unit is arranged so as to be positioned above the trigger switch in a predetermined storage state. For this reason, it is difficult to ensure a sufficient distance between the antenna unit and the motor. For example, wireless communication by a wireless communication device may be affected by noise generated from the motor.
  • An object of the present disclosure is to provide a power tool having a wireless communication function that is not easily affected by noise and a power tool with a battery pack.
  • the electric tool includes a motor, a transmission mechanism, an antenna, a wireless communication unit, and a housing.
  • the transmission mechanism transmits the rotational output of the motor to the tool.
  • the wireless communication unit performs at least one of transmission and reception of work information through wireless communication using the antenna.
  • the housing includes a first main body portion that houses the motor and the transmission mechanism, a second main body portion that has a battery pack mounting portion that allows a battery pack to be mounted, the first main body portion, and the second main body portion. And a grip portion for connecting the two.
  • the antenna is disposed on at least one of the grip portion and the second main body portion.
  • An electric tool with a battery pack includes the electric tool and the battery pack attached to the battery pack attachment portion.
  • FIG. 1 is a schematic diagram illustrating an electric tool according to Embodiment 1 of the present disclosure.
  • FIG. 2 is a schematic diagram illustrating an electric tool with a battery pack according to Embodiment 1 of the present disclosure.
  • FIG. 3 is a perspective view showing the electric tool with a battery pack of the above.
  • FIG. 4 is a schematic view in which the grip portion of the electric tool with a battery pack is broken.
  • FIG. 5 is a schematic diagram illustrating an electric tool with a battery pack according to Embodiment 2 of the present disclosure.
  • FIG. 6 is a schematic diagram illustrating an electric tool with a battery pack according to Embodiment 3 of the present disclosure.
  • FIG. 7 is a schematic diagram illustrating an electric tool with a battery pack according to Embodiment 4 of the present disclosure.
  • FIG. 8 is a schematic diagram illustrating an electric tool with a battery pack according to Embodiment 5 of the present disclosure.
  • FIGS. 1 to 4 are schematic diagrams, and the sizes and ratios of the components in FIGS. 1 to 4 are not necessarily the actual sizes and dimensional ratios. It does not necessarily represent.
  • the electric power tool 1 is an apparatus that operates the motor 10 with the electric energy of the battery pack 61 and drives the tool 11 with the output of the motor 10. .
  • the battery pack 61 is detachably attached to the electric tool 1.
  • the battery pack 61 and the electric tool 1 constitute an electric tool 100 with a battery pack.
  • the battery pack-equipped electric tool 100 according to the present embodiment includes the electric tool 1 and the battery pack 61.
  • a tool 11 is detachably attached to the electric tool 1. That is, in the present embodiment, the battery pack 61 and the tool 11 are both removable from the electric tool 1 and are not included in the components of the electric tool 1.
  • the electric tool 1 includes a motor 10, a transmission mechanism 20, an antenna 30, a wireless communication unit 40, and a housing 50, as shown in FIG.
  • the power tool 1 is an impact driver.
  • the transmission mechanism 20 transmits the output of the motor 10 to the tool 11.
  • the tool 11 is a driver.
  • the wireless communication unit 40 performs wireless communication of work information using an antenna. That is, the wireless communication unit 40 performs at least one of transmission and reception of work information by wireless communication using the antenna 30.
  • the work information is, for example, information regarding work contents when working with the electric tool 1.
  • the housing 50 includes a first main body portion 51, a second main body portion 52, and a grip portion 53.
  • the first main body 51 accommodates the motor 10 and the transmission mechanism 20.
  • the 2nd main-body part 52 has the battery pack attaching part 60 which can attach the battery pack 61.
  • FIG. The grip part 53 connects the first main body part 51 and the second main body part 52.
  • the antenna 30 is disposed on at least one of the grip portion 53 and the second main body portion 52. That is, the antenna 30 is accommodated in a region other than the first main body 51 in the housing 50.
  • the motor 10 is disposed in the first main body 51 in the housing 50, but the antenna 30 is disposed in at least one of the grip 53 and the second main body 52 in the housing 50. . Therefore, it is easier to secure a distance between the antenna 30 and the motor 10 than when both the antenna 30 and the motor 10 are arranged in the first main body 51. Therefore, even when noise is generated from the motor 10, wireless communication using the antenna 30 can be made less susceptible to noise. As a result, for example, communication errors are less likely to occur.
  • the electric tool 1 includes a motor 10, a transmission mechanism 20, an antenna 30, a wireless communication unit 40, and a housing 50. As shown in FIG. 1, the housing 50 accommodates the motor 10, the transmission mechanism 20, the antenna 30, and the wireless communication unit 40.
  • the housing 50 includes a first main body portion 51, a second main body portion 52, and a grip portion 53.
  • the first main body 51 accommodates the motor 10 and the transmission mechanism 20.
