EP2431134B1 - Appareil manuel doté d'un moteur d'entraînement électrique - Google Patents

Appareil manuel doté d'un moteur d'entraînement électrique Download PDF

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Publication number
EP2431134B1
EP2431134B1 EP11007155.2A EP11007155A EP2431134B1 EP 2431134 B1 EP2431134 B1 EP 2431134B1 EP 11007155 A EP11007155 A EP 11007155A EP 2431134 B1 EP2431134 B1 EP 2431134B1
Authority
EP
European Patent Office
Prior art keywords
handheld tool
tool according
system carrier
battery pack
housing
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
EP11007155.2A
Other languages
German (de)
English (en)
Other versions
EP2431134A3 (fr
EP2431134A2 (fr
Inventor
Georg Heinzelmann
Andreas Binder
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Andreas Stihl AG and Co KG
Original Assignee
Andreas Stihl AG and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Andreas Stihl AG and Co KG filed Critical Andreas Stihl AG and Co KG
Publication of EP2431134A2 publication Critical patent/EP2431134A2/fr
Publication of EP2431134A3 publication Critical patent/EP2431134A3/fr
Application granted granted Critical
Publication of EP2431134B1 publication Critical patent/EP2431134B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B25F5/02—Construction of casings, bodies or handles

Definitions

  • the invention relates to a hand-held implement with an electric drive motor of the type specified in the preamble of claim 1.
  • the housing of the electrical appliance has an insertion opening for a battery pack.
  • a U-shaped battery carrier is used, which has contacts for the battery pack in the bottom area.
  • the invention has for its object to provide a hand-held implement with an electric drive motor of the type mentioned, in which a simple assembly of the electrical components and more favorable arrangement of the battery pack are given.
  • the electrical components are combined on a system carrier and used as an assembly in the housing of the working device, whereby the assembly is substantially simplified. Functional inspection of the module is already possible before installation in the housing, so that errors can be detected and remedied early. Further, it is advantageous that the battery pack can be completely accommodated in the housing of the working device and does not protrude at any point disturbing.
  • the battery compartment is formed between two parallel walls or wall parts of the system carrier which rise from a floor, wherein the floor with the walls or wall parts has the shape of a U.
  • the shape of the battery compartment is defined sufficiently with minimal use of the material for the system carrier.
  • a peripheral edge is arranged , which surrounds an insertion opening of the battery compartment.
  • the system carrier is made of a plastic and is designed as an injection molded part in one piece.
  • the receptacles for the electrical components and for the electrical lines can be provided, so that the greatest possible integration is possible.
  • guide webs are arranged between the battery pack and the walls form a gap. In this way, with appropriate guidance of a cooling air flow within the housing and the cooling of the battery pack can be done.
  • the electrical components preferably comprise at least one electronic control or regulating device and a switching device or a switch.
  • the switching device advantageously includes a controllable resistor, so that the size of the voltage to be fed in is variable.
  • the electronic control ensures optimum operation of the electric motor, taking into account the respective parameters. Self-may be provided instead of the controller and an electronic control. The claims therefore also extend to arrangements in which a regulation is provided.
  • the electrical lines are combined to form a cable harness, which is at least partially disposed in recesses of the system carrier.
  • a prefabricated wiring harness simplifies assembly and can be easily held in the recesses of the system carrier.
  • a carrier plate is provided on the system carrier, on which the electronic control and connector and possibly other components are arranged. In this way, the electrical components can be combined to form an assembly, which is then attached to the system carrier and connected to the contact elements.
  • the electrical components also include a switch which interrupts the power supply from the battery pack upon actuation of a hand guard.
  • the contact elements for contacting the battery pack are arranged at the bottom of the battery bay, preferably on a floating contact plate.
  • Fig. 1 shows a power saw 1 in perspective from above, in a housing 2 a - in Fig. 1 not visible - electric drive motor is arranged.
