EP4244931A1 - Batterieraum eines unterseebootes mit einer sammelschiene - Google Patents
Batterieraum eines unterseebootes mit einer sammelschieneInfo
- Publication number
- EP4244931A1 EP4244931A1 EP21802637.5A EP21802637A EP4244931A1 EP 4244931 A1 EP4244931 A1 EP 4244931A1 EP 21802637 A EP21802637 A EP 21802637A EP 4244931 A1 EP4244931 A1 EP 4244931A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- conductor
- conductor rail
- busbar
- module
- thickness
- 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.)
- Pending
Links
Classifications
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/507—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising an arrangement of two or more busbars within a container structure, e.g. busbar modules
-
- 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
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
-
- 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
- H01M50/298—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the wiring of battery packs
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G5/00—Installations of bus-bars
- H02G5/06—Totally-enclosed installations, e.g. in metal casings
- H02G5/061—Tubular casings
-
- 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 invention relates to a busbar in a battery compartment of a submarine.
- the environmental conditions on a submarine are often designed to have significantly larger fluctuations.
- the pressure inside a submarine varies significantly more than the air pressure on land.
- the individual cell of a lead-acid battery can be made comparatively large.
- Lithium-based cells are smaller and are therefore regularly combined in modules.
- lead-acid batteries are therefore regularly connected in series.
- a higher voltage is achieved within a module, so that the modules can also be connected in parallel.
- the problem often arises that the electrical connection is no longer made from battery to battery, but that a central busbar is required to conduct the electrical energy, which, however, has to be integrated into the small available space of the battery room.
- EP 1 154 535 B1 discloses a busbar system for electrical power transmission in a design with a low magnetic leakage field.
- WO 2005/106903 A1 discloses a connecting lug for connecting feeder lines to busbars.
- a flat wiring structure is known from US Pat. No. 10,734,796 B2.
- the object of the invention is to provide a busbar for a battery room in a submarine, which thus enables an optimum between electromagnetic shielding and mountability in spatially extremely cramped areas.
- This object is achieved by the busbar module with the features specified in claim 1 and by the battery compartment with the features specified in claim 9.
- the busbar module according to the invention has a first conductor bar, a second conductor bar and a third conductor bar.
- the first conductor rail, the second conductor rail and the third conductor rail are flat.
- the conductor rails are designed as a flat, rectangular metal strip.
- the conductor rails are arranged parallel one above the other, ie in such a way that the flat sides are arranged relative to one another.
- the conductor rails consist, for example and preferably, of copper.
- a conductor rail has a length of 1 m to 2 m, a width of 5 cm to 30 cm and a thickness of 5 mm to 50 mm, preferably 1 m to 2 m, a width of 5 cm to 20 cm and a thickness of 5 mm to 20 mm. Since currents of several hundred or several thousand amperes should flow at voltages from 500 V to 2 kV, such a massive design is preferred in order to minimize the resistance.
- the second conductor bar is arranged over the first conductor bar and the third conductor bar is arranged over the second conductor bar.
- the first conductive bar has a first thickness and the third conductive bar has a third thickness.
- the second conductive bar has a second thickness.
- the second thickness is equal to the sum of the first thickness and the third thickness.
- the first busbar and the third busbar are electrically connected to each other. From this it follows that a first pole is arranged above and below the second pole. Furthermore, the same currents of both poles result in the same thickness of conductor rail being available in total with the same material and thus in the end the electrical resistance is kept the same.
- the sandwich-like structure minimizes the emission of an electromagnetic field.
- the first conductor rail and the third conductor rail can be electrically connected to one another, for example by means of a cable or a rigid connecting element.
- the rigid connecting element can have the first thickness.
- the conductor rails are preferably held at a distance from one another by means of electrically insulating holders.
- the conductor rails can be fixed to a housing or a support structure via holders. In this case, at least the second conductor rail or the first conductor rail and the third conductor rail are fastened by means of an electrically insulating holder.
- the first conductor rail, the second conductor rail and the third conductor rail have a first width, the first conductor rail, the second conductor rail and the third conductor rail being arranged in such a way that the lateral surfaces of the conductor rails each lie in one area .
- the conductor rails are right-angled hexahedrons, the largest areas in terms of area are adjacent to one another and thus arranged parallel to one another on top of one another, the areas in the middle in terms of area form the side surfaces and in this arrangement are then all arranged on one side in a first plane and arranged on the opposite side in a second plane.
- the faces of the right-angled hexahedron, which are the smallest in terms of area, then form the end faces.
- the conductor rails are designed as wide strips, similar to a board. These three conductor rails are preferably of the same length and width. These three conductor rails are stacked one on top of the other like boards, with the conductor rails being at a distance from one another.
