WO2023227614A1 - Système de charge, système d'appareil électrique et procédé de charge d'une batterie rechargeable - Google Patents

Système de charge, système d'appareil électrique et procédé de charge d'une batterie rechargeable Download PDF

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Publication number
WO2023227614A1
WO2023227614A1 PCT/EP2023/063809 EP2023063809W WO2023227614A1 WO 2023227614 A1 WO2023227614 A1 WO 2023227614A1 EP 2023063809 W EP2023063809 W EP 2023063809W WO 2023227614 A1 WO2023227614 A1 WO 2023227614A1
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WO
WIPO (PCT)
Prior art keywords
charging
adapter
designed
battery
interface
Prior art date
Application number
PCT/EP2023/063809
Other languages
German (de)
English (en)
Inventor
Mark Heilig
Jan Becker
Roy Dattatreya
Original Assignee
Alfred Kärcher SE & Co. KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alfred Kärcher SE & Co. KG filed Critical Alfred Kärcher SE & Co. KG
Publication of WO2023227614A1 publication Critical patent/WO2023227614A1/fr

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00036—Charger exchanging data with battery
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • H02J7/0045—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries

Definitions

  • the present invention relates to a charging system for a battery-operated electrical device, in particular in the form of a power tool, a household or garden tool, wherein the charging system has at least one rechargeable battery with a first control and / or regulating device, in particular for controlling, regulating and monitoring the charging, discharging and a battery state, and a charging device for charging the rechargeable battery.
  • the invention further relates to an electrical appliance system comprising at least one battery-operated electrical appliance, in particular in the form of a power tool, a household or garden appliance, at least one rechargeable battery for supplying the at least one electrical appliance with electrical energy and a charging system for charging the rechargeable battery.
  • an electrical appliance system comprising at least one battery-operated electrical appliance, in particular in the form of a power tool, a household or garden appliance, at least one rechargeable battery for supplying the at least one electrical appliance with electrical energy and a charging system for charging the rechargeable battery.
  • the invention relates to a method for charging a rechargeable battery, which comprises a first control and/or regulating device, which is in particular designed to control, regulate and monitor the charging and/or discharging of the rechargeable battery, wherein the rechargeable battery is designed to Supplying an electrical device, especially in the form of a power tool, a household or garden appliance, with electrical energy.
  • Charging systems of the type described above are known in a variety of ways.
  • battery-operated electrical devices for example power tools, household or garden appliances, which are operated with rechargeable batteries whose battery voltages are greater than 5 volts, for example 18 volts or 36 volts, are charged with charging devices in the form of proprietary chargers that are specific to the respective electrical devices - Rechargeable batteries, hereinafter also referred to as battery packs, are specifically designed.
  • These chargers are used to regulate the battery-specific charging parameters, in particular a charging current.
  • Such charging systems generally require a special charger to be provided for each type of rechargeable battery. In this way, large amounts of electronic waste are generated every year because, due to their specific adaptation, the chargers can only be used for the rechargeable batteries or battery packs assigned to them.
  • the charging device comprises at least one charging device and an adapter device
  • the charging device comprises a charging device housing
  • the adapter device comprises an adapter device housing, which the charging device housing and the adapter device housing are designed separately from one another, that the adapter device and the charging device are connected or can be connected to one another in a charging position via a connecting cable or a direct plug connection
  • the at least one charging device comprises a second control and / or regulating device for controlling and / or regulating charging parameters during the charging process and that in the Charging position
  • the first control and / or regulation device and the second control and / or regulation device are communicatively connected to one another for transmitting charging parameters specific for the at least one rechargeable battery from the first control and / or regulation device to the second control and / or regulation device .
  • Such a charging system makes it possible, in particular, to use standard chargers to charge the rechargeable batteries.
  • the charging device which is arranged or designed in a separate charging device housing, thus forms an independent charger, which can be coupled to the rechargeable battery via the battery-specific adapter device in order to charge it.
  • a number of different battery types can be charged with a single charger. All that is required is different adapter devices adapted to the respective battery types.
  • the adapter devices themselves can be provided with minimal electronic components. In particular, when designing the adapter devices, it is possible to completely dispense with power electronics that are required to charge the rechargeable battery.
  • the charging device also referred to below as a charger
  • a direct plug connection can in particular include a plug element on the adapter device and a corresponding plug element on the charging device, which are engaged in the charging position, in particular non-positively and/or positively to form an electrical and mechanical connection between the adapter device and the charging device.
  • Rechargeable batteries within the meaning of this application include one or more battery cells, which are preferably identical. In particular, these can be lithium ion cells.
