EP3195416B1 - Appareil permettant de se connecter de manière sélective à différentes sources d'énergies électriques - Google Patents

Appareil permettant de se connecter de manière sélective à différentes sources d'énergies électriques Download PDF

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Publication number
EP3195416B1
EP3195416B1 EP14899680.4A EP14899680A EP3195416B1 EP 3195416 B1 EP3195416 B1 EP 3195416B1 EP 14899680 A EP14899680 A EP 14899680A EP 3195416 B1 EP3195416 B1 EP 3195416B1
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EP
European Patent Office
Prior art keywords
cover
connector
open position
opening
movement
Prior art date
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Active
Application number
EP14899680.4A
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German (de)
English (en)
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EP3195416A1 (fr
EP3195416A4 (fr
Inventor
Guohong YIN
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.)
Techtronic Industries Co Ltd
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Techtronic Industries Co Ltd
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Publication date
Application filed by Techtronic Industries Co Ltd filed Critical Techtronic Industries Co Ltd
Publication of EP3195416A1 publication Critical patent/EP3195416A1/fr
Publication of EP3195416A4 publication Critical patent/EP3195416A4/fr
Application granted granted Critical
Publication of EP3195416B1 publication Critical patent/EP3195416B1/fr
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R27/00—Coupling parts adapted for co-operation with two or more dissimilar counterparts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/44—Means for preventing access to live contacts
    • H01R13/447—Shutter or cover plate

