DE102009028271A1 - Protection device for a test facility - Google Patents
Protection device for a test facility Download PDFInfo
- Publication number
- DE102009028271A1 DE102009028271A1 DE102009028271A DE102009028271A DE102009028271A1 DE 102009028271 A1 DE102009028271 A1 DE 102009028271A1 DE 102009028271 A DE102009028271 A DE 102009028271A DE 102009028271 A DE102009028271 A DE 102009028271A DE 102009028271 A1 DE102009028271 A1 DE 102009028271A1
- Authority
- DE
- Germany
- Prior art keywords
- test chamber
- protection device
- carbon dioxide
- test
- coolant
- 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- Withdrawn
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/50—Methods or arrangements for servicing or maintenance, e.g. for maintaining operating temperature
- H01M6/5083—Testing apparatus
-
- 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
- H01M10/4285—Testing apparatus
-
- 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
- H01M10/65—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
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
-
- 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
- H01M10/6569—Fluids undergoing a liquid-gas phase change or transition, e.g. evaporation or condensation
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C99/00—Subject matter not provided for in other groups of this subclass
- A62C99/0009—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
- A62C99/0018—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using gases or vapours that do not support combustion, e.g. steam, carbon dioxide
- A62C99/0027—Carbon dioxide extinguishers
-
- 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
-
- 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)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
Die Erfindung betrifft eine Schutzvorrichtung (10) für eine Testanlage (11), mit einer Prüfkammer (12), in der eine Prüfeinrichtung (15) für wenigstens ein zu testendes und im Schadensfall zu kühlendes Objekt (1) angeordnet ist, mit einer Kühleinrichtung zum Kühlen des wenigstens einen Objekts (1), die einen Kühlmittelspeicher (24) aufweist, der über eine Leitung (27) und vorzugsweise eine Sprüheinrichtung in Wirkverbindung mit dem wenigstens einen Objekt (1) angeordnet ist, und mit einer Sensor des wenigstens einen Objekts (1). Erfindungsgemäß ist es vorgesehen, dass das Kühlmittel Kohlendioxid (5) ist und dass eine Abführeinrichtung (16) vorgesehen ist, die im Schadensfall einen Durchgang der Prüfkammer (12) ausleitet.The invention relates to a protective device (10) for a test system (11), with a test chamber (12) in which a test device (15) for at least one object (1) to be tested and cooled in the event of damage is arranged, with a cooling device for Cooling the at least one object (1), which has a coolant reservoir (24), which is arranged in operative connection with the at least one object (1) via a line (27) and preferably a spray device, and with a sensor of the at least one object ( 1). According to the invention, the coolant is carbon dioxide (5) and a discharge device (16) is provided, which in the event of damage leads out a passage through the test chamber (12).
Description
Stand der TechnikState of the art
Die Erfindung betrifft eine Schutzvorrichtung für eine Testanlage nach dem Oberbegriff des Anspruchs 1.The The invention relates to a protective device for a test facility according to the preamble of claim 1.