  • the charging device includes power electronics, if the power electronics is exclusively included in the charging device and if the adapter device is designed without power electronics.
  • power electronics all relevant electrical power components required for charging the rechargeable battery, referred to as power electronics, can be integrated into the charging device, i.e. the so-called charger. Dispensing with power electronics in the adapter device simplifies its structure and also minimizes the costs of its production.
  • the charging device is preferably designed to provide a charging power of at least 50 watts, in particular at least 120 watts.
  • rechargeable batteries in particular with nominal voltages greater than 5 volts, for example 18 volts, 36 volts or 48 volts, can be charged quickly and safely.
  • the charging device is designed in the form of a USB charger.
  • Providing the charging device as a USB charger makes it possible, in particular, to create a universal charging system.
  • commercially available USB chargers can be used to ultimately charge any rechargeable batteries for battery-operated electrical devices.
  • Only the adapter devices are specific to the respective battery type. However, these are preferably designed so that they can be coupled to any USB chargers that are designed to provide the required charging parameters such as charging voltage, charging current and charging power in order to charge the rechargeable batteries.
  • USB chargers can be provided in hotels.
  • the charger is preferably designed at least in accordance with the USB 3.1 PD standard.
  • Such chargers and their further developments towards higher performance enable the external control of charging parameters, for example by transmitting corresponding control signals from the rechargeable battery, in particular the first control and/or regulating device.
  • the chargers therefore do not have to maintain the battery-specific charging parameters themselves, for example in a storage device of the same. Rather, they are transmitted by the battery being charged. This makes it possible to use such chargers to charge battery types that will only be available in the future.
  • the charging device is designed to charge rechargeable batteries with a battery voltage greater than 5 volts, in particular with battery voltages of at least 18 volts or at least 36 volts.
  • rechargeable batteries in particular can be used to operate electrical devices that use operating voltages that are greater than 5 volts, in particular battery voltages of 18 volts or, for example, 36 volts or 48 volts.
  • the adapter device comprises a first adapter interface device, that the at least one rechargeable battery comprises a battery interface device and that the first adapter interface device and the battery interface device are designed to correspond to one another for mechanical and electrical coupling to one another in a first coupling position.
  • This design of the adapter device enables light a defined coupling in mechanical and electrical terms between the battery and the adapter device in the first coupling position.
  • a defined connection between the rechargeable battery and the adapter device can be ensured in order to charge the rechargeable battery in the charging position, in which the adapter device and the charging device are connected to one another via a direct plug connection or a connecting cable.
  • the direct plug connection or the connecting cable is permanently and permanently connected to the adapter device or to the charging device.
  • the connecting cable or a plug connector of the plug connection is therefore fixed either to the adapter device or the charging device, so that only a detachable connection is provided, namely between the connecting cable or the plug connector and the charging device or the connecting cable or the plug connector and the adapter device. This minimizes the number of contact points for operating the charging system. This can in particular improve the reliability of the charging system in use.
  • the adapter device comprises a second adapter interface device
  • the connecting cable comprises a first connecting cable interface device and if the second adapter interface device and the first connecting cable interface device are designed to correspond to one another for mechanical and electrical coupling to one another in a second coupling position.
  • the connecting cable and the adapter device can be detachably connected to one another.
  • the interface is defined here by the second adapter interface device and the first connecting cable interface device corresponding to this.
  • the charging device comprises a first charging device interface, if the connecting cable comprises a second connecting cable interface device and if the first charging device interface device and the second connecting cable interface device are designed to correspond to one another for mechanical and electrical coupling to one another in a third coupling position.
  • This configuration makes it possible, in particular, to release a connection between the connecting cable and the charging device.
  • the adapter device can be separated from the charging device quickly and safely. If the connecting cable has both a first connecting cable interface device and a second connecting cable interface device, the connecting cable, if it is damaged, for example, can easily be replaced by a new connecting cable in the charging system. The adapter device and the charging device can then continue to be used with the new connection cable.
  • the second adapter interface device, the first connecting cable interface device, the second connecting cable interface device and the first charging device interface device are designed in the form of USB interface devices.
  • they can be designed in the form of USB sockets or corresponding USB plugs.
  • USB sockets can be provided on the adapter device and on the charging device.
  • the connection cable can, for example, include two USB plugs.
  • a conventional USB connection cable can be used for the charging system in order to electrically connect the charging device and the adapter device to one another.
  • the connecting cables can also include one or more data lines in order to exchange data between the adapter device and the charging device and thus indirectly also between the charging device and the rechargeable battery, in particular the first control and/or regulating device.
  • the charging devices and the rechargeable battery in particular their first and second control and/or regulating devices, can thus communicate with one another.
