DE3321649A1 - Diagnostic device for vehicle batteries - Google Patents
Diagnostic device for vehicle batteriesInfo
- Publication number
- DE3321649A1 DE3321649A1 DE3321649A DE3321649A DE3321649A1 DE 3321649 A1 DE3321649 A1 DE 3321649A1 DE 3321649 A DE3321649 A DE 3321649A DE 3321649 A DE3321649 A DE 3321649A DE 3321649 A1 DE3321649 A1 DE 3321649A1
- Authority
- DE
- Germany
- Prior art keywords
- battery
- microcomputer
- diagnostic device
- denotes
- 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.)
- Ceased
Links
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]
- G01R31/3644—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]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
- G01R31/3842—Arrangements for monitoring battery or accumulator variables, e.g. SoC combining voltage and current measurements
-
- 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
- H01M10/44—Methods for charging or discharging
-
- 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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
- H02J7/0049—Detection of fully charged condition
-
- 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
- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Tests Of Electric Status Of Batteries (AREA)
- Secondary Cells (AREA)
- Control Of Charge By Means Of Generators (AREA)
Description
HOFFMANN · EITLE & PARTNERHOFFMANN · EITLE & PARTNER
PATENT- UND RECHTSANWÄLTEPATENT AND LAWYERS
PATENTANWÄLTE DIPL.-ING. W. EITLE · DR. RER. NAT. K. HOFFMANN · DIPL.-IN3. W, LEHNPATENTANWÄLTE DIPL.-ING. W. EITLE DR. RER. NAT. K. HOFFMANN DIPL.-IN3. W, LEHN
DIPL.-ING. K. FDCHSLE · DR. RER. NAT. B. HANSEN · DR. RER. NAT. H.-A. BRAUNS . DIPL.-ING. K. GDRGDIPL.-ING. K. FDCHSLE DR. RER. NAT. B. HANSEN · DR. RER. NAT. HA. BROWN. DIPL.-ING. K. GDRG
DIPL.-ING. K. KOHLMANN · RECHTSANWALT A. NETTEDIPL.-ING. K. KOHLMANN · LAWYER A. NETTE
38 837 p/we38 837 p / wh
Mitsubishi Denki Kabushiki Kaisha
Tokyo / JapanMitsubishi Denki Kabushiki Kaisha
Tokyo / Japan
Diagnosevorrichtung für FahrzeugbatterienDiagnostic device for vehicle batteries
Die Erfindung bezieht sich auf eine Vorrichtung zum Diag- . mastizieren des Ladungszustandes einer Batterie, die geeignet ist, Energie zu speichern, die durch einen Generator erzeugt wird, welcher Generator durch den Fahrzeugmotor angetrieben wird.The invention relates to a device for Diag. masticate the state of charge of a battery that is suitable to store energy that is generated by a generator, which generator by the vehicle engine is driven.
Bei einem Fahrzeugladesystem dieses Typs ist eine Pilotlampe zwischen dem Anfangserregungsanschluß und dem Spannungsfeststellungsanschluß des Spannungsreglers a-ngeschlossen, so daß von der Beobachtung der Pilotlampe festgestellt werden kann, ob das Ladesystem ausreichend arbeitet oder nicht. Wenn die Batterie aufgeladen oder durch einen elektrochemischen Wechsel entladen ist, hängen die Anschlußspannung und der innere Widerstand der Batterie vom Ladungszustand ab. Die Ladefunktion hängt von der Umgebungstemperatur ab, dem spezifischen Gewicht und dem Säuregehalt des Elektrolyts und einer Anzahl von Lade- undIn a vehicle charging system of this type, there is a pilot lamp between the initial excitation terminal and the voltage detection terminal of the voltage regulator connected, so that from the observation of the pilot lamp it can be determined whether the charging system is working adequately or not. When the battery is charged or is discharged by an electrochemical change, the connection voltage and the internal resistance of the battery depend on the state of charge. The charging function depends on the ambient temperature, the specific weight and the Acidity of the electrolyte and a number of charging and
Entladungszyklen ab, denen die Batterie unterworfen wurde. So ist der Zustand der Batterie von komplizierten variablen Faktoren abhängig. Es ist demgemäß unmöglich, den Zustand der Batterie im einzelnen nur durch Beobachtung der Pilotlampe zu bestimmen.Cycles to which the battery has been subjected. So the condition of the battery is of complicated variable Factors dependent. Accordingly, it is impossible to determine the condition of the battery in detail just by observing the pilot lamp to determine.
