EP4256672A1 - Tragbare energiestation, stapelanordnung und verfahren zur herstellung einer tragbaren energiestation - Google Patents
Tragbare energiestation, stapelanordnung und verfahren zur herstellung einer tragbaren energiestationInfo
- Publication number
- EP4256672A1 EP4256672A1 EP21820483.2A EP21820483A EP4256672A1 EP 4256672 A1 EP4256672 A1 EP 4256672A1 EP 21820483 A EP21820483 A EP 21820483A EP 4256672 A1 EP4256672 A1 EP 4256672A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- station
- voltage
- portable
- energy station
- energy storage
- 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
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/855—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/60—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including safety or protection arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/70—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries characterised by the mechanical construction
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/80—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including monitoring or indicating arrangements
- H02J7/82—Control of state of charge [SOC]
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/10—Arrangements incorporating converting means for enabling loads to be operated at will from different kinds of power supplies, e.g. from AC or DC
Definitions
- the invention relates to a portable energy station, comprising a box-shaped housing, an energy storage device arranged in the housing, which is designed to provide an AC voltage, and an AC voltage connection arrangement, at which the AC voltage for an external consumer, in particular a power tool and/or a vacuum cleaner, is accessible.
- One object of the invention is to provide an energy station that is easy to handle.
- the object is achieved by a portable energy station according to claim 1.
- the portable energy station comprises a coupling interface for coupling the portable energy station to at least one coupling object designed as a system box or vacuum cleaner in order to form a vertically strong stack together with the at least one coupling object.
- the portable energy station can thus be accommodated and/or transported in a vertically tensile stack and is therefore easy to handle.
- Advantageous developments are the subject of the subclaims.
- the invention further relates to a stack arrangement according to claim 18 and a method for manufacturing a portable energy station according to claim 20.
- Figure 1 is a perspective view from above of a transportable energy station
- FIG. 2 shows another perspective view from above of the transportable energy station with connection covers
- FIG. 3 shows a perspective view from below of the transportable energy station
- FIG. 4 shows a perspective view from above of the transportable energy station with the cover open
- FIG. 5 shows an exploded view of the transportable energy station
- FIG. 6 an energy storage assembly of the transportable energy station
- Figure 7 shows a connection wall structure of the transportable energy station
- FIG. 8 shows the connection wall structure with hidden sealing covers
- FIG. 9 shows a first stacked arrangement of a lower system box, the transportable energy station and an upper system box
- FIG. 10 shows a second stack arrangement made up of a vacuum cleaner and the transportable energy station
- the x-direction can also be referred to as the longitudinal direction, the y-direction as the transverse direction and the z-direction as the vertical direction.
- the x-direction and the y-direction are horizontal directions, while the z-direction is a vertical direction.
- FIG. 1 shows an exemplary configuration of a portable energy station 1.
- the portable energy station 1 can also be referred to as a portable power station or as a portable energy store.
- the term "portable" means that the energy station 1 can be carried by one person.
- the weight and dimensions of the energy station 1 are designed in such a way that it can be carried by one person.
- the energy station 1 weighs less than 25 kg, less than 20 kg, or less than 18 kg.
- the energy station 1 is preferably less than 450 mm long (in the x-direction) and/or less than 350 mm wide (in the y-direction) and/or (with folded-in upper carrying handle 28) is less than 500 mm high (in z-direction).
- the portable power station 1 has a box-shaped housing 2 .
- the box-shaped housing 2 is the outer housing of the energy station 1.
- Box-shaped means in particular the shape of a cuboid.
- the portable energy station 2 has an energy storage device 3 arranged in the housing 2 (see, for example, FIG. 6), which is designed to provide an alternating voltage.
- the AC voltage has a sinusoidal shape.
- the AC voltage corresponds in particular to the mains voltage.
- the AC voltage preferably has an effective value of 220 V to 240 V and/or a frequency of 50 Hz or 60 Hz.
- the AC voltage can also have an effective value of 120 V and/or a frequency of 60 Hz.
- the AC voltage can have a different effective value and/or a different frequency.
- the energy storage device 3 preferably provides a power, in particular a continuous power, of at least 2 kW or at least 3 kW, preferably 3.68 kW.