  • a front extending over the housing handle 3 and a rear handle 4 are arranged.
  • the housing 2 is provided with a plurality of air inlet openings 8, can be sucked through the cooling air into the housing.
  • a receiving space is provided adjacent to the rear handle 4, in which a system support 5 is mounted on which a plurality of switching and control elements are arranged, which will be discussed in more detail later, and has a battery compartment 6 for a battery pack, formed between two substantially parallel vertical walls 9, 9 '.
  • a hand guard 7 is provided in the front region of the housing 2.
  • the Fig. 2 shows a perspective view of the power saw 1, wherein the housing is removed to more clearly illustrate the system carrier 5.
  • the system carrier 5 has a bottom 10, starting from which, the walls 9, 9 'extend upward.
  • a battery pack 11 is used, which is supported on the floor 10.
  • an electrical switching device 12 On the wall 9 'is on the side facing away from the battery pack 11, an electrical switching device 12, which may optionally include a controllable resistor (potentiometer), is provided.
  • the system carrier 5 On the system carrier 5 in Fig. 2 is also a fan coil 15 is formed on which a switch 16 is arranged, is acted upon by the forward pressing of the hand guard 7, so that an interruption of the power supply of the drive motor takes place. It is a safety shutdown in certain situations when handling the implement.
  • the system carrier 5 comprises both the receptacle for the battery pack 11 and provided for the electrical control of the drive motor switching and control elements (electrical components 12, 13, 16).
  • a throttle lever 17 is mounted, which is preferably mechanically connected to the electrical switching device 12 and possibly also acts on the potentiometer.
  • Fig. 3 is one of the chainsaw 1 in Fig. 2 corresponding view shown, however, with removed from the leadframe 5 battery pack, so that the battery compartment 6 formed between the walls 9, 9 'above the bottom 10 is empty.
  • contact elements 18 are provided, which in the inserted state of in Fig. 2 shown battery packs 11 contact this trained electrical connections.
  • the contact elements 18 are held on a mounted on the bottom 10 of the battery case 6 contact plate.
  • the terminals of the battery pack are contacted with the contact elements 18 and brought to safe investment during the remaining distance just before reaching the bottom 10.
  • the reference numerals in Fig. 3 for equal parts with those of Fig. 2 match.
  • the Fig. 4 shows a side view of the system carrier 5 with the part of the fan housing provided thereon, preferably a fan coil 15, which accommodates a mounted on the motor shaft of the drive motor impeller with fully assembled chainsaw.
  • the impeller is used for sucking a cooling air flow, which serves both for cooling the drive motor and for cooling the electronic controller 13.
  • these guide webs 19, along which the battery pack is guided during insertion This results in a gap between the walls 9, 9 'and the battery pack, so that by suitable Air duct of the cooling air flow or a partial flow of this is also given a cooling of the battery pack.
  • Fig. 4 It can be seen that the bottom 10 and the walls 9, 9 'of the system carrier 5 essentially have the shape of a U, wherein the contact elements 18 are arranged on the bottom 11.
  • the switch 16 On the wall 9 'is the switching device 12 and on the wall 9, the electronic controller 13 is mounted.
  • the fan spiral 15 On the fan spiral 15 is the switch 16.
  • the electrical leads 20 are preferably combined in a cable harness, which can be installed in corresponding recesses of the system carrier 5.
  • For the connection of the drive motor electrical lines 21 are provided with terminals 22.
  • Fig. 5 which shows a perspective view of the other side of the system carrier 5 obliquely from below, it can be seen that the fan spiral 15 comprises two parts joined together in the axial direction, wherein the in Fig. 5 front part is made in one piece with the system carrier 5.
  • the switching device 12 On the switching device 12 a plurality of electrical lines 20 are connected, leading to the electronic control 13 and the switch 16. Incidentally, for the same parts, the reference numerals with those of 3 and 4 match.
  • the Fig. 6 shows a representation of the system carrier 5 according to Fig. 4 It can be seen from this that between the walls 9, 9 'and the battery pack 11 each have a gap 23 remains, through which a cooling air flow can be performed.
  • the reference numerals of the other components are identical to those of Fig. 4 ,
