33results about "Zig-zag/sinusoidal resistive elements" patented technology

To improve stability of gauge characteristics in a strain gauge having a resistor formed on a substrate having flexibility.SOLUTION: A strain gauge has: a resin-made substrate having flexibility; a functional layer formed of metal, an alloy, or a compound of metal directly on one face of the substrate; a resistor having α-Cr as a main component and formed of a film including Cr, CrN, and Cr2N directly on one face of the functional layer; and an insulating resin layer covering the resistor. The functional layer has a function to promote crystal growth of the α-Cr and deposit a film having the α-Cr as a main component. The thickness of the resistor is 0.05 μm or more and 2 μm or less. The thickness of the functional layer is 1 nm or more and 100 nm or less. The coefficient of expansion of the substrate is within a range of 7 ppm / K to 20 ppm / K.SELECTED DRAWING: Figure 2

The resistor body of the chip resistor is provided with a resistance value adjusting part. A meandering forming portion is formed in the resistance value adjusting portion. In the meandering forming portion, the first trimming groove and the second trimming groove are arranged along a first direction (longitudinal direction). The first trimming groove has a first linear portion extending from a second edge of the resistance value adjusting portion along a second direction (short side direction). The second trimming groove has a second linear portion extending from the second edge of the resistance value adjusting portion in the second direction, and a bent portion extending from the tip of the second linear portion toward the first trimming groove.

A flexible conductive element (1) comprising at least one insulating layer (2) and at least one conductive track (4) fixed to the at least one insulating layer (2), wherein the conductive track (4) has a plurality of stretches (3), and wherein the adjacent stretches of said plurality of stretches (3) have a different orientation one another, and wherein said insulating layer (2) is made of a thermoplastic polymeric material; wherein said adjacent stretches (3) are joined with a radius of curvature greater than 0.5 mm.

A battery pack according to one embodiment of the present invention includes: a battery module in which a plurality of battery cells are mounted; and a discharge member electrically connected to the battery module, wherein the discharge member includes: a frame member having an open upper portion and containing coolant; a top cover for covering the upper portion of the frame member; and a resistor mounted in the frame member, wherein both ends of the resistor are exposed to the outside of the discharge member and electrically connected to the battery module.

To miniaturize a plane shape of a strain gauge having four resistance parts constituting a Wheatstone bridge circuit.SOLUTION: A strain gauge includes a resin flexible base material, and a resistor, wherein the resistor includes a first functional layer formed from metal, an alloy or a metallic compound directly on one surface of the base material, a first resistance part and a second resistance part which are formed from a film containing Cr, CrN and Cr2N and contain α-Cr as a main component, directly on one surface of the first functional layer, a second functional layer formed from metal, an alloy or a metallic compound directly on the other surface of the base material, and a third resistance part and a fourth resistance part which are formed from a film containing Cr, CrN and Cr2N and contain α-Cr as a main component, directly on one surface of the second functional layer, wherein the first functional layer and the second functional layer have a function for promoting crystal growth of α-Cr and film-forming the film containing α-Cr as a main component, and the first resistance part, the second resistance part, the third resistance part and the fourth resistance part constitute a Wheatstone bridge circuit.SELECTED DRAWING: Figure 3

The invention relates to a resistor (1), in particular a snubber shunt (1) for damping voltage spikes, with a resistive element (9) made of a resistive material, wherein the resistive element (9) has a meandering shape with at least one deflection region (12) with a deflection of the current flow direction. The invention provides that the resistive element (9) in the deflection region (12) consists at least partially of a conductor material (e.g., copper) that has a higher specific electrical conductivity than the resistive material, so that the current-carrying cross-section of the resistive element (9) in the deflection region (12) consists at least partially of the conductor material.

