WO2007035103A1 - Dispositif de batterie de secours rechargeable - Google Patents

Dispositif de batterie de secours rechargeable Download PDF

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Publication number
WO2007035103A1
WO2007035103A1 PCT/NO2005/000344 NO2005000344W WO2007035103A1 WO 2007035103 A1 WO2007035103 A1 WO 2007035103A1 NO 2005000344 W NO2005000344 W NO 2005000344W WO 2007035103 A1 WO2007035103 A1 WO 2007035103A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
rechargeable
control circuit
contact
electronic device
Prior art date
Application number
PCT/NO2005/000344
Other languages
English (en)
Inventor
Knut Snorre Sandnes
Original Assignee
Jumpit Manufacturing As
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 Jumpit Manufacturing As filed Critical Jumpit Manufacturing As
Priority to PCT/NO2005/000344 priority Critical patent/WO2007035103A1/fr
Publication of WO2007035103A1 publication Critical patent/WO2007035103A1/fr

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1632—External expansion units, e.g. docking stations
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • 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
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/342—The other DC source being a battery actively interacting with the first one, i.e. battery to battery charging
    • 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
    • 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 present invention relates to a rechargeable back-up battery device for an electronic device such as a cellular telephone, a Personal Digital Assistant (PDA), portable PC, camera or any other electronic device comprising a contact connected to a rechargeable battery via a control circuit.
  • an electronic device such as a cellular telephone, a Personal Digital Assistant (PDA), portable PC, camera or any other electronic device comprising a contact connected to a rechargeable battery via a control circuit.
  • PDA Personal Digital Assistant
  • a back-up battery device suitable for recharging the batteries of electronic devices are disclosed in US 6,709,784, which hereby is incorporated by reference in its entirety.
  • the object is to avoid this by providing a universal solution, which employs the electronic device's own control, thus avoiding the need for any extra equipment apart from only the back-up battery, which can then be purchased anywhere and employed immediately.
  • a solution is disclosed where different electrical devices such as a torch or the like can be connected to a cellular telephone battery through suitable connection points. In this case it will also be possible to connect the cellular telephone battery to an additional battery in parallel connection.
  • the disadvantage is that the connected battery has to be specially adapted to the cellular telephone's battery with regard to voltage level, etc., which in turn makes the solution inflexible.
  • an electronic control circuit for the connection is preferable.
  • Another type of battery use system for portable electric equipment comprising a switch control circuit is shown in EP 0 657 982.
  • cellular phones comprises an inboard control circuit between the charger contact and the rechargeable battery.
  • the inboard control circuit controls the voltage level and/or current level to protect the battery from damaging overvoltages or other voltage/current levels that may deteriorate its operating life.
  • Wireless Week the December 2000 issue, it was described an instant power charger for a cell phone which can be recharged by means of a battery charger. No back-up battery is mentioned or shown and no control circuit is described.
  • the same product is mentioned in article by Yardena Arar in PCWorld, dated November 15. 2000.
  • the article describes a battery which draws oxygen from the atmosphere to generate electrical power.
  • the battery is available for mobile phones and can be recharged by means of a recharging kit.
  • a rechargeable portable cellular charger comprising a battery and a cable for connecting the battery to the cell phone.
  • a battery use system for a battery-driven portable electronic device comprising a first chargeable battery and a second battery connected in parallel to the first battery through a switch.
  • the switch is closed to charge the first battery by the second battery when the output voltage from the first battery becomes smaller than a predetermined value, i.e. a voltage drop occurs.
  • a battery charger for a mobile apparatus comprising a battery charged from a vehicle battery.
  • a timer is supplied by the voltage of the outside battery via a diode and sets a charging time.
  • the timer is arranged to be powered from the battery via a transistor during such temporal voltage reductions.
  • a portable battery charger for rechargeable battery powered appliances comprising a housing, batteries that is inserted into the housing, connection means for connecting the poles of the batteries to the poles of the direct current power system of the battery powered appliance. There is no circuitry to control or adjust the output voltage to the battery powered appliance.
  • EP 0 907 234 A2 it is shown a battery charging system where a charging battery comprising a number of n+ m cells is charging a working battery comprising a number of n cells. It shall be noted that the charging battery is directly connected to the working battery.
  • a rechargeable battery pack suitable for cellular phones or other electronic devices, comprising at least one rechargeable cell, at least one primary cell (typical a conventional battery of size AAA) and a rechargeable cell recharger including a voltage converter.
  • the voltage converter receives an output voltage from the primary cell and converts it to a second voltage suitable for recharging the rechargeable cell.
  • a disadvantage here is that the voltage converter is rather complex and expensive. Further, the primary cell must be replaced when emptied, which may cause unnecessary consumption of such batteries. Of course there exist rechargeable batteries of conventional sizes, but then yet another recharger is needed.