Definitions

  • This invention relates to electric devices, and in particular electric devices capable of running on electric power received from different sources (e.g. batteries or AC electricity).
  • sources e.g. batteries or AC electricity.
  • Portable electric devices have been developed for convenient working of users so that the user can carry the electric device to anywhere they wish to perform desired functions.
  • Commonly seen portable electric devices include but not limited to power tools that outputs mechanical powers driven by electric motors in the power tools, audio / visual entertainment devices, illumination devices, air compressors, etc.
  • a common design often found in the portable electric devices are that they have capabilities of receiving different kinds of power inputs.
  • the electric device is usually equipped with a battery that is optionally detachable from the electric device for recharging on a standalone charger. Once the battery is fully recharged, it can be installed onto the electric device to supply electric power to the latter for operations.
  • some electric devices while they are designed to work with batteries, are also configured to have a direct electric connector for receiving AC power or AC-DC converted power from a fixed source. This is particularly preferable when the operation of the electric device is limited in a small area (e.g. household) where there is a stable power supply from mains electricity.
  • an AC-DC converter external or internal to the electric device can be configured to provide necessary DC power to operate the electric device.
  • the electric device is capable of running on AC power directly, there is no need for any conversion means and the electric device may be directly connected by an AC plug to a wall socket.
  • US-A-5530334 describes an electrical appliance, with a housing structure comprised of a first housing portion and a second housing portion for accommodating at least one rechargeable storage cell and/or a storage cell charging circuitry, and with an appliance plug for transmitting a line voltage and for coupling and decoupling the two portions of the housing.
  • JP-A-2012001889 describes a logic circuit including at least one variable resistor having a resistance level that can be changed by at least one of voltage and current of an input signal and storing the resistor level.
  • the logic circuit latches the multi-level data corresponding to the resistance level stored in the at least one variable resistor.
  • CN-U-203631759 describes a data line comprising a first plug, a second plug and a cable for connecting the first plug and the second plug.
  • the first plug comprises a first body and a first plug connector held in the first body.
  • the second plug comprises a second body and a second plug connector and a third plug connector which are held in the second body.
  • the second plug further comprises a protective cover. During utilization, the protective cover can be used to shield and protect one plug connector while exposing the plug connector needs to be used.
  • the present invention in one aspect, is an apparatus for selectively connecting to different sources of electric powers, which includes a first connector adapted to connected to a first source of electric power; a first cover configured to shield the first connector from coupling to the first source of electric power; a second connector adapted to connect to a second source of electric power; and a second cover configured to shield the second connector from coupling to the second source of electric power.
  • the first cover and the second cover are mechanically coupled such that movement of the first cover results in movement of the second cover and vice versa.
  • the first cover is adapted to move between at least a first open position and a first close position.
  • the first cover shields the first connector when the first cover is at the first close position.
  • the first connector is exposed for connecting to the first source of electric power when the first cover is at the first open position.
  • the second cover is adapted to move between at least a second open position and a second close position.
  • the second cover shields the second connector when the second cover is at the second close position.
  • the second connector is exposed for connecting to the second source of electric power when the second cover is at the second open position.
  • the second cover When the first cover is moved from the first close position to the first open position, the second cover is moved from the second open position to the second close position.
  • the first cover is moved from the first open position to the first close position.
  • the apparatus may further include a housing, a first opening formed on the housing, the first connector positioned in a first cavity which is in communication with the first opening; and a second opening formed on the housing, the second connector positioned in a second cavity which is in communication with the second opening.
  • the first cover is adapted to move between the first open position and the first close position to open or close the first opening.
  • the second cover is adapted to move between the second open position and the second close position to open or close the second opening.
  • the first opening defines a curved face
  • the first cover includes a first portion being in the shape of a curved plate. The first portion is adapted to revolve along the curved face.
  • the first cover further contains a second portion connected to the first portion; the second portion adapted to rotate around a central axis when the first portion revolves along the curved face.
  • the second portion is engaged with a transit member, and the transit member is connected to the second shield member. Rotation of the second member urges the transit member to move along a straight line path, such that the second cover moves between the second open position and the second close position.
  • the transit member is arranged along a tangent line of the second portion.
  • the transit member is engaged with the second member by teeth mesh.
  • the second opening defines a planar face
  • the second cover is in the shape of a flat plate and adapted to move along the straight line path.
  • movement of the first cover is a non-linear movement and the movement of the second cover is a linear movement.
  • the movement of the first cover is a revolving movement around a central axis.
  • the first connector may be an AC socket and the second connector may be a DC socket.
