WO2020064502A1 - Bloc-batterie muni d'une unité antiparasite permettant de réduire le rayonnement électromagnétique parasite - Google Patents

Bloc-batterie muni d'une unité antiparasite permettant de réduire le rayonnement électromagnétique parasite Download PDF

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Publication number
WO2020064502A1
WO2020064502A1 PCT/EP2019/075181 EP2019075181W WO2020064502A1 WO 2020064502 A1 WO2020064502 A1 WO 2020064502A1 EP 2019075181 W EP2019075181 W EP 2019075181W WO 2020064502 A1 WO2020064502 A1 WO 2020064502A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery pack
electrical contact
interference suppression
battery
interface
Prior art date
Application number
PCT/EP2019/075181
Other languages
German (de)
English (en)
Inventor
Christoph Steurer
Original Assignee
Robert Bosch Gmbh
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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Priority to CN201980063398.4A priority Critical patent/CN112753124A/zh
Publication of WO2020064502A1 publication Critical patent/WO2020064502A1/fr

Links

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
    • H01M50/247—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
    • 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
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/296—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by terminals of battery packs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
    • 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 invention relates to a battery pack, in particular a handheld power tool battery pack, with a housing, with a battery interface for releasably connecting the battery pack to a consumer, the battery interface being a mechanical interface for mechanically coupling the battery pack to the consumer and an electrical interface for electrically connecting the battery pack with the consumer, the electrical interface having at least two electrical contact elements which are designed to be connected to corresponding electrical contact elements of the consumer, with at least one battery cell which is arranged in the housing of the battery pack, and with at least one electrical contact device Connection of the at least one battery cell with the electrical contacts.
  • the battery pack have an interference suppression unit for reducing electromagnetic interference. This can advantageously ensure that the battery pack and in particular the system comprising the battery pack and the consumer comply with limit values with regard to electromagnetic compatibility (EMC) in accordance with radio interference standards applicable worldwide.
  • EMC electromagnetic compatibility
  • the battery pack is in particular part of a system which is composed of the battery pack and the consumer, the consumer during operation the battery pack is supplied with energy.
  • the battery pack is designed in particular as an exchangeable battery pack.
  • the battery pack is in particular designed to be connectable to a charging device for charging the battery pack.
  • the connection between the charging device and the battery pack is preferably via the battery interface.
  • the housing of the battery pack is designed in particular as an outer housing.
  • the battery pack, in particular the housing of the battery pack is detachably connectable to the consumer and / or the charging device via the mechanical interface.
  • the Ge housing of the battery pack can have one or more housing parts.
  • the housing parts are non-positively, positively and / or cohesively connected, the connection can be made for example via a screw connection.
  • the consumer can in particular as a garden device, such as a lawn mower or hedge trimmer, as a household appliance, such as an electric window cleaner, a kitchen appliance or a handheld vacuum cleaner, as a hand tool, such as an angle grinder, a screwdriver, a drill, a rotary hammer , etc. or as a measuring tool, such as a laser distance measuring device.
  • a garden device such as a lawn mower or hedge trimmer
  • a household appliance such as an electric window cleaner, a kitchen appliance or a handheld vacuum cleaner
  • a hand tool such as an angle grinder, a screwdriver, a drill, a rotary hammer , etc.
  • a measuring tool such as a laser distance measuring device.
  • the consumer is designed as another device, in particular one that is portable, such as, for example, construction site lighting, a suction device or a construction site radio.
  • the battery pack can be connected to the consumer in a force-locking and / or form-fitting manner via the mechanical interface.
  • the mechanical interface advantageously comprises at least one actuating element, via which the connection of the battery pack to the consumer and / or to the charging device can be released.
  • the actuating element can be designed, for example, as a button, as a lever or as a button.
  • the battery pack has at least one electrical interface via which the battery pack can be electrically connected to the consumer and / or to the charging device.
  • the battery pack can be charged and / or discharged via the electrical connection.
  • information can be transmitted via the electrical interface.
  • the electrical interface is preferably designed as a contact interface, in which the electrical connection takes place via a physical contact of at least two conductive components.
  • the two electrical contact elements are designed in particular as a plus contact and as a minus contact.
  • the battery pack can be designed to be dischargable and / or rechargeable via the electrical contact element.
  • the electrical interface can have a secondary charging coil element for inductive charging.
  • the at least one battery cell is arranged in the housing of the battery pack is electrically connectable to the consumer via the electrical contact device.
  • the battery cell can be designed as a galvanic cell, which has a structure in which a cell pole comes to lie at one end and another cell pole lies at an opposite end. In particular, the battery cell has a positive cell pole at one end and a negative cell pole at an opposite end.
  • the battery cells are preferably designed as NiCd or NiMh cells, particularly preferably as lithium-based battery cells or Li-ion battery cells.
  • the battery cells it would also be conceivable for the battery cells to be designed as Li-polymer battery cells (Li-Po), where the positive and negative poles can be arranged in particular on the same side and can be designed, for example, as a contact tab.
