EP3671792A1 - Prise électrique doté d'un dispositif de protection contre les surintensités ainsi qu'agencement d'un composant de distribution d'énergie et d'une prise électrique - Google Patents

Prise électrique doté d'un dispositif de protection contre les surintensités ainsi qu'agencement d'un composant de distribution d'énergie et d'une prise électrique Download PDF

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Publication number
EP3671792A1
EP3671792A1 EP18214080.6A EP18214080A EP3671792A1 EP 3671792 A1 EP3671792 A1 EP 3671792A1 EP 18214080 A EP18214080 A EP 18214080A EP 3671792 A1 EP3671792 A1 EP 3671792A1
Authority
EP
European Patent Office
Prior art keywords
contact
current
electrical
electrical tap
circuit board
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP18214080.6A
Other languages
German (de)
English (en)
Other versions
EP3671792B1 (fr
Inventor
Patrik SCHMIDT
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jean Mueller Elektrotechnische Fabrik GmbH
Original Assignee
Jean Mueller Elektrotechnische Fabrik 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 Jean Mueller Elektrotechnische Fabrik GmbH filed Critical Jean Mueller Elektrotechnische Fabrik GmbH
Priority to EP18214080.6A priority Critical patent/EP3671792B1/fr
Priority to PL18214080.6T priority patent/PL3671792T3/pl
Priority to FIEP18214080.6T priority patent/FI3671792T3/fi
Publication of EP3671792A1 publication Critical patent/EP3671792A1/fr
Application granted granted Critical
Publication of EP3671792B1 publication Critical patent/EP3671792B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/46—Circuit arrangements not adapted to a particular application of the protective device
    • H01H85/463—Circuit arrangements not adapted to a particular application of the protective device with printed circuit fuse
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
    • H01H1/40—Contact mounted so that its contact-making surface is flush with adjoining insulation
    • H01H1/403—Contacts forming part of a printed circuit
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/0241—Structural association of a fuse and another component or apparatus
    • H01H2085/0266—Structural association with a measurement device, e.g. a shunt
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/0241—Structural association of a fuse and another component or apparatus
    • H01H2085/0275—Structural association with a printed circuit board
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/02—Details
    • H01H31/12—Adaptation for built-in fuse
    • H01H31/122—Fuses mounted on, or constituting the movable contact parts of, the switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
    • H01H85/041—Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
    • H01H85/046—Fuses formed as printed circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/20—Bases for supporting the fuse; Separate parts thereof
    • H01H85/203—Bases for supporting the fuse; Separate parts thereof for fuses with blade type terminals
    • H01H85/204—Bases for supporting the fuse; Separate parts thereof for fuses with blade type terminals for low voltage fuses with knife-blade end contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/54—Protective devices wherein the fuse is carried, held, or retained by an intermediate or auxiliary part removable from the base, or used as sectionalisers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
    • H01R13/6658—Structural association with built-in electrical component with built-in electronic circuit on printed circuit board

Definitions

  • the present invention relates to an electrical tap with an overcurrent protection device and an arrangement of a current distribution component and an electrical tap.
  • the power distribution component is, in particular, a power distribution component in low-voltage networks.
  • the power distribution component is preferably a switching device, preferably a switching strip, in particular a load switching strip, for example a low-voltage high-performance (NH) load switching strip.
  • load switch strips are for example from the EP 1 993 116 A1 as well as the DE 38 12 504 A1 known.
  • the voltage and / or current values must be known that are present on a current-carrying component, in particular on a current-carrying component of a current distribution component.
  • an electrical tap is required to tap a voltage applied to a current-carrying component in order to measure the electrical voltage applied to the current-carrying component.
  • an electrical tap can additionally or alternatively serve to supply an electronic component, such as, for example, measurement and / or evaluation electronics.
  • This measurement and / or evaluation electronics can be used, for example, to measure, record, further process and / or evaluate the voltage applied to the current-carrying component and to forward the corresponding measured values or measurement results, for example via a network, in particular via a wireless network.
  • An electrical tap with an overcurrent protection device which has the features of the preamble of claim 1, is known from the EP 3 252 795 A1 known.