  • the 2nd main-body part 52 has the battery pack attaching part 60 which can attach the battery pack 61.
  • FIG. The grip part 53 connects the first main body part 51 and the second main body part 52.
  • the second main body portion 52 has a battery pack mounting portion 60.
  • the battery pack mounting portion 60 is disposed at the lower end portion of the second main body portion 52.
  • the grip part 53 is a part that the operator grips with his / her hand when working. The operator can hold the power tool 1 by gripping the grip portion 53.
  • the first main body portion 51, the grip portion 53, and the second main body portion 52 are integrally formed.
  • the area of the cross section of the grip part 53 orthogonal to the longitudinal direction of the grip part 53 is smaller than the area of the cross section of the second main body part 52 orthogonal to the longitudinal direction. That is, the area of the cross section of the grip portion 53 orthogonal to the vertical direction is smaller than the area of the cross section of the second body portion 52 orthogonal to the vertical direction.
  • the grip part 53 is narrower than the second main body part 52, and the second main body part 52 has a shape protruding from the outer peripheral surface of the grip part 53 in a plane perpendicular to the vertical direction.
  • the grip part 53 has a narrower shape than the second main body part 52, the grip part 53 can be easily gripped when the operator holds the power tool 1 by gripping the grip part 53 by hand.
  • the grip portion 53 has an elongated shape in the vertical direction so that the vertical direction is the longitudinal direction. Since the grip portion 53 has such a shape, the operator can easily grip the grip portion 53.
  • the motor 10 is a drive unit that drives the transmission mechanism 20 and is disposed in the first main body 51.
  • the motor 10 is disposed behind the center of the first main body 51 in the front-rear direction.
  • the motor 10 is controlled by the control unit.
  • the control unit includes, for example, a microcomputer having a CPU (Central Processing Unit) and a memory, and the CPU controls the operation of the motor 10 by executing a program stored in the memory.
  • CPU Central Processing Unit
  • the transmission mechanism 20 is disposed in the first main body 51 and transmits the output of the motor 10 to the tool 11.
  • the power tool 1 is an impact driver
  • the tool 11 is a driver bit.
  • the transmission mechanism 20 is disposed in front of the center of the first main body 51 in the front-rear direction.
  • the transmission mechanism 20 is connected to the motor 10 disposed behind the first main body 51.
  • the tool 11 is mounted on the chuck 12 as shown in FIG.
  • the chuck 12 is provided at the front end of the first main body 51.
  • the chuck 12 is provided in front of the transmission mechanism 20 in the first main body 51.
  • the tool 11 is detachably attached to the chuck 12.
  • the chuck 12 is made of metal.
  • the chuck 12 is driven using the motor 10 as a drive source. For example, in this embodiment, the rotational driving force of the motor 10 is transmitted to the chuck 12 via the transmission mechanism 20, and the chuck 12 rotates.
  • the tool 11 is attached to the electric tool 1 so as to face the work target. That is, the tool 11 is attached to the front end portion of the first main body portion 51.
  • the work target By arranging the work target in front of the electric power tool 1, the work can be performed on the work target.
  • the electric power tool 1 performs a screw tightening operation in a posture facing a metal plate as a work object positioned in front of the electric power tool 1.
  • the transmission mechanism 20 includes a speed reduction mechanism 21 connected to the motor 10 and an impact mechanism 22 connected to the output shaft of the speed reduction mechanism 21.
  • the driving force of the motor 10 is transmitted to the chuck 12 through the speed reduction mechanism 21 and the striking mechanism 22.
  • the driving force is transmitted to the chuck 12 until a predetermined load is applied to the chuck 12.
  • a striking motion is performed in the striking mechanism 22, and a driving force is transmitted to the chuck 12 by the striking motion.
  • the electric power tool 1 further includes an operation unit 70 disposed in the grip unit 53.
  • the operation unit 70 is disposed above the center in the longitudinal direction of the grip unit 53. Furthermore, the operation unit 70 is disposed so as to be exposed from the front surface of the grip unit 53. Since the operation unit 70 is arranged in the grip unit 53, the operator can easily operate the operation unit 70 when the operator uses the power tool 1 while holding the grip unit 53 by hand.
  • the operation unit 70 is a switch operator.
  • the switch is electrically connected to a control unit that controls the motor 10.
  • the switch is a push button switch, and outputs an operation signal corresponding to the operation of the operation unit 70.
  • the switch is a multistage switch or a non-stage switch (variable resistor) in which an operation signal changes according to an operation amount (push-in amount) of the operation unit 70.
  • the control unit controls the motor 10 based on an operation signal from the switch.
  • the wireless communication unit 40 is a communication module capable of wireless communication such as Wi-Fi (registered trademark).
  • Wi-Fi registered trademark
  • “Wireless communication” in the present disclosure means communication using radio waves as a medium.
  • the wireless communication unit 40 may perform wireless communication directly with the counterpart terminal, or may perform wireless communication indirectly via a repeater or the like.