Es ist Aufgabe der Erfindung, die vorgenannten Schwierigkeiten zu beseitigen und eine Batteriediagnosevorrichtung zu schaffen, bei der verschiedene Batteriedaten periodisch in einer vorbestimmten Zeitperiode angezeigt werden.The object of the invention is to eliminate the aforementioned difficulties and to provide a battery diagnostic device in which various battery data are periodically displayed in a predetermined period of time.
Zur Lösung dieser Aufgabe werden periodisch innerhalb einer vorbestimmten Zeiteinheit der Zustand der Batterie angezeigt aufgrund der vorhandenen Wertung und der Veränderungen dieser Werte mit der Zeit. Der innere Widerstand der Batterie, von dem das Funktionieren der Batterie abgeleitet werden kann, wird berechnet, so daß die Standzeit der Batterie bestimmt und angezeigt werden kann.To solve this problem, the status of the battery is displayed periodically within a predetermined time unit based on the existing valuation and the changes in these values over time. The internal resistance of the battery, from which the functioning of the battery can be derived is calculated so that the service life of the Battery can be determined and displayed.
Weitere Einzelheiten, Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung des in der Zeichnung rein schematisch dargestellten Ausführungsbeispiels. Die einzige Zeichnung zeigt ein Blockdiagramm einer Diagnosevorrichtung für eine Fahrzeugbatterie.Further details, features and advantages of the invention emerge from the following description of the in the drawing purely schematically illustrated embodiment. The only drawing shows a block diagram a diagnostic device for a vehicle battery.
Eine Ausführungsform dieser Erfindung wird nun unter Bezugnahme auf die einzige Figur der beigefügten Zeichnung beschrieben. Die einzige Figur ist ein Blockdiagramm mit der Darstellung einer Diagnosevorrichtung gemäß der Er-■ findung für eine Fahrzeugbatterie. In der Figur bezeichnet das Bezugszeichen 1 einen Generator mit einem Anker 1a und einer Feldspule 1b. Das Bezugszeichen 2 bezeichnet einen Gleichrichter, der eine Vielzahl von Dioden umfaßt, um die Ausgänge des Generators 1 gleich zu richten, d.h.An embodiment of this invention will now be made with reference to the single figure of the accompanying drawing described. The only figure is a block diagram showing a diagnostic device according to the invention finding for a vehicle battery. In the figure, the reference numeral 1 denotes a generator with an armature 1a and a field coil 1b. The reference numeral 2 denotes a rectifier which comprises a plurality of diodes, to rectify the outputs of generator 1, i.e.
5 die dreiphasigen Wechselstromausgänge des Ankers 1a. Das5 the three-phase alternating current outputs of the armature 1a. That
β α ββ α β
33216433321643
Bezugszeichen 3 bezeichnet einen Spannungsregler mit Dioden 306 und 314, Transistoren 307, 308, Widerständen 311, 312, 313, einem Komparator 310 und einer Bezugsspannungsquelle 315. Der Spannungsregler weist außerdem einen Spannungsdetektionsanschluß a, einen Anschluß b, der mit der Feldspule Tb verbunden ist, um einen kontrollierten bzw. gesteuerten Feldstrom zu erlauben, einen Erdungsanschluß c und einen Anschluß d zum Versorgen eines Stromes auf, welcher dazu geeignet ist, anfänglich den Generator au,erregen. Das Bezugszeichen 4 bezeichnet eine übliche Batterie, das Bezugszeichen 5 einen Tastschalter, welcher geschlossen ist, um einen nicht dargestellten Verbrennungsmotor anzulassen. Das Bezugszeichen 6 bezeichnet eine Piiotlampe, die zwischen den Anschlüsseii a und d angeschlossen ist und ein-oder angeschaltet wird, je nachdem, welche Spannungsdifferenz zwischen diesen Anschlüssen vorliegt (die Spannungsdifferenz ist zum Zeitpunkt des Motorstarts groß). Das Bezugszeichen 7 bezeichnet einen Mikrocomputer zum Steuern des Ladesystems. Der Mikrocomputer 7 umfaßt einen Analog-Digital-Wandler (A/D-Wandler) zum Umwandeln von Analogniveau-Eingangssignalen, fBatteriedaten) betreffend die Batterie A,in digitale Signale. Außerdem umfaßt der Mikrocomputer 7 eine zentrale Berechnungseinheit zum Lesen des Ausgangs des A/D-Wandlers bei einer vorbestimmten Periode oder Probenfreguenz, um die Diagnose entsprechend einem diagnostischen Programm zu vollziehen.Reference number 3 denotes a voltage regulator with diodes 306 and 314, transistors 307, 308, resistors 311, 312, 313, a comparator 310 and a reference voltage source 315. The voltage regulator also has a voltage detection terminal a, a terminal b which is connected to the field coil Tb in order to permit a controlled field current, a ground connection c and a connection d for supplying a current which is suitable to initially excite the generator. The reference number 4 denotes a conventional battery, the reference number 5 a pushbutton switch which is closed in order to start an internal combustion engine (not shown). The reference numeral 6 denotes a pilot lamp which is connected between the terminals a and d and is switched on or off, depending on the voltage difference between these terminals (the voltage difference is large at the time of engine start). Numeral 7 denotes a microcomputer for controlling the charging system. The microcomputer 7 includes an analog-to-digital converter (A / D converter) for converting analog level input signals (battery data) relating to the battery A into digital signals. In addition, the microcomputer 7 includes a central calculating unit for reading the output of the A / D converter at a predetermined period or sampling frequency to make the diagnosis according to a diagnostic program.