  • This electrical tap has an overcurrent protection device in the form of a separate electrical fuse which can be introduced into a housing of the electrical tap, the electrical fuse establishing an electrical connection between an input contact and an output contact.
  • the task of the electrical fuse is to protect an electronic component connected to the output contact from an overcurrent.
  • the EP 3 252 795 A1 an arrangement of a power distribution component in the form of a power switch and the aforementioned electrical tap.
  • the electrical tap is arranged within the power distribution component, the input contact of the electrical tap being plugged onto an exposed cable connected to the switching strip and being electrically connected to it.
  • the object of the present invention is to develop an electrical tap with an overcurrent protection device which has the features of the preamble of patent claim 1 in such a way that it is particularly simple and inexpensive to manufacture and, in the event of an overcurrent occurring at the electrical tap, one connected to the output contact electrical circuit reliably interrupts and the occurrence of an arcing fault reliably prevented. Furthermore, it is an object of the present invention to provide an arrangement of a power distribution component and an electrical tap.
  • the electrical tap according to the invention with an overcurrent protection device is used to tap a voltage applied to a current-carrying component in order to measure the electrical voltage applied to the current-carrying component and / or to supply power to an electrical component.
  • the electrical component can be, for example, measurement and / or evaluation electronics.
  • the current-carrying component can be, for example, a busbar of a power distribution component.
  • the current-carrying component is preferably a current-carrying contact of a current distribution component, in particular a current-carrying contact of a load switching strip.
  • the current-carrying contact can serve, for example, to hold an electrical fuse, in particular an NH fuse or an NH fuse link.
  • the contact can also be used to hold a cutting knife.
  • the current-carrying component in particular the current-carrying contact, in particular NH contact, is preferably an exposed, current-carrying component.
  • the term “exposed” is understood to mean that the current-carrying component has an exposed, conductive surface, consequently a surface that is not sealed off from the environment, in particular is not hermetically sealed from the environment, so that the potential danger to another exposed arcing component arcing or arcing.
  • the electrical tap has a printed circuit board, the printed circuit board having an input contact, preferably for contacting the current-carrying component, and an output contact.
  • the input contact can be electrically connected to the current-carrying component.
  • the printed circuit board has a conductor track, the input contact and the output contact being electrically connected to one another by means of the conductor track, wherein at least a portion of the conductor track forms the overcurrent protection device. At least this section of the conductor track is hermetically sealed.
  • the overcurrent protection device is formed by the conductor track of the printed circuit board itself, so that if an overcurrent occurs, a partial section of the conductor track breaks or is destroyed and thus interrupts the circuit.
  • the fact that at least this section of the conductor track, which forms the overcurrent protection device, is hermetically sealed, prevents an arc from occurring in the event of an overcurrent and the associated destruction of the conductor track in the region of the destruction point, or the arc that may possibly occur quasi in the electrical tap is encapsulated so that the arc can have no influence on the environment of the electrical tap.
  • the electrical tap according to the invention it is therefore not necessary to introduce a separate fuse, for example by soldering one onto the printed circuit board, or to provide special receptacles for a replaceable fuse.
  • the electrical tap according to the invention is particularly simple and, in particular, inexpensive to manufacture.
  • the circuit board can be designed as a printed circuit board.
  • the circuit board can certainly be designed as a flexible circuit board, for example as a film circuit board.
  • the circuit board is preferably designed as a rigid circuit board.
  • the tap does not require or have a separate fuse
  • the tap is also characterized by a particularly space-saving design, so that only a particularly small installation space is required with regard to the arrangement of such an electric tap. Due to the particularly small space requirement for the electrical tap, in particular already existing power distribution components can be equipped with an electrical tap in a simple manner.
  • the entire electrical tap can be replaced, for example.
  • the components which are electrically connected to the electrical tap are preferably used further, so that only the electrical tap has to be replaced in the event of an overcurrent. In the event of an overcurrent, the full functionality can thus be restored easily and inexpensively.
  • the entire conductor track is hermetically sealed. This ensures particularly good protection.
  • the entire conductor track preferably forms the overcurrent protection device, the entire conductor track being hermetically sealed.
  • the circuit board has a base plate with a conductor track adhering to it, the partial section, in particular the entire conductor track, being formed between the base plate and a cover layer connected to the circuit board, in particular to the base plate.
