Classifications

• • 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
  • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
  • H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
• • 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
  • H01M50/10—Primary casings; Jackets or wrappings
  • H01M50/172—Arrangements of electric connectors penetrating the casing
  • H01M50/174—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
  • H01M50/179—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for cells having curved cross-section, e.g. round or elliptic
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
  • H01M50/50—Current conducting connections for cells or batteries
  • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
  • H01M50/503—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
  • H01M50/50—Current conducting connections for cells or batteries
  • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
  • H01M50/509—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the type of connection, e.g. mixed connections
  • H01M50/51—Connection only in series
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
  • H01M50/50—Current conducting connections for cells or batteries
  • H01M50/543—Terminals
  • H01M50/552—Terminals characterised by their shape
  • H01M50/559—Terminals adapted for cells having curved cross-section, e.g. round, elliptic or button cells
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M6/00—Primary cells; Manufacture thereof
  • H01M6/42—Grouping of primary cells into batteries
• • 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
  • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
  • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
  • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

• the invention relates to an insert, which can be used in an accumulator part of an electrically operated tool, in particular a hand-held tool with at least one handle for holding the tool, wherein the insert comprises a plurality of accumulator cells, which are connected together in an electrically conductive manner.
• the invention relates to an accumulator part of an electrically operated tool, in particular a hand-held tool with at least one handle for holding the tool, wherein in the accumulator part more battery cells are included and the accumulator is obviously closed by an outer part, and an electrically operated tool, the such Akkumulatorteil has.
• the invention relates to an accumulator part of an electrically operated tool, in particular a hand-held tool with at least one handle for holding the tool, wherein in the accumulator part a plurality of accumulator cells are arranged and connected to each other in an electrically conductive manner.
• the invention relates to an accumulator cell for a Akkumulatorteil an electrically operated tool, in particular a hand-held
• Tool with at least one handle for holding the tool, wherein the
• Accumulator cell having a base body with a raised pole and edges and an outside, the edges enclosing insulation.
• Electrically operated tools such as screwdrivers, are also used in the industrial sector often hand-held or are operated by human hands. Although it is basically possible to connect the tools to a power supply, accumulator parts are often provided so that the tools can be used anywhere with respect to a power supply.
• the intended accumulator parts accommodate inside a plurality of battery cells, which are connected to each other, for example, by soldered to the battery cells or welded lead wires, so that the
• Accumulator cells in the range of two end positions of the conductor wires in one Circuit can be integrated to ensure an autonomous power supply of a tool.
• the accumulator part consists merely of a shell made of an injection-molded plastic, in the interior of which the accumulator cells which are connected to one another in an electrically conductive manner are arranged as an insert.
• the accumulator part can be recharged many times after discharging. Ultimately, however, the battery cells have a limited life, so finally charging is no longer possible.
• an accumulator part can no longer enable its function of a power supply, in practice the procedure is such that the accumulator part is disposed of altogether, although in itself only the accumulator cells are no longer functional and / or contacts are worn. Alternatively, it is also possible that the
• Accumulator part which is usually designed apparently opened and replaced the use or individual battery cells.
• this alternative is rarely perceived in practice.
• tool users shy away from opening the accumulator part since the accumulator cells could be flushed out and handling with such accumulated accumulator cells or the insert can then be dangerous.
• a repair of an insert even if it is performed by qualified personnel, consuming.
• individual defective battery cells are to be released from use and insert new battery cells by soldering or welding, which is time-consuming and therefore costly.
• An application of individual battery cells has not been considered, as already a single not optimally contacted battery cell especially for vibrations to
• the object of the invention is to eliminate or reduce these disadvantages, and in particular to provide an insert that is safely and easily exchangeable by a tool user against a same use, so that the shell of the accumulator can be used further, and where appropriate to simple Way, if desired, individual battery cells are interchangeable.
• Another object of the invention is to provide accumulator cells of the type mentioned, which can be used without the risk of tool failure for accumulator parts.
• the first object is achieved in an application of the type mentioned above in that the insert has an apparent housing in which the battery cells are used, wherein the battery cells are electrically connected to the inside of the housing-mounted conductor bars.
• An advantage achieved by the invention is the fact that the insert is interchangeable due to the intended housing without any risk as a whole. Alternatively, if a repair is intended, in which the housing of the insert is not exchanged, but only one or more battery cells are replaced, this can be carried out in a simple manner. As mounted on the inside of the housing
• Ladder webs are provided, which connect the individual accumulator cells in an electrically conductive manner, only needs the defective or the defective accumulator cells
• the shell of the accumulator can be used further.
• the battery cells are cylindrical.
• the housing then has a base-side housing part, which extends approximately over a height of the battery cells, and a detachably secured thereto
