DE102012210154A1 - Sensor for detecting electrical conductive medium in housing inner space of battery used in motor car, has fixing device that is connected with conductor, and contact surface that is projected into housing inner space of battery - Google Patents
Sensor for detecting electrical conductive medium in housing inner space of battery used in motor car, has fixing device that is connected with conductor, and contact surface that is projected into housing inner space of battery Download PDFInfo
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- DE102012210154A1 DE102012210154A1 DE201210210154 DE102012210154A DE102012210154A1 DE 102012210154 A1 DE102012210154 A1 DE 102012210154A1 DE 201210210154 DE201210210154 DE 201210210154 DE 102012210154 A DE102012210154 A DE 102012210154A DE 102012210154 A1 DE102012210154 A1 DE 102012210154A1
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- sensor
- battery
- fixing device
- inner space
- housing inner
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- 239000004020 conductor Substances 0.000 title abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 10
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 229910001416 lithium ion Inorganic materials 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000006056 electrooxidation reaction Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- BUHVIAUBTBOHAG-FOYDDCNASA-N (2r,3r,4s,5r)-2-[6-[[2-(3,5-dimethoxyphenyl)-2-(2-methylphenyl)ethyl]amino]purin-9-yl]-5-(hydroxymethyl)oxolane-3,4-diol Chemical compound COC1=CC(OC)=CC(C(CNC=2C=3N=CN(C=3N=CN=2)[C@H]2[C@@H]([C@H](O)[C@@H](CO)O2)O)C=2C(=CC=CC=2)C)=C1 BUHVIAUBTBOHAG-FOYDDCNASA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Images
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/06—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid
- G01N27/07—Construction of measuring vessels; Electrodes therefor
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
Description
Die vorliegende Erfindung betrifft einen Sensor, der elektrisch leitfähige Medien in einem Batteriegehäuseinnenraum detektiert, wobei der Sensor einen Leiter, eine mit dem Leiter verbundene Isolation, eine Kontaktfläche, zwei Kontaktstellen sowie eine Fixierungseinrichtung umfasst. Die Kontaktfläche ragt dabei in den Gehäuseinnenraum der Batterie. Kennzeichnend ist, dass der Sensor in die Fixierungseinrichtung integriert ist. Ferner betrifft die Erfindung eine Batterie sowie ein Kraftfahrzeug mit dieser Batterie.The present invention relates to a sensor which detects electrically conductive media in a battery housing interior, wherein the sensor comprises a conductor, an insulation connected to the conductor, a contact surface, two contact points and a fixing device. The contact surface protrudes into the housing interior of the battery. It is characteristic that the sensor is integrated in the fixing device. Furthermore, the invention relates to a battery and a motor vehicle with this battery.
Stand der TechnikState of the art
Um die Sicherheit von Lithium-Ionen-Batteriemodulen zu gewährleisten sowie zur Optimierung der Batterieleistung, der Performance und Lebensdauer sind die Batteriezellen optimalerweise innerhalb eines definierten Temperaturbereiches zu betreiben. Insbesondere bei hoher Leistungsaufnahme bzw. Leistungsabgabe muss das Aufheizen der Batteriezellen über eine bestimmte Betriebstemperatur vermieden werden und betriebsbedingt auftretende Wärme abgeführt werden. Auch eine Erwärmung auf Betriebstemperatur zu kühler Zellen ist realisierbar. Zu diesem Zweck werden üblicherweise Kühlsysteme eingesetzt.To ensure the safety of lithium-ion battery modules, as well as to optimize battery performance, performance and lifetime, the battery cells are optimally operated within a defined temperature range. In particular with high power consumption or power output, the heating of the battery cells over a certain operating temperature must be avoided and operationally occurring heat dissipated. A warming to operating temperature to cool cells is feasible. Cooling systems are commonly used for this purpose.