  • the cover layer can be, for example, a lacquer or a further plate, in particular a further plate in the manner of the base plate.
  • the base plate and / or the cover layer is preferably made of an electrically non-conductive or poorly conductive material.
  • the base plate or the cover layer made of an electrically insulating plastic, in particular polyester or a fiber-reinforced plastic.
  • the input contact and / or the output contact are preferably designed as through contacts.
  • the input contact and / or the output contact are designed as soldering pads, also called pads, or have such a soldering pad.
  • the conductor track consists in particular of a single material, that is to say that the conductor track is made of one and the same material over its entire extent, so that no material inhomogeneities are formed or present in the conductor track.
  • the conductor track is preferably made of copper.
  • the printed circuit board is preferably produced by means of an etching process.
  • a rated current for the electrical tap is between 10 mA and 10 A.
  • the rated current is between 10 mA and 10 A when the electrical tap is used to obtain a measurement signal.
  • the electrical tap serves to supply power to an electronic component, it is considered to be particularly advantageous if the rated current is between 1 mA and 200 mA, preferably between 10 mA and 50 mA.
  • the electrical tap is preferably designed such that it is at AC voltages of 200 V to 1500 V, in particular 300 V to 1000 V, preferably 400 V to 800 V, particularly preferably 450 V to 750 V, particularly preferably between 550 V and 700 V, between 650 V and 700 V can be used with particular preference.
  • the electrical tap at DC voltage, in which case the preferred voltage range is 200 V to 450 V.
  • Electrical tapping is preferably used in power distribution components, in particular in main distributions in low-voltage networks.
  • the electrical tap is preferably used in such main circuits whose rated short-circuit current is at least 50 kA.
  • the conductor track has a constriction section in a region between the input contact and the output contact, with a section adjacent to the constriction section Sections of the conductor track has a reduced cross-section, the narrowing section forming the overcurrent protection device, the narrowing section being hermetically sealed.
  • the conductor track has a plurality of hermetically sealed constriction sections.
  • the conductor track is not only destroyed at one of the constriction sections, but rather destruction occurs at several or even all of the constriction sections.
  • the provision of a plurality of constriction sections has the advantage that the forces or energies which occur at the respectively destroyed constriction section during the destruction are lower than when only a single constriction section or partial section of the conductor track is destroyed.
  • the energy or forces occurring in the event of an overcurrent at the respective constriction section can be reduced, so that the material of the printed circuit board or base plate and the cover layer can have a lower mechanical resistance, in particular a lower strength, than in the case of only a constriction section or no constriction section is necessary, which has an advantageous effect on the material and manufacturing costs.
  • a minimum cross section of the constriction section is 30% to 90%, in particular 50% to 90%, particularly preferably 70% to 90% of a maximum cross section of the conductor track.
  • a minimum cross section of the constriction section of only up to 30% or 70% of the maximum cross section of the conductor track is also conceivable.
  • the printed circuit board is preferably designed as a multilayer plate, at least the partial section forming the overcurrent protection device, in particular the entire printed circuit, being formed between the at least two inner layers.
  • the circuit board is therefore a multilayer circuit board.
  • the sub-section forming the overcurrent protection device or the entire conductor track is hermetically sealed from the surroundings by the two inner layers.
  • the electrical tap has a connecting device, the connecting device being electrically connected to the input contact, wherein a, preferably releasable, electrical connection to the input contact can be established by means of the connecting device is, or wherein the connecting device is electrically connected to the output contact, wherein a, preferably releasable, electrical connection to the output contact can be established by means of the connecting device.
  • the connecting device can be designed to be immovable with respect to the printed circuit board.
  • the connecting device is preferably electrically connected to the input contact or the output contact by means of a flexible cable or a flexible conductor. This makes it easier to establish an electrical connection.
  • connection device is permanently connected to the input contact or the output contact, preferably the connection device or one to the connection device connected cable is soldered to the input contact or the output contact.
  • the connecting device is preferably designed as a clamp for receiving an electrical cable and / or an electrical conductor. This embodiment makes it easier for the user to establish an electrical connection with the input contact or the output contact of the electrical tap.