  • Fig. 7 shows a plan view of the arrangement according to Fig. 6 , wherein in the system carrier 5 between the walls 9, 9 'of the battery pack 11 is inserted. On the wall 9 is the electronic control 13 with the cooling fins 14 and on the fan coil 15 is the switch 16. The apparent in this illustration electrical lines are designated 20.
  • FIG. 8 shows a perspective view of a lower housing part 31 of a sweeping device 30 which is supported on mounted on wheel carriers 32 wheels.
  • the sweeping device 30 is equipped with an electric drive motor, not shown.
  • the power supply unit for the drive motor is a - in Fig. 8 not shown - battery pack, as he, for example, from Fig. 6 and 7 is apparent.
  • the interior of the lower housing part 31 thus forms a receiving space for the power supply unit.
  • the system carrier 25 which is attached to the lower housing part 31.
  • the system carrier 25 has a battery compartment 26 which is open at the top. At the lower end of the battery compartment 26 is closed by a bottom 27. Starting from the base 27, wall parts 36, 36 'extend upwards to a peripheral edge 29 surrounding an insertion opening.
  • An electrical switch 28, which is arranged in a receiving device on the peripheral edge 29, and an electronic control 33 are located on the system carrier 25 Attachment to the lower housing part 31 serve molded supports 34 with eyelets 35.
  • Fig. 9 is the system tray 25 off Fig. 8 shown separately and enlarged.
  • the system carrier 25 comprises the two wall parts 36, 36 'extending from the bottom 27 in the direction of the access opening to the battery compartment 26 and the peripheral edge 29 on which holding elements 37 for fixing the battery pack are arranged.
  • a support plate 39 accommodated in a holder 38 for electrical components, such as components such as the electronic control 33, switching transistors 40 and connector 41 are provided.
  • the required electrical connection lines are formed in the support plate 39.
  • the switch 28 At the peripheral edge 29 of the switch 28 is provided, which may be based on an upper housing part of the sweeping device 30 designed so that it is directly accessible to an operator, or by a arranged on the upper housing part triggering element by means of a mechanical connection can be actuated.
  • the support 34 Starting from the peripheral edge 29, the support 34 extends laterally next to the carrier plate 39 with the attachment eyelet 35 molded onto the end thereof.
  • the Fig. 10 shows a perspective view of the other side of the system carrier 25. It can be seen that also on this side of the peripheral edge 29, starting from a support 34 'extends, at the end of a mounting lug 35' is located. Between the wall parts 36, 36 ', an opening is formed above the bottom 27, can be seen through the contact elements 118 located at the bottom 27, which are preferably arranged on a floating contact plate. In this way, positioning inaccuracies between terminals of the battery pack and the contact elements 118 can be compensated automatically, without any mechanical damage, but the electrical contact is ensured. Above the ground 27 is in Fig.
  • a Ausschubvorraum 42 provided for the battery pack, which is designed as a resilient wire bow and pushes the battery pack to a certain length from the battery compartment 26 when the holding elements 37 are released.
  • the switch 28 is located at the peripheral edge 29 above the wall portion 36 '.
  • the Fig. 11 shows a perspective view from above of the system carrier 25. From this illustration it can be seen that on the supports 34, 34 'further attachment points 43, 43' are provided in the form of holes in which mounting or positioning elements can be accommodated. At the bottom 27 are the contact elements 18 and the Ausschubvorraum 42. On the support plate 39, the electronic control 33 with the cooling fins and the connector 41 can be seen. Incidentally, the reference numerals for like parts with those of Fig. 8 to 10 match.
  • Fig. 12 shows a plan view of the system carrier 25, which may be made as a one-piece injection-molded part.
  • the system carrier 25 is equipped with the components, namely switch 28, support plate 39 with the controller 33 and the connector plugs 41, contact plate with contact elements 118 and the required electrical connection lines.
  • the Ausschubvorraum 42 is used.
  • the reference numerals for the other elements are of those of 8 to 11 In order to avoid repetition in this regard, reference is made to the above description.
  • the 8 to 12 are all electrical lines for connecting the electrical components such as contact elements 118, switch 28, electronic control 33 laid within the system carrier 25 and therefore in 8 to 12 not visible.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Battery Mounting, Suspending (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Claims (15)