- the energy storage device 3 When providing the AC voltage, the energy storage device 3 preferably provides a peak power of 11 kW and/or 7.2 kW.
- the energy output by the energy storage device 3 when the AC voltage is provided is stored in the energy storage device 3 .
- the energy storage device 3 has a storage capacity of at least 1 kW or at least 1.5 kW and/or less than 2 kW.
- the energy station 1 is designed to provide the AC voltage and in particular one or more of the services mentioned in a state in which the energy station 1 is not connected to a power supply.
- the portable energy station 2 also has an AC voltage connection arrangement 4 .
- the AC voltage is at the AC voltage connection arrangement 4 for an external consumer 6 (see, for example, FIG. 10), in particular a power tool and/or a vacuum cleaner 8, can be tapped.
- the AC voltage connection arrangement 4 includes an AC voltage connection 11, in particular a socket at which the AC voltage can be tapped.
- the AC voltage connection arrangement 4, in particular the AC voltage connection 11, is arranged on the outside of a connection wall 15 of the housing 2 and is expediently accessible from the outside, in particular without having to open the cover 19 explained below.
- outside in particular in relation to the housing 2 or a wall of the housing 2, for example the peripheral walls 31, 32, 33, the bottom wall 26 or the connecting wall 15, is intended in particular to mean the wall side facing outwards to the environment of the energy station 1
- inside or inside in particular in relation to the housing 2 or a wall of the housing 2, for example the peripheral walls 31, 32, 33, the bottom wall 26 or the connecting wall 15, is intended to mean in particular the inward be meant the wall side facing the housing interior 36 .
- the portable energy station 2 also has a coupling interface 9 .
- the coupling interface 9 is used to couple the portable energy station 1 to at least one coupling object 5 designed as a system box 7 (see e.g. Figure 9) or a vacuum cleaner 8 (see e.g. Figure 10) in order to form a vertically strong stack together with the at least one coupling object 5.
- the coupling interface 9 comprises an upper coupling device and/or a lower coupling device.
- the upper docking device serves for coupling the portable energy station 1 to an upper coupling object 5 placed on the energy station 1, in particular an upper system box 7B (see, for example, FIG. 9).
- the lower coupling device serves to couple the portable energy station 1 to a lower coupling object 5, in particular a lower system box 7A (see, for example, FIG. 9) or a vacuum cleaner 8 (see, for example, FIG. 10), on which the portable energy station 1 is placed.
- the upper coupling device comprises, for example, an upper coupling element 18, which is designed in particular as a movable coupling element, expediently as a rotary bolt, in particular as a T-shaped rotary bolt.
- the upper coupling element 18 is arranged, for example, on a front side of the housing 2 .
- the front is the side on which the connecting wall 15 is located.
- the upper coupling element 18 is expediently arranged on the cover 19 of the housing 2 , in particular pivotably mounted on the cover 19 .
- the upper coupling device also includes an example of an upper coupling structure 21, which in particular has a plurality of coupling depressions, which are arranged, for example, on the upper side of the housing 2, in particular the cover 19, for example in the four corner regions of the upper side.
- the lower coupling device includes, for example, a lower coupling element 22, which is designed in particular as a non-movable coupling element, expediently as a coupling projection.
- the lower coupling element 22 is arranged on the front side, in particular on the connection wall 15, in particular in the lower area.
- the lower coupling device also includes, for example, a lower coupling structure (see, for example, FIG. 3), which in particular has a plurality of feet 23 which are arranged on the underside of the housing 2, for example in the four corner areas of the underside.
- the upper coupling device of the energy station 1 can be coupled to a lower coupling device of the coupling object 5 with an identical coupling interface (to the coupling interface 9). Furthermore, the lower coupling device of the energy station 1 can be coupled to an upper coupling device of the coupling object 5 with an identical coupling interface (to the coupling interface 9).
- a vertically tensile coupling between the energy station 1 and the coupling object 5 can be produced by means of the coupling interface 9 .
- the term "vertical tensile strength" means a fastening that remains in place when subjected to a tensile load in the vertical direction is consequently raised with the coupling interface 9.