  • the USB interface devices are advantageously designed in the form of USB-C interface devices.
  • they can be designed in the form of interface devices of the USB-C 3.1 type or higher.
  • Such interface devices can be used in particular to use charging devices with high charging powers, which provide high currents when charging, for example up to 5 amperes.
  • first adapter interface device, the second adapter interface device, the first connecting cable interface device, the second connecting cable interface device and the first charging device interface device include at least one communication contact for transmitting and exchanging data between the first control and / or regulation device and the second control and /or control device.
  • parameters relevant to charging the rechargeable battery can be exchanged between the rechargeable battery and the charging device, in particular before the start of a charging process or during a charging process, at regular or irregular intervals or even continuously.
  • This embodiment has the particular advantage that the charging device itself does not have to provide any charging parameters in order to charge the rechargeable battery.
  • All of the parameters required for this can be stored in the form of data in a data memory of the rechargeable battery and can then be transferred from the rechargeable battery to the charging device when the rechargeable battery and the charging device are electrically and communicatively connected to one another in the charging position.
  • only control signals can be transmitted from the rechargeable battery to the charging device in order to control it in such a way that the charging voltage and the required charging current required to charge the rechargeable battery can be available at all times.
  • the charging system can be designed in a simple and cost-effective manner if the connecting cable is in the form of a USB connecting cable is.
  • it can be designed in the form of a USB-C type connecting cable. So no special connection cable is required here, but a conventional standard USB-C connection cable can be used.
  • a user can put together his charging system in the desired way, depending on whether he needs a short or a long connection cable due to a spatial situation.
  • the adapter device comprises a communication device which is designed to transmit and exchange data between the first control and/or regulation device and the second control and/or regulation device.
  • the communication device of the adapter device can be used in particular to transmit data and/or control signals from the rechargeable battery to the charging device.
  • Such a communication device can be provided in particular if the rechargeable battery is designed, for example, not to communicate directly with a charger of the USB-C 3.1 PD type.
  • the communication device can in particular be designed to effectively couple rechargeable batteries and charging devices that use different communication protocols to one another.
  • the communication device preferably comprises a microcontroller, which is connected or can be connected in a communication-effective manner to the control and/or regulation device of the at least rechargeable battery and the control and/or regulation device of the at least one charging device.
  • a microcontroller With such a microcontroller, communication between the rechargeable battery and the charging device can be easily implemented. In particular, it is possible to implement different data transmission protocols with the microcontroller. It then forms a type of translation device that enables communication between the rechargeable battery and the charging device.
  • the charging device includes a second charging device interface device for direct or indirect mechanical and electrical coupling to a power supply network. With the second charging device interface device, the charging device can then be plugged directly into a socket that is connected to a power supply network, for example via a plug arranged or formed on the charging device housing, and thus supplied with power.
  • the second charging device interface device is designed for mechanical and electrical coupling to a power supply cable.
  • This configuration makes it possible, in particular, to separate the power connection cable from the charging device if necessary.
  • different power connection cables can be provided for different power supply networks whose sockets are different. This makes it possible, for example, to use charging devices worldwide, but only add the appropriate power cable to the charging system for different countries.
  • the second charging device interface device comprises a plug-in connection device or a power connection cable that is inextricably connected to the charging device when the charging device is used as intended, the plug-in connection device and the power connection cable being designed for direct mechanical and electrical coupling, for example to a socket.
  • the proposed further development makes it possible, in the case of a plug connection device arranged on the charging device housing, to couple the charging device directly to a socket or to couple it to a socket via the power connection cable connected to the charging device.
  • the plug connection device for example in the form of a plug, in particular a power plug, enables a particularly compact design of the charging device.
  • the power connection cable makes it possible, in particular, to position the charging device spatially separate from a socket for charging a rechargeable battery.
  • the task set at the beginning is further achieved according to the invention in an electrical appliance system of the type described above in that the charging system is designed in the form of one of the charging systems described above.
  • An electrical appliance system further developed in the proposed manner then has the advantages already explained above in connection with the described advantageous embodiments of charging systems.
  • the charging devices of the charging system of the electrical appliance system make it possible to charge different rechargeable batteries.
  • the charging devices can be individually adapted to different battery types using the proposed adapter device.
  • the battery-operated household or garden appliance is designed in the form of a cleaning device, in particular in the form of a suction device, a high-pressure cleaning device, a steam cleaning device, a sweeper, a saw, a blower, a lawn mower or a hedge trimmer.
  • a cleaning device in particular in the form of a suction device, a high-pressure cleaning device, a steam cleaning device, a sweeper, a saw, a blower, a lawn mower or a hedge trimmer.
