WO2001094962A1 - Dispositif servant a evaluer la duree de vie d'une batterie auxiliaire - Google Patents
Dispositif servant a evaluer la duree de vie d'une batterie auxiliaire Download PDFInfo
- Publication number
- WO2001094962A1 WO2001094962A1 PCT/JP2000/003733 JP0003733W WO0194962A1 WO 2001094962 A1 WO2001094962 A1 WO 2001094962A1 JP 0003733 W JP0003733 W JP 0003733W WO 0194962 A1 WO0194962 A1 WO 0194962A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- auxiliary battery
- discharge
- life
- depth
- judging
- Prior art date
Links
- 238000005259 measurement Methods 0.000 claims description 15
- 238000007599 discharging Methods 0.000 claims description 7
- 241000252233 Cyprinus carpio Species 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
- G01R31/386—Arrangements for measuring battery or accumulator variables using test-loads
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/3644—Constructional arrangements
- G01R31/3647—Constructional arrangements for determining the ability of a battery to perform a critical function, e.g. cranking
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/3644—Constructional arrangements
- G01R31/3648—Constructional arrangements comprising digital calculation means, e.g. for performing an algorithm
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/378—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] specially adapted for the type of battery or accumulator
- G01R31/379—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] specially adapted for the type of battery or accumulator for lead-acid batteries
Definitions
- the present invention relates to an auxiliary battery life determining device for determining the life of an auxiliary battery used in an emergency.
- Emergency call systems, etc. may be equipped with auxiliary batteries in addition to the main battery (lead storage battery) that is normally used, in order to prevent the occurrence of a situation in which the system cannot be used in an emergency.
- main battery battery storage battery
- auxiliary batteries that are not normally used may be unusable even when switching from the main battery to the auxiliary battery in an emergency because the battery is consumed by natural discharge.
- the present invention has been made to solve the above-described problems, and has as its object to provide an auxiliary battery life determining device capable of accurately grasping the life of an auxiliary battery. Disclosure of the invention
- the device for determining the life of an auxiliary battery measures the terminal voltage and temperature of the auxiliary battery, calculates the depth of discharge of the auxiliary battery from the measurement result, and determines the life of the auxiliary battery based on the depth of discharge. It is like that.
- the device for determining the life of an auxiliary battery when the depth of discharge of the auxiliary battery exceeds the reference depth of discharge, indicates that the auxiliary battery has reached its replacement time.
- the device for determining the life of an auxiliary battery obtains the remaining amount of the auxiliary battery from the measurement result of the measuring means with reference to the discharge curve for each depth of discharge, and displays the remaining amount of the auxiliary battery. It is.
- the auxiliary battery life determining apparatus obtains the usable time of the auxiliary battery from the measurement result of the measuring means with reference to the discharge cap at each discharge depth, and displays the usable time of the auxiliary battery. It was done.
- the device for determining the life of an auxiliary battery according to the present invention is configured to periodically discharge a constant current until the number of constant current discharges reaches a predetermined number. By ascertaining the number of positive constant current discharges, the usable period can be calculated by a microcomputer or the like, which has the effect of ascertaining the life of the auxiliary battery.
- the device for determining the life of an auxiliary battery measures the discharge current, terminal voltage, and temperature of the auxiliary battery when a dummy load is connected, calculates the depth of discharge of the auxiliary battery from the measurement result, and The service life of the auxiliary battery is determined based on the depth of discharge.
- the device for determining the life of an auxiliary battery when the discharge depth of the auxiliary battery exceeds the reference discharge depth when an actual load is connected, displays that the auxiliary battery has reached its replacement time. It was done.
- the device for determining the life of an auxiliary battery obtains the remaining amount of the auxiliary battery when an actual load is connected from the measurement result of the measuring means with reference to the discharge curve for each discharge depth, and The remaining amount is displayed.
- the auxiliary battery life determining apparatus refers to a discharge curve for each discharge depth, and an auxiliary battery to which an actual load is connected based on the measurement result of the measuring means.
- the available time of the auxiliary battery is obtained, and the available time of the auxiliary battery is displayed.
- FIG. 1 is a configuration diagram showing an auxiliary battery life determining apparatus according to Embodiment 1 of the present invention.
