Abstract

The invention relates to a current-measuring resistor (1) for measuring an electric current (I), having two connector parts (2) made of a conductor material for introducing or discharging the current (I) to be measured and having two resistor elements (4, 5) made of a resistive material, wherein the two resistor elements (4, 5) are electrically connected in series and located between the two connector parts (2, 3), and the current (I) to be measured flows through both resistor elements during operation. According to the invention, there is a direct electrical and mechanical connection (7; 14) between the two resistor elements (4, 5). The invention also relates to a current-measuring circuit having a current-measuring resistor (1) of this type, to an operating method for a current-measuring circuit of this type, and to a method for producing the current-measuring resistor (1) according to the invention.

IPC Classes  ?

• G01R 1/20 - Modifications of basic electric elements for use in electric measuring instrumentsStructural combinations of such elements with such instruments
• H01C 1/00 - RESISTORS Details

Abstract

The invention relates to a pyrotechnic battery disconnect system (1) having an electric high-voltage battery (2) with a low side at low-voltage potential (LV) and a high side at high-voltage potential (HV), a pyro fuse (4) for electrically disconnecting the high-voltage battery (2), wherein the pyro fuse (4) is connected in series with the high-voltage battery (2) and is arranged on the high side of the high-voltage battery (2) such that the pyro fuse (4) is at the high-voltage potential (HV), and having a control circuit (7) with a trip output for tripping the pyro fuse (4), wherein the pyro fuse (3) cuts off the high-voltage battery (2) upon tripping. According to the invention, the control circuit (7) is likewise arranged on the high side of the high-voltage battery (2) and is at the high-voltage potential (HV) in order, when the pyro fuse (4) trips, to avoid a brief short circuit between the high-voltage potential (HV) of the pyro fuse (4) and the low-voltage potential (LV). Furthermore, the invention comprises an associated operating method.

IPC Classes  ?

• B60L 3/04 - Cutting-off the power supply under fault conditions
• H02H 7/18 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for batteriesEmergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for accumulators
• H02H 3/18 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to reversal of direct current
• H02H 3/087 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess current for DC applications
• H01H 39/00 - Switching devices actuated by an explosion produced within the device and initiated by an electric current
• H02H 1/06 - Arrangements for supplying operative power
• B60L 3/00 - Electric devices on electrically-propelled vehicles for safety purposesMonitoring operating variables, e.g. speed, deceleration or energy consumption

Goods & Services

Alloys of common metals for manufacturing electric resistors and/or heating elements, in particular in the form of wires, flex, bands, pipes, netting, sheets and plates, foils, rods, slabs and blocks; soldering wire.

Goods & Services

Alloys of common metals for manufacturing electric resistors and/or heating elements, in particular in the form of wires, flex, bands, pipes, netting, sheets and plates, foils, rods, slabs and blocks; soldering wire.

Abstract

NENNFERTMESSMESSMESSFERTMESSMESSMESS). The invention also includes a corresponding SMD component.

IPC Classes  ?

• H01C 1/04 - Arrangements of distinguishing marks, e.g. colour coding
• G01R 1/20 - Modifications of basic electric elements for use in electric measuring instrumentsStructural combinations of such elements with such instruments
• H01C 17/00 - Apparatus or processes specially adapted for manufacturing resistors

Goods & Services

Alloys of common metals for manufacturing electric resistors and/or heating elements, in particular in the form of wires, flex, bands, pipes, netting, sheets and plates, foils, rods, slabs and blocks; soldering wire.

Goods & Services

Alloys of common metals for manufacturing electric resistors and/or heating elements, in particular in the form of wires, flex, bands, pipes, netting, sheets and plates, foils, rods, slabs and blocks; soldering wire.

Abstract

The invention relates to a current measuring resistor (1) for measuring an electric current (I), comprising two plate-shaped connection parts (2, 3), which are made of an electrically conductive conductor material, for introducing or discharging the current (I) to be measured and a plate-shaped resistor element (4), which is made of a low-ohmic resistor material. The resistor element (4) is electrically and mechanically connected to the connection parts (2, 3) and is arranged between the two connection parts (2, 3) in the current flow direction such that the electric current (I) to be measured flows through the resistor element (4). According to the invention, the plate-shaped resistor element (4) is placed on the upper face of the connection parts (2, 3) and overlaps with each of the plate-shaped connection parts (2, 3) in a respective overlap region (7, 8), in particular in a plane-parallel manner.

IPC Classes  ?

• H01C 1/014 - MountingSupporting the resistor being suspended between, and being supported by, two supporting sections
• H01C 1/06 - Electrostatic or electromagnetic shielding arrangements
• H01C 1/12 - Arrangements of current collectors
• H01C 1/144 - Terminals or tapping points specially adapted for resistorsArrangements of terminals or tapping points on resistors the terminals or tapping points being welded or soldered
• H01C 7/06 - Non-adjustable resistors formed as one or more layers or coatingsNon-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material including means to minimise changes in resistance with changes in temperature
• G01R 3/00 - Apparatus or processes specially adapted for the manufacture of measuring instruments

Abstract

The invention relates to a current measuring resistor (1) for measuring an electric current (I), comprising two plate-shaped connection parts (2, 3), which are made of a conductor material, and a plate-shaped resistor element (4), which is made of a resistor material. The resistor element (4) is electrically and mechanically connected to the connection parts (2, 3) and is arranged between the two connection parts (2, 3) in the current flow direction such that the electric current (I) to be measured flows through the resistor element (4). According to the invention, the resistor element (4) is arranged at least partly between the first connection part (2) located on the upper face of the resistor element (4) and the second connection part (3) located on the lower face of the resistor element (4).

IPC Classes  ?

• G01R 1/20 - Modifications of basic electric elements for use in electric measuring instrumentsStructural combinations of such elements with such instruments
• H01C 1/014 - MountingSupporting the resistor being suspended between, and being supported by, two supporting sections
• G01R 3/00 - Apparatus or processes specially adapted for the manufacture of measuring instruments
• H01C 1/12 - Arrangements of current collectors
• H01C 1/144 - Terminals or tapping points specially adapted for resistorsArrangements of terminals or tapping points on resistors the terminals or tapping points being welded or soldered
• H01C 7/06 - Non-adjustable resistors formed as one or more layers or coatingsNon-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material including means to minimise changes in resistance with changes in temperature
• H01C 17/28 - Apparatus or processes specially adapted for manufacturing resistors adapted for applying terminals
• G01R 15/14 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
• G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
• H01C 1/084 - Cooling, heating or ventilating arrangements using self-cooling, e.g. fins, heat sinks
• H01C 1/08 - Cooling, heating or ventilating arrangements

Abstract

The invention relates to a manufacturing method for an electrical resistor (1), in particular for a low-resistance current-measuring resistor, said method having the following steps: - providing a planar support element (2) made of a conductor material, - providing a planar resistor element (3) made of a resistive material, - two-dimensionally applying the planar resistor element (3) to the upper side of the support element (2) with an electrically insulating layer (4) between the resistor element (3) and the support element (2), and - contacting the resistor element (3) using two contact caps (8, 9) made of a conductor material, the two contact caps (8, 9) resting directly on the top side of the resistor element (3) and enclosing a certain distance (d) between them along the current-flow direction in the resistor (1) directly on the top side of the planar resistor element (3), and - predefining a desired resistor value of the resistor (1). The manufacturing method according to the invention is characterised by the following step: - adjusting the resistor value of the resistor (1) by setting the distance (d) between the contact caps (8, 9) directly on the top side of the resistor element (3), the distance (d) being set depending on the desired resistor value.

IPC Classes  ?