Zur Kühlung der Batteriemodule werden üblicherweise Luft, Wasser oder Kältemittel als Medium eingesetzt, wobei das jeweilige Medium die Wärme aufnimmt und aus den Zellen abführt. Beim Einsatz von flüssigen Kühlmedien wird eine Bodenplatte durchströmt, die thermisch zum Beispiel über Bleche mit den Batteriezellen verbunden ist. Bei Nutzung von Luft als Kühlmedium wird diese zwischen den Zellen hindurchgeführt. Insbesondere bei der Luftkühlung ist ein relativ hoher Aufwand zur Aufbereitung hinsichtlich Entfeuchtung und For cooling the battery modules usually air, water or refrigerant are used as a medium, wherein the respective medium absorbs heat and dissipates from the cells. When using liquid cooling media, a bottom plate is flowed through, which is thermally connected to the battery cells, for example, by means of metal sheets. When using air as a cooling medium, this is passed between the cells. In particular, in the air cooling is a relatively high cost for treatment with respect to dehumidification and
Filterung der Kühlluft sowie der Strömungsführung durch das Gehäuse zu den Batteriezellen notwendig. Filtering of the cooling air and the flow guidance through the housing to the battery cells necessary.
Durch die verschiedenen Temperaturen und die unterschiedliche Wasseraufnahmefähigkeit der Luft können an kühlen Stellen Betauungen entstehen. Hierdurch tritt insbesondere das Problem der Kondenswasserbildung innerhalb des Gehäuses auf.The different temperatures and the different water absorption capacity of the air can cause condensation in cool places. As a result, in particular, the problem of condensation formation within the housing occurs.
Aus der
Die
Offenbarung der ErfindungDisclosure of the invention
Erfindungsgemäß wird ein Sensor zur Detektion von elektrisch leitfähigen Medien in einem Batteriegehäuseinnenraum zur Verfügung gestellt. Der erfindungsgemäße Sensor umfasst einen Leiter, eine mit dem Leiter verbundene Isolation, eine Kontaktfläche, zwei Kontaktstellen sowie eine Fixierungseinrichtung. Die Kontaktfläche ragt dabei in den Gehäuseinnenraum der Batterie. Der erfindungsgemäße Sensor zeichnet sich dadurch aus, dass der Sensor in die Fixierungseinrichtung integriert ist. Das bedeutet, dass der Sensor ein integraler Bestandteil der Fixierungseinrichtung ist. According to the invention, a sensor for detecting electrically conductive media in a battery housing interior is provided. The sensor according to the invention comprises a conductor, an insulation connected to the conductor, a contact surface, two contact points and a fixing device. The contact surface protrudes into the housing interior of the battery. The sensor according to the invention is characterized in that the sensor is integrated in the fixing device. This means that the sensor is an integral part of the fixing device.
Der Erfindung liegt die Erkenntnis zugrunde, dass die Medien, die zu einer Fehlfunktion, wie zum Beispiel Korrosion und insbesondere der elektrochemischen Korrosion durch Feuchtigkeit oder zu einem Sicherheitsrisiko, wie zum Beispiel eine Verringerung der Isolation führen können, durch einen Sensor detektiert werden können. Durch entsprechende Wartungshinweise an den Fahrer können sogar elektrochemische Korrosion und Sicherheitsrisiken vermieden werden, wie zum Beispiel eine übermäßige Kondensatbildung durch eine Leckage, Beschädigung des Systems oder Leckage von Zellen.The invention is based on the finding that the media that can lead to a malfunction, such as corrosion and in particular the electrochemical corrosion by moisture or to a security risk, such as a reduction of the isolation, can be detected by a sensor. With appropriate maintenance instructions to the driver, even electrochemical corrosion and safety hazards can be avoided, such as excessive condensate build-up due to leakage, damage to the system or leakage of cells.
