Adapter set, electrically driven processing device, system and process

The adapter set connects two battery packs in series to achieve higher voltages, addressing inefficiencies in existing devices and simplifying construction for improved performance and usability.

DE102024121776B3Active Publication Date: 2025-10-30ANDREAS STIHL AG & CO KG
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Patent Information

Application Number
DE102024121776
Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
Filing Date
2024-07-31
Publication Date
2025-10-30
Estimated Expiration
2044-07-31

AI Technical Summary

Technical Problem

Existing electrically driven machining devices face limitations in efficiently utilizing multiple battery packs to achieve higher total supply voltage for operation, leading to suboptimal performance and construction complexity.

Method used

An adapter set comprising a battery pack adapter and a short-circuit module allows for the connection of two battery packs in series, enabling operation with a total supply voltage across the device, while maintaining a simple and cost-effective design.

Benefits of technology

The adapter set facilitates operation of electrically driven machining devices at higher voltages, enhancing performance and simplifying construction, with automatic and user-friendly connectivity features.

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Abstract

The invention relates to an adapter set (1) for applying a total electrical supply voltage (U), provided by at least, in particular exactly, one external electrical voltage source (101), to an electrically driven processing device (51) for operating the processing device (51), which has at least, in particular exactly, two serially connected battery pack interfaces (52, 53) for detachable electrical connection with at least, in particular exactly, two battery packs (102), each for applying a fraction of the total supply voltage (U) for operating the processing device (51), wherein the adapter set (1) comprises: - at least, in particular exactly, a source interface (2) designed for detachable electrical connection to the voltage source (101), - a battery pack adapter (3) having a voltage device interface (4) designed for electrical connection to the source interface (2), in particular electrically connected to the source interface (2), and for detachable electrical connection to a battery pack interface (52) of the battery pack interfaces (52, 53) for applying the total supply voltage (U) to the battery pack interface (52) designed for operating the processing device (51), and - at least, in particular exactly, a short-circuit module (5) having a short-circuit device interface (6) designed for detachable electrical connection with another battery pack interface (53) of the battery pack interfaces (52, 53) for electrical short-circuiting the other battery pack interface (53) for operating the processing device (51).
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Description

SCOPE OF APPLICATION AND STATE OF THE ART

[0001] The invention relates to an adapter set, an electrically driven machining device, a system comprising such an adapter set and such an electrically driven machining device, and a method for operating such an electrically driven machining device using such an adapter set.

[0002] DE 10 2021 212 799 A1 discloses a method for charging or discharging a replaceable energy storage device, in particular a replaceable battery pack, by means of an electrical device, in particular a charger or an electrical load, comprising at least the following steps: a. Connecting a first electromechanical interface of the replaceable energy storage device to a further electromechanical interface of the electrical device, b. Applying a first measurement signal to a first signal or data contact of the further electromechanical interface of the electrical device without a charging or discharging current flowing, c. Detecting a first voltage drop between the first signal or data contact and a first power contact of the further electromechanical interface of the electrical device that is operatively connected to the first signal or data contact, d.The process involves: e. additionally applying a charging or discharging current to the power contact of the further electromechanical interface of the electrical device; e. re-measuring the first voltage drop between the first signal or data contact and the first power contact of the further electromechanical interface of the electrical device; and f. calculating a voltage difference between the first voltage drops measured in step c and step e. Furthermore, DE 10 2021 212 799 A1 discloses a system for carrying out the method comprising an electrical energy storage device, in particular a replaceable battery pack, with a first electromechanical interface having a plurality of electrical contacts, and an electrical device, in particular a charger or an electrical consumer, with a control unit and a further electromechanical interface having a plurality of electrical contacts.

[0003] DE 20 2022 106 322 U1 discloses a control circuit for operating an electrical energy storage device with at least one electrical switching element arranged in a current path for a charging or discharging current for interrupting the charging or discharging current and with a suppressor diode connected in parallel to the electrical switching element to protect the electrical switching element from overvoltage, in particular when the electrical switching element opens. To dampen transients caused by a switching operation of the electrical switching element, in particular when the electrical switching element opens, an electrical damping element is connected in parallel to the suppressor diode. TASK AND SOLUTION

[0004] The invention is based on the objective of providing an adapter set, an electrically driven processing device, a system comprising such an adapter set and such an electrically driven processing device, and a method for operating such an electrically driven processing device using such an adapter set, each of which has improved properties.

