DE102011086358A1 - Electronic energy storage managing device for controlling energy intake and energy output of energy accumulator in motor car, has energy intake and output, where normal power strategy is activated according to request - Google Patents
Electronic energy storage managing device for controlling energy intake and energy output of energy accumulator in motor car, has energy intake and output, where normal power strategy is activated according to request Download PDFInfo
- Publication number
- DE102011086358A1 DE102011086358A1 DE102011086358A DE102011086358A DE102011086358A1 DE 102011086358 A1 DE102011086358 A1 DE 102011086358A1 DE 102011086358 A DE102011086358 A DE 102011086358A DE 102011086358 A DE102011086358 A DE 102011086358A DE 102011086358 A1 DE102011086358 A1 DE 102011086358A1
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- Germany
- Prior art keywords
- energy
- energy storage
- output
- maximum allowable
- intake
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- 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.)
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Classifications
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
- B60L58/13—Maintaining the SoC within a determined range
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
- B60L58/15—Preventing overcharging
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- 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
- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
- H02J2310/40—The network being an on-board power network, i.e. within a vehicle
- H02J2310/48—The network being an on-board power network, i.e. within a vehicle for electric vehicles [EV] or hybrid vehicles [HEV]
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
Description
Die Erfindung bezieht sich auf einen Elektronischer Energiespeichermanager zur Steuerung der Energieaufnahme und Energieabgabe eines Energiespeichers nach dem Oberbegriff des Anspruchs 1.The invention relates to an electronic energy storage manager for controlling the energy consumption and energy output of an energy store according to the preamble of claim 1.
Derzeit werden elektrifizierte Kraftfahrzeuge, die durch die Energie aus einem Energiespeicher angetrieben werden, mit einer fixen Reichweite angeboten. Die fixe Reichweite ergibt sich durch die Auslegung (Größe) des Energiespeichers und die Lade- bzw. Entladestrategie, die grundsätzlich derart ausgestaltet ist, dass unter Berücksichtigung der erforderlichen Leistung für den Antrieb die Energiespeicher eine möglichst lange Lebensdauer haben. Eine Änderung der Reichweite bzw. der zur Verfügung stehenden Energie für den Antrieb kann somit nur durch die Bereitstellung eines größeren Energieträgers erreicht werden. Ein Einfluss auf die Lade- bzw. Entladestrategie besteht aufgrund der Erhaltung einer möglichst langen Lebensdauer des Energieträgers nicht.Currently, electrified motor vehicles that are powered by energy from an energy storage are offered with a fixed range. The fixed range results from the design (size) of the energy storage and the charging or discharging strategy, which is basically designed such that, taking into account the required power for the drive, the energy storage have the longest possible life. A change in the range or the available energy for the drive can thus be achieved only by providing a larger energy source. An influence on the charging or discharging strategy does not exist due to the preservation of the longest possible service life of the energy source.
Aus der
Aufgabe der Erfindung ist es, einen hinsichtlich der Bereitstellung der Gesamtenergie verbesserten Energiespeichermanager anzugeben.The object of the invention is to provide an improved energy storage manager with regard to the provision of the total energy.
Diese Aufgabe wird durch einen elektronischen Energiespeicher nach Patentanspruch 1 gelöst. Vorteilhafte Weiterbildungen ergeben sich aus den abhängigen Ansprüchen.This object is achieved by an electronic energy storage according to claim 1. Advantageous developments emerge from the dependent claims.
Prinzipiell wird von einem bereits bekannten Energiespeichermanager zur Steuerung der Energieaufnahme und Energieabgabe eines Energiespeichers in einem Kraftfahrzeug, das zumindest teilweise durch die Energie des Energiespeichers angetrieben wird, ausgegangen. Dabei wird die Lade- bzw. Entladestrategie zur Energieaufnahme und Abgabe in Abhängigkeit einer vorgegebenen Regelbetriebsstrategie mit einem vorgegebenen maximal zulässigen Ladehub und/oder einer vorgegebenen maximal zulässigen Energiespeicherbelastung vorgenommen. Die Regelbetriebsstrategie ist derart ausgestaltet, dass eine möglichst lange Lebensdauer des Energiespeichers erreicht wird.In principle, it is assumed that an already known energy storage manager controls the energy intake and energy output of an energy store in a motor vehicle that is at least partially driven by the energy of the energy store. In this case, the charging or discharging strategy for energy absorption and delivery in dependence on a predetermined control operating strategy with a predetermined maximum allowable loading stroke and / or a predetermined maximum allowable energy storage load is made. The control operating strategy is designed such that the longest possible lifetime of the energy storage is achieved.