  • the electrical appliance system can also include different types of batteries, which can, however, be charged with a single charging device.
  • the electrical appliance system can include different adapter devices that correspond to the respective battery types.
  • the electrical appliance system can of course also include two or more charging devices. In principle, however, a single charging device would be sufficient.
  • the adapter device includes not just one, but two or more first adapter interface devices, so that the adapter device can be simultaneously coupled to two or more rechargeable batteries for charging the same.
  • the battery-operated electrical device is preferably designed to operate with at least one, in particular with only one, with two, three, four or more rechargeable batteries. This configuration makes it possible, in particular, when using two or more rechargeable batteries, to extend the operating time of the electrical device without having to change the battery.
  • the batteries can also be used connected in series to operate the electrical device. This allows higher operating voltages to be achieved.
  • the at least one rechargeable battery can optionally be coupled to different battery-operated electrical devices.
  • This configuration makes it possible, for example, to operate several electrical devices with just a single battery and a single charging device, not at the same time, but one after the other. Since a user can usually only operate one electrical device at the same time, he can use different electrical devices one after the other. To do this, all he has to do is remove the rechargeable battery from one electrical device and pair it with the other electrical device. If he only has one battery available, he has to stop working with his various electrical devices while the battery is charging. If he has several batteries available, he can replace the empty battery with a charged battery.
  • the task set at the beginning is further achieved according to the invention in a method of the type described above in that the rechargeable battery is charged with one of the charging systems described above, that the charging device is automatically controlled by the first control and / or regulating device and that the first tax - and/or control device of the charging device specifies charging parameters during the charging process.
  • the proposed further developed method makes it possible, in particular, to provide the charging devices of the charging system in a non-battery type-specific and non-electric device-specific manner. All information and parameters required for the charging of various types of rechargeable batteries does not have to be stored or provided in the charger, i.e. the charging device. In particular, the proposed charging system allows this information to be provided by the rechargeable battery. In this way, the charging device can also be used for future generations of battery types. It is not necessary to update the charging device to use it with new types of batteries. All information required for charging new battery types can be stored in the rechargeable battery, for example in the first control and / or regulation device or a storage device included in the rechargeable battery. In particular, a charging current and/or a charging voltage can be specified as charging parameters.
  • the charging parameters are specified at regular or irregular intervals or continuously during the charging process.
  • the first control and/or regulation device is also referred to as a battery management system (BMS).
  • BMS battery management system
  • Figure 1 a schematic representation of a first exemplary embodiment of a charging system
  • Figure 2 a schematic representation of a further exemplary embodiment of a charging system
  • Figure 3 a schematic representation of an electrical device system comprising several electrical devices and a charging system.
  • FIG. 1 an exemplary embodiment of a charging system 10 is shown schematically, which can be included, for example, in an electrical appliance system 12 shown schematically in Figure 3.
  • the electrical appliance system 12 includes at least one battery-operated electrical appliance 14.
  • three electrical appliances 14 are shown by way of example, in the form of a power tool 16, a household appliance 18 and a garden tool 20.
  • the charging system 10 shown schematically in Figure 1 includes a rechargeable battery 22 for supplying one of the electrical devices 14 with electrical energy.
  • Three rechargeable batteries 22 are shown schematically in FIG. 3; they are designed in the form of different battery packs 82a, 82b and 82c.
  • the rechargeable batteries 22 each include a first control and/or regulating device 30.
  • the first control and/or regulating device 30 is designed to control, regulate and monitor the charging, discharging and an operating state of the rechargeable battery 22.
  • the charging system 10 further comprises a charging device 32 for charging the rechargeable battery 22.
  • the charging device 32 includes a charging device 34 and an adapter device 36.
  • the charging device 34 includes a charging device housing 38.
  • the adapter device 36 includes an adapter device housing 40.
  • the charging device housing 38 and the adapter device housing 40 are designed separately from one another.
  • the adapter device 36 and the charging device 34 are connected or can be connected to one another in a charging position via a connecting cable 42.
  • the connecting cable 42 is shown separated from both the adapter device 36 and the charging device 34.
  • the charging device 34 includes a second control and/or regulating device 44 for controlling and/or regulating charging parameters during a charging process of the rechargeable battery 22.
  • the first control and/or regulation device 30 and the second control and/or regulation device 44 are designed in such a way that they are connected to one another in the charging position via the connecting cable 42 for communication purposes in order to transmit charging parameters specific to the rechargeable battery 22 from the first control - and/or regulating device 30 to the second control and/or regulating device 44.
  • the charging device 34 is also electrically connected to the adapter device 36 via the connecting cable 42 in order to conduct a charging current from the charging device 34 to the adapter device 36.