  • the wireless communication unit 40 is connected to the antenna 30 via the antenna line 31.
  • the wireless communication unit 40 performs at least one of transmission and reception of work information by wireless communication using the antenna 30.
  • “Work information” in the present disclosure is information related to work using the electric power tool 1, for example, information related to work contents when working using the electric power tool 1.
  • the work information is work information related to the work content of the screw tightening work such as, for example, the tightening torque, the number of screw tightening, the work time, and the battery remaining amount.
  • the wireless communication unit 40 can transmit work information to an external management device via the antenna 30. Further, the wireless communication unit 40 can receive work information from an external instruction device via the antenna 30.
  • the wireless communication unit 40 includes a substrate 41.
  • the substrate 41 is a printed wiring board.
  • Various electronic components including a semiconductor device are mounted on the substrate 41.
  • the wireless communication unit 40 has a structure in which the substrate 41 is covered with a buffer material. When the wireless communication unit 40 has such a structure, an impact caused by vibration during operation can be reduced by the buffer material.
  • the wireless communication unit 40 is disposed in the grip unit 53. Therefore, it is easier to secure a distance between the wireless communication unit 40 and the motor 10 than when the wireless communication unit 40 is disposed in the first main body 51. Therefore, even when noise is generated from the motor 10, wireless communication can be made less susceptible to noise.
  • wireless communication part 40 is arrange
  • the wireless communication unit 40 is arranged so that one surface in the thickness direction of the substrate 41 is substantially parallel to the front-rear direction of the electric power tool 1.
  • the wireless communication unit 40 is arranged so that the longitudinal direction of the substrate 41 is substantially parallel to the vertical direction of the electric power tool 1.
  • the antenna 30 is connected to the wireless communication unit 40 via the antenna line 31.
  • the antenna 30 is disposed on one surface in the thickness direction of the substrate 41 of the wireless communication unit 40. In this case, since the distance between the antenna 30 and the substrate 41 of the wireless communication unit 40 becomes short, wireless communication can be made less susceptible to noise.
  • the substrate 41 has a rectangular shape, and the antenna 30 is closer to one of the four corners of the substrate 41 than the center in the longitudinal direction and the short direction of the substrate 41. Is arranged.
  • the antenna 30 only needs to be disposed on one surface in the thickness direction on the substrate 41, and the position of the antenna 30 on the substrate 41 is not particularly limited.
  • the shape of the substrate 41 is not limited to a rectangular shape. As will be described later, by appropriately changing the position of the antenna 30 disposed on the substrate 41 of the wireless communication unit 40, the antenna 30 is disposed at a desired position of the grip part 53 and the second main body part 52. Can do.
  • the antenna 30 is disposed on at least one of the grip portion 53 and the second main body portion 52. That is, the motor 10 is disposed in the first main body 51, while the antenna 30 is disposed in a location other than the first main body 51 of the housing 50. Therefore, it is easier to secure a distance between the antenna 30 and the motor 10 than when both the antenna 30 and the motor 10 are arranged in the first main body 51. Therefore, even when noise is generated from the motor 10, wireless communication using the antenna 30 can be made less susceptible to noise. As a result, for example, communication errors are less likely to occur. Furthermore, since the antenna 30 is hardly affected by noise from the motor 10, the antenna 30 can be downsized.
  • the antenna 30 can be arranged in a small gap in the housing 50 when the antenna 30 and the wireless communication unit 40 are arranged at positions separated from each other. Can increase the degree of freedom. That is, for example, when the antenna 30 is not disposed on one surface in the thickness direction of the substrate 41 of the wireless communication unit 40, the antenna 30 is placed at a desired position in at least one of the grip unit 53 and the second main body unit 52. Can be arranged.
  • the antenna 30 is provided between the operation portion 70 and the battery pack mounting portion 60 in the longitudinal direction of the grip portion 53 among the grip portion 53 and the second main body portion 52. Is located in the area. That is, the antenna 30 is disposed below the operation unit 70 in the grip unit 53 and the second main body unit 52. Therefore, it is easier to secure the distance between the antenna 30 and the motor 10, and even when noise is generated from the motor 10, wireless communication using the antenna 30 can be made less susceptible to noise.
  • the antenna 30 is disposed in the grip portion 53 and is disposed below the center of the grip portion 53 in the longitudinal direction. That is, the antenna 30 is disposed in a region farther from the first main body 51 out of two regions obtained by equally dividing the grip portion 53 in the vertical direction. Therefore, it is easier to secure a distance between the antenna 30 and the motor 10 disposed in the first main body 51, and even when noise is generated from the motor 10, wireless communication using the antenna 30 is affected by the noise. It can be made difficult to receive.
  • the antenna 30 is disposed behind the center of the grip portion 53 in the short direction. That is, the antenna 30 is disposed in a region farther from the tool 11 out of two regions obtained by dividing the grip portion 53 into two equal parts in the front-rear direction. Therefore, when using the electric tool 1 with the tool 11 directed toward the work target, a distance between the work target and the antenna 30 can be ensured.