  • the clamp can be designed, for example, as a screw clamp, spring clamp clamp, or insulation displacement clamp.
  • the terminal is soldered to the circuit board, preferably a pad of the circuit board.
  • the connecting device can be releasably connected to a counter device corresponding to the connecting device, for producing a releasable electrical connection.
  • the connecting device is preferably designed as a socket or as a plug for inserting a corresponding plug or for inserting into a corresponding socket.
  • the electrical tap has a spring contact for contacting the current-carrying component, the spring contact being electrically connected to the input contact.
  • the spring contact is preferably firmly connected to the circuit board, in particular soldered to the circuit board.
  • This design of the electrical tap is considered to be particularly advantageous with regard to an arrangement of the electrical tap on the current-carrying component or an electrical component having the current-carrying component, since for the purpose of establishing an electrical connection between the current-carrying component and the electrical tap, only the spring contact has an exposed section of the current-carrying component must contact mechanically, so that the making of the electrical connection is particularly simple.
  • the electrical tap can be adjacent to the current-carrying component in a current distribution component or an electrical component are inserted or inserted in such a way that the spring contact comes into contact with an exposed section of the current-carrying component when it is inserted or inserted. It is entirely conceivable that the electrical tap is pushed onto the current-carrying component, for example an electrical contact of a load switching strip.
  • a spring contact is particularly inexpensive and simple to manufacture and can be connected to the input contact of the electrical tap, for example by means of soldering.
  • the spring contact is formed by a bent band or a bent strip of a resilient, electrically conductive material, in particular by a metal or a metal alloy.
  • the spring contact particularly preferably has a first leg and a second leg, the first leg being connected to the input contact and the second leg being designed as a free leg, the second free leg serving to make contact with the current-carrying component.
  • the spring contact has a first leg and a second leg, the first leg being connected to the input contact and the second leg being designed as a free leg, insofar as it is freely movable, wherein the second free leg is mechanically supported on the circuit board, a contacting section being formed between the two legs, the contacting section being arranged at a distance from the circuit board.
  • the output contact is preferably formed on a side of the circuit board facing away from the input contact and / or the output contact is accessible from a side of the circuit board facing away from the spring contact.
  • the circuit board is in particular a flat circuit board.
  • the printed circuit board has a cutout for arranging the current-carrying component, in particular the spring contact is arranged adjacent to the cutout.
  • the recess is in particular designed as a through opening enclosed by the printed circuit board.
  • the electrical tap preferably has a fastening structure, wherein the electrical tap can be fastened to the current-carrying component or to a component having the current-carrying component, for example a circuit breaker, in particular a housing, the current-carrying component or the component having a counter-fastening structure corresponding to the fastening structure having.
  • This embodiment of the electrical tap enables a particularly simple attachment of the electrical tap to the current-carrying component or to a component having the current-carrying component. Due to the interlocking of the fastening structure and the counter-fastening structure, the electrical tap is mounted in a particularly stable manner with respect to the current-carrying component. On the one hand, this ensures the mechanical stability of such an arrangement of electrical tap and current-carrying component. On the other hand, assembly is also simplified since the electrical tap is held in this position when the correct position is reached.
  • the electrical tap can be fastened to a cover for covering the current-carrying component, in particular an exposed contact, or to a carrier part having the current-carrying component, the cover or the carrier part having the counter-fastening structure corresponding to the fastening structure .
  • the electrical tap is preferably arranged together with the current-carrying component in a cover space of the cover. This is particularly space-saving. In addition, no separate cover is required. And the cover offers additional mechanical and electrical protection.
  • the circuit board has the fastening structure, in particular a partial area of the circuit board forms the fastening structure.
  • the fastening structure is in particular designed as a projection and the counter-fastening structure as a recess or recess or vice versa, the fastening structure as a recess or recess and the counter-fastening structure as a projection.
  • the fastening structure and the counter-fastening structure are designed as a clip connection.
  • the inventive arrangement of a power distribution component and an electrical tap has the features of claim 13. It is provided that the current distribution component has a first exposed current-carrying component, in particular in the form of a first exposed contact, and a second exposed current-carrying component, in particular in the form of a second exposed contact, the first current-carrying component having a current supply and the second current-carrying component Component is connected or connectable to a power outlet. The first current-carrying component and the second current-carrying component are spaced apart from one another.