  • the adapter device 36 includes a first adapter interface device 46.
  • the rechargeable battery 22 includes a battery interface device 48.
  • the first adapter interface device 46 and the battery interface device 48 are designed to correspond to one another for mechanical and electrical coupling to one another in a first coupling position.
  • the rechargeable battery 22 is shown in a position separated from the adapter device 36. They are in the first coupling position the rechargeable battery 22 and the adapter device 36 are mechanically and electrically coupled to one another in a defined manner.
  • the adapter device 36 comprises a second adapter interface device 50.
  • the connecting cable 42 comprises a first connecting cable interface device 52 and a second connecting cable interface device 54.
  • the first connecting cable interface device 52 and the second adapter interface device 50 are designed to correspond to one another for mechanical and electrical coupling to one another in a second coupling position.
  • the second adapter interface device 50 and the first connecting cable interface device 52 are shown disengaged.
  • the charging device 34 comprises a first charging device interface device 56 and a second charging device interface device 58.
  • the first charging device interface device 56 and the second connecting cable interface device 54 are designed to correspond to one another for mechanical and electrical coupling to one another in a third coupling position.
  • the second connecting cable interface device 54 and the first charging device interface device 56 are disengaged.
  • the charging system 10 includes a power connection cable 60 with a power plug 62 at one end for connecting to a socket of a power supply network.
  • a connection plug 64 is arranged or formed, which can be brought into mechanical and electrical engagement with the second charging device interface device 58.
  • second charging device interface device 58 shown separately from the connection plug 64.
  • the battery interface device 48 is brought into engagement with the first adapter interface device 46.
  • the connecting cable 42 is brought into engagement with its first connecting cable interface device 52 with the second adapter interface device 50.
  • the second connection cable interface device 54 is brought into engagement with the first charger interface device 56.
  • the connector plug 64 of the power supply cable 60 is brought into engagement with the second shop facility interface device 58.
  • the power plug 62 is plugged into a socket.
  • the described connection of the components to one another now enables the rechargeable battery 22 to be charged automatically.
  • the rechargeable battery 22 and the charging device 34 communicate with one another.
  • the first control and/or regulation device 30 transmits data and information for controlling the charging device 34 via the adapter device 36 and the connecting cable 42 to the second control and/or regulation device 44 of the charging device 34.
  • a charging current is now provided by power electronics 66 of the charging device 34 and routed via the connecting cable 42 to the adapter device 36 and from there to the rechargeable battery 22 for charging one or more battery cells not shown in the figures for clarity , which are included in a battery case 68 of the rechargeable battery 22.
  • the second adapter interface device 50, the first connecting cable interface device 52, are the second Connection cable interface device 54 and the first charging device interface device 56 are designed in the form of USB interface devices 70.
  • USB interface devices 70 of the adapter device 36 and the charging device 34 are designed in the form of USB sockets 72, the USB interface devices 70 of the connecting cable 42 in the form of USB plugs 74.
  • the USB interface devices 70 are designed in the form of USB-C interface devices 76.
  • the USB-C interface devices 76 are designed in the form of interface devices of the USB-C 3.1 type.
  • the first adapter interface device 46, the second adapter interface device 50, the connecting cable interface device 52, the second connecting cable interface device 54 and the first Charger interface device 56 one or more communication contacts. These are not shown in the figures for clarity.
  • the connecting cable 42 is designed in the form of a USB connecting cable 78, specifically in the form of a connecting cable 42 of the USB-C type.
  • FIG. 10 A further exemplary embodiment of a charging system 10 is shown schematically in FIG. It corresponds in parts to the exemplary embodiment in Figure 1.
  • the same reference numbers are used as in the exemplary embodiments of Figures 1 and 3.
  • the rechargeable battery 22 and the adapter device 36 are designed identically to those in the exemplary embodiment of FIG. 1. This also applies to the connecting cable 42.
  • the only difference is in the charging device 34.
  • no second charging device interface device 58 is provided here, but rather a plug connection device 80, which is inextricably connected to the charging device housing 38 when the charging device 34 is used as intended.
  • the plug connection device 80 is designed in the form of a power plug, which can be plugged directly into a socket of a power supply network.
  • a power connection cable is arranged on the charging device housing 38, namely a power connection cable that is permanently connected to the charging device 34 when it is used as intended.
  • a power plug is in turn arranged on the power supply cable or is designed to engage with a socket on a power supply network.
  • the battery pack 82a has a nominal voltage of 18V and includes five battery cells, not shown.
  • the battery pack 82b has a nominal voltage of 36V and includes 10 battery cells, not shown.
  • the battery pack 82c has a nominal voltage of 36V and also includes 10 battery cells.