Weiterhin bezeichnet in der Figur das Bezugszeichen 8 eine Anzeigeeinheit zum Anzeigen des Diagnoseresultats, welches vom Mikrocomputer oder Steuerabschnitt 7 abgegeben wird. Das Bezugszeichen 9 bezeichnet einen Sensor zum Feststellen eines durch den Negativanschluß der Batterie 4 fließenden Stromes und zum Anlegen dieser Daten an den Steuerabschnitt 7. Das Bezugszeichen 10 be-Furthermore, in the figure, the reference number 8 denotes a display unit for displaying the diagnosis result, which is output from the microcomputer or control section 7. Numeral 9 denotes a sensor for detecting a current flowing through the negative terminal of the battery 4 and for applying it Data to the control section 7. The reference numeral 10 denotes
zeichnet einen weiteren Sensor zum Feststellen des spezifischen Gewichtes des Elektrolyts in der Batterie 4 und zum Anlegen der Daten an den Mikrocomputer. Schließlich bezeichnet das Bezugszeichen 11 einen herkömmlichen Starter des Verbrennungsmotors.draws another sensor for determining the specific gravity of the electrolyte in the battery 4 and to apply the data to the microcomputer. Finally, reference numeral 11 denotes a conventional one Internal combustion engine starter.
Der Betriebsablauf dieser Vorrichtung wird nun beschrieben. Der Mikrocomputer 7 liest die Spannung am positiven Anschluß (Klemme) der Batterie 4 und die Ausgangssignale der Sensoren 9 und 10 in bestimmten Intervallen, um den Zustand der Batterie entsprechend einem diagnostischen Programm anzuzeigen und dadurch die Batterie 4 zu diagnostizieren. Diese Diagnose umfaßt eine Bestimmung des Zustandes der Gleichrichterseite von der Anschlußspannung der Batterie.(a) Wenn das Signal des Sensors 10 nicht gleich einem vorbestimmten Wert ist, wenn der Tastschalter 5 eingeschaltet wird, wird angezeigt, daß die Batterie 4 übermäßig entladen ist. (b) Wenn die Spannung der Batterie und die Ausgangssignale der Sensoren 9 und 10 gleich vorbestimmten Werten sind, wenn die Brennkraftmaschine gestartet ist, wird festgestellt, daß die Batterie 4 normal aufgeladen ist. (c) Wenn die Polarität des Signals des Sensors 9 sich nicht innerhalb einer ausreichend langen zeitperiode für die zu startende Brennkraftmaschine ändert, nachdem der Tastschalter 5 eingeschaltet worden ist, ist festzustellen, daß die Batterie 4 nicht geladen ist, weil der Startvorgang ausfällt und der Generator 1 nicht arbeitet oder der Gleichrichter 2 ist außer Betrieb, (d) Wenn die Brennkraftmaschine gestartet wird, zeigt das Signal des Sensors 10 das Laden der Batterie 4 an und es wird die Anschlußspannung der Batterie 4 als gesättigt festgestellt, so ist die Batterie 4 ordnungsgemäß aufgeladen, (e) Wenn der innere Widerstand der Batterie 4 größer ist als sein vorbestimmter Wert, welcher in dem Zustand aus dem Verhältnis des Signals des Sensors 9 und der VeränderungThe operation of this device will now be described. The microcomputer 7 reads the voltage at the positive terminal (Terminal) of the battery 4 and the output signals of the sensors 9 and 10 at certain intervals to the Display the state of the battery in accordance with a diagnostic program and thereby diagnose the battery 4. This diagnosis includes a determination of the condition of the rectifier side from the terminal voltage of the Battery. (A) When the signal from the sensor 10 is not equal to a predetermined value when the push button switch 5 is turned on, it is indicated that the battery 4 is excessively discharged. (b) When the voltage of the battery and the output signals