- FIG. 2 is an explanatory diagram showing discharge curves (discharge characteristics) for different discharge depths.
- FIG. 1 is a block diagram showing a device for determining the life of an auxiliary battery according to Embodiment 1 of the present invention.
- 1 is a main battery (lead storage battery)
- 2 is a switch
- 3 and 4 are for backflow prevention.
- a diode is a step-down circuit
- 6 is a power supply
- 6 A is an auxiliary battery such as a lithium battery with built-in 6 a
- 6 A is a power supply whose resistance value changes with temperature
- 7 is a protection resistor
- 8 is a reverse current 9 is a switch
- 10 is a dummy load
- 11 is a switch
- 12 to 15 are resistors.
- switch 16 When judging the life of the auxiliary battery 6, switch 16 turns on switches 9 and 11 (switch 2 is turned off), and constant current flows from the auxiliary battery 6 to the dummy load 10.
- switch switching circuit for discharging the battery 18 is a discharge time counter for measuring the discharge time of the auxiliary battery 6, and 19 to 21 are delay elements (inverter-evening circuit). Note that switches 2, 9, and 11 and switch switching circuit 1 7.
- the discharge means consists of the discharge time counter 18 and the delay elements 19 to 21.
- 2 2 is composed of a V / I comparator and an amplifier, and is a current sense circuit for measuring the discharge current of the auxiliary battery 6.
- 23 is an A / D converter for measuring the discharge current of the auxiliary battery 6 measured by the current sense circuit 22.
- An AZD converter for conversion, 24 is an A / D converter for A / D converting the terminal voltage of the auxiliary battery 6, and 25 is an A / D converter for AZD converting the temperature of the auxiliary battery 6.
- the measuring means is composed of 6 a, the resistors 12 to 15, the current sense circuit 22 and the A / D converters 23 to 25.
- a life determination circuit that lights the replacement time display LED 29, 27 Is a characteristic storage unit that stores the discharge curve (discharge characteristics) for each depth of discharge, 28 is the auxiliary battery 6 based on the conversion results of the A / D converters 23 to 25 with reference to the discharge curve for each depth of discharge.
- a remaining amount prediction circuit for predicting the remaining amount of the battery, 29 is a replacement time display LED, and 30 is a remaining amount indicator for displaying the remaining amount of the auxiliary battery 6.
- the life determining circuit 26, the characteristic storage section 27, the remaining amount predicting circuit 28, the replacement time display LED 29 and the remaining amount indicator 30 constitute a determining means.
- the switch switching circuit 17 sets the switch 2 to 0FF and sets the switch 9 to 0N (switch 1). 1 is OFF), and power is supplied from the auxiliary battery 6 to the actual load.
- the switch switching circuit 17 sets the switch 2 to 0FF and sets the switch 9 to 0N (switch 1). 1 is OFF), and power is supplied from the auxiliary battery 6 to the actual load.
- the auxiliary battery 6, which is not normally used, is consumed by self-discharge, so that it may not be usable even if the main battery 1 is switched to the auxiliary battery 6 in an emergency.
- the life of the auxiliary battery 6 is diagnosed by periodically calculating the discharge depth of the auxiliary battery 6 as described below.
- the switch switching circuit 17 turns off the switch 2 until the predetermined discharge time elapses (for example, 1 OmS). Turn on 1 and discharge a constant current (for example, a current of 5 A) from the auxiliary battery 6 to the dummy load 10.
- the life determination circuit 26 calculates the depth of discharge of the auxiliary battery 6 from the conversion results (discharge current, terminal voltage, and temperature of the auxiliary battery 6) of the A / D converters 23 to 25. I do.
- the life determination circuit 26 replaces the auxiliary battery 6. It is determined that the time has come (if it is determined that actual load discharge is impossible during the minimum guaranteed operation time of the system (for example, 10 minutes)), the replacement time display LED 29 is turned on.
- the life determination circuit 26 calculates the discharge depth of the auxiliary battery 6
- the remaining amount prediction circuit 28 refers to the discharge power for each discharge depth stored in the characteristic storage section 27 (see FIG.