  • an electric device includes at least a first connector and a second connector, and the electric device comprises an apparatus mentioned above.
  • the most apparent advantage is that the apparatus for selectively connecting to different sources of electric powers as described above allows the user to install or connect only one power source to the electric device at a time.
  • the mechanically linked covers automatically prevent insertion of a second connector / battery when a first connector / battery has already been installed.
  • such foolproof design will eliminate any possible damage or harm that could occurr to the electric device by the misoperation of the user. Therefore, the desired power supply connection mode will be always ensured which helps prolong the product life cycle and increase the product's reliability.
  • Another advantage of the present invention is that by using the apparatus for selectively connecting to different sources of electric powers, there is less chance that external environment will cause damage to the connectors on the electric device. This is because when a first connector / battery is installed on the electric device the second, unused connector will automatically be covered by the covers as described above and external object such as dust or air, or humidity contained in the air, is prevented from contacting the second connector. The durability of the connector is therefore prolonged since it is kept away from deteriorate reactions like rust, impact, or oxidation.
  • the first embodiment of the present invention is a collapsible worklight which has genera structure similar to the one described in Applicant's Chinese patent No. ZL201320214237.0.
  • the worklight includes a lower panel 24 on which a plurality of LEDs (not shown) are arranged and distributed evenly across the surface of the lower panel 24.
  • the upper panel 22 and the lower panel 24 are connected together by a hinge mechanism 20, such that the upper panel 22 may rotate around the hinge 20 and with respect to the lower panel 24 to achieve desired illumination effect in different orientation and angle.
  • the lowered end of the lower panel 24 is fixedly connected to a base part 21 of the worklight.
  • the base part 21 accommodates components necessary for the operation of the work light, such as its control circuit, and power supply circuit.
  • a button 26 arranged in the base part 21 facing upward, and the button 26 is used by the user to turn on / off the worklight.
  • an AC connector exposed for connection to an external power cord (not shown).
  • the AC connector shown here is a category C type plug 30 contains oblique flat blades.
  • the AC plug 30 is adapted to connect to a power cord (not shown) which in turn may connect to an AC socket for example a wall socket in the house. Skilled persons in the art however would realize that other types of AC plug may also be configured for electric devices as such.
  • Fig. 2 shows external views of the connectors equipped on the worklight.
  • the AC connector 30 is positioned in a first cavity which is in communication with the first opening 32.
  • the first cavity and the AC connector 30 is totally visible and accessible by a user.
  • the first cover is rotatably connected to the housing of the base part 21.
  • a battery receptacle (not shown) is positioned in a second cavity which is in communication with the second opening 36.
  • the second opening 36 defines a flat face. In the status shown in Fig. 2 the second opening 36 is covered by a second cover 38 and therefore the battery receptacle therein is not visible and accessible from the outside.
  • the AC plug 30 is also referred as a first connector
  • the battery receptacle (not shown in Fig. 2 ) is also referred as a second connector.
  • the corresponding cavity in which the first and second connectors are placed, the openings between the cavities and the outside, and covers for the openings, are respectively referred as first and second openings, first and second cavities, and first and second covers.
  • the first cover and second cover essentially "shield" the AC plug and the battery receptacle from being accessed and connected to external power sources.
  • the AC power cord (not shown) adapted to connect to the AC plug 30 and the electric socket to which the other end of the power cord is connected may be called in general a first source of electric power.
  • the battery pack which is configured to be installed to the worklight is also called a second source of electric power.
  • first and second are just for easy reference only, and they are not intended to confine the type of the connectors in the electric device or their positions.
  • the housing of the base part 21 is consisted of a first half housing 23 and a second half housing 25.
  • a AC power component 48 on which the AC plug 30 is configured there are accommodated a battery receptacle 51 including contact pins 50, the first cover, and the second cover 38.
  • the first half housing 23 and a second half housing 25 each also contains corresponding apertures or recess parts, so that the above-mentioned first and second cavities, and first and second openings are formed once the first half housing 23 and a second half housing 25 are assembled.
  • the battery receptacle 51 as shown is in the shape of a substantially cuboid with an inner space which is also cuboid.
  • the inner space of the battery receptacle 51 is essentially the second cavity mentioned above.
  • the battery receptacle 51 is formed as such to allow an inserting part of a detachable battery pack (not shown) to be inserted into the battery receptacle 51, and contact pins of the battery pack (not shown) are in electrical contact with the contact pins 50 of the battery receptacle 51.
  • a detachable battery pack not shown
  • contact pins of the battery pack are in electrical contact with the contact pins 50 of the battery receptacle 51.
  • any suitable battery receptacle design for matching with different types of battery packs may be used together with the apparatus for selectively connecting to different sources of electric powers.
  • the first cover contains a first portion 29 which is in the shape of a curved plate.
  • the curved plate shape of the first portion 29 is best illustrated in Fig. 7 .
  • a rotation end 34 of the first cover stretches out from a top edge of the first cover 29, and defines a central axis around which the first cover may rotate.