of the sensors 9 and 10 are equal to predetermined values when the internal combustion engine is started is, it is determined that the battery 4 is normally charged. (c) If the polarity of the signal of the Sensor 9 does not change within a sufficiently long time period for the internal combustion engine to be started, after the push button switch 5 has been turned on, it is found that the battery 4 is not charged because the starting process fails and the generator 1 does not work or the rectifier 2 is out of operation, (d) if the internal combustion engine is started, the signal of the sensor 10 indicates the charging of the battery 4 and it is the connection voltage of the battery 4 is determined to be saturated, so the battery 4 is properly charged, (e) When the internal resistance of the battery 4 is larger as its predetermined value which is in the state of the ratio of the signal from the sensor 9 and the change
der Anschlußspannung der Batterie berechnet wird, daß die Batterie 4 richtig aufgeladen ist, bedeutet dies, daß die Leistungsfähigkeit der Batterie 4 vermindert ist. Andere Zustände der Batterie 4 können aus Kombinationen der vorstehenden Zustände an den Steuerabschnitt 7 anzubringenden Signale bestimmt werden und aus den Veränderungen derselben in Abhängigkeit von der Zeit. Die Resultate der Diagnose werden der Anzeigeeinheit 8 zugeführt, wo diese dann angezeigt werden.the connection voltage of the battery is calculated that the battery 4 is properly charged, this means that the performance of the battery 4 is reduced. Other states of the battery 4 may be made of combinations of the above states to be attached to the control section 7 Signals are determined and from the changes in them as a function of time. The results the diagnosis are fed to the display unit 8, where they are then displayed.
Bei der zuvor beschriebenen Ausführungsform werden drei die Batteriedaten bildenden Signale in den Mikrocomputer eingegeben, um eine Diagnose der Batterie vorzunehmen. Stattdessen können zusätzliche Spannungen, Ströme und Temperaturen anderer Teile zur Diagnose der Batterie mit höherer Genauigkeit eingegeben werden.In the embodiment described above, three signals constituting the battery data are input to the microcomputer entered to diagnose the battery. Instead, additional voltages, currents and Temperatures of other parts for diagnosing the battery can be entered with higher accuracy.
Es ist aus der vorstehenden Beschreibung deutlich, daß entsprechend der Erfindung verschiedene Batteriedaten in einem Mikrocomputer vorbestimmter Frequenz eingegeben werden, so daß der Zustand des Aufladungssystems einschließlich der Batterie aus den vorhandenen Werten und den mit der Zeit erfolgenden Veränderungen dieser Daten angezeigt wird. Der innere Widerstand der Batterie wird berechnet und es werden verschiedene Symptome der Batterie diagnostiziert und angezeigt. Daher ist die erfindungsgemäße Vorrichtung für eine besonders günstige Wartung der Batterie sehr wirkungsvoll.It is clear from the foregoing description that, according to the invention, various battery data in a microcomputer of a predetermined frequency so that the state of the charging system inclusive the battery from the existing values and the changes in this data over time is shown. The internal resistance of the battery is calculated and there are various symptoms of the battery diagnosed and displayed. The device according to the invention is therefore particularly suitable for maintenance the battery is very effective.