The utility model relates to the technical field of resistors, in particular to a column-type wire-wound resistor, which comprises a first disc body and a second disc body which are arranged in parallel at intervals, and a first support column is arranged between the first disc body and the second disc body; a plurality of insulated supporting plates are arranged on the opposite side portions of the first disc body and the second disc body in the circumferential direction at intervals. Each supporting plate is provided with a plurality of threading rings which are arranged at intervals in the length direction of the supporting plate. The flexible resistance wire alternately bypasses the threading rings of the supporting plates of the first disc body and the second disc body, the resistance wire is arranged in a plurality of wave shapes, and the plurality of wave shapes are distributed in the length direction of the supporting plates; and two adjacent wave crests are arranged in a staggered manner in the length direction of the supporting plate. Compared with the prior art, the heat dissipation effect is good, the two adjacent wave-shaped wave crests are arranged in the length direction of the supporting plate in a staggered mode, the mutual heating influence of the resistance wires is reduced through the inner and outer adjacent staggered mode, meanwhile, the inductance can be reduced, and even the non-inductance effect can be achieved.

Disclosed is a contact element (100), in particular a contact plate, comprising: - a first contact element side (100a) with a contact element contact section (100') which is designed to come into contact, directly or via an intermediate element for introducing heat into the contact element (100) by means of heat conduction, with a cooling element contact section (101') or with one or more heat-generating switching means (102) of an electrical resistor; - a second contact element side (100b) for transferring the heat to a coolant. Furthermore, a cooling element, a cooling circuit element and a coolable resistor are disclosed.

The present invention relates to a sensor element (1) for measuring temperature, comprising a carrier (2), a temperature-dependent resistor (10) arranged on a top surface (2a) of the carrier (2), and a shunt resistor (20) arranged on the top surface (2a) of the carrier (2), wherein the temperature-dependent resistor (10) comprises a first electrode (12), a second electrode (13), and a functional layer (11) made of a material with a temperature-dependent electrical resistance, wherein the first and second electrodes (12, 13) are thin-film electrodes, and the functional layer (11) is a thin film, wherein the shunt resistor (20) is electrically connected to at least one of the electrodes (12, 13) of the temperature-dependent resistor (10), and wherein the shunt resistor (20) is formed by a thin film. A further aspect relates to a method for manufacturing the sensor element.

The present invention relates to a load bank (1) comprising a support frame (12) and several load bank resistance modules (9) attached to the support frame (12). Each load bank resistance module (9) comprises an electrically non-conductive support plate (10) and several heating resistors designed as tubular heating elements (11), each with a heat dissipation tube (20) having straight tube sections (20a) and at least one curved tube section (20b). The tubular heating elements (11) are each attached to one of the electrically non-conductive support plates (10). The support frame (12) has a corresponding module opening (23) for each load bank resistance module (9), which is dimensioned such that the heat dissipation tubes (20) of a load bank resistance module (9) can pass through the module opening (23) and the support plate (10) of a load bank resistance module (9) overlaps the corresponding module opening (23).The load bank resistance modules (9) are each attached to the support frame (12) by means of the electrically non-conductive support plates (10) of the load bank resistance modules (9) being attached to the support frame (12), such that the support frame (12), together with the support plates (10), separates a heat dissipation area (13) from a contact area (14). The contact points (19) are arranged in the contact area (14). The straight pipe sections (20a) of the heat dissipation pipes (20) are arranged horizontally in the heat dissipation area (13) with respect to their longitudinal extent.

The invention discloses a contact element (100), in particular a contact plate, having: a first contact element side (100a) with a contact element contact portion (100') which is designed to come into contact, directly or via an intermediate element for introducing heat into the contact element (100) by means of heat conduction, with a cooling element contact portion (101') or with one or more heat-generating switching means (102) of an electrical resistor; and a second contact element side (100b) for dissipating the heat to a coolant. The invention also discloses a cooling element, a cooling circuit element and a coolable resistor.

