WO2011033293A1 - Unité d'alimentation électrique et de stockage de données - Google Patents

Unité d'alimentation électrique et de stockage de données Download PDF

Info

Publication number
WO2011033293A1
WO2011033293A1 PCT/GB2010/051536 GB2010051536W WO2011033293A1 WO 2011033293 A1 WO2011033293 A1 WO 2011033293A1 GB 2010051536 W GB2010051536 W GB 2010051536W WO 2011033293 A1 WO2011033293 A1 WO 2011033293A1
Authority
WO
WIPO (PCT)
Prior art keywords
vehicle
battery
power unit
data
mission
Prior art date
Application number
PCT/GB2010/051536
Other languages
English (en)
Inventor
Andrew Tonge
Brian George Gough
Original Assignee
Bae Systems Plc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from GB0916070A external-priority patent/GB0916070D0/en
Priority claimed from EP09275077A external-priority patent/EP2306551A1/fr
Application filed by Bae Systems Plc filed Critical Bae Systems Plc
Publication of WO2011033293A1 publication Critical patent/WO2011033293A1/fr

Links

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
    • H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
    • 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
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • 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
    • H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
    • 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
    • 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

Definitions

  • the present invention relates to a modular power unit for an unmanned underwater vehicle.
  • An unmanned underwater vehicle may be used to undertake a variety of different missions.
  • circumstances may be presented that require a larger power unit to be fitted to the vehicle to extend the operation of the vehicle even if said increase in power results in an increased weight which, in turn, represents a reduction in efficiency.
  • Certification of power units to be used in extreme environments can be onerous, time consuming and expensive. It is, therefore, desirable to develop a power unit having enhanced flexibility which is able to readily balance longevity/duration with weight of the overall vehicle rather than having to achieve certification of a number of different power units.
  • the present invention provides a power and data storage unit comprising:
  • data storage means mounted on the first battery, configured to receive data from a device powered by the unit.
  • a flexibility of operation can be achieved whereby data gathered throughout a mission undertaken by a device comprising the unit can be transferred to the data storage means during the mission.
  • the data storage means together with its contents can be rapidly replaced together with the power unit thus avoiding the need for an onerous transfer period at the base station. Rather, the vehicle can be re-launched to continue its mission or begin a new mission within minutes, preferably thirty minutes, of returning to the base station at the end of a previous mission.
  • the power unit may comprise a second battery, interconnecting means located between the first battery and the second battery for providing an electrical connection therebetween and sealing means, positioned about the first and second batteries, to inhibit water ingress into the power unit.
  • the unit may be configured to enable substantially simultaneous charging of each battery.
  • The, or each, battery may be a lithium battery.
  • the device may be a maritime vehicle. Accordingly, there may be provided an unmanned underwater vehicle, comprising a power unit of the aforementioned type, the vehicle may comprise a data port to which the data storage means can be connected to effect transfer of data between the vehicle and the data storage means.
  • Figure 1 represents an isometric view of a cross section of an unmanned underwater vehicle (UUV) taken on the centre line of said vehicle;
  • UUV unmanned underwater vehicle
  • Figure 2 represents a side view of the modular power unit illustrated in Figure 1 ;
  • Figure 3 represents a rearmost isometric view of a single module of the power unit of Figure 1 ;
  • Figure 4 represents a front view of the module illustrated in Figure 3;
  • Figure 5 represents a separation plate located between each power module
  • Figure 6 represents cross section of a separation plate having two peripheral covers connected thereto.
  • FIG. 1 illustrates a cut away portion of an unmanned underwater vehicle (UUV) 10 of the type having a support plate 20 to provide structural rigidity for the vehicle 10.
  • UUV unmanned underwater vehicle
  • power is provided by modular power unit 30 centrally located at a rearmost portion of the vehicle 10 as shown.
  • the modular power unit 30 is illustrated in greater detail in Figures 2 to 6.
  • the modular power unit 30 comprises a number of connectable modules
  • each module 32 comprises a battery 34 (more clearly shown in Figure 2).
  • each battery 34 is provided by a single lithium battery, however, each battery 34 may comprise more than one individual cells wired together in series or parallel or a combination thereof.
  • a first module 32a comprises a data logging device 36 having a cable 38 attached thereto to facilitate connectivity to an interface block 40 mounted within the vehicle 10.
  • the cable 38 is releasably connected to the interface block 40 via cooperative connectors (not shown) e.g. a plug and socket arrangement.
  • Each module 32 comprises a separation plate 42 and a peripheral cover 44.
  • the module 32e represented in Figure 3 is the rearmost module, and thus comprises an end plate 46.
  • the separation plate 42 is shown in more detail in Figures 5 and 6.
  • the separation plate 42 comprises an external rim 48 describing the same locus as the peripheral cover 44.
  • a rebate 50 is provided adjacent to the external rim 48, the rebate 50 is configured to receive a first peripheral cover 44.