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Claims (2)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57106410A JPS58222731A (en) | 1982-06-19 | 1982-06-19 | Storage battery diagnosing device for vehicle |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3321649A1 true DE3321649A1 (en) | 1983-12-22 |
Family
ID=14432902
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3321649A Ceased DE3321649A1 (en) | 1982-06-19 | 1983-06-15 | Diagnostic device for vehicle batteries |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS58222731A (en) |
DE (1) | DE3321649A1 (en) |
FR (1) | FR2529020B1 (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3712629A1 (en) * | 1986-04-14 | 1987-10-15 | Hitachi Ltd | OPERATING TIME TEST DEVICE FOR MOTOR VEHICLE BATTERY |
EP0481743A1 (en) * | 1990-10-16 | 1992-04-22 | Honda Giken Kogyo Kabushiki Kaisha | Method of displaying a residual electric charge in a battery of an electrically driven vehicle |
US5457377A (en) * | 1992-10-01 | 1995-10-10 | Fps Power Systems Oy Ab | Method of monitoring the internal impedance of an accumulator battery in an uninterruptible power supply, and an uninterruptible power supply |
US8575779B2 (en) | 2010-02-18 | 2013-11-05 | Alpha Technologies Inc. | Ferroresonant transformer for use in uninterruptible power supplies |
US9030045B2 (en) | 2011-01-23 | 2015-05-12 | Alpha Technologies Inc. | Switching systems and methods for use in uninterruptible power supplies |
US9234916B2 (en) | 2012-05-11 | 2016-01-12 | Alpha Technologies Inc. | Status monitoring cables for generators |
US10074981B2 (en) | 2015-09-13 | 2018-09-11 | Alpha Technologies Inc. | Power control systems and methods |
US10381867B1 (en) | 2015-10-16 | 2019-08-13 | Alpha Technologeis Services, Inc. | Ferroresonant transformer systems and methods with selectable input and output voltages for use in uninterruptible power supplies |
US10635122B2 (en) | 2017-07-14 | 2020-04-28 | Alpha Technologies Services, Inc. | Voltage regulated AC power supply systems and methods |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3321134A1 (en) * | 1982-06-11 | 1983-12-22 | Mitsubishi Denki K.K., Tokyo | DIAGNOSTIC DEVICE FOR A BATTERY CHARGING SYSTEM |
GB2175402A (en) * | 1985-05-14 | 1986-11-26 | Salplex Ltd | Apparatus and method for measuring battery currents |
JPH0233556U (en) * | 1988-08-23 | 1990-03-02 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2952853A1 (en) * | 1978-03-01 | 1981-05-21 | Anderson Power Products Inc., Boston, Mass. | METHOD AND DEVICE FOR DETERMINING THE CAPACITY OF AN ACCUMULATOR |
DE3031852A1 (en) * | 1980-06-28 | 1982-01-21 | Lucas Industries Ltd., Birmingham, West Midlands | DEVICE FOR DETERMINING THE CHARGING STATE OF A BATTERY |
DE2913900C2 (en) * | 1978-04-10 | 1982-02-04 | Nippondenso Co., Ltd., Kariya, Aichi | Method and device for monitoring an operating parameter of a secondary battery in a vehicle |
DE3108844A1 (en) * | 1981-03-09 | 1982-09-23 | Siemens AG, 1000 Berlin und 8000 München | Method for determining the state of preservation of lead accumulators |
DE3109577A1 (en) * | 1981-03-13 | 1982-10-28 | Robert Bosch Gmbh, 7000 Stuttgart | Method and device for checking the operation and battery of electronic safety devices |
DE3128852A1 (en) * | 1981-07-22 | 1983-02-10 | Varta Batterie Ag, 3000 Hannover | Method for monitoring the charging of accumulators |
DE3130669A1 (en) * | 1981-08-03 | 1983-02-17 | Möhrstedt, Udo, 8623 Staffelstein | METHOD AND DEVICE FOR MEASURING THE CHARGE STATE OF A BATTERY |
DE3116371A1 (en) * | 1981-04-21 | 1983-02-17 | Gottfried Hagen AG, 5000 Köln | Method for determining the state of discharge of an electrical accumulator and circuit arrangement for carrying out this method |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4289836A (en) * | 1980-03-05 | 1981-09-15 | Lemelson Jerome H | Rechargeable electric battery system |
US4333149A (en) * | 1980-03-06 | 1982-06-01 | General Electric Company | Microprocessor-based state of charge gauge for secondary batteries |
-
1982
- 1982-06-19 JP JP57106410A patent/JPS58222731A/en active Pending