The utility model discloses a protection device for an extra-high voltage flexible direct current power transmission system, and solves the problem that in a protection device for a power transmission system, a resistor element is easily affected by external force and damaged, or stress is generated in the resistor element to affect the resistance value, so that the large current deformation resistance and the high voltage electric field of the resistor element are not uniform. The device comprises a resistor combination structure and an inter-stack connection pipeline, wherein the resistor combination structure comprises a plurality of resistor boxes; the plurality of resistor boxes comprise a plurality of in-box resistor modules, each in-box resistor module comprises a plurality of resistor units, a plurality of U-shaped metal resistor bodies are connected in series in each resistor unit to form a continuously bent strip, the through-flow section of the resistor is large, the through-flow capacity of large current is improved, meanwhile, the process of punching a resistor disc is abandoned, the utilization rate of a resistor material is improved, and the cost is reduced. The production cost is reduced, the competitiveness of the product is improved, and meanwhile, the insulators are arranged between the resistor units, so that the attraction effect between the resistor units can be prevented.

A thin film resistor is provided, and a resistance layer of the thin film resistor is a patternized mesh. The mesh density of the mesh resistance layer increases from center to both ends of the film resistor. The temperature peak is shifted from the center to both ends of the film resistor. Therefore, the heat can be quickly dissipated via the electrodes.

Post-processing of electrically conductive tracks formed from a metal coating deposited by thermal spraying on an insulating surface. In order to compensate deviations in the resulting electrical resistance caused by variations in coating thickness or coating structure, the track width is adjusted after producing the track. The adjustment of the track width can be done on an adjustment section provided along a length of the conductive track or on the full track length.

The invention relates to a resistor (1), in particular a snubber shunt (1) for damping voltage peaks, comprising a resistor element (9) made of a resistor material, wherein the resistor element (9) has a meandering course with at least one deflection region (12) in which the current flow direction is deflected. According to the invention, the resistor element (9) consists, in the deflection region (12), at least partly of a conductor material (e.g. copper) which has a greater specific electrical conductivity than the resistor material such that the current-carrying cross-section of the resistor element (9) in the deflection region (12) consists at least partly of the conductor material.

A resistive grid includes a frame and at least one resistive element. The frame has a first frame end and a second frame end opposite the first frame end. The first frame end and the second frame end are joined by frame sides. The first frame end has a first length that is shorter than a second length of the second frame end. The at least one resistive element extends between the first frame end and the second frame end. The at least one resistive element has a first portion proximate the first frame end, and a second portion proximate the second frame end. The first portion is configured to have one or both of decreased heat generation or decreased electrical resistance relative to the second portion.

A battery pack includes a battery module in which a plurality of battery cells are mounted; and a discharge member electrically connected to the battery module, wherein the discharge member comprises a frame member having an open upper portion and containing a coolant, an upper cover for covering the upper portion of the frame member, and a resistor mounted in the frame member, and wherein both ends of the resistor are exposed to the outside of the discharge member, and are electrically connected to the battery module.

The utility model discloses a load resistor device. The load resistor device comprises an insulation support and a resistor rope. The insulating bracket comprises two panels which are arranged side by side at an interval; a plurality of rope penetrating holes through which the resistance rope can penetrate are formed in the panels; the resistance rope penetrates through the panel rope penetrating hole back and forth, the resistance rope comprises a heat-resisting main rope and a resistance wire, and the resistance wire is spirally wound on the heat-resisting main rope. When the load resistance box works, the resistance rope penetrates through the panel back and forth, heat is generated when the resistance rope works, the heat-resistant main rope is arranged to be of a main body structure, and the heat-resistant main rope can keep stable in size when the load resistance box works and is small in size change due to expansion caused by heat and contraction caused by cold by utilizing the heat-resistant performance of the heat-resistant main rope; after long-time use, good dimensional stability can be maintained, and short circuit between the resistance wires on the adjacent resistance ropes is avoided.

A plate (19) according to the invention comprises: - a first side (19e) which is coated with an electrically insulating layer (2), wherein an electrical conductor (17) is applied to or embedded in the electrically insulating layer (18); and - a second side (19z) on which elevations (15, 16) are provided. A coolable resistor (W) can be constructed from plate pairs (B) and from corresponding seals (C). It is compact and efficient and individual plate pairs can be easily exchanged.