  • the battery cells of the battery packs 82a, 82b and 82c are each identical and designed in the form of lithium-ion cells.
  • the battery interface device 48 is designed identically in the battery packs 82a and 82b.
  • Each of the three battery packs 82a, 82b and 82c includes a first control and/or regulating device 30, which is designed in particular to control, regulate and monitor the charging, discharging and an operating state of the battery pack 82a, 82b or 82c.
  • the electrical appliance system 12 according to the exemplary embodiment of FIG. 3 comprises a plurality of differently designed adapter devices 36. They are designed in the form of adapters 84a to 84i.
  • the adapters 84a to 84i differ in the design of the first adapter interface device 46.
  • the first adapter interface devices 46 are designed identically, namely in the form of first adapter interfaces 86a.
  • the first adapter interface device 46 is designed in the form of a first adapter interface 86b.
  • the battery interface device 48 is designed in the form of a battery interface 88a in the battery packs 82a and 82b, and in the form of a battery interface 88b in the battery pack 82c.
  • the battery interfaces 88a and 88b are designed differently in terms of their shape and the design of the contacts.
  • the first adapter interface 86a is designed to correspond to the battery interface 88a.
  • the first adapter interface 86b is corresponding to the battery interface 88b. This makes it possible to couple rechargeable batteries 22 with adapter devices 36, in which the battery interface device 48 and the first adapter interface device 46 are designed to correspond to one another.
  • Each adapter 84a to 84i includes a second adapter interface device 50. This is designed in the form of a second adapter interface 90a, 90b or 90c.
  • the second adapter interface 90a is in the form of a USB socket 72.
  • the second adapter interface 90b is designed in the form of a USB cable 92 permanently and permanently connected to the adapter device 36 and a USB plug 74 arranged at the free end of the same.
  • the second adapter interface 90c is in the form of a USB plug 74 formed on the adapter device housing 40.
  • the adapter devices 84a to 84e each include identical second adapter interfaces 90a.
  • Adapters 84f and 84e include identical second adapter interfaces 90b.
  • the two adapters 84h and 84i include identical second adapter interfaces 90c.
  • Some of the adapters 84a to 84i include a communication device 94, which is designed to transmit and exchange data and signals, for example control signals, between the first control and / or regulation device 30 and the second control and / or regulation device 44.
  • the communication device 94 includes a microcontroller 96. In a charging position, this is or can be connected to the first control and/or regulation device 30 and the second control and/or regulation device 44 for communication purposes.
  • FIG. 3 also shows three exemplary embodiments of charging devices 34 in the form of chargers 98a, 98b and 98c.
  • the chargers 98a, 98b and 98c each include power electronics 66, which is accommodated in the charging device housing 38.
  • the second control and/or regulating device 44 is also included in this.
  • the chargers 98 include first charging device interface devices 56 which are in the form of USB sockets 72.
  • the chargers 98a, 98b and 98c can optionally be connected to one of the adapters 84a to 84i.
  • the connecting cable 42 with two USB plugs 74 is required, which are designed to correspond to the USB sockets 72.
  • the adapters 74f and 74g can be coupled with the USB plugs 74 on the USB cables 92 with the USB sockets 72 on the chargers 98a, 98b and 98c.
  • the chargers 98a, 98b and 98c can be coupled directly to the adapters 84h and 84i by plugging the USB plugs 74 into the USB sockets 72 of the respective chargers 98a, 98b and 98c, respectively.
  • the charging devices 34 further comprise a second charging device interface device 58.
  • the second charging device interface device 58 is designed in the three chargers 98a, 98b and 98c in the form of a second charger interface 104a, 104b and 104c, respectively.
  • the first charging device interface devices 56 are designed identically in the three chargers 98a, 98b and 98c in the form of first charger interfaces 102.
  • the second charger interface 104a is in the form of a power plug 62, which is arranged directly on the charger housing 38. So A compact charger 98a is formed, which can be plugged directly into a socket with the power plug 62.
  • the second charger interface 104b of the charger 98b comprises a connection cable 100 which is permanently, i.e. permanently connected to the charging device housing 38 and which has a power plug 62 at a free end which can be plugged into a socket.
  • the charger interface 104c is in the form of a connection socket 106, which corresponds to a connection plug 64 of a power cable 60.
  • the power connection cable 60 further includes a power plug 62 for plugging into a socket.
  • the electrical devices 14 shown schematically in Figure 3 include electrical device interfaces 108a and 108b for electrical and mechanical coupling to the battery interfaces 88a and 88b.
  • the electrical device interfaces 108a are designed to correspond to the battery interfaces 88a.
  • the electrical device interface 108b is designed to correspond to the battery interface 88b.