  • the electrical tap is arranged in the current distribution component, in particular fastened to it, the input contact of the electrical tap being electrically connected to the first current-carrying component and / or the second current-carrying component.
  • the current distribution component is preferably designed as a switchable or non-switchable strip, in particular as a load switching strip, particularly preferably as an NH load switching strip.
  • the load switch strip has a plurality of contacts, the respective contact having a first section for receiving the electrical fuse or for receiving the disconnecting knife, and the respective contact having a second section which can be connected or connected to an electrical access or electrical outlet of the switching strip , wherein the spring contact of the electrical tap contacts the corresponding contact in the region of the second section.
  • the current distribution component has a cover for covering the first contact and / or the second contact, the cover being connectable to a carrier part of the current distribution component having the contacts, in particular the cover being insertable into the carrier part , wherein the electrical tap has a fastening structure and the cover has a counter-fastening structure corresponding to the fastening structure, the electrical tap being fastened to the cover.
  • This configuration of the arrangement is to be regarded as particularly advantageous with regard to the installation or retrofitting of an already existing power distribution component, since the cover separated from the carrier part can be provided particularly easily with the electrical tap or several electrical taps and then the one with the electrical taps or the cover provided with the electrical tap only has to be inserted into the carrier part, it being provided in particular that a spring contact of the electrical tap comes into contact with the corresponding contact of the power distribution component when the cover is inserted into the carrier part.
  • the cover has a cover for covering the contact of the power distribution component, the printed circuit board of the electrical tap being arranged in an area of the cover facing the carrier part.
  • the cover has an opening on the side facing the carrier part for introducing the contact, the circuit board of the electrical tap being arranged in the region of the opening, in particular the circuit board having a cutout for the contact, in particular in Form of a through opening.
  • the printed circuit board forms a bottom section of the cover.
  • the printed circuit board has a cutout for arranging the first current-carrying component or the second current-carrying component, the electrical tap having a spring contact arranged adjacent to the cutout, the spring contact making contact with the first current-carrying component or the second current-carrying component .
  • the spring contact is electrically connected to the input contact and the spring contact is firmly connected to the printed circuit board. It is considered to be particularly advantageous if the spring contact protrudes into the recess perpendicular to an extension direction of the printed circuit board in a plan view.
  • the printed circuit board preferably extends perpendicularly or substantially perpendicularly to a plug-on direction of the cover.
  • the cover has a cover and a bearing structure for mounting the cover
  • the bearing structure has the counter-fastening structure for fastening the electrical tap.
  • the cover is preferably detachable, connected or connectable to the bearing structure, in particular insertable into the bearing structure.
  • the bearing structure can in particular be connected to a support part having the current-carrying components, in particular to a support part having the free contacts.
  • the bearing structure can preferably be inserted into the carrier part.
  • the fastening structure of the electrical tap is formed by the printed circuit board itself, the counter-fastening structure corresponding to the fastening structure being formed by two spaced-apart, parallel partial sections of the corresponding component, with the purpose of fastening the electrical tap in the corresponding component the circuit board is inserted into the space between the two sections and is held clamped between the sections.
  • the counter-fastening structure has a contact section for the printed circuit board, the printed circuit board coming into contact with the contact section when the printed circuit board is inserted between the two partial sections, and thus the contact section prevents further insertion of the printed circuit board. This ensures that the circuit board is in the correct position with respect to the current-carrying component after it has been inserted into the counter-fastening structure.
  • the cover in particular the bearing structure of the cover, preferably receives cabling connected to the output contact of the electrical tap.
  • the assembly of the power distribution component in particular with regard to any electronics, is significantly simplified since, first of all, the electrical tap, the cabling, the cover, possibly the cover hood and the bearing structure, can be mounted separately, and in a further step this entire arrangement can be connected to a carrier part having the contacts or the current-carrying component, it being provided in particular that the cover with the electrical tap arranged in this cover is plugged onto the carrier part, wherein during the process of plugging the output contact, in particular the spring contact connected to the output contact, comes into contact with the current-carrying component, in particular the contact, so that no separate contacting of the input contact of the electrical tap and the current-carrying component is necessary.