- the energy station 1 can be coupled, in particular fastened, securely in all directions to the coupling object 5 by means of the coupling interface 9.
- the coupling provided by means of the coupling interface 9 can be produced and/or released without tools, in particular by carrying out a manual actuation of the upper coupling element 18 (and/or an upper coupling element of the coupling object 5).
- the box-shaped housing 2 has a lower part 24 and the cover 19 arranged on the lower part 24 .
- the cover 19 has a rectangular horizontal outer contour and covers the entire upper side of the lower part 24 .
- the cover 19 is attached to the rear wall of the lower part 24 in a pivotable manner and can be optionally placed in an open or a closed position by pivoting.
- the cover 19 represents the upper side of the housing 2, in particular the energy station 1.
- the upper carrying handle 28 is arranged on the upper side of the cover 19, which is designed in particular in the form of a bracket and/or can be folded out upwards.
- housing interior 36 which is delimited in particular by the lower part 24 and the cover 19 .
- the cover 19 closes the housing interior 36.
- a front carrying handle 37 is arranged on the front side, in particular the connection wall 15, of the lower part 24, which is designed in particular in the form of a bracket and/or can be folded out to the front.
- the front side of the housing 2, in particular the connection wall 15, has, for example, three front areas arranged next to one another in the x-direction.
- a first front area is arranged centrally in the x-direction.
- a second front area is located (in the x-direction) on a first side (eg left) of the first front area and a third front area is located on a second side (in the x-direction) (eg right) of the first front area.
- the first front area is set back in the y-direction compared to the second and the third front area and thus represents an indentation.
- the upper coupling element 18, the lower coupling element 22 and/or the front carrying handle 37 are arranged in the area as an example.
- the second front area has a first front depression 41 in the y-direction, which in particular has a rectangular cross-section, in particular a rectangular x-z cross-section, and preferably extends over at least 75% of the vertical extension of the connection wall 15 .
- the third front area of the front side of the housing 2 has a second depression 42 in the y-direction, which in particular has a rectangular cross-section, in particular a rectangular x-z cross-section, and preferably extends over at least 75% of the vertical extension of the connecting wall 15.
- the first front indentation 41 is preferably shaped identically to the second front indentation 42—that is to say, in particular, it has the same dimensions.
- the AC voltage connection arrangement 4 in particular the AC voltage connection 11, is arranged as an example.
- the AC voltage connection arrangement 4 is preferably located completely inside the first front depression 41—that is, in particular, it does not protrude as the first front depression 41 .
- the energy station 1, in particular the AC voltage connection arrangement 4, expediently comprises a charging connection 43, via which an energy storage unit 45 (see, for example, FIG. 5) can be electrically charged.
- the charging connection 43 is embodied as a cold device connection, for example.
- the charging port 43 is vertical Direction under the AC voltage terminal 11 arranged.
- the charging connection 43 is expediently arranged in the first front depression 41 .
- the energy station 1 preferably also includes a DC voltage connection 46, in particular a USB connection, from which a DC voltage can be tapped.
- the energy for providing the DC voltage comes from the energy storage unit 45.
- the DC voltage connection 46 is arranged on the outside of the connection wall 15, in particular in the second front recess 42.
- the DC voltage connection 46 can optionally be designed for charging a power tool battery.
- the energy station includes a battery interface into which a power tool battery can be inserted, and which has a DC voltage connection for charging the power tool battery.
- the energy station 1 also includes an external energy switch 47 arranged on the outside of the box-shaped housing 2 for switching on and/or off the AC voltage (provided at the AC voltage connection 11).
- the external power switch 47 is arranged in particular in the second recess 42, for example in the vertical direction below the DC voltage connection 46.
- the energy station 1 preferably includes a charge status display 48 with a plurality of luminous sections, which are arranged next to one another, in particular in the x-direction.
- the energy station 1, in particular a state of charge display control unit of the energy station 1 is preferably formed that To let luminous sections according to a state of charge of the energy storage device 3, in particular the energy storage unit 45, light up, expediently such that the number of illuminated sections is proportional to the current state of charge.
- the charge status display 48 is expediently arranged on the outside of the housing 2 , in particular on the outside of the connecting wall 15 .