  • rechargeable batteries 22, whose battery interfaces 88a and 88b correspond to the electrical device interfaces 108a and 108b, respectively, can be connected to the respective electrical device 84 so that they can be supplied with electrical energy by the coupled battery 22.
  • FIG 3 shows schematically the electrical appliance 14 in the form of the household appliance 18 with two electrical appliance interfaces 108a.
  • This electrical device 14 can be coupled with two batteries 22.
  • the household or garden appliances 18 and 20, which are shown schematically in FIG. 3, can in particular be in the form of cleaning devices, for example in the form of suction devices, high-pressure cleaning devices, steam cleaning devices, sweeping devices, saws, blowers, lawn mowers or hedge trimmers.
  • cleaning devices for example in the form of suction devices, high-pressure cleaning devices, steam cleaning devices, sweeping devices, saws, blowers, lawn mowers or hedge trimmers.
  • suction devices for example in the form of suction devices, high-pressure cleaning devices, steam cleaning devices, sweeping devices, saws, blowers, lawn mowers or hedge trimmers.
  • battery-operated electrical devices 14 different numbers of electrical device interfaces 108a and 108b are provided. For example, only a single electrical device interface 108a or 108b can be provided or two, three, four or more.
  • the battery-operated electrical device 14 can be coupled with a corresponding number of rechargeable batteries 22, depending on the energy requirements of the electrical device.
  • the electrical appliance system 12 is further designed such that the rechargeable batteries 22 can optionally be coupled to different battery-operated electrical appliances 14.
  • the USB interface devices 70 are designed in the form of USB-C interface devices 76. In one exemplary embodiment, they are designed in particular in the form of interface devices in the form of the USB-C 3.1 type.
  • the chargers 98a, 98b and 98c shown schematically in Figure 3 are also designed to provide a charging power of at least 50W. In exemplary embodiments, they are designed to provide a charging power of at least 120W.
  • the chargers 98a, 98b and 98c are in the form of USB chargers.
  • the USB sockets 72 are designed, depending on the exemplary embodiment, in the form of USB-C sockets or USB-A sockets.
  • the chargers 98a, 98b and 98c are designed according to the USB 3.1 PD standard.
  • the charging devices 34 are designed to charge rechargeable batteries 22 with battery voltages that are greater than 5V.
  • the battery voltages can be at least 18V or at least 36V.
  • rechargeable batteries 22, which include first control and/or regulation devices 30, can be charged in a simple manner with charging devices 34 in the form of chargers 98a, 98b and 98c.
  • the charging device 34 is automatically controlled by the first control and/or regulating device 30 of the rechargeable battery 22, which specifies charging parameters to the charging device 34 before and/or during the charging process, namely in particular the charging current and the charging voltage.
  • the first control and/or regulating device 30 can specify the charging parameters during the charging process at regular or irregular intervals or even continuously.
  • all adapter devices 36 are designed without power electronics 66.
  • the power electronics 66 is exclusively included in the charging device 34.
  • the function of the adapter device 36 is therefore limited exclusively to the adaptation of the rechargeable battery 22 in electromechanical terms to the charging device 34 by appropriately designing its first and second adapter interface devices 46 and 50, respectively.
  • the proposed design of the charging system 10 enables the use of chargers 98a, 98b and 98c that are not specifically adapted to the rechargeable batteries 22, as is usually the case. Rather, these can be coupled using a corresponding adapter device 36 with different variants of rechargeable batteries 22 for charging the same.
  • the rechargeable batteries 22 can differ in shape and size as well as in their nominal voltage.
  • the charging devices 34 are controlled as described via the rechargeable batteries 22. This has the advantage that no information needs to be stored in the charging devices 34 that is specific to certain battery types. This information can be stored in the respective rechargeable battery 22. By controlling the charging device 34 when charging by the rechargeable battery 22, the charging devices 34 can also be used to charge battery types that will be available in the future.
  • the charging system 10 shown schematically in Figure 3 only shows a selection of possible configurations of rechargeable batteries 22, adapter devices 36 as well as charging devices 34 and electrical devices 14.
  • the respective interfaces of the components of the charging system 10 can ultimately be designed in any way, so that there are even more possible combinations than those shown in Figure 3 and described above.
  • exemplary embodiments of charging systems 10 can also include only a subset of the components shown in FIG. 3, depending on which electrical devices 14 are to be used with which rechargeable batteries 22. Only those adapter devices 36 and, in principle, only a single charging device 34 then have to be provided in order to be able to use the electrical device system 12.