Grundgedanke der Erfindung ist nun, den Energiespeichermanager derart abzuändern, dass die Betriebsstrategie hinsichtlich einer Änderung bzw. einer Vergrößerung der zur Verfügung gestellten Gesamtenergiemenge und somit zum Erreichen einer größeren Reichweite änderbar ist. Demnach zeichnet sich die Erfindung dadurch aus, dass im Energiespeichermanager ein Leistungsmodus mit einer von der Regelbetriebsstrategie abweichenden Leistungsbetriebsstrategie vorgesehen ist, der auf Anforderung freischaltbar ist.The basic idea of the invention is now to modify the energy storage manager in such a way that the operating strategy can be changed with respect to a change or an increase in the total amount of energy available and thus to achieve a greater range. Accordingly, the invention is characterized in that a power mode is provided in the energy storage manager with a different from the control operating strategy power operating strategy, which can be unlocked on request.
Vorteilhafterweise ist dabei dieser Leistungsmodus derart ausgestaltet, dass bei freigeschaltetem Leistungsmodus bei der Energieaufnahme und Energieabgabe ein gegenüber dem maximal zulässigen Ladehub bei der Regelbetriebsstrategie größerer Ladehub zugelassen wird. Der Ladehub ist durch eine untere Entladegrenze und eine obere Ladegrenze definiert, was bedeutet, dass bei einem Ladezustand des Energiespeichers, der die untere Entladegrenze erreicht hat, keine weitere Entladung durch Freisetzen von Energie möglich ist und dass bei Erreichen der oberen Ladegrenze kein weiteres Laden, z. B. durch Rekuperation, mehr möglich ist bzw. zugelassen wird. Wird nun auf Anforderung in den Leistungsmodus gewechselt, so kann zur Vergrößerung des Ladehubs entweder die untere Entladegrenze weiter abgesenkt und/oder die obere Ladegrenze weiter angehoben werden.Advantageously, this power mode is configured in such a way that, when the power mode is disconnected, in the case of energy absorption and energy release, a larger loading stroke than the maximum permissible loading stroke is permitted in the control operating strategy. The loading stroke is defined by a lower discharge limit and an upper charge limit, which means that in a state of charge of the energy storage device, which has reached the lower discharge limit, no further discharge by releasing energy is possible and that when reaching the upper charging limit no further loading, z. B. by recuperation, more is possible or allowed. Is now changed to request in the power mode, it can be further increased to increase the loading stroke, either the lower discharge limit and / or the upper loading limit.
Alternativ oder zusätzlich kann dieser Leistungsmodus auch derart ausgestaltet, dass bei freigeschaltetem Leistungsmodus bei der Energieaufnahme und Energieabgabe eine gegenüber der maximal zulässigen Energiespeicherbelastung im Rahmen der Regelbetriebsstrategie größerer Energiespeicherbelastung zugelassen wird.Alternatively or additionally, this power mode can also be designed in such a way that, when the power mode is enabled, an energy storage load greater than the maximum permissible energy storage load in the context of the control operating strategy is permitted in the energy intake and energy release.