- the charge level indicator 48 is preferably arranged in the second front recess 42 . Specifically, the charge level indicator 48 is arranged below the outdoor power switch 47 in the vertical direction.
- the charge status display 48 is preferably not a graphic display.
- the charge level indicator 48 is a simple LED array.
- the energy station 1 is preferably designed to also display an error status with the luminous sections of the charge status display 48 .
- the energy station 1 is expediently designed to determine the error status.
- the fault condition is, for example, a temperature that is too high, a current that is too high, and/or a defect in an electronic component.
- the energy station 1 is preferably designed to display a flashing pattern with the luminous sections of the charge status display 48 and/or to display a different color than that used to display the charge status to display the fault status.
- the DC voltage connection 46, the external power switch 47 and/or the charge status indicator 48 are expediently located completely within the second front depression 42—that is, in particular, they do not protrude from the second front depression 42.
- the energy station 1 with connection covers 51, 52, 53 is shown in FIG.
- the energy station 1 has a first connection cover 51 which covers the charging connection 43 in particular in a sealing manner.
- the first connection cover 51 is made of a flexible material, for example rubber, and is exemplarily attached to the outside of the housing 2, in particular the connection wall 15.
- the first connector cover 51 is manually peelable from the charging connector 43 to expose the charging connector 43 .
- the first connector cover 51 has a tab that allows the first connector cover 51 to be grasped and peeled off from the charging connector 43 .
- the energy station 1 preferably also has a second connection cover 52, which covers the DC voltage connection 46 in particular in a sealing manner.
- the second connection cover 52 is made of a flexible material, for example rubber, and is exemplarily attached to the outside of the housing 2, in particular the connection wall 15.
- the second connection cover 52 can be pulled off the DC voltage connection 46 manually in order to release the DC voltage connection 46 .
- the second connection cover 52 has, for example, a tab by which the second connection cover 52 can be gripped and pulled off the DC voltage connection 46 .
- the energy station 1 includes a third connection cover 53 which covers the AC voltage connection 11 in particular in a sealing manner.
- the third terminal cover 53 is shown in Figs. 1, 2, 4, 5 and 9 in half section.
- the third connection cover 53 is attached to the outside of the housing 2 , in particular to the connection wall 15 .
- the third terminal cover 53 has an in particular circular cover section which is pivotably mounted on the housing 2 .
- the energy station 1 is shown in a state in which the cover 19 is in the open position, so that the housing interior 36 is accessible from the outside.
- the energy station 1 preferably has an energy storage cover 54 which is designed in particular as a horizontally aligned cover plate.
- the energy storage cover 54 occupies the entire x-y extent of the housing interior 36 .
- the energy storage cover 54 is, for example, in the form of a tray.
- the energy storage cover 54 divides the housing interior 36 into an energy storage space (located under the energy storage cover 54), in which the energy storage device 3 is arranged, and into a storage space 55 (located above the energy storage cover 54). , Which is accessible from the outside when the lid 19 is open.
- the storage space 55 is a flat space in which tools do not fit, by way of example.
- the energy storage cover 54 which represents the bottom of the storage space 55, is arranged on the upper side of the base 24 in particular.
- the energy storage cover 54 is arranged on the energy storage device 3 .
- the energy storage cover 54 has a storage recess 56 for small parts and/or a mobile phone.
- the storage recess 56 is accessible via the cover 19 - ie when the cover 19 is open. With the lid 19 closed, the housing interior 36, in particular the Storage space 55 and / or the storage recess 56, not accessible from the outside.
- the storage recess 56 is, for example, elongate and aligned with its longitudinal axis parallel to the x-direction.
- the storage recess 56 is arranged, for example, in a front area of the energy storage cover 54 .
- the energy storage cover 54 expediently also has a charging cable receptacle 57 for receiving an energy storage charging cable for charging the energy station 1.
- the energy storage charging cable is in the charging cable receptacle 57.
- the charging cable receptacle 57 is embodied as an example of a recess separate from the storage recess 56 .
- the charging cable receptacle 57 is elongate and aligned with its longitudinal axis parallel to the x-direction.
- the charging cable receptacle 57 is arranged in a rear area of the energy store cover 54 as an example.