Eine
derartige Schutzvorrichtung für eine Testanlage ist aus
der nicht vorveröffentlichten
Offenbarung der ErfindungDisclosure of the invention
Ausgehend von dem dargestellten Stand der Technik liegt der Erfindung die Aufgabe zugrunde, eine Schutzvorrichtung für eine Testanlage nach dem Oberbegriff des Anspruchs 1 derart weiterzubilden, dass sich diese relativ wirtschaftlich günstig und einfach herstellen und betreiben lässt. Diese Aufgabe wird bei einer Schutzvorrichtung für eine Testanlage mit den Merkmalen des Anspruchs 1 gelöst. Der Erfindung liegt dabei die Idee zugrunde, als Kühlmittel Kohlendioxid zu verwenden. Kohlendioxid ist ein gängiges Kühlmittel in der Industrie und somit leicht und zu relativ geringen Kosten beschaffbar. Um zu verhindern, dass das Kohlendioxid beim Kühlen unter seine Sublimationstemperatur von –78,5°C gerät, ist es jedoch erforderlich, entsprechend Vorsorge zu treffen. Dies wird erfindungsgemäß durch eine Absaugeinrichtung realisiert, die im Schadensfall einen Durchgang zur Prüfkammer bildet und Gase aus der Prüfkammer absaugt. Damit lässt sich verhindern, dass in der Prüfkammer die angesprochene Sublimationstemperatur unterschritten wird und gleichzeitig werden die durch das Kohlendioxid verdünnten Schadgase abgeleitet.outgoing from the illustrated prior art, the invention is the Task based, a protection device for a test facility further develop according to the preamble of claim 1 such that These relatively cheap and easy to produce and operate. This task is at a protective device solved for a test system with the features of claim 1. The invention is based on the idea, as a coolant carbon dioxide to use. Carbon dioxide is a common coolant in the industry and thus easily and at relatively low cost procurable. To prevent the carbon dioxide from cooling below its sublimation temperature of -78.5 ° C However, it is necessary to take appropriate precautionary measures hold true. This is inventively by a Suction device realized in the event of damage a passage forms the test chamber and gases from the test chamber sucks. This can prevent that in the test chamber the mentioned sublimation temperature is exceeded and At the same time, the pollutants diluted by the carbon dioxide become derived.
Weitere Vorteile und vorteilhafte Weiterbildungen der erfindungsgemäßen Schutzvorrichtung für eine Testanlage ergeben sich aus den Unteransprüchen. In den Rahmen der Erfindung fallen sämtliche Kombinationen aus zumindest zwei von in der Beschreibung, den Ansprüchen und/oder den Figuren offenbarten Merkmalen.Further Advantages and advantageous developments of the invention Protection device for a test facility arise from the dependent claims. Fall within the scope of the invention all combinations of at least two of in the description, The features disclosed in the claims and / or the figures.
Um eine Personengefährdung zu vermeiden, welche beispielsweise dann auftritt, wenn sich eine Person in der Prüfkammer befindet, während gleichzeitig das Kohlendioxid in die Prüfkammer eingeleitet wird, wird in einer vorteilhaften Weiterbildung der Erfindung vorgeschlagen, dass die Prüfkammer ein insbesondere als Prüfkammertür ausgebildetes Öffnungselement aufweist, das in Wirkverbindung mit einer Steuereinrichtung oder einem Steuerventil für die Sprüheinrichtung angeordnet ist, derart, dass bei geöffnetem Öffnungselement das Einbringen von Kohlendioxid in die Prüfkammer unterbunden ist.Around to avoid a danger to people, which for example then occurs when a person is in the test chamber while at the same time the carbon dioxide in the Test chamber is introduced, is in an advantageous Further development of the invention proposed that the test chamber an opening element designed in particular as a test chamber door having, in operative connection with a control device or a control valve for the spray arranged is, such that when the opening element is open prevented the introduction of carbon dioxide into the test chamber is.
Insbesondere kann es dabei vorgesehen sein, dass das Stoppen der Sprüheinrichtung ab einer bestimmten in die Prüfkammer bereits eingebrachten Kühlmittelmenge, beispielsweise ab 6 kg, erfolgt. Die Beschränkung auf eine bestimmte Kühlmittelmenge erfolgt dabei insbesondere aus gesetzlichen Vorschriften. Jedoch kann es vorteilhaft sein, die gesetzlich maximal zulässige Kühlmittelmenge auszuschöpfen, damit ein maximaler Kühleffekt erzielt wird, bis die Kühlmittelzufuhr unterbunden wird.Especially it may be provided that the stopping of the spray from a certain already introduced into the test chamber Coolant amount, for example from 6 kg, takes place. The restriction to a certain amount of coolant takes place in particular out of legal regulations. However, it may be beneficial to the to exhaust the maximum permissible amount of coolant by law, so that a maximum cooling effect is achieved until the coolant supply is prevented.
