WO2009065324A1 - Ensemble de charge d'un outil de puissance portatif - Google Patents

Ensemble de charge d'un outil de puissance portatif Download PDF

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Publication number
WO2009065324A1
WO2009065324A1 PCT/CN2008/072674 CN2008072674W WO2009065324A1 WO 2009065324 A1 WO2009065324 A1 WO 2009065324A1 CN 2008072674 W CN2008072674 W CN 2008072674W WO 2009065324 A1 WO2009065324 A1 WO 2009065324A1
Authority
WO
WIPO (PCT)
Prior art keywords
charging
conductive
battery holder
power tool
circuit board
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.)
Ceased
Application number
PCT/CN2008/072674
Other languages
English (en)
Chinese (zh)
Inventor
Gwo-Rong Lay
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO2009065324A1 publication Critical patent/WO2009065324A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/46—Accumulators structurally combined with charging apparatus
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/271—Lids or covers for the racks or secondary casings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/284—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with incorporated circuit boards, e.g. printed circuit boards [PCB]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/296—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by terminals of battery packs
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the utility model relates to a power tool accessory, in particular to a charging device of a hand-held power tool.
  • FIG. 1 and FIG. 2 A known hand-held power tool and a charging device thereof are disclosed in FIG. 1 and FIG. 2 of the novel case of China TW No. M297821.
  • the bottom of the hand-held power tool carries a rechargeable battery with a base, and the rechargeable battery provides The power required to operate the power tool. When the battery is exhausted, the operator can take the base out and attach it to a charging stand for charging.
  • the battery and the charging base are oppositely provided with a groove and a protruding post.
  • the protruding post and the groove are provided with metal conductive elements which are electrically conductive with relative contact, and the two are electrically connected to each other when combined.
  • the present invention proposes a novel state of charge device for a hand-held power tool. Summary of the invention
  • the utility model aims to provide a charging device for a hand-held power tool, which overcomes the defects of the above-mentioned conventional structure, avoids excessive exposure of the conductive element to the environment and rapidly oxidizes, and also prevents small-sized foreign matter from adhering to the On the conductive element, the risk of a decrease in electrical conductivity and a short circuit is reduced.
  • the safety cover can be pushed away when the battery holder is coupled to the charging stand, which is very convenient to use.
  • a charging device for a hand-held power tool includes a battery holder and a charging base.
  • the battery holder and the charging base have electronic components for charging and transmitting functions therein; and the special feature is:
  • a charging circuit board is disposed inside the charging base and electrically connected to the electronic component to which the charging stand belongs;
  • the conductive element has a second end engageable with the conductive receiving portion, the second end is upwardly extended and can be bounced up and down On the surface of the charging stand;
  • a safety cover that can be positioned between a first position and a second position and movable between the two is disposed inside the charging stand; the first position completely covers the second end of the plurality of conductive elements, The second position completely exposes the second ends of the plurality of conductive elements;
  • a battery circuit board disposed inside the battery holder and electrically connected to an electronic component inside the battery holder;
  • the conductive receiving portion corresponding to the number of the conductive elements is disposed on the battery circuit board, and each of the conductive receiving portions has an area larger than a cross section of the second end of the conductive element; the battery holder corresponds to the conductive receiving portion An opening is provided corresponding to the opening for exposing the conductive receiving portion.
  • the safety cover has an elastic spring that can be normally located in the first position.
  • the two ends of the spring are fixed on the charging circuit board and surround a spring receiving portion of the safety cover.
  • the battery circuit board of the battery holder includes two electric output portions.
  • Each of the electrical output portions includes a first conductive sheet, a second conductive sheet, and a third conductive sheet.
  • the two ends of the first conductive sheet are respectively disposed opposite to the second conductive sheet and the third conductive sheet.
  • the locating post has a plurality of positioning protrusions penetrating into the positioning holes around the charging circuit board, and a tail end thereof has a stopping portion for preventing the positioning protrusion from coming off the positioning hole.
  • the upper surface of the charging base is provided with an inclined guiding surface for guiding the battery holder into a charging position.
  • the two sides of the guiding surface and the opposite positions of the battery holder are provided with bumps and grooves that can be slidably engaged with each other.
  • the charging circuit board and the battery circuit board are used to simplify assembly of the electronic components of the charging stand and the battery holder.
  • the safety cover of the utility model can protect the inner conductive component when the charging base is not in use, avoid excessive exposure of the conductive component to the environment and rapidly oxidize, and can prevent small-sized impurities from adhering to the conductive component, thereby reducing The risk of reduced electrical conductivity and short circuit.
  • the safety cover can be pushed away when the battery holder is coupled to the charging stand, which is very convenient to use.
  • the conductive receiving portion of the battery holder of the present invention has a cross-sectional area having a predetermined size and a relative area larger than that of the conductive member of the charging stand, thereby providing a relatively large conductive contact area to ensure that each conductive element is charged.