[0005] The invention solves the problem by providing an adapter set, an electrically driven processing device, and a method described in the independent claims. Advantageous further developments and / or embodiments of the invention are described in the dependent claims.

[0006] The adapter set according to the invention is designed to apply a total electrical supply voltage or total drive power to an electrically driven processing device for operating the processing device. The total supply voltage is provided by at least, and in particular precisely, one external electrical voltage source. The processing device has at least, and in particular precisely, two series-connected battery pack interfaces for detachable electrical connection to at least, and in particular precisely, two battery packs, each for applying a fraction of the total supply voltage for operating the processing device, and in particular with the total supply voltage. The adapter set has at least, and in particular precisely, one source interface, and in particular precisely, one battery pack adapter and at least, and in particular precisely, one short-circuit module.The source interface is designed for detachable electrical connection to the voltage source. The battery pack adapter has, in particular, a voltage device interface. The voltage device interface is designed for electrical connection to the source interface, and in particular, is electrically connected to the source interface. The voltage device interface is designed for detachable electrical connection to, in particular, a battery pack interface for applying the total supply voltage to the battery pack interface for operating the processing device. The short-circuit module has, in particular, a short-circuit device interface.The short-circuit device interface is designed for detachable electrical connection to, in particular, another battery pack interface for electrically short-circuiting the other battery pack interface to operate the processing device. The source interface, the battery pack adapter, and the short-circuit module of the adapter set are, in particular, completely different.

[0007] The battery pack interfaces, especially when electrically connected to the battery packs, enable, in particular, the application of the total supply voltage to the processing device and thus, the operation of the processing device with the, in particular, complete, total supply voltage or a higher voltage and thus with higher power, especially in comparison to a non-inventive exactly one battery pack interface when electrically connected to exactly one battery pack.

[0008] The adapter set, especially when electrically connected to the power source and the battery pack interfaces, enables the operation of the processing device with the total supply voltage.

[0009] Additionally, this allows for a simple and / or cost-effective design of the processing device and / or the adapter set.

[0010] In particular, the adapter set can be a component, a single piece, or a one-piece assembly.

[0011] The setup and / or operation can be automatic and / or via an electrical connection.

[0012] The phrases "forward to" or "provide to" can be used synonymously with the phrase "apply to".

[0013] The phrase "caused or effected by electrical connection" can be used synonymously with the phrase "in the case of electrical connection".

[0014] The total supply voltage can have a value and / or be a DC voltage.

[0015] The terms "encompass" or "have" can be used synonymously with the term "exhibit".

[0016] The terms “configured”, “set up” or “intended” can be used synonymously with the term “trained”.

[0017] The term "delivered" can be used synonymously with the term "provided".

[0018] The phrase “in series” can be used synonymously with the term “serial”.

[0019] The term "verschaltet" can be used synonymously with the term "geschaltet".

[0020] Switching can mean electrically switched.

[0021] The term / component "battery pack" can be used synonymously with the term / component "accumulator pack".

[0022] At one time, the battery pack interfaces can be connected, in particular either, to the battery packs or the adapter set, in particular the battery pack adapter and the short-circuit module.

[0023] Releasable can mean releasable by a user and / or without tools and / or non-destructively.

[0024] The term "coupling" can be used synonymously with the term "connecting".

[0025] The connection can be direct and / or mechanical.

[0026] The interfaces can be hardware interfaces.

[0027] The battery pack adapter can be a voltage battery pack adapter.

[0028] The short-circuit module can be a short-circuit battery pack dummy.

[0029] The term / component "bridges" can be used synonymously with the term / component "short circuit".

[0030] The term “remaining” or “other” can be used synonymously with the term “other”.

[0031] Furthermore, reference is made to the specialist literature.

[0032] In a further development of the invention, the battery pack adapter with its voltage device interface is configured for connection to a freely selectable battery pack interface. The short-circuit module with its short-circuit device interface is configured for connection to a freely selectable battery pack interface. In particular, the battery pack adapter with its voltage device interface and the short-circuit module with its short-circuit device interface are mechanically identical with respect to the processing device and externally with respect to the processing device, and in particular, they have an identical external shape.This allows for simple and / or user-friendly connection, especially since it is not necessary to pay attention to which battery pack interface the voltage device interface is connected to and which battery pack interface the short-circuit device interface is connected to. In particular, the term "any" can be used synonymously with "freely selectable." Additionally or alternatively, the interfaces do not need to have mechanical locking mechanisms. Furthermore, the respective bodies or housings of the battery pack adapter with its voltage device interface and the short-circuit module with its short-circuit device interface can have the same external shape.

