EP3072206A1 - Commande d'appareil de charge par accumulateur - Google Patents

Commande d'appareil de charge par accumulateur

Info

Publication number
EP3072206A1
EP3072206A1 EP14799463.6A EP14799463A EP3072206A1 EP 3072206 A1 EP3072206 A1 EP 3072206A1 EP 14799463 A EP14799463 A EP 14799463A EP 3072206 A1 EP3072206 A1 EP 3072206A1
Authority
EP
European Patent Office
Prior art keywords
charging
accumulator
charger
current
voltage
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.)
Withdrawn
Application number
EP14799463.6A
Other languages
German (de)
English (en)
Inventor
Klaus Hauser
Benedikt Beckert
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.)
Hilti AG
Original Assignee
Hilti AG
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 Hilti AG filed Critical Hilti AG
Priority to EP14799463.6A priority Critical patent/EP3072206A1/fr
Publication of EP3072206A1 publication Critical patent/EP3072206A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
    • H02J7/007192—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
    • H02J7/007194—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature of the battery
    • 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
    • H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
    • 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
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00034—Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
    • 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 method for controlling a charging process in a system including an accumulator and a charger.
  • a rechargeable battery To charge a rechargeable battery, it is connected to a charger so that the rechargeable battery can be supplied with electrical current or electrical voltage for storage in the rechargeable battery.
  • the supply of the current or the voltage from the charger to the accumulator with the aid of so-called characteristics which are based on tables in the charger, i. on a control unit in the charger, are stored.
  • the charger is capable of matching the appropriate values, i. Size, duration, etc., to supply for the current or the voltage to the connected battery.
  • Such a system consisting of accumulator and associated charger is disclosed by the German patent application DE 10 2010 041 510.
  • This prior art document shows an electrical energy storage system comprising a rechargeable battery and a recharger for recharging the rechargeable battery.
  • the accumulator comprises an information storage with Adviceladehe, which are assigned to different Aufladeart, and the charging device is adapted to control charging of the accumulator according to one of the charging modes in dependence on the associated Auflade at the information store.
  • a method for controlling a charging process in a system including a rechargeable battery and a charger.
  • a transmission of a control signal from the accumulator to the charger connectable to the accumulator is provided for adapting at least one charging parameter of the charger.
  • the charging parameter to be adapted can be, inter alia, the charging current or the charging voltage.
  • the adaptation of the at least one charging parameter takes place in accordance with at least one charging routine stored in the accumulator.
  • the loading routine essentially contains characteristics such as e.g. a stored in the accumulator current-voltage curve.
  • the accumulator is able to check the charging process and, if necessary, to change the charging current and / or the charging voltage accordingly in the event of deviations from the charging routine or from a characteristic curve. In this case, it is even possible that the accumulator completely interrupts the charging process for a certain deviation from the charging routine or from a characteristic curve.
  • the adaptation of the at least one charging parameter may be carried out as a function of at least one temperature value of the accumulator. Accordingly, at a low temperature of the accumulator, the value of the at least one charging parameter can be reduced. Thus, for example, a low charging current is applied to the accumulator when the temperature of the accumulator is correspondingly low.
  • the transmission of the control signal for adapting the at least one Charging parameters of the charger at regular intervals.
  • the setting of at least one charging parameter on the part of the accumulator for the efficient control of the charging process is carried out regularly and thus (if necessary) can be constantly adapted.
  • the adaptation of the at least one charging parameter of the charger is not carried out at regular time intervals, but at irregular intervals, ie due to situation-dependent necessities.
  • situation-dependent necessities may be, for example, terminating (ie, following a trend) or even sudden emergencies in the form of overheating or excessive cooling of the accumulator.
  • the length of the time intervals In order to be able to react to the influences of the temperature of the rechargeable battery in a charging process in accordance with the situation and in accordance with the situation, it is possible for the length of the time intervals to be dependent on at least one temperature value of the rechargeable battery. This makes it possible for the length of the time intervals in critical temperature ranges, i. at very low or very high temperatures, reduced or increased.
  • FIG. 1 shows a system containing an accumulator and a charger for the application of the inventive method
  • Fig. 2 is an illustration of a charging profile with the charging current in dependence on the accumulator temperature.
  • FIG. 1 shows a system 1 which contains an accumulator 10 and a charger 30.
  • the accumulator 10 contains for this purpose a housing 11, a control unit 12, a temperature sensor 13, a voltage sensor 14, a current sensor 15 and an interface 16 to the charger 30.