  • the second end does make contact with the conductive receiving portion.
  • the two electric output portions of the battery holder form a total of four effective electrical transmission contact portions with respect to the pins of the power receiving portion of the power tool, thereby increasing the contact area of the two to ensure the contact area of the two.
  • the battery is stably transmitted to the power tool, and it can cope with the electric energy required for the high-power operation of the power tool.
  • the space of the charging stand and the battery holder can be reduced by effectively utilizing the space.
  • FIG. 1 is an exploded perspective view of a battery holder and a charging stand of the present invention.
  • FIG. 2 is a combined appearance view of the battery holder and the charging stand of the present invention.
  • FIG. 3 is a perspective view of the safety cover of the charging stand of the present invention pushed away by the battery holder.
  • FIG. 4 is an exploded perspective view of the safety cover and the charging circuit board of the present invention.
  • Figure 5 is an exploded perspective view of the battery holder of the present invention.
  • Figure 6 is an external view of the battery circuit board of the present invention.
  • FIG. 7 is a combined side view and a partial cross-sectional view of the battery holder and the charging stand of the present invention. detailed description
  • the charging device of the present invention comprises a battery holder 60 and a charging stand 30.
  • the battery holder 60 is coupled to a hand-held power tool (not shown) to provide power required for the operation of the power tool by the associated rechargeable battery; the battery holder can also be detached from the power tool and coupled to the battery holder 60 Charging is performed on the charging stand 30.
  • the charging stand 30 of the present invention includes:
  • An inclined guiding surface 32 is disposed on the upper surface of the base 31 of the charging base 30, and the guiding surface 32 is used for guiding the battery holder 60 to enter a charging position for positioning.
  • the two sides of the guiding surface 32 and the opposite positions of the battery holder 60 are provided with the protrusions 33 and the grooves 61 which are slidably engaged with each other to assist the battery holder 60 to accurately reach the charging position, or to move in the opposite direction. The direction is out of the charging position.
  • a charging circuit board 40 is fixed in the seat body 31 of the charging base 30.
  • the printed circuit on the charging circuit board is electrically connected to the electronic component having the power transmission function.
  • a conductive unit 41 is disposed on the charging circuit board 40.
  • the conductive unit 41 is formed by a plurality of hook-shaped conductive elements 42.
  • the first end 421 of each conductive element 42 is fixed to the charging circuit board 40, and the second end 422 is lifted up to form a vertically movable state. And protrudes from the upper surface of the seat body 31.
  • a safety cover 50 is disposed inside the seat body 31 and is positionable between a first position and a second position and moves between the two.
  • the first position completely covers the second end 422 of the plurality of conductive elements 42 (shown in FIG. 1), the second position completely exposing the second end 422 of the plurality of conductive elements 42 (shown in FIG. 3) ).
  • the safety cover 50 is normally in the first position by the elastic force of a spring 51.
  • the safety cover 50 is pushed to the second position so that the conductive member 42
  • Both ends of the spring 51 are fixed to the charging path board 40 and bypass the spring receiving portion 52 of the safety cover 50.
  • the battery holder 60 shown in FIG. 1, FIG. 2, FIG. 5, and FIG. 6 already has a rechargeable battery 63 and has a power transmission function.
  • the electronic components of the energy, this part is a known technology, and will not be described here.
  • the battery holder 60 of the present invention includes:
  • a battery circuit board 70 is fixed to the inside of the battery holder 60, and the printed circuit thereon is electrically connected to the above-mentioned rechargeable battery 63 and its associated electronic component having a power transmission function.
  • the conductive receiving portion 71 corresponding to the conductive member 42 is disposed on the battery circuit board 70.
  • Each of the conductive receiving portions 71 has a predetermined size and is relatively larger than an area of a cross section of the second end 422 of the conductive member 42.
  • the battery holder 60 is provided with a corresponding number of openings 64 corresponding to the conductive receiving portion 71 to expose the conductive receiving portion 71.
  • the second end 422 of the conductive member 42 can be electrically connected thereto.
  • the receiving portion 71 is joined to generate a conductive function.
  • the second electrical output portion 80 is disposed on the battery circuit board 70.
  • Each of the electrical output portions 80 includes a first conductive sheet 81, a second conductive sheet 82, and a third conductive sheet 83.
  • the first conductive sheet 81 The two ends are opposite to the second conductive piece 82 and the third conductive piece 83, and a pin (not shown) of the electric receiving part belonging to the electric tool is interposed therebetween, and the two electric energy output parts 80 form a total of four with respect to the pin. Conductive contact.
  • the battery holder 60 of the present invention is obliquely embedded on the charging stand 30 and in a charging position.
  • the safety cover 50 is pushed forward.
  • the second end 422 of the conductive member 42 of the charging stand 30 can contact the conductive receiving portion 71 of the battery holder 60, that is, start charging.
  • the figure shows that the inside of the charging stand 30 is inserted into the positioning hole around the charging circuit board 40 by a plurality of positioning protrusions 34 extending downward, and is formed or disposed at the tail end of the positioning protrusion 34.
  • the stopper portion 341 prevents the positioning boss 34 from coming off the positioning hole 43 , whereby the charging path plate 40 is fixed in the charging stand 30 .

