Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M10/00—Secondary cells; Manufacture thereof
  • H01M10/05—Accumulators with non-aqueous electrolyte
  • H01M10/052—Li-accumulators
  • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
  • B60L50/00—Electric propulsion with power supplied within the vehicle
  • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
  • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
  • B60L50/64—Constructional details of batteries specially adapted for electric vehicles
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
  • B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
  • B62M6/40—Rider propelled cycles with auxiliary electric motor
  • B62M6/60—Rider propelled cycles with auxiliary electric motor power-driven at axle parts
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
  • B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
  • B62M6/80—Accessories, e.g. power sources; Arrangements thereof
  • B62M6/90—Batteries
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
  • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
  • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
  • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
  • H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
  • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
  • Y02E60/10—Energy storage using batteries

Definitions

• the present invention relates to a bicycle with an electric auxiliary drive, which has an electric machine operable at least as an electric motor, which is electrically conductively connected to the power supply to a first battery pack.
• a hub motor for power supply with an associated battery pack is electrically conductively connected to, for example, when driving uphill or when driving with headwind to find electrical propulsion application.
• the wheel hub motor which generally has an output of 250 to 500 W, can be arranged both in the front and in the rear wheel of a corresponding bicycle and, if necessary, can be switched on or off in pedal assisting versions. In this case, a respective force of a corresponding pedaling movement can also be sensed to enable an automated connection of the wheel hub motor.
• a disadvantage of the prior art is that the available battery packs have a limited energy density and thus can ensure a power supply of the wheel hub motor only over a limited duration or a limited range.
• An object of the invention is therefore to provide a new bicycle with an electric auxiliary drive, in which a life extension for the auxiliary drive can be achieved.
• a bicycle having an electric auxiliary drive which has an electric machine which can be operated at least as an electric motor and which can be electrically conductively connected to the power supply with a first battery pack.
• An adapter unit is provided, via which the first battery pack can be electrically conductively connected to at least one second battery pack.
• the invention thus makes it possible to provide a bicycle with an electric auxiliary drive, in which a runtime extension for the auxiliary drive can be achieved by using the second battery pack.
• the adapter unit has at least one first receiving bay, via which the at least one second battery pack can be mechanically and electrically connected to the adapter unit.
• the second battery pack can be designed as a low-cost, exchangeable Kirkupack.
• the first battery pack and the adapter unit can be connected to each other in a simple manner.
• the adapter unit has at least one second receiving bay, via which the at least one first battery pack can be mechanically and electrically connected to the adapter unit.
• the invention thus enables operation of the auxiliary drive using inexpensive Kirakkupacks that can be exchanged in a simple manner in each case after emptying and recharged.
• the electric machine which can be operated as an electric motor is preferably electrically conductively connectable to the adapter unit.
• the adapter unit can be connected directly to the electrical machine in a simple manner.
• At least the second battery pack is a battery pack designed for use in a hand-held electrical appliance.
• the invention thus enables the use of battery packs, which are produced for use in electrical appliances in large quantities and thus cost.
• At least the second battery pack has at least one lithium-ion battery cell.
• the second battery pack can be formed in a simple manner with a comparatively large energy density.
• a control unit is provided, which is designed to allow optionally a use of the first and / or one and / or more of the at least one second battery pack.