  1. Appareil manuel avec un moteur d'entraînement électrique et une batterie (11) qui sert d'unité d'alimentation en énergie pour le moteur d'entraînement, étant précisé qu'il est prévu sur un carter (2, 31) de l'appareil un logement pour la batterie (11), qu'il est prévu dans le carter (2, 31) un logement et, dans celui-ci, un support de système sur lequel sont montés des composants électriques (12, 13, 16) et des conducteurs électriques (20), qu'une gaine pour batterie (6, 26) est formée dans le support de système (5, 25) et que des éléments de contact (18, 118) destinés à établir un contact pour la batterie (11) sont disposés sur le support de système (5, 25), et qu'à l'aide des conducteurs (20) qui se trouvent sur le support de système (5, 25), les composants électriques (12, 13, 16) sont reliés entre eux et aux éléments de contact (18, 118), que la gaine pour batterie (6, 26) est formée entre deux parois parallèles (9, 9') qui dépassent d'un fond (10, 27), ou entre deux parties de parois (36, 36') du support de système (5, 25), que le fond (10, 27) présente avec les parois (9, 9') ou les parties de parois (36, 36') la forme d'un U, caractérisé en ce qu'il est prévu aux extrémités des parties de parois (6, 36') opposées au fond (27) un bord périphérique (29) qui entoure une ouverture d'introduction de la gaine pour batterie (26).
  2. Appareil manuel selon la revendication 1,
    caractérisé en ce qu'il est prévu, sur les côtés des parois (9, 9') tournés l'un vers l'autre, des nervures de guidage (19) qui forment un interstice (23) entre la batterie (11) et les parois (9, 9').
  3. Appareil manuel selon la revendication 2,
    caractérisé en ce qu'il est prévu, rapportés sur le bord périphérique (29), des supports (34, 34') aux extrémités libres desquels se trouvent des oeillets de fixation (35, 35').
  4. Appareil manuel selon l'une des revendications 1 à 3,
    caractérisé en ce que le support de système (5, 25) est en matière plastique et est réalisé d'une seule pièce sous la forme d'une pièce moulée par injection.
  5. Appareil manuel selon l'une des revendications 1 à 4,
    caractérisé en ce qu'il est prévu, rapportée sur le support de système, une partie d'un carter de soufflante (15) qui sert à loger une roue de soufflante.
  6. Appareil manuel selon la revendication 3,
    caractérisé en ce qu'il est prévu, aux extrémités des parties de paroi (36, 36') opposées au fond (27), des éléments de fixation (37) pour la fixation de la batterie (11).
  7. Appareil manuel selon l'une des revendications 1 à 6,
    caractérisé en ce que les composants électriques comprennent une commande électronique (13, 33) et un dispositif de commutation (12) ou un commutateur (28).
  8. Appareil manuel selon les revendications 1 et 4,
    caractérisé en ce que les conducteurs électriques (20) sont réunis en un faisceau de câbles qui est disposé au moins en partie dans des logements du support de système (5, 25).
  9. Appareil manuel selon l'une des revendications 1 à 8,
    caractérisé en ce qu'il est prévu sur le support de système (5, 25) des conducteurs électriques (21) avec des bornes (22) pour la connexion au moteur d'entraînement.
  10. Appareil manuel selon la revendication 7,
    caractérisé en ce qu'il est prévu sur le support de système (25) une plaque de support (39) sur laquelle sont disposés la commande électronique (33) est des fiches de raccordement (41).
  11. Appareil manuel selon l'une des revendications 1 à 10,
    caractérisé en ce que les composants électriques comprennent un interrupteur (16) qui, lors de l'actionnement d'une protection manuelle (7), interrompt l'alimentation électrique de la batterie (11).
  12. Appareil manuel selon l'une des revendications 1 à 11,
    caractérisé en ce que les éléments de contact (18) destinés à établir un contact pour la batterie (11) sont disposés sur le fond (10, 27) de la gaine pour batterie (6, 26).
  13. Appareil manuel selon la revendication 7,
    caractérisé en ce qu'il est prévu sur le carter (2) de l'appareil une poignée arrière (4), et qu'il est prévu, montée sur celle-ci, une manette des gaz (17) qui est reliée mécaniquement au dispositif de commutation (12).
  14. Appareil manuel selon les revendications 3 et 7,
    caractérisé en ce qu'il est prévu sur le bord périphérique (29) un dispositif de réception pour le commutateur (28).
  15. Appareil manuel selon l'une des revendications 2 à 14,
    caractérisé en ce qu'il est prévu sur le fond (10, 27) de la gaine pour batterie (6, 26) un dispositif d'éjection pour la batterie (11).
EP11007155.2A 2010-09-18 2011-09-03 Appareil manuel doté d'un moteur d'entraînement électrique Active EP2431134B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201010045993 DE102010045993A1 (de) 2010-09-18 2010-09-18 Handgeführtes Arbeitsgerät mit einem elektrischen Antriebsmotor