- the storage recess 56 and the charging cable receptacle 57 are arranged next to one another in the y-direction.
- the energy station 1 preferably comprises a main energy switch 61 arranged in the housing interior 36, in particular in the storage space 55, for switching on and/or off the AC voltage (provided at the AC voltage connection 11).
- the main energy switch 61 is arranged on the energy storage cover 54, in particular in a corner area of the storage recess 56.
- the main power switch 61 is expediently only accessible from the outside when the cover 19 is open and is not accessible from the outside when the cover 19 is closed.
- the cover 19 can be in the lock the closed position, in particular by the upper coupling element 18 being brought into engagement with a locking projection 27 arranged on the connection wall 15 .
- the energy station 1 also includes the external energy switch 47, which is arranged on the outside of the box-shaped housing 2, for switching the AC voltage on and/or off.
- the AC voltage (provided at the AC voltage connection 11 ) cannot be switched on via the external power switch 47 if the AC voltage is switched off by means of the main power switch 61 .
- the energy station 1 only provides the AC voltage at the AC voltage connection 11 when both the main energy switch 61 and the external energy switch 47 are switched on.
- the main energy switch 61 and/or the external energy switch 47 is preferably communicatively connected to AC voltage control electronics of the energy storage device 3 .
- the AC voltage control electronics are designed to assume a sleep state, in particular a deep sleep state, in response to the switched-off state of the main power switch 61, and in this sleep state to provide no AC voltage at the AC voltage connection 11, even if the external power switch 47 is in the on state.
- the energy station 1 preferably comprises a cable guide arrangement 63 for guiding a charging cable from the DC voltage connection 46 (arranged in particular on the outside of the housing 2) to the storage recess 56 (arranged in particular in the housing interior 36, preferably the storage space 55).
- the cable routing arrangement 63 includes a cable routing recess 64 which is arranged in the vertical direction above the DC voltage connection 46 and is present in an upper edge of the connection wall 15, through which the charging cable can be routed.
- the cable routing arrangement 63 also includes a cable routing clamp 66, in particular a hook-shaped one, under which the charging cable can be clamped and which is arranged in particular in the storage space 55.
- FIG. 5 shows an exploded view of the energy station 1.
- the lower part 24 comprises a lower part main section 25, which is in particular one-piece, for example manufactured as an injection molded part, which has a bottom wall 26 and three peripheral walls 31, 32, 33 running upwards from the bottom wall.
- the bottom wall 26 is the bottom wall of the lower part 24 and the peripheral walls 31, 32, 33 are peripheral walls of the lower part 24.
- the peripheral walls 31, 32, 33 comprise a first peripheral wall 31, which represents a first side wall (aligned perpendicularly to the x-direction), a second peripheral wall 32 constituting a rear wall (oriented perpendicular to the y-direction), and a third peripheral wall 33 constituting a second side wall (oriented perpendicular to the x-direction).
- the base body portion 25 is in the form of a box (particularly parallelepipedal) with an open front and open top.
- the base 24 further has the terminal wall 15 inserted into the base main portion 25.
- the terminal wall 15 preferably has a rectangular shape.
- the Connection wall 15 forms a fourth peripheral wall—in particular the front wall (aligned perpendicularly to the y-direction)—of lower part 24 .
- AC voltage connection arrangement 4 is arranged on connection wall 15 .
- the connecting wall 15 has laterally in particular bolt-shaped connecting wall latching projections 34 which are latched into latching openings arranged on the lower part main section 25 , in particular on the inside of the first peripheral wall 31 and third peripheral wall 33 .
- the connecting wall 15 expediently extends over at least 80% of the x extent of the energy station 1 and/or over at least 70% of the z extent of the energy station 1.
- FIG. 6 shows an energy storage assembly 35, which is formed by the connection wall 15, in particular a connection wall structure 16, and the energy storage device 3.
- FIG. 6 shows an energy storage assembly 35, which is formed by the connection wall 15, in particular a connection wall structure 16, and the energy storage device 3.
- the energy storage device 3 has a cuboid energy storage unit 45 and two end caps 71, 72, which are placed on the energy storage unit 45 on two opposite sides, in particular end faces, of the energy storage unit 45 and support the energy storage unit 45 against the bottom wall 26 of the housing 2.