- the first conductor rail and the third conductor rail are preferably arranged exactly one above the other, so that the corner points of the first conductor rail and the third conductor rail are arranged vertically one above the other. More preferably, the second conductor rail is offset slightly in the longitudinal direction relative to the other two.
- the first conductor bar and the third conductor bar have a first thickness.
- the second conductive bar has a second thickness, the second thickness being twice the first thickness, which is thus equal to the sum of the first thickness and the third thickness.
- the first conductor bar, the second conductor bar and the third conductor bar are surrounded by a housing made of an electrically conductive material. In this context, surrounded means that the housing is open at the ends in order to be able to connect several busbar modules to one another.
- the housing Surrounding the conductor rails with a conductive material leads to further shielding and thus to a reduction of the electromagnetic signature of the submarine as well as protection against contact and environmental influences such as water or dust. If no other rail is connected to one end of the housing, the housing can also be closed there. For this purpose, a terminating piece is preferably attached in order to close the last busbar module.
- the housing can be used in particular to ensure protection against contact, dust or water. Protection is divided into IP classes according to ISO 20653 or DIN EN 60529. In this case, the housing serves to achieve these protection IP classes.
- Electrically insulating holders can be arranged on the first conductor rail and the third conductor rail. These electrically insulating holders are arranged between the first conductor bar and the housing and between the third conductor bar and the housing. The housing is thus connected to the holders.
- the holders are preferably connected to the housing via a holder frame, with the holder frame extending over the entire width of the housing. More preferably, the electrically insulating holders are also arranged between the first conductor track and the second conductor track and between the second conductor track and the third conductor track, which fix the conductor rails in height relative to one another.
- the busbar module has conductor rail connection elements, with a first first conductor rail connection element for connecting two first conductor rails and a second first conductor rail connection element for connecting two third Conductor rails are formed.
- a second conductor rail connection element is designed to connect two second conductor rails.
- the conductor rail connection elements are preferably designed in such a way that the electrical connection is already established by sliding two busbar modules into one another.
- the conductor rail connecting elements can also be part of the conductor rails themselves, for example in that one end of the conductor rail is bent downwards and the other end is bent upwards, so that adjacent conductor rails lie flat against one another in this area.
- the busbar module has two first H-shaped clamping modules and a second H-shaped clamping module.
- the first H-shaped clamping module is configured to clamp onto an object having the first thickness and the second H-shaped clamping module is configured to clamp onto an object having the second thickness.
- a first H-shaped clamping module is clamped onto the first conductor rail, a second H-shaped clamping module is clamped onto the second conductor rail, and a first H-shaped clamping module is clamped onto the third conductor rail.
- This clamping connection has two main advantages. On the one hand, a comparatively large connection area is provided via the H-shaped clamp connection, so that the contact resistance can be minimized.
- a clamped connection can be established comparatively easily, even under cramped conditions, by pushing the busbar modules into one another. Other tools and actions are not required. At the same time, there is also the possibility of easier removal if the busbar has to be dismantled again, for example to replace a defective battery module. Therefore, welds, while capable of lower resistance, would not be preferred. Screw connections could also be difficult, since space then has to be provided for the tool for assembly and disassembly, which unnecessarily enlarges the busbar module. Therefore, the clamp connection represents an optimum for the cramped situation in a battery room of a submarine.
- the housing has at least two comb-shaped holding elements.
- the comb-shaped holding elements have three comb recesses, the comb recesses of the comb-shaped holding elements for receiving the conductor rails are formed.
- the conductor rails which are preferably already fixed relative to one another by the holders, are then pushed into the comb-shaped holding elements arranged in the housing and are thereby fixed in a very stable manner, even in the event of a shock.
- first conductor rail and the third conductor rail are arranged one above the other in the longitudinal direction such that the lateral surfaces of the conductor rails are each arranged in one area.
- the second conductor rail is offset in the longitudinal direction, in particular offset by the length of one of the conductor rail connection elements, preferably by the length of the first H-shaped clamping module or the second H-shaped clamping module. The offset creates space and distance between the clamps in height, thus gaining space in the overall height of the component.
- the busbar module has a first, a second, a third and a fourth electrical connection.
- the first, the second, the third and the fourth electrical connection are arranged at the four corners of a rectangle, for example and preferably a square.
- the first electrical connection is connected to the first conductor bar
- the second and the third electrical connection are connected to the second conductor bar
- the fourth electrical connection is connected to the third conductor bar.
- the first electrical connection and the fourth electrical connection are diagonally opposite one another, and the second electrical connection and the third electrical connection are also diagonally opposite one another.
- a low-leakage connecting cable can be used, which connects a battery string to the busbar, in which four wires are used, with the different poles being directly adjacent to one another and the same poles being diagonally opposite one another.
- the second and the third electrical connection would be redundant, so one would be dispensable if the connections of the relevant pole were connected to a common electrical connection.