  • the control unit 12 of the accumulator 10 is positioned in the housing 1 1 of the accumulator 10 and in turn contains a microprocessor 17 and a memory unit 18.
  • a specific for the accumulator 10 charging routine is stored on the memory unit 18.
  • the loading routine contains characteristics such as e.g. a current-voltage characteristic.
  • the memory unit 18 also contains a characteristic field in which at least one temperature value of the accumulator 10 is added as a parameter to the current-voltage characteristic.
  • the microprocessor 17 together with the voltage sensor 14 and the current sensor 15 are used for processing or for monitoring the charging process.
  • the voltage sensor 14 is used in particular for monitoring the charging voltage sent by the charger 30.
  • the current sensor 15 is used in particular for monitoring the charging current sent by the charger 30.
  • the control unit 12 sends control signals to the charger 30 via the interface 16, which is designed as an electrical contact and represents a detachable connection between the accumulator 10 and the charger 30.
  • control signals By means of these control signals, instructions are transmitted to the charger 30 for the temperature-dependent adaptation of at least one charging parameter.
  • the charging parameter is, for example, the charging current or the charging voltage.
  • the temperature sensor 13 is positioned in the housing 1 1 of the accumulator 10 and measures the temperature of the accumulator 10.
  • the temperature sensor 13 is connected via a connecting line 19 to the control unit 12.
  • the temperature values transmitted to the control unit 12 are used to select the situation-appropriate charging routine.
  • the respective measured temperature value of the corresponding stored on the control unit 12 current-voltage characteristic is assigned, so as to select the appropriate temperature of the accumulator 10 charging current or the appropriate charging voltage for this purpose and to request from the charger 30.
  • the charger 30 includes a housing 31 in which a charge controller 32 with a current regulator 33 and a voltage regulator 34 are positioned.
  • the current regulator 33 serves to provide a charging current and the voltage regulator 34 serves to provide a charging voltage.
  • the voltage regulator 34 and also the current regulator 33 serve at a fixed current as a voltage or current limiter.
  • the housing 31 of the charger 30 further includes an interface 35 to the accumulator 10 and a power cable 36 having a first end 36a and a second end 36b.
  • the first end 36a of the power cord 36 is connected to the charge controller 32 through the housing 31 of the charger 30.
  • the second end 36b of the power cable 36 has a connection 37 for a mains power source, not shown.
  • the accumulator 10 is releasably connected to the charger 30 such that the interface 16 of the accumulator 10 is in communication with the interface 35 of the charger 30.
  • Information signals and charging parameters in the form of charging current and charging voltage between the accumulator 10 and the charger 30 are exchanged via this connection.
  • the accumulator 10 is designed for the application of the inventive method so that it primarily monitors the charging process independently, controls and regulates.
  • the charger 30 acts essentially only as a pure command receiver that outputs a charging current to the accumulator 10 according to the specifications of the accumulator 10 or applies a charging voltage to the accumulator 10.
  • the accumulator 10 is capable of equalizing the charge current to the respective temperature value, i. at a temperature of the accumulator 10 of -10 ° to 0 ° C, a charging current of 2A is applied. In a temperature range of 0 ° to + 10 ° C is the charging current 1, 5A. When the accumulator temperature is in a range between + 10 ° and + 45 ° C, the charging current is 3A.
  • the control unit 12 of the rechargeable battery 10 monitors the charging process with the charging routine stored and selected on the control unit 12 at regular time intervals.
  • the temperature values measured by the temperature sensor 13 are also used in order to select the suitable charging routine for the respectively measured temperature of the rechargeable battery 10.
  • the control unit 12 compares with respect to the currently measured accumulator temperature sent by the charger 30 charging current or sent by the charger 30 charging voltage with the corresponding belonging to the charging routine curves.
  • the control unit 12 regulates the charging process by the control unit 12 via the interface 16 to the charger 30 requests a modified charging current or a modified charging voltage.
  • the changed charging current or the changed charging voltage is then the charging current or the charging voltage which are correct according to the stored temperature-relevant characteristic curves.
  • the voltage regulator 34 and the current regulator 33 of the charger 30 serve as voltage and current limiters, respectively.
  • the charger 30 interprets the control signal sent from the accumulator 10 and then sends the respective charging voltage or charging current.
  • the charger 30 sends a corresponding measurement signal for checking to the accumulator 10 in order to warn the accumulator 10 at an early stage about a relatively high charging voltage or a relatively high charging current.
  • this sent from the charger 30 measurement signal of the accumulator 10 is able to detect errors in the request for a suitable charging voltage or a suitable charging current and correct if necessary. Such an error may be, for example, that a much too high charging current is required by the accumulator 10 or an atypical loss.
  • the accumulator 10 can measure a comparison value to the requested charging voltage or to the requested charging current and, with a corresponding deviation, effect a new adjustment or even a complete interruption of the charging process.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)