- the end caps 71, 72 are each flat, in particular plate-shaped, and are expediently aligned with their largest side in terms of area perpendicular to the x-direction.
- the end caps 71, 72 are placed on the sides of the energy storage unit 45 aligned perpendicular to the x-direction and expediently completely cover these sides.
- the end caps 71, 72 are screwed onto the energy storage unit 45.
- the energy storage assembly 35 is inserted into the main section 25 of the lower part and, in particular, fastened thereto without screws.
- the coupling interface 9 has feet 23 arranged at the bottom of the housing 2. Inside the housing 2 - i.e. in the housing interior 36 - there are insertion depressions 65 at those points where the feet 23 are present on the outside present, in which fastening projections 73 of the end caps 71, 72 are inserted.
- the attachment projections 73 of the end caps 71, 72 protrude in particular downwards and can also be referred to as attachment feet.
- the insertion indentations 65 are arranged on the upper side of the bottom wall 26 at those x-y areas which are occupied by the feet 23 on the underside of the bottom wall 26 .
- the end caps 71, 72 have, for example, end cap fastening openings 74, which in particular form the upper (in the z-direction) and rear (in the y-direction) corner regions of the end caps 71, 72. Fastening bolts made of plastic are inserted into these end cap fastening openings 74 .
- the end cap 71 shall also be referred to as the first end cap 71 and the end cap 72 as the second end cap 72 .
- the first end cap 71 includes the AC voltage control electronics for providing the AC voltage at the AC voltage connection 11.
- the energy storage unit 45 has an energy storage outer housing 49, which is preferably made of aluminum.
- the energy storage unit 45 expediently occupies at least 70% of the x extent of the housing interior 36 and/or at least 70% of the y extent of the housing interior 36 .
- the energy storage unit 45 includes, for example, several, in particular three, elongated module arrangements 81, each of which can also be referred to as a "grid".
- the module arrangements 81 each have several, for example six, energy storage modules.
- Each energy storage module has several battery cells
- Energy storage unit 45 can also be referred to overall as a battery. The electrical energy output at AC voltage connection 11 comes from the battery cells of energy storage unit 45.
- Energy storage unit 45 expediently takes up at least 50%, at least 60% or at least 70% of the total volume of housing interior 36 a.
- Energy storage device 3 preferably has a plurality of energy storage subunits, each of which provides a partial DC voltage, and energy storage device 3, in particular the AC voltage control electronics, is designed to change the basic form of the AC voltage (provided at AC voltage connection 11) by time varied interconnection of the partial DC voltages and thus provide without using an inverter.
- the energy storage subunits are, for example, the energy storage modules.
- the energy storage device 3 can have an in particular conventional inverter—ie an inverter—to generate the AC voltage (provided at the AC voltage connection 11 ) on the basis of a total DC voltage provided by the energy storage unit 45 .
- FIGS. 7 and 8 show the connection wall structure 16 which includes the connection wall 15.
- the connection wall structure 16 comprises the AC voltage connection arrangement 4 which is accessible from the outside and which is arranged on the connection wall 15 , in particular is inserted into the connection wall 15 .
- the connection wall structure 16 also includes a first sealing cover 75 which is attached to the inside of the connection wall 15 and which covers and seals the AC voltage connection arrangement 4 in relation to the interior space 36 of the housing.
- the first sealing cover 75 is in particular trough-shaped and is fastened, in particular screwed, with its open, in particular concave, side to the inside of the connection wall 15 .
- cable glands 76 On the outside of the first sealing cover 75 there are cable glands 76 through which power cables are routed from the energy storage device 3 to the AC voltage connection arrangement 4 .
- connection wall structure 16 preferably also comprises a second sealing cover 77 which is attached to the inside of the connection wall 15 and which covers and seals the DC voltage connection 46 in relation to the interior space 36 of the housing.
- the second sealing cover 77 is in particular trough-shaped and is fastened, in particular screwed, with its open, in particular concave, side to the inside of the connection wall 15 .
- Cable glands 78 are present on the outside of the second sealing cover 77, through the at least one cable is routed from the energy storage device 3 to the DC voltage connection 46 .