• the adapter unit is designed for electrical parallel connection of the first and / or one and / or more of the at least one second battery pack.
• the invention thus makes possible an enlargement of an energy density available for driving the electric motor.
• an adapter unit for a bicycle which has an electric auxiliary drive with an electric machine which can be operated at least as an electric motor and which is connected to the power supply a first battery pack is electrically conductively connected.
• a receiving bay is provided for mechanically and electrically conductive connection with at least one second battery pack, which is electrically conductively connected to the first battery pack via the adapter unit.
• FIG. 1 is a schematic side view of a bicycle with an electric auxiliary drive according to a first embodiment
• FIG. 2 is a schematic side view of the bicycle of FIG. 1 according to a second embodiment
• FIG. 3 is a schematic side view of the bicycle of FIG. 1 according to a third embodiment
• FIG. 4 is a perspective view of an exemplary battery pack usable in the bicycle of FIGS. 1 to 3, and FIG.
• FIG. 5 is a perspective view of an exemplary energy storage unit usable in the bicycle of FIGS. 1 to 3.
• FIG. 1 shows an exemplary bicycle 100 with a bicycle frame 130, which has a downtube 139, a control tube 138, a seat tube 136 and a transverse strut 134.
• the down tube 139 and the transverse strut 134 are connected to a wheel hub 150 of a rear wheel 120, to which a first rim brake 122 is assigned by way of example.
• the rear wheel 120 can be driven in pedaling mode via a chain 146. This can be actuated with pedals 142, 144, which are mounted in the down tube 139.
• the wheel hub 150 is also connected to a luggage carrier 190, which is supported on the crossbar 134.
• On the control tube 138, a handlebar 1 16 is mounted with a hand lever 1 14.
• the handlebar 1 16 is with a Front wheel 1 10 connected to the example, a second rim brake 1 12 is assigned.
• a saddle 132 is attached by way of example.
• the structure of the bicycle 100 described herein is merely exemplary in nature and is not intended to limit the invention. Rather, the bicycle 100 may be constructed like any bicycle known to those skilled in the art.
• the bicycle 100 has an electric auxiliary drive, which is illustratively formed by an electric machine 160, an energy storage unit 170 connected thereto via an electrical line 172, and a control unit 180 assigned to it.
• the electric machine 160 can be operated at least as an electric motor and is designed, for example, as a wheel hub motor. In addition, the electric machine 160 may be designed such that it can also be operated as a generator.
• wheel hub motor 160 is merely exemplary disposed on the rear wheel 120 and not as a limitation of the invention. Rather, the engine 160 may also be disposed on the front wheel 110 or at another suitable location on the frame 130.
• the energy storage unit 170 serves to store electrical energy which can be used to supply power to the wheel hub motor 160 via the electric line 172 during operation.
• the energy storage unit 170 or the wheel hub motor 160 is controlled by the control unit 180 in an application-specific manner.
• the control unit 180 z. B. be activated via the hand lever 1 14, wherein the control unit 180 can be activated, for example, at a first actuation of the hand lever 1 14 for connecting the wheel hub motor 160 and a second operation of the hand lever 1 14 for switching off the wheel hub motor 160.
• the energy storage unit 170 and the control unit 180 are arranged at least in sections in the region between the luggage carrier 190 and the rear wheel 120, in particular fastened to an underside of the luggage carrier 190.
• the energy storage unit 170 and the control unit 180 may also at least in sections be arranged laterally from the luggage carrier 190.
• the electrical line 172 is guided, for example, from the luggage carrier 190 to the transverse strut 134 and through it, or along it, to the wheel hub motor 160.
• FIG. 2 shows a second embodiment of the bicycle 100 of FIG. 1, in which the energy storage unit 170 and the control unit 180 are arranged at least in sections in the region between the saddle 132 and the luggage carrier 190.
• the luggage carrier 190 is connected by way of example via a connecting portion 210 with the transverse strut 134, the energy storage unit 170 and the control unit 180 being fastened at least in sections on an upper side of the connecting portion 210.
• the electrical line 172 is led by way of example from the energy storage unit 170 or the control unit 180 to the transverse strut 134 and through or along it as far as the wheel hub motor 160.