  • the distance between the work target and the antenna 30 is short, fading occurs due to reflection of radio waves or the like due to the influence of the work target during wireless communication, and the communication status tends to become unstable. However, since the distance between the work target and the antenna 30 is secured, the communication status is easily stabilized.
  • the operation unit 70 is disposed above the center of the grip portion 53 in the longitudinal direction so as to be exposed from the front surface of the grip portion 53. Therefore, when the worker holds the electric power tool 1 by gripping the grip portion 53 with his / her hand, the worker's hand is likely to be positioned above the grip portion 53. Further, the front end portion of the grip portion 53 is more easily covered by the operator's hand than the rear end portion of the grip portion 53.
  • the antenna 30 is disposed below the center in the longitudinal direction of the grip portion 53 and behind the center in the short direction of the grip portion 53. Therefore, compared with the case where the antenna 30 is disposed above the center in the longitudinal direction of the grip portion 53 or ahead of the center in the short direction of the grip portion 53, the radio wave transmitted or received by the antenna 30 is Not easily affected by the hands of workers.
  • the antenna 30 is disposed on one surface in the thickness direction of the substrate 41 of the wireless communication unit 40. Therefore, the antenna 30 is arranged at a desired position in the grip part 53 and the second main body part 52 by arranging the wireless communication part 40 at an appropriate place in the grip part 53 and the second main body part 52. Can do. Further, the antenna 30 may be arranged at a desired position among the grip part 53 and the second main body part 52 by appropriately changing the position of the antenna 30 arranged on the substrate 41 of the wireless communication unit 40.
  • the electric tool 100 with a battery pack includes the electric tool 1 and a battery pack 61.
  • the battery pack 61 is detachably attached to the battery pack mounting portion 60.
  • the battery pack 61 can be attached to the battery pack attachment portion 60 by hooking a plurality of hooking claws provided on the battery pack 61 and a plurality of engaging portions provided on the battery pack attachment portion 60. .
  • the battery pack 61 can be removed by sliding while pressing a button provided on the battery pack 61.
  • the method for attaching and detaching the battery pack 61 is not limited to this, and any method may be used as long as the method can attach and detach the battery pack 61.
  • the battery pack 61 includes a rechargeable secondary battery.
  • the battery pack 61 may include only one secondary battery cell or may include a plurality of secondary battery cells. Further, only one type of battery pack 61 may be attached to the battery pack attachment portion 60, or a plurality of types of battery packs may be attachable. For example, a plurality of types of battery packs having different rated voltages and battery capacities may be attached.
  • the type of the electric tool 1 is not limited to the impact driver, and may be an electric tool such as an impact wrench, a drill driver, a hammer drill, a band saw, a power cutter, a sander, and a disc grinder.
  • the type of the tool 11 is not limited to the driver, and may be a bit such as a drill and a hole saw, for example.
  • the type of the tool 11 is appropriately selected according to the type of the electric tool 1.
  • the first main body 51, the grip 53, and the second main body 52 may not be formed integrally.
  • the first main body portion 51, the grip portion 53, and the second main body portion 52 may be formed as separate members and connected by bonding or the like to constitute the housing 50.
  • the battery pack attachment portion 60 may be disposed at a place other than the lower end portion of the second main body portion 52.
  • the battery pack mounting portion 60 may be disposed at the rear end portion of the second main body portion 52 or may be disposed at the front end portion.
  • the battery pack attachment portion 60 may be disposed anywhere on the second main body portion 52 as long as the battery pack 61 can be attached.
  • the area of the cross section of the grip part 53 orthogonal to the longitudinal direction of the grip part 53 is preferably smaller than the area of the cross section of the second main body part 52 orthogonal to the longitudinal direction, but is not limited thereto. That is, the area of the cross section of the grip part 53 orthogonal to the vertical direction is preferably smaller than the area of the cross section of the second main body part 52 orthogonal to the vertical direction, but is not limited thereto.
  • the grip portion 53 may be as thick as the second main body portion 52. Further, the thickness of the grip part 53 may be larger than the thickness of the second main body part 52.
  • the grip portion 53 preferably has an elongated shape in the vertical direction, but is not limited thereto.
  • the grip part 53 may be formed with a thickness that is approximately the same as that of the second main body part 52, for example, and a handle for an operator to grip the grip part 53 may be provided.
  • the shape of the grip part 53 is not particularly limited as long as the operator can hold the electric power tool 1 by holding it with a hand.
  • the motor 10 may be disposed at a location other than the location behind the center of the first main body 51 in the front-rear direction.
  • the motor 10 may be arrange
  • the transmission mechanism 20 may be arrange
  • the electric power tool 1 may not have the chuck 12 according to the type.