  • Microcontroller a, 98b, 98c Charger 0 Connection cable 2 Charger interface 4a, 104b, 104c Charger interface 6 Connection socket 8a, 108b Electrical device interface

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

L'invention concerne un système de charge pour un appareil électrique fonctionnant sur batterie, en particulier sous la forme d'un outil électrique, d'un appareil électroménager ou d'un outil de jardinage. Le système de charge comprend : au moins une batterie rechargeable comprenant un premier dispositif de commande en boucle ouverte et/ou en boucle fermée, en particulier pour la commande en boucle ouverte, la commande en boucle fermée et la surveillance de la charge, de la décharge et d'un état de fonctionnement ; et un appareil de charge pour charger la batterie rechargeable. Le système de charge est caractérisé en ce que l'appareil de charge comprend au moins un dispositif de charge et un dispositif adaptateur, en ce que le dispositif de charge comprend un logement de dispositif de charge, en ce que le dispositif adaptateur comprend un logement de dispositif adaptateur, en ce que le logement de dispositif de charge et le logement de dispositif adaptateur sont séparés l'un de l'autre, en ce que le dispositif adaptateur et le dispositif de charge sont ou peuvent être interconnectés, dans une position de charge, au moyen d'un câble de connexion ou d'une connexion enfichable directe, en ce que ledit dispositif de charge comprend un second dispositif de commande en boucle ouverte et/ou en boucle fermée pour la commande en boucle ouverte et/ou la commande en boucle fermée de paramètres de charge lors d'un processus de charge, et en ce que, dans la position de charge, le premier dispositif de commande en boucle ouverte et/ou en boucle fermée et le second dispositif de commande en boucle ouverte et/ou en boucle fermée sont interconnectés en communication pour la transmission de paramètres de charge spécifiques à ladite batterie rechargeable du premier dispositif de commande en boucle ouverte et/ou en boucle fermée au second dispositif de commande en boucle ouverte et/ou en boucle fermée.
PCT/EP2023/063809 2022-05-24 2023-05-23 Système de charge, système d'appareil électrique et procédé de charge d'une batterie rechargeable WO2023227614A1 (fr)

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DE102022113138.6 2022-05-24
DE102022113138.6A DE102022113138A1 (de) 2022-05-24 2022-05-24 Ladesystem, Elektrogerätesystem und Verfahren zum Laden einer wiederaufladbaren Batterie

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Citations (5)

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US6172477B1 (en) * 1997-04-09 2001-01-09 Samsung Electronics Co., Ltd. Apparatus for charging a battery of a portable terminal
US20060087281A1 (en) * 2004-10-26 2006-04-27 Totex Design Limited Battery charger
US20070072474A1 (en) * 2005-04-27 2007-03-29 Nigel Beasley Flexible power adapter systems and methods
WO2014119174A1 (fr) * 2013-02-01 2014-08-07 株式会社マキタ Dispositif de cisaillement électrique pour jardinage
WO2022085924A1 (fr) * 2020-10-19 2022-04-28 주식회사 브로나인 Dispositif, procédé et programme d'alimentation électrique basés sur une analyse de spécification de puissance d'un dispositif électronique connecté

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Publication number Priority date Publication date Assignee Title
WO2001080396A1 (fr) 2000-04-13 2001-10-25 Makita Corporation Adaptateur pour chargeur de batterie
DE10107697C2 (de) 2001-02-19 2003-03-27 Metabowerke Gmbh Akkupack für ein Elektrowerkzeuggerät sowie Verwendung des Akkupacks
DE102009027571A1 (de) 2009-07-09 2011-05-12 Robert Bosch Gmbh Akkuladekoffer
US11552362B2 (en) 2018-11-16 2023-01-10 Ridge Tool Company Battery charging circuit integrated inside battery pack
DE102021104825A1 (de) 2021-03-01 2022-09-01 Einhell Germany Ag Energieversorgung eines Elektrogeräts mittels eines Akkupacks und Laden eines Akkupacks anhand eines Adapters

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6172477B1 (en) * 1997-04-09 2001-01-09 Samsung Electronics Co., Ltd. Apparatus for charging a battery of a portable terminal
US20060087281A1 (en) * 2004-10-26 2006-04-27 Totex Design Limited Battery charger
US20070072474A1 (en) * 2005-04-27 2007-03-29 Nigel Beasley Flexible power adapter systems and methods
WO2014119174A1 (fr) * 2013-02-01 2014-08-07 株式会社マキタ Dispositif de cisaillement électrique pour jardinage
WO2022085924A1 (fr) * 2020-10-19 2022-04-28 주식회사 브로나인 Dispositif, procédé et programme d'alimentation électrique basés sur une analyse de spécification de puissance d'un dispositif électronique connecté

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