[0033] In a further development of the invention, the voltage device interface has, in particular, two power supply contacts. These power supply contacts are designed, and in particular are wired, to apply the total supply voltage between them. Additionally or alternatively, the short-circuit device interface has, in particular, two short-circuit power contacts. These short-circuit power contacts are electrically short-circuited, and in particular are wired, for short-circuiting. This enables a particularly simple and / or cost-effective design of the processing device and / or the adapter set. In particular, the terms "terminal," "connection," or "terminal" can be used synonymously with "contact." Additionally or alternatively, the contacts can be plug-in contacts. In particular, the short-circuit module with its short-circuit power contacts can be a jumper and / or a short-circuit plug.

[0034] In a further development of the invention, the voltage device interface has at least, and in particular precisely, one voltage data contact. The voltage data contact is configured to provide battery pack adapter data to the processing device to enable operation. Additionally or alternatively, the short-circuit device interface has at least, and in particular precisely, one short-circuit data contact. The short-circuit data contact is configured to provide short-circuit module data to the processing device to enable operation. This can enable operation. In particular, the provision and / or the enabling can be automatic and / or upon electrical connection. Additionally or alternatively, the term "provide" can be used synonymously with the term "provide." Furthermore, additionally or alternatively, the contact can be a plug connector.Furthermore, or alternatively, the data contact and the power contacts can be completely different. Additionally, or alternatively, the battery pack adapter data and the short-circuit module data can be completely different, or even different in some way. In other words, the short-circuit module data does not need to mimic the battery pack adapter data. Furthermore, or alternatively, the data can have a value and / or content and / or be identification and / or registration data and / or be stored or stored in the adapter set and / or the power source. For further information, please refer to the relevant technical literature.

[0035] In one embodiment of the invention, the adapter set, in particular the short-circuit module, comprises an electrical component, especially a resistor. This component is electrically arranged between the short-circuit data contact and a short-circuit power contact of the short-circuit power contacts to generate an electrical dropout voltage provided by the processing device with the applied total supply voltage when electrically connected for making the short-circuit module data available. This enables simple provisioning. In particular, the term "component" can be used synonymously with the term "element." Additionally or alternatively, the generation can be automatic. Furthermore, additionally or alternatively, the dropout voltage can have a specific value and / or be a DC voltage. Furthermore, additionally or alternatively, the term "applied" can be used synonymously with the term "applied."Furthermore, or alternatively, the term "eingeschleift" can be used synonymously with the term "angeordnet".

[0036] In a further development of the invention, the short-circuit device interface is not internally configured for electrical connection to the source interface within the adapter set. This allows for a simpler design of the adapter set.

[0037] In a further development of the invention, the adapter set for looping through or passing through the total supply voltage, particularly unchanged, from the source interface to the voltage device interface, and in particular without a transformer. This allows for a simple design of the adapter set. In particular, a measuring resistor, a fuse, and / or a switch can be arranged or connected between the source interface and the voltage device interface.

[0038] In a further development of the invention, the adapter set includes a cable. The source interface and the voltage device interface are mechanically and electrically connected by means of the cable. Additionally or alternatively, the battery pack adapter and the short-circuit module are mechanically, and in particular not electrically, connected to each other, especially by means of a cable or chain of the adapter set. This allows for a single-piece design and / or ease of use of the adapter set. For further details, please refer to the relevant technical literature.

[0039] The electrically driven processing device according to the invention is designed for operation with, in particular, the total electrical supply voltage. The processing device has two battery pack interfaces connected in series. The processing device, with its battery pack interfaces, is designed for detachable electrical connection to the two battery packs, each for applying a fraction of the total supply voltage to operate the processing device. The processing device is designed with one battery pack interface, in particular a freely selectable one, for detachable electrical connection to the voltage device interface of the battery pack adapter of the adapter set for applying the total supply voltage to one battery pack interface for operating the processing device.The processing device is equipped with a different, in particular freely selectable, battery pack interface for detachable electrical connection to the short-circuit device interface of the adapter set for electrically short-circuiting the other battery pack interface to operate the processing device. The source interface, the battery pack adapter, and the short-circuit module of the adapter set are, in particular, completely different. The processing device can offer the same advantage(s) as previously mentioned for the adapter set. In particular, the processing device can be configured as described for the adapter set. Additionally or alternatively, the processing device can have at least, in particular exactly, two battery pack slots for the battery packs and / or the adapter set, in particular the battery pack adapter and the short-circuit module.In particular, the adapter set can be described as a "dual-shaft adapter solution". Furthermore, or alternatively, the machining device can include a machining tool and / or an electric drive motor, especially for driving the machining tool. The total supply voltage for the drive motor can be specified. For further information, please refer to the relevant technical literature.