  • the rechargeable back-up battery device it is an object of the rechargeable back-up battery device according to the present invention to provide a solution which gives an electronic device extra battery capacity in a simple manner. It is a further object that the solution should be small, reasonably priced, and easy to use and designed in such a manner that a user can employ the back-up battery device intuitively.
  • the rechargeable backup battery device should give output voltage/current values adapted to the threshold values of the inboard control device of the electronic device.
  • the rechargeable back-up battery device can be recharged using the charger of the electronic device. It is an object of the invention that such a charger can recharge both the rechargeable back-up battery device and the rechargeable battery of the electronic device at the same time.
  • a charger can recharge both the rechargeable back-up battery device and the rechargeable battery of the electronic device at the same time.
  • another type of charger type can be used, such as an USB-cable connected to a computer, a cable connected to the cigarette lighter socket in a car etc.
  • Fig. 1 is a perspective view of a cellular telephone with a rechargeable back-up battery device according to the invention
  • Fig. 2 is an illustration of the different components of the embodiment in fig. 1.
  • Fig. 1 illustrates a cellular telephone 1 with a rechargeable battery, which cellular telephone 1 comprises a contact 2 for connecting to a battery charger.
  • An inboard control circuit (not shown) is connected between the contact 2 and the rechargeable battery.
  • the main purpose of the inboard control circuit of the cellular telephone 1 is to protect the rechargeable battery and to provide a desired voltage and/or current to the rechargeable battery. Therefore, the inboard control circuit controls whether the voltage and/or current supplied by the charger is within certain acceptable boundaries.
  • the inbound control circuit defines a lower threshold value and an upper threshold value for the input voltage of the contact 2. If the output voltage of the charger is below the lower threshold value or above the upper threshold value, no charging of the battery will occur.
  • Fig. 1 further illustrates a rechargeable back-up battery device 3 according to the invention.
  • the rechargeable back-up battery device 3 comprises a plug 4 adapted to be connected to the contact 2 of the cellular telephone 1. Further, the rechargeable back-up battery device 3 comprises a first contact 5 and preferably also a second contact 6, both contacts being adapted to be connected to a charger (not shown).
  • the first contact 5 is corresponding to the contact 2 of the cellular telephone 1. Consequently, the original charger belonging to the telephone 1 can be used also to charge the rechargeable back-up battery device 3.
  • the second contact 6 is adapted to a second type of charger or power source, for example an USB-cable (USB: Universal Serial Bus) connected to a computer (a 5.5 V DC voltage). Alternatively the second contact 6 is adapted to a cigarette lighter socket of a car (a 12 V DC voltage).
  • the adapter/wire may also comprise a transformer to transform the input voltage of the device 3 to the desired voltage level.
  • the rechargeable back-up battery device 3 will now be described with reference to fig. 2, where it is shown that the rechargeable back-up battery device 3 comprises a rechargeable battery 8 and a control circuit 7.
  • the rechargeable battery 8 comprises one or more rechargeable battery cells and is connected between the plug 4 and the control device 7.
  • the rechargeable battery 8 can be of any rechargeable type which is currently available. However, it will be advantageous to employ one or more small battery cells in order that the total back- up battery should be small in size and of the desired shape.
  • the batteries or cells can be connected in parallel or in serial in order to obtain increased capacity or increased voltage respectively between the terminals of the rechargeable battery 8.
  • the control circuit 7 is further connected to the first connector 5 and the second connector 6.
  • the control circuit 7 is preferably also connected to a LED indicator 9 (LED: Light Emitting Diode).
  • LED Light Emitting Diode
  • a current sensing element of the control circuit 7 is sensing a current, which indicates a charging operation.
  • the LED indicator 9 is switched ON to indicate the charging operation.
  • a current sensing element senses a current and the LED indicator is switched ON again. In the same way, when the voltage of the rechargeable battery 8 is approximately equal to the charger voltage, the rechargeable battery 8 is fully recharged. The current sensing element will sense a reduction or drop of the current and the LED indicator is switched OFF to indicate a non- charging operation.
  • the device 3 preferably also comprises a switch (not shown) which needs to be activated by the user too make the device 3 start recharging the cellular phone battery.
  • the control circuit 7 is always controlling the output voltage and/or current delivered to the cellular phone.
  • the control circuit preferably comprises a voltage booster or DC-DC converter, which increases/decreases the output voltage level of the rechargeable back-up battery device 3 when the output voltage level is lower/higher than the lower threshold voltage of the inboard control circuit of the cellular phone.
  • the rechargeable back-up battery device 3 preferably comprises a protective cover 10, to protect the plug 4 for example from being bent if it is kept in a pocket, or to protect it from dust and humidity.
  • the cover 10 can be removable fastened to the rechargeable back-up battery device 3 by means of a fastening device (not shown).
  • the protective cover 10 is transparent, so the user can see that the plug 4 fits his/hers cellular telephone.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Human Computer Interaction (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