  • the battery voltage of the battery pack is usually a multiple of the voltage of a single battery cell and results from the number of battery cells connected in series.
  • the battery cell is preferably designed as an at least substantially cylindrical round cell, the cell poles being arranged at the ends of the cylindrical shape.
  • the electrical interface of the battery pack can have at least one additional contact, which is designed to transmit additional information to the consumer and / or to the charging device.
  • the battery pack preferably has electronics, wherein the electronics can comprise a storage unit on which information is stored. Additionally or alternatively, it is also conceivable that information is determined by the electronics. The information can be, for example, a charge status of the battery pack, a temperature inside the battery pack, coding or a residual capacity of the battery pack. It is also conceivable that the electronics are designed to regulate or control the charging and / or discharging process of the battery pack.
  • the electronics can have, for example, a printed circuit board, a computing unit, a control unit, a transistor, a capacitor, and / or the storage unit.
  • the electronics can also have one or more sensor elements, for example a temperature sensor for determining the temperature inside the battery pack.
  • the electronics can have a coding element, such as a coding resistor, for example.
  • the interference suppression unit can be designed to reduce dynamic interference from current-carrying conductors, in particular the electrical contact device, and / or to reduce static interference, in particular magnetic and / or electrical interference.
  • the interference suppression unit be arranged in the area of the electrical contact device.
  • the interference suppression unit has at least one interference suppression element which at least partially bears against the electrical contact device and / or encloses it.
  • the interference suppression element is arranged in the area of the electronics, in particular on the circuit board of the electronics.
  • the interference suppression element can lie freely in the housing or can be fastened in or on the housing.
  • the housing preferably has a receiving pocket for receiving the at least one interference suppression element.
  • the interference suppression element it would also be conceivable for the interference suppression element to be arranged, in particular soldered, on the printed circuit board of the electronics.
  • the interference suppression element is arranged in the region of a signal cable, in particular abuts against it and / or at least partially surrounds it.
  • the signal cable can be provided, for example, for the transmission of coding resistances, for the transmission of individual voltages of the battery cells or for the transmission of temperature information from a temperature sensor.
  • the interference suppression device has at least one interference suppression element per electrical contact device, which is arranged in the region of the respective electrical contact device.
  • the effectiveness of the interference suppression unit can thereby advantageously be further improved. Different Entstörele elements or the same interference suppression elements can be used.
  • the at least one electrical contact device has at least one cell connecting element and a conductor element, the conductor element being connected to one of the electrical contact elements, the interference element at least partially enclosing the conductor element and / or resting on the conductor element.
  • the cell connecting element is provided with at least one battery cell, special at least two battery cells connected, preferably cohesively connected.
  • the integral connection can be realized via a welded connection, for example by means of resistance welding or laser welding.
  • the cell connecting element is preferably formed in one piece. In this context, “in one piece” is to be understood in particular to mean that the component in question is made from one piece.
  • the conductor element can be formed at least partially in one piece and / or in one piece with the cell connecting element.
  • the conductor element can be formed in one piece or in one piece.
  • “one-piece” is to be understood to mean, in particular, a component that consists of several components which are essentially firmly connected to one another, for example by means of a material bond or by injection molding.
  • the cell connecting element and the conductor element are at least partially, in particular completely, electrically conductive.
  • the cell connecting element and the conductor element consist of a metallic material.
  • the Porterele element can, for example, at least partially as a wire, as a stranded wire, as a cable, as a pipe conductor, as a web line or a flat connector, or the like.
  • the interference suppression element at least partially encloses the cell connection element and / or rests on the cell connection element.
  • the interference suppression element can be arranged between two battery cells.
  • the electrical contact device preferably the conductor element, and / or the interference suppression element has a protective element.
  • the protective element is preferably at least partially arranged between the electrical contact device and the interference suppression element.
  • the protective element can, for example, be designed to be electrically insulating. Alternatively or in addition, the protective element can also be formed to damp vibrations, for example by means of an elastic deformation.
  • the protective element is preferably made of a plastic-containing material or plastic.
  • the protective element can for example be designed as a shrink tube. It is also conceivable that the protective element consists of a coating.
  • the electrical contact device have a fuse element, the interference suppression element in the area of the fuse element is arranged.
  • the fuse element advantageously protects the electronics of the battery pack, for example in the event of a short circuit.
  • the fuse element is in particular designed as an electrical fuse element.
  • the fuse element is in particular designed in such a way that in the event of a trip, for example in the event of a short circuit, the fuse element is destroyed and an exchange is therefore necessary.