[0040] In a further development of the invention, the processing device, in particular, comprises a suppressor diode. The suppressor diode is connected in parallel to the battery pack interfaces. In particular, the breakdown voltage, and especially a specific value thereof, of the suppressor diode is greater than the total supply voltage, and especially the total supply voltage. In other words, the suppressor diode, and especially a single one, can have a breakdown voltage above the total supply voltage. This allows the total supply voltage to be applied to a single battery pack interface to operate the processing device and / or protects the processing device, particularly from short-term voltage pulses. The English term "Transient Voltage Suppressor" (abbreviation: TVS) can be used synonymously with the term "suppressor diode".Additionally or alternatively, the English term "breakdown voltage" can be used synonymously with the term "breakdown voltage". For further information, please refer to the relevant literature.

[0041] In a further development of the invention, the battery pack interfaces each have at least, and in particular exactly, one battery pack data contact. The processing device with its battery pack data contacts is designed to receive the battery pack adapter data and the short-circuit module data from the adapter set to enable operation. This enables operation. In particular, the contacts can be plug-in contacts. Additionally or alternatively, the battery pack data contacts can be designed to connect to the voltage data contact and the short-circuit data contact. Furthermore, additionally or alternatively, the receiving and / or the enabling can be automatic and / or upon electrical connection. Furthermore, additionally or alternatively, the data can be stored or stored in the processing device.Additionally or alternatively, the processing device, in particular its motor electronics, can be configured to check the recorded battery pack adapter data and the recorded short-circuit module data before enabling operation. The English phrase "programmed to perform the function(s) of" can be used synonymously with "programmed" or "configured." For further information, please refer to the relevant technical literature.

[0042] In one embodiment of the invention, the battery pack interfaces each have, in particular, exactly two battery pack power contacts. The processing device, with the total supply voltage applied when electrically connected, is designed to apply the electrical dropout voltage between a battery pack power contact of the short-circuited battery pack interface and the battery pack data contact of, in particular, the same battery pack interface. This enables the provision of the power supply. In particular, the application can be automatic. Additionally or alternatively, the contacts can be plug-in contacts. Furthermore, additionally or alternatively, the data contacts and the power contacts can be, in particular, completely different. Furthermore, additionally or alternatively, the battery pack power contacts can be designed to connect to the voltage power contacts and the short-circuit power contacts.In particular, one battery pack power contact of the short-circuited battery pack interface can be configured to connect to one short-circuit power contact of the short-circuit power contacts, and the battery pack data contact of the battery pack interface can be configured to connect to the short-circuit data contact.

[0043] In a further development of the invention, the total supply voltage is a nominal voltage of the processing device of at least 10 V (volts), in particular at least 18 V, in particular at least 36 V, and / or at most 90 V, in particular at most 72 V.

[0044] In a further development of the invention, the processing device is ground- and / or hand-operated, in particular hand-carried, and / or a garden, forestry, construction, and / or soil cultivation device. In particular, the processing device is a saw, especially a chainsaw, or a pole pruner, or a hedge trimmer, or a hedge cutter, or a shrub cutter, or a branch cutter, or an angle grinder, or a rock cutter, or a blower, or a leaf blower, or a vacuum, or a leaf vacuum, or a cleaning device, or a high-pressure cleaner, or a sprayer, or a sweeper, or a sweeping roller, or a sweeping brush, or a lawnmower, or grass shears, or a brush cutter, or a scarifier, or a combination device consisting of several of the aforementioned processing device types. The foregoing is particularly advantageous for such a processing device.In particular, hand-held, especially hand-carried, processing equipment may mean that the processing equipment may have a mass of a maximum of 50 kg (kilograms), in particular a maximum of 20 kg, in particular a maximum of 10 kg, in particular a maximum of 5 kg, and / or a minimum of 0.2 kg, in particular a minimum of 0.5 kg, in particular a minimum of 1 kg, in particular a minimum of 2 kg, in particular with or without the battery packs and / or the adapter set.