- the second sealing cover 77 also seals the external power switch 47 and/or the charge status display 48 and/or the charge status control unit from the housing interior 36 .
- connection wall structure 16 comprises a connection wall printed circuit board 79 which is fastened to the inside of the connection wall 15 and is sealed off from the housing interior 36 by the second sealing cover 77 .
- connection wall printed circuit board 79 there are control electronics which are assigned to and/or associated with the DC voltage connection 46, the external energy switch 47 and/or the charge status display 48.
- FIG. 9 shows a stack arrangement 10, which should also be referred to as the first stack arrangement 10.
- the stack arrangement 10 is cuboid.
- the stack arrangement 10 preferably has a constant horizontal outer contour over its entire vertical extension.
- the stack arrangement 10 comprises the portable energy station 1 and a lower coupling object 5 designed as a system box 7A, on which the portable energy station 1 is placed.
- the portable energy station 1 is preferably coupled to the lower system box 7A via the coupling interface 9, so that the portable energy station 1 forms a stack with high tensile strength together with the lower system box 7A.
- the stack arrangement 10 also includes an upper coupling object 5 designed as a system box 7B, which is placed on the portable energy station 1 .
- the portable energy station 1 is preferably coupled via the coupling interface 9 to the upper system box 7B, so that the portable energy station 1 together with the lower system box 7A and the upper system box 7B forms a stack with high tensile strength.
- the system boxes 7A, 7B are in particular modular tool boxes.
- the system boxes 7A, 7B preferably have a respective system box lower part 83 on which a respective system box cover 82 is placed, which is in particular identical to the cover 19 .
- the system boxes 7A, 7B are each cuboid.
- the system boxes 7A, 7B each have a system box coupling interface 109 which is identical to the coupling interface 9.
- the system box coupling interface 109 includes in particular an upper coupling element 108, which is identical to the upper coupling element 18 of the coupling interface 9, a lower coupling element 122, which is identical to the lower coupling element 22 of the coupling interface 9, an upper coupling structure 121, which is identical to the upper coupling structure 21 of the coupling interface 9 and a lower coupling structure which is identical to the lower coupling structure of the coupling interface 9 .
- the lower system box 7A has an upper coupling device which provides a vertically tensile coupling to the lower coupling device of the energy station 1 .
- An upper coupling element 118 of the lower system box 7A is preferably in engagement with the lower coupling element 22 of the energy station 1.
- FIG. 9 shows an example of a position of the upper coupling element 118 in which this engagement is not present.
- the lower coupling structure, in particular the feet 23, of the energy station 1 is in engagement with the upper coupling structure 121 of the lower system box 7A.
- the engagement of the lower coupling structure in the upper coupling structure 121 results in particular in a horizontal overlapping of the lower coupling structure with the upper coupling structure 121, so that a form fit effective in the height direction is achieved, which contributes to the vertically tensile coupling.
- the upper system box 7B has a lower coupling device which provides a vertically tensile coupling to the upper coupling device of the energy station 1 .
- the upper coupling element 18 of the energy station 1 is preferably in engagement with the lower coupling element 122 of the upper system box 7B.
- FIG. 9 shows an example of a position of the upper coupling element 18 in which this engagement does not occur.
- a lower coupling structure, in particular feet, of the upper system box 7B is in engagement with the upper coupling structure 21 of the energy station 1.
- the energy station 1 and the system boxes 7A, 7B have the same horizontal outer contour. Due to the vertically tensile coupling between the energy station 1 and the system boxes 7A, 7B, when the upper system box 7B is lifted vertically, the energy station 1 and the lower system box 7A are also lifted by the vertical lifting.
- FIG. 10 shows a stack arrangement 20, which should also be referred to as a second stack arrangement 20.
- the second stack arrangement 20 comprises the portable energy station 1 and a lower coupling object 5 designed as a vacuum cleaner 8, on which the portable energy station 1 is placed, wherein the portable power station 1 is coupled to the vacuum cleaner 8 via the coupling interface 9, so that the portable power station 1 together with the vacuum cleaner 8 forms a vertically strong stack.
- the vacuum cleaner 8 represents an external consumer 6 which is supplied with electrical energy from the energy station 1 via the AC connection 11 .