• H01C 1/142 - Terminals or tapping points specially adapted for resistorsArrangements of terminals or tapping points on resistors the terminals or tapping points being coated on the resistive element
• H01C 1/148 - Terminals or tapping points specially adapted for resistorsArrangements of terminals or tapping points on resistors the terminals embracing or surrounding the resistive element
• H01C 17/00 - Apparatus or processes specially adapted for manufacturing resistors
• H01C 17/28 - Apparatus or processes specially adapted for manufacturing resistors adapted for applying terminals
• H01C 7/00 - Non-adjustable resistors formed as one or more layers or coatingsNon-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
• H01C 17/07 - Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base by resistor foil bonding, e.g. cladding
• H01C 1/14 - Terminals or tapping points specially adapted for resistorsArrangements of terminals or tapping points on resistors

Abstract

The invention relates to a current measuring device for measuring an electrical current (I). The current measuring device firstly comprises a current measuring resistor (1) comprising: two connection parts (2, 3) made of a conductor material; and a resistor element (4) made of a resistive material. The current measuring device further comprise a printed circuit board (7) which is electrically connected to the two connection parts (2, 3) of the current measuring resistor (1) at at least two connecting points. According to the invention, the connection parts (2, 3) of the current measuring resistor (1) are each connected to the printed circuit board (7) at the connecting points by an integral press-fit. The invention also relates to a corresponding production method.

IPC Classes  ?

• G01R 1/20 - Modifications of basic electric elements for use in electric measuring instrumentsStructural combinations of such elements with such instruments

Abstract

The invention relates to a current-measuring device for measuring an electrical current (I), comprising a low-resistance current-measuring resistor (1) and a circuit board (7) which is connected to the two connector parts (2, 4) of the current-measuring resistor (1) at at least two connection points (17-20). According to the invention, the connection points (17-20) form both an electrical connection and a mechanical connection between the circuit board (7) and the connector parts (2, 4) of the current-measuring resistor (1).

IPC Classes  ?

• G01R 1/20 - Modifications of basic electric elements for use in electric measuring instrumentsStructural combinations of such elements with such instruments

Abstract

The invention relates to a current measuring resistor (1) for measuring an electric current, said resistor comprising: a first connection part (2) for conducting the current to be measured into the current measuring resistor (1); a second connection part (3) for conducting the current to be measured out of the current measuring resistor (1); and a resistance element (4) made of a resistive material, the resistance element (4) being located between the two connection parts (2, 3) in the current flow direction so that the electric current to be measured flows through the resistance element (4) during a current measurement. The invention provides a flexible deformation element (4) for making it possible to deform the current measuring resistor (1) in a non-destructive and reversible manner, in particular for compensating for a change in distance or a change in alignment between the connection parts (2, 3) of the current measuring resistor (1), the deformation element (4) being located between the two connection parts (2, 3) in the current flow direction so that the electric current to be measured flows through the deformation element (4) during the current measurement.

IPC Classes  ?

• G01R 1/20 - Modifications of basic electric elements for use in electric measuring instrumentsStructural combinations of such elements with such instruments

Abstract

The invention relates to a resistor (1), in particular a low-ohm current-sensing resistor (1), having two connection parts (2, 3) made of a conductor material, and a resistor element (6) made of a resistive material. The resistor (1) further has two pairs of voltage measuring contacts (7.1, 7.2, 8.1, 8.2) for measuring the voltage dropping across the resistor element (6) in two separate voltage measuring channels. According to the invention, the two pairs of voltage measuring contacts (7.1, 7.2, 8.1, 8.2) are arranged in a cross such that a connection line (10) between the two voltage measuring contacts (7.1, 7.2) of the first pair of voltage measuring contacts (7.1, 7.2, 8.1, 8.2) intersects a connection line (11) between the two voltage measuring contacts (8.1, 8.2) of the second pair of voltage measuring contacts (7.1, 7.2, 8.1, 8.2) when the resistor (1) is viewed from above.

IPC Classes  ?

• G01R 1/20 - Modifications of basic electric elements for use in electric measuring instrumentsStructural combinations of such elements with such instruments
• G01R 15/14 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
• G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof

Abstract

The invention relates to a current-sensing resistor (1) for measuring a current (I), having two connection parts (2, 3) for conducting the current (I) being measured in and out, a resistor element (6) made of a resistive material, a first voltage measuring contact (9) on the first connection part (2) for measuring voltage at the first connection part (2), a second voltage measuring contact (11) on the second connection part (3) for measuring voltage at the second connection part (3), and an incision (13) in the second connection part (3), the incision (13) surrounding the second voltage measuring contact (11) and preventing a current flow across the incision (13). According to the invention, a third voltage measuring contact (12) is arranged on the second connection part (3) in order to measure the voltage at the second connection part (3), and the third voltage measuring contact (12) is arranged on the second connection part (3) offset transversely to the second voltage measuring contact (11) on the second connection part (3) with respect to the main current flow direction.

IPC Classes  ?

• G01R 1/20 - Modifications of basic electric elements for use in electric measuring instrumentsStructural combinations of such elements with such instruments

Abstract

The invention relates to a sensor (S), in particular for a vehicle electrical system of an electrically driven vehicle, in particular in an electric car. The sensor according to the invention first of all comprises a measuring device (ME) for measuring the current and/or voltage in the electrical system, in particular using a low-impedance current measuring resistor for measuring the current using four-wire technology. The sensor (S) according to the invention also comprises an integrated insulation monitoring device (ME, IQ, Rk, S3) for monitoring electrical insulation of the high side and/or low side of the electrical system. The sensor (S) according to the invention is distinguished by the fact that the insulation monitoring device (ME, IQ, Rk, S3) operates actively and injects measurement pulses into the electrical system for the purpose of monitoring the insulation.

IPC Classes  ?

• G01R 31/52 - Testing for short-circuits, leakage current or ground faults
• B60L 3/00 - Electric devices on electrically-propelled vehicles for safety purposesMonitoring operating variables, e.g. speed, deceleration or energy consumption

Abstract

The invention relates to a current measuring apparatus for redundantly measuring an electric current (I), having a low-impedance current measuring resistor (1) for measuring the current using a four-wire technique and having a magnetic field sensor (14). The invention provides for the electric current (I) which is to be measured to be divided in the current measuring apparatus into a main current path with a main current (I1) and a branch current path with a branch current (I2), wherein the main current path and the branch current path together form a parallel circuit. The low-impedance current measuring resistor (1) is arranged in the main current path and has the main current (I1) flowing through it, whereas the magnetic field sensor (14) is arranged in the branch current path and measures the branch current (I2).

IPC Classes  ?

• G01R 1/20 - Modifications of basic electric elements for use in electric measuring instrumentsStructural combinations of such elements with such instruments
• G01R 15/20 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices

Abstract

The invention relates to a current-sensing resistor (1) for measuring an electrical current (I), comprising two connection parts (2, 3), a resistor element (4), a pair of voltage-sensing contacts (8-19) for measuring a voltage drop across the resistor element (4), and comprising at least one incision (20) in at least one of the connection parts (2, 3), the incision (20) surrounding one of the voltage-sensing contacts (8-19) and preventing a flow of current transversely across the incision (20). In accordance with the invention, a plurality of pairs of voltage-sensing contacts (8-19) are arranged successively in the current flow direction.

IPC Classes  ?

• G01R 1/20 - Modifications of basic electric elements for use in electric measuring instrumentsStructural combinations of such elements with such instruments
• G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof

Abstract

LOADLOADLOADLOADLOADLOAD). According to the invention, the electric meter (1) can be selectively operated in one of multiple operating modes, wherein the operating modes differ with regard to line losses in the connection cable (7). The invention additionally relates to a corresponding operating method.

IPC Classes  ?

• G01R 22/10 - Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods using digital techniques
• H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
• G01R 35/04 - Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current

Abstract

LOADLOADLOAD)LOAD)), wherein the delivery point (9, 10) is preferably located in a plug (8) of the charging cable (7). Furthermore, the electric meter (1) according to the invention contains a voltage measuring device (12) for measuring a voltage. According to the invention, the voltage measuring device (12) measures the voltage directly at the delivery point (9, 10) of the charging cable (7) in order to ascertain line losses in the charging cable (7), in particular in order to take into consideration the line losses when calculating the consumption.