  • the first cover is rotatably connected to the housing by the rotation end 34. In other words, the first cover is capable of rotating around the hinge connected to the rotation end 34.
  • the first opening 32 defines a generally curved face, i.e. edges of the first opening 32 are not located in a single plane.
  • the first cover is adapted to revolve along the curved face around the central axis.
  • a second portion 40 which extends substantially along the same direction as the rotation end 34.
  • the second portion 40 is in a circular shape, and along a portion of the perimeter of the second portion 40 teeth 42 are formed.
  • the rotation end 34 and the second portion 40 are arranged essentially coaxial and they can rotate around the central axis mentioned above.
  • the inner surface of the first portion is not flat, but rather is formed with a semi-cylindrical shape.
  • the first half housing 23 in its internal surface does not contain any round shape cavity walls as shown in Fig. 2 . This is because when the first cover is in its open position (which will be described in details later) the internal surface of the first portion 29 will become part of walls forming the first cavity.
  • the second cover 38 is in the general shape of a flat plate. As shown in Fig. 3 the second cover 38 is adapted to cover substantially the inlet of the battery receptacle 51 and the second opening of the base part of the worklight. At one edge of the second cover 38 there is a transit part on which teeth 46 are formed. The transit part extends along a same direction as the moving direction of the second cover 38. The second portion 40 of the first cover mentioned above is engaged with the transit member. The second cover 38 is movable along a straight line path closer or further away from the second portion 40. Near the bottom of the first half housing 23 there is configured a slot 52, and near the bottom of the second half housing 25 there is configured a similar slot (not shown). The second cover 38 is able to move along a straight-line path in the slots.
  • the transit member which is connected to the second cover 38 is in teeth mesh with the second portion 40 of the first cover by the teeth 42 and 46. In this way the first cover and the second cover are mechanically coupled.
  • the transit member is arranged along a tangent line of the second portion 40.
  • Figs. 7 and 8 how the apparatus for selectively connecting to different sources of electric powers according to the present invention may be switched from receiving a AC power cord from receiving a battery pack.
  • Fig. 7 shows the status where no AC power cord is connected to the AC plug in the worklight, but a battery pack 54 is installed at the bottom of the worklight and secured by a securing mechanism 57 to prevent it from accidentally remove from the base part of the worklight.
  • the first portion 29 of the first cover closes the first opening in Fig. 7 , and prevents or shields the AC plug inside the first opening from coupling to external power cord.
  • the second cover 38 in this status is retracted back, i.e. closer to the first cover and the second cover 38 is not covering the second opening.
  • the first cover is capable of revolving around a central axis defined by its rotation end (not shown). If the user would like to use the worklight in the AC mode instead of DC (battery) mode, he first unlocks the securing mechanism 57 and removes the battery pack 54 from the bottom of the worklight. Then, the user opens the first cover by pushing on the handle 28 clockwise. As the first cover is capable of revolving it will retracts back into the housing of the base part, and eventually arrive at the position as shown in Fig. 8 and Fig 2 . During movement of the first cover, the second cover is also driven to move as it is mechanically coupled to the first cover.
  • the second cover 38 When the first cover revolves from a close position to an open position the second cover 38 therefore moves from a close position to an open position.
  • the open and close positions of the first cover are also referred as first open and close positions
  • the open and close positions of the second cover are also referred as second open and close positions.
  • the movement of the second cover 38 then moves to the position as shown in Fig. 8 eventually, and closes the second opening, thus preventing or shield a battery pack from being inserted into the second opening and contacted with the battery receptacle.
  • the user may plug in the AC power cord 56 into the first opening and electrically connects to the AC power component 48.
  • the user wants to switch the worklight operation from running on AC back to battery, he just needs to do what are exactly the reversed procedures as those described above.
  • the user firstly pulls out the AC power cord 56 in Fig. 8 .
  • the user closes the first cover by pushing on the handle 28 counter-clockwise.
  • the first cover is capable of revolving it will move out of the housing of the base part, and eventually arrive at the position as shown in Fig. 7 .
  • the second cover is also driven to move as it is mechanically coupled to the first cover.
  • the movement of the second cover 38 then moves to the position as shown in Fig. 7 eventually, and opens the second opening and thus exposes the battery receptacle for connecting the battery pack. At last, the user simply inserts the battery pack 54 and secures it with the worklight.
  • the above embodiments of the present invention describe a collapsible LED worklight
  • other types of electric devices are likewise possible to adopt the apparatus for selectively connecting to different sources of electric powers.
  • This includes but not limited to various electric power tools, outdoor gardening tools, other illumination devices, radios and video replay devices, personal information terminals, and so on.
  • the apparatus described in the present invention is suitable for use in any electric device which is capable of receiving two or more different power supplies from different sources.
  • the electric device described above is equipped with a battery receptacle and an AC plug for selectively connecting to one of the AC or DC power.
  • the connector types applicable in the apparatus are not limited to such, but any other forms of connectors may be used in accordance with the apparatus for selectively connecting to different sources of electric powers. Examples include but not limited to two battery receptacles on the same electric device, two AC plugs, or other adapters such as battery slots for dry batteries.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Claims (12)