• FIG. 3 shows a third embodiment of the bicycle 100 of FIG. 1, in which a representation of the luggage carrier 190 has been dispensed with in order to simplify the drawing.
• the energy storage unit 170 and the control unit 180 are at least partially arranged in the loading between the seat tube 136 and the rear wheel 120 120 and preferably attached to the seat tube 136.
• the electrical line 172 is guided, for example, by the energy storage unit 170 or the control unit 180 through the seat tube 136 and the down tube 139 or along the latter to the wheel hub motor 160.
• FIG. 1 shows a battery pack 400 that can be used by way of example with the energy storage unit 170 of FIG. 1. It is designed as an example of an exchangeable battery pack and illustratively has three accumulator cells 442, 444, 446 connected to one another, preferably Li-ion accumulator cells are arranged in a housing 450.
• accumulator cells 442, 444, 446 connected to one another, preferably Li-ion accumulator cells are arranged in a housing 450.
• other cell types are also usable, e.g. As NiMH or NiCd cells, and the number of accumulator cells used can vary application specific.
• connection section 420 On an outer side of the housing 450, by way of example, a connection section 420 and electrical connections 412, 414, 416 are provided.
• Connection interface 420 has guide or latching elements 422, 424 to Leading or latching of the battery pack 400, as described below in Fig. 5.
• the guiding and latching element 422 has by way of example a retaining groove 432 and the guiding and latching element 424 has a corresponding retaining groove which is not visible in FIG. 4.
• the terminals 412, 414 serve as an example for the electrical contacting of the battery pack 400, as also described below in FIG. 5, and the terminal 416 may, for. B. for the transmission of data, for example, in terms of temperature and / or a state of charge of one or more of the battery cells 442, 444, 446.
• via the terminal 416 z. As data for the identification of a type of accumulator, suitable charging parameters, an associated number of charge cycles already performed, etc. of the battery pack 400 are transmitted.
• the battery pack 400 is a battery pack that is designed for use with a conventional, preferably hand-held, electrical appliance, in particular a power tool.
• the battery pack 400 is designed for use with a cordless drill driver 480, which is indicated only greatly reduced in Fig. 4.
• the battery pack 400 can be inserted into a battery interface 485 of the cordless drill 480 provided for this purpose, as indicated by an arrow 490.
• the present invention is not limited to battery packs for cordless drill, but the battery pack 400 may rather be a battery pack that can be used in different, in particular battery-powered E- lektrotechnikmaschineen application, eg. As in a cordless screwdriver, a cordless percussion drill, a cordless grinder, an electric lawnmower, etc.
• FIG. 5 shows an embodiment of the energy storage unit 170 of FIGS. 1 to 3 with an adapter unit 510 illustratively designed as an adapter plate.
• This has, for example, a first battery pack interface 520 designed as a receptacle, a second battery pack interface 530 designed as a receptacle, an electronic control unit 580 and an electrical output 515.
• the adapter plate 510 is illustratively electrically connected via a connecting line 560 to a battery pack 570 or to contacts associated therewith, which is illustratively electrically conductively connected to the control unit 180 of FIGS. 1 to 3 via an electrical line 565.
• the battery pack 570 is z. As an intended for use with the bicycle 100 of FIG.
• battery pack of any type, such as a battery pack, which is used in a conventional bicycle with electric auxiliary drive application. It should be understood, however, that such battery packs are typically battery packs especially for use with the bicycle 100 of FIGS. 1-3, which generally are not intended for a wider range of applications and are thus relatively expensive to manufacture.
• the adapter plate 510 is designed in the manner of a mechanical adapter for the mechanical and electrically conductive connection with one or more battery packs of a single or different battery pack types.
• the receiving bay 520 of the adapter plate 510 is formed for mechanically and electrically conductive connection with the battery pack 400 of FIG.
• the receiving bay 520 illustratively has guide grooves 552, 554 and guide shoulders 542, 544 for guiding the guiding or latching elements 422, 424 of the battery pack 400.
• the guide and latching element 422 is guided in the guide groove 552, and the retaining groove 432 (FIG. 4) is guided on the guide shoulder 542.