- the vacuum cleaner 8 is connected to the AC voltage connection 11 via a vacuum cleaner power cable 201 .
- the vacuum cleaner 8 has a suction hose 202 for sucking up dust and/or rollers 203, via which the vacuum cleaner 8 is supported relative to the floor and can be moved.
- the vacuum cleaner 8 has an upper coupling device which is identical to the upper coupling device of the energy station 1 in particular.
- the upper coupling of the vacuum cleaner 8 is coupled to the lower coupling of the power station 1 to provide a vertically tensile coupling between the power station 1 and the vacuum cleaner 8 .
- the vacuum cleaner 8 has an upper coupling element 218 which is in engagement with the lower coupling element 22 .
- the vacuum cleaner 8 has an upper coupling structure which engages with the lower coupling structure, in particular the feet 23 .
- the upper coupling element 218 is in particular identical in design to the upper coupling element 18 .
- the upper coupling structure is identical to the upper coupling structure 21 .
- an arrangement (not shown in the figures) is preferably provided, which comprises the energy station 1 and a power tool, in particular a semi-stationary machine, wherein the power tool is electrically connected to the AC voltage connection 11 and is electrically fed from it, in particular from the energy storage unit 45.
- the base main portion 25 is provided. Furthermore, the energy storage assembly 35 is provided. For example, the end caps 71, 72 are screwed onto the energy storage unit 45, and the connection wall structure 16 is attached to the energy storage device 3 created in this way, in particular to a side of the energy storage device 3 that is aligned perpendicularly to the y-direction.
- the energy storage assembly 35 is then the base main section 25 is inserted. At this time, the attachment projections 73 are inserted into the insertion recesses 65 . Furthermore, the connecting wall latching projections 34 are latched into the latching openings.
- the fastening bolts prefferably be inserted into the end cap fastening openings 74 .
- the energy storage assembly 35 is consequently fastened to the base main section 25 in particular without screws.
- the energy storage cover 54 is preferably placed on the energy storage device 3 and, in particular, fixed with screws.
- the cover 19 is expediently fastened to the base main section 25 .
- the first stack arrangement 10 is formed with the energy station 1 and before and/or after it formed with the energy station 1, the second stack arrangement 20.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Battery Mounting, Suspending (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102020215390.6A DE102020215390A1 (de) | 2020-12-04 | 2020-12-04 | Tragbare Energiestation, Stapelanordnung und Verfahren zur Herstellung einer tragbaren Energiestation |
| PCT/EP2021/082905 WO2022117419A1 (de) | 2020-12-04 | 2021-11-25 | Tragbare energiestation, stapelanordnung und verfahren zur herstellung einer tragbaren energiestation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4256672A1 true EP4256672A1 (de) | 2023-10-11 |
Family
ID=78824783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21820483.2A Pending EP4256672A1 (de) | 2020-12-04 | 2021-11-25 | Tragbare energiestation, stapelanordnung und verfahren zur herstellung einer tragbaren energiestation |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20240097465A1 (de) |
| EP (1) | EP4256672A1 (de) |
| CN (1) | CN116601845A (de) |
| DE (1) | DE102020215390A1 (de) |
| WO (1) | WO2022117419A1 (de) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD1091990S1 (en) * | 2021-11-05 | 2025-09-02 | Festool Gmbh | Vacuum cleaner |
| USD1087186S1 (en) * | 2022-08-03 | 2025-08-05 | Festool Gmbh | Circular saw with cover |
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-
2020
- 2020-12-04 DE DE102020215390.6A patent/DE102020215390A1/de active Pending
-
2021
- 2021-11-25 CN CN202180081560.2A patent/CN116601845A/zh active Pending
- 2021-11-25 WO PCT/EP2021/082905 patent/WO2022117419A1/de not_active Ceased
- 2021-11-25 EP EP21820483.2A patent/EP4256672A1/de active Pending
- 2021-11-25 US US18/255,294 patent/US20240097465A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022117419A1 (de) | 2022-06-09 |
| CN116601845A (zh) | 2023-08-15 |
| DE102020215390A1 (de) | 2022-06-09 |
| US20240097465A1 (en) | 2024-03-21 |
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