[0045] The system according to the invention comprises the adapter set as described above and the electrically driven processing device as described above, and in particular the power source and / or the battery packs. In particular, the power source can be a battery pack, which may be different from the battery packs. Additionally or alternatively, the battery packs can be rechargeable. For further details, reference is made to the relevant technical literature.

[0046] The method according to the invention is for operating the electrically driven processing device as described above with the total supply voltage applied by means of and / or using the adapter set as described above. The source interface is electrically connected to the voltage source. The voltage device interface is electrically connected to the source interface and is electrically connected to one of the battery pack interfaces. Thus, the total supply voltage is applied to one of the battery pack interfaces for operating the processing device. The short-circuit device interface is electrically connected to another of the battery pack interfaces. Thus, the other battery pack interface is electrically short-circuited for operating the processing device.In other words: using the adapter set as mentioned above with the electrically driven processing device as mentioned above, and the processing device, in particular electrically connected to each other, to operate the processing device, in particular with the total supply voltage. In particular, the method, in particular the use, can be automatic. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] Further advantages and aspects of the invention will become apparent from the claims and from the description of exemplary embodiments of the invention, which are explained below with reference to the figures. These figures show: Fig. 1 a schematic view, in particular a circuit diagram, of a system according to the invention comprising an adapter set according to the invention and an electrically driven processing device according to the invention when carrying out a method according to the invention, and Fig. 2 Another schematic view of the adapter set and the processing device. DETAILED DESCRIPTION OF THE EXECUTION EXAMPLES

[0048] Fig. 1 and Fig. Figure 2 shows a system 100 according to the invention comprising an adapter set 1 according to the invention and an electrically driven processing device 51 according to the invention, and in particular a voltage source 101 and / or battery packs 102, when carrying out a method according to the invention.

[0049] Adapter set 1 is used to apply a total electrical supply voltage U to the electrically driven processing device 51 for operating the processing device 51. The total supply voltage U is provided by at least, and in particular precisely, the external electrical voltage source 101. The processing device 51 has at least, and in particular precisely, two series-connected battery pack interfaces 52, 53 for detachable electrical connection to at least, and in particular precisely, two battery packs 102, each for applying a fraction, in particular 1 / 2*U, of the total supply voltage U for operating the processing device 51. Adapter set 1 has at least, and in particular precisely, one source interface 2, one battery pack adapter 3, and at least, and in particular precisely, one short-circuit module 5. The source interface 2 is designed for detachable electrical connection to the voltage source 101.The battery pack adapter 3 has a voltage device interface 4. The voltage device interface 4 is designed for electrical connection to the source interface 2, in particular, it is electrically connected to the source interface 2. The voltage device interface 4 is designed for detachable electrical connection to one of the battery pack interfaces 52, 53 for applying the total supply voltage U to one of the battery pack interfaces 52 for operating the processing device 51, in particular, it is electrically connected and thus applies the voltage. The short-circuit module 5 has a short-circuit device interface 6. The short-circuit device interface 6 is designed for detachable electrical connection to another of the battery pack interfaces 53, 53 for electrically short-circuiting the other battery pack interface 53 for operating the processing device 51, in particular, it is electrically connected and thus electrically short-circuits the device.

[0050] The electrically driven processing device 51 is designed for operation with the total electrical supply voltage U. The processing device has two battery pack interfaces 52, 53 connected in series. The processing device 51, with its battery pack interfaces 52, 53, is designed for detachable electrical connection to the two battery packs 102, each for applying a fraction, in particular 1 / 2*U, of the total supply voltage U for operating the processing device 51. The processing device 51 is designed with one battery pack interface 52, in particular freely selectable, of the battery pack interfaces 52, 53 for detachable electrical connection to the voltage device interface 4 of the battery pack adapter 3 of the adapter set 1 for applying the total supply voltage U to one battery pack interface 52 for operating the processing device 51, in particular electrically connected.The processing device 51 is designed, in particular electrically connected, to another, in particular freely selectable, battery pack interface 53 of the battery pack interfaces 52, 53 for detachable electrical connection to the short-circuit device interface 6 of the short-circuit module 5 of the adapter set 1 for electrically short-circuiting the other battery pack interface 53 for operating the processing device 51.

[0051] The method is for operating the electrically driven processing device 51 using the adapter set 1. The source interface 2 is electrically connected to the voltage source 101. The voltage device interface 4 is electrically connected to the source interface 2 and is electrically connected to one of the battery pack interfaces 52 and 53. Thus, the total supply voltage U is present at one of the battery pack interfaces 52 for operating the processing device 51. The short-circuit device interface 6 is electrically connected to another of the battery pack interfaces 53. Thus, the other battery pack interface 53 is electrically short-circuited for operating the processing device 51.