• Housing cover are arranged. As a result, the individual battery cells can be easily integrated into a circuit. In this case, am
• Housing cover preferably arranged outwardly projecting contacts which are electrically conductively connected to the conductor bars, so that a connection to those contacts of a Akkumulatorteils can be produced, via or through which a
• Position stability of the battery cells may further be provided that are arranged in the housing vertical, towering from a bottom of the housing stand and the housing has an at least partially adapted to the battery cells contour, so that the battery cells are held shear-resistant in position. It is particularly preferred that engage in the stator attachment means, with which the housing cover is attached to the bottom side housing part, so that with respect to a mounting of the housing cover no further structural adjustments of the bottom housing part are required.
• the housing may be made of any materials per se, but preferably consists of a plastic, since the housing should not be conductive.
• Damping mat is arranged so that a wobble of the insert is avoided in Akkumulatorteil.
• the damping mat preferably consists of a resilient plastic part or of a foam part and may optionally be fiber-reinforced.
• the housing has ventilation slots in order to avoid overheating of the insert when charging the battery cells.
• the first object of the invention can alternatively be solved if in an accumulator part of an electrically operated tool, in particular a
• the accumulator part a plurality of accumulator cells are arranged, which are electrically conductively connected to each other, the accumulator has a removable lid and on the lid and in the Akkumulatorteil on a side opposite the lid side the accumulator part conductor bars are arranged, with which the battery cells are electrically connected.
• Maintaining a functional ability may need to be handled directly with individual cells.
• soldering or welded packages of batteries as they are commonly used in tools in the industry, which operate at relatively high currents, can now also be a replacement of individual cells.
• the provided conductor bars ensure that optimum contact and thus a power supply is always ensured, even in the case of shocks.
• the conductor bars are arranged on the cover and in plan view offset thereto on an opposite side of the accumulator.
• individual battery cells can be relatively easily connected in series without requiring welding or soldering thereof.
• Akkumulatorteils uprising stand can be arranged, which can be brought to cover with rising from a bottom of the lid uprights in the arrangement of the lid on Akkumulatorteil to form continuous systems for the battery cells.
• Relationship can be provided for reasons of ease of manufacture and space savings that the outer equipment partially abut an inner side of the Akkumulatorteils, but are separated from each other.
• the further object of the invention is achieved in an accumulator cell of the type mentioned in that a non-conductive, preferably elastic element between the main body and the insulation is positioned pole side, so that the pole is set back from a level of the preferably elastic element, the insulation the preferably elastic element fixed, and that on or in the preferably elastic element, a conductive plate is fixed, which is flat with the pole in contact and wider than this is formed.
• An advantage achieved with an accumulator cell according to the invention is to be seen in particular in that a favorable contacting of the accumulator cell is possible by the widened design of the conductive plate. This is the risk of a
• the provided, preferably elastic element ensures that the raised pole, usually the positive pole, and the other pole or negative terminal are insulated from each other, so that short circuits are prevented.
• the preferably elastic element may, for.
• Example of silicone although other non-conductive materials can be used, such as plastics such as polycarbonates.
• an adhesive ring between the preferably elastic element and the main body of the accumulator cell is arranged.
• the elastic element can be fixed in a stable manner on the accumulator cell in a simple manner before the insulation, generally a shrink tube, is arranged around the accumulator cell.
• the adhesive ring may also be resilient and thus support the preferably elastic, but possibly also rigid element.
• the insulation or the shrink tube encloses the battery cell including the preferably elastic member and the conductive plate positioned therein, so that a stable assembly is achieved.
• the plate has pins which engage in recesses in the preferably elastic element, so that the plate with the
• Fig. 1 is a schematic perspective view of an inventive
• Fig. 2 is a schematic plan view of a housing cover of an insert according to the invention.
• Fig. 3 is a schematic plan view of a bottom-side housing part of a
• FIG. 5 is a bottom plan view of a lid of the accumulator according to FIG. 4.
• Fig. 6 is a plan view of an inside of the lid shown in Fig. 5;
• Fig. 7 is a bottom plan view of the accumulator according to FIG. 4 at
• FIG. 8 is a perspective view of the Akkumulatorteils with the cover removed.
• Fig. 9 is a plan view of an accumulator cell
• Fig. 10 is a cross section taken along the line X-X in Fig. 9;
• FIG. 11 shows an enlarged detail according to the circle XI in FIG. 10;
• Fig. 12 is a perspective view of an accumulator cell.
• FIG. 1 to 3 an accumulator part 2 and an insert 1 is shown schematically.
• the accumulator part 2 comprises a removable cover, not shown, which is detachably connected to a in Fig. 1 only indicated base body 14 of the accumulator part 2.
• the main body 14 is connected to the lid so that the insert 1 after
• the insert 1 is arranged, the outer contours of which correspond to inner contours of the accumulator part 2, so that the insert 1 can be inserted accurately into the accumulator part 2.
• the insert 1 is in turn externally shaped so that located in its interior cylindrical accumulator cells 3, of which only one is shown in Fig. 1, are at least partially circumferentially held.
• the insert 1 consists of a housing 4, which is formed from a bottom-side housing part 6 and a housing cover 7.
• the housing 4 is formed from a 1 to 3 mm thick plastic in cross-section, which is rigid at this strength.
• the housing cover 7 has in the direction of a bottom 9 of the bottom-side housing part 6 on an outside edge 15, which partially projects beyond the bottom-side housing part 6 in the attached state.
• the housing cover 7 is provided with fastening means 11, z. As screws, releasably attached to the bottom-side housing part 6, which engage in stand 10, which at the bottom of the bottom side