- this additional connection allows the connection cable to be designed with low stray fields.
- the first conductor rail, the second conductor rail and the third conductor rail are arranged in a housing.
- the housing is open in the longitudinal direction at both ends. This allows the busbar modules to be connected to one another.
- the housing is shaped in such a way that one end of the housing of a first busbar module can be pushed into the opposite end of the housing of a second busbar module. This facilitates assembly under the very cramped conditions of the battery room.
- the housing has a connecting element which engages over two adjacent housings and the two adjacent housings can thereby be connected.
- the connecting element is particularly preferably a displaceable connecting element which is arranged above the housing and can be brought over another adjacent housing by sliding, so that these two housings can then be connected to one another via the connecting element.
- the invention relates to a battery compartment of a submarine.
- the battery room has a large number of battery strings, with each battery string being made up of three to ten battery modules.
- a plurality of secondary elements preferably based on lithium, are electrically connected at least partially in series in order to achieve a high voltage.
- a number of series-connected groups of secondary elements can also be connected in parallel with one another.
- the battery modules have a longitudinal direction.
- the battery module thus has a first length in the longitudinal direction.
- the longitudinal direction of the battery modules is arranged parallel to the longitudinal direction of the submarine.
- the battery strings are connected to the vehicle electrical system via a busbar, with the busbar preferably being made up of busbar modules according to the invention.
- the busbar modules have a second length.
- the second length is the length of the busbar in the longitudinal direction, i.e. its greatest horizontal extent.
- the busbar modules are arranged with their longitudinal direction parallel to the longitudinal direction of the submarine.
- the second length is an integer multiple of the first length plus that Longitudinal distance between the battery strings.
- the length of the busbar modules is therefore matched to the length of the battery modules. This improves the modular character, in particular for retrofitting in existing submarines. In this way, the right number of battery strings and busbar modules can be easily installed in different boats with different lengths. In addition, this achieves a length that can be introduced at least through the same hatch as the battery modules.
- the second length corresponds to the first length plus the distance between the battery strings or twice the first length plus the distance between the battery strings. With greater lengths, access to the hatch is made more difficult, which makes retrofitting more difficult.
- the length preferably corresponds at most to the clear height of the battery compartment. It is therefore essential here to coordinate the dimensions of the busbar module with the geometry of the battery strings.
- the conductor rails of the busbar are connected to the vehicle electrical system via flexible conductor tracks.
- This connection ensures the connection even in the event of a shock.
- thermal expansions for example due to different temperatures generated by different currents, can also be compensated for in this way.
- This also enables a more flexible connection to the vehicle electrical system, for example to be able to react more flexibly to differences in height in the connection area. Therefore, in this embodiment, the busbar with all busbar modules is connected to the pressure hull of the submarine via shock-proof bearings.
- the busbar module according to the invention is particularly preferably used to connect the strings of battery modules to the on-board network after the conversion of a battery room of a submarine equipped with lead-acid batteries to battery modules based on lithium.
- the busbar module thus serves in particular as a retrofit component in order to convert a submarine previously equipped with lead-acid batteries for the use of lithium batteries and thus in particular to increase the submerged range.
- the first conductor bar and the third conductor bar are connected to one another by an electrical connection. This is intended to ensure that the first conductor rail and the third conductor rail are at the same potential and have the same current flow.
- the electrical connection preferably has the lowest possible electrical resistance.
- the electrical connection compensates. It is therefore advantageous if the electrical connection is as close as possible to the point of infeed in order to be able to compensate for the differences as quickly as possible.
- busbar module according to the invention is explained in more detail below with reference to an exemplary embodiment illustrated in the drawings.
- Fig. 2 busbar module with transparent front wall
- FIGS. 2 and 3 show an identical busbar module 10 from slightly different perspectives. The description of the busbar module 10 is carried out jointly below with reference to FIGS. 1 , 2 and 3 together and not separately according to the figures.
- the second conductor rail 30 is arranged in the middle, which is surrounded laterally aligned above and below by the first conductor rail 10 and the third conductor rail 40 .
- the second conductor rail 30 is twice as thick as the first conductor rail 20 or the third conductor rail 40, so that the first conductor rail 20 and the third conductor rail 40 are just as thick in total as the second conductor rail 30 and thus have the same electrical resistance.
- the electrical connection 110 between the first conductor rail 20 and the third conductor rail 40 ensures that they are at the same potential and have the same current flow, and electromagnetic radiation is thus minimized.
- a first H-shaped clamping module 120 is arranged on the right side of the first conductor rail 20 in the figure, a second H-shaped clamping module 130 is arranged on the second conductor rail 30 and a first H-shaped clamping module 140 is arranged on the third conductor rail 40 .