• the guiding and locking element 424 is guided in the guide groove 554, wherein the associated retaining groove is guided on the guide shoulder 544.
• a locking and holding element 523 is provided on this. This can be actuated by way of example via an actuation button 521 in order to enable unlocking and removal of the battery pack 400 from the bay 520.
• actuation button 521 For electrical contacting of the battery pack 400 in the receiving bay 520 has these contact terminals 522, 524, 526 on. These serve for electrically conductive connection to the electrical terminals 412, 414 and 416 of the battery pack 400.
• the battery pack 400 is electrically conductive with the battery pack 570 after insertion and locking in the receiving bay 520 via the adapter plate 510 connected.
• the receiving bay 530 has a similar structure to the receiving bay 520 and accordingly has guide grooves 535, 539 and guide shoulders 537, 538, a locking and holding element 533 actuatable via an actuation button 531, as well as electrical contacts 532, 534, 536.
• the receiving bay 530 is illustrative formed with comparatively larger dimensions than the receiving bay 520, and thus serves as an example for receiving a different compared to the battery pack 400 battery pack.
• the receiving bay 530 may be designed for mechanical and electrically conductive connection to the battery pack 570. It is pointed out, however, that L 0, the receiving bays 520, 530 can also be designed as described above for receiving identically dimensioned battery packs.
• control electronics 580 are configured to selectively supply the battery for powering the wheel hub motor 160 of FIGS. 1 to 3.
• the adapter plate 510 is preferably for electrical parallel connection of the battery pack 570 with the battery pack 400 and / or one and / or more, on the adapter plate 510th
• control electronics 580 for providing a state of charge signal of a
• control electronics 580 and the control unit 180 are shown as separate elements with different functions.
• FIGS. 1 to 3 are placed. These may be arranged in the bicycle 100 of FIGS. 1 to 3 at different positions. This is already indicated in FIGS. 1 to 3, in which the energy storage unit 170 and thus the gem.
• Fig. 5 associated control electronics 580 and the control unit 180 are shown as separate components. In this case, it is also possible for the control unit 180 to
• control electronics 580 and the control unit 180 are formed as a single, integrated component or a single integrated circuit, the z. B. in or on the adapter plate 510 or at another suitable location on the bicycle 100 of FIG. 1 to 3 can be arranged.
• connection of the adapter plate 510 to the battery pack 570 is merely exemplary in nature and is not intended to limit the invention.
• the adapter plate 510 can be connected directly to the control unit 180 via an electrical line 585 (illustrated by dashed lines).
• the control electronics 580 and the control unit 180 are formed as a single, integrated component, which is formed in the adapter plate 510, the adapter plate 510 can be connected via the electrical line 172 directly to the wheel hub motor 160 of FIG. 1 to 3.
• the adapter plate 510 according to the invention of FIG. 5 can be used in various electrical appliances, in particular hand-held cordless appliances, in which an extension of the operating time or an increase in an available energy density is desirable.
• the adapter plate 510 may find application in cordless lawnmowers and / or cordless vacuum cleaners.

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• Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• General Chemical & Material Sciences (AREA)
• Electrochemistry (AREA)
• Combustion & Propulsion (AREA)
• Transportation (AREA)
• Mechanical Engineering (AREA)
• Power Engineering (AREA)
• Life Sciences & Earth Sciences (AREA)
• Sustainable Energy (AREA)
• Sustainable Development (AREA)
• Aviation & Aerospace Engineering (AREA)
• Manufacturing & Machinery (AREA)
• Materials Engineering (AREA)
• Battery Mounting, Suspending (AREA)
• Electric Propulsion And Braking For Vehicles (AREA)

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Publications (1)

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Families Citing this family (6)

Citations (7)

• 2009
  • 2009-11-23 DE DE102009046967A patent/DE102009046967A1/de not_active Withdrawn
• 2010
  • 2010-10-06 WO PCT/EP2010/064898 patent/WO2011061002A1/de active Application Filing
  • 2010-11-22 TW TW099140159A patent/TW201130711A/zh unknown

Patent Citations (7)

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