  • the 1 to 5 show a first embodiment of an electrical tap 1.
  • the electrical tap 1 has a rigid circuit board 2 in the present case, the circuit board 2 having an input contact 3 and an output contact 4, the input contact 3 being electrically connectable to a current-carrying component 12a, 12b, such as, for example, the 11 and 12 can be seen.
  • the printed circuit board 2 has a conductor track 5, the input contact 3 and the output contact 4 being electrically connected to one another only by means of the conductor track 5.
  • the conductor track 5 or at least a portion of the conductor track 5 forms an overcurrent protection device which interrupts the electrical connection between the input contact 3 and the output contact 4 in the event of an overcurrent.
  • the entire conductor track 5 is hermetically sealed in the present case.
  • the hermetic seal is formed in that the printed circuit board 2 is designed as a multilayer printed circuit board and has two inner layers 7, 8, the entire printed conductor 5 being formed between the two layers 7, 8.
  • the input contact 3 and the output contact 4 are designed as through contacts 24 with a soldering surface attached to the respective through contact 24.
  • the electrical tap 1 has a spring contact 10 for contacting the current-carrying component 12a, 12b, the spring contact 10 being electrically and mechanically connected to the input contact 3, in the present case the spring contact 10 being soldered to the soldering surface of the input contact 3.
  • the spring contact 10 is in the 1 and 2 not shown.
  • the spring contact 10 is formed by a bent band made of a resilient, electrically conductive material, the spring contact 10 having a first leg 28 and a second leg 29, the first leg 28 being connected to the input contact 3 and the second leg 29 as free leg is formed, the second free leg 29 being mechanically supported on the printed circuit board 2.
  • a contacting section 30 is formed between the two legs 28, 29, the contacting section 30 being arranged at a distance from the printed circuit board 2.
  • the output contact 4 is formed on a side of the printed circuit board 2 facing away from the input contact 3 or the spring contact 10, the electrical tap 1 having a connecting device in the form of a clamp 33, the connecting device being electrically connected to the output contact 4.
  • the clamp 33 is connected in a stationary manner to the printed circuit board 22, namely soldered to the soldering surface of the output contact 4.
  • a releasable electrical connection to the output contact 4 can be established by means of the connecting device, a cable or an electrical conductor of a wiring 19 being insertable into the terminal 33 for this purpose.
  • the 9 to 12 show an arrangement of a switching strip 13 and six electrical taps 1 of the first embodiment.
  • the switching strip 13 has an upper part 18, in which a cover 31 is mounted in this upper part 18, which serves to hold electrical fuses 25.
  • a cover 31 is mounted in this upper part 18, which serves to hold electrical fuses 25.
  • the switching strip 13 is in the 9 to 12 shown safety edge 13 around an NH safety edge.
  • the cover 31 is slidably mounted in the upper part 18, the cover 31 being able to be moved with respect to the upper part 18 with the aid of a switching lever 32 for the purpose of inserting the electrical fuses 25 into the contacts 12a, 12b provided for this purpose.
  • These contacts 12a, 12b are in turn formed in a carrier part 17 of the switching strip 13, the carrier part 17 in the present case in turn being mechanically and electrically connectable to a busbar system.
  • the contacts 12a, 12b are in turn each connected to a busbar 23.
  • the switching strip 13 also has a cover 15, 16 for covering the exposed contacts 12a, 12b, the cover 15, 16 being formed here by six cover hoods 16 and a bearing structure 15, the bearing structure 15 serving to support the cover hoods 16, wherein the covers 16 can be plugged onto the bearing structure 15, in the present case they can be plugged on in a latching manner.
  • the bearing structure 15 can in turn be latched into the carrier part 17.
  • the six electrical taps 1 and the cabling 19 connected to the electrical taps 1 are in this case arranged in the cover 15, 16, specifically in the bearing structure 15 of the cover 15, 16.
  • the bearing structure 15 has a plurality of counter-fastening structures 14b, the respective counter-fastening structure 14b being formed by two parallel subsections of the bearing structure 15, the printed circuit board 2 being insertable between the two subsections and thus into the counter structure 14b .