[0052] In the illustrated embodiment, the fractions 1 / 2*U each represent half of the total supply voltage U. In alternative embodiments, the fractions can be different. For example, the fractions 1 / 3*U can each represent one-third of the total supply voltage U, particularly with three battery packs. Alternatively, one fraction 1 / 3*U can represent one-third of the total supply voltage U, and another fraction 2 / 3*U can represent two-thirds of the total supply voltage U, particularly with two battery packs. In particular, a fraction 2 / 3*U can represent a maximum of two-thirds of the total supply voltage U and / or be greater than zero. Additionally or alternatively, a fraction 1 / n*U can represent one nth of the total supply voltage U, particularly with n battery packs, where n is at least two.

[0053] In detail, the battery pack adapter 3, with its voltage device interface 4, is designed for connection to a freely selectable battery pack interface 52, 53. The short-circuit module 5, with its short-circuit device interface 6, is designed for connection to a freely selectable battery pack interface 52, 53. In particular, the battery pack adapter 3, with its voltage device interface 4, and the short-circuit module 5, with its short-circuit device interface 6, are mechanically identical with respect to the processing device 51, and in particular, they have an identical external shape AF.

[0054] Furthermore, the processing device 51 has a suppressor diode 54. The suppressor diode 54 is connected in parallel to the battery pack interfaces 52, 53. In particular, the breakdown voltage DU of the suppressor diode 54 is greater than the total supply voltage U.

[0055] Furthermore, the voltage device interface 4 has two power supply contacts 7, 8. The power supply contacts 7, 8 are designed, and in particular wired, to apply the total supply voltage U between them. Additionally or alternatively, the short-circuit device interface 6 has two short-circuit power contacts 9, 10. The short-circuit power contacts 9, 10 are electrically short-circuited, and in particular wired, for short-circuiting.

[0056] Furthermore, the voltage device interface 4 has a voltage data contact 11. The voltage data contact 11 is designed to provide battery pack adapter data SD to the processing device 51 for enabling operation, in particular, it provides this data. Additionally or alternatively, the short-circuit device interface 6 has a short-circuit data contact 12. The short-circuit data contact 12 is designed to provide short-circuit module data KD to the processing device 51 for enabling operation, in particular, it provides this data.

[0057] Furthermore, the battery pack interfaces 52, 53 each have a battery pack data contact 55, 56. The processing device 51 with its battery pack data contacts 55, 56 is designed to receive the battery pack adapter data SD and the short-circuit module data KD from the adapter set 1 to enable operation, in particular, it receives

[0058] In detail, the battery pack interfaces 55, 56 each have two battery pack power contacts 57, 58, 59, 60. The processing device 51 with the applied total supply voltage U when electrically connected is designed to apply an electrical drop voltage AU between a battery pack power contact 60 of the short-circuited battery pack interface 53 and the battery pack data contact 56 of the battery pack interface 53, in particular, applies.

[0059] Furthermore, the adapter set 1, in particular the short-circuit module 5, comprises an electrical component 13, in particular a resistor 13'. The component 13 is electrically arranged, in particular generated, between the short-circuit data contact 12 and a short-circuit power contact 9, 10 of the short-circuit power contacts 9, 10 for generating the electrical drop voltage AU provided by the processing device 51 with the applied total supply voltage U when electrically connected for making the short-circuit module data KD available.

[0060] Furthermore, the adapter set 1 is designed to loop through the total supply voltage U from the source interface 2 to the voltage device interface 4, in particular without a transformer, in particular by looping through.

[0061] Furthermore, adapter set 1 includes a cable 14. The source interface 2 and the voltage device interface 4 are mechanically and electrically connected by means of the cable 14. Additionally or alternatively, the battery pack adapter 3 and the short-circuit module 5 are mechanically, but not electrically, connected to each other, in particular by means of a rope 15 or a chain of adapter set 1.

[0062] In alternative embodiments, the short-circuit module need not be connected to the battery pack adapter, and in particular not to the source interface, specifically not mechanically or electrically. In other words, the short-circuit module can be separate from the battery pack adapter, and especially from the source interface. Again, in other words, the adapter set can consist of at least, and in particular exactly, two components, or be two-part.