  • a second rebate 52 is provided on an opposing surface of the separation plate 42 and is configured to receive a second peripheral cover 44. Grooves for receiving a sealing member such as an o-ring are, preferably, formed in each rebate as illustrated and/or in a corresponding portion of each peripheral cover 44.
  • a modular construction is, therefore, assembled to form the modular power unit 30.
  • the power unit 30 can thus be tailored, as required, for any particular configuration or layout of UUV 10 provided to perform any particular mission.
  • a UUV 10 of the aforementioned type is preferably provided with five such modules 32 but is generally intended to be operated with three modules 32 installed in the UUV for the majority of missions. It will be appreciated, however, that under extreme circumstances it is desirable to install more modules, say five or even seven, to accommodate the mission requirements. Furthermore, it may be desirable to provide fewer modules 32, say one or two. Such modifications can readily be undertaken at a launch site of the vehicle 10. The flexibility of a modular power unit 30 as herein described is clearly quite advantageous.
  • the configuration of connectivity between the modules 32 enables each battery 34 to be charged individually and, as a consequence, the charging time is the same whether a single module or five modules are being charged in any one period. Whilst additional power is required to achieve this, valuable time between missions can be kept to a minimum and, as such, this feature represents a particular advantage in the field.
  • a mission plan is downloaded from a base station, from which the vehicle is launched, to an internal data storage device of the vehicle 10 via an external data link.
  • the vehicle 10 is preferably powered by an external source.
  • a modular power unit 30 of the aforementioned type is connected to the vehicle 10.
  • the modular power unit 30 comprises a data logger 36 pre-formatted with blank files, ready to receive data acquired during the mission.
  • the mission plan may be downloaded from the base station to data logger 36 and transferred to the internal data storage device once the modular power unit 30 is connected to the vehicle.
  • the vehicle 10 is then launched into the water, the mission is undertaken and data is acquired and stored by the vehicle. If the vehicle 10 is operated in a supervisory mode, some of the acquired data may be monitored either intermittently or continuously by an operator located at the base station. Key data, such as attitude and navigation parameters and system status and health is recorded to the vehicle's internal data storage device but the acquired data, such as acoustic and/or optical sensor data together with a copy of the associated navigation data and time (for reconstruction purposes) may be written to the internal data storage device of the vehicle 10 but are also written to the removable data logger 36 either at the time of acquisition or whilst the vehicle 10 is returning to the base station.
  • Key data such as attitude and navigation parameters and system status and health is recorded to the vehicle's internal data storage device but the acquired data, such as acoustic and/or optical sensor data together with a copy of the associated navigation data and time (for reconstruction purposes) may be written to the internal data storage device of the vehicle 10 but are also written to the removable data logger 36 either at the time of acquisition
  • the expended modular power unit 30 Upon recovery of the vehicle 10, the expended modular power unit 30 is removed from the vehicle 10 and is replaced by a new unit 30 which is fully charged and comprises a blank data logger 36, pre-formatted with blank files.
  • the data logger 36 may also be pre-loaded with the updated or new mission plan to further reduce time between recovery and launch of the vehicle 10, the so called "turnaround" time of the vehicle. In so doing, the turnaround time of the vehicle is preferably reduced to a 30 minute interval.
  • Content of the data logger 36 may be accessed in isolation of the vehicle 10 thus enabling subsequent operations to be undertaken (i.e. collection of new data) whilst data analysis of a previous mission is being undertaken.
  • the vehicle 10 may return to the same field to continue a mission after having to return to replenish its power supply or additional detailed analysis may be necessary at a mid-point of a mission, and so the earlier less detailed data may be returned for analysis whilst the detailed part of the mission is undertaken.
  • a first mission may have been finished and it is imperative that a second mission is undertaken without any delay (that may be associated with the time taken to download the data acquired from the first mission).
  • the technique and apparatus of the present invention permits information to be returned and analysed substantially immediately, so that some information can be analysed whilst other information is still being collected. This is in contrast to conventional data collection, whereby a delay would be incurred whilst the vehicle completes a potentially longer mission and then all data is downloaded from the vehicle before it can be re-launched to undertake a subsequent mission. Flexibility in strategy is, therefore, enhanced.
  • a flexibility of operation can be achieved whereby the capacity of the power unit is adjusted to parameters of the particular mission to be undertaken.
  • a data port to which data storage means can be connected, data gathered throughout the mission can be transferred to the data storage means during the mission.
  • the data storage means together with its contents can be rapidly replaced together with the power unit thus avoiding the need for an onerous transfer period at the base station. Rather, the vehicle can be re-launched to continue its mission or begin a new mission within minutes of returning to the base station at the end of a previous mission.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