- the housing 90 has a housing extension 92 on this side, so that another module can be plugged in relatively easily here and an electrical connection of all the conductor rails 20, 30, 40 and the housing 90 is established, which greatly simplifies assembly under cramped conditions simplified.
- Insulators are arranged between the conductor rails 20, 30, 40 to increase stability. These can be made of rubber, for example, and thus have an additional elastic bearing in the event of a shock.
- the electrical connections 50, 60, 70, 80 are connected to the conductor rails 20, 30, 40 as follows: the first electrical connection 50 is connected to the first conductor rail 20 at the bottom left, and the second electrical connection 60 is connected at the bottom right connected to the second conductor rail 30, the third electrical connection 70 is connected to the second conductor rail 30 at the top left and the fourth electrical connection 80 is connected to the third conductor rail 40 at the top right.
- the square in which the electrical connections 50, 60, 70, 80 are arranged can also be arranged rotated by 45°, for example.
- a battery room of a submarine is shown in Fig. 4, more specifically one corner of the battery room is shown.
- battery modules 200 can be seen, which are arranged in a stepped manner due to the shape of the surrounding pressure hull.
- the busbar is made Busbar modules 10 arranged.
- the distance between the top of the battery modules 200 on the outside and the ceiling (not shown) is about half a meter. From this it can be seen that there is very little space available when installing the busbar.
- the busbar modules 10 are connected to the battery modules 200 via shock-proof mounts 210 .
- the conductor rails 20 , 30 , 40 are connected via flexible conductor tracks 220 , 230 , 240 for connection to the vehicle electrical system 250 .
- the flexible conductor tracks 220, 230, 240 allow a certain amount of movement even in the event of a shock and thus ensure functionality even in the event of an emergency.
- the second conductor rail 30 is connected to the second flexible conductor track 230 via a second H-shaped clamping module 130.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Battery Mounting, Suspending (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Secondary Cells (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102020214305.6A DE102020214305B3 (de) | 2020-11-13 | 2020-11-13 | Batterieraum eines Unterseebootes mit einer Sammelschiene |
| PCT/EP2021/080062 WO2022101027A1 (de) | 2020-11-13 | 2021-10-28 | Batterieraum eines unterseebootes mit einer sammelschiene |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4244931A1 true EP4244931A1 (de) | 2023-09-20 |
Family
ID=78528917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21802637.5A Pending EP4244931A1 (de) | 2020-11-13 | 2021-10-28 | Batterieraum eines unterseebootes mit einer sammelschiene |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP4244931A1 (de) |
| KR (1) | KR102931953B1 (de) |
| DE (1) | DE102020214305B3 (de) |
| IL (1) | IL302697A (de) |
| WO (1) | WO2022101027A1 (de) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9015949U1 (de) | 1990-11-22 | 1991-01-24 | Siemens AG, 8000 München | Streufeldarme Sammelschieneneinheit für eine Schaltanlage |
| US5422440A (en) * | 1993-06-08 | 1995-06-06 | Rem Technologies, Inc. | Low inductance bus bar arrangement for high power inverters |
| DE20008567U1 (de) | 2000-05-12 | 2000-07-27 | Siemens AG, 80333 München | Sammelschienensystem zur elektrischen Leistungsübertragung in magnetisch streufeldarmer Ausführung |
| JP2004031255A (ja) * | 2002-06-28 | 2004-01-29 | Nissan Motor Co Ltd | 組電池 |
| DE202004006973U1 (de) | 2004-04-30 | 2005-09-22 | Siemens Ag | Anschlussfahne |
| CN107431299B (zh) * | 2015-02-27 | 2019-05-21 | 诺曼·R·伯恩 | 用于汇流条和刀片端子的电触点接收器 |
| DE102016214878A1 (de) | 2016-08-10 | 2018-02-15 | Siemens Aktiengesellschaft | Stromrichter |
| JP2019096546A (ja) | 2017-11-27 | 2019-06-20 | トヨタ自動車株式会社 | 平型配線構造 |
-
2020
- 2020-11-13 DE DE102020214305.6A patent/DE102020214305B3/de active Active
-
2021
- 2021-10-28 KR KR1020237014544A patent/KR102931953B1/ko active Active
- 2021-10-28 IL IL302697A patent/IL302697A/en unknown
- 2021-10-28 EP EP21802637.5A patent/EP4244931A1/de active Pending
- 2021-10-28 WO PCT/EP2021/080062 patent/WO2022101027A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022101027A1 (de) | 2022-05-19 |
| KR20230079166A (ko) | 2023-06-05 |
| IL302697A (en) | 2023-07-01 |
| DE102020214305B3 (de) | 2022-01-27 |
| KR102931953B1 (ko) | 2026-02-26 |
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Owner name: TKMS GMBH Owner name: THYSSENKRUPP AG |