  • the printed circuit board 2 or a partial section of the printed circuit board 2 forms a fastening structure 14a corresponding to the counter-fastening structure 14b.
  • printed circuit board 2 is aligned parallel to the respective contact 12a, 12b and aligned parallel to an insertion direction of the cover hoods 16 in the bearing structure 15 and parallel to an insertion direction of the bearing structure 15 in the carrier part 17.
  • the electrical tap 1 is arranged between the cover 16 and the bearing structure 15, thus within a cover space for the corresponding contact 12a, 12b, which is defined by the cover 16 and the bearing structure 15.
  • the arrangement of the bearing structure 15, cover 16 and electrical attack 1 together with cabling 19 is particularly advantageous, since the components of the cover 16, bearing structure 15, electrical tap 1, cabling 19 can be preassembled and subsequently as a preassembled unit can be connected to the carrier part 17, the preassembled unit being pushed over the contacts 12a, 12b of the carrier part 17 during the connection, the spring contact 10 coming into contact with the contact 12a, 12b during the process of being pushed open.
  • the 6 to 8 show a second embodiment of the electrical tap 1.
  • This embodiment differs from the first embodiment essentially in that the conductor track 5 has a constriction section 6 in a region between the input contact 3 and the output contact 4, the constriction section 6 opposite the constriction section 6 adjacent sections of the conductor track 5 has a reduced cross section.
  • This constriction section 6 forms the overcurrent protection device which interrupts the electrical connection between the input contact 3 and the output contact 4 in the event of an overcurrent.
  • the second embodiment has no clamp.
  • the wiring 19 is soldered directly to the soldering surface of the output contact 4.
  • the 13 to 19 show a third embodiment of the electrical tap 1 and a further embodiment of an arrangement of an electrical tap 1 of the third embodiment and a power distribution component.
  • the power distribution component is in turn a switching strip 13, the switching strip 13 being different from that in FIGS 9 to 12 Differing switching strip 13 shown in particular by the design of the electrical contacts 12a, 12b and the cover 15, 16. Furthermore, the differs in the 13 to 19 shown arrangement further by the electrical tap 1 and the arrangement of this electrical tap 1 in the switching strip 13 or by the attachment of the electrical tap 1 in the switching strip 13, specifically in the type of attachment of the electrical tap 1 in the cover, in the present case Cover 16.
  • the cover of the safety edge is only formed by an arrangement of three pairs of cover hoods 16 which is firmly connected to one another, and thus at the in the 13 to 19 shown arrangement provided a pair of covers 16 for a pair of contacts 12a, 12b.
  • the electrical tap 1 as such differs from the electrical tap 1 of the first and the second embodiment essentially in that the printed circuit board 2 has a cutout 11 in the form of a through opening completely enclosed by the printed circuit board 2.
  • This cutout 11 serves to arrange the first contact 12a or the second contact 12b, the electrical tap 1 in turn having a spring contact 10 adjacent to the cutout 11, the spring contact 10 making contact with the electrical contact 12a, 12b.
  • Fig. 15 refer to.
  • the respective contact 12a, 12b has a first section 26 for receiving the electrical fuse 25 or for receiving the separating knife. Furthermore, the respective contact 12a, 12b has a second section 27 connected to an electrical access or electrical outlet of the switching strip 13, the spring contact 10 of the electrical tap 1 making contact with the corresponding contact 12a, 12b in the region of the second section 27.
  • the printed circuit board 2 is oriented perpendicular to the contact 12a, 12b or perpendicularly to a plug-on direction of the cover 16 on the contact 12a, 12b, the cover 16 having an opening for inserting the contact 12a, 12b on the side facing the carrier part 17 , wherein the circuit board 2 is arranged in the region of the opening of the cover 16.
  • the printed circuit board 2 virtually forms a bottom section of the respective cover 16.
  • the printed circuit board 2 has a fastening structure 14a in the form of two projections 14a.
  • the respective cover 16 has counter-fastening structures 14b corresponding to these fastening structures 14a in the form of through openings on.
  • the interaction of the fastening structure 14a and the counter-fastening structure 14b is in particular that 18 and 19 refer to.