L'unité d'alimentation électrique et de stockage de données de l'invention comprend une première batterie combinée à des moyens de stockage de données. Ces moyens de stockage de données sont montés sur la première batterie et sont conçus pour recevoir des données d'un dispositif alimenté par l'unité.
PCT/GB2010/051536 2009-09-15 2010-09-14 Unité d'alimentation électrique et de stockage de données WO2011033293A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP09275077.7 2009-09-15
GB0916070.6 2009-09-15
GB0916070A GB0916070D0 (en) 2009-09-15 2009-09-15 Power and data unit
EP09275077A EP2306551A1 (fr) 2009-09-15 2009-09-15 Unité de données et de puissance

Publications (1)

Publication Number Publication Date
WO2011033293A1 true WO2011033293A1 (fr) 2011-03-24

Family

ID=42937084

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2010/051536 WO2011033293A1 (fr) 2009-09-15 2010-09-14 Unité d'alimentation électrique et de stockage de données

Country Status (1)

Country Link
WO (1) WO2011033293A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6291966B1 (en) * 1999-01-27 2001-09-18 Telefonaktiebolaget Lm Ericsson Method and an apparatus for storing and communicating battery information
WO2002064423A1 (fr) * 2001-02-13 2002-08-22 Stn Atlas Elektronik Gmbh Corps sous-marin autopropulse
EP1641066A2 (fr) * 2004-09-22 2006-03-29 Howaldtswerke-Deutsche Werft GmbH Ensemble de batteries d'un sous-marin
US20070024234A1 (en) * 2003-12-11 2007-02-01 Potter Calvin C Unmanned underwater vehicle fuel cell powered charging system and method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6291966B1 (en) * 1999-01-27 2001-09-18 Telefonaktiebolaget Lm Ericsson Method and an apparatus for storing and communicating battery information
WO2002064423A1 (fr) * 2001-02-13 2002-08-22 Stn Atlas Elektronik Gmbh Corps sous-marin autopropulse
US20070024234A1 (en) * 2003-12-11 2007-02-01 Potter Calvin C Unmanned underwater vehicle fuel cell powered charging system and method
EP1641066A2 (fr) * 2004-09-22 2006-03-29 Howaldtswerke-Deutsche Werft GmbH Ensemble de batteries d'un sous-marin

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