Darüber hinaus kann es vorgesehen sein, dass das Öffnungselement mittels einer Kontrolleinrichtung überwacht wird und, dass bei Anwesenheit von Personen in der Prüfkammer die Ausbringung von Kühlmittel aus dem Kühlmittelspeicher und der Betrieb der Festanlage unterbunden sind.About that In addition, it may be provided that the opening element is monitored by a control device and that in the presence of persons in the test chamber, the application of Coolant from the coolant reservoir and operation the fixed installation are prevented.
Eine konstruktiv einfache Umsetzung einer Abführeinrichtung lässt sich erzielen, wenn die Abführeinrichtung als Abzugskamin ausgebildet ist, in dem ein Verschließelement angeordnet ist. Durch die Verwendung eines Verschließelements lassen sich beim Normalbetrieb der Testanlage, bei der diese insbesondere als Temperaturkammer ausgebildet ist, die Wärmeverluste aus der Temperaturkammer vermindern.A structurally simple implementation of a discharge device can be achieved if the discharge device is designed as a fume hood, in which a closing element is arranged. By using a closing element can be during normal operation of the test facility, in which this particular is designed as a temperature chamber, the heat losses decrease from the temperature chamber.
Insbesondere vorteilhaft ist es, wenn das Verschließelement als Berstscheibe ausgebildet ist. Derartige Berstscheiben sind zertifizierbar auf bestimmte Überdrücke und daher lässt sich eine besonders hohe Prozesssicherheit der Testanlage erzielen.Especially It is advantageous if the closing element as rupture disk is trained. Such rupture discs are certifiable certain overpressures and therefore lets Achieve a particularly high process reliability of the test facility.
Zur Erfassung des Schadensfalles an den zu testenden Objekten eignen sich insbesondere Gasdetektoren, insbesondere Kohlenwasserstoffsensoren oder Kohlenmonoxidsensoren bzw. Temperatursensoren.to Detecting the damage to the objects to be tested are suitable in particular gas detectors, in particular hydrocarbon sensors or carbon monoxide sensors or temperature sensors.
Um den Betriebszustand der Schutzvorrichtung überwachen zu können, ist es darüber hinaus in einer weiteren vorteilhaften Ausgestaltung der Erfindung vorgesehen, dass der Füllstand des Kühlmittelspeichers mittels einer insbesondere als Wiegeeinrichtung ausgebildeten Überwachungseinrichtung erfasst und der Steuereinrichtung als Eingangssignal zugeführt wird.To the operating state of Schutzvorrich In addition, in a further advantageous embodiment of the invention, it is provided that the fill level of the coolant reservoir is detected by means of a monitoring device designed in particular as a weighing device and fed to the control device as an input signal.
Besonders große Mengen an Kohlendioxid auf relativ engem Raum lassen sich speichern, wenn das Kohlendioxid in dem Kühlmittelspeicher in flüssiger Form gespeichert ist. Dadurch lassen sich herkömmlich verwendete Kohlendioxidgasflaschen verwenden.Especially Leave large amounts of carbon dioxide in a relatively small space store when the carbon dioxide in the coolant reservoir stored in liquid form. This can be done use conventionally used carbon dioxide gas cylinders.
Besonders bevorzugt ist es, die Schutzvorrichtung bei einem Batterietest zum Testen von Lithium-Ionen-Batterien zu verwenden.Especially it is preferred that the protective device in a battery test for Testing lithium-ion batteries.
Weitere Vorteile, Merkmale und Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung bevorzugter Ausführungsbeispiele sowie anhand der Zeichnung.Further Advantages, features and details of the invention will become apparent the following description of preferred embodiments as well as the drawing.