  • the third exemplary embodiment of the electrical tap 1 has a connecting device in the form of a plug 9 for inserting a corresponding counter device in the form of a socket 22 of the wiring 19.
  • the electrical taps 1 are electrically connected to one another by means of the wiring 19, the wiring 19 in turn being connected to a measurement and / or evaluation electronics 20.
  • the Fig. 15 no representation of the plug 9.
  • the electrical taps 1 serve to supply power to the measurement and / or evaluation electronics 20, the measurement and / or evaluation electronics 20 in turn receiving a measurement signal from current transformers 21.
  • the measurement and / or evaluation electronics 20 thus serve to measure the current flowing through the switching strip 13, for example in order to determine a current consumption.
  • the 20 to 21 show a fourth embodiment of the electrical tap 1, which essentially corresponds to the third embodiment, this fourth embodiment having two plugs 9 for connecting to a corresponding socket 22 of the wiring 19.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Fuses (AREA)
EP18214080.6A 2018-12-19 2018-12-19 Agencement d'un composant de distribution d'énergie et d'une prise électrique doté d'un dispositif de protection contre les surintensités Active EP3671792B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP18214080.6A EP3671792B1 (fr) 2018-12-19 2018-12-19 Agencement d'un composant de distribution d'énergie et d'une prise électrique doté d'un dispositif de protection contre les surintensités
PL18214080.6T PL3671792T3 (pl) 2018-12-19 2018-12-19 Układ elementu rozdziału prądu i zaczepu elektrycznego z urządzeniem zabezpieczającym przed przetężeniem
FIEP18214080.6T FI3671792T3 (fi) 2018-12-19 2018-12-19 Virranjakokomponentin ja sähköisen haaroittimen järjestely sisältäen ylivirtasuojalaitteen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18214080.6A EP3671792B1 (fr) 2018-12-19 2018-12-19 Agencement d'un composant de distribution d'énergie et d'une prise électrique doté d'un dispositif de protection contre les surintensités

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EP3671792A1 true EP3671792A1 (fr) 2020-06-24
EP3671792B1 EP3671792B1 (fr) 2024-02-07

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EP18214080.6A Active EP3671792B1 (fr) 2018-12-19 2018-12-19 Agencement d'un composant de distribution d'énergie et d'une prise électrique doté d'un dispositif de protection contre les surintensités

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Country Link
EP (1) EP3671792B1 (fr)
FI (1) FI3671792T3 (fr)
PL (1) PL3671792T3 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3812504A1 (de) 1988-04-15 1989-10-26 Mueller Jean Ohg Elektrotech Nh-sicherungslastschaltleiste
EP1993116A1 (fr) 2007-05-04 2008-11-19 Weber Ag Dispositif de commutation de puissance à fusibles
WO2016208612A1 (fr) * 2015-06-24 2016-12-29 住友電工プリントサーキット株式会社 Carte de circuit imprimé flexible et procédé de production de carte de circuit imprimé flexible
EP3252795A1 (fr) 2016-05-31 2017-12-06 Pronutec, S.A.U. Système de prise de tension pour une base porte-fusible, base de porte-fusible et module de mesure incorporant ledit système

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3812504A1 (de) 1988-04-15 1989-10-26 Mueller Jean Ohg Elektrotech Nh-sicherungslastschaltleiste
EP1993116A1 (fr) 2007-05-04 2008-11-19 Weber Ag Dispositif de commutation de puissance à fusibles
WO2016208612A1 (fr) * 2015-06-24 2016-12-29 住友電工プリントサーキット株式会社 Carte de circuit imprimé flexible et procédé de production de carte de circuit imprimé flexible
US20190006141A1 (en) * 2015-06-24 2019-01-03 Sumitomo Electric Printed Circuits, Inc. Flexible printed circuit board and method of manufacturing flexible printed circuit board
EP3252795A1 (fr) 2016-05-31 2017-12-06 Pronutec, S.A.U. Système de prise de tension pour une base porte-fusible, base de porte-fusible et module de mesure incorporant ledit système

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EP3671792B1 (fr) 2024-02-07
PL3671792T3 (pl) 2024-07-15
FI3671792T3 (fi) 2024-05-06

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