Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
  • H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
  • H01G11/78—Cases; Housings; Encapsulations; Mountings
• • 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
  • 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
• • 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
  • H01M50/271—Lids or covers for the racks or secondary casings
• • 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
  • H01M50/284—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with incorporated circuit boards, e.g. printed circuit boards [PCB]
• • 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
  • H01M50/572—Means for preventing undesired use or discharge
  • H01M50/574—Devices or arrangements for the interruption of current
  • H01M50/583—Devices or arrangements for the interruption of current in response to current, e.g. fuses
• • 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
  • H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing

Definitions

• the invention relates to an energy store with a housing and a bridge connector.
• a method for producing a battery module is known from US 2019/0 020 072 A1.
• a battery module is known from US Pat. No. 9,761,856 B2.
• US 2011/0302 773 A1 discloses a method for producing electrical
• a battery connection system is known from US 2013/0288 530 A1.
• a battery for a vehicle is known from DE 10 2017 115 589 B3.
• a power storage apparatus is known from US Pat. No. 8,912,758 B2.
• the invention is therefore based on the object of protecting an energy store from deep discharge.
• the object is achieved with the energy store according to the features specified in claim 1.
• the jumper plug When commissioning, the jumper plug can be brought into the other orientation and thus the current paths can be released. During operation, the energy storage is then temporarily charged and thus a total discharge can be prevented.
• the housing has a cover part, the bridging plug having an upper part and a lower part connected to the upper part, in particular connected by means of a screw, wherein the upper part is connected to the cover part, in particular by means of in
• Threaded bores of the cover part at least partially screwed in screws, in particular the screw heads of which push the upper part towards the cover part, in particular wherein the lower part is arranged between the upper part and the cover part.
• Connections are easy to assemble because they can be fastened in the lower part and can be provided so as to be insulated by placing the upper part on the lower part.
• areas protruding toward the interior of the energy store surrounded by the housing are formed on the lower part, each of the areas protruding at least partially through a recess extending through the cover part, in particular the areas being spaced from one another and wherein the respective recesses are also spaced from one another.
• the advantage here is that the contact pins are laterally surrounded by the projections, that is to say radially, at a distance, and thus insulation strength can be achieved.
• a fuse is arranged in the bridging plug, in particular a fuse electrically connecting two connections, in particular its first connection with a first contact pin, in particular a first contact pin received in the lower part, and its second connection with a second contact pin, in particular a second one received in the lower part Contact pin, is releasably electrically connected.
• the first area of the lower part at least partially surrounds a first contact pin and the second area of the lower part surrounds a second contact pin at least partially.
• a printed circuit board piece is received in the lower part, in particular the printed circuit board piece having conductor tracks on its first side, in particular the upper side, which are each electrically connected to conductor tracks arranged on the other side, in particular the underside, of the printed circuit board piece, in particular by means of vias, in particular wherein a third area of the lower part at least partially surrounds the printed circuit board piece.
• connection part ends on the one hand at a first side of the connection part, which connects to the top of the printed circuit board piece when the printed circuit board piece is inserted into the
• Connection part is electrically contacted, and on the other hand on the other side of the
• Circuit board piece is electrically contacted in the connector.
• Bridge plug a current path of the energy store through the fuse, in particular wherein the current path is a potential of an energy storage module of the
• Energy store connects to a connection for a potential of the energy store, and that in the second of the alignments of the jumper plug, the current path is separated.
• the advantage here is that deep discharge is prevented in the delivery state and therefore the fuse cannot be activated either. However, the fuse can be activated during operation.
• Bridge connector by means of the printed circuit board piece signal lines signal electronics of the energy store with energy storage arrangements of the energy store, in particular wherein the signal lines are routed to controllable semiconductor switches of the signal electronics, and the signal lines are separated in the second of the alignments of the bridge connector.
• Delivery state or the operating state can be set.
• the printed circuit board piece is received and / or plugged into the connection part.