IPC Classes  ?

• G01R 22/06 - Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
• G01R 31/40 - Testing power supplies
• G01R 22/10 - Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods using digital techniques
• G01R 21/133 - Arrangements for measuring electric power or power factor by using digital technique

Abstract

The invention relates to a current measuring resistor (1) for measuring an electrical current, in particular in the kA range, in a high-voltage network. The current measuring resistor (1) according to the invention comprises two connection parts (2, 3) for conducting the electrical current in and out and a resistance element (4) made of a low-impedance resistive material. The resistance element (4) is arranged between the two connection parts (2, 3) in the direction of current flow and is joined to the two connection parts (2, 3), such that the electrical current to be measured flows through the resistance element (4) during operation and produces a voltage drop across the resistance element (4). According to the invention, the connection parts (2, 3) and the resistance element (4) each have a substantially round cross section, in particular a substantially circular cross section, in a section plane perpendicular to the direction of current flow of the electrical current.

IPC Classes  ?

• G01R 1/20 - Modifications of basic electric elements for use in electric measuring instrumentsStructural combinations of such elements with such instruments

Abstract

The invention relates to a production method for an electrical resistance element (for example a shunt) with the following steps: - providing a resistance alloy in powder form, and - forming the resistance element from the powdered resistance material. The invention also relates to a correspondingly produced resistance element.

IPC Classes  ?

• H01C 17/065 - Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base by thick-film techniques, e.g. serigraphy
• H01C 7/22 - Elongated resistive element being bent or curved, e.g. sinusoidal, helical
• H01C 7/06 - Non-adjustable resistors formed as one or more layers or coatingsNon-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material including means to minimise changes in resistance with changes in temperature
• H01C 17/28 - Apparatus or processes specially adapted for manufacturing resistors adapted for applying terminals

Abstract

The invention relates to a thermoelectric module (7) for thermoelectrically generating power, in particular in the exhaust line of an internal combustion engine, comprising a base (8) and a plurality of thermoelements, each of which has two limbs (13), wherein the thermoelements are electrically connected in series and are mounted on the base (8). According to the invention, the base (8) consists of a metal material, which facilitates an inexpensive production, allows substantially larger formats, and makes the thermoelectric module (7) substantially more mechanically insensitive than in a conventional base made of ceramic. The invention additionally relates to a corresponding production method.

IPC Classes  ?

• H01L 35/32 - SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR - Details thereof operating with Peltier or Seebeck effect only characterised by the structure or configuration of the cell or thermocouple forming the device
• F01N 5/02 - Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat
• H01L 35/30 - SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR - Details thereof operating with Peltier or Seebeck effect only characterised by the heat-exchanging means at the junction
• H01L 35/34 - Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof

Abstract

The invention relates to a coaxial resistor (1), comprising a forward conductor (6) and a return conductor (7) for conducting the current to be measured in opposite directions and comprising a resistance element made of a resistive material. The resistance element is arranged in the forward conductor (6) or in the return conductor (7) such that the current flows through the resistance element. According to the invention, the cross-section of at least the inner return conductor (7) at a right angle to the direction of current flow is angular, which simplifies the production of the coaxial resistor (1). Errors caused by thermoelectric voltages, the temperature coefficient of the resistance element and inhomogeneous current distribution are eliminated by the design.

IPC Classes  ?

• G01R 1/20 - Modifications of basic electric elements for use in electric measuring instrumentsStructural combinations of such elements with such instruments
• H01C 3/02 - Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven, or formed as grids arranged or constructed for reducing self-induction, capacitance, or variation with frequency
• G01R 15/00 - Details of measuring arrangements of the types provided for in groups , or
• G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof

Abstract

The invention relates to a current measuring device for measuring an electric current (Ip, In) in accordance with the four-wire technique with a low-resistance current-measuring resistor (RCu1, RCu, R0). The invention additionally provides a balancing resistor (Rp) consisting of a fixed resistor, which is connected in parallel to the resistance element (R0) of the low-resistance current measuring resistor (RCu1, RCu, R0) in order to at least partially compensate for the temperature dependence of the resistance value, such that the current measuring device comprises two current paths, namely a main current path through the resistance element (R0) on the one hand, and a secondary current path through the balancing resistor (Rp) on the other.

IPC Classes  ?

• G01R 1/20 - Modifications of basic electric elements for use in electric measuring instrumentsStructural combinations of such elements with such instruments
• G01R 19/32 - Compensating for temperature change

Abstract

The present invention relates to a layer structure comprising: a substrate having a glass or ceramic surface, a layer A, which at least partly covers the glass or ceramic surface of the substrate, wherein layer A comprises a glass containing at least two mutually different elements as oxides, and a layer B, which at least partly covers layer A. Layer B has the following constituents: a resistive alloy having a temperature coefficient of electrical resistance of less than 150 ppm/K, and optionally a glass containing at least two mutually different elements as oxides. Layer B contains not more than 20 percent by weight of glass, relative to the total weight of layer B.

IPC Classes  ?

• H01C 7/06 - Non-adjustable resistors formed as one or more layers or coatingsNon-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material including means to minimise changes in resistance with changes in temperature
• H01C 17/065 - Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base by thick-film techniques, e.g. serigraphy
• H01C 7/00 - Non-adjustable resistors formed as one or more layers or coatingsNon-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material

Abstract

The invention relates to a measuring arrangement (12) for measuring an electric current (I) in the high-current range, in particular in the current range of more than 1 kA, having a low-resistance current measuring resistor (1) for measuring current in accordance with four conductor technology and a physically integrated measuring circuit (17) for measuring the voltage which is dropped across the current measuring resistor (1). The invention provides several pairs of voltage taps for measuring the electrical voltage which is dropped across the resistance element (4), wherein the pairs of voltage taps are connected to the measuring circuit (17). The invention further provides two busbar connections (13, 14) for connection to two busbars (15, 16). Corrections of the temperature coefficient, the thermal voltage and the offset and also a high sampling rate and resolution allow high-resolution measurement of a DC current in a high AC current.

IPC Classes  ?

• G01R 1/20 - Modifications of basic electric elements for use in electric measuring instrumentsStructural combinations of such elements with such instruments

Abstract

The invention relates to a resistor (1), in particular a low-resistance current-sensing resistor (1), comprising two connection parts (2, 3) made of a conductive material and a resistor element (4) introduced between the connection parts (2, 3) and made of a resistor material, wherein the resistor material has a determined thermoelectric power, which generates a determined thermoelectric voltage with a temperature difference between the resistor element (4) and the connection parts (2, 3). The invention also provides a compensation element (12), which generates a thermoelectric voltage during operation, which at least partially compensates for the thermoelectric voltage generated by the resistor element (4). The invention further relates to a corresponding production method.

IPC Classes  ?