  • the securing element can be designed, for example, as a fuse. Before preferably the securing element has a cylindrical shape.
  • the securing element comprises a ceramic sleeve in which a wire fuse is arranged.
  • the interference suppression element is designed as a ferrite element, in particular a ferrite pearl element.
  • the ferrite element is designed in particular to increase the inductance, preferably the longitudinal inductance. As a result, high-frequency interference can advantageously be reduced. It is also conceivable that the ferrite element is designed as a ferrite ring or a hinged ferrite.
  • the interference suppression element be designed as a choke element, in particular as a rod core choke, as an RC element or as a capacitor, in particular as a feed-through capacitor.
  • the invention relates to a system consisting of a hand tool and a battery pack as described above, the hand tool having no interference suppression unit.
  • the only arrangement of the interference suppression unit in the battery pack advantageously allows a compact and inexpensive hand tool machine to be realized.
  • the invention relates to a system consisting of a hand tool with an interference suppression unit and a first battery pack as described above and a second battery pack as described above, the interference suppression unit of the first battery pack being different from the interference suppression unit of the second battery pack.
  • the interference suppression unit in the handheld power tool can advantageously be implemented with little effort, the interference suppression unit in the battery pack being designed such that the system complies with the EMC limit values regardless of the battery pack used.
  • two different interference suppression units are to be understood to mean, in particular, two interference suppression units which operate in this way are trained that electromagnetic interference radiation are reduced by them to a different extent.
  • the differing interference suppression units differ from one another in their shape and / or in their effect by different interference suppression elements.
  • Figure 1 is a side view of a system consisting of a hand tool machine and a battery pack according to the invention.
  • Fig. 2 is an exploded view of the battery pack according to the invention.
  • FIG. 1 shows a side view of a system 10 consisting of a consumer 14 designed as a handheld power tool 12 and a battery pack 18 designed as a handheld power tool battery pack 16.
  • the hand tool 12 is thus clearedbil det as a cordless hand tool and is supplied with energy during operation via the battery pack 18.
  • the hand machine tool 12 and the battery pack 18 each have a mechanical interface 20, 22, via which the two components of the system 10 are releasably connected to each other.
  • the mechanical interface 22 of the battery pack 18 is assigned to a battery interface 17.
  • the battery pack 18 is thus designed as a removable battery pack and can be replaced by the same or a similar battery pack.
  • the handheld power tool 12 is exemplified as a hammer drill 24.
  • the handheld power tool 12 has a housing 26, at the rear end of which a handle 28 with an operating switch 30 for switching the handheld power tool 12 on and off is arranged.
  • a tool holder 31 is arranged, which is provided for receiving an insert tool 32.
  • an electric motor 34 and a gear 36 having a drive unit 38 is arranged.
  • the gear 36 comprises a striking mechanism unit 40 and is arranged above the electromotor 34.
  • the striking mechanism unit 40 comprises a pneumatic striking mechanism.
  • the striking mechanism can be designed, for example, as an eccentric hammer mechanism or as a wobble hammer mechanism.
  • Electronics 42 are arranged below the electric motor 34, by means of which the handheld power tool 12 can be regulated or controlled.
  • the battery pack 18 is arranged below the handle 28 and adjacent to the electronics 42.
  • the handle 28 is connected via a vibration damping unit 29 to the area of the housing 26 comprising the drive unit 38, so that the vibrations emanating from the striking mechanism unit 40 dampens the handle 28 and also dampens the mechanical interfaces 20, 22 of the hand tool 12 and of the battery pack 18 transmitted will.
  • the handle 28 is thus madebil det as a vibration-decoupled handle.
  • the battery pack 18 and the consumer 14 each have a corresponding electrical interface 44, 46, via which the battery pack 18 is electrically connected to the consumer 14, in particular the electronics 42 of the consumer 14.
  • the electrical interface 46 of the battery pack 18 is also assigned to the battery interface 17. In the interconnected state, the battery pack 18 provides the energy supply for the consumer 14.
  • the battery pack 18 is detachably mechanically connected to the consumer 14 via the mechanical interface 22.
  • the battery pack 18 has a housing 48 which is formed in several parts in a playful manner.
  • the housing 48 consists of a plastic-containing housing material.
  • the housing 48 is preferably formed at least partially from a polycarbonate or a high-density polyethylene (HD PE).
  • the housing 48 is in particular removablebil det as an outer housing.
  • the housing 48 has a cell housing 50, an interface housing part 52 and two side housing parts 54.
  • the housing parts 50, 52, 54 are connected to each other via fastening elements 56, which are designed as screws, for example.
  • the housing parts 50, 52, 54 are all at least partially designed as outer housing parts.
  • a charge status indicator 58 is arranged, via which the charge status of the battery pack 18 can be displayed.
  • the housing 48 of the battery pack 18, in particular the interface housing part 52, comprises the mechanical interface 22 and the electrical interface 46.
  • the battery pack 18 is designed, for example, as a sliding battery pack. The battery pack 18 is pushed for connection to the hand tool 12 along a connec tion direction 23 on the hand tool 12.
  • the mechanical interface 22 has a pair of holding elements 60, on which the battery pack 18 is held in the state connected to the handheld power tool 12.
  • the holding elements 60 are designed, for example, as guide rails 62.