• the piece of circuit board only needs to be accommodated in the jumper plug so that when the jumper plug is plugged in in the orientation intended for operation, the signal lines are released, i.e. no longer separated.
• the circuit board piece is positively connected in the plug-in direction, that is, in the direction in which the bridge plug is plugged into the cover part. This can be carried out in a simple manner by means of a recess made on the side of the printed circuit board piece into which a projection of the lower part protrudes.
• the first contact pin is received in a first socket part, the second contact pin in a second
• Socket part is received and the first socket part, the second socket part and the connection part are fitted on a printed circuit board or the signal electronics of the energy store.
• the advantage here is that simple production is possible.
• the first contact pin is received in the first socket part and the second contact pin is spaced from the circuit board of the signal electronics and not connected, in particular not with the first socket part populated on the circuit board.
• the first and the second socket part are each made of metal.
• the bridging plug has a display means.
• the advantage here is that the alignment can be recognized quickly and easily.
• the signal lines of the signal electronics are fed via controllable semiconductor switches, the controllable semiconductor switches when a release signal is applied to one
• Input, in particular signal input, of the energy store are closed, in particular and are otherwise open.
• the advantage here is that the energy storage
• the signal electronics include a balancer circuit which monitors the voltages applied to the respective energy storage arrangements and controls the charging and / or discharging as a function of the voltage. For example, if a
• the release signal is advantageously supplied by means of a second plug connector part arranged on the energy store.
• the power i.e. the high-voltage current that occurs during charging or discharging, is fed through a first connector in the energy storage device.
• the signal lines of the signal electronics are fed via controllable semiconductor switches, the controllable semiconductor switches when a release signal is applied to one
• Input, in particular signal input, of the energy store are closed, in particular the controllable semiconductor switch when one is not present
• Release signal at an input, in particular signal input, of the energy store are open.
• FIG. 1 an energy store 20 according to the invention with a bridge plug 3 is shown in FIG.
• FIG. 1 A schematic circuit diagram of the energy store 20 is shown in FIG.
• the jumper plug 3 is an oblique view in a first viewing direction
• the jumper plug 3 is shown in an oblique view from a different viewing direction.
• the bridge plug 3 is shown in plan view.
• FIG. 1 A cross section through the bridge plug 3 is shown in FIG.
• FIG. 7 shows a cross section through an area of the energy store 20 containing the jumper plug 3, the alignment of the jumper plug 3 to the energy store 20, in particular to a cover part 1 of the
• the energy store 20 has a housing part 2 and a cover part 1 placed thereon.
• the housing surrounds energy storage modules (B1, B2, B3, B4), which either consist of
• Each energy storage module (B1, B2, B3, B4) can be designed as a parallel and / or series connection.
• the energy storage modules (B1, B2, B3, B4) are, as shown in Figure 2, preferably connected in series with one another, the voltage drop across each energy storage module (B1, B2, B3, B4) via a respective controllable semiconductor switch S a Signal electronics 23 is supplied when these controllable half-liter switches S are closed.
• controllable semiconductor switches S are designed as MOSFET switches, in particular with the smallest possible leakage current, or as switches that have a lower leakage current than MOSFET switches of the same design.
• Fans 6 are arranged on one side of the energy store 20, so that the air flow conveyed by the fans 6 from the environment is conveyed through one or more cooling channels of the energy store.
• the energy storage device 1 shown in FIG. 1 has two energy storage arrangements which are independent of one another and are structurally identical to one another, but have a common PE connection, in particular a neutral conductor.
• the signal lines of the two energy storage arrangements are likewise brought together at a second plug connector part 5, which is arranged on the cover part.
• Bridge plug 3 arranged.
• a diode (D1, D2) is connected in parallel to each controllable switch (S1, S2), in particular as a freewheeling diode.
• the fuse 22 is arranged in a first area of the bridge plug 3. In a second area 25 of the jumper plug, signal lines are passed through, so that as a result, those connected to the respective energy storage modules (B1, B2, B3, B4)
• the signal electronics preferably have a monitoring circuit which monitors whether at least one of the voltages exceeds or falls below a threshold value.
• the signal electronics 23 are fed a control signal via one of the signal lines of the second plug connector part 5, which control signal is preferably generated by a central computer of a system or machine.
• control signal is preferably generated by a central computer of a system or machine.
• the switches S1 and S2 are controlled by the signal electronics 23. If a corresponding control signal is fed to the signal electronics 23 via the mentioned signal line of the second connector part 5, it controls