  • the electric tool 1 when the electric tool 1 is a sander, a disc grinder, or the like, the electric tool 1 may not be provided with the chuck 12.
  • the chuck 12 may not be made of metal and is not particularly limited as long as it has a strength capable of holding the tool 11.
  • the electric tool 1 further includes an operation unit 70 disposed in the grip unit 53
  • the present invention is not limited to this.
  • the operation unit 70 may be disposed in the first main body 51 or may be disposed in the second main body 52.
  • the operation unit 70 may be disposed below the center of the grip portion 53 in the longitudinal direction.
  • the operation unit 70 may be disposed at a central portion in the vertical direction of the grip unit 53.
  • the operation unit 70 may be disposed behind the center of the grip unit 53 in the short direction.
  • the position of the operation unit 70 is not particularly limited as long as the operator can operate the operation unit 70.
  • the operation unit 70 is not limited to a push button switch, and may be a slide switch, a toggle switch, a rocker switch, or the like.
  • the electric tool 1 may include one wireless communication unit 40 or may include a plurality of wireless communication units 40. Moreover, the electric tool 1 may be provided with one antenna, and may be provided with a plurality of antennas.
  • the battery pack 61 may not be removable from the battery pack mounting portion 60. That is, the battery pack 61 may not be removable from the electric tool 1.
  • the wireless communication unit 40 is a communication module capable of wireless communication, such as Wi-Fi (registered trademark), but is not limited thereto, and can perform communication using radio waves as a medium. Any communication module may be used. For example, it is only necessary that wireless communication can be performed using a wireless system that does not require a license.
  • the wireless system without a license is, for example, Bluetooth (registered trademark), specific low power wireless, or the like.
  • the antenna 30 is preferably disposed on one surface in the thickness direction of the substrate 41 of the wireless communication unit 40, but is not limited thereto. As will be described later in Embodiments 4 and 5, the antenna 30 may be disposed at a position away from the wireless communication unit 40 as long as it is connected to the wireless communication unit 40 via the antenna line 31.
  • the position of the wireless communication part 40 is not particularly limited.
  • the wireless communication unit 40 may be disposed in the first main body portion 51, may be disposed in the second main body portion 52, or may be disposed in the grip portion 53.
  • the wireless communication unit 40 includes at least one of the grip unit 53 and the second main body unit 52. It is preferable to arrange on one side.
  • the wireless communication unit 40 is disposed below the midpoint in the vertical direction of the grip unit 53, but is not limited thereto.
  • the wireless communication unit 40 may be disposed above the middle point in the vertical direction of the grip unit 53, or may be disposed in the vicinity of the middle point, that is, in the central portion in the vertical direction of the grip unit 53.
  • the wireless communication unit 40 is disposed so that one surface in the thickness direction of the substrate 41 is substantially parallel to the front-rear direction of the electric power tool 1, but is not limited thereto.
  • the wireless communication unit 40 may be arranged so that one surface in the thickness direction of the substrate 41 intersects with the front-rear direction of the power tool 1, and one surface in the thickness direction of the substrate 41 is the vertical direction of the power tool 1. It may be arranged so as to intersect.
  • the wireless communication unit 40 may be arranged such that one surface in the thickness direction of the substrate 41 is substantially parallel to the front-rear direction of the power tool 1.
  • the wireless communication unit 40 is arranged so that the longitudinal direction of the substrate 41 is substantially parallel to the vertical direction of the electric power tool 1, but is not limited thereto.
  • the wireless communication unit 40 may be arranged such that the short side direction of the substrate 41 is substantially parallel to the vertical direction of the power tool 1.
  • the antenna 30 only needs to be disposed in at least one of the grip portion 53 and the second main body portion 52, and is disposed in a region between the operation portion 70 and the battery pack mounting portion 60 in the longitudinal direction of the grip portion 53. It does not have to be.
  • the antenna 30 may be disposed above the midpoint of the grip portion 53 in the longitudinal direction.
  • the antenna 30 may be disposed substantially equal to or above the operation portion 70 in the vertical direction of the electric power tool 1. Further, the antenna 30 may be disposed in front of the midpoint of the grip portion 53 in the short direction.
  • the antenna 30 may be disposed in the second main body portion 52.
  • the antenna 30 may be disposed above the center of the second main body portion 52 in the vertical direction, may be disposed below, or may be disposed in the central portion in the vertical direction.
  • the antenna 30 may be arrange
  • elements common to the electric power tool 1 according to the first embodiment are denoted by the same reference numerals as in the first embodiment. Moreover, description of elements common to the electric power tool 1 according to the first embodiment is omitted as appropriate.
  • the wireless communication unit 40 is disposed in the second main body 52.
  • the antenna 30 is disposed on the second main body portion 52. That is, the antenna 30 is disposed on one surface in the thickness direction of the substrate 41 of the wireless communication unit 40, and both the antenna 30 and the wireless communication unit 40 are disposed on the second main body 52.