• H01C 7/06 - Non-adjustable resistors formed as one or more layers or coatingsNon-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material including means to minimise changes in resistance with changes in temperature
• H01C 17/232 - Adjusting the temperature coefficientAdjusting value of resistance by adjusting temperature coefficient
• H01C 17/24 - Apparatus or processes specially adapted for manufacturing resistors adapted for trimming by removing or adding resistive material
• G01R 1/20 - Modifications of basic electric elements for use in electric measuring instrumentsStructural combinations of such elements with such instruments
• G01R 19/32 - Compensating for temperature change
• H01C 17/242 - Apparatus or processes specially adapted for manufacturing resistors adapted for trimming by removing or adding resistive material by laser

Goods & Services

Electric measuring devices, namely, current measurement devices, voltage measurement devices, resistance measurement devices, fuel level measurement devices, frequency measurement devices, laser measurement devices, measuring apparatus, namely, for electrical current measuring; measuring apparatus for measuring or testing the characteristic of resistance materials or other resistor materials, computer programs for use in relation to current measuring, temperature measuring, resistance measuring, voltage measuring as well as electric equipment and current voltage and resistance sources; computer hardware

Abstract

A production method for an electrical resistor (1), in particular a low-resistance shunt, comprises the steps of providing a plate-shaped initial part (9) for the resistor (1), wherein the initial part (9) has a certain thickness and, in accordance with the thickness, a specific value of an electrical component characteristic (R), in particular the resistance thereof; rolling the initial part (9) with a specific degree of rolling (AG), wherein the thickness of the initial part (9) is reduced in accordance with the degree of rolling (AG) and the value of the component characteristic (R) is modified accordingly; measuring the thickness-dependent electrical component characteristic (R) at the rolled initial part (9); and adapting the degree of rolling (AG) depending on the measured electrical component characteristic (R), in particular within the scope of a closed-loop control with the electronic component characteristic (R) as controlled variable and the degree of rolling (AG) as manipulated variable. Furthermore, the invention comprises a resistor produced accordingly and an according production installation, and an according production installation and resistors produced thus.

IPC Classes  ?

• H01C 1/144 - Terminals or tapping points specially adapted for resistorsArrangements of terminals or tapping points on resistors the terminals or tapping points being welded or soldered
• H01C 17/00 - Apparatus or processes specially adapted for manufacturing resistors
• H01C 17/22 - Apparatus or processes specially adapted for manufacturing resistors adapted for trimming
• H01C 17/28 - Apparatus or processes specially adapted for manufacturing resistors adapted for applying terminals

Abstract

The invention relates to a connecting element (4, 5), in particular a screw (4) or a nut (5), for mechanically connecting components (1, 2), the connecting element (4, 5) consisting at least partially of a material with a mechanical tensile strength of at least 350 MPa. According to the invention, the material of the connecting element (4, 4', 5, 8) has an electrical conductivity of at least 50% IACS. The invention also relates to a corresponding production method for a connecting element (4, 5) of this type.

IPC Classes  ?

• C22F 1/08 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
• C22C 9/00 - Alloys based on copper

Abstract

The invention relates to a coupling (6) for electrically and mechanically connecting components in medium-voltage engineering or in high-voltage engineering, in particular for voltages of 1 kV to 52 kV, comprising a first connection piece (8) for mechanically and electrically connecting a component in medium-voltage engineering or in high-voltage engineering, in particular for connection to a complementary connection piece of a bushing of a switchgear cabinet, and comprising a second connection piece (7) for mechanically and electrically connecting another component in medium-voltage engineering or in high-voltage engineering, in particular for connection to a complementary connection piece of an electric cable, wherein the two connection pieces (7, 8) of the coupling (6) belong to complementary connection types which fit together mechanically, and also comprising a low-resistance current measurement resistor (10, 11, 12) which is physically integrated into the coupling (6) and is electrically connected between the first connection piece (8) and the second connection piece (7) in order to measure a current flow between the first connection piece (8) and the second connection piece (7).

IPC Classes  ?

• G01R 15/14 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
• H01R 13/66 - Structural association with built-in electrical component
• G01R 1/20 - Modifications of basic electric elements for use in electric measuring instrumentsStructural combinations of such elements with such instruments

Goods & Services

Common metals and their alloys, including the aforesaid goods in the form of wires, flex, bands, pipes, netting, sheets and plates, foils, rods, slabs and blocks; alloys containing or consisting of copper, nickel, manganese and aluminium; metals in powder form; metallic pastes; soldering wire. Welding electrodes; thermoelectric generators. Measuring apparatus, in particular for measuring current and parts thereof; electrotechnical components, including resistors and networks of resistors, including the aforesaid goods in the form of high-resistivity material on a carrier; electrotechnical printed cards; electric thermocouples and thermo-equalisers, electric wires and electric cables; measuring apparatus for measuring or testing the properties of resistance wire and other high-resistivity material; fuses.

Abstract

The invention relates to a composite material strip for producing an electric component, in particular a resistor, in particular a low-resistance current-measuring resistor, comprising a first material strip (4) made of a copper-containing material, in particular a copper-containing conductor material, for later forming a first connection part of the electric component and comprising a second material strip (3) for later forming a second connection part of the electric component. The first material strip (4) and the second material strip (3) are electrically and mechanically connected together along a longitudinal seam, wherein the second material strip (3) consists of an aluminum-containing material, in particular an aluminum-containing conductor material. The invention further relates to a corresponding production method and to a corresponding component.

IPC Classes  ?

• H01C 3/00 - Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven, or formed as grids
• H01C 17/07 - Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base by resistor foil bonding, e.g. cladding
• H01C 17/28 - Apparatus or processes specially adapted for manufacturing resistors adapted for applying terminals
• H01C 1/144 - Terminals or tapping points specially adapted for resistorsArrangements of terminals or tapping points on resistors the terminals or tapping points being welded or soldered

Goods & Services

Common metals and alloys of common metal, including the aforesaid goods in the form of wires, flex, bands, pipes, netting, sheets and plates, foils, rods, slabs and blocks; alloys containing or consisting of copper, nickel, manganese and/or aluminium; soldering wire. Welding electrodes. Measuring apparatus, in particular for measuring current and parts therefor; electrotechnical components, including resistances and resistance networks, including in the form of resistance material applied to a carrier or of welded composite materials; electrotechnical printed cards; electric resistances of welded composite materials; electric thermocouples and thermo-equalisers, electric wires and electric cables; measuring apparatus for measuring or testing the properties of resistance wire and other high-resistivity material; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, and parts therefor; electrical fuses.

Abstract

The invention relates to a measuring resistor (1), in particular a low-resistance current-measuring resistor, comprising two terminal parts (2, 3) that consist of a conductor material for introducing and discharging a current, and a resistor element (4) that consists of a resistor material, wherein the resistor element (4) is arranged between the two terminal parts (2, 3) in the direction of the current and current flows through the resistor element (4). According to one variant of the invention, the measuring resistor (1) has several pairs of voltage-measuring contacts (7) for measuring the voltage falling across the resistor element (4) in order to be able to compensate metrologically for inhomogeneities in the current density. In contrast, according to another variant of the invention, one pair of voltage-measuring contacts (7) is arranged at a location at which the measuring resistor (1) exhibits neither a capacitive behavior nor an inductive behavior, such that the current flowing through the measuring resistor (1) and the voltage across the voltage-measuring contacts (7) are substantially in phase.

IPC Classes  ?

• G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
• G01R 1/20 - Modifications of basic electric elements for use in electric measuring instrumentsStructural combinations of such elements with such instruments
• G01R 35/00 - Testing or calibrating of apparatus covered by the other groups of this subclass

Abstract

The invention relates to a U-shaped resistor (1), in particular a low-resistance current-measuring resistor (1), comprising a first connection part (2) made of a conductive material having a first current contact surface for conducting an electrical current (I) into the resistor (1), and comprising a second connection part (3) made of a conductive material having a second current contact surface for conducting the current (I) out of the resistor (1), as well as comprising a resistor element (4) made of a resistor material, wherein the resistor element (4) is arranged in the direction of current flow between the first connection part (2) and the second connection part (3), such that the electrical current (I) flows through the electrical resistor (1). The current (I) perpendicularly enters or leaves the connections parts (2, 3) via their outer surfaces. In addition, the voltage taps are attached to the inner side of the U-shaped resistor (1), and contact the connection parts (2, 3) close to the transition to the resistor element (4).

IPC Classes  ?