La présente invention concerne un dispositif de batterie de secours rechargeable destiné à un dispositif électronique (1) à batterie rechargeable. Le dispositif électronique (1) comporte un contact (2) qui le raccorde à un chargeur de batterie et comprend un circuit de commande interne entre le contact (2) et la batterie rechargeable. Le dispositif de batterie de secours rechargeable (3) comprend : une ou plusieurs cellules de batterie rechargeable (8), reliées électriquement à une fiche (4), ladite fiche (4) étant conçue pour être connectée au contact (2) du dispositif électronique (1), un contact (5) de raccord au chargeur de batterie, et un circuit de commande (7) placé entre le contact (5) et la ou les cellules de batterie rechargeable (8), ledit circuit (7) commandant une tension de sortie et/ou un courant de la fiche (4) afin que la valeur de la tension de sortie et/ou du courant soit supérieure ou égale à une valeur limite inférieure et inférieure ou égale à une valeur limite supérieure du circuit de commande interne du dispositif électronique (1).
PCT/NO2005/000344 2005-09-19 2005-09-19 Dispositif de batterie de secours rechargeable WO2007035103A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/NO2005/000344 WO2007035103A1 (fr) 2005-09-19 2005-09-19 Dispositif de batterie de secours rechargeable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/NO2005/000344 WO2007035103A1 (fr) 2005-09-19 2005-09-19 Dispositif de batterie de secours rechargeable

Publications (1)

Publication Number Publication Date
WO2007035103A1 true WO2007035103A1 (fr) 2007-03-29

Family

ID=36072099

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NO2005/000344 WO2007035103A1 (fr) 2005-09-19 2005-09-19 Dispositif de batterie de secours rechargeable

Country Status (1)

Country Link
WO (1) WO2007035103A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8026693B2 (en) 2007-10-18 2011-09-27 Wi.U, Llc Induction charger for portable battery-powered devices
WO2014067627A1 (fr) * 2012-11-02 2014-05-08 Audi Ag Procédé permettant de faire fonctionner un appareil électronique, dispositif de charge destiné à charger une batterie d'un appareil électronique et véhicule automobile
US20150207346A1 (en) * 2014-01-20 2015-07-23 Nokia Corporation Additional battery pack

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6043626A (en) * 1996-10-29 2000-03-28 Ericsson Inc. Auxiliary battery holder with multicharger functionality
EP1126377A2 (fr) * 2000-01-03 2001-08-22 Texas Instruments Incorporated Support-chargeur pour un appareil mobile et système
EP1523081A2 (fr) * 2003-10-10 2005-04-13 R.F. Tech. Co., Ltd. Chargeur portable pour téléphones mobiles

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6043626A (en) * 1996-10-29 2000-03-28 Ericsson Inc. Auxiliary battery holder with multicharger functionality
EP1126377A2 (fr) * 2000-01-03 2001-08-22 Texas Instruments Incorporated Support-chargeur pour un appareil mobile et système
EP1523081A2 (fr) * 2003-10-10 2005-04-13 R.F. Tech. Co., Ltd. Chargeur portable pour téléphones mobiles

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8026693B2 (en) 2007-10-18 2011-09-27 Wi.U, Llc Induction charger for portable battery-powered devices
WO2014067627A1 (fr) * 2012-11-02 2014-05-08 Audi Ag Procédé permettant de faire fonctionner un appareil électronique, dispositif de charge destiné à charger une batterie d'un appareil électronique et véhicule automobile
US9490643B2 (en) 2012-11-02 2016-11-08 Audi Ag Method for operating an electronic appliance, charging apparatus for charging a battery for an electronic appliance, and motor vehicle
US20150207346A1 (en) * 2014-01-20 2015-07-23 Nokia Corporation Additional battery pack

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