  • the antenna 30 is disposed in the second main body portion 52, it is easier to secure a distance between the antenna 30 and the motor 10. Therefore, even when noise is generated from the motor 10, wireless communication using the antenna 30 can be made less susceptible to noise.
  • the wireless communication unit 40 is disposed in the second main body unit 52, it is easier to ensure a distance between the wireless communication unit 40 and the motor 10. Therefore, even when noise is generated from the motor 10, wireless communication can be made less susceptible to noise. Since both the antenna 30 and the wireless communication unit 40 are arranged in the second main body 52, the wireless communication using the antenna 30 is particularly difficult to be affected by noise.
  • one surface in the thickness direction of the substrate 41 intersects the longitudinal direction of the grip portion 53.
  • the wireless communication unit 40 is arranged so that one surface in the thickness direction of the substrate 41 is substantially parallel to the front-rear direction of the power tool 1.
  • the wireless communication unit 40 is disposed below the center of the second main body 52 in the vertical direction. That is, the wireless communication unit 40 is disposed in the second main body unit 52 at a location close to the battery pack mounting unit 60. Therefore, it is easier to secure a distance between the wireless communication unit 40 and the motor 10, and even when noise is generated from the motor 10, the wireless communication is not easily affected by the noise.
  • the antenna 30 is arranged behind the center of the second main body 52 in the front-rear direction. Therefore, compared with the case where it arrange
  • the wireless communication unit 40 may be disposed above the center of the second main body 52 in the vertical direction. Furthermore, the antenna 30 may be disposed forward of the center of the second main body portion 52 in the front-rear direction.
  • the modification examples of the electric tool 1A according to the present embodiment can be applied by appropriately combining the modification examples described above as the modification examples of the electric power tool 1 of the first embodiment without departing from the configuration of the present embodiment.
  • FIG. 6 elements common to the electric power tool 1 ⁇ / b> A according to the second embodiment are denoted by the same reference numerals as in the second embodiment. Further, description of elements common to the power tool 1A according to the second embodiment will be omitted as appropriate.
  • the wireless communication unit 40 is arranged in the area. That is, the wireless communication unit 40 is disposed behind the center of the second main body 52 in the front-rear direction. Therefore, it is easier to secure a distance between the wireless communication unit 40 and the motor 10, and even when noise is generated from the motor 10, the wireless communication is not easily affected by the noise.
  • the antenna 30 when the direction in which the tool 11 faces the work target is defined as the facing direction, the antenna 30 is the one farther from the work target in the two regions obtained by dividing the second main body 52 into two equal parts. Arranged in the area. That is, the antenna 30 is arranged behind the center of the second main body portion 52 in the front-rear direction. Therefore, not only the distance between the antenna 30 and the motor 10 can be secured, but also the distance between the antenna 30 and the work target can be secured. Therefore, it is easy to prevent the wireless communication using the antenna 30 from being more affected by noise or fading due to the reflection of radio waves due to the influence of the work target, resulting in unstable communication conditions.
  • the wireless communication unit 40 is disposed so that one surface in the thickness direction of the substrate 41 is substantially parallel to the vertical direction of the electric power tool 1B.
  • the wireless communication part 40 should just be arrange
  • substrate 41 is not substantially parallel with the up-down direction of the electric tool 1B. Also good.
  • the modification examples of the electric tool 1B according to the present embodiment can be applied by appropriately combining the modification examples described above as the modification examples of the electric tool 1 of the first embodiment without departing from the configuration of the present embodiment.
  • the antenna 30 and the wireless communication unit 40 are arranged apart from each other. That is, the antenna 30 is not disposed on one surface in the thickness direction of the substrate 41 of the wireless communication unit 40.
  • the wireless communication unit 40 is disposed below the center in the longitudinal direction of the grip unit 53 as in the case of the first embodiment.
  • the antenna 30 is disposed above the center of the grip portion 53 in the longitudinal direction.
  • the antenna 30 may be disposed at a position away from the wireless communication unit 40 as long as it is connected to the wireless communication unit 40 via the antenna line 31. Since the antenna 30 is not easily affected by noise from the motor 10, the antenna 30 can be reduced in size. Therefore, when the antenna 30 and the wireless communication unit 40 are arranged apart from each other as in the present embodiment, if the antenna 30 is small, the antenna 30 can be easily arranged at an arbitrary location. Can increase the degree of freedom.
  • the antenna 30 may be disposed away from the wireless communication unit 40 and may not be disposed above the center of the grip unit 53 in the longitudinal direction.
  • the antenna 30 may be disposed below the center of the grip portion 53 in the longitudinal direction.
  • the antenna 30 is arrange
  • the antenna 30 may be disposed in front of the center of the grip portion 53 in the short direction, or may be disposed in the rear.
  • the antenna 30 may not be disposed on the grip portion 53.
  • the antenna 30 may be disposed at an arbitrary position of the second main body portion 52.