• H01C 1/14 - Terminals or tapping points specially adapted for resistorsArrangements of terminals or tapping points on resistors
• G01R 1/20 - Modifications of basic electric elements for use in electric measuring instrumentsStructural combinations of such elements with such instruments

Goods & Services

Common metals and their alloys in the form of wires, bands, pipes, sheets and plates, foils, rods, slabs and blocks; alloys containing or consisting of copper, nickel, manganese and aluminium; metals in powder form; metallic solder pastes; metallic thick film pastes; soldering wire [ Welding electrodes; thermoelectric generators ] [ Measuring apparatus, in particular for measuring electric current and characteristics thereof; electrotechnical components, namely, resistors and networks of resistors, including the aforesaid goods in the form of high-resistivity material on a carrier; electrotechnical printed electronic circuit cards; electric thermocouples and thermo-equalisers, electric wires and electric cables; measuring apparatus for measuring or testing the properties of resistance wire and other high-resistivity material; fuses ]

Goods & Services

Common metals and alloys of common metal, including the aforesaid goods in the form of wires, flex, bands, pipes, netting, sheets and plates, foils, rods, slabs and blocks; Alloys containing or consisting of copper, nickel, manganese and/or aluminium; Soldering wire. Welding electrodes. Measuring apparatus, in particular for measuring current and parts therefor; Electrotechnical components, including resistances and resistance networks, including in the form of resistance material applied to a carrier or of welded composite materials; Electrotechnical printed cards; Electric resistances of welded composite materials; Electric thermocouples and thermo-equalisers, Electric wires and electric cables; Measuring apparatus for measuring or testing the properties of resistance wire and other high-resistivity material; Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, and parts therefor; Electrical fuses.

Goods & Services

Common metals and their alloys, including the aforesaid goods in the form of wires, flex, bands, pipes, netting, sheets and plates, foils, rods, slabs and blocks; Alloys containing or consisting of copper, nickel, manganese and aluminium; Metals in powder form; Metallic pastes; Soldering wire. Welding electrodes. Measuring apparatus, in particular for measuring current and parts thereof; Electrotechnical components, including resistors and networks of resistors, including the aforesaid goods in the form of high-resistivity material on a carrier; Electrotechnical printed cards; Electric thermocouples and thermo-equalisers, Electric wires and electric cables; Measuring apparatus for measuring or testing the properties of resistance wire and other high-resistivity material; Thermogenerators; Fuses.

Abstract

The invention relates to a resistor (1), in particular a low-resistance current measuring resistor (1), comprising two plate-shaped connection parts (2, 3) consisting of a conductor material for conducting in and conducting out an electric current (I) and comprising a plate-shaped and flat resistor element (4) consisting of a resistive material, wherein the two connection parts (2, 3) are arranged on opposite sides of the resistor element (4) and are electrically and mechanically connected to the resistor element (4) so that the electric current (I) flows through the resistor element (4). It is proposed that the resistor (1) has outer dimensions (l, b, h) of less than 5mm. It is furthermore proposed that the connection parts (2, 3) each have a separating slot, which starts from the free end of the connection parts (2, 3) and extends in the direction of current flow and reaches as far as the resistor element (4), apart from a certain spacing, wherein the separating slot in the respective connection part in each case separates an electrical connection from a voltage measuring connection. An additional recess is located in the resistor element on the side of the voltage connections.

IPC Classes  ?

• H01C 1/14 - Terminals or tapping points specially adapted for resistorsArrangements of terminals or tapping points on resistors
• H01C 1/014 - MountingSupporting the resistor being suspended between, and being supported by, two supporting sections
• H01C 7/06 - Non-adjustable resistors formed as one or more layers or coatingsNon-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material including means to minimise changes in resistance with changes in temperature
• H01C 1/144 - Terminals or tapping points specially adapted for resistorsArrangements of terminals or tapping points on resistors the terminals or tapping points being welded or soldered
• G01R 1/20 - Modifications of basic electric elements for use in electric measuring instrumentsStructural combinations of such elements with such instruments

Goods & Services

Common metals and alloys of common metal, including the aforesaid goods in the form of wires, flex, bands, pipes, netting, sheets and plates, foils, rods, slabs and blocks; soldering wire. Welding electrodes. Measuring apparatus and parts therefor; electrotechnical components, including resistors and networks of resistors, including the aforesaid goods in the form of high-resistivity material on a carrier; electrotechnical printed cards; electric thermocouples and thermo-equalizers, electric wires and electric cables.

Goods & Services

Common metals and alloys of common metal, including the aforesaid goods in the form of wires, flex, bands, pipes, netting, sheets and plates, foils, rods, slabs and blocks; soldering wire. Measuring apparatus and parts therefor; electrotechnical components, including resistors and networks of resistors, including the aforesaid goods in the form of high-resistivity material on a carrier; electrotechnical printed cards; electric thermocouples and thermo-equalisers, electric wires and electric cables.

Goods & Services

Common metals and alloys of common metal, including the aforesaid goods in the form of wires, flex, bands, pipes, netting, sheets and plates, foils, rods, slabs and blocks; soldering wire [ Measuring apparatus, namely, current measurement apparatus, voltage measurement apparatus, temperature measurement apparatus, resistance measurement apparatus, measuring apparatus for measuring or testing the characteristics of resistance wires or other resistor materials, and parts therefor; electrotechnical components, namely, electric resistors and networks of electric resistors, including the aforesaid goods in the form of high-resistivity material on a carrier electrotechnical printed cards, namely, electrotechnical printed integrated circuit cards; electric thermocouples, electric wires and electric cables ]

Goods & Services

Common metals and alloys of common metal, including the aforesaid goods in the form of wires, flex, bands, pipes, netting, sheets and plates, foils, rods, slabs and blocks; soldering wire [ Welding electrodes ] [ Measuring apparatus, namely, current measurement apparatus, voltage measurement apparatus, temperature measurement apparatus, resistance measurement apparatus, measuring apparatus for measuring or testing the characteristics of resistance wires or other resistor materials, and parts therefor; electrotechnical components, namely, electric resistors and networks of electric resistors, including the aforesaid goods in the form of high-resistivity material on a carrier; electrotechnical printed cards, namely, electrotechnical printed integrated circuit cards; electric thermocouples, electric wires and electric cables ]

Abstract

The invention relates to a resistor alloy (3) for an electrical resistor, in particular for a low-resistance current-measuring resistor, having a copper constituent, a manganese constituent and a nickel constituent. According to the invention, the manganese constituent has a mass fraction of 23% to 28%, while the nickel constituent has a mass fraction of 9% to 13%. The mass fractions of the alloy constituents are adjusted to one another in such a manner that, compared to copper, the resistor alloy (3) has a low thermal electromotive force at 20°C of less than ±1 μν/Κ. The invention furthermore comprises a component made from such a resistor alloy and a production method therefor.

IPC Classes  ?

• C22F 1/08 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
• C22C 9/05 - Alloys based on copper with manganese as the next major constituent

Abstract

The invention relates to a punched part for producing an electrical resistor, in particular a current measuring resistor, comprising a resistor element (9) consisting of a low-resistance resistive material (for example Manganin®) and two electrical connection parts (10, 11) consisting of a conductor material (for example copper), wherein the resistor element (9) is arranged between the two electrical connection parts (10, 11) in the direction of current flow in such a way that the electrical current flows through the resistor element (9). In accordance with the invention, the punched part additionally has a landing area (14) for providing an integrated circuit (16) on the landing area (14) of the punched part. Furthermore, the invention comprises a current sensor comprising such a punched part and a corresponding production method.

IPC Classes  ?