Die Detektion von elektrisch leitfähigen Medien in einem Batteriegehäuseinnenraum lässt sich wesentlich vereinfachen, wenn der Sensor bereits fester Bestandteil einer Fixierungseinrichtung ist. Gemäß der Ausführungsform der Erfindung ist der Sensor integraler Bestandteil der Fixierungseinrichtung. Mit anderen Worten, der Sensor muss also nicht als separates Element an die Fixierungseinrichtung zusätzlich angebracht werden. Da der Sensor in einer Einheit untergebracht wird, kann dadurch der Wartungsaufwand verringert werden. Der Herstellungsprozess des Sensors wird wesentlich vereinfacht, wenn der Sensor in die Fixierungseinrichtung integriert wird und nicht erst separat angeschlossen werden muss. Durch die Integrierung des Sensors in die Fixierungseinrichtung wird der Sensor zu einer standardisierten Komponente und kann vorteilhaft in höheren Stückzahlen hergestellt werden.The detection of electrically conductive media in a battery housing interior can be substantially simplified if the sensor is already an integral part of a fixing device. According to the embodiment of the invention, the sensor is an integral part of the fixing device. In other words, the sensor does not have to be additionally attached to the fixing device as a separate element. Since the sensor is housed in a unit, this can be reduced maintenance costs. The manufacturing process of the sensor is considerably simplified if the sensor is integrated into the fixing device and does not first have to be connected separately. By integrating the sensor into the Fixing device, the sensor becomes a standardized component and can be advantageously produced in higher quantities.
Nach einer vorteilhaften Ausgestaltung der Erfindung handelt es sich bei dem Sensor vorzugsweise um einen Feuchtigkeitssensor. Dadurch wird vorteilhaft die Feuchtigkeit im Batteriegehäuseinnenraum detektiert, wodurch die übermäßige Kondensatbildung verhindert werden kann. According to an advantageous embodiment of the invention, the sensor is preferably a moisture sensor. As a result, the moisture in the battery housing interior is advantageously detected, whereby the excessive formation of condensate can be prevented.
Gemäß einer bevorzugten Ausführungsform der Erfindung ist vorgesehen, dass die Medien vorzugsweise Kühlmedien sind. According to a preferred embodiment of the invention it is provided that the media are preferably cooling media.
Gemäß einer weiteren bevorzugten Ausführungsform der Erfindung ist vorgesehen, dass die Kühlmedien vorzugsweise Wasser und/oder Flüssigkeiten sind.According to a further preferred embodiment of the invention it is provided that the cooling media are preferably water and / or liquids.
In einer besonderen Ausführungsform ist weiterhin die Fixierungseinrichtung zur form-, stoff- und/oder kraftschlüssigen Fixierung des Sensors ausgebildet. Diese Fixierung kann beispielsweise durch Kleben und/oder Pressen realisiert werden. Dadurch wird vorteilhaft der Sensor rein form-, stoff- und/oder kraftschlüssig in dem Batteriegehäuseinnenraum gehalten, wodurch vorteilhaft der Austausch des Sensors vereinfacht wird.In a particular embodiment, the fixing device is also designed for the positive, material and / or non-positive fixation of the sensor. This fixation can be realized for example by gluing and / or pressing. As a result, the sensor is held in a positive shape, material and / or non-positively in the battery housing interior, whereby advantageously the replacement of the sensor is simplified.
Alternativ ist mit Vorteil vorgesehen, dass die Fixierungseinrichtung eine Schraube ist und der Sensor vorzugsweise in die Schraube integriert ist. Eine weitere Möglichkeit ist, dass der Sensor vorzugsweise in eine Pressure Balance Einheit integriert ist. Dadurch ist vorteilhaft, dass der Sensor fester Bestandteil der Schraube oder der Pressure Balance Einheit ist, wodurch das Austauschen des Sensors vereinfacht wird. Alternatively, it is advantageously provided that the fixing device is a screw and the sensor is preferably integrated in the screw. Another possibility is that the sensor is preferably integrated in a pressure balance unit. This is advantageous in that the sensor is an integral part of the screw or the pressure balance unit, whereby the replacement of the sensor is simplified.