• Signal electronics connect the two switches S1 and S2 and the switch S in such a way that they each close and the energy store 20 is thus ready for operation.
• the controllable semiconductor switches S and the switches S1 and S2 are open.
• the jumper plug is arranged in the orientation shown in FIG. 7 on the energy store 20 and in the operational state according to the orientation shown in FIG. 8.
• the fuse 22 is not electrically connected on both sides and therefore the flow of current is not possible.
• a discharge of the energy storage modules (B1, B2, B3, B4) via the signal electronics 23 is also prevented, since the second area of the
• Jumper plug 3 separates the signal lines, that is, does not pass them through.
• Energy storage can be activated by a corresponding control signal which is fed to the signal electronics 23 via the second connector part 4 and which then causes the switches S1, S2 and also the semiconductor switch S to close.
• the bridging plug 3 has a lower part 30 and an upper part 31 placed thereon and preferably connected with screws.
• a display means 32 in particular the representation of an arrow, is attached to the upper part 31 in order to show the alignment of the jumper plug 3 in an easily recognizable manner.
• the display means 32 is preferably embossed or already at the
• Plastic injection molding production is provided pronounced on the upper part 31.
• the circuit board 74 is equipped with components, so that the circuit board 74 together with the components forms the signal electronics 23
• the lower part 30 of the jumper plug 3 has outstanding contact pins (40, 41), each of the metallic contact pins (40, 41) being inserted into a respective one of the socket parts 73 and non-positively connected and thus electrically connected.
• the hollow frames of the lower part 30 are passed through respective recesses in the cover part 1 of the energy store 20.
• the first (40) of the contact pins (40, 41) is connected to a first connection of the fuse (22).
• the second (41) of the contact pins (40, 41) is connected to a second connection of the fuse (22).
• the lower part 30 is connected to the upper part 31 by means of the screw 42.
• the distance from the second contact pin 41 to the screw 42 equals the distance from the second contact pin 41 to the first contact pin 40.
• the space covered by the first contact pin 40 and arranged in the cavity of the first hollow frame has the same distance from the second contact pin 41 as one from the third hollow frame of the lower part 30 surrounding free space area.
• the second contact pin 41 is received in the same socket part 73 and the first contact pin 40 is either received in the first socket part 73, in particular when it is operational, or in the free space
• the printed circuit board piece 25 is either in a free space area, ie contactless, or electrically contacted.
• a printed circuit board 25 is also received, which has the feedthroughs between the energy storage modules (B1, B2, B3, B4) and the signal electronics 23.
• the printed circuit board piece 25 is inserted into the connection part 72 and the signal lines leading to the signal electronics 23 are thus connected.
• the spatial area covered by the three hollow jackets is mirror-symmetrical to the axis of symmetry, that is to say the longitudinal axis and / or central axis, of the second contact pin 41.
• the first contact pin 40 When rotated through 180 °, the first contact pin 40 is arranged in the area of the screw 42 and the free space below. Likewise, the printed circuit board piece 25 then covers the free space area in FIG. 6 which is between the first area on the left in FIG.
• Hollow jacket and the first contact pin 40 is arranged.
• the upper part 31 is pressed onto the cover part 1 by means of screws 70, the screws 70 being screwed into threaded holes in the cover part 1.
• the first and third hollow jacket have the same extent in the direction of
• Connection line which connects the first and the second contact pin (40, 41) to one another.
• connection between the circuit board 74 and the cover part 1 is not shown in the figures.
• controllable switch in particular semiconductor switch or relay
• controllable semiconductor switch in particular semiconductor switch or relay B1 energy storage module, in particular ultracap or accumulator B2 energy storage module, in particular ultracap or accumulator B3 energy storage module, in particular ultracap or accumulator B4 energy storage module, in particular ultracap or accumulator U + upper potential

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• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Electrochemistry (AREA)
• General Chemical & Material Sciences (AREA)
• Engineering & Computer Science (AREA)
• Microelectronics & Electronic Packaging (AREA)
• Power Engineering (AREA)
• Manufacturing & Machinery (AREA)
• Battery Mounting, Suspending (AREA)
• Charge And Discharge Circuits For Batteries Or The Like (AREA)
• Details Of Connecting Devices For Male And Female Coupling (AREA)

Applications Claiming Priority (2)

Publications (1)

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• 2020
  • 2020-05-27 DE DE102020003168.4A patent/DE102020003168A1/de active Pending
  • 2020-05-27 EP EP20729943.9A patent/EP3981035A1/de active Pending
  • 2020-05-27 CN CN202080041627.5A patent/CN113966564B/zh active Active
  • 2020-05-27 WO PCT/EP2020/025248 patent/WO2020244804A1/de active Application Filing
  • 2020-05-27 US US17/616,820 patent/US20220310331A1/en active Pending

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