  1. Appareil permettant de se connecter de manière sélective à différentes sources d'alimentation électrique, comprenant:
    a) un premier connecteur (30) conçu pour se connecter à une première source d'alimentation électrique;
    b) un premier couvercle conçu pour empêcher ledit premier connecteur de se connecter à ladite première source d'alimentation électrique;
    c) un second connecteur conçu pour se connecter à une seconde source d'alimentation électrique; et
    d) un second couvercle (38) conçu pour empêcher ledit second connecteur de de se connecter à ladite seconde source d'alimentation électrique;
    e) un élément de transition conçu pour raccorder de manière mécanique lesdits premier couvercle et second couvercle;
    le premier couvercle et le second couvercle étant distincts; et
    le mouvement dudit premier couvercle résultant en le mouvement dudit second couvercle via l'élément de transition et vice versa;
    dans lequel ledit premier couvercle est conçu pour se déplacer entre au moins une première position ouverte et une première position fermée; ledit premier couvercle protégeant ledit premier connecteur (30) lorsque ledit premier couvercle se trouve à ladite première position fermée; ledit premier connecteur étant exposé pour la connexion à ladite première source d'alimentation électrique lorsque ledit premier couvercle se situe à ladite première position ouverte; et dans lequel ledit second couvercle (38) est conçu pour se déplacer entre au moins une seconde position ouverte et une seconde position fermée; ledit second couvercle protégeant ledit second connecteur lorsque ledit second couvercle se situe à ladite seconde position fermée; ledit second connecteur étant exposé pour la connexion à ladite seconde source d'alimentation électrique lorsque ledit second couvercle se situe à ladite seconde position ouverte; et
    dans lequel, lorsque ledit premier couvercle est déplacé depuis ladite première position fermée à ladite première position ouverte, ledit second couvercle (38) étant déplacé depuis ladite seconde position ouverte à ladite seconde position fermée; lorsque ledit second couvercle est déplacé depuis ladite seconde position fermée vers ladite seconde position ouverte, ledit premier couvercle étant déplacé depuis ladite première position ouverte vers ladite première position fermée.
  2. Appareil selon la revendication 1, comprenant en outre:
    a) un logement;
    b) une première ouverture (32) formée sur ledit logement, ledit premier connecteur (30) étant situé dans une première cavité qui est en communication avec ladite première ouverture; et
    c) une seconde ouverture (36) formée sur ledit logement, ledit second connecteur étant situé dans une seconde cavité qui est en communication avec ladite seconde ouverture;
    dans lequel ledit premier couvercle est conçu pour se déplacer entre ladite première position ouverte et ladite première position fermée pour ouvrir ou fermer ladite première ouverture; ledit second couvercle (38) est conçu pour se déplacer entre ladite seconde position ouverte et ladite seconde position fermée pour ouvrir ou fermer ladite seconde ouverture.
  3. Appareil selon la revendication 2, dans lequel ladite première ouverture (32) définit une face incurvée; ledit premier couvercle comprenant une première partie (29) ayant la forme d'une plaque incurvée, ladite première partie étant conçue pour tourner le long de ladite face incurvée.
  4. Appareil selon la revendication 3, dans lequel ledit premier couvercle comprend en outre une seconde partie (40) connectée à ladite première partie; ladite seconde partie étant conçue pour tourner autour d'un axe central lorsque ladite première partie tourne le long de ladite face incurvée.
  5. Appareil selon la revendication 4, dans lequel ladite seconde partie (40) étant engagée avec ledit élément de transition, ledit élément de transition étant connecté audit second couvercle (38); dans lequel une rotation de ladite seconde partie pousse ledit élément de transition à se déplacer le long d'un trajet en ligne droite, de manière que ledit second couvercle se déplace entre ladite seconde position ouverte et ladite seconde position fermée.
  6. Appareil selon la revendication 5, dans lequel ledit élément de transition est disposé le long d'une ligne tangentielle à ladite seconde partie (40).
  7. Appareil selon la revendication 1, dans lequel ledit élément de transition est engagé avec ledit second couvercle (38) par une crémaillère (42, 46).
  8. Appareil selon la revendication 5, dans lequel ladite seconde ouverture (36) définit une face plane; ledit second couvercle (38) ayant la forme d'une plaque plate et étant conçu pour se déplacer le long dudit trajet en ligne droite.
  9. Appareil selon la revendication 1, dans lequel ledit mouvement dudit premier couvercle est un mouvement non linéaire et ledit mouvement dudit second couvercle (38) étant un mouvement linéaire.
  10. Appareil selon la revendication 9, dans lequel ledit mouvement dudit premier couvercle étant un mouvement rotatif autour d'un axe central.
  11. Appareil selon l'une quelconque des revendications précédentes, dans lequel ledit premier connecteur (30) est une prise d'alimentation AC et ledit second connecteur est une prise d'alimentation DC.
  12. Dispositif électrique comprenant au moins un premier connecteur (30) et un second connecteur, caractérisé en ce que ledit dispositif électrique comprend un appareil selon l'une quelconque des revendications 1 à 11.
EP14899680.4A 2014-08-15 2014-08-15 Appareil permettant de se connecter de manière sélective à différentes sources d'énergies électriques Active EP3195416B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2014/084539 WO2016023233A1 (fr) 2014-08-15 2014-08-15 Appareil permettant de se connecter de manière sélective à différentes sources d'énergies électriques