[0063] Furthermore, the total supply voltage U is a nominal voltage NU of the processing device 51 of a minimum of 10 V, in particular a minimum of 18 V, in particular a minimum of 36 V, and / or a maximum of 90 V, in particular a maximum of 72 V.

[0064] Furthermore, the processing device 51 is ground- and / or hand-operated, in particular hand-carried, and / or a garden, forestry, construction and / or soil cultivation device 51'. In particular, the processing device is a saw, in particular a chainsaw, or a pole pruner, or a hedge trimmer, or a hedge cutter, or a shrub cutter, or a branch cutter, or an angle grinder, or a rock cutter, or a blower, or a leaf blower, or a vacuum cleaner, or a leaf vacuum, or a cleaning device, or a pressure washer, or a sprayer and / or mister, or a sweeper, or a sweeping roller, or a sweeping brush, or a lawnmower, or grass shears, or a brush cutter, or a scarifier or a combination device consisting of several of the aforementioned processing device types.

[0065] As the exemplary embodiments shown and explained above make clear, the invention provides an advantageous adapter set, an advantageous electrically driven machining device, an advantageous system comprising such an adapter set and such an electrically driven machining device, and an advantageous method for operating such an electrically driven machining device using such an adapter set, each having improved properties.

Claims

[1] Adapter set (1) for applying a total electrical supply voltage (U), provided by at least, in particular exactly, one external electrical voltage source (101), to an electrically driven processing device (51) for operating the processing device (51), which has at least, in particular exactly, two serially connected battery pack interfaces (52, 53) for detachable electrical connection with at least, in particular exactly, two battery packs (102), each for applying a fraction of the total supply voltage (U) for operating the processing device (51), wherein the adapter set (1) comprises: - at least, in particular exactly, a source interface (2) designed for detachable electrical connection to the voltage source (101), - a battery pack adapter (3) having a voltage device interface (4) designed for electrical connection to the source interface (2), in particular electrically connected to the source interface (2), and for detachable electrical connection to a battery pack interface (52) of the battery pack interfaces (52, 53) for applying the total supply voltage (U) to the battery pack interface (52) designed for operating the processing device (51), and - at least, in particular exactly, a short-circuit module (5) having a short-circuit device interface (6) designed for detachable electrical connection with another battery pack interface (53) of the battery pack interfaces (52, 53) for electrical short-circuiting the other battery pack interface (53) for operating the processing device (51), - wherein the source interface (2), the battery pack adapter (3) and the short-circuit module (5) of the adapter set (1) are, in particular completely, different. [2] Adapter set (1) according to claim 1, - wherein the battery pack adapter (3) is configured with its voltage device interface (4) for connection to a freely selectable battery pack interface (52, 53) of the battery pack interfaces (52, 53), and wherein the short-circuit module (5) is configured with its short-circuit device interface (6) for connection to a freely selectable battery pack interface (52, 53) of the battery pack interfaces (52, 53), - in particular wherein the battery pack adapter (3) with its voltage device interface (4) and the short-circuit module (5) with its short-circuit device interface (6) are mechanically identical with respect to the processing device (51), in particular having an identical external shape (AF). [3] Adapter set (1) according to claim 1 or 2, - wherein the voltage device interface (4) has two voltage power contacts (7, 8) which are designed, in particular wired, to apply the total supply voltage (U) between the voltage power contacts (7, 8), and / or - wherein the short-circuit device interface (6) has two short-circuit power contacts (9, 10) which are electrically short-circuited, in particular wired, for short-circuiting. [4] Adapter set (1) according to one of claims 1 to 3, - wherein the voltage device interface (4) has a voltage data contact (11) configured to provide battery pack adapter data (SD) to the processing device (51) for enabling operation, and / or - wherein the short-circuit device interface (6) has a short-circuit data contact (12) which is configured to provide short-circuit module data (KD) to the processing device (51) for enabling operation. [5] Adapter set (1) according to claims 3 and 4, - wherein the adapter set (1), in particular the short-circuit module (5), comprises an electrical component (13), in particular a resistor (13'), which is electrically arranged between the short-circuit data contact (12) and a short-circuit power contact (9, 10) of the short-circuit power contacts (9, 10) for generating an electrical drop voltage (AU) provided by the processing device (51) with the total supply voltage (U) when electrically connected for providing the short-circuit module data (KD). [6] Adapter set (1) according to any one of claims 1 to 5, - wherein the adapter set (1) is designed to loop through the total supply