PTC heating element (2) with two insulating layers (4) provided on one side with a metallic coating (6) and a PTC element (8) arranged between them, the PTC element (8) being provided on opposite main side faces with a metallization (10) which is electrically conductively connected to the coating (6) of one of the insulating layers (4), wherein the metallization (10) provided on one of the main side faces is assigned only to one potential for energizing the PTC element (8) and the metallization (10) provided on the other of the main side faces is assigned only to the other potential for energizing the PTC element (8), and wherein at least one of the insulating layers (4) forms a contact tongue (12) which projects beyond the PTC element (8), characterized by that the insulating layers (4) are bonded to the PTC element (8) and the coating (6) of the insulating layers (4) directly contacts the metallization (10) of the PTC element (8) in an electrically conductive manner, and that a frame segment (14) is pushed onto the insulating layers (4) which has retaining channels (16) for the contact tongue (12) or for a plug tongue element (30) contacted with the contact tongue (12).

The present invention relates to a shunt resistor and a method for manufacturing the shunt resistor. The present invention relates to a current detection device including a shunt resistor. The shunt resistor (1) comprises a resistance element (5) and a pair of electrodes (6, 7) connected to both ends (5a, 5b) of the resistance element (5) in a first direction. The shunt resistor (1) has a projecting portion (11) formed on a side surface (1a), which is parallel to the first direction, of the shunt resistor (1), and a recessed portion (12) formed in a side surface (1b), which is an opposite side of the side surface (1a), of the shunt resistor (1), and extending in the same direction as the projection (11). The projecting portion (11) has a portion of the resistance element (5) and portions of the pair of electrodes (6, 7), and the recessed portion (12) has a side surface (5d) of the resistance element (5) parallel to the first direction.

The present application relates to the technical field of resistance, in particular to an adjustable cylindrical winding resistor, comprising a first disc body and a second disc body arranged in parallel and separated, the opposite sides of the first disc body and the second disc body are respectively provided with a plurality of support plates, each support plate is provided with a plurality of threading rings arranged in parallel along the length direction of the support plate, the resistance wire is alternately wound around the threading rings of the support plates of the first disc body and the second disc body, and the resistance wire is arranged in a plurality of wave shapes, the peaks of two adjacent wave shapes are arranged in a staggered manner in the length direction of the support plate. Compared with the prior art, the peaks of two adjacent wave shapes are arranged in a staggered manner in the length direction of the support plate, the staggered manner of the adjacent inside and outside is realized to reduce the mutual heating influence of the resistance wire, and the inductance can be reduced, and even the inductance can be eliminated. Furthermore, the distance between the first disc body and the second disc body can be adjusted, on the one hand, the volume is reduced, and the transportation is facilitated, and on the other hand, the tension of the resistance wire is adjusted to avoid the resistance wire from being shaken and broken in the transportation process.

A sensor element for measuring a temperature has a carrier and at least one functional layer which has a material with a temperature-dependent electrical resistance. The functional layer is arranged on the carrier. The sensor element has at least two electrodes with electrode fingers and at least two contact pads for electrically contacting the sensor element. One contact pad is arranged directly on a partial area of one of the electrodes in each case. The sensor element is designed to be integrated into an electronic system as a discrete component. The sensor element has a narrow resistance tolerance. The functional layer and / or at least one of the at least two electrodes are structured to adjust the resistance value.

To provide a resistor capable of improving the heat dissipation property.SOLUTION: A resistor A10 includes a first insulator 11 having a first main surface 11A and a first back surface 11B, a resistor 20 disposed on the first main surface 11A, a second insulator 12 covering the resistor 20, a pair of electrodes 40 electrically connected to the resistor 20 on both sides in a first direction x, and a first covering body 30A stacked on the first back surface 11B. The first covering body 30A includes a first layer 31 having conductivity and in contact with the first back surface 11B. The resistor 20 includes a first end surface 20A facing one side in the first direction x. The first insulator 11 includes a third end surface 11C facing the same side as the first end surface 20A in the first direction x, and being flush with the first end surface 20A. Each of the pair of electrodes 40 has a side part 42 including a part extending in a thickness direction z. The side part 42 of any of the pair of electrodes 40 is in contact with the first end surface 20A and the third end surface 11C.SELECTED DRAWING: Figure 7