- the discharge characteristics deteriorate as the depth of discharge increases, and the conversion results of A / D converters 23 to 25 (auxiliary battery) Predict the remaining amount of the auxiliary battery 6 from the discharge current, terminal voltage, and temperature of 6), and display the remaining amount of the auxiliary battery 6 as a remaining amount indicator 3 0
- the depth of discharge is ⁇ % (where the depth of discharge ⁇ ⁇ %)
- the temperature of the auxiliary battery 6 is low, refer to the discharge curve of the temperature A in FIG. 2 (b).
- the switch switching circuit 17 returns power to the actual load from the main battery 1 by returning the switch 2 to ⁇ N and the switches 9 and 11 to OFF after a predetermined discharge time has elapsed. .
- the discharge depth of the auxiliary battery 6 is calculated, and the life of the auxiliary battery 6 is determined based on the discharge depth. It is possible to determine the replacement time and remaining amount of the battery. Therefore, the replacement of the auxiliary battery 6 can be reliably performed, and the effect of being unable to be used in an emergency can be reliably prevented.
- the auxiliary battery 6 is periodically connected to the dummy load 10 to perform the dummy discharge.
- the main battery 1 may be damaged or disconnected, and the auxiliary battery 6 may be disconnected.
- the life determination circuit 26 Is supplying power to the actual load (switch 2 is off, switch 9 is on, and switch 11 is off), the life determination circuit 26
- the replacement time, the remaining amount, and the usable time of the auxiliary battery 6 may be displayed by calculating the depth of discharge of the auxiliary battery 6.
- the device for determining the life of an auxiliary battery according to the present invention can be reliably used in an emergency, for example, in an emergency notification system equipped with an auxiliary battery used in an emergency in addition to a main battery used normally. This is suitable for determining the life of the auxiliary battery.
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/031,116 US6642719B1 (en) | 2000-06-08 | 2000-06-08 | Device for judging life of auxiliary battery |
PCT/JP2000/003733 WO2001094962A1 (fr) | 2000-06-08 | 2000-06-08 | Dispositif servant a evaluer la duree de vie d'une batterie auxiliaire |
EP00935592A EP1278072B1 (en) | 2000-06-08 | 2000-06-08 | Device for judging life of auxiliary battery |
DE60034708T DE60034708T2 (de) | 2000-06-08 | 2000-06-08 | Gerät zur lebensdauerschätzung von hilfsbatterien |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2000/003733 WO2001094962A1 (fr) | 2000-06-08 | 2000-06-08 | Dispositif servant a evaluer la duree de vie d'une batterie auxiliaire |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001094962A1 true WO2001094962A1 (fr) | 2001-12-13 |
Family
ID=11736131
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2000/003733 WO2001094962A1 (fr) | 2000-06-08 | 2000-06-08 | Dispositif servant a evaluer la duree de vie d'une batterie auxiliaire |
Country Status (4)
Country | Link |
---|---|
US (1) | US6642719B1 (ja) |
EP (1) | EP1278072B1 (ja) |
DE (1) | DE60034708T2 (ja) |
WO (1) | WO2001094962A1 (ja) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002330547A (ja) * | 2001-04-27 | 2002-11-15 | Internatl Business Mach Corp <Ibm> | 電池寿命を判断する電気機器、コンピュータ装置、電池寿命判断システム、電池、および電池寿命検出方法 |
US7400149B2 (en) * | 2002-01-08 | 2008-07-15 | Siemens Aktiengesellschaft | Method for assessment of the state of batteries in battery-supported power supply systems |
NL1022497C2 (nl) | 2003-01-27 | 2004-08-03 | Sensite Solutions B V | Werkwijze en inrichting omvattende middelen voor het vaststellen van het beschikbare vermogen van een elektrische voedingsbron. |