Diese zeigtThese shows
In der einzigen Figur eine vereinfachte Darstellung einer erfindungsgemäßen Schutzvorrichtung für eine Testanlage im Längsschnitt.In the single figure is a simplified representation of an inventive Protective device for a test facility in longitudinal section.
In
der Figur ist eine Schutzvorrichtung
Im
Inneren der Prüfkammer
Die
Prüfkammer
Die
Schutzvorrichtung
Mittels
eines Tauchrohres
Das
Ventil
Weiterhin
ist beispielsweise eine Wiegeeinrichtung
Die
soweit beschriebene Schutzvorrichtung
Insbesondere
ist vorgesehen, dass bei einem typischen Schadensfalls in die Prüfkammer
Sollte
während des. Schadensfalls die Prüfkammertür
Ferner
wird über die weitere Steuerleitung
ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES 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 The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- - DE 102008042135 A1 [0002] DE 102008042135 A1 [0002]
Claims (10)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009028271A DE102009028271A1 (en) | 2009-08-06 | 2009-08-06 | Protection device for a test facility |
PCT/EP2010/061048 WO2011015515A1 (en) | 2009-08-06 | 2010-07-29 | Protection device for an inspection installation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009028271A DE102009028271A1 (en) | 2009-08-06 | 2009-08-06 | Protection device for a test facility |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102009028271A1 true DE102009028271A1 (en) | 2011-02-10 |
Family
ID=42635104
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102009028271A Withdrawn DE102009028271A1 (en) | 2009-08-06 | 2009-08-06 | Protection device for a test facility |
Country Status (2)
Country | Link |
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DE (1) | DE102009028271A1 (en) |
WO (1) | WO2011015515A1 (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012136357A3 (en) * | 2011-04-08 | 2013-01-03 | Daimler Ag | Device and method for checking the leak-tightness of an electrochemical energy accumulator |
FR2997231A1 (en) * | 2012-10-18 | 2014-04-25 | IFP Energies Nouvelles | Emergency cooling system for lithium-ion battery of e.g. hybrid car, has fluid cartridge connected to gas diffusion device, and visual checking unit for checking operating condition of fluid cartridge and comprising luminous indicator |
EP2804188A1 (en) * | 2013-05-17 | 2014-11-19 | Hamilton Sundstrand Corporation | Electrical storage device thermal management systems |
DE102013017068A1 (en) | 2013-10-15 | 2015-04-16 | Daimler Ag | A method for terminating a thermal reaction in an energy storage device |
CN105169586A (en) * | 2015-09-29 | 2015-12-23 | 上海博笃实业有限公司 | Fire extinguishing system |
AT519420A1 (en) * | 2016-11-15 | 2018-06-15 | Avl List Gmbh | METHOD FOR MONITORING AND PROTECTING AN ELECTROCHEMICAL DEVICE |
CN108704228A (en) * | 2018-06-04 | 2018-10-26 | 上海应用技术大学 | The security protection system of lithium battery test box |
DE102018114183A1 (en) | 2018-06-13 | 2019-12-19 | Hofer Mechatronik Gmbh | Test facility for electrochemical converters and operating methods therefor |
WO2020160765A1 (en) * | 2019-02-06 | 2020-08-13 | Abb Schweiz Ag | Unit to test and/or charge battery cells or battery modules for electrical vehicles |
CN112151710A (en) * | 2019-06-28 | 2020-12-29 | 比亚迪股份有限公司 | Battery package thermal safety structure, battery package thermal management system and vehicle |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104001297B (en) * | 2014-05-21 | 2016-08-24 | 中国南方电网有限责任公司调峰调频发电公司 | A kind of lithium ion battery fire-fighting experiment cabinet carrying automatic alarm and fire extinguishing system |