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Secondary Cells (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

L'invention concerne un ensemble de charge d'un outil de puissance portatif qui inclut un berceau de batterie et un berceau de charge. Dans le berceau de charge, on trouve certaines pièces conductrices électriquement sur une carte imprimée de charge et, sur le berceau de charge, on trouve en plus un couvercle de sécurité mobile. Lorsque le berceau de batterie n'est pas utilisé, le couvercle de sécurité peut recouvrir ces pièces conductrices électriquement, et lorsque le berceau de batterie est connecté au berceau de charge, le couvercle de sécurité peut être retiré et ne recouvre pas ces pièces conductrices électriquement. Dans ce berceau de batterie, on trouve plusieurs compartiments de réception conducteurs électriquement qui entrent en contact avec ces pièces conductrices électriquement.
PCT/CN2008/072674 2007-10-31 2008-10-14 Ensemble de charge d'un outil de puissance portatif Ceased WO2009065324A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNU2007201958757U CN201112528Y (zh) 2007-10-31 2007-10-31 手持式电动工具的充电装置
CN200720195875.7 2007-10-31

Publications (1)

Publication Number Publication Date
WO2009065324A1 true WO2009065324A1 (fr) 2009-05-28

Family

ID=39964278

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2008/072674 Ceased WO2009065324A1 (fr) 2007-10-31 2008-10-14 Ensemble de charge d'un outil de puissance portatif

Country Status (2)

Country Link
CN (1) CN201112528Y (fr)
WO (1) WO2009065324A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201112528Y (zh) * 2007-10-31 2008-09-10 赖国荣 手持式电动工具的充电装置
DE102008054639A1 (de) * 2008-12-15 2010-06-17 Robert Bosch Gmbh Energieübertragungsvorrichtung
CN108110271B (zh) * 2017-12-20 2020-01-10 苏州英途康医疗科技有限公司 电池及电动工具
CN111864848B (zh) * 2020-07-30 2021-07-13 龙铁纵横（北京）轨道交通科技股份有限公司 一种电动工具的充电装置
TWI751739B (zh) * 2020-10-15 2022-01-01 和碩聯合科技股份有限公司 充電座

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1101762A (zh) * 1993-04-09 1995-04-19 Pm开发公司 特别用于充电接口的电源连接器
CN2588556Y (zh) * 2002-12-02 2003-11-26 台达电子工业股份有限公司 充电装置的壳体结构
US20060121953A1 (en) * 2004-12-06 2006-06-08 Samsung Electronics Co., Ltd. Charging cradle for seating portable device both horizontally and vertically
CN101055932A (zh) * 2006-04-11 2007-10-17 茂新有限公司 通用电池充电器和/或电源适配器
CN201112528Y (zh) * 2007-10-31 2008-09-10 赖国荣 手持式电动工具的充电装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1101762A (zh) * 1993-04-09 1995-04-19 Pm开发公司 特别用于充电接口的电源连接器
CN2588556Y (zh) * 2002-12-02 2003-11-26 台达电子工业股份有限公司 充电装置的壳体结构
US20060121953A1 (en) * 2004-12-06 2006-06-08 Samsung Electronics Co., Ltd. Charging cradle for seating portable device both horizontally and vertically
CN101055932A (zh) * 2006-04-11 2007-10-17 茂新有限公司 通用电池充电器和/或电源适配器
CN201112528Y (zh) * 2007-10-31 2008-09-10 赖国荣 手持式电动工具的充电装置

Also Published As

Publication number Publication date
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