EP1450173A3 (de) | 2003-02-24 | 2009-07-22 | Daimler AG | Verfahren zur Ermittlung der Alterung einer Batterie |
JP3681735B2 (ja) * | 2003-05-21 | 2005-08-10 | 本田技研工業株式会社 | 蓄電装置の充放電制御装置、及び充放電制御方法 |
GB0312303D0 (en) * | 2003-05-29 | 2003-07-02 | Yuasa Battery Uk Ltd | Battery life monitor and battery state of charge monitor |
US7321521B2 (en) | 2004-07-02 | 2008-01-22 | Seagate Technology Llc | Assessing energy requirements for a refreshed device |
US7081761B2 (en) * | 2004-07-14 | 2006-07-25 | General Motors Corporation | Ultracapacitor useful life prediction |
JP4874108B2 (ja) * | 2004-08-05 | 2012-02-15 | パナソニック株式会社 | ニッケル・水素蓄電池の寿命判定方法および寿命判定装置 |
US7177222B2 (en) * | 2005-03-04 | 2007-02-13 | Seagate Technology Llc | Reducing power consumption in a data storage system |
US8519673B2 (en) * | 2006-06-30 | 2013-08-27 | Seagate Technology Llc | Arbitrating battery power calibration in a device that selects a battery power unit from a purality of selectable battery power units |
JP4501946B2 (ja) * | 2007-02-23 | 2010-07-14 | 日本電気株式会社 | ディスクアレイ装置およびディスクコントローラ用制御プログラム |
US8838401B2 (en) | 2011-08-15 | 2014-09-16 | Ultrasonic Energy Efficiency Solutions LLC | Apparatus and method for accurate energy device state-of-health (SoH) monitoring |
US9325193B2 (en) | 2011-08-15 | 2016-04-26 | Shawn P. Kelly | Apparatus and method for accurate energy device state-of-charge (SoC) monitoring and control using real-time state-of-health (SoH) data |
WO2014077087A1 (ja) * | 2012-11-16 | 2014-05-22 | オリンパスメディカルシステムズ株式会社 | バイアス電圧発生装置及び超音波診断システム |
DE102013002589A1 (de) * | 2013-02-14 | 2014-08-14 | Audi Ag | Verfahren zum Testen eines Energiespeichers in einem Kraftfahrzeug |
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JPS5686039A (en) * | 1979-12-15 | 1981-07-13 | Matsushita Electric Works Ltd | Automatic lifetime monitor for backup storage battery |
JPH01102881U (ja) * | 1987-12-28 | 1989-07-11 | ||
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JPH1186912A (ja) * | 1997-09-08 | 1999-03-30 | Sanden Corp | 低温貯蔵庫の蓄電池寿命判定方法及び低温貯蔵庫 |
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US5640150A (en) * | 1995-08-17 | 1997-06-17 | The United States Of America As Represented By The Secretary Of The Army | Resettable state-of-charge indicator for rechargeable batteries |
JPH10153647A (ja) * | 1996-11-26 | 1998-06-09 | Casio Comput Co Ltd | 電池残量検知方法 |
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JPH11271407A (ja) | 1998-03-20 | 1999-10-08 | Seiko Instruments Inc | 電池残容量検出方法、携帯用電子機器の電池容量管理方法、及び携帯用電子機器 |
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-
2000
- 2000-06-08 EP EP00935592A patent/EP1278072B1/en not_active Expired - Lifetime
- 2000-06-08 DE DE60034708T patent/DE60034708T2/de not_active Expired - Fee Related
- 2000-06-08 WO PCT/JP2000/003733 patent/WO2001094962A1/ja active IP Right Grant
- 2000-06-08 US US10/031,116 patent/US6642719B1/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS5686039A (en) * | 1979-12-15 | 1981-07-13 | Matsushita Electric Works Ltd | Automatic lifetime monitor for backup storage battery |
JPH01102881U (ja) * | 1987-12-28 | 1989-07-11 | ||
JPH06163084A (ja) * | 1992-09-29 | 1994-06-10 | Yuasa Corp | 電動車両用蓄電池の残存寿命測定法 |
JPH10132910A (ja) * | 1996-10-25 | 1998-05-22 | Tokyo Electric Power Co Inc:The | 二次電池を用いたバッテリーシステムの残存電力量算出方法及びそれを用いたバッテリーシステム |
JPH1186912A (ja) * | 1997-09-08 | 1999-03-30 | Sanden Corp | 低温貯蔵庫の蓄電池寿命判定方法及び低温貯蔵庫 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1278072A4 * |
Also Published As
Publication number | Publication date |
---|---|
US6642719B1 (en) | 2003-11-04 |
DE60034708T2 (de) | 2008-01-31 |
EP1278072A1 (en) | 2003-01-22 |
EP1278072B1 (en) | 2007-05-02 |
EP1278072A4 (en) | 2005-02-16 |
DE60034708D1 (de) | 2007-06-14 |
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