  • the holding elements 60 extend essentially parallel to the direction of connection 23 of the battery pack 18. In the state connected to the machine tool 12, the holding elements 60 engage in corresponding guide grooves of the mechanical interface 20 of the machine tool 12.
  • the mechanical interface 22 of the battery pack 18 has a locking element 63.
  • the locking element 63 is movable, in particular rotatable, mounted in the housing 48 of the battery pack 18.
  • the locking element 63 is designed to lock the battery pack 18 with the handheld power tool 12 in the connected state.
  • the locking element 63 is exemplified as a locking element which engages in a recess, not shown, in the housing 26 of the handheld power tool 12.
  • the Ak kupack 18 has an operating element, which is arranged on the rear side of the battery pack 18, not shown.
  • the battery pack 18 has, for example, ten battery cells 64, which are arranged in the housing 48 of the battery pack 18, in particular in the cell housing 50.
  • the battery cells 64 are designed as Li-ion round cells.
  • the battery cells 64 extend within the cell housing 50 crossing, in particular substantially perpendicularly, to the connection direction 23 of the battery pack 18.
  • the battery pack 18 is designed, for example, as a two-layer battery pack 18 in which the battery cells 64 are in two parallel positions, each with five battery cells 64 comprise, are arranged.
  • the electrical interface 46 of the battery pack 18 has five electrical contact elements 66.
  • the electrical contact elements 66 are arranged on electronics 68 of the battery pack 18. In particular, the electrical contact elements 66 are arranged or fastened on a printed circuit board 70 of the electronics 68.
  • the electrical contact elements 66 are positioned side by side.
  • the housing 48, in particular the interface housing part 52, has cutouts 72 in which the electrical contact elements 66 are arranged such that they can be connected to corresponding electrical contact elements (not shown) of the consumer 14.
  • the two external electrical contact elements 66 are designed as power contacts 74, via which the consumer 14 in the state connected to the battery pack 18 with power is available.
  • the intermediate electrical contact elements 66 are designed as additional contacts 76 or as signal contacts.
  • the electrical contact elements 66 designed as power contacts 74 are each connected to the battery cells 64 via an electrical contact device 78.
  • a power contact 74 is connected via an electrical contact device 78 to the battery cells 64.
  • the electrical contact device 78 shown comprises a cell connecting element 80, a conductor element 82 and a fuse element 84.
  • the electrical contact device 78 connected to the electrical contact element 66, not shown, has no fuse element.
  • the cell connecting element 80 has a plate-shaped area 81 and lies above this against a cell pole of at least one, for example two, battery cells 64.
  • the two cell poles are connected to one another by two battery cells 64 via the cell connecting element 80.
  • the cell connection element 80 is preferably integrally connected to the battery cells 64, in particular the plate-shaped region 81 of the cell connection element 80 to the cell poles of the battery cells 64, for example via a welded connection.
  • the cell connection element 80, in particular the plate-shaped region 81 is formed from an electrically conductive material.
  • the plate-shaped region 81 of the cell connection element 80 consists in particular of a metal sheet, preferably of a copper or stainless steel metal sheet.
  • the conductor element 82 is designed, for example, as a strand 86.
  • the strand 86 is made, for example, of copper, in particular OFC copper.
  • the Leiterele element 82 is connected on one side to the cell connecting element 80, in particular in particular materially connected, and on an opposite side the conductor element 82 is connected to the securing element 84.
  • the hedging element 84 is designed as a fuse.
  • Thecoreele element 84 has a cylindrical design.
  • the securing element 84 has a ceramic sleeve in which a metallic wire, for example a silver wire, is received. On the side facing away from the conductor element 82, the hedging element 84 is connected to the electrical contact element 66.
  • the battery pack 18 has an interference suppression unit 88 for reducing electromagnetic interference radiation.
  • the interference suppression unit 88 is completely accommodated in the housing 48 of the battery pack 18.
  • the interference suppression unit 88 has an interference suppression element 90.
  • the interference suppression unit 88, in particular the interference suppression element 90 is arranged between the battery cells 64 and the mechanical interface 22 of the battery pack 18, preferably between the circuit board 70 of the electronics 68 and a housing area of the housing 48 comprising the mechanical interface 22.
  • the interference suppression element 90 is preferably arranged in the area of the electrical contact device 78.
  • the interference suppression element 90 is arranged, for example, in such a way that the interference suppression element 90 surrounds the conductor element 82 at a distance from the securing element 84 and at least partially abuts against it.
  • the interference suppression element 90 is arranged in such a way that it encloses the securing element 84 at a distance from the conductor element 82 and at least partially bears against it.
  • the interference suppression element 90 is arranged in such a way that it at least partially encloses both the conductor element 82 and the securing element 84 and / or bears against them.
  • the distance of the interference suppression element 90 from the electrical contact element's 66 is only to be regarded as an example and can vary depending on the requirement.
  • the interference suppression element 90 is designed in particular as a ferrite element 92.
  • the ferrite element 92 has a push-through opening through which the electrical contact device 78, in particular the conductor element 82, is pushed through during assembly.
  • the interference suppression element 90 is designed as a choke, in particular as a rod core choke.
  • the throttle can be connected to the conductor element 82 or at least partially, in particular completely continuously, as a conductor element.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biophysics (AREA)
  • Computer Hardware Design (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