Publications (3)

Publication Number Publication Date
EP2431134A2 EP2431134A2 (fr) 2012-03-21
EP2431134A3 EP2431134A3 (fr) 2014-06-25
EP2431134B1 true EP2431134B1 (fr) 2015-11-11

Family

ID=44650852

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11007155.2A Active EP2431134B1 (fr) 2010-09-18 2011-09-03 Appareil manuel doté d'un moteur d'entraînement électrique

Country Status (4)

Country Link
US (1) US8757288B2 (fr)
EP (1) EP2431134B1 (fr)
CN (1) CN102431016B (fr)
DE (1) DE102010045993A1 (fr)

Families Citing this family (19)

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DE102008064007A1 (de) * 2008-12-19 2010-06-24 Andreas Stihl Ag & Co. Kg Heckenschere
JP5809262B2 (ja) * 2010-07-02 2015-11-10 フスクバルナ アクティエボラーグ 電池式電動工具
DE102010045994A1 (de) * 2010-09-18 2012-03-22 Andreas Stihl Ag & Co. Kg Handgeführtes Arbeitsgerät
DE102011106578A1 (de) * 2011-06-16 2012-12-20 Andreas Stihl Ag & Co. Kg Akkubetriebener Elektromotor in einem Arbeitsgerät
CN205177900U (zh) 2012-06-12 2016-04-20 米沃奇电动工具公司 电池组
DE102013223814B4 (de) 2013-11-21 2024-01-25 Robert Bosch Gmbh Handwerkzeugmaschinengehäusevorrichtung
US9855671B2 (en) * 2016-01-14 2018-01-02 Echo Incorporated Battery operated chain saw
JP6615648B2 (ja) * 2016-03-10 2019-12-04 株式会社マキタ チェーンソー
DE102016003150A1 (de) * 2016-03-16 2017-09-21 Andreas Stihl Ag & Co. Kg Handgeführtes Arbeitsgerät mit einem Elektromotor
WO2017220009A1 (fr) * 2016-06-23 2017-12-28 常州格力博有限公司 Dispositif de compartiment de batterie, tête d'alimentation et dispositif de fixation de cordon d'alimentation
CA3051497C (fr) 2017-01-24 2024-01-02 Tti (Macao Commercial Offshore) Limited Support de borne de batterie pour outils electriques
JP7261633B2 (ja) * 2019-03-26 2023-04-20 株式会社やまびこ 電動作業機
JP7048724B2 (ja) * 2019-03-28 2022-04-05 本田技研工業株式会社 バッテリの取り付け構造及び作業機
JP7253462B2 (ja) * 2019-06-28 2023-04-06 株式会社やまびこ 電動式手持ち作業機
EP3825065B8 (fr) * 2019-11-19 2024-05-29 Andreas Stihl AG & Co. KG Appareil de travail fonctionnant sur accumulateur doté d'un conduit d'air de refroidissement
WO2021107827A1 (fr) * 2019-11-25 2021-06-03 Husqvarna Ab Outil de travail portatif alimenté électriquement
JP2022053268A (ja) * 2020-09-24 2022-04-05 株式会社やまびこ ヘッジトリマー
EP4040571A1 (fr) 2021-02-09 2022-08-10 Andreas Stihl AG & Co. KG Bloc d'accumulateur destiné à l'insertion interchangeable dans une cavité de réception
DE102022116975A1 (de) 2022-07-07 2024-01-18 Andreas Stihl Ag & Co. Kg Handgehaltenes Elektrowerkzeug und System mit einem handgehaltenen Elektrowerkzeug

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JPS5917902U (ja) * 1982-07-27 1984-02-03 株式会社共立 携帯形動力作業機
JPH0829505B2 (ja) * 1988-02-17 1996-03-27 株式会社マキタ 携帯用の電池式電動工具
US6511770B2 (en) * 2000-12-14 2003-01-28 Kang-Chao Chang Battery casing with an ejector
US6729413B2 (en) * 2001-08-24 2004-05-04 Black & Decker Inc. Power tool with battery pack ejector
US20050058890A1 (en) * 2003-09-15 2005-03-17 Kenneth Brazell Removable battery pack for a portable electric power tool
US7770660B2 (en) 2007-11-21 2010-08-10 Black & Decker Inc. Mid-handle drill construction and assembly process
DE102009012184A1 (de) * 2009-02-27 2010-09-02 Andreas Stihl Ag & Co. Kg Tragbares, handgeführtes Elektrogerät mit einem Akkupack
DE102009012177A1 (de) * 2009-02-27 2010-09-02 Andreas Stihl Ag & Co. Kg Akkubetriebenes, handgeführtes Elektrogerät
DE102009012175A1 (de) * 2009-02-27 2010-09-02 Andreas Stihl Ag & Co. Kg Elektroarbeitsgerät mit einem Akkupack
DE102009012178B4 (de) * 2009-02-27 2019-07-04 Andreas Stihl Ag & Co. Kg Akkubetriebenes, handgeführtes Arbeitsgerät

Also Published As

Publication number Publication date
EP2431134A3 (fr) 2014-06-25
DE102010045993A1 (de) 2012-03-22
EP2431134A2 (fr) 2012-03-21
US8757288B2 (en) 2014-06-24
CN102431016B (zh) 2016-06-22
CN102431016A (zh) 2012-05-02
US20120067608A1 (en) 2012-03-22

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