-
1983
- 1983-06-15 DE DE3321649A patent/DE3321649A1/en not_active Ceased
- 1983-06-17 FR FR8310077A patent/FR2529020B1/en not_active Expired
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2952853A1 (en) * | 1978-03-01 | 1981-05-21 | Anderson Power Products Inc., Boston, Mass. | METHOD AND DEVICE FOR DETERMINING THE CAPACITY OF AN ACCUMULATOR |
DE2913900C2 (en) * | 1978-04-10 | 1982-02-04 | Nippondenso Co., Ltd., Kariya, Aichi | Method and device for monitoring an operating parameter of a secondary battery in a vehicle |
DE3031852A1 (en) * | 1980-06-28 | 1982-01-21 | Lucas Industries Ltd., Birmingham, West Midlands | DEVICE FOR DETERMINING THE CHARGING STATE OF A BATTERY |
DE3031931A1 (en) * | 1980-06-28 | 1982-02-04 | Lucas Industries Ltd., Birmingham, West Midlands | METHOD FOR MONITORING THE DRIVE BATTERY OF AN ELECTRIC VEHICLE |
DE3108844A1 (en) * | 1981-03-09 | 1982-09-23 | Siemens AG, 1000 Berlin und 8000 München | Method for determining the state of preservation of lead accumulators |
DE3109577A1 (en) * | 1981-03-13 | 1982-10-28 | Robert Bosch Gmbh, 7000 Stuttgart | Method and device for checking the operation and battery of electronic safety devices |
DE3116371A1 (en) * | 1981-04-21 | 1983-02-17 | Gottfried Hagen AG, 5000 Köln | Method for determining the state of discharge of an electrical accumulator and circuit arrangement for carrying out this method |
DE3128852A1 (en) * | 1981-07-22 | 1983-02-10 | Varta Batterie Ag, 3000 Hannover | Method for monitoring the charging of accumulators |
DE3130669A1 (en) * | 1981-08-03 | 1983-02-17 | Möhrstedt, Udo, 8623 Staffelstein | METHOD AND DEVICE FOR MEASURING THE CHARGE STATE OF A BATTERY |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3712629A1 (en) * | 1986-04-14 | 1987-10-15 | Hitachi Ltd | OPERATING TIME TEST DEVICE FOR MOTOR VEHICLE BATTERY |
EP0481743A1 (en) * | 1990-10-16 | 1992-04-22 | Honda Giken Kogyo Kabushiki Kaisha | Method of displaying a residual electric charge in a battery of an electrically driven vehicle |
US5352982A (en) * | 1990-10-16 | 1994-10-04 | Honda Giken Kogyo Kabushiki Kaisha | Method and apparatus for displaying a residual electric charge of a battery for an electrically driven vehicle |
US5457377A (en) * | 1992-10-01 | 1995-10-10 | Fps Power Systems Oy Ab | Method of monitoring the internal impedance of an accumulator battery in an uninterruptible power supply, and an uninterruptible power supply |
US8575779B2 (en) | 2010-02-18 | 2013-11-05 | Alpha Technologies Inc. | Ferroresonant transformer for use in uninterruptible power supplies |
US9633781B2 (en) | 2010-02-18 | 2017-04-25 | Alpha Technologies Inc. | Ferroresonant transformer for use in uninterruptible power supplies |
US10355521B2 (en) | 2011-01-23 | 2019-07-16 | Alpha Technologies Services, Inc. | Switching systems and methods for use in uninterruptible power supplies |
US9030045B2 (en) | 2011-01-23 | 2015-05-12 | Alpha Technologies Inc. | Switching systems and methods for use in uninterruptible power supplies |
US9812900B2 (en) | 2011-01-23 | 2017-11-07 | Alpha Technologies Inc. | Switching systems and methods for use in uninterruptible power supplies |
US9234916B2 (en) | 2012-05-11 | 2016-01-12 | Alpha Technologies Inc. | Status monitoring cables for generators |
US10074981B2 (en) | 2015-09-13 | 2018-09-11 | Alpha Technologies Inc. | Power control systems and methods |
US10790665B2 (en) | 2015-09-13 | 2020-09-29 | Alpha Technologies Services, Inc. | Power control systems and methods |
US10381867B1 (en) | 2015-10-16 | 2019-08-13 | Alpha Technologeis Services, Inc. | Ferroresonant transformer systems and methods with selectable input and output voltages for use in uninterruptible power supplies |
US10635122B2 (en) | 2017-07-14 | 2020-04-28 | Alpha Technologies Services, Inc. | Voltage regulated AC power supply systems and methods |
Also Published As
Publication number | Publication date |
---|---|
JPS58222731A (en) | 1983-12-24 |
FR2529020A1 (en) | 1983-12-23 |
FR2529020B1 (en) | 1986-01-03 |
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