• H01C 1/14 - Terminals or tapping points specially adapted for resistorsArrangements of terminals or tapping points on resistors
• H01C 7/00 - Non-adjustable resistors formed as one or more layers or coatingsNon-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
• H01C 17/00 - Apparatus or processes specially adapted for manufacturing resistors
• H01C 17/28 - Apparatus or processes specially adapted for manufacturing resistors adapted for applying terminals
• G01R 1/20 - Modifications of basic electric elements for use in electric measuring instrumentsStructural combinations of such elements with such instruments
• H01C 7/06 - Non-adjustable resistors formed as one or more layers or coatingsNon-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material including means to minimise changes in resistance with changes in temperature
• H01C 1/144 - Terminals or tapping points specially adapted for resistorsArrangements of terminals or tapping points on resistors the terminals or tapping points being welded or soldered
• G01R 27/08 - Measuring resistance by measuring both voltage and current

Abstract

The invention relates to a measuring resistor (1), in particular a low-resistance current-measuring resistor, comprising two terminal parts (2, 3) that consist of a conductor material for introducing and discharging a current, and a resistor element (4) that consists of a resistor material, wherein the resistor element (4) is arranged between the two terminal parts (2, 3) in the direction of the current and current flows through the resistor element (4). According to one variant of the invention, the measuring resistor (1) has several pairs of voltage-measuring contacts (7) for measuring the voltage falling across the resistor element (4) in order to be able to compensate metrologically for inhomogeneities in the current density. In contrast, according to another variant of the invention, one pair of voltage-measuring contacts (7) is arranged at a location at which the measuring resistor (1) exhibits neither a capacitive behaviour nor an inductive behaviour, such that the current flowing through the measuring resistor (1) and the voltage across the voltage-measuring contacts (7) are substantially in phase.

IPC Classes  ?

• G01R 1/20 - Modifications of basic electric elements for use in electric measuring instrumentsStructural combinations of such elements with such instruments

Abstract

The invention relates to a measuring system for measuring electrical measured variables (I1, I2, I3, U12, U23, U13) in an electrical installation, in particular in a medium-voltage installation or in a high-voltage installation, comprising several sensors (1-3, 8-10) which each measure at least one electrical measured variable (I1, I2, I3, U12, U23, U13) and output a measurement signal corresponding to the measured variable (I1, I2, I3, U12, U23, U13), and comprising a central evaluating unit (7, 14), which receives the measurement signals from the sensors (1-3, 8-10).

IPC Classes  ?

• G01R 15/14 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
• G01R 15/20 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices
• G01R 19/25 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques

Goods & Services

Common metals and alloys of common metal, including the aforesaid goods in the form of wires, flex, bands, pipes, netting, sheets and plates, foils, rods, slabs and blocks; Soldering wire. Welding electrodes. Measuring apparatus and parts therefor; Electrotechnical components, including resistors and networks of resistors, including the aforesaid goods in the form of high-resistivity material on a carrier; Electrotechnical printed cards; Electric thermocouples and thermo-equalisers, Electric wires and electric cables.

Goods & Services

Common metals and alloys of common metal, including the aforesaid goods in the form of wires, flex, bands, pipes, netting, sheets and plates, foils, rods, slabs and blocks; Soldering wire. Welding electrodes. Measuring apparatus and parts therefor; Electrotechnical components, including resistors and networks of resistors, including the aforesaid goods in the form of high-resistivity material on a carrier; Electrotechnical printed cards; Electric thermocouples and thermo-equalisers, Electric wires and electric cables.

Goods & Services

Common metals and alloys of common metal, including the aforesaid goods in the form of wires, flex, bands, pipes, netting, sheets and plates, foils, rods, slabs and blocks; soldering wire. Electrodes for welding machines. Measuring apparatus and parts therefor; electrotechnical components, including resistors and networks of resistors, including the aforesaid goods in the form of high-resistivity material on a carrier; electrotechnical printed cards; electric thermocouples and thermo-equalisers, electric wires and electric cables.

Abstract

The invention relates to a resistor, in particular a low-resistance current-measuring resistor, comprising a first connection part (1) that consists of a conductor material for introducing an electrical current (I), a second connection part (2) that consists of a conductor material for discharging said electrical current (I), and a resistor element (3) that consists of a resistor material and is arranged between the two connection parts (1, 2) in the direction of the current, also comprising a resistor coating (7) that consists of a metallic material for the purpose of achieving protection from corrosion, and/or improving solderability. According to the invention, the metallic coating (7) is applied directly to the entire free surface of the resistor element (3) without any insulation layer.

IPC Classes  ?

• H01C 1/148 - Terminals or tapping points specially adapted for resistorsArrangements of terminals or tapping points on resistors the terminals embracing or surrounding the resistive element
• H01C 7/13 - Non-adjustable resistors formed as one or more layers or coatingsNon-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material current-responsive
• G01R 1/20 - Modifications of basic electric elements for use in electric measuring instrumentsStructural combinations of such elements with such instruments

Goods & Services

Alloys of common metals not including aluminium for manufacturing electric resistors, in particular in the form of wires, flex conduit, bands, pipes, netting, sheets and plates, foils, rods, slabs and blocks; soldering wire [ Electrodes for welding machines ] [ Measuring apparatus, namely, current measurement apparatus, voltage measurement apparatus, temperature measurement apparatus, resistance measurement apparatus, measuring apparatus for measuring or testing the characteristics of resistance wires or other resistor materials, and parts therefor; electrotechnical components, namely, resistors and networks of resistors and resistors in the form of high-resistivity material on a chip carrier; electrotechnical printed integrated circuit cards; electric thermocouples, electric wires and electric cables ]

Abstract

The invention relates to a soldering method and a corresponding soldering device for soldering a printed circuit board (2) to an electric component (8) using a solder (6, 7), said solder (6, 7) being melted by heat and then connecting the component (8) to the printed circuit board (2). The heat required to melt the solder (6, 7) is generated by electrically energizing the component (8), thereby generating an electric heat loss in the component (8), said heat loss being transferred from the component (8) to the solder (6, 7) and melting the solder (6, 7).

IPC Classes  ?

• H05K 3/34 - Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
• H05K 1/02 - Printed circuits Details

Goods & Services

Alloys of common metals (not including aluminium), for manufacturing electric resistors, in particular in the form of wires, flex, bands, pipes, netting, sheets and plates, foils, rods, slabs and blocks; Soldering wire. Measuring apparatus and parts therefor; Electrotechnical components, including resistors and networks of resistors, including the aforesaid goods in the form of high-resistivity material on a carrier; Electrotechnical printed cards; Electric thermocouples and thermo-equalisers, Electric wires and electric cables; Welding electrode.

Abstract

The invention relates to a differential current sensor for measuring the differential current (ΔΙ) between an electric current (IH) flowing through a feed conductor (H) and an electric current (IR) flowing through a return conductor (R), said sensor comprising: two low-resistance current measuring resistors (RH, RL) for measuring the currents (IH, IR) in the feed conductor (H) and the return conductor (R); two measuring devices (MEH, MEL), each of which has a transducer for measuring the current drops (UH, UL) across the two current measuring resistors (RH, RL); and two voltage references (UREFH, UREFL) for calibrating the measuring devices (MEH, MEL). According to the invention, the two transducers measure in succession both the voltage drop (UH) across their respective current measuring resistor (RH) and the associated voltage reference (UREFH, UREFL).

IPC Classes  ?

• G01R 1/20 - Modifications of basic electric elements for use in electric measuring instrumentsStructural combinations of such elements with such instruments
• G01R 19/25 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques

Abstract

The invention relates to a current-sensing resistor (1) for measuring an electric current, in particular also for measuring a battery current in a vehicle power supply, having a plate-shaped first connecting part (3) for introducing the electrical current to be measured, wherein the plate-shaped first connecting part (3) consists of an electrically conductive conductor material; a plate-shaped second connecting part (2) for conducting away the electrical current to be measured, wherein the plate-shaped second connecting part (2) consists of an electrically conductive conductor material; and a plate-shaped resistance element (4), which is connected in the current path between the two connecting parts and through which the electrical current to be measured flows, wherein the resistance element (4) consists of a comparatively high-impedance resistance material. According to the invention an incision (10, 11) is arranged in the plate-shaped first connecting part (3) and/or in the plate-shaped second connecting part (2) in order to reduce the temperature dependency of the measurement and to eliminate the influence of the plate-shaped connecting parts (usually copper or aluminium).