A resistor assembly for a motor drive circuit for an electric motor assembly can have a generally circular shape. The resistor assembly includes a resistor with input and output connectors and a pair of conductor elements extending from the input and output connectors. The pair of conductor elements extend adjacent each other along a curved serpentine path so the resistor has a generally circular outer perimeter and a generally circular inner perimeter. The curved serpentine path of the pair of conductor elements allows current to flow through the pair of conductor elements so that magnetic fields generated by the current flow through the pair of conductor elements cancel each other, thereby providing the resistor with low inductance.

A current detection device (30) is provided with a resistor (5) and a pair of electrodes (6, 7). The current detection device (30) includes a protruding portion (11). The protruding portion (11) includes a part of the resistor (5) and parts of the pair of electrodes (6, 7). The electrodes (6, 7) each has a first wall portion (66b, 67b) forming a part of the protruding portion (11), and a second wall portion (66a, 67a) forming a part of the protruding portion (11). The electrodes (6, 7) each have a detecting region (66, 67) defined by the first wall portion (66b, 67b), the second wall portion (66a, 67a), a start-end portion (66c, 67c), and a contact surface (6a, 7a). The electrodes (6, 7) each have a voltage detecting portion (20, 21) disposed in the detecting region (66, 67) with a gap from the start-end portion (66c, 67c).

A resistor includes a resistive element, an insulation plate, a protective film, and a pair of electrodes. The resistive element includes a first face and a second face arranged to face in opposite directions in a thickness direction. The insulation plate is on the first face, and the protective film on the second face. The electrodes are spaced apart in a first direction perpendicular to the thickness direction, and held in contact with the resistive element. Each electrode includes a bottom portion opposite to the insulation plate with respect to the resistive element in the thickness direction. Each bottom portion overlaps with a part of the protective film as viewed in the thickness direction. The resistor further includes a pair of intermediate layers spaced apart in the first direction. The intermediate layers are formed of a material electrically conductive and containing a synthetic resin. Each intermediate layer includes a cover portion covering a part of the protective film. The cover portion of each intermediate layer is disposed between the protective film and the bottom portion of one of the electrodes.

The utility model discloses a load resistor. The load resistor comprises a load assembly. The load assembly is arranged in the heat dissipation channel, the load assembly comprises a framework and a resistance tape, the framework is arranged in the heat dissipation channel, the resistance tape is wound on the framework, and at least part of the cross section of the resistance tape is provided with a bent part or a bent part. In the load assembly, the resistor belt is arranged, the contact area of the resistor and air is increased, the heat dissipation area is increased, and the heat dissipation effect is improved. The cross section of the resistance tape is bent or bent, so that the strength of the resistance tape is improved, when the resistance tape expands with heat and contracts with cold, the deformation of the resistance tape is avoided or reduced, the distortion and short circuit of the resistance tape are avoided or reduced, and the stable performance of the load resistor is kept.

To miniaturize a plane shape of a strain gauge having four resistance parts constituting a Wheatstone bridge circuit.SOLUTION: A strain gauge includes a resin flexible base material, and a resistor, wherein the resistor includes a first functional layer formed from metal, an alloy or a metallic compound directly on one surface of the base material, a first resistance part and a second resistance part which are formed from a film containing Cr, CrN and Cr2N and contain α-Cr as a main component, directly on one surface of the first functional layer, a second functional layer formed from metal, an alloy or a metallic compound directly on the other surface of the base material, and a third resistance part and a fourth resistance part which are formed from a film containing Cr, CrN and Cr2N and contain α-Cr as a main component, directly on one surface of the second functional layer, wherein the first functional layer and the second functional layer have a function for promoting crystal growth of α-Cr and film-forming the film containing α-Cr as a main component, and the first resistance part, the second resistance part, the third resistance part and the fourth resistance part constitute a Wheatstone bridge circuit.SELECTED DRAWING: Figure 3