voltage (U) from the source interface (2) to the voltage device interface (4), in particular without a transformer. [7] Adapter set (1) according to any one of claims 1 to 6, - wherein the adapter set (1) comprises a cable (14), wherein the source interface (2) and the power device interface (4) are mechanically and electrically connected by means of the cable (14), and / or - wherein the battery pack adapter (3) and the short-circuit module (5) are mechanically connected to each other, and in particular not electrically. [8] Electrically driven processing device (51) for operation with a total electrical supply voltage (U), - wherein the processing device (51) has two serially connected battery pack interfaces (52, 53), - wherein the processing device (51) with its battery pack interfaces (52, 53) is designed for detachable electrical connection with two battery packs (102) each for applying a fraction of the total supply voltage (U) for operating the processing device (51), - wherein the processing device (51) is designed with a battery pack interface (52), in particular a freely selectable one, of the battery pack interfaces (52, 53) for detachable electrical connection to a voltage device interface (4) of a battery pack adapter (3) of an adapter set (1) for applying the total supply voltage (U) to the battery pack interface (52) for operating the processing device (51), and - wherein the processing device (51) is equipped with another, in particular freely selectable, battery pack interface (53) of the battery pack interfaces (52, 53) for detachable electrical connection to a short-circuit device interface (6) of a short-circuit module (5) of an adapter set (1) for electrically short-circuiting the other battery pack interface (53) for operating the processing device (51), - wherein a source interface (2), the battery pack adapter (3) and the short-circuit module (5) of the adapter set (1) are, in particular completely, different. [9] Electrically driven processing device (51) according to claim 8, - wherein the processing device (51) has a suppressor diode (54) connected in parallel to the battery pack interfaces (52, 53), in particular wherein a breakdown voltage (DU) of the suppressor diode (54) is greater than the total supply voltage (U). [10] Electrically driven processing device (51) according to claim 8 or 9, - wherein the battery pack interfaces (52, 53) each have a battery pack data contact (55, 56), - wherein the processing device (51) with its battery pack data contacts (55, 56) is designed to receive battery pack adapter data (SD) and short circuit module data (KD) from the adapter set (1) to enable operation. [11] Electrically driven processing device (51) according to claim 10, - wherein the battery pack interfaces (52, 53) each have two battery pack power contacts (57, 58, 59, 60), - wherein the processing device (51) is designed to apply an electrical drop voltage (AU) between a battery pack power contact (60) of the short-circuited battery pack interface (53) and the battery pack data contact (56) of the battery pack interface (53) when electrically connected. [12] Electrically driven processing device (51) according to any one of claims 8 to 11, - wherein the total supply voltage (U) is a nominal voltage (NU) of the processing device (51) of a minimum of 10 V, in particular a minimum of 18 V, in particular a minimum of 36 V, and / or a maximum of 90 V, in particular a maximum of 72 V. [13] Electrically driven processing device (51) according to any one of claims 8 to 12, - wherein the processing implement (51) is ground- and / or hand-guided, in particular hand-carried, and / or a garden, forestry, construction and / or soil cultivation implement (51'), - in particular wherein the processing equipment (51) is a saw, or a pole pruner, or a hedge shear, or a hedge cutter, or a shrub cutter, or a branch cutter, or an angle grinder, or a rock cutter, or a blower, or a leaf blower, or a vacuum, or a leaf vacuum, or a cleaning equipment, or a pressure washer, or a sprayer and / or mister, or a sweeper, or a sweeping roller, or a sweeping brush, or a lawn mower, or grass shears, or a brush cutter, or a scarifier or a combination of several of the aforementioned processing equipment types. [14] System (100) comprising the adapter set (1) according to any one of claims 1 to 7 and the electrically driven processing device (51) according to any one of claims 8 to 13, and in particular the voltage source (101) and / or the battery packs (102). [15] Method for operating the electrically driven processing device (51) according to one of claims 8 to 13 using the adapter set (1) according to one of claims 1 to 7, - wherein the source interface (2) is electrically connected to the voltage source (101), - wherein the voltage device interface (4) is electrically connected to the source interface (2) and is electrically connected to one of the battery pack interfaces (52, 53), whereby the total supply voltage (U) is available at one of the battery pack interfaces (52) for operating the processing device (51), and - wherein the short-circuiting device interface (6) is electrically connected to another battery pack interface (53) of the battery pack interfaces (52, 53), thereby electrically short-circuiting the other battery pack interface (53) for operating the processing device (51).

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