  • the modification examples of the electric tool 1C according to the present embodiment can be applied by appropriately combining the modification examples described above as the modification examples of the electric tool 1 according to the first embodiment without departing from the configuration of the present embodiment.
  • FIG. 8 elements that are the same as those in the electric tool 1 ⁇ / b> A according to the second embodiment are denoted by the same reference numerals as in the second embodiment. Further, description of elements common to the power tool 1A according to the second embodiment will be omitted as appropriate.
  • the antenna 30 and the wireless communication unit 40 are arranged apart from each other. That is, the antenna 30 is not disposed on one surface in the thickness direction of the substrate 41 of the wireless communication unit 40.
  • the wireless communication unit 40 moves the upper and lower sides of the second main body 52 so that one surface in the thickness direction of the substrate 41 is substantially parallel to the front-rear direction of the power tool 1D. It is arranged below the center of the direction.
  • the antenna 30 is disposed in the grip portion 53.
  • the antenna 30 may be disposed at a position away from the wireless communication unit 40 as long as it is connected to the wireless communication unit 40 via the antenna line 31. Since the antenna 30 is not easily affected by noise from the motor 10, the antenna 30 can be reduced in size. Therefore, when the antenna 30 and the wireless communication unit 40 are arranged apart from each other as in the present embodiment, if the antenna 30 is small, the antenna 30 can be easily arranged at an arbitrary location. Can increase the degree of freedom.
  • the antenna 30 is disposed near the center of the grip portion 53 in the longitudinal direction.
  • the antenna 30 only needs to be disposed away from the wireless communication unit 40, and may be disposed above or below the center of the grip portion 53 in the longitudinal direction, for example.
  • the antenna 30 is arrange
  • the antenna 30 may be disposed near the center of the grip portion 53 in the short direction, or may be disposed forward of the center.
  • the antenna 30 may not be disposed on the grip portion 53.
  • the antenna 30 may be disposed at an arbitrary position of the second main body portion 52.
  • modification examples of the electric power tool 1D according to the present embodiment can be applied by appropriately combining the modifications described above as the modification examples of the electric power tool 1 of the first embodiment without departing from the configuration of the present embodiment.
  • the power tool (1, 1A, 1B, 1C, 1D) includes a motor (10), a transmission mechanism (20), an antenna ( 30), a wireless communication part (40), and a housing (50).
  • the transmission mechanism (20) transmits the output of the motor (10) to the tool (11).
  • the wireless communication unit (40) performs at least one of transmission and reception of work information by wireless communication using the antenna (30).
  • the housing (50) includes a first body part (51), a second body part (52), and a grip part (53).
  • the first main body (51) accommodates the motor (10) and the transmission mechanism (20).
  • the second body part (52) has a battery pack attachment part (60) to which the battery pack (61) can be attached.
  • the grip portion (53) connects the first main body portion (51) and the second main body portion (52).
  • the antenna (30) is disposed on at least one of the grip part (53) and the second main body part (52).
  • the electric power tool (1, 1A, 1B, 1C, 1D) according to the second aspect according to the present disclosure further includes an operation part (70) disposed in the grip part (53) in the first aspect.
  • the operation portion (70) since the operation portion (70) is disposed in the grip portion (53), the operator holds the grip portion (53) by hand and holds the electric power tool (1, 1A, 1B, When using 1C, 1D), the operation unit (70) can be easily operated.
  • the antenna (30) is provided between the operating portion (70) and the battery pack mounting portion (60) in the longitudinal direction of the grip portion (53) among the grip portion (53) and the second main body portion (52). Arranged in the area.
  • the third aspect it is easier to secure the distance between the antenna (30) and the motor (10). Therefore, even when noise is generated from the motor (10), wireless communication using the antenna (30) can be made less susceptible to noise.
  • the antenna (30) is disposed on the second main body (52). Yes.
  • the motor (10) is disposed in the first body portion (51), while the antenna (30) is disposed in the second body portion (52), the antenna (30). It is easier to secure a distance between the motor and the motor (10). Therefore, even when noise is generated from the motor (10), wireless communication using the antenna (30) can be made less susceptible to noise.
  • the wireless communication unit (40) includes the substrate (41). Including.
  • the antenna (30) is disposed on one surface of the substrate (41) in the thickness direction.
  • the wireless communication can be made less susceptible to noise.
  • the wireless communication unit (40) includes the second main body ( 52).
  • the motor (10) is arrange
  • the wireless communication unit (40) includes a substrate (41). One surface in the thickness direction of the substrate (41) intersects the longitudinal direction of the grip portion (53).
  • the seventh aspect it is easier to secure the distance between the wireless communication unit (40) and the motor (10). Therefore, even when noise is generated from the motor (10), wireless communication can be made less susceptible to noise.
  • the second main body (52) is divided into two equal parts in the facing direction.
  • the wireless communication unit (40) is arranged in an area far from the work target in the area.