Abstract

L'invention concerne un procédé de commande d'un processus de charge dans un système contenant un accumulateur et un appareil de charge. Selon le procédé, l'accumulateur envoie un signal de commande à l'appareil de charge pouvant être connecté à l'accumulateur pour adapter au moins un paramètre de charge de l'appareil de charge.
EP14799463.6A 2013-11-18 2014-11-18 Commande d'appareil de charge par accumulateur Withdrawn EP3072206A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14799463.6A EP3072206A1 (fr) 2013-11-18 2014-11-18 Commande d'appareil de charge par accumulateur

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP20130193232 EP2874267A1 (fr) 2013-11-18 2013-11-18 Commande d'appareil de chargement par batterie
PCT/EP2014/074831 WO2015071479A1 (fr) 2013-11-18 2014-11-18 Commande d'appareil de charge par accumulateur
EP14799463.6A EP3072206A1 (fr) 2013-11-18 2014-11-18 Commande d'appareil de charge par accumulateur

Publications (1)

Publication Number Publication Date
EP3072206A1 true EP3072206A1 (fr) 2016-09-28

Family

ID=49641528

Family Applications (2)

Application Number Title Priority Date Filing Date
EP20130193232 Withdrawn EP2874267A1 (fr) 2013-11-18 2013-11-18 Commande d'appareil de chargement par batterie
EP14799463.6A Withdrawn EP3072206A1 (fr) 2013-11-18 2014-11-18 Commande d'appareil de charge par accumulateur

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP20130193232 Withdrawn EP2874267A1 (fr) 2013-11-18 2013-11-18 Commande d'appareil de chargement par batterie

Country Status (4)

Country Link
US (1) US20160301220A1 (fr)
EP (2) EP2874267A1 (fr)
CN (1) CN105723586A (fr)
WO (1) WO2015071479A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3795302A1 (fr) * 2019-09-23 2021-03-24 Hilti Aktiengesellschaft Communication robuste

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4595872A (en) * 1983-09-28 1986-06-17 Ball Newton E Computer-attached uninterruptable DC power supply
JPH07230451A (ja) * 1994-02-18 1995-08-29 Casio Comput Co Ltd 文字入力装置
JP3291402B2 (ja) * 1994-10-20 2002-06-10 三洋電機株式会社 二次電池の充電方法
US7479759B2 (en) * 2004-02-26 2009-01-20 Research In Motion Limited Electronic device including handheld electronic device with dual battery configuration, and associated method
US8122956B2 (en) * 2008-07-03 2012-02-28 Baker Hughes Incorporated Magnetic stirrer
JP5098912B2 (ja) * 2008-07-11 2012-12-12 ソニー株式会社 バッテリパックおよび充電制御システム
WO2011084937A2 (fr) * 2010-01-05 2011-07-14 A123 Systems, Inc. Système et procédé pour commander la tension d'éléments individuels de batterie dans un bloc-batterie
DE102010041510A1 (de) 2010-09-28 2012-03-29 Robert Bosch Gmbh Elektrisches Energiespeichersystem und Aufladeverfahren
US9718455B2 (en) * 2014-02-20 2017-08-01 Ford Global Technologies, Llc Active battery parameter identification using conditional extended kalman filter

Also Published As

Publication number Publication date
US20160301220A1 (en) 2016-10-13
WO2015071479A1 (fr) 2015-05-21
CN105723586A (zh) 2016-06-29
EP2874267A1 (fr) 2015-05-20

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