• the stands 10 have a dual function: On the one hand, the stands 10 serve as mentioned to interact with the
• Housing part 6 can be releasably fixed.
• the stands 10 serve to hold the battery cells 3 in interaction with a contour or a lateral surface of the bottom-side housing part 6 in a shear-resistant manner in position.
• the housing 4 also has a damping mat 12, which serves to shake the
• Damping mat 12 preferably has a thickness of 2 to 4 mm and may be formed from a foam, for example a polyurethane foam. It is also possible that the damping mat 12 is additionally fiber reinforced, z. As with glass fibers or other artificial or possibly natural fibers.
• Ventilation slots 13 serve to prevent overheating of the insert 1 when the battery cells 3 are being charged.
• a thermal switch can be additionally provided, which prevents further charging and thus overheating of the insert 1, if a certain temperature is exceeded.
• the ventilation slots 13 preferably have a width of less than 1 mm, so that on the one hand the desired ventilation and thus a temperature compensation during loading is ensured, but on the other hand not too much dust can enter the insert 1.
• the thermal switch can be arranged for example in a gap 16 in which no accumulator cell 3 is seated. But it is also possible that the insert 1 in plan view entirely with Accumulator 3 is equipped. In this case, the thermal switch is attached to the housing cover 7 via the battery cells 3.
• the insert 1 has on the housing cover 7 and on the bottom 9 of the bottom side
• Housing part 6 a plurality of spaced apart conductor webs 5. These conductor bars 5 connect the insertion of accumulator cells 3 in the insert 1 the individual
• Housing cover 7 offset from each other and finally end in outwardly guided contacts 8, which is directly or indirectly ensured an electrically conductive connection to a tool to be supplied.
• the conductor bars 5 are preferably sprung on the bottom-side housing part 6 and / or on the housing cover 7 in order to exclude any loose contacts.
• a suspension can be formed in a simple manner from a silicone pad and / or rubber studs on soft the conductor bars 5 rest.
• the insert 1 makes it possible on the one hand, that the same can be exchanged for a same insert 1 in a simple manner by the Akkumulatorteil 2 is opened and a new insert 1 is used. On the other hand, it is also possible that the insert 1 as such is opened after opening the accumulator part 2 and individual defective accumulator cells 3 are simply replaced by mere replacement.
• FIG. 4 an accumulator part 2 of an alternative embodiment is shown in perspective.
• Such accumulator part is designed for industrial tools such as screwdrivers with peak power more than 800 W.
• FIGS. 5 to 8 show a cover 14 and an inner life of the accumulator part 2 in different views.
• the accumulator part 2 is formed with a lid 14, which is arranged on the bottom side.
• the cover 14 is releasably secured by screws on the accumulator part 2 and can be removed if necessary.
• the lid 14 forms a bottom, but can in others
• Embodiment variants of the Akkumulatorteils 2 also be arranged laterally.
• the accumulator part 2 is closed on the bottom side or can not be opened there.
• the lid 14 forms with an adjoining portion 21 of the
• Accumulator 2 a chamber in which accumulator cells 3 are arranged can; the lid 14 and the mentioned subsequent area 21, which is circumferentially approximately equal in shape to the cover 14, have a height which is slightly higher than a single battery cell 3.
• a bottom 16 of the lid 14 are analogous to the first embodiment, a plurality of conductor bars fifth arranged, each having two contact points for battery cells 3.
• the contact points may partially, if necessary, be formed with a spring or a resilient plate 19 from a prestressed spring steel, which promotes good contact individual battery cells 3. If the cover 14 is removed from the accumulator part 2, so can accumulator 3 in the
• Fig. 6 to 8 it can be seen that both the lid 14 inside and in the opposite interior of the accumulator part 2 stand 10 are arranged, wherein the shorter stand 10 of the lid 14 when attaching the same on the accumulator part 2 with the longer uprights 10 inside the Accumulator part 2 can be brought to cover, so that continuous stand 10 are present.
• battery cells 3 in combination with external equipment 17, which are also provided congruent both on the lid 14 and in the interior of the accumulator 2 are excellently held in position, so that a power interruption even with shocks, as they often occur in industrial applications, almost impossible is.
• the outer equipment 17 are partly on an inner side 20, but are separated from each other, so that the inner side 20 for applying the battery cells 3 is available. As a result, a place is optimally utilized. In the remaining open spaces can For example, sensors, eg. B. a temperature sensor, or mounting receptacles 18 may be arranged for the mounting screws of the lid 14.
• FIGS. 9 to 12 show an accumulator cell 3, which is preferably used in an insert 1 or an accumulator part 2 of the type described above.
• Battery cell 3 has a base body 22 with a raised pole 23 and peripheral edges 24, wherein the edges 24 are surrounded by an insulation 25.
• the insulation 25 is formed from a plastic shrink tubing.
• the base body 22 may be a cell according to the prior art.
• the element 26 is ring-shaped and placed on the base body 22 on the side of the raised pole 23, which is usually the positive pole.
• a thin adhesive ring may be arranged (not shown), which holds the element 26 at least temporarily on the base body 22.
• the element 26 is formed with a height such that the element 26 projects beyond a level 27 of the raised pole 23.
• a ström-conducting plate 28 is provided, which may for example consist of a steel and is connected to the elastic or possibly rigid element 26. A connection can be designed so that the
• electrically conductive, metallic plate 28 has circumferentially projecting pins which engage in recesses of the element 26.
• the plate 28 can then be fixed in the element 26 with slight pressure.
• the plate 28 has a height such that this flat contact the raised pole 23, which has a smaller width in cross-section, under slight pressure.
• This is assisted by the shrink tubing or insulation 25, which is attached to the body 22 around the accumulator cell during manufacture after arranging the element 26 together with the platelets 28 fastened therein or on the base body, so that the element 26 is held firmly.
• unwanted short circuits between the raised pole 23 and a further pole which generally runs on the outside of the accumulator cell, can be avoided as effectively as current interruptions in the case of larger ones