  • the facing direction is the direction in which the tool (11) faces the work target.
  • the eighth aspect it is possible to secure a distance between the work target and the wireless communication unit (40) when using the electric power tool (1, 1A, 1B, 1C, 1D). For this reason, fading occurs due to the reflection of radio waves due to the influence of the work target, and the communication status is less likely to become unstable. As a result, for example, communication errors are less likely to occur.
  • the area of the cross section of the grip portion (53) is the second It is smaller than the cross-sectional area of the main body (52).
  • the area of the cross section of the grip part (53) is the area of the cross section orthogonal to the longitudinal direction of the grip part (53), and the area of the cross section of the second main body part (52) is orthogonal to the longitudinal direction. It is the area of the section of the second body part (52).
  • the grip portion (53) since the grip portion (53) has a narrower shape than the second main body portion (52), the operator grips the grip portion (53) with his / her hand and holds the electric tool (1, 1A). , 1B, 1C, 1D), the grip portion (53) can be easily gripped.
  • the electric tool with battery pack (100, 100A, 100B, 100C, 100D) is the electric tool (1, 1A, 1B, 1C, any one of the first to ninth aspects). 1D) and a battery pack (61).
  • the battery pack (61) is detachably attached to the battery pack attachment portion (60).
  • an electric tool (100, 100A, 100B, 100C, 100D) with a battery pack in which wireless communication is less susceptible to noise and communication errors are less likely to occur.
  • the configurations according to the second to tenth aspects are not essential to the electric power tool (1, 1A, 1B, 1C, 1D) and can be omitted as appropriate.
  • Wireless communication section 50 Housing 51 First body section 52 Second body section 52 Grip section 60 Battery pack mounting section 61 Battery pack

Landscapes

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

Abstract

La présente invention concerne : un outil électrique qui comporte une fonction de communication sans fil qui n'est pas facilement affectée par un bruit ; et un outil électrique doté d'un bloc-batterie. Selon la présente invention, l'outil électrique (1) comporte : un moteur (10) ; un mécanisme de transmission (20), qui transmet la sortie du moteur (10) à un outil (11) ; une antenne (30) ; une unité de communication sans fil (40), qui effectue une transmission et/ou une réception d'informations de travail au moyen d'une communication sans fil à l'aide de l'antenne (30) ; et un boîtier (50). Le boîtier (50) comprend : une première partie de corps principal (51), qui contient le moteur (10) et le mécanisme de transmission (20) ; une seconde partie de corps principal (52), qui possède une partie d'ajustement de bloc-batterie (60) sur laquelle un bloc-batterie (61) peut être ajusté ; et une partie de préhension (53), qui relie la première partie de corps principal (51) et la seconde partie de corps principal (52) l'une à l'autre. L'antenne (30) est disposée sur la partie de préhension (53) et/ou sur la seconde partie de corps principal (52).
PCT/JP2019/022262 2018-06-08 2019-06-05 Outil électrique et outil électrique doté d'un bloc-batterie WO2019235506A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018-110495 2018-06-08
JP2018110495A JP2019209460A (ja) 2018-06-08 2018-06-08 電動工具及び電池パック付き電動工具

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WO2019235506A1 true WO2019235506A1 (fr) 2019-12-12

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010030024A (ja) * 2008-07-31 2010-02-12 Makita Corp 電気機器
WO2015175503A1 (fr) * 2014-05-12 2015-11-19 Molex Incorporated Ensemble modulaire
JP2015223637A (ja) * 2014-05-26 2015-12-14 株式会社マキタ 電動工具
US20170173768A1 (en) * 2015-12-17 2017-06-22 Milwaukee Electric Tool Corporation System and method for configuring a power tool with an impact mechanism
JP2017159431A (ja) * 2016-03-11 2017-09-14 株式会社マキタ 電動工具
JP2018069445A (ja) * 2011-07-24 2018-05-10 株式会社マキタ 動力工具システム

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008213069A (ja) * 2007-03-01 2008-09-18 Matsushita Electric Works Ltd 電動工具
JP5740563B2 (ja) * 2009-09-25 2015-06-24 パナソニックＩｐマネジメント株式会社 電動工具

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010030024A (ja) * 2008-07-31 2010-02-12 Makita Corp 電気機器
JP2018069445A (ja) * 2011-07-24 2018-05-10 株式会社マキタ 動力工具システム
WO2015175503A1 (fr) * 2014-05-12 2015-11-19 Molex Incorporated Ensemble modulaire
JP2015223637A (ja) * 2014-05-26 2015-12-14 株式会社マキタ 電動工具
US20170173768A1 (en) * 2015-12-17 2017-06-22 Milwaukee Electric Tool Corporation System and method for configuring a power tool with an impact mechanism
JP2017159431A (ja) * 2016-03-11 2017-09-14 株式会社マキタ 電動工具

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