Publications (3)

Publication Number Publication Date
EP3195416A1 EP3195416A1 (fr) 2017-07-26
EP3195416A4 EP3195416A4 (fr) 2018-04-11
EP3195416B1 true EP3195416B1 (fr) 2020-11-18

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EP14899680.4A Active EP3195416B1 (fr) 2014-08-15 2014-08-15 Appareil permettant de se connecter de manière sélective à différentes sources d'énergies électriques

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EP (1) EP3195416B1 (fr)
CN (1) CN106575839B (fr)
AU (1) AU2014403726B2 (fr)
WO (1) WO2016023233A1 (fr)

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CN114361881B (zh) * 2021-12-17 2024-09-20 苏州三星电子电脑有限公司 接口模块

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GB454172A (en) * 1935-04-13 1936-09-25 Wm Sanders & Co Wednesbury Ltd Improvements in and relating to three pin plug-in electric switches
DE4309034C2 (de) * 1993-03-20 1996-07-18 Braun Ag Elektrogerät
JP3112226B2 (ja) * 1993-12-27 2000-11-27 矢崎総業株式会社 電気自動車用充電コネクタ
JP2004071400A (ja) * 2002-08-07 2004-03-04 Japan Aviation Electronics Industry Ltd シャッター付きコネクタ
CN101730411A (zh) * 2008-10-24 2010-06-09 深圳富泰宏精密工业有限公司 电子装置
JP5341027B2 (ja) * 2010-06-14 2013-11-13 日立建機株式会社 電動式建設機械
JP5626084B2 (ja) * 2011-04-12 2014-11-19 株式会社オートネットワーク技術研究所 充電コネクタ
JP5641354B2 (ja) * 2011-05-10 2014-12-17 株式会社オートネットワーク技術研究所 充電コネクタ
CN202872015U (zh) * 2012-09-14 2013-04-10 广迎工业股份有限公司 Usb公头连接器改良结构
US9088087B2 (en) * 2012-12-12 2015-07-21 Hydrofarm, Inc. Dual interchangeable electrical receptacle
CN203631759U (zh) * 2013-11-20 2014-06-04 富士康(昆山)电脑接插件有限公司 数据线
CN203757394U (zh) * 2014-01-28 2014-08-06 深圳市康铭盛实业有限公司 一种具有新型控制系统的led手提灯

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Publication number Publication date
AU2014403726B2 (en) 2018-11-08
EP3195416A1 (fr) 2017-07-26
EP3195416A4 (fr) 2018-04-11
AU2014403726A1 (en) 2017-03-09
WO2016023233A1 (fr) 2016-02-18
CN106575839A (zh) 2017-04-19
CN106575839B (zh) 2019-07-02

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