IPC Classes  ?

• H01C 7/00 - Non-adjustable resistors formed as one or more layers or coatingsNon-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
• G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof

Abstract

The invention relates to an electronic component (1), in particular a current sensor, having a resistance element (5) made of a resistance material, a first connection part (3) made of a conductor material for introducing an electrical current into the resistance element (5), and a second connection part (4) made of a conductor material for discharging the electrical current from the resistance element (5). According to the invention, the component (1) has a temperature-measuring device (8) for measuring a temperature difference between the resistance element (5), on the one hand, and at least one of the two connection parts (3, 4), on the other hand, in order to derive the current from the temperature difference.

IPC Classes  ?

• G01R 1/20 - Modifications of basic electric elements for use in electric measuring instrumentsStructural combinations of such elements with such instruments
• G01R 19/03 - Measuring effective values, i.e. root-mean-square values using thermoconverters
• G01R 21/02 - Arrangements for measuring electric power or power factor by thermal methods

Abstract

The invention relates to an electronic component (1), in particular a low-ohm current-sense resistor, comprising at least one plate-shaped section (2, 3) and at least one terminal (7, 8) to electrically contact the plate-shaped section (2, 3). According to the invention, the terminals (7, 8) for measuring the voltage drop created by the current flow are formed by means of stamping and thread-shaping in the plate-shaped sections (2, 3).

IPC Classes  ?

• H01C 1/14 - Terminals or tapping points specially adapted for resistorsArrangements of terminals or tapping points on resistors
• H01C 17/22 - Apparatus or processes specially adapted for manufacturing resistors adapted for trimming
• H01C 17/28 - Apparatus or processes specially adapted for manufacturing resistors adapted for applying terminals

Goods & Services

Metal alloys for further manufacturing in the form of wires, strips, rods, foils, sheets, plates and blocks for electrical thermal elements, namely, thermocouples, thermal conduits and compensating lines [ Technical consultancy in the field of the manufacturing of electrical thermal elements namely, thermocouples, thermal conduits and compensating lines ]

Goods & Services

Common metals and alloys of common metal, including the aforesaid goods in the form of wires, flexible wires, bands, pipes, netting, sheets and plates, foils, rods, slabs and blocks; welding wires Measuring apparatus, namely, for electrical current measuring; measuring apparatus for measuring or testing the characteristics of resistance wires or other resistor materials; measuring apparatus for temperature; measuring apparatus for fuel level measurement; measuring apparatus for frequency; measuring apparatus for resistance; laser measurement devices; measuring apparatus for voltage and structural replacement parts therefore; electrotechnical components, namely, electric resistors and networks of electric resistors, including the aforesaid goods in the form of high-resistivity material on a carrier; electrotechnical printed cards, namely, interface cards for data processing equipment in the form of printed circuits; electric thermocouples and thermoequalizers, electric wires and electric cables; welding electrodes [ Consultancy in the field of electrical engineering and measuring technology; quality inspection and quality certification for others ]

Goods & Services

Alloys of nickel and chromium, also containing copper, manganese, aluminium and iron in the form of ingots, plates, wires, rods, sheets, bands, tubes, chips and wire-nets. Electric resistors containing chromium.

Goods & Services

Common metals and alloys of common metal, including the aforesaid goods in the form of wires, flexible wires, bands, pipes, netting, sheets and plates, foils, rods, slabs and blocks; welding wires. Measuring apparatus and parts therefor; electrotechnical components, including resistors and networks of resistors, including the aforesaid goods in the form of high-resistivity material on a carrier; electrotechnical printed cards; electric thermocouples and thermo-equalisers, electric wires and electric cables; welding electrodes. Consultancy in the field of electrical engineering and measuring technology; quality inspection and quality certification.

Goods & Services

Measuring devices (electric); measuring apparatus; computer programs (recorded); computers.

Goods & Services

Alloys in the form of wires, flex, strips, rods, foils, sheets, plates and blocks for electric thermal elements (thermocouples), thermal conduits and compensating lines. Meters; electrotechnical components; electric thermocouples and thermo-equalisers; electric wires and electric cables; parts of the aforesaid goods. Technical consultancy in the field of thermal materials.

Abstract

The invention relates to a thermo-electric converter (12), particularly a thermo-electric generator having a support substrate (1) and at least one thermal column having many thermo-elements electrically connected in series and mounted on the support substrate (1). The invention proposes that the support substrate (1) comprises a three-dimensional surface structure having bumps and recesses as structural elements (2).

IPC Classes  ?

• H01L 35/32 - SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR - Details thereof operating with Peltier or Seebeck effect only characterised by the structure or configuration of the cell or thermocouple forming the device
• H01L 35/34 - Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof

Goods & Services

Foils made of resistance alloys (except noble metal alloys) for producing resistors. Electrotechnical resistors and resistor networks, particularly including those in the form of resistant material coated on a substrate.

Goods & Services

Common metals and alloys of common metal, including the aforesaid goods in the form of wires, flex, bands, pipes, netting, sheets and plates, foils, rods, slabs and blocks. Measuring apparatus and parts therefor; electrotechnical components, including resistors and networks of resistors, including the aforesaid goods in the form of high-resistivity material on a carrier; electrotechnical printed cards; electric thermocouples and thermo-equalisers, electric wires and electric cables; welding electrodes and welding wires. Consultancy in the field of electrical engineering and measuring technology; quality inspection and quality certification.

Goods & Services

[ Alloys consisting of or containing copper, nickel, manganese, aluminum, chromium or iron, especially in the form of foils for producing resistors ] Electrotechnical components, namely, electric resistors and resistor networks of electric resistors, also in the form of resistant material coated on a substrate

Goods & Services

Common metals and alloys of common metal, including the afore-said goods in the form of wires, flex, bands, pipes, netting, sheets and plates, foils, rods, slabs and blocks [ Measuring apparatus and structural replacement parts therefor, namely, electrical current sensors for electrical current measuring; electrotechnical components, namely, electric resistors and networks of electric resistors, also in the form of high-resistivity material on a carrier; electrotechnical printed cards, namely, printed electronic cards bearing integrated circuits; electric thermocouples and thermo-equalisers, electric wires and electric cables; welding electrodes and welding wires ] [ Consultancy in the field of electrical engineering and consultancy in the field of electrical current measuring technology; quality inspection in the field of product quality control for others and testing, analysis and evaluation of the goods of others for quality certification ]

Abstract

The invention relates to a thermopile wire (1), a winding support for such a thermopile wire, as well as a method and a machine (11) for producing a thermoelectric generator comprising a thermopile wire (1). The invention takes into account that the effective winding diameter changes from one winding layer of the thermopile wire (1) to the next when the thermopile wire (1) is wound.

IPC Classes  ?

• H01L 27/16 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including thermomagnetic components
• H01L 35/32 - SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR - Details thereof operating with Peltier or Seebeck effect only characterised by the structure or configuration of the cell or thermocouple forming the device
• H01L 35/34 - Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
• B65H 55/04 - Wound packages of filamentary material characterised by method of winding

Abstract

The invention relates to a resistor (18), particularly an SMD resistor, comprising a planar, metallic support element (19) that has a top surface and a bottom surface, a planar resistor element (21) which is made of a resistive material and is disposed on the bottom surface of the support element (19), and at least two separate metallic connecting parts (23, 23) which electrically contact the resistor element (21) and are arranged in part on the bottom surface of the support element (19). The connecting parts (22, 23) are laterally exposed on the resistor (18) and can be laterally wetted in a visible manner by a solder. The invention further relates to a corresponding production method.

IPC Classes  ?