Nach einer vorteilhaften Ausgestaltung der Erfindung handelt es sich bei der Batterie um eine Lithium-Ionen Batterie. Durch die Verwendung der Lithium-Ionen-Technologie können besonders hohe Energiespeicherdichten erzielt werden, was besonders im Bereich der Elektromobilität zu weiteren Vorteilen führt.According to an advantageous embodiment of the invention, the battery is a lithium-ion battery. By using the lithium-ion technology, particularly high energy storage densities can be achieved, which leads to further advantages, especially in the field of electromobility.
Erfindungsgemäß wird zudem ein Kraftfahrzeug mit einer Batterie bereitgestellt, wobei die Batterie mit einem Antriebssystem des Kraftfahrzeuges verbunden ist. According to the invention, a motor vehicle is also provided with a battery, wherein the battery is connected to a drive system of the motor vehicle.
Vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen angegeben und in der Beschreibung beschrieben.Advantageous developments of the invention are specified in the subclaims and described in the description.
Zeichnungendrawings
Ein Ausführungsbeispiel der Erfindung wird anhand der Zeichnung und der nachfolgenden Beschreibung näher erläutert. Es zeigt:An embodiment of the invention will be explained in more detail with reference to the drawing and the description below. It shows:
Ausführungsformen der ErfindungEmbodiments of the invention
Die
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 102009054922 A1 [0006] DE 102009054922 A1 [0006]
- DE 102009050878 A1 [0007] DE 102009050878 A1 [0007]
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201210210154 DE102012210154A1 (en) | 2012-06-15 | 2012-06-15 | Sensor for detecting electrical conductive medium in housing inner space of battery used in motor car, has fixing device that is connected with conductor, and contact surface that is projected into housing inner space of battery |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201210210154 DE102012210154A1 (en) | 2012-06-15 | 2012-06-15 | Sensor for detecting electrical conductive medium in housing inner space of battery used in motor car, has fixing device that is connected with conductor, and contact surface that is projected into housing inner space of battery |
Publications (1)
Publication Number | Publication Date |
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DE102012210154A1 true DE102012210154A1 (en) | 2013-12-19 |
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DE201210210154 Withdrawn DE102012210154A1 (en) | 2012-06-15 | 2012-06-15 | Sensor for detecting electrical conductive medium in housing inner space of battery used in motor car, has fixing device that is connected with conductor, and contact surface that is projected into housing inner space of battery |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014203919A1 (en) * | 2014-03-04 | 2015-09-10 | Robert Bosch Gmbh | Device and method for monitoring a battery system and battery, battery system and vehicle |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009050878A1 (en) | 2009-10-27 | 2011-04-28 | Carl Freudenberg Kg | Battery for electric vehicle, has battery housing, and dehumidified filter element that is arranged outside battery housing, where filter element separates interior of battery housing against environment air-conduction |
DE102009054922A1 (en) | 2009-12-18 | 2011-06-22 | SB LiMotive Company Ltd., Kyonggi | Method and device for reducing the humidity of a gas in a housing interior |
-
2012
- 2012-06-15 DE DE201210210154 patent/DE102012210154A1/en not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009050878A1 (en) | 2009-10-27 | 2011-04-28 | Carl Freudenberg Kg | Battery for electric vehicle, has battery housing, and dehumidified filter element that is arranged outside battery housing, where filter element separates interior of battery housing against environment air-conduction |
DE102009054922A1 (en) | 2009-12-18 | 2011-06-22 | SB LiMotive Company Ltd., Kyonggi | Method and device for reducing the humidity of a gas in a housing interior |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014203919A1 (en) * | 2014-03-04 | 2015-09-10 | Robert Bosch Gmbh | Device and method for monitoring a battery system and battery, battery system and vehicle |
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