Da durch den Betrieb des Energiespeichers im Leistungsmodus ggf. eine kürzere Lebensdauer des Energieträgers zu erwarten ist, kann die Freischaltung des Leistungsmodus vorteilhafterweise nur mittels eines entsprechenden Gerätes bspw. über einen Diagnosestecker in Werkstätten oder in anderen Service-Zentren erfolgen. Somit kann der Fahrer oder Inhaber nochmals darauf hingewiesen werden, dass bei einer Freischaltung des Leistungsmodus ggf. mit einer geringeren Lebensdauer des Energiespeichers zu rechnen ist und dieser früher gewechselt werden muss. Weiter kann auch verhindert werden, dass ein dauernder Wechsel zwischen Regelmodus und Leistungsmodus erfolgt.Since a shorter service life of the energy carrier may possibly be expected as a result of the operation of the energy store in the power mode, the activation of the power mode can advantageously be effected only by means of a corresponding device, for example via a diagnostic plug in workshops or in other service centers. Thus, the driver or owner can be pointed out once again that, if the power mode is activated, a shorter service life of the energy store may possibly be expected and this must be changed earlier. Furthermore, it can also be prevented that a permanent change takes place between control mode and power mode.
Vorteilhafterweise kann der maximale zulässige Ladehub und/oder die maximal zulässige Energiespeicherbelastung im Leistungsmodus in Abhängigkeit einer vom Fahrer bzw. vom Inhaber des Fahrzeugs gewünschten Reichweite, die durch die vom Energiespeicher zur Verfügung gestellten Energie erreichbar sein soll und/oder einer vom Fahrer gewünschten Leistungsentnahme aus dem Energiespeicher, vorgegeben werden. Je größer die gewünschte Reichweite ist, desto größer kann der maximal mögliche bzw. erlaubte Ladehub eingestellt werden.Advantageously, the maximum permissible loading stroke and / or the maximum permissible energy storage load in the power mode in Dependence of a range desired by the driver or the owner of the vehicle, which is to be achievable by the energy made available by the energy store and / or a desired power consumption from the energy store desired by the driver. The larger the desired range, the greater the maximum possible or permitted loading stroke can be set.
Die Erfindung bietet somit für den Fahrer bzw. Inhaber des Fahrzeugs die Möglichkeit die Reichweite bzw. die Leistungsentnahme selbst beeinflussen zu können. Wünscht er eine Vergrößerung der Reichweite, so muss er aber auch eine eventuell auftretende kürzere Lebensdauer des Energieträgers in Kauf nehmen.The invention thus offers the possibility for the driver or owner of the vehicle to be able to influence the range or power consumption itself. If he wishes to increase the range, he must also accept a possibly occurring shorter service life of the energy carrier.
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- DE 19617558 B4 [0003] DE 19617558 B4 [0003]
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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DE102011086358A DE102011086358A1 (en) | 2011-11-15 | 2011-11-15 | Electronic energy storage managing device for controlling energy intake and energy output of energy accumulator in motor car, has energy intake and output, where normal power strategy is activated according to request |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011086358A DE102011086358A1 (en) | 2011-11-15 | 2011-11-15 | Electronic energy storage managing device for controlling energy intake and energy output of energy accumulator in motor car, has energy intake and output, where normal power strategy is activated according to request |
Publications (1)
Publication Number | Publication Date |
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DE102011086358A1 true DE102011086358A1 (en) | 2013-05-16 |
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DE102011086358A Pending DE102011086358A1 (en) | 2011-11-15 | 2011-11-15 | Electronic energy storage managing device for controlling energy intake and energy output of energy accumulator in motor car, has energy intake and output, where normal power strategy is activated according to request |
Country Status (1)
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DE (1) | DE102011086358A1 (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19617548B4 (en) * | 1996-05-02 | 2008-06-12 | Adam Opel Ag | Electric motor driven motor vehicle |
DE102009045784A1 (en) * | 2009-10-19 | 2011-04-21 | Robert Bosch Gmbh | Method and charging control to increase the life of accumulators |
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2011
- 2011-11-15 DE DE102011086358A patent/DE102011086358A1/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19617548B4 (en) * | 1996-05-02 | 2008-06-12 | Adam Opel Ag | Electric motor driven motor vehicle |
DE102009045784A1 (en) * | 2009-10-19 | 2011-04-21 | Robert Bosch Gmbh | Method and charging control to increase the life of accumulators |
Non-Patent Citations (1)
Title |
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WILDE, A.; Schneider, J.; Herzog, H.G.: Fahrstil- und fahrsituationsabhängige Ladestrategie bei Hybridfahrzeugen. Wiesbaden : Springer Vieweg, Mai 2008. 412-421. - ISBN * * |
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