• H01C 7/00 - Non-adjustable resistors formed as one or more layers or coatingsNon-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
• H01C 1/14 - Terminals or tapping points specially adapted for resistorsArrangements of terminals or tapping points on resistors
• H01C 17/28 - Apparatus or processes specially adapted for manufacturing resistors adapted for applying terminals

Abstract

The invention relates to a low-resistance coaxial resistor (1) for measuring an electrical current, having an inner current conductor (10) and an outer current conductor (11, 12), wherein the two current conductors (10-12) are arranged coaxially with respect to one another and are connected in series and conduct the current in opposite directions in order to compensate for magnetic fields, and having a low-resistance resistive element (13). The invention proposes that the low-resistance resistive element (13) is arranged in the outer current conductor (11, 12) and is connected in series with the outer current conductor (11, 12).

IPC Classes  ?

• H01C 3/02 - Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven, or formed as grids arranged or constructed for reducing self-induction, capacitance, or variation with frequency
• G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof

Goods & Services

Alloys consisting of or containing copper, nickel, manganese or aluminum, especially in the form of ingots, plates, sheets, bars, bands, wires, pipes, strips and wire cloth

Goods & Services

Nickel-manganese-copper alloy in the form of ingots, plates, bars, sheet metal, strips, pipes, tubes and stranded or flat wires; metal wire layers or laminates, namely, foils, bolts profiles, rods, strips with sharp edges

Goods & Services

Common metals and alloys of common metal, including the aforesaid goods in the form of wires, filaments, bands, pipes, nettings, plates, foils, rods, slabs and blocks; alloys consisting of or comprising copper, nickel, manganese and/or aluminium. Measuring apparatus, particularly for current measuring, and parts thereof; electrical components, including resistors and resistor networks, also in the form of resistance material superimposed on a carrier or made of welded composite materials; electro-technical circuit boards; electrical resistors made of welded composite materials; electric thermal elements and thermal balancing leads; electric conductors and electric wires; welding electrodes and welding wires; measuring apparatus for measuring or testing the characteristics of resistance wires or other resistor materials; apparatus and instruments for conducting, switching, transforming, storing, controlling and monitoring electricity and parts thereof. Services of an engineer; consultancy in the field or current measuring technology; quality control and quality certification.

Goods & Services

[ Common metals and alloys of common metal, namely, in the form of wires, filaments, bands, pipes, nettings, plates, foils, rods, slabs and blocks; alloys consisting of or comprising copper, nickel, manganese and/or aluminium ] [ Measuring apparatus, namely, for electrical current measuring, and replacement parts thereof; ]electrical components, namely, resistors and resistor networks, also in the form of resistance material superimposed on an electrical carrier or made of welded composite materials; [ electro-technical circuit boards; ] electrical resistors made of welded composite materials [ ; electric thermal elements and thermal balancing electrical leads; electric conductors and electric wires; welding electrodes and welding wires; measuring apparatus for measuring or testing the characteristics of resistance wires or other resistor materials; apparatus and instruments for conducting, switching, transforming, storing, controlling and monitoring electricity, namely, electronic integrated circuits; electric or electronic sensors for sensing electric currents or electric voltages; current converters; electric current switches, and replacement parts thereof ] [ Engineering and consulting services in the field of electrical current measuring technology; quality control and quality certification for others ]

Goods & Services

Alloys in the form of wires, flex, strips, rods, foils, sheets, plates and blocks for electric thermal elements (thermocouples), thermal conduits and compensating lines. Meters; electrotechnical components; electric thermocouples and thermo-equalisers; electric wires and electric cables; parts of the aforesaid goods. Technical consultancy in the field of thermal materials.

Goods & Services

Common metals and alloys of common metal, including the aforesaid goods in the form of wires, flex, bands, pipes, netting, sheets and plates, foils, rods, slabs and blocks; alloys containing or consisting of copper, nickel, manganese and aluminium. Measuring apparatus, in particular for current measurement, and parts therefor; electrotechnical components, including resistors and networks of resistors, including the aforesaid goods in the form of high-resistivity material on a carrier; electrotechnical printed cards; electronic components and circuits; electric thermocouples and thermo-equalisers, electric wires and electric cables; welding electrodes and welding wires; measuring apparatus for measuring or testing the properties of resistance wire and other high-resistivity material. Consultancy in the field of current measurement technology; quality inspection and quality certification.

Goods & Services

Common metals and their alloys, including the aforesaid goods in the form of wires, flex, bands, pipes, netting, sheets and plates, foils, rods, slabs and blocks; alloys containing or consisting of copper, nickel, manganese and aluminium. Measuring apparatus, in particular for current measurement, and parts therefor; electrotechnical components, including resistors and networks of resistors, including the aforesaid goods in the form of high-resistivity material on a carrier; electrotechnical printed cards; electric thermocouples and thermo-equalisers, electric wires and electric cables; welding electrodes and welding wires; measuring apparatus for measuring or testing the properties of resistance wire and other high-resistivity material. Consultancy in the field of current measurement technology; quality inspection and quality certification.

Goods & Services

Common metals and alloys of common metal, including the aforesaid goods in the form of wires, flex, bands, pipes, netting, sheets and plates, foils, rods, slabs and blocks. Measuring apparatus and parts therefor; electrotechnical components, including resistors and networks of resistors, including the aforesaid goods in the form of high-resistivity material on a carrier; electrotechnical printed cards; electric thermocouples and thermo-equalisers, electric wires and electric cables; welding electrodes and welding wires. Consultancy in the field of electrical engineering and measuring technology; quality inspection and quality certification.

Goods & Services

Common metals and alloys of common metal, including the aforesaid goods in the form of wires, flex, bands, pipes, netting, sheets and plates, foils, rods, slabs and blocks. Measuring apparatus and parts therefor; electrotechnical components, including resistors and networks of resistors, including the aforesaid goods in the form of high-resistivity material on a carrier; electrotechnical printed cards; electric thermocouples and thermo-equalisers, electric wires and electric cables; welding electrodes and welding wires. Consultancy in the field of electrical engineering and measuring technology; quality inspection and quality certification.

Goods & Services

alloy containing copper, nickel, manganese, aluminum, tin, zinc, chromium, iron, silicon and/or magnesium in the form of ingots, plates, sheets, rods, wires, drawn parts, pipes, chips, wire nets or foils electrotechnical resistors and resistor networks, thermo resistors and thermo-piles containing thermo resistance elements

Goods & Services

ALLOYS OF NICKEL AND CHROMIUM, INCLUDING ALLOYS ALSO CONTAINING COPPER, MANGANESE, ALUMINUM AND IRON, IN THE FORM OF INGOTS, PLATES, WIRES, RODS, SHEETS, BANDS, TUBES, CHIPS AND WIRE NETS ELECTRICAL RESISTANCE WIRE, INSULATED AND UNINSULATED, AND ELECTRICAL RESISTORS

Goods & Services

Alloys consisting of or containing copper, nickel, manganese or aluminum, especially in the form of ingots, plates, sheets, bars, bands, wires, pipes, strips and wire cloth.

Goods & Services

Nickel-manganese-copper alloy in ingots, plates, bars, wires, sheet metal, strips, pipes, metal wire layers, known as laminates, and in any other form suitable for creating electrical resistances.

Goods & Services

Alliages contenant du cuivre, du nickel et du manganèse, ou consistant en ceux-ci, spécialement sous forme de lingots, de plaques, de tôles, de barres, de rubans, de fils, de tuyaux, de petites plaques, de tissus métalliques. Résistances électriques, à l'exception des résistances pour appareils chauffés électriquement.

Goods & Services

ALLOY-NAMELY, [ NICKEL- ] MANGANESE-COPPER ALLOY IN THE FORM OF [ INGOTS, PLATES, RODS, ] WIRES [ , AND IN ANY OTHER FORM ] SUITABLE FOR MAKING ELECTRICAL RESISTORS

Goods & Services

Manganese alloys for manufacturing electric resistances, specifically in the form of ingots, plates, bars, yarns and threads, blades, strips, tubes, wire screens and lifting blades.