CN109786891B (en) * | 2019-01-11 | 2020-06-30 | 台州职业技术学院 | New forms of energy power automobile group battery air cooling structure |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008042135A1 (en) | 2008-09-16 | 2010-03-18 | Robert Bosch Gmbh | battery test |
Family Cites Families (7)
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DE10104320A1 (en) * | 2001-01-25 | 2002-08-01 | Univ Schiller Jena | Device for performing safety functions in rooms with high-frequency radiation |
US7270910B2 (en) * | 2003-10-03 | 2007-09-18 | Black & Decker Inc. | Thermal management systems for battery packs |
JP4902164B2 (en) * | 2005-09-28 | 2012-03-21 | 三洋電機株式会社 | Power supply |
JP2007296146A (en) * | 2006-04-28 | 2007-11-15 | Kenseisha:Kk | Automatic fire extinguishing device in production facility equipment |
DE202008007663U1 (en) * | 2008-06-09 | 2008-09-04 | Avl List Gmbh | Batterieprüfanlage |
WO2010025761A1 (en) * | 2008-09-02 | 2010-03-11 | Abb Research Ltd | System and method for fire protection |
EP2216843A1 (en) * | 2009-02-10 | 2010-08-11 | Autoliv Development Ab | A safety arrangement for a motor vehicle |
-
2009
- 2009-08-06 DE DE102009028271A patent/DE102009028271A1/en not_active Withdrawn
-
2010
- 2010-07-29 WO PCT/EP2010/061048 patent/WO2011015515A1/en active Application Filing
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008042135A1 (en) | 2008-09-16 | 2010-03-18 | Robert Bosch Gmbh | battery test |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012136357A3 (en) * | 2011-04-08 | 2013-01-03 | Daimler Ag | Device and method for checking the leak-tightness of an electrochemical energy accumulator |
EP2695228A2 (en) * | 2011-04-08 | 2014-02-12 | Daimler AG | Device and method for checking the leak-tightness of an electrochemical energy accumulator |
FR2997231A1 (en) * | 2012-10-18 | 2014-04-25 | IFP Energies Nouvelles | Emergency cooling system for lithium-ion battery of e.g. hybrid car, has fluid cartridge connected to gas diffusion device, and visual checking unit for checking operating condition of fluid cartridge and comprising luminous indicator |
US9912021B2 (en) | 2013-05-17 | 2018-03-06 | Hamilton Sundstrand Corporation | Electrical storage device thermal management systems |
EP2804188A1 (en) * | 2013-05-17 | 2014-11-19 | Hamilton Sundstrand Corporation | Electrical storage device thermal management systems |
DE102013017068A1 (en) | 2013-10-15 | 2015-04-16 | Daimler Ag | A method for terminating a thermal reaction in an energy storage device |
CN105169586A (en) * | 2015-09-29 | 2015-12-23 | 上海博笃实业有限公司 | Fire extinguishing system |
AT519420A1 (en) * | 2016-11-15 | 2018-06-15 | Avl List Gmbh | METHOD FOR MONITORING AND PROTECTING AN ELECTROCHEMICAL DEVICE |
CN108704228A (en) * | 2018-06-04 | 2018-10-26 | 上海应用技术大学 | The security protection system of lithium battery test box |
DE102018114183A1 (en) | 2018-06-13 | 2019-12-19 | Hofer Mechatronik Gmbh | Test facility for electrochemical converters and operating methods therefor |
WO2020160765A1 (en) * | 2019-02-06 | 2020-08-13 | Abb Schweiz Ag | Unit to test and/or charge battery cells or battery modules for electrical vehicles |
CN112151710A (en) * | 2019-06-28 | 2020-12-29 | 比亚迪股份有限公司 | Battery package thermal safety structure, battery package thermal management system and vehicle |
CN112151710B (en) * | 2019-06-28 | 2022-09-09 | 比亚迪股份有限公司 | Battery package thermal safety structure, battery package thermal management system and vehicle |
Also Published As
Publication number | Publication date |
---|---|
WO2011015515A1 (en) | 2011-02-10 |
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