L'invention concerne un bloc-batterie, en particulier un bloc-batterie de machine-outil portative, comportant un boîtier, une interface de batterie pour la connexion amovible du bloc-batterie à un consommateur, l'interface de batterie présentant une interface mécanique pour le raccordement mécanique du bloc-batterie au consommateur et une interface électrique pour la connexion électrique du bloc-batterie au consommateur, l'interface électrique présentant au moins deux éléments de contact électriques qui sont conçus pour pouvoir être connectés à des éléments de contact électriques correspondants du consommateur. Au moins un élément de batterie est agencé dans le boîtier du bloc-batterie, et au moins un dispositif de contact permet la connexion du ou des éléments de batterie aux éléments de contact électriques. Selon l'invention, le bloc-batterie présente une unité antiparasite permettant de réduire le rayonnement électromagnétique parasite.
PCT/EP2019/075181 2018-09-28 2019-09-19 Bloc-batterie muni d'une unité antiparasite permettant de réduire le rayonnement électromagnétique parasite WO2020064502A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201980063398.4A CN112753124A (zh) 2018-09-28 2019-09-19 具有用于减少电磁干扰辐射的抗干扰单元的蓄电池组

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018216731.1 2018-09-28
DE102018216731.1A DE102018216731A1 (de) 2018-09-28 2018-09-28 Akkupack