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• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Electrochemistry (AREA)
• General Chemical & Material Sciences (AREA)
• Battery Mounting, Suspending (AREA)
• Connection Of Batteries Or Terminals (AREA)

Applications Claiming Priority (2)

Publications (1)

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Family Applications (1)

Country Status (10)

Families Citing this family (14)

Family Cites Families (20)

• 2009
  • 2009-09-10 AT AT0142209A patent/AT508742B1/de not_active IP Right Cessation
• 2010
  • 2010-09-09 WO PCT/AT2010/000322 patent/WO2011029112A2/de active Application Filing
  • 2010-09-09 AU AU2010292951A patent/AU2010292951A1/en not_active Abandoned
  • 2010-09-09 US US13/395,318 patent/US20120251857A1/en not_active Abandoned
  • 2010-09-09 BR BR112012005420A patent/BR112012005420A2/pt not_active IP Right Cessation
  • 2010-09-09 EP EP10757702A patent/EP2476150A2/de not_active Withdrawn
  • 2010-09-09 MX MX2012002975A patent/MX2012002975A/es not_active Application Discontinuation
  • 2010-09-09 CA CA2773550A patent/CA2773550A1/en not_active Abandoned
  • 2010-09-09 CN CN2010800510127A patent/CN102598350A/zh active Pending
  • 2010-09-09 JP JP2012528187A patent/JP2013504841A/ja active Pending

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