Publications (1)

Publication Number Publication Date
WO2020064502A1 true WO2020064502A1 (fr) 2020-04-02

Family

ID=68104566

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2019/075181 WO2020064502A1 (fr) 2018-09-28 2019-09-19 Bloc-batterie muni d'une unité antiparasite permettant de réduire le rayonnement électromagnétique parasite

Country Status (3)

Country Link
CN (1) CN112753124A (fr)
DE (1) DE102018216731A1 (fr)
WO (1) WO2020064502A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007090502A (ja) * 2005-09-29 2007-04-12 Hitachi Koki Co Ltd 制御回路付電動工具
JP2016193475A (ja) * 2015-04-01 2016-11-17 株式会社マキタ 電動工具
DE202017104255U1 (de) 2017-07-18 2017-08-04 Robert Bosch Gmbh Entstörsystem, Antrieb und Handwerkzeugmaschine
DE102016203427A1 (de) * 2016-03-02 2017-09-07 Robert Bosch Gmbh Akkupack für eine Handwerkzeugmaschine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8538493B2 (en) * 2009-02-16 2013-09-17 Blackberry Limited Mobile wireless communications device including a self-contained rechargeable battery pack with filter and related methods
DE102014217526A1 (de) * 2014-09-02 2016-03-03 Robert Bosch Gmbh Leitermodul und elektrochemischer Energiespeicher aufweisend ein derartiges Leitermodul
DE102016203429A1 (de) * 2016-03-02 2017-09-07 Robert Bosch Gmbh Akkupack für eine Handwerkzeugmaschine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007090502A (ja) * 2005-09-29 2007-04-12 Hitachi Koki Co Ltd 制御回路付電動工具
JP2016193475A (ja) * 2015-04-01 2016-11-17 株式会社マキタ 電動工具
DE102016203427A1 (de) * 2016-03-02 2017-09-07 Robert Bosch Gmbh Akkupack für eine Handwerkzeugmaschine
DE202017104255U1 (de) 2017-07-18 2017-08-04 Robert Bosch Gmbh Entstörsystem, Antrieb und Handwerkzeugmaschine

Also Published As

Publication number Publication date
CN112753124A (zh) 2021-05-04
DE102018216731A1 (de) 2020-04-02

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